JP3492236B2 - Card opening and closing device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a card cover opening / closing device in a card insertion section of various small electronic devices. 2. Description of the Related Art In recent years, data transfer to other devices using a memory card, which is a card-shaped recording medium, as a part of miniaturization, high operability, and further enhancement of functions in various small electronic devices has been recently performed. There is a growing need to keep the card insertion section closed for higher quality, including improved design, and protection of the inside of the device and the memory card. However, in a conventional card lid opening / closing device that locks and unlocks the lid by sliding a nail,
Ensuring the ease of inserting and removing the memory card by increasing the opening angle of the lid and reducing the gap between the lid and the main unit are difficult to achieve at the same time because of conflicting demands. Equipment was needed. Hereinafter, a card cover opening / closing device used in a conventional video movie will be described. FIGS. 6 to 11 show a conventional card cover opening / closing device. In FIG. 6, reference numeral 50 denotes a video movie main body, which is not shown. An image pickup section for picking up an object inside, a microphone section for inputting ambient sound, and video and audio signals obtained from the image pickup section and the microphone section are recorded on a tape. It has a video signal recording / reproducing unit for reproducing a signal recorded on a medium. [0005] Reference numeral 8 denotes a card cover which is opened and closed when a card-shaped memory card 14 is inserted and removed. Reference numeral 11 denotes a lock piece, which is slidably attached to the card cover 8. The lock piece is moved in the direction of the arrow i in FIG. 8 is rotated in the direction of arrow j in FIG.
As shown in (c), the memory card 14 can be inserted in the direction of arrow k. More specifically, the configuration is as shown in FIGS. 7 and 8. First, in FIG. 7A, reference numeral 9 denotes an opening / closing spring, 10 denotes a lock piece holding spring, and the opening / closing spring 9
Is inserted into the recess 51 of the card cover 8 in the direction of arrow m, and the lock piece holding spring 10 is inserted into the recess 52 of the card cover 8.
Are inserted in the direction of arrow l. In FIG. 7B, reference numerals 8a and 8b denote shaft holes, 12 a shaft, and the lock piece 11 is connected to the shaft hole 8b.
To the lock piece holding spring 10 arranged in the concave portion 52. The shaft 12 is inserted into the shaft hole 8 a from the direction of the arrow o, and is inserted into the opening / closing spring 9 provided in the concave portion 51. The thus assembled device is a memory card card holder 1 as shown in FIGS.
3 is assembled. The card holder 13 is formed with a support hole 13a into which the shaft 12 is inserted. The card cover 8 is inserted into the support hole 13a from the direction of arrow p, and both ends of the shaft 12 are closed. The card cover 8 is rotatable with respect to the card holder 13 by caulking or the like. Reference numeral 13b denotes a hook hole formed in the card holder 13, and the tip of the lock piece 11 can be engaged when the card cover 8 is closed with respect to a card holder 13 described later. The operation of the conventional card cover opening / closing device thus configured will be described. FIG. 10 shows a state where the card cover is closed with respect to the card holder. FIG.
As shown in FIG. 10C, the card cover 8 receives a load in the rotating direction, which is the direction of the arrow r, by the biasing force of the opening / closing spring 9, but in this state, the lock piece is locked as shown in FIG. Since the lock piece 11 is pressed in the direction of arrow t by the urging force of the presser spring 10, the lock piece 11 is engaged with the hook hole 13b and the card cover 8 does not rotate. FIG. 11 shows a state in which the card cover has moved with respect to the card holder 13. As shown in FIG. 11A, when the lock piece 11 is moved in the direction of the arrow q, the lock piece 11 is disengaged from the hook hole 13b as shown in FIG. 11B. Then, the card cover 8 rotates in the direction of the arrow r about the shaft 12 as shown in FIG. 11C by the urging force of the opening / closing spring 9, until the video movie body 50 and the card cover 8 come into contact with each other. Open the memory card 14
Can be inserted into and removed from the card holder 13. However, in the above-described conventional configuration, the gap B between the card cover 8 and the video movie body 50 is narrow as shown in FIG. And it is difficult to insert or remove the memory card 14. In particular, when removing the memory card 14 from the card holder 13, the amount of protrusion of the memory card 14 from the card holder 13 is small as shown in FIG. There is a problem that it is difficult to remove the memory card 14. The card cover 8 and the video movie body 5
When the gap B of 0 is widened, there is a high possibility that foreign matter enters the inside of the video movie body 50 from the gap B. SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and to provide a card cover opening / closing device which can easily open or remove a memory card with a simple structure by sufficiently opening the card cover. . According to the present invention, there is provided a card cover opening / closing apparatus according to the present invention, wherein a card cover supported by a support shaft provided on a card holder and covering an opening is provided with the opening. A first position covering the portion, a second position moved from the first position in a direction orthogonal to a direction in which the recording medium is inserted into the card holder, and a third position opening the opening from the second position. The card cover can be turned to the first position by devising the shape of the insertion portion of the support shaft in the card cover.
And the second position. According to this structure, a card cover opening / closing device is provided in which the opening angle of the card cover is sufficiently large and a recording medium can be easily inserted or removed. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A card cover opening / closing device according to the present invention comprises:
A card holder having an opening through which a card-shaped recording medium can be inserted; a spindle disposed in the card holder ;
A first position supported by the support shaft and covering the opening, a second position moved from the first position in a direction orthogonal to the direction in which the recording medium is inserted, and a second position thereof. And a card cover rotatable to a third position for opening the opening from the position described above, wherein the card cover is inserted into the insertion portion of the support shaft, and is positioned at a first position and a second position. Two holding portions for holding the support shaft at different positions with respect to the card cover, and a guide portion having a width smaller than the shaft diameter of the support shaft that communicates the two holding portions and guides the movement of the support shaft. It is characterized by having been provided. According to this structure, the pivot, which is the pivot of the card cover, is separated from the apparatus main body to increase the pivot angle, and the card retainer is moved to the first position by the two holding portions. And the second position, the support shaft can be held at a different position with respect to the card lid. Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
It will be described based on. 1 (a) to 1 (c), reference numeral 20 denotes a video movie main body, which is not shown, but is obtained from an image pickup section for picking up an image of a subject, a microphone section for inputting ambient sound, an image pickup section and a microphone section. A video signal recording / reproducing unit for recording the video and audio signals recorded on the tape-shaped recording medium and reproducing the recorded signals. Reference numeral 1 denotes a card cover, which constitutes a part of a card cover opening / closing device. Reference numeral 6 denotes a memory card. In the card cover opening / closing device of the present invention, the card cover 1 is moved in the direction of arrow a in FIG.
When the memory card 6 is rotated in the direction of arrow b in FIG. 1B, the memory card 6 can be inserted in the direction of arrow c as shown in FIG. Specifically, it is assembled as shown in FIGS. In FIG. 2A, reference numeral 3 denotes an opening / closing spring. The opening / closing spring 3 is inserted into the recess 21 of the card cover 1 in the direction of arrow d. Reference numeral 4 shown in FIG. 2B denotes a support shaft serving as a rotation axis of the card cover 1, and the length of the support shaft 4 is longer than the length of the card cover 1 in the longitudinal direction. Reference numerals 2b and 2c denote support shaft holes formed in the longitudinal direction of the card cover 1, into which the support shaft 4 is inserted, and which hold the support shaft 4 at the positions 2b and 2c, respectively. The support hole 2b holds the support shaft 4 when the card cover 1 is open, and the support hole 2c holds the support shaft 4 when the card cover 1 is closed. Reference numeral 2d denotes a guide portion, which communicates between the support hole 2b and the support hole 2c, and the width of the hole is set slightly smaller than the diameter of the support shaft 4.
Reference numeral 2a denotes a nail formed on the card cover 1. The support shaft 4 is inserted into the support shaft hole 2 b from the direction of the arrow e, and is inserted into the opening / closing spring 3 provided in the recess 21. The assembly thus assembled is assembled on a memory card holder 5 as shown in FIGS. In FIG. 3, two support holes 5a into which the support shaft 4 is inserted are formed in a card holder 5 having an opening 5c in which a memory card 6 can be mounted. Insert the shaft 4 into the shaft hole 5a from the
Then, the card cover 1 is rotatable around the support shaft 4 with respect to the card holder 5 as shown in FIG. Here, one end of the opening / closing spring 3 is connected to the card cover 1.
And the other end abuts against the wall 5d near the opening 5c of the card holder 5, and the card cover 1 opens the opening 5c to the card holder 5 by the urging force of the opening / closing spring 3. In the direction you want. A hook 5b is formed on the card holder 5 so that the claw 2a of the card cover 1 can be engaged. When the hook 5b and the claw 2a are engaged, the card cover is actuated by the urging force of the opening / closing spring 3. 1 is locked so as not to be released. The operation of the embodiment of the card cover opening / closing device of the present invention having the above-described structure will be described below with reference to FIG. 5A to 5D show a process in which the card cover 1 is turned from the closed state to the card holder 5 to the opened state. FIG. 5A shows a state in which the card cover 1 is closed with respect to the card holder 5. The support shaft 4 in FIG. 5A is held in the support hole 2c because the width of the guide portion 2d is narrower than the support shaft 4, and the card cover 1 receives the urging force of the opening / closing spring 3. The claw 2a engages with the hook 5b of the card holder 5 and is held at the first position covering the opening 5c of the card holder 5. In this first position, the gap A between the card cover 1 and the video movie body 20 is set to be as narrow as possible.
The possibility that a foreign substance or the like enters the video movie main body 20 from the gap A is reduced. Next, when the user attempts to move the card cover 1 from the first position shown in FIG. 5A in the direction of arrow a, which is a direction orthogonal to the direction in which the memory card 6 is inserted, FIG. 5
A shaft hole 2c for holding the shaft 4 as shown in FIG.
The support shaft 4 moves while slightly elastically deforming the card cover 1 along the guide portion 2d. At this time, the engagement of the claw 2a of the card lid 1 with the hook portion 5b of the card holder 5 is gradually released. When the card cover 1 is further moved in the direction of arrow a from the position shown in FIG. 5B, the card cover 1 comes to the second position shown in FIG. 5C, and the support shaft 4 is relatively positioned with respect to the support hole 2b. Move, spindle 4
Since the width of the guide portion 2d is smaller than that of the support shaft 4, the guide member 2d is held in the support hole 2b. In addition, the hook 2a of the card cover 1 is completely released from the engagement with the hook 5b of the card holder 5. Claw 2a and hook 5b of card holder 5
Is released, the card cover 1 is opened in the direction of arrow b by the urging force of the opening / closing spring 3, and is opened to the position shown in FIG. Can be inserted and removed. In particular, when the memory card 6 is taken out of the card holder 5, even if the amount of the memory card 6 protruding from the card holder 5 is small as shown in FIG. As a result, an effect is obtained that the memory card 6 can be easily grasped by the user's finger and the memory card 6 can be easily taken out. As described above, according to the present embodiment, the position where the support shaft 4 that is the center of rotation when the card cover 1 is opened is separated from the video movie main body 20 by the distance from the first position to the second position. Can be set to
A sufficient opening angle can be ensured without expanding the gap A between the card cover 1 and the card cover 1. That is, the card cover 1 is
c to a first position covering the recording medium, a second position moved from the first position in a direction perpendicular to the direction in which the recording medium is inserted, and a third position opening the opening 5c from the second position. By making the card cover 1 movable, the support shaft 4 which is the rotation fulcrum of the card cover 1 can be separated from the video movie 20 to increase the rotation angle. Also, the support holes 2b, which are two holding portions, are provided.
The card cover 1 is moved to the first position and the second position by the guide portion 2d and the guide portion 2d having a width smaller than the shaft diameter of the support shaft 4 and communicating with the support holes 2b and 2c to guide the support shaft 4. , The support shaft 4 can be held at a different position with respect to the card cover 1. Further, the card cover 1 can be locked only by the opening and closing operation of the card cover 1, and the operability is improved because the operation only for unlocking is not required. Further, the structure is simple because there is no need for a separate component acting only to lock the card cover 1. As described above, in the card cover opening / closing device of the present invention, the card cover is moved to the first position and the second position by the two holding portions.
Can be held at a different position with respect to the card lid when it is located at the position, the opening angle of the lid can be sufficiently secured with a simple configuration, and the operability for easy insertion and removal of the card-shaped recording medium Is good.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a state in which a card lid opening / closing apparatus according to an embodiment of the present invention is used for a video movie. FIG. 2 is a card lid opening / closing apparatus according to the embodiment. FIG. 3 is a perspective view showing an assembling process of the card cover opening and closing device according to the embodiment; FIG. 4 is a perspective view showing an assembling process of the card cover opening and closing device according to the embodiment; FIG. 5 is a schematic view for explaining the operation of the card cover opening / closing device in the embodiment. FIG. 6 is a perspective view showing a state in which the conventional card cover opening / closing device is used for a video movie. FIG. 8 is a perspective view showing an assembling process of a conventional card cover opening / closing device. FIG. 8 is a perspective view showing an assembling process of a conventional card cover opening / closing device. Figure 10: Opening / closing a conventional card lid FIG. 11 is a schematic diagram for explaining the operation of the apparatus. FIG. 11 is a schematic diagram for explaining the operation of a conventional card cover opening / closing device. [Description of References] 1 Card cover 2b Support hole 2c Support hole 2d Guide portion 4 Spindle 5 Card holder 5c Opening 6 Memory card 20 Video movie body

Continuation of the front page (72) Inventor Toshifumi Takada 3-28-7 Nakamagome, Ota-ku, Tokyo Yamaichi Electric Co., Ltd. (72) Inventor Mitsuru Kurosawa 1006 Ojidoma Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. (56) References JP-A-7-152881 (JP, A) JP-A-7-232754 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) G06K 13/06 B65D 43 / 16 H04N 5/225 H04N 5/907 G11B 33/02 501

Claims (1)

(57) and the card holder with Patent Claims 1. A insertable opening the card-shaped recording medium, a support shaft disposed in the card holder, while being supported on the support shaft A first position covering the opening, a second position moved from the first position in a direction perpendicular to the direction in which the recording medium is inserted, and a second position opening the opening from the second position. And a card cover rotatable at a position 3; wherein the card cover has an insertion portion for the support shaft, and the support shaft is different from the card cover when positioned at a first position and a second position. A card lid opening / closing device, comprising: two holding portions for holding the position; and a guide portion having a width smaller than the shaft diameter of the support shaft that communicates the two support portions and guides the movement of the support shaft.