CN220151958U - Check valve with reliable sealing performance - Google Patents
Check valve with reliable sealing performance Download PDFInfo
- Publication number
- CN220151958U CN220151958U CN202321938268.0U CN202321938268U CN220151958U CN 220151958 U CN220151958 U CN 220151958U CN 202321938268 U CN202321938268 U CN 202321938268U CN 220151958 U CN220151958 U CN 220151958U
- Authority
- CN
- China
- Prior art keywords
- check valve
- coating
- connecting pipe
- sealing
- chlorinated rubber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims description 35
- 238000000576 coating method Methods 0.000 claims description 35
- 238000010073 coating (rubber) Methods 0.000 claims description 19
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- 229920002681 hypalon Polymers 0.000 claims description 13
- 150000007965 phenolic acids Chemical class 0.000 claims description 13
- 238000010030 laminating Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000011247 coating layer Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a check valve with reliable sealing performance, which comprises a check valve body, wherein connecting discs are fixedly connected to two sides of the check valve body, one side of each connecting disc is connected with a connecting pipe in a joint mode, the surface of each connecting pipe is connected with a locking seat in a joint mode, one side of each locking seat is movably connected with a locking bolt, one side of each locking bolt penetrates through an inner cavity of each locking seat to be connected with a nut in a threaded mode, one side of each nut is fixedly connected with a rotary push plate, one side of each rotary push plate is connected with a connecting rod in a joint mode, and one side of each connecting pipe is provided with a sealing ring. According to the utility model, the locking bolt is added, so that the rotary push plate is conveniently driven to push the connecting rod to move, the sealing ring on the surface of the connecting pipe can be effectively tightly attached to the surface of the connecting plate, water leakage is prevented in the using process, the using tightness of the device is improved, the trouble of workers is solved, and the demands of the workers are met.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a check valve with reliable sealing performance.
Background
The check valve is a valve with a circular valve clack and used for blocking medium backflow by means of self weight and medium pressure, and belongs to automatic valves, namely a check valve, a one-way valve, a backflow valve or an isolation valve, wherein the movement mode of the valve clack is divided into a lifting type check valve and a swing type check valve, the lifting type check valve is similar to a stop valve structure, only a valve rod for driving the valve clack is lacking, medium flows in from an inlet end (lower side) and flows out from an outlet end (upper side), when the inlet pressure is greater than the sum of the weight of the valve clack and the flow resistance of the valve clack, otherwise, the valve is closed when the medium flows back, the swing type check valve is provided with a valve clack which is obliquely arranged and can rotate around a shaft, the working principle is similar to that of the lifting type check valve, the check valve can be used as a bottom valve of a water pumping device, the check valve and the stop valve can be combined for use, and the safety isolation function can be achieved;
however, the existing check valve is unreliable in sealing, so that water leakage is easy to occur in the using process, the using efficiency of equipment is reduced, and meanwhile, trouble is brought to staff.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model aims to provide the check valve with reliable sealing performance, thereby achieving the function of reliable sealing performance.
(II) technical scheme
The check valve comprises a check valve body, connecting discs are fixedly connected to two sides of the check valve body, connecting pipes are connected to one sides of the connecting discs in a joint mode, locking seats are connected to the surfaces of the connecting pipes in a joint mode, locking bolts are movably connected to one sides of the locking seats, nuts are connected to inner cavity threads of the locking seats in a penetrating mode, rotating pushing plates are fixedly connected to one sides of the nuts, connecting rods are connected to one sides of the rotating pushing plates in a joint mode, and sealing rings are arranged on one sides of the connecting pipes.
As a preferable scheme, the surface of the sealing ring is coated with a corrosion-resistant coating, and the inner cavity of the corrosion-resistant coating comprises a phenolic acid-resistant coating, a chlorinated rubber coating and a chlorosulfonated polyethylene coating.
Preferably, the inner surface of the chlorosulfonated polyethylene coating is coated on the outer surface of the chlorinated rubber coating, and the inner surface of the chlorinated rubber coating is coated on the outer surface of the phenolic acid-resistant coating.
Preferably, the chlorosulfonated polyethylene coating layer has a thickness greater than that of the chlorinated rubber coating layer, and the chlorinated rubber coating layer has a thickness greater than that of the phenolic acid-resistant coating layer.
As a preferable scheme, one side of the connecting rod is fixedly connected with the surface of the connecting pipe, and the surface of the connecting disc is provided with a mounting hole.
(III) beneficial effects
Compared with the prior art, the check valve provided by the utility model has the advantages of reliable sealing performance.
1. According to the utility model, the locking bolt is added, so that the rotary push plate is conveniently driven to push the connecting rod to move, the sealing ring on the surface of the connecting pipe can be effectively tightly attached to the surface of the connecting plate, water leakage is prevented in the using process, the using tightness of the device is improved, the trouble of workers is solved, and the demands of the workers are met.
2. According to the utility model, the corrosion-resistant coating, the phenolic acid-resistant coating, the chlorinated rubber coating and the chlorosulfonated polyethylene coating are added, so that the corrosion-resistant effect can be realized, the sealing ring is prevented from being corroded and broken after long-time use, and the service life of the sealing ring is prolonged.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of a locking seat according to the present utility model;
FIG. 3 is a side view of the structure of the connecting tube of the present utility model;
fig. 4 is a schematic view of the structure of the corrosion-resistant coating of the present utility model.
In the figure: 1. a check valve body; 2. a connecting disc; 3. a connecting pipe; 4. a locking bolt; 5. a locking seat; 6. a screw cap; 7. a seal ring; 8. a connecting rod; 9. rotating the push plate; 10. a corrosion resistant coating; 101. a phenolic acid-resistant coating; 102. a chlorinated rubber coating; 103. and (3) chlorosulfonated polyethylene coating.
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. 1-4, the present utility model: the utility model provides a check valve that sealing performance is reliable, including check valve body 1, the equal fixedly connected with connection pad 2 in both sides of check valve body 1, one side laminating of connection pad 2 is connected with connecting pipe 3, the surface laminating of connecting pipe 3 is connected with lock seat 5, one side swing joint of lock seat 5 has lock bolt 4, one side of lock bolt 4 runs through to the inner chamber threaded connection of lock seat 5 has nut 6, one side fixedly connected with rotation push pedal 9 of nut 6, one side laminating of rotation push pedal 9 is connected with connecting rod 8, one side of connecting pipe 3 is provided with sealing washer 7.
Through above-mentioned technical scheme, through increasing locking bolt 4, be convenient for drive rotation push pedal 9 promote connecting rod 8 and remove, can effectually with the sealing washer 7 on connecting pipe 3 surface tightly laminate in the surface of connection pad 2, prevent to appear leaking in the in-process of using, improved the use leakproofness of equipment, not only solved staff's trouble, also satisfied staff's demand.
Specifically, the surface of the sealing ring 7 is coated with a corrosion-resistant coating 10, and the inner cavity of the corrosion-resistant coating 10 comprises a phenolic acid-resistant coating 101, a chlorinated rubber coating 102 and a chlorosulfonated polyethylene coating 103.
Through the technical scheme, the corrosion resistance effect can be achieved by adding the corrosion resistance coating 10, the phenolic acid resistance coating 101, the chlorinated rubber coating 102 and the chlorosulfonated polyethylene coating 103, the sealing ring 7 is prevented from being corroded and broken after long-time use, and the service life of the sealing ring 7 is prolonged.
Specifically, the inner surface of chlorosulfonated polyethylene coating 103 is coated on the outer surface of chlorinated rubber coating 102, and the inner surface of chlorinated rubber coating 102 is coated on the outer surface of phenolic acid-resistant coating 101.
Through above-mentioned technical scheme, through setting up the thickness between each layer, improved corrosion-resistant effect.
Specifically, the chlorosulfonated polyethylene coating 103 has a thickness greater than that of the chlorinated rubber coating 102, and the chlorinated rubber coating 102 has a thickness greater than that of the phenolic acid-resistant coating 101.
Through above-mentioned technical scheme, through setting up the thickness between each layer, improved corrosion-resistant efficiency greatly.
Specifically, one side of the connecting rod 8 is fixedly connected with the surface of the connecting pipe 3, and the surface of the connecting disc 2 is provided with a mounting hole.
Through above-mentioned technical scheme, through increasing the mounting hole, be convenient for carry out the erection joint to connecting pipe 3 and connection pad 2.
The working principle of the utility model is that; firstly, the user is attached one end of connecting pipe 3 and the surface of connection pad 2, secondly, the user takes out locking seat 5, and the card is on the surface of connection pad 2 and connecting rod 8, then the user twists locking bolt 4 and rotates, through locking bolt 4 rotation promotion rotation push pedal 9 removal, through rotation push pedal 9 removal promotion connecting rod 8 removal, it moves to drive connecting pipe 3 through connecting rod 8 removal, it moves to drive sealing washer 7 through connecting pipe 3, it is closely attached to the surface of connection pad 2 to move through sealing washer 7, prevent to appear leaking in the in-process of using, then the user takes out the mounting bolt, through the mounting hole on connection pad 2 surface, with connection pad 2 with connecting pipe 3 install can, through increasing corrosion-resistant coating 10, phenolic acid-resistant coating 101, chlorinated rubber coating 102 and chlorosulfonated polyethylene coating 103, can play corrosion-resistant effect, prevent that sealing washer 7 from appearing corroding the fracture in long-time use, the life of sealing washer 7 has been improved.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the technical solution of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.
Claims (5)
1. The utility model provides a check valve that sealing performance is reliable, includes check valve body (1), its characterized in that: the check valve comprises a check valve body (1), wherein connecting discs (2) are fixedly connected to two sides of the check valve body (1), connecting pipes (3) are connected to one side of each connecting disc (2) in a laminating mode, locking seats (5) are connected to one side of each connecting pipe (3) in a laminating mode, locking bolts (4) are movably connected to one side of each locking seat (5), nuts (6) are connected to one side of each locking bolt (4) in a penetrating mode through inner cavity threaded mode of each locking seat (5), a rotary push plate (9) is fixedly connected to one side of each nut (6), connecting rods (8) are connected to one side of each rotary push plate (9) in a laminating mode, and sealing rings (7) are arranged on one side of each connecting pipe (3).
2. A reliable-sealing check valve according to claim 1, wherein: the surface of the sealing ring (7) is coated with a corrosion-resistant coating (10), and the inner cavity of the corrosion-resistant coating (10) comprises a phenolic acid-resistant coating (101), a chlorinated rubber coating (102) and a chlorosulfonated polyethylene coating (103).
3. A reliable-sealing check valve according to claim 2, wherein: the inner surface of the chlorosulfonated polyethylene coating (103) is coated on the outer surface of the chlorinated rubber coating (102), and the inner surface of the chlorinated rubber coating (102) is coated on the outer surface of the phenolic acid-resistant coating (101).
4. A reliable-sealing check valve according to claim 2, wherein: the thickness of the chlorosulfonated polyethylene coating (103) is larger than that of the chlorinated rubber coating (102), and the thickness of the chlorinated rubber coating (102) is larger than that of the phenolic acid-resistant coating (101).
5. A reliable-sealing check valve according to claim 1, wherein: one side of the connecting rod (8) is fixedly connected with the surface of the connecting pipe (3), and the surface of the connecting disc (2) is provided with a mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321938268.0U CN220151958U (en) | 2023-07-21 | 2023-07-21 | Check valve with reliable sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321938268.0U CN220151958U (en) | 2023-07-21 | 2023-07-21 | Check valve with reliable sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151958U true CN220151958U (en) | 2023-12-08 |
Family
ID=89013826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321938268.0U Active CN220151958U (en) | 2023-07-21 | 2023-07-21 | Check valve with reliable sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151958U (en) |
-
2023
- 2023-07-21 CN CN202321938268.0U patent/CN220151958U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |