CN113012964A

CN113012964A - Anticreeping device for electrical equipment

Info

Publication number: CN113012964A
Application number: CN202110223523.2A
Authority: CN
Inventors: 周智; 杨宜航; 杨保国; 韩世浩; 张志宏; 闫勤; 付敏; 刘振山
Original assignee: Qihe Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Qihe Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-06-22

Abstract

The invention discloses an anti-creeping device of electrical equipment, which comprises an anti-creeping protector, switching switches and a protective cover, wherein the switching switches are elastically and rotatably connected to the upper surface of the anti-creeping protector, the upper surface of the anti-creeping protector is fixedly connected with a fixed seat at the rear side of each switching switch through bolts, the upper surface of the fixed seat is fixedly connected with a fixed arm, the fixed arm is rotatably connected with the rear end of the protective cover through a rotating shaft which is fixedly connected, and the front end of the protective cover and the lower side of each switching switch are elastically connected with a first push arm which can push the switching switches to rotate towards the rear side. According to the invention, through the design of the protective cover, the rotary switch can be protected in a sealing manner, so that external dust is prevented from entering, and meanwhile, accidental opening and closing caused by external objects contacting the rotary switch can be prevented; the protection casing in this scheme both can open alone and close, also can drive single or a plurality of switch that turn on and close simultaneously when opening and closing, and the operation is more diversified.

Description

Anticreeping device for electrical equipment

Technical Field

The invention relates to the technical field of electric leakage protection, in particular to an electric leakage prevention device of electrical equipment.

Background

The leakage-proof device is a leakage protector, called leakage breaker for short, and is mainly used for protecting the electric shock of a person with fatal danger when equipment has leakage faults, has overload and short-circuit protection functions, can be used for protecting the overload and short circuit of a line or a motor, and can also be used for the infrequent switching and starting of the line under normal conditions.

There is great rotation gap between the rotary switch of anticreep device of traditional electrical equipment and the device, and the switch is direct when exposing outside, and outside dust glues easily and glues on the switch and gets into the inside influence switch of device through the gap easily and open and close and difficult clearance, and receives outside collision easily when the switch is direct exposes and leads to the switch accident to open and close.

Disclosure of Invention

Objects of the invention

The invention provides an anti-creeping device of electrical equipment, which aims to solve the problems that when a rotary switch of an anti-creeping device of the traditional electrical equipment is directly exposed outside, a larger rotary gap exists between the rotary switch and the device, external dust is easily adhered to the switch and easily enters the device through the gap to influence the opening and closing of the switch, the switch is not easy to clean, and the switch is easily accidentally opened and closed due to external collision when the switch is directly exposed.

(II) technical scheme

The invention provides an anti-creeping device of electrical equipment, which comprises an earth leakage protector, a switching switch and a protective cover, wherein the switching switch is elastically and rotatably connected to the upper surface of the earth leakage protector, the upper surface of the earth leakage protector is fixedly connected with a fixed seat at the rear side of the switching switch through a bolt, the upper surface of the fixed seat is fixedly connected with a fixed arm, the fixed arm is rotatably connected with the rear end of the protective cover through a fixedly connected rotating shaft, the front end of the protective cover and the lower side of each switching switch are elastically connected with a first push arm capable of pushing the switching switch to the rear side for rotation, and the front end of the protective cover and the lower side of each first push arm are elastically connected with a second push arm capable of pushing the switching switch to the rear side for rotation.

Preferably, the lower surface of the top end of the protective cover and the rear side of each rotary switch are fixedly connected with a third push arm capable of pushing the rotary switch forwards to rotate.

Preferably, the bottom of the front end of the protective cover is fixedly connected with a clamping pin, and the upper surface of the front end of the leakage protector is provided with a clamping groove matched with the clamping pin.

Preferably, both ends are all elastically connected with a card protruding around the card foot, the inner wall all seted up around the draw-in groove with card protruding assorted recess.

Preferably, every first push pedal of the equal fixedly connected with in front end of first push arm, every a pair of first guide bar of the equal symmetry fixedly connected with in rear surface of first push pedal, every the outer peripheral face of first guide bar all overlaps and is equipped with a first spring, just the front end of first spring and the fixed surface of first push pedal are connected, the rear end of first spring and the inner wall fixed connection of protection casing.

Preferably, it is a plurality of the front end that the second pushed arm has linked firmly a second push pedal jointly, a pair of second guide bar of the back surface symmetry fixedly connected with of second push pedal, every the outer peripheral face of second guide bar all overlaps and is equipped with a second spring, just the front end of second spring and the surface fixed connection of second push pedal, the rear end of second spring and the inner wall fixed connection of protection casing.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the design of the protective cover, the rotary switch can be protected in a sealing manner, so that external dust is prevented from entering, and meanwhile, accidental opening and closing caused by external objects contacting the rotary switch can be prevented; the protection casing in this scheme both can open alone and close, also can drive single or a plurality of switch that turn on and close simultaneously when opening and closing, and the operation is more diversified.

Drawings

Fig. 1 is a schematic front view of an anti-creeping device for an electrical apparatus according to the present invention;

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

fig. 3 is an enlarged view of the invention at a in fig. 2.

In the figure: the leakage protector comprises a leakage protector 1, a switching switch 2, a protective cover 3, a fixed seat 4, a fixed arm 5, a first push arm 6, a first push plate 7, a second push arm 8, a second push plate 9, a first spring 10, a first guide rod 11, a second spring 12, a second guide rod 13, a third push arm 14, a clamping pin 15, a clamping groove 16, a clamping protrusion 17 and a groove 18.

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.

As shown in fig. 1-3, the anti-creeping device for electrical equipment according to the present invention includes a leakage protector 1, a switch 2 elastically rotatably connected to an upper surface of the leakage protector 1, and a protection cover 3, wherein the upper surface of the leakage protector 1 and the rear side of the switch 2 are fixedly connected to a fixing base 4 through a bolt, the upper surface of the fixing base 4 is fixedly connected to a fixing arm 5, the fixing arm 5 is rotatably connected to the rear end of the protection cover 3 through a rotating shaft fixedly connected thereto, the front end of the protection cover 3 and the lower side of each switch 2 are elastically connected to a first push arm 6 capable of pushing the switch 2 to the rear side for rotation, and the front end of the protection cover 3 and the lower side of each first push arm 6 are elastically connected to a second push arm 8 capable of pushing the switch 2 to the rear side for rotation.

In an alternative embodiment, a third pushing arm 14 capable of pushing the switch 2 forward and rotating is fixedly connected to the lower surface of the top end of the protection cover 3 and located at the rear side of each switch 2.

In an alternative embodiment, a clamping pin 15 is fixedly connected to the bottom of the front end of the protective cover 3, and a clamping groove 16 matched with the clamping pin 15 is formed in the upper surface of the front end of the earth leakage protector 1.

In an optional embodiment, the front end and the rear end of the clamping leg 15 are both elastically connected with a clamping protrusion 17, and the front inner wall and the rear inner wall of the clamping groove 16 are both provided with a groove 18 matched with the clamping protrusion 17.

In an alternative embodiment, a first push plate 7 is fixedly connected to the front end of each first push arm 6, a pair of first guide rods 11 is symmetrically and fixedly connected to the rear surface of each first push plate 7, a first spring 10 is sleeved on the outer circumferential surface of each first guide rod 11, the front end of the first spring 10 is fixedly connected to the outer surface of the first push plate 7, and the rear end of the first spring 10 is fixedly connected to the inner wall of the shield 3.

In an alternative embodiment, the front ends of the second pushing arms 8 are fixedly connected to a second pushing plate 9, the rear surface of the second pushing plate 9 is symmetrically and fixedly connected to a pair of second guide rods 13, the outer circumferential surface of each second guide rod 13 is sleeved with a second spring 12, the front end of the second spring 12 is fixedly connected to the outer surface of the second pushing plate 9, and the rear end of the second spring 12 is fixedly connected to the inner wall of the protecting cover 3.

The working principle is as follows: the rotary switch of the anti-creeping device of the traditional electrical equipment has a large rotary gap with the device, when the switch is directly exposed outside, external dust is easily adhered to the switch and easily enters the device through the gap to influence the opening and closing of the switch and is not easy to clean, and when the switch is directly exposed, the switch is easily collided by the outside to cause the accidental opening and closing of the switch; the protective cover 3 in the scheme can be independently opened and closed, and can also drive one or more transfer switches 2 to be opened and closed simultaneously when the protective cover is opened and closed, so that the operation is more diversified;

specifically, when the protective cover 3 is opened alone, the front end of the protective cover 3 is lifted upwards only by slight force, so that the clamping pin 15 at the bottom of the front end of the protective cover 3 is separated from the clamping groove 16, and then the protective cover 3 can be opened by rotating alone;

when the single rotary switch 2 is driven to be opened and closed together, the first push plate 7 is pushed and pressed backwards only when the protective cover 3 is rotated, the first push arm 6 at the rear side of the first push plate 7 moves backwards to be attached to the lower surface of the rotary switch 2, then the protective cover 3 is rotated, the first push arm 6 can push the rotary switch 2 at the corresponding position to be rotated and started, and when the protective cover 3 is rotated forwards and closed, the third push arm 14 can push the rotary switch 2 forwards and close;

when driving a plurality of switch 2 and opening and close simultaneously, first spring 10 will push away arm 6 forward elasticity and pass this moment, first push away arm 6 can't contact with switch 2, only need push backward simultaneously when rotatory protection casing 3 and press second push pedal 9 this moment, second push pedal 9 can drive a plurality of second push arms 8 simultaneously and move backward to pasting with switch 2's lower surface mutually, then rotatory protection casing 3, a plurality of second push arms 8 can promote all switch 2 rotatory start simultaneously, when protection casing 3 rotatory closure forward, third push arm 14 can be closed switch 2 forward lapse.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An anti-leakage device of electrical equipment comprises a leakage protector (1) and a switch (2) which is elastically and rotatably connected with the upper surface of the leakage protector (1), it is characterized by also comprising a protective cover (3), wherein the upper surface of the leakage protector (1) is fixedly connected with a fixed seat (4) through a bolt at the rear side of the switch (2), the upper surface of the fixed seat (4) is fixedly connected with a fixed arm (5), the fixed arm (5) is rotatably connected with the rear end of the protective cover (3) through a rotating shaft which is fixedly connected, the front end of the protective cover (3) and the lower side of each transfer switch (2) are elastically connected with a first push arm (6) which can push the transfer switch (2) to the rear side for rotation, the front end of the protective cover (3) and the lower side of each first push arm (6) are elastically connected with a second push arm (8) capable of pushing the switch (2) to the rear side to rotate.

2. The device of claim 1, wherein a third pushing arm (14) capable of pushing the switch (2) forward and rotating is fixedly connected to the lower surface of the top end of the protective cover (3) and located at the rear side of each switch (2).

3. The device of claim 1, wherein a locking pin (15) is fixedly connected to the bottom of the front end of the protective cover (3), and a locking groove (16) matched with the locking pin (15) is formed on the upper surface of the front end of the leakage protector (1).

4. The device of claim 3, wherein the front and rear ends of the locking leg (15) are elastically connected with a locking protrusion (17), and the front and rear inner walls of the locking groove (16) are provided with a groove (18) matching with the locking protrusion (17).

5. The anti-creeping device of an electrical apparatus according to claim 1, wherein a first push plate (7) is fixedly connected to a front end of each first push arm (6), a pair of first guide rods (11) is symmetrically and fixedly connected to a rear surface of each first push plate (7), a first spring (10) is sleeved on an outer circumferential surface of each first guide rod (11), a front end of the first spring (10) is fixedly connected to an outer surface of the first push plate (7), and a rear end of the first spring (10) is fixedly connected to an inner wall of the protective cover (3).

6. The anti-creeping device of an electrical apparatus according to claim 1, wherein a second push plate (9) is fixedly connected to the front ends of the second push arms (8), a pair of second guide rods (13) is symmetrically and fixedly connected to the rear surface of the second push plate (9), a second spring (12) is sleeved on the outer circumferential surface of each second guide rod (13), the front end of the second spring (12) is fixedly connected to the outer surface of the second push plate (9), and the rear end of the second spring (12) is fixedly connected to the inner wall of the protective cover (3).