CN214248575U - Coaxial pipe and vehicle air conditioner for vehicle air conditioner - Google Patents
Coaxial pipe and vehicle air conditioner for vehicle air conditioner Download PDFInfo
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- CN214248575U CN214248575U CN202023137927.XU CN202023137927U CN214248575U CN 214248575 U CN214248575 U CN 214248575U CN 202023137927 U CN202023137927 U CN 202023137927U CN 214248575 U CN214248575 U CN 214248575U
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Abstract
The utility model discloses a vehicle air conditioner is with axle pipe and vehicle air conditioner, vehicle air conditioner is with axle pipe includes: the pipe body comprises an outer pipe and an inner pipe arranged in the outer pipe, the central axis of the outer pipe is superposed with that of the inner pipe, and an annular chamber is defined between the outer pipe and the inner pipe; the pressing plate is integrated at one end of the pipe body and is connected with the outer pipe and the inner pipe in a sealing mode respectively, a connecting channel is defined in the pressing plate, and the outer pipe and the inner pipe are connected with the inner wall of the connecting channel. According to the utility model discloses a car idle call is with axle pipe, through integrated as an organic whole with clamp plate and body, not only make spare part quantity less, still make structural arrangement compacter, reduced the occupation to the motorcycle type arrangement space, the integrated level is higher.
Description
Technical Field
The utility model relates to an automotive filed particularly, relates to a car idle call is with axle pipe and vehicle air conditioner.
Background
With the development of the automobile refrigeration technology, the application of the automobile air conditioner coaxial pipe becomes one of the important means for improving the cooling performance of the air conditioner. Due to the complex production process of the coaxial pipe, particularly under the conditions that the number of vehicle layout parts is more and the space is limited at present, more severe requirements are provided for the scheme design of the coaxial pipe.
The coaxial pipe of the automobile air conditioner in the related art has a large number of parts under the condition of the same design length of the coaxial pipe section, and occupies a large vehicle type arrangement space because of a large number of pipeline branches when the pipeline is arranged.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an automobile air conditioner is with axle pipe, spare part quantity is less, and the structural arrangement is compacter, practices thrift the motorcycle type and arranges the space.
The utility model discloses still provide an automobile air conditioner with above-mentioned automobile air conditioner is with axle pipe.
According to the utility model discloses vehicle air conditioner is with axle pipe of first aspect, include: the pipe body comprises an outer pipe and an inner pipe arranged in the outer pipe, the central axis of the outer pipe is superposed with that of the inner pipe, and an annular chamber is defined between the outer pipe and the inner pipe; the pressing plate is integrated at one end of the pipe body and is connected with the outer pipe and the inner pipe in a sealing mode respectively, a connecting channel is defined in the pressing plate, and the outer pipe and the inner pipe are connected with the inner wall of the connecting channel.
According to the utility model discloses a car idle call is with axle pipe, through integrated as an organic whole with clamp plate and body, not only make spare part quantity less, still make structural arrangement compacter, reduced the occupation to the motorcycle type arrangement space, the integrated level is higher.
According to the utility model discloses an embodiment, be equipped with high-pressure drainage hole on the outer tube, be equipped with drainage channel on the clamp plate, high-pressure drainage hole with drainage channel corresponds the setting so that drainage channel with the annular cavity is linked together.
According to another embodiment of the present invention, the connection channel comprises: the inner tube is connected with the inner wall of the first channel, and the inner tube is connected with the inner wall of the second channel.
According to the utility model discloses an optional example, connect the passageway and still include the third passageway, the third passageway is located the right side of second passageway, the third passageway with the second passageway is linked together, the internal diameter of third passageway is greater than the internal diameter of second passageway, the right-hand member of inner tube forms into the low pressure side tail end, the low pressure side tail end with the inner wall expanded joint fastening of third passageway links to each other.
According to the utility model discloses another optional example, the coaxial pipe of vehicle air conditioner still includes: and the sealing ring is matched in the sealing groove to seal a gap between the inner pipe and the inner wall of the second channel.
Furthermore, the inner tube is provided with two convex ribs which respectively extend around the outer peripheral wall of the inner tube, the two convex ribs are arranged in the axial direction of the inner tube in parallel and at intervals, and the two convex ribs define the sealing groove.
Further, one of the two ribs facing the tail end of the low-pressure side abuts against a step surface on the inner wall of the second channel.
According to yet another alternative embodiment of the present invention, the inner tube and the inner wall of the second channel are welded together.
According to an alternative embodiment of the present invention, the outer tube is welded to the inner wall of the first passage.
According to the utility model discloses vehicle air conditioner of second aspect, including the vehicle air conditioner coaxial pipe in the above-mentioned embodiment.
According to the utility model discloses a vehicle air conditioner through integrated as an organic whole with clamp plate and body, not only makes spare part quantity less, still makes structural arrangement compacter, has reduced the occupation to the motorcycle type arrangement space, and the integrated level is higher.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a sectional view of a coaxial pipe for an automotive air conditioner according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a platen according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a tube according to an embodiment of the present invention;
fig. 4 is another schematic cross-sectional view of a tube according to an embodiment of the present invention;
fig. 5 is a schematic view of a coaxial pipe for an automotive air conditioner according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is a schematic view of another view angle of the coaxial pipe for the vehicle air conditioner according to the embodiment of the present invention;
FIG. 8 is a cross-sectional view taken along line B-B of FIG. 7;
fig. 9 is a schematic view of another view angle of the coaxial pipe for the vehicle air conditioner according to the embodiment of the present invention;
FIG. 10 is a schematic view of FIG. 9 taken along line C;
FIG. 11 is a schematic view of FIG. 9 taken along line D;
fig. 12 is a schematic view of fig. 9 taken along direction E.
Description of reference numerals:
the number of the coaxial tubes 100 is such that,
the high-pressure drainage pipe comprises a pipe body 10, an outer pipe 11, an inner pipe 12, an annular chamber 13, a high-pressure drainage hole 14, a low-pressure side tail end 15, a convex rib 16, a step surface 17,
A pressure plate 20, a connecting passage 21, a first passage 211, a second passage 212, a third passage 213, a flow guide passage 22,
And a seal ring 30.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail with reference to fig. 1 to 12 in conjunction with the embodiments.
As shown in fig. 1 and 6, a coaxial pipe 100 for an automotive air conditioner according to an embodiment of the present invention includes a pipe body 10 and a pressure plate 20. Wherein the tubular body 10 comprises an outer tube 11 and an inner tube 12, wherein the inner tube 12 is arranged inside the outer tube 11, the central axis of the outer tube 11 and the central axis of the inner tube 12 coincide, and an annular chamber 13 is defined between the outer tube 11 and the inner tube 12. It will be appreciated that there is a flow of refrigerant medium both within the annular cavity and inside the inner tube 12.
Further, a pressing plate 20 is integrated at one end of the pipe body 10 (the right end of the pipe body 10 shown in fig. 1), the pressing plate 20 is hermetically connected to the outer pipe 11 and the inner pipe 12, respectively, a connecting passage 21 is defined in the pressing plate 20, and both the outer pipe 11 and the inner pipe 12 are connected to the inner wall of the connecting passage 21.
In a coaxial pipe for an automobile air conditioner in the related art, the number of parts on the coaxial pipe is large, and a large arrangement space is occupied. And in the embodiment of the utility model provides an in, through the one end with clamp plate 20 integration at body 10, also make the part tube coupling also concentrate on clamp plate 20 department, compare with the coaxial pipe of vehicle air conditioner among the correlation technique, when reducing spare part quantity, also practiced thrift the arrangement space.
According to the utility model discloses automobile air conditioner is with axle pipe 100, through integrated as an organic whole with clamp plate 20 and body 10, not only make spare part quantity less, still make structural arrangement compacter, reduced the occupation to the motorcycle type arrangement space, the integrated level is higher.
According to the utility model discloses an embodiment is equipped with high-pressure drainage hole 14 on the outer tube 11, is equipped with drainage channel 22 on the clamp plate 20, and high-pressure drainage hole 14 and drainage channel 22 correspond the setting so that drainage channel 22 and annular chamber 13 are linked together.
As shown in fig. 1, a high-pressure drainage hole 14 is formed in the lower side of the outer tube 11, a drainage channel 22 extending downward is formed in the lower portion of the pressure plate 20, and the high-pressure drainage hole 14 and the drainage channel 22 are opposite to each other in the vertical direction, so that the high-pressure refrigerant in the annular cavity is connected with a condenser of an automobile air conditioner through the drainage channel 22 and an external pipeline.
It can be understood that, in the correlation technique, the coaxial pipe body that the pipeline of vehicle air conditioner used is mostly separated when docking with other pipelines and docks separately, and coaxial pipe end low pressure and high-pressure pipe are separated in advance promptly, and high, low-pressure pipe dock with the connecting line through the clamp plate respectively, lead to part quantity many, and the pipeline arrangement occupies the space greatly, is unfavorable for compactness, the aesthetic property promotion in cabin arrangement space.
And in the embodiment of the utility model provides an in, through the one end with clamp plate 20 integration at coaxial pipe 100 body 10, and then set up drainage channel 22 on clamp plate 20 also, concentrate high pressure, low pressure pipeline all and set up in clamp plate 20 department, also need not to set up special drainage pipe fitting, reduced the quantity of spare parts such as pipeline, when realizing body 10 one end positioning in addition, improved the compactedness and the aesthetic property of motorcycle type spatial arrangement.
As shown in fig. 1 and 6, according to another embodiment of the present invention, the connection passage 21 includes: a first passage 211 and a second passage 212 communicating with each other in a left-to-right direction, the first passage 211 having an inner diameter larger than that of the second passage 212, the outer tube 11 being connected to an inner wall of the first passage 211, and the inner tube 12 being connected to an inner wall of the second passage 212.
Referring to fig. 1 and 6, at one end of the pipe body 10 (the right end of the pipe body 10 as shown in fig. 1), the inner pipe 12 protrudes rightward beyond the outer pipe 11, and the outer pipe 11 is coupled to the inner wall of the first passage 211 and the inner pipe 12 is coupled to the inner wall of the second passage 212, thereby achieving a hermetic connection between the pipe body 10 and the pressure plate 20.
As shown in fig. 1 and 2, according to an alternative example of the present invention, the connection channel 21 further includes a third channel 213, the third channel 213 is located at the right side of the second channel 212, the third channel 213 is communicated with the second channel 212, the inner diameter of the third channel 213 is larger than the inner diameter of the second channel 212, the right end of the inner tube 12 is formed as a low pressure side end 15, and the low pressure side end 15 is connected with the inner wall of the third channel 213 in an expansion joint and fastening manner. Therefore, the low-pressure side tail end 15 and the third channel 213 can be connected in a matched mode, and the low-pressure side tail end 15 and the inner wall of the third channel 213 are in expanded connection and fastening fit, so that the connection reliability can be guaranteed, and the sealing performance between the low-pressure side tail end 15 and the inner wall of the third channel 213 can be guaranteed.
It will be appreciated that the low pressure side tail end 15 is connected to the compressor of the vehicle air conditioner by a line.
As shown in fig. 1, according to another alternative example of the present invention, the coaxial pipe 100 for an automobile air conditioner further includes a seal ring 30, and a seal groove is provided on the inner pipe 12, and the seal ring 30 is fitted in the seal groove to seal a gap between the inner pipe 12 and an inner wall of the second passage 212.
Further, two ribs 16 extending around the outer circumferential wall of the inner tube 12 are provided on the inner tube 12, the two ribs 16 are arranged in parallel and spaced apart in the axial direction of the inner tube 12, and the two ribs 16 define a sealing groove for installing the mating sealing ring 30.
Further, one of the two ribs 16 toward the low-pressure side end 15 abuts on the stepped surface 17 on the inner wall of the second passage 212 for positioning the pipe body 10 and the pressure plate 20.
As shown in fig. 6, according to still another alternative example of the present invention, the inner tube 12 is welded to the inner wall of the second channel 212, so that the connection reliability between the inner tube 12 and the pressing plate 20 can be ensured, and the sealing performance between the inner tube 12 and the inner wall of the second channel 212 can be achieved.
According to the utility model discloses optional embodiment, the inner wall welding of outer tube 11 and first passageway 211 links to each other, both can ensure the connection reliability between outer tube 11 and clamp plate 20, can also realize the leakproofness between outer tube 11 and the first passageway 211 inner wall.
In the related art, since the high and low pressure pipes of the coaxial pipe are branched in advance and connected by the pressing plates, respectively, the number of parts is large; when the pipeline is arranged, the occupied space is large because the pipeline has more branches; in addition, because the inner and outer pipelines branch in advance, the welding length is required to be reserved, and the length of the coaxial pipe is shortened.
The utility model discloses automobile air conditioner is with axle pipe 100 has solved with axle pipe 100 when connecting that the part is many, arranges the big problem in space, satisfies the user and arranges the space requirement to the cabin of passenger car, and body 10 and the integrated design of clamp plate 20 increase with axle pipe 100's body 10 length under the same space condition of arranging, promote passenger cabin refrigeration performance.
According to the present invention, the vehicle air conditioner of the second aspect comprises the coaxial pipe 100 for the vehicle air conditioner in the above embodiment.
According to the utility model discloses vehicle air conditioner through integrated as an organic whole with clamp plate 20 and body 10, not only makes spare part quantity less, still makes structural arrangement compacter, has reduced the occupation to the motorcycle type arrangement space, and the integrated level is higher.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Coaxial pipe (100) for automotive air conditioning, characterized by comprising:
a pipe body (10), wherein the pipe body (10) comprises an outer pipe (11) and an inner pipe (12) arranged inside the outer pipe (11), the central axis of the outer pipe (11) is coincident with the central axis of the inner pipe (12), and an annular chamber (13) is defined between the outer pipe (11) and the inner pipe (12);
the pressing plate (20), the pressing plate (20) is integrated in one end of the pipe body (10), the pressing plate (20) is connected with the outer pipe (11) and the inner pipe (12) in a sealing mode respectively, a connecting channel (21) is defined in the pressing plate (20), and the outer pipe (11) and the inner pipe (12) are connected with the inner wall of the connecting channel (21).
2. The coaxial pipe (100) for the automobile air conditioner as claimed in claim 1, wherein the outer pipe (11) is provided with a high-pressure drainage hole (14), the pressure plate (20) is provided with a drainage channel (22), and the high-pressure drainage hole (14) and the drainage channel (22) are correspondingly arranged so that the drainage channel (22) is communicated with the annular chamber (13).
3. Coaxial pipe for automotive air conditioning (100) according to claim 1 or 2, characterized in that said connection channel (21) comprises: the inner tube structure comprises a first channel (211) and a second channel (212) which are communicated with each other in the left-to-right direction, the inner diameter of the first channel (211) is larger than that of the second channel (212), the outer tube (11) is connected with the inner wall of the first channel (211), and the inner tube (12) is connected with the inner wall of the second channel (212).
4. The coaxial pipe (100) for the automobile air conditioner as claimed in claim 3, wherein the connection channel (21) further comprises a third channel (213), the third channel (213) is located on the right side of the second channel (212), the third channel (213) is communicated with the second channel (212), the inner diameter of the third channel (213) is larger than that of the second channel (212), the right end of the inner pipe (12) is formed as a low pressure side tail end (15), and the low pressure side tail end (15) is connected with the inner wall of the third channel (213) in an expansion joint and fastening manner.
5. The coaxial pipe (100) for vehicle air conditioner according to claim 4, characterized by further comprising: and the sealing ring (30) is arranged on the inner pipe (12) and is matched in the sealing groove to seal a gap between the inner pipe (12) and the inner wall of the second channel (212).
6. The coaxial pipe (100) for vehicle air conditioner according to claim 5, characterized in that two ribs (16) extending respectively around the outer peripheral wall of the inner pipe (12) are provided on the inner pipe (12), the two ribs (16) are arranged in parallel and spaced apart in the axial direction of the inner pipe (12), and the two ribs (16) define the seal groove.
7. The coaxial pipe (100) for vehicle air conditioner according to claim 6, characterized in that one of the two beads (16) toward the low pressure side tail end (15) stops against a step surface (17) on the inner wall of the second passage (212).
8. Coaxial pipe (100) for automotive air conditioning according to claim 3, characterized in that said inner pipe (12) is welded to the inner wall of said second channel (212).
9. Coaxial pipe (100) for automotive air conditioning according to claim 3, characterized in that said outer pipe (11) and the inner wall of said first channel (211) are welded.
10. A vehicle air conditioner, characterized by comprising the coaxial pipe (100) for vehicle air conditioner according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137927.XU CN214248575U (en) | 2020-12-23 | 2020-12-23 | Coaxial pipe and vehicle air conditioner for vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137927.XU CN214248575U (en) | 2020-12-23 | 2020-12-23 | Coaxial pipe and vehicle air conditioner for vehicle air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214248575U true CN214248575U (en) | 2021-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137927.XU Active CN214248575U (en) | 2020-12-23 | 2020-12-23 | Coaxial pipe and vehicle air conditioner for vehicle air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214248575U (en) |
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2020
- 2020-12-23 CN CN202023137927.XU patent/CN214248575U/en active Active
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