Pipe structure for vehicle
By setting a partition inside the cylindrical piping body on the front wall of the carriage, the space is divided into multiple flow channels, which solves the problem of reduced rigidity caused by through holes, and realizes the improvement of rigidity and heat insulation performance of the front wall of the carriage, thus achieving the application of heat insulation technology.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TOYOTA JIDOSHA KK
- Filing Date
- 2025-05-23
- Publication Date
- 2026-05-19
AI Technical Summary
In the existing technology, the rigidity of the front wall of the carriage is reduced due to the through holes for the insertion of piping, which needs to be improved.
The main body of the piping is cylindrical and a partition is set inside it to divide its internal space into multiple flow channels, thus avoiding the formation of multiple through holes on the front wall of the carriage. The partition is used to divide the internal space of the main body of the piping into multiple flow channels.
It effectively suppressed the reduction in rigidity of the front wall of the carriage caused by the through hole, and reduced heat exchange through the insulation layer, thereby improving the overall structural strength and thermal insulation performance of the carriage.
Smart Images

Figure CN224256749U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a piping structure for a vehicle. Background Technology
[0002] Patent document 1 discloses a structure in which multiple through holes are formed on the front wall of the carriage that separates the interior and exterior of the carriage, and multiple pipes are arranged between the interior and exterior of the carriage by inserting multiple pipes into the multiple through holes formed on the front wall of the carriage.
[0003] Prior art literature
[0004] Patent documents
[0005] Patent Document 1: Japanese Patent Application Publication No. 2007-331532 Utility Model Content
[0006] The problem to be solved by the utility model
[0007] However, in the structure described in Patent Document 1, multiple through holes need to be formed on the front wall of the carriage for inserting multiple pipes. Therefore, there is room for improvement in the structure described in Patent Document 1 in suppressing the reduction in rigidity of the front wall of the carriage caused by forming through holes for inserting pipes.
[0008] In view of the above facts, the present invention aims to provide a vehicle piping structure that can suppress the reduction in rigidity of the front wall of the carriage caused by the formation of through holes for piping insertion.
[0009] Methods for solving problems
[0010] The first type of vehicle piping structure includes: a piping body formed in a cylindrical shape and penetrating the front wall of the vehicle compartment that separates the interior and exterior of the vehicle compartment; and a partition portion that divides the interior space of the piping body into multiple flow channels.
[0011] In the piping structure of the vehicle according to the first embodiment, the internal space of the piping body is divided into multiple flow channels by partitions. In this structure, it is not necessary to provide multiple pipes for forming multiple flow channels, nor is it necessary to form multiple through holes on the front wall of the vehicle body for inserting multiple pipes. Therefore, the reduction in rigidity of the front wall of the vehicle body caused by forming through holes for pipe insertion can be suppressed.
[0012] Utility Model Effect
[0013] The vehicle piping structure of this utility model has the excellent effect of suppressing the reduction in rigidity of the front wall of the vehicle body caused by the formation of through holes for piping insertion. Attached Figure Description
[0014] Figure 1 A cross-sectional view showing the section of the front wall of the carriage into which the integrated piping is inserted, cut along the vertical and horizontal directions.
[0015] Figure 2 To indicate along Figure 1 The cross-sectional view of the section obtained by cutting along line 2-2 shown. Detailed Implementation
[0016] The piping structure of the vehicle according to the embodiments of this utility model will now be described with reference to the accompanying drawings. In the drawings, arrow FR indicates the front side of the vehicle, arrow UP indicates the upper side of the vehicle, arrow LH indicates the left side in the width direction (left-right direction), and arrow RH indicates the right side in the width direction (left-right direction). Furthermore, unless otherwise specified in the following description, directions such as front-back, up-down, and left-right are defined as front-back in the front-back direction, up-down in the up-down direction, and left-right in the left-right direction.
[0017] like Figure 1 As shown, the piping structure of the vehicle in this embodiment is applied to the front wall 10 of the passenger compartment and the integrated piping 12 inserted into the front wall 10 of the passenger compartment.
[0018] like Figure 1 as well as Figure 2 As shown, the front wall 10 of the carriage is formed of iron as an example, and extends in the left-right and up-down directions with the thickness direction in the front-rear direction of the vehicle. This front wall 10 separates the carriage interior 14 and the carriage exterior 16 on the front side of the vehicle relative to the carriage interior 14 in the front-rear direction. Furthermore, a through hole 18 is formed in the front wall 10, extending through it in the front-rear direction. The shape of the through hole 18 when viewed from the edge in the front-rear direction is circular.
[0019] The integrated piping 12 includes a piping body 20 formed in a cylindrical shape with the rear-to-rear direction as the axial direction. Furthermore, as... Figure 2 As shown, the integrated piping 12 has a partition section 24 inside the piping body 20 that divides the internal space of the piping body 20 into multiple flow channels 22. The partition section 24 is composed of a first partition plate 24A, a second partition plate 24B, a third partition plate 24C, a fourth partition plate 24D, a fifth partition plate 24E, a sixth partition plate 24F, a seventh partition plate 24G, and an eighth partition plate 24H.
[0020] The first partition wall plate 24A and the second partition wall plate 24B are each formed as plates extending in the front-back direction while having a thickness in the left-right direction. Furthermore, the first partition wall plate 24A and the second partition wall plate 24B are arranged spaced apart in the left-right direction, with their upper and lower ends connected to the piping body 20. Here, the first partition wall plate 24A has a multi-layered structure in its thickness direction. The central portion of the first partition wall plate 24A in the thickness direction forms an insulation layer 26 made of a material with lower thermal conductivity than the surface portion in the thickness direction. Furthermore, the second partition wall plate 24B has the same structure as the first partition wall plate 24A, having the insulation layer 26.
[0021] The third partition wall plate 24C and the fourth partition wall plate 24D are each formed as plates extending in the front-back direction with the vertical direction as their thickness direction. Furthermore, the third partition wall plate 24C and the fourth partition wall plate 24D are arranged vertically spaced apart between the piping body 20 and the first partition wall plate 24A. Moreover, the left end of the third partition wall plate 24C and the left end of the fourth partition wall plate 24D are connected to the piping body 20. Furthermore, the right end of the third partition wall plate 24C and the right end of the fourth partition wall plate 24D are connected to the first partition wall plate 24A.
[0022] The fifth partition wall plate 24E and the sixth partition wall plate 24F are each formed into a plate shape extending in the front-back direction with the vertical direction as the thickness direction. Furthermore, the fifth partition wall plate 24E and the sixth partition wall plate 24F are arranged vertically spaced apart between the first partition wall plate 24A and the second partition wall plate 24B. Moreover, the left end of the fifth partition wall plate 24E and the left end of the sixth partition wall plate 24F are respectively connected to the first partition wall plate 24A. Furthermore, the right end of the fifth partition wall plate 24E and the right end of the sixth partition wall plate 24F are respectively connected to the second partition wall plate 24B.
[0023] The seventh partition wall plate 24G and the eighth partition wall plate 24H are each formed as plates extending in the front-back direction with the vertical direction as their thickness direction. Furthermore, the seventh partition wall plate 24G and the eighth partition wall plate 24H are disposed vertically spaced apart between the second partition wall plate 24B and the piping body 20. Moreover, the left end of the seventh partition wall plate 24G and the left end of the eighth partition wall plate 24H are respectively connected to the second partition wall plate 24B. Furthermore, the right end of the seventh partition wall plate 24G and the right end of the eighth partition wall plate 24H are respectively connected to the piping body 20.
[0024] Furthermore, the space surrounded by the first partition wall plate 24A, the third partition wall plate 24C, and the piping body 20 becomes the first flow channel 22A. Additionally, the space surrounded by the first partition wall plate 24A, the third partition wall plate 24C, the fourth partition wall plate 24D, and the piping body 20 becomes the second flow channel 22B. Furthermore, the space surrounded by the first partition wall plate 24A, the fourth partition wall plate 24D, and the piping body 20 becomes the third flow channel 22C. Furthermore, the space surrounded by the first partition wall plate 24A, the second partition wall plate 24B, the fifth partition wall plate 24E, and the piping body 20 becomes the fourth flow channel 22D. Furthermore, the space surrounded by the first partition wall plate 24A, the second partition wall plate 24B, the fifth partition wall plate 24E, and the sixth partition wall plate 24F becomes the fifth flow channel 22E. Furthermore, the space surrounded by the first partition wall plate 24A, the second partition wall plate 24B, the sixth partition wall plate 24F, and the piping body 20 becomes the sixth flow channel 22F. Furthermore, the space surrounded by the second partition wall plate 24B, the seventh partition wall plate 24G, and the piping body 20 becomes the seventh flow channel 22G. Furthermore, the space surrounded by the second partition wall plate 24B, the seventh partition wall plate 24G, the eighth partition wall plate 24H, and the piping body 20 becomes the eighth flow channel 22H. Furthermore, the space surrounded by the second partition wall plate 24B, the eighth partition wall plate 24H, and the piping body 20 becomes the ninth flow channel 22I.
[0025] The integrated piping 12 described above is arranged between the interior 14 and the exterior 16 of the carriage when it is inserted into the through hole 18 formed on the front wall 10 of the carriage.
[0026] (The function and effects of this implementation method)
[0027] Next, the function and effects of this implementation method will be explained.
[0028] like Figure 1 as well as Figure 2 As shown, in the embodiment described above, the internal space of the piping body 20 is divided into nine flow channels, from the first flow channel 22A to the ninth flow channel 22I, by the partition 24. In this structure, air, refrigerant, coolant, etc., can flow through these nine flow channels. Furthermore, in this structure, it is not necessary to provide multiple pipes for forming the nine flow channels 22A to 22I, and it is not necessary to form multiple through holes on the front wall 10 of the carriage for inserting multiple pipes. Therefore, the reduction in rigidity of the front wall 10 of the carriage caused by forming through holes for pipe insertion can be suppressed.
[0029] Furthermore, in this embodiment, the first partition plate 24A has a structure with an insulation layer 26. As a result, the heat transfer between the first flow channel 22A and the fourth flow channel 22D, between the second flow channel 22B and the fifth flow channel 22E, and between the third flow channel 22C and the sixth flow channel 22F can be suppressed by the insulation layer 26.
[0030] Furthermore, in this embodiment, the second partition plate 24B has a structure with an insulation layer 26. As a result, the heat transfer between the fourth flow channel 22D and the seventh flow channel 22G, between the fifth flow channel 22E and the eighth flow channel 22H, and between the sixth flow channel 22F and the ninth flow channel 22I can be suppressed by the insulation layer 26.
[0031] Furthermore, although this embodiment describes an example of providing insulation layers 26 on the first partition wall 24A and the second partition wall 24B respectively, the present invention is not limited thereto. For example, it may be configured such that the insulation layer 26 is provided on the entire partition portion 24 (from the first partition wall 24A to the eighth partition wall 24H). Moreover, it may be configured such that the insulation layer 26 is provided on the piping body 20. In addition, it is also possible to use a structure without providing the insulation layer 26.
[0032] Furthermore, although this embodiment describes an example of dividing the internal space of the piping body 20 into nine flow channels 22 (first flow channel 22A to ninth flow channel 22I) by the partition 24, the present invention is not limited thereto. The number of flow channels 22 into which the internal space of the piping body 20 is divided can be appropriately set considering the number of flow channels 22 required by the piping 12.
[0033] Although one embodiment of the present invention has been described above, the present invention is not limited to the above-described manner. Of course, various modifications can be made without departing from its spirit in addition to the above-described manner.
[0034] Symbol Explanation
[0035] 10…front wall of the carriage; 14…inside the carriage; 16…outside the carriage; 20…main piping; 22…flow channel; 24…partition.
Claims
1. A piping structure for a vehicle, characterized in that, have: The main body of the piping is formed into a cylindrical shape and penetrates the front wall of the carriage that separates the inside and outside of the carriage; The partition section divides the internal space of the piping body into multiple flow channels.