One kind being based on gear-driven clutch mechanism
Technical field
The invention belongs to Clutch Technology fields, more particularly to one kind to be based on gear-driven clutch mechanism.
Background technique
Clutch used at present is mostly one-way clutch;The input shaft of clutch can only one direction rotated;In this way
The effect of clutch is just reduced significantly;Many inconvenience are brought in use;And present machinery field it is then most when
Time needs bidirectional clutch;The development of mechanical cause is thus limited to significantly;So two-way clutch can be had by designing one kind
The clutch of effect is necessary.
The present invention design it is a kind of solved the problems, such as based on gear-driven clutch mechanism it is as above.
Summary of the invention
To solve drawbacks described above in the prior art, the present invention discloses one kind and is based on gear-driven clutch mechanism, it
It adopts the following technical solutions to realize.
One kind being based on gear-driven clutch mechanism, it is characterised in that: it includes flexible input shaft, mounting shell, trapezoidal
Guide rail, triggering guide rail, transmission gear, flexible exterior ring cap, second gear, third gear, scroll spring, first gear, driving card
Block, transmission shaft, extension spring, trapezoidal guide groove, input shaft bore, output shaft hole, first rotating shaft, the first spring, snap ring, fixed circle
Ring, flexible inner ring sleeve, angle trigger mechanism, is driven trigger mechanism, limit plate at support annulus, wherein the inner circle of mounting shell one end
There is trapezoidal guide groove on face;Input shaft bore and output shaft hole are had on the end face of mounting shell two sides, and input shaft bore is located at
Side with trapezoidal guide groove;Trapezoidal rails are mounted in trapezoidal guide groove;Both ends on the upside of trapezoidal rails are separately installed with one
Support annulus;Third gear is divided into smooth end and teeth end;Third gear is mounted in two support annulus by smooth one end
On a support annulus far from input shaft bore one end;On third gear there is teeth one end to be located between two support annulus;
Second gear is divided into smooth end and teeth end;Second gear is mounted in two support annulus by smooth one end close to input shaft
On one support annulus of hole one end;In second gear there is teeth one end to be located between two support annulus;Two transmission shafts
It is symmetrically mounted between two support annulus, the plane of symmetry of two transmission shafts is parallel with trapezoidal rails;Two transmission gear difference
It is mounted on two transmission shafts, and two transmission gears are engaged with second gear and third gear respectively;Two triggering guide rails
Both ends are separately mounted on mounting shell inner headed face, and two triggering guide rails are respectively positioned between two support annulus;First rotating shaft
Both ends are separately installed with a snap ring;First rotating shaft is fitted to two triggerings by two snap rings and two triggering guide rails
Between guide rail;First gear is mounted in first rotating shaft, and first gear is located between two snap rings;First gear and two biographies
Moving gear engages respectively;Two driving fixture blocks are separately mounted on two transmission shafts, and two driving fixture blocks are located at first
Gear two sides play position-limiting action to first gear;Four the first springs are separately installed on the periphery of first rotating shaft, and
Four the first springs are located at the both ends of first rotating shaft in pairs;The other end of four the first springs is separately mounted to install
On shell inner headed face;Two the first springs close to input shaft bore one end are located on the outside of two snap rings;Close to output shaft hole one end
Two the first springs are located between two snap rings;One end of flexible exterior ring cap is mounted on the end face of third gear Smooth side
On;Two groups of symmetrical limit plates are symmetrically installed on the inner headed face of flexible inner ring sleeve one end;Every group of limit in two groups of limit plates
Two limit plates in plate are in the circumferential direction of flexible inner ring sleeve at 30 degree of angles;Limit plate is not installed on flexible inner ring sleeve
One end be located on the inside of flexible exterior ring cap, and flexible inner ring sleeve is mounted on mounting shell inner headed face by clamping rings;Fixed circle
An extension spring, and extension spring are installed between the support annulus of output shaft hole one end in ring and two support annulus
On the outside of flexible exterior ring cap;There is mounting shell one end of output shaft hole to be equipped with for triggering the mobile transmission touching of trapezoidal rails
Send out mechanism;Three groups of angle trigger mechanisms are installed between transmission trigger mechanism and flexible inner ring sleeve.
Above-mentioned transmission trigger mechanism includes trigger board, triggering block, frizzen, dovetail groove, square groove, telescopic output shafts, branch
Pushing out ring pushes disk, and wherein one end of frizzen is mounted on flexible inner ring sleeve close to the inner circle of support annulus one end by support ring
On face;One end on frizzen close to support annulus is equipped with pushing plate;There are gaps between pushing plate and support annulus;Triggering
Square groove is provided on the end face of the other end of bar;Dovetail groove is provided on the side of support annulus one end on square groove;It is flexible
There is compressed spring in output shaft;Telescopic output shafts are mounted in output shaft hole;It is symmetrical on the periphery of telescopic output shafts one end
There are two triggering blocks for ground installation;One end of trigger board has symmetrical two inclined-planes;The other end of trigger board be mounted on stretch it is defeated
It is equipped on shaft on the end face of triggering block one end;Inclined-plane and dovetail groove in trigger board cooperate;Telescopic output shafts and it is flexible in
Scroll spring is installed between ring set and scroll spring is located on the inside of mounting shell.
As the further improvement of this technology, above-mentioned angle trigger mechanism include triggering fixture block, triggering item, triggering arc block,
Rectangular triggering slot, wherein being provided with rectangular triggering slot on triggering fixture block;Six triggering fixture blocks are circumferentially uniformly mounted in pairs
On the periphery of frizzen;It is symmetrical with the rectangular triggering slot in group on two triggering fixture blocks;Trigger the upside installation of arc block
There is triggering item;Three triggering arc blocks pass through three triggering items respectively and are mounted on flexible inner ring sleeve close to the inner circle of support annulus one end
On face, and three triggering arc blocks cooperate with three groups of triggering fixture blocks respectively;Less than three groups triggering fixture blocks of arc length of three triggering arc blocks
In spacing in every group of triggering fixture block between two triggering fixture blocks.
As the further improvement of this technology, above-mentioned triggering guide rail includes annular half guide rail, U-shaped guide rail, semicircle card slot,
There is semicircle card slot on middle annular half guide rail;The two sides of annular half guide rail symmetrically install there are two U-shaped guide rail;Two annulars half
Guide rail is mounted on mounting shell inner headed face by four corresponding U-shaped guide rails.
As the further improvement of this technology, above-mentioned two annular half guide rail and four corresponding U-shaped guide rails composition
Guide-track groove and snap ring cooperate;Two snap rings are located at corresponding four and half on two triggering guide rails in the initial state
In two groups of card slots of circle card slot composition.
As the further improvement of this technology, the width of above-mentioned square groove is less than the length of trigger board;Trigger board ramp
Depth be less than square groove depth;In the initial state between the dovetail groove on the inclined-plane and frizzen in trigger board there are
Gap;This gap can guarantee mutually to rotate 5 degree between trigger board and frizzen without interfering.
As the further improvement of this technology, two triggering blocks installed in above-mentioned telescopic output shafts respectively with two groups of limits
Plate cooperation.
As the further improvement of this technology, in two triggering blocks being installed in above-mentioned telescopic output shafts each triggering block with
At 15 degree of angles between two trigger boards in two groups of limit plates in every group of trigger board.
As the further improvement of this technology, above three triggers two sides and its phase in arc block in each triggering arc block
It is pressed from both sides at 5 degree between the rectangular triggering slot on two triggering fixture blocks in corresponding three groups of triggering fixture blocks in every group of triggering fixture block
Angle.
As the further improvement of this technology, in two groups of guide-track grooves of aforementioned four U-shaped guide rail composition;U-shaped on guide-track groove
The downside of guide rail is parallel to each other with the tangent line of first gear and the transmission gear contact point engaged with third gear.
Relative to traditional Clutch Technology, the clutch that the present invention designs is bidirectional clutch.Its effect is can to protect
Card clutch shaft is able to drive clutch output shaft forward or reverse when forward or reverse;And output shaft is forward or reverse
But clutch shaft cannot be driven to rotate.
Trapezoidal rails are mounted in trapezoidal guide groove in the present invention;Both ends on the upside of trapezoidal rails are separately installed with a support
Annulus;Third gear is mounted on a support annulus far from input shaft bore one end in two support annulus by smooth one end
On;Second gear is mounted in two support annulus on a support annulus of input shaft bore one end by smooth one end;
Two transmission shafts are separately mounted between two support annulus;Two transmission gears are separately mounted on two transmission shafts, and two
A transmission gear is engaged with second gear and third gear respectively;The both ends of two triggering guide rails are separately mounted to mounting shell inner circle
On face, and two triggering guide rails are respectively positioned between two support annulus;First rotating shaft passes through two snap rings and two triggering guide rails
Be fitted between two triggering guide rails;First gear is mounted in first rotating shaft;First gear and two transmission gears
It engages respectively;Two driving fixture blocks are separately mounted on two transmission shafts;Four are separately installed on the periphery of first rotating shaft
First spring;The other end of four the first springs is separately mounted on mounting shell inner headed face;One end of flexible exterior ring cap is mounted on
On the end face of third gear Smooth side;Two groups are symmetrically equipped on the inner headed face of flexible inner ring sleeve one end symmetrically to limit
Plate;Two limit plates in two groups of limit plates in every group of limit plate are in the circumferential direction of flexible inner ring sleeve at 30 degree of angles;It stretches
One end that limit plate is not installed on contracting inner ring sleeve is located on the inside of flexible exterior ring cap;Clamping rings with it is close in two support annulus
One extension spring is installed between the support annulus of output shaft hole one end;One end on frizzen close to support annulus is equipped with
Pushing plate;Square groove is provided on the end face of the other end of frizzen;It is provided on the side of support annulus one end on square groove
Dovetail groove;Telescopic output shafts are mounted in output shaft hole;Symmetrically there are two touchings for installation on the periphery of telescopic output shafts one end
Send out block;One end of trigger board has symmetrical two inclined-planes;The other end of trigger board, which is mounted in telescopic output shafts, is equipped with touching
On the end face for sending out block one end;Inclined-plane and dovetail groove in trigger board cooperate;It is equipped between telescopic output shafts and flexible inner ring sleeve
Scroll spring and scroll spring are located on the inside of mounting shell.Six triggering fixture blocks are circumferentially uniformly mounted to frizzen in pairs
On periphery;Triggering item is installed on the upside of triggering arc block;Three triggering arc blocks pass through respectively three triggering items be mounted on it is flexible
Inner ring sleeve is on the inner headed face of support annulus one end, and three triggering arc blocks cooperate with three groups of triggering fixture blocks respectively;Three touchings
The arc length of arcing block is less than the spacing in every group of triggering fixture block in three groups of triggering fixture blocks between two triggering fixture blocks.Above-mentioned triggering is led
Rail includes annular half guide rail, U-shaped guide rail, semicircle card slot, wherein having semicircle card slot on annular half guide rail;The two of annular half guide rail
It symmetrically installs there are two U-shaped guide rail side;Two half guide rails of annular are mounted on mounting shell by four corresponding U-shaped guide rails
On inner headed face.The guide-track groove and snap ring of above-mentioned two annular half guide rail and four corresponding U-shaped guide rails composition cooperate;It is above-mentioned
The width of square groove is less than the length of trigger board;The depth of trigger board ramp is less than the depth of square groove.Above-mentioned flexible output
Two triggering blocks installed on axis cooperate with two groups of limit plates respectively.When the rotation of flexible input shaft;Flexible input shaft will drive
Second gear rotation;Second gear rotation drives the transmission gear rotation engaged with second gear;Due in the initial state two
A snap ring is located in two groups of card slots of four semicircle card slots composition corresponding on two triggering guide rails;Two groups of card slots pair
Two snap rings play the role of limit;I.e. two groups of card slots play position-limiting action to first rotating shaft;And then two groups of card slots are to the first tooth
Wheel plays position-limiting action;So the transmission gear rotation engaged with second gear will not make first gear be detached from and two transmissions
The engagement of gear;The transmission gear rotation engaged with second gear will drive first gear rotation;First gear rotation drives
The transmission gear rotation engaged with third gear;The transmission gear rotation engaged with third gear drives the rotation of third gear;The
The rotation of three gears drives flexible exterior ring cap rotation;Flexible exterior ring cap rotation drives flexible inner ring sleeve rotation;Due to it is above-mentioned stretch it is defeated
Between two trigger boards in two triggering blocks installed on shaft in each triggering block and two groups of limit plates in every group of trigger board
At 15 degree of angles.So the zero degree in initial flexible inner ring sleeve rotation is rotated to the inner ring sleeve that stretches between 15 degree and not will drive
Telescopic output shafts rotation;The rotation of simultaneous retractable inner ring sleeve drives three triggering items to rotate around the axis of flexible inner ring sleeve;Three
The axis rotation that item is triggered around flexible inner ring sleeve drives three triggering arc blocks to rotate around the axis of flexible inner ring sleeve;Due to three
A triggering arc block cooperates with three groups of triggering fixture blocks respectively;Two sides in three triggering arc blocks in each triggering arc block are corresponding thereto
At 5 degree of angles between the rectangular triggering slot on two triggering fixture blocks in the three groups of triggering fixture blocks answered in every group of triggering fixture block;Institute
After rotating 5 degree around the axis of flexible inner ring sleeve to trigger arc block when three;Three triggering arc blocks just will drive three groups of trigger cards
Block is rotated around the axis of flexible inner ring sleeve;Three groups of triggering fixture blocks drive frizzen to turn around the axis rotation of flexible inner ring sleeve
It is dynamic;Since triggering arc block passes through the side of rectangular triggering slot and the cooperation pair of triggering arc block after contacting with the rectangular triggering slot of correspondence
Frizzen plays the role of limit, and telescopic output shafts are now in stationary state, i.e. trigger board remains static;So touching
Bar rotation is sent out to cooperate by inclined-plane in trigger board and frizzen upper trapezoid slot so that trigger board is to the side close to output shaft hole
It is mobile;When the stuck cooperation of the direction slot in trigger board and frizzen;Frizzen rotation just will drive trigger board rotation;And at this time
Limit plate on flexible inner ring sleeve is just contacted with triggering block in telescopic output shafts;At this moment stretch inner ring sleeve just will drive stretch it is defeated
Shaft rotation, and the velocity of rotation of telescopic output shafts is identical as the velocity of rotation of frizzen;I.e. flexible input shaft, which can drive, to be stretched
The rotation of contracting output shaft.When flexible input shaft stops operating;In scroll spring and telescopic output shafts under the action of compressed spring
It is returned between telescopic output shafts and flexible inner ring sleeve on original position;Frizzen can be also restored to flexible inner ring sleeve
On position originally;When telescopic output shafts rotation;Due to the ladder on the inclined-plane and frizzen in trigger board in the initial state
There are gaps between shape slot;This gap can guarantee mutually to rotate 5 degree between trigger board and frizzen without interfering;So
When the initial zero degree of telescopic output shafts rotation is to five degree;Frizzen not can rotate;When telescopic output shafts are at five degree to ten degree of rotation
When;Telescopic output shafts rotation can make frizzen move away from one end of output shaft hole by trigger board;Due to three
A triggering arc block cooperates with three groups of triggering fixture blocks respectively;Every group of triggering in less than three groups triggering fixture blocks of arc length of three triggering arc blocks
Spacing in fixture block between two triggering fixture blocks;So frizzen will not be to touching away from one end generation movement of output shaft hole
Arcing block impacts;Frizzen in moving process, which occurs, away from one end of output shaft hole in frizzen will drive pushing plate
It is mobile;When pushing plate contacts in moving process with the support annulus close to output shaft hole one end;Pushing plate will push support
Annulus is mobile;Support annulus is mobile to will drive trapezoidal rails movement;Trapezoidal rails are mobile to drive first gear, the second tooth respectively
Wheel, third gear and transmission gear are mobile;When first gear is mobile;First gear is mobile to will drive first rotating shaft movement;The
One shaft is mobile to drive two snap rings mobile;Two snap rings can be moved to corresponding four U-shapeds in two snap ring moving process
In two groups of guide-track grooves of guide rail composition;Telescopic output shafts just rotate 15 degree at this time;On inclined-plane and frizzen in trigger board
Square groove is just stuck;I.e. telescopic output shafts rotation can drive frizzen rotation by trigger board;Frizzen rotation, which drives, to be pushed
Plate rotation;Simultaneous retractable output shaft will drive flexible inner ring sleeve rotation after rotating 15 degree;Flexible inner ring sleeve rotation drives flexible outer
Ring set rotation;Flexible exterior ring cap rotation drives the rotation of third gear;The rotation of third gear drives the transmission engaged with third gear
Gear rotation;The transmission gear rotation engaged with third gear will to one thrust of first gear, and the direction of this thrust with
First gear and with third gear engagement the tangential direction of transmission gear contact point it is identical;Since two snap rings are located at four at this time
In two groups of guide-track grooves of a U-shaped guide rail composition, and the downside of the U-shaped guide rail on guide-track groove and composition with first gear and with
The tangent line of the transmission gear contact point of third gear engagement is parallel to each other;So the transmission gear rotation engaged with third gear is just
Meeting is so that first gear is moved along two groups of guide-track grooves that four U-shaped guide rails form;I.e. so that first gear and two driving cogs
Wheel is mutually disengaged;I.e. telescopic output shafts rotation not will drive flexible input shaft rotation.In the present invention pushing plate and support annulus it
Between there are gaps;It, which is acted on, is guaranteed when flexible input shaft drives telescopic output shafts rotation;Between third gear and pushing plate
It will not interfere.
When the clutch that people are designed using the present invention;When the rotation of flexible input shaft;Flexible input shaft will drive
The rotation of two gears;Second gear rotation drives the transmission gear rotation engaged with second gear;Due to two in the initial state
Snap ring is located in two groups of card slots of four semicircle card slots composition corresponding on two triggering guide rails;Two groups of card slots are to two
A snap ring plays the role of limit;I.e. two groups of card slots play position-limiting action to first rotating shaft;And then two groups of card slots are to first gear
Play position-limiting action;So the transmission gear rotation engaged with second gear will not make first gear be detached from and two driving cogs
The engagement of wheel;The transmission gear rotation engaged with second gear will drive first gear rotation;First gear rotation drive with
The transmission gear rotation of third gear engagement;The transmission gear rotation engaged with third gear drives the rotation of third gear;Third
Gear rotation drives flexible exterior ring cap rotation;Flexible exterior ring cap rotation drives flexible inner ring sleeve rotation;Due to above-mentioned flexible output
Between two trigger boards in two triggering blocks installed on axis in each triggering block and two groups of limit plates in every group of trigger board
At 15 degree of angles.So the zero degree in initial flexible inner ring sleeve rotation is rotated not will drive and is stretched to the inner ring sleeve that stretches between 15 degree
The rotation of contracting output shaft;The rotation of simultaneous retractable inner ring sleeve drives three triggering items to rotate around the axis of flexible inner ring sleeve;Three touchings
Clockwork spring drives three triggering arc blocks to rotate around the axis of flexible inner ring sleeve around the axis rotation of flexible inner ring sleeve;Due to three
Arc block is triggered to cooperate with three groups of triggering fixture blocks respectively;Two sides in three triggering arc blocks in each triggering arc block are corresponding thereto
Three groups of triggering fixture blocks between rectangular triggering slots on two triggering fixture blocks in every group of triggering fixture block at 5 degree of angles;So
After arc block is triggered when three around 5 degree of axis rotation of flexible inner ring sleeve;Three triggering arc blocks just will drive three groups of triggering fixture blocks
Axis around flexible inner ring sleeve rotates;Three groups of triggering fixture blocks drive frizzen rotation around the axis rotation of flexible inner ring sleeve;
Since triggering arc block by the side of rectangular triggering slot and triggers the cooperation of arc block to touching after contacting with the rectangular triggering slot of correspondence
Hair bar plays the role of limit, and telescopic output shafts are now in stationary state, i.e. trigger board remains static;So triggering
Bar rotation is cooperated by inclined-plane in trigger board and frizzen upper trapezoid slot so that trigger board is to the sidesway close to output shaft hole
It is dynamic;When the stuck cooperation of the direction slot in trigger board and frizzen;Frizzen rotation just will drive trigger board rotation;And it stretches at this time
Limit plate on contracting inner ring sleeve is just contacted with triggering block in telescopic output shafts;At this moment the inner ring sleeve that stretches just will drive flexible output
Axis rotation, and the velocity of rotation of telescopic output shafts is identical as the velocity of rotation of frizzen;I.e. flexible input shaft can drive flexible
Output shaft rotation.
Detailed description of the invention
Fig. 1 is global facility appearance diagram.
Fig. 2 is global facility schematic cross-sectional view.
Fig. 3 is mounting shell structural schematic diagram.
Fig. 4 is first gear scheme of installation.
Fig. 5 is triggering guide rail structure schematic diagram.
Fig. 6 is U-shaped guide rail structure schematic diagram.
Fig. 7 is the first spring scheme of installation.
Fig. 8 is extension spring scheme of installation.
Fig. 9 is transmission gear scheme of installation.
Figure 10 is support circular ring structure schematic diagram.
Figure 11 is limit plate scheme of installation.
Figure 12 is flexible inner ring sleeve structural schematic diagram.
Figure 13 is triggering block scheme of installation.
Figure 14 is angle trigger mechanism scheme of installation.
Figure 15 is triggering scheme of installation.
Figure 16 is triggering fixture block scheme of installation.
Figure 17 is trigger board scheme of installation.
Figure 18 is frizzen scheme of installation.
Figure 19 a is triggering guide rail operation principle schematic diagram a.
Figure 19 b is triggering guide rail operation principle schematic diagram b.
Figure 19 c is triggering guide rail operation principle schematic diagram c.
Figure 20 a is frizzen operation principle schematic diagram a.
Figure 20 b is frizzen operation principle schematic diagram b.
Figure 20 c is frizzen operation principle schematic diagram c.
Figure 20 d is frizzen operation principle schematic diagram d.
Figure 21 a is trigger board operation principle schematic diagram a.
Figure 21 b is trigger board operation principle schematic diagram b.
Figure 21 c is trigger board operation principle schematic diagram c.
Figure 22 a is limit plate operation principle schematic diagram a.
Figure 22 b is limit plate operation principle schematic diagram b.
Figure label title: 1, stretch input shaft;2, mounting shell;3, trapezoidal rails;4, guide rail is triggered;5, transmission gear;
6, stretch exterior ring cap;7, telescopic output shafts;8, second gear;9, third gear;10, trigger board;11, scroll spring;12, first
Gear;13, fixture block is driven;14, transmission shaft;15, frizzen;16, extension spring;17, triggering block;18, trapezoidal guide groove;19, defeated
Enter axis hole;20, output shaft hole;21, first rotating shaft;22, the first spring;23, annular half guide rail;24, U-shaped guide rail;25, semicircle card
Slot;27, snap ring;28, clamping rings;29, annulus is supported;30, stretch inner ring sleeve;31, rectangular triggering slot;32, angle triggers machine
Structure;33, pushing plate;34, fixture block is triggered;35, item is triggered;36, it is driven trigger mechanism;37, dovetail groove;38, square groove;39, it touches
Arcing block;40, support ring;41, limit plate.
Specific embodiment
As shown in Figure 1, it includes flexible input shaft 1, mounting shell 2, trapezoidal rails 3, triggering guide rail 4, transmission gear 5, stretches
Contracting exterior ring cap 6, third gear 9, scroll spring 11, first gear 12, driving fixture block 13, transmission shaft 14, stretches second gear 8
Spring 16, trapezoidal guide groove 18, input shaft bore 19, output shaft hole 20, first rotating shaft 21, the first spring 22, snap ring 27, clamping rings
28, annulus 29, flexible inner ring sleeve 30, angle trigger mechanism 32, transmission trigger mechanism 36, limit plate 41 are supported, wherein such as Fig. 3 institute
Show that there is trapezoidal guide groove 18 on the inner headed face of 2 one end of mounting shell;Input shaft bore 19 is had on the end face of 2 two sides of mounting shell
With output shaft hole 20, and input shaft bore 19 be located at trapezoidal guide groove 18 side;As shown in Fig. 2, trapezoidal rails 3 are mounted on ladder
In shape guide groove 18;As shown in Figure 10, the both ends of 3 upside of trapezoidal rails are separately installed with a support annulus 29;Third gear 9 divides
For smooth end and teeth end;As shown in figure 8, third gear 9 is mounted in two support annulus 29 by smooth one end far from defeated
Enter on a support annulus 29 of 19 one end of axis hole;On third gear 9 there is teeth one end to be located between two support annulus 29;
Second gear 8 is divided for smooth end and teeth end;As shown in figure 9, second gear 8 is mounted on two support annulus by smooth one end
In 29 on a support annulus 29 of 19 one end of input shaft bore;There is teeth one end to be located at two supports in second gear 8
Between annulus 29;Two transmission shafts 14 are symmetrically mounted between two support annulus 29, the plane of symmetry and ladder of two transmission shafts 14
Shape guide rail 3 is parallel;Two transmission gears 5 are separately mounted on two transmission shafts 14, and two transmission gears 5 respectively with the second tooth
Wheel 8 and third gear 9 engage;As shown in figure 4, the both ends of two triggering guide rails 4 are separately mounted on 2 inner headed face of mounting shell, and
Two triggering guide rails 4 are respectively positioned between two support annulus 29;As shown in fig. 7, the both ends of first rotating shaft 21 are separately installed with one
A snap ring 27;First rotating shaft 21 by two snap rings 27 and two triggering guide rails 4 be fitted to two triggering guide rails 4 it
Between;First gear 12 is mounted in first rotating shaft 21, and first gear 12 is located between two snap rings 27;First gear 12 and two
A transmission gear 5 engages respectively;As shown in figure 9, two driving fixture blocks 13 are separately mounted on two transmission shafts 14, and two drives
Dynamic fixture block 13 is located at 12 two sides of first gear and plays position-limiting action to first gear 12;As shown in fig. 7, first rotating shaft 21
Periphery on be separately installed with four the first springs 22, and four the first springs 22 are located at first rotating shaft 21 in pairs
Both ends;The other end of four the first springs 22 is separately mounted on 2 inner headed face of mounting shell;Close to the two of 19 one end of input shaft bore
A first spring 22 is located at two snap rings, 27 outside;Two the first springs 22 close to 20 one end of output shaft hole are located at two snap rings
Between 27;One end of flexible exterior ring cap 6 is mounted on the end face of 9 Smooth side of third gear;As shown in figure 12, flexible inner ring
It covers and two groups of symmetrical limit plates 41 is symmetrically installed on the inner headed face of 30 one end;In two groups of limit plates 41 in every group of limit plate 41
Two limit plates 41 in the circumferential direction of flexible inner ring sleeve 30 at 30 degree of angles;As shown in figure 11, it stretches on inner ring sleeve 30
The one end for being not installed with limit plate 41 is located at flexible 6 inside of exterior ring cap, and flexible inner ring sleeve 30 is mounted on by clamping rings 28
On 2 inner headed face of mounting shell;As shown in figure 9, close to the branch of 20 one end of output shaft hole in clamping rings 28 and two support annulus 29
It holds round and an extension spring 16 is installed between ring 29, and extension spring 16 is located at flexible 6 outside of exterior ring cap;As shown in Fig. 2, peace
There is dress shell 2 one end of output shaft hole 20 to be equipped with for triggering the mobile transmission trigger mechanism 36 of trapezoidal rails 3;Transmission triggering
Three groups of angle trigger mechanisms 32 are installed between mechanism 36 and flexible inner ring sleeve 30.
As shown in Fig. 2, above-mentioned transmission trigger mechanism 36 include trigger board 10, triggering block 17, frizzen 15, dovetail groove 37,
Square groove 38, support ring 40, pushes disk at telescopic output shafts 7, wherein as shown in figure 14, one end of frizzen 15 passes through support ring
40 are mounted on flexible inner ring sleeve 30 on the inner headed face of support 29 one end of annulus;Close to the one of support annulus 29 on frizzen 15
End is equipped with pushing plate 33;There are gaps between pushing plate 33 and support annulus 29;It is opened on the end face of the other end of frizzen 15
There is square groove 38;Dovetail groove 37 is provided on the side of support 29 one end of annulus on square groove 38;Have in telescopic output shafts 7
Compressed spring;Telescopic output shafts 7 are mounted in output shaft hole 20;As shown in figure 13, right on the periphery of 7 one end of telescopic output shafts
Claiming ground installation, there are two triggering blocks 17;One end of trigger board 10 has symmetrical two inclined-planes;As shown in figure 17, trigger board 10
The other end is mounted on the end face for being equipped with 17 one end of triggering block in telescopic output shafts 7;Inclined-plane and dovetail groove in trigger board 10
37 cooperations;Scroll spring 11 is installed between telescopic output shafts 7 and flexible inner ring sleeve 30 and scroll spring 11 is located in mounting shell 2
Side.
As shown in figure 15, above-mentioned angle trigger mechanism 32 includes triggering fixture block 34, triggering item 35, triggers arc block 39, is rectangular
Slot 31 is triggered, wherein as shown in figure 16, triggering and being provided with rectangular triggering slot 31 on fixture block 34;Six triggering fixture blocks 34 are all in pairs
To being uniformly mounted on the periphery of frizzen 15;It is mutually right with the rectangular triggering slot 31 in group on two triggering fixture blocks 34
Claim;The upside of triggering arc block 39 is equipped with triggering item 35;As shown in figure 18, three triggering arc blocks 39 pass through three triggering items respectively
35 are mounted on flexible inner ring sleeve 30 on the inner headed face of support 29 one end of annulus, and three triggering arc blocks 39 respectively with three groups of touchings
Hair fastener block 34 cooperates;Two triggerings in every group of triggering fixture block 34 in less than three groups triggering fixture blocks 34 of arc length of three triggering arc blocks 39
Spacing between fixture block 34.
As shown in figure 5, above-mentioned triggering guide rail 4 includes annular half guide rail 23, U-shaped guide rail 24, semicircle card slot 25, wherein as schemed
Shown in 6, there is semicircle card slot 25 on annular half guide rail 23;The two sides of annular half guide rail 23 symmetrically install there are two U-shaped guide rail
24;Two half guide rails 23 of annular are mounted on 2 inner headed face of mounting shell by four corresponding U-shaped guide rails 24.
The guide-track groove of above-mentioned two annular half guide rail 23 and four corresponding U-shaped guide rails 24 composition is matched with snap ring 27
It closes;Two snap rings 27 are located at four semicircle card slots 25 composition corresponding on two triggering guide rails 4 in the initial state
Two groups of card slots in.
The width of above-mentioned square groove 38 is less than the length of trigger board 10;The depth of 10 ramp of trigger board is less than square groove 38
Depth;There are gaps between the dovetail groove 37 on the inclined-plane and frizzen 15 in trigger board 10 in the initial state;This gap
5 degree can be guaranteed mutually to rotate between trigger board 10 and frizzen 15 without interfering.
Two triggering blocks 17 installed in above-mentioned telescopic output shafts 7 cooperate with two groups of limit plates 41 respectively.
In two triggering blocks 17 installed in above-mentioned telescopic output shafts 7 every group in each triggering block 17 and two groups of limit plates 41
At 15 degree of angles between two trigger boards 10 in trigger board 10.
Above three triggers the three groups of triggering fixture blocks of two sides corresponding thereto in arc block 39 in each triggering arc block 39
At 5 degree of angles between the rectangular triggering slot 31 on two triggering fixture blocks 34 in 34 in every group of triggering fixture block 34.
In two groups of guide-track grooves that aforementioned four U-shaped guide rail 24 forms;The downside of U-shaped guide rail 24 and the first tooth on guide-track groove
Wheel 12 and the tangent line for 5 contact point of transmission gear engaged with third gear 9 are parallel to each other.
In summary:
The clutch that the present invention designs is bidirectional clutch.Its act on be can guarantee clutch shaft 14 rotate forward or
Clutch output shaft is able to drive when reversion forward or reverse;And output shaft cannot drive clutch shaft forward or reverse
14 rotations.
Trapezoidal rails 3 are mounted in trapezoidal guide groove 18 in the present invention;The both ends of 3 upside of trapezoidal rails are separately installed with one
Support annulus 29;Third gear 9 is mounted in two support annulus 29 one far from 19 one end of input shaft bore by smooth one end
On a support annulus 29;Second gear 8 is mounted in two support annulus 29 by smooth one end close to 19 one end of input shaft bore
A support annulus 29 on;Two transmission shafts 14 are separately mounted between two support annulus 29;Two transmission gears 5 are distinguished
It is mounted on two transmission shafts 14, and two transmission gears 5 are engaged with second gear 8 and third gear 9 respectively;Two triggerings are led
The both ends of rail 4 are separately mounted on 2 inner headed face of mounting shell, and two triggering guide rails 4 are respectively positioned between two support annulus 29;The
One shaft 21 is fitted between two triggering guide rails 4 by two snap rings 27 and two triggering guide rails 4;First gear 12
It is mounted in first rotating shaft 21;First gear 12 engages respectively with two transmission gears 5;Two driving fixture blocks 13 are separately mounted to
On two transmission shafts 14;Four the first springs 22 are separately installed on the periphery of first rotating shaft 21;Four the first springs 22
The other end is separately mounted on 2 inner headed face of mounting shell;One end of flexible exterior ring cap 6 is mounted on 9 Smooth side of third gear
On end face;Two groups of symmetrical limit plates 41 are symmetrically installed on the inner headed face of flexible 30 one end of inner ring sleeve;Two groups of limit plates 41
In two limit plates 41 in every group of limit plate 41 in the circumferential direction of flexible inner ring sleeve 30 at 30 degree of angles;Flexible inner ring sleeve
One end that limit plate 41 is not installed on 30 is located at flexible 6 inside of exterior ring cap;It is leaned in clamping rings 28 and two support annulus 29
An extension spring 16 is installed between the support annulus 29 of nearly 20 one end of output shaft hole;Close to support annulus 29 on frizzen 15
One end pushing plate 33 is installed;Square groove 38 is provided on the end face of the other end of frizzen 15;Close to support on square groove 38
Dovetail groove 37 is provided on the side of 29 one end of annulus;Telescopic output shafts 7 are mounted in output shaft hole 20;7 one end of telescopic output shafts
Periphery on symmetrically installation there are two triggering block 17;One end of trigger board 10 has symmetrical two inclined-planes;Trigger board 10
The other end be mounted on the end face for being equipped with 17 one end of triggering block in telescopic output shafts 7;Inclined-plane in trigger board 10 with it is trapezoidal
Slot 37 cooperates;Scroll spring 11 is installed between telescopic output shafts 7 and flexible inner ring sleeve 30 and scroll spring 11 is located at mounting shell 2
Inside.Six triggering fixture blocks 34 are circumferential in pairs to be uniformly mounted on the periphery of frizzen 15;Trigger the upper of arc block 39
Side is equipped with triggering item 35;Three triggering arc blocks 39 are mounted on flexible inner ring sleeve 30 close to support by three triggering items 35 respectively
On the inner headed face of 29 one end of annulus, and three triggering arc blocks 39 cooperate with three groups of triggering fixture blocks 34 respectively;Three triggering arc blocks 39
Arc length less than in every group of triggering fixture block 34 in three groups of triggering fixture blocks 34 two triggering fixture blocks 34 between spacing.Above-mentioned triggering is led
Rail 4 includes annular half guide rail 23, U-shaped guide rail 24, semicircle card slot 25, wherein having semicircle card slot 25 on annular half guide rail 23;Ring
It symmetrically installs there are two U-shaped guide rail 24 two sides of half guide rail 23 of shape;Two half guide rails 23 of annular pass through four corresponding U
Shape guide rail 24 is mounted on 2 inner headed face of mounting shell.Above-mentioned two annular half guide rail 23 and corresponding 24 groups of four U-shaped guide rails
At guide-track groove and snap ring 27 cooperate;The width of above-mentioned square groove 38 is less than the length of trigger board 10;10 ramp of trigger board
Depth is less than the depth of square groove 38.Two triggering blocks 17 installed in above-mentioned telescopic output shafts 7 respectively with two groups of limit plates 41
Cooperation.As shown in figure 19a, when flexible input shaft 1 rotates;Flexible input shaft 1 will drive the rotation of second gear 8;Second gear 8
Rotation drives the transmission gear 5 engaged with second gear 8 to rotate;Since two snap rings 27 are located at two in the initial state
In two groups of card slots for triggering four semicircle card slots 25 composition corresponding on guide rail 4;Two groups of card slots play two snap rings 27
The effect of limit;I.e. two groups of card slots play position-limiting action to first rotating shaft 21;And then two groups of card slots play limit to first gear 12
Position effect;So the rotation of transmission gear 5 engaged with second gear 8 will not make first gear 12 be detached from and two transmission gears
5 engagement;The rotation of transmission gear 5 engaged with second gear 8 will drive the rotation of first gear 12;First gear 12 rotates band
The dynamic transmission gear 5 engaged with third gear 9 rotates;The rotation of transmission gear 5 engaged with third gear 9 drives third gear 9
Rotation;The rotation of third gear 9 drives flexible exterior ring cap 6 to rotate;The flexible rotation of exterior ring cap 6 drives flexible inner ring sleeve 30 to rotate;By
Every group of trigger board in each triggering block 17 and two groups of limit plates 41 in two triggering blocks 17 installed in above-mentioned telescopic output shafts 7
At 15 degree of angles between two trigger boards 10 in 10.As shown in Figure 22 a, so rotated in initial flexible inner ring sleeve 30 zero
Spending not will drive telescopic output shafts 7 to the rotation of inner ring sleeve 30 of stretching between 15 degree and rotates;Simultaneous retractable inner ring sleeve 30 rotates band
Dynamic three triggering items 35 are rotated around the axis of flexible inner ring sleeve 30;Three triggering items 35 turn around the axis of flexible inner ring sleeve 30
It is dynamic that three triggering arc blocks 39 is driven to rotate around the axis of flexible inner ring sleeve 30;Due to three triggering arc blocks 39 respectively with three groups of touchings
Hair fastener block 34 cooperates;The three groups of triggering fixture blocks of two sides corresponding thereto in three triggering arc blocks 39 in each triggering arc block 39
At 5 degree of angles between the rectangular triggering slot 31 on two triggering fixture blocks 34 in 34 in every group of triggering fixture block 34;So when three
Arc block 39 is triggered after 5 degree of the axis rotation of flexible inner ring sleeve 30;As illustrated in fig. 20, three triggering arc blocks 39 just will drive
Three groups of triggering fixture blocks 34 are rotated around the axis of flexible inner ring sleeve 30;Axis of three groups of triggering fixture blocks 34 around flexible inner ring sleeve 30
Rotation drives frizzen 15 to rotate;Since triggering arc block 39 passes through rectangular triggering slot 31 after contacting with the rectangular triggering slot 31 of correspondence
Side and the cooperation of triggering arc block 39 play the role of limit to frizzen 15, and telescopic output shafts 7 are now in static shape
State, i.e. trigger board 10 remain static;As shown in Figure 20 b, 20c, so frizzen 15 is rotated by oblique in trigger board 10
Face and 15 upper trapezoid slot 37 of frizzen cooperate so that trigger board 10 is to close to the movement of the side of output shaft hole 20;When trigger board 10 with
When the stuck cooperation of direction slot on frizzen 15;As shown in Figure 20 d, the rotation of frizzen 15 just will drive the rotation of trigger board 10;And
The limit plate 41 to stretch on inner ring sleeve 30 at this time is just contacted with triggering block 17 in telescopic output shafts 7;At this moment stretch inner ring sleeve 30
It just will drive the rotation of telescopic output shafts 7, and the velocity of rotation of telescopic output shafts 7 is identical as the velocity of rotation of frizzen 15;Stretch
Contracting input shaft 1 can drive telescopic output shafts 7 to rotate.When flexible input shaft 1 stops operating;In scroll spring 11 and stretch defeated
It is returned on original position between telescopic output shafts 7 and flexible inner ring sleeve 30 under the action of compressed spring in shaft 7;Touching
Hair bar 15 and flexible inner ring sleeve 30 can be also restored on original position;When telescopic output shafts 7 rotate;Due in original state
There are gaps between the dovetail groove 37 on inclined-plane and frizzen 15 in lower trigger board 10;This gap can guarantee trigger board 10 with
5 degree are mutually rotated between frizzen 15 without interfering;So when the initial zero degree that telescopic output shafts 7 rotate is to five degree;Such as
Shown in Figure 21 a, frizzen 15 not can rotate;When telescopic output shafts 7 are at five degree to ten degree of rotation;As shown in fig. 21b, it stretches defeated
The rotation of shaft 7 can make frizzen 15 move away from one end of output shaft hole 20 by trigger board 10;Due to three
Arc block 39 is triggered to cooperate with three groups of triggering fixture blocks 34 respectively;It is every in less than three groups triggering fixture blocks 34 of arc length of three triggering arc blocks 39
Spacing in group triggering fixture block 34 between two triggering fixture blocks 34;So frizzen 15 is sent out away from one end of output shaft hole 20
Raw movement will not impact triggering arc block 39;Moving process occurs away from one end of output shaft hole 20 in frizzen 15
It is mobile that middle frizzen 15 will drive pushing plate 33;When support of the pushing plate 33 in moving process with close 20 one end of output shaft hole
When annulus 29 contacts;It is mobile that pushing plate 33 will push support annulus 29;Support annulus 29 is mobile to will drive the movement of trapezoidal rails 3;
Trapezoidal rails 3 are mobile to drive first gear 12, second gear 8, third gear 9 and transmission gear 5 mobile respectively;When the first tooth
When wheel 12 is mobile;First gear 12 is mobile to will drive the movement of first rotating shaft 21;As shown in fig. 19b, first rotating shaft 21 is mobile drives
Two snap rings 27 are mobile;Two snap rings 27 can be moved to corresponding 24 groups of four U-shaped guide rails in two 27 moving process of snap ring
At two groups of guide-track grooves in;Telescopic output shafts 7 just rotate 15 degree at this time;Inclined-plane and touching as shown in Figure 21 c, in trigger board 10
The square groove 38 sent out on bar 15 is just stuck;I.e. the rotation of telescopic output shafts 7 can drive frizzen 15 to rotate by trigger board 10;Touching
Sending out the rotation of bar 15 drives pushing plate 33 to rotate;As shown in figure 22b, simultaneous retractable output shaft 7 is will drive after rotating 15 degree in flexible
Ring set 30 rotates;The flexible rotation of inner ring sleeve 30 drives flexible exterior ring cap 6 to rotate;The flexible rotation of exterior ring cap 6 drives 9 turns of third gear
It is dynamic;The rotation of third gear 9 drives the transmission gear 5 engaged with third gear 9 to rotate;The transmission gear 5 engaged with third gear 9
Rotation will give 12 1 thrusts of first gear, and the direction of this thrust and first gear 12 and the biography engaged with third gear 9
The tangential direction of 5 contact point of moving gear is identical;Since two snap rings 27 are located at two groups of guide rails of four U-shaped guide rails 24 composition at this time
The downside of U-shaped guide rail 24 in slot, and on guide-track groove with composition with first gear 12 and the transmission engaged with third gear 9
The tangent line of 5 contact point of gear is parallel to each other;So the rotation of transmission gear 5 engaged with third gear 9 will make first gear
12 move along two groups of guide-track grooves of four U-shaped guide rails 24 composition;I.e. so that first gear 12 and two transmission gears 5 are mutually de-
From;I.e. as shown in Figure 19 c, the rotation of telescopic output shafts 7 not will drive flexible input shaft 1 and rotate.Pushing plate 33 and branch in the present invention
Hold round between ring 29 that there are gaps;It, which is acted on, is guaranteed when flexible input shaft 1 drives telescopic output shafts 7 to rotate;Third gear 9
It will not be interfered between pushing plate 33.
Specific embodiment: when the clutch that people are designed using the present invention;When the rotation of flexible input shaft 1;It is flexible
Input shaft 1 will drive the rotation of second gear 8;The rotation of second gear 8 drives the transmission gear 5 engaged with second gear 8 to rotate;By
Four semicircle card slots 25 composition corresponding on two triggering guide rails 4 is located in two snap rings 27 in the initial state
In two groups of card slots;Two groups of card slots play the role of limit to two snap rings 27;I.e. two groups of card slots play limit to first rotating shaft 21
Effect;And then two groups of card slots play position-limiting action to first gear 12;So the transmission gear 5 engaged with second gear 8 rotates
First gear 12 will not be made to be detached to engage with two transmission gears 5;The transmission gear 5 engaged with second gear 8 rotates
It will drive the rotation of first gear 12;The rotation of first gear 12 drives the transmission gear 5 engaged with third gear 9 to rotate;With third
The rotation of transmission gear 5 that gear 9 engages drives third gear 9 to rotate;The rotation of third gear 9 drives flexible exterior ring cap 6 to rotate;It stretches
The rotation of contracting exterior ring cap 6 drives flexible inner ring sleeve 30 to rotate;Due to every in two triggering blocks 17 being installed in above-mentioned telescopic output shafts 7
At 15 degree of angles between two trigger boards 10 in a triggering block 17 and two groups of limit plates 41 in every group of trigger board 10.So
The zero degree that initial flexible inner ring sleeve 30 rotates is rotated to the inner ring sleeve 30 that stretches between 15 degree not will drive 7 turns of telescopic output shafts
It is dynamic;The rotation of simultaneous retractable inner ring sleeve 30 drives three triggering items 35 to rotate around the axis of flexible inner ring sleeve 30;Three triggering items
35 around flexible inner ring sleeve 30 axis rotation drive three triggering arc blocks 39 around flexible inner ring sleeve 30 axis rotate;Due to
Three triggering arc blocks 39 cooperate with three groups of triggering fixture blocks 34 respectively;Two sides in three triggering arc blocks 39 in each triggering arc block 39
The rectangular triggering slot on two triggering fixture blocks 34 in the three groups of triggering fixture blocks 34 of face corresponding thereto in every group of triggering fixture block 34
At 5 degree of angles between 31;So after triggering arc block 39 when three around 5 degree of axis rotation of flexible inner ring sleeve 30;Three triggerings
Arc block 39 just will drive three groups of triggering fixture blocks 34 and rotate around the axis of flexible inner ring sleeve 30;Three groups of triggering fixture blocks 34 are around flexible
The axis rotation of inner ring sleeve 30 drives frizzen 15 to rotate;Since triggering arc block 39 leads to after contacting with the rectangular triggering slot 31 of correspondence
The cooperation of the side and triggering arc block 39 of crossing rectangular triggering slot 31 plays the role of limit, and telescopic output shafts 7 to frizzen 15
It is now in stationary state, i.e. trigger board 10 remains static;So the rotation of frizzen 15 passes through the inclined-plane in trigger board 10
Cooperate with 15 upper trapezoid slot 37 of frizzen so that trigger board 10 is to close to the movement of the side of output shaft hole 20;When trigger board 10 and touching
When sending out the stuck cooperation of direction slot on bar 15;The rotation of frizzen 15 just will drive the rotation of trigger board 10;And the inner ring sleeve that stretches at this time
Limit plate 41 on 30 is just contacted with triggering block 17 in telescopic output shafts 7;At this moment stretch inner ring sleeve 30 just will drive stretch it is defeated
Shaft 7 rotates, and the velocity of rotation of telescopic output shafts 7 is identical as the velocity of rotation of frizzen 15;I.e. flexible input shaft 1 can band
Dynamic telescopic output shafts 7 rotate.