JP2012045025A - Shelf structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To surely prevent a shelf from falling unintentionally in a shelf structure which can be attachably/detachably mounted on a wall surface or the like.SOLUTION: A shelf body 1 is provided with an engaging portion 2 including engaging pieces 3, 3 across a slit 4 having a lower part opened. A lock member 20 is provided, which has a stopper 22 movable between a falling-off stopping position in the lower part of the slit 4 and an open position allowing a support 10 to come off from the slit 4. The lock member 20 is provided with a locking projection 23 locked to the locking receiving portion 6 of the shelf body 1 when located at the fall-off stopping position. A lock member 30 present at the falling-off stopping position checks the detachment of the support 10 from the slit 4 by the stopper 22, and prevents the shelf body 1 from falling off. When the lock member 20 is moved to the open position as necessary, the shelf body 1 can be easily removed from the support 10. As a result, cleaning of the shelf body 1 and the mounting surface is simplified and ensured, and hygiene property is improved.

Description

  The present invention relates to a structure for detachably installing a shelf on a mounting surface such as a wall surface.

  As shown in FIG. 8, in the bathroom Y, in addition to the bathtub N, the mirror M, and the faucet appliance S, shelves T for placing small items such as soap, shampoo, rinse, and brush are generally installed on the wall surface. It is. The illustrated bathroom Y employs a layout in which the faucet device S is disposed below the shelf T. For this reason, there was a problem that it was difficult to clean the lower surface side of the shelf T.

  Therefore, in order to facilitate cleaning of the shelf T, Patent Document 1 describes a technique for attaching the shelf T to the wall surface in a detachable manner. In Patent Document 1, a truss pin screw screwed into a wall surface is used as a support member, and a locking recess formed on the back side of the shelf main body portion is fitted into the head portion of the shelf from the top to the bottom. Can be installed. And if a shelf main-body part is slid upwards along a wall surface, it is supposed that it can remove easily. (See Patent Document 1 [0024])

JP 2009-82284 A

  Since the shelf structure described in Patent Document 1 is easily detached from the wall surface when an upward force is applied to the shelf body, when the hand or foot is hit against the shelf, the shelf is dropped unintentionally. There was a risk of it.

  The present invention can install a shelf so that it can be attached to and detached from a mounting surface such as a wall surface, and even if some force is applied at the time of use, it does not drop off easily and can be easily removed when necessary. The purpose is to provide a simple shelf structure.

  The feature of the shelf structure adopted by the present invention to achieve the above object is that the engaging portion formed on the back surface portion of the shelf body is engaged with the support fixed to the mounting surface such as the wall surface. In the structure in which the shelf is detachably installed on the mounting surface, the engaging portion of the shelf body is composed of an engaging piece provided with a slit opened at the bottom, and the support body is a slit in the shelf body. It has a part that is housed inside and a part that is wider than the width dimension of the slit and abuts against the engagement piece, and the support body is located at the lower part of the opening of the slit and is detached from the slit. A lock member having a stop portion for preventing the support member from being removed, and the stop member is prevented from being detached from the slit, and the support member is separated from the slit. From the slit to allow Is that configured to be movable between an open position which.

  In the above description, the mounting surface may include various standing surfaces such as a wall surface of a room, the surface of a door or door, the surface of a bathtub apron, the surface of large furniture such as a storage cabinet, and the surface of a pillar. Further, as a mode of moving the stop portion of the lock member, a mode of rotating or a mode of sliding (translating) can be considered.

  When the locking member in the shelf structure is positioned at the retaining position below the slit, the locking protrusion formed at an appropriate position of the locking member is locked to the locking receiving portion provided on the shelf body. Thus, it is desirable that the stop portion is configured to hold the posture at the retaining position.

Furthermore, the lock member comprises an upright portion whose upper end is rotatably supported by the shelf body, and a stop portion provided on the lower end side of the upright portion so as to protrude in a direction perpendicular to the upright portion, By rotating the standing part with respect to the shelf body, the stop part can be moved between a retaining position below the slit and an open position away from the slit, and the stop part is slit. You may comprise so that the latching protrusion which latches to the latching receiving part of a shelf main body when it is located in the downward retaining position may be provided in the said stop part.
However, if necessary, it does not prevent the locking protrusions from being formed on the upright portion side of the lock member.

  Furthermore, by providing a cylindrical rotation shaft centered in the left-right direction on the upper end side of the upright portion in the lock member, and storing the rotation shaft in a bearing portion provided in the shelf body, The lock member is rotatably supported with respect to the shelf body, and a protrusion having a diameter smaller than the diameter of the rotation shaft is formed on the end surface of the rotation shaft, and the tip of the protrusion is You may make it contact | abut or adjoin to the inner surface of the said bearing part.

  In addition, it is possible to provide the three-dimensional structure which can be recognized with the tactile sense of a fingertip in the lower end surface of the standing part in the said lock member. Here, the three-dimensional structure may be a convex structure such as a protrusion or an emboss, a concave structure such as a groove or a dimple, and a concavo-convex structure such as a wave shape or a comb tooth shape.

  By the way, the form of the lock member according to the present invention is not limited to the above-described standing portion and stop portion being vertically configured to be rotatable, and a plate-like or rod-like one is moved in parallel with respect to the shelf body (sliding) ).

  According to the shelf structure of the present invention, the slit is opened in the structure in which the shelf is detachably installed on the attachment surface by engaging the engaging portion of the shelf main body with the support fixed to the attachment surface such as the wall surface. Since the lock member is provided with a stop part that is located below the block and prevents the support body from detaching from the slit, the shelf body will fall off the support body even if an unscheduled force is applied to the shelf body. Can be prevented. Therefore, it is possible to prevent an accident that the shelf is unintentionally removed.

  In addition, since the stop portion of the lock member can be moved between the retaining position below the slit and the open position away from the slit, the lock member can be moved to the open position as necessary after the shelf is installed. The shelf body can be easily removed from the support. As a result, it is possible to easily and surely clean places that are difficult to clean with the shelf main body installed, such as the shelf attachment points on the lower and rear surfaces of the shelf main body, and the mounting surface, so that hygiene is greatly improved.

  It should be noted that the shelf structure according to the present invention has a great advantage when applied to an environment where dirt is likely to adhere due to the use of water, such as a bathroom, shower room, washroom, kitchen, etc. It is also possible to apply, and the application target is not particularly limited.

  A locking protrusion is formed on the locking member, and the locking protrusion is locked to a locking receiving portion provided on the shelf body, so that the state where the stop portion is located at the retaining position is maintained. In this case, the lock member is prevented from moving unintentionally, so that the shelf body can be more reliably prevented from coming off.

  The lock member is composed of an upright portion and a stop portion, and the stop portion is moved between a retaining position below the slit and an open position away from the slit by rotating the upright portion with respect to the shelf body. When configured to be possible, the operation of moving the lock member becomes very easy. Therefore, it is easy to switch between a state in which the shelf main body retaining function is exhibited and a state in which the shelf main body is removable.

  In addition, when the locking projection provided on the stop portion is positioned at the retaining position, the locking member is prevented from moving unintentionally by being locked to the locking receiving portion of the shelf body. The stop function is demonstrated reliably.

A protruding portion having a diameter smaller than the diameter of the rotating shaft is formed on the end surface of the rotating shaft provided on the upper end side of the upright portion of the lock member, and the rotating shaft is accommodated in the bearing portion of the shelf body. In some cases, when the projecting portion is configured to contact or be close to the inner surface of the bearing portion, it is possible to suppress the rattling of the lock member in the left-right direction.
In addition, since the projecting portion has a smaller diameter than the rotation shaft, the contact area with the inner surface of the bearing portion is reduced, so that the frictional force generated when the lock member is rotated is reduced and the rotation resistance is increased. Can be suppressed.

  When a three-dimensional structure that can be recognized by the fingertip of the fingertip is provided on the lower end surface of the upright portion of the lock member, the position of the lock member can be grasped by touching with the fingertip. Can be easily and reliably performed.

BRIEF DESCRIPTION OF THE DRAWINGS It is related with 1st Embodiment of the shelf structure which concerns on this invention, Comprising: It is the perspective view seen from the front side which isolate | separates and shows a shelf main body, a support body, and a locking member. BRIEF DESCRIPTION OF THE DRAWINGS It is related with 1st Embodiment of the shelf structure based on this invention, Comprising: FIG. (A) is the perspective view which looked at the shelf main body from the back side, FIG. (B) expanded the engaging part with a support body. It is a perspective view shown. FIG. 1A relates to a first embodiment of a shelf structure according to the present invention, and FIG. 1A is a perspective view showing a main part of a shelf body in a state where the lock member is in an open position, and FIG. It is a perspective view which shows the principal part of the shelf main body of the state made into the retaining position. An example of the locking member used for the shelf structure which concerns on this invention is shown, Comprising: FIG. (A) is the perspective view seen from the upper surface side, FIG. (B) is the perspective view seen from the lower surface side. An example of the locking member used for the shelf structure which concerns on this invention is shown, Comprising: A figure (A) is a front view, A figure (B) is a left side view, A figure (C) is a left side sectional view. FIG. 1A is a side cross-sectional view showing a shelf body, a support body, and a lock member separately, and FIG. 1B is a view showing a lock member according to a first embodiment of a shelf structure according to the present invention. FIG. 4C is a side sectional view showing a state in which the shelf body is engaged with the support body in the open position, and FIG. (C) is a state where the lock member is moved to the retaining position after the shelf body is engaged with the support body. It is side surface sectional drawing which shows the state. FIG. 1A is a perspective view as seen from the front side of a main part in a state in which a shelf body and a sliding lock member are separated from each other, relating to a second embodiment of the shelf structure according to the present invention. B) is a perspective view of a main part viewed from the front side in a state in which the lock member is mounted on the shelf main body, and FIG. (C) is a side cross-sectional view of the main part of the shelf main body in a state where the lock member is positioned at the retaining position. FIG. It is a perspective view which shows an example of the bathroom which installed the shelf in the wall surface.

[First Embodiment]
An embodiment of the present invention will be described with reference to FIGS. Note that the shelf structure of the present invention is assumed to be applied to a shelf T installed on the wall surface of the bathroom Y as shown in FIG. 8, for example, but this does not hinder application to other than the bathroom.

  As shown in FIG. 1, the shelf structure according to the present invention includes a shelf body 1, a support body 10 fixed to a mounting surface such as a wall surface, and a lock for preventing the shelf body 1 from falling off the support body 10. The member 20 is configured.

  As for the shelf main body 1, the upper surface part 1c is made into the mounting surface of an article | item, and the engaging part 2 with the support body 10 as shown in FIG. 2 is provided in the back surface part 1b. A recess 1d for forming a drainage groove with the mounting surface at the time of installation is formed on the upper edge of the back surface portion 1b as desired. The shape of the front portion 1a is not particularly limited, and an appropriate form may be adopted as desired. Moreover, what is necessary is just to select the optimal magnitude | size according to the installation environment also about the dimension of the shelf main body 1. FIG. The material of the shelf body 1 is desirably relatively high in rigidity, and needs to have water resistance when applied to a water environment, and is made of, for example, plastic, stainless steel, aluminum, or the like.

  As illustrated in FIG. 2 (A), it is desirable that at least two engaging portions 2, 2 formed on the back surface portion 1b of the shelf body 1 are arranged at an appropriate interval on the left and right. As shown in an enlarged view in FIG. 2 (B), in this example, the engaging portion 2 is composed of engaging pieces 3 and 3 provided facing each other with a slit 4 interposed therebetween. The engagement pieces 3 and 3 are integrally formed with the shelf body 1 so as to extend downward from the upper edge of the back surface portion 1b. The slit 4 has an open portion 4a on the lower side, and can accommodate the small-diameter portion 11a (see FIG. 6) of the support 10 as will be described later. In this example, in order to increase the strength of the engagement pieces 3, 3, the reinforcing surface portion 3 a is integrally formed on the right and left side edge portions, and the lower side is opened by the engagement piece 3 and the reinforcing surface portion 3 a. It is configured to form a space.

  The support 10 of this example includes a cylindrical main part 11, a fixing tool such as a nail 12 or a screw for fixing the main part 11 to the mounting surface, and a cap 13 for hiding the nail 12 or the like. . As shown in FIG. 6, the main portion 11 is composed of a large-diameter head portion 11a and a small-diameter neck portion 11b that comes into contact with the mounting surface. The diameter of the head portion 11a is larger than the width dimension of the slit 4, and the neck portion 11b The diameter is set to be smaller than the width dimension of the slit 4. As the material of the support 10, plastic or metal having high load bearing strength is used. The shape of the support 10 is not limited to a cylindrical shape as long as it has a portion larger than the width dimension of the slit 4 and a portion smaller than the width dimension of the slit 4, and other suitable forms are possible. It is also possible to adopt.

  As shown in FIG. 3, the lock member 20 is attached to the lower surface side of the shelf body 1, and an open position (see FIG. 3A) where the shelf body 1 can be removed from the support 10 as necessary, and the shelf body 1 is removed. The position movement with respect to the retaining position (see FIG. 3 (B)) that prevents the rotation can be easily rotated. As shown in FIGS. 4 and 5, the lock member 20 according to the present embodiment includes an upright portion 21 and a stop portion 22 provided in the vicinity of the lower end of the upright portion 21 so as to protrude in the vertical direction with respect to the upright portion 21. It consists of. Therefore, the lock member 20 is configured such that the cross section in the side surface direction is substantially L-shaped.

On the upper end side of the upright portion 21, columnar rotation shafts 25, 25 having the left-right direction as an axis are provided. Further, projecting portions 26, 26 having a diameter smaller than the diameter of the rotation shaft 25 are formed on the end surface on the distal end side of the rotation shaft 25.
In this example, the rotation shaft 25 is not continuous in the left-right direction, but is intermittently provided with omitted portions. With this configuration, when the shelf structure of the present invention is applied to a bathroom, there is an effect that it is difficult to collect water between the lock member 20 and the bearing portion 7 (see FIG. 6) of the shelf body 1 to which the lock member 20 is mounted. . Further, since the contact area with the bearing portion 7 is reduced, there is an advantage that the sliding resistance during the rotation operation of the lock member 20 can be reduced.

  A three-dimensional structure that can be recognized by the tactile sensation of the fingertip, such as a plurality of convex portions 27, is provided on the lower end surface of the standing portion 21. This is because when the locking member 20 is rotated on the lower surface side of the shelf body 1, the position of the locking member 20 can be determined by touching the three-dimensional structure (convex portion 27) with a fingertip, even if it cannot be visually observed. This is to make it easier to grasp.

  The stop portion 22 has two protrusions 23 and 24. One is a locking projection 23 that locks to the locking receiving portion 6 (see FIG. 6) provided on the shelf body 1 when the stop portion 22 is positioned at the retaining position below the slit 4. The locking projection 23 is formed at the tip of a support piece 23a that is cut out of a portion of the stop portion 22 and is elastically swingable.

  The other protrusion 24 is formed at the tip end of the stop portion 22, and when the stop portion 22 is positioned at the retaining position below the slit 4, the tip is positioned at the opening portion 4 a below the slit 4. It is set to do. (See FIG. 6C)

  Next, the construction procedure of the shelf structure according to the present invention will be described with reference to FIG. First, the support body 10 is fixed to a place where a shelf is to be attached on a mounting surface such as a wall surface in accordance with the formation position of the engaging portions 2 and 2 of the shelf body 1. In this example, after the nail 12 inserted through the main portion 11 is driven into a predetermined position on the mounting surface, the cap 13 may be fitted.

  On the other hand, a lock member 20 is rotatably mounted on the shelf body 1 in advance. This is done by accommodating the rotation shaft 25 provided at the upper end of the upright portion 21 of the lock member 20 in the bearing portion 7 formed on the lower surface side of the shelf body 1 as shown in FIG. In this example, on the lower surface of the upper surface portion 1c of the shelf body 1, a locking wall 6a is suspended at a position slightly spaced from the engagement piece 3 of the back surface portion 1b. A corner region surrounded by the upper surface portion 1 c is a bearing portion 7. The bearing portion 7 has holding convex portions 7 a and 7 b formed near the lower surface of the shelf main body upper surface portion 1 c and the upper end of the locking wall 6 a, and the interval between the holding convex portions 7 a and 7 b is that of the lock member 20. The size is set such that the rotation shaft 25 can be inserted. Therefore, as shown in FIG. 6A, the lock member 20 can attach and detach the rotating shaft 25 to and from the bearing portion 7 when the tilted posture is set, and the upright portion 21 can be moved vertically (engaged). The rotary shaft 25 is configured not to be easily detached from the bearing portion 7 when the posture is the retaining position raised in the direction substantially parallel to the stop wall 6a.

  In this example, when the lock member 20 is mounted on the bearing portion 7 of the shelf body 1, the small-diameter protruding portion 26 formed at the tip of the rotating shaft 25 is in contact with or close to the inner surface of the bearing portion 7. Is set to As a result, it is possible to prevent the lock member 20 from shaking from side to side and to avoid an increase in sliding resistance during rotation.

  Subsequently, as shown in FIG. 6B, the lock member 20 is held in a slightly inclined posture (open position) so that the stop portion 22 does not contact the support 10 (see FIG. 3A), and the shelf The main body 1 is mounted on the support body 10 fixed to the mounting surface from above, and the neck portion 11b of the support body 10 is accommodated in the slit 4 of the engagement portion 2. As a result, the engagement piece 3 of the engagement portion 2 is sandwiched between the head portion 11a of the support 10 and the mounting surface.

  Subsequently, as shown in FIG. 6 (C), the lock member 20 is pushed toward the mounting surface side and is rotated until the stop portion 22 reaches a position for closing the opening portion 4a below the slit 4 (prevention position). (See FIG. 3B). At this time, the locking protrusion 23 of the stopping portion 22 is elastically slightly swung to be locked to the locking receiving portion 6 provided at the lower end of the locking wall 6a. Function to hold.

  Further, the protrusion 24 at the tip of the stop portion 22 enters a space between the mounting surface and the head portion 11a of the support body 10 and is positioned in the vicinity of the neck portion 11b. As a result, even if a strong upward force is applied to the shelf body 1, the tips of the protrusions 24 abut against the head portion 11 a and the neck portion 11 b of the support 10, and the lock member 20 is rotated to the open position. Stop. For this reason, the lock member 20 is surely maintained in the retaining state.

  If necessary, when removing the shelf body 1, the lock member 20 in the retaining position is rotated away from the mounting surface and moved to the open position shown in FIG. Pull 1 upward. Thereby, it can isolate | separate from the support body 10 easily.

  In rotating the lock member 20 to the open position, a finger is hooked on the lower end of the upright portion 21 and pulled toward the front portion 1a side of the shelf body 1. At this time, since a three-dimensional structure such as the protruding portion 27 is formed at the lower end of the standing portion 21, the position of the lock member 20 can be grasped by groping. Therefore, the above-described operation can be performed smoothly even at a position where the shelf main body 1 is not visible.

  By the way, the number of sets of the support body 10 and the engaging part 2 for installing the shelf body 1 on the mounting surface may be at least two. In order to increase the load bearing strength of the shelf, when three or more combinations of the support 10 and the engagement portion are provided, the lock member 20 is provided for the engagement portions 2 and 2 at the two left and right positions, and the remaining engagement portions May omit the locking member. For example, as shown in FIG. 1, when four support bodies 10 are used, the structure shown in FIG. 2 (B) is adopted for the engaging portions 2 and 2 corresponding to the support bodies 10 and 10 on the left and right end sides. For the engaging portions 5 and 5 corresponding to the support members 10 and 10 on the center side, it is conceivable to adopt the structure shown in FIG. That is, each of the two engaging pieces 5a and 5a arranged to face each other at an appropriate interval is configured to engage with only the left or right half of the support 10, and the engaging piece 5a. Between 5a became the linear flange part 5b. As a result, the gap between the engagement pieces 5a and 5a can be widely opened, so that the area of the engagement portions 5 and 5 can be cleaned very easily.

  Further, in this example, the locking projection 23 for holding the lock member 20 in the retaining position is provided on the stop portion 22, but it is also possible to provide this on the standing portion 21. In this case, for example, a locking protrusion may be provided on the left and right side edge portions of the upright portion 21 and a lock receiving portion having an appropriate shape that can lock the protrusion is provided on the shelf body.

[Second Embodiment]
FIG. 7 shows a different embodiment of the shelf structure according to the present invention. In this embodiment, the locking member 30 is slid (translated) with respect to the shelf body 1 to switch between the retaining position and the opening position. The lock member 30 of this example has a plate-like form as shown in FIG. 7 (A), and an operation portion 31 having a large thickness is provided at one end thereof. On the other hand, in order to guide the sliding operation of the lock member 30, the shelf body 1 is provided with a U-shaped guide 9 provided with grooves 8 that hold the left and right side edges of the lock member 30 so as to face the left and right. . Further, a locking wall 6 a is suspended from the lower surface of the shelf main body upper surface portion 1 c, and the lower end thereof is formed as the locking receiving portion 6.

  In order to prevent the shelf main body 1 from coming off, after engaging the engaging portion 2 of the back surface portion 1b of the shelf main body 1 with the support body 10 fixed to the mounting surface, the lock member 30 is attached to the guides 9 and 9. After being inserted between the grooves 8, 8, the operation unit 31 is pushed toward the mounting surface to a position where it comes into contact with the guide 9 (prevention position). As a result, the lock member 30 moves forward, and its tip is positioned below the main portion 11 of the support 10. When an upward force is applied to the shelf body 1, the lock member 30 collides with the support body 10 to prevent the shelf body 1 from falling off. When removing the shelf body 1, the lock member 30 may be pulled out of the grooves 8 and 8.

  In this example, when the protrusion 32 is provided at an appropriate position on the upper surface of the lock member 30 and is advanced to the retaining position, the protrusion 32 penetrates the lower end of the retaining wall 6 a and is retained by the retaining member 6. Set to do. Accordingly, the lock member 30 located at the retaining position is prevented from retreating, and the shelf body 1 is prevented from being unintentionally detached from the support body 10.

DESCRIPTION OF SYMBOLS 1 ... Shelf main body 1a ... Front part 1b ... Back part 1c ... Upper surface part 2 ... Engagement part 3 ... Engagement piece 4 ... Slit 4a ... Slit opening part 5 ... Engagement part 5a ... Engagement piece 5b ... Flange part 6 ... Lock receiving part 6a ... Locking wall 7 ... Bearing part 8 ... Groove 9 ... Guide 10 ... Support 11 ... Main part 11a ... Head (large diameter part) 11b ... Neck part (small diameter part) 12 ... Nail (fixing tool) DESCRIPTION OF SYMBOLS 13 ... Cap 20 ... Lock member 21 ... Standing part 22 ... Stop part 23 ... Stopping protrusion 24 ... Protrusion 25 ... Rotating shaft 26 ... Protrusion part 27 ... Convex part (three-dimensional structure) 30 ... Lock member 31 ... Operation part 32 ... Locking part

Claims (5)

In the structure in which the shelf is detachably installed on the mounting surface by engaging the engaging portion formed on the back surface of the shelf body with the support fixed to the mounting surface such as the wall surface,
The engaging part of the shelf body shall consist of engaging pieces provided with a slit opened at the lower part in between,
The support body has a portion housed in the slit of the shelf body and a portion that is wider than the width dimension of the slit and abuts against the engagement piece,
The shelf body is provided with a lock member provided with a stop portion that is located below the opening of the slit and prevents the support from separating from the slit,
The locking member moves the stop portion between a retaining position below the slit that prevents the support from being detached from the slit and an open position away from the slit that allows the support to be detached from the slit. A shelf structure characterized by being configured to be possible.   When the locking member is positioned at the retaining position below the slit, the locking protrusion formed at an appropriate position of the locking member is locked to the locking receiving portion provided on the shelf body and stopped. The shelf structure according to claim 1, wherein the shelf is configured to hold a posture in which the portion is located at a retaining position. The lock member is composed of an upright portion whose upper end is rotatably supported by the shelf body, and a stop portion provided on the lower end side of the upright portion so as to protrude in the vertical direction with respect to the upright portion,
By rotating the standing part relative to the shelf body, the stop part is configured to be movable between a retaining position below the slit and an open position away from the slit,
The shelf structure according to claim 2, wherein the stop portion is provided with a locking projection that is locked to the lock receiving portion of the shelf body when the stop portion is positioned at a retaining position below the slit. A columnar rotation shaft having a lateral axis as a center is provided on an upper end side of the standing portion of the lock member,
The lock member is rotatably supported with respect to the shelf body by allowing the rotation shaft to be rotatably accommodated in a bearing portion provided on the shelf body,
4. The protrusion according to claim 3, wherein a protruding portion having a diameter smaller than the diameter of the rotating shaft is formed on an end surface of the rotating shaft at a tip end side, and the tip of the protruding portion is in contact with or close to the inner surface of the bearing portion. Shelf structure.   The shelf structure according to claim 3 or 4, wherein a three-dimensional structure that can be recognized by a tactile sensation of a fingertip is provided on a lower end surface of an upright portion of the lock member.

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