TW201528616A - Card connector - Google Patents

Abstract

To provide a card connector in which the thickness of the portion for supporting a contact terminal in a housing is reduced to achieve miniaturization. A card connector (1) is formed with a card medium receiving unit (14) for the insertion of a card medium therein between the housing (10) and a shield case (20) that covers one surface portion of the housing (10), the housing (10) being formed with a through opening window (16) in the thickness direction. The opening window (16) is assembled with a contact terminal (40) that is arranged in the insertion direction of a card medium; a substrate (50) is configured opposite to the opening window (16) of the housing (10); the contact terminal (40) comprises: a contact portion (41) in contact with the card medium inserted in the card medium receiving unit (14) at the center portion of the longitudinal direction, a base end portion (42) fixed to the housing (10 ), and a front end portion (43); the housing (10) includes: a protective unit (18) that covers front end portion (43) of the contact terminal (40) from the card medium receiving unit (14) side of the card medium.

Description

Card connector

The present invention relates to a card connector.

In the conventional card connector for an electronic device such as a mobile phone or an information terminal device, one end portion of the connector terminal is fixed to the casing, and the other end portion of the connector terminal is supported by the casing (for example, refer to Patent Document 1) .

As shown in FIG. 5, the conventional card connector 101 described above includes a housing 110, a shield case 120, and a contact terminal 130.

The shielding case 120 is attached to the housing 110, and between the housing 110 and the shielding case 120, a front side of the card media insertion direction R is toward the front side of the card media insertion direction, and an SD card, an MMC card, etc. are not shown. The card medium accommodating portion 111 into which the card medium is inserted.

The casing 110 is formed of a resin material and has a plurality of opening windows 112 penetrating in the thickness direction of the member, and the contact terminals 130 are assembled in the opening windows 112. In the casing 110, a substrate (not shown) constituting a printed circuit board is mounted on the lower portion.

The contact terminal 130 is formed of a metal having excellent conductivity. The thin plate springs arranged in the direction in which the card medium is inserted are elastically deformed toward the thickness of the card medium.

The contact terminal 130, wherein one end portion is formed as a fixed end 131 fixed to the housing 110, and the other end portion is formed as a movable end 132 that allows displacement of the housing 110 toward the insertion direction of the card medium, in the middle portion of the card medium insertion direction There is a contact portion 133 that protrudes upward in a convex shape.

The fixed end 131 of the contact terminal 130 is press-fitted into the groove portion 113 formed in the casing 110 so as to be located at one end side of the opening window 112. The movable end 132 of the contact terminal 130 enters the gap between the shoulder portion 114 and the bottom wall portion 115 which are formed in the housing 110 and are opposed to each other so as to be located at the other end portion of the opening window 112.

Further, when the contact portion 133 of the contact terminal 130 inserts the card medium into the card medium accommodating portion 111 from the front side R of the card medium insertion direction, it contacts the pad portion (not shown) on the lower surface of the card medium.

In the card connector 101, since the movable end 132 of the contact terminal 130 enters a gap between the shoulder 114 and the bottom wall portion 115 formed in the housing 110, when the card medium is inserted into the card medium accommodating portion 111, or When the card medium is pulled out from the card medium accommodating portion 111, the movable end 132 of the contact terminal 130 does not interfere with the card medium, and thus the contact terminal 130 is not damaged by bending or the like.

[prior technical literature] [Patent Document]

[Patent Document 1] Japanese Patent Laid-Open Publication No. 2008-97947

In the conventional card connector 101, since the movable end 132 of the contact terminal 130 is sandwiched in the up and down direction by the shoulder 114 and the bottom wall portion 115 formed in the housing 110, the contact terminal 130 is supported in the housing 110. The thickness of the portion of the movable end 132 becomes large, and it is difficult to make the card connector 101 thin.

Accordingly, the present invention has been made to solve the above problems, and an object thereof is to provide a card connector which can reduce the thickness of a portion where a contact terminal is supported by a casing, and can be made thinner.

In order to achieve the above object, a card connector according to the present invention includes: a case formed with an opening window penetrating in a thickness direction; and a shield case covering a face of the case, between the case and the shield case a card medium accommodating portion into which a card medium is inserted is formed, and a contact terminal that is arranged in a card medium insertion direction is assembled in the opening window, and a substrate having a conductor circuit electrically connected to the contact terminal is disposed in the housing The contact terminal has a contact portion having a contact portion that is in contact with the card medium inserted in the card medium accommodating portion at an intermediate portion in the longitudinal direction, a base end portion fixed to the casing, and a front end The housing has a protection portion that covers the front end portion of the contact terminal from the card medium accommodation portion side.

With this configuration, the card connector of the present invention supports the front end portion of the contact terminal by the substrate attached to the other surface of the casing. Therefore, the card connector of the present invention has a small thickness in a portion where the housing supports the contact terminals, and can be made thinner.

Further, in the card connector of the present invention, since the protective portion covers the front end portion of the contact terminal from the card medium accommodating portion side, when the card medium is inserted into the card medium accommodating portion, or when the card medium is detached from the card medium accommodating portion When it is out, the card medium or the like does not interfere with the front end portion of the contact terminal. Therefore, the card connector of the present invention can prevent damage of the contact terminals.

In the card connector of the above configuration, the substrate has a metal foil portion, and the tip end portion of the contact terminal is preferably in contact with the metal foil portion.

With this configuration, the card connector of the present invention prevents the front end portion of the contact terminal from coming into contact with the substrate by the metal foil portion. Therefore, the card connector of the present invention can prevent the wear of the substrate.

In the card connector of the above configuration, the metal foil portion is preferably electrically connected to the contact terminal.

With this configuration, the card connector of the present invention utilizes the metal foil portion as a conductive circuit and can prevent the substrate from being worn out.

In the card connector of the above configuration, it is preferable that the casing has a concave portion that is recessed toward the card medium accommodating portion side on the front side of the front end portion of the contact terminal.

According to this configuration, in the card connector of the present invention, when the housing is integrated with the contact terminal by insert molding, the concave portion formed on the front side of the front end portion of the contact terminal prevents the resin material from coming into contact with the touch. Head terminal Front end. Therefore, the card connector of the present invention can prevent the front end portion of the contact terminal from coming into close contact with the resin material forming the casing without peeling off.

According to the present invention, it is desirable to provide a card connector in which the thickness of a portion of a housing that supports a contact terminal is reduced, and the thickness can be reduced.

1‧‧‧ card connector

10‧‧‧shell

14‧‧‧ Card Media Storage Department

16‧‧‧Open window

18‧‧‧Protection Department

19‧‧‧ recess

20‧‧‧Shielded enclosure

40‧‧‧Contact terminals

41‧‧‧Contact Department

42‧‧‧ base end

43‧‧‧ front end

50‧‧‧Substrate

51‧‧‧Metal Foil Department

Fig. 1 is a perspective view of a card connector according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view taken along line A-A of the card connector shown in Fig. 1.

Fig. 3 is a perspective view showing the casing of the card connector of Fig. 1.

Fig. 4 is an enlarged cross-sectional view showing a protection portion of the card connector of the embodiment.

Fig. 5 is a longitudinal sectional view of a conventional card connector.

The card connector of the embodiment of the present invention will be described below with reference to the drawings.

As shown in FIG. 1 and FIG. 2, the card connector 1 of the present embodiment includes a resin case 10, a metal shield case 20, and contact terminals 30 and 40.

As shown in FIGS. 2 and 3, the casing 10 has a card supporting portion 11 connected to the upper edge of the card supporting portion 11, and the card media. a side wall portion 12 extending toward the front F side of the card medium insertion direction on the front side R side in the insertion direction, and a side wall portion 13 extending in the same direction as the side wall portion 12, and a side wall portion 13 extending in the same direction as the side wall portion 12 of the card support portion 11; Between the two, a card medium accommodating portion 14 for inserting a card medium (not shown) is formed.

The casing 10 has a plurality of opening windows 15 and 16 penetrating the thickness direction in the card supporting portion 11. The opening window 15 has three portions arranged on the front side R side of the card supporting portion 11 in the card medium insertion direction in the card medium width direction. The opening window 16 is arranged in the card medium insertion direction on the front side F side in the card medium insertion direction by three in the card medium width direction.

As shown in Fig. 1, the shield case 20 has a card cover portion 21 partially covering the card medium accommodating portion 14 of the card support portion 11 from the upper side, and is connected to one edge portion of the card cover portion 21 and the card support portion 11 The case engagement portion 22 that is engaged with the side wall portion 12 and the case engagement portion 23 that is connected to the other edge portion of the card cover portion 21 and that engages with the side wall portion 13 of the card support portion 11 is engaged.

The shield case 20 has a notch portion 24 at a portion on the front side R side of the card cover portion 21 in the card medium insertion direction, and a notch portion 25 at a portion on the front side F side of the card cover portion 21 in the card medium insertion direction.

As shown in Fig. 2, the contact terminal 30 is a thin plate spring formed of a metal having excellent conductivity, and is extended in the insertion direction of the card medium, and has a convexly curved connection toward the shield case 20 side in the intermediate portion in the longitudinal direction. The dot portion 31 is assembled to the opening window 15 of the casing 10.

The base end portion 32 on the front side R of the contact terminal 30 in the card medium insertion direction is fixed to the card support portion 11. At the contact terminal 30 is located in the card medium The front end portion 33 on the front side F side of the body insertion direction is supported by the upper surface portion of the support portion 17, and the support portion 17 is formed so as to protrude toward the inner side of the opening window 15 at the card support portion 11.

As shown in Fig. 2, the contact terminal 40 is a thin plate spring formed of a metal having excellent conductivity, and is extended in the insertion direction of the card medium, and has a convexly curved connection toward the shield case 20 side in the intermediate portion in the longitudinal direction. The dot portion 41 is assembled to the opening window 16 of the casing 10.

The base end portion 42 on the front side R of the contact terminal 40 in the card medium insertion direction is fixed to the card support portion 11. The distal end portion 43 of the contact terminal 40 on the front side F side in the card medium insertion direction is covered from the card medium accommodating portion 14 side by the protective portion 18 formed in the card supporting portion 11.

As shown in FIG. 2, the card connector 1 of the present embodiment has a substrate 50 attached to the lower surface of the card support portion 11. The substrate 50 has a conductor circuit (not shown) that electrically connects the contact terminals 30 and 40, and a metal foil portion 51 that contacts the lower surface of the distal end portion 43 of the contact terminal 40.

As shown in FIG. 4, the card connector 1 of the present embodiment is formed such that the card support portion 11 is located on the front side F of the distal end portion 43 of the contact terminal 40 in the card medium insertion direction, and is formed toward the card medium accommodating portion 14 side. Recessed recess 19.

For example, when the card supporting portion 11 is formed by the insert molding method, a mold corresponding to the front end portion 43 and the recess portion 19 of the contact terminal 40 is disposed, and after the resin is injected, the mold corresponding to the concave portion 19 is removed, and the mold can be formed. The shape shown in Figure 4.

Next, the action of the card connector 1 of the present embodiment will be described.

In the card connector 1 of the present embodiment, when the card medium is inserted into the card medium accommodating portion 14, the pad portion of the card medium is brought into contact with the contact portion 31 of the contact terminal 30, and the contact portion 31 is pressed down to allow touch. The head terminal 30 is elastically deformed.

Further, when the card medium 1 of the present embodiment is inserted into the card medium accommodating portion 14, the pad portion of the card medium is brought into contact with the contact portion 41 of the contact terminal 40, and the contact portion 41 is pressed down. The lower surface portion of the front end portion 43 of the contact terminal 40 is in contact with the metal foil portion 51 of the substrate 50, and the contact terminal 40 is elastically deformed.

The card connector 1 of the present embodiment supports the distal end portion 43 of the contact terminal 40 by the substrate 50 attached to the lower surface portion of the card supporting portion 11 constituting the casing 10. Therefore, in the card connector 1 of the present embodiment, the thickness of the portion of the casing 10 that supports the contact terminals 40 is reduced, and the thickness can be reduced.

In the card connector 1 of the present embodiment, the card support portion 11 is formed with a protection portion 18 that covers the distal end portion 43 of the contact terminal 40 from the card medium accommodation portion 14 side. When the card medium is inserted into the card medium accommodating portion 14 or the card medium accommodating portion 14 is pulled out, the card medium or the finger end of the operator does not interfere with the front end portion of the contact terminal 40. 43. Therefore, the card connector 1 of the present embodiment can prevent damage such as bending or bending damage at the contact terminals 40.

The card connector 1 of the present embodiment prevents contact between the distal end portion 43 of the contact terminal 40 and the substrate 50 by the metal foil portion 51 provided on the substrate 50. Therefore, the card connector 1 of the present embodiment can prevent the substrate 50 wear and tear.

In the card connector 1 of the present embodiment, the card supporting portion 11 constituting the casing 10 is provided with a recess 19 at a portion on the front F side of the front end portion 43 of the contact terminal 40 in the card insertion direction. When the casing 10 is integrated with the contact terminals 30 and 40, the mold placed at the position of the recess 19 prevents the resin material from being caught around the tip end portion 43 of the contact terminal 40. Therefore, the card connector 1 of the present embodiment can prevent the distal end portion 43 of the contact terminal 40 from coming into close contact with the resin material forming the casing 10 without being peeled off.

In the card connector 1 of the present embodiment, the distal end portion 43 of the contact terminal 40 extends in the insertion direction of the card medium, and the distal end portion 43 may extend in a direction orthogonal to the insertion direction of the card medium instead of the direction.

The technical scope of the card connector of the present invention is not limited to the above embodiment, and various modifications of various components described in the claims are included.

As described above, the card connector of the present invention can reduce the thickness of the portion that supports the contact terminals in the casing, and can achieve a thinning effect, and can be used for various substrate assembly and the like.

1‧‧‧ card connector

10‧‧‧shell

11‧‧‧ card support

13‧‧‧ Sidewall

14‧‧‧ Card Media Storage Department

15‧‧‧Open window

16‧‧‧Open window

17‧‧‧Support

18‧‧‧Protection Department

19‧‧‧ recess

20‧‧‧Shielded enclosure

21‧‧‧Card Covering Department

24‧‧‧Gap section

25‧‧‧Gap section

30‧‧‧Contact terminals

31‧‧‧Contact Department

32‧‧‧ base end

33‧‧‧ front end

40‧‧‧Contact terminals

41‧‧‧Contact Department

42‧‧‧ base end

43‧‧‧ front end

50‧‧‧Substrate

51‧‧‧Metal Foil Department

Claims (4)

A card connector having: a casing formed with an opening window penetrating in a thickness direction; and a shielding casing covering a surface of the casing; and between the casing and the shielding casing, a card medium is formed In the inserted card medium accommodating portion, a contact terminal arranged in the card insertion direction is assembled in the opening window, and a substrate having a conductor circuit electrically connected to the contact terminal is disposed to face the opening window of the casing The contact terminal has a contact portion that is in contact with the card medium inserted in the card medium accommodating portion at an intermediate portion in the longitudinal direction, a base end portion that is fixed to the casing, and a front end portion; The casing has a protection portion that covers the front end portion of the contact terminal from the card medium accommodating portion side. A card connector according to claim 1, wherein the substrate has a metal foil portion, and a front end portion of the contact terminal is in contact with the metal foil portion. The card connector of claim 1 or 2, wherein the metal foil portion is electrically connected to the contact terminal. The card connector according to any one of claims 1 to 3, wherein the casing has a concave portion recessed toward the card medium accommodating portion side on a front side of the front end portion of the contact terminal.