Automobile fuse shell capable of protecting wire rod
The enhanced automobile fuse housing with multi-layered protection and secure connections addresses the vulnerability of wires by ensuring stability and safety against environmental stress, enhancing electrical reliability.
Patent Information
- Application Number
- CN202421910877.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-07
- Publication Date
- 2025-07-15
- Estimated Expiration
- 2034-08-07
AI Technical Summary
Traditional automobile fuse shells fail to effectively protect the wire, causing the wire to age and break in complex environments, affecting the stability and safety of the electrical system, and failing to meet the needs of high current and signal transmission.
A car fuse shell including a connecting shell, transmission port, protective cover, multi-layer protective sleeve and fixed structure is designed. Through components such as threaded connection, curved strips and limit blocks, joint protection clips, etc., the stability and durability of wire connections are enhanced, and electrical safety protection is provided.
It significantly improves the stability of wire connection and the safety of the electrical system, prevents wire from loosening or breaking, ensures smooth transmission of current and signals, resists environmental impact, and improves overall reliability and safety.
Smart Images

Figure CN223108833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile fuse shells, and specifically refers to an automobile fuse shell capable of protecting wire. Background Technique
[0002] When discussing the background technique of this automobile fuse shell capable of protecting wire, we have to mention the many challenges and requirements faced by the automobile electrical system. With the continuous progress of automobile technology and the increasing richness of functions, the automobile electrical system has become more and more complex, putting forward higher requirements for the reliability, safety and durability of each component.
[0003] First of all, the wire in the automobile electrical system, as a key element for energy and signal transmission, its stability and safety are directly related to the operation status of the whole vehicle and the safety of passengers. However, in the actual use process, the wire is often affected by various environmental factors, such as temperature fluctuations, humidity changes, vibration shocks and dust pollution, etc. These factors may cause the wire to age, break or have poor contact, thus triggering electrical failures or even safety accidents. Secondly, with the development of automobile intelligence and networking, the demand for current and signal transmission in the electrical system is increasing continuously, putting forward higher requirements for the load-bearing capacity and transmission efficiency of the wire. The traditional fuse shell design often only focuses on the protection of the fuse itself, while ignoring the comprehensive protection of the wire, which is particularly insufficient in the modern automobile electrical system.
[0004] In view of this, research and improvement are carried out on the existing structure and deficiencies, and an automobile fuse shell capable of protecting wire is provided, in order to achieve a more practical value purpose. Content of the Utility Model
[0005] (1) Technical Problems to be Solved
[0006] Aiming at the deficiencies of the existing technology, the utility model provides an automobile fuse shell capable of protecting wire, and solves the above problems.
[0007] (2) Technical Solutions
[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile fuse shell capable of protecting wire, including a shell, a connecting piece is connected to the center of the upper surface of the shell, a terminal is opened at the top end of the connecting piece, transmission ports are respectively fixedly connected to the outer ends of both sides of the shell, and connecting shells are respectively arranged on the front surfaces of the transmission ports, a protective sleeve is connected to the rear end of the connecting shell, wherein a protective cover is correspondingly sleeved on the outer end of the connecting piece, and a fixing rope is fixedly connected to one side of the outer end of the protective cover, and the other end of the fixing rope is fixedly connected to one side of the upper surface of the shell, and its characteristics are;
[0009] A fixing structure is respectively arranged inside the connection shell and is used for fixing and protecting the end of the wire.
[0010] The fixing structure includes an arc-shaped strip, a limiting block and a joint protection clip. A plurality of arc-shaped strips are installed around the inner wall of the connection shell in a circumferential manner. A limiting block is fixedly sleeved at the outer end of the joint. A plurality of sliding grooves are respectively formed on the outer circumferential surface of the limiting block, and the plurality of sliding grooves respectively correspond to and fit with the arc-shaped strips installed on the inner wall of the connection shell. A joint protection clip is arranged at the rear end of the joint, and the joint protection clip is correspondingly sleeved at the outer end of the wire body.
[0011] Preferably, grooves are respectively formed in the center of the front surface of the transmission port. A conductive socket is arranged inside the grooves, and threaded holes are respectively formed around the outer ends of the grooves.
[0012] Preferably, a limiting ring is fixedly arranged around the outer end of the front end of the connection shell. A plurality of screw rods are arranged around the outer end of the limiting block. A conical protective rubber ring is fixedly connected to the center of the rear end of the connection shell. One end of a protective sleeve is fixedly connected to the front end of the conical protective rubber ring. A joint is fixedly connected to the center inside the connection shell.
[0013] Preferably, the screw rods arranged at the front end of the connection shell and the threaded holes formed at the front end of the transmission port are correspondingly arranged and are in threaded connection. The front end of the joint extends to the outside of the connection shell through the inner wall of the connection shell. The front end of the joint and the conductive socket are correspondingly arranged, and the joint is inserted into the inside of the conductive socket. A wire body is fixedly connected to the center of the rear end of the joint, and the other end of the wire body is correspondingly arranged inside the protective sleeve through the inner wall of the connection shell and the inside of the conical protective rubber ring.
[0014] Preferably, the protective sleeve has multiple layers and includes an insulating layer, a heat-resistant layer and a flame-retardant layer. The flame-retardant layer is arranged on the outermost layer. The heat-resistant layer is closely attached to the inner side of the flame-retardant layer. The insulating layer is closely attached to the inner side of the heat-resistant layer. The outer end of the wire body is wrapped and attached to the inner surface of the insulating layer.
[0015] Preferably, the joint protection clip is composed of two upper and lower arc-shaped clip shells. A plurality of anti-slip strips are respectively fixedly arranged on the inner walls of the two arc-shaped clip shells. The outer end surfaces of the anti-slip strips are closely attached to the outer end surface of the wire body. A plurality of screw rods are respectively fixedly connected to both sides of the lower end of the upper arc-shaped clip shell. A plurality of connection holes are respectively formed on both sides of the upper end of the lower arc-shaped clip shell, and the screw rods and the connection holes are fixed by inserting pins.
[0016] (III) Beneficial effects
[0017] Compared with the prior art, the present utility model provides an automobile fuse shell capable of protecting wires, and has the following beneficial effects:
[0018] 1. Through a carefully designed connection structure and fixing mechanism, the automotive fuse housing significantly enhances the stability and durability of wire connections. A screw and threaded hole are tightly fitted between the connection shell and the transmission port, effectively resisting vibration and external shocks and preventing connection loosening. Meanwhile, the arc-shaped strip and the chute design of the limit block, as well as the double fastening of the joint protection clip, further stabilize the connection between the wire and the joint, ensuring that even under long-term use or harsh environmental conditions, the wire will not loosen or break due to tension or vibration. This design extends the service life of the wire and improves the overall reliability of the automotive circuit system.
[0019] 2. The automotive fuse housing performs excellently in terms of electrical safety and protection. The protective cover can tightly cover the connector when not in use, effectively isolating the intrusion of harmful substances such as dust and moisture, and protecting the internal circuit from damage. The precise plug-in design of the conductive socket and the joint ensures smooth transmission of current or signals, while reducing the risk of poor contact. In addition, the multi-layer protective sleeve (including a heat-resistant layer and a flame-retardant layer) provides comprehensive protection for the wire, which can not only resist the damage of the high-temperature environment to the wire but also prevent the spread of fire in extreme cases, greatly enhancing the safety of the electrical system. This design not only protects the wire and the circuit but also provides a safer driving environment for drivers and passengers. Description of the Drawings
[0020] Figure 1 Schematic diagram of the overall structure of the present utility model;
[0021] Figure 2 Schematic diagram of the fixing structure of the present utility model;
[0022] Figure 3 Schematic diagram of the joint protection clip structure of the present utility model;
[0023] Figure 4 Schematic diagram of the internal structure of the protective sleeve of the present utility model.
[0024] In the figure: 1. Housing; 2. Connector; 3. Terminal; 4. Fixing rope; 5. Protective cover; 6. Transmission port; 7. Connection shell; 8. Protective sleeve; 9. Conductive socket; 10. Screw; 11. Arc-shaped strip; 12. Joint; 13. Limit block; 14. Joint protection clip; 15. Wire body; 16. Conical protective rubber ring; 17. Arc-shaped clip shell; 18. Anti-slip strip; 19. Screw rod; 20. Insulating layer; 21. Heat-resistant layer; 22. Flame-retardant layer. Detailed Description of the Invention
[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0026] Please refer to Figures 1-4 , an automotive fuse housing capable of protecting wire harnesses, including a housing 1, a connector 2 is connected to the center of the upper surface of the housing 1, a terminal 3 is provided at the top end of the connector 2, transmission ports 6 are respectively fixedly connected to the outer ends of both sides of the housing 1, and connection shells 7 are respectively provided on the front surfaces of the transmission ports 6. A protective sleeve 8 is connected to the rear end of the connection shell 7. Among them, a protective cover 5 is correspondingly sleeved on the outer end of the connector 2, and a fixing rope 4 is fixedly connected to one side of the outer end of the protective cover 5, and the other end of the fixing rope 4 is fixedly connected to one side of the upper surface of the housing 1. Its characteristics are as follows;
[0027] Fixing structures are respectively arranged inside the connection shells 7 and are used for fixedly protecting the wire harness ends;
[0028] The fixing structure includes an arc-shaped strip 11, a limiting block 13, and a joint protection clip 14. A plurality of arc-shaped strips 11 are installed around the inner wall of the connection shell 7. A limiting block 13 is fixedly sleeved on the outer end of the joint 12, and a plurality of sliding grooves are respectively provided on the outer circumferential surface of the limiting block 13, and the plurality of sliding grooves respectively correspond to and fit with the arc-shaped strips 11 installed on the inner wall of the connection shell 7. Among them, a joint protection clip 14 is provided at the rear end of the joint 12, and the joint protection clip 14 is correspondingly sleeved on the outer end of the wire harness body 15.
[0029] Further, grooves are respectively provided at the centers of the front surfaces of the transmission ports 6, conductive sockets 9 are arranged inside the grooves, and threaded holes are respectively provided around the outer ends of the grooves.
[0030] Further, a limiting ring is fixedly provided around the outer end of the front end of the connection shell 7, a plurality of screw rods 10 are arranged around the outer end of the limiting block, a conical protective rubber ring 16 is fixedly connected to the center of the rear end of the connection shell 7, and one end of the protective sleeve 8 is fixedly connected to the front end of the conical protective rubber ring 16. Among them, a joint 12 is fixedly connected to the center inside the connection shell 7.
[0031] Further, the screw rods 10 provided at the front end of the connecting shell 7 are correspondingly arranged with the threaded holes formed at the front end of the transmission port 6 and are in threaded connection. The front end of the joint 12 extends to the outer end of the connecting shell 7 through the inner wall of the connecting shell 7, and the front end of the joint 12 is correspondingly arranged with the conductive socket 9, and the joint 12 is inserted into the inside of the conductive socket 9. A wire body 15 is fixedly connected to the center of the rear end of the joint 12, and the other end of the wire body 15 is correspondingly arranged inside the protective sleeve 8 through the inner wall of the connecting shell 7 and the inside of the conical protective rubber ring 16.
[0032] Further, the protective sleeve 8 is provided with multiple layers and includes an insulating layer 20, a heat-resistant layer 21 and a flame-retardant layer 22. The flame-retardant layer 22 is arranged on the outermost layer, the heat-resistant layer 21 is closely attached to the inner side of the flame-retardant layer 22, and the insulating layer 20 is closely attached to the inner side of the heat-resistant layer 21. The outer end surface of the wire body 15 is wrapped and attached to the inner side surface of the insulating layer 20.
[0033] Further, the joint protection clip 14 is composed of two upper and lower arc-shaped shells 17. A plurality of anti-slip strips 18 are fixedly arranged on the inner walls of the two arc-shaped shells 17 respectively, and the outer end surfaces of the anti-slip strips 18 are closely attached to the outer end surface of the wire body 15. A plurality of screw rods 19 are fixedly connected to both sides of the lower end of the upper arc-shaped shell 17 respectively, a plurality of connection holes are formed on both sides of the upper end of the lower arc-shaped shell 17 respectively, and the screw rods 19 are inserted and fixed with the connection holes.
[0034] Working principle: The outer shell 1 serves as the main body, providing an overall protection framework. The connecting piece 2 at the center of its top is used to connect with external devices or circuits, and the electrical signal is transmitted through the terminal 3. The transmission ports 6 are located on both sides of the outer shell and are the channels for the wire to enter and exit. A connecting shell 7 is equipped at the front end of each transmission port to further reinforce and protect the wire connection. The protective cover 5 is connected to the outer shell through the fixing rope 4 and covers the connecting piece 2 when not in use to prevent dust, moisture, etc. from invading and protect the internal circuit from damage. The conductive socket 9 is arranged in the groove of the transmission port 6 and corresponds to and is inserted into the front end of the connector 12 to form an electrical connection. This design ensures that the current or signal can smoothly pass from the external wire through the fuse outer shell to the internal circuit. The cooperation of the screw 10 and the threaded hole not only realizes the tight fixation of the connecting shell 7 and the transmission port 6, but also provides additional mechanical strength to prevent loosening caused by vibration or external force. The multi-layer structure of the conical protective rubber ring 16 and the protective sleeve 8, the heat-resistant layer 21 resists high-temperature environments and protects the wire from heat damage; the flame-retardant layer 22 prevents the spread of fire in extreme cases and improves the overall safety. The cooperation of the arc-shaped strip 11 and the limiting block 13 realizes the stable positioning of the connector 12 in the connecting shell 7 through the close fit of the chute and the arc-shaped strip, preventing displacement caused by wire tension or vibration. The connector protection clip 14 is composed of two upper and lower arc-shaped clip shells 17, which are closely attached to the wire body 15 through the anti-slip strip 18 and are fixed by the insertion pin of the screw rod 19 and the connecting hole, further enhancing the fixing effect of the wire at the connector and preventing the wire from loosening or breaking due to long-term use or external factors.
[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automotive fuse housing capable of protecting wire harnesses, comprising a housing (1), a connecting member (2) is connected to the center of the upper surface of the housing (1), a terminal (3) is provided at the top end of the connecting member (2), transmission ports (6) are respectively fixedly connected to the outer ends of both sides of the housing (1), and connecting shells (7) are respectively arranged on the front surfaces of the transmission ports (6), a protective sleeve (8) is connected to the rear end of the connecting shell (7), wherein a protective cover (5) is correspondingly sleeved on the outer end of the connecting member (2), and a fixing rope (4) is fixedly connected to one side of the outer end of the protective cover (5), and the other end of the fixing rope (4) is fixedly connected to one side of the upper surface of the housing (1), characterized in that; Further comprising; A fixing structure, which is respectively arranged inside the connecting shell (7) and is used for fixing and protecting the end of the wire; The fixing structure comprises an arc-shaped strip (11), a limiting block (13) and a joint protection clip (14). A plurality of arc-shaped strips (11) are installed around the inner wall of the connecting shell (7). A limiting block (13) is fixedly sleeved at the outer end of the joint (12). A plurality of sliding grooves are respectively formed on the outer peripheral surface of the limiting block (13), and the plurality of sliding grooves respectively correspond to and fit with the arc-shaped strips (11) installed on the inner wall of the connecting shell (7). A joint protection clip (14) is arranged at the rear end of the joint (12), and the joint protection clip (14) is correspondingly sleeved at the outer end of the wire body (15).
2. The automotive fuse housing capable of protecting wire according to claim 1, characterized in that: Grooves are respectively formed in the center of the front surface of the transmission port (6). A conductive socket (9) is arranged inside the grooves, and threaded holes are respectively formed around the outer ends of the grooves.
3. The automotive fuse housing capable of protecting wire according to claim 1, wherein: A limiting ring is fixedly arranged around the outer end of the front end of the connecting shell (7). A plurality of screw rods (10) are arranged around the outer end of the limiting block. A conical protective rubber ring (16) is fixedly connected to the center of the rear end of the connecting shell (7). One end of the protective sleeve (8) is fixedly connected to the front end of the conical protective rubber ring (16). A joint (12) is fixedly connected to the center of the inside of the connecting shell (7).
4. The automotive fuse housing capable of protecting wire according to claim 3, wherein: The screw rods (10) arranged at the front end of the connecting shell (7) and the threaded holes formed at the front end of the transmission port (6) are correspondingly arranged and are in threaded connection. The front end of the joint (12) extends to the outside of the connecting shell (7) through the inner wall of the connecting shell (7). The front end of the joint (12) corresponds to the conductive socket (9), and the joint (12) is inserted into the inside of the conductive socket (9). A wire body (15) is fixedly connected to the center of the rear end of the joint (12). The other end of the wire body (15) is correspondingly arranged inside the protective sleeve (8) through the inner wall of the connecting shell (7) and the inside of the conical protective rubber ring (16).
5. A car fuse housing capable of protecting wire, characterized in that: The protective sleeve (8) has multiple layers and comprises an insulating layer (20), a heat-resistant layer (21) and a flame-retardant layer (22). The flame-retardant layer (22) is arranged on the outermost layer. The heat-resistant layer (21) is closely attached to the inner side of the flame-retardant layer (22). The insulating layer (20) is closely attached to the inner side of the heat-resistant layer (21). The outer end of the wire body (15) is wrapped and attached to the inner surface of the insulating layer (20).
6. The automotive fuse housing capable of protecting wire according to claim 1, wherein: The joint protection clip (14) is composed of two upper and lower arc-shaped clip shells (17). A plurality of anti-slip strips (18) are respectively fixedly arranged on the inner walls of the two arc-shaped clip shells (17). The outer surface of the anti-slip strips (18) is closely attached to the outer surface of the wire body (15). A plurality of screw rods (19) are respectively fixedly connected to both sides of the lower end of the upper arc-shaped clip shell (17). A plurality of connection holes are respectively formed on both sides of the upper end of the lower arc-shaped clip shell (17). The screw rods (19) and the connection holes are in plug-in fixation.