JP3686140B2 - Safety locking device for jumping door in cabinet - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a safety locking device for a raising door in a cabinet provided with a raising door that covers the front surface of a plurality of drawers.
[0002]
[Prior art]
Conventionally, a plurality of drawers stored in the cabinet body so as to be able to be taken in and out, a flip-up door that covers the front of each drawer and is provided so that it can be stored in the cabinet body when opened, and when any one drawer is pulled out A safety locking mechanism for locking the remaining drawer in the storage position, and a lock lever for locking the flip-up door in the drawer closed position, and the lock lever is urged in the door locking direction by a spring member. The safety locking mechanism has an operating rod vertically arranged on the cabinet body so as to be movable up and down, and the operating rod moves the lock lever to the door when moving in a direction to release the lock of the drawer. The lock lever is engaged with the lock lever so that the lock lever can move between the door lock position and the door release position when the drawer is in a position to lock the drawer in the storage position. Before The cabinet body is provided with an operation restricting member for engaging the lock lever at the door engaging position, and the operation restricting member is biased to the lever engaging position by a spring member, and A cabinet arranged so that the jump door is moved to the lever release position by the jump door when it reaches the drawer closed position from the released position (Japanese Patent Application No. Hei 7 No. -120886).
[0003]
[Problems to be solved by the invention]
However, in the conventional safety mechanism for the raising door, a pin is protruded from a resin mounting member fixed (for example, screwed) to the side wall of the cabinet body. The central part is pivotally supported so as to be rotatable. One end (left side) of the lock lever is formed with a claw portion that can be engaged with a receiving hole formed in the inner wall of the flip-up door, and the other end (right side) constitutes the safety locking mechanism. A bent portion that engages with an engagement hole formed in the operating rod is formed. Since the engaging hole of the operating rod is a long hole in the vertical direction, when the operating rod is in the drawer lock position, the bent part of the lock lever can be moved up and down within the engaging hole, thereby locking The lever is movable between a door locking position and a door release position. The lower end of the bent portion of the lock lever is engaged with the upper end of the coil spring whose lower end is engaged with the operating rod, and the claw portion of the lock lever engages with the receiving hole of the jumping door. Energizing force (clockwise turning force) is applied.
[0004]
Further, the upper left portion of the mounting member is formed with a protruding piece formed at the upper end and bent toward the door side, and the lower end of the operation regulating member formed with a hanging piece that can be engaged with and disengaged from the upper step portion of the lock lever. The center part is supported so that rotation is possible. The operation restricting member is provided with a torsion spring that applies a biasing force (counterclockwise turning force) so that the protruding piece protrudes forward and the hanging piece engages with the lock lever. Then, the hanging piece of the operation restricting member is engaged with the lock lever. However, since it is released from the lock lever in some time and the door cannot be closed, the door locking portion is deformed. In addition, the lower left part of the mounting member is provided with a magnet that attracts the flip-up door. As a result, the structure is complicated and difficult to manufacture, resulting in increased costs and a larger mounting space. There was a problem that there was.
[0005]
In view of these circumstances, the present invention avoids the conventional complicated configuration and engages / disengages the lock lever with the operation restricting member against the urging force of the elastic spring piece by the movement of the engaging / disengaging member provided on the operating rod. In addition, even if the jumping door is accidentally closed, the shape of the tip part that first collides with the lock lever is inclined, so that it is inserted while copying and the door locking part is not deformed. An object of the present invention is to provide a safety locking device for a raising door in a simple cabinet.
[0006]
[Means for Solving the Problems]
In order to solve the above problems, the present invention employs the following technical means. In the first aspect of the present invention, a plurality of drawers 4 accommodated in the cabinet body 2 so as to be able to be put in and taken out, and the jumpers provided so as to cover the front surface of each drawer 4 and be accommodated in the cabinet body 2 when opened. When the door 3 and one or more jumper doors 3 are opened and any one of the drawers 4 is pulled out, a lock member that locks all the other drawers 4 and the safety member of the jumper door 3 The safety locking device 12 has a lock lever 7 that locks the jumping door 3 by pulling out any one of the drawers 4 and faces the lock lever 7. Is provided with an operation restricting member 8 fixed to the side reinforcing plate 44 of the cabinet body 2, and the operation restricting member 8 is assembled and engaged with the lock lever 7 so as to be always urged in the opening direction by the elastic spring piece 9. The locking mechanism of the safety locking device 12 Disengagement member 46 to one end engaging the over 7, wherein fixed to the operating rod 13 which is vertically movable Tate設the cabinet body 2, wherein the side of each drawer 4, the engaging pin 16 is butt Corresponding to each engaging pin 16, the operating rod 13 is provided with a pin guide 17 capable of contacting the engaging pin 16, and the operating rod 13 pulls out one of the drawers 4. The operating rod 13 is lowered by the pin guide 17 having the inclined groove provided in the operating rod 13 and the engaging pin 16, and the lock lever 7 is moved by the engagement / disengagement member 46 attached to the operating rod 13. The triangular protrusion 38 formed at the end is pushed, the lock lever 7 rotates around the engaging pin 10, and the inner bent piece 41 of the jumping door is formed at one end of the lock lever 7. The locking piece 37 and the protruding piece 42 of the operation restricting member 8 Engaging locks, moves in a direction in which the lock lever 7 is engaged with the actuating regulating member 8, was employed technical means that have to be able to lock the other drive-up door 3.
[0007]
In the invention described in claim 2, the technical means of adopting an inclined portion so that the door can be inserted while following the shape of the lock lever tip of the invention described in claim 1 is adopted.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The present invention relates to a plurality of drawers that are stored in a cabinet body so as to be able to be put in and out, a flip-up door that covers the front surface of each drawer, and that can be stored in the cabinet body when opened, and at least one jump-up door And when any one of the drawers is pulled out, it comprises a locking member that locks in a closed position that prevents all other drawers from being pulled out, and a safety locking device for the jump door, The safety locking device includes a lock lever that locks the flip-up door by pulling out one of the drawers, and an operation restricting member that has an elastic spring piece that is cut and raised integrally with a substantially middle portion. An engagement / disengagement member that engages and engages with one end of the lock lever of the safety locking device by assembling and engaging the operation restricting member so as to be always urged in the opening direction by the elastic spring piece so as to face the lock lever. The cabinet book The operating rod is fixed to a vertical operating rod that can be moved up and down. When one of the drawers is pulled out, the operating rod is operated by the operation of a pin guide having an inclined groove provided in the operating rod and an engaging pin. Other drawers with the heel lowered and the raising door open cannot be pulled out by the pin guide and the engaging pin.
[0009]
Further, the step of the engaging / disengaging member provided on the operating rod moves the locking lever in a direction to be locked to the operation restricting member against the elastic spring piece, and the jumping door is closed. The raising door is a safety locking device for the raising door in the cabinet that is locked so that it cannot be opened. Also, when the lifting door that is opened when the drawer is pulled out closes in any moment, the jumping door will follow the shape of the tip of the locking lever that first touches the locking lever. The safety stop device is tilted so that the front end of the door is inserted.
[0010]
【Example】
Further, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 is a perspective view showing an embodiment of a flip-up door cabinet according to the present invention, FIG. 2 is a longitudinal sectional view of the embodiment, and the cabinet 1 has a cabinet body 2 whose front is opened, In the cabinet body 2, a plurality of drawers 4 (three stages are shown in the present embodiment) whose front surfaces are opened are housed so as to be drawable. Further, the raising door 3 for closing the front surface of the drawer 4 can be stored in a storage section 6 provided in the main body 2 corresponding to each drawer 4, and is pulled out to the outside of the storage section 6. And by rotating downward, the front surface of each drawer 4 can be covered.
[0011]
3 is a front view showing a relationship with the lock provided with the safety locking device of the present embodiment, FIG. 4 is an exploded perspective view of a main part of the safety locking device, and FIG. 5 is a cross-sectional view taken along line AA in FIG. Yes, on one side (left side in the figure) of the drawer 4, an operating rod 13 having a safety locking device 12 is vertically arranged inside the cabinet body 2 of the cabinet 1 so as to be movable up and down. As shown in FIG. 4, an elastic plastic engagement piece 14 is provided at the upper end of the operating rod 13, and the engaging piece 14 is engaged above the operating rod 13 in the cabinet body 2. The catch member 15 which can be matched is provided.
[0012]
Engagement pins 16 protrude from the left side of each drawer 4, and three pin guides 17 that can come into contact with the engagement pins 16 are provided on the operating rod 13 corresponding to the engagement pins 16. It has been. Each pin guide 17 is formed with an inclined groove 17a for allowing the engagement pin 16 to pass therethrough and is open to the side of the drawer 4. Each inclined groove 17a is a corresponding engagement pin when the operating rod 13 is in the upper and lower end positions. 16 extends from the lower rear end of the pin guide 17 toward the upper front end so that it can pass through the inclined groove 17a. Therefore, when the operating rod 13 is in the upper end position, the engaging pin 16 can pass through the inclined groove 17a of the pin guide 17, so that any one of the drawers 4 can be pulled out from the cabinet body 2.
[0013]
Further, when any of the drawers 4 is pulled out, the engaging pin 16 acts on the pin guide 17 to push down the operating rod 13 when passing through the inclined groove 17a of the pin guide 17 from the rear to the front. When the operating rod 13 is pushed down to the lower end position, the other pin guides 17 come into contact with the engaging pins 16 of the corresponding drawers 4, so that the remaining drawers 4 are safely locked at the storage positions. It will be.
[0014]
The catch member 15 serves to hold the operating rod 13 in the upper end position by engaging with the engagement piece 14 of the operating rod 13 when the operating rod 13 is in the upper end position. The member 15 may be fixed in the cabinet body 2, but in this embodiment, the catch member 15 cooperates with the operating rod 13 and a locking mechanism 21 described later to lock all the drawers 4 in the storage position. The locking operation is also performed.
[0015]
That is, the catch member 15 can move up and down between a position holding the operating rod 13 at the upper end position and a position holding the operating rod 13 at the lower end position. When the catch member 15 is at the lower end position, the operating rod 13 is moved. Is held at the lower end position, so that all the drawers 4 cannot be pulled out.
[0016]
The locking mechanism 21 is fixed to a key insertion part 22, a key bar 23 that is rotated in conjunction with the forward / reverse operation of the key insertion part 22 by a key operation, and one end (left side) of the key bar 23. A tip end engages with the catch member 15, and has a catch member operating lever 24 that moves the catch member 15 up and down by the rotation of the key rod 23.
[0017]
As shown in FIGS. 3 and 4, the catch member 15 holds a catch piece 18 known per se having an engagement hole for snap-in fitting the engagement piece 14 of the operating rod 13, and the catch piece 18. An engagement hole 19 a is formed in the upper end portion of the catch mounting plate 19 for engaging with a pin 25 fixed to the tip of the catch member operating lever 24.
[0018]
In this embodiment, the operating rod 13 has a substantially U-shaped cross section, and a plastic slide guide 20 slidably engaged with the concave inner surface of the operating rod 13 is provided at the lower end of the catch mounting plate 19. It is attached. The slide guide 20 plays a role of preventing the generation of noise by smoothly moving the operating rod 13 or the catch mounting plate 19 relative to each other when the operating rod 13 or the catch mounting plate 19 is moved up and down.
[0019]
As shown in FIGS. 3 and 4, in this embodiment, the locking mechanism 21 is further provided with an operating rod 26 vertically disposed on the right inner side of the cabinet body 2 so as to oppose the operating rod 13 and the key. It has a key operating lever 27 that is fixed to the other end (right side) of the rod 23, the tip engages with the operating rod 26, and moves the operating rod 26 up and down in response to the rotation of the key rod 23.
[0020]
Further, a locking pin 28 protrudes from the right side surface of each drawer 4, and three stoppers 29 that can come into contact with the locking pin 28 on the operating rod 26 corresponding to each locking pin 28. Is provided. The locking pin 28 of each drawer 4 is in a position where it can pass under the corresponding stopper 29 when the operating rod 26 is in the upper end position of the vertical movement section, and when the operating rod 26 is in the lower end position, the stopper 29 It is in the position which contacts the rear end.
[0021]
Here, the operating rod 13 and the operating rod 26 are arranged in a balanced manner on the one side and the other side of the drawer 4 in a substantially bilaterally symmetrical manner, and the key insertion portion 22 is substantially at the center of the front upper portion of the cabinet body 2. Is arranged. The key bar 23 is a square bar and extends substantially horizontally from the vicinity of the upper end portion of the operating rod 26 to the vicinity of the upper end portion of the catch member 15. The key insertion part 22 is connected via a pin 31.
[0022]
As shown in FIG. 5, the key actuating tool 30 is rotatably held by a key attachment case 32 fixed to the folded portion 5 a of the upper wall plate 5 of the cabinet body 2 by a hook portion 33 and a screw 34. . As shown in FIGS. 3 and 4, the catch member operating lever 24 and the key operating lever 27 can be rotated by guides 35 and 36 fitted to the folded portion 5a of the upper wall plate 5 of the cabinet body 2, respectively. It is supported by.
[0023]
FIG. 6 is an exploded perspective view showing an essential part of the safety locking device for the raising door in the cabinet according to the embodiment of the present invention. FIG. FIG. 8 is a cross-sectional view of the main part showing a state in which the flip-up door is opened, and FIG. 9 is a cross-sectional view of the main part showing a state in which the pop-up door is closed and locked. FIG. 10 is a side view of a main part showing a relation between the lock lever and the engagement / disengagement member in a state where the raising door can be opened, and FIG. It is a principal part side view which shows the related state.
[0024]
Hereinafter, a specific embodiment of the safety locking device of the present invention will be described in detail.
A plurality of drawers 4 accommodated in the cabinet body 2 so as to be able to be taken in and out, a flip-up door 3 that covers the front surface of each drawer 4 and that can be stored in the cabinet body 2 when opened, and one or more jumpers When the door 3 is opened and any one of the drawers 4 is pulled out, a lock member that locks in the closed position that prevents all other drawers 4 from being pulled out, The safety locking device 12 is configured to lock the jumping door in a closed state by pulling out the drawer 4, and the engagement pin 16 is attached to the left side surface of each drawer 4. And three pin guides 17 that can come into contact with the engaging pins 16 are provided on the operating rod 13 corresponding to the respective engaging pins 16. The operating lever 13, the engaging pin 16, and the pin guide 17 provide a lock lever 7 and an operation restricting member 8 that are operated in a locked state.
[0025]
Each pin guide 17 is formed with an inclined groove 17a for allowing the engagement pin 16 to pass therethrough and is open to the side of the drawer 4. Each inclined groove 17a is a corresponding engagement pin when the operating rod 13 is in the upper and lower end positions. 16 extends from the lower rear end of the pin guide 17 toward the upper front end so that it can pass through the inclined groove 17a. Therefore, when the operating rod 13 is in the upper end position, the engaging pin 16 can pass through the inclined groove 17a of the pin guide 17, so that any one of the drawers 4 can be pulled out from the cabinet body 2.
[0026]
Further, when any of the drawers 4 is pulled out, the engaging pin 16 acts on the pin guide 17 to push down the operating rod 13 when passing through the inclined groove 17a of the pin guide 17 from the rear to the front. When the operating rod 13 is pushed down to the lower end position, the other pin guides 17 come into contact with the engaging pins 16 of the corresponding drawers 4, so that the remaining drawers 4 are safely locked at the storage positions. It will be.
[0027]
When the operating rod 13 in this state is pushed down to the lower end position, the engaging / disengaging member 46 fixed to the operating rod 13 is in the state shown in FIG. The formed triangular protrusion 38 is pushed, the lock lever 7 rotates around the engaging pin 10, and the inner bent piece 41 of the jumping door is formed in a scanning shape formed at one end of the lock lever 7. It can be locked with the substantially L-shaped locking piece 37 having the inclined portion and the protruding piece 42 of the operation restricting member 8.
[0028]
It is provided with a lock lever 7 to be engaged and an operation regulating member 8 so as to face the lock lever 7. The elastic spring piece 9 formed integrally with the operation restricting member 8 is urged in the opening direction so that the flip-up door 3 can always be opened (see FIG. 8). As can be seen from the exploded perspective view shown in FIG. 6, the lock lever 7 and the operation restricting member 8 are assembled and engaged by the engagement pin 10 and the push nut 11.
[0029]
The safety locking device 12 engages with an operating rod 13 that is vertically provided on the cabinet body 2 so as to be vertically movable. The safety locking device 12 will be described in more detail. The lock lever 7 is substantially L-shaped with a copy-like inclined portion at one end so that when the door is accidentally closed, the front end of the door can be inserted while copying. A triangular locking piece 37 and a triangular protrusion 38 are integrally formed at the other end. Further, a projecting engagement piece 40 having a locking hole 39 formed vertically is provided in the vicinity of the triangular projecting portion 38 at the other end.
[0030]
Next, the operation restricting member 8 includes a projecting piece 42 configured to sandwich the inner bent piece 41 of the jumping door with a substantially L-shaped locking piece 37 having an inclined portion of the lock lever 7 at one end, and the like. A protruding engagement piece 40 ′ is formed above and below the end so as to correspond to the protruding engagement piece 40 of the lock lever 7, and the protruding engagement piece 40 ′ is formed on the protruding engagement piece 40 of the lock lever 7. A locking hole 39 ′ is drilled so as to correspond to the drilled locking hole 39. A cut-and-raft integral elastic spring piece 9 is formed substantially in the middle.
[0031]
The operation restricting member 8 is locked and fixed to the appropriate portion of the reinforcing plate 44 of the side wall 43 of the cabinet body 2 by a locking tool 45. A lock lever 7 is assembled to the fixed operation restricting member 8 as can be understood from the exploded perspective view shown in FIG. 6, and the assembly is rotatably assembled by the engagement pin 10 and the push nut 11. One end of the engagement / disengagement member 46 that engages with the lock lever 7 of the safety locking device 12 is fixed to the cabinet body 2 with an operating rod 13 that is vertically movable and fixed to the cabinet body 2. The engaging / disengaging member 46 is provided with a stepped portion.
[0032]
Further, when the operating rod 13 is not locked by the locking mechanism, the engagement / disengagement member 46 moves in a direction to release the locking of the flip-up door 3, and the lock lever 7 is released from the operation regulating member 8, When the entire raising door 3 is moved to a position where it can be opened and any one of the drawers 4 is pulled out, the operating rod 13 is lowered by the operation of the engaging pin 16 and the pin guide 17 and fixed to the operating rod 13. Since the engagement / disengagement member 46 is also lowered, the protruding step portion of the engagement / disengagement member 46 is rotated about the engagement pin 10 against the elastic spring piece 9, and the operation restricting member 8 is moved. All the other drawers 4 of one drawer 4 pulled out are engaged with the engaging pins 16 and the pin guides 17 at the same time as the other raising doors 3 cannot be opened. Is locked.
[0033]
【The invention's effect】
The present invention can obtain the following effects based on the above configuration.
(1) With a simple configuration, each jumping door covering each of the multiple stages of drawers can be freely opened, leading to cost reduction. When one of the drawers is pulled out, the other drawers cannot be pulled out at the same time. The door is safe because it cannot be opened.
[0034]
(2) When one drawer is pulled out and is in the locked state, when the door is accidentally closed, the end of the door can be inserted while following the tip of the lock lever that collides first. By forming the inclined portion, the door can be prevented from being deformed.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a flip-up door cabinet according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of the present embodiment.
FIG. 3 is a front view showing a main part of the safety locking device of the present embodiment.
4 is an exploded perspective view of a main part of the safety locking device of FIG. 3. FIG.
FIG. 5 is a cross-sectional view taken along line AA in FIG.
FIG. 6 is an exploded perspective view showing an essential part of a safety locking device for a raising door in a cabinet according to an embodiment of the present invention.
FIG. 7 is an assembled perspective view of a main part of a safety locking device for a raising door in the cabinet in the embodiment.
FIG. 8 is a cross-sectional view of the main part showing a state in which the jumping door can be released in the embodiment.
FIG. 9 is a cross-sectional view of an essential part showing a state in which the flip-up door is closed in the embodiment.
FIG. 10 is a side view of a main part showing a relation between the lock lever and the engagement / disengagement member in a state in which the jumping door can be released in the embodiment.
FIG. 11 is a side view of a main part showing a relation between the lock lever and the engaging / disengaging member in a state where the raising door is closed in the embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Cabinet 2 ... Cabinet body 3 ... Lifting door 4 ... Drawer 5 ... Upper wall plate 6 ... Storage part 7 ... Lock lever 8 ··· Operation restriction member 9 ··· Elastic spring piece 10 ··· Engagement pin 11 ··· Push nut 12 ··· Safety locking device 13 · · · Operation rod 14 ··· -Engagement piece 15 ... Catch member 16 ... Engagement pin 17 ... Pin guide 18 ... Catch piece 19 ... Catch mounting plate 20 ... Slide guide 21 ... Locking mechanism 22 ... Key insertion part 23 ... Key bar 24 ... Catch member operating lever 25 ... Pin 26 ... Operating rod 27 ... Key operating Lever 28 ... Lock pin 29 ... Stopper 30 ... Key actuator 31 ... Crank pin 32 ... Key attachment case 33 ... Hook 34 ... Screws 35, 36 ... Guide 37 ... Almost L-shaped locking piece 38 ... Triangle Projection part 39 ... Locking hole 40 ... Projection engagement piece 41 ... Folding door inner folding piece 42 ... Projection piece 43 ... Side wall 44 ... Reinforcing plate 45 ··· Locking device 46 ··· Engaging / disengaging member

Claims (2)

A plurality of drawers 4 stored in the cabinet body 2 so as to be able to be taken in and out, a lifting door 3 that covers the front surface of each drawer 4 and that can be stored in the cabinet body 2 when opened, and one or more jumpers When the raising door 3 is opened and any one of the drawers 4 is pulled out, it comprises a lock member for engaging all the other drawers 4 and the safety locking device 12 for the jumping door 3. The locking device 12 includes a lock lever 7 that locks the flip-up door 3 by pulling out any one of the drawers 4, and a side reinforcing plate of the cabinet body 2 that faces the lock lever 7. 44, an operation restricting member 8 fixed to 44 is provided. The operation restricting member 8 is assembled and engaged with the lock lever 7 so as to be always urged by the elastic spring piece 9 in the opening direction. Engaging / disengaging member engaged with one end of the lock lever 7 6, the fixed to actuating rod 13 which is vertically movable Tate設the cabinet body 2, wherein the side of each drawer 4, the engaging pin 16 is protruded, corresponding to the respective engaging pins 16 The operating rod 13 is provided with a pin guide 17 that can come into contact with the engaging pin 16, and the operating rod 13 has an inclined groove provided on the operating rod 13 when any one of the drawers 4 is pulled out. The operating rod 13 is lowered by the pin guide 17 and the engaging pin 16, and the triangular protrusion 38 formed at the other end of the lock lever 7 by the engagement / disengagement member 46 attached to the operating rod 13. Is pushed, the lock lever 7 rotates around the engaging pin 10, and the inside bent piece 41 of the flip-up door is engaged with the locking piece 37 formed at one end of the lock lever 7 and the operation restricting member 8. Locked with the protruding piece 42, the lock lever 7 is activated. Control moves in a direction to lock the member 8, the safety locking device of the drive-up door in the cabinet, characterized in that to be able to lock the other drive-up door 3.   2. A safety locking device for a flip-up door in a cabinet according to claim 1, wherein a tip portion of the lock lever is formed into an inclined portion so that the door can be inserted while following the shape of the door.

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