JP2007068838A - Shelf body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shelf body where a height of shelf plates can be adjusted easily. <P>SOLUTION: The shelf body comprises: a plurality of supports 2 extending in a height direction; and the shelf plates 3 and 4 mounted to the supports 2. Each support 2 is composed of an upper support 21 and a lower support 22 respectively divided into two in the height direction. The upper support 21 and the lower support 22 are connected by a connecting mechanism 5 where the upper support 21 is engaged with the lower support 22 movably in a vertical direction by the rotation of the upper support 21. The shelf plates 3 and 4 are mounted to the upper support 21 while the remining support 21 is rotatable by rotate of one support 21 in two or more supports. A linking mechanism 6 where rotation of one of the plurality of upper supports 21 links and rotates the other upper supports 21 to move all the upper supports 21 in the same direction of upward or downward. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a shelf body capable of easily adjusting the height of a shelf board.

Shelves such as racks and storage shelves store articles and are used by being placed in the corners of rooms or in closets. Among these shelves, those that can adjust the height of the shelves are known (see Patent Document 1).
Utility Model Registration No. 3105273

  The shelf described in Patent Document 1 has two dowel holes embedded in two opposing back plates at the same height (four places in total), and a support member made of metal dowels in these four dowel holes. Is inserted and attached, and a shelf board is placed on these support members. Four dowel holes at the same height (these four dowel holes are sometimes referred to as dowel hole groups) are provided at predetermined intervals in the height direction of the two back plates and are supported. The height of the shelf board can be adjusted by changing the dowel hole group to which the member is inserted and attached. However, in order to adjust the height of the shelf board, the shelf board placed on the support member is removed from the support member, the four support members are removed from the dowel holes, and then the dowel hole group 4 having a desired height is removed. Since it is inserted and attached to each of the two dowel holes, the work of adjusting the height of the shelf is troublesome. In addition, since the position of the dowel hole into which the support member is inserted is specified, there is a problem that the height of the shelf board cannot be finely adjusted.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a shelf body capable of easily adjusting the height of the shelf board and finely adjusting the height of the shelf board. It is to provide.

  The shelf according to the present invention for achieving the above object is a shelf having a plurality of support columns extending in the height direction and shelf plates attached to these support columns, and each of the support columns has a height. A coupling mechanism that consists of an upper column and a lower column that are divided into two in the direction. The upper column and the lower column are engaged with the lower column so that the upper column can move vertically by rotating the upper column. The upper support column is attached to the shelf so that the upper support column can rotate, and the remaining upper support column rotates in conjunction with rotation of one upper support column of the plurality of upper support columns. An interlocking mechanism is provided in which all of the upper struts are moved in the same direction upward or downward.

  According to the present invention, each support column is composed of an upper support column and a lower support column, and the upper support column and the lower support column are respectively connected by the connecting mechanism, and the remaining one is rotated by rotation of one upper support column among the plurality of upper support columns. By providing an interlocking mechanism in which the upper struts rotate and all the upper struts move in the same direction upward or downward, when one upper strut is rotated, the remaining upper struts are interlocked by the interlocking mechanism. Thus, all of the plurality of upper columns move in the same direction upward or downward, and the shelf attached to the upper column moves upward or downward. Therefore, since the shelf board can be moved by operating one upper column, the height of the shelf board can be easily adjusted and the height of the shelf board can be finely adjusted.

  In the shelf according to the present invention, it is preferable that the interlocking mechanism includes a chain sprocket provided on each upper support column and a chain spanned over the chain sprocket. In the shelf according to the present invention, it is preferable to provide a rotation driving means for automatically rotating one upper column among the plurality of upper columns in the forward and reverse directions. In the shelf according to the present invention, it is preferable that the four support columns are provided, the shelf plate is formed in a rectangular shape, and the support columns are respectively attached to four corners of the shelf plate.

  As described above, according to the shelf according to the present invention, each support column is composed of an upper support column and a lower support column, and the upper support column and the lower support column are respectively connected by a connecting mechanism. The rotation of one upper column causes the remaining upper columns to rotate in conjunction with each other, and an interlocking mechanism is provided in which all of the plurality of upper columns move in the same direction above or below. The height of the shelf board can be easily adjusted and the height of the shelf board can be finely adjusted.

  Hereinafter, a shelf according to the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a diagram showing an example of a first shelf according to the present invention. 2 and 3 are views showing an example of the interlocking mechanism according to the present invention. As shown in FIG. 1, the shelf according to the present invention has a plurality of support columns 2 extending in the height direction and shelf plates 3 and 4 attached to these support columns 2. The shelf body 1 according to the present invention is a rack, a storage shelf, or the like that is used to place and store objects on the shelf boards 3 and 4 and is not particularly limited. The number of the support | pillar 2 is not specifically limited, For example, it is preferable that it is four. In the embodiment of the present invention, a case where four support columns 2 are provided will be described, but the present invention is not limited to this.

  The shelf boards 3 and 4 will not be specifically limited if an object can be mounted. The number of shelves 3 and 4 (the number of stages) is not particularly limited, and is preferably, for example, three stages. In the embodiment of the present invention, the case where the shelf boards 3 and 4 are provided in three stages will be described, but the present invention is not limited to this. The shelves 3 and 4 may be the same in all three levels, or may be different, for example, the first level (upper level) shelf (sometimes referred to as the first level 3). The second and third shelf boards (sometimes referred to as second shelf boards 4) are formed differently.

  The first shelf 3 is placed on a shelf 3a formed in a rectangular flat plate shape on which an object is placed, and is formed in a rectangular flat plate substantially the same as the shelf 3a, and a lower surface of the shelf 3a via a support member 3f. And a post-like frame that is provided so as to extend downward from the ends of the four sides of the post attachment part 3b and cover the lower part of the post attachment part 3b. The body 3c includes a through hole 3d provided near the four corners of the column attachment portion 3b and through which the column 2 is inserted. The second shelf 4 includes, for example, a shelf portion 4a on which an object is placed and formed in a rectangular flat plate shape, a frame member 4b provided at the end of four sides of the shelf portion 4a, and a shelf portion 4a. It comprises cylindrical fixing portions 4c provided at the four corners and inserted into and fitted to the support columns 2 and fixed to predetermined positions of the support columns 2.

  As shown in FIGS. 1 to 3, the shelf 1 according to the present invention includes an upper column 21 and a lower column 22 in which each column 2 is divided into two in the height direction. And the lower support column 22 are connected to the lower support column 22 by a connecting mechanism 5 that engages the upper support column 21 so that the upper support column 21 is movable in the vertical direction by the rotation of the upper support column 21. The shelf board 3 is attached to the other upper struts 21 by the rotation of one of the four upper struts 21 and the remaining upper struts 21 are rotated together, and all of the plurality of upper struts 21 are in the same direction upward or downward. It is characterized in that a moving interlocking mechanism 6 is provided.

  The support column 2 includes an upper support column 21 and a lower support column 22 that are divided into two in the height direction, and the upper support column 21 and the lower support column 22 are connected to each other by a connecting mechanism 5. The lower support column 22 is used as a support column 2 in a rack or the like, and for example, a pipe-shaped one is used. The second shelf boards 4 are respectively attached at two locations near the lower portion of the lower column 22 and slightly above the central portion. Further, an engagement recess 51 constituting the coupling mechanism 5 is fixed in the upper part of the lower support column 22. The engaging recess 51 is formed in a cylindrical shape, and a thread groove 51a is provided on the inner peripheral surface thereof.

  Although the upper support | pillar 21 is not specifically limited, For example, it is formed in the volt | bolt shape which consists of the meshing part 21a and the head part 21b. That is, the upper support column 21 is, for example, a bolt or the like. Thus, when the upper support | pillar 21 is formed with a volt | bolt, the upper support | pillar 21 itself becomes a component which comprises the connection mechanism 5. FIG. The coupling mechanism 5 engages the lower support column 22 so that the upper support column 21 can move in the vertical direction by the rotation of the upper support column 21, and the engaging recess 51 fixed to the upper support column 21 and the lower support column 22. Consists of.

  The head portion 21 b of the upper column 21 is preferably formed in a hexagonal column shape so that it cannot penetrate the through hole 3 d of the column attachment portion 3 b of the first shelf 3. The head portion 21b is positioned between the shelf portion 3a and the column attachment portion 3b, and serves as an operation unit for rotating the upper column 21 with respect to the lower column 22.

  The meshing portion 21a of the upper support column 21 is formed in a columnar shape, and a screw groove 21aa that meshes with and engages with the engagement recess 51 is provided on the outer surface (circumferential surface). It is preferable that the outer diameter of the meshing portion 21a is smaller than the diameter of the through hole 3d of the first shelf plate 3, for example, slightly smaller. The through-hole 3d of the column attachment portion 3b is positioned around the axis of the meshing portion 21a of the upper column 21 via the washer 11. That is, the washer 11 is inserted into the through hole 3d of the engaging portion 21a of the upper support column 21 through the washer 11b, and the first nut is inserted through the engaging portion 21a through the washer 12 and the rotation allowing member 9. 13 is meshed and attached.

  When the upper support column 21 is fastened and attached to the support column mounting part 3b of the first shelf board 3 with the head part 21b of the upper support column 21 and the first nut 13, the rotation allowing member 9 is attached to the first shelf board 3 (the support column mounting part). The upper support column 21 is attached to be surely rotatable with respect to 3b). The rotation-permitting member 9 is not particularly limited as long as the upper support column 21 can be rotatably attached to the first shelf 3. For example, a pair of ring-shaped ring pieces 9 a facing each other, and these ring pieces. A plurality of bearings 9b provided between the ring pieces 9a and rotatably supporting the ring piece 9a about its axis, and bearings provided on the outer periphery of the bearings 9b so that the bearing 9b does not deviate from between the ring pieces 9a. And a support portion 9c. Accordingly, the upper support column 21 is attached to each of the four through holes 3d of the first shelf plate 3, and the four upper support columns 21 are engaged with the engaging recesses 51 of the lower support column 22 to be engaged with each other. Since the upper column 21 is moved in the vertical direction by rotating the upper column 21 with respect to 22, the height of the first shelf 3 can be adjusted and the height of the first shelf 3 can be finely adjusted. Can do.

  The interlocking mechanism 6 rotates one upper strut 21 of the four upper struts 21 so that the remaining three upper struts 21 rotate in conjunction with each other, and all four upper struts 21 move upward or downward. It moves in the same direction. The interlocking mechanism 6 is not particularly limited. For example, the interlocking mechanism 6 is preferably composed of chain sprockets 7 provided on the four upper struts 21 and chains 8 spanned over the chain sprockets 7.

  The chain sprocket 7 is formed in a cylindrical shape. It is preferable that a thread groove that meshes with the meshing portion 21 a of the upper column 21 is provided on the inner peripheral surface of the chain sprocket 7. Moreover, the thread groove does not need to be provided on the inner peripheral surface of the chain sprocket 7, and in this case, the inner diameter of the chain sprocket 7 is formed to be slightly larger than the diameter of the meshing portion 21a of the upper column 21. Is preferred. One end of the chain sprocket 7 is provided with a large number of radially projecting engagement teeth 7a. The chain sprocket 7 is connected to the meshing portion 21a of the upper column 21 at the end opposite to the engagement teeth 7a. To be fitted around the axis of the meshing portion 21a. After the chain sprocket 7 is attached to the meshing portion 21 a of the upper support column 21, the second nut 15 is meshed via the washer 14, and the chain sprocket 7 is fastened and fixed by the first nut 13 and the second nut 15. Yes.

  The chain 8 is stretched over the chain sprocket 7 of the four upper columns 21. That is, the chain 8 is engaged with the engagement teeth 7a of the four chain sprockets 7. When one upper column 21 of the four upper columns 21 is rotated, the chain 8 is moved along with the rotation. The remaining three upper struts 21 are rotated in conjunction with each other. The chain 8 is not particularly limited as long as it can engage with the engagement teeth 7a of the chain sprocket 7.

  Further, the shelf 1 according to the present invention is a tool capable of rotating the head portion 21b with the head portion 21b, which is an operation portion positioned between the shelf portion 3a of the first shelf plate 3 and the column attachment portion 3b. By rotating manually with a rotating jig (not shown), the upper column 21 moves up and down by the rotation of the upper column 21 with respect to the lower column 22, and the first shelf 3 Although the height can be adjusted, as shown in FIGS. 4 and 5, rotational drive means 30 for automatically rotating any one of the four upper columns 21 is provided. Also good.

  The rotation drive means 30 includes, for example, a drive motor 31 capable of rotating in the forward and reverse directions, a worm gear 32 provided on the outer periphery of the chain sprocket 7, and a worm attached to the rotation shaft 31 a of the drive motor 31. It is preferable that it is comprised with the wheel 33. FIG. The drive motor 31 is not particularly limited as long as it can rotate forward and backward, and is attached to the motor attachment portion 3g of the support post attachment portion 3b. The drive motor 31 is driven by a switch 35 provided on any one frame 3c. For example, the switch 35 is in an off state at the center position, one end position is a first on state that rotates the drive motor 31 in one direction (forward direction), and the other end position is the drive motor 31 in the other direction. It is the 2nd ON state rotated in the direction (reverse direction). As a result, the drive motor 31 is driven by turning the switch 35 on and off to rotate the chain sprocket 7 via the worm wheel 33 and the worm gear 32, and the upper column 21 moves up and down with respect to the lower column 22, and the first The height of the shelf board 3 is automatically adjusted.

  Next, the operation of the shelf according to the present invention will be described. First, as shown in FIG. 1 to FIG. 5, the meshing portion of the upper column 21 so that the head portion 21 b is positioned between the shelf 3 a of the first shelf 3 and the column attachment portion 3 b via the washer 11. 21a is inserted into the through hole 3d of the column attachment portion 3b and penetrated, and the first nut 13 is engaged with and attached to the meshing portion 21a through which the penetration is made through the washer 12 and the rotation allowing member 9. After the chain sprocket 7 is attached to the meshing portion 21 a of the upper support column 21, the chain sprocket 7 is fixed to the upper support column 21 by engaging and attaching the second nut 15 via the washer 14. At this time, the chain 8 is hung on the chain sprocket 7 of the four upper columns 21. Thus, by engaging the engaging portions 21a of the four upper struts 21 of the first shelf 3 to which the upper struts 21 having the chain sprockets 7 and the like are attached to the engaging recesses 51 of the lower struts 22, Such a shelf 1 is assembled. Further, when the rotation drive means 30 is provided, the drive motor 31 is motorized so that the worm wheel 33 attached to the rotation shaft 31 a of the drive motor 31 meshes with the worm gear 32 provided on the outer periphery of the chain sprocket 7. The shelf 1 according to the present invention is assembled by attaching to the attachment portion 3g.

  One of the head portions 21b, which is the operation portion of the four upper struts 21 located between the shelf portion 3a of the first shelf board 3 and the strut mounting portion 3b, is moved using a rotating jig. Rotate in the direction of. Alternatively, the switch 35 is operated to drive the drive motor 31, and the chain sprocket 7 (upper column 21) is rotated in one direction via the worm wheel 33 and the worm gear 32. Then, the remaining three upper columns 21 are rotated with respect to the lower columns 22 via the chain 8. As described above, when the upper support column 21 rotates with respect to the lower support column 22, all of the four upper support columns 21 are moved with respect to the lower support column 22 by the engagement of the meshing portion of the upper support column 21 and the engaging recess 51 of the lower support column 22. It moves in the same direction upward or downward, and the first shelf 3 attached to the upper column 21 translates upward or downward. As a result, the height of the first shelf board 3 can be adjusted by one operation that only rotates one upper column 21.

  Further, when the upper column 21 rotates, the upper column 21 gradually moves upward or downward in the height direction with respect to the lower column 22, so that the height of the first shelf 3 is finely adjusted. Yes. Further, after the height of the first shelf 3 is adjusted, even if a load is applied to the first shelf 3, only the force acting downward is applied to the upper column 21, and the four upper columns 21 are connected to the chain. 8, the upper support column 21 does not rotate, and the height of the first shelf 3 can be held at a desired position.

  Accordingly, the shelf bodies 1 and 10 according to the present invention rotate one of the four upper struts 21 manually or automatically so that all the four upper struts 21 rotate in conjunction with each other, Since the first shelf 3 can be moved upward or downward, the height of the shelf 3 can be easily adjusted and the height of the shelf 3 can be finely adjusted. As a result, the height of the shelf board 3 can be easily and finely adjusted according to the height and purpose of use of the user.

  Moreover, since the head part 21b which is an operation part which rotates the upper support | pillar 21 protrudes from the upper surface of the 1st shelf board 3 which is an upper stage (top plate), since the upper support | pillar 21 is easy to rotate, operability is improved. It is good. Further, by rotating only one head portion 21b of the head portions 21b of the four upper struts 21 protruding from the vicinity of the four corners of the upper surface of the first shelf board 3, the four upper struts 21 are rotated in conjunction with each other, Since the height of the 1st shelf board 3 can be adjusted, operativity is more favorable.

  In the embodiment of the present invention, the case where the height of the upper first shelf 3 can be adjusted has been described, but the height of the middle shelf or the lower shelf may be individually adjusted. . Further, the heights of the upper and middle two-stage shelves and the heights of all three shelves may be adjusted.

  That is, when adjusting the heights of the upper and middle two-stage shelves, for example, as shown in FIG. Is attached, and an engagement recess 51 is provided in the upper part thereof. A first shelf plate 29 is disposed in the middle, and the first shelf plate 29 is formed by integrally forming the shelf portion 3a and the column attachment portion 3b of the first shelf plate 3 described above. In the through holes in the vicinity of the four corners of the first shelf plate 29, second upper columns 25 that are substantially the same as the upper columns 21 are rotatably attached. The lower end portion of the first upper support column 24 is rotatably attached to the upper end portion of the second upper support column 25. An upper first shelf 3 is attached to the upper part of the first upper column 24. A chain sprocket 7 is attached in the vicinity of the lower surface of the middle first shelf 29, which is a meshing portion of the second upper support column 25, and a chain 8 is passed over the four chain sprockets 7 in the same manner as described above. ing. If comprised in this way, when one 2nd upper support | pillar 25 of the 4 2nd upper support | pillars 25 is rotated in one direction using a rotation jig or a drive motor, for example, it will remain through the chain 8 The three second upper struts 25 rotate in conjunction with each other, and the upper and middle two-stage shelf boards 4 and 29 move in conjunction with each other upward or downward.

  Further, when adjusting the height of all the three shelves 29, 4, for example, as shown in FIG. 6B, the lower column 26 is not attached with a shelf, An engaging recess 51 is provided in the front. A first shelf plate 29 is disposed in the lower stage, and second upper columns 28 substantially the same as the upper columns 21 are rotatably attached to through holes near the four corners of the first shelf 29. The lower end portion of the first upper support column 27 is rotatably attached to the upper end portion of the second upper support column 28. A second shelf plate 4 serving as a middle stage and an upper stage is attached to a substantially central part and an upper part of the first upper column 27, respectively. The chain sprocket 7 is attached in the vicinity of the lower surface of the lower first shelf 29, which is the meshing portion of the second upper column 28, and the four chain sprockets 7 are attached in the same manner as described above. A chain 8 is stretched over the chain sprocket 7. With this configuration, when one of the four second upper struts 28 is rotated in one direction using, for example, a rotary jig or a drive motor, the remaining three struts are connected via the chain 8. The two upper upper columns 28 rotate in conjunction with each other, and all the upper, middle, and lower three shelf plates 29 and 4 move in conjunction with each other upward or downward.

  As described above, in the shelf according to the present invention, each support column includes an upper support column and a lower support column, and the upper support column and the lower support column are respectively connected by a connecting mechanism, and one of the plurality of upper support columns is connected. By rotating the upper strut, the remaining upper struts rotate in conjunction with each other, and an interlocking mechanism that moves all the upper struts upward or downward in the same direction is provided, so the shelf can be moved by operating one upper strut. The height of the shelf board can be easily adjusted and the height of the shelf board can be finely adjusted, which is excellent in versatility.

It is a perspective view showing an example of the 1st shelf concerning the present invention. It is a perspective view which shows an example of the interlocking mechanism which concerns on this invention. It is a figure which shows an example of the principal part of the interlocking mechanism which concerns on this invention, (a) is a front view, (b) is sectional drawing, (c) is a front view. It is a perspective view showing an example of the 2nd shelf concerning the present invention. It is sectional drawing which shows an example of the principal part of the interlocking mechanism of the 2nd shelf which concerns on this invention. It is a perspective view which shows the other example of the 1st shelf which concerns on this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shelf body 2 Support | pillar 3, 4 Shelf board 5 Connection mechanism 6 Interlocking mechanism 7 Chain sprocket 8 Chain 21 Upper support 22 Lower support

Claims (4)

  A shelf having a plurality of columns extending in the height direction and shelf boards attached to these columns, each column comprising an upper column and a lower column divided into two in the height direction. The upper strut and the lower strut are connected to the lower strut by a coupling mechanism that engages the upper strut so that the upper strut can move in the vertical direction by the rotation of the upper strut, and the upper strut can be rotated. The shelf board is attached, and the remaining upper struts rotate in conjunction with the rotation of one upper strut of the plurality of upper struts, and all the plurality of upper struts move in the same direction upward or downward. A shelf body provided with a mechanism.   2. The shelf according to claim 1, wherein the interlocking mechanism includes a chain sprocket provided on each of the upper support columns and a chain spanned over the chain sprocket. 3.   The shelf according to claim 1 or 2, further comprising a rotation driving unit that automatically rotates one upper column of the plurality of upper columns in the forward and reverse directions. The said support | pillar is provided, the said shelf board is formed in a rectangular shape, and the said support | pillar is each attached to the four corners of this shelf board, The any one of Claims 1-3 characterized by the above-mentioned. Shelf.

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