Fuse with fusible core convenient to replace
The design of easy-to-install and disassemble components solves the problem of housing damage and corrosion during existing fuse replacement, and enables quick removal of the housing cover, making fuse replacement easier.
Patent Information
- Application Number
- CN202422601534.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The existing fuses require opening the housing when replacing them, and the bolted connection can easily damage the housing and may rust and become impossible to disassemble after long-term use.
The device employs easy-to-install and easy-to-disassemble components, including a snap-fit mechanism and an easy-to-disassemble mechanism. Through structures such as slots, blocks, grooves, limiting cavities, inserts, limiting holes, and limiting slides, the cover can be quickly disassembled, avoiding repeated turning of the bolts.
It enables easy disassembly of the cover, avoids damage to the housing, facilitates fuse replacement, and improves replacement efficiency and reliability.
Smart Images

Figure CN223598663U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of fuse, specifically relates to a fuse convenient to replace fuse core. BACKGROUND
[0002] Fuse is the simplest protective electrical apparatus, it is used to protect electrical equipment from overload and short-circuit current, and different types of high-voltage fuses are selected according to installation conditions and purposes, such as outdoor drop type and indoor type, and the high-voltage fuse for some special equipment should select special series, and the fuse we commonly call is fuse;
[0003] The existing fuse is arranged in the shell, when the fuse needs to be replaced, the shell needs to be opened, the shell and the base are connected through bolts, repeated rotation of the bolts can cause damage to the shell, and in addition, long-term use of the bolts can cause rusting and disassembly problems. UTILITY MODEL CONTENTS
[0004] To solve the problems in the background art, the utility model provides a fuse convenient to replace fuse core, which comprises a mounting seat and a fuse support arranged on the mounting seat, and further comprises a shell cover connected with the mounting seat through a convenient assembly and disassembly assembly.
[0005] The convenient assembly and disassembly assembly comprises a clamping mechanism arranged at the front end of the shell cover and the mounting seat, and a convenient disassembly mechanism arranged at the rear end of the shell cover and the mounting seat.
[0006] As the utility model discloses a kind of fuses convenient to replace fuse core, preferably, the clamping mechanism includes clamping groove opened in mounting seat, and clamping block fixed on shell cover.
[0007] As the utility model discloses a kind of fuses convenient to replace fuse core, preferably, the clamping groove is matched with the clamping block, and the clamping block is clamped in the clamping groove.
[0008] As the utility model discloses a kind of fuses convenient to replace fuse core, preferably, the convenient disassembly mechanism includes insertion slot and limiting sliding cavity opened in mounting seat, and insertion column fixedly arranged on shell cover, limiting hole is opened in the insertion column.
[0009] As the utility model discloses a kind of fuses convenient to replace fuse core, preferably, limiting sliding cavity is provided with limiting sliding disc inside, limiting head is fixedly arranged at the bottom end of the limiting sliding disc, and pull rod is fixed at the top end of the limiting sliding disc.
[0010] As the utility model discloses a fuse convenient to replace the core, preferably, the limit sliding disc is matched with the limit sliding cavity, and the limit sliding disc slides up and down inside the limit sliding cavity, and the pull rod inside the limit sliding cavity is sleeved with the spring, and the limit sliding cavity and the slot are mutually connected.
[0011] As the utility model discloses a fuse convenient to replace the core, preferably, the limit hole is matched with the limit head, and the limit head is clamped inside the limit hole.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] Pulling the pull rod outward, the pull rod drives the limit sliding disc to slide inside the limit sliding cavity and compresses the spring, and the limit head moves along with the limit sliding disc, at this time, the limit head is separated from the limit hole on the insertion column, then the shell cover is pulled up, the disassembly of the shell cover is completed, repeated use does not cause damage to the shell body, and the shell body is simple and convenient to disassemble, and the fuse is convenient to replace later. BRIEF DESCRIPTION OF DRAWINGS
[0014] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:
[0015] Figure 1 It is the structural schematic diagram of the utility model;
[0016] Figure 2 It is the local structural schematic diagram of the utility model;
[0017] Figure 3 It is the local structural schematic diagram of the utility model;
[0018] Figure 4 It is the shell cover structure schematic diagram of the utility model;
[0019] Figure 5 It is Figure 3 The sectional structure schematic diagram of A of
[0020] In the drawing:
[0021] 1, mounting seat;
[0022] 2, fuse support;
[0023] 3, convenient to assemble and disassemble component;31, clamping mechanism;311, clamping groove;312, clamping block;32, convenient to disassemble mechanism;321, slot;322, limit sliding cavity;323, insertion column;324, limit hole;325, limit sliding disc;326, limit head;327, pull rod;328, spring;
[0024] 4, shell cover;
[0025] 5. The fuse body. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model. EMBODIMENT
[0027] As Figure 1 shown in the figure;
[0028] A fuse convenient to replace the fuse core, including the mounting seat 1, and the fuse holder 2 arranged on the mounting seat 1.
[0029] In the embodiment: to solve the technical problems existing in the prior art, as disclosed in the background art above, "the existing fuse is arranged in the shell, when needing to replace the fuse, the shell needs to be opened, since the shell and the base are connected through bolts, the repeated rotation of the bolt can cause the damage of the shell, secondly, long-term use of the bolt can cause the rust corrosion and the problem of disassembly", in combination with the actual use, this problem is obviously a practical problem and is relatively difficult to solve, therefore, to solve this technical problem, a fuse convenient to replace the fuse core is provided on this basis.
[0030] As Figures 1-5 shown in the figure;
[0031] In combination with the above content, the shell cover 4 connected with the mounting seat 1 through the convenient assembly and disassembly assembly 3 is further included, the fuse holder 2 is provided with the fuse body 5;
[0032] The convenient assembly and disassembly assembly 3 includes the clamping mechanism 31 arranged at the front end of the shell cover 4 and the mounting seat 1, and the convenient disassembly mechanism 32 arranged at the rear end of the shell cover 4 and the mounting seat 1.
[0033] In an optional embodiment, the clamping mechanism 31 includes the clamping groove 311 opened on the mounting seat 1, and the clamping block 312 fixed on the shell cover 4.
[0034] As the utility model a fuse convenient to replace the fuse core, preferably, the clamping groove 311 is matched with the clamping block 312, and the clamping block 312 is clamped in the clamping groove 311.
[0035] In an optional embodiment, the easy dismounting mechanism 32 comprises a slot 321 and a limiting sliding cavity 322 formed on the mounting base 1, and a plug column 323 fixedly arranged on the shell cover 4, a limiting hole 324 is formed on the plug column 323, a limiting sliding disc 325 is arranged inside the limiting sliding cavity 322, a limiting head 326 is fixedly arranged at the bottom end of the limiting sliding disc 325, a pull rod 327 is fixedly arranged at the top end of the limiting sliding disc 325, the limiting sliding disc 325 is matched with the limiting sliding cavity 322, and the limiting sliding disc 325 slides up and down inside the limiting sliding cavity 322, a spring 328 is sleeved on the pull rod 327 inside the limiting sliding cavity 322, and the limiting sliding cavity 322 is communicated with the slot 321.
[0036] In the embodiment, the pull rod 327 is pulled outward, the pull rod 327 drives the limiting sliding disc 325 to slide inside the limiting sliding cavity 322, and the spring 328 is compressed, the limiting head 326 moves along with the limiting sliding disc 325, the pulling force applied by the pull rod 327 is released, the limiting sliding disc 325 is reset under the action force of the spring 335, and the limiting head 326 is reset along with the limiting sliding disc 325.
[0037] In an optional embodiment, the limiting hole 324 is matched with the limiting head 326, and the limiting head 326 is clamped inside the limiting hole 324.
[0038] The working principle of the utility model is as follows:
[0039] The pull rod 327 is pulled outward, the pull rod 327 drives the limiting sliding disc 325 to slide inside the limiting sliding cavity 322, and the spring 328 is compressed, the limiting head 326 moves along with the limiting sliding disc 325, the limiting head 326 is separated from the limiting hole 324 on the plug column 323, then the shell cover 4 is pulled upward, the shell cover 4 is dismounted, repeated use does not cause damage to the shell 4, and the shell is simple and convenient to dismount, and the fuse is convenient to replace in the later period.
[0040] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A fuse with a core that is easy to replace, comprising a mounting base (1) and a fuse holder (2) arranged on the mounting base (1), characterized in that: Also include through the convenient assembly and disassembly assembly (3) and the mounting base (1) connection shell cover (4), the fuse holder (2) is provided with fuse body (5); The convenient assembly and disassembly assembly (3) includes the clamping mechanism (31) arranged at the front end of the shell cover (4) and the mounting base (1), and the convenient disassembly mechanism (32) arranged at the rear end of the shell cover (4) and the mounting base (1).
2. A fuse of the type having a replaceable fusible core as defined in claim 1, characterized in that: The clamping mechanism (31) includes a clamping groove (311) opened on the mounting base (1), and a clamping block (312) fixed on the shell cover (4).
3. A fuse of the type having a replaceable fusible core as defined in claim 2, wherein: The clamping groove (311) is matched with the clamping block (312), and the clamping block (312) is clamped in the clamping groove (311).
4. A fuse of the type having a fusible core which is readily replaceable, as defined in claim 1, wherein: The convenient disassembly mechanism (32) includes a slot (321) and a limiting sliding cavity (322) opened on the mounting base (1), and an insertion column (323) fixedly arranged on the shell cover (4), and a limiting hole (324) is opened on the insertion column (323).
5. A fuse of the type having a fusible core which is readily replaceable, as defined in claim 4, wherein: The limiting sliding cavity (322) is provided with a limiting sliding disc (325) inside, the limiting sliding disc (325) is fixedly provided with a limiting head (326) at the bottom end, and a pull rod (327) is fixedly arranged at the top end of the limiting sliding disc (325).
6. A fuse of the type having a fusible core which is readily replaceable, as defined in claim 5, wherein: The limiting sliding disc (325) is matched with the limiting sliding cavity (322), and the limiting sliding disc (325) slides up and down in the limiting sliding cavity (322), a spring (328) is sleeved on the pull rod (327) in the limiting sliding cavity (322), and the limiting sliding cavity (322) and the slot (321) are communicated.
7. A fusible core replacement fuse according to claim 4 wherein: The limiting hole (324) is matched with the limiting head (326), and the limiting head (326) is clamped in the limiting hole (324).