KR101960718B1 - Attach nut with a locking feature - Google Patents

Attach nut with a locking feature Download PDF

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Publication number
KR101960718B1
KR101960718B1 KR1020150073671A KR20150073671A KR101960718B1 KR 101960718 B1 KR101960718 B1 KR 101960718B1 KR 1020150073671 A KR1020150073671 A KR 1020150073671A KR 20150073671 A KR20150073671 A KR 20150073671A KR 101960718 B1 KR101960718 B1 KR 101960718B1
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KR
South Korea
Prior art keywords
protrusions
bolt
nut
attachment plate
hollow
Prior art date
Application number
KR1020150073671A
Other languages
Korean (ko)
Other versions
KR20160139197A (en
Inventor
최상억
Original Assignee
최상억
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Publication date
Application filed by 최상억 filed Critical 최상억
Priority to KR1020150073671A priority Critical patent/KR101960718B1/en
Publication of KR20160139197A publication Critical patent/KR20160139197A/en
Application granted granted Critical
Publication of KR101960718B1 publication Critical patent/KR101960718B1/en

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    • 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
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/044—Nut cages
    • 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
    • F16B39/34—Locking by deformable inserts or like parts

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

Abstract

The present invention is characterized in that two objects are fixed by a bolt and an attaching plate so that a plurality of protrusions formed on an outer circumferential surface of the attaching plate and being caught in one of the objects are separated as far as possible from the bolt, And an object of the present invention is to provide an attachment nut having an anti-loosening function that does not damage an object even if the object is made of a thin and weak material because the force transmitted to the protrusions is reduced in the process of tightening and loosening the bolt.
To this end, the present invention is characterized in that a hollow bolt fitting portion into which a bolt is fitted is provided at a lower center of an attachment plate; A hollow projecting portion for fitting a nut is provided at an upper center of the attachment plate, and a hollow pressing portion for pressing and fixing the upper end of the nut is provided at an upper end of the projecting portion; Wherein the protrusions are formed in a circular arc shape so that the outer circumferential surface of the attachment plate is vertically downwardly extended to have the same circular arc surface, Are provided; One side of the protrusions is formed as a vertical strut, and the opposite side of the protrusions is formed with a sloping blade so that the protrusions are embedded in the object without being warped.

Description

Attach nut with a locking feature "

An object of the present invention is to provide an attachment nut having an anti-loosening function. More specifically, the present invention relates to an attachment nut having an anti- The force transmitted to the protrusions in the process of tightening and loosening the bolts due to the increase of the rotation moment of the protrusions is reduced so that even when the object is made of a thin and weak material, To an attaching nut having a function of preventing an accident.

In general, an attaching nut is used when a nut fastened to a bolt is fixedly attached to a surface of an object, and is used when the nut can not be held and fixed by a spanner when the bolt is loosened and tightened. When the nut is placed in a narrow space after the bolt nut is tightened so that the hands of the operator do not touch or when the bolt nut is tightened and the object on the nut side is fixed to the wall so as not to move, There is a difficulty in unpacking and tightening.

In this case, it is necessary that the nut is fixed to the object without being moved. Japanese Patent Laid-Open No. 2001-0050188 discloses a configuration in which a protrusion is formed on the outer circumference of a nut to be embedded in an object. In addition, in the prior art No. 392845, a configuration in which a projection is formed on the outer circumferential surface of a nut under the so-called visible nut is registered, and in Patent No. 863200, a projection is formed on the outer periphery of the bolt head.

However, the protrusions formed on the outer circumferences of the nuts and bolts have a disadvantage in that the width of the protrusions wider than the thickness is radially approximated toward the centers of the nuts and the bolts, thereby reducing the rotation moment. Therefore, since the torsional stress acting on these protrusions is large in the course of unscrewing the bolts or nuts, the protrusions must be relatively thick and rigid. In the case where the object is thin and weak, there is a problem that the object can not stand up due to the twisting force acting on the protrusions, and the object is broken or broken. Therefore, the conventional techniques have technical limitations that can not be applied to thin and weak materials.

SUMMARY OF THE INVENTION The present invention has been developed in view of the foregoing problems, and it is an object of the present invention to provide a bolt and an attaching plate for fixing two objects, wherein a plurality of protrusions formed on an outer circumferential surface of the attaching plate, The force transmitted to the protrusions in the process of tightening and loosening the bolts due to the increase of the rotation moment of the protrusions is reduced so that even when the object is made of a thin and weak material, And an attachable nut having a function as a nut.

To this end, the present invention is characterized in that a hollow bolt fitting portion into which a bolt is fitted is provided at a lower center of an attachment plate; A hollow projecting portion for fitting a nut is provided at an upper center of the attachment plate, and a hollow pressing portion for pressing and fixing the upper end of the nut is provided at an upper end of the projecting portion; Wherein the protrusions are formed in a circular arc shape so that the outer circumferential surface of the attachment plate is vertically downwardly extended to have the same circular arc surface, Are provided; One side of the protrusions is formed as a vertical strut, and the opposite side of the protrusions is formed with a sloping blade so that the protrusions are embedded in the object without being warped.

According to the present invention, it can be used to fix a nut to a thin and light plywood or synthetic resin plate. A nut is provided at the center of the attachment plate and a protrusion is formed on the outer periphery of the attachment plate. The protrusion is formed in an arcuate shape as far as possible from the center of the attachment plate. One of the protrusions has a blade portion do. In addition, the projections on the opposite sides of the blade portion are formed with right-angled brace portions, the projections are pierced into the object by the blade portion, and the brace portion fixes the brace so that the brace does not hang in the process of unfastening the bolt .

Since the projection has an increased rotation moment as much as possible away from the center of the attachment plate, even if the object is made of a thin and weak material, there is an advantage that the damage of the object due to the torsional stress generated when the bolt is loosened and tightened is reduced.

In addition, a synthetic resin for preventing loosening is embedded in a nut coupled to the center of the attachment plate, so that when the bolt is fastened, a thread is formed in the loosening preventing portion, and the bolt is inserted into the bolt. Therefore, even if vibration or shock is applied, the bolts are fastened without being loosened, and the object is firmly fixed, thereby improving the reliability of the product.

In addition, a loosening preventing portion of the synthetic resin material may be provided directly without incorporating a nut at the center of the attachment plate. Since the bolt is fastened to the mounting plate with the thread of the bolt being pierced, the loosening preventing portion plays a role of preventing the loosening preventing portion from acting as a nut and preventing loosening, so there is no need to add a heavy nut to a product requiring light weight .

1 is an exploded perspective view of a mounting nut according to an embodiment of the present invention;
2 is a bottom perspective view of an attachable nut of the embodiment of the present invention;
3 is a cross-sectional view of the mounting nut of the embodiment of the present invention
4 is a bottom view of the mounting nut of the embodiment of the present invention
5 is a sectional view of the mounting nut of the embodiment of the present invention
6 is a cross-sectional view of an attachment nut according to another embodiment of the present invention
7 is a cross-sectional view of the mounting nut of another embodiment of the present invention

1 to 5, the mounting nut of the embodiment of the present invention is provided with a circular attachment plate 10. The attachment plate 10 is preferably made of an aluminum material for lightweight and convenient processing. A hollow bolt-fitting part 11 is protruded at the bottom of the mounting plate 10 and a hollow protruding part 12 is provided at an upper part of the mounting plate 10. The bolt fitting part 11 and the protruding part 12 And a nut 20 having a release preventing portion 21 is built in the protruding portion 12. The upper end of the protruding portion 12 is provided with a press-fit portion 13 in the form of a hollow outer periphery. The press portion 13 presses the upper end of the nut 20, As shown in Fig.

And a plurality of protrusions 14 extending downward and vertically so as to have the same outer circumferential surface are provided on the lower portion of the attachment plate 10. [ Each of the protrusions 14 is formed as a circular arc with an outer circumferential surface of the attachment plate 10 extending downward. The protrusions 14 are formed of a warp portion 15 whose one side is vertically cut, and the opposite side is formed with a blade portion 16 ). The protrusions 14 are in the form of a right triangle by the pawls 15 and the blades 16. The blades 16 are formed in a manner that when the protrusions 14 dig into the object 50 The protrusion 14 serves to suppress the rotation of the protrusions 14. The protrusions 14 protrude from the protrusion 14 when the protrusions 14 are inserted into the object 50,

Since the protrusions 14 are formed in an arc shape along the circumference at the outer periphery of the attachment plate 10, the rotation moment is increased as far as possible from the center of the attachment plate 10 . Accordingly, since the torsional stress applied to the protrusions 14 is reduced, there is an advantage that even if the material of the object is weak, it is not broken or cracked.

The assembly procedure of this embodiment of the present invention is as follows. The nut 20 having the unlocking portion 21 is inserted into the hollow projecting portion 12 formed at the upper center of the attachment plate 10 and the upper pressing portion 13 of the projecting portion 12 is bent So that the upper end of the nut 20 is fixed. In this way, the nut 20 is provided inside the upper side of the attachment plate 10.

As shown in FIG. 5, the two objects 50 are superposed and the attachment plate 10 is placed on one of the objects. The bolt 40 is fastened to the nut 20 and the attachment plate 10 is fastened to the bolt 40. The bolt 40 is fastened to the bolt 40 by fastening the bolt 40 to the bolt fitting portion 11 of the attachment plate 10, Is pulled. At this time, the protrusions 14 dig into the surface of the object and enter the inside, and the blade portion 16 of the protrusions 14 is used to dig an object.

When the bolt 40 is completely fastened to the nut 20, the upper end of the bolt 40 is fastened to the loosening preventing portion 21 so that loosening of the bolt due to shock or vibration is suppressed. When the bolts 40 are fastened, the protrusions 14 are completely embedded in the object 50, so that the attachment plate 10 is brought into close contact with the object 50.

Therefore, when the object 50 to which the attachment plate 10 is closely attached is installed in a narrow space or in close proximity to the object, there is a situation where the attachment plate 10 can not be held by a hand or a tool. However, since the projections 14 of the attachment plate 10 are fixed and fixed to the object 50, even if the bolt 40 is rotated, the nut 20 is not loosened and is fixed to the attachment plate 10 The bolt 40 can be released and fastened. Since the protrusions 14 are formed in an arc shape along the circumference at a distance as far as possible from the center of the attachment plate 10, the torsion stress is reduced due to the increase of the rotation moment. Therefore, the object 50 is thin and light, Even if it is made of a material, it does not break it.

6 to 7 show another embodiment of the present invention, which has the same configuration as the embodiment of the present invention. There is an advantage that a loosening preventing ring 30 of a synthetic resin is built in the hollow protrusion 12 formed at the center of the upper portion of the attachment plate 10 so that a separate nut is unnecessary.

That is, when the release preventing ring 30 is embedded in the protruding portion 12, the upper end of the release preventing ring 30 is restrained by bending the press fitting portion 13 inward. At this time, the loosening preventing ring 30 is formed in a hollow shape, and the thread of the bolt 40 is pushed inward to make a tap. In this process, the bolt 40 is fastened to the loosening preventing ring 30.

According to another embodiment of the present invention configured as described above, since the nut is not used, the attachment plate 10 can be made lighter. Therefore, it can be used suitably for the unmanned airplane which requires weight reduction. In the case of the unmanned airplane, the objects to which the bolts are fastened are made of a weak material of the synthetic resin, and since the thickness thereof is thin, the protrusions 14 of the attachment plate 10 may be cracked or broken as they dig into the object. Therefore, the protrusions 14 of the attachment plate 10 need to increase the rotation moment to minimize the torsional stress generated when the bolts 40 are loosened and tightened. In addition, in order to reduce the weight, a loosening preventing ring 30 made of a synthetic resin, which functions to prevent loosening, is incorporated in the center of the attachment plate 10 instead of using the metal nut 20, do.

In the case of the unmanned airplane, since the bolt 40 is made of a thin and light material, when the bolt is strongly tightened, the material may be damaged. In the case of the unlocking ring 30, 40 are fastened to the loosening preventing ring 30 to prevent loosening, and even if the bolts 40 are not tightened tightly, objects of thin material are fixed, so that it is not necessary to use a nut. Therefore, in the case of the other embodiments of the present invention, it can be suitably applied to a unmanned aerial vehicle requiring light weight.

10: attachment plate 11: bolt fitting part
12: protruding portion 13:
14: projection 15:
16: blade portion 20: nut
21: loosening preventing portion 30: loosening preventing ring
40: bolt 50: object

Claims (4)

A hollow bolt fitting portion into which the bolt is fitted is provided at the lower center of the attachment plate; A hollow projecting portion for fitting a nut is provided at an upper center of the attachment plate, and a hollow pressing portion for pressing and fixing the upper end of the nut is provided at an upper end of the projecting portion; And a plurality of protrusions formed at a lower end of the attachment plate to prevent loosening of the object,
Wherein the protrusions are provided in a plurality of circular arc shapes such that the outer circumferential surfaces of the attachment plates extend in a vertically downwardly extending direction;
Wherein one side of the protrusions is formed as a vertical strut, and a sloping blade is formed on an opposite side of the protrusions so that the protrusions are embedded in the object without bending deformation. A hollow bolt fitting portion into which the bolt is fitted is provided at the lower center of the attachment plate; A hollow projecting portion is provided at an upper center of the attachment plate so that a loosening prevention ring is embedded and threaded into the bolt is tightened and a hollow pressing portion for pressing and fixing the upper end of the loosening prevention ring is provided at an upper end of the projecting portion ; And a plurality of protrusions formed at a lower end of the attachment plate to prevent loosening of the object,
Wherein the protrusions are provided in a plurality of circular arc shapes such that the outer circumferential surfaces of the attachment plates extend in a vertically downwardly extending direction;
Wherein one side of the protrusions is formed as a vertical strut, and a sloping blade is formed on an opposite side of the protrusions so that the protrusions are embedded in the object without bending deformation. delete delete
KR1020150073671A 2015-05-27 2015-05-27 Attach nut with a locking feature KR101960718B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150073671A KR101960718B1 (en) 2015-05-27 2015-05-27 Attach nut with a locking feature

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150073671A KR101960718B1 (en) 2015-05-27 2015-05-27 Attach nut with a locking feature

Publications (2)

Publication Number Publication Date
KR20160139197A KR20160139197A (en) 2016-12-07
KR101960718B1 true KR101960718B1 (en) 2019-03-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022103130A1 (en) * 2020-11-13 2022-05-19 주식회사 엘지에너지솔루션 Battery pack, electronic device, automobile, and battery management system module

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001280326A (en) 2000-03-31 2001-10-10 Ochiai:Kk T nut
KR200450860Y1 (en) * 2010-03-22 2010-11-05 미래화학 주식회사 Pipe joint with bolt washer
JP2013217159A (en) * 2012-04-12 2013-10-24 Kaoru Taneichi Fastening fixture

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3474341B2 (en) * 1995-12-18 2003-12-08 上田 朱美 Screw locking structure
KR200164947Y1 (en) * 1997-12-24 2000-01-15 박승부 A six angle nut combined washer
KR20120014261A (en) * 2010-08-09 2012-02-17 벧엘기계(주) Lock nut

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001280326A (en) 2000-03-31 2001-10-10 Ochiai:Kk T nut
KR200450860Y1 (en) * 2010-03-22 2010-11-05 미래화학 주식회사 Pipe joint with bolt washer
JP2013217159A (en) * 2012-04-12 2013-10-24 Kaoru Taneichi Fastening fixture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022103130A1 (en) * 2020-11-13 2022-05-19 주식회사 엘지에너지솔루션 Battery pack, electronic device, automobile, and battery management system module

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Publication number Publication date
KR20160139197A (en) 2016-12-07

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