KR20010015543A - Washer for locking of nut and locking structure of nut - Google Patents
Washer for locking of nut and locking structure of nut Download PDFInfo
- Publication number
- KR20010015543A KR20010015543A KR1020007000039A KR20007000039A KR20010015543A KR 20010015543 A KR20010015543 A KR 20010015543A KR 1020007000039 A KR1020007000039 A KR 1020007000039A KR 20007000039 A KR20007000039 A KR 20007000039A KR 20010015543 A KR20010015543 A KR 20010015543A
- Authority
- KR
- South Korea
- Prior art keywords
- washer
- nut
- fastened
- bolt
- pressure
- Prior art date
Links
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
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/24—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the 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
- F16B39/282—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
- F16B39/2825—Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts causing the bolt to tilt
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
본 발명의 와셔는, 축심을 관통하는 볼트 삽입관통구멍(1)을 구비한 링형상의 와셔 몸체(2)의 상하면의 적어도 한 쪽의 면을 한 방향으로 비스듬히 완만한 경사면으로 형성한 것에 의해서, 너트(B)를 와셔(A)와 함께 볼트(D)에 나사결합하여 피체결부재(C)에 소정의 토크로 체결할 때에, 너트(B)의 하면이 와셔(A)의 상면에 밀접함과 동시에, 경사좌면(3)이 피체결부재(C)의 상면에 압접하여, 이것에 의해 볼트 축방향으로의 압력과 피체결부재(C)에 대한 면압이 동시에 발생하여 너트의 풀림을 효과적으로 방지한다.The washer of this invention forms at least one surface of the upper and lower surfaces of the ring-shaped washer body 2 provided with the bolt insertion hole 1 which penetrates an axial center, and forms the inclined surface obliquely in one direction, When the nut B is screwed together with the washer A to the bolt D and fastened to the fastening member C with a predetermined torque, the bottom surface of the nut B is in close contact with the top surface of the washer A. At the same time, the inclined seat surface 3 is press-contacted to the upper surface of the member to be fastened, whereby the pressure in the bolt axial direction and the surface pressure to the member to be fastened are simultaneously generated, thereby effectively preventing the nut from loosening. do.
Description
종래, 너트의 사용 중에 풀림의 발생을 방지하는 수단으로서, 너트 자체에 여러 종류의 고안을 가한 것이 각종 제안되어 있다. 예컨대, 너트 몸체가 한 개인 것으로서, 너트 몸체에 금속 탄성판이나 나이론판 혹은 스프링 등의 탄성체를 짜 넣은 것이 일반적으로 알려져 있다.Background Art Conventionally, various kinds of devising various kinds of devises have been proposed as means for preventing the occurrence of loosening during use of the nut. For example, it is generally known that one nut body is incorporated with an elastic body such as a metal elastic plate, a nylon plate or a spring in the nut body.
그러나, 이와 같은 구조의 것은 모두 너트 몸체에 2차가공으로 공작을 해서 부가부품을 짜넣은 것이기 때문에, 제작이 번거롭고 비용이 높게 됨과 동시에, 볼트로의 비틀어 넣는 처음부터 짜넣은 탄성체에 의해서 높은 토크가 부가되어서, 체결하는 작업이 번거롭고, 게다가 사용 중에 탄성체가 시간이 지나며 변화함에 따라서 풀림방지 효과가 열화한다라는 결점이 있다.However, all of these structures are machined into the nut body by secondary machining, so that additional parts are cumbersome and costly, and high torque is added by the elastic body incorporated into the bolts from the beginning. Therefore, there is a drawback that the fastening work is cumbersome, and furthermore, the anti-loosening effect deteriorates as the elastic body changes over time during use.
그래서 본 발명은, 동시에 사용되는 와셔에 고안을 가하는 것에 의해서, 종래의 스탠다드 너트에 강력한 풀림 방지 효과를 발휘시키는 것이 가능한 와셔를 종래의 와셔와 거의 같은 비용으로 제공하는 것이 주된 목적으로 하는 것이다.Therefore, a main object of the present invention is to provide a washer capable of exhibiting a strong anti-loosening effect on a conventional standard nut at the same cost as a conventional washer by applying a design to a washer used at the same time.
본 발명의 한 가지 더 중요한 목적은, 상기 와셔를 사용한 너트의 풀림 방지 구조를 제공하는 것이다.One more important object of the present invention is to provide an anti-loosening structure of a nut using the washer.
상기 목적을 달성하기 위하여 본 발명에서는 다음과 같은 기술적 수단을 강구하였다. 즉, 본 발명에 이러한 풀림 방지용 와셔에 있어서는, 축심을 관통하는 볼트 삽입통과구멍(1)을 구비한 링형상의 와셔 몸체(2)의 상하면의 적어도 한 쪽의 면을 한 방향으로 비스듬히 원만한 경사면으로 형성한 구조로 하였다.In order to achieve the above object, the present invention takes the following technical means. In other words, in the washer for preventing loosening in the present invention, at least one surface of the upper and lower surfaces of the ring-shaped washer body 2 having the bolt insertion hole 1 penetrating the shaft center is inclined in one direction to a smooth slope. It was set as the formed structure.
본 발명의 와셔에 있어서, 상기 와셔의 좌면(3)의 경사각도는, 너트(B)를 와셔(A)와 함께 볼트(D)에 나사결합하여 피(被)체결부재(C)에 소정의 토크로 체결하였을 때에, 너트(B)의 하면이 와셔(A)의 상면에 밀접됨과 동시에, 경사좌면(3)이 피체결부재(C)의 상면에 압접되고, 이 것에 의해 볼트 축방향으로의 압력과 피체결부재(C)에 대한 면압이 동시에 발생하는 것이 가능한 각도범위로 설정되어 있다.In the washer of the present invention, the inclination angle of the seating surface 3 of the washer When the nut B is screwed together with the washer A to the bolt D and fastened to the fastening member C with a predetermined torque, the lower surface of the nut B is the washer A. The inclined seat 3 is pressed against the upper surface of the member C to be fastened, and the pressure in the bolt axial direction and the surface pressure to the member C to be fastened can be simultaneously generated. The angle range is set.
또한, 본 발명에서는, 축심을 관통하는 볼트 관통구멍(1)을 구비한 링형상의 와셔 몸체(2)의 상하면의 적어도 한 쪽의 좌면(3)을 한 방향으로 비스듬히 완화된 경사면으로 형성하여 와셔(A)를 구성하고, 이 와셔(A)를 너트(B)의 하면에 두어서 너트(B)를 볼트(D)에 나사결합하여 피체결부재(C)에 대하여 소정의 토크로 체결하는 것에 의해, 너트(B)의 하면을 와셔(A)의 상면에 밀접시킴과 동시에, 와셔의 경사좌면(3)을 피체결부재(C)의 상면에 압접시켜, 이 것에 의해 볼트 축방향으로의 압력과 피체결부재(C)에 대응하여 면압을 동시에 발생시켜서 너트의 풀림을 방지하도록 한 너트의 풀림 방지 구조도 특징으로 한다.In addition, in the present invention, at least one seat surface 3 of the upper and lower surfaces of the ring-shaped washer body 2 having the bolt through hole 1 penetrating the shaft center is formed in an inclined surface which is obliquely relaxed in one direction and washer. (A), the washer (A) is placed on the lower surface of the nut (B), and the nut (B) is screwed to the bolt (D) to fasten with a predetermined torque to the fastening member (C). The lower surface of the nut B is brought into close contact with the upper surface of the washer A, and the inclined seat surface 3 of the washer is pressed against the upper surface of the fastening member C, whereby the pressure in the bolt axial direction is thereby obtained. In addition, the anti-loosening structure of the nut which prevents the nut from loosening by simultaneously generating a surface pressure corresponding to the fastened member C is also characterized.
본 발명은, 동시에 사용되는 스탠다드 너트의 풀림을 방지하는 와셔 및 그 와셔를 사용한 너트의 풀림 방지 구조에 관한 것이다.The present invention relates to a washer for preventing loosening of a standard nut used at the same time, and a loosening prevention structure for a nut using the washer.
도 1은, 본 발명에 관한 풀림 방지용 와셔의 1실시예를 나타내는 일부단면정면도이다.1 is a partial sectional front view showing one embodiment of an anti-loosening washer according to the present invention.
도 2는, 상기 와셔의 평면도이다.2 is a plan view of the washer.
도 3은, 상기 와셔의 사용과정을 나타내는 단면도이다.3 is a cross-sectional view showing a process of using the washer.
도 4는, 상기 와셔의 사용상태를 나타내는 단면도이다.4 is a cross-sectional view showing a state of use of the washer.
도에 있어서, 부호(A)는 본 발명에 따른 와셔에 있어서, 금속판제의 링형상으로 형성된 와셔 몸체(2)에, 축심을 관통하는 볼트 관통구멍(1)을 구비하고 있다. 게다가 이 하면, 즉 좌면(3)이 한 방향으로 향하여 완만하게 경사지는 경사면으로 형성되어 있다.In the figure, the code | symbol A has the bolt through-hole 1 which penetrates an axial center in the washer body 2 formed in the ring shape made from the metal plate in the washer which concerns on this invention. In addition, the lower surface, that is, the left surface 3 is formed as an inclined surface that is gently inclined toward one direction.
이 좌면(3)의 경사각도는, 스탠다드 너트(B)를 와셔(A)와 함께 볼트(D)에 나사결합하여 피체결부재(C)에 소정의 토크로 체결할 때에, 너트(B)의 하면이 와셔(A)의 상면에 밀접함과 동시에, 경사좌면(3)이 피체결부재(C)의 상면에 압접되고, 이 것에 의해 볼트 축방향으로의 압력과 피체결부재(C)에 대한 면압이 동시에 발생하는 것이 가능한 각도범위로 설정되어 있다.Inclination angle of the seat 3 When the standard nut B is screwed together with the washer A to the bolt D and fastened to the fastened member C with a predetermined torque, the lower surface of the nut B is the upper surface of the washer A. At the same time, the inclined seat 3 is pressed against the upper surface of the member C to be fastened, whereby the pressure in the bolt axial direction and the surface pressure on the member C to be simultaneously generated can be generated. The range is set.
이 경사각도, 즉 좌면각도는 사이즈에 따라서 다르지만, 1.0 내지 3.0 도정도가 바람직하다. 또한, 상기에서 말하는 소정의 체결 토크는 스탠다드 너트의 표준 체결 토크에 준하거나, 또는 이것에 10%정도 가해진 토크를 가리키는 것이고, 예컨대 M12의 금속육각 너트에는 450 내지 500㎏f.㎝이다.This angle of inclination, or left angle Although depends on size, about 1.0-3.0 degree is preferable. In addition, said predetermined | prescribed fastening torque is equivalent to the standard fastening torque of a standard nut, or points to the torque applied about 10% to this, for example, it is 450-500 kgf.cm in the metal hexagon nut of M12.
상기와 같이 구성된 와셔(A)는 도 3에 나타내는 바와 같이, 너트(B)와 함께 사용된다. 너트(B)를 피체결부재(C)로 향하여 볼트(D)에 부합하여 나사진행시켜서 와셔(A)를 피체결부재(C)의 상면에 접촉시킨 후, 그리고나서 너트(B)를 소정의 토크로 강하게 체결하면, 도 4에 나타내는 바와 같이 너트(B)가 볼트, 너트 사이의 나사 맞물림부분의 간극을 채우면서 와셔(A)의 경사좌면(3)에 부합하여 경사자세로 강제된 형으로 정착한다. 이 상태에 있어서는, 도 4의 화살표로 나타내는 바와 같이, 너트(B)의 경사 상위측에 있는 나사와 경사 하위측에 있는 나사가 볼트측면을 재단방향으로 압박하고, 동시에 경사좌면(3)이 피체결부재(C)의 상면에 면접촉으로 압접된다. 이 내부응력에 의해서 너트(B)와 볼트(D)의 나사의 맞물림을 단단하게 고정하여 너트(B)의 풀림의 발생을 방지하는 것이 가능하다.The washer A comprised as mentioned above is used with the nut B, as shown in FIG. The nut (B) is threaded to the fastening member (C) in accordance with the bolt (D) to bring the washer (A) into contact with the upper surface of the fastening member (C), and then the nut (B) is When tightened firmly with torque, as shown in Fig. 4, the nut B is forced into an inclined posture in conformity with the inclined seat 3 of the washer A while filling the gap between the bolt and the nut engaging portion between the nuts. Settle down. In this state, as shown by the arrow of FIG. 4, the screw on the inclined upper side of the nut B and the screw on the inclined lower side press the bolt side in the cutting direction, and at the same time the inclined seat 3 It is press-contacted to the upper surface of the fastening member C by surface contact. By this internal stress, it is possible to firmly secure the engagement between the screw of the nut B and the bolt D to prevent the loosening of the nut B.
또, 본 발명자가, 외경 26㎜, 내경 12.2㎜, 최대두께 2.8㎜, 최소두께 1.8㎜(이 경우, 좌면각은 2.3도로 된다)의 M12너트용 철제 와셔를 만들어서, 제 3자의 시험 센타에 너트 풀림 진동시험을 의뢰한 결과, 스탠다드 너트 4개가 모두 20초이내에 느슨해진 것에 대하여, 시험 샘플 4개를 사용한 너트는 모두 14분이상의 진동에 견디는 것이 가능하였다. 또 이 경우의 너트의 체결 토크는 모두 500㎏f .㎝이었다.In addition, the present inventors have an outer diameter of 26 mm, an inner diameter of 12.2 mm, a maximum thickness of 2.8 mm, and a minimum thickness of 1.8 mm (in this case, the seat surface angle). Made a steel washer for M12 nuts, and requested a nut loosening vibration test from a third-party test center.As a result, all four standard nuts were loosened within 20 seconds. All were able to withstand vibration for more than 14 minutes. Moreover, all the tightening torques of the nut in this case were 500 kgf.cm.
이상의 본 발명의 1실시예에 관해서 설명하였지만, 본 발명은 반듯이 이 실시예 구조만으로 한정되는 것은 아니다. 예컨대 상기 실시예에서는, 경사면을 와셔 몸체의 하면에 설치하였지만 상면에 설치하여도 좋고, 혹은 상하면에 대칭적으로 설치하여도 마찬가지의 효과가 얻어지는 것이다. 또한, 와셔 재료도, 철이나 스텐레스 등의 금속재료로 한정하지 않고, 작은 사이즈의 것은 합성수지재료로 형성하는 것도 가능하다. 와셔의 형상도 원형으로 한정하지 않고 육각형이나 4각형 등 임의 형태로 하여도 좋다.Although one embodiment of the present invention has been described above, the present invention is not limited only to this embodiment structure. For example, in the said embodiment, although the inclined surface was provided in the lower surface of the washer body, it may be provided in the upper surface, or it may be provided symmetrically in the upper surface and the same effect is acquired. In addition, the washer material is not limited to metal materials such as iron and stainless steel, and small-sized ones can be formed of synthetic resin materials. The shape of the washer is not limited to a circular shape, but may be any shape such as a hexagon or a quadrilateral.
Claims (2)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP1997/002337 WO1999001674A1 (en) | 1997-01-15 | 1997-07-04 | Washer for locking of nut and locking structure of nut |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20010015543A true KR20010015543A (en) | 2001-02-26 |
Family
ID=60276270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020007000039A KR20010015543A (en) | 1997-07-04 | 1997-07-04 | Washer for locking of nut and locking structure of nut |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20010015543A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160143910A (en) | 2015-06-04 | 2016-12-15 | (주)바이브록 | Washer for prevention of looseness |
CN108194034A (en) * | 2018-03-19 | 2018-06-22 | 大庆鑫得丰石油技术有限公司 | Five preventing oil pipes and short circuit |
-
1997
- 1997-07-04 KR KR1020007000039A patent/KR20010015543A/en not_active Application Discontinuation
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160143910A (en) | 2015-06-04 | 2016-12-15 | (주)바이브록 | Washer for prevention of looseness |
CN108194034A (en) * | 2018-03-19 | 2018-06-22 | 大庆鑫得丰石油技术有限公司 | Five preventing oil pipes and short circuit |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1301497C (en) | Vibration resistant fasteners | |
US2959204A (en) | Threaded fastener with biting teeth and bearing platform | |
US6939097B2 (en) | Ground washer | |
JP3055694B2 (en) | Load display washer | |
US4103725A (en) | Conical spring washer | |
US4887948A (en) | Deformable washer, particularly for predetermining the minimum force needed for tightening a nut or a screw | |
US3605845A (en) | Self-locking fastener | |
US3926237A (en) | Self-locking vibration-proof lock washer and cooperating threaded fastener | |
US4657459A (en) | Vibration resistant fasteners | |
US3438417A (en) | Canting lock bolt | |
KR20040016369A (en) | Locking fastener | |
KR100766470B1 (en) | Lock nut | |
US4031936A (en) | Preassembled spring washer fastener unit | |
US6860690B2 (en) | Screw member with biting features | |
US5006026A (en) | Particle retention means associated with fastener | |
KR20010015543A (en) | Washer for locking of nut and locking structure of nut | |
CN1114766C (en) | Washer for locking of nut and locking structure of nut | |
KR20010023513A (en) | Locking bolt and bolt locking method | |
CN210461355U (en) | Anti-loosening combined nut | |
JPH10153211A (en) | Washer for preventing looseness of nut and structure for preventing looseness of nut | |
US5580199A (en) | Fastening screw | |
US2083045A (en) | Locking device for nuts | |
JPH112227A (en) | Locking nut | |
JPH1078019A (en) | Washer | |
US3126934A (en) | Nut locking structures |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PA0105 | International application |
Patent event date: 20000104 Patent event code: PA01051R01D Comment text: International Patent Application |
|
PG1501 | Laying open of application | ||
A201 | Request for examination | ||
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 20020702 Comment text: Request for Examination of Application |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20040917 Patent event code: PE09021S01D |
|
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20050517 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20040917 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |