CN220956975U - One-way valve with strong stability - Google Patents
One-way valve with strong stability Download PDFInfo
- Publication number
- CN220956975U CN220956975U CN202322265013.9U CN202322265013U CN220956975U CN 220956975 U CN220956975 U CN 220956975U CN 202322265013 U CN202322265013 U CN 202322265013U CN 220956975 U CN220956975 U CN 220956975U
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- China
- Prior art keywords
- valve
- valve body
- sealing
- sleeve
- sealing rings
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- 238000007789 sealing Methods 0.000 claims abstract description 72
- 239000012530 fluid Substances 0.000 claims description 8
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Check Valves (AREA)
Abstract
The utility model discloses a one-way valve with high stability, which comprises a valve body, wherein two valve cores and two sealing rings are arranged in the valve body, two ends of the valve body are connected with connecting sleeves, and a jacking assembly is arranged in the connecting sleeve and is used for respectively pushing the two sealing rings so that the two sealing rings are respectively contacted with opposite ends of the two valve cores. The beneficial effects are that: the two jacking assemblies are driven by the two connecting sleeves to jack the two sealing rings, so that the two sealing rings are in close contact with the two valve cores, the tightness between the valve cores and the valve body is ensured, when the sealing rings are required to be replaced or the valve cores are required to be maintained, the connecting sleeves are rotated, the connecting sleeves are taken down from the valve body, the sealing rings and the valve cores can be directly taken out from the valve body, the maintenance is convenient, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of one-way valves, in particular to a one-way valve with high stability.
Background
In the process of petroleum exploitation, particularly in the operation occasions of continuous oil pipes, casings, drill pipes and the like, one-way valves are often required to be used. In severe conditions of high flow rate and high pressure, the check valve needs to be ensured to have corresponding stability. The damage rate is higher when current check valve uses, and the reason is mainly because sealing mechanism is single, and in case certain part damages, the check valve will pick up the leakproofness, and the leakproofness of check valve is mainly realized through the cooperation of inner structure and sealing washer, and the sealing washer is mostly rubber material, needs to be changed before its ageing, and current check valve inner structure is complicated, and difficult dismantlement is difficult to maintain, guarantees the normal operating of oil circuit through adopting the mode of wholly changing the check valve, and the cost is great.
Disclosure of utility model
The present utility model aims to solve the above problems and to provide a one-way valve with high stability, as will be described in detail below.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The utility model provides a one-way valve with high stability, which comprises a valve body, wherein two valve cores and two sealing rings are arranged in the valve body, two ends of the valve body are connected with connecting sleeves, and a jacking assembly is arranged in the connecting sleeve and is used for respectively pushing the two sealing rings so that the two sealing rings are respectively contacted with opposite ends of the two valve cores.
By adopting the one-way valve with strong stability, the two valve cores are inserted into the valve body, the two sealing rings are respectively placed at the two ends of the valve body, the two connecting sleeves are respectively connected to the two ends of the valve body, the two sealing rings are propped by the two propping assemblies, so that the two sealing rings are in close contact with the two valve cores, the tightness between the valve cores and the valve body is ensured, when the sealing rings are required to be replaced or the valve cores are required to be maintained, the connecting sleeves are rotated, the connecting sleeves are taken down from the valve body, and then the sealing rings and the valve cores can be directly taken out from the valve body.
Preferably, the valve core comprises a valve core main body, the valve core main body is arranged in the valve body in a sliding manner, a conical cavity is arranged in the valve core main body, a rubber sleeve is arranged in the conical cavity, a sealing groove is arranged at the end part of the valve core main body, a sealing gasket is arranged in the sealing groove, a pushing assembly is arranged on the valve core main body, a shell is arranged on the pushing assembly, a sealing ball is arranged in the shell, the sealing ball is in contact with the rubber sleeve, and the shell is spliced with the sealing groove.
Preferably, the rubber sleeve is completely attached to the conical cavity in the valve core main body, and a retainer ring is arranged in the conical cavity and used for resisting the narrow opening of the rubber sleeve.
Preferably, the pushing assembly comprises a fixing frame, the fixing frame is arranged on the valve core main body, a telescopic rod is arranged on the fixing frame, a shell is fixed at the movable end of the telescopic rod, a spring is sleeved on the surface of the telescopic rod, and two ends of the spring are respectively fixed with the shell and the fixing frame.
Preferably, the sealing ring comprises a fixing ring, a rubber ring is fixed on the fixing ring, the rubber ring is in contact with the valve core main body, and the fixing ring is in clearance fit with the inner wall of the valve body.
Preferably, the top support assembly comprises a fixing sleeve, the fixing sleeve is fixed in the connecting sleeve through two connecting rods, and the fixing sleeve is in contact with the fixing ring.
Preferably, the valve body surface is provided with a marking for indicating the direction of fluid flow.
Preferably, the valve body is in sealing connection with the two connecting sleeves in a threaded manner.
The beneficial effects are that:
1. The two jacking assemblies are driven by the two connecting sleeves to jack the two sealing rings, so that the two sealing rings are tightly contacted with the two valve cores, the tightness between the valve cores and the valve body is ensured, when the sealing rings are required to be replaced or the valve cores are required to be maintained, the connecting sleeves are rotated, the connecting sleeves are taken down from the valve body, the sealing rings and the valve cores can be directly taken out from the valve body, the maintenance is convenient, and the cost is saved;
2. the valve core has double sealing measures, the sealing ball is matched with the rubber sleeve to realize closure sealing, and the shell is matched with the sealing groove and the sealing gasket to realize sealing, so that the stability of the valve core can be improved, and the double insurance of sealing performance is realized.
3. The sealing ball is matched with the conical cavity of the valve core body, so that the valve can be suitable for a high-pressure environment, and the sealing performance between the sealing ball and the conical cavity is higher as the fluid pressure is higher.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic elevational view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is a schematic diagram of the cross-sectional elevation of the valve body of the present utility model;
fig. 4 is an exploded view of the valve cartridge of the present utility model.
The reference numerals are explained as follows:
1. A valve body; 2. a logo; 3. connecting sleeves; 4. a jacking assembly; 5. a connecting rod; 6. a fixed sleeve; 7. a seal ring; 8. a valve core; 9. a fixing ring; 10. a rubber ring; 11. a valve core main body; 12. a sealing gasket; 13. a rubber sleeve; 14. a retainer ring; 15. a housing; 16. a sealing ball; 17. a pushing assembly; 18. a fixing frame; 19. a telescopic rod; 20. and (3) a spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.
Referring to fig. 1-4, the utility model provides a one-way valve with strong stability, which comprises a valve body 1, wherein two valve cores 8 and two sealing rings 7 are arranged in the valve body 1, two ends of the valve body 1 are connected with connecting sleeves 3, a top support assembly 4 is arranged in each connecting sleeve 3, the two top support assemblies 4 are used for respectively pushing the two sealing rings 7 to enable the two sealing rings 7 to respectively contact with opposite ends of the two valve cores 8, a mark 2 is arranged on the surface of the valve body 1, the mark 2 is used for explaining the flowing direction of fluid, and the valve body 1 is in sealing connection with the two connecting sleeves 3 in a threaded mode.
As an alternative embodiment, the valve core 8 includes a valve core main body 11, the valve core main body 11 is slidably arranged in the valve body 1, a cone cavity is arranged in the valve core main body 11, a rubber sleeve 13 is arranged in the cone cavity, a sealing groove is arranged at the end part of the valve core main body 11, a sealing gasket 12 is arranged in the sealing groove, a pushing component 17 is arranged on the valve core main body 11, a shell 15 is arranged on the pushing component 17, a sealing ball 16 is arranged in the shell 15, the sealing ball 16 is in contact with the rubber sleeve 13, and the shell 15 is spliced with the sealing groove. The fluid impacts the sealing ball 16, so that the sealing ball 16 is separated from the rubber sleeve 13, circulation can be realized, when the fluid reversely flows, the sealing ball 16 is tightly attached to the rubber sleeve 13, the higher the water pressure is, the better the tightness is, and double insurance can be realized through the cooperation of the shell 15 and the sealing groove. The rubber sleeve 13 is completely attached to the conical cavity in the valve core main body 11, the retainer ring 14 is arranged in the conical cavity, the retainer ring 14 is used for resisting the narrow opening of the rubber sleeve 13, and the retainer ring 14 is arranged to prevent fluid from directly impacting the rubber sleeve 13, so that a gap is formed between the rubber sleeve 13 and the conical cavity.
The pushing assembly 17 comprises a fixing frame 18, the fixing frame 18 is arranged on the valve core main body 11, a telescopic rod 19 is arranged on the fixing frame 18, a shell 15 is fixed at the movable end of the telescopic rod 19, a spring 20 is sleeved on the surface of the telescopic rod 19, and two ends of the spring 20 are respectively fixed with the shell 15 and the fixing frame 18. The sealing ring 7 comprises a fixing ring 9, a rubber ring 10 is fixed on the fixing ring 9, the rubber ring 10 is in contact with a valve core main body 11, and the fixing ring 9 is in clearance fit with the inner wall of the valve body 1. The valve is maintained in a normally closed state when fluid is not flowing by pushing the sealing ball 16 and the housing 15 by the pushing assembly 17. The top support assembly 4 comprises a fixed sleeve 6, the fixed sleeve 6 is fixed in the connecting sleeve 3 through two connecting rods 5, the fixed sleeve 6 is in contact with a fixed ring 9, and sealing rings 7 are arranged to ensure tightness between the valve core 8 and the valve body 1.
By adopting the structure, the two valve cores 8 are inserted into the valve body 1, the two sealing rings 7 are respectively placed at two ends of the valve body 1, the two connecting sleeves 3 are respectively connected to two ends of the valve body 1, the two sealing rings 7 are propped by the two propping assemblies 4, so that the two sealing rings 7 are in close contact with the two valve cores 8, the tightness between the valve cores 8 and the valve body 1 is ensured, when the sealing rings 7 are required to be replaced or the valve cores 8 are required to be maintained, the connecting sleeves 3 are rotated, the connecting sleeves 3 are taken down from the valve body 1, and then the sealing rings 7 and the valve cores 8 can be directly taken out from the valve body 1.
The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (7)
1. A check valve that stability is strong, its characterized in that: including valve body (1), be provided with two case (8) and two sealing rings (7) in valve body (1), valve body (1) both ends all are connected with adapter sleeve (3), be provided with in adapter sleeve (3) and prop subassembly (4), two prop subassemblies (4) are used for promoting two sealing rings (7) respectively, make two sealing rings (7) respectively with the contact of the opposite ends of two case (8), case (8) include case main part (11), case main part (11) slide and set up in valve body (1), be provided with cone die cavity in case main part (11), and be provided with rubber sleeve (13) in the cone die cavity, case main part (11) tip is provided with the seal groove, and is provided with sealing washer (12) in the seal groove, be provided with on case main part (11) and promote subassembly (17), be provided with sealing ball (16) in case (15), sealing ball (16) contact with rubber sleeve (13), case (15) are pegged graft with the seal groove.
2. A strong stability check valve according to claim 1, wherein: the rubber sleeve (13) is completely attached to the conical cavity in the valve core main body (11), a retainer ring (14) is arranged in the conical cavity, and the retainer ring (14) is used for resisting the narrow opening of the rubber sleeve (13).
3. A strong stability check valve according to claim 1, wherein: the pushing assembly (17) comprises a fixing frame (18), the fixing frame (18) is arranged on the valve core main body (11), a telescopic rod (19) is arranged on the fixing frame (18), a shell (15) is fixed at the movable end of the telescopic rod (19), a spring (20) is sleeved on the surface of the telescopic rod (19), and two ends of the spring (20) are respectively fixed with the shell (15) and the fixing frame (18).
4. A strong stability check valve according to claim 1, wherein: the sealing ring (7) comprises a fixing ring (9), a rubber ring (10) is fixed on the fixing ring (9), the rubber ring (10) is in contact with the valve core main body (11), and the fixing ring (9) is in clearance fit with the inner wall of the valve body (1).
5. The robust one-way valve of claim 4, wherein: the top support assembly (4) comprises a fixing sleeve (6), the fixing sleeve (6) is fixed in the connecting sleeve (3) through two connecting rods (5), and the fixing sleeve (6) is in contact with the fixing ring (9).
6. A strong stability check valve according to claim 1, wherein: the surface of the valve body (1) is provided with a sign (2), and the sign (2) is used for indicating the direction of fluid flow.
7. A strong stability check valve according to claim 1, wherein: the valve body (1) is in sealing connection with the two connecting sleeves (3) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265013.9U CN220956975U (en) | 2023-08-23 | 2023-08-23 | One-way valve with strong stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322265013.9U CN220956975U (en) | 2023-08-23 | 2023-08-23 | One-way valve with strong stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220956975U true CN220956975U (en) | 2024-05-14 |
Family
ID=91014520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322265013.9U Active CN220956975U (en) | 2023-08-23 | 2023-08-23 | One-way valve with strong stability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220956975U (en) |
-
2023
- 2023-08-23 CN CN202322265013.9U patent/CN220956975U/en active Active
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