CN219692302U - Manual pressure release valve for oxygen cabin - Google Patents
Manual pressure release valve for oxygen cabin Download PDFInfo
- Publication number
- CN219692302U CN219692302U CN202223367458.XU CN202223367458U CN219692302U CN 219692302 U CN219692302 U CN 219692302U CN 202223367458 U CN202223367458 U CN 202223367458U CN 219692302 U CN219692302 U CN 219692302U
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- CN
- China
- Prior art keywords
- sealing
- upper cover
- valve rod
- valve
- pressure release
- 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.)
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 42
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 42
- 239000001301 oxygen Substances 0.000 title claims abstract description 42
- 238000007789 sealing Methods 0.000 claims abstract description 123
- 239000000463 material Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000006378 damage Effects 0.000 abstract description 5
- 238000013016 damping Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000032683 aging Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 208000025978 Athletic injury Diseases 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 206010041738 Sports injury Diseases 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002640 oxygen therapy Methods 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
Abstract
The utility model discloses a manual pressure release valve for an oxygen cabin, which is used for pressure adjustment and pressure release of the oxygen cabin, wherein the manual pressure release valve comprises an upper cover and a valve rod, the oxygen cabin is provided with a connecting joint, the upper cover is fixedly connected with the valve rod, and the connecting joint is sleeved on the valve rod; the sealing gasket is arranged between the upper cover and the connecting joint, the sealing gasket is sleeved at the upper end of the valve rod, the sealing gasket is provided with an upper hard sealing end face and a lower hard sealing end face, the upper hard sealing end face of the sealing gasket is in sealing fit with the lower part of the upper cover in a sealing state, and the lower hard sealing end face of the sealing gasket is in sealing fit with the upper part of the connecting joint. The utility model mainly sets the sealing gasket of the hard seal between the upper cover and the connecting joint which need to be sealed, not only can meet the sealing effect and avoid damage, but also can have damping effect, prevent the pressure release valve from rotating excessively and timely sense that the manual pressure release valve is screwed in place.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to a manual pressure release valve for an oxygen cabin.
Background
The micro-pressure oxygen therapy in the oxygen cabin is widely applied at home and abroad, and can be used for health preserving, beautifying and health care, and also can be used for treating sports injury and fatigue caused by sports; can regulate and improve body ability of athletes, promote fatigue elimination after exercise, and has good therapeutic effect on athletic injury.
The manual pressure relief valve is a necessary part in the oxygen cabin and is used for adjusting the pressure in the cabin and relieving the pressure. The traditional manual pressure release valve adopts a soft O-shaped rubber ring in a sealing mode, the pressure release valve is required to be screwed down in the use process of the oxygen cabin, and the joint of the soft O-shaped rubber ring and the cabin body is sealed, so that in the process of realizing the utility model, the inventor discovers that the soft O-shaped rubber ring can age and crack due to long-time use and repeated extrusion, and the cabin body is poor in sealing; meanwhile, the soft O-shaped rubber ring is soft in texture, and the compression amount of the soft O-shaped rubber ring is related to the used force in the sealing compression process, so that the compression amount is inconsistent each time, and even the pressure release valve is damaged due to excessive force.
In view of this, how to solve the problems of aging, cracking, damage to the relief valve caused by excessive force, etc. of the soft O-shaped rubber ring used in the conventional manual relief valve has been the subject of the present utility model.
Disclosure of Invention
The utility model aims to provide a manual pressure release valve for an oxygen cabin.
In order to achieve the above purpose, the utility model provides a manual pressure release valve for an oxygen cabin, which is used for pressure adjustment and pressure release of the oxygen cabin, the manual pressure release valve comprises an upper cover and a valve rod, the oxygen cabin is provided with a connecting joint, the upper cover is fixedly connected with the valve rod, and the connecting joint is sleeved on the valve rod, and the innovation point is that:
the sealing gasket is arranged between the upper cover and the connecting joint, the sealing gasket is sleeved at the upper end of the valve rod, the sealing gasket is provided with an upper hard sealing end face and a lower hard sealing end face, the upper hard sealing end face of the sealing gasket is in sealing fit with the lower part of the upper cover in a sealing state, and the lower hard sealing end face of the sealing gasket is in sealing fit with the upper part of the connecting joint.
The content of the present utility model is explained as follows:
1. according to the technical scheme, the sealing gasket is arranged between the upper cover to be sealed and the connecting joint, and the sealing gasket is sealed with the upper cover and the connecting joint in a hard sealing manner, so that the oxygen cabin body is not damaged under the condition of meeting a good sealing effect, and poor sealing caused by damage, aging and other problems in the use process is avoided; meanwhile, due to the adoption of the hard seal, when the upper cover of the pressure relief valve is rotated, after the upper cover and the valve rod are integrally rotated in place, the hard seal pad is propped against the connecting joint, so that damping handfeel exists, the pressure relief valve is prevented from rotating excessively, and the manual pressure relief valve is timely perceived to rotate in place.
2. In the above technical solution, the upper hard sealing end surface and the lower hard sealing end surface of the sealing gasket are both horizontal planes, the position of the lower part of the upper cover, which corresponds to the position of the upper hard sealing end surface, is a horizontal plane, and the position of the upper part of the connecting joint, which corresponds to the position of the lower hard sealing end surface, is a horizontal plane; good sealing effect is achieved by adopting plane sealing.
3. In the technical scheme, the sealing gasket is sleeved into the valve rod from top to bottom, an upward limiting surface is arranged on the valve rod, and the limiting surface abuts against the lower hard sealing end surface of the sealing gasket to limit downward displacement of the sealing gasket.
4. In the technical scheme, after the upper cover is in threaded connection with the upper end part of the valve rod, the upper cover is glued and fixed at the connecting part of the upper cover and the valve rod.
5. In the technical scheme, the sealing gasket is in interference fit with the valve rod, and the upper cover and the valve rod rotate relative to the oxygen cabin as a whole when the manual pressure release valve is rotated, and static friction force between the upper cover and the valve rod can also prevent the upper cover and the valve rod from rotating relative to each other when the manual pressure release valve is rotated, so that the upper cover and the valve rod are prevented from being disassembled.
6. In the above technical scheme, the valve rod is longitudinally and uniformly provided with the air outlet holes, and the valve rod and the connecting joint perform relative movement so that the number of the air outlet holes exposed out of the connecting joint is increased or reduced.
7. In the technical scheme, the axial centers of the upper cover, the valve rod, the connecting joint and the sealing gasket are overlapped, so that the rotation force and the angle are balanced when the manual pressure release valve is rotated, the sealing effect is improved, and the adjustment precision is improved.
8. In the above technical solution, the sealing gasket is made of hard material, in particular, the shape of the sealing gasket can be a circular hollow cylinder, and the hard material can be hard plastic, metal, alloy, and the like, preferably polytetrafluoroethylene; when screwing the upper cover, the hard material can prevent the upper cover from being excessively screwed, so that the upper end of the valve rod is propped open, and compared with a rubber sealing ring, the rubber sealing ring can be prevented from being transitionally rolled, and the service life of the valve rod is shortened.
9. In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically linked, may be directly linked, may be indirectly linked through an intervening medium, and may be in communication between two elements or in an interactive relationship therebetween, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
10. In the present utility model, the terms "center," "upper," "lower," "bottom," "inner," "outer," and the like refer to an azimuth or positional relationship based on the azimuth or positional assembly relationship shown in the drawings, for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model; if the manual pressure release valve is reversed and horizontally placed, the corresponding direction is correspondingly adjusted.
Due to the application of the scheme, compared with the prior art, the utility model has the following advantages and effects:
1. according to the scheme, the sealing gasket is arranged between the upper cover to be sealed and the connecting joint, and the sealing gasket is sealed with the upper cover and the connecting joint in a hard sealing mode, so that the oxygen cabin body can not be damaged under the condition that a good sealing effect is achieved, and poor sealing of the oxygen cabin body due to the problems of damage, aging and the like in the using process is avoided.
2. According to the scheme, due to the adoption of the hard seal, when the upper cover of the pressure relief valve is rotated, after the upper cover and the valve rod integrally rotate in place, the hard seal pad is abutted against the connecting joint, so that a damping hand feeling exists, the pressure relief valve is placed to be excessively rotated, and the fact that the manual pressure relief valve is rotated in place is timely perceived;
3. in conclusion, the hard sealing scheme of the utility model can meet the sealing effect, cannot be damaged, has a damping effect, prevents the pressure release valve from rotating excessively, and timely senses that the manual pressure release valve is rotated in place.
Drawings
FIG. 1 is a schematic structural view of a manual pressure relief valve for an oxygen cabin according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the assembly of a manual pressure relief valve and an oxygen chamber according to an embodiment of the present utility model.
The parts of the above figures are shown as follows:
101. upper cover
102. Sealing gasket
1021. Upper hard sealing end face
1022. Lower hard sealing end face
103. Valve rod
1031. Limiting surface
201. Connecting joint
202. Silica gel sealing sheet
203 TPU rubber-coated joint.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the embodiment of the utility model discloses a manual pressure release valve for an oxygen cabin, which is used for pressure adjustment and pressure release of the oxygen cabin, and comprises an upper cover 101 and a valve rod 103, wherein the oxygen cabin is provided with a connecting joint 201, the upper cover 101 is fixedly connected with the valve rod 103, and the connecting joint 201 is sleeved on the valve rod 103. A sealing gasket 102 is arranged between the upper cover 101 and the connection joint 201, the sealing gasket 102 is sleeved at the upper end of the valve rod 103, the sealing gasket 102 is provided with an upper hard sealing end surface 1021 and a lower hard sealing end surface 1022, the upper hard sealing end surface 1021 of the sealing gasket 102 is in sealing fit with the lower part of the upper cover 101 in a sealing state, and the lower hard sealing end surface 1022 of the sealing gasket 102 is in sealing fit with the upper part of the connection joint 201.
The embodiment of the utility model mainly sets the hard sealing gasket 102 between the upper cover 101 and the connecting joint 201 which need to be sealed, and the sealing between the sealing gasket 102 and the upper cover 101 and the connecting joint 201 is hard sealing, so that the oxygen cabin body is not damaged under the condition of meeting good sealing effect, and the poor sealing of the oxygen cabin body caused by the problems of damage, aging and the like in the using process is avoided; meanwhile, due to the adoption of the hard seal, when the upper cover 101 of the pressure relief valve is rotated, after the upper cover 101 and the valve rod 103 are integrally rotated in place, the hard seal gasket 102 is propped against the connecting joint 201, so that a damping hand feeling exists, the pressure relief valve is prevented from rotating excessively, and the manual pressure relief valve is timely perceived to rotate in place.
In the above embodiment of the present utility model, the upper hard sealing end surface 1021 and the lower hard sealing end surface 1022 of the gasket 102 are both horizontal planes, the position of the lower part of the upper cover 101 corresponding to the upper hard sealing end surface 1021 is a horizontal plane, and the position of the upper part of the connecting joint 201 corresponding to the lower hard sealing end surface 1022 is a horizontal plane; good sealing effect is achieved by adopting plane sealing.
In the above embodiment of the present utility model, the gasket 102 is in an interference fit with the valve stem 103, and since the upper cover 101 and the valve stem 103 are rotated as a unit with respect to the oxygen chamber when the manual pressure release valve is rotated, the static friction between the upper cover 101 and the valve stem 103 can also prevent the relative rotation of the upper cover 101 and the valve stem 103 when the whole is rotated, thereby preventing the upper cover 101 and the valve stem 103 from being disassembled.
As shown in fig. 2, the manual pressure release valve in the above embodiment of the present utility model is assembled with an oxygen cabin, a connection joint 201 of the oxygen cabin is sleeved on a valve rod 103 of the manual pressure release valve, a silica gel sealing sheet 202 and a TPU rubber coating joint 203 are further arranged on a connection component of the oxygen cabin, air outlet holes are longitudinally uniformly distributed on the valve rod 103, and when the oxygen cabin is depressurized, the valve rod 103 is rotated, so that the valve rod 103 and the connection joint 201 perform outward relative movement, and the number of the air outlet holes exposed to the connection joint 201 is increased, thereby enabling internal air to enter from a vent hole at the bottom end of the valve rod 103 and flow out from the air outlet hole until the air pressure in the oxygen cabin reaches a set value.
In addition, a preferred embodiment to which the present utility model is applied will be described.
In a preferred embodiment of the present utility model, a manual pressure release valve for an oxygen cabin includes an upper cover 101 and a valve rod 103, wherein after the upper cover 101 is screwed with an upper end portion of the valve rod 103, a connection joint 201 is fixed on a connection portion of the upper cover 101 and the valve rod 103 in a gluing manner, a sealing gasket 102 is arranged between the upper cover 101 and the connection joint 201, the sealing gasket 102 is sleeved at an upper end of the valve rod 103, the sealing gasket 102 has an upper hard sealing end surface 1021 and a lower hard sealing end surface 1022, in a sealing state, the upper hard sealing end surface 1021 of the sealing gasket 102 is in sealing fit with a lower portion of the upper cover 101, and the lower hard sealing end surface 1022 of the sealing gasket 102 is in sealing fit with an upper portion of the connection joint 201; the upper hard sealing end surface 1021 and the lower hard sealing end surface 1022 of the sealing gasket 102 are both horizontal planes, the position of the lower part of the upper cover 101 corresponding to the upper hard sealing end surface 1021 is a horizontal plane, and the position of the upper part of the connecting joint 201 corresponding to the lower hard sealing end surface 1022 is a horizontal plane; the sealing gasket 102 is sleeved into the valve rod 103 from top to bottom, an upward limiting surface 1031 is arranged on the valve rod 103, and the limiting surface 1031 abuts against a lower hard sealing end surface 1022 of the sealing gasket 102 to limit downward displacement of the sealing gasket 102; specifically, the axial centers of the upper cover 101, the valve rod 103, the connection joint 201, and the gasket 102 coincide.
In the preferred embodiment of the present utility model, the gasket 102 is in an interference fit with the valve stem 103, and since the upper cover 101 and the valve stem 103 are rotated as a unit with respect to the oxygen chamber when the manual pressure release valve is rotated, the static friction between the upper cover 101 and the valve stem 103 can also prevent the relative rotation of the upper cover 101 and the valve stem 103 when the whole is rotated, thereby preventing the upper cover 101 and the valve stem 103 from being disassembled. Further, the axial centers of the upper cover 101, the valve rod 103, the connecting joint 201 and the sealing gasket 102 are overlapped, so that the rotation force and the angle are balanced when the manual pressure release valve is rotated, the sealing effect is improved, and the adjustment precision is improved.
In the preferred embodiment of the present utility model, the gasket 102 is made of a hard material, which may be a hard plastic, a metal, an alloy, or the like, preferably polytetrafluoroethylene; when the upper cover 101 is screwed, the hard material can prevent the upper cover 101 from being excessively screwed, so that the upper end of the valve rod 103 is propped open, and compared with a rubber sealing ring, the rubber ring is prevented from being transitionally rolled, so that the service life is shortened.
The above embodiments are provided to illustrate the technical concept and features of the present utility model and are intended to enable those skilled in the art to understand the content of the present utility model and implement the same, and are not intended to limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a manual relief valve is used in oxygen cabin for pressure adjustment, the pressure release in oxygen cabin, manual relief valve includes upper cover (101), valve rod (103), have attach fitting (201) on the oxygen cabin, upper cover (101) and valve rod (103) fixed connection, attach fitting (201) cover is established on valve rod (103), its characterized in that:
be equipped with sealed pad (102) between upper cover (101) and coupling (201), sealed pad (102) cover is established the upper end of valve rod (103), sealed pad (102) have hard seal terminal surface (1021) and lower hard seal terminal surface (1022), under sealed state, the last hard seal terminal surface (1021) of sealed pad (102) with upper cover (101) lower part seal laminating, the lower hard seal terminal surface (1022) of sealed pad (102) with coupling (201) upper portion seal laminating.
2. The manual pressure release valve for an oxygen cabin according to claim 1, wherein: the upper hard sealing end face (1021) and the lower hard sealing end face (1022) of the sealing gasket (102) are both horizontal planes, the position, corresponding to the upper hard sealing end face (1021), of the lower part of the upper cover (101) is a horizontal plane, and the position, corresponding to the lower hard sealing end face (1022), of the upper part of the connecting joint (201) is a horizontal plane.
3. The manual pressure release valve for an oxygen cabin according to claim 1, wherein: the sealing gasket (102) is sleeved into the valve rod (103) from top to bottom, an upward limiting surface (1031) is formed on the valve rod (103), and the limiting surface (1031) abuts against the lower hard sealing end surface (1022) of the sealing gasket (102) to limit downward displacement of the sealing gasket (102).
4. A manual pressure relief valve for an oxygen chamber according to claim 3, wherein: the gasket (102) is a hard material.
5. The manual pressure release valve for an oxygen cabin according to claim 4, wherein: the sealing gasket (102) is made of polytetrafluoroethylene.
6. The manual pressure release valve for an oxygen cabin according to claim 1, wherein: the gasket (102) is in interference fit with the valve stem (103).
7. The manual pressure release valve for an oxygen cabin according to claim 1, wherein: the valve rod (103) is longitudinally and uniformly provided with air outlet holes, and the valve rod (103) and the connecting joint (201) perform relative movement so that the number of the air outlet holes exposed out of the connecting joint (201) is increased or reduced.
8. The manual pressure release valve for an oxygen cabin according to claim 1, wherein: the axial centers of the upper cover (101), the valve rod (103), the connecting joint (201) and the sealing gasket (102) are overlapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223367458.XU CN219692302U (en) | 2022-12-15 | 2022-12-15 | Manual pressure release valve for oxygen cabin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223367458.XU CN219692302U (en) | 2022-12-15 | 2022-12-15 | Manual pressure release valve for oxygen cabin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219692302U true CN219692302U (en) | 2023-09-15 |
Family
ID=87943251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223367458.XU Active CN219692302U (en) | 2022-12-15 | 2022-12-15 | Manual pressure release valve for oxygen cabin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219692302U (en) |
-
2022
- 2022-12-15 CN CN202223367458.XU patent/CN219692302U/en active Active
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