CN2888223Y - Connection tube for split type air conditioner - Google Patents

Connection tube for split type air conditioner Download PDF

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Publication number
CN2888223Y
CN2888223Y CN 200620103595 CN200620103595U CN2888223Y CN 2888223 Y CN2888223 Y CN 2888223Y CN 200620103595 CN200620103595 CN 200620103595 CN 200620103595 U CN200620103595 U CN 200620103595U CN 2888223 Y CN2888223 Y CN 2888223Y
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CN
China
Prior art keywords
pipe
stainless steel
air conditioner
copper
pipe body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN 200620103595
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Chinese (zh)
Inventor
周学军
沈渊明
王冠军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING HUACHAO METAL Co Ltd
Original Assignee
Zhejiang DunAn Precision Industries Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang DunAn Precision Industries Group Co Ltd filed Critical Zhejiang DunAn Precision Industries Group Co Ltd
Priority to CN 200620103595 priority Critical patent/CN2888223Y/en
Application granted granted Critical
Publication of CN2888223Y publication Critical patent/CN2888223Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a connecting pipe for split type air conditioner, which can entirely adopt stainless steel connecting pipe or partly adopts stainless steel connecting pipe, comprising a pipe body, two joint nuts and thermal insulation pipe; the thermal insulation pipe is put on the pipe body, two joint nuts are put on both ends of the pipe body separately; as an integration, both ends of the pipe body are straight pipe shape and middle are corrugated shape, the pipe body is made of stainless steel material; or both ends of the pipe body are welded with copper joint, two joint nuts are separately put on two section of copper joints. The utility model adopts stainless steel material with lower cost to replace traditional copper material to produce the connecting pipe for split type air conditioner and changes traditional column pipe body structure into corrugated pipe structure, which causes certain promotion upon strength of products, in particular for the corrugated rolling for product surface which is softer and makes actual installation of the air condition more convenient and decreases lower greatly. The utility model has the function of obviously lowering cost and increasing the efficiency.

Description

The split-type air conditioner connecting tube
[technical field]
The utility model relates to split-type air conditioner, relates in particular to the split-type air conditioner connecting tube.
[background technique]
The connecting tube that connects indoor and outdoor machine on the split-type air conditioner all adopts copper tube at present, and this material can not produce bad reaction with the refrigeration agent-freon of idle call, is to use the most general material at present.And because the distinctive specific elongation of red copper, installing when crooked, tubing can not produce curved flat phenomenon, can guarantee crooked in the using process and be unlikely the refrigeration of the system of influence.But because the climbing up and up of current non-ferrous raw material price, 16000 yuan/ton of the end in April, 2006 54000 yuan/ton from 2003, each air-conditioning producer has obviously felt the pressure of cost.People are badly in need of the material that a kind of performance is suitable, cost is lower and are substituted copper tube processing connecting tube.
Lower-cost stainless steel and freon do not have bad reaction, so can substitute expensive copper metal.The stainless steel price is 20000 yuan/ton in the market.Adopt the wall thickness the same to reach simultaneously with it, just can reduce more than 50% on the cost with the bending properties of effect with copper pipe.But the bending of hard materials such as stainless steel positioning performance is not good, and bending repeatedly easily produces leakage in the back under certain pressure.And connecting tube mainly has been exactly an interconnect function, the outside adopts thermal insulating material to be incubated, what the inside was then logical is refrigeration agent, in the air-conditioning installation process, because the position of indoor and outdoor machine is not often determined, so will the situation when installing connecting tube be carried out certain bending, and still can under certain pressure, can not produce leakage after the bending.
So, how to provide a kind of flexible positioning safe and reliable again, the also very low connecting tube of cost becomes the important topic of split-type air conditioner production and the research of accessory producer simultaneously.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of split-type air conditioner connecting tube, and flexible positioning is safe and reliable again, and cost is lower simultaneously.
For achieving the above object, the utility model proposes a kind of all steel split-type air conditioner connecting tube, comprise body, two union nuts and thermal insulation pipe, described heat-insulating cover is on body, two union nuts are socketed in the two ends of body respectively, and described body is as a whole, and its two ends are straight pipe type, intermediate portion is a bellows, and body adopts stainless steel material.
For achieving the above object, the utility model has also proposed a kind of part stainless steel split-type air conditioner connecting tube, comprise body, two union nuts and thermal insulation pipe, described heat-insulating cover also comprises two sections copper connecting tubes on body, two sections copper connecting tubes are connected to the two ends of body, two union nuts are socketed in respectively on two sections copper connecting tubes, the two ends of described body are straight pipe type, and intermediate portion is a bellows, and body adopts stainless steel material.
As preferably, welding connecting mode is adopted in being connected between copper connecting tube and the body.
The beneficial effects of the utility model: the utility model adopts lower-cost stainless steel material to substitute traditional copper product and produces the split-type air conditioner connecting tube, and traditional right cylinder type pipe structure is improved to bellows structure.Stainless cost of material only is less than for half of copper, also can not produce any bad reaction with freon, and cost can reduce more than 50%; In R 〉=100 o'clock, number of bends still can not leak by withstand voltage 2.5Mpa more than 10 times, and the favorable sealing property of two ends and indoor and outdoor machine; Installation, easy to maintenance, the bending of can transposing arbitrarily; Stainless steel wall ratio copper pipe descends more than 60%, the material quality surpasses the withstand voltage properties of copper pipe and surpasses the performance of the bending of copper pipe, product strength is necessarily promoted, especially the ripple roll extrusion of product surface, make it more soft, make the as installed use of air conditioner convenient, cost then reduces a lot, the utlity model has tangible cost efficiency effect, good market prospects.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the structural representation of prior art connecting tube;
Fig. 2 is the structural representation of the utility model split-type air conditioner with connecting tube embodiment one;
Fig. 3 is the structural representation of the utility model split-type air conditioner with connecting tube embodiment two.
[embodiment]
Embodiment one:
Fig. 1 is the structural representation of prior art connecting tube; Mainly comprise red copper Corrugated connection tabe, red copper connecting tube, thermal insulation pipe, union nut etc., product is taken over part and is all adopted red copper processing, and cost is very high.
Fig. 2 is the structural representation of the utility model split-type air conditioner with connecting tube embodiment one; The connecting tube part all adopts stainless steel material, structural design is done corresponding the improvement, comprise body 1, two union nuts 2 and thermal insulation pipes 3, described thermal insulation pipe 3 is enclosed within on the body 1, two union nuts 2 are socketed in the two ends of body 1 respectively, and described body 1 is as a whole, and its two ends are straight pipe type, intermediate portion is a bellows, and body 1 adopts stainless steel material.After nut is inserted in respectively in body 1 two ends, directly enlarging and air conditioner indoor and outdoor machine connection.Body 1 adopts stainless steel ripple connecting tube to process separately earlier, on the outer cover behind the thermal insulation pipe 2, directly be inserted in union nut 2 respectively, again the two ends enlarging of stainless steel ripple connecting tube handled, be connected to install with the air conditioner indoor and outdoor machine group at the corrugated stainless steel tubing two ends.Adopting stainless steel ripple connecting tube technical problem to be solved mainly is the assurance of sealability of assurance, product itself of bending properties and the assurance that is connected sealability with air conditioner.Stainless intensity is far longer than red copper, so Stainless Steel Tube that under same working condition, uses, wall thickness can be less than copper tube, simultaneously because of behind the stainless steel pipe rolling ripple, its bending properties be improved significantly, product is soft more, can be crooked arbitrarily easily when as installed, so the Stainless Steel Tube corrugated connecting tube can meet usage requirement fully.
Embodiment two:
Fig. 3 is the structural representation of the utility model split-type air conditioner with connecting tube embodiment two.Connecting tube partly adopts stainless steel and copper product to be used in combination, comprise body 1, two union nuts 2 and thermal insulation pipes 3, described thermal insulation pipe 3 is enclosed within on the body 1, also comprise two sections copper connecting tubes 4, two sections copper connecting tubes 4 are connected to the two ends of body 1, and two union nuts 2 are socketed in respectively on two sections copper connecting tubes 4, and the two ends of described body 1 are straight pipe type, intermediate portion is a bellows, and body 1 adopts stainless steel material.Being connected between copper connecting tube 4 and the body 1 adopted welding connecting mode.Weld a copper connecting tube 4 respectively at stainless steel ripple connecting tube two ends, be inserted in enlarging behind the nut, with the air conditioner indoor and outdoor machine connection.Copper connecting tube 4 can adopt red copper or brass material.Body 1 adopts stainless steel ripple connecting tube to process separately earlier, two ends more respectively with two copper connecting tube 4 solder bond, on the outer cover of stainless steel ripple connecting tube behind the thermal insulation pipe 3, on copper connecting tube 4, be inserted in union nut 2 respectively, again copper connecting tube 4 enlargings are handled, be connected to install with the air conditioner indoor and outdoor machine group.Stainless intensity is far longer than red copper, so Stainless Steel Tube that under same working condition, uses, wall thickness can be less than copper tube, simultaneously because of behind the stainless steel pipe rolling ripple, its bending properties be improved significantly, product is soft more, can be crooked arbitrarily easily when as installed, so the Stainless Steel Tube corrugated connecting tube can meet usage requirement fully.
The foregoing description is to further specify of the present utility model, is not to concrete qualification of the present utility model, any structure after the utility model simple transformation is all belonged to protection domain of the present utility model.

Claims (3)

1. all steel split-type air conditioner connecting tube, comprise body (1), two union nuts (2) and thermal insulation pipe (3), described thermal insulation pipe (3) is enclosed within on the body (1), two union nuts (2) are socketed in the two ends of body (1) respectively, it is characterized in that: described body (1) is as a whole, its two ends are straight pipe type, and intermediate portion is a bellows, and body (1) adopts stainless steel material.
2. part stainless steel split-type air conditioner connecting tube, comprise body (1), two union nuts (2) and thermal insulation pipe (3), described thermal insulation pipe (3) is enclosed within on the body (1), it is characterized in that: also comprise two sections copper connecting tubes (4), two sections copper connecting tubes (4) are connected to the two ends of body (1), and two union nuts (2) are socketed in respectively on two sections copper connecting tubes (4), and the two ends of described body (1) are straight pipe type, intermediate portion is a bellows, and body (1) adopts stainless steel material.
3. part stainless steel split-type air conditioner connecting tube as claimed in claim 2 is characterized in that: being connected between copper connecting tube (3) and the body (1) adopted welding connecting mode.
CN 200620103595 2006-05-15 2006-05-15 Connection tube for split type air conditioner Expired - Fee Related CN2888223Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620103595 CN2888223Y (en) 2006-05-15 2006-05-15 Connection tube for split type air conditioner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620103595 CN2888223Y (en) 2006-05-15 2006-05-15 Connection tube for split type air conditioner

Publications (1)

Publication Number Publication Date
CN2888223Y true CN2888223Y (en) 2007-04-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620103595 Expired - Fee Related CN2888223Y (en) 2006-05-15 2006-05-15 Connection tube for split type air conditioner

Country Status (1)

Country Link
CN (1) CN2888223Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848139A (en) * 2012-06-08 2013-01-02 浙江三花制冷集团有限公司 Connection pipe, production method thereof and gas collection tube assembly
CN103084455A (en) * 2013-02-17 2013-05-08 扬中申扬换热设备有限公司 Corrugated pipe one-step molding processing method
CN104089100A (en) * 2014-06-23 2014-10-08 陈卫国 Connecting pipe with bellows section
CN104806833A (en) * 2015-03-03 2015-07-29 南车青岛四方机车车辆股份有限公司 Connection device, traction cooling system and multiple units
CN111331000A (en) * 2018-12-18 2020-06-26 浙江盾安禾田金属有限公司 Manufacturing method of air conditioner connecting pipe and air conditioner connecting pipe

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102848139A (en) * 2012-06-08 2013-01-02 浙江三花制冷集团有限公司 Connection pipe, production method thereof and gas collection tube assembly
CN103084455A (en) * 2013-02-17 2013-05-08 扬中申扬换热设备有限公司 Corrugated pipe one-step molding processing method
CN104089100A (en) * 2014-06-23 2014-10-08 陈卫国 Connecting pipe with bellows section
CN104806833A (en) * 2015-03-03 2015-07-29 南车青岛四方机车车辆股份有限公司 Connection device, traction cooling system and multiple units
CN111331000A (en) * 2018-12-18 2020-06-26 浙江盾安禾田金属有限公司 Manufacturing method of air conditioner connecting pipe and air conditioner connecting pipe

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: DUNAN ARTIFICIAL ENVIRONMENTAL APPARATUS CO., LTD

Free format text: FORMER OWNER: DUNAN PRECISION INDUSTRY GROUP CO., LTD., ZHEJIANG

Effective date: 20080229

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20080229

Address after: Zhuji Industrial Zone, Zhejiang, China: 311835

Patentee after: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd.

Address before: Zhuji Industrial Zone, Zhejiang, China: 311835

Patentee before: Zhejiang Dun'an Precision Industries Group Co., Ltd.

ASS Succession or assignment of patent right

Owner name: CHONGQING HUACHAO METAL CO., LTD.

Free format text: FORMER OWNER: DUNAN ARTIFICIAL ENVIRONMENTAL APPARATUS CO., LTD., ZHEJIANG PROV.

Effective date: 20090522

C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20090522

Address after: Chongqing City, Kowloon Park, zip code: 400039

Patentee after: CHONGQING HUACHAO METAL CO., LTD.

Address before: Zhuji Industrial Zone, Zhejiang, China: 311835

Patentee before: Zhejiang Dun'an Artificial Environment Equipment Co., Ltd.

C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20070411

Termination date: 20130515