CN109253214A - A kind of emergency gearbox - Google Patents
A kind of emergency gearbox Download PDFInfo
- Publication number
- CN109253214A CN109253214A CN201811265795.3A CN201811265795A CN109253214A CN 109253214 A CN109253214 A CN 109253214A CN 201811265795 A CN201811265795 A CN 201811265795A CN 109253214 A CN109253214 A CN 109253214A
- Authority
- CN
- China
- Prior art keywords
- clutch
- emergency
- change pulley
- power output
- gear group
- 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
Classifications
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- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
- F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
- F16H1/22—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
- F16H1/222—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with non-parallel axes
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
-
- 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
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- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/039—Gearboxes for accommodating worm gears
-
- 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
-
- 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
- E05B2047/0084—Key or electric means; Emergency release
- E05B2047/0086—Emergency release, e.g. key or electromagnet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanical Operated Clutches (AREA)
- Pulleys (AREA)
Abstract
The present invention relates to door lock fittings fields, more particularly to a kind of emergency gearbox, the clutch matching piece and driving gear being connect including gearbox body, power output gear group, automatic power input gear group, clutch component, emergency knob with the emergency knob, when clutch matching piece is with emergency knob, clutch component can be driven to be in separation or bonding state；Driving gear includes the region of engagement engaged with power output gear group and the empty avoiding area being disengaged from power output gear group；For driving gear with emergency knob to when engaging with power output gear group, clutch matching piece drives the clutch component to be in discrete state；For driving gear with emergency knob to when being disengaged from power output gear group, clutch matching piece drives the clutch component to be in bonding state.When being in power failure, emergency knob is turned, clutch and unlock operation can be synchronously completed, operation is extremely easy.
Description
Technical field
The present invention relates to door lock fittings fields, and in particular to a kind of emergency gearbox.
Background technique
Security door quality on the market is irregular at present, lockset be the anti-theft security performance of door important consideration index it
One, almost all of lockset is all that mechanically, main lock tongue is cylinder or rectangular, locks intracorporal stroke block by external force twisting and reaches
The purpose of switch lock, such lock body structure is complicated, and accessory is various, and failure rate is big, and the intelligence for having been unable to meet and rising
Lockset matches.
And common smart lock is had any different and is locked in tradition machinery, is that one kind can be in user's identification, safety, management type etc.
The more intelligentized lockset of aspect controls the unlatching and closing of security door in the way of intelligent distant control.
But existing smart lock is operated by motor driven latch tonguing row switch lock, when out of power, passes through emergency
Tripper opens the associated actuator of security door manually, and structure is complicated, and is easy to appear internal structure clamping stagnation or failure, Wu Fakai
The case where lock, unlocks alternatively, user needs that structural friction can just be overcome to realize using biggish dynamics；Also, existing clutch dress
It is equipped with higher required precision, could accurately realize clutch operation.In addition, existing emergency tripper is often equipped with clutch knot
Structure and unlocking structure, user need first to turn clutch structure and realize clutch, then turn unlocking structure and realize unlocking, operate more multiple
It is miscellaneous, and process is fixed, it is necessary to first clutch is unlocked again, and user generally requires both hands operation, brings great inconvenience to users.
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, a kind of emergency gearbox is provided,
Solving emergency, structure is complicated, the higher problem of clutch required precision.
To solve this technical problem, the present invention provides a kind of emergency gearbox, including gearbox body, power output gear
Group, the automatic power input gear group being driven by motor in gearbox body and it is located at power output gear group and automatic dynamic
Clutch component between power input gear group, it is described emergency gearbox further include meet an urgent need knob with it is described meet an urgent need knob connect from
Closing matching piece and driving gear can drive the clutch component to be in and divide when the clutch matching piece is with emergency knob
From or bonding state；The driving gear include the region of engagement engaged with power output gear group and with power output gear group
The empty avoiding area being disengaged from；When the driving gear is extremely engaged with power output gear group with emergency knob, the clutch
Matching piece drives the clutch component to be in discrete state；The driving gear with emergency knob to and power output gear
When group is disengaged from, the clutch matching piece drives the clutch component to be in bonding state.
Wherein, preferred version is: the clutch matching piece is equipped with the first groove.
Wherein, preferred version is: the clutch component include trip(ping) lever, the intermediate change pulley for being located at trip(ping) lever one end and
With the intermediate speed change steamboat of intermediate change pulley coaxial arrangement, when the emergency knob drives the rotation of clutch matching piece, the clutch
The decline of bar one end, the other end rise, and the middle rank change pulley is separated with intermediate speed change steamboat；Described trip(ping) lever one end is located at first
When in groove, the middle rank change pulley is in conjunction with intermediate speed change steamboat.
Wherein, preferred version is: the middle rank change pulley is equipped with protrusion, and the middle rank speed change steamboat, which is equipped with, is meeting an urgent need
Combine under the driving of component with protrusion or the second groove for separating, alternatively, the middle rank speed change steamboat is equipped with protrusion, it is described in
Grade change pulley is equipped with the second groove for combining or separating with protrusion under the driving of emergency component.
Wherein, preferred version is: the two sides of second groove are equipped with auxiliary chute, and the end edge of adjacent auxiliary chute is tangent
Setting.
Wherein, preferred version is: the protrusion is equipped with frustum.
Wherein, preferred version is: the clutch component further includes the first clutch spring for depressing intermediate change pulley, described
The axis that intermediate change pulley is arranged is clutch shaft, and first clutch spring is located at the lid of intermediate change pulley and clutch shaft or gearbox body
Between plate；When the driving gear is extremely disengaged from power output gear group with emergency knob, the clutch matching piece
Driving trip(ping) lever is in stable state, and first clutch spring pushes intermediate change pulley, the middle rank change pulley and intermediate speed change
Steamboat combines setting.
Wherein, preferred version is: described middle rank change pulley one end is equipped with extension, and described trip(ping) lever one end is supported with extension
Touching；For the driving gear with emergency knob to when engaging with power output gear group, the clutch matching piece drives clutch
The decline of bar one end, the other end rises, and tilting extension, separates intermediate change pulley with intermediate speed change steamboat.
Wherein, preferred version is: the clutch component further include torsional spring and with intermediate change pulley coaxial arrangement second
Clutch spring, the one end of torsional spring contradict trip(ping) lever；The driving gear takes off with emergency knob to power output gear group
When from engagement, clutch matching piece driving trip(ping) lever is in stable state, and the torsional spring is in energy storage state, described second from
It closes spring and is in compressive state, intermediate change pulley is set in conjunction with intermediate speed change steamboat；The driving gear turns with emergency knob
It moves to when being engaged with power output gear group, clutch matching piece driving trip(ping) lever one end decline, the other end rises, the torsion
Spring is in and puts power state, and second clutch spring is in release conditions, keeps intermediate change pulley and intermediate speed change steamboat separately positioned.
Wherein, preferred version is: the automatic power input gear group includes gear assembly, worm screw and engages with worm screw
Worm gear, the gear assembly is equipped with and the prime change pulley that with intermediate change pulley engages coaxial fixed with worm gear, also, described
The height of prime change pulley is greater than or equal to stroke of intermediate change pulley during clutch.
The beneficial effects of the present invention are compared with prior art, the present invention works as place by designing a kind of emergency gearbox
When power failure, emergency knob is turned, clutch matching piece can drive clutch component to separate, emergency unlock is then carried out again,
Without excessively high required precision, as long as turning emergency knob, overall structure is very ingenious；In addition, turning emergency knob
Also will drive the rotation of sliding tooth wheel simultaneously, power output gear group output power can be driven in driving gear, for such, user
It only need to directly turn emergency knob, so that it may while realizing that clutch and unlock operation, operation are extremely easy.
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 explosive view of present invention emergency gearbox；
Fig. 2 is the schematic diagram of the one embodiment of present invention emergency gearbox；
Fig. 3 is the partial enlarged view of Fig. 2；
Fig. 4 is the schematic diagram of intermediate change pulley of the invention；
Fig. 5 is the schematic diagram of another embodiment of present invention emergency gearbox；
Fig. 6 is the partial enlarged view of Fig. 5.
Specific embodiment
Now in conjunction with attached drawing, elaborate to presently preferred embodiments of the present invention.
As shown in Figures 1 to 6, the present invention provides a kind of preferred embodiment of gearbox of meeting an urgent need.
Specifically, a kind of emergency gearbox, the emergency gearbox is mounted on lockset, for driving lockset to unlock.Institute
State emergency gearbox include gearbox body 10, power output gear group, driven by motor 31 in gearbox body 10 it is automatic
Power input gear group and the clutch component being located between power output gear group and automatic power input gear group, it is described to answer
Anxious gearbox further includes emergency component, and under power failure, the emergency Component driver clutch component completes clutch operation, this
When, the automatic power input gear group does not drive power output gear group output power, but changes and moved by emergency Component driver
Power output gear group output power.To when needing to unlock manually, such as under power failure, also can be realized lockset
Unlock operation.
Specifically, with reference to Fig. 1, the clutch component includes trip(ping) lever 21, is located at 21 one end of trip(ping) lever and and trip(ping) lever
The 21 intermediate change pulleys 11 being drivingly connected and the intermediate speed change steamboat 12 being coaxially disposed with intermediate change pulley 11, the trip(ping) lever
21 be clutch lever, is mounted on gearbox body 10, when 21 one end of trip(ping) lever decline when, the other end must rise, it is described in
Grade change pulley 11 also rises with it, separately positioned with intermediate speed change steamboat 12, i other words, intermediate change pulley 11 becomes with middle rank at this time
Fast steamboat 12 will not have an impact between each other.
Further, with reference to Fig. 1 and Fig. 2, the emergency component includes the clutch matching piece for being located at 21 other end of trip(ping) lever
And with the coaxial fixed emergency knob 51 of clutch matching piece, the clutch matching piece with emergency knob 51 rotation and turn
Dynamic, the clutch matching piece is equipped with the first groove 221.When knob 51 of meeting an urgent need drives the rotation of clutch matching piece, the clutch
Bar 21 progressively disengages the first groove 221, at this point, lower pressure of the trip(ping) lever 21 by clutch matching piece, is pushed, and from
21 other end of bar is closed to be risen, thus, the middle rank change pulley 11 and intermediate speed change steamboat 12 are separately positioned.When emergency knob
51 do not drive clutch matching piece rotate when, described 21 one end of trip(ping) lever is located in the first groove 221, although the trip(ping) lever 21 1
Hold on the rise, still, the upper surface of described 21 one end of trip(ping) lever and the slot bottom end face of the first groove 221 mutually contradict, institute
It states 21 one end of trip(ping) lever to be limited in the first groove 221, the trip(ping) lever 21 is in stable state, described 21 one end of trip(ping) lever
It will not continue to rise, and at this point, the middle rank change pulley 11 is being pressed against by 21 other end of trip(ping) lever, then the intermediate change pulley 11
Setting is combined with intermediate speed change steamboat 12, under the driving of motor 31, the automatic power input gear group drives intermediate change pulley
11 rotations, the middle rank change pulley 11 drives intermediate speed change steamboat 12 to rotate, and intermediate speed change steamboat 12 drives power output tooth
Wheel group output power.Wherein, the clutch matching piece is clutch gear 22, and certainly, the clutch matching piece can also not be tooth
Wheel, but other set reeded component, the purpose for being set as clutch gear 22 in the present embodiment is to be able to and lock core knot
Structure engagement guarantees to realize that clutch is grasped in Men Nei or outdoors so that lock core structure is able to drive the rotation of clutch gear 22
Make.
Still further, with reference to Fig. 1, the emergency component further includes and the emergency coaxial fixed driving gear of knob 51
52, the driving gear 52 is located at power output gear group side, the driving gear 52 with the rotation of emergency knob 51 and
Rotation.When turning emergency knob 51, clutch gear 22 and driving gear 52 is driven to rotate synchronously, the clutch gear 22 drives
The decline of 21 one end of trip(ping) lever, the other end rise, at this point, intermediate change pulley 11 and intermediate speed change steamboat 12 are separately positioned, and it is described
Gear 52 and power output gear group is driven to be drivingly connected, the driving gear 52 continues to turn with the rotation of emergency knob 51
It is dynamic, drive power output gear group output power.In this way, only need to directly turn emergency knob 51, so that it may while realize from
It closes and unlock operates, overall structure is extremely simple, and operation is also extremely easy.Wherein, the driving gear 52 is equipped with empty avoiding
Area 521, when the emergency knob 51 does not rotate, the empty avoiding area 521 towards power output gear group, i other words, the drive
Moving gear 22 is disengaged from power output gear group, and so, the automatic power input gear group drives power output
When gear set carries out power output, driving gear 52 will not be driven to rotate, would not also drive emergency knob 51 and clutch tooth
22 rotation of wheel；The driving gear is additionally provided with region of engagement 522, and when knob 51 of meeting an urgent need rotates, the region of engagement 522 also will be with
The engagement of power output gear group, the driving gear 22 drive power output gear group output power.
Further, with reference to Fig. 3 and Fig. 4, the middle rank change pulley 11 is equipped with protrusion 121, the middle rank speed change steamboat
12 are equipped with the second grooves 111 being adapted with described raised 121, and under the driving effect of emergency component, described raised 121 stretch
Enter or stretch out the second groove 111, realize mutual combination or separation, so that intermediate change pulley 11 and intermediate speed change steamboat
12 combinations or separately positioned；Alternatively, the middle rank speed change steamboat 12 is equipped with the second groove 111, on the middle rank change pulley 11
Equipped with described raised 121 the second adaptable grooves 111, under the driving effect of emergency component, described raised 121 protrude into or
Person stretches out the second groove 111, realizes mutual combination or separation, so that intermediate change pulley 11 and intermediate 12 knot of speed change steamboat
It closes or separately positioned；Also or, the middle rank change pulley 11 is equipped with the second groove 111 and protrusion 121, and the middle rank speed change is small
Wheel 12 is also equipped with the second groove 111 and protrusion 121, and under the driving effect of emergency component, described raised 121 protrude into or stretch out
Second groove 111 realizes mutual combination or separation, so that intermediate change pulley 11 is combined or divided with intermediate speed change steamboat 12
From setting.It is noted that being that intermediate change pulley 11 and intermediate speed change are small when protrusion 121 and the second groove 111 combine
Wheel 12 combines, at this point, the middle rank change pulley 11 and intermediate speed change steamboat 12 can mutually drive rotation, it is that the middle rank becomes
The rotation of speed wheel 11 will drive intermediate speed change steamboat 12 and rotate, and the rotation of the middle rank speed change steamboat 12 also will drive intermediate speed change
The rotation of wheel 11.It is that intermediate change pulley 11 and intermediate speed change steamboat 12 separate when protrusion 121 and the second groove 111 separate,
At this point, the middle rank change pulley 11 and intermediate speed change steamboat 12 do not influence mutually.
In the present embodiment, with reference to Fig. 4, the two sides of second groove 111 are equipped with auxiliary chute 112, and the auxiliary is slided
Slot 112 centainly protrudes into the second groove 111 for auxiliary projection 121.The middle rank change pulley 11 is under the driving of emergency component
Intermediate speed change steamboat 12 is moved closer to, when intermediate change pulley 11 has just touched intermediate speed change steamboat 12, raised 121 position
It may not be just opposite with the position of the second groove 111 for setting, and described raised 121 can first touch auxiliary chute 112, and assist
Sliding slot 112 is equipped with certain slope, and the middle rank change pulley 11 is mobile followed by the intermediate speed change steamboat 12 of direction, and described raised 121
The second groove 111 gradually can be slided to from auxiliary chute 112, to protrude into the second groove 111.Preferably, adjacent auxiliary chute
The tangent setting of 112 end edge, no matter how intermediate change pulley 11 rotates with intermediate speed change steamboat 12, and described raised 121 is all certain
It can extend into the second groove 111, to guarantee that clutch not will fail.
Further, it is equipped with the frustum 1211 being adapted with auxiliary chute 112 with reference to Fig. 3, described raised 121, it is described
The gradient of frustum 1211 and the gradient of auxiliary chute 112 are consistent, and facilitating protrusion 121, from auxiliary chute 112 to slide to second recessed
Slot 111.Certainly, the gradient of the frustum 1211 can also with no restrictions, also can auxiliary projection 121 it is sliding from auxiliary chute 112
To the second groove 111.
Still further, the trip(ping) lever 21 is fixed on gearbox body 10 by screw 28, described with reference to Fig. 5 and Fig. 6
Clutch component further include with intermediate coaxial the first fixed clutch spring 27 of change pulley 11, and the common axis of the two is fixed on speed change
On case, which is clutch shaft, and the middle rank change pulley 11 and the first clutch spring 27 only move on clutch shaft, first clutch
Spring 27 is located between intermediate change pulley 11 and clutch shaft or the cover board of gearbox body 10；Specifically, with reference to Fig. 5, described first
Clutch spring 27 is set on clutch shaft, also, described first clutch spring, 27 one end contradicts trip(ping) lever 21, and the other end contradicts middle rank
Change pulley 11.In view of route problem, 10 one end of gearbox body protrusion setting, the clutch shaft is able to extension length.When
When emergency component does not push 21 one end of trip(ping) lever, when being that the clutch gear 22 does not rotate, described 21 one end of trip(ping) lever is located at
In first groove 221, the trip(ping) lever 21 is in stable state, and first clutch spring 27 is in compressive state, gives middle rank
The certain elastic force of change pulley 11 makes intermediate change pulley 11 be combined setting with intermediate speed change steamboat 12.
Further, with reference to Fig. 6, middle rank 11 top of change pulley is equipped with extension 111, described 21 one end of trip(ping) lever
Extension 111 is contradicted, when component of meeting an urgent need pushes 21 one end of trip(ping) lever, when being the clutch gear 22 rotation, the clutch
Bar 21 is declined by one end of lower pressure, is not risen by the other end of lower pressure, and tilting extension 111, so that intermediate speed change
Wheel 11 rises, and separates with intermediate speed change steamboat.Certainly, the intermediate change pulley 11 can also be not provided with extension 111, it is described from
It closes bar 21 directly to contradict with the main body of intermediate change pulley 11, in uphill process, intermediate change pulley 11 is driven to rise together.It is comprehensive
On, the middle rank change pulley 11 and intermediate speed change steamboat 12 realize clutch operation.
Alternatively, the trip(ping) lever 21 is fixed on gearbox body 10 by screw 25, the clutch group with reference to Fig. 1 and Fig. 2
Part further includes torsional spring 23 and the second clutch spring 24 that is coaxial fixed with intermediate change pulley 11 and being located in intermediate change pulley 11, institute
It states 23 one end of torsional spring and contradicts trip(ping) lever 21, also, the torsional spring 23 is fixed on gearbox by screw 26.When emergency component not
When pushing trip(ping) lever 21, when being that clutch gear 22 does not rotate, described 21 one end of trip(ping) lever is located in the first groove 221, described
Trip(ping) lever 21 is in stable state, and the torsional spring 23 is in energy storage state, and second clutch spring 24 is in compressive state, and
And the power of the torsional spring 23 is greater than the power of the second clutch spring 24, and intermediate change pulley 11 is made to be combined setting with intermediate speed change steamboat 12.
When component of meeting an urgent need pushes trip(ping) lever 21, the trip(ping) lever 21 is declined by one end of lower pressure, is not affected by one end of lower pressure
Rise, give torsional spring 23 one end active force, the torsional spring 23 is in and puts power state, and second clutch spring 24 is transformed into release shape
State, under the elastic force effect of the second clutch spring 24, the middle rank change pulley 11 rises, and separates and set with intermediate speed change steamboat 12
It sets.To sum up, the intermediate change pulley 11 and intermediate speed change steamboat 12 realize clutch operation.
Certainly, the emergency gearbox can also be no so complicated, for example, the emergency component is provided only with extrusion,
The trip(ping) lever 21 is fixedly connected with intermediate change pulley 11, squeezes 21 one end of trip(ping) lever by extrusion, the extrusion with from
It closes bar 21 to cooperate, 21 one end of trip(ping) lever can be driven to decline, and 21 other end of trip(ping) lever rises, and drives intermediate change pulley 11
Rise.
In the present embodiment, with reference to Fig. 1, the automatic power input gear group include gear assembly, worm screw 32 and with
The worm gear 33 that worm screw 32 engages, the gear assembly are equipped with prime that is coaxial fixed with worm gear 33 and engaging with intermediate change pulley 11
Change pulley 34, when protrusion 121 is combined with the second groove 111, the motor 31 drives worm screw 32 to rotate, and the worm screw 32 drives
Worm gear 33 rotates, and the worm gear 33 drives prime change pulley 34 to rotate, and the prime change pulley 34 drives 11 turns of intermediate change pulley
Dynamic, the middle rank change pulley 11 drives intermediate speed change steamboat 12 to rotate, and the middle rank speed change steamboat 12 drives power output gear
Group output power, driving lockset unlock.Preferably, the height of the prime change pulley 34 is greater than or equal to intermediate change pulley 11 and exists
Stroke during clutch avoids in this way, guarantee that prime change pulley 34 and intermediate change pulley 11 are constantly in meshing state
Occur after intermediate change pulley 11 is separated with intermediate speed change steamboat 12 in conjunction with when, the intermediate change pulley 11 can not become with prime
The case where speed wheel 34 is restored to meshing state.
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 (10)
1. a kind of emergency gearbox, including gearbox body, power output gear group, oneself being driven by motor in gearbox body
Dynamic power input gear group and the clutch component being located between power output gear group and automatic power input gear group, it is special
Sign is: the emergency gearbox further includes the clutch matching piece and sliding tooth that knob is connect with the emergency knob of meeting an urgent need
Wheel can drive the clutch component to be in separation or bonding state when the clutch matching piece is with emergency knob；The drive
Moving gear includes the region of engagement engaged with power output gear group and the empty avoiding area being disengaged from power output gear group；Institute
Driving gear is stated with emergency knob to when engaging with power output gear group, the clutch matching piece drives the clutch group
Part is in discrete state；The driving gear with emergency knob to be disengaged from power output gear group when, it is described from
Closing matching piece drives the clutch component to be in bonding state.
2. emergency gearbox according to claim 1, it is characterised in that: the clutch matching piece is equipped with the first groove.
3. emergency gearbox according to claim 2, it is characterised in that: the clutch component include trip(ping) lever, be located at from
Close bar one end intermediate change pulley and with intermediate change pulley coaxial arrangement intermediate speed change steamboat, the emergency knob drive from
When closing matching piece rotation, trip(ping) lever one end decline, the other end rises, the middle rank change pulley and intermediate speed change steamboat point
From；When described trip(ping) lever one end is located in the first groove, the middle rank change pulley is in conjunction with intermediate speed change steamboat.
4. emergency gearbox according to claim 3, it is characterised in that: the middle rank change pulley is equipped with protrusion, described
Intermediate speed change steamboat is equipped with the second groove for combining or separating with protrusion under the driving of emergency component, alternatively, the middle rank
Speed change steamboat is equipped with protrusion, and the middle rank change pulley is equipped with for combining or separating with protrusion under the driving of emergency component
Two grooves.
5. emergency gearbox according to claim 4, it is characterised in that: the two sides of second groove are equipped with auxiliary and slide
Slot, the tangent setting of the end edge of adjacent auxiliary chute.
6. emergency gearbox according to claim 5, it is characterised in that: the protrusion is equipped with frustum.
7. according to any emergency gearbox of claim 3 to 6, it is characterised in that: the clutch component further includes being used for
The first clutch spring of intermediate change pulley is pushed, the axis that the middle rank change pulley is arranged is clutch shaft, and first clutch spring is located at
Between intermediate change pulley and the cover board of clutch shaft or gearbox body；The driving gear with emergency knob to and power output
When gear set is disengaged from, the clutch matching piece driving trip(ping) lever is in stable state, and first clutch spring pushes middle rank
Change pulley, the middle rank change pulley are arranged in conjunction with intermediate speed change steamboat.
8. emergency gearbox according to claim 7, it is characterised in that: described middle rank change pulley one end is equipped with extension,
Described trip(ping) lever one end and extension contradict；The driving gear is extremely engaged with power output gear group with emergency knob
When, clutch matching piece driving trip(ping) lever one end decline, the other end rises, and tilting extension, makes intermediate change pulley in
Grade speed change steamboat separation.
9. according to any emergency gearbox of claim 3 to 6, it is characterised in that: the clutch component further includes torsional spring
And the second clutch spring with the coaxial arrangement of intermediate change pulley, the one end of torsional spring contradict trip(ping) lever；The driving gear is with answering
Whirl button turns to when being disengaged from power output gear group, and the clutch matching piece driving trip(ping) lever is in stable state,
The torsional spring is in energy storage state, and second clutch spring is in compressive state, makes intermediate change pulley and intermediate speed change steamboat knot
Close setting；With emergency knob to when engaging with power output gear group, the clutch matching piece drives the driving gear
The decline of trip(ping) lever one end, the other end rise, and the torsional spring is in and puts power state, and second clutch spring is in release conditions, makes
Intermediate change pulley and intermediate speed change steamboat are separately positioned.
10. emergency gearbox according to claim 3, it is characterised in that: the automatic power input gear group includes tooth
Wheel assembly, worm screw and the worm gear engaged with worm screw, the gear assembly be equipped with worm gear it is coaxial fixed and with intermediate change pulley
The prime change pulley of engagement, also, the height of the prime change pulley is greater than or equal to intermediate change pulley during clutch
Stroke.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811265795.3A CN109253214B (en) | 2018-10-29 | 2018-10-29 | Emergency gearbox |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811265795.3A CN109253214B (en) | 2018-10-29 | 2018-10-29 | Emergency gearbox |
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| CN109253214A true CN109253214A (en) | 2019-01-22 |
| CN109253214B CN109253214B (en) | 2023-09-08 |
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| CN201811265795.3A Active CN109253214B (en) | 2018-10-29 | 2018-10-29 | Emergency gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159088A (en) * | 2019-07-05 | 2019-08-23 | 江苏亚亚门业集团有限公司 | A kind of clutch transmission of electronic lock body |
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| CN109253214B (en) | 2023-09-08 |
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