Multi-channel waterproof power supply box for vehicle

By employing a staggered mounting base and connecting plate structure in the automotive power electrical box, combined with bolt fixing and multiple sealing rings, the problems of limited fuse quantity and poor sealing performance are solved, achieving compact integration and a high waterproof rating.

CN114537298BActive Publication Date: 2025-11-07ZEEMAN FUSES MFG (XIAMEN) CORP
View PDF 3 Cites 0 Cited by

Patent Information

Application Number
CN202210157238.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-02-21
Publication Date
2025-11-07
Estimated Expiration
2042-02-21

AI Technical Summary

Technical Problem

The limited number of fuses in existing automotive power supply boxes results in poor sealing and excessive size, making it impossible to efficiently integrate multiple fuses within the limited space inside a car.

Method used

Design a multi-channel waterproof power supply box for vehicles, which adopts a structure of lower base, upper cover and middle part. The middle part is equipped with staggered mounting seats and connecting pieces, and fuses are fixed by bolts. Multiple sealing rings are set at the connection points to achieve compact integration and good sealing.

Benefits of technology

It integrates multiple fuses in a compact structure, has good sealing performance, achieves an IP67 waterproof rating, adapts to different wire diameters, has strong compatibility, and is easy to install and inspect.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN114537298B_ABST
    Figure CN114537298B_ABST
Patent Text Reader

Abstract

The application discloses a multi-path waterproof power supply and electric appliance box for vehicles, which comprises a lower seat, an upper cover and an intermediate part. The intermediate part is arranged in a cavity formed by the lower seat and the upper cover. An installation seat for integrating multiple fuses is arranged on the intermediate part. The installation seat comprises a first installation seat and a second installation seat. The first installation seat and the second installation seat are arranged in parallel and staggered and have different installation heights. The installation holes on the first installation seat and the installation holes on the second installation seat are arranged in a staggered manner. A connecting piece for connecting the fuses installed on each installation seat is arranged above the intermediate part. The connecting piece is connected with an external circuit through a leading end, so that the multiple fuses are connected in series. The upper cover and the lower seat are fastened by bolts. Sealing rings are arranged between the upper cover and the lower seat and on the connecting holes of the lower seat, so that better sealing can be realized. The application can meet the requirement that multiple fuses are integrated in one power supply and electric appliance box and has good sealing effect and reaches IP67 waterproof level.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the field of vehicle power supply box, in particular to a multi-path waterproof power supply and electrical appliance box for vehicle. BACKGROUND

[0002] With the development of science and technology, the electrical functions in the automobile are increasing, the lines in the automobile are significantly increasing, and the complexity of the power distribution system is also increasing, which leads to the number of fuses integrated in the power supply and electrical appliance box doubling, the volume of the power supply and electrical appliance box continuously increasing, and the size of the external wiring harness changing. Since the fuses are integrated in the power supply and electrical appliance box, the fuses need to be connected with the terminals and the wiring harness, and therefore the waterproof performance requirement is very high.

[0003] In the prior art, the number of fuses integrated in a single power supply and electrical appliance box is limited, and the upper cover and the lower seat of the power supply and electrical appliance box are usually fixed by buckling, and the sealing performance is poor.

[0004] Under the volume limitation in the automobile, it is necessary to ensure that the volume of the power supply and electrical appliance box is small enough, and therefore under the condition that the number of fuses integrated in a single power supply and electrical appliance box is large, a more compact design is needed. SUMMARY

[0005] The present application aims to overcome the shortcomings of the prior art and provide a multi-path waterproof power supply and electrical appliance box for vehicle.

[0006] In order to achieve the above purpose, the technical scheme of the present application is as follows:

[0007] A multi-path waterproof power supply and electrical appliance box for vehicle, comprising a lower seat, an upper cover and an intermediate piece arranged in a cavity formed by the lower seat and the upper cover, wherein the intermediate piece is provided with a plurality of mounting seats having mounting holes, the mounting seats comprise first mounting seats and second mounting seats, the first mounting seats and the second mounting seats are arranged in parallel and staggered and have different mounting heights, the mounting holes on the first mounting seats and the mounting holes on the second mounting seats are arranged in staggered rows, a connecting piece for connecting the fuses mounted on each mounting seat is arranged above the intermediate piece, the connecting piece comprises an outgoing end and a series end, a partition plate is arranged on the intermediate piece, the partition plate extends from each mounting seat to the side wall of the lower seat, a first connecting hole corresponding to the space between two adjacent partition plates and a second connecting hole corresponding to the outgoing end of the connecting piece are arranged on the side wall of the lower seat, the intermediate piece is fixedly connected to the lower seat by bolts, the fuses are fixedly connected to the intermediate piece by bolts, and the upper cover and the lower seat are fixed by bolts.

[0008] As preferred, the first bolt is installed on the mounting hole, the mounting hole on each mounting seat comprises a first mounting hole close to the first connecting hole and a second mounting hole away from the first connecting hole, the first bolt arranged on the second mounting hole is used for connecting the fuse and the connecting sheet, and the first bolt arranged on the first mounting hole is used for being connected with the wire passing through the first mounting hole.

[0009] As preferred, the first mounting hole on the second mounting seat is arranged side by side with the main body part of the fuse on the first mounting seat.

[0010] As preferred, the connecting sheet is respectively provided with a through hole corresponding to the second mounting hole on the first mounting seat and the second mounting seat on the series connection end of the connecting sheet, and the connecting sheet and the fuse are installed on the intermediate piece through cooperation of the first nut and the first bolt, and the lead-out end of the connecting sheet is connected with the wire of the external circuit through the second bolt and the second nut.

[0011] As preferred, the intermediate piece is provided with a standby mounting seat for fixing and installing a standby fuse, and the standby mounting seat and the mounting seat are arranged on two sides of the connecting sheet respectively.

[0012] As preferred, the standby mounting seat is provided with a third mounting hole, and the third mounting hole is arranged along the series connection length direction of the series connection end of the connecting sheet.

[0013] As preferred, the mounting seat is provided with a groove for accommodating the main body part of the fuse, the fuse is 10, and the standby fuse is 3.

[0014] As preferred, the first connecting hole and the second connecting hole are respectively provided with a first sealing ring and a second sealing ring and a first plug and a second plug, and a third sealing ring is arranged between the upper cover and the lower seat.

[0015] As preferred, the sizes of the first sealing ring and the second sealing ring and the first plug and the second plug are determined according to the wire diameter of the wire connected with the fuse.

[0016] As preferred, the upper cover is a transparent cover.

[0017] Compared with the prior art, the application has the following beneficial effects:

[0018] (1) The multi-path waterproof power supply and electrical appliance box for vehicles can integrate multiple fuses in one power supply and electrical appliance box, and has compact structure, small volume, and is convenient for integration and installation.

[0019] (2) The multi-path waterproof power supply electrical box for vehicles of the present application is provided with multiple sealing rings, and the upper cover and the lower seat are fastened by bolts, so that the sealing performance is better, and the waterproof level reaches IP67.

[0020] (3) The first sealing ring and the second sealing ring provided in the first connecting hole and the second connecting hole and the first plug and the second plug of the multi-path waterproof power supply electrical box for vehicles of the present application can change in size with the size of the wire diameter, so that the adaptability is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application;

[0022] Figure 2 It is an exploded view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application;

[0023] Figure 3 It is a schematic view of the lower seat of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application;

[0024] Figure 4 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which nuts are installed on the lower seat;

[0025] Figure 5 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which bolts are installed on the middle piece;

[0026] Figure 6 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which the middle piece is placed on the lower seat;

[0027] Figure 7 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which the middle piece is fixed on the lower seat;

[0028] Figure 8 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which connecting pieces are installed on the middle piece;

[0029] Figure 9 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which fuses are installed on the middle piece;

[0030] Figure 10 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which spare fuses are installed on the middle piece;

[0031] Figure 11 It is a schematic view of the multi-path waterproof power supply electrical box for vehicles of the embodiment of the present application, in which the first sealing ring and the second sealing ring are installed on the lower seat;

[0032] Figure 12 Figure 1 is a schematic view of a first plug and a second plug mounted on a lower seat of a multi-outlet waterproof power supply electrical box for vehicles according to an embodiment of the present application;

[0033] Figure 13 Figure 2 is a schematic view of a third sealing ring mounted on an upper cover of a multi-outlet waterproof power supply electrical box for vehicles according to an embodiment of the present application;

[0034] Figure 14 Figure 3 is a schematic view of the lower cover and the upper cover of a multi-outlet waterproof power supply electrical box for vehicles according to an embodiment of the present application;

[0035] Figures 1-3 are schematic views of a multi-outlet waterproof power supply electrical box for vehicles according to an embodiment of the present application. In the figures, 1 is a lower seat, 2 is an upper cover, 3 is an intermediate piece, 11 is a support column, 12 is a square nut, 13 is a hexagonal flange bolt, 31 is a mounting seat, 311 is a first mounting seat, 312 is a second mounting seat, 32 is a mounting hole, 321 is a first mounting hole, 322 is a second mounting hole, 4 is a fuse, 33 is a first bolt, 34 is a first nut, 35 is a spacer plate, 36 is a spare mounting seat, 361 is a third mounting hole, 37 is a second bolt, 38 is a second nut, 5 is a third sealing ring, 6 is a connecting plate, 61 is a leading end, 62 is a series end, 7 is a spare fuse, 71 is a self-tapping bolt, 21 is a first connecting hole, 22 is a second connecting hole, 23 is a first sealing ring, 24 is a second sealing ring, 25 is a first plug, and 26 is a second plug. DETAILED DESCRIPTION

[0036] The present application is further explained with reference to the accompanying drawings and specific embodiments. The drawings of the present application are merely schematic and are intended to provide a more detailed understanding of the present application. Actual values of the specific proportions can be adjusted according to design requirements. The relative positions of the elements in the figures described in the present application and the definitions of the front / back sides are intended to refer to the relative positions of the components and thus can be reversed to present the same components, which should all be within the scope disclosed in the present specification.

[0037] Reference Figure 1 and Figure 2The embodiment of the application provides a multi-path waterproof power supply and electrical appliance box for vehicles, which comprises a lower seat 1, an upper cover 2 and an intermediate part 3, the intermediate part 3 is arranged in a cavity formed by the lower seat 1 and the upper cover 2, specifically, the intermediate part 3 is fixedly installed on the lower seat 1, and then the upper cover 2 and the lower seat 1 are fixed together through clamping, a third sealing ring 5 is arranged between the upper cover 2 and the lower seat 1 during clamping, and the upper cover 2 and the lower seat 1 are fixed through a plurality of bolts around the periphery, the bolts can be hexagonal flange bolts 13, and the number of the bolts is preferably 6, so that the sealing performance is better than that of a traditional buckle, and the waterproof and moisture-proof performance is better. The upper cover 2 is a transparent cover, so that the condition in the power supply and electrical appliance box can be observed. The intermediate part 3 and a fuse 4 in the power supply and electrical appliance box are fixedly connected through bolts, and in other optional embodiments, the intermediate part 3 and the fuse 4 can also be connected through buckles.

[0038] In specific embodiments, with reference to Figure 3 and Figure 4 A plurality of support columns 11 are arranged at the bottom of the lower seat 1, the support columns 11 support the first bolts 33 on the intermediate part 3 during installation of the intermediate part 3, and the installation of the fuse 4 is facilitated. Nut mounting racks are arranged around the bottom of the lower seat 1, the nut mounting racks are used for mounting nuts, preferably square head nuts 12, the nuts are clamped and fixed on the nut mounting racks, and the nuts are used for subsequent cooperation and connection with the hexagonal flange bolts 13. After the nuts are installed on the lower seat 1, the intermediate part 3 is installed on the lower seat 1.

[0039] In specific embodiments, with reference to Figure 5 and Figure 6The intermediate piece 3 is provided with a plurality of mounting seats 31 with mounting holes 32, and each mounting seat 31 is provided with a fuse 4. The mounting seat 31 is provided with a groove for accommodating the main body of the fuse 4, and the two sides of the groove are provided with protrusions. The connecting part of the fuse 4 extends to the protrusions on the two sides of the groove and is fixedly connected by the first bolt 33. The fuse 4 is installed on the front surface of the intermediate piece 3. The first bolt 33 is first inserted through the mounting hole 32 from the back surface of the intermediate piece 3. When the intermediate piece 3 is fixedly installed on the lower seat 1, the first bolt 33 is pressed against the support 11 on the lower seat 1. The first bolt 33 is preferably a square head bolt, and the back surface of the intermediate piece 3 is provided with a groove for accommodating the head of the bolt. The mounting seat 31 includes a first mounting seat 311 and a second mounting seat 312. The first mounting seat 311 and the second mounting seat 312 are arranged in parallel and staggered and have different mounting heights. The mounting holes 32 on the first mounting seat 311 and the mounting holes 32 on the second mounting seat 312 are arranged in a staggered manner. Specifically, the first mounting seat 311 and the second mounting seat 312 have different mounting heights, so that the first connecting holes 21 on the side wall of the lower seat 1 are arranged in a staggered manner, and the positions of the first mounting seat 311 and the second mounting seat 312 are arranged in a staggered manner. Each mounting seat 31 is provided with two mounting holes 32, and each mounting hole 32 is fixedly provided with a first bolt 33. The fuse 4 is provided with a first nut 34 matched with the first bolt 33 for fixing the fuse 4 on the mounting seat 31. Specifically, each mounting seat 31 is provided with a first mounting hole 321 close to the first connecting hole 21 and a second mounting hole 322 away from the first connecting hole 21. The first mounting hole 321 on the second mounting seat 312 is arranged adjacent to the main body of the fuse 4 on the first mounting seat 311. That is, the position of the first mounting hole 321 on the second mounting seat 312 is adjacent to the middle position of the first mounting hole 321 and the second mounting hole 322 on the first mounting seat 311. Therefore, the first nut 34 matched with the first bolt 33 can be installed on the intermediate piece 3 in a spaced manner, and the overall structure is compact and the volume is effectively reduced. The first bolt 33 installed on the second mounting hole 322 is used to connect the fuse 4 and the connecting piece 6. The intermediate piece 3 is also provided with a second bolt 37 for connecting the lead-out end 61 of the connecting piece 6 with the wire of the external circuit. The first bolt 33 arranged on the first mounting hole 321 is used to connect with the wire passing through the first mounting hole 321. The intermediate piece 3 is also provided with a spacing plate 35 extending from each mounting seat 31 to the side wall of the lower seat 1. The space between each spacing plate 35 is used to accommodate the wire passing through the first mounting hole 321. The side wall of the lower seat 1 is provided with a first connecting hole 21 corresponding to the space between the adjacent two spacing plates 35. Each fuse 4 is connected with the outside through the wire passing through the corresponding first connecting hole 21. Figure 7The middle piece 3 with the first bolt 33 and the second bolt 37 installed is placed in the lower seat 1, and the hexagonal flange bolt 13 matched with the nuts around the bottom of the lower seat 1 is installed at the four corners of the middle piece 3.

[0040] In specific embodiments, referring to Figure 8 , the middle piece 3 is provided with a connecting sheet 6 for connecting each fuse 4, referring to Figure 2 , the connecting sheet 6 includes a leading end 61 and a series end 62, and the side wall of the lower seat 1 is provided with a second connecting hole 22 corresponding to the leading end 61 of the connecting sheet 6, and the leading end 61 of the connecting sheet 6 is connected with the external circuit through the wire passing through the second connecting hole 22. The series end 62 of the connecting sheet 6 is respectively provided with a through hole corresponding to the second mounting hole 322 on the first mounting seat 311 and the second mounting seat 312. Among them, the through hole corresponding to the second mounting hole 322 on the second mounting seat 312 is arranged on the strip-shaped area of the series end 62, and the through hole corresponding to the second mounting hole 322 on the first mounting seat 311 is arranged on the extension area extending from the strip-shaped area to the upper surface of the first mounting seat 311. The shape and structure of the connecting sheet 6 are adjusted and arranged according to the relative position of the first mounting seat 311 and the second mounting seat 312, which is simple in structure and convenient for connecting multiple fuses 4 in series and facilitating the leading-out connection with the external circuit. In a preferred embodiment, the mounting seat 31 on the middle piece 3 has 10, and the fuse 4 also has 10. In other specific embodiments, the number of fuses 4 can be set according to the size of the space inside the power supply and electrical appliance box. Therefore, through the multi-way power supply and electrical appliance box of the embodiments of the present application, multiple fuses 4 can be integrated in one power supply and electrical appliance box, and space is saved, and the volume is small. Referring to Figure 9 After the connecting sheet 6 is fixedly installed on the middle piece 3, the fuse 4 can be installed on the middle piece 3, and the connecting part of the fuse 4 corresponding to the second mounting hole 322 and the connecting sheet 6 are fixedly connected on the middle piece 3 through the first bolt 33 and the first nut 34, not only in structure, but also in electrical connection. While installing the fuse 4, the second bolt 37 on the connecting sheet 6 is also connected with the second nut 38.

[0041] In specific embodiments, referring to Figure 9 and 10The intermediate piece 3 is provided with a spare mounting seat 36 for fixing and mounting a spare fuse 7. The spare mounting seat 36 is arranged on the two sides of the connecting piece 6 respectively. The spare mounting seat 36 is provided with a third mounting hole 361 arranged along the series length direction of the series end 62 of the connecting piece 6. The mounting direction of the spare fuse 7 is perpendicular to the mounting direction of the fuse 4. The self-tapping bolt 71 is passed through the third mounting hole 361, and the spare fuse 7 is fixed on the intermediate piece 3. Specifically, the spare mounting seat 36 is a hollow cylinder arranged oppositely. In the preferred embodiment, the number of the spare mounting seat and the spare fuse 7 is three. In other optional embodiments, the number of the spare fuse 7 can be arranged according to the space size inside the power appliance box. The spare fuse 7 can be used as a substitute after the fuse 4 is damaged, so as to prolong the service life of the power appliance box.

[0042] In specific embodiments, referring to Figure 11 and 12 The first connecting hole 21 and the second connecting hole 22 are respectively provided with the first sealing ring 23 and the second sealing ring 24 and the first plug 25 and the second plug 26. The sizes of the first sealing ring 23 and the second sealing ring 24 and the first plug 25 and the second plug 26 are determined according to the wire diameter of the wire connected with the fuse 4, and can be changed with the wire diameter size, so as to facilitate adjustment and have very good sealing effect, and the waterproof level can reach IP67. In the assembly process, the first sealing ring 23 and the second sealing ring 24 are installed first, and then the first plug 25 and the second plug 26 are installed. Figure 13 and Figure 14 The third sealing ring 5 is installed in the upper cover 2, and then the upper cover 2 provided with the third sealing ring 5 is installed on the lower seat 1, so as to complete the assembly of the upper cover 2. Referring to Figure 1 The hexagonal bolt is installed in the nut of the nut mounting frame around the lower seat 1 and the upper cover 2, so as to finally complete the assembly of the whole waterproof power appliance box for vehicles.

[0043] The multi-way waterproof power appliance box for vehicles of the embodiment of the present application not only can integrate multiple fuses 4 in one power appliance box, but also has very good sealing effect and waterproof performance, and is simple to assemble, convenient to produce and maintain, and is beneficial to use in vehicle electrical circuits.

[0044] The above embodiment is only used to further illustrate a multi-way waterproof power appliance box for vehicles of the present application, but the present application is not limited to the embodiment. Any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiment all fall within the protection scope of the technical scheme of the present application.

Claims

1. A multi-way waterproof power supply electrical appliance box for vehicles, characterized by, The utility model provides a fuse box, including lower seat, upper cover and the intermediate piece that sets up in the cavity formed by lower seat and upper cover, a plurality of mounting seat with mounting hole is equipped on the intermediate piece, the mounting seat includes first mounting seat and second mounting seat, first mounting seat and second mounting seat are arranged in parallel staggered and have different installation height, the mounting hole on first mounting seat is staggered with the mounting hole on second mounting seat, the connecting piece for connecting the fuse installed on each mounting seat is installed on the intermediate piece, the connecting piece includes leading end and series connection end, the spacer plate is equipped on the intermediate piece, the spacer plate extends from each mounting seat to the side wall of lower seat, the first connecting hole corresponding to the adjacent two spacer plates between and the second connecting hole corresponding to the leading end of connecting piece are equipped on the side wall of lower seat, the mounting hole on each mounting seat includes the first mounting hole close to the first connecting hole and the second mounting hole away from the first connecting hole, the first mounting hole on second mounting seat is adjacent and side by side with the main part of fuse on first mounting seat, the intermediate piece is fixedly connected on lower seat through bolt, the fuse is fixedly connected on the intermediate piece through bolt, and the upper cover is fixed between lower seat through bolt.

2. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 1, characterized in that, The first bolt on the mounting hole is used for connecting the fuse and the connecting piece, and the first bolt on the first mounting hole is used for connecting the wire passing through the first mounting hole.

3. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 2, characterized in that, The series connection end of the connecting piece is respectively provided with a through hole corresponding to the second mounting hole on the first mounting seat and the second mounting seat, and the connecting piece and the fuse are mounted on the intermediate piece by the cooperation of the first nut and the first bolt.

4. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 1, characterized in that, The intermediate piece is provided with a standby mounting seat for fixing and mounting a standby fuse, and the standby mounting seat and the mounting seat are respectively arranged on both sides of the connecting piece.

5. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 4, characterized in that, The standby mounting seat is provided with a third mounting hole arranged along the series connection length direction of the series connection end of the connecting piece.

6. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 4, characterized in that, The mounting seat is provided with a groove for accommodating the main part of the fuse, the fuse is 10, and the standby fuse is 3.

7. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 1, characterized in that, The first connecting hole and the second connecting hole are respectively provided with a first sealing ring and a second sealing ring, and a first plug and a second plug, and the upper cover and the lower seat are provided with a third sealing ring.

8. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 7, characterized in that, The sizes of the first sealing ring, the second sealing ring, the first plug and the second plug are determined according to the wire diameter of the wire connected with the fuse.

9. The multi-way waterproof power supply and electrical appliance box for vehicle according to claim 1, characterized in that, The upper cover is a transparent cover.

Citation Information

Patent Citations

  • Storage battery anode fuse box and automobile

    CN209119033U

  • Waterproof fuse holder

    CN214672482U

  • Waterproof power supply electric appliance box for multipath vehicle

    CN216942962U