CN219809462U - One-way valve with adjustable opening pressure - Google Patents
One-way valve with adjustable opening pressure Download PDFInfo
- Publication number
- CN219809462U CN219809462U CN202321170553.2U CN202321170553U CN219809462U CN 219809462 U CN219809462 U CN 219809462U CN 202321170553 U CN202321170553 U CN 202321170553U CN 219809462 U CN219809462 U CN 219809462U
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- China
- Prior art keywords
- valve
- cavity
- valve body
- spring
- plug
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- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000005336 cracking Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Abstract
The utility model discloses a one-way valve with adjustable opening pressure, which comprises a valve body, wherein one end of the valve body is provided with a plug, a valve core is arranged in the valve body, a first cavity and a second cavity are formed in the valve body, the valve core is tightly sleeved with the one-way valve, a liquid outlet hole communicated with the first cavity is formed in the side wall of the valve body, one end of the valve core is provided with a pole, the middle position of the pole is provided with a baffle ring in the second cavity, the plug is in threaded connection with the valve body, a spring is sleeved on the pole, and two ends of the spring are abutted against the plug and the baffle ring. The plug is connected with the valve body through threads, the position of the plug in the second cavity is conveniently adjusted according to needs, the spring is sleeved on the post rod, one end of the spring is connected with the plug in an abutting mode, the other end of the spring is connected with the stop ring in an abutting mode, the spring is deformed through the plug, and then the opening pressure of the one-way valve is changed, and production requirements are met.
Description
Technical Field
The utility model belongs to the technical field of one-way valves, and particularly relates to a one-way valve with an adjustable opening pressure.
Background
The one-way valve is also called as a check valve or a check valve, and is a valve body which can only flow along a water inlet and cannot flow back a water outlet medium. The existing one-way valve can only realize basic functions, can not adjust the opening pressure of the one-way valve according to the needs, and can not meet the production needs.
Disclosure of Invention
In order to solve the problems, the utility model provides a one-way valve with adjustable opening pressure.
The utility model is realized in the following way: the one-way valve with adjustable opening pressure comprises a valve body, wherein one end of the valve body is opened, the other end of the valve body is provided with a plug, a valve core is arranged in the valve body, one end of the valve core penetrates through the opening of the valve body and moves in the valve body, a first cavity is formed in the middle position of one end of the valve body opening and is used for placing the one-way valve, a second cavity is formed in the middle position of the other end of the valve body and is used for placing a pole and a spring,
the valve core in the first cavity is tightly sleeved with a one-way valve, the one-way valve moves along the valve core, the maximum outer diameter of the one-way valve is the same as the inner diameter of the first cavity, the tight contact between the outer edge of the one-way valve and the inner wall of the valve body is ensured, liquid leakage is prevented, one end of the opening of the valve body is fixedly provided with a valve seat, the inner diameter of the valve seat is smaller than the outer diameter of the one-way valve, the movable area of the one-way valve is limited, the one-way valve is prevented from being separated from the first cavity, a plurality of liquid outlet holes are uniformly formed in the side wall of the valve body, which is close to one end of the valve seat, the liquid outlet holes are communicated with the first cavity, the one-way valve is jacked by liquid and flows out from the liquid outlet holes,
the valve core is close to the fixed pole that is provided with of one end of second cavity, the one end of pole sets up in the second cavity, the middle part position of pole just is located the fixed baffle ring that is provided with in the second cavity, baffle ring and the inner wall of valve body support together, inject the removal region of pole, the end cap is in the same place with valve body threaded connection, is convenient for adjust the position of end cap in the second cavity as required, is located the cover is equipped with the spring on the pole in the second cavity, the one end and the end cap butt of spring are in the same place, the other end and the baffle ring butt of spring are in the same place, clockwise rotation end cap makes the end cap go deep into in the second cavity, compresses the spring, increases the cracking pressure of check valve, anticlockwise rotation end cap, reduces the degree of depth of end cap in the second cavity, and the spring stretches, reduces the cracking pressure of check valve.
Preferably, one end of the valve core penetrating through the valve seat is sleeved with a plunger, the plunger pushes the valve core to move to one side of the second cavity under the action of external force, liquid pushes the one-way valve to one side of the second cavity along with the plunger, and the liquid flows out of the liquid outlet hole after passing through the center of the valve seat and the first cavity.
Preferably, the diameter of the post is larger than the diameter of the valve core.
Preferably, sealing rings are arranged at the joint of the post rod and the valve body and the joint of the check valve and the valve core, so that tight connection between the post rod and the valve body and between the check valve and the valve core are ensured, and leakage is prevented.
The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, the plug is connected with the valve body through threads, the position of the plug in the second cavity can be conveniently adjusted according to the requirement, the spring is sleeved on the post rod, one end of the spring is abutted with the plug, the other end of the spring is abutted with the baffle ring, the spring is deformed through the plug, and the opening pressure of the one-way valve is changed, so that the production requirement is met.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a side view of the present utility model;
in the figure: 1. a valve body; 2. a plug; 3. a valve core; 4. a first cavity; 5. a second cavity; 6. a one-way valve; 7. a valve seat; 8. a liquid outlet hole; 9. a post; 10. a baffle ring; 11. a spring; 12. a plunger; 13. and (3) sealing rings.
Detailed Description
In order to make the technical solution of the present utility model more clearly understood, the present utility model will be further described with reference to the accompanying drawings.
The one-way valve with adjustable opening pressure as shown in figures 1 and 2 comprises a valve body 1, wherein one end of the valve body 1 is opened, the other end is provided with a plug 2, a valve core 3 is arranged in the valve body 1, one end of the valve core 3 penetrates through the opening of the valve body 1, the valve core 3 moves in the valve body 1, a first cavity 4 is formed in the middle position of one end of the opening of the valve body 1, the one-way valve 6 is placed, a second cavity 5 is formed in the middle position of the other end of the valve body 1, a column rod 9 and a spring 11 are placed, the valve core 3 in the first cavity 4 is tightly sleeved with the one-way valve 6, the one-way valve 6 moves along the valve core 3, the maximum outer diameter of the one-way valve 6 is the same as the inner diameter of the first cavity 4, the outer edge of the one-way valve 6 is ensured to be in tight contact with the inner wall of the valve body 1, and leakage is prevented, the valve body 1 is fixedly provided with a valve seat 7 at one end of an opening, the inner diameter of the valve seat 7 is smaller than the outer diameter of the one-way valve 6, the movable area of the one-way valve 6 is limited, the one-way valve 6 is prevented from being separated from the first cavity 4, a plurality of liquid outlet holes 8 are uniformly formed in the side wall of the valve body 1, which is close to one end of the valve seat 7, the liquid outlet holes 8 are communicated with the first cavity 4, a plunger 12 is sleeved at one end of the valve core 3, which penetrates through the valve seat 7, the plunger 12 pushes the valve core 3 to move towards the second cavity 5 under the action of external force, liquid pushes the one-way valve 6 towards the second cavity 5 along with the plunger, the liquid flows out of the liquid outlet holes 8 after passing through the center of the valve seat 7 and the first cavity 4, a post 9 is fixedly arranged at one end of the valve core 3, which is close to the second cavity 5, the diameter of the post 9 is larger than the diameter of the valve core 3, one end of the post 9 is arranged in the second cavity 5, the middle position of the post rod 9 and the position in the second cavity 5 are fixedly provided with a baffle ring 10, the baffle ring 10 is propped against the inner wall of the valve body 1 to limit the moving area of the post rod 9, the plug 2 is connected with the valve body 1 through threads, the position of the plug 2 in the second cavity 5 is convenient to adjust according to the requirement, a spring 11 is sleeved on the post rod 9 in the second cavity 5, one end of the spring 11 is propped against the plug 2, the other end of the spring 11 is propped against the baffle ring 10, the plug 2 is rotated clockwise, the plug 2 is enabled to extend into the second cavity 5, the spring 11 is compressed, the opening pressure of the check valve 6 is increased, the plug 2 is rotated anticlockwise, the depth of the plug 2 in the second cavity 5 is reduced, the spring 11 stretches, and the opening pressure of the check valve 6 is reduced.
Sealing rings 13 are arranged at the joint of the post rod 9 and the valve body 1 and the joint of the check valve 6 and the valve core 3, so that tight connection between the post rod 9 and the valve body 1 and tight connection between the check valve 6 and the valve core 3 are ensured, and leakage is prevented.
The plug 2 is rotated clockwise, so that the plug 2 is deep into the second cavity 5, the spring 11 is compressed, when the plunger 12 pushes the valve core 3 to move to the side of the second cavity 5 under the action of external force, a larger force is needed to overcome the elasticity of the spring 11, the valve core 3 moves to the side of the second cavity 5, and the opening pressure of the one-way valve 6 is further increased; the plug 2 is rotated anticlockwise, the depth of the plug 2 in the second cavity 5 is reduced, the spring 11 is stretched, when the plunger 12 pushes the valve core 3 to move to the side of the second cavity 5 under the action of external force, the elasticity of the spring 11 can be overcome by using smaller force, the valve core 3 moves to the side of the second cavity 5, and then the opening pressure of the one-way valve 6 is reduced.
The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.
Claims (4)
1. The one-way valve with adjustable opening pressure comprises a valve body, wherein one end of the valve body is opened, the other end of the valve body is provided with a plug, a valve core is arranged in the valve body, one end of the valve core penetrates through the opening of the valve body, the one-way valve is characterized in that a first cavity is formed in the middle position of one end of the valve body opening, a second cavity is formed in the middle position of the other end of the valve body,
a check valve is tightly sleeved on a valve core positioned in the first cavity, the maximum outer diameter of the check valve is the same as the inner diameter of the first cavity, a valve seat is fixedly arranged at one end of the opening of the valve body, the inner diameter of the valve seat is smaller than the outer diameter of the check valve, a plurality of liquid outlet holes are uniformly formed in the side wall of the valve body, which is close to one end of the valve seat, and the liquid outlet holes are communicated with the first cavity,
the valve core is close to the fixed pole that is provided with of one end of second cavity, the one end of pole sets up in the second cavity, the middle part position of pole just is located the second cavity internal fixation and is provided with the baffle ring, the baffle ring is in the same place with the inner wall of valve body, end cap and valve body threaded connection are in the same place, are located cover is equipped with the spring on the pole in the second cavity, the one end and the end cap butt of spring are in the same place, the other end and the baffle ring butt of spring are in the same place.
2. The adjustable cracking pressure check valve of claim 1 wherein said valve core is sleeved with a plunger at one end passing through the valve seat.
3. The adjustable cracking pressure check valve of claim 1 wherein the diameter of the stem is greater than the diameter of the spool.
4. The adjustable cracking pressure check valve of claim 1, wherein sealing rings are arranged at the joint of the post rod and the valve body and at the joint of the check valve and the valve core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170553.2U CN219809462U (en) | 2023-05-16 | 2023-05-16 | One-way valve with adjustable opening pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170553.2U CN219809462U (en) | 2023-05-16 | 2023-05-16 | One-way valve with adjustable opening pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219809462U true CN219809462U (en) | 2023-10-10 |
Family
ID=88209184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321170553.2U Active CN219809462U (en) | 2023-05-16 | 2023-05-16 | One-way valve with adjustable opening pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219809462U (en) |
-
2023
- 2023-05-16 CN CN202321170553.2U patent/CN219809462U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |