KR20090032367A - Bolt for anti-loose - Google Patents

Bolt for anti-loose Download PDF

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Publication number
KR20090032367A
KR20090032367A KR1020070097546A KR20070097546A KR20090032367A KR 20090032367 A KR20090032367 A KR 20090032367A KR 1020070097546 A KR1020070097546 A KR 1020070097546A KR 20070097546 A KR20070097546 A KR 20070097546A KR 20090032367 A KR20090032367 A KR 20090032367A
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KR
South Korea
Prior art keywords
bolt
thread
fastening
head
bolt body
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KR1020070097546A
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Korean (ko)
Inventor
이원경
Original Assignee
콘티넨탈 오토모티브 시스템 주식회사
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Priority to KR1020070097546A priority Critical patent/KR20090032367A/en
Publication of KR20090032367A publication Critical patent/KR20090032367A/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
    • 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
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/284—Locking by means of elastic deformation
    • 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
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
    • F16B39/34—Locking by deformable inserts or like parts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bolts, Nuts, And Washers (AREA)

Abstract

An anti-loose bolt is provided to prevent the loosening of the bolt fastened to machine components as the maintaining member is pushed to the bolt head by the elastic member and the friction between the screw thread of the maintenance member and that of the machine component is increased. An anti-loose bolt comprises a bolt body(10) consisting of a head(10A) and a fastening part(10B) having screw thread(11) on the outside surface, wherein a cut groove(12) is formed through the head and the fastening part; a maintenance member(20) having screw thread(21) formed on the outside surface and inserted in the cut groove with a step difference in order to compensate the cut portion of the fastening part; and an elastic member(30) provided between maintenance member and the cut groove and applying an elastic force pushing the maintenance member to the head of the bolt body.

Description

풀림 방지용 볼트{BOLT FOR ANTI-LOOSE}Loosen bolts {BOLT FOR ANTI-LOOSE}

본 발명은 풀림 방지용 볼트에 관한 것으로, 특히 기계부품 등에 체결된 볼트의 풀림을 방지함과 아울러, 보안이 필요한 기계부품 등의 체결도구로 사용할 수있는 풀림 방지용 볼트에 관한 것이다.The present invention relates to an anti-loosening bolt, and more particularly, to an anti-loosening bolt that can be used as a fastening tool for a machine part or the like, which prevents loosening of a bolt fastened to a machine part or the like.

일반적으로, 기계나 장치 등은 많은 부품이 조립되어 하나의 장치를 형성하게 되는데, 부품과 부품을 조립하는 수단으로는 흔히 볼트를 많이 사용하고 있다.In general, a machine or a device, such as a number of parts are assembled to form a single device, as a means of assembling parts and parts often use a lot of bolts.

이러한 볼트는 체결하고자 하는 부품에 암나사를 형성하고 나사산으로 조여 부품을 체결하는 것인데 진동을 받는 경우 나사가 풀리며 체결력이 저하되어 안전 사고 등을 유발할 수 있어 견고한 체결력이 유지되는 장치에는 풀림 방지용 볼트가 사용되고 있다.These bolts form a female thread on the part to be fastened and tighten the parts by tightening with a thread.In case of vibration, the screws are loosened and the fastening force may be reduced, which may cause a safety accident. have.

상기한 볼트의 풀림 방지용 수단으로는 여러 가지 기술이 사용되고 있는데, 통상 와셔 또는 플랜지 부분에 세레이션 등을 가공하여 나사의 풀림을 방지하는 방식이 많이 사용되고 있다.Various techniques are used as the means for preventing loosening of the bolt, and a method of preventing loosening of a screw by processing a serration or the like on a washer or a flange portion is commonly used.

그러나, 종래의 와셔나 세레이션 등에 의한 볼트의 풀림을 방지하는 방식은 볼트의 체결력을 크게 요하는 경우에 큰 조임력을 견디지 못하고 영구 변형을 가져 와 사용 수명이 짧아지는 문제가 있다.However, the conventional method of preventing loosening of bolts by washers or serrations has a problem in that the fastening force of the bolts does not endure a large tightening force and brings about permanent deformation and shorten the service life.

본 발명은 상기와 같은 종래기술의 문제점을 해소하기 위하여 안출한 것으로, 본 발명의 목적은 볼트에 형성되는 나사산의 마찰력을 높여서 기계부품 등에 체결된 볼트의 풀림을 방지할 수 있도록 한 풀림 방지용 볼트를 제공하는 데 있다.The present invention has been made in order to solve the problems of the prior art as described above, an object of the present invention is to increase the frictional force of the thread formed on the bolt to prevent loosening bolts to prevent loosening of the bolts fastened to mechanical parts, etc. To provide.

또한, 본 발명의 다른 목적은 보안이 필요한 기계부품 등의 체결도구로 사용할 수 있도록 한 풀림 방지용 볼트를 제공하는 데 있다.In addition, another object of the present invention to provide a bolt for preventing loosening to be used as a fastening tool for machine parts, such as security.

상기한 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,

머리부 및 상기 머리부의 일측에 축 형상으로 형성되어 외주연에 나사산이 형성되는 체결부로 이루어지고, 상기 머리부에서 체결부 방향으로 절개되어 형성되는 절개홈을 구비한 볼트몸체;A bolt body having a head portion and a fastening portion formed in an axial shape on one side of the head portion and having a screw thread formed on an outer circumference thereof, and having a cutting groove formed by being cut in the direction of the fastening portion from the head portion;

상기 볼트몸체에 형성되는 절개홈에 의해 상실된 체결부의 나사산을 보전하기 위해서 외주연에 형성되는 나사산이 상기 체결부의 나사산과 단차를 가지도록 절개홈에 끼움 설치되는 보전부재; 및A preservation member fitted to the incision groove so that a screw thread formed on an outer circumference thereof has a step with the thread of the fastening portion to preserve the thread of the fastening portion lost by the incision groove formed in the bolt body; And

상기 보전부재와 절개홈 사이에 설치되고 상기 보전부재를 볼트몸체의 머리부 방향으로 밀려는 탄성력을 제공하는 탄성부재를 구비한 것을 특징으로 하는 풀림 방지용 볼트를 제공한다.It is provided between the maintenance member and the cutting groove provides an anti-loosening bolt, characterized in that provided with an elastic member for providing an elastic force for pushing the maintenance member toward the head of the bolt body.

또한, 상기 탄성부재는 스프링으로 형성된 것이다.In addition, the elastic member is formed of a spring.

본 발명에 의한 풀림 방지용 볼트는 기계부품 등에 체결 후 볼트몸체의 절개홈에 설치된 보전부재가 탄성부재에 의해 볼트몸체의 머리부 방향으로 밀려 보전부재의 나사산과 기계부품에 형성된 나사산의 마찰력이 높아지게 되어 체결된 볼트의 풀림을 방지할 수 있는 유용한 효과를 갖는다.In the bolt for preventing loosening according to the present invention, after the fastening member is installed in the cutting groove of the bolt body after being fastened to a mechanical part, the frictional force between the thread of the retaining member and the thread formed on the mechanical part is increased by the elastic member being pushed toward the head of the bolt body. It has a useful effect that can prevent loosening of the fastened bolt.

또한, 특수한 체결공구에 의해서 볼트가 체결되므로, 보안이 필요한 기계부품 등의 체결도구로 사용할 수 있는 이점을 갖는다.In addition, since the bolt is fastened by a special fastening tool, there is an advantage that can be used as a fastening tool, such as mechanical components that require security.

이하, 본 발명의 바람직한 실시 예에 따른 풀림 방지용 볼트에 대하여 첨부된 도면을 참조하여 상세하게 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings for the bolt for preventing loosening according to a preferred embodiment of the present invention will be described in detail.

본 발명에 따른 풀림 방지용 볼트는, 도 1 및 도 2를 참조하면, 머리부(10A) 및 머리부(10A)의 일측에 축 형상으로 형성되는 체결부(10B)로 이루어지고 머리부(10A)에서 체결부(10B)의 축 방향으로 절개홈(12)이 형성되는 볼트몸체(10), 그 볼트몸체(10)의 절개홈(12)에 끼움 설치되는 보전부재(20), 그리고 그 보전부재(20)와 절개홈(12) 사이에 설치되고 보전부재(20)를 볼트몸체(10)의 머리부(10A) 방향으로 밀려는 탄성력을 제공하는 탄성부재(30)로 구성된다.1 and 2, the anti-loosening bolt according to the present invention comprises a fastening portion 10B formed in a shaft shape on one side of the head portion 10A and the head portion 10A and the head portion 10A. In the axial direction of the fastening portion (10B) in the bolt body 10 is formed, the preservation member 20 is fitted to the cutting groove 12 of the bolt body 10, and the maintenance member It is composed of an elastic member 30 is provided between the (20) and the incision groove 12 and provides an elastic force to push the preservation member 20 in the direction of the head portion 10A of the bolt body (10).

이를 더욱 상세히 설명하면, 볼트몸체(10)의 머리부(10A)는 원형, 사각 및 육각 형상으로 형성될 수 있으며, 본 실시 예에서는 육각 형상으로 형성된 것이 도시되어 있다.To describe this in more detail, the head portion 10A of the bolt body 10 may be formed in a circular, square and hexagonal shape, and in this embodiment, the one formed in the hexagonal shape is illustrated.

또한, 체결부(10B)의 외주연에는 나사산(11)이 형성되어 있다.Moreover, the thread 11 is formed in the outer periphery of the fastening part 10B.

또, 절개홈(12)은 머리부(10A)의 선단에서 체결부(10B)의 축 방향으로 일정 한 폭으로 절개되도록 형성되어 있다. 볼트몸체(10)의 축 방향으로 절개홈(12)이 형성됨으로써 체결부(10B)는 외주연에 형성되는 나사산(11)의 일부를 상실하게 된다.In addition, the cutting groove 12 is formed to be cut at a constant width in the axial direction of the fastening portion 10B at the tip of the head portion 10A. As the cutting groove 12 is formed in the axial direction of the bolt body 10, the fastening part 10B loses a part of the thread 11 formed on the outer circumference.

보전부재(20)는 절개홈(12)과 부합되도록 형성되고 그 외주연는 체결부(10B)의 상실된 나사산(11)을 보전하기 위한 나사산(21)이 형성되어 절개홈(12)에 끼움 설치되어 있다. 이때, 보전부재(20)는 체결부(10B)의 나사산(11)과 보전부재(20)의 나사산(21)이 일정한 단차를 가지도록 절개홈(12)에 끼움 설치된다.The preservation member 20 is formed to match the incision groove 12 and the outer periphery is formed threaded thread 21 for holding the lost thread 11 of the fastening portion 10B is fitted into the incision groove 12 have. At this time, the maintenance member 20 is fitted to the cutting groove 12 so that the screw thread 11 of the fastening portion 10B and the screw thread 21 of the retaining member 20 have a predetermined step.

탄성부재(30)는 볼트몸체(10)의 절개홈(12)과 보전부재(20) 사이에 설치되어 보전부재(20)를 볼트몸체(10)의 머리부(10A) 방향으로 밀려는 탄성력을 제공하는 역할을 하게 된다.The elastic member 30 is installed between the cutting groove 12 and the maintenance member 20 of the bolt body 10 to push the elastic force to push the maintenance member 20 toward the head portion 10A of the bolt body 10. To serve.

또한, 탄성부재(30)는 공지의 스프링, 고무 등을 채택하는 것이 바람직하나, 굳이 이에 한정하지는 아니한다.In addition, the elastic member 30 is preferably adopted a known spring, rubber, etc., but is not necessarily limited thereto.

이러한 구성을 갖는 본 발명의 작용을 설명하면 다음과 같다.Referring to the operation of the present invention having such a configuration as follows.

각종 기계부품 등의 상호 조립을 위한 볼트의 체결시 볼트몸체(10)를 기계부품의 체결위치에 위치시킨 상태에서 별도의 체결공구(도면에 미도시)로 보전부재(20)를 눌러주게 되면, 체결부(10B)의 상실된 나사산(11)이 보전되도록 보전부재(20)가 절개홈(12) 내로 끼움되어 보전부재(20)의 나사산(21)과 체결부(10B)의 나사산(11)이 일치되므로 볼트의 체결이 가능해진다.When the bolts for the mutual assembly of various mechanical parts, etc. when pressing the maintenance member 20 with a separate fastening tool (not shown in the drawing) while the bolt body 10 is located at the fastening position of the mechanical parts, The preservation member 20 is fitted into the incision groove 12 so that the lost thread 11 of the fastening portion 10B is retained so that the thread 21 of the preservation member 20 and the thread 11 of the fastening portion 10B are secured. As a result, the bolt can be tightened.

즉, 보전부재(20)는 볼트의 미체결시 체결부(10B)의 나사산(11)과 보전부재(20)의 나사산(21)이 일정한 단차를 가지도록 절개홈(12)에 설치된 상태로 유지 되어 볼트를 체결할 수 없고, 볼트의 체결시에는 체결부(10B)의 상실된 나사산(11)이 보전되도록 체결공구에 의해 보전부재(20)의 나사산(21)이 체결부(10B)의 나사산(11)과 일치되어 볼트의 체결이 가능하게 된다.That is, the preservation member 20 is maintained in a state in which the thread 11 of the fastening portion 10B and the thread 21 of the preservation member 20 are installed in the cutting groove 12 so as to have a constant step when the bolt is not fastened. The bolt 21 of the retaining member 20 is held by the fastening tool so that the lost thread 11 of the fastening portion 10B is retained when the bolt is fastened. In accordance with 11), the bolt can be tightened.

이러한 상태에서 볼트를 기계부품에 체결하게 되며, 볼트의 체결 후에는 보전부재(20)가 탄성부재(30)의 탄성력에 의해 절개홈(12) 내에서 볼트몸체(10)의 머리부(10A) 방향으로 밀리게 되어 보전부재(20)의 나사산(21)과 기계부품에 형성된 나사산의 마찰력이 높아지게 되므로 체결된 볼트의 풀림을 방지할 수 있다.In this state, the bolt is fastened to the mechanical part, and after the bolt is fastened, the maintenance member 20 is the head portion 10A of the bolt body 10 in the incision groove 12 by the elastic force of the elastic member 30. It is pushed in the direction and the frictional force between the screw thread 21 formed in the maintenance member 20 and the mechanical parts is increased, it is possible to prevent the loosening of the fastened bolt.

또한, 볼트의 체결을 위해서는 특수한 체결공구가 필요하게 되므로, 보안이 필요한 기계부품 등의 체결도구로 사용하여 중요한 기계의 안전적인 운용과 핵심적인 기계부품의 도난을 방지할 수 있다.In addition, a special fastening tool is required to fasten the bolts, so that it can be used as a fastening tool such as a machine part requiring security, thereby preventing the safe operation of important machines and theft of key machine parts.

한편, 도면에 도시되지 않았지만, 볼트몸체(10)에 형성되는 절개홈(12)을 십자형상 등 다양한 형상으로 형성하고, 보전부재(20)를 절개홈(12)에 대응되도록 형성하여 볼트의 풀림을 방지할 수도 있을 것이다.On the other hand, although not shown in the drawing, the incision groove 12 formed in the bolt body 10 is formed in various shapes such as a cross shape, and the maintenance member 20 is formed to correspond to the incision groove 12 to loosen the bolts May be prevented.

이상에서는 본 발명을 실시 예로써 설명하였으나, 본 발명은 상기한 실시 예에 한정되지 아니하며, 특허청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형이 가능할 것이다.The present invention has been described above by way of example, but the present invention is not limited to the above-described embodiment, and those skilled in the art to which the present invention pertains without departing from the gist of the present invention claimed in the claims. Anyone can make a variety of variations.

도 1은 본 발명의 바람직한 실시 예에 따른 풀림 방지용 볼트를 나타낸 분해 사시도, 그리고1 is an exploded perspective view showing a bolt for preventing loosening according to a preferred embodiment of the present invention, and

도 2a와 도 2b는 본 발명에 따른 풀림 방지용 볼트의 사용상태도이다.Figure 2a and 2b is a state diagram used in the bolt for preventing loosening according to the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10 : 볼트몸체 10A : 머리부10: bolt body 10A: head

10B : 체결부 11 : 나사산10B: Fastening Part 11: Thread

12 : 절개홈 12: incision groove

20 : 보전부재 21 : 나사산20: maintenance member 21: thread

30 : 탄성부재30: elastic member

Claims (2)

머리부(10A) 및 상기 머리부(10A)의 일측에 축 형상으로 형성되어 외주연에 나사산(11)이 형성되는 체결부(10B)로 이루어지고, 상기 머리부(10A)에서 체결부(10B) 방향으로 절개되어 형성되는 절개홈(12)을 구비한 볼트몸체(10);It consists of a fastening portion (10B) is formed in a shaft shape on one side of the head portion (10A) and the head portion (10A) is formed on the outer periphery, the fastening portion (10B) in the head portion (10A) Bolt body 10 having a cutting groove 12 is formed by cutting in the () direction; 상기 볼트몸체(10)에 형성되는 절개홈(12)에 의해 상실된 체결부(10B)의 나사산(11)을 보전하기 위해서 외주연에 형성되는 나사산(21)이 상기 체결부(10B)의 나사산(21)과 단차를 가지도록 절개홈(12)에 끼움 설치되는 보전부재(20); 및The thread 21 formed on the outer periphery of the thread 11 of the fastening part 10B is used to maintain the thread 11 of the fastening part 10B lost by the cutting groove 12 formed in the bolt body 10. 21) and the maintenance member 20 is fitted to the incision groove 12 to have a step; And 상기 보전부재(20)와 절개홈(12) 사이에 설치되고 상기 보전부재(20)를 상기 볼트몸체(10)의 머리부(10A) 방향으로 밀려는 탄성력을 제공하는 탄성부재(30)를 구비한 것을 특징으로 하는 풀림 방지용 볼트.It is provided between the holding member 20 and the cutting groove 12 and provided with an elastic member 30 for providing an elastic force for pushing the holding member 20 toward the head portion 10A of the bolt body 10. A bolt for preventing loosening, characterized in that one. 청구항 1에 있어서, 상기 탄성부재(30)는 스프링으로 형성된 것을 특징으로 하는 풀림 방지용 볼트.The anti-loosening bolt according to claim 1, wherein the elastic member (30) is formed of a spring.
KR1020070097546A 2007-09-27 2007-09-27 Bolt for anti-loose KR20090032367A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331890B1 (en) * 2012-01-20 2013-11-21 이호섭 Anchor bolt
CN110332206A (en) * 2019-07-24 2019-10-15 海盐华胜紧固件有限公司 A kind of cold-resistant nut assembly of railway
CN112065838A (en) * 2019-06-11 2020-12-11 天津华能北方热力设备有限公司 Spring combination locking connecting piece

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101331890B1 (en) * 2012-01-20 2013-11-21 이호섭 Anchor bolt
CN112065838A (en) * 2019-06-11 2020-12-11 天津华能北方热力设备有限公司 Spring combination locking connecting piece
CN110332206A (en) * 2019-07-24 2019-10-15 海盐华胜紧固件有限公司 A kind of cold-resistant nut assembly of railway

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