Box-type switching station with high box door stability

By designing structures such as sliding seats, tie rods, positioning columns, and springs in the box-type switchgear, the problem of the box door swaying under wind force is solved, ensuring the stability and fixing efficiency of the box door, and improving maintenance safety and efficiency.

CN223912128UActive Publication Date: 2026-02-13TIANMEI ELECTRIC CO LTD
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Patent Information

Application Number
CN202520460560.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-02-13
Estimated Expiration
2035-03-17

AI Technical Summary

Technical Problem

When existing box-type switchgear is used outdoors, the door is prone to swaying under the influence of wind, which affects the maintenance work of the staff.

Method used

A fixing mechanism was designed, including a sliding seat, a pull rod, a positioning post, and a spring. The cooperation of the sliding groove and the positioning hole ensures that the door is not affected by wind when it is opened, and the two doors are fixed by screw rings and nuts, thereby improving the fixing efficiency.

Benefits of technology

This design prevents the enclosure door from swaying under wind force, ensuring the safety and efficiency of maintenance personnel, while also reducing the space occupied by the enclosure door and improving the fixing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a box-type switching station with high box door stability. The box-type switching station comprises a box body, a first box door hinged to the box body, a second box door hinged to the first box door, a connecting piece arranged on the first box door and used for fixing the second box door, and a fixing mechanism arranged between the box body and the first box door. The fixing mechanism comprises a sliding seat, a sliding groove is formed in the box body, the sliding seat is connected in the sliding groove in a sliding mode, and a pull rod is arranged between the sliding seat and the connecting piece. The first box door and the second box door are fixed together through the screw ring and the nut arranged on the first box door, the occupied space of the box doors is reduced, the two box doors can be fixed together through the fixing mechanism, and the fixing efficiency of the box doors is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switching station, concretely is a box -type switching station with high box door stability. BACKGROUND

[0002] With the comprehensive reform and development of power system, switching stations are increasing in large numbers in various places. Switching stations are located at the next level of substations in the power system. Switching stations are power facilities that supply high-voltage power to several surrounding power users. Switching stations are located at the next level of substations in the power system. Switching stations are also power distribution facilities used to receive and distribute power. They are not only the most basic units of the bottom layer of the power distribution network, but also one of the key links in the transmission of power from high voltage to low voltage. They are widely used in the power distribution network of urban industrial areas, residential areas, commercial centers, mining areas, and large enterprises such as steel, automobiles, petroleum, chemical industry, cement, and other places. They are particularly suitable for urban power grid reconstruction projects.

[0003] The existing large box-type switching stations usually have multiple box doors hinged together. Opening the middle box door allows the other box doors to be pulled open simultaneously. This design improves the efficiency of opening the doors for workers and increases the maintenance space for workers. However, when using such box-type switching stations outdoors, workers may open multiple box doors during maintenance. When the box doors are opened, they are in a movable state. When the box doors are blown by the wind, they may swing with the wind direction, hitting the box body or the workers, which may affect the maintenance of the workers. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a box-type switching station with high box door stability to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a box-type switching station with high box door stability, comprising a box body, a first box door hinged to the box body, a second box door hinged to the first box door, a connecting piece provided on the first box door to fix the second box door, and a fixing mechanism provided between the box body and the first box door.

[0006] The fixing mechanism comprises a sliding seat, a sliding groove is formed in the box body, the sliding seat is slidably connected in the sliding groove, a pull rod is provided between the sliding seat and the connecting piece, a positioning column is provided on the sliding seat, and a positioning hole is provided on the box body to cooperate with the positioning column.

[0007] As a preferred scheme of the utility model, a threaded rod is threadedly connected to the sliding seat, a rotating rod is rotatably provided at the top of the threaded rod, a sliding plate is rotatably connected to the threaded rod, the positioning column is slidably arranged in the sliding plate, and a spring is provided between the sliding seat and the positioning column.

[0008] As a preferred scheme of the utility model, the connecting piece comprises a screw ring, the first cabinet door is internally threadedly connected with the screw ring, the outer side of the screw ring is threadedly connected with a nut, and the second cabinet door and the first cabinet door can be fixed by tightening the nut after being folded.

[0009] As a preferred scheme of the utility model, the rotating rod is fixedly connected with a pull ring, one end of the pull rod is connected with the pull ring in a matched mode, and the other end of the pull rod is connected with the screw ring in a matched mode.

[0010] As a preferred scheme of the utility model, the positioning column is fixedly connected with a limiting ring, and the spring can push the positioning column to make the limiting ring contact the top of the sliding plate.

[0011] As a preferred scheme of the utility model, one end of the positioning column is a spherical surface.

[0012] Compared with the prior art, the utility model has the beneficial effects that: the sliding seat, the pull rod, the positioning column and the spring are used in a matched mode, the first cabinet door is not affected by the wind and does not swing when being unfolded, the screw ring and the nut arranged on the first cabinet door can fix the first cabinet door and the second cabinet door together, the occupying space of the cabinet door is reduced, the two cabinet doors can be fixed together by the fixing mechanism, and the fixing efficiency of the cabinet door is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a perspective view of the utility model;

[0014] Figure 2 It is a side view of the cabinet body after the cabinet door of the utility model is unfolded;

[0015] Figure 3 It is a structure schematic view of the folding of the first cabinet door and the second cabinet door of the utility model;

[0016] Figure 4 It is a structure schematic view of the Figure 1 enlarged structure schematic view of A in the utility model;

[0017] Figure 5 It is a structure schematic view of the Figure 2 enlarged structure schematic view of B in the utility model.

[0018] In the drawing: 1, cabinet body; 2, first cabinet door; 3, second cabinet door; 4, sliding groove; 5, sliding seat; 6, threaded rod; 7, sliding plate; 8, rotating rod; 9, pull ring; 10, pull rod; 11, positioning hole; 12, positioning column; 13, limiting ring; 14, spring; 15, screw ring; 16, nut. DETAILED DESCRIPTION

[0019] 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 the utility model.

[0020] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a box-type switching station with high box door stability, including box 1, first box door 2 is hinged on box 1, second box door 3 is hinged on first box door 2, connecting piece for fixing second box door 3 is provided on first box door 2, fixed mechanism is provided between box 1 and first box door 2;

[0021] Fixed mechanism includes sliding seat 5, sliding slot 4 is opened in box 1, sliding seat 5 is slidably connected in sliding slot 4, pull rod 10 is arranged between sliding seat 5 and connecting piece, positioning column 12 is provided on sliding seat 5, one end of positioning column 12 is spherical surface, facilitate positioning column 12 to move, positioning hole 11 matched with positioning column 12 is provided on box 1, positioning column 12 can be inserted into corresponding positioning hole 11 after being opened to a certain angle first box door 2.

[0022] Wherein, threaded rod 6 is threadedly connected on sliding seat 5, rotating rod 8 is rotatably arranged on the top of threaded rod 6, sliding plate 7 is rotatably connected on threaded rod 6, rotating threaded rod 6 will drive sliding plate 7 to move up and down on sliding seat 5, positioning column 12 is slidably arranged in the inside of sliding plate 7, spring 14 is arranged between sliding seat 5 and positioning column 12, spring 14 will push positioning column 12 to move downward.

[0023] Wherein, connecting piece includes screw ring 15, screw ring 15 is threadedly connected in the inside of first box door 2, nut 16 is threadedly connected on the outside of screw ring 15, second box door 3 and first box door 2 are folded, and second box door 3 can be fixed by tightening nut 16, hole corresponding with screw ring 15 is opened on second box door 3, second box door 3 is connected with screw ring 15 through hole, and then nut 16 is tightened.

[0024] Wherein, pull ring 9 is fixedly connected on rotating rod 8, one end of pull rod 10 is connected with pull ring 9, the other end of pull rod 10 is connected with screw ring 15, box 1 and first box door 2 are connected by pull rod 10.

[0025] The limiting ring 13 is fixedly connected to the positioning column 12, and the limiting ring 13 prevents the positioning column 12 from sliding out of the sliding plate 7 when the spring 14 is pressed against the positioning column 12 and moves downward.

[0026] Specifically, when the staff needs to overhaul the inside of 1, 3 can be opened first, and then 3 is closed by rotating 2, 15 passes through 3, and 16 is tightened, the fixing between 3 and 2 is completed, and then 2 is pulled apart to pull 5 along 4, at this time, the spherical end of 12 is acted on by the inner wall of 11, 14 is pushed upward, and 12 slides through a plurality of 11 in sequence as 2 is unfolded, when 2 is completely opened, 6 is twisted to drive 7 to move downward, so that the cylindrical surface of 12 is inserted into 11, the position of 5 is fixed, and the fixing of 2 is realized.

[0027] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the devices or elements indicated must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model.

[0028] In addition, the terms "first", "second", "third", "fourth" are only for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one feature.

[0029] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connection", "fixing", "screw connection" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise explicitly limited, the above-mentioned terms in the utility model can be understood according to the specific meaning of the specific situation by the ordinary skilled in the art.

[0030] Although the embodiments of the utility model have been shown and described, it can be understood by the ordinary skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A box-type opening and closing station with high stability of a box door, comprising a box body (1), characterized in that: The first box door (2) is hinged to the box body (1), and the second box door (3) is hinged to the first box door (2); a connecting piece is arranged on the first box door (2) and used for fixing the second box door (3); and a fixing mechanism is arranged between the box body (1) and the first box door (2). The fixing mechanism comprises a sliding seat (5), a sliding groove (4) is formed in the box body (1), the sliding seat (5) is slidably connected in the sliding groove (4), a pull rod (10) is arranged between the sliding seat (5) and the connecting piece, a positioning column (12) is arranged on the sliding seat (5), and a positioning hole (11) that is matched with the positioning column (12) is arranged on the box body (1).

2. The box door according to claim 1, wherein: A threaded rod (6) is threadedly connected to the sliding seat (5), a rotating rod (8) is rotatably arranged at the top of the threaded rod (6), a sliding plate (7) is rotatably connected to the threaded rod (6), the positioning column (12) is slidably arranged in the sliding plate (7), and a spring (14) is arranged between the sliding seat (5) and the positioning column (12).

3. The box door according to claim 2, wherein: The connecting piece comprises a screw ring (15), the screw ring (15) is threadedly connected to the inside of the first box door (2), a nut (16) is threadedly connected to the outside of the screw ring (15), and the second box door (3) is fixed by tightening the nut (16) after being folded with the first box door (2).

4. The box door according to claim 3, wherein: A pull ring (9) is fixedly connected to the rotating rod (8), one end of the pull rod (10) is connected with the pull ring (9), and the other end of the pull rod (10) is connected with the screw ring (15).

5. The box door according to claim 4, wherein: A limiting ring (13) is fixedly connected to the positioning column (12), the spring (14) can push the positioning column (12) so that the limiting ring (13) is in contact with the top of the sliding plate (7).

6. The box door according to claim 4, wherein: One end of the positioning column (12) is a spherical surface.