CN219892138U

CN219892138U - Fuse convenient to dismouting is changed

Info

Publication number: CN219892138U
Application number: CN202321025829.8U
Authority: CN
Inventors: 张大为
Original assignee: Changzhou Duole Logo Co ltd
Current assignee: Changzhou Duole Logo Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-10-24
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a fuse convenient to assemble, disassemble and replace, relating to the technical field of fuses, comprising: ceramic base, wiring end, fuse-element, porcelain cap, glass piece and L type piece, the inside through-connection of ceramic base has the wiring end, the inside fuse-element that has placed of ceramic base, the fuse-element top is provided with the porcelain cap, this fuse that is convenient for dismouting and change, the action of fuse is realized by the fusing of fuse-element, thereby can protect equipment, it needs to change the fuse-element after the fuse-element fusing generally, traditional mode of dismantling the porcelain cap is comparatively troublesome, can drive the fixture block and remove when the movable block removes, can make the spring shrink when the fixture block tip is complete from the inside pulling of draw-in groove, can drive L type piece and remove when the porcelain cap removes, make the glass piece more stable on the porcelain cap, be difficult for not hard up, the fuse of being convenient for can make the glass piece put more stably through the protective cover in the in-process of using.

Description

Fuse convenient to dismouting is changed

Technical Field

The utility model relates to the technical field of fuses, in particular to a fuse convenient to assemble, disassemble and replace.

Background

The fuse is an electric appliance which fuses a melt by heat generated by the fuse when the current exceeds a specified value to break a circuit, and the current protector manufactured by the principle is widely applied to high-low voltage distribution systems, control systems and electric equipment, and has certain defects when the conventional fuse is used;

in the prior art, the fuse uses a metal conductor as a melt to be connected in series in a circuit, when overload or short-circuit current passes through the melt, the fuse fuses due to self heating, so that an electric appliance for breaking the circuit is usually a disposable product, the melt needs to be replaced after the melt is fused, so that the material cost is saved, the traditional replacement mode needs to rotate the screw thread of the porcelain cap, the screw thread sliding distance between the porcelain cap and the ceramic base is longer, the replacement mode takes longer time, and the periodic maintenance is not facilitated.

Disclosure of Invention

The utility model aims to provide a fuse which is convenient to disassemble, assemble and replace, so as to solve the problem that the fuse in the current market proposed by the background technology cannot be quickly replaced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fuse for facilitating disassembly and replacement, comprising: ceramic base, wiring end, fuse-element, ceramic cap, glass piece and L type piece, the inside through-connection of ceramic base has the wiring end, the inside fuse-element of having placed of ceramic base, the fuse-element top is provided with the ceramic cap, glass piece has been placed to the ceramic cap inside, L type piece, fixes the outside of ceramic cap, the draw-in groove has been seted up to L type piece inboard, the outside of ceramic base is fixed with the fixed block, fixed block internally connected has the spring, spring one end is connected with the fixture block, the movable block is installed to the fixture block bottom.

Preferably, a clamping structure is formed between the clamping block and the L-shaped block through a clamping groove.

Preferably, a sliding connection is formed between the movable block and the fixed block.

Preferably, the top of the porcelain cap is provided with a protective cover.

Preferably, the bottom of the protective cover is fixed with a connecting block, and the bottom end of the connecting block is adhered with a rubber ball.

Preferably, the bottom of the protective cover is fixed with an insert block, and rubber blocks are adhered to two sides of the insert block.

Compared with the prior art, the utility model has the beneficial effects that: this fuse convenient to dismouting is changed, the action of fuse is realized by the fusing of fuse-element, thereby can protect equipment, it is usually necessary to change the fuse-element after the fuse-element melts, traditional mode of dismantling the porcelain cap is comparatively troublesome, can drive the fixture block when the movable block removes, can make the spring shrink when the fixture block removes, can pull the porcelain cap when the fixture block tip is complete from the inside roll-off of draw-in groove, can drive L type piece when the porcelain cap removes, make the glass piece more stable on the porcelain cap, difficult not hard up, the fuse of being convenient for can make the glass piece put more stable through the protective cover in the in-process of using.

1. The action of fuse is realized by the fusing of fuse-element to can protect equipment, need change the fuse-element after the fuse-element fusing generally, traditional mode of dismantling the porcelain cap is comparatively troublesome, can drive the fixture block and remove when the movable block removes, can make the spring shrink when the fixture block removes, can stimulate the porcelain cap when the fixture block tip is complete from the inside roll-off of draw-in groove, can drive L type piece and remove when the porcelain cap removes, can change the operation to the fuse-element when the porcelain cap is complete from the inside roll-off of ceramic base, the fuse of being convenient for can dismantle the porcelain cap fast in the in-process of using.

2. The selection of the fuse mainly selects the type of the fuse according to the protection characteristic of the load and the size of the short-circuit current, the glass sheet can observe whether the melt is fused, and the glass sheet is limited by a small section of iron wire, so that the glass sheet is easy to loose and unstable in the process of taking, mounting and using, the insert block can be driven to move when the protective cover moves, the rubber block can be driven to move when the insert block moves, the insert block and the rubber block can move to the inside of the porcelain cap when the protective cover moves to the surface of the top of the porcelain cap, the rubber block can enable the protective cover not to fall easily, meanwhile, the rubber ball at the bottom of the connecting block can squeeze the glass sheet, so that the glass sheet is more stable on the porcelain cap and difficult to loose, and the fuse can be placed more stably through the protective cover in the use process.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic view of the front view of the present utility model;

FIG. 3 is a schematic view of a front cut-away structure of a fixing block according to the present utility model;

fig. 4 is a schematic view of a front view of a protective cover according to the present utility model.

In the figure: 1. a ceramic base; 2. a terminal; 3. a melt; 4. porcelain cap; 5. a glass sheet; 6. an L-shaped block; 7. a clamping groove; 8. a fixed block; 9. a spring; 10. a clamping block; 11. a moving block; 12. a protective cover; 13. a connecting block; 14. rubber balls; 15. inserting blocks; 16. rubber blocks.

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.

Referring to fig. 1-4, the present utility model provides a technical solution: a fuse for facilitating disassembly and replacement, comprising: ceramic base 1, wiring end 2, fuse-element 3, ceramic cap 4, glass piece 5 and L type piece 6, the inside through-connection of ceramic base 1 has wiring end 2, the fuse-element 3 has been placed to ceramic base 1 inside, fuse-element 3 top is provided with ceramic cap 4, glass piece 5,L type piece 6 has been placed to ceramic cap 4 inside, fix in the outside of ceramic cap 4, draw-in groove 7 has been seted up to L type piece 6 inboard, the outside of ceramic base 1 is fixed with fixed block 8, fixed block 8 internally connected with spring 9, spring 9 one end is connected with fixture block 10, movable block 11 is installed to the fixture block 10 bottom, constitute the block structure through draw-in groove 7 between fixture block 10 and the L type piece 6, constitute sliding connection between movable block 11 and the fixed block 8.

During concrete implementation, the action of the fuse is realized by fusing the melt 3, thereby the equipment can be protected, the melt 3 needs to be replaced after the melt 3 is fused, the traditional mode of disassembling the porcelain cap 4 is more troublesome and can not be used for quickly replacing, two groups of moving blocks 11 can be pressed in opposite directions, the moving blocks 11 can drive the clamping blocks 10 to move when moving, the springs 9 can be contracted when the clamping blocks 10 move, the clamping blocks 10 can slide through the clamping grooves 7, when the end parts of the clamping blocks 10 completely slide out from the inside of the clamping grooves 7, the porcelain cap 4 can be pulled, the L-shaped blocks 6 can be driven to move when the porcelain cap 4 completely slides out from the inside of the ceramic base 1, and the melt 3 can be replaced when the porcelain cap 4 completely slides out from the inside of the ceramic base 1.

Referring to fig. 1, 2 and 3, it can be seen that the fuse can be quickly disassembled from the porcelain cap 4 during use.

Referring to fig. 1, 2 and 4, it can be seen that a protecting cover 12 is provided at the top of the porcelain cap 4, a connecting block 13 is fixed at the bottom of the protecting cover 12, a rubber ball 14 is adhered to the bottom end of the connecting block 13, an insert 15 is fixed at the bottom of the protecting cover 12, rubber blocks 16 are adhered to two sides of the insert 15, and the protecting cover 12 is made of transparent plastic.

In specific implementation, the fuse is selected mainly according to the protection characteristic of the load and the size of the short-circuit current, the glass sheet 5 can observe whether the melt 3 is fused, the glass sheet 5 is limited by a small section of iron wire, the glass sheet 5 is easy to loose and unstable in the process of taking, mounting and using, the protective cover 12 can be pushed to move, the protective cover 12 is made of transparent plastic, the insert block 15 can be driven to move when the protective cover 12 moves, the rubber block 16 can be driven to move when the insert block 15 moves, when the protective cover 12 moves to the top surface of the porcelain cap 4, the insert block 15 and the rubber block 16 can move to the inside of the porcelain cap 4, the rubber block 16 can generate extrusion deformation, the rubber block 16 can enable the protective cover 12 not to easily fall off, and meanwhile, the rubber ball 14 at the bottom of the connecting block 13 can squeeze the glass sheet 5, so that the glass sheet 5 is more stable on the porcelain cap 4 and not easy to loose.

Referring to fig. 1, 2 and 4, the fuse can be more stably placed on the glass sheet 5 through the protective cover 12 during use.

In summary, when the fuse which is convenient to be assembled, disassembled and replaced is used, the fuse melts the melt 3 by the heat generated by the fuse after the current exceeds a specified value for a period of time, so that the circuit is disconnected; the fuse of the current protector manufactured by the principle is the prior art, not described too much, the melt 3 can be replaced quickly by quickly disassembling the porcelain cap 4, the glass sheet 5 can be placed on the porcelain cap 4 more stably by the protective cover 12, and loose falling is not easy to occur.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A fuse for facilitating disassembly and replacement, comprising: the ceramic base (1), the wiring terminal (2), the melt (3), the porcelain cap (4), the glass sheet (5) and the L-shaped block (6) are characterized in that;

the ceramic base (1) is internally and penetratingly connected with a wiring terminal (2), a melt (3) is arranged in the ceramic base (1), a ceramic cap (4) is arranged above the melt (3), and a glass sheet (5) is arranged in the ceramic cap (4);

l type piece (6) are fixed the outside of porcelain cap (4), draw-in groove (7) have been seted up to L type piece (6) inboard, the outside of ceramic base (1) is fixed with fixed block (8), fixed block (8) internal connection has spring (9), spring (9) one end is connected with fixture block (10), movable block (11) are installed to fixture block (10) bottom.

2. The fuse of claim 1 for easy removal and replacement, wherein: the clamping block (10) and the L-shaped block (6) form a clamping structure through a clamping groove (7).

3. The fuse of claim 1 for easy removal and replacement, wherein: the movable block (11) and the fixed block (8) form sliding connection.

4. The fuse of claim 1 for easy removal and replacement, wherein: the top of the porcelain cap (4) is provided with a protective cover (12).

5. The fuse of claim 4 for easy removal and replacement, wherein: the bottom of the protective cover (12) is fixedly provided with a connecting block (13), and the bottom end of the connecting block (13) is adhered with a rubber ball (14).

6. The fuse of claim 5 for easy removal and replacement, wherein: the bottom of the protective cover (12) is fixedly provided with an inserting block (15), and rubber blocks (16) are adhered to two sides of the inserting block (15).