Top structure of the refrigerated truck body

Abstract

This utility model discloses a roof structure for a refrigerated truck body and a refrigerated truck body. The roof structure includes a roof panel assembly and mounting components. The roof panel assembly includes an outer roof panel and an inner roof panel located below the outer roof panel. A foamed space is formed between the inner and outer roof panels, and the foamed space is filled with an insulation layer. The bottom surface of the inner roof panel has a through-hole. The mounting components are integrally formed and embedded in the mounting holes. They have a cable tray for accommodating wires and conduits, with an opening facing downwards. The mounting components also have a sealing plate covering the opening. This structural design eliminates the need to bend multiple aluminum plates to form the cable tray, simplifying the structure, reducing the number of parts used, and simplifying the installation process, further improving production efficiency. In addition, the cable tray has fewer seams, which extends its service life and improves its appearance.

Description

Technical Field

[0001] This utility model relates to the field of refrigerated truck technology, specifically to a truck body roof structure and a refrigerated truck body. Background Technology

[0002] Existing refrigerated truck bodies have cable trays installed on the inner roof to accommodate wiring and piping. The entire cable tray is assembled from multiple parts. Specifically, the cable tray is made by bending and riveting multiple aluminum plates, resulting in a large number of bending parts. On the one hand, because the shapes of each part (bending part) are very different, a specific installation sequence is required, which places high demands on the construction operation. On the other hand, the cable tray has many joints, which is not only unsightly, but also has a short service life of the sealant at the joints. Utility Model Content

[0003] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a refrigerated truck body roof structure and a refrigerated truck body that simplifies the structure and installation process and extends the service life by installing an integrally formed mounting component on the inner top plate and setting a wiring groove on the mounting component.

[0004] To achieve the above objectives, the embodiments of this utility model adopt the following technical solutions:

[0005] The roof structure of the carriage, including the roof panel assembly and mounting components;

[0006] The top plate assembly includes an outer top plate and an inner top plate located below the outer top plate. A foamed space is formed between the inner top plate and the outer top plate. The foamed space is filled with a thermal insulation layer. An installation hole is provided through the inner top plate on its bottom surface.

[0007] The mounting component is integrally formed and embedded in the mounting hole. It has a cable tray for accommodating the cable conduit. The cable tray has an opening facing downwards, and the mounting component also has a sealing plate covering the opening.

[0008] Furthermore, the bottom surface of the mounting component is recessed to form a wiring groove, and the wiring groove forms an opening at the bottom of the mounting component.

[0009] Furthermore, the mounting component is an aluminum alloy profile, and a support block is provided between the outer top wall of the cable tray and the outer top plate. The top end of the support block is fixedly connected to the outer top plate, and the bottom end of the support block is fixedly connected to the top of the cable tray.

[0010] Furthermore, the support block is a PE block, and its top and bottom ends are fixedly connected to the top of the outer top plate and the top of the wiring trough by screws, respectively. The top and bottom surfaces of the PE block are tightly fitted to the bottom surface of the outer top plate and the outer top wall of the wiring trough, respectively.

[0011] Furthermore, the top surface of the mounting component is recessed downward to form a wiring groove, and the inner bottom wall of the wiring groove has an opening that penetrates the mounting component.

[0012] Furthermore, the wiring trough has two opposing first sides in the longitudinal direction of the carriage, each first side having an inner sidewall, the two inner sidewalls of the trough corresponding to each other and protruding inward to form a support portion, and a positioning groove is formed between each support portion and the corresponding inner sidewall of the trough, and the two ends of the sealing plate are respectively engaged with the two positioning grooves.

[0013] Furthermore, the lower end of the first side extends outward at an angle less than 90˚ relative to the upper end, the support portion integrally protrudes inward from the inner sidewall of the lower end groove of the first side and forms the positioning groove between it and the lower end of the first side, and the bottom surface of the sealing plate is flush with the bottom surface of the inner top plate.

[0014] Furthermore, each of the first sides has a connecting portion located outside the wiring trough and connected to the first outer side wall of the first side. The top surface of the connecting portion is in contact with the bottom surface of the inner top plate and the two are welded or fixedly connected by screws. The supporting portion is flush with the connecting portion, and the inner top wall of the wiring trough away from the opening is recessed upward to form a plurality of recesses.

[0015] The roof structure of this utility model features an integrally molded mounting component with a cable routing channel. This eliminates the need for multiple bent aluminum plates to form the cable routing channel, simplifying the structure, reducing the number of parts used, and streamlining the installation process, thereby improving production efficiency. Furthermore, the cable routing channel has fewer seams, preventing leaks and seepage caused by aging of the sealant at the seams, thus extending its service life and enhancing its aesthetics.

[0016] This utility model embodiment also provides a refrigerated truck compartment, including a box body and a compartment top structure as described in any of the above embodiments, wherein the compartment top structure is disposed on the top of the box body.

[0017] Furthermore, the inner cavity of the box is provided with a partition, which divides the box into a first chamber and a second chamber that are independent of each other; an evaporator is installed at one end of the box and a chiller is installed at the other end. The chiller is connected to the evaporator through a wire pipeline to provide a first temperature gas and a second temperature gas to the first chamber and the second chamber respectively. The wire pipeline is accommodated in the wiring trough of the top structure of the carriage. Attached Figure Description

[0018] Figure 1 This is a top view of the roof structure of the carriage according to an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 A sectional view along the AA direction;

[0020] Figure 3 for Figure 2 A magnified view of part B;

[0021] Figure 4 for Figure 1 Front and side views of the mounting components. Detailed Implementation

[0022] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments:

[0023] like Figures 1 to 4 As shown, this utility model embodiment provides a truck body top structure, applied to a refrigerated truck body, defining a longitudinal direction X and a transverse direction Y perpendicular to the longitudinal direction X. The truck body top structure includes a top plate assembly 1 and a mounting component 2.

[0024] like Figure 1 , Figure 3 As shown, the top plate assembly 1 includes an outer top plate 11 and an inner top plate 12 located below the outer top plate 11. A foaming space 10 is formed between the inner top plate 12 and the outer top plate 11. The foaming space 10 is filled with an insulation layer (not shown). An installation hole 121 is provided through the bottom surface of the inner top plate 12.

[0025] like Figures 2 to 4 As shown, the mounting component 2 is integrally formed and embedded in the mounting hole 121. Specifically, the mounting component 2 is an aluminum alloy profile that extends along the longitudinal direction X. The mounting component 2 has a cable tray 21 for accommodating wire conduits (not shown). The cable tray 21 extends along the longitudinal direction X and has an opening 211 facing downwards. The mounting component 2 also has a sealing plate 212 covering the opening 211 to conceal the cable tray 21 and the wire conduits. By setting an integrally formed mounting component 2 and providing a cable tray 21 in the mounting component 2, the cable tray 21 does not need to be formed by bending multiple aluminum plates. This not only simplifies the structure and reduces the number of parts used, but also simplifies the installation process and further improves production efficiency. In addition, the cable tray 21 has fewer seams, avoiding water leakage and seepage due to aging of the sealant at the seams. Therefore, it can extend the service life and is also aesthetically pleasing.

[0026] like Figure 2 , Figure 3As shown, to simplify the structure, in this embodiment, a wiring groove 21 is formed by an upward recess in the center of the bottom surface of the mounting member 2. The wiring groove 21 forms an opening 211 at the bottom of the mounting member 2. Of course, in other embodiments, a wiring groove 21 can also be formed by a downward recess in the center of the top surface of the mounting member 2. An opening 211 is formed in the inner bottom wall of the wiring groove 21, and the opening 211 penetrates the mounting member 2. To enhance the structural strength, a support block 3 is provided between the outer top wall of the wiring groove 21 and the outer top plate 11. The top end of the support block 3 is fixedly connected to the outer top plate 11, and the bottom end of the support block 3 is fixedly connected to the top of the wiring groove 21. Specifically, the support block 3 is a PE block, and its top and bottom ends are fixedly connected to the top of the outer top plate 11 and the top of the wiring groove 21 by screws, respectively. The top surface and bottom surface of the PE block are tightly fitted to the bottom surface of the outer top plate 11 and the outer top wall of the wiring groove 21, respectively. The PE block has good thermal insulation performance and wear resistance.

[0027] like Figure 2 , Figure 3 As shown, the cable tray 21 has two opposing first sides 213 in the longitudinal direction X of the carriage. Each first side 213 has an inner sidewall 2131. The two inner sidewalls 2131 are opposite each other and protrude inward to form a support part 2132. A positioning groove 2133 is formed between each support part 2132 and its corresponding inner sidewall 2131. The two ends of the sealing plate 212 are respectively engaged with the two positioning grooves 2133, so that the sealing plate 212 can be inserted into the two positioning grooves 2133 to form a sealing structure. That is, the cable tray 21 is closed by the sealing plate 212, which can hide the cable conduit in the cable tray 21 and has a good sealing effect. To ensure stable installation of the sealing plate 212, specifically, the lower end of the first side 213 extends outward at an angle less than 90˚ relative to the upper end. The support part 2132 is integrally formed by protruding inward from the inner sidewall 2131 of the lower end groove of the first side 213 and forming the positioning groove 2133 between it and the lower end of the first side 213. More specifically, the support part 2132 and the connecting part 2134 are flush and have the same thickness, so that the mounting part 2 can be embedded in the foaming space 10, further saving space inside the box. The bottom surface of the sealing plate 212 is flush with the bottom surface of the inner top plate 12 to avoid affecting the height inside the box. That is, the main body of the mounting part 2 is embedded in the top plate assembly 1, so that the wiring trough 21 does not occupy space inside the box and is aesthetically pleasing.

[0028] like Figure 2 , Figure 3As shown, each first side 213 has a connecting portion 2134 located outside the cable tray 21 and connected to the first outer wall of the first side 213. The connecting portion 2134 is plate-shaped, that is, each connecting portion 2134 forms a wing plate. The two wing plates are respectively located on both sides of the cable tray 21 along the longitudinal direction X and are symmetrically arranged. The top surface of the connecting portion 2134 is attached to the bottom surface of the inner top plate 12 and the two are welded or fixedly connected by screws. That is, the inner top plate 12 overlaps on the wing plate, which can prevent the edge of the inner top plate 12 from leaking. In order to ensure stable installation, multiple recesses (not shown) are formed on the inner top wall of the cable tray 21 away from the opening 211. When the PE block is fixed to the mounting part 2 by screws, it can increase the friction between the screw and the mounting part 2, thereby preventing the screw from loosening.

[0029] The roof structure of this utility model features an integrally molded mounting component with a cable routing channel. This eliminates the need for multiple bent aluminum plates to form the cable routing channel, simplifying the structure, reducing the number of parts used, and streamlining the installation process, thereby improving production efficiency. Furthermore, the cable routing channel has fewer seams, preventing leaks and seepage caused by aging of the sealant at the seams. Therefore, it extends the service life and is also aesthetically pleasing.

[0030] This utility model embodiment also provides a refrigerated truck compartment (not shown), including a box body and the compartment top structure described in any of the above embodiments, wherein the compartment top structure is located on top of the box body. In this embodiment, the inner cavity of the box body is provided with a partition (not shown), which divides the box body into independent first chambers and second chambers (not shown). An evaporator (not shown) is installed at one end of the box body, and a chiller (not shown) is installed at the other end. The chiller is connected to the evaporator through wiring pipes to provide first temperature gas and second temperature gas to the first chamber and the second chamber respectively, so that the temperature of the first chamber is different from that of the second chamber, that is, the refrigerated truck compartment is a dual-temperature compartment, wherein the wiring pipes (not shown) are accommodated in the wiring trough of the compartment top structure.

[0031] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. The roof structure of the carriage, characterized in that, Includes top panel components and mounting hardware; The top plate assembly includes an outer top plate and an inner top plate located below the outer top plate. A foamed space is formed between the inner top plate and the outer top plate. The foamed space is filled with a thermal insulation layer. An installation hole is provided through the inner top plate on its bottom surface. The mounting component is integrally formed and embedded in the mounting hole. It has a cable tray for accommodating the cable conduit. The cable tray has an opening facing downwards, and the mounting component also has a sealing plate covering the opening.

2. The carriage roof structure as described in claim 1, characterized in that, The bottom surface of the mounting component is recessed to form a wiring groove, and the wiring groove forms an opening at the bottom of the mounting component.

3. The carriage roof structure as described in claim 1, characterized in that, The mounting component is made of aluminum alloy profile. A support block is provided between the outer top wall of the cable tray and the outer top plate. The top end of the support block is fixedly connected to the outer top plate, and the bottom end of the support block is fixedly connected to the top of the cable tray.

4. The carriage roof structure as described in claim 3, characterized in that, The support block is a PE block, and its top and bottom ends are fixedly connected to the top of the outer top plate and the top of the wiring trough by screws, respectively. The top and bottom surfaces of the PE block are tightly fitted to the bottom surface of the outer top plate and the outer top wall of the wiring trough, respectively.

5. The carriage roof structure as described in claim 1, characterized in that, The top surface of the mounting component is recessed downward to form a wiring groove, and the inner bottom wall of the wiring groove has an opening that penetrates the mounting component.

6. The carriage roof structure as described in claim 1, characterized in that, The wiring trough has two opposing first sides along the longitudinal direction of the carriage. Each first side has an inner sidewall. The two inner sidewalls are opposite each other and protrude inward to form a support. A positioning groove is formed between each support and its corresponding inner sidewall. The two ends of the sealing plate are respectively engaged with the two positioning grooves.

7. The carriage roof structure as described in claim 6, characterized in that, The lower end of the first side extends outward at an angle of less than 90˚ relative to the upper end. The support portion is integrally formed by protruding inward from the inner sidewall of the lower end groove of the first side and forming the positioning groove between it and the lower end of the first side. The bottom surface of the sealing plate is flush with the bottom surface of the inner top plate.

8. The carriage roof structure as described in claim 6, characterized in that, Each of the first sides has a connecting portion located outside the wiring trough and connected to the first outer side wall of the first side. The top surface of the connecting portion is in contact with the bottom surface of the inner top plate and the two are welded or fixedly connected by screws. The supporting portion is flush with the connecting portion, and the inner top wall of the wiring trough away from the opening is recessed upward to form a plurality of recesses.

9. A refrigerated truck compartment, characterized in that, It includes a box body and a carriage top structure as described in any one of claims 1 to 8, wherein the carriage top structure is disposed on the top of the box body.

10. The carriage as described in claim 9, characterized in that, The inner cavity of the box is provided with a partition, which divides the box into a first chamber and a second chamber that are independent of each other. An evaporator is installed at one end of the box and a chiller is installed at the other end. The chiller is connected to the evaporator through a wire pipeline to provide a first temperature gas and a second temperature gas to the first chamber and the second chamber, respectively. The wire pipeline is accommodated in the wiring trough of the top structure of the carriage.

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