Fuse convenient to overhaul

By incorporating a metal handle and magnetic strip structure into the ceramic fuse body, the problem of requiring tools for disassembly of existing fuses is solved, enabling convenient installation and disassembly while saving space.

CN224232634UActive Publication Date: 2026-05-12JIANGXI LEIERDUNWEI ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI LEIERDUNWEI ELECTRIC CO LTD
Filing Date
2025-05-15
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

Existing fuses require external tools for installation or removal, making them inconvenient to operate.

Method used

A fuse designed for easy maintenance is used, which has a ceramic fuse body with a metal handle and magnetic strip structure. The metal handle is rotatably connected to the inner wall of the movable slot, and can be disassembled or installed by holding the metal handle.

Benefits of technology

The fuse can be easily removed or installed without the need for external tools, and the metal handle can be folded to save space when not in use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224232634U_ABST
    Figure CN224232634U_ABST
Patent Text Reader

Abstract

The utility model discloses a fuse convenient to overhaul, which relates to the technical field of fuses and comprises a ceramic fuse body, a metal top plate and a fixing block, the fixing block is vertically fixed at the top of the metal top plate, the metal top plate is vertically mounted at the top of the ceramic fuse body, and the metal top plate is vertically mounted at the top of the ceramic fuse body. A movable notch is horizontally formed in the front face of the ceramic fuse body, a metal handle is horizontally distributed in the movable notch, and the two ends of the metal handle are rotationally connected to the upper side and the lower side of the inner wall of the movable notch. According to the utility model, by arranging the handheld structure of the fuse, the metal handle is directly arranged on the ceramic fuse body, a user can disassemble or assemble the ceramic fuse body without the help of an external tool, and meanwhile, the metal handle is arranged to be a rotating structure, so that when the user does not use the metal handle, the ceramic fuse body can be disassembled or assembled conveniently. The foldable fuse can be folded to save the occupied space of the whole fuse, is different from the existing fuse, and is more convenient.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of fuse technology, specifically a fuse that is easy to maintain. Background Technology

[0002] A fuse is an electrical device that uses a metal conductor as a fusible element connected in series in a circuit. When an overload or short-circuit current passes through the fusible element, it melts due to its own heating, thereby breaking the circuit. Fuses have a simple structure, are easy to use, and are widely used as protective devices in power systems, various electrical equipment, and household appliances.

[0003] Existing fuses are difficult to remove by hand due to their relatively stable fixing structure. They often require an additional removal tool to clamp the fuse before it can be pulled horizontally to remove it. This tool is needed every time a fuse is removed or installed, which is not convenient. Therefore, in order to make the installation or removal of fuses more convenient, a fuse that is easy to maintain is needed. Utility Model Content

[0004] The purpose of this utility model is to solve the problem that traditional fuses require external tools for installation or removal, which is cumbersome and difficult to explain in the past, and to provide a fuse that is easy to maintain.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a fuse that is easy to maintain, comprising a ceramic fuse body, a metal top plate, and a fixing block. The front of the ceramic fuse body is provided with a horizontally open movable slot. A metal handle and a magnetic strip are horizontally distributed inside the movable slot. Both ends of the metal handle are rotatably connected to the upper and lower sides of the inner wall of the movable slot, for the user to hold and pull the ceramic fuse body to install or remove the ceramic fuse body.

[0006] The magnetic strip is horizontally fixed to the middle of the inner wall of the movable slot, and is used to adsorb and fix the metal handle.

[0007] As a further embodiment of this utility model: the fixing block is vertically fixed to the top of the metal top plate for fixing the ceramic fuse body;

[0008] The metal top plate is vertically installed on the top of the ceramic fuse body. There are two metal top plates and two fixing blocks, which are symmetrically distributed at the upper and lower ends of the ceramic fuse body. The rotating shaft structure at both ends of the metal handle is distributed through the interior of the ceramic fuse body and the metal top plate to maintain the stability of the metal handle structure.

[0009] As a further improvement of this utility model, the inner side of the metal handle is provided with several arc-shaped grooves along the vertical direction to facilitate the user's grip.

[0010] As a further improvement of this utility model, the width of the metal handle is the same as the depth of the movable slot, ensuring that when the metal handle is fitted against the inner wall of the movable slot, the metal handle can be completely hidden inside the movable slot without occupying extra space.

[0011] As a further improvement of this utility model, both sides of the movable slot are designed as a curved structure to ensure that the user will not be scratched by the side wall of the movable slot when holding the metal handle and pulling it.

[0012] As a further embodiment of this utility model: the top of the metal top plate is vertically provided with a number of mounting openings, which are evenly distributed in a rectangle along the top of the metal top plate for fixing the metal top plate.

[0013] As a further improvement of this utility model, the fixing block is a long strip structure with a small front end and a large rear end, which ensures that the resistance encountered when the fixing block is inserted into the clamping member in the horizontal direction is reduced, and it can be installed stably at the same time.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] By incorporating a handheld mechanism into the fuse, a metal handle is directly provided to the ceramic fuse body, allowing users to disassemble or install the ceramic fuse body without the aid of external tools. At the same time, the metal handle is designed to rotate, so that it can be folded when not in use, saving space occupied by the entire fuse. This is different from existing fuses and is more convenient. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a cross-sectional view of the ceramic fuse body structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the metal top plate structure of this utility model.

[0019] In the diagram: 1. Ceramic fuse body; 2. Metal top plate; 3. Fixing block; 4. Movable slot; 5. Metal handle; 6. Magnetic strip; 7. Mounting port. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figures 1-3 In this embodiment of the utility model, a fuse that is easy to maintain includes a ceramic fuse body 1, a metal top plate 2, and a fixing block 3. The fixing block 3 is vertically fixed to the top of the metal top plate 2 and is used to fix the ceramic fuse body 1.

[0022] The metal top plate 2 is vertically installed on the top of the ceramic fuse body 1. There are two metal top plates 2 and two fixing blocks 3, which are symmetrically distributed at the upper and lower ends of the ceramic fuse body 1. The front of the ceramic fuse body 1 has a horizontally open movable slot 4. The movable slot 4 has a horizontally distributed metal handle 5 and magnetic strip 6 inside. Both ends of the metal handle 5 are rotatably connected to the upper and lower sides of the inner wall of the movable slot 4, which is used by the user to pull the ceramic fuse body 1 to install or remove the ceramic fuse body 1.

[0023] The magnetic strip 6 is horizontally fixed to the middle of the inner wall of the movable slot 4 to adsorb and fix the metal handle 5.

[0024] In this embodiment, it should be noted that a fuse is an electrical appliance that uses a metal conductor as a fusible element connected in series in the circuit. When there is an overload or short circuit, the current flows through the fusible element, which melts due to its own heating, thereby breaking the circuit.

[0025] The user turns the metal handle 5 and holds the metal handle 5 to pick up the ceramic fuse body 1. The user aligns the fixing blocks 3 located at the upper and lower ends of the ceramic fuse body 1 with the clamping parts in the circuit and presses them in horizontally. After installing the ceramic fuse body 1 in the circuit, the user turns the metal handle 5 to hide it inside the movable slot 4.

[0026] When the circuit overload causes the fuse element inside the ceramic fuse body 1 to break, the user first disconnects the power to the entire circuit, then rotates the metal handle 5 to expose it from the movable slot 4. The user then holds the metal handle 5, shakes it up and down, and pulls it horizontally to remove the ceramic fuse body 1 from the circuit for repair. The advantage is that a metal handle 5 is directly provided for the ceramic fuse body 1, so the user can remove or install the ceramic fuse body 1 without the aid of external tools. At the same time, the metal handle 5 is designed as a rotating structure, which saves the space occupied by the entire fuse when the user is not using it.

[0027] Please refer to this carefully. Figure 2The rotating shaft structure at both ends of the metal handle 5 runs through the interior of the ceramic fuse body 1 and the metal top plate 2 to maintain the stability of the metal handle 5 structure.

[0028] In this embodiment, the rotating shaft structure at both ends of the metal handle 5 is distributed through the interior of the ceramic fuse body 1 and the metal top plate 2 to maintain the stability of the metal handle 5 structure. The metal handle 5 is in contact with the metal top plate 2, so that it is not easy to fall off from the rotating connection.

[0029] Please refer to this carefully. Figures 1-2 The inner side of the metal handle 5 has several arc-shaped grooves along the vertical direction to facilitate the user's grip.

[0030] In this embodiment, the inner side of the metal handle 5 has several arc-shaped grooves along the vertical direction to facilitate the user's grip.

[0031] Please refer to this carefully. Figures 1-2 The width of the metal handle 5 is the same as the depth of the movable slot 4, ensuring that when the metal handle 5 is fitted against the inner wall of the movable slot 4, the metal handle 5 can be completely hidden inside the movable slot 4 without taking up extra space.

[0032] In this embodiment, the width of the metal handle 5 is the same as the depth of the movable slot 4, ensuring that when the metal handle 5 is attached to the inner wall of the movable slot 4, the metal handle 5 can be completely hidden inside the movable slot 4 without occupying extra space.

[0033] Please refer to this carefully. Figures 1-2 Both sides of the movable slot 4 are designed with a curved structure to ensure that the user will not be scratched by the side wall of the movable slot 4 when pulling the metal handle 5.

[0034] In this embodiment: the curved structure ensures that the user will not be scratched by the side wall of the movable slot 4 when holding the metal handle 5 and pulling it.

[0035] Please refer to this carefully. Figures 1-3 The top of the metal top plate 2 has a vertically opened mounting opening 7. There are several mounting openings 7, which are evenly distributed in a rectangle along the top of the metal top plate 2 for fixing the metal top plate 2.

[0036] In this embodiment: the mounting port 7 is used to firmly fix the metal top plate 2 to the upper and lower ends of the ceramic fuse body 1.

[0037] Please refer to this carefully. Figures 1-3 The fixing block 3 is a long strip structure with a small front end and a large rear end, which ensures that the resistance encountered when the fixing block 3 is inserted into the clamping part in the horizontal direction is reduced, and it can be installed stably.

[0038] In this embodiment, the elongated structure with a small front end and a large rear end ensures that the resistance encountered by the fixing block 3 when it is inserted into the clamping member in the horizontal direction is reduced, and it can be installed stably at the same time.

[0039] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A fuse that is easy to maintain, comprising a ceramic fuse body (1), a metal top plate (2), and a fixing block (3), characterized in that, The ceramic fuse body (1) has a horizontally open movable slot (4) on its front side. The movable slot (4) has a horizontally distributed metal handle (5) and magnetic strip (6). Both ends of the metal handle (5) are rotatably connected to the upper and lower sides of the inner wall of the movable slot (4), which is used by the user to pull the ceramic fuse body (1) to install or remove the ceramic fuse body (1). The magnetic strip (6) is horizontally fixed to the middle of the inner wall of the movable slot (4) for adsorbing and fixing the metal handle (5).

2. The easily maintainable fuse according to claim 1, characterized in that, The fixing block (3) is vertically fixed to the top of the metal top plate (2) and is used to fix the ceramic fuse body (1). The metal top plate (2) is vertically installed on the top of the ceramic fuse body (1). The number of the metal top plate (2) and the number of the fixing blocks (3) are both two and they are symmetrically distributed at the upper and lower ends of the ceramic fuse body (1). The rotating shaft structure at both ends of the metal handle (5) is distributed through the interior of the ceramic fuse body (1) and the metal top plate (2) to maintain the stability of the metal handle (5) structure.

3. The easily maintainable fuse according to claim 1, characterized in that, The inner side of the metal handle (5) has several arc-shaped grooves along the vertical direction, which makes it convenient for users to grip.

4. The fuse for easy maintenance according to claim 1, characterized in that, The width of the metal handle (5) is the same as the depth of the movable slot (4), ensuring that the metal handle (5) can be completely hidden inside the movable slot (4).

5. A fuse for easy maintenance according to claim 1, characterized in that, Both sides of the movable slot (4) are designed as a curved structure to ensure that the user will not be scratched by the side wall of the movable slot (4) when holding the metal handle (5) and pulling it.

6. A fuse for easy maintenance according to claim 1, characterized in that, The metal top plate (2) has a vertically opened mounting port (7) at its top. The number of mounting ports (7) is several, and they are evenly distributed in a rectangular shape along the top of the metal top plate (2).

7. A fuse for easy maintenance according to claim 1, characterized in that, The fixing block (3) is a long strip structure with a small front end and a large rear end, which ensures that the resistance encountered when the fixing block (3) is inserted into the clamping member in the horizontal direction is reduced.