JP6616861B2 - Auxiliary lock fitting and auxiliary lock device - Google Patents

Description

  The present invention relates to an auxiliary lock fitting for locking and unlocking the hinged door separately from the existing lock in the hinged door, and an auxiliary lock device using the auxiliary lock fitting.

  When renovating a room such as an apartment or condominium, or when guiding an apartment or condominium room for a preview, the contractor or real estate agent holds a number of room keys for each room. Open and close. In this case, it is necessary to carry and use a large number of keys, which is very inconvenient and may be lost.

  As an example of measures against such a problem, an auxiliary lock device is known in which a hinged door is temporarily installed and unlocked with a simple lock such as a padlock without using an existing lock. This type of auxiliary lock device has a configuration in which a padlock or the like can be easily attached without processing the hinged door (hereinafter also referred to as “door”) and the door frame (hereinafter also referred to as “door frame”). Yes. More specifically, for example, as described in Patent Documents 1 and 2, the tip of the mounting plate fixed to the door frame by a screw tightening force inside the door from the gap between the door and the door frame. It is configured to protrude outward and to be locked by inserting a lock such as a padlock into a lock insertion hole formed in both the tip and the engagement fitting fitted thereto.

  The locking metal fitting is sized to fit the front end of the mounting plate and cover the outside.

Japanese Utility Model Publication No. 55-29649 Japanese Patent Laid-Open No. 2002-168022

  In the auxiliary lock devices disclosed in Patent Documents 1 and 2, since the locking metal fitting has a simple and small size structure that covers the tip of the mounting plate, the tip of the mounting plate when an external force is applied. There is a concern that the portion is not protected by the locking metal fitting and is bent, and the operability (handleability) at the time of locking / unlocking is low because the area of the hand-held portion is small.

  The present invention was devised in view of such a situation, and an object thereof is to provide an auxiliary lock fitting capable of improving the protection function and operability of the tip of the mounting plate and an auxiliary lock device using the fitting. To do.

  In order to achieve the above-mentioned object, the present invention is an auxiliary lock fitting used by engaging with a mounting plate protruding outside the door from a gap between the door and the door frame, and the insertion plate through which the mounting plate is inserted. Each of the insertion holes has an inner member and an outer member that can be overlapped, and at least one of the inner member and the outer member has An engagement convex portion that engages with an engagement hole formed in the attachment plate in a state where the attachment plate is inserted is provided, and the inner member and the outer member are engaged with the engagement convex portion. Each has a lock hook insertion hole that is in an overlapped state.

  In the overlapping structure composed of an inner member and an outer member, these are coupled so as to be relatively displaceable from each other, and at least a part of each insertion hole can be overlapped, and engages with the tip of the mounting plate Therefore, it is possible to secure the strength and configuration for protecting the tip of the mounting plate. Further, one of these can be locked and unlocked by holding the other hand with the other hand, and the operability can be improved.

  The inner member and the outer member are slidably coupled in an overlapped state, and the mounting plate can be inserted into the overlapping portion of each insertion hole at the unlocked position where the inner member and the outer member are slid in a direction away from each other. The engaging convex portion is configured to engage with an engaging hole formed in the mounting plate at a locked position in which the inner member and the outer member are slid so as to approach each other with the mounting plate inserted. It is preferable. Thereby, in the overlapping structure composed of the inner member and the outer member, the structure is configured such that these are slid so as to be close to each other and engaged with the tip portion of the mounting plate. Can be secured. Further, since the inner member and the outer member are slidably provided with each other, one of them can be locked with one hand and the other with the other hand, and the operability can be improved.

  It is preferable that the engaging convex portion is provided on both the inner member and the outer member. Thereby, the engagement strength (lock strength) with the mounting plate can be increased.

  The engaging convex portion has a shape protruding inward from the peripheral edge of the insertion hole, and when the inner member and the outer member are slid so as to approach each other, these engaging convex portions overlap in the thickness direction. It is preferable to engage with the engagement holes. Thereby, the engagement strength with the mounting plate can be further increased.

  It is preferable that a knob for performing a slide operation is provided on at least one of the inner member and the outer member. Thereby, operability can be further improved.

  The knob is preferably formed by bending a part of the inner member or the outer member. If it does in this way, a knob part can be formed from a veneer and manufacture will become easy.

  The inner member and the outer member are rotatably coupled at one end, and the inner member is provided with an engaging convex portion that engages with an engaging hole formed in the mounting plate in a state where the mounting plate is inserted. When the inner member and the outer member are overlapped with each other, the engaging convex portion is in a locked position to engage with the engaging hole formed in the mounting plate, and the engaging convex portion is in a state where the inner member and the outer member are open to each other. Is preferably configured to be able to come out of the engagement hole. As a result, the inner member and the outer member are configured such that one end thereof is rotatably connected and the outer member is rotated to engage the distal end portion of the mounting plate. The strength and configuration to protect can be secured. In addition, since one end of the inner member and the outer member are rotatably coupled, one of them can be locked with one hand and the other with the other hand, and the operability can be improved. it can.

  It is preferable that the lock pad insertion hole is provided at each of a plurality of locations on the inner member and the outer member. Thereby, the auxiliary | assistant lock metal fitting can be locked with two or more locks, and crime prevention can be improved.

  In addition, the present invention is characterized by comprising the above-described auxiliary locking metal fitting, a mounting plate, and a lock having a lock hook inserted into the lock hook insertion hole of the auxiliary locking metal fitting. As a result, the door can be easily locked without any processing.

  According to the auxiliary lock metal fitting and the auxiliary lock device of the present invention, it is possible to provide an auxiliary lock metal fitting capable of improving the protection function and operability of the tip end portion of the mounting plate and an auxiliary lock device using the metal fitting.

It is a perspective view showing roughly composition of an auxiliary lock device concerning a 1st embodiment of the present invention. It is sectional drawing which shows schematically the state just before setting the auxiliary | assistant lock metal fitting of 1st Embodiment to a lock release position, and inserting in an attachment plate. It is sectional drawing which shows roughly the state which penetrated the auxiliary | assistant lock metal fitting of 1st Embodiment to the attachment plate. It is sectional drawing which shows roughly the locked state of the door by the auxiliary | assistant lock apparatus shown in FIG. It is a disassembled perspective view which shows schematically the structure of the auxiliary | assistant lock metal fitting of 1st Embodiment. It is a perspective view which shows roughly the state in the lock position of the auxiliary | assistant lock metal fitting of 1st Embodiment. It is a front view which shows the state in the lock release position of the auxiliary | assistant lock metal fitting of 1st Embodiment. It is a front view which shows the state in the lock position of the auxiliary | assistant lock metal fitting of 1st Embodiment. It is a principal part perspective view which shows the state which the engagement convex part of the auxiliary | assistant lock metal fitting approachs and engages with the engagement hole of the front-end | tip part of the attachment plate in 1st Embodiment. It is a perspective view which shows the other example of the use condition of the auxiliary | assistant lock apparatus in 1st Embodiment. It is a perspective view which shows roughly the structure of the auxiliary | assistant lock apparatus which concerns on the 2nd Embodiment of this invention. It is a perspective view which shows roughly the structure of the auxiliary | assistant lock metal fitting of 2nd Embodiment. It is the front view, side view, and sectional view which show the state in the lock position of the auxiliary | assistant lock metal fitting of 2nd Embodiment. It is the front view which shows the state in the lock release position of the auxiliary | assistant lock metal fitting of 2nd Embodiment, a side view, and sectional drawing.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of an auxiliary lock fitting and an auxiliary lock device according to the present invention will be described with reference to the drawings.

  FIG. 1 shows the configuration of the auxiliary lock device 2 according to the first embodiment of the present invention. In FIG. 1, the door 6 is locked by the auxiliary lock device 2. FIG. 2 shows a state before the auxiliary locking metal fitting 14 set at the unlocking position is inserted through the mounting plate 10, and FIG. 3 shows a state where the auxiliary locking metal fitting 14 is inserted through the mounting plate 10. FIG. 4 shows a state in which the auxiliary locking metal fitting 14 is set at the lock position after the auxiliary locking metal fitting 14 is inserted into the mounting plate 10 and the auxiliary locking metal fitting 14 is locked with the padlock 20. FIG. 5 shows the configuration of each part of the auxiliary lock fitting 14. FIG. 6 shows a state in which the inner member 22 and the outer member 24 shown in FIG. FIG. 7 shows the unlocking position of the auxiliary locking metal fitting 14, and FIG. 8 shows the locking position of the auxiliary locking metal fitting 14.

  As shown in FIGS. 1 to 4, the auxiliary lock device 2 is fixed to the door frame 4, and a mounting plate whose front end portion 12 protrudes (exposes) from the gap 8 between the door 6 and the door frame 4 to the outside of the door 6. 10, an auxiliary lock fitting 14 that is used by engaging with the distal end portion 12 of the mounting plate 10, and a padlock 20 that locks the auxiliary lock fitting 14. The door 6 is a hinged door type door that rotates in the direction of arrow R in FIG. Although not shown, the door 6 is provided with a lock (main lock) that inherently locks and unlocks the door. That is, the auxiliary lock device 2 is temporarily provided separately from the main lock, and simply locks and unlocks the door 6.

  As shown in FIGS. 2 to 4, the mounting plate 10 is fixed to the door frame 4 only by the fastening force of the fixing screw 16 inside the door 6. In other words, the mounting plate 10 is fixed without any processing on the door frame 4 using the concave and convex shape on the indoor side of the door frame 4. For this reason, in the installation of the auxiliary lock device 2, construction for the door frame 4 and the door 6 is unnecessary. The front end portion 12 of the mounting plate 10 protrudes outside the door 6, and the auxiliary locking device 14 is engaged with the engaging hole 18 formed in the front end portion 12 to lock the door 6 by the auxiliary locking device 2 (locking). Is made.

  In FIG. 1 and FIG. 4 showing the locked state by the auxiliary lock device 2, an engagement convex portion, which will be described later, of the auxiliary lock fitting 14 is engaged with the engagement hole 18 formed in the distal end portion 12 of the mounting plate 10, and The auxiliary locking metal fitting 14 is locked with a padlock 20 so that the unlocking operation cannot be performed by sliding the auxiliary locking metal fitting 14.

  As shown in FIGS. 5-8, the auxiliary | assistant lock metal fitting 14 has the structure which integrally couple | bonded the inner member 22 and the outer side member 24 by the side of the door 6 with the connection pin 26 in the overlapping state and slidably. ing. Each of the inner member 22 and the outer member 24 is formed by pressing a single metal plate such as stainless steel. The connecting pin 26 is inserted through the insertion hole 64 of the outer member 24 and the movement hole 42 of the inner member 22 and then passed through the bush nut 70, and the tip is subjected to a retaining process by caulking or the like.

  As shown in FIG. 5, the inner member 22 has a door contact piece 28 formed by bending an end portion in the vertical direction (Y direction) of a flat base plate 27 to the door side (inner side). On one side of each door abutting piece 28 in the left-right direction (X direction), a locking piece 32 having a lock insertion hole 30 is raised outward (Z direction) and is disposed oppositely. On the other side in the left-right direction of each door abutting piece 28, a knob 34 for sliding operation is raised to the outside and disposed oppositely. On the side of the knob 34 of the base plate 27, one locking piece 38 having a lock insertion hole 36 is raised outward. In the central region of the base plate 27, an insertion hole 40 through which the distal end portion 12 of the mounting plate 10 is inserted is formed, and a movement hole 42 of the connecting pin 26 is formed in a long hole shape. Engaging protrusions 44 are formed in the insertion hole 40 so as to protrude inwardly from the peripheral edge of the insertion hole 40. Each door abutting piece 28 is provided with a cushioning material 46 such as rubber for damaging the surface of the door 6 and the door frame 4 and relaxing the abutting sound. The outer surface of each knob 34 is covered with a cushioning material 48 such as rubber so as to improve the feel and the difficulty of sliding when the finger is picked (improvement in operability).

The outer member 24 has a sliding guide piece 52 formed by bending an end in the vertical direction of the base plate 50 outward. Each sliding guide piece 52 is formed with a lock hook insertion hole 54 facing each other, and these lock hook insertion holes 54 are locked positions where the inner member 22 and the outer member 24 are slid so as to approach each other. Thus, the lock member insertion hole 30 of the inner member 22 is overlaid. On one side of the base plate 50 in the left-right direction, in other words, on the side opposite to the knob 34 side of the inner member 22, one knob 56 for sliding operation is raised outward. The outer surface of the knob 56 is covered with a cushioning material 58 such as rubber to improve the feel and the difficulty of sliding when picked with a finger. On the other side of the base plate 50, a locking piece 62 having a lock hook insertion hole 60 is raised outward. Further, the base plate 50 is formed with an insertion hole 64 for the connecting pin 26, and an insertion hole 66 for inserting the tip end portion 12 of the mounting plate 10 is formed in the central region. In the insertion hole 66, an engagement convex portion 68 is formed so as to protrude inward from the peripheral edge of the insertion hole 66 in a direction opposite to the engagement convex portion 44 of the inner member 22.

  When the auxiliary locking metal fitting 14 is set to the unlocking position, as shown in FIG. 7, for example, the two knobs 34 of the inner member 22 are picked with the thumb and index finger of the right hand, and one knob 56 of the outer member 24 is When the inner member 22 and the outer member 24 are slid in the left-right direction (in the direction of the arrow in the figure) so that the inner member 22 and the outer member 24 are separated from each other with the thumb and index finger of the left hand, the connecting pin 26 hits the left end of the movement hole 42 and the Slide movement is restricted. This position is a lock release position (position shown in FIGS. 2 and 3) between the auxiliary locking metal fitting 14 and the mounting plate 10. In this unlocked position, there is an overlapping portion 45 where the engagement convex portions 44 and 68 do not exist between the insertion hole 40 of the inner member 22 and the insertion hole 66 of the outer member 24, and the tip portion 12 of the mounting plate 10 is Smooth insertion is possible.

  Further, as shown in FIG. 2, when the auxiliary locking metal fitting 14 is set to the unlocked position, the overlapping portion 45 of the insertion holes 40 and 66 is opposed to the distal end portion 12 of the mounting plate 10 and pushed in. As shown in FIG. 3, the tip end portion 12 of the mounting plate 10 is inserted into the overlapping portion 45, and the door contact piece 28 of the inner member 22 contacts the outer surface of the door 6 and the door frame 4 through the cushioning material 46. In other words, the auxiliary lock fitting 14 can be brought into a stable contact state with the outer surfaces of the door 6 and the door frame 4. 2 is shown as a cross-sectional view taken along the line AA in FIG.

  When the inner member 22 and the outer member 24 are slid so as to approach each other in this unlocked state, the connecting pin 26 hits the right end of the moving hole 42 and further sliding movement is restricted as shown in FIG. The This position is a lock position (position shown in FIGS. 1 and 4) between the auxiliary lock fitting 14 and the mounting plate 10. In the sliding operation toward the lock position, as shown in FIG. 9, the engagement protrusions 44 of the inner member 22 and the engagement protrusions of the outer member 24 are inserted into the engagement holes 18 formed in the distal end portion 12 of the mounting plate 10. The parts 68 enter in opposite directions and engage with the engagement holes 18 in a state where they overlap with each other in the thickness direction, resulting in the state shown in FIG. FIG. 4 is a cross-sectional view taken along line BB in FIG. 8, showing the overall configuration in the locked state.

  With the inner member 22 and the outer member 24 in the locked position, as shown in FIG. 1, the padlock of the padlock 20 is changed into the lock insertion hole 54 of the outer member 24 and the lock insertion hole 30 of the inner member 22. Pass through and lock. As a result, the auxiliary lock metal fitting 14 cannot be slid, and the engagement state between the auxiliary lock metal fitting 14 and the mounting plate 10, that is, the locked state of the door 6 by the auxiliary lock device 2 is completed. In the present embodiment, there are three places of locking of the auxiliary lock fitting 14 by the padlock 20, which may be locked at any place, and may be locked with a plurality of padlocks 20 to improve crime prevention. Of course, only one locking location may be provided. As shown in FIG. 10, the locking means for locking the sliding operation of the auxiliary lock metal fitting 14 is not limited to the padlock 20 but may be another lock such as a dimple lock 74, or may be used together with the padlock 20.

  In the present embodiment, as shown in FIG. 1, the door 6 side of the auxiliary lock fitting 14 (strictly speaking, the door 6 side of the inner member 22) is the outer surface of the door 6 and the outer surface of the door frame 4. A part of the front end portion 12 of the mounting plate 10 protrudes to the inner central portion of the auxiliary locking metal fitting 14. For this reason, the protection function with respect to the external force which bends the front-end | tip part 12, and its stability are high. In addition, since the two knobs 34 of the inner member 22 are separated from each other, it is easy to pick them with the thumb and index finger or the thumb and middle finger, and can be stably held with both hands, thereby improving the operability. The two opposing knobs 34 may be provided on the outer member 24, and the position and number of the knobs 34 formed are not limited.

  When the lock state of the door 6 by the auxiliary lock device 2 is released, the lock of the auxiliary lock fitting 14 by the padlock 20 is released, and the inner member 22 and the outer member 24 are held and slid to the lock release position. The unlock position is in the state shown in FIG. 2 or FIG. When the auxiliary lock fitting 14 is pulled out in this state, the engagement between the auxiliary lock fitting 14 and the mounting plate 10 is released, and the door 6 can be opened and closed.

  As shown in FIG. 1, an operation explanation seal is affixed to the knob 56 side of the base plate 50 of the outer member 24 so that the locking and unlocking operations can be easily performed. The operation explanation sticker has “LOCK” indicating a lock operation and an arrow indicating the direction thereof, “OPEN” indicating a lock release operation and an arrow indicating the direction thereof. The display of the operation description may be directly stamped on the base plate 50 of the outer member 24 without attaching a seal.

  As described above, the inner member 22 and the outer member 24 are formed by processing a single metal plate by pressing or the like to form a lock punch insertion hole or insertion hole in one step, and then bending the necessary portion. Can be easily manufactured. The inner member 22 and the outer member 24 may be manufactured by integral molding using a synthetic resin such as engineering plastic.

  Further, the engaging convex portion may be provided on either the inner member 22 or the outer member 24. That is, one of the insertion holes 40 and 66 may have a quadrangular shape without the engaging convex portions 44 or 68. If the engagement protrusions 44 and 68 are provided on both the inner member 22 and the outer member 24 as in the present embodiment, the engagement with the mounting plate 10 can be achieved with the engagement protrusions being doubled. Therefore, the engagement strength, that is, the lock strength of the door 6 by the auxiliary lock device 2 can be improved.

  In the above-described embodiment, the operation direction of the auxiliary lock metal fitting 14 is specified. However, the position of the knob portion 34 of the inner member 22 and the knob portion 56 of the outer member 24 can also be used so as to be reversed left and right.

  FIG. 11 shows the configuration of an auxiliary lock device 2A according to the second embodiment of the present invention. FIG. 12 shows the configuration of the auxiliary locking metal fitting 14A of the second embodiment. FIG. 12 (a) shows the state of the auxiliary locking metal fitting 14A in the locked position, and FIG. 12 (b) shows the auxiliary locking metal fitting 14A. The state in the unlocking position of the metal fitting 14A is shown. FIG. 13 shows the state of the auxiliary locking metal fitting 14A in the locked position. FIG. 13 (a) is a front view of the auxiliary locking metal fitting 14A, and FIG. 13 (b) is a side view of the auxiliary locking metal fitting 14A. (C) is CC sectional view taken on the line. 14A and 14B show the state of the auxiliary lock metal fitting 14A in the unlocked position, where FIG. 14A is a front view, FIG. 14B is a side view, and FIG. 14C is a sectional view taken along the line DD. It is.

  As shown in FIG. 11 to FIG. 14, the auxiliary locking device 2 </ b> A is fixed to the door frame 4, and the mounting plate is projected (exposed) from the gap 8 between the door 6 and the door frame 4 to the outside of the door 6. 10, an auxiliary lock fitting 14 </ b> A that is used by engaging with the tip 12 of the mounting plate 10, and a padlock 20 that locks the auxiliary lock fitting 14 </ b> A.

  Since the mounting plate 10 has the same configuration as that of the first embodiment described above, detailed description thereof is omitted.

  In the auxiliary lock fitting 14A, the inner member 22A on the door 6 side and the outer member 24A are coupled (coupled) at one end so as to be rotatable, and the mounting plate 10 is inserted in the inner member 22A through the mounting plate 10. An engagement convex portion 44 that engages with the engagement hole 18 formed in the distal end portion 12 is provided, and the engagement convex portion 44 is the distal end of the mounting plate 10 in a state where the inner member 22A and the outer member 24A overlap each other. The engaging projection 44 is configured to be able to come out of the engaging hole 18 in a state where the inner member 22A and the outer member 24A are opened to each other. .

  The inner member 22 </ b> A and the outer member 24 </ b> A are formed by pressing a single metal plate such as stainless steel, for example, and one end thereof is rotatably connected via a hinge member (for example, a hinge) 80. The auxiliary locking bracket 14A is brought into the locked position or the unlocked position when the outer member 24A is rotated via the hinge member 80.

  The inner member 22A has a door contact piece 28 formed by bending an end portion of the flat base plate 27 in the vertical direction to the door 6 side (inner side). On one side of the base plate 27 in the left-right direction, a locking piece 32 having a lock hook insertion hole 30 a is raised outward and is disposed oppositely. A lock hook insertion hole 36 is provided at the center of the base plate 27 in the vertical direction. One locking piece 38 is raised to the outside. A hinge member 80 is connected to the other side of the base plate 27 in the left-right direction. In the central region of the base plate 27, an insertion hole 40 through which the tip 12 of the attachment plate 10 is inserted is formed. An engagement convex portion 44 is formed in the insertion hole 40 so as to project inwardly from the periphery of the insertion hole 40. Each door contact piece 28 is provided with a cushioning material 46 such as rubber that does not damage the surfaces of the door 6 and the door frame 4 and relaxes the contact sound.

  The outer member 24 </ b> A has a pair of side pieces 52 formed by bending the vertical end of the base plate 50 outward. On one end side of each side piece 52 (that is, one side in the left-right direction of the base plate 50), a lock pad insertion hole 30b and a knob 34 for turning operation are provided, and the center of the base plate 50 in the vertical direction is provided. One locking piece 62 having a lock hook insertion hole 60 in the part is raised outward. The outer surface of the knob 34 is covered with a cushioning material 48 such as rubber so that the touch and the difficulty of sliding are improved when the finger is picked. An insertion hole 66 through which the tip 12 of the mounting plate 10 is inserted is formed in the central region of the base plate 50. The insertion hole 66 is configured to overlap with the side of the insertion hole 40 of the inner member 22 </ b> A that has the engaging convex portion 44 at the locked position. A hinge member 80 is connected to the other side of the base plate 50 in the left-right direction.

  In the present embodiment, when the outer member 24A is rotated and opened, the auxiliary lock fitting 14A is in the unlocked position. In this case, the engaging convex portion 44 of the inner member 22A can be removed from the engaging hole 18 of the distal end portion 12 of the mounting plate 10, and the auxiliary locking metal fitting 14A can be detached from the mounting plate 10. On the other hand, when the outer member 24A is rotated to a closed state (a state overlapping with the inner member 22A), the auxiliary lock fitting 14A is in the locked position. In this case, it is restricted that the engaging convex portion 44 of the inner member 22 </ b> A is extracted from the engaging hole 18 of the distal end portion 12 of the mounting plate 10.

  As described above, in the present embodiment, the auxiliary lock device 2A is fixed to the door frame 4 and the front end portion 12 is attached (exposed) to the outside of the door 6 through the gap 8 between the door 6 and the door frame 4. A plate 10, an auxiliary lock metal fitting 14 </ b> A used by engaging with the front end portion 12 of the mounting plate 10, and a padlock 20 that locks the auxiliary lock metal fitting 14 </ b> A are provided. In the auxiliary lock fitting 14A, the inner member 22A on the door side and the outer member 24A are rotatably coupled at one end, and the distal end portion 12 of the mounting plate 10 is inserted into the inner member 22A with the mounting plate 10 inserted therethrough. An engagement convex portion 44 is provided on the distal end portion 12 of the mounting plate 10 in a state in which the inner member 22A and the outer member 24A are overlapped with each other. The engaging projection 44 is configured to be able to come out of the engagement hole 18 in a state where the inner member 22A and the outer member 24A are open to each other.

  Thereby, the intensity | strength and structure which protect the front-end | tip part 12 of the attachment plate 10 are securable. Further, since the inner member 22A and the outer member 24A are rotatably coupled at one end, the outer member 24A is rotated with one hand, and the engaging convex portion 44 is held with the inner member 22A with the other hand. By extracting from the engagement hole 18 of the tip 12 of the mounting plate 10, locking and unlocking can be performed, and operability can be improved.

  By using the auxiliary lock devices 2 and 2A of the present invention described in the above embodiment, when a room such as an apartment or a condominium is renovated, or a room for an apartment or condominium is guided to a prospective resident for a preview. In this case, a simple locking / unlocking device can be easily temporarily installed. When it becomes unnecessary, the whole apparatus can be easily removed by removing the mounting plate 10. You may make it leave permanently. In this case, it can be made to function as an auxiliary lock for improving crime prevention with this lock.

  All the embodiments described above are illustrative of the present invention and are not intended to be limiting, and the present invention can be implemented in other various modifications and changes. Therefore, the scope of the present invention is defined only by the claims and their equivalents.

2, 2A Auxiliary lock device 4 Door frame 6 Door 8 Clearance 10 Mounting plate 14, 14A Auxiliary lock fitting 18 Engagement hole 20 Padlock as a lock 22, 22A Inner member 24, 24A Outer member 30, 30a, 30b, 36, 54, 60 Lock rod insertion hole 34, 56 Knob 40, 66 Insertion hole 44, 68 Engaging projection 45 Overlapping portion 74 Dimple lock 80 as a lock 80 Hinge member

Claims (9)

Auxiliary lock fitting used by engaging with a mounting plate projecting outside the door from the gap between the door and the door frame,
Each having an insertion hole through which the mounting plate is inserted, coupled to each other so as to be displaceable relative to each other, and having an inner member and an outer member on which at least a part of each of the insertion holes can be superimposed;
At least one of the inner member and the outer member is provided with an engaging protrusion that engages with an engaging hole formed in the mounting plate in a state where the mounting plate is inserted.
The inner member and the outer member each have a lock hook insertion hole that is in an overlapped state when the engagement protrusion is engaged with the engagement hole. Hardware. The inner member and the outer member are slidably coupled in an overlapping state,
The mounting plate can be inserted through the overlapping portions of the insertion holes at an unlocked position where the inner member and the outer member are slid in directions away from each other.
The engagement convex portion engages with an engagement hole formed in the attachment plate at a lock position in which the inner member and the outer member are slid so as to approach each other with the attachment plate inserted. It is comprised, The auxiliary | assistant lock metal fitting of Claim 1 characterized by the above-mentioned.   The auxiliary locking bracket according to claim 2, wherein the engaging convex portion is provided on both the inner member and the outer member.   The engaging protrusions have a shape protruding inward from the peripheral edge of the insertion hole, and when the inner member and the outer member are slid so as to approach each other, these engaging protrusions are in the thickness direction. 4. The auxiliary locking metal fitting according to claim 3, wherein the fittings are engaged with each other in an overlapped state.   5. The auxiliary locking metal fitting according to claim 2, wherein a knob portion for performing a sliding operation is provided on at least one of the inner member and the outer member. 6.   6. The auxiliary locking bracket according to claim 5, wherein the knob is formed by bending a part of the inner member or the outer member. The inner member and the outer member are rotatably coupled at one end, and the inner member is engaged with an engagement protrusion that engages with an engagement hole formed in the attachment plate with the attachment plate inserted. Part is provided,
In a state where the inner member and the outer member overlap with each other, the engagement convex portion becomes a lock position that engages with an engagement hole formed in the mounting plate,
2. The auxiliary lock fitting according to claim 1, wherein the engagement protrusion is configured to be able to be pulled out from the engagement hole in a state where the inner member and the outer member are opened from each other.   The auxiliary lock fitting according to any one of claims 1 to 7, wherein the lock hook insertion hole is provided at each of a plurality of locations of the inner member and the outer member. The auxiliary lock metal fitting according to any one of claims 1 to 8, the mounting plate, and a lock having a lock hook inserted into the lock hook insertion hole of the auxiliary lock metal fitting. Auxiliary locking device characterized.

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