Limiting structure for wiring harness in low-voltage power distribution cabinet

Abstract

The utility model relates to the technical field of power distribution cabinets, and discloses a limiting structure for wiring harnesses in a low-voltage power distribution cabinet, which comprises a power distribution cabinet body and a cabinet door hinged to one side of the power distribution cabinet body through a hinge, the inner wall of the power distribution cabinet body is provided with a wiring assembly, and the upper end of the wiring assembly is fixedly provided with a limiting assembly. When an operator binds a plurality of wire harnesses at the lower end of the outer wall of a straight plate through an elastic belt and then connects a single wire harness with a wiring assembly, the T-shaped rod can be pulled firstly, so that the T-shaped rod drives the semicircular clamping block to contract, and after the single wire harness penetrates through an inner cavity of the semicircular clamping block, the T-shaped rod is loosened, so that the elastic element contracts under the action of elastic force; and then the semicircular clamping blocks press the single wire harness on one side of the inner wall of the right-angle block for limiting and fixing, so that the stability of connection between the single wire harness and the upper end interface of the wiring assembly is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a power distribution cabinet technical field, concretely is a kind of for the limiting structure of low-voltage power distribution cabinet internal wiring harness. BACKGROUND

[0002] Power distribution cabinet is respectively refers to power distribution cabinet and lighting distribution cabinet, metering cabinet etc. the last stage equipment of distribution system, power distribution cabinet is generally composed of cabinet, switch (circuit breaker), protection device, monitoring device, electric energy meter and other secondary components, is installed in power station, substation and large power consumer, is connected by internal wiring.

[0003] At present, the component in power distribution cabinet is wired, usually needs to be bound to wiring harness by self-locking type cable tie, but since multiple wiring harnesses need to be tapped at different positions, it is necessary to use multiple cable ties, and the cable tie can only fix multiple connection wiring harnesses together, and cannot limit and fix the wiring harness inside the power distribution cabinet, thereby affecting the stability of the connection of the wiring harness inside the power distribution cabinet.

[0004] Therefore, we propose a limiting structure for low-voltage power distribution cabinet internal wiring harness to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a limiting structure for low-voltage power distribution cabinet internal wiring harness to solve the problem that the component in the above background technology is wired, usually needs to be bound to wiring harness by self-locking type cable tie, but since multiple wiring harnesses need to be tapped at different positions, it is necessary to use multiple cable ties, and the cable tie can only fix multiple connection wiring harnesses together, and cannot limit and fix the wiring harness inside the power distribution cabinet, thereby affecting the stability of the connection of the wiring harness inside the power distribution cabinet.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a limiting structure for low-voltage power distribution cabinet internal wiring harness, including power distribution cabinet body and cabinet door hinged on one side of power distribution cabinet body through hinge, the inner wall of power distribution cabinet body is provided with wiring assembly, the upper end of wiring assembly is fixedly installed with limiting assembly, the limiting assembly is set to limit and fix the wiring harness connected with wiring assembly;

[0007] The limiting assembly includes a fixing mechanism and a clamping mechanism movably installed on the upper end of the fixing mechanism, a restraint mechanism is clamped and embedded on one side of the lower end of the fixing mechanism, the fixing mechanism is set to bundle and limit multiple wiring harnesses, and the clamping mechanism is set to improve the stability of the connection of single wiring harness and wiring assembly.

[0008] Preferably, the fixing mechanism comprises a straight plate and an embedded groove formed on the upper end of one side of the outer wall of the straight plate, penetrating grooves are formed in the middle of the upper and lower ends of the inner wall of the embedded groove, and a plurality of insertion grooves are linearly and equidistantly formed on one side of the lower end of the outer wall of the straight plate.

[0009] Preferably, the clamping mechanism comprises a sliding block and a clamping block fixedly installed on one side of the lower end of the sliding block, and a threaded rod is fixedly installed on the middle of the upper end of the sliding block.

[0010] Preferably, one side of the outer wall of the sliding block is fixedly installed with a right-angle block, a clamping plate is fixedly installed on one side of the middle of the inner wall of the right-angle block, elastic elements are fixedly installed on both sides of one end of the clamping plate, a T-shaped rod is fixedly installed on one end of the elastic element, and a semicircular clamping block is fixedly installed on one end of the T-shaped rod.

[0011] Preferably, the restraining mechanism comprises a sticking block and an elastic band fixedly installed on the middle of one end of the sticking block, an insertion block is fixedly installed on one end of the elastic band,

[0012] Preferably, a spring is embeddedly fixed on the upper end of the insertion block, and a semicircular clamping ball is fixedly installed on the upper end of the spring.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The T-shaped rod, the semicircular clamping block and the elastic element are arranged, so that the semicircular clamping block is used for tightly pressing and fixedly positioning a single wire harness on one side of the inner wall of the right-angle block, thereby improving the stability of the interface connection between the single wire harness and the upper end of the wiring assembly.

[0015] 2. The wiring assembly, the straight plate, the elastic band, the insertion block and the insertion groove are arranged, so that the elastic band is used for limiting and binding a plurality of wire harnesses on the lower end of the outer wall of the straight plate, thereby improving the stability of the connection of the plurality of wire harnesses. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0017] Figure 2 It is a fixing mechanism three-dimensional structure schematic view of the utility model;

[0018] Figure 3 It is a clamping mechanism three-dimensional structure schematic view of the utility model;

[0019] Figure 4 It is a restraining mechanism three-dimensional structure schematic view of the utility model.

[0020] In the figure: 1, power distribution cabinet body; 2, cabinet door; 3, wiring assembly; 4, limiting assembly; 41, fixing mechanism; 411, straight plate; 412, built-in slot; 413, penetrating slot; 414, insertion slot; 42, clamping mechanism; 421, sliding block; 422, clamping block; 423, threaded rod; 424, right-angle block; 425, clamping plate; 426, elastic element; 427, T-shaped rod; 428, semicircular clamping block; 43, restraint mechanism; 431, clamping block; 432, elastic band; 433, insertion block; 434, spring; 435, semicircular clamping ball. DETAILED DESCRIPTION

[0021] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment one: please refer to Figures 1-3 A limiting structure for internal wiring harness of low-voltage power distribution cabinet, comprising a power distribution cabinet body 1 and a cabinet door 2 hinged on one side of the power distribution cabinet body 1 through a hinge, the inner wall of the power distribution cabinet body 1 is provided with a wiring assembly 3, the upper end of the wiring assembly 3 is fixedly installed with a limiting assembly 4, and the limiting assembly 4 is arranged to limit and fix the wiring harness connected with the wiring assembly 3.

[0023] The limiting assembly 4 comprises a fixing mechanism 41 and a clamping mechanism 42 movably installed on the upper end of the fixing mechanism 41, and the lower end of the fixing mechanism 41 is clampingly installed with a restraint mechanism 43 on one side, and the fixing mechanism 41 is arranged to bundle and limit multiple wiring harnesses, and the clamping mechanism 42 is arranged to improve the stability of single wiring harness and the wiring assembly 3.

[0024] The fixing mechanism 41 comprises a straight plate 411 and a built-in slot 412 opened on the upper end of one side of the outer wall of the straight plate 411, penetrating slots 413 are respectively opened in the middle of the upper and lower ends of the inner wall of the built-in slot 412, a plurality of insertion slots 414 are linearly and equidistantly opened on one side of the lower end of the outer wall of the straight plate 411, and a circular clamping groove (not shown in the figure) is opened in the middle of the upper end of the inner wall of the insertion slot 414.

[0025] The clamping mechanism 42 comprises a sliding block 421 and a clamping block 422 fixedly installed on one side of the lower end of the sliding block 421, a threaded rod 423 is fixedly installed on the middle of the upper end of the sliding block 421, the sliding block 421 is movably installed in the inner cavity of the built-in slot 412, and the clamping block 422 and the threaded rod 423 are movably installed in the inner cavities of the penetrating slots 413 respectively opened in the middle of the upper and lower ends of the inner wall of the built-in slot 412.

[0026] The outer wall side of the sliding block 421 is fixedly installed with a right-angle block 424, the inner wall side middle part of the right-angle block 424 is fixedly installed with a clamping plate 425, the two sides of one end of the clamping plate 425 are respectively fixedly installed with elastic elements 426, one end of the elastic element 426 is fixedly installed with a T-shaped rod 427, one end of the T-shaped rod 427 is fixedly installed with a semicircle clamping block 428, the middle part of the T-shaped rod 427 is movably installed in the inner cavity middle part of the clamping plate 425, and the semicircle clamping block 428 is pressed against the wire harness on the inner wall side of the right-angle block 424 under the elastic force of the elastic element 426.

[0027] In the embodiment, when the operator binds the plurality of wire harnesses to the lower end of the outer wall of the straight plate 411 through the elastic band 432 and then connects the single wire harness and the wiring assembly 3, the T-shaped rod 427 is first pulled, the T-shaped rod 427 drives the semicircle clamping block 428 to contract, the single wire harness is passed through the inner cavity of the semicircle clamping block 428, the T-shaped rod 427 is loosened, the elastic element 426 contracts under the elastic force, and then the semicircle clamping block 428 presses and fixes the single wire harness on the inner wall side of the right-angle block 424, thereby improving the stability of the interface connection between the single wire harness and the upper end of the wiring assembly 3.

[0028] Embodiment two: The embodiment is improved on the basis of embodiment one, and specifically, refer to Figure 4 The constraint mechanism 43 includes a sticking block 431 and an elastic band 432 fixedly installed at the middle part of one end of the sticking block 431, and one end of the elastic band 432 is fixedly installed with an insertion block 433.

[0029] The upper end of the insertion block 433 is inlaidly fixed with a spring 434, the upper end of the spring 434 is fixedly installed with a semicircle clamping ball 435, the insertion block 433 drives the semicircle clamping ball 435 to be movably installed in the inner cavity of the insertion slot 414, and the semicircle clamping ball 435 is movably clamped in the circular clamping groove in the inner wall upper end middle part of the insertion slot 414 under the elastic force of the spring 434.

[0030] In the embodiment, the operator fixedly installs the straight plate 411 at the upper end of the wiring assembly 3 in advance, places the plurality of wire harnesses on the outer wall lower end of the straight plate 411 when the wiring assembly 3 and the wire harness are connected, pulls the elastic band 432, inserts the insertion block 433 at one end of the elastic band 432 into the inner cavity of the insertion slot 414, and inserts the semicircle clamping ball 435 fixedly installed at the upper end of the insertion block 433 into the inner cavity of the circular clamping groove, so that the plurality of wire harnesses are limited and bound to the outer wall lower end of the sticking plate 411 through the elastic band 432, and the stability of the connection of the plurality of wire harnesses is improved.

[0031] Working principle: the operator fixes and installs the straight plate 411 in advance at the upper end of the wiring assembly 3, when the wiring assembly 3 and the wire harness are connected, a plurality of wire harnesses can be placed on the lower end of the outer wall of the straight plate 411, pull the elastic band 432, make the insertion block 433 at one end of the elastic band 432 inserted into the inner cavity of the insertion slot 414, make the semicircle clamp ball 435 on the upper end of the insertion block 433 clamp into the inner cavity of the semicircle clamp groove through the spring 434 installation, thereby limiting and binding a plurality of wire harnesses on the lower end of the outer wall of the straight plate 411 through the elastic band 432, when a single wire harness and the wiring assembly 3 are connected, the T-shaped rod 427 can be pulled first, so that the T-shaped rod 427 drives the semicircle clamp block 428 to shrink, after the single wire harness passes through the inner cavity of the semicircle clamp block 428, the T-shaped rod 427 is loosened, so that the elastic element 426 shrinks under the action of the elastic force, thereby making the semicircle clamp block 428 press the single wire harness and limit and fix it on one side of the inner wall of the right-angle block 424, so that the stability of the single wire harness and the upper end interface connection of the wiring assembly 3 is improved.

[0032] The circuit, electronic components and modules related to the power distribution cabinet in the utility model are all prior art, and the skilled in the art can realize them without further description, and the content protected by the utility model does not involve the improvement of software and methods.

[0033] Although the utility model has been described in detail with reference to the foregoing embodiments, the skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A limiting structure for a wiring harness inside a low-voltage power distribution cabinet, comprising a power distribution cabinet body (1) and a cabinet door (2) hinged to one side of the power distribution cabinet body (1) through a hinge, and a wiring assembly (3) is arranged on the inner wall of the power distribution cabinet body (1), characterized in that: The upper end of the wiring assembly (3) is fixedly installed with a limiting assembly (4), and the limiting assembly (4) is arranged to limit and fix the wire harness connected with the wiring assembly (3); The limiting assembly (4) comprises a fixing mechanism (41) and a clamping mechanism (42) movably installed on the upper end of the fixing mechanism (41), and the lower end of the fixing mechanism (41) is clamped and installed on one side with a constraint mechanism (43), the fixing mechanism (41) is arranged to bundle and limit the plurality of wire harnesses, and the clamping mechanism (42) is arranged to improve the stability of the single wire harness connected with the wiring assembly (3).

2. The limiting structure for the internal wiring harness of a low-voltage power distribution cabinet according to claim 1, characterized in that: The fixing mechanism (41) comprises a straight plate (411) and a built-in groove (412) opened on the upper end of one side of the outer wall of the straight plate (411), penetrating grooves (413) are respectively arranged on the inner wall of the upper end and the lower end of the built-in groove (412), and a plurality of insertion grooves (414) are linearly and equidistantly arranged on one side of the lower end of the outer wall of the straight plate (411).

3. The limiting structure for the internal wiring harness of a low-voltage power distribution cabinet according to claim 1, characterized in that: The clamping mechanism (42) comprises a sliding block (421) and a clamping block (422) fixedly installed on one side of the lower end of the sliding block (421), and a threaded rod (423) is fixedly installed on the upper end of the middle of the sliding block (421).

4. The limiting structure for the internal wiring harness of a low-voltage power distribution cabinet according to claim 3, characterized in that: One side of the outer wall of the sliding block (421) is fixedly installed with a right-angle block (424), the inner wall of one side of the middle of the right-angle block (424) is fixedly installed with a clamping plate (425), both sides of one end of the clamping plate (425) are fixedly installed with elastic elements (426), one end of the elastic element (426) is fixedly installed with a T-shaped rod (427), one end of the T-shaped rod (427) is fixedly installed with a semicircular clamping block (428).

5. The limiting structure for the internal wiring harness of a low-voltage power distribution cabinet according to claim 1, characterized in that: The constraint mechanism (43) comprises a sticking block (431) and an elastic band (432) fixedly installed on the middle of one end of the sticking block (431), and one end of the elastic band (432) is fixedly installed with an insertion block (433).

6. The limiting structure for the internal wiring harness of a low-voltage power distribution cabinet according to claim 5, characterized in that: The upper end of the insertion block (433) is inlaidly fixed with a spring (434), and the upper end of the spring (434) is fixedly installed with a semicircular clamping ball (435).

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