CN211201443U - Driving mechanism of lock body - Google Patents
Driving mechanism of lock body Download PDFInfo
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- CN211201443U CN211201443U CN201921583349.7U CN201921583349U CN211201443U CN 211201443 U CN211201443 U CN 211201443U CN 201921583349 U CN201921583349 U CN 201921583349U CN 211201443 U CN211201443 U CN 211201443U
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Abstract
The utility model discloses a drive mechanism of lock body, include: the lock body is internally provided with a lock bolt and a transmission device, and the transmission device is linked with the lock bolt; the driving mechanism is arranged on one side in the lock body; the driving mechanism comprises a motor, a driving gear, a change gear and a plurality of driven gears; the driving gear is meshed with the direction changing gear, the driving gear and the direction changing gear are longitudinally arranged on one side of the motor where the rotating shaft is located, and the rotating shaft of the motor is connected with the driving gear; the driven gears are meshed with each other and are sequentially and transversely arranged on the side edge of the motor, one driven gear close to the rotating shaft of the motor is meshed with the turning gear, one driven gear far away from the rotating shaft of the motor is meshed with the transmission device, and the transmission device is driven to eject or retract the lock tongue into the lock body. After the motor is arranged in the lock body, the driving mechanism of the lock body is compact in structure, the control panel is prevented from being too large in thickness, and the attractive effect is achieved.
Description
Technical Field
The utility model relates to a lock body field especially relates to a actuating mechanism of lock body.
Background
Currently, the anti-theft lock is widely applied to various occasions due to high safety. The existing anti-theft locks are provided with driving devices, for example, a plurality of gears installed in the lock body, and the gears are matched with each other to rotate, so that the mechanical switch in the lock body is pushed to be closed, and the unlocking and locking actions are completed.
The rotation of a gear in the anti-theft lock is generally driven by a motor, and the matching degree of the motor and the gear directly influences the motion stability of each part in the anti-theft lock; in the prior art, because the thickness of the anti-theft lock is limited and the gear is evenly arranged in the lock body, the motor is usually arranged outside the anti-theft lock, an opening for accommodating a rotating shaft of the motor is arranged on the lock body of the anti-theft lock, and the rotating shaft of the motor can penetrate through the opening to be connected with the gear, so that the motor can drive the gear to move outside the anti-theft lock; the motor in the existing anti-theft lock is usually arranged on a control panel electrically connected with the anti-theft lock, so that the control panel can control the motor to drive when identifying the identity of a user, and then the lock tongue is driven to extend out or pop out of the lock body. However, the control panel is provided with driving equipment such as a motor and the like, so that the thickness of the control panel can be increased, the control panel obviously protrudes out of the door body, and the attractiveness of the door body is influenced; simultaneously, if set up the motor outside the lock body, can make the motor receive external disturbance easily, influence the driven stability of each part in the lock body.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a driving mechanism of a lock body embeds the motor in the lock body to through the mode of arranging of a plurality of gear, when maintaining lock body thickness, reduce control panel thickness, make the pickproof lock more pleasing to the eye the rest, still can improve the stability of each part motion in the lock body.
The purpose of the utility model is realized by adopting the following technical scheme:
a lock body drive mechanism, comprising:
the lock body is internally provided with a lock bolt and a transmission device, and the transmission device is linked with the lock bolt;
the driving mechanism is arranged on one side in the lock body; the driving mechanism comprises a motor, a driving gear, a change gear and a plurality of driven gears; the driving gear is meshed with the direction changing gear, the driving gear and the direction changing gear are longitudinally arranged on one side of the motor where the rotating shaft is located, and the rotating shaft of the motor is connected with the driving gear; the driven gears are meshed with each other and are sequentially and transversely arranged on the side edge of the motor, one driven gear close to the rotating shaft of the motor is meshed with the turning gear, one driven gear far away from the rotating shaft of the motor is meshed with the transmission device, and the transmission device is driven to eject or retract the lock tongue into the lock body.
Furthermore, the driving mechanisms are all assembled in a box body, the box body is installed in the lock body, a notch is formed in one side edge, close to the transmission device, of the box body, and the driven gear meshed with the transmission device is partially exposed out of the notch.
Further, the orthographic projection of the notch on the horizontal plane presents an arc-shaped structure which is sunken into the box body.
Furthermore, arc edges for fixing the motor are arranged on the box body positioned on two sides of the motor.
Furthermore, the plurality of driven gears comprise at least one single-layer gear and a plurality of double-layer gears, the single-layer gear is located at the notch, and the single-layer gear is partially exposed at the notch; the double-layer gears are meshed and sequentially distributed on the side edge of the motor.
Further, at least one of the double-layer gears is set as an overload protection gear.
Furthermore, the overload protection gear comprises an input gear, an output gear, a gear shaft, a spherical body and an elastic piece, wherein the input gear is linked with a motor, the output gear is linked with the transmission device, the output gear and the input gear are both pivoted on the gear shaft, the output gear and the input gear are both axially fixed, and the output gear is abutted against the top of the input gear; a spring groove for accommodating an elastic piece is formed in the input gear, and the elastic piece is arranged in the spring groove; the sphere is arranged at the top of the elastic piece, a spherical pit is formed in the bottom of the output gear, the upper portion of the sphere is contained in the spherical pit, and the lower portion of the sphere is contained in the spring groove and compresses the elastic piece.
Furthermore, the driving mechanism also comprises a double-blade shifting tongue and a gear base, wherein a plurality of tooth grooves are formed in the outer surface of the gear base, and the gear base is meshed with the single-layer gear through the tooth grooves; the double-blade shifting tongue is clamped with the gear base, and the gear base drives the double-blade shifting tongue to shift the transmission device in different rotating directions when rotating, so that the lock tongue is ejected out or retracted into the lock body.
Furthermore, the bottom of the double-blade shifting tongue is provided with a limiting block, the gear base is provided with two idle running travel stop blocks, and when the double-blade shifting tongue rotates, the limiting block moves in a gap between the two idle running travel stop blocks, so that a section of idle running exists between the double-blade shifting tongue and the gear base.
Furthermore, an induction component used for sensing and identifying the rotating position of the gear base is arranged on the box body outside the gear base.
Compared with the prior art, the beneficial effects of the utility model reside in that:
(1) the motor is arranged in the lock body, the rotating shaft of the motor drives the driving gear to rotate, and then the turning gear drives the driven gears flatly arranged in the lock body to rotate;
(2) the motor built in the lock body is directly matched with the plurality of gears, and the stability of linkage of the motor and the gears can be improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the anti-theft lock of the present invention;
FIG. 2 is a schematic view of the internal structure of the driving box body in the anti-theft lock of the present invention;
FIG. 3 is a schematic structural view of the inner driving mechanism of the anti-theft lock of the present invention;
FIG. 4 is an exploded view of the dual-blade shifting tongue and gear base of the present invention;
fig. 5 is a schematic structural view of the transmission device of the present invention;
fig. 6 is a schematic structural view of the main lock tongue transmission mechanism of the present invention;
fig. 7 is a schematic view of the overall structure of the overload protection gear of the present invention;
fig. 8 is a cross-sectional view of the overload protection gear of the present invention in a normal load state;
fig. 9 is a cross-sectional view of the overload protection gear of the present invention in an overload state.
In the figure: 1. a lock body; 2. a box body; 201. a motor; 202. a driving gear; 203. a change gear; 204. a double-layer gear; 205. a gear base; 206. an idle travel stop; 207. double-leaf tongue poking; 208. a limiting block; 209. a lock cylinder; 210. a shielding sheet; 211. a notch; 212. a single-layer gear; 213. arc edge; 3. a main bolt; 301. connecting sheets; 302. an oblique chute; 303. a shifting sheet; 304. poking holes; 4. a latch bolt; 401. rotating the poking tongue; 402. a push rod; 403. shifting blocks; 5. sensing the tongue; 6. an inductive component; 7. an overload protection gear; 701. an input gear; 702. an output gear; 703. a gear shaft; 704. a sphere; 705. an elastic member; 706. and (4) spherical pits.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
A driving mechanism of a lock body is shown in figures 1-9 and comprises a lock body 1 and a driving mechanism arranged in the lock body 1.
In this embodiment, the anti-theft lock is an electronic lock, and a control module is arranged in the anti-theft lock and used for controlling the driving state of the driving mechanism. The lock body 1 is provided with an induction tongue 5, an induction component 6 is arranged on a moving path of the induction tongue 5, when the door is closed, the induction tongue 5 is extruded by the door frame and the induction component 6 is triggered, the induction component 6 can send a driving instruction for the control module to control the motor 201 in the lock body 1 to start moving, and functions of automatic locking or locking and the like are achieved.
The lock body 1 is also internally provided with a lock tongue and a transmission device, the transmission device is linked with the lock tongue, and the transmission device moves to drive the lock tongue to pop out or retract into the lock body 1. As shown in fig. 4 and 5, in this embodiment, the transmission device includes a main bolt transmission mechanism and a latch bolt transmission mechanism, where the main bolt transmission mechanism includes a main bolt 3, a shift piece 303 and a connecting piece 301, one end of the connecting piece 301 is connected to the main bolt 3, the connecting piece 301 is slidably connected to the lock body 1, the connecting piece 301 is provided with an oblique sliding slot 302, one end of the shift piece 303 is slidably connected to the oblique sliding slot 302 of the connecting piece 301 through a pin, when the connecting piece 301 rotates in different directions, one end of the shift piece 303 moves in the oblique sliding slot 302 of the connecting piece 301 and provides a vertical upward or vertical downward acting force for the connecting piece 301, so that the connecting piece 301 can drive the main bolt 3 to pop out or retract into the lock body 1; and one side of the shifting piece 303 close to the driving mechanism is provided with a shifting hole 304, and the driving mechanism can drive the shifting piece 303 to rotate by shifting the shifting hole 304, so that the driving mechanism drives the main bolt 3 to move.
The latch bolt transmission mechanism comprises a push rod 402, a rotary shifting bolt 401 and a latch bolt 4; a spring for resetting is sleeved on the tongue rod of the oblique tongue 4; one end of the push rod 402 is provided with a strip-shaped hole, the push rod 402 is in sliding connection with a pin shaft fixed on the connecting sheet 301 through the strip-shaped hole, and the connecting sheet 301 can drive the push rod 402 to synchronously move up and down when moving up and down; under the action of external force, the push rod 402 and the connecting sheet 301 can slide relatively in the left-right direction; one end of the push rod 402 far away from the driving mechanism is hinged with a rotary shifting tongue 401, the other end of the rotary shifting tongue 401 is abutted to the latch bolt 4, a shifting block 403 is arranged on one side of the push rod 402 close to the driving mechanism, the push rod 402 can be linked with the driving mechanism through the shifting block 403, after the connecting sheet 301 moves the push rod 402 towards the direction close to the driving mechanism, the driving mechanism is close to the push rod 402 and can drive the push rod 402 to slide on the connecting sheet 301 by shifting the shifting block 403, the push rod 402 slides to drive the rotary shifting tongue 401 to rotate, and therefore the latch bolt 4 is retracted into the lock body 1.
The driving mechanism is arranged at one side in the lock body 1, and as shown in fig. 2 and fig. 3, the driving mechanism comprises a motor 201, a driving gear 202, a direction changing gear 203 and a plurality of driven gears; the driving gear 202 is meshed with the direction changing gear 203, the driving gear 202 and the direction changing gear 203 are longitudinally arranged on one side of the rotating shaft of the motor 201, and the rotating shaft of the motor 201 is connected with the driving gear 202, so that the motor 201 can directly drive the driving gear 202 to move in the lock body 1; a plurality of the driven gears are engaged with each other and sequentially arranged on the side of the motor 201 in a transverse direction, wherein the number and arrangement position of the driven gears can be adjusted according to the actual internal size of the lock body 1, and in this embodiment, in order to make the structure of the driving mechanism more compact, five driven gears are provided in this embodiment, wherein four driven gears are provided as a double-layer gear 204 having upper teeth and lower teeth, and the other driven gear is provided as a single-layer gear 212.
In the embodiment, three driven gears are arranged on the side of the motor 201 in sequence, and two driven gears are arranged near the bottom edge of the lock body 1; meanwhile, in order to avoid the burnout of the motor 201 or the wear of the gears, one of the driven gears is set as the overload protection gear 7 having the overload protection function, wherein a lower layer tooth of one driven gear close to the rotating shaft of the motor 201 is meshed with the direction changing gear 203, an upper layer tooth of the driven gear is meshed with the input gear 701 of the overload protection gear 7, the output gear 702 of the overload protection gear 7 is meshed with an upper layer tooth of the other driven gear, a lower layer tooth of the driven gear is meshed with an upper layer tooth of the other driven gear located at the bottom edge of the lock body 1, a lower layer tooth of the driven gear is meshed with the single-layer gear 212, and the driven gear located at the bottom edge of the lock body 1 plays a role in height adjustment, so that the single-layer gear 212 and the gear base 205 are located at the same height, and the single-layer gear 212 drives the gear base 205 to be.
Adopt built-in motor 201 and a plurality of double gear 204 to mutually support in this embodiment, the vertical space in the make full use of lock body 1, make driven gear's meshing convert into the three-dimensional aspect from original horizontal aspect, reduce the meshing distance between gear and the gear, make actuating mechanism's inner structure inseparabler, outside having maintained the original thickness of lock body 1, still can avoid control panel thickness too big, reach pleasing to the eye effect, and simultaneously, embed motor 201 in lock body 1, play the guard action equally to motor 201, reduce the probability that motor 201 damaged, thereby improve actuating mechanism's stability.
As shown in fig. 7 to 9, the overload protection gear 7 includes an input gear 701, an output gear 702, a gear shaft 703, a spherical body 704, and an elastic member 705; the input gear 701 and the motor 201 are in indirect transmission, and the output gear 702 and the lock tongue are in indirect transmission; the input gear 701 and the output gear 702 are both pivoted on the gear shaft 703, the output gear 702 and the input gear 701 are both axially fixed, and the output gear 702 abuts against the top of the input gear 701; a spring groove for accommodating an elastic piece 705 is formed in the input gear 701, and the elastic piece 705 is arranged in the spring groove; the sphere 704 is disposed on the top of the elastic member 705, a spherical recess 706 is disposed at the bottom of the output gear 702, the upper portion of the sphere 704 is accommodated in the spherical recess 706, and the lower portion of the sphere 704 is accommodated in the spring groove and compresses the elastic member 705.
Under the normal condition of load, the compressed elastic piece 705 tightly pushes the sphere 704 in the spherical pit 706, so that the input gear 701, the sphere 704 and the output gear 702 rotate around the gear shaft 703 together; when the load is too big, the moment transmitted by the sphere 704 is not enough to overcome the load resistance, the upper part of the sphere 704 is separated from the spherical pit 706, and then the upper part is pressed into the spring groove by the bottom plane of the output gear 702, the input gear 701 can not drive the output gear 702 to rotate any more, so that the motor 201 can not drive the lock tongue any more, the overload protection of the interior of the intelligent lock body 1 is realized, the gear of the lock body 1 and the motor 201 are not easily damaged due to the too big load, the stability and reliability of the lock body 1 are enhanced, and the service life of the lock body 1 is prolonged.
As shown in fig. 4, the driving mechanism further includes a dual-blade toggle tongue 207 and a gear base 205, wherein one toggle tongue of the dual-blade toggle tongue 207 is used for toggling a toggle piece 303, so as to drive the main latch tongue 3 to move, and the other toggle tongue is used for toggling a push rod 402, so as to drive the latch tongue 4 to move; the double-blade shifting tongue 207 is sleeved outside the lock cylinder 209, the double-blade shifting tongue 207 and the lock cylinder 209 synchronously rotate, a plurality of tooth grooves are formed in the outer surface of the gear base 205, and the gear base 205 is meshed with the single-layer gear 212 through the tooth grooves; the double-blade shifting tongue 207 is clamped with the gear base 205, when the single-layer gear 212 rotates, the gear base 205 drives the double-blade shifting tongue 207 to rotate in different directions, and shifts the shifting piece 303 or the push rod 402 while rotating, so that the main lock tongue transmission mechanism and the oblique tongue transmission mechanism are driven to move, and the main lock tongue 3 and the oblique tongue 4 are ejected out of or retracted into the lock body 1.
Since the mechanical key is inserted into the keyhole of the key cylinder 209 and then rotates, the gear is necessarily driven to move, and the gear resistance is too large to rotate the key, so as to avoid the situation, after the lock body 1 is automatically locked, the gear base 205 can be automatically reset.
In order to achieve the reset effect, an idle stroke stop 206 is arranged on the gear base 205, and when the bottom of the double-blade shift tongue 207 is correspondingly provided with a stop block 208 and the double-blade shift tongue 207 is clamped into the gear base 205, the stop block 208 of the double-blade shift tongue 207 can move outside the idle stroke stop 206, so that a section of idle stroke is formed between the gear base 205 and the double-blade shift tongue 207, and the gear base 205 can be reset in a reverse rotation mode under the condition that the double-blade shift tongue 207 is not moved, so that the resistance of rotating a key is reduced; the included angle of the contact surface that idle running stroke stop 206 and stopper 208 contacted decides the size of idle running, and another effect of idle running stroke is its specific stroke angle, and after the spring bolt stretched out and locked, gear base 205 resets for stopper 208 and idle running stroke stop 206 contact, motor 201 once the drive can be unblanked with power transmission to two leaf shifting block 207, need not to idle for one section stroke increase wait to unblank the time.
The gear base 205 is connected with a shielding piece 210 extending outward, the shielding piece 210 is located on one side of an idle stroke stop block 206, and a sensing component 6 is installed on a moving path of the shifting tongue, the sensing component 6 is used for detecting whether the gear base 205 is successfully reset, and the gear base 205 drives the shielding piece 210 to cut in or out a sensing range of the sensing component 6 in a rotating manner when rotating. The response subassembly 6 sets up to one of them in mechanical switch, ultrasonic wave distance sensor, photoelectric switch or the magnetic control sensor, and in this embodiment, response subassembly 6 sets up to photoelectric switch, when gear base 205 resets, drives and shelters from the piece 210 rotation, and after the completion that resets, shelters from piece 210 and just in time shelters from photoelectric switch, lets photoelectric switch unable accept the measuring beam who sends by self, then sends the information that targets in place that resets to the control module in the lock body 1, accomplishes the action of locking a door.
In order to facilitate replacement and installation of the driving mechanism, the motor 201 and the gear in the driving mechanism are assembled in a box body 2, as shown in fig. 1 and fig. 2, the box body 2 is detachably installed in the lock body 1, a notch 211 is formed in one side of the box body 2 close to the transmission device, and a part of the single-layer gear 212 engaged with the transmission device is exposed to the notch 211; when the driving mechanism is damaged and needs to be replaced, the box body 2 assembled with the driving mechanism can be directly detached from the lock body 1, the driving mechanism can be maintained by replacing a new box body 2, the maintenance efficiency of the driving mechanism is improved, and meanwhile, the gear is prevented from being disassembled and assembled during maintenance, so that the gear parts are scattered or the gear meshed after replacement has low degree of adaptability, and the driving stability of the driving mechanism is influenced. The orthographic projection of the notch 211 on the horizontal plane presents an arc-shaped structure sunken in the box body 2, so that the area of the single-layer gear 212 exposed to the notch 211 is increased, and the meshing accuracy of the single-layer gear 212 and other parts in the lock body 1 can be improved after the box body 2 is replaced.
In addition, since the lock cylinder 209 is often damaged by external force, in this embodiment, the double-bladed gear, the gear base 205 and the sensing component 6 in the driving mechanism are also assembled together on the same box body 2, so that the replacement efficiency of the driving mechanism can be further improved, and the stability of the driving mechanism can be improved. When the double-blade pulling tongue 207 and the gear base 205 are assembled on the box body 2, the notch 211 of the box body 2 is adjusted according to the size of the gear base 205, so that the end of the double-blade pulling tongue 207 can be exposed out of the notch 211.
As shown in fig. 3, in order to improve the stability of the driving mechanism, the case 2 located at both sides of the motor 201 is provided with an arc edge 213 for fixing the motor 201, and the installation position of the motor 201 is limited by the arc edge 213, so as to prevent the motor 201 from shifting during operation.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (10)
1. A lock body actuating mechanism, comprising:
the lock body is internally provided with a lock bolt and a transmission device, and the transmission device is linked with the lock bolt;
the driving mechanism is arranged on one side in the lock body; the driving mechanism comprises a motor, a driving gear, a change gear and a plurality of driven gears; the driving gear is meshed with the direction changing gear, the driving gear and the direction changing gear are longitudinally arranged on one side of the motor where the rotating shaft is located, and the rotating shaft of the motor is connected with the driving gear; the driven gears are meshed with each other and are sequentially and transversely arranged on the side edge of the motor, one driven gear close to the rotating shaft of the motor is meshed with the turning gear, one driven gear far away from the rotating shaft of the motor is meshed with the transmission device, and the transmission device is driven to eject or retract the lock tongue into the lock body.
2. The lock of claim 1, wherein the driving mechanism is assembled in a case, the case is installed in the lock, a notch is formed on a side of the case close to the transmission device, and the driven gear engaged with the transmission device partially exposes to the notch.
3. The lock body driving mechanism according to claim 2, wherein an orthographic projection of said notch on a horizontal plane presents an arc-shaped configuration recessed into said case body.
4. The lock body driving mechanism according to claim 2, wherein said case body on both sides of said motor is provided with an arc edge for fixing said motor.
5. The lock body driving mechanism according to claim 2, wherein said plurality of driven gears includes at least one single-layer gear and a plurality of double-layer gears, said single-layer gear is located at said gap, said single-layer gear partially exposed at said gap; the double-layer gears are meshed and sequentially distributed on the side edge of the motor.
6. The lock body driving mechanism according to claim 5, wherein at least one of said double layer gears is configured as an overload protection gear.
7. The lock body driving mechanism according to claim 6, wherein the overload protection gear comprises an input gear, an output gear, a gear shaft, a spherical body and an elastic member, the input gear is linked with a motor, the output gear is linked with the transmission device, the output gear and the input gear are both pivoted on the gear shaft, the output gear and the input gear are both axially fixed, and the output gear abuts against the top of the input gear; a spring groove for accommodating an elastic piece is formed in the input gear, and the elastic piece is arranged in the spring groove; the sphere is arranged at the top of the elastic piece, a spherical pit is formed in the bottom of the output gear, the upper portion of the sphere is contained in the spherical pit, and the lower portion of the sphere is contained in the spring groove and compresses the elastic piece.
8. The lock body driving mechanism according to claim 1, further comprising a double-blade shifting tongue and a gear base, wherein a plurality of tooth grooves are formed in the outer surface of the gear base, and the gear base is meshed with the single-layer gear through the tooth grooves; the double-blade shifting tongue is clamped with the gear base, and the gear base drives the double-blade shifting tongue to shift the transmission device in different rotating directions when rotating, so that the lock tongue is ejected out or retracted into the lock body.
9. The lock body driving mechanism according to claim 8, wherein a limiting block is disposed at the bottom of the double-blade driving tongue, two idle stroke stoppers are disposed on the gear base, and the limiting block moves in a gap between the two idle stroke stoppers when the double-blade driving tongue rotates, so that a section of idle stroke is formed between the double-blade driving tongue and the gear base.
10. The lock body driving mechanism according to claim 9, wherein a sensing member for sensing and identifying a rotational position of the gear base is provided on the case body outside the gear base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583349.7U CN211201443U (en) | 2019-09-23 | 2019-09-23 | Driving mechanism of lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583349.7U CN211201443U (en) | 2019-09-23 | 2019-09-23 | Driving mechanism of lock body |
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| Publication Number | Publication Date |
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| CN211201443U true CN211201443U (en) | 2020-08-07 |
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| CN201921583349.7U Active CN211201443U (en) | 2019-09-23 | 2019-09-23 | Driving mechanism of lock body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040930A1 (en) * | 2021-09-16 | 2023-03-23 | 广东永定科技有限公司 | Gearbox structure for driving |
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2019
- 2019-09-23 CN CN201921583349.7U patent/CN211201443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023040930A1 (en) * | 2021-09-16 | 2023-03-23 | 广东永定科技有限公司 | Gearbox structure for driving |
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Address after: 511434 No.1 and No.2, Shihua Road, Hualong Town, Panyu District, Guangzhou City, Guangdong Province Patentee after: Guangdong haomadame smart home Co.,Ltd. Address before: No.1, No.2 highway, No.2, Panyu, Guangzhou Patentee before: GUANGDONG KELAINI INTELLIGENT TECHNOLOGY Co.,Ltd. |