CN220021628U - Bonding terminal and car - Google Patents

Abstract

The utility model provides an iron bonding terminal and an automobile, and belongs to the field of automobile design and manufacture. The utility model provides an grounding terminal, which comprises a first terminal, wherein the first terminal comprises a first body and a limiting plug-in; the first body is provided with a mounting hole and a plurality of protruding parts, and the protruding parts are positioned outside the mounting hole and are arranged at intervals along the circumferential direction of the mounting hole; the limiting plug-in is located on one side of the first body along the radial direction of the mounting hole and is connected to the first body. According to the bonding terminal and the automobile, when the bonding terminal is fastened on the surface of the automobile body, the bonding terminal can damage the metal oxide layer on the surface of the automobile body, so that the conductivity of the bonding terminal is greatly improved, meanwhile, the limiting plug-in unit limits the bonding terminal in the fastening process of the bonding terminal, the wire harness damage caused by large rotation range of the bonding terminal is avoided, and the safety and reliability of an automobile electrical system are effectively improved.

Description

Bonding terminal and car

Technical Field

The utility model relates to the field of automobile design and manufacture, in particular to an iron bonding terminal and an automobile.

Background

In an electrical system of an automobile, an grounding terminal is generally made of a metal material, has good conductivity, and is widely used for connecting the electrical system and a vehicle body structure so as to ensure the safety and reliability of the electrical system of the automobile.

In the prior art, the ground terminal is usually required to be fastened on the surface of the vehicle body by bolts, and because the vehicle body is usually made of metal materials, the metal on the surface of the vehicle body is easy to oxidize to form an oxide layer, and after the ground terminal is fastened on the vehicle body, a metal oxide layer exists between the ground terminal and the vehicle body, so that the conductivity of the ground terminal is greatly reduced; meanwhile, the bonding terminal is easy to rotate in a large extent along with the bolt in the process of being fastened on the vehicle body, so that the wire harness connected with the bonding terminal is damaged, and the reliability and safety of an electrical system are affected.

The present utility model has been made in view of the above-described circumstances.

Disclosure of Invention

The utility model provides an iron bonding terminal and an automobile, and aims to solve the problems that in the prior art, when the iron bonding terminal is fastened on the surface of an automobile body, the conductivity of the iron bonding terminal is greatly reduced due to the existence of a metal oxide layer on the iron bonding terminal and the automobile body, and a wire harness is easy to damage due to larger rotation amplitude in the fastening process of the iron bonding terminal.

The first aspect of the utility model provides an grounding terminal, which comprises a first terminal, wherein the first terminal comprises a first body and a limiting plug-in;

the first body is provided with a mounting hole and a plurality of protruding parts, and the protruding parts are positioned outside the mounting hole and are arranged at intervals along the circumferential direction of the mounting hole;

the limiting plug-in is located on one side of the first body along the radial direction of the mounting hole and is connected to the first body.

In an alternative scheme of the utility model, two adjacent convex parts are enclosed together to form a groove part, and the inner surface of the groove part is an arc-shaped surface.

In an alternative embodiment of the present utility model, the first terminal further includes a first harness connection portion, where the first harness connection portion is located at an end of the first body away from the limiting insert and is connected to the first body.

In an alternative scheme of the utility model, the bonding terminal further comprises a second terminal, and the second terminal is arranged on one side of the first body, which is away from the protruding part, in the axial direction and is connected with the first terminal.

In an alternative scheme of the utility model, the first terminal further comprises a first clamping part, and the first clamping part protrudes out of the first body and is clamped with the second terminal.

In an alternative scheme of the utility model, the first clamping parts are arranged in pairs; the second terminal comprises a second body and a second clamping part, the second clamping part protrudes out of the second body and is connected to the second body, and the second clamping part is located between the two first clamping parts in pairs in the circumferential direction.

In an alternative scheme of the utility model, the second clamping parts are arranged in pairs, and the two second clamping parts are respectively positioned at two sides of the connecting line of the two first clamping parts.

In an alternative scheme of the utility model, the first terminal further comprises a first positioning part, the second terminal further comprises a second positioning part, and the second positioning part is matched with the first positioning part to position and install the second terminal.

In an alternative scheme of the utility model, the first positioning part is a limiting clamping protrusion or a limiting clamping hole; correspondingly, the second positioning part is a limiting clamping hole or a limiting clamping protrusion.

In an alternative aspect of the present utility model, the second terminal further includes a second wire harness connection portion, and the second wire harness connection portion is connected to the second body.

In an alternative scheme of the utility model, the limiting plug-in comprises a connecting part and a limiting part, wherein the connecting part is connected with the first body and extends along the radial direction of the mounting hole, and the limiting part is connected with the connecting part and extends along the axial direction of the mounting hole.

A second aspect of the present utility model provides an automobile including a body and the above ground terminal, the plurality of protrusions of the ground terminal being disposed facing the body; the vehicle body is provided with a matching hole and a limiting hole; the limiting hole is matched with a limiting plug-in of the bonding terminal so as to position and install the bonding terminal; the fitting hole is fitted with the mounting hole of the ground terminal to fixedly mount the first terminal to the vehicle body.

In an alternative scheme of the utility model, the limiting hole is arc-shaped; the spacing between the centers of the limiting holes and the matching holes is gradually increased along the extending direction of the limiting holes; the spacing between the spacing hole and the center of the matching hole is the same as the spacing between the spacing part of the spacing plug-in and the center of the mounting hole; the length of the limiting plug-in is greater than the depth of the limiting hole.

Compared with the prior art, the bonding terminal and the automobile provided by the utility model have the following beneficial effects:

according to the utility model, through the optimized design of the structure of the bonding terminal, the bonding terminal comprises a first terminal, and the first terminal comprises a first body and a limiting plug-in; the first body is provided with a mounting hole and a plurality of protruding parts, the mounting hole is used for a bolt to pass through, the bonding terminal is fastened on the body of the automobile, and the protruding parts are designed on the outer side of the mounting hole and are circumferentially arranged at intervals along the mounting hole, so that the metal oxide layer on the body of the automobile can be rotationally damaged by the protruding parts along with the rotation of the first terminal in the process of fastening the first terminal on the body of the automobile; meanwhile, the plurality of protruding parts can be extruded and deformed along with the action of axial fastening moment in the fastening process, so that the protruding parts are tightly attached to the surface of the vehicle body, the surface of the vehicle body is prevented from being oxidized again, and the conductivity of the bonding terminal is improved; and spacing plug-in components are located first body one side and connect in first body along the radial of mounting hole, and spacing plug-in components can peg graft on the automobile body, take place rotation deformation along with the bonding terminal fastening in-process, carry out spacing to the bonding terminal for the bonding terminal can not take place great rotation along with the bolt, in order to protect the pencil that bonding terminal connects can not take place the damage, thereby improve automobile electrical system's reliability and security.

When the bonding terminal is fastened on an automobile body, the design of the protruding part can damage a metal oxide layer on the surface of the automobile body, and meanwhile, tight connection is formed to prevent reoxidation, so that the conductivity of the bonding terminal is greatly improved; the design of spacing plug-in components can carry out spacingly to the bonding terminal when bonding terminal fastens to prevent the pencil of bonding terminal from being connected in the damage, and then improve car electrical system's security and reliability.

Other advantages and features of the ground terminal and vehicle provided by the present utility model will be further described in the detailed description section that follows.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art that the drawings in the following description are of some embodiments of the utility model, and that other drawings may be obtained from these drawings without inventive effort.

Fig. 1 is a bottom axial view of a first terminal according to an embodiment of the present utility model;

fig. 2 is a schematic view of a groove portion of a first terminal according to an embodiment of the present utility model;

fig. 3 is an axial side plan view of an overall structure of a first terminal according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of an overall structure of an grounding terminal according to an embodiment of the present utility model;

FIG. 5 is a schematic diagram illustrating deformation of a spacing insert according to an embodiment of the present utility model;

fig. 6 is a schematic view of an initial state of the bonding terminal in the fastening process of the vehicle body according to the embodiment of the present utility model;

fig. 7 is a schematic view of fastening the ground terminal in the fastening process of the vehicle body according to the embodiment of the present utility model;

fig. 8 is a partial cross-sectional view of a first terminal and a vehicle body provided by an embodiment of the present utility model;

fig. 9 is an assembly schematic diagram of a first terminal and a vehicle body according to an embodiment of the present utility model;

fig. 10 is a schematic view of the overall structure of the bonding terminal fastened to a vehicle body according to the embodiment of the present utility model;

fig. 11 is a schematic block diagram of an automobile according to an embodiment of the present utility model.

The reference numerals are as follows:

10. an grounding terminal;

100. a first terminal; 110. a first body; 111. a boss; 112. a mounting hole; 113. a groove portion; 120. a limit plug-in; 121. a connection part; 122. a limit part; 130. a first harness connection portion; 140. a first clamping part; 150. a first positioning portion;

200. a second terminal; 210. a second body; 220. a second clamping part; 230. a second positioning portion; 240. a second harness connection portion;

1000. an automobile;

300. a vehicle body; 310. a mating hole; 320. a limiting hole;

400. and (5) a bolt.

Detailed Description

In the description of the present utility model, it should be understood that, if there are descriptions of terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating orientation or positional relationship, it should be understood that the orientation or positional relationship shown based on the drawings is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, the presence of features defining "first" and "second" for descriptive purposes only, should not be interpreted as indicating or implying a relative importance or implicitly indicating the number of features indicated. Features defining "first", "second" may include at least one such defined feature, either explicitly or implicitly. If a description of "a plurality" is present, the generic meaning includes at least two, e.g., two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, terms such as "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; the connection may be mechanical connection, electrical connection, direct connection, indirect connection through an intermediate medium, communication between two elements or interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., as used herein, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In view of the foregoing, the general concept of the embodiment of the present utility model is to provide an grounding terminal 10, in which, considering that, after the grounding terminal 10 is fastened to a vehicle body 300 in the prior art, a metal oxide layer exists between the grounding terminal 10 and the vehicle body 300, so that the conductivity of the grounding terminal 10 is greatly reduced, the structure of the grounding terminal 10 is optimally designed, and a plurality of protrusions 111 are designed at the bottom of a first body 110 of the grounding terminal 10, and the protrusions 111 are located outside a mounting hole 112 and are designed at intervals along the circumferential direction of the mounting hole 112, so that when a bolt 400 passes through the mounting hole 112 to fasten the grounding terminal 10 to the vehicle body 300, the protrusions 111 can be rotated along with the grounding terminal 10 to destroy the metal oxide layer on the surface of the vehicle body 300, and the protrusions 111 can be deformed by extrusion along with the fastening moment to be tightly attached to the vehicle body 300, thereby preventing the metal on the surface of the vehicle body 300 from reoxidation, and effectively improving the conductivity of the grounding terminal 10; meanwhile, considering that the wire harness is easy to be damaged due to larger rotation amplitude in the fastening process of the ground terminal 10, the utility model also designs the limiting plug-in 120 on one side of the first body 110, and the limiting plug-in 120 extends along the radial direction of the mounting hole 112 so as to be plugged on the vehicle body 300 to limit the ground terminal 10 when the ground terminal 10 is fastened, thereby preventing the ground terminal 10 from greatly rotating to damage the wire harness, and further improving the reliability and safety of an electric system of the automobile 1000.

Based on the above-described general concept, a first aspect of an embodiment of the present utility model provides an ground terminal 10, and referring to fig. 1 to 5, the ground terminal 10 of the present embodiment includes a first terminal 100, the first terminal 100 includes a first body 110 and a limiting insert 120;

the first body 110 is provided with a mounting hole 112 and a plurality of protrusions 111, and the plurality of protrusions 111 are located outside the mounting hole 112 and are spaced apart along the circumferential direction of the mounting hole 112;

the limiting insert 120 is located at one side of the first body 110 along the radial direction of the mounting hole 112 and is connected to the first body 110.

It can be understood that in the present embodiment, the ground terminal 10 includes a first terminal 100, the first body 110 of the first terminal 100 is plate-shaped, the mounting hole 112 is formed through the first body 110, and the limiting insert 120 and the plurality of protruding portions 111 are located on the same surface of the first body 110, i.e. the bottom surface, so as to contact the vehicle body 300 when the ground terminal 10 is fastened.

The specific structure is explained in detail below.

Referring to fig. 2, in an alternative embodiment of the present utility model, two adjacent protrusions 111 together define a groove portion 113, and an inner surface of the groove portion 113 is an arc surface.

In this embodiment, a plurality of protruding portions 111 are disposed around the mounting hole 112, two adjacent protruding portions 111 together enclose a groove portion 113, and the inner surface of the groove portion 113 is an arc surface, i.e. the plurality of protruding portions 111 are corrugated as a whole; when the first terminal 100 is fastened, the surface of the protruding portion 111 and the surface of the vehicle body 300 gradually transition from point contact to surface contact along with rotation, and the protruding portion 111 extends to the groove portion 113 to generate extrusion deformation, so that the protruding portion 111 and the groove portion 113 form a plane together to be closely attached to the surface of the vehicle body 300 of the vehicle 1000, thereby realizing the purpose of damaging the metal oxide layer on the surface of the vehicle body 300 and preventing the metal on the surface of the vehicle body 300 from being oxidized again.

It can be appreciated that the plurality of protruding portions 111 protrude from the surface of the first body 110 to make multipoint contact with the surface of the vehicle body 300 when contacting the vehicle body 300, so as to ensure sufficient damage to the metal oxide layer. Meanwhile, the protruding portion 111 is in point contact at the beginning of fastening to the vehicle body 300, which is advantageous in reducing friction between the ground terminal 10 and the vehicle body 300, so that the protruding portion 111 can slide more easily on the surface of the vehicle body 300 to sufficiently destroy the oxide layer on the surface of the vehicle body 300.

As shown in fig. 3, in an alternative embodiment of the present utility model, the first terminal 100 further includes a first harness connection portion 130, where the first harness connection portion 130 is located at an end of the first body 110 away from the spacing insert 120 and is connected to the first body 110.

In this embodiment, the first wire harness connecting portion 130 is designed at one end of the first body 110 far away from the limiting plug 120, and is used for fixedly connecting the wire harness to the first terminal 100, the first wire harness connecting portion 130 is in a groove shape, the opening direction of the groove deviates from the direction of the protruding portion 111, and the wire harness connecting portion 130 is fixed in the groove of the first wire harness connecting portion 130 during connection, so that the surface of the vehicle body 300 will not affect the connection of the wire harness during the fastening process of the first terminal 100.

As shown in fig. 4 and 5, in an alternative embodiment of the present utility model, the ground terminal 10 further includes a second terminal 200, and the second terminal 200 is disposed at a side of the first body 110 facing away from the protrusion 111 in the axial direction and is connected to the first terminal 100.

In this embodiment, the bonding terminal 10 further includes a second terminal 200, where the second terminal 200 is axially designed on the top surface of the first body 110, i.e. on the surface facing away from the protruding portion 111, and the second terminal 200 is detachably connected with the first terminal 100, so as to facilitate expansion connection of the wire harness, and adapt to the connection requirements of the wire harnesses with different numbers.

With continued reference to fig. 3 and 4, in an alternative embodiment of the present utility model, the first terminal 100 further includes a first clamping portion 140, where the first clamping portion 140 protrudes from the first body 110 and is clamped to the second terminal 200, and the first clamping portions 140 are arranged in pairs; the second terminal 200 includes a second body 210 and a second clamping portion 220, where the second clamping portion 220 protrudes from the second body 210 and is connected to the second body 210, the second clamping portions 220 are arranged in pairs, the second clamping portion 220 is circumferentially located between two first clamping portions 140 in pairs, and the two second clamping portions 220 are respectively located at two sides of the connecting line of the two first clamping portions 140. The second body 210 is provided with a through hole adapted to the mounting hole 112 of the first body 110, so that the bolt 400 passes through the mounting hole 112 and the through hole simultaneously to fasten the ground terminal 10 to the body 300 of the automobile 1000.

In this embodiment, the first terminal 100 further includes a first clamping portion 140, where the first clamping portions 140 are arranged in pairs and connected to the outer edges of the two sides of the top of the first body 110; the second terminal 200 includes a second body 210 and a second clamping portion 220, the second clamping portion 220 protrudes from the top outer edge of the second body 210 and is arranged in pairs, the second terminal 200 is mounted on the top of the first terminal 100, the second terminal 200 is clamped with the first terminal 100 through the first clamping portion 140, the second body 210 is clamped on the top of the first body 110 through the first clamping portion 140 in the mounting process, and the second clamping portion 220 and the first clamping portion 140 mutually support each other after the second body 210 rotates to a preset position so as to limit the rotation of the second terminal 200, so that the expansion requirement of the connection of the bonding terminal 10 wire harness is met.

In an alternative embodiment of the present utility model, the first terminal 100 further includes a first positioning portion 150, and the second terminal 200 further includes a second positioning portion 230, where the second positioning portion 230 cooperates with the first positioning portion 150 to position and mount the second terminal 200.

In this embodiment, the first terminal 100 further includes a first positioning portion 150, the first positioning portion 150 is protruding and located on a top surface of the first body 110, the second terminal 200 further includes a second positioning portion 230, the second positioning portion 230 is hole-shaped, and the first positioning portion 150 can be embedded into the second positioning portion 230 to cooperate with the second clamping portion 220 to completely limit the second terminal 200, so as to firmly connect the second terminal 200.

In some embodiments, the first positioning portion 150 is a limit clip protrusion or a limit clip hole; correspondingly, the second positioning portion 230 is a limiting clip hole or a limiting clip protrusion.

It can be understood that the first positioning portion 150 may be a limiting clamp hole or a limiting clamp hole, and accordingly, in order to meet the matching requirement of the first positioning portion 150 and the second positioning portion 230, the second positioning portion 230 may be a limiting clamp hole or a limiting clamp hole; meanwhile, in order to meet the connection requirement of more wire harnesses, the second terminals 200 can be designed in plurality, when the second terminals 200 are designed in plurality, the second positioning portions 230 are designed to be limiting clamping holes or limiting clamping protrusions on different second terminals 200, and the second clamping portions 220 are matched, so that the expansion connection of more second terminals 200 is realized, and the expansion connection requirement of the wire harnesses is met.

Referring to fig. 4, in the present embodiment, the second terminal 200 further includes a second wire harness connection portion 240, the second wire harness connection portion 240 is connected to the second body 210, and the second wire harness connection portion 240 and the first wire harness connection portion 130 may have the same design, so as to simultaneously meet the connection requirements of a plurality of wire harnesses.

In an alternative embodiment of the present utility model, the limiting insert 120 includes a connection portion 121 and a limiting portion 122, the connection portion 121 is connected to the first body 110 and extends along a radial direction of the mounting hole 112, and the limiting portion 122 is connected to the connection portion 121 and extends along an axial direction of the mounting hole 112.

In this embodiment, the limiting plug 120 further includes a connecting portion 121 and a limiting portion 122, the connecting portion 121 is connected to the first body 110 and extends radially in a direction away from the mounting hole 112, and the limiting portion 122 is connected to an end portion of the connecting portion 121 away from the first body 110 and extends axially toward the mounting hole 112; when the first terminal 100 is fastened, the limiting portion 122 can rotationally deform along with the rotation of the first terminal 100, limit the first terminal 100, and prevent the first terminal 100 from rotating to a large extent to damage the wire harness connected thereto.

Referring to fig. 6 to 11, a second aspect of the embodiment of the present utility model provides an automobile 1000, including a body 300 and the above-mentioned ground terminal 10, wherein the plurality of protruding portions 111 of the ground terminal 10 are disposed facing the body 300; the vehicle body 300 is provided with a fitting hole 310 and a limiting hole 320; the limiting hole 320 is matched with the limiting plug 120 of the ground terminal 10 to position and mount the ground terminal 10; the fitting hole 310 is fitted with the mounting hole 112 of the ground terminal 10 to fixedly mount the first terminal 100 to the vehicle body 300.

In this embodiment, the automobile 1000 includes a body 300 and the above-mentioned ground terminal 10, the plurality of protruding portions 111 of the ground terminal 10 face the body 300, and the body 300 is designed with a fitting hole 310 and a limiting hole 320; wherein, the fit hole 310 is adapted to the mounting hole 112 of the bonding terminal 10, so that the bonding terminal 10 is fastened and connected to the vehicle body 300 by the bolt 400, and the limit hole 320 is matched to the limit plug-in 120 of the bonding terminal 10, so that the limit plug-in 120 can be distorted and deformed in the limit hole 320, the bonding terminal 10 is limited, and the bonding terminal 10 is prevented from being greatly rotated to damage the wire harness.

In an alternative embodiment of the present utility model, the limiting aperture 320 is arc-shaped; the spacing between the spacing holes 320 and the centers of the mating holes 310 gradually increases along the extending direction of the spacing holes 320; the spacing between the spacing holes 320 and the centers of the mating holes 310 is at least the same as the spacing between the spacing portion 122 of the spacing insert 120 and the center of the mounting hole 112; the length of the spacing insert 120 is greater than the depth of the spacing hole 320.

In some embodiments, the limiting hole 320 is arc-shaped, and the distance between the hole edge of the limiting hole 320 and the center of the matching hole 310 gradually increases from left to right along the arc-shaped extending direction of the limiting hole 320; the distance between the hole edge at the left end of the limiting hole 320 and the center of the matching hole 310 is the same as the distance between the limiting part 122 of the limiting plug-in 120 and the center of the mounting hole 112, so that the limiting part 122 of the limiting plug-in 120 can be inserted into the limiting hole 320; the spacing between the hole edge at the right end of the limiting hole 320 and the center of the mating hole 310 is greater than the spacing between the limiting portion 122 of the limiting plug-in unit 120 and the center of the mounting hole 112, referring to fig. 6 and 7, when the first terminal 100 is fastened, the limiting portion 122 of the limiting plug-in unit 120 rotates in the limiting hole 320 from left to right along the arc-shaped hole, and due to the gradual increase of the spacing between the hole edge of the limiting hole 320 and the center of the mating hole 310, the limiting portion 122 is gradually stretched in the rotation process, and when the limiting portion rotates to the right end of the limiting hole 320, due to the shape limitation of the limiting hole 320, distortion occurs, and meanwhile, due to the fact that the length of the limiting plug-in unit 120 is greater than the depth of the limiting hole 320, the limiting plug-in unit 120 cannot be separated from the limiting hole 320, and is cured in position to limit the bonding terminal 10, so that the excessively large rotation amplitude of the bonding terminal 10 is prevented from damaging the wire harness.

On the other hand, in the embodiment, the vehicle body 300 is made of aluminum, an aluminum oxide insulating layer is formed on the surface of the vehicle body 300, in the process that the ground terminal 10 is fastened to the vehicle body 300, the bolt 400 passes through the mounting hole 112 and the fitting hole 310, the fitting relation between the plurality of protruding portions 111 of the first terminal 100 and the vehicle body 300 is initially in point contact, the fastening moment applied along with the rotation of the bolt 400 acts on the surface of the vehicle body 300 to rotate, the aluminum oxide insulating layer is damaged, when the limiting portion 122 of the limiting insert 120 rotates to the right end position of the limiting hole 320 to be solidified, the fitting relation between the plurality of protruding portions 111 and the vehicle body 300 is transited to be in surface contact, namely, the plurality of protruding portions 111 are extruded and deformed to be a flat surface, so that the bottom surface of the first terminal 100 is in close contact with the vehicle body 300, secondary oxidization of the contact surface of the vehicle body 300 is prevented, the contact resistance between the ground terminal 10 and the vehicle body 300 is effectively reduced, and the signal transmission reliability of the wire harness is improved.

In summary, when the bonding terminal 10 and the automobile 1000 provided by the embodiment of the utility model are fastened to the automobile 1000 body 300, the design of the protruding part 111 can damage the metal oxide layer on the surface of the automobile 1000 body 300, and meanwhile, the tight connection is formed to prevent reoxidation, so that the conductivity of the bonding terminal 10 is greatly improved; the spacing insert 120 is designed to limit the ground terminal 10 when the ground terminal 10 is fastened to prevent damage to the wire harness connecting the ground terminal 10, thereby improving the safety and reliability of the electrical system of the automobile 1000.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made to the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. An ground terminal (10) comprising a first terminal (100), the first terminal (100) comprising a first body (110) and a limiting insert (120);

the first body (110) is provided with a mounting hole (112) and a plurality of protruding parts (111), and the protruding parts (111) are positioned outside the mounting hole (112) and are arranged at intervals along the circumferential direction of the mounting hole (112);

the limiting plug-in (120) is located on one side of the first body (110) along the radial direction of the mounting hole (112) and is connected to the first body (110).

2. The ground terminal (10) of claim 1, characterized in that adjacent two of the protruding portions (111) together enclose a recessed portion (113), an inner surface of the recessed portion (113) being an arcuate surface.

3. The ground terminal (10) of claim 1, wherein the first terminal (100) further comprises a first harness connection (130), the first harness connection (130) being located at an end of the first body (110) remote from the spacing insert (120) and connected to the first body (110).

4. The ground terminal (10) of claim 1, characterized in that the ground terminal (10) further comprises a second terminal (200), the second terminal (200) being disposed on a side of the first body (110) facing away from the boss (111) in an axial direction of the mounting hole (112) and being connected to the first terminal (100).

5. The ground terminal (10) of claim 4, wherein the first terminal (100) further includes a first clamping portion (140), the first clamping portion (140) protruding from the first body (110) and clamping to the second terminal (200).

6. The ground terminal (10) of claim 5, characterized in that,

the first clamping parts (140) are arranged in pairs;

the second terminal (200) comprises a second body (210) and a second clamping portion (220), the second clamping portion (220) protrudes from the second body (210) and is connected to the second body (210), and the second clamping portion (220) is located between the two first clamping portions (140) in pairs in the circumferential direction.

7. The ground terminal (10) of claim 5, characterized in that,

the first terminal (100) further comprises a first positioning part (150), the second terminal (200) further comprises a second positioning part (230), and the second positioning part (230) is matched with the first positioning part (150) to position and install the second terminal (200).

8. The ground terminal (10) of any one of claims 1-7, characterized in that the spacing insert (120) comprises a connecting portion (121) and a spacing portion (122), the connecting portion (121) being connected to the first body (110) and extending radially of the mounting hole (112), the spacing portion (122) being connected to the connecting portion (121) and extending axially of the mounting hole (112).

9. An automobile (1000) comprising a vehicle body (300) and the ground terminal (10) of claim 8, a plurality of the convex portions (111) of the ground terminal (10) being provided facing the vehicle body (300);

the vehicle body (300) is provided with a matching hole (310) and a limiting hole (320);

the limiting hole (320) is matched with a limiting plug-in (120) of the bonding terminal (10) so as to position and install the bonding terminal (10);

the fitting hole (310) is fitted with a mounting hole (112) of the ground terminal (10) to fixedly mount the first terminal (100) to the vehicle body (300).

10. The automobile (1000) according to claim 9, wherein,

the limiting hole (320) is arc-shaped;

the spacing between the spacing hole (320) and the center of the matching hole (310) is gradually increased along the extending direction of the spacing hole (320);

the spacing between the spacing hole (320) and the center of the matching hole (310) is the same as the spacing between the spacing part (122) of the spacing plug-in (120) and the center of the mounting hole (112);

the length of the limiting insert (120) is greater than the depth of the limiting aperture (320).