JPH04123084U - connector structure - Google Patents

Abstract

(57) [Summary] [Purpose] Sufficient contact force can be obtained even with narrow pitch miniaturization without using a particularly strong conductive spring material, and a simple shape is sufficient, making it easier to perform plating. Moreover, it is an object of the present invention to provide a connector structure that can change the contact force. [Structure] A terminal member 20 is divided into a contact portion 8 that contacts a terminal of a mating connector and a backup spring portion 12 that applies contact force to the contact portion 8.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

The present invention relates to a connector structure having narrow pitch terminals.

0002

[Conventional technology]

As a recent technical trend in connector structure, narrow pitch miniaturization is rapidly progressing. . As shown in FIG. 5, a conventional connector structure of this type has a housing 30 with a A large number of holes are arranged at predetermined narrow pitch intervals in the longitudinal direction on both side walls of the hand connector fitting part 31. Terminal mounting grooves 32 are formed and terminal members 33 are mounted in these terminal mounting grooves 32. There is. The contact portions 34 of these terminal members 33 have spring properties. When a mating connector (not shown) is fitted to the mating connector fitting part 31, this happens. The contact part (not shown) of the mating connector contacts the contact part 34 and continuity is established. In this case, these contact portions 34 themselves have a spring property. Contact the mating contact part.

0003

[Problem that the idea aims to solve]

However, with the above configuration, as the pitch becomes smaller and the pitch becomes smaller, the contact The contact portion 34 cannot have sufficient dimensions, and the contact force is insufficient due to insufficient spring force, that is, insufficient contact force. This results in a decrease in the contact reliability of the connector. We also use high-grade to obtain contact force. It requires the use of conductive spring material and expensive plating on the contact portion 34, resulting in cost reduction. There were also problems from the perspective of

0004 The present invention solves the above problems and is particularly strong even with narrow pitch miniaturization. Sufficient contact force can be obtained without using a conductive spring material, and a simple A connector that has a good shape, is easier to plate, and can change the contact force. The purpose is to provide a vector structure.

[0005]

[Means to solve the problem] In order to achieve the above object, the present invention attaches a terminal member to a terminal of a mating connector. The contact part that makes contact and the backup part that applies contact force to this contact part. The spring part is divided into two parts, and the longitudinal direction of this is attached to both side walls of the mating connector mating part of the housing. A large number of terminal mounting grooves are formed at predetermined pitch intervals on the mating connector. A spring mounting part is formed in the mating part in the longitudinal direction of the spring part, and a contact is inserted into the terminal mounting groove. It is characterized in that the spring part is attached to the spring part mounting part.

[0006]

[Effect]

This configuration provides exceptional strength even as the pitch becomes narrower and the terminals become thinner and smaller. Sufficient contact force can be obtained without using conductive spring material, and the spring part Since electrical conductivity is not required for the Not only is this possible, but strong spring materials other than copper can be used, making it easier to downsize and narrow the pitch. becomes easier. In addition, the contact part does not require spring properties and high contact force can be obtained. The shape is simple, the plating process is easy, and the spring part can be replaced. The contact force can be changed by

[0007]

【Example】

Hereinafter, the present invention will be explained based on the drawings. Figure 1 shows the connector structure related to this invention. FIG. 2 is a sectional view of the same. 1 in the drawing is a housing, and this housing The plug 1 is a cube with a planar rectangular shape, and a rectangular mating connector is fitted on the front part of the cube. A mating part 2 is formed on both side walls of the mating connector mating part 2. A large number of terminal mounting grooves 3 are formed at a pitch interval of 3 communicates with the terminal hole 5 provided in the bottom part 4 of the mating connector fitting part 2, and these ends The pitch of the child mounting grooves 3 is an extremely small pitch. In addition, inside the mating connector fitting part 2, A spring mounting portion 6 is formed in the longitudinal direction of this, and the right end surface of the housing 1 is provided with a spring mounting portion 6. A U-shaped spring part insertion hole 7 is formed, and this spring part insertion hole 7 is used for mounting the spring part. It is familiar to part 6.

[0008] The terminal member 20 is divided into a contact portion 8 and a spring portion 12. and, The contact part 8 is equipped with a linear terminal body 9, and the tip side of this terminal body 9 has a A contact portion 10 is bent into an inverted U shape, and a leg portion 11 is formed at the other end. Ru. The terminal body 9 is aligned with the terminal mounting groove 3, and the contact portion 10 is connected to the mating connector. The leg portion 11 is led out from the terminal hole 5. . In addition, the spring portion 12 is made of polyimide on the inner surface of a strip-shaped spring material 13 made of phosphor bronze material or the like. Two parallel insulating layers 14 are formed by coating an insulating material such as The spring material 12 is curved to have a U-shaped cross section, and the insulating layer 14 is located on the inside upper part. It is configured. This spring portion 12 is inserted through the spring portion insertion hole 7 of the housing 1. The insulating layer 14 of the spring part 12 is inserted into the spring part mounting part 6, and the insulating layer 14 of the spring part 12 is inserted into the contact part 8. It is in contact with the ends of the contact parts 10 from the back, and the back-up of these contact parts 8 is It serves as a pull-up member.

[0009] Therefore, a mating connector (not shown) is attached to the connector structure configured as above. ), the mating connector is fitted into the mating connector fitting portion 2. child In this case, the contact part (not shown) of the mating connector is the contact part 1 of the contact part 8. 0 and continuity is established.

0010 In the above embodiment, the terminal member 20 is connected to a connector that contacts a terminal of a mating connector. Contact portion 8 and a backup spring portion that applies contact force to the contact portion 8 Because it is divided into 12 parts, even if the pitch is narrow and the terminals are thin and small, the Sufficient contact force can be obtained without using strong conductive spring material. Since the threaded part 12 does not need to be conductive, it is recommended to use an inexpensive iron-based material that has been insulated. In addition to being able to use strong spring materials other than copper, it is possible to downsize and narrow the pitch. This makes it easier to change into a chain. In addition, the contact portion 8 does not require spring properties and a high contact force is required. Since it can be obtained, a simple shape is required, the plating process is easier, and the spring part can be replaced. The contact force can be changed by

[0011] In addition, in the above embodiment, the spring portion 12 is made of a strip-shaped spring material 1 such as a phosphor bronze material. 3 is coated with an insulating layer 14 made of an insulating material such as polyimide. Two parallel strips are formed, and the insulating layer 14 is formed by curving the spring material 12 into a U-shaped cross section. Although the spring part 12 is located at the upper part of the inside, the spring part 12 is made of synthetic resin and is made of synthetic resin. A fat spring is also fine.

0012

[Effect of the idea]

As explained above, the present invention allows the terminal member to contact the terminal of the mating connector. A contact part and a backup spring part that applies contact force to this contact part. Divide it into two sections, and place it on both sides of the mating part of the housing in the specified longitudinal direction. A large number of terminal mounting grooves are formed at pitch intervals, and the inside of the mating part of the mating connector is Form a spring attachment part in the longitudinal direction of this, and attach a contact part to the terminal attachment groove. At the same time, since the spring part is attached to the spring part mounting part, the terminals can be thin with a narrow pitch. Even when the size is small, sufficient contact force can be achieved without using particularly strong conductive spring material. In addition, since the spring part does not require electrical conductivity, it is possible to insulate inexpensive iron-based materials. Not only can treated spring materials be used, but strong spring materials other than copper can be used. This makes it easier to downsize and narrow the pitch. Also, the contact part must have spring properties. Because high contact force can be obtained instead of a large contact force, a simple shape is sufficient and plating is easier. , the contact force can be changed by replacing the spring part.

[Brief explanation of drawings]

FIG. 1 is a perspective view of a connector structure according to the present invention.

FIG. 2 is a sectional view of the same.

FIG. 3 is a plan view of a portion of the spring portion in an expanded state.

FIG. 4 is a sectional view of the same.

FIG. 5 is a cross-sectional view of a conventional connector structure.

[Explanation of symbols]

8 Contact part 12 Spring part 20 Terminal member

Claims (2)

[Scope of utility model registration request] Claim 1: A terminal member is divided into a contact part that contacts a terminal of a mating connector and a backup spring part that applies contact force to this contact part, and these are attached to both side walls of a mating connector fitting part of a housing. A large number of terminal mounting grooves are formed at predetermined pitch intervals in the longitudinal direction of the
A connector structure characterized in that a spring part mounting part is formed in the mating connector fitting part in the longitudinal direction thereof, a contact part is mounted in the terminal mounting groove, and a spring part is mounted in the spring part mounting part. 2. The connector structure according to claim 1, wherein one spring section applies contact force to a plurality of contact sections.