Fusing seat structure
By using connecting tab slots and snap-fit connections in the fuse holder, the current is directly conducted to the terminal, solving the overheating problem caused by screw overcurrent and achieving efficient and stable operation and long service life of the fuse holder.
Patent Information
- Application Number
- CN202520557005.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Existing fuse holders are prone to overheating and energy consumption under high current, leading to excessively high temperatures and damage to the fuse holder.
The connector uses a slotted connector and a snap-fit connection method, allowing current to be directly conducted to the terminal through the connector, thus avoiding overcurrent in the screw, reducing internal resistance, and minimizing energy loss.
The internal resistance of the fuse assembly is reduced, energy loss is decreased, battery efficiency and stability are improved, service life is extended, and safety and reliability are enhanced.
Smart Images

Figure CN223941775U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of fuse holder structure, specifically to fuse holder structure. Background Technology
[0002] The fuse holder is the base part of a fuse, used to fix the fuse element and connect the circuit. It usually forms a fuse together with the fuse element and fuse tube, connected in series in the circuit for protection. When the current exceeds a specified value, the fuse element melts, and the fuse holder ensures the circuit is reliably cut off, thus protecting the circuit and equipment from damage. Its main uses are overload protection and short-circuit protection. It is widely used in low-voltage power distribution networks and electric drive systems, and is a key component for electrical safety protection.
[0003] Currently, when using fuse holders, the fuse assembly is usually installed on the fuse holder, and the components are fixed together by some simple connection methods such as screw connection. Therefore, the current can be conducted through the screw for use.
[0004] However, during use, since the current is conducted through the screw, and the screw has a limited current-carrying area and poor current-carrying capacity, it is prone to heat generation and energy consumption. This causes the temperature of the entire fuse holder to become too high after a large current passes through the fuse assembly, thus damaging the fuse holder. Utility Model Content
[0005] Based on this, the purpose of this utility model is to provide a fuse holder structure to solve the technical problem that, since the current is conducted through the screw, and the screw has a limited current-carrying area, poor current-carrying capacity, and is prone to heat generation and energy consumption, a large current passing through the fuse assembly will cause the entire fuse holder to overheat and thus damage the fuse holder.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a fuse holder structure, including a battery compartment, a battery cover installed on the top of the battery compartment, a set of terminals installed on the top of the battery cover, and a fuse assembly installed on the bottom of the battery cover. The fuse assembly is connected to the corresponding terminals via connecting pieces. The fuse assembly includes a screw, a nut, a spring washer, a flat washer, a fuse body, and a connector. Several screws are provided at the bottom of the battery cover. Several nuts are movably connected to the surface of each screw. A spring washer is connected to the surface of each screw, and the spring washer is located below the nut at the top of each screw. Several flat washers are connected to the surface of each screw. Adjacent screws are connected via the fuse body, and a connector is provided between the fuse body and the flat washer.
[0007] By adopting the above technical solution, the current is conducted to the terminal through the connecting piece without passing through the screw, which avoids the overheating phenomenon caused by screw overcurrent. This greatly reduces the internal resistance of the fuse assembly, thereby reducing energy loss, reducing battery discharge voltage drop, improving battery efficiency and stability, effectively extending the service life of the battery and fuse holder, improving the safety and reliability of the entire device, and providing a strong guarantee for stable equipment operation.
[0008] The present invention is further provided that the top of the battery cover is provided with a connecting slot that fits with the fuse assembly.
[0009] By adopting the above technical solution, the connecting slot provides a specific installation position for the fuse assembly, ensuring the relative positional relationship between the components, which helps to improve the stability of the entire fuse holder structure and thus ensures the stability of current conduction.
[0010] The present invention is further configured such that a fuse holder cover is movably connected to the top of the connecting piece groove, and the connecting piece groove and the fuse holder cover are connected by a snap-fit method.
[0011] By adopting the above technical solution, the fuse holder cover can be opened quickly to enable maintenance and repair of the fuse assembly. The fuse holder cover can also protect the fuse assembly, preventing dust and other contaminants from entering and affecting its performance and service life. In addition, the snap-fit connection method facilitates quick opening and closing of the fuse holder cover.
[0012] In summary, the present invention has the following main advantages:
[0013] This invention allows current to flow through the connecting piece to the terminal without passing through the screw, thus avoiding overheating caused by screw overcurrent. This significantly reduces the internal resistance of the fuse assembly, thereby reducing energy loss, decreasing battery discharge voltage drop, improving battery efficiency and stability, effectively extending the service life of the battery and fuse holder, and enhancing the safety and reliability of the entire device, providing a strong guarantee for stable equipment operation. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;
[0015] Figure 2 This utility model Figure 1 A schematic diagram of the three-dimensional structure from another perspective;
[0016] Figure 3 This is a detailed view of the internal structure of the present utility model.
[0017] Figure 4This is a schematic diagram of the fuse element structure of this utility model;
[0018] Figure 5 This is a detailed structural diagram of the fuse element of this utility model.
[0019] In the diagram: 1. Battery slot; 2. Battery cover; 3. Terminal; 4. Fuse holder cover; 5. Fuse assembly; 6. Connecting piece; 7. Connecting piece slot; 8. Screw; 9. Nut; 10. Spring washer; 11. Flat washer; 12. Fuse body; 13. Connector. Detailed Implementation
[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.
[0021] The embodiments of this utility model will be described below based on its overall structure.
[0022] Fuse holder structure, such as Figure 1-5 As shown, the device includes a battery compartment 1, which stably holds the battery and limits its movement during operation, preventing it from shaking or colliding. A battery cover 2 is installed on top of the battery compartment 1 to enhance protection, preventing dust and foreign objects from entering and damaging the battery. A set of terminals 3 is installed on the top of the battery cover 2, allowing connection to an external circuit. This enables the battery's power to be transferred to other electrical devices and also allows the device to receive charging current from an external power source, ensuring the normal operation of the entire circuit system.
[0023] Subsequently, a fuse assembly 5 is installed at the bottom of the battery cover 2, and the fuse assembly 5 is connected to the corresponding terminal 3 through a connecting piece 6, so that the current can be directly conducted to the terminal 3 through the connecting piece 6. The fuse assembly 5 includes a screw 8, a nut 9, a spring washer 10, a flat washer 11, a fuse body 12, and a connector 13. Several screws 8 are provided at the bottom of the battery cover 2, and several nuts 9 are movably connected to the surface of each screw 8, so that the components on the screw 8 can be tightly fixed together to prevent loosening. A spring washer 10 is connected to the surface of each screw 8, and the spring washer 10 is located below the nut 9 at the top of each screw 8. The spring washer 10 can be used to secure the components on the screw 8. The elasticity of the fuse itself ensures that it maintains a certain preload under vibration or other external forces, further enhancing the stability of the connection and ensuring that the fuse assembly 5 can operate reliably under various working conditions. Each screw 8 has several flat washers 11 connected to its surface. Adjacent screws 8 are connected through the fuse body 12. Therefore, when the current is too high and the heat generated causes the fuse to melt, thereby cutting off the circuit and preventing the excessive current from damaging the battery and other equipment, and protecting the safety of the entire circuit system, a connector 13 can be provided between the fuse body 12 and the flat washers 11 to ensure that the fuse body 12 can be well connected to other components, thereby improving the circuit transmission efficiency.
[0024] Therefore, during use, the current is conducted through the connecting piece 6 to the terminal 3 without passing through the screw 8, which avoids the overheating phenomenon caused by the overcurrent problem of the screw 8. This greatly reduces the internal resistance of the fuse assembly 5, thereby reducing energy loss, reducing the battery discharge voltage drop, improving the battery's efficiency and stability, effectively extending the service life of the battery and fuse holder, improving the safety and reliability of the entire device, and providing a strong guarantee for the stable operation of the equipment.
[0025] Meanwhile, when installing the fuse assembly 5, first install the screw 8 at room temperature, then use screws, washers and other fasteners to install the fuse body 12 and the connector 13, and connect it to the terminal 3 through the connector slot 7.
[0026] Furthermore, a connecting slot 7 that fits into the fuse assembly 5 is provided on the top of the battery cover 2, thus providing a specific installation position for the fuse assembly 5, ensuring the relative positional relationship between the components, and improving the stability of the entire fuse holder structure. The fuse holder cover 4 is movably connected to the top of the connecting slot 7, so the fuse holder cover 4 can protect the fuse assembly 5, preventing dust and other contaminants from entering and affecting the performance and service life of the fuse assembly 5. The fuse holder cover 4 can also be quickly opened to enable maintenance and repair of the fuse assembly 5. The connecting slot 7 and the fuse holder cover 4 are connected by a snap-fit mechanism, which allows the fuse holder cover 4 to be opened and closed quickly.
[0027] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.
Claims
1. A fuse holder structure, comprising a battery compartment (1), wherein a battery cover (2) is mounted on the top of the battery compartment (1), and a set of terminals (3) is mounted on the top of the battery cover (2), characterized in that: A fuse assembly (5) is installed at the bottom of the battery cover (2), and the fuse assembly (5) is connected to the corresponding terminal (3) through a connecting piece (6). The fuse assembly (5) includes a screw (8), a nut (9), a spring washer (10), a flat washer (11), a fuse body (12), and a connector (13). Several screws (8) are provided at the bottom of the battery cover (2). Several nuts (9) are movably connected to the surface of each screw (8). A spring washer (10) is connected to the surface of each screw (8), and the spring washer (10) is located below the nut (9) at the top of each screw (8). Several flat washer (11) are connected to the surface of each screw (8). Adjacent screws (8) are connected through the fuse body (12). A connector (13) is provided between the fuse body (12) and the flat washer (11).
2. The fuse holder structure according to claim 1, characterized in that: The top of the battery cover (2) is provided with a connecting slot (7) that fits into the fuse assembly (5).
3. The fuse holder structure according to claim 2, characterized in that: The top of the connecting piece slot (7) is movably connected to the fuse holder cover (4), and the connecting piece slot (7) and the fuse holder cover (4) are connected by a snap-fit method.