CN112555484A

CN112555484A - Piston valve with filtering capability

Info

Publication number: CN112555484A
Application number: CN202011369576.7A
Authority: CN
Inventors: 余成鹏
Original assignee: Wenzhou Jianyi Technology Co ltd
Current assignee: Wenzhou Jianyi Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-26

Abstract

The invention discloses a piston valve with a filtering function, which comprises a water inlet end, a water outlet end and a connecting end, wherein the connecting end is fixedly connected to one end of the opposite surfaces of the water inlet end and the water outlet end, the inner wall of the water outlet end is fixedly connected with a piston cylinder, a plurality of water outlet holes are formed in the surface of the piston cylinder, a filtering component is arranged in the middle of the connecting end, and a driving component is fixedly arranged on the inner wall of the water outlet end corresponding to the positions of the water outlet holes. According to the invention, water flow is blocked by impurities at the spherical metal filter screen, the sealing frame is driven to move under the action of the reset stretching of the damping spring, the sealing frame drives the driving ring to rotate through the pushing rod, so that the driving ring drives the spherical metal filter screen to rotate on the inner wall of the accommodating groove through the driving teeth, the filtering position of the spherical metal filter screen is changed, and the impurities on the surface of the spherical metal filter screen can be scraped by the inner wall of the accommodating groove, so that the purposes of automatically scraping the impurities on the surface of the spherical metal filter screen and recovering the circulation state can be realized.

Description

Piston valve with filtering capability

Technical Field

The invention relates to the technical field of piston valves, in particular to a piston valve with a filtering function.

Background

The piston valve is widely applied to water supply systems, sewage treatment systems, hydropower stations, steel plants and the like, and is used for pressure control and accurate flow regulation in pipe network systems. The piston valve is characterized in that the rotation of a valve shaft is converted into axial movement of the piston along the guide rail through a crank-link mechanism, flow regulation or pressure is realized by blocking or leaving a small conical hole in a valve seat in the process of moving the piston back and forth, the piston valve is different from a butterfly valve and a gate valve which are only used for cutting off a pipeline, and the piston valve can meet various special regulation requirements. The adjusting function is realized by axial movement of a piston-like cylinder in the valve cavity.

However, in the prior art, when the piston valve with the filtering function is used for a long time, the filter screen is blocked by impurities, so that the impurities cannot be automatically scraped, and the normal use of the piston valve is influenced.

Disclosure of Invention

The present invention is directed to a piston valve with a filtering function to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the damping spring type water outlet device comprises a water inlet end, a water outlet end and a connecting end, wherein the connecting end is fixedly connected with one end of the opposite surface of the water inlet end and the water outlet end, the inner wall of the water outlet end is fixedly connected with a piston cylinder, the surface of the piston cylinder is provided with a plurality of water outlet holes, the middle part of the connecting end is provided with a filtering component, the inner wall of the water outlet end corresponding to the position of the water outlet holes is fixedly provided with a driving component, the filtering component comprises a water inlet hole and a containing tank, the water inlet hole and the containing tank are both arranged at the middle part of the connecting end, the inner wall of the containing tank is rotatably connected with a spherical metal filter screen, the driving component comprises a damping spring, the damping spring is fixedly connected with the inner wall of the water outlet end, the damping spring is movably wound on the surface of the piston, one end of the pushing rod, which is far away from the position of the sealing frame, is hinged with a driving ring through a universal joint, one end of the driving ring, which corresponds to the position of the spherical metal filter screen, is fixedly connected with driving teeth, and the driving teeth are movably connected on the surface of the spherical metal filter screen.

Preferably, it is a plurality of the apopore is that the annular equidistance is seted up on the surface of piston cylinder, and the apopore runs through and communicates to the inside of piston cylinder, the one end at the corresponding inlet end position of link is seted up to the inlet opening, and the holding tank sets up the one end at the corresponding outlet end position of link, the inside and the inside of holding tank of inlet opening are linked together, the inner wall fixedly connected with second sealing rubber circle of link, and second sealing rubber circle swing joint is on the surface of piston cylinder.

Preferably, the diameter of the driving tooth is smaller than the aperture of the filtering hole of the spherical metal filter screen, the sealing frame is of an internal hollow structure, the surface of the driving ring is movably connected with a retainer, the retainer is fixedly connected to the inner wall of the water outlet end, and the inner diameter of one end of the accommodating groove corresponding to the position of the water outlet end is equal to the maximum diameter of the spherical metal filter screen.

Preferably, the middle part of link is equipped with the miscellaneous subassembly of collection, the miscellaneous subassembly of collection includes a plurality of miscellaneous holes of collection, the miscellaneous hole of collection is seted up in the inside of link, and the miscellaneous hole of collection is linked together with the inside of inlet opening, the one end inner wall that the miscellaneous hole of collection corresponds spherical metal filters position is the arc structure, and is a plurality of the miscellaneous hole of collection is the annular equidistance and sets up in the middle part of link, and the miscellaneous hole of collection and the crisscross setting each other of bolt.

Preferably, the miscellaneous hole of collection runs through and extends to the surface of link, and the one end threaded connection who keeps away from the inlet opening position in the miscellaneous hole of collection has the sprue, the one end fixedly connected with turning block that the miscellaneous hole of collection position was kept away from to the sprue, and turning block swing joint is on the surface of link.

Preferably, the middle parts of the water inlet end and the piston cylinder are rotatably connected with a driving rod through a sealing bearing, the surface of the driving rod is fixedly connected with a driving block, one end of the driving block, which is far away from the driving rod, is fixedly connected with a fixing rod, and the circle center of the fixing rod and the circle center of the driving rod are symmetrically arranged about the horizontal axis of the midpoint of the driving block.

Preferably, the one end that the dead lever kept away from the drive block position is connected with the connecting rod through the bearing rotation, the one end that the dead lever position was kept away from to the connecting rod articulates there is the fixed plate, the fixed surface of fixed plate is connected with the piston cap, and piston cap swing joint is at the inner wall of piston cylinder.

Preferably, the water inlet end, the water outlet end and the connecting end are fixedly connected through bolts, a first sealing rubber ring penetrates through and is embedded into one end of the corresponding connecting end position of the water inlet end and the water outlet end, and the first sealing rubber ring is tightly attached to the surface of the connecting end.

Compared with the prior art, the invention has the beneficial effects that:

1. when water flow is blocked by impurities at the spherical metal filter screen and cannot pass through the spherical metal filter screen, the sealing frame is driven to move under the action of the reset stretching of the damping spring, the sealing frame drives the driving ring to rotate through the pushing rod, so that the driving ring drives the spherical metal filter screen to rotate on the inner wall of the accommodating groove through the driving teeth, the filtering position of the spherical metal filter screen is changed, and the impurities on the surface of the spherical metal filter screen are scraped by the inner wall of the accommodating groove, so that the purposes of automatically scraping the impurities on the surface of the spherical metal filter screen and recovering the circulation state can be achieved;

2. the valve is controlled by rotating the driving rod, the driving rod drives the driving block to rotate on the inner wall of the piston cylinder, and when the driving block rotates, the driving block drives the connecting rod to move on the inner wall of the piston cylinder through the fixed rod, so that the connecting rod drives the piston cover to move left and right on the inner wall of the piston cylinder through the fixed plate, and the valve can be closed and opened by matching the piston cover with the water outlet hole;

3. the water inlet end, the water outlet end and the connecting end are fixedly connected through the bolts, so that the water inlet end, the water outlet end and the connecting end are convenient to disassemble, and the inner diameter of one end of the accommodating groove corresponding to the position of the water outlet end is equal to the maximum diameter of the spherical metal filter screen, so that the spherical metal filter screen is convenient to separate from the inner wall of the accommodating groove when the water inlet end, the water outlet end and the connecting end are separated, and the aim of facilitating replacement and maintenance of the spherical metal filter screen is fulfilled.

Drawings

FIG. 1 is a front sectional view of an overall structure of a piston valve having a filtering function according to the present invention;

FIG. 2 is an enlarged view of the structure A of the piston valve with filtering function in FIG. 1;

FIG. 3 is a front sectional view of the water outlet end of the piston valve with filtering function according to the present invention;

FIG. 4 is an enlarged view of the piston valve with filtering function shown at B in FIG. 3;

fig. 5 is a front sectional view of a water inlet end structure of a piston valve with a filtering function according to the present invention.

In the figure: 1. a water inlet end; 2. a water outlet end; 3. a connecting end; 4. a piston cylinder; 5. a first sealing rubber ring; 6. a water outlet hole; 7. a filter assembly; 701. a water inlet hole; 702. accommodating grooves; 703. a spherical metal filter screen; 704. a second sealing rubber ring; 8. a drive assembly; 801. a damping spring; 802. a sealing frame; 803. a push rod; 804. a drive ring; 805. a drive tooth; 806. a holder; 9. an impurity collecting component; 901. a impurity collecting hole; 902. blocking; 903. rotating the block; 10. a drive rod; 11. a drive block; 12. fixing the rod; 13. a connecting rod; 14. a fixing plate; 15. a piston cap.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the water inlet end comprises a water inlet end 1, a water outlet end 2 and a connecting end 3, wherein the connecting end 3 is fixedly arranged at one end of the opposite surface of the water inlet end 1 and the water outlet end 2, a piston cylinder 4 is fixedly arranged on the inner wall of the water outlet end 2, a plurality of water outlet holes 6 are formed in the surface of the piston cylinder 4, a filter component 7 is arranged in the middle of the connecting end 3, a driving component 8 is fixedly arranged on the inner wall of the position, corresponding to the water outlet holes 6, of the water outlet end 2, the filter component 7 comprises a water inlet hole 701 and a containing groove 702, the water inlet hole 701 and the containing groove 702 are both formed in the middle of the connecting end 3, a spherical metal filter screen 703 is rotatably connected to the inner wall of the containing groove 702, the driving component 8 comprises a damping spring 801, the damping spring 801 is fixedly arranged on the inner wall of the water outlet end 2, the damping spring 801 is movably wound on, one end of the push rod 803, which is far away from the position of the sealing frame 802, is hinged with a driving ring 804 through a universal joint, one end of the driving ring 804, which corresponds to the position of the spherical metal filter screen 703, is fixedly provided with driving teeth 805, and the driving teeth 805 are movably connected to the surface of the spherical metal filter screen 703.

A plurality of apopores 6 are the surface that the annular equidistance was seted up at piston cylinder 4, and apopore 6 runs through and communicates to piston cylinder 4's inside, the one end in 3 corresponding inlet ends 1 positions of link is seted up to inlet opening 701, and holding tank 702 sets up the one end in 3 corresponding outlet ends 2 positions of link, the inside and the inside of holding tank 702 of inlet opening 701 are linked together, the inner wall fixed mounting of link 3 has second sealing rubber circle 704, and second sealing rubber circle 704 swing joint is on piston cylinder 4's surface.

The diameter of the driving tooth 805 is smaller than the aperture of the filtering hole of the spherical metal filter screen 703, the sealing frame 802 is an internal hollow structure, the surface of the driving ring 804 is movably connected with a retainer 806, the retainer 806 is fixedly installed on the inner wall of the water outlet end 2, and the inner diameter of one end of the accommodating groove 702 corresponding to the position of the water outlet end 2 is equal to the maximum diameter of the spherical metal filter screen 703.

The middle part of the connecting end 3 is provided with an impurity collecting component 9, the impurity collecting component 9 comprises a plurality of impurity collecting holes 901, the impurity collecting holes 901 are arranged in the connecting end 3, the impurity collecting holes 901 are communicated with the inside of the water inlet hole 701, the inner wall of one end of the impurity collecting holes 901 corresponding to the position of the spherical metal filter screen 703 is of an arc-shaped structure, the impurity collecting holes 901 are arranged in the middle part of the connecting end 3 in an annular shape at equal intervals, the impurity collecting holes 901 and bolts are arranged in a mutually staggered mode, through the arrangement of the impurity collecting component 9, when impurities on the surface of the spherical metal filter screen 703 are scraped, under the impact action of water flow, the impurities are flushed into the impurity collecting holes 901 with slow flow speed, because the water flow in the impurity collecting holes 901 is slow, the impurities can be deposited on the inner wall of the impurity collecting holes 901, when the inside of the impurity collecting holes 901 needs to be cleaned, the valve is firstly closed, then the rotating block 903 is rotated, and the rotating block 903 drives the blocking block to rotate on the inner wall, until the blocking block 902 is separated from the inner wall of the impurity collecting hole 901, water flow passes through the water inlet end 1 to enter the water inlet hole 701 and the impurity collecting hole 901 and is discharged to the outside, so that impurities in the impurity collecting hole 901 are discharged to the outside, and the purpose of facilitating impurity cleaning is achieved.

Miscellaneous hole 901 of collection runs through and extends to the surface of link 3, and the one end threaded connection that miscellaneous hole 901 of collection kept away from inlet opening 701 position has sprue 902, and sprue 902 keeps away from the one end fixed mounting that miscellaneous hole 901 of collection put has turning block 903, and turning block 903 swing joint is on the surface of link 3.

The middle parts of the water inlet end 1 and the piston cylinder 4 are rotatably connected with a driving rod 10 through a sealing bearing, a driving block 11 is fixedly arranged on the surface of the driving rod 10, a fixing rod 12 is fixedly arranged on the surface of one end, far away from the driving rod 10, of the driving block 11, and the circle center of the fixing rod 12 and the circle center of the driving rod 10 are symmetrically arranged about the horizontal axis of the midpoint of the driving block 11.

The one end that the dead lever 12 kept away from the drive block 11 position is connected with connecting rod 13 through the bearing rotation, the one end that dead lever 12 position was kept away from to connecting rod 13 articulates there is fixed plate 14, fixed surface mounting of fixed plate 14 has piston lid 15, and piston lid 15 swing joint is at the inner wall of piston tube 4, when this valve is controlled through needs, rotate actuating lever 10, and make actuating lever 10 drive block 11 rotate at the inner wall of piston tube 4, and when drive block 11 rotated, can make drive block 11 drive connecting rod 13 through dead lever 12 and remove at the inner wall of piston tube 4, thereby make connecting rod 13 drive piston lid 15 through fixed plate 14 and remove about the inner wall of piston tube 4, can realize the operation that this valve closed and opened through piston lid 15 cooperation apopore 6.

The water inlet end 1, the water outlet end 2 and the connecting end 3 are fixedly installed through bolts, the end of the water inlet end 1 corresponding to the connecting end 3 of the water outlet end 2 is embedded with the first sealing rubber ring 5, the first sealing rubber ring 5 is tightly attached to the surface of the connecting end 3, the water outlet end 2 and the connecting end 3 are fixedly installed through the bolts, the water inlet end 1 is convenient to detach from the water outlet end 2 to the connecting end 3, the inner diameter of the end of the accommodating groove 702 corresponding to the water outlet end 2 is equal to the maximum diameter of the spherical metal filter net 703, when the water inlet end 1 is separated from the accommodating groove 702, the spherical metal filter net 703 is convenient to detach from the inner wall of the accommodating groove 702, and the purpose of replacing and maintaining the spherical metal filter net 703 is achieved.

The working principle is as follows: when the water flow flows from the position of the water inlet end 1 to the connecting end 3, the water flow enters the spherical metal filter screen 703 in the accommodating groove 702 through the water inlet hole 701, the water flow is filtered through the spherical metal filter screen 703, the filtered water flow enters the inner wall of the water outlet end 2, pressure is generated on the sealing frame 802 through the water flow, the sealing frame 802 moves towards the end far away from the position of the connecting end 3 and presses the damping spring 801 until the sealing frame 802 does not shield the water outlet hole 6 any more, the water flow is discharged from the water discharge end of the water outlet end 2 through the water outlet hole 6 on the surface of the piston cylinder 4, when the spherical metal filter screen 703 is blocked by more impurities on the surface and the water flow cannot pass through, the pressure inside the water outlet end 2 is smaller than the pressure inside the water inlet end 1, under the action of the resetting and stretching of the damping spring 801, make damping spring 801 drive seal frame 802 to the one end removal in link 3 position, and make seal frame 802 drive the inner wall rotation of drive ring 804 at holding frame 806 through catch bar 803, and when drive ring 804 biography, make drive ring 804 drive spherical metal filters 703 through drive tooth 805 and rotate at the inner wall of holding tank 702, and change the filterable position of spherical metal filters 703 and the impurity on spherical metal filters 703 surface can be scraped by the inner wall of holding tank 702, thereby can realize scraping spherical metal filters 703 surface impurity automatically and resume the purpose of circulation state.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A piston valve having a filtering function, characterized in that: the water-saving filter comprises a water inlet end (1), a water outlet end (2) and a connecting end (3), wherein the connecting end (3) is fixedly connected with one end of the opposite surface of the water inlet end (1) and the water outlet end (2), the inner wall of the water outlet end (2) is fixedly connected with a piston cylinder (4), a plurality of water outlets (6) are formed in the surface of the piston cylinder (4), a filter component (7) is arranged in the middle of the connecting end (3), a driving component (8) is fixedly arranged on the inner wall of the position, corresponding to the water outlets (6), of the water outlet end (2), the filter component (7) comprises a water inlet hole (701) and a containing groove (702), the water inlet hole (701) and the containing groove (702) are both formed in the middle of the connecting end (3), the inner wall of the containing groove (702) is rotatably connected with a spherical metal filter, damping spring (801) fixed connection is in the inner wall of water outlet end (2), and damping spring (801) activity winding is on the surface of piston barrel (4), the one end fixedly connected with seal frame (802) of the corresponding apopore (6) position of damping spring (801), the one end that seal frame (802) kept away from damping spring (801) position articulates through the universal joint has catch bar (803), the one end that seal frame (802) position was kept away from in catch bar (803) articulates through the universal joint has drive ring (804), the one end fixedly connected with drive tooth (805) of the corresponding spherical metal filters (703) position of drive ring (804), and drive tooth (805) swing joint is on the surface of spherical metal filters (703).

2. A piston valve with a filtering function according to claim 1, wherein: a plurality of apopore (6) are the surface that the annular equidistance was seted up at piston cylinder (4), and apopore (6) run through and communicate to the inside of piston cylinder (4), the one end in the corresponding water inlet end (1) position of link (3) is seted up in inlet opening (701), and holding tank (702) are seted up in the one end in the corresponding water outlet end (2) position of link (3), the inside of inlet opening (701) is linked together with the inside of holding tank (702), the inner wall fixedly connected with second sealing rubber circle (704) of link (3), and second sealing rubber circle (704) swing joint is on the surface of piston cylinder (4).

3. A piston valve with a filtering function according to claim 1, wherein: the diameter of the driving tooth (805) is smaller than the aperture of a filtering hole of the spherical metal filter screen (703), the sealing frame (802) is of an internal hollow structure, the surface of the driving ring (804) is movably connected with a retainer (806), the retainer (806) is fixedly connected to the inner wall of the water outlet end (2), and the inner diameter of one end of the accommodating groove (702) corresponding to the position of the water outlet end (2) is equal to the maximum diameter of the spherical metal filter screen (703).

4. A piston valve with a filtering function according to claim 1, wherein: the middle part of the connecting end (3) is provided with an impurity collecting assembly (9), the impurity collecting assembly (9) comprises a plurality of impurity collecting holes (901), the impurity collecting holes (901) are formed in the connecting end (3), the impurity collecting holes (901) are communicated with the inside of the water inlet hole (701), the inner wall of one end, corresponding to the spherical metal filter screen (703), of the impurity collecting holes (901) is of an arc-shaped structure, the impurity collecting holes (901) are formed in the middle part of the connecting end (3) in an annular equidistant mode, and the impurity collecting holes (901) and the bolts are arranged in a staggered mode.

5. A piston valve with a filtering function according to claim 1, wherein: the miscellaneous hole of collection (901) run through and extend to the surface of link (3), and the one end threaded connection who keeps away from inlet opening (701) position in the miscellaneous hole of collection (901) has sprue (902), one end fixedly connected with turning block (903) that collection miscellaneous hole (901) position was kept away from in sprue (902), and turning block (903) swing joint is on the surface of link (3).

6. A piston valve with a filtering function according to claim 1, wherein: the middle part of intaking end (1) and piston cylinder (4) all is connected with actuating lever (10) through sealed bearing rotation, the fixed surface of actuating lever (10) is connected with driving block (11), the one end fixed surface that actuating lever (10) position was kept away from in driving block (11) is connected with dead lever (12), the centre of a circle of dead lever (12) sets up for the symmetry axis symmetry with the horizontal axis of the centre of a circle of actuating lever (10) midpoint about driving block (11).

7. A piston valve with a filtering function according to claim 1, wherein: the one end that drive block (11) position was kept away from in dead lever (12) rotates through the bearing and is connected with connecting rod (13), the one end that dead lever (12) position was kept away from in connecting rod (13) articulates there is fixed plate (14), the fixed surface of fixed plate (14) is connected with piston cap (15), and piston cap (15) swing joint is at the inner wall of piston cylinder (4).

8. A piston valve with a filtering function according to claim 1, wherein: the water inlet end (1), the water outlet end (2) and the connecting end (3) are fixedly connected through bolts, a first sealing rubber ring (5) penetrates through and is embedded into one end of the water inlet end (1) and the end of the water outlet end (2) corresponding to the connecting end (3), and the first sealing rubber ring (5) is tightly attached to the surface of the connecting end (3).