CN221003820U - Pneumatic pressure reducing valve - Google Patents
Pneumatic pressure reducing valve Download PDFInfo
- Publication number
- CN221003820U CN221003820U CN202322838677.XU CN202322838677U CN221003820U CN 221003820 U CN221003820 U CN 221003820U CN 202322838677 U CN202322838677 U CN 202322838677U CN 221003820 U CN221003820 U CN 221003820U
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- China
- Prior art keywords
- valve
- sealing block
- valve core
- core
- pneumatic pressure
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- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000000694 effects Effects 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000003475 lamination Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Lift Valve (AREA)
Abstract
The utility model discloses a pneumatic pressure reducing valve, which comprises a valve body, wherein the valve body is of a cylindrical structure, a valve seat and a valve rod for controlling air flow in the valve body are respectively sleeved with a valve core and a sealing block, the sealing block is arranged above the valve core, an avoidance port matched with the valve core is formed in the bottom of the valve seat, a movable groove is formed in the middle of the valve seat, the sealing block moves in the movable groove, a clamping groove is formed in the top of the sealing block, a sealing ring is clamped in the clamping groove, and the bottom of the sealing ring is tightly attached to the top surface of the sealing block. The problem that the lower part of the valve seat mentioned in the background art is in a right angle shape and can be worn under the contact with the surface of the valve core for a long time is solved through the structure, so that the avoidance port is formed in the bottom of the valve seat, the valve core is in a circular jar shape, the design angle between the avoidance port and the valve core is 45 degrees, the valve seat and the valve core can not be worn under the contact of the surface, the better lamination is achieved, and the service life of the pressure reducing valve is prolonged.
Description
Technical Field
The utility model relates to the technical field of pressure reducing valves, in particular to a pneumatic pressure reducing valve.
Background
The pressure reducing valve is a throttling element with changeable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area, so that different pressure losses are caused, and the aim of reducing pressure is achieved.
In the prior art, the pneumatic pressure reducing valve still has certain defects in working and running: the lower part of the valve seat in the existing pneumatic pressure reducing valve is right-angled with the joint part of the valve core, under the long-time use, the friction coefficient between the valve seat and the valve core is larger under the condition of touching between the valve seat and the valve core, so that the surfaces of the valve seat and the valve core are worn, a gap is formed at the contact position of the valve seat and the valve core, and the pneumatic pressure reducing valve cannot normally reduce pressure.
Disclosure of Invention
The utility model aims to provide a pneumatic pressure reducing valve, which aims to solve the problem that the contact position of a valve seat and a valve core is in a clearance in the prior art because the friction coefficient between the valve seat and the valve core is large under the condition of touching the valve seat and the valve core for a long time in the prior art, so that the valve seat and the valve core surface are worn, and the pneumatic pressure reducing valve cannot normally reduce pressure.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pneumatic relief pressure valve, includes the valve body, the valve body is cylindric structural design, be provided with disk seat and the valve rod of control air current in the valve body, valve core and sealing block have been cup jointed respectively on the valve rod, just the sealing block sets up in the top of valve core, the dodge mouth with the case adaptation has been seted up to the disk seat bottom, the movable groove has been seted up at the disk seat middle part, the sealing block activity is in the movable inslot, the draw-in groove has been seted up at the top of sealing block, the joint has the sealing washer in the draw-in groove, just the closely laminating of sealing washer bottom and sealing block top surface.
Preferably, the valve core is designed in a circular-jar-shaped structure, and the upper end inclination angle of the valve core is designed to be 45 degrees.
Preferably, the diameter of the top of the valve core is equal to the diameter of the top of the avoidance port.
Preferably, the diameter of the sealing block is smaller than the diameter of the movable groove, and the diameter of the sealing block is larger than the diameter of the top end of the valve seat.
Preferably, the valve rod is integrally designed with the valve core and the sealing block.
Advantageous effects
Compared with the prior art, the utility model has the beneficial effects that:
1. The lower part of the valve seat mentioned by the background art is in a right angle shape and can be worn under the long-time surface touch with the valve core through the structure, so that the avoidance port is formed in the bottom of the valve seat, the valve core is in a circular jar shape, and the design angle between the avoidance port and the valve core is 45 degrees, so that the valve seat and the valve core can not be worn under the surface touch, the better fit is achieved, and the service life of the pressure reducing valve is prolonged.
2. Through setting up sealing block, movable groove and sealing washer to effectually prevent when disk seat and case surface mounting, the situation of pressure release appears, increase its relief pressure valve sealed effect.
Drawings
FIG. 1 is a schematic view of the internal structure of a pneumatic pressure reducing valve according to the present utility model;
Fig. 2 is an enlarged schematic view of the structure of the pneumatic pressure reducing valve at a position a.
1. A valve body; 2. a valve stem; 3. a valve core; 4. a valve seat; 5. a sealing block; 6. a movable groove; 7. a clamping groove;
8. A seal ring; 9. and an avoidance port.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are 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.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, construct and operate in the specific direction, and thus are not to be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1-2 are schematic structural diagrams of a pneumatic pressure reducing valve according to a preferred embodiment of the present utility model, in this embodiment, the pneumatic pressure reducing valve includes a valve body 1, the valve body 1 is in a cylindrical structural design, a valve seat 4 and a valve rod 2 for controlling air flow are disposed in the valve body 1, a valve core 3 and a sealing block 5 are respectively sleeved on the valve rod 2, the sealing block 5 is disposed above the valve core 3, meanwhile, an avoiding opening 9 adapted to the valve core 3 is formed at the bottom of the valve seat 4, a movable groove 6 is formed in the middle of the valve seat 4, the sealing block 5 is movable in the movable groove 6, when the valve rod 2 rotates upwards, the sealing block 5 is driven to move upwards until being propped against the top of the inner wall of the movable groove 6, meanwhile, a clamping groove 7 is formed at the top of the sealing block 5, a sealing ring 8 is clamped in the clamping groove 7, the sealing ring 8 is made of fluororubber material, and the bottom of the sealing ring 8 is tightly attached to the top surface of the sealing block 5, so that the sealing defect attaching problem of the sealing block 5 and the movable groove 6 can be solved.
In this embodiment, the valve core 3 is designed in a circular jar-shaped structure, and the inclination angle of the upper end of the valve core 3 is designed to be 45 °, so that the valve core can be better attached to the avoiding opening 9.
In the embodiment, the diameter of the top of the valve core 3 is equal to that of the top of the avoiding port 9, and the design of the structure reduces the protruding parts, thereby reducing abrasion.
In this embodiment, and the diameter of sealing block 5 is less than movable groove 6 diameter for valve rod 2 rotates and drives sealing block 5 and move down better, simultaneously, there is the cavity between sealing block 5 outer wall and the movable groove 6, thereby make can be better let atmospheric pressure get into, and sealing block 5's diameter is greater than disk seat 4 top diameter, the design of its structure can make sealing block 5 upwards move, until the top of movable groove 6 inner wall top, produce sealed effect, can also bring spacing function simultaneously, prevent rotatory in-process, cause the phenomenon that valve rod 2 drops.
In this embodiment, the valve rod 2, the valve core 3 and the sealing block 5 are integrally designed, and the structural design thereof increases the connection strength between the valve rod 2 and the valve rod.
The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.
Claims (5)
1. The utility model provides a pneumatic relief pressure valve, includes valve body (1), valve body (1) are cylindric structural design, its characterized in that: valve disk seat (4) and valve rod (2) that are provided with the control air current in valve body (1), valve core (3) and sealing block (5) have been cup jointed respectively on valve rod (2), just sealing block (5) set up in the top of valve core (3), dodge mouthful (9) with valve core (3) adaptation have been seted up to valve disk seat (4) bottom, movable groove (6) have been seted up at valve disk seat (4) middle part, sealing block (5) activity in movable groove (6), draw-in groove (7) have been seted up at the top of sealing block (5), joint has sealing washer (8) in draw-in groove (7), just sealing washer (8) bottom closely laminates and sealing block (5) top surface.
2. A pneumatic pressure relief valve as claimed in claim 1, wherein: the valve core (3) is designed in a circular jar-shaped structure, and the upper end inclination angle of the valve core (3) is designed to be 45 degrees.
3. A pneumatic pressure relief valve as claimed in claim 2, wherein: the diameter of the top of the valve core (3) is equal to that of the top of the avoidance port (9).
4. A pneumatic pressure relief valve as claimed in claim 1, wherein: the diameter of the sealing block (5) is smaller than that of the movable groove (6), and the diameter of the sealing block (5) is larger than that of the top end of the valve seat (4).
5. A pneumatic pressure relief valve as claimed in claim 1, wherein: the valve rod (2), the valve core (3) and the sealing block (5) are integrally designed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322838677.XU CN221003820U (en) | 2023-10-23 | 2023-10-23 | Pneumatic pressure reducing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322838677.XU CN221003820U (en) | 2023-10-23 | 2023-10-23 | Pneumatic pressure reducing valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003820U true CN221003820U (en) | 2024-05-24 |
Family
ID=91089506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322838677.XU Active CN221003820U (en) | 2023-10-23 | 2023-10-23 | Pneumatic pressure reducing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003820U (en) |
-
2023
- 2023-10-23 CN CN202322838677.XU patent/CN221003820U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |