KR102282114B1 - Prefabricated steel rack with improved structure and locking structure - Google Patents

Abstract

The present invention relates to a prefabricated steel rack for displaying or storing various goods or articles up and down in multiple stages and, more particularly, to a prefabricated steel rack, in which four locking protrusions spaced up, down, left and right in a vertical column are repetitively formed in one group in the longitudinal direction of the vertical column, four coupling holes spaced up, down, left and right are formed at both side ends of a horizontal cross beam and separately provided locking members with rotary locking devices are fixedly coupled to both side ends of the horizontal cross beam, thereby enhancing productivity and assembling performance and making assembly and disassembly easy due to a boltless assembling method for all of the steel rack, providing user convenience such as safety and convenience during movement or transportation in an assembled state by preventing mutual pull out between the vertical column and the horizontal cross beam, maintaining an aesthetic appearance and simultaneously maintaining product quality intactly even during reassembling after dissembling because peel-off of a coating film does not occur with respect to the external surface of the vertical column in a mutual assembling process, and largely enhancing a firm and strong coupling force between the vertical column and the horizontal cross beam and also largely enhancing durability by preventing deformation of the horizontal cross beam due to a load applied to a shelf panel, thereby remarkably elongating service life with respect to a high quality rack.

Description

Prefabricated steel rack with improved structure and locking structure}

The present invention relates to a prefabricated steel rack for displaying or storing various goods or articles in upper and lower tiers, and more particularly, a cross-fitting coupling structure between vertical posts on all sides and horizontal cross bars connecting these vertical posts. It has excellent productivity, installation and transportability by preventing the horizontal crossbar from being arbitrarily separated from the vertical support, as well as to produce a more robust coupling state between the vertical support and the horizontal crossbar through a separately provided locking member. Of course, it is about a prefabricated steel rack that can continuously maintain stable durability and excellent high quality even during repeated disassembly and assembly.

In general, in offices, warehouses, homes, stores, etc., steel racks (or steel shelves) of various structures and shapes are used for the purpose of displaying or storing various products or articles.

Such a steel rack has a prefabricated frame structure by assembling a plurality of vertical posts and horizontal cross bars, and according to the assembly position of the horizontal cross bars, a plurality of shelf panels are placed inside the frame to divide the space into multi-stage up and down. It has the advantage of being able to display and store a large number of items or products in a minimum space.

That is, a typical steel rack constitutes one stage through the combination of four horizontal crossbars forming a set of vertical supports installed in all directions, and as another set of horizontal crossbars is combined with the vertical support, 2 A single to multi-level layer is constituted, and a shelf panel made of a flat plate is placed in these multi-layer horizontal crossbars to serve as a shelf.

In addition, the vertical post is a metal angle bent in a "b" shape on a plane, and assembly holes are formed at regular intervals along the up and down longitudinal directions, and in the case of the horizontal cross bar, a "b" shape on the side section It is a metal angle having a protruding locking hole that is fitted and bound to the vertical post assembly hole at both ends, so that the desired upper and lower heights and multi-stages can be achieved by assembling the horizontal cross bar at a desired position with respect to the vertical post assembly hole. A steel rack composed of

In the case of such a prefabricated steel rack or steel shelf, as in Utility Model Registration No. 20-0228609, the bow piece is integrally bent in all directions and protrudes to the center so that a space is formed therein, and a long coupling hole is drilled in the upper surface. An assembly sphere, a nut sphere of a quadrangular tetrahedron that is inserted so as to be able to flow at a predetermined interval in the space of the assembly sphere, a bolt hole is drilled in the center, and a thin head part and a threaded part is formed below it, the head part and the polygonal drilled into the thread part By means of a bolt having an upper head groove, the nut sphere is inserted into the assembly sphere, and the ribs of each assembly sphere are welded and fixed to the inner circumferential surface of the shelf groove. It is characterized in that it is fixedly coupled, so that when the shelf body is provided with a movable nut sphere in the assembly sphere, and a bolt having a polygonal head groove in the head portion is used, the fixed coupling operation with the vertical angle body is performed. As in the past, the operator does not perform the complicated work of temporarily coupling the bolt while holding the nut with his fingers as before, and the operator simply uses the bolt in the state where the rectangular nut ball does not rotate in the assembly hole. A prefabricated angle lathe coupling structure has been devised, which can be easily fixedly coupled with an air fastener after provisional coupling with the ball, thereby simplifying the coupling work process, as well as significantly increasing work productivity. has been registered

Then, as in Utility Model Registration No. 20-0335355, the problem of the structure of fastening the vertical member and the horizontal support plate with long hole-shaped fastening holes one by one on the iron assembly shelf as bolts and nuts was improved, so that the fastening protrusion and the approximately figure 8 shape were improved. By assembling the assembly shelf by means of a fastening hole, it is not only convenient, but also has the effect of reducing the number of assembly parts. In particular, it is a convenient effect that it is easy to bring by eliminating the hassle of having to fasten the bolts and nuts one by one when connecting the shelves. The inconvenience of having to mobilize work tools one by one during the fastening process is improved, and the inconvenience of having the head go into the lathe in order to visually observe the inside of the fastening is improved, so that it can be easily applied to the fastening holes on both sides of the two lathes. An assembling shelf has been devised and registered so that it can be easily fastened simply by inserting a design connector across it and fixing it.

In addition, in the case of a prefabricated shelf having a bolt assembly structure or fastening protrusion as described above, the assembly and installation work is very cumbersome, but the assembling bolt or fastening protrusion is exposed or protruded to the outside, resulting in poor appearance as well as clothes, etc. Since the inconvenience is very large, in order to improve this, not only can the manufacturing and assembly time be greatly reduced by a simple assembly structure such as Patent No. 10-1580274, but also non-skilled people can easily cut the products that need to be made to order according to the specifications. It is effective and prevents damage to displayed or stored products or goods by making the assembly with vertical angles strong by horizontal angles with different types of double assembly structures, while installing a support plate inside the angle A boltless prefabricated lathe, which is effective in facilitating the extension of the prefabricated lathe, has the effect of being easy to install because it is not subject to interference from members, and by allowing assembling a large number of the same horizontal angle through the connecting bracket that is assembled to the vertical angle. has been registered

However, the existing steel rack has a poor appearance because the locking hole at the end of the horizontal crossbar is inserted and fastened through the vertical support, and the locking hole is still exposed or protruded to the outer surface of the vertical support. Since it has a fastening structure in which both ends of the horizontal crossbar are forcedly coupled to the vertical support by striking the horizontal crossbar strongly with a hammer or a rubber mallet, etc., in order to increase and maintain the bonding and fixing force between the crossbars, in this assembly process, the There is a problem in that the paint film of the vertical post interferes with the hooking hole of the horizontal cross bar and peels off, so the appearance is damaged.

In particular, in order to change the fastening position of the horizontal crossbar as described above, if the horizontal crossbar is separated from the vertical supporter and fastened to a new position, the vertical supporter at the existing assembly position peels off the paint film, revealing the internal metal material as it is. This is very messy, and the peeling paint film is extremely unreasonable, such as messily attached to vertical crossbars or falling to the floor.

In addition, in the case of moving or transporting the steel rack in the assembled and installed state of the steel rack as described above, the horizontal crossbar is lifted. In this process, the horizontal crosspiece is a structure that is fastened by downward pressure, so the rise acting on the horizontal crossbar A case in which the horizontal crossbar is separated from the vertical support by the force in the direction occurs, and to prevent this, even when a plurality of workers move with the vertical support, if the steel rack is twisted, the horizontal support is separated In this case, it is almost impossible to move and transport the steel rack in an assembled state, so even when moving and transporting a short distance, it is inconvenient and cumbersome to have to disassemble and then reassemble the entire steel rack.

In addition, even in the assembled and installed state, even if an upward collision, shock, or unexpected vibration acts on the horizontal crosspiece, the horizontal crosspiece may be separated from the vertical support at any time, and the product or product is placed on the shelf panel. If the horizontal crossbar is separated from the vertical support in this state, there is also a risk of damage to goods and goods as the shelf panel falls down, and when shock and vibration occur, unnecessary noise is generated due to the mutual coupling gap between the vertical support and the horizontal crossbar. Structural defects are continuously being raised.

Republic of Korea Registered Utility Model 20-0228609 (Registered on Jan. 13, 2001) Republic of Korea Registered Utility Model 20-0335355 (Registered on Jan. 27, 2003) Republic of Korea Patent 10-1580274 (Registered on Dec. 18, 2016)

The present invention is an improvement of the above-described problems, and is formed repeatedly in the longitudinal direction of the vertical strut by forming a set of four hanging protrusions spaced up and down, left and right to the inside of the vertical strut, and at both ends of the horizontal crossbar, up and down, Four fastening holes spaced apart from each other are formed, respectively, and a separately provided locking member having a rotation lock is coupled and fixed to both inner ends of the horizontal crossbar.

This is to ensure that a strong mutual fastening force between the vertical support and the horizontal crossbar is maintained, as well as to prevent the horizontal crossbars on both sides from being arbitrarily separated from the vertical support by the locking member. It is an object of the present invention to provide a prefabricated steel rack having a structure improvement and locking structure that can continuously maintain a high-quality assembled state with excellent long-term durability as well as a beautiful appearance by preventing damage.

The present invention for achieving the object as described above, the inner surface of the vertical post bent in the shape of "a" on a plane installed in an upright direction, respectively, up and down, left and right, four interlocking protrusions spaced apart from each other along the longitudinal direction of the vertical post It is formed repeatedly, and four fastening holes spaced apart from top and bottom, left and right are respectively formed at both ends of the horizontal crossbar connecting the vertical support in the transverse direction, and a locking member provided separately is coupled and fixed to both ends of the inner side of the horizontal crosspiece. but,

"자 형태로 구성되고, 상기 수평가로대의 체결공은 상기 걸림돌기의 단면 두께와 일치하는 내폭으로 구성되며, 상기 수평가로대의 체결공 하측으로는 상기 걸림돌기가 삽입되는 끼움공이 편향 확장 형성되고, 상기 록킹부재의 하부에는 직각방향으로 잠금돌기가 돌출 형성되어 상기 잠금돌기가 수직지주대에 직각으로 결합된 양측 수평가로대의 끼움공 내측으로 동시에 삽입되도록 구성함에 따라 상기 수직지주대에 결합된 양측 수평가로대의 임의 분리가 방지되도록 구성하여 이루어지는 것이다.Among the stumbling blocks of the vertical strut, the protrusions positioned to the left and right have a planar shape whose ends are bent outwardly in opposite directions.

"It is configured in the shape of a ruler, and the fastening hole of the horizontal crosspiece has an inner width that matches the cross-sectional thickness of the locking protrusion, and the fitting hole into which the locking protrusion is inserted is deflected and expanded below the fastening hole of the horizontal crosspiece. The locking projections are formed to protrude in a right angle direction on the lower part of the locking member, so that the locking projections are simultaneously inserted into the fitting holes of both horizontal crossbars coupled at right angles to the vertical supporters, so that both sides of the horizontal crossbars coupled to the vertical supporters It is configured to prevent arbitrary separation of

According to the present invention, productivity, assembling, installation and disassembly are easy due to the boltless assembly method of the entire steel rack, and mutual separation between the vertical post and the horizontal cross bar is prevented, so that it is safe and convenient when moving or transporting in an assembled state. It is to provide convenience of use, such as, and since peeling of the coating film on the outer surface of the vertical strut does not occur during the mutual assembly process, it is possible to maintain a beautiful appearance and at the same time maintain the quality of the product even when reassembled after disassembly. The robust and strong fastening force between the stand and the horizontal crossbar, as well as the load acting on the shelf panel, prevents the horizontal crossbar from being deformed, thereby greatly improving durability, so that the service life of a high-quality rack can be significantly extended.

1 is an overall exemplary view of a steel rack assembled according to the present invention;
2 is an enlarged exploded perspective view of the inside of the assembly part of the steel rack according to the present invention;
3 is an enlarged exploded perspective view of the outside of the assembly part of the steel rack according to the present invention;
Figure 4 is an overall perspective view of the locking member of the steel rack according to the present invention
5 is an exploded perspective view of the locking member of the steel rack according to the present invention;
Figure 6 is an assembling process diagram of the steel rack according to the present invention, an assembly start view between the vertical post and the horizontal cross bar
7 is a view of the assembly process of the steel rack according to the present invention, a state diagram of the fastening between the vertical post and the horizontal cross bar;
Figure 8 is an assembly process diagram of the steel rack according to the present invention, the assembly start view of the locking member for the horizontal crossbar;
9 is a diagram illustrating the assembly process of a steel rack according to the present invention, and is a state diagram of the locking member to the horizontal crossbar;
10 is an enlarged perspective view of the outside showing the assembled state according to FIG.
11 is a planar cross-sectional enlarged view showing the assembled state according to FIG.
12 is a perspective view showing a locking state of a horizontal crossbar using a locking member as an assembly process of a steel rack according to the present invention;
13 is an enlarged perspective view of the outside showing the locked state according to FIG.
14 is a planar cross-sectional enlarged view showing the locked state according to FIG.
15 is an assembled state diagram of the steel rack according to the present invention, a perspective view of a state in which the locking between the vertical post and the horizontal cross bar and the locking member is completed;

Additional objects, features and advantages of the present invention may be more clearly understood from the following detailed description and accompanying drawings.

Prior to the detailed description of the present invention, the present invention can make various changes and can have various embodiments, and the examples described below and shown in the drawings are not intended to limit the present invention to specific embodiments. No, it should be understood to include all modifications, equivalents, and substitutes included in the spirit and scope of the present invention.

In addition, when it is said that a certain element is "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in between. It should be understood that there is On the other hand, when it is said that a certain element is "directly connected" or "directly connected" to another element, it should be understood that no other element is present in the middle.

Next, the terms used herein are used only to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In this specification, terms such as "comprises" or "have" are intended to designate that the features, numbers, steps, operations, components, parts, or combinations thereof described in the specification exist, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

In addition, terms such as "...unit", "...unit", "...module", etc. described in the specification mean a unit that processes at least one function or operation, which includes hardware or software or hardware and It can be implemented by a combination of software.

In addition, in the description with reference to the accompanying drawings, the same components are given the same reference numerals regardless of the reference numerals, and the overlapping description thereof will be omitted. In describing the present invention, if it is determined that a detailed description of a related known technology may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is an overall exemplary view of a steel rack assembled according to the present invention, FIG. 2 is an enlarged exploded perspective view of an assembling part of the steel rack according to the present invention, and FIG. 3 is an assembling part of the steel rack according to the present invention. 4 is an overall perspective view of the locking member of the steel rack according to the present invention, and FIG. 5 is an exploded perspective view of the locking member of the steel rack according to the present invention.

As shown in the figure, the steel rack according to the present invention is a horizontal crossbar connecting the vertical posts 100 and 100' installed in an upright direction as in the prior art and these vertical posts 100 and 100' in the transverse direction. It consists of (200) (200'), and by installing multi-stage horizontal crossbars (200, 200') spaced up and down in the vertical direction of the vertical posts 100 and 100' in the vertical direction, the multi-stage The steel rack is completed, and by placing a separately provided shelf panel inside the horizontal crossbars 200, 200', various articles or products can be stored or displayed.

"자 형태로 구성된 것이다.Accordingly, in the present invention, four locking protrusions 101, 101' spaced apart up and down, left and right, respectively, on the inner surface of the vertical support stand 100 (100') bent in the shape of "a" on a plane form a set of the vertical It is configured to be repeatedly formed along the longitudinal direction of the posts 100 and 100 ′, and is positioned to the left and right among the locking protrusions 101 and 101 ′ of the vertical posts 100 and 100 ′. (101) (101') is a flat surface in which the ends are bent outward in opposite directions "

“It is in the shape of a letter.

In addition, the vertical supports 100 and 100 ′ as described above can be assembled with a steel rack having a desired height by cutting and using those that are continuous in the vertical direction in the vertical direction.

Then, at both ends of the horizontal crossbars 200 and 200' connecting the vertical posts 100 and 100' in the transverse direction, four fastening holes 210 and 210' spaced apart from each other are formed, respectively. As such, the fastening holes 210 and 210' of the horizontal crossbars 200 and 200' are composed of an inner width that matches the cross-sectional thickness of the locking projections 101 and 101', and the horizontal crosspiece ( Under the fastening holes 210 and 210' of 200 and 200', fitting holes 211 and 211' having a size sufficient to insert the locking protrusions 101 and 101' are formed in the fastening holes. 210 and 210' from one side deflection expansion is formed.

In addition, the horizontal crossbars 200 and 200' are manufactured in various lengths, and as the vertical posts 100 and 100' are connected and configured, the width or depth of the steel rack can be manufactured and assembled in more various forms. There will be.

In particular, on the upper side of the horizontal crossbars 200 and 200 ′ as described above, the horizontal reinforcement part 201 bent in the inner transverse direction along the longitudinal direction and the vertical reinforcement part 202 bent downward from the horizontal reinforcement part 201 . And a panel support portion 203 bent inward in the transverse direction from the vertical reinforcement portion 202 is formed, and the horizontal reinforcement portion 201 is formed by forming fastening slots 201a of vertical penetration at both ends of the horizontal reinforcement portion 201 .

The bending width of the horizontal reinforcement part 201 should be such that the upper portion of the locking member 300 to be described later is inserted upwardly from the lower side of the horizontal reinforcement part 201, and the vertical reinforcement part 202. The upper and lower heights of the clothes should be configured to have a length corresponding to the thickness of the shelf panel made of wood, etc., and the width of the panel support part 203 is the horizontal crossbar 200 ( 200 ') by the panel support portion 203 formed in the should be configured to be able to stably support a high-weight article or article.

In addition, the fastening slot 201a is for coupling the front end of the locking member 300 to be described later, and the locking member 300 by the fastening slot 201a is the horizontal crossbar 200, 200'. It will be able to be accurately fastened to the position, of course, it will be able to prevent any disengagement.

Next, a locking member 300 provided separately is coupled and fixed to both inner ends of the horizontal crossbars 200 and 200 ′, and locking projections 311 and 311 ′ are formed on one side of the locking member 300 . The locking projections 311 and 311' are formed to protrude and are inserted into the fitting holes 211 and 211' of the horizontal crossbars 200 and 200' coupled to the vertical posts 100 and 100'. Accordingly, it is configured to prevent arbitrary separation of the horizontal crossbars 200 and 200' coupled to the vertical posts 100 and 100'.

In particular, on the upper side of the locking member 300 as described above, a fastening engaging piece 302 that is inserted upwardly from the inside of the horizontal reinforcing part 201 and elastically locked in the fastening slot 201a is formed to protrude, and the locking member 300 ) on one side of the locking projections 311 and 311 ' in the direction perpendicular to the plane is formed to be coupled to the rotation locking hole 310, one side of the locking member 300, the shaft insertion grooves spaced up and down ( 303) (303') are formed, and at the upper and lower ends of the rotation locking part 310, the rotation shaft parts 312 and 312' which are inserted and locked by the shaft insertion grooves 303 and 303' are formed to protrude. , the rotation lock 310 shaft-coupled to the locking member 300 is rotated with an axial center line in a vertical direction from the locking member 300, and the locking projections 311 and 311' of the rotation lock member 310 are rotated. ) is configured to be simultaneously inserted into the fitting holes 211 and 211 ′ of the horizontal crossbars 200 and 200 ′ arranged in a direction perpendicular to the plane.

In addition, a locking protrusion 301 is protruded from the outer surface of the locking member 300 as described above, and the locking protrusion 301 is formed between the fastening holes 210 and 210' of the horizontal crossbars 200 and 200'. ) and the corresponding locking hole 212 is formed through, and in the process of fastening the locking member 300 to the horizontal crosspiece 200, 200', the locking projection 312 of the locking member 300 is connected to the horizontal crosspiece ( By configuring to be inserted into the locking holes 212 of 200 and 200 ', the locking member as described above while allowing the adhesion and fixing force between the horizontal crossbars 200 and 200' and the locking member 300 to be increased. 300), shaking or noise caused by unnecessary flow can be prevented.

Next, the upper side of the locking member 300 as described above is a bending groove 204 created in the form of a downward opening by the horizontal reinforcement 201 and the vertical reinforcement 202 of the horizontal crossbars 200 and 200'. According to the configuration with the same thickness as the inner width, the shelf panel is placed on the panel support part 203 inside the horizontal crossbars 200, 200', and the weight of the shelf panel itself and various articles mounted on the shelf panel. Since the upper side of the locking member 300 is tightly inserted in the bending groove 204 even if the weight of the back acts on the panel supporting part 203, the vertical reinforcement part ( Deformation of the horizontal reinforcement part 201 and the panel support part 203, which may occur while bending and deforming the 202, can suppress downward bending or deformation even by a high weight due to the upper interference of the locking member 300. In addition to better stability and robustness, it is possible to maintain strong support and bearing power even when loading heavy objects for a long period of time.

In addition, on both sides of the locking member 300 as described above, the support piece parts 304 and 304' at positions that do not interfere with the locking protrusions 111 and 111' of the vertical supports 100 and 100' are turned outward. By protruding formation, the adhesion support force between the horizontal crossbars 200, 200' and the locking member 300 is increased by the support piece parts 304 and 304' that are in close contact with the inner surfaces of the horizontal crossbars 200, 200'. It is configured to be such that, as the support piece parts 304, 304' and the shaft insertion grooves 303 and 303' are connected through reinforcing ribs, the rotation lock 310 has a more stable support structure. A strong bond can be formed.

In particular, the locking member 300 and the horizontal crossbar (300) are formed by protruding and forming a support step 305 such that the lower ends of the horizontal crossbars 200 and 200' are intercepted on one side of the lower end of the locking member 300 as described above. The coupling fixing force of 200 and 200 ′ can be increased, and by protruding the holding part 313 on one side of the rotation lock 310 as described above, the rotation lock 310 can be rotated more conveniently. At the same time, the locking projections 311 and 311 ′ protruding from the rotation lock 310 can be more conveniently inserted into the fitting holes 211 and 211 ′ of the horizontal crossbars 200 and 200 ′. will be.

The assembly process and operation of the steel rack of the present invention having such a configuration will be described sequentially in more detail with reference to the drawings.

First, a process of assembling the horizontal crossbars 200 and 200' is performed in consideration of the desired height of the shelf with respect to the locking projections 101 and 101' formed on the vertical posts 100 and 100', as shown in FIG. 6 Fitting holes 211, 211' formed at one end of the horizontal crossbars 200, 200' with the locking protrusions 101 and 101' at the selected positions of the vertical posts 100, 100' as shown in Fig. will be inserted into

Next, in a state in which the locking projections 101 and 101' protrude to the inside of the horizontal crossbars 200 and 200' through the fitting holes 211 and 211', the horizontal crossbars 200 and 200' ) is pressed in the downward direction, the locking projections 101 and 101' are tightly inserted into the fastening holes 210 and 210' on the upper side of the fitting holes 211 and 211', and the mutual interference force is reduced. As shown in FIG. 7 , the first temporary fixing state between the vertical posts 100 and 100 ′ and the horizontal cross bars 200 and 200 ′ is achieved.

In addition, in a state in which both horizontal crossbars 200 and 200' are coupled to the vertical posts 100 and 100' of a single entity as described above in a perpendicular direction on a plane, the vertical posts 100, 100 ') The locking member 300 described above by inserting and fixing a separately provided locking member 300 on the inside of one side of the horizontal crossbar 200, 200' among the mutual fastening parts between the and the horizontal crossbar 200, 200'. is inserted upwardly from the inner surface of one side of the horizontal crossbar 200, 200 ′ as shown in FIG. 8 , the fastening engaging piece 302 protruding from the tip of the locking member 300 is the horizontal crosspiece 200, 200 ') to be elastically inserted and locked in the fastening slot 201a formed in the horizontal reinforcement 201.

Accordingly, the upper portion of the locking member 300 as described above is inserted into the inner bending groove portion 204 of the one side horizontal crossbar 200, 200' as shown in FIGS. 9 to 11, and the locking member 300 ) The fastening locking piece 302 of the front end penetrates the fastening slot 201a and protrudes on the horizontal reinforcing part 201 to maintain the interlocking and fixed state.

In addition, the locking projection 301 of the locking member 300 as described above is inserted into the locking hole 212 formed in the horizontal crossbars 200 and 200', and the support step 305 at the bottom of the locking member 300. ) maintains the interlocking state at the lower end of the one side horizontal crossbar 200, 200', so that in the end, the locking member 300 is firmly attached to the one side horizontal crosspiece 200, 200' to maintain a solid close fixation state. be able to

In this state, as shown in FIGS. 12 to 14, when the rotation lock 310 of the locking member 300 is rotated in the transverse direction along the vertical central axis by the rotation shaft parts 312 and 312', While the locking projections 311 and 311' protruded in a direction perpendicular to the plane with respect to the rotation lock 310 having a rectangular shape on a plane rotate, each of the locking projections 311 and 311' rotates on a plane. It can be inserted into the fitting holes 211, 211' of the horizontal crossbars 200 and 200' arranged and coupled at a right angle.

At this time, as the outer surface of the rotation lock 310 is formed as a curved portion in which the central portion is protruded outward, the outer surface of the rotation lock 310 presses the inner surface of the horizontal crossbars 200 and 200 ′ while simultaneously pressing the locking projection ( 311 and 311' are configured to be inserted into the fitting holes 211 and 211', so that the adhesion and fixing force between the vertical posts 100 and 100' and the horizontal crossbars 200 and 200' is further improved. It can also be configured, and the locking projections 311 and 311' are configured to be inserted into the fitting holes 211 and 211' in a tight force fit, so that the rotation locking mechanism 310 is unnecessary. It will be possible to prevent rotation and prevent noise caused by shaking.

Accordingly, after fixing the horizontal crossbars 200 and 200' on both sides of the inside of the vertical supports 100, 100' as described above in advance, the locking member 300 coupled to one side of the horizontal crossbars 200, 200'. ), both horizontal crossbars 200 and 200' can produce a state of close contact and mutual locking with respect to the vertical supports 100 and 100' at the same time, and as shown in FIG. 15, the vertical supporters ( It is possible to easily assemble the horizontal crossbars 200 and 200' in the desired upper and lower widths and steps by using the locking projections 101 and 101' located at a desired height with respect to 100) and 100', and one side horizontal crossbar ( 200) Using the locking member 300 coupled to the 200', both horizontal crossbars 200 and 200' coupled to a single object are simultaneously secured in a locked state, and a prefabricated steel rack of a rigid structure can be completed. there will be

Therefore, even when holding and lifting the horizontal crossbars 200 and 200', the locking projections 311 of the locking member 300 in the fitting holes 211 and 211' of the horizontal crossbars 200, 200' (311) ( 311') is inserted, so there is no free space for the locking protrusions 101 and 101' of the vertical posts 100, 100' to descend, so the horizontal crossbars 200 and 200' are It is possible to maintain a state firmly coupled to the vertical support (100, 100').

In addition, the coupling of the horizontal crossbars 200 and 200' to the vertical posts 100 and 100' and the locking member 300 to the horizontal crossbars 200 and 200' are all bolt-free. It is made of a one-touch assembly method by means of a one-touch assembly method, so the assembly is very good, and since the entire locking projections 101 and 101' of the vertical supports 100, 100' are bent inward, the vertical supports 100, 100' ) has a smooth surface, so there will be no problems such as being damaged by hanging clothes, injury, or overturning of the steel rack.

In particular, when it is desired to separate the horizontal crossbars 200 and 200 ′ from the vertical posts 100 and 100 ′ as described above, the rotation locking part 310 of the locking member 300 is rotated in the reverse direction. As the locking projections 311 and 311' are separated from the fitting holes 211 and 211' of the horizontal reinforcement part 201 and the inside of the fitting holes 211 and 211' are opened, the vertical support stand 100 (100') Since a space is secured in which the locking protrusions 101 and 101' can flow inside the fitting holes 211 and 211', the horizontal crossbar in a state in which the rotation lock 310 is reversely rotated. When the (200) (200') is lifted upward, it is not only quickly and easily separated from the vertical supports (100) (100'), but also the coating film on the outer surfaces of the vertical supports (100) (100') is peeled off or in the process of mutual coupling. Since there is no scratch, it is possible to maintain a beautiful appearance and high quality for a long time.

In addition, since the horizontal crossbars 200 and 200' are coupled in a firm engagement and lock state with respect to the vertical posts 100 and 100', unnecessary noise is not generated even when an impact or vibration is applied, and more robust durability It is more efficient because the load-bearing capacity of the shelf panel as well as the load-bearing capacity is greatly improved.

The configuration shown in the embodiments and drawings described in the present specification as described above is merely the most preferred embodiment of the present invention and does not represent all of the technical spirit of the present invention, so various equivalents and modifications that can be substituted for them It should be understood that there may be examples.

100,100' : Vertical strut 101,101' : stumbling block
200,200': horizontal crossbar 201: horizontal reinforcement
202: vertical reinforcement part 203: panel support part
204: bending groove
210,210': fastening hole 211,211': fitting hole
212: Gyejigong
300: locking member 301: locking projection
302: fastening engaging piece 303,303': shaft insertion groove
304, 304': support piece 305: support step
310: rotation lock 311,311': lock projection
312,312': rotating shaft part 313: gripping part

Claims (7)

On the inner surface of the vertical strut 100 (100 ') bent in the shape of "a" on a plane installed in an upright position, there are four hanging protrusions 101 and 101 ' spaced apart from the top and bottom, left and right, respectively, to form a set of vertical poles. It is formed repeatedly along the longitudinal direction of the stands 100 and 100', and at both ends of the horizontal crossbars 200 and 200' that connect the vertical posts 100 and 100' in the transverse direction, up and down, left and right The spaced apart four fastening holes 210 and 210' are formed, respectively, and a locking member 300 provided separately is coupled and fixed inside the horizontal crossbars 200 and 200'.
The locking protrusions 101 and 101' located to the left and right among the locking protrusions 101 and 101' of the vertical supports 100 and 100' have ends bent outward in opposite directions on a flat surface"

Consists of a "shape, and the fastening holes 210 and 210' of the horizontal crossbars 200 and 200' have an inner width that matches the cross-sectional thickness of the locking protrusions 101 and 101', and the Below the fastening holes 210 and 210' of the horizontal crossbars 200, 200', the fitting holes 211 and 211' into which the locking protrusions 101 and 101' are inserted are deflected and expanded. Locking projections 311 and 311' are formed to protrude from the lower portion of the locking member 300 in a perpendicular direction so that the locking projections 311 and 311' are perpendicular to the vertical supports 100 and 100' in plan view. Both horizontal crossbars 200 coupled to the vertical posts 100 and 100' as they are configured to be simultaneously inserted into the fitting holes 211 and 211' of the both sides of the horizontal crossbars 200 and 200' coupled to ) (200') prefabricated steel rack with improved structure and locking structure, characterized in that it is configured to prevent arbitrary separation.
The method of claim 1,
A locking protrusion 301 is protruded from the outer surface of the locking member 300, and between the fastening holes 210 and 210' of the horizontal crossbars 200, 200', the locking protrusion 301 and corresponding locking holes are formed. In the process of fastening the locking member 300 to the horizontal crossbars 200 and 200', the locking projection 312 of the locking member 300 is formed through the 212, and the horizontal crossbars 200, 200'). Prefabricated steel rack with improved structure and locking structure, characterized in that it is configured to be inserted into the locking hole 212 of the.
The method of claim 1,
The upper side of the locking member 300 has the same thickness as the inner width of the bending groove 204 created in the form of a downward opening by the horizontal reinforcement 201 and the vertical reinforcement 202 of the horizontal crossbars 200 and 200'. A prefabricated steel rack of structural improvement and locking structure, characterized in that it has and is configured.
The method of claim 1,
On the upper side of the horizontal crossbars 200 and 200 ′, a horizontal reinforcement part 201 bent in the inner transverse direction along the longitudinal direction, a vertical reinforcement part 202 and a vertical reinforcement part bent downward from the horizontal reinforcement part 201 . A panel support portion 203 bent inward in the transverse direction from the 202 is formed, and a vertical penetration fastening slot 201a is formed at both ends of the horizontal reinforcement portion 201, and the locking member 300 ) is inserted upwardly from the inside of the horizontal reinforcement part 201 and elastically held in the fastening slot 201a is protrudingly formed, and one side of the locking member 300 is perpendicular to the plane. The locking projections 311 and 311 ′ are formed with a locking mechanism 310 coupled thereto,
On one side of the locking member 300, the shaft insertion grooves 303 and 303' spaced apart from each other are formed, and the shaft insertion grooves 303 and 303' are formed on the upper and lower ends of the rotation locking member 310. ), the rotation shaft portions 312 and 312 ′ that are inserted and locked are formed to protrude, and the rotation lock 310 has an axial center line in the vertical direction from the locking member 300 while being rotated. Structural improvement, characterized in that the locking protrusions 311 and 311' are simultaneously inserted into the fitting holes 211 and 211' of the horizontal crossbars 200 and 200' arranged in a direction perpendicular to the plane. Prefabricated steel rack with locking structure.
5. The method of claim 4,
On both sides of the locking member 300, support pieces 304 and 304' at positions that do not interfere with the locking projections 111 and 111' of the vertical supports 100 and 100' are formed to protrude outward. It is characterized in that the close support force between the horizontal crossbars 200, 200' and the locking member 300 is increased by the support piece parts 304 and 304' that are in close contact with the inner surfaces of the horizontal crossbars 200 and 200'. Prefabricated steel rack with improved structure and locking structure.
5. The method of claim 4,
A prefabricated steel rack of improved structure and locking structure, characterized in that the lower end of the locking member 300 is formed by protruding a support step 305 such that the lower ends of the horizontal crossbars 200, 200' are intercepted.
5. The method of claim 4,
A prefabricated steel rack with improved structure and locking structure, characterized in that it is configured by protruding a holding part 313 on one side of the rotation lock 310.

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