CN211404812U

CN211404812U - Automobile connector terminal

Info

Publication number: CN211404812U
Application number: CN202020405080.XU
Authority: CN
Inventors: 王朝阳
Original assignee: Shenzhen City Fulunda Seiko Technology Co ltd
Current assignee: Shenzhen City Fulunda Seiko Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-09-01
Anticipated expiration: 2030-03-25

Abstract

The utility model belongs to the technical field of jointing equipment's technique and specifically relates to relate to automobile connector terminal, its technical essential is: the elastic piece is bent towards the inside of the inserting part, a gap exists between the inner walls of the inserting part and the elastic piece, a thrust spring is arranged, one end of the thrust spring is abutted to the elastic piece, and the other end of the thrust spring is abutted to the inner wall of the inserting part. The utility model discloses its advantage lies in even the condition of expend with heat and contract with cold appears, also can guarantee that laminating power between the two is enough.

Description

Automobile connector terminal

Technical Field

The utility model belongs to the technical field of jointing equipment's technique and specifically relates to an automobile connector terminal is related to.

Background

The connector comprises a plug-in shell and an internal terminal part, the plug and the socket are generally made of insulating materials, the internal terminal is fixed and protected, daily connection charging or disconnection are facilitated, the terminal part is a metal conductor, power or signals are transmitted, a conduction effect is achieved, and the connector is a carrier for really connecting and transmitting the power or the signals in the connector.

When the terminal is used, one end of the terminal is used for wiring, and the other end of the terminal is inserted into a slot arranged in the connector, so that the terminal is fixed with the connector. In automobile connection terminal, connecting terminal and connector make the cooperation required precision height between the slot, and in actual operation, the lug of connector and terminal can lead to both to connect easy unstability because of expend with heat and contract with cold for laminating power between the two reduces, can't realize the contact between the terminal accurately, so need improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automobile connector terminal, its advantage lies in even the condition of expend with heat and contract with cold appears, also can guarantee that laminating power between the two is enough to prior art exists not enough.

The above technical purpose of the present invention can be achieved by the following technical solutions: the automobile connector terminal comprises an insertion part and a wiring part, wherein the insertion part is tubular with two open ends, one open end of the insertion part is provided with the wiring part, the other open end of the insertion part is provided with an insertion port, the insertion port is provided with an elastic sheet, the elastic sheet is bent towards the inside of the insertion part from the insertion port, a gap exists between the elastic sheet and the inner wall of the insertion part, a thrust spring is arranged between one end of the thrust spring and the elastic sheet, and the other end of the thrust spring is abutted to the inner wall of the insertion part.

Through adopting above-mentioned technical scheme, shell fragment self has elasticity, and when this terminal grafting was used, the lug laminating on shell fragment and the connector, thrust spring provided thrust simultaneously, made the inseparabler of shell fragment and lug laminating, if the condition of expend with heat and contract with cold appears, thrust spring continues to provide thrust for keep the laminating state between shell fragment and the lug and guarantee that laminating power between the two is enough, thereby guarantee the normal clear of work.

The present invention may be further configured in a preferred embodiment as: a plurality of elastic pieces are uniformly arranged on the periphery of the insertion port, and the thrust springs are arranged between the elastic pieces and the inner wall of the insertion part.

Through adopting above-mentioned technical scheme, a week of interface all sets up the shell fragment, so, the shell fragment of a week all provides thrust to further improve laminating intensity.

The present invention may be further configured in a preferred embodiment as: the lateral wall of grafting portion is provided with the lug, be provided with in the lug and hold the chamber, hold the chamber intercommunication the inner wall of grafting portion, thrust spring's one end contradict in hold the chamber end in chamber, thrust spring's the other end with the shell fragment is inconsistent.

Through adopting above-mentioned technical scheme, the setting that holds the chamber has increased the interval between shell fragment and the grafting portion inner wall to can hold bigger thrust spring, thereby provide bigger thrust.

The present invention may be further configured in a preferred embodiment as: the spring plate is provided with a convex rib along the length direction.

Through adopting above-mentioned technical scheme, the structural strength of shell fragment has been strengthened in the setting of bead.

The present invention may be further configured in a preferred embodiment as: and the joint of the elastic sheet and the interface is processed by a fillet.

By adopting the technical scheme, the round angle at the joint of the elastic sheet and the inserting port is processed, so that the inserting is convenient, the stress concentration is prevented, and the service life of the elastic sheet is effectively prolonged.

The present invention may be further configured in a preferred embodiment as: the wiring part comprises a bottom plate, two opposite folding pieces used for wrapping and fixing the electric wire are arranged on two side edges of the bottom plate, and a fixing strip used for clamping the electric wire is arranged on the bottom plate.

Through adopting above-mentioned technical scheme, utilize two tabs to wrap up the electric wire fixedly, can wind the tip of electric wire around the root of fixed strip simultaneously, bend the fixed strip towards grafting portion again and can realize once fixing to the electric wire.

The present invention may be further configured in a preferred embodiment as: and a layer of lead-free tin layer is arranged on the inner sides of the two folding pieces.

Through adopting above-mentioned technical scheme, when using general tin, the operating personnel of frequent contact connecting terminal can have the potential safety hazard in the health, and the human body can have the injury, uses leadless tin layer effectively to guarantee operating personnel's health.

The present invention may be further configured in a preferred embodiment as: the surfaces of the inserting part and the wiring part are both provided with tin plating layers.

By adopting the technical scheme, the plating layer improves the reliability of the terminal when in use, ensures that the work can be normally carried out, and reduces the failure rate.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the elastic sheet has elasticity, when the terminal is used in an inserting mode, the elastic sheet is attached to the convex block on the connector, meanwhile, the thrust spring provides thrust, the elastic sheet is attached to the convex block more tightly, if expansion caused by heat and contraction caused by cold occur, the thrust spring continues to provide thrust, the elastic sheet and the convex block are enabled to be in an attaching state, and the attaching force between the elastic sheet and the convex block is enabled to be sufficient, so that normal operation is guaranteed;

2. the elastic sheets are arranged on the periphery of the inserting port, so that the elastic sheets on the periphery provide thrust, and the attaching strength is further improved;

3. the distance between the elastic sheet and the inner wall of the insertion part is increased due to the arrangement of the accommodating cavity, so that a larger thrust spring can be accommodated, and larger thrust is provided.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an insertion part with a partial section in an embodiment of the present invention.

Reference numerals: 1. a plug-in part; 11. an interface; 12. a spring plate; 13. a bump; 131. an accommodating chamber; 14. a thrust spring; 15. a rib; 2. a wiring portion; 21. a negative film; 22. folding a sheet; 23. a lead-free tin layer; 24. and (4) fixing the strip.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses an automobile connector terminal, including grafting portion 1 and wiring portion 2, fixed connection between grafting portion 1 and the wiring portion 2, grafting portion 1 and wiring portion 2 are made by metal material. Meanwhile, the surfaces of the plug part 1 and the wire connection part 2 are both provided with plating layers, the common tin plating is the most common, the tin is cheaper, but the texture of the tin is softer, the high contact force is needed for ensuring good contact, the plugging frequency is generally low, only a simple protective anti-corrosion effect can be achieved, the working temperature is low, the brass or bronze tin plating working temperature can reach 110 ℃, the steel tin plating can reach 190 ℃, the plugging frequency is high, the gold plating is generally needed, for higher working temperature, other plating layers are needed, for example, red copper nickel plating reaches 340 ℃, brass or bronze nickel plating reaches 250 ℃, therefore, in the embodiment, the metal material is preferably brass, the plating layer material is preferably tin, the plating layer improves the reliability when the terminal is used, ensures that the working can be normally carried out, and reduces the fault occurrence rate.

Referring to fig. 1, the inserting portion 1 is horizontally disposed, the inserting portion 1 is a tubular shape with two open ends, specifically, a section of square tube, and an opening at one end of the inserting portion 1 is a wiring portion 2. Wiring portion 2 includes the film 21 that the level set up, the cross-section of film 21 is the arc, the one end of film 21 and the bottom fixed connection of the opening part of grafting portion 1, the length direction of film 21 is parallel to each other in the length direction of grafting portion 1, the one end that grafting portion 1 was kept away from to film 21 is provided with two relative tabs 22 that are used for the fixed electric wire of parcel, two equal vertical settings of tabs 22, and two tabs 22 all are located the top of film 21, two tabs 22's inboard respectively is provided with one deck leadless tin layer 23 simultaneously, when using general tin, the operating personnel of frequent contact connecting terminal can have the potential safety hazard in the health, the human body can have the injury, use leadless tin layer 23 effectively to guarantee operating personnel's health. In addition, the bottom plate 21 is obliquely provided with a fixing strip 24 used for clamping the electric wire, the fixing strip 24 is close to the insertion part 1, one end of the fixing strip 24 is connected to the inner arc surface of the bottom plate 21, the other end of the fixing strip 24 is obliquely towards the folding piece 22, the fixing strip 24 is made of a metal material, when the electric wire needs to be fixed, the end part of the electric wire can be wound at the root part of the fixing strip 24, and then the fixing strip 24 is bent towards the insertion part 1 to fix the electric wire at one time.

Referring to fig. 1 and 2, an opening at one end of the connection portion 1, which is far away from the connection portion 2, is a socket 11, each side of the socket 11 is provided with an elastic sheet 12, the section of the elastic sheet 12 in the length direction of the elastic sheet 12 is arc-shaped, and the elastic sheet 12 has certain elasticity. One end of the elastic sheet 12 is fixedly connected to the side of the socket 11, the joint of the elastic sheet 12 and the socket 11 is rounded, the elastic sheet 12 is bent from the side of the socket 11 to the inside of the socket 1, the length direction of the elastic sheet 12 is parallel to the length direction of the socket 1, the free end of the elastic sheet 12 is close to the inner wall of the socket 1, and the middle position of the elastic sheet 12 is far away from the inner wall of the socket 1 than the free end of the elastic sheet 12. There is the gap between the inner wall of shell fragment 12 and grafting portion 1, every lateral wall of grafting portion 1 all is provided with lug 13, be provided with in the lug 13 and hold chamber 131, hold the inner wall of chamber 131 intercommunication grafting portion 1, it is provided with the thrust spring 14 that is used for promoting shell fragment 12 in the chamber 131 to hold, the one end of thrust spring 14 is contradicted in the chamber bottom that holds chamber 131, the other end of thrust spring 14 is inconsistent with the surface that shell fragment 12 is close to grafting portion 1 inner wall, and the position of thrust spring 14 and shell fragment 12 contact is close to the middle part position of shell fragment 12.

Referring to fig. 2, in addition, the surface of the elastic sheet 12 away from the inserting part 1 is provided with a plurality of ribs 15, the ribs 15 are arranged along the length direction of the elastic sheet 12, in this embodiment, the number of the ribs 15 on each elastic sheet 12 is three, the three ribs 15 are uniformly arranged at intervals, and the arrangement of the ribs 15 enhances the structural strength of the elastic sheet 12.

The implementation principle of the embodiment is as follows: the shell fragment 12 itself has elasticity, and when this terminal grafting was used, four shell fragments 12 laminated with lug 13 on the connector simultaneously, and thrust spring 14 provides thrust simultaneously, and what make shell fragment 12 and lug 13 laminating is inseparabler, if the condition of expend with heat and contract with cold appears, thrust spring 14 continues to provide thrust for keep the laminating state and guarantee that the laminating power between the two is enough between shell fragment 12 and the lug 13.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. Automobile connector terminal, its characterized in that: the connecting device comprises a connecting part (1) and a wiring part (2), wherein the connecting part (1) is tubular with two open ends, one open end of the connecting part (1) is provided with a wiring part (2), the other open end of the connecting part (1) is provided with an interface (11), the interface (11) is provided with an elastic sheet (12), the elastic sheet (12) is bent from the interface (11) to the inside of the connecting part (1), a gap exists between the elastic sheet (12) and the inner wall of the connecting part (1) and is provided with a thrust spring (14), one end of the thrust spring (14) is abutted to the elastic sheet (12), and the other end of the thrust spring (14) is abutted to the inner wall of the connecting part (1).

2. The automotive connector terminal according to claim 1, characterized in that: a plurality of elastic sheets (12) are uniformly arranged on the periphery of the insertion port (11), and the thrust springs (14) are arranged between the elastic sheets (12) and the inner wall of the insertion part (1).

3. The automotive connector terminal according to claim 1, characterized in that: the lateral wall of grafting portion (1) is provided with lug (13), be provided with in lug (13) and hold chamber (131), hold chamber (131) intercommunication the inner wall of grafting portion (1), the one end of thrust spring (14) contradict in hold the chamber bottom in chamber (131), the other end of thrust spring (14) with shell fragment (12) are contradicted.

4. The automotive connector terminal according to claim 1, characterized in that: the spring plate (12) is provided with a convex rib (15) along the length direction.

5. The automotive connector terminal according to claim 1, characterized in that: the joint of the elastic sheet (12) and the interface (11) is processed by a round angle.

6. The automotive connector terminal according to claim 1, characterized in that: the wiring part (2) comprises a bottom plate (21), two opposite folding pieces (22) used for wrapping and fixing the electric wire are arranged on two side edges of the bottom plate (21), and a fixing strip (24) used for clamping the electric wire is arranged on the bottom plate (21).

7. The automotive connector terminal according to claim 6, characterized in that: a layer of lead-free tin layer (23) is arranged on the inner sides of the two folding pieces (22).

8. The automotive connector terminal according to claim 1, characterized in that: the surfaces of the inserting part (1) and the wiring part (2) are both provided with tin plating layers.