CN104482019B - Automatic lock nut - Google Patents

Automatic lock nut Download PDF

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Publication number
CN104482019B
CN104482019B CN201410797296.4A CN201410797296A CN104482019B CN 104482019 B CN104482019 B CN 104482019B CN 201410797296 A CN201410797296 A CN 201410797296A CN 104482019 B CN104482019 B CN 104482019B
Authority
CN
China
Prior art keywords
shape switch
switch block
nut
block
holding tank
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN201410797296.4A
Other languages
Chinese (zh)
Other versions
CN104482019A (en
Inventor
王美福
刘恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongshan Hongwei fastener industry Co., Ltd.
Original Assignee
Zhongshan Hongwei Fastener Industry Co Ltd
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 Zhongshan Hongwei Fastener Industry Co Ltd filed Critical Zhongshan Hongwei Fastener Industry Co Ltd
Priority to CN201410797296.4A priority Critical patent/CN104482019B/en
Publication of CN104482019A publication Critical patent/CN104482019A/en
Application granted granted Critical
Publication of CN104482019B publication Critical patent/CN104482019B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B37/00Nuts or like thread-engaging members
    • F16B37/04Devices for fastening nuts to surfaces, e.g. sheets, plates
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES, JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/02Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts

Abstract

The invention discloses an automatic lock nut which comprises a nut main body and two L-shaped rotating blocks, wherein a threaded hole is formed in the nut main body; the bottoms of I-shaped parts of the L-shaped rotating blocks are arranged as circular corners; a plurality of bulges are arrayed on inner end faces of '-' shaped parts of the L-shaped rotating blocks; two horizontal slots are symmetrically formed in the nut main body; vertical accommodating slots are formed in the nut main body; a cylinder with an upward extending stretching rod is arranged at the bottom of each accommodating slot; a pushing block is arranged on an end part of the stretching rod of each cylinder; the I-shaped part of each L-shaped rotating block is accommodated in one accommodating slot; the width of the horizontal slots is greater than the width of the L-shaped rotating blocks; the I-shaped parts of the L-shaped rotating blocks can slide up and down in the accommodating slots; when the I-shaped parts of the L-shaped rotating blocks upward slide to the top positions, the I-shaped parts can be downward turned. When the automatic lock nut provided by the invention is not used, the occupied space is small; the automatic lock nut is conveniently taken and used; the automatic lock nut can be used as a general nut and is multifunctional.

Description

A kind of automatic anti-loosing screw nut
Technical field
The present invention relates to a kind of automatic anti-loosing screw nut, particularly a kind of automatic anti-loosing screw nut on sheet material, belong to machine Tool technical field of fastening.
Background technology
Nut is exactly nut, is threaded together the part for playing the role of fastening with bolt or screw rod, is connected for playing fastening Connect two machine components with through hole.Bolt is screwed out nut such as, the two parts can separate again, therefore the connection is category In being detachably connected, it is also possible to be widely used on sheet material.When plant equipment is run, mechanical vibration can be produced unavoidably, it is long The mechanical vibration of phase cause nut to rock, and cause thread abrasion so that fastening effect is deteriorated, and have impact on the workability of plant equipment Energy and stability, particularly have impact on the machining accuracy of some precision equipments, it is also possible to which bolt abjection nut thread hole occurs Phenomenon, so as to cause mechanical breakdown.
The content of the invention
The invention aims to overcome the deficiencies in the prior art and provide one kind and take up room little at ordinary times and can work as general The automatic anti-loosing screw nut that nut is used.
To reach above-mentioned purpose, the technical solution used in the present invention is:A kind of stop nut, including nut body, it is described Screwed hole is provided with nut body, also including two " L " shape switch blocks;The bottom in " I " portion of " L " the shape switch block is fillet;Institute "-" portion inner face for stating " L " shape switch block is provided with array and has multiple projections;Two levels are provided with the nut body symmetrically Groove;The level trough is communicated with the external world;The vertical holding tank that with each level trough communicate is provided with the nut body also;It is described The bottom of holding tank is provided with the cylinder that expansion link is protruded upward;The telescopic rod end of the cylinder is provided with pushing block;The nut sheet The lower surface of body is provided with the switch of control cylinder;" I " portion of described each " L " shape switch block is contained in a holding tank, institute The bottom for stating " I " portion of " L " shape switch block is contacted with pushing block;When " I " portion of " L " the shape switch block is contained in holding tank, institute "-" portion for stating " L " shape switch block is located in level trough, and "-" portion upper surface of " L " the shape switch block is equal with nut body upper surface Together, "-" portion lateral surface of described " L " shape switch block is towards screwed hole direction;Width of the width of the level trough more than " L " shape switch block Degree;" I " portion of " L " the shape switch block can be slided up and down in holding tank;" I " portion of " L " the shape switch block slides up to most During high position, can downwardly turn over;" I " portion of " L " the shape switch block is located in level trough, "-" portion of " L " the shape switch block and spiral shell The diameter parallel of pit.
Preferably, two annular grooves are provided with described each holding tank;The both sides in " I " portion of " L " the shape switch block set There is cylindrical slider;The slide block slides in chute, and " I " portion of " L " shape switch block is slided up and down in holding tank, and is slided into During extreme higher position, can downwardly turn over.
Preferably, gap is left with horizontal trench bottom in the raised bottom.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art:
The automatic anti-loosing screw nut of the present invention, during use, " I " portion of two " L " shape switch blocks is released by the pushing block that cylinder connects Holding tank so that easy to operate;When not using, it is as good as with the nut for generally using at ordinary times, takes up room little, carries user Just, additionally it is possible to when general nut is used, one is female multiplex.
Description of the drawings
Below in conjunction with the accompanying drawings technical solution of the present invention is described further:
Structural representation of the accompanying drawing 1 for the automatic anti-loosing screw nut of the present invention;
Another viewing angle constructions schematic diagram of the accompanying drawing 2 for the automatic anti-loosing screw nut of the present invention;
Use state schematic diagram of the accompanying drawing 3 for the automatic anti-loosing screw nut of the present invention;
Partial enlarged drawing of the accompanying drawing 4 for accompanying drawing 3;
Wherein:1st, nut body;2nd, screwed hole;3rd, " L " shape switch block;4th, fillet;5. raised;6th, level trough;7th, holding tank; 8th, cylinder;9th, pushing block;10th, switch;11st, chute;12nd, slide block;13rd, bolt;14th, sheet material.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
Of the present invention a kind of automatic anti-loosing screw nut as shown in accompanying drawing 1,2, including nut body 1, the nut sheet Screwed hole 2 is provided with body 1, also including two " L " shape switch blocks 3;The bottom in " I " portion of " L " the shape switch block 3 is fillet 4;It is described "-" portion inner face of " L " shape switch block 3 is provided with array multiple raised 5;Two levels are provided with the nut body 1 symmetrically Groove 6;The level trough 6 is communicated with the external world;The vertical holding tank that with each level trough 6 communicate is provided with the nut body 1 also 7;The bottom of the holding tank 7 is provided with the cylinder 8 that expansion link is protruded upward;The telescopic rod end of the cylinder 8 is provided with pushing block 9; The lower surface of the nut body 1 is provided with the switch 10 of control cylinder 8;" I " portion of each " L " shape switch block 3 is contained in In one holding tank 7, the bottom in " I " portion of " L " the shape switch block 3 is contacted with pushing block 9;" I " portion of " L " the shape switch block 3 When being contained in holding tank 7, "-" portion of " L " the shape switch block is located in level trough 6, "-" portion upper table of " L " the shape switch block 3 Face and 1 upper surface flush of nut body, "-" portion lateral surface of " L " the shape switch block 3 is towards 2 direction of screwed hole;The level Width of the width of groove 6 more than " L " shape switch block 3;" I " portion of " L " the shape switch block 3 can be slided up and down in holding tank 7;It is described When " I " portion of " L " shape switch block 3 slides up to extreme higher position, can downwardly turn over;" I " portion of " L " the shape switch block 3 is located at water Rise as high as the banks in 6, "-" portion of " L " the shape switch block 3 and the diameter parallel of screwed hole 2;In said structure, in described each holding tank 7 It is provided with two annular grooves 11;The both sides in " I " portion of " L " the shape switch block 3 are provided with cylindrical slider 12;The slide block 12 is being slided Slide in groove 11, " I " portion of " L " shape switch block 3 is slided up and down in holding tank 7, and when sliding into extreme higher position, can be turned over downwards Turn;As gap is left in raised 5 bottoms and 6 bottom of level trough, it is ensured that raised 5 are not produced with 6 bottom of level trough Life is touched, it is to avoid raised 5 are worn.
Of the present invention a kind of automatic anti-loosing screw nut as shown in accompanying drawing 3,4, during use, the screw rod insertion plate of bolt 13 After material 14, switch 10 is pressed, the expansion link of cylinder 8 stretches out, drive pushing block 9 to release " I " portion of two " L " shape switch blocks 3 and accommodate Then two " L " shape switch blocks 3 are overturn by groove 7 so that " I " portion of " L " shape switch block 3 is located in level trough 6, then nut sheet Body 1 screws on the screw rod of bolt 13, and after screwing, raised 6 bottom is contacted with the both side surface of sheet material 14, plays increasing friction force Effect, when plant equipment operation produce mechanical vibration when, nut is difficult to rock so that screw thread is not easy to wear, increased fastening Effect, improves the service behaviour and stability of plant equipment, so that some precision equipment machining accuracies are guaranteed, The generation of bolt abjection nut thread hole phenomenon is more prevented, the security performance of plant equipment is improve;After finishing, unload Nut body, then presses switch, and the expansion link of cylinder shrinks, and " I " portion of two " L " shape switch blocks 1 is put into holding tank;When this When nut is not used, " I " portion of " L " shape switch block is contained in holding tank, when " I " portion of " L " shape switch block is contained in holding tank, "-" portion of " L " shape switch block be located at level trough in, "-" portion lateral surface of " L " shape switch block towards screwed hole direction, " L " shape switch block "-" portion upper surface and nut body upper surface flush, are as good as with the nut for generally using at ordinary times, are taken up room little, and carrying makes With conveniently, additionally it is possible to when general nut is used, one is female multiplex.
The automatic anti-loosing screw nut of the present invention, during use, " I " portion of two " L " shape switch blocks is released by the pushing block that cylinder connects Holding tank so that easy to operate, reduces the labor intensity of operator, increased work efficiency.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art Scholar will appreciate that present disclosure and be carried out, can not be limited the scope of the invention with this, all according to the present invention Equivalence changes or modification that spirit is made, should all cover within the scope of the present invention.

Claims (1)

1. a kind of automatic anti-loosing screw nut, including nut body, is provided with screwed hole in the nut body, it is characterised in that:Also wrap Include two " L " shape switch blocks;The bottom in " I " portion of " L " the shape switch block is fillet;On "-" portion inner face of " L " the shape switch block Array has multiple projections;Two level troughs are provided with the nut body symmetrically;The level trough is communicated with the external world;The spiral shell The vertical holding tank that with each level trough communicate is provided with maternal body also;The bottom of the holding tank is provided with expansion link and protrudes upward Cylinder;The telescopic rod end of the cylinder is provided with pushing block;The lower surface of the nut body is provided with the switch of control cylinder; " I " portion of described each " L " shape switch block is contained in a holding tank, the bottom in " I " portion of " L " the shape switch block and pushing block phase Contact;When " I " portion of " L " the shape switch block is contained in holding tank, "-" portion of " L " the shape switch block is located in level trough, "-" portion upper surface of " L " the shape switch block and nut body upper surface flush, "-" portion lateral surface of " L " the shape switch block Towards screwed hole direction;Width of the width of the level trough more than " L " shape switch block;" I " portion of " L " the shape switch block can be Slide up and down in holding tank;When " I " portion of " L " the shape switch block slides up to extreme higher position, can downwardly turn over;" L " " I " portion of shape switch block is located in level trough, "-" portion of " L " the shape switch block and the diameter parallel of screwed hole;Described each receiving Two annular grooves are provided with groove;The both sides in " I " portion of " L " the shape switch block are provided with cylindrical slider;The slide block is in chute Interior slip, " I " portion of " L " shape switch block are slided up and down in holding tank, and when sliding into extreme higher position, can be downwardly turned over;It is described Gap is left with horizontal trench bottom in raised bottom;During use, after the screw rod of bolt insertion sheet material, press switch, cylinder is stretched Contracting bar stretches out, and drives pushing block that " I " portion of two " L " shape switch blocks is released holding tank, then overturns two " L " shape switch blocks, make " I " portion for obtaining " L " shape switch block is located in level trough, then nut body is screwed on the screw rod of bolt, after screwing, raised lower end Portion is contacted with the both side surface of sheet material.
CN201410797296.4A 2014-12-19 2014-12-19 Automatic lock nut Expired - Fee Related CN104482019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410797296.4A CN104482019B (en) 2014-12-19 2014-12-19 Automatic lock nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410797296.4A CN104482019B (en) 2014-12-19 2014-12-19 Automatic lock nut

Publications (2)

Publication Number Publication Date
CN104482019A CN104482019A (en) 2015-04-01
CN104482019B true CN104482019B (en) 2017-04-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410797296.4A Expired - Fee Related CN104482019B (en) 2014-12-19 2014-12-19 Automatic lock nut

Country Status (1)

Country Link
CN (1) CN104482019B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916196A (en) * 2018-08-03 2018-11-30 合肥岑遥新材料科技有限公司 A kind of high intensity protection type fastening parts of automobiles

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682924A (en) * 1985-06-04 1987-07-28 Kerr Jack R Self-locking nut device and method
SU1723374A1 (en) * 1989-12-19 1992-03-30 Молодежный Центр Первомайского Рк Влксм, Г.Владивосток Split joint of single-ended access parts
CN202560772U (en) * 2012-05-09 2012-11-28 宁波市鄞州德成塑机厂 Locking nut
CN102865284A (en) * 2012-09-27 2013-01-09 苏州市东立机械有限公司 Lock bolt
CN104154097A (en) * 2014-07-15 2014-11-19 天津达人社金属制品有限公司 Anti-loose set screw
CN204419816U (en) * 2014-12-19 2015-06-24 苏州市淞舜五金有限公司 A kind of automatic anti-loosing screw nut

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4682924A (en) * 1985-06-04 1987-07-28 Kerr Jack R Self-locking nut device and method
SU1723374A1 (en) * 1989-12-19 1992-03-30 Молодежный Центр Первомайского Рк Влксм, Г.Владивосток Split joint of single-ended access parts
CN202560772U (en) * 2012-05-09 2012-11-28 宁波市鄞州德成塑机厂 Locking nut
CN102865284A (en) * 2012-09-27 2013-01-09 苏州市东立机械有限公司 Lock bolt
CN104154097A (en) * 2014-07-15 2014-11-19 天津达人社金属制品有限公司 Anti-loose set screw
CN204419816U (en) * 2014-12-19 2015-06-24 苏州市淞舜五金有限公司 A kind of automatic anti-loosing screw nut

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Publication number Publication date
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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C41 Transfer of patent application or patent right or utility model
CB03 Change of inventor or designer information

Inventor after: Wang Meifu

Inventor after: Liu Heng

Inventor before: Gui Xinghua

COR Change of bibliographic data
TA01 Transfer of patent application right

Effective date of registration: 20170302

Address after: 528454 Guangdong, Xiaolan Town, Zhongshan Province Industrial Avenue, one of the south of No. 15

Applicant after: Zhongshan Hongwei fastener industry Co., Ltd.

Address before: Wuzhong District Luzhi town of Suzhou City, Jiangsu province 215000 aquatic products wholesale market in Suzhou City Song Shun Hardware Co. Ltd.

Applicant before: Suzhou Songshun Hardware Co., Ltd.

GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170412

Termination date: 20181219