CN2519879Y - Seal clamp for flange connection - Google Patents
Seal clamp for flange connection Download PDFInfo
- Publication number
- CN2519879Y CN2519879Y CN 01277744 CN01277744U CN2519879Y CN 2519879 Y CN2519879 Y CN 2519879Y CN 01277744 CN01277744 CN 01277744 CN 01277744 U CN01277744 U CN 01277744U CN 2519879 Y CN2519879 Y CN 2519879Y
- Authority
- CN
- China
- Prior art keywords
- flange
- hole
- sealant
- utility
- clamp
- 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
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Abstract
A sealing fixture for flange connection pertains to the flange connection field, which comprises two clips arranged face to face and connected in cooperation with the flange, and the retaining tongue of each clip is fastened between two flanges, a sealant-injected hole is arranged on the outer circular face of each clip in radial direction; the utility model is characterized in that the sealant-injected hole arranged on one of the clips is a through hole, the sealant-injected hole arranged on the other is a blind hole, the two sides of each clip are provided respectively with sealing ring grooves communicating with the sealant-injected hole, an elastic sealing ring is arranged in the sealing ring groove, whose breadth is more than the width of the sealing groove. The utility model takes use of the good elasticity of the sealing ring to solve the problems of unequal flange distance and the sealant vulcanized shrinkage, and has a good sealing effect; the utility model enables a low clip processing and measurement requirements, and avoids effectively the medium leakage so as to maintain normal production and prevent environment pollution; the utility model can be widely applied to a flange or a big valve cap with a distance between 2-5 mm.
Description
Technical field
The utility model belongs to flange and connects the field, is specifically related to a kind of seal arrangement with seal ring.
Technical background
At present, be applied in the flange seal of the medium transport pipe of industries such as petrochemical industry, chemical fertilizer, medicine, generally adopt the jig sealing.This kind jig cooperates the clamp of two band block tongues that connect to form by the outer circumferential face that is arranged on flange and with flange, the block tongue on each clamp is stuck between two flanges, injects sealer between block tongue and flange gasket.There is following defective in this kind jig in application:
(1) because two joining flange spacings may be unequal in actual applications, thereby causes not waiting of the clamp block tongue thickness that is mated, both caused the difficulty of clamp manufacturing, cause easily that also medium reveals.
(2) sealer between block tongue and flange gasket causes volume shrinkage owing to vulcanizing, but the clamp block tongue is a rigid construction, thereby easily causes sealing load decline in the Seal cage, thereby causes the medium leakage phenomenon.
The model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of sealing jig that flange connects that is used for of good sealing effect, its scheme that adopts is: design a kind of sealing jig that flange connects that is used for, comprise two clamps that cooperate connection and be oppositely arranged with flange, block tongue on each clamp is stuck between two flanges, outer circumferential face from each clamp is radially offered hole for injecting glue, feature is that the hole for injecting glue of offering on the clamp is a through hole, the hole for injecting glue of offering on another clamp is a blind hole, the both sides of each block tongue are offered the closure gasket groove that communicates with hole for injecting glue respectively, place elastic seal ring in the closure gasket groove, the thickness of elastic seal ring is greater than the groove width of seal groove.
The utility model, has compensated because the medium leakage problem that contraction causes, good sealing effect are vulcanized in not waiting with sealer of flange spacing by means of the good harmomegathus elasticity of elastic seal ring owing to adopted elastic seal ring; Processing, measurement requirement to clamp are low, and can avoid effectively, in time influences normal operation in process units ground and environmental pollution because of the medium leakage; Can be widely used in flange or the big lid sealing and plugging of valve that spacing is 2mm-5mm connects.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model embodiment's a structural representation;
Embodiment
As shown in the figure: clamp 2,8 cooperates connection with flange 4,5 respectively, block tongue on the clamp 2,8 is stuck between the flange 4,5, the both sides of each block tongue are offered closure gasket groove respectively, place elastic seal ring 3,6 in the closure gasket groove respectively, and the thickness of elastic seal ring is greater than the groove width of seal groove.Like this, when elastic seal ring 6 is installed, produced certain sealing load between elastic seal ring and the flange outer circumferential face.Offer blind hole on the clamp 2, by rubber injecting valve 1 by injection sealer 10 in the space (Seal cage) of hole for injecting glue between elastic seal ring 6 and closure gasket groove on the clamp 2, sealer 10 is to flowing all around and filling up Seal cage, the Seal cage internal pressure raises gradually, when reaching certain pressure, force elastic seal ring 3,6 distortion.Axially can not produce displacement because of clamp, elastic seal ring can only be along the radial deformation of flange 4,5, axial generation sealing load (this pressure is proportional to the pressure of sealer in the Seal cage) at flange, make elastic seal ring 3,6 be pressed in tightly respectively on flange 4,5 outer circumferential faces, thereby played seal action well.On clamp 8, offer through hole, by rubber injecting valve 8 by injecting sealer 3 in the cavity of through hole between flange 4,5 and pad 7 on the clamp 8, sealer 3 to around mobile and fill up Seal cage, thereby played seal action well.When sealer 3 causes volume shrinkage because of sulfuration, because elastic seal ring 3,6 has elasticity, thereby its resilience can compensate the volume shrinkage that causes because of the sealer sulfuration, making the Seal cage internal pressure descend descends less or not, the density of sealer reduces few, because sealing load is all the time greater than the leakage pressure of medium, thereby reached desirable sealing purpose.
Claims (1)
1. one kind is used for the sealing jig that flange connects, comprising with flange cooperates connection and two clamps that are oppositely arranged, the block tongue on each clamp to be stuck between two flanges, outer circumferential face from each clamp is radially offered hole for injecting glue, it is characterized in that the hole for injecting glue of offering on the clamp is a through hole, the hole for injecting glue of offering on another clamp is a blind hole, the both sides of each block tongue are offered the closure gasket groove that communicates with hole for injecting glue respectively, place elastic seal ring in the closure gasket groove, the thickness of elastic seal ring is greater than the groove width of seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01277744 CN2519879Y (en) | 2001-12-20 | 2001-12-20 | Seal clamp for flange connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01277744 CN2519879Y (en) | 2001-12-20 | 2001-12-20 | Seal clamp for flange connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2519879Y true CN2519879Y (en) | 2002-11-06 |
Family
ID=33681415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01277744 Expired - Fee Related CN2519879Y (en) | 2001-12-20 | 2001-12-20 | Seal clamp for flange connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2519879Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192384A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Large-scale flange water leakage treatment method for lining rubber and lining brick equipment |
-
2001
- 2001-12-20 CN CN 01277744 patent/CN2519879Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102192384A (en) * | 2010-03-03 | 2011-09-21 | 五冶集团上海有限公司 | Large-scale flange water leakage treatment method for lining rubber and lining brick equipment |
| CN102192384B (en) * | 2010-03-03 | 2015-05-06 | 五冶集团上海有限公司 | Large-scale flange water leakage treatment method for lining rubber and lining brick equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |