CN212616514U

CN212616514U - Linkage ball valve structure

Info

Publication number: CN212616514U
Application number: CN202021436265.3U
Authority: CN
Inventors: 胡效军; 陈志超
Original assignee: Hangzhou Shuixiang Environmental Technology Co ltd
Current assignee: Hangzhou Shuixiang Environmental Technology Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-02-26
Anticipated expiration: 2030-07-20

Abstract

The utility model belongs to the technical field of valve control, especially, be a linkage ball valve structure, including valve body mechanism, blowdown mechanism, actuating mechanism and filter mechanism, valve body mechanism includes inlet tube and rather than threaded connection's valve head, the inside of inlet tube and valve head rotates and is connected with three-way valve ball, the both sides of three-way valve ball all are equipped with valve ball sealing gasket, valve ball sealing gasket inlays to be established and fixes the inner wall of inlet tube and valve head, three water holes of crossing through each other are seted up on the three-way valve ball; when using, executor drive driving gear and driven gear rotate in step, and the driving gear passes through coupling mechanism and drives the tee bend valve ball and rotate, and driven gear drives the card post and rotates, through the switching of card post control blowoff valve, reaches the switching between filtration and the back flush with the tee bend ball valve, and the tee bend ball valve does not have the problem of fatigue failure, and is effective and stable at the during operation, can not cause the filter screen to block up the scheduling problem.

Description

Linkage ball valve structure

Technical Field

The utility model belongs to the technical field of valve control, concretely relates to linkage ball valve structure.

Background

The pre-filter is the first coarse filter equipment for water in a whole house, can filter silt, rust and large granular substances in tap water, is usually arranged behind a water meter of a water inlet pipeline to ensure that a large amount of precipitated impurities generated in a pipe network cannot cause harm to a human body, plays an active role in protecting concealed laying pipelines, taps, electric appliances and the like, achieves a backwashing state by using spring elasticity on a common backwashing pre-filter and converts the backwashing state into a filtering state, and the common automatic pre-filter drives a single ball valve to work by using a motor.

The spring of general back flush prefilter has fatigue strength, uses unstablely, and quality of water is too dirty or the improper back flush spring that easily operates became invalid, causes the filter screen to block up even, unable play water, and leading filter of general automatic money, a motor drive a blowdown ball valve blowdown, and the execution effect is comparatively single, can't fill the diversified demand in present market.

SUMMERY OF THE UTILITY MODEL

To solve the problems set forth in the background art described above. The utility model provides a linkage ball valve structure, has the effectual characteristics of back flush.

In order to achieve the above object, the utility model provides a following technical scheme: a linkage ball valve structure comprises a valve body mechanism, a sewage discharging mechanism, a driving mechanism and a filtering mechanism, wherein the valve body mechanism comprises a water inlet pipe and a valve head in threaded connection with the water inlet pipe, a three-way valve ball is rotatably connected inside the water inlet pipe and the valve head, valve ball sealing gaskets are arranged on two sides of the three-way valve ball and are fixedly embedded on the inner walls of the water inlet pipe and the valve head, three water through holes which are communicated with each other are formed in the three-way valve ball, a water outlet end is formed in one end of the valve head, a water inlet end is formed in one end of the water inlet pipe, a valve rod mounting hole corresponding to the three-way valve ball is formed in the outer wall of the valve head, a sewage discharging hole is formed in the valve head, a water outlet hole and a water inlet hole are formed in the valve head, the water outlet end is communicated with the water outlet hole, the water inlet end is communicated, the one end of blowoff valve with blowoff hole sealing connection, actuating mechanism includes the support and fixes the executor at its top surface, the support is fixed the outer wall of valve head, it is connected with driving gear and driven gear to rotate on the support, the driving gear is connected with the executor transmission, the driving gear with driven gear intermeshing, the driving gear with the output coaxial fixed of executor, the card post with the coaxial joint of driven gear is fixed, the driving gear pass through coupling mechanism with the tee bend valve ball transmission is connected, the valve head with filtering mechanism connects.

Preferably, the outer wall of the three-way valve ball is provided with a clamping groove.

Preferably, the connecting mechanism comprises a connecting rod, an upper clamping plate and a lower clamping plate, the upper clamping plate and the lower clamping plate are respectively and coaxially fixed at two ends of the connecting rod, the upper clamping plate is coaxially clamped and fixed with the driving gear, and the lower clamping plate is clamped and connected with the clamping groove.

Preferably, two seal grooves are formed in the middle of the connecting rod at intervals, and the seal grooves are used for mounting two sealing pieces to seal the connecting rod and the valve head.

Preferably, the outer wall of the valve head is fixedly connected with a plurality of threaded pipes corresponding to the bracket.

Preferably, the bracket is fixedly connected with the threaded pipe through a fixing screw.

Preferably, the outer walls of the water outlet end and the water inlet end are both provided with external threads.

Preferably, the valve body mechanism further comprises two pressure gauges, wherein the two pressure gauges are symmetrically fixed on the outer wall of the water inlet pipe and respectively display water inlet pressure and water outlet pressure.

Preferably, the water inlet pipe and the valve head are connected through threads and are provided with sealing rings for sealing.

Preferably, the inner side wall of the valve head is provided with an internal thread, and the valve head is in threaded sealing connection with the filtering mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

when using, executor drive driving gear and driven gear carry out synchronous rotation, and the driving gear passes through coupling mechanism and drives the tee bend valve ball and rotate, and driven gear drives the card post and rotates, through the switching of card post control blowoff valve, reaches the switching between filtration and the back flush with the tee bend ball valve, and the tee bend ball valve does not have the problem of fatigue failure, and is effective and stable at the during operation, can not cause the filter screen to block up the scheduling problem, and the reliability is higher.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the water inlet pipe of the present invention;

FIG. 3 is a schematic structural view of a valve body mechanism in the present invention;

fig. 4 is a schematic structural view of a valve head according to the present invention;

FIG. 5 is a schematic structural view of a drainage mechanism of the present invention;

fig. 6 is a schematic diagram of a three-way valve ball structure in the present invention;

FIG. 7 is a schematic view of the internal structure of the three-way valve ball of the present invention;

fig. 8 is a schematic structural view of the connection mechanism of the present invention;

FIG. 9 is an exploded view of the present invention;

fig. 10 is a schematic view of the internal structure of the filtering mechanism of the present invention.

In the figure: 1. a valve body mechanism; 101. a water outlet end; 102. a water inlet end; 103. a valve stem mounting hole; 104. a sewage draining hole; 105. a water outlet hole; 106. a water inlet hole; 11. a water inlet pipe; 111. a threaded pipe; 12. a three-way valve ball; 121. water passing holes; 122. a card slot; 13. a valve ball seal; 14. a valve head; 15. a pressure gauge; 2. a sewage draining mechanism; 21. a blowoff valve; 22. clamping the column; 3. a drive mechanism; 301. a sealing groove; 31. a support; 311. a set screw; 32. an actuator; 33. a driving gear; 34. a driven gear; 35. a connecting mechanism; 351. a connecting rod; 352. an upper clamping plate; 353. a lower clamping plate; 4. and a filtering mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides the following technical solutions: a linkage ball valve structure comprises a valve body mechanism 1, a sewage discharging mechanism 2, a driving mechanism 3 and a filtering mechanism 4, wherein the valve body mechanism 1 comprises a water inlet pipe 11 and a valve head 14 in threaded connection with the water inlet pipe 11 and the valve head 14, a three-way valve ball 12 is rotatably connected inside the water inlet pipe 11 and the valve head 14, valve ball sealing gaskets 13 are respectively arranged on two sides of the three-way valve ball 12, the valve ball sealing gaskets 13 are embedded and fixed on the inner walls of the water inlet pipe 11 and the valve head 14, three water through holes 121 which are mutually communicated are formed in the three-way valve ball 12, a water outlet end 101 is formed at one end of the valve head 14, a water inlet end 102 is formed at one end of the water inlet pipe 11, a valve rod mounting hole 103 corresponding to the three-way valve ball 12 is formed in the outer wall of the valve head 14, a sewage discharging hole 104 is formed in the valve head 14, a water outlet 105 and a water inlet hole 106 are formed in the valve, one end and blowdown hole 104 sealing connection of blowoff valve 21, actuating mechanism 3 includes support 31 and fixes the executor 32 at its top surface, the outer wall at valve head 14 is fixed to support 31, it is connected with driving gear 33 and driven gear 34 to rotate on the support 31, driving gear 33 is connected with executor 32 transmission, driving gear 33 and driven gear 34 intermeshing, driving gear 33 is coaxial fixed with the output of executor 32, it is fixed with the coaxial joint of driven gear 34 that the card post 22 is fixed, driving gear 33 passes through coupling mechanism 35 and is connected with three-way valve ball 12 transmission, valve head 14 is connected with filter mechanism 4.

In this embodiment: when the three-way valve type backwashing filter is used, the actuator 32 drives the driving gear 33 and the driven gear 34 to synchronously rotate, the driving gear 33 drives the three-way valve ball 12 to rotate through the connecting mechanism 35, the driven gear 34 drives the clamping column 22 to rotate, the blowdown valve 21 is controlled to be opened and closed through the clamping column 22, the three-way valve ball is used for achieving switching between filtering and backwashing, tap water enters from the water inlet end 102 in a filtering state, the three-way valve ball 12 is communicated with the water inlet end 102 and an inner cavity of the filtering mechanism 4 at the moment, the tap water is filtered from the inside of the filtering mechanism 4, and purified water flows out from the water outlet hole 105 through the water outlet end. In whole filtering process, three-way valve ball 12 is in the closed condition always, and when the back flush state, executor 32 starts under control circuit board's control, drives driving gear 33 and rotates, and driving gear 33 drives driven gear 34 and coupling mechanism 35 and rotates, and driven gear 34 rotates and drives card post 22 and rotate 90 degrees, and opening of control blowoff valve 21, coupling mechanism 35 rotate and drive complex three-way valve ball 12, and three-way valve ball 12 rotates 90 degrees, switches the water route: the water inlet hole 106 is closed, the water inlet end 102 and the water outlet hole 105 are communicated, water flow can be reversely flushed, tap water enters from the water inlet end 102 and enters the water outlet hole 105 through the three-way valve ball 12, then the filtering mechanism 4 is reversely flushed, impurity particles intercepted by the filtering mechanism 4 are discharged into the inner cavity of the filter flask along with flushing water flow, the filtering mechanism 4 is discharged out of the opened drain valve 21, after flushing is completed, the actuator 32 reversely rotates, the drain valve 21 is closed, and the three-way valve ball 12 is communicated with the inner cavities of the water inlet end 102 and the filtering mechanism 4 again.

Specifically, the outer wall of the three-way valve ball 12 is provided with a clamping groove 122; is used for being inserted and clamped with the lower clamping plate 353 and controlling the rotation of the three-way valve ball 12 through the connecting mechanism 35.

Specifically, the connecting mechanism 35 includes a connecting rod 351, an upper clamping plate 352 and a lower clamping plate 353, the upper clamping plate 352 and the lower clamping plate 353 are coaxially fixed at two ends of the connecting rod 351 respectively, the upper clamping plate 352 is coaxially clamped and fixed with the driving gear 33, and the lower clamping plate 353 is clamped and connected with the clamping groove 122; the actuator 32 drives the driving gear 33 to rotate, the upper clamping plate 352 is fixed with the driving gear 33 in a coaxial clamping mode, the upper clamping plate 352 can drive the connecting rod 351 and the lower clamping plate 353 to synchronously rotate, and the lower clamping plate 353 can drive the three-way valve ball 12 to rotate due to the fact that the lower clamping plate 353 is clamped with the clamping groove 122.

Specifically, two seal grooves 301 are arranged at the middle position of the connecting rod 351 at intervals, the seal grooves 301 are used for installing two seal pieces, and the connecting rod 351 and the valve head 14 are sealed; the seal seals a rotation gap between the connection rod 351 and the valve head 14 to prevent leakage while the connection rod 351 rotates.

Specifically, the outer wall of the valve head 14 is fixedly connected with a plurality of threaded pipes 111 corresponding to the bracket 31; the bracket 31 can be fixed with the threaded pipe 111, and the threaded pipe 111 supports the bracket 31 while connecting the bracket, so that the installation and transmission space of the bracket is ensured.

Specifically, the bracket 31 is fixedly connected with the threaded pipe 111 through a fixing screw 311; the threaded pipe 111 supports the connecting bracket 31 while ensuring the installation and transmission space thereof.

Specifically, the outer walls of the water outlet end 101 and the water inlet end 102 are both provided with external threads; the water outlet end 101 and the water inlet end 102 can be connected with a water supply pipeline in a sealing manner through threads, and the installation and the disassembly are convenient.

Specifically, the valve body mechanism 1 further comprises two pressure gauges 15, wherein the two pressure gauges 15 are symmetrically fixed on the outer wall of the water inlet pipe 11 and respectively display the water inlet pressure and the water outlet pressure; the water pressure condition is observed by a user, so that maintenance judgment can be conveniently made.

Specifically, the water inlet pipe 11 and the valve head 14 are connected through threads and are provided with sealing rings for sealing; the sealing performance of the water inlet pipe 11 and the valve head 14 is improved, meanwhile, the water inlet pipe is convenient to disassemble and assemble, and later maintenance and replacement are convenient.

Specifically, the inner side wall of the valve head 14 is provided with internal threads, and the valve head 14 is in threaded sealing connection with the filter mechanism 4; when the filtering mechanism 4 and the valve head 14 are installed and disassembled, the operation is convenient, and the installation and disassembly speed is high.

The utility model discloses a theory of operation and use flow: when the three-way valve type backwashing filter is used, the actuator 32 drives the driving gear 33 and the driven gear 34 to synchronously rotate, the driving gear 33 drives the three-way valve ball 12 to rotate through the connecting mechanism 35, the driven gear 34 drives the clamping column 22 to rotate, the blowdown valve 21 is controlled to be opened and closed through the clamping column 22, the three-way valve ball is used for achieving switching between filtering and backwashing, tap water enters from the water inlet end 102 in a filtering state, the three-way valve ball 12 is communicated with the water inlet end 102 and an inner cavity of the filtering mechanism 4 at the moment, the tap water is filtered from the inside of the filtering mechanism 4, and purified water flows out from the water outlet hole 105 through the water outlet end. In whole filtering process, three-way valve ball 12 is in the closed condition always, and when the back flush state, executor 32 starts under control circuit board's control, drives driving gear 33 and rotates, and driving gear 33 drives driven gear 34 and coupling mechanism 35 and rotates, and driven gear 34 rotates and drives card post 22 and rotate 90 degrees, and opening of control blowoff valve 21, coupling mechanism 35 rotate and drive complex three-way valve ball 12, and three-way valve ball 12 rotates 90 degrees, switches the water route: the water inlet hole 106 is closed, the water inlet end 102 and the water outlet hole 105 are communicated, water flow can be reversely flushed, tap water enters from the water inlet end 102 and enters the water outlet hole 105 through the three-way valve ball 12, then the filter mechanism 4 is reversely flushed, impurity particles intercepted by the filter mechanism 4 are discharged into an inner cavity of a filter flask along with flushing water flow, the filter mechanism 4 is discharged out of the filter mechanism 4 through the opened drain valve 21, after flushing is completed, the actuator 32 reversely rotates, the drain valve 21 is closed, the three-way valve ball 12 is communicated with inner cavities of the water inlet end 102 and the filter mechanism 4 again, the actuator 32 drives the driving gear 33 to rotate, the upper clamping plate 352 and the driving gear 33 are coaxially clamped and fixed, the upper clamping plate 352 can drive the connecting rod 351 and the lower clamping plate 353 to synchronously rotate, and the lower clamping plate 353 is clamped with the clamping groove 122, and.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A linkage ball valve structure characterized in that: comprises a valve body mechanism (1), a sewage discharging mechanism (2), a driving mechanism (3) and a filtering mechanism (4), wherein the valve body mechanism (1) comprises a water inlet pipe (11) and a valve head (14) in threaded connection with the water inlet pipe (11) and the valve head (14), a three-way valve ball (12) is rotatably connected inside the water inlet pipe (11) and the valve head (14), valve ball sealing gaskets (13) are arranged on two sides of the three-way valve ball (12), the valve ball sealing gaskets (13) are embedded and fixed on the inner walls of the water inlet pipe (11) and the valve head (14), three water passing holes (121) which are communicated with each other are formed in the three-way valve ball (12), a water outlet end (101) is formed in one end of the valve head (14), a water inlet end (102) is formed in one end of the water inlet pipe (11), and a valve rod mounting hole (103) corresponding, the valve head (14) is provided with a sewage discharge hole (104), the valve head (14) is provided with a water outlet hole (105) and a water inlet hole (106), the water outlet end (101) is communicated with the water outlet hole (105), the water inlet end (102) is communicated with the water inlet hole (106), the sewage discharge mechanism (2) comprises a sewage discharge valve (21) and a clamping column (22) fixed at the control end of the sewage discharge valve, one end of the sewage discharge valve (21) is hermetically connected with the sewage discharge hole (104), the driving mechanism (3) comprises a support (31) and an actuator (32) fixed at the top surface of the support, the support (31) is fixed at the outer wall of the valve head (14), the support (31) is rotatably connected with a driving gear (33) and a driven gear (34), the driving gear (33) is in transmission connection with the actuator (32), and the driving gear (33) is meshed with the driven gear (34), the driving gear (33) with the output of executor (32) is coaxial fixed, card post (22) with the coaxial joint of driven gear (34) is fixed, driving gear (33) through coupling mechanism (35) with three-way valve ball (12) transmission is connected, valve head (14) with filtering mechanism (4) are connected.

2. A linked ball valve structure as defined in claim 1, wherein: the outer wall of the three-way valve ball (12) is provided with a clamping groove (122).

3. A linked ball valve structure as defined in claim 2, wherein: the connecting mechanism (35) comprises a connecting rod (351), an upper clamping plate (352) and a lower clamping plate (353), the upper clamping plate (352) and the lower clamping plate (353) are coaxially fixed at two ends of the connecting rod (351) respectively, the upper clamping plate (352) is coaxially clamped and fixed with the driving gear (33), and the lower clamping plate (353) is clamped and connected with the clamping groove (122).

4. A linked ball valve structure as defined in claim 3 wherein: two seal grooves (301) are arranged at the middle position of the connecting rod (351) at intervals, the seal grooves (301) are used for installing two sealing pieces, and the connecting rod (351) and the valve head (14) are sealed.

5. A linked ball valve structure as defined in claim 1, wherein: the outer wall of the valve head (14) is fixedly connected with a plurality of threaded pipes (111) corresponding to the support (31).

6. A linked ball valve structure as defined in claim 5, wherein: the bracket (31) is fixedly connected with the threaded pipe (111) through a fixing screw (311).

7. A linked ball valve structure as defined in claim 1, wherein: the outer walls of the water outlet end (101) and the water inlet end (102) are both provided with external threads.

8. A linked ball valve structure as defined in claim 1, wherein: the valve body mechanism (1) further comprises two pressure gauges (15), wherein the two pressure gauges (15) are symmetrically fixed on the outer wall of the water inlet pipe (11) and respectively display water inlet pressure and water outlet pressure.

9. A linked ball valve structure as defined in claim 1, wherein: the water inlet pipe (11) and the valve head (14) are connected through threads and are provided with sealing rings for sealing.

10. A linked ball valve structure as defined in claim 1, wherein: the inner side wall of the valve head (14) is provided with an internal thread, and the valve head (14) is in threaded sealing connection with the filtering mechanism (4).