CN210799690U - Double-side sealing type composite waterproof gasket - Google Patents
Double-side sealing type composite waterproof gasket Download PDFInfo
- Publication number
- CN210799690U CN210799690U CN201921942081.1U CN201921942081U CN210799690U CN 210799690 U CN210799690 U CN 210799690U CN 201921942081 U CN201921942081 U CN 201921942081U CN 210799690 U CN210799690 U CN 210799690U
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- China
- Prior art keywords
- gasket
- gasket body
- sealing washer
- sealing
- double
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- 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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 67
- 239000002131 composite material Substances 0.000 title claims abstract description 27
- 229920001971 elastomer Polymers 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 17
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000001125 extrusion Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000007799 cork Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
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- Gasket Seals (AREA)
Abstract
The utility model discloses a double-sided sealing type composite waterproof gasket, which comprises a gasket body, a lower composite rubber gasket and an upper sealing ring, wherein the gasket body is in a round platform shape, a gasket through hole is arranged in the center of the gasket body, the lower end surface of the gasket body is provided with the lower composite rubber gasket matched with the gasket body, the upper end of the gasket body is provided with an upper sealing ring matched with an upper screw head, the upper sealing ring and the gasket through hole are coaxially arranged, the utility model improves the sealing performance of the gasket by arranging the rubber gasket on the lower end surface of the gasket body and arranging the sealing ring on the upper end surface of the gasket body, ensures good sealing performance on the upper end and the lower end of the gasket, prevents liquid leakage and dust from entering, protects the upper sealing ring by arranging a limit annular boss in the gasket body, and can prevent the sealing ring from being damaged due to excessive extrusion, affecting the sealing performance.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of screw gasket, especially composite pad's technical field.
[ background of the invention ]
Gaskets are mechanical seals between two objects, typically to prevent pressure, corrosion, and natural thermal expansion and contraction leakage of the tubing between the two objects. Since the machined surface may not be perfect, the irregularities can be filled using shims. The gasket is typically made of a sheet material such as paper, rubber, silicone rubber, metal, cork, felt, neoprene, nitrile rubber, fiberglass, or plastic polymer. The composite gasket is one of gaskets and is mainly used for sealing bolts, but the sealing performance of the existing composite gasket is general, the existing composite gasket is mostly provided with a sealing rubber pad on a single surface, the sealing performance between the metal surface of the gasket and the bolts is not enough, and the leakage is easy to occur.
[ Utility model ] content
The utility model aims at solving the problem among the prior art, provide a compound waterproof gasket of two-sided canned type, can improve the sealing performance of gasket, the both ends homoenergetic keeps the leakproofness well about the gasket, prevents the weeping, advances the ash.
In order to realize the purpose, the utility model provides a two-sided canned type composite waterproof gasket, including gasket body, lower composite rubber pad, upper seal circle, the gasket body be the round platform type, gasket body center be equipped with the gasket through-hole, the gasket body under the terminal surface be equipped with can rather than complex lower composite rubber pad, gasket body upper end be equipped with can with upper end screw spiral shell head complex upper seal circle, upper seal circle and the coaxial setting of gasket through-hole.
Preferably, the lower end face of the gasket body is provided with an inward concave cavity which is concave upwards, the upper end of the inward concave cavity is communicated with the through hole of the gasket, and the lower composite rubber gasket is attached to the surface of the inward concave cavity.
Preferably, the wall thickness of the inner concave cavity is gradually increased from bottom to top until the lower end of the gasket through hole.
Preferably, the gasket body upper end be equipped with can with last sealing washer complex go up the sealing washer mounting groove, last sealing washer locate in the sealing washer mounting groove.
Preferably, the upper end of the gasket body, which is close to the inner ring of the upper sealing ring, is provided with a gasket body inner limiting annular boss which can be matched with the upper sealing ring, and the horizontal height of the upper end surface of the gasket body inner limiting annular boss is lower than that of the upper end surface of the upper sealing ring.
Preferably, the upper end of the gasket body is provided with an upper flange close to the outer ring of the upper sealing ring, and the horizontal height of the upper end face of the upper flange of the gasket body is higher than that of the upper end face of the upper sealing ring.
The utility model relates to a compound waterproof gasket of two-sided canned type's beneficial effect: the utility model discloses a will set up the rubber pad through terminal surface under the gasket body, set up the sealing washer with gasket body up end, both ends homoenergetic keeps good leakproofness about the gasket, improves the sealing performance of gasket, prevents the weeping, advances the dust, through setting up this internal spacing annular boss protection upper seal circle of gasket, can prevent that the sealing washer from because excessive extrusion causes the damage, influences sealing performance.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a double-sided sealing type composite waterproof gasket of the present invention;
fig. 2 is a front sectional view of the double-sided sealing type composite waterproof gasket of the present invention;
fig. 3 is a schematic structural view of a double-sided sealing type composite waterproof gasket of the present invention.
In the figure: 1-a gasket body, 2-a lower composite rubber gasket, 3-an upper sealing ring, 11-a gasket through hole, 12-an inner concave cavity, 13-an upper sealing ring installation groove, 14-a limiting annular boss in the gasket body, and 15-an upper flange of the gasket body.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
Referring to fig. 1, 2 and 3, the utility model relates to a double-sided sealing type composite waterproof gasket, which comprises a gasket body 1, a lower composite rubber gasket 2 and an upper sealing ring 3, wherein the gasket body 1 is in a round platform shape, a gasket through hole 11 is arranged at the center of the gasket body 1, the lower end surface of the gasket body 1 is provided with the lower composite rubber gasket 2 which can be matched with the gasket body 1, the upper sealing ring 3 which can be matched with the screw head of an upper screw is arranged at the upper end of the gasket body 1, the upper sealing ring 3 is coaxially arranged with the gasket through hole 11, an inner concave cavity 12 which is concave upwards is arranged at the lower end surface of the gasket body 1, the upper end of the inner concave cavity 12 is communicated with the gasket through hole 11, the lower composite rubber gasket 2 is attached to the surface of the inner concave cavity 12, the thickness of the cavity wall of the inner concave cavity 12 is, gasket body 1 upper end be equipped with can with last sealing washer 3 complex go up sealing washer mounting groove 13, last sealing washer 3 locate in last sealing washer mounting groove 13, 1 upper end of gasket body be close to 3 inner rings departments of last sealing washer and be equipped with can with 3 complex gasket body internal spacing annular boss 14 of last sealing washer, this internal spacing annular boss 14 of gasket up end level be less than the up end level of last sealing washer 3, 1 upper end of gasket body be close to 3 outer rings departments of last sealing washer and be equipped with flange 15 on the gasket body, the gasket body on flange 15 up end level be higher than the up end level of last sealing washer 3.
The utility model discloses the working process:
the utility model relates to a compound waterproof gasket of two-sided canned type is in the course of the work, pass the screw rod of screw from gasket through-hole 11, flange 15 end up on gasket body 1's the gasket body, the spiral shell head lower extreme of screw falls into in flange 15 on the gasket body, screw up the screw, screw up the in-process, inner cavity 12 of 1 lower extreme of gasket body receives decurrent extrusion force, after the atress reaches a certain degree, inner cavity 12 chamber wall is down warp, lower compound rubber pad 2 and lower extreme workpiece surface contact on the inner cavity 12 chamber wall, go up sealing washer 3 and spiral shell head contact, go up sealing washer 3 and screw spiral shell head contact and take place extrusion deformation, 14 surface contact of spacing annular boss in screw spiral shell head and the gasket body, form upper and lower both ends bilayer and seal.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (6)
1. The utility model provides a compound waterproof gasket of two-sided canned type which characterized in that: including gasket body (1), lower compound rubber pad (2), go up sealing washer (3), gasket body (1) be the round platform type, gasket body (1) center be equipped with gasket through-hole (11), gasket body (1) down the terminal surface be equipped with can rather than complex lower compound rubber pad (2), gasket body (1) upper end be equipped with can with upper end screw spiral shell head complex go up sealing washer (3), last sealing washer (3) and the coaxial setting of gasket through-hole (11).
2. The double-sided sealing type composite waterproof gasket as set forth in claim 1, wherein: the gasket body (1) lower terminal surface be equipped with concave cavity (12) sunken upwards, concave cavity (12) upper end and gasket through-hole (11) intercommunication, lower composite rubber pad (2) paste and locate concave cavity (12) surface.
3. The double-sided sealing type composite waterproof gasket as set forth in claim 2, wherein: the wall thickness of the inner concave cavity (12) is gradually increased from bottom to top until the lower end of the gasket through hole (11).
4. The double-sided sealing type composite waterproof gasket as set forth in claim 1, wherein: gasket body (1) upper end be equipped with can with last sealing washer (3) complex go up sealing washer mounting groove (13), last sealing washer (3) locate in last sealing washer mounting groove (13).
5. The double-sided sealing type composite waterproof gasket as set forth in claim 4, wherein: gasket body (1) upper end be close to last sealing washer (3) inner ring department be equipped with can with this internal spacing annular boss (14) of gasket of last sealing washer (3) complex, this internal up end level of spacing annular boss (14) of gasket be less than the up end level of last sealing washer (3).
6. The double-sided sealing type composite waterproof gasket as set forth in claim 1, wherein: the gasket is characterized in that an upper flange (15) of the gasket body is arranged at the upper end of the gasket body (1) close to the outer ring of the upper sealing ring (3), and the horizontal height of the upper end surface of the upper flange (15) of the gasket body is higher than that of the upper end surface of the upper sealing ring (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942081.1U CN210799690U (en) | 2019-11-12 | 2019-11-12 | Double-side sealing type composite waterproof gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921942081.1U CN210799690U (en) | 2019-11-12 | 2019-11-12 | Double-side sealing type composite waterproof gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799690U true CN210799690U (en) | 2020-06-19 |
Family
ID=71230455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921942081.1U Expired - Fee Related CN210799690U (en) | 2019-11-12 | 2019-11-12 | Double-side sealing type composite waterproof gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210799690U (en) |
-
2019
- 2019-11-12 CN CN201921942081.1U patent/CN210799690U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314300 no.1188 Jinshan Road, Baibu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Dazhang Hardware Technology Co.,Ltd. Address before: 314300 south of Weiliu Road and west of Jingsi Road, Baibu Town Industrial Park, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: Haiyan Dazhang Hardware Products Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |