JP3909438B2 - Case for memory card - Google Patents

Description

  The present invention is for memory cards that store memory cards such as compact flash (registered trademark of SanDisk Corporation, USA), smart media (registered trademark of Toshiba Corporation), memory stick (registered trademark of Sony Corporation), SD memory card, etc. It is about the case.

  An increasing number of electronic devices, such as digital cameras, digital video cameras, and digital recorders, use small memory cards to store data.

  Memory card cases are sold to carry and store these memory cards.

  In this conventional memory card case, it is desired that the memory card be accommodated because the memory card can be easily taken out.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a memory card case in which a memory card can be stored as it is easy to remove the memory card.

  Therefore, the present invention is a memory card case in which the tray 3 is attached in the case body 2 and the fitting recess 4 is formed in the tray 3 so that the memory card M can be stored in the fitting recess 4. In addition, a locking projection 42 that can lock the memory card M accommodated in the fitting recess 4 of the tray 3 is provided, and an extrusion button 41 is provided in a substantially central portion of the fitting recess 4 of the tray 3, and a case body The hole 2a is formed at a position corresponding to the push button 41 of 2 and the push button 41 is pushed from the bottom surface side of the case body 2 to release the lock between the memory card M and the lock protrusion 42 of the fitting recess 4. It was supposed to be.

  In this way, when the push button 41 is pressed, the memory card M pops out from the fitting recess 4 so that the memory card M can be easily taken out.

  In the present invention, the tray 3 is made of a conductive elastomer resin.

  In this way, the memory card can be prevented from being damaged by static electricity.

  In the present invention, an extrusion button 41 is provided at a substantially central portion of the fitting recess 4 of the tray 3, and a hole 2 a is formed at a position corresponding to the extrusion button 41 of the case body 2. If the memory card M and the locking protrusion 42 of the fitting recess 4 are unlocked by pressing 41, the memory card M will pop out of the fitting recess 4 when the push button 41 is pressed. The memory card M can be easily taken out, which is convenient and easy to use.

  Furthermore, in the present invention, if the tray 3 is made of a conductive elastomer resin, in addition to the above effects, the memory card can be prevented from being damaged by static electricity, and can be safely carried and stored. effective.

  An embodiment of the present invention will be described with reference to FIGS.

  1 is a front view of the memory card case of the present invention, FIG. 2 is a rear view, FIG. 3 is a plan view, FIG. 4 is a front view with the lid open, and FIG. 5 is a state with the lid open. FIG. 6 is a cross-sectional view taken along the line AA in FIG. 4, and FIG. 7 is an exploded perspective view.

  The memory card case of the present invention comprises a cover 1, a case made of a synthetic resin composed of a case main body 2 that is hinged so that the cover 1 can be freely opened and closed, and a conductive elastomer resin fitted into the case main body 2. A tray 3 is provided.

  This case is formed in the same size as a CD (compact disc) case, and fits in a commercially available CD case rack.

  The lid 1 is fitted with a hole 1a for fitting a round projection 30 formed in the center of the tray 3 and an oval projection 31 formed on the open end side and the side of the tray 3. A hole 1b is formed. Further, the round hole 1a of the lid 1 is a hole for pushing the tray 3 with a finger when the lid 1 is opened.

  A hole 2a is formed in the case main body 2 at a position corresponding to an extrusion button 41 of the tray 3 described later.

  Although the case body 2 and the tray 3 are not shown, the case body 2 and the tray 3 are fixed so that they cannot be easily disassembled by fitting the locking protrusions protruding from the case body 2 and the locking holes formed in the tray 3. Has been.

  The tray 3 is formed of a conductive elastomer resin so that the memory card to be stored is not damaged by static electricity. When carrying, the protrusions 30 and 31 of the tray 3 exposed from the holes 1a and 1b of the lid 1 are formed. It is in contact with the outside and acts as a ground to prevent electrification.

The tray 3 is formed with four fitting recesses 4 for storing the memory card, and an extrusion button 41 for taking out the memory card is formed at the center of the bottom of the fitting recess 4.
The push-out button 41 has a circular shape in plan view, and has a concentric bellows structure around it.
Select one of Compact Flash (registered trademark of SanDisk Corporation, USA), SmartMedia (registered trademark of Toshiba Corporation), Memory Stick (registered trademark of Sony Corporation), and SD memory card for this fitting recess 4 It can be stored. The types of memory cards described above are shown as an example, and can be changed so as to correspond to other memory cards. Other memory cards having the same contour shape may be used as an example. Is also included. (For example, Memory Stick and MG Memory Stick, SD Memory Card and Multimedia Card)
In this embodiment, four types of memory cards can be stored, but a plurality of types may be used, and the number of types that can be stored and the types of memory cards are not limited.

  The types and dimensions (length × width × thickness) of memory cards that can be stored in this embodiment are as follows.

Compact flash 36.4 × 42.8 × 3.3mm
SmartMedia 45 × 37 × 0.76mm
Memory Stick 21.5 × 50 × 2.8mm
SD memory card 24 × 32 × 2.1mm
In this embodiment, the portion 4a in the figure of the fitting recess 4 is an example of the contour shape of a smart media, and the portion of FIG. 4b is an example of the shape of a memory stick. The portion 4c shown in the figure represents the contour shape of a compact flash, and is inclined at about 45 ° to form a portion that does not overlap the two contour shapes.

  The depth of the fitting recess 4 in the portion corresponding to these three memory cards is formed in accordance with the thickest compact flash, and the inner surface of the portion corresponding only to each memory card has each memory A locking projection 42 for locking the card is provided.

  In the case of this embodiment, in order to correspond to the smallest SD memory card, the shape of the contour of the SD memory card is formed in the fitting recess 4 by lowering only this portion.

  As described above, the present invention does not preclude the implementation by separately forming a portion lowered by one step in the fitting recess 4.

  Further, when storing the thinnest smart media, it is also possible to provide the upper and lower locking projections 42 so as to overlap two in the same fitting recess 4.

  The above is the explanation of the configuration, and when this memory card case is used, it is as follows.

  The cover 1 of the memory card case is opened, and one of the four types of selected memory cards is inserted into the fitting recess 4 of the tray 3. At this time, the memory card enters over the locking projection 42.

  FIG. 8 is a cross-sectional view showing a state in which the smart media Msm is housed in the portion 4a of the fitting recess 4 that is shaped like the outline of the smart media Msm. 4, and the upper surface of the end portion of the smart media Msm is pressed by the locking projection 42 and stored. 8 shows a state where two pieces of smart media Msm are stacked and stored in the fitting recess 4.

  FIG. 9 is a cross-sectional view showing a state in which the memory stick Mms is stored in the portion 4b of the fitting recess 4 in the shape of the outline of the memory stick Mms. The memory stick Mms gets over the locking projection 42 and fits into the fitting recess 4 The upper surface of the end portion of the memory stick Mms is pressed by the locking projection 42 and stored.

  FIG. 10 is a cross-sectional view showing a state in which the compact flash Mcf is housed in a portion 4c of the fitting recess 4 in the shape of the contour of the compact flash Mcf. The compact flash Mcf is fitted by deforming the locking projection 42. The compact flash Mcf is inserted into the recess 4 and the side surface of the compact flash Mcf is held by the locking projection 42.

  FIG. 11 is a cross-sectional view showing a state in which the SD memory card Msd is housed in a portion 4d of the fitting recess 4 that is shaped like the outline of the SD memory card Msd. The SD memory card Msd deforms the locking projection 42. The SD memory card Msd is held by being pressed by the locking projections 42.

  In this embodiment, any of the four types of memory cards can be stored.

  Since the tray 3 is made of a conductive elastomer resin, the memory card is protected from static electricity generated by friction or the like in a bag while being carried.

  When opening the lid 1, the tray 3 is pushed and opened from the hole 1 a in the center of the lid 1. At this time, even if there is a potential difference between the human body and the memory card case, the tray 3 is made of a conductive elastomer resin, so that the potential difference between the human body and the memory card case is eliminated and the memory is removed. The card is prevented from being damaged by static electricity.

  When taking out the memory card from the fitting recess 4, a finger is inserted through the hole 2a of the tray 3 body and the push button 41 is pushed.

  Then, the bellows portion of the push button 41 extends to push the memory card, the memory card and the locking projection 42 of the fitting recess 4 are unlocked, and the stored memory card pops out from the fitting recess 4, so it is easy Can be taken out.

It is a front view of the case for memory cards of this invention. It is a rear view of the case for memory cards of this invention. It is a top view of the case for memory cards of this invention. It is a front view of the state which opened the cover body of the case for memory cards of this invention. It is a top view of the state which opened the cover body of the case for memory cards of this invention. It is AA sectional drawing of FIG. It is a disassembled perspective view of the case for memory cards of this invention. It is sectional drawing which shows the state which accommodated the smart media in the fitting recessed part of the case for memory cards of this invention. It is sectional drawing which shows the state which accommodated the memory stick in the fitting recessed part of the case for memory cards of this invention. It is sectional drawing which shows the state which accommodated the compact flash in the fitting recessed part of the case for memory cards of this invention. It is sectional drawing which shows the state which accommodated the SD memory card in the fitting recessed part of the case for memory cards of this invention.

Explanation of symbols

M memory card 2 case body 2a hole 3 tray 4 fitting recess 41 push button 42 locking projection

Claims (2)

  A memory in which a tray (3) is mounted in the case body (2) and a fitting recess (4) is formed in the tray (3), and a memory card (M) can be stored in the fitting recess (4). The card case is provided with a locking projection (42) capable of locking the memory card (M) stored in the fitting recess (4) of the tray (3), and the tray (3) is fitted. An extrusion button (41) is provided in the substantially central portion of the recess (4), and a hole (2a) is formed at a position corresponding to the extrusion button (41) of the case body (2), so that the bottom side of the case body (2) is formed. A memory card case, wherein the push-out button (41) is pushed to release the lock between the memory card (M) and the lock protrusion (42) of the fitting recess (4). 2. The memory card case according to claim 1, wherein the tray (3) is made of a conductive elastomer resin.

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