CN112607877A - Booster pump fastening and pipeline connecting structure of water purifier with double-cavity structure - Google Patents

Abstract

The invention relates to the water treatment industry, in particular to the filtration of drinking water. The invention discloses a fastening and pipeline connecting structure of a booster pump of a water purifier with a double-cavity structure. The device comprises a filtering channel which is formed by a plurality of filter liners and a booster pump, wherein a water passing pipeline is connected in series with a preposed filter liner and a reverse osmosis membrane filter liner, and a concentrated water discharging pipeline of the reverse osmosis membrane filter liner is provided with a water returning pipeline with a concentrated water discharging and storing cavity and a water returning electric control valve and is connected with a water inlet pipeline of the booster pump; the double-channel double-layer U-shaped pipeline structure is characterized by also comprising a double-channel double-layer U-shaped pipeline structure, wherein a high-level assembly pipeline and a low-level assembly pipeline which are arranged in a vertically staggered manner are communicated through holes, and upward external water gaps are respectively arranged on the high-level assembly pipeline and the low-level assembly pipeline and are respectively communicated with a booster pump and a related and opposite water gap at the bottom of the filter liner cavity; the water inlet and the water outlet of the booster pump are respectively connected with a downward pipe inserting structure and a double-path double-layer U-shaped pipeline structure, and are respectively matched with the corresponding double-layer U-shaped pipeline in an inserting manner, and are respectively connected with a filter liner cavity base to be provided with a butt joint water port for butt joint of the rear end of the prepositive filter channel and the water inlet of the reverse osmosis membrane filter liner.

Description

Booster pump fastening and pipeline connecting structure of water purifier with double-cavity structure

Technical Field

The invention relates to the water treatment industry, in particular to the aspects of deep filtration and purification of drinking water.

Background

The double-cavity structure water purifier which is provided with the filter liner cavity for placing the filter liner and the facility cavity for placing the booster pump has the advantages that a user can replace the filter liner by himself and the maintenance is convenient, and particularly, the spatial structure between the wall of the filter liner cavity and the built-in filter liner can be utilized to store and discharge concentrated water so as to recycle the discharged concentrated water. However, since the upper operation surface and the central core position of the machine are used for setting the basic functions, in the limited space structure range of the machine size of about 500mm × 200mm × 460mm, the setting position around the booster pump, the connection fixed structure mode, the related pipeline connection, the booster pump circuit control, the pipeline and water storage structure setting of the concentrated water discharge recycling system and the fixed structure and pipeline connection of the related water-passing electric control component cause new problems in the setting and installation of the related water-passing electric control component and structure of the machine, especially the fastening and connection around the booster pump. The above-mentioned drawbacks and disadvantages make it difficult to widely popularize the water purifier.

Disclosure of Invention

The invention mainly solves the technical problem of providing a simple and practical structure for fastening a booster pump and connecting pipelines of a water purifier with a double-cavity structure, so as to overcome the defects and shortcomings.

A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; a filter liner cavity with an upward cavity opening and a butt joint water gap arranged on the base side by side and in sealed butt joint with a water gap of the built-in filter liner and a facility cavity with a downward cavity opening and a bracket structure arranged on the upper part form a double-cavity structure; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; the water inlet pipeline is communicated with the booster pump by controlling the water inlet electric control valve and the water return electric control valve to select one to conduct a corresponding water passing pipeline, and the water inlet pipeline is characterized by also comprising a high-level assembly pipeline and a low-level assembly pipeline which are arranged in an up-down staggered manner and communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of the base of the filter liner cavity, and the high-level assembly pipeline and the low-level assembly pipeline are respectively provided with an upward external water port which is respectively communicated with a water inlet and a water outlet of the booster pump and a two-way double-layer; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; a vertical booster pump is arranged in the bracket, and is connected and fixed with the bracket in an upright or inverted manner to form an integrated frame structure, and the integrated frame structure is hoisted and fixed below the bracket structure through a fastening standard part; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are respectively in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner.

The frame structure is provided with a screw support extending downwards; one end of the double-channel double-layer U-shaped pipeline structure is fixed on the lower end face of the filter liner cavity base through a screw, and the other end of the double-channel double-layer U-shaped pipeline structure transversely extends outwards and is suspended to form a whole through the screw and the screw support.

A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; a double-cavity structure is formed by a liner filtering cavity with an upward cavity opening and a butt joint water gap arranged on the base and hermetically butted with a water gap of the built-in liner filtering cavity and a facility cavity with a downward cavity opening; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; the water inlet pipeline is communicated with the booster pump by controlling the water inlet electric control valve and the water return electric control valve to select one to conduct a corresponding water passing pipeline, and the water inlet pipeline is characterized by also comprising a high-level assembly pipeline and a low-level assembly pipeline which are arranged in a vertically staggered manner and communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of the base of the filter liner cavity, and the high-level assembly pipeline and the low-level assembly pipeline are respectively provided with an upward external water port which is respectively communicated with a water inlet and a water outlet of the booster pump and a two-way double-layer U-; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner; the vertical booster pump is fixed, and is connected and fixed with the booster pump in an upright or inverted manner to form an integrated frame structure, and the booster pump is fixed on the double-path double-layer U-shaped pipeline structure through a fastening standard component.

The pump head damping piece, the mounting damping piece and the fastening damping piece are also included; the frame structure comprises an upper pressing structure provided with a fastening standard part matching structure and a lower pressing structure provided with a corresponding fastening standard part matching structure; the upper and lower pressing structures are respectively positioned at the upper and lower sides of a pump head part of the water inlet and outlet booster pump, and the pump head part is clamped and integrated through a fastening standard component; the pump head shock absorption piece is arranged between the upper pressing structure and the lower pressing structure and the pump head part respectively; the mounting damping piece is arranged between the upper pressing structure and the support structure or between the lower pressing structure and the double-path double-layer U-shaped pipeline structure; the fastening damping piece is arranged between the fastening standard piece and the support structure or between the fastening standard piece and the double-path double-layer U-shaped pipeline structure.

The double-cavity structure separates the facility cavity from the filter liner cavity in a partition mode connected with the filter liner cavity and the facility cavity or in a movable mode connected with the filter liner bin and the facility cavity, wherein the partition is formed by injection molding with the facility cavity and the filter liner cavity in a partition mode connected with the filter liner bin and the facility cavity; for the movable connection mode of the movable partition plate and the lower filter container cabin, a connection matching structure corresponding to the movable partition plate structure is arranged between the filter container cabin and the facility cavity; the movable partition board is connected and matched with the connecting and matching structure and seals the matching gap.

The water inlet end of the water pump is communicated with the lower part of the concentrated water discharging and storing cavity; the electric control device controls the concentrated water discharging pump arranged in a post-discharge branch pipeline arranged at the bottom of the concentrated water discharging water storage cavity to discharge concentrated water out of an external discharge water outlet and an external discharge hose; the mode that the drainage end of the concentrated water drainage pump is connected with the rear end of the front filtering channel, the rear end of the front filtering channel is also communicated with the water inlet end of a purified water outlet valve arranged additionally, and the rear section of a concentrated water drainage pipeline arranged behind the concentrated water drainage flow control device is respectively provided with a drainage branch pipeline and a water return branch pipeline: the discharge branch pipeline is connected with an external discharge water outlet and an external discharge hose through an additional discharge electric control valve; the backwater branch pipeline is connected with a water inlet pipeline of the booster pump sequentially through an additionally-connected water inlet cavity electric control valve, a concentrated water discharging water storage cavity and a backwater electric control valve, and the electric control device controls the concentrated water discharging pump to operate to pump water on the premise that the water inlet electric control valve is closed, or the water is discharged through a communicated purified water outlet valve, or the water is communicated through a front water replacement electric control valve additionally arranged between the rear end of the front filtering channel and the discharge branch pipeline and then discharged through an external water discharge port and an external discharge hose.

The movable plate pipeline structure is respectively connected with a water outlet of the concentrated water discharging and storing cavity and a water inlet pipeline of the booster pump and is connected with the backwater electric control valve or the concentrated water discharging pump or the backwater electric control valve and the concentrated water discharging pump in series; the movable plate pipeline structure is provided with a butt-joint assembly pipeline with four upward water gaps or an L-shaped plugboard structure with a transverse pipeline butt-joint structure, wherein the butt-joint assembly pipeline is formed by butt-joint matching of a front-section pipeline open groove and a rear-section pipeline open groove with a cover plate and a pipeline sealing element arranged around the front-section pipeline open groove and the rear-section pipeline open groove and is connected through screws, is provided with a front-section pipeline and a rear-section pipeline and is provided with four upward water gaps, is fixed on the lower end surface of the bottom of a concentrated water discharge water storage cavity, a water inlet of the front-section pipeline of the butt-joint assembly pipeline is communicated with a water outlet at the bottom of the concentrated water discharge water storage cavity, a water outlet of the butt-joint assembly pipeline and a water inlet of the rear-section pipeline are in sealing butt joint with a water return electric control valve or a concentrated water discharge; for the L-shaped inserting plate structure, the filter liner cavity is provided with a corresponding connecting and matching structure, and the connecting and matching structure is positioned at the lower part of the partition plate or on the side wall between the filter liner cavity and the facility cavity; the L-shaped inserting plate structure is in contact fit with the connecting and matching structure and is connected with the connecting and matching structure to form a whole and a sealing fit clearance, and a water inlet and a water outlet of a water passing electric control part of one of a water return electric control valve or a concentrated water discharging pump or the water return electric control valve and the concentrated water discharging pump which are fixed on a bottom plate of the L-shaped inserting plate structure are respectively in sealing butt joint with a transverse pipeline butt joint structure and a booster pump water inlet pipeline which are used as water outlets of a concentrated water discharging and.

The movable plate pipeline structure and the double-path double-layer U-shaped pipeline structure are connected and fixed on the lower end face of the filter chamber base through screws. Preferred modes: the movable plate pipeline structure is arranged between the two double-layer U-shaped pipelines of the double-layer U-shaped pipeline structure.

The backwater electric control valve or the concentrated water discharge pump or the backwater electric control valve and the concentrated water discharge pump are arranged below the frame structure and the booster pump.

The double-path double-layer U-shaped pipeline structure is in a middle cover plate mode or in a middle pipeline open groove mode, wherein in the middle cover plate mode, an upward low-position pipeline open groove is arranged, the lower end face of a middle cover plate and a low-position pipeline sealing element arranged around the low-position pipeline open groove are in butt joint matching and are connected through screws to form a low-position assembled pipeline, the front end of the middle cover plate is provided with an upward pipe insertion matching structure, the downward pipe insertion structure connected with a water port related to a booster pump is in plug joint matching and is sealed by the sealing element to form a matching gap, the lower end face of a base of a filter liner cavity is provided with a high-position pipeline open groove communicated with the related butt joint water port and is downward, the front end of the high-position pipeline open groove is in butt joint with a vertical through hole arranged on the cover plate and is in butt joint matching with the upper end face of the middle cover plate, the double-channel double-layer U-shaped pipeline structure is formed by connecting the water inlet and the water outlet of the booster pump with the rear end of a front filtering channel arranged on a filter liner cavity base and a butt water inlet of a sealed butt reverse osmosis membrane filter liner, and is fixed on the lower end face of the filter liner cavity base through screws; for the middle pipeline open channel mode, the middle pipeline open channel is an H-shaped pipeline open channel or a U-shaped pipeline open channel or an n-shaped pipeline open channel, wherein for the H-shaped pipeline open channel, an upward high-position pipeline open channel is arranged on the H-shaped pipeline open channel, the lower end face of a filter liner cavity base provided with a butt joint water gap and a high-position pipeline sealing element arranged around the high-position pipeline open channel are in butt joint fit and connected through screws to form a high-position assembled pipeline, a downward low-position pipeline open channel arranged on the H-shaped pipeline open channel is in contact fit with the upper end face of an additionally arranged lower cover plate, a low-position pipeline sealing element arranged around the low-position pipeline open channel is in butt joint fit and connected through screws to form a low-position assembled pipeline; for the U-shaped pipeline open channel, an upward high-position pipeline open channel is arranged on the U-shaped pipeline open channel, the lower end face of a filter chamber base provided with a butt joint water gap and a high-position pipeline sealing element arranged around the high-position pipeline open channel are in butt joint fit and are connected through screws to form a high-position assembled pipeline, and an upward low-position pipeline open channel is in butt joint fit with the lower end face of the U-shaped pipeline open channel and a low-position pipeline sealing element arranged around the low-position pipeline open channel and is connected through screws to form a low-position assembled pipeline; for the n-type pipeline open groove, a high-position pipeline open groove communicated with a relevant butt joint water gap and downward and a high-position pipeline sealing element arranged around the high-position pipeline open groove are arranged on the lower end face of the filter chamber base, the high-position pipeline open groove is jointed and matched with the upper end face of the n-type pipeline open groove and is connected through screws to form a high-position assembled pipeline, and the n-type pipeline open groove and a low-position pipeline sealing element arranged around the n-type pipeline open groove are jointed and matched with the upper end face of the lower cover plate and are connected through screws to form a low-position assembled pipeline; this pipeline is assembled to low level communicates the high-order pipeline of assembling through the vertical through-hole that the rear end set up, and the low level is assembled the pipeline front end and is set up ascending intubate cooperation structure, it connects decurrent intubate structure correspondence grafting cooperation and with the sealed fit clearance of sealing member with the relevant mouth of a river of booster pump, it advances to constitute and connect the booster pump, the delivery port respectively with filter the double-deck U type pipeline structure of the butt joint mouth of a river of leading filtration passageway rear end and the sealed butt joint reverse osmosis membrane filter courage water inlet that the filter courage chamber base set up, and fix double-deck U type pipeline structure of double-circuit on filter courage chamber base terminal surface down.

Compared with the waterway switching device of the existing water purifier, the waterway switching device of the invention has the following advantages: the structural mode of hoisting the booster pump and arranging the water return electric control valve at the lower part is adopted to overcome the defects of insufficient space for arranging the parts of the lower filter liner bin, complex pipeline arrangement and the problem that the installation of the water passing electric control part represented by the booster pump is difficult to load and unload by a user due to the pipeline involvement, and the lower limit of the water level of the concentrated water discharged in the concentrated water discharge cavity can be controlled at will. On the premise that the water purifier meets the requirements of machine miniaturization, concise and attractive appearance structure and simple and convenient manufacture, the booster pump is simple and convenient to arrange and connect the fixed structure, the related water passing electric control components and the structure are simple and convenient to arrange and connect pipelines, and all the water passing electric control components including the booster pump can be automatically disassembled and replaced by a user under the 'abnormity' prompt of a display window, so that the dilemma that the water purifier is always kept from an after-sale maintenance service network as a semi-finished product is eliminated.

Drawings

FIG. 1 is a schematic diagram of a two-way double-layer U-shaped pipeline structure adopting a mode of arranging an intermediate cover plate.

FIG. 2 is a schematic diagram of a two-way double-layer U-shaped pipeline structure adopting a middle pipeline open channel mode with an H-shaped pipeline open channel.

FIG. 3 is a schematic structural diagram of a two-way double-layer U-shaped pipeline adopting a middle pipeline open channel mode with U-shaped pipeline open channels.

FIG. 4 is a schematic structural view of a two-way double-layer U-shaped pipeline in a mode of arranging an intermediate pipeline open channel with n-shaped pipeline open channels.

Detailed Description

Example 1. A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; a filter liner cavity with an upward cavity opening and a butt joint water gap arranged on the base side by side and in sealed butt joint with a water gap of the built-in filter liner and a facility cavity with a downward cavity opening and a bracket structure arranged on the upper part form a double-cavity structure; the electric control device controls the water inlet electric control valve and the water return electric control valve to select one to conduct water to enter a water inlet pipeline of the booster pump.

The booster pump fastening and pipeline connecting structure also comprises a double-path double-layer U-shaped pipeline structure, wherein a high-level assembly pipeline and a low-level assembly pipeline which are arranged in a vertically staggered manner are communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of a base of the filter liner cavity, and upward external water ports are respectively arranged on the high-level assembly pipeline and the low-level assembly pipeline and are respectively communicated with a booster pump water inlet, a booster pump water outlet and a relevant water port at the bottom of the filter liner cavity; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; a vertical booster pump is arranged in the bracket, and is connected and fixed with the bracket in an upright or inverted manner to form an integrated frame structure, and the integrated frame structure is hoisted and fixed below the bracket structure through a fastening standard part; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are respectively in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner.

Example 2. On the basis of the embodiment 1, the frame structure is provided with a screw support extending downwards; one end of the double-channel double-layer U-shaped pipeline structure is fixed on the lower end face of the filter liner cavity base through a screw, and the other end of the double-channel double-layer U-shaped pipeline structure transversely extends outwards and is suspended to form a whole through the screw and the screw support.

As an improvement, the frame structure is provided with a screw support extending downwards. The front end of a double-path double-layer U-shaped pipeline structure which transversely extends outwards and is suspended is connected with the screw support through screws to form a whole, so that the inserting and connecting cooperation of an upward inserting pipe matching structure at the front end of the double-path double-layer U-shaped pipeline structure and a related water gap of a booster pump connected with a downward inserting pipe structure has stable working conditions, and the double-path double-layer U-shaped pipeline structure can bear higher water pressure in a pipe and is not influenced by the mounting and dismounting of a cavity cover of a facility cavity. After the cavity cover is detached, the backwater electric control valve, the concentrated water discharging pump, the booster pump and related pipelines can be assembled and disassembled.

Example 3. A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; a filter liner cavity with an upward cavity opening and a butt joint water gap arranged on the base side by side and in sealed butt joint with a water gap of the built-in filter liner and a facility cavity with a downward cavity opening and a bracket structure arranged on the upper part form a double-cavity structure; the electric control device controls the water inlet electric control valve and the water return electric control valve to select one to conduct water to enter a water inlet pipeline of the booster pump.

The booster pump fastening and pipeline connecting structure also comprises a double-path double-layer U-shaped pipeline structure, wherein a high-level assembly pipeline and a low-level assembly pipeline which are arranged in a vertically staggered manner are communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of a base of the filter liner cavity, and upward external water ports are respectively arranged on the high-level assembly pipeline and the low-level assembly pipeline and are respectively communicated with a booster pump water inlet, a booster pump water outlet and a relevant water port at the bottom of the filter liner cavity; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner; the vertical booster pump is fixed, and is connected and fixed with the booster pump in an upright or inverted manner to form an integrated frame structure, and the booster pump is fixed on the double-path double-layer U-shaped pipeline structure through a fastening standard component.

As an improvement, the device also comprises a cavity cover; the chamber cover is respectively connected with the filter liner chamber base and the double-path double-layer U-shaped pipeline structure into a whole through screws.

In embodiments 1, 2, and 3, one of the two-way double-layer U-shaped pipeline structures is used to connect the rear end of the pre-filter channel and the water inlet of the booster pump, and the other is used to connect the water outlet of the booster pump and the rear end of the pre-filter channel and the water inlet of the booster pump

The concentrated water discharging water storage cavity can adopt a structural mode that a water storage space structure for storing and discharging concentrated water is arranged between the wall of the filter liner cavity and the built-in filter liner, the outer side of the filter liner shell is contacted with the discharged concentrated water, a cylinder body which is arranged around the filter liner and serves as an inner wall can also be adopted, a structural mode that a water storage space structure for storing and discharging concentrated water is arranged between the cylinder body and the wall of the filter liner cavity, and the outer circumferential surface of the filter liner shell positioned on the inner side of the cylinder body is not contacted with the discharged concentrated water. In addition, each cylinder body arranged around each filter container can be changed into a combined cylinder body which is arranged around the periphery of each filter container and is used as an inner wall. A structural mode of a water storage space structure for storing and discharging concentrated water is arranged between the combined cylinder and the wall of the filter liner, and the outer circumferential surface of the filter liner shell positioned on the inner side of the combined cylinder is not contacted with the concentrated water.

In the present case, concentrated water storage chamber of row contain above-mentioned three kinds of water storage spatial structure modes, adopt the concentrated water storage chamber of row of above-mentioned three kinds of water storage spatial structure modes promptly all to belong to "the filter chamber set up concentrated water storage chamber of row: and a water storage space structure for storing and discharging concentrated water is arranged between the wall of the filter liner and the built-in filter liner.

As an improvement, the backwater electric control valve is arranged in the facility cavity.

Example 4. On the basis of embodiments 1, 2 and 3, the device further comprises a pump head damping piece, a mounting damping piece and a fastening damping piece; the frame structure comprises an upper pressing structure provided with a fastening standard part matching structure and a lower pressing structure provided with a corresponding fastening standard part matching structure; the upper and lower pressing structures are respectively positioned at the upper and lower sides of a pump head part of the water inlet and outlet booster pump, and the pump head part is clamped and integrated through a fastening standard component; the pump head shock absorption piece is arranged between the upper pressing structure and the lower pressing structure and the pump head part respectively; the mounting damping piece is arranged between the upper pressing structure and the support structure or between the lower pressing structure and the double-path double-layer U-shaped pipeline structure; the fastening damping piece is arranged between the fastening standard piece and the support structure or between the fastening standard piece and the double-path double-layer U-shaped pipeline structure.

As an improvement, an adapter ring structure is also arranged; the adapting ring structure is provided with a closed ring corresponding to the radial size of the pump body, and a fastening standard part matching through hole structure corresponding to the upper and lower pressing structures, and is arranged between a pump head part of the booster pump and the lower pressing structure (vertically arranged corresponding to the booster pump) or between the pump head part of the booster pump and the upper pressing structure (vertically inverted corresponding to the booster pump), and the pump head part and the adapting ring structure, the upper and lower pressing structures are clamped and integrated through the fastening standard part.

The frame structure mainly clamps and fixes the pump head part of the booster pump into a whole through an upper pressing and a lower pressing and fastening standard component.

Generally, the radial dimensions of pump head parts of booster pumps of different brands do not vary much, mainly the axial structure and dimensions, and the radial and axial dimensions of pump body parts vary much. The radial chi of different brand pump head parts is pressed down and fastening standard component clamp tightly fixed influence is little (each fastening standard component interval is great does not influence and places the pump head part), and the pump body part radial dimension of different brand pumps is great to the stability influence of fixed booster pump, consequently can prevent the booster pump swing through the adaptation ring structure of configuration area closed ring.

On the basis, for the booster pumps of different brands with different radial sizes of the pump body part, the booster pumps can be clamped and fixed by replacing the adapter ring structure with the corresponding closed ring, and the closed ring with larger size can be configured with different rubber rings corresponding to the booster pumps with different radial sizes of the pump body part. At this time, the rubber ring has a shock absorption function. In addition, a suitable adapter ring structure can also be obtained at the time of manufacture by replacing the corresponding closed ring mould parts.

In the present case, both can regard as the adapter ring structure as a part of last pressure structure (corresponding to booster pump vertical inversion), also can regard as the adapter ring structure as a part of pushing down the structure (corresponding to booster pump vertical upright), and last pressure structure or pushing down the structure and can adopt the integrated configuration of configuration adapter ring structure promptly.

To the frame construction that sets up the adaptation ring structure, no matter vertical booster pump is just putting or is invertd, pump head damper both can set up in adaptation ring structure top, also can set up in adaptation ring structure below.

As an improvement, the installation shock absorbing piece and the fastening shock absorbing piece can be arranged in a connecting mode (a shock absorbing structure can be arranged around the fastening standard piece).

As a further improvement, the three shock absorbing members can be provided with a shock absorbing structure around the fastening standard member, and the circumference surface of the fastening standard member is limited to be in contact with the downward pressing structure or the upward pressing structure or the support structure.

As a further improvement, the fastening standard is provided with a washer to increase the contact area.

Example 5. On the basis of the embodiments 1, 2, 3 and 4, the double-cavity structure separates the facility cavity from the filter liner cavity in a partition mode connected with the filter liner cavity and the facility cavity or in a movable connection mode of a movable partition and the filter liner bin as well as the facility cavity, wherein for the partition mode connected with the filter liner bin and the facility cavity, the partition is injection-molded with the facility cavity and the filter liner cavity in a connected mode; for the movable connection mode of the movable partition plate and the lower filter container cabin, a connection matching structure corresponding to the movable partition plate structure is arranged between the filter container cabin and the facility cavity; the movable partition board is connected and matched with the connecting and matching structure and seals the matching gap.

Example 6. On the basis of the embodiment 5, the device also comprises a concentrated water discharging pump with a water inlet end communicated with the lower part of the concentrated water discharging and storing cavity; the electric control device controls the concentrated water discharging pump arranged in a post-discharge branch pipeline arranged at the bottom of the concentrated water discharging water storage cavity to discharge concentrated water out of an external discharge water outlet and an external discharge hose; the mode that the drainage end of the concentrated water drainage pump is connected with the rear end of the front filtering channel, the rear end of the front filtering channel is also communicated with the water inlet end of a purified water outlet valve arranged additionally, and the rear section of a concentrated water drainage pipeline arranged behind the concentrated water drainage flow control device is respectively provided with a drainage branch pipeline and a water return branch pipeline: the discharge branch pipeline is connected with an external discharge water outlet and an external discharge hose through an additional discharge electric control valve; the backwater branch pipeline is connected with a water inlet pipeline of the booster pump sequentially through an additionally-connected water inlet cavity electric control valve, a concentrated water discharging water storage cavity and a backwater electric control valve, and the electric control device controls the concentrated water discharging pump to operate to pump water on the premise that the water inlet electric control valve is closed, or the water is discharged through a communicated purified water outlet valve, or the water is communicated through a front water replacement electric control valve additionally arranged between the rear end of the front filtering channel and the discharge branch pipeline and then discharged through an external water discharge port and an external discharge hose.

Example 7. On the basis of the embodiment 6, the device also comprises a movable plate pipeline structure which is respectively connected with the water outlet of the concentrated water discharging storage cavity and the water inlet pipeline of the booster pump and is connected with the water return electric control valve or the concentrated water discharging pump or the water return electric control valve and the concentrated water discharging pump in series; this fly leaf pipeline structure or the butt joint that sets up four ascending mouths of a river assemble the pipeline or set up horizontal pipeline butt joint structure's L type picture peg structure, wherein:

for the butt-joint assembly pipeline, the pipeline sealing elements which are arranged through the front and rear pipeline open grooves, the cover plate and the surrounding front and rear pipeline open grooves are in butt-joint fit and connected through screws to form the butt-joint assembly pipeline which is provided with the front and rear pipelines and is provided with four upward water gaps, and the butt-joint assembly pipeline is fixed on the lower end surface of the bottom of the concentrated water discharge storage cavity, a front pipeline water inlet of the butt-joint assembly pipeline is communicated with a water outlet at the bottom of the concentrated water discharge storage cavity, a water outlet of the butt-joint assembly pipeline is in sealing butt joint with a water return electric control valve or a concentrated water discharge pump or a water return electric control valve and a concentrated water discharge pump (in parallel connection) with a water inlet of the rear pipeline, and a water outlet of. The mode of butt-jointed pipeline assembly is preferably set.

For the L-shaped inserting plate structure, the lower filter container cabin is provided with a corresponding connecting and matching structure, and the connecting and matching structure is positioned at the lower part of the partition plate or on the side wall of the lower filter container cabin; the L-shaped inserting plate structure is in contact fit with the connecting and matching structure and is connected with the connecting and matching structure to form a whole and a sealing fit clearance, and a water inlet and a water outlet of a water passing electric control part of one of a water return electric control valve or a concentrated water discharging pump or the water return electric control valve and the concentrated water discharging pump which are fixed on a bottom plate of the L-shaped inserting plate structure are respectively in sealing butt joint with a transverse pipeline butt joint structure and a booster pump water inlet pipeline which are used as water outlets of a concentrated water discharging and.

Similarly, the water inlet and the water outlet of the concentrated water discharging pump fixed on the bottom plate of the L-shaped inserting plate structure or the backwater electric control valve and the concentrated water discharging pump which are connected in parallel can also be respectively in sealed butt joint with a transverse pipeline butt joint structure serving as the water outlet of the concentrated water discharging and storing cavity and the water inlet pipeline of the booster pump.

The butt joint assembly pipeline or the L-shaped inserting plate structure can be directly fixed on the lower end face of the lower filter container cabin, particularly the bottom of the filter container cavity, through the screws to prevent the butt joint assembly pipeline or the L-shaped inserting plate structure from moving, the cavity cover can be in contact fit with the butt joint assembly pipeline or the L-shaped inserting plate structure, and the cavity cover is fixed on the lower end face of the lower filter container cabin, particularly the bottom of the filter container cavity, to indirectly prevent the butt joint assembly pipeline or the L-shaped inserting plate structure from moving.

As an improvement, the frame structure, particularly the pressing structure, is provided with a screw support extending downwards. The butt joint assembly pipeline or the L-shaped inserting plate structure which transversely extends outwards and is suspended is connected with the screw support through the screw, so that the stability of the inserting pipe matching structure and the inserting pipe structure in inserting and matching is ensured.

In view of the fact that the pressure difference of the discharged concentrated water in the concentrated water storage cavity formed by the filter liner cavity is small, the sealing mode of the fit clearance between the movable inserting plate structure and the connection fit structure can adopt a mode of connecting and matching a fastening standard part and setting a sealing part, can also adopt a mode of inserting and sealing the inserting plate sealing part, can also adopt a mode of connecting and matching two structures in a connection fit manner and setting interference fit tightness for structural connection and sealing, and prevents the water storage cavity from leaking water.

Example 8. On the basis of embodiment 7, the movable plate pipeline structure and the two-way double-layer U-shaped pipeline structure are connected to form a corresponding connected structure, and are fixed on the lower end face of the filter chamber base through screws.

When the movable plate pipeline structure in the connected structure adopts an L-shaped inserting plate structure, the connecting and matching structure is positioned at the lower part of the partition plate between the filter chamber and the facility chamber.

Example 9. On the basis of the embodiments 6, 7 and 8, the backwater electric control valve or the concentrated water discharge pump or the backwater electric control valve and the concentrated water discharge pump are arranged below the frame structure and the booster pump.

The lower filter liner bin is used for controlling the condition that a backwater electric control valve or a concentrated water discharge pump or the backwater electric control valve and the concentrated water discharge pump are arranged below a frame structure and a booster pump to be used as core elements to set the frame structure in a facility cavity and the space height between the lower end of the booster pump and the bottom of the bin, and then the space height serves as the design basis of the facility cavity. The water passing electric control part and the related pipeline layout mode are designed to reserve a space below the booster pump, and the loading and unloading of the booster pump are not influenced by the restriction that a water inlet of the booster pump is connected with a water inlet pipeline.

Generally, 5-6 filter liners are required to be placed in the filter liner cavities, and certain water storage amount is required to be set for the machine type of the concentrated water discharging water storage cavity, so that the size of the facility cavity along the length direction of the machine is smaller than 130 mm, and the booster pump is only enough to be placed, and the water inlet and the water outlet of the booster pump are only arranged along the width direction of the machine, and a water return electric control valve, a concentrated water discharging pump and related connecting pipelines are difficult to arrange. In addition, for the lower filter chamber with the upright filter chamber and the inverted filter chamber, the bottom of the chamber wall of the connected injection molded facility chamber is difficult to be provided with a fixing structure for fixing a bottom cover, so that the structure of the lower filter chamber is complex, the manufacturing efficiency is low, the booster pump is difficult to assemble and connect with the booster pump when being fixed on the bottom cover, the mounting positions of a water return electric control valve and a concentrated water discharge pump are lacked, and the lower limit of the concentrated water discharge level in the concentrated water discharge chamber is difficult to control.

Example 10. Embodiment 10 is the most preferred embodiment. As described in connection with figures 1-4. On the basis of the embodiments 6, 7, 8 and 9, the two-way double-layer U-shaped pipeline structure is in an intermediate cover plate mode or an intermediate pipeline open channel mode, wherein:

for the middle cover plate mode, in the attached figure 1, an upward low-level pipeline open groove 3, a lower end face of a middle cover plate 2 and a low-level pipeline sealing element 4 arranged around the low-level pipeline open groove are butted and matched to form a low-level assembled pipeline 9a through screw connection, an upward pipe inserting matching structure 8 is arranged at the front end of the middle cover plate 2, a downward pipe inserting structure is connected with a water port related to a booster pump in an inserting and matching mode, a sealing element is used for sealing and matching gaps, a downward high-level pipeline open groove 1a communicated with a related butt water port 6 is arranged at the lower end face of a filter liner cavity base 1, the front end of the filter liner cavity base is butted with a vertical through hole 7 arranged on the cover plate and is butted and matched with an upper end face of the middle cover plate 2 and a high-level pipeline sealing element 5 arranged around the high-level pipeline open groove, a high-level assembled pipeline 9b is formed through screw connection and communicated with the low-level assembled pipeline 9a, and a rear end of a front filtering The two-way double-layer U-shaped pipeline structure of the butt joint water gap (both not shown) of the port is fixed on the lower end face of the filter liner cavity base 1 through screws.

For the intermediate pipeline open channel mode, the intermediate pipeline open channel is either an H-shaped pipeline open channel or a U-shaped pipeline open channel or an n-shaped pipeline open channel, wherein:

for an H-shaped pipeline open channel, in fig. 2, an upward high-position pipeline open channel is arranged in the H-shaped pipeline open channel 2a, a lower end face 1b of a filter chamber base 1 provided with a butt joint water gap 6 and a high-position pipeline sealing element 5 arranged around the high-position pipeline open channel are in butt joint and are connected through screws to form a high-position assembled pipeline 9b, a downward low-position pipeline open channel is arranged in the H-shaped pipeline open channel 2a, is in contact fit with an upper end face of an additionally arranged lower cover plate 3a, is in butt joint and is connected through screws to form a low-position assembled pipeline 9a, and a low-position pipeline sealing element 4 arranged around the low-position pipeline open channel is in butt joint and. This pipeline 9a is assembled to low level communicates high-order pipeline 9b of assembling through the vertical through-hole 7 that the rear end set up, and pipeline 9a front end is assembled to the low level sets up ascending intubate cooperation structure 8, connect decurrent intubate structural correspondence with the relevant mouth of a river of booster pump and peg graft the cooperation and with the sealed fit clearance of sealing member, it advances to constitute and connect the booster pump, the delivery port respectively with the leading filtration passageway rear end of straining courage chamber base setting and the double-circuit double-deck U type pipeline structure at the butt joint mouth of a river of sealed butt joint reverse osmosis membrane filter courage water inlet, and fix double-circuit double-deck U type pipeline structure on straining courage chamber base 1 lower terminal surface through.

For the U-shaped pipeline open channel, in fig. 3, the U-shaped pipeline open channel 2b is provided with an upward high-level pipeline open channel, and is in butt fit with the lower end face of the liner filter chamber base 1 provided with the butt joint water gap 6 and a high-level pipeline sealing member 5 arranged around the high-level pipeline open channel and is connected by screws to form a high-level assembled pipeline 9b, and the upward low-level pipeline open channel 3 is in butt fit with the lower end face of the U-shaped pipeline open channel 2b and a low-level pipeline sealing member 4 arranged around the low-level pipeline open channel 3 and is connected by screws to form a low-level assembled pipeline 9 a. This pipeline 9a is assembled to low level communicates high-order pipeline 9b of assembling through the vertical through-hole 7 that the rear end set up, and pipeline 9a front end is assembled to the low level sets up ascending intubate cooperation structure 8, connect decurrent intubate structural correspondence with the relevant mouth of a river of booster pump and peg graft the cooperation and with the sealed fit clearance of sealing member, it advances to constitute and connect the booster pump, the delivery port respectively with the leading filtration passageway rear end of straining courage chamber base setting and the double-circuit double-deck U type pipeline structure at the butt joint mouth of a river of sealed butt joint reverse osmosis membrane filter courage water inlet, and fix double-circuit double-deck U type pipeline structure on straining courage chamber base 1 lower terminal surface through.

For an n-type pipeline open channel, in fig. 4, a high-level pipeline open channel 1a communicated with a relevant butt joint water gap 6 and downward and a high-level pipeline sealing element 5 arranged around the high-level pipeline open channel 1a are arranged on the lower end face of a filter chamber base 1, the high-level pipeline open channel is in joint fit with the upper end face of an n-type pipeline open channel 2c and is connected through screws to form a high-level assembled pipeline 9b, and the n-type pipeline open channel 2c and a low-level pipeline sealing element 4 arranged around the n-type pipeline open channel 2c are in joint fit with the upper end face of a lower cover plate 3a and are connected through screws to form a low-level assembled pipeline 9 a; this pipeline 9a is assembled to low level communicates high level through the vertical through-hole 7 that the rear end set up and assembles pipeline 9b, and the pipeline 9a front end is assembled to the low level sets up ascending intubate cooperation structure 8, it is connected decurrent intubate structural correspondence grafting cooperation and with the sealed fit clearance of sealing member with the relevant mouth of a river of booster pump, constitute and connect the booster pump and advance, the delivery port respectively with the leading filtration passageway rear end of straining courage chamber base setting and the double-circuit double-deck U type pipeline structure at the butt joint mouth of a river of sealed butt joint reverse osmosis membrane filter courage water inlet, and fix double-circuit double-deck U type pipeline structure on filter courage chamber base lower extreme face through the screw

In the present case, advance with the booster pump, the delivery port is arranged in two butt joint mouths of leading filtration passageway rear end and the reverse osmosis membrane filter core water inlet of filter core chamber base through double-circuit double-deck U type pipeline connection, no matter double-circuit double-deck U type pipeline adopts "middle apron mode", or "middle pipeline open groove mode", all possess on, pipeline 9b is assembled with the low level of dislocation set's high level and pipeline 9a is assembled through vertical through-hole 7 intercommunication down, set up high level pipeline sealing member 5 around two above-mentioned butt joint mouths of terminal surface under the filter core chamber base 1, and high, pipeline 9b is assembled to the low level, 9a respectively sets up four ascending external mouths of a river, communicate the booster pump respectively and advance, the delivery port is with the characteristics of two butt joint mouths of a river of butt joint leading filtration passageway rear end and reverse osmosis membrane filter core.

The nanofiltration membrane filter liner belongs to a branch of the reverse osmosis membrane filter liner. In the scheme, the reverse osmosis membrane filter liner can be a reverse osmosis membrane filter liner or a nanofiltration membrane filter liner. In the above embodiments, the reverse osmosis membrane filter cartridge may be a single reverse osmosis membrane filter cartridge, or may be a combination of two reverse osmosis membrane filter cartridges. As the combination of two reverse osmosis membrane filter liners, the combination can be a parallel combination of two reverse osmosis membrane filter liners, and can also be a one-stage two-section type connection combination: the concentrated water discharging end of the previous reverse osmosis membrane filter liner is connected with the water inlet end of the next reverse osmosis membrane filter liner; the water outlet end of the previous reverse osmosis membrane filter container is connected with the water outlet end of the next reverse osmosis membrane filter container; the concentrated water discharging end of the back reverse osmosis membrane filter liner is connected with a concentrated water discharging pipeline provided with a concentrated water discharging flow control device.

In the present case, no matter how the water inlet and the water outlet of the preposed filter liner are arranged, the rear end of the preposed filter channel is arranged on the base of the filter liner cavity. The waterway modes are all the prior art. The description will not be repeated.

Claims (10)

1. A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; a filter liner cavity with an upward cavity opening and a butt joint water gap arranged on the base side by side and in sealed butt joint with a water gap of the built-in filter liner and a facility cavity with a downward cavity opening and a bracket structure arranged on the upper part form a double-cavity structure; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; the water inlet pipeline is communicated with the booster pump by controlling the water inlet electric control valve and the water return electric control valve to select one to conduct a corresponding water passing pipeline, and the water inlet pipeline is characterized by also comprising a high-level assembly pipeline and a low-level assembly pipeline which are arranged in an up-down staggered manner and communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of the base of the filter liner cavity, and the high-level assembly pipeline and the low-level assembly pipeline are respectively provided with an upward external water port which is respectively communicated with a water inlet and a water outlet of the booster pump and a two-way double-layer; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; a vertical booster pump is arranged in the bracket, and is connected and fixed with the bracket in an upright or inverted manner to form an integrated frame structure, and the integrated frame structure is hoisted and fixed below the bracket structure through a fastening standard part; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are respectively in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner.

2. The fastening and connecting method for the booster pump of the water purifier with the upper and lower double-layer structures as claimed in claim 1 or 2, wherein the frame structure is provided with a screw support extending downwards; one end of the double-channel double-layer U-shaped pipeline structure is fixed on the lower end face of the filter liner cavity base through a screw, and the other end of the double-channel double-layer U-shaped pipeline structure transversely extends outwards and is suspended to form a whole through the screw and the screw support.

3. A booster pump fastening and pipeline connecting structure of a water purifier with a double-cavity structure comprises a water pipeline, wherein a plurality of filter liners including a front filter liner and a reverse osmosis membrane filter liner are connected in series with the water pipeline, and a filter channel formed by the booster pump; a double-cavity structure is formed by a liner filtering cavity with an upward cavity opening and a butt joint water gap arranged on the base and hermetically butted with a water gap of the built-in liner filtering cavity and a facility cavity with a downward cavity opening; pure water pipeline is connected to reverse osmosis membrane filter element pure water mouth, and reverse osmosis membrane filter element arranges the concentrated mouth of a river and connects the concentrated water discharge pipeline that sets up row water flow control device to be located the concentrated water discharge pipeline back end of row water flow control device water outlet end, set up and concatenate the return water pipeline of straining courage chamber and return water automatically controlled valve and feed through booster pump inlet channel: a water storage space structure for storing the concentrated water is arranged between the wall of the filter liner and the built-in filter liner to form a concentrated water discharging and storing cavity, the water inlet of the concentrated water discharging and storing cavity is communicated with the rear section of a concentrated water discharging pipeline behind the concentrated water discharging flow control device, and the water outlet of the concentrated water discharging and storing cavity is communicated with the water inlet pipeline of the booster pump through a water return electric control valve; the water inlet pipeline is communicated with the booster pump by controlling the water inlet electric control valve and the water return electric control valve to select one to conduct a corresponding water passing pipeline, and the water inlet pipeline is characterized by also comprising a high-level assembly pipeline and a low-level assembly pipeline which are arranged in a vertically staggered manner and communicated through a vertical through hole, a high-level pipeline sealing piece is arranged around a relevant butt joint water port of the base of the filter liner cavity, and the high-level assembly pipeline and the low-level assembly pipeline are respectively provided with an upward external water port which is respectively communicated with a water inlet and a water outlet of the booster pump and a two-way double-layer U-; the double-path double-layer U-shaped pipeline structure is of a double-path conjoined structure or a double-path separated structure; the water inlet and the water outlet of the booster pump are respectively connected with a downward insertion pipe structure and are in insertion fit with a corresponding double-layer U-shaped pipeline in a double-layer U-shaped pipeline structure, and are respectively connected with the rear end of a front filtering channel arranged on a base of a filter liner cavity and a butt water inlet for hermetically butting the water inlet of a reverse osmosis membrane filter liner; the vertical booster pump is fixed, and is connected and fixed with the booster pump in an upright or inverted manner to form an integrated frame structure, and the booster pump is fixed on the double-path double-layer U-shaped pipeline structure through a fastening standard component.

4. The fastening and connecting method for the booster pump of the water purifier with the upper and lower double-layer structures as claimed in claim 1, 2 or 3, further comprising a pump head damping member, a mounting damping member and a fastening damping member; the frame structure comprises an upper pressing structure provided with a fastening standard part matching structure and a lower pressing structure provided with a corresponding fastening standard part matching structure; the upper and lower pressing structures are respectively positioned at the upper and lower sides of a pump head part of the water inlet and outlet booster pump, and the pump head part is clamped and integrated through a fastening standard component; the pump head shock absorption piece is arranged between the upper pressing structure and the lower pressing structure and the pump head part respectively; the mounting damping piece is arranged between the upper pressing structure and the support structure or between the lower pressing structure and the double-path double-layer U-shaped pipeline structure; the fastening damping piece is arranged between the fastening standard piece and the support structure or between the fastening standard piece and the double-path double-layer U-shaped pipeline structure.

5. The structure for fastening the booster pump and connecting the pipeline of the water purifier with a dual chamber structure as claimed in claim 1, 2 or 3, wherein the dual chamber structure separates the facility chamber and the filter chamber by a partition mode connected to the filter chamber and the facility chamber, or separates the facility chamber and the filter chamber by a movable partition mode connected to the filter chamber and the facility chamber, wherein the partition is injection molded in connection with the facility chamber and the filter chamber in the partition mode connected to the filter chamber and the facility chamber; for the movable connection mode of the movable partition plate and the lower filter container cabin, a connection matching structure corresponding to the movable partition plate structure is arranged between the filter container cabin and the facility cavity; the movable partition board is connected and matched with the connecting and matching structure and seals the matching gap.

6. The fastening and pipe connecting structure of the booster pump of the water purifier with a dual-chamber structure as claimed in claim 5, further comprising a concentrated water discharging pump with a water inlet end communicated with the lower part of the concentrated water discharging water storage chamber; the drainage end of the concentrated water drainage pump arranged in the setting cavity is connected with the rear end of the concentrated water drainage pipeline or is connected with the rear end of the pre-filtering channel, wherein the concentrated water drainage pump arranged in a post-drainage branch pipeline arranged at the bottom of the concentrated water drainage storage cavity is controlled to discharge concentrated water out of an external drainage outlet and an external drainage hose in a mode that the drainage end of the concentrated water drainage pump is connected with the rear end of the concentrated water drainage pipeline; the mode that the drainage end of the concentrated water drainage pump is connected with the rear end of the front filtering channel, the rear end of the front filtering channel is also communicated with the water inlet end of a purified water outlet valve arranged additionally, and the rear section of a concentrated water drainage pipeline arranged behind the concentrated water drainage flow control device is respectively provided with a drainage branch pipeline and a water return branch pipeline: the discharge branch pipeline is connected with an external discharge water outlet and an external discharge hose through an additional discharge electric control valve; the backwater branch pipeline is connected with a water inlet pipeline of the booster pump sequentially through an additionally-connected water inlet cavity electric control valve, a concentrated water discharging water storage cavity and a backwater electric control valve, and controls the concentrated water discharging pump to operate to pump water on the premise that the water inlet electric control valve is closed, or the purified water discharging valve is conducted to discharge water, or the front water replacement electric control valve additionally arranged between the rear end of the front filtering channel and the discharge branch pipeline is conducted to discharge water, and then the water is discharged through an external water discharge port and an external discharge hose.

7. The fastening and pipe connection structure of the booster pump of the water purifier with a dual-chamber structure as claimed in claim 6, further comprising a movable plate pipe structure for connecting the water outlet of the concentrated water discharge chamber and the water inlet pipe of the booster pump respectively and connecting the water return electric control valve or the concentrated water discharge pump or the water return electric control valve and the concentrated water discharge pump in series; the movable plate pipeline structure is provided with a butt-joint assembly pipeline with four upward water gaps or an L-shaped plugboard structure with a transverse pipeline butt-joint structure, wherein the butt-joint assembly pipeline is formed by butt-joint matching of a front-section pipeline open groove and a rear-section pipeline open groove with a cover plate and a pipeline sealing element arranged around the front-section pipeline open groove and the rear-section pipeline open groove and is connected through screws, is provided with a front-section pipeline and a rear-section pipeline and is provided with four upward water gaps, is fixed on the lower end surface of the bottom of a concentrated water discharge water storage cavity, a water inlet of the front-section pipeline of the butt-joint assembly pipeline is communicated with a water outlet at the bottom of the concentrated water discharge water storage cavity, a water outlet of the butt-joint assembly pipeline and a water inlet of the rear-section pipeline are in sealing butt joint with a water return electric control valve or a concentrated water discharge; for the L-shaped inserting plate structure, the filter liner cavity is provided with a corresponding connecting and matching structure, and the connecting and matching structure is positioned at the lower part of the partition plate or on the side wall between the filter liner cavity and the facility cavity; the L-shaped inserting plate structure is in contact fit with the connecting and matching structure and is connected with the connecting and matching structure to form a whole and a sealing fit clearance, and a water inlet and a water outlet of a water passing electric control part of one of a water return electric control valve or a concentrated water discharging pump or the water return electric control valve and the concentrated water discharging pump which are fixed on a bottom plate of the L-shaped inserting plate structure are respectively in sealing butt joint with a transverse pipeline butt joint structure and a booster pump water inlet pipeline which are used as water outlets of a concentrated water discharging and.

8. The fastening and connecting structure for the booster pump and the pipeline of the water purifier with the dual-chamber structure as claimed in claim 7, wherein the movable plate pipeline structure is connected with the dual-path dual-layer U-shaped pipeline structure and is fixed on the lower end surface of the base of the filter chamber by screws.

9. The fastening and pipe connecting structure of the pressurizing pump of the water purifier with a dual-chamber structure as claimed in claim 6, 7 or 8, wherein the backwater electric control valve or the concentrate discharge pump or the backwater electric control valve and the concentrate discharge pump are disposed below the frame structure and the pressurizing pump.

10. The fastening and pipe connection structure of the blower pump of the water purifier with dual chamber structure as claimed in claim 1, 2, 3, 6, 7 or 8, wherein the two-way dual-layer U-shaped pipe structure is either in the middle cover plate mode or in the middle pipe open groove mode, wherein for the middle cover plate mode, the upward low position pipe open groove is arranged to be in butt joint with the lower end surface of the middle cover plate and the low position pipe sealing member arranged around the low position pipe open groove and to be connected by screws to form a low position assembled pipe, the front end of the middle cover plate is provided with an upward pipe fitting structure, the downward pipe fitting structure connected with the related water gap of the blower pump is in plug joint with and to be sealed by the sealing member to form a fit gap, the lower end surface of the bottom seat of the bladder filter chamber is provided with a downward high position pipe open groove communicated with the related water gap, the front end thereof is in butt joint with the vertical through hole arranged on the cover plate and to be in butt joint with the upper end, the two-way double-layer U-shaped pipeline structure is connected with the rear end of a preposed filtering channel arranged at the water inlet and the water outlet of the booster pump and the base of the filter liner cavity and a butt joint water port for sealing and butting the water inlet of the reverse osmosis membrane filter liner, and is fixed on the lower end surface of the base of the filter liner cavity through screws; for the middle pipeline open channel mode, the middle pipeline open channel is an H-shaped pipeline open channel or a U-shaped pipeline open channel or an n-shaped pipeline open channel, wherein for the H-shaped pipeline open channel, an upward high-position pipeline open channel is arranged on the H-shaped pipeline open channel, the lower end face of a filter liner cavity base provided with a butt joint water gap and a high-position pipeline sealing element arranged around the high-position pipeline open channel are in butt joint fit and connected through screws to form a high-position assembled pipeline, a downward low-position pipeline open channel arranged on the H-shaped pipeline open channel is in contact fit with the upper end face of an additionally arranged lower cover plate, a low-position pipeline sealing element arranged around the low-position pipeline open channel is in butt joint fit and connected through screws to form a low-position assembled pipeline; for the U-shaped pipeline open channel, an upward high-position pipeline open channel is arranged on the U-shaped pipeline open channel, the lower end face of a filter chamber base provided with a butt joint water gap and a high-position pipeline sealing element arranged around the high-position pipeline open channel are in butt joint fit and are connected through screws to form a high-position assembled pipeline, and an upward low-position pipeline open channel is in butt joint fit with the lower end face of the U-shaped pipeline open channel and a low-position pipeline sealing element arranged around the low-position pipeline open channel and is connected through screws to form a low-position assembled pipeline; for the n-type pipeline open groove, a high-position pipeline open groove communicated with a relevant butt joint water gap and downward and a high-position pipeline sealing element arranged around the high-position pipeline open groove are arranged on the lower end face of the filter chamber base, the high-position pipeline open groove is jointed and matched with the upper end face of the n-type pipeline open groove and is connected through screws to form a high-position assembled pipeline, and the n-type pipeline open groove and a low-position pipeline sealing element arranged around the n-type pipeline open groove are jointed and matched with the upper end face of the lower cover plate and are connected through screws to form a low-position assembled pipeline; this pipeline is assembled to low level communicates the high-order pipeline of assembling through the vertical through-hole that the rear end set up, and the low level is assembled the pipeline front end and is set up ascending intubate cooperation structure, it connects decurrent intubate structure correspondence grafting cooperation and with the sealed fit clearance of sealing member with the relevant mouth of a river of booster pump, it advances to constitute and connect the booster pump, the delivery port respectively with filter the double-deck U type pipeline structure of the butt joint mouth of a river of leading filtration passageway rear end and the sealed butt joint reverse osmosis membrane filter courage water inlet that the filter courage chamber base set up, and fix double-deck U type pipeline structure of double-circuit on filter courage chamber base terminal surface down.

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