CN2251093Y

CN2251093Y - Quick disconnect coupling

Info

Publication number: CN2251093Y
Application number: CN 96214703
Authority: CN
Inventors: 苏文金
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-03
Filing date: 1996-06-03
Publication date: 1997-04-02
Anticipated expiration: 2006-06-03

Abstract

The utility model relates to a quick joint. The inner edge of the air inlet end of a control casing pipe is provided with a ring groove and a pipe body on the position of the ring groove is penetrated with a screw hole. One end of a rotary joint is convexly provided with a socket pipe. The outer margin of the inner end of the socket pipe is circularly provided with a ring plow groove and the inner margin of the outer end of the socket pipe is concavely provided with a concave weir. The socket pipe is inserted into the air inlet end of the control casing pipe. The concave weir is positioned by a supporting section on one end of a displacement valve on an air outlet joint. The ring plow groove is jointed with the ring groove and a plurality of steel balls are positioned in the joint position of the ring plow groove and the ring groove. A positioning bolt is screwed into the screw hole and constrains the steel balls to enable the rotary joint and the control casing pipe to rotate relatively. An air induction pipe joint is jointed with the control casing pipe into integration and the integration can move along with a pneumatic tool and rotate relatively to the rotary joint.

Description

Rapid pipe joint

The utility model relates to a kind of rapid pipe joint.

At present general rapid pipe joint is the frequent element of industrial aspect utilization, and it is undertaken in the delivery pipe of compressor and engages pneumatic tool, effectively powerful pressurized gas is reached application target by instrument output.

Yet rapid pipe joint of the prior art as shown in Figure 1, its inlet end is bolted on the pipe joint of delivery pipe of compressor, its outlet side provides pneumatic tool snorkel conjugation, the air input joint A1 inner edge of this rapid pipe joint A is formed with internal thread A11, to provide the conversion adapter A2 outside thread A21 that one end is convexly equipped with to screw togather affixed, and the other end of conversion adapter A2 is formed with internal thread A22, locate on the pipe joint for the delivery pipe that is bolted in compressor, because the pipe joint of the delivery pipe of this rapid pipe joint and compressor is the location that is spirally connected, so general pneumatic tool is as because of the need of work mobile position time, snorkel draws with pneumatic tool and moves, the joint end of snorkel and rapid pipe joint A easily bends influences the situation of giving vent to anger, the A of rapid pipe joint simultaneously location is motionless, pull down being subjected to snorkel, air input joint A1 and conversion adapter A2, easily produce the gas leakage situation that gets loose between the pipe joint of the delivery pipe of conversion adapter A2 and compressor, its effect is bad, haves much room for improvement.

Main purpose of the present utility model is to provide a kind of rapid pipe joint, can avoid the joint end generation of air tool snorkel and rapid pipe joint to pull down the situation that the bending influence is given vent to anger, reduce at snorkel simultaneously and pull down, the pipe joint of the delivery pipe of conversion adapter and compressor can reduce the situation that generation gets loose.

The rapid pipe joint that provides according to the utility model, its inboard control sleeve pipe of establishing several steel balls that encircles of port of giving vent to anger of serving as reasons, accepting casing clamp by the set C shape clasp of outer shroud front end with one ends fixing, and one pressure spring is set in the endoporus back segment of accepting sleeve pipe, be equipped with air outlet adapter in this control sleeve pipe, be equipped with brute spring and push and block one displacement valve on this air outlet adapter one end, this displacement valve one end is convexly equipped with the section of accepting; The inlet end inner edge of this control sleeve pipe is provided with an annular groove, and the body of the control sleeve pipe on annular groove provides a screw, the first end of one switching is convexly equipped with a socket body, be equipped with the circular groove groove in the inner outer rim of this socket body, the external end inner edge of this socketed pipe is concaved with recessed bank, the socket body of this first end of transferring is placed through the inlet end of control sleeve pipe, the section of the accepting cover retaining location of the recessed bank of the external end inner edge of this socketed pipe and displacement valve one end on the air outlet adapter, and the circular groove groove of the inner outer rim of the socket body of the first end of transferring and involutory several steel balls that receives into of annular groove of the inlet end inner edge of controlling sleeve pipe, one location bolt screw lock goes into to control the screw and the inflexible steel ball of establishing of the body of sleeve pipe, and this conversion adapter is located with the control sleeve engages and can be rotated relatively.

Now again with regard to structure characteristic of the present utility model and operation etc., in the mode of conjunction with figs. explanation, detailed row record and narrate in after.

Fig. 1 is the perspective exploded view of existing structure.

Fig. 2 is a perspective exploded view of the present utility model.

Fig. 3 cuts open for combination of the present utility model and shows schematic representation.

Fig. 4 cuts open for embodiment's combination of the present utility model and shows schematic representation.

At first see also the utility model rapid pipe joint shown in Fig. 2,3, it is mainly the control sleeve pipe 1 of being established several steel balls 11 by the inboard ring of the port of giving vent to anger, accepting sleeve pipe 2 cards by the set C shape clasp 12 of outer shroud front end with one ends fixing, and one pressure spring 3 is set in the endoporus back segment of accepting sleeve pipe 2, be equipped with air outlet adapter 4 in this control sleeve pipe 1, be equipped with brute spring 41 on these air outlet adapter 4 one ends with push and block one displacement valve 5, these displacement valve 5 one ends are convexly equipped with a section of accepting 51; The inlet end inner edge of this control sleeve pipe 1 is provided with an annular groove 13, and the body of the control sleeve pipe 1 on annular groove 13 provides a screw 14, one conversion adapter, 6 one ends are convexly equipped with a socket body 61, be equipped with circular groove groove 611 in these socket body 61 inner outer rims, these socket body 61 outer end inner edges are concaved with recessed bank 612, these conversion adapter 6 the other end inner edges are provided with internal thread 62, when the socket body 61 of conversion adapter 6 one ends is placed through the inlet end of control sleeve pipe 1, the recessed bank 612 of these socket body 61 outer end inner edges is confessed the section of the accepting 51 cover retaining location of displacement valve 5 one ends on the gas joint 4, and the circular groove groove 611 of the socket body 61 inner outer rims of conversion adapter 6 one ends and annular groove 13 involutory ccontaining several steel balls 15 of the inlet end inner edge of controlling sleeve pipe 1, the screw 14 of going into to control the body of sleeve pipe 1 with location bolt 16 screw locks is established steel ball 15 to arrest again, and then reaches conversion adapter 6 and engage with control sleeve pipe 1 and locate and can counterrotating benefit.

When air tool snorkel joint 7 ecto-entads are passed air outlet adapter 4, as shown in Figure 4, steel ball 11 on the control sleeve pipe 1 is inwardly freely given prominence to, after inserting snorkel joint 7, spring 3 thrusts and the sleeve pipe 2 of accepting that resets is inwardly pushed steel ball 11 and made in it prominent and buckle into the caulking groove 71 of snorkel joint 7 by compression, promptly finish and engage the location, and with internal thread 62 screw locks of conversion adapter 6 the other ends on the pipe joint of the delivery pipe of compressor (figure does not show), pneumatic tool is as because of the need of work mobile position time, snorkel draws with pneumatic tool and moves, because of snorkel joint 7 engages to one and can move and rotate with respect to conversion adapter 6 with pneumatic tool with control sleeve pipe 1, pull down the situation that the bending influence is given vent to anger to avoid air tool snorkel and rapid pipe joint joint end to produce, reduce at snorkel simultaneously and pull down, conversion adapter 6 produces the situation that gets loose with the pipe joint reduction of the delivery pipe of compressor.

In sum, the utility model has the lifting of safety benefit really than existing structure, and is fashionable remarkably productive at Box Cover especially, has the practicability that remarkable function is promoted.

Claims

A kind of rapid pipe joint, its inboard control sleeve pipe of establishing several steel balls that encircles of port of giving vent to anger of serving as reasons, accepting casing clamp by the set C shape clasp of outer shroud front end with one ends fixing, and one pressure spring is set in the endoporus back segment of accepting sleeve pipe, be equipped with air outlet adapter in this control sleeve pipe, be equipped with brute spring and push and block one displacement valve on this air outlet adapter one end, this displacement valve one end is convexly equipped with the section of accepting; It is characterized in that: the inlet end inner edge of this control sleeve pipe is provided with an annular groove, and the body of the control sleeve pipe on annular groove provides a screw, the first end of one switching is convexly equipped with a socket body, be equipped with the circular groove groove in the inner outer rim of this socket body, the external end inner edge of this socketed pipe is concaved with recessed bank, the socket body of this first end of transferring is placed through the inlet end of control sleeve pipe, the section of the accepting cover retaining location of the recessed bank of the external end inner edge of this socketed pipe and displacement valve one end on the air outlet adapter, and the circular groove groove of the inner outer rim of the socket body of the first end of transferring and involutory several steel balls that receives into of annular groove of the inlet end inner edge of controlling sleeve pipe, one location bolt screw lock goes into to control the screw and the inflexible steel ball of establishing of the body of sleeve pipe, and this conversion adapter is located with the control sleeve engages and can be rotated relatively.