CN201053433Y - Ball convex decorated anti-theft screw nut - Google Patents

Ball convex decorated anti-theft screw nut Download PDF

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Publication number
CN201053433Y
CN201053433Y CNU200720079267XU CN200720079267U CN201053433Y CN 201053433 Y CN201053433 Y CN 201053433Y CN U200720079267X U CNU200720079267X U CN U200720079267XU CN 200720079267 U CN200720079267 U CN 200720079267U CN 201053433 Y CN201053433 Y CN 201053433Y
Authority
CN
China
Prior art keywords
nut
screw
ball
external
internal
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
CNU200720079267XU
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Chinese (zh)
Inventor
张航
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.)
Chengdu Wujiang Xinghuo Patent Development Institute
Original Assignee
Chengdu Wujiang Xinghuo Patent Development Institute
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 Chengdu Wujiang Xinghuo Patent Development Institute filed Critical Chengdu Wujiang Xinghuo Patent Development Institute
Priority to CNU200720079267XU priority Critical patent/CN201053433Y/en
Application granted granted Critical
Publication of CN201053433Y publication Critical patent/CN201053433Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model provides a theftproof nut with ball concave decoration which is characterized in that: an internal nut with clamp function has an appearance similar to a hollow crop conical screw cap bolt; the screw cap of the nut is embedded into a conical groove of an external nut; an inner hole has master threads matching with a screw, and the outside has fine left hand shallow threads matching with the external nut; the external nut has an appearance the same as a hex nut, and the middle hole has the fine left hand shallow threads matching with the internal nut; the locking intensity of the external nut is lower than that the internal nut and the screw. The combined nut is packed into the screw and is screwed down, and when up to the rating torque, short-lived threads of the external nut damage the sliding filament and are capable of only skidding on the periphery of the internal nut; the screw cap of the internal nut is made into a ball concave end closure which can be made of stainless steel or colorful plastic; therefore, the utility model is beautiful and colorful and can not be clamped or disassembled by common tools, thereby having the function of bright and colorful decoration which common theftproof nuts do not have.

Description

Ball bossage anti-theft nut
Technical field
The utility model relates to a kind of nut part, especially license plate of fastening piece and decorates anti-theft nut.
Background technique
At present, known conventional nut is convenient to loading and unloading because of it, also is convenient to the theft of crime one's share of expenses for a joint undertaking and destroys; Some have the nut of anti-theft feature, but lack decorative artistic effect.
Summary of the invention
In order to overcome above-mentioned deficiency, the utility model provides a kind of ball bossage anti-theft nut, just can reach purpose not only antitheft but also attractive in appearance.
The technical scheme in the invention for solving the technical problem is: the ball bossage anti-theft nut that is combined by inner nut and outer nut, it is characterized in that: the inner nut of fastening effect together is set, external form is as the conical cap screw of hollow tack, its cap embeds the cone-shaped groove of outer nut, endoporus is and the box thread of screw rod coupling that the outside is the left-handed shallow thread of closely-pitched that mates with outer nut.Outer nut is only to work the short-lived nut that drives the fastening effect of inner nut, and the same hexagon nut of external form, mesopore are and the left-handed box thread of closely-pitched of inner nut coupling that its locking intensity is lower than the locking intensity of inner nut and screw rod.The outer nut of earlier inner nut being packed into during use screws into a suit assembled nut.This assembled nut is packed into and is tightened by spanner behind the screw rod, and when reaching rated torque, short-lived outer nut thread damage stripped thread can only skid in the inner nut periphery, just again interior tightening nut can't be unloaded with conventional means and instrument, to reach antitheft purpose.The more important thing is that the tack top at the conical cap of tack is provided with a ball convex surface end socket, makes it increase very strong decorative effect.Useful stainless steel or colored plastic are made, and light not only attractive in appearance is gorgeous but also can't dismantle with conventional tool holder, and that plays that general anti-theft nut can't play has a coloured decorating action of light.Here be noted that spiro rod length, behind the locking object, can not surmount in the ball convex surface end socket empty.
The beneficial effects of the utility model are: simple in structure, tamper robber is functional, ornamental by force, cost is low.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples:
Fig. 1 is an inner nut panorama schematic representation, and Fig. 2 is an outer nut panorama schematic representation, and Fig. 3 is that inner nut is dissected schematic representation, and Fig. 4 is that outer nut is dissected schematic representation, and Fig. 5 is that the assembled nut that is assembled into is dissected schematic representation, and Fig. 6 is a schematic top plan view.
The flattened conical shape cap of 1. inner nuts adds ball convex-shaped end socket among the figure, 2. with the coarse thread box thread of screw rod coupling, 3. with the left-handed shallow thread of closely-pitched of outer nut coupling, 4. with inner nut cap inner conical groove movingly, 5. with the left-handed box thread of closely-pitched of inner nut coupling.
Embodiment
In the drawings, the inner nut of fastening effect (1) together is set, external form is as hollow tack conical screw, its cap embeds the cone-shaped groove (4) of outer nut, endoporus is and the box thread (2) of screw rod coupling that the outside is the left-handed shallow thread of closely-pitched (3) that mates with outer nut. outer nut is only to work a short-lived nut that drives the fastening effect of inner nut, the same hexagon nut of external form, mesopore is and the left-handed box thread of closely-pitched (5) of inner nut coupling that its locking intensity is lower than the locking intensity of inner nut and screw rod.This assembled nut is packed into and is tightened by spanner behind the screw rod, and when reaching rated torque, short-lived nut thread destroys stripped thread, can only skid in the inner nut periphery, just again interior tightening nut can't be unloaded with conventional means and instrument, to reach antitheft purpose.In addition with the tack top of the conical cap of tack of inner nut, a ball convex surface end socket is set, light not only attractive in appearance is gorgeous but also can't dismantle with conventional tool holder, and that plays that general anti-theft nut can't play has a coloured decorating action of light.

Claims (3)

1. ball bossage anti-theft nut, combine by inner nut and outer nut, it is characterized in that: the inner nut of fastening effect (1) together is set, external form is as the conical screw of hollow tack, endoporus is and the box thread (2) of screw rod coupling that the outside is the left-handed shallow thread of closely-pitched (3) that mates with outer nut, the same hexagon nut of outer nut external form, mesopore is and the left-handed box thread of closely-pitched (5) of inner nut coupling that its locking intensity is lower than the locking intensity of inner nut and screw rod.
2. by the described ball bossage anti-theft nut of claim 1, it is characterized in that: the conical cap tack of the tack of its inner nut top is provided with a ball convex surface end socket.
3. by the described ball bossage anti-theft nut of claim 1, it is characterized in that: the conical cap (1) of the ball plush copper of inner nut, the cone-shaped groove (4) of embedding outer nut.
CNU200720079267XU 2007-04-23 2007-04-23 Ball convex decorated anti-theft screw nut Expired - Fee Related CN201053433Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200720079267XU CN201053433Y (en) 2007-04-23 2007-04-23 Ball convex decorated anti-theft screw nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200720079267XU CN201053433Y (en) 2007-04-23 2007-04-23 Ball convex decorated anti-theft screw nut

Publications (1)

Publication Number Publication Date
CN201053433Y true CN201053433Y (en) 2008-04-30

Family

ID=39393096

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200720079267XU Expired - Fee Related CN201053433Y (en) 2007-04-23 2007-04-23 Ball convex decorated anti-theft screw nut

Country Status (1)

Country Link
CN (1) CN201053433Y (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360738A (en) * 2011-08-11 2012-02-22 胡宗 Dry-type transformer with fastening system with standardized appearance
CN105972037A (en) * 2016-07-01 2016-09-28 无锡欧洛普科技有限公司 Nut with imaging mirrors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102360738A (en) * 2011-08-11 2012-02-22 胡宗 Dry-type transformer with fastening system with standardized appearance
CN105972037A (en) * 2016-07-01 2016-09-28 无锡欧洛普科技有限公司 Nut with imaging mirrors

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080430