KR102271120B1 - Fall-prevention Device for Shelves of Mobile Rack - Google Patents

Abstract

The present invention relates to a fall prevention apparatus for shelves of a mobile rack, which is able to rotatably install a fall prevention unit in front of the shelves of the mobile rack, block articles put on the shelves by the fall prevention unit when the mobile rack is moving or when a vibration is generated by an earthquake or the like, prevent the articles from falling down toward a front side, protect the articles safely, and allow a user to easily put the articles on the shelves without separating the fall prevention unit. The fall prevention apparatus for the shelves of the mobile rack comprises: a fall prevention rod (210) placed at a position apart for a certain distance from a shelves reinforcing unit (150) placed in front of the shelves (100) to be parallel to the shelves; a pair of fixers (220) detachably installed on the shelves reinforcing unit (150) to support and fix both ends of the fall prevention rod (210); a fall prevention unit (230) rotatably installed on the fall prevention rod (210) to be placed vertically upward in front of the shelves (100) and to prevent articles from falling or to be placed vertically downward in front of the shelves (210) and to allow the articles to be loaded or taken out; a fixing nut (240) fastened with a bolt unit (225) of the fixers (220) penetrating the shelves reinforcing unit (150); and a fixing bolt (250) fastened with the fall prevention rod (210) inside the shelves reinforcing unit (150) to support and fix the fall prevention rod (210).

Description

Fall-prevention Device for Shelves of Mobile Rack

The present invention relates to a drop prevention device for a mobile rack shelf, and more particularly, an article placed on the shelf during movement of the mobile rack or when vibration occurs due to earthquake, etc. by rotatably installing a drop prevention device in front of the shelf of the mobile rack A drop prevention device for mobile rack shelves that is blocked by this drop arrester so that it does not fall to the front of the shelf and can safely protect the product, and that the product can be easily placed on the shelf without removing the drop arrester. it's about

Mobile Rack was developed to improve the problem of fixed bookshelves, which have limited storage space, and moves along the lower rail to store a large amount of books or documents in a narrow space. A portable storage box that makes this possible. By utilizing such a mobile rack, high-density storage of books and documents is possible, and storage efficiency is improved by two to three times, so that more books or documents can be stored in the same space. And it is possible to realize the most efficient data storage regardless of centralized or distributed storage of data, thereby saving space, improving the environment, and improving office efficiency and economic feasibility.

As shown in FIG. 1 , the mobile rack has a plurality of shelves installed to partition the inner space of the frame unit 1, so that storage items such as documents or books are placed on the shelves.

However, when vibration occurs due to a process in which the mobile rack (A) is moved on the rail (r) by the driving unit (h) or an earthquake, the items placed on the shelf may fall off the shelf, which in turn causes the mobile rack to be installed indoors. There is a problem in that a person is injured or an item such as an expensive relic placed on a shelf is damaged, resulting in economic loss.

In particular, when vibrations due to earthquakes, etc. occur, items may fall from the shelf even in a general fixed rack.

Accordingly, a fall prevention device for a shelf for a mobile rack device has been developed that can prevent an article placed on a shelf provided in the mobile rack device from falling down, which is, as shown in FIG. 2 , the entire mobile rack The frame part (1) forming the shape of the vertical support frame (13), the vertical partition panel (12) forming a vertical partition-type separation film between the vertical support frame (13), the vertical partition panel (12) ), a shelf 11 forming a bottom surface to accommodate items horizontally between them, a shelf separator 16 that can divide the space above the shelf 11, and the vertical support frame 13 It includes a rod support portion 14 connected to both sides of the , and a rod 15 fixed by the rod support portion 14 .

Accordingly, it is possible to prevent stored items such as books and documents stored on the shelf 11 by the rod 15 from falling from the shelf, thereby preventing damage to people in the room where the mobile rack is installed. do.

However, the above-described conventional fall prevention device for a shelf for a mobile rack device has a complicated structure, and the rod support part on which the rod is fixed is configured such that the vertical support frame is connected to both sides of the vertical support frame. There is the inconvenience of having to separate it from the vertical support frame.

On the other hand, as a result of investigating the prior art related to the present invention, a plurality of patent documents were searched, and some of them are introduced as follows.

Patent Document 1 includes a reinforcing plate formed in the longitudinal direction at the bottom of the shelf for reinforcing the strength of the shelf, and includes a space portion that forms a certain space between the shelf and the reinforcing plate, and has excellent breathability and strength, and the upper part of the space , Ventilation holes are formed in the shelf and the protruding reinforcement part located on the lower side, so that excellent ventilation can be secured through the space part and the ventilation hole, and the end of the shelf separator is bent to prevent injury to the user's hand. Each component of the driving unit that generates the driving force to move the mobile rack is divided and supported by separate first and second support panels independently of the front panel of the front panel of the mobile rack. replacement and repair work is possible, and when the driving force is transmitted to the moving part of the lower part of the mobile rack, it is decelerated and transmitted to prevent damage to the frame of the entire mobile rack due to excessive force application, and to be easily moved. Disclosed is a mobile rack having a shelf with excellent strength and strength.

Patent Document 2 discloses a plate-shaped shelf body with a flat bottom; It is formed to protrude from the upper part of the shelf body to support the bottom of the object to be contained and to form a ventilation path between the object to be contained and the shelf body, spaced from each other in the form of a point in the form of a plurality of rows and a plurality of sides. Consisting of a plurality of ventilation protrusions arranged in rows or arranged in a zigzag form, the shelf body includes reinforcing ribs that protrude from the bottom of the shelf body while being arranged in a straight line along the left and right width directions, through smooth circulation of air Disclosed are a shelf having a ventilation path and a mobile rack having the same, which prevents discoloration of objects such as books and documents, and prevents the shelf from bending or sagging downward due to the load of the contained objects.

'자 형상으로 형성하여 선반에 수납되는 수납물품의 크기에 따라 각 형상의 로드를 선택적으로 사용할 수 있도록 하는 모빌랙 수납품 지지 시스템을 개시하고 있다. Patent Document 3, including a rod support portion capable of fixing the rod by forming a vertical skeleton of the mobile rack frame portion and being bound through a through hole of the vertical support frame on both sides of the vertical support frame installed spaced apart at regular intervals , A person in the room in which the mobile rack is installed by preventing books, documents, etc. stored on the shelf of the frame part from falling from the shelf by the rods seated and fixed through the rod support parts on both sides. In order to prevent damage, etc. of the rod, the rod body constituting the body part is formed in a 'ㅡ' shape or '

Disclosed is a mobile rack storage product support system that is formed in a 'shape and can selectively use rods of each shape according to the size of storage products stored on a shelf.

US 10-1141097 B1 US 10-1604836 B1 US 10-1622241 B1

The present invention has been devised to solve the problems of the prior art, and by rotatably installing a drop prevention bar at the front of the shelf of the mobile rack, the article placed on the shelf while the mobile rack is moving or when vibration occurs due to an earthquake, etc. Provides a drop prevention device for mobile rack shelves that is blocked by the fall arrester so that it does not fall to the front of the shelf to safely protect the product, and allows the product to be easily placed on the shelf without removing the fall prevention device but it has a purpose.

The present invention for achieving the above object, the fixed rack in a mobile rack comprising a pair of fixed racks installed to be spaced apart from each other by a predetermined degree and a plurality of moving racks installed between the fixed racks so as to be movable between the fixed racks Alternatively, in the drop prevention device for a mobile rack shelf, which is installed on a plurality of shelves provided in the mobile rack to prevent the items placed on the shelf from falling, the shelf and the shelf are positioned at a certain distance from the shelf reinforcement provided in the front part of the shelf. a fall prevention bar that is arranged to a pair of fixtures that are detachably installed on the shelf reinforcement to support and fix both ends of the fall prevention bar; A drop prevention bar that is rotatably installed on the drop prevention bar and is vertically disposed in front of the shelf to prevent the product from falling or is vertically disposed in front of the shelf to allow loading or unloading of the product; a fixing nut fastened to the bolt portion of the fixing table from the inside of the shelf reinforcement; and a fixing bolt inserted from the outside of the holder and fastened to the fall prevention rod to support and fix the fall prevention rod.

In addition, according to the drop prevention device for a mobile rack shelf of the present invention, the drop prevention unit comprises a flat plate-shaped blocking part, a reinforcement part formed by bending a part of the end part downwardly after bending in the horizontal direction from the top of the blocking part for reinforcement, , a rotating part that extends vertically after being processed into a curved surface having a diameter larger than that of the fall prevention bar and the lower part of the blocking part has a larger diameter than the fall prevention bar to rotate based on the fall prevention rod, and a rotation part so that the fall prevention rod is inserted and fixed It is characterized in that it comprises an insertion part formed on one side of the doedoe opposed to the reinforcing part, and a separation prevention bar that connects the blocking part and the vertical part of the rotating part to prevent it from being separated from the fall prevention rod.

In addition, according to the drop prevention device for a mobile rack shelf of the present invention, the drop prevention rod is formed in a rectangular structure provided with screw fastening tabs in the center of both ends, and the insertion part of the drop prevention rod is a square into which the drop prevention rod of the rectangular structure is inserted. It is characterized in that it is formed in a structure.

In addition, according to the drop prevention device for a mobile rack shelf of the present invention, the fixing unit has a seating portion in which the end of the drop prevention rod is in close contact and a through hole is formed, a contact portion formed thicker than the seating portion so as to be in close contact with the outside of the shelf reinforcing portion, and a shelf; It is provided in the contact part so as to penetrate the reinforcement part and characterized in that it includes a bolt part to which the fixing nut is fastened from the inside of the shelf reinforcement part.

In addition, according to the drop prevention device for a mobile rack shelf of the present invention, the shelf reinforcement part is bent downwardly at the edge of the shelf, then bent again inward, and has a structure in which the end is bent upward, and the end of the shelf formed in a rectangular shape It is characterized in that it is formed in all.

The drop prevention device for a mobile rack shelf of the present invention is provided with a fall prevention bar on the front side of the shelf to prevent the items placed on the shelf from falling forward, so that safety accidents and property loss due to the falling of the items during movement or when vibration occurs due to earthquakes, etc. Of course, as the fall arrester is rotatably installed on the fall prevention rod, the end of the shelf is exposed to the outside by rotating the drop prevention rod, so that items can be placed on the shelf without separating the drop prevention rod from the shelf. have.

In addition, according to the fall prevention device for a mobile rack shelf of the present invention, as the rotation part having a larger diameter than that of the drop prevention rod is provided in the fall prevention rod, the fall prevention rod can be rotated smoothly and an insertion groove is provided. The fall prevention bar is inserted and fixed in the insertion groove of the fall prevention bar when it is set in front of the shelf, and even if the drop prevention rod is lowered to the bottom of the shelf, it is supported by the departure prevention rod and does not come off.

In addition, according to the fall prevention device for a mobile rack shelf of the present invention, as the fall prevention rod is formed in a rectangular structure and the insertion groove of the fall prevention member is also formed in a rectangular structure, the insertion groove of the drop prevention rod is set in front of the shelf. The anti-fall bar is fixed to the top of the shelf without rotating, so the front part of the shelf is stably blocked.

1 is a reference diagram for explaining a general mobile rack.
Figure 2 is a perspective view showing a device for preventing a drop of a shelf for a conventional mobile rack device.
3 is an exploded perspective view of a fall prevention device for a mobile rack shelf according to the present invention.
Figure 4 is a perspective view showing a state in which the drop prevention device for a mobile rack shelf according to the present invention is installed on the shelf.
Figure 5 is a perspective view from the rear of the state that the fall prevention device for a mobile rack shelf according to the present invention is installed on the shelf.
Figure 6 is a perspective view showing a fall prevention stand of the fall prevention device for a mobile rack shelf according to the present invention.
7 is a reference view showing the use state of the fall prevention device for a mobile rack shelf according to the present invention.

Hereinafter, the fall prevention device for a mobile rack shelf of the present invention will be described with reference to the accompanying drawings.

The terms used in the present invention are terms defined in consideration of functions in the present invention, which may vary depending on the intention or custom of the user or operator, so the definitions of these terms correspond to the technical matters of the present invention and should be interpreted as a concept.

In addition, the embodiments of the present invention do not limit the scope of the present invention, but are merely exemplary matters of the constituent elements presented in the claims of the present invention, and are included in the technical spirit throughout the specification of the present invention and of the claims. It is an embodiment including a substitutable component as an equivalent in the component.

In addition, optional terms in the examples below are used to distinguish one component from other components, and the components are not limited by the terms.

Accordingly, in describing the present invention, detailed descriptions of related known technologies that may unnecessarily obscure the gist of the present invention will be omitted.

3 is an exploded perspective view of the drop prevention device for a mobile rack shelf according to the present invention, and FIG. 4 is an exploded perspective view of the drop prevention device for a mobile rack shelf according to the present invention installed on the shelf 5 is a perspective view from the rear showing a state in which the fall prevention device for a mobile rack shelf according to the present invention is installed on the shelf, and FIG. 6 is a drop prevention stand of the drop prevention device for a mobile rack shelf according to the present invention is shown It is a cross-sectional view, and FIG. 7 is a reference view showing the use state of the drop prevention device for a mobile rack shelf according to the present invention.

The drop prevention device for a mobile rack shelf according to the present invention is a mobile rack comprising a pair of fixed racks installed to be spaced apart from each other and a plurality of moving racks installed between the fixed racks so as to be movable between the fixed racks. , A device installed on a plurality of shelves provided in the fixed or mobile rack to prevent the items placed on the shelves from falling, and as shown in FIGS. 3 to 6 , a fall prevention bar 210 and a pair of fixtures (220), the fall prevention bar 230, the fixing nut 240 fastened to the bolt part 225 of the fixing bar 220 penetrating the shelf reinforcement part 150, and falling from the inside of the shelf reinforcement part 150 It is fastened to the prevention rod 210 and comprises a fixing bolt 250 for supporting and fixing the fall prevention rod 210 .

The drop prevention rod 210 is disposed parallel to the shelf at a position spaced apart from the shelf reinforcement part 150 provided in the front part of the shelf 100 and in parallel with the shelf, as shown in FIG. 3 , a screw in the center of both ends. It is formed in a rectangular structure provided with a fastening tab 225 . The reason why the fall prevention rod 210 is formed in a rectangular structure is to prevent the fall prevention rod 230 from being rotated by being coupled to it, but if it can be fixed so that the fall prevention rod 230 does not rotate, it must be formed in a rectangular structure. You do not have to do.

The holder 220 is detachably installed on the shelf reinforcement 150 of the shelf 100 to support and fix both ends of the fall prevention rod 210, and as shown in FIG. 3, the drop prevention rod 210 ) in close contact with the seating portion 221 having the through hole 222 formed thereon, and the shelf reinforcing portion 150 provided on the front of the shelf 100 in close contact with the outside of the seating portion 221 so as to be thicker than the seating portion 221 . It includes a part 223 and a bolt part 225 provided in the close contact part 223 to penetrate the shelf reinforcement part 150 and to which the fixing nut 240 is fastened from the inside of the shelf reinforcement part 150 . The fixing rod 220 is installed to be spaced apart by a length corresponding to the length of the fall prevention rod 210, and the drop prevention rod 210 is inserted into the through hole 222 of the seating part 221 by the fixing bolt 250. ) to be fixed.

The drop prevention bar 230 is rotatably installed on the drop prevention bar 210, and as shown in FIG. 7, is vertically disposed in an upward direction in front of the shelf 100 to prevent the product from falling or the shelf. It is arranged vertically downward in front of the (100) so that the goods can be loaded or unloaded. Specifically, as shown in FIG. 6 , the fall arrester is formed by bending a flat plate-shaped blocking part 231 and the top of the blocking part 231 in the horizontal direction for reinforcement, and then bending a part of the end downward. Reinforcing part 232 and the lower end of the blocking part 231 with a larger diameter than the fall prevention bar 210 to rotate based on the fall prevention rod 210 has a curved shape having a larger diameter than the fall prevention rod 210 An insertion part 234 formed at a position opposite to the reinforcing part 232, which is formed on one side of the rotating part 233 so that the rotating part 233 vertically extended after being processed and the fall prevention rod 210 is inserted and fixed. ), and a separation prevention bar 235 that connects the vertical portion of the blocking portion 231 and the rotating portion 233 to prevent separation from the falling prevention rod 210 . At this time, the insertion part 234 is formed in a rectangular structure so that the fall prevention rod 210 formed in the rectangular structure is inserted.

Accordingly, the drop prevention bar 230 rotates with respect to the drop prevention rod 210, but when used for the purpose of preventing the product from falling, it is vertically disposed in an upward direction in front of the shelf 100 so that the insertion part By inserting the anti-fall bar 210 into the 234, the front of the shelf 100 is blocked without rotating. In addition, when an article is loaded on the shelf or an article is taken out from the shelf, it is rotated based on the drop prevention rod 210 and vertically disposed downward in front of the shelf 100 to open the front of the shelf.

The fixing nut 240 is fastened to the bolt part 225 of the fixing bracket 220 from the inside of the shelf reinforcement part 150 provided on the front side of the shelf 100 to fix the fixing base 220, and the fixing nut ( 250 is inserted into the through hole formed in the seating portion of the fixture and fastened to the screw fastening tab 215 of the fall prevention bar, thereby connecting and fixing the fixture 220 and the fall prevention bar 210 .

And, as shown in FIG. 7 , the shelf reinforcing part 150 is bent downward at the edge of the shelf 100 and then again bent inward and formed in a structure in which the end part is bent upward. It may be formed only on the front surface of the , but it is preferable to improve the strength of the shelf 100 by being formed at all ends of the shelf 100 formed in a rectangular shape.

The drop prevention device for a mobile rack shelf of the present invention configured as described above is installed on the front side of the shelf to block or open the front side of the shelf.

When placing an article on the shelf 100 or withdrawing an article from the shelf 100, as shown in (b) of FIG. 7 , the rotation part 233 of the fall arrester 230 is rotated downward by rotating the fall arrester 230 downward. ) is to be caught on the drop prevention rod 210 at a lower position than the upper surface of the shelf 100 so that the front end surface of the shelf 100 is exposed. Accordingly, when placing an article on the shelf 100 or withdrawing an article from the shelf 100 , it is possible to easily place or withdraw the article without being disturbed by the fall prevention bar 230 .

When an article is placed on the shelf 100 , as shown in (a) of FIG. 7 , the anti-fall bar 230 is rotated upward so that the anti-fall bar 230 covers the front of the shelf 100 . To this end, the fall prevention rod 230 is lowered and fixed so that the fall prevention rod 210 is inserted into the insertion part 234 of the fall prevention rod 230 after rotating the falling prevention rod 230 upward. As long as the preventive bar 230 is not moved upward, the fall arrester 230 is not rotated. At this time, since the separation prevention belt 235 of the fall prevention rod 230 is caught by the falling prevention rod 210 , the falling prevention rod 230 does not separate from the falling prevention rod 210 . Therefore, even if vibration occurs due to movement of the mobile rack or an earthquake, the article placed on the shelf 100 is not caught by the blocking part of the drop prevention stand 230 and does not fall.

Although the above has been described and illustrated in relation to several embodiments for illustrating the technical idea of the present invention, the present invention is not limited to the configuration and operation as described above, and the scope of the technical idea described in the description of the invention It will be appreciated by those skilled in the art that many changes and modifications may be made to the present invention without departing from the scope of the present invention. Accordingly, all such suitable alterations and modifications and equivalents are to be considered as being within the scope of the present invention.

100...shelf
150...shelf reinforcement
200...fall arrester
210... Fall Bar
215...Tab for screwing
220...fixture
221...
222...through hole
223...Attachment
225...bolt part
230...fall arrester
231...Block
232...reinforcement
233...Rotating part
234...Insert part
235... Breakout Bar
240....Fixing nut
250...Fixing bolts

Claims (5)

In the drop prevention device 200 for a mobile rack shelf, which is installed on a plurality of shelves provided in a fixed rack or a mobile rack of the mobile rack to prevent items placed on the shelf from falling,
a drop prevention rod 210 disposed in parallel with the shelf at a position spaced apart from the shelf reinforcement 150 provided in the front part of the shelf 100;
A pair of fixtures 220 that are detachably installed on the shelf reinforcement 150 to support and fix both ends of the fall prevention rod 210;
It is rotatably installed on the drop prevention bar 210 and is vertically disposed in front of the shelf 100 to prevent the product from falling, or is vertically disposed in front of the shelf 100 to load or withdraw the product. A fall prevention device 230 that allows;
a fixing nut 240 fastened to the bolt part 225 of the fixing base 220 penetrating the shelf reinforcement part 150; and
A fall prevention device for a mobile rack shelf, comprising a; a fixing bolt 250 that is fastened to the fall prevention rod 210 from the inside of the shelf reinforcement part 150 to support and fix the fall prevention rod 210.
According to claim 1,
The drop prevention bar 230 includes a flat plate-shaped blocking portion 231, and a reinforcement portion 232 formed by bending in the horizontal direction at the upper end of the blocking portion 231 for reinforcement, and then bending a portion of the end downward; The lower part of the blocking part 231 with a larger diameter than the fall prevention rod 210 to rotate based on the fall prevention rod 210 is processed into a curved shape having a larger diameter than the fall prevention rod 210 and then vertically extended The rotation part 233 and the insertion part 234 formed at a position opposite to the reinforcement part 232 formed on one side of the rotation part 233 so that the fall prevention rod 210 is inserted and fixed, and the blocking part 231 ) and a drop prevention device for a mobile rack shelf, characterized in that it includes a separation prevention bar 235 that connects the vertical portion of the rotating portion 233 to prevent separation from the drop prevention rod 210 .
According to claim 1,
The drop prevention rod 210 is formed in a square structure provided with screw fastening tabs 225 in the center of both ends,
The drop prevention device for a mobile rack shelf, characterized in that the insertion part 234 provided in the drop prevention stand 230 is formed in a rectangular structure into which the drop prevention rod 210 is inserted.
According to claim 1,
The holder 220 is formed thicker than the seating part 221 so that the end of the drop prevention rod 210 is in close contact with the seating part 221 in which the through hole 222 is formed, and the shelf reinforcement part 150 is in close contact with the outside. and a bolt part 225 provided in the close contact part 223 to pass through the shelf reinforcement part 150 and to which the fixing nut 240 is fastened from the inside of the shelf reinforcement part 150. A drop prevention device for a mobile rack shelf, characterized in that.
According to claim 1,
The shelf reinforcing part 150 has a structure in which it is bent downwardly at the edge of the shelf 100 and then is again bent inward and the end is bent upward,
A drop prevention device for a mobile rack shelf, characterized in that it is formed on both ends of the shelf 100 formed in a square shape.

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