JP3150013U - Placed item fall prevention mechanism and assembly rack with placed item fall prevention mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily prevent a mounted object such as a figurine or a luggage placed on a shelf board from dropping due to an earthquake or vibration, and to prevent an obstacle when putting in and out the above-mentioned figurine. It is an object to provide a mechanism for preventing the dropped article from being operated. A pair of auxiliary columns (33a, 33b) disposed in the vicinity of columns (23a, 23b) on the front side of an assembly rack (22) comprising a plurality of columns and a shelf (26), and a position higher than the shelf (26). A drop-off prevention member 36 spanned between the pair of auxiliary columns 33a, 33b, a slide drive unit 37 for elastically sliding the auxiliary columns 33a, 33b in the vertical direction, and a step unit for operating the slide drive unit 37 38, and by stepping on the step portion 38, the auxiliary struts 33a and 33b are slid to move the drop-off prevention member 36 downward from a position higher than the shelf plate portion 26. [Selection] Figure 1

Description

  The present invention relates to a mounting object drop prevention mechanism that can be attached to an open-type shelf or rack, and an assembly rack with a mounting object drop prevention mechanism.

  2. Description of the Related Art Conventionally, there are assembly racks that are completed by assembling parts such as columns and shelves with joint members. Many of such assembly racks are of the open type in which the periphery of the shelf board is opened, but a fence for preventing falling off is provided on a part of the shelf board or the outer peripheral part according to the application. Shelf board parts are available. In some cases, the fence is formed integrally with the shelf board, and the fence is detachably attached as an optional item. However, one side of such an assembly rack is often open so that objects such as figurines and luggage can be easily put in and taken out. There is a high risk of dropping off or falling to the floor.

  Patent Document 1 discloses a mounted object fall prevention mechanism that is directly attached to an assembly rack and prevents the mounted object from dropping or dropping, and at the same time, allows the loaded object to be easily taken in and out. As shown in FIG. 7, the assembly rack 2 includes four pipe-like columns 3, a support sleeve (not shown) that can be fitted at a predetermined height position of the column 3, and a fitting to the support sleeve. It is comprised from the one or more shelf board part 6 which has the cylindrical socket 5 which can be combined at least at four corners. The mounted object fall prevention mechanism 1 attached here has the support sleeve attached to each of a pair of support columns 3 on one side, and a hinged socket 8 that can be fitted to the support sleeve and in which the hinge member 7 is integrated. And a fall-preventing fence 11 comprising a linear arm body portion 9 spanned between the respective hinge members 7 and an arm support portion 10 bent in a U shape from both ends of the arm body portion 9. It is configured. The hinge member 7 is formed with a long groove-shaped bearing portion 12 that receives the arm support portion 10 and an engagement groove 13 that engages with the arm body portion 9 raised.

  The fall prevention fence 11 is configured so that both ends of the arm main body 9 are engaged with the engagement grooves 13, so that the arm main body 9 can be moved even when the object placed on the shelf 6 is displaced. It is possible to prevent it from falling off. Further, the arm main body 9 is manually removed from the engagement groove 13 and tilted downward, so that the placed article can be taken in and out as it is from above the shelf board.

JP 2003-180468 A

  By the way, assembly racks are easy to freely change and expand the shelf configuration and are inexpensive, and are often installed in factories and warehouses for business purposes. When used for such business use, there are products and parts or cardboards in which these goods and parts are accommodated as the objects to be placed, which may be relatively large and heavy.

  However, as shown in Patent Document 1, if the mechanism is such that the arm main body portion 9 is raised and lowered by hand, the operation cannot be performed if both hands are closed when a large object as described above is taken in and out. . For this reason, the operation | movement which operates the arm main-body part 9 installed corresponding to the predetermined | prescribed shelf board part 6 and the operation | movement which takes in / out a mounted material must be performed separately. For example, when storing the placement object, the arm body part 9 installed at a place corresponding to the predetermined shelf 6 is removed after the placement object is placed near the assembly rack 2, and the placement object is taken in and out. Since the arm main body 9 must be raised and set again later, there is a problem that the operation becomes complicated in a place where there is a lot of work for loading and unloading frequently. Moreover, since the said fall prevention mechanism 1 is provided independently with respect to each shelf board part 6, the arm main-body part 9 is manually moved for every fall prevention fence 11 corresponding to the shelf board part 6 which takes in / out a mounted article. There was a problem that it had to be raised and lowered, leading to deterioration in work efficiency.

  Therefore, the purpose of the present invention is to easily prevent the objects placed on the shelf board and the objects such as luggage from falling off due to shaking caused by earthquakes, vibrations, etc. It is an object of the present invention to provide a placement object drop prevention mechanism and an assembly rack with a placement object fall prevention mechanism that can be operated without causing an obstacle.

  In order to solve the above-described problem, the mounted object drop prevention mechanism of the present invention is provided on at least one surface side of an assembly rack including a plurality of support columns and at least one shelf plate portion disposed at a predetermined height position of each support column. A placed object drop prevention mechanism arranged, an auxiliary column disposed in the vicinity of a column on at least one side of the assembly rack, a slide driving unit for sliding the auxiliary column in the vertical direction, and the slide driving unit A step part to be operated, and the drop prevention member attached to the auxiliary column is moved up and down together with the auxiliary column by the operation of the step unit.

  An assembly rack with a mounted article drop-off prevention mechanism according to the present invention includes an assembly rack having a plurality of columns, at least one shelf plate portion disposed at a predetermined height position of each column, and at least one surface of the assembly rack. Auxiliary struts arranged in the vicinity of the side struts, a slide drive section that slides the auxiliary struts in the vertical direction, and a step section that operates the slide drive section, which are attached to the auxiliary struts by operating the step section And a mounted object drop prevention mechanism that moves the drop prevention member up and down together with the auxiliary column.

  According to the mounted object drop prevention mechanism of the present invention, a drop prevention member is provided on the auxiliary column attached in the vicinity of the column of the assembly rack, and the drop prevention member is moved to a predetermined height position of the assembly rack by the slide drive unit. It can be moved up and down together with the auxiliary column with respect to the provided shelf board. Accordingly, the slide drive unit normally prevents the object placed on the shelf unit, such as an object or a load, from falling off by the fall-off preventing member that is held at a high position from the shelf unit. Since the drop-off prevention member can be lowered by operating the step portion, there is no obstacle when the figurine is put in and out.

  In addition, since the slide drive unit is configured to move up and down elastically, in a normal state, the drop-off prevention member is held at a height position that prevents the dropped object from dropping, and by stepping on the step unit Since the drop-off preventing member can be lowered to a height position where the placed object can be taken in and out, the operation is facilitated even when both hands are closed.

  In addition, the mounted object drop prevention mechanism can be assembled with the auxiliary strut, drop prevention member, slide drive part, and step part, and can be easily attached to existing assembly racks and shelves via attachment members. Can be used.

It is a perspective view of the mounting object drop prevention mechanism concerning the present invention. It is a disassembled perspective view of the above-mentioned figurine drop prevention mechanism. It is a perspective view of the assembly rack which attached the above-mentioned figurine drop prevention mechanism. It is a disassembled perspective view which shows the structure of a slide drive part. It is sectional drawing of the said slide drive part. It is a perspective view which shows the use condition at the time of putting in / out of the placement object in the above-mentioned object drop-off prevention mechanism. It is a perspective view which shows an example of the mounting material dropping mechanism attached to the conventional assembly rack.

  DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a mounted object drop prevention mechanism according to the present invention will be described in detail with reference to the accompanying drawings. The mounted object drop prevention mechanism of the present invention can be used by being attached to an existing open-type shelf or rack, and is composed of parts that can be assembled. FIG. 1 shows a separately completed assembly rack 22 and a mounted object drop prevention mechanism 31 according to the present invention attached to the front side of the assembly rack 22.

  As shown in FIG. 1, the assembly rack 22 includes four pipe-like columns 23a, 23b, 23c, and 23d, and support sleeves (not shown) that can be fitted at predetermined height positions of the columns. And one or more shelves 26 having cylindrical sockets 25 that can be fitted to the support sleeves at the four corners of the flat plate-like mounting surface 24. The placement surface 24 is formed of a single plate-like member or a mesh member formed in a planar shape by knitting a plurality of wires. This shelf board portion 26 is an assembly rack provided with a plurality of shelf board portions 26 having a predetermined height and the number of steps by fitting the socket 25 via the support sleep from a low position of each column. 22 is formed. In this embodiment, four sides of the mounting surface 24 of the shelf 26 are open. However, when the assembly rack 22 is used alone, it is preliminarily set in three directions excluding the front side where the mounted object is taken in and out. There are cases in which a drop-off prevention fence or partition member is provided.

  As shown in FIGS. 2 and 3, the mounted object drop prevention mechanism 31 according to the present invention is a pair positioned mainly on the front side where the mounted objects are often taken in and out of each shelf plate portion 26 of the assembly rack 22. A pair of auxiliary struts 33a and 33b that are attached in close proximity to the front of the support struts 23a and 23b, a drop-off prevention member 36 that is placed over a predetermined height position of the auxiliary struts 33a and 33b, and this drop-off A slide drive unit 37 that moves the pair of auxiliary struts 33a and 33b in the vertical direction integrally with the prevention member 36, and a step unit 38 that operates the slide drive unit 37 by stepping are configured.

  The auxiliary columns 33a and 33b are pipe members having substantially the same length and diameter as the columns 23a, 23b, 23c, and 23d of the assembly rack 22, and the upper and lower ends of the pair of columns 23a and 23b on the front side. The upper mounting portion 39 and the lower mounting portion 40 that are attached to each other are arranged so as to be vertically movable in parallel. The upper mounting portion 39 includes a mounting main body 39a that is fitted via a support sleep (not shown) that is engaged with the upper ends of the columns 23a and 23b, and a ring holding member that extends forward from the mounting main body 39a. It consists of a portion 39b, and the upper ends of the auxiliary struts 33a and 33b are inserted into and held by the ring holding portion 39b. On the other hand, the lower mounting portion 40 is a ring having a front mounting main body portion 40a fitted to the lower ends of the pair of support columns 23a and 23b, and a front extending main body portion 40a extending forward and having a circular insertion hole 40e. Spring receiving portion 40b, a side plate portion 40c extending from the front mounting body portion 40a toward the rear column 23c, 23d, and a rear mounting body for fixing one end of the side plate portion 40c to the rear column 23c, 23d. 40d. The front mounting main body 40a and the rear mounting main body 40d are fitted and fixed via support sleeves (not shown) that are engaged with the front lower support columns 23a and 23b and the rear lower support columns 23c and 23d, respectively. . The side plate portion 40c reinforces the front mounting main body portion 40a so as not to rotate left and right when the pair of auxiliary struts 33a and 33b are moved up and down by the slide drive portion 37, and the side plate portion 40c. By fixing the other end to the rear columns 23c and 23d, the entire assembly rack 22 is stabilized so as not to be lifted or displaced even when the step portion 38 connected to the slide drive portion 37 is operated. is there.

  The drop-off prevention member 36 includes a pair of left and right cylindrical sockets 35 that are inserted through support sleeves 35a that are engaged with the engagement grooves 32 at predetermined height positions of the auxiliary columns 33a and 33b. It is integrally formed by a drop-off prevention fence 34 that is bridged between the pair of sockets 35. The socket 35 is fixed at a predetermined height position via a support sleeve (not shown) attached to the distal ends of the auxiliary columns 33a and 33b. The drop-off prevention fence 34 is formed by a rod-like or plate-like member stretched between the pair of sockets 35, or a wire member. However, if the height width of the drop-off prevention fence 34 is set too wide, the front space of the lower shelf 26 is reduced when lowered, so that it is set to be equal to or less than the thickness of the shelf 26. Is preferred. The drop-off prevention member 36 having such a configuration has the auxiliary strut 33a so that the drop-off prevention fence 34 protrudes upward from the height of each shelf 26 provided in the assembly rack 22. , 33b and assembled while adding upward from below. If a plurality of the drop-off prevention members 36 are assembled in accordance with the height of the respective shelf plates 26 arranged in the assembly rack 22, each shelf plate 26 is moved by a slide drive unit 37 described later. Can be protruded and held at a constant height position, and the descending width can be set to be constant.

  As shown in FIGS. 4 and 5, the slide drive unit 37 includes a shaft core member 41 incorporated in the lower ends of the auxiliary columns 33 a and 33 b, a resin tube 42 attached to the shaft core member 41, and An elastic member (spring member) 43 is provided on the resin tube 42. Hereinafter, the left slide drive unit 37 in the figure will be described, but the right slide drive unit has the same configuration. The shaft member 41 has male screw portions 41a and 41b at both ends. A connecting member 44 having a female screw portion 44a formed therein is fitted and fixed to the lower ends of the auxiliary struts 33a and 33b to which the shaft core member 41 is mounted, and the shaft core member 41 is fixed to the female screw portion 44a. One male thread portion 41a is fixed by screwing. The shaft core member 41 is attached through the spring holding washer 45 and the shaft holding washer 46. The resin tube 42 is disposed so as not to cause friction with the spring member 43. For example, a nylon tube having a smooth surface is preferable. The spring member 43 is formed to have substantially the same length as the resin tube 42 in a normal state where no stress is applied, and is mounted so as to be wound around the resin tube 42. Thus, by inserting the resin tube 42 between the shaft core member 41 and the spring member 43, it is possible to absorb impacts and vibrations accompanying expansion and contraction of the spring member 43 and to prevent noise. In the slide drive unit 37 assembled in this way, the lower end of the spring member 43 is placed on the upper surface of the stopper (spring receiving portion) 40b, and the lower end of the shaft center member 41 to which the resin tube 42 is attached is It is fixed to one end of the step part 38 through the insertion hole 40e provided in the spring receiving part 40b. This fixing is performed through the washer 47 and the nut 48 on the other male screw portion 41 b of the shaft core member 41.

  As shown in FIG. 2, the step portion 38 includes a beam portion 49 that spans between a pair of left and right lower mounting portions 40 that fix the lower ends of the pair of auxiliary struts 33 a and 33 b, and the beam portion 49. It is comprised with the step part 51 provided horizontally via the attachment board 50 extended perpendicularly | vertically to the position one step lower. The beam portion 49 is provided so as to protrude slightly forward from the lower attachment portion 40 to which the slide drive portion 37 is attached. This is to prevent the casters from becoming an obstacle when casters (not shown) are attached to the columns 23a and 23b of the assembly rack 22. According to this embodiment, since the stepping portion 51 extends long between the pair of auxiliary struts 33a and 33b, a stepping position for operating the slide driving portion 37 can be set widely.

  As shown in FIG. 3, in the state in which the placing object P that is a cardboard-like luggage is placed on the shelf plate part 26, a pair is formed by the bias of the spring member 43 provided in the slide driving part 37. Since the auxiliary struts 33a and 33b are supported, the drop-off prevention member 36 at each stage is stationary at a high position from the surface of the shelf plate portion 26. The arrangement position of the drop-off prevention member 36 can be adjusted when the auxiliary struts 33a and 33b are assembled according to the height of the shelf 26, but the length of the spring member 43 provided in the slide drive unit 37 is reduced. By changing to one having a different elastic force, it is possible to adjust the amount of protrusion of the drop-off prevention member 36 according to the height of the placement object P.

  FIG. 6 shows a state when the above-mentioned figurine P is put in and out of the shelf board portion 26. In this manner, when the placed article P is taken in and out, the pair of auxiliary struts 33a, 33a, resists the urging of the spring member 43 provided in the slide drive unit 37 by stepping down the stepping part 51 provided in the step unit 38. 33b slides downward. By this slide, the drop-off prevention member 36 at each stage also slides downward integrally, so that the front surface of the shelf board portion 26 at each stage is opened and the above-mentioned figurine P is taken in and out from the shelf board portion 26 in the horizontal direction. It becomes easy. This state can be maintained while the stepping portion 51 is stepped on. Further, since the stepping portion 51 extends long at an interval at which the pair of auxiliary struts 33a and 33b are arranged, the slide driving portion 37 can be operated regardless of the position of the stepping portion 51. As a result, the slide drive unit 37 can be operated at a position close to the position where the placement object P is taken in and out.

  Then, after the loading / unloading operation of the placement object P is completed, the stepping operation of the stepping portion 51 is released, so that the pair of auxiliary columns 33a and 33b are biased by the spring member 43 as shown in FIG. By sliding upward, the front surface of the shelf 26 at each stage can be closed by the drop-off prevention member 36.

  In addition, the above-described figurine drop prevention mechanism 31 is composed of auxiliary parts 33a and 33b, a drop prevention member 36, a slide drive part 37, a step part 38, and other parts that can be assembled, and can be assembled. It is also possible to configure an assembly rack with a mounted object drop prevention mechanism that is a set together with the parts constituting the assembly rack 22.

  The slide drive unit 37 has a simple configuration using a simple elastic action of the spring member 43, but the extension / contraction for temporarily fixing the extension / contraction to the spring member 43 or adjusting the extension / contraction. It is also possible to add an adjustment mechanism. Examples of the expansion / contraction adjustment mechanism include a two-stage displacement spring that changes between an expanded state and an opened state by applying a two-stage stress. Such an expansion / contraction adjustment mechanism may have a lower limit stop function that prevents the drop-off prevention member 36 from descending from the shelf portion 26 excessively. Further, the elastic member is not limited to the spring member 43 such as a coil spring, and for example, a cylinder mechanism using elastic rubber having a predetermined elastic force or compressed air can be adopted. Furthermore, as shown by the phantom lines in FIG. 5, by attaching the protective cover 52 that covers the spring member 43 and other driving mechanisms, it is possible to provide design without impairing the appearance.

  As described above, the mounted object drop prevention mechanism according to the present invention has a simple configuration including a pair of auxiliary struts, a drop prevention member and a spring member that can be incorporated in a predetermined position of each of the auxiliary struts. Can be assembled and used easily on an existing rack. In addition, since the sliding operation of the drop-off prevention member can be performed by stepping on the foot, the operation can be performed even when both hands are closed when a large load is taken in and out. Furthermore, since the drop-off preventing member can simultaneously open and close the shelf plates at each stage, the drop-off prevention members can be taken in and out of the appropriate shelf plates according to the size and weight of the load to be placed. As a result, when stock items such as products are stocked, it is possible to prevent the placement items from falling off the shelves, and to improve the work efficiency when taking in and out the above-mentioned figurines.

22 Assembly racks 23a, 23b, 23c, 23d Posts 25 Sockets 26 Shelf plates 31 Mounted object fall prevention mechanisms 32 Engaging grooves 33a, 33b Auxiliary posts 34 Fallout prevention fences 35 Sockets 35a Support sleeves 36 Fallout prevention members 37 Slide drive parts 38 Step portion 39 Upper mounting portion 39a Mounting main body portion 39b Ring holding portion 40 Lower mounting portion 40a Front mounting main body portion 40b Spring receiving portion (stopper)
40c Side plate portion 40d Rear mounting main body portion 40e Insertion hole 41 Axle core member 41a, 41b Male screw portion 42 Resin tube 43 Spring member 44 Connecting member 44a Female screw portion 45 Spring holding washer 46 Axis core holding washer 47 Washer 48 Nut 49 Beam Part 50 Mounting plate 51 Foot part 52 Protective cover

Claims (9)

A mounting object drop prevention mechanism arranged on at least one surface side of an assembly rack comprising a plurality of pillars and at least one shelf plate part arranged at a predetermined height position of each pillar,
Auxiliary struts arranged in the vicinity of the struts on at least one side of the assembly rack;
A slide drive unit that slides this auxiliary column vertically;
A step unit for operating the slide drive unit,
A placement dropout prevention mechanism characterized in that a dropout prevention member attached to the auxiliary column is moved up and down together with the auxiliary column by operation of the step portion. A mounting object drop prevention mechanism arranged on at least one surface side of an assembly rack comprising a plurality of pillars and at least one shelf plate part arranged at a predetermined height position of each pillar,
A pair of auxiliary columns disposed in the vicinity of a pair of left and right columns on at least one side of the assembly rack;
A fall prevention member that is bridged between a pair of auxiliary columns at a position higher than the shelf part,
A slide drive unit provided in a part of the auxiliary column, and elastically sliding the auxiliary column in the vertical direction;
A step unit for operating the slide drive unit,
An operation of the step portion causes the auxiliary support column to slide to move the drop-off prevention member downward from a position higher than the shelf plate portion. A mounting object drop prevention mechanism arranged at least on the front side of an assembly rack having a plurality of pillars and at least one shelf plate part arranged at a predetermined height position of each pillar,
A pair of auxiliary struts disposed in the vicinity of a pair of left and right struts on at least the front side of the assembly rack;
A rod-like or plate-like dropout prevention member spanned between the pair of auxiliary struts at a position higher than the shelf plate part;
A slide drive unit provided on a part of the auxiliary column and having an elastic member that elastically slides the auxiliary column in the vertical direction;
A step section that spans the lower ends of the pair of auxiliary struts and that operates the slide drive section by stepping;
By the operation of the step portion, the auxiliary column is slid to move the drop-off prevention member downward from a position higher than the shelf plate portion to a height position substantially the same as the shelf plate portion. . The said drop-off prevention member is a mounted article drop-off prevention mechanism according to any one of claims 1 to 3, wherein the drop-off prevention member is attached to the auxiliary support column in accordance with the number of steps of the shelf plates and the interval between the shelf plates. The slide drive unit is disposed between a lower end of the auxiliary column and the step unit,
A shaft core member having an upper end and a lower end fixed to the lower end of the auxiliary column and a part of the step portion, and an elastic member that is externally mounted on the shaft core member and that is restrained by a stopper on the assembly rack side. Item 4. The mounted object drop prevention mechanism according to any one of Items 1 to 3. 6. The mounted article drop prevention mechanism according to claim 5, wherein a resin tube is disposed between the shaft core member and the spring member, and the resin tube follows the vertical movement of the shaft core member. The said stopper is connected to the support | pillar of the said assembly rack, and it has the insertion hole which an axial core member penetrates, The receiving object fall prevention mechanism of Claim 5 which receives the lower end part of the said spring member around this penetration hole. The mounted object drop prevention mechanism according to claim 5, wherein the elastic member is formed of any one of a coil spring, elastic rubber, and an air cylinder using compressed air. An assembly rack having a plurality of struts and at least one shelf plate portion disposed at a predetermined height position of each strut;
An auxiliary column disposed near the column on at least one side of the assembly rack, a slide driving unit that slides the auxiliary column in the vertical direction, and a step unit that operates the slide driving unit. An assembly rack with a mounted item dropout prevention mechanism, comprising: a mounted item dropout prevention mechanism for vertically moving a dropout prevention member attached to the auxiliary column together with the auxiliary column.

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