CN211231959U - Quick joint for automobile air conditioner pipeline - Google Patents
Quick joint for automobile air conditioner pipeline Download PDFInfo
- Publication number
- CN211231959U CN211231959U CN201922140097.7U CN201922140097U CN211231959U CN 211231959 U CN211231959 U CN 211231959U CN 201922140097 U CN201922140097 U CN 201922140097U CN 211231959 U CN211231959 U CN 211231959U
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- pipe joint
- annular flange
- inner pipe
- outer pipe
- clamping
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Abstract
A quick connector for an automobile air conditioner pipeline comprises an inner pipe connector, an outer pipe connector, two O-shaped rings and a clamping sleeve; the inner pipe joint is inserted into the outer pipe joint, two O-shaped rings are arranged on the outer wall of the front part of the inner pipe joint, a first annular flange is expanded in the middle of the inner pipe joint, and a radial inwards-concave clamping groove is formed in the first annular flange; the front end of the outer pipe joint is provided with a second annular flange in an expanding way, a bulge which is inwards convex in the radial direction and matched with the clamping groove is arranged on the second annular flange, the inner wall of the outer pipe joint extrudes two O-shaped rings at the front part of the inner pipe joint to realize sealing, and the middle rear part of the outer pipe joint is provided with a third annular flange in an expanding way; the inner pipe joint and the outer pipe joint which are connected are arranged in the clamping sleeve, and the rear parts of the inner pipe joint and the outer pipe joint respectively extend out of two ends of the clamping sleeve. The connection and disassembly operations of the inner pipe joint, the outer pipe joint and the clamping sleeve are simple, auxiliary tools are not needed, the assembly efficiency is improved, the maintenance is easy, and the cost is saved; and a double-O-shaped ring is adopted between the inner pipe joint and the outer pipe joint, so that the sealing property and the safety of the automobile air conditioner pipeline are improved.
Description
Technical Field
The utility model relates to a technical field of vehicle air conditioner pipeline, concretely relates to vehicle air conditioner pipeline quick-operation joint.
Background
At present, a vehicle air conditioner pipeline joint generally adopts a bolt fastening mode, and has the defects of high requirement on assembly space, low installation efficiency and easiness in generating pipeline deformation during bolt driving, so that parts cannot completely meet the design state after being installed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above-mentioned problem, a vehicle air conditioner pipeline quick-operation joint is provided.
The purpose of the utility model can be realized by the following technical scheme: a quick connector for an automobile air conditioner pipeline comprises an inner pipe connector, an outer pipe connector, two O-shaped rings and a clamping sleeve;
the front part and the middle part of the inner pipe joint are inserted into the outer pipe joint, two annular grooves are axially arranged on the outer wall of the front part of the inner pipe joint, each annular groove is arranged along the circumferential direction of the inner pipe joint and is internally provided with an O-shaped ring, the middle part of the inner pipe joint is outwards expanded along the circumferential direction and is provided with a first annular flange, and the outer wall of the first annular flange is provided with a radially inwards-concave clamping groove;
the front end of the outer pipe joint corresponds to the middle of the inner pipe joint, a second annular flange is formed at the front end of the outer pipe joint in an outward expanding mode along the circumferential direction, the inner diameter of the second annular flange is matched with the outer diameter of the first annular flange of the inner pipe joint, the transition position of the rear end face of the second annular flange and the inner wall of the outer pipe joint is abutted against the front end face of the first annular flange, a radial inward convex bulge is arranged on the second annular flange, and the bulge is matched with a clamping groove in the first annular flange; the inner wall of the outer pipe joint extrudes two O-shaped rings at the front part of the inner pipe joint to realize sealing, and the middle rear part of the outer pipe joint is provided with a third annular flange along the circumferential direction;
the inner pipe joint and the outer pipe joint which are connected are arranged in the clamping sleeves, the rear portions of the inner pipe joint and the outer pipe joint respectively extend out of two ends of the clamping sleeves, each clamping sleeve comprises two half clamping sleeves, one sides of the two half clamping sleeves are hinged, the other sides of the two half clamping sleeves are connected in a buckling mode, a half groove matched with the outer structures of the inner pipe joint and the outer pipe joint is formed in the inner side of each half clamping sleeve, the two ends of the half groove respectively extend out of the rear portions of the inner pipe joint and the outer pipe joint, the inner wall of one end of each half groove supports against the rear end face of the first annular flange of the inner pipe joint and the front end face of the second annular flange of the outer pipe joint, and the inner wall of the other.
Furthermore, two clamping grooves are formed in the first annular flange of the inner pipe joint along the circumferential direction, and two bulges are arranged on the second annular flange of the outer pipe joint along the circumferential direction.
Furthermore, the included angle between the two clamping grooves is 120 degrees, and the included angle between the two protrusions is also 120 degrees.
Further, each of the protrusions on the second annular flange of the outer pipe joint are formed by pressing the second annular flange radially inward of the outer pipe joint.
Further, the cutting ferrule is a plastic cutting ferrule.
Compared with the prior art, the beneficial effects of the utility model are that: the structure of the inner pipe joint, the outer pipe joint and the clamping sleeve is simplified, the connection and disassembly operation is simple, auxiliary tools are not needed, the assembly efficiency of the automobile air conditioner pipeline on an assembly line is improved, the maintenance is easy, and the cost is saved; the design of double O-shaped rings is adopted between the inner pipe joint and the outer pipe joint, so that the sealing performance and the safety of the automobile air conditioner pipeline are effectively improved.
Drawings
Fig. 1 is an exploded view of the present invention.
Fig. 2 is a sectional view of the inner pipe joint, the outer pipe joint and the O-ring of the present invention during assembly.
Fig. 3 is a right side view of fig. 2.
Fig. 4 is a schematic view of the assembled inner tube joint, outer tube joint and O-ring inserted ferrule of the present invention.
Fig. 5 is an assembly diagram of the present invention.
Fig. 6 is a right side view of fig. 5.
Fig. 7 is a cross-sectional view of the present invention.
The parts in the figures are numbered as follows:
1 inner pipe joint
101 first annular flange
102 card slot
2 outer pipe joint
201 second annular flange
202 of the convex
203 third annular flange
3O-shaped ring
4 card sleeve
401 half cutting ferrule
402 half a groove.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings to make it clear to those skilled in the art how to practice the invention. While the invention has been described in connection with its preferred embodiments, these embodiments are intended to be illustrative, and not to limit the scope of the invention.
Referring to fig. 1, a quick connector for an automobile air conditioner pipeline comprises an inner pipe connector 1, an outer pipe connector 2, two O-shaped rings 3 and a clamping sleeve 4.
Referring to fig. 1 to 3, the front and middle portions of the inner pipe joint 1 are inserted into the outer pipe joint 2; two annular grooves are axially arranged on the outer wall of the front part of the inner pipe joint 1, each annular groove is formed along the circumferential direction of the inner pipe joint 1, an O-shaped ring 3 is installed in each annular groove, and the double O-shaped rings 3 effectively improve the sealing property and the safety of an automobile air conditioner pipeline; the middle part of the inner pipe joint 1 is provided with a first annular flange 101 along the circumferential direction, the diameter of the middle part is expanded outwards, the outer wall of the first annular flange 101 is provided with two clamping grooves 102 along the circumferential direction, each clamping groove 102 is inwards concave along the radial direction of the inner pipe joint 1, and the included angle between the two clamping grooves 102 is 120 degrees.
Referring to fig. 1 to 3, the front end of the outer pipe joint 2 corresponds to the middle of the inner pipe joint 1, the front end of the outer pipe joint 2 is expanded with a second annular flange 201 along the circumferential direction, the inner diameter of the second annular flange 201 matches with the outer diameter of the first annular flange 101 of the inner pipe joint 1, and the transition between the rear end surface of the second annular flange 201 and the inner wall of the outer pipe joint 2 is pressed against the front end surface of the first annular flange 101; two bulges 202 are arranged on the second annular flange 201 along the circumferential direction, each bulge 202 is formed by extruding the second annular flange 201 inwards along the radial direction of the outer pipe joint 2, the included angle between the two bulges 202 is 120 degrees, and the two bulges are respectively matched with the two clamping grooves 102 on the first annular flange 101 of the inner pipe joint 1, so that the relative rotation of the inner pipe joint 1 and the outer pipe joint 2 is limited; the inner wall of the outer pipe joint 2 presses the two O-rings 3 at the front part of the inner pipe joint 1 to realize sealing, and the middle rear part of the outer pipe joint 2 is expanded outwards along the circumferential direction to form a third annular flange 203.
Referring to fig. 4 to 7, the connected inner pipe joint 1 and outer pipe joint 2 are placed in the ferrule 4, and the rear portions of the inner pipe joint 1 and outer pipe joint 2 respectively protrude from both ends of the ferrule 4; the ferrule 4 comprises two half ferrules 401, one sides of the two half ferrules 401 are hinged, the other sides of the two half ferrules 401 are connected in a buckling mode, a half groove 402 matched with the external structures of the inner pipe connector 1 and the outer pipe connector 2 is formed in the inner side of each half ferrule 401, the two ends of each half groove 402 are respectively used for extending out of the rear portions of the inner pipe connector 1 and the outer pipe connector 2, the inner wall of one end of each half groove 402 supports against the rear end face of the first annular flange 101 of the inner pipe connector 1 and the front end face of the second annular flange 201 of the outer pipe connector 2, and the inner wall of the other end of each half groove 402 supports against the rear end face of the third annular flange 203 of the outer pipe connector 2, so that the axial movement of the inner pipe connector.
In practical implementation, the two O-rings 3 and the inner pipe joint 1 can be assembled in advance; the materials and the process of the inner pipe joint 1 and the outer pipe joint 2 preferably meet the requirement that the insertion force of the inner pipe joint 1 inserted into the outer pipe joint 2 is less than or equal to 60N, the quick insertion is convenient to realize, and the actual installation requirement is met; the cutting ferrule 4 is a plastic cutting ferrule 4, which is easy to assemble and saves cost.
It should be noted that many variations and modifications of the embodiments of the present invention are possible, which are fully described, and are not limited to the specific examples of the above embodiments. The above embodiments are merely illustrative of the present invention and are not intended to limit the present invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (5)
1. A quick joint for an automobile air conditioner pipeline is characterized by comprising an inner pipe joint, an outer pipe joint, two O-shaped rings and a clamping sleeve;
the front part and the middle part of the inner pipe joint are inserted into the outer pipe joint, two annular grooves are axially arranged on the outer wall of the front part of the inner pipe joint, each annular groove is arranged along the circumferential direction of the inner pipe joint and is internally provided with an O-shaped ring, the middle part of the inner pipe joint is outwards expanded along the circumferential direction and is provided with a first annular flange, and the outer wall of the first annular flange is provided with a radially inwards-concave clamping groove;
the front end of the outer pipe joint corresponds to the middle of the inner pipe joint, a second annular flange is formed at the front end of the outer pipe joint in an outward expanding mode along the circumferential direction, the inner diameter of the second annular flange is matched with the outer diameter of the first annular flange of the inner pipe joint, the transition position of the rear end face of the second annular flange and the inner wall of the outer pipe joint is abutted against the front end face of the first annular flange, a radial inward convex bulge is arranged on the second annular flange, and the bulge is matched with a clamping groove in the first annular flange; the inner wall of the outer pipe joint extrudes two O-shaped rings at the front part of the inner pipe joint to realize sealing, and the middle rear part of the outer pipe joint is provided with a third annular flange along the circumferential direction;
the inner pipe joint and the outer pipe joint which are connected are arranged in the clamping sleeves, the rear portions of the inner pipe joint and the outer pipe joint respectively extend out of two ends of the clamping sleeves, each clamping sleeve comprises two half clamping sleeves, one sides of the two half clamping sleeves are hinged, the other sides of the two half clamping sleeves are connected in a buckling mode, a half groove matched with the outer structures of the inner pipe joint and the outer pipe joint is formed in the inner side of each half clamping sleeve, the two ends of the half groove respectively extend out of the rear portions of the inner pipe joint and the outer pipe joint, the inner wall of one end of each half groove supports against the rear end face of the first annular flange of the inner pipe joint and the front end face of the second annular flange of the outer pipe joint, and the inner wall of the other.
2. The quick coupling for automobile air conditioning pipelines according to claim 1, wherein two clamping grooves are formed in the first annular flange of the inner pipe coupling along the circumferential direction, and two protrusions are formed in the second annular flange of the outer pipe coupling along the circumferential direction.
3. The quick coupling for automobile air conditioning pipeline according to claim 2, characterized in that the included angle between the two clamping grooves is 120 degrees, and the included angle between the two protrusions is also 120 degrees.
4. The quick coupling for air conditioning lines of a motor vehicle of claim 1, 2 or 3, wherein each protrusion on the second annular flange of the outer tubular fitting is formed by the second annular flange being pressed radially inwardly of the outer tubular fitting.
5. The quick connector for automobile air conditioner pipelines as claimed in claim 1, wherein the ferrule is a plastic ferrule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140097.7U CN211231959U (en) | 2019-12-04 | 2019-12-04 | Quick joint for automobile air conditioner pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140097.7U CN211231959U (en) | 2019-12-04 | 2019-12-04 | Quick joint for automobile air conditioner pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211231959U true CN211231959U (en) | 2020-08-11 |
Family
ID=71916970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140097.7U Active CN211231959U (en) | 2019-12-04 | 2019-12-04 | Quick joint for automobile air conditioner pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211231959U (en) |
-
2019
- 2019-12-04 CN CN201922140097.7U patent/CN211231959U/en active Active
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