CN219643514U - Chassis distribution box shell structure - Google Patents

Abstract

The utility model discloses a chassis distribution box shell structure which comprises a shell sub-assembly, a cover plate, a coaming, an insert assembly, a movable buckle, an upper buckle groove and a lower buckle groove, wherein the cover plate is arranged on the shell sub-assembly; the middle area of shell sub-assembly encloses and is equipped with the bounding wall, the mold insert closes the piece to set up in the bounding wall and mould plastics fixedly, the top edge of bounding wall covers and is equipped with the apron, the side of apron is provided with multiunit lower catching groove respectively, the apron corresponds the position of lower catching groove is provided with the catching groove respectively, the both ends of activity knot are in respectively joint go up catching groove and lower catching groove, make the apron is relative the bounding wall is fixed. According to the utility model, the insert assembly is assembled in advance, and the insert assembly is placed in the shell sub-assembly in the form of a plurality of insert modules for embedding injection molding, so that the binding posts in the inner cavity of the coaming are effectively isolated from the outside, the process assembly difficulty is integrally simplified, the anti-torque damage strength of the bolt is improved, and the bolt has good sealing property and structural strength.

Description

Chassis distribution box shell structure

Technical Field

The utility model relates to the technical field of automobile equipment, in particular to a chassis distribution box shell structure.

Background

The chassis distribution box is an important component part on the automobile, and has the functions of distributing power to electric devices passing through the chassis of the automobile and providing current safety protection, and because the chassis distribution box is installed on the chassis of the automobile, the working environment is quite severe (vibration, climate, silt, rain and the like) and has higher requirements on the protective performance and structural strength, particularly the sealing performance, once water enters the chassis, the insulating property is directly reduced sharply and even the potential safety hazard of short circuit is brought, and the chassis distribution box is also a technical problem in the industry with higher failure rate in the market.

Disclosure of Invention

In order to overcome the defects of related products in the prior art, the utility model provides a chassis distribution box shell structure.

The utility model provides a chassis distribution box shell structure, which comprises: the shell comprises an assembly, a cover plate, a coaming, an insert assembly, a movable buckle, an upper buckle groove and a lower buckle groove; the middle area of shell sub-assembly encloses and is equipped with the bounding wall, the mold insert closes the piece to set up in the bounding wall and mould plastics fixedly, the top edge of bounding wall covers and is equipped with the apron, the side of apron is provided with multiunit lower catching groove respectively, the apron corresponds the position of lower catching groove is provided with the catching groove respectively, the both ends of activity knot are in respectively joint go up catching groove and lower catching groove, make the apron is relative the bounding wall is fixed.

In some embodiments of the utility model, a sealing ring is arranged at the joint of the cover plate and the coaming plate.

In some embodiments of the utility model, the housing subassembly is provided with a plurality of connection holes on its sides.

In some embodiments of the present utility model, the insert includes a plurality of sets of insert modules having a rupture disc disposed thereon and secured by a fastening nut.

In some embodiments of the present utility model, the insert module includes a fixing seat, a bolt and a copper bar, the fixing seat is injection-molded and fixed on the inner side of the coaming of the housing subassembly, a plurality of positioning grooves are formed in the bottom of the fixing seat, and a limiting block is arranged at the upper end of the positioning groove along the opening direction; the bolt comprises a stud and a positioning end at the bottom of the stud, and the positioning end is arranged in the positioning groove and is limited and fixed through the limiting block.

In some embodiments of the present utility model, a buckle is provided at the upper end of the fixing seat, a copper bar is clamped on the buckle, a positioning hole is provided on the copper bar at a position corresponding to the stud, and the stud is inserted into the positioning hole.

In some embodiments of the utility model, the safety piece is arranged on the copper bar, penetrates through the stud and is fixed through the fastening nut.

In certain embodiments of the utility model, a spacer plate is also provided on the inside of the shroud.

Compared with the prior art, the utility model has the following advantages:

according to the chassis distribution box shell structure, the chassis distribution box shell structure is assembled in advance through the insert assembly, the chassis distribution box shell structure is placed in the shell sub-assembly in the form of a plurality of insert modules, and is embedded and injection molded, so that binding posts in the inner cavity of the coaming are effectively isolated from the outside, meanwhile, the studs slide in the opening direction of the positioning groove, the copper bars are sleeved through the stud through holes, and then are clamped into buckles of the fixing base to form the insert modules, so that the process assembly difficulty is integrally simplified, the torsional moment breaking strength of the bolts is improved, and the chassis distribution box has good sealing performance and structural strength.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of an exploded structure of a chassis distribution box housing structure according to the present utility model;

FIG. 2 is a schematic view of an exploded view of the housing subassembly of the present utility model;

FIG. 3 is a schematic view of the mounting structure of the housing subassembly of the present utility model;

fig. 4 is a schematic view of an exploded structure of the insert module according to the present utility model.

Reference numerals illustrate:

1. a housing subassembly; 2. a cover plate; 3. a seal ring; 4. coaming plate; 5. insert assembly; 6. a movable buckle; 7. a buckling groove is formed; 8. a connection hole; 9. a lower buckling groove; 10. a partition plate; 11. an insert module; 12. a security pane; 13. a fastening nut; 14. a fixing seat; 15. a bolt; 16. a copper bar; 17. a buckle; 18. a positioning groove; 19. a limiting block; 20. a positioning end; 21. a stud; 22. and positioning holes.

Detailed Description

In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings. It is apparent that the described embodiments are only some embodiments of the utility model, but not all embodiments, and that the preferred embodiments of the utility model are shown in the drawings. This utility model may be embodied in many different forms and is not limited to the embodiments described herein, but rather is provided to provide a more thorough understanding of the present disclosure.

Referring to fig. 1, the chassis distribution box shell structure comprises a shell subassembly 1, a cover plate 2, a coaming 4, an insert assembly 5, a movable buckle 6, an upper buckle groove 7 and a lower buckle groove 9; the middle area of shell sub-assembly 1 encloses and is equipped with bounding wall 4, mold insert closing member 5 sets up in the bounding wall 4 and moulds plastics fixedly, the upper edge of bounding wall 4 covers and is equipped with apron 2, the side of apron 2 is provided with multiunit lower catching groove 9 respectively, apron 2 corresponds down the position of catching groove 9 is provided with respectively and catches groove 7, the both ends joint of activity knot 6 are in respectively go up catching groove 7 and lower catching groove 9 in, make apron 2 is relative bounding wall 4 is fixed.

The joint of apron 2 with bounding wall 4 is provided with sealing washer 3 for promote the seal in the bounding wall 4, avoid inside mold insert to close piece 5 to receive external environment (like silt particle, water droplet etc.) interference.

The side of the shell subassembly 1 is respectively provided with a plurality of connecting holes 8, and the shell subassembly 1 is connected and fixed with other external mechanisms (such as a chassis) through the connecting holes 8.

As shown in fig. 2-3, the insert assembly 5 includes a plurality of sets of insert modules 11, and the insert modules 11 are provided with a safety disc 12 and are fixed by a fastening nut 13.

In the embodiment of the present utility model, each group of insert modules 11 has the same structure, different sizes and shapes, for example, as shown in fig. 2, may be square, rectangular, L-shaped or have other specifications, and insert modules 11 with different numbers and different specifications are selected according to actual wiring requirements (i.e. the number of terminals corresponding to the copper bars 16); specifically, taking a square insert module 11 as an example as shown in fig. 4, the insert module 11 includes a fixing seat 14, a bolt 15 and a copper bar 16, the fixing seat 14 is injection-molded and fixed on the inner side of the coaming 4 of the housing subassembly 1, a plurality of positioning grooves 18 are formed in the bottom of the fixing seat 14, and a limiting block 19 is arranged at the upper end of the positioning groove 18 along the opening direction; the bolt 15 comprises a stud 21 and a positioning end 20 at the bottom of the stud 21, wherein the positioning end 20 is arranged in the positioning groove 18 and is limited and fixed by the limiting block 19.

The upper end of the fixed seat 14 is provided with a buckle 17, the buckle 17 is connected with a copper bar 16 in a clamping mode, a positioning hole 22 is formed in the copper bar 16 at a position corresponding to the stud 21, and the stud 21 is arranged in the positioning hole 22 in a penetrating mode.

The safety disc 12 is arranged on the copper bar 16, the safety disc 12 is arranged on the stud 21 in a penetrating manner and is fixed through the fastening nut 13, and the safety disc 12 is used for providing a current protection function.

The inner side of the coaming 4 is also provided with a spacing plate 10, and the spacing plate 10 is positioned in the middle of the adjacent copper bars 16 to provide installation guiding and avoid short circuit caused by too small spacing between adjacent copper bars 16.

According to the chassis distribution box shell structure disclosed by the embodiment of the utility model, the chassis distribution box shell structure is assembled in advance through the insert modules 11 (the combination of the fixed seat 14, the bolts 15 and the copper bars 16), a plurality of insert modules 11 are buried in the shell subassembly 1 for injection molding, so that the binding posts in the inner cavity of the coaming 4 are effectively isolated from the outside, meanwhile, the studs 21 slide in the opening direction of the positioning groove 18, and after the copper bars 16 are sleeved in through the through holes of the studs 21, the buckle 17 clamped in the fixed seat 14 forms the insert module 11, so that the process assembly difficulty is integrally simplified, the torque resistance breaking strength of the bolts 15 is improved, and the chassis distribution box has better sealing property and structural strength.

What is not described in detail in this specification is prior art known to those skilled in the art. Although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the present utility model may be modified or equivalents substituted for some of the features thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (8)

1. A chassis distribution box housing structure, comprising: the shell comprises a shell subassembly (1), a cover plate (2), a coaming (4), an insert assembly (5), a movable buckle (6), an upper buckle groove (7) and a lower buckle groove (9); the utility model discloses a shell subassembly, including shell subassembly (1), enclosing in the middle region of shell subassembly (1) and being in bounding wall (4), mold insert closing piece (5) set up in bounding wall (4) and the fixed of moulding plastics, the top edge of bounding wall (4) covers and is equipped with apron (2), the side of apron (2) is provided with multiunit lower catching groove (9) respectively, apron (2) correspond down the position of catching groove (9) is provided with catching groove (7) respectively, the both ends of activity knot (6) are in respectively joint in catching groove (7) and lower catching groove (9), make apron (2) are relative bounding wall (4) are fixed.

2. The chassis distribution box housing structure of claim 1 wherein: and a sealing ring (3) is arranged at the joint of the cover plate (2) and the coaming (4).

3. The chassis distribution box housing structure of claim 1 wherein: the side of the shell subassembly (1) is respectively provided with a plurality of connecting holes (8).

4. The chassis distribution box housing structure of claim 1 wherein: the insert assembly (5) comprises a plurality of groups of insert modules (11), and the insert modules (11) are provided with safety pieces (12) and are fixed through fastening nuts (13).

5. The chassis power distribution box housing structure of claim 4 wherein: the insert module (11) comprises a fixed seat (14), bolts (15) and copper bars (16), wherein the fixed seat (14) is fixed on the inner side of a coaming (4) of the shell subassembly (1) in an injection molding mode, a plurality of positioning grooves (18) are formed in the bottom of the fixed seat (14), and limiting blocks (19) are arranged at the upper ends of the positioning grooves (18) along the opening direction; the bolt (15) comprises a stud (21) and a positioning end (20) at the bottom of the stud (21), wherein the positioning end (20) is arranged in the positioning groove (18) and is limited and fixed through the limiting block (19).

6. The chassis power distribution box housing structure of claim 5, wherein: the fixing seat is characterized in that a buckle (17) is arranged at the upper end of the fixing seat (14), a copper bar (16) is clamped on the buckle (17), a positioning hole (22) is formed in the copper bar (16) corresponding to the stud (21), and the stud (21) is arranged in the positioning hole (22) in a penetrating mode.

7. The chassis distribution box housing structure of claim 6 wherein: the safety piece (12) is arranged on the copper bar (16), and the safety piece (12) is arranged on the stud (21) in a penetrating mode and is fixed through the fastening nut (13).

8. The chassis distribution box housing structure of claim 1 wherein: a spacing plate (10) is also arranged on the inner side of the coaming (4).