CN208502442U - A kind of clutch used for electronic door lock - Google Patents
A kind of clutch used for electronic door lock Download PDFInfo
- Publication number
- CN208502442U CN208502442U CN201820581375.5U CN201820581375U CN208502442U CN 208502442 U CN208502442 U CN 208502442U CN 201820581375 U CN201820581375 U CN 201820581375U CN 208502442 U CN208502442 U CN 208502442U
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- clutch
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- convex block
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Abstract
The utility model discloses a kind of clutch used for electronic door lock, comprising: shell is separately positioned on motor drive component, clutch unit, switch order module and the torsional spring fixed block of the interior of shell；The clutch unit includes: clutch shaft, is separately positioned on clutch knob, the reduction torsion spring at clutch shaft both ends；The clutch knob is provided with the first column, and the clutch shaft is provided with the second column, and first column, the second column, torsional spring fixed block are connect with the reduction torsion spring.Also clutch knob is resetted while the utility model resets clutch shaft by reduction torsion spring, reduces the time of motor drive component pressing on-of pin；Increase by a switch order module between the motor drive component and outside source of clutch, the switch order module can identify direct power supply or signal message, so that criminal be avoided to be directly accessed power supply to unlock.
Description
Technical field
The utility model relates to electronic lock technical field more particularly to a kind of clutch used for electronic door lock.
Background technique
With the development of electronic technology, electronic lock also constantly enters usually in other, and electronic lock includes clutch, control
System processed, the clutch of electronic lock include motor drive component, clutch shaft and clutch knob, motor drive component and control
System processed connection, control system control motor drive component press the on-of pin being mounted in clutch shaft, clutch shaft and from
Clutch knob just agrees with, clutch knob can under the drive of clutch shaft realize rotate and reset, this method realize from
The reset of clutch knob requires clutch shaft to agree with always with clutch knob, that is, motor drive component to press always from
Dowel pin is completed until resetting, and after the completion of reset, motor drive component just can no longer press on-of pin.Pressing clutch for a long time
Pin is easy to cause clutch pressure spring to fail, so as to cause clutch failure.
Existing electronic lock is after being unlocked by fingerprint, password or smart card, and control system just gives motor drive component to supply
Electricity, door lock can be opened, but this kind of method for unlocking existing defects, and criminal can pass around control system directly to motor
Dynamic assembly power supply, to open door lock.
Meanwhile a washer is only provided between the clutch shaft and clutch outer member of existing electronic lock, make for a long time
With rear, clutch shaft is prone to wear, and Caton, poor user experience easily occurs in when use.
Therefore, the prior art is defective, needs to improve.
Utility model content
Technical problem to be solved by the utility model is: providing a kind of clutch used for electronic door lock, motor drive group is reduced
Part press on-of pin time, avoid criminal from being directly accessed power supply and cause directly to unlock, at the same avoid for a long time in use,
The Caton phenomenon occurred due to the abrasion of clutch.
The technical solution of the utility model is as follows: providing a kind of clutch used for electronic door lock, comprising: shell is respectively set
In the motor drive component, clutch unit and torsional spring fixed block of the interior of shell；The clutch unit includes: clutch
Axis is separately positioned on clutch knob, the reduction torsion spring at clutch shaft both ends；The clutch knob is provided with the first column,
The clutch shaft is provided with the second column, and first column, the second column, torsional spring fixed block connect with the reduction torsion spring
It connects.Under the action of motor drive component, clutch shaft can agree with clutch shaft with clutch knob, and clutch shaft turns
Dynamic, clutch knob also rotates synchronously；When motor drive component does not act on clutch shaft, clutch shaft and clutch knob
Do not agree with, clutch shaft and clutch knob can reset under the action of reduction torsion spring, effectively reduce motor drive component
Effect to clutch shaft avoids the on-of pin pressed in clutch shaft for a long time that clutch pressure spring is caused to fail and lead to clutch
Failure.
Further, the clutch used for electronic door lock further includes the switch order module being arranged in the shell, institute
It states switch order module to connect with the motor drive component and outside source respectively, the switch order module is to be welded with
The pcb board of single-chip microcontroller.For distinguishing externally input signal, avoid being directly accessed power supply causes out the switch order module
Lock.
Further, the shell includes: pedestal and cover board, and the pedestal is provided with accommodating cavity, and the accommodating cavity includes:
Motor drive component installation position and clutch unit installation position, the clutch unit installation position are provided with bearing mounting groove, institute
It states torsional spring fixed block to be arranged in the clutch unit installation position, the cover board is provided with clutch unit mounting hole.
Further, the clutch unit further include: the washer that contacts with the clutch shaft connects with the washer
One end of clutch shaft and base contacts is arranged in the bearing of touching, the washer and bearing, and the bearing is arranged in the bearing
In mounting groove.Bearing is added in the clutch unit, the phenomenon that Caton will not occur in clutch unit use for a long time,
Promote the experience of user.And bearing is arranged in the inside of shell, so that bearing is directly contacted clutch shaft, avoids clutch
When rotating Caton occurs for device axis.
Further, the motor drive component includes: component slot, is separately positioned on motor on the component slot, group
Part baffle, the driving gear being installed on the motor output shaft, the driven gear engaged with the driving gear, with it is described from
The driving spring on the worm screw is arranged in the worm screw of moving gear connection, the component push plate connecting with the worm screw；The component
Push plate is arranged on the component slot, and the worm screw passes through component baffle, and the worm screw passes through the component baffle rotationally
It is mounted on the component slot, the component slot, component push plate, driving gear, driven gear, worm screw and component baffle are same
Kind material.It powers to the motor, the transmission shaft rotation of motor, the driving gear for connecting the transmission shaft also rotates, the master
Moving gear just drives driven gear to rotate, and the worm screw for connecting the driven gear also rotates, and worm screw rotates just pushing component push plate
Movement.The component slot, component push plate, driving gear, driven gear, worm screw and component baffle are same material, so that respectively
Tolerance between device reduces, and operates sensitiveer.
Further, the clutch used for electronic door lock further includes the limit rotation being arranged on the clutch knob
Button, the limit knob are arranged in side of the clutch knob far from clutch shaft, the limit knob be provided with first boss,
First through hole, the first convex block for being arranged in by the first boss across the first boss.
Further, the clutch knob is provided with the second through-hole, third through-hole, the first heavy platform, second boss, second
Convex block, the first boss are matched with the first heavy platform, and the first through hole is matched with second through-hole, the third through-hole with
Second convex block is opposite, and first column is arranged on second convex block.The first boss is matched with the first heavy platform,
It is assembled convenient for limit knob and clutch knob.After driving column insertion first through hole and the second through-hole, clutch knob and limit
Position knob will rotate synchronously.
Further, the clutch shaft is provided with semi-open type groove, be provided in the semi-open type groove third convex block,
Second heavy platform, the semi-open type groove outside are provided with the 4th convex block, and the third convex block is integrated with the 4th convex block, institute
It states semi-open type groove and is additionally provided with fourth hole, the fourth hole passes through the third convex block and the 4th convex block, and described second
Heavy platform is matched with the second boss, and one end that the clutch knob is provided with second boss is arranged in the semi-open type groove
It is interior；On-of pin, clutch pressure spring and clutch rivet are provided in the fourth hole, the on-of pin passes through the clutch pressure spring simultaneously
It is mounted in fourth hole by the clutch rivet, one end of the on-of pin is towards the component push plate, and the other end is towards institute
State clutch knob；First convex block is towards on the inside of the semi-open type groove.The semi-open type groove facilitates clutch knob
On the second convex block extend out to outside semi-open type groove, facilitate the first column to connect with reduction torsion spring.Component push plate pushes away on-of pin
The third through-hole of clutch knob is proceeded to, clutch shaft can drive clutch knob, to unlock.Described first is convex
Block is limited towards the third convex block that the rotation on the inside of the semi-open type groove, limiting knob will be arranged on the inside of semi-open type groove
System, avoids clutch knob excessive.
Further, the opening of the semi-open type groove is provided with the 5th convex block, the 5th convex block and described second
Column connection.
Further, the pcb board is arranged in the component slot, and the pcb board is connect with the motor, the PCB
Plate is provided with external signal interface；The interface of the external signal interface is arranged in case surface.The external signal passes through institute
External signal interface access switch instruction module is stated, switch order module judges whether it is direct power supply signal, directly electric in this way
Source signal is not unlocked then.The motor is directly welded on the pcb board, can make full use of space, while avoiding extraneous do
It disturbs.The interface of the external signal interface is arranged in case surface, and signal wire is facilitated to access.
Using the above scheme, the utility model provides a kind of clutch used for electronic door lock, by setting on clutch knob
The first column for reset is set, also clutch knob is resetted while reduction torsion spring resets clutch shaft, reduces motor
The time of transmission component pressing on-of pin；Increase by a switch order between the motor drive component and outside source of clutch
Module, the switch order module can identify direct power supply or signal message, so that criminal be avoided directly to connect
Enter power supply to unlock, meanwhile, a bearing is set between washer and clutch shaft, can avoid clutch and door lock for a long time
The Caton being easy to appear when use promotes the experience of client.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model；
Fig. 2 is that the utility model removes the structural schematic diagram after cover board；
Fig. 3 is the explosive view of the clutch unit of the utility model；
Fig. 4 is the explosive view of the motor drive component of the utility model；
Fig. 5 is the structural schematic diagram of the clutch knob of the utility model；
Fig. 6 is the structural schematic diagram of the reset knob of the utility model.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, the utility model provides a kind of clutch used for electronic door lock, comprising: shell, respectively
The motor drive component 20, clutch unit 40 and torsional spring fixed block 80 of the interior of shell are set；The clutch unit
50 include: clutch shaft 51, is separately positioned on clutch knob 52, the reduction torsion spring 53 at 51 both ends of clutch shaft, the clutch
Device knob 52 is provided with the first column 54, and the clutch shaft 51 is provided with the second column 55, and first column 54, second is vertical
Column 55, torsional spring fixed block 80 are connect with the reduction torsion spring 53.Clutch shaft 51 under the action of motor drive component 20, from
Clutch axis 51 can agree with clutch knob 52, and clutch shaft 51 rotates, and clutch knob 52 also rotates synchronously；Work as motor
Transmission component 20 not to clutch shaft 51 act on when, clutch shaft 51 does not agree with clutch knob 52, clutch shaft 51 and from
Clutch knob 52 can reset under the action of reduction torsion spring 53, effectively reduce motor drive component 20 to clutch shaft 51
Effect avoids the on-of pin 56 pressed in clutch shaft 51 for a long time that clutch pressure spring 57 is caused to fail and clutch is caused to fail.
Referring to Fig. 1, the clutch used for electronic door lock further includes the switch order module 90 being arranged in the shell,
The switch order module 90 is connect with the motor drive component 20 and outside source respectively, the switch order module 90
For the pcb board for being welded with single-chip microcontroller.The switch order module 90 avoids being directly accessed electricity for distinguishing externally input signal
Source causes to unlock.
Referring to Fig. 1, the shell includes: pedestal 11 and cover board 12, the pedestal 11 is provided with accommodating cavity, the accommodating
Chamber includes: motor drive component installation position 13 and clutch unit installation position 14, and the clutch unit installation position 14 is provided with
Bearing mounting groove 16, the torsional spring fixed block 80 are arranged in the clutch unit installation position 14, the cover board 12 be provided with from
Clutch unit mounting hole 15.
Please refer to Fig. 1 and Fig. 3, the clutch unit 50 further include: the washer 58 that is contacted with the clutch shaft 51, with
The bearing 59 that the washer 58 is in contact, the washer 58 and bearing 59 are arranged in clutch shaft 51 is contacted with pedestal 11 one
End, the bearing 59 are arranged in the bearing mounting groove 16.Bearing 59 is added in the clutch unit 50, clutch list
The phenomenon that Caton will not occur in first 50 long-time uses, promote the experience of user.And bearing 59 is arranged in shell
Portion enables bearing 59 directly to contact clutch shaft 51, avoids clutch shaft 51 that Caton occurs when rotating.
Fig. 1 and Fig. 4 are please referred to, the motor drive component 20 includes: component slot 21, is separately positioned on the component slot 21
On motor 22, component baffle 23, the driving gear 24 being installed on 22 output shaft of motor nibbles with the driving gear 24
The driven gear 25 of conjunction, the worm screw 26 being connect with the driven gear 25, the component push plate 27 being connect with the worm screw 26, setting
Driving spring 28 on the worm screw 26；The component push plate 27 is arranged on the component slot 21, and the worm screw 26 passes through
Component baffle 23, the worm screw 26 are installed in rotation on the component slot 21 by the component baffle 23, the component
Slot 21, component push plate 27, driving gear 24, driven gear 25, worm screw 26 and component baffle 23 are same material.To the electricity
Machine 22 is powered, and the transmission shaft rotation of motor 22, the driving gear 24 for connecting the transmission shaft also rotates, and the driving gear 24 is just
Driven gear 25 is driven to rotate, the worm screw 26 for connecting the driven gear 25 also rotates, and worm screw 26 rotates just pushing component push plate
27 movements.The component slot 21, component push plate 27, driving gear 24, driven gear 25, worm screw 26 and component baffle 23 are same
Kind material operates sensitiveer so that the tolerance between each device reduces.
Fig. 1 and Fig. 6 are please referred to, the clutch used for electronic door lock further includes being arranged on the clutch knob 52
Knob 91 is limited, side of the clutch knob 52 far from clutch shaft 51, the limit knob is arranged in the limit knob 91
91 be provided with first boss 92, across the first boss 92 first through hole 93, be arranged in the of 92 side of the first boss
One convex block 94.
Fig. 1, Fig. 5 and Fig. 6 are please referred to, it is heavy that the clutch knob 52 is provided with the second through-hole 60, third through-hole 61, first
Platform 62, second boss 63, the second convex block 64, the first boss 92 are matched with the first heavy platform 62, the first through hole 93 and institute
The matching of the second through-hole 60 is stated, the third through-hole 61 is opposite with second convex block 64, and first column 54 is arranged described
On second convex block 64.The first boss 92 is matched with the first heavy platform 62, is assembled convenient for limit knob 91 and clutch knob 52.
After driving column insertion first through hole 93 and the second through-hole 60, clutch knob 52 and limit knob 91 will be rotated synchronously.
Fig. 1 and Fig. 4 are please referred to, the clutch shaft 51 is provided with semi-open type groove, is provided in the semi-open type groove
Third convex block 66, the second heavy platform 67, are provided with the 4th convex block 68 on the outside of the semi-open type groove, the third convex block 66 with it is described
4th convex block 68 is integrated, and the semi-open type groove is additionally provided with fourth hole 69, and the fourth hole 69 passes through the third
Convex block 66 and the 4th convex block 68, second heavy platform 67 are matched with the second boss 63, and the clutch knob 52 is provided with
One end of second boss 63 is arranged in the semi-open type groove；On-of pin 56, clutch pressure are provided in the fourth hole 69
Spring 57 and clutch rivet 70, the on-of pin 56 pass through the clutch pressure spring 57 and are mounted on four-way by the clutch rivet 70
In hole 69, one end of the on-of pin 56 is towards the component push plate 27, and the other end is towards the clutch knob 52；Described
One convex block 94 is towards on the inside of the semi-open type groove.The semi-open type groove facilitates the second convex block 64 on clutch knob 52 to stretch
Out to outside semi-open type groove, the first column 54 is facilitated to connect with reduction torsion spring 53.Component push plate 27 by on-of pin 56 be advanced into from
The third through-hole 61 of clutch knob 52, clutch shaft 51 can drive clutch knob 52 to rotate, to unlock.Described first
Convex block 94 will be arranged on the third on the inside of semi-open type groove towards the semi-open type groove inside, the rotation of limit knob 91
Convex block 66 limits, and avoids clutch knob 52 from rotating excessive.
Referring to Fig. 1, the opening of the semi-open type groove is provided with the 5th convex block 71, the 5th convex block 71 with it is described
The connection of second column 55.
Fig. 1 and Fig. 4 are please referred to, the pcb board is arranged in the component slot 21, and the pcb board and the motor 22 connect
It connects, the pcb board is provided with external signal interface 28；The interface of the external signal interface 28 is arranged in case surface.It is described
External signal judges whether it is direct by the 28 access switch instruction module 90 of external signal interface, switch order module 90
Power supply signal, direct power supply signal in this way, then do not unlock.The motor 22 is directly welded on the pcb board, can be made full use of
Space, while avoiding extraneous interference.The interface of the external signal interface 28 is arranged in case surface, and signal wire is facilitated to connect
Enter.
In conclusion the utility model provides a kind of clutch used for electronic door lock, used by being arranged on clutch knob
In the first column of reset, also clutch knob is resetted while reduction torsion spring resets clutch shaft, reduces motor drive
The time of component pressing on-of pin；Increase by a switch order mould between the motor drive component and outside source of clutch
Block, the switch order module can identify direct power supply or signal message, so that criminal be avoided to be directly accessed
Power supply is unlocked, meanwhile, bearing is set between washer and clutch shaft, and can avoid clutch and door lock makes for a long time
The Caton that used time is easy to appear promotes the experience of client.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. a kind of clutch used for electronic door lock characterized by comprising shell is separately positioned on the motor of the interior of shell
Transmission component, clutch unit and torsional spring fixed block；The clutch unit includes: clutch shaft, is separately positioned on clutch
Clutch knob, the reduction torsion spring at axis both ends；The clutch knob is provided with the first column, and the clutch shaft is provided with
Two columns, first column, the second column, torsional spring fixed block are connect with the reduction torsion spring.
2. a kind of clutch used for electronic door lock according to claim 1, which is characterized in that further include being arranged in the shell
Interior switch order module, the switch order module is connect with the motor drive component and outside source respectively, described
Switch order module is the pcb board for being welded with single-chip microcontroller.
3. a kind of clutch used for electronic door lock according to claim 1, which is characterized in that the shell include: pedestal and
Cover board, the pedestal are provided with accommodating cavity, and the accommodating cavity includes: motor drive component installation position and clutch unit installation
Position, the clutch unit installation position are provided with bearing mounting groove, and the torsional spring fixed block setting is pacified in the clutch unit
Position is filled, the cover board is provided with clutch unit mounting hole.
4. a kind of clutch used for electronic door lock according to claim 1, which is characterized in that the clutch unit also wraps
Include: the washer contacted with the clutch shaft, the bearing being in contact with the washer, the washer and bearing are arranged in clutch
One end of axis and base contacts, the bearing are arranged in the bearing mounting groove.
5. a kind of clutch used for electronic door lock according to claim 2, which is characterized in that the motor drive component packet
It includes: component slot, motor, the component baffle being separately positioned on the component slot, the active being installed on the motor output shaft
Gear, the driven gear engaged with the driving gear, the worm screw being connect with the driven gear, the group being connect with the worm screw
The driving spring on the worm screw is arranged in part push plate；The component push plate is arranged on the component slot, and the worm screw passes through
Component baffle, the worm screw are installed in rotation on the component slot by the component baffle, and the component slot, component push away
Plate, driving gear, driven gear, worm screw and component baffle are same material.
6. a kind of clutch used for electronic door lock according to claim 5, which is characterized in that further include being arranged in the clutch
Side of the clutch knob far from clutch shaft, the limit rotation is arranged in limit knob on device knob, the limit knob
Button is provided with first boss, the first through hole across the first boss, the first convex block for being arranged in by the first boss.
7. a kind of clutch used for electronic door lock according to claim 6, which is characterized in that the clutch knob is provided with
Second through-hole, third through-hole, the first heavy platform, second boss, the second convex block, the first boss is matched with the first heavy platform, described
First through hole is matched with second through-hole, and the third through-hole is opposite with second convex block, and the first column setting exists
On second convex block.
8. a kind of clutch used for electronic door lock according to claim 7, which is characterized in that the clutch shaft is provided with half
Open groove is provided with third convex block, the second heavy platform in the semi-open type groove, is provided with the 4th on the outside of the semi-open type groove
Convex block, the third convex block are integrated with the 4th convex block, and the semi-open type groove is additionally provided with fourth hole, and the described 4th
Through-hole passes through the third convex block and the 4th convex block, and second heavy platform is matched with the second boss, the clutch knob
The one end for being provided with second boss is arranged in the semi-open type groove；On-of pin, clutch pressure are provided in the fourth hole
Spring and clutch rivet, the on-of pin passes through the clutch pressure spring and is mounted in fourth hole by the clutch rivet, described
One end of on-of pin is towards the component push plate, and the other end is towards the clutch knob；First convex block is towards described half
On the inside of open groove.
9. a kind of clutch used for electronic door lock according to claim 8, which is characterized in that the opening of the semi-open type groove
Place is provided with the 5th convex block, and the 5th convex block is connect with second column.
10. a kind of clutch used for electronic door lock according to claim 5, which is characterized in that the pcb board is arranged described
In component slot, the pcb board is connect with the motor, and the PCB plate is provided with external signal interface；The external signal connects
The interface of mouth is arranged in case surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581375.5U CN208502442U (en) | 2018-04-23 | 2018-04-23 | A kind of clutch used for electronic door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581375.5U CN208502442U (en) | 2018-04-23 | 2018-04-23 | A kind of clutch used for electronic door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502442U true CN208502442U (en) | 2019-02-15 |
Family
ID=65299420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820581375.5U Active CN208502442U (en) | 2018-04-23 | 2018-04-23 | A kind of clutch used for electronic door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173159A (en) * | 2019-05-15 | 2019-08-27 | 金华市西祠安防科技有限公司 | A kind of electronic lock new-type circuit connection type |
-
2018
- 2018-04-23 CN CN201820581375.5U patent/CN208502442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173159A (en) * | 2019-05-15 | 2019-08-27 | 金华市西祠安防科技有限公司 | A kind of electronic lock new-type circuit connection type |
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