TW201427186A - Double-contact terminal and card edge connector with the terminal - Google Patents

Abstract

A double-contact terminal and a card edge connector with the terminal are disclosed. The terminal includes a terminal body, a first contacting end, a second contacting end, and a welding end. The terminal body has a first root, a second root correspondingly disposed on the first root, a connecting portion which is curvingly connected between one side of the first root and that of the second root. The first contacting end is extended from a front end of the first root to form a first contacting portion and the second contacting end is extended from a front end of the second root to form a second contacting portion. The first and second contacting ends are forwardly extended along the same straight line and the first contacting portion is relatively located in front of the second contacting portion from spacing.

Description

Double contact terminal and card edge connector having the same

The present invention relates to an electrical connector, and more particularly to a dual contact terminal and a card edge connector having the same.

According to the connector, it is widely used in various 3C products with light, thin, short, and small characteristics. For example, it is applied to a card edge connector such as a memory card module, and it is also inevitably required to be reduced in size. the design of.

However, when the card edge connector is reduced in size by its insulating base, the spacing between the terminals will become smaller and smaller, and the accuracy of contact with the module card is more demanding. When each terminal has only a single contact portion, some or a small number of terminals may not be normally contacted after the module card is inserted due to manufacturing errors, so that there is a problem such as poor conduction.

In addition, in order to solve the above problems, two contact points are usually formed on the contact portion of the same terminal to prevent a single contact point from failing to contact normally, and the other contact point can increase the contact chance and prevent the normal contact from occurring. . However, in the past, the terminal design of such a multi-contact point still provided a single cantilever end on the same terminal, and a plurality of contact points were formed on the cantilever end; thus, if the cantilever end is not provided on the same cantilever end When the correct position is in contact with the module card, it is often difficult to contact the module card regardless of how many contact points are placed, and thus the above problem cannot be effectively solved.

In view of the above, the present inventors have made an effort to improve and solve the above-mentioned shortcomings, and have devoted themselves to research and cooperate with the application of the theory, and finally proposed a present invention which is reasonable in design and effective in improving the above-mentioned defects.

The main object of the present invention is to provide a two-contact type terminal and a card edge connector having the same, which are formed by two independent contact ends, so that they do not mutually touch each other when pressed by an external force. The interference can also ensure the stability of the contact with the module card, so as to achieve the conduction between the terminal and the module card for electrical signal.

In order to achieve the above object, the present invention provides a dual contact terminal comprising a terminal body, a first contact end, a second contact end, and a soldering end; the terminal system is folded and includes a first root portion a second portion opposite to the first root portion and a connecting portion integrally connected to the first and second portions in a curved shape; the first contact end is extended from the front end of the first root portion, and is first A first contact portion is formed on the contact end; the second contact end is extended from the front end of the second root portion, and a second contact portion is formed on the second contact end; the solder end is behind the terminal body The end extends; wherein the first and second contact ends extend forward on the same straight line, and the first contact portion is located at a position spaced apart from the front of the second contact portion.

In order to achieve the above object, the present invention provides a card edge connector having a double contact terminal, comprising an insulating base and a plurality of the terminals disposed in the insulating base, and the insulating base is provided with a plug. The bayonet has a plurality of terminal slots at the inner edge of the card slot, so that the terminals are respectively disposed in the respective terminal slots.

The detailed description of the present invention and the accompanying drawings are to be understood by the accompanying claims .

Please refer to the first, second and third figures, which are respectively an exploded perspective view of the card edge connector of the present invention, a schematic perspective view of the terminal, and a plan top view of the terminal. The present invention provides a dual-contact terminal and a card edge connector having the same. The card edge connector mainly includes an insulating base 1 and a plurality of terminals 2 disposed in the insulating base 1; As seen from the fourth figure, a plurality of terminal slots 10 are provided in the insulating base 1 for the respective terminals 2 to be inserted, and thus can be assembled in the insulating base 1. In addition, the insulating base 1 is formed as a horizontally long strip and extends laterally on the insulating base 1 to provide a card insertion opening 11 for inserting a module card 3 such as an electronic card or a circuit board. The inside of the insulating base 1 (that is, as shown in FIG. 5) further enables the module card 3 to make electrical contact with the terminal 2 provided in the insulating base 1.

Referring to FIG. 2 and FIG. 3 together, each of the terminals 2 has a terminal body 20 which is folded and folded by a sheet shape, and has a first branch extending from the front end of the terminal body 20. a contact end 21 and a second contact end 22, and a soldering end 23 extending from the rear end of the terminal body 20; the terminal body 20 includes a first root portion 200 located below and a first root portion a second root portion 201 above the 200 and a connecting portion 202 integrally connected to one side of the first and second portions 200 and 201 in a curved shape, the first contact end 21 extending from the front end of the first root portion 200 The second contact end 22 extends from the front end of the second root portion 201, so that the first and second contact ends 21, 22 extend forward on the same straight line, and the first contact end 21 is formed with an arched The first contact portion 210 and the second contact end 22 are also formed with a second contact portion 220 that is arched. The first contact portion 210 is located at a position spaced apart from the front of the second contact portion 220.

In the embodiment of the present invention, the soldering portion 23 is extended from the rear end of the first root portion 200, and each terminal 2 has a terminal fixing portion 24 between the first root portion 200 and the soldering portion 23. The two sides of the terminal fixing portion 24 can be further formed with a toothed or undulating nip edge 240, so that the terminal 2 can be inserted into the terminal slot 10 when the terminal 2 is inserted into the terminal slot 10. Further, the bite edge 240 is bitten into the terminal groove 10 to increase the bonding strength after the terminal 2 is inserted into the terminal groove 10. Further, the welded portion 23 may be extended from the rear end of the second root portion 201, and the terminal fixing portion 24 is located between the second root portion 201 and the welded portion 23 (not shown).

Furthermore, as shown in the fourth figure, when the terminals 2 are respectively inserted into the terminal slots 10, the first and second contact portions 210, 220 of the first and second contact ends 21, 22 of each terminal 2 are substantially tied to each other. At the same height position, and protruding toward the card slot 11. Accordingly, as shown in FIG. 5, when the module card 3 is inserted into the insulating base 1 by the card insertion opening 11, the guiding portion 30 of the leading edge of the module card 3 can be respectively associated with the first or each of the terminals 2. The two contact portions 210 and 220 are in contact with each other, and at the same time, the contact effects can be increased by the first and second contact portions 210 and 220 of each terminal, so as to prevent the terminal 2 from being misaligned due to manufacturing errors in the arrangement. Or, the lead portions 30 of the module card 3 are insufficient in thickness during manufacture, and the like, causing problems such as poor contact or inability to contact the few terminals 2.

Therefore, the present invention has a two-contact design such that each terminal 2 has a first contact end 21 and a second contact end 22, and the first contact portion 210 and the second contact end 21, 22 respectively provide the first contact portion 210 and the second contact portion The contact portion 220 is such that the module card 3 is inserted into the contact with the terminal 2, and the opportunity of each terminal 2 is increased. In particular, the first and second contact ends 21 and 22 are independent from each other, so that each other When it is pressed by an external force, it does not interfere with each other, and the stability of contact with each of the guiding portions 30 of the module card 3 can be ensured, so that the terminal 2 and the module card 3 are surely brought into contact with each other. The role of the sexual signal.

Therefore, the double-contact type terminal of the present invention and the card edge connector having the same can be obtained by the above-described structural composition.

In summary, the present invention can achieve the intended use purpose, and solve the lack of the conventional, and because of the novelty and progress, fully meet the requirements of the invention patent application, and apply according to the patent law, please check and The patent in this case is granted to protect the rights of the inventor.

However, the above description is only a preferred embodiment of the present invention, and thus the scope of the present invention is not limited thereto, and the equivalent techniques and means, etc., which are used in the description of the present invention and the contents of the drawings, are the same. It is included in the scope of the present invention and is combined with Chen Ming.

<present invention>

1. . . Insulated base

10. . . Terminal slot

11. . . Card slot

2. . . Terminal

20. . . Terminal body

200. . . First part

201. . . Second root

202. . . Linkage

twenty one. . . First contact end

210. . . First contact

twenty two. . . Second contact

220. . . Second contact

twenty three. . . Weld end

twenty four. . . Terminal fixing part

240. . . Bite edge

3. . . Module card

The first figure is an exploded perspective view of the card edge connector of the present invention.

The second figure is a schematic view of the stereoscopic appearance of the terminal of the present invention.

The third figure is a plan top view of the terminal of the present invention.

The fourth figure is a schematic cross-sectional view of the card edge connector of the present invention.

The fifth figure is a schematic cross-sectional view of the card edge connector of the present invention for inserting a module card.

2. . . Terminal

20. . . Terminal body

200. . . First part

201. . . Second root

202. . . Linkage

twenty one. . . First contact end

210. . . First contact

twenty two. . . Second contact

220. . . Second contact

twenty three. . . Weld end

twenty four. . . Terminal fixing part

240. . . Bite edge

Claims (11)

A dual contact terminal comprising:
a terminal body is bent and folded to include a first root portion, a second root portion opposite to the first root portion, and a connecting portion that is curved and integrally connected between the first and second root portions;
a first contact end extending from the front end of the first root portion, and the first contact end is formed with a first contact portion that is arched;
a second contact end extending from the front end of the second root portion, and the second contact end is formed with a second contact portion that is arched; and a soldering end extending from the rear end of the terminal body;
The first and second contact ends extend forward on the same straight line, and the first contact portion is located at a position spaced apart from the front of the second contact portion. The double-contact terminal according to claim 1, wherein the terminal system is in the form of a sheet to be folded and formed. The double-contact terminal according to claim 1, wherein the soldering portion extends from the rear end of the first root portion, and has a terminal fixing portion between the first root portion and the soldering portion, A nip edge is formed on the side of the terminal fixing portion. The double-contact terminal of claim 1, wherein the soldering portion extends from a rear end of the second root portion, and has a terminal fixing portion between the second root portion and the soldering portion, A nip edge is formed on the side of the terminal fixing portion. The double contact terminal of claim 3, wherein the occlusal edge is toothed or undulating. A card edge connector having a double contact terminal, comprising:
An insulating base is provided with a card insertion slot, the inner edge of the card insertion opening is provided with a plurality of terminal slots; and a plurality of terminals are respectively disposed in the terminal slots, and each of the terminals comprises:
a terminal body is bent and folded to include a first root portion, a second root portion opposite to the first root portion, and a connecting portion that is curved and integrally connected between the first and second root portions;
a first contact end extending from the front end of the first root portion, and the first contact end is formed with a first contact portion that is arched;
a second contact end extending from the front end of the second root portion, and the second contact end is formed with a second contact portion that is arched; and a soldering end extending from the rear end of the terminal body;
The first and second contact ends extend forward on the same straight line, and the first contact portion is located at a position spaced apart from the front of the second contact portion. A card edge connector having a double contact terminal according to claim 6, wherein the first and second contact portions of the first and second contact ends of each of the terminals are substantially at the same height position and face the same The card slot protrudes. A card edge connector having a double contact terminal according to claim 7, wherein the terminal system is formed in a sheet shape to be bent and formed. A card edge connector having a double contact terminal according to claim 7, wherein the soldering portion extends from the rear end of the first root portion, and has a gap between the first root portion and the solder portion The terminal fixing portion is formed with a meshing edge on the side of the terminal fixing portion to be engaged in each of the terminal slots. A card edge connector having a double contact terminal according to claim 7, wherein the soldering portion extends from the rear end of the second root portion, and has a gap between the second root portion and the solder portion The terminal fixing portion is formed with a meshing edge on the side of the terminal fixing portion to be engaged in each of the terminal slots. A card edge connector having a double contact terminal according to claim 9 or 10, wherein the occlusal edge is toothed or undulating.