CN111442107A - Filter valve for easy cleaning - Google Patents

Abstract

The invention discloses a filter valve that is easy to clean, and the filter valve that is easy to clean comprises a casing, the upper part of the casing is connected with an openable valve cover, the inner cavity of the casing is rotatably connected with a valve core assembly, and the valve core assembly It includes a valve body that rotates at a certain angle in the casing and a filter element that is detachably arranged in the valve body. The filter valve that is easy to clean can easily take out the filter element for cleaning or replacement through the valve body, the casing and the valve cover, and will not lead to ingress. The water in the water pipe and the drain pipe flows out, which is more convenient to operate. It is convenient to separate the valve body by the partition part, so as to improve the filtering effect of the filter element. It is convenient to prevent the external pipeline from being accidentally disconnected from the filter valve. It is convenient to twist the valve body through the quick-release parts on the valve body, so as to control the on-off of the water inlet and the drain groove, and the quick-release parts on the valve cover are convenient for assembly. And dismantling the valve cover, it is more practical.

Description

Filter valve for easy cleaning

technical field

The invention relates to the technical field of filter valves, in particular to a filter valve that is easy to clean.

Background technique

Filter valve, also known as filter: a device for filtering pretreatment. The filter valve is a necessary filter device for the use of hydraulic control valves and precise mechanical products that are easy to block. It is an indispensable device for the pipeline series conveying the medium. It is usually installed at the inlet end of the hydraulic control valve, pressure reducing valve, pressure relief valve, fixed water level valve and other equipment to eliminate impurities in the medium and prevent particulate impurities from entering. Channels, creating wall plugs to protect fittings on equipment pipes from wear and blockage.

For example, the patent application publication number CN106039802B discloses a pre-filter, which includes a cylinder body, a filter element assembly is arranged in the cylinder body, and a hollow rod passing through the filter element assembly is also arranged in the cylinder body. The top is connected to the cylinder body and is connected with an electric ball valve. The electric ball valve is provided with a sewage outlet. The present invention achieves better positive flushing and back flushing effects by rationally designing the pre-filter, and can be controlled by full automation. To achieve its flushing function, it has the advantages of high efficiency, low cost, strong adaptability, etc. However, the filter only cleans the filter element by forward flushing and backwashing, and the cleaning effect is poor, which affects the filtering effect of the filter element, and The filter is inconvenient to disassemble and replace the filter element.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to overcome the existing defects and provide a filter valve that is easy to clean. It is not necessary to turn off the water supply valve when cleaning or replacing the filter element, and the water in the water inlet and outlet pipes will not enter the valve when cleaning or replacing the filter element. It is convenient to clean or replace the filter element, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present invention provides the following technical solutions: a filter valve that is easy to clean, including a casing, an openable valve cover is connected to the upper part of the casing, a valve core assembly is rotatably connected to the inner cavity of the casing, and the valve The core assembly includes a valve body that rotates at a certain angle in the outer casing and a filter core that is detachably arranged in the valve body. The inner cavity of the valve body is divided into a silo body 1 and a silo body 2 for placing the filter core by a partition member. The side wall of the valve body is provided with a drainage hole communicated with the silo body 2 and a water inlet hole communicated with the silo body 2, and the peripheral surface of the outer casing is provided with a water inlet and a drainage port corresponding to the water inlet hole and the drainage hole respectively. and a set of water blocking components for blocking the water inlet and the water outlet respectively on the peripheral surface of the valve body.

Further, the upper edge of the inner wall of the valve body is located on the side of the second chamber body and is provided with a slot for matching with the filter element, which is convenient to limit the filter element and prevent the filter element from sliding along the inner wall of the valve body.

Further, a limiting member is provided between the casing and the valve body.

Further, the limit component is a clip edge arranged on the inner wall of the casing and matched with the valve body, the clip edge is provided with a limit port, and the valve body is provided with a stirring block that cooperates with the limit port. The edge is used to prevent the valve body from sliding up and down, and the rotation angle of the valve body is limited by the limit port and the stirring block.

Further, the water inlet and the water outlet are tubular structures, and the water inlet and the water outlet are provided with a plurality of annular protrusions in a straight line along their axial direction, and the annular protrusion away from the outer casing has the largest diameter, which is convenient for the water inlet and the water outlet. The drain port is connected with the external pipe, and the external pipe is separated from the water inlet and the drain port through a plurality of annular protrusions. By setting the annular protrusion away from the casing to have the largest diameter, the external pipe can be further prevented from being separated from the water inlet and drain port. and water seepage at the connection between the external pipe and the water inlet and outlet.

Further, the water blocking assembly includes an installation groove 1 and a sealing ring 1 arranged in the installation groove 1. When the water blocking assembly corresponds to the water inlet and the drain port, the sealing ring 1 provided in the installation groove 1 can prevent Water seepage between valve body and housing.

Further, a sealing member is provided between the casing and the valve body.

Further, the sealing component includes a second installation groove located on the peripheral surface of the valve body and below the water blocking component, and a second sealing ring disposed in the second installation groove to prevent water seepage between the casing and the valve body.

Further, both the valve cover and the valve body are provided with quick-release parts, which are convenient for disassembling and assembling the valve cover and for twisting the valve body.

Further, the upper end surface of the filter element is provided with a support element that cooperates with the valve cover to limit the filter element and the valve body and prevent the filter element and the valve body from sliding up and down.

Compared with the prior art, the present invention has the beneficial effects that the filter element can be easily taken out for cleaning or replacement through the valve body, the casing and the valve cover, without causing the water in the water inlet pipe and the drain pipe to flow out, and the operation is more convenient, It is convenient to separate the valve body by the separating part, so as to improve the filtering effect of the filter element, and it is convenient to connect the filter valve with the external pipe through the water inlet, the drain port and the annular protrusion, and it is convenient to prevent the external pipe from accidentally separating from the filter valve, The quick-release parts on the valve body are convenient to twist the valve body, so as to control the on-off of the water inlet and the drain groove, and the quick-release parts on the valve cover are convenient to assemble and disassemble the valve cover, and have strong practicability.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the side structure schematic diagram of the present invention;

3 is a schematic diagram of the installation structure of the casing, the valve body and the filter element of the present invention;

4 is a schematic diagram of the installation structure of the valve body and the filter element of the present invention;

Figure 5 is a schematic diagram of the detailed structure of the filter element of the present invention;

6 is a schematic diagram of the detailed structure of the valve body of the present invention;

FIG. 7 is a schematic diagram of the detailed structure of the casing of the present invention.

In the figure: shell (1), valve body (2), water inlet (3), annular protrusion (4), valve cover (5), water outlet (6), water inlet hole (7), filter element (8) ), sealing ring 1 (9), installation groove 1 (10), installation groove 2 (11), sealing ring 2 (12), card edge (13), card groove (14), drain hole (15).

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1:

1-7, the present invention provides a technical solution: an openable valve cover 5 is connected to the upper part of the casing 1, and a valve core assembly is rotatably connected to the inner cavity of the casing 1, and the valve core assembly includes a certain rotation in the casing 1. The angled valve body 2 and the detachable filter core 8 arranged in the valve body 2, the inner cavity of the valve body 2 is divided into a silo body 1 and a silo body 2 for placing the filter core 8 by a partition member. The volume is greater than the volume of the silo body 1, the top of the partition member is provided with a connecting groove, the bottom of the filter core 8 is provided with a connecting member that cooperates with the connecting groove, and the connecting member at the bottom of the filter core 8 is tightly connected with the connecting groove on the top of the partition member, The silo body 2 can be made to form a sealed filter silo through the partition member and the filter core 8 to prevent the water to be filtered flowing out of the water inlet hole 7 from infiltrating the filter from the connection of the partition member and the filter core 8 without being filtered by the filter core 8. The silo, which improves the filtering effect, when the water to be filtered in the water inlet hole 7 enters the silo body, it can only be discharged from the drainage hole 15 after being filtered by the filter core 8, and the filtered impurities can be left in the filter core 8. It is convenient for users to clean up later. The side wall of the valve body 2 is provided with a drainage hole 15 that communicates with the silo body 2 and a water inlet hole 7 that communicates with the silo body 2. The peripheral surface of the housing 1 corresponds to the water inlet hole 7 and the drainage hole The hole 15 is provided with a water inlet 3 and a water outlet 6, and a set of water blocking components for blocking the water inlet 3 and the water outlet 6 are provided on the peripheral surface of the valve body 2 respectively. The same level or different levels, as long as the two water blocking components correspond to the water inlet hole 7 and the drain hole 15, respectively, and the water inlet 3 and the drain hole 6 are also required to correspond to the water inlet hole 7 and the drain hole 15, respectively. 7. The horizontal angle between the connection line between the drain hole 15 and the center line of the valve body 2 and the rotation angle of the valve body 2 are any angle, as long as it is satisfied that when the valve body 2 is rotated at a certain angle, the water blocking component can be connected with the water inlet 3 and the drain. The port 6 can be blocked correspondingly. The upper edge of the inner wall of the valve body 2 is located on the side of the silo body 2 and is provided with a card slot 14 that cooperates with the filter element 8. To limit the position, so that the filter element 8 will not rotate along the inner wall of the valve body 2, there is a limit part between the shell 1 and the valve body 1, and the limit part is the clip edge 13 arranged on the inner wall of the shell 1 and matched with the valve body 2, There is a limit port on the card edge 13, and the valve body 2 is provided with a stirring block that cooperates with the limit port. In the process of turning from one side to the other side, it is possible to switch from the water inlet hole 7 and the drain hole 15 corresponding to the water inlet 3 and the water outlet 6 to the water inlet hole 7 and the drain hole 15 corresponding to a set of water blocking components. Preferably, the water inlet hole 7 and the drain hole 15 correspond to the water inlet 3 and the water outlet 6 respectively when the agitating block is located on one side of the limit opening, thereby forming a passage, and when the agitating block is located on the other side of the limit opening, the water enters The hole 7 and the drainage hole 15 correspond to a set of water blocking components, so as to block the water inlet hole 7 and the drainage hole 15. The water inlet 3 and the drainage hole 6 are tubular structures, and the water inlet 3 and the drainage hole 6 are all along the A plurality of annular protrusions 4 are arranged in a straight line in the axial direction, wherein The annular protrusion 4 away from the shell 1 has the largest diameter. When connected by a soft hose, the annular protrusion 4 can prevent the soft hose from detaching. When the annular protrusion 4 away from the shell 1 has the largest diameter, the soft hose can be further prevented from detaching and blocking water. The assembly includes an installation groove 1 and a sealing ring 1 9 arranged in the installation groove 1 10. By setting the sealing ring 1 in the installation groove 1 10, when the water inlet hole 7 and the drainage hole 15 correspond to a set of water blocking components, the The water in the water outlet 3 and the water outlet 6 will not be poured back into the valve body 2. A sealing member is provided between the casing 1 and the valve body 2. The sealing member includes a mounting groove arranged on the peripheral surface of the valve body 2 and located below the water blocking component. Second, and the second sealing ring 12 arranged in the second installation groove 11, when the valve body 2 rotates in the casing 1, the second sealing ring 12 set in the second installation groove 11 can prevent the water in the valve body from passing through the valve body 2 and the casing. The gap between 1 and 1 seeps out. Both the valve cover 5 and the valve body 2 are provided with quick-release parts. The quick-release parts can be polygonal grooves or polygonal protrusions on the valve cover 5 and the valve body 2. The quick-release parts on the cover 5 are convenient for disassembling and assembling the valve cover, and the quick-release parts on the valve body 2 are used to facilitate the rotation of the valve body 2. The upper end surface of the filter element 8 is provided with a supporting element that cooperates with the valve cover 5. The supporting element can be The support plate or the support column is preferably an arc-shaped support plate matched with the inner wall of the valve body 2 .

Embodiment 2:

This embodiment is a modification of the first embodiment, and the difference is that the structure of the partition member and the filter core 8 is different, and the same parts as those in this embodiment and the first embodiment will not be repeated.

The filter element 8 is provided with a groove that cooperates with the partition member, a groove is set at the position corresponding to the partition member on the filter core 8, and the top of the partition member is inserted into the groove, so that the connection between the partition member and the filter core 8 is formed. It is well sealed, which prevents the water in the first chamber from infiltrating into the filter chamber without being filtered.

When in use: connect the tubular water inlet 3 and the water outlet 6 with the external pipeline through the annular protrusion 4, when the water filter starts to be used, twist the valve body 2 through the quick release part on the valve body 2, so that the inlet The water hole 7 and the drain hole 15 correspond to the water inlet 3 and the water outlet 6. The water to be filtered enters the valve body 2 along the water inlet 3 and the water inlet hole 7 and is filtered through the filter core 8, and the filtered impurities remain in the filter. In the core 8, when the filter core 8 needs to be cleaned or replaced, the valve body 2 is twisted by the quick-release parts on the valve body 2, and the stirring block rotates along the limit port, so that a set of seals arranged in the installation groove 10 The circle one 9 corresponds to the water inlet 3 and the water outlet 6, thereby preventing the water in the water inlet 3 and the water outlet 6 from entering the casing 1 and the valve body 2.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, and substitutions can be made in these embodiments without departing from the principle and spirit of the invention and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. A filter valve for easy cleaning, comprising a casing (1), characterized in that an openable valve cover (5) is connected to the upper part of the casing (1), and a valve is rotatably connected to the inner cavity of the casing (1). A core assembly, the valve core assembly includes a valve body (2) that rotates at a certain angle in a casing (1) and a filter core (8) that is detachably arranged in the valve body (2), the valve body (2) The inner cavity of the valve body is divided into a silo body 1 and a silo body 2 for placing the filter core (8) by a partition member, and the side wall of the valve body (2) is provided with a drainage hole (15) communicating with the silo body 2 and The water inlet (7) communicated with the silo body 2, the peripheral surface of the outer casing (1) is provided with a water inlet (3) and a water outlet (6) corresponding to the water inlet (7) and the water outlet (15) respectively, A set of water blocking components for blocking the water inlet (3) and the water outlet (6) are provided on the peripheral surface of the valve body (2). 2. The filter valve easy to clean according to claim 1, wherein the upper edge of the inner wall of the valve body (2) is located on the side of the second chamber body and is provided with a card slot (14) that cooperates with the filter element (8). ). 3. The filter valve for easy cleaning according to claim 1, characterized in that: a limiting member is provided between the casing (1) and the valve body (1). 4. The filter valve according to claim 3, characterized in that: the limiting member is a clip edge (13) arranged on the inner wall of the casing (1) and matched with the valve body (2). A limit port is provided on the edge (13), and the valve body (2) is provided with a stirring block matched with the limit port. 5. The filter valve according to claim 1, characterized in that: the water inlet (3) and the water outlet (6) are tubular structures, and the water inlet (3) and the water outlet (6) are both in the upper A plurality of annular projections (4) are arranged in an inline shape in the axial direction, wherein the annular projection (4) away from the casing (1) has the largest diameter. 6 . The filter valve according to claim 1 , wherein the water blocking component comprises an installation groove 1 and a sealing ring 1 (9) arranged in the installation groove 1 (10). 7 . 7. The easy-to-clean filter valve according to claim 1, characterized in that a sealing member is provided between the casing (1) and the valve body (2). 8. The filter valve easy to clean according to claim 7, characterized in that: the sealing member comprises a second installation groove located on the peripheral surface of the valve body (2) and located below the water blocking assembly, and a second installation groove (2) Seal ring two (12) in 11). 9. The easy-to-clean filter valve according to claim 1, characterized in that: both the valve cover (5) and the valve body (2) are provided with quick-release parts. 10. The filter valve for easy cleaning according to claim 1, characterized in that: the upper end surface of the filter element (8) is provided with a support element that cooperates with the valve cover (5).

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