False touch prevention locking device of transformer substation cabinet body

By designing interlocking and sealing devices, the problems of inconvenient one-handed operation and rainwater ingress in the protective enclosure of high-voltage switchgear in substations have been solved, achieving convenient one-handed operation and improving the sealing effect.

CN223858651UActive Publication Date: 2026-01-30JIANGMEN KAIHUA INTELLIGENT EQUIPMENT CO LTD
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Patent Information

Application Number
CN202520353884.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-28
Publication Date
2026-01-30
Estimated Expiration
2035-02-28

AI Technical Summary

Technical Problem

The protective enclosures of existing high-voltage switchgear in substations are not convenient for one-handed operation and pose a risk of rainwater entering the control panel.

Method used

An anti-accidental contact locking device was designed, which includes a locking device and a sealing device. The locking device enables the protective shell to be opened and locked with one hand through a rotating shaft and a rotating block. The sealing device fills the gap between the protective shell and the cabinet with a sealing ring and a spring to improve the sealing effect.

Benefits of technology

It enables easy one-handed opening and locking of the protective shell, enhances the seal between the protective shell and the cabinet, and prevents rainwater from entering the control panel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-mistaken touch locking device of a transformer station cabinet body, which relates to a high-voltage switch cabinet, and comprises a frame body and a protective shell, the top of the frame body is provided with a notch, the notch is provided with a locking device, the locking device is used for locking or assisting in opening the protective shell, the locking device comprises a rotating shaft arranged at the notch, and the rotating shaft is connected with the protective shell. The rotating shaft rotatably penetrates through the rotating block and is used for supporting the rotating block to rotate, a handle used for assisting in opening the protective shell is arranged on the outer wall of the protective shell, and a plug pin used for being movably inserted into the inserting groove of the frame body movably penetrates through the side wall of the handle; the end, away from the frame body, of the bolt is connected with an elastic rod used for pushing the bolt to move towards the side away from the handle, and the side, facing the transformer substation cabinet body, of the protective shell is provided with a sealing device, so that the protective shell is convenient to lock and open, the opening and locking operation can be completed with one hand, and the gap between the protective shell and the cabinet body is convenient to fill. The sealing effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to high -voltage switchgear technical field, concretely is a transformer substation cabinet's anti -accidental touch locking device. BACKGROUND

[0002] High-voltage switchgear is used in power system generation, transmission, distribution, electric energy conversion and consumption and plays the role of on-off, control or protection. High-voltage switchgear is electric appliance product according to voltage grade in 3.6kV~550kV, high-voltage switchgear includes high-voltage switchgear, high-voltage switchgear, high-voltage switchgear, high-voltage switchgear, high-voltage switchgear, high-voltage switchgear, high-voltage switchgear, high-voltage switchgear and high-voltage switchgear.

[0003] In the prior art, the utility model discloses a kind of anti-misoperation locking devices of transformer substation high-voltage switchgear, and it is related to locking device technical field, including frame and protective shell;Frame: the shaft hole in left and right sides is rotatably connected with bolt, the top of frame front side is equipped with fixed seat, the inside of fixed seat is rotatably connected with shaft, the left side of fixed seat is equipped with motor, the output shaft of motor is connected with the left side end of shaft, the outside of shaft is equipped with connecting head, the top of protective shell is equipped with mounting bracket, which is correspondingly clamped with the mounting groove outside connecting head, the side of frame is equipped with locking unit, the inside of protective shell is equipped with dehumidification unit.

[0004] The anti-misoperation locking device of transformer substation high-voltage switchgear, the locking unit is arranged on the side wall of protective shell, so that it is inconvenient to open and lock the protective shell with one hand, and the protective shell is not directly in contact with the cabinet, so that rainwater may enter the control panel through the gap between the frame and the cabinet. To solve the above problems, a transformer substation cabinet anti-misoperation locking device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a transformer substation cabinet anti-misoperation locking device to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transformer substation cabinet anti-misoperation locking device, including frame and protective shell, the top of frame is equipped with notch, the notch is equipped with locking device, the locking device is used to lock or assist in opening the protective shell, the locking device includes a shaft arranged at the notch, the shaft is rotatably penetrated with a rotating block and is used to support the rotating block to rotate, a handle is arranged on the outer wall of the protective shell for assisting in opening the protective shell, a latch is movably penetrated on the side wall of the handle and is used to move and insert into the slot of the frame, the end of the latch away from the frame is connected with an elastic rod for pushing the latch to move away from the handle, and a sealing device is arranged on the side of the protective shell facing the transformer substation cabinet.

[0007] Preferably, the sealing device is used to fill the gap between the protective shell and the cabinet body of the transformer substation.

[0008] Preferably, the sealing device comprises a sealing ring arranged on one side of the protective shell, a fixing block is arranged on the outer wall of the one end of the sealing ring away from the protective shell, and a spring for pushing the sealing ring to expand is arranged on the fixing block.

[0009] Preferably, the rotating shaft is rotatably connected to the frame body, and the rotating block is used to support the turning of the protective shell, and the rotating angle of the rotating block at the notch is greater than ninety degrees.

[0010] Preferably, the handle is a concave structure, and the handle is provided with a ball bearing at the position where the handle is penetrated by the pin.

[0011] Preferably, the surface of the pin is smooth, the length of the elastic rod is less than the length of the handle, and the length of the elastic rod is greater than or equal to one half of the length of the protective shell.

[0012] Preferably, the sealing ring is a resilient telescopic sealing ring, the free end of the spring is connected to the protective shell, and a telescopic rod for supporting the spring is arranged in the spring.

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

[0014] 1. First, install the frame body on the outside of the control panel of the cabinet body of the transformer substation, hold the handle, press the elastic rod with fingers, bend the elastic rod, pull the pin to move to the side of the handle, separate the one end of the pin from the slot of the frame body, then pull the handle obliquely upwards, pull the protective shell through the rotating block to rotate on the rotating shaft, and then complete the opening of the protective shell, so that the cabinet control panel can be operated, the protective shell is convenient to lock and open, and the opening and locking operation can be completed by one hand.

[0015] 2. After closing the protective shell, the one end surface of the sealing ring is in close contact with the outer wall of the cabinet body, and the sealing ring is in a compressed state, so that the compressed spring is compressed through the fixing block, the spring elastic force and the sealing ring elastic force are all used to push the sealing ring to restore the original state, so that the one end surface of the sealing ring is closely attached to the cabinet body, the gap between the protective shell and the cabinet body is filled, and the sealing effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a structural schematic view of the utility model;

[0017] Fig. 2 It is a structural schematic view of the locking device in the utility model;

[0018] Fig. 3 It is a structural schematic view of the sealing device in the utility model.

[0019] In the figure: 1, frame; 2, protective shell; 3, notch; 4, locking device; 41, rotating shaft; 42, rotating block; 43, handle; 44, bolt; 45, elastic rod; 5, sealing device; 51, sealing ring; 52, fixed block; 53, spring. DETAILED DESCRIPTION

[0020] 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.

[0021] Please refer to Figs. 1-3 A kind of anti-misoperation locking device of transformer substation cabinet, including frame 1 and protective shell 2, frame 1 top is equipped with notch 3, notch 3 is equipped with locking device 4, locking device 4 is used to lock or assist opening protective shell 2, locking device 4 includes rotating shaft 41 being equipped at notch 3, rotating shaft 41 rotationally penetrates rotating block 42 and is used to support rotating block 42 rotation, handle 43 for assisting opening protective shell 2 is arranged on the outer wall of protective shell 2, bolt 44 for moving insertion frame 1 slot is moved through on the side wall of handle 43, the end of bolt 44 away from frame 1 is connected with elastic rod 45 for pushing bolt 44 to the side away from handle 43 moves, rotating shaft 41 is rotationally connected on frame 1, rotating block 42 is used to support protective shell 2 overturn, rotating block 42 is rotated at notch 3 Angle is greater than ninety degrees, handle 43 is concave letter shape structure, the place where handle 43 is penetrated by bolt 44 is equipped with ball for assisting the movement of bolt 44, the penetration of handle 43 is inclined hole to facilitate the sliding of bolt, the surface of bolt 44 is smooth, the length of elastic rod 45 is less than the length of handle 43, the length of elastic rod 45 is greater than or equal to half of the length of protective shell 2.

[0022] First, frame 1 is installed on the outside of the control panel of transformer substation cabinet (can be fixed by screw, fixed by glue, etc.), hold handle 43, finger snap elastic rod 45, elastic rod 45 is bent, pull bolt 44 to the side of handle 43 moves, one end of bolt 44 is separated from frame 1 slot, then pull handle 43 obliquely, handle 43 pulls protective shell 2 to rotate on rotating shaft 41 through rotating block 42, and then open protective shell 2 is completed, the control panel of cabinet can be operated, so that it is convenient to lock and open protective shell 2, so that one hand can complete the opening and locking operation.

[0023] The sealing device 5 is arranged on one side of the protective shell 2 and is used to fill the gap between the protective shell 2 and the transformer cabinet, and the gap is smaller than the normal width of the sealing ring 51, the sealing device 5 comprises the sealing ring 51 arranged on one side of the protective shell 2, a fixed block 52 is arranged on the end of the sealing ring 51 away from the protective shell 2, a spring 53 for pushing the sealing ring 51 to expand is arranged on the fixed block 52, the sealing ring 51 is a retractable sealing ring that can rebound, the free end of the spring 53 is connected to the protective shell 2, a telescopic rod for supporting the spring 53 is arranged in the spring 53, one end of the telescopic rod is connected to the fixed block 52, and the other end of the telescopic rod is connected to the protective shell 2.

[0024] After the protective shell 2 is closed, one end surface of the sealing ring 51 is in close contact with the outer wall of the cabinet 1, and the sealing ring 51 is in a compressed state, so that the compressed spring 53 is driven by the fixed block 52, and the elastic force of the spring 53 and the elastic force of the sealing ring 51 are all used to drive the sealing ring 51 to restore the original state, so that the one end surface of the sealing ring 51 is in close contact with the cabinet, thereby facilitating the filling of the gap between the protective shell 2 and the cabinet and improving the sealing effect.

[0025] Working principle: first, the frame body 1 is installed outside the control panel of the transformer cabinet (which can be fixed by screws, glue, etc.), the handle 43 is held, the elastic rod 45 is buckled by the fingers, the elastic rod 45 is bent, the bolt 44 is moved to one side of the handle 43, one end of the bolt 44 is separated from the slot of the frame body 1, then the handle 43 is pulled obliquely upwards, the protective shell 2 is pulled by the handle 43 to rotate on the rotating shaft 41 through the rotating block 42, and the opening of the protective shell 2 is completed, the cabinet control panel can be operated, so that the protective shell 2 can be conveniently locked and opened, and the opening and locking operation can be completed by one hand, after the protective shell 2 is closed, one end surface of the sealing ring 51 is in close contact with the outer wall of the cabinet 1, and the sealing ring 51 is in a compressed state, so that the compressed spring 53 is driven by the fixed block 52, and the elastic force of the spring 53 and the elastic force of the sealing ring 51 are all used to drive the sealing ring 51 to restore the original state, so that the one end surface of the sealing ring 51 is in close contact with the cabinet, thereby facilitating the filling of the gap between the protective shell 2 and the cabinet and improving the sealing effect.

[0026] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mistaken-touchproof locking device of a substation cabinet, comprising a frame (1) and a protective shell (2), characterized in that: The frame (1) top is provided with a notch (3), the notch (3) is provided with a locking device (4), the locking device (4) is used for locking or assisting in opening the protective shell (2), the locking device (4) includes a rotating shaft (41) provided at the notch (3), the rotating shaft (41) is rotatably penetrated by a rotating block (42) and is used for supporting the rotating block (42) to rotate, a handle (43) for assisting in opening the protective shell (2) is arranged on the outer wall of the protective shell (2), a latch (44) for moving into the slot of the frame (1) is movably arranged on the side wall of the handle (43), an elastic rod (45) for pushing the latch (44) to move away from the handle (43) is connected to the end of the latch (44) away from the frame (1), and a sealing device (5) is arranged on the side of the protective shell (2) facing the transformer cabinet body.

2. The anti-collision locking device of the substation cabinet body according to claim 1, characterized in that: The sealing device (5) is used for filling the gap between the protective shell (2) and the transformer cabinet body.

3. The anti-collision locking device of the substation cabinet body according to claim 2, characterized in that: The sealing device (5) includes a sealing ring (51) arranged on one side of the protective shell (2), a fixed block (52) is arranged on the outer wall of the end of the sealing ring (51) away from the protective shell (2), and a spring (53) for pushing the sealing ring (51) to expand is arranged on the fixed block (52).

4. The anti-collision locking device of the substation cabinet according to claim 1, characterized in that: The rotating shaft (41) is rotatably connected to the frame (1), the rotating block (42) is used for supporting the protective shell (2) to flip, and the rotating angle of the rotating block (42) at the notch (3) is greater than ninety degrees.

5. The misoperation-proof locking device of the substation cabinet body according to claim 1, characterized in that: The handle (43) is a concave structure, and the handle (43) is provided with a ball bearing at the position penetrated by the latch (44).

6. The misoperation preventing lockout device for a substation cubicle according to claim 1, characterized by: The surface of the latch (44) is smooth, the length of the elastic rod (45) is less than the length of the handle (43), and the length of the elastic rod (45) is greater than or equal to one half of the length of the protective shell (2).

7. The anti-collision locking device of the substation cabinet body according to claim 3, characterized in that: The sealing ring (51) is a resilient telescopic sealing ring, the free end of the spring (53) is connected to the protective shell (2), and a telescopic rod for supporting the spring (53) is movably arranged in the spring (53).

Citation Information

Patent Citations

  • Anti-misoperation locking device for high-voltage switch cabinet of transformer substation

    CN216818127U