CN205781543U - A kind of pressure-air pipe flange - Google Patents

A kind of pressure-air pipe flange Download PDF

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Publication number
CN205781543U
CN205781543U CN201620495643.2U CN201620495643U CN205781543U CN 205781543 U CN205781543 U CN 205781543U CN 201620495643 U CN201620495643 U CN 201620495643U CN 205781543 U CN205781543 U CN 205781543U
Authority
CN
China
Prior art keywords
flange
gasket seal
recessed
boss
air pipe
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
CN201620495643.2U
Other languages
Chinese (zh)
Inventor
张德满
谢江辉
尚进
俞健
蔡标华
李斌
王楠
李伟
白亚鹤
秦子明
陈国锋
严智远
唐昉
石兆存
肖龙洲
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.)
719th Research Institute of CSIC
Original Assignee
719th Research Institute of CSIC
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 719th Research Institute of CSIC filed Critical 719th Research Institute of CSIC
Priority to CN201620495643.2U priority Critical patent/CN205781543U/en
Application granted granted Critical
Publication of CN205781543U publication Critical patent/CN205781543U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model relates to compressed air line interconnection technique field, specifically a kind of pressure-air pipe flange, including boss flange, recessed flange, gasket seal, bolt, packing ring, spring washer, nut, boss flange is the most chimeric with recessed flange and is attached by organizing the screw bolt and nut being circumferentially evenly arranged more, it is provided with gasket seal formation sealing at boss flange and the chimeric of recessed flange, form matched in clearance between boss flange and recessed flange, between the external diameter of gasket seal with recessed flange, use gap to coordinate.This utility model is easily installed, better tightness.

Description

A kind of pressure-air pipe flange
Technical field
This utility model relates to compressed air line interconnection technique field, specifically a kind of pressure-air pipe flange.
Background technology
Compressed air line flange is the connection member of compressed air line system, is mainly used in the latus rectum compressed air system more than or equal to DN40, the connection between pipeline and pipeline, pipeline and equipment.Along with the rising of compressed air system operating pressure, the screw-down torque of pipe flange nut the most significantly raises, thus appears in some narrow space, the problem that compressed air joint cannot be dismantled and install.Further, since flange installation is not in place or compressed air line long-term work is under alternate stress operating mode, gasket seal may be caused to move relative to flange sealing surface, or gasket seal surrounding unbalance stress, all can cause flange generation leakage phenomenon.Existing compressed air pipe flange cannot solve the problems referred to above.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, it is provided that a kind of pressure-air pipe flange, easily installs, better tightness.
For realizing above-mentioned technical purpose, the scheme that this utility model provides is: a kind of pressure-air pipe flange, including boss flange, recessed flange, gasket seal, bolt, packing ring, spring washer, nut, boss flange is the most chimeric with recessed flange and is attached by organizing the screw bolt and nut being circumferentially evenly arranged more, it is provided with gasket seal formation sealing at boss flange and the chimeric of recessed flange, form matched in clearance between boss flange and recessed flange, prevent flange from dislocation being installed.Use gap to coordinate between the external diameter of gasket seal with recessed flange, be possible to prevent gasket seal that dislocation is installed.
And, the internal diameter of the sealing surface internal diameter of gasket seal and two flanges is identical.
And, two sealing surfaces of gasket seal arrange a circle groove, forms double sealing structure.
The beneficial effects of the utility model are: simple in construction, are skillfully constructed;Boss flange coordinates with using gap at the male-female engagement of recessed flange, it can be ensured that boss flange is installed with recessed flange and do not misplaced;The internal diameter of the sealing surface internal diameter of gasket seal and two flanges is identical, can reduce the screw-down torque of nut;Use gap to coordinate between the external diameter of gasket seal with recessed flange, be possible to prevent gasket seal that dislocation is installed;One groove is set on gasket seal, forms double sealing structure, increase sealing reliability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the enlarged drawing in Fig. 1 at A.
Wherein, 1, boss flange, 2, recessed flange, 3, gasket seal, 4, bolt, 5, packing ring, 6, spring washer, 7, nut, 8, groove.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment the utility model is described in further detail.
The present embodiment provides a kind of pressure-air pipe flange, as depicted in figs. 1 and 2, including boss flange 1, recessed flange 2, gasket seal 3, bolt 4, packing ring 5, spring washer 6, nut 7, boss flange 1 the most chimeric with recessed flange 2 and by organizing the bolt 4 being circumferentially evenly arranged and nut 7 is attached more, requires that the screw-down torque of all nuts 7 is identical during installation.It is provided with gasket seal 3 formation sealing at boss flange 1 and the chimeric of recessed flange 2, forms matched in clearance between boss flange 1 and recessed flange 2, prevent flange from dislocation being installed.Use gap to coordinate between the external diameter of gasket seal 3 with recessed flange 2, be possible to prevent gasket seal 3 that dislocation is installed.
Further, the internal diameter of the sealing surface internal diameter of gasket seal 3 and two flanges is identical, can reduce the screw-down torque of nut 7.
Further, two sealing surfaces of gasket seal 3 arrange a circle groove 8, form double sealing structure, increase sealing reliability.
The above is only preferred implementation of the present utility model; it should be pointed out that, for those skilled in the art, on the premise of without departing from this utility model principle; can also make some improvement or deformation, these improve or deformation also should be regarded as protection domain of the present utility model.

Claims (3)

1. a pressure-air pipe flange, it is characterized in that: include boss flange, recessed flange, gasket seal, bolt, packing ring, spring washer, nut, boss flange is the most chimeric with recessed flange and is attached by organizing the screw bolt and nut being circumferentially evenly arranged more, it is provided with gasket seal formation sealing at boss flange and the chimeric of recessed flange, form matched in clearance between boss flange and recessed flange, between the external diameter of gasket seal with recessed flange, use gap to coordinate.
A kind of pressure-air pipe flange the most according to claim 1, it is characterised in that: the internal diameter of the sealing surface internal diameter of gasket seal and two flanges is identical.
A kind of pressure-air pipe flange the most according to claim 1 and 2, it is characterised in that: a circle groove is set on two sealing surfaces of gasket seal, forms double sealing structure.
CN201620495643.2U 2016-05-28 2016-05-28 A kind of pressure-air pipe flange Expired - Fee Related CN205781543U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620495643.2U CN205781543U (en) 2016-05-28 2016-05-28 A kind of pressure-air pipe flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620495643.2U CN205781543U (en) 2016-05-28 2016-05-28 A kind of pressure-air pipe flange

Publications (1)

Publication Number Publication Date
CN205781543U true CN205781543U (en) 2016-12-07

Family

ID=57407892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620495643.2U Expired - Fee Related CN205781543U (en) 2016-05-28 2016-05-28 A kind of pressure-air pipe flange

Country Status (1)

Country Link
CN (1) CN205781543U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514512A (en) * 2017-10-08 2017-12-26 季永东 A kind of sealing flange plate sheet
CN108799662A (en) * 2018-06-28 2018-11-13 江阴市恒润重工股份有限公司 Gas conveys special flange component
CN112026990A (en) * 2020-08-18 2020-12-04 上海外高桥造船有限公司 Ship independent chimney oil mist box
CN112606354A (en) * 2021-01-19 2021-04-06 广州市立昂软管有限公司 Be used for rubber tube production evacuating device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107514512A (en) * 2017-10-08 2017-12-26 季永东 A kind of sealing flange plate sheet
CN108799662A (en) * 2018-06-28 2018-11-13 江阴市恒润重工股份有限公司 Gas conveys special flange component
CN112026990A (en) * 2020-08-18 2020-12-04 上海外高桥造船有限公司 Ship independent chimney oil mist box
CN112026990B (en) * 2020-08-18 2021-10-15 上海外高桥造船有限公司 Ship independent chimney oil mist box
CN112606354A (en) * 2021-01-19 2021-04-06 广州市立昂软管有限公司 Be used for rubber tube production evacuating device

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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: 20161207

Termination date: 20170528

CF01 Termination of patent right due to non-payment of annual fee