CN209800893U - R744 automobile-used air conditioner hose assembly structure - Google Patents
R744 automobile-used air conditioner hose assembly structure Download PDFInfo
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- CN209800893U CN209800893U CN201920006299.XU CN201920006299U CN209800893U CN 209800893 U CN209800893 U CN 209800893U CN 201920006299 U CN201920006299 U CN 201920006299U CN 209800893 U CN209800893 U CN 209800893U
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Abstract
The utility model discloses a R744 automobile-used air conditioner hose assembly structure, it includes metal joint aluminum pipe, aluminium lining core, stainless steel takeover, sealed pad, aluminium cover, stainless steel metal collapsible tube and rubber hose, the one end and the metal joint aluminum pipe fixed connection of aluminium lining core, the outside cover of other end are equipped with the aluminium cover, and the inside interlude of this end have the stainless steel takeover is equipped with on the stainless steel takeover the cover sealed pad, and the outside tip that the stainless steel was taken over with stainless steel metal collapsible tube fixed connection, stainless steel metal collapsible tube's surface is equipped with rubber hose, rubber hose's one end stretches into clearance between aluminium lining core and the aluminium cover to it is fixed with the three through withholding the aluminium cover. The utility model discloses can effectively improve high temperature resistant highly compressed performance to and avoid the infiltration of R744 molecule, can satisfy R744 vehicle air conditioning system's operation requirement.
Description
Technical Field
The utility model relates to a R744 vehicle air conditioning system specifically is the automobile-used air conditioner hose assembly structure of R744 in the air conditioning system.
Background
In the automobile air-conditioning industry, with the increasing requirements on environmental protection, the requirements on the ODP (ozone layer destruction potential) and GWP (greenhouse effect potential) coefficients of the refrigerant are lower and lower. The use of new refrigerants has been a necessary trend in industry development. From 1/1 in 2017, all eu new registration vehicles must use refrigerants with GWP values below 150. GWP value is a (relative) measure of how well a substance affects global warming. Apart from chemical means, natural R744 (carbon dioxide) with a GWP of 1 is the best choice for refrigerants other than traditional refrigerants. The R744 working medium has extremely high technical requirements on parts and even the whole system: the working pressure in the system is increased by 3-4 times, the working pressure at a high-pressure end reaches 14Mpa, the working temperature is increased to 165 ℃, the molecular weight is small, and the permeability is stronger. The existing vehicle air conditioner pipe pipeline assembly cannot meet the high-temperature and high-pressure requirements of an R744 working medium system, and provides a novel air conditioner system pipeline assembly structure for adapting to the development trend of an automobile air conditioner, which is the requirement of the R744 automobile air conditioner.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a R744 automobile-used air conditioner hose assembly structure to adaptation R744 vehicle air conditioning system's requirement.
The utility model adopts the technical proposal that: the utility model provides a R744 automobile-used air conditioner hose assembly structure, its includes metal joint aluminum pipe, aluminium lining core, stainless steel takeover, sealed pad, aluminium cover, stainless steel metal collapsible tube and rubber hose, the one end and the metal joint aluminum pipe fixed connection of aluminium lining core, the outside cover of other end are equipped with the aluminium cover, and the inside interlude of this end has the stainless steel takeover, the cover is equipped with on the stainless steel takeover sealed pad, and the outside tip that the stainless steel was taken over with stainless steel metal collapsible tube fixed connection, stainless steel metal collapsible tube's surface is equipped with rubber hose, rubber hose's one end stretches into clearance between aluminium lining core and the aluminium cover to it is fixed with the three through withholding the aluminium cover.
Further, the metal joint aluminum pipe and the aluminum lining core are fixedly connected with each other through brazing.
Furthermore, the stainless steel connecting pipe and the stainless steel metal hose are fixedly connected with each other in an argon arc welding mode.
Furthermore, the stainless steel connecting pipe is provided with a positioning groove, positioning protrusions are arranged on two sides of the positioning groove, and the sealing gasket is arranged in the positioning groove.
Furthermore, the outermost end part of the stainless steel connecting pipe is provided with a transition sealing ring, one side of the transition sealing ring is the end part of the aluminum lining core, and the other side of the transition sealing ring is the end part of the stainless steel connecting pipe.
Further, the outer surface of the sealing gasket is coated with a layer of compressor oil.
Furthermore, a buckling and pressing fixing ring is arranged on the outer surface of one end, connected with the rubber hose, of the aluminum lining core.
The utility model has the advantages as follows:
1. The sealing gasket made of the material with the newly designed formula is adopted, so that the impact resistance to high temperature and high pressure and the permeability of R744 molecules are improved.
2. The rubber hose lining layer is a stainless steel metal hose, and has super-strong R744 molecule permeation resistance and the flexibility of the rubber hose.
3. The channel of R744 in the assembly pipeline is the metal pipe body, can furthest reduce the impact of high temperature to pipeline performance, avoids the infiltration of R744 molecule.
4. The metal hose is arranged in the rubber hose, so that the high-pressure resistance of the metal hose can be improved through the rubber hose reinforcing layer, and the influence of R744 flowing noise on the environment during the working of the system can be reduced.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic diagram of the construction of an R744 automotive air conditioning system hose assembly.
Fig. 2 is a schematic structural view of an aluminum lining core.
Fig. 3 is a schematic structural view of the stainless steel adapter.
Fig. 4 is a schematic view of the structure of the gasket.
Fig. 5 is a schematic structural view of the aluminum jacket.
fig. 6 is a schematic structural view of a stainless steel metal hose.
Labeled as: 101-metal joint aluminum pipe, 102-aluminum lining core, 103-stainless steel connecting pipe, 104-sealing gasket, 105-aluminum sleeve, 106-stainless steel metal hose, 107-rubber hose, 201-pressing groove, 202-positioning bulge, 203-positioning groove, 204-transition sealing ring and 205-pressing fixing ring.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, an R744 automotive air conditioning hose assembly structure includes a metal joint aluminum pipe 101, an aluminum lining core 102, a stainless steel connection pipe 103, a gasket 104, an aluminum sleeve 105, a stainless steel metal hose 106 and a rubber hose 107, wherein one end of the aluminum lining core 102 is fixedly connected with the metal joint aluminum pipe 101, the other end of the aluminum lining core 102 is externally sleeved with the aluminum sleeve 105, the stainless steel connection pipe 103 penetrates through the inside of the end, the gasket 104 is sleeved on the stainless steel connection pipe 103, the outermost end of the stainless steel connection pipe 103 is fixedly connected with the stainless steel metal hose 106, the rubber hose 107 is arranged on the outer surface of the stainless steel metal hose 106, and one end of the rubber hose 107 extends into a gap between the aluminum lining core 102 and the aluminum sleeve 105, and the three are fixed by buckling the aluminum sleeve 105.
In the present invention, the metal joint aluminum pipe 101 and the aluminum lining core 102 are fixedly connected to each other by brazing. The stainless steel connecting pipe 103 and the stainless steel metal hose 106 are fixedly connected with each other through argon arc welding. The stainless steel connecting pipe 103 is provided with a positioning groove 203, positioning protrusions 202 are arranged on two sides of the positioning groove 203, and the sealing gasket 104 is arranged in the positioning groove 203. The outermost end of the stainless steel adapter tube 103 is provided with a transition sealing ring 204, one side of the transition sealing ring 204 is the end of the aluminum lining core 102, and the other side is the end of the stainless steel adapter tube 103. The outer surface of the gasket 104 is coated with a layer of compressor oil. The outer surface of one end of the aluminum lining core 102 connected with the rubber hose 107 is provided with a buckling and pressing fixing ring 205.
This automobile-used air conditioner hose assembly structure of R744's assembling process does: firstly, connecting a metal joint aluminum pipe 101 with an aluminum lining core 102 through brazing, and connecting a stainless steel connecting pipe 103 with a stainless steel metal hose 106 through argon arc welding; then, the sealing gasket 104 is arranged on the stainless steel connecting pipe 103, is coated with compressor oil and is inserted into the positioning groove 203 of the aluminum lining core 102 to form effective sealing of the inner cavities of the metal joint aluminum pipe 101, the stainless steel connecting pipe 103 and the stainless steel metal hose 106; finally, an aluminum sheath 105 is mounted on the aluminum core 102, and a rubber hose 107 is inserted; the aluminum sleeve 105 is buckled on the buckling machine, the aluminum lining core 102 and the rubber hose 107 are fixed, and meanwhile, the aluminum lining core 102 and the aluminum sleeve 105 are fixed with the positioning bulge 202 on the stainless steel connecting pipe 103 by utilizing the deformation of the aluminum lining core 102 and the aluminum sleeve 105.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (7)
1. The utility model provides a R744 automobile-used air conditioner hose assembly structure which characterized in that: the assembly structure comprises a metal joint aluminum pipe (101), an aluminum lining core (102), a stainless steel connecting pipe (103), a sealing gasket (104), an aluminum sleeve (105), a stainless steel metal hose (106) and a rubber hose (107), one end of the aluminum lining core (102) is fixedly connected with a metal joint aluminum pipe (101), the aluminum sleeve (105) is sleeved outside the other end, the stainless steel connecting pipe (103) is inserted in the end, the sealing gasket (104) is sleeved on the stainless steel connecting pipe (103), the outermost end part of the stainless steel connecting pipe (103) is fixedly connected with the stainless steel metal hose (106), the rubber hose (107) is arranged on the outer surface of the stainless steel metal hose (106), one end of the rubber hose (107) extends into a gap between the aluminum lining core (102) and the aluminum sleeve (105), and the three are fixed through buckling and pressing the aluminum sleeve (105).
2. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1, wherein: the metal joint aluminum pipe (101) and the aluminum lining core (102) are fixedly connected with each other through brazing.
3. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1, wherein: the stainless steel connecting pipe (103) and the stainless steel metal hose (106) are fixedly connected with each other in an argon arc welding mode.
4. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1, wherein: be equipped with constant head tank (203) on stainless steel takeover (103), be equipped with location arch (202) in the both sides of constant head tank (203), sealed pad (104) are installed in constant head tank (203).
5. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1 or 4, wherein: the end part of the outermost side of the stainless steel connecting pipe (103) is provided with a transition sealing ring (204), one side of the transition sealing ring (204) is the end part of the aluminum lining core (102), and the other side is the end part of the stainless steel connecting pipe (103).
6. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1, wherein: the outer surface of the sealing gasket (104) is coated with a layer of compressor oil.
7. An R744 vehicular air-conditioning hose assembly structure as claimed in claim 1, wherein: and a buckling and pressing fixing ring (205) is arranged on the outer surface of one end of the aluminum lining core (102) connected with the rubber hose (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006299.XU CN209800893U (en) | 2019-01-03 | 2019-01-03 | R744 automobile-used air conditioner hose assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006299.XU CN209800893U (en) | 2019-01-03 | 2019-01-03 | R744 automobile-used air conditioner hose assembly structure |
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| Publication Number | Publication Date |
|---|---|
| CN209800893U true CN209800893U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920006299.XU Active CN209800893U (en) | 2019-01-03 | 2019-01-03 | R744 automobile-used air conditioner hose assembly structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630771A (en) * | 2019-01-03 | 2019-04-16 | 南京利德东方橡塑科技有限公司 | A kind of R744 car air-conditioner hose assembly structure |
| US11857457B2 (en) | 2020-05-21 | 2024-01-02 | Good News Medical Co., Ltd. | Device for alleviating obstructive sleep apnea |
-
2019
- 2019-01-03 CN CN201920006299.XU patent/CN209800893U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109630771A (en) * | 2019-01-03 | 2019-04-16 | 南京利德东方橡塑科技有限公司 | A kind of R744 car air-conditioner hose assembly structure |
| US11857457B2 (en) | 2020-05-21 | 2024-01-02 | Good News Medical Co., Ltd. | Device for alleviating obstructive sleep apnea |
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