CN110056258A - A kind of clutch speed changer and smart lock - Google Patents
A kind of clutch speed changer and smart lock Download PDFInfo
- Publication number
- CN110056258A CN110056258A CN201910441495.4A CN201910441495A CN110056258A CN 110056258 A CN110056258 A CN 110056258A CN 201910441495 A CN201910441495 A CN 201910441495A CN 110056258 A CN110056258 A CN 110056258A
- Authority
- CN
- China
- Prior art keywords
- clutch
- gear
- shaft
- rack
- speed changer
- 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.)
- Granted
Links
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 11
- 210000005069 ears Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 241000237858 Gastropoda Species 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005314 correlation function Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/002—Geared transmissions
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0026—Clutches, couplings or braking arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D11/00—Clutches in which the members have interengaging parts
- F16D2011/008—Clutches in which the members have interengaging parts characterised by the form of the teeth forming the inter-engaging parts; Details of shape or structure of these teeth
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The present invention relates to field of lockset, more particularly to a kind of clutch speed changer and smart lock, by driving gear and shaft coaxially fixed clutch driving gear, clutch, clutch rack is movably set on shaft, and clutch driving gear is engaged with the clutch gear on clutch rack, and clamping one connects the elastic clamping pieces of clutch rack outside shaft.Motor forward or reverse when, elastic clamping pieces can drive clutch rack turn to the position that clutch gear and output gear group are drivingly connected forward or backwards under the effect of the frictional force of shaft, to realize unlocking or shut.Due to being movable setting between clutch rack and shaft, and it is attached by elastic clamping pieces, when using mechanical unlocking (key or emergency knob are unlocked), output gear group can push clutch gear to be displaced outwardly towards the direction being disengaged from, to and motor and input gear group be detached from drive connection relationship, it unlocks at this time more labor-saving, simple and reliable for structure, usage experience is good.
Description
Technical field
The present invention relates to field of lockset, and in particular to a kind of clutch speed changer and smart lock.
Background technique
Speed changer used in smart lock on the market at present, because it is the groups such as worm and wheel that the input of motor, which goes out wheel group,
Close, bigger transmission ratio can be obtained in this way, in practical applications, motor in smart lock can be realized by e-command rotate forward and
Reversion, to drive the output wheel of output gear group to rotate and reverse, to realize unlocking and shut.But it is static in motor, it adopts
When being unlocked with key band movable lock core or being unlocked using emergency knob, due to needing to drive whole transmission mechanism operatings, open in this way
The dynamics opened is larger, and usage experience is poor, and worm and wheel is also easy to produce structural self-locking, leads to not unlock, using not
It is convenient, it is not able to satisfy and the practical and application on the correlation function of smart lock field.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of clutch speed changer
And smart lock, solve the problems, such as that existing clutch speed changer and smart lock opening force spend that big, usage experience is poor.
In order to solve the above technical problems, the present invention provides a kind of clutch speed changer, comprising: shell and be set to the shell
The clutch of interior input gear group, output gear group and connection the input gear group and output gear group, it is described defeated
Enter gear set by can positive and negative rotation motor driven；
The clutch includes coaxial fixed clutch driving gear, clutch driving gear and shaft, the input
Gear set and the clutch driving gear are drivingly connected；
The clutch further include the clutch rack being movably set on the shaft, be set on the clutch rack and with
The clutch gear of the clutch driving gear engagement and the elastic clip for being arranged in outside the shaft and connecting the clutch rack
Gripping member；The elastic clamping pieces can the frictional force of shaft effect under drive the clutch rack turn to the clutch gear with it is defeated
Gear set is drivingly connected out.
Still more preferably scheme of the invention is: the clutch rack is equipped with the through-hole with the shaft clearance fit,
The elastic clamping pieces include resilient clamp in the clamping ring portion on the shaft external cylindrical surface and the company being connected on clutch rack
Socket part.
Still more preferably scheme of the invention is: the clutch rack is equipped with bail, and the interconnecting piece is connected in described
At bail.
Still more preferably scheme of the invention is: the clutch rack includes Liang Ge ear, is all provided in each ear
There is the clutch gear.
Still more preferably scheme of the invention is: described two ears are oppositely arranged.
Still more preferably scheme of the invention is: state shaft set on the clutch driving gear and clutch driving gear it
Between.
Still more preferably scheme of the invention is: the shaft, clutch driving gear and clutch driving gear one at
Type setting.
Still more preferably scheme of the invention is: the input gear group includes being set in the shaft of the motor
Worm screw, and the power transmitting gear or power transmitting gear group that are engaged between the worm screw and clutch driving gear.
Still more preferably scheme of the invention is: the shell includes lower case and the upper housing equipped with cavity, institute
It states power transmitting gear or power transmitting gear group and clutch driving gear is located in the cavity of the upper housing；The worm screw
In the lower case, the cavity side walls are equipped with empty avoiding window, and the power transmitting gear or power transmitting gear group pass through
The empty avoiding window is engaged with the worm screw.
Still more preferably scheme of the invention is: the shaft is set to the clutch driving gear and clutch drives gear
Between, the bottom of the cavity is equipped with axis hole, and the shaft, which passes through axis hole extension, is in lower case, the clutch rack and from
Gear is closed to be located in the lower case.
Still more preferably scheme of the invention is: the bottom of the cavity is equipped with the limit towards the lower case protrusion
Boss, when the clutch gear is turned to clutch rack with output gear group drive connection position, the clutch rack or elastic clip
Gripping member mutually stops with the positive stop lug boss.
In order to solve the above technical problems, the present invention also provides a kind of smart locks, which is characterized in that including as described above from
Close speed changer.
The beneficial effects of the present invention are, by driving gear and shaft coaxially fixed clutch driving gear, clutch,
Clutch rack is movably set on the shaft, and clutch driving gear is engaged with the clutch gear on clutch rack, and
The elastic clamping pieces of the one connection clutch rack of clamping outside the shaft.Motor forward or reverse when, elastic clamping pieces can be
The frictional force effect of shaft is lower to drive the clutch rack to turn to the clutch gear and the driving of output gear group forward or backwards
The position of connection, to realize unlocking or shut.Due to being movable setting between clutch rack and shaft, and pass through elastic clamping pieces
It is attached, when using mechanical unlocking (key or emergency knob are unlocked), output gear group can be pushed away towards the direction being disengaged from
Dynamic clutch gear is displaced outwardly, to be detached from drive connection relationship with motor and input gear group, is unlocked at this time more labor-saving, structure
Simple and reliable, usage experience is good.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the schematic diagram of internal structure of speed changer of the present invention；
Fig. 2 is the explosive view of speed changer of the present invention；
Fig. 3 is the clutch schematic perspective view of speed changer of the present invention；
Fig. 4 is each component meshing relation schematic diagram inside speed changer of the present invention；
Fig. 5 is the upper housing three-dimensional structure diagram of speed changer of the present invention；
Fig. 6 is another angle three-dimensional structure diagram of upper housing of speed changer of the present invention；
Fig. 7 is each component meshing relation schematic diagram in speed changer inside when motor of the present invention rotates forward；
Each component meshing relation schematic diagram inside speed changer when Fig. 8 is motor reversal of the present invention；
Fig. 9 is that there are two the speed changer schematic diagram of internal structures of clutch gear for present invention tool.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
Embodiment one
As shown in Figure 1-3, the clutch speed changer of the present embodiment, the input tooth including shell 1 and in the shell 1
The clutch 4 of wheel group 2, output gear group 3 and connection the input gear group 2 and output gear group 3, the input gear
Group 2 by can the motor 5 of positive and negative rotation drive；The clutch 4 includes coaxial fixed clutch driving gear 41, clutch sliding tooth
Wheel 42 and shaft 43, the input gear group 2 are drivingly connected with the clutch driving gear 41；The clutch 4 also wraps
The clutch rack 44 being movably set on the shaft 43 is included, is set on the clutch rack 44 and drives gear 42 with the clutch
The clutch gear 45 of engagement, and be arranged in 43 outside of shaft and connect the elastic clamping pieces 46 of the clutch rack 44；Institute
State elastic clamping pieces 46 can be driven under the effect of the frictional force of shaft 43 clutch rack 44 turn to the clutch gear 45 with
Output gear group 3 is drivingly connected.It, will by driving gear 42 and shaft 43 coaxial fixed clutch driving gear 41, clutch
Clutch rack 44 is movably set on the shaft 43, and clutch driving gear 42 is nibbled with the clutch gear 45 on clutch rack 44
It closes, and clamping one connects the elastic clamping pieces 46 of the clutch rack 44 outside the shaft 43.Motor 5 forward or reverse when,
Elastic clamping pieces 46 can drive the clutch rack 44 to turn to the clutch forward or backwards under the effect of the frictional force of shaft 43
The position that gear 45 and output gear group 3 are drivingly connected, to realize unlocking or shut.Due between clutch rack 44 and shaft 43
It is arranged for activity, and is attached by elastic clamping pieces 46, using mechanical (key driven cylinder 6 or the knob 7 of meeting an urgent need of unlocking
Unlock) when, output gear group 3 can push clutch gear 45 to be displaced outwardly towards the direction being disengaged from, thus with input gear group 2
It is detached from and is indirectly drivingly connected relationship, unlock at this time more labor-saving, simple and reliable for structure, usage experience is good.
As shown in Figure 2 and Figure 3, input gear group 2 includes the worm screw 21 being set in the shaft of the motor 5, and engagement
Power transmitting gear or power transmitting gear group between the worm screw 21 and clutch driving gear 41.Specifically, this implementation
Example is power transmitting gear group, and the power transmitting gear group be the worm gear 22 engaged with the worm screw 21 and set on the snail
Coaxial pinion 23 on wheel 22, the coaxial pinion 23 are engaged with the clutch driving gear 41.
As shown in figures 2-6, to make the structure of speed changer more reasonable, the shell 1 includes lower case 11 and is equipped with
The upper housing 12 of cavity 121, the worm gear 22, the pinion gear 23 being coaxially disposed with worm gear 22 and clutch driving gear 41 are located at
In the cavity 121 of the upper housing 12, the cavity 121 is equipped with cover board 122；The worm screw 21 is set to the lower case 11
Interior, 121 side wall of cavity is equipped with empty avoiding window 123, and the worm gear 22 is engaged by the empty avoiding window 123 with the worm screw 21,
The pinion gear 23 that the clutch driving gear 41 is coaxially disposed in cavity 121 with worm gear 22 engages.The output gear group 3 can
To be the single output gear 32 for being directly connected to lockset side's item (square item can drive lock tongue telescopic moving), it is also possible to by least
The gear set that one intermediate gear and output gear 32 are constituted.In the present embodiment, the output gear group 3 includes being set to lower casing
Rear class transmission gear 31 on body 11 and the output gear for being arranged on upper housing 12 and being engaged with the rear class transmission gear 31
Wheel 32, for engaging with the clutch gear 45, the upper housing 12 is equipped with defeated for installing the rear class transmission gear 31
The hole location 124 of gear 32 out.The specific rear class transmission gear 31 includes the gear that center is equipped with shaft or shaft hole
311, it is toothed around on the outer circumference surface of the gear 411, the gear 311 is equipped with the gear for protruding from end face
Boss 312, the gear 311 are used to engage with the clutch gear 45, and the gear boss 312 is bevel gear boss,
The output gear 32 is equipped with cone increment, and the cone increment is engaged with the bevel gear boss.Further, the cavity 121
Bottom be equipped with axis hole 125, the shaft 43 be set to the clutch driving gear 41 and clutch driving gear 42 between, the column
Body 43 passes through the axis hole 125 and extends in lower case 11, and the clutch rack 44 and clutch gear 45 also are located at the lower case
In 11.Preferably, the shaft 43, clutch driving gear 41 and clutch driving gear 42 are integrally formed setting, the shaft 43
Outer surface is cylindrical surface, or at least described outer surface with the contact position of elastic clamping pieces 46 is cylindrical surface.The cavity
121 bottom is equipped with the positive stop lug boss 126 towards 11 protrusion of lower case, and the clutch gear 45 is turned to clutch rack 44
When being drivingly connected position with the rear class transmission gear 31 of output gear group 3, the clutch rack 44 or elastic clamping pieces 46 with it is described
Positive stop lug boss 126 mutually stops.The setting of positive stop lug boss 126 will not after may make clutch gear 45 to engage with output gear group 3
Continue effectively drop towards the movement of the direction for the rear class transmission gear 31 for compressing output gear group 3 because of the rotation of shaft 43
Fretting wear between low clutch gear 45 and output gear group 3 also can be reduced noise generation.
As shown in Fig. 3, Fig. 9, the clutch rack 44 is equipped with the through-hole 441 with 43 clearance fit of shaft, the bullet
Property clamping piece 46 include resilient clamp in the clamping ring portion 461 on 43 external cylindrical surface of shaft and be connected on clutch rack 44
Interconnecting piece 462, the clamping ring portion 461 are not limited to the annular ring that the entirety of diagram is contacted with shaft 43, are also possible to
The only polymorphic structure that is contacted with shaft 43 of portion.Further, the clutch rack 44 is equipped with bail 442, the company
Socket part 462 is connected at the bail 442.Specifically, elastic clamping pieces 46 are elastic component, interconnecting piece 462 is clamping ring portion 461
The clamping bar of opening, clamping ring portion 461 are tight on shaft 43, and playing the role of friction and sliding, (namely elastic clamping pieces 46 were both elastic
Be connected on the cylinder of shaft 43, and allow shaft 43 be freely rotated relative to clamping ring portion 461), elastic clamping pieces 46 with from
It closes frame 44 to connect, open card is on bail 442.It further, is the response time for reducing switch lock, the clutch rack 44 includes
Liang Ge ear 443 is equipped with the clutch gear 45 in each ear 443.Preferably, described two ears 443
It is oppositely arranged.
As described in Fig. 1-8, the clutch speed changer working principle of this implementation is as follows: when motor 5 rotates forward, passing through worm screw 21 and snail
22 driving clutch driving gear 41 of wheel rotates, and since elastic clamping pieces 46 clamp 43 surface of shaft, has certain friction, also can
And then it rotates, and clutch rack 44 is driven to have enough to meet the need together around shaft 43, the positive stop lug boss 126 of 12 cavity of upper housing, 121 bottom limits
The slewing area of clutch rack 44, clutch rack 44 can only turn to the clutch gear 45 on clutch rack 44 just can be with rear class gear teeth
The position of 31 engagement of wheel, motor 5, which continues to rotate, at this time can drive output gear 32 to complete to unlock or shut movement；Motor 5 inverts
When, by above-mentioned principle, clutch gear 45 can rotate another side and engage with rear class transmission gear 31, and motor 5 continues to rotate at this time
Output gear 32 can be driven to completely shut or unlocking action.When 5 rotation stop of motor, worm screw 21, worm gear 22 and clutch driving gear 41
It is in ratcheting self-locking state, by the external forces such as key or emergency knob 7, output gear group 3 is driven (finally to drive rear class
Transmission gear 31) it is rotated to the movable direction of energy, drive the rotation of clutch rack 44 disengaging and rear class to become to stir clutch gear 45
The engagement of fast gear 31, output gear 32 can be under key driven cylinder 6 or the emergency external forces such as knob 7 smoothly just at this time
Reversely be freely rotated, that is, by external force from rear class input, at least one direction can with ease rotation output gear group 3, and
By 21 worm gear 22 of worm screw etc., mechanisms are not self-locking is limited.
Embodiment two
The present embodiment also provides a kind of smart lock, including the clutch speed changer in embodiment one.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
Any modification made all within the spirits and principles of the present invention, equivalent replacement, improve etc., it should be included in guarantor of the invention
It protects in range.
Claims (12)
1. a kind of clutch speed changer characterized by comprising
Shell and the input gear group being disposed in the housing, output gear group and the connection input gear group and output
The clutch of gear set, the input gear group by can positive and negative rotation motor driven；
The clutch includes coaxial fixed clutch driving gear, clutch driving gear and shaft, the input gear
Group is drivingly connected with the clutch driving gear；
The clutch further include the clutch rack being movably set on the shaft, be set on the clutch rack and with it is described
The clutch gear of clutch driving gear engagement and the elastic clamping pieces for being arranged in outside the shaft and connecting the clutch rack；
The elastic clamping pieces can drive the clutch rack to turn to the clutch gear and output gear under the effect of the frictional force of shaft
Wheel group is drivingly connected.
2. clutch speed changer according to claim 1, it is characterised in that: the clutch rack is equipped with and the shaft gap
The through-hole of cooperation, the elastic clamping pieces include resilient clamp in the clamping ring portion on the shaft external cylindrical surface and be connected to from
Close the interconnecting piece on frame.
3. clutch speed changer according to claim 2, it is characterised in that: the clutch rack is equipped with bail, the connection
Portion is connected at the bail.
4. clutch speed changer according to claim 2, it is characterised in that: the clutch rack includes Liang Ge ear, Mei Gesuo
It states and is equipped with the clutch gear in ear.
5. clutch speed changer according to claim 4, it is characterised in that: described two ears are oppositely arranged.
6. clutch speed changer according to claim 5, it is characterised in that: the shaft be set to the clutch driving gear and
Clutch drives between gear.
7. clutch speed changer according to claim 6, it is characterised in that: the shaft, clutch driving gear and clutch are driven
Moving gear is integrally formed setting.
8. -7 any clutch speed changer according to claim 1, it is characterised in that: the input gear group includes being set to
Worm screw in the shaft of the motor, and the power transmitting gear or dynamic being engaged between the worm screw and clutch driving gear
Power transmission gear group.
9. clutch speed changer according to claim 8, it is characterised in that: the shell include lower case and be equipped with cavity
Upper housing, the power transmitting gear or power transmitting gear group and clutch driving gear are located at the cavity of the upper housing
It is interior；The worm screw is set in the lower case, and the cavity side walls are equipped with empty avoiding window, the power transmitting gear or power transmitting
Gear set is engaged by the empty avoiding window with the worm screw.
10. clutch speed changer according to claim 9, it is characterised in that: the shaft is set to the clutch driving gear
Between clutch driving gear, the bottom of the cavity is equipped with axis hole, and the shaft, which passes through axis hole extension, is in lower case,
The clutch rack and clutch gear are located in the lower case.
11. clutch speed changer according to claim 10, it is characterised in that: the bottom of the cavity is equipped with towards under described
The positive stop lug boss of case protrusion, it is described when the clutch gear is turned to clutch rack with output gear group drive connection position
Clutch rack or elastic clamping pieces mutually stop with the positive stop lug boss.
12. a kind of smart lock, which is characterized in that including any clutch speed changer of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441495.4A CN110056258B (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910441495.4A CN110056258B (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110056258A true CN110056258A (en) | 2019-07-26 |
| CN110056258B CN110056258B (en) | 2024-03-22 |
Family
ID=67324494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910441495.4A Active CN110056258B (en) | 2019-05-24 | 2019-05-24 | Clutch transmission and intelligent lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110056258B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196371A (en) * | 2020-10-30 | 2021-01-08 | 浙江如怀工贸有限公司 | Worm gear reversing speed-reducing clutch device of lock body and using method |
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| CN112196371A (en) * | 2020-10-30 | 2021-01-08 | 浙江如怀工贸有限公司 | Worm gear reversing speed-reducing clutch device of lock body and using method |
| CN112196371B (en) * | 2020-10-30 | 2023-11-03 | 浙江如怀工贸有限公司 | Worm wheel reversing speed-reducing clutch device of lock body and use method |
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Effective date of registration: 20240918 Address after: 518000 Baoyuan Community, Baoyuan Community, Shiyan Street, Bao'an District, Shenzhen City, Guangdong Province, China Patentee after: Shenzhen Fenda Smart Home Co.,Ltd. Country or region after: China Address before: 518000 703, building 2, phase II, Fenda Science Park, Langxin community, Shiyan street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Romans Smart Home Co.,Ltd. Country or region before: China |