CN202788523U - Anti-theft door - Google Patents

Anti-theft door Download PDF

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Publication number
CN202788523U
CN202788523U CN 201220399107 CN201220399107U CN202788523U CN 202788523 U CN202788523 U CN 202788523U CN 201220399107 CN201220399107 CN 201220399107 CN 201220399107 U CN201220399107 U CN 201220399107U CN 202788523 U CN202788523 U CN 202788523U
Authority
CN
China
Prior art keywords
connecting rod
axle
links
cipher wheel
locking pin
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
CN 201220399107
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Chinese (zh)
Inventor
韦星光
张永鹏
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 CN 201220399107 priority Critical patent/CN202788523U/en
Application granted granted Critical
Publication of CN202788523U publication Critical patent/CN202788523U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an anti-theft door, and the anti-theft door comprises a door, a locking pin and a two-sided adjustable mechanical cipher device, wherein the two-sided adjustable mechanical cipher device comprises a shell body, a shaft, an outer password wheel, a password setting switch, an anti-back baffle, a back meshing switch and a resetting switch. A shell of the two-sided adjustable mechanical cipher device is arranged on the door. The shaft is connected with a driving connecting rod through an end socket. The locking pin is arranged on one end of the driving connecting rod, wherein the end of the driving connecting rod closes to a door frame. By the adoption of the structure, the shaft can control the locking pin to insert into a locking hole or exit the locking hole. By utilization of the two-sided adjustable mechanical cipher device, possibility of technical unlocking is completely avoided, and safety performance is greatly improved. Meanwhile, passwords can be set on two sides of the anti-theft door by utilization of the two-sided adjustable mechanical cipher device. Further, compared with the prior art, the anti-theft door which is provided with a two-sided adjustable mechanical cipher device has low cost.

Description

A kind of security door
Technical field
The utility model belongs to the daily necessities field, is specifically related to a kind of security door.
Background technology
Security door is widely used in people's the life and production, the mode that the security door of present stage is taked mainly is by the thickening security door, selects the harder modes such as material to strengthen the intensity of security door, to prevent that the lawless person from destroying by force, simultaneously, security door closes as the door switch that just is bound to out, and the transformation of opening and closing state just be unable to do without lock, can say that material and thickness at security door all meet the requirements of in the situation, the lock Security of the system has determined directly whether security door can realize anti-theft feature.
The security door of present stage is mainly taked the motion of lock control locking pin, when the locking hole on the object of locking pin insertion doorframe or installation door, realizes the locking of security door, when locking pin leaves the locking hole under the drive of lock and connecting rod, and the security door unlatching.The simplest security door only is designed with the locking lock one, can be realized locking and the unlatching of security door by the direct drive of lock.The security performance of the security door of one locking pin is relatively poor, just can make the antitheft function of security door forfeiture as long as the offender has destroyed one connecting pin.Be to improve the problems referred to above, people have also designed twice, three roads, four roads even multiple tracks locking pin, and these locking pins form the lock system with lock and are installed on the security door, and its main principle is at the connecting rod of having installed with phase-locked company.Lock can be with being automatically connected in the connecting rod motion of locking, and locking pin has been installed also on connecting rod, but the direction of motion of two locking pins is opposite, then with the connecting rod of phase-locked company as the active connecting rod, one end directly links to each other with locking pin, the other end links to each other with transfer, transfer links to each other with driven connecting rod, initiatively connecting rod is just opposite with the direction of motion of driven connecting rod by transfer, when then can directly realize two locking pins but the different motion of direction, thereby make locking pin can insert simultaneously or leave the locking hole; Foregoing transfer can be to adopt the simplest linkage, namely be designed with a steering connector bar, a bit being installed on the security door in the steering connector bar, but steering connector bar can rotate with respect to the fixed point on the security door, one end links to each other with the active connecting rod, the other end links to each other with driven connecting rod, thereby then can realize the initiatively different opening and closings that realize security door of the direction of motion of connecting rod and driven connecting rod; Described transfer can also be gear train, namely initiatively connecting rod drives the driving wheel rotation that is installed on the security door, driving wheel drives driven pulley by gear teeth and rotates, thereby driven pulley can drive the driven connecting rod motion that is installed on it, thus motion when realizing two locking pins; Transfer can also be to have each other angle, be fixedly connected with but isogonal two connecting rods.Above only have a steering connector bar time, can only realize the rightabout motion of active connecting rod and driven connecting rod, but when gear train connects as transfer and two steering connector bar fixed angles, then can realize angled simultaneously motion between driving lever and the follower lever.Now on the market modal security door have four locking pins namely the pin of up and down four direction motion close pin.Wherein laterally initiatively connecting rod and phase-locked company, by its motion of lock control, laterally initiatively connecting rod drives respectively horizontal driven connecting rod motion by transfer, comprises the motion of vertical up/down connecting rod and horizontal driven connecting rod, thereby drives the motion of four locking pins.
More various technology has also appearred in the encryption apparatus that relevant lockset has switching function in other words. wherein, the mode that the lock majority of directly being opened by key is cooperated with axle by lock core marble realizes the locking of lockset and the function of unlatching, the volume restrictions of lockhole is most to be grain of rice size because the volume of the lock core marble of lockset is subjected to, the lock core marble of strong destruction grain of rice size is easy to, so the safety of this class lockset is relatively poor.The password of the encryption apparatus of equipping on present domestic most safety cabinets can only be arranged in process of production by the manufacturer of safety cabinet, password is immutable. and producer is to there being the links such as production, transportation, sale between the user, the link of institute's warp is more, just easier causing divulged a secret, thereby do not reach the due security requirement of coded lock.Existing lockset or encryption apparatus all exist, and but skilled unlocking, password are revealed easily, the easier problem of shakedown.
The applicant has also submitted to a kind of patent application of two-sided adjustable mechanical cipher device (both to apply for invention in early stage, applied for simultaneously utility model), application number is 201210271799.9 and 201220379225.9, main technical schemes wherein is: a kind of mechanical cipher device, comprise that housing, axle, outer cipher wheel, password arrange switch, anti-back baffle plate, move back engage switch, reset switch, it is characterized in that: this device also comprises interior cipher wheel, described axle has linear groove vertically, has annular groove at the annulate shaft body; The side outside of outer cipher wheel is processed with cipher mark, has vertically the through hole of truncated conical shape in the outer cipher wheel, and this round table-like through hole is coaxial with outer cipher wheel, is processed with gear teeth along the round platform generatrix direction in the round platform through hole; Interior cipher wheel is sleeve-shaped, and the termination external surface of one end is processed as truncated conical shape, and being processed with gear teeth along the generatrix direction of round platform can be meshed with the gear teeth of outer cipher wheel, and the inwall of sleeve is provided with projection; Inside and outside cipher wheel can arrange many groups according to the safety needs; Outer cipher wheel is limited in the housing with holes, and cipher mark shows by the hole of housing; Interior cipher wheel be sleeved on successively on the axle and the socket end direction of interior cipher wheel identical; The projection of interior cipher wheel can slide at the linear groove of axle, when the projection of interior cipher wheel all is positioned at the annular groove of axle, and the engagement of the gear teeth of inside and outside cipher wheel; Moving back engage switch links to each other with the sleeve of the interior cipher wheel of the most close axle A end; The anti-back baffle plate is positioned at axle B end, switch is set links to each other with the password on being installed in housing, the anti-back baffle plate is against the termination of the interior cipher wheel gear end of the most close B end when putting down, the projection wheel that prevents interior password moves along the linear groove of axle and causes the gear of inside and outside cipher wheel to withdraw from engagement; Reset switch is installed on the housing corresponding with axle B end, and the gear end that reset switch can promote interior cipher wheel makes it to mesh with the gear of outer cipher wheel.
The utility model content
For solving the problems of the technologies described above, it is a kind of simple in structure that the utility model provides, and can realize the two-sided adjustable mechanical cipher device of password.
A kind of security door, comprise a body, locking pin, two-sided adjustable mechanical cipher device, described two-sided adjustable mechanical cipher device comprises that housing, axle, outer cipher wheel, password arrange switch, anti-back baffle plate, move back engage switch, reset switch, also comprise interior cipher wheel, described axle has linear groove vertically, has annular groove at the annulate shaft body; The side outside of outer cipher wheel is processed with cipher mark, has vertically the through hole of truncated conical shape in the outer cipher wheel, and this round table-like through hole is coaxial with outer cipher wheel, is processed with gear teeth along the round platform generatrix direction in the round platform through hole; Interior cipher wheel is sleeve-shaped, and the termination external surface of one end is processed as truncated conical shape, and being processed with gear teeth along the generatrix direction of round platform can be meshed with the gear teeth of outer cipher wheel, and the inwall of sleeve is provided with projection; Inside and outside cipher wheel can arrange many groups according to the safety needs; Outer cipher wheel is limited in the housing with holes, and cipher mark shows by the hole of housing; Interior cipher wheel be sleeved on successively on the axle and the socket end direction of interior cipher wheel identical; The projection of interior cipher wheel can slide at the linear groove of axle, when the projection of interior cipher wheel all is positioned at the annular groove of axle, and the engagement of the gear teeth of inside and outside cipher wheel; Moving back engage switch links to each other with the sleeve of the interior cipher wheel of the most close axle A end; The anti-back baffle plate is positioned at axle B end, switch is set links to each other with the password on being installed in housing, the anti-back baffle plate is against the termination of the interior cipher wheel gear end of the most close B end when putting down, the projection wheel that prevents interior password moves along the linear groove of axle and causes the gear of inside and outside cipher wheel to withdraw from engagement; Reset switch is installed on the housing corresponding with axle B end, the gear end that reset switch can promote interior cipher wheel makes it to mesh with the gear of outer cipher wheel, it is characterized in that, the housing of two-sided adjustable mechanical cipher device is fixedly mounted on the body, axle links to each other with the active connecting rod by the termination, locking pin is installed in an initiatively end on the nearly door limit of connecting rod, realizes the insertion of axle control locking pin or withdraws from the locking hole; When the mechanical cipher device all was in the proper password device, the pin motion was closed in the untie-sell of pulling axle band, makes locking pin insert or withdraw from the locking hole.
Security door in the utility model has utilized two-sided adjustable mechanical formula encryption apparatus, thoroughly stopped the possibility of skilled unlocking, used axle in the two-sided adjustable mechanical formula encryption apparatus simultaneously, the intensity of axle is better, greatly reduce the possibility of strong destruction door lock, security performance significantly improves, and the two sides that has utilized simultaneously two-sided adjustable mechanical formula encryption apparatus to can be implemented in security door all can arrange password.And it is low that the security door of having used two-sided adjustable mechanical formula encryption apparatus and existing security door are compared cost.
Description of drawings
Fig. 1. the structural representation of the security door of two-sided adjustable mechanical cipher device has been installed;
Among the figure: 1. 6. times locking pins of two-way adjustable cipher device 2. control connection bars 3. door locks, 4. active connecting rod 5. vertical lower connecting rods, 7. left locking pin 8. horizontal driven connecting rod 9. turning points 10. turn to locking pin on the cavity 11. vertical upper connecting rods 12..
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
A kind of security door, comprise a body, locking pin, two-sided adjustable mechanical cipher device 1, active connecting rod 4, described two-sided adjustable mechanical cipher device 1 comprises that housing, axle, outer cipher wheel, password arrange switch, anti-back baffle plate, move back engage switch, reset switch, interior cipher wheel, described axle has linear groove vertically, has annular groove at the annulate shaft body; The side outside of outer cipher wheel is processed with cipher mark, has vertically the through hole of truncated conical shape in the outer cipher wheel, and this round table-like through hole is coaxial with outer cipher wheel, is processed with gear teeth along the round platform generatrix direction in the round platform through hole; Interior cipher wheel is sleeve-shaped, and the termination external surface of one end is processed as truncated conical shape, and being processed with gear teeth along the generatrix direction of round platform can be meshed with the gear teeth of outer cipher wheel, and the inwall of sleeve is provided with projection; Inside and outside cipher wheel can arrange many groups according to the safety needs; Outer cipher wheel is limited in the housing with holes, and cipher mark shows by the hole of housing; Interior cipher wheel be sleeved on successively on the axle and the socket end direction of interior cipher wheel identical; The projection of interior cipher wheel can slide at the linear groove of axle, when the projection of interior cipher wheel all is positioned at the annular groove of axle, and the engagement of the gear teeth of inside and outside cipher wheel; Moving back engage switch links to each other with the sleeve of the interior cipher wheel of the most close axle A end; The anti-back baffle plate is positioned at axle B end, switch is set links to each other with the password on being installed in housing, the anti-back baffle plate is against the termination of the interior cipher wheel gear end of the most close B end when putting down, the projection that prevents interior password moves along the linear groove of axle and causes the gear of inside and outside cipher wheel to withdraw from engagement; Reset switch is installed on the housing corresponding with axle B end, the gear end that reset switch can promote interior cipher wheel makes it to mesh with the gear of outer cipher wheel, it is characterized in that, the housing of two-sided adjustable mechanical cipher device 1 is fixedly mounted on the body, axle links to each other with active connecting rod 4 by the termination, locking pin is installed in an initiatively end on the nearly door limit of connecting rod, realizes the insertion of axle control locking pin or withdraws from the locking hole; When the mechanical cipher device all was in the proper password device, the pin motion was closed in the untie-sell of pulling axle band, makes locking pin insert or withdraw from the locking hole.
As the security door prior art, also comprising transfer, transfer links to each other with an end on limit, active connecting rod far away from home, and transfer drives other driven connecting rod and realizes that many locking pins insert or withdraw from the locking hole simultaneously.At this moment
Axle above by the concrete structure of termination control locking pin can be: a utility model initiatively end of connecting rod 4 links to each other with locking pin, and the other end directly links to each other with the termination of axle.At this moment, the axle motion drives initiatively connecting rod 4 motions, inserts or withdraw from the locking hole thereby drive locking pin.Initiatively connecting rod drives the motion of other connecting rod by transfer, thereby the axle of realizing two-sided adjustable mechanical cipher device is controlled all locking pins by the termination of axle.
The concrete structure of termination control locking pin can also be: be processed with screw thread on the described active connecting rod 4, the end of the axle of two-sided adjustable mechanical cipher device 1 also is processed with screw thread, initiatively the threaded engagement of the end of the axle of the screw thread on the connecting rod 4 and two-sided adjustable mechanical cipher device 1.When two-sided adjustable mechanical cipher device password all is in correct status, during the axle motion, the screw thread of engagement drives initiatively connecting rod motion.
The concrete structure of termination control locking pin can also be: the utility model also comprises the control connection bar, initiatively an end of connecting rod 4 links to each other with the transfer of security door, a bit being fixed on the body on the described control connection bar 2, the termination of the axle of one end and two-sided adjustable mechanical encryption apparatus 1 is flexibly connected, the other end and initiatively connecting rod flexible connection.When axle moved, an end of the control connection bar that is attached thereto moved with axle, and an end of control connection bar moves round about, drove transfer, thereby the connecting rod that then links to each other with transfer motion makes the closed or unlatching of locking pin.
The concrete structure of termination control locking pin can also be: also comprise control connection bar 2, also be designed with fixed point on the housing of described two-sided adjustable mechanical code device 1, a bit being fixed on this fixed point on the control connection bar 2, but can rotate with respect to this fixed point, the termination of one end of control connection bar 2 and the axle of two-sided adjustable mechanical encryption apparatus 1 is flexibly connected, the other end and initiatively connecting rod 4 flexible connections.
For the safety that makes security door higher, the utility model can also comprise a door lock 3, and door lock 3 is installed on the body, and an end links to each other with locking pin, the other end links to each other with active connecting rod 4, and the termination that two-sided adjustable mechanical cipher device 1 passes through axle links to each other with the active connecting rod.When all passwords all were in correct status, the key of door lock can unlatching burglar-proof door, otherwise security door is locked, and the key of pin tool also can't unlatching burglar-proof door.The security doors of a door lock of many designs can be realized the function of dual fail-safe, if door lock, password have one incorrect, then security door can not be opened.
As prior art part of the present invention, described security door also comprises initiatively connecting rod 4, vertical lower connecting rod 5, lower locking pin 6, left locking pin 7, horizontal driven connecting rod 8, turning point 9, turns to cavity 10, vertical upper connecting rod 11, upper pin to close pin 12, the turn-around chamber body is positioned at the center of security door, transfer is installed in turning point 9 places that turn to cavity 10, and four end points of transfer link to each other with active connecting rod 4, horizontal driven connecting rod, vertical upper connecting rod 11, vertical lower connecting rod 5 respectively; Initiatively the other end of connecting rod 4 links to each other with door lock; The other end of horizontal driven connecting rod 8 links to each other with left locking pin 7, and vertical upper connecting rod 11 closes pin 12 with upper pin and links to each other; Vertical lower connecting rod 5 links to each other with lower locking pin; Transfer makes horizontal driven connecting rod 8 drive left locking pin 7, vertical upper connecting rod 11 and drives that upper pin closes pin 12, vertical lower connecting rod 5 drives lower locking pin 6 and inserts simultaneously or the release lock closed pore under the effect of active connecting rod 4.
Described transfer can be selected the mode of driving wheel and driven pulley, also can select two turning-bars to be fixedly connected with and to have the mode of constant angle.
The upper and lower, left and right that preamble is write, the orientation such as horizontal, vertical are simplified narration, are helped to understand just for the mode of occupation according to common security door, laterally, interchangeable between vertical.
Protection domain of the present utility model is not limited only to the technical scheme that specific embodiment part is recorded and narrated, and all security doors that two-sided adjustable mechanical code device has been installed all fall into protection scope of the present invention.

Claims (8)

1. security door, comprise a body, locking pin, two-sided adjustable mechanical cipher device (1), active connecting rod (4), described two-sided adjustable mechanical cipher device (1) comprises that housing, axle, outer cipher wheel, password arrange switch, anti-back baffle plate, move back engage switch, reset switch, interior cipher wheel, described axle has linear groove vertically, has annular groove at the annulate shaft body; The side outside of outer cipher wheel is processed with cipher mark, has vertically the through hole of truncated conical shape in the outer cipher wheel, and this round table-like through hole is coaxial with outer cipher wheel, is processed with gear teeth along the round platform generatrix direction in the round platform through hole; Interior cipher wheel is sleeve-shaped, and the termination external surface of one end is processed as truncated conical shape, and being processed with gear teeth along the generatrix direction of round platform can be meshed with the gear teeth of outer cipher wheel, and the inwall of sleeve is provided with projection; Inside and outside cipher wheel can arrange many groups according to the safety needs; Outer cipher wheel is limited in the housing with holes, and cipher mark shows by the hole of housing; Interior cipher wheel be sleeved on successively on the axle and the socket end direction of interior cipher wheel identical; The projection of interior cipher wheel can slide at the linear groove of axle, when the projection of interior cipher wheel all is positioned at the annular groove of axle, and the engagement of the gear teeth of inside and outside cipher wheel; Moving back engage switch links to each other with the sleeve of the interior cipher wheel of the most close axle A end; The anti-back baffle plate is positioned at axle B end, switch is set links to each other with the password on being installed in housing, the anti-back baffle plate is against the termination of the interior cipher wheel gear end of the most close B end when putting down, the projection that prevents interior password moves along the linear groove of axle and causes the gear of inside and outside cipher wheel to withdraw from engagement; Reset switch is installed on the housing corresponding with axle B end, the gear end that reset switch can promote interior cipher wheel makes it to mesh with the gear of outer cipher wheel, it is characterized in that, the housing of two-sided adjustable mechanical cipher device (1) is fixedly mounted on the body, axle links to each other with active connecting rod (4) by the termination, locking pin is installed in an initiatively end on the nearly door limit of connecting rod (4), realizes the insertion of axle control locking pin or withdraws from the locking hole; When the mechanical cipher device all was in the proper password device, the pin motion was closed in the untie-sell of pulling axle band, makes locking pin insert or withdraw from the locking hole.
2. security door according to claim 1, it is characterized in that: security door also comprises transfer, transfer links to each other with an end on limit, active connecting rod far away from home, and other terminations of transfer drive driven connecting rod and realize that many locking pins insert or withdraw from the locking hole simultaneously.
3. security door according to claim 1 is characterized in that: initiatively an end of connecting rod (4) links to each other with locking pin, and the other end directly links to each other with the termination of axle.
4. security door according to claim 1, it is characterized in that: be processed with screw thread on the described active connecting rod (4), the end of the axle of two-sided adjustable mechanical cipher device (1) also is processed with screw thread, initiatively the threaded engagement of the end of the axle of the screw thread on the connecting rod (4) and two-sided adjustable mechanical cipher device (1).
5. security door according to claim 2, it is characterized in that: also comprise control connection bar (2), initiatively an end of connecting rod (4) links to each other with the transfer of security door, a bit being fixed on the body on the described control connection bar (2), the termination of the axle of one end and two-sided adjustable mechanical encryption apparatus (1) is flexibly connected, the other end and initiatively connecting rod flexible connection.
6. security door according to claim 2, it is characterized in that: also comprise control connection bar (2), also be designed with fixed point on the housing of described two-sided adjustable mechanical cipher device (1), a bit being fixed on this fixed point on the control connection bar (2), but can rotate with respect to this fixed point, the termination of the axle of one end of control connection bar (2) and two-sided adjustable mechanical encryption apparatus (1) is flexibly connected, the other end and initiatively connecting rod (4) flexible connection.
7. according to claim 1, the described security door of 2,3,4,5,6 arbitrary claims, it is characterized in that: also comprise a door lock (3), door lock (3) is installed on the body, one end links to each other with locking pin, the other end links to each other with active connecting rod (4), and the termination that two-sided adjustable mechanical cipher device (1) passes through axle links to each other with active connecting rod (4).
8. security door according to claim 2, it is characterized in that: described security door also comprises initiatively connecting rod (4), vertical lower connecting rod (5), lower locking pin (6), left locking pin (7), horizontal driven connecting rod (8), turning point (9), turn to cavity (10), vertical upper connecting rod (11), upper pin closes pin (12), the turn-around chamber body is positioned at the center of security door, transfer is installed in the turning point (9) that turns to cavity (10) and locates, four end points of transfer respectively with active connecting rod (4), horizontal driven connecting rod, vertical upper connecting rod (11), vertical lower connecting rod (5) links to each other; Initiatively the other end of connecting rod (4) links to each other with door lock; The other end of horizontal driven connecting rod (8) links to each other with left locking pin (7), and vertical upper connecting rod (11) closes pin (12) with upper pin and links to each other; Vertical lower connecting rod (5) links to each other with lower locking pin; Transfer makes horizontal driven connecting rod (8) drive left locking pin (7), the upper pin of vertical upper connecting rod (11) drives and closes that locking pin (6) inserts or the release lock closed pore simultaneously under pin (12), 5 drives of vertical lower connecting rod under the effect of active connecting rod (4).
CN 201220399107 2012-08-13 2012-08-13 Anti-theft door Expired - Fee Related CN202788523U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220399107 CN202788523U (en) 2012-08-13 2012-08-13 Anti-theft door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220399107 CN202788523U (en) 2012-08-13 2012-08-13 Anti-theft door

Publications (1)

Publication Number Publication Date
CN202788523U true CN202788523U (en) 2013-03-13

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ID=47815799

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220399107 Expired - Fee Related CN202788523U (en) 2012-08-13 2012-08-13 Anti-theft door

Country Status (1)

Country Link
CN (1) CN202788523U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103590726A (en) * 2013-11-19 2014-02-19 李昌辉 Electrically-driven automatic security door with lock and door swinging mechanism internally arranged

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103590726A (en) * 2013-11-19 2014-02-19 李昌辉 Electrically-driven automatic security door with lock and door swinging mechanism internally arranged
CN103590726B (en) * 2013-11-19 2015-04-22 李昌辉 Electrically-driven automatic security door with lock and door swinging mechanism internally arranged

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20190813

CF01 Termination of patent right due to non-payment of annual fee