WO2013147469A1 - Écrou à verrouillage précis du type intégré - Google Patents

Écrou à verrouillage précis du type intégré Download PDF

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Publication number
WO2013147469A1
WO2013147469A1 PCT/KR2013/002396 KR2013002396W WO2013147469A1 WO 2013147469 A1 WO2013147469 A1 WO 2013147469A1 KR 2013002396 W KR2013002396 W KR 2013002396W WO 2013147469 A1 WO2013147469 A1 WO 2013147469A1
Authority
WO
WIPO (PCT)
Prior art keywords
nut body
nut
fastening
screw
lock nut
Prior art date
Application number
PCT/KR2013/002396
Other languages
English (en)
Korean (ko)
Inventor
황창연
Original Assignee
두리마이텍 주식회사
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
Application filed by 두리마이텍 주식회사 filed Critical 두리마이텍 주식회사
Publication of WO2013147469A1 publication Critical patent/WO2013147469A1/fr

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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
    • 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
    • F16B39/22—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
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/04—Locking of screws, bolts or nuts in which the locking takes place after screwing down with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, a wedge, cotter-pin, screw

Definitions

  • the present invention relates to an integrated precision lock nut, and more particularly, to a fastening screw which is fixed to a fastening screw of a precision part such as a bearing of a machine tool or an industrial machine, by forming cutouts integrally cut on both sides of the nut main body and fastening screw.
  • the present invention relates to an integral precision lock nut that can not only completely fix the nut body to the nut body but also can easily fasten the nut body to the fastening screw.
  • the precision machinery has a very important influence on the lock nut which fastens the bearing to the rotating shaft as well as the precision of the bearing which is fastened to the rotating shaft.
  • the lock nut is used as a means for preventing loosening by fastening a bearing fixed to the rotating shaft of a precision machine.
  • the preventing means is a very important factor for maintaining precision in the precision machinery.
  • the squareness of the cross section has a significant effect on the prevention of loosening.
  • a conventional lock nut is a nut main body (1) coupled to a rotating shaft screw of a mechanical device, and a fixing pin made of brass inside the nut main body (1) (2) is inserted, and the fixing pin (3) of the bolt type is provided on the upper side of the fixing pin (2) and rotates left and right using a fastening mechanism, the fixing pin (2) is in close contact with the screw screw portion of the rotating shaft This prevents the nut body 1 from being loosened from the screw.
  • the conventional lock nut has a structure in which a part of the fixing pin 2 is fixed to the screw of the mechanical device, so that the contact area to be fixed is very small, so that the forward and reverse rotation of the screw of the rotating shaft occurs repeatedly or the rotating shaft is operated at high speed.
  • the nut body (1) is loosened, so there is a problem that it is difficult to use for fastening the precision parts that can be tightened precisely, and provided with a fixing pin (2) separately and to seat the nut pin (2)
  • the manufacturing cost is increased because the process for forming the fixing groove in (1) takes.
  • an object of the present invention is to form a cut-out portion on both sides of the nut body to easily fix the nut body to the fastening screw, the screw thread and the nut body of the fastening screw
  • the nut body is perfectly fixed to the fastening screw by tightening to increase the screw area of the thread of the screw, and the precision parts can be used safely.
  • the nut body can be easily fastened to the fastening screw by fastening the bolt to the integral nut body. To provide an integrated precision lock nut.
  • the integrated precision lock nut according to the present invention for achieving the above object is a lock nut which is combined with a fastening screw used for fastening precision parts to prevent loosening, and a central portion thereof penetrates the inner screw to be fastened to the fastening screw.
  • a threaded nut body is provided, and one side of the nut body is formed with a first cutout cut in the circumferential direction so as to form a first gap having a gap therein, and penetrates upward on an upper surface of the first cutout.
  • a first fastening hole having a screw thread formed at a circumference thereof is provided, and a recessed groove is formed to insert a fastening mechanism on the top thereof, and is fastened to the first fastening hole.
  • a first tannery bolt is provided to fix it,
  • the other side of the nut main body is formed with a second incision cut in the circumferential direction so that a second gap is formed in the inner space, the second fastening hole penetrated to the upper side and the thread formed on the inner circumference It is provided with a recessed groove is formed so that the wrench is inserted into the upper fastening to the second fastening hole and moved up and down to adjust the second interval portion is provided with a second tannery bolt to fix the nut body to the fastening screw It features.
  • the outer periphery of the nut body is formed with a plurality of fastening indentation to be easily fastened to the fastening screw
  • the first seating groove is formed in the lower side of the first incision so that the first tanning bolt is seated at the same time Shanghai
  • the lower side of the second incision is characterized in that the second seating groove is recessed so that the second tannery bolt is seated at the same time in Shanghai.
  • the nut part of the nut body is in close contact with the screw part of the fastening screw, and it can be completely fixed.
  • Second, by adjusting the gap cut in the inner side of the nut body can not only fasten the nut body to the fastening screw very easily, but also improves productivity by eliminating the need for a fixing pin used in the past.
  • 1 is a schematic diagram showing a conventional lock nut.
  • FIG. 2 is a schematic view showing a lock nut according to the present invention.
  • Figure 3 is a cross-sectional view of the lock nut is fastened to the fastening screw according to the invention.
  • Figure 3 is a state diagram of fastening the lock nut to the fastening screw according to the invention.
  • the integrated precision lock nut according to the present invention is a lock nut coupled with the fastening screw 10 used to fasten the precision parts, and is prevented from loosening.
  • a nut body 20 having a screw thread formed on an inner circumference is penetrated by a central portion so as to be fastened to the center.
  • One side of the nut body 20 is formed with a first cutout portion 22 cut in the circumferential direction of the first interval portion 21 so that a gap is formed inside.
  • An upper surface of the first cutout 22 is provided with a first fastening hole 23 penetrating upward and having a screw thread formed on an inner circumference thereof.
  • the fastening screw 10 is fastened to the first fastening hole 23 and the recess is formed so that the wrench is inserted in the upper portion and moved up and down by the rotation of the wrench to adjust the first gap 21 to the fastening screw 10.
  • a first tannery bolt 31 for fixing the nut main body 20 is provided.
  • a second cutout portion 25 cut in the circumferential direction is formed at the other side of the nut main body 20 so as to form a gap-shaped second gap portion 24 therein, and the second cutout portion 25 is formed.
  • a second fastening hole 26 is formed on the upper surface of the upper thread and has a screw thread formed on an inner circumference thereof, and a recess is formed in the upper part so that a fastening mechanism such as a wrench is inserted therein and fastened to the second fastening hole 26.
  • a second tannery bolt 32 is provided to move up and down to adjust the second gap 24 to fix the nut main body 20 to the fastening screw 10.
  • the outer periphery of the nut body 20 is provided with a plurality of concave inlet portion 27 concaved so that when the nut body 20 is fastened to the fastening screw 10 to prevent slipping.
  • a first seating groove 22a recessed to allow the first tannery bolt 31 to be seated at the same time in Shanghai is formed below the first cutout 22, and below the second cutout 25.
  • the second seating groove 25a is formed to be recessed to be seated at the same time as the second tannery bolt 32.
  • the integrated precision lock nut according to the present invention, the nut body 20 is fastened to the fastening screw 10 in which the bearing (B) is seated on the axis of rotation of the precision component, the fastening screw ( The loosening of the bearing B of 10) is prevented.
  • the first cutout portion 22 is cut in the circumferential direction of the first gap portion 21 so that a gap is formed at one side of the nut body 20, and the center portion of the upper surface of the first cutout portion 22 is formed.
  • the first fastening hole 23 having a thread formed on the inner circumference thereof penetrates upward, and inserts and fastens the first tannery bolt 31 to the inner side of the first fastening hole 23 to thereby secure the first gap 21. Is adjusted to fix the nut body 20 to the fastening screw (10).
  • the first recessed groove 31a is formed in the upper surface of the first tannery bolt 31, and when the fastening mechanism such as a wrench is inserted into the first recessed groove 31a and rotated, the first tannery bolt 31 is formed.
  • the screw formed on the entire outer circumference of the) is engaged with the screw formed inside the first fastening hole 23 to be fastened so that the force of the screw that is rotated even in a narrow space is transmitted to the first cutout 22 as it is.
  • the main body 20 can be completely fixed to the fastening screw 10, the screw thread of the fastening screw 10 and the screw thread of the nut body 20 can be tightly fastened.
  • the other side of the nut body 20 is cut inside the second cutout portion 25 in the circumferential direction of the gap-shaped second interval portion 24, the upper side of the center of the upper surface of the second cutout portion 25
  • the second fastening hole 26 having a thread formed therein penetrates upward, and inserts the second tannery bolt 32 inside the second fastening hole 26 to fasten with a fastening mechanism 1 such as a wrench.
  • the second gap 24 is adjusted so that the nut main body 20 can be fixed to the fastening screw 10 at the other side as well as the first cutouts 22 at both sides of the nut main body 20 to the fastening screw 10.
  • the second incision 25 is fixed to two places can be used safely.
  • the nut main body 20 is fastened to the fastening screw 10 by using a hand or a fastening mechanism by forming a plurality of concave inlet portions 27 formed on the outer circumference of the nut body 20, slippage is prevented. It can be fastened easily.
  • a first seating groove 22a recessed in the lower surface of the first cutout 22 is formed so that the lower end portion of the first tannery bolt 31 is seated in the first seating groove 22a, so that the first tannery bolt is provided.
  • the first tannery bolt 31 is securely secured, so that the nut main body 20 can be conveniently fastened to the fastening screw 10, and the lower part of the second incision 25 is recessed.
  • a second seating groove 25a is formed so that the lower end of the second tannery bolt 31 is seated in the second seating groove 25a so that the second tannery bolt 32 is secured at the same time as the second tannery bolt 32 is shanghai.
  • the nut body 20 can be conveniently fastened to the fastening screw 10.

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

Abstract

La présente invention comprend : un corps d'écrou (20) qui est accouplé à une vis d'accouplement (10) ; une première partie taillée (22) qui est formée sur un côté du corps d'écrou (20) par un taillage dans une direction circonférentielle ; un premier trou d'accouplement (23) qui porte un filetage formé sur la périphérie intérieure du côté supérieur de la première partie taillée (22) ; et une première vis sans tête (31) qui bloque le corps d'écrou (20) sur la vis d'accouplement (10) par ajustement de la première partie coupée (22). De cette façon, le corps d'écrou peut être bloqué sur la vis d'accouplement grâce à la formation de la première partie taillée qui est taillée sur le premier côté du corps d'écrou, le corps d'écrou peut aussi être bloqué sur la vis d'accouplement de l'autre côté du corps d'écrou, par formation d'une seconde partie taillée de l'autre côté du corps d'écrou, les deux côtés du corps d'écrou peuvent être utilisés par blocage sur la vis d'accouplement ; et le corps d'écrou peut facilement être accouplé à la vis d'accouplement par la formation de parties évidées servant à empêcher le corps d'écrou de glisser sur la périphérie extérieure du corps d'écrou.
PCT/KR2013/002396 2012-03-27 2013-03-25 Écrou à verrouillage précis du type intégré WO2013147469A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120031210A KR101202803B1 (ko) 2012-03-27 2012-03-27 일체형 정밀로크너트
KR10-2012-0031210 2012-03-27

Publications (1)

Publication Number Publication Date
WO2013147469A1 true WO2013147469A1 (fr) 2013-10-03

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ID=47564968

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2013/002396 WO2013147469A1 (fr) 2012-03-27 2013-03-25 Écrou à verrouillage précis du type intégré

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KR (1) KR101202803B1 (fr)
WO (1) WO2013147469A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109538605B (zh) * 2017-09-21 2023-08-29 孙愉后 紧固件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662445A (en) * 1996-03-06 1997-09-02 The Timken Company Locking nut
KR20000010177U (ko) * 1998-11-17 2000-06-15 김종수 풀림방지용 너트
KR200343780Y1 (ko) * 2003-12-17 2004-03-06 옥한석 로크너트
KR20120006388A (ko) * 2010-07-12 2012-01-18 삼성중공업 주식회사 로크 너트

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5662445A (en) * 1996-03-06 1997-09-02 The Timken Company Locking nut
KR20000010177U (ko) * 1998-11-17 2000-06-15 김종수 풀림방지용 너트
KR200343780Y1 (ko) * 2003-12-17 2004-03-06 옥한석 로크너트
KR20120006388A (ko) * 2010-07-12 2012-01-18 삼성중공업 주식회사 로크 너트

Also Published As

Publication number Publication date
KR101202803B1 (ko) 2012-11-19

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