CN213299130U - Connecting pipe assembly and air conditioner - Google Patents
Connecting pipe assembly and air conditioner Download PDFInfo
- Publication number
- CN213299130U CN213299130U CN202022280299.4U CN202022280299U CN213299130U CN 213299130 U CN213299130 U CN 213299130U CN 202022280299 U CN202022280299 U CN 202022280299U CN 213299130 U CN213299130 U CN 213299130U
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- pipe
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- holes
- hole
- tube assembly
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- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims description 34
- 238000007789 sealing Methods 0.000 claims description 18
- 239000003507 refrigerant Substances 0.000 claims description 8
- 210000002445 nipple Anatomy 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000010354 integration Effects 0.000 abstract description 3
- 238000005219 brazing Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
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Abstract
The utility model provides a connecting pipe component and an air conditioner, the connecting pipe component comprises a first pipe joint, a second pipe joint and a connecting pipe nut, the first axial end of the first pipe joint is provided with at least two first pipe mounting holes which are arranged at intervals, the second axial end of the first pipe joint is provided with at least two accommodating holes which are arranged at intervals, the second pipe joint comprises a pipe mounting part, the pressing part is arranged along the axial direction of the second pipe joint, the pressing part protrudes from the outer peripheral wall of the pipe installation part in the radial direction, the pipe part is in interference fit with the corresponding accommodating hole, at least two second pipe installation holes are formed in the pipe installation part, one first pipe installation hole is communicated with one second pipe installation hole through the corresponding pipe part, the connecting pipe nut is sleeved outside the first pipe joint, and the pressing part is extruded between the connecting pipe nut and the second axial end. This connecting tube subassembly can realize the integration installation, improves the installation effectiveness.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner technique and specifically relates to a connecting pipe subassembly and air conditioner are related to.
Background
When the existing household air conditioner indoor unit is connected with the outdoor unit, the air pipe and the liquid pipe need to be separately connected, and the installation efficiency is low. Meanwhile, two sets of pipe joints and pipe connecting nuts are needed for installation, the cost is high, the occupied space of the bottom shell of the indoor unit is large, and the miniaturization of the indoor unit is not facilitated.
Disclosure of Invention
The utility model discloses a first purpose provides a can realize the integration installation, improves the connecting pipe subassembly of installation effectiveness, can solve trachea and liquid pipe between the indoor set of current air conditioner and the off-premises station and need separately install, cause the problem that assembly efficiency is low.
A second object of the present invention is to provide an air conditioner having the above connecting pipe assembly.
To achieve the first objective, the present invention provides a connection pipe assembly, which comprises a first pipe joint, a second pipe joint and a connection pipe nut, wherein a first axial end of the first pipe joint is provided with at least two first pipe mounting holes arranged at intervals, a second axial end of the first pipe joint is provided with at least two receiving holes arranged at intervals, the second pipe joint comprises a pipe mounting part, the pressing part is arranged along the axial direction of the second pipe joint, the pressing part protrudes from the outer peripheral wall of the pipe installation part in the radial direction, the pipe part is in interference fit with the corresponding accommodating hole, at least two second pipe installation holes are formed in the pipe installation part, one first pipe installation hole is communicated with one second pipe installation hole through the corresponding pipe part, the connecting pipe nut is sleeved outside the first pipe joint, and the pressing part is extruded between the connecting pipe nut and the second axial end.
According to the scheme, the first pipe mounting hole and the second pipe mounting hole are communicated to form the flow path, and meanwhile, the plurality of first pipe mounting holes are arranged at intervals, and the plurality of second pipe mounting holes are arranged at intervals, so that the plurality of flow paths are communicated separately, the plurality of pipelines are integrally connected, the cost is saved, and meanwhile, the mounting space can be reduced. In addition, during assembly, after the tubular part of the second pipe joint is inserted into the accommodating hole of the first pipe joint, the connecting pipe nut is sleeved on the first pipe joint from the second axial end of the first pipe joint, and the pressing part is squeezed between the connecting pipe nut and the first pipe joint. The assembly mode is simple and the installation efficiency can be improved.
Preferably, the second axial end is provided with a chamfer, a pressing inclined plane opposite to the chamfer is arranged in the adapter nut, and the pressing part is positioned between the chamfer and the pressing inclined plane.
The pipe connecting nut comprises a threaded connection section, a pressing section and an accommodating section which are arranged along the axial direction of the pipe connecting nut, a pipe mounting part is inserted in the accommodating section, a pressing inclined plane is located on the pressing section, and the threaded connection section is in threaded connection with the first pipe joint.
The further proposal is that the compressing part is an elastic arc sheet.
Therefore, the pressing part is positioned between the chamfer and the pressing inclined plane, and the tightness of the connecting position can be ensured.
Preferably, the tubular portion is sealingly connected to an inner circumferential wall of the receiving hole.
The further scheme is that a sealing groove is arranged on the peripheral wall of the accommodating hole, and a sealing ring is arranged in the sealing groove.
It can be seen that the sealing property of the connecting pipe assembly at the position where the tubular portion is connected to the receiving hole is ensured.
Preferably, the receiving hole is tapered from the second axial end toward the inner diameter, and the outer diameter of the tubular portion is tapered from an end near the tube mounting portion to a free end of the tubular portion.
Therefore, the containing hole is a tapered hole, the tubular part containing hole is guaranteed to be in interference fit, the tubular part can be tightly connected with the containing hole, and the sealing performance is guaranteed.
Preferably, the inner circumferential wall of the first pipe installation hole is provided with a first limiting protrusion protruding in the radial direction.
It can be seen that the first stopper protrusion serves to limit the depth of insertion into the first pipe mounting hole.
Preferably, the inner circumferential wall of the second pipe installation hole is provided with a second limiting protrusion protruding in the radial direction.
It can be seen that the second limit projection serves to limit the depth of insertion into the second pipe mounting hole.
Preferably, the radial cross-section of the first axial end is a regular hexagon.
Therefore, the universal hexagonal wrench can be conveniently used for fixing.
One preferred solution is that the diameters of the two first pipe mounting holes are not equal; wherein the diameters of the two second pipe mounting holes are not equal; wherein the diameters of the two tubular portions are not equal; the first pipe mounting hole with the large diameter is communicated with the second pipe mounting hole with the large diameter through the tubular part with the large diameter, and the first pipe mounting hole with the small diameter is communicated with the second pipe mounting hole with the small diameter through the tubular part with the small diameter.
Preferably, a first pipe fitting hole and a receiving hole are provided opposite to each other in the axial direction of the first pipe joint.
Preferably, the connecting pipe assembly further comprises a gas pipe assembly and a liquid pipe assembly, the gas pipe assembly comprises a first gas pipe and a second gas pipe, the liquid pipe assembly comprises a first liquid pipe and a second liquid pipe, the first gas pipe and the first liquid pipe are respectively installed in two first pipe installation holes, the second gas pipe and the second liquid pipe are respectively installed in two second pipe installation holes, the first gas pipe is communicated with the second gas pipe, the gaseous refrigerant flows in the gas pipe assembly, the first liquid pipe is communicated with the second liquid pipe, and the liquid refrigerant flows in the liquid pipe assembly.
To achieve the second objective, the present invention provides an air conditioner including the above-mentioned connecting tube assembly.
Drawings
Fig. 1 is a structural view of an indoor unit and a connecting pipe assembly according to an embodiment of the present invention.
Figure 2 is a block diagram of an embodiment of the connector assembly of the present invention.
Figure 3 is a cross-sectional view of an embodiment of the connector assembly of the present invention.
Figure 4 is a perspective view of a first fitting of an embodiment of the connector assembly of the present invention.
Figure 5 is a cross-sectional view of a first fitting of an embodiment of the connector assembly of the present invention.
Figure 6 is a perspective view of a second fitting of an embodiment of the connector assembly of the present invention from a first perspective.
Figure 7 is a perspective view of a second tube joint according to an embodiment of the present invention.
Figure 8 is a cross-sectional view of a second fitting embodiment of the connector assembly of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1, the air conditioner includes an outdoor unit, an indoor unit 10, and a connection pipe assembly 1, and the outdoor unit and the indoor unit 10 are connected by the connection pipe assembly 1.
Referring to fig. 2 and 3, the connecting tube assembly 1 includes a gas tube assembly, a liquid tube assembly, a first coupling 2, a second coupling 3, and a nipple nut 4. The first pipe joint 2 and the second pipe joint 3 are made of HPb 59-1 brass, and can effectively prevent deformation when being screwed by a torque wrench. The gas pipe assembly includes a first gas pipe 11 and a second gas pipe 12, and the liquid pipe assembly includes a first liquid pipe 13 and a second liquid pipe 14.
Referring to fig. 3 to 5, the first axial end 21 of the first pipe joint 2 is provided with first pipe mounting holes 23 and first pipe mounting holes 24 which are arranged at intervals, the second axial end 22 of the first pipe joint 2 is provided with accommodating holes 25 and accommodating holes 26 which are arranged at intervals, the first pipe mounting holes 23 and the accommodating holes 25 are arranged axially opposite to each other, the first pipe mounting holes 24 and the accommodating holes 26 are arranged axially opposite to each other, the inner peripheral wall of the first pipe mounting holes 23 is provided with first limiting protrusions 231 which protrude radially, and the inner peripheral wall of the first pipe mounting holes 24 is provided with first limiting protrusions 241 which protrude radially. The radial cross-section of the first axial end 21 of the first pipe joint 2 is regular hexagonal.
Referring to fig. 6 to 8, the second pipe joint 3 includes a pipe fitting portion 31, a pressing portion 32, a tubular portion 33, and a tubular portion 34, the tubular portion 33 and the tubular portion 34 both extending axially outward from an axial end 311 of the pipe fitting portion 31, the pressing portion 32 being a flared elastic arc piece, and the pressing portion 32 protruding radially from an outer peripheral wall of the pipe fitting portion 31.
As shown in fig. 3 and 5, the tubular portion 33 is in interference fit with the receiving hole 25, the tubular portion 33 is connected to the inner circumferential wall of the receiving hole 25 in a sealing manner, a sealing groove 251 is provided in the circumferential wall of the receiving hole 25, and a sealing ring 51 is provided in the sealing groove 251. The tubular portion 34 is in interference fit with the receiving hole 26, the tubular portion 34 is connected with the inner circumferential wall of the receiving hole 26 in a sealing manner, a sealing groove 261 is formed in the circumferential wall of the receiving hole 26, and a sealing ring 52 is arranged in the sealing groove 261.
The pipe attaching portion 31 is opened with a second pipe attaching hole 312 and a second pipe attaching hole 313, and the diameter of the first pipe attaching hole 23 is larger than the diameter of the first pipe attaching hole 24. The diameter of the second pipe mounting hole 312 is larger than that of the second pipe mounting hole 313. The maximum diameter of the tubular portion 33 is greater than the maximum diameter of the tubular portion 34. The first pipe mounting hole 23 and the second pipe mounting hole 312 communicate through the tubular portion 33, and the first pipe mounting hole 24 and the second pipe mounting hole 313 communicate through the tubular portion 34.
The union nut 4 is fitted over the first pipe joint 2, and the compression part 32 is compressed between the union nut 4 and the second axial end 22 of the first pipe joint 2. The inner circumferential wall of the second pipe mounting hole 312 is provided with a second stopper protrusion 3121 protruding in a radial direction, and the inner circumferential wall of the second pipe mounting hole 313 is provided with a second stopper protrusion 3131 protruding in a radial direction. The first gas pipe 11 is fixed to the first pipe mounting hole 23 by brazing, the first liquid pipe 13 is fixed to the first pipe mounting hole 24 by brazing, the second gas pipe 12 is fixed to the second pipe mounting hole 312 by brazing, the second liquid pipe 14 is fixed to the second pipe mounting hole 313 by brazing, the first gas pipe 11 communicates with the second gas pipe 12, the gaseous refrigerant flows in a flow path formed by the first gas pipe 11 and the second gas pipe 12, the first liquid pipe 13 communicates with the second liquid pipe 14, and the liquid refrigerant flows in a flow path formed by the first liquid pipe 13 and the second liquid pipe 14.
The receiving hole 25 is gradually reduced in diameter from the second axial end 22 of the first pipe joint 2 toward the inside in the axial direction, and the outer diameter of the tubular portion 33 is gradually reduced from the end near the pipe fitting portion 31 to the free end of the tubular portion 33. The receiving hole 26 is tapered in diameter from the second axial end 22 of the first pipe joint 2 toward the inside in the axial direction, and the outer diameter of the tubular portion 34 is tapered from the end near the pipe fitting portion 31 to the free end of the tubular portion 34.
The adapter nut 4 comprises a threaded connection section 41, a pressing section 42 and an accommodating section 43 which are arranged along the axial direction, the pipe mounting part 31 is inserted into the accommodating section 43, the threaded connection section 41 is in threaded connection with the first pipe joint 2, the second axial end 22 of the first pipe joint 2 is provided with a chamfer 221, the pressing section 42 is provided with a pressing inclined surface 421 opposite to the chamfer 221, and the pressing part 32 is located between the chamfer 221 and the pressing inclined surface 421.
It can be seen from above that, a first pipe mounting hole and a second pipe mounting hole intercommunication form a flow path, simultaneously because two first pipe mounting holes set up to the interval arrangement, two second pipe mounting holes set up to the interval arrangement, so separate the circulation between two flow paths, realize the integration of gas pipeline and fluid pipeline and be connected, practice thrift the cost, can also reduce installation space simultaneously to realize the miniaturization of air conditioning indoor set. In addition, during assembly, after the tubular part of the second pipe joint is inserted into the accommodating hole of the first pipe joint, the connecting pipe nut is sleeved on the first pipe joint from the second axial end of the first pipe joint, and the pressing part is squeezed between the connecting pipe nut and the first pipe joint. The assembly mode is simple and the after-sale installation efficiency can be improved. Meanwhile, the tubular part of the second pipe joint adopts a reducing pipe, the accommodating hole of the first pipe joint adopts a reducing hole, the reducing pipe is inserted into the reducing hole to ensure that the reducing pipe and the accommodating hole are in interference fit, and then through the arrangement of the sealing ring between the tubular part and the accommodating hole, the refrigerant between the after-sale installation air pipe and the liquid pipe is not communicated with each other, so that the refrigerant is prevented from leaking.
Furthermore, the receiving bore may also be a cylindrical bore, i.e. the receiving bore has a constant diameter inwards from the second axial end, and correspondingly the tubular portion is also cylindrical. The first pipe fitting hole and the receiving hole may be two sections of a through hole provided through the first pipe joint in the axial direction. The first pipe mounting hole and the accommodating hole can be coaxially arranged or can be arranged in a staggered mode. The above changes also enable the object of the present invention to be achieved.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (14)
1. The connecting tube subassembly, its characterized in that: comprises that
The first axial end of the first pipe joint is provided with at least two first pipe mounting holes which are arranged at intervals, and the second axial end of the first pipe joint is provided with at least two accommodating holes which are arranged at intervals;
the second pipe joint comprises a pipe mounting part, a pressing part and at least two tubular parts, the pipe mounting part and the tubular parts are arranged along the axial direction of the second pipe joint, the pressing part protrudes out of the outer peripheral wall of the pipe mounting part in the radial direction, the tubular parts are in interference fit with corresponding accommodating holes, the pipe mounting part is provided with at least two second pipe mounting holes, and one first pipe mounting hole is communicated with one second pipe mounting hole through the corresponding tubular part;
a nipple nut that fits over the first nipple, the compression portion being compressed between the nipple nut and the second axial end.
2. The connecting tube assembly of claim 1, wherein:
the second axial end is provided with a chamfer, a pressing inclined plane opposite to the chamfer is arranged in the adapter nut, and the pressing part is positioned between the chamfer and the pressing inclined plane.
3. The connector tube assembly of claim 2, wherein:
the pipe connecting nut comprises a threaded connection section, a pressing section and an accommodating section which are arranged along the axial direction of the pipe connecting nut, the pipe mounting part is inserted in the accommodating section, the pressing inclined plane is located on the pressing section, and the threaded connection section is in threaded connection with the first pipe joint.
4. The connector tube assembly of claim 2, wherein:
the compressing part is an elastic arc sheet.
5. The connector tube assembly of any one of claims 1 to 4, wherein:
the tubular portion is connected with the inner peripheral wall of the accommodating hole in a sealing manner.
6. The connector tube assembly of claim 5, wherein:
a sealing groove is formed in the peripheral wall of the accommodating hole, and a sealing ring is arranged in the sealing groove.
7. The connector tube assembly of any one of claims 1 to 4, wherein:
the receiving hole is gradually reduced in diameter from the second axial end to the inner side, and the outer diameter of the tubular portion is gradually reduced from the end close to the tube mounting portion to the free end of the tubular portion.
8. The connector tube assembly of any one of claims 1 to 4, wherein:
the inner peripheral wall of the first pipe mounting hole is provided with a first limiting bulge protruding along the radial direction.
9. The connector tube assembly of any one of claims 1 to 4, wherein:
and the inner peripheral wall of the second pipe mounting hole is provided with a second limiting bulge protruding along the radial direction.
10. The connector tube assembly of any one of claims 1 to 4, wherein:
the radial cross section of the first axial end is a regular hexagon.
11. The connector tube assembly of any one of claims 1 to 4, wherein:
wherein the diameters of the two first pipe mounting holes are not equal, wherein the diameters of the two second pipe mounting holes are not equal, wherein the diameters of the two tubular portions are not equal;
the first pipe mounting hole having a large diameter communicates with the second pipe mounting hole having a large diameter via the tubular portion having a large diameter, and the first pipe mounting hole having a small diameter communicates with the second pipe mounting hole having a small diameter via the tubular portion having a small diameter.
12. The connector tube assembly of any one of claims 1 to 4, wherein:
one of the first pipe fitting holes and one of the receiving holes are disposed opposite to each other in an axial direction of the first pipe joint.
13. The connector tube assembly of any one of claims 1 to 4, wherein:
the connecting pipe assembly further comprises an air pipe assembly and a liquid pipe assembly, the air pipe assembly comprises a first air pipe and a second air pipe, and the liquid pipe assembly comprises a first liquid pipe and a second liquid pipe;
the first air pipe and the first liquid pipe are respectively installed in two of the first pipe installation holes, and the second air pipe and the second liquid pipe are respectively installed in two of the second pipe installation holes;
the first gas pipe is communicated with the second gas pipe, gaseous refrigerant flows in the gas pipe assembly, the first liquid pipe is communicated with the second liquid pipe, and liquid refrigerant flows in the liquid pipe assembly.
14. An air conditioner characterized by comprising the connection pipe assembly as set forth in any one of claims 1 to 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022280299.4U CN213299130U (en) | 2020-10-14 | 2020-10-14 | Connecting pipe assembly and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022280299.4U CN213299130U (en) | 2020-10-14 | 2020-10-14 | Connecting pipe assembly and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213299130U true CN213299130U (en) | 2021-05-28 |
Family
ID=76013999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022280299.4U Active CN213299130U (en) | 2020-10-14 | 2020-10-14 | Connecting pipe assembly and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213299130U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218016A (en) * | 2022-06-20 | 2022-10-21 | 珠海格力电器股份有限公司 | Air conditioner stop valve and air conditioner |
-
2020
- 2020-10-14 CN CN202022280299.4U patent/CN213299130U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115218016A (en) * | 2022-06-20 | 2022-10-21 | 珠海格力电器股份有限公司 | Air conditioner stop valve and air conditioner |
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| GR01 | Patent grant |