CN208220413U - A kind of smart lock - Google Patents
A kind of smart lock Download PDFInfo
- Publication number
- CN208220413U CN208220413U CN201820729001.3U CN201820729001U CN208220413U CN 208220413 U CN208220413 U CN 208220413U CN 201820729001 U CN201820729001 U CN 201820729001U CN 208220413 U CN208220413 U CN 208220413U
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- CN
- China
- Prior art keywords
- master gear
- tooth
- transmission
- worm screw
- smart lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
A kind of smart lock, comprising: lock housing;Motor, the motor are fixed in the mounting groove of lock housing;For handling input signal and controlling the integrated chip of motor forward, reverse or stop only, the integrated chip is fixed in lock housing by rivet;Transmission mechanism, the transmission mechanism include worm screw, transmission double-layer tooth, master gear, and the worm screw is formed through hole, which is assembled by electric machine main shaft interpolation, and are driven and rotated by electric machine main shaft;The transmission double-layer tooth includes the gear with the worm screw engaged transmission, and the lower gear with the master gear engaged transmission;Between worm screw and master gear, and respectively with worm screw, master gear engages to be connected the transmission double-layer tooth position;Through-hole is equipped among the master gear, one side surface of master gear is equipped with two for placing limit film and being parallel to each other through the card slot of through-hole, another side surface is equipped with boss, and the outer profile of the boss has the interior recessed area and convex area for controlling microswitch folding.
Description
Technical field
The utility model belongs to electronic lock field more particularly to a kind of smart lock.
Background technique
Present people are higher and higher for the safety of home life and high efficiency requirement, since traditional mechanical lock is used
Family must use key unlocking, shut, and user must carry key, very inconvenient, the risk also lost,
Therefore, smart lock gradually starts to replace traditional mechanical lock, and smart lock drives mechanical transmission mechanism by electric motor, and cooperates
Human body recognition technology can make house security is higher to be also more convenient.
Current existing smart lock is broadly divided into handle part and lock core part in structure, by human body recognition technology,
Internal processing chip is started transmission mechanism by instruction, discharges locking mechanism, and eventually by rotation handle, lock is opened.This
Structure is complicated for kind mode, and the components for needing to buy from external coordination are more, higher cost, the cooperation between components and components
It is easy error, product is eventually led to and is not available.
Utility model content
To solve the above problems, and making a kind of a easy to operate and low-cost smart lock.
To achieve the above object, the utility model is addressed by following technical proposals: a kind of smart lock, comprising:
Lock housing;
Motor, the motor are fixed in the mounting groove of lock housing;
For handling input signal and controlling the integrated chip of motor forward, reverse or stop only, the integrated chip passes through
Rivet is fixed in lock housing;
Transmission mechanism, the transmission mechanism include worm screw, transmission double-layer tooth, master gear, and the worm screw is formed through hole,
The through hole is assembled by electric machine main shaft interpolation, and is driven and rotated by electric machine main shaft;The transmission double-layer tooth includes and the worm screw
The gear of engaged transmission, and the lower gear with the master gear engaged transmission;The transmission double-layer tooth position is in worm screw and master
Between gear, and respectively with worm screw, master gear, which engages, to be connected;Through-hole is equipped among the master gear, on one side surface of master gear
Equipped with two for placing limit film and being parallel to each other through the card slot of through-hole, another side surface is equipped with boss, described convex
The outer profile of platform has the interior recessed area and convex area for controlling microswitch folding.
Further, the transmission mechanism further includes limited block, and limited block is located above master gear, among limited block for
The pilot hole of lock core connecting rod cooperation, the through-hole of the pilot hole and the master gear are coaxial.
Further, the limiting slot for limiting limited block rotational angle is additionally provided on the limited block.
Further, the tooth structure of the master gear includes occupying the continuous teeth of master gear perimeter 3/4ths and accounting for
According to the non-tooth structure of master gear perimeter a quarter.
Further, the worm screw and tooth transmission ratio on double-layered tooth are 1:45, tooth and double-layered tooth lower tooth on the double-layered tooth
Transmission ratio is 45:12, and the double-layered tooth lower tooth and main tooth transmission ratio are 12:90, and the reduction ratio of the transmission mechanism is 1:
337.5。
Further, the microswitch quantity is two, respectively the first microswitch and the second microswitch 7, and
It is screwed in lock housing, the first microswitch is for detecting master gear rotation angle, and the second microswitch is for detecting limit
Position block rotates angle.
Further, the limit film is two panels sheet metal, and the sheet metal is tightly inserted in card slot.
It further, include: shell, the password touch screen for connecting integrated chip, connection integrated chip in the lock housing
Fingerprint identification device and the keyhole for installing lock core.
Further, the key hole surface is equipped with a key rotated using one point of key hole surface as axle center
Port lid.
Further, the key hole surface has a circular recess at one, escutcheon can inlay card completely in the circular recess
It is interior.
The technical solution having the beneficial effect that using the application of the utility model, the drive mechanism of smart lock use
Worm screw, transmission double-layer tooth, master gear three are engaged transmission, are achieved that transmission agency necessary to the smart lock, simultaneously
Also it reduces mechanism to be taken up space, in addition, being also provided with limited block cooperation fine motion to prevent from malfunctioning in smart lock operational process and opening
It closes, limits the motion range of transmission mechanism, further improve the validity of smart lock work.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the main view of master gear.
Fig. 3 is the rearview of master gear.
Appended drawing reference: worm screw 1, motor 2, transmission double-layer tooth 3, limited block 4, master gear 5, the first microswitch 6, second are micro-
Dynamic switch 7, boss 51, card slot 52.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1 ~ Fig. 3, a kind of smart lock, comprising:
Lock housing;
Motor 2, the motor 2 are fixed in the mounting groove of lock housing;
For handling input signal and controlling the integrated chip of 2 forward, reverse or stop of motor only, the integrated chip passes through
Rivet is fixed in lock housing;
Transmission mechanism, the transmission mechanism include worm screw 1, transmission double-layer tooth 3, master gear 5, and the worm screw 1, which is formed with, passes through
Perforation, the through hole are assembled by 2 main shaft interpolation of motor, and are driven and rotated by 2 main shaft of motor;The transmission double-layer tooth 3 include with
The gear of 1 engaged transmission of worm screw, and the lower gear with 5 engaged transmission of master gear;3, the transmission double-layer tooth
Between worm screw 1 and master gear 5, and respectively with worm screw 1, master gear 5, which engages, to be connected, the gear of worm screw 1 and transmission double-layer tooth 3
Engaged transmission changes transmission direction, and the lower gear and 5 engaged transmission of master gear of transmission double-layer tooth 3 change transmission speed.Institute
State among master gear 5 be equipped with through-hole, 5 one side surface of master gear be equipped with two for place limit film and be parallel to each other through
The card slot 52 of through-hole, another side surface are equipped with boss 51, and the outer profile of the boss 51 has for controlling microswitch folding
Interior recessed area and convex area, interior recessed area and convex area smooth transition, master gear 5 rotate when, boss 51 rotates with it, the first fine motion
Switch 6 is located at master gear 5 on one side, and when convex area is rotated to the first 6 position of microswitch, the first microswitch 6 is pressed, place
In closed state, when interior recessed area is rotated to the first 6 position of microswitch, the first microswitch 6 is released, in disconnecting shape
State, built-in chip is fed back by the state of the first microswitch 6, to judge whether master gear 5 is rotated in place.
A kind of smart lock, the transmission mechanism further include limited block 4, and limited block 4 is located above master gear 5, in limited block 4
Between for the pilot hole that cooperates with lock core connecting rod, the through-hole of the pilot hole and the master gear 5 is coaxial.It is whole by limited block 4
Cam face design, when starting can be used for judging that smart lock original state is locking or open state.Second fine motion is opened
It closes 7 to be located near 4 rotational trajectory of limited block, when cam lobe is rotated to 4 position of limited block, then the second microswitch 7 is pressed
Conjunction is pressed off, conversely, then discharging disconnection.
The first microswitch 6 is releasing orientation under original state;By taking a left side is opened as an example: after finger-print cipher card is unlocked, first detecting
Whether the second microswitch 7 is pinned, and (be motor 2 rotate forward no motor 2 be failure to actuate) motor 2 rotate forward, worm screw 1 drive transmission double-layer
Tooth 3 makes master gear 5 rotate forward 90 °, and the first microswitch 6 is by unclamping (initial point) --- -> closure (in movement) --- -- > it unclamps
(90 ° of terminals), then motor 2 inverts, and worm screw 1 drives transmission double-layer tooth 3 that master gear 5 is made to invert 90 ° and returns to origin, the first fine motion
Switch 6 is by unclamping (90 ° of terminals) --- -> closure (in movement) --- > unclamp (initial point).By taking a left side is opened as an example: shutting, locking
It is pressed on shell and shuts key, first detect whether the second microswitch 7 is pinned, (no motor 2 reversion be that motor 2 is failure to actuate) motor 2 is anti-
Turn, worm screw 1 drives transmission double-layer tooth 3 that master gear 5 is made to invert 90 °, and the first microswitch 6 is by unclamping (initial point) --- > closure
(in movement) --- > unclamp (90 ° of terminals).Then motor 2 rotates forward, and worm screw 1 drives transmission double-layer tooth 3 that master gear 5 is made to rotate forward 90 °
Origin is returned to, the first microswitch 6 is by unclamping (90 ° of terminals) --- > closure (in movement) --- > unclamp (initial point).
Gear is eventually returned to origin primarily to the convenient people being located in room, can be manually rotated lock core knob to
It unlocks, shuts.
A kind of smart lock malfunctions in transmission mechanism operation in order to prevent, and limited block 4 rotates excessively, leads to smart lock
It can not unlock or shut, the limiting slot for limiting 4 rotational angle of limited block is additionally provided on the limited block 4.It is located in lock housing
And having a salient point above limiting slot rotational trajectory, the salient point is in limiting slot, for limiting limiting slot rotation angle.
A kind of smart lock, the tooth structure of the master gear 5 include occupying the continuous teeth of 5 perimeter 3/4ths of master gear
With the non-tooth structure for occupying 5 perimeter a quarter of master gear.This structure improves production efficiency convenient for die casting charging.
Tooth transmission ratio is 1:45 on a kind of smart lock, the worm screw and double-layered tooth, on the double-layered tooth under tooth and double-layered tooth
Tooth transmission ratio is 45:12, and the double-layered tooth lower tooth and main tooth transmission ratio are 12:90, and the reduction ratio of the transmission mechanism is 1:
337.5。
A kind of smart lock, the microswitch quantity are two, respectively the first microswitch 6 and the second microswitch 7,
And be screwed in lock housing, the first microswitch 6 rotates angle for detecting master gear 5, and the second microswitch 7 is for examining
It surveys limited block 4 and rotates angle.
A kind of smart lock, the limit film are two panels sheet metal, and the sheet metal is tightly inserted in card slot 52.Two panels gold
Belong to thin slice to be arranged in parallel, centre forms a strip space, is equipped with boss at one, the boss outer profile one on the downside of limited block 4
It is divided into circle, is approximately equal to the width in strip space so far, some is the triangle greater than strip space width.By
In the limitation of two sheet metals, limited block 4 is only limitted to rotate in the arc range of outer profile outer ring, when exceeding, gold
Torsional spring will be played the role of simultaneously by belonging to thin slice, be resetted limited block 4 by its reaction force.
A kind of smart lock includes: shell, the password touch screen for connecting integrated chip, connection integrated chip in the lock housing
Fingerprint identification device and install lock core keyhole.Password touch screen be for provide input password unlocking mode,
Fingerprint recognition provides the mode of fingerprint recognition unlocking for user.Meanwhile power off in order to prevent it is inoperable happen, should
Smart lock also provides mechanical system, passes through the mode of operation of key turn lock core.
A kind of smart lock, the key hole surface are equipped with a key rotated using one point of key hole surface as axis
Key hole cap.It needs through key unlocking, when shutting, escutcheon is removed and is operated.
A kind of smart lock, the key hole surface have a circular recess at one, escutcheon can inlay card completely it is recessed in the circle
In falling into.Escutcheon and center of circle recess are fitted close, and play dust-proof, moisture-proof effect, while but also smart lock is more beautiful.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type, therefore in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.
Claims (10)
1. a kind of smart lock characterized by comprising
Lock housing;
Motor, the motor are fixed in the mounting groove of lock housing;
For handling input signal and controlling the integrated chip of motor forward, reverse or stop only, the integrated chip passes through rivet
Riveting is fixed in lock housing;
Transmission mechanism, the transmission mechanism include worm screw, transmission double-layer tooth, master gear, and the worm screw is formed through hole, this is passed through
Perforation is assembled by electric machine main shaft interpolation, and is driven and rotated by electric machine main shaft;The transmission double-layer tooth includes engaging with the worm screw
The gear of transmission, and the lower gear with the master gear engaged transmission;The transmission double-layer tooth position is in worm screw and master gear
Between, and respectively with worm screw, master gear, which engages, to be connected;Through-hole is equipped among the master gear, one side surface of master gear is equipped with
Two are used to place limit film and are parallel to each other through the card slot of through-hole, and another side surface is equipped with boss, the boss
Outer profile has the interior recessed area and convex area for controlling microswitch folding.
2. a kind of smart lock according to claim 1, which is characterized in that the transmission mechanism further includes limited block, limit
Block is located above master gear, the pilot hole cooperated among limited block with lock core connecting rod, the pilot hole and the master gear
Through-hole is coaxial.
3. a kind of smart lock according to claim 2, which is characterized in that be additionally provided on the limited block for limiting limit
The limiting slot of block rotational angle.
4. a kind of smart lock according to claim 1, which is characterized in that the tooth structure of the master gear includes occupying master
The continuous teeth of gear perimeter 3/4ths and the non-tooth structure for occupying master gear perimeter a quarter.
5. a kind of smart lock according to claim 1, which is characterized in that tooth transmission ratio is 1 on the worm screw and double-layered tooth:
45, tooth and double-layered tooth lower tooth transmission ratio are 45:12 on the double-layered tooth, and the double-layered tooth lower tooth and main tooth transmission ratio are 12:90,
The reduction ratio of the transmission mechanism is 1:337.5.
6. a kind of smart lock according to claim 1, which is characterized in that the microswitch quantity is two, respectively
First microswitch and the second microswitch, and be screwed in lock housing, the first microswitch is for detecting master gear rotation
Gyration, the second microswitch is for detecting limited block rotation angle.
7. a kind of smart lock according to claim 1, which is characterized in that the limit film is two panels sheet metal, described
Sheet metal is tightly inserted in card slot.
8. a kind of smart lock according to claim 1, which is characterized in that include: shell in the lock housing, connect integrated core
The password touch screen of piece, the fingerprint identification device for connecting integrated chip, and the keyhole of installation lock core.
9. a kind of smart lock according to claim 8, which is characterized in that the key hole surface is equipped with one with keyhole
One, surface point is the escutcheon that axle center is rotated.
10. a kind of smart lock according to claim 9, which is characterized in that the key hole surface has circular recess at one,
Escutcheon can completely inlay card in the circular recess.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820729001.3U CN208220413U (en) | 2018-05-16 | 2018-05-16 | A kind of smart lock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820729001.3U CN208220413U (en) | 2018-05-16 | 2018-05-16 | A kind of smart lock |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208220413U true CN208220413U (en) | 2018-12-11 |
Family
ID=64508841
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820729001.3U Expired - Fee Related CN208220413U (en) | 2018-05-16 | 2018-05-16 | A kind of smart lock |
Country Status (1)
Country | Link |
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CN (1) | CN208220413U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108412321A (en) * | 2018-05-16 | 2018-08-17 | 温州市至信锁业有限公司 | A kind of smart lock |
-
2018
- 2018-05-16 CN CN201820729001.3U patent/CN208220413U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108412321A (en) * | 2018-05-16 | 2018-08-17 | 温州市至信锁业有限公司 | A kind of smart lock |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181211 Termination date: 20200516 |