CN216045633U

CN216045633U - Hydraulic control one-way valve with filter screen

Info

Publication number: CN216045633U
Application number: CN202122133494.9U
Authority: CN
Inventors: 徐国章
Original assignee: Yancheng Yunsheng Hydraulic Parts Manufacturing Co ltd
Current assignee: Yancheng Yunsheng Hydraulic Parts Manufacturing Co ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-03-15
Anticipated expiration: 2031-09-04

Abstract

The utility model discloses a hydraulic control one-way valve with a filter screen, which is applied to the field of valve accessories and solves the technical problem that the filter screen in the existing valve accessory is inconvenient to disassemble, replace and maintain, the key point of the technical proposal is a hydraulic control one-way valve with a filter screen, which comprises a valve body, wherein the middle part of the valve body is provided with a through flow passage, a hydraulic control assembly is arranged in the through flow passage, the hydraulic control assembly comprises a ball block, a limit check ring movably connected with the through flow passage and a telescopic spring arranged between the limit check ring and the ball block, the liquid outlet is rotatably connected with a filter screen fixing block, a rotating shaft block is arranged between the filter screen fixing block and the valve body, threaded connection has the filter screen groove piece on the filter screen fixed block, the filter screen groove piece include the ring groove piece and with ring groove piece complex internal rotation groove piece, have the technical effect that the user of being convenient for realizes the clean operation of the dismouting of the inside filter screen of valve.

Description

Hydraulic control one-way valve with filter screen

Technical Field

The utility model relates to the field of valve accessories, in particular to a hydraulic control one-way valve with a filter screen.

Background

Because the inside fluid of mechanical equipment can appear fluid condition such as ageing, thickening along with long-time the use, can't keep the cleanliness of the fluid that gets into in the pneumatic cylinder, along with the increase of live time, can cause the inside damping screw of pneumatic cylinder inside impurity jam glib talker joint to influence the normal work and the life of pneumatic cylinder.

Therefore, a special valve with a filter screen is needed to ensure the cleaning of the oil liquid in the filtering process, but the prior valve member is inconvenient for the replacement and cleaning of the filter screen.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic control one-way valve with a filter screen, which is convenient to disassemble, assemble and clean the filter screen in the valve.

The technical purpose of the utility model is realized by the following technical scheme: a hydraulic control one-way valve with a filter screen comprises a valve body, wherein one end of the valve body is provided with a liquid inlet, the other end of the valve body is provided with a liquid outlet, the middle part of the valve body is provided with a through flow channel, a hydraulic control assembly is arranged in the through flow channel, the hydraulic control assembly comprises a ball block, a limiting check ring movably connected with the through flow channel and a telescopic spring arranged between the limiting check ring and the ball block, one end of the telescopic spring, which is contacted with the ball block, is provided with a supporting ring block, the supporting ring block is in sliding fit with the through flow channel, the side wall of the supporting ring block is provided with a limiting lug, the inner wall of the through flow channel is provided with a transverse groove for the sliding of the limiting lug, one end of the through flow channel, which is positioned at the liquid outlet, is provided with a falling step groove for the embedding of the limiting check ring, the limiting check ring is also in threaded connection with an adjusting rod, the adjusting rod is arranged in the transverse groove in a penetrating way, the limiting lug is provided with an adjusting hole for the adjusting rod to penetrate, the utility model discloses a valve body, including adjusting the regulation pole, the pole body middle part that is close to the regulation hole on the regulation pole is equipped with the regulation spacing ring, the liquid outlet rotates and is connected with the filter screen fixed block, be equipped with the pivot piece between filter screen fixed block and the valve body, threaded connection has filter screen groove piece on the filter screen fixed block, filter screen groove piece include ring groove piece and with ring groove piece complex internal rotation groove piece, the outside of ring groove piece be equipped with filter screen groove piece screw-thread fit's screw thread section, the one end that the ring groove piece is close to spacing retaining ring is equipped with the step annular, internal rotation groove piece and step annular threaded connection, the tank bottom of step annular still is equipped with filter screen pad groove, be equipped with the cooperation locking groove that supplies ring groove piece threaded connection on the spacing retaining ring.

Preferably: the end part of the adjusting rod is provided with a thread block, and the wall of one end of the transverse groove close to the liquid inlet is provided with a thread hole for the thread matching of the adjusting rod.

Preferably: and an elastic sealing ring is arranged at one end of the internal rotation groove block close to the filter screen pad groove.

Preferably: and the filter screen fixing block is provided with a force application slot hole.

Preferably: the filter screen fixing block is fixed with the valve body through bolts.

Preferably: and a wear-resistant ring is arranged on one side of the supporting ring block, which is abutted against the ball block.

Preferably: and a plurality of filtrate meshes are arranged on the supporting ring block.

In conclusion, the utility model has the following beneficial effects:

1. through the combined action between filter screen fixed block part and the carrier ring piece, realize convenient reliable clean sieve of fluid and strain when can ensure that whole valving normally stabilizes the fluid and carry, the controllable regulation of carrier ring piece has ensured that valve spare dismouting maintains the reliable and stable of filter screen in-process, reduce the convenient degree of the influence operation of revealing of fluid, and simultaneously, whole filter screen fixed block structure has ensured to the filter screen fixed spacing and tear the convenient effective of trading, and can ensure to tear the reliable fluid transport sieve filtration performance of whole valving after trading.

Drawings

FIG. 1 is a sectional view for showing the internal structure of a pilot operated check valve in the embodiment;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is an enlarged view of B in fig. 1.

Reference numerals: 1. a valve body; 2. a liquid inlet; 3. a liquid outlet; 4. a flow passage is penetrated; 5. a ball block; 6. a limit retainer ring; 7. a tension spring; 8. a ring supporting block; 9. a limiting lug block; 10. a transverse groove; 11. a landing step groove; 12. adjusting a rod; 13. an adjustment hole; 14. adjusting the limiting ring; 15. a filter screen fixing block; 16. a rotating shaft block; 17. a filter screen groove block; 18. a ring groove block; 19. an internal rotation groove block; 20. a step ring groove; 21. a filter screen pad groove; 22. matching with the locking groove; 23. a thread block; 24. a threaded opening; 25. an elastic sealing ring; 26. a force application slot; 27. wear-resistant rings; 28. and (4) filtering to obtain a filtrate mesh.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a take liquid accuse check valve of filter screen, as shown in fig. 1 and fig. 3, including valve body 1, valve body 1's one end is equipped with into liquid mouth 2, valve body 1's the other end is equipped with liquid outlet 3, 3 rotations of liquid outlet are connected with filter screen fixed block 15, valve body 1's middle part then is equipped with through-flow channel 4, carry fluid in a large number and transmit to liquid outlet 3 through-flow channel 4 by going into liquid mouth 2, in fluid transmission process, the filter screen that relies on 15 parts of filter screen fixed block can carry out effective sieve to the fluid of process and strain.

As shown in fig. 1 and 2, be equipped with the hydraulic control subassembly in running through runner 4, can realize the unidirectional transmission effect under the oil pressure, including ball 5, with running through runner 4 swing joint's spacing retaining ring 6 and locate the expanding spring 7 between spacing retaining ring 6 and the ball 5, oil extrudees ball 5 under the normal condition, make expanding spring 7 shrink, and then realize fluid input, in case the oil pressure is low excessively, expanding spring 7 keeps the extension, ball 5 then can realize blocking the closure of running through runner 4 part, make fluid only can realize the stable controllable transport state of a direction.

In order to keep the stability and the smoothness of the partial stress feedback of the ball block 5, the supporting ring block 8 is arranged at one end, in contact with the ball block 5, of the extension spring 7, and the abrasion-resistant ring 27 is arranged on one side, in contact with the ball block 5, of the supporting ring block 8, so that the stable contact extrusion fit of the ball block 5 can be kept. The cooperation that slides of ring piece 8 and running through runner 4, the lateral wall of ring piece 8 is equipped with spacing ear piece 9, the inner wall that runs through runner 4 is equipped with the cross slot 10 that supplies spacing ear piece 9 to slide, ring piece 8 can realize synchronous sliding along with the relative motion of expanding spring 7 and ball piece 5, and is equipped with a plurality of filtrating mesh 28 on the ring piece 8, has ensured the stability of normal fluid transportation process to can realize tentatively sieving out to impurity in the fluid.

The relative position of the telescopic spring 7 and the ball block 5 is changed under the action of oil hydraulic pressure, and the position of the limit check ring 6 needs to be kept relatively fixed. The end of the through flow channel 4, which is located at the liquid outlet 3, is provided with a falling step groove 11 for the embedding of the limiting retainer ring 6, the limiting retainer ring 6 is always buckled in the falling step groove 11 in a normal state, and the fixing effect of the relative position can be realized by the limiting and abutting of the filter screen fixing block 15.

Considering that the filter screen part needs to be disassembled and cleaned in actual use, a rotating shaft block 16 is arranged between the filter screen fixing block 15 and the valve body 1, the filter screen is arranged on the filter screen fixing block 15, the quick and efficient disassembling and assembling effects are achieved through a rotating connection mode, and the filter screen fixing block 15 and the valve body 1 are fixed through bolts in a normal assembling state. However, due to the oil transportation, the valve member is not easy to be integrally disassembled, and the stable disassembling and replacing operation environment of the filter screen part can be ensured only by cutting off the liquid inlet 2 part.

The limiting retainer ring 6 is also in threaded connection with an adjusting rod 12, the adjusting rod 12 is arranged in the transverse groove 10 in a penetrating manner, an adjusting hole 13 through which the adjusting rod 12 is arranged on the limiting lug 9, an adjusting limiting ring 14 is arranged in the middle of a rod body close to the adjusting hole 13 on the adjusting rod 12, a force application groove hole 26 matched with the end part of the adjusting rod 12 is arranged on the filter screen fixing block 15, an operator can directly adjust the adjusting rod 12 from the force application groove hole 26 part through a professional tool to realize the adjustment of the horizontal position change of the limiting ring 14, finally, the limiting lug 9 part is extruded and tightly abutted, further, the position movement of the ball block 5 and the supporting ring block 8 is limited, the closed cutoff of the through flow passage 4 is always kept, in order to further improve the reliability and stability of the device, a threaded block 23 is arranged at the end part of the adjusting rod 12, a threaded opening 24 in threaded fit with the adjusting rod 12 is arranged on one end groove wall of the transverse groove 10 close to the liquid inlet 2, the end of the adjusting rod 12 is screwed with the thread port 24 to realize final locking, so that the whole ball block 5 can stably bear the oil pressure from the liquid inlet 2 and keep the relative position fixed, and the filter screen part penetrating the tail end of the flow passage 4 is guaranteed to be disassembled and cleaned.

The whole filter screen fixing block 15 rotates the connecting structure, so that the actual operation is fast and convenient, and the connection between the filter screen and the filter screen fixing block 15 is stable. Threaded connection has filter screen groove block 17 on filter screen fixed block 15, filter screen groove block 17 includes ring groove block 18 and with ring groove block 18 complex internal rotation groove block 19, be equipped with in the outside of ring groove block 18 with filter screen groove block 17 screw-thread fit's screw thread section 23, the one end that ring groove block 18 is close to spacing retaining ring 6 is equipped with step annular 20, internal rotation groove block 19 and step annular 20 threaded connection, the tank bottom of step annular 20 still is equipped with filter screen pad groove 21, under the normal condition, the filter screen block is in filter screen pad groove 21, the one end that internal rotation groove block 19 is close to filter screen pad groove 21 is equipped with elastic sealing ring 25, then can realize the spacing locking of filter screen through internal rotation groove block 19 of screwing, keep the stability of the filter screen actual atress sieve filtration state, it then only needs the knob to dismantle internal rotation groove block 19 can to tear open and trade the filter screen.

Meanwhile, because ring groove piece 18 keeps the threaded connection with filter screen fixed block 15, be equipped with the screw thread section in the outside of ring groove piece 18, in order to realize further locking fixed with the promotion of sealing performance, be equipped with the cooperation locking groove 22 that supplies ring groove piece 18 threaded connection on spacing retaining ring 6, after the installation of user's completion filter screen and the locking of filter screen fixed block 15 promptly, can realize the further locking to spacing retaining ring 6 part through rotating ring groove piece 18, thereby ensure the stability of fluid transport sieve filtration process when improving device structural strength, and the same reason, the in-process that the filter screen was torn open and is traded need be carried out, need at first to unscrew ring groove piece 18, and then just can realize the holistic dismantlement upset process to filter screen fixed block 15, moreover, the steam generator is simple in structure, and convenient operation.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a take hydraulically controlled check valve of filter screen, includes valve body (1), characterized by: a liquid inlet (2) is formed in one end of the valve body (1), a liquid outlet (3) is formed in the other end of the valve body (1), a through flow channel (4) is formed in the middle of the valve body (1), a hydraulic control assembly is arranged in the through flow channel (4), the hydraulic control assembly comprises a ball block (5), a limiting check ring (6) movably connected with the through flow channel (4) and a telescopic spring (7) arranged between the limiting check ring (6) and the ball block (5), a support ring block (8) is arranged at one end, in contact with the ball block (5), of the telescopic spring (7), the support ring block (8) is in sliding fit with the through flow channel (4), a limiting lug block (9) is arranged on the side wall of the support ring block (8), a transverse groove (10) for the limiting lug block (9) to slide is formed in the inner wall of the through flow channel (4), a falling step groove (11) for the limiting check ring (6) to be embedded in is formed in one end, of the through flow channel (4) located at the liquid outlet (3), the valve is characterized in that an adjusting rod (12) is connected to the limiting retainer ring (6) in a threaded manner, the adjusting rod (12) is arranged in a transverse groove (10) in a penetrating manner, an adjusting hole (13) for the adjusting rod (12) to penetrate is formed in a limiting lug block (9), an adjusting limiting ring (14) is arranged in the middle of a rod body close to the adjusting hole (13) in the adjusting rod (12), a filter screen fixing block (15) is rotatably connected to the liquid outlet (3), a rotating shaft block (16) is arranged between the filter screen fixing block (15) and the valve body (1), a filter screen groove block (17) is connected to the filter screen fixing block (15) in a threaded manner, the filter screen groove block (17) comprises a ring groove block (18) and an inner rotating groove block (19) matched with the ring groove block (18), a thread section matched with the filter screen groove block (17) in a threaded manner is arranged on the outer side of the ring groove block (18), and a step ring groove (20) is arranged at one end, close to the limiting retainer ring (6), interior spiral groove piece (19) and step annular (20) threaded connection, the tank bottom of step annular (20) still is equipped with filter screen pad groove (21), be equipped with on spacing retaining ring (6) and supply cooperation locking groove (22) of annular groove piece (18) threaded connection.

2. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: the end part of the adjusting rod (12) is provided with a thread block (23), and the wall of one end of the transverse groove (10) close to the liquid inlet (2) is provided with a thread opening (24) for the adjusting rod (12) to be in thread fit.

3. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: and an elastic sealing ring (25) is arranged at one end of the internal rotation groove block (19) close to the filter screen pad groove (21).

4. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: and a force application slotted hole (26) is formed in the filter screen fixing block (15).

5. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: the filter screen fixing block (15) is fixed with the valve body (1) through bolts.

6. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: and a wear-resistant ring (27) is arranged on one side of the supporting ring block (8) abutting against the ball block (5).

7. The pilot-controlled check valve with the filter screen as claimed in claim 1, wherein: a plurality of filtrate meshes (28) are arranged on the supporting ring block (8).