Novel quick opening lock device for high voltage cabinet

CN224648338UActive Publication Date: 2026-08-18JIANGSU WETOWN ELECTRICAL CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521643364.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-04
Publication Date
2026-08-18
Estimated Expiration
2035-08-04

AI Technical Summary

Technical Problem

[0004]本实用新型的目的在于提供高压柜新式快开锁装置,以解决上述背景技术中提出的现有的高压柜快开锁需要较高的焊接工艺和加工工艺,导致实际装配时误差较大,开门和锁门经常卡滞的问题

Benefits of technology

[0013]1、本实用新型通过门板连锁片、横向锁轴、门板加强板和快开门锁完成联动达到开门和锁门,且不要焊接,装配误差并不影响快开锁装置,使用时更加便利,节省开关门时间。

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224648338U_ABST
    Figure CN224648338U_ABST
Patent Text Reader

Abstract

The utility model relates to high -voltage cabinet door lock technical field, concretely for high -voltage cabinet new -type quick -opening lock device, including high -voltage cabinet door panel, the surface fixedly connected with door frame of high -voltage cabinet door panel, the surface swing joint has the cabinet door hinge of door frame, the surface of cabinet door hinge is opened and is connected with the hole, the surface swing joint has the quick -opening door lock of door frame, the surface fixedly connected with the clamping block of quick -opening door lock, the surface swing joint has the door panel interlocking piece of quick -opening door lock, the surface of door panel interlocking piece is opened and has the through slot, the surface of door panel interlocking piece is opened and has the limit slot, the utility model discloses through door panel interlocking piece, transverse lock axle, door panel reinforcing plate and quick -opening door lock complete linkage reaches the door and lock, and do not weld, and assembly error does not influence quick -opening lock device, when using, it is more convenient, saves the door time of opening and closing.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of high-voltage switchgear door lock technology, specifically a new type of quick-opening device for high-voltage switchgear. Background Technology

[0002] As a key piece of equipment in the power system, the high-voltage switchgear plays an important role in switching, controlling and protecting circuits. The unlocking device, as an important part of the safety protection system of the high-voltage switchgear, aims to standardize and constrain the operation process of the high-voltage switchgear through mechanical, electrical or electromechanical means, and prevent dangerous situations such as misoperation and live work.

[0003] The existing high-voltage switchgear quick-opening lock uses guide rods and welding blocks to connect with the cabinet pins to open and lock the door. Therefore, the connection requires advanced welding and processing techniques, which leads to large errors during actual assembly and frequent jamming during opening and locking. Utility Model Content

[0004] The purpose of this utility model is to provide a new type of quick-opening device for high-voltage switchgear, so as to solve the problem mentioned in the background art that the existing quick-opening device for high-voltage switchgear requires high welding and processing technology, resulting in large errors during actual assembly and frequent jamming when opening and locking the door.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a novel quick-opening lock device for high-voltage switchgear, comprising a high-voltage switchgear door panel and a column. A door frame is fixedly connected to the surface of the high-voltage switchgear door panel, a door hinge is movably connected to the surface of the door frame, a connecting hole is provided on the surface of the door hinge, a quick-opening lock is movably connected to the surface of the door frame, a locking block is fixedly connected to the surface of the quick-opening lock, a door panel interlocking plate is movably connected to the surface of the quick-opening lock, a through groove is provided on the surface of the door panel interlocking plate, a limit groove is provided on the surface of the door panel interlocking plate, and an interlocking opening locking plate is installed on the surface of the column.

[0006] Preferably, there are four sets of cabinet door hinges, and the four sets of cabinet door hinges are evenly distributed on the surface of the door frame. The cabinet door hinges are movably connected to the surface of the high-voltage cabinet door panel through the door frame.

[0007] Preferably, the door panel interlocking piece is movably connected to the door frame and the high-voltage cabinet door panel, the quick-opening door lock is movably connected to the high-voltage cabinet door panel through the door panel interlocking piece, and the door panel interlocking piece has a through groove near the quick-opening door lock.

[0008] Preferably, the locking block is movably connected to the door panel interlocking piece via a through groove, and there are two sets of locking blocks, with the two sets of locking blocks distributed on the surface of the quick-opening door lock.

[0009] Preferably, a transverse locking shaft is movably connected to the surface of the door panel interlock piece, a door panel reinforcing plate is movably connected to the surface of the quick-opening door lock, a slot is formed on the surface of the door panel reinforcing plate, a door lock pad is fixedly connected to the surface of the door frame, a movable groove is formed on the surface of the door lock pad, and a groove is formed on the surface of the door lock pad.

[0010] Preferably, there are three sets of transverse locking shafts, and the three sets of transverse locking shafts are evenly distributed on the surface of the door panel interlocking piece. The door panel reinforcing plate is engaged with the surface of the locking block through a slot. The quick-opening door lock is movably connected to the door panel reinforcing plate and the door panel interlocking piece.

[0011] Preferably, the door lock pad has three sets of movable grooves on its surface. The door lock pad is movably connected to the transverse lock shaft through the movable grooves, and the quick-opening door lock is movably connected to the surface of the door lock pad through the grooves.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model achieves door opening and locking through the linkage of door panel interlocking piece, horizontal locking shaft, door panel reinforcing plate and quick-opening door lock, without welding, and assembly errors do not affect the quick-opening locking device, making it more convenient to use and saving time in opening and closing the door.

[0014] 2. This utility model achieves the connection between the quick-opening door lock and the door panel interlocking plate through the card block and the door panel reinforcing plate, making it more flexible in use. The connection between the horizontal locking shaft and the door lock pad makes it more stable when moving the door panel interlocking plate. The three sets of horizontal locking shafts make the connection tighter and reduce the error generated during movement. Attached Figure Description

[0015] Figure 1 This is a three-dimensional front view of the structure of this utility model;

[0016] Figure 2 This is a three-dimensional rear view of the structure of this utility model;

[0017] Figure 3 This utility model Figure 1 A three-dimensional structural diagram of a quick-opening door lock;

[0018] Figure 4 This utility model Figure 2 3D structural schematic diagram of the interlocking panel of the middle door;

[0019] Figure 5 This utility model Figure 4 A dynamic three-dimensional schematic diagram of the structure of the transverse locking shaft;

[0020] Figure 6 This utility model Figure 3 Exploded three-dimensional schematic diagram of the middle door panel reinforcement plate;

[0021] Figure 7 This is a three-dimensional schematic diagram of the column structure of this utility model.

[0022] In the diagram: 1. High-voltage cabinet door panel; 11. Door frame; 2. Cabinet door hinge; 21. Connecting hole; 3. Quick-opening door lock; 31. Locking block; 4. Door panel interlock plate; 41. Through groove; 42. Limiting groove; 5. Horizontal lock shaft; 6. Door panel reinforcing plate; 61. Card slot; 7. Door lock pad; 71. Movable groove; 72. Groove; 8. Column; 81. Interlocking opening plate. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1-7 One embodiment provided by this utility model:

[0025] A new type of quick-opening locking device for high-voltage switchgear includes a high-voltage switchgear door panel 1 and a column 8. A door frame 11 is fixedly connected to the surface of the high-voltage switchgear door panel 1. A cabinet door hinge 2 is movably connected to the surface of the door frame 11. A connecting hole 21 is opened on the surface of the cabinet door hinge 2. A quick-opening door lock 3 is movably connected to the surface of the door frame 11. A locking block 31 is fixedly connected to the surface of the quick-opening door lock 3. A door panel interlocking piece 4 is movably connected to the surface of the quick-opening door lock 3. A through groove 41 is opened on the surface of the door panel interlocking piece 4. A limit groove 42 is opened on the surface of the door panel interlocking piece 4. An interlocking opening plate 81 is installed on the surface of the column 8. The high-voltage switchgear door panel 1 is spliced ​​through the cabinet door hinge 2. The cabinet door hinge 2 is connected to the high-voltage switchgear door panel 1 through the connecting hole 21. The cabinet door hinge 2 is movably connected to the high-voltage switchgear door panel 1 through the connecting hole 21. The high-voltage switchgear door panel 1 can be rotated through the cabinet door hinge 2. The interlocking opening plate 81 is installed on the column 8 of the high-voltage switchgear. The opening of the interlocking opening plate 81 has a guide slope to facilitate the entry of the horizontal locking shaft 5.

[0026] Furthermore, there are four sets of cabinet door hinges 2, and the four sets of cabinet door hinges 2 are evenly distributed on the surface of the door frame 11. The cabinet door hinges 2 are movably connected to the surface of the high-voltage cabinet door panel 1 through the door frame 11. The cabinet door hinges 2 are movably connected to one side of the high-voltage cabinet door panel 1, and the quick-opening door lock 3 is movably connected to the other side of the high-voltage cabinet door panel 1. The quick-opening door lock 3 has a lever fork that moves up and down. The high-voltage cabinet door panel 1 is restricted in position by the quick-opening door lock 3.

[0027] Furthermore, the door panel interlocking piece 4 is movably connected to the high-voltage cabinet door panel 1 via the door frame 11, and the quick-opening door lock 3 is movably connected to the high-voltage cabinet door panel 1 via the door panel interlocking piece 4. The door panel interlocking piece 4 is provided with a through groove 41 near the quick-opening door lock 3. The quick-opening door lock 3 drives the door panel interlocking piece 4 to move on the surface of the door frame 11. The quick-opening door lock 3 is movably connected to the door panel interlocking piece 4 via the door panel reinforcing plate 6, and the locking block 31 is movably connected to the surface of the door panel interlocking piece 4 via the through groove 41.

[0028] Furthermore, the locking block 31 is movably connected to the door panel interlocking piece 4 through the through groove 41. There are two sets of locking blocks 31, and the two sets of locking blocks 31 are distributed on the surface of the quick-opening door lock 3. The quick-opening door lock 3 drives the door panel interlocking piece 4 to move. The door panel interlocking piece 4 has a locking hole at the corresponding position of the locking block 31. The locking block 31 is movably connected to the door panel reinforcing plate 6 through the door panel interlocking piece 4.

[0029] Furthermore, a transverse locking shaft 5 is movably connected to the surface of the door panel interlock plate 4, a door panel reinforcing plate 6 is movably connected to the surface of the quick-opening door lock 3, a slot 61 is provided on the surface of the door panel reinforcing plate 6, a door lock pad 7 is fixedly connected to the surface of the door frame 11, a movable groove 71 is provided on the surface of the door lock pad 7, and a groove 72 is provided on the surface of the door lock pad 7. The door panel interlock plate 4 is movably connected to the surface of the door lock pad 7 through the transverse locking shaft 5. When opening and closing the door, the door panel interlock plate 4 is moved on the surface of the door lock pad 7 by moving the quick-opening door lock 3, thereby engaging with the open interlock plate.

[0030] Furthermore, there are three sets of horizontal locking shafts 5, and the three sets of horizontal locking shafts 5 are evenly distributed on the surface of the door panel interlocking piece 4. The door panel reinforcing plate 6 is engaged with the surface of the locking block 31 through the slot 61. The quick-opening door lock 3 is movably connected to the door panel interlocking piece 4 through the door panel reinforcing plate 6. The door panel reinforcing plate 6 is movably connected to the surface of the door panel interlocking piece 4 through the limiting slot 42. The connection between the quick-opening door lock 3 and the door panel interlocking piece 4 is realized through the limiting slot 42. The three sets of horizontal locking shafts 5 realize the closing and locking of the outer door.

[0031] Furthermore, the door lock pad 7 has three sets of movable grooves 71 on its surface. The door lock pad 7 is movably connected to the transverse lock shaft 5 through the movable grooves 71. The quick-opening door lock 3 is movably connected to the surface of the door lock pad 7 through the grooves 72. The door lock pad 7 is connected to the high-voltage cabinet door panel 1 through the door frame 11. The locking block 31 is movably connected to the surface of the door lock pad 7 through the grooves 72. The door lock pad 7 is movably connected to the door panel interlocking piece 4 through the quick-opening door lock 3.

[0032] Working principle: The main body of the high-voltage cabinet is shown by the connection between the high-voltage cabinet door panel 1 and the door frame 11. One side of the high-voltage cabinet door panel 1 is movably connected to the cabinet door hinge 2, and the other side of the high-voltage cabinet door panel 1 is connected to the door lock pad 7. The door lock pad 7 is movably connected to the door panel interlocking piece 4. The door lock pad 7 is movably connected to the door panel interlocking piece 4 through the horizontal locking shaft 5. The quick-opening door lock 3 is connected to the door panel interlocking piece 4 through the door panel reinforcing plate 6. When the cabinet door is opened or closed, the quick-opening door lock 3 moves the door panel interlocking piece 4, and the horizontal locking shaft 5 moves with the door panel interlocking piece 4 on the surface of the door lock pad 7, engaging with the open interlocking plate to complete the linkage to open and lock the door. No welding is required, and assembly errors do not affect the quick-opening locking device.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A novel quick-opening device for high-voltage switchgear, comprising a high-voltage switchgear door panel (1) and a column (8), characterized in that: A door frame (11) is fixedly connected to the surface of the high-voltage cabinet door panel (1). A cabinet door hinge (2) is movably connected to the surface of the door frame (11). A connection hole (21) is opened on the surface of the cabinet door hinge (2). A quick-opening door lock (3) is movably connected to the surface of the door frame (11). A locking block (31) is fixedly connected to the surface of the quick-opening door lock (3). A door panel interlocking piece (4) is movably connected to the surface of the quick-opening door lock (3). A through groove (41) is opened on the surface of the door panel interlocking piece (4). A limit groove (42) is opened on the surface of the door panel interlocking piece (4). An interlocking opening plate (81) is installed on the surface of the column (8).

2. The novel quick-opening device for high-voltage switchgear according to claim 1, characterized in that: There are four sets of cabinet door hinges (2), and the four sets of cabinet door hinges (2) are evenly distributed on the surface of the door frame (11). The cabinet door hinges (2) are movably connected to the surface of the high-voltage cabinet door panel (1) through the door frame (11).

3. The novel quick-unlocking device for high-voltage switchgear according to claim 1, characterized in that: The door panel interlocking piece (4) is movably connected to the high-voltage cabinet door panel (1) via the door frame (11), and the quick-opening door lock (3) is movably connected to the high-voltage cabinet door panel (1) via the door panel interlocking piece (4). The door panel interlocking piece (4) has a through groove (41) near the quick-opening door lock (3).

4. The novel quick-opening device for high-voltage switchgear according to claim 1, characterized in that: The locking block (31) is movably connected to the door panel interlocking piece (4) through the through groove (41). There are two sets of locking blocks (31), and the two sets of locking blocks (31) are distributed on the surface of the quick-opening door lock (3).

5. The novel quick-unlocking device for high-voltage switchgear according to claim 1, characterized in that: The door panel interlock plate (4) is movably connected to a horizontal locking shaft (5), the quick-opening door lock (3) is movably connected to a door panel reinforcing plate (6), the door panel reinforcing plate (6) has a slot (61) on its surface, the door frame (11) is fixedly connected to a door lock pad (7), the door lock pad (7) has a movable groove (71) on its surface, and the door lock pad (7) has a groove (72) on its surface.

6. The novel quick-opening device for high-voltage switchgear according to claim 5, characterized in that: There are three sets of horizontal locking shafts (5), and the three sets of horizontal locking shafts (5) are evenly distributed on the surface of the door panel interlocking piece (4). The door panel reinforcing plate (6) is engaged with the surface of the card block (31) through the card slot (61). The quick-opening door lock (3) is movably connected through the door panel reinforcing plate (6) and the door panel interlocking piece (4).

7. The novel quick-opening device for high-voltage switchgear according to claim 5, characterized in that: The door lock pad (7) has three sets of movable grooves (71) on its surface. The door lock pad (7) is movably connected to the transverse lock shaft (5) through the movable grooves (71). The quick-opening door lock (3) is movably connected to the surface of the door lock pad (7) through the groove (72).