CN219774839U - Gas flow combined valve - Google Patents
Gas flow combined valve Download PDFInfo
- Publication number
- CN219774839U CN219774839U CN202320216000.XU CN202320216000U CN219774839U CN 219774839 U CN219774839 U CN 219774839U CN 202320216000 U CN202320216000 U CN 202320216000U CN 219774839 U CN219774839 U CN 219774839U
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- Prior art keywords
- valve
- gas flow
- valve body
- limit
- pressure release
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- 238000007789 sealing Methods 0.000 claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
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Abstract
The utility model provides a gas flow combined valve, and belongs to the technical field of valves. The gas flow combining valve includes a damping assembly and a regulating assembly. The buffer assembly comprises a sealing part and a pneumatic buffer part, the pneumatic buffer part is arranged on the sealing part, the adjusting assembly comprises an adjusting part and a protecting part, the adjusting part and the protecting part are both arranged on the sealing part, the protecting part is also arranged on the sealing part, the sealing part comprises a valve body and a first sealing gasket, the first sealing gasket is fixed on the upper surface of the valve body, the sealing part further comprises a pressure relief pipe, the pressure relief pipe is arranged on the outer wall of the valve body, the pressure relief pipe is communicated with the valve body, the pneumatic buffer part comprises a sliding plate, a sliding rod, a pressure relief spring and a stop block, and the valve body is provided with the pressure relief pipe, so that the valve body is prevented from being damaged by the continuous impact of high-pressure gas in the valve body on a valve core, and the service life of the valve body is prolonged.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a gas flow combined valve.
Background
The combined regulating valve is a regulating valve with high efficiency of a mechanical transmission mechanism. The combined regulating valve series adopts a modularized design, and can be combined into various combined self-operated regulating valves through an assembly. A self-operated pressure-differential pressure combination valve, a self-operated flow-temperature combination valve, a self-operated flow-pressure combination valve and the like. Various parameters that can be used for non-corrosive liquid, gas and vapor media control parameters according to a preferential principle of action.
Through retrieving, chinese patent No. CN202021883246.5 discloses a gas flow regulating valve, including valve body, pneumatic means, valve gap, the valve body passes through bolt and valve gap fixed connection, pneumatic means's output transmission is connected with the valve rod, valve rod fixedly connected with gag lever post, valve rod end fixedly connected with case, case fixedly connected with fixed block, be equipped with the uide bushing in the valve gap. According to the utility model, the output end of the pneumatic device is in transmission connection with the valve rod to drive the valve rod to move in the vertical direction, and the limiting rod is fixedly connected to the side wall of the valve rod, so that the top end and the bottom end of the limiting rod are elastically connected with the first shell through the spring, the limiting rod is abutted against the inner surface wall of the first shell, the valve core can be prevented from shifting under the condition of large flow, the arranged guide sleeve can prevent the valve core from shifting in the horizontal direction, and the phenomenon that the valve core is easily shifted under the condition of large flow is solved.
However, the scheme still has the defect that when the flow is too large, the valve core is continuously impacted by high-pressure gas, so that the valve core is damaged, and the service life of the valve body is shortened.
Disclosure of Invention
In order to make up for the defects, the utility model provides a gas flow combined valve, which aims to solve the problem that when the flow is too large, high-pressure gas continuously impacts a valve core, so that the valve core is damaged.
The utility model is realized in the following way:
the utility model provides a gas flow combination valve, which comprises a buffer component and a regulating component.
The buffer assembly comprises a sealing part and a pneumatic buffer part, and the pneumatic buffer part is arranged on the sealing part;
the adjusting assembly comprises an adjusting part and a protecting part, wherein the adjusting part and the protecting part are arranged on the sealing part, and the protecting part is also arranged on the sealing part.
In one embodiment of the utility model, the seal includes a valve body and a first gasket secured to an upper surface of the valve body.
In one embodiment of the utility model, the sealing part further comprises a pressure relief pipe, wherein the pressure relief pipe is arranged on the outer wall of the valve body, and the pressure relief pipe is communicated with the valve body.
In one embodiment of the utility model, the air pressure buffer part comprises a sliding plate, a sliding rod, a pressure release spring and a stop block, wherein the sliding plate is arranged in the pressure release pipe in a sliding way, one end of the sliding rod is fixed on the upper surface of the sliding plate, the other end of the sliding rod is fixed on the lower surface of the stop block, the pressure release pipe is provided with an exhaust hole, the sliding rod is arranged in the exhaust hole in a sliding way, the pressure release spring is sleeved on the sliding rod, one end of the pressure release spring is fixed on the sliding plate, the other end of the pressure release spring is fixed on the inner wall of the pressure release pipe, and a pressure sensor is arranged between the pressure release spring and the stop block.
In one embodiment of the utility model, the top of the stop is tapered.
In one embodiment of the utility model, the adjusting part comprises a valve cover, a guide sleeve, a pneumatic device, a valve rod and a valve core, the sealing part further comprises a bolt, the valve cover and the valve body are fixed together through the bolt, the guide sleeve is arranged in the valve cover, the pneumatic device is arranged on the valve cover, the valve rod and the pneumatic device are arranged together, the valve rod is arranged in the valve cover in a sliding mode, and the valve core is fixed at the end portion of the valve rod.
In an embodiment of the utility model, the adjusting part further comprises a limiting block, a limiting groove is formed in the valve cover, and the limiting block and the limiting groove are matched.
In one embodiment of the present utility model, the sealing part further includes a screw cap, and the screw cap is sleeved on the bolt.
In one embodiment of the utility model, the protection part comprises a limit shell, a limit rod and a second spring, wherein the limit shell is fixed on the upper surface of the valve body, a sliding groove is formed in the limit shell, the limit rod is fixed on the outer wall of the valve rod, the limit rod penetrates through the sliding groove in a sliding mode, and the second spring is fixed between the limit shell and the limit rod.
In one embodiment of the present utility model, the protection part further includes a limiting post, two limiting posts are fixed on the upper surface and the lower surface of the limiting rod, respectively, and the limiting posts are disposed inside the second spring.
The beneficial effects of the utility model are as follows: according to the gas flow combined valve obtained through the design, when the gas flow combined valve is used, the pneumatic device is firstly opened, the output end of the pneumatic device is in transmission connection with the valve rod to drive the valve rod to move in the vertical direction, the limiting rod is fixedly connected to the side wall of the valve rod, the top end and the bottom end of the limiting rod are elastically connected with the limiting shell through the second spring, the limiting rod is abutted to the inner wall of the limiting shell, the valve core can be prevented from shifting under the condition that the gas flow is large, the guide sleeve can prevent the valve core from shifting in the horizontal direction, meanwhile, the second spring arranged at the lower end of the limiting rod can play a buffering role in the process that the pneumatic device pushes the valve rod to move downwards, abrasion of the valve rod and the valve body is reduced, under the condition that the gas flow is too large, the sealing plug moves upwards to further extrude the sliding plate, the sliding rod is driven to move upwards, at the moment, the pressure relief spring is compressed, redundant pressure in the valve body is released into the pressure relief pipe, meanwhile, the pressure sensor can send signals, and the pressure in the valve body is reminded of too large, and the valve body is provided with the pressure relief pipe, so that the valve body is prevented from continuously to impact the valve core by high pressure in the working staff, and the service life of the valve body is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a gas flow combining valve according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of area A of FIG. 1 according to an embodiment of the present utility model;
fig. 3 is a schematic perspective view of a pneumatic buffer according to an embodiment of the present utility model;
fig. 4 is an enlarged view of area B in fig. 1 provided in an embodiment of the present utility model.
In the figure: a 100-buffer assembly; 110-a seal; 111-valve body; 112-a first gasket; 113-bolts; 114-screw cap; 115-a pressure relief tube; 116-exhaust holes; 120-air pressure buffer part; 121-a sliding plate; 122-sealing plug; 123-slide bar; 124-a pressure relief spring; 125-stop; 200-an adjustment assembly; 210-an adjusting part; 211-valve cover; 212-a guide sleeve; 213-pneumatic means; 214-a valve stem; 215-limiting blocks; 216-a limit groove; 217-spool; 220-guard; 221-a limit housing; 222-a limit rod; 223-limit column; 224-a second spring; 225-sliding grooves.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-4, the present utility model provides a technical solution: a gas flow combining valve includes a damper assembly 100 and a regulator assembly 200.
The adjusting part 200 is arranged on the buffering part 100, the valve body 111 and the valve cover 211 are provided with good air tightness through the arrangement of the first sealing gasket 112, the valve body 111 is conveniently decompressed through the arrangement of the decompression tube 115 when the pressure in the valve body 111 is overlarge, the air pressure in the valve body 111 is conveniently adjusted through the arrangement of the sliding plate 121, the sealing plug 122 and the sliding rod 123, sundries are prevented from falling into the decompression tube 115 through the arrangement of the stop block 125, the valve rod 214 is guided through the arrangement of the guide sleeve 212, the valve rod 214 is limited through the arrangement of the limiting block 215 and the limiting groove 216, the screw cover 114 is prevented from being rusted by the bolt 113 and adhered to the valve cover 211, the valve rod 214 generates large friction to the pneumatic device 213 when the flow is prevented from being overlarge through the arrangement of the second spring 224, and the offset occurs when the second spring 224 is prevented from being compressed through the arrangement of the limiting column 223.
Referring to fig. 1-3, the buffer assembly 100 includes a sealing portion 110 and a pneumatic buffer portion 120, the sealing portion 110 includes a valve body 111 and a first gasket 112, the first gasket 112 is fixed on an upper surface of the valve body 111, the sealing portion 110 further includes a pressure release tube 115, the pressure release tube 115 is disposed on an outer wall of the valve body 111, the pressure release tube 115 is communicated with the valve body 111, the sealing portion 110 further includes a screw cap 114, the screw cap 114 is sleeved on a bolt 113, the pneumatic buffer portion 120 is disposed on the sealing portion 110, the pneumatic buffer portion 120 includes a sliding plate 121, a sliding rod 123, a pressure release spring 124 and a stopper 125, the sliding plate 121 is slidably disposed in the pressure release tube 115, one end of the sliding rod 123 is fixed on an upper surface of the sliding plate 121, the other end of the sliding rod 123 is fixed on a lower surface of the stopper 125, the pressure release tube 115 is slidably disposed on the exhaust hole 116, one end of the pressure release spring 124 is fixed on the sliding plate 121, the other end of the pressure release spring 124 is fixed on an inner wall of the pressure release tube 115, a pressure sensor is disposed between the pressure release spring 124 and the stopper 125, and the stopper 125 is disposed in a tapered shape.
Referring to fig. 1, 3 and 4, the adjusting assembly 200 includes an adjusting portion 210 and a protecting portion 220, the adjusting portion 210 and the protecting portion 220 are both disposed on the sealing portion 110, the adjusting portion 210 includes a valve cover 211, a guide sleeve 212, a pneumatic device 213, a valve rod 214 and a valve core 217, the sealing portion 110 further includes a bolt 113, the valve cover 211 and the valve body 111 are fixed together by the bolt 113, the guide sleeve 212 is disposed in the valve cover 211, the pneumatic device 213 is disposed on the valve cover 211, the valve rod 214 and the pneumatic device 213 are disposed together, the valve rod 214 is slidably disposed in the valve cover 211, the valve core 217 is fixed at an end portion of the valve rod 214, the adjusting portion 210 further includes a limiting block 215, a limiting groove 216 is formed in the valve cover 211, the limiting block 215 and the limiting groove 216 are cooperatively disposed, the protecting portion 220 is disposed on the sealing portion 110, the protecting portion 220 includes a limiting housing 221, a limiting rod 222 and a second spring 224 are disposed on an upper surface of the valve body 111, the limiting housing 221 is provided with a sliding groove 225, the limiting rod 222 is fixed on an outer wall of the valve rod 214, the limiting rod 222 is slidably penetrates the sliding groove 225, the limiting rod 224 is fixed between the limiting housing 224, the limiting rod 224 is fixed between the limiting housing and the limiting housing 221, the limiting rod 224 is fixed on an upper surface of the limiting post 223, and the limiting post 223 is disposed on the limiting post 223.
Specifically, the working principle of the gas flow combined valve is as follows: when the pneumatic device 213 is used, firstly, the pneumatic device 213 is opened, the output end of the pneumatic device 213 is in transmission connection with the valve rod 214, the valve rod 214 is driven to move in the vertical direction, the limiting rod 222 is fixedly connected to the side wall of the valve rod 214, the top end and the bottom end of the limiting rod 222 are elastically connected with the limiting shell 221 through the second spring 224, the limiting rod 222 is abutted to the inner wall of the limiting shell 221, under the condition that the air flow is large, the valve core 217 can be prevented from being deflected, the guide sleeve 212 can prevent the valve core 217 from being deflected in the horizontal direction, meanwhile, in the process that the pneumatic device 213 pushes the valve rod 214 to move downwards, the second spring 224 arranged at the lower end of the limiting rod 222 can play a buffering role, so that the abrasion between the valve rod 214 and the valve body 111 is reduced, under the condition that the air flow is overlarge, the sealing plug 122 moves upwards, the sliding plate 121 is extruded, the sliding plate 121 drives the sliding rod 123 to move upwards, at the moment, the redundant pressure in the valve body 111 is released into the pressure release pipe 115, and meanwhile, the pressure sensor can send out signals, the pressure is reminded that the pressure in the valve body 111 is overlarge, the pressure pipe 115 is arranged, and meanwhile, the valve body is prevented from being deflected, the high body 217 in the valve body 111, the impact damage caused by the valve body 111, the service life is prolonged, and the valve body is prolonged.
It should be noted that, specific model specifications of the pressure sensor need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the field, so detailed description is omitted.
The power supply of the pressure sensor and its principle are clear to a person skilled in the art and will not be described in detail here.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A gas flow combining valve, comprising
The buffer assembly comprises a sealing part and a pneumatic buffer part, and the pneumatic buffer part is arranged on the sealing part;
the adjusting assembly comprises an adjusting part and a protecting part, wherein the adjusting part and the protecting part are arranged on the sealing part, and the protecting part is also arranged on the sealing part.
2. A gas flow combining valve as defined in claim 1 wherein the seal comprises a valve body and a first gasket secured to an upper surface of the valve body.
3. A gas flow combining valve as defined in claim 2 wherein the sealing portion further comprises a pressure relief tube disposed on an outer wall of the valve body, the pressure relief tube in communication with the valve body.
4. The gas flow rate combination valve according to claim 3, wherein the gas pressure buffer portion comprises a sliding plate, a sliding rod, a pressure release spring and a stop block, the sliding plate is slidably arranged in the pressure release pipe, one end of the sliding rod is fixed on the upper surface of the sliding plate, the other end of the sliding rod is fixed on the lower surface of the stop block, a vent hole is formed in the pressure release pipe, the sliding rod is slidably arranged in the vent hole, the pressure release spring is sleeved on the sliding rod, one end of the pressure release spring is fixed on the sliding plate, the other end of the pressure release spring is fixed on the inner wall of the pressure release pipe, and a pressure sensor is arranged between the pressure release spring and the stop block.
5. A gas flow combining valve as claimed in claim 4 wherein the top of the stopper is tapered.
6. A gas flow combining valve as claimed in claim 2 wherein the adjustment portion comprises a valve cap, a guide sleeve, a pneumatic device, a valve stem and a valve core, the sealing portion further comprises a bolt, the valve cap and the valve body are secured together by the bolt, the guide sleeve is disposed within the valve cap, the pneumatic device is disposed on the valve cap, the valve stem is disposed with the pneumatic device, the valve stem is slidably disposed within the valve cap, and the valve core is secured to an end of the valve stem.
7. The gas flow combining valve of claim 6, wherein the adjusting portion further comprises a limiting block, a limiting groove is formed in the valve cover, and the limiting block and the limiting groove are matched.
8. A gas flow combining valve as defined in claim 6 wherein said sealing portion further comprises a screw cap, said screw cap being sleeved over said bolt.
9. The gas flow combining valve of claim 6 wherein the guard includes a limit housing, a limit lever and a second spring, the limit housing being secured to an upper surface of the valve body, a sliding slot being formed in the limit housing, the limit lever being secured to an outer wall of the valve stem, the limit lever sliding through the sliding slot, the second spring being secured between the limit housing and the limit lever.
10. A gas flow combining valve as defined in claim 9 wherein said guard further comprises a limit post, two of said limit posts being secured to upper and lower surfaces of said limit lever, respectively, said limit posts being disposed within said second spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216000.XU CN219774839U (en) | 2023-02-15 | 2023-02-15 | Gas flow combined valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320216000.XU CN219774839U (en) | 2023-02-15 | 2023-02-15 | Gas flow combined valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774839U true CN219774839U (en) | 2023-09-29 |
Family
ID=88135692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320216000.XU Active CN219774839U (en) | 2023-02-15 | 2023-02-15 | Gas flow combined valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774839U (en) |
-
2023
- 2023-02-15 CN CN202320216000.XU patent/CN219774839U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |