CN201884435U - Heat treatment quench hardening detachable three-special thread theftproof nut - Google Patents

Heat treatment quench hardening detachable three-special thread theftproof nut Download PDF

Info

Publication number
CN201884435U
CN201884435U CN2010202339883U CN201020233988U CN201884435U CN 201884435 U CN201884435 U CN 201884435U CN 2010202339883 U CN2010202339883 U CN 2010202339883U CN 201020233988 U CN201020233988 U CN 201020233988U CN 201884435 U CN201884435 U CN 201884435U
Authority
CN
China
Prior art keywords
nut
clockwise direction
shelves
section
move back
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
CN2010202339883U
Other languages
Chinese (zh)
Inventor
徐尚仁
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN2010202339883U priority Critical patent/CN201884435U/en
Application granted granted Critical
Publication of CN201884435U publication Critical patent/CN201884435U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Abstract

The utility model discloses a heat treatment quench hardening detachable three-special thread theftproof nut which is a non-standard nut in the fasteners and comprises a heat treatment quench hardening detachable three-special thread theftproof nut body (1), a minor-diameter outer top section (3) at the outer circumference wall of the nut, a major-diameter outer bottom section (4) at the outer circumference wall of the nut, a nut bottom surface (5) and the like, wherein the minor-diameter outer top section (3) at the outer circumference wall of the nut is provided with a nut outer small top section which is screwed into a right hand thread (13) along the clockwise direction or a nut outer small top section which is screwed into a left hand thread (23) along the anticlockwise direction. After being matched with the theftproof screw, anti-loosing screw gasket, special assembly and disassembly tool for the theftproof screw, a monkey spanner and the like with corresponding specifications and shapes for use, the theftproof nut can be used for conducting theftproof fixed installation or replacement on easily-stolen facilities in the electric power, traffic, environmental protection and the like which are installed outdoors, thus having obvious social benefits.

Description

Heat-treatment quenching increases hard detachable three different thread anti-theft nut
Technical field
The utility model is the nonstandard nut in a kind of fastening piece, the anti-theft screw of it and corresponding specification and shape, locking move back supporting uses such as screw washer, the special-purpose mounting or dismounting tools of anti-theft screw, adjustable spanner after, can carry out fixed installation of security or change the outfit having used to being installed on easy pirate facilities such as outdoor electric power, traffic, environmental protection in a large number, its social benefit be obvious.
Background technique
To ending at present, still lack real effectively, convenient, the antitheft reliable anti-theft screw of mounting or dismounting and assembly and Disassembly special tool series product thereof, cause a large amount of outdoor easy pirate facilities constantly to be stolen and sold, it has caused restriction and influence in various degree to people's production, life.
Summary of the invention
The purpose of this utility model is for overcoming deficiency of the prior art, provide a kind of simple in structure, mounting or dismounting are convenient, antitheft reliable, cheap the utility model heat-treatment quenching increases hard detachable three different thread anti-theft nut technology.
The technological scheme that its technical problem that solves the utility model adopts is:
The utility model heat-treatment quenching increases hard detachable three different thread anti-theft nut, comprise that heat-treatment quenching increases hard detachable three different thread anti-theft nut parent 1, nut end face 2, nut outer circle wall minor diameter is the section of top 3 outward, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall be along the contrary clockwise direction precession left-handed thread 9 of clockwise direction precession right-handed thread 8 or nut inner hole wall, is provided with nut outside outside suitable clockwise direction precession right-handed thread 13 of little top section or the nut little top on the section of top 3 section against clockwise direction precession left-handed thread 23 outside nut outer circle wall minor diameter.
On nut outer circle wall major diameter outer bottom section 4, be provided with outside the nut contrary clockwise direction precession left-handed thread 14 of section of the big end or the suitable clockwise direction precession right-handed thread 24 of section of the outer big end of nut.The diameter of described nut outer circle wall major diameter outer bottom section 4 is greater than the nut outer circle wall minor diameter diameter of the section of top 3 outward.Revolve and move back the recessed left-handed top of shape and move back shelves 45 or nut bottom surface and revolve along clockwise direction and move back recessed shape dextrorotation top and move back shelves 55 along the left-handed locking left-handed locking contrary clockwise direction of tooth 25 or nut bottom surface that moves back of the contrary protruding high shape of clockwise direction precession of tooth 15 or nut bottom surface that moves back of the protruding high shape of clockwise direction precession on the nut the bottom surface 5 or nut bottom surface that is provided with linking body structure on its part bottom surface.Be provided with the suitable right tooth of the protruding high shape in nut bottom surface left side tooth wall 151, the right slope 152 of the suitable right tooth of the protruding high shape in nut bottom surface and the protruding high shape in nut bottom surface on the tooth 15 along the left tooth top 153 of right tooth in the nut bottom surface along locking the moving back of the protruding high shape dextrorotation of clockwise direction precession.Or in the nut bottom surface the contrary protruding high shape of clockwise direction precession left-handed locking move back do not have the right tooth wall 251 of the contrary left tooth of the protruding high shape in nut bottom surface on the tooth 25, the contrary left tooth left tilted surface domatic 252 of the protruding high shape in nut bottom surface and the right tooth top 253 of the contrary left tooth of the protruding high shape in nut bottom surface.Or the contrary clockwise direction in nut bottom surface revolve move back the recessed left-handed top of shape move back the recessed left-handed top of shape, the nut bottom surface that is respectively equipped with linking body structure on the shelves 45 again move back a shelves left side shelves wall 451, the recessed left-handed top of shape, nut bottom surface move back the right slope of shelves at the bottom of 452 and the recessed left-handed top of shape, nut bottom surface move back the darkest wall of shelves left side shelves wall at the bottom of 453.Or the nut bottom surface revolve along clockwise direction move back recessed shape dextrorotation top move back recessed shape dextrorotation top, the nut bottom surface that is respectively equipped with linking body structure on the shelves 55 again move back the right shelves of a shelves wall 551, recessed shape dextrorotation top, nut bottom surface move back the left slope of shelves at the bottom of 552 and recessed shape dextrorotation top, nut bottom surface move back the darkest shelves of the right shelves of a shelves wall end 553.
The beneficial effects of the utility model are:
1, the anti-theft screw of the utility model and corresponding specification and shape, locking move back supporting uses such as screw washer, special tool, adjustable spanner after, can carry out fixed installation of security or change the outfit having used to being installed on easy pirate facilities such as outdoor electric power, traffic, environmental protection in a large number, its social benefit be obvious.
2, the utility model is simple in structure, cheap, antitheft reliably, social benefit is obvious.
Description of drawings
Fig. 1 is the 1st kind of embodiment's general structure schematic representation of the utility model.
Fig. 2 is the 2nd kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 3 is the 3rd kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 4 is the 4th kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 5 is the 5th kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 6 is the 6th kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 7 is the 7th kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 8 is the 8th kind of embodiment's concrete structure schematic representation of the utility model.
Fig. 9 is the 9th kind of embodiment's concrete structure schematic representation of the utility model.
Figure 10 is the 10th kind of embodiment's concrete structure schematic representation of the utility model.
Figure 11 is the 11st kind of embodiment's concrete structure schematic representation of the utility model.
Figure 12 is the 12nd kind of embodiment's concrete structure schematic representation of the utility model.
Figure 13 is the suitable locking tooth 15 bottom surfaces worm's eye view up that moves back of the protruding high shape dextrorotation of clockwise direction precession in the 2nd kind, the 4th kind embodiment's nut bottom surface of the utility model.
Figure 14 is the contrary left-handed locking tooth 15 bottom surfaces worm's eye view up that moves back of the protruding high shape of clockwise direction precession in the 6th kind, the 8th kind embodiment's nut bottom surface of the utility model.
Figure 15 moves back the recessed left-handed top of shape for the contrary clockwise direction in the 3rd kind, the 6th kind embodiment's nut bottom surface of the utility model revolves and moves back shelves 45 bottom surfaces worm's eye view up.
Figure 16 moves back recessed shape dextrorotation top for the suitable clockwise direction in the 9th kind, the 12nd kind embodiment's nut bottom surface of the utility model revolves and moves back shelves 55 bottom surfaces worm's eye view up.
Embodiment
Following structure accompanying drawing is further described the utility model.
The section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are provided with little top section suitable clockwise direction precession right-handed thread 13 nut outside along clockwise direction precession right-handed thread 8 on the section of top 3 outside nut outer circle wall minor diameter outside Fig. 1 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter.
The section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are along clockwise direction precession right-handed thread 8 outside Fig. 2 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with section suitable clockwise direction precession right-handed thread 13 in little top outside the nut on the section of top 3, on nut bottom surface 5, be provided with the nut bottom surface along the locking tooth 15 that moves back of the protruding high shape of clockwise direction precession.
The section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are along clockwise direction precession right-handed thread 8 outside Fig. 3 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with outside the nut little top section on the section of top 3 along clockwise direction precession right-handed thread 13, on nut bottom surface 5, be provided with the contrary clockwise direction in nut bottom surface and revolve and move back the recessed left-handed top of shape and move back shelves 45.
The section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are along clockwise direction precession right-handed thread 8 outside Fig. 4 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with section suitable clockwise direction precession right-handed thread 13 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with the contrary clockwise direction precession left-handed thread 14 of section of the big end outside the nut.
Increase the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Fig. 5 heat-treatment quenching, nut outer circle wall minor diameter is the section of top 3 outward, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are along clockwise direction precession right-handed thread 8, outside nut outer circle wall minor diameter, be provided with section suitable clockwise direction precession right-handed thread 13 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with the contrary clockwise direction precession left-handed thread 14 of section of the big end outside the nut, on nut bottom surface 5, be provided with the nut bottom surface along the locking tooth 15 that moves back of the protruding high shape dextrorotation of clockwise direction precession.
Increase the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Fig. 6 heat-treatment quenching, nut outer circle wall minor diameter is the section of top 3 outward, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall are along clockwise direction precession right-handed thread 8, outside nut outer circle wall minor diameter, be provided with section suitable clockwise direction precession right-handed thread 13 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with outside the nut the contrary clockwise direction precession left-handed thread 14 of section of the big end, on nut bottom surface 5, be provided with the contrary clockwise direction in nut bottom surface and revolve and move back the recessed left-handed top of shape and move back shelves 45.
The contrary clockwise direction precession left-handed thread 9 of the section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall outside Fig. 7 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter is provided with nut outside little top section against clockwise direction precession left-handed thread 23 on the section of top 3 outside nut outer circle wall minor diameter.
The contrary clockwise direction precession left-handed thread 9 of the section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall outside Fig. 8 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with section contrary clockwise direction precession left-handed thread 23 in little top outside the nut on the section of top 3, on nut bottom surface 5, be provided with the contrary left-handed locking tooth 25 that moves back of the protruding high shape of clockwise direction precession in nut bottom surface.
The contrary clockwise direction precession left-handed thread 9 of the section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall outside Fig. 9 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with section contrary clockwise direction precession left-handed thread 23 in little top outside the nut on the section of top 3, on nut bottom surface 5, be provided with the nut bottom surface and revolve along clockwise direction and move back recessed shape dextrorotation top and move back shelves 55.
The contrary clockwise direction precession left-handed thread 9 of the section of top 3, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, nut inner hole wall 7 and nut inner hole wall outside Figure 10 heat-treatment quenching increases the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1, nut outer circle wall minor diameter, outside nut outer circle wall minor diameter, be provided with section contrary clockwise direction precession left-handed thread 23 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with the suitable clockwise direction precession right-handed thread 24 of section of the big end outside the nut.
Increase the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 11 heat-treatment quenching, nut outer circle wall minor diameter is the section of top 3 outward, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, the contrary clockwise direction precession left-handed thread 9 of nut inner hole wall 7 and nut inner hole wall, outside nut outer circle wall minor diameter, be provided with section contrary clockwise direction precession left-handed thread 23 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with the suitable clockwise direction precession right-handed thread 24 of section of the big end outside the nut, on nut bottom surface 5, be provided with the contrary locking tooth 25 that moves back of the protruding high shape of clockwise direction precession in nut bottom surface.
Increase the nut end face 2 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 12 heat-treatment quenching, nut outer circle wall minor diameter is the section of top 3 outward, nut outer circle wall major diameter outer bottom section 4, nut bottom surface 5, nut inner hole 6, the contrary clockwise direction precession left-handed thread 9 of nut inner hole wall 7 and nut inner hole wall, outside nut outer circle wall minor diameter, be provided with section contrary clockwise direction precession left-handed thread 23 in little top outside the nut on the section of top 3, on nut outer circle wall major diameter outer bottom section 4, be provided with outside the nut section of the big end along clockwise direction precession right-handed thread 24, on nut bottom surface 5, be provided with the nut bottom surface and revolve along clockwise direction and move back recessed shape dextrorotation top and move back shelves 55.
Increase nut bottom surface 5, nut inner hole 6, the nut inner hole wall 7 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 13 heat-treatment quenching, on nut bottom surface 5, be provided with the nut bottom surface along the locking tooth 15 that moves back of the protruding high shape dextrorotation of clockwise direction precession, be respectively equipped with the suitable right tooth of the protruding high shape in nut bottom surface left side tooth wall 151, the right slope 152 of the suitable right tooth of the protruding high shape in nut bottom surface and the protruding high shape in nut bottom surface on the tooth 15 again along the left tooth top 153 of right tooth along locking the moving back of the protruding high shape dextrorotation of clockwise direction precession in the nut bottom surface.
Increase nut bottom surface 5, nut inner hole 6, the nut inner hole wall 7 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 14 heat-treatment quenching, be provided with the contrary left-handed locking tooth 25 that moves back of the protruding high shape of clockwise direction precession in nut bottom surface on nut bottom surface 5, left-handed locking the moving back of the contrary protruding high shape of clockwise direction precession is respectively equipped with the right tooth wall 251 of the contrary left tooth of the protruding high shape in nut bottom surface, the contrary left tooth left side slope 252 of the protruding high shape in nut bottom surface and the right tooth top 253 of the contrary left tooth of the protruding high shape in nut bottom surface again on the tooth 25 in the nut bottom surface.
Increase nut bottom surface 5, nut inner hole 6, the nut inner hole wall 7 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 15 heat-treatment quenching, on nut bottom surface 5, be provided with the contrary clockwise direction in nut bottom surface and revolve and move back the recessed left-handed top of shape and move back shelves 45, the contrary clockwise direction in nut bottom surface revolve move back the recessed left-handed top of shape move back the recessed left-handed top of shape, the nut bottom surface that is respectively equipped with linking body structure on the shelves 45 again move back a shelves left side shelves wall 451, the recessed left-handed top of shape, nut bottom surface move back the right slope of shelves at the bottom of 452 and the recessed left-handed top of shape, nut bottom surface move back the darkest wall of shelves left side shelves wall at the bottom of 453.
Increase nut bottom surface 5, nut inner hole 6, the nut inner hole wall 7 that is respectively equipped with linking body structure on the hard detachable three different thread anti-theft nut parent 1 at Figure 16 heat-treatment quenching, on nut bottom surface 5, be provided with the nut bottom surface and revolve along clockwise direction and move back recessed shape dextrorotation top and move back shelves 55, the nut bottom surface revolve along clockwise direction move back recessed shape dextrorotation top move back recessed shape dextrorotation top, the nut bottom surface that is respectively equipped with linking body structure on the shelves 55 again move back the right shelves of a shelves wall 551, recessed shape dextrorotation top, nut bottom surface move back the left slope of shelves at the bottom of 552 and recessed shape dextrorotation top, nut bottom surface move back the darkest shelves of the right shelves of a shelves wall end 553.

Claims (8)

1. a heat-treatment quenching increases hard detachable three different thread anti-theft nut, comprise that heat-treatment quenching increases hard detachable three different thread anti-theft nut parent (1), nut end face (2), nut outer circle wall minor diameter is the section of top (3) outward, nut outer circle wall major diameter outer bottom section (4), nut bottom surface (5), nut inner hole (6), nut inner hole wall (7) and nut inner hole wall is characterized in that along the contrary clockwise direction precession left-handed thread (9) of clockwise direction precession right-handed thread (8) or nut inner hole wall: be provided with nut outside outside suitable clockwise direction precession right-handed thread (13) of little top section or the nut little top on the section of top (3) section against clockwise direction precession left-handed thread (23) outside nut outer circle wall minor diameter.
2. heat-treatment quenching according to claim 1 increases hard detachable three different thread anti-theft nut, it is characterized in that: be provided with outside the nut contrary clockwise direction precession left-handed thread (14) of section of the big end or the suitable clockwise direction precession right-handed thread (24) of section of the outer big end of nut on nut outer circle wall major diameter outer bottom section (4).
3. heat-treatment quenching according to claim 1 increases hard detachable three different thread anti-theft nut, it is characterized in that: the diameter of described nut outer circle wall major diameter outer bottom section (4) is greater than the nut outer circle wall minor diameter diameter of the section of top (3) outward.
4. heat-treatment quenching according to claim 1 increases hard detachable three different thread anti-theft nut, it is characterized in that: nut bottom surface (5) go up or its part bottom surface on be provided with linking body structure the nut bottom surface revolve and move back the recessed left-handed top of shape and move back shelves (45) or nut bottom surface and revolve along clockwise direction and move back recessed shape dextrorotation top and move back shelves (55) along the locking left-handed locking contrary clockwise direction of tooth (25) or nut bottom surface that moves back of the contrary protruding high shape of clockwise direction precession of tooth (15) or nut bottom surface that moves back of the protruding high shape dextrorotation of clockwise direction precession.
5. heat-treatment quenching according to claim 4 increases hard detachable three different thread anti-theft nut, it is characterized in that: be provided with the suitable right tooth of the protruding high shape in nut bottom surface left side tooth wall (151), the right slope (152) of the suitable right tooth of the protruding high shape in nut bottom surface and the protruding high shape in nut bottom surface on the tooth (15) along the left tooth top (153) of right tooth in the nut bottom surface along locking the moving back of the protruding high shape dextrorotation of clockwise direction precession.
6. heat-treatment quenching according to claim 4 increases hard detachable three different thread anti-theft nut, it is characterized in that: left-handed locking the moving back of the contrary protruding high shape of clockwise direction precession is provided with the right tooth wall (251) of the contrary left tooth of the protruding high shape in nut bottom surface, the contrary left tooth left side slope (252) of the protruding high shape in nut bottom surface and the right tooth top (253) of the contrary left tooth of the protruding high shape in nut bottom surface on the tooth (25) in the nut bottom surface.
7. heat-treatment quenching according to claim 4 increases hard detachable three different thread anti-theft nut, it is characterized in that: the contrary clockwise direction in nut bottom surface revolve move back the recessed left-handed top of shape move back the recessed left-handed top of shape, the nut bottom surface that is respectively equipped with linking body structure on the shelves (45) again move back a shelves left side shelves wall (451), the recessed left-handed top of shape, nut bottom surface move back the right slope of shelves at the bottom of the recessed left-handed top of shape in (452) and nut bottom surface move back a shelves left side grade the darkest wall of wall at the bottom of (453).
8. heat-treatment quenching according to claim 4 increases hard detachable three different thread anti-theft nut, it is characterized in that: the nut bottom surface revolve along clockwise direction move back recessed shape dextrorotation top move back recessed shape dextrorotation top, the nut bottom surface that is respectively equipped with linking body structure on the shelves (55) again move back the right shelves of a shelves wall (551), recessed shape dextrorotation top, nut bottom surface move back the left slope of shelves at the bottom of (552) and nut bottom surface recessed shape dextrorotation top move back the darkest grade of end (553) of the right shelves of shelves wall.
CN2010202339883U 2010-06-19 2010-06-19 Heat treatment quench hardening detachable three-special thread theftproof nut Expired - Fee Related CN201884435U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202339883U CN201884435U (en) 2010-06-19 2010-06-19 Heat treatment quench hardening detachable three-special thread theftproof nut

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202339883U CN201884435U (en) 2010-06-19 2010-06-19 Heat treatment quench hardening detachable three-special thread theftproof nut

Publications (1)

Publication Number Publication Date
CN201884435U true CN201884435U (en) 2011-06-29

Family

ID=44181976

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202339883U Expired - Fee Related CN201884435U (en) 2010-06-19 2010-06-19 Heat treatment quench hardening detachable three-special thread theftproof nut

Country Status (1)

Country Link
CN (1) CN201884435U (en)

Similar Documents

Publication Publication Date Title
CN201496379U (en) Retractable hot processing quenching hardening anti-theft screw nut
CN202188004U (en) Heat treatment quenching hard enhancing anti-theft nut with propping bar being arranged on top surface
CN201884435U (en) Heat treatment quench hardening detachable three-special thread theftproof nut
CN2818890Y (en) Safety bolt and nut and special spanner
CN201615131U (en) Heat treatment quenching anti-theft screw nail capable of being assembled and disassembled forwards and backwards
CN201884438U (en) Thermal treatment quenching-hardening arc outer peripheral wall theft-proof nut
CN201763784U (en) Heat-treating quenching hardening advancing-retreating anti-theft screw
CN201902424U (en) Heat-treatment quenching hardened detachable triple-differential-thread antitheft screw
CN202001479U (en) Anti-theft screw with concave-convex surface arranged on top of screw hole in top of hardening screw subject to thermal treatment
CN201827215U (en) Theft-proofing nut capable of being disassembled only by unique special tool
CN201763782U (en) Abnormal anti-theft nut hardened through heat treatment quenching
CN201597003U (en) Wrench-compatible convertible sleeve specific for assembling/disassembling antitheft triple-contrary screw
CN201486998U (en) Disposable theftproof screw nut only capable of being screwed in rather than being screwed out
CN201519930U (en) Special inner sleeve externally fitting type wrench socket for anti-theft screws capable of advancing and retreating
CN201866065U (en) Anti-theft screw hardened through heat treatment and quenching provided with screw top with circular arc-shaped outer circumferential wall
CN102086900A (en) Heat-treated and quenched anti-theft nut capable of being assembled and disassembled in advancing and retreating way
CN201496368U (en) Retractable hot processing quenching hardening anti-theft screw
CN102094887A (en) Heat treatment quenching anti-theft screw capable of being assembled and disassembled in mode of advance and retreat
CN201763756U (en) Heat-treating quenching hardening assembling-disassembling anti-theft nut
CN102297192B (en) Heat-treatment quenching hardened anti-theft nut with top barrier at top
CN102032254A (en) Thermal treatment quenching enhanced hard arc antitheft screw with outer peripheral wall top
CN202001476U (en) Heat treatment quenching hardness enhancement circular arc shaped anti-theft screw with screw top at external circle wall
CN102052380A (en) Thermally-treated, quenched and hardened theft-proof nut with circular-arc outer circumferential wall
CN201599301U (en) Heat-treated and quenched antitheft nut capable of being mounted and demounted forwards and backwards
CN201953790U (en) Heat treatment quenching hardened arc-shaped outer circumferential wall anti-theft nut

Legal Events

Date Code Title Description
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: 20110629

Termination date: 20120619