A shell structure of a wireless transceiver device of a city rail train

By optimizing the housing structure of the wireless transceiver equipment for urban rail trains and adopting a sliding connection and anti-loosening washer design, the problems of insufficient installation space utilization and complex operation in the existing technology have been solved, achieving efficient equipment maintenance and stable operation.

CN224401535UActive Publication Date: 2026-06-23NANJING SUTIE ECONOMIC & TECH DEV CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING SUTIE ECONOMIC & TECH DEV CO LTD
Filing Date
2025-07-04
Publication Date
2026-06-23

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Abstract

The utility model relates to the technical field of urban rail train wireless transceiver equipment, concretely relates to a shell structure of urban rail train wireless transceiver equipment, the upper casing and lower casing of the design are fixedly connected through a plurality of inner hexagon countersunk head bolts and pull rivet nut, and a plurality of rivet studs set up in the bottom of lower casing install the isolating plate, and a plurality of copper studs are set up again on the isolating plate to support PCBA board, and this kind of layout utilizes internal installation space to the maximum, simultaneously, the isolating plate and the rivet stud are fixed through the first hexagon bolt and the first CS type lock washer, and the PCBA board and copper stud are connected through cross disc head bolt, ensure the stability and the simplicity of installation, in addition, the upper casing and lower casing adopt SPCC material, and the isolating plate adopts FR 4 board, guarantee the structural strength, and improve the safe operation ability of equipment under extreme working condition, and the design not only optimizes internal space utilization, but also simplified the installation and maintenance process.
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Description

Technical Field

[0001] This utility model relates to the technical field of wireless transceiver equipment for urban rail trains, and in particular to a shell structure for a wireless transceiver equipment for urban rail trains. Background Technology

[0002] As a critical system deployed in the subway train and track environment, the wireless equipment of subway vehicles undertakes many important functions such as vehicle-to-ground communication, train control, and passenger services. Its core objective is to achieve highly reliable data transmission and real-time interaction between the train and the ground control center and the onboard system. The existing housing structure of the wireless transceiver equipment of urban rail trains meets the basic usage requirements of the equipment to a certain extent, provides necessary physical protection for the internal electronic components, prevents damage to the equipment from external environmental factors such as dust and moisture, and ensures that the wireless transceiver equipment can operate relatively stably in the relatively complex environment of urban rail trains, thereby supporting the normal operation of key functions such as vehicle-to-ground communication.

[0003] However, the existing shell structure design is not reasonable enough, and the internal stacking installation method is not optimal, resulting in the internal installation space not being utilized to the maximum extent. At the same time, the installation method is relatively complicated, and the operation is not simple enough during disassembly, installation and maintenance, which increases maintenance costs and time costs and affects the maintenance efficiency of the equipment. Utility Model Content

[0004] The purpose of this utility model is to provide a shell structure for a wireless transceiver device for urban rail trains, aiming to solve the technical problems of existing shell structure design being unreasonable, internal stacking installation method not achieving optimal results, resulting in the inability to maximize the utilization of internal installation space, and the installation method being relatively complicated. In addition, the operation is not simple enough during disassembly, installation and maintenance, which increases maintenance costs and time costs and affects the maintenance efficiency of the equipment.

[0005] To achieve the above objectives, this utility model adopts a housing structure for a wireless transceiver device for urban rail trains, comprising an upper housing, multiple countersunk hexagonal head bolts, and a lower housing. Multiple press-fit studs are provided at the inner bottom of the lower housing, and an isolation plate is provided on each of the press-fit studs. Multiple copper studs are provided on the isolation plate, and a PCBA board is provided above the copper studs. The upper housing is slidably connected to the lower housing and covers the upper housing directly above it. The upper housing and the lower housing are fixedly connected by multiple countersunk hexagonal head bolts and multiple rivet nuts.

[0006] The isolation plate is fixedly connected to the plurality of press-fit studs by a first hexagonal bolt, and a first CS-type anti-loosening washer is provided between the first hexagonal bolt and the isolation plate.

[0007] The PCBA board is fixedly connected to the plurality of copper studs by Phillips head bolts.

[0008] The isolation plate is fixedly connected to the plurality of copper studs by copper nuts.

[0009] The lower housing and both sides of the lower housing are fixedly connected by fastening rivet nuts and fastening press-fit studs.

[0010] One side of the upper housing is provided with a grounding rivet nut for installing a grounding wire.

[0011] The upper housing has two mounting slots on both sides, and each mounting slot is provided with a second hexagonal bolt, and a second CS-type anti-loosening washer is provided between the second hexagonal bolt and the upper housing.

[0012] Both the upper and lower housings are made of SPCC material, and the isolation plate is made of FR-4 plate.

[0013] This utility model discloses a housing structure for a wireless transceiver device for urban rail trains. The upper and lower housings are fixedly connected by multiple hexagonal countersunk head bolts and rivet nuts. An isolation plate is mounted on multiple press-fit studs at the bottom of the lower housing, and multiple copper studs are mounted on the isolation plate to support the PCBA board. This layout maximizes the use of internal installation space. Simultaneously, the isolation plate and press-fit studs are fixed by a first hexagonal bolt and a first CS-type anti-loosening washer, while the PCBA board and copper studs are connected by Phillips head bolts, ensuring stable and easy installation. Furthermore, the upper and lower housings are made of SPCC material, and the isolation plate is made of FR-4 plate, ensuring structural strength and improving the safe operation capability of the equipment under extreme conditions. Overall, this design not only optimizes internal space utilization but also simplifies installation and maintenance processes, significantly reducing maintenance costs and time, and improving equipment maintenance efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a three-dimensional perspective view of the outer shell structure of the wireless transceiver device for urban rail trains according to this utility model.

[0016] Figure 2This is a disassembled schematic diagram of the outer shell structure of the wireless transceiver device for urban rail trains according to this utility model.

[0017] ①-Lower housing, ②-Upper housing, ③-Isolation plate, ④-Pressure stud, ⑤-Fastening rivet nut, ⑥-Grounding rivet nut, ⑦-First hex bolt, ⑧-First CS type anti-loosening washer, ⑨-Copper stud, ⑩-Copper nut - Cross head bolt -Hex socket countersunk bolts -Second hex bolt, - Second CS type anti-loosening washer. Detailed Implementation

[0018] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0019] Please see Figures 1 to 2 This utility model provides a housing structure for a wireless transceiver device for urban rail trains, including an upper housing ② and multiple internal hexagon countersunk bolts. The upper housing ② is slidably connected to the lower housing ①, and covers the lower housing ① with a plurality of press-fit studs ④. A partition plate ③ is provided on the plurality of press-fit studs ④, and a plurality of copper studs ⑨ are provided on the partition plate ③. A PCBA board is provided above the plurality of copper studs ⑨. The upper housing ② is slidably connected to the lower housing ① and covers the lower housing ① directly above it. The upper housing ② and the lower housing ① are connected by a plurality of countersunk hexagonal head bolts. It is fixedly connected with multiple rivet nuts.

[0020] In this embodiment, the upper housing ② and the lower housing ① are connected by a plurality of countersunk head hex bolts. The rivet nuts provide a secure connection, forming a robust enclosed structure that effectively protects internal electronic components from external environmental interference. Simultaneously, the sliding connection design simplifies installation and disassembly, improving maintenance efficiency. Multiple press-fit studs ④ located at the bottom of the lower housing ① provide a stable support foundation for the isolation plate ③, ensuring the reliability of the internal stacked installation.

[0021] Furthermore, the isolation plate ③ is fixedly connected to the plurality of the press-fit studs ④ by a first hexagonal bolt ⑦, and a first CS-type anti-loosening washer ⑧ is provided between the first hexagonal bolt ⑦ and the isolation plate ③.

[0022] In this embodiment, the isolation plate ③ is tightly connected to the press-fit stud ④ by the first hexagonal bolt ⑦, and with the first CS-type anti-loosening washer ⑧, it effectively prevents loosening caused by vibration or impact, thus enhancing structural stability. This design can maintain the stable positioning of the isolation plate ③ even under extreme working conditions, ensuring the safe operation of the PCBA board and other components.

[0023] Furthermore, the PCBA board is connected to the plurality of copper studs ⑨ via cross-head bolts. Fixed connection.

[0024] In this embodiment, the PCBA board is secured with Phillips head bolts. Directly locking the copper stud ⑨ enables a fast and reliable electrical connection; this design avoids thermal stress damage that may be caused by traditional welding processes, and at the same time facilitates quick replacement of PCBA boards during later maintenance, reducing maintenance costs.

[0025] Furthermore, the isolation plate ③ is fixedly connected to the plurality of copper studs ⑨ by copper nuts ⑩.

[0026] In this embodiment, the isolation plate ③ and the copper stud ⑨ are locked together by the copper nut ⑩ to form a detachable mechanical connection. This design not only ensures structural strength but also allows the height or position of the copper stud ⑨ to be adjusted when needed to accommodate different PCBA boards, thus improving the versatility and flexibility of the equipment.

[0027] Furthermore, the lower housing ① and both sides of the lower housing ① are fixedly connected by fastening rivet nuts ⑤ and fastening press-fit studs.

[0028] In this embodiment, the lower housing ① is fixed on both sides by fastening rivet nuts ⑤ and fastening press-fit studs, which enhances the overall rigidity of the housing and effectively resists external mechanical impact. At the same time, the riveting process does not require additional welding, which simplifies the production process, reduces manufacturing costs, and avoids material deformation or cracking problems that may be caused by welding.

[0029] Furthermore, a grounding rivet nut ⑥ for installing a grounding wire is provided on one side of the upper housing ②.

[0030] In this embodiment, a grounding rivet nut ⑥ is integrated on one side of the upper housing ②, which is specially designed for grounding wires to ensure a reliable electrical connection between the equipment and the train body. This design meets electromagnetic compatibility (EMC) requirements, effectively prevents damage to the equipment from lightning strikes or static electricity, and improves system safety.

[0031] Furthermore, the upper housing ② has two mounting slots on both sides, and each mounting slot is provided with a second hexagonal bolt. And the second hexagonal bolt A second CS-type anti-loosening washer is provided between the upper housing ② and the housing ②.

[0032] In this embodiment, mounting grooves are provided on both sides of the upper housing ②, and the mounting is achieved by the second hexagonal bolts. With the second CS type anti-loosening washer This fixation further strengthens the connection between the housing and the train mounting surface; the second CS-type anti-loosening washer It effectively prevents bolts from loosening, ensuring that the equipment remains stable in long-term vibration environments and reducing the risk of failure due to connection failure.

[0033] Furthermore, both the upper housing ② and the lower housing ① are made of SPCC material, and the isolation plate ③ is made of FR-4 plate.

[0034] In this embodiment, the upper housing ② and lower housing ① are made of SPCC material, which has excellent mechanical strength and corrosion resistance, and can meet the harsh requirements of the subway environment; the isolation plate ③ is made of FR-4 board, which takes into account both insulation performance and resistance to high voltage stress, effectively isolating the PCBA board from the housing and preventing electrical short circuits. The combined use of the two materials significantly improves the overall reliability and service life of the equipment.

[0035] During installation of this utility model, the isolation plate ③ is first fixed to the plurality of press-fit studs ④ at the bottom of the lower housing ① using the first hexagonal bolts ⑦ and the first CS-type anti-loosening washers ⑧, ensuring that the isolation plate ③ is stable and not loose; then, the plurality of copper studs ⑨ are locked to the isolation plate ③ using the copper nuts ⑩, forming a support base for the PCBA board; next, the PCBA board is secured by the cross-head bolts. The core circuit is installed by fixing it above the copper stud ⑨; then the upper housing ② is fitted onto the lower housing ① along the sliding track, and secured with multiple hexagonal countersunk bolts. The upper and lower housings ① are tightly connected by rivet nuts; simultaneously, the housing structure is further reinforced by the fastening rivet nuts ⑤ and press-fit studs on both sides of the lower housing ①; finally, a grounding wire is installed at the grounding rivet nut ⑥ on one side of the upper housing ②, and connected to the second hexagonal bolts in the mounting slots on both sides of the upper housing ②. and the second CS type anti-loosening washer The entire installation process is completed by fixing the equipment to the train mounting surface.

[0036] The above-disclosed embodiments are merely preferred embodiments of the present utility model and should not be construed as limiting the scope of the present utility model. Those skilled in the art can understand that implementing all or part of the above-described embodiments and making equivalent changes in accordance with the claims of the present utility model are still within the scope of the utility model.

Claims

1. A housing structure for a wireless transceiver device for urban rail trains, characterized in that, The device includes an upper housing, multiple countersunk head hexagonal bolts, and a lower housing. The lower housing has multiple press-fit studs at its inner bottom, and a partition plate is provided on the multiple press-fit studs. Multiple copper studs are provided on the partition plate, and a PCBA board is provided above the multiple copper studs. The upper housing is slidably connected to the lower housing and covers the upper housing directly above it. The upper housing and the lower housing are fixedly connected by multiple countersunk head hexagonal bolts and multiple rivet nuts.

2. The housing structure of the urban rail train wireless transceiver as described in claim 1, characterized in that, The isolation plate is fixedly connected to the plurality of press-fit studs by a first hexagonal bolt, and a first CS-type anti-loosening washer is provided between the first hexagonal bolt and the isolation plate.

3. The housing structure of the urban rail train wireless transceiver as described in claim 2, characterized in that, The PCBA board is fixedly connected to the plurality of copper studs by Phillips head bolts.

4. The housing structure of the urban rail train wireless transceiver as described in claim 3, characterized in that, The isolation plate is fixedly connected to the plurality of copper studs by copper nuts.

5. The housing structure of the urban rail train wireless transceiver as described in claim 4, characterized in that, The lower housing and both sides of the lower housing are fixedly connected by fastening rivet nuts and fastening press-fit studs.

6. The housing structure of the urban rail train wireless transceiver as described in claim 5, characterized in that, A grounding rivet nut for installing a grounding wire is provided on one side of the upper housing.

7. The housing structure of the urban rail train wireless transceiver as described in claim 6, characterized in that, The upper housing has two mounting slots on both sides, and each mounting slot is provided with a second hexagonal bolt, and a second CS-type anti-loosening washer is provided between the second hexagonal bolt and the upper housing.

8. The housing structure of the urban rail train wireless transceiver as described in claim 7, characterized in that, Both the upper and lower housings are made of SPCC material, and the isolation plate is made of FR-4 plate.