CN220378960U - Valve seat structure of check valve - Google Patents
Valve seat structure of check valve Download PDFInfo
- Publication number
- CN220378960U CN220378960U CN202321760846.6U CN202321760846U CN220378960U CN 220378960 U CN220378960 U CN 220378960U CN 202321760846 U CN202321760846 U CN 202321760846U CN 220378960 U CN220378960 U CN 220378960U
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- Prior art keywords
- valve seat
- check
- valve
- main body
- fixedly connected
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- 238000001514 detection method Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 230000003405 preventing effect Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000000151 anti-reflux effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model relates to the technical field of check valves, in particular to a valve seat structure of a check valve, which comprises: a main body including a valve body, the surface of which is provided with a non-return device; the adjusting mechanism comprises a piston ring, the piston ring is in sliding connection with the inner surface of the valve body, the valve seat main body is fixedly connected with the piston ring on the surface, the connecting frame is fixedly connected with the valve seat main body on the surface, the movable block is rotationally connected with the connecting frame on the surface, the screw rod is fixedly connected with the movable block on the surface, and the suspender is fixedly connected with the inner surface of the valve body. According to the utility model, through the cooperation among the piston ring, the valve seat main body, the connecting frame, the movable block, the screw rod, the suspender and the fixed nut, the transverse movement of the valve seat main body in the valve body is completed, the valve seat main body and the check plate of the check device are ensured to be always kept in a tight joint relationship, the service life of the check valve is prolonged, and the backflow preventing effect of the check valve is improved.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a valve seat structure of a check valve.
Background
The check valve is also called as a check valve, a one-way valve, a backflow valve or an isolation valve, and is a valve with a circular valve clack as an opening and closing part and can stop the backflow of a medium by the action of the self weight and the pressure of the medium. The medium flows in from the inlet end and flows out from the outlet end. When the inlet pressure is greater than the sum of the valve flap weight and its flow resistance, the valve is opened. Otherwise, the valve is closed when the medium flows backwards.
The valve seat and the check plate of the existing check valve are matched, and the check plate is driven by the spring, but after the spring is used for a long time, the backflow preventing effect of the valve seat and the check plate of the check valve is poor, and the service life of the check valve is shortened.
Disclosure of Invention
The utility model aims to provide a valve seat structure of a check valve, which solves the problems that the valve seat and the check plate of the existing check valve provided in the prior art are matched, and the check plate is driven by a spring, but after the spring is used for a long time, the backflow preventing effect of the valve seat and the check plate of the check valve is poor, and the service life of the check valve is reduced.
In order to achieve the above object, the present utility model provides a valve seat structure of a check valve, comprising:
a main body including a valve body, the surface of which is provided with a non-return device;
the regulating mechanism comprises a piston ring, the piston ring is in sliding connection with the inner surface of a valve body, a valve seat main body is fixedly connected with the piston ring on the surface, a connecting frame is fixedly connected with the valve seat main body on the surface, a movable block is rotationally connected with the connecting frame on the surface, a screw is fixedly connected with the movable block on the surface, a suspender is fixedly connected with the inner surface of the valve body, a fixing nut is fixedly connected with the suspender on the surface, and screw threads are connected with the fixing nut.
Preferably, the detection mechanism is arranged on the surface of the valve seat main body, the detection mechanism comprises a reset spring, the reset spring is fixedly connected on the surface of the valve seat main body, a movable plate is fixedly connected on the surface of the reset spring, a striker is fixedly connected on the surface of the movable plate, and an inductor is fixedly connected on the surface of the valve seat main body.
Preferably, the check device comprises mount, movable rod, spring and check board, be provided with the annular fixture block on the check board of check device, be provided with the annular draw-in groove on the surface of disk seat main part, fixture block joint on the check board of check device is connected on the draw-in groove of disk seat main part.
Preferably, the connecting frame is in a cross shape, a circular block is arranged at the center of the connecting frame, a clamping groove is formed in the circular block of the screw rod, and the clamping groove of the movable block on the circular block of the connecting frame rotates.
Preferably, the screw rod rotates on the fixed nut to enable the screw rod to move transversely, the screw rod drives the piston ring, the valve seat main body and the connecting frame to move transversely on the inner surface of the valve body through the movable block, and the valve seat main body can change the horizontal distance between the valve seat main body and the non-return device.
Preferably, the surface of the valve seat main body is provided with a circular groove, the detection mechanism is placed on the circular groove, and the circular grooves of the valve seat main body are provided with a plurality of groups which are uniformly arranged on the surface of the valve seat main body in a circular shape.
Preferably, the plunger is in two sections, one section of the plunger is used for triggering the sensor and the other section of the plunger is used for being pressed by the check plate of the check device.
Compared with the prior art, the utility model has the beneficial effects that:
1. the valve seat structure of the check valve is matched with the piston ring, the valve seat main body, the connecting frame, the movable block, the screw rod, the hanging rod and the fixing nut, so that the transverse movement of the valve seat main body inside the valve body is completed, the close fit relationship between the valve seat main body and the check plate of the check device is ensured, the service life of the check valve is prolonged, and the backflow preventing effect of the check valve is improved.
2. The valve seat structure of the check valve can detect the clamping condition of the valve seat main body and the check plate of the check device through the reset spring, the movable plate, the striker and the sensor, and when local clamping is not tight, the detection mechanism can timely find the non-clamped place, so that maintenance of a master is facilitated.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the structure of the present utility model;
FIG. 2 is a schematic elevational view of the structure of the present utility model;
FIG. 3 is a schematic side cross-sectional view of the structure of the present utility model;
FIG. 4 is a schematic perspective view in side section of the junction of the valve seat body and the connector of the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.
In the figure: 1. a valve body; 11. a non-return device; 2. piston rings; 21. a valve seat body; 22. a connecting frame; 23. a movable block; 24. a screw; 25. a boom; 26. a fixing nut; 3. a return spring; 31. a movable plate; 32. a striker; 33. an inductor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-5, an embodiment of the present utility model is provided:
a valve seat structure of a check valve, comprising:
a main body including a valve body 1, the surface of the valve body 1 being provided with a check device 11;
the regulating mechanism comprises a piston ring 2, the piston ring 2 is in sliding connection with the inner surface of the valve body 1, the piston ring 2 can prevent water from flowing between the piston ring 2 and the inner surface of the valve body 1, the sealing effect is achieved, the valve seat main body 21 is fixedly connected with the piston ring 2 on the surface, the connecting frame 22 is fixedly connected with the movable block 23 on the surface, the screw rod 24 is fixedly connected with the hanging rod 25 on the surface of the movable block 23, the hanging rod 25 is fixedly connected with the fixing nut 26 on the surface, the screw rod 24 is in threaded connection with the fixing nut 26, and the regulating mechanism can regulate the horizontal position of the valve seat main body 21 in the valve body 1, so that the check effect of the check device 11 matched with the upper valve seat main body 21 is better.
Further, be provided with detection mechanism on the surface of disk seat main part 21, detection mechanism includes reset spring 3, reset spring 3 fixed connection is on the surface of disk seat main part 21, reset spring 3's on-surface fixedly connected with fly leaf 31, fly leaf 31's on-surface fixedly connected with ram 32, disk seat main part 21's on-surface fixedly connected with inductor 33, detection mechanism can detect the non return effect of check valve, when the non return effect reduces, detection mechanism can be timely the reaction problem appear in which part of disk seat main part 21 the non return effect is relatively poor.
Further, check device 11 comprises mount, movable rod, spring and check plate, is provided with the annular fixture block on the check plate of check device 11, is provided with the annular draw-in groove on the surface of disk seat main part 21, and fixture block joint on the check plate of check device 11 is connected on the draw-in groove of disk seat main part 21, and when the check plate of check device 11 and disk seat main part 21 are connected, just can prevent the water source backward flow.
Further, the connecting frame 22 is in a cross shape, a circular block is arranged in the center of the connecting frame 22, the connecting frame 22 does not influence the normal movement of a water source, a clamping groove is formed in the circular block of the screw 24, the clamping groove of the movable block 23 on the circular block of the connecting frame 22 rotates, and the movable block 23 and the connecting frame 22 synchronously move transversely in the rotating process.
Further, the screw 24 rotates on the fixing nut 26 to enable the screw 24 to move transversely, the screw 24 drives the piston ring 2, the valve seat main body 21 and the connecting frame 22 to move transversely on the inner surface of the valve body 1 through the movable block 23, the valve seat main body 21 can change the horizontal distance between the valve seat main body and the check device 11, after the spring of the check device 11 is used for a long time, the check plate of the check device 11 and the valve seat main body 21 are clamped to be loose, and when the position of the valve seat main body 21 is close to the check device 11, the valve seat main body 21 and the check plate of the check device 11 can be clamped again, so that the backflow preventing effect is improved.
Further, the circular groove has been seted up on the surface of disk seat main part 21, and detection mechanism places on the circular groove, and the circular groove of disk seat main part 21 is provided with the multiunit and is circular even range on the surface of disk seat main part 21 for detection mechanism can multi-angle detection, has avoided the dead angle of detection, and detection mechanism mainly detects the block degree relation of disk seat main part 21 and check equipment 11 check board, so that determines the anti-reflux effect of check valve.
Further, the plunger 32 is formed in two sections, one section of the plunger 32 is used for triggering the sensor 33, the other section of the plunger 32 is used for being pressed by the check plate of the check device 11, the check plate of the check device 11 can enable the movable plate 31 to slide on the circular groove of the valve seat main body 21 by pressing the plunger 32, the sensor 33 is pressed, the plunger 32 finally touches the sensor 33, and the movable plate 31 and the plunger 32 can return to the original positions under the action of the elastic force of the sensor 33.
Working principle: when the spring on the check device 11 loosens, the screw rod 24 is rotated on one side, close to the valve seat main body 21, of the valve body 1, at the moment, the hanging rod 25 is at a position provided by the fixing nut 26, so that the screw rod 24 can rotate on the fixing nut 26, the movable block 23 rotates on the clamping groove of the connecting frame 22, the screw rod 24 transversely moves in the rotating process, the movable block 23 drives the connecting frame 22 to transversely move, the connecting frame 22 drives the valve seat main body 21 to transversely move, the valve seat main body 21 drives the piston ring 2 to transversely move, the piston ring 2 slides on the inner surface of the valve body 1, the position of the valve seat main body 21 is close to the check device 11, and the check plate of the check device 11 can be tightly clamped with the valve seat main body 21 again, so that water source backflow is prevented.
The check plate of check equipment 11 is connected on the surface of disk seat main part 21 under the elasticity effect of check equipment 11, and the check plate extrusion ram 32 of check equipment 11 this moment for fly leaf 31 slides on the circular slot of disk seat main part 21, and fly leaf 31 extrudees inductor 33, and fly leaf 31 drives ram 32 and touches inductor 33, and when a set of ram 32 did not touch inductor 33, just can judge here not the block accurate, the accurate detection check plate of check equipment 11 and the not tight place of disk seat main part 21 block, the staff of being convenient for maintains.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. A valve seat structure of a check valve, comprising:
the valve comprises a main body, wherein the main body comprises a valve body (1), and a check device (11) is arranged on the surface of the valve body (1);
the regulating mechanism comprises a piston ring (2), the piston ring (2) is in sliding connection with the inner surface of a valve body (1), a valve seat main body (21) is fixedly connected with on the surface of the piston ring (2), a connecting frame (22) is fixedly connected with on the surface of the valve seat main body (21), a movable block (23) is rotationally connected with on the surface of the connecting frame (22), a screw rod (24) is fixedly connected with on the surface of the movable block (23), a suspender (25) is fixedly connected with the inner surface of the valve body (1), a fixing nut (26) is fixedly connected with on the surface of the suspender (25), and the screw rod (24) is in threaded connection with the fixing nut (26).
2. A valve seat structure of a check valve according to claim 1, wherein: the novel valve seat is characterized in that a detection mechanism is arranged on the surface of the valve seat body (21), the detection mechanism comprises a reset spring (3), the reset spring (3) is fixedly connected to the surface of the valve seat body (21), a movable plate (31) is fixedly connected to the surface of the reset spring (3), a striker (32) is fixedly connected to the surface of the movable plate (31), and an inductor (33) is fixedly connected to the surface of the valve seat body (21).
3. A valve seat structure of a check valve according to claim 1, wherein: check equipment (11) comprises mount, movable rod, spring and check board, be provided with ring shape fixture block on check board of check equipment (11), be provided with ring shape draw-in groove on the surface of disk seat main part (21), fixture block joint on the check board of check equipment (11) is connected on the draw-in groove of disk seat main part (21).
4. A valve seat structure of a check valve according to claim 3, wherein: the connecting frame (22) is in a cross shape, a circular block is arranged at the center of the connecting frame (22), a clamping groove is formed in the circular block of the screw (24), and the movable block (23) rotates in the clamping groove on the circular block of the connecting frame (22).
5. The valve seat structure of a check valve according to claim 4, wherein: the screw (24) rotates on the fixed nut (26) to enable the screw (24) to transversely move, the screw (24) drives the piston ring (2), the valve seat main body (21) and the connecting frame (22) to transversely move on the inner surface of the valve body (1) through the movable block (23), and the horizontal distance between the valve seat main body (21) and the check device (11) can be changed.
6. A valve seat structure of a check valve according to claim 2, wherein: the surface of the valve seat main body (21) is provided with a circular groove, the detection mechanism is placed on the circular groove, and the circular grooves of the valve seat main body (21) are provided with a plurality of groups which are uniformly arranged on the surface of the valve seat main body (21) in a circular shape.
7. The valve seat structure of a check valve according to claim 6, wherein: the plunger (32) is in two sections, one section of the plunger (32) is used for triggering the sensor (33), and the other section of the plunger (32) is used for being pressed by a check plate of the check device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760846.6U CN220378960U (en) | 2023-07-06 | 2023-07-06 | Valve seat structure of check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321760846.6U CN220378960U (en) | 2023-07-06 | 2023-07-06 | Valve seat structure of check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220378960U true CN220378960U (en) | 2024-01-23 |
Family
ID=89562404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321760846.6U Active CN220378960U (en) | 2023-07-06 | 2023-07-06 | Valve seat structure of check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220378960U (en) |
-
2023
- 2023-07-06 CN CN202321760846.6U patent/CN220378960U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |