CN214835490U - Intelligent door lock with motor overload protection mechanism - Google Patents
Intelligent door lock with motor overload protection mechanism Download PDFInfo
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- CN214835490U CN214835490U CN202120185932.3U CN202120185932U CN214835490U CN 214835490 U CN214835490 U CN 214835490U CN 202120185932 U CN202120185932 U CN 202120185932U CN 214835490 U CN214835490 U CN 214835490U
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- motor
- top plate
- output gear
- ferrule
- clutch
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- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000005034 decoration Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an intelligent door lock with a motor overload protection mechanism, which comprises an output gear rotationally arranged in a lock shell, a motor driving the output gear to rotate and an inner knob of the door; the inner knob of the door is arranged on the output gear through a clutch mechanism, and the clutch mechanism comprises a ferrule sleeved in the output gear and a clutch top plate concentrically arranged in the ferrule; a fixed clamping groove is formed in the ferrule, a pin column used for locking the clutch top plate on the ferrule is inserted into the edge of the clutch top plate, one end of the pin column is arranged in the fixed clamping groove, and the other end of the pin column abuts against the elastic block; when the inner knob is blocked and cannot rotate, the motor drives the output gear to rotate, and the output gear drives the ferrule to rotate; the pin is extruded by the side wall of the fixed clamping groove and compresses the elastic block downwards, so that the pin is separated from the fixed clamping groove, and the clutch top plate is separated from the ferrule; avoid the motor to appear transshipping, better protection motor improves lock life.
Description
Technical Field
The utility model relates to a lock technical field, more specifically say, it relates to an intelligent lock with motor overload protection mechanism.
Background
The intelligent door lock is an improved lockset on the basis of being different from the traditional mechanical lock, and is more intelligent, simple and convenient in the aspects of user safety, identification and manageability;
the existing intelligent door lock can start a motor by identifying fingerprints, passwords and the like, so that the motor drives a lock tongue of the door lock to realize intelligent opening and closing operation, and can also realize mechanical lock opening and closing by driving the lock tongue to stretch and retract through a rotary knob in a door; however, when the inner knob of the intelligent door lock is subjected to resistance and the door cannot be opened or closed, when the intelligent door lock is opened or closed by starting the motor through fingerprints or passwords, the output shaft of the motor cannot rotate due to external resistance, the motor is easily damaged, and the motor can be burnt seriously.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an intelligent lock with motor overload protection mechanism.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an intelligent door lock with a motor overload protection mechanism comprises an output gear, a motor and an inner door knob, wherein the output gear is rotatably arranged in a lock shell;
the inner knob of the door is arranged on the output gear through a clutch mechanism, and the clutch mechanism comprises a ferrule sleeved in the output gear and a clutch top plate concentrically arranged in the ferrule;
the clutch top plate is characterized in that a fixed clamping groove is formed in the ferrule, a pin column used for locking the clutch top plate on the ferrule is inserted into the edge of the clutch top plate, one end of the pin column is arranged in the fixed clamping groove, and the other end of the pin column abuts against the elastic block.
The utility model discloses further set up: the bottom of the clutch top plate is provided with a mounting groove for mounting an elastic block;
the both ends of mounting groove all are equipped with the fore-set, the mounting groove is arranged in to the elastic block, and wherein the both ends of elastic block are inconsistent with the fore-set.
The utility model discloses further set up: the bottom of the clutch top plate is provided with a groove matched with the pin column, and the groove is communicated with the mounting groove.
The utility model discloses further set up: an output shaft of the motor is connected with a transmission assembly, and the transmission assembly comprises a worm, a large gear and a small gear which are coaxially arranged;
the worm is connected to an output shaft of the motor and meshed with the large gear, and the small gear is meshed with the output gear;
the output shaft of the motor drives the large gear and the small gear to coaxially rotate through the worm, and the small gear drives the output gear to rotate.
The utility model discloses further set up: a square mounting hole is formed in the middle of the clutch top plate, and one end of the inner door knob penetrates through the square mounting hole to be mounted on the clutch top plate.
The utility model discloses further set up: a battery box for placing a battery is arranged in the lock shell.
The utility model discloses beneficial effect: the door inner knob is arranged in the ferrule through the clutch mechanism, when the door inner knob is normally used, the motor drives the output gear to rotate, and the door inner knob is driven to rotate through the clutch mechanism, so that the door lock is opened and closed; when the inner knob is blocked and cannot rotate, the motor drives the output gear to rotate, and the output gear drives the ferrule to rotate; the side wall of the fixed groove on the rotating ferrule extrudes the pin on the clutch mechanism, and the pin compresses the elastic block downwards to enable the pin to be separated from the fixed clamping groove, so that the clutch top plate is separated from the ferrule; the motor can continuously drive the output gear to rotate, so that the output gear is prevented from being blocked, and the motor is prevented from being overloaded; the motor is better protected, the service life of door lock is improved.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent door lock with a motor overload protection mechanism according to the present invention;
fig. 2 is a schematic diagram of the internal structure of an intelligent door lock with a motor overload protection mechanism according to the present invention;
fig. 3 is a transmission diagram of the motor and the output gear of the intelligent door lock with the motor overload protection mechanism of the utility model;
fig. 4 is a schematic structural diagram of the clutch mechanism of the intelligent door lock with the motor overload protection mechanism of the present invention;
fig. 5 is an installation diagram of the ferrule of the intelligent door lock with the motor overload protection mechanism in the output gear of the present invention;
fig. 6 is a schematic structural view of a clutch top plate of an intelligent door lock with a motor overload protection mechanism according to the present invention;
fig. 7 is a schematic structural diagram of a ferrule of an intelligent door lock with a motor overload protection mechanism according to the present invention;
fig. 8 is a matching diagram of the pin and the elastic block of the intelligent door lock with the motor overload protection mechanism of the present invention;
description of reference numerals: 1. a lock case; 11. a battery case; 2. an output gear; 3. a motor; 31. A transmission assembly; 311. a worm; 312. a bull gear; 313. a pinion gear; 4. an in-door knob; 41. a clutch mechanism; 411. a ferrule; 4111. fixing the clamping groove; 412. a clutch top plate; 4121. mounting grooves; 41211. a top pillar; 4122. a groove; 4123. a square mounting hole; 413. a pin; 414. an elastic block.
Detailed Description
The embodiment of the intelligent door lock with the motor overload protection mechanism according to the present invention will be described in further detail with reference to fig. 1 to 8.
An intelligent door lock with a motor overload protection mechanism comprises an output gear 2 which is rotatably arranged in a lock shell 1, a motor 3 which drives the output gear 2 to rotate and an inner knob 4 of the door;
the inner door knob 4 is mounted on the output gear 2 through a clutch mechanism 41, and the clutch mechanism 41 comprises a ferrule 411 sleeved in the output gear 2 and a clutch top plate 412 concentrically mounted in the ferrule 411;
a fixed clamping groove 4111 is arranged in the ferrule 411, a pin 413 for locking the clutch top plate 412 on the ferrule 411 is inserted into the edge of the clutch top plate 412, wherein one end of the pin 413 is arranged in the fixed clamping groove 4111, and the other end of the pin 413 abuts against the elastic block 414; the pin 413 fixes the clutch top plate 412 on the ferrule 411, and when the motor 3 drives the output gear 2 to rotate, and drives the door inner knob 4 connected with the bolt to rotate through the clutch mechanism 41, the door lock is switched on and off;
when the inner knob 4 is blocked and cannot rotate, the motor 3 drives the output gear 2 to rotate, and the output gear 2 drives the ferrule 411 to rotate; the fixed slotted side wall of the rotating collar 411 presses the pin 413 of the clutch mechanism 41, the pin 413 compresses the elastic block 414 downwards, so that the pin 413 is separated from the fixed clamping groove 4111, and the clutch top plate 412 is separated from the collar 411; the motor 3 can continuously drive the output gear 2 to rotate, so that the output gear 2 is prevented from being blocked, and the motor 3 is prevented from being overloaded; the motor 3 is better protected, and the service life of the door lock is prolonged.
The bottom of the clutch top plate 412 is provided with a mounting groove 4121 for mounting the elastic block 414;
the two ends of the mounting groove 4121 are both provided with a top column 41211, the elastic block 414 is arranged in the mounting groove 4121, and the two ends of the elastic block 414 are abutted against the top column 41211; when the middle of the elastic block 414 is compressed by the pin 413, the elastic block 414 is rapidly recessed downward, so that the pin 413 can timely move downward and is separated from the fixing slot 4111.
The bottom of the clutch top plate 412 is provided with a groove 4122 matched with the pin 413, and the groove 4122 is communicated with the mounting groove 4121; the pin 413 passes through the groove 4122 and abuts against the elastic block 414 in the mounting groove 4121, when the door inner knob 4 can normally rotate, the elastic block 414 can push the pin 413 against the column 41211, so that the pin 413 can be firmly fixed on the ferrule 411 by the clutch top plate 412, and when the motor 3 drives to open and close the door lock, the output gear 2 drives the door inner knob 4 to synchronously rotate through the clutch top plate 412.
The output shaft of the motor 3 is connected with a transmission assembly 31, and the transmission assembly 31 comprises a worm 311, a large gear 312 and a small gear 313 which are coaxially arranged;
the worm 311 is connected to the output shaft of the motor 3 and meshed with the large gear 312, and the small gear 313 is meshed with the output gear 2;
the output shaft of the motor 3 drives the large gear 312 and the small gear 313 to coaxially rotate through the worm 311, and the small gear 313 drives the output gear 2 to rotate; make the transmission of intelligence lock more accurate.
A square mounting hole 4123 is formed in the middle of the clutch top plate 412, and one end of the door inner knob 4 passes through the square mounting hole 4123 to be mounted on the clutch top plate 412 and connected with the lock tongue; the output gear 2 in rotation drives the inner knob 4 to rotate through the clutch top plate 412.
A battery box 11 for placing batteries is arranged in the lock shell 1, so that the batteries can be conveniently placed, and the interference of the batteries on power lines in the lock body is avoided.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an intelligence lock with motor overload protection mechanism, characterized by: comprises an output gear which is rotationally arranged in a lock shell, a motor which drives the output gear to rotate and an inner knob of the door;
the inner knob of the door is arranged on the output gear through a clutch mechanism, and the clutch mechanism comprises a ferrule sleeved in the output gear and a clutch top plate concentrically arranged in the ferrule;
the clutch top plate is characterized in that a fixed clamping groove is formed in the ferrule, a pin column used for locking the clutch top plate on the ferrule is inserted into the edge of the clutch top plate, one end of the pin column is arranged in the fixed clamping groove, and the other end of the pin column abuts against the elastic block.
2. The intelligent door lock with the motor overload protection mechanism as claimed in claim 1, wherein: the bottom of the clutch top plate is provided with a mounting groove for mounting an elastic block;
the both ends of mounting groove all are equipped with the fore-set, the mounting groove is arranged in to the elastic block, and wherein the both ends of elastic block are inconsistent with the fore-set.
3. The intelligent door lock with the motor overload protection mechanism as claimed in claim 2, wherein: the bottom of the clutch top plate is provided with a groove matched with the pin column, and the groove is communicated with the mounting groove.
4. An intelligent door lock with motor overload protection mechanism as claimed in claim 1, 2 or 3, wherein: an output shaft of the motor is connected with a transmission assembly, and the transmission assembly comprises a worm, a large gear and a small gear which are coaxially arranged;
the worm is connected to an output shaft of the motor and meshed with the large gear, and the small gear is meshed with the output gear;
the output shaft of the motor drives the large gear and the small gear to coaxially rotate through the worm, and the small gear drives the output gear to rotate.
5. The intelligent door lock with the motor overload protection mechanism as claimed in claim 4, wherein: a square mounting hole is formed in the middle of the clutch top plate, and one end of the inner door knob penetrates through the square mounting hole to be mounted on the clutch top plate.
6. The intelligent door lock with the motor overload protection mechanism as claimed in claim 5, wherein: a battery box for placing a battery is arranged in the lock shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120185932.3U CN214835490U (en) | 2021-01-22 | 2021-01-22 | Intelligent door lock with motor overload protection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120185932.3U CN214835490U (en) | 2021-01-22 | 2021-01-22 | Intelligent door lock with motor overload protection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214835490U true CN214835490U (en) | 2021-11-23 |
Family
ID=78953432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120185932.3U Active CN214835490U (en) | 2021-01-22 | 2021-01-22 | Intelligent door lock with motor overload protection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214835490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412283A (en) * | 2021-12-29 | 2022-04-29 | 启北公司 | Transmission clutch mechanism for intelligent door lock and intelligent door lock |
-
2021
- 2021-01-22 CN CN202120185932.3U patent/CN214835490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114412283A (en) * | 2021-12-29 | 2022-04-29 | 启北公司 | Transmission clutch mechanism for intelligent door lock and intelligent door lock |
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