JP2003180468A - Fall-proof mechanism for articles laid on sectional shelf - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fall-proof mechanism for articles laid on a sectional shelf, which can save labor of assembling and disassembling of replacing work for laid articles for convenience. <P>SOLUTION: This fall-proof mechanism is composed of a support sleeve, a pair of socket members 10 to be fit with the support sleeve, a pair of hinge members 11 to be fit with the socket members 10, and arm members 12 to be engaged designatedly movable with hinge members 11. The arm members 12 are equipped with fall-proof parts 12b and shaft parts 12a in prescribed length formed on both end sides of the fall-proof parts so as to be mutually faced via the vertical parts in prescribed length. Long circle shape bearing parts 11a and engaging grooves 11b to engage with the end parts of the fall- proof parts 12b of the arm members 12 are formed on the hinge members 11. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention easily assembles a shelf having a desired number of stages by fitting a tubular socket portion of a shelf plate into a supporting sleeve attached to an appropriate position of a pipe-shaped support. The present invention relates to a mechanism for preventing a dropped object on an assembly shelf.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a supporting sleeve (not shown in FIG. 7) having a substantially conical outer shape is provided at appropriate positions of pipe-shaped support columns 1 provided at four corners. There is an assembly shelf K in which the tubular socket portions 2, 2, ... Of the shelf board T are fitted and an arbitrary number of shelf boards T are attached. As the shelf board T, for example, a so-called wire shelf in which wire rods such as steel wires are assembled in a square mesh shape and contacts are welded is used. The supporting sleeve is separable, has a substantially conical shape with an upper narrow taper shape, and has an inner surface having a convex portion engageable with an engaging groove on the outer periphery of the column 1.
By engaging them, they are locked to the column 1, and the socket 2 is supported and fixed by the taper of the supporting sleeve. In this type of assembly shelf K, members such as a pipe-shaped support column 1, a supporting sleeve, and a shelf board T are provided as an assembly set and the like, and a user manually assembles them.

By the way, various articles A are placed on each of the shelves T on these assembling shelves K, as shown in FIG. Due to caution or the like, the article A may drop to the left and right ends or the rear end of the shelf T. In order to prevent such a fall accident of the article, a fall prevention tool P2 as shown in FIGS. 8 and 9, for example, has been used.

As shown in FIG. 8 (a), the fall prevention member P2 includes a fall prevention member 100 formed by bending and welding a wire material such as a steel wire, and an inverted V-shape formed on the lower end side. A predetermined number (three in FIG. 8A and two types in FIG. 9) of insert members 101 each having an insert portion 101a capable of holding a wire rod are welded together. Then, as shown in FIG.
The wire rods at the left and right ends and the rear end of the shelf plate T attached to are fixed by being sandwiched by the inserting portions 101a at the lower end of the inserting member 101. By attaching this fall prevention tool P2, it was possible to prevent an object placed on the shelf board T from falling from the left and right end sides or the rear end side.

[0005]

By the way, when the above-mentioned assembly shelf K is used for home use, for example, once the fall prevention tool P2 is attached, the shelf is continuously used in that state. Is common. However,
For example, when the assembly shelf K is used for displaying products in a store, placing an exhibit at an exhibition, and the like, the fall prevention tool P2 interferes with the carry-in and carry-out of the product when exchanging the product or the exhibit. However, it is necessary to remove the fall prevention tool P2 each time and reattach it after the replacement work, which is troublesome and inconvenient.

The present invention has been devised in order to solve the above-mentioned problems, and eliminates the trouble of removal and attachment during the work of exchanging the objects to be placed, and mounting of the assembly shelf which can improve convenience. It is an object of the present invention to provide a mechanism for preventing a fall of an object.

[0007]

In order to achieve the above-mentioned object, a mechanism for preventing a dropped object (P) of an assembly shelf according to the present invention.
1) has a plurality of engaging grooves (1
a) A column-shaped support column (1) formed with a), and a supporting sleeve (S) having a substantially conical outer shape with an inner surface formed with a convex portion that can be engaged with an engagement groove of the support column. And a one or more shelves (T) having at least four corners a cylindrical socket portion (2) that can be fitted into the supporting sleeve, and is mounted on the shelves. Placement (A)
And a pair of support sleeves that can be fitted into the support sleeves, each of which is engaged with the engaging groove of an appropriate height of the column that is opposed to the support sleeve. The socket member (10), a pair of hinge members (11) engageable with the engaging portion (engaging groove 10a) formed on the outer side of each socket member, and a predetermined movement to each hinge member. An arm member (12) operably engaged with the arm member (12), the arm member having a length corresponding to the width between the columns to which the socket members are attached, and a fall prevention part (12b); A shaft part (12a) of a predetermined length is formed on both ends of the prevention part so as to face each other via a vertical part (12c) of a predetermined length, and On the lower side, rotate the shaft of the arm member and move it up and down. Elliptical bearing portion for rotatably supported (1
1a) is formed, and on the upper end side of each hinge member, an engaging groove (11b) that engages with an end portion of the fall prevention portion of the arm member that is rotated and moved up and down to move upward.
Was formed.

As a result, when the object is placed on the shelf, the arm member is rotated and moved up and down so that both ends of the drop prevention portion are engaged with the engagement groove on the upper end side of the hinge member. It is possible to prevent the placed object from falling. On the other hand, when performing work such as replacing the objects placed on the shelf board, lift the fall prevention part to release the engagement between the both ends and the engagement groove on the upper end side of the hinge member, and rotate the arm member. It is possible to easily carry in and carry out a mounted object by suspending and holding the drop prevention portion by the bearing portion of the hinge member in a state of being hung downward. At this time, it is possible to omit the complicated work of replacing the placed object every time when the work of replacing the placed object is carried out like the conventional fall prevention tool, and then to reattach it, and it is possible to improve the convenience. The fall prevention mechanism can be provided on each of the left and right ends and the rear end or the front end of the shelf board.

Further, it is preferable that each of the socket members is attached to a position near an upper portion of a shelf plate previously attached to the column via the supporting sleeve. As a result, the fall prevention portion of the arm member engaged with the engagement portion on the upper end side of the hinge member can effectively prevent the load of the predetermined height placed on the shelf from falling.
The engagement portion of the socket member includes a pair of engagement grooves formed in a vertical direction and a convex locking portion formed at a lower end portion of each engagement groove, and the hinge member is The engaging groove of the socket member may be provided with a claw portion that can be fitted from above. Accordingly, the hinge member can be easily and surely attached to the socket member.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an example of a completed state of the mounted object drop prevention mechanism P1 of the assembly shelf according to the present embodiment, and FIGS. 2 to 4 are explanatory views for explaining an assembly procedure of the mounted object drop prevention mechanism P1. FIG. 6 is a perspective view for explaining the operation of the mounted object drop prevention mechanism P1, and FIG. 6 is an explanatory view of its usage state.

As shown in FIG. 1, a mechanism P for preventing a fall of a placed object is provided.
Reference numeral 1 denotes a supporting sleeve S fitted into engagement grooves 1a formed at predetermined intervals on an outer peripheral surface of a supporting column 1 made of a pipe material facing each other, and a socket member 10 fitted into the supporting sleeve S. And a hinge member 11 engaged with the socket member 10, and an oval bearing portion 11a formed below the facing surface of the hinge member 11 so that the shaft portion 12a can rotate and move up and down. The arm member 12 is supported. The arm members 12 are arranged inside each other through a fall prevention portion 12b having a length corresponding to the width between the columns 1 to which the socket members 10 are attached, and vertical portions 12c having a predetermined length on both end sides of the fall prevention portion 12b. And a shaft portion 12a having a predetermined length formed so as to face each other.

The supporting sleeve S is vertically divided into two, as will be described later, and has a substantially conical shape with an upper tapered shape.
The inner surface has a convex portion that can be engaged with the engagement groove 1a on the outer periphery of the support column 1, and is engaged with these to be locked to the support column 1.
The socket member 10 is supported and fixed by the taper of the supporting sleeve S. Socket member 10
Includes a fitting portion 10a having a substantially cylindrical inner wall formed with a taper, and a pair of engagement grooves 10a formed in the vertical direction.
And a convex locking portion 10c formed at the lower end of each engagement groove 10a. In the socket member 10 according to the present embodiment, the fitting portion 10a is not a perfect tubular shape, but a tubular body is partially cut away in consideration of the engagement of the hinge member 11 (FIG. 2). (See (b)).

Engagement grooves 11b for engaging both ends of a rod-shaped drop prevention portion 12b of the arm member 12 which is pivoted and vertically moved by a manual operation to move upward are respectively provided at an upper end portion of the hinge member 11. Has been formed. Further, the hinge member 11 is provided with an engaging portion 13 including a claw portion 13b that can be fitted into each engaging groove 10a of the socket member 10 from above. In this embodiment, the engaging portion 13 is formed by bending a stainless steel plate or the like, and is fixed to the hinge member main body by welding. The supporting sleeve S and the socket member 10 can be made of, for example, an aluminum material, and the hinge member 11 and the arm member 12 can be made of, for example, stainless steel.

The fall prevention portion 12 of the arm member 12
In a state in which b is hung downward and is held so as to be suspended by the shaft portion 12a that engages with the bearing portion 11a of the hinge member 11 (the state shown in FIG. 1), it is possible to easily carry in and carry out a mounted object. . On the other hand, the arm member 12 is manually lifted and rotated so that both ends of the drop prevention portion 12b of the arm member 12 are engaged with the engagement groove 11b of the hinge portion 11 (state of FIG. 5 described later), The fall prevention part 12b can prevent the placed object placed on the shelf from falling.

Here, the procedure for assembling the object drop prevention mechanism P1 will be described with reference to FIGS. First, FIG.
As shown in (a), the supporting sleeve S is divided into two.
1 and S2 are respectively the engaging groove 1a at a predetermined position of the column 1.
Engage with. As shown in FIG. 10, a fitting groove is formed in the upper ends of the supporting sleeves S1 and S2 divided into two parts, and a C ring R is fitted into the fitting groove to form a supporting sleeve. It is designed to prevent the lifting of S1 and S2.

Next, as shown in FIG. 2 (b), the fitting portion 10a of the socket member 10 is inserted through the support column 1 and fitted onto the outer peripheral portion of the attached supporting sleeve S from above. Subsequently, as shown in FIG. 2C, the hinge member 1
The claw portions 13a and 13b of the first engaging portion 13 are engaged with the two engaging grooves 10b of the socket member 10, respectively. Then, for the supporting columns 1 facing each other, the work of mounting the respective members in FIG. 2 is performed so that the flat surface portions of the hinge members 11 mounted on the respective supporting columns 1 face each other in parallel, as shown in FIG. .

Next, as shown in FIG. 4, the arm member 1
2 is inserted into the bearing portion 11a of the hinge member 11 on the one side, and the hinge member 11 on the other side is slightly rotated inward, the other shaft portion 12a of the arm member 12 is The hinge member 11 which is inserted into the other bearing portion 11a and then rotated is returned to the original position (that is, the hinge member 11).
(The position where the plane parts of the are parallel to each other). This allows
The mounted object fall prevention mechanism P1 as shown in FIG. 1 is assembled. In addition, when the mounting object fall prevention mechanism P1 is provided at two or more end portions (for example, the left and right end portions and the rear end portion) of the shelf board T, the above-mentioned support columns 1 at both ends of the side of each end portion are provided. Each member will be attached. Further, in the case where the mounted object fall prevention mechanism P1 is provided on the shelf boards T of a plurality of stages, the above-mentioned members are attached for each stage.

Next, with reference to FIG. 5 and FIG. 6, the operation and use state of the object drop prevention mechanism P1 configured as described above will be described. First, in FIG.
For example, when loading and unloading the work piece A1 to and from the lower shelf T1, as shown in FIG. 5, both ends of the fall prevention portion 12b of the arm member 12 are engaged with the engagement groove 11b of the hinge portion 11. From this state, the fall prevention portion 12b of the arm member 12 is manually lifted and rotated downward, so that the fall prevention portion 12b of the arm member 12 hangs downward and engages with the bearing portion 11a of the hinge member 11. 12a is suspended. As a result, it is possible to easily carry in and carry out the work piece A1 to and from the shelf board T1. At this time, it is possible to omit the troublesome work of removing and then reattaching each time when carrying out the work of exchanging the placed object like the conventional fall prevention tool (see FIGS. 8 and 9), which improves convenience. be able to.

On the other hand, in order to prevent the placement object A2 from falling by the placement object fall prevention mechanism P1, as shown in FIG. 5, the fall prevention portion 12b of the arm member 12 is manually suspended from the downward position. Then, the engaging groove 11b of the hinge portion 11 is engaged with both ends of the fall prevention portion 12b of the arm member 12 by lifting up. This allows
Since the lateral movement of the object A2 placed on the upper shelf T2 in FIG. 6 is restricted by the contact with the fall prevention portion 12b of the arm member 12, the object A2 is shaken or inadvertently caused by an earthquake. It is possible to effectively prevent a situation in which the product falls from the end of the shelf T2.

Although the invention made by the present inventor has been specifically described based on the embodiments, the present invention is not limited to the above embodiments and can be modified without departing from the scope of the invention.

[0021]

As described above, according to the present invention, it is possible to engage a pipe-shaped support column having a plurality of engagement grooves formed at appropriate intervals on the outer peripheral surface and an engagement groove of the support column on the inner surface. Support sleeve having a substantially conical outer shape and one or more shelf boards having at least four corners a cylindrical socket portion that can be fitted into the support sleeve. In the assembled shelf, a fall prevention mechanism for preventing a fall of a placed object placed on the shelf plate, wherein the fall prevention mechanism is engaged with the engaging grooves of an appropriate height of the opposing columns. Supporting sleeves, a pair of socket members that can be fitted into the supporting sleeves, a pair of hinge members that can engage with engaging portions formed on the outer side of the socket members, and the hinge members And an arm member that is engaged to enable a predetermined movement operation. The arm members face each other inside with a fall prevention portion having a length corresponding to the width between the columns to which the socket members are attached, and vertical portions of a predetermined length on both end sides of the fall prevention portion. And a shaft portion of a predetermined length formed in such a manner that the shaft portion of the arm member is rotatably and vertically supported below the facing surface of each hinge member. And an engaging groove is formed on the upper end side of each hinge member so as to engage with the end portion of the fall prevention portion of the arm member that is rotated and moved up and down to move upward. Therefore, in the state where the placing object is placed on the shelf plate, the arm member is rotated and moved up and down to engage both ends of the fall prevention portion with the engaging groove on the upper end side of the hinge member. There is an effect that it can be prevented from falling. On the other hand, when performing work such as replacing the objects placed on the shelf board, lift the fall prevention part to release the engagement between the both ends and the engagement groove on the upper end side of the hinge member, and rotate the arm member. When the fall prevention part is hung downward, hold it by the bearing part of the hinge member so that it can be carried in.
There is an effect that it is possible to easily carry out the product. At this time, it is possible to omit the complicated work of replacing the placed object every time when the work of replacing the placed object is carried out like the conventional fall prevention tool, and then to reattach it, and it is possible to improve the convenience.

[Brief description of drawings]

FIG. 1 is a mechanism for preventing a dropped object P on an assembly shelf according to the present invention.
3 is a perspective view showing an example of a completed state of FIG.

FIG. 2 is an explanatory diagram illustrating an assembly procedure of the mounted object fall prevention mechanism P1.

FIG. 3 is an explanatory diagram illustrating an assembly procedure of the mounted object fall prevention mechanism P1.

FIG. 4 is an explanatory diagram illustrating an assembly procedure of the mounted object fall prevention mechanism P1.

FIG. 5 is a perspective view illustrating an operation of a mounted object fall prevention mechanism P1.

FIG. 6 is an explanatory diagram of a usage state of the mounted object fall prevention mechanism P1.

FIG. 7 is a perspective view showing a conventional assembly shelf.

FIG. 8 is a front view and a side view showing a conventional fall prevention tool.

FIG. 9 is a perspective view showing a usage state of a conventional fall prevention tool.

FIG. 10 is a perspective view showing a supporting sleeve and a C ring in the mounted object fall prevention mechanism P1.

[Explanation of symbols]

P1 Mounted object fall prevention mechanism 1 prop 2 Cylindrical socket 1a Ring-shaped engaging groove S support sleeve 10 Socket member 10a fitting part 10b engagement groove 10b locking part 11 Hinge member 11a bearing part 11b engagement groove 12 Arm member 12a Shaft 12b Fall prevention part 12c vertical part 13 Engagement part 13a, 13b Claw part T (T1, T2) shelf board A (A1, A2) Placement RC ring

Claims (3)

[Claims] 1. A pipe-shaped strut having a plurality of engagement grooves formed at appropriate intervals on an outer peripheral surface, and a convex portion engageable with the engagement groove of the strut is formed on an inner surface. An assembling shelf comprising a supporting sleeve having a substantially conical shape, and one or more shelf boards having at least four corners a cylindrical socket portion capable of being fitted to the supporting sleeve. A fall prevention mechanism for preventing a fall of a placed object placed on the support sleeve, wherein the support sleeves are engaged with the engaging grooves of appropriate heights of the supporting columns, and the support sleeves. A pair of socket members that can be fitted into the sleeve, a pair of hinge members that can be engaged with an engaging portion formed on the outer side of each socket member, and a predetermined movement operation for each hinge member And an arm member to be engaged, wherein the arm member is A drop prevention portion having a length corresponding to the width between the columns to which the socket members are attached, and a predetermined shape formed on both ends of the fall prevention portion so as to face each other inside via vertical portions of a predetermined length. And a shaft portion having a length, and on the lower side of the facing surface of each of the hinge members, an oval bearing portion that supports the shaft portion of the arm member so as to be rotatable and vertically movable is formed, On the upper end side of each hinge member,
A mounting object fall prevention mechanism for an assembly shelf, wherein an engagement groove is formed that engages an end portion of the fall prevention portion of the arm member that has been rotated and moved up and down and moved upward. 2. The mounting shelf according to claim 1, wherein each of the socket members is attached to a position near an upper portion of a shelf plate previously attached to the column via the supporting sleeve. Figurine fall prevention mechanism. 3. The engagement portion of the socket member comprises a pair of engagement grooves formed in a vertical direction and a convex locking portion formed at a lower end portion of each engagement groove, The mounting member fall prevention mechanism for an assembly shelf according to claim 1 or 2, wherein the hinge member includes a claw portion that can be fitted into each engagement groove of the socket member from above.