CN211062669U

CN211062669U - Electric shock prevention circuit breaker structure

Info

Publication number: CN211062669U
Application number: CN201922255059.6U
Authority: CN
Inventors: 蔡品花
Original assignee: Xiamen Wilsons Electrical Co ltd
Current assignee: Xiamen Wilsons Electrical Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-21
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses an electric shock protection circuit breaker structure, including the circuit breaker body, the front side of circuit breaker body is provided with the plug-in strip, the circuit breaker body front side is opened and is equipped with the wiring subassembly, the wiring subassembly includes terminal and mounting panel, the mounting panel inboard is provided with solid fixed cylinder, the centre gripping hole has been seted up to one side of solid fixed cylinder, the both sides of solid fixed cylinder are provided with spring telescopic link respectively, spring telescopic link one end with the mounting panel links to each other, the other end with the circuit breaker body links to each other. Compared with the prior art, the beneficial effects of the utility model are that: make the solid fixed cylinder insert the downthehole portion of working a telephone switchboard through the spring telescopic link to utilize the outer centre gripping hole of solid fixed cylinder and the centre gripping groove on the terminal to carry out the centre gripping to the circuit end of a thread and link up, and wrap up the end of a thread of terminal and circuit through solid fixed cylinder, avoid during the staff electrified detection, touch the wiring end carelessly and electrocute, improve the security of circuit breaker greatly.

Description

Electric shock prevention circuit breaker structure

Technical Field

The utility model relates to a circuit breaker field specifically is an electric shock protection circuit breaker structure.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, it has been widely used.

The circuit breaker needs the circuit wiring in the installation, traditional mode of connection is that the end of a thread on the direct circuit breaker is twisted with the fingers together with the end of a thread of circuit, the reuse prevents the winding of electric tape, this kind of mode of connection is not only troublesome, and when the circuit overhauls in the later stage, constructor can live working sometimes, constructor touches the wiring end carelessly easily and electrocutes, cause very big potential safety hazard, therefore, it is convenient to need a wiring urgently, and can effectively avoid constructor to contact the circuit breaker structure of wiring end and satisfy this market demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric shock prevention circuit breaker structure to solve the traditional mode of connection that proposes in the above-mentioned background art and directly twist with the end of a thread on the circuit breaker and the end of a thread of circuit together, the reuse prevents the winding of electric tape, and this kind of mode of connection is not only troublesome, carries out the circuit in the later stage moreover and overhauls, and constructor can live working sometimes, and constructor touches the wiring end carelessly easily and electrocutes, causes very big potential safety hazard scheduling problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electric shock prevention circuit breaker structure, includes the circuit breaker body, the front side of circuit breaker body is provided with the plug-in strip, the wiring subassembly that a plurality of equidistance was arranged is seted up to the upper and lower both ends level of circuit breaker body front side, the wiring subassembly includes terminal and mounting panel, the terminal with the inside electrical components of circuit breaker body links to each other, the inboard central point of mounting panel puts and is provided with solid fixed cylinder, gu fixed cylinder cover is in the outside of terminal, just the centre gripping hole has been seted up to one side of solid fixed cylinder, gu fixed cylinder's both sides are provided with spring telescopic rod respectively, spring telescopic rod one end with the mounting panel links to each other, the other end with the circuit.

Preferably, the spring telescopic link includes outer tube and inner tube, the outer tube with the inner tube respectively with mounting panel and circuit breaker body link to each other, the outer tube with sliding connection has well pipe between the inner tube, the outer tube well pipe with the inner tube communicates with each other, and inside is provided with expanding spring, expanding spring's one end with mounting panel fixed connection, the other end with circuit breaker body fixed connection.

Preferably, the outer pipe and the inner side wall of the middle pipe are respectively provided with a sliding groove, the outer side wall of the middle pipe and the inner side wall of the inner pipe are respectively provided with a sliding block, the sliding block outside the inner pipe is matched with the sliding groove inside the middle pipe, and the sliding block outside the middle pipe is matched with the sliding groove inside the outer pipe.

Preferably, the inner diameter of the outer pipe is equal to the outer diameter of the middle pipe, and the inner diameter of the middle pipe is equal to the outer diameter of the inner pipe.

Preferably, the end of the binding post is provided with a clamping groove, and the clamping groove is matched with the clamping hole.

Preferably, the mounting plate is provided with a pull ring on the outer side.

Preferably, the wiring hole that the equidistance was arranged is seted up to the upper and lower both ends level of circuit breaker body, the terminal is located in the wiring hole, just the internal diameter size in wiring hole equals the external diameter size of fixed pipe.

Preferably, the whole device is made of insulating materials except the wiring terminal, the telescopic spring and some electrical elements inside the breaker body.

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

make the solid fixed cylinder insert the downthehole portion of working a telephone switchboard through the spring telescopic link to utilize the outer centre gripping hole of solid fixed cylinder and the centre gripping groove on the terminal to carry out the centre gripping to the circuit end of a thread and link up, and wrap up the end of a thread of terminal and circuit through solid fixed cylinder, avoid during the staff electrified detection, touch the wiring end carelessly and electrocute, improve the security of circuit breaker greatly.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a right side view of the present invention;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2;

FIG. 4 is a schematic view of the internal structure of FIG. 3;

fig. 5 is the schematic view of the internal structure of the spring telescopic rod of the present invention.

In the figure: 1. a circuit breaker body; 2. a knife switch; 3. a wiring assembly; 301. a fixed cylinder; 302. mounting a plate; 303. a binding post; 304. a clamping hole; 305. a clamping groove; 306. a spring telescopic rod; 3061. an outer tube; 3062. a middle tube; 3063. an inner tube; 3064. a chute; 3065. a slider; 3066. a tension spring; 307. a pull ring; 308. and a wiring hole.

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.

Referring to fig. 1-5, an electric shock protection circuit breaker structure, including circuit breaker body 1, circuit breaker body 1's front side is provided with plug-in strip 2, the wiring subassembly 3 that a plurality of equidistance was arranged is seted up to the upper and lower both ends level of circuit breaker body 1 front side, wiring subassembly 3 includes terminal 303 and mounting panel 302, terminal 303 links to each other with the inside electrical components of circuit breaker body 1, the inboard central point of mounting panel 302 puts and is provided with solid fixed cylinder 301, gu fixed cylinder 301 covers the outside at terminal 303, and solid fixed cylinder 301's one side has seted up centre gripping hole 304, gu fixed cylinder 301's both sides are provided with spring telescopic link 306 respectively, spring telescopic link 306 one end links to each other with mounting panel 302, the other end links to each.

Specifically, the spring telescopic rod 306 comprises an outer tube 3061 and an inner tube 3063, the outer tube 3061 and the inner tube 3063 are respectively connected with the mounting plate 302 and the breaker body 1, a middle tube 3062 is slidably connected between the outer tube 3061 and the inner tube 3063, the outer tube 3061, the middle tube 3062 and the inner tube 3063 are communicated, a telescopic spring 3066 is arranged inside the outer tube 3061, one end of the telescopic spring 3066 is fixedly connected with the mounting plate 302, and the other end of the telescopic spring 3066 is fixedly connected with the breaker body 1; when the device is used, the outer tube 3061 is pulled outwards through the mounting plate 302, the elastic force of the telescopic spring 3066 is overcome, the middle tube 3062 and the inner tube 3063 are extended out of the outer tube 3061, the spring telescopic rod 306 is extended, the mounting plate 302 drives the fixing barrel 301 to move towards the direction far away from the wire connecting hole 308 until the wire end can be inserted between the clamping hole 304 and the clamping groove 305, the wire end is inserted between the clamping hole 304 and the clamping groove 305, the mounting plate 302 is loosened, the middle tube 3062 and the inner tube 3063 are contracted towards the inside of the outer tube 3061 by the aid of the elastic force of the telescopic spring 3066, and the mounting plate 302 pushes the fixing barrel 301 to move towards the wire connecting hole 308 until the clamping hole 304 and the clamping groove 305 tightly clamp the wire end.

Specifically, the inner side walls of the outer tube 3061 and the middle tube 3062 are respectively provided with a sliding groove 3064, the outer side walls of the middle tube 3062 and the inner tube 3063 are respectively provided with a sliding block 3065, the sliding block 3065 outside the inner tube 3063 is matched with the sliding groove 3064 inside the middle tube 3062, and the sliding block 3065 outside the middle tube 3062 is matched with the sliding groove 3064 inside the outer tube 3061; with such an arrangement, the outer tube 3061, the middle tube 3062, and the inner tube 3063 are slidably engaged with each other by the sliding engagement of the slider 3065 and the slide groove 3064, and the inner tube 3063 and the middle tube 3062 are prevented from falling off from the middle tube 3062 and the outer tube 3061, respectively.

Specifically, the inner diameter of the outer tube 3061 is equal to the outer diameter of the middle tube 3062, and the inner diameter of the middle tube 3062 is equal to the outer diameter of the inner tube 3063, so that the middle tube 3062 and the inner tube 3063 move more smoothly inside the outer tube 3061 and the middle tube 3062, respectively, the spring expansion rod 306 is prevented from bending when being contracted and contracted, and the fixed cylinder 301 is inserted into the wire connection hole 308.

Specifically, the end of terminal 303 is provided with centre gripping groove 305, and centre gripping groove 305 mutually supports with centre gripping hole 304, through setting up centre gripping groove 305, can carry out centre gripping location to the circuit stub, makes circuit stub and terminal 303 in close contact with.

Specifically, the mounting plate 302 is provided with a pull ring 307 on the outer side, and the mounting plate 302 is conveniently pulled outwards by the pull ring 307.

Specifically, the wiring hole 308 that the equidistance was arranged is seted up to circuit breaker body 1's upper and lower both ends level, terminal 303 is located wiring hole 308, and the internal diameter size of wiring hole 308 equals the external diameter size of fixed pipe, so set up, when centre gripping hole 304 and centre gripping groove 305 carry out the centre gripping to the circuit end of a thread and fix, the one end that mounting panel 302 was kept away from to solid fixed cylinder 301 just inserts wiring hole 308 inside, and then wraps up terminal 303 and circuit end of a thread inside solid fixed cylinder 301 completely, avoid the staff accident to touch the wiring end.

Specifically, except for the binding post 303, the extension spring 3066 and some electrical components inside the circuit breaker body 1, other components are all made of insulating materials, so the arrangement avoids the current on the electrical components from leaking out through the device, and the safety performance of the device is greatly improved.

The working principle is as follows: when the breaker is installed, the breaker body 1 is fixed in a distribution box or an electricity meter box, the outer tube 3061 is pulled outwards through the mounting plate 302, the elastic force of the expansion spring 3066 is overcome, the middle tube 3062 and the inner tube 3063 extend out of the outer tube 3061, the spring expansion rod 306 is further extended, the mounting plate 302 drives the fixed cylinder 301 to move towards the direction far away from the wiring hole 308 until the circuit wire head can be inserted between the clamping hole 304 and the clamping groove 305, the circuit wire head is inserted between the clamping hole 304 and the clamping groove 305, the mounting plate 302 is loosened, the middle tube 3062 and the inner tube 3063 contract towards the inside of the outer tube 3061 by utilizing the elasticity of the expansion spring 3066, the mounting plate 302 pushes the fixed cylinder 301 to move towards the wiring hole 308 until the clamping hole 304 and the clamping groove 305 tightly clamp the circuit wire head, and when the clamping hole 304 and the clamping groove 305 clamp the circuit wire head, one end of the fixed cylinder 301 far away from the mounting plate 302 is just inserted into the wiring hole 308, and then wrap up terminal 303 and circuit end of a thread inside fixed cylinder 301 completely, avoid the staff accident to touch the wiring end, improve the security performance of device greatly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a protection against electric shock circuit breaker structure which characterized in that: comprises a breaker body (1), a knife switch (2) is arranged at the front side of the breaker body (1), the upper end and the lower end of the front side of the breaker body (1) are horizontally provided with a plurality of wiring components (3) which are arranged at equal intervals, the wiring assembly (3) comprises a wiring terminal (303) and a mounting plate (302), the binding post (303) is connected with an electrical element inside the breaker body (1), a fixed cylinder (301) is arranged at the central position of the inner side of the mounting plate (302), the fixed cylinder (301) is sleeved on the outer side of the binding post (303), and one side of the fixed cylinder (301) is provided with a clamping hole (304), two sides of the fixed cylinder (301) are respectively provided with a spring telescopic rod (306), one end of the spring telescopic rod (306) is connected with the mounting plate (302), and the other end of the spring telescopic rod is connected with the breaker body (1).

2. The structure of an electric shock protection circuit breaker according to claim 1, wherein: the spring telescopic rod (306) comprises an outer tube (3061) and an inner tube (3063), the outer tube (3061) and the inner tube (3063) are respectively connected with the mounting plate (302) and the breaker body (1), a middle tube (3062) is slidably connected between the outer tube (3061) and the inner tube (3063), the outer tube (3061), the middle tube (3062) and the inner tube (3063) are communicated, a telescopic spring (3066) is arranged inside the outer tube, one end of the telescopic spring (3066) is fixedly connected with the mounting plate (302), and the other end of the telescopic spring is fixedly connected with the breaker body (1).

3. The electric shock protection circuit breaker structure of claim 2, wherein: the inner side walls of the outer pipe (3061) and the middle pipe (3062) are respectively provided with a sliding groove (3064), the outer side walls of the middle pipe (3062) and the inner pipe (3063) are respectively provided with a sliding block (3065), the sliding block (3065) on the outer side of the inner pipe (3063) is matched with the sliding groove (3064) on the inner side of the middle pipe (3062), and the sliding block (3065) on the outer side of the middle pipe (3062) is matched with the sliding groove (3064) on the inner side of the outer pipe (3061).

4. The electric shock protection circuit breaker structure of claim 2, wherein: the outer tube (3061) has an inner diameter dimension equal to the outer diameter dimension of the middle tube (3062), and the middle tube (3062) has an inner diameter dimension equal to the outer diameter dimension of the inner tube (3063).

5. The structure of an electric shock protection circuit breaker according to claim 1, wherein: the end of the binding post (303) is provided with a clamping groove (305), and the clamping groove (305) is matched with the clamping hole (304).

6. The structure of an electric shock protection circuit breaker according to claim 1, wherein: and a pull ring (307) is arranged on the outer side of the mounting plate (302).

7. The structure of an electric shock protection circuit breaker according to claim 1, wherein: the wiring hole (308) that the equidistance was arranged is seted up to the upper and lower both ends level of circuit breaker body (1), terminal (303) are located wiring hole (308) are interior, just the internal diameter size in wiring hole (308) equals the external diameter size of fixed section of thick bamboo (301).

8. The electric shock protection circuit breaker structure of claim 2, wherein: except the wiring terminal (303), the telescopic spring (3066) and some electrical elements inside the breaker body (1), other components in the whole device are all made of insulating materials.