CN111364841B - Intelligent drum brake lock with emergency lock safety protection function - Google Patents

Intelligent drum brake lock with emergency lock safety protection function Download PDF

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Publication number
CN111364841B
CN111364841B CN202010339563.9A CN202010339563A CN111364841B CN 111364841 B CN111364841 B CN 111364841B CN 202010339563 A CN202010339563 A CN 202010339563A CN 111364841 B CN111364841 B CN 111364841B
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CN
China
Prior art keywords
lock
emergency
drum brake
pressure spring
connecting piece
Prior art date
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Active
Application number
CN202010339563.9A
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Chinese (zh)
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CN111364841A (en
Inventor
应鸿峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taizhou Bodyguard Lock Co ltd
Original Assignee
Taizhou Bodyguard Lock Co ltd
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Filing date
Publication date
Application filed by Taizhou Bodyguard Lock Co ltd filed Critical Taizhou Bodyguard Lock Co ltd
Priority to CN202010339563.9A priority Critical patent/CN111364841B/en
Publication of CN111364841A publication Critical patent/CN111364841A/en
Application granted granted Critical
Publication of CN111364841B publication Critical patent/CN111364841B/en
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    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
    • B62H5/00—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles
    • B62H5/14—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation
    • B62H5/18—Appliances preventing or indicating unauthorised use or theft of cycles; Locks integral with cycles preventing wheel rotation acting on a braking device
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00—Accessories in connection with locks
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B45/00—Alarm locks
    • E05B45/06—Electric alarm locks
    • E05B45/08—Electric alarm locks with contact making inside the lock or in the striking plate
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B49/00—Electric permutation locks; Circuits therefor ; Mechanical aspects of electronic locks; Mechanical keys therefor
    • 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
    • E05B2047/0014—Constructional features of actuators or power transmissions therefor
    • E05B2047/0018—Details of actuator transmissions
    • E05B2047/002—Geared transmissions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Abstract

The invention discloses an intelligent drum brake lock with emergency lock safety protection, and mainly relates to the field of intelligent drum brake locks. Including the drum casing of stopping, be equipped with lockpin executive device, drive assembly in the drum casing of stopping, the one end of drum casing of stopping is equipped with the emergent lock that suits with lockpin executive device, lockpin executive device includes the rack case, the upside of rack case is equipped with the connecting piece, the bottom of connecting piece is equipped with the slider along the length direction of rack case, the top of rack case is equipped with the second spout that suits with the slider, the pressure spring installation cavity on the slider, be equipped with the pressure spring in the pressure spring installation cavity, the external diameter of pressure spring is greater than the width of slider, be equipped with the mounting groove that suits with the pressure spring in the second spout, be equipped with the lockpin on the connecting piece along the length direction of second spout. The invention has the beneficial effects that: the safety lock has the characteristics of safety and reliability in running, and can monitor the state of the lock pin in real time, thereby ensuring personal safety.

Description

Intelligent drum brake lock with emergency lock safety protection function
Technical Field
The invention relates to the field of intelligent drum brake locks, in particular to an intelligent drum brake lock with emergency lock safety protection.
Background
The intelligent drum brake lock with the emergency lock safety protection is one of intelligent drum brake locks, is widely applied to the electric vehicle industry, and has a certain anti-theft effect. However, the intelligent drum brake lock in the prior art still has the following defects: the existing intelligent drum brake lock only controls the on-off action of the lock pin to achieve the functions of unlocking and locking, but the safety problem is only to protect the lock pin in a control circuit, the lock pin is not in a real-time state in monitoring, if the lock pin moves in a dislocation mode in the running process of a vehicle, a certain risk is brought to the running safety, and personal safety accidents can be caused once the lock pin is out of control. In addition, the lockhole of the emergent lock on the existing intelligent drum brake lock is not subjected to full-closed design, waterproof and silt-proof performances are poor, and the lockhole is easy to enter silt to cause unlocking failure and the like.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an intelligent drum brake lock with emergency lock safety protection, which has the characteristics of safe and reliable running, can monitor the state of a lock pin in real time and ensures personal safety.
The invention aims to achieve the aim, and the aim is achieved by the following technical scheme:
the intelligent drum brake lock with the emergency lock safety protection comprises a drum brake shell, wherein a lock pin executing device and a driving assembly for providing driving force for the lock pin executing device are arranged in the drum brake shell, the driving assembly comprises a stepping motor and a control circuit, one end of the drum brake shell is provided with the emergency lock which is adaptive to the lock pin executing device, the driving assembly is provided with a driving gear, the lock pin executing device comprises a rack box, the outer wall of the rack box is horizontally provided with a rack meshed with the driving gear, the drum brake shell is provided with a first chute which is adaptive to the rack box, the rack box is in sliding connection with the first chute, the upper side of the rack box is provided with a connecting piece, the bottom of the connecting piece is provided with a sliding block along the length direction of the rack box, the top of the rack box is provided with a second chute which is adaptive to the sliding block, the second chute horizontally penetrates the rack box, the sliding block is provided with a pressure spring mounting cavity penetrating through the sliding block along the width direction of the sliding block, a pressure spring is arranged in the pressure spring mounting cavity, the outer diameter of the pressure spring is larger than the width of the sliding block, a mounting groove which is matched with the pressure spring is arranged in the second sliding groove, the length of the mounting groove is equal to that of the pressure spring mounting cavity, the part of the pressure spring which extends out of the pressure spring mounting cavity is positioned in the mounting groove, the end part of the pressure spring is abutted against the corresponding end of the mounting groove, the connecting piece is provided with a lock pin along the length direction of the second sliding groove, the drum brake shell is provided with a lock pin sliding groove which is matched with the lock pin, the bottom of the lock pin is provided with an emergency unlocking column, the emergency lock comprises an emergency lock cam, the end part of the emergency lock cam is provided with a trapezoid sliding way which is matched with the emergency unlocking column, one end of the first sliding groove is provided with a safety signal switch, the one end that the safety signal switch is close to the connecting piece is equipped with shift knob, the one end that the connecting piece is close to the safety signal switch is shift knob trigger end, one pin of safety signal switch is connected with one of them a set of coil in the step motor, and another pin is connected with another set of coil in the step motor.
Preferably, a cover plate which is matched with the lock pin executing device is arranged on the drum brake shell.
Preferably, one end of the driving assembly is provided with a lead anti-sediment rubber ring, the lead anti-sediment rubber ring is provided with a lead penetrating hole, and the lead anti-sediment rubber ring is inlaid on the drum brake shell and penetrates through the drum brake shell.
Preferably, one end of the emergency lock head, which is far away from the emergency lock cam, is provided with a rubber sediment-proof cover.
Preferably, one end of the emergency lock cam, which is far away from the trapezoid slide way, is provided with a connection square hole, and the end part of the emergency lock head is provided with a connection square head which is matched with the connection square hole.
Preferably, the stepping motor is in transmission connection with the driving gear through a gear set, and the stepping motor, the driving gear and the gear set are all positioned in the shell.
Preferably, the emergency unlocking column is located in the middle of the bottom of the lock pin.
Preferably, one end of the lock pin is provided with two connecting holes, and the connecting piece is provided with a connecting column which is matched with the connecting holes.
Preferably, the safety signal switch is a waterproof switch.
Compared with the prior art, the invention has the beneficial effects that:
the driving assembly is in transmission connection with the rack box through the driving gear and the rack, and drives the driving gear to rotate, so that the rack box can be driven to slide along the first sliding groove; the left end of the pressure spring is simultaneously abutted with the left ends of the pressure spring mounting cavity and the mounting groove, and the right end of the pressure spring is simultaneously abutted with the right ends of the pressure spring mounting cavity and the mounting groove, so that the connecting piece can slide along with the rack box; the connecting piece can also slide along a second sliding groove on the rack box, and when the connecting piece slides on the rack box, the pressure spring is compressed; when the driving assembly drives the rack box to slide, the connecting piece slides along with the rack box, and can drive the lock pin to extend or retract into the lock pin sliding groove to finish locking or unlocking; the emergency lock is used for emergency unlocking, the emergency unlocking column is inserted into the trapezoidal slide way of the emergency lock cam and is abutted against the trapezoidal slide way, the emergency lock head is rotated, the emergency lock cam is rotated by 180 degrees to enable the trapezoidal slide way to generate up-down drop to drive the emergency unlocking column to horizontally move, and then the lock pin is driven to slide, so that the aim of forcedly unlocking the lock in emergency is fulfilled; the safety signal switch is a normally open switch, the purpose of safe running is achieved by utilizing the on-off of the safety signal switch, in an unlocking state, the lock pin presses the switch button, the safety signal switch is closed, a control circuit acquires the closing state of the safety signal switch, the control circuit automatically opens a power supply, the electric vehicle runs normally, in the running process, if the lock pin abnormally does not press the switch button, the safety signal switch is opened, the control circuit immediately turns off the power supply, and simultaneously gives an alarm sound, so that the personal safety is ensured; the state of the lock pin can be monitored in real time, and the safety and reliability in running are ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a schematic illustration of FIG. 1 with the cover plate removed;
FIG. 4 is a schematic illustration of FIG. 2 with the cover plate removed;
FIG. 5 is a third perspective view of the cover plate removed according to the present invention;
FIG. 6 is a schematic structural view of a drum brake housing;
FIG. 7 is a schematic illustration of the position between the latch actuator and the safety signal switch;
FIG. 8 is a schematic diagram of the positions of the lock pin actuator, the safety signal switch, and the drive assembly in a bottom view;
FIG. 9 is a schematic view of the structure of the rack housing;
FIG. 10 is a schematic view of the internal structure of the housing;
FIG. 11 is a schematic view of the structure of the panic lock;
FIG. 12 is an exploded view of the panic lock;
FIG. 13 is a schematic view of the structure of the connector;
fig. 14 is a schematic view of a connection structure between the connecting member and the compression spring;
FIG. 15 is a schematic view of the structure of the locking pin;
fig. 16 is a schematic view of the installation of the compression spring;
FIG. 17 is a schematic view of the position between the locking pin and the panic lock;
fig. 18 is a schematic diagram of a safety protection operating circuit.
The reference numbers in the drawings:
1. a drum brake housing; 11. a first chute; 12. a lock pin chute;
2. a lock pin executing device; 21. a rack box; 22. a rack; 23. a second chute; 24. a mounting groove;
3. a drive assembly; 31. a stepping motor; 32. a drive gear; 33. a housing;
4. an emergency lock; 41. an emergency lock; 42. an emergency lock cam; 43. a trapezoidal slideway; 44. a rubber silt-proof cover; 45. connecting square holes; 46. connecting square heads;
5. a connecting piece; 51. a slide block; 52. a compression spring mounting cavity; 53. a pressure spring; 54. a locking pin; 55. an emergency unlocking column; 56. a connection hole; 57. a connecting column;
6. a safety signal switch; 61. a switch button;
7. a cover plate;
8. the lead is a silt-proof rubber ring.
Detailed Description
The invention will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present invention and are not intended to limit the scope of the present invention. Further, it will be understood that various changes or modifications may be made by those skilled in the art after reading the teachings of the invention, and such equivalents are intended to fall within the scope of the invention as defined herein.
Examples: as shown in fig. 3, 4 and 5, the intelligent drum brake lock with emergency lock safety protection comprises a drum brake shell 1, wherein the drum brake shell 1 can adopt an aluminum shell, a lock pin executing device 2 and a driving assembly 3 for providing driving force for the lock pin executing device 2 are arranged in the drum brake shell 1, the driving assembly 3 comprises a shell 33, a stepping motor 31 and a control circuit, preferably, because the driving assembly needs external wiring, holes are formed in the drum brake shell, in order to prevent sediment from entering an inner cavity of the drum brake lock, one end of the driving assembly 3 is provided with a lead sediment-proof rubber ring 8, a lead penetrating hole is formed in the lead sediment-proof rubber ring 8, and the lead sediment-proof rubber ring 8 is embedded on the drum brake shell 1 and penetrates through the drum brake shell 1. An emergency lock 4 which is matched with the lock pin actuating device 2 is arranged at one end of the drum brake shell 1. As shown in fig. 8, the driving assembly 3 is provided with a driving gear 32, the lock pin executing device 2 comprises a rack box 21, the outer wall of the rack box 21 is horizontally provided with a rack 22 meshed with the driving gear 32, further, as shown in fig. 10, the stepping motor 31 is in transmission connection with the driving gear 32 through a gear set, and the stepping motor 31, the driving gear 32 and the gear set are all located in a shell 33, so that sufficient power can be provided for movement of the rack 22. As shown in fig. 6, the drum brake housing 1 is provided with a first chute 11 corresponding to the rack box 21 and a driving assembly mounting groove corresponding to the driving assembly 3, the length of the first chute 11 is greater than that of the rack box 21, the rack box 21 is slidably connected with the first chute 11, and the rack box 21 can slide in the first chute 11. As shown in fig. 7, the upper side of the rack box 21 is provided with a connecting piece 5, as shown in fig. 13, the bottom of the connecting piece 5 is provided with a sliding block 51 along the length direction of the rack box 21, as shown in fig. 9, the top of the rack box 21 is provided with a second sliding groove 23 which is adaptive to the sliding block 51, the second sliding groove 23 horizontally penetrates through the rack box 21, the sliding block 51 is provided with a pressure spring mounting cavity 52 which penetrates through the sliding block 51 along the width direction of the sliding block 51, the pressure spring mounting cavity 52 is internally provided with a pressure spring 53, the outer diameter of the pressure spring 53 is larger than the width of the sliding block 51, preferably, the pressure spring 53 is made of stainless wire, the corrosion resistance is strong, the service life is long, and the performance is stable and reliable. The second chute 23 is internally provided with a mounting groove 24 adapted to the pressure spring 53, the length of the mounting groove 24 is equal to that of the pressure spring mounting cavity 52, the part of the pressure spring 53 extending out of the pressure spring mounting cavity 52 is positioned in the mounting groove 24, the end of the pressure spring 53 is abutted to the corresponding end of the mounting groove 24, as shown in fig. 16, the left end of the pressure spring 53 is simultaneously abutted to the left end of the mounting groove 24 and the left end of the pressure spring mounting cavity 52, and the right end of the pressure spring is simultaneously abutted to the right end of the mounting groove 24 and the right end of the pressure spring mounting cavity 52. The connecting piece 5 is provided with a locking pin 54 along the length direction of the second chute 23, preferably, in order to ensure the connection firmness between the locking pin and the connecting frame, one end of the locking pin 54 is provided with two connecting holes 56, and the connecting piece 5 is provided with connecting columns 57 corresponding to the connecting holes 56. The drum brake shell 1 is provided with a lock pin chute 12 which is matched with the lock pin 54, the bottom of the lock pin 54 is provided with an emergency unlocking column 55, and preferably, the emergency unlocking column 55 is positioned in the middle of the bottom of the lock pin 54. The drum brake shell 1 is provided with an emergency unlocking column chute which is matched with the emergency unlocking column 55. Further, in order to protect the locking pin executing device and prevent the locking pin and other parts from being ejected, a cover plate 7 corresponding to the locking pin executing device 2 is arranged on the drum brake shell 1, and the cover plate 7 is fixed on the drum brake shell through screws. As shown in fig. 11, the emergency lock 4 includes an emergency lock 41, where the emergency lock 41 may be a common lock, a cylinder lock, a magnetic cylinder coded lock, or other locks, and preferably, in order to prevent the lock hole of the emergency lock from being blocked, one end of the emergency lock 41 away from the emergency lock cam 42 is provided with a rubber silt-preventing cover 44, and the rubber silt-preventing cover is made of high-quality rubber material, and adopts a plugging design, so that the emergency lock has the purposes of good sealing performance and effectively preventing silt from entering. The one end of emergent tapered end 41 is equipped with emergent lock cam 42, and is preferable, as shown in fig. 12, in order to be convenient for the transmission connection between emergent tapered end and the emergent lock cam, the one end that emergent lock cam 42 kept away from trapezoidal slide 43 is equipped with connects square hole 45, the tip of emergent tapered end 41 is equipped with the connection square 46 that suits with connecting square hole 45. The end of the emergency lock cam 42 is provided with a trapezoid slideway 43 which is matched with the emergency unlocking column 55, one end of the first chute 11 is provided with a safety signal switch 6, preferably, the safety signal switch 6 is a waterproof switch, faults during wading are avoided, signals are ensured to be reliably connected, and the purpose of safe running is achieved. The drum brake shell 1 is provided with a safety signal switch mounting groove which is matched with the safety signal switch 6, one end of the safety signal switch 6, which is close to the connecting piece 5, is provided with a switch button 61, and one end of the connecting piece 5, which is close to the safety signal switch 6, is a switch button trigger end. One pin of the safety signal switch 6 is connected with one set of coils in the stepper motor 31, the other pin is connected with the other set of coils in the stepper motor 31, as shown in fig. 18, K represents the safety signal switch 6, a dashed line frame represents the stepper motor 31, the model is BY15, the inside of the stepper motor 31 is provided with two sets of coils L1 and L2, and the safety signal switch 6 is connected between the L1 and the L2.
The driving assembly 3 can drive the rack box 21 to slide along the first chute 11; the compression spring 53 enables the link 5 to slide with the rack housing 21; and the connecting piece 5 can also slide along the second chute 23 on the rack box 21, when the connecting piece 5 slides on the rack box 21, the compression spring 53 is compressed; when the driving assembly 3 drives the rack box 21 to slide, the connecting piece 5 slides along with the rack box 21, and can drive the lock pin 54 to extend or retract into the lock pin sliding groove 12, so that locking or unlocking is completed; the emergency lock 4 is used for emergency unlocking, the emergency unlocking column 55 is inserted into the trapezoid slide way 43 of the emergency lock cam 42 and is abutted against the trapezoid slide way 43, the emergency lock 41 is rotated, the emergency lock cam 42 rotates 180 degrees, so that the trapezoid slide way 43 generates up-down drop to drive the emergency unlocking column 55 to horizontally move, and then the lock pin 54 is driven to slide, so that the aim of forcedly unlocking the lock in emergency is fulfilled; the safety signal switch 6 is a normally open switch, the purpose of safe driving is achieved by utilizing the on-off of the safety signal switch 6, in the unlocking state, the lock pin 54 presses the switch button 61, the safety signal switch 6 is closed, at the moment, the control circuit collects that the safety signal switch 6 is in the closing state, the control circuit automatically opens a power supply, the electric vehicle normally drives, if the lock pin 54 is abnormal in the driving process, the switch button 61 is not pressed, at the moment, the safety signal switch is opened, the control circuit immediately closes the power supply, and simultaneously gives an alarm sound, so that the personal safety is ensured; the state of the lock pin can be monitored in real time, and the safety and reliability in running are ensured.

Claims (7)

1. The utility model provides a take emergent lock safety protection's intelligent drum lock of stopping, includes drum casing (1) of stopping, be equipped with lockpin executive device (2) in drum casing (1) of stopping, for lockpin executive device (2) provide drive assembly (3) of driving force, drive assembly (3) include step motor (31) and control circuit, the one end of drum casing (1) of stopping is equipped with emergent lock (4) that suits with lockpin executive device (2), characterized by: the driving assembly (3) is provided with a driving gear (32), the lock pin executing device (2) comprises a rack box (21), a rack (22) meshed with the driving gear (32) is horizontally arranged on the outer wall of the rack box (21), a first sliding groove (11) matched with the rack box (21) is arranged on the drum brake shell (1), the rack box (21) is slidably connected with the first sliding groove (11), a connecting piece (5) is arranged on the upper side of the rack box (21), a sliding block (51) is arranged at the bottom of the connecting piece (5) along the length direction of the rack box (21), a second sliding groove (23) matched with the sliding block (51) is arranged at the top of the rack box (21), the second sliding groove (23) horizontally penetrates through the rack box (21), a pressure spring mounting cavity (52) penetrating through the sliding block (51) along the width direction of the sliding block (51) is arranged on the sliding block (51), a pressure spring (53) is arranged in the pressure spring mounting cavity (52), the outer diameter of the pressure spring (53) is larger than the width of the sliding block (51), a pressure spring mounting groove (24) is arranged in the second sliding groove (23) and is equal to the length of the pressure spring mounting cavity (52), the part of the pressure spring (53) extending out of the pressure spring mounting cavity (52) is positioned in the mounting groove (24), the end part of the pressure spring (53) is abutted against the corresponding end of the mounting groove (24), a lock pin (54) is arranged on the connecting piece (5) along the length direction of the second sliding groove (23), a lock pin sliding groove (12) which is matched with the lock pin (54) is arranged on the drum brake shell (1), an emergency unlocking column (55) is arranged at the bottom of the lock pin (54), the emergency lock (4) comprises an emergency lock head (41), an emergency lock cam (42) is arranged at one end of the emergency lock head (41), a trapezoid sliding way (43) which is matched with the emergency unlocking column (55) is arranged at the end part of the emergency lock cam (42), a safety signal switch (6) is arranged at one end of the first sliding groove (11), which is close to the connecting piece (5), a switch button (61) is arranged at one end of the connecting piece (5), which is close to the safety signal switch (6), and one end of the switch button (6) is in a group of the other stepping motor (31) is connected with one of the other stepping motor pins (31); the novel drum brake is characterized in that a cover plate (7) which is matched with the lock pin executing device (2) is arranged on the drum brake shell (1), a lead anti-sediment rubber ring (8) is arranged at one end of the driving assembly (3), a lead penetrating hole is formed in the lead anti-sediment rubber ring (8), and the lead anti-sediment rubber ring (8) is inlaid on the drum brake shell (1) and penetrates through the drum brake shell (1).
2. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: one end of the emergency lock head (41) far away from the emergency lock cam (42) is provided with a rubber sediment-proof cover (44).
3. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: one end of the emergency lock cam (42) far away from the trapezoid slide way (43) is provided with a connection square hole (45), and the end part of the emergency lock head (41) is provided with a connection square head (46) which is adaptive to the connection square hole (45).
4. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: the stepping motor (31) is in transmission connection with the driving gear (32) through a gear set, and the stepping motor (31), the driving gear (32) and the gear set are both positioned in the shell (33).
5. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: the emergency unlocking column (55) is located in the middle of the bottom of the lock pin (54).
6. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: one end of the lock pin (54) is provided with two connecting holes (56), and the connecting piece (5) is provided with connecting columns (57) which are matched with the connecting holes (56).
7. The intelligent drum brake lock with emergency lock safety protection according to claim 1, characterized in that: the safety signal switch (6) is a waterproof switch.
CN202010339563.9A 2020-04-26 2020-04-26 Intelligent drum brake lock with emergency lock safety protection function Active CN111364841B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010339563.9A CN111364841B (en) 2020-04-26 2020-04-26 Intelligent drum brake lock with emergency lock safety protection function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010339563.9A CN111364841B (en) 2020-04-26 2020-04-26 Intelligent drum brake lock with emergency lock safety protection function

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Publication Number Publication Date
CN111364841A CN111364841A (en) 2020-07-03
CN111364841B true CN111364841B (en) 2023-06-09

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CN201254226Y (en) * 2008-08-29 2009-06-10 王成全 Electric motor vehicle hub brake assembly with locking device
CN104372995B (en) * 2014-10-09 2017-03-15 乐清乐驰弘盛锁业科技有限公司 A kind of electric motor intelligent drum brake theftproof lock
CN205220869U (en) * 2015-12-15 2016-05-11 赵崇谊 Electric motor car intelligence drum is stopped and is locked emergency device
CN107542324A (en) * 2017-10-18 2018-01-05 乐清乐驰弘盛锁业科技有限公司 A kind of intelligent anti-theft lock lock pin drive assembly
DE102018111305A1 (en) * 2018-05-11 2019-11-14 ABUS August Bremicker Söhne KG U-lock
CN109958342A (en) * 2019-03-14 2019-07-02 浙江绿源电动车有限公司 Smart lock and electric vehicle
CN210235158U (en) * 2019-06-18 2020-04-03 玉环大卫士电子设备有限公司 Intelligent hub brake lock
CN212105483U (en) * 2020-04-26 2020-12-08 台州保镖锁业有限公司 Intelligent drum brake lock with emergency lock safety protection function

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