CN112923150A

CN112923150A - Coupling assembling, pipe-line system and air conditioning system

Info

Publication number: CN112923150A
Application number: CN202110136590.0A
Authority: CN
Inventors: 余磊; 黄英文; 卢冠卫; 刘建东; 李庆鑫; 陈昌中
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-06-08

Abstract

The application provides a coupling assembling, pipe-line system and air conditioning system. This coupling assembling is used for connecting first pipe fitting and second pipe fitting, the coupling assembling includes: the lining sleeve comprises a first end, and the first pipe fitting is sleeved on the first end; the clamping jaw piece is movably arranged on the lining sleeve; the jaw member and the inner liner sleeve clamp or unclamp the first tubular member. The first pipe fitting is clamped or loosened by combining the movably arranged clamping jaw piece with the lining sleeve, the lining sleeve is communicated with the first pipe fitting during clamping, and the first pipe fitting is convenient to leave from the lining sleeve during loosening; thereby realizing the quick locking or loosening of the pipeline.

Description

Coupling assembling, pipe-line system and air conditioning system

Technical Field

The application belongs to the technical field of air conditioning systems, and particularly relates to a connecting assembly, a pipeline system and an air conditioning system.

Background

At present, the connection of an internal machine and an external machine is usually carried out by adopting modes such as welding, bell mouth thread switching and the like in the matching or operation debugging process of an air conditioning system, and the need of repeated dismounting can be involved.

The welded connection process needs to be according to air conditioning system's installation and debugging condition, need carry out the many times welding of different degrees at inside and outside machine side, under the condition of many times welding, easily causes the overburning of mouth of pipe position, further causes the bearing strength who connects the material to reduce, under the effect of pipeline pressure, probably leads to the system to leak even explode in the twinkling of an eye, reduces product quality and reliability.

The bell mouth thread switching is mainly a connection mode of sealing by matching a threaded joint with a flared bell mouth, the sealing effect of the mode depends on the coaxiality of the bell mouth and the threaded joint, the fastening sealing effect depends on manpower, the adjustment in the links of debugging, formal installation and the like is uncontrollable, and when the bell mouth is tightened too tightly, the clamping force of the threaded joint on the bell mouth is overlarge, so that the pipeline is possibly deformed and damaged; when the adjustment is too loose, the clamping force of the threaded joint on the bell mouth is too small, and under the action of the pipeline pressure, leakage of the system can be caused. Simultaneously need adopt big moment at the tight in-process of beating, can cause the destruction of horn mouth because of the atress is uneven, if this kind of condition appears and also can cause the problem of connecting unreliable, leaking the medium, when appearing leaking the back, need adjust again or change the connecting pipe, waste time and energy.

Under the condition that various disassembly operations of the air conditioner connecting system are involved, the two modes can not meet the requirement of rapid and reliable butt joint of product debugging.

Disclosure of Invention

Therefore, the technical problem that this application will be solved lies in providing a coupling assembling, pipe-line system and air conditioning system, can make things convenient for quick butt joint or dismouting.

In order to solve the above problems, the present application provides a coupling assembly for coupling a first pipe member and a second pipe member, the coupling assembly including:

the lining sleeve comprises a first end, and the first pipe fitting is sleeved on the first end;

the clamping jaw piece is movably arranged on the lining sleeve; the jaw member and the inner liner sleeve clamp or unclamp the first tubular member.

Optionally, the jaw piece comprises a plurality of jaws and an adjusting collar, and the jaws are uniformly distributed on the periphery of the lining sleeve; one end of each clamping jaw is clamped with the lining sleeve; the adjusting lantern ring is arranged on the periphery of the clamping jaw and is axially movably abutted against the clamping jaw along the lining sleeve.

Optionally, the jaw member further includes a driving member, the driving member includes a rotary threaded sleeve and a fastening threaded sleeve, the rotary threaded sleeve is in threaded connection with the inner bushing, and the fastening threaded sleeve is disposed on the rotary threaded sleeve; one end of the adjusting lantern ring is clamped between the buckling threaded sleeve and the rotating threaded sleeve, and the other end of the adjusting lantern ring is abutted to the clamping jaw.

Optionally, one end of the fastening threaded sleeve extends out of the rotating threaded sleeve, and is provided with a protrusion extending towards the adjusting sleeve ring, and the protrusion and the end surface of the rotating threaded sleeve form a groove; one end of the adjusting lantern ring is provided with a first flange clamped with the groove, and the other end of the adjusting lantern ring is provided with a second flange abutted to the clamping jaw.

Optionally, the connecting assembly further includes a reset member, the reset member includes an outer bushing and a spring, the outer bushing is disposed outside the inner bushing, a lining cavity is formed between the outer bushing and the inner bushing, and the spring is disposed in the lining cavity; one end of the clamping jaw is clamped on the outer lining sleeve.

Optionally, one end of the clamping jaw is provided with a limiting groove, the outer bushing pipe is provided with a limiting boss, and the limiting boss is clamped in the limiting groove.

Optionally, the piece that resets still includes interior kicking block, interior kicking block is established in the inside lining cavity, one end butt the spring.

Optionally, a groove is formed in the first end, and a sealing ring is arranged in the groove.

Optionally, the liner sleeve includes a second end, and the second end is fixedly connected to the second pipe fitting via an adapter.

According to another aspect of the present application, there is provided a piping system comprising a connection assembly as described above.

According to a further aspect of the present application, there is provided an air conditioning system comprising a connection assembly as described above or a pipe system as described above.

The application provides a coupling assembling for connecting first pipe fitting and second pipe fitting, coupling assembling includes: the lining sleeve comprises a first end, and the first pipe fitting is sleeved on the first end; the clamping jaw piece is movably arranged on the lining sleeve; the jaw member and the inner liner sleeve clamp or unclamp the first tubular member. The first pipe fitting is clamped or loosened by combining the movably arranged clamping jaw piece with the lining sleeve, the lining sleeve is communicated with the first pipe fitting during clamping, and the first pipe fitting is convenient to leave from the lining sleeve during loosening; thereby realizing the quick locking or loosening of the pipeline.

Drawings

Fig. 1 is a state view of a coupling assembly according to an embodiment of the present disclosure before coupling with a first tubular member;

fig. 2 is a state diagram of the connection assembly according to the embodiment of the present application after being connected to the first pipe.

The reference numerals are represented as:

1. a second pipe member; 2. an adapter; 3. a liner sleeve; 4. an outer liner sleeve; 5. a spring; 6. rotating the threaded sleeve; 7. buckling the threaded sleeve; 8. adjusting the lantern ring; 9. an inner top block; 10. a claw; 11. a seal ring; 12. a first pipe member.

Detailed Description

Referring to fig. 1-2 in combination, according to an embodiment of the present application, a coupling assembly for coupling a first pipe element 12 and a second pipe element 1, the coupling assembly includes:

the lining sleeve 3 comprises a first end, and the first pipe fitting 12 is sleeved on the first end;

the clamping jaw 10 is movably arranged on the lining sleeve 3; the jaws 10 and the liner sleeve 3 clamp or unclamp the first tubular member 12.

The jack catch 10 is arranged at one end of the lining sleeve 3, the first pipe fitting 12 is sleeved at the end of the lining sleeve 3, and therefore acting force for clamping or loosening the first pipe fitting 12 can be generated through the movement of the jack catch 10, so that the pipeline is locked or loosened, and damage to the pipe fitting can be avoided.

In some embodiments, the jaw 10 piece comprises a jaw 10 and an adjusting collar 8, and the jaw 10 is provided with a plurality of jaws which are uniformly distributed on the periphery of the lining sleeve 3; one end of each clamping jaw 10 is clamped with the lining sleeve 3; the adjusting lantern ring 8 is arranged on the periphery of the clamping jaw 10 and is movably abutted against the clamping jaw 10 along the axial direction of the lining sleeve 3.

One end of the clamping jaw 10 is clamped with the inner bushing pipe 3, the other end of the clamping jaw is a free end, under the condition that the adjusting lantern ring 8 moves axially, the other end of the clamping jaw 10 can move along the radial direction, and clamping or loosening of the first pipe fitting 12 is achieved.

In some embodiments, the jaw 10 further comprises a driving member, the driving member comprises a rotating threaded sleeve 6 and a fastening threaded sleeve 7, the rotating threaded sleeve 6 is in threaded connection with the inner bushing 3, and the fastening threaded sleeve 7 is arranged on the rotating threaded sleeve 6; one end of the adjusting lantern ring 8 is clamped between the buckling threaded sleeve 7 and the rotating threaded sleeve 6, and the other end of the adjusting lantern ring is abutted to the clamping jaw 10.

The outer periphery of the lining sleeve 3 is provided with a rotary threaded sleeve 6, and the rotary threaded sleeve 6 rotates to drive the buckling threaded sleeve 7 to move along the axial direction, so that the adjusting lantern ring 8 can be driven to move along the axial direction, and the other end of the clamping jaw 10 can move along the radial direction.

In specific manufacturing, the rotary threaded sleeve 6 and the buckling threaded sleeve 7 can also be of an integrated structure.

In some embodiments, one end of the fastening screw sleeve 7 extends out of the rotating screw sleeve 6, and the end is provided with a protrusion extending towards the adjusting lantern ring 8, and the protrusion and the end surface of the rotating screw sleeve 6 form a groove; one end of the adjusting lantern ring 8 is provided with a first flange clamped with the groove, and the other end of the adjusting lantern ring is provided with a second flange abutted against the clamping jaw 10.

The both ends of adjusting lantern ring 8 all are equipped with the flange, and two flanges extend opposite direction, and with the first flange of recess joint, the driving piece rotates and just can make and adjust lantern ring 8 along axial displacement, and the second flange changes with jack catch 10 butt position, can make jack catch 10 centre gripping or loosen first pipe fitting 12.

In some embodiments, the connecting assembly further comprises a reset member, the reset member comprises an outer bushing 4 and a spring 5, the outer bushing 4 is arranged outside the inner bushing 3, a lining cavity is formed between the outer bushing and the inner bushing, and the spring 5 is arranged in the lining cavity; one end of the clamping jaw 10 is clamped on the outer bushing 4.

The reset piece is arranged in the connecting assembly, the first pipe fitting 12 is sleeved on the lining sleeve 3 until reaching the lining cavity and extrudes the spring 5, and when the claw 10 loosens the first pipe fitting 12, the spring 5 can enable the first pipe fitting 12 to withdraw from the lining sleeve 3, so that the first pipe fitting 12 and the lining sleeve 3 are separated.

In some embodiments, the claw 10 is provided with a limiting groove at one end, and the outer bushing 4 is provided with a limiting boss, and the limiting boss is clamped in the limiting groove.

Through set up corresponding joint structure, especially the cooperation structure of spacing groove and spacing boss on jack catch 10 and outer bush pipe 4 for jack catch 10 one end joint is on outer bush pipe 4, and the other end can free activity, carries out the centre gripping or unclamps to first pipe fitting 12.

In some embodiments, the reset element further comprises an inner top block 9, wherein the inner top block 9 is arranged in the lining cavity, and one end of the inner top block abuts against the spring 5.

Through set up interior kicking block 9 in the inside lining cavity, conveniently insert the first pipe fitting 12 of locating the inside lining cavity and extrude spring 5 through interior kicking block 9.

In some embodiments, the first end is provided with a groove in which the sealing ring 11 is disposed.

To improve the sealing between the lining sleeve 3 and the first pipe element 12, a groove is provided on the first end and a sealing ring 11 is provided in the groove.

In some embodiments, the inner sleeve 3 comprises a second end, which is fixedly connected to the second pipe element 1 via an adapter 2.

For the second end of the lining sleeve 3, the clamping of a claw 10 type can be adopted, the threaded connection can also be adopted, and the connection of the lining sleeve 3 and the second pipe fitting 1 can be realized.

The lining sleeve 3 and the second pipe fitting 1 can be connected in other connecting modes such as welding, bonding and the like.

This application is through the removal of the rotatory swivel nut 6 of control and lock swivel nut 7 and then make the removal of adjusting the lantern ring 8, adjusts opening and shutting that the lantern ring 8 drove 10 apertures: two swivel nuts remove, drive and adjust the lantern ring 8 and remove, adjust the lantern ring 8 and extrude to jack catch 10, jack catch 10 gathers together each other to by adjusting lantern ring 8 parcel, jack catch 10 internal diameter reduces, until the jack catch 10 who gathers together extrudes the outer wall at first pipe fitting 12 completely, and inside relies on spacing sealed on inside lining sleeve 3 simultaneously, thereby the quick reliable hookup of pipe-line system is realized to outer clamp internal stay.

By adopting the connecting component, a pipeline system for quickly connecting two pipe fittings can be realized, and the connecting component is not only suitable for refrigerant pipelines of air conditioners, but also suitable for pipelines for gas, liquid, gas-solid mixing, gas-liquid mixing, liquid-solid mixing and the like; the method is suitable for low-pressure systems, and is also suitable for medium-pressure, high-pressure, ultrahigh-pressure and negative-pressure systems.

The pipeline system shown in fig. 1 and 2 includes a second pipe fitting 1, an adapter 2, an inner bushing pipe 3, an outer bushing pipe 4, a spring 5, a rotary threaded sleeve 6, a fastening threaded sleeve 7, an adjusting collar 8, an inner top block 9, a jaw 10, a sealing ring 11, and a first pipe fitting 12. The second pipe fitting 1 and the adapter 2 are fixedly connected with the rear end of the inner bushing pipe 3 through threads.

The front end of the lining sleeve 3 is provided with a plurality of sealing grooves for loading the sealing rings 11, and the inner wall of the first pipe fitting 12 and the inner sealing ring 11 thereof are mutually extruded and in interference fit to form a radial sealing structure in order to facilitate clamping of a flared pipeline. The neck of the lining sleeve 3 adopts a guide inclined plane design, so that the opening part of the first pipe fitting 12 can conveniently enter. An inner top block 9 is nested on the outer peripheral surface of the middle part of the inner bushing 3, and a threaded connecting part is arranged on the left side of the inner bushing 3 and is connected with the adapter 2 through threads; the spring 5 is placed between the annular end face of the inner bushing 3 and the annular groove of the inner top block 9, the left side of the spring 5 is abutted against the annular end face of the inner bushing 3, and the right side of the spring is abutted against the inner side end face of the annular groove of the inner top block 9.

The front end of the outer bushing 4 is provided with a jaw 10 movable groove, which is convenient for the opening and closing action of the jaw 10 during assembly and disassembly; the outer sleeve 4 is screwed to the inner sleeve 3.

The clamping jaws 10 are arranged in a split type, movable grooves of the clamping jaws 10 are uniformly distributed along the axis direction of the outer lining pipe 4, the number of the movable grooves of the clamping jaws 10 is N, N is more than or equal to 3, the inner surface of each movable groove is an arc surface, the clamping jaws 10 are installed in the movable grooves at the front end of the outer lining pipe 4, and the clamping jaws 10 are main closed and opened switch positions of the first pipe fitting 12;

the adjusting lantern ring 8 is provided with a limiting step, the step is limited in the annular cavity after the rotary threaded sleeve 6 and the buckling threaded sleeve 7 are connected in the left and right direction, the rotary threaded sleeve 6 and the buckling threaded sleeve 7 move forward and backward in a push-pull adjusting lantern ring 8, the inner diameter of the whole clamping jaws 10 is changed by controlling the assembling gaps between the clamping jaws 10, and the whole outward opening or inward closing is realized.

The adjusting lantern ring 8 is limited in the axial direction through the buckling threaded sleeve 7, and the adjusting lantern ring 8 is prevented from moving in the axial direction; the buckling threaded sleeve 7 is tightly connected with the rotating threaded sleeve 6 through threads; the rotary threaded sleeve 6 and the outer bushing pipe 4 adopt a threaded screw design, and the adjustment of the rotary threaded sleeve 6 and the buckling threaded sleeve 7 along the axial direction is realized by controlling the position where the rotary threaded sleeve 6 is screwed in the thread of the outer bushing pipe 4;

after the first pipe fitting 12 is inserted into the lining sleeve 3, the first pipe fitting 12 overcomes the restoring force of the spring 5 and extrudes the inner jacking block 9 inwards until the neck guide inclined plane of the lining sleeve 3 props against the inner wall of the flared pipe fitting, and meanwhile, the straight pipe section and the sealing ring 11 perform pipe wall radial sealing until the flared end of the first pipe fitting 12 completely enters a lining cavity formed by the outer wall of the lining sleeve 3 and the inner side of the inner jacking block 9, the end part of the clamping jaw 10 contracts, the gap between the inner side cambered surface of the clamping jaw and the pipe wall of the straight pipe of the first pipe fitting 12 is reduced, and the clamping jaw 10 is; the rotary threaded sleeve 6 is further adjusted clockwise to drive the buckling threaded sleeve 7 to move along the axial direction, the buckling threaded sleeve 7 further moves forwards to extrude the clamping jaws 10 to gradually gather along the radial direction until the inner side cambered surfaces of the clamping jaws 10 are completely attached to the outer wall of the external pipe, and the pipeline can be quickly fixed; if a large moment is needed, the moment in the radial direction can be applied to the position of the adjusting hole of the outer bushing to further move, so that the reliable connection and fixation of the pipeline are realized.

Under the condition that the inside of a pipeline system bears pressure, the first pipe fitting 12 limits the inner wall surface neck and the outer wall surface neck of the flared outer pipe in an inner-outer limiting mode through the inner lining sleeve 3 and the outer lining sleeve 4, the outer buckling type rotary threaded sleeve 6 and the outer buckling threaded sleeve 7 limit axial sliding and radial deformation of the adjusting sleeve ring 8, and axial sliding or radial deformation of the outer pipe under the pressure bearing condition can be effectively guaranteed.

When the external pipe fitting needs to be disassembled, the rotary screw sleeve 6 is adjusted anticlockwise to drive the buckling screw sleeve 7 to move along the axial direction, the buckling screw sleeve 7 further moves forwards to extrude the clamping jaw 10 to disperse along the radial direction gradually until the inner surface of the clamping jaw 10 is completely separated from the outer wall of the external pipe fitting, the first pipe fitting 12 is ejected outwards by the acting force of the spring 5 to the inner ejector block 9, at the moment, the neck guide inclined plane of the inner lining sleeve 3 abuts against the inner wall of the first pipe fitting 12, the first pipe fitting 12 is pushed out along the axial direction until the flaring of the first pipe fitting 12 is completely separated from the lining cavity.

The arrangement of the above components can also be partially adjusted, such as: the number of the grooves of the lining sleeve 3 can be one or more; the inner bushing 3, the outer bushing 4, the top block, the rotary threaded sleeve 6, the buckling threaded sleeve 7 and the adjusting lantern ring 8 can be cylindrical or polygonal, such as quadrilateral or hexagonal outside; the sliding adjustment of the inner sleeve 3 and the outer sleeve 4 can be a threaded screw or a slide way.

It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. A connection assembly for connecting a first pipe element (12) and a second pipe element (1), characterized in that it comprises:

the lining sleeve (3) comprises a first end, and the first pipe fitting (12) is sleeved on the first end;

the clamping jaw (10) is movably arranged on the lining sleeve (3); the jaw (10) and the inner lining sleeve (3) clamp or unclamp the first pipe (12).

2. A connection assembly according to claim 1, characterized in that the jaw (10) piece comprises a jaw (10) and an adjustment collar (8), the jaw (10) being provided in a plurality, evenly distributed over the outer circumference of the lining sleeve (3); one end of each clamping jaw (10) is clamped with the lining sleeve (3); the adjusting lantern ring (8) is arranged on the periphery of the clamping jaw (10) and is movably abutted against the clamping jaw (10) along the axial direction of the lining sleeve (3).

3. The connection assembly according to claim 2, wherein the jaw (10) further comprises a driving member, the driving member comprises a rotary threaded sleeve (6) and a fastening threaded sleeve (7), the rotary threaded sleeve (6) is in threaded connection with the lining sleeve (3), and the fastening threaded sleeve (7) is arranged on the rotary threaded sleeve (6); one end of the adjusting lantern ring (8) is clamped between the buckling threaded sleeve (7) and the rotating threaded sleeve (6), and the other end of the adjusting lantern ring is abutted to the clamping jaw (10).

4. A connecting assembly according to claim 3, characterized in that one end of the fastening screw sleeve (7) extends out of the rotating screw sleeve (6) and is provided with a protrusion extending towards the adjusting collar (8), and the protrusion and the end surface of the rotating screw sleeve (6) form a groove; one end of the adjusting lantern ring (8) is provided with a first flange clamped with the groove, and the other end of the adjusting lantern ring is provided with a second flange abutted against the clamping jaw (10).

5. A connecting assembly according to claim 3 or 4, characterized in that it further comprises a return element comprising an outer sleeve (4) and a spring (5), the outer sleeve (4) being arranged outside the inner sleeve (3) with a lining chamber formed therebetween, the spring (5) being arranged inside the lining chamber; one end of the clamping jaw (10) is clamped on the outer lining sleeve (4).

6. The connecting assembly according to claim 5, characterized in that the claw (10) is provided with a limiting groove at one end, and the outer bushing (4) is provided with a limiting boss, and the limiting boss is clamped in the limiting groove.

7. A connecting assembly according to claim 5, characterized in that the return element further comprises an internal top piece (9), the internal top piece (9) being arranged in the lining cavity with one end abutting against the spring (5).

8. A connecting assembly according to claim 1, characterized in that the first end is provided with a groove in which a sealing ring (11) is arranged.

9. A connection assembly according to claim 1 or 8, characterised in that the lining sleeve (3) comprises a second end, which is fixedly connected to the second tube (1) via an adapter (2).

10. A pipe system comprising a connection assembly according to any one of claims 1-9.

11. An air conditioning system comprising a connection assembly according to any of claims 1-9 or a conduit system according to claim 10.