WO2005113994A1 - 弛み止め機構を備えたナットの構成と製造方法 - Google Patents
弛み止め機構を備えたナットの構成と製造方法 Download PDFInfo
- Publication number
- WO2005113994A1 WO2005113994A1 PCT/JP2005/009380 JP2005009380W WO2005113994A1 WO 2005113994 A1 WO2005113994 A1 WO 2005113994A1 JP 2005009380 W JP2005009380 W JP 2005009380W WO 2005113994 A1 WO2005113994 A1 WO 2005113994A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nut
- cut
- locking nut
- mechanism according
- locking
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 101100008047 Caenorhabditis elegans cut-3 gene Proteins 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F16B39/22—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
- F16B39/286—Locking by means of elastic deformation caused by saw cuts
-
- 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
Definitions
- the present invention relates to a nut that does not easily loosen even when vibration is applied.
- the present invention has been made in view of such a problem, and does not loosen even when vibration is applied.
- Another object of the present invention is to provide a locking nut which can be used as a single nut.
- Another feature of the present invention is to provide a nut provided with a locking nut mechanism, wherein the cut is slightly lower than the intermediate height of the nut main body and is drilled toward the center axis direction. It is intended to propose a manufacturing method.
- the present invention aims to provide a nut provided with a locking nut mechanism that is substantially spheroidal in a horizontal direction along the radial direction, and proposes a manufacturing method thereof.
- Another feature of the present invention is that the above-described horizontal, substantially spheroidal cut along the radial direction has at least a tip reaching a position where a part of an inner screw of the nut body is cut off. And propose a manufacturing method.
- Another feature of the present invention is to provide a nut configured so that the above-mentioned lobed notch reaches a position beyond the center axis of the nut body and propose a method of manufacturing the nut. It is assumed that.
- Another feature of the present invention is to provide a nut in which the bottom surface of the nut main body is inclined, and propose a method of manufacturing the nut.
- Another feature of the present invention is to provide a nut having an angle of inclination ( ⁇ ) of about 1 ° to 10 ° on the bottom surface of the nut main body, and propose a method of manufacturing the nut. Is what you do.
- the inclined bottom surface provides a nut in which an extension of the central axis of the cut and an extension of the central axis of the inclined bottom intersect, and a method of manufacturing the nut is provided. P Chang is trying to do it.
- the nut and the nut body are screwed together with the bolt body and the nut body because the cut is cut slightly below the intermediate height of the nut body and is directed toward the center axis direction. That is, the fixing action was able to be performed more reliably.
- the notch has a substantially substantially spherical shape that is horizontal along the radial direction of the nut main body, the cut can be made to have sufficient strength for the fixing operation of the bolt main body and the nut main body.
- Another advantage of the present invention is that the above-mentioned horizontal substantially spheroidal cut along the radial direction is small. At least, the tip has reached the position where a part of the inner screw of the nut body is cut off. Furthermore, the cut-out of the spheroid is such that the tip has reached a position beyond the central axis of the nut body, so that the bolt body and the nut body are not loosened and can be reliably performed.
- Another effect of the present invention is that the bottom surface of the nut main body is formed as an inclined surface, and the nut main body provided with the locking nut mechanism has no slack. It is.
- the formation of the inclined bottom surface suppresses the transmission of vibration to the fastening object force nut main body. Further, the contact between the nut main body and the workpiece is firmly achieved locally by using the inclined bottom surface.
- the angle of the inclined surface on the bottom surface of the nut body was set to an angle of 1 ° to about LO ° ( ⁇ ).
- the contact between the nut body and the workpiece can be made strong.
- the inclined bottom surface is an extension of the central axis of the cut and a central axis of the inclined bottom surface. It is essential that the wire crosses the extension of the wire, and by doing so, the joint between the temporary bolt body and the nut body is not easily loosened even when vibration is applied. .
- the nut body of the present invention is a single nut but has the same function as a double nut, and can be inexpensive as compared with the double nut, and can be easily attached.
- FIG. 1 shows a first embodiment of the locking nut body (1) according to the present invention.
- This is a hexagon nut that is screwed into the bolt (10).
- a notch is formed slightly below the intermediate height, horizontally along the radial direction, and extends beyond the center axis (C) (3). ).
- the bottom surface of the locking nut main body (1) has a stroke of an inclined bottom surface (4) having an inclination angle ⁇ with respect to a horizontal plane.
- this inclined bottom surface (4) has a stroke of an inclined bottom surface (4) having an inclination angle ⁇ with respect to a horizontal plane.
- FIG. 2 shows a second embodiment of the locking nut body (1) according to the present invention.
- the hex nut body (1) is also cut in the lower part of the intermediate height thereof to a range extending beyond the center axis C along the radial direction (3). ) Is formed.
- the bottom surface is an inclined bottom (4) with an inclination angle ⁇ of 1 °, and the extension of the neutral line P—P and the extension of the neutral line Q—Q Intersect with the line.
- the inclined bottom surface (4) of the locking nut body (1) is formed so as to be inclined downward to the side where the cut 3 is formed.
- the locking nut body (1) according to the first and second embodiments described above both forms the cut (3) and the bottom surface is the inclined bottom surface (4). Even if it is added, it is difficult for loosening to occur.
- the vibration transmitted from the bolt (1) and the workpiece is absorbed by the cuts (3) and transmitted to the entire nut body (1) as it is. It is considered that this is prevented. Also, by forming the notch (3) to extend beyond the center axis C, the screw portion (2) is partially cut off, whereby the transmission of vibration is cut off at the cut portion. It is also considered to be from.
- the formation of the inclined bottom surface (4) also suppresses transmission of vibration to the fastening object force nut main body (1).
- the inclined bottom surface (4) ensures that the contact between the nut body (1) and the work is firmly achieved locally.
- the cut (3) is formed to extend beyond the center axis C.
- the present invention is not limited to this, and the cut (3) is not limited to this. By forming even up to this point, a certain effect can be obtained.
- the cut (3) can be formed not only in the horizontal direction but also in an inclined state. Further, the inclination angle ⁇ of the inclined bottom surface (4) is preferably in the range of 1 ° to 5 °, but is not limited to this, and may be in the range of about less than 1 ° to about 10 °.
- FIG. 3 shows the test machine (30) being used to apply a vibration to the vibrating table (31) and the vibrating barrel (32) to test the loosening of the nut body (nut body according to the prior art). Is shown.
- the vibration conditions of this tester (30) are as follows.
- the frequency is 1780 rpm
- the vibration stroke L l lmm
- the impact stroke M l 9 mm
- the vibration direction the direction perpendicular to the bolt axis
- Table 1 shows the results of this experiment.
- NO.10 is the locking nut body (1) according to the first embodiment of the present invention
- NO.11 is that the inclination negative angle ⁇ of the inclined bottom surface (4) is 1 ° force. It has been changed to 2 °.
- NO.12 is the relaxation according to the second embodiment of the present invention.
- the lock nut body (1) is N0.13.
- the locking nut body (1) according to the present invention is superior in the locking function to the locking nut according to the related art, and is similar to the conventional double nut.
- the locking nut body (1) according to the present invention has a simpler configuration than the conventional double nut body and exhibits the same level of locking function.
- the locking nut body (1) is not limited to a hexagonal nut body, but a wing nut body, a grooved nut body, a nut body with a handle, a cap nut body, and a round nut. Includes various other nut bodies such as body, panel nut body, etc.
- FIG. 1 shows a first embodiment of a locking nut according to the present invention, wherein (a) is a front view and (b) is a plan view.
- FIG. 2 shows a second embodiment of a locking nut according to the present invention, wherein (a) is a front view and (b) is a plan view.
- FIG. 3 is a front view showing a state in which nut loosening is tested using a high-speed screw loosening tester.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Forging (AREA)
- Vibration Prevention Devices (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040036435A KR20050111219A (ko) | 2004-05-21 | 2004-05-21 | 이완 방지 너트와 그 제조방법 |
KR10-2004-0036435 | 2004-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005113994A1 true WO2005113994A1 (ja) | 2005-12-01 |
Family
ID=35375308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/009380 WO2005113994A1 (ja) | 2004-05-21 | 2005-05-23 | 弛み止め機構を備えたナットの構成と製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7192233B2 (ja) |
KR (1) | KR20050111219A (ja) |
TW (1) | TW200538647A (ja) |
WO (1) | WO2005113994A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090064480A1 (en) * | 2007-09-11 | 2009-03-12 | Hiroaki Migita | Method of a fastening a bolt and a nut and their fastening structure |
EP2075478A1 (en) * | 2007-12-31 | 2009-07-01 | Eco World Company, Limited | Lock nut with a slit |
US8100617B2 (en) * | 2008-01-22 | 2012-01-24 | Nexteer (Beijing) Technology Co., Ltd. | Fastener system with frangible member |
CN104746102A (zh) * | 2013-12-31 | 2015-07-01 | 贵州航天乌江机电设备有限责任公司 | 防止阳极组装车间磷铁环压脱机螺母松动的方法及结构 |
DE102014002191A1 (de) * | 2014-02-11 | 2015-08-13 | Spieth-Maschinenelemente Gmbh & Co. Kg | Maschinenelement |
EP2927515A1 (de) * | 2014-03-31 | 2015-10-07 | Siemens Aktiengesellschaft | Mutter und zugehörige Gasturbine |
EP2930402B1 (en) * | 2014-04-08 | 2019-02-27 | FPT Motorenforschung AG | System for assembling a pinion on a turbine axis of an internal combustion engine |
CN104930040B (zh) * | 2015-06-02 | 2019-09-10 | 李武彬 | 一种防松螺母总成 |
CN105179436A (zh) * | 2015-10-19 | 2015-12-23 | 上海格姆特紧固技术有限公司 | 一种异面割槽防松螺母 |
CN105465143A (zh) * | 2016-01-17 | 2016-04-06 | 江苏金鼎钢结构有限公司 | 一种弹性匀压式防松螺母装置 |
CN111649048B (zh) * | 2020-07-06 | 2021-09-14 | 罗章平 | 防松螺母套件 |
CN114776687B (zh) * | 2022-04-22 | 2024-04-16 | 江苏永昊高强度螺栓有限公司 | 一种防松动螺栓螺母结构 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5142857A (ja) * | 1974-10-08 | 1976-04-12 | Yasushi Baba | Yurumitomenatsuto |
JPS5954809A (ja) * | 1982-09-21 | 1984-03-29 | 株式会社 満尾総合研究所 | 緩み止めナツト |
JPS608514U (ja) * | 1983-06-29 | 1985-01-21 | 日本電気株式会社 | ナツト |
JP2004156637A (ja) * | 2002-11-01 | 2004-06-03 | Eco World:Kk | 弛み止めナット |
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US168830A (en) * | 1875-10-19 | Improvement in nut-locks | ||
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US171898A (en) * | 1876-01-04 | Improvement in nut-locks | ||
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JP2001227519A (ja) * | 2000-02-16 | 2001-08-24 | Koyo Kizai Kk | 弛み止めナット |
SE516862C2 (sv) * | 2000-07-14 | 2002-03-12 | Allgon Ab | Avstämningsskruvanordning samt metod och resonator |
DE10161026A1 (de) * | 2001-12-12 | 2003-06-26 | Hilti Ag | Selbstsicherndes Schraubelement |
-
2004
- 2004-05-21 KR KR1020040036435A patent/KR20050111219A/ko not_active Application Discontinuation
- 2004-10-19 US US10/967,197 patent/US7192233B2/en not_active Expired - Fee Related
- 2004-10-22 TW TW093132244A patent/TW200538647A/zh unknown
-
2005
- 2005-05-23 WO PCT/JP2005/009380 patent/WO2005113994A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5142857A (ja) * | 1974-10-08 | 1976-04-12 | Yasushi Baba | Yurumitomenatsuto |
JPS5954809A (ja) * | 1982-09-21 | 1984-03-29 | 株式会社 満尾総合研究所 | 緩み止めナツト |
JPS608514U (ja) * | 1983-06-29 | 1985-01-21 | 日本電気株式会社 | ナツト |
JP2004156637A (ja) * | 2002-11-01 | 2004-06-03 | Eco World:Kk | 弛み止めナット |
Also Published As
Publication number | Publication date |
---|---|
US20050260057A1 (en) | 2005-11-24 |
KR20050111219A (ko) | 2005-11-24 |
TW200538647A (en) | 2005-12-01 |
US7192233B2 (en) | 2007-03-20 |
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