CN219321288U

CN219321288U - Low resistance self-restoring fuse

Info

Publication number: CN219321288U
Application number: CN202223026970.8U
Authority: CN
Inventors: 余洋
Original assignee: Wuhan Yanfeng Technology Co Ltd
Current assignee: Wuhan Yanfeng Technology Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-07-07
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a low-resistance self-recovery fuse which comprises a mounting main body, wherein an insulator is fixedly connected to an inner cavity of the mounting main body, a pulling mechanism is movably arranged at the top of the mounting main body, a pulling insert is fixedly connected to the bottom of the insulator, and a display mechanism is arranged in the inner cavity of the pulling insert. According to the utility model, the fuse is convenient to disassemble and assemble by pulling the plate, the connecting plate, the inserting rod, the plastic sheet, the mounting frame and the plastic clamping block, so that tools are not required to be used when the fuse is disassembled and assembled, and the fuse can be disassembled or assembled quickly, so that the practicability of the fuse is improved, the state of the fuse can be displayed by the cooperation of the connecting sheet, the first connecting wire, the resistor, the second connecting wire, the display lamp and the third connecting wire, and when the fuse breaks down, the fuse can be timely disassembled and assembled, and a worker can replace the fuse quickly.

Description

Low resistance self-restoring fuse

Technical Field

The utility model relates to the technical field of self-restoring fuses, in particular to a low-resistance self-restoring fuse.

Background

The self-restoring fuse is one kind of overcurrent protecting element, which is produced through adding conducting particle material into organic polymer under high pressure and high temperature and in the condition of sulfurizing reaction, and through special technological process, the protection can be performed once, the replacement is needed after the blowing, the self-recovery fuse has the double functions of overcurrent and overheat protection and automatic recovery, and the self-recovery fuse can be used for protecting equipment in the use process of part of electronic equipment.

The utility model patent of patent application publication No. CN113314285A discloses a self-recovery fuse, the on-line screen storage device comprises a base, self-recovery fuse body and a heat dissipation cover, the inside level of base runs through and installs the guide block, threaded hole has all been seted up at the guide block both ends, threaded hole internal thread connection has the fixed screw, the fixture block is all fixed to the base both sides, a plurality of sockets have been seted up to the base up end, a plurality of draw-in grooves have been seted up to the guide block up end, self-recovery fuse body passes socket and draw-in groove each other block, the equal fixed mounting in heat dissipation cover both sides bottom has the buckle, buckle and the mutual block each other block, the equal fixed mounting in heat dissipation cover inside both sides has the fin, the equal fixed mounting in bottom center department of heat dissipation cover up end inlays to be installed a pair of fan, motor upper end output shaft all is equipped with the flabellum, this kind of self-recovery fuse, simple structure is reasonable, novel design, it is simple and convenient to operate, can effectually improve the radiating effect of self-recovery fuse, and high practical value.

However, the device still has some drawbacks in practical use, and obviously, when the fuse is plugged, the fuse is generally required to be installed through a tool, so that when the fuse fails, a worker needs to carry a special tool to replace the fuse, and when the fuse fails, the worker needs to use special equipment to determine whether the fuse fails, so that inconvenience is brought to the worker easily, and the practicability of the fuse is reduced.

Therefore, it is necessary to invent a low resistance self-restoring fuse to solve the above problems.

Disclosure of Invention

The utility model aims to provide a low-resistance self-recovery fuse, which has the advantages of being convenient for disassembling and assembling the fuse and displaying the working state of the fuse, and solves the problem that a worker usually needs to use professional equipment to determine whether the fuse fails or not by installing the fuse through a tool.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the low-resistance self-recovery fuse comprises an installation main body, wherein an insulator is fixedly connected to an inner cavity of the installation main body, a pulling mechanism is movably arranged at the top of the installation main body, a pulling insert is fixedly connected to the bottom of the insulator, and a display mechanism is arranged in the inner cavity of the pulling insert.

Preferably, the pulling mechanism comprises a connecting block, connecting block movable mounting is in the top of installation main part, the pulling board is installed through the pivot at the top of connecting block, the equal fixedly connected with connecting plate in front and back both sides of connecting block, the equal fixedly connected with in both sides of connecting plate bottom inserts the movable rod, the equal fixedly connected with installing frame in front and back both sides of installation main part, the equal fixedly connected with plastics fixture block in both sides of installing frame inner chamber, the equal fixedly connected with pulling plastic sheet in both sides of inserting the movable rod.

Preferably, the display mechanism comprises two connecting sheets, the bottom of each connecting sheet is fixedly connected with the pulling-out sheet, the top of each connecting sheet is fixedly connected with a first connecting wire, the top of each first connecting wire is fixedly connected with a resistor, the top of each resistor is fixedly connected with a second connecting wire, and the top of each second connecting wire is fixedly connected with a display lamp.

Preferably, the number of the display lamps is two, and a third connecting wire is fixedly connected to one side of the two display lamps opposite to each other.

Preferably, the number of the mounting frames is four, and the surface of the pulling plate is fixedly connected with a pulling block.

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

1. according to the utility model, the fuse is convenient to disassemble and assemble by pulling the plate, the connecting plate, the inserting rod, the plastic sheet, the mounting frame and the plastic clamping block, so that a tool is not required to be used when the fuse is disassembled and assembled, and the fuse can be disassembled or mounted rapidly, so that the practicability of the fuse is improved.

2. According to the utility model, the states of the fuse can be displayed through the matching of the connecting sheet, the first connecting wire, the resistor, the second connecting wire, the display lamp and the third connecting wire, so that the fuse can be timely replaced when the fuse fails, and a worker can quickly replace the fuse.

Drawings

FIG. 1 is a perspective view of the structure of the present utility model;

FIG. 2 is a cutaway exploded perspective view of the pulling mechanism of the present utility model;

FIG. 3 is a perspective view of a display mechanism of the present utility model;

fig. 4 is a schematic diagram of a circuit of a display mechanism according to the present utility model.

In the figure: the device comprises a mounting main body 1, an insulator 2, a pulling mechanism 3, a pulling insert 4, a display mechanism 5, a connecting block 6, a pulling plate 7, a connecting plate 8, a pulling rod 9, a pulling plastic sheet 10, a mounting frame 11, a plastic clamping block 12, a connecting sheet 13, a first connecting wire 14, a resistor 15, a second connecting wire 16, a display lamp 17 and a third connecting wire 18.

Detailed Description

Referring to fig. 1-4, the low-resistance self-recovery fuse comprises a mounting main body 1, wherein an insulator 2 is fixedly connected to an inner cavity of the mounting main body 1, a pulling mechanism 3 is movably arranged at the top of the mounting main body 1, a pulling insert 4 is fixedly connected to the bottom of the insulator 2, a display mechanism 5 is arranged in the inner cavity of the pulling insert 4, a user can conveniently install the fuse on a fuse box through the pulling insert 4, meanwhile, current can be guided, and a wire can be protected through the insulator 2, so that accidents can be prevented.

The pulling mechanism 3 comprises a connecting block 6, the connecting block 6 is movably mounted at the top of the installation main body 1, a pulling plate 7 is mounted at the top of the connecting block 6 through a rotating shaft, connecting plates 8 are fixedly connected to the front side and the rear side of the connecting block 6, inserting rods 9 are fixedly connected to the two sides of the bottom of the connecting plates 8, installation frames 11 are fixedly connected to the front side and the rear side of the installation main body 1, plastic clamping blocks 12 are fixedly connected to the two sides of the inner cavity of each installation frame 11, plastic sheets 10 are fixedly connected to the two sides of each inserting rod 9, the connecting plates 8 are arranged to facilitate the installation of the inserting rods 9, meanwhile, the connecting blocks 6 drive the inserting rods 9 to move, the installation frames 11 are arranged to facilitate the installation of the plastic clamping blocks 12, and meanwhile, the plastic clamping blocks 12 drive the installation main body 1 to move.

The display mechanism 5 comprises two connecting pieces 13, the number of the connecting pieces 13 is two, the bottom of each connecting piece 13 is fixedly connected with the pulling-out piece 4, the top of each connecting piece 13 is fixedly connected with a first connecting wire 14, the top of each first connecting wire 14 is fixedly connected with a resistor 15, the top of each resistor 15 is fixedly connected with a second connecting wire 16, and the top of each second connecting wire 16 is fixedly connected with a display lamp 17.

The number of the display lamps 17 is two, and a third connecting wire 18 is fixedly connected to the opposite side of the two display lamps 17.

The number of the installation frames 11 is four, the surface of the pulling plate 7 is fixedly connected with a pulling block, and a user can conveniently pull the pulling plate 7 by arranging the pulling block, so that the user can pull the connecting block 6 through the pulling plate 7.

The resistor 15 is generally referred to as a resistor directly in daily life, and is a current limiting element, the resistance value of the resistor 15 is generally related to temperature, material, length and cross-sectional area, the physical quantity for measuring the influence of temperature on the resistor is a temperature coefficient, the main physical characteristic of the resistor is that the resistor is changed into heat energy, so to speak, the resistor is an energy dissipation element, the current passes through the resistor to generate internal energy, the resistor generally plays roles of voltage division and current division in a circuit, and for signals, alternating current and direct current signals can pass through the resistor.

During the use, the user drives connecting plate 8 through connecting block 6 earlier and removes, make connecting plate 8 can drive plug rod 9 and remove, plug rod 9 drives pulling plastic piece 10 when removing and removes, until plug rod 9 drives pulling plastic piece 10 and inserts in installing frame 11, after the installation to pulling mechanism 3 is accomplished, the user inserts pulling tab 4 into the fuse box through installing main part 1, make the fuse can work, when the fuse works, pull tab 4 passes through connecting piece 13 with the electric current leading-in first connecting wire 14, then first connecting wire 14 carries out resistance work through resistor 15, then resistor 15 rethread second connecting wire 16 will electric current leading-in display lamp 17, after the completion, display lamp 17 on the right side will electric current reintroduce pulling tab 4, make electric current can circulate, so that two display lamps 17 can be lighted, so as to show the operating condition of fuse, if the fuse breaks down, user can pull plate 7 through installing main part 1 and remove the connecting block 6 through the second connecting wire 16 and carry out resistance work through the electric current leading-in display lamp 17, after that display lamp 17 will electric current leading-in display lamp 17 through third connecting wire 18 will electric current leading-in display lamp 17 on right side, after completion, so that display lamp 17 can be circulated in pulling tab 4 through installing main part 1, so that if the electric current can be carried out by the display lamp 7 through the display lamp 1 when the connecting plate 1, can be carried out the installation to the connecting block 1 through the connecting plate 1.

To sum up: this low resistance self-restoring fuse uses through connecting block 6, pulling plate 7, connecting plate 8, plug-in pole 9, pulling plastic sheet 10, installing frame 11, plastics fixture block 12, connection piece 13, resistor 15 and the cooperation of display lamp 17, has solved and generally needs to install the fuse through the instrument, also generally needs the staff to use professional equipment just can confirm the problem that whether the fuse breaks down.

Claims

1. The utility model provides a low resistance self-restoring fuse, includes installation main part (1), its characterized in that: the novel electric cable connector is characterized in that an insulator (2) is fixedly connected to an inner cavity of the installation main body (1), a pulling mechanism (3) is movably arranged at the top of the installation main body (1), a pulling insert (4) is fixedly connected to the bottom of the insulator (2), and a display mechanism (5) is arranged in the inner cavity of the pulling insert (4).

2. The low resistance self-healing fuse according to claim 1, wherein: pulling mechanism (3) are including connecting block (6), connecting block (6) movable mounting is in the top of installation main part (1), pulling plate (7) are installed through the pivot at the top of connecting block (6), the equal fixedly connected with connecting plate (8) of both sides around connecting block (6), the equal fixedly connected with of both sides of connecting plate (8) bottom inserts movable rod (9), the equal fixedly connected with installing frame (11) of both sides around installation main part (1), the equal fixedly connected with plastics fixture block (12) in both sides of installing frame (11) inner chamber, the equal fixedly connected with pulling plastic sheet (10) of both sides of inserting movable rod (9).

3. The low resistance self-healing fuse according to claim 1, wherein: the display mechanism (5) comprises two connecting pieces (13), wherein the number of the connecting pieces (13) is two, the bottom of each connecting piece (13) is fixedly connected with a pulling-out piece (4), the top of each connecting piece (13) is fixedly connected with a first connecting wire (14), the top of each first connecting wire (14) is fixedly connected with a resistor (15), the top of each resistor (15) is fixedly connected with a second connecting wire (16), and the top of each second connecting wire (16) is fixedly connected with a display lamp (17).

4. A low resistance self-healing fuse according to claim 3, wherein: the number of the display lamps (17) is two, and a third connecting wire (18) is fixedly connected to one side, opposite to the two display lamps (17).

5. The low resistance self-healing fuse according to claim 2, wherein: the number of the mounting frames (11) is four, and the surface of the pulling plate (7) is fixedly connected with pulling blocks.