JP3030989U - Corner shelf structure - Google Patents

Abstract

(57) [Summary] [Object] To provide a corner shelf structure that can be easily and reliably positioned and attached only by rotating an operation handle and can firmly hold a corner portion. [Structure] Provided on the back surface of the shelf board 1 conforming to the corner shape, and orthogonal to a line that equally divides a corner portion 4 sandwiched between the non-parallel left and right contact sides 2 and 2 of the shelf board 1. The left and right rotary shafts 6, 6 arranged coaxially, the bevel gears 10, 10 provided at respective ends of the left and right rotary shafts 6, 6 facing each other, and the bevel gears 10, 10 meshing with each other. A single operation handle 11 provided with a bevel gear 12 for transmitting rotational operation, and the respective rotary shafts 6, 6
Fixing members 15 and 1 arranged on the free end side of the shelf plate 1 so as to coaxially project and retract from the non-parallel contact edges 2a and 2a of the shelf plate 1 and to be fixed to the corner left and right wall surfaces W and W of a room or the like.
5, the fixing members 15 and 15 are always urged by the elastic force of the coil spring 21 in the fixing projections 24 and 24 at the tips in the left and right wall surfaces W and W directions when the shelf plate is fixed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a corner shelf structure provided in a corner portion of a room or the like, and more particularly to a corner shelf mounting and holding structure. In addition, in the present specification, the term "indoor" is not limited to a room such as a house or an office, but is a generic term for a space including at least an internal space such as a garage, a warehouse, a factory, and the like, which is partitioned by wall surfaces.

[0002]

[Prior art]

 It is conceivable to install shelves in the corners of the room or to install racks or cabinets of a shape suitable for the corners, and decorate the corner space with your favorite ornaments, etc. for effective use. However, it may not be possible to enjoy the space with installation types such as racks and cabinets. In other words, it is not possible to use a rack or cabinet, which is an installation type, when it is desired to decorate an object or the like at an arbitrary space in the height direction of a corner in a room.

[0003]

[Problems to be solved by the device]

 Therefore, in such a case, it is possible to attach a shelf at an arbitrary height position of the corner. Conventionally, as shown in FIG. 6, for example, as shown in FIG. 6, brackets 200 and 200 are fixed at the same height positions on the left and right wall surfaces 100 and 100 of the corner portion 400, and the shelf board 300 is held via the brackets 200 and 200 to be attached to the corner portion such as a room. It is generally known that shelves were provided.

However, when a shelf is to be installed at an arbitrary position in a corner portion such as a room by the conventional technique shown in the drawing, the left and right brackets 200, 200 must be positioned so that they are at the same height position (level). In addition to the complicated positioning, the mounting work was also troublesome.

Further, since the arrangement position of the shelf cannot be changed freely and easily because of the above-mentioned configuration, it is necessary to use extra nerves for initial positioning, and at the same time, once the predetermined position is set. When the position of the bracket 200, 200 is changed after mounting, the brackets 200, 200 must be removed again, the predetermined position must be determined again, and the work of mounting the brackets 200, 200 and the shelf board 300 must be repeated, which is troublesome.

[0006] Furthermore, since holes are formed in the wall surface by the nails or the like used for fixing the bracket 200, it is not easy to change the installation position especially in a rental house because the wall surface is full of holes. This is not preferable in the prior art because it may occur.

Further, as another technique, a frame body that is configured to be expandable and that firmly fixes the left and right side surfaces to a mounting wall surface, a shelf plate that is fitted into the frame body, and the frame body A shelf plate structure is known that is constructed of a pressing rod that is constructed so as to be extendable and contractible while being installed across the left and right frame parts of the above, but this technology also had the same problems as above. . That is, first, the frame body is set to a desired expanded state according to the corner angle of the mounting corner, and the left and right side surfaces of the frame body are fixed to the initially set mounting positions of the corner wall surfaces, but they are fixed once. Not only is it difficult to remove it, but if you try to remove it forcibly, the adhesive surface on the side of the frame may peel off, making it impossible to reattach it. Moreover, the left and right side frames are pressed against the wall surface by constructing and extending the pressing rod across the left and right side faces, but it is a work to extend while pushing the separate pressing rod between the left and right side faces of the frame body. Was difficult and troublesome. In addition, since the frame, pressing rod and shelf are separate, the work of fixing the frame to the corner wall surface, the pressing of the left and right frames by the pressing rod, and the shelf placing work are performed separately. It had to be performed, which was troublesome and took a lot of time.

The present invention has been made in view of the above problems of the prior art, and an object of the present invention is to easily and surely perform positioning and attachment by only rotating the operation handle. The purpose of the present invention is to provide a corner shelf structure capable of firmly holding a corner portion.

Further, according to the present invention, even if the corner wall surface where the corner shelf is arranged is displaced due to factors such as an earthquake and the corner wall surface is wider than its original wall interval, the sticking action portion is separated from the wall surface. It is also an object of the present invention to provide a new and useful corner shelf structure that can be securely and safely mounted and held without the risk that the shelf plate will fall off when detached.

[0010]

[Means for Solving the Problems]

 To achieve the above object, the technical means of the present invention include a shelf having non-parallel left and right abutting sides that intersect each other on an extension line, and a shelf provided on the back surface of the shelf and including the shelf. The left and right rotary shafts are coaxially arranged so as to be orthogonal to the line that equally divides the angular portion sandwiched between the non-parallel left and right contact sides, and the opposite end portions of the left and right rotary shafts are opposed to each other. A single operation handle equipped with a bevel gear provided and a bevel gear that meshes with each bevel gear to transmit a rotational operation, and is arranged on the free end side of each of the rotary shafts, and is arranged in a non-parallel manner on the shelf plate. The fixing member is configured to coaxially project and retract from the respective abutting edges so as to be fixed to the left and right wall surfaces of a corner in a room or the like. The fixing member includes an outer box into which the free end side of the rotary shaft is loosely inserted, and It is slidably arranged in the outer box and At the limit position, the tip of the slide cylinder that comes into contact with the inner bottom surface of the outer box to perform a stopper function is integrally provided on the inner bottom surface of the slide cylinder, and the screw portion provided on the outer circumference of the free end side of the rotary shaft is screwed. Together, the operation converting portion for converting the rotational operation of the rotary shaft into the forward / backward operation, the elastic member arranged between the operation converting portion and the inner bottom surface on the front end side of the outer box, and the outer wall surface on the front end side of the outer box. And a fixing action part provided with a fixing protrusion integrally provided on the.

Further, an insertion hole for inserting the fixing protrusion of the fixing action portion is provided on one side surface, and the fixing force is strong on both the side surface having the insertion hole and the side surface facing the corner wall surface. A double-sided tape may be provided to form a cartridge, and the cartridge may be interposed between each fixing protrusion and the corner wall surface.

[0012]

[Action]

 With the above-mentioned technical means, the position where the shelves are arranged is selected from an arbitrary position in the height direction of a corner portion such as a room, and the left and right abutting sides of the shelves are brought into contact with the left and right wall surfaces of the corner portion.

Then, when the operation handle of the shelf holding mechanism is then rotated, the rotation operation is transmitted to the left and right rotation shafts via the left and right bevel gears meshing with the bevel gear of the handle, and the left and right rotation shafts are rotated. Are each rotated in a predetermined direction.

Then, the rotational operation of the rotary shaft is converted into the forward / backward movement of each slide cylinder by the operation conversion portion of the fixing member with which each screw portion is screwed, and the slide cylinder is moved forward or backward.

Then, each of the slide cylinders repeats the forward movement operation through each of the rotary shafts, so that the respective elastic members interposed between the respective slide cylinders and the inner bottom surface of the outer box are removed. By pressing, and by the respective elastic members, the left and right outer boxes simultaneously start a forward movement toward the left and right wall surfaces of a corner portion such as a room coaxially.

Then, when the operation handle is further rotated, the fixing protrusions of the fixing action portions provided on the outer side surfaces of the front ends of the outer casings simultaneously project from the left and right non-parallel sides of the shelf plate. .

Then, with the left and right fixing protrusions slightly pierced into the corner wall surface, the rotation operation of the operation handle is stopped, the mounting position is confirmed again, and if the mounting position is confirmed at that position, further operation is performed. Continue to rotate the handle, and without letting the sticking force of each sticking protrusion escape to the front, the sticking protrusions are deeply stuck to the corner wall surface, respectively, and the shelf plate is firmly fixed to any corner part. Hold it.

At this time, the elastic member is urged between the slide cylinder and the inner bottom surface of the outer case against the elasticity thereof by the forward movement of the slide cylinder, so that the elastic member always causes the fixing protrusion. Pressed to the corner wall side.

Further, since the forward movement of the slide cylinder is stopped by contacting the tip of the slide cylinder with the inner bottom surface of the outer box, the stopper function of the slide cylinder tip prevents damage due to over-pressing.

Further, as described above, if the operation handle is slightly reversed when the fixing projection is stabbed, the sticking state of the fixing projection is easily released. Therefore, when you want to correct the mounting position, Positioning can be set easily and positioning can be facilitated.

An insertion hole for inserting the fixing protrusion of the fixing action portion is provided on one side surface, and the fixing force is strong on both the side surface having the insertion hole and the side surface facing the corner wall surface. A double-sided tape is provided to form a cartridge, and the cartridge is interposed between the fixing protrusions and the corner wall surface. The fixing members respectively move forward to press the cartridges provided in the respective cartridges toward the corner wall surfaces, and the double-sided tape provided on the side surfaces of the cartridges is firmly fixed to the wall surfaces. The shelf is firmly held by the synergistic effect of the pressing force in the direction and the adhesive force of the tape. Therefore, even if the corner wall surface is tiled, metal plate, etc., and the fixing projections of the left and right fixing members cannot be pierced onto the corner wall surface, the fixing in the direction of the corner wall surface is performed in the same manner as above. It is firmly fixed and held against the corner wall surface without loosing force forward.

Furthermore, since the fixing protrusions fixed to the corner wall surfaces are always pressed in the wall surface direction by the elastic member, they may be fixed between the corner wall surfaces and attached. Even if the space between the corner walls widens slightly (for example, due to an earthquake or the like), within the allowable range of the elastic member, the elastic member pushes the sticking action part forward (toward the wall surface) according to the widening of the wall space. Because of the action, the entire sticking action portion projects from the abutting edge due to the spread, and the state in which the sticking action portion keeps sticking to the wall surface is secured and the shelf plate is prevented from falling.

[0023]

【Example】

 An embodiment of a shelf structure for corners of the present invention will be described below with reference to the drawings. 1 shows an embodiment of a shelf board in a corner shelf structure of the present invention. Shelf board 1 has two non-parallel sides (abutting sides) that abut on left and right wall surfaces W, W of a corner portion C such as a room. ) It is a flat fan-shaped flat plate in plan view in which the corner portion 4 sandwiched by 2 and 2 is 90 degrees.

The corner portion 4 sandwiched by the two non-parallel sides 2 and 2 is 90 degrees in the present embodiment, but the present invention is not limited to this, and the left and right wall surfaces W and W of the corner portion C such as a room. The angle between the acute angle and the obtuse angle is arbitrary according to the expansion angle of the angle between the two angles, and can be appropriately selected and changed within the scope of the present invention.

Further, in this embodiment, the shelf board 1 is described as a fan shape in a plan view, but the shape of the shelf board 1 is not limited to this, and a shape matching a corner portion such as a room. That is, any shape such as a triangular shape or a trapezoidal shape can be used as long as it has at least two non-parallel sides that intersect on the extension line and that can contact the left and right wall surfaces of a corner portion such as a room. In addition, it goes without saying that the shelf 1 may have a brim raised or hung down along the peripheral edge thereof, or may be subjected to various other decorations.

Then, the rotation shafts 6, 6 are provided on the back surface 3 side of the shelf board 1 so as to be orthogonal to the line x that equally divides the corner portion 4 sandwiched between the two non-parallel sides 2 and 2 of the shelf board 1. 6 are arranged coaxially.

Reference numeral 5 in the drawing denotes a rectangular tubular casing integrally provided on the back surface 3 of the shelf board 1. The casing 5 has a length extending between two non-parallel sides 2 and 2 of the shelf board 1. The rotating shafts 6 and 6, the bevel gears 10 and 10, and the fixing members 15 and 15 are provided in the internal space. Reference numeral 32 denotes a support piece for receiving the rotary shafts 6 and 6, and one or a plurality of support pieces are provided between each fixing member 15 and the bevel gear 10.

The rotary shafts 6 and 6 are provided with screw parts 8 and 8 on the respective tip sides (near the non-parallel two sides 2 and 2 of the shelf plate 1) 7, and the screw parts 8 and The fixing members 15 and 15 are respectively screwed through 8 and to the end portions (opposite end portions of the respective shafts 6 and 6) 9 and 9 opposite to the tip ends 7 and 7. The bevel gears 10, 10 are fixed to each other. Further, the screw portions 8 and 8 are reverse screws as shown in FIG.

The rotating shafts 6 and 6 and the fixing members 15 and 15 are coaxial with the non-parallel contact edges 2 a and 2 a of the shelf plate 1 as the fixing members 15 and 15 move forward. When the fixing members 15 and 15 are moved backward, they are fixed to the corner left and right wall surfaces W and W of the interior of the room and fixed to the inside of the non-parallel contact edges 2a and 2a of the shelf plate 1 described above. The members 15 and 15 are located.

The bevel gears 10 and 10 of the rotary shafts 6 and 6 are coaxially opposed to each other with a predetermined space therebetween, and the operation handle 11 and the operation handle 11 are engaged with the bevel gears 10 and 10, respectively. A bevel gear 12 which is integrally provided is arranged.

In the present embodiment, the operation handle 11 is formed into a disc shape in a plan view, and a bevel gear 12 is integrally attached to the back side of the operation handle 11, and the bevel gear 12 is rotated by the left-right rotation operation of the handle 11. However, the shape of the handle is not particularly limited, and it can be changed to another known shape within the scope of the present invention, such as a polygonal shape in plan view, as long as it can rotate the bevel gear 12 as described above. It is In the figure, 13 is a support shaft that supports the operation handle 11 so as to be rotatable left and right, and 14 is a pedestal that receives the support shaft 13.

Therefore, when the operation handle 11 is rotated, the rotational movement of the bevel gear 12 is transmitted to the bevel gears 10, 10 of the rotating shafts 6, 6, and the bevel gears 10, 10 move in different directions. The rotary motion is transmitted to the fixing members 15 and 15 via the screw portions 8 and 8 at the tips of the respective rotary shafts 6 and 6 in reverse screw states, and the operation conversion of the fixing members 15 and 15 is performed. The parts 20 and 20 are converted into forward and backward movements so that the respective fixing members 15 and 15 simultaneously move forward or backward.

The fixing member 15 is provided with outer boxes 16 and 16 into which the free ends of the rotary shafts 6 and 6 are loosely inserted, and slidable inside the outer boxes 16 and 16, and at the forward limit position. Then, the tips 18c, 18c are provided integrally with the slide cylinders 18, 18 that play a stopper function by contacting the tip-side inner bottom surfaces 16d, 16d of the outer boxes 16, 16 and the slide cylinder inner bottom surfaces 18b, 18b. At the same time, the screw parts 8, 8 provided on the outer circumferences of the free ends of the rotary shafts 6, 6 are screwed together to convert the rotary operation of the rotary shafts 6, 6 into the forward / backward motion of the slide cylinders 18, 18. The converters 20, 20, the elastic members 21, 21 arranged between the operation converters 20, 20 and the inner bottom surfaces 16d, 16d of the outer boxes 16, 16 and the tips of the outer boxes 16, 16. One on outer side wall surface 16c, 16c And the fixing action parts 22 and 22 that are provided in a specific manner.

The outer boxes 16, 16 are, for example, in this embodiment, the inner wall surface 5a of the casing 5 having a rectangular cross section, so that the outer wall surfaces 16a, 16a can slide and the entire outer box cannot rotate. It is formed in a rectangular box having a rectangular cross section that is slightly narrower than the casing 5.

The rear end side outer wall surfaces 16b, 16b are formed with insertion holes 17, 17 for the rotary shaft, while the front end side outer wall surfaces 16c, 16c are integrally provided with fixing action portions 22, 22. A slide cylinder 18 and an elastic body 21 are arranged inside the outer box 16. Reference numeral 25 in the figure denotes a spacer interposed between the operation converting portion 20 and the elastic member 21.

In this embodiment, the outer box 16 is formed to have a rectangular cross section that is slightly narrower than the casing 5, but the casing 5 can be moved forward and backward without rotating. The structure is not limited to the above shape. For example, one of the casing inner wall surface 5a and the outer box outer wall surface 16a is provided with a ridge (continuous in the forward and backward movement direction), and the other is provided with the ridge. A long groove for slidably fitting the strip may be provided, and can be appropriately selected and changed within the scope of the present invention. With such a structure, the outer box may have any cylindrical shape such as a cylindrical shape.

In this embodiment, the slide cylinders 18 and 18 are housed in the outer boxes 16 and 16 having, for example, a rectangular box shape with a rectangular cross section, and the inner wall surfaces 16 e and 16 e of the outer boxes 16 and 16 are The outer wall surfaces 18a, 18a are slidable, and the slide cylinders 18, 18 as a whole are inoperative so that they cannot rotate. It is formed into a front open cylindrical body.

The inner bottom surfaces 18b, 18b are provided with insertion holes 19, 19 for the rotary shafts 6, 6 and operation conversion portions (nuts) 20 having screw holes 20a, 20a communicating with the insertion holes 19, 19. , 20 are integrally provided on the inner bottom surfaces 18b, 18b.

With the above configuration, the screw parts 8, 8 of the rotary shafts 6, 6 are operatively changed through the insertion holes 17, 17 of the outer boxes 16, 16 and the insertion holes 19, 19 of the slide cylinders 18, 18. Since they are screwed into the screw holes 20a, 20a of the parts 20, 20, the screw parts 8, 8 rotate in the screw holes 20a, 20a of the respective operation converting parts 20, 20 due to the rotational movement of the rotary shafts 6, 6. The slide cylinders 18, 18 move forward and backward in the directions indicated by arrows in FIG. 2 by the rotational movement.

Further, the operation converting portion 20 is formed separately from the slide cylinder 18 and integrally fixed to the slide cylinder inner bottom surface 18b, or without providing the insertion hole 19 in the slide cylinder inner bottom surface 18b. The screw hole 20a may be directly formed, and the structure thereof is not particularly limited as long as the rotational operation of the rotary shaft 6 can be converted into the forward / backward movement of the slide cylinder 18. Absent.

In this embodiment, the slide cylinder 18 is formed to have a rectangular cross section that is slightly narrower than the outer box 16, but the shape is not limited to this. Any structure may be used as long as it can move back and forth in the box 16 without rotating. For example, a convex strip is provided on one of the outer box inner wall surface 16e and the slide cylinder outer wall surface 18a, and the convex strip is slid on the other. It is possible to provide a long groove for fitting as much as possible, and it can be appropriately changed within the scope of the present invention. With such a configuration, the slide cylinder may have any cylindrical shape such as a cylindrical shape.

A coil spring is used as the elastic member 21 in this embodiment, and the coil spring 21 is at least longer than the inner space of the slide cylinder 18 in a non-biased state. As a result of the forward movement of the slide cylinder 18, it is pressed against the elastic force of the slide cylinder 18 so that the sticking action portion 22 is constantly pushed out. Note that rubber or a leaf spring may be used instead of the coil spring.

In this embodiment, the fixing action portions 22 and 22 are fixing protrusions protruding from the inclined front end surfaces 23a and 23a of the pedestals 23 and 23 fixed to the outer wall surfaces 16c 1 and 16c of the outer boxes 16 and 16, respectively. The fixing protrusions 24, 24 are stabbed (in a state of being stuck and fixed) on the left and right wall surfaces W, W of the corner portion C in the room or the like.

Further, the inclined leading end surfaces 23 a, 23 a of the fixing action portions 22, 22 are formed in the same inclined shape as the non-planar two sides 2, 2 of the shelf 1, respectively. Further, although the fixing protrusion 24 is a single stud-shaped protrusion in the present embodiment, a plurality of such stud-shaped protrusions may be provided and the fixing protrusion 24 is not limited to this and is arbitrary within the scope of the present invention. Is.

FIG. 4 and FIG. 5 show a cartridge using the cartridges 26, 26 arranged between the fixing protrusion 24 side of the fixing action portion 22 and the corner wall surface W described above. , 26 are elongated plates 27 formed to have substantially the same length as the left and right abutting sides 2 and 2 of the shelf plate 1, and a fixing protrusion provided on one side surface 28 of the plate 27 in this embodiment. It is composed of the insertion holes 30 and 30, the side surface 28 provided with the insertion holes 30 and 30, and the double-sided tapes 31 and 31 having a strong adhesive force provided on the side surface 29 facing the corner wall surface W. .

Therefore, the fixing projections 24, 24 of the respective fixing members 15, 15 are inserted into the fixing projection insertion holes 30, 30 of the cartridges 26, 26, and the side surface 28 on the side having the fixing projection insertion holes 30, 30. Is fixed to the inclined front end surfaces 23a and 23a via the double-sided tape 31 and is arranged on the shelf board 1 side.

Then, the double-sided tapes 31 and 31 provided on the other side surfaces 29 and 29 of the cartridges 26 and 26 are fixed to the left and right wall surfaces W and W of the corner portion C, and the operation handle 11 is used in the same manner as in the above embodiment. When the rotating member is rotated, the fixing members 15 and 15 move forward to press the cartridges 26 and 26 against the corner wall surfaces W and W, so that the double-sided tapes 31 and 31 firmly fix them. The fixing projections 24, 24 are effective for a wall surface that cannot be pierced (for example, a wall surface made of a tile surface or a metal surface).

Here, the method of mounting the corner shelf structure in the present embodiment will be described. First, a shelf arrangement position is selected from an arbitrary position in the height direction of the corner part C such as a room, and then the corner part C is selected. The left and right abutting sides 2 and 2 of the shelf plate 1 are respectively brought into contact with the left and right wall surfaces W and W of the shelf (see FIG. 3A).

Then, when the single operation handle 11 is rotated, the rotational movement of the bevel gear 12 integrally attached to the handle 11 is applied to the respective bevel gears 10 and 10 of the rotating shafts 6 and 6. Then, the bevel gears 10 and 10 rotate in different directions, and the rotating motions of the rotating shafts 6 and 6 are fixed through the screw portions 8 and 8 of the respective reverse shafts. , 15 and are converted into the forward / backward movements of the slide cylinders 18, 18 by the operation converting portions 20, 20 of the fixing members 15, 15.

Then, the respective slide cylinders 18, 18 simultaneously start the forward movement operation toward the left and right wall surfaces W, W of the corner portion C of the room or the like coaxially, and further continue the rotation operation of the operation handle 11. Since the slide cylinders 18 and 18 move forward while pressing the coil springs 21 and 21 against the respective elastic forces, the outer boxes 16 and 16 are moved forward by the coil springs 21 and 21. .

Therefore, when the outer boxes 16 and 16 are moved forward, the fixing members 15 and 15 provided at the tips of the outer boxes 16 and 16 are moved forward in the left and right wall surfaces W and W directions of the corner portion C, and the fixing projections 24 and 24 are fixed to the shelf plates. The left and right abutting sides 2 and 2 of 1 are projected little by little, and the fixing projections 24 and 24 are sequentially inserted into the left and right wall surfaces W and W of the corner portion C.

At this time, if the left and right fixing protrusions 24, 24 are slightly pierced into the corner wall surfaces W, W and the rotation operation of the operation handle is stopped, the mounting position is confirmed again. However, if it is desired to change the position, the operating handle 11 can be rotated in the reverse direction to release the pierced state and the positioning can be performed again. Since the fixing protrusions 24, 24 are stabbed in a small amount, the scratches on the wall surface are also small.

Therefore, the wall surfaces W, W are firmly fixed by the fixing protrusions 24, 24 that are stuck (fixed and fixed) on the respective wall surfaces W, W, so that the shelf board 1 is located at any position of the corner portion C. Is firmly held (see FIGS. 2 and 3B).

Further, when the operation handle 11 is rotated in the direction opposite to the rotation direction at the time of the shelf mounting work, the reverse rotation motion is simultaneously transmitted to the left and right fixing members 15 and 15, and the left and right fixing members are fixed. The members 15 and 15 start backward motion in the opposite direction to the above-described forward motion, and the left and right fixing members 15 and 15 are simultaneously released from the left and right wall surfaces W and W at the corner portions of the room, and the fixing state is released.

Since the fixing protrusions 24, 24 fixed to the corner wall surfaces W, W are always pressed in the wall surface W, W direction by the coil springs (elastic members) 21, 21. Even if the space between the corner wall surfaces W, W is slightly widened (indicated by the arrow in FIG. 3C) while the wall surfaces W, W are fixedly attached, the coil spring (elastic member) 21 , 21, the coil springs (elastic members) 21 and 21 push the fixing action portions 22 and 22 forward (in the direction of the wall surfaces W and W) in accordance with the expansion of the wall surfaces W and W intervals. Therefore, as shown in FIG. 3 (c), the entire sticking action portion 22 protrudes from the abutting edge 2a by the amount of the spread, and the sticking action portions 22 and 22 securely fix the sticking to the wall surfaces W and W. As a result, the shelf board 1 is prevented from falling (see FIG. 3C).

Therefore, even if the corner wall surfaces W, W on which the shelf board 1 is arranged, for example, due to an earthquake or the like, become wider than the original wall surface spacing, the fixing action portions 22, 22 still have the wall surfaces W, W. There is no inconvenience that the shelf board 1 falls off from the shelves.

In this embodiment, two racks having different lengths are provided at the front and rear to firmly hold the shelf board (see FIG. 1), but the number of racks provided is not limited, and one rack may be provided. Well, it may be three or more, and it is optional and can be selected depending on the shape of the shelf board and the condition of the left and right wall surfaces of the corners of the room, etc. If the number of deployments is increased, the shelf board holding power UP will be increased. Needless to say, it can be achieved. Even if the number of arrangements is increased as described above, the attaching and fixing work can be performed only by rotating the single operation handle 11, and thus the attaching work is not required.

In the corner shelf structure of the present invention, a plurality of corner shelves may be arranged side by side in the height direction, and different shape shelves or shelves having different sizes may be arranged. It may be provided, and the arrangement combination is arbitrary.

[0059]

[Effect of device]

 The present invention has the above-mentioned structure, and the left and right fixing members can be simultaneously moved forward simultaneously by operating a single handle integrally provided on the back surface of the shelf plate, and the fixing protrusions of the fixing members can be fixed to the corner wall surface in a room or the like. Can be stabbed in the corner, and a shelf with two non-parallel sides that is suitable for the corner shape can be held at the corner part.Detachment work can be rotated in the opposite direction to the mounting work above. By doing so, it is easy to move the left and right fixed parts backwards at the same time.During the installation work, with the left and right fixing protrusions slightly sticking to the corner wall surface, the rotary operation of the operating handle is performed. If you decide to cancel it, you can check the mounting position again at this time, and if you want to change the position, rotate the operating handle in reverse and release the stabbed state once, In addition to the fact that the positioning is possible and the sticking state of the fixing protrusions is slight, there is little damage to the wall surface. Even if the plate is mounted at a predetermined position and positioned, repeated positioning work can be easily performed, making it extremely easy to use.

Further, the present invention has a structure in which the left and right fixing members integrally arranged on the back surface of the shelf plate as described above can be simultaneously and coaxially moved forward so as to be fixed to the left and right wall surfaces of a corner such as a room. Therefore, there is an effect that the respective fixing members are fixed to the left and right wall surfaces of the room or the like without letting the fixing force in the wall surface direction escape to the front, and thereby the shelf plate is firmly and securely held. It can support even a considerable weight.

Further, since the left and right fixing members are fixed to the left and right wall surfaces of a corner such as a room only by rotating a single operation handle, holding the shelf plate at a predetermined position with one hand while holding the other It is possible to provide a new and useful corner shelf structure that has the effect that the fixing work can be performed easily and surely by hand, and that the shelf installation work at the corner portion is very easy and reliable, and the installation time is short.

Unlike the conventional one in which the left and right fixing members are integrally formed on the back surface of the shelf board so that they can be moved forward and backward, and the two are separated from each other, the attachment / detachment work is extremely easy. Moreover, there is no risk of parts being lost.

It is not a structure that is mounted via a bracket like the conventional corner shelf structure, but a mechanism that can be fixed only by rotating a single operation handle is integrally provided on the back surface of the shelf board. Therefore, not only is it easy to install on a shelf, but it also looks good and has an excellent appearance. Therefore, various inconveniences that have conventionally occurred when attaching a shelf to a corner portion of a room or the like are sufficiently eliminated.

An insertion hole for inserting the fixing protrusion of the fixing action portion is provided on one side surface, and the fixing force is strong on both the side surface having the insertion hole and the side surface facing the corner wall surface. 3. The shelf structure according to claim 2, wherein the double-sided tape is provided to form a cartridge, and the cartridge is interposed between each fixing protrusion and the corner wall surface. Move forward to press the cartridges installed in them to the corner wall surfaces, and the double-sided tape provided on the side surfaces of the cartridges is firmly fixed to the wall surfaces, so that the fixing members move toward the wall surfaces. The shelf plate is firmly held by the synergistic effect of the pressing force of and the adhesive force of the tape.

Therefore, even if the corner wall surface is a tile, a metal plate, or the like, and the fixing projections of the left and right fixing members cannot be pierced onto the corner wall surface, the corner wall surface direction is the same as above. It is possible to expect an effect that the fixing force is securely fixed and held to the corner wall surface without loosing the forward force. Therefore, even in such a situation, the above-mentioned respective operational effects can be sufficiently exhibited and the same purpose can be achieved.

Further, by adopting the configuration of the present invention, even if the corner wall surface on which the corner shelf is arranged becomes wider than the original wall space due to factors such as an earthquake, the fixing action part is The action and effect peculiar to the present invention, which is reliable and safe without the inconvenience of being detached from the wall surface and dropping the shelf plate, can be expected.

That is, since the fixing protrusion fixed to the corner wall surface is always pressed in the wall surface direction by the elastic member, the fixing protrusion is fixed between the corner wall surfaces. Even if the corner wall space increases slightly, the elastic member may push the fixing action part forward (wall surface direction) according to the expansion of the wall space within the allowable range of the elastic member. The entire sticking action part protrudes from the abutting edge by the amount of the spread, and the state in which the sticking action part is kept fixed to the wall surface is secured and the shelf plate is prevented from falling, which is safe.

[Brief description of drawings]

FIG. 1 is an embodiment of a corner shelf structure according to the present invention,
The whole perspective view of the state seen from the back side.

FIG. 2 is a vertical sectional front view showing a mounted and held state.

FIG. 3 is a cross-sectional plan view of the vicinity of a fixing member, where (a) is a state before being fixed to a corner wall surface, (b) is a state where it is fixed to a corner wall surface, and (c) is a shelf plate width between left and right corner wall surfaces. Also shows the fixed state when spread.

FIG. 4 is a rear view showing a partially mounted state of a cartridge mounted state.

FIG. 5 is a vertical cross-sectional front view of the fixing action portion of FIG.

FIG. 6 is a vertical sectional front view showing a conventional corner shelf structure.

[Explanation of symbols] [Explanation of symbols]

 1: Shelf plate 2: Contact side 6: Rotating shaft 8: Screw part 10, 12: Bevel gear 11: Operating handle 15: Fixing member 16: Outer box 18: Slide cylinder 20: Operation conversion part 20a: Screw hole 21: Elasticity Member 22: Sticking action part 24: Sticking protrusion 26: Cartridge C: Corner part W: Corner wall surface

Claims (2)

[Scope of utility model registration request] 1. A shelf board having non-parallel left and right contact sides intersecting on an extension line, and a corner provided on the back surface of the shelf board and sandwiched by the non-parallel left and right contact sides of the shelf board. The left and right rotary shafts arranged coaxially so as to be orthogonal to the line that equally divides the parts, the bevel gears provided at the respective ends of the left and right rotary shafts facing each other, and meshed with the respective bevel gears. A single operation handle provided with a bevel gear for transmitting a rotary operation, and arranged on the free end side of each of the rotary shafts, protruding and retracting coaxially from each non-parallel contact edge of the shelf plate. It is composed of a fixing member that is fixed to the left and right wall surfaces of a corner of a room or the like, and the fixing member is provided with an outer box in which the free end side of the rotary shaft is loosely inserted, and slidably arranged in the outer box, and is moved forward. At the limit position, the tip touches the bottom surface of the outer box and slides. A slide cylinder having a topper function, and a slide cylinder integrally provided on the bottom surface of the slide cylinder,
An operation converting portion for screwing a screw portion provided on the outer circumference of the free end side of the rotating shaft to convert the rotational operation of the rotating shaft into the forward / backward movement of the slide cylinder, and the operation converting portion and the inner bottom surface of the outer box on the tip side. A shelf structure for corners, comprising: an elastic member disposed between the outer casing and a fixing action portion provided with a fixing protrusion integrally provided on the outer wall surface on the tip side of the outer box. 2. An insertion hole for inserting a fixing projection of a fixing action portion is provided on one side surface, and the fixing force is strong on both the side surface having the insertion hole and the side surface facing the corner wall surface. 2. The corner shelf structure according to claim 1, wherein a double-sided tape is provided to form a cartridge, and the cartridge is interposed between each fixing protrusion and the corner wall surface.