JP4336195B2 - Card connector device - Google Patents

Description

  The present invention relates to a card connector device including a biasing member that holds a card inserted into a housing.

  As a conventional technique of this type, in Patent Document 1, an urging member made of a single leaf spring having an engaging portion that engages with a recess formed on a side edge of a card is provided on the side of the housing into which the card is inserted. The configuration for the side is shown. In the technique described in Patent Document 1, the engaging portion of the card inserted into the housing is engaged with the concave portion of the card by the urging force of the urging member. Thus, for example, at a predetermined mounting position where the contact member of the card conducts to the contact terminal of the housing, the card is held so as not to drop out from the insertion port of the housing due to vibration or disturbance applied to the housing.

As another conventional technique, Patent Document 2 discloses a configuration in which an engaging portion of a biasing member made of a single leaf spring arranged at the bottom of a housing is engaged with a concave portion of a card inserted into the housing. It is shown. Even in the technique described in Patent Document 2, when the engaging portion of the urging member is engaged with the concave portion of the card inserted into the housing, the insertion slot of the housing is caused by vibration or disturbance applied to the housing of the card. It is held so as not to fall off.
JP 2002-352911 A JP 2002-190355 A

  Nowadays, there is a tendency to develop a smaller card. In connection with this, a card connector device into which a card is inserted is also demanded to be small. In this case, since each of the above-described prior arts consists of a single leaf spring, there is a concern that a sufficient biasing force cannot be secured if the biasing member is formed small. That is, in the prior art, the card inserted into the housing as the size is reduced is weakened by the biasing force of the biasing member. There is a risk of it.

  The present invention has been made from the above-described actual state of the prior art, and its purpose is for a card that can stably hold a card inserted in a housing from vibrations, disturbances, etc. even when the entire apparatus is downsized. To provide a connector device.

In order to achieve the above object, the present invention includes a biasing member having an engagement portion that engages with a concave portion of a card inserted from an insertion port of a housing, and the engagement portion of the biasing member includes the above-described engagement portion. An auxiliary member that presses the urging member in a direction to engage with the concave portion of the card, and the urging member and the auxiliary member are formed by bending and processing one plate member; Each of the auxiliary members has a fixed end, embedded in a member that fixes a part of the fixed ends, and a support portion that supports at least one of the biasing member and the auxiliary member is fixed. It is provided on the side opposite to the card side inserted into the housing on the end side .

In the present invention configured as described above, when the biasing member is pressed by the auxiliary member, the engagement portion of the biasing member is reliably engaged with the concave portion of the card inserted into the housing with a sufficient biasing force. be able to. Therefore, even when the entire apparatus is downsized, the card inserted into the housing can be stably held from vibrations, disturbances, etc., and the card can be prevented from dropping out from the insertion slot. Further, the urging member and the auxiliary member can be easily formed by bending and working.

  Also, in the present invention according to the present invention, the position of the pressing portion of the auxiliary member that presses the urging member is set closer to the insertion port side of the housing than the position of the engaging portion of the urging member. It is characterized by.

  The present invention configured as described above can be structured to support both ends of the urging member, thereby strengthening the urging force of the engaging portion located between both ends of the urging member against the concave portion of the card. be able to.

  Further, in the present invention according to the above invention, the biasing member, the auxiliary member, and a contact terminal provided on the housing and in contact with the contact member of the card are formed by cutting one plate member. It is characterized by.

The present invention configured as described above can be handled as one member in the process of manufacturing a member including an urging member, an auxiliary member, and a contact terminal, and the number of manufacturing steps can be reduced.
The present invention is characterized in that, in the above invention, the support portion is provided between the fixed end of the biasing member and the engagement portion.
Further, the present invention is characterized in that, in the above invention, the support portion is provided between the fixed end of the auxiliary member and the pressing portion.
Further, the present invention is the above invention, wherein the support portion supports the biasing member and the auxiliary member, and the support portion of the biasing member is provided between the fixed end and the engagement portion. The support portion of the auxiliary member is provided between the fixed end and the pressing portion.

The present invention can stably hold a card inserted in a housing from vibrations, disturbances, etc. even when the entire apparatus is downsized, can prevent the card from dropping out from the insertion slot, and is excellent as a connector device. Reliable. Further, the urging member and the auxiliary member can be easily formed by bending and working.

  The best mode for carrying out a card connector device according to the present invention will be described below with reference to the drawings.

  1A and 1B are diagrams showing a card connector device according to an embodiment of the present invention when a card is inserted. FIG. 1A is a plan view, FIG. 1B is a front view, and FIG. 2 is an embodiment shown in FIG. FIG. 2 is a plan view showing a state in which the card is mounted at a predetermined mounting position.

[Cards used in this embodiment]
The card 1 used in the present embodiment has, for example, a concave portion 1a on the side edge, and includes a contact member 1b used for signal transmission / reception on the front side portion of the back surface as shown in FIG.

[Configuration of this embodiment]
The present embodiment includes a housing 2 that forms a main body. As shown in FIG. 1B, the housing 2 is provided with an insertion slot 2a into which the card 1 is inserted, and as shown in FIG. The contact terminal 2b which transmits / receives a signal by contact with the contact member 1b is provided.

  An urging member 3 having an engaging portion 3c that engages with the concave portion 1a of the card 1 is disposed on a side portion of the housing 2, and the urging member 3 includes the engaging portion 3c. An auxiliary member 4 that presses the urging member 3 is arranged in a direction to engage with the first recess 1a.

  The biasing member 3 and the auxiliary member 4 are formed, for example, by bending and raising one plate member, and the fixed ends 3 a and 4 a are embedded in the housing 2. The engaging portion 3c described above is formed in the vicinity of the free end 3b of the urging member 3. The pressing portion 4c of the auxiliary member 4 that presses the biasing member 3 near the distal end of the free end 4b of the auxiliary member 4, that is, closer to the insertion port 2a side of the housing 2 than the position of the engaging portion 3c of the biasing member 3. The position of is set.

  2, for example, the urging member 3, the auxiliary member 4, and the contact terminal 2b are included in one plate member 5 at the time of manufacture. The contact terminal 2b, the urging member 3 and the auxiliary member 4 are formed by cutting after the housing 2 is insert-molded.

  Further, the housing 2 includes a supporting portion 2c that supports the vicinity of the base of the auxiliary member 4 and an engaging portion 3c of the urging member 3 that engages with the concave portion 1a of the card 1 so that the free end of the urging member 3 is free. A stopper 2d for restricting the movement of the housing 2 to the side where the card 1 is inserted, and a support portion 2e for supporting the base of the urging member 3 are formed.

  As shown in FIG. 1 (a), the present embodiment configured as described above is used when the card 1 inserted and pushed in from the insertion port 2a of the housing 2 reaches, for example, a predetermined mounting position, that is, the card. When the contact member 1b of 1 and the contact terminal 2b of the housing 2 reach a conductive position, the engaging portion 3c of the biasing member 3 pushed by the auxiliary member 4 engages with the recess 1a of the card 1. As a result, the card 1 is held so as not to move in a state where it is mounted at a predetermined mounting position. At this predetermined mounting position, signals can be transmitted to and received from the card 1 via the contact member 1b of the card 1 and the contact terminal 2b of the housing 2.

  When the card 1 is discharged, the card 1 is discharged to a predetermined position against the urging force of the urging member 3 and the pressing force of the auxiliary member 4 by, for example, discharging the card 1 by a card discharge mechanism (not shown). .

[Effect of this embodiment]
According to the present embodiment configured as described above, the urging member 3 is pressed by the contact portion 4 c of the auxiliary member 4, whereby the engagement member 3 is inserted into the recess 1 a of the card 1 inserted into the housing 2. The engaging portion 3c can be reliably engaged with a sufficient urging force. Therefore, even when the entire apparatus is downsized, that is, even when the biasing member 3 and the auxiliary member 4 are small, the biasing force necessary for engaging the engaging portion 3c of the biasing member 3 with the concave portion 1a of the card 1 is required. You can secure the power. Thereby, the card 1 inserted into the housing 2 can be stably held from vibrations, disturbances, and the like, and the card 1 can be prevented from dropping out from the insertion port 2a of the housing 2. Therefore, excellent reliability as a connector device can be ensured.

  When the card 1 is discharged, the card 1 in the state shown in FIG. 2 is discharged, and the engaging portion 3c of the urging member 3 is detached from the concave portion 1a of the card 1 by the discharging force, as shown in FIG. This embodiment is effective even when the situation becomes unclear. That is, due to the urging force of the urging member 3 and the pressing force of the auxiliary member 4, the engaging portion 3c of the urging member 3 contacts the side edge of the card 1 with a relatively large force. Therefore, even when such a discharge occurs, a force for restricting the removal of the card 1 works, and it is possible to prevent the card 1 from being accidentally dropped.

  Further, the biasing member 3 has a structure in which the fixed end 3 a is supported by the housing 2 and the free end 3 b is supported by the contact portion 4 c of the auxiliary member 4. In other words, the biasing member 3 that originally forms a cantilever spring is supported at both ends via the contact portion 4 c of the auxiliary member 4. Thereby, the urging | biasing force with respect to the recessed part 1a of the card | curd 1 of the engaging part 3c located between the both ends of the urging | biasing member 3 can be strengthened. That is, the engaging portion 3c of the urging member 3 can be reliably engaged with the concave portion 1a of the card 1, which contributes to ensuring reliability as a connector device.

  Further, since the urging member 3 and the auxiliary member 4 are formed by bending and raising from one plate member 5, the urging member 3 and the auxiliary member 4 can be easily manufactured and the number of manufacturing steps can be reduced. In addition, the number of components can be reduced. Thereby, production costs can be reduced.

  Further, since the urging member 3, the auxiliary member 4, and the contact terminal 2b are included in one plate member 5 as shown by a two-dot chain line in FIG. 3, the auxiliary member 4 and the contact terminal 2b can be handled as one member in the process of manufacturing. This also makes it possible to reduce the number of manufacturing steps and reduce the manufacturing cost.

[Other Configurations of the Present Invention]
In the above embodiment, the urging member 3 and the auxiliary member 4 are fixed to the housing 2, but the present invention is not limited to such a configuration. For example, a slidable member that slides in the housing 2 as the card 1 is inserted is provided in the housing 2, and the urging member 3 having an engaging portion 3 c that engages with the concave portion 1 a of the card 1. The auxiliary member 4 that presses the biasing member 3 may be fixed.

  In addition, when there is a margin in the height direction of the housing 2 and it is desired to reduce the width of the entire apparatus, and when it is desired to mount the card 1 having a recess formed on the front surface or the back surface, the book described above is used. Instead of the configuration of the embodiment, the above-described combination of the biasing member 3 and the auxiliary member 4 may be disposed on the cover that forms the upper surface of the housing 2 or on the bottom that forms the lower surface.

  In the above embodiment, the engaging portion 3c of the urging member 3 is engaged with the concave portion 1a of the card 1 at a predetermined mounting position. However, the present invention is not limited to this, and the predetermined mounting position is at the predetermined mounting position. Before the card 1 arrives, the engaging portion 3c of the biasing member 3 may be engaged with the concave portion 1a of the card 1.

It is a figure which shows the time of card insertion of one Embodiment of the connector device for cards which concerns on this invention, (a) A figure is a top view, (b) A figure is a front view. In one Embodiment shown in FIG. 1, it is a top view which shows the state with which the card | curd was mounted | worn in the predetermined mounting position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Card 1a Recessed part 1b Contact member 2 Housing 2a Insertion slot 2b Contact terminal 2c Support part 2d Stopper 2e Support part 3 Energizing member 3a Fixed end 3b Free end 3c Engagement part 4 Auxiliary member 4a Fixed end 4b Free end 4c Contact part 5 Plate members

Claims (6)

An urging member having an engaging portion that engages with a concave portion of the card inserted from the insertion port of the housing;
An auxiliary member that presses the urging member in a direction in which the engaging portion of the urging member engages with the concave portion of the card;
The biasing member and the auxiliary member are formed by bending and processing one plate member,
Each of the urging member and the auxiliary member has a fixed end, is embedded in a member for fixing a part of the both fixed ends, and supports at least one of the urging member and the auxiliary member. A card connector device, wherein a support portion is provided on the side opposite to the card side inserted into the housing on the fixed end side. In the invention of claim 1,
A card connector device, wherein the position of the pressing portion of the auxiliary member that presses the urging member is set closer to the insertion port of the housing than the position of the engaging portion of the urging member. In the invention of claim 2,
A card connector device, wherein the biasing member, the auxiliary member, and a contact terminal provided in the housing and in contact with the contact member of the card are formed by cutting one plate member. In the invention according to any one of claims 1 to 3,
The card connector device, wherein the support portion is provided between the fixed end of the biasing member and the engaging portion. In the invention according to any one of claims 1 to 3,
The card connector device, wherein the support portion is provided between the fixed end of the auxiliary member and the pressing portion. In the invention according to any one of claims 1 to 3,
The support portion supports the biasing member and the auxiliary member, and the support portion of the biasing member is provided between the fixed end and the engagement portion, and the support portion of the auxiliary member is A card connector device provided between the fixed end and the pressing portion.

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