CN101545330B - Handle mechanism for violent-opening preventing safe box - Google Patents
Handle mechanism for violent-opening preventing safe box Download PDFInfo
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- CN101545330B CN101545330B CN2009100981410A CN200910098141A CN101545330B CN 101545330 B CN101545330 B CN 101545330B CN 2009100981410 A CN2009100981410 A CN 2009100981410A CN 200910098141 A CN200910098141 A CN 200910098141A CN 101545330 B CN101545330 B CN 101545330B
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- pivoted housing
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Abstract
The invention relates to a handle mechanism for a violent-opening preventing safe box, which comprises a handle shaft and a handle head, and is characterized in that a concave cavity is formed in the handle shaft, the side wall of the concave cavity is provided with a slotted hole, and the middle part of the inner peripheral wall of the concave cavity is provided with an inner blocking shoulder; a connecting block which can extend out or retract into the slotted hole is movably inserted in the slotted hole; a connecting block driving mechanism is arranged in the concave cavity for driving the connecting block; the handle mechanism also comprises a rotating sleeve with a cavity, the back end of the handle shaft is inserted in the cavity of the rotating sleeve in a sliding mode and can stretch and rotate relative to the rotating sleeve, and the front end side wall of the cavity of the rotating sleeve is provided with a connecting hole for inserting the connecting block; and a spring is arranged in the cavity of the rotating sleeve and keeps the handle shaft in a trend to extend out of the rotating sleeve. The handle not only can stretch relative to the rotating sleeve but also can run idle relative to the rotating sleeve, so that the safe box using the handle mechanism can prevent lawless persons from opening the safe box violently through vigorously pulling or turning the handle to further improve the security of the safe box.
Description
Technical field
The present invention relates to the handle for safe mechanism of a kind of flexible and idle running.
Background technology
The handle that uses on the products such as existing various strongboxs, safety cabinet is made up of handle head and Handle axis, and Handle axis is general directly to wear on the body with strongbox; And directly link to each other with the inner latch locking structure of door body, latch locking structure comprises again and is arranged on the bolt that a back side can horizontal relatively slippage, the slide plate that links to each other with bolt; And be arranged on the lock construction of the horizontal slippage of prevention slide plate on the door, and doorframe is provided with bolt and fastens hole or rib accordingly with a bolt or latch, and wherein the lock construction kind is a lot; Can adopt existing various structure, during locking, bolt inserts in the door bolt hole on the doorframe; Again with the locking of lock construction, to reach not by the purpose of others' unlatching with slide plate.And can being mechanical locks such as cylinder lock, lock construction also can be coded lock.When opening the door, lock construction is opened, and slide plate can free slippage, and turning handle just can be opened latch locking structure then.
This strongbox, after the lock construction that stops the slide plate slippage was destroyed, turning handle just can be opened the door body, and the lawless person also can pull handle energetically in addition, attempts the lock construction of this prevention slide plate slippage of mandatory destruction, to reach the purpose of illegal invasion.
To aforementioned present situation; Someone has invented telescopic Knob mechanisms; This mechanism can be hidden in handle head in the recess of door-plate, makes the outer face of external surface and door-plate of handle head substantially flush, guarantees that knob can and not damage by external world's collision in transportation; Also and can prevent that the lawless person from not knowing password or not having under the situation of key, turning knob causes driving mechanism and the damage of latch mechanism in the strongbox (cabinet) by force.
Like a patent No. is a kind of telescopic handle mechanism that supplies safe to use so the Chinese utility model patent " supply safe use telescopic handle mechanism " of ZL200720191731.4 (notification number is CN201125597Y) has disclosed; It includes handle; It is characterized in that the axis on the handle passes the installing hole on the bin door-plate; And between handle and door-plate, support upper spring; Axis on the handle has bayonet socket at medium position, be clasped with mobilizable clamp, and clamp is suspended on the door-plate back through pilot hole and pin fit structure; Power driving part is connected with clamp directly or indirectly, and the axis on the handle is settled upper limit spare in rear positions.
Aforementioned telescopic handle mechanism in operating process, needs with hand handle to be pressed in the door-plate, in door-plate surface lock mechanism (like clamp) door-plate is locked complex structure again through additional configuration.
Open the risk of opening the door though there is aforementioned telescopic handle to prevent the powerful turning handle head of lawless person to a certain extent again; But under the state of handle head retraction; Handle axis still with locking mechanism in the lock plectrum link to each other, promptly still have the risk of opening the door through powerful turning handle.
In sum, existing handle for safe mechanism also can do further to improve to improve the safety of strongbox.
Summary of the invention
Technical problem to be solved by this invention is the handle for safe mechanism that provides the anti-violence of a kind of flexible and idle running to open to above-mentioned prior art present situation, and this handle mechanism can prevent more effectively that the lawless person is through pull or turning handle uses the latch locking structure in the strongbox of this handle with mandatory destruction energetically.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: the handle for safe mechanism that a kind of anti-violence is opened comprises Handle axis; Handle head, this handle head is connected the front end of Handle axis; It is characterized in that: be located in the Handle axis and the cavity of front opening, have a slotted eye on the sidewall of this cavity, and the internal perisporium medium position of this cavity have an inner baffle shoulder; Be connected piece, be located in the aforementioned cavity, this linking piece activity is located in the aforementioned slotted eye and can stretches out or the aforementioned slotted eye of indentation; Be connected the piece driving mechanism, be located in the aforementioned cavity, this linking piece driving mechanism stretches out or the indentation slotted eye in order to drive the linking piece; Interior and the flexible and rotation of this pivoted housing relatively of cavity that the pivoted housing that has cavity, the rear end of aforementioned Handle axis slide and be plugged in pivoted housing has the connecting hole that supplies aforementioned linking piece insertion on the front end side wall of this pivoted housing cavity; Spring is located in the cavity of pivoted housing and is made Handle axis keep the outer pivoted housing trend of stretching out; Under the state that the aforementioned relatively pivoted housing cavity of Handle axis protracts, described linking piece stretches out slotted eye and inserts connecting hole; Under the state that in the aforementioned relatively pivoted housing cavity of Handle axis, contracts, said inner baffle shoulder is to stretching out the linking piece front limit of slotted eye.
Stable for guaranteeing the handle mechanism action, this handle mechanism also comprises one in order to prevent that Handle axis breaks away from the cavity position limiting structure fully, and this position limiting structure is located between Handle axis and the pivoted housing.
The above-mentioned position limiting structure that prevents that Handle axis breaks away from cavity fully does; On the rear end face of Handle axis, has the axis of guide that extends back; Simultaneously, described axis of guide activity passes the rear end face of pivoted housing, and in the rear positions of the axis of guide locating part of a pair of axis of guide front limit is installed.This position limiting structure has advantage simple in structure, easy to assembly; Certainly this position limiting structure also can adopt other frame mode; As directly carry out spacing to Handle axis through spring; The end and the cavity rear end face that are about to spring are fixed, and the rear end face of the other end and Handle axis is fixed, and also can be to be provided with one and the annular retaining portion of the inner baffle shoulder front limit of cavity inside at the handle the tip of the axis.
Break away from the position limiting structure employing said structure of cavity fully if prevent Handle axis; So; The above-mentioned Handle axis that makes keeps the outer spring housing that stretches out pivoted housing trend to be located on the axis of guide that is positioned at pivoted housing; This spring one end is resisted against on the rear end face of Handle axis, and the other end is resisted against on the rear end face of said cavity.The axis of guide has installing and locating effect, mounting spring easily to spring.
Above-mentioned locating part is the gear nut that is threaded in axis of guide rear end, and this gear nut cooperates with the preceding gear of pivoted housing rear end face.Above-mentioned locating part also can be a back-up ring.
The fast driving mechanism of above-mentioned linking comprises the lock core of being with keyhole; This lock core is loaded in the cavity of Handle axis; And between lock core and the Handle axis through the decision lock core relatively the cavity of Handle axis rotate billiards structure and link to each other, an end of lock core be connected the eccentric cooperation of piece and contact with driving linking piece and stretch out or the indentation slotted eye.What this was connected fast driving mechanism employing is tumbler lock mechanism, and wherein Handle axis is equivalent to lock tube, is connected fast driving mechanism certainly and also can adopts existing other Drive Structure.
Above-mentioned off-centre cooperates contact to do; In the middle part of being connected piece, has the U-shaped breach; Described lock core inner end is the eccentric pushing part that contacts with this breach inwall, is supported with between the inwall under described linking piece lower surface and the adapter sleeve to make to be connected piece and to have the spring that stretches out said slotted eye all the time and get into connecting hole trend on the pivoted housing.
It is connected the structure that piece moves radially for a kind of lock core drives, through the promotion of eccentric pushing part, the elastic force that the linking piece overcomes spring moved down when lock core rotated; The linking piece is not linked to each other with connecting hole, otherwise, the lock core backward rotation; Through the effect of eccentric pushing part; The near point portion of pushing part contact with being connected the piece inwall, is connected piece and under spring action, directly upwards moves, and links to each other with connecting hole on the movable axis.
The inner side face of above-mentioned pivoted housing is formed with the end difference of an annular, and the external screw thread that supplies stop nut to connect is attacked in this end difference outer end.General handle all links to each other with the plectrum of latch locking structure, and plectrum is driving member, links to each other with plectrum and this structure is suitable, and plectrum is set on this end difference, and is simultaneously, radially spacing to plectrum at the external thread part of the adapter sleeve nut that is threaded.
Compared with prior art; The invention has the advantages that: the flexible and rotation of this pivoted housing relatively of the Handle axis in this handle mechanism; Under the state that the relative pivoted housing cavity of Handle axis protracts; Be connected piece and stretch out slotted eye and insert connecting hole, know that at this moment handle head could finally drive pivoted housing and connect the driving member rotation action on it; Under the state that in the said relatively cavity of Handle axis, contracts, inner baffle shoulder is to stretching out the linking piece front limit of slotted eye, and the connecting hole that is connected on piece and the pivoted housing breaks away from, and handle head and Handle axis be pivoted housing idle running relatively then, and pivoted housing can not drive the driving member action; In sum, not only pivoted housing is flexible relatively for this handle, and pivoted housing dallies relatively, use the strongbox of this handle mechanism can prevent the lawless person through pull energetically or turning handle with violence opening safety case, further strengthen its safety.
Description of drawings
Fig. 1 is the structure sectional view (the overhanging state of Handle axis) of the embodiment of the invention;
Fig. 2 is the structure sectional view (Handle axis mobile status) of the embodiment of the invention;
Fig. 3 is the STRUCTURE DECOMPOSITION figure (Handle axis recessed shape attitude) of the embodiment of the invention;
Fig. 4 is the user mode reference diagram of the embodiment of the invention on strongbox.
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～3, be a preferred embodiment of the present invention.
The handle for safe mechanism that a kind of anti-violence is opened includes Handle axis 1, is connected the handle head 2 of Handle axis 1 front end; Handle head 2 in the present embodiment is a rotating disk, can certainly be L shaped handle, and handle head 2 can be an integral piece with Handle axis 1; It also can be the split part; Handle head 2 is the split part with Handle axis 1 in the present embodiment, and Handle axis 1 wears and is fixed on the handle head 2, and the front end face of the front end face of Handle axis 1 and handle head 2 is substantially flush.
This handle mechanism also comprises in order to be connected and to have the pivoted housing 3 of cavity 31 with driving member 10; Wherein driving member 10 can be plectrum or the toothed disc in the locking mechanism of traditional insurance case; That is to say this handle mechanism use with strongbox on the time; As long as pivoted housing 3 rotates, just can drive next door or toothed disc deflection, finally drive the locking mechanism action to open the chamber door of strongbox.
Pivoted housing 3 inner side faces are formed with the end difference 34 of an annular; The external screw thread 35 that supplies stop nut 13 to connect is attacked in these end difference 34 outer ends; When driving member 10 is plectrum; Plectrum is set on this end difference 34, and simultaneously, it is radially spacing to connect 13 pairs of driving members 10 of a stop nut at external thread part screw thread 35 places of pivoted housing 3.
Prevent that the position limiting structure that Handle axis 1 breaks away from the cavity 31 of pivoted housing fully from doing; On the rear end face of Handle axis 1, has the axis of guide 6 that extends back; Simultaneously, the described axis of guide 6 activities pass the rear end face of pivoted housing 3, and in the rear positions of the axis of guide 6 locating part of a pair of axis of guide 6 front limit are installed; Locating part is the gear nut 7 that is threaded in the axis of guide 6 rear ends, and this gear nut 7 cooperates with the preceding gear of pivoted housing 3 rear end faces; And make Handle axis 1 keep the outer spring 4 that stretches out pivoted housing 3 trend to be set on the axis of guide 6 that is positioned at pivoted housing 4, and these spring 4 one ends are resisted against on the rear end face of Handle axis 1, and the other end is resisted against on the rear end face of said cavity 31.
The cavity 11 that has front opening in the Handle axis 1; Be provided with one in this cavity 11 and be connected piece 5; Have on the sidewall of said cavity 11 and be connected piece 5 corresponding slotted eyes 12; Be connected piece 5 activities and be located in the said slotted eye 12 and can stretch out or indentation slotted eye 12, be provided with in the cavity 11 in order to drive and be connected that piece 5 stretches out or the fast driving mechanism of linking of indentation slotted eye 12; Be connected fast driving mechanism and comprise the lock core 8 of being with keyhole 83, this lock core 8 is loaded in the cavity 11 of Handle axis, and links to each other through billiards structure 81 between lock core 8 and the Handle axis 1; Billiards structure 81 specifically can be with reference to existing tumbler lock mechanism; Handle axis 1 is equivalent to the lock shell of cylinder lock, operating principle too, when key 15 inserts; The datum of each pellet shot from a slingshot flushes with lock core 8 and cavity 11 inwall mating faces, and key just can drive lock core and rotate.
One end of lock core 8 contacts to drive linking piece 5 with the 5 eccentric cooperations of linking piece and stretches out or indentation slotted eye 12; Eccentric cooperation contact does; Has U-shaped breach 51 at linking piece 5 middle parts; Described lock core 8 inner ends are the eccentric pushing part 82 that contacts with these breach 51 inwalls, are supported with between the 3 times inwalls in described linking piece 5 lower surfaces and adapter sleeve to make to be connected piece 5 and to have the spring 9 that stretches out said slotted eye 12 all the time and get into connecting hole 32 trend on the pivoted housing 3.
Have the connecting hole 32 that supplies said linking piece 5 to insert on the front end side wall of cavity 31, under the state that the said relatively cavity 31 of Handle axis 1 protracts, be connected piece 5 and under lock core 8 promotes, stretch out slotted eye and insert connecting hole 32; Have inner baffle shoulder 33 in the cavity 31, under the state that in the said relatively cavity 31 of Handle axis 1, contracts, 33 pairs of linking piece 5 front limit of under lock core 8 promotes, stretching out slotted eye 12 of inner baffle shoulder.
As shown in Figure 4; During use this handle mechanism is installed on the safe door; Mainly be that pivoted housing 3 is rotatable spacing at security door 14 back sides, the same with existing telescopic handle, we also have one and supply the ccontaining cavity 141 in it of handle head 2 on the front end face of security door 14.
During locking, key 15 is inserted in the lock core 8 rotational lock core 8; Through the promotion of eccentric pushing part 82, the far point portion of eccentric pushing part 82 contacted with the 51 times inwalls of chamber that are connected piece 5 when lock core 8 rotated, and the elastic force that linking piece 5 overcomes spring 9 moves down; Make in the slotted eye 12 that is connected on piece 5 indentation Handle axis 1 sidewall, be connected piece 5 and do not link to each other, then driving handle head 2 backward with connecting hole 32; Handle axis 1 is moved after overcoming the cavity 31 of spring 4 relative pivoted housings, and in handle head 2 was hidden in the cavity 141 on the security door 14, the direction key 15 again; Through the promotion of eccentric pushing part 82,51 times inwalls of the far point portion of eccentric pushing part 82 and the chamber that is connected piece 5 are away from separating, and under the effect of spring 9; Make to be connected piece 5 slotted eye 12 on arbor 1 sidewall that reaches, extract key, be connected piece 5 this moment by inner baffle shoulder 33 front limit in the cavity 31; Be about to Handle axis 1 and handle head 2 relative security door 14 lockings, handle head 2 can only be hidden in the cavity 141 of security door 14 front end faces, owing to be connected the restriction that piece 5 breaks away from connecting hole 32; At this moment Handle axis 1 pivoted housing 3 idle running relatively also promptly not only is hidden in handle head 2 in the cavity 141, and Handle axis 1 can only dally and can not drive the driving member action; Make the lawless person make nowhere effectively, effectively prevent the lawless person through pull energetically or turning handle with violence opening safety case, further strengthen its safety.
During release, key 15 is inserted in the lock core 8 rotational lock core 8; Through the promotion of eccentric pushing part 82, the far point portion of eccentric pushing part 82 contacted with the 51 times inwalls of chamber that are connected piece 5 when lock core 8 rotated, and the elastic force that linking piece 5 overcomes spring 9 moves down; Make in the slotted eye 12 that is connected on piece 5 indentation Handle axis 1 sidewall, being connected piece 5 can not be by inner baffle shoulder 33 front limit in the cavity 31, and Handle axis 1 is under the elastic force effect of spring 4; Handle axis 1 is overhanging to go out cavity 31, makes handle head 2 also stretch out cavity 141, until under gear nut 7 and pivoted housing 3 rear end face gear effects; The no longer outer cavity 31 that stretches out pivoted housing of Handle axis 1 is followed the backward rotation key, lock core 8 backward rotation certain angles; 51 times inwalls of far point portion and the chamber that is connected piece 5 of eccentric pushing part 82 are away from separating, and the turning handle head 2 then, when the slotted eye on the Handle axis 3 12 with after connecting hole 32 aligns; Be connected that piece 5 is outer under the effect of spring runway to stretch out slotted eye 12 and in the insertion connecting hole 32, even must Handle axis 1 combine with pivoted housing 3, turning handle head 2 more at this moment; Handle axis 1 just can drive pivoted housing 3 and on driving member 10 rotate, finally drive the locking mechanism action at the security door back side, realize opening the door.
Claims (8)
1. the handle for safe mechanism that anti-violence is opened comprises
Handle axis (1);
Handle head (2), this handle head (2) is connected the front end of Handle axis (1);
It is characterized in that:
Be located in the Handle axis (1) and the cavity (11) of front opening, have a slotted eye (12) on the sidewall of this cavity (11);
Be connected piece (5), be located in the aforementioned cavity (11), this linking piece (5) activity is located in the aforementioned slotted eye (12) and can stretches out or the aforementioned slotted eye of indentation (12);
Be connected the piece driving mechanism, be located in the aforementioned cavity (11), this linking piece driving mechanism stretches out or indentation slotted eye (12) in order to drive linking piece (5);
The pivoted housing (3) that has cavity (31); Interior and the flexible and rotation of sliding and be plugged in pivoted housing in the rear end of aforementioned Handle axis (1) of this pivoted housing (3) relatively of cavity (31); Have the connecting hole (32) that supplies aforementioned linking piece (5) to insert on the front end side wall of this pivoted housing cavity (31), and the internal perisporium medium position of this cavity (31) has an inner baffle shoulder (33);
Spring (4) is located in the cavity (31) of pivoted housing and is made Handle axis (1) keep the outer pivoted housing trend of stretching out;
Under the state that the aforementioned relatively pivoted housing cavity of Handle axis (1) (31) protracts, described linking piece (5) stretches out slotted eye (12) and inserts connecting hole (32); Under the state that in the aforementioned relatively pivoted housing cavity of Handle axis (1) (31), contracts; Said inner baffle shoulder (33) is to stretching out linking piece (5) front limit of slotted eye (12); The connecting hole (32) that is connected on piece (5) and the pivoted housing breaks away from; Handle head (2) and Handle axis (1) be pivoted housing (3) idle running relatively then, and pivoted housing (3) can not drive the driving member action.
2. handle mechanism according to claim 1 is characterized in that: this handle mechanism comprises also that in order to the position limiting structure that prevents that Handle axis (1) breaks away from cavity (31) fully this position limiting structure is located between Handle axis (1) and the pivoted housing (3).
3. handle mechanism according to claim 2; It is characterized in that: the described position limiting structure that prevents that Handle axis (1) breaks away from cavity (31) fully does; On the rear end face of Handle axis (1), has the axis of guide (6) that extends back; Simultaneously, the described axis of guide (6) activity passes the rear end face of pivoted housing (3), and in the rear positions of the axis of guide (6) locating part to the axis of guide (6) front limit is installed.
4. handle mechanism according to claim 3; It is characterized in that: the described Handle axis (1) that makes keeps the outer spring (4) that stretches out pivoted housing (3) trend to be set on the axis of guide (6) that is positioned at pivoted housing (3); These spring (4) one ends are resisted against on the rear end face of Handle axis (1), and the other end is resisted against on the rear end face of said cavity (31).
5. handle mechanism according to claim 3 is characterized in that: described locating part is for being threaded in the gear nut (7) of the axis of guide (6) rear end, and this gear nut (7) cooperates with the preceding gear of pivoted housing (3) rear end face.
6. according to the described handle mechanism of arbitrary claim in the claim 1～5; It is characterized in that: described linking piece driving mechanism comprises the lock core (8) of band keyhole (83); This lock core (8) is loaded in the cavity (11) of Handle axis; And between lock core (8) and the Handle axis (1) through decision lock core (8) relatively the billiards structure (81) that rotates of the cavity of Handle axis (11) link to each other, an end of lock core (8) be connected the eccentric cooperation of piece (5) and contact with driving linking piece (5) and stretch out or indentation slotted eye (12).
7. handle mechanism according to claim 6; It is characterized in that: described eccentric cooperation contact does; In the middle part of being connected piece (5), has U-shaped breach (51); Described lock core (8) inner end is the eccentric pushing part (82) that contacts with this breach (51) inwall, and described linking piece (5) lower surface and pivoted housing (3) are supported with between the inwall down to make and are connected piece (5) and have the spring (9) that stretches out said slotted eye (12) all the time and get into connecting hole (32) trend on the pivoted housing (3).
8. handle mechanism according to claim 1 is characterized in that: the inner side face of said pivoted housing (3) is formed with the end difference (34) of an annular, and the external screw thread that confession stop nut (13) connects is attacked in this end difference (34) outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100981410A CN101545330B (en) | 2009-04-30 | 2009-04-30 | Handle mechanism for violent-opening preventing safe box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100981410A CN101545330B (en) | 2009-04-30 | 2009-04-30 | Handle mechanism for violent-opening preventing safe box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101545330A CN101545330A (en) | 2009-09-30 |
| CN101545330B true CN101545330B (en) | 2012-07-18 |
Family
ID=41192681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100981410A Expired - Fee Related CN101545330B (en) | 2009-04-30 | 2009-04-30 | Handle mechanism for violent-opening preventing safe box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101545330B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101832085B (en) * | 2010-03-26 | 2013-09-04 | 广东安能保险柜制造有限公司 | Novel telescopic handle mechanism for safe |
| CN101949249B (en) * | 2010-09-02 | 2011-12-28 | 陈军彪 | Retractable spring invisible handle |
| CN106245993A (en) * | 2016-08-23 | 2016-12-21 | 柳州市国正机电物资有限责任公司 | Door handle |
| CN107355133B (en) * | 2017-07-27 | 2022-08-12 | 深圳家卫士科技有限公司 | Adjustable intelligent lock can idle |
| CN109339630A (en) * | 2018-12-03 | 2019-02-15 | 宁波盛威卓越安全设备有限公司 | The safe joint control safe panel of separated electronic |
| CN110344674A (en) * | 2019-04-22 | 2019-10-18 | 珠海优特电力科技股份有限公司 | Lockset |
| CN111608478B (en) * | 2020-04-29 | 2023-07-25 | 王力安防科技股份有限公司 | Outer handle connection structure and intelligent lock head assembly |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212259U (en) * | 1987-08-23 | 1988-10-05 | 吴玉琢 | Wreath-proof and pinch-proof secret code lock |
| CN100350125C (en) * | 2005-08-26 | 2007-11-21 | 曹君 | Door bolt mechanism for strongbox |
| CN201158968Y (en) * | 2008-01-30 | 2008-12-03 | 宁波永发集团有限公司 | Safe handle apparatus for preventing forced unlocking |
| CN201391119Y (en) * | 2009-04-30 | 2010-01-27 | 宁波泰佳安全设备有限公司 | Handle mechanism for preventing forced rotation |
-
2009
- 2009-04-30 CN CN2009100981410A patent/CN101545330B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87212259U (en) * | 1987-08-23 | 1988-10-05 | 吴玉琢 | Wreath-proof and pinch-proof secret code lock |
| CN100350125C (en) * | 2005-08-26 | 2007-11-21 | 曹君 | Door bolt mechanism for strongbox |
| CN201158968Y (en) * | 2008-01-30 | 2008-12-03 | 宁波永发集团有限公司 | Safe handle apparatus for preventing forced unlocking |
| CN201391119Y (en) * | 2009-04-30 | 2010-01-27 | 宁波泰佳安全设备有限公司 | Handle mechanism for preventing forced rotation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101545330A (en) | 2009-09-30 |
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