CN2072186U - Quick replacing gas tube joint - Google Patents

Quick replacing gas tube joint Download PDF

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Publication number
CN2072186U
CN2072186U CN 90218001 CN90218001U CN2072186U CN 2072186 U CN2072186 U CN 2072186U CN 90218001 CN90218001 CN 90218001 CN 90218001 U CN90218001 U CN 90218001U CN 2072186 U CN2072186 U CN 2072186U
Authority
CN
China
Prior art keywords
plug
socket
planomural
corresponding
boss
Prior art date
Application number
CN 90218001
Other languages
Chinese (zh)
Inventor
许玉华
Original Assignee
天津汽焊工具厂
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 天津汽焊工具厂 filed Critical 天津汽焊工具厂
Priority to CN 90218001 priority Critical patent/CN2072186U/en
Publication of CN2072186U publication Critical patent/CN2072186U/en

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Abstract

The utility model relates to a quick replacing gas tube joint. The inner wall surface of the socket of the quick replacing gas tube joint is provided with two corresponding lug bosses in the radial direction. A plug is provided with flat wall surfaces which are mutually vertical in the radial direction from two components which are corresponding to the flat wall surfaces in the radial direction to the annular steps of the cylinder of the plug. Lug bosses are also arranged on another two flat wall surfaces which are corresponding in the radial direction and the annular steps. The flat wall surfaces and arc wall surfaces which are tangential with the flat wall surfaces are in smooth and transient connection. After the plug is inserted in the socket and is rotated for 90 DEG, the lug bosses on the plug and the lug bossed in the socket correspondingly butt and touch to lock the plug and the socket. After the plug is rotated for 90 DEG towards the reverse direction, the plug can quit from the socket. The utility model has the advantages of simple structure, small size, light weight, low cost, etc.

Description

The utility model relates to interelement fast hitch mechanism in a kind of gas passageway.

The quick change pipe joint is the dedicated pipe joint that connects each element in the gas passageway fast, has easily and fast, connects advantages such as reliable, time saving and energy saving, be specially adapted to decompressor, sebific duct and welding cut bit in oxygen, the acetylene gas path between connect fast.Existing quick change pipe joint plug, socket connecting mode are the steel ball card slot type, and the kayser steel ball crouches in the annular groove of plug plug, socket being locked behind the plug insertion socket.When breakaway plug, socket, the lasso of pushing socket makes its notch alignment steel ball of stepping down, and a card shelves steel ball enters under the extruding of plug groove wall steps down breach and withdraw from by groove plug, socket are unlocked, and plug can be deviate from from socket.Existing quick change pipe joint structure complexity, volume, weight are big, and the cost height uses inconvenience.Make troubles to operation in the gas passageway especially for manual oxygen cutting, thereby influenced promoting the use of of quick change pipe joint.

The purpose of this utility model is improved existing quick change pipe joint, provides a kind of simple in structure, and volume is little, in light weight, and cost is low, gas quick change pipe joint easy to use.

Gas quick change pipe joint is made of socket (7) and plug (9), and socket has the one-way valve that is made of valve seat (1), spring (2), spool (3), seal ring (4) and seal ring (5).Socket internal face radially corresponding part has and whole boss (6) and the boss (8) that is connected of wall.Plug inserts section annular stage, and square cylinder has orthogonal radially corresponding plane column wall after the stage, and its cross section is square.Radially corresponding two planar wall interplanar distances from socket in two boss top end spacings adapt.Wherein two radially corresponding planomural faces stretch to annular stage and sentence just plug by inserting in the socket between hub boss.Two radially corresponding planomural face and annular step interstations have boss in addition.Each planomural face of radially corresponding two planomural faces has the part wall by tangent circular arc camber and the tangent formation rounding off connection of the part wall of a planomural face of another radially corresponding two planomural faces with it, and plug stretches into when circular arc camber is positioned between hub boss behind the socket plug and can come and go freely 90 ° of scopes at socket and rotate.

When plug connects with socket, pushing tow one-way valve spool makes thereafter and moves in the plug insertion socket, it is corresponding with socket two boss when the plug circular arc camber is positioned at socket two boss places plug to be rotated between 90 ° of plug plane walls and stage boss, when unclamping plug, plug bounces back under the spool pushing tow, and plug boss and connector assembly inner convex platform contact mutually the plug kayser is fixed on the socket.When breakaway plug, socket, pushing tow plug and backward rotation make plug boss and hub boss dislocation for 90 °, and plug can withdraw from socket.

The gas quick change pipe joint structure that the utility model provides is simple, component parts is kept to 7 by 18 that have plug now, its size, volume are long-pending greatly to be reduced, the existing joint weight of same specification size quick change pipe joint the utility model reduces 60%, saved material greatly, the manufacture cost of quick change pipe joint is descended greatly.The quick change pipe joint that uses the utility model to provide does not influence normally carrying out of operation, thereby helps promoting the use of, and is particularly suited for the use in the autogenous cutting weldering gas circuit.

Accompanying drawing is example structure figure of the present utility model, further specifies the utility model below in conjunction with accompanying drawing.

Fig. 1 is the structural drawing of gas quick change pipe joint.

Fig. 2 is Figure 1A-A sectional drawing.

Fig. 3 is Figure 1B-B sectional drawing.

Fig. 4 is Fig. 1 C-C sectional drawing.

Fig. 5 is Fig. 1 D-D sectional drawing.

As shown in the figure, gas quick change pipe joint is made of socket (7) and plug (9), and socket has an one-way valve that is made of valve seat (1), spring (2), spool (3), seal valve (4) and seal ring (5).Socket internal face radially corresponding part has boss (6) and boss (8), and boss is connected with wall is whole.As shown in Figure 2.Plug inserts on the section cylinder annular stage, and square cylinder has orthogonal radially corresponding plane column wall after the stage, and the pole section shape is square, as shown in Figure 4 shape.Radially corresponding two planomural interplanar distances from and socket in distance between two boss top ends adapt.Wherein two radially corresponding planomural faces stretch to annular stage place, its sectional shape as shown in Figure 3 so that plug is by inserting in the socket between socket two boss.Two other radially corresponding wall and annular step interstation have boss.Each planomural face of radially corresponding two planomural faces has the part wall to connect by the tangent formation rounding off of the tangent with it circular arc camber and the part wall of a planomural face of another radially corresponding two planomural faces, and this section pole section shape as shown in Figure 5.Plug can come and go 90 ° of scopes at socket and freely rotate when this shell of column is positioned between socket two boss.

When using the quick change pipe joint, with two boss in the plane cylinder alignment socket of plug annular stage with in the plug insertion socket.Plug top pushing tow one-way valve spool makes thereafter and moves, when the plug pole section is that the shell of column of cross section shown in Figure 5 is when being positioned between hub boss, the turn plug makes it rotate 90 ° of plug boss respective socket boss, return spring pushing tow spool when decontroling plug, and then the pushing tow plug contacts plug boss and hub boss, with plug, socket locking, this moment, the cross section was that tetragonal column body segment is positioned between socket two boss, and therefore locking back plug can not rotate in socket automatically.When plug was withdrawed from socket, pushing tow plug backward rotation plug can withdraw from socket with plug for 90 °.

Claims (1)

1, a kind of gas quick change pipe joint, constitute by socket that has one-way valve (7) and plug (9), it is characterized in that said socket internal face radially has and whole boss (6) and the boss (9) that is connected of wall the corresponding part, said plug inserts the section cylinder annular stage, and square cylinder has mutual vertical diameter to corresponding flat post jamb face after the stage.Pole section is square, distance adapts between radially corresponding two planomural interplanar distances and socket inner convex platform top end, wherein two radially corresponding planomural faces stretch to annular stage place, two radially corresponding planomural face and annular step interstations have boss in addition, and each planomural face portion wall of radially corresponding two planomural faces connects by the tangent formation rounding off of the tangent with it circular arc camber and the part wall of a planomural face of another radially corresponding two planomural faces.
CN 90218001 1990-08-22 1990-08-22 Quick replacing gas tube joint CN2072186U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90218001 CN2072186U (en) 1990-08-22 1990-08-22 Quick replacing gas tube joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 90218001 CN2072186U (en) 1990-08-22 1990-08-22 Quick replacing gas tube joint

Publications (1)

Publication Number Publication Date
CN2072186U true CN2072186U (en) 1991-02-27

Family

ID=4896892

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 90218001 CN2072186U (en) 1990-08-22 1990-08-22 Quick replacing gas tube joint

Country Status (1)

Country Link
CN (1) CN2072186U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100516563C (en) * 2004-06-09 2009-07-22 日东工器株式会社 Plug-socket assembly
CN1865755B (en) * 2005-03-01 2011-02-16 Ti集团车辆系统有限责任公司 Anti-rotation quick connector
CN102284921A (en) * 2011-08-19 2011-12-21 济南盛达冶金科技有限公司 Fast tube replacing device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100516563C (en) * 2004-06-09 2009-07-22 日东工器株式会社 Plug-socket assembly
CN1865755B (en) * 2005-03-01 2011-02-16 Ti集团车辆系统有限责任公司 Anti-rotation quick connector
CN102284921A (en) * 2011-08-19 2011-12-21 济南盛达冶金科技有限公司 Fast tube replacing device

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PB01 Publication
C06 Publication
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee
C19 Lapse of patent right due to non-payment of the annual fee