CN212179065U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN212179065U CN212179065U CN202020540286.3U CN202020540286U CN212179065U CN 212179065 U CN212179065 U CN 212179065U CN 202020540286 U CN202020540286 U CN 202020540286U CN 212179065 U CN212179065 U CN 212179065U
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- flaring
- connecting pipe
- air conditioner
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Abstract
The utility model belongs to the air conditioning field, the utility model provides an air conditioner, which comprises a heat exchanger, a heat exchanger and a pipe flaring device, wherein the heat exchanger is provided with a heat exchange pipe; a connection tube connected within the tube flare; the pipe orifice sealing cap is positioned at the joint of the pipe flaring and the connecting pipe, is connected with the outer pipe wall of the pipe flaring and the outer pipe wall of the connecting pipe, and seals a gap between the opening part of the pipe flaring and the joint of the connecting pipe; and the threaded connector is connected with one end of the pipe flaring, back to the connecting pipe, and the threaded connector can be connected with an early warning sealing cap or a pipe joint nut. The utility model discloses under the unchangeable circumstances of current production technology, both solved the difficult problem of the unable leak hunting of heat exchanger, satisfy the demand that the user adopted welding mode to connect indoor, outer machine again.
Description
Technical Field
The utility model belongs to the air conditioner field especially relates to an air conditioner.
Background
At present, in the air conditioner for exporting North America and other regions, inlet and outlet pipes of a heat exchanger in an indoor unit are not provided with threaded joints, when the outdoor unit and the indoor unit are connected, a connecting pipe is welded on an inlet and outlet pipeline of the heat exchanger of the indoor unit in a welding mode, but because the inlet and outlet pipes are not provided with the threaded joints, pipe joint nuts for leak detection in a factory cannot be added, and the leak detection of the heat exchanger is not facilitated; after the threaded joint is added, when the outdoor unit and the indoor unit are connected, the connection requirement that the connecting pipe is welded to the inlet and outlet pipelines of the heat exchanger of the indoor unit cannot be met.
Disclosure of Invention
The utility model discloses to foretell technical problem, provide an air conditioner, under the unchangeable circumstances of current production technology, both solved the difficult problem of the unable leak hunting of heat exchanger, satisfy the demand that the user adopted welding mode to connect indoor, outer machine again.
In order to achieve the above object, the utility model discloses a technical scheme be: an air conditioner includes a compressor,
the heat exchanger is provided with a heat exchange tube, a tube inlet or a tube outlet of the heat exchange tube is provided with a tube flaring, and a joint of the tube flaring and the tube inlet or the tube outlet of the heat exchange tube forms an inclined plane inclined to one side of the connecting tube so as to limit the connecting tube;
the connecting pipe is connected in the pipe expanding opening, and a pipe orifice of the inserting end of the connecting pipe is abutted to the inclined plane;
the pipe orifice sealing cap is positioned at the joint of the pipe flaring and the connecting pipe, is connected with the outer pipe wall of the pipe flaring and the outer pipe wall of the connecting pipe, and seals a gap between the opening part of the pipe flaring and the joint of the connecting pipe;
a screwed joint which is connected with one end of the connecting pipe opposite to the pipe flaring,
the threaded joint can be connected with an early warning sealing cap or a pipe joint nut, the early warning sealing cap can maintain pressure of the heat exchanger or detect whether a refrigerant in the heat exchanger leaks, and the pipe joint nut can be connected with an external refrigerant filling device to add the refrigerant to the heat exchanger;
through the connecting pipe connect in the pipe flaring, the mouth of pipe that the connecting pipe inserted the end offsets with the inclined plane, it is right to the connecting pipe is spacing, can be better control the connecting pipe depth of insertion, be favorable to mouth of pipe closing cap with the connecting pipe reaches the connection of pipe flaring, prevent that the connecting pipe inserts and shallowly causes the connecting pipe with the unstability of pipe flaring and influence mouth of pipe closing cap with the connecting pipe reaches the welding nature of pipe flaring, through setting up the connecting pipe, under the unchangeable condition in current technology basis, the problem of the unable early warning closing cap that is used for connecting the pressure measurement of the pipe import and the pipe exit of heat exchanger on the export North American air conditioner does not have the screw thread has been solved, has improved the qualification rate of hunting.
In some embodiments of this application, the mouth of pipe sealing cap including seal the pipe and with the annular shrouding that the mouth of pipe of sealing is connected, seal the pipe with the outer pipe wall connection of pipe flaring, the shrouding with the oral area of pipe flaring offsets, and with the outer pipe wall connection of connecting pipe, so that the mouth of pipe sealing cap with pipe flaring reaches the connectivity of connecting pipe is better, seal the pipe with the outer pipe wall of pipe flaring and the shrouding with the welding seam quality of the outer pipe wall of connecting pipe is better, prevents that the refrigerant from leaking.
In some embodiments of the present application, an inner diameter of the tube sealing is greater than an outer diameter of the tube flaring, so that the tube sealing can be quickly matched with the tube flaring, the assembly speed of the tube sealing and the tube flaring is increased, and the assembly efficiency is improved.
In some embodiments of this application, the inner ring diameter of shrouding with the outer pipe diameter size of connecting pipe equals, so that the shrouding with connect more firmly between the connecting pipe, the stability of connection is better, prevents because of the shrouding with there is the clearance in the connecting pipe when the cooperation, when the welding, causes the condition that the welding seam is easy to split.
In some embodiments of the present application, the tube flare includes a first tube flare disposed at a tube inlet of the heat exchange tube, and a second tube flare disposed at a tube outlet of the heat exchange tube.
In some embodiments of the present application, the connection tube includes a first connection tube connected with the first tube flare, and a second connection tube connected with the second tube flare.
In some embodiments of the present application, the threaded joint includes a first threaded joint connected with the first connection pipe, and a second threaded joint connected with the second connection pipe.
In some embodiments of the present application, the second screwed joint is connected with the early warning sealing cap to seal the tube outlet of the heat exchange tube, and the heat exchanger is pressurized and detected to leak after the heat exchanger is filled with the refrigerant.
In some embodiments of the present application, when the heat exchanger is filled with refrigerant, the first threaded joint is connected to the pipe joint nut, and the pipe joint nut is provided with a joint, and is connected to an external refrigerant filling device through the joint, so as to add refrigerant to the heat exchanger.
In some embodiments of the present application, the shape of the pipe flaring is cylindrical, which is beneficial to the connection and matching between the pipe flaring and the connecting pipe, and is convenient for processing.
When a user installs the indoor unit, the pipe orifice sealing cap, the connecting pipe, the threaded joint and the early warning sealing cap or the pipe joint nut are removed, the pipe expansion at the pipe inlet of the heat exchanger of the indoor unit is welded with the pipe expansion at the pipe inlet of the outdoor unit through the connecting pipe, the pipe expansion at the pipe outlet of the heat exchanger of the indoor unit is welded with the pipe expansion at the pipe outlet of the outdoor unit through the connecting pipe, and the connection of the indoor unit and the outdoor unit is completed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged view of a portion B of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of the pipe inlet of the present invention when a refrigerant is added;
fig. 5 is a schematic structural view of the middle tube inlet in a sealed state according to the present invention;
fig. 6 is a schematic structural view of the pipe outlet in a sealed state;
FIG. 7 is a schematic structural view of the nozzle cap of the present invention;
fig. 8 is a schematic structural diagram of the prior art.
In the above figures: 1. a heat exchanger; 11. a heat exchange pipe; 111. a tube inlet; 1111. a bevel; 112. a tube outlet; 1121. a bevel; 113. flaring the pipe; 1131. an outer tube wall; 1132. a mouth; 1133. flaring the first pipe; 2. a connecting pipe; 21. a pipe orifice; 22. an outer tube wall; 23. a first connecting pipe; 24. a second connecting pipe; 3. sealing the pipe orifice; 31. sealing the tube; 32. closing the plate; 4. a threaded joint; 41. a first threaded joint; 42. a second threaded joint; 5. early warning sealing cap; 6. a pipe connecting nut; 61. and (4) a joint.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
Referring to fig. 8, most of air conditioners in regions such as north america at the outlet have the problems that the inlet pipe and the outlet pipe of the heat exchanger 1 in the indoor unit are not provided with the threaded connectors 4, when the outdoor unit and the indoor unit are connected, the connecting pipe 2 is welded to the inlet pipe and the outlet pipe of the heat exchanger 1 of the indoor unit in a welding mode, but because the inlet pipe and the outlet pipe are not provided with the threaded connectors 4, the pipe joint nut 6 for leak detection in a factory cannot be added, and the leak detection of the heat exchanger 1 is not facilitated; in order to realize the leakage detection of the heat exchanger 1, a mode of welding the threaded connector 4 with the inlet pipe and the outlet pipe is adopted, the threaded connector 4 is connected with the early warning nut 5 to realize the leakage detection, after the threaded connector 4 is added, when the outdoor unit and the indoor unit are connected, the connection requirement that the connecting pipe 2 is welded to the inlet pipeline and the outlet pipeline of the heat exchanger 1 of the indoor unit cannot be met, and at present, the failure rate of the leakage detection is abnormally high under the existing production process.
In order to solve the above problems, referring to fig. 1 to 3, an air conditioner is provided, which can be applied to an indoor unit and an outdoor unit, and comprises a heat exchanger 1, a connection pipe 2, a pipe end sealing cap 3, and a screw joint 4,
the heat exchanger 1 is positioned in a shell of the air conditioner, the heat exchanger 1 is provided with a heat exchange tube 11, a tube flared opening 113 is arranged on a tube inlet 111 or a tube outlet 112 of the heat exchange tube 11, the tube flared opening 113 is cylindrical, and a slope 1111 or a slope 1121 inclined to one side of the connecting tube 2 is formed at the joint of the tube flared opening 113 and the tube inlet 111 or the tube outlet 112 of the heat exchange tube 11 so as to limit the connecting tube 2;
the connecting pipe 2 is connected in the pipe flaring 113, and the pipe orifice 21 of the insertion end of the connecting pipe is abutted against the inclined plane 1111 or the inclined plane 1121;
the pipe orifice sealing cap 3 is positioned at the joint of the pipe flaring 113 and the connecting pipe 2, and is welded with the outer pipe wall 1131 of the pipe flaring 113 and the outer pipe wall 22 of the connecting pipe 2 so as to seal the gap at the joint of the mouth 1132 of the pipe flaring 113 and the connecting pipe 2;
the threaded connector 4 and the connecting pipe 2 are connected at one end opposite to the pipe flaring 113, the threaded connector 4 can be connected with an early warning sealing cap 5 or a pipe joint nut 6, the early warning sealing cap 5 can maintain pressure of the heat exchanger 1 or detect whether the refrigerant in the heat exchanger 1 leaks, and the pipe joint nut 6 can be connected with an external refrigerant filling device to add the refrigerant to the heat exchanger 1;
connect in pipe flaring 113 through connecting pipe 2, the mouth of pipe 21 and the inclined plane 1111 that connecting pipe 2 inserted the end, 1121 offsets, it is spacing to connecting pipe 2, can be better to accuse connecting pipe 2 depth of insertion, be favorable to mouth of pipe closing cap 3 and connecting pipe 2 and pipe flaring 113's being connected, prevent that connecting pipe 2 from inserting too shallowly and causing connecting pipe 2 and pipe flaring 113's unstability and influence mouth of pipe closing cap 3 weldability, through setting up connecting pipe 2, under the unchangeable condition in current technology basis, the problem of export North America air conditioner heat exchanger 1's pipe import 111 and pipe export 112 department do not take the unable early warning closing cap 5 that the pressure measurement was used of screw thread, the qualification rate of leak hunting has been improved.
Referring to fig. 2 or fig. 3 and fig. 7, in this embodiment, the nozzle sealing cap 3 includes a sealing tube 31 and an annular sealing plate 32 connected to the nozzle of the sealing tube 31, the sealing tube 31 is sleeved on the outer wall 1131 of the tube flaring 113 and welded to the outer wall 1131 of the tube flaring 113, the sealing plate 32 abuts against the mouth 1132 of the tube flaring 113 and welded to the outer wall 22 of the connecting tube 2, and the sealing plate 32 abuts against the tube flaring 113, so that the nozzle sealing cap 3 has better connectivity with the tube flaring 113 and the connecting tube 2, and the quality of the welds between the sealing tube 31 and the outer wall 1131 of the tube flaring 113 and between the sealing plate 32 and the outer wall 22 of the connecting tube 2 are better, thereby preventing refrigerant leakage.
Further, the inner diameter of the sealing tube 31 is larger than the outer diameter of the tube flaring 113, so that the sealing tube 31 can be quickly matched with the tube flaring 113, the assembling speed of the sealing tube 31 and the tube flaring 113 is increased, and the assembling efficiency is improved.
Further, the inner ring diameter of shrouding 32 equals with the outer pipe diameter size of connecting pipe 2 to it is more firm to make to be connected between shrouding 32 and the connecting pipe 2, and the stability of connecting is better, prevents because of shrouding 32 and connecting pipe 2 have the clearance when the cooperation, when the welding, causes the condition that the welding seam is easy to split.
In the present embodiment, referring to fig. 4 to 6, the tube flare 113 includes a first tube flare 1133 provided at the tube inlet 111 of the heat exchange tube 11, and a second tube flare 1134 provided at the tube outlet 112 of the heat exchange tube 11; the connection pipe 2 includes a first connection pipe 23 connected to the first pipe flare 1133, and a second connection pipe 24 connected to the second pipe flare 1134, the screw joint 4 includes a first screw joint 41 connected to the first connection pipe 2, and a second screw joint 42 connected to the second connection pipe 2, and the second screw joint 42 is connected to the early warning cap 5 to close the pipe outlet 112 of the heat exchange pipe 11, and to maintain pressure of the heat exchanger 1 and detect whether leakage occurs after the heat exchanger 1 is filled with the refrigerant.
When the heat exchanger 1 is filled with the refrigerant, the first threaded joint 41 is connected to the union nut 6, and the union nut 6 is provided with a joint 61 and connected to an external refrigerant filling device via the joint 61 to add the refrigerant to the heat exchanger 1.
When a user installs the indoor unit, the connecting pipe 2, the pipe opening sealing cap 3, the threaded joint 4 and the early warning sealing cap 5 or the pipe joint nut 6 are removed, the pipe expansion at the pipe inlet of the heat exchanger of the indoor unit is welded with the pipe expansion at the pipe inlet of the outdoor unit through the connecting pipe, the pipe expansion at the pipe outlet of the heat exchanger of the indoor unit is welded with the pipe expansion at the pipe outlet of the outdoor unit through the connecting pipe, and the connection of the indoor unit and the outdoor unit is completed.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are 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 one or more of that feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An air conditioner, characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the heat exchanger is provided with a heat exchange tube, and a tube flaring is arranged on a tube inlet or a tube outlet of the heat exchange tube;
a connection tube connected within the tube flare;
the pipe orifice sealing cap is positioned at the joint of the pipe flaring and the connecting pipe, is connected with the outer pipe wall of the pipe flaring and the outer pipe wall of the connecting pipe, and seals a gap between the opening part of the pipe flaring and the joint of the connecting pipe;
and the threaded connector is connected with one end of the pipe flaring, back to the connecting pipe, and the threaded connector can be connected with an early warning sealing cap or a pipe joint nut.
2. The air conditioner according to claim 1, wherein: the mouth of pipe sealing cap including the tube sealing and with the annular shrouding that the tube sealing mouth of pipe is connected, the tube sealing with the outer pipe wall connection of pipe flaring, the shrouding with the oral area of pipe flaring offsets, and with the outer pipe wall connection of connecting pipe.
3. The air conditioner according to claim 2, wherein: the inner pipe diameter of the seal pipe is larger than the outer pipe diameter of the pipe flaring.
4. The air conditioner according to claim 2, wherein: the diameter of the inner ring of the sealing plate is equal to the size of the outer pipe diameter of the connecting pipe.
5. The air conditioner according to claim 1, wherein: the tube flare includes a first tube flare disposed at a tube inlet of the heat exchange tube and a second tube flare disposed at a tube outlet of the heat exchange tube.
6. The air conditioner according to claim 5, wherein: the connecting pipe comprises a first connecting pipe connected with the first pipe flaring and a second connecting pipe connected with the second pipe flaring.
7. The air conditioner according to claim 6, wherein: the threaded joint comprises a first threaded joint connected with the first connecting pipe and a second threaded joint connected with the second connecting pipe.
8. The air conditioner according to claim 7, wherein: the second screwed joint is connected with the early warning sealing cap.
9. The air conditioner according to claim 7, wherein: the first threaded connector is connected with the union nut to fill the heat exchanger with refrigerant.
10. The air conditioner according to claim 1, wherein: the tube flare is cylindrical in shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540286.3U CN212179065U (en) | 2020-04-13 | 2020-04-13 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020540286.3U CN212179065U (en) | 2020-04-13 | 2020-04-13 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212179065U true CN212179065U (en) | 2020-12-18 |
Family
ID=73769928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020540286.3U Active CN212179065U (en) | 2020-04-13 | 2020-04-13 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212179065U (en) |
-
2020
- 2020-04-13 CN CN202020540286.3U patent/CN212179065U/en active Active
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