CN110513923A - A kind of connecting pipe structure and air conditioner - Google Patents
A kind of connecting pipe structure and air conditioner Download PDFInfo
- Publication number
- CN110513923A CN110513923A CN201910860968.4A CN201910860968A CN110513923A CN 110513923 A CN110513923 A CN 110513923A CN 201910860968 A CN201910860968 A CN 201910860968A CN 110513923 A CN110513923 A CN 110513923A
- Authority
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- China
- Prior art keywords
- caliber
- connecting pipe
- capillary
- pipe structure
- necking
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000010036 direct spinning Methods 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004378 air conditioning Methods 0.000 description 3
- 238000001354 calcination Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000003796 beauty Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/37—Capillary tubes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/40—Fluid line arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
The present invention provides a kind of connecting pipe structure and air conditioners, connecting pipe structure is configured to one end necking, shrinking structure after the other end first expands, to be directed to condenser outlet tube when technical conditions can not be by extremely cooperating with capillary with condenser with the outlet tube necking of caliber, by selecting intermediate caliber pipeline to realize cooperation, intermediate duct one end is first flared to condenser pipe diameter size, then necking and condenser and is cooperated；The direct spinning necking of the other end and capillary cooperate.I.e. outlet tube reduces caliber, is cooperated by first expanding retraction mode and condenser, at the same solve Large Diameter Pipeline pipe can not necking extremely with capillary matching problem.
Description
Technical field
The present invention relates to a kind of air conditioner connecting pipes, and in particular to a kind of condenser connecting pipe structure and air conditioner.
Background technique
For air-conditioning products, the effects of in order to generate reducing pressure by regulating flow, condenser and compressor chamber have throttling set, generally
It is made of outlet tube and capillary and other pipelines, to guarantee air-tightness, the interface between pipeline all uses welded seal to connect
It connects.Pick out the pipeline that liquid pipe connects capillary again for condenser, existing normal device can not by outlet tube necking to and capillary
Cooperation, this brings problem to design and processing.
In response to this problem, air-conditioning producer between outlet tube and capillary generally by increasing capillary adapter tube, but this
Method increases material, increases extra scalable mouth process etc., and increase a solder joint, improves what air-conditioning system leakage was blocked up
Possibility, actual effect are unsatisfactory.
Summary of the invention
For solve the problems, such as it is above-mentioned at least one, a kind of connecting pipe structure and air conditioner provided by the invention.
A kind of connecting pipe structure provided by the invention, including the first pipe portion, the second pipe portion, first pipe portion pass through bend pipe
Portion is connect with the second pipe portion, and first pipe portion has first end, and second pipe portion has the second end, first pipe
Portion is directly connect with the outlet tube of condenser by first end, and second pipe portion is directly connected with capillary by the second end
It connects, wherein first pipe portion, the second pipe portion and bent portion are an integral molding structure.To by changing copper pipe caliber and adding
Work mode is integrally formed so that outlet tube is taken over corresponding capillary, is realized and is proposed effect, upgrading, drop originally.Reduce an object
Material, a solder joint, improve efficiency, reduce quality risk.
Further, first end Working fluid flow direction along the connecting pipe structure successively includes the first stretching
Portion, the first flaring portion, the first protruding portion and the first tapered portion.
Further, the second end Working fluid flow direction along the connecting pipe structure successively includes second tapered
Portion and the second extension.
Further, the first extension outer tube diameter is consistent with caliber in the outlet tube, outside first protruding portion
Caliber is consistent with caliber in the outlet tube horn mouth of the outlet tube.To when first end and condenser outlet tube horn mouth
When connection, the first extension is inserted into inside condenser outlet tube, and the first flaring portion and the first protruding portion are made a slip of the tongue with outlet tube loudspeaker
It is full of cooperation, wherein the first flaring portion is conducive to protruding into and wedge-shaped clamping, the first tapered portion and outlet tube horn mouth for the first protruding portion
Edge forms welding space, welds on the one hand be conducive to the first tapered portion with outlet tube flared rim, on the other hand avoids
Welding injures the first pipe portion tube wall, to avoid sweating heat while ensure that welding operation ease, welding airtightness and answer
Damage of the power to the first pipe portion tube wall has ensured pipe fitting safety and beauty.
Further, caliber is consistent with the extracapillary caliber in second tapered portion.
Further, first pipe portion, the second pipe portion and bent portion have consistent caliber D, and the caliber D meets
Following formula:
Wherein, δnFor the wall thickness after the second end necking, δn-1For the wall thickness before the second end necking, DIt is interiorFor
Second extension internal diameter of the second end.
Further, the caliber D also meets following formula:
Wherein, ζ is limit flaring rate, DExpandFor the first protruding portion caliber of the first end.
Further, the wall thickness δ after the second end neckingnNo more than 1.05mm, the limit flaring rate ζ is not more than
30%.
Preferably, the wall thickness δ before the second end neckingn-1Greater than 0.5mm and it is less than 0.9mm, second extension
Internal diameter DIt is interiorGreater than 2.4mm and it is less than 2.8mm, the first protruding portion caliber DExpandGreater than 9.4mm and it is less than 9.6mm.It is thus possible to
The problems such as serious calcination when pipeline being avoided to weld, part cracking, nozzle distortion, finished product rate is greatly improved, is ensured
Product quality.
The present invention also provides a kind of air conditioner, including condenser and capillary, the condenser passes through above-mentioned connecting tube knot
Structure is connect with capillary.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Structure depicted in this specification, ratio, size etc., only to cooperate the revealed content of specification, for
Those skilled in the art understands and reads, and is not intended to limit the invention enforceable qualifications, therefore does not have technical
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are not influencing the function of the invention that can be generated
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents obtain and can cover.
Fig. 1 is a kind of 100 structural schematic diagram of connecting pipe structure of the present invention；
Fig. 2 is a kind of 111 part A view structure schematic diagram of first end of connecting pipe structure 100 of the present invention；
Fig. 3 is 200 structural schematic diagram of capillary of the present invention；
Fig. 4 is 500 520 structural schematic diagram of local outlet tube of condenser of the present invention.
Description of symbols:
100- connecting pipe structure, the first pipe portion of 110-, 111- first end, the first extension of 112-, the first flaring of 113-
Portion, the first protruding portion of 114-, the first tapered portion of 115-, the second pipe portion of 120-, 121- the second end, the second extension of 122-,
The second tapered portion of 123-, 130- bent portion, 200- capillary, 201- capillary interface, 202- capillary extension, 203- capillary
Pipe protruding portion, 204- capillary pipe portion, 500- condenser, 510- heat exchanger fin, 520- outlet tube, 521- outlet tube horn mouth.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.
As shown in Figure 1, a kind of connecting pipe structure 100 provided by the invention, 100 one end of connecting pipe structure and condenser 500
The outlet tube horn mouth 521 of 520 end of outlet tube be directly connected to, the capillary of connecting pipe structure 100 other end and capillary 200
Interface tube 201 is directly connected to, and working medium is reserved from condenser 500, flows through connecting pipe structure 100, flows into capillary 200.Connecting tube
Structure 100 successively has integrally formed first pipe portion 110, bent portion 130 and the second pipe portion 120 along Working fluid flow direction,
In, 110 end of the first pipe portion has first end 111, and first end 111 successively has integrally formed along Working fluid flow direction
First extension 112, the first flaring portion 113, the first protruding portion 114 and the first tapered portion 115, the end tool of the second pipe portion 120
There is the second end 121, the second end 121 successively has integrally formed second tapered portion 123 and second along Working fluid flow direction
The end of extension 122, the first extension 112 and the second extension 122 has the nozzle flowed in and out for working medium.
Wherein, first end 111 as shown in Fig. 2, 520 structure of outlet tube as shown in figure 4, when assembly connection, first end
111 the first extension 112 is inserted into inside outlet tube 520 by outlet tube horn mouth 521, the first flaring portion 113 and liquid out
The necking down of pipe horn mouth 521 offsets, and so as to wedge lock, the first protruding portion 114 is inserted into outlet tube horn mouth 521, In
The interference fit with 521 inner wall of outlet tube horn mouth is formed with the help of first flaring portion 113.When first end 111 is completed to insert
After entering outlet tube 520, the first tapered portion 115 forms welding space with 521 edge of outlet tube horn mouth, and welding space makes connecting tube
Welded seam area between 520 end of structure 100 and outlet tube is lifted away from 110 outer tube wall of the first pipe portion, has given certain welding behaviour
Make space, and avoid damage of the welded stress to 110 outer tube wall of the first pipe portion, and the first tapered portion 115 and outlet tube loudspeaker
The welding space that 521 edges of mouth are formed is triangle, is deeply welded conducive to welding rod, to be conducive to promote welding quality, it is ensured that gas
Close property and yields, and the weld seam appearance formed is not smooth lofty, finished product rate is high and beautiful.
And the capillary 200 of 100 other end of connecting pipe structure connection is as shown in figure 3, capillary 200 has capillary interface
201, capillary extension 202, capillary protruding portion 203 and capillary pipe portion 204.Capillary 200 and connecting pipe structure 100 connect
When connecing, capillary extension 202 is inserted into inside the second extension 122,122 end of capillary protruding portion 203 and the second extension
It offsets, in turn, capillary protruding portion 203 and the 122 end place of offseting of the second extension is welded and fixed, to complete capillary
200 with the connection of outlet tube 520.
Specifically, an embodiment of the invention is, 520 caliber of outlet tube is Φ 9.52, and 200 caliber of capillary is Φ
2.6, consider that existing normal device can not cooperate 500 necking of outlet tube of Φ 9.52*0.7 to interior Φ 2.6 with capillary 200,
And in order to save the capillary of an increased Φ 6*0.6 caliber between outlet tube 520 and capillary 200 adapter tube, setting connection
100 caliber of pipe structure is that the pipeline of D is directly connected to outlet tube 520 and capillary 200.
First pipe portion, the second pipe portion and bent portion have consistent caliber D, and the caliber D meets following formula:
Wherein, δnFor the wall thickness after the second end necking, δn-1For the wall thickness before the second end necking, DIt is interiorFor
Second extension internal diameter of the second end.
Further, the caliber D also meets following formula:
Wherein, ζ is limit flaring rate, DExpandFor the first protruding portion caliber of the first end.
Further, the wall thickness δ after the second end neckingnNo more than 1.05mm, the limit flaring rate ζ is not more than
30%.
Preferably, the wall thickness δ before the second end neckingn-1Greater than 0.5mm and it is less than 0.9mm, second extension
Internal diameter DIt is interiorGreater than 2.4mm and it is less than 2.8mm, the first protruding portion caliber DExpandGreater than 9.4mm and it is less than 9.6mm.It is thus possible to
The problems such as serious calcination when pipeline being avoided to weld, part cracking, nozzle distortion, finished product rate is greatly improved, is ensured
Product quality.
Specifically, the material of connecting pipe structure 100 of the present invention is red copper, red copper elongation at break is 42%~55%,
10mm or less flaring rate requires≤40%, and 10mm or more flaring rate requires≤30%；For convenience of capillary weld, welded with it
Pipeline wall thickness generally requires wall thickness δn≤1.05mm；
For the second extension 122,122 internal diameter of the second extension is 2.6mm；Consider pipeline intensity, outlet tube wall thickness
0.7mm, it is 2.6mm that Large Diameter Pipeline pipeline, which directly revolves contracting internal diameter,
Consider that practical scalable mouth measurement obtains 10mm or less caliber, when the scalable mouth of the freedom of spindle-less, scalable mouth front and rear wall
The ratio between thickness is presented below as relationship:
Wherein: δn-1=0.7mm, DnFor 122 pipeline diameter of the second extension, Dn=2.6+2 δn
Then D≤8.76mm,
For first end 111,114 outer diameter of the first protruding portion is 9.52mm, and 114 length of the first protruding portion is 21mm, the
One extension, 112 outer diameter is 8.9mm；Due to being flared for cold working is long, and secondary necking is needed, therefore takes adjacent plus tight flaring
Rate takes first time limit flaring rate ζ≤30%, defines by flaring rate
Then
Then
D≥7.32mm
It is preferred that caliber D is selected to be greater than the copper pipe that 7.32mm is less than between 8.76mm.
The choice of diameter specific embodiment compares as follows.
To consider to reduce solder joint, with the direct necking of Φ 9.52*0.7 caliber to interior 2.6mm, using current pyrocondensation work
Skill, 1.05~1.35mm of wall thickness after necking, and there are serious burn traces, part is cracked when welding, and due to 2.6 capillary of Φ
Wall thickness only 0.65mm, wall thickness variation is excessive, and when welding is not easy to control, easily burn-through capillary.
In turn, consider to reduce caliber, by current universal air conditioner caliber, select Φ 7*0.6mm caliber to make, as a result, it has been found that necking
Internal diameter 2.6mm no problem, but it is flared outer diameter 9.52mm, then go wrong when necking outer diameter 8.9mm, Φ 7mm caliber expands 21mm long
Will cause nozzle distortion when necking, beat and lack, bulge, cracking, then necking it is outer 8.9 when, presentation torsional deformation substantially.
The connecting pipe structure 100 for verifying Φ 7.94*0.7mm, in the second extension of connecting pipe structure 122 of D=7.94mm
Diameter is 2.6mm, and using pyrocondensation technique, necking 0.90~0.95mm of wall thickness meets and the requirement of 2.6mm capillary weld, practical weldering
Connect no problem；The connecting pipe structure 100 of Φ 7.94*0.7mm expands outer diameter 9.52mm no problem, then contracting outer diameter 8.9mm, exists
Slight bulge, after adjusting distributive value and clamp distance, product inspection no problem.
To which each embodiment comparison result is as follows:
It is thus preferable to which Φ 9.52*0.7 caliber outlet tube to be changed to the connecting pipe structure 100 of Φ 7.94*0.7；Use Φ
It is Φ 9.52, then necking to Φ 8.9 that 7.94 connecting pipe structure, 100 one end, which is expanded,；The other end directlys adopt spinning necking mode necking
To interior Φ 2.6 to realize that pipeline is integrally formed.
It is thus possible to which the problems such as serious calcination, part when pipeline being avoided to weld are cracked, nozzle distortion, greatlys improve
Finished product rate, has ensured product quality.
The present invention also provides a kind of air conditioner, including condenser and capillary, the condenser passes through above-mentioned connecting tube knot
Structure is connect with capillary.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of connecting pipe structure (100), including the first pipe portion (110), the second pipe portion (120), first pipe portion (110) is logical
Bent portion (130) to be crossed to connect with the second pipe portion (120), first pipe portion (110) has first end (111), and described second
Pipe portion (120) has the second end (121), which is characterized in that first pipe portion (110) is direct by first end (111)
Connect with the outlet tube (520) of condenser (500), second pipe portion (120) by the second end (121) directly and capillary
(200) it connects, wherein first pipe portion (110), the second pipe portion (120) and bent portion (130) are an integral molding structure.
2. connecting pipe structure (100) according to claim 1, which is characterized in that the first end (111) is along the company
Working fluid flow direction successively includes the first extension (112), the first flaring portion (113), the first protruding portion in joint pipe structure
(114) and the first tapered portion (115).
3. connecting pipe structure (100) according to claim 1, which is characterized in that the second end (121) is along the company
Working fluid flow direction successively includes the second tapered portion (123) and the second extension (122) in joint pipe structure.
4. connecting pipe structure (100) according to claim 2, which is characterized in that the first extension (112) outer tube diameter
It is consistent with the outlet tube (520) interior caliber, the liquid out of the first protruding portion (114) outer tube diameter and the outlet tube (520)
Pipe horn mouth (521) interior caliber is consistent.
5. connecting pipe structure (100) according to claim 3, which is characterized in that the interior caliber of second tapered portion (123)
It is consistent with the capillary (200) outer tube diameter.
6. connecting pipe structure (100) according to claim 1-5, which is characterized in that first pipe portion
(110), the second pipe portion (120) and bent portion (130) have consistent caliber D, and the caliber D meets following formula:
Wherein, δnFor the wall thickness after the second end (121) necking, δn-1For the wall thickness before the second end (121) necking,
DIt is interiorFor the second extension (122) internal diameter of the second end (121).
7. connecting pipe structure (100) according to claim 6, which is characterized in that the caliber D also meets following formula:
Wherein, ζ is limit flaring rate, DExpandFor the first protruding portion (114) caliber of the first end (111).
8. connecting pipe structure (100) according to claim 7, which is characterized in that after the second end (121) necking
Wall thickness δnNo more than 1.05mm, the limit flaring rate ζ is not more than 30%.
9. connecting pipe structure (100) according to claim 8, which is characterized in that before the second end (121) necking
Wall thickness δn-1Greater than 0.5mm and it is less than 0.9mm, the second extension (122) internal diameter DIt is interiorGreater than 2.4mm and it is less than 2.8mm, institute
State the first protruding portion (114) caliber DExpandGreater than 9.4mm and it is less than 9.6mm.
10. a kind of air conditioner, including condenser (500) and capillary (200), which is characterized in that the condenser (500) passes through
As connecting pipe structure according to any one of claims 1 to 9 (100) are connect with capillary (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860968.4A CN110513923A (en) | 2019-09-11 | 2019-09-11 | A kind of connecting pipe structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910860968.4A CN110513923A (en) | 2019-09-11 | 2019-09-11 | A kind of connecting pipe structure and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110513923A true CN110513923A (en) | 2019-11-29 |
Family
ID=68632078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910860968.4A Pending CN110513923A (en) | 2019-09-11 | 2019-09-11 | A kind of connecting pipe structure and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110513923A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980055032U (en) * | 1996-12-31 | 1998-10-07 | 김광호 | Air conditioning equipment with evaporator inlet pipe |
| CN2597910Y (en) * | 2003-02-24 | 2004-01-07 | 苏锐球 | Small noise energy-saving refrigerating system |
| KR20050111276A (en) * | 2004-05-21 | 2005-11-24 | 엘지전자 주식회사 | Connection pipe for multi-air conditioner and pipe connection method thereof |
| CN201589471U (en) * | 2009-12-30 | 2010-09-22 | 宁波奥克斯空调有限公司 | Air conditioner condenser output pipe |
| KR20130012809A (en) * | 2011-07-26 | 2013-02-05 | 희성정밀 주식회사 | A heat exchanger assembly and manufacturing method the same |
| CN203848461U (en) * | 2014-05-27 | 2014-09-24 | 珠海格力电器股份有限公司 | Pipeline connecting structure |
| CN106288527A (en) * | 2016-09-24 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of air-conditioning heat exchanger assembly and assembly method thereof |
| CN210861838U (en) * | 2019-09-11 | 2020-06-26 | 宁波奥克斯电气股份有限公司 | Connecting pipe structure and air conditioner |
-
2019
- 2019-09-11 CN CN201910860968.4A patent/CN110513923A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980055032U (en) * | 1996-12-31 | 1998-10-07 | 김광호 | Air conditioning equipment with evaporator inlet pipe |
| CN2597910Y (en) * | 2003-02-24 | 2004-01-07 | 苏锐球 | Small noise energy-saving refrigerating system |
| KR20050111276A (en) * | 2004-05-21 | 2005-11-24 | 엘지전자 주식회사 | Connection pipe for multi-air conditioner and pipe connection method thereof |
| CN201589471U (en) * | 2009-12-30 | 2010-09-22 | 宁波奥克斯空调有限公司 | Air conditioner condenser output pipe |
| KR20130012809A (en) * | 2011-07-26 | 2013-02-05 | 희성정밀 주식회사 | A heat exchanger assembly and manufacturing method the same |
| CN203848461U (en) * | 2014-05-27 | 2014-09-24 | 珠海格力电器股份有限公司 | Pipeline connecting structure |
| CN106288527A (en) * | 2016-09-24 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of air-conditioning heat exchanger assembly and assembly method thereof |
| CN210861838U (en) * | 2019-09-11 | 2020-06-26 | 宁波奥克斯电气股份有限公司 | Connecting pipe structure and air conditioner |
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