CN111934124A

CN111934124A - Plug-in surge protector

Info

Publication number: CN111934124A
Application number: CN202010728913.0A
Authority: CN
Inventors: 王震林
Original assignee: Yangzhou Surge Electric Co Ltd
Current assignee: Yangzhou Surge Electric Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2020-11-13

Abstract

The invention belongs to the technical field of protector equipment, and particularly relates to a plug-in surge protector which comprises an installation shell and a surge protector main body, wherein the surfaces of two sides of the surge protector main body are fixedly connected with connecting plates, the surface of the upper end of the installation shell is provided with a T-shaped groove, a through hole is formed in the connecting plates, the inner wall of the through hole is connected with an extrusion plate in a sliding manner, the lower end of the extrusion plate is fixedly connected with a connecting block, the inner wall of the through hole is fixedly provided with a hollow inserted bar, the surface of one side of the connecting block is provided with an arc-shaped groove, the side wall of the hollow inserted bar is provided with a steel ball. According to the surge protector, the mounting shell can be rapidly disassembled from the surge protector main body through the T-shaped groove, the hollow inserted bar and the steel balls, so that later-stage maintenance operation is facilitated, the whole maintenance can be completed better, and normal use of equipment is accelerated.

Description

Plug-in surge protector

Technical Field

The invention relates to the technical field of protector equipment, in particular to a plug-in surge protector.

Background

The surge protector, also called lightning protector, is an electronic device for providing safety protection for various electronic equipment, instruments and meters and communication lines, and when peak current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector can conduct and shunt in a very short time, thereby avoiding damage of surge to other equipment in the loop.

However, the existing surge protector has the following problems:

1. when the existing surge protector is used and needs to be overhauled when the surge protector is damaged, the targeted overhaul is difficult to carry out due to the integrated design, so that the overhaul operation is difficult, and the equipment is difficult to put into use at the first time;

2. in the existing surge protector, a connector lug part is fastened by adopting screws, and the screws have conductivity, so that electric injury is easily caused under the condition of accidental touch, and the use safety of equipment is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a plug-in surge protector, which solves the problems that the existing surge protector is difficult to carry out targeted maintenance and has low safety due to the integrated design.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a plug-in surge protector comprises an installation shell and a surge protector body, wherein connecting plates are fixedly connected to the surfaces of the two sides of the surge protector body, a T-shaped groove is formed in the upper end surface of the installation shell, a through hole is formed in the connecting plates, an extrusion plate is connected to the inner wall of the through hole in a sliding mode, a connecting block is fixedly connected to the lower end of the extrusion plate, a hollow insertion rod is fixedly installed on the inner wall of the through hole, an arc-shaped groove is formed in one side surface of the connecting block, steel balls are installed on the side wall of the hollow insertion rod, a clamping groove is formed in the inner side wall of the T-shaped groove, a telescopic rod is fixedly connected to the lower end of the connecting block, a spring is sleeved on the outer surface of the telescopic rod, an installation groove is formed in, two fixedly connected with insulating shielding plate between the sliding block, one side fixed surface of insulating shielding plate is connected with the piston inserted block, the slot has been seted up to the inside wall of sliding tray.

As a preferred technical solution of the present invention, a fastening screw is threadedly connected to a surface of the mounting groove, a concave groove is formed in the mounting housing, a first electrical contact is fixedly connected to a lower end of the surge protector body, and a second electrical contact is fixedly connected to an inner bottom wall of the concave groove.

As a preferable technical scheme of the invention, one end of the spring is fixedly connected with the lower end surface of the connecting block, and the other end of the spring is fixedly connected with the inner bottom wall of the hollow inserted rod.

As a preferred technical scheme of the invention, the opening sizes of the clamping groove and the arc-shaped groove are matched with the design size of the steel ball, and the first electrical contact is connected with the second electrical contact in an abutting mode.

As a preferred technical scheme of the invention, the piston insertion block is inserted into the inner wall of the slot, and the opening size of the slot is matched with the design size of the piston insertion block.

According to a preferable technical scheme of the invention, the connecting plates, the connecting blocks and the hollow insertion rods are all inserted into the inner wall of the T-shaped groove, and one end of the telescopic rod is fixedly connected with the inner bottom wall of the hollow insertion rod.

(III) advantageous effects

Compared with the prior art, the invention provides a plug-in surge protector which has the following beneficial effects:

1. this plug-in surge protector through T type groove, hollow inserted bar and steel ball for the installation casing can be fast torn open the group with the surge protector main part, thereby made things convenient for the maintenance operation in later stage, let the completion that whole maintenance can be better, thereby accelerated the normal use of coming into operation of equipment.

2. This plug-in surge protector through mounting groove, sliding block and insulating shielding plate for fastening screw is fixing the back to the circuit line, can obtain better isolated purpose, has avoided touching fastening screw to lead to electrocuteeing, has improved the safety in utilization of equipment.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side cross-sectional view of the structure of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is a schematic view of a partial connection structure of the mounting case and the insulating shielding plate according to the present invention.

In the figure: 1. installing a shell; 2. a surge protector body; 3. a connector tile; 4. a T-shaped groove; 5. a through hole; 6. a pressing plate; 7. connecting blocks; 8. a hollow inserted link; 9. an arc-shaped slot; 10. steel balls; 11. a card slot; 12. a telescopic rod; 13. a spring; 14. mounting grooves; 15. a sliding groove; 16. a slider; 17. an insulating shielding plate; 18. a piston insert; 19. a slot; 20. fastening screws; 21. a concave groove; 22. a first electrical contact; 23. a second electrical contact.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: a plug-in surge protector comprises an installation shell 1 and a surge protector body 2, wherein the surfaces of two sides of the surge protector body 2 are fixedly connected with connecting plates 3, the upper end surface of the installation shell 1 is provided with a T-shaped groove 4, the interior of each connecting plate 3 is provided with a through hole 5, the inner wall of each through hole 5 is slidably connected with an extrusion plate 6, the lower end of each extrusion plate 6 is fixedly connected with a connecting block 7, the inner wall of each through hole 5 is fixedly provided with a hollow inserted bar 8, one side surface of each connecting block 7 is provided with an arc-shaped groove 9, the side wall of each hollow inserted bar 8 is provided with a steel ball 10, the inner side wall of each T-shaped groove 4 is provided with a clamping groove 11, the lower end of each connecting block 7 is fixedly connected with a telescopic rod 12, the outer surface of each telescopic rod 12 is sleeved with a, an insulating shielding plate 17 is fixedly connected between the two sliding blocks 16, a piston inserting block 18 is fixedly connected to the surface of one side of the insulating shielding plate 17, and a slot 19 is formed in the inner side wall of the sliding groove 15.

In this embodiment, when installation casing 1 and surge protector main part 2 need be installed, need extrude stripper plate 6 equally, let steel ball 10 be located the inner wall of arc wall 9, loosen stripper plate 6 again after having installed, stripper plate 6 this moment can rebound under the rebound effort of spring 13 and reset to extrude steel ball 10, let steel ball 10 get into the inner wall of draw-in groove 11, then accomplish the equipment.

Specifically, a fastening screw 20 is connected to the surface of the mounting groove 14 in a threaded manner, a concave groove 21 is formed in the mounting housing 1, a first electrical contact 22 is fixedly connected to the lower end of the surge protector body 2, and a second electrical contact 23 is fixedly connected to the inner bottom wall of the concave groove 21.

In this embodiment, after the first electrical contact 22 and the second electrical contact 23 collide with each other, the whole circuit is connected, so that the device can be used normally, and the circuit does not need to be cut after later detachment.

Specifically, one end of the spring 13 is fixedly connected with the lower end surface of the connecting block 7, and the other end of the spring 13 is fixedly connected with the inner bottom wall of the hollow inserted rod 8.

In this embodiment, the two ends of the spring 13 are respectively and fixedly connected with the lower end surface of the connecting block 7 and the inner bottom wall of the hollow plunger 8, so that the corresponding buffering capacity is provided while the connectivity is achieved.

Specifically, the size of the slot 11 and the arc-shaped slot 9 is matched with the design size of the steel ball 10, and the first electrical contact 22 is connected with the second electrical contact 23 in an abutting mode.

In this embodiment, when the clamping groove 11 and the arc-shaped groove 9 are formed, the clamping groove is formed in a matching manner according to the size of the steel ball 10, so that the steel ball 10 can fall into the clamping groove better.

Specifically, the piston insert 18 is inserted into an inner wall of the slot 19, and the opening size of the slot 19 is matched with the design size of the piston insert 18.

In this embodiment, when the slot 19 is opened, the slot needs to be adaptively opened according to the size of the piston insertion block 18, so that the piston insertion block 18 can be more stably inserted into the inner wall of the slot 19.

Specifically, the connecting plate 3, the connecting block 7 and the hollow insertion rod 8 are all inserted into the inner wall of the T-shaped groove 4, and one end of the telescopic rod 12 is fixedly connected with the inner bottom wall of the hollow insertion rod 8.

In this embodiment, the two ends of the telescopic rod 12 are respectively fixedly connected with the lower end surface of the connecting block 7 and the inner bottom wall of the hollow inserting rod 8, so that the connectivity is achieved, and the connecting block 7 can be guided in the vertical direction.

The working principle and the using process of the invention are as follows: when the plug-in surge protector is used and the interior is damaged, firstly the extrusion plate 6 is pressed, the extrusion plate 6 drives the connecting block 7 to slide on the inner wall of the hollow inserted bar 8, so that the expansion link 12 and the spring 13 are extruded to deform, when the arc-shaped groove 9 moves to be positioned on the same horizontal line with the steel ball 10, the surge protector main body 2 can be pulled, the steel ball 10 is not limited at the moment, the steel ball 10 can move under the extrusion of the clamping groove 11 and then falls into the inner wall of the arc-shaped groove 9, then the mounting shell 1 can be separated from the surge protector main body 2, the purpose of quick separation is achieved, wherein the steel ball 10 is positioned at the side wall of the hollow inserted bar 8 and can not fall off, and when the electric wire is connected, after the fastening screw 20 fixes the electric wire, the insulating shielding plate 17 slides under the matching of the sliding groove 15 and the sliding block 16, let the piston inserted block 18 insert the inner wall of slot 19 to let insulating shielding plate 17 shelter from fastening screw 20, avoid touching fastening screw 20 and produce the electric shock, be provided with first electrical contact 22 and second electrical contact 23 between installation casing 1 and surge protector main part 2 in addition, let installation casing 1 and surge protector main part 2 can be normal use, accomplish the unblocked purpose of circuit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plug-in surge protector, includes installation casing (1) and surge protector main part (2), its characterized in that: the surge protector comprises a surge protector body (2), connecting plates (3) are fixedly connected to the surfaces of the two sides of the surge protector body (2), a T-shaped groove (4) is formed in the upper end surface of an installation shell (1), a through hole (5) is formed in the connecting plate (3), an extrusion plate (6) is connected to the inner wall of the through hole (5) in a sliding mode, a connecting block (7) is fixedly connected to the lower end of the extrusion plate (6), a hollow insertion rod (8) is fixedly installed on the inner wall of the through hole (5), an arc-shaped groove (9) is formed in the surface of one side of the connecting block (7), steel balls (10) are installed on the side wall of the hollow insertion rod (8), a clamping groove (11) is formed in the inner side wall of the T-shaped groove (4), a telescopic rod (12) is fixedly connected to the lower end of the connecting block (7), sliding tray (15) have been seted up to the inner wall of mounting groove (14), the inner wall sliding connection of sliding tray (15) has sliding block (16), two insulating shielding plate (17) of fixedly connected with between sliding block (16), one side fixed surface of insulating shielding plate (17) is connected with piston inserted block (18), slot (19) have been seted up to the inside wall of sliding tray (15).

2. The pluggable surge protector according to claim 1, wherein: the surface thread of mounting groove (14) is connected with fastening screw (20), concave groove (21) have been seted up to the inside of installation casing (1), the first electrical contact (22) of lower extreme fixedly connected with of surge protector main part (2), interior diapire fixedly connected with second electrical contact (23) of concave groove (21).

3. The pluggable surge protector according to claim 1, wherein: one end of the spring (13) is fixedly connected with the lower end surface of the connecting block (7), and the other end of the spring (13) is fixedly connected with the inner bottom wall of the hollow inserted rod (8).

4. The pluggable surge protector according to claim 1, wherein: the size of the clamping groove (11) and the size of the arc-shaped groove (9) are matched with the design size of the steel ball (10), and the first electrical contact (22) is connected with the second electrical contact (23) in an abutting mode.

5. The pluggable surge protector according to claim 1, wherein: the piston insert block (18) is inserted into the inner wall of the slot (19), and the opening size of the slot (19) is matched with the design size of the piston insert block (18).

6. The pluggable surge protector according to claim 1, wherein: the connecting plates (3), the connecting blocks (7) and the hollow insertion rods (8) are all inserted into the inner wall of the T-shaped groove (4), and one end of each telescopic rod (12) is fixedly connected with the inner bottom wall of each hollow insertion rod (8).