Cable distribution box for rail transit

Abstract

The utility model discloses a cable junction box for rail transit. The cable junction box comprises a junction box. The junction box is composed of a rear box body and a front cover, one end of the rear box body is provided with an opening, the front cover is buckled at the opening of the rear box body, a wiring device is arranged in the rear box body, a plurality of groups of wire holes are formed in the side wall of the rear box body, and the wiring device penetrates through the wire holes; the wiring device comprises a wiring seat, binding posts are uniformly distributed on the wiring seat, marking pieces with different colors are arranged at the tops of the binding posts, an insulating partition plate is arranged between every two adjacent binding posts, the binding posts are connected with cables through contact metal pieces, and the contact metal pieces are further sequentially provided with insulating base plates and fastening nuts relative to the outer portions of the binding posts. And the cable is provided with a cable concentration sleeve on one side of the cable hole for fixing. The utility model belongs to the technical field of junction boxes, and particularly provides a cable junction box for rail transit, which is used for solving the problems of signal interference, inconvenience in maintenance and unreasonable spatial distribution caused by disordered arrangement of cables in the prior art.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of cable distribution box, specifically point to a cable distribution box for rail transit. BACKGROUND

[0002] A cable distribution box is a kind of power equipment for connecting or distributing cables.In rail transit, power cables and communication cables can be connected to various devices on the track, such as signal lights, turnout controllers, train control systems, etc., through the cable distribution box, so the cable distribution box is usually installed on a pole or bracket beside the track.

[0003] In the original cable distribution box installed and used, the following problems exist: 1. The disordered arrangement of cables can easily cause signal interference, affecting the stability and efficiency of data transmission.2. The internal cables of the traditional cable distribution box are chaotic, making it difficult to quickly locate and address problems during maintenance.3. The aluminum bars are arranged vertically with small spacing, poor space utilization, and the wires in the cable distribution box are intertwined longitudinally and transversely, making the space in the cable distribution box even more crowded and narrow, causing great inconvenience to daily maintenance work. INVENTION CONTENTS

[0004] To overcome the defects of the prior art, the utility model provides a cable distribution box for rail transit to solve the problems of signal interference caused by disordered arrangement of cables, inconvenience of maintenance, and unreasonable space distribution.

[0005] The technical solution adopted by the present application is as follows:

[0006] The present application provides a cable distribution box for rail transit, comprising a cable distribution box;

[0007] The cable distribution box is composed of a rear box body and a front cover, one end of the rear box body is open, the front cover is buckled at the opening of the rear box body, a wiring device is arranged inside the rear box body, a plurality of wire holes are formed in the side wall of the rear box body, and the wiring device penetrates the wire holes;

[0008] The wiring device comprises a wiring seat, a plurality of wiring posts are evenly distributed on the wiring seat, different colored identification members are arranged on the top of the wiring posts, an insulating partition plate is arranged between adjacent wiring posts, a cable is connected to the wiring post through a contact metal piece, an insulating pad and a fastening nut are sequentially arranged on the outside of the contact metal piece with respect to the wiring post, the fastening nut is connected to the wiring post through a threaded structure arranged on the front side of the wiring post, and the cable is fixed by the rotation of the fastening nut.

[0009] Further, one side of the terminal block is provided with a mounting seat, and a fixing member is arranged between the mounting seat and the inner wall of the rear box body.

[0010] Preferably, the wire holes are arranged in multiple groups relative to the side end, top wall and bottom wall of the rear box body, and the wire holes are externally provided with detachably arranged buckling covers.

[0011] Preferably, the buckling cover is arranged in an I-shaped cross section, and the buckling cover is slidingly arranged in the wire hole and has a matching shape.

[0012] As an option, the buckling cover is provided with a wire harness hole for fixing the wire harness sleeve.

[0013] As a preferred option, the inner part of the rear box body is provided with a first clamping groove, the inner wall of the front cover is provided with a second clamping groove, the first clamping groove and the second clamping groove are fixed by a fixing member, the front cover is arranged in a convex structure and is provided with a double-layer sealing groove at the opening, and the double-layer sealing groove is clamped outside the opening of the rear box body.

[0014] Preferably, the two sides of the rear box body are outwardly extended to be provided with fixing pieces, and the fixing pieces are provided with fixing holes for fixing the rear box body.

[0015] The beneficial effects achieved by the above structure are as follows:

[0016] 1. The multi-wire hole design is adopted for different types of cable access, which can reduce signal interference and improve the orderliness of cable management.

[0017] 2. The color-differentiated terminal device facilitates quick identification and connection of cables with different functions, and improves the operation efficiency and accuracy of maintenance.

[0018] 3. The compact overall structure design utilizes the multi-wire hole design and orderly layout to improve the space utilization rate and facilitate efficient cable management in limited space. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The overall structure of the cable distribution box for rail transit provided by the present scheme is shown in the figure;

[0020] Figure 2 The exploded structure schematic view provided by the present scheme is shown in the figure;

[0021] Figure 3 The structure schematic view of the terminal device in the present scheme is shown in the figure;

[0022] Figure 4 The component structure schematic view of the distribution box provided by the present scheme is shown in the figure.

[0023] The meanings of the reference signs in the drawings are as follows:

[0024] 1, distribution box, 2, wiring device, 3, buckle cover, 4, fixing piece;

[0025] 11, rear box body, 12, cover plate, 13, wire hole, 14, first clamping groove, 15, second clamping groove, 16, double-layer sealing groove;

[0026] 21, wiring seat, 22, wiring column, 23, identification piece, 24, insulating partition, 25, cable, 26, fastening nut, 27, mounting seat, 28, cable collecting sleeve;

[0027] 31, wire harness hole. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0029] Embodiment 1

[0030] Please refer to Figure 1 and Figure 2 , the embodiment provides a cable distribution box for rail transit, which comprises a distribution box 1, the distribution box 1 is formed by a rear box body 11 and a front cover, one end of the rear box body 11 is provided with an opening, the front cover is buckled at the opening of the rear box body 11, the wiring device 2 is arranged in the rear box body 11, a plurality of wire holes 13 are formed in the side wall of the rear box body 11, and the wiring device 2 penetrates the wire holes 13.

[0031] Referring to Figure 2 and Figure 3 , the wiring device 2 comprises a wiring seat 21, a plurality of wiring columns 22 are uniformly arranged on the wiring seat 21, identification pieces 23 of different colors are arranged on the top of the wiring columns 22, insulating partitions 24 are arranged between adjacent wiring columns 22, cables 25 are connected to the wiring columns 22 through contact metal pieces, insulating pads and fastening nuts 26 are sequentially arranged on the outside of the contact metal pieces with respect to the wiring columns 22, the fastening nuts 26 are connected to the wiring columns 22 through the threaded structure arranged on the front side of the wiring columns 22, through the above structure, the cables 25 can be fixed by extrusion and lamination through the rotation of the fastening nuts 26, and the cable collecting sleeve 28 is arranged on one side of the cable 25 for fixing.

[0032] Among them, the mounting seat 27 is arranged on one side of the wiring seat 21, and the mounting seat 27 and the inner wall of the rear box body 11 are fixed by a fixing piece, so that the wiring seat 21 is fixed on the rear box body 11.

[0033] In use of the structure, the color-distinguished wiring device 2 is used to facilitate quick identification and connection of cables with different functions, and to improve operation efficiency and accuracy of maintenance.

[0034] Embodiment 2

[0035] Reference Figure 4 As shown, the wire holes 13 are arranged in multiple groups in relation to the side ends, top wall and bottom wall of the rear box body 11, and the wire holes 13 are externally provided with detachably arranged buckling covers 3. The buckling cover 3 is arranged in an I-shaped cross section, and is slidably arranged in the wire hole 13 and matched in shape.

[0036] As another embodiment, the buckling cover 3 can further be provided with a wire harness hole 31 for fixing a wire harness sleeve 28.

[0037] The buckling cover 3 with two structures meets different requirements, and the wire holes 13 not in use can be buckled, and then the front cover and the rear cover body are closed, thereby achieving the effect of sealing and waterproofing.

[0038] In use, the multiple wire holes 13 are designed for cables of different types to be connected, different connection directions can be arranged according to requirements, signal interference can be reduced, and the orderliness of cable 25 management can be improved. Meanwhile, the overall structure is compactly designed, the multiple wire holes 13 are designed and arranged in order, the space utilization is improved, and efficient cable management can be achieved in limited space.

[0039] As a preferred embodiment:

[0040] Reference Figure 4 As shown, the rear box body 11 is internally provided with a first clamping groove 14, the inner wall of the front cover is provided with a second clamping groove 15, the first clamping groove 14 and the second clamping groove 15 are fixed through a fixing member, the front cover is arranged in a convex structure and is provided with a double-layer sealing groove 16 at the opening, and the double-layer sealing groove 16 is clamped at the outer side of the opening of the rear box body 11.

[0041] The fixing plates 4 are arranged on both sides of the rear box body 11 and extend outward, and the fixing plates 4 are provided with fixing holes for fixing and mounting the rear box body 11, thereby mounting the distribution box 1 on a pole or a support beside a track.

[0042] It should be noted that although the embodiments of the utility model have been shown and described, for those skilled in the art, without departing from the purpose of the utility model, similar structural modes and embodiments of the technical scheme can be designed without creativity, and all should belong to the protection scope of the utility model.

Claims

1. A cable distribution box for rail transit, comprising a distribution box (1), wherein the distribution box (1) is composed of a rear housing (11) and a front cover, wherein one end of the rear housing (11) is open, and the front cover is fastened to the opening of the rear housing (11), characterized in that: The rear housing (11) is provided with a wiring device (2) inside. Multiple sets of wire holes (13) are opened on the side wall of the rear housing (11). The wiring device (2) is installed through the wire holes (13). The wiring device (2) includes a terminal block (21), on which terminal posts (22) are evenly distributed. The top of the terminal posts (22) is provided with different colored identification parts (23). A cable (25) is connected to the terminal post (22) through a contact metal part. An insulating pad and a fastening nut (26) are also provided in sequence on the outside of the terminal post (22) of the contact metal part. The cable (25) is fixed by the fastening nut (26). A cable sleeve (28) is provided on the side of the cable (25) with respect to the wire hole (13).

2. A cable distribution box for rail transit according to claim 1, characterized in that: Multiple sets of wire holes (13) are provided on the side, top and bottom walls of the rear box (11), and a detachable fastening cover (3) is provided on the outside of the wire holes (13).

3. A cable distribution box for rail transit according to claim 2, characterized in that: The cross-section of the snap-fit ​​cover (3) is I-shaped, and the snap-fit ​​cover (3) is slidably disposed in the wire hole (13) and the two are matched in shape.

4. A cable distribution box for rail transit according to claim 3, characterized in that: The snap-fit ​​cover (3) has a wire harness hole (31) for fixing the wire harness sleeve (28).

5. A cable distribution box for rail transit according to claim 1, characterized in that: An insulating partition (24) is provided between adjacent terminals (22), and the fastening nut (26) is threadedly connected to the terminal (22) through a threaded structure provided on the front side of the terminal (22).

6. A cable distribution box for rail transit according to claim 1, characterized in that: The rear box (11) is provided with a first snap-fit ​​groove (14) inside, and the inner wall of the front cover is provided with a second snap-fit ​​groove (15). The first snap-fit ​​groove (14) and the second snap-fit ​​groove (15) are fixed together by a fastener. The front cover is provided with a convex-shaped structure and a double-layer sealing groove (16) at the opening. The double-layer sealing groove (16) is used to snap onto the outside of the opening of the rear box (11).

7. A cable distribution box for rail transit according to claim 1, characterized in that: The terminal block (21) has a mounting base (27) on one side, and the mounting base (27) is fixed to the inner wall of the rear housing (11) by a fastener.

8. A cable distribution box for rail transit according to claim 1, characterized in that: The rear box (11) has fixing plates (4) extending outward on both sides, and fixing holes are provided on the fixing plates (4) for fixing and installing the rear box (11).

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