CN217951608U - Pipeline coupling assembling, air conditioning system and vehicle - Google Patents
Pipeline coupling assembling, air conditioning system and vehicle Download PDFInfo
- Publication number
- CN217951608U CN217951608U CN202222485003.1U CN202222485003U CN217951608U CN 217951608 U CN217951608 U CN 217951608U CN 202222485003 U CN202222485003 U CN 202222485003U CN 217951608 U CN217951608 U CN 217951608U
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- buckling
- sheath
- limiting
- section
- along
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 19
- 230000008878 coupling Effects 0.000 title claims description 21
- 238000010168 coupling process Methods 0.000 title claims description 21
- 238000005859 coupling reaction Methods 0.000 title claims description 21
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000002788 crimping Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000003507 refrigerant Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 210000003781 tooth socket Anatomy 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model provides a pipeline connecting assembly, an air conditioning system and a vehicle, wherein the pipeline connecting assembly comprises a pipe joint, a buckling sheath and a hose which are coaxially arranged; the pipe joint comprises an extension section and a connection section which are connected along the axial direction, the hose is sleeved on the connection section, and the buckling and pressing sheath is buckled and pressed on the outer peripheral wall of the hose; one end of the buckling and pressing sheath, which is close to the extending section, is provided with a sheath end wall, and the sheath end wall extends from the inner peripheral wall of the buckling and pressing sheath to the connecting section along the radial direction; be provided with sealed splenium and the spacing splenium of withholding on the perisporium of sheath, still be provided with the spacing groove on the periphery wall of linkage segment, spacing splenium and the spacing groove sets up along withholding the radial of sheath relatively, and spacing splenium is protruding including withholding, withholds protruding internal perisporium from the sheath end wall along withholding the radial extension of sheath and stretching into the spacing inslot, withholds protruding and spacing groove spacing cooperation in the axial and circumference. The pipeline connecting assembly can improve the sealing property and simultaneously can prevent axial pull-off and circumferential relative rotation.
Description
Technical Field
The utility model belongs to the technical field of the automotive technology and specifically relates to a coupling assembling of pipeline, air conditioning system and vehicle are related to.
Background
Along with the silence requirement to on-vehicle air conditioner, the lightweight requirement is higher and higher, on-vehicle air conditioner adopts automobile-used hose to compare traditional bellows, it is lighter to have a weight, the damping is respond well, the cost is lower characteristics, nevertheless sealed connection is weaker than in the leakproofness of brazing between hose and the air conditioner spiral groove pipe, at present often adopt aluminium to detain crimping hose and spiral groove pipeline spare, can play good sealing performance, nevertheless the hose differs with spiral groove pipeline spare crimping strength, can't guarantee pipeline crimping strength when the leakproofness is good.
The utility model provides a current pipe-line device for vehicle air conditioning system, adopt rubber tube and tubular metal resonator to withhold and be connected, adopt to prevent that the tooth increases the metal and withhold the frictional force between cover and the tubular metal resonator, thereby prevent the relative rotation between metal withhold cover and the tubular metal resonator, however, because prevent that the tooth is along axial extension, metal withhold cover and tubular metal resonator frictional force in the axial is little, cause axial to pull off easily, and simultaneously, in circumference, prevent that the tooth of tooth is little, when the great circumference revolving force of atress, the relative rotation probably takes place for metal withhold cover and tubular metal resonator, and cause the leakage of refrigerant.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose provides a can improve the leakproofness, can prevent simultaneously that the axial from drawing off and circumference relative rotation's pipeline coupling assembling.
A second object of the present invention is to provide an air conditioning system with the above pipe connection assembly.
The third objective of the present invention is to provide a vehicle with the above air conditioning system.
In order to achieve the first purpose, the utility model provides a pipeline connecting component, which comprises a pipe joint, a buckling and pressing sheath and a hose which are coaxially arranged; the pipe joint comprises an extension section and a connection section which are connected along the axial direction, a sealing groove is arranged on the outer peripheral wall of the connection section, the hose is sleeved on the connection section, and the buckling and pressing sheath is buckled and pressed on the outer peripheral wall of the hose; one end of the buckling and pressing sheath, which is close to the extending section, is provided with a sheath end wall, and the sheath end wall extends from the inner peripheral wall of the buckling and pressing sheath to the connecting section along the radial direction; the circumferential wall of the buckling and pressing sheath is provided with a sealing buckling part, and the sealing buckling part and the sealing groove are oppositely arranged along the radial direction of the buckling and pressing sheath; the outer peripheral wall of the connecting section is also provided with a limiting groove, the limiting groove is arranged close to the extending section, and the limiting groove is provided with two circumferential limiting walls opposite along the circumferential direction of the connecting section and two axial limiting walls opposite along the axial direction of the connecting section; still be provided with spacing withholding portion on withholding the perisporium of sheath, spacing withholding portion sets up along withholding the radial relative of sheath with the spacing groove, and spacing withholding portion is protruding including withholding, withholds protruding internal perisporium from the sheath end wall along withholding the radial extension of sheath and stretching into the spacing inslot, withholds protruding and two axial spacing walls and detains the axial upper limit position cooperation of sheath, withholds protruding and two circumference spacing walls and detains the circumference upper limit position cooperation of withholding the sheath.
According to the scheme, the pipe joint, the buckling sheath and the hose are assembled together and then placed into a mold for buckling, a sealing buckling part is formed on the buckling sheath at a position radially opposite to a sealing groove of the pipe joint to play a role in sealing, a limiting buckling part is formed on the buckling sheath at a position radially opposite to a limiting groove of the pipe joint, buckling protrusions of the limiting buckling part extend into the limiting groove and are in limiting fit with the limiting groove in the circumferential direction of the buckling sheath, the buckling sheath is prevented from rotating relative to the pipe joint in the circumferential direction, meanwhile, the buckling protrusions are in limiting fit with the limiting groove in the axial direction of the buckling sheath, the buckling sheath is prevented from being pulled off in the axial direction relative to the pipe joint in the axial direction, and therefore the stability and good sealing performance of the whole connection of the pipeline connection assembly are guaranteed. Even the withhold sheath receives great torsional force for the coupling and also can avoid both to take place relative rotation to guarantee pipeline coupling assembling's sealing performance to the at utmost, prevent that the refrigerant in the pipeline from revealing. Simultaneously, the limiting buckling part enables the bending part formed by buckling the peripheral wall of the sheath and the end wall of the sheath to deform downwards, the buckling protrusion reduces the fit clearance between the pipe joint and the buckling sheath, and when the assembly receives external acting force, the reaction force can be effectively provided, and the effect of enhancing the structural strength is achieved. The pipeline connecting assembly can form a sealed reliable structure after being formed, can meet the requirements of vibration reduction, silence and the like when being assembled on vehicle-mounted air conditioner pipeline systems such as parking air conditioners and the like, and meets the requirement of light weight.
One preferred scheme is that the end wall of the extension section far away from the connecting section is provided with a positioning mark; the positioning mark and the limiting groove are arranged in a right-to-side or staggered manner in the circumferential direction of the pipe joint.
Therefore, the positioning mark is arranged on the end wall of the extension section, so that when the assembled pipe joint, the buckling and pressing sheath and the hose are placed into a die, the teeth for forming the limiting buckling and pressing part on the die are opposite to the limiting groove.
One preferred scheme is that the number of the limiting grooves is more than two, and the limiting grooves are arranged at intervals along the circumferential direction of the connecting section; the number of the buckling protrusions is the same as that of the limiting grooves, and one buckling protrusion is in limiting fit with one limiting groove.
Therefore, the plurality of limiting grooves are sequentially arranged at intervals along the circumferential direction of the buckling and pressing sheath, so that more buckling and pressing protrusions can be formed at the limiting grooves when the buckling and pressing sheath is buckled, and the plurality of buckling and pressing protrusions are matched with the corresponding limiting grooves, so that the buckling and pressing sheath and the pipe joint can be better prevented from rotating relatively to cause refrigerant leakage.
The further scheme is that a positioning mark is arranged on the end wall of the extension section far away from the connecting section; the positioning mark and one of the limiting grooves are arranged in a facing manner or in a staggered manner in the circumferential direction of the pipe joint.
It can be seen that the positioning marks are arranged to facilitate the phase control of the pipe joints.
The further proposal is that more than two positioning marks are arranged on the end wall of the extension section far away from the connection section; one positioning mark and one limiting groove are arranged in a facing mode or a staggered mode in the circumferential direction of the pipe joint.
Therefore, the positioning marks are arranged, so that the phase of the pipe joint can be controlled conveniently, and the positioning accuracy can be further improved by the aid of the plurality of positioning marks.
Further, two positioning marks are arranged oppositely along the radial direction of the extension section.
Preferably, the positioning mark is recessed inwardly from the end wall of the extension section away from the connection section.
Therefore, the positioning mark is a groove, is easy to machine and is not easy to wear.
Preferably, the number of the sealing crimping portions is two or more, and the plurality of sealing crimping portions are arranged at intervals along the axial direction of the crimping sheath. The number of the sealing grooves is the same as that of the sealing buckling parts, and one sealing buckling part and one sealing groove are arranged oppositely along the radial direction of the buckling sheath.
Therefore, the sealing performance of connection between the buckling sheath and the joint can be further improved by the aid of the plurality of sealing buckling parts, and the reliability of long-term use of the pipeline connecting assembly is guaranteed.
Preferably, the sealing groove and the limiting groove both extend along the circumferential direction of the connecting section.
Preferably, the pipe joint and the crimping sheath are made of a metal material, and the hose is made of a rubber material.
Preferably, the outer diameter of the extension section is larger than that of the connection section, and the jacket end wall is in contact with the extension section in the axial direction of the crimping jacket.
Therefore, the convex shoulder at the connecting position of the extension section and the connecting section can axially limit the end wall of the sheath, and the outer diameter of the extension section is large, so that the end wall of the sheath can be prevented from being deformed, and the axial pull-out can be further prevented.
In order to realize the second purpose, the utility model provides an air conditioning system, including air conditioner pipeline and foretell pipeline coupling assembling, the air conditioner pipeline passes through pipeline coupling assembling and connects.
To achieve the third objective, the present invention provides a vehicle, which includes the above air conditioning system.
Drawings
Fig. 1 is a structural diagram of an air conditioning pipeline and a pipeline connecting assembly in an embodiment of the air conditioning system of the present invention.
Fig. 2 is a sectional view of an air conditioning pipeline and a pipeline connecting assembly in an embodiment of the air conditioning system of the present invention.
Fig. 3 is a perspective view of a first viewing angle of the pipe joint in the embodiment of the pipe connection assembly of the present invention.
Fig. 4 is a perspective view of a second viewing angle of the pipe joint in the embodiment of the pipe connection assembly of the present invention.
Fig. 5 is a structural diagram of the buckling sheath in the embodiment of the pipeline connecting assembly of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
The vehicle in this embodiment is the car, and the vehicle includes air conditioning system, and air conditioning system includes air conditioner pipeline and pipeline coupling assembling, and the air conditioner pipeline passes through pipeline coupling assembling and connects.
Referring to fig. 1 and 2, in the present embodiment, the pipe connecting assembly includes a pipe joint 1, a crimping sheath 2 and a hose 3 which are coaxially arranged. The pipe joint 1 and the crimping sleeve 2 are both made of a metal material, alternatively, the pipe joint 1 is made of copper, the crimping sleeve 2 is made of aluminum, and the hose 3 is a hose made of a rubber material.
Referring to fig. 2 to 5, the pipe joint 1 includes an extension section 11 and a connection section 12 connected in an axial direction, the hose 3 is sleeved on the connection section 12, and the crimping sheath 2 is crimped on the outer circumferential wall of the hose 3. The outer diameter of the extension section 11 is larger than the outer diameter of the connection section 12. Eight limiting grooves 121 and three sealing grooves 122 are arranged on the outer peripheral wall of the connecting section 12, the eight limiting grooves 121 are arranged at intervals along the circumferential direction of the connecting section 12, the three sealing grooves 122 are arranged at intervals along the axial direction of the connecting section 12, and the sealing grooves 122 and the limiting grooves 121 extend along the circumferential direction of the connecting section 12.
The limiting groove 121 is arranged close to the extending section 11, the limiting groove 121 is provided with two circumferential limiting walls 123 opposite along the circumferential direction of the connecting section 12 and two axial limiting walls 124 opposite along the axial direction of the connecting section 12, and the limiting groove 121 is arranged close to the axial limiting walls 124 of the extending section 11 and coplanar with the end wall of the extending section 11.
Withhold the sheath 2 and be cylindricly, the one end of withholding the sheath 2 and being close to extension section 11 is provided with sheath end wall 21, sheath end wall 21 extends along withholding the radial linkage segment 12 from withholding the internal perisporium of sheath 2, sheath end wall 21 and the axial contact of extension section 11 along withholding sheath 2 of coupling 1, be provided with spacing withholding portion 23 and three sealed withholding portion 22 on withholding the perisporium of sheath 2, three sealed withholding portion 22 is along withholding the axial interval arrangement of sheath 2, a sealed withholding portion 22 sets up along withholding the radial of sheath 2 with a seal groove 122 relatively, spacing withholding portion 23 sets up along withholding the radial of sheath 2 relatively with spacing groove 121.
The limiting pressing part 23 comprises eight pressing protrusions 231, the pressing protrusions 231 all extend from the inner peripheral wall of the sheath end wall 21 along the radial direction of the pressing sheath 2 and extend into the limiting grooves 121, the number of the pressing protrusions 231 is the same as that of the limiting grooves 121, and one pressing protrusion 231 is in limiting fit with one limiting groove 121. Each buckling protrusion 231 is in limiting fit with the two axial limiting walls 124 in the corresponding limiting groove 121 in the axial direction of the buckling sheath 2, and each buckling protrusion 231 is in limiting fit with the two circumferential limiting walls 123 in the corresponding limiting groove 121 in the circumferential direction of the buckling sheath 2.
Two positioning marks 13 are arranged on the end wall of the extension section 11 far away from the connection section 12, the two positioning marks 13 are arranged oppositely along the radial direction of the extension section 11, and the positioning marks 13 are inwards recessed from the end wall of the extension section 11 far away from the connection section 12. The positioning mark 13 and the limiting groove 121 are arranged in a staggered manner in the circumferential direction of the pipe joint 1, that is, the positioning mark 13 corresponds to two tooth sockets of the mold, the mold is provided with teeth for forming the limiting pressing part 23, and the adjacent two tooth sockets form the tooth sockets. By arranging the positioning mark 13 on the end wall of the extension section 11, when the assembled pipe joint 1, the buckling sheath 2 and the hose 3 are placed in a die, teeth for forming the limiting buckling part 23 on the die are opposite to the limiting groove 121.
It is thus clear that the coupling, put into the mould behind withholding sheath and the hose assembly and withhold, withhold and formed sealed withholding splenium on the position radially relative with the seal groove of coupling on the sheath, play sealed effect, withhold and formed spacing withholding splenium on the sheath on the position radially relative with the spacing groove of coupling, spacing withholding the withholding protruding stretch into the spacing inslot and with spacing groove spacing cooperation on the circumference of withholding the sheath, prevent in circumference withholding the sheath and rotate for the coupling, and simultaneously, withholding protruding and spacing groove spacing cooperation on the axial of withholding the sheath, prevent in the axial that withholding the sheath and for the coupling to pull out in the axial, thereby pipeline coupling assembling integral connection's stability and good leakproofness have been guaranteed. Even the buckling sheath can be prevented from rotating relatively to the pipe joint under the action of larger torsional force, so that the sealing performance of the pipeline connecting assembly is ensured to the maximum extent, and the leakage of refrigerant in the pipeline is prevented. Simultaneously, the limiting buckling part enables the bending part formed by buckling the peripheral wall of the sheath and the end wall of the sheath to deform downwards, the buckling protrusion reduces the fit clearance between the pipe joint and the buckling sheath, when the assembly receives external acting force, reaction force can be effectively provided, and the effect of enhancing structural strength is achieved. The pipeline connecting assembly can form a sealed reliable structure after being formed, can meet the requirements of vibration reduction, silence and the like when being assembled on vehicle-mounted air conditioner pipeline systems such as a parking air conditioner and the like, and meets the requirement of light weight.
Further, the vehicle may be a passenger car, a ship, or the like. The number, shape, size, arrangement pitch, and the like of the seal grooves and the seal crimping portions may also be changed as needed. The number of the positioning marks can be one or more than two. The positioning mark may also be a protrusion protruding outward from the end wall of the sheath, or may be a mark adhered or engraved on the end wall of the sheath. The number of the limiting grooves can be one or more than two. The positioning mark and the limiting groove can be arranged in a right-to-side or staggered manner in the circumferential direction of the pipe joint. The number of the positioning identifiers can also be one or more than two. The two positioning marks can also not be oppositely arranged along the radial direction of the pipe joint, and when one positioning mark is arranged, the positioning mark and one limiting groove are arranged in a facing manner or in a staggered manner in the circumferential direction of the pipe joint; when the number of the positioning marks is more than two, one positioning mark and one limiting groove are arranged in a right-facing manner or in a staggered manner in the circumferential direction of the pipe joint. The above changes also enable the object of the present invention to be achieved.
Finally, it should be emphasized that the above-described is merely a preferred embodiment of the present invention, and is not intended to limit the invention, as various changes and modifications may be made by those skilled in the art, and any changes, equivalents, modifications, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
Claims (13)
1. The pipeline connecting assembly comprises a pipe joint, a buckling and pressing sheath and a hose which are coaxially arranged;
the pipe joint comprises an extension section and a connecting section which are connected along the axial direction, a sealing groove is formed in the outer peripheral wall of the connecting section, the hose is sleeved on the connecting section, and the buckling and pressing sheath is buckled and pressed on the outer peripheral wall of the hose;
one end, close to the extending section, of the buckling and pressing sheath is provided with a sheath end wall, and the sheath end wall extends from the inner peripheral wall of the buckling and pressing sheath to the connecting section in the radial direction;
a sealing buckling part is arranged on the peripheral wall of the buckling sheath, and the sealing buckling part and the sealing groove are oppositely arranged along the radial direction of the buckling sheath;
the method is characterized in that:
the peripheral wall of the connecting section is also provided with a limiting groove, the limiting groove is arranged close to the extending section, and the limiting groove is provided with two circumferential limiting walls opposite along the circumferential direction of the connecting section and two axial limiting walls opposite along the axial direction of the connecting section;
the buckling and pressing device is characterized in that a limiting buckling part is further arranged on the peripheral wall of the buckling and pressing sheath, the limiting buckling part and the limiting groove are oppositely arranged along the radial direction of the buckling and pressing sheath, the limiting buckling part comprises buckling protrusions, the buckling protrusions extend into the limiting groove from the inner peripheral wall of the end wall of the sheath along the radial direction of the buckling and pressing sheath, the buckling protrusions are in limiting fit with the two axial limiting walls in the axial direction of the buckling and pressing sheath, and the buckling protrusions are in limiting fit with the two circumferential limiting walls in the circumferential direction of the buckling and pressing sheath.
2. The conduit coupling assembly of claim 1, wherein:
the end wall of the extension section, which is far away from the connection section, is provided with a positioning mark;
the positioning mark and the limiting groove are arranged in the circumferential direction of the pipe joint in a facing mode or in a staggered mode.
3. The conduit coupling assembly of claim 1, wherein:
the number of the limiting grooves is more than two, and the limiting grooves are arranged at intervals along the circumferential direction of the connecting section;
the number of the buckling protrusions is the same as that of the limiting grooves, and one buckling protrusion is in limiting fit with one limiting groove.
4. The conduit coupling assembly of claim 3, wherein:
the end wall of the extension section, which is far away from the connecting section, is provided with a positioning mark;
the positioning mark and one of the limiting grooves are arranged in the circumferential direction of the pipe joint in a facing mode or in a staggered mode.
5. The conduit coupling assembly of claim 3, wherein:
the end wall of the extension section, which is far away from the connecting section, is provided with more than two positioning marks;
one positioning mark and one limiting groove are arranged in a facing mode or a staggered mode in the circumferential direction of the pipe joint.
6. The conduit connection assembly of claim 5, wherein:
wherein two of the positioning marks are arranged oppositely along the radial direction of the extension section.
7. A conduit connection assembly according to any one of claims 2 or 4 to 6, wherein:
the positioning mark is inwards recessed from the end wall of the extending section far away from the connecting section.
8. A conduit connection assembly according to any one of claims 1 to 6, wherein:
the number of the sealing buckling parts is more than two, and the sealing buckling parts are arranged at intervals along the axial direction of the buckling sheath;
the number of the sealing grooves is the same as that of the sealing buckling parts, and one sealing buckling part and one sealing groove are arranged oppositely along the radial direction of the buckling sheath.
9. A conduit connection assembly according to any one of claims 1 to 6, wherein:
the seal groove and the limit groove extend along the circumferential direction of the connecting section.
10. A conduit connection assembly according to any one of claims 1 to 6, wherein:
the pipe joint and the buckling and pressing sheath are both made of metal materials, and the hose is made of rubber materials.
11. A conduit connection assembly according to any one of claims 1 to 6, wherein:
the outer diameter of the extension section is larger than that of the connecting section, and the sheath end wall is in contact with the extension section along the axial direction of the crimping sheath.
12. Air conditioning system, characterized in that it comprises an air conditioning line and a line connection assembly according to any one of claims 1 to 11, said air conditioning line being connected by said line connection assembly.
13. Vehicle, characterized in that it comprises an air conditioning system according to claim 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485003.1U CN217951608U (en) | 2022-09-19 | 2022-09-19 | Pipeline coupling assembling, air conditioning system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222485003.1U CN217951608U (en) | 2022-09-19 | 2022-09-19 | Pipeline coupling assembling, air conditioning system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217951608U true CN217951608U (en) | 2022-12-02 |
Family
ID=84213044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222485003.1U Active CN217951608U (en) | 2022-09-19 | 2022-09-19 | Pipeline coupling assembling, air conditioning system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217951608U (en) |
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2022
- 2022-09-19 CN CN202222485003.1U patent/CN217951608U/en active Active
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