KR20040030034A - The prevention nut which comes loose - Google Patents
The prevention nut which comes loose Download PDFInfo
- Publication number
- KR20040030034A KR20040030034A KR1020040019078A KR20040019078A KR20040030034A KR 20040030034 A KR20040030034 A KR 20040030034A KR 1020040019078 A KR1020040019078 A KR 1020040019078A KR 20040019078 A KR20040019078 A KR 20040019078A KR 20040030034 A KR20040030034 A KR 20040030034A
- Authority
- KR
- South Korea
- Prior art keywords
- nut
- auxiliary
- bolt
- screw portion
- female
- Prior art date
Links
- 230000002265 prevention Effects 0.000 title 1
- 238000000034 method Methods 0.000 claims description 4
- 230000002250 progressing effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 1
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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
- F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts
- F16B39/16—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts in which the screw-thread of the locknut differs from that of the nut
- F16B39/18—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts in which the screw-thread of the locknut differs from that of the nut in which the locknut grips with screw-thread in the nuts as well as on the bolt
Abstract
Description
본 발명은 풀림 방지되는 너트에 관한 것으로, 종래의 경우 일반적으로 체결하고자 하는 체결부재에 볼트와 너트를 이용하여 체결하는 과정에서 풀림 방지 되도록 무리한 힘을 가해 꽉 조여주게 되면, 나사부가 파손될 우려가 있고 나사부가 파손되지 않게 꽉 조여도, 미세한 진동이나 사용 중 충격에 의해 시간이 지나면 볼트의 수나사부에서 너트가 풀림이 발생되었으며, 이를 방지하기 위해 탄성와셔를 같이 사용하거나, 너트 두개를 같이 조여 마찰저항면을 많게 하여 풀림을 방지하는 방법이 사용되어 왔으나 너트 두 개가 일체형으로 구성되어 체결된 것이 아니라 이 또한, 장시간 사용 중 너트가 각각 풀림이 발생하여 안전상 위험한 상황을 초래할 우려가 많았고, 풀린 너트를 다시 조여 줘야 되는 시간적, 경제적인 손실과 불편함이 발생하였다.The present invention relates to a nut that is prevented from loosening, and in the related art, if a screw is applied to the fastening member to be tightened by applying excessive force to prevent loosening in the process of fastening using a bolt and a nut, there is a fear that the screw part is damaged. Even if the screw is tightened so as not to be damaged, the nut is loosened from the male screw part of the bolt after time due to minute vibration or impact during use.To prevent this, use an elastic washer together or tighten the two nuts together to reduce the frictional resistance. The method of preventing loosening by increasing the number of sides has been used, but the two nuts are not integrally formed and fastened.In addition, there are many concerns that the nuts may loosen during long-term use, resulting in a safety hazard. The time and economic losses and inconveniences that need to be tightened occurred.
이에 본 발명은 상기와 같이 체결부재를 볼트의 수나사부에 너트를 이용하여 체결하는 종래 과정에서 발생하는 제반 문제점을 해결하기 위하여 발명된 것으로, 너트 두 개를 체결하여 일체 되게 구성하고 각 너트의 암나사부의 마찰저항면이 볼트의 수나사부의 마찰저항면과 엇갈리게 해서 볼트의 수나사부에서 너트가 풀리지 않도록 하여 안전하며 풀린 너트를 다시 조여줘야 되는 시간적, 경제적인 손실과 불편함을 줄이기 위한 풀림 방지되는 너트를 제공코자 함을 목적으로 한다.Therefore, the present invention was invented to solve various problems arising in the conventional process of fastening the fastening member to the male screw part of the bolt using a nut as described above. The two nuts are integrally formed and the female screw of each nut. Anti-loosening nut to prevent the nut from loosening from the male threaded part of the bolt by staggering the frictional resistance side of the bolt with the frictional resistance side of the bolt, to reduce the time and economic loss and inconvenience of retightening the loosened nut. The purpose is to provide.
도 1은 본 발명에 의한 풀림 방지되는 너트의 분해 측면도1 is an exploded side view of a nut that is prevented loosening according to the present invention
도 2는 본 발명의 체결상태 반단면도Figure 2 is a cross-sectional view of the fastening state of the present invention
도 3은 본 발명의 풀림방지 작용상태 반단면도Figure 3 is a half-sectional view of the anti-loosening action state of the present invention
도 4는 본 발명의 요부 확대 단면도4 is an enlarged cross-sectional view of the main part of the present invention;
-- 도면중 주요 부분에 대한 부호의 설명 ---Explanation of symbols for the main parts of the drawing-
10: 볼트 10a: 수나사부10: bolt 10a: male threaded portion
20: 체결부재 20a: 체결구20: fastening member 20a: fastener
25: 다각형부 30: 제1너트25: polygonal portion 30: first nut
30a: 보조수나사부 30b: 제1암나사부30a: auxiliary male thread part 30b: first female thread part
40: 제2너트 40a: 보조암나사부40: second nut 40a: auxiliary female thread
40b: 제2암나사부 50: 제1마찰저항면40b: 2nd female thread part 50: 1st friction resistance surface
60: 제2마찰저항면60: second friction resistance surface
본 발명의 풀림 방지되는 너트는 도1, 도2, 도3, 도4를 참조하여 자세한 구성을 설명하면 다음과 같다.The nut to be loosened of the present invention will be described in detail with reference to FIGS. 1, 2, 3, and 4 as follows.
제1너트(30)는 회전시켜 체결이 용이하도록 다각형부(25)가 형성되고, 제2너트(40)에 체결되도록 보조수나사부(30a)를 형성하며, 볼트(10)의 수나사부(10a)에 체결되도록 체결진행방향이 같은 제1암나사부(30b)를 형성하고, 제2너트(40)에도 제1너트(30)와 동일한 다각형부(25)가 형성되고, 제1너트(30)의 보조수나사부(30a)에 체결되도록 체결진행방향이 같은 보조암나사부(40a)를 형성하고, 볼트(10)의 수나사부(10a)에 체결되도록 체결진행방향이 같은 제2암나사부(40b)를 형성하여, 제1너트(30)의 보조수나사부(30a)에 제2너트(40)의 보조암나사부(40a)를 체결하여 일체 되도록 구성하였다.The first nut 30 has a polygonal portion 25 formed therein so as to be easily fastened by rotation, and forms an auxiliary male thread portion 30a to be fastened to the second nut 40, and the male thread portion 10a of the bolt 10. The first female screw portion 30b having the same fastening progression direction is formed so as to be fastened to the same position), and the same polygonal portion 25 as the first nut 30 is formed on the second nut 40, and the first nut 30 is formed. The second female screw portion 40b having the same fastening direction as the fastening direction is formed to be fastened to the auxiliary male screw portion 30a of the bolt 10, and the same fastening direction is fastened to the male threading portion 10a of the bolt 10. Was formed to fasten the auxiliary female screw portion (40a) of the second nut 40 to the auxiliary male screw portion (30a) of the first nut (30).
본 발명의 상기 구성 중에서 제1너트(30)의 보조수나사부(30a)의 바깥지름은 제1암나사부(30b)의 지름보다 크게 형성한 것이며, 제2너트(40)의 보조암나사부(40a)는 제1너트(30)의 보조수나사부(30a)를 원활히 체결되도록 동일한 지름으로 형성한 것이며, 제1너트(30)의 제1암나사부(30b)와, 제2너트(40)의 제2암나사부(40b)는 볼트(10)의 수나사부(10a)와 원활히 체결되도록 동일한 지름으로 형성된 것이며, 제1너트(30)의 보조수나사부(30a)와 제2너트(40)의 보조암나사부(40a)의 체결진행방향은 제1너트(30)의 제1암나사부(30b)와 제2너트(40)의 제2암나사부(40b)의 체결진행방향과 동일하게 형성한 것이다.In the above configuration of the present invention, the outer diameter of the auxiliary male screw portion 30a of the first nut 30 is larger than the diameter of the first female screw portion 30b, and the auxiliary female screw portion 40a of the second nut 40 is formed. ) Is formed with the same diameter so as to smoothly fasten the auxiliary male screw portion (30a) of the first nut (30), the first female screw portion (30b) of the first nut (30) and the second nut (40) 2 female thread portion (40b) is formed of the same diameter so as to be smoothly engaged with the male screw portion (10a) of the bolt (10), the auxiliary female screw portion 30a of the first nut 30 and the auxiliary female screw of the second nut (40) The fastening direction of the part 40a is formed in the same direction as the fastening direction of the first female threaded portion 30b of the first nut 30 and the second female threaded portion 40b of the second nut 40.
이러한 상태에서 본 발명의 작용을 설명하면, 제1너트(30)의 보조수나사부(30a)에 제2너트(40)의 보조암나사부(40a)를 체결하여 일체 되게 구성한 상태로, 체결부재(20)의 체결구(20a)에 끼워진 볼트(10)의 수나사부(10a)에 스패너등을 이용하여 제1너트(30)의 제1암나사부(30b)와 제2너트(40)의 제2암나사부(40b)를 끼워 체결진행방향으로 회전시키면, 제1너트(30)의 보조수나사부(30a)와 제2너트(40)의 보조암나사부(40a)도 동일방향으로 체결되어 있기 때문에 서로 풀리지 않는 상태로 원활히 체결부재(20)까지 회전되고, 제1너트(30)의 보조수나사부(30a)와 제2너트(40)의 보조암나사부(40a)는 다수의 제1마찰저항면(50)으로 꽉 조여지는 동시에, 제1너트(30)의 제1암나사부(30b)와 제2너트(40)의 제2암나사부(40b)도 볼트(10)의 수나사부(10a)에 다수의 제1마찰저항면(50)으로 꽉 조여지게 되어 체결되는 것이다.Referring to the operation of the present invention in such a state, the fastening member (in the state configured to be integrally fastened to the auxiliary female screw portion 40a of the second nut 40 to the auxiliary male screw portion 30a of the first nut 30) ( The first female screw portion 30b of the first nut 30 and the second nut 40 of the second nut 40 are mounted on the male screw portion 10a of the bolt 10 fitted to the fastener 20a of the 20. When the female thread part 40b is inserted and rotated in the fastening direction, the auxiliary male thread part 30a of the first nut 30 and the auxiliary female thread part 40a of the second nut 40 are also fastened in the same direction. It is smoothly rotated to the fastening member 20 without being loosened, and the auxiliary male thread part 30a of the first nut 30 and the auxiliary female thread part 40a of the second nut 40 have a plurality of first frictional resistance surfaces ( At the same time, the first female threaded portion 30b of the first nut 30 and the second female threaded portion 40b of the second nut 40 are also provided in the male threaded portion 10a of the bolt 10. Tighten to first frictional resistance surface (50) of It is to be concluded.
이 상태에서 제2너트(40)만 풀림진행방향으로 회전시키면, 제1너트(30)에서 제2너트(40)는 약간 풀리게 되고 볼트(10)의 수나사부(10a)에서도 풀림과 동시에, 제2너트(40)의 보조암나사부(40a)는 다수의 제1마찰저항면(50)에서 다수의 제2마찰저항면(60)으로 바뀌어 제1너트(30)의 보조수나사부(30a)에 꽉 조여지는 동시에, 제2너트(40)의 제2암나사부(40b)도 다수의 제1마찰저항면(50)에서 다수의 제2마찰저항면(60)으로 바뀌어 볼트(10)의 수나사부(10a)에 꽉 조여지게 되어 체결되는 것이다.In this state, if only the second nut 40 is rotated in the release progressing direction, the second nut 40 is slightly loosened from the first nut 30, and at the same time as the male thread part 10a of the bolt 10 is loosened, The secondary female threaded portion 40a of the second nut 40 is changed from the plurality of first frictional resistance surfaces 50 to the plurality of second frictional resistance surfaces 60 to the auxiliary male threaded portion 30a of the first nut 30. At the same time, the second female threaded portion 40b of the second nut 40 is also changed from the plurality of first frictional resistance surfaces 50 to the plurality of second frictional resistance surfaces 60, and thus the male threaded portion of the bolt 10 is tightened. Tighten to (10a) is to be tightened.
볼트(10)의 수나사부(10a)에 다수의 제1마찰저항면(50)으로 채결부재(20)까지 꽉 조여진 제1너트(30)의 제1암나사부(30b)와 제2마찰저항면(60)으로 조여진 제2너트(40)의 제2암나사부(40b)가 서로 엇갈려 꽉 조여지게 되어, 제1너트(30)와 제2너트(40)는 볼트(10)의 수나사부(10a)에서 풀림진행방향으로 회전하지 못하게 되는 것이고, 제1너트(30)의 보조수나사부(30a)와 제2너트(40)의 보조암나사부(40a)가 형성되어 제1너트(30)와 제2너트(40)가 일체 되어 체결되므로 제2마찰저항면(60)이 증가되어, 미세한 진동이나 충격에도 더욱 확실한 풀림 방지가 되는 것이다.The first female thread portion 30b and the second friction resistance surface of the first nut 30 that are tightly fastened to the coupling member 20 by the plurality of first friction resistance surfaces 50 on the male thread portion 10a of the bolt 10. The second female threaded portion 40b of the second nut 40 tightened by 60 is staggered tightly so that the first nut 30 and the second nut 40 are the male threaded portion 10a of the bolt 10. ), And the auxiliary male screw portion 30a of the first nut 30 and the auxiliary female screw portion 40a of the second nut 40 are formed, thereby preventing the first nut 30 and the first nut 30 and the Since the two nuts 40 are integrally fastened to each other, the second frictional resistance surface 60 is increased, thereby further preventing the loosening even in a minute vibration or shock.
종래의 경우 볼트의 수나사부에서 너트가 풀림 방지되도록 와셔를 사용하거나, 너트를 아무리 꽉 조여도 사용중 미세한 진동이나 충격으로 인하여 풀림이 발생하여 위험한 상황이 발생되고 이를 방지하기 위해 다시 조여줘야 되는 불편함이 발생하였으나, 본 발명의 풀림 방지되는 너트를 사용함으로 인해 와셔를 사용하지 않아도 되고 다시 조여줘야 되는 시간적, 경제적인 손실을 줄일 수 있음은 물론, 풀림이 방지되어 안전한 체결이 이루어져 효과적이다.In the conventional case, a washer is used to prevent the nut from loosening in the male threaded part of the bolt, or even if the nut is tight, loosening occurs due to a slight vibration or shock during use, and a dangerous situation occurs, and it is inconvenient to be tightened again to prevent it. Although this occurred, the use of the nut to prevent loosening of the present invention does not need to use a washer and can be reduced time and economic loss to be retightened, of course, it is effective to prevent the loosening and secure fastening.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040019078A KR20040030034A (en) | 2004-03-20 | 2004-03-20 | The prevention nut which comes loose |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040019078A KR20040030034A (en) | 2004-03-20 | 2004-03-20 | The prevention nut which comes loose |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR20-2003-0034306U Division KR200339479Y1 (en) | 2003-11-03 | 2003-11-03 | The prevention nut which comes loose |
Publications (1)
Publication Number | Publication Date |
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KR20040030034A true KR20040030034A (en) | 2004-04-08 |
Family
ID=37331300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020040019078A KR20040030034A (en) | 2004-03-20 | 2004-03-20 | The prevention nut which comes loose |
Country Status (1)
Country | Link |
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KR (1) | KR20040030034A (en) |
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2004
- 2004-03-20 KR KR1020040019078A patent/KR20040030034A/en not_active Application Discontinuation
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