JPH0592978U - High-speed transmission connector - Google Patents

Abstract

(57) [Summary] [Object] To provide a connector for high-speed transmission, which has a simple structure and can be manufactured at low cost. A plug 1 having a plurality of terminals 11 which are in contact with the respective terminals on the outside of a socket having a plurality of terminals
It is a high-speed transmission connector in which 0 is fitted and a shield portion 13 is provided on the outer periphery of the plug 10. The plug 10 is formed of plastic, and the terminals 11 and the shield part 1 are formed by plating the surface of the plastic.
And 3 are formed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to the structure of a high-speed transmission connector.

[0002]

[Prior Art]

 Generally, a high-speed transmission connector in which a plug having a plurality of terminals that make contact with each terminal is fitted on the outside of a socket having a plurality of terminals and a shield part made of a shield plate is provided on the outer circumference of the plug is Are known.

In this type of high-speed transmission connector, for example, a plurality of contacts are arranged in a plurality of rows and a plurality of columns inside a plug, and any one of the contacts is used as a signal transmission circuit terminal. At the same time, the remaining contacts are used as shield terminals, and even if a shield plate is provided on the outer circumference of the housing, a sufficient shielding effect is secured and good impedance characteristics are obtained.

[0004]

[Problems to be solved by the device]

 However, in the conventional configuration, multiple contacts are arranged inside the plug, and a shield plate is provided around the contacts, which increases the number of parts, resulting in an increase in the number of work steps and an increase in cost. There is a problem.

Therefore, an object of the present invention is to provide a high-speed transmission connector that solves the above-mentioned problems of the conventional technique and can be manufactured with a simple structure and at low cost.

[0006]

[Problems to be solved by the device]

 In order to achieve the above-mentioned object, the present invention provides a high-speed socket having a plurality of terminals, fitted with a plug having a plurality of terminals in contact with each terminal, and a shield portion provided on the outer periphery of the plug. The transmission connector is characterized in that a plug is molded from a plastic resin, and the surface of the plastic resin is plated to form each terminal and a shield portion on the plug.

[0007]

[Action]

 According to the present invention, the plug is molded from plastic and the surface of the plastic is plated to form the terminals and the shield portion on the plug. Therefore, when manufacturing the plug, the contact and the shield plate are not required, and the manufacturing is simpler than the conventional one. When any of the terminals formed by plating is used as a signal transmission circuit terminal, the remaining terminals around it are used as shield terminals in the same manner as before.

[0008]

【Example】

 An embodiment of the high speed transmission connector according to the present invention will be described below with reference to FIGS.

FIG. 1 shows an assembled state of a high-speed transmission connector, FIGS. 5 to 8 show a socket having a plurality of terminals that come into contact with a pattern (FIG. 9) of a board, and FIGS. Indicates a plug fitted to the outside of the socket, the plug having a plurality of terminals respectively contacting each terminal of the socket.

First, the socket according to this embodiment will be described. As shown in FIGS. 5 to 8, the socket 1 has a socket body 1a made of, for example, PPC resin. Twenty contacts 3 _{1 to} 3 ₂₀ made of phosphor bronze or the like are attached at equal intervals and in an equal arrangement.

As is apparent from FIG. 8, each of the contacts 3 _{1 to} 3 ₂₀ is integrally provided with a spring terminal portion 3 a having a spring property in the middle of the inverted L-shaped member and one of the inverted L-shaped members. The base portion 3b is embedded in the hole of the socket body 1a, and the other terminal portion 3c is exposed on the lower surface of the socket body 1a. Terminal portion 3c exposed in the lower surface, for example, are soldered to the pattern 5 ₁ to 5 ₂₀ on the substrate as shown in FIG.

As is apparent from FIG. 1, the outer side of the socket 1 having such a structure has a plurality of terminals that come into contact with the spring terminal portions 3 a of the terminals 3 _{1 to} 3 ₂₀ described above. A plug 10 (FIGS. 2 to 4) is fitted, and a shield portion that enhances the shield effect is provided on the outer periphery of the plug 10.

Therefore, according to this embodiment, the configuration of the terminals 11 _{1 to} 11 ₂₀ and the shield portion 13 provided on the plug 10 is characterized.

That is, the plug 10 is formed of a plastic such as PPC resin in a box shape, and the terminals 11 _{1 to} 11 ₂₀ and the shield portion 13 are plated with gold on the inner surface, the outer surface, the bottom surface, etc. of the plug 10. Is formed by.

When gold-plating the plug 10, as shown in FIG. 10, as an example, a resin containing catalyst (resin which can be plated) is used, and the portion 21a to be gold-plated is higher than the other portions 21b. The member 21 is molded by injection molding, and as shown in FIG. 11, members 23, 23, ... 23 made of resin without catalyst (resin that cannot be plated) are laid on top of each other, and the members are bonded together. For example, a method of applying a gold plating to the plateable portion 21a facing the surface can be adopted.

2 to 4, the plug 10 is shown in plan view, FIG. 3 is a side view, and FIG. 4 is a rear view.

The plug 10 has become a box-shaped, in FIG. 2, the bottom surface of the recess, along with gold-plated K ₁ of a predetermined width W ₁ is performed, in the width direction continuously to the gold K ₁ Gold plating K ₂ having a predetermined width W ₂ extending is applied. The gold plating K _2, as shown in FIG. 3, a gold plating K ₃ of the inner wall surface of the concave portion (plating width also W ₂₎ leads to, the gold main Tsu key K _3, as shown in FIG. 2, the plug 10 It is connected to the gold plating K ₄ (the plating width is also W ₂ ) on the end face of the.

Further, as shown in FIG. 3, the gold plating K ₄ extends to the side surface of the plug 10 having a predetermined width W ₂ , and is connected to the gold plating K ₅ having a predetermined width W ₃ extending in the circumferential direction. It The gold K _5, gold plating K ₆ (plated width W ₂₎ ties, the gold plating K _6, as shown in FIG. 4, the predetermined width W ₂ Nomama, extend out the back of the plug 10 , Where it is connected to a gold mesh K ₇ having a predetermined width (here, the same as the width W ₁ ) extending in the circumferential direction.

Further, as shown in FIG. 2, the end surface of the plug 10 is provided with 10 gold platings K ₈ , and each gold plating K ₈ is gold plating K _{9 on} the inner wall surface of the recess as shown in FIG. (Plating width is W ₂ ) The gold plating K ₉ reaches the bottom surface of the recess at its end and is connected to the gold plating K ₁₀ around the plating hole 10a opening in the bottom wall of the plug 10. The gold plating K ₁₀ is, as shown in FIG. , To the gold plating K ₁₁ (the plating width is W ₂ ) on the back surface of the plug 10, and further to the gold plating K ₁₂ on the side surface of the plug 10 as shown in FIG.

In order to assemble this high-speed transmission connector, first, the pattern 5 (FIG. 9) of the board is soldered to the terminal portion 3c of the contact 3 of the socket 1 and, as shown in FIG. The plug 10 is fitted to the above, and a pattern of a substrate (not shown) or a lead wire is soldered to each of the terminals 11 _{1 to} 11 ₂₀ of the plug 10. The terminals 11 _{1 to} 11 ₂₀ of the plug 10 are respectively brought into contact with the spring terminal portions 3 a having the spring property of the contacts 3 _{1 to} 3 ₂₀ of the socket 1, so that a sufficient connection state is secured.

According to this embodiment, however, ten gold platings K ₈ and K ₁₁ out of a series of gold platings are connected to the signal transmission circuit terminals 11 _{2 to} 11 ₂₀ (the numbers attached to the lower right are even numbers). ), The ten gold platings K ₄ arranged in a scattered manner can be used as the shield terminals 11 _{1 to} 11 ₁₉ (the numbers attached to the lower right are odd numbers), and the gold platings K ₁ , K ₅ , Since K ₇ serves as the shield portion 13, a sufficient shield effect is secured and a good impedance characteristic is obtained.

Further, according to this, since it suffices to apply the gold plating K _{1 to} K ₁₁ to the plastic surface of the plug 10, the contact and the shield plate as in the prior art are not required, and the manufacturing cost is greatly reduced. It is possible to obtain such effects.

Although the present invention has been described with reference to an embodiment, it is obvious that the present invention is not limited to this.

In particular, in this embodiment, only the plug terminals are plated, but the socket terminals may also be plated without using contacts, and the plating method itself is not limited to the method described above. It is clear that any known method can be used and that plating is not limited to gold.

[0025]

[Effect of the device]

 As is clear from the above description, according to the present invention, the plug is molded of plastic, and each terminal of the plug and the shield part are formed by plating the plastic surface. No contacts or shield plates are required, and the manufacturing cost can be greatly reduced.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of a high speed transmission connector according to the present invention.

FIG. 2 is a plan view of a plug.

FIG. 3 is likewise a side view of the plug.

FIG. 4 is likewise a rear view of the plug.

FIG. 5 is a plan view of the socket.

FIG. 6 is likewise a side view of the socket.

FIG. 7 is likewise a rear view of the socket.

FIG. 8 is likewise a sectional view of the socket.

FIG. 9 is a plan view showing an example of a pattern of a substrate.

FIG. 10 is a diagram showing an example of a plating method.

FIG. 11 is a diagram similarly showing an example of a plating method.

[Explanation of symbols]

1 Socket 3 Contact 10 Plug 11 Terminal 13 Shield K ₁ ~ K ₁₂ plating

Claims (1)

[Scope of utility model registration request] 1. An outer side of a socket having a plurality of terminals,
In a high-speed transmission connector in which a plug having a plurality of terminals that are in contact with each terminal is fitted and a shield is provided on the outer periphery of the plug, the plug is molded with plastic resin, and the surface of the plastic resin is plated. A connector for high-speed transmission, characterized in that each terminal and the shield portion are formed on the plug by applying.