CN218385773U

CN218385773U - Portable multipoint bonding device for automobile

Info

Publication number: CN218385773U
Application number: CN202222493561.2U
Authority: CN
Inventors: 向家豪; 张建; 朱鑫; 陈俊; 喻晓玲
Original assignee: Hunan Huda Aisheng Auto Parts Equipment Manufacturing Co ltd
Current assignee: Hunan Huda Aisheng Auto Parts Equipment Manufacturing Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-01-24
Anticipated expiration: 2032-09-19

Abstract

The utility model discloses a car portable multiple spot bonding device relates to the technical field of car bonding device, and the device includes: the device comprises a lower shell, an upper shell, a stud bolt, a nut, a split pin and a bonding terminal; the lower shell is connected with the upper shell through a stud, the bonding terminal is positioned on the outer ring of the lower shell and is fixed between the lower shell and the upper shell through mutual extrusion between a boss, a mounting pin and a clamping groove of the lower shell and a circular boss of the upper shell; the nut is screwed on one side of the stud bolt with the jack, the lower part of the nut is tightly attached to the upper shell, and the cotter pin is inserted into the jack of the stud bolt; one end of the lower shell fixed by the stud bolts is also fixed on a bonding mounting hole of the automobile body.

Description

Portable multipoint bonding device for automobile

Technical Field

The utility model relates to a technical field of car bonding device particularly, relates to a car portable multiple spot bonding device.

Background

Along with the increase of the intelligent and electrified degrees of the automobile, the optimization problem of the grounding becomes a problem which needs to be solved urgently, and because the single wire system and the negative grounding are adopted on the automobile, too many grounding points inevitably lead to too many holes on the automobile body, so that the structural strength of the automobile body is reduced, and the safety of a driver and personnel on the automobile is influenced. The ground engaging devices on the market can be roughly classified into the following three categories: the first type uses bolts for bonding, and the bonding mode needs more mounting holes on the vehicle body, so that the structural strength of the vehicle frame can be greatly reduced, and the driving risk is increased; the second type is that the structure of the bonding terminals is modified, and the mutual matching relationship of the bonding terminals is utilized to achieve the purpose of multipoint bonding by fastening with bolts, the scheme has complex processing and low fault tolerance rate, and the mounting is required according to the mounting sequence during design, so that the working strength of mounting personnel is increased, and the design scheme has complex assembly and disassembly, if one bonding terminal has a fault, the whole bonding terminal needs to be disassembled, and then the corresponding bonding terminal needs to be replaced for matching, so that the practicability is low; the third type utilizes mount pad, ground cone, ground main part and a plurality of terminal subassembly to realize the multiple spot bonding, and this type of scheme structure is comparatively complicated, and manufacturing cost is higher, and the popularization degree of difficulty is great, and the practicality is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the multipoint bonding device has the advantages that the number of holes in the vehicle body structure is small, the dismounting is easy, the cost is low, nearby electric appliances can be mounted, and the comprehensive requirements of the automobile bonding are met.

The technical scheme of the utility model is that: provided is a portable multipoint bonding device for an automobile, comprising:

in any one of the above technical solutions, further, the lower shell, the upper shell, the stud bolt and the ground terminal;

the lower shell is connected with the upper shell through the stud bolts, the bonding terminal is located on the outer ring of the lower shell, the bonding terminal is fixed between the lower shell and the upper shell, and one end, fixed by the stud bolts, of the lower shell is fixed on a bonding mounting hole of an automobile body.

In any one of the above technical solutions, further, the lower housing includes: the mounting pin is arranged on the boss;

the boss is located the internal surface of casing down, and the mounting pin is located the center of boss upper surface, and the radius of mounting pin is less than the radius of boss, and the mounting pin top has the chamfer, and the draw-in groove is located the outer lane of casing down, draw-in groove position and boss one-to-one, lower screw thread through-hole is located the center of casing down.

In any one of the above technical solutions, further, the ground terminal is fitted into the mounting pin, and the ground terminal is fixed in the card slot.

In any one of the above technical solutions, further, the upper casing surface includes: the circular boss and the upper through hole;

the circular boss is located on the surface of the upper shell, and the upper through hole is located in the center of the upper shell.

In any one of the above technical solutions, further, the radius of the inner ring of the circular boss is equal to the radius of the mounting pin, the circular boss is distributed corresponding to the boss, and the mounting pin is inserted into the circular boss after the lower shell and the upper shell are connected.

In any one of the above technical solutions, further, the stud bolt includes: the screw shoulder, the jack and the inner hexagonal groove;

the screw shoulder is a cylinder, and the screw shoulder is located the centre of stud, and the jack is located one side of stud, and the hexagon socket head cap groove is located the terminal surface of jack place one side.

In any one of the above technical solutions, further, the apparatus further includes: a nut and a cotter pin;

the nut is screwed on one side of the stud bolt with the jack, and the lower part of the nut is tightly attached to the upper shell; the cotter pin is inserted into the insertion hole of the stud bolt.

The utility model has the advantages that:

the technical proposal of the utility model has simple structure, few parts, low cost and convenient disassembly and assembly; and the automobile body is connected with the automobile body only through the stud bolts, so that the holes of the automobile body structure are greatly reduced, and the strength of the automobile body structure is improved.

Drawings

The above and additional aspects of the invention will be apparent from and readily appreciated by reference to the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

fig. 1 is an assembly schematic diagram of an automotive portable multipoint bonding apparatus according to one embodiment of the present invention;

fig. 2 is a schematic view of a lower housing of the portable multipoint bonding apparatus for an automobile according to an embodiment of the present invention;

fig. 3 is a schematic view of the installation of the lower housing of the portable multipoint bonding apparatus for a vehicle according to an embodiment of the present invention;

fig. 4 is a schematic view of an upper housing of the portable multipoint bonding apparatus for a vehicle according to an embodiment of the present invention;

fig. 5 is a schematic view of a stud bolt of the portable multipoint bonding apparatus for a vehicle according to an embodiment of the present invention;

fig. 6 is a partial schematic view of a stud of the portable multipoint bonding apparatus for an automobile according to an embodiment of the present invention;

fig. 7 is a schematic view of stud installation of the portable multipoint bonding apparatus for a vehicle according to an embodiment of the present invention.

The novel shell structure comprises a shell, a bolt, a nut, a lug boss, a mounting pin, a clamping groove, a lower threaded through hole, a shell, a ring lug boss, a threaded through hole, a stud bolt, a shoulder bolt, a 32-jack, a hexagon slot, a nut, a split pin and a grounding terminal, wherein the shell comprises 10 parts of a lower shell, 11 parts of lug bosses, 12 parts of mounting pins, 13 parts of clamping grooves, 14 parts of lower threaded through holes, 20 parts of an upper shell, 21 parts of a ring lug boss, 22 parts of upper through holes, 30 parts of stud bolts, 31 parts of shoulder bolts, 32 parts of jacks, 33 parts of inner hexagon slots, 34 parts of nuts, 35 parts of split pins and 40 parts of grounding terminals.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

As shown in fig. 1, the present embodiment provides a portable multipoint bonding device for a vehicle, which comprises: the lower case 10, the upper case 20, the stud bolt 30, the nut 34, the cotter pin 35, and the ground terminal 40.

As shown in fig. 2, the lower housing 10 includes a plurality of bosses 11 and mounting pins 12, the radius of the bosses 11 is greater than the radius of the mounting pins 12, each mounting pin 12 is located on a different boss 11, a clamping groove 13 is formed in a position of an outer ring of the lower housing 10 corresponding to each boss 11, and a lower threaded through hole 14 is formed in a central position of the lower housing 10.

As shown in fig. 3, a circular hole at one end of the bonding terminal 40 is fitted into the mounting pin 12, the radius of the circular hole is equal to the radius of the mounting pin 12, and the other end of the bonding terminal 40 is fixed in the card slot 13. Wherein, the top end of the mounting pin 12 has a chamfer angle for facilitating the mounting of the grounding terminal 40.

As shown in fig. 4, the surface of the upper shell 20 includes a plurality of circular bosses 21, the radius of the inner ring of the circular bosses 21 is equal to the radius of the mounting pin 12, and the distribution of the circular bosses 21 corresponds to the bosses 11; the upper case 20 is formed at a central position thereof with an upper through hole 22, and the upper through hole 22 does not include a screw thread.

As shown in fig. 5 and 6, the stud bolt 30 has a shoulder 31 in the middle, the shoulder 31 is a cylinder with a radius larger than the radius of the lower threaded through hole 14 and the upper through hole 22, one end of the stud bolt 30 is provided with an insertion hole 32, the end surface of the end is provided with an inner hexagonal groove 33, and the inner hexagonal groove 33 is convenient for a worker to assemble and disassemble.

As shown in fig. 7, the nut 34 is screwed on the side of the stud bolt 30 having the insertion hole 32, and the cotter pin 35 is inserted into the insertion hole 32 of the stud bolt 30.

As shown in fig. 1 and 3, one side of the stud 30 without the insertion hole 32 is screwed into the lower threaded through hole 13 of the lower shell 10, and is inserted into the upper through hole 22 of the upper shell 20, and the split pin 35 is inserted into the insertion hole 32 after the nut 34 is screwed, so as to complete the fixation, wherein the bosses 11 correspond to the circular bosses 21 one by one, and the top ends of the mounting pins 12 are inserted into the circular bosses 21; the annular boss 21, the boss 11, the mounting pin 12 and the card slot 13 collectively clamp the earth terminal 40.

One end of the stud 30 fixed to the lower case 10 protrudes a part of a stud fixed to a ground mounting hole of the vehicle body.

The technical scheme of the utility model is explained in detail in the above combination of the figure the utility model provides a car portable multiple spot bonding device, include: a lower case 10, an upper case 20, a stud 30, a nut 34, a cotter pin 35, and a ground terminal 40;

the lower shell 10 is connected with the upper shell 20 through the stud bolt 30, the bonding terminal 40 is positioned on the outer ring of the lower shell 10, and is fixed between the lower shell 10 and the upper shell 20 through mutual extrusion among the boss 11, the mounting pin 12, the clamping groove 13 of the lower shell 10 and the circular boss 21 of the upper shell 20; a nut 34 is screwed on one side of the stud 30 with the insertion hole 32, the lower part of the nut 34 is tightly attached to the upper shell 20, and a cotter pin 35 is inserted into the insertion hole 32 of the stud 30; one end of the stud bolt 30, which fixes the lower case 10, is also fixed to a ground attachment hole of the vehicle body.

In the present invention, the terms "mounting", "connecting", "fixing" and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

The shapes of the various components in the drawings are schematic and do not preclude the existence of certain differences from their true shapes, and the drawings are intended only to illustrate the principles of the present invention and are not intended to limit the invention.

Although the present invention has been disclosed in detail with reference to the accompanying drawings, it is to be understood that such description is merely illustrative and not restrictive of the application of the present invention. The scope of the invention is defined by the appended claims and may include various modifications, adaptations and equivalents of the invention without departing from its scope and spirit.

Claims

1. A portable multipoint bonding device for a vehicle, the portable multipoint bonding device comprising: a lower case (10), an upper case (20), a stud bolt (30), and a ground terminal (40);

lower casing (10) pass through stud (30) with last casing (20) are connected, bonding terminal (40) are located casing (10) outer lane down, bonding terminal (40) are fixed down between casing (10) and last casing (20), stud (30) are fixed the one end of casing (10) is fixed down on the bonding mounting hole of automobile body.

2. The portable multipoint bonding apparatus for vehicles according to claim 1, wherein said lower housing (10) comprises: the mounting structure comprises a boss (11), a mounting pin (12), a clamping groove (13) and a lower threaded through hole (14);

boss (11) are located the internal surface of casing (10) down, installation round pin (12) are located the center of boss (11) upper surface, the radius of installation round pin (12) is less than the radius of boss (11), there is the chamfer on installation round pin (12) top, draw-in groove (13) are located the outer lane of casing (10) down, draw-in groove (13) position with boss (11) one-to-one, lower screw thread through-hole (14) are located the center of casing (10) down.

3. The portable multipoint bonding device for automobiles of claim 2, wherein the bonding terminal (40) is nested into the mounting pin (12), and the bonding terminal (40) is fixed in the card slot (13).

4. The portable multipoint bonding apparatus for automobiles according to claim 2, wherein said upper housing (20) surface comprises: a circular boss (21) and an upper through hole (22);

the circular boss (21) is located on the surface of the upper shell (20), and the upper through hole (22) is located in the center of the upper shell (20).

5. The portable multipoint bonding device for automobiles according to claim 4, wherein the radius of the inner circle of the circular boss (21) is equal to the radius of the mounting pin (12), the distribution of the circular boss (21) corresponds to the boss (11), and the mounting pin (12) is inserted into the circular boss (21) after the lower shell (10) and the upper shell (20) are connected.

6. The portable multipoint bonding apparatus for vehicles according to claim 1, wherein said stud bolt (30) comprises: a screw shoulder (31), a plug hole (32) and an inner hexagonal groove (33);

the screw shoulder (31) is a cylinder, the screw shoulder (31) is located in the middle of the stud bolt (30), the insertion hole (32) is located on one side of the stud bolt (30), and the inner hexagonal groove (33) is located on the end face of one side where the insertion hole (32) is located.

7. The portable multipoint bonding apparatus of claim 6, further comprising: a nut (34) and a cotter pin (35);

the nut (34) is screwed on one side of the stud bolt (30) with the insertion hole (32), and the lower part of the nut (34) is tightly attached to the upper shell (20); the cotter pin (35) is inserted into the insertion hole (32) of the stud bolt (30).