CN203375024U - Pipeline flange - Google Patents
Pipeline flange Download PDFInfo
- Publication number
- CN203375024U CN203375024U CN201320357499.2U CN201320357499U CN203375024U CN 203375024 U CN203375024 U CN 203375024U CN 201320357499 U CN201320357499 U CN 201320357499U CN 203375024 U CN203375024 U CN 203375024U
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- Prior art keywords
- mentioned
- flange
- hole
- groove
- sealing
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- Expired - Fee Related
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- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The utility model discloses a pipeline flange. The pipeline flange comprises a first flange and a second flange, wherein the first flange comprises a first flange main body, a first through hole connected to a pipeline, at least a first groove and at least a first bump both arranged on the first flange main body, at least a mounting hole running through the first flange main body, a sealing bump arranged at one end of the first through hole, and a sealing sheet arranged at the other end of the through hole; the second flange comprises a second flange main body, a second through hole connected to the pipeline, at least a second groove and at least a second bump both arranged on the second flange main body, at least a mounting hole running through the second flange main body, a sealing groove formed in one end of the second through hole, and a sealing sheet arranged at the other end of the second through hole; the sealing bump comprises a multilayer sealing pad; the size of the sealing pad with a trapezoid-shaped section is reduced gradually layer by layer; the size of the sealing pad close to the first through hole, is greater than the size of the sealing pad far away from the first through hole; the sealing groove corresponds to the sealing bump. The mounting hole of the pipeline flange is a spiral mounting hole. According to the utility model, the sealing performance of the pipeline flange is enhanced greatly.
Description
Technical field
A kind of flange, particularly a kind of piping flange.
Background technique
In prior art, flange is widely used in mechanical field as link.By a pair of flange of working in coordination, pipeline well can be connected.As a rule, between a pair of flange plate, be by corresponding mounting hole is set, and then by such as links such as bolts, realizing connection each other.But obvious this connection can not seal fully.Gap between two flange plates, easily cause leakage.Also there is recently product to expect using the elastic components such as rubber to do Sealing, but can not there is very high sealing.
The model utility content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of piping flange easy for installation of good airproof performance.
In order to realize above-mentioned target, the utility model adopts following technological scheme:
Piping flange comprises: the first flange and the second flange; The first flange comprises: the first flange body, the first through hole of connecting tube, be arranged at least one the first groove and at least one the first projection on the first flange body, at least one mounting hole through the first flange body, be located at the seal convexity of the first through hole one end, be located at the diaphragm seal of the through hole the other end; The second flange comprises: the second flange body, the second through hole of connecting tube, be arranged at least one the second groove and at least one the second projection on the second flange body, at least one mounting hole through the second flange body, be located at the sealed groove of an end of the second through hole, be located at the diaphragm seal of the second through hole the other end; Seal convexity comprises multi-layer sealed pad, and the cross section of sealing gasket is trapezoidal and size successively successively decreases, and near the size of the sealing gasket of the first through hole, is greater than the size away from the sealing gasket of the first through hole; Sealed groove is corresponding with seal convexity.Aforesaid piping flange, mounting hole is the spiral mounting hole.
Aforesaid piping flange, mounting hole is two, be placed between the first groove, the first projection or the second groove, the second projection between.
Aforesaid piping flange also comprises: be placed in the interior bolt of mounting hole and the nut of caging bolt; Bolt is screw bolt, and nut is the hand nutting.
Aforesaid piping flange, the first groove is corresponding with the second projection, and the first projection is corresponding with the second groove, and the size of the first projection, the second projection is greater than the size of the first groove, the second groove.
Aforesaid piping flange, diaphragm seal, sealing gasket are annular, the material of diaphragm seal, sealing gasket is rubber or silica gel.
Usefulness of the present utility model is: the utility model provides a kind of piping flange easy for installation of good airproof performance.
The accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model piping flange longitdinal cross-section diagram;
Fig. 2 is a kind of embodiment's of the utility model the first flange longitdinal cross-section diagram;
Fig. 3 is a kind of embodiment's of the utility model the second flange longitdinal cross-section diagram;
Fig. 4 is a kind of embodiment's of the utility model the first flange plan view;
Fig. 5 is a kind of embodiment's of the utility model the second flange plan view;
The implication of reference character in figure:
1 first flange, 2 second flanges, 3 first flange body, 301 first grooves, 302 first projections, 4 first through holes, 401 seal convexities, 402,602 diaphragm seals, 403 sealing gaskets, 5 second flange body, 501 second grooves, 502 second projections, 303,503 mounting holes, 6 second through holes, 601 sealed grooves, 7 bolts, 8 nuts.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is done to concrete introduction.
Piping flange comprises: the first flange 1 and the second flange 2; The first flange 1 comprises: the first flange body 3, the first through hole 4 of connecting tube, be arranged on the first flange body 3 at least one the first groove 301 and the first projection 302 of at least one, at least one mounting hole 303,503303,503 through the first flange body 3, be located at the seal convexity 401 of the first through hole 4 one ends, be located at the diaphragm seal 402,602 of the through hole the other end; The second flange 2 comprises: the second flange body 5, the second through hole 6 of connecting tube, be arranged on the second flange body 5 at least one the second groove 501 and the second projection 502 of at least one, at least one mounting hole 303,503303,503 through the second flange body 5, be located at the sealed groove 601 of an end of the second through hole 6, be located at the diaphragm seal 402,602 of second through hole 6 the other ends; Seal convexity 401 comprises multi-layer sealed pad 403, and the cross section of sealing gasket 403 is trapezoidal and size successively successively decreases, and near the size of the sealing gasket 403 of the first through hole 4, is greater than the size away from the sealing gasket 403 of the first through hole 4; Sealed groove 601 is corresponding with seal convexity 401, and diaphragm seal 402,602, sealing gasket 403 are annular, and the material of diaphragm seal 402,602, sealing gasket 403 is rubber or silica gel.
The seal convexity 401 that it should be noted that the first flange 1 comprises multi-layer sealed pad 403, and the cross section of sealing gasket 403 is trapezoidal and size and successively successively decreases; The sealed groove 601 of the second flange 2 is corresponding with seal convexity 401, such design has increased the area of contact of sealing gasket 403 and second flange 2 of the first flange 1, and make the first flange 1 be embedded in deeply the inside of the second flange 2, thereby greatly strengthened sealing.
The first groove 301 is corresponding with second protruding 502, the first projection 302 is corresponding with the second groove 501, the size of the first projection 302, the second projection 502 is greater than the size of the first groove 301, the second groove 501, such design also makes the another layer sealing at the flange body place, with coordinating between sealing layer before, make liquid or gas in flange to leak out outside flange.
Above demonstration and described basic principle of the present utility model, major character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the utility model in any form, and all employings are equal to replaces or technological scheme that the mode of equivalent transformation obtains, all drops in protection domain of the present utility model.
Claims (6)
1. piping flange, is characterized in that, comprising: the first flange and the second flange; Above-mentioned the first flange comprises: the first flange body, the first through hole of connecting tube, be arranged at least one the first groove and at least one the first projection on above-mentioned the first flange body, at least one mounting hole through above-mentioned the first flange body, be located at the seal convexity of above-mentioned the first through hole one end, be located at the diaphragm seal of the above-mentioned through hole the other end; Above-mentioned the second flange comprises: the second flange body, the second through hole of connecting tube, be arranged at least one the second groove and at least one the second projection on above-mentioned the second flange body, at least one mounting hole through above-mentioned the second flange body, be located at the sealed groove of an end of above-mentioned the second through hole, be located at the diaphragm seal of the above-mentioned second through hole the other end; Above-mentioned seal convexity comprises multi-layer sealed pad, and the cross section of above-mentioned sealing gasket is trapezoidal and size successively successively decreases, and near the size of the above-mentioned sealing gasket of above-mentioned the first through hole, is greater than the size away from the above-mentioned sealing gasket of above-mentioned the first through hole; Above-mentioned sealed groove and above-mentioned seal convexity are oppositely arranged.
2. piping flange according to claim 1, is characterized in that, above-mentioned mounting hole is the spiral mounting hole.
3. piping flange according to claim 2, is characterized in that, above-mentioned mounting hole is two, be placed between above-mentioned the first groove, the first projection or above-mentioned the second groove, the second projection between.
4. piping flange according to claim 1, is characterized in that, also comprises: be placed in the interior bolt of above-mentioned mounting hole and the nut of spacing above-mentioned bolt; Above-mentioned bolt is screw bolt, and above-mentioned nut is the hand nutting.
5. piping flange according to claim 1, it is characterized in that, above-mentioned the first groove is corresponding with above-mentioned the second projection, and above-mentioned the first projection is corresponding with above-mentioned the second groove, and the size of above-mentioned the first projection, the second projection is greater than the size of above-mentioned the first groove, the second groove.
6. piping flange according to claim 1, is characterized in that, above-mentioned diaphragm seal, sealing gasket are annular, and the material of above-mentioned diaphragm seal, sealing gasket is rubber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320357499.2U CN203375024U (en) | 2013-06-21 | 2013-06-21 | Pipeline flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201320357499.2U CN203375024U (en) | 2013-06-21 | 2013-06-21 | Pipeline flange |
Publications (1)
Publication Number | Publication Date |
---|---|
CN203375024U true CN203375024U (en) | 2014-01-01 |
Family
ID=49837553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201320357499.2U Expired - Fee Related CN203375024U (en) | 2013-06-21 | 2013-06-21 | Pipeline flange |
Country Status (1)
Country | Link |
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CN (1) | CN203375024U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108119712A (en) * | 2017-12-29 | 2018-06-05 | 广州市上腾电子科技有限公司 | A kind of flange and the connection system using the flange |
-
2013
- 2013-06-21 CN CN201320357499.2U patent/CN203375024U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108119712A (en) * | 2017-12-29 | 2018-06-05 | 广州市上腾电子科技有限公司 | A kind of flange and the connection system using the flange |
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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: 20140101 Termination date: 20140621 |
|
EXPY | Termination of patent right or utility model |