JP2007059662A - Locking device of opening/closing cover, and water-resistant apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a locking device of an opening/closing cover, wherein its opening/closing operation is simple and the opening/closing cover can be locked surely by it. <P>SOLUTION: The locking device has a first locking member 12 whose one end is attached to a case 1 of a water-resistant apparatus, and in whose other end an opening/closing operational portion 17 is provided; a linking member 13 attached to the rear surface of the first locking member 12; and a second locking member 14, whose one end is attached to the linking member 13, and in whose other end a locking portion 15 is provided for locking removably the edge 5a of an opening/closing cover 5. When the first locking member 12 is made to turn in the direction of closing the cover 5, the linking member 13 is slid so that the second locking member 14 draws the locking portion 15, and locks the edge 5a of the opening/closing cover 5. Accordingly, the opening/closing cover 5 can be locked surely with only a simple operation of making the first locking member 12 turn. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a locking device for an opening / closing lid used for various devices such as a disc player and an electronic camera, and a waterproof device such as a disc player and an electronic camera having a waterproof function.

Conventionally, in an electronic device such as an electronic camera, as described in Patent Document 1, a storage chamber for storing a recording medium such as a memory card is provided in a grip portion of a camera body, and an opening of the storage chamber is provided. The lid is attached to the part so that opening and closing is possible.
JP 2005-5783 A

  This type of lid opening / closing device is provided with a shaft support mechanism for pivotally supporting the lid with respect to the camera body and a shaft support mechanism fixed in the storage chamber so that the shaft support mechanism can be slidable in order to waterproof the storage chamber. And a waterproof packing provided on the inner peripheral surface of the lid. The lid rotates around the shaft of the shaft support mechanism, and the lid is moved while moving the shaft along the guide groove of the guide mechanism. The lid is closed with the waterproof packing of the lid in close contact with the opening of the storage chamber.

  That is, in this waterproof lid opening / closing device, when the storage chamber of the camera body is closed, the lid is rotated around the shaft of the shaft support mechanism to approach the opening of the storage chamber, and in this state the shaft support mechanism When the lid is slid while the shaft of the guide is moved along the guide groove of the guide mechanism, the engaging portion provided on the inner surface of the lid engages with the engaging portion provided in the storage chamber, thereby A waterproof packing provided on the peripheral surface is pressed against the opening of the storage chamber, thereby ensuring the airtightness of the storage chamber.

  However, in such a conventional lid opening / closing device, when the lid is closed, the lid is rotated around the shaft of the shaft support mechanism, and then the lid is moved while moving the shaft along the guide groove of the guide mechanism. The waterproof packing provided on the inner peripheral surface of the lid must be brought into pressure contact with the opening of the storage chamber. Further, when opening the lid, the lid is slid while moving the shaft of the shaft support mechanism along the guide groove of the guide mechanism, and the latching portion of the lid is detached from the engaging portion of the storage chamber. The lid must be rotated about the shaft of the mechanism.

  For this reason, in this waterproof lid opening and closing device, when opening and closing the lid, the pivoting operation of rotating the lid around the shaft of the shaft support mechanism and the shaft of the shaft support mechanism along the guide groove of the guide mechanism. Since the slide operation for sliding the lid while moving it must be performed alternately, there is a problem that the opening and closing operation of the lid is complicated and troublesome. In particular, the slide operation in which the lid is slid while moving the shaft of the shaft support mechanism along the guide groove of the guide mechanism requires a strong operation force, so that there is a problem that the operability is extremely poor.

  The problem to be solved by the present invention is to provide an opening / closing lid locking device that is easy to open and close and that can reliably lock the opening / closing lid.

In order to solve the above problems, the present invention includes the following components.
In addition, the reference numerals of the drawings attached to the respective elements described in the section of each embodiment described later are attached to the respective constituent elements together with parentheses.

As shown in FIGS. 1 to 17, the invention described in claim 1 is locked in a state in which an open / close lid (5) that closes the storage portion (disk storage portion 4) of the device case (1) is opened and closed. In the opening / closing lid locking device,
A first lock member (12) having one end rotatably attached to the device case and an open / close operation part (17) provided at the other end, and rotatably attached to the inner surface of the first lock member The link member (13) is provided, and a lock portion (15) is provided at the other end portion of the link member (13) so that the edge portion (5a) is removably locked. A second locking member (14) formed,
When the first lock member is rotated in the closing direction with the open / close lid closed, the link member slides the second lock member and draws the lock portion toward the device case. The lock device for the open / close lid, wherein the lock portion locks the edge of the open / close lid and presses the open / close lid against the device case.

  As shown in FIGS. 1 to 17, the invention according to claim 2 is characterized in that the first lock member (12) has a housing recess (16) opened on the lower surface side thereof, and the link member (13). Is formed in a flat plate shape disposed in the storage recess of the first lock member, and the second lock member (14) is formed in a flat plate shape disposed in the storage recess of the first lock member. The opening / closing lid lock according to claim 1, wherein a notch storage portion (22) into which the link member is inserted is provided at a portion opposite to the lock portion (15). Device.

  In the invention according to claim 3, as shown in FIGS. 1 to 17, an external force is applied to the opening / closing operation portion (17) of the first lock member (12) toward the inside of the first lock member. And an auxiliary lock member (25, 41, 51) that is engaged with the lock portion (15) of the second lock member (14) and restricts the opening operation of the first lock member. 3. The opening / closing lid locking device according to claim 1, wherein the opening / closing lid is locked.

  As shown in FIGS. 1 to 11 and FIGS. 14 to 17, the auxiliary lock member (25, 51) is the opening / closing operation part of the first lock member (12). Flap (27, 53) rotatably attached to (17) and a spring member (28) for biasing the flap toward the outside of the first lock member, and external force is applied to the flap. When this occurs, the flap rotates against the spring force of the spring member, and the rotated flap is engaged with the lock portion (15) of the second lock member (14). The opening / closing lid locking device according to claim 3.

  According to a fifth aspect of the present invention, as shown in FIGS. 12 and 13, the auxiliary lock member (41) is rotatably attached to the opening / closing operation portion (17) of the first lock member (12). Flap (27), a spring member (28) for urging the flap toward the outside of the first lock member, an engaging claw (42) provided on the flap, and the second lock member A locking portion (locking protrusion 43) provided on the locking portion (15) of (14) and removably engaged with the engaging claw of the flap, and when an external force is applied to the flap Further, the flap is rotated against the spring force of the spring member, and the engaging claw of the rotated flap is detachably engaged with the locking portion of the lock portion of the second lock member. The lid of the opening / closing lid according to claim 3, It is a click system.

  As shown in FIGS. 14 to 17, the auxiliary lock member (51) is a central portion excluding both sides of the opening / closing operation part (17) of the first lock member (12). The opening / closing lid locking device according to claim 3, wherein the opening / closing lid locking device is provided.

  As shown in FIGS. 1 to 17, when opening and closing the open / close lid (5), the open / close operation portion (17) of the first lock member (12) and the second The opening and closing according to any one of claims 1 to 6, further comprising a third lock member (30) that is detachably engaged with the lock portion (15) of the lock member (14). This is a lid locking device.

The invention according to claim 8 is a waterproof device having an opening / closing lid (5) for opening and closing the storage portion (disk storage portion 4) of the device case (1) as shown in FIGS.
A first lock member (12) having one end rotatably attached to the device case and an open / close operation portion (17) provided at the other end, and rotatably attached to the inner surface of the first lock member A link member (13), and a lock portion (15) that is rotatably attached to one end portion of the link member and removably locks the edge portion (5a) of the opening / closing lid at the other end portion. Second locking member (14) formed,
When the first lock member is rotated in the closing direction with the open / close lid closed, the link member slides the second lock member and draws the lock portion toward the device case. The waterproof device includes a lock structure for the open / close lid, wherein the lock portion locks the edge portion of the open / close lid so that the open / close lid is pressed against the device case.

  According to the first aspect of the present invention, the first lock member having one end portion rotatably attached to the device case and the opening / closing operation portion provided on the other end portion, and the inner surface of the first lock member. A link member that is movably attached, and a second lock member that has one end pivotably attached to the link member and a lock portion that removably locks the edge of the opening / closing lid at the other end. When the first lock member is rotated in the closing direction with the opening / closing lid closed, the link member slides the second lock member and pulls the lock portion of the second lock member toward the device case side. Thus, the lock portion locks the edge of the opening / closing lid and presses the opening / closing lid against the device case.

  For this reason, by simply rotating and closing the first locking member, the opening / closing lid can be easily pressed against the device case, and the housing portion of the device case can be closed with the opening / closing lid, thereby ensuring airtightness. The open / close lid can be securely locked. When opening the opening / closing lid, when the first locking member is rotated and opened, the link member slides the second locking member in the reverse direction in conjunction with this, and the locking portion of the second locking member is opened and closed. Therefore, it is possible to easily unlock the opening / closing lid and open the opening / closing lid. For this reason, since the opening / closing lid can be opened / closed by a simple operation by simply rotating the first locking member, not only the opening / closing operation is good, but also when the opening / closing lid is closed, the opening / closing lid is securely opened. Can be locked.

  According to the invention described in claim 2, the first lock member has a storage recess opened on the lower surface side thereof, and the link member is formed in a flat plate shape disposed in the storage recess of the first lock member, The second lock member is formed in a flat plate shape disposed in the storage recess of the first lock member, and a notch storage portion into which the link member is inserted is provided at a portion located on the opposite side to the lock portion. Thus, when the first lock member is closed and the open / close lid is locked, the link member can be stored in the cutout storage portion of the second lock member, and the link member and the second lock member are The first locking member can be housed in the housing recess, which not only makes the whole compact, but also the link member and the second locking member are not visible from the outside. It can be obtained having high emission property.

  According to the third aspect of the present invention, when an external force is applied to the opening / closing operation portion of the first lock member toward the inside of the first lock member, the first lock is engaged with the lock portion of the second lock member. By providing an auxiliary lock member that regulates the opening operation of the member, for example, when inspecting waterproof performance, when water such as tap water is directly sprayed on the opening / closing operation portion of the first lock member, the pressure of the water Since the auxiliary lock member is engaged with the lock portion of the second lock member and restricts the opening operation of the first lock member, even if the pressure of the sprayed water is applied in the direction of opening the first lock member, the auxiliary lock member The lock member can be locked so that the first lock member does not open, so that the lock state of the open / close lid can be reliably maintained and the opening / closing operation force of the first lock member can be reduced. Since, it is possible to improve the opening and closing operation of the first locking member.

  According to invention of Claim 4, an auxiliary | assistant lock member urges | biases this flap toward the outer side of a 1st lock member, and the flap attached to the opening / closing operation part of a 1st lock member so that rotation was possible. A spring member, and when an external force is applied to the flap, the flap rotates against the spring force of the spring member, and the rotated flap is locked to the lock portion of the second lock member. Thus, even when an external force is applied to the flap, the opening operation of the first lock member can be prevented, so that the locked state of the open / close lid can be reliably maintained so that the open / close lid does not open arbitrarily.

  That is, as in the invention described in claim 3, when the waterproof performance is inspected, when water such as tap water is directly sprayed on the opening / closing operation portion of the first lock member, the flap causes the spring force of the spring member by the water pressure. Since the flap is locked against the lock portion of the second lock member, the opening operation of the first lock member can be prevented, so that the open / close lid does not open without permission. The locked state of the open / close lid can be reliably maintained, and the opening / closing operation force of the first lock member can be reduced. Further, when opening the first lock member, the flap is rotated by the spring force of the spring member to return to the initial position, and the flap is detached from the lock portion of the second lock member, so that the first lock member can be easily rotated. As a result, the opening / closing operability of the first lock member can be improved, and the opening / closing lid can be easily opened.

  According to the fifth aspect of the present invention, the auxiliary lock member urges the flap toward the outside of the first lock member, and the flap rotatably attached to the opening / closing operation portion of the first lock member. A spring member, an engaging claw provided on the flap, and a locking portion provided on the locking portion of the second lock member so that the engaging claw of the flap is detachably engaged, and an external force is applied to the flap. When the flap is rotated against the spring force of the spring member, the engaging claw of the rotated flap is detachably engaged with the locking portion of the lock portion of the second lock member. Even if an external force is applied to the flap, the opening operation of the first locking member can be prevented, so that the locked state of the opening / closing lid can be reliably maintained so that the opening / closing lid does not open arbitrarily.

  That is, as in the invention described in claim 3, when the waterproof performance is inspected, when water such as tap water is directly sprayed on the opening / closing operation portion of the first lock member, the flap causes the spring force of the spring member by the water pressure. Since the engaging claw of the flap engages with the engaging portion of the locking portion of the second locking member, the opening operation of the first locking member can be reliably prevented, thereby opening and closing In order to prevent the lid from opening without permission, the locked state of the open / close lid can be reliably maintained and the opening / closing operation force of the first lock member can be reduced. Further, when opening the first lock member, the flap is rotated by the spring force of the spring member to return to the initial position, and the engaging claw of the flap is disengaged from the locking portion of the lock portion of the second lock member. Similarly to the invention described in Item 4, the first lock member can be easily rotated, whereby the opening / closing operability of the first lock member can be improved and the opening / closing lid can be easily opened. .

  According to the invention described in claim 6, the auxiliary lock member is provided in the central portion excluding both sides of the opening / closing operation part of the first lock member, so that it is waterproof as in the inventions described in claims 3 to 5. When inspecting performance, the auxiliary lock member can be locked to the lock portion of the second lock member by the pressure of the sprayed water, and the first lock member can be locked so as not to open. Even if the first lock member is mistakenly grasped and lifted when carrying the mobile phone, the auxiliary lock member is pushed toward the inside of the first lock member at that time. The first locking member can be locked so as not to open, and the opening / closing lid can be securely locked so that the opening / closing lid does not open even if the first locking member is grasped and lifted. Status It can be maintained.

  According to the seventh aspect of the present invention, the third lock member is provided in which the opening / closing operation portion of the first lock member and the lock portion of the second lock member are detachably engaged with each other when the opening / closing lid is closed. Thus, the engagement force between the first lock member and the second lock member can be ensured by the third lock member, whereby the opening / closing force of the first lock member can be set appropriately. In this case, by adjusting the engagement force between the first lock member and the second lock member by the third lock member to increase or decrease the opening / closing force of the first lock member, the first lock member The opening / closing force can be set to a desired value, whereby a user-friendly one can be obtained.

  According to the eighth aspect of the present invention, the first lock member having one end rotatably attached to the device case and the opening / closing operation portion provided at the other end, and the inner surface of the first lock member. A link member that is movably attached, and a second lock member that has one end pivotably attached to the link member and a lock portion that removably locks the edge of the opening / closing lid at the other end. When the first lock member is rotated in the closing direction with the open / close lid closed, the link member slides the second lock member and pulls the lock portion of the second lock member toward the device case side. Thus, the lock portion has an opening / closing lid locking structure that locks the edge of the opening / closing lid and presses the opening / closing lid against the device case.

  For this reason, in this waterproof device, by simply rotating and closing the first lock member, the opening / closing lid can be easily pressed against the device case, and the housing portion of the device case can be closed with the opening / closing lid. Therefore, the open / close lid can be reliably locked, and the waterproofness of the entire device can be ensured. When opening the opening / closing lid, when the first locking member is rotated and opened, the link member slides the second locking member in the reverse direction in conjunction with this, and the locking portion of the second locking member is opened and closed. Therefore, it is possible to easily unlock the opening / closing lid and open the opening / closing lid. For this reason, since the opening / closing lid can be opened / closed by a simple operation by simply rotating the first locking member, not only the opening / closing operation is good, but also when the opening / closing lid is closed, the opening / closing lid is securely opened. It can be locked, and the waterproofness of the entire device can be secured.

(Embodiment 1)
A first embodiment in which the present invention is applied to a waterproof disc player will be described below with reference to FIGS.
1 is a perspective view of a disc player to which the present invention is applied as seen from the front side, FIG. 2 is a perspective view of the disc player as seen from the back side, and FIG. 3 is a perspective view showing a state in which the opening / closing lid is opened in FIG. 4 is an exploded perspective view showing the locking device of the opening / closing lid of FIG. 2, FIG. 5 is a plan view of the locking device of FIG. 4, and FIGS. 6 to 11 are enlarged views of the main parts of the locking device of FIG. It is each sectional drawing shown.

  As shown in FIG. 1, the disc player is provided with a display unit 2 and a speaker unit 3 on the front surface of the device case 1, and on the back surface of the device case 1, as shown in FIGS. A disk storage unit 4 for storing a recording medium such as a digital versatile disk is provided. The disk storage unit 4 is opened and closed by an opening / closing lid 5, and a disk reading unit provided in the disk storage unit 4. 6, the data recorded on the stored recording medium such as a DVD is read, information such as video is displayed on the display unit 2 based on the read data, and information such as sound is emitted from the speaker unit 3. Is configured to do.

  In this case, the display unit 2 is a flat display device such as a liquid crystal display device or an EL (electroluminescence) display device, and is provided in almost the entire area in front of the device case 1 as shown in FIG. The speaker unit 3 is provided at the lower part on both sides of the display unit 2 in the front of the device case 1. Various push button switches 7a for menu selection, channel selection, and the like are provided below the display unit 2 on the front side of the device case 1 and between the speaker units 3 on both sides.

  Further, as shown in FIG. 2 and FIG. 3, the disk storage portion 4 is provided on almost the entire area on the back surface of the device case 1. An opening / closing lid 5 that closes the disk storage portion 4 is attached to the device case 1 so that a lower portion thereof can be rotated by a hinge portion 8. A waterproof packing portion 9 is provided on the inner surface of the opening / closing lid 5 in a circular shape so as to surround a recording medium such as a DVD. A battery lid 10 is detachably attached to the back surface of the device case 1 located below the opening / closing lid 5. Further, on the upper surface of the device case 1, there is provided a lock device 11 that locks an open / close lid 5 that closes the disc storage portion 4 so as to be openable and closable. Various push button switches 7b necessary for use are provided.

  By the way, as shown in FIG. 4, the lock device 11 is rotatable on the first lock member 12 having one end rotatably attached to the upper surface of the device case 1 and on the inner surface of the first lock member 12. A second link member 13 is provided, and a second lock portion 15 is provided at one end of the link member 13 so as to be rotatable, and the other end portion of the lock member 15 releasably locks the edge 5a of the opening / closing lid 5. The lock member 14 is provided.

  That is, as shown in FIG. 4 and FIG. 6, the first lock member 12 is formed in a cover shape having an accommodation recess 16 opened on the lower surface side thereof, and is opened and closed at the front end located on the back side of the device case 1. An operation portion 17 is formed, and in this state, a pair of first shaft support portions 18 provided on the front side of the upper surface of the device case 1 is connected to one end portion of the first lock member 12 (the left end portion in FIG. 6B). Is configured to be pivotally attached by a connecting pin 19. In this case, as shown in FIG. 6, the opening / closing operation unit 17 is formed in a shape that is easy for a finger to be hooked because the upper portion swells and protrudes.

  As shown in FIG. 4, the link member 13 is formed in a flat plate shape that is disposed in the housing recess 16 of the first lock member 12, and one end portion thereof (the right end portion in FIG. 6B) is the first lock member. 12 is configured to be rotatably attached to a pair of second shaft support portions 20 provided on the lower surface of 12 by a connecting pin 21. In addition, the second lock member 14 is formed in a flat plate shape disposed in the housing recess 16 of the first lock member 12 and is on one end side located on the side opposite to the lock portion 15 (in FIG. The cutout storage portion 22 into which the link member 13 is inserted is provided on the end portion side).

  That is, the second lock member 14 has the other end of the link member 13 in a state in which the link member 13 is disposed in the notch storage portion 22 as shown in FIGS. 6 (a) and 6 (b). One end portion (left end portion in FIG. 6B) of the second lock member 14 is rotatably attached to the portion (left end portion in FIG. 6B) by the connecting pin 23. In this case, the other end portion (the right end portion in FIG. 6B) of the second lock member 14 is provided with a lock portion 15 that removably locks the edge portion 5a of the upper end of the opening / closing lid 5. As shown in FIGS. 6A and 6B, the lock portion 15 is formed on an inclined surface 15a whose tip surface is inclined inward from the upper part to the lower part.

  Accordingly, as shown in FIGS. 4 and 6, the lock device 11 is configured to push down the first lock member 12 in the closing direction, that is, in a state where the opening / closing lid 5 closes and closes the disk storage portion 4 of the device case 1. As shown in FIG. 6A, the link member 13 slides the second lock member 14 toward the front side (left side in the figure) of the device case 1, and the second lock member 14 is rotated. By pulling the lock portion 15 toward the front side of the device case 1, the lock portion 15 locks the edge portion 5 a of the opening / closing lid 5 and presses the opening / closing lid 5 against the disk storage portion 4 of the device case 1. It is configured as follows.

  On the other hand, when an external force is applied to the opening / closing operation portion 17 of the first lock member 12 toward the inside of the first lock member 12 as shown in FIGS. 4 and 7, the lock portion 15 of the second lock member 14 is applied. An auxiliary lock member 25 that is locked and restricts the opening operation of the first lock member 12 is provided. As shown in FIGS. 4 and 7, the auxiliary lock member 25 is rotatably mounted by a shaft portion 26 in notches 17 a provided on both sides of the opening / closing operation portion 17 of the first lock member 12. The flap 27 and the spring member 28 that is attached to the shaft portion 26 and biases the flap 27 toward the outside of the first lock member 12 are provided.

  As a result, when the external lock is applied to the flap 27 as shown in FIGS. 7A and 7B, the auxiliary lock member 25 causes the shaft 27 to be moved by the flap 27 as shown in FIG. 7B. The flap 27 is rotated against the spring force of the spring member 28 at the center, and the rotated flap 27 comes into contact with the inclined surface 15 a of the lock portion 15 of the second lock member 14, whereby the flap 27 is engaged with the lock portion 15. The first lock member 12 is stopped and prevented from rotating upward.

  Further, as shown in FIGS. 4 and 11, the first lock member 12 is completely disposed on the facing surface where the opening / closing operation portion 17 of the first lock member 12 and the lock portion 15 of the second lock member 14 face each other. A third locking member 30 made of metal that is detachably engaged with each other when closed is provided. As shown in FIGS. 11 (a) and 11 (b), the third lock member 30 includes a first metal plate 31 provided on the front end surface of the lock portion 24 of the second lock member 14, and a first lock. The member 12 includes a second metal plate 32 provided on the inner surface of the opening / closing operation unit 17. The protrusion 32 a provided on the second metal plate 32 gets over the protrusion 31 a provided on the first metal plate 31. By engaging, it is configured to engage with a predetermined engagement force.

Next, the operation of the locking device 11 of the opening / closing lid 5 will be described with reference to FIGS.
As shown in FIG. 3, the opening / closing lid 5 is opened in advance, and a recording medium such as a DVD is stored in the disk storage portion 4 of the device case 1, and the opening / closing lid 5 is closed. In this state, as shown in FIG. 6 (b), the first lock member 12 of the lock device 11 is pivoted upward about the connecting pin 19 of the first shaft support portion 18 to open the second lock member 14. Is pushed toward the back side of the device case 1 by the link member 13, and the lock portion 24 of the second lock member 14 is positioned above the edge portion 5 a of the opening / closing lid 5. Thereby, the open / close lid 5 is in a state that can be opened and closed.

  In this state, when the opening / closing lid 5 is closed and the upper part of the opening / closing operation part 17 of the first lock member 12 is pushed down, as shown in FIG. 8, the first lock member 12 pulls the connecting pin 19 of the first shaft support part 18. The link member 13 that is pivoted downward toward the center and that is attached to the second shaft support portion 20 of the first lock member 12 by the connecting pin 21 is pushed down, and the other end portion of the link member 13 is pushed down. That is, the end on the connection pin 23 side is pressed against the upper surface of the device case 1 and the second lock member 14 is pressed down. At this time, as shown in FIG. 8, the lock portion 15 of the second lock member 14 is also pushed down, and is in a state of being arranged behind the edge portion 5 a of the opening / closing lid 5 (right side in FIG. 8).

  Thereafter, when the first lock member 12 is further pushed down, as shown in FIG. 9, the link member 13 is further pushed down by the first lock member 12, and at the other end of the link member 13, that is, on the connection pin 23 side. Since the end portion is pressed against the upper surface of the device case 1, the link member 13 rotates relative to the inner surface of the first lock member 12 around the connection pin 21, and the link member 13 is connected accordingly. The end on the pin 23 side slides toward the front side of the device case 1 (left side in FIG. 9). Thereby, the 2nd lock member 14 moves toward the front side (left side in FIG. 9) of the apparatus case 1, and the lock part 15 of the 2nd lock member 14 is the edge 5a of the opening-and-closing lid 5 as shown in FIG. To approach.

  When the first lock member 12 is further pushed down, as shown in FIG. 10, the link member 13 rotates about the connecting pin 21 and approaches the inner surface of the first lock member 12. The other end, that is, the end on the connection pin 23 side, slides further along the upper surface of the device case 1 toward the front side of the device case 1 (left side in FIG. 10). Thereby, the 2nd lock member 14 moves further toward the front side (left side in FIG. 10) of the device case 1, and the lock part 24 of the 2nd lock member 14 is the edge part of the opening-and-closing lid 5 as shown in FIG. 5a abuts.

  In this state, when the first lock member 12 is further pushed down, the link member 13 rotates about the connecting pin 21 as shown in FIG. While being stored horizontally, the end of the link member 13 on the side of the connecting pin 23 slides and approaches the connecting pin 19 of the first shaft support 18 provided on the upper surface of the device case 1. As a result, the second lock member 14 further moves toward the front side of the device case 1 (left side in FIG. 6A), and the link member 13 is inserted into the notch storage portion 22 of the second lock member 14. At the same time, the second lock member 14 is stored together with the link member 13 in the storage recess 16 of the first lock member 12 in a substantially horizontal state.

  At this time, since the lock portion 15 of the second lock member 14 is in contact with the edge portion 5a of the opening / closing lid 5, a load is applied to the first lock member 12, and the first lock member 12 is pushed down against this load. Then, as shown in FIG. 6A, the lock portion 15 of the second lock member 14 locks the edge portion 5a of the open / close lid 5 with a predetermined load. As a result, the opening / closing lid 5 is pressed against the back surface of the device case 1, and the waterproof packing portion 9 of the opening / closing lid 5 comes into pressure contact with the inner surface of the disk storage portion 4 of the device case 1. The disc storage portion 4 is closed.

  Further, at this time, the first lock member is formed by the metal third lock member 30 provided on the facing surface where the opening / closing operation portion 17 of the first lock member 12 and the lock portion 15 of the second lock member 14 face each other. Engagement force between 12 and the second lock member 14 is ensured. That is, when the first lock member 12 is completely closed, as shown in FIGS. 4 and 11, the protrusion 31 a of the first metal plate 31 provided on the distal end surface of the lock portion 15 in the second lock member 14 is provided. The engagement force between the first lock member 12 and the second lock member 14 is achieved by the protrusion 32a of the second metal plate 32 provided on the inner surface of the opening / closing operation portion 17 in the first lock member 12 getting over and engaging. Thus, the opening / closing force of the first lock member 12 becomes an appropriate value.

  Further, when unlocking the opening / closing lid 5 by the locking device 11, in the state shown in FIG. 6A, the lock portion 21 of the second locking member 19 has a predetermined load on the edge portion 5 a of the opening / closing lid 5. And the opening / closing operation part 17 of the first lock member 12 is pushed up against the engaging force by the third lock member 30, and the first lock member 12 is rotated upward around the connecting pin 19 of the first shaft support part 18. Move it. Then, contrary to the locking operation described above, the connecting pin 21 of the link member 13 moves upward and the second lock member 14 is slid toward the back side of the device case 1, so that FIG. As shown, the lock of the edge portion 5a of the opening / closing lid 5 by the lock portion 15 of the second locking member 14 is released, whereby the opening / closing lid 5 can be opened.

  Thus, according to the locking device 11 of the opening / closing lid 5, the first locking member 12 having one end portion rotatably attached to the upper surface of the device case 1 and the opening / closing operation portion 17 provided at the other end portion. The link member 13 is rotatably attached to the inner surface of the first lock member 12, and one end portion is rotatably attached to the link member 13, and the edge portion 5a of the opening / closing lid 5 is engaged with the other end portion. And a second lock member 14 provided with a lock portion 15 for releasably locking. When the first lock member 12 is rotated in the closing direction with the opening / closing lid 5 closed, the link member 13 is locked in the second lock state. By sliding the member 14 and pulling the lock portion 15 of the second lock member 14 toward the device case 1, the lock portion 15 locks the edge portion 5 a of the open / close lid 5 and the open / close lid 5 is moved to the device case 1. Can be pressed against Kill.

  For this reason, by simply rotating and closing the first lock member 12, the opening / closing lid 5 can be simply pressed against the device case 1, and the disk storage portion 4 of the device case 1 can be closed by the opening / closing lid 5. Thus, airtightness can be ensured, and the open / close lid 5 can be reliably locked. When opening the opening / closing lid 5, when the first lock member 12 is rotated and opened, the link member 13 slides the second lock member 14 in the reverse direction in conjunction with this, and the second lock member 14 Since the lock portion 15 is detached from the edge portion 5a of the opening / closing lid 5, the opening / closing lid 5 can be easily opened by unlocking the opening / closing lid 5. As a result, the opening / closing lid 5 can be opened and closed with a simple operation of simply rotating the first lock member 12, so that not only the opening / closing operability is good, but also when the opening / closing lid 5 is closed, it is ensured. The open / close lid 5 can be locked.

  In this case, the first locking member 12 is provided with a storage recess 16 opened on the lower surface side thereof, and the link member 13 is formed in a flat plate shape disposed in the storage recess 16 of the first lock member 12, and the second lock The member 14 is formed in a flat plate shape that is disposed in the storage recess 16 of the first lock member 12, and a notch storage portion 22 into which the link member 13 is inserted is provided at one end thereof. When the lock member 12 is closed and the open / close lid 5 is locked, the link member 13 can be stored in the notch storage portion 22 of the second lock member 14, and the link member 13 and the second lock The member 14 can be housed in the housing recess 16 of the first lock member 12, which not only makes the whole compact, but also allows the link member 13 and the second lock member 14 to be viewed from the outside. No reason, appearance becomes neat shape can be obtained as well-designed.

  Further, as shown in FIGS. 4 and 7, when an external force is applied to the opening / closing operation portion 17 of the first lock member 12 toward the inside of the first lock member 12, the lock portion 15 of the second lock member 14 is applied. By providing the auxiliary lock member 25 to be locked, for example, when performing a waterproof performance test of waterproof grade 6 according to JIS standard, water such as tap water is directly sprayed on the opening / closing operation portion 17 of the first lock member 12. Since the auxiliary lock member 25 is locked to the lock portion 15 of the second lock member 14 by the water pressure, the auxiliary lock member 25 can be locked so that the first lock member 12 does not open. The locked state of the opening / closing lid 5 can be reliably maintained.

  That is, as shown in FIGS. 4 and 7, the auxiliary lock member 25 is rotatably mounted by the shaft portion 26 in the notch portions 17 a provided on both sides of the opening / closing operation portion 17 of the first lock member 12. When the waterproof performance test is performed, the flap 27 and the spring member 28 that is attached to the shaft portion 26 and biases the flap 27 toward the outside of the first lock member 12 are provided. 1 The flap 27 of the auxiliary lock member 25 rotates around the shaft portion 26 against the spring force of the spring member 28 due to the pressure of water sprayed on the opening / closing operation portion 17 of the lock member 12. Is brought into contact with and latched on the inclined surface 15a of the lock portion 15 of the second lock member 14.

  Therefore, in the auxiliary lock member 25, when the waterproof performance is inspected, the flap 27 is locked to the lock portion 15 of the second lock member 14 by the pressure of the sprayed water, and the first lock member 12 is opened. Since the operation is blocked, even when an external force is applied to the flap 27, the open / close lid 5 can be reliably maintained in the locked state so that the open / close lid 5 does not open arbitrarily, and the first lock member 12 is opened / closed. Power can be reduced to the minimum necessary. Further, when the first lock member 12 is opened, the flap 27 is rotated by the spring force of the spring member 28 to return to the initial position, and the flap 27 is detached from the lock portion 15 of the second lock member 14. The member 12 can be easily rotated, whereby the opening / closing operability of the first lock member 12 can be improved and the opening / closing lid 5 can be easily opened.

  Further, in this locking device 11, when the opening / closing lid 5 is closed, the first and second engaging portions 17 of the first locking member 12 and the locking portion 15 of the second locking member 14 are detachably engaged with each other. Since the third lock member 30 composed of the two metal plates 31 and 32 is provided, the first and second metal plates 31 and 32 of the third lock member 30 form the first lock member 12 and the second lock member 14. Engagement force can be ensured, whereby the opening / closing force of the first lock member 12 can be set appropriately. In this case, especially by adjusting the engagement force between the first lock member 12 and the second lock member 14 by the third lock member 30, the opening / closing force of the first lock member 12 is increased or decreased. The opening / closing force of the first lock member 12 can be set to a desired value, and a user-friendly one can be obtained.

  Thus, according to this waterproof disc player, since the locking device 11 for the opening / closing lid 5 is provided, the opening / closing lid 5 can be easily removed by simply rotating and closing the first locking member 12. The disk storage portion 4 of the device case 1 can be closed with the opening / closing lid 5, and thus the airtightness can be secured and the opening / closing lid 5 can be securely locked. Can be secured, and the opening / closing lid 5 can be opened and closed by a simple operation of simply rotating the first lock member 12, so that an opening / closing operability is good and a user-friendly one can be obtained. it can.

(Embodiment 2)
Next, a second embodiment of the locking device to which the present invention is applied will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected and demonstrated to the same part as Embodiment 1 shown by FIGS.
The lock device 40 has a configuration in which an auxiliary lock member 41 is different from that in the first embodiment, and the other configuration is substantially the same as that in the first embodiment.

  That is, the auxiliary lock device 41 is similar to the first embodiment in that the flap 27 is rotatably mounted by the shaft portion 26 in the notch portions 17a provided on both sides of the opening / closing operation portion 17 of the first lock member 12. And a spring member 28 that is attached to the shaft portion 26 and biases the flap 27 toward the outside of the first lock member 12 (see FIGS. 4 and 7), as well as shown in FIGS. As described above, the engaging claw 42 provided on the inner surface of the flap 27 and the engaging projection 43 provided on the inclined surface 15a of the lock portion 15 so that the engaging claw 42 of the flap 27 is detachably engaged. It has a configuration with.

  As a result, when an external force is applied to the flap 27, the auxiliary lock member 41 rotates against the spring force of the spring member 28 around the shaft portion 26 as shown in FIG. The flap 27 approaches the inclined surface 15a of the lock portion 15 of the second lock member 14, and the engaging claw 42 of the flap 27 engages with the locking projection 43 provided on the inclined surface 15a of the lock portion 15. Thus, the flap 27 is engaged with the lock portion 15, and the first lock member 12 is configured to be prevented from rotating upward. In addition, the auxiliary lock member 41 normally has the flap 27 rotated about the shaft portion 26 by the spring force of the spring member 28, and the engaging claw 42 of the flap 27 moves from the locking projection 43 of the lock portion 15. It is configured to leave and return to the initial position.

  According to such a locking device 40, in addition to the same effects as those of the first embodiment, the auxiliary locking member 41 is particularly provided with the engaging claw 42 provided on the inner surface of the flap 27, and the inclined surface 15a of the locking portion 15. And the engaging projection 42 of the flap 27 is detachably engaged with the engaging projection 42 of the flap 27 so that an external force is applied to the flap 27 against the spring force of the spring member 28. The engaging claw 42 of the flap 27 is detachably engaged with the engaging projection 43 provided on the locking portion 15 of the second locking member 14, thereby reliably preventing the opening operation of the first locking member 12. Thus, the locked state of the open / close lid 5 can be reliably maintained.

  That is, also in this case, as in the first embodiment, when inspecting the waterproof performance of the waterproof grade 6 in the JIS standard, when water such as tap water is directly sprayed on the opening / closing operation portion 17 of the first lock member 12, The flap 27 is rotated against the spring force of the spring member 28 by the pressure of water, and the engaging claw 42 of the flap 27 engages with the locking projection 43 of the lock portion 24 of the second lock member 14. As compared with the first embodiment, the opening operation of the first lock member 12 can be more reliably prevented, and thereby the open / close lid 5 can be reliably maintained in the locked state so that the open / close lid 5 does not open arbitrarily. This can also reduce the opening / closing operation force of the first lock member 12.

(Embodiment 3)
Next, with reference to FIGS. 14-17, Embodiment 3 of the locking device to which this invention is applied is described. Also in this case, the same portions as those in the first embodiment shown in FIGS.
The lock device 50 has a configuration in which the auxiliary lock member 51 is provided in a central portion excluding both sides of the opening / closing operation portion 17 of the first lock member 12, and the other configuration is substantially the same as that of the first embodiment.

  That is, as shown in FIG. 14, a notch 52 is formed in the central part of the opening / closing operation part 17 of the first locking member 12 excluding both side parts. The auxiliary locking device 51 includes a horizontally long flap 53 rotatably attached by a shaft portion 26 in a notch portion 52 provided in the opening / closing operation portion 17 of the first lock member 12, and positions on both sides of the flap 53. And a pair of spring members 28 attached to the shaft portion 26.

  Therefore, as in the first embodiment, when an external force is applied to the flap 53, the auxiliary lock member 51 resists the spring force of the pair of spring members 28 around the shaft portion 26 as shown in FIG. The flap 53 comes into contact with the inclined surface 15a of the lock portion 15 of the second lock member 14, whereby the flap 53 is locked to the lock portion 15, and the first lock member 12 rotates upward. It is configured to prevent it from moving. In addition, the auxiliary lock member 51 is usually configured such that the flap 53 rotates around the shaft portion 26 by the spring force of the spring member 28, leaves the inclined surface 15 a of the lock portion 15, and returns to the initial position. ing.

  According to such a locking device 50, the auxiliary lock member 51 is provided in the central portion excluding both sides of the opening / closing operation portion 17 of the first lock member 12. When inspecting the waterproof performance of the grade, the flap 53 of the auxiliary lock member 51 is locked to the lock portion 15 of the second lock member 14 by the pressure of the sprayed water, so that the first lock member 12 does not open. In addition, it is possible to lock the first lock member 12 so that the first lock member 12 does not open even if the device case 1 is carried, especially when the first lock member 12 is erroneously grasped and lifted.

  That is, when the device case 1 is carried, if the first lock member 12 is mistakenly grasped and lifted, the flap 53 of the auxiliary lock member 51 is pushed toward the inside of the first lock member 12, so that the flap 53 is The first locking member 12 can be locked so as not to open by being locked by the locking portion 15 of the second locking member 14. Therefore, even if the first lock member 12 is grasped and lifted, the open / close lid 5 can be reliably maintained in a locked state so that the open / close lid 5 does not open without permission, and the first lock member 12 is opened / closed. Power can be reduced to the minimum necessary.

  Also in this auxiliary lock member 51, normally, the flap 53 is rotated around the shaft portion 26 by the spring force of the spring member 28, and is separated from the inclined surface 15a of the lock portion 15 to return to the initial position. When the first locking member 12 is opened, the first locking member 12 can be easily rotated by operating the opening / closing operation portions 17 located on both sides of the flap 53 in the opening direction, whereby the first locking member Thus, the opening / closing operability of the opening / closing lid 5 can be easily opened.

  In the auxiliary lock member 51 of the third embodiment, as in the second embodiment, the engagement claw 42 is provided on the inner surface of the flap 53, and the engagement claw 42 of the flap 53 is engaged with and disengaged from the inclined surface 15a of the lock portion 15. The structure which provided the latching protrusion 43 which engages possible is also sufficient. With this configuration, as in the second embodiment, when an external force is applied to the flap 53 against the spring force of the spring member 28, the engaging claw 42 of the flap 53 is engaged with the lock portion 15 of the second lock member 14. The first locking member 12 can be reliably prevented from opening by engaging with the locking projection 43 provided on the first and second engagement members 43, thereby reliably maintaining the locked state of the opening / closing lid 5. be able to.

  In the above-described first to third embodiments, the lock devices 11, 40, and 50 of the open / close lid 5 have been described as applied to a waterproof disc player. However, the present invention is not limited to a waterproof disc player, and is not necessarily waterproof. In addition to being applicable to a disc player, it can also be widely applied to various devices such as an electronic camera, a mobile phone, and a PDA (personal digital assistant).

  Furthermore, in the first to third embodiments, the case where the waterproof device is applied to a waterproof disc player has been described. However, the present invention is not limited to this and is widely applied to various waterproof devices such as an electronic camera, a mobile phone, and a PDA. can do.

It is the perspective view which looked at the disc player to which this invention is applied from the front side. (Embodiment 1) It is the perspective view which looked at the disc player of FIG. 1 from the back side. It is the perspective view which showed the state which opened the opening-and-closing lid in FIG. It is the disassembled perspective view which showed the locking device of FIG. It is the top view which showed the locking device of FIG. The AA cross section in the locking device of Drawing 5 is shown, (a) is an expanded sectional view showing the locked state, and (b) is an expanded sectional view showing the unlocked state. 5A and 5B are cross-sectional views taken along the line B-B of the locking device of FIG. 5, in which FIG. 5A is an enlarged cross-sectional view showing a normal state of the auxiliary lock member, and FIG. It is the expanded sectional view which showed the state which pushed down the 1st lock member a little in the unlocking state of FIG.6 (b). FIG. 9 is an enlarged cross-sectional view illustrating a state where the first lock member is further pressed down in the state of FIG. 8. FIG. 10 is an enlarged cross-sectional view illustrating a state in which the first lock member is further pushed down from the state of FIG. 9 and the lock portion draws the edge of the opening / closing lid toward the device case. 4 shows the third lock member of FIG. 4, (a) is an enlarged cross-sectional view showing a state in which the engaging claw of the first metal plate is engaged with the locking projection of the second metal plate, and (b) is the first It is the expanded sectional view which showed the state before the engaging claw of a metal plate engages with the latching protrusion part of a 2nd metal plate. 1 is an enlarged sectional view showing a locking device of a disc player to which the present invention is applied. (Embodiment 2) It is the expanded sectional view which showed the state in which the external force was added to the auxiliary | assistant lock member in the locking device of FIG. 1 is an exploded perspective view showing a locking device of a disc player to which the present invention is applied. (Embodiment 3) It is a top view of the locking device of FIG. It is an expanded sectional view in the CC arrow of FIG. It is an expanded sectional view which showed the locked state of the auxiliary | assistant lock member in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Device case 4 Disc storage part 5 Opening / closing lid 5a Opening / closing lid edge 11, 40, 50 Locking device 12 First lock member 13 Link member 14 Second lock member 15 Lock part 16 Storage recess 17 Opening / closing operation part 22 Notch storage Part 25, 41, 51 Auxiliary lock member 26 Shaft part 27, 53 Flap 28 Spring member 30 Third lock member 42 Engaging claw 43 Locking protrusion

Claims (8)

In the locking device of the opening and closing lid that locks the opening and closing lid that closes the storage part of the device case so as to be opened and closed,
A first lock member having one end rotatably attached to the device case and an opening / closing operation portion provided at the other end; a link member rotatably attached to the inner surface of the first lock member; A second lock member provided with a lock portion that is rotatably attached to one end portion of the link member and removably locks the edge portion of the opening / closing lid at the other end portion;
When the first lock member is rotated in the closing direction with the open / close lid closed, the link member slides the second lock member and draws the lock portion toward the device case. An opening / closing lid locking device, wherein the locking portion locks the edge of the opening / closing lid and presses the opening / closing lid against the device case.   The first lock member has a storage recess opened on the lower surface side thereof, the link member is formed in a flat plate disposed in the storage recess of the first lock member, and the second lock member is The first lock member is formed in a flat plate shape disposed in the storage recess, and a notch storage portion into which the link member is inserted is provided at a portion located on the opposite side of the lock portion. The opening / closing lid locking device according to claim 1.   When an external force is applied to the opening / closing operation portion of the first lock member toward the inside of the first lock member, the opening operation of the first lock member is engaged with the lock portion of the second lock member. 3. An opening / closing lid locking device according to claim 1, wherein an auxiliary locking member is provided for regulating the opening / closing lid.   The auxiliary lock member includes a flap rotatably attached to the opening / closing operation portion of the first lock member, and a spring member that biases the flap toward the outside of the first lock member, When an external force is applied to the flap, the flap rotates against the spring force of the spring member, and the rotated flap is locked to the lock portion of the second lock member. The opening / closing lid locking device according to claim 3.   The auxiliary lock member includes a flap rotatably attached to the opening / closing operation portion of the first lock member, a spring member that urges the flap toward the outside of the first lock member, and the flap. An engaging claw provided on the locking portion of the second locking member, and an engaging portion on which the engaging claw of the flap is detachably engaged, and an external force is applied to the flap. Sometimes, the flap rotates against the spring force of the spring member so that the engaging claw of the rotated flap can be engaged with and disengaged from the locking portion of the lock portion of the second lock member. The opening / closing lid locking device according to claim 3, wherein the locking device is engaged.   6. The opening / closing lid locking device according to claim 3, wherein the auxiliary locking member is provided at a central portion of the first locking member excluding both sides of the opening / closing operation portion.   And a third locking member that engages and disengages the opening / closing operation portion of the first locking member and the locking portion of the second locking member when the opening / closing lid is closed. The opening / closing lid locking device according to any one of claims 1 to 6. In a waterproof device having an open / close lid that freely closes and closes the housing of the device case,
A first lock member having one end portion rotatably attached to the device case and an opening / closing operation portion provided at the other end portion, and a link member rotatably attached to the inner surface of the first lock member; The link member is provided with a second lock member having one end portion pivotably attached thereto and a lock portion that removably locks the edge of the opening / closing lid at the other end portion.
When the first lock member is rotated in the closing direction with the open / close lid closed, the link member slides the second lock member and draws the lock portion toward the device case. The waterproof device comprising: a lock structure for the open / close lid, wherein the lock portion locks the edge portion of the open / close lid so that the open / close lid is pressed against the device case.

Images