Fuse box for automotive electrical system

Abstract

The application relates to a fuse box for an automobile electrical system and relates to the technical field of fuse boxes, which comprises a box seat, a box cover detachably arranged on the box seat, a first conductive sheet, a second conductive sheet and a third conductive sheet arranged in the box seat, a first flow guide sheet rotatably arranged on the first conductive sheet, a first fuse commonly arranged on the first flow guide sheet and the third conductive sheet, and the first flow guide sheet and the third conductive sheet being detachably connected with the first fuse, a second flow guide sheet rotatably arranged on the second conductive sheet, a second fuse commonly arranged on the second flow guide sheet and the third conductive sheet, and the second flow guide sheet and the third conductive sheet being detachably connected with the second fuse. The application has the effect of reducing the change frequency of a fuse box production line.

Description

Technical Field

[0001] This invention relates to the field of fuse box technology, and in particular to a fuse box for automotive electrical systems. Background Technology

[0002] In automotive electrical systems, fuses, as the core component for circuit overload protection, are installed in fuse boxes. They cut off the current when the circuit is overloaded or short-circuited through a melting mechanism, thereby protecting the electrical system.

[0003] A related technology, Chinese patent CN107369598B, provides a fuse box for an automotive engine compartment. It includes a base and a cover that can be fastened together. The base has a partition groove, a first fuse slot, and a second fuse slot, with the partition groove separating the first and second fuse slots. The base also has a first mounting groove and a second mounting groove, with a first conductive plate and a second conductive plate embedded inside, respectively. The first and second conductive plates have a first terminal and a second terminal fixedly connected to their ends, respectively. A T-shaped third mounting groove is formed on the other side of the first and second fuse slots, with a T-shaped third conductive plate embedded within it. Each of the three ends of the third conductive plate has a main terminal fixedly connected to it. Each first terminal, second terminal, and main terminal has a threaded locking nut. Place the two fuses into the first fuse slot and the second fuse slot respectively. Then, attach the two ends of the fuse in the first fuse slot to the adjacent first terminal and main terminal respectively; attach the two ends of the fuse in the second fuse slot to the adjacent second terminal and main terminal respectively. Finally, tighten the lock nut to secure both ends of the fuses.

[0004] In the process of developing this application, the inventors discovered that the technology has at least the following problems: Since the relative positions of the fuse slot, conductive sheet and terminal block in the fuse holder remain relatively stationary, and the length and pin spacing of different specifications of fuses are different, when it is necessary to adapt to different specifications of fuses, the size of the fuse slot and the layout of the terminal block need to be changed accordingly. It is not convenient to achieve production using the same set of molds. It is necessary to open molds separately for different specifications of fuses. Therefore, the production of fuse boxes requires the use of multiple types of molds. When switching the production specifications of fuse boxes, it is necessary to stop the machine for mold replacement and equipment debugging and verification, resulting in low changeover efficiency of the fuse box production line. Summary of the Invention

[0005] In order to reduce the changeover frequency of fuse box production lines, this application provides a fuse box for automotive electrical systems.

[0006] The technical solution for a fuse box used in an automotive electrical system provided in this application is as follows: A fuse box for an automotive electrical system includes a box base with a detachable cover. A first conductive plate, a second conductive plate, and a third conductive plate are disposed within the box base. A first current-guiding plate is rotatably disposed on the first conductive plate. A first fuse is jointly disposed on the first current-guiding plate and the third conductive plate, and both the first current-guiding plate and the third conductive plate are detachably connected to the first fuse. A second current-guiding plate is rotatably disposed on the second conductive plate. A second fuse is jointly disposed on the second current-guiding plate and the third conductive plate, and both the second current-guiding plate and the third conductive plate are detachably connected to the second fuse.

[0007] By adopting the above technical solution, the first guide plate can rotate around the first conductive plate, and the distance between the first guide plate and the third conductive plate can be adjusted by rotating the first guide plate. The second guide plate can rotate around the second conductive plate, and the distance between the second guide plate and the third conductive plate can be adjusted by rotating the second guide plate. This facilitates the adaptation of fuses of different lengths and pin spacing specifications, improves the versatility of the fuse box, reduces the number of molds to be developed, reduces downtime for mold replacement and equipment debugging during fuse box production, reduces the number of fuse box production line changeovers, shortens the non-production time caused by specification switching during fuse box production, and facilitates continuous production of the fuse box production line.

[0008] Preferably, a first terminal is fixedly disposed on the first conductive sheet, a first conductive terminal is shared on the first conductive sheet and the first current-guiding sheet, a first current-guiding terminal is shared on the first current-guiding sheet and the first fuse, a second terminal is fixedly disposed on the second conductive sheet, a second conductive terminal is shared on the second conductive sheet and the second current-guiding sheet, a second current-guiding terminal is shared on the second current-guiding sheet and the second fuse, and a main terminal, a first auxiliary terminal and a second auxiliary terminal are fixedly disposed on the third conductive sheet, the first auxiliary terminal is detachably connected to the first fuse, and the second auxiliary terminal is detachably connected to the second fuse.

[0009] By adopting the above technical solution, the main terminal, the first terminal, and the second terminal are used for external circuit connection. The first auxiliary terminal, the first current-conducting terminal, and the first conductive terminal electrically connect the third conductive piece, the first fuse, the first current-conducting piece, and the first conductive piece. The second auxiliary terminal, the second current-conducting terminal, and the second conductive terminal electrically connect the third conductive piece, the second fuse, the second current-conducting piece, and the second conductive piece.

[0010] Preferably, the first conductive terminal, the first current-conducting terminal, and the first auxiliary terminal are arranged in parallel, and the second conductive terminal, the second current-conducting terminal, and the second auxiliary terminal are arranged in parallel, with the rotation axis of the first auxiliary terminal and the rotation axis of the second auxiliary terminal coinciding with each other.

[0011] By adopting the above technical solution, when the first guide plate and the first fuse are in motion, the projection along the axial direction of the first auxiliary terminal is the first range, and when the second guide plate and the second fuse are in motion, the projection along the axial direction of the second auxiliary terminal is the second range. The first range and the second range overlap, thereby reducing the volume of the fuse box.

[0012] Preferably, a first conductive base is fixedly disposed on the first conductive sheet, and a first conductive terminal passes through the first conductive base and the first guide plate. A set of first conductive nuts is threaded onto the first conductive terminal, and the first conductive nuts are used to abut against the first guide plate and the first conductive base. A second conductive base is fixedly disposed on the second conductive sheet, and a second conductive terminal passes through the second conductive base and the second guide plate. A set of second conductive nuts is threaded onto the second conductive terminal, and the second conductive nuts are used to abut against the second guide plate and the second conductive base. A first auxiliary conductive base and a second auxiliary conductive base are fixedly disposed on the third conductive sheet, and a first auxiliary terminal passes through the first auxiliary conductive base and the first fuse. A set of first auxiliary nuts is threaded onto the first auxiliary terminal, and the first auxiliary nuts are used to abut against the first auxiliary conductive base. A second auxiliary terminal passes through the second auxiliary conductive base and the second fuse, and a set of second auxiliary nuts is threaded onto the second auxiliary terminal, and the second auxiliary nuts are used to abut against the second auxiliary conductive base.

[0013] By adopting the above technical solution, the first conductive piece and the first current guide piece are connected through the first conductive base, the first conductive terminal and the first conductive nut; the second conductive piece and the second current guide piece are connected through the second conductive base, the second conductive terminal and the second conductive nut; the third conductive piece and the first fuse are connected through the first auxiliary conductive base, the first auxiliary terminal and the first auxiliary nut; and the third conductive piece and the second fuse are connected through the second auxiliary conductive base, the second auxiliary terminal and the second auxiliary nut.

[0014] Preferably, the first terminal is perpendicular to the first conductive terminal, the second terminal is perpendicular to the second conductive terminal, the main terminal is perpendicular to the first auxiliary terminal, the main terminal is perpendicular to the second auxiliary terminal, the first terminal, the second terminal and the main terminal are arranged in parallel, and the first terminal, the second terminal and the main terminal are all arranged vertically.

[0015] By adopting the above technical solution, the first terminal, the second terminal, and the main terminal are all set along the height direction, reducing the horizontal dimension of the fuse box.

[0016] Preferably, the first flow guide terminal passes through the first flow guide plate and the first fuse, and a set of first flow guide nuts are threaded onto the first flow guide terminal, the first flow guide nuts being used to abut against the first flow guide plate and the first fuse; the second flow guide terminal passes through the second flow guide plate and the second fuse, and a set of second flow guide nuts are threaded onto the second flow guide terminal, the second flow guide nuts being used to abut against the second fuse; a main nut is threaded onto the main terminal; a first nut is threaded onto the first terminal; and a second nut is threaded onto the second terminal.

[0017] By adopting the above technical solution, the first guide plate and the first fuse are connected through the first guide terminal and the first guide nut; the second guide plate and the second fuse are connected through the second guide terminal and the second guide nut; the third conductive plate is connected to the external circuit through the main terminal and the main nut; the first conductive plate is connected to the external circuit through the first terminal and the first nut; and the second conductive plate is connected to the external circuit through the second terminal and the second nut.

[0018] Preferably, the housing has a first groove, a second groove, and a third groove. The first groove and the second groove are both located on one side of the third groove. The first groove and the second groove are symmetrically arranged on both sides of the central axis of the third groove. The first conductive sheet is fixedly disposed in the first groove, the second conductive sheet is fixedly disposed in the second groove, and the third conductive sheet is fixedly disposed in the third groove.

[0019] By adopting the above technical solution, the first conductive sheet is embedded in the first groove, the second conductive sheet is embedded in the second groove, and the third conductive sheet is embedded in the third groove.

[0020] Preferably, the housing has a first clearance groove and a second clearance groove. The first clearance groove is located between the first groove and the third groove, and the second clearance groove is located between the second groove and the third groove. The first clearance groove and the second clearance groove are symmetrically arranged on both sides of the central axis of the third groove. The first clearance groove is for inserting the first fuse and the first guide vane, and the second clearance groove is for inserting the second fuse and the second guide vane.

[0021] By adopting the above technical solution, the first clearance groove provides clearance space for the first fuse and the first guide vane, and the second clearance groove provides clearance space for the second fuse and the second guide vane.

[0022] Preferably, a partition groove is formed in the box base, the partition groove is located between the first relief groove and the second relief groove, the central axis of the partition groove coincides with the central axis of the third groove, the first groove and the second groove are symmetrically arranged on both sides of the partition groove, the first relief groove and the second relief groove are symmetrically arranged on both sides of the partition groove, a partition plate is fixedly installed on the side of the box cover facing the box base, the end of the partition plate away from the box cover is used to be inserted into the partition groove, and the inner wall of the box cover, the box base and the partition groove are all in contact with the outer wall of the partition plate.

[0023] By adopting the above technical solution, when the box cover and the box seat are fastened together, the partition plate separates the first fuse and the second fuse.

[0024] Preferably, a sealing frame is fixedly installed on the box base. The side of the first conductive sheet away from the inner wall of the first groove, the side of the second conductive sheet away from the inner wall of the second groove, the side of the third conductive sheet away from the inner wall of the third groove, and the side of the box base facing the box cover are all in contact with the side of the sealing frame away from the box cover. A sealing groove is opened on the side of the sealing frame facing the box cover, and a sealing adhesive layer is provided on the inner wall of the sealing groove. A sealing cover is fixedly installed on the side of the box cover facing the box base. The end of the sealing cover away from the box cover is used to be inserted into the sealing groove, and the sealing adhesive layer is used to abut against the outer wall of the sealing cover. The first terminal, the second terminal, and the main terminal are all located outside the sealing frame and the sealing cover. The partition plate, the first auxiliary terminal, the second auxiliary terminal, the first current guiding terminal, the second current guiding terminal, the first conductive terminal, the second conductive terminal, the first fuse, the second fuse, the first current guiding sheet, and the second current guiding sheet are all located inside the sealing frame and the sealing cover. The sealing cover and the sealing frame are all in contact with the outer wall of the partition plate.

[0025] By adopting the above technical solution, the first fuse and the second fuse are located in the enclosed space formed by the box seat, the box cover, the sealing frame and the sealing cover.

[0026] In summary, this application includes at least one of the following beneficial technical effects: 1. By setting up a box base, box cover, first conductive plate, second conductive plate, third conductive plate, first current guide plate, first fuse, second current guide plate, and second fuse, the distance between the first current guide plate and the third conductive plate can be adjusted by rotating the first current guide plate, and the distance between the second current guide plate and the third conductive plate can be adjusted by rotating the second current guide plate. This facilitates the adaptation of fuses of different lengths and pin pitch specifications, improves the versatility of the fuse box, reduces the number of molds to be developed, reduces downtime for mold replacement and equipment debugging during fuse box production, reduces the number of fuse box production line changeovers, shortens the non-production time caused by specification switching during fuse box production, and facilitates continuous production of the fuse box production line. 2. By setting a first clearance groove and a second clearance groove, the first clearance groove provides clearance space for the first fuse and the first guide vane, and the second clearance groove provides clearance space for the second fuse and the second guide vane; 3. By setting a sealing frame, sealing groove, sealing adhesive layer and sealing cover, the first fuse and the second fuse are located in the closed space formed by the box seat, box cover, sealing frame and sealing cover. Attached Figure Description

[0027] Figure 1 This is a cross-sectional view of a fuse box for an automotive electrical system according to an embodiment of this application.

[0028] Figure 2 yes Figure 1 Enlarged view of section A.

[0029] Figure 3 This is a schematic diagram illustrating the positional relationship between the first fuse and the second fuse in an embodiment of this application.

[0030] Figure 4 This is a schematic diagram illustrating the positional relationship between the first clearance groove and the second clearance groove in an embodiment of this application.

[0031] Figure 5 This is a schematic diagram illustrating the connection relationship between the first fuse and the second fuse in an embodiment of this application.

[0032] Figure 6 This is a schematic diagram illustrating the connection relationship between the first fuse and the first guide vane in an embodiment of this application.

[0033] Figure 7 This is a schematic diagram illustrating the connection relationship between the first conductive sheet and the third conductive sheet in an embodiment of this application.

[0034] Figure 8 This is a schematic diagram illustrating the connection relationship between the second fuse and the second guide plate in an embodiment of this application.

[0035] Figure 9 This is a schematic diagram illustrating the connection relationship between the second conductive sheet and the third conductive sheet in an embodiment of this application.

[0036] Explanation of reference numerals in the attached drawings: 1. Box cover; 11. Sealing cover; 12. Partition plate; 2. Box base; 21. First groove; 22. Second groove; 23. Third groove; 24. Partition groove; 25. First clearance groove; 26. Second clearance groove; 27. Sealing frame; 271. Sealing groove; 272. Sealing adhesive layer; 3. First conductive sheet; 31. First conductive terminal; 311. First conductive base; 312. First conductive nut; 32. First terminal; 321. First nut; 4. Second conductive sheet; 41. Second conductive terminal; 411. Second conductive base ; 412, Second conductive nut; 42, Second terminal; 421, Second nut; 5, Third conductive piece; 51, Main terminal; 511, Main nut; 52, First auxiliary terminal; 521, First auxiliary conductive base; 522, First auxiliary nut; 53, Second auxiliary terminal; 531, Second auxiliary conductive base; 532, Second auxiliary nut; 6, First fuse; 7, Second fuse; 8, First guide piece; 81, First guide terminal; 82, First guide nut; 9, Second guide piece; 91, Second guide terminal; 92, Second guide nut. Detailed Implementation

[0037] The following is in conjunction with the appendix Figure 1-9 This application will be described in further detail.

[0038] This application discloses a fuse box for an automotive electrical system. (Refer to...) Figures 1 to 4 The enclosure includes a base 2, on which a lid 1 is fastened. The base 2 has a first groove 21, a second groove 22, a third groove 23, a first clearance groove 25, and a second clearance groove 26. All three grooves are located on one side of the third groove 23. The first groove 21 and the second groove 22 are symmetrically arranged on either side of the central axis of the third groove 23, as are the first clearance grooves 25 and 26. The first clearance groove 25 is located between the first groove 21 and the third groove 23, and the second clearance groove 26 is located between the second groove 22 and the third groove 23. A first conductive sheet 3 is embedded in the first groove 21, a second conductive sheet 4 is embedded in the second groove 22, and a third conductive sheet 5 is embedded in the third groove 23.

[0039] Reference Figures 3 to 9A first conductive plate 3 has a first terminal 32 mounted vertically on it, and a first nut 321 is threaded onto the first terminal 32. The first conductive plate 3 is connected to the external circuit through the first terminal 32 and the first nut 321. A second conductive plate 4 has a second terminal 42 mounted vertically on it, and a second nut 421 is threaded onto the second terminal 42. The second conductive plate 4 is connected to the external circuit through the second terminal 42 and the second nut 421. A third conductive plate 5 has a main terminal 51 mounted vertically on it, and a main nut 511 is threaded onto the main terminal 51. The third conductive plate 5 is connected to the external circuit through the main terminal 51 and the main nut 511.

[0040] Reference Figures 3 to 9 A first conductive plate 3 is rotatably connected to a first guide plate 8. A first fuse 6 is connected to both the first guide plate 8 and the third conductive plate 5. Both the first guide plate 8 and the third conductive plate 5 are detachably connected to the first fuse 6. A first clearance groove 25 provides clearance space for the first fuse 6 and the first guide plate 8. The first guide plate 8 can rotate around the first conductive plate 3, adjusting the distance between the first guide plate 8 and the third conductive plate 5. A second guide plate 9 is rotatably connected to a second conductive plate 4. A second fuse 7 is connected to both the second guide plate 9 and the third conductive plate 5. Both the second guide plate 9 and the third conductive plate 5 are detachably connected to the second fuse 7. A second clearance groove 26 provides clearance space for the second fuse 7 and the second guide plate 9. The second guide plate 9 can rotate around the second conductive plate 4, and the distance between the second guide plate 9 and the third conductive plate 5 can be adjusted by rotating the second guide plate 9. This facilitates the adaptation of fuses of different lengths and pin pitches, improves the versatility of the fuse box, and reduces the number of molds required. During fuse box production, it reduces downtime for mold replacement and equipment debugging, reduces the number of fuse box production line changeovers, shortens non-production time caused by specification changes during fuse box production, and facilitates continuous production of the fuse box production line.

[0041] To achieve electrical connection between the third conductive piece 5, the first fuse 6, the first current-conducting piece 8, and the first conductive piece 3. (Reference) Figure 6 and Figure 7A first conductive base 311 is mounted on the first conductive sheet 3, and a first conductive terminal 31 is mounted on the first conductive base 311. The first conductive terminal 31 passes through the first guide sheet 8. A set of first conductive nuts 312 are threaded onto the first conductive terminal 31, which are used to abut against the first conductive base 311. The first conductive sheet 3 and the first guide sheet 8 are connected through the first conductive base 311, the first conductive terminal 31, and the first conductive nuts 312. The first guide sheet 8 and the first fuse 6 both pass through the first guide terminal 81, and a set of first guide nuts 82 are threaded onto the first guide terminal 81, which are used to abut against the first fuse 6. The first guide sheet 8 and the first fuse 6 are connected through the first guide terminal 81 and the first guide nut 82. A first auxiliary conductive base 521 is mounted on the third conductive plate 5. A first auxiliary terminal 52 is mounted on the first auxiliary conductive base 521, and the first auxiliary terminal 52 passes through the first fuse 6. A set of first auxiliary nuts 522 are threaded onto the first auxiliary terminal 52, and the first auxiliary nuts 522 are used to abut against the first auxiliary conductive base 521. The third conductive plate 5 and the first fuse 6 are connected through the first auxiliary conductive base 521, the first auxiliary terminal 52, and the first auxiliary nuts 522.

[0042] To achieve electrical connection between the third conductive piece 5, the second fuse 7, the second current-conducting piece 9, and the second conductive piece 4. (Reference) Figure 8 and Figure 9 A second conductive base 411 is mounted on the second conductive plate 4, and a second conductive terminal 41 is mounted on the second conductive base 411, passing through the second guide plate 9. A set of second conductive nuts 412 are threaded onto the second conductive terminal 41, which are used to abut the second guide plate 9 against the second conductive base 411. The second conductive plate 4 and the second guide plate 9 are connected through the second conductive base 411, the second conductive terminal 41, and the second conductive nut 412. The second guide plate 9 and the second fuse 7 share a second guide terminal 91, which is threaded onto the second guide terminal 91, and a set of second guide nuts 92 are threaded onto the second guide terminal 91, which are used to abut the second guide plate 9 against the second fuse 7. The second guide plate 9 and the second fuse 7 are connected through the second guide terminal 91 and the second guide nut 92. A second auxiliary conductive base 531 is mounted on the third conductive plate 5, and a second auxiliary terminal 53 is mounted on the second auxiliary conductive base 531, passing through the second fuse 7. A set of second nuts 532 is threaded onto the second terminal 53. The second nuts 532 are used to abut the second fuse 7 against the second conductive base 531. The third conductive piece 5 is connected to the second fuse 7 through the second conductive base 531, the second terminal 53, and the second nuts 532.

[0043] Reference Figures 1 to 9 When the first guide vane 8 and the first fuse 6 are movable, their projections along the axial direction of the first auxiliary terminal 52 constitute the first range. When the second guide vane 9 and the second fuse 7 are movable, their projections along the axial direction of the second auxiliary terminal 53 constitute the second range. To make the first range and the second range coincide and reduce the volume of the fuse box, the first terminal 32, the second terminal 42, and the main terminal 51 are arranged in parallel. The first terminal 32 is perpendicular to the first conductive terminal 31, the second terminal 42 is perpendicular to the second conductive terminal 41, the main terminal 51 is perpendicular to the first auxiliary terminal 52, and the main terminal 51 is perpendicular to the second auxiliary terminal 53. The rotation axis of the first auxiliary terminal 52 and the rotation axis of the second auxiliary terminal 53 coincide. The first conductive terminal 31, the first current-guiding terminal 81, and the first auxiliary terminal 52 are arranged in parallel, as are the second conductive terminal 41, the second current-guiding terminal 91, and the second auxiliary terminal 53.

[0044] Reference Figures 1 to 4 A partition groove 24 is formed inside the box base 2, located between the first clearance groove 25 and the second clearance groove 26. The central axis of the partition groove 24 coincides with the central axis of the third groove 23. The first groove 21 and the second groove 22 are symmetrically arranged on both sides of the partition groove 24, as are the first clearance groove 25 and the second clearance groove 26. A partition plate 12 is installed on the side of the box cover 1 facing the box base 2. The end of the partition plate 12 away from the box cover 1 is inserted into the partition groove 24. The inner walls of the box cover 1, the box base 2, and the partition groove 24 are all in contact with the outer wall of the partition plate 12. When the box cover 1 and the box base 2 are fastened together, the partition plate 12 separates the first fuse 6 and the second fuse 7.

[0045] To ensure that the first fuse 6 and the second fuse 7 are located within the enclosed space formed by the housing 2, the housing cover 1, the sealing frame 27, and the sealing cover 11. (Refer to...) Figures 1 to 9A sealing frame 27 is installed on the box base 2. The side of the first conductive sheet 3 away from the inner wall of the first groove 21, the side of the second conductive sheet 4 away from the inner wall of the second groove 22, the side of the third conductive sheet 5 away from the inner wall of the third groove 23, and the side of the box base 2 facing the box cover 1 are all in contact with the side of the sealing frame 27 away from the box cover 1. A sealing groove 271 is formed on the side of the sealing frame 27 facing the box cover 1, and the inner wall of the sealing groove 271 is covered with a sealing adhesive layer 272. A sealing cover 11 is installed on the side of the box cover 1 facing the box base 2. The end of the sealing cover 11 away from the box cover 1 is used to insert into the sealing groove 271, and the sealing adhesive layer 272 is used to abut against the outer wall of the sealing cover 11. The first terminal 32, the second terminal 42, and the main terminal 51 are all located outside the sealing frame 27 and the sealing cover 11. The partition plate 12, the first auxiliary terminal 52, the second auxiliary terminal 53, the first current guiding terminal 81, the second current guiding terminal 91, the first conductive terminal 31, the second conductive terminal 41, the first fuse 6, the second fuse 7, the first current guiding plate 8, and the second current guiding plate 9 are all located inside the sealing frame 27 and the sealing cover 11. The sealing cover 11 and the sealing frame 27 are both in contact with the outer wall of the partition plate 12.

[0046] The implementation principle of a fuse box for an automotive electrical system according to an embodiment of this application is as follows: a first guide plate 8 can rotate around a first conductive plate 3, and the distance between the first guide plate 8 and the third conductive plate 5 can be adjusted by rotating the first guide plate 8. A second guide plate 9 can rotate around a second conductive plate 4, and the distance between the second guide plate 9 and the third conductive plate 5 can be adjusted by rotating the second guide plate 9. This facilitates the adaptation of fuses of different lengths and pin spacing specifications, improves the versatility of the fuse box, reduces the number of molds to be developed, reduces downtime for mold replacement and equipment debugging during fuse box production, reduces the number of fuse box production line changeovers, shortens the non-production time caused by specification switching during fuse box production, and facilitates continuous production of the fuse box production line.

[0047] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A fuse box for an automotive electrical system, comprising a box base, a detachable cover disposed on the box base, and a first conductive sheet, a second conductive sheet, and a third conductive sheet disposed within the box base, characterized in that: A first current guide plate is rotatably disposed on the first conductive plate, and a first fuse is jointly disposed on the first current guide plate and the third conductive plate. Both the first current guide plate and the third conductive plate are detachably connected to the first fuse. A second current guide plate is rotatably disposed on the second conductive plate, and a second fuse is jointly disposed on the second current guide plate and the third conductive plate. Both the second current guide plate and the third conductive plate are detachably connected to the second fuse. The first conductive plate and the first current-guiding plate share a first conductive terminal, and the first current-guiding plate and the first fuse share a first current-guiding terminal; the second conductive plate and the second current-guiding plate share a second conductive terminal, and the second current-guiding plate and the second fuse share a second current-guiding terminal; the third conductive plate is fixedly provided with a first auxiliary terminal and a second auxiliary terminal, the first auxiliary terminal is detachably connected to the first fuse, and the second auxiliary terminal is detachably connected to the second fuse; The first conductive terminal, the first current-conducting terminal, and the first auxiliary terminal are arranged in parallel, and the second conductive terminal, the second current-conducting terminal, and the second auxiliary terminal are arranged in parallel. The rotation axis of the first auxiliary terminal and the rotation axis of the second auxiliary terminal coincide with each other. A first terminal is fixedly disposed on the first conductive sheet, a second terminal is fixedly disposed on the second conductive sheet, and a main terminal is fixedly disposed on the third conductive sheet; A first conductive base is fixedly disposed on the first conductive sheet, and a first conductive terminal passes through the first conductive base and the first guide plate. A set of first conductive nuts is threaded onto the first conductive terminal, and the first conductive nuts are used to abut against the first guide plate and the first conductive base. A second conductive base is fixedly disposed on the second conductive sheet, and a second conductive terminal passes through the second conductive base and the second guide plate. A set of second conductive nuts is threaded onto the second conductive terminal, and the second conductive nuts are used to abut against the second guide plate and the second conductive base. A first auxiliary conductive base and a second auxiliary conductive base are fixedly disposed on the third conductive sheet, and a first auxiliary terminal passes through the first auxiliary conductive base and the first fuse. A set of first auxiliary nuts is threaded onto the first auxiliary terminal, and the first auxiliary nuts are used to abut against the first auxiliary conductive base. A second auxiliary terminal passes through the second auxiliary conductive base and the second fuse, and a set of second auxiliary nuts is threaded onto the second auxiliary terminal, and the second auxiliary nuts are used to abut against the second fuse and the second auxiliary conductive base.

2. A fuse box for an automotive electrical system according to claim 1, characterized in that: The first terminal is perpendicular to the first conductive terminal, the second terminal is perpendicular to the second conductive terminal, the main terminal is perpendicular to the first auxiliary terminal, and the main terminal is perpendicular to the second auxiliary terminal. The first terminal, the second terminal, and the main terminal are arranged in parallel, and all three are arranged vertically.

3. A fuse box for an automotive electrical system according to claim 1, characterized in that: The first flow guide terminal passes through the first flow guide plate and the first fuse. A set of first flow guide nuts is threaded onto the first flow guide terminal, and the first flow guide nuts are used to abut against the first flow guide plate and the first fuse. The second flow guide terminal passes through the second flow guide plate and the second fuse. A set of second flow guide nuts is threaded onto the second flow guide terminal, and the second flow guide nuts are used to abut against the second fuse. A main terminal is threaded onto a main nut. A first nut is threaded onto the first terminal. A second nut is threaded onto the second terminal.

4. A fuse box for an automotive electrical system according to claim 1, characterized in that: The housing has a first groove, a second groove, and a third groove. The first groove and the second groove are both located on one side of the third groove. The first groove and the second groove are symmetrically arranged on both sides of the central axis of the third groove. The first conductive sheet is fixedly arranged in the first groove, the second conductive sheet is fixedly arranged in the second groove, and the third conductive sheet is fixedly arranged in the third groove.

5. A fuse box for an automotive electrical system according to claim 4, characterized in that: The housing has a first clearance groove and a second clearance groove. The first clearance groove is located between the first groove and the third groove, and the second clearance groove is located between the second groove and the third groove. The first clearance groove and the second clearance groove are symmetrically arranged on both sides of the central axis of the third groove. The first clearance groove is for inserting the first fuse and the first guide vane, and the second clearance groove is for inserting the second fuse and the second guide vane.

6. A fuse box for an automotive electrical system according to claim 5, characterized in that: A partition groove is formed in the box base, which is located between the first relief groove and the second relief groove. The central axis of the partition groove coincides with the central axis of the third groove. The first groove and the second groove are symmetrically arranged on both sides of the partition groove. The first relief groove and the second relief groove are symmetrically arranged on both sides of the partition groove. A partition plate is fixedly installed on the side of the box cover facing the box base. The end of the partition plate away from the box cover is used to be inserted into the partition groove. The inner wall of the box cover, the box base, and the partition groove are all in contact with the outer wall of the partition plate.

7. A fuse box for an automotive electrical system according to claim 6, characterized in that: A sealing frame is fixedly installed on the box base. The side of the first conductive sheet away from the inner wall of the first groove, the side of the second conductive sheet away from the inner wall of the second groove, the side of the third conductive sheet away from the inner wall of the third groove, and the side of the box base facing the box cover are all in contact with the side of the sealing frame away from the box cover. A sealing groove is opened on the side of the sealing frame facing the box cover, and a sealing adhesive layer is provided on the inner wall of the sealing groove. A sealing cover is fixedly installed on the side of the box cover facing the box base. The end of the sealing cover away from the box cover is used to be inserted into the sealing groove, and the sealing adhesive layer is used to abut against the outer wall of the sealing cover. The first terminal, the second terminal, and the main terminal are all located outside the sealing frame and the sealing cover. The partition plate, the first auxiliary terminal, the second auxiliary terminal, the first current guiding terminal, the second current guiding terminal, the first conductive terminal, the second conductive terminal, the first fuse, the second fuse, the first current guiding plate, and the second current guiding plate are all located inside the sealing frame and the sealing cover. The sealing cover and the sealing frame are all in contact with the outer wall of the partition plate.

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