KR100669041B1 - Fabricated shelves separation preventive - Google Patents

Abstract

A fabrication type iron shelf is provided to prevent separation of a shelf support when shock in an upper direction is generated by installing a separation preventing protrusion on the rear end of the shelf support. The fabrication type iron shelf preventing separation includes a pillar(10), shelf supports(20,30) and a shelf(40). Both sides of the shelf(40) are coupled with the lower parts of the shelf support(20,30). Plural holding holes(12) are formed on the pillar(10). First holding members(23,33) and second holding members(14,34) installed on the rear end of the shelf support(20,30) are coupled with the holding holes(12), and separation preventing members(21,31) for preventing separation of the pillar(10) and the shelf(40) are formed on the rear end of the shelf support(20,30) and include a separation preventing protrusion portion(22',32') rotation recess portions(22,32) and an inclination.

Description

Fabricated shelves separation preventive

1 is an exploded perspective view of a prefabricated steel sheet,

2 and 4 are cross-sectional views showing the assembly process of the prefabricated steel sheet,

2 is a cross-sectional view before assembling the prefabricated steel shelf,

3 is an assembled state cross-sectional view of the prefabricated steel sheet,

Figure 4 is a cross-sectional view of the prefabricated steel book is assembled,

Figure 5 is a cross-sectional view showing the departure-avoidance function in the prefabricated steel book assembled state,

6, 7 and 8 is a perspective view showing another embodiment of the separation prevention prefabricated steel sheet,

9 is an exemplary view showing another modified example of the present invention.

<Description of the symbols for the main parts of the drawings>

10; Prop, 12; Hook hole, 14; Hang surface

(20,30); Shelf supports, (21,31); Anti-separation pieces (22, 32); Swivel groove,

(22 ', 32'); Release prevention projections (23, 33); First jam piece, (24,34); Second Jam,

(23 ', 33'); First catch groove, 24 ', 34'; Second locking groove, 25,35; Shelf Plate,

(26,36); Shelf supports, 27,37; Shelf break prevention bending part,

(28,38); Inclined plane, (28 ', 38'); Lateral edges (29, 39); Upper surface 40; shelf,

(41,42); Left and right bent portions, 121; Guide balls, 221 ', 321'; Insert rod

The present invention relates to a prefabricated steel shelf for departure prevention, and more particularly, to a prefabricated steel shelf for storing, displaying and storing goods and objects such as various books by installing in a library, a warehouse, a general store or a warehouse or a library. The present invention relates to a detachable prefabricated steel sheet that can prevent the detachment of the shelf support when an impact from the outside is formed by forming a detachment prevention protrusion.

In general, the prefabricated steel sheet is cut to an angle formed by a plurality of perforated locking holes to the length to be used, and after assembling the shelf support by fastening bolts and nuts to the angle formed by the locking holes, horizontally to the angle of the locking holes The shelf made of a thin iron plate or sheet is fixed to the shelf support of the assembled shelf and used.

However, the shelf assembled by fastening the bolts and nuts at the above angle has a problem that the assembly and dismantling work is very cumbersome and requires a lot of time since a number of bolts and nuts must be used.

Another prior art is to improve the problems as described above, a plurality of locking holes are formed at equal intervals to install a support for adjusting the height of the shelf, the locking protrusion is formed downward in the rear end of the shelf support on the support After the engaging recess formed in the lower portion is seated in the engaging groove formed in the holding post to assemble the shelf support, the shelf made of a thin iron plate or plate is used to secure the shelf to the shelf support seated in the engaging hole.

However, another prior art as described above has the effect that it is easy to assemble and dismantle easily, but in order to assemble the locking projections formed on the rear end of the shelf support, the locking holes are formed longer than the length of the locking projections to fasten to the locking holes without interference Can be combined.

Therefore, since the length of the locking hole is longer than the length of the locking projection piece, when the shelf formed of the sheet material is placed on the shelf support, when the user's carelessness or a mobile prefabricated steel book is used, the impact protrusion upwardly protrudes downward on the shelf support. If this occurs, the shelf support is moved upward, there is a problem that can be separated through the engaging hole formed longer than the length of the engaging projection.

 The present invention is to solve the above problems, the object is to further install a protrusion preventing protrusion formed upwardly in the rear end of the shelf support of the prefabricated steel shelf, shelf support at the time of impact from the bottom to the shelf support It is to provide a prefabricated steel shelf for departure prevention to prevent the departure of, and to ensure structural stability.

Still another object of the present invention is to install the shelf support and the shelf firmly without using a separate coupling means in the holding post is formed at a plurality of equal intervals, the separation can be easily assembled and dismantled shelf support and shelf It is to provide a prefabricated steel shelf for prevention.

In order to achieve the object of the present invention as described above, the present invention comprises: a strut formed with a plurality of engaging holes that can adjust the height of the shelf at equal intervals; Shelf support is fastened to a plurality of engaging holes formed in the support to perform the separation prevention function; It characterized in that it comprises a shelf placed on the shelf support piece bent under the shelf support.

An embodiment of the present invention, which solves the above problems, is described below with reference to the accompanying drawings.

1 is an exploded perspective view of the prefabricated breakaway steel shelf, Figures 2 and 3, 4 is a cross-sectional view showing the assembly process of the prefabricated breakaway steel shelf, Figure 2 is a cross-sectional view before assembling the prefabricated steel shelf, Figure 3 4 is a cross-sectional view showing a state in which the prefabricated steel book is assembled, Figure 4 is a cross-sectional view of the prefabricated breakaway prefabricated steel book is assembled, Figure 5 is a cross-sectional view showing the separation prevention function in the prefabricated breakaway prefabricated steel book is assembled, Figure 6 is a perspective view showing another embodiment of the separation prevention prefabricated steel sheet, Figure 9 is an exemplary view showing another modification of the present invention.

In FIG. 1, the prefabricated steel shelf is composed of a support 10, a shelf support 20, 30, and a shelf 40 formed with a plurality of locking holes.

The strut 10 has a plurality of engaging holes 12 having a predetermined length L vertically spaced at equal intervals in a 'T' shape having a rectangular or upper guide hole on the left and right sides to increase the height of the shelf. It is configured to be adjusted according to the user's purpose, the holding member 10 is provided with a locking surface 14 for the departure prevention piece 21 of the shelf support (20, 30) to prevent the departure due to the occurrence of external impact. have.

The shelf supports 20 and 30 are curved shelf support plates 25 and 35 having a curved shape toward the front side, and bent shelf support pieces 26 and 36 supporting both ends of the shelf 40 at the bottom thereof. The shelf departure preventing bends 27 and 37 are formed long in the front and rear directions to the outside of the shelf support pieces 26 and 36, and the posts are formed at the rear ends of the shelf plates 25 and 35 of the shelf supports 20 and 30. The first locking pieces 23 and 33 and the second locking pieces 24 and 34 protruding downwardly coupled to the locking holes 12 of the 10 are formed, and the first locking pieces 23 and 33 and the first locking pieces 23 and 33 are formed. The first catching recesses 23 'and 33' and the second catching recesses 24 'and 34' are respectively disposed to be seated in the catching holes 12 of the support 10 under the 2 catching pieces 24 and 34, respectively. It is provided.

Further, in order to prevent the shelf supports 20 and 30 from being detached from the user's carelessness or external impact, the first locking pieces 23 and 33 protrude in a direction opposite to the first and second locking pieces ( It is formed with a release preventing piece (21, 31) protruding upwards.

That is, the separation preventing pieces 21 and 31 are positioned above the rear end first locking pieces 23 and 33 of the shelf supports 20 and 30 so as to have a protruding shape in a direction opposite to the first and second locking pieces. Formed.

The detachment preventing pieces 21 and 31 protrude upwardly so as to be engaged with the locking holes 12 of the support at the rear ends of the shelf plates 25 and 35 of the shelf supports 20 and 30. 32 '), the rotatable grooves 22 and 32 formed at the connection portions of the anti-separation protrusions 22' and 32 'and the rear ends of the shelf supports 20 and 30 and partially open in the upward direction, and the rotation. It is configured to include inclined surfaces (28, 38) extending from the grooves (22, 32) to the upper surface of the shelf plate (25, 35) and having a downward slope in the direction of the rotating grooves (22, 32) from the upper surface It is.

At this time, the rotary grooves 22 and 32 are formed in the release preventing protrusions 22 'and 32' to be positioned outside the rear ends of the shelf supports 20 and 30. That is, the rotary grooves 22 and 32 are formed at inner corner portions of the separation preventing protrusions 22 'and 32' protruding upward.

When the release preventing protrusions 22 'and 32' are inserted into the locking hole 12 of the support, one side is supported by the locking surface 14 of the support located above the locking hole 12, and the outer edge is supported. (28 ', 38') are chamfered. That is, the separation preventing protrusions 22 'and 32' have one end connected to the rear ends of the shelf plates 25 and 35 of the shelf supports 20 and 30, and one side thereof is in contact with the engaging surface 14 of the support. It has a 'L' shape.

In addition, the release preventing protrusions 22 'and 32' are inserted into the guide hole 121 when the locking hole 12 shape of the support is a 'T' shape having the guide hole 121 on the upper left and right sides. Insertion rods 221 'and 321' are formed on one side of the upper left and right sides, respectively, and the insertion rods 221 'and 321' contact the locking surface 14 when inserted into the support. When the insertion rods 221 'and 321' are further formed in the separation preventing protrusion, the separation preventing protrusion inserted into the 'T' shaped locking hole is separated by the insertion rod inserted into the prop through the guide hole. Prevention effect is increased.

The rotary grooves 22 and 32 are formed at inner corner portions of the release preventing protrusions 22 'and 32' protruding upward, and the upper one side thereof is open, and the open portion is a holding surface of the support ( 14 is formed to extend on one side surface and the inclined surfaces (28, 38) of the separation preventing projections (22 ', 32') in contact with.

The inclined surfaces 28 and 38 are interfering with the support 10 and the release preventing protrusions 22 'and 32' when the release preventing protrusions 22 'and 32' are inserted into the engaging holes 12, and In order to eliminate interference of the first and second locking pieces, the upper and lower edge portions of the shelf plates 25 and 35 of the shelf support are formed in a chamfered shape. That is, the inclined surfaces 28 and 38 are formed such that one end is connected to the upper surfaces 29 and 39 of the shelf support 20 and 30 and the other end is connected to the rotary groove portions 22 and 32. The upper surfaces 29 and 39 of the supports 20 and 30 are formed to have a downward slope in the rear end direction of the shelf supports 20 and 30.

That is, the separation preventing pieces 21 and 31 are assembled with the separation preventing protrusions 22 'and 32' protruding upward, the first locking pieces 23 and 33 and the second locking pieces 24 and 34. To maintain a certain height in order to prevent the interference phenomenon during the locking hole 12, and the circular rotary grooves (22, 32) formed in the release preventing projections (22 ', 32') to be rotated for easy assembly and And inclined surfaces 29 and 39 extending from the rotary grooves 22 and 32 and having a predetermined angle θ. At this time, the predetermined angle (θ) is formed by setting within the range of about 15 ° to 80 ° based on the rear end of the shelf plate so that interference with the struts does not occur when the separation prevention piece is inserted.

In addition, the length L of the locking hole 12 formed in the support 10 is the length of the first locking piece (23, 33) and the second locking piece (24, 34) formed on the shelf support (20, 30) (L1) is formed longer than the length (L1) of the first locking piece (23, 33) and the second locking piece (24, 34) within the range that does not interfere with the locking hole 12, the separation prevention piece ( The length L2 of the 21 and 31 is formed longer than the length L of the locking hole 12, and is prevented from leaving the locking hole 12 from an external shock.

The separation prevention pieces 21 and 31 configured as described above are provided with rotation grooves 22 and 32 at the inner edges of the separation prevention protrusions 22 'and 32' protruding upwards, and the outer edges of the separation prevention protrusions 22 and 32. (28 ', 38') is chamfered, the rotation grooves 22, 32 and the release preventing projections (22 ', 32) when inserted into the holding hole (12) of the release preventing pieces (21, 31) The inclination of the chamfered outer edges 28 'and 38' and the inclined surfaces 28 and 38 of the ') is excluded from the interference due to the length difference with the engaging hole 12.

In addition, after a plurality of posts (not shown) having a plurality of posts (not shown) arranged in two rows in the support column 10 are formed in two rows after maintaining a plurality of equally spaced intervals in the vertical direction. Not shown) may be used in accordance with the purpose of the user by combining the shelf support (20, 30) to the support (10) provided with a locking hole (12).

The shelf 40 has left and right bent portions that are bent in correspondence with the shelf release preventing bent portions 27 and 37 provided on the shelf support pieces 26 and 36 of the shelf supports 20 and 30 on the left and right sides thereof. 41 and 42, the shelf 40 shown is a plate, but may be of a mesh using a steel rod.

Looking at the assembly process and action of the prefabricated shelf for departure prevention according to an embodiment of the present invention configured as described above are as follows.

  2, 3, and 4 are cross-sectional views of the assembled prefabricated steel shelf to prevent wall mounting of the posts 10 having a plurality of rectangular engaging holes 12 having a predetermined length L in a straight line at equal intervals. After being formed integrally with the shelf support frame or with the support of the movable shelf, the one side having the inclined surface at a predetermined angle θ at the rear end of the shelf supports 20 and 30 in the plurality of engaging holes 12 is perpendicular to the one side surface. After inserting, the anti-separation protrusions 22 'and 32' of the anti-separation protrusions 21 and 31 rotated through the rotary grooves 22 and 23 and then protruded upwards, and then the anti-seizure prevention members 21 and 31. 1) the first locking pieces 23 and 33 protruding downwardly from the lower part of the separation prevention piece 21 and 31 by moving the shelf supports 20 and 30 upwardly to the center of the circular turning recesses 22 and 32; The second locking pieces 24 and 34 are moved and rotated so as to maintain a constant height that can be assembled without interference, and are inserted into a plurality of locking holes 12 formed at equal intervals. Is secured to the lower the release half-support (20, 30) below corresponding to the engaging hole 12 by the first locking groove (23 ', 33') and a second engaging groove (24 ', 34') is assembled.

The left and right shelf departure prevention bending formed by bending the shelf supports 20 and 30 assembled in this way so as to be horizontal to the left and right sides, respectively, is bent on the shelf support pieces 26 and 36 of the shelf supports 20 and 30. The left and right bent parts 41 and 42 of the parts 27 and 37 and the shelf 40 are assembled and installed correspondingly, and if necessary, the support 10 is continuously installed to the left and right sides of the shelf support. A large number may be constructed and installed according to a predetermined purpose of use.

FIG. 5 shows that the shelf supports 20 and 30 are separated from the detachment prevention pieces 21 and 31 when the assembled shelf supports 20 and 30 are impacted to the assembled shelf when the user is inadvertently or externally impacted or moved. It is sectional drawing which shows the function which prevents departure.

When the assembled shelf supports 20 and 30 are impacted upwards, the shelf supports 20 and 30 are moved upward by an impact, and the length L of the locking hole 12 provided in the support 10 is provided. The first catching pieces 23 and 33 and the second catching pieces 24 and 34 provided at the rear ends of the shelf supports 20 and 30 having the smaller length L1 are moved upwards at the same time and moved upwards. Effectiveness of the circular rotary grooves 22 and 32 located in front of the release preventing pieces 21 and 31 in order to prevent separation of the first catching pieces 23 and 33 and the second catching pieces 24 and 34. An inner locking surface 14 in the support 10 is provided with a release preventing protrusion 22 ', 32' upwardly projecting, having a length L2 which is moved upward by a diameter and formed longer than the length L of the locking hole. The ride is moved to the upper side at the same time to prevent departure.

The shelf supports 20 and 30 which are moved upward and are caught on the engaging surface 14 of the support 10 are again attached to their own rotational grooves 22 and 32 provided in the release preventing pieces 21 and 31. The first catching grooves 23 'and 33' of the first catching pieces 23 and 33 and the second catching pieces 24 and 34 protruded downward from the lower part of the separation preventing piece 21 and 31 by The second locking grooves 24 ′ and 34 ′ are seated in the locking holes 12 to perform the function of preventing departure.

6, 7 and 8 is a perspective view showing another embodiment of the present invention, in detail the prefabricated steel sheet consisting of a wall-mounted type 50 and the shelf frame body 60 and a movable assembly shelf 70, etc. For example, the wall-mounted type 50 or the shelf frame 60 is an example of preventing the detachment of the shelf due to user's carelessness, and is a removable prefabricated steel sheet. Is installed in the store or other shelves are installed, to prevent the departure of the shelf due to the impact when moving to ensure safety.

On the other hand, in the detailed description of the present invention has been described with respect to specific embodiments, for those skilled in the art that various modifications are possible without departing from the scope of the invention, such modifications are claimed It is within the scope of the description.

According to the prefabricated steel sheet having a separation prevention function according to the present invention as described above, the production is simple, easy to assemble and dismantle, the impact generated during the separation of the shelf support and movement of the prefabricated steel sheet due to the carelessness of the user after assembly It is an invention that is expected to be used greatly in the industry as a useful invention that secured safety by preventing the departure from.

Claims (5)

A first locking piece provided at the rear end of the support 10 having a plurality of locking holes for adjusting the height of the shelf at equal intervals, and the locking hole 12 having a straight line section perpendicular to the support 10. (23, 33) and the second engaging piece (24, 34) is assembled by engaging, the shelf support piece (26, 36) and the left and right shelf departure prevention bending portion (27, 37) formed bent thereon Shelf support (20,30) having a shelf and the left and right bent portion (41, 42) formed on the left and right shelf departure prevention bending portion (27,37) of the shelf support formed on the shelf (40) In the prefabricated steel sheet to be provided, At the rear end of the shelf support is provided with a separation prevention piece (21, 31) for preventing separation of the support and the shelf support, The separation preventing pieces (21, 31) is inserted into the locking hole 12 of the support and the separation prevention projections 22 ', 32' protruding upwardly formed at the rear end of the shelf support to be engaged, Rotating groove portion formed in the release preventing protrusions 22 'and 32' so as to be located at a connection portion between the release preventing protrusions 22 'and 32' and the rear ends of the shelf supports 20 and 30, and having a portion thereof open upward. 22,32), An inclined surface 28 extending from the rotary groove portions 22 and 32 to the upper surfaces 29 and 39 of the shelf supports 20 and 30 and having a downward slope from the upper surface toward the rotary groove portions 22 and 32; , 38) Prefabricated steel sheet for departure prevention, characterized in that configured to include. The method of claim 1, The separation prevention piece length (L2) is a prefabricated steel strip for preventing separation, characterized in that formed longer than the length (L) of the locking hole 12 of the support. The method of claim 1, The rotation recess groove is formed on the inner edge of the separation prevention projections, the outer edge of the separation prevention projections is characterized in that the prefabricated steel strip for prevention of separation. The method of claim 1, The inclined surface is separated prefabricated steel book characterized in that it has an angle of 15 ° to 80 ° based on the rear end of the shelf plate. The method of claim 1, Guide holes communicating with the engaging holes are further formed on the upper left and right sides of the engaging holes, and upper and lower sides of the separation preventing projections inserted into the engaging holes provided with the guide holes are inserted into the guide holes. Prefabricated steel stand for prevention of departure, characterized in that.

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