Fuse with shackle structure

By introducing a length adjustment mechanism and a mounting and fixing structure into the fuse, the problems of adjustment distance and installation stability of the existing shackle structure are solved, achieving the effects of simplified installation and improved stability.

CN223693066UActive Publication Date: 2025-12-19SHANGHAI RENRENXIN ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422600827.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-28
Publication Date
2025-12-19
Estimated Expiration
2034-10-28

AI Technical Summary

Technical Problem

Existing fuses with shackle structures have inconveniences in terms of adjustment distance and installation stability, especially when frequently disassembling and installing, the bolt fixing method makes installation inconvenient and prone to loosening.

Method used

Employing a length adjustment mechanism and installation fixing structure, the shackle distance is adjusted via a two-way screw and handwheel. Combined with a fixing groove, fixing column, wedge block, and pressing mechanism, boltless fixing is achieved, simplifying the installation process and improving stability.

Benefits of technology

It enables simple and convenient adjustment of the shackle distance and fuse height, simplifies the installation and disassembly process, improves the installation stability of the fuse body, and avoids the inconvenience caused by bolt fixing.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223693066U_ABST
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Abstract

The utility model discloses a fuse with a shackle structure, which comprises a length adjusting mechanism, a height adjusting mechanism, mounting and fixing structures and a fuse body, a mounting plate is fixed at the bottom of the fuse body, and the mounting and fixing structures for fixedly mounting the fuse body are fixed on two sides of the bottom of the mounting plate. A fixing block is fixed to the bottom of the installation fixing structure, a height adjusting mechanism used for lifting the fuse body is fixed to the bottom of the fixing block, and a length adjusting mechanism used for adjusting installation according to the lengths of different fuse bodies is fixed to the bottom of the height adjusting mechanism. Fuse bodies with different lengths can be conveniently adjusted, installed and fixed, the height of the fuse body can be conveniently adjusted to be suitable for use environments with different heights, the fuse body is convenient to install and detach, an existing conventional bolt fixing mode is not used in the installation process, the defect of bolt fixing is avoided, and the installation efficiency is improved. And the installation stability of the fuse body is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fuse technology field, concretely related to a fuse with unpinning structure. BACKGROUND

[0002] The fuse is a kind of electric appliance that circuit is disconnected when current exceeds specified value and heat generated by itself makes fuse melt, and the fuse is disconnected according to the principle that heat generated by itself makes fuse melt when current exceeds specified value for a period of time, a current protector is made by using this principle, and the fuse is widely used in high-low voltage distribution system and control system and electric equipment, as short-circuit and overcurrent protector, is one of the most common protective devices.

[0003] According to the announcement number CN112928000A, a high-voltage fuse with unpinning structure is disclosed, which comprises a horizontally arranged bottom plate, two sliding blocks are slidably connected to the upper surface of the bottom plate, the two sliding blocks are symmetrically arranged, a connecting plate is horizontally arranged above each of the two sliding blocks, the two connecting plates are fixedly connected to the corresponding sliding blocks on the same side through vertically arranged first extension rods, the two connecting plates are fixedly connected to the corresponding sliding blocks on the same side through vertically arranged first springs, the two first springs are wound around the corresponding first extension rods, and a unpinning device is arranged above each of the two connecting plates.The unpinning device is an inverted U-shaped structure.By using various threaded connections and clamping, the connection and installation of the components of the device are more convenient and fast, the installation and disassembly time is saved, and the distance between the two unpinning devices can be adjusted by setting two sliding blocks to drive the unpinning devices to move, so that fuse bodies of different lengths can be installed, and the utility is strong.

[0004] However, the above-mentioned fuse with unpinning structure has the following defects:

[0005] Although fuse bodies of different lengths can be installed, the distance adjustment method is relatively inconvenient, and it is not convenient to install the fuse body, the existing fuse body is mostly fixed and installed using bolts during installation, and tools are also required for disassembly and assembly when the fuse body is frequently disassembled and installed, which is relatively inconvenient, and the use of bolts for frequent disassembly and assembly may cause thread stripping, reduce the installation stability of the fuse body, and easily loosen.

[0006] For the problems in the related art, there is no effective solution at present. UTILITY MODEL CONTENTS

[0007] In view of the problems in the related art, the utility model provides a fuse with unpinning structure to overcome the above-mentioned technical problems existing in the prior art.

[0008] Therefore, the utility model adopts the following specific technical solutions:

[0009] The utility model provides a fuse with the structure of unbuckling, including length adjustment mechanism, height adjustment mechanism, installation fixed structure and fuse body, the bottom of fuse body is fixed with the installation board, both sides of the bottom of installation board are fixed with the installation fixed structure for the fixed installation of fuse body, the bottom of installation fixed structure is fixed with fixed block, the bottom of fixed block is fixed with height adjustment mechanism for the lifting of fuse body, the bottom of height adjustment mechanism is fixed with length adjustment mechanism for the installation adjustment of different fuse body length.

[0010] As a further scheme of the utility model, the length adjustment mechanism comprises a bottom plate, a strip-shaped groove is fixed to the upper middle position of the bottom plate, a bidirectional screw rod is arranged in the strip-shaped groove, a hand wheel is arranged at one end of the bidirectional screw rod, and threaded sliding blocks are threadedly connected to the two sides of the bidirectional screw rod.

[0011] As a further scheme of the utility model, the height adjustment mechanism comprises a telescopic rod, the bottom of the telescopic rod is fixedly connected to the top of the threaded sliding block, and the top of the telescopic rod is fixedly connected to the fixed block.

[0012] As a further scheme of the utility model, the installation fixed structure comprises a fixed groove, placing grooves are arranged on the two sides of the fixed groove, and a pressing mechanism is arranged in the placing grooves.

[0013] As a further scheme of the utility model, the installation fixed structure further comprises a fixed column, the top of the fixed column is fixedly connected to the bottom of the installation plate, a cavity is formed in the fixed column, a vertical plate is fixed to the middle position of the cavity, return springs are fixed to the two sides of the vertical plate, and wedge-shaped blocks are fixed to the two ends of the return springs.

[0014] As a further scheme of the utility model, a through groove matched with the wedge-shaped blocks is formed in the two sides of the fixed column.

[0015] As a further scheme of the utility model, the pressing mechanism comprises a pressing rod, one end of the pressing rod is arranged in the placing groove, a limiting block is fixed to one end of the pressing rod, a pressing spring is fixed to the limiting block, and one end of the pressing spring is fixed to the inner wall on one side of the placing groove.

[0016] As a further scheme of the utility model, the bottom of the fixed groove is fixedly connected to the top of the fixed block, and the top of the fixed column is fixedly connected to the bottom of the installation plate.

[0017] The utility model discloses beneficial effect is: through setting length adjusting mechanism, only need people to rotate hand wheel, can adjust the distance between two unloading buckle, make unloading buckle can be used for fixing the high -voltage fuse of different length, the installation of different length fuse wire is installed fixedly indirectly, simple and convenient, through setting height adjusting mechanism, the height of fuse body is adjusted to adapt to different height use environment, through setting installation fixed structure, use fixed groove, fixed column, wedge and place groove cooperation press mechanism's common use, convenient installation and disassembly replace fuse body, the installation process does not use the mode of bolt fixed use of conventional, avoid the disadvantage of bolt fixed use, improve the installation stability of fuse body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0019] Figure 1 It is the overall structure schematic diagram of a fuse with unloading buckle structure according to the utility model embodiment;

[0020] Figure 2 It is length adjusting mechanism schematic diagram of a fuse with unloading buckle structure according to the utility model embodiment;

[0021] Figure 3 It is installation fixed structure schematic diagram of a fuse with unloading buckle structure according to the utility model embodiment;

[0022] Figure 4 It is fixed column schematic diagram of installation fixed structure of a fuse with unloading buckle structure according to the utility model embodiment;

[0023] Figure 5 It is press mechanism schematic diagram of a fuse with unloading buckle structure according to the utility model embodiment.

[0024] In the drawing:

[0025] 1, length adjusting mechanism;2, height adjusting mechanism;3, installation fixed structure;4, fuse body;5, mounting plate;6, bottom plate;7, strip slot;8, bidirectional screw;9, hand wheel;10, threaded slider;11, telescopic rod;12, fixed groove;13, place groove;14, press mechanism;15, fixed column;16, vertical plate;17, return spring;18, wedge;19, press lever;20, limit block;21, press spring;22, fixed block. DETAILED DESCRIPTION

[0026] To further illustrate the embodiments, the utility model provides with the drawings, these drawings are part of the utility model disclosure, it mainly used to illustrate the embodiment, and can cooperate with the related description of the specification to explain the operation principle of the embodiment, cooperate with reference to these contents, the person skilled in the art should be able to understand other possible implementation ways and the advantages of the utility model, the components in the drawing are not drawn according to scale, and similar component symbols are usually used to represent similar components.

[0027] According to the embodiment of the utility model, a fuse with a shackle structure is provided.

[0028] Please refer to the description attached Figures 1-5 According to the embodiment of the utility model, a fuse with a shackle structure is provided. The bottom of the installation plate 5 is fixed with the installation fixing structure 3 for fixed installation of the fuse body 4, the bottom of the installation fixing structure 3 is fixed with the fixed block 22, the bottom of the fixed block 22 is fixed with the height adjusting mechanism 2 for lifting of the fuse body 4, the bottom of the height adjusting mechanism 2 is fixed with the length adjusting mechanism 1 for adjusting installation according to the length of different fuse bodies 4, the length adjusting mechanism 1 comprises a bottom plate 6, the middle position above the bottom plate 6 is fixed with a strip-shaped groove 7, the inside of the strip-shaped groove 7 is provided with a bidirectional screw rod 8, one end of the bidirectional screw rod 8 is provided with a hand wheel 9, the two sides of the bidirectional screw rod 8 are both screw-connected with a threaded sliding block 10, the height adjusting mechanism 2 comprises a telescopic rod 11, the bottom of the telescopic rod 11 is fixedly connected with the top of the threaded sliding block 10, and the top of the telescopic rod 11 is fixedly connected with the fixed block 22.

[0029] By setting the length adjusting mechanism 1, people only need to rotate the hand wheel 9 forward and backward, the distance between the two shackles can be adjusted, so that the shackle can be used to fix high-voltage fuses of different lengths, and the fuse of different lengths is installed and fixed, which is simple and convenient.

[0030] In an embodiment, please refer to the description attached Figures 1-5, as a further scheme of the utility model, the installation fixed structure 3 includes fixed groove 12, both sides of fixed groove 12 are provided with placing groove 13, the inside of placing groove 13 is provided with pressing mechanism 14, installation fixed structure 3 still includes fixed column 15, the top of fixed column 15 is fixedly connected with the bottom of mounting plate 5, the inside of fixed column 15 is provided with cavity, the middle position of cavity is fixed with vertical plate 16, both sides of vertical plate 16 are fixed with return spring 17, both ends of return spring 17 are fixed with wedge block 18, both sides of fixed column 15 are provided with the through slot matched with wedge block 18, pressing mechanism 14 includes pressing lever 19, one end of pressing lever 19 is arranged in the inside of placing groove 13, one end of pressing lever 19 is fixed with limit block 20, limit block 20 is fixed with pressing spring 21, one end of pressing spring 21 is fixed on the inside wall of one side of placing groove 13, the bottom of fixed groove 12 is fixedly connected with the top of fixed block 22, the top of fixed column 15 is fixedly connected with the bottom of mounting plate 5.

[0031] By setting installation fixed structure 3, using fixed groove 12, fixed column 15, wedge block 18 and placing groove 13 cooperate with the common use of pressing mechanism 14, it is convenient to install and disassemble and replace fuse body 4, the installation process does not use the existing conventional bolt fixing mode, avoids the disadvantages of using bolt fixing, improves the installation stability of fuse body 4.

[0032] In use, first, according to the length of fuse body 4 of different length, length adjusting mechanism 1 is adjusted, people manually forward and reverse hand wheel 9, drive bidirectional screw rod 8 to move towards each other, thereby drive two threaded sliding blocks 10 to move towards each other, thereby drive upper height adjusting mechanism 2 and fixed block 22 and fixed groove 12 to move towards each other, stop when reaching the specified position, then fuse body 4 is fixedly installed on mounting plate 5 to become a whole, then, fixed column 15 is aligned with the upper direction of fixed groove 12 and is pressed down, at this time, two wedge blocks 18 extrude return spring 17 to shrink, wedge block 18 extends into the inside cavity of fixed column 15, when wedge block 18 reaches the placing groove 13 of fixed groove 12, return spring 17 is elongated, and two wedge blocks 18 are pushed out, at this time, two wedge blocks 18 are inserted into placing groove 13, and installation is completed, telescopic rod 11 is lifted to adjust the height of fuse body 4 to adapt to different height use environment, when disassembling, only people press two pressing levers 19, pressing spring 21 shrinks, limit block 20 pushes wedge block 18 to extend into the inside cavity of fixed column 15, and it can be pulled out upward.

[0033] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A fuse with a decoupling structure, comprising a length adjusting mechanism (1), a height adjusting mechanism (2), a mounting fixing structure (3) and a fuse body (4), characterized in that: The bottom of the fuse body (4) is fixed with a mounting plate (5), the bottom of the mounting plate (5) is fixed with mounting fixing structures (3) for fixing and mounting the fuse body (4) on both sides, the bottom of the mounting fixing structure (3) is fixed with a fixed block (22), the bottom of the fixed block (22) is fixed with a height adjusting mechanism (2) for lifting the fuse body (4), and the bottom of the height adjusting mechanism (2) is fixed with a length adjusting mechanism (1) for adjusting and mounting according to different lengths of the fuse body (4).

2. The fuse according to claim 1, wherein: The length adjusting mechanism (1) comprises a bottom plate (6), a strip-shaped groove (7) is fixed on the top of the bottom plate (6), a bidirectional screw rod (8) is arranged in the strip-shaped groove (7), one end of the bidirectional screw rod (8) is provided with a hand wheel (9), and threaded sliding blocks (10) are threadedly connected on both sides of the bidirectional screw rod (8).

3. The fuse according to claim 2, wherein: The height adjusting mechanism (2) comprises a telescopic rod (11), the bottom of the telescopic rod (11) is fixedly connected with the top of the threaded sliding block (10), and the top of the telescopic rod (11) is fixedly connected with the fixed block (22).

4. The fuse with a disconnect structure according to claim 1, characterized in that: The mounting fixing structure (3) comprises a fixed groove (12), and placing grooves (13) are arranged on both sides of the fixed groove (12).

5. The fuse with a disconnect structure according to claim 4, characterized in that: The mounting fixing structure (3) further comprises a fixed column (15), the top of the fixed column (15) is fixedly connected with the bottom of the mounting plate (5), a cavity is formed in the fixed column (15), a vertical plate (16) is fixed in the middle position of the cavity, return springs (17) are fixed on both sides of the vertical plate (16), and wedge-shaped blocks (18) are fixed on both ends of the return springs (17).

6. The fuse with a disconnect structure according to claim 5, characterized in that: The fixed column (15) is provided with a through groove matched with the wedge-shaped block (18) on both sides.

7. The fuse with a disconnect structure according to claim 6, characterized in that: The pressing mechanism (14) comprises a pressing rod (19), one end of the pressing rod (19) is arranged in the placing groove (13), one end of the pressing rod (19) is fixed with a limiting block (20), a pressing spring (21) is fixed on the limiting block (20), and one end of the pressing spring (21) is fixed on the inner wall of one side of the placing groove (13).

8. The fuse with a disconnect structure according to claim 7, characterized in that: The bottom of the fixed groove (12) is fixedly connected with the top of the fixed block (22), and the top of the fixed column (15) is fixedly connected with the bottom of the mounting plate (5).

Citation Information

Patent Citations

  • High-voltage fuse with shackle structure

    CN112928000A