CN109296845A - A kind of R744 air-conditioning duct sealing structure - Google Patents
A kind of R744 air-conditioning duct sealing structure Download PDFInfo
- Publication number
- CN109296845A CN109296845A CN201811195633.7A CN201811195633A CN109296845A CN 109296845 A CN109296845 A CN 109296845A CN 201811195633 A CN201811195633 A CN 201811195633A CN 109296845 A CN109296845 A CN 109296845A
- Authority
- CN
- China
- Prior art keywords
- sealing
- ring
- air
- male contact
- face seal
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 56
- 238000004378 air conditioning Methods 0.000 title claims abstract description 21
- 238000003780 insertion Methods 0.000 claims abstract description 4
- 230000037431 insertion Effects 0.000 claims abstract description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 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
- 238000003825 pressing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000010725 compressor oil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/03—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed in the socket before connection
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a kind of R744 air-conditioning duct sealing structures, the sealing structure includes male contact, end face seal pad, the first O-ring, the second O-ring and famale connector, the inner side end of the male contact is equipped with the sealing axis of hollow structure, the sealing axis is connected with the connecting hole for installing air-conditioner pipe in male contact end face outside, and the sealing axis is sequentially installed with the end face seal pad, the first O-ring and the second O-ring along axial direction；The inner side end of the famale connector is equipped with the sealing through-hole for the sealing axis insertion, the stepped structure of sealing through-hole, and it is connected with the connecting hole for installing air-conditioner pipe in famale connector end face outside.The present invention can meet the requirement that the high temperature high voltage resistant that component connection sealing is required in R744 air-conditioning system impacts and R744 working medium penetrating power is strong, the non-isometrical design of double O-rings used, the problem of overcoming yin, yang connector assembly difficulty effectively improves the assembly efficiency at scene.
Description
Technical field
The present invention relates to R744 automotive air-conditioning system, specifically a kind of R744 air-conditioning duct sealing structure.
Background technique
From on January 1st, 2017, all European Union's new registration vehicles must use GWP value (global warming potentiality) to be lower than 150
Refrigerant.GWP value is to measure a substance for (opposite) module of the influence degree of global warming.Except chemical means
Outside, the natural R744 (carbon dioxide) that GWP value is 1 is the selection other than conventional refrigerants.R744 is to components or even entire system
System has high technical requirements, and component has changed in air-conditioning system, and the connection seal request between each component is also therewith
Change.With the application of R744 working medium, operating pressure improves 3~4 times in system, and the operating pressure of high-voltage end reaches
14Mpa, operating temperature are promoted to 165 DEG C；Existing car air-conditioner tube seal structure is unable to satisfy the high temperature of R744 working substance system
High pressure requirement.For the development trend for adapting to air conditioning for automobiles, the certainty that the novel sealing structure of one kind is R744 air conditioning for automobiles is provided
It is required that.
Summary of the invention
The purpose of the present invention is to provide a kind of R744 automotive air-conditioning system connection sealing structures.
To achieve the goals above, the technical solution adopted by the present invention is as follows:
A kind of R744 air-conditioning duct sealing structure, the sealing structure include male contact, end face seal pad, the first O-ring,
Two O-rings and famale connector, the inner side end of the male contact are equipped with the sealing axis of hollow structure, outside the sealing axis and male contact
The connecting hole for installing air-conditioner pipe on side end face is connected, and the sealing axis is sequentially installed with the end face seal along axial direction
Pad, the first O-ring and the second O-ring；The inner side end of the famale connector is equipped with the sealing through-hole for the sealing axis insertion,
The stepped structure of sealing through-hole, and it is connected with the connecting hole for installing air-conditioner pipe in famale connector end face outside.
Further, the sealing axis is disposed with end face seal platform, the first O-shaped slot and the second O-shaped slot, institute along axial direction
End face seal cushion cover is stated on end face seal platform, the first O-ring and the second O-ring are respectively nested in the first O-shaped slot and the 2nd O
In type groove.
Further, first O-ring, the second O-ring use non-equant sealing ring.
Further, the described first O-shaped slot and the second O-shaped slot use non-isometrical structure grooves.
Further, the end face seal rim strip has metal reinforcing ring.
Further, it is additionally provided on the male contact and famale connector with the screw hole for being connected and fixed bolt.
Further, the inside of the male contact and far from sealing axis one end end face be equipped with locking boss, the lock
Tight boss is equal with the end face seal platform height, and the table top of the two is located in same level.
The beneficial effects of the present invention are: the O-ring of (1) new material design, improves high-temperature and high-presure resistent impact and R744 points
The penetrating power of son；(2) end face seal structure further increases double O-ring leak-preventing abilities；(3) double O-rings are using non-isometrical
The problem of designing, overcoming assembly difficulty；(4) end face seal is compressed using lever principle, improves axial pressing force and week
To uniformity.
This sealing structure meets in R744 air-conditioning system required by the components such as compressor, evaporator, air-cooled engine connection sealing
High temperature high voltage resistant impact and the strong requirement of R744 working medium penetrating power, the non-isometrical design of double O-rings of use, overcome it is negative,
The problem of male contact assembly difficulty, effectively improves the assembly efficiency at scene.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is whole assembling stereogram of the invention.
Fig. 2 is perspective view of the explosion of the invention.
Fig. 3 is male contact structural schematic diagram of the invention.
Fig. 4 is end face seal mat structure schematic diagram of the invention.
Fig. 5 is O-ring structure schematic diagram of the invention.
Fig. 6 is famale connector structural schematic diagram of the invention.
In the figure, it is marked as 101- male contact, 102- end face seal pad, the first O-ring of 103-, the second O-ring of 104-, 105
Famale connector, 201- locking boss, the O-shaped slot of 202- second, the O-shaped slot of 203- first, 204- end face seal platform, 205- seal through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As illustrated in fig. 1 and 2, a kind of R744 air-conditioning duct sealing structure, the sealing structure include that male contact 101, end face are close
Packing 102, the first O-ring 103, the second O-ring 104 and famale connector 105, during the inner side end of the male contact 101 is equipped with
The sealing axis of hollow structure, the sealing axis pass through weldering in the aluminum pipe for coupling air-conditioner pipe with the connecting hole in 101 end face outside of male contact
It connects and is connected, the sealing axis is sequentially installed with the end face seal pad 102, the first O-ring 103 and the second O-ring along axial direction
104；The inner side end of the famale connector 105 is equipped with the sealing through-hole for the sealing axis insertion, which is in ladder
Shape structure, and it is connected in the aluminum pipe for coupling air-conditioner pipe by welding with the connecting hole in 105 end face outside of famale connector.
As shown in Fig. 3 to 5, the sealing axis is disposed with end face seal platform 204, the first O-shaped slot 203 and along axial direction
Two O-shaped slots 202, the end face seal pad 102 are sleeved on end face seal platform 204, the first O-ring 103 and the second O-ring 104
It is respectively nested in the first O-shaped slot 203 and the second O-shaped slot 202.Wherein, first O-ring 103, the second O-ring 104 use
Non-equant sealing ring.The first O-shaped slot 203 and the second O-shaped slot 202 use non-isometrical structure grooves.The end face seal pad
102 have metal reinforcing ring.
The present invention during installation, successively load on male contact 101 along axial direction end face seal pad 102, the first O-ring 103,
Second O-ring 104, which arrives, fixes position, i.e. end face seal platform 204, on the second O-shaped slot 203, the first O-shaped slot 202, then will load onto
The male contact 101 of end face seal pad and O-ring is inserted into famale connector 105, can before assembly circumferentially to prevent O-ring damaged
Compressor oil is coated to O-ring, finally, being tightened fixing bolt with torque wrench under prescribed torque, using on male contact 101
Locking boss 201, and locking boss 201 is arranged with end face seal platform 204 contour, i.e. the table top of the two is located at same level
On face, this ensure that gasket 102 axial pressing force and circumferential uniformity under coupling mechanism force effect, further increase sealing
Performance.
To sum up, using this sealing structure, the components such as compressor, evaporator, air-cooled engine in R744 air-conditioning system can be met and joined
Connect the required high temperature high voltage resistant impact of sealing and the strong requirement of R744 working medium penetrating power, double O-rings of use are non-isometrical to be set
The problem of counting, overcoming yin, yang connector assembly difficulty effectively improves the assembly efficiency at scene.
The basic principles, main features and advantages of the invention have been shown and described above.Those skilled in the art
It should be appreciated that the protection scope that the above embodiments do not limit the invention in any form, all to be obtained using modes such as equivalent replacements
The technical solution obtained, falls in protection scope of the present invention.
Part that the present invention does not relate to is the same as those in the prior art or can be realized by using the prior art.
Claims (7)
1. a kind of R744 air-conditioning duct sealing structure, it is characterised in that: the sealing structure includes male contact (101), end face seal
Pad (102), the first O-ring (103), the second O-ring (104) and famale connector (105), the inner side end of the male contact (101)
It is equipped with the sealing axis of hollow structure, the connection for being used to install air-conditioner pipe on the sealing axis and male contact (101) end face outside
Hole is connected, and the sealing axis is sequentially installed with the end face seal pad (102), the first O-ring (103) and the 2nd O along axial direction
Type circle (104)；The inner side end of the famale connector (105) is equipped with the sealing through-hole for the sealing axis insertion, and the sealing is logical
The stepped structure in hole, and it is connected with the connecting hole for installing air-conditioner pipe in famale connector (105) end face outside.
2. a kind of R744 air-conditioning duct sealing structure according to claim 1, it is characterised in that: the sealing axis is along axial
It is disposed with end face seal platform (204), the first O-shaped slot (203) and the second O-shaped slot (202), the end face seal pad (102)
It is sleeved on end face seal platform (204), the first O-ring (103) and the second O-ring (104) are respectively nested in the first O-shaped slot
(203) and in the second O-shaped slot (202).
3. a kind of R744 air-conditioning duct sealing structure according to claim 2, it is characterised in that: first O-ring
(103), the second O-ring (104) uses non-equant sealing ring.
4. a kind of R744 air-conditioning duct sealing structure according to claim 2 or 3, it is characterised in that: the first O-shaped slot
(203) and the second O-shaped slot (202) uses non-isometrical structure grooves.
5. a kind of R744 air-conditioning duct sealing structure according to claim 1, it is characterised in that: the end face seal pad
(102) metal reinforcing ring is had.
6. a kind of R744 air-conditioning duct sealing structure according to claim 1, it is characterised in that: the male contact (101)
The screw hole for being connected and fixed bolt is used with being additionally provided on famale connector (105).
7. a kind of R744 air-conditioning duct sealing structure according to claim 2, it is characterised in that: the male contact (101)
Inside and far from sealing axis one end end face be equipped with locking boss (201), the locking boss (201) and the end face are close
Envelope platform (204) height is equal, and the table top of the two is located in same level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195633.7A CN109296845A (en) | 2018-10-15 | 2018-10-15 | A kind of R744 air-conditioning duct sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811195633.7A CN109296845A (en) | 2018-10-15 | 2018-10-15 | A kind of R744 air-conditioning duct sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109296845A true CN109296845A (en) | 2019-02-01 |
Family
ID=65162751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811195633.7A Pending CN109296845A (en) | 2018-10-15 | 2018-10-15 | A kind of R744 air-conditioning duct sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109296845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structure, compressor, air conditioning equipment and vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102853190A (en) * | 2012-09-26 | 2013-01-02 | 玉环汽车配件实业有限公司 | Fast joint |
| CN202834522U (en) * | 2012-07-18 | 2013-03-27 | 上海汽车空调配件有限公司 | Cooling system sealing connector |
| CN204901131U (en) * | 2015-07-31 | 2015-12-23 | 新昌县佛城制冷有限公司 | Vehicle air conditioner is connect pipe joint even |
| CN106907538A (en) * | 2017-04-06 | 2017-06-30 | 珠海格力电器股份有限公司 | Pipe joint device and automobile air conditioner |
| CN206723644U (en) * | 2017-04-14 | 2017-12-08 | 上海比克客车空调有限公司 | A kind of coach air conditioner sealed joint pipe |
| CN108561644A (en) * | 2018-06-27 | 2018-09-21 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure air conditioner pipe pressing plate for sealing structure |
| CN209278668U (en) * | 2018-10-15 | 2019-08-20 | 南京利德东方橡塑科技有限公司 | A kind of R744 air-conditioning duct sealing structure |
-
2018
- 2018-10-15 CN CN201811195633.7A patent/CN109296845A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202834522U (en) * | 2012-07-18 | 2013-03-27 | 上海汽车空调配件有限公司 | Cooling system sealing connector |
| CN102853190A (en) * | 2012-09-26 | 2013-01-02 | 玉环汽车配件实业有限公司 | Fast joint |
| CN204901131U (en) * | 2015-07-31 | 2015-12-23 | 新昌县佛城制冷有限公司 | Vehicle air conditioner is connect pipe joint even |
| CN106907538A (en) * | 2017-04-06 | 2017-06-30 | 珠海格力电器股份有限公司 | Pipe joint device and automobile air conditioner |
| CN206723644U (en) * | 2017-04-14 | 2017-12-08 | 上海比克客车空调有限公司 | A kind of coach air conditioner sealed joint pipe |
| CN108561644A (en) * | 2018-06-27 | 2018-09-21 | 上海众源燃油分配器制造有限公司 | A kind of high-pressure air conditioner pipe pressing plate for sealing structure |
| CN209278668U (en) * | 2018-10-15 | 2019-08-20 | 南京利德东方橡塑科技有限公司 | A kind of R744 air-conditioning duct sealing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structure, compressor, air conditioning equipment and vehicle |
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