JP2013172949A - Easy knock-down shelf - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an easy knock-down shelf used to display merchandise in a store or the like, the shelf unfolded in a thin shape when transported or stored, vertically raising both side panels forward to raise a plurality of shelf boards when assembled, and assembled by considerably simple operation.SOLUTION: An easy knock-down shelf includes: a back side member; bilaterally symmetrical side members connected to both right and left sides of the back side member through vertical folding lines in a manner to be bent forward, and a plurality of shelf board members mounted horizontally to the back side member at predetermined intervals in a height direction. The back side member and the right and left side members are unfolded flat, hooking projection pieces on both sides of the shelf board members are held to be hooked inward from horizontal cut lines of the right and left side members, and the right and left side members being stood are vertically raised forward, so that the shelf board members are inclined forward by their own weight, and the hooking projection pieces on both sides of the shelf board members are hooked into the horizontal cut lines of the right and left side members.

Description

  The present invention relates to a simple assembling shelf configured so that a shelf having a structure convenient for transportation and storage can be easily assembled on site when a commodity is displayed in a store or the like.

  Conventionally, when displaying merchandise at a store or the like, in addition to displaying the product on a shelf provided in the store, a relatively light product may be displayed on a small shelf made of cardboard or the like. Such cardboard shelves are conveniently delivered to the site in an unfolded form and assembled on site to enable the display of merchandise.

  Here, the “suspended display paper container” described in Patent Document 1 is referred to as a conventional technique. This paper container has a shelf structure that is assembled by a method in which a blank board manufactured by punching a paperboard material is folded and attached in a cylinder. The structure is such that the back plate formed integrally with the front plate is bent at the folding line and turned behind the front plate, and the locking piece provided on the back plate is inserted into the notch provided on the shelf, etc. Through this work, a plurality of shelves can be formed in the height direction.

  However, in such a conventional shelf structure, in order to assemble the unfolded shape at the site, it requires a certain level of skill and labor, and those who are unfamiliar with such work can easily and quickly at the site. It is difficult to assemble.

  Considering such a conventional shelf structure, it is desirable to use a simple structure and to have a flat and thin unfolded shape in consideration of the space during transportation and storage. Further, at the time of assembly, it is desirable to have a simple assembly structure that can be quickly assembled by a simple operation even by a person who is not particularly skilled.

Japanese Patent No. 4447088

  The present invention has been made in view of the above circumstances, and is a simple assembly shelf used when displaying goods in a store or the like, and can be formed into a thin unfolded shape when transported or stored. An object of the present invention is to provide a simple assembling shelf that can be assembled by a very simple operation in which a plurality of shelf members are also raised by the action of raising the side members on both sides vertically at the time of assembly.

  In order to solve the above-mentioned problems, the simple assembly shelf according to claim 1 of the present invention is a bilaterally symmetric shape in which a rear member and a left and right sides of the rear member are connected to each other so as to be foldable forward through a vertical folding line. Side members, and a plurality of shelf members mounted horizontally at predetermined intervals in the height direction of the back member, and the left and right side members are formed by bending the outer side surface and the inner side through thin width portions. And forming an arc-shaped cut surface in which a horizontal cut line and an arc-shaped cut line are continuously formed on the inner side surface of each side member, and forming a horizontal cut line and an arc-shaped cut line. The folding line formed in the vertical direction is formed at a position closer to the outer end than the vertical folding line formed at the end of the arc-shaped cut surface, and each shelf member is It is formed so that it can be bent in the forward bending direction at the place where it is attached to the back member, and it is downward from both the left and right sides of each shelf member. It has a locking piece formed by bending and a protruding locking piece formed at the rear end of each locking piece, and the back member and the left and right side members are flattened and protruded on both sides of each shelf member. Keeping the locking pieces locked inward from the horizontal cut lines of the left and right side members, each rack member tilts forward with its own weight when raising the left and right side members in the vertical direction forward In addition, the protruding locking pieces on both sides of each shelf member are locked to the horizontal cut lines of the left and right side members.

  According to a second aspect of the present invention, there is provided a simplified assembling shelf according to the first aspect, wherein each shelf member is formed with a rectangular upper surface and a lower bottom surface that are matched with each other via a folding line. An insertion piece is formed on the lower bottom surface at the inside of the curve, and the insertion piece is inserted into and fixed to a cut line formed horizontally at a predetermined interval in the height direction of the back member. On the other hand, a front rising piece is formed at the front end of the upper bottom surface of each shelf member, and a side rising piece connected to the front rising piece is formed along the left and right sides of the upper bottom surface. The left and right side upright pieces and the front upright piece are formed to be foldable into a flat shape, and are formed at the rear end of the locking piece and the locking piece that is bent downward on both sides of the lower bottom surface. A protruding locking piece is formed.

  The simplified assembly shelf according to claim 3 of the present invention is the simplified assembly shelf according to claim 1 or 2, wherein the projecting pieces in the shape of a square are formed on the front end sides of the side-side standing pieces on both sides, and each projecting piece is In a state where both ends are adhered with an adhesive, the side rising pieces on both sides and the front rising pieces on both sides folded by an inclined folding line formed near the front end of each side rising piece are crushed flat. It is made possible to do.

  Furthermore, the simplified assembly shelf according to claim 4 of the present invention is the simplified assembly shelf according to claim 3, wherein the front rising piece is folded in two along a folding line parallel to the front end of the upper bottom surface, and at the front end of the front rising piece. A folded piece that protrudes through a folding line is formed, and a square-shaped protruding piece formed on the front end side of the side rising parts on both sides is adhered to both ends of the front rising piece with an adhesive, and the front rising piece The folded piece is interposed between the protruding pieces on both sides in a state where the fold is folded in two.

  According to the simple assembly shelf of the present invention, it can be developed into a thin flat shape at the time of transportation and storage, so that it can be stored in a narrow space without being bulky during transportation and storage. In addition, when assembling the simple assembly shelf of the present invention at a shop or the like, each of the left and right side members provided between the left and right side members in accordance with the operation of raising the left and right side members in the vertical direction in a standing state. The shelf members tilt forward due to their own weight, and at this time, by manually pushing down each shelf member, the protruding locking pieces on both sides of each shelf member are locked to the horizontal cut lines of the left and right side members, thereby simplifying assembly. Shelf setting is complete.

  For this reason, according to the simple assembly shelf of the present invention, it is possible to finish the assembly work quickly and easily with a very simple operation without requiring a tool as described above, even if it is not a particularly skilled person. Is possible. Also, when the simple assembly shelf after assembly is withdrawn, it is possible to return to the original thin and flat unfolded shape by simply performing the above-described operation in reverse.

  Furthermore, since the structure after assembling of the present invention has a relatively strong structure after assembling, for example, it is installed in a gas station to display a sponge of a cleaning tool, etc. Various articles can be placed and used in a wide range of fields.

(A) is the front view after the assembly of the simple assembly shelf in Example 1 of this invention, (b) is a rear view. It is an expanded view of the back member and the side member of both sides in Example 1 of this invention. It is an expanded view of the back member and left side member in Example 1 of this invention. It is the expanded view which fixed the side member of both sides to the back member in Example 1 of this invention. (A) (b) is the sectional view on the AA line in FIG. 4, (c) (d) is the sectional view on the BB line in FIG. 4, (a) (c) shows the unfolded state, (b) (d) shows the state which raised the side members on both sides forward. It is an expanded view of the shelf member in Example 1 of this invention. It is a perspective view after the assembly of the shelf member in Example 1 of this invention. It is an expanded view which shows the state which fixed the side member on both sides to the back member in Example 1 of this invention, and attached the several shelf member to the back member. It is a fragmentary perspective view after the assembly of the simple assembly shelf in Example 1 of this invention. It is the whole perspective view after the assembly of the simple assembly shelf in Example 1 of the present invention. It is an expanded view of the shelf member in Example 2 of this invention. (A) is a principal part enlarged view of the shelf member in Example 1 of this invention, (b) is a principal part enlarged view of the shelf member in Example 2. FIG. (A)-(d) is a perspective view which shows the assembly process of the shelf member in Example 2 of this invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  As shown in FIG. 1A, the simplified assembly shelf 1 of this embodiment shows a front view after assembly, and a rear view after assembly is shown in FIG. 3 is formed as a shelf structure having a vertically long rectangular parallelepiped. As shown in FIG. 8, the basic structure of such a shelf structure includes a rear member 2 and left and right sides that are connected to both sides of the rear member 2 so as to be foldable forward via longitudinal folding lines 6a and 6b. It is set as the structure provided with the several shelf member 7 attached to the side members 3 and 3 and the back member 2 in the height direction at predetermined intervals horizontally.

  In addition, although a present Example demonstrates the shelf structure which has the shelf member 7 of 3 steps | paragraphs as an example, it is also possible to comprise in the number of other steps.

  Also, as shown in FIG. 2, the left and right side members 3 and 3 are formed in a symmetrical shape, and therefore, for convenience of explanation, only the back member 2 and the left side member 3 are shown in FIG. Will be described. In FIG. 3, the side member 3 is formed in a vertically long rectangular shape using corrugated cardboard or the like, and two folding lines 4 a are interposed via a thin width portion 8 at a location where the entire width of the side member 3 is partitioned in the vertical direction at the center. 4b is formed, and the outer surface 9 and the inner surface 10 having the same shape are formed so as to be foldable via the width portion 8.

  As shown in FIG. 3, two folding lines 5 a, 5 b, 6 a, and 6 b having the same width are formed at both ends of the side member 3. Among these, a plurality of (three in this embodiment) cutout holes 11 are formed between the folding lines 5a and 5b formed in the outer end portion 9a of the outer surface 9 with a predetermined interval in the height direction. Yes.

  The cutout hole 11 serves as a space for a protruding locking piece 26 at the rear end of the locking piece 25 formed on both sides of the shelf member 7 to enter and exit when the rack member 7 described later is bent forward. It functions (see FIG. 1B or FIG. 9). Therefore, the plurality of cutout holes 11 formed in the height direction of the side members 3 and 3 are formed at a height at which the protruding locking piece 26 of the locking piece 25 of the shelf member 7 enters and exits.

  Further, as shown in FIG. 3, the inner side surface 10 of the side surface member 3 has a horizontal score line 12 and an arc-shaped score line at a predetermined interval in the height direction along the side close to the rear member 2. An arcuate cut surface 14 is formed, which is formed continuously in plural (three places in the present embodiment) at a predetermined interval. In such a configuration, the folding line formed in the vertical direction between the horizontal score line 12 and the arc-shaped score line 13 (referred to as the “outer folding curve 6a” in this embodiment) has an arc shape. It is formed at a position closer to the outer end portion 10a than a vertical folding line (referred to as "inner folding line 6b" in this embodiment) formed at the end of the cut surface 14.

  In the left and right side members 3 and 3, as shown in FIG. 10, an inclined side 15 is formed at the front upper portion of each side member 3 and 3. Therefore, as shown in FIG. 2 or 3, even in the developed shape of each side member 3, the inclined side 15 is formed at the upper part of the folding lines 4 a and 4 b of the central width portion 8, and is in contact with the inclined side 15. An inclined bent piece 10c is formed at the position.

  In such a configuration, when the side members 3 are assembled, the outer side surface 9 and the inner side surface 10 are bent at the center folding lines 4a and 4b, and the outer end portion 9a of the outer side surface 9 and the outer side surface 10 are separated from each other. The end 10a is matched and fixed with the adhesive B. Further, the inclined bent piece 10c on the upper side of the side member 3 is bent along the folding line 10e, and then bonded with the adhesive B. Further, the upper end bent piece 10 b formed at the upper end of the inner side surface 10 is bent along the folding line 10 d and bonded to the upper end of the outer side surface 9 with the adhesive B.

  On the other hand, as shown in FIG. 3, the back member 2 is formed of corrugated cardboard or the like as a whole and is formed in a vertically long rectangular shape, and a plurality of horizontally formed inner surfaces with predetermined intervals in the height direction. (In this embodiment, three) cutting lines 16 are formed, and the insertion pieces 22 of the shelf member 7 described later are inserted into the respective cutting lines 16 and locked.

  Furthermore, the recessed part 17a is formed in the side part of the both sides of the back member 2 at intervals in the height direction. Each concave portion 17 a is formed in a concave shape so as to contact the inner folding line 6 b between the horizontal cut line 12 and the arc-shaped cut line 13 of the side member 3, and the outer side of the back member 2. 17b is formed to have a width substantially the same as the thickness of the width portion 8 of the side member 3.

  A folded portion 2a is formed at the upper end of the back member 2, and the upper portion of the back member 2 is reinforced by folding back at a folding line 2b of the folded portion 2a and fixing it to the upper end of the back member 2 with an adhesive B. As well as making it look good.

  In order to attach the left and right side members 3 and 3 along both sides of the back member 2, the side members 3 and 3 disposed on both sides of the back member 2 are attached to the center as shown in FIG. The outer side surface 9 and the inner side surface 10 are fixed in a state of being bent at two folding lines 4a and 4b. With such a configuration, as shown in FIG. 4, the left and right side members 3, 3 are fixed to both sides of the back member 2, and the side members 3, 3 are separated from the outer folding line 6a and the inner folding line 6b. It becomes the structure formed so that it could be bent by the fold curve which becomes.

  This configuration will be described in more detail. FIGS. 5A and 5B, which are cross-sectional views taken along the line AA in FIG. 4, and FIGS. 5C and 5D, which are cross-sectional views taken along the line BB in FIG. As shown in FIG. 4, the side members 3 are bent at the center two folding lines 4a and 4b so that the inner surface 9 and the outer surface 10 face each other through the width portion 8, and both ends of the side member 3 The two folding lines 5 a, 5 b, 6 a, 6 b are joined together with an adhesive B in a state where they match each other. In this state, when the end portion of the side member 3 is bonded to the back surface of the end portion of the back member 2 with the adhesive B, each side member 3 is moved along the back member 2 as shown in FIGS. From the unfolded state, each side member 3 can be bent vertically forward as shown in FIGS.

  At this time, an arc formed of the horizontal cut line 12 and the arc-shaped cut line 13 as shown in FIGS. The shape cut surface 14 is pushed into contact with the inside of the outer surface 9, and a gap 18 is generated inside the horizontal cut line 12.

  On the other hand, as shown in FIG. 6 or FIG. 7, each shelf member 7 has a rectangular upper surface 19 and a lower bottom surface 20 that are matched with each other via a folding line 21. An insertion piece 22 is formed by a cut line 22a on the lower bottom surface 20 side inward. While this insertion piece 22 is inserted into the cut line 16 formed horizontally at a predetermined interval in the height direction of the back member 2 and fixed with the adhesive B, it is attached to the back member 2. Can be bent in the forward bending direction.

  In addition, a front side rising piece 23 is formed at the front end of the lower bottom surface 20 of each shelf member 7, and the front side rising piece 23 is folded in two through a folding line 23a. It also functions as a reinforcing structure in the width direction of the front rising piece 23 of the member 7.

  Further, triangular projecting pieces 23 b are formed on both side portions of the front rising piece 23 on the upper bottom surface 19 side. When the side upright pieces 24, 24 are bent and raised at the folding lines 19a, 19a on both sides of the upper bottom surface 19, the protruding pieces 23b, 23b on both sides of the front upright piece 23 are connected to the side upright pieces 24, 24. In addition to being bonded to the end portion of the side portion by an adhesive B, it is formed so as to be foldable so as to be flattened by folding lines 24a and 24a formed at the respective end portions of the side rising pieces 24 and 24. Further, in each shelf member 7, a locking piece 25 that is bent downward on both sides of the lower bottom surface 20 and a protruding locking piece 26 are formed at the rear end of each locking piece 25.

  In order to assemble each of the shelf members 7, the side upright pieces 24, 24 on both sides of the upper bottom surface 19 are raised at the both sides, and the front upright piece 23 is bent at the fold line 23 a. Start up and form. Further, the lower bottom surface 20 is bent downward along the folding line 21, and the lower bottom surface 20 is adhered to the lower surface of the upper bottom surface 19 with the adhesive B, and the locking pieces 25, 25 on both sides are folded on the folding lines 20a, 20a. The locking pieces 25, 25 projecting downward are formed on both sides of the shelf member 7 by bending downward, and the projecting locking pieces 26, 26 are formed on the respective locking pieces 25, 25.

  In order to assemble the simple assembly shelf 1 of the present embodiment using each of the above-described constituent members, the insertion pieces 22 of the shelf members 7 are inserted into the cut lines 16 of the back member 2 as shown in FIG. As shown in FIG. 1B, the insertion piece 22 is bent downward and bonded to the back surface side of the back member 2 using an adhesive B. At this time, each shelf member 7 is flattened toward the side member 2 so that the simple assembly shelf 1 of the present embodiment can be kept in a thin unfolded shape.

  Further, as shown in FIG. 8, when the simplified assembly shelf 1 of the present embodiment is developed, the protruding locking pieces 26, 26 of the locking pieces 25, 25 on both sides are placed inside the side members 3, 3 on both sides. It is inserted inside the horizontal score lines 12 and 12 of the side surfaces 10 and 10. In the present embodiment, it is possible to store or transport the simple assembly shelf 1 in such a developed shape while keeping the simple assembling shelf 1 thin.

  Furthermore, in order to assemble the simple assembly shelf 1 of the present embodiment configured as described above at the site or the like, first, the left and right side members 3 and 3 are placed with the unfolded state shown in FIG. Wake up vertically. At this time, in the unfolded state of FIG. 5 (a) or (c), each arc-shaped cut surface 14 that has maintained the same surface as the inner surface 10 of the side member 3 is replaced with FIG. 5 (b) or (d). ), The side members 3 and 3 on both sides are bent forward in the vertical direction to contact the inner surface of the outer surface 9. Further, each arcuate cut surface 14 pushed by the outer surface 9 presses each locking piece 25 of the shelf member 7 which has been developed flat as shown in FIG. Is bent in the lower vertical direction with respect to the lower bottom surface 20. At this time, as described above, the protruding locking piece 26 at the rear end of each locking piece 25 is inserted into each horizontal cut line 12, so that each locking piece 25 is also connected to each horizontal cutting line 12. The state of being inserted inside the cut line 12 is maintained.

  In this state, when the side members 3 and 3 on both sides are raised, as shown in FIG. 8, each shelf member 7 starts to tilt forward due to its own weight. At this time, as described above, the protruding locking piece 26 of each locking piece 25 of each shelf member 7 is tilted forward while maintaining the state of being locked to the horizontal cut line 12 of the side member 3. Then, when each shelf member 7 is manually pushed down to the horizontal state, the folding line 20a of each locking piece 25 of each shelf member 7 is locked to the upper side of the horizontal cut line 12, so that each shelf The member 7 becomes horizontal. Therefore, it is possible to finish the assembly work quickly and easily even at a site or the like, even if the person is not particularly skilled. Also, when the simple assembly shelf of this embodiment after assembly is withdrawn, it is possible to return to the original thin and flat unfolded shape by simply performing the above operations in reverse.

  In addition, as shown in FIG. 10, in order to fix the width of the left and right side members 3 and 3 after assembly, the bending fixing portions 27a and 27a at both ends of the width fixing member 27 are fixed with a double-sided adhesive or the like. This makes it possible to hold the simplified assembly shelf 1 according to the present embodiment without breaking the assembled shape.

  In the present embodiment, a part of the configuration of each shelf member 28 described later is different from the shelf member 7 of the first embodiment, and the other structure is the same as that of the first embodiment. In addition, in FIGS. 11-13 which shows the shelf member 28 of a present Example, the same code | symbol is attached | subjected to the site | part similar to Example 1. FIG.

  As shown in FIG. 11, the shelf member 28 of the present embodiment has a rectangular upper side bottom surface 19 and a lower bottom surface 20 that are matched with each other via a folding line 21, as with the shelf member 7 of the first embodiment. The insertion piece 22 is formed inside the folding curve 21 by the cut line 22a. Further, a front rising piece 23 is formed on the front end of the upper bottom surface 19 of each shelf member 28 via a folding line 19b.

  Further, the front rising piece 23 can be folded in two with a configuration in which it is divided into an inner portion 23c and an outer portion 23d through a folding line 23a parallel to the folding line 19b at the front end of the upper bottom surface 19. . The width in the height direction in which the front side rising piece 23 is folded in two through the folding line 23 a is the height direction of the side side rising pieces 24, 24 formed on both sides of the upper bottom surface 19. It may be substantially the same as the width.

  In such a configuration, as shown in FIG. 11, rectangular projecting pieces 29, 29 are formed on the front end sides of the side upright pieces 24, 24 on both sides of the upper bottom surface 19. Adhesive B is attached to. In a state where these projecting pieces 29 and 29 are bonded to both end portions of the front rising piece 23 (see FIG. 13B), an inclined folding line 24a formed in the vicinity of the front ends of the side rising pieces 24 and 24. , 24a and the side rising parts 24, 24 on both sides and the front rising piece 23 can be flattened (see FIG. 13C).

  In the first embodiment, as shown in FIG. 12A, since the triangular protruding pieces 23b are formed on both sides of the front side rising piece 23, the side side rising pieces 24, 24 on both sides are provided. Bending up and sticking the projecting pieces 23b, 23b on both sides of the front rising piece 23 to the end of each side rising piece 24, 24 with the adhesive B Will be lacking.

  On the other hand, as shown in FIG. 12 (b), in this embodiment, by forming square-shaped projecting pieces 29, 29 on the front end sides of the side upright pieces 24, 24 on both sides, The bonding area can be made wider than that of the one triangular projection piece 23b, and the adhesion strength when bonding to both end portions of the front rising piece 23 can be improved.

  Furthermore, in this embodiment, as shown in FIG. 11, the front rising piece 23 is configured to be folded in two along a folding line 23a, and the folded piece protruding from the front end of the front rising piece 23 via the folding line 30a. 30 is formed.

  In such a configuration, in the present embodiment, the rectangular projecting pieces 29 and 29 formed on the front end sides of the side rising parts 24 and 24 on both sides as described above are bonded to both ends of the front rising piece 23. Adhere with agent B. Then, the front side rising piece 23 is folded in half, and the adhesive B and the outer side portion 23d of the inner side portion 23c of the front side rising piece 23 are disposed with the folded pieces 30 interposed between the protruding pieces 29, 29 on both sides. It is possible to bond with the adhesive B.

  With such a configuration, when the square-shaped protruding pieces 29 and 29 formed on the front end sides of the side rising parts 24 and 24 on both sides are bonded to both ends of the front rising piece 23 with the adhesive B, the rectangular shape However, the folded piece 30 is interposed between the protruding pieces 29 and 29 on both sides in a state where the front rising piece 23 is folded in half. Therefore, the thickness of the rectangular protrusions 29 and 29 on both sides thereof can be filled evenly, and the appearance can be kept good.

  As shown in FIG. 13A, the work for assembling the shelf member 28 of the present embodiment is performed by folding the front rising piece 23 along the folding line 19b and folding the folding piece 30 along the folding line 30a. Overlay the upper surface of the piece 23. Next, as shown in FIG. 13 (b), the protruding pieces 29, 29 are bent inward by the inclined folding lines 24a, 24a of the side rising pieces 24, 24 on both sides, and the protruding pieces 29, 29 are Adhere to both ends of the front rising piece 23.

  Further, as shown in FIG. 13 (c), the front rising piece 23 is folded at a folding line 23a, and the folding piece 30 is interposed between the protruding pieces 29, 29 on both sides. The inner part 23c and the outer part 23d are bonded to each other. In this state, the side upright pieces 24, 24 on both sides and the front upright piece 23 can be flattened.

  Next, as shown in FIG. 13 (d), the front side rising pieces 23, which are folded in two, are raised to bring the side side rising pieces 24, 24 on both sides into a raised state. Then, while the insertion piece 22 is bent downward, the locking pieces 25, 25 on both sides are bent downward along the folding lines 20a, 20a, so that the insertion piece 22 is formed on both sides of the shelf member 28 in the same manner as the shelf member 7 of the first embodiment. The locking pieces 25 and 25 protruding downward can be formed, and the protruding locking pieces 26 and 26 can be formed behind the locking pieces 25 and 25.

  The simple assembly shelf of the present invention is a simple assembly shelf used when displaying products in a store or the like, and can be formed into a thin unfolded shape when transported or stored, and both side plates during assembly. It can be used as a simple assembly shelf that can be assembled by a very simple operation in which a plurality of shelves are also raised by the action of raising the door vertically.

DESCRIPTION OF SYMBOLS 1 Simple assembly shelf 2 Back member 2a Folding part 2b Folding curve 3 Side surface member 4a, 4b Folding curve 5a, 5b Folding curve 6a Outer folding curve 6b Inner folding curve 7 Shelf member 8 Width part 9 Outer side face 9a Outer end of outer side face DESCRIPTION OF SYMBOLS 10 Inner side surface 10a Outer end part 10b of inner side surface Upper end bent piece 10c Inclined bent piece 10d Folded curve 10e Folded curve 11 Cut hole 12 Horizontal cut line 13 Arc-shaped cut line 14 Arc-shaped cut surface 15 Inclined Side 16 Cut line 17a Recess 17b Outer side 18 Clearance 19 Upper bottom surface 19a Folding curve 19b Folding curve 20 Lower bottom surface 20a Folding curve 22 Folding piece 22a Cutting line 23 Front rising piece 23a Folding curve 23b Projection piece 23c Inner portion 23d Outer portion 24 Side rising piece 24a Folding curve 24b Folding curve 25 Locking piece 26 Projection locking piece 27 Width fixing member 27a Bending fixing portion 28 Shelf member 29 Projecting piece 30 Folding piece 30a Bend curve B Adhesive

Claims (4)

A rear member, a laterally symmetrical side member that is connected to the left and right sides of the rear member via a folding line in the vertical direction so as to be foldable forward, and is mounted horizontally at a predetermined interval in the height direction of the rear member. A plurality of shelf members,
The left and right side members have an outer surface and an inner surface that are bent through a thin width portion, and an arc shape in which a horizontal score line and an arc-shaped score line are continuously formed on the inner surface of each side member. The fold line formed in the vertical direction between the horizontal cut line and the arc-shaped cut line is the vertical fold formed at the end of the arc-shaped cut surface. Formed at a position closer to the outer end than the curve,
Each shelf member is formed so that it can be bent in the forward bending direction at the attachment position to the back member, and is formed at the rear end of each locking piece and the locking piece that is bent downward from the left and right sides of each shelf member. And a protruding locking piece
The rear member and the left and right side members are flattened, and the protruding locking pieces on both sides of each shelf member are held inwardly from the horizontal cut lines of the left and right side members, When the members are stood up in the vertical direction, each shelf member tilts forward with its own weight, and the protruding locking pieces on both sides of each shelf member are locked to the horizontal cut lines of the left and right side members. A simple assembly shelf characterized by the fact that Each shelf member is formed with a rectangular upper side bottom surface and a lower bottom surface that are matched with each other via a folding line, and an insertion piece is formed on the lower bottom surface inside the folding line,
While the insertion piece is fixed by being inserted into a cutting line formed in a horizontal shape at a predetermined interval in the height direction of the back member,
A front rising piece is formed at the front end of the upper bottom surface of each shelf member, and a side rising piece connected to the front rising piece along the left and right sides of the upper bottom surface is formed,
Furthermore, the left and right side upright pieces and the front upright piece are formed to be foldable into a flat shape, and are formed at the rear end of the locking piece and the locking piece bent downward on both sides of the lower bottom surface. The simplified assembly shelf according to claim 1, wherein a protruding locking piece is formed. A square-shaped protruding piece is formed on the front end side of the side rising pieces on both sides, and each protruding piece is adhered to both ends of the front rising piece with an adhesive, near the front end of each side rising piece. 3. The simplified assembly shelf according to claim 1, wherein the side rising parts and the front rising parts on both sides bent by the formed inclined folding line can be flattened. The front rising piece is folded in two with a folding line parallel to the front end of the upper bottom surface, and a folded piece protruding through the folding line is formed at the front end of the front rising piece, so that the side rising on both sides Adhere a square-shaped protruding piece formed on the front end side of the piece to both ends of the front rising piece with an adhesive, and interpose the folded piece between the protruding pieces on both sides with the front rising piece folded in two. 4. The simplified assembly shelf according to claim 3, wherein the simple assembly shelf is configured.