Automotive chassis slow melting distribution box

By adopting a sealing structure and a large rated slow melting fuse in the chassis slow melting distribution box, the problem of water in the chassis slow melting distribution box is solved, and the waterproof and dustproof effect of IP67 is achieved, which is suitable for a variety of vehicle models.

CN223124404UActive Publication Date: 2025-07-18HEBI LIANMING ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422273477.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-18
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing chassis slow melting distribution box has insufficient protection level in bad weather, which can easily cause water inlet to cause damage to electrical components, and cannot meet the requirements of not entering water for 1 meter and a half hour.

Method used

A slow melting distribution box for automotive chassis is designed, adopting a sealed structure, integrating multiple guide plates and fuses of different shapes, equipped with a large rated slow melting fuse, and the waterproof and dustproof level is improved to IP67 to protect the main power cord of the wiring harness.

Benefits of technology

It achieves the protection effect of not entering water at a water depth of 1 and a half hours, and has the waterproof and dustproof performance of IP67, which meets the platform promotion of different models and improves the protection level of the vehicle.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a vehicle chassis slow melting distribution box comprising a housing, a plurality of guide plates in different shapes are integrated in the housing, and a plurality of safety pieces are arranged on the guide plates; each safety piece is connected with an external guide plate assembly, and one end of each external guide plate assembly extends out of the shell; a wire pressing cover is arranged at the end, located on the outer side, of the external guide plate assembly and connected with the shell. A cover body is arranged above the shell in a sealing manner; a large-rated-value slow-melting safety piece for protecting a main power supply circuit is arranged, so that short-circuit and overload protection of a main power line of the wiring harness is realized; 20 plate type SF 30 slow-melting safety plates are carried; a sealing structure is adopted, and certain dustproof and waterproof performance is achieved; the waterproof and dustproof grade is IP67; and the requirements of different vehicle types are met, platform popularization of all vehicle types is achieved, and practicability is high.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automotive distribution boxes, and particularly relates to a slow-melting distribution box for a vehicle chassis. Background Art

[0002] With the development of the automotive industry, the functions of automobiles are becoming more and more diverse. More and more electronic devices and functions have been added to the interior of automobiles. As the requirements for the product protection level (dust and water protection) of automobiles are gradually increasing, in such a background, in order to better meet customer requirements, the protection level (dust and water protection) function of the slow-melting distribution box for the chassis is improved.

[0003] For the existing common slow-melting distribution box for the chassis, the protection level (dust and water protection) is IP66. When there is bad weather, heavy rain, and excessive urban waterlogging, when the vehicle passes through water that is too deep and has submerged the slow-melting distribution box for the chassis, water will enter the slow-melting distribution box for the chassis, resulting in damage to the internal electrical components and thus damage to the vehicle. In order to reduce and avoid vehicle damage, therefore, a slow-melting distribution box for the chassis that can meet the requirement of not allowing water to enter when wading through water with a depth of 1 meter for half an hour is needed, and the protection level (dust and water protection) needs to be improved to IP67 to overcome the occurrence of the above problems. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a slow-melting distribution box for a vehicle chassis, which can at least solve one of the problems in the background art.

[0005] The utility model provides the following technical solutions:

[0006] A slow-melting distribution box for a vehicle chassis includes a housing, and a plurality of guide plates with different shapes are integrated inside the housing, and a plurality of fuse pieces are arranged on the guide plates;

[0007] Each fuse piece is connected with an external guide plate assembly, and one end of the external guide plate assembly extends out of the housing;

[0008] A wire pressing cover is arranged at one end of the external guide plate assembly located outside, and the wire pressing cover is connected with the housing;

[0009] A cover body is hermetically arranged above the housing.

[0010] Preferably, a plurality of inserts M5 are arranged on the inner bottom plate of the housing; the guide plates include guide plate one, guide plate two, and guide plate three. A plurality of fuse pieces can be connected to both guide plate two and guide plate three, and the fuse pieces are slow-melting fuse pieces; one end of guide plate one is connected with guide plate three, and the other end is connected with the external guide plate assembly.

[0011] Preferably, a plurality of positioning columns are evenly arranged at the bottom of the housing, and guide plate two and guide plate three are fixed at the bottom of the housing through the arranged positioning columns.

[0012] Preferably, the external guide plate assembly includes a plurality of external guide plate assemblies M6 and external guide plate assemblies M8. A plurality of inserts M5, inserts M6, and inserts M8 are provided at positions near both sides of the housing. The external guide plate assembly M6 is provided with holes corresponding to the inserts M5 and inserts M6, and the external guide plate assembly M6 is connected to the housing through the inserts M5 and inserts M6; the external guide plate assembly M8 is provided with holes corresponding to the inserts M5 and inserts M8, and the external guide plate assembly M8 is connected to the housing through the inserts M5 and inserts M8.

[0013] Preferably, a plurality of limit ribs are connected to the bottom of the housing. The limit ribs are arranged between the external guide plate assembly and the guide plate. The limit ribs are used to place slow-blow fuses. Both ends of the slow-blow fuses are connected to the guide plate and the external guide plate assembly through the insert M5.

[0014] Preferably, a sealing ring is provided along the circumferential side of the housing, and the cover body is hermetically connected to the housing through the sealing ring.

[0015] Preferably, a plurality of inserts M6 are evenly provided at positions near the circumferential side of the housing. The cover body is provided with holes corresponding to the inserts M6. The inserts M6 are helically provided with combined screws M6, and the cover body and the housing are assembled through the combined screws M6 and inserts M6.

[0016] Preferably, the insert M5 is helically provided with a combined screw M5; the insert M8 is helically provided with a combined screw M8.

[0017] Preferably, the housing is made of an insulating material, such as plastic or rubber; the guide plate and the external guide plate assembly are made of a metal conductive material, such as copper or aluminum.

[0018] Preferably, slow-blow fuses are provided at positions near both ends of the housing, and the slow-blow fuses are connected to the guide plate; the slow-blow fuses near both ends of the housing are connected to the housing through self-tapping screws M5.

[0019] Preferably, the wire pressing cover includes a first wire pressing cover and a second wire pressing cover, and the first wire pressing cover and the second wire pressing cover are connected to the housing through the provided buckles.

[0020] Preferably, the insert M5 is pre-embedded into the housing; the insert M5 and the insert M8 are respectively placed in contact with the lower surface of the corresponding hole diameter of the external guide plate assembly M8 and then pre-embedded into the housing; the insert M5 and the insert M6 are respectively placed in contact with the lower surface of the corresponding hole diameter of the external guide plate assembly M6 and then pre-embedded into the housing; the insert M6 is pre-embedded into the housing; the slow-blow fuse, the housing, and the combined screw M5 are threadedly connected; the combined screw M6 is threadedly connected to the housing and the external wiring terminal; the combined screw M8 is threadedly connected to the housing and the external wiring terminal; the slow-blow fuse, the housing, and the self-tapping screw M5 are threadedly connected; this distribution box and the vehicle body sheet metal bracket are assembled and threadedly connected through the combined bolt M8.

[0021] Compared with the prior art, the utility model has the following beneficial effects:

[0022] A slow-melting power distribution box for a vehicle chassis of the utility model is provided with a slow-melting fuse with a large rated value for protecting the main power supply circuit, so as to realize the protection against short circuit and overload of the main power supply wire of the wire harness; 20 board-type SF 30 slow-melting fuses are carried; a sealing structure is adopted, having certain dust-proof and waterproof properties; the dust-proof and waterproof level is IP67; it meets the requirements of different vehicle models, realizes the platform promotion of all vehicle models, and has strong practicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required to be used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0024] Figure 1 is the overall structural schematic diagram of the utility model.

[0025] Figure 2 is the assembly structural schematic diagram of the cover body of the utility model.

[0026] Figure 3 is the assembly schematic diagram of the external guide plate assembly of the utility model.

[0027] Figure 4 is the assembly schematic diagram of the slow-melting fuse of the utility model.

[0028] Figure 5 is the assembly structural schematic diagram of the limiting rib of the utility model.

[0029] Figure 6 is the assembly structural schematic diagram of the guide plate of the utility model.

[0030] Figure 7 is the assembly structural schematic diagram of the sealing ring of the utility model.

[0031] Figure 8 is the internal structural schematic diagram of the housing of the utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0032] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all of 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 scope of protection of the present utility model.

[0033] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the claimed present utility model, but merely represents selected embodiments of the present utility model. 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 scope of protection of the present utility model.

[0034] Embodiment

[0035] Reference Figure 1-8 , a slow-melting power distribution box for a vehicle chassis, comprising a housing 1, in which a plurality of guide plates with different shapes are integrated, and a plurality of fuse pieces are arranged on the guide plates; each fuse piece is connected to an external guide plate assembly, and one end of the external guide plate assembly extends out of the housing 1; a wire pressing cover is arranged at the outer end of the external guide plate assembly, and the wire pressing cover is connected to the housing 1; a cover body 2 is hermetically arranged above the housing 1.

[0036] A plurality of inserts M518 are arranged on the inner bottom plate of the housing 1; the guide plates include a first guide plate 11, a second guide plate 12, and a third guide plate 13. A plurality of fuse pieces can be connected to both the second guide plate 12 and the third guide plate 13, and the fuse pieces are slow-melting fuse pieces 9; one end of the first guide plate 11 is connected to the third guide plate 13, and the other end is connected to the external guide plate assembly. A plurality of positioning columns 14 are evenly arranged at the bottom of the housing 1, and the second guide plate 12 and the third guide plate 13 are fixed to the bottom of the housing 1 through the arranged positioning columns 14.

[0037] The external guide plate assembly includes multiple external guide plate assemblies M616 and external guide plate assemblies M817. At positions near both sides of the housing 1, there are multiple inserts M518, inserts M62119, and inserts M820. The external guide plate assembly M616 is provided with holes corresponding to the inserts M518 and inserts M62119, and the external guide plate assembly M616 is connected to the housing 1 through the inserts M518 and inserts M62119; the external guide plate assembly M817 is provided with holes corresponding to the inserts M518 and inserts M820, and the external guide plate assembly M817 is connected to the housing 1 through the inserts M518 and inserts M820. Multiple limiting ribs 10 are connected to the bottom of the housing 1. The limiting ribs 10 are arranged between the external guide plate assembly and the guide plate, and the limiting ribs 10 are used to place the slow-blow fuse 9. Both ends of the slow-blow fuse 9 are connected to the guide plate and the external guide plate assembly through the insert M518. A sealing ring 15 is provided along the circumferential side of the housing 1, and the cover body 2 is hermetically connected to the housing 1 through the sealing ring 15. Multiple inserts M62119 are evenly arranged at positions near the circumferential side of the housing 1. The cover body 2 is provided with holes corresponding to the inserts M62119, and the inserts M62119 are screwed with the combination screws M65 in a matching manner. The cover body 2 and the housing 1 are assembled and installed through the combination screws M65 and the inserts M62119.

[0038] The insert M518 is screwed with the combination screw M57 in a matching manner; the insert M820 is screwed with the combination screw M86 in a matching manner. The housing 1 is made of insulating material, such as plastic, rubber, etc.; the guide plate and the external guide plate assembly are made of metal conductive materials, such as copper, aluminum, etc. Slow-blow fuses 9 are provided at positions near both ends of the housing 1, and the slow-blow fuses 9 are connected to the guide plate; the slow-blow fuses 9 near both ends of the housing 1 are connected to the housing 1 through self-tapping screws M58. The wire pressing cover includes a first wire pressing cover 3 and a second wire pressing cover 4, and the first wire pressing cover 3 and the second wire pressing cover 4 are connected to the housing 1 through the provided buckles.

[0039] In another embodiment, the insert M518 is pre-embedded into the housing 1; the insert M518 and the insert M820 are respectively placed in contact with each other below the corresponding apertures of the external guide plate assembly M817 and then pre-embedded into the housing 1; the insert M518 and the insert M62119 are respectively placed in contact with each other below the corresponding apertures of the external guide plate assembly M616 and then pre-embedded into the housing 1; the insert M62119 is pre-embedded into the housing 1; the slow-blow fuse 9 is threadedly connected to the housing 1 and the combination screw M57; the combination screw M65 is threadedly connected to the housing 1 and the external wiring terminal; the combination screw M86 is threadedly connected to the housing 1 and the external wiring terminal; the slow-blow fuse 9 is threadedly connected to the housing 1 and the self-tapping screw M58; this distribution box is assembled and threadedly connected to the vehicle body sheet metal bracket through the combination bolt M8. This solution sets a large-rated slow-blow fuse 9 to protect the main power circuit, achieving the protection against short circuit and overload of the main power line of the wire harness; 20 board-type SF 30 slow-blow fuses 9 are installed; a sealing structure is adopted, with certain dust-proof and waterproof performances; the dust-proof and waterproof grade is IP67; it meets the requirements of different vehicle models, realizes the platform promotion of all vehicle models, and has strong practicability.

[0040] Four pairs of inserts M518 are correspondingly provided on the guide plate two 12, and three pairs of inserts M518 are correspondingly provided on the guide plate three 13; through the four pairs of inserts M518, the guide plate two 12 can be connected to eight slow-blow fuses 9, and the other ends of the eight slow-blow fuses 9 are respectively connected to seven external guide plate assemblies M616 and one external guide plate assembly M817; four external guide plate assemblies M616 are located on one side of the housing 1 and are arranged inside the second wire pressing cover 4; the other three external guide plate assemblies M616 and one external guide plate assembly M817 are located on the other side of the housing 1 and are arranged inside the second wire pressing cover 4; through the three pairs of inserts M518, the guide plate three 13 can be connected to six slow-blow fuses 9, and the other ends of the six slow-blow fuses 9 are respectively connected to four external guide plate assemblies M616 and two external guide plate assemblies M817, wherein two external guide plate assemblies M616 and one external guide plate assembly M817 are located on one side of the housing 1 and are arranged inside the first wire pressing cover 3, and the other two external guide plate assemblies M616 and one external guide plate assembly M817 are located on the other side of the housing 1 and are arranged inside the first wire pressing cover 3.

[0041] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications; any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A slow-melting power distribution box for a vehicle chassis, characterized in that, It includes a housing (1), and a plurality of guide plates with different shapes are integrally arranged inside the housing (1). A plurality of fuses are arranged on the guide plates; Each fuse is connected to an external guide plate assembly, and one end of the external guide plate assembly extends out of the housing (1); A wire pressing cover is arranged at one end of the external guide plate assembly located on the outer side, and the wire pressing cover is connected to the housing (1); A cover body (2) is hermetically arranged above the housing (1).

2. The slow-melting power distribution box for a vehicle chassis according to claim 1, wherein, A plurality of inserts M5 (18) are arranged on the inner bottom plate of the housing (1); the guide plates include a first guide plate (11), a second guide plate (12), and a third guide plate (13). A plurality of fuses can be connected to both the second guide plate (12) and the third guide plate (13), and the fuses are slow-blow fuses (9); one end of the first guide plate (11) is connected to the third guide plate (13), and the other end is connected to the external guide plate assembly.

3. The slow-melting power distribution box for a vehicle chassis according to claim 2, characterized in that A plurality of positioning columns (14) are evenly arranged at the bottom of the housing (1), and the second guide plate (12) and the third guide plate (13) are fixed to the bottom of the housing (1) through the arranged positioning columns (14).

4. A slow-melting power distribution box for a vehicle chassis according to claim 1, characterized in that, The external guide plate assembly includes a plurality of external guide plate assemblies M6 (16) and external guide plate assemblies M8 (17). A plurality of inserts M5 (18), inserts M6 (21)(19), and inserts M8 (20) are arranged at positions near both sides of the housing (1). The external guide plate assembly M6 (16) is provided with holes corresponding to the inserts M5 (18) and inserts M6 (21)(19), and the external guide plate assembly M6 (16) is connected to the housing (1) through the inserts M5 (18) and inserts M6 (21)(19); the external guide plate assembly M8 (17) is provided with holes corresponding to the inserts M5 (18) and inserts M8 (20), and the external guide plate assembly M8 (17) is connected to the housing (1) through the inserts M5 (18) and inserts M8 (20).

5. A slow-melting power distribution box for a vehicle chassis according to claim 1, characterized in that, A plurality of limiting ribs (10) are connected to the bottom of the housing (1). The limiting ribs (10) are arranged between the external guide plate assembly and the guide plate, and the limiting ribs (10) are used for placing the slow-blow fuses (9). Both ends of the slow-blow fuses (9) are connected to the guide plate and the external guide plate assembly through the inserts M5 (18).

6. The slow-melting power distribution box for a vehicle chassis according to claim 1, characterized in that, A sealing ring (15) is arranged along the circumference of the housing (1), and the cover body (2) is hermetically connected to the housing (1) through the sealing ring (15).

7. The slow-melting power distribution box for a vehicle chassis according to claim 1, characterized in that, A plurality of inserts M6 (21)(19) are evenly arranged at positions near the circumference of the housing (1). The cover body (2) is provided with holes corresponding to the inserts M6 (21)(19), and the inserts M6 (21)(19) are screwed with combination screws M6 (5). The cover body (2) and the housing (1) are assembled through the combination screws M6 (5) and the inserts M6 (21)(19).

8. A slow-melting power distribution box for a vehicle chassis according to claim 4, characterized in that, The insert M5 (18) is screwed with a combination screw M5 (7); the insert M8 (20) is screwed with a combination screw M8 (6).