Automatic locking device for surge

By designing guide grooves and pressure-locking components, the complexity of installing automatic surge arresters is solved, enabling rapid fixing and convenient disassembly, thus improving the installation and maintenance efficiency of surge protection arresters.

CN224110874UActive Publication Date: 2026-04-10HANGZHOU YIZAO TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The existing automatic surge arrester is cumbersome to install and remove, and is prone to screw loss and uneven installation, which affects equipment performance and maintenance efficiency.

Method used

The device employs a mounting plate and surge protection locking controller, and uses guide grooves and pressing components to achieve rapid positioning and stable clamping of the chuck column, simplifying screw operation and improving assembly and disassembly efficiency.

Benefits of technology

It enables quick fixing and convenient disassembly of surge protection locking controllers, improving installation and maintenance efficiency and enhancing the convenience and reliability of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic locking device for surge, which belongs to the technical field of protection electric appliances and comprises a mounting plate and a surge protection locking controller, a mounting insertion box is fixed on the side surface of the mounting plate, a guide chute is arranged on the side surface of the mounting insertion box, and the top end of the guide chute is open. The back surface of the surge protection locking controller is fixedly provided with a head clamping column which can be inserted into the installation insertion box and is clamped and matched with the guide sliding groove. The installation insertion box is provided with a pressing assembly for clamping and limiting the head clamping column. According to the surge protection locking controller fixing device, the clamping head columns located at the bottom of the installation insertion box are stably clamped through the pressing assembly, so that the surge protection locking controller is limited and locked, rapid fixing and installation of the surge protection locking controller are completed, the assembling and disassembling operation of the surge protection locking controller is effectively simplified, and the working efficiency of the surge protection locking controller is improved. The assembling and disassembling efficiency of the surge protection locking controller is improved, and the surge protection locking controller is convenient to overhaul and maintain.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of protection electrical appliances, especially to an automatic locking device for surge. BACKGROUND

[0002] In various electrical systems, the harm of surge cannot be underestimated. The momentary high voltage and large current generated by surge can cause serious damage to electrical equipment, such as chip burning, component aging acceleration, etc., greatly shortening the service life of the equipment, and even causing system failure and huge economic losses. Although the traditional surge protector can limit the surge energy to a certain extent, it still has limitations in dealing with complex and variable surge situations. For example, it is difficult to quickly and accurately locate the fault point, and the maintenance and troubleshooting takes a long time, so it is necessary to apply an automatic locking device for surge. The automatic locking device for surge monitors the specific parameters or state changes in the circuit in real time, such as voltage mutation and abnormal current fluctuation. Once these abnormal signals related to surge are detected, the automatic locking device will respond quickly within a very short time, and through the internal mechanical or electronic mechanism, it can quickly lock the fault state. This locked state can remain unchanged until the maintenance personnel manually reset it or the fault is completely eliminated, providing comprehensive and reliable surge protection for electrical equipment.

[0003] The automatic lock for surge in the prior art is usually fixed and installed by multiple screws. During installation, multiple screws need to be tightened one by one, which is a tedious and time-consuming process, not convenient enough, and affects the installation efficiency. When maintaining, many screws need to be removed, which not only complicates the operation, but also easily causes the loss of screws. At the same time, the tightening degree of each screw during installation is inconsistent, which can easily cause uneven stress on the lock, affecting the normal working performance.

[0004] Therefore, it is necessary to provide an automatic locking device for surge to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an automatic locking device for surge to solve the problems raised in the background.

[0006] To achieve the above-mentioned purpose, the utility model solves the above-mentioned technical problems in the following scheme: an automatic locking device for surge, comprising a mounting plate and a surge protection locking controller, a mounting plug-in box is fixed on the side surface of the mounting plate, a guide sliding groove is opened on the side surface of the mounting plug-in box, and the top end of the guide sliding groove is open, a clamping head column that can be inserted into the inside of the mounting plug-in box and is matched with the guide sliding groove is fixed on the back surface of the surge protection locking controller, and a pressing assembly that clamps and limits the clamping head column is arranged on the mounting plug-in box.

[0007] As a further scheme of the utility model, the pressing assembly comprises a nut sleeve fixed to the side wall of the mounting plug-in box, a threaded rod is threadedly connected in the nut sleeve, and an arc-shaped clamping plate is connected to the inner side end of the threaded rod.

[0008] As a further scheme of the utility model, the threaded rod is rotatably connected with the arc-shaped clamping plate, a guide rod is fixed to the side surface of the arc-shaped clamping plate, and the guide rod is slidably penetrated through the side wall of the mounting plug-in box.

[0009] As a further scheme of the utility model, a support rod is fixed to the inner side wall of the mounting plug-in box, and a baffle that is clamped and matched with the arc-shaped clamping plate is fixed to the end of the support rod.

[0010] As a further scheme of the utility model, a rubber pad is fixed to the side surface of the arc-shaped clamping plate close to the baffle.

[0011] As a further scheme of the utility model, a rotating head plate is fixed to the end of the threaded rod away from the arc-shaped clamping plate, and a plurality of annularly distributed convex rib strips are arranged on the side surface of the rotating head plate.

[0012] As a further scheme of the utility model, screw holes are arranged at the four corners of the mounting plate.

[0013] Compared with the prior art, the utility model has the beneficial effects that: the clamping head column on the back surface of the surge protection locking controller is directly clamped into the inside of the mounting plug-in box, the clamping of the clamping head column is guided and limited through the guide sliding groove, the clamping head column is moved into the bottom of the mounting plug-in box, the surge protection locking controller is preliminarily limited, the clamping head column at the bottom of the mounting plug-in box is stably clamped through the pressing assembly, thereby the surge protection locking controller is limited and locked, the quick fixing and mounting of the surge protection locking controller is completed, the clamping and pressing limitation of the clamping head column can be released through the pressing assembly, the surge protection locking controller can be conveniently disassembled by directly pulling up the surge protection locking controller and making the clamping head column come out of the inside of the mounting plug-in box, the operation of repeatedly assembling and disassembling a plurality of screws is omitted, the assembling and disassembling operation of the surge protection locking controller is effectively simplified, the assembling and disassembling efficiency of the surge protection locking controller is improved, and the maintenance convenience and efficiency of the surge protection locking controller are effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model is further illustrated below in combination with the drawings and embodiments:

[0015] Figure 1 It is the overall structure perspective drawing of the utility model;

[0016] Figure 2 It is the overall side view structure schematic diagram of the utility model;

[0017] Figure 3The partial structure schematic view of the clamping head column of the utility model is shown in the figure.

[0018] Figure 4 The partial structure schematic view of the guiding chute of the utility model is shown in the figure.

[0019] Figure 5 The cross section structure schematic view of the pressing assembly of the utility model is shown in the figure.

[0020] Figure 6 The partial structure schematic view of the pressing assembly of the utility model is shown in the figure.

[0021] In the figure, the components represented by each number are listed as follows:

[0022] 1, pressing assembly; 101, threaded rod; 102, nut sleeve; 103, arc-shaped clamping plate; 104, rubber pad; 105, rotating head plate; 106, convex rib; 107, baffle; 108, supporting rod; 109, guiding rod; 2, mounting plate; 3, mounting plug-in box; 4, surge protection locking controller; 5, screw hole; 6, clamping head column; 7, guiding chute. DETAILED DESCRIPTION

[0023] The utility model will be further described in combination with examples.

[0024] Please refer to Figures 1-6The utility model provides a kind of automatic locking device for surge, including mounting plate 2 and surge protection locking controller 4, the side of mounting plate 2 is fixed with installation plug-in box 3, the side of installation plug-in box 3 is equipped with guide sliding slot 7 and the top of guide sliding slot 7 is set as opening, the back of surge protection locking controller 4 is fixed with the clamping head column 6 that can be inserted inside installation plug-in box 3 and with guide sliding slot 7 clamping adaptation, installation plug-in box 3 is provided with the pressing assembly 1 of the clamping head column 6 is clamped and limited;Mounting plate 2 is fixedly installed on the shell, when installing surge protection locking controller 4, by directly clamping head column 6 on the back of surge protection locking controller 4 is inserted into the inside of installation plug-in box 3, the clamping head column 6 is inserted into sliding is guided and limited by guide sliding slot 7, clamping head column 6 is moved into the bottom of installation plug-in box 3, surge protection locking controller 4 is preliminarily limited, then by rotating the input end of pressing assembly 1, so that clamping head column 6 at the bottom of installation plug-in box 3 is stably clamped by pressing assembly 1, so as to limit and lock surge protection locking controller 4, complete the quick fixed installation of surge protection locking controller 4, by reversing the input end of pressing assembly 1, the clamping and limiting of pressing assembly 1 to clamping head column 6 can be released, by directly pulling surge protection locking controller 4, so that clamping head column 6 is detached from the inside of installation plug-in box 3, surge protection locking controller 4 can be conveniently disassembled, the operation of repeatedly assembling and disassembling multiple screws is saved, effectively simplify the assembly and disassembly operation of surge protection locking controller 4, improve the assembly and disassembly efficiency of surge protection locking controller 4, it is convenient to overhaul and maintain surge protection locking controller 4, improve the maintenance convenience and maintenance efficiency of surge protection locking controller 4.

[0025] Further as Figure 1 、 Figure 2 、 Figure 5 And Figure 6 It is worth noting that the pressing assembly 1 includes a nut sleeve 102 fixed to the side wall of the installation plug-in box 3, a threaded rod 101 threadedly connected in the nut sleeve 102, an arc-shaped clamp plate 103 connected to the inner side end of the threaded rod 101, a support rod 108 fixed to the inner side wall of the installation plug-in box 3, and a stop plate 107 fixed to the end of the support rod 108 and clamped with the arc-shaped clamp plate 103. When installing the surge protection locking controller 4, the clamping head column 6 on the back of the surge protection locking controller 4 is directly inserted into the inside of the installation plug-in box 3, the clamping head column 6 is guided and limited by the guide sliding slot 7, the clamping head column 6 is moved into the bottom of the installation plug-in box 3, the surge protection locking controller 4 is preliminarily limited, then the threaded rod 101 is rotated, the arc-shaped clamp plate 103 is moved towards the stop plate 107 by the threaded rod 101, the clamping head column 6 at the bottom of the installation plug-in box 3 is stably clamped by the arc-shaped clamp plate 103 and the stop plate 107, the surge protection locking controller 4 is limited and locked, and the quick fixed installation of the surge protection locking controller 4 is completed.

[0026] Further as Figure 5 illustrated, it is worth specifically pointing out that the threaded rod 101 is rotatably connected with the arc-shaped clamping plate 103, the side surface of the arc-shaped clamping plate 103 is fixed with a guide rod 109, the guide rod 109 is slidably penetrated through the side wall of the installation plug-in box 3; when the arc-shaped clamping plate 103 is moved and adjusted, the arc-shaped clamping plate 103 drives the guide rod 109 to move synchronously, thereby guiding and limiting the movement of the arc-shaped clamping plate 103 through the guide rod 109, avoiding the deflection of the arc-shaped clamping plate 103, and improving the smoothness of the movement and adjustment of the arc-shaped clamping plate 103.

[0027] The present scheme has the following working process: when installing the surge protection locking controller 4, the clamping head column 6 on the back of the surge protection locking controller 4 is directly clamped into the inside of the installation plug-in box 3, the clamping of the clamping head column 6 is guided and limited through the guide sliding groove 7, the clamping head column 6 is moved into the bottom of the installation plug-in box 3, the surge protection locking controller 4 is preliminarily limited, then the threaded rod 101 is rotated, the arc-shaped clamping plate 103 is moved towards the baffle 107 through the threaded rod 101, thereby the clamping head column 6 located at the bottom of the installation plug-in box 3 is stably clamped through the arc-shaped clamping plate 103 and the baffle 107, the surge protection locking controller 4 is limited and locked, the quick fixing and installation of the surge protection locking controller 4 is completed, the clamping and limiting of the clamping head column 6 by the arc-shaped clamping plate 103 can be released by reversely rotating the threaded rod 101, the clamping head column 6 is directly pulled up to make the clamping head column 6 out of the inside of the installation plug-in box 3, thereby the surge protection locking controller 4 can be conveniently disassembled.

[0028] Further as Figure 5 and Figure 6 illustrated, it is worth specifically pointing out that the side surface of the arc-shaped clamping plate 103 close to the baffle 107 is fixed with a rubber pad 104; in specific work, the rubber pad 104 effectively increases the friction of the arc-shaped clamping plate 103 to the clamping head column 6, and improves the clamping stability of the arc-shaped clamping plate 103 to the clamping head column 6.

[0029] Further as Figure 6 illustrated, it is worth specifically pointing out that the end of the threaded rod 101 away from the arc-shaped clamping plate 103 is fixed with a rotating head plate 105, the side surface of the rotating head plate 105 is provided with a plurality of annularly distributed convex rib strips 106; in specific work, the rotating head plate 105 facilitates the rotation of the threaded rod 101, and improves the operation convenience.

[0030] Further as Figure 1 illustrated, it is worth specifically pointing out that the four corners of the installation plate 2 are provided with screw holes 5; in specific work, screws are installed in the screw holes 5, thereby the installation plate 2 is fixedly installed on the cabinet.

[0031] In summary: through the pressing assembly 1, the clamping column 6 at the bottom of the installation box 3 is firmly clamped, thereby limiting and locking the surge protection locking controller 4, completing the quick fixing and installation of the surge protection locking controller 4. By rotating the input end of the pressing assembly 1 in the opposite direction, the clamping and limiting of the pressing assembly 1 on the clamping column 6 can be released. By directly pulling up the surge protection locking controller 4, the clamping column 6 can be pulled out from the inside of the installation box 3, and the surge protection locking controller 4 can be conveniently disassembled. The operation of repeatedly assembling and disassembling multiple screws is omitted, the assembly and disassembly operation of the surge protection locking controller 4 is effectively simplified, the assembly and disassembly efficiency of the surge protection locking controller 4 is improved, the surge protection locking controller 4 is conveniently maintained and repaired, and the maintenance convenience and efficiency of the surge protection locking controller 4 are improved.

Claims

1. An automatic locking device for surge, comprising a mounting plate and a surge protection locking controller, characterized in that, The side of the mounting plate is fixed with a mounting plug box, the side of the mounting plug box is provided with a guide sliding groove, the top end of the guide sliding groove is provided with an opening, the back of the surge protection locking controller is fixed with a clamping head column which can be inserted into the mounting plug box and matched with the guide sliding groove, and the mounting plug box is provided with a pressing assembly which clamps and limits the clamping head column.

2. The automatic locking device for a surge according to claim 1, wherein The pressing assembly comprises a nut sleeve fixed to the side wall of the mounting plug box, and a threaded rod is threadedly connected into the nut sleeve.

3. The automatic locking device for a surge according to claim 2, wherein The threaded rod is rotationally connected with the arc-shaped clamping plate, the side of the arc-shaped clamping plate is fixed with a guide rod, and the guide rod is slidingly penetrated through the side wall of the mounting plug box.

4. The automatic locking device for a surge according to claim 2, wherein The inner side wall of the mounting plug box is fixed with a support rod, and the end of the support rod is fixed with a baffle which is clamped with the arc-shaped clamping plate.

5. The automatic locking device for a surge according to claim 4, wherein The side of the arc-shaped clamping plate close to the baffle is fixed with a rubber pad.

6. The automatic locking device for a surge according to claim 3, wherein The end of the threaded rod away from the arc-shaped clamping plate is fixed with a rotating head plate, and the side of the rotating head plate is provided with a plurality of annularly distributed convex ribs.

7. The automatic locking device for surge use according to claim 1, wherein The four corners of the mounting plate are provided with screw holes.