JPH063917U - Folding stackable shelves - Google Patents

Abstract

(57) [Summary] (Corrected) [Purpose] The purpose is to provide a folding stackable shelf on which products and articles used in factory warehouses are placed. [Structure] One bottom frame 10 made of hollow square material,
It has one leg seat 11 at each of the four corners of the bottom frame, and two hollow left and right leg seats each have a hollow triangular bar 21, 22 at the bottom thereof.
It is made of one base seat 1 with a square base and a square bar with a hollow triangular bar attached horizontally at the top and bottom, and stands vertically on both the left and right sides of the base or pushes down 90 degrees to create a base. It is composed of two side frames 2 arranged so as to be placed on top of each other, and when folded, the triangular bars of the side frames and the triangular bars between the leg seats are superposed on each other.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a foldable stackable shelf for placing products and articles used in factory warehouses.

[0002]

[Prior art]

 There are two types of conventional shelves, fixed type and combination type. The former has relatively high manufacturing cost, and it is not easy to move when the work method is changed or expanded. The latter usually has plastic boxes stacked directly on top of each other, but it does not have a hooking device and cannot be stacked too high, and it may tilt and fall. Moreover, since the plastic box is sealed on all four sides, it is inconvenient to first unload the box stacked in the upper layer when examining the articles in the lower layer.

As a relatively advanced shelf, there is a Taiwanese patent application No. 78200574 entitled “Strong Folding Storing Basket” (Strong Folding Shelves). The shelf is connected to the corners with a spiral ring to form a shelf with a net-like bottom, and the spiral rings attached to the corners are designed to fit freely and can be removed. In order to stack articles on top of it, there is a bottom seat made by combining U-shaped steel in the bottom part, and foot seats with arc-shaped recessed grooves are attached to the four corners of the bottom seat. The hollow groove supports the upper net frame, and it is stacked in several stages so that it does not take up much space.

[0004]

[Problems to be solved by the device]

 However, the conventional shelves described above have the following drawbacks in practical use. 1. Since the nets on the shelves are all made of thin iron bars, they cannot be combined by packing, adhesive or knitting, but generally by welding. Although this method is good in strength, it chooses a relatively thin iron bar for cost and lightness, so its strength is weak, and when the articles are loaded on the upper stage, the weight of the net rack on the lower shelf causes the weight of the net frame on the lower shelf. It is not possible to bear the weight of the product and it may bend and the welded part may be damaged. 2. The leg seats support the shelves, and the arcuate recessed groove on the bottom supports the net frame of the upper shelf. This leg seat is not strong enough to support the weight from above, but when it receives a force coming from the side, it is not strong enough and easily loosens or falls off. The reason for this is that due to the U-shaped steel in the bottom seat, the leg seat can only be welded to its front and rear ends. 3. Since the base is welded by combining U-shaped steels in a crossed manner, one U-shaped steel must be opened in the U-shaped steel at the crossing point to allow another U-shaped steel to pass through. Due to the notch, the strength of the U-shaped steel becomes weak and deformation is likely to occur at that location.

[0005]

[Means for Solving the Problems]

 In order to simplify the structure, the folding and stacking type shelf of the present invention is a shelf in which one bottom seat and two side frames are vertically combined to the left and right of the bottom seat, and the bottom seat and side frames are made of steel. Instead, it was designed by combining hollow squares and triangles to have high strength to withstand a considerable weight.

[0006] One leg seat is provided at each of the four corners of the bottom seat so that it can be connected to the lower ends of the vertical columns at the front and rear of each side frame, and the front ends of the upper ends of the vertical columns at the front and rear corners of each side frame are connected to each other. After attaching the horizontal bar support to support both ends of the horizontal bar of the book and vertically assembling the side frames to both sides of the bottom seat, the two horizontal bars hold the left and right side frames vertically and stabilize them. In addition, each leg seat has one fitting groove at the upper end, and the bottom seat and both side frames can be stably combined by being fitted into the barb protrusions attached to the lower ends of the vertical columns at the four corners of the side frame. Each leg is still equipped with a horizontal bar support installed at the upper end of the vertical column of the side frame, and when this shelf is folded, the horizontal bar fitted into the support installed at the upper ends of the vertical columns of the left and right side frames. After removing it, set it so that it can be fitted into the horizontal bar support of the left and right leg seats.

[0007]

【Example】

 As shown in FIG. 1, the folding and stacking type shelf of the present invention is composed of one bottom seat 1, two side frames 2 and two horizontal bars 3. The bottom seat 1 has a bottom frame 10 on which an article is placed, leg seats 11 attached to four corners, and a horizontal bar 110 having a V-shaped cross section. The horizontal bar 110 is joined by welding between the bottom ends of the front and rear leg seats 11 on the left and right sides. A hollow triangular bar 21 is provided laterally on the upper end of the side frame 2 so as to fit the lateral bar 110. Triangular bars 22 are also welded laterally between the upper ends of the front and rear leg seats 11 on both the left and right sides, and when the shelf of the present invention is removed without being used, the triangular bars 22 are the lower horizontal bars described above. Fits 110 and stabilizes.

A situation in which the shelf of the present invention is removed and folded will be described with reference to FIGS. 2 and 3. One short stop bar 101 is provided at the four corners of the bottom frame 10 near the leg seats 11, and pushes the bottom end of the side frame 2. One U-shaped guide tool 102 is attached to the bottom frame 10 along the lower end of the vertical column on the outside of the side frame 2, and one sliding rod 20 is attached to the lower end of the vertical column of the side frame. The slide bar 20 fits in the U-shaped guide 102, and its head extends out of the U-shaped guide 102. A single barb projection 23 is attached to the lower end of the front surface of the vertical column on the outside of the side frame 2 to engage with a barb groove 112 provided on the upper end of the leg seat 11. The lower end of the front surface of the leg seat 11 is also provided with a horizontal bar support 111, and when the shelf is removed, both ends of the removed horizontal bar 3 can be pushed into the support 111 for storage. This horizontal bar support 111 is also attached to the upper end of the vertical column outside the side frame 10, and when the shelves are stacked and used, both ends of the two horizontal bars 3 are inside the horizontal bar support 111. Push it down and place it on both sides to hold it vertically to prevent it from tilting.

To remove the side frame 2 from the bottom seat 1, pull it up and move the slide bar 20 upward along the inside of the U-shaped guide tool 102 to move the barb protrusion 23 away from the barb groove 112. At the same time, if the side frame 2 is raised past the stop rod 101, the side frame 2 is completely separated from the bottom seat 1. Then, the left and right side frames 2 are pushed down on the base 1 in order and placed on it. At that time, the triangular rod 22 just overlaps with the triangular rod 110 of the leg seat 11 and is stable and does not take a place.

FIG. 5 is a perspective view showing a state in which the shelves are stacked and used in two stages. The side frames 2 of the shelves are set to stand vertically on both sides of the bottom seat 1, and the hanging protrusions 23 are placed in the hanging grooves 112. However, the lower end of the vertical column on the outside of the side frame 2 is pushed by the stop bar 101 on the bottom frame 10, and the both ends of the horizontal bar 3 are inserted into the both supporters 111 at the upper ends of the vertical columns of the side frame 2. The combination is completed if it is fitted. To stack the shelves, use a lift truck to put one shelf on it and lift it up high. Then place the triangular bar 110 next to the leg seat 11 of the upper shelf on the upper end of the side frame 2 of the lower shelf. If you put it on the triangular bar 21 next to, you can easily achieve its purpose.

[0011]

[Effect of device]

 The folding and stacking type shelf of the present invention has a simple structure composed of one bottom seat, two side frames and two horizontal bars, and it has two, three or four steps. It has the convenience that it can be easily stacked and used. Further, since the bottom seat and the side frame are all frame-shaped and made of hollow timber, they are neither curved nor deformed with a strength that can withstand a considerable weight of the article. When removing and folding, remove the horizontal bar that supports the two side frames and insert it into the support of both legs of the bottom seat to save it. It can be stored without taking up space.

[Brief description of drawings]

FIG. 1 is a perspective view when the present invention is combined.

FIG. 2 is an internal perspective view of a leg seat peripheral portion in the present invention.

FIG. 3 is an outer perspective view of a portion around a leg seat in the present invention.

FIG. 4 is a perspective view when two shelves according to the present invention are folded and stacked.

FIG. 5 is a perspective view when two shelves according to the present invention are used in combination.

[Explanation of symbols]

 1 Bottom base 2 Side frame 3 Horizontal bar 10 Bottom frame 21, 22 Triangle bar 23 Barb protrusion 101 Stop bar 102 U-shaped guide tool 110 V-shaped inverted triangular bar 111 Side bar support 112 Bar groove

Claims (3)

[Scope of utility model registration request] 1. A single bottom frame made of a hollow square material,
It has one leg seat at each of the four corners of the bottom frame, and one hollow triangle bar at the bottom between the two leg seats on the left, right, front and back, and at the top and bottom ends. Made of square material with one hollow triangular bar attached horizontally, and two side frames designed to stand vertically on the left and right sides of the base or push down 90 degrees to be placed on the base. It is a foldable stackable shelf that is made up of, and when folded, the triangular bars on the side frame and the triangular bars between the leg seats overlap each other for stability. 2. The bottom frame of the base is provided with four stop bars at the four corners on the front and rear parallel horizontal bars, and one U-shaped guide on the left and right parallel horizontal bars. There is a tool, one catch groove is provided at the upper end of each leg seat, and lateral short slide bars are provided at the bottom ends of the vertical columns at the four corners of the side frame, and one catch piece is used as the catch groove of the leg seat. If you want to remove the side frame from the bottom seat by installing it in the position where it fits, pull up the side frame from the bottom seat and slide the sliding rods that are fitted in the U-shaped guides upwards in it, and slide the four corners vertically. The side frame is completely separated from the bottom seat by pushing the lower end of the pillar over the stop bar and moving the catch piece away from the catch groove, and the side frame is pushed down 90 degrees and placed on the bottom seat. Folding stackable shelves as described. 3. A horizontal bar support is attached to the upper front surface of the side frame and the lower front surfaces of the left and right leg seats, and when the shelf is used, both ends of the two horizontal bars are left and right. Fitted in the side bar support of the side frame, so that both side frames are held vertically stable,
Further, when folding without using the shelves, the two horizontal bars can be detached from the horizontal bar supports of the left and right side frames and inserted and stored in the supports of the left and right leg seats. Folding stackable shelves.