CN103486705B - air conditioner connecting pipe device and air conditioner - Google Patents
air conditioner connecting pipe device and air conditioner Download PDFInfo
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- CN103486705B CN103486705B CN201210191061.1A CN201210191061A CN103486705B CN 103486705 B CN103486705 B CN 103486705B CN 201210191061 A CN201210191061 A CN 201210191061A CN 103486705 B CN103486705 B CN 103486705B
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- union nut
- stiff end
- pipe joint
- air conditioner
- sealing device
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- 238000007789 sealing Methods 0.000 claims abstract description 79
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Gasket Seals (AREA)
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Abstract
The invention discloses an air conditioner connecting pipe device and an air conditioner. The device comprises an indoor machine connecting pipe, an outdoor machine connecting pipe, a pipe joint and a pipe joint nut, wherein the pipe joint and the pipe joint nut are arranged between the two connecting pipes to enable the two connecting pipes to be mutually communicated and relatively fixed; also includes a plurality of sealing devices; the connecting pipe end of the pipe joint is fixed with the connecting end of one of the connecting pipes; the connecting pipe end of the connecting pipe nut is sleeved on the periphery of the connecting end of the other connecting pipe; the fixed end of the adapter nut is fixedly sleeved on the periphery of the fixed end of the pipe joint; the sealing devices are respectively arranged at the sleeving position between the connecting pipe end of the connecting pipe nut and the connecting end of the other connecting pipe and the sleeving position between the fixed end of the connecting pipe nut and the fixed end of the pipe joint. The air conditioner connecting pipe device and the air conditioner are simple in structure, convenient to process and easy to install.
Description
Technical field
The present invention relates to the jockey of air-conditioning, especially relate to a kind of connecting pipe device for air-conditioning and use the air-conditioner of described connecting pipe device.
Background technology
Existing air-conditioned indoor set and off-premises station are respectively arranged with the tube connector passed through for refrigerant circulation; Assembling air-conditioning time, need will be arranged at the tube connector UNICOM on off-premises station and indoor set respectively, with form air-conditioning be in using state time, for refrigerant flowing passage; When refrigerant flows between two tube connectors, there is certain pressure in tube connector, therefore, the sealing property of the syndeton between tube connector will affect the refrigeration of air-conditioning;
The jockey of existing tube connector, what have in its syndeton does not have specific Special seal structure, or adopts the hard sealing structure that tube connector and tube connector carry; Air-conditioning, when installing or keep in repair, needs to be linked together by the tube connector being arranged at indoor set and off-premises station or the two separated by connection status; Therefore the jockey between may needing two tube connectors is repeatedly untied or locks; Easily cause the sealing stability of this hard sealing means and Reliability comparotive poor; And then cause refrigerant to let out in the process of circulation.
Further, due to tube connector and jockey part itself or the destruction that may be subject in process of production in various degree, as there is cut, impurity etc. and its sealing property is reduced or lost efficacy, and the coolant leakage caused.Therefore frequency and the cost of after-sale service or maintenance is easily increased.
Summary of the invention
The object of the present invention is to provide and a kind ofly improve the device of adapter sealing effectiveness between the indoor set of air-conditioning and off-premises station and use the air-conditioner of described device, avoid secondary refrigerant leakage, and reduce the cost installed after sale and keep in repair.Above-mentioned purpose of the present invention is achieved through the following technical solutions:
A kind of air conditioner connection pipe device, comprises indoor set tube connector and off-premises station tube connector, and be arranged at described two tube connectors chien shih its be interconnected and relatively-stationary pipe joint and union nut; Also comprise multiple sealing device;
Adapter end and the link of tube connector described in one of them of described pipe joint fix;
The adapter end of described union nut is sleeved on the periphery of the link of tube connector described in another;
The periphery of the stiff end of described pipe joint is fixed in the stiff end socket of described union nut;
Described multiple sealing device is arranged at the suit position between the adapter end of described union nut and the link of another tube connector described respectively, and the socket position between the stiff end of the stiff end of described union nut and described pipe joint.
Preferably, described multiple sealing device is two, is respectively the first sealing device and the second sealing device; Described first sealing device is arranged between the outer wall of the inwall of the adapter end of described union nut and the link of another tube connector described;
Described second sealing device is arranged on the outer wall of the stiff end of described pipe joint, or is arranged between the inwall of stiff end of described union nut and the outer wall of the stiff end of described pipe joint.
Preferably, the stiff end of described union nut is fixed on the periphery of the stiff end of described pipe joint by screw thread socket;
The inwall of the stiff end of described union nut is provided with internal thread, and the outer wall of described pipe joint is provided with the external screw thread matched with the internal thread of described union nut.
Preferably, the outer wall of the port of the stiff end of described pipe joint is cone-shaped;
The inside of described union nut is also provided with tapered section of inwall, described tapered section of inwall away from described union nut stiff end port and be positioned at the inner side of the internal thread of described union nut;
The link port of another tube connector described in socket-connecting with described union nut is outwardly cone-shaped interface; The cone-shaped interface of another tube connector described is anchored between the cone-shaped port outer wall of the stiff end of described pipe joint and tapered section of inwall of described union nut.
Preferably, the inwall of the adapter end of described union nut is provided with seal groove; Described first sealing device is assemblied in described seal groove, and contacts with the link outer wall of another tube connector described.
Preferably, described second sealing device is arranged at the inside of the stiff end of described union nut, near the port of the stiff end of described pipe joint, and between the cone-shaped outer wall and its external screw thread outer wall of described pipe joint.
Preferably, First terrace is provided with between the cone-shaped outer wall of described pipe joint and its external screw thread outer wall;
Inverted second step face is provided with between tapered section of inwall of described union nut and its internal thread inwall; Described second step face and described First terrace relative engagement form the first groove; Described second sealing device is arranged in described first groove.
Preferably, described second sealing device is arranged at the inside of the stiff end of described union nut, and is positioned at the internal thread of the stiff end of described union nut and the externally threaded outside of described pipe joint.
Preferably, the outer wall of described pipe joint is also provided with the second groove, described second groove is positioned at the internal thread of the stiff end of described union nut and the externally threaded outside of described pipe joint, and its notch is towards the inwall of the stiff end port of described union nut;
Described second sealing device is arranged in described second groove, and the inwall of the port of the stiff end of described union nut contacts with the surface of described second sealing device simultaneously.
Preferably, described second sealing device is arranged on the outer wall of described pipe joint, and contacts with it in the outside of the stiff end port of described union nut.
Preferably, the outer wall of described pipe joint is provided with the 3rd step surface, described 3rd step surface is positioned at the outside of the threaded outer wall of described pipe joint; And being positioned at the outside of the stiff end port of described union nut, form the 3rd groove between the described step of the 4th terrace and the end face of the stiff end of described union nut, described second sealing device is positioned at described 3rd groove.
Preferably, described sealing device is O-ring seal.
Preferably, described O-ring seal is ring-shaped rubber sealing ring.
The present invention also comprises following technical scheme:
A kind of air-conditioner, comprise indoor set and off-premises station, also comprise described air conditioner connection pipe device, described air conditioner connection pipe device is arranged between described indoor set and off-premises station.
Beneficial effect of the present invention
Air conditioner connection pipe device structure of the present invention is simple, easy to process, installs easily; Improve sealing effectiveness, increase reliability and the service life of sealing, reduce the cost of after-sale service and maintenance.
Accompanying drawing explanation
Clearly understand for making the object of air conditioner connection pipe device of the present invention and air-conditioner, technical scheme and advantage, below in conjunction with drawings and Examples, the present invention is described in further details, but, should be noted that, specific embodiment described below only for illustration of the present invention, but is not used for limiting scope of the present invention.
Fig. 1 be air conditioner connection pipe device one specific embodiment of the present invention analyse and observe assembling schematic diagram;
Fig. 2 is assembled with the sectional view of the first sealing device for the air conditioner connection pipe device shown in Fig. 1;
Fig. 3 is the sectional view of the first embodiment of the second sealing device in the air conditioner connection pipe device shown in Fig. 1;
Fig. 4 is the sectional view of the second embodiment of the second sealing device in the air conditioner connection pipe device shown in Fig. 1;
Fig. 5 is the sectional view of the third embodiment of the second sealing device in the air conditioner connection pipe device shown in Fig. 1.
Detailed description of the invention
Air conditioner connection pipe device of the present invention adopts multiple-sealed device, especially adopts and has the sealing ring of certain flexibility and elastic force, fits tightly formed sealing surface match with the tapered structure of pipe joint, tube connector and union nut three; Effectively can avoid the coolant leakage that single hard sealing structure easily causes sealing property reduction or lost efficacy and caused.
As depicted in figs. 1 and 2, the air conditioner connection pipe device in the present embodiment, comprises indoor set tube connector 100 and off-premises station tube connector 200, and be arranged at described two tube connectors chien shih its be interconnected and relatively-stationary pipe joint 300 and union nut 400; Described connecting pipe device also comprises multiple sealing device, for preventing coolant leakage, improves the sealing property of described connecting pipe device;
The adapter end 310 of described pipe joint 300 fixes with the link 110 of indoor set tube connector 100, as a kind of embodiment, when actual production, the link 110 by tube connector 100 is fixedly welded in the adapter end 310 of described pipe joint 300, therefore can not there is coolant leakage point herein.
The adapter end 410 of described union nut 400 is sleeved on the periphery of the link 210 of off-premises station tube connector 200; The stiff end 420 of described union nut 400 is fixed by socket the periphery of the stiff end 320 in described pipe joint 300;
Described multiple sealing device is arranged at the suit position between the adapter end 410 of described union nut and the link 210 of off-premises station tube connector respectively, and the socket position between described union nut stiff end 420 and the stiff end 320 of described pipe joint; Described multiple sealing device is assemblied in these two positions above-mentioned.Described union nut can be ensured, flexible connection between off-premises station tube connector and described pipe joint can not cause coolant leakage.
Preferably, the described multiple sealing device in the present embodiment is two, is respectively the first sealing device 510 and the second sealing device 520; Between the inwall that described first sealing device 510 is arranged at described union nut adapter end 410 and the outer wall of off-premises station tube connector link 210;
Described second sealing device 520 is arranged on the outer wall of pipe joint stiff end 320, or is arranged between the inwall of described union nut stiff end 420 and the outer wall of described pipe joint stiff end 320.
Preferably, the described union nut stiff end 420 in the present embodiment is fixed on the periphery of described pipe joint stiff end 320 by screw thread socket;
The inwall of described union nut stiff end 420 is provided with internal thread 401, and the outer wall of described pipe joint 300 is provided with the external screw thread 301 matched with the internal thread 401 of described union nut.
Preferably, the outer wall 302 of the port of the described pipe joint stiff end 320 in the present embodiment is in cone-shaped;
The inside of described union nut 400 is also provided with tapered section of inwall 402, and tapered section of inwall 402 is away from described union nut stiff end 420 port and be positioned at the inner side of the internal thread 401 of described union nut;
The port of the link 210 of the described off-premises station tube connector 200 socket-connected with described union nut 400 is outwardly cone-shaped interface 211; The cone-shaped interface of off-premises station tube connector 200 is anchored between the cone-shaped port outer wall 302 of described pipe joint stiff end and tapered section of inwall 402 of described union nut.The pyramidal structure of the upper design of described union nut, off-premises station tube connector and this three of described pipe joint matches, and can form the hard sealing structure that described jockey carries, when tube connector connects, just avoid the hidden danger of coolant leakage structural design.
Preferably, as shown in Figure 1, the inwall of the described union nut adapter end 410 in the present embodiment is provided with a sealed groove 403; As shown in Figure 2, described first sealing device 510 in the present embodiment is assemblied in described sealed groove 403, simultaneously, described first sealing device 510 contacts with the outer wall of described off-premises station tube connector link 210, ensure that refrigerant can not leak from the gap between connecting wall, ensure that approximate zero is leaked.
Preferably, as shown in figures 1 and 3, the first embodiment of second sealing device 520 described in the present embodiment, described second sealing device 520 is arranged at the inside of described union nut stiff end 420, near the port of described pipe joint stiff end 320, and between the cone-shaped outer wall 302 and its external screw thread outer wall 301 of described pipe joint.
Further, as shown in Figures 2 and 3, First terrace 303 is provided with between the cone-shaped outer wall 302 of the described pipe joint in the present embodiment and its external screw thread outer wall 301;
Inverted second step face 404 is provided with between tapered section of inwall 402 of described union nut and its internal thread inwall 401; Described second step face 404 forms the first groove 601 with described First terrace 303 relative engagement; Described second sealing device 520 is arranged in described first groove 601.
Preferably, as shown in Figure 4, the second embodiment of the second sealing device 520 described in the present embodiment, described second sealing device 520 is arranged at the inside of described union nut stiff end 420, and is positioned at the outside of the internal thread 401 of described union nut stiff end and the external screw thread 301 of described pipe joint.
Further, as shown in Figure 4, in the present embodiment, the outer wall of described pipe joint 300 is offered the second groove 602, second groove 602 is positioned at the outside of the internal thread 401 of described union nut stiff end and the external screw thread 301 of described pipe joint, and its notch is towards the inwall of stiff end 420 port of described union nut; Second sealing device 520 is arranged in the second groove 602, and the inwall of the port of the stiff end 420 of described union nut contacts with the surface of the second sealing device 520 simultaneously.
Preferably, as shown in Figure 5, the third embodiment of the second sealing device 520 described in the present embodiment: the second sealing device 520 is arranged on the outer wall of described pipe joint, and contact with it in the outside of described union nut stiff end 420 port.
Further, as depicted in figs. 1 and 2, the outer wall of described pipe joint 300 is provided with the 3rd step surface 305, described 3rd step surface 305 is positioned at the outside of the threaded outer wall 301 of described pipe joint; And being positioned at the outside of described union nut stiff end 420 port, form the 3rd groove 603 between the step of described 3rd step surface 305 and the end face of described union nut stiff end 420, described second sealing device 520 is positioned at described 3rd groove 603.
Preferably, the first sealing device 510 described in the present embodiment and the second sealing device 520 are O-ring seal.
Further, described O-ring seal is ring-shaped rubber sealing ring, and rubber seal is with certain elasticity and flexibility, and plasticity is good, be applicable to the sealing gap between the connector fixed two activities, and sealing property can keep long-acting.
Air-conditioner in the present embodiment, comprises indoor set and off-premises station, also comprises above-described air conditioner connection pipe device, and described air conditioner connection pipe device is arranged between described indoor set and off-premises station.
Finally it should be noted that obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (14)
1. an air conditioner connection pipe device, comprises indoor set tube connector and off-premises station tube connector, and be arranged at described two tube connectors chien shih its be interconnected and relatively-stationary pipe joint and union nut; It is characterized in that: also comprise multiple sealing device;
Adapter end and the link of tube connector described in one of them of described pipe joint fix;
The adapter end of described union nut is sleeved on the periphery of the link of tube connector described in another;
The periphery of the stiff end of described pipe joint is fixed in the stiff end socket of described union nut;
Described multiple sealing device is arranged at the suit position between the adapter end of described union nut and the link of another tube connector described respectively, and the socket position between the stiff end of the stiff end of described union nut and described pipe joint.
2. air conditioner connection pipe device according to claim 1, is characterized in that:
Described multiple sealing device is two, is respectively the first sealing device and the second sealing device; Described first sealing device is arranged between the outer wall of the inwall of the adapter end of described union nut and the link of another tube connector described;
Described second sealing device is arranged on the outer wall of the stiff end of described pipe joint, or is arranged between the inwall of stiff end of described union nut and the outer wall of the stiff end of described pipe joint.
3. air conditioner connection pipe device according to claim 2, is characterized in that:
The stiff end of described union nut is fixed on the periphery of the stiff end of described pipe joint by screw thread socket;
The inwall of the stiff end of described union nut is provided with internal thread, and the outer wall of described pipe joint is provided with the external screw thread matched with the internal thread of described union nut.
4. air conditioner connection pipe device according to claim 3, is characterized in that:
The outer wall of the port of the stiff end of described pipe joint is cone-shaped;
The inside of described union nut is also provided with tapered section of inwall, described tapered section of inwall away from described union nut stiff end port and be positioned at the inner side of the internal thread of described union nut;
The link port of another tube connector described in socket-connecting with described union nut is outwardly cone-shaped interface; The cone-shaped interface of another tube connector described is anchored between the cone-shaped port outer wall of the stiff end of described pipe joint and tapered section of inwall of described union nut.
5. air conditioner connection pipe device according to claim 4, is characterized in that:
The inwall of the adapter end of described union nut is provided with seal groove; Described first sealing device is assemblied in described seal groove, and contacts with the link outer wall of another tube connector described.
6. air conditioner connection pipe device according to claim 4, is characterized in that:
Described second sealing device is arranged at the inside of the stiff end of described union nut, near the port of the stiff end of described pipe joint, and between the cone-shaped outer wall and its external screw thread outer wall of described pipe joint.
7. air conditioner connection pipe device according to claim 6, is characterized in that:
First terrace is provided with between the cone-shaped outer wall of described pipe joint and its external screw thread outer wall;
Inverted second step face is provided with between tapered section of inwall of described union nut and its internal thread inwall; Described second step face and described First terrace relative engagement form the first groove; Described second sealing device is arranged in described first groove.
8. air conditioner connection pipe device according to claim 4, is characterized in that:
Described second sealing device is arranged at the inside of the stiff end of described union nut, and is positioned at the internal thread of the stiff end of described union nut and the externally threaded outside of described pipe joint.
9. air conditioner connection pipe device according to claim 8, is characterized in that:
The outer wall of described pipe joint is also provided with the second groove, and described second groove is positioned at the internal thread of the stiff end of described union nut and the externally threaded outside of described pipe joint, and its notch is towards the inwall of the stiff end port of described union nut;
Described second sealing device is arranged in described second groove, and the inwall of the port of the stiff end of described union nut contacts with the surface of described second sealing device simultaneously.
10. air conditioner connection pipe device according to claim 4, is characterized in that: described second sealing device is arranged on the outer wall of described pipe joint, and contacts with it in the outside of described union nut stiff end port.
11. air conditioner connection pipe device according to claim 10, is characterized in that:
The outer wall of described pipe joint is provided with the 3rd step surface, described 3rd step surface is positioned at the outside of the threaded outer wall of described pipe joint; And being positioned at the outside of the stiff end port of described union nut, form the 3rd groove between the described step of the 3rd step surface and the end face of the stiff end of described union nut, described second sealing device is positioned at described 3rd groove.
12. air conditioner connection pipe device according to claim 1 to 11 any one, is characterized in that: described sealing device is O-ring seal.
13. air conditioner connection pipe device according to claim 12, is characterized in that: described O-ring seal is ring-shaped rubber sealing ring.
14. 1 kinds of air-conditioners, comprise indoor set and off-premises station, it is characterized in that: also comprise the air conditioner connection pipe device described in claim 1 to 13 any one, and described air conditioner connection pipe device is arranged between described indoor set and off-premises station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210191061.1A CN103486705B (en) | 2012-06-11 | 2012-06-11 | air conditioner connecting pipe device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210191061.1A CN103486705B (en) | 2012-06-11 | 2012-06-11 | air conditioner connecting pipe device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103486705A CN103486705A (en) | 2014-01-01 |
| CN103486705B true CN103486705B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210191061.1A Active CN103486705B (en) | 2012-06-11 | 2012-06-11 | air conditioner connecting pipe device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103486705B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105805832A (en) * | 2016-03-22 | 2016-07-27 | 青岛海信日立空调系统有限公司 | Indoor unit of air conditioner |
| CN108223945A (en) * | 2016-12-09 | 2018-06-29 | 常州腾龙汽车零部件股份有限公司 | A kind of air conditioning hose assembly connects core |
| CN108626519A (en) * | 2018-06-11 | 2018-10-09 | 珠海格力电器股份有限公司 | Vibration reduction structure and air conditioner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6938437B2 (en) * | 2003-06-17 | 2005-09-06 | A-1 Components Corporation | Cylindrical seal for refrigerant tube connector |
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| CN2428669Y (en) * | 2000-07-03 | 2001-05-02 | 新昌县制冷部件厂 | Connection tube for split air-conditioner for room |
| CN2584995Y (en) * | 2002-12-06 | 2003-11-05 | 广东美的集团股份有限公司 | Hose for connecting indoor unit and outdoor unit of air conditioner |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN103486705A (en) | 2014-01-01 |
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