KR102122911B1 - Profile fastening bolt - Google Patents

Profile fastening bolt Download PDF

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Publication number
KR102122911B1
KR102122911B1 KR1020190116058A KR20190116058A KR102122911B1 KR 102122911 B1 KR102122911 B1 KR 102122911B1 KR 1020190116058 A KR1020190116058 A KR 1020190116058A KR 20190116058 A KR20190116058 A KR 20190116058A KR 102122911 B1 KR102122911 B1 KR 102122911B1
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KR
South Korea
Prior art keywords
fastening groove
head portion
bolt
profile
head
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KR1020190116058A
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Korean (ko)
Inventor
유인규
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주식회사 비룡금속
유인규
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Priority to KR1020190116058A priority Critical patent/KR102122911B1/en
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Publication of KR102122911B1 publication Critical patent/KR102122911B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/18—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements
    • F16B7/187—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections using screw-thread elements with sliding nuts or other additional connecting members for joining profiles provided with grooves or channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The present invention relates to a bolt for fastening a profile which allows a head portion of a bolt and a fastening groove formed on a profile to in inclined and reduced upwards to stop the head portion on the fastening groove, forms vertical cut surfaces on both sides of the head portion to vertically insert the head portion by the cut surfaces and then stop the head portion in a rotating process to conveniently fasten a target object to a profile by a nut. According to the present invention, a fastening groove having an opened upper surface and being inclined and reduced upwards is formed on a profile in a longitudinal direction. A head portion is inserted into and stopped on the fastening groove, and a nut for fixing a target object is fastened to a bolt portion. Cut surfaces are formed on both sides of the head portion to vertically insert the head portion into the fastening groove and then stop the head portion on the fastening groove in a rotating process. The head portion is formed as a cylinder with a bottom surface having a larger diameter than a top surface. The cut surfaces are symmetrically formed on both sides from the center of the head portion. A protrusion protruding more than the circumference of the bottom surface of the head portion is formed at the boundary where the bottom surface and the cut surfaces meet to stop the protrusion on an inclined surface of the lower end of the fastening groove in the process of rotating the bolt to prevent the bolt from spinning without traction.

Description

프로파일 체결용 볼트{Profile fastening bolt}Profile fastening bolt {Profile fastening bolt}

본 발명은 프로파일 체결용 볼트에 관한 것으로서, 더욱 상세하게는 프로파일에 형성된 체결홈과 볼트의 머리부가 상부로 축소 경사지게 하여 머리부가 체결홈에 걸리도록 하되 머리부 양측으로 수직의 절개면을 형성하여 상기 절개면을 통하여 머리부가 체결홈에 수직으로 끼워진 뒤 회전과정에서 걸리도록 함으로써, 상대물을 프로파일에 너트로 체결할 때 편리한 프로파일 체결용 볼트에 관한 것이다.The present invention relates to a bolt for fastening a profile, and more specifically, the head of the fastening groove and the bolt formed in the profile is inclined to be reduced to the upper portion so that the head is caught in the fastening groove, but vertical cut surfaces are formed on both sides of the head. It relates to a bolt for fastening a profile that is convenient when fastening a counterpart to a profile with a nut by inserting the head vertically through the incision to be inserted into the fastening groove and then engaging in the rotation process.

일반적으로 프로파일은 알루미늄을 인발 하거나 또는 철판을 요철형으로 절곡하여 볼트의 머리부가 걸리는 체결홈이 형성되도록 한 것으로서, 프로파일에 태양광패널 같은 상대물을 볼트로 고정할 때 사용된다.In general, a profile is used to draw an aluminum or bend an iron plate in an uneven shape so that a fastening groove is formed on the head of a bolt, and is used to fix an object such as a solar panel to the profile with a bolt.

종래 프로파일의 볼트 체결구조는 공개특허 제2019-0094893호에 개시된 바와같이, 일정한 횡단면으로 연장형성되며 적어도 일면에는 등변사다리꼴의 횡단면을 가지는 체결그루브가 내측으로 합입 형성되는 프로파일과, 볼트몸체에 볼트머리가 일체로 형성되되, 상기 볼트머리는 상기 프로파일의 체결그루브에 대응되도록 등변사다리꼴의 횡단면을 가지고 상기 프로파일의 체결그루브로 삽입되도록 상기 체결그루브의 폭보다 작은 두께를 가지며, 상기 볼트머리가 상기 프로파일의 체결그루브 내로 삽입되어 회전될 때, 상기 볼트머리의 양 빗변측이 상기 체결그루브의 양 빗변측면에 접촉 지지되면서 체결고정되고 상기 볼트몸체는 상기 프로파일의 외부로 돌출되는 체결볼트를 포함하는 구성이다.The bolt fastening structure of the conventional profile is as described in Patent Publication No. 2019-0094893, and is formed to extend in a constant cross-section and at least one side is a profile in which a fastening groove having an equilateral trapezoidal cross-section is formed inwardly, and a bolt head on the bolt body Is formed integrally, the bolt head has a cross-section of an equilateral trapezoid to correspond to the fastening groove of the profile and has a thickness smaller than the width of the fastening groove to be inserted into the fastening groove of the profile, the bolt head of the profile When inserted and rotated into a fastening groove, both hypotenuse sides of the bolt head are in contact with and supported by both hypotenuse sides of the fastening groove, so that the bolt body is configured to include a fastening bolt protruding out of the profile.

그러나 볼트머리가 체결그루브에 끼워진 상태에서 상대물을 너트로 회전시키는 동안 볼트가 헛돌기 때문에 볼트를 고정하기 위하여 체결그루브의 양 빗변측면 및 볼트머리의 빗변측에 톱니부를 형성해야 되므로 생산성이 떨이지는 단점이 있었다. 특히 체결그루브는 볼트가 자유롭게 움직이면서 불특정 위치에서 고정되기 때문에 길이방향을 따라 빗변측면에 전부 톱니부를 형성해야 되므로 비생산적인 등의 단점이 있었다.However, since the bolts are rotating while the counterpart is rotated with a nut while the bolt head is inserted into the fastening groove, the teeth need to be formed on both sides of the fastening groove and on the hypotenuse side of the bolt head to reduce productivity. There were disadvantages. In particular, since the fastening groove is fixed at an unspecified position while the bolt moves freely, all of the teeth have to be formed on the side of the hypotenuse along the longitudinal direction, which has disadvantages such as unproductiveness.

본 발명은 종래의 문제점을 감안하여 개발한 것으로서, 본 발명의 목적은 프로파일에 형성된 체결홈과 볼트의 머리부가 상부로 축소 경사지게 하여 머리부가 체결홈에 걸리도록 하되 머리부 양측으로 수직의 절개면을 형성하여 상기 절개면을 통하여 머리부가 체결홈에 수직으로 끼워진 뒤 회전과정에서 걸리도록 하기 위하여 상기 머리부의 밑면 양측에 밑면의 원둘레보다 더 돌출되는 돌기를 형성함으로써, 상기 머리부의 회전과정에서 돌기들이 체결홈의 하단에 걸려 머리부가 헛돌지 않게 되므로 상대물을 프로파일에 너트로 체결할 때 볼트를 잡을 필요가 없으며, 또한 체결홈에는 머리부 고정을 위한 별도 구조물을 형성할 필요가 없으므로 프로파일의 구성이 간소화되는 프로파일 체결용 볼트를 제공함에 있다.The present invention has been developed in view of the conventional problems, and the object of the present invention is to make the head portion of the fastening groove and the bolt formed in the profile shrink and incline upward, so that the head is caught in the fastening groove, but the vertical incision planes are formed on both sides of the head. By forming the protrusions protruding more than the circumference of the base on both sides of the bottom of the head so as to be formed in the rotation process after the head is vertically inserted into the fastening groove through the incision surface, the protrusions are fastened in the rotation process of the head Since the head is not caught in the lower part of the groove, it is not necessary to hold the bolt when fastening the counterpart to the profile with a nut, and the fastening groove does not need to form a separate structure for fixing the head, thus simplifying the configuration of the profile. It is to provide a bolt for fastening the profile.

이를 위하여 본 발명은 상부로 축소경사지고 윗면이 개방된 체결홈이 프로파일에 길이방향으로 형성되고, 상기 체결홈에 머리부가 끼워져 걸리고 볼트부에는 상대물 고정을 위한 너트가 체결되며, 상기 머리부는 양측에 절개면이 형성되어서 상기 머리부가 상기 체결홈에 수직으로 끼워진 뒤 회전과정에서 체결홈에 걸리도록 한 프로파일 체결용 볼트에 있어서, 상기 머리부는 밑면이 윗면보다 큰 직경의 원기둥으로 형성되고; 상기 절개면은 상기 머리부의 중심에서 양측에 대칭으로 형성되며, 상기 머리부 밑면과 상기 절개면이 만나는 경계에 상기 밑면의 원둘레보다 더 돌출되는 돌기가 형성되어서 상기 볼트의 회전과정에서 상기 돌기가 상기 체결홈 하단의 경사면에 걸려 볼트가 헛돌지 않게 되는 특징이 있다.To this end, the present invention is formed in the longitudinal direction of the fastening groove which is inclined to the upper side and the upper surface is opened, the head is fitted into the fastening groove, and a nut for fastening a counterpart is fastened to the bolt portion, and the head is both sides. In the bolt for fastening a profile in which an incision surface is formed so that the head portion is vertically fitted to the fastening groove and is caught in the fastening groove in a rotation process, the head portion is formed of a cylinder having a diameter of a larger diameter than the upper surface; The incision surface is formed symmetrically on both sides from the center of the head portion, and a protrusion protruding more than the circumference of the bottom surface is formed at a boundary where the underside portion of the head portion meets the incision surface, so that the protrusion in the rotation process of the bolt is the It has a feature that the bolt does not run out of the inclined surface at the bottom of the fastening groove.

본 발명에 따르면 프로파일의 체결홈과 볼트의 머리부가 상부로 축소 경사진 경사면으로 형성되어서 머리부가 체결홈에서 빠지지 않고 걸리므로 상대물을 너트로 체결할 수 있다. 또한 머리부는 밑면이 윗면보다 큰 직경의 원기둥으로 구성되는데 머리부가 체결홈에 수직으로 끼워지도록 머리부의 양측은 수직으로 절개된 절개면으로 구성된다.According to the present invention, the fastening groove of the profile and the head of the bolt are formed with an inclined inclined surface that is reduced to the top, so that the head is caught without falling out of the fastening groove, so that the counterpart can be fastened with a nut. In addition, the head portion is composed of a cylinder having a diameter of a larger diameter than the top surface, and both sides of the head portion are vertically incised so that the head portion is vertically fitted into the fastening groove.

또한 상기 머리부의 밑면은 원둘레보다 더 돌출되는 돌기가 절개면을 피해 양측에 대칭으로 형성되기 때문에 머리부를 체결홈에 수직으로 끼운 뒤 회전시키는 과정에서 양측의 돌기가 체결홈 하부의 경사진 측면에 걸리면서 머리부의 회전이 구속된다. 따라서 볼트에 상대물을 너트로 체결하는 과정에서 볼트가 헛돌지 않으며, 또한 볼트를 고정하기 위하여 체결홈에 별도의 구조물을 형성하지 않아도 되므로 프로파일의 구성이 간소화되는 등의 이점이 있다.In addition, since the protrusions protruding more than the circumference of the head are formed symmetrically on both sides, avoiding the incision surface, the protrusions on both sides are caught on the inclined side of the lower part of the fastening groove while being rotated after being inserted vertically into the fastening groove. The rotation of the head is restrained. Therefore, in the process of fastening the counterpart to the bolt with a nut, the bolt does not run out, and there is no need to form a separate structure in the fastening groove in order to fix the bolt, so there is an advantage of simplifying the configuration of the profile.

도 1은 본 발명 한 실시예의 프로파일과 볼트의 분리사시도
도 2는 본 발명 한 실시예의 프로파일과 볼트의 체결상태 측면도
도 3은 본 발명 한 실시예의 프로파일과 볼트의 체결상태 평면도1 is an exploded perspective view of a profile and a bolt of an embodiment of the present invention
Figure 2 is a side view of the fastening state of the profile and the bolt of one embodiment of the present invention
Figure 3 is a plan view of the fastening state of the profile and bolts of an embodiment of the present invention

도 1 내지 도 3에서 본 발명 한 실시예의 볼트는 너트 체결용 볼트부(10)와 프로파일(20)의 체결홈(21)으로 끼워지는 머리부(11)로 구성된다. 상기 머리부(11)는 밑면의 직경이 윗면의 직경보다 큰 원기둥의 형태로써, 측면은 상부로 축소 경사진 경사면으로 구성된다. 그리고 상기 체결홈(21)은 상기 머리부(11)와 동일하게 상부로 축소 경사진 경사면으로 구성되어서 프로파일(20)을 따라 길이방향으로 연속된다. 따라서 상기 머리부(11)가 상기 체결홈(21)으로 끼워지면 이들 경사면들이 밀착되어서 상기 머리부(11)는 상하측으로 구속되고, 프로파일(20)의 길이방향을 따라서 좌우측으로 위치조정이 가능해진다.The bolts of one embodiment of the present invention in FIGS. 1 to 3 are composed of a bolt portion 10 for nut fastening and a head portion 11 fitted into a fastening groove 21 of the profile 20. The head portion 11 is in the form of a cylinder having a diameter of the bottom surface larger than the diameter of the top surface, and the side surface is composed of an inclined surface that is inclined to the top. And the fastening groove 21 is composed of an inclined surface that is inclined to the top and reduced in the same way as the head 11, and continues in the longitudinal direction along the profile 20. Therefore, when the head portion 11 is fitted into the fastening groove 21, these inclined surfaces are in close contact, so that the head portion 11 is constrained up and down, and it is possible to adjust the position to the left and right along the longitudinal direction of the profile 20. .

상기 머리부(11)는 밑면이 상기 체결홈(21)의 윗면보다 넓게 구성되므로 체결홈(21)에 수직으로 끼워지지 않는다. 이를 해결하기 위하여 상기 머리부(11)는 상기 체결홈(21)의 윗면보다 작은 폭이 되도록 머리부(11)의 중심에서 양측에 수직으로 절단된 절개면(12)을 갖는다. 따라서 상기 머리부(11)는 상기 절개면(12)을 통하여 상기 체결홈(21)의 위쪽에서 체결홈(21) 내부에 수직으로 끼워진다.The head 11 is not fitted vertically to the fastening groove 21 because the bottom surface is configured to be wider than the upper surface of the fastening groove 21. To solve this, the head portion 11 has a cut surface 12 cut perpendicular to both sides from the center of the head portion 11 so as to be smaller than the upper surface of the fastening groove 21. Therefore, the head portion 11 is vertically fitted into the fastening groove 21 from above the fastening groove 21 through the incision surface 12.

또한 상기 머리부(11) 밑면의 상기 각 절개면(12)과 만나는 경계에는 한쌍의 돌기(13)가 서로 엇갈리게 대각선 방향으로 형성되는데, 이들 돌기(13)는 밑면의 원둘레보다 더 돌출된다. 따라서 상기 머리부(11)가 상기 체결홈(21)으로 끼워진 뒤 볼트를 회전시키는 과정에서 상기 돌기(13)들이 체결홈(21)의 하단 경사면에 걸리면서 볼트의 회전이 구속되므로 볼트부(10)에 너트를 체결할 때 볼트가 헛돌지 않으므로 볼트를 잡을 필요가 없다.In addition, a pair of protrusions 13 are formed in a diagonal direction staggered with each other at a boundary where the incision surfaces 12 of the bottom of the head 11 meet, and these protrusions 13 protrude more than the circumference of the bottom. Therefore, in the process of rotating the bolt after the head portion 11 is inserted into the fastening groove 21, the rotation of the bolt is restrained while the protrusions 13 are caught on the lower inclined surface of the fastening groove 21, so that the bolt portion 10 When tightening the nut, the bolt does not turn out, so there is no need to hold the bolt.

이처럼 구성된 본 발명 한 실시예의 볼트는 머리부(11)의 밑면이 윗면보다 큰 직경의 원기둥으로 형성되어서 측면은 상부로 축소 경사진 경사면으로 구성된다. 그리고 프로파일(20)에 길이방향으로 형성되어 윗면이 개방된 체결홈(21)은 상기 머리부(11)의 측면이 밀착되게 상부로 축소 경사진 경사면으로 양 측면이 형성된다. 따라서 상기 머리부(11)와 체결홈(21)의 측면이 서로 대응되면 이들 경사면이 같은 기울기로 형성되어서 틈새가 벌어지지 않고 밀착되므로 상대물을 너트로 체결할 때 머리부(11)가 위쪽으로 들리지 않고 체결홈(21)에 견고하게 고정된다.The bolt of the embodiment of the present invention configured as described above is formed of a cylinder having a diameter of a larger diameter than the upper surface of the head portion 11, so that the side surface is formed of an inclined surface that is inclined to shrink upward. And the fastening groove 21 formed in the longitudinal direction on the profile 20 and the upper surface is opened is formed on both sides with an inclined surface that is inclined to the upper side so that the side surface of the head portion 11 is in close contact. Therefore, when the side surfaces of the head portion 11 and the fastening groove 21 correspond to each other, these inclined surfaces are formed with the same inclination so that the gap does not open, so that the head portion 11 is upward when fastening the counterpart with a nut. It is fixed to the fastening groove 21 without being lifted.

볼트를 프로파일에 체결하는 과정은 다음과 같다. 먼저 볼트를 프로파일의 체결하고자 하는 지점에 위치시키고 머리부(11)가 체결홈(21)으로 들어가도록 끼운다. 이때 머리부(11)의 밑면은 체결홈(21)의 개방된 윗면보다 더 넓게 구성되어 들어가지 않으므로 절개면(12)이 체결홈(21)의 윗면과 대응되게 방향을 맞춘다. 이후 절개면(12)을 통하여 머리부(11)가 체결홈(21) 내부로 들어가게 한 뒤 머리부(11)의 밑면이 체결홈(21)의 윗면에 닿은 상태에서 볼트를 회전시킨다.The process of fastening the bolt to the profile is as follows. First, the bolt is placed at a point to be fastened to the profile, and the head 11 is inserted to enter the fastening groove 21. At this time, since the bottom surface of the head portion 11 is configured to be wider than the open top surface of the fastening groove 21, the incision surface 12 is oriented to correspond to the upper surface of the fastening groove 21. Thereafter, through the incision surface 12, the head 11 is allowed to enter into the fastening groove 21, and then the bolt is rotated while the bottom surface of the head 11 is in contact with the upper surface of the fastening groove 21.

볼트는 회전과정에서 머리부(11)의 경사면이 체결홈(21)의 경사면과 대응되어 밀착되므로 볼트가 위쪽으로 들리지 않는다. 또한 볼트의 회전과정에서 머리부(11) 밑면에 형성된 돌기(13)들이 체결홈(21) 하단의 경사면에 닿으면 볼트의 회전이 정지된다. 상기 돌기(13)들은 각 절개면(12)에서 서로 엇갈리게 대각선 방향으로 되기 때문에 머리부(11)가 체결홈(21)에 끼워진 뒤 90도 이상 회전되는 과정에서 체결홈(21)에 걸리므로 머리부(11)의 경사면과 체결홈(21)의 경사면이 충분히 밀착된다.The bolt does not lift upward because the inclined surface of the head portion 11 is in close contact with the inclined surface of the fastening groove 21 during the rotation process. In addition, when the protrusions 13 formed on the underside of the head 11 touch the inclined surface of the lower end of the fastening groove 21 during the rotation of the bolt, the rotation of the bolt is stopped. Since the protrusions 13 are diagonally crossed from each other in each incision surface 12, the head 11 is inserted into the fastening groove 21 and then caught in the fastening groove 21 in the process of being rotated by 90 degrees or more. The inclined surface of the part 11 is in close contact with the inclined surface of the fastening groove 21.

따라서 상대물을 볼트부(10)에 끼우고 너트로 체결하는 과정에서 볼트부(10)를 잡을 필요가 없으므로 체결작업이 편리한 등의 이점이 있다. Therefore, there is an advantage in that the fastening operation is convenient since it is not necessary to hold the bolt 10 in the process of fitting the counterpart to the bolt 10 and fastening with a nut.

10 : 볼트부 11 : 머리부
12 : 절개면 13 : 돌기
20 : 프로파일 21 : 체결홈10: bolt part 11: head
12: incision surface 13: projection
20: Profile 21: Fastening groove

Claims (2)

상부로 축소경사지고 윗면이 개방된 체결홈이 프로파일에 길이방향으로 형성되고, 상기 체결홈에 머리부가 끼워져 걸리고 상기 체결홈 위로 돌출되는 볼트부에는 상대물 고정을 위한 너트가 체결되도록 하되, 상기 머리부는 밑면의 직경이 윗면의 직경보다 큰 원기둥의 형태로써, 상기 머리부와 체결홈의 측면은 상부로 축소 경사진 동일한 경사면으로 구성되고; 상기 머리부는 양측에 절개면이 형성되어서 상기 머리부가 상기 체결홈에 상기 절개면을 통하여 수직으로 끼워진 뒤 회전과정에서 상기 동일한 경사면의 밀착으로 상기 머리부는 상하측으로 구속되는 프로파일 체결용 볼트에 있어서,
상기 각 절개면과 상기 머리부 밑면의 원둘레가 만나는 경계에 돌기가 각각 형성되는데, 상기 각 돌기는 서로 엇갈리게 대각선 방향으로 형성되어서 상기 머리부가 체결홈에 끼워진 뒤 90도 이상 회전되는 과정에서 상기 돌기들이 체결홈의 경사면에 걸려 제자리회전이 구속되도록 한 것을 특징으로 하는 프로파일 체결용 볼트.A fastening groove that is inclined to the top and has an open top surface is formed in the lengthwise direction in the profile, and the head is fitted into the fastening groove, and a bolt for fixing an object is fastened to the bolt portion protruding over the fastening groove, but the head is fastened. The blowing is in the form of a cylinder whose diameter of the bottom surface is larger than the diameter of the top surface, and the side surface of the head portion and the fastening groove is composed of the same inclined surface that is inclined to the top and is inclined; The head portion is formed on both sides of the incision surface, the head portion is vertically fitted through the incision surface in the fastening groove, and the head portion is constrained to the same inclined surface in the rotation process, so that the head portion is constrained to the upper and lower sides, in the bolt for fastening the profile,
Protrusions are respectively formed at a boundary where the incision of the incision of each incision surface and the bottom of the head part is formed, and the protuberances are formed in a diagonal direction staggered with each other so that the protrusions are rotated by 90 degrees or more after being inserted into the fastening groove. Bolt for fastening a profile, characterized in that the rotation of the fastening in place on the inclined surface of the fastening groove. 삭제delete
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102468921B1 (en) * 2021-09-28 2022-11-18 이운선 Connecting structure for truss improving productivity and stability

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113011U (en) * 1984-06-28 1986-01-25 三芝工業株式会社 Fixing device using bolts
JPS63266204A (en) * 1987-01-21 1988-11-02 ハルフェン　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング　ウント　コンパニー　コマンディートゲゼルシャフト Anchor rail
JPH07127621A (en) * 1993-11-04 1995-05-16 Daiken:Kk Bolt and tightening device
KR20150134946A (en) * 2014-05-23 2015-12-02 주식회사 포스코 Profile and supporter having the same
KR20190000592U (en) * 2017-08-28 2019-03-08 주식회사 에이치에프에이 Mounting members for al profile
KR20190094893A (en) * 2018-02-06 2019-08-14 주식회사 솔라테크 Bolt fastening structure for profile

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6113011U (en) * 1984-06-28 1986-01-25 三芝工業株式会社 Fixing device using bolts
JPS63266204A (en) * 1987-01-21 1988-11-02 ハルフェン　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング　ウント　コンパニー　コマンディートゲゼルシャフト Anchor rail
JPH07127621A (en) * 1993-11-04 1995-05-16 Daiken:Kk Bolt and tightening device
KR20150134946A (en) * 2014-05-23 2015-12-02 주식회사 포스코 Profile and supporter having the same
KR20190000592U (en) * 2017-08-28 2019-03-08 주식회사 에이치에프에이 Mounting members for al profile
KR20190094893A (en) * 2018-02-06 2019-08-14 주식회사 솔라테크 Bolt fastening structure for profile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102468921B1 (en) * 2021-09-28 2022-11-18 이운선 Connecting structure for truss improving productivity and stability

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