JP2012233337A - Dial lock unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To apply the same lock body to both a metal door and a wooden door, different in thickness from each other.SOLUTION: A dial lock unit comprises a lock body 1 which has a dial operation part 11 provided on a front surface, which makes the dial operation part 11 face a front surface of a thin metal door panel and which enables a barrel part to be fixed in the state of being fitted into an attachment hole provided in the door panel, and a housing 2 which has a recess 21 with an opened front surface, which makes a front opening of the recess 21 face a front surface of a thick wooden door panel 9 and which enables the barrel part 20 to be fixed in the state of being fitted into an attachment hole 90 provided in the door plate 9. The housing 2 is formed to make the dial operation part 11 of the lock body 1 face the front surface of the door panel 9 and enable the barrel part 20 of the lock body 1 to be fixed in the state of being fitted into the recess 21.

Description

  The present invention relates to a dial lock assembled to a storage device with a door such as a locker or a cabinet. In particular, the present invention can assemble a lock body to a thin metal door plate or a thick wooden door plate. Related to the dial lock unit.

  As shown in FIG. 7, the dial lock includes a lock main body 1 assembled in an attachment hole 80 formed in a door plate 8 such as a metal locker, and a receiving metal fitting (attached to a position near the lock main body 1 on the housing side. (Not shown). The lock body 1 has a dial operation unit 11 on the front surface. When locking, the plurality of dials 12 of the dial operation unit 11 are rotated to align the unlock code string, and after unlocking, The hanging bracket 14 is rotated by the operation of the knob 13 to engage with the receiving bracket. Thereafter, when the unlock code string is broken by a dial operation or the like, the locked state is entered. When unlocking, the dial 12 is rotated to align the unlocked code string, and after unlocking, the hook 14 is rotated in the opposite direction by the operation of the knob 13 to The engagement is released (see, for example, Patent Document 1).

  As shown in FIG. 8, the lock body 1 is fixed in a state where the body portion 10 is fitted in the mounting hole 80 of the door plate 8 and the dial operation portion 11 faces the front surface of the door plate 8. A lock mechanism is incorporated in the body portion 10, and a front plate 15 is attached to the front opening. On the front plate 15, a plurality of dials 12 and knobs 13 constituting the dial operation unit 11 are arranged.

  The body portion 10 is integrally formed with a flange portion 16 projecting in the circumferential direction, and a plurality of spring plate portions 17 facing the rear surface of the flange portion 16 with a groove gap u therebetween. When the body portion 10 of the lock body 1 is inserted into the mounting hole 80 from the front side of the door plate 8, each spring plate portion 17 is pressed by the peripheral edge of the mounting hole 80 and is compressed and deformed. Is engaged with the groove gap u, each spring plate portion 17 is restored, and the body portion 10 of the lock body 1 is fixed to the door plate 8 in a retaining state.

JP 2010-59733 A

  There are wooden storage devices with doors such as lockers and cabinets, and it is desired to attach a dial lock to such storage devices. However, the wooden door plate is thicker than the metal door plate, and it is difficult to assemble the lock body assembled to the metal door plate as it is to the wooden door plate. For this reason, it is necessary to manufacture a lock body for a wooden door separately from the lock body for a metal door, and the cost of the product is high. In addition, two types of lock bodies must be prepared. It becomes complicated.

  The present invention has been made paying attention to the above-mentioned problem, and the same lock body has a different thickness by assembling the lock body applied to the thin door plate to the thick door plate in a state of being fitted to the housing. An object of the present invention is to provide a dial lock unit applicable to both a metal door and a wooden door.

  The dial lock unit according to the present invention can be assembled to the first door plate and the second door plate which is thicker than the first door plate, and has a dial operation part on the front surface. A lock body that faces the front surface of one door plate and can be fixed in a state where the body portion is fitted in an attachment hole provided in the first door plate, and has a recess in the front opening. The housing has a front opening facing the front surface of the second door plate and can be fixed in a state where the body portion is fitted in an attachment hole provided in the second door plate. The housing is formed so that the dial operation portion of the lock body faces the front surface of the second door plate and can be fixed in a state where the body portion of the lock body is fitted in the recess.

  For example, in order to assemble the dial lock unit having the above configuration to a thick wooden door plate, the lock main body is assembled to the wooden door plate in a state where the lock body is fitted to the housing. The housing is fixed in a state where the front opening of the recess faces the front surface of the door plate and the body portion is fitted in an attachment hole provided in the door plate. The lock body is fixed in a state where the dial operation part faces the front surface of the door plate and the body part is fitted in the recess of the housing. On the other hand, to attach the lock body to the thin metal door plate, the dial operation part faces the front surface of the metal door plate and the body part is fitted in the mounting hole provided in the door plate. Fix the body.

  The dial lock unit of the present invention is typically applied to both the first door plate formed of a metal plate material and the second door plate formed of a wooden plate material. However, the present invention is not limited to this, and it may be applied to door plates having the same material and different thicknesses.

In a preferred embodiment of the present invention, the lock body is opposed to the outer peripheral surface of the body portion with a flange portion projecting in the circumferential direction along the peripheral edge of the dial operation portion, and the rear surface of the flange portion with a groove gap therebetween. A plurality of spring plate portions are integrally formed, and the groove gap is formed to have a groove width in which the hole periphery of the mounting hole of the first door plate can be engaged.
According to this embodiment, when the body portion of the lock body is fitted into the mounting hole from the front side of the door plate, each spring plate portion is pressed by the peripheral edge of the mounting hole to be compressed and deformed, and the peripheral edge of the mounting hole Since each spring plate part is restored when it is engaged with the groove gap, the body part of the lock body is fixed to the door plate in a state of being prevented from coming off, so that the lock body can be attached and fixed to the door plate with one touch.

  In a preferred embodiment of the present invention, the housing is screwed to a fixing plate that is superimposed on the rear surface of the second door plate. According to this embodiment, the housing can be easily fixed from the rear surface of the door plate without being provided with a screw hole or the like in the second door plate. The housing fixing method is not limited to this.

  Another dial lock unit of the present invention further includes a plate-like handle member having an opening into which the body portion of the housing is fitted, and the handle member includes a flange portion formed on the outer peripheral surface of the housing and It is clamped between the front surfaces of the two door plates. According to the dial lock unit, the door plate can be opened and closed by the handle member, and the operability of the door plate is improved. Further, the handle member can be attached together when the lock body is assembled to the door plate, there is no waste of work, and there is no need to attach a separate handle to the door plate.

  According to this invention, since the same lock body can be assembled to door plates having different thicknesses, for example, there is no need to manufacture a lock body for a wooden door separately from a lock body for a metal door, Cost can be reduced. Also, it is not necessary to prepare two types of lock bodies, and inventory management is easy.

It is a perspective view which decomposes | disassembles and shows the structure of the dial lock unit which is one Example of this invention. It is sectional drawing which shows the assembly | attachment state to a wooden door board. It is a perspective view which decomposes | disassembles a lock main body and a housing, and shows from a front side. It is a perspective view which decomposes | disassembles a lock main body and a housing, and shows from a back side. It is a perspective view which decomposes | disassembles and shows the structure of the dial lock unit which is another Example. It is sectional drawing which shows the structure of the handle member in the Example of FIG. It is a perspective view which decomposes | disassembles and shows the assembly | attachment state to the metal door plates of a lock main body. It is sectional drawing which shows the assembly | attachment state to the metal door plates of a lock main body.

  FIG. 1 shows a configuration of a dial lock unit according to an embodiment of the present invention, which includes a lock body 1, a housing 2, and a fixing plate 3. Note that the body portion 10, the housing 2, and the fixing plate 3 of the lock body 1 are synthetic resin molded bodies. The lock body 1 can be directly assembled to the metal door plate 8 as shown in FIGS. 7 and 8, and is further fitted into the housing 2 as shown in FIGS. And can be assembled to the wooden door plate 9. The lock body 1 is attached to the door plate side of a storage device with a door such as a locker or a cabinet, and the receiving metal fitting to which the hook 14 of the lock body 1 is engaged is attached to a position near the lock body 1 on the housing side. .

  As shown in FIGS. 3 and 4, the lock body 1 includes a lock mechanism incorporated in a hollow body portion 10 that forms a rectangular parallelepiped, and a front plate 15 attached to an opening on the front surface of the body portion 10. is there. On the front plate 15, a plurality of dials 12 and a knob 13 constituting the dial operation unit 11 are arranged. A screw shaft 18 that rotates integrally with the knob 13 protrudes from the rear surface of the body portion 10, and the hook 14 is attached to the screw shaft 18 with a nut 19.

  A flange portion 16 is integrally formed on the outer peripheral surface of the body portion 10 so as to protrude by a uniform width in the circumferential direction along the peripheral edge of the opening on the front surface. The body portion 10 has vertical and horizontal lengths a and b substantially equal to vertical and horizontal lengths X1 and Y1 of a rectangular mounting hole 80 formed in the metal door plate 8, respectively. In the flange portion 16, the vertical and horizontal lengths c and d are set larger than the vertical and horizontal lengths X1 and Y1 of the mounting hole 80, and the rear surface of the flange portion 16 abuts the peripheral edge of the mounting hole 80.

  Spring plate portions 17 that are opposed to the rear surface of the flange portion 16 with a groove gap u therebetween are integrally formed at two corresponding positions on both side surfaces of the body portion 10. Each spring plate portion 17 has a rear end portion integrally connected to the body portion 10 and a front end portion is released. A gap s for compressing and deforming the spring plate portion 17 is interposed between the spring plate portion 17 and the body portion 10.

  The front end portion of each spring plate portion 17 faces the rear surface of the flange portion 16 with a groove gap u therebetween. The groove gap u is set to a groove width in which the peripheral edge of the mounting hole 80 of the door plate 8 can be engaged. When the body portion 10 of the lock main body 1 is inserted into the mounting hole 80 from the front side of the door plate 8, each spring plate portion 17 is pressed by the peripheral edge of the mounting hole 80 to be compressed and deformed, and the peripheral edge of the mounting hole 80 When engaged with the groove gap u, the lock body 1 is brought into a retaining state by the restoration of the spring plate portions 17. In this state, the body portion 10 of the lock main body 1 is fitted in the mounting hole 80 of the door plate 8, and the dial operation portion 11 faces the front surface of the door plate 8 so that the dial operation and the knob operation can be performed.

  The body 2 of the housing 2 is set to have substantially the same thickness as the door plate 9. Inside the body portion 20 is a concave portion 21 with a front opening having a depth corresponding to the thickness of the body portion 10 of the lock body 1. A concave groove 22 into which each spring plate portion 17 of the body portion 10 of the lock main body 1 is fitted is formed at each of two opposing positions on the inner surface of the concave portion 21. The trunk | drum 10 can be inserted. Support surfaces 23 and 24 that support the flange portion 16 of the body portion 10 of the lock body 1 are formed at the opposed positions of the opening portion on the front surface of the recess 21. A flange portion 25 is formed on the opening periphery of the front surface of the housing 2 so as to protrude by a uniform width in the circumferential direction. The body portion 20 of the housing 2 has vertical and horizontal lengths e and f substantially coincide with vertical and horizontal lengths X2 and Y2 of a substantially rectangular mounting hole 90 formed in the wooden door plate 9, respectively. In the flange portion 25, the vertical and horizontal lengths g and h are set larger than the vertical and horizontal lengths X 2 and Y 2 of the mounting hole 90, and the rear surface of the flange portion 25 abuts the peripheral edge of the mounting hole 90.

The housing 2 is supported in a state where the opening on the front surface of the recess 21 faces the front surface of the door plate 9 and the body portion 20 is fitted in the mounting hole 90 of the door plate 9. The lock body 1 is supported in a state in which the dial operation portion 11 faces the front surface of the door plate 9 and the body portion 10 of the lock body 1 is fitted in the recess 21.
The rear surface of the body portion 20 of the housing 2 is open, and the lock body is located at the four corner positions of the opening portion and corresponding to the screw holes 41 provided at the four corners of the rear surface of the body portion 10 of the lock body 1. A screw support portion 43 having a screw through hole 42 for fixing 1 to the housing 2 with a screw 4 is formed. Screws 4 for fixing the lock body 1 to the housing 2 are passed through the screw through holes 42, and the screw heads of the screws 4 abut against the screw support portions 43.

  When the housing 2 is fitted into the mounting hole 90 of the door plate 9, the rear surface of the body part 20 of the housing 2 faces the rear surface opening of the mounting hole 90, and the fixing plate 3 is screwed to the rear surface of the body part 20. As a result, the housing 2 is fixed in a retaining state. In the fixing plate 3, the vertical and horizontal lengths i and j are set to be larger than the vertical and horizontal lengths X <b> 2 and Y <b> 2 of the mounting hole 90, and the rear surface of the outer peripheral portion of the fixing plate 3 abuts the hole periphery of the mounting hole 90. .

  The fixing plate 3 is open at the center, and is formed with screw support portions 53 having screw through holes 52 at the four corners of the outer periphery. The body portion 20 of the housing 2 is formed with cylindrical portions 54 having screw holes 51 formed at the four corners of the outer peripheral portion of the rear surface, and the screws 5 are passed through the screw through holes 52 of the fixing plate 3. The fixing plate 3 is fixed to the housing 2 by screwing into the corresponding screw holes 51 of the housing 2.

  FIG. 5 shows another embodiment of the present invention, which includes a plate-like handle member 6 in addition to the lock body 1, the housing 2 and the fixing plate 3. The handle member 6 is a synthetic resin molded body, and as shown in FIGS. 5 and 6, the handle member 6 has an opening 60 into which the body portion 20 of the housing 2 is inserted, and has a curved grip on one side of the opening 60. The part 61 is integrally formed. The handle member 6 is sandwiched between the flange portion 25 of the housing 2 and the front surface of the door plate 9.

  To assemble the dial lock unit having the above-described structure to the wooden door plate 9, the body portion 20 of the housing 2 into which the lock body 1 is fitted is fitted into the mounting hole 90 of the door plate 9 from the front side of the door plate 9. The fixing plate 3 is overlapped on the rear surface side of the door plate 9 and is screwed to the housing 2. Thereby, the housing 2 is fixed in a state where the body portion 20 is fitted in the mounting hole 90 of the door plate 9. The lock body 1 is fixed in a state where the body portion 20 is fitted in the recess 21 of the housing 2. In this fixed state, the dial operation unit 11 faces the front surface of the door plate 9, and a dial operation and a knob operation are possible.

  In order to attach the lock body 1 to the metal door plate 8, the body portion 10 of the lock body 1 is inserted into the attachment hole 80 from the front side of the door plate 8. Each spring plate portion 17 of the body portion 10 is compressed and deformed by being pressed by the hole periphery of the attachment hole 80, and each spring plate portion 17 is restored when the hole periphery of the attachment hole 80 is engaged with the groove gap u. The body portion 10 of the lock body 1 is fixed to the door plate 8 in a retaining state.

DESCRIPTION OF SYMBOLS 1 Lock body 2 Housing 3 Fixing plate 6 Handle member 8, 9 Door plate 10 Body part 11 Dial operation part 16 Flange part 20 Body part 21 Recessed part 25 Flange part 80, 90 Mounting hole

Claims (5)

  A dial lock unit that can be assembled to a first door plate and a second door plate that is thicker than the first door plate, and has a dial operation portion on the front surface, and the dial operation portion is used as the first door plate. A lock body that can be fixed in a state where the body portion is fitted in an attachment hole provided in the first door plate and a front opening of the recess. A housing that faces the front surface of the second door plate and that can be fixed in a state in which the body portion is fitted in an attachment hole provided in the second door plate. A dial lock unit formed so that the dial operation portion faces the front surface of the second door plate and can be fixed in a state where the body portion of the lock body is fitted in the recess.   The dial lock unit according to claim 1, wherein the first door plate is formed of a metal plate, and the second door plate is formed of a wooden plate.   The lock body is integrally formed with a flange portion projecting in the circumferential direction along the periphery of the dial operation portion and a plurality of spring plate portions facing the rear surface of the flange portion with a gap between them on the outer peripheral surface of the body portion. 2. The dial lock unit according to claim 1, wherein the groove gap is formed to have a groove width in which a hole periphery of an attachment hole of the first door plate can be engaged.   2. The dial lock unit according to claim 1, wherein the housing is screwed to a fixing plate overlaid on a rear surface of the second door plate.   The dial lock unit according to any one of claims 1 to 4, further comprising a plate-like handle member having an opening into which a body portion of the housing is inserted, wherein the handle member is an outer periphery of the housing. A dial lock unit sandwiched between a flange portion formed on the surface and the front surface of the second door plate.

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