CN202732286U

CN202732286U - Quick coupler for compressor

Info

Publication number: CN202732286U
Application number: CN 201220389797
Authority: CN
Inventors: 付志威
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-08-08
Filing date: 2012-08-08
Publication date: 2013-02-13
Anticipated expiration: 2022-08-08

Abstract

The utility model discloses a quick coupler for a compressor. The quick coupler comprises a first spring, a second spring, an end cover made of stainless steel, a valve plug, a main body, a clamping jaw and a sliding sleeve, wherein the main body is hollowed; an internal thread groove is arranged on one end of the main body; the valve plug is arranged in the internal thread groove; the other end of the valve plug is connected with the first spring; the first spring is placed into a step blind hole in the end cover; the end cover is in thread connection with the main body and is used for fixing the valve plug and the first spring therein; another end part of the main body is connected with the clamping jaw; the second spring is wrapped outside the main body; and the sliding sleeve is arranged on the second spring outside the main body, and is provided with an opening for the clamping jaw to enter and exit. The quick coupler for the compressor has the advantages of simple and reliable structure, good sealing performance, capability of quick connecting a pipe fitting, strong loading capacity, long service life and the like.

Description

Compressor rapid pipe joint

Technical field

The utility model relates to rapid pipe joint, is specifically related to a kind of compressor rapid pipe joint.

Background technique

What pipeline connected the most often employing is that pipe joint connects, but the pipeline of existing compressor pressure experiment connects the pipe joint that does not generally match, needs along with market, in recent years there is successively supporting pipe joint to come into the market, be ZL 200820218057.9 such as China Patent No., notification number is CN 201288912Y, the day for announcing is the utility model patent on August 12nd, 2009, fast joint for compressor experiment, relate to pipe joint, stuffing box gland is housed in the pipe joint, and pipe joint is outer to be connected with middle cover by screw thread, and the relative jacket and inner sleeve of middle cover slidably is installed between the jacket and inner sleeve, in to put the inner sleeve phase-contact surface be conical surface, in put and have cone shape hole, place the steel ball that matches with hole size in the cone shape hole, a spring that has all the time overhanging trend all is housed between pipe joint and inner sleeve and pipe joint and the stuffing box gland.It adopts steel ball by the mode of external compression compressor circuit, compresses the increase of the power on pipeline surface along with steel ball, and steel ball can extrude indenture on the pipeline surface, and this can weaken the intensity of pipeline, reduces the working life of pipeline.And to the demand of environmental protection refrigerant, the pressure of compressor pressure test requires also more and more higher, is increased to 4.3MPa by original pressure-bearing 2.8MPa along with now, and above-mentioned structure can not guarantee the sealability of product when high-pressure situations is used, has potential safety hazard.Therefore, existing rapid pipe joint exist use dangerous, easily cause the shortcomings such as the compressor mouth of pipe is bad, the life-span is low, bearing capacity is weak.

The model utility content

The purpose of this utility model provides that a kind of simple and reliable for structure, good seal performance, bearing capacity are strong, the compressor rapid pipe joint of long service life and quick and stable connection pipe fitting.

To achieve these goals, the utility model is designed a kind of compressor rapid pipe joint, comprise the first spring, the second spring and the end cap that is made by stainless steel, spool, body, jaw, sliding sleeve, described body hollow design, one end is provided with the internal thread groove, in the internal thread groove spool is installed, and the spool the other end is connected with the first spring, in the step blind hole that the first spring set terminal covers, described end cap is threaded with body and spool and the first spring is fixed therein; The end of the described body the other end is connected with jaw, the second spring bag is tied up at this external, at this second external spring sliding sleeve is installed, this sliding sleeve is provided with the opening of coming in and going out for the folder melon, jaw is moved up and down with the second spring by External Force Acting in sliding sleeve with body, described jaw is comprised of 4 lobes or the identical pawl lobe of 6 lobes, the pawl lobe is wooden dipper shape shape, adopt the clamping compressor exhaust pipe of mode or the liquor separator suction tude of jaw, jaw after being formed by wooden dipper shape shape pawl lobe, better bag is tied up at mouth of pipe outer surface, and this connects safety, stable and can be to the pipeline injury.

As one of preferred version of the utility model compressor rapid pipe joint, described spool is that spool end cap and spool body are integrally formed, be provided with through hole in the spool, be placed with seal ring in the through hole, an end that is placed with seal ring is connected with body, also be provided with an O type circle on the spool, described compressor arranges spool with rapid pipe joint, can move to realize direction control by spool, pressure control or flow control etc., better the present pressure measurement of reply is increased to the use condition of 4.3MPa, can make pressure steady, not damage joint, prolong the working life of rapid pipe joint.

As two of the preferred version of the utility model compressor rapid pipe joint, described spool comprises spool end cap and spool body, be provided with through hole in the spool end cap, be placed with seal ring in the through hole, an end that is placed with seal ring is connected with spool body line, the other end is connected with body, also be provided with an O type circle on the spool body, spool adopts the split design, the one convenient seal ring of installing, two seal rings when having guaranteed preferably to be subject to larger compression shock in use can not washed out, and have guaranteed the fixing of seal ring, and then have guaranteed the sealability of spool.

The outside, described spool lower end also is provided with two rectangular-shaped pits, and two rectangular-shaped pits are arranged symmetrically with along the center spool line.

Described jaw is comprised of 4 lobes or the identical pawl lobe of 6 lobes, the pawl lobe is wooden dipper shape shape, adopt the clamping compressor exhaust pipe of mode or the liquor separator suction tude of jaw, jaw after being formed by wooden dipper shape shape pawl lobe, better bag is tied up at mouth of pipe outer surface, and this connects safely, stablizes and can be to the pipeline injury.

Described sliding sleeve bottom is provided with the right angle corresponding with jaw and/or chamfering, and the outside also is provided with latticed annular knurl, increases the frictional force of holding support.

The described sliding sleeve outside is provided with position, L shaped hole, described body is provided with the thread groove corresponding with position, L shaped hole size, bolt is housed on the thread groove, and bolt is as gear on-off, thus by mobile bolt by moving up and down of external force control body and jaw and unclamping or clamping of jaw.

The end that described body is connected with end cap is provided with the 2nd O type circle, has guaranteed the sealing of body and end cap joint.

Described end cap side is provided with tapped hole, and tapped hole connects with the step blind hole and is connected, and this tapped hole is used for linking to each other with the liquor separator suction tude, as the suction port of compressor with rapid pipe joint.

Described end cap end is provided with suspension ring, before carrying out the compressor manometric test, passes suspension ring with chain and is fixed, and secondary guarantees the Security that product uses.

The utility model compressor beneficial effect of rapid pipe joint: the clamping compressor exhaust pipe of mode or the liquor separator suction tude that adopt jaw, and the jaw that is formed by the pawl lobe, better bag is tied up at mouth of pipe outer surface, and this connects safely, stablizes and can be to the pipeline injury; Between body and end cap, spool is set, can move to realize direction control, pressure control or flow control etc. by spool, better tackle the use condition that present pressure measurement is increased to 4.3MPa, can make pressure steady, do not damage joint, prolong the working life of rapid pipe joint; Body arranged outside the first spring and bolt can well be controlled the movement of jaw, conveniently clamp and unclamp the mouth of pipe, and an O type circle that arranges on the 2nd O type circle that arranges on the spool, seal ring, the body plays the seal action of pipeline and spool; Whole compressor adopts stainless steel to be made with rapid pipe joint, and the life-span is long; Whole product adopt be threaded and clamp fixing, easy accessibility, easy operating.

Description of drawings:

Fig. 1 is the structural representation that the utility model compressor is used rapid pipe joint embodiment one.

Fig. 2 is the structural representation that the utility model compressor is used rapid pipe joint embodiment two.

Embodiment

For the ease of those skilled in the art's understanding, below in conjunction with specific embodiment and accompanying drawing structural principle of the present utility model is described in further detail.

Embodiment one

As shown in Figure 1, described compressor comprises the first spring 20, the second spring 21 and the end cap 1 that is made by stainless steel, spool 4, body 11, jaw 14, sliding sleeve 16 with rapid pipe joint, described body 11 hollow design, one end is provided with internal thread groove 10, spool 4 is installed in the internal thread groove 10, spool 4 the other ends are connected with the first spring 20, the first spring 20 is inserted in the step blind hole 24 on the end cap 1, and described end cap 1 is threaded with body 11 and spool 4 and the first spring 20 are fixed therein; The end of described body 11 the other ends is connected with jaw 14, the second spring 21 bags are tied up outside body 11, the second spring outside body 11 is equipped with sliding sleeve 16, this sliding sleeve 16 is provided with the opening 26 of coming in and going out for folder melon 14, jaw 14 can be moved up and down with the second spring 21 by External Force Acting in sliding sleeve 16 with body 11, described jaw 14 is comprised of 4 lobes or the identical pawl lobe of 6 lobes, the pawl lobe is wooden dipper shape shape, adopt the clamping compressor exhaust pipe of mode or the liquor separator suction tude of jaw 14, jaw 14 after being formed by wooden dipper shape shape pawl lobe, better bag is tied up at mouth of pipe outer surface, and this connects safety, stable and can be to the pipeline injury.

As shown in Figure 1, described spool 4 comprises spool end cap 7 and spool body 25, be provided with through hole 6 in the spool end cap 7, be placed with seal ring 5 in the through hole 6, an end that is placed with seal ring 5 is threaded with spool body 25, the other end is connected with body 11, also be provided with an O type circle 3 on the spool body 25, the outside, described spool 4 lower ends also is provided with two rectangular-shaped pits 8, two rectangular-shaped pits 8 are arranged symmetrically with along spool 4 center lines, described compressor arranges spool with rapid pipe joint, can move to realize direction control by spool, pressure control or flow control etc., better the present pressure measurement of reply is increased to the use condition of 4.3MPa, can make pressure steady, do not damage joint, prolong the working life of rapid pipe joint, be designed to simultaneously Split type structure, first seal ring 5 is put into the through hole 6 of spool end cap 7 during installation, then the spool end cap is connected with the spool body, this design one convenient seal ring of installing, two can guarantee that seal ring can not washed out when suction port pressure during greater than exhaust port pressure, guarantee the fixing of seal ring, and then guaranteed product sealing and safety in use.

As shown in Figure 1, described sliding sleeve 16 bottoms are provided with right angle and/or the chamfering 18 corresponding with jaw 14, the outside also is provided with latticed annular knurl 17, increase the frictional force of holding support, described sliding sleeve 16 outsides are provided with position, L shaped hole 15, described body 11 is provided with the thread groove 12 corresponding with position, L shaped hole 15 sizes, bolt 13 is housed on the thread groove 12, bolt 13 is as gear on-off, thereby by mobile bolt 13 by moving up and down of external force control body 11 and jaw 14 and unclamping or clamping of jaw 14, first body 11 and jaw 14 and sliding sleeve 16 are fixed, then pierced into from position, L shaped hole 15 with bolt 13 and be fixed on the tapped hole 12, utilize body 11 outsides to wrap the expansion performance of the first spring 21 of tiing up, by means of stretching of external force control jaw, further the control jaw connects the mouth of pipe and unclamps the mouth of pipe, the external force that this action need is less, convenient control, save manpower, described compressor rapid pipe joint adopts stainless steel to be made, but the working life of this extending connector.

As shown in Figure 1, described end cap 1 side is provided with tapped hole 19, tapped hole 19 connects with step blind hole 24 and is connected, this tapped hole 19 is used for linking to each other with the liquor separator suction tude, as the suction port of compressor with rapid pipe joint, the end that described body 11 is connected with end cap 1 is provided with the 2nd O type circle 9, has guaranteed the sealing of body and end cap joint.

Embodiment two

As shown in Figure 2, the present embodiment is basic identical with embodiment one structure and principle, different place is: described spool 4 is that spool end cap 7 and spool body 25 are integrally formed, be provided with through hole 6 in the spool, be placed with seal ring 5 in the through hole, an end that is placed with seal ring 5 is connected with body 11, also be provided with an O type circle 3 on the spool, described compressor arranges spool with rapid pipe joint, can move to realize direction control by spool, the use condition that present pressure measurement is increased to 4.3MPa is better tackled in pressure control or flow control etc., can make pressure steady, do not damage joint, prolong the working life of rapid pipe joint.

As shown in Figure 2, described end cap 1 end is provided with suspension ring 23, and this end cap 1 not rapid pipe joint of inlet be used for to connect the suction tude of liquor separator, before carrying out the compressor manometric test, pass suspension ring 23 with chain and be fixed, secondary guarantees the Security that product uses.

Above-mentioned compressor can be exchanged with the embodiment one of rapid pipe joint and the spool 4 described in the embodiment two and/or end cap 1, be that the spool 4 described in the embodiment one and/or end cap 1 can be used among the embodiment two, the spool 4 described in the embodiment two and/or end cap 1 can be used for implementing in one.

Above-mentioned embodiment is preferred embodiment of the present utility model, can not limit with the utility model other any change that does not deviate from the technical solution of the utility model and make or other

The substitute mode of equivalence all is included within the protection domain of the present utility model.

Claims

1. compressor rapid pipe joint, it is characterized in that: comprise the first spring (20), the second spring (21) and the end cap (1) that is made by stainless steel, spool (4), body (11), jaw (14), sliding sleeve (16), described body (11) hollow design, one end is provided with internal thread groove (10), spool (4) is installed in the internal thread groove (10), spool (4) the other end is connected with the first spring (20), the first spring (20) is inserted in the step blind hole (24) on the end cap (1), and described end cap (1) is threaded with body (11) and spool (4) and the first spring (20) are fixed therein; The end of described body (11) the other end is connected with jaw (14), the second spring (21) bag is tied up outside body (11), the second spring outside body (11) is equipped with sliding sleeve (16), and this sliding sleeve (16) is provided with the opening (26) of coming in and going out for folder melon (14).

2. compressor rapid pipe joint according to claim 1, it is characterized in that: described spool (4) is that spool end cap (7) and spool body (25) are integrally formed, be provided with through hole (6) in the spool (4), be placed with seal ring (5) in the through hole, an end that is placed with seal ring (5) is connected with body (11), also is provided with an O type circle (3) on the spool.

3. compressor rapid pipe joint according to claim 1, it is characterized in that: described spool (4) comprises spool end cap (7) and spool body (25), be provided with through hole (6) in the spool end cap (7), be placed with seal ring (5) in the through hole (6), an end that is placed with seal ring (5) is threaded with spool body (25), the other end is connected with body (11), also is provided with an O type circle (3) on the spool body (4).

4. compressor rapid pipe joint according to claim 3 is characterized in that: the outside, described spool (4) lower end also is provided with two rectangular-shaped pits (8), and two rectangular-shaped pits (8) are arranged symmetrically with along spool (4) center line.

5. according to claim 2 or 4 described compressor rapid pipe joints, it is characterized in that: described jaw (14) is comprised of 4 lobes or the identical pawl lobe of 6 lobes.

6. compressor rapid pipe joint according to claim 5 is characterized in that: described sliding sleeve (16) bottom is provided with the right angle corresponding with jaw (14) and/or chamfering (18), and the outside also is provided with latticed annular knurl (17).

7. compressor rapid pipe joint according to claim 6, it is characterized in that: described sliding sleeve (16) outside is provided with position, L shaped hole (15), described body (11) is provided with the thread groove (12) corresponding with position, L shaped hole (15) size, and bolt (13) is housed on the thread groove (12).

8. compressor rapid pipe joint according to claim 7 is characterized in that: the end that described body (11) is connected with end cap (1) is provided with the 2nd O type circle (9).

9.Compressor rapid pipe joint according to claim 8 is characterized in that: described end cap (1) side is provided with tapped hole (19), and tapped hole (19) connects with step blind hole (24) and is connected.

10.Compressor rapid pipe joint according to claim 8 is characterized in that: described end cap (1) end is provided with suspension ring (23).