CN212011353U - Switching terminal - Google Patents

Abstract

The utility model provides a switching terminal, switching terminal is rolled up by monolithic conducting plate and is formed which characterized in that: including setting up in terminal stopping portion and sinle silk crimping portion at both ends, be provided with the cooperation in the terminal stopping portion and pair the stopping mechanism that the terminal was fixed to be stopped, sinle silk crimping portion is formed with the crimping groove that supplies the sinle silk wiring end to hold to establish and the crimping, the both sides in crimping groove are provided with the crimping wing. In the utility model, when the wire connected with the switching terminal by compression is connected with the mating terminal, the wire is directly spliced through the switching terminal, thus solving the problems of low assembly connection efficiency and low assembly yield of the high-density terminal and the wire in the connector; furthermore, the utility model discloses to pair the connection structure of terminal and wire and transfer to outside the casing of moulding plastics from the casing of moulding plastics in, ensure like this that at the in-process of moulding plastics, pair the terminal and be the rigid part, easily control the inherent change in putting into the injection mold die cavity with it to guarantee airtight, the watertight performance of ideal.

Description

Switching terminal

Technical Field

The utility model relates to a connector technical field, in particular to switching terminal.

Background

The connector is an important component in an electrical system and mainly comprises a wiring harness, a terminal, an insulator and a shell, and the stable contact of the terminal is a foundation for ensuring the stable work of the whole electrical system. In actual manufacturing, the terminal and the wire are directly connected by welding or crimping.

When the terminal and the wire are connected by welding, gas harmful to human bodies can be generated in the welding process, the health of operators is not facilitated, and the problems of adverse electrical performance such as tin tips and insufficient solder generated in the welding process are solved. In addition, when the terminals distributed on the connector at high density are connected with the wires by welding, the space is too small, and the welding is difficult.

In order to solve the problems existing in welding, the prior art provides a way in which a wire and a terminal are connected by crimping. However, no matter the terminal and the wire are connected by welding or crimping, the internal structure of the connector is protected by an injection molding shell finally, because the terminal is a rigid part and the wire is a flexible part, the terminal is directly placed in an injection mold cavity and internal change is difficult to control, and poor injection molding is easy to cause that ideal airtight and watertight performance cannot be achieved.

In addition, how to assemble and connect the terminal and the wire that the connector high density was arranged with high efficiency has always been a difficult problem in the industry, because space factor adopts welding or crimping mode nonideal, has influenced whole production efficiency of product and yield.

Therefore, it is necessary to design a switching terminal to solve the above problems, such as the prior art, which has unsatisfactory airtight and watertight performance, low connection efficiency between the terminals and the wires arranged in high density in the connector, and low yield.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model aims to provide a switching terminal.

In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a switching terminal, switching terminal is rolled up by monolithic conducting plate and is formed which characterized in that: including terminal stopping portion and sinle silk crimping portion that is located both ends, be provided with the cooperation in the terminal stopping portion and pair the stopping mechanism that the terminal was fixed to be stopped, sinle silk crimping portion is formed with the crimping groove that supplies the sinle silk wiring end to hold to establish and the crimping, the both sides in crimping groove are provided with the crimping wing.

The preferable technical scheme is as follows: still include the electric connection portion, the electric connection portion is located backstop portion with between the sinle silk crimping portion, be provided with on the electric connection portion and prevent mate terminal grafting skew's elastic mechanism.

The preferable technical scheme is as follows: the elastic mechanism adopts a crown spring structure, and the retaining mechanism adopts a retaining elastic sheet.

The preferable technical scheme is as follows: the backstop elastic sheet is provided with at least two corresponding pieces.

The preferable technical scheme is as follows: the pair terminal is a solid terminal and comprises a plug end and a switching end, a backstop structure for injection molding and backstopping is arranged between the plug end and the switching end, a guide mechanism is arranged on the switching end and matched with the backstop structure for backstopping, and a guide angle is arranged at the end part of the switching end.

The preferable technical scheme is as follows: the pairing terminal is an I-shaped PIN PIN or an L-shaped PIN PIN.

The preferable technical scheme is as follows: the inserting end is a square PIN column or a round PIN column.

Because of the application of the technical scheme, the utility model discloses the beneficial effect who has does:

the utility model provides a pair of switching terminal will pair the connection structure of terminal and wire and transfer to outside the casing of moulding plastics from the casing of moulding plastics in, ensure like this that at the in-process of moulding plastics, pair the terminal and be the rigid part, easily control the inherent change in putting into the injection mold die cavity with it to guarantee airtight, the watertight performance of ideal. And moreover, when the wire connected with the adapter terminal in a compression joint manner is connected with the matched terminal, the wire is directly inserted through the adapter terminal, so that the problems of low assembly connection efficiency and low assembly yield of the high-density terminal and the wire in the connector are solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the present invention.

Fig. 3 is a schematic view of the structure of the mating terminal of the present invention.

Fig. 4 is the utility model provides a terminal structure sketch map is mated to L type.

Fig. 5 is the utility model provides a terminal schematic diagram is mated to square PIN post structure.

In the above drawings, 1, a terminal retaining portion; 2. an electrical connection portion; 3. a wire core crimping part; 4. a backstop elastic sheet; 5. a crown spring structure; 6. a crimping groove; 7. crimping wings; 8. a wire; 9. a mating terminal; 10. injection molding the housing; 11. a plug end; 12. a transfer end; 13. a backstop structure; 14. a guide mechanism.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1-5. It should be understood that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present invention provides a transfer terminal. The adapter terminal is formed by rolling a single conductive plate (conductive copper alloy), and comprises a terminal retaining part 1, an electric connection part 2 and a wire core crimping part 3 which are sequentially arranged. At least two corresponding backstop elastic sheets 4 are arranged on the terminal backstop part 1 to prevent the terminal from loosening and being connected with the matched terminal 9. The electrical connection portion 2 adopts the crown spring structure 5, and the structure can prevent the contact effect from being deteriorated due to the deviation of the mating terminal 9 in the adapter terminal. The core crimping portion 3 includes a crimping groove 6 formed by crimping and crimping wings 7 provided on both sides of the crimping groove 6.

As shown in fig. 3, the present invention provides a mating terminal. The mating terminal 9 comprises a plug end 11 and a switching end 12, and a guiding mechanism is arranged on the switching end 12. The guiding mechanism cooperates the stopping (specifically is the lower extreme counterbalance stopping position of the upper end of back taper structure and stopping shell fragment) to guiding mechanism has also increased the area of contact with the switching terminal. To facilitate the insertion of the transition end 12 into the transition terminal, a lead angle (chamfer) is provided at the end of the transition end 12.

Furthermore, a retaining structure 13 for injection molding retaining is arranged between the plug end 11 and the adapting end 12.

It should be noted that the utility model provides a switching terminal can be suitable for multiple type to mate terminal 9, including I type PIN needle (as shown in fig. three), L type PIN needle (as shown in fig. 4), and grafting end 11 adopts circular PIN post (as shown in fig. 3) or square PIN post (as shown in fig. 5). The structure of the mating terminal insertion end is only required to be changed for different connectors.

Specific assembly process (as shown in fig. 2):

first, an injection molding process is performed on the mating terminal 9, resulting in the injection molded housing 10.

Then, the wire 8 is cut and the outer sheath is peeled off, and the wire 8 and the core crimping portion 3 of the relay terminal are crimped and fixed.

And finally, inserting and fixing the switching terminal connected with the lead 8 in a compression joint manner with the switching end of the mating terminal 9, wherein the step needs to ensure that the backstop elastic sheet 4 is successfully backstopped.

Therefore, the utility model has the advantages of it is following:

the utility model discloses a change and connect the terminal and shift the connection structure of wire and terminal to the connector outside, design into solid terminal with the terminal again like this, through the mode of moulding plastics shaping, improved airtight, the watertight performance of connector greatly. And when the problem that the assembly efficiency is low and the assembly yield is low exists when the terminals arranged in the connector at high density are connected with the wires, the switching terminals are used for connecting the wires and the terminals, so that the assembly efficiency is improved, the product yield is high, the structure is simple, the beneficial effect is obvious, and the connector is suitable for popularization.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (7)

1. The utility model provides a switching terminal, switching terminal is rolled up by monolithic conducting plate and is formed which characterized in that: including terminal stopping portion and sinle silk crimping portion that is located both ends, be provided with the cooperation in the terminal stopping portion and pair the stopping mechanism that the terminal was fixed to be stopped, sinle silk crimping portion is formed with the crimping groove that supplies the sinle silk wiring end to hold to establish and the crimping, the both sides in crimping groove are provided with the crimping wing.

2. The transition terminal according to claim 1, wherein: still include the electric connection portion, the electric connection portion is located backstop portion with between the sinle silk crimping portion, be provided with on the electric connection portion and prevent mate terminal grafting skew's elastic mechanism.

3. The transition terminal according to claim 2, wherein: the elastic mechanism adopts a crown spring structure, and the retaining mechanism adopts a retaining elastic sheet.

4. The transition terminal according to claim 3, wherein: the backstop elastic sheet is provided with at least two corresponding pieces.

5. The transition terminal according to claim 1, wherein: the pair terminal is a solid terminal and comprises a plug end and a switching end, a backstop structure for injection molding and backstopping is arranged between the plug end and the switching end, a guide mechanism is arranged on the switching end and matched with the backstop structure for backstopping, and a guide angle is arranged at the end part of the switching end.

6. The transition terminal according to claim 1, wherein: the pairing terminal is an I-shaped PIN PIN or an L-shaped PIN PIN.

7. The transition terminal according to claim 5, wherein: the inserting end is a square PIN column or a round PIN column.

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