KR20030043160A - A screw for fixing plastic - Google Patents

A screw for fixing plastic Download PDF

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Publication number
KR20030043160A
KR20030043160A KR1020010074192A KR20010074192A KR20030043160A KR 20030043160 A KR20030043160 A KR 20030043160A KR 1020010074192 A KR1020010074192 A KR 1020010074192A KR 20010074192 A KR20010074192 A KR 20010074192A KR 20030043160 A KR20030043160 A KR 20030043160A
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KR
South Korea
Prior art keywords
screw
head
fixing
plastic
round
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KR1020010074192A
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Korean (ko)
Inventor
김중배
문동해
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김중배
문동해
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Priority to KR1020010074192A priority Critical patent/KR20030043160A/en
Publication of KR20030043160A publication Critical patent/KR20030043160A/en

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Classifications

    • 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
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks

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

Abstract

PURPOSE: A screw for fixing a plastic member is provided to prevent the plastic member from being broken by adding a reinforcement member at a connection point formed between a lower portion of a head part and a screw part of the screw. CONSTITUTION: A screw(3) includes a head part(11) and a screw part(12). A reinforcement member(31) is added to a connection point between the head part(11) and the screw part(12) of the screw(3). Due to the reinforcement member(31) protruded from a lower portion of the head part(11), the head part(11) is prevented from being separated from the screw part(12) when rotating the head part(11). An inclined portion(32) is formed at an outer peripheral portion of the reinforcement member(31). When the screw(3) is inserted into a screw hole of a fixing member, the inclined portion(32) is inserted into the screw hole, so the screw(3) is precisely fixed in the screw hole.

Description

플라스틱 고정용 나사{A screw for fixing plastic}A screw for fixing plastic

본 발명은 플라스틱을 고정하는 나사에 관한 것으로, 특히 머리의 두께가 얇으며, 플라스틱의 파손을 파손시키지 않는 플라스틱 고정용 나사에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a screw for fixing plastics, and more particularly to a screw for fixing plastics, which has a thin head and does not break plastics.

나사는 도 1a 및 도 1c에서 도시된 바와 같이 플라스틱을 고정하는 나사가 별도로 제작되지 않기 때문에 둥근머리나사(1)나 접시머리나사(2)를 많이 사용하고 있다.1A and 1C, a round head screw 1 or a countersunk head screw 2 is frequently used because the screw for fixing the plastic is not manufactured separately.

강도가 약한 플라스틱을 고정할 때는 도 1a에서 도시된 바와 같이 둥근머리나사(1)는 접시머리나사(2)에 비해 안정적으로 제품을 고정할 수 있지만, 나사부(12)와 머리부(11)를 견고하게 고정하며, 머리부(11)와 나사부(12)가 회전되는 힘에 의해서 분리되는 것을 방지하기 위하여 머리부(11)의 높이(H)를 높게하여 공구로 머리부(11)를 회전시키면 나사부(12)가 같이 회전하면서 나사부(12)가 도 1b에서 도시된 바와 같이 체결부재(5)에 고정되면서 둥근머리나사(1)의 머리부(11)가 위치되는 고정부재(4)를 고정하도록 하고 있으나, 둥근머리나사(1)의 머리부(11)가 외부로 돌출되면 돌출부위의 간섭에 의해 기능이 장애를 받으며, 미관상 좋지 않기 때문에 머리부(11)를 은닉하기 위하여 고정부재(4)에 둥근머리나사(1)의 머리부(11) 높이만큼 머리삽입홈(41)을 형성하여 둥근머리나사(1)의 머리부(11)가 고정부재(4)에 은닉되도록 하였으나 머리부(11)와 나사부(12)가 둥근머리나사(1)를 회전시키는 힘에 의해서 분리되는 것을 방지하기 위하여 둥근머리나사(1)의 머리부(11) 높이(H)를 높게 형성하여 사용하고 있기 때문에 둥근머리나사(1)의 머리부(11)가 삽입되는 머리삽입홈(41)을 형성하기 위해서는 고정부재(4)의 두께(T)가 두꺼워져 재료가 낭비되었으며, 나사부(12)가 체결부재(5)에 체결될 때 나사부(12)가 관통되는 나사관통홈(42)에서 나사부(12)가 이동하여 정확한 위치에 둥근머리나사(1)를 고정하기 어려운 문제점이 발생하였다.When fixing the weak strength plastic as shown in Figure 1a round head screw (1) can be securely fixed to the product compared to the plate head screw (2), but the screw portion 12 and the head portion 11 When the head 11 is rotated with a tool by increasing the height H of the head 11 to prevent the head 11 and the screw 12 from being separated by the rotating force. As the screw portion 12 rotates together, the screw portion 12 is fixed to the fastening member 5 as shown in FIG. 1B, and the fixing member 4 on which the head 11 of the round head screw 1 is positioned is fixed. However, when the head 11 of the round head screw 1 protrudes outward, the function is impaired by the interference of the protruding part, and the fixing member 4 is concealed to conceal the head 11 because it is not aesthetically pleasing. The head insertion groove 41 is formed in the round head screw 1 by the height of the head 11. The head 11 of the head screw 1 is concealed by the fixing member 4, but the head 11 and the threaded part 12 are prevented from being separated by the force of rotating the round head screw 1. In order to form the head insertion groove 41 into which the head 11 of the round head screw 1 is inserted, the head H of the round head screw 1 is formed to be high. The thickness T of the member 4 was thickened, and the material was wasted. When the threaded portion 12 is fastened to the fastening member 5, the threaded portion 12 is removed from the threaded through groove 42 through which the threaded portion 12 passes. There was a problem that it is difficult to move the round head screw (1) in the correct position.

도 1c에서 도시된 바와 같이 접시머리나사(2)는 상기와 같은 둥근머리나사(1)에 비하여 머리부(11)가 경사면으로 형성되어 있어 둥근머리나사(1)보다 고정부재(4)의 두께(T)를 얇게 형성할 수 있고, 경사면을 따라 접시머리나사(2)의 머리부(11)가 이동하기 때문에 정확한 위치에 고정되지만, 고정부재(4)에 형성되어 접시머리나사(2)의 머리부(11)가 삽입되는 머리삽입홈(41)과 접시머리나사(2)의 머리부(11)가 경사면으로 형성되어 있기 때문에 접시머리나사(2)에 과도한 힘으로 회전시키면 접시머리나사(2)의 머리부(11)가 고정부재(4)에 형성된 머리삽입홈(41)으로 계속 삽입되면서 고정부재(4)의 머리삽입홈(41)이 접시머리나사(2)의 경사면에 의해서 파손되는 문제점이 발생하였다.As shown in FIG. 1C, the countersunk head 2 has a head 11 formed in an inclined surface as compared to the round head screw 1 as described above, and thus the thickness of the fixing member 4 is greater than that of the round head screw 1. (T) can be formed thin and fixed at the correct position because the head 11 of the countersunk screw 2 moves along the inclined surface, but is formed on the fixing member 4 to Since the head insertion groove 41 into which the head 11 is inserted and the head 11 of the countersunk screw 2 are formed in an inclined surface, when the countersunk screw 2 is rotated with excessive force, the countersunk screw ( While the head 11 of 2) is continuously inserted into the head insertion groove 41 formed in the fixing member 4, the head insertion groove 41 of the fixing member 4 is damaged by the inclined surface of the countersunk head screw 2. There was a problem.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로, 둥근머리나사처럼 안정적으로 고정되며, 접시머리나사처럼 두께가 얇은 플라스틱 고정용 나사를 제공하는 것이다.The present invention has been made in order to solve the above problems, it is to provide a plastic fixing screw that is stably fixed like a round head screw, a thin thickness like a plate head screw.

본 발명은 경사면에 의해서 정확한 위치에 고정되며, 플라스틱이 파손되는 것을 방지하는 플라스틱 고정용 나사를 제공하는 것이다.The present invention is to provide a plastic fixing screw that is fixed in the correct position by the inclined surface, and prevents plastic from being broken.

이러한 목적을 달성하기 위한 본 발명에 따른 플라스틱 고정용 나사의 특징은, 둥근머리부분의 하부와 나사부분이 연결되는 부위에 형성되는 보강턱을 더 포함하여 이루어지는 것을 특징으로 한다.Features of the plastic fixing screw according to the present invention for achieving this object is characterized in that it further comprises a reinforcing jaw formed in the lower portion of the round head and the portion where the screw portion is connected.

도 1a는 종래 둥근머리나사를 도시한 정면도.Figure 1a is a front view showing a conventional round head screw.

도 1b는 종래 둥근머리나사가 고정되는 상태를 도시한 정면도.Figure 1b is a front view showing a state in which a conventional round head screw is fixed.

도 1c는 종래 접시머리나사가 고정되는 상태를 도시한 정면도.Figure 1c is a front view showing a state where the conventional head screw is fixed.

도 2는 본 발명에 따른 플라스틱 고정용 나사의 바람직한 실시예를 개략적으로 도시한 정면도.Figure 2 is a front view schematically showing a preferred embodiment of the plastic fixing screw according to the present invention.

도 3은 본 발명에 따른 플라스틱 고정용 나사가 고정되는 상태를 도시한 정면도.Figure 3 is a front view showing a state in which the plastic fixing screw according to the invention is fixed.

도 4는 본 발명에 따른 플라스틱 고정용 나사의 다른 실시예를 개략적으로 도시한 정면도.Figure 4 is a front view schematically showing another embodiment of a plastic fixing screw according to the present invention.

이하 본 발명에 따른 플라스틱 고정용 나사에 대한 바람직한 실시예를 도면을 참조하여 상세하게 설명한다.Hereinafter, a preferred embodiment of a plastic fixing screw according to the present invention will be described in detail with reference to the drawings.

먼저 본 발명에 따른 플라스틱 고정용 나사의 일 실시예는 도 2에서 도시된 바와 같이 플라스틱 고정용 나사(3)를 형성하는 머리부(11)와 나사부(12)가 연결되는 머리부(11)의 하부에 보강턱(31)을 돌출되게 형성한다.First, an embodiment of the plastic fixing screw according to the present invention is the head of the head 11 to form a plastic fixing screw 3 and the screw portion 12 is connected as shown in FIG. The reinforcing jaw 31 is formed to protrude from the bottom.

나사부(12)와 연결되는 머리부(11)의 하부에는 돌출되게 보강턱(31)을 형성하기 때문에 머리부(11)의 두께(t)는 낮아져도 보강턱(31)에 의해서 머리부(11)가 보강되기 때문에 둥근머리나사(1)를 회전시키는 힘에 의해서 머리부(11)와 나사부(12)가 서로 파손되는 것을 방지한다.Since the reinforcing jaw 31 is formed to protrude from the lower part of the head 11 connected to the screw part 12, the head 11 is formed by the reinforcing jaw 31 even if the thickness t of the head 11 is lowered. ), The head 11 and the threaded portion 12 are prevented from being damaged by each other by the force of rotating the round head screw 1.

상기와 같이 플라스틱 고정용 나사(3)의 머리부(11) 하부에 돌출되게 형성되는 보강턱(31)이 플라스틱 고정용 나사(3)의 머리부(11)와 연결되는 부분에는 경사면(32)을 형성한다.As described above, the inclined surface 32 is formed at the portion where the reinforcing jaw 31 formed to protrude below the head 11 of the plastic fixing screw 3 is connected to the head 11 of the plastic fixing screw 3. To form.

플라스틱 고정용 나사(3)의 머리부(11)와 보강턱(31)이 연결되는 부분에 형성되는 경사면(32)은 플라스틱 고정용 나사(3)를 도 3에서 도시된 바와 같이 고정부재(4)의 나사관통홈(42)에 삽입될 때 경사면(32)이 나사관통홈(42)으로 삽입되면서 경사면(32)에 의해 정확한 위치에 고정되도록 한다.The inclined surface 32 formed at the portion where the head 11 and the reinforcing jaw 31 of the plastic fixing screw 3 are connected to the fixing member 4 is provided with the plastic fixing screw 3 as shown in FIG. 3. When inserted into the screw through groove 42 of the inclined surface 32 is inserted into the screw through groove 42 to be fixed in the correct position by the inclined surface (32).

상기와 같은 구멍으로 형성되는 본 발명은 머리삽입홈(41)이 형성된 고정부재(4)와 체결부재(5)를 밀착시키고, 고정부재(4)의 머리삽입홈(41)과 나사관통홈(42)에 플라스틱 고정용 나사(3)의 나사부(12)를 삽입하고, 공구로 플라스틱 고정용 나사(3)의 머리부(11)를 회전시킨다.The present invention is formed by the hole as described above is in close contact with the fixing member 4 and the fastening member 5, the head insertion groove 41 is formed, the head insertion groove 41 and the screw through groove ( The threaded portion 12 of the plastic fixing screw 3 is inserted into 42, and the head 11 of the plastic fixing screw 3 is rotated with a tool.

이때, 플라스틱 고정용 나사(3)의 머리부(11)의 하부에 보강턱(31)이 형성되어 있어 머리부(11)의 높이(h)가 낮기 때문에 고정부재(4)의 두께(t)도 머리부(11)와 같이 얇게 형성한다.At this time, since the reinforcement jaw 31 is formed at the lower part of the head 11 of the plastic fixing screw 3 and the height h of the head 11 is low, the thickness t of the fixing member 4 is lowered. Also formed as thin as the head (11).

플라스틱 고정용 나사(3)의 머리부(11)를 회전시키면 머리부(11)와 보강턱(31)으로 연결된 나사부(12)가 회전하면서 체결부재(5)로 삽입된다.Rotating the head portion 11 of the plastic fixing screw 3 is inserted into the fastening member 5 while rotating the screw portion 12 connected to the head portion 11 and the reinforcing jaw 31.

나사부(12)가 고정부재(4)에 형성되는 나사관통홈(42)을 관통하여 체결부재(5)에 삽입될 때 플라스틱 고정용 나사(3)의 머리부(11)는 고정부재(4)의 머리삽입홈(41)에 삽입된다.When the screw portion 12 is inserted into the fastening member 5 through the screw through groove 42 formed in the fixing member 4, the head 11 of the plastic fixing screw 3 is fixed to the fixing member 4. Is inserted into the head insertion groove 41.

상기와 같이 플라스틱 고정용 나사(3)의 머리부(11)가 고정부재(4)의 머리삽입홈(41)에 삽입될 때 머리부(11)의 하부에 형성된 보강턱(31)과 머리부(11)가 연결되는 부분은 경사면(32)으로 형성되어 있기 때문에 머리부(11)가 고정부재(4)의 머리삽입홈(41)에 삽입되면서 머리삽입홈(41)의 바닥면과 밀착될 때 보강턱(31)의 경사면(32)이 나사관통홈(42)으로 삽입되면서 머리부(11)와 머리삽입홈(41)이 밀착되면서 고정부재(4)와 체결부재(5)가 고정된다.As described above, when the head 11 of the plastic fixing screw 3 is inserted into the head insertion groove 41 of the fixing member 4, the reinforcing jaw 31 and the head formed at the bottom of the head 11 are fixed. Since the part 11 is connected to the inclined surface 32, the head 11 is inserted into the head insertion groove 41 of the fixing member 4, so that the head 11 is in close contact with the bottom surface of the head insertion groove 41. When the inclined surface 32 of the reinforcing jaw 31 is inserted into the screw through groove 42, the head 11 and the head insertion groove 41 is in close contact with the fixing member 4 and the fastening member 5 are fixed. .

나사부(12)가 체결부재(5)에 회전하면서 삽입되어 보강턱(31)의 경사면(32)이 고정부재(4)의 나사관통홈(42)과 밀착될 때 경사면(32)에 의해서 플라스틱 고정용 나사(3)가 정확한 위치에 고정되면서 고정부재(4)의 머리삽입홈(41)에 은닉된다.The screw part 12 is inserted into the fastening member 5 while being rotated so that the inclined surface 32 of the reinforcing jaw 31 is fixed to the plastic by the inclined surface 32 when the inclined surface 32 is in close contact with the screw through groove 42 of the fixing member 4. The fastening screw 3 is hidden in the head insertion groove 41 of the fixing member 4 while being fixed at the correct position.

도 4는 본 발명의 다른 실시예를 도시한 것으로, 플라스틱 고정용 나사(3)의 머리부(11)와 보강턱(31)의 연결되는 부분을 라운드(33)로 형성한 것이며, 고정방법은 경사면(32)과 같이 고정되므로 생략한다.4 is a view showing another embodiment of the present invention, wherein the head 11 of the plastic fixing screw 3 and the reinforcing jaw 31 are connected to each other by a round 33. Since it is fixed like the inclined surface 32, it is omitted.

상기에서는 본 발명에 따른 플라스틱 고정용 나사에 대한 바람직한 실시예에 대하여 설명하였지만, 본 발명은 이에 한정되는 것이 아니고 특허청구범위와 발명의 상세한 설명 및 첨부한 도면의 범위 안에서 여러 가지로 변형하여 실시하는 것이 가능하고, 이 또한 본 발명에 속한다.In the above, a preferred embodiment of the plastic fixing screw according to the present invention has been described, but the present invention is not limited thereto, and various modifications are made within the scope of the claims and the detailed description of the invention and the accompanying drawings. It is possible and this also belongs to the present invention.

본 발명은 둥근머리나사와 접시머리나사의 장점을 규합한 것으로, 고정부재의 머리삽입홈에 삽입되는 머리부와 나사부가 연결되는 둥근머리의 하부에 보강턱을 형성하여 강도를 보강하기 때문에 머리부의 두께가 얇아지므로 머리부가 삽입되는 머리삽입홈이 형성되는 고정부재가 얇게 형성되도 둥근머리부분을 고정부재에 은닉시킬 수 있기 때문에 고정부재의 두께를 얇게하여 재료를 절감할 수 있는 효과가 제공되는 것이다.The present invention combines the advantages of the round head screw and the countersunk head screw, since the reinforcing jaw is formed in the lower part of the round head connected to the head and the screw is inserted into the head insertion groove of the fixing member to reinforce the strength Since the thickness is thinner, the round head can be concealed in the fixing member even if the fixing member in which the head insertion groove into which the head is inserted is formed is thin. Therefore, the thickness of the fixing member can be reduced to reduce the material. .

본 발명은 둥근머리부분의 하부에서 나사부와 연결되는 보강턱이 둥근머리부분과 경사면으로 형성되어 있기 때문에 경사면이 고정부재에 형성되는 나사관통홈을 타고 삽입되면서 정확한 위치에 고정되는 효과가 제공되는 것이다.According to the present invention, since the reinforcing jaw connected to the screw portion at the bottom of the round head is formed of the round head and the inclined surface, the inclined surface is inserted into the screw through groove formed in the fixing member, thereby providing the effect of being fixed at the correct position. .

본 발명은 고정부재와 밀착되는 부분이 넓적한 둥근머리로 형성되어 있기 때문에 고정부재에 형성되는 머리삽입홈의 단부에 둥근머리부분이 삽입되도 머리삽입홈과 머리부가 서로 밀착되면서 고정되기 때문에 경사면에 의해서 플라스틱이 파손되는 것을 방지하는 효과가 제공되는 것이다.According to the present invention, since the part in close contact with the fixing member is formed with a wide round head, the head insertion groove and the head are fixed while being in close contact with each other even when the round head is inserted into the end of the head insertion groove formed in the fixing member. The effect is to prevent the plastic from breaking.

Claims (3)

둥근머리부분의 하부와 나사부분이 연결되는 부위에 형성되는 보강턱을 더 포함하여 이루어지는 것을 특징으로 하는 플라스틱 고정용 나사.Plastic fixing screw, characterized in that further comprises a reinforcing jaw formed in a portion where the lower portion of the round head and the screw portion is connected. 제 1항에 있어서; 상기 보강턱과 머리부분이 연결되는 단부를 경사면으로 형성하는 것을 특징으로 하는 플라스틱 고정용 나사.The method of claim 1; Plastic fixing screw, characterized in that for forming the end of the reinforcing jaw and the head portion is connected to the inclined surface. 제 1항에 있어서; 상기 보강턱과 머리부분이 연결되는 단부를 라운드로 형성하는 것을 특징으로 하는 플라스틱 고정용 나사.The method of claim 1; Plastic fixing screw, characterized in that to form a round end of the reinforcing jaw and the head portion is connected.
KR1020010074192A 2001-11-27 2001-11-27 A screw for fixing plastic KR20030043160A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104417U (en) * 1988-01-05 1989-07-14
KR19980042152A (en) * 1996-11-07 1998-08-17 랄프 홀거 베렌스, 만프레드 크네취 Fixing screws and threaded joints having the fixing screws
JP2000027830A (en) * 1998-04-03 2000-01-25 Uli Walther Screw used as fastener of fibrous material such as lumber
JP2000266020A (en) * 1999-03-16 2000-09-26 Max Co Ltd Screw and screw fastening method
JP2001116021A (en) * 1999-09-22 2001-04-27 Andreas Stihl:Fa Component member fixing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01104417U (en) * 1988-01-05 1989-07-14
KR19980042152A (en) * 1996-11-07 1998-08-17 랄프 홀거 베렌스, 만프레드 크네취 Fixing screws and threaded joints having the fixing screws
JP2000027830A (en) * 1998-04-03 2000-01-25 Uli Walther Screw used as fastener of fibrous material such as lumber
JP2000266020A (en) * 1999-03-16 2000-09-26 Max Co Ltd Screw and screw fastening method
JP2001116021A (en) * 1999-09-22 2001-04-27 Andreas Stihl:Fa Component member fixing device

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