JP6391553B2 - Locking device - Google Patents

Description

  The present invention relates to a locking device.

  2. Description of the Related Art Conventionally, in a locking device, it is known that a lock body of an existing locking device can be replaced with a lock body of a new locking device. For example, a conventional locking device 90 is shown in FIG. As shown in FIG. 6, the locking device 90 includes a lateral direction X and a front-rear direction Z, a lock body 91, and a bracket 93. The lock body 91 has a head 91 a located on the front side and a latch case 91 b having a latch 96 located on the rear side.

  The bracket 93 has a U-shaped cross section, and includes a front plate portion 93a, a rear plate portion 93b, and a middle plate portion 93c that connects the front and rear plate portions 93a and 93b, and the rear plate portion 93b. Is attached to the latch case 91b with screws 94, the front plate portion 93a is attached to the wall portion 92 with screws 95, and a female screw 97 positioned on the rear side of the head portion 91a and a nut 98 are screwed together. It was attached by.

JP 2010-7418 A TAKIGEN Digital Catalog (General Catalog No. 23) Page 1028 Lower column Latch lock for cylinder

  However, in the locking device 90 described above, the front and rear plate portions 93a and 93b of the bracket 93 are attached to the wall portion 92 and the latch case 91b by screws 94 and 95, respectively, and the front plate portion 93a and the wall portion 92 are attached to the lock body. Since the female screw 97 and the nut 98 of 91 are attached, there is a problem that it takes time to attach the lock body 91 to the wall 92.

  An object of the present invention is to provide a locking device that does not require much trouble when a lock body is attached to a wall.

  An object of the present invention for solving the above-mentioned problems is to include a bracket that has a lateral direction and a front-rear direction and attaches a lock body to a wall, and inserts a key into a key hole located on the front surface of the lock body In this state, the lock body changes between a locked state and an unlocked state by turning the key.

A feature of the present invention is that the bracket includes a bracket body portion having a bracket through hole that allows a part of the lock body to pass therethrough, and a pair of bent portions that are bent from the bracket body portion and are opposed to each other. Of the bent portions, only one of the bent portions has a screw hole for screwing a screw for attaching the bracket to the wall portion, and the screw is screwed into the screw hole so that the bracket is attached to the wall portion. the attached Oh is, the lock body includes a locking position in the locked state, have a movable lever and the unlocking position in the unlocking state to the rear side, the bracket, each of the pair of the bent portion Includes a moving member that can move in the lateral direction through each of the through holes, and the moving member has a latch that protrudes outward from between the pair of bent portions. A branch portion that extends in the front-rear direction from the main body portion and contacts the lever, and the latch is positioned at the latch locking position protruding from the bent portion when the lever is positioned at the locking position. On the other hand, when the lever is located at the unlocked position, the lever is located at the latch unlocked position retracted from the latch locked position, and the latch is attached to the latch locked position between the moving member and the bracket. The urging member to be urged is arranged .

  According to the locking device of the present invention, of the pair of bent portions, only one of the bent portions has a screw hole for screwing the screw for attaching the bracket to the wall portion, and screwing the screw into the screw hole. Since the bracket is attached to the wall, it does not take time to attach the lock body to the wall.

The disassembled perspective view which looked at the locking device from the front side. The disassembled perspective view which looked at the wall part, the lock | rock main body, and the bracket from the back side. The rear view in which the lock body of a locking device is in a locked state. The rear view in which the lock body of a locking device is in an unlocked state. The top view of a locking device. Sectional drawing which fractured | ruptured a part in the conventional locking device.

  The details of the locking device according to the present invention will be described below with reference to the accompanying drawings. In addition to the indispensable requirements of the present invention, the following embodiments include requirements that can be selectively adopted and requirements that can be appropriately combined.

  FIG. 1 is an exploded perspective view of a locking device 10 according to the present invention. The double-headed arrows X, Y, and Z in FIGS. 1 and 2 indicate the transverse direction X, the longitudinal direction Y, and the front-rear direction Z that intersect (orthogonal) each other in the locking device 10.

  Referring to FIG. 1, a locking device 10 is used for, for example, a wall portion (door) 11 that opens and closes an opening of a casing (not shown) of a vending machine, and includes a lock body 20, a bracket 30, and the like. The locking plate 50, the lever 60, the nut 70, the washer 72, the spring washer 73, the screw 74, and the key 75 are provided.

  The lock body 20 includes a head portion 21 located on the front side and leg portions 22 located on the rear side. The front surface of the head 21 has a key hole 23 into which a key 75 is inserted. As will be described later, the lock body 20 has a locked state in which the opening of the wall 11 with respect to the housing is restricted by turning the key 75 with the key 75 inserted into the key hole 23, and the housing On the other hand, the unlocked state is allowed to open the wall portion 11. The peripheral surface of the leg portion 22 has a pair of lock-like portions 24a facing each other and a pair of lock-arc-like portions 24b connecting between the lock-like portions 24a. A screw is formed only on the outer peripheral surface of the lock arc portion 24 b, and this screw is screwed to the screw on the inner peripheral surface of the nut 70.

  As shown in FIG. 2, the rear surface side of the lock body 20 has a screw hole 25a at the center and a fixing portion 25 that protrudes from the front surface side toward the rear surface side. The peripheral surface of the fixed part 25 is formed in an oval shape. As shown in FIG. 1, the fixing portion 25 has a first locking hole 51 at the center, and an annular locking plate 50 is located on the rear surface side. The first locking hole 51 has an oval shape, and the locking plate 50 is attached to the fixing portion 25 by fitting the outer peripheral surface of the fixing portion 25 and the inner peripheral surface of the first locking hole 51. ing.

  A lever 60 is located on the rear side of the locking plate 50. The lever 60 has an annular base end portion 61 and an abutment portion 62 extending radially outward from the periphery of the base end portion 61. The base end portion 61 has a second locking hole 63 at the center thereof. The second locking hole 63 is annular and has the same shape and size as the first locking hole 51 of the locking plate 50, and the outer peripheral surface of the fixing portion 25 and the inner peripheral surface of the second locking hole 63. The lever 60 is attached to the fixed portion 25.

  On the rear surface side of the lever 60, a screw 74 is screwed into a screw hole 25 a of the fixing portion 25 via a washer 72 and a spring washer 73, and by screwing the screw hole 25 a of the fixing portion 25 and the screw 74, The locking plate 50 and the lever 60 are attached to the fixed portion 25.

  The wall 11 includes a wall main body 12, a wall facing portion 13 that faces the wall main body 12 in the front-rear direction Z, a wall connecting portion 14 that connects the wall main body 12 and the wall facing portion 13, and the wall facing portion 13 side. And a wall extension 15 extending rearward from the edge.

  The wall main body 12 is a first display that exposes only one of the wall through hole 16 into which the leg portion 22 of the lock main body 20 is inserted and a first display portion 44a and a second display portion 44b of a display plate 44 described later. And a window 17. The wall through-hole 16 has a pair of wall straight portions 16a facing each other and a pair of wall arc-shaped portions 16b connecting the ends of the wall straight portions 16a. The wall 11 has a pair of engaging recesses 16c that are recessed so as to be spaced apart from each other at the periphery of the straight wall portion 16a. As shown in FIG. 2, the wall extending portion 15 includes a through hole 18 and a notch 19 into which a latch 43 described later enters. The notch 19 is formed so as to extend forward from the rear edge of the wall extension 15.

  The bracket 30 includes a bracket body portion 31 having a bracket through-hole 33 that allows a part (the leg portion 22) of the lock body 20 to pass through, a pair of bent portions 32a and 32b that are bent from the bracket body portion 31 and face each other, A moving member 40 that can move in the lateral direction X, a display plate 44 that is an indicator, and a coil spring 47 are provided.

  In addition to the bracket through-hole 33, the bracket main body 31 further exposes only one of the first display portion 44 a and the second display portion 44 b of the display plate 44, and matches the first display window 17. The display window 34 and the engagement hole 35 extending straight in the lateral direction X are provided. The bracket through-hole 33 has a pair of bracket hole straight portions 33a facing each other and a pair of bracket hole arc-shaped portions 33b connecting the ends of the bracket hole straight portions 33a. The bracket body 31 has an engaging projection 33c that protrudes forward on the periphery of the bracket hole straight portion 33a. Engaging the engaging convex portion 33c and the engaging concave portion 16c of the wall portion 11 restricts the bracket 30 from turning relative to the wall portion 11 in the circumferential direction.

  Referring to FIG. 2, of the pair of bent portions 32a and 32b, one of the bent portions 32a has a dimension L1 in the vertical direction Y larger than a dimension L2 of the other bent portion 32b in the vertical direction Y. Of the pair of bent portions 32 a and 32 b, only one bent portion 32 a has a screw hole 36 that is screwed into a screw 49 that attaches the bracket 30 to the wall portion 11. The bent portions 32a and 32b of the bracket 30 have through holes 37 for supporting the moving member 40 so as to be slidable in the lateral direction X, respectively.

  The moving member 40 has a columnar main body portion 41 extending in the lateral direction X and a columnar branch portion 42 extending in the front-rear direction Z. Referring to FIG. 1, the radial dimension R <b> 1 of the main body 41 is larger than the radial dimension R <b> 2 of the branch part 42. The main body 41 has a latch 43 that protrudes outward from between the pair of bent portions 32a and 32b at one end portion in the lateral direction X, and penetrates in the front-rear direction Z at substantially the center in the lateral direction X. It has a through hole 41a. A branching portion 42 is inserted into the through hole 41a. The branching portion 42 extends rearward from the main body 41, and comes into contact with a lever 60 and a front portion from the main body 41. It has an engagement long hole 45 of the display plate 44 and an engagement portion 42 b that engages with an engagement hole 35 extending in the lateral direction X in the main body 41.

  Referring to FIG. 1, the display board 44 is attached to the bracket main body 31 by a shaft portion 46 so as to be able to turn around a turning shaft 46 x. In a state where the display plate 44 is attached to the bracket main body 31, the display plate 44 is positioned on the rear surface side of the bracket main body 31. The display board 44 includes a first display unit 44a (green display unit) for displaying that the latch 43 is in the locked position, and a second display unit 44b (red display for displaying that the latch 43 is in the unlocked position). Part). The display board 44 has an engagement long hole 45 through which the engagement portion 42b of the branch portion 42 passes. The engagement long hole 45 has a first hole 45 a and a second hole 45 b that are different from each other in the radial separation direction with respect to the pivot shaft 46 x of the shaft portion 46. 42b is inserted, and the display plate 44 pivots about the pivot axis 46x in response to the movement of the moving member 40 in the lateral direction X, whereby the first and second display windows 17 and 34 are used as the first and second display windows. Only one of the display portions 44a and 44b is exposed.

  A coil spring (biasing member) 47 that biases the latch 43 to the locking position and biases the lever 60 to the locking position is provided between the one bent portion 32 b and the branching portion 42.

  Referring to FIGS. 1 and 2, the lock body 20 is disposed on the front surface side of the wall portion 11, while the bracket 30 with the display plate 44 is disposed on the rear surface side of the wall portion 11. The leg portion 22 is inserted into the wall through hole 16 of the wall portion 11 and the bracket through hole 33 of the bracket main body portion 31, and the screw on the outer peripheral surface of the lock arc-shaped portion 24 b of the leg portion 22 is inserted into the inner peripheral surface of the nut 70. The screw 11 is screwed together, the through hole 18 of the wall 11 is matched with the screw hole 36 of the bracket 30, and a screw 49 passing through the tip of the through hole 18 is screwed into the screw hole 36. The lock body 20 and the bracket 30 are attached.

  In a state in which the leg portion 22 of the lock body 20 is inserted into the wall through-hole 16, the lock direct portion 24a and the wall straight portion 16a face each other, and the lock arc portion 24b and the wall arc portion 16b face each other. Rotation of the lock body 20 in the circumferential direction with respect to the wall portion 11 is restricted. In addition, in a state where the leg portion 22 of the lock body 20 is inserted into the bracket through-hole 33, the lock direct portion 24a and the bracket direct portion 33a face each other, and the lock arc portion 24b and the bracket hole arc portion 33b By facing each other, the lock body 20 is restricted from turning in the circumferential direction with respect to the bracket 30.

  Referring to FIG. 3, when the lever 60 is in the locked position and the latch 43 is in the locked state moved to the rightmost side in the lateral direction X in FIG. 3 (when the latch 43 is in the latch locked position). The latch 43 protrudes between the pair of bent portions 32a and 32b, the latch 43 engages with a frame (not shown) of the housing, and the opening of the wall portion 11 with respect to the housing is restricted. In the locked state, the first display portion 44 a appears from the first display window 17 of the wall portion 11 through the second display window 34 of the bracket body portion 31.

  From this state, when the key 75 is inserted into the key hole 23 of the lock body 20 and the inserted key 75 is turned, the lever 60 is turned as the key 75 is turned. When the lever 60 turns and the engaging portion 42b of the moving member 40 is pressed by the contact portion 62 of the lever 60, the coil spring 47 is compressed in the lateral direction X, and the lever 60 is released as shown in FIG. The latch 43 moves to the lock position, the latch 43 retreats from the latch lock position, moves to the latch unlock position located on the left side in the lateral direction X in FIG. 4, and the engagement between the latch 43 and the frame of the casing (not shown). The lock is released, the lock body 20 is unlocked, and the wall 11 is allowed to open with respect to the housing. In the unlocked state, the second display portion 44 b appears from the first display window 17 of the wall portion 11 through the second display window 34 of the bracket main body portion 31.

  According to the locking device 10 according to the present embodiment, of the pair of bent portions 32a and 32b, only one bent portion 32a has the screw hole 36 that is screwed into the screw 49 that attaches the bracket 30 to the wall portion 11. In addition, since the screw 49 is screwed into the screw hole 36 and the bracket 30 is attached to the wall portion 11, it does not take time when the lock body 20 is attached to the wall portion 11.

  In addition, on the rear surface side of the bracket 30, a display board 44 having a first display portion 44a for displaying that the lock body 20 is in a locked state and a second display portion 44b for displaying that the lock body 20 is in an unlocked state. Since the bracket body 31 has the second display window 34 that exposes only one of the first and second display portions 44a and 44b of the display board 44, it is locked or unlocked. It ’s easy to see.

  Further, since the branching portion 42 having only the abutting portion 42 a that abuts on the lever 60 and the engaging portion 42 b that engages with the engaging long hole 45 of the display plate 44 is formed on the moving member 40, Without increasing, the display plate 44 can be attached to the bracket main body 31 so as to be pivotable about the pivot shaft 46x of the shaft portion 46.

  Further, the branching portion 42 of the moving member 40 is formed in a columnar shape, and has a contact portion 42a at one end portion and an engaging portion 42b at the other end portion. Can be transmitted to the latch 43 without waste and used for switching between the first and second display portions 44a and 44b.

  Furthermore, the latch 43 of this embodiment is located between the lever 60 and the bracket main-body part 31 in the front-back direction Z, as shown in FIG. On the other hand, in the conventional locking device, as shown in FIG. 6, since the latch 96 has the latch case 91b located on the rear surface side of the lock main body, the dimension in the front-rear direction Z increases. 10, the dimension in the front-rear direction Z can be reduced.

  Moreover, the bracket main-body part 31 of this embodiment is arrange | positioned so that it may adjoin to the rear surface side of the wall main body 12 of the wall part 11, as shown in FIG. On the other hand, in the conventional locking device, as shown in FIG. 6, one front plate portion 93a of the pair of front and rear plate portions 93a and 93b is adjacent to the rear surface side of the wall portion 92, and the pair of front and rear plate portions 93a and 93b. Since the middle plate part 93c that connects the two is arranged so as to extend in the front-rear direction Z, the dimension in the front-rear direction increases. However, according to the locking device of this embodiment, the dimension in the front-rear direction Z can be reduced. Can do.

  Furthermore, the lock body of the existing locking device can be replaced with the lock body of the new locking device 10.

The present invention described so far can be organized at least as follows.
The lock body has a lateral direction and a front-rear direction, and includes a bracket for attaching the lock body to the wall, and the lock body is locked by turning the key with the key inserted into a key hole located on the front surface of the lock body. In the locking device that changes to the unlocked state, the bracket includes a bracket main body portion having a bracket through hole that allows a part of the lock main body to pass therethrough, and a pair of bent portions that are bent from the bracket main body portion and face each other. Of the pair of bent portions, only one of the bent portions has a screw hole for screwing a screw for attaching the bracket to the wall portion, and screwing the screw into the screw hole to Ri Oh attach the bracket to the wall portion, the lock body includes a locking position in the locked state, have the rear side of the movable lever and the unlocking position in the unlocking state, the bracket Each of the pair of bent portions has a through hole, and includes a moving member movable in the lateral direction through each of the through holes, and the moving member is outward from between the pair of the bent portions. A main body having a projecting latch; and a branch that extends from the main body in the front-rear direction and abuts against the lever; and the latch is separated from the bent portion when the lever is located at the locking position. When the lever is in the unlocked position, the latch is in the latch unlocked position retracted from the latch locked position, and the latch is placed between the moving member and the bracket. An urging member that urges toward the latch locking position is arranged .

The present invention has at least the following embodiments.
( 1 ) On the rear surface side of the bracket, an indicator having a first display unit that displays that the lock body is in a locked state and a second display unit that displays that it is in an unlocked state is disposed. The bracket body has a display window that exposes only one of the first and second display portions of the indicator.
( 2 ) The lock body is located on the front side of the wall portion and has a head portion having the keyhole, and a leg portion located on the rear side of the wall portion in a state of being inserted into the wall through hole of the wall portion. The bracket through-hole of the bracket body has a bracket hole straight part facing each other, and a bracket hole arcuate part connecting ends of the bracket hole straight part, and the leg part The peripheral surface has a lock-like portion facing each other, and a lock-arc-like portion connecting the ends of the lock-like portion, and in the state where the leg portion is inserted into the bracket through-hole, A straight part is opposed to the bracket hole straight part, the lock arc part is opposed to the bracket hole arc part, and the bracket main body part is projected to the front side on the periphery of the bracket hole straight part. Having a mating convex portion, wherein the bracket body portion is the wall portion In the state of being positioned on the rear side, the engagement projection is engaged with the engagement recess of the KabeToruana.
( 3 ) The branch portion has a contact portion that contacts the lever at one end portion in the front-rear direction, and in the lateral direction formed on the bracket at the other end portion in the front-rear direction. An engaging portion penetrating each of an elongated slot extending through and an engaging slot formed in the indicator, the indicator being attached to the bracket so as to be pivotable about a pivot shaft of a shaft portion; The engagement slot has a first hole and a second hole having different radial dimensions with respect to the shaft, and the engagement portion and the engagement slot are engaged. The indicator is attached to the bracket so as to be pivotable about a pivot axis of the shaft portion, so that the indicator is adapted to move between the locked position and the unlocked position of the lever. Either one of the second display parts It is exposed from the serial display window.
( 4 ) The latch is located between the lever and the bracket body in the front-rear direction.

10 Locking device 11 Door (wall)
16 Wall through-hole 16a Hole straight part 16b Hole arc part 16c Engaging recess 20 Lock body 21 Head part 22 Leg part 23 Key hole 24a Lock straight part 24b Lock arc part 30 Bracket 31 Bracket body part 32a Bent part (one side) Folded part)
32b bent part (the other bent part)
33 Bracket through hole 33a Bracket hole straight part 33b Bracket hole arc part 33c Engaging convex part 34 Second display window (display window)
36 Screw hole 37 Through hole 40 Moving member 41 Main body 42 Branching portion 42b Engaging portion 43 Latch 44 Display board (indicator)
44a 1st display part 44b 2nd display part 45 Engagement long hole 45a 1st hole part 45b 2nd hole part 46 Shaft part 47 Coil spring (biasing member)
49 Screw 60 Lever 75 Key X Lateral direction Z Back and forth direction

Claims (5)

The lock body has a lateral direction and a front-rear direction, and includes a bracket for attaching the lock body to the wall, and the lock body is locked by turning the key with the key inserted into a key hole located on the front surface of the lock body. In the locking device that changes to the unlocked state,
The bracket includes a bracket body portion having a bracket through-hole that allows a part of the lock body to pass through, and a pair of bent portions that are bent from the bracket body portion and face each other,
Of the pair of bent portions, only one of the bent portions has a screw hole for screwing a screw for attaching the bracket to the wall portion, and screwing the screw into the screw hole causes the wall portion to be screwed. Ri Oh by attaching the bracket,
The lock body has a lever on the rear side that is movable to a locked position in the locked state and an unlocked position in the unlocked state,
Each of the brackets includes a moving member that has a through hole in each of the pair of bent portions and is movable in the lateral direction through each of the through holes.
The moving member has a main body portion having a latch protruding outward from between the pair of bent portions, and a branch portion extending from the main body portion in the front-rear direction and contacting the lever.
The latch is positioned at a latch locking position protruding from the bent portion when the lever is positioned at the locking position, while the latch is unlocked when retracted from the latch locking position when the lever is positioned at the unlocking position. Located in position
An urging member for urging the latch toward the latch locking position is disposed between the moving member and the bracket . On the rear surface side of the bracket, an indicator having a first display unit that displays that the lock body is in a locked state and a second display unit that displays that the lock body is in an unlocked state is disposed.
The locking device according to claim 1 , wherein the bracket main body has a display window that exposes only one of the first and second display portions of the indicator. The lock body has a head portion positioned on the front side of the wall portion and having the keyhole, and a leg portion positioned on the rear side of the wall portion in a state of being inserted into the wall through hole of the wall portion. And
The bracket through-hole of the bracket main body has a bracket hole straight part facing each other, and a bracket hole arcuate part that connects ends of the bracket hole straight part,
The peripheral surface of the leg portion has a lock-like portion facing each other and a lock-arc-like portion connecting the ends of the lock-like portion, and the leg portion is inserted into the bracket through hole. The lock-shaped portion is opposed to the bracket hole straight-shaped portion, the lock-arc-shaped portion is opposed to the bracket-hole arc-shaped portion,
The bracket main body has an engaging protrusion protruding toward the front surface at the periphery of the bracket hole straight portion,
The locking device according to claim 1 or 2 , wherein the engagement protrusion engages with an engagement recess of the wall through-hole in a state where the bracket main body is positioned on the rear surface side of the wall. The branch portion has a contact portion that contacts the lever at one end portion in the front-rear direction, and an elongated hole formed in the bracket at the other end portion in the front-rear direction. And an engaging portion penetrating each of the engaging long holes formed in the indicator,
The indicator is attached to the bracket so as to be pivotable about a pivot axis of a shaft portion,
The engagement long hole has a first hole portion and a second hole portion having different radial dimensions with respect to the shaft portion, and
The engaging portion and the engaging elongated hole are engaged with each other, and the indicator is attached to the bracket so as to be able to turn about the turning shaft of the shaft portion. The locking device according to claim 2 , wherein the indicator exposes one of the first display unit and the second display unit from the display window in accordance with movement between positions. The locking device according to claim 1 , wherein the latch is positioned between the lever and the bracket main body in the front-rear direction.

Images