CN221040860U

CN221040860U - Disconnecting switch with copper-aluminum excessive wiring

Info

Publication number: CN221040860U
Application number: CN202322620104.XU
Authority: CN
Inventors: 陈张烽; 包启树; 李力军; 包志勇
Original assignee: Sinoeuro Electric Co ltd
Current assignee: Sinoeuro Electric Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-28
Anticipated expiration: 2033-09-26

Abstract

The utility model relates to the technical field of isolating switches, in particular to a copper-aluminum excessive wiring isolating switch which comprises a switch main body, wherein a cavity is arranged on the switch main body, one side of the cavity is provided with a fixed contact, the other side of the cavity is hinged with a conductive knife switch, one end of the fixed contact is connected with a second wire holder, one end of the conductive knife switch is connected with a first wire holder, a U-shaped block is fixedly arranged in the second wire holder, a V-shaped groove is formed in the U-shaped block, and a plurality of cushion blocks are fixedly arranged in the V-shaped groove. According to the isolating switch, the isolating switch is provided with the structure of the two wire holders, wherein the wire holder I of the wire outlet is made of copper, the wire holder II of the wire inlet is made of copper-aluminum composite structure, the U-shaped block used for being matched with the socket head cap screw for fixing is arranged in the wire holder II, the wire inlet is stably clamped and prevented from falling off, the insulating sleeve is arranged on the outer side of the wire holder of the isolating switch, exposed wires of the wire inlet are protected, short circuits are avoided, and the safety of wire connection and use is improved.

Description

Disconnecting switch with copper-aluminum excessive wiring

Technical Field

The utility model relates to the technical field of isolating switches, in particular to a packaging film pressing device.

Background

The isolating switch is used for isolating a power supply, switching operation and connecting and disconnecting a small current loop, and has no arc extinguishing function.

In the prior art, the application number is as follows: 202022176443X is disclosed by the name: an isolating switch with multiple wire frames comprises a shell, a fixed contact arranged in the shell, and a moving contact assembly which is rotatably arranged on the shell and contacted with or separated from the fixed contact, wherein one end of the shell is provided with at least one wire frame structure connected with the moving contact assembly, and the other end of the shell is provided with at least one wire frame structure connected with the fixed contact.

However, in the prior art, the application number is as follows: 202022176443X, wherein the wire frame structure is in the wiring process, the circuit is fixed infirm, the circuit is easy to drop, and after the circuit wire is inserted into the wire frame, part of the wire is exposed outside the isolating switch, so that the leakage short circuit can be caused without treatment, and the safety is affected.

Disclosure of utility model

The utility model aims to provide a disconnecting switch with copper-aluminum excessive wiring so as to solve the problems in the prior art.

The aim of the utility model can be achieved by the following technical scheme:

The utility model provides an isolator of excessive wiring of copper aluminium, isolator includes the switch main part, be equipped with the cavity on the switch main part, one side of cavity is equipped with the stationary contact, and the opposite side articulates there is electrically conductive plug-in strip.

One end of the static contact is connected with a second wire holder, one end of the conductive switch blade is connected with a first wire holder, a U-shaped block is fixedly arranged in the second wire holder, a V-shaped groove for connecting a circuit wire is formed in the U-shaped block, and a plurality of anti-skidding cushion blocks are fixedly arranged in the V-shaped groove.

Preferably, one end of the conductive knife switch, which is far away from the first wire holder, is connected and communicated with the fixed contact, the first wire holder and the second wire holder are both screwed with inner hexagon bolts, one side of the second wire holder is welded with the fixed contact, and one end of the first wire holder is provided with a first wire hole.

Preferably, the first wire holder is of a copper integrated structure, the second wire holder comprises a first conductive part positioned inside and a second conductive part positioned outside, a second wire hole is formed in the first conductive part, the first conductive part is made of aluminum, and the second conductive part is made of copper.

Preferably, the two sides of the second wire holder are provided with pin grooves, the two sides of the first conductive part are fixedly provided with pin blocks, the pin blocks are matched with the pin grooves, and one end, far away from the fixed contact, of the second wire holder is connected with an insulating sleeve.

Preferably, the second wire holder is internally provided with a mounting groove for mounting the U-shaped block, and connecting blocks are fastened on two sides of the U-shaped block.

Preferably, locking bars for fixing the U-shaped blocks are fixedly connected to two sides of the mounting groove, the connecting blocks are matched with the locking bars, stop blocks for fixing the ends of the lines are fixedly arranged in the wiring holes II, a plurality of fixing grooves are formed in the wiring Kong Erna, conductive protruding rods are arranged in the fixing grooves, and the conductive protruding rods are used for being connected to metal wires of the wires.

The utility model has the beneficial effects that:

1. The isolating switch is provided with a structure of two wire holders, wherein the wire holder I of an outgoing wire is made of copper, the wire holder II of the incoming wire is made of copper-aluminum composite structure, and a U-shaped block used for being matched with an inner hexagon bolt for fixing is arranged in the wire holder II, so that the wire is stably clamped, and the falling of the wire is prevented;

2. According to the isolating switch, the insulating sleeve is arranged on the outer side of the wiring seat of the isolating switch, the exposed metal wires of the incoming wires are protected, short circuits are avoided, wiring and using safety are improved, and the isolating switch is good in using stability and high in safety.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic cross-sectional view of an isolating switch of the present utility model;

FIG. 2 is a schematic view of two parts of the structure of the wire holder of the present utility model;

FIG. 3 is a schematic view of a second structure of the wire holder of the present utility model;

FIG. 4 is a cross-sectional view of a second wire holder of the present utility model;

FIG. 5 is a schematic view of the internal structure of a second wire holder of the present utility model;

fig. 6 is a partial structural sectional view of the second wire holder of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a isolator of excessive wiring of copper aluminium, as shown in fig. 1, fig. 2, isolator includes switch body 1, be equipped with the cavity on the switch body 1, one side of cavity is equipped with static contact 24, the opposite side rotates and is equipped with conductive knife switch 23, conductive knife switch 23 connects on the inner wall of switch body 1 with articulated mode, conductive knife switch 23's the other end sets up with static contact 24 relatively, be provided with the wire holder subassembly in the cavity, the wire holder subassembly includes wire holder one 21, wire holder two 25 and hexagon socket head cap screw 22, hexagon socket head cap screw 22 cooperates with wire holder one 21, wire holder two 25 respectively.

One side of the second wiring seat 25 is welded and fixed with the fixed contact 24, and when the switch is closed, the disconnecting switch deflector rod is controlled, the deflector rod is connected with the conductive switch blade 23 through the bending rod, and the conductive switch blade 23 is driven to swing towards the fixed contact 24 through the deflector rod to be in abutting connection.

One end of the first wire holder 21 is provided with a first wire hole 211 for connecting an outgoing wire.

The first wire holder 21 is integrally manufactured and formed by adopting copper materials, and when wires are connected, metal wires of the wires are placed in the first wire hole 211, and the wires are pressed by rotating the inner hexagon bolts 22; the second wire holder 25 is made of a copper-aluminum composite material, the inside of the second wire holder 25 is a first conductive part 252, the outside is a second conductive part 253, and a second wire hole 251 is formed in the first conductive part 252 and used for connecting a wire inlet line.

The first conductive part 252 is located inside the second conductive part 253, the first conductive part 252 is an aluminum conductive part, the second conductive part 253 is a copper conductive part, and when the wires are connected, the wires of the wires are placed in the second wiring hole 251, and the wires are pressed by rotating the socket head cap bolts 22.

As shown in fig. 3-6, pin grooves 254 are formed on two sides of the second wire holder 25, the pin grooves 254 penetrate through the second conductive portion 253, pin blocks 255 are fixedly arranged on two sides of the first conductive portion 252, the pin blocks 255 are matched with the pin grooves 254, one end of the second wire holder 25 is connected with the fixed contact 24, a threaded hole is formed in the other end of the second wire holder, an insulating sleeve 3 is connected to the threaded hole, the insulating sleeve 3 is sleeved on a wire and used for wrapping a metal wire, and the metal wire of the terminal is prevented from being exposed to cause electric leakage.

The second wiring seat 25 is internally provided with a mounting groove, two sides of the mounting groove are fixedly provided with lock rods 256, a U-shaped block 4,U is fixedly arranged in the mounting groove, a U-shaped block 4 is positioned at the corresponding position of the inner hexagon bolt 22, a V-shaped groove is formed in the U-shaped block 4, a plurality of cushion blocks 41 are fixedly arranged in the V-shaped groove, the cushion blocks 41 are used for preventing metal wires in the V-shaped groove from slipping, two sides of the U-shaped block 4 are fixedly provided with connecting blocks 42, and the connecting blocks 42 are matched with the lock rods 256 to fix the U-shaped block 4.

And a stop block 257 is fixedly arranged at one end, close to the fixed contact 24, in the second wiring hole 251 and used for blocking the end part of the lead, preventing the lead from being inserted into the cavity, a plurality of fixing grooves 258 are formed in the inner wall of the second wiring hole 251, conductive protruding rods 259 are arranged in the fixing grooves 258, and the conductive protruding rods 259 are bent and abutted on metal wires of the lead and used for guiding current and conducting the current to the first conductive part 252.

In the practical use process, after the insulating layer on the wire inlet line is removed, the wire is inserted into the insulating sleeve 3, the insulating sleeve 3 is screwed into the threaded hole, the wire is extended into the second wiring hole 251, the end part of the wire is abutted against the stop block 257, the wire insertion length is limited, the wire is positioned on the V-shaped groove, the hexagon socket head cap screw 22 is screwed into and abutted against one side of the wire, the wire is fixed in the V-shaped groove, and the circular and flat line type lines can be fixed.

The circuit is located inside the second wire holder 25 and is firmly locked, the incoming wire is prevented from falling off, the length of the incoming wire is controllable, the length of the incoming wire is prevented from exceeding the length of the second wire holder 25, and potential safety hazards of electric leakage exist.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The isolating switch with copper-aluminum excessive wiring comprises a switch main body (1), and is characterized in that a cavity is arranged on the switch main body (1), one side of the cavity is provided with a fixed contact (24), and the other side of the cavity is hinged with a conductive knife switch (23);

One end of the fixed contact (24) is connected with a second wire holder (25), one end of the conductive knife switch (23) is connected with a first wire holder (21), a U-shaped block (4) is fixedly arranged in the second wire holder (25), a V-shaped groove for connecting a circuit wire is formed in the U-shaped block (4), and a plurality of anti-skidding cushion blocks (41) are fixedly arranged in the V-shaped groove.

2. The copper-aluminum excessive wiring disconnecting switch according to claim 1, wherein one end of the conductive knife switch (23) far away from the first wire holder (21) is connected and conducted with the fixed contact (24), the first wire holder (21) and the second wire holder (25) are both screwed with an inner hexagon bolt (22), one side of the second wire holder (25) is welded with the fixed contact (24), and one end of the first wire holder (21) is provided with a first wire hole (211).

3. The copper-aluminum excessive wiring disconnecting switch according to claim 2, wherein the first wire holder (21) is an integrally formed copper structure, the second wire holder (25) comprises a first conductive part (252) located inside and a second conductive part (253) located outside, the first conductive part (252) is internally provided with a second wire hole (251), the first conductive part (252) is made of aluminum, and the second conductive part (253) is made of copper.

4. A copper-aluminum excessive wiring disconnecting switch according to claim 3, characterized in that pin grooves (254) are formed in two sides of the second wiring seat (25), pin blocks (255) are fixedly arranged in two sides of the first conductive part (252), the pin blocks (255) are matched with the pin grooves (254), and an insulating sleeve (3) is connected to one end, far away from the fixed contact (24), of the second wiring seat (25).

5. The copper-aluminum excessive wiring disconnecting switch according to claim 2, wherein a mounting groove for mounting the U-shaped block (4) is formed in the second wiring seat (25), and connecting blocks (42) are fastened on two sides of the U-shaped block (4).

6. The copper-aluminum excessive wiring disconnecting switch according to claim 5, wherein locking bars (256) for fixing the U-shaped blocks (4) are fixedly connected to two sides of the mounting groove, the connecting blocks (42) are matched with the locking bars (256), stop blocks (257) for fixing the end parts of the wires are fixedly arranged in the wiring holes II (251), a plurality of fixing grooves (258) are formed in the wiring holes II (251), conductive protruding rods (259) are arranged in the fixing grooves (258), and the conductive protruding rods (259) are used for being connected to metal wires of wires.