WO2006028327A1 - Structure de boulon et structure d'ensemble boulon et ecrou - Google Patents

Structure de boulon et structure d'ensemble boulon et ecrou Download PDF

Info

Publication number
WO2006028327A1
WO2006028327A1 PCT/KR2005/002462 KR2005002462W WO2006028327A1 WO 2006028327 A1 WO2006028327 A1 WO 2006028327A1 KR 2005002462 W KR2005002462 W KR 2005002462W WO 2006028327 A1 WO2006028327 A1 WO 2006028327A1
Authority
WO
WIPO (PCT)
Prior art keywords
nut
thread
fastening
bolt
fastened
Prior art date
Application number
PCT/KR2005/002462
Other languages
English (en)
Inventor
Jae Won Ko
Gee Gwan Gim
Original Assignee
Jae Won Ko
Gee Gwan Gim
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020040072146A external-priority patent/KR20060023331A/ko
Priority claimed from KR20-2004-0030201U external-priority patent/KR200372270Y1/ko
Application filed by Jae Won Ko, Gee Gwan Gim filed Critical Jae Won Ko
Publication of WO2006028327A1 publication Critical patent/WO2006028327A1/fr

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
    • F16B39/02—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
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • 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
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • F16B2033/025—Shape of thread; Special thread-forms with left-hand thread

Definitions

  • the present invention relates to a bolt structure, and a bolt and nut assembly structure which can achieve unification by being fastened regardless of directions of their screw threads, which can be completely prevented from being unfastened due to stronger strength for looseness-prevention, and also which can make process or manufacture and fastening assembly easier even with simple construction.
  • an elastic bush intervenes between two fastened nuts so as for a bolt and two nuts not to be loosened after being joined for fastening members in various machine apparatus or structures, and wherein two fastened nuts differ in a fastening direction, or a protrusion of a wave shape is formed on the contact surfaces between two nuts with a looseness prevention plate installed on the intervened elastic bush, and thus is invented so that a fastening force can be maintained by an elastic force, thereby preventing looseness of the fastening portion without use of additional adhesive, etc., for looseness prevention, and so that the fastening state at the constructed time can be maintained durable for a long time, and if necessary, release or rejoining can be also performed conveniently and easily, thereby being very useful and maintaining reliability of the fastening state perfectly.
  • each construction described above is designed in a manner such that a bolt has different diameters in screwing threads, or a female screw portion is formed inside the end of the screw portion of a bolt, etc., thereby having problems that machining is complex and difficult, and that a fastening force becomes weak at a screw portion in which an external diameter is smaller.
  • Still another problem is that a conventional bolt employs one of a right-handed screw thread or a left-handed screw thread, and therefore, cannot be fastened into a female screw portion of a different-handed thread even if their pitches are the same.
  • the present invention is made in order to solve the above problems, and one object of the present invention is to provide a bolt structure, and a bolt and nut assembly structure which can achieve unification by fastening a bolt and a nut or a female threaded hole regardless of directions of their screw threads, which can be completely prevented from being unfastened due to stronger strength for looseness prevention, and also which can make process or manufacture and fastening assembly easier.
  • a bolt structure with a male thread portion is provided in accordance with one embodiment of the present invention, on which screw threads are formed to be fastened to a nut or a female threaded hole, wherein said male thread portion has a right-handed thread and a left-handed thread formed on the same external diameter with the male thread portion in an overlap con ⁇ figuration so that the male thread portion can be fastened to the nut or the female threaded hole simply by rotating the male thread portion in any one direction of a right-hand direction and a left-hand direction even if the nut or the female threaded hole has a thread of any one direction of the right-hand direction and the left-hand direction.
  • the one thread for the fastening nut can be formed toward the end of the bolt including at least a length of a fastening thread portion to which a first nut for fastening is fastened, and the other thread of the right-handed thread and the left-handed thread, as a reverse direction thread for a looseness prevention nut, can be formed on the same external diameter with said one thread in an overlap configuration toward the end of the bolt at least from the rear of the length of the fastening thread portion excluding the length of the fastening thread portion, a second nut for looseness prevention being fastened in the reverse direction to the first nut so as to be further fastened when the second nut is rotated by friction, etc., together with the first nut to be rotated in the direction of release by vibration, etc., and so as to perfectly prevent looseness of the first nut.
  • a pitch and/or a lead angle of ridges or grooves of thread in the left-handed thread may be the same as, or larger than, those in the fastening thread.
  • the present invention is to provide a bolt and nut assembly structure in which two nuts of a first nut for fastening and a second nut for looseness prevention are fastened to a bolt in order to prevent looseness of the first nut fastened to the male thread portion of the bolt: wherein said bolt has a thread for a fastening nut(referred to as a fastening-nut thread) and to which a female thread of the first nut is fastened, and a reverse direction thread to the thread for the fastening nut, said fastening-nut thread being formed toward the end of the bolt including at least a length of a fastening thread portion to which the first nut is fastened, and the reverse direction thread being formed on the same external diameter with said fastening-nut thread in an overlap configuration toward the end of the bolt at least from the rear of the length of the fastening thread portion excluding the length of the fastening thread portion; wherein the first nut is fastened to the fastening-nut thread of the bolt at the length
  • the present invention is to provide a bolt and nut assembly structure in which a nut for fastening is fastened to a thread for a fastening nut formed at least at the end of a bolt: wherein said fastening nut is a double purpose nut both for fastening and for looseness prevention, said nut having a thread formed for mating engagement with the fastening-nut thread and a reverse direction thread to the thread formed in an overlap configuration with the thread; wherein said bolt has a reverse direction thread to the fastening-nut thread in an overlap configuration with the fastening-nut thread in the portion of the fastening-nut thread; and, wherein, in the thread portion of the bolt to pass through, and protrude from, bolt holes of parent members, parent member and connecting plate member, etc., the double purpose nut is rotated a little in the reverse direction within the range not to be separated from the fastening-nut thread and is fastened to the reverse direction thread, after the double purpose nut is fastened to the fastening
  • Figures 1 to 3 are schematical front views of bolt structures according to em ⁇ bodiments of the present invention.
  • Figures 4 to 6 are schematical sectional views illustrating the fastening process and a fastened state using the bolt of Fig. 1.
  • Figure 7 is a schematical sectional view illustrating a fastened state using the bolt of Fig. 2.
  • Figure 8 is a schematical sectional view illustrating a fastened state using the bolt of Fig. 3.
  • Figure 9 is a schematical sectional view illustrating a fastened structure of a bolt and a nut for looseness prevention according to another embodiment of the present invention.
  • Figures 10 to 12 are schematical front views of bolt structures according to still another embodiments of the present invention.
  • Figures 13 and 14 are schematical sectional views illustrating examples of structures to fasten a first member and a second member using the bolt of the present invention.
  • Figures 15 and 16 are schematical sectional views illustrating the fastening process and a fastened state of a parent member and a parent member with an overlapping plate using the bolt of Fig. 10.
  • Figure 17 is a schematical sectional view illustrating a fastened state using the bolt of Fig. 11.
  • Figure 18 is a schematical sectional view illustrating a fastened state using the bolt of Fig. 12.
  • Figure 19 is a schematical sectional view illustrating another example of a fastened structure of a bolt and a nut for looseness prevention according to further another embodiment of the present invention.
  • Figure 20 is a schematical sectional view of a fastened state similar to that of Fig.
  • FIG. 17 illustrating a state in which prominences and depressions are formed on the contact surfaces between a first nut and a second nut according to still further another embodiment of the present invention
  • Figure 21 is a plan view of the contact surface of the nut.
  • a thread portion for fastening and a thread portion for looseness prevention are referred to as each portion to which a first nut(41) for fastening and a second nut(42, 43 or 44) for looseness prevention are fastened among a male thread portion(lll, 121 or 131) of Figs. 10 to 12, and terms of a fastening-nut thread(13, 23 or 33) and a reverse direction thread(14, 24 or 34) are similarly used in Figs. 1 to 9 instead of terms of a right-handed thread and a left-handed thread.
  • FIGs. 1 to 3 and 10 to 12 structures according to embodiments of the present invention are shown as schematic front views, and in Fig. 4, schematical sectional view of the fastening process is illustrated using the bolt of Fig. 1, with fastened states using the bolts illustrated in Figs. 5 to 8.
  • Each bolt(10, 20 or 30) shown in Figs. 1 to 3 has a non-thread portion(15, 25 or 35) formed by a non-thread portion length(X) below a bolt head, and the fastening-nut thread(13, 23 or 33) formed toward the end of the bolt(10, 20 or 30) including at least a fastening thread portion length(Y) to which the first nut(41) for fastening is fastened, that is, over at least a fastening thread portion length(Y) and a looseness prevention thread portion length(Z).
  • a reverse direction thread(14, 24 or 34) is formed in the reverse direction to, on the same external diameter with, and in an overlap configuration with, the fastening-nut thread(13, 23 or 33). It is preferred that the non-thread portion length(X) of the non- thread portion(15, 25 or 35) is the same with, or smaller than a total width(W, Wa or Wb) of fastened members in Figs 4 to 9.
  • ridges and grooves are formed in normal shapes in a junction(A or E) of the ridges of the fastening-nut thread(13, 23 or 33) and the reverse direction thread(14, 24 or 34) and a junction(C) of the grooves of the fastening- nut thread(13, 23 or 33) and the reverse direction thread(14, 24 or 34), while the ridges of one of the fastening-nut thread(13, 23 or 33) and the reverse direction thread(14, 24 or 34) are cut by the grooves of the other of the fastening-nut thread(13, 23 or 33) and the reverse direction thread(14, 24 or 34) in ajunction(B) of the ridges of the fastening-nut thread(13, 23 or 33) and the grooves of the reverse direction thread(14, 24 or 34) or in a junction(D) of the grooves of the fastening-nut thread(13, 23 or 33) and the ridges of the reverse direction thread(14, 24 or 34).
  • the ridges and the grooves appear in a diamond shape in a front view and remaining shapes of each ridges thereof are the same with each other, while, in case pitches(Pa,Pc) of the grooves of the reverse direction thread(14, 24 or 34) are twice pitches of the ridges of the fastening-nut thread(13, 23 or 33) as in Figs. 1 and 3, ridges of the fastening-nut thread(13, 23 or 33) have different remaining shapes according to positions as shown in various shapes in front views as in Figs. 1 and 3. As in Figs. 5, 6 and 8, every other ridge between adjoining female threads is completely cut, becoming simple cylinder shape.
  • non-thread portion(15, 25 or 35) is included in these em- bodiments, only a thread portion can be formed with no non-thread portion(15, 25 or 35) as in Figs. 10 to 12. Also, the non-thread portion(15, 25 or 35) and the fastening- nut thread(13, 23 or 33) have almost similar external diameters, respectively, but can be formed on different external diameters.
  • each lead angle(L) can be different in Figs. 1 and 3.
  • the female thread is formed through the plate member(53) and the fastening-nut thread(13, 23 or 33) in the fastening thread portion length(Y) of the bolt(l ⁇ ) is fastened to the female thread, the second nut(42, 43 or 44) for looseness prevention being fastened to the reverse direction thread(14, 24 or 34) in the rear looseness prevention thread portion length(Z) protruded in the rear and looseness being perfectly prevented as described above.
  • the female threaded plate member(53) may be another parent member, and in case of being fastened thus, an external diameter of the non-thread portion length(X) is generally formed largely. Therefore, the foregoing first nut(41) for fastening should be interpreted as a concept including the female threaded plate member(53).
  • FIG. 9 is a schematical sectional view illustrating structures of a bolt and a nut for looseness prevention according to another embodiment of the present invention with their fastened structure.
  • FIG. 9 relates to the fastened structure of a bolt and a nut for looseness prevention for fastening the parent member(50) and the parent member(50), the parent member(50) and the connecting plate members(51,52), etc., by fastening the first nut(41) to a fastening-nut thread(61) formed at the end of the bolt.
  • the nut for fastening in Fig. 9 is a double purpose nut(70) both for fastening and for looseness prevention, in which a female thread is formed for mating engagement with the fastening-nut thread(61) and a reverse direction thread to the female thread is formed in an overlap configuration with the female thread on the same internal diameter of the nut(70), and the bolt in Fig. 9 is a bolt(60) on which a reverse direction thread(62) to the fastening-nut thread(61) is formed in an overlap con ⁇ figuration and on the same external diameter with the fastening-nut thread(61) in the portion of the fastening-nut thread(61).
  • the double purpose nut(70) is fastened to the thread portion of the bolt(60) protruded opposite to a bolt head.
  • the double purpose nut(70) is fastened to the fastening-nut thread(61) in the fastening direction of the fastening-nut thread(61) to a position in which the double purpose nut(70) can be also fastened to the reverse direction thread(62) by the reverse direction rotation.
  • the double purpose nut(70) is rotated a little in the reverse direction within the range not to be separated from the fastening-nut thread(61) and is fastened to the reverse direction thread(62). At this time, it is required to fasten the double purpose nut(70) in the reverse direction with an addition of a force, because the fastening force is further increased. Since a fastening force is further increased even if the double purpose nut(70) is rotated in any direction by vibration, etc., the fastening is realized by only the double purpose nut(70) and looseness of the double purpose nut is perfectly prevented.
  • the above-mentioned bolt(10,20,30,60), the first nut(41) for fastening, the second nut(42, 43 or 44) for looseness prevention, the double purpose nut(70) for fastening and for looseness prevention can be changed within the design range according to various thread kinds, such as the thread line number, the thread ridge shapes, the thread parallel or its inclined degree, etc., except the above-mentioned constructions, and in case of employing a washer and even in case the non-thread portion length(X) is formed a little longer than the total width(W,Wb) of the unfastened members, the first nut(41) and the second nut(42, 43 or 44) can be fastened, and the general technique about threads can be adapted or changed within the scope of the present invention besides the above-mentioned technical principles of the present invention.
  • a bolt(10, 20 or 30), on which a right-handed thread and a left-handed thread are formed on the same external diameter in an overlap configuration can be fastened to the nut or the female threaded hole simply by rotating the bolt(10, 20 or 30) in any one direction of a right-hand direction and a left-hand direction even if the female thread is of any one direction of the right-hand direction and the left-hand direction. Also, in case two nuts are fastened for looseness prevention, the two nuts are fastened in the reverse directions to each other, thereby preventing looseness of the nuts more effectively.
  • FIGs. 10 to 12 illustrate, as schematical front views, a structure of bolt(110, 120 or 130) according to still another embodiments of the present invention, respectively, and Figs. 13 to 14 as schematical sectional views illustrate examples of structures to fasten a first member and a second member using the bolt.
  • the fastening process is shown using the bolt of Fig. 10
  • Figs. 16 to 18 a schematical sectional view of a fastened state using the above-mentioned bolts is il ⁇ lustrated, repectively.
  • 10 to 12 has a male thread portion(l 11, 121 or 131) below a bolt head without a non- thread portion(15, 25 or 35), differently from that having the non-thread portion(15, 25 or 35), but if necessary, the non-thread portion(15, 25 or 35) can be formed.
  • the external diameters are circumferentially different from one the other because the ridges have shapes cut by grooves of each other's thread. That is, ridges and grooves are formed in normal shapes in a junction(A,E) of the ridges of the right-handed thread(13, 23 or 33) and the left-handed thread(14, 24 or 34) and a junction(C) of the grooves of the right-handed thread(13, 23 or 33) and the left-handed thread(14, 24 or 34), while the ridges of one of the right-handed thread(13, 23 or 33) and the left- handed thread(14, 24 or 34) are cut by the grooves of the other one of the right-handed thread(13, 23 or 33) and the left-handed thread(14, 24 or 34) in a junction(B) of the ridges of the right-handed thread(13, 23 or 33) and the grooves of the left-handed thread(14,
  • ridges of the right-handed thread(13, 23 or 33) are cut by volumes overlapped by the grooves of the left-handed thread(14, 24 or 34).
  • pitches(Pb) are the same between the ridges or the grooves of the right-handed thread(13, 23 or 33) and the left-handed thread(14, 24 or 34) as in Fig. 11
  • the ridges and the grooves appear in a diamond shape in a front view and remaining shapes of each ridges thereof are the same with each other, and thus the fastening force of the first nut(41) and the second nut(43) are the same in case each has the same height as in Fig. 17.
  • pitches(Pa,Pc) of the grooves of the left-handed thread(14, 24 or 34) are twice pitches of the ridges of the right-handed thread(13, 23 or 33) as in Figs. 10 and 12
  • ridges of the right-handed thread(13, 23 or 33) have different remaining shapes according to positions as shown in various shapes in front views as in Figs. 10 and 12.
  • Figs. 14, 16 and 18, every other ridge between adjoining female threads is completely cut, becoming simple cylinder shape.
  • each lead angle(L) can be different in Figs. 10 and 12.
  • a through hole can be provided for the first member(80) as in the second member(81), and the first member(80) and the second member(81) can be fastened by the first nut(41) and/or the second nut(42) in the similar manner to that in Fig. 14 or Fig. 16. Furthermore, as in Figs.
  • the first nut(41) and/or the second nut(42, 43 or 44) can be fastened to the end of the bolt protruded from the bolt holes opposite to a bolt head after passing through each bolt hole of a parent member(50) and connecting plate members(51,52).
  • the second nut(42, 43 or 44) can be fastened to the protruded end after fastening to the female threaded hole(80b) of the first member(80) so as to pass through the female threaded hole(80b).
  • the bolt can be fastened directly to a female threaded hole(80a or 80b) without the first nut(41) as in Fig. 13 or Fig. 14, so that the parent member(80) and the parent member(80) of machine apparatus, structures, etc., can be fastened and fixed.
  • Fig. 19 illustrates a schematical sectional view of another example of a fastened structure of a bolt(160) according to further another embodiment of the present invention.
  • the nut is a double purpose nut(70) both for fastening and for looseness prevention, said nut having both threads formed for mating engagement with the right-handed thread(61) and the left-handed thread(62) of the bolt(160) in an overlap configuration in the same internal diameter as in Fig. 9.
  • the bolt(160) passes through each bolt hole of the parent member(50) and the connecting plate members(51,52), etc., and then, the double purpose nut(70) is fastened to the thread portion of the bolt(160) protruded opposite to a bolt head.
  • the double purpose nut(70) is fastened to the right-handed thread(61) in the fastening direction of the right-handed thread(61) to a position in which the double purpose nut(70) can be also fastened to the left-handed thread(62) by the reverse direction rotation(including the fastening position with adding pressure).
  • the above-mentioned bolt(l 10, 120, 130 or 160), the first nut(41) for fastening, the second nut(42, 43 or 44) for looseness prevention, the double purpose nut(70) for fastening and for looseness prevention can be easily changed within the design range according to various thread kinds of bolts and nuts, such as a stud bolt, a round head screw, the thread line number, the thread ridge shapes, the thread parallel or its inclined degree, etc., except the above-mentioned constructions.
  • the first nut(41) and the second nut(42, 43 or 44) can be fastened, and the general technique about threads can be adapted or changed within the scope of the present invention besides the above-mentioned technical principles of the present invention.
  • the present invention as a bolt structure, or a bolt and nut assembly structure, can be utilized instead of fastening by the conventional bolts or bolts and nuts in various machine apparatus, various structures, various constructions, etc., because unification can be achieved by being capable of being fastened regardless of directions of their screw threads, looseness can be completely prevented due to stronger strength for looseness-prevention, and also process or manufacture and fastening assembly can become easier even with simple construction.

Landscapes

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

Abstract

La présente invention concerne une structure de boulon et une structure d'ensemble boulon et écrou, cet ensemble pouvant être lié par un serrage sans qu'il soit nécessaire de tenir compte du sens des filetages et dont un dévissage à cause d'une force trop importante destinée à prévenir un desserrage est complètement empêché et, cette invention permet un processus de production et une fabrication plus facile. Le boulon est une tige filetée mâle (111, 121 ou 131) sur laquelle un filetage est formé de façon que cette tige soit fixée à un écrou ou à un trou fileté femelle, cette tige filetée mâle (111, 121 ou 131) possédant un filetage à droite et un filetage à gauche (14, 24 ou 34) formés sur le même diamètre extérieur, la tige filetée mâle présentant une configuration de chevauchement de sorte que la tige filetée mâle puisse être fixée à l'écrou ou au trou fileté femelle par une simple rotation de la tige filetée dans n'importe quel sens, à droite ou à gauche, quel que soit le sens du filetage (à droite ou à gauche) de l'écrou ou du trou fileté femelle .
PCT/KR2005/002462 2004-09-09 2005-07-28 Structure de boulon et structure d'ensemble boulon et ecrou WO2006028327A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020040072146A KR20060023331A (ko) 2004-09-09 2004-09-09 풀림방지체결볼트의 구조와 풀림방지체결볼트너트의체결구조
KR10-2004-0072146 2004-09-09
KR20-2004-0030201U KR200372270Y1 (ko) 2004-10-26 2004-10-26 볼트의 구조
KR20-2004-0030201 2004-10-26

Publications (1)

Publication Number Publication Date
WO2006028327A1 true WO2006028327A1 (fr) 2006-03-16

Family

ID=36046767

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2005/002462 WO2006028327A1 (fr) 2004-09-09 2005-07-28 Structure de boulon et structure d'ensemble boulon et ecrou

Country Status (1)

Country Link
WO (1) WO2006028327A1 (fr)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256371A1 (fr) * 2008-02-20 2010-12-01 Hiroshi Michiwaki Corps fileté à double extrémité et corps taraudé
CN102312899A (zh) * 2011-08-24 2012-01-11 成都科盛石油科技有限公司 具有双向螺纹的紧固装置
CN104653582A (zh) * 2013-11-18 2015-05-27 张响红 一种反正丝螺丝钉
CN105240380A (zh) * 2015-09-29 2016-01-13 玉环胜友工具有限公司 用于防松脱机械紧固机构的单向转动结构
CN108138829A (zh) * 2015-08-17 2018-06-08 韦尔休尔科技有限公司 用于可调节螺纹轴的锁定螺母结构
CN108240391A (zh) * 2016-12-23 2018-07-03 李瑛� 一种不松动的螺丝
CN110452720A (zh) * 2019-08-29 2019-11-15 济钢集团国际工程技术有限公司 干熄焦自动定位系统执行机构防松及行程校准装置
EP3447316A4 (fr) * 2016-04-18 2019-11-27 Nejilaw Inc. Corps de vis mâle, corps de vis femelle, procédé de conception de corps de vis, structure de filet
WO2020227674A1 (fr) * 2019-05-08 2020-11-12 XR Downhole, LLC Mécanisme de positionnement fileté
US10968991B2 (en) 2018-07-30 2021-04-06 XR Downhole, LLC Cam follower with polycrystalline diamond engagement element
US11014759B2 (en) 2018-07-30 2021-05-25 XR Downhole, LLC Roller ball assembly with superhard elements
US11035407B2 (en) 2018-07-30 2021-06-15 XR Downhole, LLC Material treatments for diamond-on-diamond reactive material bearing engagements
CN113074180A (zh) * 2021-02-19 2021-07-06 何天麟 分离式螺母
US11054000B2 (en) 2018-07-30 2021-07-06 Pi Tech Innovations Llc Polycrystalline diamond power transmission surfaces
US11109670B2 (en) 2016-10-27 2021-09-07 Steelcase Inc. Flip top table
US11187040B2 (en) 2018-07-30 2021-11-30 XR Downhole, LLC Downhole drilling tool with a polycrystalline diamond bearing
US11225842B2 (en) 2018-08-02 2022-01-18 XR Downhole, LLC Polycrystalline diamond tubular protection
US11242891B2 (en) 2018-07-30 2022-02-08 XR Downhole, LLC Polycrystalline diamond radial bearing
US11286985B2 (en) 2018-07-30 2022-03-29 Xr Downhole Llc Polycrystalline diamond bearings for rotating machinery with compliance
US11371556B2 (en) 2018-07-30 2022-06-28 Xr Reserve Llc Polycrystalline diamond linear bearings
US11603715B2 (en) 2018-08-02 2023-03-14 Xr Reserve Llc Sucker rod couplings and tool joints with polycrystalline diamond elements
WO2023162404A1 (fr) * 2022-02-25 2023-08-31 志郎 畠山 Structure de fixation sans desserrage
US11994006B2 (en) 2023-04-14 2024-05-28 Xr Reserve Llc Downhole drilling tool with a polycrystalline diamond bearing

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61184115U (fr) * 1985-05-08 1986-11-17
JPH06307427A (ja) * 1993-04-20 1994-11-01 Daikichi:Kk 物体の固定構造
JPH0684017U (ja) * 1993-05-07 1994-12-02 清富 林 固いねじ締付け装置
JPH0743491U (ja) * 1993-12-30 1995-08-22 哲也 籾井 外部逆ネジ型脱落防止ボルト，ナット
KR19980060388U (ko) * 1997-03-11 1998-11-05 권재기 너트의 풀림 방지장치
JP2002106534A (ja) * 2000-09-28 2002-04-10 Noboru Nakade 「ｗボルト」（ダブルボート）

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61184115U (fr) * 1985-05-08 1986-11-17
JPH06307427A (ja) * 1993-04-20 1994-11-01 Daikichi:Kk 物体の固定構造
JPH0684017U (ja) * 1993-05-07 1994-12-02 清富 林 固いねじ締付け装置
JPH0743491U (ja) * 1993-12-30 1995-08-22 哲也 籾井 外部逆ネジ型脱落防止ボルト，ナット
KR19980060388U (ko) * 1997-03-11 1998-11-05 권재기 너트의 풀림 방지장치
JP2002106534A (ja) * 2000-09-28 2002-04-10 Noboru Nakade 「ｗボルト」（ダブルボート）

Cited By (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2256371A4 (fr) * 2008-02-20 2013-10-16 Hiroshi Michiwaki Corps fileté à double extrémité et corps taraudé
EP2256371A1 (fr) * 2008-02-20 2010-12-01 Hiroshi Michiwaki Corps fileté à double extrémité et corps taraudé
US10125808B2 (en) 2008-02-20 2018-11-13 NejiLaw inc. Double-end threaded body and internally-threaded body
CN102312899A (zh) * 2011-08-24 2012-01-11 成都科盛石油科技有限公司 具有双向螺纹的紧固装置
CN104653582A (zh) * 2013-11-18 2015-05-27 张响红 一种反正丝螺丝钉
CN108138829A (zh) * 2015-08-17 2018-06-08 韦尔休尔科技有限公司 用于可调节螺纹轴的锁定螺母结构
CN105240380A (zh) * 2015-09-29 2016-01-13 玉环胜友工具有限公司 用于防松脱机械紧固机构的单向转动结构
EP3447316A4 (fr) * 2016-04-18 2019-11-27 Nejilaw Inc. Corps de vis mâle, corps de vis femelle, procédé de conception de corps de vis, structure de filet
US11589672B2 (en) 2016-10-27 2023-02-28 Steelcase Inc. Flip top table
US11109670B2 (en) 2016-10-27 2021-09-07 Steelcase Inc. Flip top table
CN108240391A (zh) * 2016-12-23 2018-07-03 李瑛� 一种不松动的螺丝
US11286985B2 (en) 2018-07-30 2022-03-29 Xr Downhole Llc Polycrystalline diamond bearings for rotating machinery with compliance
US11655679B2 (en) 2018-07-30 2023-05-23 Xr Reserve Llc Downhole drilling tool with a polycrystalline diamond bearing
US11035407B2 (en) 2018-07-30 2021-06-15 XR Downhole, LLC Material treatments for diamond-on-diamond reactive material bearing engagements
US11970339B2 (en) 2018-07-30 2024-04-30 Xr Reserve Llc Roller ball assembly with superhard elements
US11054000B2 (en) 2018-07-30 2021-07-06 Pi Tech Innovations Llc Polycrystalline diamond power transmission surfaces
US10968991B2 (en) 2018-07-30 2021-04-06 XR Downhole, LLC Cam follower with polycrystalline diamond engagement element
US11187040B2 (en) 2018-07-30 2021-11-30 XR Downhole, LLC Downhole drilling tool with a polycrystalline diamond bearing
US11371556B2 (en) 2018-07-30 2022-06-28 Xr Reserve Llc Polycrystalline diamond linear bearings
US11242891B2 (en) 2018-07-30 2022-02-08 XR Downhole, LLC Polycrystalline diamond radial bearing
US11274731B2 (en) 2018-07-30 2022-03-15 Pi Tech Innovations Llc Polycrystalline diamond power transmission surfaces
US11761481B2 (en) 2018-07-30 2023-09-19 Xr Reserve Llc Polycrystalline diamond radial bearing
US11746875B2 (en) 2018-07-30 2023-09-05 Xr Reserve Llc Cam follower with polycrystalline diamond engagement element
US11014759B2 (en) 2018-07-30 2021-05-25 XR Downhole, LLC Roller ball assembly with superhard elements
US11608858B2 (en) 2018-07-30 2023-03-21 Xr Reserve Llc Material treatments for diamond-on-diamond reactive material bearing engagements
US11499619B2 (en) 2018-07-30 2022-11-15 David P. Miess Cam follower with polycrystalline diamond engagement element
US11603715B2 (en) 2018-08-02 2023-03-14 Xr Reserve Llc Sucker rod couplings and tool joints with polycrystalline diamond elements
US11225842B2 (en) 2018-08-02 2022-01-18 XR Downhole, LLC Polycrystalline diamond tubular protection
WO2020227674A1 (fr) * 2019-05-08 2020-11-12 XR Downhole, LLC Mécanisme de positionnement fileté
US11835078B2 (en) 2019-05-08 2023-12-05 Xr Reserve Llc Threaded positioning mechanism
CN110452720B (zh) * 2019-08-29 2024-04-09 济钢集团国际工程技术有限公司 干熄焦自动定位系统执行机构防松及行程校准装置
CN110452720A (zh) * 2019-08-29 2019-11-15 济钢集团国际工程技术有限公司 干熄焦自动定位系统执行机构防松及行程校准装置
CN113074180A (zh) * 2021-02-19 2021-07-06 何天麟 分离式螺母
WO2023162404A1 (fr) * 2022-02-25 2023-08-31 志郎 畠山 Structure de fixation sans desserrage
US11994006B2 (en) 2023-04-14 2024-05-28 Xr Reserve Llc Downhole drilling tool with a polycrystalline diamond bearing

Similar Documents

Publication Publication Date Title
WO2006028327A1 (fr) Structure de boulon et structure d'ensemble boulon et ecrou
JP3764420B2 (ja) 締結具
US4826376A (en) Lock nut and method for making same
JP5155189B2 (ja) 少なくとも２つのパーツを有するナット
JP3476472B2 (ja) 斜め差し防止ポイントつき締結材とその組立方法
TWI555919B (zh) Nut structure
JP4276775B2 (ja) ねじ部材
US20080219801A1 (en) Screw Fastener
JP2010540872A (ja) ロック要素およびボルト継手
CA1126063A (fr) Outil de taraudage
JP5643582B2 (ja) ねじ付きボルト及びナットを有するねじ継手
JP6757101B2 (ja) 緩み止め締結構造
US5439337A (en) Lock nut
CA2349554C (fr) Attache
JPH07332340A (ja) 締結部の緩み止め構造
KR200372270Y1 (ko) 볼트의 구조
JPH09317732A (ja) セルフロック・タッピングねじ部材
EP0101783B1 (fr) Jeu d'écrou ne pouvant se desserrer et contre-écrou
KR20060023331A (ko) 풀림방지체결볼트의 구조와 풀림방지체결볼트너트의체결구조
JP7403170B2 (ja) 緩み止めナットとその締付方法
JPH0579028U (ja) 緩み止めダブルナット
KR20150039336A (ko) 로크 너트 어셈블리
WO2024111150A1 (fr) Outil de fixation
JPH02225816A (ja) 分割ナット
CN216263668U (zh) 一种轴向防脱落抱箍式模块化钻头

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KM KP KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
DPE2 Request for preliminary examination filed before expiration of 19th month from priority date (pct application filed from 20040101)
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase