JP3195347U - Locking device - Google Patents

Abstract

An object of the present invention is to provide a locking device capable of reliably exhibiting a crime prevention effect. A first locking member having a female screw attached to a first fixing piece, a male screw having a head that is fastened to the female screw, and a cylinder attached to a second fixing piece. A second locking member 30 having an annular washer portion 33 for receiving the head portion 21 of the male screw 20 in the cylindrical body 32 and a key member 40 having a socket portion 41 fitted to the head portion 21 of the male screw 20 are provided. The female screw 13 of the first locking member 10 is attached to the first fixing piece 11 in a coaxial state with the cylindrical body 32 of the second locking member 30. In a state where the female screw 13 of the first locking member 10 and the washer portion 33 of the second locking member 30 are in contact, the male screw 20 held by the key member 40 is inserted into the cylindrical body 32 of the second locking member 30; It was configured to be fastened to the female screw 13 via the washer portion 33. [Selection] Figure 1

Description

  The present invention relates to a locking tool attached to a lock object such as a money box or a door of a building.

  Conventionally, padlocks have been attached and locked to money boxes, building doors, and the like for the purpose of preventing crimes caused by others opening them without permission and stealing or destroying their contents.

  Normally, padlocks are made of metal, and using a cutting tool such as a gold cutter or nipper, the thin vines are cut and illegally unlocked, resulting in damage. Therefore, a technique for covering and protecting the padlock has been proposed in order to prevent cutting of the padlock vine by a cutting tool (see, for example, Japanese Patent Application Laid-Open No. 2014-29061).

  The above technology includes a cylindrical peripheral wall in which a padlock is housed and opened at both ends, and an insertion hole and a finger insertion hole that are perforated at an intermediate position in the axial direction of the cylindrical peripheral wall. It is possible to access the inside of the cylindrical peripheral wall from both end openings and finger insertion holes.

  By inserting the annular part of the latch that the padlock hangs into the insertion hole of the cylindrical peripheral wall, and accessing the inside of the cylindrical peripheral wall from both ends of the cylindrical peripheral wall and the finger hole, the locking operation for the padlock The normal unlocking operation can be performed reliably.

  However, in the above technique, since both ends of the cylindrical peripheral wall are open, there is still a risk that the vine portion of the padlock may be cut depending on the cutting tool, and the crime prevention effect is not sufficiently exhibited. .

  Then, the subject of this invention is providing the locking tool which can exhibit a crime prevention effect reliably.

To solve the above problem,
A locking device that locks a box and a drawer that is housed in and out of the box,
A first locking member for the box, a first locking member having a female screw attached to the first fixing piece, a male screw tightened on the female screw and having a head, a second fixing piece for the drawer, A second locking member having a cylinder attached to the second fixed piece and an annular washer for receiving the head of the male screw in the cylinder;
The female screw of the first locking member is attached to the cylindrical body of the second locking member coaxially with respect to the first fixed piece,
In a state where the drawer is housed in the box, the male screw inserted into the cylinder of the second locking member is fastened to the female screw via the washer that receives the head. Can be adopted.

In order to solve the above problems,
A locking device that locks a pair of doors that can be opened in a closed state,
A first locking member having a first fixing piece for the one door, a female screw attached to the first fixing piece, a male screw tightened on the female screw and having a head, and a second fixing to the other door A second locking member having a piece, a cylinder attached to the second fixed piece, and an annular washer for receiving the head of the male screw in the cylinder,
With the pair of doors closed, the female screw of the first locking member is attached to the first fixed piece so as to be slidable coaxially with the cylindrical body of the second locking member,
The male screw inserted into the cylinder of the second locking member with the pair of doors closed is adapted to be tightened to the female screw via the washer that receives the head. Can do.

  According to the above configuration, the first locking member and the second locking member are fastened by the male screw, and the box and the drawer or the pair of doors are locked. In the locked state, the head of the male screw is located in the cylinder of the second locking member.

  In this device, in a state where the first locking member and the second locking member are fastened by the male screw, the head of the male screw is located in the cylinder of the second locking member. In order to loosen the male screw, it is necessary to prepare a special tool having a socket or the like having a length that reaches the head of the male screw in the cylinder in advance, so that the male screw cannot be easily loosened and unlocked.

The disassembled perspective view which shows the locking tool of 1st embodiment which concerns on this device (A) Side view showing first locking member same as above, (b) Front view showing first locking member same as above. (A) The top view which shows the 2nd locking member same as the above, (b) The front view which shows the 2nd locking member same as the above The perspective view which shows the use condition of a locking tool same as the above. (A) Sectional drawing which shows the state before fastening of a locking tool same as the above, (b) Sectional drawing which shows the state which inserts the key member of a locking tool same as the above, (c) Sectional drawing which shows the fastening state of the locking tool same as the above The disassembled perspective view which shows the locking tool of 2nd embodiment which concerns on this device. (A) Side view showing the first locking member same as above, (b) Plan view showing the first locking member same as above. (A) Side view showing the second locking member same as above, (b) Plan view showing the second locking member same as above. (A) The perspective view which shows the use condition of a locking tool same as the above, (b) The principal part expansion perspective view of Fig.9 (a). (A) Sectional drawing which shows the state before fastening of a locking tool same as the above, (b) Sectional drawing which shows the state which inserts the key member of a locking tool same as the above, (c) Sectional drawing which shows the fastening state of the locking tool same as the above

Hereinafter, the locking implement of 1st embodiment which concerns on this invention is shown to FIGS.
The locking device 1 of the first embodiment locks, for example, a box 2 such as a money box and a drawer 3 accommodated in the box 2 so as to be able to be put in and taken out. 13, a male screw 20 fastened to the female screw 13, a second locking member 30 attached to the drawer 3, and a key member 40 having a socket part 41 into which the head 21 of the male screw 20 fits. .

  As shown in FIGS. 1 and 2, the first locking member 10 includes a first fixing piece 11 for the box 2, a cylinder 12 attached to the first fixing piece 11, and a female screw 13 disposed in the cylinder 12. With.

  The first fixed piece 11 is made of a rectangular metal piece, and is formed in two places along the long side edge and in four places on both sides. The outer peripheral portion of the cylindrical body 12 is fixed to one surface of the first fixed piece 11. The cylinder 12 is formed from a metal cylinder, and the axial direction thereof is arranged along the long side of the first fixed piece 11.

  As shown in FIG. 2, the cylindrical body 12 includes an annular guard plate portion 12 a fixed to one end portion, and a female screw holding portion 12 b fixed to an intermediate position in the axial direction. The guard plate portion 12a prevents an unauthorized operation of the male screw 20 fastened to the female screw 13 from one end side of the cylindrical body 12.

  The female screw holding portion 12b is formed of a metal ring plate, and a hexagonal nut as the female screw 13 is fixed coaxially with the cylindrical body 12 therein.

  As shown in FIG. 4, the first locking member 10 is fixed to the front plate 3 a side of the drawer 3 of the side plate 2 a of the box 2. The first locking member 10 is fixed to the box 2 with an existing wood screw or nail through the fixing hole 11a.

  The male screw 20 is a hexagonal bolt, and a nut 22 is tightened so as to contact the head portion 21 thereof. The outer peripheral six surfaces of the nut 22 and the head portion 21 are located on the same plane. The male screw 20 can be fastened to the female screw 13 of the first locking member 10.

  The male screw 20 does not need to be fastened with a nut 22. When the nut 22 is tightened, the head portion 21 of the male screw 20 is easily fitted into the socket portion 41 of the key member 40, which is preferable.

  As shown in FIG. 3, the second locking member 30 includes a second fixing piece 31 for the drawer 3, a cylinder body 32 attached to the second fixing piece 31, and an annular washer fixed to one end of the cylinder body 32. Part 33.

  The second fixing piece 31 is made of a rectangular metal piece, and is formed at three places along the long side edge and at six places on both sides. The other end of the cylindrical body 32 is fixed to one short side edge of the second fixed piece 31.

  The cylindrical body 32 is formed from a metal cylindrical body, and the axial direction thereof is arranged orthogonal to the surface of the second fixed piece 31. The cylinder 32 can be fitted into the cylinder 12 of the first locking member 10, and the length thereof is longer than that of the cylinder 12.

  As shown in FIG. 4, the second locking member 30 is fixed to the first locking member 10 side of the front plate 3 a of the drawer 3 that is housed in the box 2 so as to be put in and out. The second locking member 30 is fixed to the drawer 3 with an existing wood screw, nail or the like through the fixing hole 31a.

  The cylinder 32 of the second locking member 30 fixed to the drawer 3 is coaxial with the female screw 13 and the cylinder 12 of the first locking member 10 fixed to the box 2. Further, in a state where the drawer 3 is housed in the box body 2, the cylinder body 32 of the second locking member 30 is fitted into the cylinder body 12 of the first locking member 10, and the female screw 13 and the second locking member 10 of the first locking member 10 are fitted. The washer 33 of the locking member 30 comes into contact (see FIG. 5B).

  As shown in FIG. 1, the key member 40 is made of a metal shaft, and includes a socket portion 41 formed at one end portion and an eye nut 42 fastened to the other end portion. The shape of the socket portion 41 is a twelve corner into which the male screw 20 and the nut 22 are fitted, and the two-surface width of the socket portion 41 is formed to be the same as the two-surface width of the male screw 20 and the nut 22.

  The key member 40 includes a magnet 43 fixed to the bottom of the socket portion 41, and the male screw 20 can be held in the socket portion 41 by the magnetic force of the magnet 43 (see FIG. 5B).

  The locking device 1 according to the first embodiment is configured as described above. For example, as shown in FIG. 4, for example, a box 2 such as a money box, and a drawer stored in the box 2 so as to be able to be put in and out. 3 is locked.

  That is, as the locking device 1, the first locking member 10 is attached to a box 2 such as a money box through the first fixing piece 11 so that the central axis of the female screw 13 is parallel to the direction in which the drawer 3 is put in and out. It is done. The second locking member 30 is attached to the front plate 3 a of the drawer 3 via the second fixing piece 31 so that the cylindrical body 32 is coaxial with the female screw 13.

  Next, a method of using the locking device 1 attached to the box 2 and the drawer 3 will be described with reference to FIG.

  First, as shown in FIG. 5A, the drawer 3 is pulled out from the box 2 and is in an unlocked state. When the drawer 3 is placed in the box 2, the cylinder 32 of the second locking member 30 is fitted into the cylinder 12 of the first locking member 10 from the washer 33.

  Furthermore, when the drawer 3 is completely stored in the box 2, the female screw 13 of the first locking member 10 and the washer portion 33 of the second locking member 30 come into contact (see FIG. 5B).

  In this contact state, the male screw 20 is held by the magnet 43 in the socket portion 41 of the key member 40, and the male screw 20 is inserted into the washer portion 33 while the key member 40 is inserted into the cylindrical body 32 of the second locking member 30. .

  Subsequently, while pressing the key member 40 toward the washer portion 33, the key member 40 is rotated by holding the eye nut 42, and the male screw 20 is first locked via the washer portion 33 that receives the head portion 21 and the nut 22. Fastened to the female screw 13 of the member 10.

  Thereafter, when the key member 40 is pulled out, the first locking member 10 and the second locking member 30 in a state where the head 21 and the nut 22 of the male screw 20 are received by the washer 33 as shown in FIG. Is fastened and the drawer 3 is locked to the box 2.

  In a state in which the drawer 3 is locked with respect to the box body 2, the head 21 of the male screw 20 is located in the cylindrical body 32 of the second locking member 30. For this reason, in order to loosen the male screw 20, it is necessary to prepare a dedicated tool having a socket or the like that reaches the head 21 of the male screw 20 in the cylinder 32 in advance. I can't lock it.

  On the other hand, since the user of the locking device of the first embodiment has the key member 40, the male screw 20 is easily loosened and removed by the key member 40, and the drawer 3 is unlocked from the box 2. be able to.

The locking device 1 of 2nd embodiment which concerns on this invention is shown to FIGS.
In the locking device 1 ′ of the second embodiment, the female screw 13 of the first locking member is formed of a shaft, and the female screw 13 is connected to the cylindrical body 32 of the second locking member 30 with respect to the first fixed piece 11. It differs from the locking device 1 of the first embodiment described above in that it is slidably mounted in a coaxial state. In other configurations, configurations that are considered to be the same as the configurations of the first embodiment are denoted by the same reference numerals, and description thereof is omitted.

  Locking tool 1 'of 2nd embodiment locks a pair of doors 50 and 51 which can be opened in a closed state, for example, the 1st locking member 10 is attached to one door 50, and the other door 51 The 2nd locking member 20 is attached to (refer FIG. 9).

  As shown in FIGS. 6 and 7, the first locking member 10 includes a rectangular first fixed piece 11 for one door 50, a pair of support pieces 14, 14 protruding from one side of the first fixed piece 11, and a latch. It has the piece 15 and the internal thread 13 supported by a pair of support pieces 14 and 14 so that a slide is possible.

  The female screw 13 is a metal shaft body in which a female screw portion 13a is formed in the axial direction at one end, and has an annular engagement piece 13b that protrudes radially outward from an intermediate position in the length direction.

  The pair of support pieces 14, 14 are disposed on both sides in the length direction of one surface of the first fixed piece 11, and have through holes 14 a through which the female screws 13 are inserted. A female screw 13 is inserted into each through hole 14 a, and a pair of support pieces 14, 14 support the female screw 13 slidably along the length direction of the first fixed piece 11.

  The locking piece 15 is formed in an annular shape, and can be engaged by being inserted into the engaging piece 13b of the female screw 13 in the locked state described later.

  The male screw 20 is a hexagonal bolt and can be fastened to the female screw portion 13 a of the female screw 13 of the first locking member 10.

  As shown in FIG. 8, the second locking member 30 includes a second fixed piece 31 for the other door 51, and a cylindrical body 32 attached to the second fixed piece 31 via a pair of holding pieces 34 and 35. An annular washer portion 33 fixed in the cylindrical body 32 and a guide piece 36 protruding from the second fixed piece 31 are provided.

  The cylindrical body 32 is formed of a metal cylindrical body, and the axial direction is parallel to the surface of the second fixed piece 31 and is along the length direction of the second fixed piece 31 by the pair of holding pieces 34 and 35. Held in a state.

  The annular washer portion 33 is disposed at the center in the axial direction with respect to the inside of the cylindrical body 32, and the radial center is located on the axis of the cylindrical body 32.

  The pair of holding pieces 34 and 35 have through holes 34 a and 35 a that are coaxial with the cylindrical body 32. One holding piece 34 is disposed on one end side in the length direction of the second fixed piece 31, the through hole 34 a has the same inner diameter as the cylindrical body 32, and the key member 40 can be inserted therethrough.

  The other holding piece 35 is disposed inside the other end in the length direction of the second fixed piece 31, and the through hole 35 a has an inner diameter through which the female screw 13 can be inserted. The guide piece 36 is disposed on the other end side in the length direction of the second fixed piece 31 and has a through hole 36 a that is coaxial with the cylindrical body 32. The through hole 36a has an inner diameter through which the female screw 13 can be inserted.

  The locking device 1 ′ of the second embodiment is configured as described above. For example, as shown in FIG. 9, a pair of doors 50 and 51 that can be opened in a closed state are locked in a closed state.

  That is, as the locking device 1 ′, the first locking member 10 is attached to one door 50 through the first fixing piece 11 so that the female screw 13 is slidable in the width direction of the door 50. The second locking member 30 is arranged on the other door 51 via the second fixing piece 31 so that the cylindrical body 32 is coaxial with the female screw 13 (see FIGS. 9A and 9B).

  Next, a method of using the locking device 1 ′ attached to the pair of doors 50 and 51 that can be opened is described based on FIG. 10.

  First, as shown to Fig.10 (a), a pair of doors 50 and 51 are closed and it is in the unlocked state. Then, the female screw 13 is slid toward the cylindrical body 32 of the second locking member 30 to bring the female screw 13 into contact with the washer portion 33 of the cylindrical body 32.

  In this contact state, the male screw 20 is held by the magnet 43 in the socket portion 41 of the key member 40, and the male screw 20 is inserted into the cylindrical body 32 from the through hole 34 a side of the holding piece 34 while the male screw 20 is inserted into the washer portion 33. (See FIG. 10B).

  Subsequently, while pressing the key member 40 toward the washer portion 33, the key member 40 is rotated by holding the eye nut 42, and the male screw 20 is connected to the first locking member 10 via the washer portion 33 that receives the head portion 21. Tighten to the female screw 13.

  Thereafter, when the key member 40 is pulled out, the first locking member 10 and the second locking member 30 are fastened with the head 21 of the male screw 20 received by the washer 33 as shown in FIG. 10 (c). Thus, the pair of doors 50 and 51 are locked.

  In a state where the pair of doors 50 and 51 are locked, the head 21 of the male screw 20 is located in the cylindrical body 32 of the second locking member 30. For this reason, as in the case of the locking device 1 of the first embodiment, in order to loosen the male screw 20, a special tool having a socket having a length reaching the head 21 of the male screw 20 in the cylinder 32 is prepared in advance. Therefore, the male screw 20 cannot be easily loosened and illegally unlocked.

DESCRIPTION OF SYMBOLS 1 Locking tool 1 'Locking tool 2 Box 2a Side plate 3 Drawer 3a Front plate 10 First locking member 11 First fixing piece 11a Fixing hole 12 Tubular body 12a Guard plate part 12b Female screw holding part 13 Female screw 13a Female screw part 13b Engagement piece 14 Supporting piece 14a Through hole 15 Locking piece 20 Male screw 21 Head 22 Nut 30 Second locking member 31 Second fixing piece 31a Fixing hole 32 Cylindrical body 33 Washer part 34 Holding piece 34a Through hole 35 Holding piece 35a Through hole 36 Guide Piece 36a Through-hole 40 Key member 41 Socket part 42 Eye nut 43 Magnet

Claims (4)

A locking device that locks a box and a drawer that is housed in and out of the box,
A first locking member for the box, a first locking member having a female screw attached to the first fixing piece, a male screw tightened on the female screw and having a head, a second fixing piece for the drawer, A second locking member having a cylinder attached to the second fixed piece and an annular washer for receiving the head of the male screw in the cylinder;
The female screw of the first locking member is attached to the cylindrical body of the second locking member coaxially with respect to the first fixed piece,
A locking device in which the male screw inserted into the cylindrical body of the second locking member in a state in which the drawer is housed in the box is fastened to the female screw via the washer that receives the head. . A locking device that locks a pair of doors that can be opened in a closed state,
A first locking member having a first fixing piece for the one door, a female screw attached to the first fixing piece, a male screw tightened on the female screw and having a head, and a second fixing to the other door A second locking member having a piece, a cylinder attached to the second fixed piece, and an annular washer for receiving the head of the male screw in the cylinder,
With the pair of doors closed, the female screw of the first locking member is attached to the first fixed piece so as to be slidable coaxially with the cylindrical body of the second locking member,
The locking device in which the male screw inserted into the cylindrical body of the second locking member in a state where the pair of doors are closed is fastened to the female screw via the washer portion receiving the head.   A key member having a socket part that fits into the head of the male screw, and the socket part of the key member fits into the head of the male screw in a state in which the key member is inserted into the cylinder of the second locking member; The locking device according to claim 1, wherein the locking device is made.   The locking tool according to claim 3, wherein the male screw is made of iron and includes a magnet that attracts the head of the male screw in a socket portion of the key member.

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