CN220505887U - Check valve with good sealing performance - Google Patents
Check valve with good sealing performance Download PDFInfo
- Publication number
- CN220505887U CN220505887U CN202322334099.6U CN202322334099U CN220505887U CN 220505887 U CN220505887 U CN 220505887U CN 202322334099 U CN202322334099 U CN 202322334099U CN 220505887 U CN220505887 U CN 220505887U
- Authority
- CN
- China
- Prior art keywords
- check
- check valve
- water
- valve
- valve seat
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000001914 filtration Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000007792 addition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model provides a check valve with good sealing performance, and belongs to the technical field of check valves. The check valve solves the problem that the existing check valve is easy to block and is blocked, and the check valve is poor in tightness. This check valve that leakproofness is good, including the check valve body, this internal valve ball that is provided with of check valve, be connected with the valve rod on the valve ball, have the inlet channel that is used for intaking on the check valve body, be provided with the play water spare on the check valve body, this internal sealed disk seat of being provided with of check valve, the position department of play water spare and valve ball still is provided with sealed disk seat two, the valve ball rotates on sealed disk seat one and sealed disk seat two, be provided with check mechanism on sealed disk seat two, check mechanism comprises check piece, fixed part and coupling spring, be provided with manger plate portion on the sealed disk seat two, the trompil has been seted up on the manger plate portion, be provided with filter element on the sealed disk seat two, be provided with a plurality of end cap on the check piece. The utility model has the advantages of good sealing performance and long service life.
Description
Technical Field
The utility model belongs to the technical field of check valves, relates to a check valve, and in particular relates to a check valve with good sealing performance.
Background
The check valve is a valve for preventing the medium from flowing backward by automatically opening and closing a valve flap depending on the flow of the medium, and is also called a check valve, a one-way valve, a reverse flow valve, and a back pressure valve. The check valve is an automatic valve and has the main functions of preventing the medium from flowing backwards, preventing the reverse rotation of the pump and the driving motor and preventing the medium in the container from leaking.
There are many types of check valves on the market that vary in construction and in location and method of installation. However, the existing check valve has the problems of easy blockage and poor tightness.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a check valve with good sealing performance and long service life.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a check valve that leakproofness is good, includes the check valve body, this internal valve ball that is provided with of check valve, the valve ball on be connected with the valve rod, the check valve body on have the inlet channel that is used for intaking, the check valve body on can dismantle and be provided with the play water spare that is used for the play water, its characterized in that, this internal and position department for the inlet channel of check valve be provided with sealed disk seat one, the position department of play water spare and valve ball still be provided with sealed disk seat two, the valve ball rotate on sealed disk seat one and sealed disk seat two, sealed disk seat two on be provided with the check mechanism that is used for preventing the backward flow, check mechanism constitute by check piece, fixed part and connecting spring, sealed disk seat two on be provided with the manger plate portion, sealed disk seat two on be provided with the trompil that is used for the water, sealed disk seat two on be provided with the filter unit that is used for filtering, check piece on be provided with a plurality of and fixed part assorted end cap.
In the check valve with good sealing performance, the second sealing valve seat is internally provided with the cavity, the fixing part is fixedly arranged in the cavity, the fixing part is provided with a plurality of water passing holes for passing water, the water passing holes are matched with the plugs, the water retaining part is provided with the mounting groove, the check piece is in a T-shaped structure, and one end of the check piece extends into the mounting groove and is connected with the connecting spring and controlled by the connecting spring.
In the check valve with good sealing performance, the filter assembly comprises a filter screen and a filter framework, the front end of the sealing valve seat is provided with a protruding portion, the inner wall of the filter framework is connected with the outer wall of the protruding portion, and the filter screen is used for filtering liquid passing through the second opening of the sealing valve seat.
In the check valve with good sealing performance, the number of the plugs is the same as the number of the water passing holes in the fixing part.
Compared with the prior art, the check valve with good tightness seals the inside of the check valve body through the first sealing valve seat and the second sealing valve seat, so that the tightness of the inside of the check valve body is enhanced, and the novel check structure arranged on the first sealing valve seat is convenient to install and has a filtering effect.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
In the figure, 1, a check valve body; 2. a valve ball; 3. a valve stem; 4. a water inlet pipe; 5. a water outlet member; 6. sealing the valve seat I; 7. sealing a valve seat II; 8. a check member; 9. a fixing part; 10. a connecting spring; 11. a water blocking part; 12. opening holes; 13. a plug; 14. a water passing hole; 15. a mounting groove; 16. a filter screen; 17. a filter skeleton; 18. a boss.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 and 2, the check valve with good tightness comprises a check valve body 1, a valve ball 2 is arranged in the check valve body 1, a valve rod 3 is connected to the valve ball 2, a water inlet pipeline 4 for water inflow is arranged on the check valve body 1, a water outlet piece 5 for water outflow is detachably arranged on the check valve body 1, a sealing valve seat I6 is arranged in the check valve body 1 and opposite to the water inlet pipeline 4, a sealing valve seat II 7 is further arranged at the position of the water outlet piece 5 and the valve ball 2, the valve ball 2 rotates on the sealing valve seat I6 and the sealing valve seat II 7, through holes for water flowing are formed in the sealing valve seat I6, a check mechanism for preventing backflow is arranged on the sealing valve seat II 7, the check mechanism is composed of a check valve 8, a fixing part 9 and a connecting spring 10, a water blocking part 11 is arranged on the sealing valve seat II, an opening 12 for water blocking is formed in the check valve body 1, a plurality of filtering plugs 9 are arranged on the sealing valve seat II, and a plurality of filtering plugs 13 are arranged on the sealing valve seat II.
Further, the liquid flows in from the water inlet pipeline 4, flows out from the water outlet part 5 through the first sealing valve seat 6, the valve ball 2 and the second sealing valve seat 7 in sequence, when the valve ball 2 is in an open state, the liquid applies pressure to the plug 13 at the water outlet hole 14 on the second sealing valve seat 7 through the first sealing valve seat 6 and the valve ball 2, the connecting spring 10 compresses, the check piece 8 moves backwards, the water outlet hole 14 is in an open state, after the valve ball 2 is closed, the connecting spring 10 rebounds, the plug 13 is matched with the water outlet hole 14 on the fixed part 9, so that the water outlet hole 14 is in a closed state, and the liquid at the water outlet pipeline is prevented from flowing back.
Further, the sealing valve seat II 7 is internally provided with a cavity, the fixing part 9 is fixedly arranged in the cavity, the fixing part 9 is provided with a plurality of water passing holes 14 for passing water, the water passing holes 14 are matched with the plugs 13, the water retaining part 11 is provided with mounting grooves 15, the check piece 8 is in a T-shaped structure, and one end of the check piece 8 extends into the mounting grooves 15 and is connected with the connecting spring 10 and controlled by the connecting spring 10.
Further, the filter assembly comprises a filter screen 16 and a filter framework 17, the front end of the sealing valve seat is provided with a protruding portion 18, the inner wall of the filter framework 17 is connected with the outer wall of the protruding portion 18, and the filter screen 16 is used for filtering liquid passing through the opening 12 of the second 7 sealing valve seat.
Further, the number of plugs 13 is the same as the number of water holes 14 on the fixing part 9.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the terms of the check valve body 1, the valve ball 2, the valve stem 3, the water inlet pipe 4, the water outlet 5, the first sealing valve seat 6, the second sealing valve seat 7, the check member 8, the fixing portion 9, the connecting spring 10, the water blocking portion 11, the opening 12, the plug 13, the water passing hole 14, the mounting groove 15, the filter screen 16, the filter frame 17, the boss 18, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (4)
1. A check valve with good sealing performance, which comprises a check valve body (1), wherein a valve ball (2) is arranged in the check valve body (1), the valve ball (2) is connected with a valve rod (3), the check valve body (1) is provided with a water inlet pipeline (4) for water inflow, a water outlet piece (5) for discharging water is detachably arranged on the check valve body (1), it is characterized in that a sealing valve seat I (6) is arranged in the check valve body (1) and at the position corresponding to the water inlet pipeline (4), the position of the water outlet piece (5) and the valve ball (2) is also provided with a sealing valve seat II (7), the valve ball (2) rotates on the first sealing valve seat (6) and the second sealing valve seat (7), the second sealing valve seat (7) is provided with a check mechanism for preventing backflow, the non-return mechanism consists of a non-return piece (8), a fixing part (9) and a connecting spring (10), a water retaining part (11) is arranged on the second sealing valve seat (7), the water blocking part (11) is provided with an opening (12) for water passing, the sealing valve seat II (7) is provided with a filtering component for filtering, and the check piece (8) is provided with a plurality of plugs (13) matched with the fixing part (9).
2. The check valve with good sealing performance according to claim 1, wherein the sealing valve seat II (7) is internally provided with a cavity, the fixing part (9) is fixedly arranged in the cavity, a plurality of water passing holes (14) for passing water are formed in the fixing part (9), the water passing holes (14) are matched with the plugs (13), the water blocking part (11) is provided with mounting grooves (15), the check piece (8) is in a T-shaped structure, and one end of the check piece (8) extends into the mounting grooves (15) and is connected with the connecting spring (10) and controlled by the connecting spring (10).
3. The check valve with good sealing performance according to claim 1, wherein the filter assembly comprises a filter screen (16) and a filter framework (17), the front end of the sealing valve seat is provided with a protruding portion (18), the inner wall of the filter framework (17) is connected with the outer wall of the protruding portion (18), and the filter screen (16) is used for filtering liquid passing through the opening (12) of the second sealing valve seat (7).
4. A non-return valve with good tightness according to claim 2, characterized in that the number of plugs (13) is the same as the number of water holes (14) in the fixing part (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322334099.6U CN220505887U (en) | 2023-08-29 | 2023-08-29 | Check valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322334099.6U CN220505887U (en) | 2023-08-29 | 2023-08-29 | Check valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220505887U true CN220505887U (en) | 2024-02-20 |
Family
ID=89870414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322334099.6U Active CN220505887U (en) | 2023-08-29 | 2023-08-29 | Check valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220505887U (en) |
-
2023
- 2023-08-29 CN CN202322334099.6U patent/CN220505887U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220505887U (en) | Check valve with good sealing performance | |
| CN212004472U (en) | Hard seal flange butterfly valve with filtering effect | |
| CN218326383U (en) | Check valve | |
| CN213271167U (en) | Valve fitting capable of stopping water return | |
| CN213809043U (en) | Low-resistance check valve | |
| CN212226092U (en) | Water supply equipment with backflow prevention function | |
| CN218207921U (en) | Ball valve with filtering and non-return functions | |
| CN220850857U (en) | Pipeline joint type one-way throttle valve | |
| CN219263501U (en) | Check valve convenient to assemble and disassemble | |
| CN220354553U (en) | Low resistance backflow preventer | |
| CN209943600U (en) | Low-resistance backflow preventer | |
| CN220600538U (en) | Check valve | |
| CN217539742U (en) | High pressure resistant combination canned type check valve | |
| CN221323380U (en) | Diaphragm valve | |
| CN215635165U (en) | Novel check valve | |
| CN219692353U (en) | Filterable multi-caliber check valve | |
| CN215334667U (en) | Stop valve with non-return function | |
| CN221257774U (en) | Check valve joint | |
| CN211852904U (en) | Swing check valve | |
| CN212960024U (en) | Ball valve with non-return function | |
| CN221034127U (en) | Check valve with filtering capability | |
| CN219062505U (en) | Four-piece type duplex ball check valve | |
| CN219809448U (en) | Check valve with closed chamber | |
| CN204709935U (en) | The convenient filter installing filter core | |
| CN220505888U (en) | Spherical air bag type pipe clamp valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |