CN201857815U - Mechanical lock without lock hole and special key thereof - Google Patents

Mechanical lock without lock hole and special key thereof Download PDF

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Publication number
CN201857815U
CN201857815U CN2010205692720U CN201020569272U CN201857815U CN 201857815 U CN201857815 U CN 201857815U CN 2010205692720 U CN2010205692720 U CN 2010205692720U CN 201020569272 U CN201020569272 U CN 201020569272U CN 201857815 U CN201857815 U CN 201857815U
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lock
guide rod
plate
rod
disk body
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Expired - Lifetime
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CN2010205692720U
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Chinese (zh)
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施继平
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Individual
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Abstract

The utility model relates to a mechanical lock without a lock hole, which is suitable for being mounted on the inner side of an anti-theft door as a door lock. The mechanical lock has no lock hole, thereby being capable of preventing stretching an iron wire-like object into a lock body from the outside for stirring up a lock tongue, and further preventing inserting a foreign body from the outside for damaging the lock body. The mechanical lock without the lock hole comprises a lock sleeve (1), a lock core (2), a lock tongue spring (3), an insert plate (4), a lock tongue (5), a hand grip (8), a cylindrical spring (10), a transmission device (12) and an insert plate spring (20); when the door is opened, a special key is used for pressing a front guide rod exposing out of the front end surface of the lock core (2), a rear guide rod is pulled out from a small hole on the insert plate (4) through the transmission device (12), the hand grip (8) is rotated to drive the insert plate (4) to move, and then the lock tongue (5) is pulled to leave a door frame, thereby pulling and opening the anti-theft door; and when the door is closed, the door is pushed up directly, the lock tongue (5) is pushed into the door frame by elastic force of the lock tongue spring (3), and the anti-theft door is locked automatically. The mechanical lock without the lock hole has simple structure and no lock hole; furthermore, the key is not used for locking the anti-theft door, thereby having wide application prospects.

Description

A kind of no lockhole mechanical lock and private key thereof
Technical field
The utility model relates to a kind of lock and key thereof, particularly relates to a kind of no lockhole mechanical lock and private key thereof
Background technology
The common door lock of Chu Shouing is by lock tube in the market, lock core, and pellet shot from a slingshot, plug, dead bolt, lock bolt sleeve and latch bolt spring are formed.Key insertion lock core backs down pellet shot from a slingshot, drives lock core and rotates, and the lock core rotation is got back to by plug drive dead bolt and opened lockset in the lock bolt sleeve.But need key to insert lock core owing to open lockset, therefore common door lock must keep lockhole on lock core, fiddles with plug in the lock body with regard to artificially stretching into the wiriness object from the outside easily like this, also fills in foreign matter from the outside easily and destroys lockset.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of no lockhole mechanical lock, and it does not have lockhole, so can prevent to stretch into the wiriness object from the outside to fiddle with plug in the lock body, also can prevent to fill in foreign matter from the outside and destroys lockset.
For solving the problems of the technologies described above, basic design of the present utility model is: this lockset is by lock tube, lock core, and latch bolt spring, dead bolt, plate, plate spring and handgrip are formed.When opening the door, push down the preceding guide rod that exposes the lock core front end face with private key, the groove deep mixed by private key moves different distances inward to different preceding guide rods, by transmission device all back-guiding rods are all pulled out the aperture from plate, and preceding guide rod can not be pressed in the aperture on the plate yet, rotate handgrip then, drive plate by dead man and move and dead bolt is pulled out doorframe, thereby can pull the door open; When locking a door, as long as push the door to, dead bolt pushes doorframe by the elastic force of latch bolt spring, and door is just locked automatically.
The end face of above-mentioned front and back guide rod can be circle, oval, square, or other shapes, the front and back guide rod can be to be arranged in parallel, and also can be other forms of arrangement, the quantity of guide rod is the amount doesn't matter, and guide rod quantity is many more, and door lock is insurance more just, designs the requirement that 6-10 preceding guide rod just can satisfy general lockset usually; Above-mentioned dead bolt can be to be stuck in the guide rail of plate, or has trapezoidal projection to be stuck in the trapezoidal groove on plate surface on its surface, can also be that other forms of interface arrangment is stuck on the plate.
Above-mentioned transmission device can be each the one section straight-tooth by guide rod surface, front and back, the gear drive that travelling gear and power transmission shaft are formed, or by the U-shaped conduit under fluid pressure, the hydraulic transmission that piston rod and piston are formed also can be by pitman shaft and each link gearing of being made up of one section telescopic connecting rod of two ends.
Open above-mentioned lockset and must use private key, this private key is a tube-in-tube structure, be distributed with deep mixed groove in the sleeve, groove quantity is identical with preceding guide rod quantity, and the shape of groove can be circle, ellipse equally, square, or other shapes, and the groove internal diameter is slightly larger than leading rod end surface external diameter, thus guide rod easily inserts in each groove before can allowing.
Because above-mentioned lockset adopts the structure of no lockhole, guarantee can not stretch into the wiriness object from the outside to fiddle with locking bolt in the lock body, can not destroy lockset by filling in foreign matter.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is the structure chart of no lockhole mechanical lock.
Fig. 2 is the 3 dimensional drawing of no lockhole mechanical lock.
Fig. 3 is the gear drive structure chart.
Fig. 4 is the hydraulic transmission structure chart.
Fig. 5 is the link gearing structure chart.
Fig. 6 is the structure chart of private key.
The specific embodiment
First kind of embodiment is described now in conjunction with the accompanying drawings, and this no lockhole mechanical lock comprises lock tube 1, lock core 2, latch bolt spring 3, plate 4, dead bolt 5, plate spring 20 and handgrip axle 21.Described lock tube 1 is a box-shaped, there is plate guide rail 17 its rear section, there are lock core 2 and handgrip axle 21 in its inside, lock core 2 is by 4 spaced- apart disk bodies 41,42,43 and 44, preceding guide rod 51, back-guiding rod 52, column spring 10 and transmission device 12 are formed, disk body 41,42,43 and 44 are vertically fixed on lock tube 1 bottom surface, the aperture 6 that is arranged in parallel is all arranged above them, preceding guide rod 51 is that column and quantity are identical with back-guiding rod 52, before and after guide rod 51 and 52 external diameter be slightly less than disk body 41,42, the aperture of aperture 6 on 43 and 44, preceding guide rod 51 passes disk body 41,42, aperture on 43 and 44, and back-guiding rod 52 only passes aperture 6 on disk body 43 and 44, the slightly different but maximum length that stretch out lock core 2 front end faces of the length of guide rod 51 equates before each, guide rod 51 is having projection 11 and its can not pass aperture 6 on disk body 41 and 42 in part between disk body 41 and 42 before each, and projection 11 movably distance and preceding guide rod 51 maximum length of exposing lock core 2 front end faces equates, column spring 10 is between disk body 42 and 43 and before being enclosed within each on the guide rod 51, the one end contacts with the end face of disk body 42 or 43 and the other end is fixed on before each on guide rod 51, before transmission device 12 is fixed between guide rod 51 and the back-guiding rod 52; On lock tube 1, its front has handgrip 8 and back thereof that dead man 9 is arranged to described handgrip axle 21 by bearing fixing; Described plate 4 is stuck in the plate guide rail 17, there is the aperture to be slightly larger than the aperture 18 of front and back guide rod external diameter and the quantity sum that little hole count is the front and back guide rod above the plate 4, there is an elongated portion to make plate washer 19 on plate 4 sides and it can contact with dead man 9, also has projection 14 above the plate 4; Described dead bolt 5 is stuck in the guide rail 13 of plate 4, or there is trapezoidal projection to be stuck in the trapezoidal groove on plate 4 surfaces on its surface, its left side is the inclined-plane and slot 15 is arranged above it that projection 14 puts in the slot 15 of dead bolt 5 on plate 4, and a projection 16 is also arranged on the dead bolt 5; Described plate spring 20 1 ends connect on the back side edge of plate 4 and the other end connects plate guide rail 17; One end of described latch bolt spring 3 is connected other end connection plate guide rail 17 on dead bolt 5 back side edge.In the time of on the door lock, before on the guide rod 51 elastic force of column spring 10 preceding guide rod is pushed into projection 11 above it forward near disk body 41, at this moment preceding guide rod exposes in the length of lock core 2 front end faces the same, and preceding guide rod 51 is simultaneously by in the aperture 18 on the mobile backward all insertions of transmission device 12 promotion back-guiding rods 52 plates 4, at this moment, rotary handle 8 can not be Men Lakai; When push down the preceding guide rod 51 that exposes lock core 2 front end faces with private key 80, column spring 10 is in compressive state, preceding guide rod 51 is all pulled out the apertures 18 of back-guiding rod 52 from plate by 12 of transmission devices, and preceding guide rod 51 is not pressed in the aperture 18 on the plate 4 yet, rotate handgrip 8 then and make 21 rotations of handgrip axle, dead man 9 on the handgrip axle 21 promotes the baffle plate 19 on the plates 4 and drives plate 4 and move, projection 14 pulling dead bolts 5 on the plate 4 withdraw from doorframe, at this moment from outdoors just can be Men Lakai; Unclamp handgrip 8 then and remove private key 80, plate 4 and dead bolt 5 rely on the elastic force of plate spring 20 and latch bolt spring 3 to get back to the front position of unblanking respectively, and preceding guide rod 51 elastic force of borrowing column spring 10 promotes back-guiding rods 52 by transmission device 12 and inserts again on the plate 4 in the aperture 18; If from pushing to door outdoors, dead bolt 5 puts in doorframe by the elastic force of latch bolt spring 3, on the door automatic locking; If pull the door shut in door, dead bolt 5 same elastic force by latch bolt spring 3 put in doorframe and automatically lock; Indoor, catch on the dead bolt 5 projection 16 that dead bolt 5 is pulled out doorframe with hand and also can push the door open.
Below in conjunction with accompanying drawing second kind of embodiment is described, this embodiment is each the one section straight-tooth 61 by guide rod surface, front and back of the transmission device 12 in first kind of embodiment, travelling gear 62 and power transmission shaft 63 are formed, travelling gear 62 be installed on the power transmission shaft 63 and and the front and back guide rod on straight-tooth 61 be meshed, power transmission shaft 63 then is fixed on disk body 43 and 44.In the time of on the door lock, before guide rod 51 elastic force of borrowing column spring 10 preceding guide rod is pushed into projection 11 above it forward near disk body 41, at this moment preceding guide rod exposes in the length of lock core 2 front end faces the same, and preceding guide rod 51 above it straight-tooth 61 and drive this travelling gear 62 with the travelling gear 62 of its engagement and rotate, travelling gear 62 again by with back-guiding rod that it is meshed on straight-tooth 61 promote back-guiding rods 52 and move backward and all insert on the plates 4 in the aperture 18, at this moment, rotating handgrip 8 can not be Men Lakai; When push down the preceding guide rod 51 that exposes lock core 2 front end faces with private key 80, column spring 10 is in compressive state, before guide rod 51 by the straight-tooth 61 above it with drive this travelling gear 62 with the travelling gear 62 of its engagement and rotate, travelling gear 62 again by with back-guiding rod that it is meshed on straight-tooth 61 back-guiding rod 52 moved forward and pull out the aperture 18 from plate 4, and preceding guide rod 51 does not enter in the aperture 18 on the plate 4 yet, rotating handgrip 8 then rotates lock tube 1 in the radian of its arc notch 7, dead man 9 on the lock tube 1 drives the baffle plate 19 on the plate 4 and plate 4 is moved, projection 14 pulling dead bolts 5 on the plate 4 withdraw from doorframe, from outdoors just can be Men Lakai; Unclamp handgrip 8 then and remove private key 80, plate 4 and dead bolt 5 rely on the elastic force of plate spring 20 and latch bolt spring 3 to get back to the front position of unblanking respectively, and preceding guide rod 51 elastic force of borrowing column spring 10 promotes back-guiding rods 52 by this gear drive 12 and inserts again on the plate 4 in the aperture 18; If from pushing to door outdoors, dead bolt 5 enters doorframe by the elastic force of latch bolt spring 3, on the door automatic locking; If pull the door shut in door, dead bolt 5 elastic force by latch bolt spring 3 equally enters doorframe and on the automatic locking; Indoor, catch on the dead bolt 5 projection 16 that dead bolt 5 is pulled out doorframe with hand and also can push the door open.For the straight-tooth that guarantees travelling gear and front and back guide rod is meshed, during design, the ultimate range that the front and back guide rod moves should be less than the straight-tooth length on the guide rod of front and back, can being designed to travelling gear 62 up and down simultaneously, two different semicolumn Gear Processing of radius be integral, perhaps be two travelling gear structures that the radius size that is meshed is different, different displacements is arranged when the front and back guide rod that is meshed with travelling gear 62 different radii positions is moved or different displacements is arranged when front and back guide rod that the travelling gear of different radii is meshed moves, when guaranteeing before each that guide rod has different displacement and all back-guiding rods have the same displacement.
Below in conjunction with accompanying drawing the third embodiment is described, this embodiment is by U-shaped conduit under fluid pressure 64 the transmission device 12 in first kind of embodiment, piston rod 65 and piston 66 are formed, U-shaped conduit under fluid pressure 64 is fixed on the disk body 44 and is positioned between the guide rod of front and back, before and after guide rod each fix 65, two piston rods 65 of one of them piston rod and connect piston 66 on U-shaped conduit under fluid pressure 64 two-port respectively.In the time of on the door lock, before guide rod 51 elastic force of borrowing column spring 10 preceding guide rod is pushed into projection 11 above it forward near disk body 41, at this moment preceding guide rod exposes in the length of lock core 2 front end faces the same, and preceding guide rod 51 moves forward by spurring coupled piston with its fixing piston rod simultaneously, another piston of U-shaped conduit under fluid pressure then promotes to move with the fixing back-guiding rod 52 of this piston rod by connected piston rod backward and all inserts on the plate 4 in the aperture 18, at this moment, rotary handle 8 can not be Men Lakai; When push down the preceding guide rod 51 that exposes lock core 2 front end faces with private key 80, column spring 10 is in compressive state, preceding guide rod 51 moves simultaneously backward and moves by promoting coupled piston with its fixing piston rod backward, another piston of U-shaped conduit under fluid pressure is then pulled out forward in the aperture 18 on the plate 4 by the fixing back-guiding rod 52 of the pulling of connected piston rod and this piston rod, and preceding guide rod 51 is not pressed in the aperture 18 on the plate 4 yet, rotate handgrip 8 then, dead man 9 on it promotes the baffle plate 19 on the plates 4 and drives plate 4 and move, projection 14 pulling dead bolts 5 on the plate 4 also just withdraw from doorframe, at this moment from outdoors just can be Men Lakai; Unclamp handgrip then and remove private key 80, plate 4 and dead bolt 5 rely on the elastic force of plate spring 20 and latch bolt spring 3 to get back to the front position of unblanking respectively, and the elastic force that preceding guide rod 51 is borrowed column spring 10 is pushed into projection 11 above it to preceding guide rod forward near disk body 41, and preceding guide rod 51 pushes back-guiding rod 52 on the plate 4 in the aperture 18 again by this hydraulic transmission 12 simultaneously; If from pushing to door outdoors, dead bolt 5 enters doorframe by the elastic force of latch bolt spring 3, on the door automatic locking; If pull the door shut in door, dead bolt 5 elastic force by latch bolt spring 3 equally enters doorframe and on the automatic locking; Indoor, catch on the dead bolt 5 projection 16 that dead bolt 5 is pulled out doorframe with hand and also can push the door open.As long as the two ends internal diameter of the pipeline of U-shaped conduit under fluid pressure is designed to difference, during transmission, the displacement of preceding guide rod 51 and back-guiding rod 52 is just different, in the time of so just can allowing guide rod before each that different displacement is arranged and all back-guiding rods have displacement.
Below in conjunction with accompanying drawing the 4th kind of embodiment is described, this embodiment is the transmission device 12 in first kind of embodiment to be defined as by pitman shaft 67 and two ends respectively be made up of one section telescopic connecting rod 68, pitman shaft 67 is fixed on disk body 43 and 44, connecting rod 68 middle parts are connected on the pitman shaft 67, guide rod and can moving and swing with the front and back guide rod before and after the two ends of connecting rod 68 connect.In the time of on the door lock, before guide rod 51 elastic force of borrowing column spring 10 preceding guide rod is pushed into projection 11 above it forward near disk body 41, at this moment preceding guide rod exposes in the length of lock core 2 front end faces the same, and preceding guide rod 51 spur simultaneously coupled connecting rod 68 make this connecting rod nearby an end of guide rod 51 swing forward, because the middle part of connecting rod 68 is connected on the pitman shaft 67, the other end of connecting rod 68 can only be swung backward and the back-guiding rod 52 that promotes to be attached thereto moves backward and all inserts on the plates 4 in the aperture 18, at this moment, rotary handle 8 can not be Men Lakai; When push down the preceding guide rod 51 that exposes lock core 2 front end faces with private key 80, column spring 10 is in compressive state, before guide rod 51 move backward spur simultaneously coupled connecting rod 68 make this connecting rod nearby an end of guide rod 51 swing backward, the other end of connecting rod 68 can only be swung forward and the back-guiding rod 52 that promotes to be attached thereto is pulled out forward in the aperture 18 on the plate 4, and preceding guide rod 51 is not pressed in the aperture 18 on the plate 4 yet, rotate handgrip 8 then, dead man 9 on it promotes the baffle plate 19 on the plates 4 and drives plate 4 and move, projection 14 pulling dead bolts 8 on the plate 4 also just withdraw from doorframe, at this moment from outdoors just can be Men Lakai; Unclamp handgrip 8 then and remove private key 80, plate 4 and dead bolt 5 rely on the elastic force of plate spring 20 and latch bolt spring 3 to get back to the front position of unblanking respectively, and the elastic force that preceding guide rod 51 is borrowed column spring 10 is pushed into projection 11 above it to preceding guide rod forward near disk body 41, and preceding guide rod 51 pushes back-guiding rod 52 on the plate 4 in the aperture 18 again by this link gearing simultaneously; If from pushing to door outdoors, dead bolt 5 enters doorframe by the elastic force of latch bolt spring 3, on the door automatic locking; If pull the door shut in door, dead bolt 5 elastic force by latch bolt spring 3 equally enters doorframe and on the automatic locking; Indoor, catch on the dead bolt 5 projection 16 that dead bolt 5 is pulled out doorframe with hand and also can push the door open.As long as the tie point of design pitman shaft 67 and connecting rod 68 is not in position, connecting rod 68 middle, during connecting rod 68 swings, the displacement of its two-end-point is just different, during transmission, before the displacement of guide rod 51 and back-guiding rod 52 just different, in the time of so just can allowing guide rod before each that different displacement is arranged and all back-guiding rods have displacement
In order to satisfy the needs of opening this no lockhole mechanical lock, use a kind of and key 80 this phase-locked coupling, this key can not be plug in construction, be preferably tube-in-tube structure, be processed with deep mixed groove 81 in the sleeve, groove quantity is identical with the quantity of preceding guide rod 51, and groove 81 is slightly larger than the cylinder of preceding guide rod 51, guide rod 51 easily touches the bottom of groove 81 before can allowing, and promotes the mobile backward different distance of each preceding guide rod thereby help key.
In addition; this nothing lockhole mechanical lock can also combine use with other locksets; be designed to it the lockhole protective device of common lockset so long; with Back plate for lock hole the lockhole of common lockset is covered fully; utilize this no lockhole mechanical lock to come locking and unlatching Back plate for lock hole then, can prevent from equally to stretch into the wiriness object from the outside to fiddle with locking bolt in the lock body and destroy lockset by filling in foreign matter.

Claims (5)

1. no lockhole mechanical lock, comprise lock tube (1), lock core (2), latch bolt spring (3) and dead bolt (5), it is characterized in that: it also comprises plate (4), plate spring (20) and handgrip axle (21), described lock tube (1) is a box-shaped, there is plate guide rail (17) its rear section, there are lock core (2) and handgrip axle (21) in its inside, lock core (2) is by 4 spaced-apart disk bodies (41), (42), (43) reach (44), preceding guide rod (51), back-guiding rod (52), column spring (10) and transmission device (12) are formed, disk body (41), (42), (43) reach (44) and be vertically fixed on lock tube (1) bottom surface, the aperture (6) that is arranged in parallel is all arranged above them, preceding guide rod (51) is that column and quantity are identical with back-guiding rod (52), the external diameter of front and back guide rods (51) and (52) is slightly less than disk body (41), (42), (43) and (44) aperture of going up aperture (6), preceding guide rod (51) passes disk body (41), (42), (43) and the aperture on (44), and back-guiding rod (52) only passes disk body (43) and (44) go up aperture (6), the slightly different but maximum length that stretch out lock core (2) front end face of the length of guide rod (51) equates before each, guide rod (51) has projection (11) and its can not pass disk body (41) to reach aperture (6) on (42) being positioned at part between disk body (41) and (42) before each, projection (11) movably distance and preceding guide rod (51) maximum length of exposing lock core (2) front end face equates, column spring (10) is positioned between disk body (42) and (43) and is enclosed within on each preceding guide rod (51), the one end contacts with the end face of disk body (42) or (43) and the other end is fixed on before each on guide rod (51), and transmission device (12) is fixed between preceding guide rod (51) and the back-guiding rod (52); On lock tube (1), its front has handgrip (8) and back thereof that dead man (9) is arranged to described handgrip axle (21) by bearing fixing; Described plate (4) is stuck in the plate guide rail (17), there is the aperture to be slightly larger than the aperture (18) of front and back guide rod external diameter and the quantity sum that little hole count is the front and back guide rod above the plate (4), there is an elongated portion to make plate washer (19) on plate (4) side and it can contact with dead man (9), also has projection (14) above the plate (4); Described dead bolt (5) is stuck in the guide rail (13) of plate (4), or there is trapezoidal projection to be stuck in the trapezoidal groove on plate (4) surface on its surface, its left side is the inclined-plane and slot (15) is arranged above it, plate (4) is gone up projection (14) and is put in the slot (15) of dead bolt (5), and a projection (16) is also arranged on the dead bolt (5); Other end connection plate guide rail (17) on the back side edge of described plate spring (20) one ends connection plates (4); One end of described latch bolt spring (3) is connected other end connection plate guide rail (17) on dead bolt (5) back side edge.
2. according to the described no lockhole mechanical lock of claim 1, it is characterized in that: described transmission device (12) is by each one section straight-tooth (61) on guide rod surface, front and back, travelling gear (62) and power transmission shaft (63) are formed, travelling gear (62) be installed in that power transmission shaft (63) is gone up and and the front and back guide rod on straight-tooth (61) be meshed, power transmission shaft (63) then is fixed on disk body (43) and (44).
3. according to the described no lockhole mechanical lock of claim 1, it is characterized in that: described transmission device (12) is by U-shaped conduit under fluid pressure (64), piston rod (65) and piston (66) are formed, U-shaped conduit under fluid pressure (64) is fixed on the disk body (44) and is positioned between the guide rod of front and back, each fixes one of them piston rod (65) the front and back guide rod, and two piston rods (65) connect the piston (66) on U-shaped conduit under fluid pressure (64) two-port respectively.
4. according to the described no lockhole mechanical lock of claim 1, it is characterized in that: described transmission device (12) respectively has one section telescopic connecting rod (68) to form by pitman shaft (67) and two ends, pitman shaft (67) is fixed on disk body (43) and (44), connecting rod (68) middle part is connected on the pitman shaft (67), guide rod and can moving and swing with the front and back guide rod before and after the two ends of connecting rod (68) connect.
5. open claim 1 for one kind, 2, the private key of 3 or 4 described no lockhole mechanical locks (80), it is characterized in that: described key is a tube-in-tube structure, deep mixed groove (81) is arranged in the sleeve, groove quantity is identical with the quantity of preceding guide rod (51), and the internal diameter of groove (81) is slightly larger than the external diameter of preceding guide rod (51).
CN2010205692720U 2010-10-19 2010-10-19 Mechanical lock without lock hole and special key thereof Expired - Lifetime CN201857815U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205692720U CN201857815U (en) 2010-10-19 2010-10-19 Mechanical lock without lock hole and special key thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205692720U CN201857815U (en) 2010-10-19 2010-10-19 Mechanical lock without lock hole and special key thereof

Publications (1)

Publication Number Publication Date
CN201857815U true CN201857815U (en) 2011-06-08

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Application Number Title Priority Date Filing Date
CN2010205692720U Expired - Lifetime CN201857815U (en) 2010-10-19 2010-10-19 Mechanical lock without lock hole and special key thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011516A (en) * 2010-10-19 2011-04-13 施继平 Lockhole-free mechanical lock and key special for same
CN112081507A (en) * 2020-10-19 2020-12-15 温州优帅家具有限公司 Omnibearing locking safety anti-theft door

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102011516A (en) * 2010-10-19 2011-04-13 施继平 Lockhole-free mechanical lock and key special for same
CN102011516B (en) * 2010-10-19 2013-06-19 施继平 Lockhole-free mechanical lock and key special for same
CN112081507A (en) * 2020-10-19 2020-12-15 温州优帅家具有限公司 Omnibearing locking safety anti-theft door

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