CN101936323B - Vehicle theftproof nut - Google Patents
Vehicle theftproof nut Download PDFInfo
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- CN101936323B CN101936323B CN2010102847353A CN201010284735A CN101936323B CN 101936323 B CN101936323 B CN 101936323B CN 2010102847353 A CN2010102847353 A CN 2010102847353A CN 201010284735 A CN201010284735 A CN 201010284735A CN 101936323 B CN101936323 B CN 101936323B
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- overcoat
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Abstract
The invention provides a vehicle theftproof nut, belonging to the field of mechanical technologies. The vehicle theftproof nut solves the problems of poor theftproof performance and low structural strength of the traditional theftproof nut. The vehicle theftproof nut comprises an inner core with an inner thread at one end, and the other end of the inner core is provided with a prism force-bearing part sheathed with a sleeve; an outer sleeve is also sleeved at the force-bearing part and is located outside the inner core, the outer side face of the outer sleeve is circular, and a lock-up structure used for locating the outer sleeve and the inner core and for preventing the sleeve from being sleeved on the force-bearing part is arranged between the outer sleeve and the inner core. The inner thread and the force-bearing part of the vehicle theftproof nut are arranged on the inner core, so that all the torque is born by the inner core per se during the rotation of the nut. Thus, the nut has high structural strength and long service life, the outer sleeve only has the function of locking the force-bearing part, and the nut has low manufacturing cost; and the lock core does not bear any torque action, and has long service life and good theftproof performance.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of fastening piece, particularly a kind of anti-theft nut.
Background technique
Anti-theft nut is widely used in and is used for outdoor or indoor the fastening of antitheft article that need, and as being positioned over outdoor hydraulic power public facilities for a long time, the spare tyre of automobile etc. if there is not anti-theft measure, are easy to stolen by the lawless person, cause very big loss.
Lock like the disclosed anti-theft nut of Chinese patent (notice of authorization CN2148138Y) in the existing technology; Mainly form by stealingproof sleeve and the nut that is placed in one, lock core, lock tube and inserted block; There is place kick to come off between nut and the stealingproof sleeve to prevent stealingproof sleeve; Stealingproof sleeve can rotate, and the tail end that nut and lock tube are relative respectively has groove, and inserted block can slide in groove constitutes slideway and can slip among the groove that the stealingproof sleeve inwall opens.In brief, above-mentioned patent is to snap in groove or the disengaging groove through lock core control inserted block, makes nut and stealingproof sleeve circumferentially fix or circumferential the rotation.When rotational lock core makes nut and stealingproof sleeve circumferentially fixedly the time, stealingproof sleeve can drive nut and rotate; When rotational lock core made stealingproof sleeve and nut circumferentially rotatable, rotation stealingproof sleeve nut did not rotate, thereby reached the purpose of locking.
In the above-mentioned patent, when inserted block snaps in groove, can drive the nut rotation, when inserted block breaks away from groove, rotate the stealingproof sleeve nut and do not rotate thereupon through rotating stealingproof sleeve.If when needing rotating nut,, drive nut through inserted block and rotate through rotating stealingproof sleeve; All moments of torsion that drive the nut rotation this moment are born by inserted block, and the inserted block lifting surface area is little, therefore will guarantee the intensity of nut; The anti-torsional strength of inserted block material requires very high, otherwise, under bigger moment of rotation; Inserted block ruptures easily, thereby damages anti-theft nut.And in long-term using process, because inserted block bears big torsion for a long time, reduce its working life greatly.Especially when anti-theft nut was applied on the automobile spare tire, because the requirement of the pretightening force of nut is bigger, the mechanical strength of said structure anti-theft nut can't satisfy the theft-proof requirement of automobile spare tire far away.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, it is good to have proposed a kind of theftproof performance, the anti-theft nut that mechanical strength is high.
The object of the invention can be realized through following technical proposal: a kind of automobile burglar nut; Comprise that an end has the inner core of internal thread; It is characterized in that the described inner core the other end has the forced section that is used to supply the sleeve socket that is prism-shaped, the described inner core outside is positioned at the forced section place and also is arranged with overcoat; Described overcoat outer side surface is rounded, also is provided with between described overcoat and the inner core and to prevent that jacket casing is connected to the keying structure on the forced section with both lockings.
Have internal thread and forced section on the inner core, when anti-theft nut was in the lock state, overcoat was set on the forced section; Relative position locking between overcoat and the inner core; And under the effect of inner core its external sleeve, sleeve can't insert in the forced section, and the outside of overcoat is rounded; Can't be turned, therefore can be reached the purpose of antitheft; When anti-theft nut was in released state, sleeve can insert forced section smoothly and rotate inner core, and to tighten or to unclamp nut, in the rotation process, the driving torque of sleeve is born by inner core fully, so its mechanical strength is high.
In above-mentioned automobile burglar nut; Axial restraint and can circumferentially rotating between described overcoat and the inner core; Described forced section is positioned at overcoat fully; Put the removal hole of offering outside described keying structure comprises, the shape of said removal hole is identical with the forced section shape, and has the gap that can supply sleeve to insert between said removal hole and the forced section; The side of forced section is resisted against on the inwall of overcoat, is provided with the locking framework that can make inner core and overcoat circumferentially fixing between described inner core and the overcoat.
When anti-theft nut is in released state; Inner core and overcoat can relatively rotate, because forced section is identical with the removal hole shape, and the hand rotation overcoat; Can make the sidewall of forced section parallel with the inwall of overcoat; Form the gap that can supply sleeve to insert at this moment between the inwall of forced section and overcoat, insert the gap through sleeve and drive the inner core rotation, thereby reach the purpose of rotating nut; Equally, when needs lock nut, the hand rotation overcoat; The side of forced section is resisted against on the inwall of overcoat, and this moment, sleeve can not insert in the forced section because outer casing inner wall contacts with the forced section side; Through locking framework overcoat and inner core are circumferentially fixed, promptly reached the lock function of nut, under the situation that locking framework is not opened; The side of forced section is resisted against on the inwall of overcoat all the time, and sleeve can't insert inner core all the time.
In above-mentioned automobile burglar nut; Described locking framework comprises lock core that is arranged at interior in-core and the lock pin that cooperates with lock core; Described inner core sidewall has the lockpin hole that runs through; Described outer casing inner wall has and the corresponding draw-in groove in lockpin hole position, and described lock pin passes lockpin hole and inserts in the draw-in groove when lock core rotates.
Through gear transmission, during rotational lock core, lock pin can pass lockpin hole and insert in the draw-in groove between lock core and the lock pin, so that circumferentially fixing, same between inner core and the overcoat, during the backward rotation lock core, can make lock pin break away from draw-in groove, then can relatively rotate between inner core and the overcoat.When side that overcoat turns to forced section was resisted against on the inwall of overcoat, sleeve can't insert forced section, and circumferentially lock inner core and forced section through lock pin this moment, and then anti-theft nut is in anti-theft state; When rotational lock core makes lock pin break away from draw-in groove, can relatively rotate between inner core and the overcoat, the forced section parallel sidewalls that turns to inner core when overcoat is formed with the gap that can supply sleeve to peg graft between the two when the inwall of overcoat, and this moment, anti-theft nut was a released state.
In above-mentioned automobile burglar nut; The described inner core outside has annular groove; Described outer casing inner wall and above-mentioned annular groove corresponding part are provided with annular notch; The described inner core outside is arranged with the lock ring that is the opening ring-type in its annular groove, and described lock ring partly is positioned at annular notch.
In above-mentioned automobile burglar nut, the cross section of described forced section and removal hole all is regular hexagon, and the hexagon of described removal hole and forced section respectively inscribe be external in same basic circle.
Forced section is regular hexagon, thereby this anti-theft nut can directly replace the nut standard piece, to reach the purpose of antitheft, need not change the socket wrench specially adapted for it instrument and carry out dismounting.When the regular hexagon of the regular hexagon of removal hole and forced section respectively inscribe when being external in same basic circle; The sidewall of forced section can be parallel to the inwall that overcoat is positioned at the removal hole place; After overcoat rotates 30 degree; The side of forced section can just be resisted against on the outer casing inner wall, therefore when lock core is in released state, can rotate arbitrarily between inner core and the overcoat.
As another kind of scheme; In above-mentioned automobile burglar nut; Removably connect between described overcoat and the inner core; Put the antitheft hole of offering that cooperates with forced section outside described keying structure comprises, being provided with between described inner core and the overcoat can be with the locking framework of forced section and the axial locking of overcoat.
Overcoat and forced section removably connect, and when anti-theft nut is in released state, can overcoat be pulled down, thereby sleeve can insert forced section easily; When needing locking, overcoat is socketed in the axial position that also locks overcoat and inner core on the forced section through locking framework, sleeve can't insert forced section, and rounded because of the overcoat outside, and overcoat can't rotate, so inner core then can't rotate.
In above-mentioned automobile burglar nut, described locking framework comprises and is arranged at inner lock core of inner core and the lock pin that cooperates with lock core, and described lock pin can be along the slip of lock pin axis under the effect of lock core, and described inner core sidewall is provided with the lockpin hole that runs through; Described sleeve side wall is provided with a blind hole corresponding with the lockpin hole position, and described lock pin can pass lockpin hole and insert in the blind hole under the effect of lock core.
When lock pin passes lockpin hole and insert in the blind hole, axial restraint between inner core and the overcoat, so overcoat can't be pulled down by on sheathed and the inner core, thus the protection forced section can not be pegged graft by sleeve; After rotational lock core made lock pin break away from blind hole, overcoat can endwisely slip and break away from inner core, thereby removed anti-theft state, made things convenient for sleeve to insert.
In above-mentioned automobile burglar nut, have the lockhole that supplies key to insert on the described lock core, the end of said lock core has gear, driven gear rotates in the lockhole but insert through key, described lock pin its axially offer can with the teeth of gear engagement.After key inserts in the lockhole, but the rotation of key driven gear, and the gear driven lock pin moves axially, thereby lock pin is inserted in the above-mentioned draw-in groove or blind hole.
In above-mentioned automobile burglar nut, the cross section of described forced section is regular hexagon.The shape of existing nut and sleeve is regular hexagon, and forced section is arranged to regular hexagon, thereby this anti-theft nut is directly replaced the purpose that the nut standard piece both can reach antitheft, its highly versatile when using.
Compared with prior art; The internal thread of this automobile burglar nut and forced section all are arranged on the inner core; Overcoat plays the effect that prevents sleeve socket and forced section, reaches the purpose of antitheft with this, so nut suffered moment of torsion in rotation process all has inner core to bear; Has the structural strength height, the advantage of long service life; Its overcoat only plays the effect of locking forced section in addition, and therefore material and the performance requirement to overcoat reduces greatly, practices thrift cost; And lock core only plays the effect of locking inner core and overcoat relative position, and lock pin does not bear any moment of torsion, thereby the cost reduction, and lock core also is difficult to be destroyed simultaneously, has the strong advantage of theftproof performance.
Description of drawings
Fig. 1 is embodiment's 1 a provided by the present invention sectional structure schematic representation.
Fig. 2 is the structural representation of inner core among the embodiment 1 provided by the present invention.
Fig. 3 is the structural representation of overcoat among the embodiment 1 provided by the present invention.
Fig. 4 is the structure diagram that anti-theft nut is in anti-theft state among the embodiment 1 provided by the present invention.
Fig. 5 is the structure diagram that anti-theft nut is in released state among the embodiment 1 provided by the present invention.
Fig. 6 is embodiment's 2 a provided by the present invention sectional structure schematic representation.
The structural representation of Coupling among the embodiment 1 that Fig. 7 is among the present invention to be provided.
Among the figure, 1, inner core; 11, lockpin hole; 12, annular groove; 2, forced section; 3, overcoat; 31, draw-in groove; 32, annular notch; 4, removal hole; 5, lock pin; 6, lock core; 61, lockhole; 62, gear; 7, lock ring; 8, Coupling; 81, sleeve joint hole; 82, pulling part.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
Shown in Fig. 1～5; This automobile burglar nut comprises that an end has the inner core 1 of internal thread, and the other end of inner core 1 has the cross section and is the forced section 2 that regular hexagon is used to supply the sleeve socket; Inner core 1 outside also is arranged with overcoat 3; Shown forced section 2 integral body are positioned at overcoat 3, and overcoat 3 outer side surfaces are rounded, have shape and the forced section 2 identical and big or small removal holes 4 that are a bit larger tham forced section 2 on the overcoat 3; Inner core 1 is with overcoat 3 axial restraints and can circumferentially rotate, and also is provided with between overcoat 3 and the inner core 1 and can makes the circumferential locking framework of fixing between inner core 1 and the overcoat 3.
In the time relatively rotating between overcoat 3 and the inner core 1; Rotating jacket 3 can make the parallel sidewalls of forced section 2 be positioned at the inwall at removal hole 4 places in overcoat 3; Form the annular gap of regular hexagon this moment between forced section 2 and the removal hole 4, sleeve can insert in this gap, to reach the purpose of rotating inner core 1.When overcoat 3 turns an angle; The side of forced section 2 can be resisted against on the inwall of overcoat 3, and very close to each other between the inwall of the side of forced section 2 and overcoat 3 at this moment, sleeve can't be socketed on the forced section 2 of inner core 1; Through above-mentioned locking framework inner core 1 and overcoat 3 are circumferentially locked; Then can not relatively rotate between overcoat 3 and the inner core 1, under the situation that locking framework is not opened, the side of forced section 2 is resisted against on the inwall of overcoat 3 all the time; Sleeve can't insert inner core 1 all the time, to reach the purpose of antitheft.
Locking framework in this automobile burglar nut comprises lock core 6 that is arranged in the inner core 1 and the lock pin 5 that cooperates with lock core 6; Inner core 1 sidewall has the lockpin hole 11 that runs through; Overcoat 3 inwalls have and the corresponding draw-in groove 31 in lockpin hole 11 positions; Described lock core 6 can drive lock pin 5 when rotating and move axially, and lock pin 5 can pass lockpin hole 11 and insert in the draw-in groove 31, reaches the purpose of locking inner core 1 and overcoat 3 circumferential movement.
Have the lockhole 61 that supplies key to insert on the lock core 6, the end of lock core 6 has gear 62, and driven gears 62 rotate in the lockhole 61 but insert through key, lock pin 5 its axially offer can with the teeth of gear 62 engagements.After key inserts in the lockhole 61, but 62 rotations of key driven gear, and gear 62 drives lock pins 5 and moves axially, thereby makes lock pin 5 insert above-mentioned draw-in groove 31, so that circumferentially fixing between inner core 1 and the overcoat 3; Equally, the backward rotation key then can make lock break away from above-mentioned draw-in groove 31, makes between inner core 1 and the overcoat 3 and can relatively rotate.
Overcoat 3 sheathed with 1 last time of inner core; Both axial restraints, inner core 1 outside has annular groove 12, and overcoat 3 inwalls and above-mentioned annular groove 12 corresponding parts are provided with annular notch 32; Inner core 1 outside is arranged with the lock ring 7 that is the opening ring-type in its annular groove 12; The lock ring 7 of opening ring-type has certain elasticity, thereby inner core 1 packs into behind the overcoat 3, and lock ring 7 outwards struts and part is positioned at annular notch 32.
The cross section of removal hole 4 and forced section 2 all is regular hexagon, is assembling and the rotation that makes things convenient for overcoat 3, the hexagon of removal hole 4 and forced section 2 respectively inscribe be external in same basic circle.Thereby the sidewall of forced section 2 can be parallel to the inwall that overcoat 3 is positioned at removal hole 4 places; After overcoat 3 rotates 30 degree; Therefore the side of forced section 2 can just be resisted against on overcoat 3 inwalls, when lock core 6 is in released state, can rotates arbitrarily between inner core 1 and the overcoat 3 and does not interfere.
According to actual conditions; If the sleeve of hexagonal is operated anti-theft nut in adopting, can directly jacket casing be connected on the forced section 2, if employing is that the outer-hexagonal spanner is operated anti-theft nut; Then need be at the Coupling 8 of forced section 2 outside sockets one special use; This Coupling 8 is as shown in Figure 7, and the one of which end has the sleeve joint hole 81 that the cross section is regular hexagon, and the other end has the outer-hexagonal pulling part 82 that supplies the outer-hexagonal spanner to pull.
As shown in Figure 6; The anti-theft nut of this automobile comprises that an end has the inner core 1 of internal thread; The other end of inner core 1 has the cross section and is the forced section 2 that regular hexagon is used to supply the sleeve socket, and inner core 1 outside also is arranged with overcoat 3, and overcoat 3 outer side surfaces are rounded; Described forced section 2 is positioned at overcoat 3 fully; Offer on the overcoat 3 and the regular hexagon of forced section 2 identical sizes antitheft hole, removably connect between overcoat 3 and the inner core 1, being provided with between described inner core 1 and the overcoat 3 can be with forced section 2 and the overcoat 3 axial locking framework that lock.
When locking framework was in released state, overcoat 3 can axially be deviate from and pulls down along inner core 1, and this moment, sleeve can be socketed on the forced section 2 easily, and anti-theft nut is unclamped or tightens operation; When anti-theft nut need lock; Overcoat 3 is socketed in the axial position that locks overcoat 3 and inner core 1 on the forced section 2 and through locking framework; Then overcoat 3 can't break away from inner core 1, and sleeve can't be socketed on the forced section 2, because of overcoat 3 outsides rounded; Overcoat 3 also can't rotate, so anti-theft nut is in anti-theft state.
Above-mentioned locking framework comprises lock core 6 that is arranged in the inner core 1 and the lock pin 5 that cooperates with lock core 6; Inner core 1 sidewall has the lockpin hole 11 that runs through; Overcoat 3 inwalls have and the corresponding draw-in groove 31 in lockpin hole 11 positions; Described lock core 6 can drive lock pin 5 when rotating and move axially, and lock pin 5 can pass lockpin hole 11 and insert in the draw-in groove 31, reaches the purpose of locking inner core 1 and overcoat 3 circumferential movement.
Have the lockhole 61 that supplies key to insert on the lock core 6, the end of lock core 6 has gear 62, and driven gears 62 rotate in the lockhole 61 but insert through key, lock pin 5 its axially offer can with the teeth of gear 62 engagements.After key inserts in the lockhole 61, but 62 rotations of key driven gear, and gear 62 drives lock pins 5 and moves axially, thereby makes lock pin 5 insert above-mentioned draw-in groove 31, so that axial restraint between inner core 1 and the overcoat 3; Equally, the backward rotation key then can make lock break away from above-mentioned draw-in groove 31, but make axial motion between overcoat 3 and the inner core 1, thereby conveniently unload overcoat 3.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Claims (7)
1. automobile burglar nut; Comprise that an end has the inner core of internal thread (1); It is characterized in that; Described inner core (1) the other end has the forced section that is used to supply the sleeve socket (2) that is prism-shaped, and described inner core (1) outside is positioned at forced section (2) and locates also to be arranged with overcoat (3), and described overcoat (3) outer side surface is rounded; Also be provided with between described overcoat (3) and the inner core (1) and can and prevent that jacket casing is connected to the keying structure on the forced section (2) both lockings; Axial restraint and can circumferentially rotating between described overcoat (3) and the inner core (1), described forced section (2) is positioned at overcoat (3) fully, and described keying structure comprises the removal hole of offering on the overcoat (3) (4); The shape of said removal hole (4) is identical with forced section (2) shape; And have the gap that can supply sleeve to insert between said removal hole (4) and the forced section (2), the side of forced section (2) is resisted against on the inwall of overcoat (3), be provided with between described inner core (1) and the overcoat (3) and can make inner core (1) and the circumferentially fixing locking framework of overcoat (3); Described locking framework comprises lock core (6) that is arranged in the inner core (1) and the lock pin (5) that cooperates with lock core (6); Described inner core (1) sidewall has the lockpin hole (11) that runs through, and described overcoat (3) inwall has and the corresponding draw-in groove in lockpin hole (11) position (31), and described lock pin (5) passes lockpin hole (11) and inserts in the draw-in groove (31) when lock core (6) rotates.
2. automobile burglar nut according to claim 1; It is characterized in that; Described inner core (1) outside has annular groove (12); Described overcoat (3) inwall and above-mentioned annular groove (12) corresponding part are provided with annular notch (32), and described inner core (1) outside is arranged with the lock ring (7) that is the opening ring-type in its annular groove (12), and described lock ring (7) part is positioned at annular notch (32).
3. automobile burglar nut according to claim 1; It is characterized in that; The cross section of said forced section (2) is regular hexagon, and the cross section of described removal hole (4) is regular hexagon, and the hexagon of described removal hole (4) and forced section (2) respectively inscribe be external in same basic circle.
4. automobile burglar nut according to claim 1; It is characterized in that; Has the lockhole (61) that supplies key to insert on the described lock core (6); The end of said lock core (6) has gear (62), through key insert lockhole (61) but in driven gear (62) rotate, described lock pin (5) its axially offer can with the teeth of gear (62) engagement.
5. automobile burglar nut according to claim 1 is characterized in that, the cross section of described forced section (2) is regular hexagon.
6. automobile burglar nut; Comprise that an end has the inner core of internal thread (1); It is characterized in that described inner core (1) the other end has the forced section that is used to supply the sleeve socket (2) that is prism-shaped, described inner core (1) outside is positioned at forced section (2) and locates also to be arranged with overcoat (3); Described overcoat (3) outer side surface is rounded; Also be provided with between described overcoat (3) and the inner core (1) and can and prevent that jacket casing is connected to the keying structure on the forced section (2) with both lockings, removably connect between described overcoat (3) and the inner core (1), described keying structure comprises the antitheft hole of offering on the overcoat (3) that cooperates with forced section (2); Being provided with between described inner core (1) and the overcoat (3) can be with the locking framework of forced section (2) with the axial locking of overcoat (3); Described locking framework comprises and is arranged at inner lock core (6) of inner core (1) and the lock pin (5) that cooperates with lock core (6), and described lock pin (5) can be along the slip of lock pin (5) axis under the effect of lock core (6), and described inner core (1) sidewall is provided with the lockpin hole (11) that runs through; Described overcoat (3) sidewall be provided with one with the corresponding blind hole in lockpin hole (11) position; Described lock pin (5) can pass lockpin hole (11) and insert in the blind hole under the effect of lock core (6); It is characterized in that having the lockhole (61) that supplies key to insert on the described lock core (6), the end of said lock core (6) has gear (62); Through key insert lockhole (61) but in driven gear (62) rotate, described lock pin (5) its axially offer can with the teeth of gear (62) engagement.
7. automobile burglar nut according to claim 6 is characterized in that, the cross section of described forced section (2) is regular hexagon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102847353A CN101936323B (en) | 2010-09-17 | 2010-09-17 | Vehicle theftproof nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102847353A CN101936323B (en) | 2010-09-17 | 2010-09-17 | Vehicle theftproof nut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101936323A CN101936323A (en) | 2011-01-05 |
| CN101936323B true CN101936323B (en) | 2012-07-18 |
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ID=43389832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102847353A Active CN101936323B (en) | 2010-09-17 | 2010-09-17 | Vehicle theftproof nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101936323B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387058B (en) * | 2015-11-27 | 2017-09-22 | 国网河南登封市供电公司 | A kind of anti-theft screw cap set |
| CN107882847A (en) * | 2017-11-02 | 2018-04-06 | 中国航发哈尔滨东安发动机有限公司 | A kind of screw-threaded coupling device |
| CN109915454B (en) * | 2019-04-11 | 2023-11-28 | 北京首航科学技术开发有限公司 | Quick-release lock |
| CN110131284B (en) * | 2019-06-10 | 2023-12-05 | 浙江盛世瑞金紧固件股份有限公司 | High-strength anti-loose anti-theft bolt |
| CN110671439B (en) * | 2019-11-06 | 2021-04-30 | 泰安市泰和电力设备有限公司 | Elastic coupling for motor |
| CN112727886B (en) * | 2020-12-24 | 2022-07-01 | 浙江天元金属制品股份有限公司 | Convenient to use's self-tapping screw for woodwork |
| CN114810783A (en) * | 2022-04-12 | 2022-07-29 | 苏州中新精密工业有限公司 | Anti-falling bolt for rail transit carriage |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB310932A (en) * | 1928-05-03 | 1930-02-06 | Freyburger Ets | Anti-theft nut device |
| EP0463744A2 (en) * | 1990-06-23 | 1992-01-02 | DOM-Sicherheitstechnik GmbH & Co. KG | Anti-theft device for motor vehicle wheels |
| CN2265916Y (en) * | 1996-09-26 | 1997-10-29 | 李有光 | Theft bolt and nut for automotive tyre |
| CN2504100Y (en) * | 2001-11-19 | 2002-08-07 | 张贤大 | Automative tyre anti-theft implement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008013895A1 (en) * | 2007-05-10 | 2008-11-20 | Adl S.A.S., Lagny-Sur-Marne | Anti-theft screw part |
-
2010
- 2010-09-17 CN CN2010102847353A patent/CN101936323B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB310932A (en) * | 1928-05-03 | 1930-02-06 | Freyburger Ets | Anti-theft nut device |
| EP0463744A2 (en) * | 1990-06-23 | 1992-01-02 | DOM-Sicherheitstechnik GmbH & Co. KG | Anti-theft device for motor vehicle wheels |
| CN2265916Y (en) * | 1996-09-26 | 1997-10-29 | 李有光 | Theft bolt and nut for automotive tyre |
| CN2504100Y (en) * | 2001-11-19 | 2002-08-07 | 张贤大 | Automative tyre anti-theft implement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101936323A (en) | 2011-01-05 |
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