KR101755111B1

KR101755111B1 - Bolt

Info

Publication number: KR101755111B1
Application number: KR1020150123865A
Authority: KR
Inventors: 김권식
Original assignee: 주식회사 산돌기업
Priority date: 2015-09-01
Filing date: 2015-09-01
Publication date: 2017-07-06
Also published as: KR20170027218A

Abstract

More particularly, the present invention relates to a groove bolt for coupling, which is coupled to a frame member such as an angle, a channel, or a rectangular steel pipe in which a coupling hole in the form of a keyhole is formed, And to a coupling groove bolt for facilitating coupling.
The bolt head of the present invention has a bolt head and a threaded body. The bolt head and the bolt head are connected to each other at a predetermined distance in the longitudinal direction of the body, And a guide portion formed in a shape that is recessed and cut in a vertical direction.

Description

Bolt for joining {Bolt}

More particularly, the present invention relates to a groove bolt for coupling, which is coupled to a frame member such as an angle, a channel, or a rectangular steel pipe in which a coupling hole in the form of a keyhole is formed, And to a coupling groove bolt for facilitating coupling.

As a background of the present invention, there is a patent registration No. 0949709 entitled " Exterior Panel Construction Apparatus for Building Exterior Wall That Does Not Require Field Welding "(Patent Document 1). In the above background art, as shown in FIG. 6, an outer panel construction apparatus for an outer wall of a building for constructing an outer wall of a slab or an inner wall of a building using an outer panel of a metal or stone material, A plurality of first brackets fixed to the side wall or the wall surface of the slab at regular intervals with respect to a vertical direction by fixing wall fixture itself through an anchor bolt inserted at a predetermined interval on a wall surface; Wherein a plurality of rectangular bolt engagement holes are formed in the front and both sides along a center line in a vertical direction with a predetermined interval and are arranged in a vertical direction between at least two of the plurality of first brackets, Shaped bolt coupling hole and is larger than the minor axis width of the rectangular-shaped bolt coupling hole so that it is fixed to the wall surface of the first bracket through a "T" A plurality of external panel mounting rods each having a rectangular bar shape and fixed to a bar fixing piece formed by bending at a right angle in a single piece; A plurality of second brackets tightly fixed to the front surface of the outer panel-mounting rods at regular intervals through the " T "-shaped bolts and the nuts fastened thereto; And a fixing pin which is inserted in and fixed to a fixing hole formed at a predetermined distance from the upper and lower surfaces of the outer panel at an outer end portion of the outer panel and which has an inner end bent perpendicularly to the vertical fixing piece of the second bracket through a common bolt and a nut, And an outer panel fixing piece fixed to the one end portion and integrally fixing the outer panel mounting rods in a state of supporting the outer panel. So that the head 81 of the "T" shaped bolt 8 is inserted into the rectangular bolt coupling hole 61 and the nut 9 is joined from the outside.

However, in the background art, since the head 81 of the "T" -shaped bolt 8 is inserted into the rectangular bolt coupling hole 61 of the external panel mounting rod 6, There is a problem in that the "T" -shaped bolt 8 falls into the inside of the rod 6 or is not fixed at the correct position, making it difficult to attach the nut 9. [

Further, another technology to be a background of the present invention is (Patent Document 2) Patent No. 1004057 entitled " Truss assembly for building ". In the background art, as shown in FIG. 7, 'a base plate 133 which is inserted and moved in a hollow formed in the body; A screw portion protruding from one side of the base plate to penetrate the opening portion and passing through the band member; A nut 135 coupled to the threaded portion; And a resilient supporting portion 136 connected to the other side of the base plate. The truss assembly 120 includes an opening 113 (123) of the truss bar 110, The outer end of the resilient supporting portion 136 supports the inner side surface of the truss bars 110 and 120 and the base plate 133 is resiliently connected to the outer side So as to prevent the base plate 133 from falling to the inside of the torque bar and improve the coupling force of the fixing means 132 together with the nut 135. [

However, in the background art, there is a problem that when the nut 135 is coupled to the screw portion 134, the screw portion 134 is simultaneously rotated, and the nut 135 is difficult to be coupled.

Patent Registration No. 0949709 "External panel construction device for exterior wall of building without welding on site" Patent Registration No. 1004057 "Building truss assembly"

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a guide member having a cut-out shape on both sides of a body and having a key hole formed in a frame member made of an angle, a channel, The bolt can be easily fastened while preventing the bolt from being loosened, and even when the frame member such as a channel or a rectangular steel pipe is difficult to insert the bolt, the bolt head is firstly inserted from the outside and the bolt body is positioned outside It is possible to attach the nut from the outside in a state where the bolt is coupled to the coupling hole and to prevent the bolt from being loosened when the nut is coupled by removing the clearance that may be generated when the fixing pin is engaged, The purpose is to provide a home bolt.

The present invention relates to a bolt comprising a bolt head and a body formed with a screw thread, the bolt being coupled to a coupling hole in the form of a keyway of a frame member such as an angle, a channel or a rectangular steel pipe, Wherein a guide portion is formed in a shape in which the opposite sides of the body are inserted in a predetermined distance and cut in a vertical direction to a point spaced by a certain distance.

In addition, the head of the bolt has a fixing pin coupling hole penetrating the bolt head on both sides in the diagonal direction with respect to the long axis of the cross section of the guide section, and a fixing pin having a length longer than the thickness of the bolt head is fixed to the fixing pin coupling hole, Wherein the coupling groove is formed in the groove.

The bolt head may have any one of hexagonal, quadrangular, and circular shapes.

Also, the guide portion is formed by cutting or pressing both sides of the body facing each other.

The joining groove bolt of the present invention is formed with a guide portion in the form of being cut on both sides of the body so that the joining hole in the form of a keyhole formed in a frame member made of an angle, a channel, It is possible to fasten the nut easily while preventing the bolt from being inserted. Even in the case of a frame member such as a channel or a square steel pipe which is difficult to insert a bolt, the bolt head is first inserted from the outside, It is possible to combine the nuts and the nut, and furthermore, there is a very easy effect of preventing the bolts from being loosened when the nuts are coupled by removing the clearance that may be generated when the fixing pins are coupled to the coupling holes.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention, Shall not be construed as limiting.
1 is a perspective view of a coupling groove bolt according to the present invention.
2 is an exploded perspective view of FIG.
3 is a perspective view illustrating an embodiment in which the coupling groove bolts of the present invention are combined.
4 is a cross-sectional view taken along line AA of FIG.
5 is a sectional view taken along the line BB in Fig.
6 is a partially enlarged exploded perspective view of an exterior panel construction apparatus for a building exterior wall that does not require conventional field welding.
7 is a side view of a conventional building truss assembly.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

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

The present invention relates to a groove bolt for engagement, which is coupled to a frame member such as an angle, a channel, and a rectangular steel pipe in which a coupling hole in the form of a keyhole is formed to facilitate coupling between frame members or coupling of a casing to the outside of the frame member.

FIG. 1 is a perspective view of a joining groove bolt of the present invention, and FIG. 2 is an exploded perspective view of the joining bolt of FIG. 1. FIG.

1, the coupling groove bolt 1 of the present invention has the same shape as a general bolt made of a general bolt head 11 and a threaded body 12, and the body 12 has a guide portion 13 are formed and the fixing pin 14 can be additionally formed.

The bolt head 11 is formed larger than the diameter of the body 12 and may have various shapes such as a hexagon as shown in FIG. 1A, a square as shown in FIG. 1B, and a circular shape as shown in FIG. 1C. Since the bolt head 11 for coupling according to the present invention inserts the bolt head 11 into the coupling hole first and engages the nut from the outside, unlike the method of rotating the bolt head with a wrench in a general bolt, It is not necessary to combine the bolt head 11 with a wrench or the like, so that the shape of the bolt head 11 can be variously formed.

The body 12 is inserted into the guide portion 13 in a shape recessed from the connecting portion between the bolt head 11 and the body 12 to a position spaced a certain distance in the longitudinal direction of the body 12, .

That is, the guide portion 13 may be formed to have a pair of flat surfaces parallel to each other in a shape in which corresponding opposite side surfaces are recessed, or may be formed to be integrally formed in advance. The guide portion 13 can be formed by cutting or pressing the body 12 in particular.

In addition, the bolt head 11 is additionally provided with a fixing pin 14 inserted therein, so that when the bolt is coupled to the coupling hole, the clearance that may occur in the coupling space with the guide portion 13 is removed, You can prevent it from being idle.

The bolt head 11 passes through the bolt head 11 on both sides in the diagonal direction with respect to the longitudinal axis of the cross section of the guide portion 13, that is, in the illustrated embodiment, . The fixing pin coupling hole 111 may be formed in one diagonal direction or both diagonal directions so that the fixing pin 14 can be inserted and used according to the user's convenience.

The fixing pin 14 is inserted into the fixing pin coupling hole 111. The fixing pin 14 is detachably coupled to the fixing pin coupling hole 111 so as to be inserted or withdrawn The fixing pin 14 is formed to have a length longer than the thickness of the bolt head 11 so that it can protrude from the bolt head 11 in the direction of the body 12 by a predetermined length. That is, the fixing pin 14 may be inserted into the fixing pin coupling hole 111 or may be used without coupling the fixing pin 14.

The fixing pin 14 can be inserted into the fixing pin coupling hole 111 in advance to protrude from the bolt head 11 in the direction of the body 12 by a predetermined length and the coupling groove bolt 1 is inserted into the coupling hole The fixing pin 14 can be inserted into the fixing pin coupling hole 111 from the direction of the body 12 before the nut coupling.

FIG. 3 is a perspective view illustrating an embodiment in which the coupling groove bolts of the present invention are combined, FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3, and FIG. 5 is a cross-sectional view taken along line B-B of FIG.

3, the joining groove bolts 1 of the present invention are joined to a frame member 2 such as a general angle, a channel, and a rectangular steel pipe for constructing a truss member for a building, 1 is preferably used at the time of engaging the frame member 2 in which the keyhole-shaped engagement hole 21 is formed.

5, the keyhole-shaped coupling hole 21 is formed by a circular coupling hole 211 and a circular coupling hole 211 having a width smaller than the diameter of the circular coupling hole 211, And a guide hole 212 formed with a long length of a predetermined length. When the bolt is used, the bolt head is first inserted and the body is moved along the guide hole to fix the bolt. When the nut is coupled from the outside, There was a problem.

3 to 5, the bolt head 11 is inserted into the circular coupling hole 211 of the coupling hole 21 of the frame member 2 so that the body 12 faces outward, And the guide portion 13 is moved along the guide hole 212 of the hole 21 of the coupling hole 21, the coupling groove bolt 1 is fixed. This is because the width of the guide hole 212 is smaller than the diameter of the body 12 of the coupling groove bolt 1 so that the guide portion 13 can move along the guide hole 212, The head 11 and the body 12 can not move and become fixed.

5, since the width of the guide hole 212 and the width of the guide portion 13 do not coincide with each other, a clearance is generated to allow rotation, so that the fixing pin 14 is positioned in one or both diagonal directions Thereby preventing the coupling groove bolts 1 from loosening at the time of nut coupling.

That is, when the other end of the fixing pin 14 is inserted into the fixing pin engaging hole 111 of the bolt head 11, the one end of the fixing pin 14 protrudes in the direction of the body 12, The fixing pin 14 is positioned at both ends of the guide groove 212 to limit the clearance with respect to the guide hole 212 and to fix the coupling groove bolt 1 to prevent loosening when the nut is coupled.

The coupling groove bolt of the present invention has a guide portion formed on both sides of the body so as to be cut, and is formed with a key hole-shaped coupling hole formed in a frame member such as an angle, a channel, It is possible to fasten the nut easily while preventing the bolt from being loosened. Even in the case of a frame member such as a channel or a square steel pipe which is difficult to insert a bolt, the bolt head is first inserted from the outside and the body of the bolt is positioned outside It is possible to prevent the bolt from being loosened when the nut is coupled by removing the clearance that may be generated when the nut is coupled to the coupling hole by further joining the fixing pin. .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

1: Coupling groove bolt
2: frame member
11: Bolt head
12: Body
13:
14: Fixing pin

Claims

A bolt comprising a bolt head (11) and a body (12) joined to an engaging hole (21) of a keyway shape of a frame member (2) composed of an angle, a channel or a rectangular steel pipe,
The opposite sides of the body 12 are inserted into the body 12 by a predetermined distance from the connecting portion between the bolt head 11 and the body 12 to a position spaced a certain distance in the longitudinal direction of the body 12, A guide portion 13 formed in a shape of a cylinder,
The bolt head 11 is provided with a fixing pin coupling hole 111 passing through the bolt head 11 on both sides in the diagonal direction with respect to the major axis of the cross section of the guide portion 13, And a fixing pin (14) having a length longer than the thickness of the bolt head (11) is fitted to the fixing pin coupling hole (111).

delete

The method according to claim 1,
Characterized in that the bolt head (11) has a shape of a hexagon, a quadrangle, or a circle.

The method according to claim 1,
Wherein the guide portion (13) is formed by cutting or pressing both sides of the body (12) facing each other.