CN111963558B - Bolt group not easy to loosen - Google Patents

Bolt group not easy to loosen Download PDF

Info

Publication number
CN111963558B
CN111963558B CN202010920134.0A CN202010920134A CN111963558B CN 111963558 B CN111963558 B CN 111963558B CN 202010920134 A CN202010920134 A CN 202010920134A CN 111963558 B CN111963558 B CN 111963558B
Authority
CN
China
Prior art keywords
limiting
nut
stud
bolt
auxiliary
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.)
Active
Application number
CN202010920134.0A
Other languages
Chinese (zh)
Other versions
CN111963558A (en
Inventor
赵建飞
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.)
Haiyan Longsheng Technology Co ltd
Original Assignee
Haiyan Longsheng Technology 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 Haiyan Longsheng Technology Co ltd filed Critical Haiyan Longsheng Technology Co ltd
Priority to CN202010920134.0A priority Critical patent/CN111963558B/en
Publication of CN111963558A publication Critical patent/CN111963558A/en
Application granted granted Critical
Publication of CN111963558B publication Critical patent/CN111963558B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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 OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/28Locking 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
    • F16B39/282Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts
    • 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 OR 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
    • F16B39/10Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • 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 OR 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
    • 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 OR WEDGES; JOINTS OR JOINTING
    • F16B39/00Locking of screws, bolts or nuts
    • F16B39/22Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F16B39/24Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by means of washers, spring washers, or resilient plates that lock against the object

Landscapes

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

Abstract

The invention discloses a bolt group not easy to loosen, which comprises a bolt, a main nut, an auxiliary nut, a fixing ring, a first limiting groove, a second limiting groove and a limiting plate, wherein the bolt consists of a bolt head and a stud, the stud is fixed at the bottom of the bolt head, the main nut is screwed on the stud, the fixing ring is fixed at the bottom of the main nut, external threads are arranged on the outer wall of the fixing ring, the auxiliary nut is screwed on the fixing ring, an auxiliary ring is arranged on the inner wall of the auxiliary nut, the inner diameter of the auxiliary ring is slightly larger than the outer diameter of the stud, and a plurality of first limiting grooves are arranged on the stud. According to the invention, the first limiting groove, the second limiting groove and the limiting plate are matched, so that the main nut and the stud are not easy to rotate relatively after the bolt group is installed, the bolt group is not easy to loosen, and the connection reliability is ensured.

Description

Bolt group not easy to loosen
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of fasteners, in particular to the technical field of bolt groups.
[ background ] A method for producing a semiconductor device
Bolt sets are a common type of fastener that is used in a wide variety of applications. The existing bolt group is easy to loosen in the using process, so that loosening is generated between parts connected through the bolt group, and certain potential safety hazards can be brought.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a bolt group which is not easy to loosen, so that the bolt group can be firmly fixed and is not easy to loosen.
In order to achieve the purpose, the invention provides a bolt group not easy to loosen, which comprises a bolt, a main nut, an auxiliary nut, a fixing ring, a first limiting groove, a second limiting groove and a limiting plate, wherein the bolt consists of a bolt head and a stud, the stud is fixed at the bottom of the bolt head, the main nut is screwed on the stud, the fixing ring is fixed at the bottom of the main nut, external threads are arranged on the outer wall of the fixing ring, the auxiliary nut is screwed on the fixing ring, an auxiliary ring is arranged on the inner wall of the auxiliary nut, the inner diameter of the auxiliary ring is slightly larger than the outer diameter of the stud, a plurality of first limiting grooves are arranged on the stud, the first limiting grooves are vertically arranged, the first limiting grooves penetrate through the bottom end surface of the stud, a plurality of second limiting grooves corresponding to the first limiting grooves one by one are arranged on the inner wall of the auxiliary ring, the open ends of the first limiting grooves are opposite to the open ends of the corresponding second limiting grooves, each group of corresponding first limiting grooves and corresponding second limiting grooves correspond to one limiting plate, one side of each limiting plate is embedded in the corresponding first limiting groove, and the other side of each limiting plate is embedded in the corresponding second limiting groove.
Preferably, the bottom end of the bolt head is provided with a plurality of locking threads.
Preferably, the top of the main nut is provided with a locking washer.
Preferably, the main nut and the fixing ring are of an integrated structure, and the inner diameter of the fixing ring is larger than the outer diameter of the stud.
Preferably, the cross sections of the first limiting groove and the second limiting groove are both rectangular, and the widths of the first limiting groove and the second limiting groove are the same.
Preferably, the limiting plate and the first limiting groove are in interference fit, and the limiting plate and the second limiting plate are in interference fit.
Preferably, a blocking nut is screwed on the stud, and the top end of the blocking nut is in contact with the bottom end of the limiting plate.
Preferably, the lower horizontal height of the bottom end of the main nut and the top end of the first limit groove is in contact with the top end of the limit plate.
Preferably, the bottom end of the auxiliary ring is flush with the bottom end of the auxiliary nut, and the auxiliary nut and the auxiliary ring are of an integrated structure.
The invention has the beneficial effects that: according to the invention, the first limiting groove, the second limiting groove and the limiting plate are matched, so that the main nut and the stud are not easy to rotate relatively after the bolt group is installed, the bolt group is not easy to loosen, and the reliability of connection is ensured; the stop nut is arranged to ensure that the limiting plate is not easy to fall off, and the anti-loosening effect is ensured.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a bolt set not susceptible to loosening in accordance with the present invention;
fig. 2 is a partial bottom view of a bolt set not susceptible to loosening according to the present invention.
In the figure: the anti-loosening device comprises a bolt 1, a main nut 2, an auxiliary nut 3, a limiting plate 4, a locking thread 10, a bolt head 11, a bolt 15, a first limiting groove 16, a blocking nut 17, a locking gasket 20, a fixing ring 21, an auxiliary ring 35 and a second limiting groove 36.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the bolt assembly not easy to loosen of the present invention includes a bolt 1, a main nut 2, an auxiliary nut 3, a fixing ring 21, a first limiting groove 16, a second limiting groove 36, and a limiting plate 4, where the bolt 1 is composed of a bolt head 11 and a stud 15, the stud 15 is fixed at the bottom of the bolt head 11, the main nut 2 is screwed on the stud 15, the fixing ring 21 is fixed at the bottom of the main nut 2, an external thread is provided on the outer wall of the fixing ring 21, the auxiliary nut 3 is screwed on the fixing ring 21, an auxiliary ring 35 is provided on the inner wall of the auxiliary nut 3, the inner diameter of the auxiliary ring 35 is slightly larger than the outer diameter of the stud 15, a plurality of first limiting grooves 16 are provided on the stud 15, the first limiting grooves 16 are vertically provided, the first limiting grooves 16 penetrate through the bottom end surface of the stud 15, a plurality of second limiting grooves 36 corresponding to the first limiting grooves 16 one to one are provided on the inner wall of the auxiliary ring 35, the open end of the first limiting groove 16 and the open end of the corresponding second limiting groove 36 are oppositely arranged, each group of corresponding first limiting groove 16 and second limiting groove 36 corresponds to one limiting plate 4, one side of each limiting plate 4 is embedded in the first limiting groove 16, the other side of each limiting plate 4 is embedded in the second limiting groove 36, the bottom end of the bolt head 11 is provided with a plurality of anti-loosening threads 10, the top of the main nut 2 is provided with one anti-loosening gasket 20, the main nut 2 and the fixing ring 21 are of an integrated structure, the inner diameter of the fixing ring 21 is larger than the outer diameter of the stud 15, the cross sections of the first limiting groove 16 and the second limiting groove 36 are both rectangular, the first limiting groove 16 and the second limiting groove 36 are the same in width, the limiting plates 4 and the first limiting groove 16 are in interference fit, the limiting plates 4 and the second limiting plate 4 are in interference fit, and the stud 15 is screwed with one blocking nut 17, the top that blocks nut 17 contacts with the bottom of limiting plate 4, the lower person of the level of these two of main nut 2 bottom and first spacing groove 16 top contacts with the top of limiting plate 4, the bottom of auxiliary ring 35 and the bottom parallel and level of auxiliary nut 3, auxiliary nut 3 and auxiliary ring 35 formula structure as an organic whole.
The working process of the invention is as follows:
in the working process of the bolt group which is not easy to loosen, the first limiting groove 16, the second limiting groove 36 and the limiting plate 4 are matched, so that the main nut 2 and the stud 15 are not easy to rotate relatively after the bolt group is installed, the bolt group is not easy to loosen, and the connection reliability is ensured; the stop nut 17 is arranged to ensure that the limiting plate 4 is not easy to fall off, and the anti-loosening effect is ensured.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims (1)

1. The utility model provides a difficult not hard up bolt assembly which characterized in that: the bolt comprises a bolt (1), a main nut (2), an auxiliary nut (3), a fixing ring (21), a first limiting groove (16), a second limiting groove (36) and a limiting plate (4), wherein the bolt (1) consists of a bolt head (11) and a stud (15), the stud (15) is fixed at the bottom of the bolt head (11), the main nut (2) is screwed on the stud (15), the fixing ring (21) is fixed at the bottom of the main nut (2), external threads are arranged on the outer wall of the fixing ring (21), the auxiliary nut (3) is screwed on the fixing ring (21), an auxiliary ring (35) is arranged on the inner wall of the auxiliary nut (3), the inner diameter of the auxiliary ring (35) is slightly larger than the outer diameter of the stud (15), a plurality of first limiting grooves (16) are arranged on the stud (15), the first limiting grooves (16) are vertically arranged, and run through the bottom end face of the stud (15), the inner wall of the auxiliary ring (35) is provided with a plurality of second limiting grooves (36) which correspond to the first limiting grooves (16) one by one, the open end of each first limiting groove (16) and the open end of the corresponding second limiting groove (36) are arranged oppositely, each group of corresponding first limiting groove (16) and second limiting groove (36) correspond to one limiting plate (4), one side of each limiting plate (4) is embedded in the first limiting groove (16), the other side of each limiting plate (4) is embedded in the second limiting groove (36), the limiting plates (4) and the first limiting grooves (16) are in interference fit, the limiting plates (4) and the second limiting grooves (36) are in interference fit, the bottom end of the bolt head (11) is provided with a plurality of threads (10), the top of the main nut (2) is provided with a locking gasket (20), the main nut (2) and the fixing ring (21) are of an integrated structure, the internal diameter of solid fixed ring (21) is greater than the external diameter of double-screw bolt (15), the cross-section of first spacing groove (16) and second spacing groove (36) all is rectangle, and the width of first spacing groove (16) and second spacing groove (36) is the same, it blocks nut (17) to have twisted one on double-screw bolt (15), and the top that blocks nut (17) contacts with the bottom of limiting plate (4), the lower person of the level between these two in main nut (2) bottom and first spacing groove (16) top contacts with the top of limiting plate (4), the bottom of supplementary ring (35) and the bottom parallel and level of supplementary nut (3), supplementary nut (3) and supplementary ring (35) formula structure as an organic whole.
CN202010920134.0A 2020-09-04 2020-09-04 Bolt group not easy to loosen Active CN111963558B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010920134.0A CN111963558B (en) 2020-09-04 2020-09-04 Bolt group not easy to loosen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010920134.0A CN111963558B (en) 2020-09-04 2020-09-04 Bolt group not easy to loosen

Publications (2)

Publication Number Publication Date
CN111963558A CN111963558A (en) 2020-11-20
CN111963558B true CN111963558B (en) 2022-07-01

Family

ID=73392023

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010920134.0A Active CN111963558B (en) 2020-09-04 2020-09-04 Bolt group not easy to loosen

Country Status (1)

Country Link
CN (1) CN111963558B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114810785B (en) * 2022-05-14 2024-02-27 福安奥展实业有限公司 Nut with self-locking effect

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2908896Y (en) * 2006-03-21 2007-06-06 晋城市标准件厂 Fastener of anti-loss screw
KR20080063909A (en) * 2007-01-03 2008-07-08 한국기초과학지원연구원 Fixing member of castle nut and bolt
CN101109406A (en) * 2007-08-29 2008-01-23 李福宏 quick disassembled and installed loose-proof fastener
CN104791352B (en) * 2015-05-07 2017-07-14 祝建飞 A kind of Anti-loose fastener
CN207178420U (en) * 2017-07-21 2018-04-03 周贵祖 Component caging bolt
CN110469575B (en) * 2019-08-30 2021-03-30 刘启超 Never-loosening screw assembly

Also Published As

Publication number Publication date
CN111963558A (en) 2020-11-20

Similar Documents

Publication Publication Date Title
CN111963558B (en) Bolt group not easy to loosen
CN210164768U (en) Anti-loosening sleeve bolt
CN207073515U (en) A kind of screw rod for electrical equipment fastens anti-loose structure
CN111810513A (en) Big flange face extrusion self sealss check bolt of hexagonal
CN206468666U (en) A kind of locking device
CN204664117U (en) A kind of flanged surface nylon nut
CN217539288U (en) Check bolt connecting structure
CN211343662U (en) Anti-loosening device for pile hammer head
CN203477010U (en) Anti-slip anti-loosening bolt structure
CN209743358U (en) Self-locking nut
CN210509913U (en) Anti-dismantling bolt structure
CN211901243U (en) Locknut structure with screw pitch difference
CN111637132B (en) Retaining anti-loose combined nut
CN219413179U (en) Anti-loose hexagonal bolt
CN220791741U (en) Integral type self-locking nut
CN202510526U (en) Anti-disassembling nut
CN213541020U (en) Bolt for railway track
CN215720132U (en) Bolt with good connection fastening and anti-falling effects
CN220452467U (en) Lock bolt convenient to installation
CN221074933U (en) Built-in self-locking nut
CN216199729U (en) Anti-loosening shockproof screw
CN214945642U (en) Bolt fastening structure
CN110173498B (en) Check bolt group for nuclear power
CN210484351U (en) Anti-loosening bolt
CN218934988U (en) Lock nut

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant