JP2008311236A - Connector device for card - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector device for cards whose height size can be reduced and signal wirings of whose connection terminals can simply be routed. <P>SOLUTION: A housing 4 has a card insertion portion 4h on which a first card 1, a second card 2 and a third card 3, which have different shapes, can be loaded. On the bottom surface 4g of the housing 4, first contact terminals 5 contactable with first external contact parts 1d of the first card 1, second contact terminals 6 contactable with second external contact parts 2d of the second card 2, and third contact terminals 7 contactable with a third external contact parts 3d of the third card 3 are provided. These first, second and third contact terminals 5, 6, 7 are arranged in three rows along the card insertion direction. An insertion port 4a is provided with a first, second and third guide walls 4b, 4c, 4d to guide the first, second and third cards 1, 2, 3, respectively. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a card connector device capable of mounting a plurality of cards having different shapes.

  As this type of conventional technology, for example, there is a technology described in Patent Document 1. Patent Document 1 discloses a card connector device capable of mounting a plurality of cards such as a smart media card and a memory stick card.

This prior art has a configuration in which contact terminals that are in contact with external contact portions of a plurality of cards are arranged on both upper and lower surfaces.
Registered Utility Model No. 3079263

  In the above-described prior art, since the contact terminals are arranged on both the upper and lower surfaces, there is a problem that the height dimension of the device becomes high and the miniaturization cannot be realized. In addition, the routing of the signal line connected to the contact terminal is complicated, and there is a problem that the manufacturing cost increases.

  The present invention has been made from the above-described prior art, and an object of the present invention is to provide a card connector device in which the height of the device can be reduced and the signal lines of connection terminals can be easily routed. There is.

  In order to achieve the above object, the present invention includes a card insertion portion having one insertion slot into which a first card, a second card, and a third card having different shapes can be selectively mounted, and the first card. A housing having a first contact terminal capable of contacting the external contact portion of the second card, a second contact terminal capable of contacting the external contact portion of the second card, and a third contact terminal capable of contacting the external contact portion of the third card. The second card has a shorter length dimension and a larger width dimension and a smaller thickness dimension than the first card, and the third card has a shorter length dimension and a larger width dimension than the second card. The first contact terminals, the second contact terminals, and the third contact terminals are arranged in three rows along the card insertion direction on the bottom surface of the card insertion portion, and the first contact terminals are reduced in thickness. Connect the contact terminals to the rear side of the housing. The second contact terminal is disposed at the center position of the housing, the third contact terminal is disposed at the front position of the housing, and the first card is guided to the one insertion slot. A guide wall; a second guide wall that guides the second card; and a third guide wall that guides the third card. The guide wall is located outside the first guide wall in the width dimension direction. The second guide walls are arranged on both sides on the side, the third guide walls are arranged on both sides on the outer side in the direction of the width dimension with respect to the arrangement position of the second guide walls, and the second The first guide wall is disposed above the guide wall in the thickness dimension direction, and the third guide wall is disposed below the second guide wall in the thickness dimension direction. It is characterized by that.

  In the present invention configured as described above, all of the first, second, and third contact terminals that contact the external contact portions of the first, second, and third cards are arranged in three rows on the bottom surface of the card insertion portion. Since the contact terminal is not provided on the upper surface opposite to the bottom surface, the height of the device can be reduced. Further, since the first, second and third contact terminals are arranged on the same bottom surface of the card insertion portion, the signal lines connected to these first, second and third contact terminals can be easily routed. is there.

  The first guide wall for guiding the first card is disposed on the inner side and the upper side of the second guide wall for guiding the second card, and the second guide wall for guiding the second card is provided by the third By arranging the card on the inner side and the upper side of the third guide wall for guiding the card, the width direction of each card can be guided.

  In addition, the upper surface of the first card is shifted to the upper side in the mounting space with respect to the upper surface of the second card, and the upper surface of the second card is positioned above the upper surface of the third card in the mounting space. Therefore, guiding the upper surface of each card can be performed from the insertion slot to the back side.

  Further, since the second card is guided in the width direction on the upper side in the mounting space with respect to the third card, the size of the lower surface of the second card protruding to the lower side of the housing is reduced. Contact between the card and the third contact terminal can be reduced, and the first card is guided in the width direction on the upper side in the mounting space with respect to the second and third cards. The lower surface of the housing protrudes downward from the housing, and the contact between the first card, the second contact terminal, and the third contact terminal can be reduced.

  Further, the present invention is the above invention, wherein the projecting end portions of the first contact terminal and the second contact terminal from the housing are projected rearward from the back side position of the housing, and the third contact is performed. A protruding end portion of the terminal from the housing protrudes forward from the front position of the housing, and the protruding end portion of each of the first, second, and third contact terminals is soldered to a predetermined substrate. It is characterized in that it can be attached.

  According to the present invention configured as described above, since the protruding end portions of the first, second, and third contact terminals are located outside the bottom surface of the housing, soldering to a predetermined board can be easily performed. it can. That is, it can be easily mounted on a predetermined substrate.

  In the present invention, the first, second, and third contact terminals are supported in a cantilever shape on the bottom surface of the card insertion portion, and the first, second, and third contact terminals are provided. Each of the free end sides has a protrusion protruding upward, and when inserting the first card, the second contact terminal and the third contact terminal are pushed down, and when inserting the second card, And a push-down member that pushes down the third contact terminal. The push-down member is provided with a protruding portion of the second contact terminal and a hole portion into which the protruding portion of the third contact terminal is inserted. It is said.

  In the present invention configured as described above, when the first card is inserted, the third contact terminal and the second contact terminal are pushed down by the push-down member, thereby causing friction between the first card and the third and second contact terminals. Rubbing can be further reduced. Further, when the second card is inserted, the third contact terminal is pushed down by the push-down member, so that friction due to friction between the second card and the third contact terminal can be further reduced.

In the present invention, the width of each of the protrusions of the first, second, and third contact terminals is the smallest in the width of the protrusion of the third contact terminal. The width dimension of the protrusion is the next smallest, and the width dimension of the protrusion of the first contact terminal is set to be larger than the width dimension of the protrusion of the second contact terminal. According to the present invention, since the width dimension of the protrusions of the third and second contact terminals is relatively small, the friction between the first card and the third and second contact terminals when the first card is inserted. The rubbing can be reduced, and the rubbing due to the friction between the second card and the third contact terminal when the second card is inserted can be reduced.

  According to the present invention, the first guide wall, the second guide wall, and the third card are inserted into the card insertion slot within the thickness dimension of the first card and the width dimension of the third card. It is characterized by the formation of a guide wall.

  Further, the present invention is the above invention, wherein a position on the back side of a predetermined third mounting position of the third card and an outer side position in the width direction of the predetermined first mounting position of the first card. And a detection switch for the second card is arranged.

  According to the present invention, in the above invention, a guide wall for guiding the first card is provided at a side portion of the card insertion slot.

  According to the present invention, in the above invention, the distance between one side of the first guide wall and the third guide wall closer to the one side, and the other side of the first guide wall and the closer to the other side. The distance from the third guide wall is a different distance.

  In the present invention, the distance between one side of the second guide wall and the third guide wall closer to the one side, and the other side of the second guide wall and the closer to the other side. The distance from the third guide wall is a different distance.

  In the present invention, since all of the first, second, and third contact terminals are arranged on the bottom surface of the card insertion portion, the height of the device can be reduced, and the device can be downsized. Since the first, second and third contact terminals are arranged in three rows on the same bottom surface of the card insertion portion, the signal lines connected to these first, second and third contact terminals are routed. Is simple. This makes it possible to keep production costs low.

  The first guide wall for guiding the first card is disposed on the inner side and the upper side of the second guide wall for guiding the second card, and the second guide wall for guiding the second card is provided by the third By arranging the card on the inner side and the upper side of the third guide wall for guiding the card, the width direction of each card can be guided, and the upper surface of the first card is in the mounting space with respect to the upper surface of the second card. Since the upper surface of the second card is shifted to the upper side of the mounting space with respect to the upper surface of the third card, it is necessary to guide the upper surface of each card. It can be performed from the insertion port to the back side, and the first, second and third cards can be smoothly guided by these.

  Further, it is possible to reduce friction caused by friction between the first card and the third and second contact terminals when the first card is inserted, and the second card and the second card when the second card is inserted. Rubbing due to friction with the three contact terminals can be reduced. Thereby, the wear of the first and second cards can be suppressed, and a highly reliable device can be obtained.

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

[First card used in this embodiment]
1A and 1B are diagrams showing a first card used in the present embodiment, where FIG. 1A is a rear view, FIG. 1B is a right side view, FIG. 1C is a right cross-sectional view, and FIG. FIG.

  As shown in FIG. 1, in the first card 1 of, for example, three types of cards used in this embodiment, the upper surface 1a that is the upper side when inserted forms a smooth surface, and the front end 1c is formed on the back surface 1b. A first external contact portion 1d used for signal transmission / reception is provided in the vicinity. The length dimension L11 of the first card 1 is relatively long, the width dimension L12 is relatively short, and the thickness dimension L13 is relatively thick.

[Second card used in this embodiment]
2A and 2B are diagrams showing a second card used in this embodiment. FIG. 2A is a rear view, FIG. 2B is a right side view, FIG. 2C is a right sectional view, and FIG. FIG.

  As shown in FIG. 2, the second card 2 used in this embodiment also has a top surface 2a that forms a smooth surface, and a back surface 2b that is used for signal transmission and reception near the front end 2c. 2d. In addition, a write portion that has a tapered portion 2e on one side of the front end portion 2c and prohibits writing to the second card 2 on a side portion opposite to the side portion on which the tapered portion 2e is provided. A protective sliding portion 2f is provided. In the state shown in FIG. 2A, the sliding portion 2f housed in a predetermined position is pulled out and is in a write-inhibited state.

  The length dimension L21 of the second card 2 is set shorter than the length dimension L11 of the first card 1 described above, the width dimension L22 is larger than the width dimension L12 of the first card 1, and is set wider. The thickness dimension L23 is small and set to be thin.

[Third card used in this embodiment]
3A and 3B are views showing a third card used in the present embodiment, wherein FIG. 3A is a rear view, FIG. 3B is a right sectional view, and FIG. 3C is a rear view.

  As shown in FIG. 3, the third card 3 used in the present embodiment also has a smooth upper surface, and a third external contact portion 3d used for signal transmission and reception near the front end 3c on the back surface 3b. It has. The length dimension L31 of the third card 3 is set shorter than the length dimension L21 of the second card 2, and the width dimension L32 is set larger than the width dimension L22 of the second card 2 and wider. The thickness dimension L33 is smaller than the thickness dimension L23 of the second card 2, and is set to be thinner.

[Basic configuration of this embodiment]
4A and 4B are diagrams showing the configuration of the present embodiment when the slide member is held at the initial position. FIG. 4A is a plan view, FIG. 4B is a right sectional view, and FIG. 4C is a left sectional view. (D) is a front view. 5A and 5B are diagrams showing the configuration of the present embodiment when the slide member is held at a predetermined card mounting position. FIG. 5A is a plan view, FIG. 5B is a right side sectional view, and FIG. It is left side sectional drawing, (d) It is a front view.

  As shown in FIGS. 4 and 5, the present embodiment includes a housing 4 having a card insertion portion 4 h into which the first card 1, the second card 2, and the third card 3 can be mounted. On the bottom surface 4g of the housing 4, the first contact terminals 5, the second contact terminals 6, and the third contact terminals 7 are arranged in three rows along the card insertion direction.

  The first contact terminal 5 is disposed at the rear side position of the housing 4 and can contact the first external contact portion 1 d of the first card 1. The second contact terminal 6 is disposed at the center position of the housing 4 and can contact the second external contact portion 2 d of the second card 2. The third contact terminal 7 is disposed at the front side position of the housing 4 and can contact the third external contact portion 3 d of the third card 3.

  As shown in FIGS. 4C and 5C, the protruding end portion 5b of the first contact terminal 5 from the housing 4 and the protruding end portion 6b of the second contact terminal 6 from the housing 4 are provided. Is protruded rearward from the back side position of the housing 4. Further, the projecting end portion 7 b of the third contact terminal 7 from the housing 4 is projected forward from the front position of the housing 4. Each of these projecting end portions 5b, 6b, and 7b has a flat plate portion located on substantially the same plane, and can be soldered to a predetermined substrate (not shown) via these flat plate portions and the like. .

  Each of the first, second, and third contact terminals 5, 6, and 7 is supported in a cantilever shape on the bottom surface 4 g of the card insertion portion 4 h of the housing 4. Each of the first, second and third contact terminals 5, 6 and 7 protrudes upward from the free end side and corresponds to the first, second and third cards 1, 2 and 3, respectively. Projections 5a, 6a, and 7a that are in contact with the first external contact portion 1d, the second external contact portion 2d, and the third external contact portion 3d are formed. The width dimensions of the protrusions 5a, 6a and 7a of the first, second and third contact terminals 5, 6 and 7 are as shown in FIG. 4 (a) and FIG. 5 (a). Further, the width dimension of the protrusion 7a of the third contact terminal 7 is set to be the smallest. Further, the width dimension of the protrusion 6a of the second contact terminal 6 is set to the next smallest, the width dimension of the protrusion 5a of the first contact terminal 5 is the largest, that is, the width dimension of the protrusion 6a of the second contact terminal 6 It is set larger than.

  The position where the first contact terminal 5 is arranged constitutes a predetermined first mounting position where the first card 1 is held so that signals can be transmitted to and received from the first card 1. Similarly, the position where the second contact terminal 6 is arranged constitutes a predetermined second mounting position where the second card 2 is held so that transmission / reception of signals to / from the second card 2 is possible, and the third contact terminal The position where 7 is arranged constitutes a predetermined third mounting position where the third card 3 is held so that signals can be transmitted to and received from the third card 3.

  The present embodiment further includes a pressing member that pushes down the second contact terminal 6 and the third contact terminal 7 when the first card 1 is inserted, and pushes down the third contact terminal 7 when the second card 2 is inserted. Yes. For example, as shown in FIGS. 4 (a) and 4 (c) and FIGS. 5 (a) and 5 (c), the push-down member includes a first push-down member 8 located near the center of the apparatus, and the front side of the apparatus. And a second push-down member 9 located at the position.

  The first push-down member 8 has a hole 8a into which each of the protrusions 6a of the second contact terminal 6 is inserted, and is rotatable about a rotation fulcrum 8b. The second push-down member 9 has a hole 9a into which each of the protrusions 7a of the third contact terminal 7 is inserted, and is rotatable about a rotation fulcrum 9b. When the first card 1 is inserted, the second push-down member 9 pivots downward about a pivot fulcrum 9 b pivotally supported by the housing 4, and the first push-down member 8 pivots pivotally supported by the housing 4. The second and first push-down members 9 and 8 rotate downward around the fulcrum 8b, and the third contact terminal 7 and the second contact terminal 6 are pushed down against their own spring force. It is done. In this state, the first card 1 is inserted. When the second card 2 is inserted, the second card 2 causes the second push-down member 9 to pivot downward about the pivot fulcrum 9b, and the second contact member 7 holds the third contact terminal 7 by itself. It is pushed down against the spring force. In this state, the second card 2 is inserted. Note that when the third card 3 is inserted, neither the second push-down member 9 nor the first push-down member 8 is set to rotate. Therefore, neither of the third and second contact terminals 7 and 6 is pushed down.

  6A and 6B are diagrams showing a slide member provided in the present embodiment, wherein FIG. 6A is a plan view, FIG. 6B is a right side view, FIG. 6C is a left side view, and FIG. 6D is a front view. (E) The figure is a rear view. FIG. 7 is an enlarged view of the front view of the present embodiment shown in FIG. 4 described above. FIG. 8 is a view showing a heart cam groove formed in a slide member provided in the present embodiment. 9A and 9B are diagrams showing the lock mechanism provided in the present embodiment. FIG. 9A is a plan view showing the lock mechanism when the slide member is held at the initial position, and FIG. It is a top view which shows the locking mechanism when hold | maintaining in a position.

  Next, a card guide part and a card ejection mechanism provided in the present embodiment will be described based on FIGS. 6 to 9 and FIGS.

[Card Guide]
In the present embodiment, as shown in FIG. 7 which is an enlarged view of FIG. 4D, a first guide wall 4b for guiding the first card 1 is provided on the side portion of the insertion port 4a of the housing 4. In addition, as shown in FIGS. 4A and 5A, a side wall of the card insertion portion 4h is provided with a fifth guide wall 4f for guiding the first card 1. The first guide wall 4b and the fifth guide wall 4f constitute a first guide part that guides the first card 1 to the card insertion part 4h.

  Further, as shown in FIG. 7, a second guide wall 4 c and a fourth guide wall 4 e for guiding the second card 2 are provided in the insertion port 4 a portion of the housing 4. The second guide wall 4c and the fourth guide wall 4e constitute a second guide part that guides the second card 2 to the card insertion part 4h.

  Further, as shown in FIG. 7, the insertion opening 4a portion of the housing 4 is provided with a third guide wall 4d for guiding the third card 3 and the aforementioned fourth guide wall 4e. The third guide wall 4d and the fourth guide wall 4e constitute a third guide portion that guides the third card 3 to the card insertion portion 4h.

  Further, as shown in FIG. 7 and the like, the distance between one side of the first guide wall 4b and the third guide wall 4d closer to the one side, and the other side of the first guide wall 4b and the other side. The distance between the third guide wall 4d and the third guide wall 4d is different, the distance between one side of the second guide wall 4c and the third guide wall 4d closer to the one side, and the second guide wall 4c. The distance between the other side and the third guide wall 4d closer to the other side is a different distance.

  As described above, in the present embodiment, the first guide wall 4b that guides the first card 1, the second guide wall 4c that guides the second card 2, and the third card 3 are guided to one insertion port 4a. The second guide walls 4c are arranged on both sides on the outer side in the width dimension direction from the arrangement position of the first guide walls 4b, as shown in FIG. The third guide walls 4d are arranged on both sides on the outer side in the direction of the width dimension from the arrangement position of the guide wall 4c, and the first guide is located above the second guide wall 4c in the direction of the thickness dimension. The wall 4b is arranged, and the third guide wall 4d is arranged on the lower side in the thickness dimension direction than the second guide wall 4c. Further, as shown in FIG. 7, at the card insertion opening 4a, the first guide wall 4b, the second guide wall 4c and the third guide wall 3a are within the thickness dimension of the first card 1 and the width dimension of the third card 3. A guide wall 4d is formed.

[Card ejection mechanism]
The present embodiment includes a card discharge mechanism that discharges the first, second, and third cards 1, 2, and 3 in the card discharge direction, that is, in the direction of the insertion slot 3a. As shown in FIGS. 4A and 5A, the card discharge mechanism is slidable in the card insertion / removal direction, and the first, second, and third cards 1, 2, and 3. A slide member 10 that pushes the slide member 10 in the card discharge direction, a biasing member 11 that biases the slide member 10 in the card discharge direction, and the slide member 10 against a biasing force of the biasing member 11 at a predetermined card mounting position. And a locking mechanism to be described later.

  As shown in FIG. 6A, the slide member 10 includes a first contact portion 10a that contacts the front end 1c of the first card 1 and a second contact that contacts the tapered portion 2e of the second card 2. A contact portion 10b and a third contact portion 10c with which the front end portion 3c of the third card 3 contacts are provided. Further, as shown in FIG. 6B, the receiving portion 10d that supports the biasing member 11 described above is provided.

  The first contact portion 10a is formed at the back side position of the slide member 10, and the second contact portion 10b is formed at the position of the slide member 10 on the near side of the first contact portion 10a. The contact portion 10c is formed at the position of the slide member 10 on the nearer side than the second contact portion 10b.

  Further, the lock mechanism described above includes a heart cam groove 12 and a lock member 13 that slides in the heart cam groove 12 as shown in FIG. As shown in FIG. 8, the heart cam groove 12 is formed in the slide member 10, and has a forward path 12a and a return path 12b, and a lock portion 12c located at the boundary between the forward path 12a and the return path 12b. As shown in FIG. 9, the lock member 13 includes a slide pin 13 b that is supported by the housing 4 so as to be swingable, and that slides on the heart cam groove 12 at the free end.

[Other configurations]
As shown in FIG. 4A and FIG. 5A, the present embodiment includes a detection switch 14 for a write protector that detects a write prohibition process for the second card 2. The detection switch 14 includes an operating piece 14a that is pressed by the above-described sliding portion 2f of the second card 2 and a contact member 14b that can contact and separate from the operating piece 14a. The position of the detection switch 14 is set so as not to operate when the first card 1 and the third card 3 are inserted, for example. As shown in FIGS. 4 and 5, a position on the back side of the predetermined third arrival position of the third card 3 and the outer side in the width direction of the predetermined first mounting position of the first card 1. The detection switch 14 for the second card 2 is arranged at the position.

  FIG. 10 is a view showing a state where a card is mounted at a predetermined card mounting position according to the present embodiment, and FIG. 10A is a side sectional view showing a state where the first card is mounted at a predetermined first mounting position. (B) The figure is a sectional side view showing a state where the second card is mounted at a predetermined second mounting position, and (c) is a side sectional view showing the state where the third card is mounted at a predetermined third mounting position. FIG.

  As shown in FIG. 10A, in the state where the first card 1 is mounted at the predetermined first mounting position, the first external contact portion 1d of the first card 1 is embedded in the housing 4. Contact with the protrusion 5a of the contact terminal 5 enables transmission / reception of signals to / from the first card 1. As shown in FIG. 10B, in the state where the second card 2 is mounted at the predetermined second mounting position, the second external contact portion 2 d of the second card 2 is embedded in the housing 4. The projection 6a of the contact terminal 6 is contacted, and signals can be transmitted / received to / from the second card 2. As shown in FIG. 10 (c), in a state where the third card 3 is mounted at the predetermined third mounting position, the third external contact portion 3 d of the third card 3 is embedded in the housing 4. The projection 7a of the contact terminal 7 is contacted, and signals can be transmitted / received to / from the third card 3.

[Inserting / ejecting the first card]
11A and 11B are diagrams showing an initial state when the first card is inserted into the present embodiment. FIG. 11A is a plan view, FIG. 11B is a right sectional view, and FIG. 11C is a left sectional view. d) The figure is a front view. 12A and 12B are views showing a state in which the first card inserted in the present embodiment is mounted at a predetermined first mounting position. FIG. 12A is a plan view, FIG. 12B is a right side sectional view, and FIG. The figure is a left sectional view, and FIG.

  When the first card 1 which is the longest, narrow and thick among the three types of cards is inserted from the insertion port 4a of the housing 4 shown in FIGS. 11 (a) and 11 (d), the first card 1 is The card is inserted into the card insertion portion 4h while being guided by the first guide wall 4b of the insertion slot 4a and the fifth guide wall 4f of FIG.

  During this time, the back surface 1b of the first card 1 engages with the second push-down member 9 and the second push-down member 9 rotates downward, and the third contact terminal 7 is pushed down by the second push-down member 9. Next, the back surface 1b of the first card 1 engages with the first push-down member 8 and the first push-down member 8 rotates downward, and the second contact terminal 6 is pushed down by the first push-down member 8. Thus, the smooth insertion operation of the 1st card | curd 1 is implemented by pushing down the 3rd, 2nd contact terminals 7 and 6 by the 2nd, 1st pushing-down members 9 and 8. FIG.

  Further, when the first card 1 is pushed in, as shown in FIG. 11A, the front end portion 1c of the first card 1 is engaged with the first contact portion 10a of the slide member 10, and this first card 1 is engaged. The slide member 10 slides toward the back side of the apparatus against the urging force of the urging member 11 through the contact portion 10a.

  The heart cam groove 12 formed in the slide member 10 moves toward the back of the apparatus integrally with the sliding of the slide member 10. As a result, the slide pin 13b of the lock member 13 relatively moves on the forward path 12a of the heart cam groove 12 shown in FIG.

  As shown in FIGS. 12A and 12C, the first card 1 is pushed to a predetermined first mounting position where the first external contact portion 1 d contacts the protrusion 5 a of the first contact terminal 5. Then, the slide pin 13b of the lock member 13 is engaged with the lock portion 12c of the heart cam groove 12 shown in FIG. Thereby, the slide member 10 is locked in a state where the first card 1 is held at the predetermined first mounting position. In this state, transmission / reception of signals to / from the first card 1 becomes possible.

  Note that, when the first card 1 is inserted, the first card 1 does not activate the detection switch 14.

  Further, when the first card 1 is ejected from the state where the first card 1 is held at the predetermined first mounting position as described above, an operation of slightly pushing the first card 1 into the apparatus back side again is performed. Done. As a result, the slide member 10 overstrokes, and the slide pin 13b of the lock member 13 is detached from the lock portion 12c of the heart cam groove 12 along with this. Therefore, the slide member 10 slides in the direction of the insertion port 4a by the biasing force of the biasing member 11, and the first card 1 is pushed out by the slide member 10, and the state shown in FIGS. 11 (a) and 11 (b). Return to. During this time, the slide pin 13b of the lock member 13 slides relatively on the return path 12b of the heart cam groove 12 shown in FIG. In the state shown in FIG. 11, the first card 1 can be easily removed from the housing 4 by gripping the end of the first card 1.

  The first card 1 is pulled out, and the first and second push-down members 8 and 9 are rotated upward by the spring force of the second and third contact terminals 6 and 7 to return to the initial form. To do.

[Second card insertion / ejection operation]
FIG. 13 is a diagram showing an initial state when the second card is inserted into the present embodiment, wherein (a) is a plan view, (b) is a right side sectional view, (c) is a left side sectional view, d) The figure is a front view. 14A and 14B are views showing a state in which the second card inserted in the present embodiment is mounted at a predetermined second mounting position, where FIG. 14A is a plan view, FIG. 14B is a right side sectional view, and FIG. 14C. The figure is a left sectional view, and FIG.

  As shown in FIGS. 13A and 13D, the second card 2 having an intermediate length among the three types of cards and wider and thinner than the first card 1 is inserted into the insertion slot of the housing 4. When inserted from 4a, the second card 2 is inserted into the card insertion portion 4h while being guided by the second guide wall 4c and the fourth guide wall 4e of the insertion port 4a.

  During this time, the back surface 1 b of the second card 1 engages with the second push-down member 9, and the second push-down member 9 rotates downward, and the third contact terminal 7 is pushed down by the second push-down member 9. Therefore, a smooth insertion operation of the second card 2 is performed.

  Further, as shown in FIG. 13A, the operation piece 14a of the detection switch 14 is displaced by being pressed by the side edge portion of the second card 2, and the operation piece 14a comes into contact with the contact member 14b. As a result, the detection switch 14 is activated.

  When the second card 2 is further pushed in, the tapered portion 2e of the second card 2 is engaged with the second contact portion 10b of the slide member 10 as shown in FIG. The slide member 10 slides toward the back side of the apparatus against the urging force of the urging member 11 through the contact portion 10b.

  The heart cam groove 12 formed in the slide member 10 moves toward the back of the apparatus integrally with the sliding of the slide member 10. As a result, the slide pin 13b of the lock member 13 relatively moves on the forward path 12a of the heart cam groove 12 shown in FIG.

  As shown in FIGS. 14A and 14C, when the first external contact portion 2d of the second card 2 is pushed to a predetermined second mounting position where it contacts the protrusion 6a of the second contact terminal 6. The slide pin 13b of the lock member 13 is engaged with the lock portion 12c of the heart cam groove 12 shown in FIG. Thereby, the slide member 10 is locked in a state where the second card 2 is held at the predetermined second mounting position. In this state, transmission / reception of signals to / from the second card 2 becomes possible.

  In the state where the second card 2 is mounted in the predetermined second mounting position as described above, the sliding portion 2f of the second card 2 is pulled out as shown in FIG. 14 (a). In some cases, the sliding portion 2f of the second card 2 continues to press the operating piece 14a of the detection switch 14, the operating piece 14a and the contact member 14b come into contact with each other, and the detection switch 14 is held in the operating state. Thereby, it is detected that the write prohibition process for the second card 2 is being performed.

  Further, when the second card 2 is ejected from the state where the second card 2 is held at the predetermined second mounting position as described above, an operation of slightly pushing the second card 2 back into the apparatus back side is performed. Done. As a result, the slide member 10 overstrokes, and the slide pin 13b of the lock member 13 is detached from the lock portion 12c of the heart cam groove 12 accordingly. Accordingly, the slide member 10 slides in the direction of the insertion port 4a by the biasing force of the biasing member 11, and the second card 2 is pushed out by the slide member 10 to the state shown in FIGS. 13 (a) and 13 (b). Return. During this time, the slide pin 13b of the lock member 13 slides relatively on the forward path 12b of the heart cam groove 12 shown in FIG. In the state shown in FIG. 13, the second card 2 can be easily removed from the housing 4 by gripping the end of the second card 2.

  The operation piece 14a of the detection switch 14 is separated from the contact member 14b by the extraction operation of the second card 2, and the operation of the detection switch 14 is stopped. Further, the second push-down member 9 is rotated upward by the spring force of the third contact terminal 7 and returns to the initial form.

[Inserting / ejecting third card]
FIG. 15 is a diagram showing an initial state when the third card is inserted into the present embodiment, where (a) is a plan view, (b) is a right sectional view, (c) is a left sectional view, d) The figure is a front view. 16A and 16B are views showing a state in which the third card inserted in the present embodiment is mounted at a predetermined third mounting position, where FIG. 16A is a plan view, FIG. 16B is a right side sectional view, and FIG. The figure is a left sectional view, and FIG.

  When the third card 3 which is the shortest of the three types of cards and is wider and thinner than the second card 2 is inserted from the insertion port 4a of the housing 4 shown in FIGS. 15 (a) and 15 (d), The third card 3 is inserted into the card insertion portion 4h while being guided by the third guide wall 4d and the fourth guide wall 4e of the insertion port 4a.

  Further, when the third card 3 is pushed in, the front end portion 3c of the third card 3 is engaged with the third contact portion 10c of the slide member 10 as shown in FIG. The slide member 10 moves toward the back of the apparatus against the urging force of the urging member 11 via the abutting portion 10c.

  The heart cam groove 12 formed in the slide member 10 moves toward the back of the apparatus integrally with the sliding of the slide member 10. As a result, the slide pin 13b of the lock member 13 relatively moves on the forward path 12a of the heart cam groove 12 shown in FIG.

  As shown in FIGS. 16A and 16C, the third card 3 is pushed to a predetermined third mounting position where the third external contact portion 3d contacts the protrusion 5a of the third contact terminal 5. When this occurs, the slide pin 13b of the lock member 13 is locked to the lock portion 12c of the heart cam groove 12 shown in FIG. Thereby, the slide member 10 is locked in a state where the third card 3 is held at the predetermined third mounting position. In this state, transmission / reception of signals to / from the third card 3 becomes possible.

  Note that the third card 2 does not actuate the detection switch 14 when the third card 3 is inserted.

  Further, when the third card 3 is ejected from the state in which the third card 3 is held at the predetermined third mounting position as described above, an operation of slightly pushing the third card 3 into the apparatus back side again is performed. Done. As a result, the slide member 10 overstrokes, and the slide pin 13b of the lock member 13 is detached from the lock portion 12c of the heart cam groove 12 along with this. Therefore, the slide member 10 slides in the direction of the insertion port 4a by the biasing force of the biasing member 11, and the third card 3 is pushed out by the slide member 10 to the state shown in FIGS. 16 (a) and 16 (b). Return.

During this time, the slide pin 13b of the lock member 13 slides relatively on the return path 12b of the heart cam groove 12 shown in FIG. In the state shown in FIG. 16, the third card 3 can be easily removed from the housing 4 by gripping the end of the third card 3.

[Effect of this embodiment]
As described above, in the present embodiment, the first, second, and third contact terminals 5, 6 that contact the external contact portions 1d, 2d, 3d of the first, second, and third cards 1, 2, 3, respectively. , 7 are arranged in three rows on the bottom surface 4g of the card insertion portion 4h of the housing 4, and no contact terminals are provided on the top surface facing the bottom surface 4g. Thereby, the height dimension of the apparatus can be reduced, and the apparatus can be miniaturized. Since the first, second, and third contact terminals 5, 6, and 7 are arranged in three rows on the same bottom surface 4g of the card insertion portion 4h, the first, second, and third contact terminals 5 are provided. , 6 and 7 can be easily routed. This can reduce production costs.

  The first guide wall 4b for guiding the first card 1 is disposed on the inner side and the upper side of the second guide wall 4c for guiding the second card 2, and the second guide for guiding the second card 2 is provided. By arranging the wall 4c on the inner side and the upper side of the third guide wall 4d for guiding the third card 3, the width direction of the first, second, and third cards 1, 2, and 3 can be guided. . In addition, the upper surface of the first card 1 is shifted from the upper surface of the second card 2 upward in the mounting space, and the upper surface of the second card 2 is mounted with respect to the upper surface of the third card 3. Since the mounting is performed by shifting to the upper side of the space, the upper surfaces of the first, second, and third cards 1, 2, and 3 can be guided from the insertion port 4a to the back side. . Thus, the first, second, and third cards 1, 2, and 3 can be smoothly guided.

  Furthermore, since the second card 2 is guided in the width direction on the upper side in the mounting space with respect to the third card 3, the size of the lower surface of the second card 2 protruding to the lower side of the housing 4 is small. Thus, contact between the second card 2 and the third contact terminal 7 can be reduced, and the first card 1 is guided in the width direction on the upper side in the mounting space with respect to the second and third cards 2 and 3. By doing so, the dimension which the lower surface of the 1st card | curd 1 protrudes below the housing 4 decreases, and the contact with the 1st card | curd 1 and the 2nd contact terminal 6 and the 3rd contact terminal 7 is reduced. be able to. As a result, the wear of the first and second cards 1, 2, and 3 can be suppressed, and a highly reliable device can be obtained.

  In the present embodiment, the protruding end portions 5b, 6b, and 7b that protrude from the housing 4 of the first, second, and third contact terminals 5, 6, and 7 are located outside the bottom surface 4g of the housing 4. Therefore, soldering to a predetermined substrate (not shown) can be easily performed. That is, it can be easily mounted on a predetermined substrate. This also makes it possible to reduce production costs.

  Further, in the present embodiment, since the widths of the protrusions 7a and 6a of the third and second contact terminals 7 and 6 are relatively small, the first card 1 and the third card 3 when the first card 1 is inserted. The friction between the second contact terminals 7 and 6 can be reduced, and the friction between the second card 2 and the third contact terminal 7 can be reduced when the second card 2 is inserted. Can do. Thereby, the wear of the first and second cards 1 and 2 can be further suppressed, which contributes to the realization of a highly reliable device.

  In the present embodiment, when the first card 1 is inserted, the third and second contact terminals 7 and 6 are pushed down by the second and first push-down members 9 and 8, so that the first card 1 and the third and third contact terminals 7 and 6 are pushed down. Rubbing due to friction with the second contact terminals 7 and 6 can be further reduced. Further, when the second card 2 is inserted, the third contact terminal 7 is pushed down by the second push-down member 9 so that the friction caused by the friction between the second card 2 and the third contact terminal 7 can be further reduced. . These contribute to the suppression of wear of the first and second cards 1 and 2 and contribute to the realization of a more reliable device.

  Further, in the present embodiment, the first, second, and third cards 1, 2, and 3 are respectively formed by the first, second, and third contact portions 10a, 10b, and 10c of the slide member 10 and the biasing member 11. Each can be discharged. That is, the first, second, and third cards 1, 2, and 3 can be discharged through one slide member 10, and the card discharge mechanism can be simplified. Accordingly, the first, second, and third cards 1, 2, and 3 can be easily removed from the apparatus, the number of parts can be reduced, the manufacturing cost can be reduced, and the apparatus can be downsized.

  In the present embodiment, each of the first, second, and third contact portions 10a, 10b, and 10c is inserted in the slide member 10 in the insertion direction of the first, second, and third cards 1, 2, and 3. Since it only needs to be formed by shifting, a simple configuration can be achieved, which contributes to lower production costs.

  In the present embodiment, the lock mechanism for holding the slide member 10 in a predetermined mounting position is constituted by the heart cam groove 12 and the lock member 13 that are simple in structure as is well known, and this also reduces the production cost. Contribute to doing.

  The present embodiment also includes a write protection detection switch 14 for detecting a write prohibition process for the second card 2, and the detection switch 14 is arranged so as not to operate when the first and third cards 1 and 3 are inserted. It is. Thereby, the write prohibition function with respect to the 2nd card | curd 2 can be ensured, and the function of an apparatus can be improved.

It is a figure which shows the 1st card | curd used with one Embodiment of the connector device for cards which concerns on this invention, (a) A figure is a back view, (b) A figure is a right side view, (c) A figure is a right sectional drawing, (D) The figure is a rear view. It is a figure which shows the 2nd card | curd used by this embodiment, (a) A figure is a back view, (b) A figure is a right side view, (c) A figure is a right side sectional view, (d) A figure is a rear view. . It is a figure which shows the 3rd card | curd used by this embodiment, (a) A figure is a reverse view, (b) A figure is a right sectional view, (c) A figure is a rear view. It is a figure which shows the structure of this embodiment when a slide member is hold | maintained in the initial position, (a) A figure is a top view, (b) A figure is a right side sectional view, (c) A figure is a left side sectional view, (d The figure is a front view. It is a figure which shows the structure of this embodiment when a slide member is hold | maintained in the predetermined | prescribed card mounting position, (a) A figure is a top view, (b) A right side sectional view, (c) A left side sectional view (D) is a front view. It is a figure which shows the slide member with which this embodiment is equipped, (a) A figure is a top view, (b) A figure is a right side view, (c) A figure is a left side view, (d) A figure is a front view, (e) The figure is a rear view. It is the figure which expanded and showed the front view of this embodiment shown in FIG. It is a top view which shows the heart cam groove formed in the slide member with which this embodiment is equipped. FIG. 5 is a diagram illustrating a lock mechanism provided in the present embodiment, where FIG. (A) is a plan view showing the lock mechanism when the slide member is held at the initial position, and (b) is a diagram showing the slide member held at the card mounting position. It is a top view which shows the locking mechanism when being done. It is a figure which shows the state in which the card | curd was mounted | worn in the predetermined | prescribed card mounting position of this embodiment, (a) A side sectional view showing the state in which the 1st card was mounted in the predetermined 1st mounting position, (b) The figure is a side sectional view showing a state in which the second card is mounted at a predetermined second mounting position, and (c) is a side sectional view showing a state in which the third card is mounted at a predetermined third mounting position. . It is a figure which shows the initial state when a 1st card | curd is inserted in this embodiment, (a) A figure is a top view, (b) A figure is a right side sectional view, (c) A figure is a left side sectional view, (d) Figure Is a front view. FIG. 4 is a diagram showing a state in which the first card inserted in the present embodiment is mounted at a predetermined first mounting position, where (a) is a plan view, (b) is a right cross-sectional view, and (c) is a left side. Sectional drawing and (d) figure are front views. It is a figure which shows the initial state when the 2nd card | curd is inserted in this embodiment, (a) A figure is a top view, (b) A figure is a right side sectional view, (c) A figure is a left side sectional view, (d) Figure Is a front view. The figure which shows the state with which the 2nd card inserted in this embodiment was mounted in the predetermined | prescribed 2nd mounting position, (a) A figure is a top view, (b) A right side sectional view, (c) A figure is a left side Sectional drawing and (d) figure are front views. It is a figure which shows the initial state when the 3rd card | curd is inserted in this embodiment, (a) A figure is a top view, (b) A figure is a right side sectional view, (c) A figure is a left side sectional view, (d) Figure Is a front view. The figure which shows the state with which the 3rd card inserted in this embodiment was mounted | worn in the predetermined | prescribed 3rd mounting position, (a) A figure is a top view, (b) A right side sectional view, (c) A figure is a left side Sectional drawing and (d) figure are front views.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 1st card 1a Upper surface 1b Back surface 1c Front end part 1d 1st external contact part 2 2nd card 2a Upper surface 2b Back surface 2c Front end part 2d 2nd external contact part 2e Tapered part 2f Sliding part 3 3rd card 3a Upper surface 3b Back surface 3c Front end portion 3d Third external contact portion 4 Housing 4a Insertion port 4b First guide wall (first guide portion)
4c 2nd guide wall (2nd guide part)
4d 3rd guide wall (3rd guide part)
4e 4th guide wall (2nd guide part) (3rd guide part)
4f 5th guide wall (1st guide part)
4g Bottom surface 4h Card insertion part 5 First contact terminal 5a Protruding part 5b Protruding end part 6 Second contact terminal 6a Protruding part 6b Protruding end part 7 Third contact terminal 7a Protruding part 7b Protruding end part 8 First push-down member 8a Hole part 8b Rotating fulcrum 9 Second pressing member 9a Hole 9b Rotating fulcrum 10 Slide member 10a First abutting portion 10b Second abutting portion 10c Third abutting portion 10d Receiving portion 11 Energizing member 12 Heart cam groove (lock mechanism) )
12a Outward path 12b Return path 12c Lock part 13 Lock member (lock mechanism)
13a One end 13b Slide pin 14 Detection switch 14a Actuating piece 14b Contact member

Claims (9)

A first contact terminal having a card insertion portion having one insertion slot into which a first card, a second card, and a third card having different shapes can be selectively mounted and capable of contacting the external contact portion of the first card A second contact terminal capable of contacting the external contact portion of the second card, and a housing having a third contact terminal capable of contacting the external contact portion of the third card,
The second card has a shorter length dimension and a larger width dimension and a smaller thickness dimension than the first card, and the third card has a shorter length dimension and a larger width dimension and a larger thickness than the second card. The dimensions are smaller,
The first contact terminals, the second contact terminals, and the third contact terminals are arranged in three rows along the card insertion direction on the bottom surface of the card insertion portion, and the first contact terminals are positioned at the back side of the housing. The second contact terminal is disposed at a central position of the housing, the third contact terminal is disposed at a front position of the housing,
The one insertion slot includes a first guide wall for guiding the first card, a second guide wall for guiding the second card, and a third guide wall for guiding the third card, The second guide walls are arranged on both sides on the outer side in the direction of the width dimension from the arrangement position of the one guide wall, and the outer side in the direction of the width dimension from the arrangement position of the second guide wall. The third guide walls are disposed on both sides, the first guide wall is disposed above the second guide wall in the direction of the thickness dimension, and the thickness is larger than the second guide wall. A card connector device, wherein the third guide wall is disposed on the lower side in the dimension direction. In the invention of claim 1,
The projecting end portions of the first contact terminal and the second contact terminal from the housing are projected rearward from the back side position of the housing, and the projecting end portions of the third contact terminal from the housing. Projecting forward from the front position of the housing, and the projecting end portions of the first, second and third contact terminals are formed so as to be solderable to a predetermined substrate. Card connector device. In the invention according to claim 1 or 2,
Each of the first, second, and third contact terminals is supported in a cantilever shape on the bottom surface of the card insertion portion, and the free end sides of the first, second, and third contact terminals are directed upward. Having a protrusion protruding toward the
When inserting the first card, the second contact terminal and the third contact terminal are pressed down, and when inserting the second card, a pressing member is provided to press down the third contact terminal. A card connector device comprising a hole into which the protrusion of the second contact terminal and the protrusion of the third contact terminal are inserted. In the invention of claim 3,
The width of each of the protrusions of the first, second, and third contact terminals is the smallest, the width of the protrusion of the third contact terminal is the smallest, and the width of the protrusion of the second contact terminal is the next smallest. The card connector device, wherein the width dimension of the protrusion of the first contact terminal is set to be larger than the width dimension of the protrusion of the second contact terminal. In the invention according to any one of claims 1 to 4,
In the card insertion slot, the first guide wall, the second guide wall, and the third guide wall are formed within the thickness dimension of the first card and the width dimension of the third card. Card connector device. In the invention according to any one of claims 1 to 5,
A detection switch for the second card is located at a position on the back side of the predetermined third mounting position of the third card and on the outer side in the width direction of the predetermined first mounting position of the first card. A card connector device characterized by being arranged. In the invention according to any one of claims 1 to 6,
A card connector device comprising a guide wall for guiding the first card at a side portion of the card insertion slot. The invention according to claim 1, wherein the distance between one side of the first guide wall and the third guide wall closer to the one side, and the other side of the first guide wall and the closer to the other side. A card connector device, wherein the distance from the third guide wall is different. In the invention of claim 1,
The distance between one side of the second guide wall and the third guide wall closer to the one side, and the distance between the other side of the second guide wall and the third guide wall closer to the other side The card connector device is characterized in that the distance is different.

Images