CN221004139U - R744 refrigerant-resistant automobile high-pressure air conditioner hose - Google Patents
R744 refrigerant-resistant automobile high-pressure air conditioner hose Download PDFInfo
- Publication number
- CN221004139U CN221004139U CN202322659466.XU CN202322659466U CN221004139U CN 221004139 U CN221004139 U CN 221004139U CN 202322659466 U CN202322659466 U CN 202322659466U CN 221004139 U CN221004139 U CN 221004139U
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- Prior art keywords
- layer
- refrigerant
- hose
- pressure air
- adhesive layer
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- 239000003507 refrigerant Substances 0.000 title claims abstract description 52
- 239000010410 layer Substances 0.000 claims abstract description 126
- 229910052751 metal Inorganic materials 0.000 claims abstract description 55
- 239000002184 metal Substances 0.000 claims abstract description 55
- 239000012790 adhesive layer Substances 0.000 claims abstract description 54
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 239000003292 glue Substances 0.000 claims abstract description 28
- 238000004378 air conditioning Methods 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 229920001971 elastomer Polymers 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920006168 hydrated nitrile rubber Polymers 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 239000012466 permeate Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model relates to an automobile high-pressure air-conditioning hose resistant to R744 refrigerant. The hose solves the technical problems that the existing refrigerant can permeate in the hose body. Including the hose body, the hose body has the interior metal level that is used for transmitting the transmission channel of refrigerant including circumference inboard, and interior metal level circumference outside fixed cover is equipped with the shielding layer, and shielding layer circumference outside is by interior outside interior glue film, enhancement layer and outer glue film in proper order, and between interior glue film circumference inboard and shielding layer circumference outside and between interior glue film circumference outside and the enhancement layer circumference inboard link to each other through the bonding mode respectively. The advantages are that: the inner metal layer is a corrugated pipe made of SUS316 stainless steel, so that the flow of the refrigerant in the conveying channel can be improved, the permeation of the refrigerant can be reduced, and the service life of the inner metal layer is prolonged. The refrigerant can be effectively prevented from penetrating through five layers of structures of the inner metal layer, the shielding layer, the inner adhesive layer, the reinforcing layer and the outer adhesive layer of the hose body.
Description
Technical Field
The utility model belongs to the technical field of automobile high-pressure air-conditioning hoses, and particularly relates to an R744 refrigerant-resistant automobile high-pressure air-conditioning hose.
Background
Along with the improvement of the technological level, people pay more and more attention to the durable development of living environment, and automobiles are one of important transportation means of people's daily life, along with the market share of automobiles gradually improving, people begin to notice that an automobile air conditioning system damages the environment, and the current automobile air conditioning pipeline is transmitted with refrigerant, and makes the automobile air conditioning system refrigerate through the refrigerant, but current automobile air conditioning pipeline easily produces refrigerant infiltration, leads to the refrigerant to damage the atmosphere ozone layer, influences living environment.
In order to solve the defects existing in the prior art, long-term exploration is performed, and various solutions are proposed. For example, chinese patent literature discloses a carbon dioxide automotive air conditioner high pressure line [ application number: 202010326914.2, which comprises a rubber tube connector and an aluminum alloy tube which is fixedly spliced with the rubber tube connector; one end of the rubber tube connector is provided with a bamboo joint connector inserted into the aluminum alloy tube, the aluminum alloy tube is sleeved with an aluminum tube sleeve with an L-shaped section, and one end, close to the rubber tube connector, of the aluminum tube sleeve is abutted against the bamboo joint connector; the other end of the rubber tube connector is inserted with a metal corrugated inner tube.
The scheme solves the problem of refrigerant permeation in the existing air conditioner hose to a certain extent, but the scheme still has a plurality of defects, for example, the air conditioner pipeline prevents the refrigerant permeation through a four-layer structure of a metal corrugated pipe, an inner adhesive layer, a steel wire woven reinforcing layer and an outer adhesive layer, but the permeation prevention effect is insufficient.
Disclosure of Invention
The utility model aims to solve the problems and provide an automobile high-pressure air conditioner hose resistant to R744 refrigerant.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an automobile high pressure air conditioner hose of resistant R744 refrigerant, includes the hose body, the hose body including circumference inboard have the interior metal level that is used for transmitting the transmission channel of refrigerant, interior metal level circumference outside fixed cover be equipped with the shielding layer, just shielding layer circumference outside by interior outside in proper order interior glue film, enhancement layer and outer glue film, just interior glue film circumference inboard and shielding layer circumference outside between and interior glue film circumference outside link to each other through the bonding mode respectively with the enhancement layer circumference inboard between, can improve the connection stability between interior glue film, shielding layer, enhancement layer and the outer glue film through the bonding mode.
In the automobile high-pressure air conditioner hose resistant to the R744 refrigerant, the inner metal layer is a corrugated pipe, the corrugated pipe is made of SUS316 stainless steel, and the SUS316 stainless steel has good heat resistance and cold resistance and can prolong the service life of the inner metal layer.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the outer diameter of the inner metal layer is 9.7mm, the diameter of the transmission channel in the inner metal layer is 6.5mm, and the inner metal layer can play roles in resisting high pressure and preventing the refrigerant from penetrating.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the shielding layer is made of PA6 nylon, and the PA6 nylon has the advantages of high mechanical strength, heat resistance, corrosion resistance and the like.
In the automobile high-pressure air conditioner hose resistant to R744 refrigerant, the outer diameter of the shielding layer is 10mm, the shielding layer can play a role in secondarily preventing refrigerant from penetrating, reducing friction force of inner metal layer assembly, and improving the installation efficiency of the inner metal layer.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the inner adhesive layer and the outer adhesive layer are identical in material and are made of HNBR rubber, and the HNBR rubber has good performances of wear resistance, low temperature resistance, high temperature resistance, oxidation resistance and the like.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the outer diameter of the inner adhesive layer is 11.8mm, the outer diameter of the outer adhesive layer is 15.7mm, the wall thickness of the inner adhesive layer is 1.8mm, and the wall thickness of the outer adhesive layer is 2.7mm.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the reinforcing layer is made of metal steel wires, and the strength of the hose body and the pressure resistance can be improved through the metal steel wires.
In the automobile high-pressure air-conditioning hose resistant to the R744 refrigerant, the inner diameter of the reinforcing layer is larger than or equal to the outer diameter of the inner adhesive layer, the outer diameter of the reinforcing layer is smaller than or equal to the inner diameter of the outer adhesive layer, the outer diameter of the reinforcing layer is 13mm, and the wall thickness of the reinforcing layer is 1.2mm.
In the automobile high-pressure air conditioner hose resistant to R744 refrigerant, the inner metal layer, the shielding layer, the inner adhesive layer, the reinforcing layer and the outer adhesive layer are all coaxially arranged, and the reinforcing layer is embedded between the inner adhesive layer and the outer adhesive layer, so that the strength between the inner adhesive layer and the outer adhesive layer can be improved through the reinforcing layer.
Compared with the prior art, the utility model has the advantages that:
1. The inner metal layer is a corrugated pipe made of SUS316 stainless steel, so that the flow of the refrigerant in the conveying channel can be improved, the permeation of the refrigerant can be reduced, and the service life of the inner metal layer is prolonged.
2. The refrigerant can be effectively prevented from penetrating through five layers of structures of the inner metal layer, the shielding layer, the inner adhesive layer, the reinforcing layer and the outer adhesive layer of the hose body.
3. The friction force during assembly of the inner metal layer can be reduced through the shielding layer, the inner metal layer is convenient to install, and the installation efficiency of the inner metal layer is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a cross-sectional view of the structure of the present utility model.
In the figure: hose body 1, inner metal layer 11, shielding layer 12, inner glue layer 13, reinforcing layer 14, outer glue layer 15.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description.
As shown in fig. 1 and 2, this high-pressure air conditioning hose of car of resistant R744 refrigerant, including hose body 1, hose body 1 includes that circumference inboard has the interior metal level 11 that is used for transmitting the transmission path of refrigerant, interior metal level 11 can play high pressure resistant, prevent the effect that refrigerant permeated, interior metal level 11 circumference outside fixed cover is equipped with shielding layer 12, can further play the effect that prevents refrigerant permeated through shielding layer 12, and can reduce interior metal level 11 assembly frictional force, improve the life of interior metal level 11, and shielding layer 12 circumference outside is by interior outside in proper order in glue film 13, enhancement layer 14 and outer glue film 15, and through hose body 1 have five layers refrigerant permeation prevention layer, can effectively prevent refrigerant permeation, and link to each other through the bonding mode between interior glue film 13 circumference inboard and shielding layer 12 circumference outside and the circumference inboard of enhancement layer 13 respectively, the circumference inboard of outer glue film 15 links to each other with enhancement layer 14 bonding, can guarantee the stability of shielding layer 12, interior glue film 13, the connection of enhancement layer 14 and outer glue film 15 through the bonding mode.
Specifically, the inner metal layer 11 is a corrugated pipe, the corrugated pipe is made of SUS316 stainless steel, the corrugated pipe has the characteristics of high external pressure resistance, strong impact resistance and flexibility change, the inner wall is smooth, the friction resistance is small, the pipe of the corrugated pipe can pass through larger flow under the condition of the same inner diameter, and the SUS316 stainless steel has good heat resistance, cold resistance, corrosion resistance and wear resistance, so that the service life of the inner metal layer 11 can be greatly prolonged.
Wherein, the external diameter of the inner metal layer 11 is 9.7mm, and the diameter of the transmission channel in the inner metal layer 11 is 6.5mm, which can have good flow passage, and the wall thickness of the inner metal layer 11 is 3.2mm, which can ensure the impact resistance of the inner metal layer 11.
As shown in fig. 2, the material of the shielding layer 12 is PA6 nylon, and PA6 nylon has advantages of high mechanical strength, good cold resistance, heat resistance, corrosion resistance, and the like, and can further prevent the permeation of the refrigerant.
Further, the outer diameter of the shielding layer 12 is 10mm, and the wall thickness of the shielding layer 1 is 0.3mm, so that the assembly friction force of the inner metal layer 11 can be reduced, and the installation efficiency of the inner metal layer 11 can be improved.
The inner adhesive layer 13 and the outer adhesive layer 15 are identical in material and are made of HNBR rubber, and the HNBR rubber has good performances of wear resistance, low temperature resistance, high temperature resistance, oxidation resistance and the like, so that the service lives of the inner adhesive layer 13 and the outer adhesive layer 15 can be prolonged.
As shown in fig. 2, the outer diameter of the inner adhesive layer 13 is 11.8mm, the outer diameter of the outer adhesive layer 15 is 15.7mm, the wall thickness of the inner adhesive layer 13 is 1.8mm, and the wall thickness of the outer adhesive layer 15 is 2.7mm, so that the service lives of the inner adhesive layer 13 and the outer adhesive layer 15 can be ensured, and the refrigerant permeation effect can be further prevented.
Wherein, the material of enhancement layer 14 is metal steel wire, can improve the intensity of interior glue film 13 and outer glue film 15 through metal steel wire, improves the impact resistance of interior glue film 13 and outer glue film 15, can further improve hose body 1's life.
Specifically, the inner diameter of the reinforcing layer 14 is equal to or larger than the outer diameter of the inner adhesive layer 13, and the outer diameter of the reinforcing layer 14 is equal to or smaller than the inner diameter of the outer adhesive layer 15, and the outer diameter of the reinforcing layer 14 is 13mm, it is convenient that the reinforcing layer 14 is disposed between the inner adhesive layer 13 and the outer adhesive layer 15, and the wall thickness of the reinforcing layer 14 is 1.2mm.
As shown in fig. 2, the inner metal layer 11, the shielding layer 12, the inner adhesive layer 13, the reinforcing layer 14 and the outer adhesive layer 15 are all coaxially arranged, the reinforcing layer 14 is embedded between the inner adhesive layer 13 and the outer adhesive layer 15, and the connection stability between the reinforcing layer 14 and the inner adhesive layer 13 and between the reinforcing layer 14 and the outer adhesive layer 15 is improved in a bonding manner, so that the overall strength of the hose body 1 can be improved, and the service life of the hose body can be prolonged.
The principle of this embodiment is: the inner metal layer 11 is a corrugated pipe made of SUS316 stainless steel, the flow of the refrigerant in a transmission channel can be improved, the SUS316 stainless steel can play an anti-seepage effect on the refrigerant, the service life of the inner metal layer 11 is improved, the shielding layer 12 is sleeved on the periphery of the inner metal layer 11, the anti-seepage effect of the refrigerant can be further achieved, friction generated during assembly of the inner metal layer 11 can be reduced, the service life of the inner metal layer 11 is further guaranteed, the inner adhesive layer 13 is fixedly connected with the shielding layer 12 in an adhesive mode, the connection stability of the inner adhesive layer 13 can be guaranteed, the reinforcing layer 14 and the outer adhesive layer 15 are sequentially arranged on the periphery of the inner adhesive layer 13 in an adhesive mode, the anti-seepage effect can be further improved through the inner adhesive layer 13, the reinforcing layer 14 and the outer adhesive layer 15, the overall strength and the wear resistance of the hose body 1 can be improved, and the service life of the hose body 1 can be improved.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the terms of the flexible pipe body 1, the inner metal layer 11, the shielding layer 12, the inner glue layer 13, the reinforcing layer 14, the outer glue layer 15, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides an automobile high pressure air conditioner hose of resistant R744 refrigerant, includes hose body (1), its characterized in that, hose body (1) including circumference inboard have inner metal layer (11) that are used for transmitting the transmission path of refrigerant, inner metal layer (11) circumference outside fixed cover be equipped with shielding layer (12), just shielding layer (12) circumference outside by interior outside in proper order interior glue film (13), enhancement layer (14) and outer glue film (15), just interior glue film (13) circumference inboard and shielding layer (12) circumference outside between and interior glue film (13) circumference outside and enhancement layer (14) circumference inboard link to each other through the bonding mode respectively.
2. The R744 refrigerant resistant automotive high pressure air conditioning hose according to claim 1, wherein the inner metal layer (11) is a bellows, and the bellows is a SUS316 stainless steel bellows.
3. An automotive high pressure air conditioning hose resistant to R744 refrigerant according to claim 2, characterized in that the outer diameter of the inner metal layer (11) is 9.7mm and the diameter of the transmission channel in the inner metal layer (11) is 6.5mm.
4. The hose of claim 1, wherein the shielding layer (12) is PA6 nylon.
5. An automotive high pressure air conditioning hose resistant to R744 refrigerant according to claim 4, wherein said shielding layer (12) has an outer diameter of 10mm.
6. The hose of claim 1, wherein the inner rubber layer (13) and the outer rubber layer (15) are made of HNBR rubber.
7. An automotive high pressure air conditioning hose resistant to R744 refrigerant according to claim 6, characterized in that the outer diameter of the inner adhesive layer (13) is 11.8mm and the outer diameter of the outer adhesive layer (15) is 15.7mm.
8. The R744 refrigerant resistant automotive high pressure air conditioning hose according to claim 1, wherein the reinforcing layer (14) is made of metal wire.
9. The high-pressure air conditioning hose for an automobile resistant to R744 refrigerant according to claim 1, wherein the inner diameter of the reinforcing layer (14) is equal to or larger than the outer diameter of the inner adhesive layer (13), the outer diameter of the reinforcing layer (14) is equal to or smaller than the inner diameter of the outer adhesive layer (15), and the outer diameter of the reinforcing layer (14) is 13mm.
10. The high-pressure air conditioning hose for the automobile, which is resistant to R744 refrigerant according to claim 1, wherein the inner metal layer (11), the shielding layer (12), the inner adhesive layer (13), the reinforcing layer (14) and the outer adhesive layer (15) are all coaxially arranged, and the reinforcing layer (14) is embedded between the inner adhesive layer (13) and the outer adhesive layer (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322659466.XU CN221004139U (en) | 2023-09-27 | 2023-09-27 | R744 refrigerant-resistant automobile high-pressure air conditioner hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322659466.XU CN221004139U (en) | 2023-09-27 | 2023-09-27 | R744 refrigerant-resistant automobile high-pressure air conditioner hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221004139U true CN221004139U (en) | 2024-05-24 |
Family
ID=91119956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322659466.XU Active CN221004139U (en) | 2023-09-27 | 2023-09-27 | R744 refrigerant-resistant automobile high-pressure air conditioner hose |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221004139U (en) |
-
2023
- 2023-09-27 CN CN202322659466.XU patent/CN221004139U/en active Active
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