JP2015022324A - Card connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a card connector structured so that cards different by sizes are discriminated and any of the cards can be fitted to one card insertion slot without using a tray and an adapter.SOLUTION: A housing 20 and a cover 21 are arranged with a gap having a size approximately corresponding to one card, to constitute therebetween a connector storage body 56 so that any of at least two kinds of memory cards 51 and 52 different by sizes can be inserted from one card insertion slot 50. A slider 22 comprising a guide plate 34 is assembled in the connector storage body 56, and a card storage recess 55 is formed with the guide plate 34 and a side wall of the connector storage body 56. The card connector is so configured that the size of the card storage recess 55 can be changed in accordance with the sizes of the memory cards by moving the slider 22 while fitting projections 35 provided on the guide plate 34 to slide holes 42 provided on the slider 22.

Description

  The present invention relates to a card connector having a structure in which memory cards of different sizes can be identified and fitted with one card insertion slot without using a tray or an adapter.

Conventionally, in order to use a small memory card by fitting it into the same connector as a large memory card, the small memory card is fitted with a small recess in an adapter with the same shape as the large memory card. How to do was known.
Also, two types of trays with the same external shape are prepared: a tray with a small recess for fitting a small memory card and a tray with a large recess for fitting a large memory card. A method of using a different tray for each shape has been known.

  Furthermore, a method is also known in which memory cards of different sizes can be fitted into one tray (Patent Document 1). As shown in FIGS. 9A and 9B, the tray 11 has a small card storage recess 16 and a large card storage recess 15 in the upper and lower stages, and the large card storage recess 15 includes: A large memory card 12 is stored, and a small memory card 13 is stored in the small card storage recess 16. When the large memory card 12 is stored in the large card storage recess 15 of the tray 11 and fitted into the housing 10, it is connected to the large card connection terminal 18 inside the housing 10. Further, when the small memory card 13 is stored in the small card storage recess 16 of the tray 11 and fitted into the housing 10, it is connected to the small card connection terminal 19 inside the housing 10.

JP 2006-268773 A

The above-described conventional method of using an adapter has to be stored separately when the adapter is not used, which is troublesome to manage.
The method of using a tray for each memory card size requires storing a card size tray that is not used separately. In addition, it was necessary to replace the tray according to the card size to be used.
In the tray shown in FIG. 9 that can store two types of cards in one tray, a large card connection terminal 18 and a small card connection terminal 19 of different sizes must be provided inside the housing 10. The card requires parts of different sizes, increases the number of parts, and the structure that stores memory cards of different sizes in overlapping positions not only increases the thickness but also complicates the structure. there were.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a card connector having a structure in which cards of different sizes can be identified and fitted with one card insertion slot without using a tray or an adapter.

  In the card connector of the present invention, in order to insert the large-sized memory card 51, the housing 20 and the cover 21 are arranged with a gap corresponding to the thickness of the large-sized memory card 51 to constitute the connector housing body 56. The slider 22 including the guide plate 34 is incorporated into the connector storage body 56, a card storage recess 55 is formed by the guide plate 34 and the side wall of the connector storage body 56, and the protrusion 35 provided on the guide plate 34. Is inserted into a slide hole 42 provided in the cover 21, and the slider 22 is moved so that the card receiving recess 55 can be changed according to the size of the memory card.

  In order to enable insertion of two types of large memory card 51 and small memory card 52 having different widths and lengths, the slide hole 42 has a long hole that moves in the width direction and a long hole that moves in the length direction. It is characterized by a continuous substantially L-shape.

  A card storage recess 55 formed by the guide plate 34 and the side wall of the connector storage main body 56 is configured according to the minimum shape of the plurality of memory cards 51 and 52 having different widths and / or lengths, and is a large memory. When the card 51 is inserted, the slider 22 is moved against the spring 41, and when the large memory card 51 is removed, the slider 22 returns to its original position.

  A pull bar 23 is incorporated into the connector storage body 56 together with the slider 22, the pull-out portion 30 of the pull bar 23 is disposed at the tip of the card storage recess 55, and the memory card stored in the card storage recess 55 is inserted into the pull bar 23. It is characterized in that it is pulled out by a guide bar 31 and a puller 32.

According to the first aspect of the present invention, the housing and the cover are arranged with a gap of approximately one card so that at least two types of memory cards having different sizes can be inserted from the same card insertion slot. A connector housing body is constructed, a slider made of a guide plate is incorporated in the connector housing body, a card housing recess is formed by the guide plate and the side wall of the connector housing body, and a protrusion provided on the guide plate is formed. Since the slider is moved while fitting in a slide hole provided in the slider so that the card receiving recess can be changed according to the size of the memory card, the following effects are obtained.
(1) The housing and cover are arranged with a gap of approximately one card to form a connector housing body, and a slider made of a guide plate is incorporated inside, so the slider moves according to the size of the memory card. However, it can accommodate cards of different sizes. In addition, since one side of the card housing recess is formed from the side wall of the connector housing body, it is easy to set the electrode position, the stopper position, and the like inside the connector housing body. The side wall of the connector housing body may be a fixed structure or may be movable according to the shape and size of the memory card.
(2) The connector housing body is configured by arranging the housing and the cover with a gap of approximately one card so that at least two types of memory cards can be inserted from the same card insertion slot. The thickness of the main body can be reduced to approximately one card, and miniaturization that is not possible in the past becomes possible.
(3) Since the slider is moved while the protrusion provided on the guide plate is fitted in the slide hole provided on the slider, the position of the slider can be reliably changed to match the size of the memory card.
(4) Since it is not necessary to prepare an adapter or tray according to the size of the memory card, it is not necessary to store it separately and replace the tray according to the card size.
(5) The number of parts can be reduced and can be provided at low cost.

  According to the second aspect of the present invention, since the slide hole has a substantially L-shape in which the long hole moving in the width direction and the long hole moving in the length direction are continuous, it is only necessary to adjust the shape of the slide hole. Two types of memory cards with different widths and lengths can be inserted.

  According to the third aspect of the present invention, since the slide hole is a long hole that moves in the width direction, two types of memory cards having different widths can be inserted with a simple configuration of the slide hole.

  According to the invention described in claim 4, since the slide hole is a long hole that moves in the length direction, two types of memory cards having different lengths can be inserted with a simple configuration of the slide hole.

  According to the fifth aspect of the present invention, the card storage recess formed by the guide plate and the side wall of the connector storage body is configured in accordance with the minimum shape of the plurality of memory cards having different widths and / or lengths. Since the slider is moved against the spring when the large memory card is inserted, the slider can always be returned to the initial state when the memory card is removed.

  According to the sixth aspect of the present invention, the pull bar is incorporated in the connector housing body together with the slider, the pull-out portion of the pull bar is arranged at the tip of the card housing recess, and the memory card stored in the card housing recess is Since the pull bar is pulled out by the guide bar and the puller, the inserted memory card can be surely removed even if the connector housing body is made as small as possible.

1 is a perspective view showing a card connector according to an embodiment of the present invention with a cover removed. It is the elements on larger scale of the slider in FIG. It is a disassembled perspective view of the card connector by this invention. It is a perspective view of the state which removed the cover just before inserting a large sized memory card in the card connector by this invention. It is a perspective view of the state which removed the cover when a large-sized memory card is completely inserted in the card connector by this invention. It is a perspective view of the state which removed the cover just before inserting a small memory card in the card connector by this invention. It is a perspective view of the state which removed the cover when a small memory card is completely inserted in the card connector by this invention. (A) is explanatory drawing of the slide hole in Example 1, (b) is explanatory drawing of the slide hole inclined linearly, (c) is explanatory drawing of the slide hole of a linear horizontal direction, (d) ) Is an explanatory diagram of a linearly vertical slide hole, and (e) is an explanatory diagram of slide holes used for three types of cards having different widths and lengths. 1A and 1B show a conventional card connector, where FIG. 1A is an exploded perspective view, and FIG. 2B is a side view immediately before a tray is inserted into a housing 10.

  In the card connector of the present invention, the housing 20 and the cover 21 constitute a connector housing body 56. The connector housing body 56 is slightly larger than the large memory card 51, and the housing 20 and the cover 21 are arranged with a gap corresponding to the thickness of the large memory card 51. A slider 22 comprising a guide plate 34 is movably incorporated in the connector housing body 56, and a card housing recess 55 is formed by the guide plate 34 and the side wall of the connector housing body 56. While the protrusion 35 provided on the guide plate 34 is fitted into the slide hole 42 provided on the cover 21, the slider 22 is moved so that the card receiving recess 55 can be changed according to the size of the memory card. .

  In order to enable insertion of two types of large memory card 51 and small memory card 52 having different widths and lengths, the slide hole 42 has a long hole that moves in the width direction and a long hole that moves in the length direction. Let it be a continuous substantially L-shape.

  A card storage recess 55 formed by the guide plate 34 and the side wall of the connector storage main body 56 is configured according to the minimum shape of the plurality of memory cards 51 and 52 having different widths and / or lengths, and is a large memory. When the card 51 is inserted, the slider 22 is moved against the spring 41. When the large memory card 51 is removed, the slider 22 returns to its original position.

  A pull bar 23 is incorporated into the connector storage body 56 together with the slider 22, the pull-out portion 30 of the pull bar 23 is disposed at the tip of the card storage recess 55, and the memory card stored in the card storage recess 55 is inserted into the pull bar 23. The guide rod 31 and the puller 32 are used to pull it out.

Embodiment 1 of the present invention will be described below with reference to the drawings.
1 to 3, the card connector of the present invention includes a housing 20 and a cover 21 that form a connector housing body 56, and a slider 22 and a pull bar 23 housed inside the connector housing body 56. Yes.
The housing 20 is made of a flat insulating material. The housing 20 has a substantially rectangular shape slightly larger than the large memory card 51, and is surrounded by a side wall 26 slightly higher than the large memory card 51. A card insertion slot 50 is formed on the near side between the bottom face 24 and the cover 21. A plurality of contact electrodes 25 are provided on the upper surface of the bottom surface 24, and the lower surfaces of the large memory card 51 and the small memory card 52 are inserted when either the large memory card 51 or the small memory card 52 is inserted. It is provided in the position which contacts the electrode. A card abutting surface 48 with which the leading end of the large memory card 51 abuts is formed on the side wall 26 of the rear portion (depth portion). The pull bar 23 is slidably mounted and can be moved in the front-rear direction in the figure to the position of the stepped portion 49. A pull bar groove 28 in which the guide bar 31 of the pull bar 23 is movably fitted is formed along the left side wall 26. An extension plate 24a is integrally formed on the left side of the bottom surface 24, and a handle storage portion 29 into which the handle 32 of the pull bar 23 is fitted is formed at the front end of the extension plate 24a. An extension 24a is integrally provided on the left side of the housing 20 in the figure.

  The pull bar 23 is formed in an L shape by the drawing portion 30 and the guide rod 31, and a triangular plate portion 54 having the same shape as the card contact surface 48 is formed at a continuous inner corner of the drawing portion 30 and the guide rod 31. The end of the triangular plate portion 54 moves to a position where it contacts the stepped portion 49 of the side wall 26. A spring 33 is provided between the protruding piece 53 on the side surface of the pull bar 23 and a part of the housing 20, and the pull bar 23 is always pulled rearward (depth direction) by the spring 33. A handle 32 is integrally provided in the handle storage portion 29 at the front end of the guide bar 31.

  The slider 22 forms a guide plate 34 by a card front end contact plate 34a in contact with the front end portion of the memory card and a card side end contact plate 34b in contact with the side end portion of the memory card, and the card front end contact plate 34a and the card side end. A continuous inner corner of the contact plate 34 b is an inner contact surface 47 having the same shape as the card contact surface 48. A space above the bottom surface 24 constituted by the guide plate 34 and the right side wall 26 constitutes a card storage recess 55 shown in FIG. The card storage recess 55 is configured to store the small memory card 52 that is the smallest before the slider 22 moves. Protrusions 35 are provided at the end of the card front end contact plate 34a, the bent portion of the card front end contact plate 34a and the card side end contact plate 34b, and the end of the card side end contact plate 34b, respectively. An inclined guide surface 36 for inserting a card is provided at the inner end of the card side end contact plate 34b. An extension arm portion 38 extending outward at a right angle is integrally provided at an end portion of the card side end contact plate 34b. As shown in FIG. 2, a position holding plate 37 is provided below the extension arm portion 38, and the projection 44 of the position holding plate 37 is engaged with the slot 40 of the extension arm portion 38. The protrusion 43 of the extension arm 38 is engaged with the slot 39 of the holding plate 37, and a spring 41 is interposed between the extension arm 38 and the position holding plate 37. The position holding plate 37 is placed on the extension plate 24a, and is slidable in the front-rear direction (depth direction) in the drawing. The extension arm portion 38 and the slider 22 are moved to the left and right in the drawing with respect to the position holding plate 37. It is provided so as to be movable in the direction.

  The cover 21 is made of a thin metal plate or the like. Both side edge portions 21a and 21c and the rear edge portion 21b hang downward, open only at the front edge portion, and are positioned at the positions of the three protrusions 35 of the slider 22. Then, slide holes 42 are formed at three locations, these slide holes 42 are L-shaped holes, and the corners are slightly inclined. A notch 46 for a handle is formed in the handle storage portion 29 at the opening of the front edge.

In order to incorporate the pull bar 23 on the housing 20, the guide bar 31 is fitted into the pull bar groove 28 while the puller 32 is positioned in the puller accommodating part 29, and the drawer part 30 is placed on the pull bar sliding surface 27. . Then, the pull bar 23 is stopped at a position in contact with the rear side wall 26 by the spring 33.
After assembling the pull bar 23 on the housing 20, the slider 22 is put on the pull bar 23. Then, the guide plate 34 is positioned on the bottom surface 24, and the position holding plate 37 is positioned at the front end on the extension plate 24a.
Next, a cover 21 is placed on the housing 20 from above and fixed. Then, the guide plate 34 is urged to the right side of the drawing by the spring 41 and the three protrusions 35 are fitted into the horizontal hole portions of the three slide holes 42. At this time, a card insertion slot 50 is formed in the front part of the housing 20 and the cover 21.

Next, insertion and removal of the memory card will be described.
(1) In FIGS. 4 and 5 in which the cover 21 is omitted for convenience of explanation, the large memory card 51 is wider and longer than the small memory card 52.
As shown in FIG. 4, the large memory card 51 is inserted such that the electrodes are on the bottom surface. The card storage recess 55 inside the slider 22 is formed so that the small memory card 52 can be fitted therein and is narrower than the large memory card 51, so that the inclined surface of the large memory card 51 contacts the guide surface 36. . When the large memory card 51 is inserted while being in contact, the slider 22 moves laterally against the spring 41. As for the lateral movement of the slider 22, since the projection 35 is fitted in the lateral portion of the slide hole 42, the slider 22 first moves laterally and rides on the triangular plate portion 54 of the pull bar 23. When the protrusion 35 reaches the inclined portion of the slide hole 42, the slider 22 moves from the lateral movement to the diagonally forward direction. Along with this diagonally forward movement, the position holding plate 37 moves on the extension plate 24a. When the large memory card 51 is inserted into the card housing recess 55 and the tip of the large memory card 51 reaches the card tip contact plate 34a, the projection 35 reaches the vertical portion of the slide hole 42 as shown in FIG. The large-sized memory card 51 and the slider 22 are inserted and stopped until they reach the front side wall 26 together. In this state, the rear end of the large memory card 51 coincides with the card insertion slot 50, and the electrode of the large memory card 51 and the contact electrode 25 are electrically connected.

  When removing the large-sized memory card 51, the pull-out portion 30 is locked to the leading end of the large-sized memory card 51 when the pull-out 32 of the pull bar 23 facing the notch 46 is pulled out. The guide bar 31 slides in the pull bar groove 28, and the large memory card 51 pops out from the card insertion slot 50 as shown by the chain line in FIG. 5 against the spring 33, and the protruding portion is pulled out by hand. When the large memory card 51 is pulled out, the pull bar 23 is pulled back to the original position by the spring 33, and the slider 35 is moved by the force of the spring 41 through the inclined surface of the slide hole 42 as shown in FIG. Return to the state.

(2) The insertion and removal of the small memory card 52 will be described with reference to FIGS. 6 and 7 omitting the cover 21 for convenience of explanation.
As shown in FIG. 6, the small memory card 52 is inserted so that the electrodes are on the bottom surface. Since the width of the card storage recess 55 is configured to match that of the small memory card 52, the small memory card 52 is inserted without the inclined surface of the small memory card 52 coming into contact with the guide surface 36. At this time, the slider 22 does not move horizontally or vertically. When the small memory card 52 is inserted into the card storage recess 55 and the tip of the small memory card 52 reaches the card tip contact plate 34a, the small memory card 52 is inserted into the card storage recess 55 and stops as shown in FIG. . In this state, the rear end portion of the small memory card 52 coincides with the card insertion slot 50, and the electrode of the small memory card 52 and the contact electrode 25 are electrically connected.

  When removing the small memory card 52, the pull-out portion 30 is locked to the tip of the small memory card 52 by pulling out the pull 32 of the pull bar 23 facing the notch 46 for pulling. The rod 31 slides in the pull bar groove 28, and the small memory card 52 pops out from the card insertion slot 50 as shown by the chain line in FIG. 7 against the spring 33, and the protruding portion is pulled out by hand. When the small memory card 52 is pulled out, the state returns to the state of FIG.

In the above-described embodiment, the large memory card 51 and the small memory card 52 are illustrated as having different widths by x and lengths by y. For this reason, as shown in FIG. 8A, the slide hole 42 formed in the cover 21 is L-shaped, has an inclined surface in the middle, and the projection 35 moves from point a to point b. However, the shape of the slide hole 42 is not limited to this.
FIG. 8B shows an example in which the shape of the slide hole 42 is an oblique straight line when the large memory card 51 and the small memory card 52 are different in width by x and length by y. The shape of the slide hole 42 at this time may be arcuate.
FIG. 8C shows an example in which the slide hole 42 is a horizontal straight line when the large memory card 51 and the small memory card 52 differ in width by x and have the same length.
FIG. 8D shows an example in which the slide hole 42 is straight in the depth direction when the large memory card 51 and the small memory card 52 have the same width and differ in length by y.
FIG. 8E shows that the first large memory card and the second small memory card are different in width by x1 and length y1, and the second large memory card and the third small memory card have different widths. When x2 and the length are different by y2, an example in which the slide hole 42 moves from point a to point b and the one that moves from point b to point c are continuous so that it can support three types of memory cards. Show.

In the embodiment, the card storage recess 55 is constituted by the guide plate 34 and the right side wall 26 of the housing 20. However, the present invention is not limited to this, and the guide plate 34 and the right edge 21 a depending from the cover 21 may be used.
Further, in the case where the card storage recess 55 is constituted by the guide plate 34 and the right side edge portion 21a depending from the right side wall 26 or the cover 21 of the housing 20, the right side edge portion depending from the right side wall 26 or the cover 21 of the housing 20 is provided. Although 21a is fixed, it is not restricted to this, The guide board 34 and the right side edge part 21a hanging down from the right side wall 26 or the cover 21 of the housing 20 are movable according to the size and shape of the memory card. It may be a thing.

  DESCRIPTION OF SYMBOLS 10 ... Housing, 11 ... Tray, 12 ... Large memory card, 13 ... Small memory card, 14 ... Insertion slot, 15 ... Large card storage recess, 16 ... Small card storage recess, 17 ... Support, 18 ... Large Card connection terminal, 19 ... Small card connection terminal, 20 ... Housing, 21 ... Cover, 21a ... Side edge, 21c ... Side edge, 21b ... Rear edge, 22 ... Slider, 23 ... Pull bar, 24 ... Bottom surface, 25 ... Contact electrode, 26 ... Side wall, 27 ... Pull bar sliding surface, 28 ... Pull bar groove, 29 ... Puller housing part, 30 ... Puller part, 31 ... Guide bar, 32 ... Puller, 33 ... Spring, 34 ... Guide Plate, 35 ... projection, 36 ... guide surface, 37 ... position holding plate, 38 ... extension arm, 39 ... slot, 40 ... slot, 41 ... spring, 42 ... slide hole, 43 ... projection, 44 ... projection Part, 45 ... stopper, 46 Notch for pulling, 47 ... inner contact surface, 48 ... card contact surface, 49 ... stepped portion, 50 ... card insertion slot, 51 ... large memory card, 52 ... small memory card, 53 ... projecting piece, 54 ... Triangular plate portion, 55... Card storage recess, 56.

Claims (6)

  The connector housing body is configured by arranging the housing and cover with a gap of approximately one card so that at least two types of memory cards of different sizes can be inserted from the same card slot. A slider made of a guide plate is incorporated inside the main body, a card storage recess is formed by the guide plate and the side wall of the connector storage main body, and a protrusion provided on the guide plate is fitted into a slide hole provided in the slider. However, the card connector is configured such that the card storage recess can be changed according to the size of the memory card by moving the slider.   In order to enable insertion of two types of memory cards having different widths and lengths, the slide hole has a substantially L-shape in which a long hole moving in the width direction and a long hole moving in the length direction are continuous. The card connector according to claim 1.   2. The card connector according to claim 1, wherein the slide hole is a long hole that moves in the width direction so that two types of memory cards having different widths can be inserted.   2. The card connector according to claim 1, wherein the slide hole is a long hole that moves in the length direction so that two types of memory cards having different lengths can be inserted.   The card storage recess formed by the guide plate and the side wall of the connector storage body is configured to the minimum shape of a plurality of memory cards having different widths and / or lengths, and the slider is inserted when a large memory card is inserted. 5. The card connector according to claim 1, wherein the card connector is moved against a spring.   A pull bar is built in the connector housing body together with the slider, the pull-out part of this pull bar is arranged at the tip of the card storage recess, and the memory card stored in the card storage recess is pulled out by the guide bar and puller of the pull bar The card connector according to claim 1, 2, 3, 4, or 5.