CN210463680U - Capillary tube and air conditioner with same - Google Patents
Capillary tube and air conditioner with same Download PDFInfo
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- CN210463680U CN210463680U CN201921283319.4U CN201921283319U CN210463680U CN 210463680 U CN210463680 U CN 210463680U CN 201921283319 U CN201921283319 U CN 201921283319U CN 210463680 U CN210463680 U CN 210463680U
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Abstract
The utility model discloses a capillary and air conditioner that has it, capillary are integrative and include: the pipe comprises a first pipe section and a second pipe section, wherein one end of the first pipe section is connected with one end of the second pipe section, and the inner diameter of the second pipe section is larger than that of the first pipe section. According to the utility model discloses a capillary, through setting up first pipeline section and second pipeline section, make the cross-sectional area in the hole of second pipeline section be greater than the cross-sectional area in the hole of first pipeline section, and first pipeline section and second pipeline section integrated into one piece, one end and other spare parts cooperation when keeping away from first pipeline section through the second pipeline section, can directly utilize the second pipeline section to keep away from the one end and other spare parts direct welded connection of first pipeline section, can avoid welding a transition pipeline section, the quantity of welding department when having reduced capillary and other spare parts and assembling, the man-hour of having shortened manpower has been realized, reduce the possibility that the capillary appears the weld leakage.
Description
Technical Field
The utility model belongs to the technical field of air treatment equipment, particularly, relate to a capillary and air conditioner that has it.
Background
In the related art, the evaporator member is welded to the capillary tube and the evaporator tube while being divided into a plurality of flow paths all the way during the welding process. Because the difference between the outer diameter of the capillary and the diameter of the copper pipe of the evaporator is large, the capillary and the copper pipe of the evaporator cannot be directly welded, and a section of transition pipe needs to be added for connection, so that two welding ports exist in the connection of the single capillary and the evaporator. However, one more crater is a risk of one more solder leakage, which increases labor hour and labor cost.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a capillary tube, capillary tube only need when being connected with the evaporimeter pipeline a welding department can, reduce the risk of weld leakage, can shorten the manual work man-hour and reduce the human cost.
The utility model also provides an air conditioner, including foretell capillary.
According to the utility model discloses capillary, capillary are integrative and include: the pipe comprises a first pipe section and a second pipe section, wherein one end of the first pipe section is connected with one end of the second pipe section, and the inner diameter of the second pipe section is larger than that of the first pipe section.
According to the utility model discloses the capillary, through setting up first pipeline section and second pipeline section, make the cross-sectional area in the hole of second pipeline section be greater than the cross-sectional area in the hole of first pipeline section, and first pipeline section and second pipeline section integrated into one piece, one end and other spare parts cooperation when keeping away from first pipeline section through the second pipeline section, can directly utilize the second pipeline section to keep away from the one end and other spare parts direct welded connection of first pipeline section, can avoid welding a transition pipeline section, the quantity of welding department when having reduced the capillary and assembling with other spare parts, the manpower has been shortened to the realization, reduce the possibility that the capillary appears the welding leakage.
According to some embodiments of the invention, the inner diameter of the second pipe section is equal along the length direction of the second pipe section.
According to some embodiments of the utility model, the capillary still includes first gradual change pipeline section, first gradual change pipeline section is connected between the one end of first pipeline section and the one end of second pipeline section, the cross-sectional area of the hole of the one end of being connected with first pipeline section of first gradual change pipeline section equals with the cross-sectional area of the one end of being connected with first gradual change pipeline section of first pipeline section, the cross-sectional area of the hole of the one end of being connected with second pipeline section of first gradual change pipeline section equals with the cross-sectional area of the one end of being connected with first gradual change pipeline section of second pipeline section, and in the direction of first pipeline section to second pipeline section, the internal diameter of first gradual change pipeline section increases gradually.
Further, the wall thicknesses of the first tube section, the second tube section and the first transition tube section are equal.
According to some embodiments of the invention, the axes of the first and second pipe sections are on the same line.
According to some embodiments of the invention, the length L1 of the second pipe section is 3mm-20 mm.
According to some embodiments of the present invention, the capillary tube further comprises a third tube section, the third tube section is connected to the end of the first tube section away from the second tube section and is communicated with the first tube section, and the inner diameter of the third tube section is larger than the inner diameter of the first tube section.
Further, the inner diameter of the third tube section is equal along the length of the third tube section.
Further, the capillary tube also comprises a second gradual change pipe section, the second gradual change pipe section is connected between one end, far away from the second pipe section, of the first pipe section and one end of the third pipe section, the cross-sectional area of a hole of one end, connected with the first pipe section, of the second gradual change pipe section is equal to that of one end, connected with the second gradual change pipe section, of the first pipe section, the cross-sectional area of a hole of one end, connected with the third pipe section, of the second gradual change pipe section is equal to that of one end, connected with the second gradual change pipe section, of the third pipe section, and the inner diameter of the second gradual change pipe section is gradually increased in the direction from the first pipe section to the third pipe section.
Further, the wall thicknesses of the first tube section, the third tube section and the second tapered tube section are equal.
Further, the axes of the first, second and third pipe sections are collinear.
Further, the length L2 of the third tube segment satisfies: 3mm-20 mm.
According to the utility model discloses air conditioner, include: the capillary tube described above; and one end of the evaporator pipeline is connected with one end of the second pipe section, which is far away from the first pipe section.
According to the utility model discloses air conditioner, through setting up first pipeline section and second pipeline section, make the cross-sectional area in the hole of second pipeline section be greater than the cross-sectional area in the hole of first pipeline section, and first pipeline section and second pipeline section integrated into one piece, one end and other spare parts cooperation when keeping away from first pipeline section through the second pipeline section, can directly utilize the second pipeline section to keep away from the one end and other spare parts welded connection of first pipeline section, can avoid welding a transition pipeline section, the quantity of welding department when having reduced capillary and other spare parts and assembling, the man-hour of having realized shortening manpower, reduce the possibility that the capillary appears welding leakage.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic view of a capillary tube according to an embodiment of the present invention;
fig. 2 is a schematic view of a capillary tube according to another embodiment of the present invention.
Reference numerals:
the capillary tube comprises a capillary tube 1, a first tube section 10, a second tube section 20, a first gradient tube section 30, a third tube section 40 and a second gradient tube section 50.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A capillary tube 1 according to an embodiment of the present invention is described below with reference to the drawings.
According to the embodiment of the present invention, as shown in fig. 1 and 2, the capillary tube 1 is an integrated piece and includes: a first pipe section 10 and a second pipe section 20, one end of the first pipe section 10 is connected with one end of the second pipe section 20, and the inner diameter of the second pipe section 20 is larger than that of the first pipe section 10.
It will be appreciated that the first 10 and second 20 pipe sections are in communication.
It should be noted that the inner diameter of the second pipe section 20 may be the same or different along the length of the second pipe section 20. The internal diameter of the first pipe section 10 may be the same or different along the length of the first pipe section 10.
It should be noted that when the capillary tube 1 is applied to an air conditioner, the end of the second tube section 20 away from the first tube section 10 is matched with other parts in the air conditioner, for example, when the second tube section 20 needs to be connected with an evaporator, the inner diameter of the end of the second tube section 20 away from the first tube section 10 is designed according to the inner diameter of the evaporator pipeline.
It should be noted that the first pipe section 10 and the second pipe section 20 may be circular pipes, polygonal pipes, such as square pipes, and the like. The corresponding holes of the first pipe segment 10 and the second pipe segment 20 may be circular holes or polygonal holes such as square holes. When the first and second tubular segments 10 and 20 are polygonal tubes, the inner diameter thereof is the diameter of the circumscribed circle of the hole.
According to the utility model discloses capillary 1, through setting up first pipeline section 10 and second pipeline section 20, make the cross-sectional area in the hole of second pipeline section 20 be greater than the cross-sectional area in the hole of first pipeline section 10, and first pipeline section 10 and second pipeline section 20 integrated into one piece, one end and other spare parts cooperation of keeping away from first pipeline section 10 through second pipeline section 20, one end and other spare parts direct welded connection that first pipeline section 10 was kept away from to second pipeline section 20 can directly be utilized, can avoid welding a transition pipeline section, the quantity of welding department when capillary 1 assembles with other spare parts has been reduced, the manpower man-hour has been shortened in the realization, reduce the possibility that the welding leaks appears in capillary 1.
According to the utility model discloses a some embodiments, along the length direction of second pipeline section 20, the internal diameter of second pipeline section 20 equals, can overlap when can making second pipeline section 20 assemble with other spare parts and establish and weld together, has reduced the possibility of weld leakage. Accordingly, as shown in fig. 1 and 2, the cross-sectional area of the outer diameter of the second tube section 20 is equal along the length of the second tube section 20.
According to some embodiments of the present invention, as shown in fig. 1 and 2, the capillary tube 1 further includes a first transition pipe section 30, the first transition pipe section 30 is connected between one end of the first pipe section 10 and one end of the second pipe section 20, a cross-sectional area of a hole of one end of the first transition pipe section 30 connected to the first pipe section 10 is equal to a cross-sectional area of one end of the first pipe section 10 connected to the first transition pipe section 30, a cross-sectional area of a hole of one end of the first transition pipe section 30 connected to the second pipe section 20 is equal to a cross-sectional area of one end of the second pipe section 20 connected to the first transition pipe section 30, in addition, in the direction from the first tube section 10 to the second tube section 20, the inner diameter of the first gradual change tube section 30 is gradually increased, so that the inner diameter of the first tube section 10 is gradually transited to the cross-sectional area of the hole corresponding to the second tube section 20, the stress concentration is reduced, and the service life of the capillary tube 1 is prolonged.
It will be appreciated that the first tube section 10, the first transition tube section 30 and the second tube section 20 are integrally formed.
It should be noted that the inner diameter of the first transition pipe section 30 may increase uniformly or non-uniformly in the direction from the first pipe section 10 to the second pipe section 20, and preferably, the inner diameter of the first transition pipe section 30 increases uniformly.
It should be noted that the first transition section 30 may be a circular tube, a polygonal tube such as a square tube, or the like. The corresponding holes of the respective first transition sections 30 may be circular holes or polygonal holes, such as square holes. When the first transition section 30 is a polygonal tube, its inner diameter is the diameter of the circle circumscribing the hole.
It should be noted that, preferably, the wall thickness of the first tapered pipe section 30 is the same in all positions in the direction from the first pipe section 10 to the second pipe section 20, so that the possibility of breakage of the capillary 1 at the positions can be reduced.
Further, the wall thicknesses of the first tube segment 10, the second tube segment 20 and the first transition tube segment 30 are equal, so that the possibility of breakage of the capillary tube 1 can be reduced, and the service life of the capillary tube 1 can be prolonged.
According to the utility model discloses a some embodiments, the axis of first pipeline section 10 and second pipeline section 20 is on same straight line, can further reduce the processing degree of difficulty, can improve capillary 1's life simultaneously.
According to some embodiments of the present invention, the length L1 of the second pipe section 20 is 3mm-20mm, e.g. 4mm, 7mm, 10mm or 15mm, etc. Thereby increasing structural diversity. Preferably, the length L1 of the second tube segment 20 is 5 mm.
According to some embodiments of the present invention, as shown in fig. 2, the capillary tube 1 further includes a third tube segment 40, the third tube segment 40 is connected to an end of the first tube segment 10 away from the second tube segment 20 and is communicated with the first tube segment 10, and an inner diameter of the third tube segment 40 is larger than an inner diameter of the first tube segment 10.
It will be appreciated that the third tube section 40, the first tube section 10 and the second tube section 20 are integrally formed.
It should be noted that the inside diameter of the third pipe section 40 may be the same or different along the length of the third pipe section 40.
The third pipe segment 40 may be a circular pipe, a polygonal pipe, such as a square pipe, or the like. The corresponding hole of the corresponding third tube segment 40 may be a circular hole or a polygonal hole such as a square hole. When the third tube section 40 is a polygonal tube, its inner diameter is the diameter of the circle circumscribing the hole.
It should be noted that when the capillary tube 1 is applied to an air conditioner, the end of the third tube segment 40 away from the first tube segment 10 is matched with other parts in the air conditioner, for example, when the third tube segment 40 needs to be connected with a distributor, the inner diameter of the end of the third tube segment 40 away from the first tube segment 10 is designed according to the inner diameter of the pipeline of the distributor. Therefore, welding of a transition pipe can be avoided, the number of welding positions is reduced, and the risk of welding leakage is reduced.
Further, along the length direction of the third pipe section 40, the inner diameters of the third pipe section 40 are equal, so that the third pipe section 40 and other parts can be sleeved together for welding when being assembled, and the possibility of welding leakage is reduced.
Further, as shown in fig. 2, the capillary tube 1 further includes a second transition section 50, the second transition section 50 is connected between an end of the first section 10 away from the second section 20 and an end of the third section 40, a cross-sectional area of a hole of the second transition section 50 at the end connected to the first section 10 is equal to a cross-sectional area of an end of the first section 10 connected to the second transition section 50, a cross-sectional area of a hole of the second transition section 50 at the end connected to the third section 40 is equal to a cross-sectional area of an end of the third section 40 connected to the second transition section 50, in the direction from the first tube section 10 to the third tube section 40, the inner diameter of the second gradual change tube section 50 is gradually increased, so that the inner diameter of the first tube section 10 can be smoothly transited to the cross-sectional area of the hole corresponding to the third tube section 40, the stress concentration is reduced, and the service life of the capillary tube 1 is prolonged.
It will be appreciated that the first tube section 10, the second tapered tube section 50 and the third tube section 40 are integrally formed.
It should be noted that the inner diameter of the second transition pipe section 50 may increase uniformly or non-uniformly in the direction from the second pipe section 20 to the third pipe section 40, and preferably, the inner diameter of the second transition pipe section 50 increases uniformly.
It should be noted that the second transition section 50 may be a circular tube, a polygonal tube such as a square tube, or the like. The corresponding holes of the respective second transition sections 50 may be circular holes or polygonal holes, such as square holes. When the second transition section 50 is a polygonal tube, its inner diameter is the diameter of the circle circumscribing the hole.
It should be noted that, preferably, the wall thickness of the second tapered tube section 50 is the same in all positions in the direction from the first tube section 10 to the third tube section 40, so that the possibility of breakage of the capillary tube 1 at the positions can be reduced.
Further, the equal wall thickness of the first segment 10, the third segment 40, and the second tapered segment 50 can reduce the possibility of the capillary 1 breaking at this point.
Further, the axes of the first tube segment 10, the second tube segment 20 and the third tube segment 40 are on the same straight line, so that the processing difficulty can be further reduced, and the service life of the capillary tube 1 can be prolonged.
Further, the length L2 of the third tube segment 40 satisfies: 3mm-20 mm. For example 4mm, 7mm, 10mm or 15mm etc. Thereby increasing structural diversity. Preferably, the length L2 of the third tube segment 40 is 5 mm.
According to the utility model discloses air conditioner, include: the capillary 1 described above; an evaporator line, one end of which is connected to the end of the second tube section 20 remote from the first tube section 10.
According to the utility model discloses air conditioner, through setting up first pipeline section 10 and second pipeline section 20, make the cross-sectional area in the hole of second pipeline section 20 be greater than the cross-sectional area in the hole of first pipeline section 10, and first pipeline section 10 and second pipeline section 20 integrated into one piece, one end and other spare parts cooperation of keeping away from first pipeline section 10 through second pipeline section 20, one end and other spare parts direct welded connection that first pipeline section 10 was kept away from to second pipeline section 20 can directly be utilized, can avoid welding a transition pipeline section, the quantity of welding department when capillary 1 assembles with other spare parts has been reduced, the manpower man-hour has been shortened, reduce the possibility that the welding leaks appears in capillary 1.
In the description of the present invention, it is to be understood that the terms "length", "thickness", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, 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, "a plurality" means two or more unless otherwise specified.
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; can be mechanically or electrically 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.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (13)
1. A capillary tube, wherein the capillary tube is a unitary piece and comprises: the pipe comprises a first pipe section and a second pipe section, wherein one end of the first pipe section is connected with one end of the second pipe section, and the inner diameter of the second pipe section is larger than that of the first pipe section.
2. The capillary of claim 1, wherein the second tube segment has an equal inner diameter along the length of the second tube segment.
3. The capillary tube according to claim 1, further comprising a first transition tube section connected between an end of the first tube section and an end of the second tube section, wherein a cross-sectional area of a hole of the end of the first transition tube section connected to the first tube section is equal to a cross-sectional area of the end of the first tube section connected to the first transition tube section, a cross-sectional area of a hole of the end of the first transition tube section connected to the second tube section is equal to a cross-sectional area of the end of the second tube section connected to the first transition tube section, and an inner diameter of the first transition tube section gradually increases in a direction from the first tube section to the second tube section.
4. The capillary of claim 3, wherein the wall thicknesses of the first tube segment, the second tube segment, and the first tapered tube segment are equal.
5. The capillary of claim 1, wherein the axes of the first tube segment and the second tube segment are collinear.
6. The capillary of claim 1, said second tube segment having a length L1 of 3mm-20 mm.
7. The capillary of claim 1, further comprising a third tube segment connected to an end of the first tube segment remote from the second tube segment and in communication with the first tube segment, the third tube segment having an inner diameter greater than the inner diameter of the first tube segment.
8. The capillary of claim 7, wherein the inner diameter of the third tube segment is equal along the length of the third tube segment.
9. The capillary tube according to claim 7, further comprising a second transition tube section connected between an end of the first tube section remote from the second tube section and an end of the third tube section, the second transition tube section having an end connected to the first tube section with a bore having a cross-sectional area equal to that of the end of the first tube section connected to the second transition tube section, the second transition tube section having an end connected to the third tube section with a bore having a cross-sectional area equal to that of the end of the third tube section connected to the second transition tube section, and the second transition tube section having an inner diameter that gradually increases in a direction from the first tube section to the third tube section.
10. The capillary of claim 9, wherein the wall thicknesses of the first tube segment, the third tube segment, and the second tapered tube segment are equal.
11. The capillary of claim 7, wherein the axes of the first, second, and third tube segments are collinear.
12. The capillary of claim 7, wherein the length L2 of the third tube segment satisfies: 3mm-20 mm.
13. An air conditioner, comprising:
the capillary tube of any one of claims 1-12;
and one end of the evaporator pipeline is connected with one end of the second pipe section, which is far away from the first pipe section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283319.4U CN210463680U (en) | 2019-08-08 | 2019-08-08 | Capillary tube and air conditioner with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921283319.4U CN210463680U (en) | 2019-08-08 | 2019-08-08 | Capillary tube and air conditioner with same |
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| Publication Number | Publication Date |
|---|---|
| CN210463680U true CN210463680U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921283319.4U Active CN210463680U (en) | 2019-08-08 | 2019-08-08 | Capillary tube and air conditioner with same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202300A1 (en) * | 2022-04-21 | 2023-10-26 | 合肥美的电冰箱有限公司 | Method for forming air return pipe, forming die and air return pipe |
-
2019
- 2019-08-08 CN CN201921283319.4U patent/CN210463680U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023202300A1 (en) * | 2022-04-21 | 2023-10-26 | 合肥美的电冰箱有限公司 | Method for forming air return pipe, forming die and air return pipe |
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