CN218385099U

CN218385099U - Built-in drop switch

Info

Publication number: CN218385099U
Application number: CN202222367091.5U
Authority: CN
Inventors: 柯俊; 郭芷瑄; 周仁益; 陈羽; 王晓东; 陈繁星
Original assignee: Ppst Shanghai Co ltd
Current assignee: Ppst Shanghai Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-01-24
Anticipated expiration: 2032-09-07

Abstract

The utility model belongs to the technical field of the drop switch, specifically be a built-in drop switch, include: the insulating cylinder is hollow and has an opening shape at the upper end and the lower end; an upper conductive column is screwed at an opening at the upper side of the insulating cylinder body, a wiring board is arranged on the upper conductive column, and the bottom of the upper conductive column extends downwards from left to right to form an elastic conductive clamping plate; the utility model discloses an insulating cylinder, including insulating cylinder, bottom plate, insulating falling pipe, bottom plate insulating cylinder's downside opening part can be dismantled and be connected with the bottom plate, the inside hollow insulating falling pipe that is provided with of bottom plate insulating cylinder, insulating falling pipe runs through the bottom plate and extends to the downside of insulating cylinder, the top both sides of insulating falling pipe all are provided with the electrically conductive expansion board. The insulating drop tube is arranged in the insulating cylinder body, so that the insulating drop tube is protected, the corrosion of the external severe environment is prevented, and the service life is ensured; the fuse wire is transferred and conducted by contacting the conductive expansion plate at the top end of the insulating drop tube through the elastic conductive clamping plate.

Description

Built-in drop switch

Technical Field

The utility model relates to a drop switch technical field specifically is a built-in drop switch.

Background

The drop-out switch is a short-circuit protection switch. The device has the characteristics of economy, convenient operation, strong adaptability to outdoor environment and the like, and is widely applied to one side of a 10kV/12kV distribution line and a distribution transformer for protection and equipment throwing and cutting operation.

The blade part of the existing drop switch is usually arranged at the outer side edge of an outer insulator, when the drop switch is switched off, the blade part can directly fall off in a side-tipping mode, but the blade part is exposed outside and is easily corroded by the environment after being used for a long time, so that the service life of the drop switch is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a built-in drop switch to the knife switch part of the current drop switch who proposes in solving above-mentioned background art sets up the outside side of outer insulator usually, when separating brake, can directly heeling and fall, nevertheless, exposes externally, receives the erosion of environment and influences life's problem after long-time the use easily.

In order to achieve the above object, the utility model provides a following technical scheme: a built-in drop switch comprising:

the insulating cylinder is hollow and has an opening shape at the upper end and the lower end;

an upper conductive column is screwed at an opening at the upper side of the insulating cylinder body, a wiring board is arranged on the upper conductive column, and the bottom of the upper conductive column extends downwards from left to right to form an elastic conductive clamping plate;

the utility model discloses a fuse, including insulating barrel, bottom plate insulating barrel, insulating fall pipe, bottom plate and bottom plate, the downside that the insulating fall pipe runs through the bottom plate and extends to insulating barrel, the top both sides of insulating fall pipe all are provided with electrically conductive expansion plate, are provided with electrically conductive guide ball between two electrically conductive expansion plates, the bottom of guide ball is passed through the spring and is connected with the top of insulating fall pipe, the bottom of guide ball is connected with the fuse, the lateral wall bottom of insulating fall pipe is provided with the lower wiring post, the bottom of fuse is worn out and is connected with the lower wiring post from the lateral wall bottom of insulating fall pipe.

Furthermore, the bottom end of the elastic conductive clamping plate is arranged to be in a shape of a circular arc hook, and the bottom ends of the elastic conductive clamping plates on the two sides are close to each other.

Further, the lateral wall bottom of insulating drop pipe is provided with the power transmission and pushes away the handle, power transmission pushes away the handle, the terminal post sets up on the relative lateral wall of insulating drop pipe down.

Furthermore, the upper end of the outer wall of the insulating falling pipe is provided with a limiting check ring.

Furthermore, a hoop is arranged on the outer wall of the insulating cylinder, and a mounting plate is fixedly connected to the outer wall of the hoop.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The insulating drop tube is arranged in the insulating cylinder body, so that the insulating drop tube is protected, the corrosion of the external severe environment is prevented, and the service life is ensured;

2) The fuse wire is transferred and conducted by contacting the conductive expansion plate at the top end of the insulating drop tube through the elastic conductive clamping plate.

Drawings

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

fig. 2 is a schematic view of the internal structure of the insulating cylinder of the present invention;

fig. 3 is a schematic structural view of the upper side inside the insulating cylinder of the present invention.

In the figure: the device comprises an insulating cylinder body 1, a hoop 2, a mounting plate 3, a conductive column 4, a wiring board 5, an elastic conductive clamping plate 6, a bottom plate 7, an insulating drop tube 8, a power transmission push handle 9, a conductive expansion plate 10, a guide ball 11, a spring 12, a fuse wire 13, a limit check ring 14 and a wiring column 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a built-in drop switch comprising:

the insulation cylinder body 1 is hollow, and the upper end and the lower end of the insulation cylinder body 1 are open;

an upper conductive column 4 is screwed at an opening at the upper side of the insulating cylinder 1, a wiring board 5 is arranged on the upper conductive column 4, and the left side and the right side of the bottom of the upper conductive column 4 extend downwards to form an elastic conductive clamping plate 6;

the downside opening part of insulating cylinder 1 can be dismantled and be connected with

bottom plate

7, 1 inside hollow insulating fall pipe 8 that falls that is provided with of insulating cylinder of bottom plate 7, insulating fall pipe 8 runs through bottom plate 7 and extends to insulating cylinder 1's downside, the top both sides of insulating fall pipe 8 all are provided with electrically conductive expansion plate 10, are provided with electrically conductive guide ball 11 between two electrically conductive expansion plate 10, spring 12 is passed through to guide ball 11's bottom and the top of insulating fall pipe 8 is connected, guide ball 11's bottom is connected with fuse 13, the lateral wall bottom of insulating fall pipe 8 is provided with down terminal 15, the bottom of fuse 13 is worn out and is connected with terminal 15 down from insulating fall pipe 8's lateral wall bottom.

Preferably, the bottom ends of the elastic conductive clamping plates 6 are arranged to be arc-shaped hook-shaped, and the bottom ends of the elastic conductive clamping plates 6 on the two sides are close to each other. As shown in fig. 3, the elastic conductive clamping plates 6 can elastically deform towards both sides, so that the conductive expansion plates 10 can be inserted between the elastic conductive clamping plates 6 on both sides, the outer wall of the conductive expansion plate 10 is set to be inclined, the conductive expansion plate 10 is placed between the elastic conductive clamping plates 6 on both sides, and the guide balls 11 separate the conductive expansion plates 10 on both sides under the tensioning action of the springs 12 and cannot fall off by themselves.

Preferably, the bottom end of the side wall of the insulation drop tube 8 is provided with a power transmission push handle 9, and the power transmission push handle 9 and the lower connecting post 15 are arranged on the opposite side wall of the insulation drop tube 8. The power transmission push handle 9 is provided with an annular structure, so that the insulation drop pipe 8 can be conveniently pushed up from the lower side.

Preferably, the upper end of the outer wall of the insulation drop tube 8 is provided with a limit stop ring 14. Through the setting of spacing retaining ring 14, prevent that insulating drop tube 8 from dropping from insulating barrel 1.

Preferably, a hoop 2 is arranged on the outer wall of the insulating cylinder 1, and a mounting plate 3 is fixedly connected to the outer wall of the hoop 2. The mounting plate 3 is used for mounting the whole.

The working principle is as follows: when the fuse wire device is used, two wiring terminals needing on-off control are respectively connected with the lower wiring column 15 and the wiring board 5, the fuse wire 13 penetrates through the insulating drop tube 8, the upper end of the fuse wire is connected with the guide ball 11, the guide ball 11 is pulled down to open the conductive expansion plates 10 on the two sides, and the lower end of the fuse wire is connected with the lower wiring column 15.

During closing, the lower side pushes up the power transmission push handle 9 through the insulating rod, so that the insulating drop tube 8 is pushed up, the two conductive expansion plates 10 push the elastic conductive clamping plates 6 on the two sides away and separate towards the two sides until the conductive expansion plates 10 are located between the elastic conductive clamping plates 6 on the two sides, the elastic conductive clamping plates 6 on the two sides retract to clamp the conductive expansion plates 10 and the guide balls 11 in the inner side, at the moment, the insulating drop tube 8 cannot drop, and the fuse wire 13 passes through the guide balls 11, the conductive expansion plates 10 and the elastic conductive clamping plates 6, the upper conductive columns 4 and the wiring board 5 to be in contact conduction and then to be closed.

When the fuse wire 13 is fused, the guide ball 11 rises under the elastic force of the spring 12, the conductive expansion plates 10 on the two sides are folded, the conductive expansion plates 10 are not clamped by the elastic conductive clamping plate 6, and under the action of gravity, the insulating drop tube 8, the conductive expansion plates 11 and the fuse wire 13 fall down and are switched off.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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

Claims

1. A built-in drop switch, comprising:

the insulation cylinder body (1), the insulation cylinder body (1) is hollow and has an opening shape at the upper end and the lower end;

an upper conductive column (4) is screwed at an opening at the upper side of the insulating cylinder body (1), a wiring board (5) is arranged on the upper conductive column (4), and the left side and the right side of the bottom of the upper conductive column (4) extend downwards to form an elastic conductive clamping plate (6);

the utility model discloses a fuse-wire-free insulation barrel, including insulating barrel (1), bottom plate (7), insulating barrel (1), bottom plate (7) inside be provided with hollow insulating fall pipe (8), insulating fall pipe (8) run through bottom plate (7) and extend to the downside of insulating barrel (1), the top both sides of insulating fall pipe (8) all are provided with electrically conductive expansion plate (10), are provided with electrically conductive direction ball (11) between two electrically conductive expansion plate (10), the bottom of direction ball (11) is passed through spring (12) and is connected with the top of insulating fall pipe (8), the bottom of direction ball (11) is connected with fuse-wire (13), the lateral wall bottom of insulating fall pipe (8) is provided with down terminal (15), the bottom of fuse-wire (13) is worn out and is connected with down terminal (15) from the lateral wall bottom of insulating fall pipe (8).

2. A built-in drop switch according to claim 1, characterized in that: the bottom ends of the elastic conductive clamping plates (6) are arranged into a circular arc hook shape, and the bottom ends of the elastic conductive clamping plates (6) on the two sides are close to each other.

3. A built-in drop switch according to claim 1, characterized in that: the side wall bottom of insulating drop pipe (8) is provided with power transmission push handle (9), lower binding post (15) set up on the relative lateral wall of insulating drop pipe (8).

4. A built-in drop switch according to claim 1, characterized in that: and a limiting retainer ring (14) is arranged at the upper end of the outer wall of the insulating drop tube (8).

5. A built-in drop switch according to claim 1, characterized in that: the outer wall of the insulating cylinder body (1) is provided with a hoop (2), and the outer wall of the hoop (2) is fixedly connected with a mounting plate (3).