Substation maintenance power box convenient for wiring

Abstract

The utility model relates to the technical field of power boxes, and discloses a transformer substation maintenance power box convenient for wiring, which comprises a box body, the front surface of the box body is movably connected with a door body, and the outer wall of one side, close to the center of the box body, of the door body is provided with a limiting assembly. By arranging the limiting assembly, the positioning sleeve can move in the vertical direction along the inner wall of the threading groove, then a worker can conveniently adjust the height of the positioning sleeve according to the actual wire arrangement requirement, and the baffles slidably installed in the adjusting grooves can fix and limit the positioning sleeve on the two sides of the positioning sleeve; meanwhile, a connecting ring and an arc-shaped plate which can extend outwards in the positioning sleeve are matched, so that a protection structure which is expanded from inside to outside is formed when the wire cable passes through the threading hole, abutting destructive force borne by the arc-shaped plate when the arc-shaped plate makes contact with the wire cable is reduced, and the effect of positioning depending on static friction is improved; therefore, the electric wire is even dragged or bent when passing through the threading hole to be arranged.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of power box, concretely is a transformer substation maintenance power box of convenient wiring. BACKGROUND

[0002] The power box is generally assembled with switch equipment, measuring instruments, protection appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen panel according to electrical wiring requirements to form a low-voltage power box. During normal operation, the circuit can be connected or disconnected by manual or automatic switches. During fault or abnormal operation, the circuit is cut off or an alarm is given by the protection appliances.

[0003] According to a transformer substation maintenance power box (announcement number: CN219513520U) disclosed, in the above application, a side groove for wiring is formed on one side of the power box, and the line can be led out through the side groove after wiring is completed in the power box. At this time, the two sets of side push doors are controlled to close and pack the line through the clamping groove, avoiding the entry of insects and other foreign matters into the power box, so that the cabinet door does not need to be directly opened for wiring use.

[0004] However, the side groove for wiring in the above-mentioned device is fixed in position, and the line of the power box is generally used for temporary power supply of external electrical equipment. According to different equipment, the height of the power supply wiring will also be different. The fixed-position side groove is easy to cause scratching and pulling problems when the wire is pulled, affecting the use safety of the wire and the power box. In view of this, we propose a transformer substation maintenance power box convenient for wiring. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a transformer substation maintenance power box convenient for wiring to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transformer substation maintenance power box convenient for wiring, comprising a box body, a door body movably connected to the front of the box body, a limiting assembly provided on the outer wall of the door body close to the center of the box body, the limiting assembly comprising:

[0007] An adjusting groove is formed in the side of the door body, a threading groove is formed in the center of the adjusting groove, a T-shaped groove is formed in the inner wall of the bottom of the adjusting groove, a T-shaped sliding block is slidably installed on the inner surface of the T-shaped groove, a baffle is fixedly connected to the outer side of the T-shaped sliding block away from the door body, and a close spring is fixedly connected to the side wall of the baffle;

[0008] The positioning sleeve is movably installed in the threading groove, a threading hole is formed in the center of the positioning sleeve, a connecting ring is movably installed in the threading hole, elastic telescopic rods are fixedly connected to the side wall of the connecting ring, a rotating rod is rotatably installed on the inner wall of the side of the connecting ring away from the center of the positioning sleeve, the rotating rod penetrates and is fixedly connected with a connecting block, a volute spring is sleeved on the arc-shaped outer wall of the end of the rotating rod, and an arc-shaped plate is fixedly connected to the side wall of the connecting block.

[0009] Preferably, the number of the adjusting grooves is provided with two groups, and the two groups of adjusting grooves are symmetrically arranged on the inner and outer sides of the door body with the central axis of the door body as the symmetric axis, so that the baffle slidably installed in the adjusting groove can be fixed and limited on both sides of the positioning sleeve, the number of the T-shaped grooves is provided with several, and the several T-shaped grooves are uniformly distributed in the adjusting groove in a linear array, so that the adjusting groove can be arranged with several groups of baffles in a linear array.

[0010] Preferably, the positioning sleeve comprises a square frame and a sleeve fixedly installed at the center of the square frame, and the left and right inner walls of the threading groove are provided with a rectangular groove matched with the square frame, so that the positioning sleeve can only displace in the vertical direction along the inner wall of the threading groove.

[0011] Preferably, a circular groove matched with the connecting ring is formed in the inner surface of the threading hole, and a connecting hole matched with the outer diameter of the elastic telescopic rod is formed in the center of the circular groove, the elastic telescopic rod is arranged in the connecting hole, and the number of the connecting rings is provided with two groups, and the two groups of connecting rings are symmetrically arranged at the two ends of the positioning sleeve with the vertical central axis of the positioning sleeve as the symmetric axis.

[0012] Preferably, the edges of the arc-shaped plate are all treated with round corners, and the arc-shaped plate is made of rubber plate, so as to reduce the resistance and damage force suffered by the arc-shaped plate when contacting with the wire and cable, and improve the positioning effect by static friction.

[0013] Preferably, an anti-skid assembly is arranged in the threading hole, the anti-skid assembly comprises an elastic piece, a receiving groove is formed in the inner surface of the threading hole, one end of the elastic piece is fixedly connected to the inner wall of the receiving groove, the other end of the elastic piece is fixedly connected with an arc-shaped block, and wave stripes are arranged on the arc-shaped outer wall of the center side of the arc-shaped block close to the threading hole.

[0014] Compared with the prior art, the power box for transformer substation maintenance provided by the utility model has the following beneficial effects:

[0015] 1. The convenient wiring substation maintenance power supply box, through the setting of the limiting assembly, the positioning sleeve can be displaced in the vertical direction along the inner wall of the threading groove, and then the height of the positioning sleeve can be adjusted according to the actual wire layout requirement of the staff, the baffle slidingly installed in the adjusting groove can be fixed and limited on both sides of the positioning sleeve, and the connecting ring and the arc-shaped plate which can extend outward in the positioning sleeve are matched, so that a protection structure which expands from inside to outside is formed when the wire cable passes through the threading hole, the contact damage force between the arc-shaped plate and the wire cable is reduced, the positioning effect by static friction is improved, and therefore the wire can be set through the threading hole even if dragging or bending occurs.

[0016] 2. The convenient wiring substation maintenance power supply box, by setting the anti-skid assembly, when the wire cable is dragged, the arc-shaped blocks corresponding to the plurality of anti-skid assemblies are not in a straight line, so that the resistance of the plurality of arc-shaped blocks when they are attached to the surface of the wire cable is improved, the influence of the wire cable being dragged is reduced, and the safety of electricity use is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the main structure of the utility model;

[0018] Figure 2 It is a schematic view of the door body structure of the utility model;

[0019] Figure 3 It is a schematic view of the local three-dimensional structure of the door body of the utility model;

[0020] Figure 4 It is a schematic view of the local three-dimensional structure of the door body of the utility model; Figure 3 It is a schematic view of the local three-dimensional structure of the door body of the utility model;

[0021] Figure 5 It is a schematic view of the local three-dimensional structure of the door body of the utility model;

[0022] Figure 6 It is a schematic view of the local three-dimensional structure of the door body of the utility model;

[0023] Figure 7 It is a schematic view of the local three-dimensional structure of the door body of the utility model;

[0024] In the drawing: 1, box body; 2, door body; 3, limiting assembly; 31, adjusting groove; 32, threading groove; 33, T-shaped groove; 34, T-shaped sliding block; 35, baffle; 36, close spring; 37, positioning sleeve; 38, threading hole; 39, elastic expansion rod; 310, connecting ring; 311, rotating rod; 312, connecting block; 313, volute spring; 314, arc-shaped plate; 4, anti-skid assembly; 41, elastic element; 42, arc-shaped block. DETAILED DESCRIPTION

[0025] As Figures 1-7 The utility model provides a kind of technical scheme: a transformer substation maintenance power supply box of convenient wiring, including box 1, the front of box 1 is movably connected with door body 2, limiting assembly 3 is arranged on the outer wall of the side of door body 2 close to the center of box 1, limiting assembly 3 includes adjusting groove 31, threading groove 32, T-shaped groove 33, T-shaped slider 34, baffle 35, close spring 36, positioning sleeve 37, threading hole 38, connecting ring 310, elastic telescopic rod 39, rotating rod 311, connecting block 312 and scroll spring 313 and arc plate 314.

[0026] In an embodiment of the utility model, adjusting groove 31 is opened in the side of door body 2, threading groove 32 is opened in the center of adjusting groove 31, T-shaped groove 33 is opened on the inner wall of the bottom of adjusting groove 31, T-shaped slider 34 is slidably installed on the inner surface of T-shaped groove 33, baffle 35 is fixedly connected on the side of the outer portion of T-shaped slider 34 away from door body 2, close spring 36 is fixedly connected on the side wall of baffle 35, positioning sleeve 37 is movably installed in threading groove 32, threading hole 38 is opened in the center of positioning sleeve 37, connecting ring 310 is movably installed in the inside of threading hole 38, elastic telescopic rod 39 is fixedly connected on the side wall of connecting ring 310, rotating rod 311 is rotatably installed on the inner wall of the side of connecting ring 310 away from the center of positioning sleeve 37, connecting block 312 is penetrated and fixedly connected with rotating rod 311, scroll spring 313 is sleeved on the arc-shaped outer wall of the end of rotating rod 311, arc plate 314 is fixedly connected on the side wall of connecting block 312.

[0027] Further, the number of door bodies 2 is provided with two groups, and the two groups of door bodies 2 are symmetrically arranged with the vertical central axis of the front of the box body 1 as the axis of symmetry, and the limiting assembly 3 is arranged on one side of the door body 2 close to the center of the box body 1, at the same time, the number of adjusting grooves 31 is provided with two groups, and the two groups of adjusting grooves 31 are symmetrically arranged on the inner and outer sides of the door body 2 with the central axis of the door body 2 as the axis of symmetry, so that the baffle 35 slidingly installed in the adjusting groove 31 can be fixed and limited on both sides of the positioning sleeve 37, in addition, the number of T-shaped grooves 33 is provided with several, and the several T-shaped grooves 33 are evenly distributed in the adjusting groove 31 in linear array, so that the inside of the adjusting groove 31 can be arranged in linear array several groups of baffles 35, specifically, the two ends of the close-to-spring 36 are respectively fixedly connected with the side wall of the baffle 35 and the inner wall of one end of the adjusting groove 31, and in the initial state, the close-to-spring 36 is in the expanded state, so that the baffle 35 always maintains the movement trend towards the center of the box body 1, thereby shielding the threading groove 32 and the positioning sleeve 37, at the same time, the positioning sleeve 37 comprises a square frame and a sleeve fixedly installed in the center of the square frame, and the left and right inner walls of the threading groove 32 are provided with a rectangular groove matched with the above-mentioned square frame, so that the positioning sleeve 37 can only displace in the vertical direction along the inner wall of the threading groove 32, thereby facilitating the worker to adjust the height of the positioning sleeve 37 according to the actual wire layout demand, reducing the condition that the skin of the line is easily stuck or bent when passing through the door body 2 in the use process.

[0028] In addition, the inner surface of the threading hole 38 is provided with a circular groove matched with the connecting ring 310, and a connecting hole matched with the outer diameter of the elastic telescopic rod 39 is formed at the center of the circular groove, and the elastic telescopic rod 39 is arranged inside the connecting hole. Specifically, the number of the connecting ring 310 is two groups, and the two groups of connecting ring 310 are symmetrically arranged at the two ends of the positioning sleeve 37 with the vertical central axis of the positioning sleeve 37 as the axis of symmetry, and in the initial state, the elastic telescopic rod 39 is in the contracted state, which always has the movement tendency of extending to both ends, so that the two groups of connecting ring 310 will move towards the side away from the center of the positioning sleeve 37 under the elastic force of the elastic telescopic rod 39 after the baffle 35 is moved away, and then extend out of the positioning sleeve 37. Further, the number of the rotating rod 311, the connecting block 312 and the arc-shaped plate 314 is four groups, and the four groups of rotating rod 311, connecting block 312 and arc-shaped plate 314 are uniformly distributed in a circumferential array on the side wall of the connecting ring 310, so that after the connecting ring 310 extends out of the positioning sleeve 37, the rotating rod 311 drives the connecting block 312 and the arc-shaped plate 314 to rotate towards the side away from the center of the threading hole 38 due to the elastic force of the volute spring 313, and then a protection structure expanding from inside to outside is formed at the end position of the positioning sleeve 37. Specifically, the edges of the arc-shaped plate 314 are all treated with round corners, and the arc-shaped plate 314 is made of rubber plate, so as to reduce the resistance and damage force suffered by the arc-shaped plate 314 when contacting with the electric wire and cable, improve the positioning effect relying on static friction, so that when the electric wire is arranged through the threading hole 38, even if the electric wire is dragged or bent, the arc-shaped plate 314 cooperating with the connecting block 312 can also provide certain protection for the electric wire, so as to avoid damaging the surface of the electric wire and affecting the service life.

[0029] In the embodiment of the utility model, the inside of threading hole 38 is provided with anti -skidding component 4, anti -skidding component 4 includes elastic piece 41, the inner surface of threading hole 38 is provided with the storage groove, and one end of elastic piece 41 is fixedly connected on the inner wall of storage groove, and the other end of elastic piece 41 is fixedly connected with arc-shaped block 42, and arc-shaped block 42 is close to the center one side arc-shaped outer wall of threading hole 38 and is provided with wave stripe.

[0030] Specifically, the number of anti-skid assemblies 4 is provided in several groups, and the several groups of anti-skid assemblies 4 are uniformly distributed in a spiral line array on the inner surface of the threading hole 38. Meanwhile, the anti-skid assemblies 4 are arranged on the left and right sides of the vertical central axis of the threading hole 38. Specifically, the several groups of anti-skid assemblies 4 are arranged in the area between the two groups of connecting rings 310, so as to tightly adhere to the surface of the electric wire cable when the electric wire cable is arranged in the threading hole 38. Through the several anti-skid assemblies 4 arranged in a spiral line array, when the electric wire cable is subjected to dragging, the arc-shaped blocks 42 corresponding to the several groups of anti-skid assemblies 4 are not in a straight line, so as to improve the resistance of the several groups of arc-shaped blocks 42 when adhering to the surface of the electric wire cable, reduce the influence of the electric wire cable subjected to dragging, and ensure the safety of electricity use.

[0031] In the utility model, in use, first open the door body 2, the electric wire needing to be laid is passed through the threading hole 38, and the positioning sleeve 37 is adjusted to the corresponding height in the vertical direction along the inner wall of the threading groove 32, then the baffle 35 of the height is pushed away, then the baffle 35 is loosened, the baffle 35 is clamped from the side to the connecting ring 310 extending out of the positioning sleeve 37 under the elastic force of the close spring 36, and the positioning sleeve 37 is limited in the vertical direction by the upper and lower baffles 35 at the position, then the line is inserted with the socket in the box body 1, then the door body 2 is closed, so that the normal connection of the electric wire is ensured, the external insects and small animals cannot enter the inside of the box body 1, so that the safety hidden danger of the running circuit is caused, and meanwhile, due to the arrangement of the rotatable rotating rod 311, the connecting block 312 and the arc-shaped plate 314, when the electric wire is arranged through the threading hole 38, even if the electric wire is subjected to dragging or bending, the arc-shaped plate 314 cooperates with the connecting block 312 to provide protection for the electric wire, so that the surface of the electric wire is prevented from being damaged, and the service life is affected.

[0032] The utility model has been described in detail above, but some modifications or improvements can be made on the basis of the utility model, which is obvious to the general technical personnel in the technical field. Therefore, the modifications or improvements without departing from the spirit of the utility model are within the protection scope of the utility model.

Claims

1. A substation maintenance power supply box for convenient wiring, comprising a box body (1), wherein a door (2) is movably connected to the front of the box body (1), characterized in that: A limiting component (3) is provided on the outer wall of the door (2) near the center of the box (1), the limiting component (3) including: Adjustment groove (31), the adjustment groove (31) is opened on the side of the door body (2), the center of the adjustment groove (31) is provided with a wire groove (32), the bottom inner wall of the adjustment groove (31) is provided with a T-shaped groove (33), the inner surface of the T-shaped groove (33) is slidably installed with a T-shaped slider (34), the side of the T-shaped slider (34) away from the door body (2) is fixedly connected with a baffle (35), and the side wall of the baffle (35) is fixedly connected with a pressing spring (36). A positioning sleeve (37) is movably installed inside the wire groove (32). A wire hole (38) is provided at the center of the positioning sleeve (37). A connecting ring (310) is movably installed inside the wire hole (38). An elastic telescopic rod (39) is fixedly connected to the side wall of the connecting ring (310). A rotating rod (311) is rotatably installed on the inner wall of the connecting ring (310) away from the center of the positioning sleeve (37). A connecting block (312) is fixedly connected through the rotating rod (311). A spiral spring (313) is sleeved on the arc-shaped outer wall at the end of the rotating rod (311). An arc-shaped plate (314) is fixedly connected to the side wall of the connecting block (312).

2. The substation maintenance power supply box with convenient wiring as described in claim 1, characterized in that: The number of adjustment grooves (31) is set in two sets, and the two sets of adjustment grooves (31) are symmetrically arranged on the inner and outer sides of the door body (2) with the central axis of the door body (2) as the axis of symmetry. The number of T-shaped grooves (33) is set in several, and the several T-shaped grooves (33) are evenly distributed in a linear array inside the adjustment grooves (31).

3. The substation maintenance power supply box with convenient wiring as described in claim 1, characterized in that: The positioning sleeve (37) includes a square frame and a sleeve fixedly installed in the center of the square frame. The inner walls of the left and right sides of the wire groove (32) are provided with rectangular grooves that are compatible with the square frame.

4. A substation maintenance power supply box with convenient wiring as described in claim 1, characterized in that: The inner surface of the thread hole (38) is provided with a circular groove that matches the connecting ring (310), and a connecting hole that matches the outer diameter of the elastic telescopic rod (39) is provided at the center of the circular groove. The elastic telescopic rod (39) is located inside the connecting hole. There are two sets of connecting rings (310), and the two sets of connecting rings (310) are symmetrically arranged at both ends of the positioning sleeve (37) with the vertical central axis of the positioning sleeve (37) as the axis of symmetry.

5. A substation maintenance power supply box with convenient wiring as described in claim 1, characterized in that: The edges of the arc-shaped plate (314) are all rounded, and the arc-shaped plate (314) is made of rubber.

6. A substation maintenance power supply box with convenient wiring as described in claim 1, characterized in that: The thread hole (38) is provided with an anti-slip component (4), which includes an elastic element (41). The inner surface of the thread hole (38) is provided with a storage groove. One end of the elastic element (41) is fixedly connected to the inner wall of the storage groove, and the other end of the elastic element (41) is fixedly connected to an arc-shaped block (42). The arc-shaped block (42) has wavy stripes on the arc-shaped outer wall near the center of the thread hole (38).

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