JP4844927B2 - Card connector - Google Patents

Description

  The present invention relates to a card connector for inserting and connecting a card such as a SIM card in which identification information is written.

  As shown in FIGS. 6 (A), (B), (C) to FIG. 8, the conventional card connector 1 of this type is provided with elastic deformation portions 4a of a plurality of contacts 4 for contacting the terminal array 3 of the card 2. A base plate 5 in which the provided contact portion 4b is exposed on one side so that it can protrude and retract, and each base portion 4c of each contact 4 is insulated and supported, and one side of the base plate 5 supported by both edges of the base plate 5 And a metal cover member 7 that forms a card insertion passage 6 therebetween. Each contact 4 is arranged in two stages before and after the insertion direction of the card insertion passage 6 in this example. The contacts 4 are arranged in three rows in the width direction of the card insertion passage 6 in this example. In FIG. 8, the card insertion passage 6 has an inlet portion 6a on the left side and a card tip positioning portion 6b on the right side. As shown in FIG. 8, the elastically deforming portion 4a of each contact 4 at the first stage and the elastically deforming portion 4a of each contact 4 at the second stage do not obstruct the insertion of the card 2, as shown in FIG. The free end faces in the direction toward 6b. The terminal part 4d of each contact 4 in the first stage protrudes outside the inlet part 6a. The terminal part 4d of each contact 4 in the second stage protrudes out of the card tip positioning part 6b in the opposite direction to the terminal part 4d in the first stage. Thus, the elastically deforming portion 4a of each contact 4 at the first stage and the elastically deforming portion 4a of each contact 4 at the second stage extend in the direction from the inlet portion 6a toward the card tip positioning portion 6b, and each contact at the second stage. In order to project the terminal portion 4d of 4 in the direction opposite to the terminal portion 4d of the first stage, each contact 4 of the second stage is curved in a U shape. As shown in FIG. 8, each contact portion 4 b is inserted into and removed from the base plate 5 at a position corresponding to each elastic deformation portion 4 b having each contact portion 4 b of each contact 4. Each of the window portions 8 is provided so as to sink or rise from the wall thickness space. The base plate 5 of the card connector 1 is installed on a substrate 9 (see, for example, Patent Document 1).

In such a card connector 1, as shown in FIG. 7, the card 2 inserted into the card connector 1 is often provided with a recess 10 such as a card hole for attaching a strap.
JP 2002-343505 A

  However, the concave portion 10 is provided in the card 2 as described above, and as shown in FIG. 7, the user mistakenly inserts the concave portion 10 side first into the card connector 1 and inserts the contact 4 in the second stage. If the contact portion 4b fits into the recess 10 and then the user notices an error and tries to remove the card 2 from the card connector 1, the contact portion 4b of the second-stage contact 4 hits the inner wall of the recess 10, and the card There was a problem that 2 could not be removed. When the card 2 is forcibly removed, there is a problem that the contact portion 4b of the contact 4 is buckled.

  An object of the present invention is to provide a card connector in which a concave portion is provided in a card and the contact portion of a contact can be prevented from entering the concave portion even if the concave portion is first inserted into the card connector. is there.

  The configuration of the present invention that achieves the above object will be described as follows.

According to the first aspect of the present invention, the contact portion provided at the tip of the elastically deforming portion of the plurality of contacts for contacting the terminal array of the card is exposed on one side so as to be able to protrude and retract, and each base portion of each contact is insulated. A supported base plate, and a cover member that is supported by both edges of the base plate and covers one side of the base plate to form a card insertion path therebetween.
In the base plate, the contact portions are sunk into the thickness space of the base plate by inserting / removing the card at positions corresponding to the elastic deformation portions having the contact portions of the contacts. It is a card connector provided with a window part that is further raised,
Each elastic deformation portion is provided with branching auxiliary pieces that are separated from the contact portions along the side portions of the contact portions, respectively.
The free end of each auxiliary piece is provided to protrude forward from the free end of each contact portion,
The tip of the free end of each auxiliary piece enters the window part at an oblique inclination with each elastic deformation part being free, and the top part of each auxiliary piece is lower than the top part of the contact part. In addition, the top of the auxiliary piece is located on the front side of the top of the contact portion. When the top of the auxiliary piece is pushed down on the lower surface of the card, the free end of the contact portion is opened by the lowering of the elastic deformation portion. A card connector characterized in that it enters into the department .
It is characterized by that.

  According to a second aspect of the present invention, in addition to the configuration of the first aspect, each of the auxiliary pieces has an annular shape surrounding the corresponding contact portion along the corresponding contact portion.

  According to a third aspect of the present invention, in addition to the configuration of the first aspect, each auxiliary piece has a structure extending along at least one side of the contact portion along the corresponding contact portion.

  According to a fourth aspect of the present invention, in addition to the configuration of any one of the first to third aspects, the contact portion is curved in an inverted U shape, and the auxiliary piece is also curved in an inverted U shape. It is characterized by.

  In the card connector according to the present invention, the elastic deformation portion of the contact is provided with an auxiliary piece that branches away from the contact portion along the side portion of the contact portion, and the free end of the auxiliary piece is a free end of the contact portion. The tip of the free end of the auxiliary piece is provided in the window portion with an oblique inclination with the elastic deformation portion free, so that the card is inserted with the concave portion first. In this case, even if the contact portion provided on the elastic deformation portion of the contact corresponds to this recess, the auxiliary piece provided in front of this contact portion is present at the end of the recess of the card. As a result, when the auxiliary piece is pushed down on the lower surface of the card, the contact portion is also lowered by the lowering of the elastic deformation portion. It will not fit in the recess. Therefore, when the card is retracted, the tip of the contact portion does not hit the inner surface of the recess, and the card can be retracted without buckling the contact portion of the contact.

  When each auxiliary piece has an annular shape surrounding the corresponding contact portion along the corresponding contact portion, the shape of each auxiliary piece is stabilized, and the contact portion can be safely protected.

  If each auxiliary piece has a structure extending along at least one side of the contact portion along the corresponding contact portion, the contact portion can be safely protected.

  If the contact part is curved in an inverted U shape, the auxiliary piece is also bent in an inverted U shape, and the top of the contact part is lower than the top of the auxiliary piece while the elastically deforming part is free, the auxiliary part and auxiliary The piece can be operated stably.

  Hereinafter, the best mode for carrying out a card connector according to the present invention will be described in detail with reference to the drawings. Note that portions corresponding to those in FIGS. 6A, 6B, and 8 are denoted by the same reference numerals.

  1 to 4 show an example of a card connector according to the present invention. FIG. 1 is a partial plan view of the card connector of this example, FIG. 2 is a sectional view taken along line XX ′ of FIG. Sectional drawing of the state which inserted the card | curd in the card connector shown to 2 reversely, FIG. 4 is an enlarged view of the P section of FIG.

In the card connector 1 of this example , a contact portion 4b is integrally formed at the tip of each elastically deforming portion 4a of each contact 4, and exists away from the contact portion 4b along the side portion of each contact portion 4b. An auxiliary piece 4e is branched from the elastic piece 4a . Each auxiliary piece 4e has an annular shape surrounding the contact portion 4b along the corresponding contact portion 4b.
The free end of each auxiliary piece 4e is provided so as to protrude forward from the free end of each contact portion 4b. As shown in FIG. 2, the tip of the free end of each auxiliary piece 4e enters the window portion 8 with an oblique inclination when each elastic deformation portion 4a is free.
Each contact portion 4b has a shape curved in an inverted U shape. Each auxiliary piece 4e is also bent in an inverted U shape at the tip , and the top of each auxiliary piece 4e is lower than the top of the contact portion 4b as shown in FIG. In addition, the top of the auxiliary piece 4e is located on the far side of the top of the contact portion.

In the card connector 1 having such a structure, as shown in FIG. 3, when the card 2 is inserted with the concave portion 10 first, the contact provided in the elastic deformation portion 4 a of the contact 4 in the concave portion 10. Even when the portion 4b is in a corresponding state, the auxiliary piece 4e provided in front of the contact portion 4b exists at the tip of the concave portion 10 of the card 2 and is pushed down on the lower surface of the card 2. As a result, the contact portion 4b and the auxiliary piece 4e integrated with the elastic deformation portion 4a are lowered by the lowering of the elastic deformation portion 4a when the auxiliary piece 4e is pushed down on the lower surface of the card 2 , and its free end is shown in FIG. As shown in FIG. 2, the light enters the window 8 and does not fit into the recess 10 of the card 2 .
Therefore, when the card 2 is retracted, the tip of the contact portion 4b does not hit the inner surface of the recess 10, and the card 2 can be retracted without buckling the contact portion 4b of the contact 4. In particular, when each auxiliary piece 4e has an annular shape surrounding the contact portion 4b along the corresponding contact portion 4e, the shape of each auxiliary piece 4e is stabilized, and the contact portion 4e can be safely protected. it can.

  FIG. 5 is a plan view showing another example of the shapes of the contact portion 4b and the auxiliary piece 4e provided at the tip of the elastically deforming portion 4a of the contact 4. FIG.

  In this example, the auxiliary piece 4e provided at the tip of the elastic deformation portion 4a has a structure extending along at least one side of the contact portion 4b along the corresponding contact portion 4b, in this example, both sides.

  Even with such a structure, the same effect as in the above example can be obtained.

It is a partial top view of an example of the card connector which concerns on this invention. It is XX 'sectional drawing of FIG. It is sectional drawing of the state which inserted the card | curd in the card connector shown in FIG. 2 in reverse direction. It is an enlarged view of the P section of FIG. In this invention, it is a top view which shows the other example of the shape of the contact part provided in the front-end | tip of the elastic deformation part of a contact, and an auxiliary piece. (A) (B) (C) shows an example of a conventional card connector, (A) is a plan view thereof, (B) is a right side view of (A), (C) is a view of (A). It is a lower side view. It is a longitudinal cross-sectional view of the conventional card connector. It is a longitudinal cross-sectional view of the state which inserted the card | curd in the card connector shown in FIG. 7 in reverse direction.

DESCRIPTION OF SYMBOLS 1 Card connector 2 Card 3 Terminal array 4 Contact 4a Elastic deformation part 4b Contact part 4c Base part 4d Terminal part 4e Auxiliary piece 5 Base board 6 Card insertion path 6a Entrance part 6b Card front end positioning part 7 Cover member 8 Window part 9 Substrate 10 Recessed part

Claims (4)

A base plate in which a contact portion provided at the tip of an elastically deforming portion of a plurality of contacts for contacting a terminal array of the card is exposed on one side so as to protrude and retract, and each base portion of each contact is insulated and supported; and the base A cover member that is supported by both edges of the plate and covers one side of the base plate to form a card insertion path between the two,
In the base plate, the contact portions are sunk into the thickness space of the base plate by inserting / removing the card at positions corresponding to the elastic deformation portions having the contact portions of the contacts. It is a card connector provided with a window part that is further raised,
Each elastic deformation portion is provided with branching auxiliary pieces that are separated from the contact portions along the side portions of the contact portions, respectively.
The free end of each auxiliary piece is provided to protrude forward from the free end of each contact portion,
The tip of the free end of each auxiliary piece enters the window part at an oblique inclination with each elastic deformation part being free, and the top part of each auxiliary piece is lower than the top part of the contact part. In addition, the top of the auxiliary piece is located on the front side of the top of the contact portion. When the top of the auxiliary piece is pushed down on the lower surface of the card, the free end of the contact portion is opened by the lowering of the elastic deformation portion. A card connector characterized in that it enters into the department .   The card connector according to claim 1, wherein each auxiliary piece has an annular shape surrounding the contact portion along the corresponding contact portion.   2. The card connector according to claim 1, wherein each auxiliary piece has a structure extending along at least one side of the contact portion along the corresponding contact portion. The card connector according to claim 1, wherein the contact portion is curved in an inverted U shape, and the auxiliary piece is also curved in an inverted U shape at a tip portion .

Images