JP2008012242A - Lifting unit - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a lifting unit capable of securing the storage space for a kitchen unit and a sink, and lifting the kitchen unit and the sink, etc. by a simple structure. <P>SOLUTION: The lifting unit 20 comprises: a lower case 31b whose upper side is opened; an upper case 31a whose lower side is opened, and which is attached to the lower case 31b in such a way as slidable in the vertical direction; link mechanisms 40A and 40B attached between the lower case 31b and the upper case 31a; and belts 59a and 59b whose one end is fixed to a take-up roller 53 attached to the lower case 31b to be connected to the connection parts of the link mechanisms 40A and 40B. When the belts 59a and 59b are taken up by the take-up roller 53, the upper case 31a is raised. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a lifting unit that secures a storage space for a system kitchen, a wash basin, and the like, and that can move the system kitchen, a wash basin, etc. up and down with a simple structure.

  Some conventional system kitchens and washstands, etc., are equipped with lifting devices that rotate the screw rods installed in the vertical direction by motor drive so that the upper part of the system kitchen or washstand can be raised and lowered relative to the cabinet body. Yes (see, for example, Patent Document 1).

  Japanese Patent Laid-Open No. 11-76080

However, the lifting devices used in conventional system kitchens and washstands, etc., allow the upper parts of the system kitchen and washstands to be slidable with respect to the cabinet body, and the screw bars installed in the vertical direction are rotated by a motor to drive the upper parts. In order to move up and down, the configuration of the system kitchen and the washstand was complicated, and the mechanism of the lifting device was also complicated. Furthermore, since the lifting device is installed inside the cabinet body, the storage space of the cabinet body may be reduced.
The present invention has been made in view of the above problems, and provides an elevating unit that secures a storage space for a system kitchen, a wash basin, and the like and that can move the system kitchen, the wash basin, etc. up and down with a simple structure. With the goal.

The lifting unit of the present invention includes a lower case opened on the upper side, an upper case opened on the lower side and attached to the lower case so as to be slidable in the vertical direction, and a box is installed on the upper side. A link mechanism attached between the upper case and a belt or a wire fixed at one end to a winding roller attached to the lower case and connected to a connecting portion of the link mechanism; When being wound by the winding roller, the upper case is raised by the link mechanism.
The link mechanism is attached to the inside of the lower case so as to face each other, and one of the belts or wires whose one end is fixed to the take-up roller is connected to a connecting portion of the one link mechanism. The other belt or wire whose one end is fixed to the winding roller is connected to the connecting portion of the other link mechanism.
The belt or the wire is hung by a guide roller attached to the inner side surface of the lower case and a guide roller attached to the connecting portion of the link mechanism after one end is fixed to the winding roller. It was fixed to the inner side surface of the lower case.
Further, the lifting unit of the present invention includes a lower case opened on the upper side, an upper case opened on the lower side and slidably attached to the lower case, and a box is installed on the upper side. A winding roller that is rotated by a drive motor fixed to the case, and a guide roller that has one end fixed to the winding roller and the other end attached to one side of the upper side of the lower case. One belt or wire that is hung on and fixed to the inside of the lower side of the upper case, one end is fixed to the take-up roller, and the other end is an upper side of the lower case. A belt or a wire, which is hung on a guide roller attached to the other side surface and fixed to the other inner side of the lower side of the upper case, and the belt or the wire is wound by the winding roller. When, it was decided to raise the upper case.

The lifting unit of the present invention includes a lower case opened on the upper side, an upper case opened on the lower side and attached to the lower case so as to be slidable in the vertical direction, and a box is installed on the upper side. A link mechanism attached between the upper case and a belt or a wire fixed at one end to a winding roller attached to the lower case and connected to a connecting portion of the link mechanism; Since the upper case is raised by the link mechanism when it is taken up by the take-up roller, a storage space for a box such as a system kitchen or a washstand installed on the upper side is secured, and the system kitchen has a simple structure. Can be easily lifted and lowered to a desired height, and boxes such as existing system kitchens and washstands can be made. Can be used, it may be less expensive the overall cost.
The link mechanism is attached to the inside of the lower case so as to face each other, and one of the belts or wires whose one end is fixed to the take-up roller is connected to a connecting portion of the one link mechanism. The other belt or wire whose one end is fixed to the take-up roller is connected to the connecting portion of the other link mechanism, so that the box body such as a system kitchen or a wash basin can be more reliably and smoothly with a simple structure. Can be raised and lowered to a desired height.
The belt or the wire is hung by a guide roller attached to the inner side surface of the lower case and a guide roller attached to the connecting portion of the link mechanism after one end is fixed to the winding roller. Since it is fixed to the inner side surface of the lower case, a box such as a system kitchen or a washstand can be moved up and down to a desired height more efficiently with a simple structure.
Further, the lifting unit of the present invention includes a lower case opened on the upper side, an upper case opened on the lower side and slidably attached to the lower case, and a box is installed on the upper side. A winding roller that is rotated by a drive motor fixed to the case, and a guide roller that has one end fixed to the winding roller and the other end attached to one side of the upper side of the lower case. One belt or wire that is hung on and fixed to the inside of the lower side of the upper case, one end is fixed to the take-up roller, and the other end is an upper side of the lower case. A belt or a wire, which is hung on a guide roller attached to the other side surface and fixed to the other inner side of the lower side of the upper case, and the belt or the wire is wound by the winding roller. When the upper case is raised, the storage space for the box such as the system kitchen and the wash basin installed on the upper side is secured, and the box such as the system kitchen and the wash basin has a desired height. In addition, it can be easily lifted and lowered, and a box such as an existing system kitchen or a washstand can be used, and the overall cost can be reduced.

  Hereinafter, the lifting unit according to the embodiment of the present invention will be described.

FIG. 1: shows the perspective view when the raising / lowering unit of embodiment of this invention is attached to the system kitchen.
As shown in FIG. 1, the lifting unit 20 according to the embodiment of the present invention is attached to the lower side of the system kitchen 10. The system kitchen 10 includes a sink 13 with a faucet 12 attached around it and a sink 13 for cooking dishes, and a cooking heater 14 attached to the upper portion 11, and an open door 16 for storing objects inside on the front side. Is provided.
The elevating unit 20 according to the embodiment of the present invention can elevate and lower the system kitchen 10 as indicated by an arrow H.

FIG. 2 is a side opening view of the lifting unit according to the embodiment of the present invention.
As shown in FIG. 2, the lifting unit 20 according to the embodiment of the present invention is covered with a lower case 31 b opened on the upper side and an upper case 31 a opened on the lower side and slidably attached to the lower case 31 b. The link mechanism 40A, 40B is mounted between the lower case 31b and the upper case 31a and moves up and down the upper case 31a, and the lift drive unit 50 drives the link mechanisms 40A, 40B up and down.
The link mechanism 40A is attached to the front side between the lower case 31b and the upper case 31a, and the link mechanism 40B is attached to the link mechanism 40A opposite to the rear side between the lower case 31b and the upper case 31a. It has been. In the link mechanism 40A, one end of the upper link bar 41 is rotatably attached to the mounting bracket 43 by a pin 43a, and one end of the lower link bar 45 is rotatably attached by a pin 44a. The other end of the link bar 41 and the other end of the link bar 45 are rotatably attached to each other by a pin 55a. The link mechanism 40B is configured similarly to the link mechanism 40A.
As for the raising / lowering drive part 50, the drive motor 52a is fixed to the bracket 51, and gear 52b, 52c is attached. Gears 52b and 52c meshing with each other are connected to the drive motor 52a, and a take-up roller 53 is fixed to a shaft 53a of the gear 52c, and the take-up roller 53 can be rotated by the drive motor 52a.
One end of one belt 59a is fixed to the winding roller 53, and the belt 59a passes through the lower link bar 45 and is attached to a bracket 57 on the link mechanism 40A side by a pin 54a; Similarly, it is hung on a guide roller 55 attached to a pin 55a on the link mechanism 40A side, passes through the upper link bar 41, and is fixed to a pin 56 fixed to a bracket 57 on the link mechanism 40A side. . Further, the end of the other belt 59b is fixed to the take-up roller 53, and the belt 59b is hung on the guide roller 54 and the guide roller 55 on the link mechanism 40B side similarly to the belt 59a, and the other end is the link mechanism. It is fixed to the pin 56 on the 40B side.

FIG. 3 is an exploded perspective view of a link mechanism attached to the lifting unit according to the embodiment of the present invention.
As shown in FIG. 3, the link mechanism 40 </ b> A attached to the lifting unit according to the embodiment of the present invention includes an upper link bar 41 and a lower link bar 45. The upper link bar 41 is formed in a U-shaped cross section by side plates 42a and 42b and an upper surface plate 42c. The lower link bar 45 is formed in a U-shaped cross section by side plates 46a and 46b and a short upper plate 46c, and an opening 45c through which a belt 59a (see FIG. 2) passes is formed. The interval between the side plates 46 a and 46 b of the link bar 45 is set to be narrower than the interval between the side plates 42 a and 42 b of the upper link bar 41.
As shown by the arrow S, the upper link bar 41 and the lower link bar 45 have pins 55a that pass through holes 45a, 45b, 41a, and 41b as shown by arrows S, and are rotatably attached to each other by the pins 55a. ing.
Since the belt 59a passes through the lower link bar 45 and the opening 46c, and also passes through the upper link bar 41, the lower link bar 45 and the upper link bar 41 interfere with each other. There is no.
The link mechanism 40B is configured similarly to the link mechanism 40A.

FIG. 4 shows a side view when the lifting unit according to the embodiment of the present invention is lifted.
As shown in FIG. 4, in the lifting unit 20 according to the embodiment of the present invention, when the drive motor 52a rotates forward and the winding roller 53 is rotated as indicated by the arrow U, the belt 59a on the link mechanism 40A side is provided. Then, the belt 59b on the link mechanism 40B side is wound up. When the belt 59a is wound, the guide roller 55 on which the belt 59a is hung moves in the horizontal direction as indicated by an arrow L, and the upper link bar 41 and the lower link bar 45 rotate in the vertical direction. The pin 43a rises. Along with the winding of the belt 59a, the belt 59b is also wound, and the guide roller 55 on the side of the link mechanism 40B on which the belt 59b is hung also moves in the horizontal direction as indicated by the arrow R, and the upper link bar on the side of the link mechanism 40B. 41 and the lower link bar 45 rotate in the vertical direction, and the pin 43a on the link mechanism 40B side also rises.
When the pin 43a on the link mechanism 40A side and the pin 43a on the link mechanism 40B side rise by the forward rotation operation of the drive motor 52a, the upper case 31a rises with respect to the lower case 31b and is installed above the lifting unit 20. The system kitchen 10 (see FIG. 1) can be raised. The ascending operation by the elevating unit 20 can be set at an arbitrary position depending on the operating state of the drive motor 52a, or can be set at a predetermined maximum ascending position.

As described above, the lifting unit 20 according to the embodiment of the present invention can secure a storage space for the system kitchen 10 and can easily lift the system kitchen 10 to a desired height with a simple structure.
Moreover, since the raising / lowering unit 20 is installed under the system kitchen 10, the existing system kitchen can be used and the whole cost can also be made low.
In the above-described embodiment, the lifting unit 20 has been described as an example using two right and left link mechanisms. However, a plurality of slide units are provided between the side surfaces of the upper case and the lower case to use the link mechanism. Can also be one.
In the above-described embodiment, the elevating unit 20 has been described with respect to an example in which two right and left link mechanisms are used in which the connecting portions of the upper link bar and the lower link bar face each other. The left and right link mechanisms can be made to face each other.
In the above-described embodiment, the lifting unit 20 has been described with respect to an example in which two right and left link mechanisms are used. However, the elevating unit 20 is not limited to the link mechanism, and may be a pantograph mechanism.
In the above embodiment, the lifting unit 20 has been described with respect to an example using two right and left link mechanisms. However, two right and left link mechanisms are provided in parallel, and two winding rollers are attached to the same shaft. It is also possible to operate two rows of link mechanisms with a drive motor.

FIG. 5: shows the side opening figure of the raising / lowering unit of other embodiment of this invention.
As shown in FIG. 5, the lifting unit 60 according to the embodiment of the present invention is covered with a lower case 61b whose upper side is opened and an upper case 61a which is opened on the lower side and slidably attached to the lower case 61b. The belt-type lifting mechanisms 80A and 80B, which are attached between the lower case 61b and the upper case 61a and raise and lower the upper case 61a, and the drive unit 70 that drives the belt-type lifting mechanisms 80A and 80B.
As for the raising / lowering drive part 70, the drive motor 72a is fixed to the bracket 71, and gear 72b, 72c is attached. Gears 72b and 72c meshing with each other are connected to the drive motor 72a, a winding roller 73 is fixed to the shaft 73a of the gear 72c, and the winding roller 73 can be rotated by the drive motor 72a.
In the belt type lifting mechanism 80A, a belt 89a has one end fixed to the take-up roller 73, and a guide roller 81 attached to a lower side surface of the lower case 61b by a bracket 81b and a pin 81a. On the upper side of the lower case 61b, it is hung on a guide roller 82 attached by a bracket 82b and a pin 82a, and on a pin 83 attached by a bracket 83a on the inner side of the lower side of the upper case 61a. The other end is fixed.
In the belt type lifting mechanism 80B, a belt 89b has one end fixed to the take-up roller 73, and a guide roller 84 attached to the other side of the lower case 61b by a bracket 84b and a pin 84a. On the other side of the upper side of the lower case 61b, it is hung on a guide roller 85 attached by a bracket 85b and a pin 85a, and on a pin 86 attached by the bracket 86a on the other side of the lower side of the upper case 61a. The other end is fixed.

FIG. 6: shows the side view when the raising / lowering unit of other embodiment of this invention raise | lifts.
As shown in FIG. 6, the lifting unit 60 according to the embodiment of the present invention has a belt-type lifting mechanism 80A side when the drive motor 72a rotates forward and rotates the winding roller 73 as shown by an arrow U. The belt 89a and the belt 89b on the belt type lifting mechanism 80B side are wound up. When the belt 89a is wound, the pin 83 is moved in the vertical direction via the guide rollers 81 and 82, and when the belt 89b is wound, the pin 86 is moved in the vertical direction via the guide rollers 84 and 85. To do.
When the pin 83 on the belt type lifting mechanism 80A side and the pin 86 on the belt type lifting mechanism 80B side move in the vertical direction by the forward rotation operation of the drive motor 72a, the upper case 61a rises and moves up and down with respect to the lower case 61b. The system kitchen 10 (see FIG. 1) installed on the upper side of the unit 60 can be raised. The ascending operation by the elevating unit 60 can be set at an arbitrary position depending on the operating state of the drive motor 72a, or can be set at a predetermined maximum ascending position.

As described above, the lifting unit 60 according to another embodiment of the present invention secures a storage space for the system kitchen 10 and can easily lift the system kitchen 10 to a desired height with a simple structure. can do. Moreover, since the raising / lowering unit 60 is installed under the system kitchen 10, the existing system kitchen can be used and the whole cost can also be made cheap.
In the above embodiment, the belt used in the elevating unit 60 has its end fixed to the winding roller 73 and hung on the guide roller 82, but the end is fixed to the winding roller 73 and the upper case 61a. It is possible to use the drive motor more efficiently by hanging on the guide roller provided at the upper end of the roller and then on the guide roller 82.
Further, the elevating unit 60 may be configured to attach the take-up roller 73 at the position of the guide roller 81 or the guide roller 84 without attaching the guide roller 81 or the guide roller 84.
Further, the elevating unit 60 may be configured such that the guide rollers 81 and 84 are not attached, and the belt is hung from the winding roller 73 to the guide roller 82 and the guide roller 85, respectively.

The lifting unit according to the embodiment of the present invention is mounted on the lower side of the box system kitchen, but may be mounted on the lower side of the box body such as a washstand.
Moreover, although the lifting unit of the embodiment of the present invention uses a belt, a wire or the like can be used similarly.

  The perspective view when the raising / lowering unit of embodiment of this invention is attached to the system kitchen is shown.   The side opening figure of the raising / lowering unit of embodiment of this invention is shown.   The disassembled perspective view of the link mechanism attached to the raising / lowering unit of embodiment of this invention is shown.   The side view when the raising / lowering unit of embodiment of this invention raises is shown.   The side opening figure of the raising / lowering unit of other embodiment of this invention is shown.   The side view when the raising / lowering unit of other embodiment of this invention raise | lifts is shown.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 System kitchen 11 Upper part 20, 60 Lifting unit 31a, 61a Upper case 31b, 61b Lower case 40A, 40B Link mechanism 41 Upper link bar 45 Lower link bar 52a, 72a Drive motor 53, 73 Winding roller 59a, 59b, 89a, 89b Belt 54, 55, 81, 82, 84, 85 Guide roller 56, 83, 86 Pin

Claims (4)

  A lower case that is open on the upper side, an upper case that is open on the lower side and is slidably attached to the lower case in a vertical direction, and a box is installed on the upper side; and between the lower case and the upper case A link mechanism to be attached; and a belt or a wire having one end fixed to a winding roller attached to the lower case and connected to a connecting portion of the link mechanism, and the belt or the wire is wound by the winding roller. The lifting unit is configured to raise the upper case by the link mechanism.   The link mechanism is attached to the inside of the lower case so as to face each other, and the one belt or wire whose one end is fixed to the take-up roller is connected to a connection portion of the one link mechanism, 2. The lifting unit according to claim 1, wherein the other belt or wire having one end fixed to the winding roller is connected to a connecting portion of the other link mechanism.   The belt or the wire is hung on a guide roller attached to an inner side surface of the lower case and a guide roller attached to a connecting portion of the link mechanism after one end is fixed to the winding roller. The elevating unit according to claim 1 or 2, wherein the elevating unit is fixed to an inner side surface of the side case.   A lower case opened on the upper side, an upper case opened on the lower side and slidably attached to the lower case and mounted with a box on the upper side, and a drive motor fixed to the lower case. A winding roller that moves, one end of which is fixed to the winding roller, and the other end is hung on a guide roller attached to one side of the upper side of the lower case, One belt or wire fixed to one inner side of the side, one end fixed to the winding roller, and the other end attached to the other side of the upper side of the lower case And the other belt or wire fixed inside the other lower side of the upper case, and when the belt or wire is wound by the winding roller, the upper case is raised Lifting unit for causing.

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