JPH11165990A - Lifting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lifting device that is able to use a pulling cable, and to pliably meet even to a design change after setting up a storage house, and besides, it is mass-producible. SOLUTION: This is a lifting device, being installed in a supporting structural body 10, and for moving a storage means up and down, it is comprised of both first and second guide rails R1 and R2 to be installed in this supporting structural body 10 in the vertical direction so as to be opposed with each other, both first and second carrier plates CP1 and CP2 fixed to this storage means, a driver for winding and delivering both first and second pulling cables 21 and 22, a third pulling cable 23 whose one end is engaged with the first carrier plate CP1, and the other end is engaged with the second carrier plate CP2, and those of first, second and third conduits 31, 32 and 33 where these first, second and third pulling cables 21, 22 and 23 are inserted each free of sliding motion, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lifting device.
More specifically, it is provided on a support structure such as a storage room under the floor having a roughly rectangular parallelepiped skeletal structure, a hanging cabinet, a case,
The present invention relates to an elevating device for vertically moving a storage means such as a shelf.

[0002]

2. Description of the Related Art Wine, sake, shochu, liquor such as plum wine, umeboshi, pickles, etc.
Food, soy sauce, vinegar, edible oil, and other bottled and canned foods that do not need to be refrigerated but need to be stored at relatively low temperatures throughout the year, and canned can be stored under the kitchen floor. Often stored in.

As an example of such a storage, a storage as shown in FIG. 9 is known (Japanese Utility Model Publication No. 3-30498).
No.).

In the case of the storage box 51 shown in FIG. 9, one end is fixed to a driving device 52 so as to be freely wound up and out.
A drive cable 53 made of a rope, a steel cable, or the like is fixed at the other end to the upper part of the structure 50.

[0005] The drive cable 53 is provided on the first cable guides 54 and 55 provided on the structure 50, the second cable guide 56 provided on the lower part of the first case C1, and provided on the upper part of the first case C1. Third cable guide 5
7, a fourth cable guide 58 and 59 provided below the second case C2 telescopically provided in the first case C1, and a fifth cable guide 60 provided above the first case C1. , And a sixth cable guide 61 provided at a lower portion of the first case C1.

The conventional storage shown in FIG. 9 has a configuration in which the drive unit 52 is installed on the ground, and the installation position of the drive unit 52 differs depending on the floor and underfloor structure of the house where the storage is installed. It is not determined uniformly, and the drive cable 53 is routed after the drive device 52 is fixed to the ground. For this reason, there is a problem that such a conventional storage cannot not only be mass-produced, but also cannot be changed once installed, such as increasing the capacity of the storage.

On the other hand, FIGS. 10A and 10B and FIG.
1, two guide rails 71 extending in the vertical direction,
A hanging cabinet S having a substantially rectangular parallelepiped outer shape slidably supported by the guide rail 71 is shown (Utility Model Registration No. 2506308). This suspended cabinet S is
2 is connected at one end and driven up and down by a geared cable 73 (see FIG. 10B) inserted into a rigid pipe 74. In this case, there is a problem that the degree of freedom in arranging the geared cable is low because the rigid pipe 4 is guided inside the rigid pipe 4 to secure the buckling strength.

An object of the present invention is to solve the above-mentioned conventional problems, to be able to use a pull cable, to flexibly cope with a design change after the storage is installed, and to mass-produce. It is to provide a lifting device.

[0009]

An elevating device according to the present invention is provided on a support structure having a substantially rectangular parallelepiped skeletal structure, and is an elevating device for vertically moving a storage means. First and second guide rails vertically disposed so as to face each other, and first and second guide rails slidably fitted into the first and second guide rails, respectively, fixed to the housing means. A drive device for winding and feeding out a two-carrier plate and first and second pulling cables, comprising a cylindrical drum rotated by an electric motor, and a casing for rotatably housing the drum. Device, one end of which is engaged with the first carrier plate via the lower end of the first guide rail, and the other end of which is engaged with the second carrier plate via the upper end of the second guide rail First, second and third conduits, one end of the first pull cable, into which the inserted third pull cable, the first pull cable, the second pull cable, and the third pull cable are respectively slidably inserted. Is engaged with the drum, the other end of the first pulling cable is engaged with the first carrier plate via the upper end of the first guide rail, one end of the second pulling cable is engaged with the drum, The other end of the second pull cable is engaged with the second carrier plate via the lower end of the second guide rail, one end of the first conduit is fixed to the casing, and the other end of the first conduit is connected to the first guide. The cable is fixed to guide means provided at the upper end of the rail for guiding the cable in a predetermined direction.
One end of the conduit is fixed to the casing, the other end of the second conduit is fixed to guide means provided at the lower end of the second guide rail, and one end of the third conduit is provided at the lower end of the first guide rail. And the other end of the third conduit is fixed to a guide provided at the upper end of the second guide rail.

[0010] Further, one end of the second conduit is fixed to a casing, the other end of the second conduit is fixed to guide means provided at the upper end of a second guide rail, and one end of the third conduit is connected to the first conduit. The third conduit may be fixed to a guide provided at an upper end of the first guide rail, and the other end of the third conduit may be fixed to a guide provided at an upper end of the second guide rail.

Further, one end of the first conduit is fixed to a casing, and the other end of the first conduit is provided at a lower end of the first guide rail to guide means for guiding a cable in a predetermined direction. One end of the third conduit is fixed to guide means provided at the lower end of the first guide rail,
The other end of the third conduit may be fixed to a guide provided at a lower end of the second guide rail.

[0012] The first and second guide rails, the first and second carrier plates, a driving device,
It is preferable that two sets of the first, second and third pull cables and the first, second and third conduits are provided.

[0013] Further, the support structure may be a storage provided under the floor, and the storage means may be provided in the storage so as to be able to move up and down.

Further, the supporting structure may be a hanging cabinet, and the storage means may be a shelf provided on the hanging cabinet so as to be movable up and down.

Further, a sensor for detecting a positional relationship between the first and second guide rails and the accommodation means can be provided on the first and second carrier plates.

Further, the sensor may comprise a detecting means provided on the carrier plate and a plurality of detected means provided on the guide rail along the moving direction of the carrier plate.

Further, the drive device may include a detected means for rotating together with the output shaft of the electric motor, and a rotation amount detecting means for detecting a rotation amount of the detected means.

Further, the detection means is a disk-shaped member made of a magnetic material, the rotation amount detection means is a proximity switch, and a plurality of slits are formed along the circumference of the disk-shaped member. Can be established.

[0019]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lifting device according to the present invention.

FIG. 1 is a perspective view showing an example of an elevating device according to an embodiment of the present invention, FIG. 2 is an explanatory view showing a wiring structure of a pull cable of the device of FIG. 1, and FIG. 3 is an apparatus of the present invention. FIG. 4 is an explanatory view showing another example of the sensor unit which can be employed in the apparatus of the present invention. FIG. 5 is a perspective view showing an example of the driving unit in FIG. FIG. 6 is a perspective view before assembling showing another example of the drive unit in FIG. 1, FIG. 7 is an explanatory view showing another example of a pull cable that can be employed in the apparatus of the present invention, and FIG. FIG. 8 is a sectional view taken along line VIII-VIII.

Referring to FIGS. 1 and 2, an apparatus 1 according to the present embodiment is an elevating apparatus for vertically moving a storage means A, and has a substantially rectangular parallelepiped skeletal structure 10a, 1b.
0b and 10c are provided on the support structure 10.

The support structure 10 has first and second guide rails R which are vertically disposed so as to face each other.
1 and R2 and the first and second guide rails R
First and second carrier plates CP1 and CP2, which are slidably fitted in the first and second carrier plates R2 and R2, respectively, and are fixed to the storage means A by a method such as screwing.
A drive device 40 for winding and unwinding the cables 21 and 22 has one end engaged with the first carrier plate CP1 via the lower end of the first guide rail R1, and the other end connected to the second guide rail R2. Second through the upper end
The third pulling cable 23 engaged with the carrier plate CP2, the first pulling cable 21, and the second pulling cable 22
And a third pulling cable 23 are slidably inserted into the first, second and third conduits 31, 32 and 33, respectively.

The driving device 40 comprises a cylindrical drum D rotated by an electric motor M, and a casing C for rotatably housing the drum D (see FIG. 5). In the present embodiment, the driving device 40 is disposed at the bottom of the support structure 10. However, the drive device 40 is also provided on the side surface of the support structure 10 or on the upper surface of the support structure 10 as shown in FIGS. Can be arranged.
The driving device 40 may be in a state where it is not fixed to the support structure 10 (a state in which the driving device 40 is in the middle).

One end of the first pulling cable 21 is engaged with the drum D, and the other end of the first pulling cable 21 is engaged with the first carrier plate CP1 via the upper end of one guide rail R1.

One end of the second pulling cable 22 is engaged with the drum D, and the other end of the second pulling cable is engaged with the second carrier plate CP via the lower end of the second guide rail R2.

One end of the first conduit 31 is fixed to the casing C, and the other end of the first conduit 31 is provided at an upper end of the first guide rail R1 for guiding a cable in a predetermined direction. It is fixed to.

One end of the second conduit 32 is fixed to the casing C, and the other end of the second conduit 32 is fixed to guide means G provided at the lower end of the second guide rail R2.

One end of the third conduit 33 is connected to the first guide rail R
The other end of the third conduit 33 is fixed to the guide means G provided at the upper end of the second guide rail R2. As the guide means G,
Although a pulley is preferably used, it is only necessary to have a surface having a gentle radius of curvature, and it is not particularly limited to a pulley.

As shown in FIG. 1, first and second guide rails R1 and R2, first and second carrier plates CP1 and CP2, driving device 40, first, second and third pulling cables. 22, 22, and 23
And two sets of the first, second, and third conduits 31, 32, and 33 are preferable because the load of the storage means A and the weight of the goods stored in the storage means A can be shared by the two drive means 40. . However, the first and second guide rails R1 and R2, the first and second carrier plates CP1 and CP2, the driving device 40,
Second and third pull cables 22, 22, and 23;
The first, second and third conduits 31, 32 and 33 are connected to one
It is of course also possible to provide only one set, in which case the first of the opposing surfaces of the support structure 10
The guide rail R1 and the second guide rail R2 may be provided on the other side, and the guide rails R1 and R2 and the housing means A may be screwed.

The support structure 10 can be a storage provided below the floor of a house. In this case, the storage means A can be a case provided in the storage so as to be able to move up and down. Further, the support structure 10 may be a hanging cabinet. In this case, the storage means A can be a shelf that is provided on the hanging cabinet so as to be able to move up and down.

As shown in FIG. 3, a sensor S for detecting the positional relationship between the first and second guide rails R1 and R2 and the accommodation means A is provided on the first and second carrier plates CP1 and CP2. Can be. The sensor S includes a reflection type photoelectric switch OP functioning as a detecting unit, and a guide rail R1 functioning as a detecting unit.
And the reflection tape T provided on R2.

A transmission type photoelectric switch ST (see FIG. 4 (b)) as shown in FIG.
Slit plate S provided on guide rails R1 and R2
L (see FIG. 4A). In this case, as shown in FIG. 4C, the light emitting units LE and LR are disposed so as to sandwich the slit plate SL.

It is also possible to provide a detecting means which rotates together with the output shaft of the electric motor M of the driving device 40, and a rotation amount detecting means for detecting the rotation amount of the detecting means (see FIG. 6).

In this case, the means to be detected is a disk-shaped member PL made of a magnetic material, the rotation amount detecting means is a proximity switch PD, and a plurality of slits are provided along the circumference of the disk-shaped member PL. SL is drilled.

When a sensor is provided as shown in FIGS. 3, 4 and 6, the detecting means reads a lifting signal from the lifting switch SW (see FIG. 2) and a change in the tape T or slit SL which is the means to be detected. The stop positions of the first and second carrier plates CP1 and CP2 are controlled by comparing the generated pulse signals with the pulse signals thus generated.

[0036]

According to the apparatus of the present invention, it is possible to provide a lifting apparatus which can use a pull cable, can flexibly cope with a design change after the storage is installed, and can be mass-produced. it can.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an example of a lifting device according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a routing structure of a pull cable of the apparatus of FIG. 1;

FIG. 3 is an explanatory diagram illustrating an example of a sensor unit that can be employed in the device of the present invention.

FIG. 4 is an explanatory diagram showing another example of a sensor unit that can be employed in the device of the present invention.

FIG. 5 is a perspective view showing an example of a driving unit in FIG. 1 before assembly.

FIG. 6 is a perspective view showing another example of the driving unit in FIG. 1 before assembly.

FIG. 7 is an explanatory diagram showing another example of a pull cable that can be employed in the device of the present invention.

8 is a sectional view taken along line VIII-VIII in FIG.

FIG. 9 is an explanatory view showing an example of a conventional storage.

FIG. 10 is an explanatory view showing an example of a conventional hanging cabinet.

FIG. 11 is an explanatory view showing a driving mechanism of the hanging cabinet of FIG. 10;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device 10 Support structure 10a, 10b, 10c Skeletal structure 21 1st pulling cable 22 2nd pulling cable 23 3rd pulling cable 31 1st conduit 32 2nd conduit 33 3rd conduit 40 Drive device A accommodation means R1 1st guide Rail R2 Second guide rail CP1 First carrier plate CP2 Second carrier plate

Claims (10)

[Claims] 1. A lifting device provided on a support structure having a substantially rectangular parallelepiped skeletal structure, for vertically moving a storage means, wherein the lifting device is disposed on the support structure in a vertical direction so as to face each other. First and second guide rails, first and second carrier plates fixed to the housing means, and first and second pulling cables slidably fitted in the first and second guide rails, respectively. Winding up
A drive device for performing a feeding operation, the drive device including a cylindrical drum rotated by an electric motor and a casing rotatably accommodating the drum, one end of which is provided via a lower end of the first guide rail. A third pulling cable, the first pulling cable, the second pulling cable and a third pulling cable engaged with the first carrier plate and having the other end engaged with the second carrier plate via the upper end of the second guide rail. Pull cables are slidably inserted respectively,
First, second, and third conduits, one end of the first pull cable is engaged with the drum, and the other end of the first pull cable is engaged with the first carrier plate via the upper end of the first guide rail. And one end of the second pull cable is engaged with the drum, the other end of the second pull cable is engaged with the second carrier plate via the lower end of the second guide rail, and one end of the first conduit is provided. Is fixed to a casing, the other end of the first conduit is fixed to a guide means provided at an upper end of the first guide rail for guiding a cable in a predetermined direction, and one end of the second conduit is fixed to the casing. And the other end of the second conduit is fixed to guide means provided at the lower end of the second guide rail, and one end of the third conduit is connected to guide means provided at the lower end of the first guide rail. Fixed in the third conduit Lifting device, characterized in that the end is fixed to the guide means provided at the upper end of the second guide rail. 2. One end of the second conduit is fixed to a casing, the other end of the second conduit is fixed to guide means provided at the upper end of a second guide rail, and one end of the third conduit is A lifting device fixed to a guide means provided at an upper end of a first guide rail, and the other end of the third conduit is fixed to a guide means provided at an upper end of a second guide rail. 3. One end of the first conduit is fixed to a casing, and the other end of the first conduit is provided at a lower end of a first guide rail for guiding means for guiding a cable in a predetermined direction. One end of the third conduit is fixed to guide means provided at the lower end of the first guide rail, and the other end of the third conduit is fixed to guide means provided at the lower end of the second guide rail. An elevating device characterized by being made. 4. The first and second guide rails, first and second carrier plates, a driving device,
Second and third pull cables, first, second and third cables.
4. The apparatus according to claim 1, wherein two sets of conduits are provided.
The lifting device as described. 5. The lifting device according to claim 1, wherein the supporting structure is a storage provided under the floor, and the storage means is a case provided in the storage so as to be able to move up and down. 6. The lifting device according to claim 1, wherein the supporting structure is a hanging cabinet, and the storage means is a shelf provided on the hanging cabinet so as to be able to move up and down. 7. A sensor for detecting a positional relationship between said first and second guide rails and a housing means is provided in said first and second guide rails.
7. The lifting device according to claim 1, wherein the lifting device is provided on the second carrier plate. 8. The elevating device according to claim 7, wherein the sensor comprises a detecting means provided on the carrier plate and a plurality of detected means provided on a guide rail along a moving direction of the carrier plate. 9. The apparatus according to claim 1, wherein the driving device includes a detection unit that rotates together with an output shaft of the electric motor, and a rotation amount detection unit that detects a rotation amount of the detection unit.
The lifting device according to 3, 4, 5 or 6. 10. The detecting means is a disk-shaped member made of a magnetic material, the rotation amount detecting means is a proximity switch, and a plurality of slits are formed along a circumference of the disk-shaped member. The lifting device according to claim 9, wherein the lifting device is provided.