CN220556073U - Halogenated butyl rubber gasket for medicinal aerosol valve system - Google Patents
Halogenated butyl rubber gasket for medicinal aerosol valve system Download PDFInfo
- Publication number
- CN220556073U CN220556073U CN202322195599.6U CN202322195599U CN220556073U CN 220556073 U CN220556073 U CN 220556073U CN 202322195599 U CN202322195599 U CN 202322195599U CN 220556073 U CN220556073 U CN 220556073U
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- Prior art keywords
- rubber gasket
- valve
- annular
- valve system
- rod
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- 239000000443 aerosol Substances 0.000 title claims abstract description 19
- 229920005555 halobutyl Polymers 0.000 title claims abstract description 14
- 229920001971 elastomer Polymers 0.000 claims abstract description 46
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims description 3
- 125000004968 halobutyl group Chemical group 0.000 claims 6
- 230000000694 effects Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010586 diagram Methods 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
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
Abstract
The utility model provides a halogenated butyl rubber gasket for a medicinal aerosol valve system, which relates to the technical field of rubber gaskets, and is arranged in the valve system, wherein the valve system comprises a sealing cup, a valve body and a valve rod; the valve rod comprises an upper section rod body and a lower section rod body, the upper section rod body is provided with a diameter reduction section, the inner ring surface of the rubber gasket is arc-shaped, and the inner ring surface of the rubber gasket is clamped in the diameter reduction section; the top surface of the lower section rod body is inclined downwards to form an annular positioning inclined plane, and the lower part of the rubber gasket forms an annular cover surface matched with the annular positioning inclined plane. According to the utility model, the rubber gasket is contacted with the central valve rod through the annular inclined surface, so that the contact area is increased, the stability of the valve rod is improved, and meanwhile, the arc-shaped surface matched with the valve rod in shape is arranged on the inner annular surface of the rubber gasket, so that the tightness between the gasket and the valve rod can be enhanced. The grooves and the protrusions which are matched with each other are arranged between the rubber gasket and the valve body, so that the sealing performance is further improved.
Description
Technical Field
The utility model relates to the technical field of rubber gaskets, in particular to a halogenated butyl rubber gasket for a medicinal aerosol valve system.
Background
The aerosol is widely used as an important medical agent, and is generally loaded with high-pressure gas, solution and powder agent, namely, the aerosol relates to gas, liquid and solid three-phase substances, a valve can be opened by pressing a valve head, then the solution and the powder agent are extruded from the bottle cavity under high pressure through the high-pressure gas, and meanwhile, under the mixing of the high-pressure gas, the gas, liquid and solid three-phase suspension spray is formed, so that the aerosol is conveniently sprayed on an affected part to perform treatment.
Because the internal pressure of the aerosol is high, the sealing performance of the valve head part is very important, and the service life of the aerosol is determined, so that the sealing effect of the valve head part is urgently needed to be improved.
Disclosure of Invention
The utility model aims to provide a halogenated butyl rubber gasket for a medicinal aerosol valve system, which is used for solving the problem that the sealing effect of the existing aerosol valve is to be improved.
The utility model is realized in the following way: the halogenated butyl rubber gasket for the medicinal aerosol valve system is arranged in the valve system, wherein the valve system comprises a sealing cup, a valve body and a valve rod, the center of the valve body is provided with a through hole, the valve rod sequentially penetrates through the valve body and the sealing cup, and the rubber gasket is sleeved on the outer side of the valve rod and is positioned between the valve body and the sealing cup;
the valve rod comprises an upper section rod body and a lower section rod body, the upper section rod body is provided with a diameter reduction section, the inner ring surface of the rubber gasket is arc-shaped, and the inner ring surface of the rubber gasket is clamped in the diameter reduction section; the top surface of the lower section rod body is inclined downwards to form an annular positioning inclined plane, and the lower part of the rubber gasket forms an annular cover surface matched with the annular positioning inclined plane.
Preferably, an annular protrusion is provided on the top of the valve body, and an annular groove opposite to the annular protrusion is provided on the bottom surface of the rubber gasket.
Preferably, the number of the annular protrusions and the number of the annular grooves are two.
Preferably, the upper part of the valve body is in a sinking groove shape, and the rubber gasket ring is arranged in the sinking groove.
Preferably, a valve hole is formed in the reduced diameter section of the valve rod.
Preferably, the rubber gasket is made of halogenated butyl material.
By adopting the technical scheme, the rubber gasket is contacted with the central valve rod through the annular inclined surface, so that the contact area is increased, the stability of the valve rod is improved, and meanwhile, the arc-shaped surface matched with the valve rod in shape is arranged on the inner annular surface of the rubber gasket, so that the tightness between the gasket and the valve rod can be enhanced. The grooves and the protrusions which are matched with each other are arranged between the rubber gasket and the valve body, so that the sealing performance is further improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
fig. 2 is an enlarged partial schematic view of fig. 1.
In the figure: 1-sealing cup, 2-valve body, 3-valve rod, 4-rubber gasket, 5-diameter-reducing section, 6-sinking groove, 7-annular positioning inclined plane, 8-annular cover surface, 9-annular protrusion and 10-annular groove.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit 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 "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", 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 referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not 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.
As shown in fig. 1-2, the utility model provides a halogenated butyl rubber gasket for a medicinal aerosol valve system, which is arranged in the valve system, wherein the valve system comprises a sealing cup 1, a valve body 2 and a valve rod 3, a through hole is arranged in the center of the valve body 2, and the valve rod 3 sequentially penetrates through the valve body 2 and the sealing cup 1. The rubber gasket 4 is pressed between the valve body 2 and the sealing cup 1, the valve rod 3 is arranged in the rubber gasket 4 in a penetrating way, and the rubber gasket 4 and the valve rod 3 are movably sealed.
In order to enhance the sealing effect, the utility model is provided with a diameter-reducing section 5 on the rod body of the valve rod 3, and a valve hole communicated with the valve chamber is arranged on the diameter-reducing section 5. The inner ring surface of the rubber gasket 4 is arc-shaped, the inner ring surface of the rubber gasket 4 is clamped in the diameter-reducing section 5, on one hand, the arc-shaped inner ring surface of the rubber gasket 4 is matched with the shape of the outer wall of the diameter-reducing section 5, and a good sealing effect can be achieved; on the other hand, after the rubber gasket 4 is pressed, the arc inner ring surface is easier to deform, so that the sealing performance of the valve hole is better.
Further, a sinking groove 6 is arranged at the upper part of the valve body 2, and the rubber gasket 4 is arranged in the sinking groove 6.
The upper section of the valve rod 3 penetrates out of the rubber gasket 4 and the sealing cup 1, and the lower end of the valve rod is reserved in the through hole of the valve body 2. The top surface downward sloping of valve rod 3 hypomere forms annular location inclined plane 7, and the below of the arc interior anchor ring of rubber packing ring 4 is provided with the annular top facing 8 that matches with annular location inclined plane 7 face, makes the location more accurate between valve rod 3 and the rubber packing ring 4, and annular location inclined plane 7 makes the area of contact between valve rod 3 and the rubber packing ring 4 increase with annular top facing 8, has improved the stationarity when valve rod moves, improves sealed effect.
Further, an annular protrusion 9 is provided on the top of the valve body 2, and an annular groove 10 is provided on the bottom surface of the rubber gasket 4 at a position opposite to the annular protrusion 9. Preferably, the number of the annular protrusions 9 and the number of the annular grooves 10 are two.
Further, the rubber gasket is made of halogenated butyl material
According to the utility model, the rubber gasket is contacted with the central valve rod through the annular inclined surface, so that the contact area is increased, the stability of the valve rod is improved, and meanwhile, the arc-shaped surface matched with the valve rod in shape is arranged on the inner annular surface of the rubber gasket, so that the tightness between the gasket and the valve rod can be enhanced. The grooves and the protrusions which are matched with each other are arranged between the rubber gasket and the valve body, so that the sealing performance is further improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (6)
1. The halogenated butyl rubber gasket for the medicinal aerosol valve system is arranged in the valve system and is characterized in that the valve system comprises a sealing cup, a valve body and a valve rod, a through hole is formed in the center of the valve body, the valve rod sequentially penetrates through the valve body and the sealing cup, and the rubber gasket is sleeved on the outer side of the valve rod and is positioned between the valve body and the sealing cup;
the valve rod comprises an upper section rod body and a lower section rod body, the upper section rod body is provided with a diameter reduction section, the inner ring surface of the rubber gasket is arc-shaped, and the inner ring surface of the rubber gasket is clamped in the diameter reduction section; the top surface of the lower section rod body is inclined downwards to form an annular positioning inclined plane, and the lower part of the rubber gasket forms an annular cover surface matched with the annular positioning inclined plane.
2. A halobutyl rubber gasket for a medicinal aerosol valve system as set forth in claim 1, wherein an annular projection is provided on the top of said valve body and an annular recess is provided on the bottom surface of said gasket opposite the location of the annular projection.
3. A halobutyl rubber gasket for a medicinal aerosol valve system as set forth in claim 2, wherein the number of said annular projections and said annular recesses is two.
4. A halobutyl rubber gasket for a medicinal aerosol valve system as set forth in claim 1, wherein said upper portion of said valve body is in the form of a countersink, and said rubber gasket is disposed in said countersink.
5. A halobutyl rubber gasket for a medicinal aerosol valve system as set forth in claim 1, wherein a valve orifice is provided at the reduced diameter section of said valve stem.
6. A halobutyl rubber gasket for a medicinal aerosol valve system as set forth in claim 1, wherein said gasket is made of halobutyl material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195599.6U CN220556073U (en) | 2023-08-15 | 2023-08-15 | Halogenated butyl rubber gasket for medicinal aerosol valve system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322195599.6U CN220556073U (en) | 2023-08-15 | 2023-08-15 | Halogenated butyl rubber gasket for medicinal aerosol valve system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220556073U true CN220556073U (en) | 2024-03-05 |
Family
ID=90051799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322195599.6U Active CN220556073U (en) | 2023-08-15 | 2023-08-15 | Halogenated butyl rubber gasket for medicinal aerosol valve system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220556073U (en) |
-
2023
- 2023-08-15 CN CN202322195599.6U patent/CN220556073U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |