JP2010049948A - Cf card slip-off preventing mechanism of portable device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent slip-off of a CF card varying in size and shape. <P>SOLUTION: A fastening insertion opening 22 is formed and one end of a fastening band 24 is attached near sides of the mounting slot 21 of a portable terminal 17. A fastening 25 is connected to the other end of the fastening band 24 to allow the adjustment of the length of the fastening band 24. The fastening 25 is provided with a lock bar 25a which projects integrally to prevent the fastening 25 from slipping off the insertion opening 22 due to the turning of the fastening 25. When a standard size CF card is put in the mounting slot 21, the fastening 25 is inserted into the insertion opening 22 and is turned via the lock bar 25a to bring the lock bar 25a into contact with an end of the CF card. When a CF card longer than the standard CF card is put in, the fastening 25 is inserted into the insertion opening 22 and is turned via the lock bar 25a, and the fastening band 24 is put around an end of the CF card to adjust the length of the fastening band 24. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a CF card retaining mechanism corresponding to a plurality of sizes and shapes of CF cards in portable devices.

  In a conventional portable device, a retaining mechanism for mounting a CF card, a PCMCIA card, or the like is as shown in FIGS. 6 (a) and 6 (b), for example. In FIG. 6A, reference numeral 1 denotes a mobile device, 2 denotes a card support portion provided in the mobile device 1, and 3 denotes a CF card inserted into the mobile device 1 and supported by the card support portion 2. Reference numeral 4 denotes a retaining portion of the CF card 3 formed by bending a sheet metal. The retaining portion 4 is attached to the portable device 1 by a male screw 5 to prevent the CF card 3 from coming out of the portable device 1. Yes. FIG. 6B shows a case where the CF card 6 has an extended portion, and the CF card 6 has a long and non-standard shape. In this case, two or more sheet metals are bent to form the retaining portion 7. The retaining portion 7 is attached to the portable device 1 with a male screw 8, and the CF card 6 is sandwiched by the retaining portion 7 to prevent the CF card 6 from coming out.

Note that prior art document information relating to the invention of this application includes the following.
Japanese Patent Laid-Open No. 9-223542

  By the way, there are two types of thicknesses of type 1 and type 2 in the standard of the CF card. FIG. 7A shows a type 1 CF card 10 having a small length in the mounting direction to the portable device 1 indicated by an arrow 9 and a small thickness, and is used for a memory or the like. FIG. 7B shows a type 2 CF card 11 having a small length in the mounting direction to the portable device 1 indicated by an arrow 9 and a large thickness. Further, as shown in FIG. 7C, there is also a CF card 12 in which an extension portion 12a is provided on a type 2 CF card, and the CF card 12 has a large length in the mounting direction to the portable device 1 indicated by an arrow 9. The extension part 12a has a large thickness and is used for mobile phone communication and the like. These CF cards 10 to 12 are prevented from coming out of the portable device 1 by a retaining mechanism comprising retaining portions 4 and 7 made of sheet metal and male screws 5 and 8 for attaching the retaining portions 4 and 7 to the portable device 1. The following problems occur. (1) Since the size of the CF card that can be mounted on the portable device 1 is determined by the size of the retaining mechanism, it is difficult to handle CF cards of different sizes. (2) The retaining mechanism requires a slide distance and a screwing space, and a space is required for installing the retaining mechanism. (3) In order to individually correspond to CF cards having different sizes, the variable cost of the sheet metal as a material becomes high. (4) The workability of screwing is poor. (5) A tool is required for screwing, and an excessive load may be applied to the CF card. (6) When the CF card is sandwiched and prevented from being pulled out, the retaining force is influenced by the sandwiching force, and the reliability is low. (7) As shown in FIG. 7 (d), when the CF card 13 has the protrusions 14, the connectors 15, and the like, it is necessary to provide the retaining portions so as to avoid them, and the CF cards that can be mounted are limited. Reference numeral 16 denotes a cable connected to the connector 15.

  The present invention has been made to solve the above-mentioned problems, and can prevent the CF cards having different sizes and shapes from coming out, requires little space, and is inexpensive and easy to install. An object of the present invention is to provide a CF card removal prevention mechanism for portable equipment that can improve the reliability of prevention of withdrawal.

  According to a first aspect of the present invention, there is provided a CF card retaining mechanism for a portable device provided with a fixture insertion slot for inserting a fixture near one side of a CF card mounting slot of the portable device and mounting the CF card. One end of the fixing band is attached in the vicinity of the other side of the slot, and a fixing tool is connected to the other end of the fixing band so that the length of the fixing band can be adjusted. When a lock bar that protrudes from the slot is protruded and provided integrally, and a CF card with a standard depth is mounted in the CF card slot, the fixture is inserted into the fixture slot. The fixing tool is rotated with respect to the fixing tool insertion port to prevent the fixing tool from coming out, and the lock bar is brought into contact with the exposed end of the CF card from the CF card mounting slot. When a CF card with a depth dimension larger than the standard size is installed in the CF card mounting slot, insert the fixture into the fixture insertion slot, and insert the fixture through the lock bar. Rotate with respect to the opening to prevent the fixture from coming out, and attach the fixing band to the end of the CF card protruding from the CF card mounting slot, and adjust the length to prevent the CF card from coming off. It is what you did.

  In the CF card retaining mechanism for a portable device according to claim 2, the fixing member is made of plastic.

  In the CF card retaining mechanism for a portable device according to claim 3, the fixing band is made of rubber.

  As described above, according to the first aspect of the present invention, when a CF card having a standard depth dimension is mounted in the mounting slot, the fixing tool is inserted into the fixing tool insertion slot, and is integrally projected to the fixing tool. The fixing tool is rotated with respect to the fixing tool insertion port through the provided lock bar to prevent the fixing tool from coming out, and the lock bar is brought into contact with the exposed end from the mounting slot of the CF card to When the card is secured, and a CF card with a depth dimension larger than the standard size is mounted in the mounting slot, insert the fixture into the fixture insertion slot, and insert the fixture through the lock bar. Rotate with respect to the opening to prevent the fixture from coming out, and attach the fixing band to the end of the CF card protruding from the mounting slot, and adjust the length to prevent the CF card from coming off. The Ri can be different shapes and sizes of the CF card to prevent escape from the mounting slot. In addition, the CF card is prevented from coming out by abutment of the lock bar of the fixing tool or hooking of the fixing band, and the reliability of preventing the coming out can be improved. Furthermore, the fixtures and fixing bands are small and do not require space. Further, since the CF card is prevented from being pulled out by inserting, abutting or hooking a fixing band without using a male screw or the like, the installation workability of the retaining mechanism is good.

  According to claim 2, the fixture is made of plastic and can be manufactured at low cost.

  According to claim 3, the fixing band is made of rubber and can be manufactured at low cost.

  The best mode for carrying out the present invention will be described below with reference to the drawings. FIG. 3 is a perspective view of the portable device 17 according to the embodiment of the present invention. The portable device 17 has a bottom cover 19 detachably attached to the bottom of the main body portion 18. As the CF card that can be mounted, there are various types as shown in FIGS. 7A to 7D, and there are also cards to which the cable 16 is connected. FIG. 4 is an exploded perspective view of the portable device 17 according to the embodiment. A panel 20 is provided at the end of the main body 18 on the bottom cover 19 side. Various CF cards such as the CF card 10 are provided on the panel 20. A CF card mounting slot 21 that can be mounted is provided, and a fixing tool insertion port 22 for inserting a fixing tool 25 and a DC IN connector insertion port 23 are provided in the vicinity of one side of the CF card mounting slot 21. In the vicinity of the other side of the CF card mounting slot 21, one end of a rubber fixing band 24 is attached. The other end of the fixing band 24 is connected to a plastic fixing tool 25 so as to be adjustable in length by a folded structure. A lock bar 25 a is integrally protruded from the fixture 25, and the fixture 25 is rotated from the fixture insertion port 22 by rotating the fixture 25 with respect to the fixture insertion port 22 by the lock bar 25 a. It will not come out. A fixing mechanism for the CF card is configured by the fixing tool insertion port 22, the fixing band 24, the fixing tool 25, and the like.

  Next, retaining when the type 1 CF card 10 of the standard depth size is mounted on the main body 18 of the portable device 17 will be described with reference to FIGS. FIG. 1A is a partially omitted perspective view of a main body portion 18 of a portable device 17 in a state in which a CF card is prevented from being removed according to this embodiment, FIG. 1B is an enlarged view of a main portion thereof, and FIG. The perspective view of the main-body part 18 of the apparatus 17 is shown. First, after the CF card 10 is mounted in the CF card mounting slot 21, the fixture 25 is inserted into the fixture insertion slot 22, and the entire fixture 25 is rotated with respect to the fixture insertion slot 22 via the lock bar 25a. The fixing tool 25 is prevented from coming out of the fixing tool insertion port 22. That is, as shown in FIG. 2, when the fixture 25 is rotated by 15 degrees or more in the direction of the arrow 26 from the “UNLOCK” position via the lock bar 25 a, the fixture 25 can be removed from the fixture insertion port 22. Disappear. At this time, as shown in FIG. 1, the fixing tool 25 is largely rotated so that the lock bar 25 a is positioned at the end exposed from the mounting slot 21 of the CF card 10, and abuts the exposed end of the CF card 10. This prevents the CF card 10 from coming out of the mounting slot 21. When the lock bar 25a is rotated to a position where it comes into contact with the exposed end of the CF card 10, the lock bar 25a is lightly latched and fixed at the rotation position. Even when the CF card has a connector 16 or the like, the lock bar 25a is brought into contact with and pressed against the exposed end of the CF card, so that it can be reliably prevented from coming out.

  Next, how the CF card 12 is prevented from being detached when the CF card 12 having the expansion portion 12a is mounted in the mounting slot 21 will be described with reference to FIGS. First, the CF card 12 is mounted in the mounting slot 21 as shown in FIG. Since the CF card 12 has an extended portion 12a and the length in the depth direction is longer than the standard, the CF card 12 is mounted in a state of protruding greatly from the mounting slot 21. Thereafter, as shown in FIG. 5 (b), the fixture 25 is inserted into the fixture insertion port 22, and the fixture 25 is rotated with respect to the fixture insertion port 22 via the lock bar 25a. 25, the fixed band 24 is hung on the protruding end of the CF card 12 that protrudes greatly from the mounting slot 21, the length of the fixed band 24 is adjusted, and the end of the CF card 12 is fixed by the fixed band 24. Hold down and prevent it from slipping out. When the DC IN connector is mounted in the insertion port 23, the lock bar 25a is rotated to a position where it does not interfere with the mounted DC IN connector before the DC IN connector is mounted.

  In the above-described embodiment, when the standard depth CF cards 10 and 11 are mounted in the mounting slot 21, the fixing tool 25 is inserted into the fixing tool insertion port 22, and then fixed through the lock bar 25a. The tool 25 is rotated with respect to the fixture insertion slot 22 to prevent the fixture 25 from coming out of the fixture insertion slot 23, and the lock bar 25 a is exposed from the mounting slot 21 of the CF cards 10 and 11. The CF cards 10 and 11 are prevented from coming out by contacting the ends. In the case of the CF card 13 having the connector 16 or the like, if the depth size is a standard size, it can be prevented from coming out in the same manner. Further, in the case of the CF card 12 having the expanded portion 12a and the depth dimension longer than the standard, the fixing tool 25 is inserted into the fixing tool insertion port 22, and the fixing tool 25 is inserted through the lock bar 25a. While rotating with respect to the insertion port 22 to prevent the fixing tool 25 from coming out, the protruding length from the mounting slot 21 is long, so the fixing band 24 is hung on the protruding end, and the length is adjusted, The end of the CF card 12 is pressed by the fixing band 24 to prevent the CF card 12 from coming off. Therefore, the CF card can be prevented from coming out of the mounting slot 21 even if the shape and size of the CF card are different, and the CF card can be prevented from coming out by contacting the lock bar 25a or pressing the fixed band 24. It is possible to improve the reliability of prevention of slipping out. Further, since the fixing tool 25 and the fixing band 24 are small in size, they do not require a space and are formed of plastic or rubber and are inexpensive. Further, the CF 25 can be simply inserted into the fixing tool 25 or pressed by the fixing band 24. Since the card is prevented from coming out, the installation workability of the retaining mechanism is good.

FIG. 2 is a partially omitted perspective view of a main body portion of a portable device in which a CF card having a standard depth dimension according to an embodiment of the present invention is mounted, and an enlarged view of a main portion thereof. It is a perspective view of the main-body part of the portable apparatus which mounted CF card of the depth dimension by embodiment by standard size. It is a perspective view of the portable apparatus by embodiment. It is a disassembled perspective view of the portable apparatus by embodiment. It is a partially omitted perspective view of a state in which a CF card of a main body of a mobile device in which a CF card having a depth dimension larger than a standard size is mounted, and a state in which a fixing band and a fixture are mounted. It is explanatory drawing of the CF card removal prevention mechanism of the conventional portable apparatus. It is a perspective view of various CF cards.

Explanation of symbols

10-13 ... CF card 17 ... portable device 20 ... panel 21 ... CF card mounting slot 22 ... fixing tool slot 24 ... fixing band 25 ... fixing tool 25a ... lock bar

Claims (3)

  A fixing tool insertion slot for inserting a fixing tool is provided in the vicinity of one side of the CF card mounting slot of the portable device, and one end of the fixing band is attached in the vicinity of the other side of the CF card mounting slot. A fixing tool is connected to the other end so that the length of the fixing band can be adjusted. A locking bar that prevents the fixing tool from coming out of the fixing tool insertion port is provided on the fixing tool. When a standard size CF card is installed in the CF card mounting slot, insert the fixture into the fixture insertion slot and rotate the fixture relative to the fixture insertion slot via the lock bar. While preventing the fixture from coming out, the CF card is prevented from coming off by bringing the lock bar into contact with the exposed end of the CF card from the CF card mounting slot. When mounted in the F card mounting slot, the fixture is inserted into the fixture insertion slot, and the fixture is rotated with respect to the fixture insertion slot via the lock bar to prevent the fixture from coming out. A CF card retaining mechanism for a portable device, characterized in that a fixed band is hung on the end of the CF card protruding from the CF card mounting slot, and the length is adjusted to prevent the CF card from being detached.   2. The CF card retaining mechanism for a portable device according to claim 1, wherein the fixture is made of plastic.   3. The CF card retaining mechanism for a portable device according to claim 1, wherein the fixing band is made of rubber.

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