CN202884318U - Seal flange with pressure check rings - Google Patents

Seal flange with pressure check rings Download PDF

Info

Publication number
CN202884318U
CN202884318U CN 201220397091 CN201220397091U CN202884318U CN 202884318 U CN202884318 U CN 202884318U CN 201220397091 CN201220397091 CN 201220397091 CN 201220397091 U CN201220397091 U CN 201220397091U CN 202884318 U CN202884318 U CN 202884318U
Authority
CN
China
Prior art keywords
flange
pressure check
check rings
hole
ring
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
Application number
CN 201220397091
Other languages
Chinese (zh)
Inventor
欧阳宏卫
马金保
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MA'ANSHAN GUANGYUAN FLANGE RINGS CO Ltd
Original Assignee
MA'ANSHAN GUANGYUAN FLANGE RINGS CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MA'ANSHAN GUANGYUAN FLANGE RINGS CO Ltd filed Critical MA'ANSHAN GUANGYUAN FLANGE RINGS CO Ltd
Priority to CN 201220397091 priority Critical patent/CN202884318U/en
Application granted granted Critical
Publication of CN202884318U publication Critical patent/CN202884318U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

The utility model discloses a seal flange with pressure check rings. The seal flange comprises a flange disc, wherein a through hole is formed in the middle of the flange disc, and step grooves are arranged on the periphery of the through hole. Flat washers are arranged at the bottoms of the step grooves, and the pressure check rings are arranged in the step grooves. A plurality of spring holes are formed in the bottoms of the flat washers, and springs are arranged in the spring holes. Bolt holes are formed in the periphery of the flange disc. The seal flange with the pressure check rings is firm in connection, and good in sealing performance.

Description

Sealing flange with the pressure back-up ring
Technical field
The utility model relates to a kind of sealing flange with the pressure back-up ring.
Background technique
In the existing technology, be widely used in the pipeline industry with the sealing flange of pressure back-up ring, but in general pipeline connection procedure, if pipeline does not arrange flange in advance, just be difficult to connect, so just be difficult to connect, easily occur leaking.
The model utility content
The utility model provides a kind of pipeline that can make things convenient for the pipeline oral area that flange is not set to dock, the sealing flange with the pressure back-up ring of good airproof performance.
The utility model technical solution problem provides following scheme:
A kind of sealing flange with the pressure back-up ring, comprise flange plate, it is characterized in that: the middle part of described flange plate is provided with through hole, be provided with stepped slot around the described through hole, the bottom of described stepped slot is provided with plain washer, be provided with the pressure back-up ring in the described stepped slot, the bottom of described plain washer is provided with a plurality of spring eyes, is provided with spring in the described spring eye.
Be provided with bolt hole around the edge of described flange plate.
The utility model is provided with stepped slot at the center of flange on traditional flange basis, add plain washer in stepped slot, and is provided with back-up ring above plain washer, and in the leakage of effectively having avoided the pipe joint place.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, a kind of sealing flange with the pressure back-up ring, comprise flange plate 1, the middle part of described flange plate 1 is provided with through hole 2, is provided with stepped slot 3 around the described through hole 2, and the bottom of described stepped slot 3 is provided with plain washer 4, be provided with pressure back-up ring 5 in the described stepped slot 3, the bottom of described plain washer 4 is provided with a plurality of spring eyes 7, is provided with spring 8 in the described spring eye 7, is provided with bolt hole 6 around the edge of described flange plate 1.

Claims (2)

1. sealing flange with the pressure back-up ring, comprise flange plate, it is characterized in that: the middle part of described flange plate is provided with through hole, be provided with stepped slot around the described through hole, the bottom of described stepped slot is provided with plain washer, be provided with the pressure back-up ring in the described stepped slot, the bottom of described plain washer is provided with a plurality of spring eyes, is provided with spring in the described spring eye.
2. described sealing flange with the pressure back-up ring according to claim 1 is characterized in that: be provided with bolt hole around the edge of described flange plate.
CN 201220397091 2012-08-06 2012-08-06 Seal flange with pressure check rings Expired - Fee Related CN202884318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220397091 CN202884318U (en) 2012-08-06 2012-08-06 Seal flange with pressure check rings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220397091 CN202884318U (en) 2012-08-06 2012-08-06 Seal flange with pressure check rings

Publications (1)

Publication Number Publication Date
CN202884318U true CN202884318U (en) 2013-04-17

Family

ID=48075747

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220397091 Expired - Fee Related CN202884318U (en) 2012-08-06 2012-08-06 Seal flange with pressure check rings

Country Status (1)

Country Link
CN (1) CN202884318U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322023A (en) * 2016-08-31 2017-01-11 安徽金大仪器有限公司 Elastic resetting unthreaded sealing flange

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106322023A (en) * 2016-08-31 2017-01-11 安徽金大仪器有限公司 Elastic resetting unthreaded sealing 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: 20130417

Termination date: 20140806

EXPY Termination of patent right or utility model