CN215342464U

CN215342464U - Fixing device based on frame circuit breaker

Info

Publication number: CN215342464U
Application number: CN202121712862.9U
Authority: CN
Inventors: 侯魁; 王�忠; 刘丰丰; 杜吟; 潘璇
Original assignee: Jiangsu Daquan Kaifan Switch Co ltd
Current assignee: Jiangsu Daquan Kaifan Switch Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-28
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a fixing device based on a frame circuit breaker, which comprises a circuit breaker, a fixing device and a first connecting group, wherein the fixing device comprises a fixing plate, concave side plates and a fixing nut group, the concave side plates are arranged on two sides of the fixing plate, and the fixing device is arranged at the bottom of the circuit breaker.

Description

Fixing device based on frame circuit breaker

Technical Field

The utility model relates to the field of low-voltage apparatus component equipment, in particular to a fixing device based on a frame circuit breaker.

Background

In the industry of low-voltage electrical appliances, along with the increasing of power consumption and the development of the industries of wind power and photovoltaic, the power of a power distribution cabinet, an inverter and the like under the same volume is also increased, so that the volume of a circuit breaker is required to be smaller and smaller. The parameters of the circuit breaker are higher and higher, and it is a trend to replace a part of large-current molded case circuit breakers with frame circuit breakers, and the fixation of the frame circuit breakers is also a problem to be solved.

For example, a fixed frame circuit breaker disclosed by the publication No. CN203644682U includes a top cover, a secondary wire holder, a beam, a switch body, a left side plate, a left rubber sheath, a busbar, a right side plate, and a right rubber sheath; the left rubber type sheath and the right rubber type sheath are respectively clamped in square holes of the left side plate and the right side plate, the left side plate and the right side plate provided with the rubber type sheaths are respectively fixedly arranged at two sides of the switch body by screws, the cross beam is fixedly arranged between the left side plate and the right side plate and above the switch body by screws, the secondary wire holder is fixedly arranged on the cross beam by screws, two ends of the top cover are respectively arranged on the left side plate and the right side plate by screws, and the left side plate and the right side plate are connected together by the top cover and the cross beam so as to be connected with the switch body into a whole; the busbar is positioned on the opposite surface of the switch body.

The frame that above-mentioned patent passes through left side board, right side board and crossbeam and constitutes makes curb plate and top cap maintenance integrative, and is more firm reliable during the installation.

In the prior art, the fixed curb plate that respectively increases in the both sides of circuit breaker like above-mentioned patent of frame circuit breaker more than, the curb plate is fixed with the circuit breaker, but increases the width size that can increase the circuit breaker behind the curb plate about, and the required space of installation is great, makes the width of frame circuit breaker be greater than moulded case circuit breaker's width, can't upgrade the replacement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fixing device based on frame circuit breaker, includes circuit breaker, fixing device, first connection group, fixing device includes fixed plate, spill curb plate, fixation nut group, the spill curb plate sets up the both sides at the fixed plate, fixing device sets up the bottom at the circuit breaker.

Preferably, the fixing plate is provided with a bottom mounting hole, the two ends of the concave side plate which protrude out are provided with upper mounting holes, and the fixing nut group is arranged on the bottom mounting hole.

Preferably, the number of the concave side plates is two, and the number of the upper mounting holes is four, and the four mounting holes are respectively distributed on two sides of the two concave side plate bulges.

Preferably, the number of the bottom mounting holes is four, and the fixing nut group comprises four nuts and corresponds to the bottom mounting holes one to one.

Preferably, the circuit breaker comprises a circuit breaker front base, a circuit breaker rear base and a circuit breaker main body.

Preferably, the circuit breaker front base is provided with a first threaded hole, and the circuit breaker rear base is provided with a second threaded hole.

Preferably, the first connection group includes four screws.

Preferably, the base is connected behind base and the circuit breaker before the circuit breaker, first connection group passes the upper portion mounting hole of one side, and is in the same place through threaded connection with first screw hole, first connection group passes the upper portion mounting hole of opposite side, and is in the same place through threaded connection with the second screw hole, links together fixing device and circuit breaker.

Preferably, the breaker main body is connected with a breaker front base.

After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects: the utility model provides a fixing device based on frame circuit breaker, is in the same place fixing device and the firm fixing of bottom of circuit breaker through first connection group, compares and connects through controlling two blocks of curb plates among the prior art, has significantly reduced the size of circuit breaker left and right sides, has reduced the volume of frame circuit breaker and the shared space of installation, makes the replacement moulded case circuit breaker that frame circuit breaker can be better.

Drawings

Fig. 1 is a structural view of a fixing device for a frame-based circuit breaker according to the present invention;

fig. 2 is a structural view of a fixing device of a frame-based circuit breaker according to the present invention;

fig. 3 is a structural view of a fixing device of a frame-based circuit breaker according to the present invention.

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.

The utility model provides a fixing device based on frame circuit breaker, includes circuit breaker 1, fixing device 2, first connection group 3, fixing device 2 includes fixed plate 21, spill curb plate 22, fixation nut group 23, spill curb plate 22 sets up the both sides at fixed plate 21, fixing device 2 sets up the bottom at circuit breaker 1. The fixing plate 21 is provided with a bottom mounting hole 211, the two protruding ends of the concave side plate 22 are provided with upper mounting holes 221, and the fixing nut group 23 is arranged on the bottom mounting hole 211. Breaker 1 includes base 11, circuit breaker rear base 12, circuit breaker main part 13 before the circuit breaker, be provided with first screw hole 111 on the base 11 before the circuit breaker, be provided with second screw hole 121 on the circuit breaker rear base 12. Base 11 is connected with base 12 behind the circuit breaker before the circuit breaker, first connection group 3 sets up on upper portion mounting hole 221 and is connected with first screw hole 111 and second screw hole 121 respectively, base 11 is connected before circuit breaker main part 13 and the circuit breaker.

The concave side plates 22 are disposed on two sides of the fixing plate 21 by bending, welding and cutting, and the fixing nut set 23 is fixed on the bottom mounting hole 211 by welding, riveting and gluing, and serves as a connecting structure preset on the fixing device 2 for fixing with a working surface.

The working mode of the utility model is as follows: the initial state before the assembly is divided into five parts of circuit breaker front base 11, circuit breaker rear base 12, circuit breaker main part 13, fixing device 2, first linkage group 3, connect circuit breaker front base 11 and circuit breaker rear base 12, place fixing device 2 in the below of circuit breaker front base 11 and circuit breaker rear base 12, pass first linkage group 3 upper portion mounting hole 221 and be connected with first screw hole 111 and second screw hole 121 respectively, and screw, set up circuit breaker main part 13 on circuit breaker front base 11, finally pass the mounting hole of working face with the screw, be connected with fixation nut group 23, and screw, can install circuit breaker 1 on the working face.

Claims

1. The utility model provides a fixing device based on frame circuit breaker which characterized in that: including circuit breaker (1), fixing device (2), first connection group (3), fixing device (2) include fixed plate (21), spill curb plate (22), fixation nut group (23), spill curb plate (22) set up the both sides at fixed plate (21), fixing device (2) set up the bottom at circuit breaker (1), be provided with bottom mounting hole (211) on fixed plate (21), the convex both ends of spill curb plate (22) are provided with upper portion mounting hole (221), fixation nut group (23) set up on bottom mounting hole (211).

2. The frame-based circuit breaker securing apparatus of claim 1, wherein: the circuit breaker (1) comprises a circuit breaker front base (11), a circuit breaker rear base (12) and a circuit breaker main body (13).

3. The frame-based circuit breaker securing apparatus of claim 2, wherein: the circuit breaker is characterized in that a first threaded hole (111) is formed in the front base (11) of the circuit breaker, and a second threaded hole (121) is formed in the rear base (12) of the circuit breaker.

4. The frame-based circuit breaker securing apparatus of claim 2, wherein: the front base (11) of the circuit breaker is connected with the rear base (12) of the circuit breaker.

5. The frame-based circuit breaker securing apparatus of claim 1 or 3, wherein: the first connecting group (3) is arranged on the upper mounting hole (221) and is respectively connected with the first threaded hole (111) and the second threaded hole (121).

6. The frame-based circuit breaker securing apparatus of claim 2, wherein: the breaker main body (13) is connected with the breaker front base (11).