Tail accessory tightening tool for tightening connector

Abstract

The utility model discloses a tightening tool for tightening accessories at the tail of a connector, and relates to the technical field of connector tightening tools. The tightening tool for tightening the tail accessory of the connector comprises a tightening tool body, the outer wall of the top of the tightening tool body is fixedly connected with a stress wall structure, the outer wall of the stress wall structure is provided with a vertically-through stress release groove, and the outer wall of the top of the stress wall structure is provided with a chamfer angle; the outer wall of the inner side of the stress wall structure abuts against the connector tail accessory. An operator can hold the tightening tool body by hand, the stress wall structure is connected to the outer side of the connector tail accessory in a sleeving mode, rapid tightening is achieved through rotation, the problems that a handheld part of a traditional connector tail accessory is short, and the tightening mode wastes time and labor are solved, and the tightening work efficiency is improved; by adjusting the size of the tool, the device can be suitable for various connector tail accessories of different types, and due to the wide applicability, the tool can be widely applied to different rail transit equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of connector tightening tools, in particular to a tightening tool for tightening a connector tail accessory. Background Art

[0002] Electrical connectors are crucial electrical components in rail transit equipment, ensuring circuit continuity and signal transmission between different circuit systems. They are widely used in rail transit rolling stock. Their connection performance is crucial to the safe and reliable operation of the entire electrical system. Connector protection is primarily ensured by the interference fit or pressure contact of rubber components. Protection failures can primarily manifest as poor connector sealing, water ingress into the connector, and the ingress of conductive substances such as water vapor and dielectrics, which can lead to reduced insulation resistance, short circuits, and even connector burnout and high-voltage breakdown.

[0003] In actual production, some double-tightening connectors often present difficulties in tightening, directly impacting the connector's sealing and protective properties. Electrical connectors typically consist of a housing, a socket, a plug housing, a plug boot, and contacts. For example, in heavy-duty train connectors, the tightening method employed on-site is to use a flat-head screwdriver to press against the connector's sliding portion, providing friction for tightening.

[0004] The main structural features of commonly used double-tightening connector tail accessories are as follows: ① The double-tightening structure has a non-fixed, sliding portion on the connector. ② The front handle for tightening is very short. For example, the handle of a 37-pin round plug is only 4mm.

[0005] Due to the above reasons, operators face the problems of time-consuming and labor-intensive tightening and easy scratching when tightening. In addition, the existing tightening methods do not tighten the connector to a high degree and are prone to loosening. Therefore, we propose a tightening tool for tightening the connector tail accessories to solve the problems raised in the above background technology. Utility Model Content

[0006] The purpose of the present invention is to provide a tightening tool for tightening the rear accessories of a connector, which solves the technical problems raised in the above background technology that the operator is time-consuming and labor-intensive, easily scratched when tightening the rear accessories of the connector, and the existing tightening method has a low tightening degree and is prone to loosening.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a tightening tool for tightening the rear accessory of a connector, comprising a tightening tool body, the top outer wall of the tightening tool body being fixedly connected to a stress-bearing wall structure, and the outer wall of the stress-bearing wall structure being provided with a stress release groove running through it from top to bottom.

[0008] Preferably, the top outer wall of the load-bearing wall structure is provided with a chamfered angle.

[0009] Preferably, the inner diameter of the stress-bearing wall structure is matched with the outer diameter of the connector tail attachment, and the inner outer wall of the stress-bearing wall structure abuts against the connector tail attachment.

[0010] Preferably, a protective wall structure is provided on the outer side of the tightening tool body, and a hexagonal bolt is fixedly connected to the bottom outer wall of the protective wall structure.

[0011] Preferably, the height of the protective wall structure is greater than that of the load-bearing wall structure, and an empty groove is provided between the protective wall structure and the outer wall of the tightening tool body.

[0012] Compared with the related art, the tightening tool for tightening the connector tail accessory provided by the present invention has the following beneficial effects:

[0013] 1. The utility model provides a tightening tool for tightening the connector tail accessory. The operator can hold the tightening tool body, sleeve the load-bearing wall structure on the outside of the connector tail accessory, and quickly tighten it by rotation. This solves the problem that the traditional connector tail accessory has a short hand-held part and the tightening method is time-consuming and labor-intensive, thereby improving work efficiency.

[0014] 2. The utility model provides a tightening tool for tightening the rear accessories of the connector. The rear accessories of the connector are tightened by the tightening tool, and the tightening degree is higher, which ensures the sealing and protection of the connector, and prevents water, water vapor, dielectric and other conductive substances from entering the connector, causing insulation resistance to drop, line short circuit, and even connector burning, high-voltage breakdown and other phenomena.

[0015] 3. The utility model provides a tightening tool for tightening the connector tail accessories. By adjusting the size of the tool, it can be applied to a variety of different types of connector tail accessories. The wide applicability enables the tool to be widely used in different rail transportation equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of embodiment 1 of the utility model Figure 1 ;

[0017] Figure 2 This is a schematic diagram of the structure of embodiment 1 of the utility model Figure 2 ;

[0018] Figure 3 This is a schematic diagram of the structure of embodiment 2 of the present utility model Figure 1 ;

[0019] Figure 4 This is a schematic diagram of the structure of embodiment 2 of the present utility model Figure 2 .

[0020] In the figure: 1. Tighten the tool body; 2. Load-bearing wall structure; 3. Stress relief groove; 4. Protective wall structure; 5. Empty slot; 6. Hexagonal bolt. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] Example 1:

[0023] See also Figure 1-Figure 2 The utility model provides a technical solution: a tightening tool for tightening the connector tail accessory, including a tightening tool body 1, the top outer wall of the tightening tool body 1 is fixedly connected to a load-bearing wall structure 2, and the outer wall of the load-bearing wall structure 2 is provided with a stress relief groove 3 running through it from top to bottom.

[0024] In this embodiment, when in use, the tightening tool body 1 is held by hand, the force-bearing wall structure is sleeved on the outside of the connector tail attachment, and then rotated to tighten.

[0025] The outer wall of the load-bearing wall structure 2 is provided with a stress relief groove 3 which runs through the upper and lower parts. The design of the stress relief groove 3 helps to disperse and release the stress generated during the tightening process, thereby preventing the tooling or connector from being damaged due to excessive stress.

[0026] By changing its size, this patent can be applied to the tightening tooling of 37-core round plugs, 20-core plugs, 1823TK type and 1208TJ type blank plugs.

[0027] The top outer wall of the load-bearing wall structure 2 is provided with a chamfered corner.

[0028] In this embodiment, since the wall thickness of the load-bearing wall structure 2 is limited by the size of the inner diameter and outer diameter of the connector tail accessory, the load-bearing wall of the tooling is easily broken during the test. Then, the height of the load-bearing wall structure 2 is reduced from 22.5mm to 10mm, and a 2mm high chamfer is made on the outside of the load-bearing wall structure 2 to increase its stability.

[0029] The inner diameter of the load-bearing wall structure 2 is matched with the outer diameter of the connector tail attachment, and the inner outer wall of the load-bearing wall structure 2 abuts against the connector tail attachment.

[0030] Example 2:

[0031] This embodiment is a further optimization of embodiment 1. Based on embodiment 1, Figures 1-4As shown, a protective wall structure 4 is provided on the outer side of the tightening tool body 1 , and a hexagonal bolt 6 is fixedly connected to the bottom outer wall of the protective wall structure 4 .

[0032] In this embodiment, the load-bearing wall structure may be damaged if the tool is not held firmly and falls from a height during use. Therefore, a protective wall structure 4 is added to the outside of the load-bearing wall of the tool, and a hexagonal bolt 6 is added to the tail of the tool to facilitate tightening with tools such as a wrench, thereby improving the convenience of operation.

[0033] The height of the protective wall structure 4 is greater than that of the load-bearing wall structure 2 , and a slot 5 is provided between the protective wall structure 4 and the outer wall of the tightening tool body 1 .

[0034] In this embodiment, the empty slot 5 is provided to provide space for placing accessories at the rear of the connector.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tightening tool for tightening a connector tail accessory, comprising a tightening tool body (1), characterized in that: The top outer wall of the tightening tool body (1) is fixedly connected to a stress-bearing wall structure (2), and the outer wall of the stress-bearing wall structure (2) is provided with a stress release groove (3) running through from top to bottom.

2. The tool for tightening the connector tail attachment according to claim 1, characterized in that: The top outer wall of the load-bearing wall structure (2) is provided with a chamfered angle.

3. The tool for tightening the connector tail attachment according to claim 1, characterized in that: The inner diameter of the load-bearing wall structure (2) is matched with the outer diameter of the connector tail attachment, and the inner outer wall of the load-bearing wall structure (2) abuts against the connector tail attachment.

4. The tool for tightening the connector tail attachment according to claim 1, characterized in that: A protective wall structure (4) is provided on the outside of the tightening tool body (1), and a hexagonal bolt (6) is fixedly connected to the bottom outer wall of the protective wall structure (4).

5. The tool for tightening the connector tail attachment according to claim 4, characterized in that: The height of the protective wall structure (4) is greater than that of the load-bearing wall structure (2), and a slot (5) is provided between the protective wall structure (4) and the outer wall of the tightening tool body (1).

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