CN101722490B

CN101722490B - Quick connector for workpieces

Info

Publication number: CN101722490B
Application number: CN2008101948612A
Authority: CN
Inventors: 黄国庆
Original assignee: KUNSHAN YICHENG TOOL CO Ltd
Current assignee: Meishiman Tools Hai'an Co ltd
Priority date: 2008-10-22
Filing date: 2008-10-22
Publication date: 2011-11-30
Anticipated expiration: 2028-10-22
Also published as: CN101722490A

Abstract

The invention discloses a quick connector for workpieces, a rear sleeve is fixedly arranged at the rear port of an outer sleeve, a mandrel movably passes through the rear sleeve and is movably arranged in the outer sleeve, the inner wall in the front of the outer sleeve is formed with a neck part reduced forwards in a radial direction, the front end of the mandrel is formed with a cavity, the wall of the cavity is provided with a first hole in which a first steel ball is arranged movably, the outer wall of the mandrel is provided with a second hole and an arched groove, the second hole is communicated with the arched groove, and the second hole therein is movably provided with a second steel ball which is capable of being stopped at the notch of the arched groove; a first gasket, an inner sleeve, a first spring and a second spring are movably sleeved on the outer wall of the mandrel, the first gasket is fixedly located at the rear end of the neck part of the outer sleeve, the first gasket is stopped at the second steel ball, the front end of the first spring elastically leans against the inner sleeve, the inner sleeve leans against the second steel ball, the rear end of the first spring is fixedly located on the mandrel, the front end of the second spring is fixedly located on the mandrel, and the rear end of the second spring elastically leans against the rear sleeve. The embodiment is capable of realizing the quick splicing and extraction of workpieces and has reliable structure and convenient use.

Description

Quick connector for workpieces

Technical field

The present invention relates to a kind of workpiece connector, especially a kind of quick connector for workpieces.

Background technology

The many magnetic suction types with magnet of traditional workpiece joints are connected workpiece, but comparatively bother when taking off workpiece, particularly user's hand through regular meeting because of grease has sliding hand problem, cause the shortcoming that is difficult to take off workpiece.

Summary of the invention

In order to overcome above-mentioned defective, the invention discloses a kind of quick connector for workpieces, can realize the quick grafting of workpiece and extract reliable in structure, easy to use.

The present invention for the technical scheme that solves its technical problem and adopt is:

A kind of quick connector for workpieces, comprise overcoat and mandrel, with the workpiece direction of insertion is benchmark, the overcoat rear port is installed with the back cover, overlap after the mandrel activity is passed and be movably placed in the overcoat, the overcoat front inner wall forms the neck that radially dwindles gradually forward, the mandrel front end forms non-circular cavity, offer first hole on the cavity wall, be movably equipped with first steel ball in first hole, offer at least one second hole and the arc shaped groove identical on the described mandrel outer wall with second hole number, described second hole communicates with arc shaped groove, and the degree of depth in described second hole is greater than the degree of depth of deep-slotted chip breaker, be movably equipped with second steel ball in second hole, but the second steel ball stop is in the notch of deep-slotted chip breaker, be provided with first pad between overcoat and the mandrel, interior cover and first, two springs, first pad, interior cover and first, two springs are movably set in the mandrel outer wall, first spacers is positioned the neck rear end of overcoat, the first pad stop is in second steel ball, cover in the first spring front end resilient abutment, interior cover is against second steel ball, first spring rear end is fixed positioned on the mandrel, the second spring front end is fixed positioned on the mandrel, overlap after the second spring rear end resilient abutment, the elastic force of first spring all the time forward, the elastic force of second spring all the time backward, the elastic force of second spring is greater than the elastic force of first spring.

The structure that described first spring rear end is fixed positioned on the mandrel is: offer the jump ring mouth on the described mandrel outer wall, be fixed with jump ring in the jump ring mouth, be provided with second pad between described overcoat and the mandrel again, second pad is sheathed on the mandrel outer wall, the first spring rear end resilient abutment, second pad, the second pad stop is in the jump ring front side; The structure that the described second spring front end is fixed positioned on the mandrel is: be provided with the 3rd pad between described overcoat and the mandrel again, the 3rd pad is sheathed on the mandrel outer wall, the second spring front end resilient abutment the 3rd pad, and the 3rd pad stop is in the jump ring rear side.

Described mandrel front end just can flush with the overcoat front end.

Described cavity is the hexangle type cavity.

Useful technique effect of the present invention is: wait for when workpiece inserts, the second steel ball stop, first pad can keep workpiece not to be subjected to the state of first steel ball compressing, when workpiece inserts, second steel ball is squeezed into by workpiece can be the state of moving freely in deep-slotted chip breaker, because second spring force is greater than first spring, second spring will promote to move after the back is overlapped and move after making overcoat, thereby makes first steel ball be subjected to the compressing of overcoat neck and workpiece pressing; When need taking out workpiece, with the relative mandrel reach of overcoat, first steel ball is not oppressed by neck, second steel ball fall in second hole and stop in the notch of deep-slotted chip breaker, workpiece can take off easily; Can realize the quick grafting of workpiece like this and extract simple in structure, reliable in function and easy to use.

Description of drawings

Fig. 1 is a schematic diagram of the present invention;

Fig. 2 is a user mode schematic diagram of the present invention.

The specific embodiment

Embodiment: a kind of quick connector for workpieces, comprise overcoat 1 and mandrel 3, with the workpiece direction of insertion is benchmark, overcoat 1 rear port is installed with back cover 2, mandrel 3 activities are passed back cover 2 and are movably placed in the overcoat 1, overcoat 1 front inner wall forms the neck 18 that radially dwindles gradually forward, mandrel 3 front ends form non-circular cavity 9, offer first hole 5 on cavity 9 walls, be movably equipped with first steel ball 7 in first hole 5, offer at least one second hole 6 and arc shaped groove 16 identical on described mandrel 3 outer walls with second hole number, described second hole 6 communicates with arc shaped groove 16, and the degree of depth in described second hole 6 is greater than the degree of depth of deep-slotted chip breaker 16, be movably equipped with second steel ball 8 in second hole 6, but second steel ball, 8 stops are in the notch of deep-slotted chip breaker 16, be provided with first pad 11 between overcoat 1 and the mandrel 3, interior cover 10 and first, two

springs

14,15, first pad 11, interior cover 10 and first, two

springs

14,15 are movably set in mandrel 3 outer walls, first pad 11 is fixed positioned in neck 18 rear ends of overcoat 1, first pad, 11 stops are in second steel ball 8, cover 10 in first spring, the 14 front end resilient abutment, in cover 10 against second steel ball 8, first spring, 14 rear ends are fixed positioned on the mandrel 3, second spring, 15 front ends are fixed positioned on the mandrel 3, overlap 2 after second spring, the 15 rear end resilient abutment, the elastic force of first spring 14 all the time forward, the elastic force of second spring 15 all the time backward, the elastic force of second spring 15 is greater than the elastic force of first spring 14.

The structure that described first spring 14 rear ends are fixed positioned on the mandrel 3 is: offer the jump ring mouth on described mandrel 3 outer walls, be fixed with jump ring 17 in the jump ring mouth, be provided with second pad 12 between described overcoat 1 and the mandrel 3 again, second pad 12 is sheathed on mandrel 3 outer walls, first spring, 14 rear end resilient abutment, second pad, 12, the second pads, 12 stops are in jump ring 17 front sides; The structure that described second spring, 15 front ends are fixed positioned on the mandrel 3 is: be provided with the 3rd pad 13 between described overcoat 1 and the mandrel 3 again, the 3rd pad 13 is sheathed on mandrel 3 outer walls, second spring, 15 front end resilient abutment the 3rd pad, 13, the three pads, 13 stops are in jump ring 17 rear sides.

Described mandrel 3 front ends just can flush with overcoat 1 front end.

Described cavity 9 is the hexangle type cavity.

When using: be benchmark with the workpiece direction of insertion: workpiece is inserted backward by the cavity 9 of mandrel 3, pushing second steel ball 8 moves outside second hole 6, cover 10 in second steel ball 8 pushes backward, when treating that workpiece is inserted into the rear end of cavity 9 fully, second steel ball, 8 bottoms proper and deep-slotted chip breaker 16 bottoms fair (promptly second steel ball 8 can be free to slide in deep-slotted chip breaker 16), because the elastic force of second spring 15 is greater than the elastic force of first spring 14, second spring 15 promotes back cover 2 and moves backward, thereby making overcoat 1 follow back cover 2 moves backward, the neck 18 of overcoat 1 front end drives first pad 11 and moves backward, first pad 11 promotes second steel ball 8 backward, make second steel ball 8 push interior cover 10 backward, interior cover 10 compressions first spring 14, the neck 18 of overcoat front end moves backward with overcoat 1, be subjected to the compressing of neck 18 inwalls and workpiece pressing until first steel ball 7, second steel ball 14 is arranged in deep-slotted chip breaker 16.

In the time of need taking off workpiece, holding overcoat 1 relative mandrel 3 moves forward, thereby the neck of overcoat front end 16 relative mandrels 3 move forward the compressing having removed first steel ball 7 and be subjected to neck 16 inwalls (promptly having removed the compressing that workpiece is subjected to first steel ball 7), first spring 14 stretches forward simultaneously, cover 10 in first spring 14 promotes forward, interior cover 10 promotes second steel ball 8 forward, second steel ball 8 is fallen into from deep-slotted chip breaker in second hole 6, thereby make second steel ball, 8 stops in the notch of deep-slotted chip breaker 16, keep workpiece not to be subjected to the state of first steel ball, 7 compressings, workpiece can be taken off smoothly, wait for next time and inserting.

Claims

1. quick connector for workpieces, it is characterized in that: comprise overcoat (1) and mandrel (3), with the workpiece direction of insertion is benchmark, overcoat (1) rear port is installed with back cover (2), overlap after mandrel (3) activity is passed and be movably placed in the overcoat, the overcoat front inner wall radially forms the neck (18) that dwindles forward gradually, the mandrel front end forms non-circular cavity (9), offer first hole (5) on the cavity wall, be movably equipped with first steel ball (7) in first hole, offer at least one second hole (6) and the arc shaped groove (16) identical on the described mandrel outer wall with second hole number, described second hole communicates with arc shaped groove, and the degree of depth in described second hole is greater than the degree of depth of deep-slotted chip breaker, be movably equipped with second steel ball (8) in second hole, but the second steel ball stop is in the notch of deep-slotted chip breaker, be provided with first pad (11) between overcoat and the mandrel, interior cover (10) and first, two springs (14,15), first pad (11), interior cover and first, two springs are movably set in the mandrel outer wall, first spacers is positioned the neck rear end of overcoat, the first pad stop is in second steel ball, cover in the first spring front end resilient abutment, interior cover is against second steel ball, first spring rear end is fixed positioned on the mandrel, the second spring front end is fixed positioned on the mandrel, overlap after the second spring rear end resilient abutment, the elastic force of first spring all the time forward, the elastic force of second spring all the time backward, the elastic force of second spring is greater than the elastic force of first spring.

2. quick connector for workpieces according to claim 1, it is characterized in that: the structure that described first spring rear end is fixed positioned on the mandrel is: offer the jump ring mouth on the described mandrel outer wall, be fixed with jump ring (17) in the jump ring mouth, be provided with second pad (12) between described overcoat and the mandrel again, second pad is sheathed on the mandrel outer wall, the first spring rear end resilient abutment, second pad, the second pad stop is in the jump ring front side; The structure that the described second spring front end is fixed positioned on the mandrel is: be provided with the 3rd pad (13) between described overcoat and the mandrel again, the 3rd pad is sheathed on the mandrel outer wall, the second spring front end resilient abutment the 3rd pad, and the 3rd pad stop is in the jump ring rear side.

3. quick connector for workpieces according to claim 1 is characterized in that: described mandrel front end just can flush with the overcoat front end.

4. quick connector for workpieces according to claim 1 is characterized in that: described cavity is the hexangle type cavity.