Safety terminal protection cover capable of self-locking and anti-falling
By designing a fixing rod, torsion spring, and arc-shaped rod anti-disengagement structure on the fuse terminal cover, the problems of balancing mechanical strength and electrical performance in compact design and frequent disassembly and inspection are solved, achieving the effects of self-locking anti-disengagement and easy disassembly and assembly.
Patent Information
- Application Number
- CN202423024767.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing fuse terminal covers are difficult to maintain both mechanical strength and electrical performance in a compact design. They also require frequent disassembly and inspection, lack self-locking anti-detachment function, and are therefore susceptible to damage from accidental contact or environmental factors.
Design an anti-disengagement structure comprising a fixed rod, a torsion spring, a collar, and an arc-shaped rod. Self-locking is achieved through the torsion of the torsion spring. Combined with a detachable safety terminal cover structure, additional electrical connection protection is provided.
It achieves the self-locking and anti-detachment function of the fuse terminal cover, enhances the stability and safety of electrical connections, facilitates disassembly and inspection, and solves the heat dissipation problem in the compact design.
Smart Images
Figure CN223680048U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of protective equipment technology, specifically to a self-locking, anti-detachment safety terminal cover. Background Technology
[0002] To adapt to space-constrained applications, fuse terminal covers are increasingly designed to be compact, while maintaining sufficient mechanical strength and electrical performance, often resulting in challenges in heat dissipation. Modern fuse terminal covers typically feature a disassembly mechanism for routine inspection and maintenance. However, these disassembly and inspection are frequent, and fuse terminal covers are intended to provide additional protection for electrical connections against damage caused by accidental contact or environmental factors. Therefore, there is an urgent need for a fuse terminal cover with a self-locking anti-detachment function that is easy to disassemble and inspect. Utility Model Content
[0003] Therefore, this utility model provides a self-locking, anti-detachment safety terminal cover to ensure that the safety terminal cover will not easily fall off after installation, thus providing more stable and secure protection.
[0004] To achieve the above objectives, this utility model provides the following technical solution: a self-locking and anti-detachment safety terminal cover, comprising a safety terminal cover, wherein the safety terminal cover is disposed on the outside of the safety terminal as an external protective layer of the safety terminal, and the outside of the safety terminal cover is provided with an anti-detachment structure that locks with the safety terminal;
[0005] The anti-detachment structure includes a first fixing rod and a second fixing rod respectively disposed on both sides of the safety terminal. The first fixing rod and the second fixing rod are distributed vertically. A pair of torsion springs are disposed side by side on the outer side of the first fixing rod. The upper end of each pair of torsion springs is provided with a collar, and the lower end is disposed on the outer side of the safety terminal. The inner side of the two collars is disposed on the outer end of the second fixing rod. The outer end of the two collars is provided with an arc-shaped rod. A pressure rod is disposed between one end of the two arc-shaped rods. The safety terminal cover is provided with a buckle groove on both sides, and the pressure rod is buckled into the inner side of the buckle groove.
[0006] Preferably, the interior of the fuse terminal cover is designed with a structural space specifically for placing the fuse, the interior of the structural space is aligned with the fuse, and mesh plates are provided on both sides of the fuse terminal cover, the mesh plates being in communication with the interior of the structural space.
[0007] Preferably, the top of the safety terminal cover is provided with a groove, and the interior of the groove is provided with symmetrical opening and closing plates.
[0008] Preferably, in its natural state, the torsion spring can push the pressure rod into the groove through the transmission of the collar and the arc-shaped rod.
[0009] The utility model has the advantages of the following:
[0010] The pressure rod on both sides of the safety terminal cover is pulled outward, a pair of torsional springs are twisted, the safety terminal cover is installed on the safety terminal, and then the hand is released, at this time, the pressure rod loses the external force of pulling, and the pair of torsional springs are restored to the original state and reversely twisted, so that the upper end of the torsional spring drives the sleeve ring and the pressure rod arranged between the two arc-shaped rods to be tightly pressed into the buckle groove on both sides of the safety terminal cover, compared with the prior art, the utility model provides additional protection for the electrical connection inside the safety terminal, prevents damage caused by accidental touching or environmental factors, and the safety terminal cover designed in the utility model has the functions of self-locking and anti-dropping and is convenient to disassemble, assemble and check. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 The safety terminal cover provided by the utility model is arranged on the safety terminal.
[0012] Figure 2 The safety terminal cover provided by the utility model is arranged on the safety terminal. Figure 1 The safety terminal cover provided by the utility model is arranged on the safety terminal.
[0013] Figure 3 The safety terminal cover provided by the utility model is arranged on the safety terminal.
[0014] Figure 4 The safety terminal cover provided by the utility model is arranged on the safety terminal. Figure 3 The safety terminal cover provided by the utility model is arranged on the safety terminal.
[0015] Figure 5 The safety terminal cover provided by the utility model is arranged on the safety terminal. Figure 3 The safety terminal cover provided by the utility model is arranged on the safety terminal.
[0016] In the drawing: 1, safety terminal cover; 2, anti-dropping structure; 3, buckle groove; 4, recess; 5, opening and closing plate; 6, structure space; 7, fixed rod one; 8, fixed rod two; 9, torsional spring; 10, sleeve ring; 11, arc-shaped rod; 12, pressure rod. DETAILED DESCRIPTION
[0017] The embodiments of the utility model will be described below by specific examples, and those skilled in the art can easily understand other advantages and effects of the utility model from the disclosed content of the specification. Obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0018] Embodiment: refer to the description attached Figures 1-5The self-locking and anti-disengaging fuse terminal cover of the embodiment comprises a fuse terminal cover 1, which is arranged outside the fuse terminal as an external protection layer of the fuse terminal, and an anti-disengaging structure 2 is arranged on the outer side of the fuse terminal cover 1 and is locked with the fuse terminal.
[0019] Specifically, the anti-disengaging structure 2 comprises a first fixing rod 7 and a second fixing rod 8 arranged on the two sides of the fuse terminal respectively, the first fixing rod 7 and the second fixing rod 8 are distributed in an up-down manner, a pair of torsion springs 9 are arranged side by side on the outer side of the first fixing rod 7, the upper ends of the pair of torsion springs 9 are provided with eyelets 10 and the lower ends are arranged on the outer side of the fuse terminal, the inner sides of the two eyelets 10 are arranged on the outer ends of the second fixing rod 8, the outer ends of the two eyelets 10 are provided with arc-shaped rods 11, a pressing rod 12 is arranged between one end of the two arc-shaped rods 11, and the two sides of the fuse terminal cover 1 are provided with buckling grooves 3, and the pressing rod 12 is buckled on the inner sides of the buckling grooves 3.
[0020] When the pressing rods 12 on the two sides of the fuse terminal cover 1 are pulled outward, the pair of torsion springs 9 are twisted, after the fuse terminal cover 1 is installed on the fuse terminal, the hand is released, at this time, the pressing rod 12 loses the external force of pulling, and the pair of torsion springs 9 want to restore the original state and are reversely twisted, so that the upper ends of the torsion springs 9 drive the eyelets 10 and the pressing rod 12 arranged between the two arc-shaped rods 11 to be tightly pressed into the buckling grooves 3 on the two sides of the fuse terminal cover 1, thereby providing additional protection for the internal electrical connection of the fuse terminal, preventing damage caused by accidental touching or environmental factors, and therefore, the self-locking and anti-disengaging fuse terminal cover is convenient to disassemble and check.
[0021] As a preferred technical scheme of the utility model, the inside of the fuse terminal cover 1 is designed with a structure space 6 specially used for placing a fuse, the inside of the structure space 6 is aligned with the position of the fuse, mesh plates are arranged on the two sides of the fuse terminal cover 1, and the mesh plates keep communication with the inside of the structure space 6, so as to solve the problem of heat dissipation caused by the design of the fuse terminal cover being more and more compact.
[0022] Preferably, a groove 4 is arranged on the top of the fuse terminal cover 1, and opposite symmetrical opening and closing plates 5 are arranged in the inside of the groove 4, the groove 4 can be arranged to maintain sufficient mechanical strength and electrical performance, and reduce the material cost of the fuse terminal cover 1, and the design of the opening and closing plates 5 can facilitate the hand holding of the fuse terminal cover 1, so that the fuse terminal cover 1 is separated from the fuse terminal.
[0023] Preferably, the torsion springs 9 can push the pressing rod 12 into the inside of the buckling grooves 3 through the transmission of the eyelets 10 and the arc-shaped rods 11 in the natural state, and have a good self-locking effect.
[0024] Although the utility model has been described in detail above with general description and specific embodiments, some modifications or improvements can be made on the basis of the utility model, which is obvious to those skilled in the art. Therefore, these modifications or improvements made on the basis of not deviating from the spirit of the utility model all belong to the range of protection required by the utility model.
Claims
1. A self-locking anti-dropping fuse terminal cover, comprising a fuse terminal cover (1), characterized in that: The insurance terminal cover (1) is arranged outside the insurance terminal as an external protective layer of the insurance terminal, and the outer side of the insurance terminal cover (1) is provided with a anti-off structure (2) locked with the insurance terminal; The anti-off structure (2) comprises a first fixed rod (7) and a second fixed rod (8) arranged on both sides of the insurance terminal respectively, the first fixed rod (7) and the second fixed rod (8) are distributed in an up-down manner, the outer side of the first fixed rod (7) is provided with a pair of side-by-side torsion springs (9), the upper end of the pair of torsion springs (9) is provided with a loop (10) and the lower end is arranged outside the insurance terminal, the inner side of the two loops (10) is arranged at the outer end of the second fixed rod (8), the outer end of the two loops (10) is provided with an arc-shaped rod (11), one end of the two arc-shaped rods (11) is provided with a pressing rod (12), the two sides of the insurance terminal cover (1) are provided with a buckle groove (3), and the pressing rod (12) is buckled on the inner side of the buckle groove (3).
2. The self-locking anti-disengaging terminal cover according to claim 1, characterized in that: The inside of the insurance terminal cover (1) is designed with a structure space (6) specially used for placing the fuse, the inside of the structure space (6) is aligned with the position of the fuse, and the two sides of the insurance terminal cover (1) are provided with a mesh plate.
3. The self-locking anti-disengaging terminal cover according to claim 1, characterized in that: The top of the insurance terminal cover (1) is provided with a recess (4), and the recess (4) is provided with a pair of symmetrical opening and closing plates (5) inside.
4. The self-locking anti-disengaging terminal cover according to claim 1, characterized in that: The torsion spring (9) in the natural state can drive the pressing rod (12) into the inside of the buckle groove (3) through the transmission of the loop (10) and the arc-shaped rod (11).