KR102124775B1 - Non-welding truss - Google Patents

Abstract

The present invention relates to a prefabricated non-welding truss. According to the present invention, the prefabricated non-welding truss includes: a plurality of vertical supporters placed at a preset distance from each other and having a vertical groove formed on the outer surface in a longitudinal direction; a plurality of horizontal supporters placed between the plurality of vertical supporters, having a horizontal groove formed on the outer surface in a longitudinal direction, and selectively adjusted in height; and a connection member connecting the vertical supporters and the horizontal supporters and fixing the horizontal supporters to a height set by a user. Fixing protrusions can protrude from the inner surface of the vertical and horizontal grooves. According to the present invention, since the head of a bolt is slid or fixed in a groove of a supporter, there is no need to bore a hole on the supporter separately. Thus, a work period can be shortened and the durability of the supporter can be preserved. According to the present invention, since a fixing protrusion is prepared in a groove of a supporter and a concave groove and a protrusion are prepared on the head of a bolt, even if a nut is fastened with the body of the bolt and tightened from the outside, the rotation of the bolt can be prevented, which can result in an increase in a fixing force.

Description

Prefab Welding Truss{NON-WELDING TRUSS}

The present invention relates to a truss, and more particularly, to a prefabricated non-welding truss capable of forming a structure without welding.

In general, after building a building, the exterior wall of the building is finished with various types of panels or stones or with wallpaper.

To finish the wall or ceiling with a designated stone (including panels), fix the gypsum board to the wall, and then perform a truss work that connects beams, pipes, or beams by welding to form a grid in the horizontal and vertical directions. After performing, the beam or section steel is fixed at regular intervals using an anchor bolt to the wall, and then the gypsum board is closed in front or in front of the beam in the form of a lattice to a thickness of 100 to 200T, and then to the front of the insulation. The interior is performed by pasting wallpaper or using various finishing materials.

However, as large-scale fires due to on-site welding work have recently increased, massive damage has been caused due to large-scale physical or human damage as well as air delay. Accordingly, a method for minimizing spot welding has been devised, and the need for a welding truss is increasing.

Patent Publication No. 10-2015-0072142 (published on June 29, 2015, hereinafter referred to as Patent Document 1) discloses a constructionless welded truss structure having improved inner and excitation performance.

Patent document 1 is a technique for fixing the vertical member and the horizontal member with a fixing bracket to reduce the risk of fire because welding is not used.

However, Patent Document 1 had to perforate the vertical member and the horizontal member to fix the vertical member and the horizontal member with a fixing bracket, thereby causing a problem that the durability of the vertical member and the horizontal member is weakened.

In addition, there is a problem in that the work air is prolonged due to the drilling work at each corresponding position, and thus the work cannot be completed quickly.

KR 10-2015-0072142 A

The present invention is to solve the conventional problems as described above, the object of the present invention is to form a groove in the support, by inserting a bolt head in the groove by sliding or fixing, the prefabricated welding without the need for drilling in the support It is to provide the truss.

Another object of the present invention is to provide a prefabricated welded truss that is very easy to assemble without taking up a large portion of the connecting portion by using a simple structured connecting member.

Still another object of the present invention is to place the bolt head at the position of the groove of the support according to the user's choice, and to prevent the rotation of the bolt even when the nut is coupled to the bolt body from the outside to prevent the rotation of the bolt, a prefab assembly that can improve the fixing force It is to provide a welding truss.

Another object of the present invention is to provide a prefabricated weldless truss that can reduce labor costs and shorten air by minimizing on-site work time by putting it in the field in a partially assembled form at a factory.

In order to achieve the object of the present invention as described above, the prefabricated welded truss according to an embodiment of the present invention, vertical grooves are formed along the longitudinal direction on the outer surface and a plurality of vertical spaced apart vertical support; A horizontal groove is formed along the longitudinal direction on the outer surface, a plurality of pieces are disposed between the plurality of vertical supports, and the horizontal supports are selectively adjusted in height; And a connecting member connecting the vertical support and the horizontal support and fixing the horizontal support to a height set by a user. The vertical groove and the horizontal groove may have a fixed protrusion protruding from an inner surface.

In the prefabricated non-welding truss according to an embodiment of the present invention, the connecting member, a long hole is formed along the longitudinal direction of the vertical support or the horizontal support, and is bent with the letter'b' to support the vertical support or the horizontal support And contact pieces in contact with each other; A bolt inserted into the vertical groove or the horizontal groove and protruding through the long hole of the contact piece; And a nut screwed to the bolt.

In the prefabricated non-welding truss according to an embodiment of the present invention, the contact piece has a width corresponding to the width of the horizontal groove or the vertical groove, and is formed along the longitudinal direction of the long hole, and the horizontal groove or the vertical It may be further included in the guide projection is inserted into the groove to guide the position of the connecting member.

In the prefabricated weldless truss according to an embodiment of the present invention, the bolt includes a bolt head and a bolt body, and the bolt head tapers from the one end of the elliptical shape toward the other end connecting with the bolt body, The tapered outer surface may include a concave groove into which the fixing protrusion is inserted.

In the prefabricated non-welding truss according to an embodiment of the present invention, the concave groove may include a stepped step in which the fixing protrusion is applied when the bolt is rotated so that the bolt can be rotated only a predetermined amount.

In the prefabricated non-welding truss according to an embodiment of the present invention, the length of the long axis of one end of the oval of the bolt head is greater than the width exposed on the outer surface of the longitudinal groove or the transverse groove, and one end of the oval of the bolt head The length of the minor axis may be smaller than the width exposed on the outer surface of the vertical groove or the horizontal groove.

In the prefabricated non-welding truss according to an embodiment of the present invention, the fixing protrusions may have a predetermined length along the longitudinal direction of the longitudinal grooves or transverse grooves, and a plurality of spaced apart spaces may be arranged at predetermined intervals.

In the prefabricated non-welding truss according to an embodiment of the present invention, when the vertical support and the horizontal support are cut according to the user's selection, the cover may include a cover of the PVC material disposed in the cut portion.

In the present invention, since the bolt head is sliding or fixed in the groove of the support, there is no need to drill a separate hole in the support, the working air is reduced and durability of the support can also be preserved.

According to the present invention, by providing a fixing protrusion in the groove of the support and providing a concave groove and a step in the bolt head, rotation of the bolt is prevented even if the nut is externally coupled to the bolt body to tighten, thereby improving the fixing force.

1 is a perspective view of a prefabricated weldless truss according to an embodiment of the present invention.
Figure 2 (a) is an exploded perspective view showing the combination of the vertical support and the horizontal support of the prefabricated welded truss according to an embodiment of the present invention.
FIG. 2(b) is a partial excerpt of FIG. 1 showing a combination of a vertical support and a horizontal support of a prefabricated weldingless truss according to an embodiment of the present invention.
3(a) is a view of the vertical support of FIG. 2(a) viewed in the direction A.
FIG. 3(b) is a view of the vertical support of FIG. 2(a) viewed in the direction B.
Figure 3 (c) is a view showing a state in which the bolt is coupled to the concave groove of Figure 3 (b).
Figure 4 (a) is a perspective view of a connecting member of the prefabricated welded truss according to an embodiment of the present invention.
Figure 4 (b) is a perspective view showing the back and rear of the connecting member of Figure 4 (a).
FIG. 5(a) is a view viewed in the direction C in FIG. 2(b).
5(b) is a view showing the connecting member in FIG. 2(b).
5(c) is a view of the connecting member of FIG. 5(b) viewed from a different angle.
6A and 6B are views of the bolts viewed from different angles.
6(c) is a plan view of the bolts of FIGS. 6(a) and 6(b).

Hereinafter, some embodiments of the present invention will be described in detail through exemplary drawings. It should be noted that in adding reference numerals to the components of each drawing, the same components have the same reference numerals as possible even though they are displayed on different drawings. In addition, in describing the embodiments of the present invention, when it is determined that detailed descriptions of related well-known configurations or functions interfere with the understanding of the embodiments of the present invention, detailed descriptions thereof will be omitted.

In addition, in describing the components of the embodiments of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the component from other components, and the nature, order, or order of the component is not limited by the term. When a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected to or connected to the other component, but another component between each component It should be understood that may be “connected”, “coupled” or “connected”.

Hereinafter, a prefabricated weldless truss according to an embodiment of the present invention will be described with reference to the accompanying drawings.

Figure 1 is a perspective view of a prefabricated welded truss according to an embodiment of the present invention, Figure 2 (a) is an exploded perspective view showing the combination of the vertical and horizontal support of the prefabricated welded truss according to an embodiment of the present invention Is, Figure 2 (b) shows a combination of the vertical support and the horizontal support of the prefabricated welded truss according to an embodiment of the present invention is a partial excerpt of Figure 1, Figure 3 (a) of Figure 2 FIG. 3(b) is a view of the vertical support of (a) in the A direction, FIG. 3(b) is a view of the vertical support of FIG. 2(a) in the B direction, and FIG. ) Is a view showing a bolt coupled to the concave groove, Figure 4 (a) is a perspective view of a connecting member of a prefabricated welded truss according to an embodiment of the present invention, Figure 4 (b) is 4 (A) is a perspective view showing the rear and rear surfaces of the connecting member, FIG. 5(a) is a view viewed in the direction C in FIG. 2(b), and FIG. 5(b) is a (b) of FIG. 2 In the drawing showing the connecting member, Figure 5 (c) is a view of the connecting member of Figure 5 (b) from different angles, Figure 6 (a) and (b) are seen from different angles of the bolt Fig. 6(c) is a plan view of the bolts in Figs. 6(a) and 6(b).

1 to 6, the prefabricated weldless truss according to an embodiment of the present invention may include a vertical support 100, a horizontal support 200, and a connecting member 300.

Although the horizontal support 200 is illustrated in FIG. 1 in a zigzag manner, this is for indicating that the user can select the installation position of the horizontal support 200, but is not limited thereto. For example, the areas formed by the vertical support 100 and the horizontal support 200 may be the same grid pattern.

The vertical support 100 may have a hollow rod shape. A plurality of vertical supports 100 may be arranged vertically with respect to the floor. The plurality of vertical supports 100 may be arranged to be spaced apart from each other according to a user's selection.

The vertical support 100 may be formed with a vertical groove 110 along the longitudinal direction on the outer surface. When the vertical support 100 is a rectangular pillar shape as shown in the drawing, the vertical grooves 110 may be formed on opposite surfaces of each other. However, this is only an example, and the vertical groove 110 may be selectively formed on one surface or multiple surfaces of the columns of the vertical support 100. The vertical groove 110 has a shape recessed inward of the vertical support 100 and may be narrowed toward the outside from the inside of the vertical support 100.

The horizontal support 200 may have a hollow rod shape. A plurality of horizontal supports 200 may be disposed horizontally parallel to the floor. The plurality of horizontal supports 200 may be disposed at predetermined heights between the pair of vertical supports 100 according to a user's selection. That is, the user can place and fix the horizontal support 200 between a pair of vertical supports 100 at a desired height.

The transverse support 200 may have a transverse groove 210 along the longitudinal direction on the outer surface. When the horizontal support 200 is in the form of a quadrangular pillar as shown in the drawing, the horizontal grooves 210 may be formed on opposite surfaces of each other. However, this is only an example, and the horizontal groove 210 may be selectively formed on one surface or multiple surfaces of the pillars of the horizontal support 200. The transverse groove 210 has a shape recessed toward the inside of the transverse support 200 and may be narrowed toward the outside from the inside of the transverse support 200.

The plurality of vertical supports 100 and the horizontal supports 200 need not be uniformly arranged, and may be varied according to a user's selection.

The vertical groove 110 of the vertical support 100 and the horizontal groove 210 of the horizontal support 200 may have fixed protrusions 111 and 211 protruding from the inner surface. As will be described later, the fixing protrusion 111 may guide rotation of the bolt 320 or limit rotation.

The fixing protrusions 111 and 211 may have a predetermined length along a longitudinal direction of the vertical groove 110 or the horizontal groove 210, and a plurality of spaced apart protrusions may be arranged at predetermined intervals.

On the other hand, when the vertical support 100 and the horizontal support 200 are selected and cut by a user's desired length, it is preferable that a cover (not shown) made of a PVC material is disposed on the cut portion. By covering the cut portion with a cover of the PVC material, it is possible to prevent the occurrence of rust in the cut portion.

The connecting member 300 may connect the vertical support 100 and the horizontal support 200. The vertical support 100 and the horizontal support 200 may be connected by a connecting member 300 in a state in which the horizontal support 200 is placed at a desired height between the vertical vertical support 100. That is, the connecting member 300 connects the vertical support 100 and the horizontal support 200 and can fix the horizontal support 200 at a height set by the user.

The connecting member 300 may include a contact piece 310 and a bolt 320 and a nut 330.

The contact piece 310 may be in the form of a plate body bent with a'b'. That is, the contact piece 310 may be connected in a state in which the first contact piece 311 contacting the vertical support 100 and the second contact piece 312 contacting the horizontal support 200 are bent with a'b'. have.

The first contact piece 311 and the second contact piece 312 may have long holes 311a and 312a, respectively, along their respective longitudinal directions. At this time, the long hole 312a may be formed in a'U' shape to the end of the second contact piece 312, and according to the manufacturer's intention, the long hole 311a of the first contact piece 311 may also be the second contact piece Like the long hole 312a of 312, it may be formed in a'U' shape.

A guide protrusion 313 may be formed on the contact piece 310.

The guide protrusion 313 has a width corresponding to the width of the vertical groove 110 or the horizontal groove 210, and may be formed along the longitudinal direction of the long holes 311a and 312a. The guide protrusion 313 may be inserted into the vertical groove 110 or the horizontal groove 210 to guide the position of the connecting member 300.

The guide protrusion 313 may protrude to one side from the contact piece 310 to be inserted into the vertical groove 110 or the horizontal groove 210. In addition, as illustrated in the drawing, the guide protrusion 313 may be formed in a concave portion corresponding to the guide protrusion 313 on the other side of the contact piece 310 in a punched form.

The guide protrusion 313 is moved along the vertical groove 110 or the horizontal groove 210, so that the contact piece 310 can be guided so as not to deviate upon contact on the vertical support 100 or the horizontal support 200.

In addition, guide protrusions 313 are not formed on all the contact pieces 310, and it is also possible to be formed on only one of the first contact piece 311 or the second contact piece 312. Incidentally, the guide protrusion 313 usually has a length along the longitudinal direction of the first and second contact pieces 311 and 312, but, on the contrary, the guide protrusion 313 of the first and second contact pieces 311 and 312 It may have a length perpendicular to the longitudinal direction. In this case, one of the first and second contact pieces 311 and 312 contacts the vertical support 100 or the horizontal support 200, and the other of the first and second contact pieces 311 and 312 is The vertical support 100 or the horizontal support 200 is contacted by a wall 320 on which the horizontal support 200 is installed and connected by a bolt 320 and a nut 330, which will be described later, so that the vertical support 100 or the horizontal support 200 is fixed to the wall surface. Can be.

The bolt 320 may include a bolt head 321 and a bolt body 322 extending from the bolt head 321.

The bolt 320 may be inserted into the vertical groove 110 or the horizontal groove 210, and may protrude through the long holes 311a and 312a of the contact piece 310. That is, while the bolt head 321 is inserted into the vertical groove 110 or the horizontal groove 210, the connecting member 300 is installed on the vertical support 100 or the horizontal support 200, the bolt body 322 May penetrate the long holes 311a and 312a of the contact piece 310 of the connection member 300.

The bolt head 321 has one oval shape, and the other end may be connected to the bolt body 322. The bolt head 321 may have a shape that tapers from one end to the other.

5, the length of the virtual long axis of one end of the bolt head 321 formed in an oval is preferably larger than the width exposed on the outer surface of the vertical groove 110 or the horizontal groove 210. This is to prevent the bolt head 321 from being detached from the vertical groove 110 or the horizontal groove 210 inserted.

In addition, the length of the virtual short axis of one end of the bolt head 321 formed in an oval is preferably smaller than the width exposed on the outer surface of the vertical groove 110 or the horizontal groove 210. This is to make it easy for the bolt head 321 to be inserted into the vertical groove 110 or the horizontal groove 210 or to be pulled out from the vertical groove 110 or the horizontal groove 210.

That is, the user fits the bolt head 321 into the vertical groove 110 or the horizontal groove 210 by aligning the oval bolt head 321 with the virtual long axis in the longitudinal direction of the vertical groove 110 or the horizontal groove 210. ) Can be inserted or withdrawn, and the bolt head 321 is inserted into the vertical groove 110 or the horizontal groove 210, the bolt head 321 is the length of the vertical groove 110 or the horizontal groove 210 Sliding along the direction is possible.

In addition, the user fits the bolt head 321 into the longitudinal groove 110 or the horizontal groove 210 by aligning the oval bolt head 321 with the virtual short axis in the longitudinal direction of the vertical groove 110 or the horizontal groove 210. ).

A concave groove 321a may be formed on the outer surface of the tapered bolt head 321 so that the fixing protrusions 111 and 211 are inserted. At this time, a stepped 321b may be formed on either side of the concave groove 321a. Preferably, the bolt head 321 is rotated so that the fixing protrusions 111 and 211 are inserted through the entrance (not shown) of the concave groove 321a and the fixing protrusions 111 and 211 through the stepped side of the concave groove 321a. ) Can be formed. That is, the stepped protrusion 321b may limit rotation so that the bolt 320 rotates only a predetermined amount by the fixing protrusions 111 and 211 being caught.

As mentioned above, since the fixing protrusions 111 and 211 have a predetermined length along the longitudinal direction of the vertical groove 110 or the horizontal groove 210, a plurality of pieces are spaced apart at predetermined intervals, so that the user is vertical. After the bolt head 321 is positioned in the vertical groove 110 in correspondence with the fixing protrusion 111 of the height to which the horizontal support 200 is installed on the support 100, the contact piece 310 is installed and the nut 330 ) Can be coupled to the bolt body 322 to fix the connecting member 300.

The nut 330 is screwed to the bolt body 322 in a state where the bolt body 322 penetrates the long holes 311a and 312a, thereby connecting the connecting member 300 to the vertical support 100 or the horizontal support 200. Can be fixed.

What has been described above is only an embodiment for carrying out the prefabricated welding-less truss according to the present invention, and the present invention is not limited to the above-described embodiments, and the present invention without departing from the gist of the present invention as claimed in the claims below. Anyone who has ordinary knowledge in the technical field to which the invention pertains will have the technical spirit of the present invention to the extent that it can be implemented by various changes.

100: vertical support 110: vertical groove
111: fixed projection 200: horizontal support
210: horizontal groove 211: fixed projection
300: connecting member 310: contact piece
311: first contact 311a: long hole
312: second contact piece 312a: long hole
313: guide projection 320: bolt
321: bolt head 321a: concave groove
321b: step 322: bolt body
330: nut

Claims (8)

A vertical support is formed along the longitudinal direction on the outer surface and a plurality of spaced apart predetermined spaces are arranged;
A horizontal groove is formed along the longitudinal direction on the outer surface, a plurality of pieces are disposed between the plurality of vertical supports, and the horizontal supports are selectively adjusted in height; And
And a connecting member connecting the vertical support and the horizontal support and fixing the horizontal support to a height set by a user,
The vertical groove is formed concave from the surface of the vertical support, the vertical groove is a first inclined surface formed at an acute angle from the surface, is formed to face the first inclined surface and is formed at an acute angle from the surface It is formed by a second inclined surface and a first bottom surface connected to the first and second inclined surfaces, the longitudinal groove continuously extending from the surface toward the first bottom surface,
The transverse groove is formed concave from the surface of the transverse support, and the transverse groove is formed at a third inclined surface formed at an acute angle from the surface, facing the third inclined surface, and formed at an acute angle from the surface It is formed by a fourth inclined surface and a second bottom surface connected to the third and fourth inclined surfaces, and the transverse groove continuously extends from the surface toward the second bottom surface,
Each of the first to fourth inclined surfaces intermittently projects fixed protrusions,
The connecting member is formed in a long hole along the longitudinal direction of the vertical support or the horizontal support, and is bent into a'b' and inserted into the contact piece, the vertical groove and the horizontal groove, respectively, which contact the vertical support or the horizontal support, respectively. It comprises a bolt protruding through the long hole of the contact piece and a nut screwed to the bolt,
The bolt head includes a bolt head and a bolt body, and the bolt head is formed in a shape in contact with the first to fourth inclined surfaces and the first and second bottom surfaces, respectively.
A concave groove into which the fixing protrusion is inserted is formed at a bolt head corresponding to the fixing protrusion,
One side of the concave groove is a prefabricated welded truss that is formed with a stepped jaw when the bolt is rotated so that the bolt can rotate only a predetermined amount.
delete According to claim 1,
The contact piece,
A guide protrusion having a width corresponding to the width of the horizontal groove or vertical groove, formed along the longitudinal direction of the long hole, and inserted into the horizontal groove or vertical groove to guide the position of the connecting member;
Prefab welded truss further comprising a.
delete delete According to claim 1,
The length of the long axis of one end of the oval of the bolt head is greater than the width exposed on the outer surface of the vertical groove or the horizontal groove, and the length of the short axis of one end of the oval of the bolt head is exposed on the outer surface of the vertical groove or the horizontal groove. Prefab welded truss smaller than width.
According to claim 1,
The fixing protrusion has a predetermined length along the longitudinal direction of the longitudinal grooves or transverse grooves, a prefabricated welded truss in which a plurality of pieces are spaced apart at predetermined intervals.
According to claim 1,
When the vertical support and the horizontal support are cut according to the user's selection, a prefabricated welding-free truss comprising a cover of the PVC material disposed in the cut portion.

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