CN220523363U - New energy automobile air conditioning system core part seal structure - Google Patents
New energy automobile air conditioning system core part seal structure Download PDFInfo
- Publication number
- CN220523363U CN220523363U CN202320826085.3U CN202320826085U CN220523363U CN 220523363 U CN220523363 U CN 220523363U CN 202320826085 U CN202320826085 U CN 202320826085U CN 220523363 U CN220523363 U CN 220523363U
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- core
- sealing
- air conditioning
- conditioning system
- new energy
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 239000008358 core component Substances 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 abstract description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000003507 refrigerant Substances 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
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- Gasket Seals (AREA)
Abstract
The utility model discloses a sealing structure of a core component of an air conditioning system of a new energy automobile, which belongs to the field of valve cores and comprises a core body and a core rod, wherein two ends of the core rod penetrate through the core body, two ends of the core rod penetrating through the core body are respectively provided with a core spring and a sealing gasket, and the core spring applies elastic force to the core rod to enable the core body to be propped against the sealing gasket to realize sealing; the inner wall that is close to the core end of sealed pad is equipped with the step hole, sealed pad can support and press on the step face of step hole, sealed pad lateral wall can be because of sealed pad axial extrusion and the pore wall butt in step hole. The utility model can ensure that the sealing gasket can maintain the optimal elastic state for a long time, can complete double sealing and improves the sealing effect.
Description
Technical Field
The utility model relates to the field of valve cores, in particular to a sealing structure of a core component of an air conditioning system of a new energy automobile.
Background
At present, from the aspects of environmental protection, technology, energy safety and the like, a new energy automobile has wide development space as an energy-saving and emission-reducing and emerging strategic industry. The energy use efficiency is also higher and higher, and the air conditioning system of the new energy automobile is also required to meet the development trend as a main part of the energy consumption of the automobile. In the traditional automobile air conditioning system, the used refrigerants are R134a, R1234yf and the like (with greenhouse effect), and the system pressure is generally lower than 60kgf/cm 2 The requirements for various filling sealing valve cores are relatively low. The system environment of the new energy carbon dioxide refrigerant which replaces the refrigerants such as R134a, R1234yf and the like has higher requirements on system management, so that the traditional filling sealing valve core can not meet the high pressure state and the sealing performance thereof.
The main difficulty of carbon dioxide as a refrigerant is that a higher operating pressure is required, which operating high pressure exceeds 100kgf/cm 2 New requirements are put forward for long-term sealing and high pressure resistance.
Aiming at the problems in the prior art, the utility model designs and manufactures a sealing structure of a core component of a new energy automobile air conditioning system to overcome the defects.
Disclosure of Invention
The sealing structure for the core component of the new energy automobile air conditioning system can enable the sealing gasket to maintain the optimal elastic state for a long time, can complete double sealing and improves the sealing effect.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the core component sealing structure of the new energy automobile air conditioning system comprises a core body and a core rod, wherein two ends of the core rod penetrate through the core body, core springs and sealing gaskets are respectively arranged at two ends of the core rod penetrating through the core body, and the core springs exert elastic force on the core rod to enable the core body to be propped against the sealing gaskets to realize sealing;
the inner wall that is close to the core end of sealed pad is equipped with the step hole, sealed pad can support and press on the step face of step hole, sealed pad lateral wall can be because of sealed pad axial extrusion and the pore wall butt in step hole.
Preferably, the width of the step surface is 1/3-1/2 of the width of the sealing gasket.
Preferably, the outer end of the hole wall of the step hole is provided with a chamfer.
Preferably, a boss is arranged at the end part of the core rod, a sealing groove is arranged on the side, close to the core body, of the boss, and the sealing gasket is arranged in the sealing groove.
Preferably, the diameter of the boss is larger than or equal to the outer diameter of the core body end at the step hole.
Preferably, when the sealing gasket is in contact with the step surface, a space is arranged between the end part of the core body and the boss.
Preferably, a chamfer is also provided on the outside of the core end adjacent to the gasket.
Preferably, the core body is provided with a sealing ring mounting groove, and a sealing ring is arranged in the sealing ring mounting groove.
Preferably, a positioning table is arranged at the core bar end opposite to the boss, and two ends of the core spring are respectively abutted against the positioning table and the core body.
Preferably, the outer side of the core body is provided with external threads which can be in threaded connection with the nozzle body mounting hole.
The utility model has the advantages that:
1. the sealing gasket and the step hole at the core body end realize end face sealing of the step surface, and the sealing gasket has a radial expansion trend under the action of high pressure, so that the sealing gasket and the hole wall of the step hole form radial soft sealing in a matching way, and a double sealing effect is achieved in a sealing mode in two directions.
2. The chamfering of the hole wall of the stepped hole can relieve the problem that the sealing gasket is excessively compressed under high working pressure, reduce compression deformation of a sealing part to the greatest extent, and avoid the risk that the sealing material loses elasticity due to excessive compression when sealing is further formed with the chamfering inclined surface, so that the sealing performance is reduced.
3. According to the utility model, if the pressure is too high, the sealing gasket can be limited after being contacted with the end part of the core body through the boss, so that the situation that the deformation amount of the sealing gasket is too large is avoided, and the sealing gasket is ensured to have good elasticity under a high pressure state.
Drawings
FIG. 1 is a schematic diagram of a sealing structure of a core component of an air conditioning system of a new energy vehicle;
in the figure: 1-core body, 2-core bar, 3-sealing gasket, 4-boss, 5-seal groove, 6-step hole, 7-chamfer, 8-core spring, 9-locating table, 10-sealing ring, 11-sealing ring mounting groove.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
As shown in fig. 1, a sealing structure for core components of an air conditioning system of a new energy automobile comprises a core body 1 and a core rod 2, wherein external threads are arranged on the outer side of the core body 1 and can be in threaded connection with a nozzle body mounting hole, a sealing ring mounting groove 11 is formed in the core body 1, a sealing ring 10 is arranged in the sealing ring mounting groove 11, sealing between the core body 1 and the nozzle body is ensured through the sealing ring 10, two ends of the core rod 2 penetrate through the core body 1, core springs 8 and sealing gaskets 3 are respectively arranged at two ends of the core rod 2 penetrating through the core body 1, and the core springs 8 apply elastic force to the core rod 2 so that the core body 1 is propped against the sealing gaskets 3 to realize sealing.
The end of the core rod 2 is provided with a boss 4, the diameter of the boss 4 is larger than or equal to the outer diameter of the end of the core body 1 at the step hole 6, the boss 4 is provided with a sealing groove 5 close to the side of the core body 1, the sealing gasket 3 is arranged in the sealing groove 5, and when the sealing gasket 3 contacts with the step surface, a gap is arranged between the end of the core body 1 and the boss 4. The end of the core bar 2 opposite to the boss 4 is provided with a positioning table 9, and two ends of the core spring 8 are respectively abutted against the positioning table 9 and the core body 1.
The inner wall near the core body 1 end of the sealing gasket 3 is provided with a step hole 6, the sealing gasket 3 can be propped against the step surface of the step hole 6, the width of the step surface is preferably 1/3-1/2 of the width of the sealing gasket 3, the side wall of the sealing gasket 3 can be propped against the hole wall of the step hole 6 due to the axial extrusion of the sealing gasket 3, the sealing gasket 3 and the step hole 6 at the core body 1 end realize the end face sealing of the step surface, and under the action of high-pressure, the sealing gasket 3 has a radial expansion trend, so that the sealing gasket 3 and the hole wall of the step hole 6 form radial soft sealing in a sealing mode in two directions, and the double sealing effect is achieved.
The outer end of the hole wall of the step hole 6 is preferably provided with the chamfer 7, the chamfer 7 of the hole wall of the step hole 6 can relieve the problem that the sealing gasket 3 is excessively compressed under high working pressure, the compression deformation of a sealing part is reduced to the greatest extent, and the risk that the sealing material loses elasticity due to excessive compression is avoided while sealing is further formed with the inclined surface of the chamfer 7, so that the sealing performance is reduced is avoided.
The outside of the end of the core body 1 close to the sealing gasket 3 is also provided with a chamfer, and the structure is combined with the chamfer 7 of the step hole 6, so that the end of the core body 1 is in a certain taper structure, and the tightness of the end of the core body 1 and the sealing gasket 3 can be improved when the end of the core body 1 is in contact with the sealing gasket 3.
It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of protection defined in the claims appended hereto.
Claims (9)
1. The core component sealing structure of the new energy automobile air conditioning system is characterized by comprising a core body and a core rod, wherein two ends of the core rod penetrate through the core body, core springs and sealing gaskets are respectively arranged at two ends of the core rod penetrating through the core body, and the core springs exert elastic force on the core rod to enable the core body to be propped against the sealing gaskets to realize sealing;
the inner wall of the core body end close to the sealing gasket is provided with a step hole, the sealing gasket can be propped against the step surface of the step hole, and the side wall of the sealing gasket can be propped against the hole wall of the step hole due to the axial extrusion of the sealing gasket;
and a chamfer is arranged at the outer end of the hole wall of the step hole.
2. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 1, wherein the width of the step surface is 1/3-1/2 of the width of the sealing gasket.
3. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 1, wherein a boss is arranged at the end of the core rod, a sealing groove is arranged on the side, close to the core body, of the boss, and the sealing gasket is arranged in the sealing groove.
4. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 3, wherein the diameter of the boss is larger than or equal to the outer diameter of the core body end at the step hole.
5. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 4, wherein a distance is arranged between the end of the core body and the boss when the sealing gasket is in contact with the step surface.
6. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 1, wherein a chamfer is also arranged on the outer side of the core end close to the sealing gasket.
7. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 1, wherein a sealing ring installation groove is formed in the core body, and a sealing ring is arranged in the sealing ring installation groove.
8. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 3, wherein a positioning table is arranged at the core rod end opposite to the boss, and two ends of the core spring are respectively abutted against the positioning table and the core body.
9. The sealing structure of the core component of the air conditioning system of the new energy automobile according to claim 1, wherein the outer side of the core body is provided with external threads which can be in threaded connection with the nozzle body mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320826085.3U CN220523363U (en) | 2023-04-14 | 2023-04-14 | New energy automobile air conditioning system core part seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320826085.3U CN220523363U (en) | 2023-04-14 | 2023-04-14 | New energy automobile air conditioning system core part seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220523363U true CN220523363U (en) | 2024-02-23 |
Family
ID=89932819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320826085.3U Active CN220523363U (en) | 2023-04-14 | 2023-04-14 | New energy automobile air conditioning system core part seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220523363U (en) |
-
2023
- 2023-04-14 CN CN202320826085.3U patent/CN220523363U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region after: China Patentee after: SHANDONG HIMILE VALVE Co.,Ltd. Address before: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee before: GAOMI TONGCHUANG VALVE CORE Co.,Ltd. Country or region before: China Patentee before: SHANDONG HIMILE VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: 261500 no.1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee after: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region after: China Patentee after: SHANDONG HIMILE VALVE Co.,Ltd. Address before: 261500 No. 1908, Fenghuang Street (West), Liquan street, Gaomi City, Weifang City, Shandong Province Patentee before: Shandong Tongchuang Precision Technology Co.,Ltd. Country or region before: China Patentee before: SHANDONG HIMILE VALVE Co.,Ltd. |
|
| CP03 | Change of name, title or address |