CN215496560U - Assemble convenient box-sharing primary and secondary and fuse circuit breaker - Google Patents

Abstract

The utility model belongs to the technical field of circuit breakers, and particularly relates to a common-box type one-time and two-time fusion circuit breaker convenient to assemble, which comprises a lower shell, wherein an upper shell is fixedly arranged at the upper end of the lower shell, a placing plate is transversely and fixedly arranged in the lower shell, the upper end of the placing plate is fixedly provided with a circuit breaker through a fixing mechanism, the upper end of the circuit breaker penetrates through the upper shell and extends to the upper end of the upper shell, mounting blocks are fixedly arranged at two ends of the circuit breaker, the fixing mechanism comprises a supporting rod, a limiting block is fixedly arranged at the upper end of the supporting rod, a pressing plate is slidably arranged on the rod wall of the supporting rod, and a fixing rod is fixedly arranged on the lower side wall of the pressing plate, so that the circuit breaker can be rapidly assembled, the conventional bolt fixing is effectively replaced, the difficulty in mounting or dismounting is reduced, and the use is more convenient.

Description

Assemble convenient box-sharing primary and secondary and fuse circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a common-box type primary and secondary fusion circuit breaker convenient to assemble.

Background

The circuit breaker is a switching device capable of closing, carrying and opening a current under a normal circuit condition and closing, and carrying and opening a current under an abnormal circuit condition within a prescribed time, and is divided into a high-voltage circuit breaker and a low-voltage circuit breaker according to its use range, the circuit breaker can be used to distribute electric energy, an asynchronous motor is not frequently started, a power supply line, a motor and the like are protected, a circuit can be automatically cut off when a fault such as a serious overload or a short circuit or an undervoltage occurs, the circuit breaker functions as a combination of a fuse type switch and an over-under-heat relay, and parts do not need to be changed after the fault current, and at present, the circuit breaker has been widely used.

The existing circuit breaker is complex in the installation process, is often fixed through a plurality of bolts, and needs a large number of tools to operate in the installation or disassembly process, so that the mode is complex, and the assembly difficulty is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a common-box type primary and secondary fusion breaker convenient to assemble, and aims to solve the problems that the existing breaker in the background art is often fixed through a large number of bolts during installation, the mode is complex, and the assembly difficulty is increased.

In order to achieve the purpose, the utility model provides the following technical scheme: a common-box type primary and secondary fusion circuit breaker convenient to assemble comprises a lower shell, wherein an upper shell is fixedly arranged at the upper end of the lower shell, a placing plate is transversely and fixedly arranged in the lower shell, a circuit breaker is fixedly arranged at the upper end of the placing plate through a fixing mechanism, the upper end of the circuit breaker penetrates through the upper shell and extends to the upper end of the upper shell, mounting blocks are fixedly arranged at both ends of the circuit breaker, the fixing mechanism comprises a supporting rod, a limiting block is fixedly arranged at the upper end of the supporting rod, a pressing plate is slidably arranged on the rod wall of the supporting rod, a fixing rod is fixedly arranged on the lower side wall of the pressing plate, a fixing groove is formed in the upper side wall of each mounting block, the lower end of the fixing rod is clamped with the fixing groove, a first spring is sleeved at the upper end of the rod wall of the supporting rod, and the upper end of the first spring is fixedly connected with the lower side wall of the limiting block, the lower end of the first spring is fixedly connected with the upper side wall of the pressing plate.

Preferably, go up the fixed rain insensitive device that is provided with in upper end of casing, the fixed connecting block that is provided with the symmetry of last lateral wall of going up the casing, two the cavity has all been seted up to the inside of connecting block, two the inside of cavity all slides and is provided with the slider, two the lower lateral wall of slider is all fixed and is provided with the second spring, two the lower extreme of second spring all with the inner wall fixed connection of cavity, two the last lateral wall of slider all is fixed and is provided with the connecting rod, two the last lateral wall that the cavity was all run through to the upper end of connecting rod extends to the upper end and transversely fixes jointly and is provided with the flashing board.

Preferably, the both ends of going up the casing are all fixed and are provided with first mounting panel, the upper end of casing both sides wall is all fixed and is provided with the second mounting panel down, two first mounting panel all through bolt and two second mounting panel fixed connection.

Preferably, the lower side wall of the lower shell is fixedly provided with symmetrical mounting frames, and the insides of the two mounting frames are in threaded connection with mounting bolts.

Preferably, a heat dissipation opening is formed in the lower side wall of the lower shell, a dustproof net is fixedly arranged inside the heat dissipation opening, and a heat dissipation fan is fixedly arranged at the upper end of the heat dissipation opening.

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

through placing board, installation piece, bracing piece, stopper, pressing block, dead lever and the common cooperation of first spring, be convenient for assemble the circuit breaker fast, effectively replaced bolt fastening in the past, reduced the degree of difficulty of installation or dismantlement, it is more convenient to use.

Drawings

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

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is an enlarged schematic view of portion B of FIG. 1;

fig. 4 is an enlarged schematic structural view of a portion C in fig. 1.

In the figure: 1 lower casing, 2 upper casings, 3 place board, 4 circuit breakers, 5 installation pieces, 6 bracing pieces, 7 stopper, 8 press the board, 9 dead levers, 10 first spring, 11 connecting blocks, 12 sliders, 13 second springs, 14 connecting rods, 15 flashing boards, 16 first mounting panels, 17 second mounting panels, 18 mounting brackets, 19 radiator fan.

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.

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, are merely for convenience in describing the present invention and simplifying the 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 thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: a common-box type primary and secondary fusion circuit breaker convenient to assemble comprises a lower shell 1, an upper shell 2 is fixedly arranged at the upper end of the lower shell 1, a placing plate 3 is transversely and fixedly arranged in the lower shell 1, a circuit breaker 4 is fixedly arranged at the upper end of the placing plate 3 through a fixing mechanism, the upper end of the circuit breaker 4 penetrates through the upper shell 2 and extends to the upper end of the upper shell 2, mounting blocks 5 are fixedly arranged at two ends of the circuit breaker 4, the fixing mechanism comprises a supporting rod 6, a limiting block 7 is fixedly arranged at the upper end of the supporting rod 6, a pressing plate 8 is slidably arranged on the rod wall of the supporting rod 6, a fixing rod 9 is fixedly arranged on the lower side wall of the pressing plate 8, a fixing groove is formed in the upper side wall of the mounting block 5, the lower end of the fixing rod 9 is clamped with the fixing groove, a first spring 10 is sleeved at the upper end of the rod wall of the supporting rod 6, and the upper end of the first spring 10 is fixedly connected with the lower side wall of the limiting block 7, lower extreme and the last lateral wall fixed connection of pressing panel 8 of first spring 10 are convenient for install circuit breaker 4 and place between the board 3 fast and fixed, have effectively replaced bolt fastening in the past, and convenient operation has reduced the efficiency of installation dismantlement.

Go up the fixed rain insensitive device that is provided with in upper end of casing 2, the fixed connecting block 11 that is provided with the symmetry of last lateral wall of casing 2, the cavity has all been seted up to the inside of two connecting blocks 11, the inside of two cavities all slides and is provided with slider 12, the lower lateral wall of two sliders 12 is all fixed and is provided with second spring 13, the lower extreme of two second springs 13 all with the inner wall fixed connection of cavity, the last lateral wall of two sliders 12 is all fixed and is provided with connecting rod 14, the last lateral wall that the cavity was all run through to two connecting rod 14 extends to upper end and horizontal common fixed flashing board 15 that is provided with, can effectively rain-proof to circuit breaker 4, prevent the in-process that uses, the rainwater gets into circuit breaker 4's inside, influence circuit breaker 4's life.

Go up the both ends of casing 2 and all fixedly be provided with first mounting panel 16, the upper end of 1 both sides wall of lower casing is all fixedly provided with second mounting panel 17, and two first mounting panels 16 are all through bolt and two second mounting panel 17 fixed connection, conveniently to go up the casing 2 and carry out the dismouting down between the casing 1.

The lower side wall of the lower shell 1 is fixedly provided with symmetrical mounting frames 18, and mounting bolts are in threaded connection inside the two mounting frames 18.

The thermovent has been seted up to the lower lateral wall of casing 1 down, and the fixed dust screen that is provided with in inside of thermovent, the fixed radiator fan 19 that is provided with in upper end of thermovent are convenient for dispel the heat and cool down to the inside of last casing 2 and casing 1 down, prevent to produce more heat in the circuit breaker 4 use, influence self work.

The working principle is as follows: when needs are installed circuit breaker 4, place circuit breaker 4 in the upper end of placing board 3, first spring 10 drives lower extreme fixed connection's according to clamp plate 8 and moves down, press clamp plate 8 to drive down joint between lateral wall fixed connection's the dead lever 9 and the fixed slot, with joint between dead lever 9 and the installation piece 5, stabilize and fix circuit breaker 4 in the upper end of placing board 3, with joint between upper casing 2 and the lower casing 1, it is fixed with the installation between first mounting panel 16 and the second mounting panel 17 through the bolt, start fan 19, fan 19 cools down circuit breaker 4, prevent that the high temperature from influencing circuit breaker 4's life.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model 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 utility model 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 changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a convenient equipment's box-sharing once and twice fuses circuit breaker, includes lower casing (1), its characterized in that, the upper end of lower casing (1) is fixed and is provided with upper housing (2), the inside of lower casing (1) transversely is fixed and is provided with places board (3), place the upper end of board (3) and fixedly be provided with circuit breaker (4) through fixed establishment, the upper end of circuit breaker (4) runs through upper casing (2) and extends to the upper end of upper casing (2), the both ends of circuit breaker (4) all are fixed and are provided with installation piece (5), fixed establishment includes bracing piece (6), the upper end of bracing piece (6) is fixed and is provided with stopper (7), the pole wall of bracing piece (6) slides and is provided with pressing plate (8), the lower lateral wall of pressing plate (8) is fixed and is provided with dead lever (9), the upper lateral wall of installation piece (5) has seted up the fixed slot, the lower extreme of dead lever (9) with joint between the fixed slot, the upper end of bracing piece (6) pole wall is cup jointed and is provided with first spring (10), the upper end of first spring (10) with the lower lateral wall fixed connection of stopper (7), the lower extreme of first spring (10) with go up lateral wall fixed connection according to clamp plate (8).

2. The assembled common-box type primary-secondary fusion breaker as claimed in claim 1, wherein: go up the fixed rain insensitive device that is provided with in upper end of casing (2), go up the fixed connecting block (11) that are provided with the symmetry of last lateral wall of casing (2), two the cavity has all been seted up, two to the inside of connecting block (11) the inside of cavity all slides and is provided with slider (12), two the lower lateral wall of slider (12) all is fixed and is provided with second spring (13), two the lower extreme of second spring (13) all with the inner wall fixed connection of cavity, two the last lateral wall of slider (12) all is fixed and is provided with connecting rod (14), two the last lateral wall that the upper end of connecting rod (14) all runs through the cavity extends to the upper end and horizontal fixed flashing (15) that is provided with jointly.

3. The assembled common-box type primary-secondary fusion breaker as claimed in claim 1, wherein: go up the both ends of casing (2) and all fixedly be provided with first mounting panel (16), the upper end of casing (1) both sides wall is all fixedly provided with second mounting panel (17), two down first mounting panel (16) all through bolt and two second mounting panel (17) fixed connection.

4. The assembled common-box type primary-secondary fusion breaker as claimed in claim 1, wherein: the lower side wall of the lower shell (1) is fixedly provided with symmetrical mounting frames (18), and the inner parts of the two mounting frames (18) are in threaded connection with mounting bolts.

5. The assembled common-box type primary-secondary fusion breaker as claimed in claim 1, wherein: the lower side wall of the lower shell (1) is provided with a heat dissipation opening, a dustproof net is fixedly arranged inside the heat dissipation opening, and a heat dissipation fan (19) is fixedly arranged at the upper end of the heat dissipation opening.

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