CN111927867B - Anti-theft nut with blocking bead - Google Patents

Anti-theft nut with blocking bead Download PDF

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Publication number
CN111927867B
CN111927867B CN202010842194.5A CN202010842194A CN111927867B CN 111927867 B CN111927867 B CN 111927867B CN 202010842194 A CN202010842194 A CN 202010842194A CN 111927867 B CN111927867 B CN 111927867B
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China
Prior art keywords
hole
bead
nut
blocking
screwing
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CN202010842194.5A
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Chinese (zh)
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CN111927867A (en
Inventor
屠马军
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Haiyan Huilian General Fitting Co ltd
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Haiyan Huilian General Fitting Co ltd
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Priority to CN202010842194.5A priority Critical patent/CN111927867B/en
Publication of CN111927867A publication Critical patent/CN111927867A/en
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Publication of CN111927867B publication Critical patent/CN111927867B/en
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    • 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
    • F16B41/00Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
    • F16B41/005Measures against unauthorised operation of bolts, nuts or pins
    • 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
    • F16B37/00Nuts or like thread-engaging members

Abstract

The invention discloses an anti-theft nut with a blocking bead, which comprises a nut main body, a threaded hole, an installation groove, a screwing plate, a transition hole, a tool hole, a blocking rod and a blocking bead, wherein the outer diameter of the nut main body is gradually reduced from bottom to top, the lower end of the nut main body is provided with the threaded hole with a downward opening, the nut main body is internally provided with the installation groove, the installation groove is communicated with the top end of the threaded hole, the lower opening end of the installation groove is positioned in a region surrounded by the upper end of the threaded hole, the screwing plate is fixed in the installation groove, the screwing plate is provided with the screwing groove, the nut main body is internally provided with the transition hole, the transition hole is communicated with the top end of the installation groove, and the lower opening end of the transition hole is positioned in a region surrounded by the installation groove. According to the invention, the blocking bead, the screwing plate, the transition hole and the blocking rod are matched, so that the blocking bead can block the screwing groove on the screwing plate after the nut is installed and the blocking rod is pulled out, and the nut can not be screwed through the screwing groove any more, so that the nut has better anti-theft performance.

Description

Anti-theft nut with blocking bead
[ 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 anti-theft nuts.
[ background of the invention ]
The nut is a common fastener and is widely applied. The nut is required to have better anti-theft performance in the open air or important occasions. The existing nut cannot well meet the requirements and can bring certain potential safety hazards.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides an anti-theft nut with a blocking bead, which can enable the nut to have better anti-theft performance.
In order to achieve the purpose, the invention provides an anti-theft nut with a blocking bead, which comprises a nut main body, a threaded hole, an installation groove, a screwing plate, a transition hole, a tool hole, a blocking rod and a blocking bead, wherein the outer diameter of the nut main body gradually decreases from bottom to top, the lower end of the nut main body is provided with the threaded hole with a downward opening, the nut main body is internally provided with the installation groove which is communicated with the top end of the threaded hole, the lower opening end of the installation groove is positioned in a region enclosed by the upper end of the threaded hole, the screwing plate is fixed in the installation groove, the screwing plate is provided with the screwing groove, the nut main body is internally provided with the transition hole, the transition hole is communicated with the top end of the installation groove, the lower opening end of the transition hole is positioned in the region enclosed by the installation groove, the screwing groove is positioned in the region enclosed by the lower end of the transition hole, and the upper end of the nut main body is provided with the tool hole for extending into a screwing tool, the tool hole is communicated with the transition hole, the diameter of the tool hole is smaller than that of the transition hole, a bead placing groove is formed in the side wall of the transition hole, a blocking bead is filled in the bead placing groove, the outer diameter of the blocking bead is smaller than the inner diameter of the bead placing groove, the outer diameter of the blocking bead is smaller than that of the transition hole, the outer diameter of the blocking bead is larger than that of the tool hole, a jack is formed in the nut body, the jack is communicated with the bead placing groove, a blocking rod is inserted into the jack, and the blocking bead is located at the bottom of the bead placing groove and in the region where the blocking rod is clamped.
Preferably, the nut body is in a spherical crown shape or a truncated cone shape.
Preferably, the screwing plate is horizontally arranged, and the center of the screwing groove, the transition hole, the tool hole and the threaded hole are positioned on the same vertical axis.
Preferably, the screwing plate is fixed to the top wall of the mounting groove by a plurality of screws.
Preferably, the cross section of the mounting groove is a regular polygon, the cross section of the mounting groove has 4-8 sides, and the shape of the twisting plate is matched with that of the mounting groove.
Preferably, the bead-placing groove is inclined upward from the open end.
The invention has the beneficial effects that: according to the invention, the blocking bead, the screwing plate, the transition hole and the blocking rod are matched, so that the blocking bead can block the screwing groove on the screwing plate after the nut is installed and the blocking rod is pulled out, and the nut can not be screwed through the screwing groove any more, so that the nut has better anti-theft performance; the nut main body is in a spherical crown shape or a cone frustum shape, so that the nut main body has better anti-theft performance.
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 theft-proof nut with a blocking bead according to the present invention.
In the figure: 1-nut main body, 2-mounting groove, 3-transition hole, 10-threaded hole, 11-tool hole, 15-jack, 16-blocking rod, 20-screwing plate, 21-screwing groove, 30-bead releasing groove and 31-blocking bead.
[ detailed description ] embodiments
Referring to fig. 1, the anti-theft nut with the blocking bead of the present invention comprises a nut main body 1, a threaded hole 10, an installation groove 2, a screwing plate 20, a transition hole 3, a tool hole 11, a blocking rod 16, a blocking bead 31, wherein the outer diameter of the nut main body 1 gradually decreases from bottom to top, the lower end of the nut main body 1 is provided with a threaded hole 10 with a downward opening, the nut main body 1 is internally provided with an installation groove 2, the installation groove 2 is communicated with the top end of the threaded hole 10, the lower opening end of the installation groove 2 is located in the area enclosed by the upper end of the threaded hole 10, the installation groove 2 is internally fixed with a screwing plate 20, the screwing plate 20 is provided with a screwing groove 21, the nut main body 1 is internally provided with a transition hole 3, the transition hole 3 is communicated with the top end of the installation groove 2, the lower opening end of the transition hole 3 is located in the area enclosed by the installation groove 2, and the screwing groove 21 is located in the area enclosed by the lower end of the transition hole 3, the upper end of the nut main body 1 is provided with a tool hole 11 for extending a screwing tool, the tool hole 11 is communicated with the transition hole 3, the diameter of the tool hole 11 is smaller than that of the transition hole 3, the side wall of the transition hole 3 is provided with a bead placing groove 30, a blocking bead 31 is filled in the bead placing groove 30, the outer diameter of the blocking bead 31 is smaller than the inner diameter of the bead placing groove 30, the outer diameter of the blocking bead 31 is smaller than that of the transition hole 3, the outer diameter of the blocking bead 31 is larger than that of the tool hole 11, the nut main body 1 is provided with a jack 15, the jack 15 is communicated with the bead placing groove 30, a blocking rod 16 is inserted in the jack 15, the blocking bead 31 is positioned in the area clamped by the bottom of the bead placing groove 30 and the blocking rod 16, the nut main body 1 is in a spherical crown shape or a cone frustum shape, the screwing plate 20 is horizontally arranged, the center of the screwing groove 21, the transition hole 3, the tool hole 11 and the threaded hole 10 are positioned on the same vertical axis, the screwing plate 20 is fixed with the top wall of the mounting groove 2 through a plurality of screws, the cross section of the mounting groove 2 is a regular polygon, the cross section of the mounting groove 2 is provided with 4-8 sides, the shape of the screwing plate 20 is matched with the shape of the mounting groove 2, and the bead placing groove 30 inclines upwards from the opening end.
The working process of the invention is as follows:
in the working process of the anti-theft nut with the blocking beads, the blocking beads 31, the screwing plate 20, the transition holes 3 and the blocking rods 16 are matched, so that the blocking beads 31 can block the screwing grooves 21 on the screwing plate 20 after the nut is installed and the blocking rods 16 are pulled out, the nut can not be screwed through the screwing grooves 21 any more, and the nut has better anti-theft performance; the nut body 1 is in a spherical crown shape or a cone frustum shape, so that the nut body has better anti-theft performance.
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 (3)

1. The utility model provides an anti-theft nut with block pearl which characterized in that: the nut comprises a nut main body (1), a threaded hole (10), a mounting groove (2), a screwing plate (20), a transition hole (3), a tool hole (11), a blocking rod (16) and a blocking bead (31), wherein the outer diameter of the nut main body (1) is gradually reduced from bottom to top, the lower end of the nut main body (1) is provided with the threaded hole (10) with a downward opening, the nut main body (1) is internally provided with the mounting groove (2), the mounting groove (2) is communicated with the top end of the threaded hole (10), the lower opening end of the mounting groove (2) is positioned in an area enclosed by the upper end of the threaded hole (10), the mounting groove (2) is internally fixed with the screwing plate (20), the screwing plate (20) is provided with the screwing groove (21), the transition hole (3) is arranged in the nut main body (1), the transition hole (3) is communicated with the top end of the mounting groove (2), the opening end of the transition hole (3) is positioned in the area enclosed by the mounting groove (2), the screwing groove (21) is located in an area surrounded by the lower end of the transition hole (3), the upper end of the nut main body (1) is provided with a tool hole (11) used for extending a screwing tool, the tool hole (11) is communicated with the transition hole (3), the diameter of the tool hole (11) is smaller than that of the transition hole (3), the side wall of the transition hole (3) is provided with a bead placing groove (30), the bead placing groove (30) is internally filled with a blocking bead (31), the outer diameter of the blocking bead (31) is smaller than that of the bead placing groove (30), the outer diameter of the blocking bead (31) is smaller than that of the transition hole (3), the outer diameter of the blocking bead (31) is larger than that of the tool hole (11), the nut main body (1) is provided with an insertion hole (15), the insertion hole (15) is communicated with the bead placing groove (30), the insertion hole (15) is inserted with a blocking rod (16), the blocking bead (31) is located in an area between the bead placing groove (30) and the bottom of the blocking rod (16), the screwing plate (20) is fixed with the top wall of the mounting groove (2) through a plurality of screws, the cross section of the mounting groove (2) is a regular polygon, the cross section of the mounting groove (2) is provided with 4-8 sides, the shape of the screwing plate (20) is matched with that of the mounting groove (2), and the bead placing groove (30) is inclined upwards from the opening end.
2. The anti-theft nut with the blocking bead as claimed in claim 1, wherein: the nut body (1) is in a spherical crown shape or a truncated cone shape.
3. The anti-theft nut with the blocking bead as claimed in claim 1, wherein: the screwing plate (20) is horizontally arranged, and the center of the screwing groove (21), the transition hole (3), the tool hole (11) and the threaded hole (10) are positioned on the same vertical axis.
CN202010842194.5A 2020-08-20 2020-08-20 Anti-theft nut with blocking bead Active CN111927867B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010842194.5A CN111927867B (en) 2020-08-20 2020-08-20 Anti-theft nut with blocking bead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010842194.5A CN111927867B (en) 2020-08-20 2020-08-20 Anti-theft nut with blocking bead

Publications (2)

Publication Number Publication Date
CN111927867A CN111927867A (en) 2020-11-13
CN111927867B true CN111927867B (en) 2022-03-25

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU798378A1 (en) * 1978-01-02 1981-01-23 Предприятие П/Я Г-4213 Bolt
DK58683D0 (en) * 1983-02-11 1983-02-11 Otto Johan Magnus Noergaard SAFETY DEVICE
DE202007008534U1 (en) * 2007-06-14 2007-08-30 Hema-Zaunsysteme Gmbh Safety screw for e.g. fence system, has insert arranged in tool holder and formed by ball, where ball is manufactured from aluminum and diameter of ball corresponds to dimensions of tool retainer
CN105782213A (en) * 2016-04-27 2016-07-20 安徽晨讯智能科技有限公司 Mechanical anti-theft screw
CN105934592A (en) * 2013-12-16 2016-09-07 Lisi 航空 Temporary fastener
CN108547851A (en) * 2018-07-21 2018-09-18 福建金砖知识产权服务有限公司 A kind of anti-theft bolt
CN208236876U (en) * 2018-04-28 2018-12-14 厦门新沪厦五金工贸有限公司 A kind of anti-theft bolt
CN110332212A (en) * 2019-07-13 2019-10-15 海盐县机械有限公司 A kind of anti-theft bolt
CN110425214A (en) * 2019-08-23 2019-11-08 海盐尚科五金有限公司 A kind of anti-theft bolt with stealingproof sleeve
CN110454480A (en) * 2019-08-10 2019-11-15 张瑾 A kind of anti-theft type bolt
CN110552949A (en) * 2018-05-31 2019-12-10 波音公司 Retention self-aligning washer and nut assembly and method of manufacture by additive manufacturing

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2227713Y (en) * 1995-01-13 1996-05-22 贾炳山 Safety theft alarm lock for bicycle
CN201041186Y (en) * 2007-04-23 2008-03-26 陈四甫 Theft-proof nut
US8444167B1 (en) * 2010-12-16 2013-05-21 Nour-Eddine Derdari Hitch lock device for trailers
DE202014104350U1 (en) * 2014-09-14 2014-09-23 Jiaxing City Gangqu Kalun Trading Co., Ltd. A nut with integrated turning device
CN205806158U (en) * 2016-06-27 2016-12-14 嘉兴艾可森紧固件有限公司 A kind of anti-theft screw of band copper block
CN111156374B (en) * 2019-12-30 2021-07-20 广州创显科教设备有限公司 Anti-theft wall hanging rack for multimedia equipment

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU798378A1 (en) * 1978-01-02 1981-01-23 Предприятие П/Я Г-4213 Bolt
DK58683D0 (en) * 1983-02-11 1983-02-11 Otto Johan Magnus Noergaard SAFETY DEVICE
DE202007008534U1 (en) * 2007-06-14 2007-08-30 Hema-Zaunsysteme Gmbh Safety screw for e.g. fence system, has insert arranged in tool holder and formed by ball, where ball is manufactured from aluminum and diameter of ball corresponds to dimensions of tool retainer
CN105934592A (en) * 2013-12-16 2016-09-07 Lisi 航空 Temporary fastener
CN105782213A (en) * 2016-04-27 2016-07-20 安徽晨讯智能科技有限公司 Mechanical anti-theft screw
CN208236876U (en) * 2018-04-28 2018-12-14 厦门新沪厦五金工贸有限公司 A kind of anti-theft bolt
CN110552949A (en) * 2018-05-31 2019-12-10 波音公司 Retention self-aligning washer and nut assembly and method of manufacture by additive manufacturing
CN108547851A (en) * 2018-07-21 2018-09-18 福建金砖知识产权服务有限公司 A kind of anti-theft bolt
CN110332212A (en) * 2019-07-13 2019-10-15 海盐县机械有限公司 A kind of anti-theft bolt
CN110454480A (en) * 2019-08-10 2019-11-15 张瑾 A kind of anti-theft type bolt
CN110425214A (en) * 2019-08-23 2019-11-08 海盐尚科五金有限公司 A kind of anti-theft bolt with stealingproof sleeve

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