JP4712856B2 - Memory card connector - Google Patents

Description

  The present invention relates to a memory card connector, and more particularly, to a memory card connector capable of storing a memory card between a housing and a metal cover by rotating a rotatable metal cover on a housing body.

The connector for the memory card can be ejected by manually removing the memory card from the opening, or it can be ejected by pressing a predetermined button after insertion, or the stored memory card is further ejected. There was a thing. Furthermore, the after mounting the memory card in place of the housings top, there is a type that covers the memory card to cover the housing upper surface by the housing and rotatable metal cover.

A conventional example in which the memory card is covered with a rotated metal cover is shown below.
6 is that not conventional connector for a memory card is represented. The memory card connector 100 can accommodate a memory card (not shown) having a plurality of conductive contacts, and the insulating housing 132 is provided with a plurality of conductive terminals 134. Further, a metal cover 138 is rotatably provided at the end of the insulating housing 132.
Metal cover 138 has a receptacle for accommodating a memory card, a contact on the insulative housing 132 with an open position and the contacts of the memory card that allows the memory card accommodated on the metal cover 138 to 134 engaged with that is formed to be able to take a closed position. Then, the metal cover 138, that are formed so as to be able to open and close pivoting is rotated between the closed and open positions.
Further, in order to attach the metal cover 138, the rotation locking portion 140 is provided between the metal cover 138 and the insulating housing 132 so as to be rotatable and slidable. The rotation locking portion 140 is formed by a receiving arm 142 at one end of the insulating housing 132 and a plate side arm 144 provided at one end of the metal cover 138.
The plate-side arm 144 is formed with a pivot protrusion 170 that protrudes inward toward the receiving arm 142 of the insulating housing 132. Further, the tab 172 as a second pivot projection is formed on the pivoting end of the metal cover 138 so as to face the plate-side arm 144, are made to project toward the respective pivot projections 1 70. Accordingly, two pairs of pivot projections are provided at the corners of the pivot ends of the metal cover 138, each pair comprising an inward pivot projection 170 and an outward tab 172.

The metal bracket 180 is attached around the receiving arm 142 of the insulating housing 132 in the state shown in FIG. Then, gold Shokubu racket 180, by plugged from the lower side of the hole a locking tab 180d to the through mounting holes 190, is attached from the lower side to each receiving arm 142. Then , the sliding socket 182a and the opening 182b of the inner wall 180b of the metal bracket 180 are aligned with the pivot recess 176a and the opening 176b on the inner surface of the receiving arm 142. Pivot socket 184a of the outer wall 180c of the bracket is received aligned with pivot recesses 174a and latch recess 1 74b of the outer surface of the arm 142. The pivot socket 184a is formed in a long hole shape, and the pivot protrusion 170 is movable in the pivot socket 184a. Further, the metal bracket 180 is provided with a sliding socket 182a provided with an opening 182b so as to face the pivot socket 184a. And the Y-shaped latch part 182c is provided in the opening upper end part of the sliding socket 182a. When the metal cover 138 is rotated and then slid into the sliding socket 182a, the tab 172 enters from the opening 182b, the tab 172 is locked in the sliding socket 182a, and the metal cover 138 rotates. To stop doing.
Thus, the rotation locking portion 140 rotatably metal cover 138 by interposing a metal bracket 180, and is and slidably formed.

The operation of the rotation and sliding of the metal cover 138 formed as described above, that is provided in the pivot socket 184a and the metal cover 138 side that will be drilled in the metal bracket 180 pivot projection 170 and the pivot state Take.
Then, attaching the memory card to the upper surface of the insulating housing 132. During mounting, the conductive contacts of the memory card is placed so as to face the plurality of contacts 134 that are provided in the insulating housing 132.
In this state, the metal cover 138 is rotated so as to cover the upper surface of the insulating housing 132. At this time, the pivot projections 170 which are rotatably engaged to the provided pivot socket 184a in the plate-side arm 144 of the metal cover 138 is rotated around.
When the metal cover 138 is coated with insulative housing 132 top rotates, by the operator presses the metal cover 138 to the insulative housing 132 side, the memory card pressing portion (not shown) with a spring force press to contact 134 side. At this time, the tab 172 is positioned in the opening 182b.

Further, with the metal cover 138 covering the upper surface of the insulating housing 132, the metal cover 138 is slid so that the tab 172 enters the pivot socket 184a from the opening 182b. The tab 172 then enters the pivot socket 184a from the opening 182b and is locked in the pivot socket 184a . In this condition, is prevented the rotation of the metal cover 138, memory card is insulative located between the housing 132 and the metal cover 138, yet pressure contact of the conductive contacts contact 134 of the memory card It is .
JP 2007-026918 A

However, in the above conventional example, the receiving arm 142 part which is a pivot for rotating the metal cover 138 is formed at both ends of the insulating housing 132, and the insulating housing 132 is between the pair of receiving arms 142. When the card connector 100 is downsized, the insulating housing 132 formed of synthetic resin is thinned . Therefore, there is a problem in that the insulative housing 132 an external force to the arm 142 portion receiving and like metallic cover 138 is lifted is applied is deformed metal cover 138 deviates. Accordingly, there is a problem that the size of the insulating housing 132 cannot be reduced in order to strengthen the insulating housing 132. Furthermore, there is a possibility that in momentum excess upon rotates the metal cover 138, a large excess external force receiving arm 142 portion is added, or cracked in the insulating housing 132 itself, resulting in or destroyed The problem was.

  In view of the above problems, the present invention makes it possible to provide a memory card connector that can be reduced in size and thickness, and that has sufficient mechanical strength at the hinge portion.

Therefore, the inventor of the present invention reviewed the structure of the housing in order to provide a memory card connector having a structure in which the metal cover serving as a cover is difficult to come off .

Memory card connector of the present invention is to expose the connection terminal portions of the contactor bets, the opposing rotating shaft hole at a position disposed at one end, is shaped is embedded in the hold-down plate for a printed circuit board fixed synthetic resin Ltd. and Haujin grayed of the connecting terminal portion and the contact portion of the memory card accommodated together the memory card and the Haujin grayed in contact, the coupled rotatably with the pivot shaft hole in the housing metal plates for opening and closing against, are formed by projecting so as to face each other in each of the pair of rotating shafts forming arms provided in the metal plate, oval or elliptical enters the rotary shaft hole comprising a rotation shaft projecting portion, and the pivot shaft hole includes a first hole of approximately the same width as the minor radial width of the rotating shaft butt section, the major axis over a width of the pivot shaft projection It is formed continuous and a second hole, Serial metal plate becomes a closed state covering the housing when the rotating shaft protrusion is positioned within the first hole, and the hold-down plates are connected over the width of the housing, rotating is bent to reinforce the periphery of the rotating shaft hole at the end bored a shaft hole forms a shank reinforcement plate portion, the Rukoto are integrally formed so that the intermediate portion is reinforced Haujin grayed Features .

The connector this memory card, when the metal plate is rotated becomes rotatable by position rotation axis projection of the metal plate to the second hole of the rotation shaft hole provided in the housing, the In the open state, the memory card is placed on the upper surface of the housing, and the metal plate is rotated to cover the housing, and then the metal plate is slid to move the rotation shaft protrusion to the position of the rotation shaft hole. Move to one hole. Then, since the rotation axis protrusion is slidable because the minor axis width coincides with the width direction of the second hole in the second hole, the rotation on the spot is hindered. The metal plate maintains the state of covering the upper surface of the housing . Their to, when removing the memory card, to slide moving the pivot shaft projection of the metal plate to the second hole side of the pivot shaft hole. Then, since the rotation shaft protrusion can rotate in the second hole, the metal plate can rotate freely and can be rotated so as to take the open state, and the memory card can be removed .

In this memory card connector, the reinforcing plate also serves as a hold-down for connecting the memory card connector to another electronic member such as a printed circuit board.

The connector this memory card, the middle portion of the hold-down plate are formed integrally embedded with the housing. Also, other parts are exposed on the housing surface (bottom surface) to form a hold-down.

  Therefore, according to the present invention, since the reinforcing plate is connected between the rotating shafts of the metal plate on the bottom surface side of the housing, the thinly formed housing is reinforced by the reinforcing plate, and when the metal plate is pulled. It has the effect that it is possible to prevent the housing from being deformed by the physical rigidity of the reinforcing plate. Further, the rotation shaft hole is formed by the first hole and the second hole, and the rotation shaft protrusion is configured so as not to be able to rotate in the first hole and only to be slidable, and to rotate in the second hole. Therefore, the metal plate is not easily opened when the metal plate is closed, and the memory card connector itself is reinforced by the rigidity of the metal plate when the lid is closed.

  Further, in the case where the reinforcing plate is formed of a hold-down plate, in addition to the above effects, the intermediate portion is formed integrally with the housing, so that the rigidity is further increased and a hold-down plate is additionally provided. There is an effect that the rigidity can be increased without any problems.

Hereinafter , embodiments will be described with reference to the drawings. Figure 1 is a diagram illustrating an example, (a) shows the perspective view when closed, (b) is a perspective explanatory view when opened, (c) is perspective from below Zudea Ru. 2, Ru perspective view der representing the housing. FIG. 3 is a perspective explanatory view showing the arrangement of contacts and hold-down plates. 4A and 4B show parts of the embodiment , wherein FIG. 4A is a plan view, FIG. 4B is a side view, FIG. 4C is a front view, FIG. 4D is a bottom view, and FIG. It is a center longitudinal cross-section explanatory drawing.

1 is a connector for a memory card. Memory card connector 1, as represented in FIG. 1 (a) ~ FIG 1 (c), it is provided a rotatable metal plate 3 at the end of the housing 2, represented in FIG. 1 (b) in the open state, placing the memory card (not shown) on the upper surface 2a of the housing 2, electrically connected to the memory card connector 1 using memory card to the metal plate 3 to the closed state. 1 (a) is a memory card connector 1 a perspective view when closed, Fig. 1 (b) is a perspective view of when the memory card connector 1 in the open state. Also, the contact portion (not shown) and the opposing position of the memory card MC in the upper surface 2a of the memory card connector 1, exposes a part of the contact 4 so as to protrude from the upper surface 2a with a spring force Provide.

Hereinafter, each part of the memory card connector 1 will be described . Housings 2 is formed of resin having insulation properties, it is integrally formed with the contact 4 and the hold-down plate 5 that is exposed to the upper surface 2a. Contact 4, a plurality arranged in a center of the housings 2, one end is fixed by the predetermined portion and soldered on PCB is exposed to out稍突from the bottom surface 2b of the housing 2 (not shown).

Metal plate 3, a thin plate-like metal plate Ru is formed by pressing. The metal plate 3 is provided with a rectangular plate body 31 so as to cover the upper surface of the housing 2 in the closed state, and a pair of opposing side edges of the plate body 31 is the same side as the lower surface side of the housing 2 when the housing 2 is covered. The plate side portion 32 is provided so as to be bent outward and to face the outside of the side surfaces 24a and 24b of the housing 2. Accordingly, the metal plate 3 is formed of a thin metal plate having a U-shaped cross-section that opens downward. Then, the plate body 31, the rotary shaft forming arms 33 from the plate portion 32 that is bent is Ru extends. Therefore, the rotary shaft forming arms 33 provided to the pair of plate portion 32 becomes to be formed opposite to each other. Further, the distal end side of the pivot shaft forming arms 33, Ru is rotated projection 34 so as to face each other is formed. Therefore, the rotation protrusion 34 protrudes inward so as to face the respective rotation axis forming arm portions 33. This rotation protrusion 34 becomes a pivot with respect to the housing 2. Further, the rotation protrusion 34 is formed long in the longitudinal direction of the rotation shaft forming arm portion 33, that is, in the direction along the side surface 24 of the housing 2. Therefore, the rotation protrusion 34 is projected in a shape obtained by rounding a rectangular short side into an arc shape, and is formed by a short diameter on the short side and a long diameter on the long side. When it enters a hole wider than the major axis, it can rotate, but when it enters the hole with the same shape or the minor axis side smaller than the major axis, it cannot rotate.

Further, the metal plate 3, the locking connection holes 35 for mechanical locking is Ru is bored so as to form an electrical connection engaged and hold down plate 5. Locking connection holes 35, in each plate portion 32, Ru is drilled so as to face substantially the center of the plate portion 32. Further plate portion 32 is the pivot shaft forming arms 33 of the locking connection holes 35 on the opposite side, a U-shaped groove 36 is Ru are formed by drilling. The groove portion 36, the plate body 31 of the plate portion 32 in Rukoto drilled to escape to the end on the opposite side, so as Hairikomeru is provided Rukakaritome protrusion the hold-down plate 5 is there.

As shown in FIG. 2 , the housing 2 has a rectangular plate shape, a shape in which the center is cut out, and is formed of an insulating resin. And the frame part 21 which is the periphery part of the housing 2 is formed so that the inside of the housing 2 may become one step lower by providing the step part 22 along the inner periphery. Also, the step portion 22 is not provided on one of the edges of the housing 2 and is formed low so as to be at the same level as the bottom portion of the step portion 22. formed to have a Jo, space 23 Hasamikomeru the memory card between said end edge of the metal plate 3 and the housing 2 covering the upper Ru is formed. Further in addition, the rotation end 26 side facing the edge provided with the space 23, the metal plate 3 are connected rotatably. That is, the housing 2, the side surface 24a there between the end opposite to the end provided with the space 23, the 24b, pivot shaft hole 25 metal plate 3 is locked rotatably is provided Ru. Kaidojikuana 25 is a side 24a, Ru provided formed in the same shape so as to face each to the opposite end side of the space 23 of 24b. Here, the rotation shaft hole 25 drilled in the side surface 24a will be described as an example.

Kaidojikuana 25, Ru is provided in a concave shape that is bent in an L-shape. That is, the rotation shaft hole 25 is long along the longitudinal direction of the side surface 24a from the space 23 side to the rotation end 26 side on the rotation end 26 side that is rotatably engaged with the metal plate 3 of the housing 2. a first hole 25a that is provided on the hole shape, and a second hole 25b that is provided by bending the lower surface 2b side rotating end 26 side of the first hole 25a. The first hole 25a is provided the width of the top surface 2a and the bottom surface 2b direction narrower than a wider diameter than the minor axis of the pivot projection 34 that is provided on the metal plate 3 Runode, metal plate 3 The rotation protrusion 34 is structured so that it cannot rotate in the first hole 25a. Further, in the Kaidojikuana 25, since up to the second hole 25b which follow the first hole 25a is longer bored than the major diameter of the pivot projections 34, that is provided in the metal plate 3 rotates although projection 34 is unable to metal plate 3 is rotating when being located in the first hole 25a, and slidable movement in the first hole 25a and the second hole 25b.

Thus, when the rotation protrusion section 34 of the metal plate 3 in Rukoto formed slidably move the rotation shaft hole 25, rotation protrusions 34 is positioned in the first hole 25a is Although the metal plate 3 cannot rotate around the rotation protrusion 34, when the rotation protrusion 34 is positioned in the second hole 25 b, the metal plate 3 is moved around the rotation protrusion 34. and out of the memory card and can be rotated becomes possible.

The contact 4 fixed to the housing 2 has the same structure as that of the prior art, and is formed by bending and bending a long and thin good conductor metal plate. And fixed to the housing 2. As shown in FIG. 3 and the like, the contact 4 has an intermediate portion 41 formed integrally with the housing 2, and one end thereof is positioned on the space 23 side of the housing 2 toward the lower surface 2 b side to be a printed circuit board (not shown). The solder fixing portion 42 is formed which is electrically connected to and fixed to other electronic members. This solder fixing portion 42 is positioned so as to protrude from the lower surface 2b of the housing 2 at the same level or slightly. Further, the end of the contact 4 opposite to the solder fixing portion 42 forms a connection terminal portion 43. Connection terminal portion 43, the memory card is to have a contact portion (not shown) can be electrically connected with good contact pressure spring force of the memory card is mounted to the housing 2, the upper surface of the housing 2 It is formed to be curved so as to protrude from 2a. The contact 4 is fixed is integrally formed a number necessary for connection to the memory card at the time of forming the housing 2. Note that the contact 4 is not different from the conventional contact 4, and it is sufficient if an appropriate number of contacts 4 are provided.

Similar to the contacts 4, a hold-down plate 5 is integrally fixed to the housing 2. The hold-down plate 5 is formed by pressing a metal plate, is formed in accordance with the shape of the frame portion 21 so as to be arranged along the periphery of the housing 2, and a predetermined location is located inside the housing 2. By being integrally formed, the metal rigidity of the hold-down plate 5 contributes to the housing 2, and a predetermined portion is exposed so as to protrude from the lower surface 2b and is soldered to a printed circuit board (not shown). It can be electrically connected and can be fixed . FIGS. 1 (a) as depicted in to FIG. 1 (c) and FIG. 2 or the like, the side surface 24a of the housings 2, the portion of is that the pivot shaft hole 25 provided in 24b, the frame of the housing 2 in the hold-down plate 5 side 24a of the deployed side along the section 21, by bending from the bottom surface 2b side along the 24b, the shaft reinforcement plate portion 51 Ru formed. The shaft portion reinforcing plate 51 parts is engageable reinforced hole 52 to the outside of the rotating shaft hole 25 of the housing 2 are bored. Accordingly, the reinforcing hole 52 is opened to be larger than the rotation shaft hole 25, and the peripheral portion of the rotation shaft hole 25 is projected from the side surfaces 24a and 24b in the housing 2, and the edge portion 27 is formed in a flange shape. is, enhancement holes 52 fitted is the edge 27 and the reinforcement holes 52 you reinforce the peripheral portion of the edge 27. Thus fitted a reinforcing holes 52 of the rim 27 and the hold-down plate 5 of the housing 2, the mechanical strength is a metal characteristics of the hold-down plate 5, the rotary shaft hole of the housing 2 with inferior intensity When the metal plate 3 is pivotally supported by the pivot protrusion 34, the pivot shaft hole 25, and the pivot, the reinforcing shaft hole 25 can be reinforced without being destroyed.

Further, the hold-down plate 5 is bent from the lower surface 2b side along the side surfaces 24a and 24b at the intermediate positions of the side surfaces 24a and 24b of the housing 2 in the same manner as the shaft portion reinforcing plate portion 51 , so that the plate fixing portion 53 is formed. Form. Plate fixing unit 53, Ru is provided as the metal plate 3 is a position facing the locking connection hole 35 of the metal plate 3 when the closed state so as to cover the upper surface 2a of the housing 2. Side 24a of the housing 2 to the position of the Plate fixing part 53, 25b portion is formed in a concave shape, the plate fixing unit 53 is provided so as to be exposed on the side surfaces 24a, 24b surface. Furthermore the plate fixing unit 5 3, provided protruding in the center. In this way, the plate fixing portion 53 is provided with a protrusion , so that the portion ( plate side portion 32 ) having the locking connection hole 35 of the metal plate 3 entering the locking connection hole 35 of the metal plate 3 has. It can be locked by force and is electrically connected.

Further, the hold-down plate 5 forms a hold-down portion 54 in which a plurality of predetermined portions are exposed to the lower surface 2b side of the housing 2 and grounds an electronic component such as a printed circuit board (not shown). The hold-down portion 54, in this embodiment, the lower surface 2b side of the shaft portion reinforcing plate portion 51 is erected, a substantially central portion between the shaft portion reinforcing plate portion 51, the space 23 side of the frame portion 21 And exposed to the lower surface 2b of the frame portion 21, respectively. Accordingly, the hold-down plate 5 is formed integrally with the housing 2 by bending the hold-down portion 54 to the lower surface side so that the hold-down portion 54 protrudes at the same level as the lower surface 2 b. In this embodiment, the hold down portion 54 is formed as described above. However, it is sufficient to provide the hold down portion 54 at an appropriate position according to the shape to be implemented.

Further, a reinforcement bent portion (see FIG. 5) in which the hold-down plate 5 is bent in an L shape so as to be parallel to the side surface of the housing 2 over the entire length in the frame portion 21 forming the side surfaces 24a and 24b. (Not shown), and a reinforcing bent portion (not shown) is similarly formed on the rotating end 26 side of the frame portion 21, and an L-shaped housing reinforcing portion is formed inside the frame portion 21. Thus, the housing 2 is further reinforced. Note that the hold-down plate 5, by providing the metal plate in a frame shape so as to connect the mutually reinforcing holes 52 provided on both sides between the rotating shaft hole 25 of at least the frame portion 21, rotating the metal plate 3 when allowed to, even if force acts as pulling a portion of Kaidojikuana 25 upward, the housing 2 is not easily deformed because it is reinforced by the hold-down plate 5, Kaido突metal plate 3 The problem that the part 34 is detached from the rotation shaft hole 25 can be solved.

  In the memory card connector 1 in the above embodiment, the contact 4 and the hold-down plate 5 are integrally formed with the housing 2 and fixed to the housing 2. However, a locking portion for the housing 2 is provided and fixed to the housing 2. You may form as follows.

The memory card connector 1 is formed Ru as described above, is rotated in a state where the rotation projection 34 of the metal plate 3 are positioned in the second hole 25b of the pivot shaft hole 25 that is provided in the housing 2, open large space 23 side, placing the memory card on the upper surface 2a by exposing the upper surface 2a of the housing 2. At this time, the contact portion of the memory card (not shown) is stepped portion 22 of the housing 2 so as to be positioned in the connecting terminal portions 43 of the contacts 4 is performing positioning of the memory card on the upper surface 2a. Where placing the memory card to a Jo Tokoro, to complete a good electrical connection between the memory card and the contact 4, a metal plate 3 closed so as to press the memory card from the top to the contact 4 side Rotate so that At this time, the rotation protrusion 34 of the metal plate 3 is located in the second hole 25b of the rotation shaft hole 25 and can be rotated.

When the metal plate 3 is rotated to cover the upper surface of the housing 2 , the major axis direction of the pivot projection 34 coincides with the major axis direction of the first hole 25 a and the minor axis direction of the pivot projection 34 is the first. since matches the minor axis of the hole 25a, the rotation protrusion section 34 enters into the first hole 25a is in the possible. Also, the groove 36 provided in the metal plate 3 when the rotation protrusion section 34 is positioned in the second hole 25b of the pivot shaft hole 25, hold-down plates that are located on the sides 24a, 24b of the housing 2 5, the plate fixing portion 53 enters the groove portion 36 when the upper surface 2 a of the housing 2 is covered . In this condition, sliding movement of the metal plate 3 to the space 23 side along the upper surface 2a of the housing 2. At this time, the rotation protrusion 34 is in a slidable state because the minor axis direction and the major axis direction coincide with the minor axis direction and the major axis direction of the first hole 25a.

When the rotation protrusion 34 enters the first hole 25a, the groove 36 of the metal plate 3 also moves, so that the plate fixing portion 53 of the hold-down plate 5 eventually pushes up the plate side portion 32 of the metal plate 3. The plate fixing portion 53 of the hold-down plate 5 enters the locking connection hole 35 by entering the lower side ( the side surface 24a side of the housing 2 in the plate side portion 32) and further sliding. At this time, the connection between the plate fixing portion 53 and the connection terminal portion 43 is such that the plate fixing portion 53 is pressed and connected by a spring force caused by a slight deflection of the plate side portion 32 of the metal plate 3 so that a good electrical connection can be obtained. Made. Of course, the metal plate 3 is also physically locked so that it does not slide easily and the rotation protrusion 34 does not move to the second hole 25b side of the rotation shaft hole 25 . Their to, metal plate 3, so are the plate fixing portion 53 electrically connected to the hold-down plate 5, can upon exchanging information with the memory card and the contact 4 exhibit good shielding effect and Become.

When removing the memory card is to release the connection between the plate fastener 53 and the locking connection holes 35 as the plate fixing unit 53 by sliding the metal plate 3 to pivot end 26 side is positioned in the groove 36. At this time, the rotation protrusion 34 enters the second hole 25b of the rotation shaft hole 25, so that the metal plate 3 is rotatable . In its This, it is rotated so away a free end which is opposite to the rotation shaft forming the arm portion 33 of the metal plate 3 from the upper surface 2a and in an open state. At this time, even if the operator rotates with too much force, the hold-down plate 5 reinforces the periphery of the rotation shaft hole 25 and is connected and reinforced between the left and right rotation shaft holes 25. In the hypothetical example, as shown in FIG. 5, there is a problem that the A portion is bent and the rotation shaft hole 25 of the housing 2 is distorted and the rotation protrusion 34 is detached from the rotation shaft hole 25. occured. However, in this embodiment, the hold-down plate 5 reinforces the periphery of the rotation shaft hole 25 and is connected between the left and right rotation shaft holes 25 and reinforces the housing 2. Such bending does not occur, and the problem that the metal plate 3 is detached from the housing 2 rarely occurs.

In the state where the rotation protrusion section 34 is housed between the housing 2 the memory card enters into the first hole 25a of the rotating shaft hole 25, the plate body 31 of the metal plate 3 is a memory card housing because pressing the 2 side, the contact portion of the connection terminal portion 43 and the memory card of the contact 4 (not shown) and it has become electrically connectable with good contact pressure, such a structure also conventional It is the same as, bending to the housing 2 side by the notch part of the plate body 31 in a U-shape, with a spring force possessed by the metal plate forming the plate body 31 to press the memory card to the housing 2 side Other methods may be used.

  The present invention can be applied to a memory card connector that attaches and detaches a memory card by opening and closing a metal plate, and is particularly effective when applied to a small memory card connector that is difficult to obtain mechanical strength.

Real施例is a view for explaining the (a) is a perspective explanatory view when closed (b) is a perspective explanatory view when opened, (c) is a perspective illustration from below Perspective view showing a part article of Example Perspective view showing the arrangement of parts of the real施例 Represents the real施例component (a) is a plan view, (b) is side view, (c) is a front explanatory view, (d) is a bottom diagram, the central longitudinal section of (e) is (a) Illustration Cross-sectional explanatory drawing showing the bending state of a virtual example Explanatory drawing showing a conventional example Explanatory drawing showing a conventional example

DESCRIPTION OF SYMBOLS 1 Memory card connector 2 Housing 2a Upper surface 2b Lower surface 21 Frame part 22 Step part 23 Space 24a Side surface 24b Side surface 25 Rotating shaft hole 25a 1st hole 25b 2nd hole 26 Rotating end 27 Edge 3 Metal plate 31 Plate body 32 Plate side portion 33 Rotating shaft forming arm portion 34 Rotating projection 35 Locking connection hole 36 Groove portion 4 Contact 41 Intermediate portion 42 Solder fixing portion 43 Connection terminal portion 5 Hold down plate 51 Shaft portion reinforcing plate portion 52 Reinforcing hole 53 Plate Fixed part 54 Hold down part

Claims (1)

Exposing the connection terminal portions of the contactor bets, the rotation shaft hole provided at a position facing at one end, and Haujin grayed made of a synthetic resin molded is embedded in the hold-down plate for a printed circuit board fixed,
The accommodating both the memory card and the Haujin grayed as the contact portion of the connection terminal portion and the memory card are in contact, the metal plating to open and close relative to said housing is pivotally connected by the pivot shaft hole And
Is formed by projecting so as to face each other in each of the pair of rotating shafts forming arms provided in the metal plate, and the rotation shaft projection of the elliptical shape or oblong shape enters the rotary shaft hole,
With
The pivot shaft hole includes a first hole of approximately the same width as the minor radial width of the rotating shaft impact portion, and the second hole of the major axis over a width of the pivot shaft protrusion is formed continuous,
The metal plate covers the housing when the pivot shaft protrusion is positioned in the first hole and is in a closed state,
The hold-down plates are connected over the width of the housing, it is bent so as to reinforce the peripheral portion of the rotating shaft hole at the end bored the pivot shaft hole forms a shank reinforcement plate portion, memory card Connectors, wherein Rukoto are integrally formed so that the intermediate portion is reinforced Haujin grayed.

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