CN220082312U - Pipe connection assembly and heat exchanger - Google Patents
Pipe connection assembly and heat exchanger Download PDFInfo
- Publication number
- CN220082312U CN220082312U CN202321569942.2U CN202321569942U CN220082312U CN 220082312 U CN220082312 U CN 220082312U CN 202321569942 U CN202321569942 U CN 202321569942U CN 220082312 U CN220082312 U CN 220082312U
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- pipe body
- pipe
- wall surface
- bending part
- annular space
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- 238000005452 bending Methods 0.000 claims abstract description 48
- 238000007789 sealing Methods 0.000 claims abstract description 35
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 230000002349 favourable effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000926 separation method Methods 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 and a heat exchanger, which comprise a first pipe body and a second pipe body, wherein the first pipe body is sleeved on the second pipe body, the pipeline connecting assembly further comprises a sealing ring, the sealing ring is arranged between the inner wall surface of the first pipe body and the outer wall surface of the second pipe body, an annular space is formed by surrounding the overlapped part of the first pipe body and the second pipe body, a first bending part is arranged at the end part of the first pipe body, the first bending part bends towards the direction deviating from the second pipe body, and the edge of the first bending part is positioned at one side of the first pipe body far away from the annular space; the end of the second pipe body is provided with a second bending part, the second bending part bends towards the direction away from the inner wall surface of the first pipe body, and the edge of the second bending part is positioned at one side of the second pipe body away from the annular space. The edges of the ends of the first pipe body and the second pipe body may have burrs, and the burrs which may exist are located on one side, away from the annular space, of the first pipe body and the second pipe body respectively, so that the risk that the burrs scratch the sealing ring is reduced.
Description
Technical Field
The present utility model relates to a pipe connection assembly and a heat exchanger.
Background
The heat exchange tubes and water inlet and outlet tubes of a heat exchanger are typically made of stainless steel, and during processing, the tube ports may have cut burrs. In order to ensure the tightness of the connection between the heat exchanger and the water inlet and outlet pipe, the water inlet and outlet pipe can be inserted into the heat exchange pipe, and the sealing ring is sleeved outside the water inlet and outlet pipe, so that the liquid in the heat exchanger is prevented from leaking from the connection part of the heat exchange pipe and the water inlet and outlet pipe. The sealing ring is easy to be scratched by the burr edge of the pipeline opening, and the connection tightness between the heat exchange pipe and the water inlet and outlet pipe is affected.
Disclosure of Invention
The utility model aims to overcome the defect that a sealing ring is easily scratched by a burr edge of a pipeline in the prior art, and provides a pipeline connecting assembly and a heat exchanger, wherein the defect influences the connection tightness between a heat exchange pipe and a water inlet and outlet pipe.
The utility model solves the technical problems by the following technical scheme:
the pipeline connecting assembly comprises a first pipe body and a second pipe body, wherein the inner diameter of the first pipe body is larger than the outer diameter of the second pipe body, the first pipe body is sleeved on the second pipe body, the pipeline connecting assembly further comprises a sealing ring, the sealing ring is arranged between the inner wall surface of the first pipe body and the outer wall surface of the second pipe body,
an annular space is formed by the overlapping part of the first pipe body and the second pipe body,
the end part of the first pipe body is provided with a first bending part, the first bending part bends towards the direction deviating from the second pipe body, and the edge of the first bending part is positioned at one side of the first pipe body away from the annular space;
the end part of the second pipe body is provided with a second bending part, the second bending part bends towards the direction away from the inner wall surface of the first pipe body, and the edge of the second bending part is positioned at one side of the second pipe body away from the annular space.
In this scheme, there may be the burr at the edge of first body and second body tip for the burr that possibly exists is located the one side that annular space was kept away from to first body and second body respectively through setting up first kink and second kink, and the tip that first body and second body are relative when being connected is smooth surface, reduces the risk that the burr lacerated the sealing ring, influences the connection leakproofness between first body and the second body.
Preferably, the second bending part bends outwards along the outer wall surface of the second pipe body and bends towards a direction away from the annular space; the maximum outer diameter of the second bending part is attached to the inner wall surface of the first pipe body.
In the scheme, the second bending part is bent outwards along the outer wall surface of the second pipe body, the maximum outer diameter of the second bending part is attached to the inner wall surface of the first pipe body, so that an annular space is conveniently reserved between the first pipe body and the second pipe body, the burr edge is blocked from contacting with the sealing ring by utilizing the structure of the second bending part, the risk that the burr breaks the sealing ring and the connection tightness between the first pipe body and the second pipe body is influenced is reduced; and meanwhile, the second pipe body is fixed relative to the first pipe body, so that the first pipe body and the second pipe body are connected conveniently.
Preferably, the first bending portion is bent outwards along the outer wall surface of the first pipe body and then is bent in a direction away from the second pipe body.
In this scheme, through above-mentioned setting, utilize the structure separation burr edge and the sealing ring contact of first kink, reduce the burr and scratch the sealing ring, influence the risk of the connection leakproofness between first body and the second body.
Preferably, the pipe connecting assembly comprises a buckle, the buckle comprises a first clamping part, a second clamping part and a slot, the first clamping part is attached to the outer side wall of the first pipe body, the second clamping part is attached to the outer side wall of the second pipe body, the first clamping part and the second clamping part are located at two sides of the slot in the axial direction of the first pipe body, and the first bending part penetrates through the slot.
In this scheme, carry out spacingly through the relative position between first kink to buckle and first body, the second body, realize buckle and first body, the fixed of second body through first block portion and second block portion, increase the connection reliability between first body and the second body.
Preferably, the inner diameter of the first engaging portion is larger than the inner diameter of the second engaging portion.
In this scheme, through above-mentioned setting, be favorable to first block portion laminating and press from both sides the lateral wall of tight first body, second block portion laminating and press from both sides the lateral wall of tight second body, be favorable to buckle and first body, the fixed of second body, increase the connection reliability between first body and the second body.
Preferably, the buckle comprises a first limiting part and a second limiting part, the first limiting part and the second limiting part are respectively arranged on two sides of the first clamping part and the second clamping part in the radial direction of the first pipe body, and the inner diameter of the first limiting part and the inner diameter of the second limiting part are smaller than the outer diameter of the second pipe body.
In this scheme, first spacing portion and second spacing portion set up respectively in first block portion and second block portion in the radial both sides of first body and/or second body, carry out spacingly to the radial relative position of buckle at first body and/or second body, be favorable to buckle and first body, the fixed of second body, increase the connection reliability between first body and the second body.
Preferably, the buckle includes an opening portion, the opening portion extends to two sides of the first limiting portion, and the opening portion, the first limiting portion, the first clamping portion or the second clamping portion, and the second limiting portion are sequentially connected.
In this scheme, through above-mentioned setting, the buckle can be followed radially and inserted with first body and/or second body and establish and be connected, and the setting of buckle of being convenient for just is convenient for first kink and passes the fluting, carries out spacingly in the axial of first body and/or second body to the buckle, is favorable to the fixed of buckle and first body, second body, increases the connection reliability between first body and the second body.
Preferably, the pipe connecting assembly comprises a fixing ring, the fixing ring is sleeved on the second pipe body and located on one side, away from the end portion of the second pipe body, of the sealing ring, and the fixing ring is arranged in the annular space, and the outer side wall of the fixing ring is attached to the inner wall surface of the first pipe body.
In the scheme, the inner wall surface of the fixing ring is attached to the outer wall surface of the second pipe body, the outer wall surface of the fixing ring is attached to the inner wall surface of the first pipe body, the relative positions of the first pipe body and the second pipe body are fixed in the axial direction through the fixing ring, the risk of loosening of the first pipe body relative to the second pipe body is reduced, and connection reliability between the first pipe body and the second pipe body is facilitated; the fixed ring is spacing to the sealing ring, reduces the sealing ring and slips the risk that loosens for first body and second body, is favorable to the connection leakproofness between first body and the second body.
Preferably, the second pipe body comprises a protruding portion, the protruding portion protrudes outwards along the circumferential direction of the outer wall surface of the second pipe body, and the fixing ring is sleeved on the protruding portion.
In the scheme, the bulge is arranged to realize expansion connection between the fixed ring and the second pipe body, so that the connection reliability between the fixed ring and the second pipe body is improved; and the extrusion force is generated on the fixed ring through the protruding part, so that the connection between the fixed ring and the first pipe body is tighter, and the connection reliability between the first pipe body and the second pipe body is improved.
A heat exchanger comprising the above-described pipe connection assembly, wherein one of the first pipe body and the second pipe body is a heat exchange pipe of the heat exchanger, and the other is a water inlet pipe or a water outlet pipe.
In this scheme, there may be the burr at the edge of heat exchange tube and inlet tube and/or outlet pipe tip for the burr that possibly exists is located the one side that annular space was kept away from respectively to heat exchange tube and inlet tube and/or outlet pipe through setting up first kink and second kink, and the opposite tip is smooth surface when connecting heat exchange tube and inlet tube and/or outlet pipe, reduces the burr and breaks the sealing ring, influences the risk of the connection leakproofness between heat exchange tube and inlet tube and/or the outlet pipe.
The utility model has the positive progress effects that: the edge of first body and second body tip probably has the burr, through setting up first kink and second kink for the burr that probably exists is located the one side that annular space was kept away from to first body and second body respectively, and relative tip is smooth surface when connecting with the second body to first body, reduces the burr and lacerates the sealing ring, influences the risk of connection leakproofness between first body and the second body.
Drawings
Fig. 1 is a schematic structural view of a pipe connection assembly according to an embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of the pipe connection assembly shown in fig. 1 in a radial direction of the first pipe body.
Fig. 3 is an enlarged partial schematic view of the pipe coupling assembly shown in fig. 2.
Fig. 4 is a schematic structural view of a heat exchanger according to an embodiment of the present utility model.
Pipe coupling assembly 100
First pipe body 1
First bending part 11
Edge 111 of the first bending part
Inner wall surface 12 of first pipe body
Second pipe body 2
Second bending part 21
Edge 211 of the second bending part
Projection 22
The outer wall surface 23 of the second pipe body
Sealing ring 3
Buckle 4
First engaging portion 41
Second engaging portion 42
Slotting 43
First limit part 44
Second limit part 45
Opening portion 46
Fixing ring 5
Annular space 6
Heat exchanger 200
Detailed Description
The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments are shown.
The utility model provides a pipeline connecting assembly 100, as shown in fig. 2 and 3, which comprises a first pipe body 1 and a second pipe body 2, wherein the inner diameter of the first pipe body 1 is larger than the outer diameter of the second pipe body 2, the first pipe body 1 is sleeved on the second pipe body 2, the pipeline connecting assembly 100 also comprises a sealing ring 3, the sealing ring 3 is arranged between the inner wall surface 12 of the first pipe body and the outer wall surface 23 of the second pipe body, an annular space 6 is enclosed at the overlapping part of the first pipe body 1 and the second pipe body 2, the end part of the first pipe body 1 is provided with a first bending part 11, the first bending part 11 is bent towards the direction deviating from the second pipe body 2, and the edge 111 of the first bending part is positioned at one side of the first pipe body 1 far away from the annular space 6; the end of the second pipe body 2 has a second bending portion 21, the second bending portion 21 is bent in a direction away from the inner wall surface 12 of the first pipe body, and an edge 211 of the second bending portion is located at a side of the second pipe body 2 away from the annular space 6.
In the manufacturing process, the pipeline generally adopts the mode of cutting to intercept required length, therefore the edge of first body 1 and second body 2 tip probably has the burr, through setting up first kink 11 and second kink 21 for the burr that probably exists is located the one side that annular space 6 was kept away from to first body 1 and second body 2 respectively, and the opposite tip is smooth surface when connecting to first body 1 and second body 2, reduces the burr and breaks sealing ring 3, influences the risk of the connection leakproofness between first body 1 and the second body 2. In the specific implementation, the sealing ring 3 is made of rubber, and the first pipe body 1 and the second pipe body 2 are stainless steel pipes.
As a preferred embodiment, as shown in fig. 2 and 3, the second bending part 21 is bent along the outer wall surface 23 of the second pipe body and then bent away from the annular space 6; the second bending portion 21 is attached to the inner wall surface 12 of the first pipe body at its maximum outer diameter. The second bending part 21 is bent outwards along the outer wall surface 23 of the second pipe body, the maximum outer diameter of the second bending part 21 is attached to the inner wall surface 12 of the first pipe body, so that an annular space 6 is conveniently reserved between the first pipe body 1 and the second pipe body 2, the burr edge is blocked from contacting with the sealing ring 3 by utilizing the structure of the second bending part 21, the risk that the burr breaks the sealing ring 3 and the connection tightness between the first pipe body 1 and the second pipe body 2 is affected is reduced; simultaneously, the second pipe body 2 is fixed relative to the first pipe body 1, and the connection between the first pipe body 1 and the second pipe body 2 is facilitated.
As a preferred embodiment, as shown in fig. 2, the first bending portion 11 is bent outward along the outer wall surface of the first pipe body 1 and then is bent in a direction away from the second pipe body 2. The structure of the first bending part 11 is utilized to prevent the burr edge from contacting with the sealing ring 3, so that the risk that the burr scratches the sealing ring 3 and influences the connection tightness between the first pipe body 1 and the second pipe body 2 is reduced.
As a preferred embodiment, as shown in fig. 1 and 2, the pipe connection assembly 100 includes a buckle 4, where the buckle 4 includes a first engaging portion 41, a second engaging portion 42 and a slot 43, the first engaging portion 41 is attached to an outer sidewall of the first pipe body 1, the second engaging portion 42 is attached to an outer sidewall of the second pipe body 2, the first engaging portion 41 and the second engaging portion 42 are located at two sides of the slot 43 in an axial direction of the first pipe body 1, and the first bending portion 11 passes through the slot 43. The relative positions between the buckle 4 and the first pipe body 1 and the second pipe body 2 are limited through the first bending part 11, the buckle 4 and the first pipe body 1 and the second pipe body 2 are fixed through the first clamping part 41 and the second clamping part 42, and the connection reliability between the first pipe body 1 and the second pipe body 2 is improved. In this embodiment, the buckle 4 is integrally formed with elastic material, and the first engaging portion 41 and the first pipe body 1, and the second engaging portion 42 and the second pipe body 2 are clamped and fixed by the elasticity of the buckle 4. In other alternative embodiments, the buckle 4 may be made of a rigid material, and the elastic member is provided to achieve the clamping and fixing between the first clamping portion 41 and the first pipe body 1, and between the second clamping portion 42 and the second pipe body 2.
In a preferred embodiment, the inner diameter of the first engaging portion 41 is larger than the inner diameter of the second engaging portion 42. Through the arrangement, the first clamping part 41 is beneficial to being attached to and clamping the outer side wall of the first pipe body 1, the second clamping part 42 is beneficial to being attached to and clamping the outer side wall of the second pipe body 2, the fixing of the clamping buckle 4 and the first pipe body 1 and the second pipe body 2 is beneficial to increasing the connection reliability between the first pipe body 1 and the second pipe body 2.
As a preferred embodiment, as shown in fig. 1, the buckle 4 includes a first limiting portion 44 and a second limiting portion 45, the first limiting portion 44 and the second limiting portion 45 are respectively disposed on two sides of the first engaging portion 41 and the second engaging portion 42 in the radial direction of the first pipe body 1, and an inner diameter of the first limiting portion 44 and an inner diameter of the second limiting portion 45 are smaller than an outer diameter of the second pipe body 2. The first limiting portion 44 and the second limiting portion 45 are respectively disposed on two sides of the first clamping portion 41 and the second clamping portion 42 in the radial direction of the first pipe body 1 and/or the second pipe body 2, limit the relative positions of the buckle 4 in the radial direction of the first pipe body 1 and/or the second pipe body 2, facilitate fixing of the buckle 4 and the first pipe body 1 and the second pipe body 2, and increase connection reliability between the first pipe body 1 and the second pipe body 2.
In a preferred embodiment, the buckle 4 includes an opening 46, the opening 46 extends to both sides of the first stopper 44, and the opening 46, the first stopper 44, the first engaging portion 41, or the second engaging portion 42, and the second stopper 45 are connected in order. Through the above-mentioned setting, buckle 4 can insert from radial with first body 1 and/or second body 2 and establish and be connected, the setting of buckle 4 of being convenient for, and be convenient for first kink 11 pass fluting 43, carry out spacingly to buckle 4 in the axial of first body 1 and/or second body 2, be favorable to buckle 4 and first body 1, the fixed of second body 2, increase the connection reliability between first body 1 and the second body 2.
In this embodiment, the buckle 4 is made of elastic material and is integrally formed, and when the buckle 4 is connected, the first limiting portions 44 on two sides are squeezed out through the elasticity of the buckle 4, so as to realize clamping and fixing between the first clamping portion 41 and the first pipe body 1, and between the second clamping portion 42 and the second pipe body 2. In other alternative embodiments, the buckle 4 may be made of a rigid material, and the elastic member is provided to achieve the clamping and fixing between the first clamping portion 41 and the first pipe body 1, and between the second clamping portion 42 and the second pipe body 2, and when the buckle 4 is connected, the opening 46 is opened against the elastic force of the elastic member, so that the distance between the first limiting portions 44 on two sides is greater than the outer diameters of the first pipe body 1 and the second pipe body 2, and the clamping and fixing between the first clamping portion 41 and the first pipe body 1, and between the second clamping portion 42 and the second pipe body 2 are achieved.
As a preferred embodiment, as shown in fig. 2, the pipe connection assembly 100 includes a fixing ring 5, the pipe connection assembly 100 includes the fixing ring 5, the fixing ring 5 is sleeved on the second pipe body 2 and is located at one side of the end portion of the sealing ring 3 away from the second pipe body 2, the fixing ring 5 is disposed in the annular space 6, and the outer side wall of the fixing ring 5 is attached to the inner wall surface 12 of the first pipe body. The inner wall surface of the fixed ring 5 is attached to the outer wall surface 23 of the second pipe body, the outer wall surface of the fixed ring 5 is attached to the inner wall surface 12 of the first pipe body, the relative positions of the first pipe body 1 and the second pipe body 2 are fixed in the axial direction through the fixed ring 5, the risk of loosening of the first pipe body 1 relative to the second pipe body 2 is reduced, and the connection reliability between the first pipe body 1 and the second pipe body 2 is facilitated; the fixed ring 5 is used for limiting the sealing ring 3, so that the risk of sliding and loosening of the sealing ring 3 relative to the first pipe body 1 and the second pipe body 2 is reduced, and the connection tightness between the first pipe body 1 and the second pipe body 2 is facilitated.
As a preferred embodiment, as shown in fig. 2, the second pipe body 2 includes a protruding portion 22, the protruding portion 22 protrudes outwards along the circumferential direction of the outer wall surface 23 of the second pipe body, and the fixing ring 5 is sleeved on the protruding portion 22. By arranging the protruding part 22, the expansion type connection between the fixed ring 5 and the second pipe body 2 is realized, and the connection reliability between the fixed ring 5 and the second pipe body 2 is improved; and the extrusion force is generated on the fixed ring 5 through the bulge 22, so that the connection between the fixed ring 5 and the first pipe body 1 is tighter, and the connection reliability between the first pipe body 1 and the second pipe body 2 is improved.
The present utility model also provides a heat exchanger 200, as shown in fig. 1 to 4, the heat exchanger 200 includes the above-mentioned pipe connection assembly 100, wherein one of the first pipe body 1 and the second pipe body 2 is a heat exchange pipe of the heat exchanger 200, and the other is a water inlet pipe or a water outlet pipe. Burrs may exist on the edges of the ends of the heat exchange tube and the water inlet tube and/or the water outlet tube, and the first bending part 11 and the second bending part 21 are arranged, so that the burrs possibly exist are respectively located on one side, far away from the annular space 6, of the heat exchange tube and the water inlet tube and/or the water outlet tube, opposite ends of the heat exchange tube and the water inlet tube and/or the water outlet tube are smooth surfaces when the heat exchange tube and the water inlet tube and/or the water outlet tube are connected, and the risk that the burrs scratch the sealing ring 3 and affect the connection tightness between the heat exchange tube and the water inlet tube and/or the water outlet tube is reduced.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.
Claims (10)
1. The pipeline connecting assembly comprises a first pipe body and a second pipe body, wherein the inner diameter of the first pipe body is larger than the outer diameter of the second pipe body, the first pipe body is sleeved on the second pipe body, the pipeline connecting assembly further comprises a sealing ring, the sealing ring is arranged between the inner wall surface of the first pipe body and the outer wall surface of the second pipe body, the pipeline connecting assembly is characterized in that,
the first pipe body and the second pipe body are overlapped and enclose an annular space, and the sealing ring is arranged in the annular space;
the end part of the first pipe body is provided with a first bending part, the first bending part bends towards the direction deviating from the second pipe body, and the edge of the first bending part is positioned at one side of the first pipe body away from the annular space;
the end part of the second pipe body is provided with a second bending part, the second bending part bends towards the direction away from the inner wall surface of the first pipe body, and the edge of the second bending part is positioned at one side of the second pipe body away from the annular space.
2. The pipe coupling assembly of claim 1, wherein the second bend is bent in a direction away from the annular space after being bent outwardly along an outer wall surface of the second pipe body; the maximum outer diameter of the second bending part is attached to the inner wall surface of the first pipe body.
3. The pipe coupling assembly of claim 1, wherein the first bend is bent outwardly along an outer wall surface of the first pipe body and then in a direction away from the second pipe body.
4. A pipe coupling assembly according to claim 3, wherein the pipe coupling assembly comprises a clasp comprising a first clasp portion, a second clasp portion and a slot, wherein the first clasp portion is attached to the outer side wall of the first pipe body, the second clasp portion is attached to the outer side wall of the second pipe body, the first clasp portion and the second clasp portion are located on two sides of the slot in the axial direction of the first pipe body, and the first bending portion passes through the slot.
5. The pipe coupling assembly of claim 4, wherein the first engagement portion has an inner diameter that is greater than an inner diameter of the second engagement portion.
6. The pipe coupling assembly of claim 5, wherein the clasp comprises a first spacing portion and a second spacing portion, the first spacing portion and the second spacing portion being disposed on two sides of the first engagement portion and the second engagement portion in a radial direction of the first pipe body, respectively, an inner diameter of the first spacing portion and an inner diameter of the second spacing portion being smaller than an outer diameter of the second pipe body.
7. The pipe coupling assembly of claim 6, wherein the clasp comprises an opening extending to either side of the first stop, the opening, the first stop, the first engagement or the second engagement, the second stop being connected in sequence.
8. The pipe coupling assembly of claim 1, wherein the pipe coupling assembly includes a retaining ring that is disposed around the second pipe body and on a side of the sealing ring away from the end of the second pipe body, the retaining ring being disposed in the annular space and an outer sidewall of the retaining ring being attached to an inner wall surface of the first pipe body.
9. The pipe coupling assembly of claim 8, wherein the second body includes a projection projecting circumferentially outwardly along an outer wall surface of the second body, the securing ring being disposed about the projection.
10. A heat exchanger comprising a pipe connection assembly according to any one of claims 1 to 9, wherein one of the first and second pipes is a heat exchange pipe of the heat exchanger and the other is a water inlet pipe or a water outlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321569942.2U CN220082312U (en) | 2023-06-19 | 2023-06-19 | Pipe connection assembly and heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321569942.2U CN220082312U (en) | 2023-06-19 | 2023-06-19 | Pipe connection assembly and heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220082312U true CN220082312U (en) | 2023-11-24 |
Family
ID=88817899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321569942.2U Active CN220082312U (en) | 2023-06-19 | 2023-06-19 | Pipe connection assembly and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220082312U (en) |
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2023
- 2023-06-19 CN CN202321569942.2U patent/CN220082312U/en active Active
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