JPH03224509A - Elevator - Google Patents

Abstract

PURPOSE:To effectively utilize the space, to sufficiently draw out a movable frame body to a low position and to allow it to descend by combining and utilizing a horizontal guide device for guiding the horizontal movement of the movable frame body and a vertical guide device for guiding a vertical movement of the movable frame body. CONSTITUTION:At the time of drawing out a movable frame body 3, a guide roller 26 of a slipping guide device 22 is slipped along a guide rail 23, a horizontal movement of the movable frame body 3 is guided, and also, and it is obstructed that a second vertical rail 17 of a vertical guide device 8 is subjected to relative movement in the vertical direction against a first vertical rail 16. In such a state, when the movable frame body 3 is drawn out of an opening part 2 of a fixed frame body 1, the vertical movement of a second vertical rail 17 is allowed by the slipping guide device 22, its second vertical rail 17 is subjected to relative movement in the vertical direction against a first vertical rail 16, and the movable frame body 3 is allowed to descend in a front position of the fixed frame body 1. In such a way, the space can be utilized effectively, and the movable frame body can be drawn out enough to a low position and can be allowed to descend.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a lifting device for a lifting shelf or the like.

[Conventional technology] Conventionally, when storage shelves were installed high near the ceiling in a typical home or office, it was necessary to use a stepladder, etc., to put in and take out stored items, which was very troublesome. Met. Therefore, an elevating shelf equipped with an elevating device as shown in FIG. 19, for example, has been proposed in the past.

In this conventional configuration, a box-shaped movable frame 3 having a plurality of shelves 5 is rotatable within a box-shaped fixed frame 1 having an open portion 2 on the front surface via a four-bar link mechanism 70. When loading and unloading items from the shelf 5 of the movable frame 3, the movable frame 3 is pulled out from the opening 2 of the fixed frame 1 to the lower front and lowered to a lower position. You can now work with it.

[Problems to be Solved by the Invention] However, in this conventional configuration, the movable frame 3 is rotated via the four-bar link mechanism 70, and the movable frame 3 is rotated between the storage position within the fixed frame 1 and the front of the fixed frame 1. Therefore, a large dead space 71 is provided between the solid chamber frame 1 and the movable frame 3 to avoid interference with the rotation locus of the movable frame 3. However, the space utilization efficiency is extremely poor, and the vertical stroke between the retracted position and the pulled-out position of the movable frame 3 is limited by the link length of the four-bar link mechanism 70, and the movable frame 3 There was a problem in that it was not possible to sufficiently pull out and lower the device to a low position.

Moreover, in order to lower the pull-out position of the movable frame 3,
When the link length of the four-bar linkage mechanism 70 is increased, the rotation radius of the movable frame 3 increases, and the movable frame 3 protrudes largely forward of the fixed frame 1 when pulled out. A new problem has arisen in that it is necessary to secure a large space in front of the fixed frame 1 in order to avoid interference with the fixed frame 1.

This invention was made by focusing on the problems existing in the conventional technology as described above, and its purpose is to provide a large dead space between a fixed frame and a movable frame. This eliminates the need for effective use of space, and allows for a large lifting stroke between the storage position and the pull-out position of the movable frame, allowing the movable frame to be fully pulled out to a low position and lowered. In addition, the amount of forward protrusion of the fixed frame when the movable frame is pulled out is small, and the movable frame can be used without having to secure a large space in front of the fixed frame. To provide a lifting device capable of smoothly operating a movable frame body in and out with a light force.

[Means for Solving the Problems] In order to achieve the above object, the invention according to claim 1 includes a fixed frame body having an open portion on the front surface, and a structure that can be drawn out through the open portion inside the fixed frame body. A horizontal guide device is provided between the accommodated movable frame, inner surfaces on both sides of the fixed frame, and outer surfaces on both sides of the movable frame, and guides the horizontal movement of the movable frame, and a horizontal guide device guides the vertical movement of the movable frame. The horizontal guide device includes a first horizontal rail attached to a fixed frame and a second horizontal rail horizontally movably connected to the first horizontal rail. And said vertical indoor interior! comprises a first vertical rail fixed to a second horizontal rail and a second vertical rail vertically movably connected to the first vertical rail and attached to a movable frame; and the fixed frame A guide rail provided on one of the body and the movable frame so as to extend substantially parallel to the first horizontal rail of the horizontal guide device, and a guide rail provided on the other side so as to slide relatively on the guide rail. A sliding guide device consisting of guided rollers, and the sliding guide device guides the horizontal movement of the movable frame until the movable frame is pulled out from the fixed frame while guiding the second vertical rail of the vertical guide device. Vertical movement is prevented, and when the movable frame is pulled out from the fixed frame, the second
The vertical rail is allowed to move vertically, and when the movable frame is pulled out from the fixed frame and the sliding guide device allows the second vertical rail of the vertical guide device to move vertically. , a weight reduction device for acting on the movable frame to reduce the weight of the movable frame including the movable frame.

In the invention as set forth in claim 2, the weight reducing device connects the center of a connecting body that interconnects the pair of left and right second horizontal rails of the horizontal guide device on the rear side of the movable frame and the rear side of the movable frame. a multi-stage pantograph-like link mechanism provided between the upper end of the center; a gas spring including a cylinder and a piston rod with one end of the cylinder attached to the connecting body; It consists of one link that connects a nearby node and the tip of the piston rod of the gas spring.

In the invention according to claim 3, the weight reduction device includes a connecting body that connects the second horizontal rail of the horizontal guide device or the pair of left and right second horizontal rails to each other on the rear side of the movable frame, and the movable frame. The device includes at least one torsion spring provided between the device and the body.

In the invention according to claim 4, the weight reduction device includes at least one tension spring mounted between a fixed frame body and a movable frame body via one or more pulleys. It is composed of

In the invention according to claim 5, an intermediate rail is provided between the first horizontal rail and the second horizontal rail of the horizontal guide device and is operatively connected to both rails.

In the invention according to claim 6, the guide rail of the sliding guide device is attached to both inner surfaces of the fixed frame body, and has an upper horizontal portion and a front vertical portion, and the guide rail of the sliding guide device Rollers are provided at the upper portions of the outer surfaces of both sides of the movable frame body so as to protrude rearward from the movable frame body, and the movement of the movable frame body in the pull-out direction and the vertical direction is guided by the cooperation of the guide rails and the guide rollers. It is structured as follows.

In a seventh aspect of the invention, a movable frame positioning recess into which a guide roller is fitted is provided at the rear end of the horizontal portion of the guide rail.

In the invention as set forth in claim 8, a movable frame holding recess into which a guide roller is fitted is provided at the lower end of the vertical portion of the guide rail.

[Function] In the first invention, when the movable frame is pulled forward from the stored state within the fixed frame, the second horizontal rail of the horizontal guide device is moved horizontally relative to the first horizontal rail,
The movable frame body is pulled forward from the open portion of the fixed frame body.

When the movable frame is pulled out, the guide rollers of the sliding guide device are slid along the guide rails to guide the horizontal movement of the movable frame, and the second vertical rail of the vertical guide device is moved along the first vertical rail. relative movement in the vertical direction is prevented.

When the movable frame body is pulled out from the open portion of the fixed frame body, vertical movement of the second vertical rail is allowed by the sliding guide device, and the second vertical rail is vertically relative to the first vertical rail. After being moved, the movable frame is lowered to a position 1 in front of the fixed frame. When the movable frame is lowered, the weight of the movable frame including the movable frame is reduced by the weight reduction device, so there is no fear that the movable frame will be lowered rapidly due to the action of gravity.

Furthermore, the movable frame can be stored in the fixed frame by moving the movable frame vertically upward from the lowered position and then horizontally moving backward in the reverse order of the above operations. Even during this upward movement of the movable frame, the weight on the movable frame side is reduced by the weight reduction device, so that the movable frame can be easily lifted with a light force.

In the second invention, the weight of the movable frame is reduced by the gas spring of the weight reduction device via the pantograph and the link.

In the third invention, the weight of the movable frame is reduced by the torsion spring of the weight reduction device.

In the fourth invention, the weight of the movable frame is reduced by the tension spring of the weight reduction device via the plurality of pulleys.

In the third invention, since the intermediate rail is provided, the amount of extension of the horizontal guide device can be increased, and a sufficient amount of movement of the movable frame can be ensured.

In the sixth invention, the horizontal movement and vertical movement of the frame is guided by engagement between the guide rail and the guide roller.

In the seventh invention, the movable frame is positioned at the storage position by engagement between the guide roller and the movable frame positioning recess.

In the eighth invention, the movable frame is held at the drawer lowered position by engagement between the guide roller and the movable frame holding recess.

[Example] Hereinafter, a first example of an elevating shelf that embodies the elevating device of the present invention will be described in detail based on FIGS. 1 to 10.

As shown in FIGS. 1 to 3, the fixed frame 1 is formed into a box shape with an open portion 2 on the front, and is installed at a high position near the ceiling in a general home, office, or the like. A box-shaped movable frame 3 with an open front is connected to a fixed frame 1 via a movement guide device 4.
The container is accommodated in a container that can be pulled out from an open portion 2, and a plurality of shelves 5 for storing articles are provided therein, and a handle 6 is provided on the front edge of the lower end. The movement guide device 4 is provided between both inner surfaces of the fixed frame 1 and both outer surfaces of the movable frame 3, and includes a horizontal guide device 7 for guiding the horizontal movement of the movable frame 3 in the drawing direction; It is configured in combination with a vertical guide device 8 for guiding the vertical movement of the movable frame 3 in the vertical direction.

As shown in FIGS. 1, 4, 5, and 9, the horizontal guide device! Reference numeral 7 indicates a first horizontal rail 9 that extends horizontally and is attached to both outer surfaces of the fixed frame 1, and a second horizontal rail that is connected to the first horizontal rail 9 via an intermediate rail 10 so as to be relatively movable in the horizontal direction. It is composed of a rail 11. A pair of engaging bodies 12 are provided at both upper and lower edges of the intermediate rail 10, and the engaging bodies 12 and the first and second horizontal rails 9
11, a plurality of spheres 13 are rotatably interposed in a predetermined arrangement via a holding plate 14.

Each pair of removal prevention protrusions 15 are cut out near both ends of the first and second horizontal rails 9 and 11, and the engagement between the protrusions 15 and both ends of the retaining plate 14 allows the first horizontal rail 9 and the middle The range of relative movement with the rail IO and the range of relative movement between the intermediate rail 10 and the second horizontal rail 11 are regulated. Further, since the intermediate rail 10 is interposed between the first horizontal rail 9 and the second horizontal rail 11, the amount of extension of the horizontal guide device 7 can be increased, and the amount of drawout of the movable frame 3 can be ensured sufficiently. can.

As shown in FIGS. 1, 4, and 6, the vertical guide device 8 includes a first vertical rail 16 fixed to the second horizontal rail 11 of the horizontal guide device 7, and
The movable frame body 3 is connected to the movable frame body 3 so as to be movable relative to
It consists of second vertical rails 17 that extend vertically and are attached to the outer surfaces of both sides. The engaging body 18 is provided on the inner surface of the first vertical rail 16, and a plurality of spheres 19 are rotatably interposed in a predetermined arrangement between the engaging body 18 and the second vertical rail 17 via a holding plate 20. equipped. A pair of removal prevention protrusions 21 are bent and formed at both upper and lower ends of the second vertical rail 17, and the protrusions 21 and the first vertical rail 1
6, the first and second vertical rails 1
6.17 relative movement range is restricted.

As shown in FIGS. 1, 4, and 9, the sliding guide device 22 is provided between the inner surfaces on both sides of the fixed frame 1 and the outer surfaces on both sides of the movable frame 3. As shown in FIGS. The guide rails 23 of the sliding guide device 22 are attached to both inner surfaces of the fixed frame 1, and include an upper horizontal portion 24 extending substantially parallel to the first horizontal rail 9 of the horizontal guide device 7, and a front end of the horizontal portion 24. It has a front vertical part 25 extending vertically downward.

The guide rollers 26 of the sliding guide device 22 are rotatably supported by support arms 27 at the upper portions of the outer surfaces of both sides of the movable frame 3, and are arranged upwardly so as to protrude rearward from both sides of the movable frame 3.

Then, until the movable frame 3 is pulled out from inside the fixed frame 1 to the front, the guide rollers 26 of the sliding guide device 22 slide on the horizontal portion 24 of the guide rail 23, and the movable frame 3
horizontal movement in the drawing direction is guided, and vertical movement of the second vertical rail 17 with respect to the first vertical rail 16 of the vertical guide device 8 is prevented. Further, when the movable frame 3 is pulled out in front of the fixed frame 1, the guide roller 26
is removed from the horizontal portion 24 of the guide rail 23, the second vertical rail 17 is allowed to move vertically, and the guide roller 26 slides on the front surface of the vertical portion 25 of the guide rail 23.
Vertical movement of the movable frame 3 in the vertical direction is guided.

A recess 28 for positioning the movable frame body is formed at the rear end of the horizontal portion 24 of the guide rail 23, and as shown in FIG. is positioned at a storage position within the fixed frame 1.

The movable frame holding recess 29 is located at the vertical portion 25 of the guide rail 23.
This recess 29 is formed at the lower end of the
By fitting the guide roller 26 into the movable frame 3
is held at the lower front drawer position of the fixed frame 1.

As shown in FIGS. 1, 4, and 7 to 10, the channel-shaped connecting body 30 connects the pair of left and right second horizontal rails 11 of the horizontal guide device 7 to the rear side of the movable frame 3. A zero weight reduction device 32, which is installed and fixed between the two horizontal rails 11 of both sides via a mounting plate 31, is provided on the rear side of the movable frame 3, so that the movable frame 3 is attached to the fixed frame. When the second vertical rail 17 of the vertical guide device 8 is pulled out from the body 1 and allowed to move vertically by the sliding guide device 22, the movable frame #3fl acts on the movable frame body 3 and includes the movable frame body 3.
Reduce the weight of l.

The link mechanism 33 of the weight reduction device 32 is configured in a three-stage bank graph shape by connecting a plurality of links 34 with a bin 35, and is attached to the center of the connecting body 30 at the lower end, and has a movable frame at the upper end. The gas spring 37 of the zero weight reduction device 32, which is attached to the upper end of the center of the rear surface of the body 3 via a mounting bracket 36, is provided in a cylinder 38 filled with high-pressure gas and is movable up and down within the cylinder 38. It is composed of a piston 39 having a small hole 39a therethrough, and a piston rod 4o extending upward from the piston 39,
The lower end of the cylinder 38 is attached to the center of the connecting body 30 via a mounting bracket 41, a pin 42, and a connecting fitting 43.

An upward biasing force always acts on the piston 39 based on the difference in the pressure receiving area between the upper and lower surfaces of the piston 39, and the expansion and contraction of the piston 39 is allowed by the ventilation in the small hole 39a. Movement resistance is applied to the piston 39 due to the ventilation resistance caused by this.

One connecting link 44 constituting the weight reduction device 32
is connected at its lower end to the node closest to the connecting body 30 of the pantograph-like link mechanism 33, and its upper end is attached to the tip of the piston rod 40 of the gas spring 37 via a pin 45 and a mounting bracket 46. When the movable frame body 3 is raised and lowered in front of the fixed frame body 1, the amount of elevation is controlled by the pantograph-like link mechanism 33.
is transmitted to the piston rod 39 of the gas spring 37 via the connecting link 44, and the weight on the movable frame 3 side is reduced by the upward biasing action of the gas spring 37. be done.

Next, the operation of the elevating shelf configured as described above will be explained.

Now, FIGS. 1 to 3 show a state in which the movable frame 3 is housed within the fixed frame 1. In this state,
Since the guide roller 26 of the sliding guide device 22 is fitted into the recess 28 for positioning the movable frame body at the rear end of the horizontal portion 24 of the guide rail 23, the movable frame body 3 is reliably placed in the storage position within the fixed frame body 1. Positioned and held. Therefore, the movable frame 3 will not be moved forward from its storage position within the fixed frame 1.

Next, when the movable frame body 3 is pulled forward from the storage position in the fixed frame #1 by the handle 6, the second horizontal rail 11 of the horizontal guide device 7 is horizontally aligned with the first horizontal rail 9 via the intermediate rail 10. The movable frame body 3 is moved relative to the fixed frame #
1 is pulled out forward from the opening 2. This movable frame 3
When pulling out the guide roller 26 of the sliding guide device 22
is slid on the horizontal portion 24 of the guide rail 23 to guide the horizontal movement of the movable frame 3, and the second vertical rail 17 of the vertical guide device 8 is moved vertically relative to the first vertical rail 16. Prevented from being moved. Therefore, the movable frame 3 can be smoothly horizontally moved from the storage position within the fixed frame 1 to the pulled-out position in front of the fixed frame 1.

As shown by the chain line in FIG.
4, the second vertical rail 17 is allowed to move vertically, and the second vertical rail 17 is moved from the top of the first vertical rail 16.
The movable frame body 3 is moved relative to the fixed frame body 1 in the vertical direction, and is lowered from the forward drawing position of the fixed frame body 1. When the movable frame 3 is lowered, the guide roller 26 slides on the front surface of the vertical portion 25 of the guide rail 23 to guide the vertical movement of the movable frame 3, and as shown in FIGS. 8 and 10. The weight of the movable frame 3111 including the movable frame 3 is applied to the gas spring 37 via the pantograph link mechanism 33 of the weight reduction device 32, and is reduced by the action of the gas spring 37. Therefore, there is no fear that the movable frame 3 will be suddenly lowered by the action of gravity, and the movable frame 3 can be easily and safely vertically moved from the forward pull-out position of the fixed frame 1 to the lowered position.

When the movable frame 3 is moved to the lowered position in this way, the fourth
As shown by solid lines in the figure, the guide roller 26 of the sliding guide device 22 fits into the movable frame holding recess 29 at the lower end of the vertical portion 25 of the guide rail 23, and the movable frame 3 is held stationary in the lowered position. Ru. Therefore, the movable frame 3 does not move upward from the lowered position, and articles can be easily taken in and out of the shelf 5 of the movable frame 3 in this lowered position.

Also, in the reverse order of the above operation, pull the movable frame 3 slightly forward so that the guide roller 26 comes out of the movable frame holding recess 29, and move the movable frame 3 vertically upward from the lowered position. If the movable frame body 3 is horizontally moved rearward after the movable frame body 3 is moved back, the movable frame body 3 can be returned to the storage position within the fixed frame body 1. This movable frame 3
Even during the upward movement of the movable frame 3, the vertical movement of the movable frame 3 is guided by the vertical guide device 8, and the weight on the movable frame 3 side is reduced by the weight reduction device 32, so that the movable frame 3 is moved with a light force. can be easily lifted.

As described above, in the elevating shelf of this embodiment, the movable frame 3 is horizontally moved between the storage position within the fixed frame 1 and the pulled-out position in front of the fixed frame 1, and the movable frame 3 Since it is configured to be vertically moved between the front pull-out position and the lowered position, there is no need to provide a large dead space between the fixed frame 1 and the movable frame 3 to avoid interference. , the movable frame 3 can be formed to have substantially the same dimensions as the fixed frame 1, and space can be used effectively.

Further, according to the configuration of this embodiment, since the movable frame 3 moves up and down linearly, the vertical stroke of the movable frame 3 can be increased. This swivel allows the movable frame 3 to be sufficiently lowered to a low position, and the movable frame 3 is placed in a low lowered position! In this state, articles can be easily taken in and taken out. Furthermore, when the movable frame 3 is pulled out, the movable frame 3 only has to protrude by the depth, and does not protrude much forward of the fixed frame 1, so there is no need to secure a large space in front of the fixed frame 1. Even if the elevating shelf is installed in a narrow place, the movable frame body 3 can be easily moved in and out.

[Another Embodiment] Next, another embodiment of the present invention will be described based on FIGS. 11 to 16.

First, the second embodiment shown in FIGS. 11 and 12 will be described. This embodiment differs from the first embodiment in the structure of the weight reduction device 32.

That is, one mounting plate 50 is fixed to the upper end of the rear surface of the movable frame 3, and a pair of mounting brackets 51 are fixed to the pair of left and right second horizontal rails 11 of the horizontal guide device 7 on the rear side of the movable frame 3. ing. A pair of torsion springs 52 having a winding portion 52a at the center extend from the left and right side edges toward the opposite side along the rear surface of the movable frame 3, and are arranged so as to overlap each other at the center. , are attached to the ends of the mounting plate 50 and the mounting fittings 51 by means of pins 53 at both upper and lower ends.

When the movable frame 3 is pulled out from the storage position within the fixed frame 1 and then lowered, both torsion springs 52 of the weight reduction device 32 are gradually compressed, as shown by chain lines in FIG. , the weight of the movable frame body 3 side including the movable frame body 3 is reduced. Therefore, also in the elevating shelf of this embodiment, the movable frame 3 can be easily raised and lowered along the front surface of the fixed frame 1 with a light force.

Furthermore, in this embodiment, even when the movable frame 3 is raised, as shown in FIG. Therefore, over the entire length of the lifting range of the movable frame 3,
A sufficient weight reduction effect can be expected. moreover,
In this embodiment, as shown by the chain line in FIG.
The movable frame 3 is placed in the lowered position in front of the fixed frame 1! When the torsion springs 52 are pressed, both torsion springs 52 are compressed and hidden behind the movable frame 3, so that it is possible to prevent the appearance from being spoiled due to exposure of the torsion springs 52.

Note that although the double swing springs 52 are wound in the same direction, they are used in opposite directions, so that the arm portions on both sides of the wound portion 52a do not interfere with each other.

Next, a third embodiment shown in FIGS. 13 and 14 will be described. This embodiment also differs from the first embodiment in the structure of the weight reduction device 32.

That is, the pair of support plates 54 are attached to the top inner surface of the fixed frame 1 so as to be located behind the movable frame 3, and first and second fixed pulleys 55 and 56 are rotatably attached to each support plate 54. Supported. A pair of movable plates 57 are disposed within the fixed frame 1 in correspondence with each support plate 54, and a movable pulley 58 is rotatably supported by each movable plate 57. pair of wires 59
is fixed to the movable plate 57 at one end, and includes the first fixed pulley 55, movable pulley 58, second fixed pulley 56, and an eleventh ring supported on both sides of the rear inner surface of the fixed frame 1 via support plates 60. 61, the 21st-li 63 supported on both sides of the bottom inner surface of the fixed frame 1 via the support plate 62, and the 2nd horizontal rail 1 for both sides
1, and fixed plates 6 on both outer surfaces of the movable frame 3 at the other end.
It is fixed at 5.

The pair of tension springs 66 are latched to each of the movable plates 57 at their upper ends, and are latched to the bottom inner surface of the fixed frame 1 at their lower ends via a latching plate 67. When the movable frame 3 is pulled out from the storage position in the fixed frame 1 and lowered, the movable frame 3 is moved via the wire 59 by the action of the three pulleys 55, 56, 58 and the wire nodes between them. The plate 57 is reduced to 1/3 of the vertical movement amount of the movable frame 3 and raised,
The movable frame 3 including the movable frame 3 when the tension spring 66 is extended
The side weight is reduced. Therefore, also in the elevating shelf of this embodiment, the movable frame 3 can be easily raised and lowered along the front surface of the fixed frame 1 with a light force.

Further, in this embodiment, even when the movable frame 3 is horizontally moved forward from the storage position within the fixed frame 1, the wire 5
9, the movable plate 57 is raised and the tension spring 66 is gradually expanded. The biasing force of the tension spring 66 allows the movable frame 3 to be moved horizontally with a light force.

Note that the present invention is not limited to the configurations of the embodiments described above, but can be configured as follows.

(1) As shown in FIG. 15, in the weight reducing device 32 having almost the same configuration as the second embodiment, the negative torsion spring 5
The upper end of 2 is attached to the left end of the mounting plate 50 on the rear surface of the movable frame 3, and the lower end is attached to the right side mounting bracket 51 fixed to the right second horizontal rail 11, and the other torsion spring 52 is attached. Attach the upper end to the right end of the mounting plate 50 and the lower end to the left mounting bracket 51.

In the case of this configuration, in comparison with the configuration of the second embodiment shown in FIG. It acts more effectively as a lifting force for the body 3. Therefore, the weight on the movable frame 3 side can be more effectively reduced over the entire length of the vertical range of the movable frame 3.

(2) As shown in FIG. 16, in a weight reducing device 32 having almost the same configuration as the embodiment shown in FIG. The upper ends of both torsion springs 52 are formed to be short and attached to the mounting plate 50 at a position closer to the center than both left and right ends of the movable frame body 3.

(3) In the weight reducing device 32 of the second embodiment shown in FIGS. 11 and 12 or another embodiment shown in FIG. 15 or 16, the pair of left and right second horizontal rails 11 of the horizontal guide device 7 are connected to each other on the rear side of the movable frame 3 by a connecting body 30 as shown in FIG. 9, and the lower ends of both torsion springs 52 are attached to both ends of the connecting body 30.

(4) Sliding guide device in each of the above embodiments! 22, a small chevron-shaped protrusion is provided in place of the recess 28 for positioning the movable frame body in the horizontal part 24 of the guide rail 23 and the recess 29 for holding the movable frame body in the vertical part 25 of the guide rail 23, and the guide roller 26 is configured to be positioned by climbing over this small protrusion.

(5) In the elevating shelf of each of the above embodiments, a pair of double-sided doors are provided on the open portion 2 of the fixed frame 1 or the front surface of the movable frame 3.

(6) Apply this invention to kitchen equipment such as a microwave oven, electric stove, gas stove, or sink! The movable frame 3 may be used as the above-mentioned mounting table, lighting equipment, etc. in this case,
Attach a stretchable flexible power cord or hose that is long enough for the movable range of the movable frame to each appliance, and attach the hose connection part and power outlet to the fixed frame. etc. can be used widely and for multiple purposes. FIG. 17 shows the system kitchen. In this system kitchen,
All the upper shelves are lifts that embody this invention! The fixed frame body 1 constituting the outer frame has a door 41 whose front opening can be opened and closed, and the movable frame body 3 inside is a cupboard 42, a cooking oven 43, a microwave oven, or the like. When the kitchen equipment is used for cooking etc., the door 41 is opened and the necessary movable frame 3 is pulled out downward, and when not in use, it is stored in the fixed frame 1 and the door 41 is closed. . Therefore,
With this configuration, there is no need to prepare a stand for installing an oven or the like, and the inside of the kitchen can be used widely and effectively.

(7) To embody this invention in an entrance storage where shoe hats are stored. In this way, the space above the entrance can be used to make the entrance wider and more effective.

(8) In the above practical example, the guide rails 23 are provided on the fixed frame 1 and the guide rollers 26 are provided on the movable frame 3, but these may be reversed. In FIG. 18(a), a guide rail 23 is provided on the upper outer surface of the movable frame 3, and a guide roller 26 is provided on the upper inner surface of the fixed frame 1. In FIG. 18(b), a guide rail 23 is provided on the lower surface of the movable frame 3, and a guide roller 2
6 is provided outside the lower part of the fixed frame 1. Figure 18 (C
), a guide rail 26 is provided on the lower outer surface of the movable frame 3, and a guide roller 26 is provided on the lower outer side of the fixed frame 1.

[Effect of the invention] Since this invention is configured as explained above,
It has the following effects.

(1) There is no need to provide a large dead space between the fixed frame and the movable frame, the movable frame can be formed to have almost the same dimensions as the fixed frame, and space can be used effectively. can.

(2) It is possible to take a large lifting stroke between the storage position and the pull-out position of the movable frame, and the movable frame can be fully pulled out and lowered to a low position, and the movable frame can be moved to a low draw-out position. It can be used conveniently when placed.

(3) The amount of forward protrusion of the fixed frame when the movable frame is pulled out is reduced, making it easier to insert and remove the movable frame without having to secure a large space in front of the fixed frame. can.

(4) The movable frame can be moved in and out smoothly by the guiding action of the rail, and the weight of the movable frame including the movable frame is reduced, making it possible to easily raise and lower the movable frame with a light force. can.

[Brief explanation of drawings]

FIG. 1 shows the first part of the elevating shelf embodying the elevating device of the present invention.
This is an enlarged sectional view taken along the line A-A in Figure 2, which shows the embodiment, Figure 2 is a front view of the lifting shelf, Figure 3 is a side view of the lifting shelf, and Figure 4 shows the movable frame as shown in Figure 1. 5 is a partially enlarged sectional view taken along line B-B in FIG. 1, FIG. 6 is a partially enlarged sectional view taken along line C-C in FIG. 1, and FIG. FIG. 8 is a partially enlarged sectional view taken along line D-D in FIG. 2, FIG. 8 is a partial sectional view corresponding to FIG. 7 when the movable frame is pulled out, and FIG. 9 is a cross-sectional view taken along line E-E in FIG. 10 is a partial sectional view corresponding to FIG. 9 in a state in which the movable frame body is pulled out, FIG. 11 is a sectional view showing a second embodiment of the elevating shelf embodying the present invention, and FIG. 11 is a sectional view taken along line F-F in FIG. 11, FIG. 13 is a sectional view showing the third embodiment of the elevating shelf, and FIG.
15 and 16 are sectional views showing a modified configuration of the second embodiment, FIG. 17 is a perspective view showing another system kitchen, and FIG. 18 <a) to ( c)
19 is a side view showing another example, and FIG. 19 is a sectional view showing a conventional elevating shelf. DESCRIPTION OF SYMBOLS 1... Fixed frame body, 2... Opening part, 3... Movable frame body, 4... Movement guide device, 7... Horizontal guide device, 8...
...Vertical guide device, 9...First horizontal rail, 11...
・Second horizontal rail, 16...First vertical rail, 17・
...Second vertical rail, 22...Sliding guide device, 23.
... Guide rail, 26 ... Guide roller, 32 ... Weight reduction device, 33 ... Pantograph-like link mechanism, 3
7... Gas spring, 44... Connection link, 52
...Torsion spring, 55°56...Fixed pulley, 58...
Moving pulley, 66...Tension spring.

Claims (1)

[Claims] 1. A fixed frame (1) having an opening (2) on the front surface, and a movable frame (1) accommodated in the fixed frame (1) so as to be drawable through the opening (2). 3) and the fixed frame (1
) is provided between both inner surfaces of the movable frame (3) and both outer surfaces of the movable frame (3), and a horizontal guide device (7) that guides the horizontal movement of the movable frame (3) and a horizontal guide device (7) that guides the vertical movement of the movable frame (3). A moving guide device (4) formed by combining a vertical guide device (8) for guiding.
The horizontal guide device (7) includes a first horizontal rail (9) attached to the fixed frame (1) and a second horizontal rail (9) horizontally movably connected to the first horizontal rail (9).
11), and the vertical guide device (8) comprises a second
The first vertical rail (16) fixed to the horizontal rail (11)
) and a second vertical rail (17) vertically movably connected to the first vertical rail (16) and attached to the movable frame (3); and the fixed frame (1). and a guide rail (23) provided on either one of the movable frame body (3) to extend substantially parallel to the first horizontal rail (9) of the horizontal guide device (7), and a guide rail (23) provided on the other side to extend substantially parallel to the first horizontal rail (9) of the horizontal guide device (7). A sliding guide device (22) consisting of a guide roller (26) provided to relatively slide on a rail (23); Until it is pulled out from the body (1), the movable frame body (3)
The movable frame body (3) prevents the vertical movement of the second vertical rail (17) of the vertical guide device (8) while guiding the horizontal movement of the movable frame body (3).
When the movable frame (3) is pulled out from the fixed frame (1), vertical movement of the second vertical rail (17) is allowed, and when the movable frame (3) is pulled out from the fixed frame (1). When the second vertical rail (17) of the vertical guide device (8) is allowed to move vertically by the sliding guide device (22), it acts on the movable frame (3) and moves the movable frame (3).
) and a weight reduction device (32) for reducing the weight of the movable frame (3). 2. The weight reducing device (32) includes a pair of left and right second horizontal rails (
11) on the rear side of the movable frame (3) and the upper end of the rear center of the movable frame (3). Link mechanism (
33), a gas spring (37) comprising a cylinder (38) and a piston rod (40), one end of the cylinder (38) being attached to the connecting body (30), and a pantograph-like link mechanism (33). Claim 1 characterized by comprising one link (44) connecting the node closest to the connecting body (30) and the tip of the piston rod (40) of the gas spring (37). Lifting device described in. 3. The weight reduction device (32) is connected to the horizontal guide device (
7) second horizontal rail (11) or a pair of left and right second
At least one torsion spring (52) provided between a connecting body (30) that interconnects the horizontal rail (11) on the rear side of the movable frame (3) and the movable frame (3). The elevating device according to claim 1, characterized in that it is constituted by a device comprising: 4. The weight reducing device (32) is attached to the fixed frame (1)
One or more pulleys (5) are installed between the movable frame (3) and the movable frame (3).
2. Lifting device according to claim 1, characterized in that it is constituted by a device comprising at least one tension spring (66), which is mounted via a lifting spring (5, 56, 58). 5. Between the first horizontal rail (9) and the second horizontal rail (11) of the horizontal guide device (7), there is an intermediate rail (10) operatively connected to both rails (9, 11). 5. The lifting device according to claim 1, further comprising: a. 6. The guide rails (23) of the sliding guide device (22) are attached to both inner surfaces of the fixed frame (1), and
The guide roller (26) of the sliding guide device (22) has an upper horizontal part (24) and a front vertical part (25).
The movable frame body (3) is provided at the upper part of the outer surface of both sides of the movable frame body (3) so as to protrude rearward from the movable frame body (3), and the movable frame body (3) The elevating device according to any one of claims 1 to 5, characterized in that movement of the elevating device in a direction perpendicular to the pulling direction is guided. 7. A movable frame positioning recess (28) into which a guide roller (26) is fitted is provided at the rear end of the horizontal portion (24) of the guide rail (23). 6. The lifting device according to 6. 8. A movable frame holding recess (29) into which a guide roller (26) is fitted is provided at the lower end of the vertical portion (25) of the guide rail (23). Or the lifting device according to 7.