A new type of smart door lock

Abstract

The present invention discloses a novel intelligent door lock, comprising an intelligent lock shell, wherein the intelligent lock shell comprises a front shell and a rear shell, wherein the front shell and the rear shell cooperate to form an accommodating chamber, and the characteristic is that: a transmission mechanism is arranged in the accommodating chamber, wherein the transmission mechanism comprises a knob, an electric transmission device and a clutch mechanism; the clutch mechanism comprises a rotating shaft and a clutch gear, and the clutch gear is arranged on the rotating shaft; one end of the rotating shaft is connected to the square shaft of the lock body, and the other end is connected to the knob, and the knob can rotate the rotating shaft; the electric transmission device comprises a motor, a gear assembly and a battery for driving the motor to operate, and the motor drives the clutch gear to rotate through the gear assembly, thereby causing the clutch gear to drive the rotating shaft to rotate. The present invention combines electronic unlocking and mechanical unlocking, effectively avoiding the problem of being unable to unlock when the electronic unlocking method is damaged, and effectively improving the performance of the door lock.

Description

Technical Field

[0001] The present invention relates to the field of door locks, and more particularly to a novel intelligent door lock. Background Art

[0002] With the development of science and technology and people's increasing attention to security, smart door locks have gradually entered thousands of households and occupied an important position in smart homes. Smart door locks are different from traditional mechanical locks and can realize multiple electronic unlocking methods such as password + fingerprint + key + Bluetooth + chip. Traditional mechanical locks are bulky and have great safety hazards, and are gradually replaced by smart door locks. However, existing smart locks often do not have mechanical unlocking functions. If the smart lock is powered off, the electrical components are easily damaged, which will cause the lock to be unable to be unlocked. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide a new type of intelligent door lock.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A novel smart door lock comprises a smart lock housing, wherein the smart lock housing comprises a front housing and a rear housing, wherein the front housing and the rear housing cooperate to form a receiving cavity, wherein a transmission mechanism is arranged in the receiving cavity, wherein the transmission mechanism comprises a knob, an electric transmission device and a clutch mechanism;

[0006] The clutch mechanism comprises a rotating shaft and a clutch gear, and the clutch gear is arranged on the rotating shaft;

[0007] One end of the rotating shaft is connected to the square shaft of the lock body, and the other end is connected to the knob, and the knob can rotate the rotating shaft;

[0008] The electric transmission device includes a motor, a gear assembly and a battery for driving the motor to operate. The motor drives the clutch gear to rotate through the gear assembly, so that the clutch gear drives the rotating shaft to rotate.

[0009] The present invention further provides that: the clutch gear is provided with a clutch sleeve matched with the rotating shaft, and a first clutch protrusion is provided on the inner side wall of the clutch sleeve;

[0010] The rotating shaft is provided with an annular flange, a second clutch protrusion matched with the first clutch protrusion is provided on one side of the annular flange close to the knob, and a clutch spring is provided on the other side, and the clutch spring drives the annular flange to abut against the first clutch protrusion;

[0011] During the rotation of the clutch gear, the first clutch protrusion will abut against the second clutch protrusion to drive the rotating shaft to rotate to the required position. At this time, when the clutch gear continues to rotate, the rotating shaft will no longer rotate with the clutch gear, but will be squeezed and moved inward to compress the clutch spring, so that the first clutch protrusion passes over the second clutch protrusion and is placed on the other side of the second clutch protrusion.

[0012] The present invention further provides that: both side surfaces of the first clutch protrusion are inclined surfaces, and the inclined surfaces can convert part of the squeezing force of the first clutch protrusion on the second clutch protrusion into a driving force for driving the rotating shaft to move inward.

[0013] The present invention further provides that: the second clutch protrusion is a cylinder.

[0014] The present invention further provides that: the number of the first clutch protrusions and the second clutch protrusions is two, and the first clutch protrusions and the second clutch protrusions correspond to each other one by one and are arranged alternately.

[0015] The present invention further provides that: the clutch spring is placed in the clutch sleeve, and is sleeved on the rotating shaft and abuts against the annular flange.

[0016] The present invention further provides that: a mounting groove is provided at one end of the rotating shaft, and the knob is provided with a mounting block adapted to the mounting groove, wherein the connecting piece passes through a through hole of the mounting groove and is connected to the mounting block.

[0017] The present invention further provides: the gear assembly includes a set of turbine worm gears and a transmission gear, the worm gear is arranged on the output shaft of the motor, one end face of the turbine is provided with a first pinion gear meshing with the transmission gear; one end face of the transmission gear is provided with a second pinion gear meshing with the clutch gear.

[0018] The present invention further provides that: a supporting wheel is arranged on the output shaft of the motor, and a supporting rotating groove matched with the supporting wheel is arranged on the inner side wall of the front housing.

[0019] The present invention further provides that: the rear housing is provided with a fixing plate, and the gear assembly and the rotating shaft are both arranged in the accommodating cavity through the fixing plate.

[0020] Beneficial effects of the present invention: the present invention arranges a knob on the smart lock shell, and the knob can rotate the rotating shaft, so the user can drive the rotating shaft to rotate by the knob, thereby realizing the square shaft rotation of the lock body, and realizing the manual mechanical switch lock of the smart door lock, and at the same time an electric transmission device is also arranged in the accommodating cavity of the smart lock shell, the electric transmission device includes a motor, a gear assembly and a battery for driving the motor, the motor drives the clutch gear to rotate through the gear assembly, so that the clutch gear drives the rotating shaft to rotate, thereby realizing the square shaft rotation of the lock body, and realizing the electronic switch lock of the smart door lock, the present smart door lock combines electronic unlocking and mechanical unlocking, has a simple and reasonable structure, effectively avoids the problem of being unable to unlock when the electronic unlocking method is damaged, and effectively improves the performance of the door lock. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic diagram of the structure of a new type of intelligent door lock of the present invention Figure 1 ;

[0022] Figure 2 A schematic diagram of the structure of a new type of intelligent door lock of the present invention Figure 2 ;

[0023] Figure 3 This is a structural schematic diagram of a novel intelligent door lock of the present invention without the front housing;

[0024] Figure 4 This is an exploded view of a new type of smart door lock of the present invention after removing the smart lock shell;

[0025] Figure 5 is a schematic diagram of the structure of the gear assembly;

[0026] Figure 6 Schematic diagram of the clutch mechanism

[0027] Figure 7 It is an exploded view of the clutch mechanism;

[0028] Figure 8 is a schematic diagram of the structure of the rotating shaft;

[0029] Fig. 9 It is a schematic diagram of the structure of the clutch gear;

[0030] Fig.10 It is a schematic diagram of the structure of the front shell.

[0031] Explanation of the accompanying drawings: 1. smart lock housing; 11. front housing; 111. support rotation groove; 12. rear housing; 13. fixed plate; 2. transmission mechanism; 21. knob; 211. mounting block; 22. electric transmission device; 221. motor; 2211. support wheel; 222. gear assembly; 2221. turbine; 2222. worm; 2223. transmission gear; 2224. first pinion; 2225. second pinion; 223. battery; 23. clutch mechanism; 231. rotating shaft; 2311. annular flange; 2312. second clutch protrusion; 2313. mounting groove; 232. clutch gear; 2321. clutch sleeve; 2322. first clutch protrusion; 233. clutch spring. DETAILED DESCRIPTION

[0032] See attached Figures 1 to 9 A novel intelligent door lock of the present invention is further described in detail.

[0033] from Figure 1 and Figure 2 It can be seen that a new type of smart door lock includes a smart lock housing 1, wherein the smart lock housing 1 includes a front housing 11 and a rear housing 12, wherein the front housing 11 and the rear housing 12 cooperate to form a receiving cavity. Figure 3 It can be seen that a transmission mechanism 2 is arranged in the accommodating cavity, and the transmission mechanism 2 includes a knob 21 , an electric transmission device 22 and a clutch mechanism 23 .

[0034] from Figure 4 It can be seen that the clutch mechanism 23 includes a rotating shaft 231 and a clutch gear 232, and the clutch gear 232 is arranged on the rotating shaft 231, one end of the rotating shaft 231 is connected to the square shaft of the lock body, and the other end is connected to the knob 21, wherein one end of the rotating shaft 231 is provided with a mounting groove 2313, and the knob 21 is provided with a mounting block 211 adapted to the mounting groove 2313, wherein the connecting piece passes through the through hole of the mounting groove 2313 and is connected to the mounting block 211, thereby realizing the connection between the knob 21 and the rotating shaft 231, so that the knob 21 can directly drive the rotating shaft 231 to rotate, so that the user can drive the rotating shaft 231 to rotate through the knob 21, thereby realizing the rotation of the square shaft of the lock body, and realizing the manual mechanical switch lock of the smart door lock.

[0035] from Figure 4 It can be seen that the electric transmission device 22 includes a motor 221, a gear assembly 222, and a battery 223 for driving the motor 221 to operate. Figure 5It can be seen that the gear assembly 222 includes a set of turbine 2221, worm 2222 and transmission gear 2223, the worm 2222 is arranged on the output shaft of the motor 221, the output shaft of the motor 221 is provided with a support wheel 2211, the inner side wall of the front housing 11 is provided with a support rotation groove 111 adapted to the support wheel 2211, which supports the output shaft of the motor 221, so that the output shaft of the motor 221 rotates more stably and reliably; one end face of the turbine 2221 is provided with a transmission gear 222 3; one end face of the transmission gear 2223 is provided with a second pinion 2225 meshing with the clutch gear 232, so that the motor 221 drives the clutch gear 232 to rotate through the gear assembly 222, thereby realizing the square axis rotation of the lock body, and realizing the electronic switch lock of the smart door lock. The smart door lock combines electronic unlocking and mechanical unlocking together, with a simple and reasonable structure, which effectively avoids the problem of being unable to unlock when the electronic unlocking method is damaged, and effectively improves the performance of the door lock.

[0036] from Figures 6 to 9 It can be seen that the clutch gear 232 is provided with a clutch sleeve 2321 that matches the rotating shaft 231, and a first clutch protrusion 2322 is provided on the inner wall of the clutch sleeve 2321; the rotating shaft 231 is provided with an annular flange 2311, and a second clutch protrusion 2312 that matches the first clutch protrusion 2322 is provided on one side of the annular flange 2311 close to the knob 21, and a clutch spring 233 is provided on the other side. In order to prevent the clutch spring 233 and the knob 21 from getting stuck, the clutch spring 233 is placed in the clutch sleeve 2321, and is sleeved on the rotating shaft 231 and abuts against the annular flange 2311. The clutch spring 233 drives the annular flange 2311 to abut against the first clutch protrusion 2322. The number of the first clutch protrusion 2322 and the second clutch protrusion 2312 is two, and the first clutch protrusion 2322 and the second clutch protrusion 2312 correspond to each other one by one and are staggered, so that the clutch gear 232 and the rotating shaft 231 rotate 90° relative to each other, so that the first clutch protrusion 2322 and the second clutch protrusion 2312 abut against each other. Therefore, the manual mechanical switch lock is performed by the knob 21, which drives the rotating shaft 231 to rotate 90° forward and backward, and will not drive the clutch gear 232 to rotate and interfere with the electric transmission device 22.

[0037] When the electric transmission device 22 drives the clutch gear 232 to rotate, the first clutch protrusion 2322 will abut against the second clutch protrusion 2312 to drive the rotating shaft 231 to rotate, thereby realizing the square axis rotation of the lock body and realizing the electronic switch lock of the smart door lock. At this time, the clutch gear 232 will continue to rotate, and the rotating shaft 231 will no longer continue to rotate with the clutch gear 232. The rotating shaft 231 will be squeezed and moved inward to compress the clutch spring 233, so that the first clutch protrusion 2322 passes over the second clutch protrusion 2312 and is placed on the other side of the second clutch protrusion 2312. Under the action of the clutch spring 233, the rotating shaft 231 is reset to prepare for the next manual mechanical switch lock or automatic electronic switch lock.

[0038] After the first clutch protrusion 2322 passes over the second clutch protrusion 2312, the clutch gear 232 and the rotating shaft 231 can rotate relative to each other again, effectively avoiding overload of the clutch gear 232, thereby avoiding overload of the motor 221 that drives the clutch gear 232 to rotate, protecting the motor 221 and preventing damage to the motor 221. At the same time, the clutch gear 232 will rotate relative to the rotating shaft 231 by a certain angle, so manually driving the rotating shaft 231 through the knob 21 will not interfere with the clutch gear 232. Therefore, the clutch mechanism 23 reasonably combines the two methods of pushing the rotating shaft 231 to rotate, namely, the knob 21 and the clutch gear 232, to avoid mutual interference between the two methods, thereby realizing the combination and separation of the manual mechanical switch lock and the automatic electronic switch lock of the smart door lock.

[0039] The two side surfaces of the first clutch protrusion 2322 are both inclined surfaces, which can convert part of the extrusion force of the first clutch protrusion 2322 on the second clutch protrusion 2312 into a driving force that drives the rotating shaft 231 to move inward, so that the rotating shaft 231 will be squeezed inward to compress the clutch spring 233, so that the first clutch protrusion 2322 can pass over the second clutch protrusion 2312, which further avoids the first clutch protrusion 2322 and the second clutch protrusion 2312 from getting stuck during the extrusion process. The second clutch protrusion 2312 is a cylinder, which facilitates the first clutch protrusion 2322 to pass over the second clutch protrusion 2312.

[0040] The rear housing 12 is provided with a fixing plate 13 , and the gear assembly 222 and the rotating shaft 231 are both arranged in the accommodating cavity through the fixing plate 13 , so as to facilitate the installation of the gear assembly 222 and the rotating shaft 231 .

[0041] In order to further illustrate the combination and separation of the manual mechanical switch lock and the automatic electronic switch lock of the door lock, the initial position of the door lock is closed, and different modes of switch lock are performed.

[0042] ①Manual unlocking → Electric locking

[0043] The door can be unlocked by rotating the knob 21 90° and rotating the rotating shaft 231; if the door is locked automatically and electronically, the electric transmission device 22 will drive the clutch gear 232 to idle for a certain angle in the opposite direction, and then its first clutch protrusion 2322 will abut against the second clutch protrusion 2312, thereby driving the rotating shaft 231 to rotate 90° to close the door. When the door is closed, the clutch gear 232 will continue to rotate, and the rotating shaft 231 will be squeezed and moved inward to compress the clutch spring 233, so that the first clutch protrusion 2322 passes the second clutch protrusion 2312, preparing for the next door opening.

[0044] ②Electric unlocking → Manual locking → Electric unlocking

[0045] First, the electric transmission device 22 will drive the clutch gear 232 to rotate, and the first clutch protrusion 2322 will abut against the second clutch protrusion 2312, thereby driving the rotating shaft 231 to rotate 90° to open the door. When the door is opened, the clutch gear 232 will continue to rotate, and the rotating shaft 231 will be squeezed and moved inward to compress the clutch spring 233, so that the first clutch protrusion 2322 passes over the second clutch protrusion 2312 to prepare for the next lock; then manually mechanically lock the door, just rotate the knob 21 90° in the opposite direction to achieve lock; finally, automatically unlock the door electronically, and the clutch gear 232 will idle in the opposite direction for a certain angle. When the first clutch protrusion 2322 touches the second clutch protrusion 2312, it drives the rotating shaft 231 to rotate 90° to achieve unlocking, and then the first clutch protrusion 2322 passes over the second clutch protrusion 2312 to prepare for the next lock.

[0046] ③Electric unlocking →Electric locking

[0047] First, the electric transmission device 22 drives the clutch gear 232 to rotate, and the first clutch protrusion 2322 abuts against the second clutch protrusion 2312, thereby driving the rotating shaft 231 to rotate 90° to open the door. When the door is opened, the clutch gear 232 continues to rotate, and the rotating shaft 231 is squeezed and moves inward to compress the clutch spring 233, so that the first clutch protrusion 2322 passes over the second clutch protrusion 2312, preparing for the next lock. At this time, if the door is locked automatically by electronic means, The electric transmission device 22 will drive the clutch gear 232 to idle in the opposite direction for a certain angle, and then its first clutch protrusion 2322 will abut against the second clutch protrusion 2312, thereby driving the rotating shaft 231 to rotate 90° to close the door. When the door is closed, the clutch gear 232 will continue to rotate, and the rotating shaft 231 will be squeezed and moved inward to compress the clutch spring 233, so that the first clutch protrusion 2322 passes over the second clutch protrusion 2312, preparing for the next unlocking.

[0048] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A new type of smart door lock, comprising a smart lock housing, wherein the smart lock housing comprises a front housing and a rear housing, wherein the front housing and the rear housing cooperate to form a receiving cavity, wherein: A transmission mechanism is arranged in the accommodating cavity, and the transmission mechanism comprises a knob, an electric transmission device and a clutch mechanism; The clutch mechanism comprises a rotating shaft and a clutch gear, and the clutch gear is arranged on the rotating shaft; One end of the rotating shaft is connected to the square shaft of the lock body, and the other end is connected to the knob, and the knob can rotate the rotating shaft; The electric transmission device includes a motor, a gear assembly and a battery for driving the motor to operate. The motor drives the clutch gear to rotate through the gear assembly, so that the clutch gear drives the rotating shaft to rotate; The clutch gear is provided with a clutch sleeve matched with the rotating shaft, and a first clutch protrusion is provided on the inner side wall of the clutch sleeve; The rotating shaft is provided with an annular flange, a second clutch protrusion matched with the first clutch protrusion is provided on one side of the annular flange close to the knob, and a clutch spring is provided on the other side, and the clutch spring drives the annular flange to abut against the first clutch protrusion; During the rotation of the clutch gear, the first clutch protrusion will abut against the second clutch protrusion to drive the rotating shaft to rotate to the required position. At this time, when the clutch gear continues to rotate, the rotating shaft will no longer rotate with the clutch gear, but will be squeezed and moved inward to compress the clutch spring, so that the first clutch protrusion passes over the second clutch protrusion and is placed on the other side of the second clutch protrusion; The gear assembly includes a set of worm gears and a transmission gear. The worm gear is arranged on the output shaft of the motor. One end face of the worm gear is provided with a first pinion gear meshing with the transmission gear. One end face of the transmission gear is provided with a second pinion gear meshing with the clutch gear.

2. According to claim 1, the new intelligent door lock is characterized in that: Both side surfaces of the first clutch protrusion are inclined surfaces, and the inclined surfaces can convert part of the squeezing force of the first clutch protrusion on the second clutch protrusion into a driving force for driving the rotating shaft to move inwards.

3. A new type of intelligent door lock according to claim 1 or 2, characterized in that: The second clutch convex point is a cylinder.

4. According to claim 1, the new intelligent door lock is characterized in that: The number of the first clutch protrusions and the second clutch protrusions is two, and the first clutch protrusions and the second clutch protrusions correspond to each other one by one and are arranged alternately.

5. According to claim 1, the new intelligent door lock is characterized in that: The clutch spring is placed in the clutch sleeve and is sleeved on the rotating shaft to abut against the annular flange.

6. According to claim 1, the new intelligent door lock is characterized in that: A mounting groove is formed at one end of the rotating shaft, and a mounting block adapted to the mounting groove is provided on the knob, wherein the connecting piece passes through a through hole of the mounting groove and is connected to the mounting block.

7. According to claim 1, the new intelligent door lock is characterized in that: The output shaft of the motor is provided with a supporting wheel, and the inner side wall of the front housing is provided with a supporting rotation groove matched with the supporting wheel.

8. According to claim 1, the novel intelligent door lock is characterized in that: The rear housing is provided with a fixing plate, and the gear assembly and the rotating shaft are both arranged in the accommodating cavity through the fixing plate.

9. The novel intelligent door lock according to claim 1 is characterized in that: The rear housing is provided with a fixing plate, and the gear assembly and the rotating shaft are both arranged in the accommodating cavity through the fixing plate.

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