CN110242121B - Motor type snap lock - Google Patents

Motor type snap lock Download PDF

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Publication number
CN110242121B
CN110242121B CN201811172274.3A CN201811172274A CN110242121B CN 110242121 B CN110242121 B CN 110242121B CN 201811172274 A CN201811172274 A CN 201811172274A CN 110242121 B CN110242121 B CN 110242121B
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CN
China
Prior art keywords
gear
lock
lock tongue
box seat
connecting plate
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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.)
Active
Application number
CN201811172274.3A
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Chinese (zh)
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CN110242121A (en
Inventor
姚春良
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Ningbo Shengjiu Technology Co ltd
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Ningbo Shengjiu Technology Co ltd
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 Ningbo Shengjiu Technology Co ltd filed Critical Ningbo Shengjiu Technology Co ltd
Priority to CN201811172274.3A priority Critical patent/CN110242121B/en
Publication of CN110242121A publication Critical patent/CN110242121A/en
Application granted granted Critical
Publication of CN110242121B publication Critical patent/CN110242121B/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/48—Hasp locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B2047/0048—Circuits, feeding, monitoring
    • E05B2047/0067—Monitoring

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a motor type snap lock, which is designed for solving the technical problem of false signal in the existing similar products. The locking bolt at the opening of the locking bolt at one side of the box seat of the hasp lock is provided with a second torsion spring, one end of the locking bolt is provided with a U-shaped locking groove, the length of the inner side end of the locking groove is longer than that of the outer side end, one end of the hasp below the inner side end of the locking groove at the other end of the locking bolt is propped against the locking bolt, and a triggering piece of the first micro switch is propped against the tail end of the top of the inner side end of the locking bolt; the gear assembly is characterized in that a connecting plate below the other end of the lock catch is abutted against the lock catch, a first torsion spring is arranged on the lock catch hinged to the box seat in a swinging mode, three protruding columns are arranged on one circular surface of the second gear side of the gear assembly, one protruding column is abutted against the connecting plate, one protruding column corresponding to the bottom is abutted against a trigger piece of the third micro switch, a worm of a motor shaft is meshed with the fourth gear, and a contact column head extending in an L shape on one side of the first micro switch of the supporting rod is abutted against the trigger piece of the second micro switch, so that signals of the gear assembly are more accurate.

Description

Motor type snap lock
Technical Field
The invention relates to a hasp lock, in particular to a motor type hasp lock.
Background
The hasp lock is a lock for locking the lock tongue by striking, and is widely applied to metal cabinet doors in the industries of telecommunication, electric power, automatic control and manufacturing and the like; the existing hasp locks on the domestic market can be called five-flower eight doors, and the electromagnetic drive locks and the motor drive locks are of all kinds, such as application number 201420392944.3 disclosed in Chinese patent literature, authorized bulletin date 2014.12.03, and the utility model name is an electromechanical dual-purpose hidden hasp; further, as disclosed in chinese patent document, application number 201720420997.5, authorized bulletin day 2017.12.12, the name of the utility model "motor lock"; however, the products and the like still have the condition of false alarm signals, namely the condition that the door is not locked and the signal shows that the door is locked occurs.
Disclosure of Invention
The invention aims to provide a motor type snap lock for solving the technical problem of false signal in the existing similar products. The aim is achieved by the following technical scheme.
A box seat and a box cover of the motor type snap lock are buckled to form a shell, an outer hexagonal copper sleeve nut is arranged in a mounting hole of the box seat, and a motor, a worm, a first gear, a second gear, a third gear, a fourth gear, a first micro switch, a third micro switch, a connecting plate and a circuit board are arranged in the box seat; one side of box seat is equipped with the spring bolt opening, be equipped with the spring bolt in the box seat of spring bolt opening part, one side locating hole department of spring bolt is equipped with the second torsional spring, the one end of spring bolt is equipped with the locked groove that is the U font, the inboard end length of locked groove is greater than the length of outside end, the locked groove outside end and the knot hole lock of fixed knot of spring bolt, the locked groove inside end below of the spring bolt other end is equipped with the hasp, and the one end and the spring bolt of hasp offset, the one end and the locked groove inside end external diameter of spring bolt of second torsional spring offset, the other end and the inner wall of box seat offset, the trigger piece of first micro-gap switch offsets with the top end of the inside end of spring bolt, realize the accurate output of this hasp lock operating condition signal. The key point of the structural design is that a connecting plate is arranged below the other end of the lock catch, the connecting plate abuts against the lock catch, one side of the lock catch between the connecting plate and the lock tongue swings and hinges on the box seat, a first torsion spring is arranged at the hinge joint, a protruding column is arranged on one side of the second gear, the protruding column of the second gear abuts against the connecting plate, accordingly, when the second gear rotates, the protruding column of the second gear abuts against the connecting plate, sliding of the connecting plate is achieved, the connecting plate pushes the lock catch to swing, the lock tongue is driven to rotate, and unlocking of the lock tongue is achieved. The round surface of the other side of the bottom of the second gear is also provided with the protruding column, and the protruding column at the bottom of the second gear is propped against the trigger piece of the third micro switch; therefore, the protruding column at the bottom of the second gear is used for triggering the triggering piece of the third micro switch, so that the third micro switch is triggered while the connecting plate is pushed by the rotation of the third gear; the motor shaft of the motor is provided with a worm which is meshed with a fourth gear, the fourth gear is meshed with a third gear, a gear shaft of the third gear is provided with a first gear, the first gear is meshed with a second gear, and the first micro switch, the third micro switch and the motor are connected with a circuit board in the box seat through circuits. Therefore, the locking device is driven by the motor to slide up and down, the connecting plate drives the lock catch to swing, unlocking of the lock catch to the lock tongue is achieved, the lock tongue can reset after being impacted and rotated by the second torsion spring, unlocking of the locking device is achieved, and unlocking state signals of the locking device are broadcasted through the third micro switch and the first micro switch.
The box seat is internally provided with a supporting rod with a U-shaped opening at one end, the other end of the supporting rod is propped against a spring in the box seat, and the inner side end of a lock tongue at the opening of the lock tongue of the box seat is positioned in one end of the opening of the supporting rod. When the lock tongue rotates outwards in the unlocking state, the stay bar is kept in a propping state with the lock tongue through the spring, the stay bar is used for further locking and opening between the hasp lock and the door frame, the swing of two sides of the lock tongue is limited, and the lock tongue is prevented from being forced to rotate by extending into the lock tongue through a tool.
One side of the first micro switch of the supporting rod is provided with an L-shaped extending contact column head, the contact column head of the supporting rod is propped against the trigger piece of the second micro switch, and the second micro switch is arranged on the circuit board. Thereby further realizing the accurate output of the working state signal of the hasp lock through the second micro switch.
The utility model discloses a lock tongue, including lock tongue, support rod, first micro-gap switch, second micro-gap switch, the lock tongue, the support rod one end of lock tongue is equipped with to the bellied oblique pointed end in support rod one side, and the oblique pointed end of lock tongue offsets with the U font catching groove opening one end of support rod, and the first micro-gap switch one end of lock tongue is equipped with to the bellied side trigger end in support rod one side, and the top of side trigger end is equipped with to the trigger end to one side, and the swing pin joint of lock tongue is located the U font catching groove below of lock tongue. The above is a specific structural embodiment of the locking bolt.
The round surface on one side of the second gear is provided with three protruding columns which are distributed in an isosceles triangle shape by taking the gear shaft as the center, one protruding column of the second gear is propped against the end angle extending out of one side of the connecting plate, and the sliding grooves on two sides of the bottom of the connecting plate are buckled with the sliding plate corresponding to the box seat; the round surface of the other side of the bottom of the second gear is provided with three protruding columns corresponding to the protruding columns, and one protruding column at the bottom of the second gear is propped against the trigger piece of the third micro switch. When the second gear rotates, three protruding columns on one side of the second gear are propped against the connecting plate when rotating, the connecting plate slides, the connecting plate pushes the lock catch to swing, the lock tongue is driven to rotate, unlocking is achieved by the lock tongue, the three protruding columns on the bottom of the second gear are used for triggering the triggering piece of the third micro switch, and the third micro switch is triggered when the second gear rotates one third of a circle.
One end of the connecting plate of the lock catch is extended to be attached to the sliding plate of the box seat and the outer side of the edge of the sliding groove of the connecting plate is bent downwards and then extends out of the manual opening of the box seat. Therefore, the structure is designed for manual unlocking of the lock catch, the lock catch is convenient to drive the lock tongue to move in a mode of manually pulling the lock catch to unlock, namely, the lock tongue can be separated from the propped part of the lock catch by manually pushing the end of the lock catch to move upwards.
The fixed knot is the bent metal sheet in knot hole department after the punching press of one end, and the knot Kong Naban body that the punching press crooked one side was left is equipped with the mounting hole, and the other end of fixed knot also is equipped with the mounting hole. The above structure is an improved structure and specific embodiment of the fixing buckle.
The invention has reasonable structural design, convenient use and assembly, good safety and stability, accurate signal broadcasting, convenient remote monitoring and manual and automatic modes; the door lock is suitable for being used as a door lock of a control equipment screen and a control cabinet and the structural improvement of similar products.
Drawings
Fig. 1 is a schematic view of the main internal structure of the present invention, and the cover is omitted.
Fig. 2 is a schematic diagram of the main internal structure of fig. 1.
Fig. 3 is a schematic elevational view of the structure of fig. 1.
Fig. 4 is a schematic view of the external structure of fig. 1, in which the fastening structure is modified.
Fig. 5 is a rear structural schematic view of fig. 4.
Figure number and name: 1. the fixing buckle comprises a fixing buckle body, 2, a lock tongue, 3, a first micro switch, 4, a stay bar, 401, a contact post head, 5, a second micro switch, 6, a circuit board, 7, a spring, 8, an outer hexagonal copper sleeve nut, 9, a lock catch, 10, a first gear, 11, a second gear, 1101, a protruding post, 12, a connecting plate, 13, a third micro switch, 14, a third gear, 15, a fourth gear, 16, a worm, 17, a motor, 18, a box seat, 19, a first torsion spring, 20, a second torsion spring, 21 and a box cover.
Detailed Description
The construction and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1-5, a box seat 18 and a box cover 21 of the snap lock are buckled to form a shell, an outer hexagonal copper sleeve nut 8 is arranged in a mounting hole of the box seat, and a motor 17, a worm 16, a first gear 10, a second gear 11, a third gear 14, a fourth gear 15, a first micro switch 3, a second micro switch 5, a third micro switch 13, a connecting plate 12 and a circuit board 6 are arranged in the box seat; a lock tongue opening is formed in one side of the box seat, a lock tongue 2 is arranged in the box seat at the lock tongue opening, a second torsion spring 20 is arranged at a positioning hole at one side of the lock tongue, a U-shaped locking groove is formed in one end of the lock tongue, the length of the inner side end of the locking groove is larger than that of the outer side end of the locking groove, the outer side end of the locking groove of the lock tongue is buckled with a buckling hole of the fixed buckle 1, a lock catch 9 is arranged below the inner side end of the locking groove at the other end of the lock tongue, one end of the lock catch abuts against the lock tongue, one end of the second torsion spring abuts against the outer diameter of the inner side end of the locking groove of the lock tongue, the other end of the second torsion spring abuts against the inner wall of the box seat, and a trigger piece of the first micro switch abuts against the top end of the inner side end of the lock tongue 2; a connecting plate is arranged below the other end of the lock catch, the connecting plate abuts against the lock catch, one side of the lock catch between the connecting plate and the lock tongue is hinged to the box seat in a swinging way, a first torsion spring 19 is arranged at the hinged position, protruding columns 1101 which are distributed in an isosceles triangle shape by taking the gear shaft as the center are arranged on the round surface on one side of the second gear, one protruding column of the second gear abuts against an end angle extending out of one side of the connecting plate, and sliding grooves on two sides of the bottom of the connecting plate are buckled with sliding plates corresponding to the box seat; the round surface of the other side of the bottom of the second gear is provided with three protruding columns corresponding to the protruding columns, and one protruding column at the bottom of the second gear is propped against the trigger piece of the third micro switch. The motor shaft of the motor is provided with a worm 16 which is meshed with a fourth gear, the fourth gear is meshed with a third gear, the gear shaft of the third gear is provided with a first gear, and the first gear is meshed with a second gear. The box seat is also internally provided with a stay bar 4 with a U-shaped opening at one end, the other end of the stay bar is propped against a spring 7 in the box seat, and the inner side end of a lock tongue at the opening of the lock tongue of the box seat is positioned in one end of the opening of the stay bar; one side of the first micro switch of the supporting rod is provided with an L-shaped extending contact column head 401, and the contact column head of the supporting rod is propped against the trigger piece of the second micro switch. One end of a supporting rod of the lock tongue is provided with an inclined tip protruding towards one side of the supporting rod, the inclined tip of the lock tongue is propped against one end of a U-shaped buckling groove opening of the supporting rod, one end of a first micro switch of the lock tongue is provided with a side trigger end protruding towards one side of the supporting rod, the top of the side trigger end is provided with an inclined trigger end, and a swing hinge point of the lock tongue is located below the U-shaped buckling groove of the lock tongue. One end of the connecting plate of the lock catch is extended to be attached to the sliding plate of the box seat and the outer side of the edge of the sliding groove of the connecting plate is bent downwards and then extends out of the manual opening of the box seat. As shown in fig. 4 and 5, the fixing buckle is a metal plate with one end being punched and then bent at the buckle hole, a buckle Kong Naban body left on one side of the punched and bent is provided with a mounting hole, and the other end of the fixing buckle is also provided with the mounting hole.
The specific working principle is as follows: the motor drives the connecting plate to move upwards through the protruding column of the second gear, the second gear rotates and triggers the third micro switch, the connecting plate pushes the lock catch to rotate, the other end of the lock catch is separated from the joint of the lock catch and the lock tongue, and the lock catch can freely rotate through the first torsion spring to unlock; at the moment, the lock tongue is buckled with the fixed buckle through impact, namely the outer end of the lock tongue is propped against the fixed buckle, the outer end of the lock tongue is inserted into a buckling hole at one end of the fixed buckle, and the stay bar is retracted inwards and then reset to realize locking; simultaneously, the inboard end of spring bolt triggers first micro-gap opening, and the vaulting pole triggers second micro-gap switch, and gear assembly's second gear continues to rotate, and the projection post of second gear breaks away from with the link plate, and the hasp resets through first torsional spring, and the one end of spring bolt and the U font catching groove opening lock of hasp, and the hasp promotes the link plate to reset, and this hasp lock can't be opened. The signal designed by the invention is accurate, is suitable for the electromagnetic drive type snap lock of a platform with short power-on time, is used for replacing the electromagnetic snap lock on the market, and is particularly suitable for the electromagnetic snap lock of the platform with the power-on time of more than 200 milliseconds.

Claims (3)

1. A box seat (18) and a box cover (21) of the motor type snap lock are buckled to form a shell, an outer hexagonal copper sleeve nut (8) is arranged in a mounting hole of the box seat, and a motor (17), a worm (16), a first gear (10), a second gear (11), a third gear (14), a fourth gear (15), a first micro switch (3), a third micro switch (13), a connecting plate (12) and a circuit board (6) are arranged in the box seat; a lock tongue opening is formed in one side of the box seat, a lock tongue (2) is arranged in the box seat at the lock tongue opening, a second torsion spring (20) is arranged at a positioning hole on one side of the lock tongue, a U-shaped lock groove is formed in one end of the lock tongue, the length of the inner side end of the lock groove is larger than that of the outer side end, the outer side end of the lock groove of the lock tongue is buckled with a buckling hole of a fixed buckle (1), a lock catch (9) is arranged below the inner side end of the lock groove at the other end of the lock tongue, one end of the lock catch is propped against the lock tongue, one end of the second torsion spring is propped against the outer diameter of the inner side end of the lock groove of the lock tongue, the other end of the second torsion spring is propped against the inner wall of the box seat, and a trigger piece of the first micro switch is propped against the top end of the inner side end of the lock tongue (2); the novel lock catch is characterized in that a connecting plate (12) is arranged below the other end of the lock catch (9), the connecting plate abuts against the lock catch, one side of the lock catch between the connecting plate and the lock tongue (2) is hinged to a box seat (18) in a swinging mode, a first torsion spring (19) is arranged at the hinge position, a protruding column (1101) is arranged on one side circular surface of the second gear (11), the protruding column of the second gear abuts against the connecting plate (12), the protruding column is also arranged on the other side circular surface of the bottom of the second gear, and the protruding column at the bottom of the second gear abuts against a trigger piece of the third micro switch (13); a motor shaft of the motor (17) is provided with a worm (16), the worm is meshed with a fourth gear (15), the fourth gear is meshed with a third gear (14), a gear shaft of the third gear is provided with a first gear (10), and the first gear is meshed with a second gear; a supporting rod (4) with a U-shaped opening at one end is further arranged in the box seat (18), the other end of the supporting rod is propped against a spring (7) in the box seat, and the inner side end of a lock tongue (2) at the opening of the lock tongue of the box seat is positioned in one end of the opening of the supporting rod; one side of the supporting rod (4) close to the first micro switch (3) is provided with an L-shaped extending contact column head (401), and the contact column head of the supporting rod is propped against the trigger piece of the second micro switch (5); one end of the lock tongue (2) close to the stay bar (4) is provided with an inclined tip protruding towards one side of the stay bar, the inclined tip of the lock tongue is propped against one end of the opening of the U-shaped buckling groove of the stay bar, one end of the first microswitch (3) of the lock tongue is provided with a side trigger end protruding towards one side of the stay bar, the top of the side trigger end is provided with an inclined trigger end, and a swing hinge point of the lock tongue is positioned below the U-shaped buckling groove of the lock tongue; three protruding columns (1101) which are distributed in an isosceles triangle shape by taking a gear shaft as a center are arranged on a circular surface on one side of the second gear (11), one protruding column of the second gear is propped against an end angle extending out of one side of the connecting plate (12), and sliding grooves on two sides of the bottom of the connecting plate are buckled with sliding plates corresponding to the box seat (18); the round surface of the other side of the bottom of the second gear is provided with three protruding columns corresponding to the protruding columns, and one protruding column at the bottom of the second gear is propped against a trigger piece of the third micro switch (13).
2. A motor type snap lock according to claim 1, characterized in that the end of the lock catch (9) close to the connecting plate (12) is extended to fit with the sliding plate of the box seat (18) and the outer side of the sliding groove edge of the connecting plate is bent downwards and then extends out of the manual opening of the box seat.
3. The motor type snap lock according to claim 1, wherein the fixing buckle (1) is a metal plate with one end punched and then bent at the buckle hole, a buckle Kong Naban body left on one side of the punched and bent is provided with a mounting hole, and the other end of the fixing buckle is also provided with the mounting hole.
CN201811172274.3A 2018-10-09 2018-10-09 Motor type snap lock Active CN110242121B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811172274.3A CN110242121B (en) 2018-10-09 2018-10-09 Motor type snap lock

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811172274.3A CN110242121B (en) 2018-10-09 2018-10-09 Motor type snap lock

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CN110242121A CN110242121A (en) 2019-09-17
CN110242121B true CN110242121B (en) 2024-06-07

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110965861A (en) * 2020-01-15 2020-04-07 烟台东方威思顿电气有限公司 Safety module on power grid metering terminal
IT202000000940A1 (en) * 2020-01-20 2021-07-20 Bitron Spa Door lock device to lock the door of an appliance.

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Publication number Priority date Publication date Assignee Title
EP0280845A2 (en) * 1987-03-06 1988-09-07 Fritz Fuss GmbH & Co. Lock
JPH0842223A (en) * 1994-08-02 1996-02-13 Niles Parts Co Ltd Door lock actuator with dead lock mechanism
KR200382919Y1 (en) * 2005-01-31 2005-04-27 주식회사 하이시큐어 A Structure of a Door Lock for Detecting Door Closing and a Strike Assembly for a Door Lock Detecting Door Closing
KR20110054561A (en) * 2009-11-18 2011-05-25 인규환 Digital locking apparatus
CN203978024U (en) * 2014-05-13 2014-12-03 张致齐 A kind of locked groove that can start warning device
CN104295160A (en) * 2014-07-30 2015-01-21 薛恒伟 Embedded rotary lock without lock hole
CN205116975U (en) * 2015-11-17 2016-03-30 浙江宏泰电子设备有限公司 No lockhole security door lock
CN105464482A (en) * 2016-01-22 2016-04-06 南京东屋电气有限公司 Clamping plate lock
CN105649425A (en) * 2014-11-11 2016-06-08 重庆尊来科技有限责任公司 Security combiner
CN106460412A (en) * 2014-05-07 2017-02-22 模帝乐技术有限公司 Electromechanical lock assembly
CN107227903A (en) * 2017-06-28 2017-10-03 重庆怡海科技发展有限公司 The tongue of Contact Transmission formula three is locked and vehicle
CN207092744U (en) * 2017-06-20 2018-03-13 苏州旭泽华电子科技有限公司 A kind of intelligent express delivery cabinet door lock
CN209620899U (en) * 2018-10-09 2019-11-12 宁波生久柜锁有限公司 Motor hasp lock

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Publication number Priority date Publication date Assignee Title
JP6180806B2 (en) * 2013-06-13 2017-08-16 ナブテスコ株式会社 Door opener

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0280845A2 (en) * 1987-03-06 1988-09-07 Fritz Fuss GmbH & Co. Lock
JPH0842223A (en) * 1994-08-02 1996-02-13 Niles Parts Co Ltd Door lock actuator with dead lock mechanism
KR200382919Y1 (en) * 2005-01-31 2005-04-27 주식회사 하이시큐어 A Structure of a Door Lock for Detecting Door Closing and a Strike Assembly for a Door Lock Detecting Door Closing
KR20110054561A (en) * 2009-11-18 2011-05-25 인규환 Digital locking apparatus
CN106460412A (en) * 2014-05-07 2017-02-22 模帝乐技术有限公司 Electromechanical lock assembly
CN203978024U (en) * 2014-05-13 2014-12-03 张致齐 A kind of locked groove that can start warning device
CN104295160A (en) * 2014-07-30 2015-01-21 薛恒伟 Embedded rotary lock without lock hole
CN105649425A (en) * 2014-11-11 2016-06-08 重庆尊来科技有限责任公司 Security combiner
CN205116975U (en) * 2015-11-17 2016-03-30 浙江宏泰电子设备有限公司 No lockhole security door lock
CN105464482A (en) * 2016-01-22 2016-04-06 南京东屋电气有限公司 Clamping plate lock
CN207092744U (en) * 2017-06-20 2018-03-13 苏州旭泽华电子科技有限公司 A kind of intelligent express delivery cabinet door lock
CN107227903A (en) * 2017-06-28 2017-10-03 重庆怡海科技发展有限公司 The tongue of Contact Transmission formula three is locked and vehicle
CN209620899U (en) * 2018-10-09 2019-11-12 宁波生久柜锁有限公司 Motor hasp lock

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