CN102071844B - Multi-bolt double-quick burglarproof lock - Google Patents

Multi-bolt double-quick burglarproof lock Download PDF

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Publication number
CN102071844B
CN102071844B CN 200910223882 CN200910223882A CN102071844B CN 102071844 B CN102071844 B CN 102071844B CN 200910223882 CN200910223882 CN 200910223882 CN 200910223882 A CN200910223882 A CN 200910223882A CN 102071844 B CN102071844 B CN 102071844B
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CN
China
Prior art keywords
lock tongue
tongue
bolt
master lock
handle
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Expired - Fee Related
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CN 200910223882
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Chinese (zh)
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CN102071844A (en
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林响
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林响
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Priority to CN 200910223882 priority Critical patent/CN102071844B/en
Publication of CN102071844A publication Critical patent/CN102071844A/en
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Publication of CN102071844B publication Critical patent/CN102071844B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a multi-bolt double-quick burglarproof lock, which comprises a shell and a lock body panel. A main bolt, an oblique bolt, a safety bolt, an upper sliding bolt, a lower sliding bolt, a handle transmission mechanism in matched connection with inner and outer handles, a main bolt pulling mechanism in matched connection with the handle transmission mechanism, a main bolt motion limiting plate, a main bolt limiting clutch mechanism and a lock cylinder are arranged in the shell; two or two groups of rotary bolts with gears are also arranged in the shell; one side of the upper sliding bolt and one side of the lower sliding bolt are provided with racks in transmission fit with the gears of the rotary bolts respectively; the inner ends of the upper sliding bolt and the lower sliding bolt are in matched connection with the main bolt pulling mechanism respectively and enable the rotary bolts and the main bolt to form linkage; and rotary bolt torsion springs are arranged on the rotary bolts. The lock can be quickly locked by using the handles, quickly unlocked indoors by using the handle and unlocked outdoors by using a key; and the lock has simple structure, is convenient and quick to operate, and has high reliability, high burglarproof performance and the like.

Description

Many lock tongue double-fast anti-theft locks
Technical field:
The present invention relates to door latch structure, especially a kind of many dead bolts have the theftproof lock that changes up soon lock (being double quick) characteristics concurrently.
Background technology:
Lock is as the indispensable instrument of people's daily life, and its theftproof performance is just obtaining constantly perfect.The dead bolt of existing theftproof lock no longer is single direction, has developed into three-dimensional five tongues.Its dead bolt comprises: latch bolt, master latch, safety tongue and be connected to retainer on the master latch junction plate, and described retainer is each one up and down of lock body, and direction is vertical with master latch.The theftproof lock that designs like this, its safety performance has obtained very large change.Although the theftproof performance of lock is constantly improved, but often has the message of some indoor stolen properties to be reported in media.Tracing it to its cause, is not the problem because of theftproof lock itself, but due to carelessness of resident family itself.Although theftproof lock is furnished with multiple dead bolt thereon, shoulder main anti-theft function or master latch, most stolen clients are because do not make the master latch locking, allow it participate in and go in antitheft, but only rely on the effect of latch bolt that door lock is lived.As everyone knows, the inclined-plane of latch bolt is towards outdoors, and its thin slice that is easy to be had certain degree of hardness supports to be opened, thereby causes door to be opened in the situation of key needing, and this provides convenience for the burglar enters the room.Since most people is all understood middle fact, does but why indoor theft case still occur repeatedly? this is because the locking of the master latch of existing theftproof lock is to be inserted in the tapered end with key, rotating several circles just can make master latch lock fully again, and then a key is screwed into the position that can extract, put well after extracting key, then go out hurriedly, this is than having howed with handgrip door one band is bothersome, and also this custom that follows the line of least resistance is that indoor property has brought safely hidden danger just.
For this reason, Chinese invention patent ZL200410025796.2 discloses a kind of three-dimensional five tongue safe-guard door locks of realizing quick lock in and unlatching, when locking a door, it need not key, as long as the outer handle of rotation can be with overhanging lockings such as master latches, thereby avoided the bothersome phenomenon of locking a door, have simple to operation, advantage efficiently, but also there are the defectives such as complex structure, theftproof performance be unreliable in this theftproof lock.
Summary of the invention:
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, a kind of simple in structure, convenient to operation, reliability is high, theftproof performance is good many lock tongue double-fast anti-theft locks are provided.
In order to realize the foregoing invention purpose, the present invention has adopted following technical scheme:
A kind of many lock tongue double-fast anti-theft locks, comprise housing and lock panel, be provided with the master lock tongue in the housing, latch bolt, safety tongue, upper sliding valve, lower retainer, the handle for driving mechanism that is connected with inside and outside handle, the master lock tongue toggle mechanism that is connected with handle for driving mechanism, the movable limiting plate of master lock tongue, the spacing clutch of master lock tongue and lock core, also be provided with the rotation dead bolt of two or two groups band gears in the housing, described upper sliding valve and lower retainer one side be respectively equipped with rotate dead bolt with the tooth bar that cooperates of gear drive, the inner end of described upper sliding valve and lower retainer is connected with master lock tongue toggle mechanism respectively and makes the rotation dead bolt become interlock with described master lock ligulate, and rotation tongue torsion spring is installed on the described rotation dead bolt.
Described rotation dead bolt comprises semi-circular tongue and center, center is connected by spoke with semi-circular tongue one end, described gear is fixed on the center and with center and is movably set on the locating shaft, the back-out direction of described rotation dead bolt is identical with the overhanging direction of described master lock tongue and latch bolt, and described lock panel is provided with the lockhole that cooperates with semi-circular tongue openend.
Described handle for driving mechanism includes the gear shifting block, described master lock tongue toggle mechanism comprises the chute of stirring tooth plate, the first alignment pin, the second alignment pin and being located at described housing surfaces externally and internally, the first alignment pin is installed in described gear shifting block one side, the second alignment pin is installed on the described master lock tongue and with described chute and is slidingly matched, describedly stir tooth plate one end activity and be placed in the first alignment pin and be in transmission connection with gear shifting block tooth, the other end is movably set on the second alignment pin, and the inner end of described upper sliding valve and lower retainer is respectively equipped with the skewed slot that is slidingly matched with the second alignment pin.
Described handle for driving mechanism also comprises inside and outside handle plectrum and inside and outside handle rotating shaft, the interior outer face of described gear shifting block is provided with groove, described inside and outside handle rotating shaft is located at respectively in the corresponding groove, described inside and outside handle rotating shaft is comprised of interior square cylinder and two projections that are symmetricly set on interior square cylinder outer wall surface, described groove comprises the medial launder that cooperates with interior square cylinder and two side channels that cooperate with two projections, and the circumferential lengths of described side channel is greater than the circumferential lengths of described projection.
Described inside and outside handle plectrum is provided with the endoporus identical with gear shifting block upper groove shape, described inside and outside handle plectrum is coated at respectively inside and outside handle rotating shaft by endoporus on it, one end of described inside and outside handle plectrum matches with described latch bolt respectively, and the push rod that the other end of described interior handle plectrum and is movably arranged on the described master lock tongue is connected.
On the movable limiting plate of described master lock tongue the limiting plate torsion spring is installed, the spacing clutch of described master lock tongue comprises a shifting part and a driver blade, described shifting part one end is hinged on the reference column that is installed on described housing, the other end is connected from side with movable the spacing of limiting plate of described master lock tongue, have the endoporus that is complementary with interior handle rotating shaft circumferential profile shape on the described driver blade, described driver blade is coated in the described interior handle rotating shaft by endoporus on it and between described gear shifting block and interior handle plectrum, the hinged end of described driver blade one end and described shifting part is connected.
Described lock core is installed in the movable limiting plate of described master lock tongue with respect to the opposite side of the spacing clutch of described master lock tongue, and described lock core is provided with the shifting block of opening the movable limiting plate of described master lock tongue.
Tongue post on the described master lock tongue is three or four.
Described safety tongue is by independently shifting component control.
The present invention has been owing to adopted above technical scheme, thereby has following advantage with respect to prior art:
At first, architectural feature of the present invention makes people only need needn't can realize many dead bolt lockings with key by rotating inside and outside handle when inside and outside locking a door, fully manifested its simple operation, indoor opening the door also can be opened by interior handle simultaneously, outdoor opening the door must just can be opened with key, and then guaranteed the theftproof performance of theftproof lock on basis convenient to operation.
Secondly, the present invention is on the basis of original three-dimensional five tongue safe-guard door locks, two rotation dead bolts have been increased again, so that the theftproof performance of theftproof lock further improves, and the rotation dead bolt forms with master latch and links by being arranged on up and down two groups of rack geared structures of retainer one side, and structure is very ingenious.
Again, the present invention is simple in structure, and is easy to assembly, and particularly wherein master lock tongue toggle mechanism and rotation lock tongue linking mechanism all comes transmission by gear, reliable transmission, and then also improved reliability to dead bolt operation.
At last, the present invention is designed to safety tongue by the control of shifting component independently, and separate with the control of other dead bolt, in case can avoid like this handle person thefted to destroy the defective that whole door lock namely is opened, thereby antitheft reliably.
Description of drawings:
Introduce in detail the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is the structural representation of the many lock tongue double-fast anti-theft locks of the present invention;
Fig. 2 is the schematic perspective view of the many lock tongue double-fast anti-theft locks of the present invention;
Fig. 3 is the cross-sectional schematic of handle for driving mechanism among the present invention;
Fig. 4 is the structural representation of rotation dead bolt among the present invention;
Fig. 5 is the structural representation of upper sliding valve among the present invention, and lower retainer is identical with its structure;
Fig. 6 is the structural representation of middle gear shifting block of the present invention;
Fig. 7 is the structural representation of handle rotating shaft among the present invention;
Fig. 8 is the structural representation of interior handle plectrum among the present invention;
Fig. 9 is the structural representation of the present invention China and foreign countries handle plectrum;
Figure 10 is the structural representation of stirring tooth plate among the present invention;
Figure 11 is the structural representation of driver blade among the present invention;
Figure 12 is the structural representation of shifting part among the present invention.
The specific embodiment:
As depicted in figs. 1 and 2, according to many lock tongue double-fast anti-theft locks provided by the invention, it comprises housing 1 and lock panel 2, be provided with master lock tongue 3 in the housing, latch bolt 4, safety tongue 5, upper sliding valve 6, lower retainer 7, the handle for driving mechanism 8 that is connected with inside and outside handle (not shown), the master lock tongue toggle mechanism 9 that is connected with handle for driving mechanism, the movable limiting plate 10 of master lock tongue, the spacing clutch 11 of master lock tongue and lock core 12, also be provided with the rotation dead bolt 14 of two or two groups band gears 13 in the housing 1, as preferably, preferably select to arrange two, and with two the rotation dead bolts 14 be arranged in respectively master lock tongue 3, the both sides of latch bolt 4 and safety tongue 5, upper sliding valve 6 and lower retainer 7 one sides be respectively equipped with rotate dead bolt with the tooth bar 15 that cooperates of gear 13 transmissions, the inner end of upper sliding valve 6 and lower retainer 7 is connected with master lock tongue toggle mechanism 9 respectively and makes rotation dead bolt 14 and master lock tongue 3 form interlock, and rotation tongue torsion spring 16 is installed on the rotation dead bolt 14.
As shown in Figure 1 and Figure 4, rotation dead bolt 14 comprises semi-circular tongue 141 and center 142, center 141 is connected by spoke 143 with semi-circular tongue 142 1 ends, the rotation dead bolt with gear 13 be fixed on the center 142 and with center 142 and be movably set on the locating shaft 24, locating shaft 24 is fixed on the housing 1, thereby so that rotation dead bolt 14 in use can be around these locating shaft 24 rotations.The back-out direction of rotation dead bolt 14 is identical with the overhanging direction of master lock tongue 3, latch bolt 4 and safety tongue 5, and lock panel 2 is provided with the lockhole 21 that cooperates with semi-circular tongue 141 openends.
Such as Fig. 1, Fig. 2, Fig. 5, Fig. 6, shown in Figure 10, handle for driving mechanism 8 includes gear shifting block 81, master lock tongue toggle mechanism 9 comprises stirs tooth plate 91, the first alignment pin 92, the second alignment pin 93 and the chute 94 of being located at housing 1 surfaces externally and internally, the first alignment pin 92 is installed in gear shifting block 81 1 sides, the second alignment pin 93 is installed on the master lock tongue 3 and with chute 94 and is slidingly matched, stirring tooth plate 91 1 ends is placed in the first alignment pin 92 by pin-and-hole 911 activities and is in transmission connection with gear shifting block 81 teeth, the other end is movably set on the second alignment pin 93 by bar hole 912, and the inner end of upper sliding valve 6 and lower retainer 7 is respectively equipped with the skewed slot 25 that is slidingly matched with the second alignment pin 93.
Such as Fig. 1, Fig. 3, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, handle for driving mechanism 8 also comprises inside and outside handle plectrum 82,83 and inside and outside handle rotating shaft 84,85, as preferably, the height of interior handle rotating shaft 84 is a little more than outer handle rotating shaft 85, so that can sheathed more parts in the interior handle rotating shaft 84.The interior outer face of gear shifting block 81 is provided with groove 811, inside and outside handle rotating shaft 84,85 are located at respectively in the corresponding groove, inside and outside handle rotating shaft 84,85 are comprised of interior square cylinder 841 and two projections 842 being symmetricly set on interior square cylinder outer wall surface, groove 811 comprises the medial launder 812 that cooperates with interior square cylinder 841 and two side channels 813 that cooperate with two projections 842, the circumferential lengths of side channel 813 is greater than the circumferential lengths of projection 842, thereby so that outer handle can be at opposite spin certain angle under the neutral position state after the dead bolt locking puts in place, interior handle could unlock deadbolt after needing opposite spin through a neutral after the dead bolt locking puts in place.Inside and outside handle plectrum 82,83 is provided with the endoporus 821,831 identical with gear shifting block 81 upper groove shapes, inside and outside handle plectrum 82,83 is coated at respectively inside and outside handle rotating shaft 84,85 by endoporus on it 821,831, inside and outside handle plectrum 82, an end of 83 match with latch bolt 4 respectively, the push rod 17 that the other end of interior handle plectrum 82 and is movably arranged on the master lock tongue 3 is connected, and push rod 17 is used for the auxiliary tooth plate 91 of stirring and master lock tongue 3 is released lock bodies or retracts in the lock body.
Such as Fig. 1, Fig. 3, Figure 11 and shown in Figure 12, on the movable limiting plate 10 of master lock tongue limiting plate torsion spring 18 is installed, the spacing clutch 11 of master lock tongue comprises a shifting part 19 and a driver blade 20, shifting part 19 1 ends are hinged on the reference column 22 that is installed on housing 1, the other end is connected from side with movable the spacing of limiting plate 10 of master lock tongue, have the endoporus 201 that is complementary with interior handle rotating shaft 84 circumferential profile shapes on the driver blade 20, driver blade 20 is coated in the interior handle rotating shaft 84 by endoporus on it and between gear shifting block 81 and interior handle plectrum 82, thereby so that driver blade 20 rotates at once along with the rotation of interior handle rotating shaft 84, middle without running clearance, the hinged end of driver blade 20 1 ends and shifting part 19 is connected, so clockwise rotating of driver blade 20 just can drive shifting part 19 counter-rotation, opens the spacing of the movable limiting plate 10 of master lock tongue.
As shown in Figure 1, lock core 12 is installed in the movable limiting plate 10 of master lock tongue with respect to the opposite side of the spacing clutch 11 of master lock tongue, and lock core 12 is provided with the shifting block 121 of opening the movable limiting plate 10 of master lock tongue.Tongue post on the master lock tongue 3 is four, to increase keyed end.Safety tongue 5 is by 51 controls of shifting component independently, is not related with the rotation of inside and outside handle.
Locking principle of the present invention is: the door internal lock regularly, rotate counterclockwise interior handle and drive interior handle rotating shaft 84 and driver blade 20, gear shifting block 81 and interior handle plectrum 82 rotate thereupon and drive respectively stirs tooth plate 91 and push rod 17 1 end counter-rotation, it is overhanging that the other end of stirring tooth plate 91 and push rod 17 will be opened the spacing master lock tongue 3 that makes of 10 pairs of master lock tongues 3 of the movable limiting plate of master lock tongue, simultaneously, the action of master lock tongue 3 is by the second alignment pin 93 and upper mounted thereto, the cooperation of skewed slot 25 on the lower retainer, make, lower retainer 6,7 respectively laterally translations, and cog 13 cooperate by its upper rack 15 and rotation dead bolt 14, driven rotary dead bolt 14 screws out housing counterclockwise, thereby realize the locking of master lock tongue 3 and rotation dead bolt 14,4 of latch bolts are just automatically locking in an instant that door is shut.Stock lock regularly clockwise rotates outer handle and gets final product, and other process and interior locking are similar, so no longer repeat, latch bolt 4 also is just automatically locking in an instant that door is shut.
The principle of unblanking of the present invention is: need not key when opening in the door, clockwise rotate interior handle and drive interior handle rotating shaft 84, at first driver blade 20 rotates thereupon and drives the hinged end counter-rotation of shifting part 19, the other end of shifting part 19 is then opened the spacing of 10 pairs of master lock tongues 3 of the movable limiting plate of master lock tongue, master lock tongue 3, rotation dead bolt 14, latch bolt 4 bounce back along with gear shifting block 81 and clockwise rotating of interior handle plectrum 82 subsequently, thereby realize opening.When opening outdoors, because outer handle rotating shaft 85 does not arrange the driver blade 20 of control shifting part 19, therefore the rotation of outer handle can not be opened the spacing of the movable limiting plate 10 of master lock tongue, thereby can't realize unblanking, and behind the movable limiting plates 10 of shifting block 121 unlatching master lock tongues on the needs dependence key rotation lock core 12, the outer handle of rotation retracts each dead bolt and realizes just now unblanking again, and then on the basis of improving the theftproof lock simple operation, has guaranteed theftproof performance.
Above-described embodiment is only for explanation the present invention's; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; in the situation that does not break away from the spirit and scope of the present invention; can also make a variety of changes and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.

Claims (9)

1. lock tongue double-fast anti-theft lock more than a kind, comprise housing (1) and lock panel (2), be provided with master lock tongue (3) in the housing, latch bolt (4), safety tongue (5), upper sliding valve (6), lower retainer (7), the handle for driving mechanism (8) that is connected with inside and outside handle, the master lock tongue toggle mechanism (9) that is connected with handle for driving mechanism, the movable limiting plate (10) of master lock tongue, the spacing clutch of master lock tongue (11) and lock core (12), it is characterized in that: the rotation dead bolt (14) that also is provided with two or two groups of band gears (13) in the housing (1), described upper sliding valve (6) and lower retainer (7) one sides be respectively equipped with rotate dead bolt with the tooth bar (15) that cooperates of gear (13) transmission, the inner end of described upper sliding valve (6) and lower retainer (7) is connected with master lock tongue toggle mechanism (9) respectively and makes rotation dead bolt (14) and described master lock tongue (3) form interlock, and rotation tongue torsion spring (16) is installed on the described rotation dead bolt (14).
2. many lock tongue double-fast anti-theft locks as claimed in claim 1, it is characterized in that: described rotation dead bolt (14) comprises semi-circular tongue (141) and center (142), center (142) is connected by spoke (143) with semi-circular tongue (141) one ends, described gear (13) is fixed on center (142) and upward and with center (142) is movably set on the locating shaft (24), the back-out direction of described rotation dead bolt (14) is identical with the overhanging direction of described master lock tongue (3) and latch bolt (4), and described lock panel (2) is provided with the lockhole (21) that cooperates with semi-circular tongue (141) openend.
3. many lock tongue double-fast anti-theft locks as claimed in claim 1 or 2, it is characterized in that: described handle for driving mechanism (8) includes gear shifting block (81), described master lock tongue toggle mechanism (9) comprises stirs tooth plate (91), the first alignment pin (92), the second alignment pin (93) and the chute (94) of being located at described housing (1) surfaces externally and internally, the first alignment pin (92) is installed in described gear shifting block (81) one sides, the second alignment pin (93) is installed in described master lock tongue (3) and upward and with described chute (94) is slidingly matched, describedly stir tooth plate (91) one end activities and be placed in the first alignment pin (92) and be in transmission connection with gear shifting block (81) tooth, the other end is movably set on the second alignment pin (93), and the inner end of described upper sliding valve (6) and lower retainer (7) is respectively equipped with the skewed slot (25) that is slidingly matched with the second alignment pin (93).
4. described many lock tongue double-fast anti-theft locks as claimed in claim 3, it is characterized in that: described handle for driving mechanism (8) also comprises inside and outside handle plectrum (82,83) and inside and outside handle rotating shaft (84,85), the interior outer face of described gear shifting block (81) is provided with groove (811), described inside and outside handle rotating shaft (84,85) be located at respectively in the corresponding groove, described inside and outside handle rotating shaft (84,85) formed by interior square cylinder (841) and two projections (842) of being symmetricly set on interior square cylinder outer wall surface, described groove (811) comprises the medial launder (812) that cooperates with interior square cylinder (841) and two side channels (813) that cooperate with two projections (842), and the circumferential lengths of described side channel (813) is greater than the circumferential lengths of described projection (842).
5. described many lock tongue double-fast anti-theft locks as claimed in claim 4, it is characterized in that: described inside and outside handle plectrum (82,83) be provided with the endoporus (821 identical with gear shifting block (81) upper groove shape, 831), described inside and outside handle plectrum (82,83) by endoporus (821 on it, 831) be coated at respectively inside and outside handle rotating shaft (84,85), described inside and outside handle plectrum (82,83) a end matches with described latch bolt (4) respectively, and the push rod (17) that the other end and of described interior handle plectrum (82) is movably arranged on the described master lock tongue (3) is connected.
6. many lock tongue double-fast anti-theft locks as claimed in claim 5, it is characterized in that: on the movable limiting plate of described master lock tongue (10) limiting plate torsion spring (18) is installed, the spacing clutch of described master lock tongue (11) comprises a shifting part (19) and a driver blade (20), described shifting part (19) one ends are hinged on the reference column (22) that is installed on described housing (1), spacing being connected from side of the other end and the movable limiting plate of described master lock tongue (10), have the endoporus (201) that is complementary with interior handle rotating shaft (84) circumferential profile shape on the described driver blade (20), described driver blade (20) is coated at described interior handle rotating shaft (84) upward by endoporus on it and is positioned between described gear shifting block (81) and the handle plectrum (82), and the hinged end of described driver blade (20) one ends and described shifting part (19) is connected.
7. many lock tongue double-fast anti-theft locks as claimed in claim 6, it is characterized in that: described lock core (12) is installed in the movable limiting plate of described master lock tongue (10) with respect to the opposite side of the spacing clutch of described master lock tongue (11), and described lock core (12) is provided with the shifting block (121) of opening the movable limiting plate of described master lock tongue (10).
8. many lock tongue double-fast anti-theft locks as claimed in claim 1 or 2, it is characterized in that: the tongue post on the described master lock tongue (3) is three or four.
9. many lock tongue double-fast anti-theft locks as claimed in claim 1 or 2 is characterized in that: described safety tongue (5) is by independently shifting component (51) control.
CN 200910223882 2009-11-25 2009-11-25 Multi-bolt double-quick burglarproof lock Expired - Fee Related CN102071844B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200910223882 CN102071844B (en) 2009-11-25 2009-11-25 Multi-bolt double-quick burglarproof lock

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Application Number Priority Date Filing Date Title
CN 200910223882 CN102071844B (en) 2009-11-25 2009-11-25 Multi-bolt double-quick burglarproof lock

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CN102071844A CN102071844A (en) 2011-05-25
CN102071844B true CN102071844B (en) 2013-03-20

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CN102182365B (en) * 2011-05-03 2016-05-04 罗保德 Safe-guard door lock
CN103216173B (en) * 2012-01-18 2015-03-25 永康市王力五金制造有限公司 Safe case
CN102900286B (en) * 2012-09-20 2014-11-05 李增榜 Lock body device of multi-point lock
CN103711381A (en) * 2014-01-11 2014-04-09 永康市易捷特电子科技有限公司 Mechanical anti-theft lock
CN104818907B (en) * 2015-04-07 2017-04-12 联程机械(宁波)有限公司 Mechanical linkage main lock
CN104790768B (en) * 2015-04-07 2017-01-04 联程机械(宁波)有限公司 A kind of mechanical linkage pair lock
CN104790769B (en) * 2015-04-07 2017-02-22 联程机械(宁波)有限公司 Mechanical linkage lock
CN106499267B (en) * 2016-12-22 2019-04-09 温州瓯海利尔达五金制品有限公司 A kind of multi-functional handle lock
CN207776594U (en) * 2017-12-13 2018-08-28 蒋凌帆 A kind of latch bolt component of uniform force
WO2020010483A1 (en) * 2018-07-09 2020-01-16 李翠雯 Lock tongue mechanism and lock tongue accommodating mechanism

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CN101349122A (en) * 2008-08-28 2009-01-21 曹湛斌 Positioning structure of semi-circular ring-shaped lock dead bolt

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EP0378758A2 (en) * 1989-01-18 1990-07-25 Carl Fuhr GmbH & Co. Espagnolette lock
CN2296395Y (en) * 1997-04-29 1998-11-04 潘建 Anti-pry safety door
CN2695562Y (en) * 2004-05-28 2005-04-27 方宝林 Doorframe mounted intelligent anti-theft lock with rotation and whole retraction bolt
DE102005039958A1 (en) * 2005-08-24 2007-03-15 Wilka Schließtechnik GmbH Connecting rod lock, has transfer gear wheels with toothing-free circumferential section for slew past of closure unit, and angular gear including toothing lying in turning circle of closure unit
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CN2931702Y (en) * 2006-06-06 2007-08-08 光阳工业股份有限公司 On-off device of motorcycle cushion
CN101349122A (en) * 2008-08-28 2009-01-21 曹湛斌 Positioning structure of semi-circular ring-shaped lock dead bolt

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