CN2826123Y

CN2826123Y - Flick preventing structure for quick joint

Info

Publication number: CN2826123Y
Application number: CN 200520127169
Authority: CN
Inventors: 叶春渊
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-10-10
Filing date: 2005-10-10
Publication date: 2006-10-11
Anticipated expiration: 2015-10-10

Abstract

The shellproof opening structure of a kind of rapid pipe joint, it is when being used in rapid pipe joint and connect using, as avoiding its control position collar to flick because of false touch or bump; Be provided with the shellproof collar of unblanking in the control position of female joint collar glide direction, this shellproof collar inside of unblanking is equiped with an elastic element, also slide synchronously and closely abut against the control position collar thereupon, offer sliding-groove in the shellproof collar inner wall surface appropriate location of unblanking, radially extend a positioning part at the sliding-groove end along inner wall surface, the female joint outer wall is provided with projection, and it can correspondingly insert in this sliding-groove; According to and, the position of the shellproof collar of unblanking of lockable in use so that a control position collar can't move, reaches and avoids the effect that flicks.

Description

The shellproof opening structure of rapid pipe joint

Technical field

The relevant shellproof opening structure of a kind of rapid pipe joint of the utility model, especially refer to a kind of shellproof thimble structure of unblanking that is arranged at the female joint outside as the block control position collar, when using in order to avoid rapid pipe joint to connect, because of false touch or strike a control position collar, cause air pressure in the air pipe line and make rapid pipe joint flick the back and the situation that causes unexpected injury.

Background technique

General pneumatic tool all is with after air pipe line is connected, and utilizes air pressure to drive power as it, therefore, for can more convenient use pneumatic tool or prolong this pipeline, has occurred multiple as the rapid pipe joint that connects usefulness on the market; And so-called rapid pipe joint has comprised tool joint pin and female joint, its public affairs, female joint is solid with both sides' air pipe line end group of desiring winding, though and the rapid pipe joint that each tame manufacturer researched and developed at present still has a little difference in structure, but its assembly principle is identical, see also Fig. 1, its female joint a is by decorative pearl on top of an official cap a1, control position collar a2, wear pore a3, movable seat a4, members such as dense stopping ring a5 and spring a6 are formed, the controlled under normal conditions position of this decorative pearl on top of an official cap a1 collar is restrainted urgent and is protruded in the group-connecting groove a7 of female joint a, be somebody's turn to do movable seat next being shored of a4 normality and constitute its flange to terminating in dense stopping ring a5 by spring a6 institute elasticity, form the state that gas opens circuit, and the connection terminal b1 of tool joint pin b is the single order column and the protruding pipe b11 and the large-diameter portion b12 that form least significant end, this rapid pipe joint in use, the connection terminal b1 of tool joint pin b is inserted in the inner group-connecting groove a7 of female joint a, what its protruding pipe b11 just can penetrate female joint a wears pore a3, and movably a seat a4 is pushed into this protruding pipe b11 end face to terminating in till the dense stopping ring a5 outer side surface, and the formation aeration status, the circular recessed edge b121 of this large-diameter portion b12 just can be sticked in decorative pearl on top of an official cap a1 and reach the location simultaneously, and above-mentioned rapid pipe joint is when taking out, be that control position collar a2 is oppositely spurred, make decorative pearl on top of an official cap a1 produce the space of displacement and outwards mobile, and tool joint pin b can be taken out, it is very convenient to use, practical; But above-mentioned rapid pipe joint has the connection back produces the shortcoming that flicks because of the influence of external force easily, its reason is that control position collar a2 can be because institute produces mobile when false touch or bump, cause decorative pearl on top of an official cap a1 can't closely engage the circular recessed edge b121 of tool joint pin b, what add that air pipe line inside passes through is pressurized gas, cause by the joint and washed open, not only can't output power on the pneumatic tool, even at the random whipping of the connecting end of washing open that can make air pipe line in a flash, cause the user injured, so be necessary to be improved.

The inventor has the disappearance of stating known configuration in view of this, study intensively, and long-pending individual is engaged in the many years of experience of this cause, designs the shellproof opening structure of a kind of brand-new rapid pipe joint eventually, and applicable to any rapid pipe joint with control position collar.

Summary of the invention

Main purpose of the present utility model is to provide a kind of rapid pipe joint when connecting, and as the shellproof opening structure of locking control position cover ring position, the situation that can avoid flicking takes place.

For reaching above-mentioned purpose, the shellproof opening structure of rapid pipe joint of the present utility model, it is used in rapid pipe joint and connects when using, as avoiding its control position collar to flick because of false touch or bump; Wherein, be provided with the shellproof collar of unblanking in the control position of female joint collar glide direction, this shellproof collar inside of unblanking is equiped with an elastic element, also slide synchronously and closely abut against the control position collar thereupon, offer sliding-groove in the shellproof collar inner wall surface appropriate location of unblanking, radially extend a positioning part at the sliding-groove end along inner wall surface, the female joint outer wall is provided with projection, and it can correspondingly insert in this sliding-groove.

According to above-mentioned structure, when female joint is inserted in its tool joint pin, its tool joint pin front end extruding is positioned at the decorative pearl on top of an official cap of the control position collar of female joint, this decorative pearl on top of an official cap can move by the related promotion control position collar, at this moment, because of moving down, the control position collar cause the shellproof collar of unblanking and then to move down, the sliding-groove of its shellproof collar inside of unblanking moves along the projection of female joint outer wall, the front end for the treatment of the tool joint pin ring flange is by the decorative pearl on top of an official cap in the female joint group-connecting groove and engaging, its control position collar and the shellproof collar of unblanking are got back to original position simultaneously, then, after the more shellproof collar of unblanking being rotated along the positioning part of sliding-groove rear end, and lock the position of the shellproof collar of unblanking, and block the control position collar simultaneously and no longer mobile, can reach the situation about flicking avoided.

Description of drawings

Fig. 1: be known assembled sectional view.

Fig. 2: be three-dimensional exploded view of the present utility model.

Fig. 3: be assembled sectional view of the present utility model.

Fig. 4: be use schematic representation of the present utility model.

Fig. 5: the use schematic representation when locking for the utility model.

Fig. 6: be another embodiment's of the utility model last pseudosection.

Drawing reference numeral:

1--------rapid pipe joint 10-------tool joint pin

20-------female joint 11-------connection terminal

The protruding pipe 13-------of 12-------large-diameter portion

The 131------circular recessed edge 21-------decorative pearl on top of an official cap

22-------control position collar 23-------wears pore

The movable seat of 24-------25-------dense stopping ring

The shellproof collar of unblanking of 26-------elastic element 27-------

28-------projection 271------sliding-groove

The 272------positioning part

Embodiment

Please arrange in pairs or groups Fig. 2, Fig. 3, Fig. 4, Fig. 5, shown in Figure 6, the shellproof opening structure of rapid pipe joint of the present utility model, rapid pipe joint 1 comprises a tool joint pin 10 and a female joint 20 is formed usually, wherein;

This tool joint pin 10, its rear end are one to be the connection terminal 11 of rank column, and its other end is protruding pipe 12 and large-diameter portion 13, are provided with circular recessed edge 131 in large-diameter portion 13 appropriate locations;

This female joint 20, it is by the decorative pearl on top of an official cap 21, the control position collar 22, wear pore 23, movable seat 24, dense stopping ring 25, the elastic element 26 and the shellproof collar 27 of unblanking are formed, wherein, be provided with the shellproof collar 27 of unblanking in the control position of female joint 20 collar 22 glide directions, these the shellproof collar 27 inside of unblanking are equiped with an elastic element 26, and shore and can slide synchronously with a control position collar 22 by elastic element 26 elasticity, its shellproof unblanking offers sliding-groove 271 on the collar 27 inwall appropriate location subtend two sides, and the tail end of this sliding-groove 271 is extended with positioning part 272 along the shellproof collar 27 inner surface radial directions of unblanking, and on female joint 20 outer walls, be provided with projection 28 that should sliding-groove 271: moreover, in order to cooperate different block effects, projection 28 quantity of its female joint 20 outer wall surface can increase or reduce (one or several) arbitrarily, and also must and then increase or reduce (together or several) with respect to the quantity of the sliding-groove 271 of the shellproof collar 27 inside of unblanking and positioning part 272.

When it connects, its tool joint pin 10 front ends extruding is positioned at the decorative pearl on top of an official cap 21 of the control position collar 22 of female joint 20, this decorative pearl on top of an official cap 21 can move by the related promotion control position collar 22, at this moment, the control position collar 22 can promote the shellproof collar 27 of unblanking again and move, the sliding-groove 271 that makes the shellproof collar 27 of unblanking moves along the projection 28 of female joint 20 outer walls, the front end for the treatment of tool joint pin 10 ring flanges 131 is by the decorative pearl on top of an official cap in female joint 20 group-connecting grooves 21 and engaging, its control position collar 22 utilizes the elastic element 26 of inner installing and comes back to original position with the shellproof collar 27 of unblanking, then, after the more shellproof collar 27 of unblanking being rotated along the positioning part 272 of sliding-groove 271 rear ends, the projection 28 on female joint 20 surfaces is fallen in the positioning part 272, i.e. the position of the shellproof collar 27 of unblanking of lockable and the clip control position collar 22.

In sum, the shellproof opening structure of rapid pipe joint of the present utility model increases by the shellproof collar of unblanking, and after making that the control position collar that originally can move freely is subjected to its restriction, therefore can be when connecting, the shellproof opening structure as locking control position cover ring position takes place and avoid flicking situation.

Claims

1. shellproof opening structure of rapid pipe joint, it is characterized in that: be provided with the shellproof collar of unblanking in the control position of female joint collar glide direction, this shellproof collar inside of unblanking is equiped with an elastic element, also slide synchronously and closely abut against the control position collar thereupon, offer sliding-groove in the shellproof collar inner wall surface appropriate location of unblanking, radially extend a positioning part at the sliding-groove end along inner wall surface, the female joint outer wall is provided with projection, and it can correspondingly insert in this sliding-groove.

2. the shellproof opening structure of rapid pipe joint as claimed in claim 1 is characterized in that: be provided with several projections in the female joint outer wall surface, and be relatively set with the sliding-groove of corresponding its quantity in the shellproof collar inside of unblanking.

3. the shellproof opening structure of rapid pipe joint as claimed in claim 1 is characterized in that: be provided with a projection in the female joint outer wall surface, and be relatively set with sliding-groove one in the shellproof collar inside of unblanking.