JP5597445B2 - Storage rack - Google Patents

Description

  The present invention relates to a storage shelf having a mounting surface inclined structure that prevents a stored item from falling by lowering the back side of the stored item mounting surface from the near side when an earthquake occurs.

  The storage shelf is made of parts made of metal or wood. The front surface of the shelf board having a placement surface for placing the stored items on the storage shelf is opened to allow the stored items to be taken in and out. Normally, the stored items are simply placed without being fixed to the mounting surface of the shelf, so when the storage shelf vibrates due to an earthquake or the like, the items energized by the vibration are not It jumps out of the storage surface and falls. In addition, even if it does not fall, the stored items urged by the vibration slide on the mounting surface back and forth and left and right according to the period of the vibration, which causes the center of gravity of the storage shelf to move and the storage shelf itself to collapse. There is.

  Storage shelves include a type of storage rack that is called an open rack and does not have a shelf board and directly supports stored items with a pair of support members such as a pair of left and right cargo supports supported by left and right columns. Also in this open rack, when the storage shelf vibrates due to an earthquake or the like, the stored items urged by the vibration jump out of the support member and fall.

  Various measures have been proposed to prevent the stored items from falling and the storage shelf from collapsing. For example, in order to reduce the vibration applied to the storage shelf, there is a method of using a seismic isolation structure on the shelf body or the base. The seismic isolation structure is expensive because it requires a seismic isolation device separately from the main body. In addition, installation work for the seismic isolation structure is required, and there are many inconveniences for maintaining the seismic isolation performance.

In addition, for example, it is conceivable to make the storage shelf an earthquake-resistant structure so that the storage shelf does not vibrate even when vibration energy is applied to the storage shelf. However, the earthquake-resistant structure requires the storage shelf itself to be a robust structure, which tends to increase costs. In addition, since the weight of the storage shelf becomes heavy, the damage when the storage shelf falls down becomes large, and further, the effect of preventing the fall of stored items cannot be expected.
In view of this, several inventions have been proposed in order to prevent a stored item from falling or a storage shelf from collapsing due to vibration (see, for example, Patent Documents 1 to 6).

  In Patent Literature 1 and Patent Literature 2, when vibration is detected, a rod-like member jumps from the lower side along the front surface of the shelf front, and the rod member closes the shelf front to prevent the stored items from falling. Is described. The rod-shaped member restrains the movement of the stored item from the placement surface of the shelf board under vibration.

  The bookshelf described in Patent Document 3 is such that the storage surface of the shelf is viewed from the loading / unloading port, the front side is high and the back side is low, and the storage surface is directed downward in the depth direction. By tilting, the momentum of the stored item that is about to jump out of the mounting surface of the shelf plate by vibration is reduced, and the stored item remains on the mounting surface.

  The pedestal described in Patent Documents 4 and 5 is a storage shelf installed on the pedestal so that the installation surface of the shelf board or the storage shelf is high on the front side and low on the back side when viewed from the storage port. The shelf is inclined downward in the depth direction, and this inclination reduces the momentum that the stored item tends to jump out of the mounting surface of the shelf due to vibration, so that the stored item stays on the mounting surface. To do.

  In Patent Document 6, the back of the shelf board is supported by a rotating boss, and when the strong earthquake occurs, the rotating boss rotates by the gravity of the shelf board and the article on the shelf board and the force projected forward. An article storage furniture is described in which an article is prevented from jumping out by inclining so that the back side of the article becomes lower. The rotating boss constitutes a kind of cam that rotates around an axis at one corner of a quadrangular shape. Normally, the rotating boss does not rotate by receiving a shelf board on the flat surface of the rotating boss, and the shelf is subjected to strong earthquakes. The plate rotates as it floats while moving forward, so that the shelf plate is in a downward position.

Japanese Patent No. 2826811 JP 2002-112845 A JP 2008-119175 A JP 2006-289015 A JP 2006-289016 A JP 08-242957 A

  In Patent Documents 1 and 2, the rod-shaped member is energized using a spring force so that the rod-shaped member jumps up. Usually, the rod-shaped member is locked in a state of being pushed down against the spring force and the frontage is opened. If the pendulum is held in the state and vibrates due to an earthquake or the like, the pendulum swinging due to the vibration releases the above-mentioned locking, and the rod-shaped member is flipped up by the urging force. However, the conditions for swinging the pendulum vary depending on the vibration direction, period, amplitude, etc., so the operation is likely to vary depending on the characteristics of the earthquake that occurred and the position of the pendulum, and earthquakes with an intensity greater than expected are not generated. Then, the fall prevention mechanism does not operate. Further, when the stored item urged by the vibration collides with the rod-shaped member, the position of the center of gravity of the shelf moves, and the collapse of the storage shelf is also induced.

  In Patent Documents 3 to 5, the shelf surface of the shelf plate is inclined downward in the depth direction when viewed from the entrance of the stored item, so that the shelf surface can be moved from the shelf surface by vibration. This suppresses the momentum when the stored items are about to pop out. Increasing the inclination angle of the shelf plate increases the effect of preventing the fall of stored items, but it is difficult to put in and out stored items, which is inconvenient. Therefore, in order to balance the fall prevention effect and ease of use, it is necessary to pre-tilt at a relatively small angle and cannot be set to a very large tilt angle. The prevention effect and the fall prevention effect cannot be expected.

  In the invention described in Patent Document 6, it is necessary to rotate the shelf receiving rotating boss in order to tilt the shelf when vibration is applied due to an earthquake or the like, and for this purpose, the shelf needs to be lifted once. Therefore, there is a problem that it does not operate unless it resonates conveniently due to an earthquake with a very large seismic intensity or vibration at the time of the earthquake. In addition, since the inventions described in Patent Documents 1, 2, and 6 have movable mechanisms that cooperate with each other, the configuration is complicated, the cost is high, and the operation is not stable.

  The present invention has been made in view of the above problems, and when it vibrates due to an earthquake or the like, the back side of the member supporting the stored item is made lower than the near side, so that the stored item can be stored even if a large earthquake occurs. An object of the present invention is to provide a storage shelf that can prevent the storage shelf from falling and also prevent the storage shelf from collapsing at a low cost.

  Another object of the present invention is to provide a storage shelf that facilitates the return of the current state of the support member whose back side is lower than the near side due to an earthquake, in addition to the above object.

  The present invention includes a pair of vertical members that form a skeleton of a storage shelf and support members that are locked to the vertical members, and that are locked to the left and right vertical members as viewed from the entrance of the stored item. The storage shelf is supported by the support member, and the support member is movable in the front-rear direction as viewed from the entrance of the storage object with respect to the vertical member by vibration. The main feature of the locking portion of the support member is that it is stepped so that the back side is lower than the front side when the support member moves in the front-rear direction.

Another embodiment of the present invention is characterized in that the shelf board is supported by a pair of support members locked to the left and right vertical members, and the shelf board has a placement surface on which the stored items are placed. It is said.
Still another embodiment of the present invention is characterized in that the shelf board is configured to be movable together with the support member in the front-rear direction.
Still another embodiment of the present invention is characterized in that the vertical member is a support column in which a plurality of the vertical members are erected in the front-rear direction and the left-right direction.
Yet another embodiment of the present invention is characterized in that the support member is locked between the support columns arranged in the front and rear direction in the depth direction.

According to still another aspect of the present invention, the engaging portion of the support member by the vertical member includes a sleeve hole formed in the vertical member, and the sleeve hole allows the support member to move in the front-rear direction. It is characterized by having a width of.
According to still another aspect of the present invention, the sleeve hole of the rear column is stepped among the columns before and after the support member is locked, and the locking piece of the support member is locked at the upper stage of the sleeve hole. It is designed to do this.

According to still another aspect of the present invention, when the stepped sleeve hole is connected to the upper step and the lower step by an inclined surface, the support member is moved in the front-rear direction when the locking piece of the support member is at the lower step of the sleeve hole. Accordingly, the locking piece is configured to reach the upper stage of the sleeve hole while sliding on the inclined surface.
Other features of the present invention will become apparent with reference to the embodiments.

  According to the storage shelf having the configuration which is the most main feature of the present invention, when the vibration is caused by an earthquake or the like, the support member locked to the locking portion of the vertical member moves in the front-rear direction, and the stepped above Since the support member falls from the upper stage of the locking portion and the back side of the support member becomes lower than the front side, it is possible to prevent the stored items from falling from the shelf board due to vibration and to collapse the storage shelf body Can be prevented. Usually, even if the mounting surface of the support member forms a horizontal plane or is inclined in advance, the supporting member has only a slight inclination, and does not hinder the daily work of loading and unloading articles. Since the vertical member and the support member need only be stepped, the structure is simple.

  According to another embodiment of the present invention, the sleeve hole as the locking portion of the vertical member is stepped, the upper stage and the lower stage are connected by an inclined surface, and the locking piece of the support member is at the lower stage of the sleeve hole. When the support member is moved back and forth, the locking piece slides on the inclined surface and reaches the upper stage of the sleeve hole. After the prevention of collapse, in order to return the support member to the original position, it is only necessary to move the support member in the front-rear direction, and the return operation becomes extremely simple.

It is a partial cross section side view which shows the principal part of one Example of the storage shelf which concerns on this invention. The example of the latching | locking part in the said Example is shown, (a) is a side view which shows the latching part of the front side support | pillar, (b) is a latching part of the back side support | pillar. It is a partial cross section side view which shows the operation | movement middle of the said Example. It is a partial cross section side view which shows the aspect after operation | movement of the said Example. The relationship between the latching | locking part of the back column in the said Example and a supporting member is shown, (a) is front sectional drawing which shows the mode before operation | movement along the BB line in FIG. 1, (b) ) Is an enlarged front sectional view showing a mode after operation by vibration. The relationship between the latching part of the front support | pillar in the said Example and a supporting member is shown, (a) is front sectional drawing which shows the mode before operation | movement along the AA line in FIG. 1, (b). FIG. 5 is an enlarged front sectional view showing a mode after operation by vibration. It is a partial cross section side view which shows the principal part of another Example of the storage shelf which concerns on this invention. It is a side view which shows the latching | locking part of the back column in the said Example. It is a partial cross section side view which shows the operation | movement middle of the said Example. It is a partial cross section side view which shows the aspect after operation | movement of the said Example. It is a partial cross section side view which shows the principal part of another Example of the storage shelf which concerns on this invention. It is an enlarged side view which shows the relationship between the latching | locking part of the back side support | pillar in the said Example, and a supporting member. It is a partial cross section side view which shows the operation | movement middle of the said Example. It is a partial cross section side view which shows the aspect after operation | movement of the said Example. It is a front view which shows the example of the storage shelf to which this invention is applied. It is a side view of the said storage shelf. It is a front view which shows another Example of the storage shelf which concerns on this invention. The further another Example of the storage shelf which concerns on this invention is shown, (a) is a front view, (b) is a side view. The principal part of the said Example is shown typically, (a) is a normal state, (b) is an expanded side view which shows the state act | operated by the occurrence of an earthquake. The principal part of the modification of the said Example is shown typically, (a) is a normal state, (b) is an expanded side view which shows the state act | operated by the occurrence of an earthquake.

  Hereinafter, an embodiment of a storage shelf according to the present invention will be described with reference to the drawings. The storage shelf according to the present invention operates such that the support member that supports the shelf plate moves in the front-rear direction by vibration, and the back side of the shelf plate is lower than the near side of the shelf plate. Here, “by vibration” means that, for example, when an earthquake occurs or when a person or an object collides with the storage shelf, the kinetic energy generated by the vibration generated in the storage shelf is used. , Meaning.

  In the storage shelf according to the present invention, the support member moves back and forth triggered by vibration generated by an earthquake or collision, and the back side of the shelf board is lower than the front side, or the height difference between the front and back sides of this shelf board is large. It works to do. Accordingly, in the description of the present invention, the term “vibration” means a motion or action caused by an earthquake or a person / thing collision, and is not limited to any kind.

  The storage shelf which concerns on this invention WHEREIN: Let the side which takes in / out a stored item with respect to the shelf board or storage space which has the mounting surface of a stored item be frontage side. In the storage shelf according to the present invention, the “near side” of the storage shelf, the shelf board, or the support member refers to the storage side of the storage shelf, that is, the front side, and the “rear side” refers to the above “near side” The opposite side, that is, the back side. In the storage shelf according to the present invention, “front and back” is a notation when the front side, that is, the front side, is “front” and the back side is “rear”, and the front and rear directions are the front side and the back side. The direction that connects each other.

  First, an outline of a storage shelf to which the technical idea of the present invention can be applied will be described. 15 and 16, the storage shelf 10 has a shelf plate 11 having a placement surface on which stored items are placed, a shelf holder 12 that is a support member of the shelf board 11, and the shelf holder 12 at a predetermined height. It has the support | pillar 13 which is a perpendicular | vertical member latched in a position. The pillars 13 that are vertical members are the main members that form the skeleton of the storage shelf 10, and a plurality of columns 13 are arranged on the front and rear and on the left and right of the storage shelf 10. The shelf holder 12 has a side plate that occupies a region in an appropriate height direction between the front and rear support columns, and the side plate is in contact with the left and right end surfaces of the shelf plate 11 so that the storage placed on the shelf plate 11 is stored. An object is prevented from falling from the side surface of the storage shelf 10.

  In the example of the storage shelf 10 shown in FIG. 16, the stored items can be taken in and out from both the left and right sides in FIG. 16, and three support columns 13 are erected in the depth direction, that is, the front-rear direction. The central column 13 is used as a common column, and the shelf support 12 is engaged between the central column 13 and the left column 13 in FIG. 16, and between the central column 13 and the right column 13 in FIG. It has been stopped. The front side and the back side in the left side or the right side in FIG. 16, hereinafter, refer to the front side and the back side in a state of facing the front side. .

  1 to 6 show a first embodiment. In FIG. 1, the left column 13 is the front column, and the right column 13 is the back column. In FIG. 1 thru | or FIG. 6, the sleeve hole which is the latching | locking part of the shelf holder 12 is formed in the up-down direction at the side surface of the front and back support | pillar 13 at regular intervals. The cuffs on the front side are denoted by reference numeral 131 and the cuffs on the back side are denoted by reference numeral 132. Two upper and lower locking pieces 123 formed by bending the front edge of the shelf holder 12 are locked in the upper and lower two sleeve holes 131 of the sleeve holes 131 formed in the front support column 13. . Similarly, two upper and lower locking pieces 124 formed by bending the rear edge of the shelf holder 12 to the upper and lower two sleeve holes 132 of the sleeve holes 132 formed in the back column 13 are respectively locked. Has been.

  The locking piece 123 is shown in FIG. 6, and the locking piece 124 is shown in FIG. As shown in FIGS. 5 and 6, the locking pieces 124 and 123 are formed in a downward-facing hook shape, and are inserted into the sleeve holes 132 and 131, respectively. The locking piece 123 is locked to the lower edge that defines the sleeve hole 131. The width in the front-rear direction of the sleeve holes 132, 131 is several times the thickness of the shelf holder 12, and thus the thickness of the locking pieces 124, 123. Within the width range, the locking pieces 124 and 123 and thus the shelf holder 12 can be moved back and forth. As shown in FIG. 2A, the sleeve hole 131 of the front column 13 is a simple rectangular hole. On the other hand, as shown in FIG. 2B, the cuff 132 of the back column 13 has a width that allows the locking piece 124 to move back and forth as described above. About half is about half the width of the upper side, and a step part 134 of the difference between the upper side and the lower side is formed in the horizontal direction on the back side of the sleeve hole 132. As will be described later, the back side sleeve hole 132 has a mode in which the locking piece 124 of the shelf support 12 is locked by the stepped portion 134 and a mode in which the lower end edge 135 is locked. The step 134 in the stepped sleeve hole 132 may be referred to as “upper”, and the lower edge 135 may be referred to as “lower”.

  In normal times, the locking pieces 124 and 123 of the shelf holder 12 are locked to the lower edge 133 of the front upper and lower two sleeve holes 131 and the step part 134 of the upper and lower two sleeve holes 132, respectively. 12 is supported by the front and rear support columns 13 in a posture without inclination. Therefore, the sleeve holes 131 and 132 of the support column 13 are locking portions of the shelf holder 12. The shelf supports 12 are supported at the same height on the opposing surfaces of the columns 13 adjacent to the left and right when viewed from the front of the storage shelf, and the left and right ends of the shelf plate 11 are supported by the shelf supports 12 facing the left and right. Is supported. Both ends in the left-right direction of the shelf board 11 are connected to the shelf receiver 12 by an appropriate connection structure, and the shelf board 11 is also moved integrally with the movement of the shelf receiver 12.

  The shelf plate 11 is made by bending a metal plate, and the front and rear edges and the left and right edges are bent. As shown in FIG. 1 and the like, the front and rear edge portions of the shelf board 11 are bent downward at a right angle, further bent inward at a right angle, and further upward at a right angle to form flanges 115 and 116 in the front and rear. . The ridges are formed in substantially the same manner at both ends in the left-right direction of the shelf board 11. The front and rear saddles 115, 116 and the bottom surfaces of the saddles at both ends in the left-right direction are the same surface, and the bottom surfaces of these saddles are placed on the shelf board support 122 of the shelf support 12. The shelf support 122 is a horizontal plane formed by bending the lower edge of the shelf support 12 at a right angle, and the left and right ends of the shelf 11 are connected to the shelf support 122. The upper surface of the shelf board 11 serves as a placement surface 111 for stored articles.

  FIG. 1 shows a normal mode. As described above, the shelf holder 12 is supported by the front and rear support columns 13 in a posture with no inclination, and the shelf plate 11 also has a horizontal surface with no inclination. Yes. In the normal mode, a difference is set in advance between the front side and the back side of the mounting surface 111 of the shelf board 11 so that the back side height is slightly lower than the front side height. You may leave it.

  When an earthquake occurs in the normal mode shown in FIG. 1, the storage shelf 10 vibrates, and the support column 13, the shelf support 12, and the shelf board 11 vibrate according to respective vibration conditions. Since the latching pieces 123 and 124 of the shelf holder 12 are locked so as to be movable in the front-rear direction by the lower end edge 133 of the sleeve holes 131 and 132 of the support column 13 and the stepped portion 134, the shelf holder 12 moves back and forth by vibration, When it moves forward by a predetermined amount, the locking piece 124 falls off from the step portion 134 of the sleeve hole 132. FIG. 3 shows a state in which the locking piece 124 is being dropped from the stepped portion 134 of the sleeve hole 132. The locking piece 124 that has fallen off from the stepped portion 134 is locked at the lower stage of the sleeve hole 132, that is, at the lower end edge 135. Since the lower end edge 135 of the sleeve hole 132 is at a position lower than the lower end edge 133 of the front sleeve hole 123, the shelf receiver 12 and the mounting surface 111 of the shelf board 11 substantially integrated with the shelf receiver are raised forward (lowered downward). ). FIG. 4 shows a state in which the placement surface 111 of the shelf board 11 is inclined in this way.

  When the mounting surface 111 of the shelf board 11 is inclined as described above, it is possible to prevent the stored items placed on the mounting surface 111 from jumping out from the stored item loading / unloading surface (front surface) side and dropping. it can. In addition, as shown in the example of FIG. 16, in the case where there are shelf plates 11 on both sides in the depth direction of the storage shelf 10, the shelf plates 11 on both sides are inclined downward due to vibration due to an earthquake or the like. Since the storage shelf 10 moves toward the center in the depth direction, the storage shelf 10 is less likely to collapse.

  Note that the front side of the shelf board 11 may be slightly higher than the back side in advance, and the height difference between the front side and the back side may be further increased by vibration. By doing in this way, when the storage shelf is shaken by vibration such as an earthquake and the shelf support 12 and the shelf board 11 are moved backward together with the support column 13, the stored items on the shelf board 11 whose back side is lowered are stored. The rack plate 11 is more resistant to the rearward movement of the shelf board 11, and the shelf board 11 and the shelf holder 12 are easily moved relative to the support column 13. It can be easily dropped from 134, and a more reliable fall prevention effect of the stored items can be obtained.

  In the first embodiment shown in the figure, a step portion 134 is formed on the back side of the sleeve hole 132 formed on the support column 13 on the back side, and the locking piece 124 is detached from the step portion 134 when the shelf holder 12 moves forward. However, a stepped portion 134 may be formed on the front side of the sleeve hole 132 so that the locking piece 124 falls off the stepped portion 134 when the shelf holder 12 moves rearward.

  Next, a second embodiment of the storage shelf according to the present invention shown in FIGS. 7 to 10 will be described. Once the locking piece 124 of the shelf holder 12 has fallen to the lower end edge 135 of the sleeve hole 132 due to an earthquake, it takes a lot of labor to return the shelf board 11 and the shelf holder 12 to their original positions. That is, the back side of the shelf board 11 is pushed up from the lower surface, and the shelf board 11 and the shelf holder 12 are shifted to the back side while the height of the locking piece 124 of the shelf holder 12 is made higher than the step part 134 of the sleeve hole 132. This is because it is necessary to place the locking piece 124 of the shelf holder 12 on the stepped portion 134. Since books and other articles are placed on the shelf board 11, it is not easy to push up the shelf board 11. It is also troublesome to return the shelf board 11 by removing the stored articles one by one. Therefore, in the second embodiment, a shelf return structure is provided so that the return work of the shelf 11 can be easily performed.

  Since most of the second embodiment is the same as the first embodiment, the same components are denoted by the same reference numerals, and different configurations from the first embodiment will be described mainly. 7 to 10, the shape or structure of the sleeve holes 131 formed in the shelf holder 12, the shelf board 11, and the front column 13 are the same as those in the first embodiment, and the column 13 on the back side. The shape of the cuffs is devised. However, one sleeve 132 (upper sleeve in the illustrated example) 132 of the upper and lower sleeves to which the two fastening pieces 124 formed on the upper and lower sides of the shelf holder 12 are fastened is the above-described embodiment. It is the same as the sleeve hole 132 in the example, and the other sleeve hole 136 (the lower side in the illustrated example) is different. That is, as shown in FIG. 8, the sleeve hole 136 is a stepped sleeve hole, but the upper stage and the lower stage, that is, the step part 137 and the lower end edge part 139 are connected by the inclined surface 138. More precisely, an inclined surface 138 is formed that rises from the lower end edge 139 on the front side of the sleeve hole 136 toward the rear stepped portion 137.

  FIG. 7 shows a normal state, in which the upper and lower locking pieces 124 on the back side of the shelf holder 12 are locked to the step portions 134 and 137 (upper stages) of the sleeve holes 132 and 136, and the shelf holder 12 and The shelf board 11 maintains a substantially horizontal posture. In this case as well, in a normal state, a slight inclination may be given in advance so that the height on the back side is slightly lower than the height on the near side of the placement surface 111 of the shelf board 11.

When an earthquake occurs in the normal mode shown in FIG. 7, as in the first embodiment, when the shelf holder 12 moves back and forth and moves a predetermined amount forward, the two locking pieces 124 on the back side are moved. Falls off from the step portions 134 and 137 of the sleeve holes 132 and 136. FIG. 9 shows a state where the locking piece 124 is being dropped from the step portions 134 and 137 of the sleeve holes 132 and 136. The lower locking piece 124 slides down the inclined surface 138 of the sleeve hole 136, the upper locking piece 124 falls directly toward the lower edge 135 of the sleeve hole 132, and the two locking pieces 124 are the sleeves. The holes 132 and 136 are locked at the lower end edges 135 and 139 (lower stage). Since the lower end edges 135 and 139 of the sleeve holes 132 and 136 are located lower than the lower end edge 133 of the front sleeve hole 123, the shelf receiver 12 and the mounting surface 111 of the shelf board 11 substantially integrated with the shelf receiver 12 are provided. It tilts down (upward in front). FIG. 10 shows a state in which the placement surface 111 of the shelf board 11 is inclined in this way.
Thus, the effect by inclining the mounting surface 111 of the shelf board 11 is the same as the effect by the 1st Example.

  According to the second embodiment, when the placing surface 111 of the shelf board 11 is inclined due to vibration such as an earthquake as described above, the structure can be easily returned to the original posture as described below. ing. In the aspect in which the placement surface 111 of the shelf board 11 is inclined as described above, the shelf board 11 is moved to the near side together with the shelf holder 12. Then, the shelf board 11 is pushed toward the back. The shelf holder 12 moves rearward together with the shelf board 11, and the lower locking piece 124 of the two locking pieces 124 on the back side of the shelf holder 12 tilts while sliding on the inclined surface 138 of the sleeve hole 136. The height of the locking piece 124 is increased by being guided by the surface 138. When the lower locking piece 124 reaches the position of the stepped portion 137 of the sleeve hole 136, it is placed on the stepped portion 137 and locked by the stepped portion 137. Since the upper locking piece 124 also reaches the height of the step portion 134 of the upper sleeve hole 132, the upper locking piece 124 is also locked to the step portion 134 of the upper sleeve hole 132. In this manner, the shelf holder 12 returns to the original position shown in FIG. 7, and the shelf plate 111 has a mounting surface 111 substantially horizontal.

  As described above, according to the second embodiment, the shelf plate 11 that has been tilted due to the vibration such as an earthquake can be returned to the original horizontal posture simply by pushing it toward the back. It will be easy.

  In the embodiment shown in FIGS. 7 to 10, the inclined surface that connects the upper and lower stages only to the sleeve hole 136 that locks one of the two locking pieces 124 on the back side of the shelf holder 12. 138 is formed, but the inclined surface 138 may also be formed in the other sleeve hole 132. That is, you may form the inclined surface which connects an upper stage and a lower stage in all the sleeve holes formed in the support | pillar 13 of a back | inner side. By doing so, there is an advantage that the return operation to the original position of the shelf board 11 inclined by a vibration such as an earthquake can be reliably performed.

  In addition, the inclined surface formed in the cuffs for facilitating the return operation of the shelf plate 11 inclined by the vibration such as an earthquake to the original position is opposite to the inclined surface 138 in the embodiment shown in FIGS. You may make it face. That is, a step portion for locking the locking piece of the shelf holder 12 may be provided on the front side of the sleeve hole formed in the back column, and an inclined surface that descends from the step portion toward the back side may be provided. According to this configuration, when the shelf holder 12 moves rearward (backward) relative to the support column 13, the locking piece is dropped from the stepped portion, and the shelf board 11 is inclined. In order to return the inclined shelf board 11 to the original state, the shelf board 11 is pulled to the near side.

  11 to 14 show a third embodiment. In the second embodiment, the shelf board can be easily restored to its original shape by moving the slanted surface of the sleeve hole while the latching piece of the shelf holder is in sliding contact. In the embodiment, the shelf plate inclined by an earthquake or the like can be easily restored to its original shape by inclining the locking piece of the shelf support.

  11 to 14, the sleeve hole 131 formed in the front column 13 and the sleeve hole 132 formed in the back column 13 are the same as the sleeve holes 131 and 132 in the first embodiment. Is formed. That is, the front sleeve hole 131 is a vertically long rectangular hole, and the back sleeve hole 132 is a hole having a stepped portion 134. Two locking pieces 124 and 126 formed by bending up and down the edge on the back side of the shelf holder 12 are locked to the step portions 134 of the upper and lower sleeve holes 132, respectively, so that the shelf is substantially integral with the shelf receiver 12. The plate 11 is supported so that its mounting surface 111 is substantially horizontal. The upper locking piece 124 of the two locking pieces 124 and 126 is bent so as to form a vertical surface, while the lower locking piece 126 increases from the front toward the back. It is formed so as to be an inclined surface in the direction.

  11 and 12, as described above, the two locking pieces 124 and 126 are respectively locked to the step portions 134 of the upper and lower sleeve holes 132, and the mounting surface 111 of the shelf board 11 is substantially horizontal. . In this state, when the storage shelf vibrates due to an earthquake or the like, the two locking pieces 124 and 126 fall off from the step portion 134 (upper step) of the sleeve hole 132 and the lower end edge of the sleeve hole 132 in the same manner as in the previous embodiment. It is locked by 135 (lower stage). FIG. 13 shows a state in which the locking pieces 124 and 126 are being dropped from the stepped portion 134 of the sleeve hole 132, and FIG. 14 shows a state in which the locking pieces 124 and 126 are locked by the lower end edge portion 135 of the sleeve hole 132. The shelf receiver 12 and the shelf board 11 from which the locking pieces 124 and 126 are removed from the stepped part 134 of the sleeve hole 132 are lower on the back side than the front side, and the placement surface 111 of the shelf board 11 is inclined downward. Thereby, the fall prevention effect of the stored thing and the fall prevention effect of a storage shelf similar to the said Example can be acquired.

  In order to return the inclined shelf 11 to the original horizontal plane, the shelf 11 is pushed toward the back. The shelf holder 12 together with the shelf board 11 is pushed toward the back, and the locking piece 126 formed to be inclined is a stepped portion 134 of the sleeve hole 132 and a vertical edge portion extending downward from the front end of the stepped portion 134. It abuts on the corner formed by. When a pressing force toward the back of the locking piece 126 is applied to the contact point, a component force that pushes up the locking piece 126 is generated, and the back side of the shelf support 12 is pushed up by this component force. When the locking piece 126 is pushed up to a height position where the locking piece 126 is locked to the stepped portion 134, the upper and lower locking pieces 124 and 126 are both locked to the stepped portion 134, and the shelf board 11 takes a horizontal posture. Return to the original position.

The step portion of the sleeve hole of the back column 13 is formed on the opposite side in the front-rear direction of the above embodiment, that is, on the front side of the sleeve hole, and is inclined at the corner of this step portion in the opposite direction to the above embodiment. It is also possible to make the latching piece of the shelf holder contact. In this case, by pulling the shelf receiver 12 together with the shelf board 11, an upward component force can be generated at the contact point between the corner and the locking piece, and the shelf board 11 can be pushed up.
Further, in the embodiment shown in FIGS. 11 to 14, only one locking piece 126 of the locking pieces 124 and 126 on the back side of the shelf holder 12 is inclined. May be inclined in the same direction.

  Also in the third embodiment described above, the sleeve holes 132 of the rear column 13 among the front and rear columns 13 for locking the shelf holder 12 as a support member are stepped. The upper stage or step part 134 is configured to lock the locking pieces 124 and 126 of the shelf holder 12. And the latching piece 126 of the shelf holder 12 latched by the sleeve hole of the back side support | pillar 13 which has a step is inclined in the front-back direction, and the said latching piece 126 is the lower stage of the said sleeve hole, ie, When the shelf holder 12 is moved in the front-rear direction when it is at the lower end edge portion 135, the upper portion of the sleeve hole, that is, the step portion 134, while the locking piece 126 slides on the corner of the step portion 134 of the sleeve hole. It is configured to reach. Also in this embodiment, the shelf board 11 inclined by an earthquake or the like can be returned to the original almost horizontal posture simply by pushing inward or pulling it forward, so that the work of returning the shelf board can be easily performed. Become.

  Each embodiment described so far was a storage shelf of a type in which a shelf plate on which stored items are placed is supported by shelf supports as left and right support members, but the technical idea according to the present invention is referred to as an open rack. Also, the present invention can be applied to a storage shelf that does not have a shelf board and directly supports stored items with a pair of support members such as a pair of left and right cargo supports supported by left and right support columns. This is the embodiment shown in FIG. In FIG. 17, the structure of the support | pillar 13, the support member 12 as a vertical member which comprises the frame | skeleton of a storage shelf, and the structure of the latching | locking part of the support member 12 by the front-and-back support | pillar 13 are either of the structure of said each Example. Can be selected and adopted. The difference from the above-described embodiments is that there is no shelf plate, and the left and right ends of the stored item 20 are directly supported by the support portions 122 formed by bending the lower portions of the pair of left and right support members 12 in the horizontal direction. It is a point that has been.

  Also in the embodiment shown in FIG. 17, when the storage shelf is shaken by an earthquake, the support member 12 moves back and forth with respect to the support column 13, and the support member is supported by the engaging portion on the back side of the stepped support member 12. 12, the back side is lower than the near side. A pair of support members may be connected by a member (not shown) so that the pair of support members 12 are synchronized and the back side is lowered, or may be integrally formed.

  The vertical member forming the skeleton of the storage shelf is not limited to the column used in the embodiments described so far, and may be, for example, a side plate, and the material may be metal or wood. Well, any material may be selected. The embodiment shown in FIGS. 18 to 20 is an embodiment in which the technical idea of the present invention can be applied to a wooden storage shelf. As shown in FIG. 18, the storage shelf has side plates 23 that form the framework of the storage shelf on both the left and right sides, and the left and right ends of the shelf plate 21 are supported by the left and right side plates 23. The lower ends of the left and right side plates 23 are connected to the bottom plate, and the upper ends are connected to the top plate. An example of the support structure of the shelf board 21 by the side plate 23 is shown in FIG. 19, and another example is shown in FIG.

  In both the example shown in FIG. 19 and the example shown in FIG. 20, two front and rear pins 211 are provided on the left and right end faces of the shelf plate 21, and these pins 211 are slit-like holes provided in the side plate 23. It fits in. In the example shown in FIG. 19, the front hole 231 extends in the horizontal direction, and the rear hole 232 extends in the horizontal direction and has a notch 233 whose front end is bent downward at a right angle. FIG. 19A shows a normal state, where the front and rear pins 211 are located at the rear ends of the holes 231 and 232, and the shelf plate 21 is maintained in a substantially horizontal posture while the pins 211 and holes It is locked by a locking portion consisting of 231 and 232. When the storage shelf vibrates due to the earthquake, the shelf plate 21 relatively moves back and forth with respect to the side plate 23, and the pin 211 on the back side falls into the notch 233 following the hole 233 as shown in FIG. The back side is lower than the front side. In this way, the stored items placed on the shelf board 21 can be prevented from dropping from the frontage surface, as in the above-described embodiment.

The example shown in FIG. 20 is obtained by changing the shape of the hole into which the back-side pin 211 fits in the example shown in FIG. 19 as follows. In Figure 20, holes 234 in the back side, and has a notch 235 and the previous end extended portion horizontally bent at a right angle downwardly, extending from the bottom of the notch 235 (bottom) in the horizontal direction And an inclined surface 236 that reaches the center in the length direction of the portion (upper stage).

  FIG. 20A shows a state in a normal state, where the front and rear pins 211 are located at the rear ends of the holes 231 and 234, and the shelf board 21 is maintained in a substantially horizontal posture while the pins 211 and holes It is locked by a locking portion consisting of 231 and 234. When the storage shelf vibrates due to the earthquake, the shelf plate 21 moves back and forth relative to the side plate 23, and the pin 211 on the back side falls into the notch 235 through the inclined surface 236 of the hole 234 as shown in FIG. The shelf board 21 is lower on the back side than on the near side. In this way, the stored items placed on the shelf board 21 can be prevented from dropping from the frontage surface, as in the above-described embodiment. And in order to return the inclined shelf board 21 to an original horizontal attitude | position, the shelf board 21 is pushed toward back. Then, the front and rear pins 211 move toward the rear ends of the holes 231 and 234, and the back-side pins 211 reach the upper stage from the lower stage of the hole 234 along the inclined surface 236 of the hole 234. Stopped. Thus, according to the example shown in FIG. 20, it is easy to return the inclined shelf board 21 to the original shape.

According to the present invention, although it has a relatively simple configuration, it is possible to prevent storage articles from falling during an earthquake and to prevent the storage rack from falling or collapsing, so that there is a demand for a storage shelf that can ensure safety during an earthquake. There is expected.
In addition, those equipped with a structure that facilitates the return of the shelf after the mounting surface tilt structure functions, for example, in a facility that owns a large amount of containment such as a library, along with ensuring safety during an earthquake, Because it is easy to return after an earthquake, demand is expected in facilities and offices that require a quick return after an earthquake.

10 Storage shelf 11 Shelf 12 Support member (shelf holder)
13 Column 111 Mounting surface 123 Locking piece 124 Locking piece 131 Sleeve hole 132 Sleeve hole 134 Step part 133 Bottom edge edge of sleeve hole 135 Bottom edge edge of sleeve hole

Claims (13)

A vertical member that forms the framework of the storage shelf;
A support member locked to the vertical member,
A storage shelf in which stored items are supported via a pair of support members that are locked to the left and right vertical members as viewed from the outlet of the stored items,
The support member is movable in the front-rear direction as viewed from the entrance of the stored item with respect to the vertical member by vibration,
A storage shelf in which the engaging portion of the support member by the vertical member is stepped so that the back side becomes lower than the near side when the support member moves in the front-rear direction.   The storage shelf according to claim 1, wherein the shelf board is supported by a pair of support members locked to the left and right vertical members, and the shelf board has a placement surface on which the stored items are placed.   The storage shelf according to claim 2, wherein the shelf board is integrally movable with the support member in the front-rear direction.   The storage shelf according to claim 1, 2, or 3, wherein the vertical member is a support column that is erected in front and rear and left and right.   The storage shelf according to claim 4, wherein the support member is locked between the support columns arranged in the front and rear directions in the depth direction.   The locking portion of the support member by the vertical member is formed of a sleeve hole formed in the vertical member, and the sleeve hole has a width in the front-rear direction that allows the support member to move in the front-rear direction. The storage shelf in any one of thru | or 5.   The storage shelf according to claim 6, wherein the back side cuffs of the front and rear cuffs for locking the support member are stepped, and the locking pieces of the support member are locked at the upper stage of the cuffs.   In the stepped sleeve hole, the upper step and the lower step are connected by an inclined surface, and when the locking piece of the support member is in the lower step of the sleeve hole, the locking piece is moved to the inclined surface by moving the support member in the front-rear direction. The storage shelf according to claim 7, wherein the storage shelf is configured to reach the upper stage of the sleeve hole while sliding on the sleeve.   When the locking piece of the supporting member is in the lower stage of the sleeve hole, the supporting member is moved in the front-rear direction so that the locking piece slides on the inclined surface and reaches the upper stage of the sleeve hole. The storage shelf according to claim 8.   One support member has two locking pieces on the front and back, respectively, and at least one sleeve hole for locking the two locking pieces on the rear side has an inclined surface connecting the upper and lower stages. The storage shelf according to claim 8 or 9.   The locking piece of the support member locked by the stepped back sleeve hole is inclined, and the support member is moved back and forth when the locking piece is at the lower stage of the sleeve hole. The storage shelf according to claim 7, wherein the locking piece is configured to reach the upper stage of the sleeve hole while sliding on the step part of the sleeve hole.   The storage shelf according to claim 11, wherein one supporting member has two locking pieces on the front and back, and at least one of the two locking pieces on the rear side is inclined. A vertical member that forms the framework of the storage shelf;
And the shelf plate as viewed from the loading and unloading opening of the housing thereof is engaged with the right and left of the vertical member, a storage rack having,
The shelf plate is movable in the front-rear direction as viewed from the entrance of the stored item with respect to the vertical member by vibration,
The locking portion of the shelf board by the vertical member includes a pin provided on the front and back of the side end surface of the shelf board, and a hole provided on the vertical member side into which each of these pins fits,
The hole is composed of front and rear slit-shaped holes,
Rear side of the hole, the upper portion extending in the horizontal direction, one end they become stepped made from the lower portion consisting of bent cut downward, the cut when the shelf plate is moved in the longitudinal direction The above pin on the back side can be depressed,
The hole on the back side is also an inclined surface connected to the bottom of the notch from the middle of the length of the slit-like hole, and the shelf board moves back and forth when the pin on the back side falls into the notch A storage shelf configured so that the pin reaches the upper portion of the hole while sliding on the inclined surface .

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