CN215342326U

CN215342326U - Safe type arc extinguishing circuit breaker

Info

Publication number: CN215342326U
Application number: CN202121830819.2U
Authority: CN
Inventors: 陈家祥; 陈家友; 周荣燕; 陈家秀
Original assignee: Zhejiang Gerui Electric Technology Co ltd
Current assignee: Zhejiang Gerui Electric Technology Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-28
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a safety arc-extinguishing circuit breaker which comprises a main body, wherein a wiring hole is formed in the upper surface of the main body, a fixing mechanism is arranged on the upper side inside the main body, the fixing mechanism consists of a driving gear, a driven gear, four connecting rods and four clamping plates, a fixing rod is fixedly connected to one transverse side of the driving gear, the other end of the fixing rod extends to the outside of the main body through a bearing, the driven gear is rotatably arranged on the upper side inside the main body, the driving gear is meshed with the driven gear, four connecting grooves are uniformly formed in the surface of the driven gear, and four sliding grooves are uniformly formed in the upper surface inside the main body. According to the utility model, the electric wire is clamped by the clamping plate through the knob, so that the electric wire is prevented from loosening, the safety is improved, the spring is fixedly connected to one side surface inside the sliding groove, and the other end of the spring is fixedly connected to the side surface of the connecting rod, so that the clamping is firmer.

Description

Safe type arc extinguishing circuit breaker

Technical Field

The utility model relates to the technical field of arc extinguishing circuit breakers, in particular to a safe arc extinguishing circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying and breaking a current under a normal circuit condition and closing, carrying and breaking a current under an abnormal circuit condition within a specified time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to the use range, the division of the high-voltage and low-voltage boundary lines is fuzzy, and the circuit breaker is generally called a high-voltage electrical appliance with the voltage of 3kV or more.

At present, there is the weak point still in current safe type arc extinguishing circuit breaker, and inside the electric wire need be connected to the circuit breaker usually in the arc extinguishing circuit breaker use, but simple connection leads to the electric wire to break away from the arc extinguishing short circuiter easily, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problems, the safety arc-extinguishing breaker is provided.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a safety arc-extinguishing breaker comprises a main body, wherein the upper surface of the main body is provided with a wiring hole, the upper side inside the main body is provided with a fixing mechanism, the fixing mechanism consists of a driving gear, a driven gear, four connecting rods and four clamping plates, one transverse side of the driving gear is fixedly connected with a fixing rod, the other end of the fixed rod extends to the outside of the main body through a bearing, the driven gear is rotationally arranged at the upper side in the main body, the driving gear is engaged with the driven gear, four connecting grooves are uniformly arranged on the surface of the driven gear, four chutes, four chutes are evenly arranged on the upper surface inside the main body, the upper ends of the connecting rods are respectively connected inside the four chutes in a sliding manner, four lower ends of the connecting rods are respectively extended to the lower part of the driven gear through four connecting grooves, and four clamping plates are respectively fixedly connected to the lower ends of the four connecting rods.

Preferably, four connecting grooves are obliquely arranged.

Preferably, the transverse outer end of the fixing rod is fixedly connected with a knob.

Preferably, a spring is fixedly connected to one side surface inside the sliding groove, and the other end of the spring is fixedly connected to the side surface of the connecting rod.

Preferably, the clamping plate lateral surface is circular arc-shaped.

Preferably, the driven gear has a connecting hole formed in the center of the longitudinal surface thereof.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

the electric wire clamping device comprises a main body, a fixed rod, a driving gear, a driven gear, a connecting rod, a knob, a connecting rod, a wire, a connecting groove, a connecting rod and a wire clamping device, wherein the wire is connected to the inside of the main body through the connecting hole and the connecting hole, the fixed rod is rotated by rotating the knob, the driving gear is rotated, the driven gear is rotatably arranged on the upper side of the inside of the main body, the driving gear is meshed with the driven gear, so the driven gear is rotated, four sliding grooves are uniformly formed in the upper surface of the inside of the main body, the upper ends of four connecting rods are respectively and slidably connected to the insides of the four sliding grooves, four connecting grooves are uniformly formed in the surface of the driven gear, the lower ends of the four connecting rods respectively extend to the lower side of the driven gear through the four connecting grooves, the four connecting grooves are obliquely arranged, so that the connecting rods move inwards at the same time when the driven gear rotates, the four clamping plates are respectively and fixedly connected to the lower ends of the four connecting rods, so that the four clamping plates simultaneously move inwards to clamp the electric wire, and the electric wire is clamped by the knob, thereby avoiding the loosening of the clamping plates, the safety is improved, one side surface of the inside of the sliding groove is fixedly connected with the spring, and the other end of the spring is fixedly connected to the side surface of the connecting rod, so that the clamping is firmer.

Drawings

Fig. 1 is a schematic diagram illustrating an overall structure of an arc extinguishing breaker according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a top view surface portion of an arc extinguishing breaker according to an embodiment of the present invention;

fig. 3 is a schematic diagram illustrating an internal structure of a top view surface of an arc extinguishing breaker according to an embodiment of the utility model;

fig. 4 shows a schematic diagram of an internal structure of a front view surface of an arc-extinguishing circuit breaker according to an embodiment of the utility model.

Illustration of the drawings:

1. a main body; 101. a wiring hole; 102. a chute; 2. a knob; 3. a driven gear; 301. connecting grooves; 302. connecting holes; 4. fixing the rod; 5. a driving gear; 6. a connecting rod; 7. a splint; 8. a spring.

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.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a safe type arc extinguishing circuit breaker, including main part 1, wiring hole 101 has been seted up to 1 upper surface of main part, 1 inside upside of main part is provided with fixed establishment, fixed establishment is by driving gear 5, driven gear 3, four connecting rods 6 and four splint 7 are constituteed, 5 horizontal one side fixedly connected with dead lever 4 of driving gear, the 4 other ends of dead lever extend to 1 outside of main part through the bearing, 3 rotations of driven gear set up in 1 inside upside of main part, driving gear 5 is connected with 3 meshing of driven gear, four spread grooves 301 have evenly been seted up on the 3 surface of driven gear, four spout 102 have evenly been seted up on 1 inside upper surface of main part, 6 upper end difference sliding connection of four connecting rods are inside four

spout

102, 6 lower extremes of four connecting rods extend to 3 below of driven gear through four spread grooves 301 respectively, four splint 7 difference fixed connection are in 6 lower extremes of four connecting rods.

Specifically, as shown in fig. 3, four connecting grooves 301 are obliquely arranged.

Specifically, as shown in fig. 2, the knob 2 is fixedly connected to the lateral outer end of the fixing rod 4.

Specifically, as shown in fig. 4, a spring 8 is fixedly connected to one side surface inside the sliding groove 102, and the other end of the spring 8 is fixedly connected to the side surface of the connecting rod 6.

Specifically, as shown in fig. 2, the lateral surface of the chucking plate 7 is formed in a circular arc shape.

Specifically, as shown in fig. 4, a connecting hole 302 is formed in the center of the longitudinal surface of the driven gear 3.

In summary, in the safety arc-extinguishing circuit breaker provided by this embodiment, the wiring hole 101 is formed on the upper surface of the main body 1, the connecting hole 302 is formed in the center of the longitudinal surface of the driven gear 3, the electric wire is connected to the inside of the main body 1 through the wiring hole 101 and the connecting hole 302, at this time, the knob 2 is rotated, the knob 2 is fixedly connected to the lateral outer end of the fixing rod 4, so that the fixing rod 4 is rotated by the rotation of the knob 2, the driving gear 5 is fixedly connected to the other end of the fixing rod 4, so that the driving gear 5 starts to rotate, the driven gear 3 is rotatably disposed on the upper side inside the main body 1, the driving gear 5 is engaged with the driven gear 3, so that the driven gear 3 starts to rotate, the upper surface of the inside of the main body 1 is uniformly provided with four sliding slots 102, the upper ends of the four connecting rods 6 are respectively slidably connected to the inside of the four sliding slots 102, the surface of the driven gear 3 is uniformly provided with four connecting slots 301, the lower ends of the four connecting rods 6 respectively extend to the lower ends of the driven gear 3 through the four connecting slots 301, four connecting grooves 301 are the slant setting, so connecting rod 6 moves to the center in spout 102 when driven gear 3 rotates, four splint 7 are fixed connection in four connecting rod 6 lower extremes respectively, thereby four splint 7 move inwards simultaneously and press from both sides tight electric wire, the inside side fixedly connected with spring 8 of spout 102, spring 8 other end fixed connection is in the 6 side surfaces of connecting rod for it is more firm to press from both sides tightly.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The safety arc extinguishing breaker comprises a main body (1) and is characterized in that a wiring hole (101) is formed in the upper surface of the main body (1), a fixing mechanism is arranged on the upper side inside the main body (1), the fixing mechanism consists of a driving gear (5), a driven gear (3), four connecting rods (6) and four clamping plates (7), a fixing rod (4) is fixedly connected to one transverse side of the driving gear (5), the other end of the fixing rod (4) extends to the outside of the main body (1) through a bearing, the driven gear (3) is rotatably arranged on the upper side inside the main body (1), the driving gear (5) is meshed with the driven gear (3), four connecting grooves (301) are uniformly formed in the surface of the driven gear (3), four sliding grooves (102) are uniformly formed in the upper surface inside the main body (1), the upper ends of the four connecting rods (6) are respectively slidably connected inside the four sliding grooves (102), four connecting rod (6) lower extreme extends to driven gear (3) below through four spread groove (301) respectively, four splint (7) are fixed connection in four connecting rod (6) lower extremes respectively.

2. A safety-type arc extinguishing breaker according to claim 1, characterized in that all four connecting slots (301) are arranged obliquely.

3. A safety-type arc extinguishing breaker according to claim 1, characterized in that the fixing rod (4) is fixedly connected with a knob (2) at its lateral outer end.

4. A safety-type arc extinguishing breaker according to claim 1, characterized in that a spring (8) is fixedly connected to one side of the inside of the chute (102), and the other end of the spring (8) is fixedly connected to the side surface of the connecting rod (6).

5. A safety-type arc extinguishing breaker according to claim 1, characterized in that the transversal surface of the clamping plate (7) is rounded.

6. A safety-type arc extinguishing breaker according to claim 1, characterized in that the driven gear (3) has a connecting hole (302) formed in the center of its longitudinal surface.