CN101196263A

CN101196263A - Fast joint

Info

Publication number: CN101196263A
Application number: CNA2006101443854A
Authority: CN
Inventors: 张玉清
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-12-05
Filing date: 2006-12-05
Publication date: 2008-06-11

Abstract

The invention relates to a quick-acting coupling, which comprises a coupling body, a shell, a sliding seat and an elastic element. The quick-acting coupling is internally provided with a containing space, the containing space is internally positioned with an inverted valve and an elastic element and has two through holes at two ends; the shell is provided with a big open end and a small open end and a bevel segment on internal wall, the shell is arranged at one end of the coupling body; the sliding seat has a long hole penetrating through the sliding seat with a first and a second ring section arranged in convex on the external edge; a plurality of clearances are opened on the wall between the two ring sections for communicating the inside and the outside of the clearances and a ball bearing is positioned at each clearance; the sliding seat is arranged at one end of the shell, the first ring section drops outside the shell and the second one drops inside the shell and the bevel segment of the shell drops between the two ring sections; the elastic element is arranged in the shell and between the sliding seat and the coupling body.

Description

Rapid pipe joint

Technical field

The present invention is relevant with the employed equipment of pneumatic tool, be meant especially a kind of simple in structure, manipulate easy rapid pipe joint.

Background technique

At present on the market the rapid pipe joint of common high-pressure air pipe mainly all be the combination that utilizes an outer sleeve, spring and steel ball, the user must pull back outer sleeve earlier when taking over, backing out positioning area can insert the interface of adapter, and then the relieving outer sleeve, allow outer sleeve release power and to reply the location by returning of spring.

And the same must earlier outer sleeve being pulled back when tearing pipe open backed out positioning area the interface of adapter can be detached, and then decontrols outer sleeve, allows outer sleeve be released power and to be replied the location by returning of spring.Though commonly using product, this kind do not have any great shortcoming, no matter it is be to connect or tear open all must go to pull to press outer sleeve adapter could be connected in the use, comparatively not convenient in operation.

Summary of the invention

At the problems referred to above, main purpose of the present invention is to provide a kind of easy to use, simple in structure and rapid pipe joint that cost is low.

For achieving the above object, a kind of rapid pipe joint provided by the present invention, it is characterized in that including: a body, be used for being connected with the general high voltage air shooter, described body interior is provided with a containing space, be provided with a check valve and an elastic component in the described containing space, described elastic component is resisted against the wall of described check valve and described containing space, the two ends of described containing space are respectively equipped with a through hole, described containing space is in communication with the outside, and described elastic component makes described check valve under normal conditions for compressing and be sealed on a through hole; One shell, in a tubular form, inner hollow, two ends all have opening, and the bigger end of internal diameter one end of described shell is less, form a big opening end and a little opening end respectively with the opening at its two end, and the internal face of described shell is being provided with a bevel phase near described little open end, make the internal diameter of described shell be reduced into little internal diameter by large diameter, described shell is arranged in an end of described body with its big opening end, and described enclosure is communicated with the through hole of described body; One sliding seat, in a tubular form, has a slotted hole, run through described sliding seat, described sliding seat outer rim convexes with one first ring portion and one second ring portion, and the wall between described first ring portion and second ring portion is provided with some breach, the inside that is communicated with described sliding seat is with outside, each described indentation, there correspondence is provided with a ball simultaneously, described sliding seat is arranged in the little opening end of described shell, first ring portion of described sliding seat falls within outside the described shell, and described second ring portion then falls within the described shell, and the bevel phase of described shell is fallen between described first ring portion and second ring portion; One elastic component is sheathed on described sliding seat and is located in the described shell, and an end of described elastic component is resisted against described sliding seat, and the other end then is resisted against described body, makes described sliding seat be kept away from the position of described body under normal conditions.

In the technological scheme of the invention described above, the internal diameter of described each breach is cumulative outwardly by described sliding seat inwall end, and the section of described breach is taper.

In the above technological scheme of the present invention, described body is made of the two shell spares institute that is connected, and inner forms described containing space, is respectively equipped with through hole on described two shell spares.

In the above technological scheme of the present invention, an end of described elastic component is resisted against second ring portion of described sliding seat, and the other end then is resisted against described body.

In the above technological scheme of the present invention, be equipped with two breach on the described sliding seat.

In the above technological scheme of the present invention, described each ball falls between the described bevel phase and second ring portion.

Adopt technique scheme, the present invention can allow the user when taking over and without any need for extra action, as long as directly will take over to insert in the sliding seat slotted hole and can fix the location automatically, and when separating, also only need click first ring portion of sliding seat, adapter can break away from automatically, and is significantly easy than commonly using product.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the present invention;

Fig. 2 to Fig. 9 is the schematic representation of the present invention when using.

Embodiment

Now lifting following examples also is elaborated to structure of the present invention and effect in conjunction with the accompanying drawings.

As shown in Figure 1, rapid pipe joint of the present invention includes:

One body 10, be located at an end of general high voltage air shooter, body 10 inside are provided with a containing space 11, be provided with a check valve 12 and an elastic component 13 in the containing space 11, elastic component 13 is resisted against the wall of check valve 12 and containing space 11, the two ends of containing space 11 have a through

hole

14,15 respectively, and containing space 11 can be in communication with the outside, and can make check valve 12 under normal conditions for compressing and be sealed on through hole 14 places by elastic component 13.Body 10 is made of two shell spares 101,102 institute that is connected in the present embodiment, and the inner containing space 11 that forms is respectively equipped with through

hole

14,15 on two shell spares, also be provided with an elastic washer 16 in the containing space 11.

One shell 20, in a tubular form, inner hollow, two ends all have opening, the bigger end of internal diameter one end of shell 20 is less, so that the opening of its two end forms a big opening end 21 and a little opening end 22 respectively, and the internal face of shell 20 makes the internal diameter of shell 20 be reduced into little internal diameter by large diameter being provided with a bevel phase 23 near little open end.Shell 20 is arranged in an end of body 10 with its big opening end 21, and shell 20 inside can be communicated with the through hole 14 of body 10.

One sliding seat 30, in a tubular form, has a slotted hole 31, run through sliding seat 30, sliding seat 30 outer rims convex with one first ring portion 32 and one second ring portion 33, and are provided with some breach 34 at the wall of 33 of first ring portion 32 and second ring portions, the inside that is communicated with sliding seat 30 is with outside, and the internal diameter of each breach 34 is cumulative outwardly by sliding seat 30 inwall ends, makes the section of breach 34 be taper, and each indentation, there of while also correspondence is provided with a ball 35.Sliding seat 30 is arranged in the little opening end 22 of shell 20, first ring portion 32 of sliding seat 30 falls within outside the shell 20, second ring portion 33 then falls within the shell 20, the bevel phase 23 of shell 20 is fallen between first ring portion 32 and second ring portion 33, and ball 35 then falls between the bevel phase 23 and second ring portion 33.In the present embodiment, be equipped with two breach 34 on the sliding seat 30, be respectively equipped with a ball 35 in each breach 34.The quantity of breach 34 and indefinite can be that three, four or five breach can.

One elastic component 40 is sheathed on sliding seat 30 and is located in the shell 20, and an end of elastic component 40 is second ring portion 33 that is resisted against sliding seat 30, and the other end then is resisted against body 10, makes sliding seat 30 be kept away from the position of body 10 under normal conditions.

Adopt said structure, the original state of the present invention after combination, the through hole 14 of check valve 12 meeting enclosed body 10, sliding seat 30 then can be moved to shell 20 outsides by elastic component 40 ejections, and 35 on each ball can be because of the local breach that protrudes from sliding seat 30 slightly 34 (as shown in Figure 2) of the pinching of sliding seat 30 second ring portions 33 and shell 20 bevel phase 23.

During use, the adapter A that will connect is inserted by slotted hole 31 places of sliding seat 30, owing to take over pressing down of A, this is taken over and can push ball 35, forcing ball 35 to push sliding seat 30 along the hypotenuse of sliding seat breach 34 moves and compression elastic piece 40 towards body 10, along with moving of sliding seat 30, the space between second ring portion 33 and the bevel phase 23 can increase and allow each ball 35 have enough spaces to retreat.After each ball 35 withdraws from breach 34, take over A just can the slotted hole 31 of very smooth insertion sliding seat 30 in, until take over A deeply when locating, taking over A can promote check valve 12 and move and allow the through hole 14 of body 10 be the state of opening, sliding seat 30 can be released power because of returning of elastic component 40 and be pushed away main body 10 again, simultaneously also with second ring portion 33 bevel phase 23 of ball 35 being pushed to shell once more, ball can be replied with the pinching of bevel phase 23 because of second ring portion 33 again and be protruded from breach 34 then, blocks the function (extremely shown in Figure 5 as Fig. 2) that the concave section of taking over A reaches the location.

Separate when taking over, the user only needs sliding seat 30 to pressing down, sliding seat 30 is moved and compression elastic piece 40 towards body 10 directions, because pushing of sliding seat breach 34 hypotenuses, ball 35 can be withdrawed from the slotted hole 31 of sliding seat by the hypotenuse pusher, take over this moment A just no longer be subjected to ball 35 blocking and can be because time the releasing power and be ejected sliding seat 30 of check valve 12 below elastic components 13, decontrol pushing afterwards to sliding seat 30, sliding seat 30 just can be pushed back initial position again by elastic component 40, and each ball 35 also can return the position (extremely shown in Figure 9 as Fig. 6) that protrudes from each breach 34.

With structure of the present invention, the user can fix the location automatically as long as directly will take over to insert in the sliding seat slotted hole, and also only need click first ring portion of sliding seat when separating when taking over and without any need for extra action, adapter can break away from automatically, and is significantly easy than commonly using product.

Claims

1. rapid pipe joint is characterized in that including:

One body, be used for being connected with the general high voltage air shooter, described body interior is provided with a containing space, be provided with a check valve and an elastic component in the described containing space, described elastic component is resisted against the wall of described check valve and described containing space, the two ends of described containing space are respectively equipped with a through hole, and described containing space is in communication with the outside, and described elastic component makes described check valve under normal conditions for compressing and be sealed on a through hole;

One shell, in a tubular form, inner hollow, two ends all have opening, and the bigger end of internal diameter one end of described shell is less, form a big opening end and a little opening end respectively with the opening at its two end, and the internal face of described shell is being provided with a bevel phase near described little open end, make the internal diameter of described shell be reduced into little internal diameter by large diameter, described shell is arranged in an end of described body with its big opening end, and described enclosure is communicated with the through hole of described body;

One sliding seat, in a tubular form, has a slotted hole, run through described sliding seat, described sliding seat outer rim convexes with one first ring portion and one second ring portion, and the wall between described first ring portion and second ring portion is provided with some breach, the inside that is communicated with described sliding seat is with outside, each described indentation, there correspondence is provided with a ball simultaneously, described sliding seat is arranged in the little opening end of described shell, first ring portion of described sliding seat falls within outside the described shell, and described second ring portion then falls within the described shell, and the bevel phase of described shell is fallen between described first ring portion and second ring portion;

One elastic component is sheathed on described sliding seat and is located in the described shell, and an end of described elastic component is resisted against described sliding seat, and the other end then is resisted against described body, makes described sliding seat be kept away from the position of described body under normal conditions.

2. rapid pipe joint as claimed in claim 1 is characterized in that: the internal diameter of described each breach is cumulative outwardly by described sliding seat inwall end, and the section of described breach is taper.

3. rapid pipe joint as claimed in claim 1 is characterized in that: described body is made of the two shell spares institute that is connected, and inner forms described containing space, is respectively equipped with through hole on described two shell spares.

4. rapid pipe joint as claimed in claim 1 is characterized in that: an end of described elastic component is resisted against second ring portion of described sliding seat, and the other end then is resisted against described body.

5. rapid pipe joint as claimed in claim 1 is characterized in that: be equipped with two breach on the described sliding seat.

6. rapid pipe joint as claimed in claim 1 is characterized in that: described each ball falls between the described bevel phase and second ring portion.