CN202392905U - Air conditioner refrigeration pipe and air conditioner - Google Patents

Air conditioner refrigeration pipe and air conditioner Download PDF

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Publication number
CN202392905U
CN202392905U CN2011204508861U CN201120450886U CN202392905U CN 202392905 U CN202392905 U CN 202392905U CN 2011204508861 U CN2011204508861 U CN 2011204508861U CN 201120450886 U CN201120450886 U CN 201120450886U CN 202392905 U CN202392905 U CN 202392905U
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CN
China
Prior art keywords
pipe
nut
screw thread
air conditioner
joint
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Expired - Lifetime
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CN2011204508861U
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Chinese (zh)
Inventor
冼志健
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TCL Air Conditioner Wuhan Co Ltd
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TCL Air Conditioner Wuhan Co Ltd
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Priority to CN2011204508861U priority Critical patent/CN202392905U/en
Application granted granted Critical
Publication of CN202392905U publication Critical patent/CN202392905U/en
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Abstract

The utility model discloses an air conditioner refrigeration pipe which comprises an aluminum pipe and a copper pipe which are connected with each other, wherein a joint is arranged at one end of the aluminum pipe; the copper pipe is in sleeve joint with a nut; the outer surface of the joint is provided with threads; the inner surface of the nut is provided with threads; the threads on the outer surface of the hexagon joint and the threads on the inner surface of the nut are meshed with each other to fixedly connect the aluminum pipe with the copper pipe; the air conditioner refrigeration pipe also comprises a rubber ring arranged between the joint and the nut; and the inner surface and outer surface of the rubber ring are arranged in a threaded manner. The utility model also provides an air conditioner comprising the air conditioner refrigeration pipe. In the air conditioner refrigeration pipe and air conditioner provided by the utility model, by adopting the copper pipe and the aluminum pipe which are fixedly connected through threads, the service life of the air conditioner refrigeration pipe can be prolonged, and the sealing property of the air conditioner refrigeration pipe is well guaranteed.

Description

Air conditioner refrigerating pipe and air-conditioning
Technical field
The utility model relates to the air conditioner refrigerating field, specially refers to a kind of air conditioner refrigerating pipe and air-conditioning.
Background technology
Along with the modernization of economy, the quality of air conditioner refrigerating tube material and performance have extremely important influence to refrigeration, life-span and the cost that guarantees refrigeration product.Along with the quick raising of national economy, living standard, air-conditioning output rapidly increases, and causes China's copper resource to satisfy not the demand of social development and economic construction far away; Therefore seeking the material Alloy instead of Copper that a kind of performance is close, price is lower, reserves are abundant is the practical problem that current refrigeration industry presses for solution, and China's bauxite resource is abundant, therefore; Begun to adopt a kind of copper aluminium combination refrigeration pipe; Be that the pipeline mid portion adopts aluminum pipe, a bit of copper pipe is convenient to following process in each welding of the two ends of aluminum pipe, adopts the copper aluminum pipe; Can practice thrift a lot of copper products, thereby obtain bigger profit.
At present the welding method that generally adopts of institute is that modes such as soldering of plug-in type resistance or Lip river gram ring are carried out the connection of copper aluminium.But, these methods all can not large-scale application to producing, and leak source appears in this type of welding easily; In addition, because copper and two kinds of metal physics nature differences of aluminium are big, the tube connector major part is outdoor; Soaked by rainwater through regular meeting; Cause two kinds of intermetallics that galvanic effect takes place easily, the time has been grown the soldering opening place and leak source will occur, makes reduce the service life of copper aluminum pipe.
The utility model content
The main purpose of the utility model adopts the copper pipe and the aluminum pipe that are fixedly connected through screw thread for a kind of air conditioner refrigerating pipe and air-conditioning are provided, and can make the longer service life of air conditioner refrigerating pipe, has guaranteed the sealing of air conditioner refrigerating pipe simultaneously better.
The utility model provides a kind of air conditioner refrigerating pipe; Comprise interconnective aluminum pipe and copper pipe; One end of said aluminum pipe is provided with joint, is socketed with nut on the said copper pipe, and the outer surface of said joint is provided with screw thread; The inner surface of said nut is provided with screw thread; Between the screw thread of the screw thread of said hex union outer surface and nut inner surface each other interlock said aluminum pipe is fixedly connected with copper pipe, also comprise the cushion rubber that is arranged between said joint and the nut, the inner surface of said cushion rubber and outer surface are the shape of threads setting.
Preferably, the screw thread interlock mutually on the screw thread of said cushion rubber inner surface and the said joint; The screw thread of said cushion rubber outer surface and the interior screw thread interlock mutually of said nut.
Preferably, the end that said copper pipe is connected with said nut is an openend, and this openend is the enlarging setting, forms flared part, and flared part engages with said nut, through said flared part with fixed by nut.
Preferably, the air conditioner refrigerating pipe also comprises the protective jacket that is coated on said aluminum pipe and copper pipe surface.
Preferably, the outer surface of said aluminum pipe and said joint is covered with the layer of aluminum oxide skin(coating), scribbles one deck electrophoresis layer on the surface of said al oxide layer.
The utility model also provides a kind of air-conditioning; Comprise the air conditioner refrigerating pipe, the air conditioner refrigerating pipe comprises interconnective aluminum pipe and copper pipe, and an end of said aluminum pipe is provided with joint; Be socketed with nut on the said copper pipe; The outer surface of said joint is provided with screw thread, and the inner surface of said nut is provided with screw thread, between the screw thread of the screw thread of said hex union outer surface and nut inner surface each other interlock said aluminum pipe is fixedly connected with copper pipe; Also comprise the cushion rubber that is arranged between said joint and the nut, the inner surface of said cushion rubber and outer surface are the shape of threads setting.
Preferably, the screw thread interlock mutually on the screw thread of said cushion rubber inner surface and the said joint; The screw thread of said cushion rubber outer surface and the interior screw thread interlock mutually of said nut.
Preferably, said air conditioner refrigerating pipe also comprises the protective jacket that is coated on said aluminum pipe and copper pipe surface.
Preferably, the end that said copper pipe is connected with said nut is an openend, and this openend is the enlarging setting, forms flared part, and flared part engages with said nut, through said flared part with fixed by nut.
Preferably, the outer surface of said aluminum pipe and said joint is covered with the layer of aluminum oxide skin(coating), scribbles one deck electrophoresis layer on the surface of said al oxide layer.
The utility model is through as a whole with aluminum pipe and hex union design; The nut that is complementary simultaneously at the internal whorl of openend socket of copper pipe and the surperficial screw thread of hex union; When needs are connected copper pipe with aluminum pipe; Just can nut be connected on the hex union, realize being fixedly connected of copper pipe and aluminum pipe through the mutual interlock between both screw threads.Adopt the method for this connection aluminum pipe and copper pipe, need not to realize the connection between aluminum pipe and the copper pipe, therefore, can make the longer service life of air conditioner refrigerating pipe through welding.And; At aluminum pipe with before copper pipe is connected; Aluminum pipe and hex union are carried out high-temperature oxydation and electroplating processes; Form al oxide layer and electrophoresis layer respectively on its surface, thereby can effectively completely cut off contacting of aluminum pipe and copper pipe, avoided aluminum pipe being produced corrosion because of the galvanic cell reaction takes place between copper pipe and the aluminum pipe.
Description of drawings
Fig. 1 is the structural representation of the utility model air conditioner refrigerating pipe one embodiment;
Fig. 2 is the structural representation of cushion rubber among the utility model air conditioner refrigerating pipe one embodiment;
Fig. 3 is the structural representation of protective jacket among the utility model air conditioner refrigerating pipe one embodiment.
The realization of the utility model purpose, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
See figures.1.and.2, Fig. 1 is the structural representation of the utility model air conditioner refrigerating pipe one embodiment.
In the present embodiment, the air conditioner refrigerating pipe comprises aluminum pipe 10 and copper pipe 20, and aluminum pipe 10 and copper pipe 20 have constituted the pipeline of air conditioner refrigerating pipe jointly for interconnecting.The air conditioner refrigerating pipe also comprises with aluminum pipe 10 and is the joint 30 of global design; And be socketed in the nut 40 on the copper pipe 20; The joint 30 that is adopted can be hex union; It is easy to assembly to adopt hex union to make, and also can adopt the joint of other shapes to be connected with aluminum pipe 10 in other embodiments as required.The inner surface of nut 40 is provided with screw thread; Also be provided with screw thread on the outer surface of joint 30; Two screw threads are complementary, when needs are connected aluminum pipe 10 with copper pipe 20, and just can be through screw thread in the nut 40 and the interlock between the screw thread on the joint 30; Copper pipe 20 is fixedly connected on the joint 30, thus being connected aluminum pipe 10 and copper pipe 20.
In the above-described embodiments, the air conditioner refrigerating pipe also comprises a cushion rubber 50 that is socketed between aluminum pipe 10 and the copper pipe 20, and with reference to Fig. 2, Fig. 2 is the structural representation of cushion rubber among the utility model air conditioner refrigerating pipe one embodiment.Cushion rubber 50 is socketed between joint 30 and the nut 40, roughly is the short tube shape of both ends open, and an end of cushion rubber 50 is provided with outward extending flange, the other end closing in that slightly extends internally.This cushion rubber 50 can adopt corrosion-resistant, resistant to elevated temperatures material to form; Its thickness can be set to 1.5-2mm, and cushion rubber 50 has good pliability, can pack in the nut 40 easily; Even and if the air-conditioning long-time running, cushion rubber 50 is damaged.Simultaneously; The inside and outside surface that this cushion rubber 50 packs into the part in the nut 40 all can be set to shape of threads, like this, when nut 40 with after joint 30 is fixedly connected through the mutual interlock between the screw thread; The screw thread of cushion rubber 50 inner surfaces just can with the screw thread interlock mutually on the joint 30; The screw thread of cushion rubber 50 outer surfaces just can be inner with nut 40 screw thread interlock mutually, make cushion rubber 50 be socketed in the outer surface of joint 30, nut 40 then is socketed in the outer surface of cushion rubber 50.
The utility model embodiment realizes being fixedly connected of aluminum pipe 10 and copper pipe 20 through the mutual interlock between the screw thread of nut 40 and joint 30, and between nut 40 and joint 30, cushion rubber 50 is set, and through cushion rubber 50 nut 40 and joint 30 is separated.Adopt this method, need not just can realize the connection between aluminum pipe 10 and the copper pipe 20, can make the longer service life of air conditioner refrigerating pipe through welding.And; Through cushion rubber 50 being socketed in nut 40 inside; And the inside and outside surface that cushion rubber 50 packs into the part in the nut 40 all is set to shape of threads; Can prevent the mutual interlock between the screw thread in joint 30 lip-deep screw threads and the nut 40 well and damage cushion rubber 50 that simultaneously, this screw-shaped design can make between joint 30 and the nut 40 and can more closely contact; And can play good sealing function to aluminum pipe 10 and being connected of copper pipe 20, and aluminum pipe 10 and copper pipe 20 are isolated each other.
In the above-described embodiments, the end that copper pipe 20 is connected with nut 40 is an openend, can be set to flared type by this openend, promptly forms a flared part 21 at openend.Like this, after nut 40 was socketed on the copper pipe 20, the flared part 21 of copper pipe 20 openends just can fasten with nut 40.When copper pipe 20 was connected with aluminum pipe 10, the extruding force through extruding copper pipe 20 is produced just can make nut 40 more closely engage with the flared part 21 of copper pipe 20, thereby well nut 40 fixed, and it can not come off.And, when copper pipe 20 with after aluminum pipe 10 is connected, the flared part 21 on the copper pipe 20 just can contact with cushion rubber 50, like this, just can realize the isolated each other of copper pipe 20 and aluminum pipe 10 better through cushion rubber 50.
In the above-described embodiments, with before copper pipe 20 is connected, at first to carry out the step of high-temperature oxydation and electroplating processes at aluminum pipe 10 successively to aluminum pipe 10 and joint 30.Through behind the high-temperature oxydation, just can on the surface of aluminum pipe 10 and joint 30, form the layer of aluminum oxide skin(coating); Then electroplating processes is carried out on the surface that is covered with al oxide layer, promptly apply one deck electrophoresis layer.Like this and since the metal activity of copper than aluminium a little less than, therefore, isolated through al oxide layer and electrophoresis layer can stop effectively just that the generation galvanic cell reacts between copper pipe 20 and the aluminum pipe 10, thereby can slow down the corrosion rate to aluminum pipe 10 such as refrigerant, moisture.
At aluminum pipe 10 with before copper pipe 20 is connected; Aluminum pipe 10 and joint 30 are carried out high-temperature oxydation and electroplating processes; Form al oxide layer and electrophoresis layer respectively on its surface; Thereby can effectively completely cut off contacting of aluminum pipe 10 and copper pipe 20, avoid aluminum pipe 10 being produced corrosion because of the galvanic cell reaction takes place between copper pipe 20 and the aluminum pipe 10.
In the above-described embodiments, the air conditioner refrigerating pipe also comprises a protective jacket 60, and with reference to Fig. 3, Fig. 3 is the structural representation of protective jacket among the utility model air conditioner refrigerating pipe one embodiment.This protective jacket 60 is coated on the surface of aluminum pipe 10 and copper pipe 20, and wraps up a week around the interface of aluminum pipe 10 and copper pipe 20, and protective jacket 60 can adopt the organic plastic material of anticorrosion waterproof to be made.On the inner surface of protective jacket 60, can apply one deck super glue, and through this one deck super glue the outer surface of protective jacket 60 and aluminum pipe 10 and copper pipe 20 carried out bondingly, make bonding more firm between protective jacket 60 and aluminum pipe 10 and the copper pipe 20.
Adopt protective jacket 60; Be coated on the surface of aluminum pipe 10 and copper pipe 20; And the interface around aluminum pipe 10 and copper pipe 20 wraps up a week; Can be effectively the interface of aluminum pipe 10 and copper pipe 20 be opened with extraneous moisture is isolated, so just can further be prevented, thereby cause the problem of the interface generation leak source of aluminum pipe 10 and copper pipe 20 because the invasion of extraneous moisture causes the galvanic cell reaction takes place between aluminum pipe 10 and the copper pipe 20 and aluminum pipe 10 is caused corrosion.
The utility model also provides a kind of air-conditioning, comprises the air conditioner refrigerating pipe, and the air conditioner refrigerating pipe comprises aluminum pipe 10 and copper pipe 20, and aluminum pipe 10 and copper pipe 20 have constituted the pipeline of air conditioner refrigerating pipe jointly for interconnecting.The air conditioner refrigerating pipe also comprises with aluminum pipe 10 and is the joint 30 of global design; And be socketed in the nut 40 on the copper pipe 20; The joint 30 that is adopted can be hex union; It is easy to assembly to adopt hex union to make, and also can adopt the joint of other shapes to be connected with aluminum pipe 10 in other embodiments as required.The inner surface of nut 40 is provided with screw thread; Also be provided with screw thread on the outer surface of joint 30; Two screw threads are complementary, when needs are connected aluminum pipe 10 with copper pipe 20, and just can be through screw thread in the nut 40 and the interlock between the screw thread on the joint 30; Copper pipe 20 is fixedly connected on the joint 30, thus being connected aluminum pipe 10 and copper pipe 20.
The air conditioner refrigerating pipe also comprises a cushion rubber 50 that is socketed between aluminum pipe 10 and the copper pipe 20; Cushion rubber 50 is socketed between joint 30 and the nut 40; The short tube shape that roughly is both ends open, an end of cushion rubber 50 is provided with outward extending flange, the other end closing in that slightly extends internally.This cushion rubber 50 can adopt corrosion-resistant, resistant to elevated temperatures material to form; Its thickness can be set to 1.5-2mm, and cushion rubber 50 has good pliability, can pack in the nut 40 easily; Even and if the air-conditioning long-time running, cushion rubber 50 is damaged.Simultaneously; The inside and outside surface that cushion rubber 50 packs into the part in the nut 40 all can be set to shape of threads; Like this; When nut 40 with after joint 30 is fixedly connected through the mutual interlock between the screw thread, the screw thread of cushion rubber 50 inner surfaces just can with the screw thread interlock mutually on the joint 30, the screw thread interlock mutually that the screw thread of cushion rubber 50 outer surfaces just can be inner with nut 40.
Realize being fixedly connected of aluminum pipe 10 and copper pipe 20 through the mutual interlock between the screw thread of nut 40 and joint 30, and between nut 40 and joint 30, cushion rubber 50 is set, nut 40 and joint 30 are separated through cushion rubber 50.Adopt this method, need not just can realize the connection between aluminum pipe 10 and the copper pipe 20, can make the longer service life of air conditioner refrigerating pipe through welding.And; Through cushion rubber 50 being socketed in nut 40 inside; And the inside and outside surface that cushion rubber 50 packs into the part in the nut 40 all is set to shape of threads; Can prevent the mutual interlock between the screw thread in joint 30 lip-deep screw threads and the nut 40 well and damage cushion rubber 50 that simultaneously, this screw-shaped design can make between joint 30 and the nut 40 and can more closely contact; And can play good sealing function to aluminum pipe 10 and being connected of copper pipe 20, and aluminum pipe 10 and copper pipe 20 are isolated each other.
The embodiment of this air-conditioning has comprised whole technical schemes of each embodiment of above-mentioned air conditioner refrigerating tubular construction, and the technique effect that is reached is also identical, repeats no more at this.
The above is merely the preferred embodiment of the utility model; Be not thus the restriction the utility model claim; Every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the utility model.

Claims (10)

1. air conditioner refrigerating pipe; Comprise interconnective aluminum pipe and copper pipe, an end of said aluminum pipe is provided with joint, is socketed with nut on the said copper pipe; The outer surface of said joint is provided with screw thread; The inner surface of said nut is provided with screw thread, between the screw thread of the screw thread of said hex union outer surface and nut inner surface each other interlock said aluminum pipe is fixedly connected with copper pipe, it is characterized in that; Also comprise the cushion rubber that is arranged between said joint and the nut, the inner surface of said cushion rubber and outer surface are the shape of threads setting.
2. air conditioner refrigerating pipe as claimed in claim 1 is characterized in that, the screw thread interlock mutually on the screw thread of said cushion rubber inner surface and the said joint; The screw thread of said cushion rubber outer surface and the interior screw thread interlock mutually of said nut.
3. air conditioner refrigerating pipe as claimed in claim 2 is characterized in that, the end that said copper pipe is connected with said nut is an openend; This openend is the enlarging setting; Form flared part, flared part engages with said nut, through said flared part with fixed by nut.
4. air conditioner refrigerating pipe as claimed in claim 3 is characterized in that, also comprises the protective jacket that is coated on said aluminum pipe and copper pipe surface.
5. like each described air conditioner refrigerating pipe in the claim 1 to 4, it is characterized in that the outer surface of said aluminum pipe and said joint is covered with the layer of aluminum oxide skin(coating), scribble one deck electrophoresis layer on the surface of said al oxide layer.
6. an air-conditioning comprises the air conditioner refrigerating pipe, and the air conditioner refrigerating pipe comprises interconnective aluminum pipe and copper pipe; One end of said aluminum pipe is provided with joint; Be socketed with nut on the said copper pipe, the outer surface of said joint is provided with screw thread, and the inner surface of said nut is provided with screw thread; Between the screw thread of the screw thread of said hex union outer surface and nut inner surface each other interlock said aluminum pipe is fixedly connected with copper pipe; It is characterized in that also comprise the cushion rubber that is arranged between said joint and the nut, the inner surface of said cushion rubber and outer surface are the shape of threads setting.
7. air-conditioning as claimed in claim 6 is characterized in that, the screw thread interlock mutually on the screw thread of said cushion rubber inner surface and the said joint; The screw thread of said cushion rubber outer surface and the interior screw thread interlock mutually of said nut.
8. air-conditioning as claimed in claim 7 is characterized in that, said air conditioner refrigerating pipe also comprises the protective jacket that is coated on said aluminum pipe and copper pipe surface.
9. air-conditioning as claimed in claim 8 is characterized in that, the end that said copper pipe is connected with said nut is an openend, and this openend is the enlarging setting, forms flared part, and flared part engages with said nut, through said flared part with fixed by nut.
10. like each described air-conditioning in the claim 6 to 9, it is characterized in that the outer surface of said aluminum pipe and said joint is covered with the layer of aluminum oxide skin(coating), scribble one deck electrophoresis layer on the surface of said al oxide layer.
CN2011204508861U 2011-11-15 2011-11-15 Air conditioner refrigeration pipe and air conditioner Expired - Lifetime CN202392905U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204508861U CN202392905U (en) 2011-11-15 2011-11-15 Air conditioner refrigeration pipe and air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204508861U CN202392905U (en) 2011-11-15 2011-11-15 Air conditioner refrigeration pipe and air conditioner

Publications (1)

Publication Number Publication Date
CN202392905U true CN202392905U (en) 2012-08-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204508861U Expired - Lifetime CN202392905U (en) 2011-11-15 2011-11-15 Air conditioner refrigeration pipe and air conditioner

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CN (1) CN202392905U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106273305A (en) * 2016-08-08 2017-01-04 李士红 The processing method of air-conditioner pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106273305A (en) * 2016-08-08 2017-01-04 李士红 The processing method of air-conditioner pipe

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Granted publication date: 20120822