CN221424071U - Low-noise waist support valve - Google Patents
Low-noise waist support valve Download PDFInfo
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- CN221424071U CN221424071U CN202323494177.5U CN202323494177U CN221424071U CN 221424071 U CN221424071 U CN 221424071U CN 202323494177 U CN202323494177 U CN 202323494177U CN 221424071 U CN221424071 U CN 221424071U
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- waist
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- 238000007789 sealing Methods 0.000 claims description 25
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 6
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process 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
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a low-noise waist support valve, which comprises a waist support valve main body, wherein the waist support valve main body comprises a valve shell and an exhaust valve rod, the exhaust valve rod is arranged at one side of the interior of the valve shell, and a noise reduction exhaust mechanism is further arranged on the waist support valve main body; through the design exhaust mechanism of making an uproar falls, can be when the waist holds in the palm valve main part and release, the hole of combining the circle with the external diameter fit clearance of exhaust piston main part is between 0.02-0.05mm through the connecting rib, when the waist holds in the palm valve main part is when releasing by exhaust piston main part and when the exhaust pressure is balanced soon, exhaust combining circle and exhaust piston main part are all the time through the connecting rib in contact state, reduce the gap between the top of exhaust combining circle and exhaust piston main part, the top of exhaust piston is difficult for appearing the tremolo when the internal surface activity of exhaust combining circle, with waist hold in the palm valve main part and fall the noise treatment when the exhaust, the noise treatment effect of making an uproar when the exhaust operation after the installation of waist holds in the palm valve main part is improved.
Description
Technical Field
The utility model belongs to the technical field of waist support valves, and particularly relates to a low-noise waist support valve.
Background
The existing waist support valve is a part which is arranged on the seat waist support air bag and is convenient for air inlet operation during installation, sealing and exhausting operation are convenient, when the waist support valve is used for exhausting by the exhaust piston main body and when the exhaust pressure is balanced quickly, the exhaust combination ring and the exhaust piston main body are always in a contact state through connecting ribs, gaps are reduced between the top ends of the exhaust combination ring and the exhaust piston main body, tremolo is not easy to occur when the top ends of the exhaust pistons and the inner surface of the exhaust combination ring are movable, and the noise reduction treatment effect during the exhausting operation after the waist support valve main body is installed is improved;
When the existing waist support valve is used, when the air bag is filled with air bag and exceeds the protection pressure of the air bag, the pressure relief opening of the waist support valve can exhaust, and due to the structural problem of the pressure relief opening, when the air bag pressure and the pressure of the return spring of the air relief opening are about to be balanced, a larger gap is formed between the air discharge piston of the air relief opening and the sealing element, the air relief piston and the sealing element shake back and forth to vibrate under the condition of receiving the pressure, and tremolo is caused between the air discharge piston and the sealing element when the larger pressure vibrates, so that the noise reduction treatment effect of the waist support valve is affected.
Disclosure of utility model
The utility model aims to provide a low-noise waist support valve, which aims to solve the problems that in the background technology, a pressure relief opening of the waist support valve is provided for exhausting, a large gap is formed between an exhaust piston of a gas relief opening and a sealing element when the pressure of an air bag and the pressure of a return spring of the gas relief opening are about to be balanced due to the structure of the pressure relief opening, the waist support valve is subjected to back and forth shaking to vibrate under the pressure, and tremolo is caused between the exhaust piston and the sealing element when the large pressure vibrates, so that the noise reduction treatment effect of the waist support valve is influenced when the waist support valve is used.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a waist of low noise holds in palm valve, includes waist holds in palm valve main part, waist holds in the palm valve main part and includes valve casing and exhaust valve rod, exhaust valve rod sets up in inside one side of valve casing, waist holds in the palm still is provided with in the valve main part:
The noise reduction exhaust mechanism comprises a sealing assembly, a noise reduction exhaust assembly and an exhaust pressure control assembly, wherein the sealing assembly is arranged on the outer surface of an exhaust valve rod, the noise reduction exhaust assembly is arranged at the bottom end of the exhaust valve rod, and the exhaust pressure control assembly is arranged on the outer surface of the noise reduction exhaust assembly.
Preferably, the sealing assembly comprises a sealing ring arranged on the outer surface of the exhaust valve rod, and the exhaust valve rod penetrates through the sealing ring.
Preferably, the noise reduction exhaust assembly comprises an exhaust piston main body arranged at the bottom end of an exhaust valve rod, an exhaust piston extending end is arranged at the bottom end of the exhaust piston main body, four connecting ribs are arranged at the edge of the end part of the exhaust piston main body, and an exhaust combination ring is sleeved on the outer surface of the top end of the exhaust piston main body.
Preferably, the connection part of the two connecting ribs forms an exhaust passage, and the outer surface of the connecting rib is in compression contact with the inner surface of the exhaust combination ring.
Preferably, the interface of the extension end of the exhaust piston is in a cross structure, and the extension end of the exhaust piston and the bottom end of the exhaust piston main body are in an integrated structure.
Preferably, the exhaust pressure control assembly comprises an exhaust pressure control spring which is sleeved on the lower surface of the exhaust piston main body and positioned on the outer surface of the extension end of the exhaust piston, and an exhaust hole pressing sleeve is sleeved on the outer surface of the extension end of the exhaust piston.
Preferably, the cross section of the exhaust hole pressing sleeve is of an annular structure, and the upper surface of the exhaust hole pressing sleeve is matched with the lower surface structure of the exhaust combination ring.
Compared with the prior art, the utility model has the beneficial effects that:
through the design exhaust mechanism of making an uproar falls, can be when the waist holds in the palm valve main part and release, the hole of combining the circle with the external diameter fit clearance of exhaust piston main part is between 0.02-0.05mm through the connecting rib, when the waist holds in the palm valve main part is when releasing by exhaust piston main part and when the exhaust pressure is balanced soon, exhaust combining circle and exhaust piston main part are all the time through the connecting rib at contact state, reduce the gap between the top of exhaust combining circle and exhaust piston main part, the top of exhaust piston is difficult for appearing the tremolo when the internal surface activity of exhaust combining circle, and with waist hold in the palm the valve main part and fall the noise treatment when the exhaust, the noise treatment effect of making an uproar when the exhaust operation after the installation of waist holds in the palm valve main part is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of the present utility model;
FIG. 3 is an enlarged schematic view of the portion A of FIG. 2 according to the present utility model;
FIG. 4 is a schematic view of the structure of the exhaust valve stem, exhaust combination ring and connecting rib of the present utility model;
FIG. 5 is a schematic view of the structure of the exhaust piston body, the connecting ribs and the extension end of the exhaust piston according to the present utility model;
In the figure: 100. a lumbar support valve body; 101. a valve housing; 102. an exhaust valve stem; 1021. a seal ring; 1022. an exhaust piston body; 1023. an exhaust combination ring; 1024. an exhaust pressure control spring; 1025. a connecting rib; 1026. an exhaust piston extension; 1027. and (5) pressing the sleeve through the exhaust hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a waist of low noise holds in palm valve, including waist holds in palm valve main part 100, waist holds in the palm valve main part 100 includes valve casing 101 and exhaust valve rod 102, exhaust valve rod 102 sets up in the inside one side of valve casing 101, still be provided with the exhaust mechanism of making an uproar falls on waist holds in the palm valve main part 100, and this exhaust mechanism of making an uproar falls including seal assembly, exhaust assembly and exhaust pressure control assembly fall, seal assembly sets up the surface at exhaust valve rod 102, exhaust pressure control assembly sets up the surface at exhaust valve rod 102 of making an uproar falls, when the exhaust valve main part 100 installation of being convenient for, exhaust combination circle 1023 and exhaust piston main part 1022 are in contact state all the time through connecting rib 1025, reduce the clearance, be difficult for producing the vibration and appear the tremolo when exhausting, noise reduction treatment effect when improving waist and holding in the palm valve main part 100 installation back exhaust operation.
In order to facilitate sealing installation and easy sealing of the exhaust operation when the exhaust valve rod 102 and the top end of the exhaust piston main body 1022 are exhausted by the sealing assembly, in this embodiment, preferably, the sealing assembly includes a sealing ring 1021 disposed on the outer surface of the exhaust valve rod 102, and the exhaust valve rod 102 penetrates through the inside of the sealing ring 1021, so that the exhaust treatment is easy to seal.
In order to reduce the gap during the exhaust through the noise reduction exhaust component, the tremolo is not easy to appear when the pressure vibration appears, in this embodiment, preferably, the noise reduction exhaust component comprises an exhaust piston main body 1022 arranged at the bottom end of an exhaust valve rod 102, the bottom end of the exhaust piston main body 1022 is provided with an exhaust piston extension end 1026, the end edge of the exhaust piston main body 1022 is provided with four connecting ribs 1025, an exhaust combination ring 1023 is sleeved on the top outer surface of the exhaust piston main body 1022, the gap is reduced for facilitating the stable contact between the inner surface of the exhaust combination ring 1023 and the outer surface of the exhaust piston main body 1022 through the connecting ribs 1025, the tremolo is not easy to appear when the exhaust is smooth, the connecting positions of the two connecting ribs 1025 form an exhaust channel, the outer surface of the connecting ribs 1025 are in tight contact with the inner surface of the exhaust combination ring 1023, the bottom end of the exhaust piston extension end 1026 is smoothly exhausted for facilitating the exhaust, the interface of the exhaust piston extension end 1026 is in a cross structure, the exhaust piston extension end 1026 and the bottom end of the exhaust piston main body 1022 is in an integral structure, and the exhaust piston main body 1022 is smoothly in order to facilitate the exhaust treatment.
In order to facilitate the compression seal exhaust treatment by the exhaust pressure control assembly, in this embodiment, preferably, the exhaust pressure control assembly includes an exhaust pressure control spring 1024 mounted on the lower surface of the exhaust piston main body 1022 and located on the outer surface of the exhaust piston extension 1026, and an exhaust hole pressing sleeve 1027 is mounted on the outer surface of the exhaust piston extension 1026 in a sleeved manner, so that the top end of the exhaust hole pressing sleeve 1027 is in compression contact with the lower surface of the exhaust combination ring 1023, and the exhaust hole pressing sleeve 1027 is easy to seal, the cross section of the exhaust hole pressing sleeve 1027 is in an annular structure, and the upper surface of the exhaust hole pressing sleeve 1027 is in structural fit with the lower surface of the exhaust combination ring 1023, so that the sealing exhaust can be conveniently and closely mounted.
The working principle and the using flow of the utility model are as follows: in the low-noise waist support valve, when the waist support valve body 100 is installed in the seat waist support air bag for controlling and using, the sealing ring 1021 is used for sealing and connecting the exhaust valve rod 102 with the surface of the exhaust piston body 1022, when the waist support valve is discharged, the matching clearance between the inner hole of the exhaust combining ring 1023 and the outer diameter of the exhaust piston body 1022 is between 0.02 mm and 0.05mm through the connecting rib 1025, when the waist support valve body 100 is discharged and the exhaust pressure is quickly balanced, the exhaust combining ring 1023 and the exhaust piston body 1022 are always in a contact state through the connecting rib 1025, and meanwhile, the exhaust piston extending end 1026 at the bottom end is used for smoothly discharging, so that when the waist support valve body 100 is discharged and is subjected to pressure, the clearance between the exhaust combining ring 1023 and the top end of the exhaust piston body 1022 is reduced, tremolo is not easy to occur when the top end of the exhaust piston body 1022 and the inner surface of the exhaust combining ring 1023 are movable, and the waist support valve body 100 is subjected to noise reduction treatment during the exhaust, and the noise reduction treatment effect during the exhaust operation after the waist support valve body 100 is installed is improved.
Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a waist of low noise holds in palm valve, includes waist holds in palm valve main part (100), waist holds in the palm valve main part (100) including valve casing (101) and exhaust valve rod (102), exhaust valve rod (102) set up in the inside one side of valve casing (101), its characterized in that: the waist holds in palm still be provided with on valve main part (100):
The noise reduction exhaust mechanism comprises a sealing assembly, a noise reduction exhaust assembly and an exhaust pressure control assembly, wherein the sealing assembly is arranged on the outer surface of an exhaust valve rod (102), the noise reduction exhaust assembly is arranged at the bottom end of the exhaust valve rod (102), and the exhaust pressure control assembly is arranged on the outer surface of the noise reduction exhaust assembly.
2. The low noise lumbar support valve of claim 1 wherein: the sealing assembly comprises a sealing ring (1021) arranged on the outer surface of the exhaust valve rod (102), and the exhaust valve rod (102) penetrates through the sealing ring (1021).
3. The low noise lumbar support valve of claim 1 wherein: the noise reduction exhaust assembly comprises an exhaust piston main body (1022) arranged at the bottom end of an exhaust valve rod (102), an exhaust piston extension end (1026) is arranged at the bottom end of the exhaust piston main body (1022), four connecting ribs (1025) are arranged at the edge of the end part of the exhaust piston main body (1022), and an exhaust combination ring (1023) is sleeved on the outer surface of the top end of the exhaust piston main body (1022).
4. A low noise lumbar support valve according to claim 3, wherein: an exhaust passage is formed at the joint of the two connecting ribs (1025), and the outer surface of the connecting rib (1025) is in compression contact with the inner surface of the exhaust combination ring (1023).
5. A low noise lumbar support valve according to claim 3, wherein: the interface of the exhaust piston extension end (1026) is in a cross structure, and the exhaust piston extension end (1026) and the bottom end of the exhaust piston main body (1022) are in an integrated structure.
6. A low noise lumbar support valve according to claim 3, wherein: the exhaust pressure control assembly comprises an exhaust pressure control spring (1024) which is sleeved on the lower surface of the exhaust piston main body (1022) and positioned on the outer surface of the exhaust piston extension end (1026), and an exhaust hole pressing sleeve (1027) is sleeved on the outer surface of the exhaust piston extension end (1026).
7. The low noise lumbar support valve of claim 6 wherein: the cross section of the exhaust hole pressing sleeve (1027) is of an annular structure, and the upper surface of the exhaust hole pressing sleeve (1027) is matched with the lower surface structure of the exhaust combination ring (1023).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323494177.5U CN221424071U (en) | 2023-12-21 | 2023-12-21 | Low-noise waist support valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323494177.5U CN221424071U (en) | 2023-12-21 | 2023-12-21 | Low-noise waist support valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221424071U true CN221424071U (en) | 2024-07-26 |
Family
ID=91977100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323494177.5U Active CN221424071U (en) | 2023-12-21 | 2023-12-21 | Low-noise waist support valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221424071U (en) |
-
2023
- 2023-12-21 CN CN202323494177.5U patent/CN221424071U/en active Active
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