CN205896156U - Concave -convex type seal gasket - Google Patents
Concave -convex type seal gasket Download PDFInfo
- Publication number
- CN205896156U CN205896156U CN201620810913.4U CN201620810913U CN205896156U CN 205896156 U CN205896156 U CN 205896156U CN 201620810913 U CN201620810913 U CN 201620810913U CN 205896156 U CN205896156 U CN 205896156U
- Authority
- CN
- China
- Prior art keywords
- gasket
- connecting portion
- concave
- disc
- dish
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a seal structure field of pipe flange, concretely relates to concave -convex type seal gasket. A concave -convex type seal gasket, it includes disc -shaped gasket, its characterized in that: disc -shaped gasket is last to be equipped with the round or evenly to be equipped with the annular groove of many rings of cross sections for invering isosceles trapezoid, the annular groove is the upper portion gasket with the disc -shaped gasket branch for upper portion gasket, lower part gasket and connecting portion three, the disc -shaped gasket part that lies in upper portion, lies in the partial lower part gasket that is of disc -shaped gasket of lower part, lies in the partial connecting portion that are of disc -shaped gasket of middle slope, the contained angle is connected for convex with upper portion gasket and lower part gasket to connecting portion. Complicated operating mode such as high temperature, high pressure, vibrations can be applied to to this gasket to keep good leakproofness for a long time, the effectual leakage that prevents the flange.
Description
Technical field
This utility model is related to the sealing structure field of pipe flange and in particular to a kind of concave-convex type gasket seal.
Background technology
It is sealed in the equipment installation process of industrial department and occupy consequence.Due to complex technical process, machinery fortune
Row condition is harsh.The safety of production system or cell arrangement, reliability, economy, be heavily dependent on sealing has
Effect property, and the effective contact area of the rebound performance of pad, pad and end face of flange is that impact sealing two of effectiveness is important
Factor.Traditional metallic gasket is difficult to larger resilience because of the restriction of structure, and needs larger pretightning force in pretension,
And larger pretightning force can make pad, bolt etc. be easier to lead to the leakage of bolted flange joints because producing obvious creep.
Utility model content
For above-mentioned technical problem, the purpose of this utility model is to provide a kind of concave-convex type gasket seal, this pad energy
Enough it is applied to the complicated operating mode such as high temperature, high pressure, vibrations, and keeps good sealing for a long time, effectively prevent letting out of flange
Leakage.
For achieving the above object, technical solution adopted in the utility model is:
A kind of concave-convex type gasket seal, it includes dish-shaped pad；It is characterized in that: described dish pad be provided with a circle or
Being uniformly provided with multi-turn cross section is the annular groove being inverted isosceles trapezoid；Dish-shaped pad has been divided into top pad by institute's annular groove
Piece, lower gasket and three parts of connecting portion, superposed dish shim portions are upper gasket, positioned at the dish pad of bottom
Piece part is lower gasket, is connecting portion positioned at the dish-shaped shim portions of intermediate, inclined；Described connecting portion and upper gasket and under
The connection angle of portion's pad is circular arc.
The innermost part also concave downward of described dish pad, the bottom of depression is also lower gasket, this lower gasket
Part and upper gasket between is also connecting portion, and this connecting portion is also circular arc with the connection angle of upper gasket and lower gasket
Shape.
The beneficial effects of the utility model are: pad of the present utility model can be applied to the complexity such as high temperature, high pressure, vibrations
Operating mode, and keep good sealing for a long time, effectively prevent the leakage of flange.This utility model rebound performance good (because
The concave-convex type structure of itself has better rebound performance compared with traditional pad), the required pretightning force in pretension
Less, the creep of pad, bolt can be reduced, and then improve the physical life of bolted flange joints.This utility model is because of knot
Structure is simply easy to punch forming.Pad of the present utility model forms multistage dense sealed knot with the end face of flange in use
Structure, enhances the sealing effectiveness of bolted flange joints.Connecting portion is circular arc with the connection angle of upper gasket and lower gasket
Shape (is done rounding to process), to avoid the stress concentration leading to because of the mutation of geometry.
Brief description
Fig. 1 is overall structure diagram of the present utility model (i.e. schematic cross-section).
Fig. 2 is the enlarged diagram of a part in Fig. 1.
In figure: 1 upper gasket, 2 lower gasket, 3 connecting portions.
Specific embodiment
In order to more fully understand this utility model, with reference to embodiment and accompanying drawing, the technical solution of the utility model is done
Further instruction (as shown in Figure 1, 2).
A kind of concave-convex type gasket seal, it includes dish-shaped pad；Described dish pad is provided with a circle or is uniformly provided with many
Circle cross section is the annular groove being inverted isosceles trapezoid (the angle number of degrees of isosceles trapezoid to be sized according to specific needs)；Institute
Dish-shaped pad has been divided into upper gasket 1, lower gasket 2 and 3 three parts of connecting portion, superposed dish pad by annular groove
Piece part is upper gasket 1, and the dish-shaped shim portions positioned at bottom are inverted the bottom of isosceles trapezoid for lower gasket 2(), it is located at
The dish-shaped shim portions of intermediate, inclined are inverted the hypotenuse of isosceles trapezoid for connecting portion 3()；Described connecting portion 3 and upper gasket 1
Connection angle with lower gasket 2 is circular arc (doing rounding to process).
The innermost part also concave downward of described dish pad, the bottom of depression is also lower gasket 2, this lower gasket
Part between 2 and upper gasket 1 is also connecting portion 3, the connection angle of this connecting portion 3 and upper gasket 1 and lower gasket 2
For circular arc.
This utility model can adopt different materials according to different use conditions.
Described above be only Application Example of the present utility model, certainly can not with this to limit this utility model it
Interest field, the equivalence changes therefore made according to this utility model claim, still belong to protection domain of the present utility model.
Claims (2)
1. a kind of concave-convex type gasket seal, it includes dish-shaped pad；It is characterized in that: described dish pad is provided with a circle or equal
The even multi-turn cross section that is provided with is the annular groove being inverted isosceles trapezoid；Dish-shaped pad has been divided into upper gasket by institute's annular groove
(1), lower gasket (2) and (3) three parts of connecting portion, superposed dish shim portions are upper gasket (1), are located at down
The dish-shaped shim portions in portion are lower gasket (2), are connecting portion (3) positioned at the dish-shaped shim portions of intermediate, inclined；Described connection
Portion (3) is circular arc with the connection angle of upper gasket (1) and lower gasket (2).
2. a kind of concave-convex type gasket seal according to claim 1 it is characterised in that: described dish pad medial part
Divide also concave downward, the bottom of depression is also lower gasket (2), the part between this lower gasket (2) and upper gasket (1)
For connecting portion (3), this connecting portion (3) is also circular arc with the connection angle of upper gasket (1) and lower gasket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810913.4U CN205896156U (en) | 2016-07-29 | 2016-07-29 | Concave -convex type seal gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620810913.4U CN205896156U (en) | 2016-07-29 | 2016-07-29 | Concave -convex type seal gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896156U true CN205896156U (en) | 2017-01-18 |
Family
ID=57784468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620810913.4U Expired - Fee Related CN205896156U (en) | 2016-07-29 | 2016-07-29 | Concave -convex type seal gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896156U (en) |
-
2016
- 2016-07-29 CN CN201620810913.4U patent/CN205896156U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204664681U (en) | A kind of high-temperature flange pad profile of tooth contact linkage structure | |
| CN204420391U (en) | A kind of flange sealing structure based on wave tooth composite gasket | |
| CN204420390U (en) | A kind of novel flange sealing configuration | |
| CN206072601U (en) | Wedge compression self-energized seal flange | |
| CN205578973U (en) | Fastening type flange connections | |
| CN205896156U (en) | Concave -convex type seal gasket | |
| CN205859420U (en) | High Temperature High Pressure flange under a kind of condition of supercritical water seals structure | |
| CN205896165U (en) | Dish flexible graphite metal corrugated metal gaskets | |
| CN205639960U (en) | High temperature flange joint structure | |
| CN202884318U (en) | Seal flange with pressure check rings | |
| CN2814034Y (en) | C type ring sealing spacer | |
| CN205639656U (en) | Blowdown trap | |
| CN204099586U (en) | Gasket seal | |
| CN207661399U (en) | A kind of nonstandard welding neck collar loose flange | |
| CN107269861A (en) | A kind of blowdown drain valve | |
| CN205446694U (en) | New construction of elasticity seal | |
| CN106247049A (en) | A kind of concave-convex type soft graphite metal wave tooth Composition spacer | |
| CN204961865U (en) | Weld adiabatic for gas cylinder stop valve | |
| CN204358089U (en) | A kind of self tightening different angle flank of tooth bipyramid ring pad | |
| CN203068002U (en) | Flange plate | |
| CN203357750U (en) | Sealing structure for central rod of vulcanizing machine | |
| CN207112217U (en) | A kind of straight pipeline self-tightening sealing formula blocking clamper | |
| CN206637153U (en) | A kind of flange | |
| CN103349943B (en) | Structure for prolonging service life of kettle body sealing surface of high-temperature and high-pressure kettle | |
| CN206523189U (en) | A kind of gas meter movement group sealing mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20190729 |