JP4939666B1 - Pop-out prevention device - Google Patents

Abstract

To provide a pop-out preventing device that can prevent pop-out of furniture or the like and can be easily released and reset.
A pop-out preventing device disposed between a frame body and a drawer to prevent the drawer from popping out is attached to one of the frame body and the drawer, and a first latching portion is provided at one end portion. A first latching means comprising a seesaw member having an action part for projecting the first latching part to a lockable position at the other end, and attached to either the frame or the drawer, And a second hooking means having a second hooking part that can hook the first hooking part only when the drawer moves in the pulling direction. The seesaw member can lock the first hooking part. It is urged to project to a proper projecting position.
[Selection] Figure 1

Description

  The present invention relates to a pop-out prevention device that can prevent a drawer of furniture or the like from popping out.

  Conventionally, in a furniture drawer, as a method for preventing the drawer from popping out when an earthquake occurs, it is common to provide a pop-out prevention structure called an earthquake-resistant latch.

  Such a pop-out prevention structure includes a hook portion that prevents the drawer from popping out, and a detection sensor from which the locking portion protrudes by detecting shaking of an earthquake (for example, Patent Document 1).

  The drawer pop-out prevention structure described in Patent Document 1 is provided with a recessed portion on the upper surface of the drawer side wall and in the vicinity of the front of the chest body, and on the ceiling wall of the chest facing the upper edge of the drawer ahead of the recessed portion of the drawer. A stopper is provided, and a rotatable seesaw member that locks with the stopper in a tilted state is provided in the recess, and the seesaw member is constantly urged to an angle at which the seesaw member does not lock with the stopper. The seesaw member is provided with a weight receiving part that rotates the member to the position where it can be locked with the stopper, and the weight that tilts the seesaw member can be moved into the recess of the drawer and into the receiving part of the seesaw member by tilting the drawer. Is housed in.

Japanese Patent Laid-Open No. 9-224765

  The drawer pop-out preventing structure described in Patent Document 1 can prevent the drawer from popping out from the chiffon shaken by the earthquake. However, accidents caused by drawers are not only due to earthquakes, but also accidents caused by human factors in everyday life, such as accidents where a small child opens the drawer without permission, the drawer pops out and is injured. Therefore, there is a problem that the above-described pull-out prevention structure cannot be used.

  Further, the drawer pop-out prevention structure described in Patent Document 1 has a complicated release and reset operation after the locking operation.

  Further, the drawer pop-out preventing structure described in Patent Document 1 can be applied to a wooden drawer whose side wall has a certain thickness, but has a drawback that it cannot be applied to a drawer made of iron side walls.

  Therefore, the present invention solves the above-mentioned problems of the prior art, and the object of the present invention is to prevent the drawer of furniture and the like from popping out due to an artificial cause as well as an earthquake. An object of the present invention is to provide a pop-out prevention device that can be used.

  Another object of the present invention is to provide a pop-out prevention device that can be easily released and reset.

  According to the present invention, the pop-out prevention device, which is disposed between the frame and the drawer and prevents the drawer from popping out, is attached to either the frame or the drawer, and has a first hook at one end. A first latching means having a seesaw member having a portion and a working portion for projecting the first latching portion to a lockable position at the other end, and is attached to either the frame or the drawer And a second hooking means having a second hooking portion that can hook the first hooking portion only when the drawer moves in the pulling direction, and the seesaw member includes the first hooking portion. It is urged to project to a lockable projecting position.

  The seesaw member attached to either the frame or the drawer is urged so that the first hooking part protrudes to the lockable protruding position, so that the drawer is in the pulling direction unless the lock is released. When the first hook is moved, the first hook can be locked with the second hook of the second hook provided on the other of the frame and the drawer.

  It is preferable that an operation portion for releasing the lock by rotating the action portion of the seesaw member by hand on the side surface of the drawer or from the front side of the frame body is preferably provided. With this configuration, the lock can be easily released.

  The first hooking means has a stopper that forcibly restricts the first hooking portion of the seesaw member to the non-projecting position, and when the first hooking portion of the seesaw member is in the non-projecting position, It is preferable that the stop portion is configured not to be hooked on the second hook portion. By configuring in this way, it is possible to set a state in which the drawer is not always locked when the drawer moves in the drawing direction.

  The seesaw member is preferably configured such that the first hooking portion protrudes to the protruding position by its own weight acting on the center of gravity of the operating portion. In this way, by biasing the first latching portion so as to project to the lockable projecting position by its own weight, the number of parts is reduced and the configuration is simplified.

  The first hooking means preferably includes an elastic biasing member that biases the first hooking portion of the seesaw member so as to protrude to the protruding position. With this configuration, the urging force can be arbitrarily set according to the characteristics of the urging member.

  The second hooking means is a rotatable seesaw type hooking member having a second hooking part hooked on the first hooking part at one end, and a seesaw type hooking member. And an operating member that selectively protrudes the stopping portion to the first projecting position and the second projecting position projecting from the first projecting position. It is preferable that the second latching portion is configured to roll to the second projecting position. With this configuration, when the frame body shakes due to an earthquake or the like, even if the first latching part is forcibly restricted by the operation of the stopper, the drawer does not pop out. It can be prevented and can be easily released and reset.

  According to the present invention, only when the drawer moves in the pull-out direction, the first hooking part hooks with the second hooking part and locks the drawer, so that an artificial pull-out operation in a normal life, For example, it is possible to prevent a small child from opening a drawer without permission and the drawer popping out and being injured. It can also be attached to an iron side wall drawer.

  Furthermore, the operation part for releasing the lock is provided by rotating the action part of the seesaw member by hand on the side of the drawer or from the front side of the frame, so that the lock can be easily released.

  Furthermore, the first hooking means has a stopper that forcibly restricts the first hooking portion of the seesaw member to the non-projecting position, and when the first hooking portion of the seesaw member is in the non-projecting position, Since the first hooking portion is configured not to hook the second hooking portion, when the drawer moves in the pulling-out direction, the locked state and the unlocked state can be achieved.

  Further, by biasing the first latching portion so as to protrude to the protruding position by its own weight acting on the center of gravity of the operating portion, the number of parts is reduced and the configuration is simplified. Further, by providing an elastic urging member, the urging force can be arbitrarily set according to the characteristics of the urging member.

  Furthermore, when the frame body shakes due to an earthquake or the like, it is possible to prevent the drawer from popping out even if the first latching portion is forcibly restricted by the operation of the stopper. Yes, and can be easily released and reset.

It is a perspective view which shows roughly the structure of the pop-out prevention apparatus in one Embodiment of this invention. It is a disassembled perspective view which shows roughly the structure of the pop-out prevention apparatus in embodiment of FIG. It is a top view which shows the rotation position of the seesaw member of a 1st latching mechanism, and the seesaw type latching member of a 2nd latching mechanism. It is explanatory drawing which shows roughly the operation state of the pop-out prevention apparatus at the time of closing drawer | drawing-out, when the seesaw member of a 1st latching mechanism exists in a movable state. When the seesaw member of the first latching mechanism is in a movable state, it is an explanatory view schematically showing the operating state of the pop-out prevention device when the drawer moves in the pulling-out direction. It is explanatory drawing which shows roughly the state of the pop-out prevention apparatus at the time of moving in the direction where a drawer | drawer pulls out, when the seesaw member of a 1st latching mechanism exists in a fixed state. It is explanatory drawing which shows roughly the operation state of a pop-out prevention apparatus at the time of detecting a shake and moving in the direction where a drawer pulls out when the seesaw member of the first latching mechanism is in a fixed state. It is explanatory drawing which shows roughly the operation state of a pop-out prevention apparatus, when making the seesaw member of a 1st latching mechanism in a fixed state, when it makes a lock release state from a locked state.

  Embodiments of the pop-out prevention device according to the present invention will be described below with reference to the drawings.

  1 and 2 show the configuration of a pop-out prevention device 100 according to an embodiment of the present invention. However, FIG. 1 shows a state in which the pop-out prevention device 100 is locked when the drawer 2 moves in the drawer direction.

  As shown in FIGS. 1 and 2, the pop-out prevention device 100 according to the present embodiment includes a first hooking mechanism 10 (corresponding to the first hooking means of the present invention) attached to the side plate 2 a of the drawer 2. And a second latching mechanism 20 (corresponding to the second latching means of the present invention) attached to the side plate 1a of the frame 1 of the cabinet. The pop-out prevention device 100 is disposed between the side plate 1 a of the frame 1 and the side plate 2 a of the drawer 2. A slide rail 2b is provided between the side plate 1a of the frame body 1 and the side plate 2a of the drawer 2. Therefore, there is a gap and there is a space in which the pop-out prevention device 100 can be mounted. In the present embodiment, the first latching mechanism 10 is attached to the outer surface of the side plate 2 a of the drawer 2, and the second latching mechanism 20 is attached to the inner surface of the side plate 1 a of the frame 1. Further, the second hooking mechanism 20 also functions as a detection sensor that detects shaking of the frame body 1 due to an earthquake or the like.

  The first hooking mechanism 10 includes a seesaw member 11, a shaft 12 formed integrally with the seesaw member 11, a stopper 13, a case body 14, and a cover 15.

  The seesaw member 11 has a first hooking portion 11a at one end and an action portion 11b that projects the first hooking portion 11a to a lockable position at the other end. Projections 11d projecting downward are formed at positions closer to the tip side (first latching section 11a side) from the center of the seesaw member 11, and short cylindrical shafts projecting on both side surfaces of the projecting section 11d. 12 is provided, and the shaft 12 is engaged with the shaft holes 14 c and 15 a of the case main body 14 and the cover 15. Thus, the seesaw member 11 is mounted so as to freely rotate about the shaft 12. Moreover, the 1st latching | locking part 11a is urged | biased in the protrusion position direction which can be locked. In the present embodiment, for example, the first latching portion 11a is urged to protrude to the protruding position by a rotational moment based on the weight G of the operating portion 11b that acts on the center of gravity of the operating portion 11b. Further, the first latching portion 11a includes a latching surface 11a ′ for latching with the second latching mechanism 20 side when the drawer 2 moves in the drawer direction, and when the drawer 2 moves in the reverse direction. It has an inclined surface 11a "that works so as not to be latched with the second latching mechanism 20 side. Between the first latching portion 11a of the seesaw member 11 and the shaft 12, a concave shape is seen from the side. A neck portion 11e is formed, and the neck portion 11e has a flat upper surface 11f so that the surface 11d 'on the neck portion 11e side in the vicinity of the shaft 12 in the projection 11d does not affect the rotation of the seesaw member 11. In addition, it is formed substantially perpendicular to the upper surface 11f of the neck portion 11e.

  Further, the seesaw member 11 is provided with an operation portion 11c for releasing the lock of the first hooking portion 11a. In this embodiment, this operation part 11c consists of one edge part of the action part 11b. As shown in FIGS. 1 and 3, the operation portion 11 c jumps out from the frame 1 when the drawer 2 is popped out and the first hooking portion 11 a is locked to the second hooking mechanism 20. Therefore, it can be operated by hand. The lock is released by lifting the operating portion 11c upward and rotating the seesaw member 11 about the shaft 12.

  The stopper 13 has knobs 13a having end faces formed on both sides of the stopper 13, and the knob 13a is engaged with the elongated hole 15b of the cover 15 and slid along the elongated hole 15b. The first latching portion 11a is forcibly restricted to the non-projecting position. That is, by the action of the action portion 11b of the first hooking portion 11a and the slide type stopper 13, the seesaw member 11 is moved to the movable state where the first hooking portion 11a protrudes and the first hooking portion 11a. Can be switched to a fixed state that does not protrude and is fixed in a horizontal position. When the stopper 13 does not operate and the first latching portion 11a is in the protruding position, the first latching portion 11a is used as the second latching mechanism 20 when the drawer 2 moves in the pulling direction. It can be hooked on the portion 21a. On the other hand, when the stopper 13 is actuated and the first latching portion 11a is in the non-projecting position, the first latching portion 11a moves to the second latching mechanism 20 when the drawer 2 moves in the pulling direction. 2 It does not latch on the latching part 21a. In this embodiment, the stopper 13 can be operated only when the side surface of the drawer 2 appears outside the frame body 1.

  The case main body 14 accommodates the seesaw member 11 and the stopper 13 described above in cooperation with the cover 15. The case main body 14 includes step portions 14a and 14a 'with which the seesaw member 11 abuts, and a slide space 14b in which the stopper 13 slides. The stepped portion 14a limits the clockwise rotation of the seesaw member 11, and the stepped portion 14a 'limits the rotation of the seesaw member 11 in the counterclockwise direction. A shaft hole 14 c that engages the shaft 12 of the seesaw member 11 is provided on the side wall of the case body 14. Further, the side wall of the case body 14 is provided with a long hole 14f for exposing and sliding the knob 13a of the stopper 13. A through hole 14d for a mounting screw is provided. The number of through holes 14d is arbitrarily determined as necessary. A cut step 14e is provided at an edge around the slide space 14b.

  The cover 15 covers one side of the case main body 14, and is provided with a shaft hole 15a with which the shaft 12 of the seesaw member 11 is engaged, and a long hole 15b for exposing and sliding the knob 13a of the stopper 13. It has been. Further, a mounting screw through hole 15c is provided at a position corresponding to the mounting screw through hole 14d. Further, a projection (not shown) is provided on the inner side of the cover 15 so as to be fitted into the cut step 14 e of the case body 14. The first hooking mechanism 10 is fixed on the outer surface of the side plate 2a of the drawer 2 with a screw W1.

  The second hooking mechanism 20 includes a rotatable seesaw-type hooking member 21 having a second hooking part 21a for hooking with the first hooking part 11a at one lower end thereof, and the seesaw-type hooking member 21. A shaft 22 formed integrally with the latching member 21, a rolling member 23 for rotating the seesaw-type latching member 21 around the shaft 22 when shaking occurs, a case body 24, And a cover 25.

  The seesaw type latching member 21 is formed with a second latching portion 21a that latches on the first latching portion 11a at one lower end portion, and the rolling member 23 is always supported and received at the other upper end portion. A member receiving portion 21b having an arc surface is formed. The seesaw type latching member 21 is further provided between the second latching part 21a and the rolling member receiving part 21b in the vicinity of the rolling member receiving part 21b and on both side surfaces of the seesaw type latching member 21. A projecting short cylindrical shaft 22 is provided. The shaft 22 is engaged with the shaft holes 24 c and 25 a of the case body 24 and the cover 25.

  The second latching portion 21 a of the seesaw type latching member 21 includes a non-latching surface 21 a ′ that does not latch with the first latching portion 11 a of the first latching mechanism 10, and the first latching portion of the first latching mechanism 10. It has a latching surface 21 a ″ for latching with the latching part 11 a. The second latching part 21 a side of the seesaw-type latching member 21 has a fan shape centered on the shaft 22. A second hooking portion 21a is provided at the lower end side of the fan-shaped outer peripheral portion, and a stopper portion 21c is provided at the upper end side, and the stopper portion 21c has a locking surface 21c ′ facing downward. The locking surface 21c ′ is in contact with a locking surface 24e ′ of a convex portion 24e that constitutes one edge of an opening 24a, which will be described later, of the case body 24, and the second latching portion 21a protrudes. It is configured to determine the amount (see FIG. 3).

  In the seesaw type latching member 21, when the shaft 22 is the reference point, the relationship between the weight N1 on the second latching portion 21a side, the weight N2 on the member receiving portion 21b side, and the weight N3 of the rolling member 23 is N1. ≧ N2 and N1 <N2 + N3.

  The rolling member 23 is a columnar weight having a predetermined weight N3. The rolling member 23 is normally supported and received on the member receiving portion 21b of the seesaw type latching member 21, so that the second latching portion 21a is locked only when the first latching portion 11a protrudes. Protrusions to possible first projecting positions. When swaying, the rolling member 23 rolls on the upper surface of the seesaw type retaining member 21. That is, when the drawer member 2 is shaken due to an earthquake or the like, the rolling member 23 moves from the position of the member receiving portion 21b on the upper surface of the seesaw-type latching member 21 in the fan-shaped outer peripheral direction, The seesaw-type latching member 21 is rotated by its own weight, and the second latching portion 21a is projected to a second projecting position that can be locked to the first latching portion 11a.

  The case main body 24 includes an opening 24a provided at a lower portion so that the second hooking portion 21a of the seesaw type hooking member 21 protrudes, and a storage space 24b for storing the seesaw type hooking member 21 and the pointed member 23. It has. A convex portion 24e having a locking surface 24e 'below is formed at one end edge of the opening 24a, and the other end edge is an arc surface a, a vertical surface b following it, a horizontal plane c following this, and Subsequently, a convex portion 24g having an inclined surface d is formed. The arcuate surface a supports and receives the rolling member 23 in cooperation with the member receiving portion 21 b of the seesaw type latching member 21. The vertical surface b has substantially the same height as the end surface of the member receiving portion 21 b of the seesaw type retaining member 21. The horizontal plane c is a surface that restricts the clockwise rotation of the seesaw type latching member 21 and has substantially the same length as the lower surface of the member receiving portion 21b of the seesaw type latching member 21. The inclined surface d is an escape portion when the seesaw type retaining member 21 is rotated in the counterclockwise direction. Further, a shaft hole 24 c with which the shaft 22 engages is provided on the side wall of the case body 24. Further, the case main body 24 is provided with a through hole 24d for a mounting screw. The number of through holes 24d is arbitrarily determined as necessary. A cut step 24f is provided at a part of the edge around the storage space 24b.

  The cover 25 covers one side of the case main body 24 and is provided with a shaft hole 25a with which the shaft 22 of the seesaw type retaining member 21 is engaged. Further, a mounting screw through hole 25b is provided at a position corresponding to the mounting screw through hole 24d. Further, a projection (not shown) is provided on the inner side of the cover 25 so as to be fitted into the cut step 24 f of the case body 24. The second hooking mechanism 20 is fixed on the inner surface of the side plate 1a of the frame body 1 with screws W2.

  FIG. 3 shows two rotation positions (that is, a rotatable range) of the seesaw member 11 of the first hooking mechanism 10 and the seesaw-type hooking member 21 of the second hooking mechanism 20. However, in FIG. 3, the cover 15 of the first hooking mechanism 10 and the cover 25 of the second hooking mechanism 20 are removed.

  As shown in FIG. 3, the seesaw member 11 of the first latching mechanism 10 has a shaft 12 from a protruding position (solid line) normally urged to this position by its own weight to a non-protruding position (two-dot broken line). It is possible to turn around. On the other hand, the seesaw-type latching member 21 of the second latching mechanism 20 rotates around the shaft 22 from the first projecting position (solid line), which is a normal position, to the second projecting position (two-dot broken line). Is possible.

  When the seesaw type latching member 21 is in the first projecting position (solid line), if the first latching part 11a of the seesaw member 11 is in the projecting position (solid line), that is, when it is moved, The first hook portion 11a and the second hook portion 21a can be hooked. When latching, the latching surface 11a ′ of the first latching portion 11a and the latching surface 21a ″ of the second latching portion 21a are in contact with each other and latched. It is possible to prevent the drawer from popping out due to the operation.On the other hand, when the frame 1 is shaken due to an earthquake or the like, the second hooking portion 21a of the seesaw type hooking member 21 is moved to the second protruding position (two points). Even if the seesaw member 11 is locked by the stopper 13 and the first latching portion 11a is restricted to the non-projecting position (two-dot broken line), that is, even if it is fixed, The first latching portion 11a and the second latching portion 21a can be latched to prevent the drawer from popping out due to shaking such as an earthquake.

  When the seesaw member 11 is restricted to the non-projecting position (two-dot broken line), that is, when the seesaw member 11 is locked and fixed by the stopper 13, the seesaw member 11 is pulled out unless the frame body 1 is shaken by an earthquake or the like. 2 can be opened and closed arbitrarily without being locked.

  Next, the operation state of the pop-out prevention device 100 of the present embodiment will be specifically described with reference to FIGS. However, these drawings are schematic views, and are shown with the cover 15 of the first latching mechanism 10 and the cover 25 of the second latching mechanism 20 removed.

  FIG. 4 shows the operation of the pop-out prevention device 100 when the drawer 2 is closed when the seesaw member 11 of the first hooking mechanism 10 is in a movable state. That is, in FIG. 4, since the stopper 13 is not operated and the first latching portion 11a is not forcibly restricted to the non-projecting position, the seesaw member 11 is in a movable state and the first latching portion 11a is It is biased by its own weight and is in the protruding position. FIG. 4A shows the state of the pop-out prevention device 100 when the drawer 2 moves from the fully open state to the closing direction, and FIG. 4B shows the state of the pop-out prevention device 100 when the drawer 2 is closed. FIG. 4C shows the state of the pop-out prevention device 100 when the drawer 2 is in the fully closed state.

  As shown in FIG. 4A, the first latching portion 11a protrudes to the protruding position by the urging action of the seesaw member 11 due to its own weight. In this state, when the drawer 2 is moved from the fully opened position in the closing direction (arrow direction), the end surface of the first hooking portion 11a and the inclined surface 11a ″ are the non-holding surface that is the outer peripheral surface of the second hooking portion 21a. The inclined surface 11a ″ advances while sliding on the non-latching surface 21a ′. Thereby, since the 1st latching | locking part 11a is pushed below, the seesaw member 11 rotates clockwise, and finally the 1st latching | locking part 11a passes under the 2nd latching | locking part 21a. It becomes.

  As shown in FIG. 4B, when the first hooking portion 11a finishes passing under the second hooking portion 21a, the seesaw member 11 rotates counterclockwise, and the first hooking portion 11a. Advances to a position where the second hooking portion 21a is hooked. In this case, the latching surface 11a 'of the first latching portion 11a and the latching surface 21a "of the second latching portion 21a are in contact with each other.

  When the drawer 2 is in the fully closed position, as shown in FIG. 4C, the upper surface of the seesaw member 11 is pushed by the second hooking portion 21a, and the seesaw member 11 is in a horizontal state. When the drawer 2 is in the fully closed position, the seesaw member 11 may be configured such that the first hooking portion 11a protrudes to the protruding position by the urging action due to its own weight.

  FIG. 5 shows an operating state of the pop-out prevention device 100 when the drawer 2 is opened when the seesaw member 11 of the first latching mechanism 10 is in a movable state. That is, in FIG. 5, since the stopper 13 is not actuated and the first latching portion 11a is not forcibly restricted to the non-projecting position, the seesaw member 11 is in a movable state and the first latching portion 11a is It is biased by its own weight and is in the protruding position. FIG. 5A shows a state where the drawer 2 is locked, and FIG. 5B shows a state of the pop-out prevention device 100 when the drawer 2 is unlocked manually. c) shows the state of the pop-out prevention device 100 when the drawer 2 is in the fully open position.

  When the stopper 13 is not actuated in this way and the seesaw member 11 is in a movable state, the seesaw member 11 is in a state of being rotated by an urging action due to its own weight. If the drawer 2 tries to open the drawer 2 without permission, as shown in FIG. 5A, when the drawer 2 moves in the drawer direction, the first latching portion 11a abuts on the second latching portion 21a and is locked. Is done. This prevents the drawer 2 from popping out.

  To unlock the drawer 2 in this state, as shown in FIG. 5 (b), the operation unit 11c is moved upward (that is, in the direction of arrow A) by hand from the side of the drawer 2 or from the front side of the frame. When the action portion 11b of the seesaw member 11 is turned up, the first hooking portion 11a is brought into the non-projecting position, and the lock is released.

  When the drawer 2 is further moved in the drawing direction (arrow direction) in this state, as shown in FIG. 5C, the first hooking portion 11a passes under the second hooking portion 21a and the drawer 2 is moved. Becomes fully open. When the first hooking portion 11a passes below the second hooking portion 21a and then is released from the operation portion 11c, the seesaw member 11 is rotated by its own weight, and the first hooking portion 11a is Return to the protruding position. Further, when the drawer 2 is in the fully open state, the knob 13a of the stopper 13 is exposed to the outside of the frame 1, and the knob 13a is operated from the side surface of the drawer 2 to operate the stopper 13 ( The state in which the first hooking portion 11a is forcibly restricted to the non-projecting position, the seesaw member 11 is fixed), and the state in which the first hooking portion 11a is not operated (the first hooking portion 11a is forcibly restricted to the non-projecting position). The seesaw member 11 can be slid to the movable state).

  FIG. 6 shows the state of the pop-out prevention device 100 when the drawer is moved in the pull-out direction when the seesaw member 11 of the first latching mechanism 10 is in a fixed state. That is, in FIG. 6, the stopper 13 is operating and the first hooking portion 11a is forcibly restricted to the non-projecting position. FIG. 6A shows a state in which the drawer 2 is closed, and FIG. 6B shows a state of the pop-out prevention device 100 when the drawer 2 is opened.

  As shown in FIG. 6 (a), when the stopper 13 is slid to the left and operated, the seesaw member 11 is fixed at the horizontal position because the lower surface of the action portion 11b abuts on the upper surface of the stopper 13. It will be in the state. In this case, the first hooking portion 11a of the seesaw member 11 and the second hooking portion 21a of the seesaw type hooking member 21 are not engaged with each other and are not hooked.

  As shown in FIG. 6B, even when the drawer 2 is opened, the seesaw member 11 is fixed in the horizontal position, so the first hooking portion 11a of the seesaw member 11 and the seesaw-type hooking member. 21 are not engaged with each other and are not engaged. Therefore, even if the drawer 2 is moved in the drawing direction (arrow direction), the drawer 2 is not locked, and a drawer operation similar to a normal drawer (without the pop-out prevention device 100) is performed.

  FIG. 7 shows an operation state of the pop-out prevention device 100 when the drawer 2 moves in the pulling direction due to shaking such as an earthquake when the seesaw member 11 of the first hooking mechanism 10 is in a fixed state. That is, in FIG. 7, the stopper 13 is operating and the first hooking portion 11a is forcibly restricted to the non-projecting position. FIG. 7A shows a state of the pop-out prevention device 100 when a shake such as an earthquake occurs when the drawer 2 is closed, and FIG. 7B shows that the drawer 2 is locked in this case. The state of the pop-out prevention device 100 is shown.

  As shown in FIG. 7A, when the stopper 13 is slid to the left and operated, the seesaw member 11 is fixed at a horizontal position because the lower surface of the action portion 11b abuts the upper surface of the stopper 13. It will be in the state. In this state, when the frame body 1 is shaken due to an earthquake or the like, the rolling member 23 rolls on the upper surface of the seesaw type retaining member 21 from the member receiving portion 21b that is always supported and received in the direction of the stopper portion 21c. Moving.

  Thereby, the seesaw type latching member 21 rotates by the dead weight of the rolling member 23, and the 2nd latching | locking part 21a protrudes to the 2nd protrusion position which can always be locked to the 1st latching | locking part 11a. As a result, as shown in FIG. 7B, even if the drawer 2 is about to pop out due to the shaking of the frame body 1 due to an earthquake or the like, the hooking surface 21a ″ of the second hooking portion 21a and the first hooking portion 11a The latching surfaces 11a 'come into contact with each other and latch, and the first latching portion 11a of the seesaw member 11 is locked, and the drawer 2 can be prevented from popping out.

  That is, even when the seesaw member 11 is fixed in the horizontal position by operating the stopper 13, if the frame body 1 is shaken due to an earthquake or the like, the lock is performed by the function of the earthquake-resistant latch of the pop-out prevention device 100. It is possible to prevent the drawer 2 from popping out.

  FIG. 8 shows the operation state of the pop-out prevention device 100 when the seesaw member 11 of the first hooking mechanism 10 is in the fixed state and when the lock state is released from the locked state by the earthquake-resistant latch function. FIG. 8A shows a state of the pop-out prevention device 100 when the drawer 2 is locked when the frame 1 is shaken due to an earthquake or the like, and FIG. 8B is a direction in which the drawer 2 is closed. FIG. 8C shows the state of the pop-out preventing device 100 in which the drawer 2 is completely closed and unlocked.

  As shown in FIG. 8 (a), in the state where the seesaw member 11 is fixed in the horizontal position and the drawer 2 is locked by the earthquake-resistant latch function due to the shaking of the frame body 1 due to an earthquake or the like, the rolling is performed. The member 23 is moved from the member receiving portion 21b toward the stopper portion 21c, and the second hooking portion 21a of the seesaw type hooking member 21 is hooked with the first hooking portion 11a and is in a locked state. However, in this case, the drawer 2 is partially open and is not fully closed.

  When the drawer 2 is moved in the closing direction (in the direction of the arrow) as shown in FIG. 8B from the locked state by the earthquake-resistant latch function, the non-latching surface 21a ′ of the second latching portion 21a becomes the seesaw. The member is pushed up by the seesaw member 11 by abutting against the slope portion of the member 11 and sliding on the slope portion.

  From this state, as shown in FIG. 8 (c), when the drawer 2 is fully closed, the second hooking portion 21a is positioned above the seesaw member 11, and the rolling member 23 is in its original position (member receiving portion). 21b), the second latching portion 21a becomes the non-projecting position, and the lock by the earthquake-resistant latch function is released.

  As described above, according to the present embodiment, only when the drawer 2 moves in the drawer direction, the first latching section 10 and the second latching section 20 latch and the drawer 2 is locked. . For this reason, it is possible to prevent the drawer 2 from popping out and being injured by an artificial drawer operation in daily life, for example, when a small child opens it without permission. Further, even a drawer having an iron side plate can be attached.

  Furthermore, since the operation part 11c for rotating the action part 11b of the seesaw member 11 with fingers and releasing the lock is provided, the lock can be easily released.

  Furthermore, since the first hooking mechanism 10 has a stopper 13 that forcibly restricts the first hooking portion 11a of the seesaw member 11 to the non-projecting position, the stopper 13 is operated to pop out the drawer 2. The lock and unlock can be arbitrarily and easily selected.

  In addition, since the first latching portion 11a is biased to the projecting position where the first latching portion 11a can be locked by its own weight, the number of parts is reduced and the configuration is simplified.

  Furthermore, even when the operation of the seesaw member 11 is stopped by operating the stopper 13, if the frame body 1 is shaken due to an earthquake or the like, it is locked by the function of the earthquake-resistant latch of the pop-out prevention device 100. Thus, the drawer 2 can be prevented from popping out.

  In the above-described embodiment, the first hooking mechanism 10 is mounted on the outer surface of the side plate 2a of the drawer 2, and the second hooking mechanism 20 is mounted on the inner surface of the side plate 1a of the frame body 1. However, the present invention is not limited to this. For example, the first latching mechanism 10 may be mounted on the inner surface of the side plate 1a of the frame 1 and the second latching mechanism 20 may be mounted on the outer surface of the side plate 2a of the drawer 2. In this case, when releasing the lock, a finger is inserted between the side plate 1 a of the frame 1 and the side plate 2 a of the drawer 2, the operation portion 11 c of the seesaw member 11 is operated, and the seesaw member 11 is rotated. Alternatively, the operation unit 11 c may be exposed from the front surface of the frame body 1 and the operation unit 11 c may be operated from the front surface of the frame body 1.

  Further, in the above-described embodiment, the configuration in which the first latching portion is urged by its own weight so as to be a lockable protruding position has been described, but the present invention is not limited to this. For example, an urging member such as a spring may be provided. In this case, the urging force can be arbitrarily set according to the characteristics of the urging member.

  Furthermore, in the above-described embodiment, the rolling member 23 has a cylindrical shape, but the present invention is not limited to this. For example, a spherical rolling member may be used.

  Furthermore, in the above-described embodiment, the seesaw member 11 rotates with respect to the stationary seesaw type retaining member 21 so that the seesaw member 11 can be locked. Although it has been described that the locking can be achieved by rotating the locking member 21, it is of course possible to lock even when the seesaw member 11 and the seesaw type locking member 21 are rotating. .

  Furthermore, in the above-described embodiment, the example in which the pop-out prevention device 100 is attached to one side of the drawer 2 has been described, but of course, it may be attached to both sides of the drawer 2. In this case, the drawer 2 can be more reliably prevented from popping out.

  INDUSTRIAL APPLICABILITY The present invention can be used for the purpose of preventing the drawer of furniture and the like from popping out due to an artificial operation and popping out due to shaking such as an earthquake and improving safety.

DESCRIPTION OF SYMBOLS 1 Frame 1a, 2a Side plate 2 Drawer 2b Slide rail 10 1st latching mechanism 11 Seesaw member 11a 1st latching part 11b Action part 11c Operation part 11d Protrusion part 12, 22 Shaft 13 Stopper 13a Knob 14, 24 Case main body 14a , 14a 'Stepped portion 14b Slide space 14c, 15a, 24c, 25a Shaft hole 14d, 15c, 24d, 25b Through hole 14e, 24f Cutting step 14f, 15b Long hole 15, 25 Cover 20 Second latch mechanism 21 Seesaw type hook Stopping member 21a Second hooking portion 21b Member receiving portion 21c Stopper portion 23 Rolling member 24a Opening 24b Storage space 24e, 24g Protruding portion 100 Pop-out prevention device W1, W2 Screw

Claims (5)

In the pop-out prevention device that is arranged between the frame and the drawer to prevent the drawer from popping out,
It is attached to one of the frame and the drawer, and has a first latching portion at one end and an action portion that projects the first latching portion to a lockable position at the other end. A first hooking means having a seesaw member, and a first hooking means that is attached to either the frame or the drawer and that can hook the first hooking portion only when the drawer moves in the pulling direction. Second latching means having two latching portions,
The seesaw member is biased so as to protrude to a protruding position where the first latching portion can be locked ;
The second hooking means is a rotatable seesaw type hooking member having the second hooking part hooked on the first hooking part at one end, and rotates the seesaw type hooking member. An operation member for selectively projecting the second latching portion to a first projecting position and a second projecting position projecting from the first projecting position;
The actuating member is configured to roll when the frame body shakes due to an earthquake or the like, and to project the second latching portion to the second projecting position. Pop-out prevention device.   The pop-out prevention device according to claim 1, wherein an operation portion is provided on the side surface of the drawer or by rotating the action portion of the seesaw member by hand from the front side of the frame body to release the lock. . The first hooking means includes a stopper for forcibly restricting the first hooking portion of the seesaw member to a non-projecting position;
When the first latching portion of the seesaw member is in the non-projecting position, the first latching portion is configured not to latch on the second latching portion in the first projecting position . The pop-out preventing device according to claim 1 or 2.   The said seesaw member is comprised so that the said 1st latching | locking part may protrude in a protrusion position with the dead weight which acts on the gravity center of the said action part, The any one of Claim 1 to 3 characterized by the above-mentioned. Pop-out prevention device.   The said 1st latching means is equipped with the elastic biasing member which urges | biases so that the said 1st latching part of the said seesaw member may protrude to a protrusion position, Any one of Claim 1 to 3 characterized by the above-mentioned. The pop-out prevention device according to claim 1.

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