CN210372417U - Pipe joint assembly and indoor unit of air source heat pump unit - Google Patents
Pipe joint assembly and indoor unit of air source heat pump unit Download PDFInfo
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- CN210372417U CN210372417U CN201921408278.7U CN201921408278U CN210372417U CN 210372417 U CN210372417 U CN 210372417U CN 201921408278 U CN201921408278 U CN 201921408278U CN 210372417 U CN210372417 U CN 210372417U
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- sleeve
- pipe joint
- fixing structure
- fitting
- joint assembly
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Abstract
The utility model discloses a coupling subassembly and air source heat pump set's indoor set, coupling subassembly includes: the first sleeve is provided with a first connecting pipe end and a first assembling end, and a first fixing structure is convexly arranged on the outer wall of the first assembling end; the second sleeve is provided with a second pipe connecting end and a second assembling end, the second assembling end is inserted into the first assembling end, and a second fixing structure corresponding to the first fixing structure is convexly arranged on the outer wall of the second sleeve; the connecting piece clamps the first fixing structure and the second fixing structure. The utility model discloses pipe joint subassembly is through pegging graft in the first assembly end of first barrel with the telescopic second assembly end of second to through connecting piece clamping first fixed knot structure and second structure, with realize first sleeve and the telescopic relatively fixed of second, the pipeline accessible is pegged graft and is connect the end to realize intercommunication each other in first pipe end and second, from this, makes the connection between the pipeline more convenient, and more convenient to detach overhauls.
Description
Technical Field
The utility model relates to a pipe connection field, in particular to coupling subassembly and air source heat pump set's indoor set.
Background
The connection between the pipelines in the existing hydraulic module or heat pump unit is usually welding or threaded connection, the processing difficulty is large, and the disassembly and the overhaul are not convenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coupling subassembly aims at solving the technical problem who how to improve the tube coupling convenience.
In order to achieve the above object, the present invention provides a pipe joint assembly, including:
the first sleeve is provided with a first connecting pipe end and a first assembling end, and a first fixing structure is convexly arranged on the outer wall of the first assembling end;
the second sleeve is provided with a second pipe connecting end and a second assembling end, the second assembling end is inserted into the first assembling end, and a second fixing structure corresponding to the first fixing structure is convexly arranged on the outer wall of the second sleeve;
and the connecting piece clamps the first fixing structure and the second fixing structure.
Preferably, first fixed knot constructs including following the first solid fixed ring that first telescopic circumference extends, second fixed knot constructs including following the solid fixed ring of second that the telescopic circumference of second extends, the connecting piece includes the clamp that extends along circumference, the clamp joint in first sleeve and second sleeve, the draw-in groove that extends along circumference is seted up to the clamp, first solid fixed ring and the solid fixed ring of second inlay and locate the draw-in groove.
Preferably, the outer wall of the first sleeve and/or the second sleeve is further convexly provided with a limit boss extending along the circumferential direction, and the limit boss is limited and abutted to the side edge of the clamp.
Preferably, the hoop includes first arc arm, second arc arm and connects the U-shaped shell fragment of first arc arm and second arc arm, the draw-in groove is seted up in first arc arm and second arc arm, first arc arm and second arc arm butt in first sleeve and second sleeve.
Preferably, the free ends of the first arc arm and the second arc arm are bent towards a direction away from the first sleeve to form a grabbing portion.
Preferably, the inner wall surface of the first fitting end is in sealing engagement with the outer wall surface of the second fitting end.
Preferably, the inner wall surface of the first assembling end is provided with a sealing groove extending along the circumferential direction of the first sleeve, and/or the outer wall surface of the second assembling end is provided with a sealing groove extending along the circumferential direction of the second sleeve; the pipe joint assembly further comprises a sealing ring embedded in the sealing groove.
Preferably, the inner wall of the first sleeve is convexly provided with a first limiting ring for limiting and abutting against the pipe fitting; and/or a second limiting ring is convexly arranged on the inner wall surface of the second sleeve and used for limiting and abutting against the pipe fitting.
Preferably, the inner wall surface of the first assembling end is arranged to be an inner conical surface, and the outer wall surface of the second assembling end is arranged to be an outer conical surface.
Preferably, the taper of the inner conical surface and the taper of the outer conical surface are 1: 14 to 1: 18.
Preferably, an end surface of the second fitting end is formed with a guide arc surface.
The utility model discloses still provide an air source heat pump set's indoor set, including a coupling subassembly, this coupling subassembly includes: the first sleeve is provided with a first connecting pipe end and a first assembling end, and a first fixing structure is convexly arranged on the outer wall of the first assembling end; the second sleeve is provided with a second pipe connecting end and a second assembling end, the second assembling end is inserted into the first assembling end, and a second fixing structure corresponding to the first fixing structure is convexly arranged on the outer wall of the second sleeve; and the connecting piece clamps the first fixing structure and the second fixing structure.
The utility model discloses pipe joint subassembly is through pegging graft in the first assembly end of first barrel with the telescopic second assembly end of second to through connecting piece clamping first fixed knot structure and second structure, with realize first sleeve and the telescopic relatively fixed of second, the pipeline accessible is pegged graft and is connect the end to realize intercommunication each other in first pipe end and second, from this, makes the connection between the pipeline more convenient, and more convenient to detach overhauls.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a pipe joint assembly according to the present invention;
FIG. 2 is a schematic cross-sectional view of an embodiment of a pipe joint assembly according to the present invention;
fig. 3 is a schematic structural view of an embodiment of the middle clamp of the present invention;
FIG. 4 is a schematic structural view of an embodiment of the first sleeve according to the present invention;
FIG. 5 is a schematic cross-sectional view of an embodiment of the first sleeve of the present invention;
FIG. 6 is a schematic structural view of an embodiment of a second sleeve according to the present invention;
FIG. 7 is a schematic cross-sectional view of an embodiment of a second sleeve of the present invention;
fig. 8 is a schematic structural view of an embodiment of an indoor unit of an air source heat pump unit of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | First connecting |
12 | First assembling |
| 13 | First fixed |
20 | |
21 | Second connecting |
| 22 | |
23 | |
30 | |
| 31 | Clamping |
32 | |
33 | |
| 34 | |
35 | Gripping |
221 | |
| 50 | |
40 | |
14 | |
| 24 | |
122 | Guiding cambered surface |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a coupling subassembly.
In an embodiment of the present invention, as shown in fig. 1 to 7, the pipe joint assembly includes: the first sleeve 10 is provided with a first connecting pipe end 11 and a first assembling end 12, and a first fixing structure is convexly arranged on the outer wall of the first assembling end 12; the second sleeve 20 is provided with a second connecting pipe end 21 and a second assembling end 22, the second assembling end 22 is inserted into the first assembling end 12, and a second fixing structure corresponding to the first fixing structure is convexly arranged on the outer wall of the second sleeve 20; and the connecting piece clamps the first fixing structure and the second fixing structure.
In this embodiment, the first spigot end 11 and the second spigot end 21 are used for plugging the pipeline, and the second assembling end 22 is plugged into the first assembling end 12 to realize the communication of the pipeline. The first fixing structure and the second fixing structure may be ring structures or square structures, which is not limited herein. The specific shape of the connecting piece is not limited, and only the first fixing structure or the second fixing structure can be clamped and fixed by the connecting piece. When the pipe joint assembly is installed, the second assembling end 22 of the second sleeve 20 is inserted into the first assembling end 12 of the first sleeve 10, and then the first fixing structure and the second fixing structure are clamped by the connecting member. When the pipe joint assembly is disassembled, the connecting piece is disassembled, and then the first sleeve 10 and the second sleeve 20 are separated. Therefore, the first sleeve 10 and the second sleeve 20 are more convenient to disassemble and assemble, and the whole pipe joint assembly is more convenient to connect with a pipeline.
The utility model discloses pipe joint subassembly is through pegging graft in the first assembly end 12 of first barrel with the second assembly end 22 of second sleeve 20 to through the first fixed knot of connecting piece clamping structure and second structure, with the relative fastening who realizes first sleeve 10 and second sleeve 20, the pipeline accessible is pegged graft and is connect pipe end 21 to realize intercommunication each other in first pipe end 11 and second, from this, makes the connection between the pipeline more convenient, and more convenient to detach overhauls.
It should be noted that if the embodiments of the present invention are described with reference to "first", "second", etc., the description of "first", "second", etc. is only for descriptive purposes and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
In an embodiment, as shown in fig. 1 to 7, the first fixing structure includes a first fixing ring 13 extending along a circumferential direction of the first sleeve 10, the second fixing structure includes a second fixing ring 23 extending along a circumferential direction of the second sleeve 20, the connecting member includes a clamp 30 extending along the circumferential direction, the clamp 30 is connected to the first sleeve 10 and the second sleeve 20, the clamp 30 is provided with a clamping groove 31 extending along the circumferential direction, and the first fixing ring 13 and the second fixing ring 23 are embedded in the clamping groove 31.
In the present embodiment, the first fixing ring 13 may abut against the second fixing ring 23, or may form a gap with the second fixing ring 23. The number of the locking slots 31 may be one, and the first fixing ring 13 and the second fixing ring 23 are embedded in the same locking slot 31. The number of the clamping grooves 31 can also be two, the first fixing ring 13 and the second fixing ring 23 are respectively embedded in the two clamping grooves 31, and only the first fixing ring 13 and the second fixing ring 23 need to be fixed relatively through the clamp 30. In practical application, the end portion of the first fixing ring 13 is convexly arranged at the first assembling end 12, the second sleeve 20 is provided with a limiting step, the second fixing ring 23 is flush with the limiting step, the second assembling end 22 is inserted into the first assembling end 12, the first assembling end 12 is abutted against the limiting step, so that the first fixing ring 13 is abutted against the second fixing ring 23, and a gap is formed between the first fixing ring 13 and the top portion of the second fixing ring 23, so that the disassembly and the separation are convenient.
Specifically, as shown in fig. 2, the outer wall of the first sleeve 10 and/or the second sleeve 20 is further provided with a limiting boss 50 extending along the circumferential direction in a protruding manner, and the limiting boss 50 is limited and abutted against the side edge of the clamp 30. In this embodiment, the protruding first sleeve 10 of locating of spacing boss 50, the partly of clamp 30 inlays and locates between spacing boss 50 and the first solid fixed ring 13 to can make the connection of clamp 30 and first sleeve 10 more firm, improve pipe joint assembly's stability.
In an embodiment, as shown in fig. 3, the clip 30 includes a first arc arm 32, a second arc arm 33, and a U-shaped elastic sheet 34 connecting the first arc arm 32 and the second arc arm 33, the locking slot 31 is opened in the first arc arm 32 and the second arc arm 33, and the first arc arm 32 and the second arc arm 33 abut against the first sleeve 10 and the second sleeve 20. In this embodiment, the first arc arm 32 and the second arc arm 33 extend along the circumferential direction of the first sleeve 10, and the first arc arm 32 and the second arc arm 33 are respectively connected to two ends of the U-shaped elastic sheet 34, so that the first arc arm 32 and the second arc arm 33 can keep elastic potential energy approaching each other, and the first arc arm 32 and the second arc arm 33 can be clamped to the first sleeve 10 and the second sleeve 20 through the elastic sheet 34. Specifically, as shown in fig. 3, the free ends of the first arc arm 32 and the second arc arm 33 are bent to form a catching portion 35 in a direction away from the first sleeve 10. The grasping portion 35 is used for grasping or pushing by a user to facilitate the user to remove the clip 30.
In one embodiment, as shown in FIG. 2, the inner wall surface of the first mounting end 12 sealingly engages the outer wall surface of the second mounting end 22. In this embodiment, the first fitting end 12 and the second fitting end 22 can be in a sealing fit through an interference fit or a sealing member, so as to prevent water leakage at the insertion position of the first fitting end 12 and the second fitting end 22, and improve the sealing performance of the pipe joint assembly. Specifically, the inner wall surface of the first fitting end 12 is provided with a sealing groove 221 extending along the circumferential direction of the first sleeve 10, and/or the outer wall surface of the second fitting end 22 is provided with a sealing groove extending along the circumferential direction of the second sleeve 20; the pipe joint assembly further includes a sealing ring 40 inserted into the sealing groove 221. By embedding the sealing ring 40 in the sealing groove 221, the fitting area of the sealing ring 40 with the first sleeve 10 and the second sleeve 20 is increased, so that the installation of the sealing ring 40 is more stable.
In one embodiment, as shown in fig. 2, a first limiting ring 14 is protruded from the inner wall of the first sleeve 10 for limiting and abutting against the pipe; and/or a second limiting ring 24 is convexly arranged on the inner wall surface of the second sleeve 20 and used for limiting and abutting against the pipe fitting. In the present embodiment, the first retainer ring 14 extends in the circumferential direction of the first sleeve 10, and the second retainer ring 24 extends in the circumferential direction of the second sleeve 20. The first and second limiting rings 14 and 24 are used to limit the length of the pipeline to prevent the two pipelines extending from the first pipe end 11 and the second pipe end 21 from being pushed and squeezed, so that the connection process between the pipelines and the pipe joint assembly is smoother.
It should be noted that the expression "and/or" as used throughout is intended to include three juxtaposed aspects, such as "A and/or B" and includes either A aspect, or B aspect, or both A and B aspects.
In one embodiment, the inner wall surface of the first mounting end 12 is configured as an inner tapered surface and the outer wall surface of the second mounting end 22 is configured as an outer tapered surface. In this embodiment, in the indoor unit of the air source heat pump unit, two pipes to be connected may be misaligned with each other, that is, pipe axes of the two pipes are not aligned with each other, so that the inner wall surface of the first fitting end 12 and the outer wall surface of the second fitting end 22 are set to be tapered surfaces, so that the first sleeve 10 and the second sleeve 20 can be adjusted to be non-coaxially arranged after being assembled to adapt to the misaligned pipes. It will be appreciated that the first sleeve 10 and the second sleeve 20 are still coaxially arranged with the respective pipes to ensure sealing. The first sleeve 10 and the second sleeve 20 are at least partially in surface contact even if they are not coaxial due to the conical surface fit, so that the fit area and the sealing performance of the first sleeve 10 and the second sleeve 20 can be improved. Specifically, the taper of the inner conical surface and the taper of the outer conical surface are 1: 14 to 1: 18, so that the size of the pipe joint is more reasonable while the matching area and the matching sealing performance of the first sleeve 10 and the second sleeve 20 are ensured.
In practical applications, as shown in fig. 6 and 7, the end surface of the second fitting end 22 is formed with a guide arc surface 122. In this embodiment, the guiding arc 122 enables the second fitting end 22 to be inserted into the first fitting end 12 more smoothly, thereby facilitating the fitting of the first sleeve 10 and the second sleeve 20.
As shown in fig. 8, the utility model discloses still provide an air source heat pump unit's indoor set, this air source heat pump unit's indoor set includes a coupling subassembly, and above-mentioned embodiment is referred to this coupling subassembly's concrete structure, because this air source heat pump unit's indoor set has adopted the whole technical scheme of all above-mentioned embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (12)
1. A coupling assembly, comprising:
the first sleeve is provided with a first connecting pipe end and a first assembling end, and a first fixing structure is convexly arranged on the outer wall of the first assembling end;
the second sleeve is provided with a second pipe connecting end and a second assembling end, the second assembling end is inserted into the first assembling end, and a second fixing structure corresponding to the first fixing structure is convexly arranged on the outer wall of the second sleeve;
and the connecting piece clamps the first fixing structure and the second fixing structure.
2. The pipe joint assembly according to claim 1, wherein the first fixing structure comprises a first fixing ring extending in a circumferential direction of the first sleeve, the second fixing structure comprises a second fixing ring extending in a circumferential direction of the second sleeve, the connecting member comprises a hoop extending in the circumferential direction, the hoop is clamped to the first sleeve and the second sleeve, the hoop is provided with a clamping groove extending in the circumferential direction, and the first fixing ring and the second fixing ring are embedded in the clamping groove.
3. The pipe joint assembly according to claim 2, wherein the outer wall of the first sleeve and/or the second sleeve is further provided with a circumferentially extending limiting boss which is limited and abutted against the side edge of the clamping band.
4. The pipe joint assembly of claim 2, wherein the clip comprises a first curved arm, a second curved arm, and a U-shaped spring connecting the first curved arm and the second curved arm, wherein the slot is disposed in the first curved arm and the second curved arm, and the first curved arm and the second curved arm abut against the first sleeve and the second sleeve.
5. The pipe joint assembly of claim 4, wherein the free ends of the first and second arcuate arms are bent away from the first sleeve to form a catch.
6. The fitting assembly of claim 1 wherein said inner wall surface of said first fitting end sealingly engages said outer wall surface of said second fitting end.
7. The pipe joint assembly according to claim 6, wherein an inner wall surface of the first fitting end is provided with a seal groove extending in a circumferential direction of the first sleeve, and/or an outer wall surface of the second fitting end is provided with a seal groove extending in a circumferential direction of the second sleeve; the pipe joint assembly further comprises a sealing ring embedded in the sealing groove.
8. The pipe joint assembly according to claim 1, wherein the inner wall of the first sleeve is convexly provided with a first limiting ring for limiting and abutting against the pipe fitting; and/or a second limiting ring is convexly arranged on the inner wall surface of the second sleeve and used for limiting and abutting against the pipe fitting.
9. The fitting assembly of claim 1 wherein said inner wall surface of said first fitting end is configured as an inner tapered surface and said outer wall surface of said second fitting end is configured as an outer tapered surface.
10. The fitting assembly of claim 9 wherein said inner and outer tapered surfaces have a taper of 1: 14 to 1: 18.
11. The pipe joint assembly according to claim 1, wherein the end surface of the second fitting end is formed with a guide curved surface.
12. An indoor unit of an air source heat pump unit, characterized by comprising the pipe joint assembly as claimed in any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408278.7U CN210372417U (en) | 2019-08-27 | 2019-08-27 | Pipe joint assembly and indoor unit of air source heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921408278.7U CN210372417U (en) | 2019-08-27 | 2019-08-27 | Pipe joint assembly and indoor unit of air source heat pump unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210372417U true CN210372417U (en) | 2020-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921408278.7U Active CN210372417U (en) | 2019-08-27 | 2019-08-27 | Pipe joint assembly and indoor unit of air source heat pump unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210372417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238649A1 (en) * | 2020-05-29 | 2021-12-02 | 绍兴三花新能源汽车部件有限公司 | Heat exchanger and gas-liquid separator |
-
2019
- 2019-08-27 CN CN201921408278.7U patent/CN210372417U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238649A1 (en) * | 2020-05-29 | 2021-12-02 | 绍兴三花新能源汽车部件有限公司 | Heat exchanger and gas-liquid separator |
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