Heat dissipation device for rail transit vehicle door

By using cast aluminum parts and waist-shaped groove structure for heat dissipation, the problem of malfunction caused by motor overheating in rail transit doors has been solved, achieving more efficient heat dissipation and lightweight design.

CN224060965UActive Publication Date: 2026-03-31ZHEJIANG JINONE TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-27
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The doors of rail transit vehicles malfunction due to overheating of motors or electronic components. Existing heat dissipation structures suffer from loose heat sinks and excessive weight, which hinders weight reduction.

Method used

Cast aluminum parts are used as heat dissipation components, combined with waist-shaped groove structure heat dissipation slots and heat dissipation channels, and hollow sleeves of elastic material are set at the connection holes to improve heat dissipation efficiency.

Benefits of technology

It improves heat dissipation efficiency, reduces the risk of heat sink loosening, and achieves a lightweight design.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224060965U_ABST
    Figure CN224060965U_ABST
Patent Text Reader

Abstract

The utility model relates to a heat dissipation device for a rail transit vehicle door, which is characterized by comprising a vehicle door and a heat dissipation piece arranged at the bottom of the vehicle door, the heat dissipation piece comprises a main body part and side plates arranged on the two sides of the main body part, and connecting holes are formed in the two ends of the main body part. A connecting column is arranged at the bottom of the automobile door and used for being connected with the connecting hole in an inserted mode, a heat dissipation channel is formed between the main body part and the bottom of the automobile door, and the heat dissipation piece is an aluminum casting piece. The heat dissipation efficiency can be effectively improved by adopting the aluminum casting, and the heat dissipation effect can be further improved by arranging the heat dissipation grooves and the heat dissipation channels.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of rail transit vehicle door technology, specifically to a heat dissipation device for rail transit vehicle doors. Background Technology

[0002] During long-term operation, the doors of rail transit vehicles are prone to malfunctions due to overheating of motors or electronic components. Existing heat dissipation structures mostly use metal heat sinks, but they have the following problems: the connection between the heat sink and the door is too rigid, and vibration can easily cause it to loosen; traditional steel heat sinks are heavy, which is not conducive to weight reduction. Summary of the Invention

[0003] The purpose of this invention is to provide a heat dissipation device for the doors of rail transit vehicles to solve the above-mentioned problems.

[0004] A heat dissipation device for a rail transit vehicle door is characterized in that it includes a door and a heat dissipation component disposed at the bottom of the door. The heat dissipation component includes a main body and side plates disposed on both sides of the main body. Connection holes are provided at both ends of the main body. A connecting post is provided at the bottom of the door for insertion into the connection holes. A heat dissipation channel is formed between the main body and the bottom of the door. The heat dissipation component is a cast aluminum part.

[0005] The present invention further includes a heat dissipation groove on the main body, the heat dissipation groove being located between the connecting holes, and the heat dissipation groove adopting an oblong groove structure.

[0006] The present invention further provides that the side plate includes a first side plate and a second side plate, and side heat dissipation holes are provided on the first side plate and the second side plate.

[0007] The present invention further provides that the side heat dissipation hole is a circular hole, an oblong hole, or a rectangular hole.

[0008] The present invention further includes protective sleeves formed on both sides of the connecting hole, the protective sleeves being concentrically arranged with the connecting hole, and a hollow sleeve made of elastic material being provided inside the connecting hole. When the connecting post is inserted, it extends into the hollow sleeve and acts on the inner wall of the hollow sleeve to achieve compression.

[0009] The beneficial effects of this utility model are: the use of cast aluminum parts can effectively improve heat dissipation efficiency, and the heat dissipation grooves and channels can further improve the heat dissipation effect. Attached Figure Description

[0010] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.

[0011] Figure 2 This is a side view of an embodiment of the present utility model.

[0012] Reference numerals: 10, door; 101, connecting pillar; 20, heat sink; 201, main body; 202, first side panel; 203, connecting hole; 204, heat dissipation channel; 205, heat dissipation groove; 206, second side panel; 207, heat dissipation hole; 208, protective sleeve; Detailed Implementation

[0013] The following will describe the implementation of this application in detail with reference to the embodiments, so that the implementation process of how this application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0014] like Figure 1-2 As shown, this utility model is a heat dissipation device for a rail transit vehicle door 10, including a door 10 and a heat dissipation component 20 disposed at the bottom of the door 10. The heat dissipation component 20 includes a main body 201 and side plates disposed on both sides of the main body 201. Connection holes 203 are provided at both ends of the main body 201. A connecting post 101 is provided at the bottom of the door 10 for insertion into the connection hole 203. A heat dissipation channel 204 is formed between the main body 201 and the bottom of the door 10. The heat dissipation component 20 is a cast aluminum part.

[0015] The present invention further provides that the main body 201 is provided with a heat dissipation groove 205, the heat dissipation groove 205 is located between the connecting holes 203, and the heat dissipation groove 205 adopts an oblong groove structure.

[0016] The present invention further provides that the side plate includes a first side plate 202 and a second side plate 206, and the first side plate 202 and the second side plate 206 are provided with side heat dissipation holes 207.

[0017] The present invention further provides that the side heat dissipation hole 207 is a circular hole, an oblong hole, or a rectangular hole.

[0018] The present invention further includes a protective sleeve 208 formed on both sides of the connecting hole 203. The protective sleeve 208 and the connecting hole 203 are concentrically arranged. A hollow sleeve made of elastic material is provided inside the connecting hole 203. When the connecting post 101 is inserted, it extends into the hollow sleeve and acts on the inner wall of the hollow sleeve to achieve compression.

[0019] The beneficial effects of this utility model are: the use of cast aluminum parts can effectively improve heat dissipation efficiency, and the heat dissipation grooves 205 and heat dissipation channels 204 can further improve the heat dissipation effect.

[0020] If certain terms are used in the specification and claims to refer to specific components, those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" as used throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0021] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes that element.

[0022] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept by means of the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

Claims

1. A heat dissipating device for a rail vehicle door, characterized by, The application relates to a vehicle door and a heat dissipation device arranged at the bottom of the vehicle door, wherein the heat dissipation device comprises a main body part and side plates arranged at both sides of the main body part, the main body part is provided with connecting holes at both ends, the bottom of the vehicle door is provided with connecting columns for being inserted into the connecting holes, a heat dissipation channel is formed between the main body part and the bottom of the vehicle door, and the heat dissipation device is a cast aluminum part.

2. The heat dissipating device for a rail transit vehicle door according to claim 1, characterized in that, A heat dissipation groove is arranged on the main body part, the heat dissipation groove is located between the connecting holes, and the heat dissipation groove adopts a waist-shaped groove structure.

3. The heat dissipating device for a rail transit vehicle door according to claim 1, characterized in that, The side plates comprise first side plates and second side plates, and side heat dissipation holes are arranged on the first side plates and the second side plates.

4. The heat dissipating device for a rail transit vehicle door according to claim 3, characterized in that, The side heat dissipation holes are circular holes, waist-shaped holes or rectangular holes.

5. The heat dissipating device for a rail transit vehicle door according to claim 1, characterized in that, Protective sleeves are arranged at both sides of the connecting holes, the protective sleeves are concentrically arranged with the connecting holes, hollow sleeves made of elastic materials are arranged in the connecting holes, and the connecting columns are inserted into the hollow sleeves and act on the inner walls of the hollow sleeves to realize compression.