JPH03258212A - Lifting device for household cabinet - Google Patents

Abstract

PURPOSE:To facilitate the handling of the title device, when kitchen utensils are to be put in and out, from a holding body and to secure an effective space when they are not used, by a method wherein the holding body is movably placed at a desired position in height, with simple operation. CONSTITUTION:When an inner box body 12 is lowered, the inner box body 12 is vertically lowered along right-and-left guide rails through its guides right- and-left and up-and-down while rewinding a force-aiding device, following which a locking mechanism 16 on the top of the right side of the inner box body 12 is lowered at the position of a lower lock pin 8. At this time, the lower lock pin 8 is put into a guiding long-opening 21 on a cam-mounting plate 17 for this locking mechanism 16, and come in contact with the lower end part of a contact-guiding fringe 30 on a cam plate 26, following which the lower lock pin 8 is more deeply put into the guiding long-opening 21. At the same time, the contact-guiding fringe 30 being in contact with the lower lock pin 8 slides on the lower lock pin 8, and the cam plate 26 is gradually turned outward centering around a bolt 24 against a spring 38.

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial Application Field) The present invention relates to an elevating furniture device, for example, to a device for suspending a container for storing kitchen utensils at a predetermined position in kitchen furniture.

(Prior Art) Conventionally, various structures have been proposed for this type of furniture, but most of the ones proposed so far have a structure in which a container for storing kitchen utensils is provided in a fixed position on the main body frame. is taken.

(Problem to be solved by the invention) In the above structure, since the container is fixed at a set position,
Depending on the position of the container, handling may be inconvenient, such as having to take kitchen utensils in and out of the container in an awkward position.
Furthermore, if the container is set at a low height for handling reasons, there is a problem in that the effective space is permanently narrowed when not in use, depending on the setting location.

Therefore, the present invention has been made in view of these problems, and allows the container to be easily movably installed at a desired height position, thereby making it easier to handle kitchen utensils when taking them in and out of the container. It is an object of the present invention to provide an elevating furniture device that can be easily moved and that can secure an effective space when not in use.

[Structure of the invention]

(Means for Solving the Problem) The elevating furniture device of the present invention includes a main body frame with a lock pin protruding from a predetermined position, and a main body frame that is provided on the main body frame so as to be movable up and down and can be freely engaged with and detached from the lock pin. A cam mounting plate having a stopper and a guide groove for guiding the lock pin is fixed to the casing, and the cam mounting plate has a rotation center axis fixed to the cam mounting plate. A cam plate is swingably supported through the cam plate, and an engagement guide edge that engages with the lock pin is formed on one side of the cam plate at an angle, and the lock pin is attached to the tip of the engagement guide edge. A guide port for guiding the lock pin is opened, a locking recess for locking the lock pin is formed in the inner part of the guide port, and the lock pin is released into a release hole formed continuously in the locking recess. The cam plate is provided with a protruding release piece and a spring that biases and supports the cam plate so that the release hole is always communicated with the guide long groove.

(Function) When the lifting furniture device of the present invention raises a container and sets it in a predetermined position, when the container is lifted and the locking mechanism of the container is raised to the position of the upper lock pin, The lock pin is inserted into the long guide groove of the cam mounting plate of this locking mechanism, and the upper end of the engagement guide edge of this cam plate comes into contact with the lock pin, and the lock pin is inserted deeper into the long guide groove. At the same time, the cam plate is gradually rotated outwardly against the spring about the rotation center axis by the lock pin, which slides against the engagement guide edge.

As the cam plate rises, the tip of the engagement guide edge disengages from the lock pin, and the lock pin is positioned at the guide port of the cam plate, and the cam plate returns to its spring state around the rotation center axis. The cam plate is rotated back by the force, and the locking recess 36 of the cam plate is engaged with the lock pin. Therefore, when the lifting operation of the container is stopped, the locking recess of the cam plate is engaged and locked with the lock pin, and the container is locked in a predetermined raised position.

Next, when unlocking the container, raise the container slightly so that the lock pin is inserted deeper into the long guide groove of the cam mounting plate and the locking recess of the lock plate is moved above the lock pin. The lock plate is removed and the lock plate is lifted with the release piece of the lock plate engaged with the lock pin. Then, when the opening edge at the bottom opposite to the locking recess in the release hole of the lock plate is engaged with this lock pin, or just before it is engaged, the release piece of the lock plate comes off from the lock pin, and this lock is released. The plate is rotated back about the rotation center axis by the return force of the spring, and the release piece of the lock plate is moved to the front side of the lock pin. Therefore, the container is unlocked by the lock pin and the lock mechanism. When the container is lowered, the lock pins slide and push the upper side of the lock plate one after another in the direction in which the lock pins are removed, and the lock plate swings back and forth around the central axis of rotation. The lock plate is moved below the lock pin, and the lock mechanism and the container are smoothly moved below the lock pin without being locked.

(Example) Hereinafter, the configuration of an example of the present invention will be described based on the drawings.

In FIG. 1, 1 is a main body frame, and this main body frame 1 includes left and right side frames 2 extending in the vertical direction, and a horizontal ceiling frame provided between the upper ends of these left and right side frames 2. 3 and a back frame 4 extending in the vertical direction.

Further, a lock pin fixing plate 5 is fixed to the upper left side of the back frame body 4 in a position adjustable manner, and an upper lock pin 6 as a lock pin is integrally and horizontally protruded from the lock pin fixing frame 5 toward the front. has been done. Further, a lock pin fixing plate 7 is fixed to the lower right side of the back frame body 4 so as to be adjustable in position, and a lower lock pin 8 as a lock pin is fixed horizontally to the front of the lock pin fixing plate 7. It is installed protrudingly. Therefore, the lock pin fixing plate 5 having the upper lock pin 6 and the lock pin fixing plate 7 having the lower lock pin 8 are as follows:
Lock pin fixing plate 5 at each mounting position
, 7 and a plurality of screws 10 screwed into the back frame 4 through the respective mounting holes 9. Further, guide rails 11 extending in the vertical direction are vertically fixed integrally to the inner front ends of the left and right side frames 2 so as to face each other.

Reference numeral 12 denotes an inner box as a container for storing seasonings, tableware, kitchen utensils, etc., and this inner box 12 includes a plurality of guides (Fig. (not shown) along the left and right guide rails 11 of the main body frame 1 so as to be vertically movable. Further, a lock mechanism 15 for locking the raised position that engages and disengages from the upper lock bin 6 is provided at the upper left side of the top plate 14 of the inner box body 12, and at the upper right side of the top plate 14. A lock mechanism 16 for locking the lower position that engages with and disengages from the lower lock pin 8 is provided.

The locking mechanisms 15 and 16 on the left and right sides on the top plate 14 have the same structure, but are turned upside down and used for locking the raised position and for locking the lowered position. That is, the left and right locking mechanisms 15 and 16 are as follows:
The cam mounting plate 17 has a cam mounting plate 17 vertically fixed on the left and right sides of the top plate 14, and the cam mounting plate 17 has mounting pieces for the top plate 14 at both ends of a plate body 18 extending in the vertical direction. 19 and 20 are bent substantially at right angles in the same direction, and a guide long groove 21 is formed in the widthwise middle part of the plate body 18 from the longitudinal middle part toward the negative mounting piece 19 side. Notches are formed. Further, a stopper 22.23 is provided midway from the intermediate portion in the length direction of the plate body 18 to the other attachment piece 20 so as to protrude in the direction in which the attachment piece 19.20 projects. Further, a bolt 2 is located on the other mounting piece 20 side from the longitudinally intermediate portion of the plate body 18 and serves as a rotation center axis.
4 protrudes in the direction in which the mounting pieces 19 and 20 protrude, and a stopper nut 25 is screwed onto the protruding end of this bolt 24. The bolt 24 also has a cam plate 2.
The base end portion of 6 is attached so as to be rotatable in the left-right direction and swingable in the front-back direction.

In this cam plate 26, a mounting hole 28 through which the bolt 24 is inserted is formed at the base end of a plate main body 27 that is generally formed in a generally triangular shape. An engagement guide edge 30 is formed to project laterally from the swinging tip 29 of the slider. Further, an engagement piece 32 is provided protruding from the base end side having the attachment hole 28 toward the distal end portion 31 of the engagement guide edge 30;
An arc-shaped engagement recess 33 is formed at the tip of the engagement piece 32, and the engagement recess 33 and the tip 3 of the engagement guide edge 30
A guide port 34 that opens outward is formed between the guide port 1 and the guide port 1 . Further, a substantially rectangular release hole 35 is formed in a substantially middle portion of the plate main body 27, and this release hole 35 is formed in communication with the guide port 34, and is on the side of the swinging tip portion 29 in this communication portion. A locking recess 36 that is continuous with the tip 31 of the engagement guide edge 30 is formed at the opening edge. Further, the release hole 35 continuous with the locking recess 36
A release piece 37 integrally projects from the opening edge of the plate main body 27 at an angle in a direction toward the attachment hole 28 at the base end of the plate body 27 and gradually away from the release hole 35 toward the front side. Furthermore, a spring 38 is wound around the bolt 24, one extension part 39 of this spring 38 is locked to the stopper 23, and the other extension part 40 is connected to the reinforcing side piece 41 of the plate main body 27. The spring 38 urges the cam plate 26 to rotate around the bolt 24 so that one side of the base end thereof is always locked to the stopper 22. An end portion of the engagement guide edge 30 at the swinging tip portion 29 is positioned within the guide long groove 21 of the cam mounting plate 17. In this way, the locking mechanism 1
5. 16 are configured.

When the locking mechanism 15 is installed on the upper left side of the top plate 14, one mounting piece 19 of the cam mounting plate 17 should face upward, the other mounting piece 20 should face downward, and the long guide groove should be 21 is aligned with the upper lock pin 6, the other mounting piece 20 is fixed to the upper left side of the top plate 14 with a plurality of bolts 42.

In addition, when the locking mechanism 16 is installed on the upper right side of the top plate 14, one mounting piece 19 of the cam mounting plate 17 should face downward, the other mounting piece 20 should face upward, and the long guide groove should be 21 is aligned with the lower lock pin 8, one of the mounting pieces 1
9 is fixed to the upper right side of the top plate 14 with a plurality of bolts 43.

Next, a horizontal portion 45 of a pair of left and right Conston fixing fittings 44 formed in an L shape near the upper end of the width direction intermediate portion of the back frame 4 of the main body frame 1 is connected to a plurality of bolts 46.
These left and right Conston fixing fittings 44
A wound conston 49 is supported between the vertical portions 47 of the top plate 14 via a support shaft 48 so as to be freely unwound, and the unrolled end portion of the conston 49 is attached to the top plate 14 at the middle upper part in the middle direction via a mounting piece 50. It is fixed. Further, the base end portion of an air damper 51 is fixed to the lower part of one side of the top frame body 3 of the main body frame 1, and the upper surface portion of the top plate 14 is attached to the lower end portion of a reciprocating rod 52 that can freely move forward and backward. A supporting contact piece 53 is formed horizontally.

Next, the operation of the above embodiment will be explained.

First, when lowering the inner box body 12 and locking the locking mechanism 16 on the upper right side to the lower lock pin 8, lower the inner box body 12.
When the inner box body 1 is lowered, the inner box body 1
2 is vertically lowered along the left and right guide rails 11 while rewinding the conston 49. When the locking mechanism 16 on the upper right side of the inner box body 12 is lowered to the position of the lower locking pin 8, the locking mechanism 16 is inserted into the guide groove 21 in the cam mounting plate 17, as shown in FIG. As the lower lock pin 8 is inserted, this cam plate 2
The lower end of the engagement guide edge 30 at 6 is the lower lock pin 8
, the lower lock pin 8 is inserted deeper into the long guide groove 21, and the lower lock pin 8
As a result, the cam plate 26 engages the bolt 24 through the sliding movement of the lower lock pin 8 against the engagement guide edge 30 engaged therewith.
It is gradually rotated outward against the spring 38 as shown by the chain line in FIG.

Then, as the cam plate 26 descends, the leading end 31 of the engagement guide edge 30 is disengaged from the lower lock pin 8, and the cam plate 26 is disengaged from the lower lock pin 8.
The engagement recess 33 of the engagement piece 32 is engaged with the upper part of the engagement piece 32 through the guide port 34, and the lowering of the inner box body 12 is temporarily stopped. Further, when the inner box body 12 rises slightly, the engagement recess 33 of the cam plate 26 comes off above the lower lock pin 8, the lower lock pin 8 is positioned in the guide hole 34, and the cam plate 26 The locking recess 36 of the cam plate 26 is rotated back around the bolt 24 by the restoring force of the spring 38, and the locking recess 36 of the cam plate 26 is rotated against the lower lock pin 8.
is engaged. Therefore, when the lowering movement of the inner box body 12 is stopped, the locking recess 3 of the cam plate 26 engages the lower part of the lower lock pin 8 due to the winding action of the conston 49.
6 is engaged and locked, and the inner box body 12 is locked from rising at a predetermined lowered position.

Next, move up the inner box body 12 and remove the locking mechanism 1 on the upper left side.
5 to the upper lock pin 6, when the lock mechanism 16 on the upper right side and the lower lock pin 8 are locked, first, when releasing this lock, lower the inner box body 12 slightly. , Lock mechanism 1 on the upper right side
As the lower lock pin 8 is inserted deeper into the guide long groove 21 in the cam mounting plate 17 of 6, the locking recess 36 of the lock plate 26 comes off below the lower lock pin 8, and the lower lock pin The lock plate 26 is lowered with the release piece 37 of the lock plate 26 engaged with the lock plate 8 . Then, the upper opening edge of the release hole 35 of the lock plate 26 opposite to the locking recess 36 is engaged with the lower lock pin 8, or just before that, as shown in FIG. The release piece 37 of the lock plate 26 comes off from the lower lock bin 8, and the lock plate 26 is rotated back around the bolt 24 by the restoring force of the spring 38. will be moved to Therefore, the inner box body 12 is unlocked by the lower lock bin 8 and the lock mechanism 16 on the upper right side. When the inner box body 12 is raised, the lower lock plate 26 is successively slid into contact with the lower lock plate 26 by the lower lock bin 8 in the direction in which the lower lock bin 8 is removed, and the lock plate 26 is moved by the bolts. 24, the lock plate 26 is detached above the lower lock bin 8, and the lock mechanism 16 and inner box body 12 on the upper right side are moved above the lower lock bin 8 without being locked thereto. Moved smoothly.

Next, move up the inner box body 12 and remove the locking mechanism 1 on the upper left side.
5 to the upper lock pin 6, when the inner box body 12 is raised, the inner box body 12 is vertically moved along the left and right guide rails 11 via the left and right upper and lower guides while the conston 49 is wound. be raised. Then, when the lock mechanism 15 at the upper left side of the inner box body 12 is raised to the position of the upper lock pin 6, this lock mechanism j5
The upper lock pin 6 is inserted into the long guide groove 21 of the cam mounting plate 17, and the upper end of the engagement guide edge 30 of the cam plate 26 is brought into contact with the upper lock pin 6, and the upper lock pin 6 is inserted into the long guide groove 21 of the cam mounting plate 17. As the lock pin 6 is inserted further upwardly, the cam plate 26 is inserted into the bolt 2 through the upper lock pin 6 sliding against the engagement guide edge 30 that is engaged with the upper lock pin 6.
4 and is gradually rotated outward against the spring 38.

Then, as the cam plate 26 rises, the tip end 31 of the engagement guide edge 30 comes off the upper lock pin 6, and the cam plate 26 is disengaged from the upper lock pin 6.
The engagement recess 33 of the engagement piece 32 is engaged with the lower part of the engagement piece 32 through the guide port 34, and the upward movement of the inner box body 12 is temporarily stopped. Further, when the inner box body 12 is slightly lowered, the engagement recess 33 of the cam plate 26 comes off below the upper lock pin 6, and the upper lock pin 6 is located in the guide hole 34, and the cam plate 26 The locking recess 36 of the cam plate 26 is rotated around the bolt 24 by the restoring force of the spring 38, and the locking recess 36 of the cam plate 26 is rotated to the upper lock pin 6.
is engaged. Therefore, when the rising movement of the inner box body 12 is stopped, the locking recess 36 of the cam plate 26 is engaged and locked with the upper part of the upper lock pin 6 due to the weight of the inner box body 12, and the inner box body 12 is locked from lowering at a predetermined raised position.

Further, when the inner box body 12 is raised to a predetermined raised position, the contact piece 53 of the air damper 51 comes into contact with the top plate 14 of the inner box body 12, and the cam attachment in the locking mechanism 15 at the upper left side The mounting piece 19 on the upper part of the plate 17 is prevented from colliding with the lower surface of the large frame 3 of the main body frame 1.

In addition, when unlocking the inner box body 12 by the lock mechanism 15 at the upper left side and the upper lock pin 6, the inner box body 12, the lock can be easily released.

〔Effect of the invention〕

According to the present invention, since the container is provided on the main body frame so as to be movable up and down, the container can be moved and installed at a desired height position.In this case, the locking mechanism is attached to the lock bin at the desired height position. By automatically engaging and locking, the container can be easily locked in the installed position, making it easier to handle when putting kitchen utensils in and out of the container, and also saving effective space when not in use. can be secured. In addition, by moving the container up and down with respect to the lock bin, the locking mechanism is automatically activated and the lock with the lock bin can be easily released. Therefore, the installation position of the container can be easily selected and set.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, in which the first construction drawing is a front view with a part of the furniture device omitted, FIG. 2 is a side view of the same, FIG. 3 is a front view of the locking mechanism, and FIG. is the same side view, No. 5
The figure is a bottom view of the same as above. 1...Body frame, 6,8...Lock pin, 12...
Container, 15.16... Lock mechanism, 17... Cam mounting plate, 21... Long guide groove, 22... Stopper, 24...
-Rotation center axis, 26...Cam plate, 30.Engagement guide edge, 31...Tip of engagement guide edge, 34.Guide port, 35
・Release hole, 36 ・Latching recess, 37 ・Release piece, 38
··spring. ]1su[

Claims (1)

[Claims] (1) A body frame having a lock pin protruding from a predetermined position, and a container having a locking mechanism provided on the body frame so as to be movable up and down and removably engaged with the lock pin, The locking mechanism includes a cam mounting plate having a long guide groove and a stopper fixed to the container, which guides the lock pin, and a cam mounting plate swingably supported on the cam mounting plate via a rotation center shaft. An engagement guide edge that engages with the lock pin is formed on one side of the cam plate at an angle, and a guide opening for guiding the lock pin is opened at the tip of the engagement guide edge, and the inside of this guide opening is opened at the tip of the engagement guide edge. A locking recess for locking the lock pin is formed on one side, a release piece for unlocking the lock pin is provided protruding from a release hole continuously formed in the locking recess, and the release piece for unlocking the lock pin is provided in the guide long groove. A lifting furniture device characterized in that a spring is provided that biases and supports the cam plate so that the holes are always communicated.