CN201322037Y - Combined elastic gasket - Google Patents
Combined elastic gasket Download PDFInfo
- Publication number
- CN201322037Y CN201322037Y CNU2008201931320U CN200820193132U CN201322037Y CN 201322037 Y CN201322037 Y CN 201322037Y CN U2008201931320 U CNU2008201931320 U CN U2008201931320U CN 200820193132 U CN200820193132 U CN 200820193132U CN 201322037 Y CN201322037 Y CN 201322037Y
- Authority
- CN
- China
- Prior art keywords
- combined elastic
- dish
- elastic gasket
- pad
- combined
- 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
- 239000000956 alloy Substances 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001447 compensatory effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Images
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- Lift Valve (AREA)
- Gasket Seals (AREA)
Abstract
A combined elastic gasket is characterized in that the combined elastic gasket comprises at least two dished elastic gaskets (1, 2), wherein the dished elastic gaskets (1, 2) are provided with continuous dished curved surfaces and central through-holes which have the same diameter. The combined elastic gasket is suitable for the fastening of a flange threaded bolt of a plurality of devices, such as a high-temperature valve, a pipe line, a reactor, a heat exchanger and a high-temperature pump.
Description
Technical field
The utility model relates to machanical fastener, especially a kind of combined elastic pad.
Background technique
The main cause that the industry equipment static sealing is revealed is that the lax of fastening piece resilient pad pretightening force caused mostly.Existing resilient pad is only applicable to monolithic and uses, and its shortcoming is: 1. compensation ability is not strong, and the temperature fluctuation absorption difference can not guarantee that the pretightening force of bolt is remained the same from beginning to end; 2. at high temperature its compression shock absorption and compensation ability are poor, easily make the flange seal material deformation; 3. reduce the limited in one's ability of vibration under high and low temperature changes, becoming flexible can appear in bolt, and sealing is difficult for lasting.
Summary of the invention
The utility model provides the combined elastic pad of a kind of low stroke, high compensation in order to overcome the deficiency of above-mentioned technology.
Described combined elastic pad is characterized in that: it is constituted by at least two dish-shaped resilient pads, and described dish-shaped resilient pad is provided with the central through bore of continuous dish-shaped curved surface and same diameter.Described dish-shaped resilient pad can be respectively by being applicable to that the code name that uses in-193 ℃～320 ℃ and 120 ℃～600 ℃ temperature ranges makes for the alloy material of (597,80735).
The utility model is according to its dish-shaped continuous curve surface of former reason computer design of low stroke, high compensation.Its feature is: 1. have superpower compensation, with temperature difference fluctuation absorption in combined elastic pad inside, thereby the pretightening force that makes bolt consistently; 2. can be with the impact absorption of pressure, and the fluctuation of the compensatory pressure flange, the sealing material distortion that cause; 3. the harm of mechanical vibration can be dropped to minimum, thereby guarantee that bolt is not lax under high temperature and low temperature, sealing is lasting reliable.
The utility model is applicable to that the flange bolt of plurality of devices such as High temperature valve, pipeline, reactor, heat exchanger, high temperature pump is fastening.
Description of drawings
Fig. 1 is a combined elastic gasket construction schematic representation,
Fig. 2 is the side cutaway view of dish-shaped resilient pad,
Fig. 3 is a combined elastic pad scheme of installation.
Among the figure 1,2-dish resilient pad, 3-gasket seal, 4-bolt, 5-nut.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified: among Fig. 1,2, a kind of combined elastic pad, it is characterized in that: it is constituted by at least two dish-shaped resilient pads 1,2, and described dish-shaped resilient pad 1,2 is provided with the central through bore of continuous dish-shaped curved surface and same diameter.Described dish-shaped resilient pad 1,2 can be respectively by being applicable to that the code name that uses in-193 ℃～320 ℃ and 120 ℃～600 ℃ temperature ranges makes for the alloy material of (597,80735).
Its using method is (among Fig. 3): the combined elastic pad can be adopted as required biplate overlapping or use folded.
Its operating temperature range is: adopt alloy code name 597 for-193 ℃～320 ℃; Adopting alloy code name 80735 is 120 ℃～600 ℃.
Claims (2)
1. combined elastic pad, it is characterized in that: it is constituted by at least two dish-shaped resilient pads (1,2), and described dish-shaped resilient pad (1,2) is provided with the central through bore of continuous dish-shaped curved surface and same diameter.
2. combined elastic pad according to claim 1 is characterized in that: described dish-shaped resilient pad (1,2) can be respectively by being applicable to that the code name that uses in-193 ℃～320 ℃ and 120 ℃～600 ℃ temperature ranges is that 597,80735 alloy material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201931320U CN201322037Y (en) | 2008-11-27 | 2008-11-27 | Combined elastic gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201931320U CN201322037Y (en) | 2008-11-27 | 2008-11-27 | Combined elastic gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201322037Y true CN201322037Y (en) | 2009-10-07 |
Family
ID=41159421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201931320U Expired - Fee Related CN201322037Y (en) | 2008-11-27 | 2008-11-27 | Combined elastic gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201322037Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191502A (en) * | 2010-02-04 | 2011-09-21 | 东京毅力科创株式会社 | Gas shower structure and substrate processing apparatus |
| CN113280025A (en) * | 2021-05-19 | 2021-08-20 | 中国科学院长春光学精密机械与物理研究所 | Line expansion compensation gasket for image sensor |
| CN113969932A (en) * | 2021-10-25 | 2022-01-25 | 重庆大学 | Self-locking double-nut anti-loose bolt structure |
| CN116480809A (en) * | 2023-04-23 | 2023-07-25 | 律扬（上海）自动化工程有限公司 | Pressure relief backflow valve and spraying system |
-
2008
- 2008-11-27 CN CNU2008201931320U patent/CN201322037Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102191502A (en) * | 2010-02-04 | 2011-09-21 | 东京毅力科创株式会社 | Gas shower structure and substrate processing apparatus |
| CN102191502B (en) * | 2010-02-04 | 2013-06-05 | 东京毅力科创株式会社 | Gas shower structure and substrate processing apparatus |
| CN113280025A (en) * | 2021-05-19 | 2021-08-20 | 中国科学院长春光学精密机械与物理研究所 | Line expansion compensation gasket for image sensor |
| CN113969932A (en) * | 2021-10-25 | 2022-01-25 | 重庆大学 | Self-locking double-nut anti-loose bolt structure |
| CN116480809A (en) * | 2023-04-23 | 2023-07-25 | 律扬（上海）自动化工程有限公司 | Pressure relief backflow valve and spraying system |
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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 |
Granted publication date: 20091007 Termination date: 20161127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |