JP2015059312A - Lock mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lock mechanism which suppresses rattling of a lid with respect to a support body.SOLUTION: A lock mechanism 5 of a glove box 1 having a lid 4 closing an opening 2 of an instrument panel 3 includes: a lock hole which is provided in the instrument panel 3; a lock pin 28 which is displaceably supported between a first position and a second position, is locked in the lock hole at the first position, is expandable and contractible, and is energized by a pin energizing member in an expanded state; a slider 27 which is provided in the lid 4 and when the lid 4 exists in the vicinity of a closed position, abuts on an inclined surface 18A to displace the lock pin 28 to the first position; an operation part 22 which is displaceably provided in the lid 4; and a link member 23 which is displaced according to the displacement of the operation part 22 and shortens a lock member located at the first position against an energizing force of a pin energizing member to separate the lock member from the lock hole.

Description

  The present invention relates to a lock mechanism that maintains a lid that opens and closes an opening in a closed position.

  A glove box provided on an instrument panel of an automobile is provided with a lock mechanism that maintains the lid in a closed position (for example, Patent Document 1). The lock mechanism according to Patent Document 1 is provided between an instrument panel (support) in which an opening is formed and a lid that is rotatably supported by the instrument panel. The lock mechanism has a lock hole formed in the instrument panel and a latch provided in the lid. The latch protrudes from the lid by the biasing force of the compression coil spring and engages with the lock hole. The latch is movable against the urging force of the compression coil spring by a cam member that rotates according to the rotation of the operation handle provided on the lid, and can be detached from the lock hole. As described above, the lock mechanism maintains the lid in the closed position by the engagement between the latch that moves forward and backward by the operation of the operation handle and the lock hole.

  However, the lock mechanism according to Patent Document 1 has a problem that the lid rattles against the instrument panel due to the gap between the latch and the lock hole. In addition, there is a problem that rattling in the thrust direction and the radial direction due to the rotation axis of the lid also occurs.

  In order to solve the above-described problems, there is one in which an urging device is interposed between the lid and the instrument panel to eliminate rattling between the lid and the instrument panel (for example, Patent Document 2). The urging device according to Patent Document 2 includes a base provided on a side surface of the lid, a contact body rotatably connected to the base, and a torsion coil spring provided between the base and the contact body. And the rattling between a lid and an instrument panel is suppressed because the contact body urged | biased by the torsion coil spring contacts the instrument panel slidably.

Japanese Patent No. 3811626 JP 2010-215102 A

  However, in order to eliminate the rattling between the lid and the instrument panel, there is a problem that the number of parts increases when an urging device, which is a separate member as in Patent Document 2, is provided. Further, there is a problem that a space for arranging the urging device on the lid must be secured and a portion where the urging device can slide on the instrument panel must be secured.

  In view of the above background, the present invention has an object to suppress rattling of a lid with respect to a support without providing another independent component in a lock mechanism that maintains a lid that opens and closes an opening in a closed position. To do.

  In order to solve the above-mentioned problems, the present invention provides a support (3) having an opening (2), and a lid (4) rotatably provided on the support to open and close the opening. A locking mechanism (5) provided in a storage device (1) having a closed position that closes the opening, the locking mechanism (5) provided in the support, and a lid The first urging member (53) is supported by the first urging member (53) so as to be displaceable between the projecting first position and the submerged second position. A lock member (28) biased in an extended state; and provided on the lid, and displaces in contact with an edge (15, 18A) of the opening when the lid is in the vicinity of a closed position. Force transmitting means (27) for displacing the member to the first position; An operating portion (22, 62) provided on the lid so as to be displaceable, and the urging force of the first urging member that displaces the lock member in the first position according to the displacement of the operating portion by operation. And a link member (23) for shrinking the lock member to disengage the lock member from the locking portion.

  According to this configuration, when the lid is in the vicinity of the closed position, the force transmission member that drives the lock member comes into contact with the edge of the opening, so that the lid is disposed at a predetermined position with respect to the support body. The surface difference with the support is suppressed. Further, rattling of the lid with respect to the support is suppressed. Further, after the lock member is displaced to the first position by the force transmission member, the link member is released from the locking portion by contracting the lock member, and the lid can be opened and closed.

  In the above invention, the force transmission means includes a slider (27) supported by the lid so as to be displaceable between a third position protruding from the lid toward the opening and a fourth position immersed in the lid. A second biasing member (29) provided between the lid and the slider and biasing the slider to the third position. When the lid is displaced to the closed position, the slider is moved to the closed position. It is good to contact | abut to the edge part of opening and to displace to the said 4th position side against the urging | biasing force of a said 2nd urging | biasing member.

  According to this configuration, since the slider is urged by the second urging member, the lid is further arranged at a predetermined position with respect to the support. Further, rattling of the lid with respect to the support is further suppressed.

  In the above invention, the slider has a first cam portion (44), is in sliding contact with the lock member in the first cam portion, and the lock member is in the third position when the slider is in the third position. The lock member may be displaced to the first position side when the slider is displaced to the fourth position side.

  According to this configuration, the lock member can be displaced according to the displacement of the slider with a simple configuration.

  In the above invention, the lock member includes a base end member (52) that is in sliding contact with the first cam portion of the slider, and a front end member (51) that is displaceably engaged with the base end member within a predetermined range. The first urging member may be provided between the base end member and the distal end member, and may be urged in a direction in which the length of the lock member becomes longer.

  According to this configuration, the lock member can be expanded and contracted.

  In the above invention, the tip member has a convex portion (57), and the link member is a second cam portion (71 that is engageable with the convex portion when the lock member is in the first position). When the lock member is in the first position, the link member is displaced, whereby the convex portion is pushed by the second cam portion and the lock member is contracted.

  According to this configuration, the lock member can be contracted by the link member in the first position, and can be detached from the locking portion.

  In the above invention, the edge of the opening has an inclined surface (18A) facing the center side and the outward side of the opening, and the slider may abut against the edge of the opening on the inclined surface. .

  According to this configuration, since the inclined surface faces the center side and the outside of the opening, the lid provided with the slider that contacts the inclined surface is urged to the center side and the outside of the opening, and rattling is suppressed. .

  According to the above configuration, in the lock mechanism that maintains the lid that opens and closes the opening in the closed position, it is possible to suppress the rattling of the lid with respect to the support body without providing other independent components.

Exploded perspective view of glove box Front view of lock mechanism Top view of the locking mechanism The perspective view which shows the operation part of a lock mechanism (omitting the operation part housing) The perspective view which looked at the operation part of the lock mechanism from back The perspective view which looked at the operation part of the lock mechanism from the front A perspective view of the operating unit viewed from the rear through the operating unit housing Exploded perspective view of lock pin Perspective view showing a part of the opening edge of the instrument panel Sectional drawing which shows the positional relationship of the action | operation part of a locking mechanism, and the opening edge of an instrument panel Sectional drawing which shows the action | operation of the locking mechanism in the 1st state at the time of closing a lid (equivalent to the AA cross section of FIG. 10) Sectional drawing which shows the action | operation of the locking mechanism in the 1st state at the time of closing a lid (it corresponds to the BB cross section of FIG. 10, and abbreviate | omits an action | operation part housing) Sectional drawing which shows the action | operation of the locking mechanism in the 2nd state at the time of closing a lid (equivalent to the AA cross section of FIG. 10) Sectional drawing which shows the action | operation of the locking mechanism in the 2nd state at the time of closing a lid (it corresponds to the BB cross section of FIG. 10, and abbreviate | omits an action | operation part housing) Sectional drawing which shows the action | operation of the locking mechanism in the 3rd state at the time of closing a lid (equivalent to the AA cross section of FIG. 10) Sectional drawing which shows the action | operation of the locking mechanism in the 3rd state at the time of closing a lid (it corresponds to the BB cross section of FIG. 10, and abbreviate | omitting and shows an operation part housing die) Sectional drawing which shows the action | operation of the locking mechanism at the time of closing a lid (equivalent to the AA cross section of FIG. 10) Sectional drawing which shows the action | operation of the locking mechanism at the time of closing a lid (corresponding to the BB cross section of FIG.

  Hereinafter, an embodiment in which the present invention is applied to a lock mechanism of an automobile glove box will be described in detail with reference to the drawings. In the following description, each direction is determined based on the coordinate axes shown in FIG.

  FIG. 1 is an exploded perspective view of a glove box. As shown in FIG. 1, a glove box 1 that is a storage device is supported by an instrument panel (support body) 3 in which an opening 2 is formed toward the rear, and the instrument panel 3 so as to be rotatable. The lid 4 is provided between the lid 4 and the instrument panel 3, and the lock mechanism 5 is provided between the lid 4 and the instrument panel 3 to maintain the opening 2 in the closed position with respect to the instrument panel 3.

  The lid 4 includes a front member 11 and a back member 12 joined to each other. The back member 12 includes a plate-like portion 12A formed in a substantially rectangular shape, and an upper side wall 12B, a left and right side wall 12C, and a lower side wall (not shown) erected on the front side along the periphery of the plate-like portion 12A. It has a shallow dish shape. The front member 11 has a plate shape formed in a substantially rectangular shape, and is joined to the protruding ends of the side walls 12B and 12C of the back member 12. As a result, the lid 4 forms an internal space between the front member 11 and the back member 12. Support shafts 14 protruding in the left-right direction are formed coaxially with each of the lower portions of the left and right side walls 12B of the back member 12. Each support shaft 14 is supported by a bearing hole (not shown) formed in the instrument panel 3 so that the lid 4 is rotatably supported by the instrument panel 3.

  The opening 2 of the instrument panel 3 is formed in a substantially square shape so that the lid 4 in the closed position can be received. On the edge 15 of the opening 2, there are an upper wall 15A that faces the upper side wall 12B of the lid 4 in the closed position with a predetermined gap, and a lateral wall 15B that faces the left and right side walls 12B with a predetermined gap. Is formed. A restriction wall 15 </ b> C that protrudes toward the center of the opening 2 and extends up and down is provided at a portion of the left and right lateral walls 15 </ b> B displaced from the opening ends by a predetermined distance. The restriction wall 15 </ b> C has a side surface facing the outside of the opening 2.

  FIG. 9 is a perspective view showing a part of the opening edge of the instrument panel. As shown in FIG. 9, lock holes (locking portions) 17 that are recessed upward are formed at both left and right ends of the upper wall 15 </ b> A. The lock hole 17 may be either a through hole or a bottomed hole. As shown in FIGS. 1 and 9, ribs 18 projecting from the lateral wall 15 </ b> B and the regulating wall 15 </ b> C project from the boundary between the left and right lateral walls 15 </ b> B and the regulating wall 15 </ b> C. The rib 18 is formed in a substantially right triangle when viewed from the vertical direction, and has a thickness in the vertical direction. The rib 18 has an inclined surface 18 </ b> A that faces the center side (center side in the left-right direction) of the opening 2 and the outside (rear side) of the opening 2 in a portion corresponding to the hypotenuse of a right triangle. The straight line orthogonal to the inclined surface 18A has a predetermined angle larger than 0 ° and smaller than 90 ° with respect to the axial direction (front-rear direction) of the opening 2 in plan view.

  FIG. 2 is a front view of the lock mechanism, and FIG. 3 is a plan view of the lock mechanism. As shown in FIGS. 2 and 3, the lock mechanism 5 includes a pair of left and right actuating portions 21 that engage with the lock hole 17 of the instrument panel 3, an operation portion 22 that is operated by a human hand, and an operation portion. And a pair of left and right link members 23 for transmitting 22 operation inputs to the pair of left and right operating parts 21. In the following description, the top, bottom, front and back of each member are defined based on the state in which the lid 4 is in the closed position. The operating unit 21, the operation unit 22, and the link member 23 are provided on the back member 12 in the internal space of the lid 4. The operation part 21 is provided in the upper part of the front side surface of the back member 12 and the central part in the left-right direction. The pair of left and right actuating portions 21 are provided at the upper portion of the front side surface of the back member 12 and at the left end portion and the right end portion in the left-right direction.

  Since the pair of left and right actuating portions 21 are symmetric, the right actuating portion 21 will be described below as a representative. 5 is a perspective view of the operating portion of the locking mechanism as viewed from the rear, FIG. 6 is a perspective view of the operating portion of the locking mechanism as viewed from the front, and FIG. 7 is a perspective view of the operating portion housing through the operating portion housing. It is the perspective view seen from. As shown in FIGS. 5 to 7, the operating portion 21 includes an operating portion housing 26, a slider (force transmitting means) 27, a lock pin 28 (lock member), and a slider urging member (second urging member). 29. The operating portion housing 26 has a plurality of fastening seats 31 and is fastened to the front side surface of the back member 12 by bolts, screws, or the like.

  A pin hole 32 that receives the lock pin 28 and a slider hole 33 that receives the slider 27 are formed in the operating portion housing 26. The pin hole 32 extends in the vertical direction, and the upper end is opened at the upper end portion of the operating portion housing 26. The slider hole 33 is inclined to the left and right and extends in the front-rear direction. A front end of the slider hole 33 opens at the front end of the operating unit housing 26, and a rear end of the slider hole 33 opens at the rear end of the operating unit housing 26. The slider hole 33 is inclined to the left and right with respect to the front-rear direction so that the front end thereof is disposed to the right of the rear end. The lower end of the pin hole 32 communicates with an intermediate portion of the slider hole 33 in the front-rear direction. The operating part housing 26 has an upper end facing the upper side wall 12B of the back member 12, a front end facing the plate-like part 12A of the back member 12, and a right end of the operating part housing 26 facing the right side wall 12B of the back member 12. Opposite. The upper side wall 12 </ b> B of the back member 12 has a first through hole 35 at a portion corresponding to the upper end of the pin hole 32. Further, the plate-like portion 12 </ b> A of the back member 12 has a second through hole 36 at a portion corresponding to the front end of the slider hole 33. The second through hole 36 of the plate-like portion 12A of the back member 12 extends rightward, and the right end extends into the right side wall 12B.

  The slider 27 is supported by the slider hole 33 so as to be slidable, and is movable in the front right direction and the rear left direction. The slider 27 has a stopper (not shown), and when the stopper abuts against the operating portion housing 26, the movement in the front right direction is restricted at a predetermined position. That is, the front end position of the slider 27 with respect to the operating portion housing 26 is determined by the stopper. At the front end position of the slider 27, the front end portion 38 passes through the front end opening of the slider hole 33 and the second through hole 36 of the back member 12, and projects forward from the back member 12. The front end portion 38 of the slider 27 is chamfered and formed into a smooth curved surface.

  Guide ribs 41 are provided on the left and right sides of the slider 27 so as to project forward and backward. A guide groove 42 for receiving the guide rib 41 is formed in the hole wall of the slider hole 33. The engagement of the guide rib 41 and the guide groove 42 stabilizes the posture of the slider 27 with respect to the slider hole 33.

  A spring accommodating portion 43 communicating with the slider hole 33 is formed in the lower portion of the operating portion housing 26. The spring accommodating portion 43 is a concave portion extending vertically, and the upper end communicates with the slider hole 33. The spring accommodating portion 43 accommodates a slider urging member 29 that is a torsion coil spring. One end of the slider urging member 29 engages with the wall portion of the spring accommodating portion 43, and the other end extends into the slider hole 33 and engages with the slider 27. The slider 27 is urged to the front right side by the slider urging member 29 and is located at the front end position in the initial state.

  As shown in FIG. 7, a slider-side cam portion (first cam portion) 44 is formed at the rear portion of the slider 27. The slider-side cam portion 44 has an inclined plate 46 that is inclined so as to advance upward as it advances to the front right. The inclined plate 46 is formed with a slit 47 penetrating vertically and extending in the longitudinal direction (front right) of the slider 27. The rear end of the slit 47 reaches the rear end of the slider 27 and is an open end.

  FIG. 8 is an exploded perspective view of the lock pin. As shown in FIG. 8, the lock pin 28 has a cylindrical distal end member 51 that is open at one end and closed at the other end, a rod-like proximal end member 52 that is removably received by the distal end member 51, and a distal end. Inside the member 51, a pin urging member (first urging member) 53, which is a compression coil spring, is provided between the distal end member 51 and the proximal end member 52. The pin urging member 53 urges the distal end member 51 in a direction in which the proximal end member 52 protrudes. The proximal end member 52 has a stopper (not shown), and the protruding position with respect to the distal end member 51 is determined by the stopper being locked to the distal end member 51. That is, the lock pin 28 can be expanded and contracted, and is urged to the most extended state by the pin urging member 53. A locking piece 54 projects from the protruding end of the base end member 52. The locking piece 54 is formed in a hook shape whose tip is bent into an L shape.

  As shown in FIGS. 5 to 7, the lock pin 28 is received in the lock hole 17 so that the distal end member 51 is on the upper side and the proximal end member 52 is on the lower side. In a state where the lock pin 28 is received in the lock hole 17, the protruding end (lower end) of the base end member 52 contacts the inclined plate 46 of the slider-side cam portion 44 of the slider 27. The locking piece 54 formed at the protruding end of the base end member 52 passes through the slit 47 of the slider 27 and engages with the edge of the slit 47 from the lower surface side. As a result, the lock pin 28 is engaged with the slider 27, and the escape from the lock hole 17 is suppressed. Further, the slider 27 can be moved in the front-rear direction by the engagement between the protruding end of the base end member 52 and the inclined plate 46 and the engagement between the locking piece 54 and the edge of the slit 47 (inclined plate 46). In response, the lock pin 28 moves up and down. When the slider 27 is located at the front end position, the base end member 52 of the lock pin 28 is located at the lowest lower end position. When the slider 27 moves rearward from this state, the protruding end of the base end member 52 is pushed by the inclined plate 46, and the second member moves upward. That is, when the slider 27 moves rearward, the lock pin 28 moves upward due to the engagement between the slider-side cam portion 44 and the base end member 52. When the locking piece 54 of the base end member 52 is locked to the edge of the front end of the slit 47, the base end member 52 is positioned at the uppermost upper end position.

  As shown in FIG. 6, the operating part housing 26 has an exposed hole 56 that penetrates from the front part to the lower part of the pin hole 32. The lower portion of the front side surface of the distal end member 51 of the lock pin 28 is exposed to the outside of the operating portion housing 26 by the exposure hole 56. FIG. 10 is a cross-sectional view showing the positional relationship between the operating portion of the lock mechanism and the opening edge of the instrument panel. As shown in FIG. 10, a columnar locking projection 57 that protrudes forward is provided at the lower part of the front surface of the tip member 51. The exposure hole 56 is large in the vertical direction with respect to the locking convex portion 57, and the locking convex portion 57 is movable up and down in the exposure hole 56.

  FIG. 4 is a perspective view showing the operation unit of the lock mechanism (the operation unit housing is omitted). As shown in FIGS. 1 to 4, the operation unit 22 includes an operation unit housing 61 joined to the rear surface of the back member 12, and a lever (handle) 62 that is rotatably supported by the operation unit housing 61. doing. The lever 62 has a pivot shaft extending in the left-right direction at an upper portion thereof, and a lower end thereof is a free end. A lever urging member 65, which is a torsion coil spring, is interposed between the lever 62 and the operation unit housing 61. The lever 62 is urged to an initial position where the free end approaches the back member 12 side (front side). Has been. The front member 11 has a lever hole 63 that is a through hole in a portion corresponding to the lever 62. The lever 62 is exposed to the rear of the lid 4 through the lever hole 63, and the operator can grip the lever 62 through the lever hole 63. The lever 62 is formed with a pair of left and right pressing pieces 64 that are convex portions protruding in a columnar shape.

  The pair of left and right link members 23 are members that extend in the left-right direction, and are formed symmetrically with each other. The left end portion of the right link member 23 is supported by the operation portion housing 61 so as to be displaceable within a predetermined range along the left-right direction. Similarly, the right end portion of the left link member 23 is supported by the operation portion housing 61 so as to be displaceable within a predetermined range along the left-right direction. The right link member 23 has a stopper (not shown), and the rightward movement of the right link member 23 is restricted at a predetermined position by abutting the operation portion housing 61. Similarly, the left link member 23 has a stopper (not shown), and the stopper abuts against the operation portion housing 61, so that the leftward movement is restricted at a predetermined position. A link urging member 66 that is a torsion coil spring is interposed between the left and right link members 23, and the left and right link members 23 are urged in directions away from each other. Thus, normally, the right link member 23 is positioned on the rightmost side within the displaceable range, and the left link member 23 is positioned on the leftmost side within the displaceable range.

  As shown in FIG. 4, a first link side cam portion 68 that is an inclined surface is formed at the left end portion of the right link member 23 and the right end portion of the left link member 23, respectively. The pressing piece 64 of the lever 62 can come into contact with each first link side cam portion 68. When the lever 62 is rotated from the initial position against the biasing force of the torsion coil spring by the operation of the operator, the left and right pressing pieces 64 push the first link side cam portions 68 of the left and right link members 23, respectively. . Each first link side cam portion 68 converts the load applied by the pressing piece 64 into a load in a direction in which each link member 23 approaches each other. Thereby, according to rotation of the lever 62, each link member 23 moves to the direction which approaches each other against the urging | biasing force of the link urging | biasing member 66, ie, the center side in the left-right direction. That is, according to the rotation of the lever 62 from the initial position, the right link member 23 moves to the left, and the left link member 23 moves to the right. When the lever 62 rotates to the initial position side, the pressing piece 64 moves backward, and the right link member 23 moves to the right and the left link member 23 moves to the left by the urging force of the link urging member 66. .

  As shown in FIG. 6 and FIG. 12, which will be described later, a second link side cam portion (second cam portion) 71 which is a bottomed cam groove recessed forward on the rear surface of the right end portion of the right link member 23. Is formed. The second link side cam portion 71 has a lower portion opened at the lower end of the link member 23. The right portion of the second link side cam portion 71 is formed with a cam surface 72 whose surface faces leftward and downward. When the lock pin 28 is in the lower end position, the locking projection 57 is located below the second link side cam portion 71. When the lock pin 28 moves from the lower end position to the upper end position, the locking convex portion 57 moves into the second link side cam portion 71. When the lock pin 28 is in the upper end position, the locking projection 57 is positioned in the vicinity of the upper end of the cam surface 72 in the second link side cam portion 71. Accordingly, when the right link member 23 moves to the left when the lock pin 28 is at the upper end position, the cam surface 72 pushes the locking projection 57 downward, and the tip member 51 pushes the biasing force of the compression coil spring. Against the base end member 52 side. Since the proximal end member 52 is engaged with the slider 27 and the position thereof is regulated by the slider, the distal end member 51 is displaced to the proximal end member 52 side, so that the lock pin 28 contracts more than the normal length. . When the right link member 23 moves to the right again, the cam surface 72 is separated from the locking projection 57, so that the lock pin 28 is extended by the urging force of the pin urging member 53 and returns to the normal length.

  Thus, when the lock pin 28 is at the upper end position, the lock pin 28 is contracted by the operation of the lever 62. On the other hand, when the lock pin 28 is in the lower end position, the locking projection 57 is separated from the locking surface of the second link side cam portion 71, so that the lock pin 28 does not expand and contract even when the lever 62 is operated. Maintain normal length.

  The left link member 23 is provided with a second link side cam portion 71 which is symmetrical with the second link side cam portion 71 of the right link member 23 and has the same function.

  Next, the operation of the lock mechanism 5 when the lid 4 is opened and closed will be described with reference to FIGS. FIGS. 11-16 is sectional drawing which shows the action | operation part 21 of the lock mechanism 5 in each state at the time of closing the lid 4. FIGS. 17 and 18 are cross-sectional views showing the operating portion 21 of the lock mechanism 5 when the glove box is opened.

  As shown in FIG. 11, when the lid 4 has not reached the closed position and the slider 27 is separated from the rib 18, that is, the lid 4 is opened (first state), the slider urging member 29 is provided. The slider 27 urged by is positioned at the front end position. Thereby, the lock pin 28 engaged with the slider-side cam portion 44 of the slider 27 is located at the lower end position. The lock pin 28 is urged by a compression coil spring and is in an extended state, and its upper end surface is disposed at a position that is substantially flush with the upper surface of the upper side wall 12B of the back member 12. At this time, as shown in FIG. 12, the locking convex portion 57 of the lock pin 28 is disposed at a position separated from the second link side cam portion 71 of the link member 23 and is separated from the cam surface 72. Therefore, even if the lever 62 is operated and the link member 23 moves to the left and right, the locking projection 57 does not come into contact with the cam surface 72.

  When the movement of the lid 4 in the closing direction proceeds from the first state shown in FIGS. 11 and 12 and the front end portion 38 of the slider 27 comes into contact with the rib 18, the second state shown in FIGS. As shown in FIG. 13, in the second state, since the front end of the slider 27 is in contact with the inclined surface 18A of the rib 18, when the lid 4 moves in the closing direction (forward), the slider 27 moves to the slider biasing member 29. It moves backward in the slider hole 33 against the urging force. As a result, the lock pin 28 engaged with the slider-side cam portion 44 of the slider 27 moves upward from the lower end position, and the tip member 51 that forms the upper end protrudes above the upper surface of the back member 12. As the lock pin 28 (base end member 52) moves upward, the upper end surface of the first member comes into contact with the upper wall 15A. At this time, since the lid 4 has not yet reached the closed position, the tip member 51 does not face the lock hole 17 and cannot enter the lock hole 17. As the upward movement of the base end member 52 proceeds, the pin urging member 53 contracts and the lock pin 28 contracts. Thereby, according to the movement of the lid 4 to the closed position, the tip member 51 urged by the pin urging member 53 slides on the upper wall 15A while maintaining contact with the upper wall 15A. As shown in FIG. 14, in the second state, the locking projection 57 provided on the tip member 51 moves upward and enters the second link side cam portion 71.

  If the lid 4 further moves in the closing direction from the second state shown in FIGS. 13 and 14, the third state shown in FIGS. 15 and 16 is obtained. As shown in FIG. 15, when the lid 4 reaches the closed position, the distal end member 51 of the lock pin 28 and the lock hole 17 face each other, and the distal end member 51 urged by the pin urging member 53 expands to lock. It rushes into the hole 17. Thus, the lid 4 is maintained in the closed position by the lock pin 28 being engaged with the lock hole 17. As shown in FIG. 16, when the tip member 51 of the lock pin 28 enters the lock hole 17, the locking convex portion 57 provided on the tip member 51 moves upward in the second link side cam portion 71. The cam surface 72 is disposed near the upper end.

  In the third state, since the slider 27 urged by the slider urging member 29 is in contact with the inclined surface 18A of the rib 18, rattling of the lid 4 with respect to the instrument panel 3 is suppressed. Since the pair of left and right inclined surfaces 18A face the center side of the opening 2 (center side in the left-right direction) and outward (rearward) of the opening 2, the lid 4 is opened by the slider 27 and the slider urging member 29. Is biased to the center side and outward of the opening 2. As a result, the support shaft 14 is rattled in the radial direction due to rattling (gap) between the support shaft 14 of the lid 4 and the bearing hole of the instrument panel 3, and the lid 4 and the opening 2 in the left-right direction. The support shaft 14 rattles in the thrust direction due to rattling (gap), and the support shaft 14 rattles in the rotation direction due to rattling (gap) between the tip member 51 of the lock pin 28 and the lock hole 17. Sticking is suppressed.

  To release the engagement by the lock mechanism 5 from the third state in which the lid 4 is maintained at the closed position by the lock mechanism 5, the lever 62 is operated. When the operator grips the free end of the lever 62 and pulls it backward, the lever 62 rotates and the pair of left and right pressing pieces 64 push the first link side cam portions 68 of the left and right link members 23. As a result, the left and right link members 23 move against the urging force of the lever urging member 65 in the center in the left-right direction, that is, in a direction close to each other. When the right link member 23 moves to the left, the locking convex portion 57 of the lock pin 28 contacts the cam surface 72 of the second link side cam portion 71 as shown in FIG. And according to the movement of the 2nd link side cam part 71 to the right, the latching convex part 57 slides on the cam surface 72, and moves below. The same applies to the left link member 23 and the operating portion 21. As a result, as shown in FIGS. 17 and 18, the tip member 51 moves downward to be detached from the lock hole 17, and the lid 4 can be opened.

  When the lid 4 is opened from the closed position, the slider 27 protrudes forward rightward by the urging force of the slider urging member 29, and the lock pin 28 engaged with the slider 27 at the base end member 52 moves downward. As a result, the lock mechanism 5 returns to the first state shown in FIGS. 11 and 12.

  In the glove box 1 according to the present embodiment, the slider 27 that drives the lock pin 28 always engages with the edge 15 of the opening 2 in the closed position of the lid 4, and the slider is attached between the lid 4 and the edge 15. Since the urging force of the urging member 29 acts, rattling of the lid 4 with respect to the instrument panel 3 is suppressed. Since the slider 27 is moved by contact with the rib 18 and drives the lock pin 28, the lock pin 28 is driven according to the position of the lid 4. As a result, the lock pin 28 does not protrude outward from the lid 4 when the lid 4 is in the open position, so that the lock pin 28 is not caught by the opening end of the opening 2 when the lid 4 is closed. In addition, when the lid 4 is opened, the lock pin 28 is accommodated in the lid 4, so that the design of the lid 4 is improved.

  In the glove box 1 according to the present embodiment, a member that urges the lid 4 in a predetermined direction is provided between the lid 4 and the instrument panel 3 as a separate member so that the slider 27 suppresses rattling of the lid 4. It is not necessary.

  Although the description of the specific embodiment is finished as described above, the present invention is not limited to the above embodiment and can be widely modified. For example, the lid 4 may have a basket (box member) joined to the front side of the back member 12. The basket is preferably accommodated entirely in the opening 2 when the lid 4 is in the closed position, and partially pulled out of the opening 2 when the lid 4 is in the open position. The basket may be joined to the back side of the opening 2.

  In the above embodiment, the operation unit 21 and the link member 23 are provided in a pair on the left and right with respect to one operation unit 22. However, the number of the operation units 21 and the link members 23 is one or three or more. Also good.

  In the above embodiment, the example in which the locking device of the present invention is applied to the glove box 1 has been described. However, the locking device of the present invention has an opening formed by a rotatable lid such as furniture or a storage box of a system kitchen or the like. It can be applied to various storage devices that close.

  DESCRIPTION OF SYMBOLS 1 ... Glove box (storage device), 2 ... Opening, 3 ... Instrument panel (support), 4 ... Lid, 5 ... Lock mechanism, 11 ... Front member, 12 ... Back member, 15 ... Edge, 17 ... Lock Hole (engagement part), 18 ... rib, 18A ... inclined surface, 21 ... operation part, 22 ... operation part, 23 ... link member, 26 ... operation part housing, 27 ... slider (force transmission means), 28 ... lock pin (Lock member), 29 ... Slider biasing member (second biasing member), 32 ... Pin hole, 33 ... Slider hole, 44 ... Slider side cam part (first cam part), 46 ... Inclined plate, 47 ... Slit , 51 ... 1st member, 52 ... 2nd member, 53 ... Pin urging member (first urging member), 54 ... Locking piece, 57 ... Locking convex part, 61 ... Operation part housing, 62 ... Lever, 64 ... Pressing piece, 65 ... Lever biasing member, 66 ... Link biasing portion , 68 ... first link-side cam portion 71 ... second link-side cam portion (second cam part), 72 ... cam surface

Claims (6)

A lock that is provided in a storage device having a support formed with an opening and a lid that is rotatably provided on the support to open and close the opening, and that maintains the lid in a closed position that closes the opening. Mechanism,
A locking portion provided on the support,
The first position protruding from the lid and the second position recessed are supported so as to be displaceable, locked at the locking portion at the first position, and extendable and contracted by the first biasing member. A locking member biased in an extended state;
Force transmitting means provided on the lid, wherein the force is displaced in contact with an edge of the opening when the lid is in the vicinity of the closed position, and the lock member is displaced to the first position;
An operation unit provided on the lid so as to be displaceable;
A link that is displaced according to the displacement of the operation portion by an operation, shrinks the lock member in the first position against the urging force of the first urging member, and disengages the lock member from the locking portion. And a locking mechanism. The force transmission means includes a slider supported by the lid so as to be displaceable between a third position protruding from the lid toward the opening and a fourth position immersed in the lid, and the lid and the slider. A second urging member provided between the urging member and urging the slider to the third position;
2. When the lid is displaced to a closed position, the slider abuts against an edge of the opening and is displaced toward the fourth position against the urging force of the second urging member. The locking mechanism described in 1. The slider has a first cam portion, and is in sliding contact with the lock member in the first cam portion,
When the slider is in the third position, the lock member is in the second position, and when the slider is displaced toward the fourth position, the lock member is displaced toward the first position. The locking mechanism according to claim 2, wherein   The lock member includes a base end member that is in sliding contact with the first cam portion of the slider, and a front end member that is displaceably engaged with the base end member within a predetermined range, and the first biasing member is The locking mechanism according to claim 3, wherein the locking mechanism is provided between the proximal end member and the distal end member and biases in a direction in which the length of the locking member becomes longer. The tip member has a convex portion,
The link member has a second cam portion that can be engaged with the convex portion when the lock member is in the first position;
The said convex member is pushed by the said 2nd cam part, and the said locking member contracts, when the said link member displaces when the said locking member exists in the said 1st position. Locking mechanism. The edge of the opening has an inclined surface facing the center side and the outward side of the opening,
The locking mechanism according to any one of claims 2 to 4, wherein the slider abuts on an edge of the opening on the inclined surface.

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