CN220985324U

CN220985324U - Overvoltage protection device

Info

Publication number: CN220985324U
Application number: CN202323032000.3U
Authority: CN
Inventors: 徐勇; 李俊; 刘振友
Original assignee: Hefei Ousa Tianhai Electrical Technology Co ltd
Current assignee: Hefei Ousa Tianhai Electrical Technology Co ltd
Priority date: 2023-11-09
Filing date: 2023-11-09
Publication date: 2024-05-17
Anticipated expiration: 2033-11-09

Abstract

The utility model belongs to the technical field of electrical equipment, and particularly discloses an overvoltage protection device which comprises a mounting seat and a casing, wherein an overvoltage protector is arranged on the casing, slots and connecting plates are symmetrically arranged on the side edges of the casing, a sliding groove is formed in the mounting seat, a bidirectional screw is arranged in the sliding groove, a threaded slider is symmetrically connected with the bidirectional screw in a threaded manner, a supporting plate is arranged on the threaded slider, a clamping plate is arranged at the end part of the supporting plate, a plug rod is arranged on the clamping plate, and a limiting groove is formed in the clamping plate; a pull plate is arranged above the connecting plate, a pull rod is arranged on the pull plate, the pull rod penetrates through the connecting plate and is connected with an inserting plate, the inserting plate is inserted into the limiting clamping plate in the limiting groove, and a spring is sleeved outside the pull rod; the draw rod is pulled upwards to draw the plugboard out of the limiting groove, then the bidirectional screw rod can be rotated, the bidirectional screw rod is utilized to drive the threaded sliding block to move, the threaded sliding block is limited by the sliding groove, the threaded sliding block is utilized to drive the clamping plate to be far away from the shell, and the fixation of the shell can be canceled.

Description

Overvoltage protection device

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to an overvoltage protection device.

Background

The overvoltage protector is also called surge protector, is used for various communication systems to protect various lightning currents, operation overvoltage and the like, is advanced protection equipment, and is mainly used for protecting the insulation of electric equipment such as a generator, a transformer, a vacuum switch, a bus, a motor and the like and avoiding the damage of overvoltage.

The existing overvoltage protection device is generally installed on electrical equipment by using a large number of bolts, however, after the overvoltage protection device is used for a certain period of time, the overvoltage protection device needs to be removed and then maintained, but because the overvoltage protection device is installed and fixed by using a large number of bolts, when the overvoltage protection device is maintained each time, workers need to use tools to remove a large number of bolts to cancel the fixation of the overvoltage protection device, and the risk of slipping of the bolts is possibly caused by repeated screwing of the bolts, so that normal maintenance work can be influenced once slipping occurs.

Disclosure of utility model

The present utility model is directed to an overvoltage protection device, which solves the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the overvoltage protection device comprises a mounting seat and a machine shell, wherein an overvoltage protector is arranged on the machine shell, a slot and a connecting plate are symmetrically arranged on the side edge of the machine shell, the connecting plate is positioned above the slot, the machine shell is arranged above the mounting seat, a sliding groove is formed in the mounting seat, a bidirectional screw is arranged in the sliding groove, one end of the bidirectional screw is rotationally connected to the mounting seat, the other end of the bidirectional screw penetrates through the mounting seat and is connected with a knob, a thread slider is symmetrically and threadedly connected to the bidirectional screw, the thread slider is slidably connected to the sliding groove, a supporting plate is arranged on the thread slider, a clamping plate is arranged at the end part of the supporting plate, an inserting rod is arranged on the clamping plate and is inserted into the slot to fix the machine shell, and a limiting groove is formed in the clamping plate; a pull plate is arranged above the connecting plate, a pull rod is arranged on the pull plate, the pull rod penetrates through the connecting plate and is connected with a plugboard, the cross section of the plugboard is L-shaped, the plugboard is inserted into a limiting clamping plate in a limiting groove, a spring is sleeved outside the pull rod, and two ends of the spring are respectively connected to the plugboard and the connecting plate; the draw rod is pulled upwards to draw the plugboard out of the limiting groove, then the bidirectional screw rod can be rotated, the bidirectional screw rod is utilized to drive the threaded sliding block to move, the threaded sliding block is limited by the sliding groove, the threaded sliding block is utilized to drive the clamping plate to be far away from the shell, and the fixation of the shell can be canceled.

Preferably, the mounting seat is provided with a limiting block on the side edge of the casing, and the limiting block is used for limiting the position of the casing on the mounting seat.

Preferably, the pull plate is provided with a pull ring, and the pull ring can facilitate a worker to pull the plugboard.

Preferably, the side of the mounting seat is provided with a mounting block, the mounting block is provided with a mounting hole, and the mounting hole is used for being matched with a bolt to fix the mounting seat on the electrical equipment.

Preferably, the side edge of the clamping plate is provided with a bevel edge, the bevel edge is used for contacting with the plugboard in the process of clamping the shell, so that the plugboard can be automatically jacked upwards without pulling the pulling plate by a worker.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the plugboard can be pulled out of the limiting groove by pulling the pulling plate, then the bidirectional screw rod is reversely rotated, and the bidirectional screw rod is utilized to drive the threaded sliding block to move, so that the threaded sliding block drives the clamping plate to be far away from the shell through the supporting plate, the fixation of the overvoltage protector is canceled, and then the overvoltage protector can be directly detached from the mounting seat, so that the installation and the detachment are very convenient, and the installation and the detachment can be realized without using tools.

Through placing the casing on the mount pad, then reverse rotation bidirectional screw rod utilizes the screw thread slider to drive splint and is close to and centre gripping casing, presss from both sides tightly the back, utilizes picture peg restriction splint to it is fixed with national electric protector, easy operation has improved the practicality of this device.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the internal structure of the mounting base of the present utility model;

Fig. 3 is an enlarged view of the portion a of fig. 2 according to the present utility model.

In the figure: 1. a mounting base; 2. a housing; 3. an overvoltage protector; 4. a chute; 5. a bidirectional screw; 6. a knob; 7. a thread slider; 8. a support plate; 9. a clamping plate; 10. a slot; 11. a rod; 12. a connecting plate; 13. pulling a plate; 14. a pull rod; 15. a spring; 16. inserting plate; 17. a limiting groove; 18. a beveled edge; 19. a mounting block; 20. a limiting block; 21. and (5) a pull ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-3, the present utility model provides a technical solution: the overvoltage protection device comprises a mounting seat 1 and a machine shell 2, wherein an overvoltage protector 3 is arranged on the machine shell 2, a slot 10 and a connecting plate 12 are symmetrically arranged on the side edge of the machine shell 2, the connecting plate 12 is positioned above the slot 10, the machine shell 2 is arranged above the mounting seat 1, a chute 4 is formed in the mounting seat 1, a bidirectional screw 5 is arranged in the chute 4, one end of the bidirectional screw 5 is rotationally connected to the mounting seat 1, the other end of the bidirectional screw 5 passes through the mounting seat 1 and is connected with a knob 6, a thread slider 7 is symmetrically and threadedly connected to the bidirectional screw 5, the thread slider 7 is slidably connected to the chute 4, a supporting plate 8 is arranged on the thread slider 7, a clamping plate 9 is arranged at the end part of the supporting plate 8, a plug rod 11 is arranged on the clamping plate 9, the plug rod 11 is inserted into the slot 10 to fix the machine shell 2, and a limiting groove 17 is formed in the clamping plate 9; a pull plate 13 is arranged above the connecting plate 12, a pull rod 14 is arranged on the pull plate 13, the pull rod 14 passes through the connecting plate 12 and is connected with a plugboard 16, the cross section of the plugboard 16 is L-shaped, the plugboard 16 is inserted into a limiting groove 17 to limit the clamping plate 9, a spring 15 is sleeved outside the pull rod 14, and two ends of the spring 15 are respectively connected to the plugboard 16 and the connecting plate 12; by pulling the pull rod 14 upwards, the plugboard 16 is pulled out of the limiting groove 17, then the bidirectional screw 5 can be rotated, the bidirectional screw 5 is utilized to drive the thread slide block 7 to move, the slide groove 4 is utilized to limit the thread slide block 7, the clamping plate 9 is driven by the thread slide block 7 to be far away from the machine shell 2, and the fixation of the machine shell 2 can be canceled.

Further, a limiting block 20 is disposed on the side of the housing 2 on the mounting base 1, and the limiting block 20 is used for limiting the position of the housing 2 on the mounting base 1.

Further, the pull plate 13 is provided with a pull ring 21, and the pull ring 21 can facilitate a worker to pull the insert plate 16.

Further, the side of the mounting seat 1 is provided with a mounting block 19, the mounting block 19 is provided with a mounting hole, and the mounting hole is used for being matched with a bolt to fix the mounting seat 1 on the electrical equipment.

Further, the side edge of the clamping plate 9 is provided with a bevel edge 18, and the bevel edge 18 is used for contacting with the plugboard 16 in the process of clamping the casing 2, so that the plugboard 16 can be automatically jacked upwards without pulling the pulling plate 13 by a worker.

Working principle: when the overvoltage protector 3 needs to be maintained, the pull ring 21 needs to be pulled firstly, the pull ring 21 drives the pull plate 13 to move upwards, the pull plate 13 drives the plug plate 16 to move upwards through the pull rod 14, the plug plate 16 extrudes the spring 15, the spring 15 deforms and contracts, after the plug plate 16 withdraws from the limiting groove 17 on the clamping plate 9, the knob 6 can be rotated, the bidirectional screw 5 drives the threaded slider 7 to move sideways, the threaded slider 7 drives the clamping plate 9 to be away from the shell 2 through the supporting plate 8, after the plug rod 11 on the clamping plate 9 withdraws from the slot 10, the fixation of the overvoltage protector 3 can be canceled, then the overvoltage protector 3 can be directly detached from the mounting seat 1, and the overvoltage protector is very convenient, and can be installed and detached without using tools.

During installation, the shell 2 is only required to be placed at the limiting block 20 on the installation seat 1, the limiting block 20 is used for limiting the shell 2, then the bidirectional screw 5 is reversely rotated, the bidirectional screw 5 drives the threaded sliding blocks 7 to be close to each other, the threaded sliding blocks 7 drive the clamping plates 9 to be close to the shell 2 through the supporting plates 8, in the process, when the bevel edges 18 on the supporting plates 8 contact the inserting plates 16, the inserting plates 16 are pushed upwards, the inserting plates 16 are enabled to squeeze the springs 15, when the inserting rods 11 on the clamping plates 9 are inserted into the inserting grooves 10 on the shell 2 and after the clamping plates 9 clamp the shell 2, the inserting plates 16 move to the positions of the limiting grooves 17, at the moment, the springs 15 rebound the inserting plates 16 due to the fact that no pressure exists, the inserting plates 16 are inserted into the limiting grooves 17, and the clamping plates 9 are limited, so that the overvoltage protector 3 is fixed, and the operation is simple, and the practicability of the device is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An overvoltage protection device, characterized in that: the device comprises a mounting seat (1) and a casing (2), wherein an overvoltage protector (3) is arranged on the casing (2), a slot (10) and a connecting plate (12) are symmetrically arranged on the side edge of the casing (2), the connecting plate (12) is positioned above the slot (10), the casing (2) is arranged above the mounting seat (1), a chute (4) is formed in the mounting seat (1), a bidirectional screw (5) is arranged in the chute (4), one end of the bidirectional screw (5) is rotationally connected to the mounting seat (1), the other end of the bidirectional screw (5) penetrates through the mounting seat (1) and is connected with a knob (6), a thread slider (7) is symmetrically connected to the bidirectional screw (5) in a threaded manner, a supporting plate (8) is arranged on the thread slider (7), a clamping plate (9) is arranged at the end part of the supporting plate (8), a plug rod (11) is inserted into the slot (10) to fix the casing (2), and a limiting groove (17) is formed in the clamping plate (9); a pull plate (13) is arranged above the connecting plate (12), a pull rod (14) is arranged on the pull plate (13), the pull rod (14) penetrates through the connecting plate (12) and is connected with a plugboard (16), the cross section of the plugboard (16) is L-shaped, the plugboard (16) is inserted into a limiting groove (17) to limit the clamping plate (9), a spring (15) is sleeved outside the pull rod (14), and two ends of the spring (15) are respectively connected to the plugboard (16) and the connecting plate (12).

2. An overvoltage protection device according to claim 1, wherein: the side of the mounting seat (1) on the machine shell (2) is provided with a limiting block (20).

3. An overvoltage protection device according to claim 1, wherein: the pull plate (13) is provided with a pull ring (21).

4. An overvoltage protection device according to claim 1, wherein: the side of the mounting seat (1) is provided with a mounting block (19).

5. An overvoltage protection device according to claim 1, wherein: the side edge of the clamping plate (9) is provided with a bevel edge (18).