JP2008178438A - Vertically lifting shelf - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vertically lifting shelf 1 solving a problem of a conventional vertically lifting shelf 1 which has a vertically lifting function alone, is usable at its lower limit position, and is non-fixable at the midway position, and being used at a relatively upper position by fixing and stabilizing a shelf board 7 at a position midway through the lifting. <P>SOLUTION: This vertically lifting shelf 1 includes the shelf board 7, a shelf board support means 8 for liftably/lowerably supporting the shelf board 7, a lift energization means 9 energizing the shelf board 7 in the lifting direction, and an upper/lower limit positions fixing means for fixing the shelf board 7 at the upper/lower limit positions, and further provided with middle shelf stopper means 33 capable of fixing the shelf board 7 at an intermediate position between the upper limit position and the lower limit position, wherein the middle shelf stopper means 33 consists of a stopper, a stopper fixing implement 36 for fixing the stopper, and a stopper support pipe 35 for supporting the stopper. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an up-and-down elevator shelf used in combination with a hanging cabinet of a kitchen, and more particularly to an up-and-down elevator shelf that can fix a shelf plate in the middle of the up-down direction.

  Conventionally, an up-and-down lift shelf used in combination with a hanging cabinet of a kitchen or the like is known. For example, a shelf that can slide in the vertical direction is provided on the external lower surface of the hanging door shelf main body, the front end of this shelf is substantially flush with the front end of the hanging door shelf, the width is substantially the same, and a light projecting portion and a recess are provided. Are known (see Patent Document 1).

In addition, the present applicants have already filed an application in which a load adjustment weight that can be changed according to the size of the shelf board is provided in the elevating type mounting shelf (Japanese Patent Application No. 2005-203501).
JP-A-2005-144404

  The conventional up-and-down lift shelf has only the up-and-down lift function, and even if it can be used at its lower limit position, it cannot be fixed in the middle and is not stable. There was a problem that it was not possible. An object of the present invention is to solve this conventional problem, and it is an object to realize a vertical elevating shelf that can be used relatively upward by fixing a shelf plate at a position in the middle of elevating. To do.

  In order to solve the above-described problems, the present invention provides a shelf plate, a shelf plate support unit that supports the shelf plate so as to be movable up and down, an upward biasing unit that biases the shelf plate in the upward direction, and an upper limit of the shelf plate. Upper and lower elevating shelves with upper and lower limit position fixing means for fixing at a position and a lower limit position, comprising a middle stage stopper means that can fix the shelf plate between the upper limit position and the lower limit position, the middle stage stopper means, There is provided an up-and-down lift shelf comprising a stopper fixture for fixing a stopper and a stopper support pipe for supporting the stopper.

  In the above-mentioned up-and-down lift shelf, the shelf support means comprises a slide rail for supporting the shelf plate so as to be movable up and down, and a movable frame connected to the movable rail of the slide rail and moving up and down a predetermined stroke together with the movable rail, The stopper support pipe may be fixed to the movable frame and move up and down together with the movable frame.

  In the upper and lower lift shelves, the stopper may be fixed to the stopper support pipe so as to be rotatable, and the stopper may be fitted and fixed to the stopper fixture by rotating the stopper.

  According to the cabinet according to the present invention, the shelf board of the up-and-down lift shelf can be fixed and stabilized very easily by the stopper at an intermediate position in the middle of the lift, so that the shelf board can be used relatively upward. it can.

  Hereinafter, the best mode for carrying out an up-and-down lift shelf according to the present invention will be described based on examples with reference to the drawings.

  1-4, 7 is a figure explaining the Example of the up-and-down raising / lowering shelf of this invention, and FIG. 5, 6 is a figure explaining the effect | action of this Example typically. In this embodiment, the up-and-down lifting shelf 1 of the present invention is combined with a hanging cabinet 2 of a kitchen. The hanging cabinet 2 includes left and right side plates 3, a bottom plate 4 fixed between the left and right side plates 3, a top plate 5, a back plate 6, and a front door. Note that the front door is not shown here for the convenience of describing the configuration of the upper and lower lifting shelf 1.

  The vertical elevating shelf 1 includes a shelf support means 8 that supports the shelf 7 so as to freely move up and down, an upward biasing means 9 that biases the shelf 7 in the ascending direction, and the shelf board 7 with an upper limit position and a lower limit position. And upper / lower limit position fixing means for fixing each.

  The shelf support means 8 is a means for supporting the shelf 7 so that it can be moved up and down in the vertical direction below the hanging cabinet 2. The shelf support means 8 includes a slide rail 10 provided so as to extend in the vertical direction, a movable frame 11 slidable in the vertical direction by the slide rail 10, and an upper end fixed to the movable frame 11 and extending vertically downward. A pair of left and right guide rods 12 are provided.

  The slide rail 10 includes a fixed rail 13 and a movable rail 14 that can slide with respect to the fixed rail 13. The fixed rail 13 is fixed to a rail mounting plate 16 attached to the back plate 6 (or the wall surface 15 in the case of the hanging cabinet 2 without the back plate 6). Instead of the slide rail 10, a linear sliding bearing (not shown) may be used, and the movable frame 11 may be attached to the movable part.

  A movable frame 11 is attached to the front surface of the lower end portion of the movable rail 14. The movable frame 11 includes a vertical surface 17, an upper end surface 18 and a lower end surface 19, and has a substantially U-shaped cross section.

  A fixed frame 20 having an L-shaped cross section is fixed to the back plate 6 horizontally. A pair of left and right rod holders 21 are attached to the fixed frame 20. The pair of left and right guide rods 12 pass through the pair of left and right rod holders 21 and are slidably guided by the pair of left and right rod holders 21.

  The guide rod 12 extends through the rod holder 21 and further extends downward from the gap 22 between the back plate 6 and the bottom plate 4 (or through the through hole formed in the back plate 6). Further, the shelf board 7 is fixed. Therefore, the movable frame 11, the guide rod 12, and the shelf board 7 can be moved up and down integrally by the slide rail 10.

  In addition, in the center part of the rear edge of the shelf board 7, as shown in FIG. 1, FIG. 4 (a), (b), and FIG. 7 (a), the recessed part 7 'toward the inner side (front) is formed. ing. In this recess 7 ', a locking portion 43 of a stopper fixture 36, which will be described later, enters, and the shelf 7 is as shown in FIGS. 2, 4 (a), (b) and 7 (a). Even in the stowed state placed at the upper limit position, the engaging portion 43 does not hit the shelf plate 7 and does not get in the way. Further, a grip handle 23 is provided on the lower surface of the shelf board 7 for the user to operate the shelf board 7 in the vertical direction.

  The upward biasing means 9 is a means for biasing the shelf board 7 in the upward direction, and a constant load spiral spring 24 is provided as this means. The constant load spiral spring 24 is fixed to the back plate 6 via a spring support bracket 25. A strip-shaped spring piece 26 of the constant load spiral spring 24 is wound around a spring shaft 27 pivotally supported by the spring support bracket 25 so as to be wound and fed out. The movable frame 11 is fixed to the lower end of the belt-like spring piece 26.

  A weight balance 28 is attached to the movable frame 11 so as to balance the elastic force of the constant load spiral spring 24. With such a configuration, when the user uses the shelf board 7, as shown in FIG. 3, the shelf board 7 can be pulled lightly downward by the grip handle 23. Stop in position.

  When the user lifts and lifts the shelf 7 when not in use, the constant load spiral spring 24 functions as the lifting biasing means 9 that biases the shelf 7 in the upward direction, and can lift it lightly. It becomes possible.

  The upper and lower limit position fixing means includes an upper limit position fixing means and a lower limit position fixing means. The lower limit position fixing means is a means for restricting the lower limit position when the shelf board 7 is lowered and positioning the shelf board 7 so as not to roll. The specific configuration of the lower limit position fixing means is as follows.

  As shown in FIGS. 2 and 3, a pair of left and right rubber stoppers 29 are provided on the upper end surface 20 ′ of the fixed frame 20, and when the movable frame 11 is lowered, The movable frame 11 is stopped by impingement. Thereby, the lower limit position of the shelf board 7 is regulated. A positioning socket 30 is attached to the upper surface of the rod holder 21 in front of the guide rod 12. When the movable frame 11 is lowered, the positioning pins 31 attached to the lower surface of the movable frame 11 are attached. Accept and position shelf 7 at the lower limit position.

  In the upper limit position fixing means, the position where the strip-shaped spring piece 26 of the constant load spiral spring 24 is wound around the spring shaft 27 pivotally supported by the spring support bracket 25 becomes the upper limit position of the movable frame 11. The spring support bracket 25 is provided with a rubber stopper 32, and the upper end surface 18 of the movable frame 11 comes into contact with the rubber stopper 32 at the upper limit position to stop the movable frame 11. As a result, the upper limit position of the shelf board 7 is regulated. Note that sliding of the movable rail 14 is restricted at the upper end of the fixed rail 13, and the upper limit position of the shelf board 7 is also restricted.

  In the up-and-down lift shelf 1 configured as described above, the present invention is characterized in that it includes a middle stage stopper means 33 that can fix the shelf 7 between the upper limit position and the lower limit position. The middle stopper means 33 includes a stopper 34, a pair of left and right stopper support pipes 35 that support the stopper 34, and a stopper fixture 36 that fixes the stopper 34.

  The pair of stopper support pipes 35 are arranged in the widthwise inner side of the pair of guide rods 12 and in the gap 22 between the back plate 6 and the bottom plate 4 in the vertical direction. The upper ends of the pair of stopper support pipes 35 are fixed to the lower end surface 19 of the movable frame 11, and the lower ends are fixed to the shelf plate 7. A stopper support 37 is fitted to each of the pair of guide rods 12 and is attached by screws 38 so that the attachment position can be adjusted in the vertical direction along the guide rod 12.

  The stopper 34 includes a pair of left and right side portions 39 and a bridging portion formed of a metal or plastic having a generally gate-shaped strength, which includes a bridging portion 40 connecting the pair of side portions. The ends of the pair of side portions 39 have a pair of bent portions 41 that face each other. In addition, a protrusion 45 that protrudes horizontally toward the front is formed at the center of the bridging portion 40.

  The pair of bent portions 41 are attached to the stopper support 37 so as to be rotatable from the side, whereby the stopper 34 is rotatable with respect to the guide rod 12. In a state where the stopper 34 is suspended from the stopper support 37 without using the stopper 34 (see FIGS. 1 and 3), when the shelf board 7 is raised and lowered, the gap 22 between the rising back plate 6 and the bottom plate 4 is It is configured to pass along with the stopper support pipe 35.

  The stopper fixture 36 includes a mounting plate 42 fixed to the wall surface 15 and a locking portion 43 provided on the mounting plate 42 at a position directly below the bottom plate 4. Although not shown, the mounting plate 42 may be configured integrally with the rail mounting plate 16. The locking portion 43 is formed of an elastic metal material or resin material, and has a concave portion 44 for allowing the protrusion 45 of the bridging portion 40 of the stopper 34 to be fitted in and detached (engaged / removable) (see FIG. 6 (b) and (c)).

(Modification)
FIG.7 (b) shows the modification 1 of the Example of this invention. In the first modification, the upper limit position of the shelf plate 7 is set below the locking portion 43 of the fixture 36, so that the locking portion 43 is placed even when the shelf plate 7 is placed in the upper limit position. In this configuration, the shelf board 7 is not hit.

(Modification 2)
FIG.7 (c) shows the modification 2 of the Example of this invention. In the second modification, the stopper 34 is disposed between a pair of left and right stopper support pipes 35, the stopper bent portion 41 is bent inward, and is supported from the outside by a support 37. It is a thing. The screw 38 of the support tool 37 is configured to be screwed from the outside of the support tool 37.

(Function)
As described above, FIGS. 5 and 6 are diagrams schematically illustrating the operation of the vertical elevating shelf 1 of the present invention (a diagram illustrating mainly the portion necessary for the description of the operation), and the hanging cabinet 2 It is a perspective view of the state which omitted (removed) the front door. With reference to FIGS. 1-4, FIG. 7 (a) and FIG. 5, 6, the effect | action of the up-and-down lifting shelf 1 is demonstrated. 2, FIG. 4 (a), (b), and FIG. In this state, the shelf board 7 is in a position immediately below the lower surface of the bottom plate 4 of the hanging cabinet 2.

  When the shelf board 7 is used at the lower limit position as shown in FIGS. 3 and 5B, the user holds the grip handle 23 and fixes it against the elasticity of the constant load spiral spring 24. The lower end surface 19 of the frame 20 is pulled down until it comes into contact with the rubber stopper 29, and the positioning pin 31 is fitted into the positioning socket 30.

  At the lower limit position of the shelf board 7, the shelf board 7 is positioned by fitting the positioning pin 31 into the positioning socket 30, and the weight of the balance weight 28 acts on the elasticity of the constant load spiral spring 24. And never go back up.

  When using the shelf 7 at the intermediate position between the upper limit standing position and the lower limit position, the user changes from the lower limit position state of FIGS. 3 and 5 (b) to the intermediate position state shown in FIG. 6 (a). The shelf board 7 is lifted and lifted using the elastic force of the constant load spiral spring 24.

  6 (a) and 6 (b), with the shelf 7 raised to the intermediate position, the stopper 34 is rotated upward about the stopper support 37, and the bridging portion Forty protrusions 45 are fitted into the recesses 44 of the locking portions 43. Thereby, the stopper 34 can be fixed to the stopper fixture 36.

  In this intermediate position state, even if a heavy object is placed on the shelf board 7, the shelf board 7 does not descend, and the shelf board 7 does not rise due to the elasticity of the constant load spiral spring 24. 7 can be used in a stable state.

  When changing or adjusting the height of the intermediate position of the shelf 7, the screw 38 is loosened, the stopper support 37 is moved along the guide rod 12, the mounting position is adjusted in the vertical direction, and the screw 38 is fixed. . In this way, if the stopper 34 is fixed below or above the stopper support pipe 35 by the stopper support 37, the intermediate position of the shelf plate 7 can be set above or below.

  As mentioned above, although the best form for implementing the up-and-down raising / lowering shelf which concerns on this invention was demonstrated based on the Example, this invention is not limited to such an Example, It is described in a claim It goes without saying that there are various embodiments within the scope of technical matters.

  The up-and-down lift shelf which concerns on this invention which consists of the above structure is applicable not only to the hanging cabinet of a kitchen but the hanging cabinet of a washroom, and other various hanging cabinets and cabinets.

It is a perspective view of the Example of the up-and-down raising / lowering shelf which concerns on this invention. The shelf board of the Example of the up-and-down raising / lowering shelf which concerns on this invention is a front view in an upper limit position. The shelf board of the Example of the up-and-down raising / lowering shelf which concerns on this invention is a front view in a minimum position. (A) is a side view of the Example of the up-down raising / lowering shelf based on this invention, (b) is the principal part enlarged view. It is a figure explaining the use condition of the Example of the up-and-down raising / lowering shelf which concerns on this invention. It is a figure explaining the use condition of the Example of the up-and-down raising / lowering shelf which concerns on this invention. (A) is a figure explaining the principal part of the Example of the up-and-down raising / lowering shelf which concerns on this invention, (b), (c) is a figure explaining the modifications 1 and 2 of the Example of this invention.

Explanation of symbols

1 Up and down shelf
2 Kitchen cabinets
3 Left and right side panels of the hanging cupboard
4 Bottom plate of hanging cupboard
5 Top panel of hanging cupboard
6 Backboard of the hanging cupboard
7 Shelf 7 'Recess of shelf
8 shelf support means
9 Ascending means
10 Slide rail
11 Movable frame
12 A pair of left and right guide rods
13 Slide rail fixed rail
14 Slide rail movable rail
15 Wall surface
16 Rail mounting plate
17 Vertical plane of movable frame
18 Upper end surface of movable frame
19 Lower end of the movable frame
20 Fixed frame
20 'Upper end of fixed frame
21 A pair of left and right rod holders
22 Gap between back plate and bottom plate
23 Grip handle
24 Constant load spiral spring
25 Spring support bracket
26 Strip spring piece
27 Spring shaft
28 Balance Weight
29 A pair of left and right rubber stoppers
30 Positioning socket
31 Positioning pin
32 Rubber stopper
33 Middle stopper means
34 Stopper
35 Stopper support pipe
36 Stopper fixture
37 Stopper support
38 Stopper support screw
39 Pair of left and right sides of stopper
40 Stopper bridge
41 Bending part of stopper
42 Stopper fixture mounting plate
43 Stopper fixing part
44 Recessed portion of stopper fixture 45 Projection of bridge portion of stopper

Claims (3)

Shelf plate, shelf plate supporting means for supporting the shelf plate so as to be movable up and down, ascending biasing means for biasing the shelf plate in the upward direction, and upper and lower limit position fixing for fixing the shelf plate at the upper limit position and the lower limit position An up-and-down lifting shelf with means,
It is provided with a middle stopper means that can fix the shelf plate between the upper limit position and the lower limit position, and the middle stopper means comprises a stopper, a stopper fixture for fixing the stopper, and a stopper support pipe for supporting the stopper. Up and down lifting shelf.   2. The up-and-down lift shelf according to claim 1, wherein the shelf support means is connected to the slide rail for supporting the shelf plate so as to be movable up and down and the movable rail of the slide rail, and moves up and down with the movable rail for a predetermined stroke. An up-and-down lift shelf comprising a movable frame, wherein the stopper support pipe is fixed to the movable frame and moves up and down together with the movable frame. 3. The vertical elevating shelf according to claim 1, wherein the stopper is rotatably fixed to the stopper support pipe, and the stopper is fitted and fixed to the stopper fixture by rotating the stopper. Up and down lifting shelf.

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