CN218997128U

CN218997128U - Terminal, electric connector, wire harness and vehicle

Info

Publication number: CN218997128U
Application number: CN202223230548.4U
Authority: CN
Inventors: 姚东泉; 徐进勇
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-09
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a terminal, an electric connector, a wire harness and a vehicle, wherein the terminal comprises: the integrated terminal comprises an integrated terminal body, wherein the terminal body is provided with a plug-in part, a mounting part and a wire pressing part which are sequentially connected; the mounting portion comprises four side walls, wherein at least one first side wall is provided with a first clamping piece, an extension wall of a second side wall adjacent to the first side wall is provided with a second clamping piece, and the first clamping piece and the second clamping piece are used for being matched in a clamping mode, so that the mounting portion encloses a box body structure. Through having buckle structure in at least one first lateral wall of installation department for carry out buckle cooperation with the extension wall of its adjacent second lateral wall, so that the installation department encloses into the box structure, make the terminal laminate in the region of linking when shaping into the box structure and fasten, reinforcing terminal's structural stability.

Description

Terminal, electric connector, wire harness and vehicle

Technical Field

The utility model relates to the technical field of wire harness connection, in particular to a terminal, an electric connector, a wire harness and a vehicle.

Background

With the development of the connector industry, the square terminal is taken as a development direction of the terminal connector, has the characteristics of low cost and excellent performance, and has been widely developed and applied. The square terminal can have certain difficulty in manufacturing process, and the square terminal of prior art is laminated inadequately in fashioned technology, because the material itself can certain resilience, leads to the square terminal that finally takes shape not enough perpendicularly, and then influences the structural stability of square terminal.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the terminal which can be attached and fastened in the joint area when the terminal is formed into the box body structure, so that the structural stability of the terminal is enhanced.

The utility model also provides an electric connector, a wire harness and a vehicle.

An embodiment of the terminal according to the first aspect of the present utility model includes: the integrated terminal comprises an integrated terminal body, wherein the terminal body is provided with a plug-in part, a mounting part and a wire pressing part which are sequentially connected;

the mounting portion comprises four side walls, wherein at least one first side wall is provided with a first clamping piece, an extension wall of a second side wall adjacent to the first side wall is provided with a second clamping piece, and the first clamping piece and the second clamping piece are used for being matched in a clamping mode, so that the mounting portion encloses a box body structure.

In some embodiments, a side of the second sidewall adjacent to the first sidewall has an extension wall that is bent relative to the second sidewall.

In some embodiments, the extension wall is bent toward a direction parallel to the first sidewall, and the extension wall is attached to the first sidewall.

In some embodiments, the four side walls of the mounting portion enclose a receiving cavity, and the extending wall is bent into the receiving cavity.

In some embodiments, the first snap member is a snap protrusion and the second snap member is a snap groove or a snap hole.

In some embodiments, the first snap member is a snap recess or a snap hole and the second snap member is a snap protrusion.

In some embodiments, the sides of the snap projections have rounded transition structures for providing guidance when inserting the snap projections into the snap grooves or snap holes.

In some embodiments, at least one of the first side walls has a stiffener.

In some embodiments, the second side wall extends toward the plugging portion, and the stopper forms a preset included angle with the second side wall, and the preset included angle is an obtuse angle.

In some embodiments, at least one third sidewall has an outwardly projecting error proofing structure for guiding the insertion direction of the terminal and outer housing interaction.

According to the terminal provided by the embodiment of the utility model, the clamping structure is arranged in at least one first side wall of the mounting part and is used for being matched with the extending wall of the second side wall adjacent to the mounting part in a clamping mode, so that the mounting part encloses a box body structure, the terminal is tightly attached and fastened in a joint area when the terminal is formed into the box body structure, and the structural stability of the terminal is enhanced.

An embodiment according to a second aspect of the utility model proposes an electrical connector comprising a terminal according to an embodiment of the first aspect of the utility model. Through making the terminal laminate in the region of linking when shaping into box structure and fasten, strengthened the structural stability of terminal, and then strengthened the connection stability of electric connector.

According to a third aspect of the present utility model, an embodiment proposes a wire harness comprising an electrical connector according to an embodiment of the second aspect of the present utility model; and an electric wire electrically connected with the terminal. Through making the terminal laminate in the region of linking when shaping into box structure and fasten, strengthened the connection stability of electric connector, and then strengthened the bulk connection performance of pencil.

An embodiment according to a fourth aspect of the present utility model proposes a vehicle comprising the wire harness according to the embodiment of the third aspect. Through the whole connection performance of the wire harness, the use safety of the vehicle and the adaptability to the environment can be improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of a structure of a terminal in one direction according to an embodiment of the present utility model;

fig. 2 is a schematic view of a structure of a terminal in another direction according to an embodiment of the present utility model;

fig. 3 is a schematic view of a structure of a terminal according to an embodiment of the present utility model in another embodiment;

FIG. 4 is a schematic cross-sectional view in the direction A-A according to FIG. 3;

fig. 5 is a schematic view of a structure of a terminal in another direction according to an embodiment of the present utility model;

fig. 6 is a schematic cross-sectional view in the direction B-B according to fig. 5.

Reference numerals:

the terminal body 1 is provided with a plurality of terminals,

the plug-in part 11, the first plug-in part 111, the second plug-in part 112, the guide part 113, the transition part 114,

the mounting portion 12, the first side wall 121, the first fastener 1212, the stiffener 1214, the second side wall 122, the third side wall 123, the fourth side wall 124, the stopper 125, the extension wall 126, the second fastener 1262, the error proofing structure 127,

wire pressing section 13, conductor terminal 131, and insulating terminal 132.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

A terminal according to an embodiment of the present utility model is described below with reference to the accompanying drawings.

Referring to fig. 1-6, schematic structural views of a terminal in different directions according to an embodiment of the present utility model are shown, where the terminal includes an integrally formed terminal body 1, which may be manufactured by bending a metal sheet, for example. The terminal body 1 has a socket portion 11, a mounting portion 12, and a wire pressing portion 13 connected in this order.

The plug-in part 11 comprises a first plug-in part 111 and a second plug-in part 112 which are formed by folding, the first plug-in part 111 and the second plug-in part 112 are in symmetrical structures, the plug-in part 11 is also provided with a guide part 113 and a transition part 114,

the guide member 113 and the transition member are both in conical structures, so that the guide member and the transition member can be conveniently in plug-in fit with the opposite end.

The mounting portion 12 includes four side walls, namely, a first side wall 121, a second side wall 122, a third side wall 123 and a fourth side wall 124, where the first, second, third and fourth side walls are not limited to specific order of the side walls, the order of each side wall can be arranged interchangeably, at least one first side wall 121 has a first fastener 1212, and an extension wall 126 of the second side wall 122 adjacent thereto has a second fastener 1262, and the first fastener 1212 and the second fastener 1262 are used for snap fit, so that the mounting portion 12 encloses a box structure.

Specifically, as shown in fig. 1, the plugging portion 11 is at the axial front end of the terminal body 1, and is configured to be inserted into the accommodating cavity of the mating end when the terminal is mated with the mating end, and is configured to abut against the contact member of the mating end, so as to implement electrical connection. The installation portion 12 is connected with the plug portion 11, the installation portion 12 is used for playing a limiting role when the terminal is installed in an external shell (sheath), meanwhile, the installation portion 12 is a core portion of the terminal body 1 integrally formed, the installation portion 12 of the embodiment is provided with a first buckling piece 1212 through a first side wall 121 of at least four side walls, an extension wall 126 of a second side wall 122 adjacent to the installation portion is provided with a second buckling piece 1262, and the first buckling piece 1212 and the second buckling piece 1262 are used for buckling and matching, so that the installation portion 12 encloses a box structure. It should be noted that the box structure may also be referred to as a square structure, and the structure may be substantially square, and due to the influence of materials and processes, an arc transition may inevitably occur between the side walls, that is, a chamfer structure may be formed, and due to the small size of the terminal structure, the terminal body 1 may still have a square structure as a whole, so that even a non-regular box or a box-like terminal should be included in the box terminal defined in the present utility model. It is understood that the first side wall 121 may be at least one of the four side walls of the mounting portion 12, that is, the first side wall 121 may be replaced by one or more of the second side wall 122, the third side wall 123 and the fourth side wall 124, which is not limited in this embodiment.

According to the terminal provided by the embodiment of the utility model, the bayonet structure is added at the final package side, and the terminal can form clamping connection when the package sides are connected, so that the situation that the angle cannot be relatively vertical due to the elasticity of materials is prevented, the terminal is tightly attached and fastened in the connected area when the terminal is formed into the box body structure, and the structural stability of the terminal is enhanced.

In some embodiments, the side of the second sidewall 122 adjacent to the first sidewall 121 has an extension wall 126, and the extension wall 126 is bent with respect to the second sidewall 122. That is, the extension wall 126 is formed by bending the second side wall 122, the extension wall 126 is bent towards the direction parallel to the first side wall 121, and the extension wall 126 is attached to the first side wall 121. Specifically, the extending wall 126 may be understood as an extending portion of the second side wall 122 extending from the second side wall 122 and bending in a direction parallel to the first side wall 121, and may refer to a direction opposite to the direction indicated by the Z arrow in fig. 1, and in some embodiments, the extending wall 126 may also bend in a direction indicated by the Z arrow in fig. 1, as long as the extending wall 126 can achieve a snap fit with the first side wall 121 after bending, which is not limited thereto. Further, the extending wall 126 extends outward from a portion of the edge of the second side wall 122, in other words, in the X direction of fig. 1, the length of the side edge of the extending wall 126 is smaller than that of the side edge of the second side wall 122, so that the forming difficulty of the extending wall 126 is simplified and the material cost is saved while the forming structure of the terminal body 1 is stable. Further, the extension wall 126 is attached to the first side wall 121 after bending, so as to increase the structural tightness after snap-fitting with the first side wall 121, and enhance the structural stability of the terminal.

In some embodiments, the first snap 1212 is a snap protrusion and the second snap 1262 is a snap groove or snap hole. Specifically, referring to fig. 4, a schematic cross-sectional view of the terminal body in the A-A direction, the first fastener 1212 is configured as a protrusion structure, the protrusion structure is offset toward the inside of the mounting portion 12 and cooperates with the second fastener 1262 to form a fastening structure, the protrusion structure may be a cylindrical structure or a block structure, and the second fastener 1262 is configured as a groove or an opening matching the first fastener 1212. It is understood that the structures of the first fastener 1212 and the second fastener 1262 may be interchanged, that is, the first fastener 1212 is a fastener groove or a fastener hole, and the second fastener 1262 is a fastener protrusion, so long as the fastener engagement between the first fastener 1212 and the second fastener 1262 can be achieved, which is not limited in this embodiment. Through the buckle spare structure that this embodiment provided, can prevent effectively that second lateral wall 122 of terminal body from leading to can't forming approximate right angle structure with first lateral wall 121 and second lateral wall 122 because of the material resilience, and then can promote the structural stability of terminal.

In some embodiments, the sides of the latch protrusion have an arc transition structure, referring to fig. 4, in a schematic cross-sectional view in the A-A direction, the first latch 1212 is a latch protrusion, and the sides of the latch protrusion have an inclination angle to form an arc transition structure, and the arc transition structure can provide a guide to enable the latch protrusion to be more smoothly matched with the latch groove or the latch hole during the process of inserting the latch protrusion into the latch groove or the latch hole. Further, the first fastener 1212 is configured to engage a height not exceeding the inner surface of the extension wall 126.

In some embodiments, referring to fig. 1, at least one first sidewall 121 has a stiffener 1214. It will be appreciated that the second, third and

fourth side walls

122, 123, 124 may also be provided with ribs 1214, the first, second, third and fourth not being limited to a particular order of side walls, the order of each side wall may be interchanged. In this embodiment, the reinforcing ribs 1214 are provided, so that the structural rigidity of the side wall can be improved, and the structural strength of the terminal can be further improved.

In some embodiments, the second side wall 122 extends toward the plugging portion 11 to form a stop 125, where the stop 125 forms a preset angle with the second side wall 122, and the preset angle is an obtuse angle, for example, the preset angle may be set to 120 ° -160 °; the stopper 125 can play a limiting role when the terminal is mated with the mating end. Further, referring to fig. 1 and 2, the stop 125 partially covers the transition piece 114 to achieve protection of the transition piece 114.

In some embodiments, referring to fig. 3, at least one third sidewall 123 has an outwardly protruding error-proofing structure 127, it is understood that the first sidewall 121, the second sidewall 122 and the fourth sidewall 124 may also be provided with the error-proofing structure 127, and the embodiment is not limited thereto. The error-proofing structure 127 is used for guiding the insertion direction of the terminal and the external housing, so that the terminal can be quickly assembled to the accurate position of the external housing, dislocation is prevented, and the processing efficiency of the connector is improved.

In some embodiments, as shown in fig. 1, the terminal body 1 further includes a crimping portion 13, the crimping portion 13 being for electrical connection with an electric wire, the crimping portion 13 and the mounting portion 12 being arranged in order in the X direction in fig. 1, the crimping portion 13 including a conductor clip 131 and an insulation clip 132, the conductor clip 131 and the insulation clip 132 being arranged in order in the X direction in fig. 1, and the conductor clip 131 being located between the mounting portion 12 and the insulation clip 132, the conductor clip 131 being for fixing and electrically connecting a conductor exposed portion of the electric wire (e.g., a conductor front end of the electric wire stripped of an insulation cover), the insulation clip 132 being for fixing a portion of the electric wire having an insulation layer (e.g., a rear side insulation portion of the electric wire wrapped with the insulation cover), fixing the electric wire is maintained, so that connection of the electric wire and the crimping portion is stable and reliable.

As can be seen, the terminal body 1 is used to electrically connect a mating end with an electrical wire.

For example, as shown in fig. 1, the conductor jointing clamp 131 and the insulating jointing clamp 132 are each formed with a mounting groove, which may be a U-shaped groove with an opening facing upward, and the conductor jointing clamp 131 and the insulating jointing clamp 132 are each used for pressing an electric wire onto the bottom wall of the mounting groove to ensure reliable connection of the terminal body 1 with the electric wire. The U-shaped grooves formed by the conductor clips 131 and the insulating clips 132 may have the same groove width or different groove depths, and are not limited herein.

An electrical connector according to an embodiment of the second aspect of the present utility model includes: the housing and the terminals are terminals according to the embodiment of the first aspect of the present utility model described above, and the terminals are mated with the housing.

According to the electric connector provided by the embodiment of the utility model, the terminal is adopted, so that the electric connector has good use reliability.

For example, the shell is a plastic part, a mounting hole is defined in the shell, a through hole is formed in the peripheral wall of the mounting hole, a movable clamping block is arranged at the through hole, a clamping groove is formed in the terminal, the terminal is inserted and matched in the mounting hole, the clamping groove is opposite to the through hole, and the clamping block is matched with the through hole at the moment so that the clamping block is in limit fit with the clamping groove along a first direction, so that the axial displacement of the terminal in the shell along the mounting hole is limited, the terminal is prevented from being separated from the shell, and stable fit between the terminal and the shell is ensured; if the terminal is required to be separated from the shell, the clamping block can be taken out from the through hole first, and the limitation on the terminal is released, so that the terminal is separated from the shell along the axial direction of the mounting hole, and the detachable matching of the terminal and the shell is realized.

A wire harness according to an embodiment of the present utility model, which includes the electrical connector and the electrical wire according to the above-described embodiments of the present utility model, is described below, the electrical wire being electrically connected to the terminal, and the opposite terminal and the electrical wire being electrically connected through the terminal.

For example, the mating terminal may be a female terminal, and the terminal provided in the embodiment of the present utility model is a male terminal.

According to the wire harness of the embodiment of the present utility model, the wire harness connection is stable and reliable by using the electrical connector 30 according to the above-described embodiment of the present utility model.

A vehicle according to an embodiment of the present utility model, which includes the wire harness according to the above-described embodiment of the present utility model, is described below.

According to the vehicle of the embodiment of the utility model, by using the wire harness according to the above embodiment of the utility model, the use safety of the vehicle and the adaptability to the environment can be improved.

Other constructions and operations according to embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail herein.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. A terminal, comprising: the integrated terminal comprises an integrated terminal body, wherein the terminal body is provided with a plug-in part, a mounting part and a wire pressing part which are sequentially connected;

2. The terminal of claim 1, wherein a side of the second side wall adjacent to the first side wall has an extension wall that is folded relative to the second side wall.

3. The terminal of claim 2, wherein the extension wall is bent toward a direction parallel to the first side wall, and wherein the extension wall is bonded to the first side wall.

4. A terminal according to any one of claims 2 to 3, wherein four side walls of the mounting portion enclose a receiving cavity, the extending wall being folded inwardly of the receiving cavity.

5. The terminal of claim 1, wherein the first snap member is a snap protrusion and the second snap member is a snap groove or a snap hole.

6. The terminal of claim 1, wherein the first snap member is a snap recess or a snap hole and the second snap member is a snap protrusion.

7. A terminal according to claim 5 or claim 6, wherein the sides of the snap projections have rounded transition formations for providing guidance when inserting the snap projections into the snap grooves or snap holes.

8. The terminal of claim 1, wherein at least one of the first side walls has a stiffener.

9. The terminal of claim 1, wherein the second side wall extends in a direction toward the mating portion by a stop member, the stop member being at a predetermined angle to the second side wall, the predetermined angle being an obtuse angle.

10. The terminal of claim 1, wherein at least one third sidewall has an outwardly projecting error proofing structure for guiding the insertion direction of the terminal and outer housing interaction.

11. An electrical connector comprising a terminal according to any one of claims 1-10.

12. A wire harness, characterized by comprising:

an electrical connector according to claim 11;

and a wire electrically connected to the terminal.

13. A vehicle comprising the wire harness according to claim 12.