CN215417983U - Modular isolator fuse group - Google Patents

Abstract

The utility model discloses a modularized isolating switch fuse set, which comprises an isolating switch, a fuse set, an insulating part and an insulating plate, wherein the isolating switch comprises a first contact, a second contact, an isolating switch base, a mechanism component and a square shaft, the mechanism component comprises an indicating part, a torsional spring, a first connecting rod, a shaft sleeve, a second connecting rod and an operating shaft, one end of the torsional spring is arranged on the inner wall of the isolating switch base, the other end of the torsional spring leans against the shaft sleeve, one end of the first connecting rod is rotatably connected with the shaft sleeve, the other end of the first connecting rod is connected with the operating shaft, one end of the second connecting rod is connected with the shaft sleeve, the other end of the second connecting rod is connected with the square shaft, the width direction of the isolating switch is small, the cost is low, the problem of insufficient space layout of complete equipment is solved, one switch cabinet can be provided with a plurality of isolating switches, the cost of the switch cabinet is reduced, when power is required to be cut off, only a quick on-off mechanism is needed, thereby improving the safety performance of the switch.

Description

Modular isolator fuse group

Technical Field

The utility model relates to the field of isolating switches, in particular to a modularized isolating switch fuse set.

Background

In order to protect power transmission and distribution circuits from open circuit and overcurrent, it is generally necessary to connect fuses in series in the power distribution circuit as protection devices, and to install a disconnecting switch and control the circuit by frequent manual operation. In low current circuits it is common to combine fuses and disconnectors to protect and control the circuit, such combinations being referred to as disconnector fuse sets or fused disconnectors.

Chinese patent with publication number CN211907313U, a fuse type disconnecting switch, which comprises a housing (1), and is characterized in that: the driving mechanism (2) is installed on the shell (1) and can rotate on the shell (1), the moving contacts (3) are fixedly installed on the contact supports (4), the contact supports (4) are installed in the shell (1), the moving contact supports (4) can be driven to slide back and forth in the shell (1) in the rotating process of the driving mechanism (2), and the contact supports (4) can drive the two ends of the moving contacts (3) fixed on the moving contact supports to be connected with or separated from the corresponding upper fixed contacts (7), the contact wire inlet ends (5) and the corresponding wire outlet ends (6) in the back and forth sliding process of the contact supports (4) in the shell (1); the whole isolating switch is small in size in the width direction, low in cost and capable of solving the problem of insufficient space layout of complete equipment, and multiple isolating switches can be distributed in one switch cabinet, so that the cost of the switch cabinet is reduced; and the isolating switch which can be quickly switched off is arranged, so that the technical problem that the fuse is unsafe to operate in a loading mode is solved.

In the actual operation process, although the problem of insufficient space layout of complete equipment can be solved in the existing patent documents, a switch cabinet can be provided with a plurality of isolating switches, so that the cost of the switch cabinet is reduced; the isolating switches with the functions of quick disconnection solve the technical problem that the fuse is unsafe to operate with load, but the isolating switches are arranged in the A phase, the B phase and the C phase in the width direction in sequence, the size in the width direction is very large, the space requirement in the width direction during the installation of complete equipment cannot be met, the size of the trigger device is too large, the manufacturing cost is too high, and the convenience and the rapidness cannot be realized when a plurality of isolating switches are arranged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a modularized isolating switch fuse set aiming at the technical problem that the existing fuse type isolating switch has very large size in the width direction and cannot meet the space requirement of complete equipment in the width direction during installation. Meanwhile, the size of the width direction is reduced, the difficult problems that the space layout of the complete equipment is insufficient, and a plurality of isolating switches cannot be conveniently and quickly arranged are solved, a switch cabinet can be provided with a plurality of isolating switches, and the cost of the switch cabinet is reduced.

In order to achieve the above object, the present invention provides a modular isolating switch fuse set, which includes an isolating switch, a fuse set, an insulating member, and an insulating plate, wherein the isolating switch includes a first contact, a second contact, an isolating switch base, a mechanism assembly, and a square shaft. The mechanism assembly comprises an indicating piece, a torsion spring, a first connecting rod, a shaft sleeve, a second connecting rod and an operating shaft. The isolating switch base is provided with the slide rail, and the switch cabinet can be provided with a plurality of isolating switches conveniently and quickly, so that the cost of the switch cabinet is reduced.

Preferably, the indicating piece is installed at the upper left corner inside the isolating switch base and is matched with the sliding rail and can slide up and down, one end of the first connecting rod is rotatably connected with the shaft sleeve, the other end of the first connecting rod is rotatably connected with the operating shaft, one end of the second connecting rod is connected with the shaft sleeve, and the other end of the second connecting rod is connected with the square shaft. The operating shaft rotates to drive the first connecting rod to rotate, the first connecting rod drives the second connecting rod to rotate through the shaft sleeve, and the second connecting rod drives the square shaft to slide in the isolating switch base.

Preferably, one end of the torsion spring is arranged in the isolating switch base, and the other end of the torsion spring leans against the shaft sleeve to provide a force for moving the square shaft leftwards.

Preferably, first contact sets up in the inside top of isolator base, the square shaft sets up inside the isolator base and can slide, the second contact sets up on the square shaft, with the position one-to-one of first contact, the square shaft slides right, the second contact follows to slide and contact with first contact, is in the state of closing a floodgate this moment, the square shaft slides left, and the second contact separates with first contact, is in the state of separating brake this moment, when needs outage, only needs to cut off isolator through quick divide-shut mechanism to the security performance of switch has been improved.

Preferably, the mechanism assembly is mounted inside the base of the isolating switch.

Preferably, the fuse set comprises a fuse base, a fuse and a connecting plate.

Preferably, the connection plate is connected with a fuse, and the fuse is disposed inside the fuse holder.

Preferably, the insulating member is connected to an insulating plate, and the coupling plate is in contact with the first contact and disposed inside the insulating member and the insulating plate, so that the disconnecting switch and the fuse set are fixed and the circuit is protected.

The utility model has the advantages that:

the utility model provides a modular isolator fuse group, including isolator, fuse group, insulating part, insulation board, isolator width direction is less and the cost is lower, has solved the not enough difficult problem of complete sets spatial layout, and a cubical switchboard can lay many isolator and convenient and fast, has reduced the cost of cubical switchboard, when needs outage, only needs to cut off isolator through quick deciliter mechanism to the security performance of switch has been improved.

Drawings

FIG. 1 is an assembly view of a modular disconnect switch fuse block of the present invention;

FIG. 2 is a block diagram of a modular disconnect switch fuse pack of the present invention;

FIG. 3 is a block diagram of the mechanism components of the modular isolation switch fuse pack of the present invention;

FIG. 4 is a schematic diagram of a closing dead point of the mechanism assembly of the present invention;

FIG. 5 is a schematic view of the mechanism of the present invention;

fig. 6 is a distribution diagram of the isolating switch of the utility model.

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.

A modular isolation switch fuse block as shown in figures 1-3. The isolating switch comprises an isolating switch 1, a fuse group 2, an insulating part 3 and an insulating plate 4, wherein the isolating switch 1 comprises a first contact 11, a second contact 12, an isolating switch base 13, a mechanism assembly 14 and a square shaft 15. The mechanism assembly 14 includes an indicator 141, a torsion spring 142, a first link 143, a bushing 144, a second link 145, and an operating shaft 146. Be provided with slide rail 131 on the isolator base 13, indicator 141 installs at the inside upper left corner of isolator base 13 and slides from top to bottom with the slide rail 131 cooperation, torsional spring 142 one end sets up on isolator base 13 inner wall the other end leans on axle sleeve 144, provides the power that square shaft 15 moved left, first connecting rod 143 one end is rotated with axle sleeve 144 and is connected, and the other end is connected with operation axle 146, second connecting rod 145 one end is connected with axle sleeve 144, and the other end is connected with square shaft 15, rotates operation axle 146 and drives square shaft 15 horizontal slip. The first contact 11 is arranged inside the isolating switch base 13, the square shaft 15 is arranged inside the isolating switch base 13, the second contact 12 is arranged on the square shaft 15, and the mechanism assembly 14 is arranged inside the isolating switch base 13. Fuse group 2 includes fuse base 21, fuse 22, connecting plate 23 is connected with fuse 22, and fuse 22 sets up the inside at fuse base 21. The insulating member 3 is connected with the insulating plate 4, and the connecting plate 23 is in contact with the first contact 11 and is arranged inside the insulating member 3 and the insulating plate 4, so that the isolating switch 1 and the fuse set 2 are fixed, and the circuit is protected.

As shown in fig. 4-5, during the counterclockwise rotation of the operating shaft 146, the torsion spring 142 is compressed, and under the action of the torsion spring 142, the first connecting rod 143 is engaged with the second connecting rod 145 to drive the square shaft 15 to slide rightward; during the clockwise rotation of the operating shaft 146, the spring 142 is released, and the square shaft 14 is driven to slide leftward by the aid of the spring 142.

In the process that the square shaft 15 slides rightwards, the second contact 12 is in contact with the first contact 11, so that the isolating switch 1 is switched on; during the process of sliding the square shaft 15 to the left, the second contact 12 is separated from the first contact 11, so that the isolating switch 1 is switched off.

Due to the adoption of the structural layout, the first contact 11 and the second contact 12 of the isolating switch 1 are longitudinally distributed, so that the size of the isolating switch base 13 is reduced, a switch cabinet can be provided with a plurality of isolating switches 1 as shown in fig. 6, and the problem of insufficient space layout of complete equipment is solved.

The specific implementation method of the utility model comprises the following steps:

rotating the operating shaft 146 counterclockwise, the operating shaft 146 driving the first link 143 to rotate counterclockwise around the operating shaft 146, the first link 143 driving the second link 145 to rotate clockwise around the shaft sleeve 144, the second link 145 compressing the torsion spring 142 driving the square shaft 145 to slide rightward, the second contact 12 arranged on the square shaft 15 contacting with the first contact 11, so that the mechanism component 14 is at a closing dead point position, and the disconnector 1 is closed; the operating shaft 146 is rotated clockwise, the operating shaft 146 drives the first connecting rod 143 to rotate clockwise around the operating shaft 146, the first connecting rod 143 drives the second connecting rod 145 to rotate anticlockwise around the shaft sleeve 144, the second connecting rod 145 pulls the square shaft 15 to slide leftwards under the assistance of the torsion spring 142, the disconnecting switch 1 is switched off, then the fuse 22 is taken out of the fuse base 21, the two ends of the fuse 22 are powered off, and the safety during operation is guaranteed.

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 equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A modular isolation switch fuse bank, comprising: including isolator (1), fuse group (2), insulating part (3), insulation board (4), isolator (1) includes first contact (11), second contact (12), isolator base (13), mechanism subassembly (14), square shaft (15), mechanism subassembly (14) are including indicator (141), torsional spring (142), first connecting rod (143), axle sleeve (144), second connecting rod (145), operating axis (146), torsional spring (142) one end sets up on isolator base (13) inner wall the other end leans on axle sleeve (144), first connecting rod (143) one end is rotated with axle sleeve (144) and is connected, and the other end is connected with operating axis (146), second connecting rod (145) one end is connected with axle sleeve (144), and the other end is connected with square shaft (15).

2. The modular isolation switch fuse block of claim 1, wherein: the first contact (11) is arranged inside the isolating switch base (13), the square shaft (15) is arranged inside the isolating switch base (13), the second contact (12) is arranged on the square shaft (15), and the mechanism assembly (14) is arranged inside the isolating switch base (13).

3. The modular isolation switch fuse block of claim 1, wherein: fuse group (2) are including fuse base (21), fuse (22), connecting plate (23), second contact (12) and connecting plate (23) contact and set up in the inside of insulating part (3) and insulation board (4).

4. The modular isolation switch fuse block of claim 3, wherein: the connecting plate (23) is connected with the fuse (22), and the fuse (22) is arranged inside the fuse base (21).

5. The modular isolation switch fuse block of claim 1, wherein: the insulating piece (3) is connected with the insulating plate (4).

6. The modular isolation switch fuse block of claim 1, wherein: be provided with slide rail (131) on isolator base (13), indicator (141) are installed in the inside upper left corner of isolator base (13) and are connected with slide rail (131).

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