CN207510641U - The speed changer and motor tricycle that a kind of band slips after preventing - Google Patents
The speed changer and motor tricycle that a kind of band slips after preventing Download PDFInfo
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- CN207510641U CN207510641U CN201721074660.XU CN201721074660U CN207510641U CN 207510641 U CN207510641 U CN 207510641U CN 201721074660 U CN201721074660 U CN 201721074660U CN 207510641 U CN207510641 U CN 207510641U
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- 230000009471 action Effects 0.000 description 2
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Abstract
The speed changer slipped after preventing the utility model discloses a kind of band, including input shaft（12）With output shaft（1）, the input shaft（12）With the output shaft（1）Between pass through gear pair engaged transmission, it is characterised in that：In the output shaft（1）Tail end is provided with anti-rear slip device（20）, the anti-rear slip device is including being placed in the output shaft（1）On one-way rotation mechanism（2）, the one-way rotation mechanism（2）Including inner ring（201）And outer ring（202）, the inner ring（201）Relative to the outer ring（202）It is only capable of rotating in one direction, wherein, the inner ring（201）It is realized and the output shaft by lazy-tongs（1）Combination with detaching, the outer ring（202）With housing（3）It is fixedly connected.Using the speed changer of the utility model, service life can be improved.
Description
Technical field：
The speed changer that is slipped after preventing the utility model is related to a kind of band more particularly to available for the speed change on motor tricycle
Device.
Background technology：
Existing motor tricycle is chiefly used in loading, large carrying capacity, so in uphill starting or parking in ramp
When, slip phenomenon after vehicle inevitably occurs.So, it easily causes danger, either to vehicle, cargo, especially
Easily people is damaged.
It is disclosed in Chinese patent CN206361141U after one kind is prevented and slips combinatory transmission, and specifically disclose speed changer
With input terminal and output terminal, the back-stop mechanism for hindering the shaft reversion is equipped in the shaft of output terminal, it is described inverse
Locking mechanism includes ratchet and the lock pin for ratchet wheel described in locking, and the ratchet passes through freewheel clutch and the shaft
Cooperation, the inner ring transmission of the freewheel clutch are matched with shaft, and outer ring transmission is matched with ratchet, and the ratchet outer circle has
Gear structure, the interior locking for realizing ratchet of lock pin insertion tooth socket.The lock pin slides under the action of the spring allows bit architecture
It is made to be detached from ratchet, by back fork axis, enables to the elastic force that lock pin overcomes spring that lock pin is caught in ratchet
In tooth socket.Wherein, it can be flute profile, hole shape etc. to allow bit architecture.
Component is slipped after preventing using the vehicle of above-mentioned patent, may be such that tricycle safety stop on abrupt slope, also may be such that three
Wheel vehicle slips after can preventing vehicle when abrupt slope is started to walk.
However, a large number of experiments by slipping component after anti-to above-mentioned patent, finds when normal vehicle operation, easily sends out
Raw lock pin and the stuck state of ratchet, so, may result in vehicle can not move backward, and need to dismantle gearbox and be repaiied
Reason expends the time, causes to stop work.
In addition, it has also been found that, installation concentricity is difficult to ensure that during experiment so that freewheel clutch and lock pin it
Between be caught in and extremely have some setbacks when being detached from, housing is caused to wear, the problems such as freewheel clutch comes off, scraps.In addition, it is slipped after this is anti-
The bearing capacity of component is too low, when tricycle load is excessively high, slips component failures after causing this, can not play a role completely.
Also, pass through utility model people's test of many times, even if finding the above problem do not occur, being averaged for component is slipped after this is anti-
Service life is only thousand kilometers of 1-2, and slipping component when vehicle travels longer than 2,000 kilometers, after this is anti-can scrap completely, can not make
With.
Finally, above-mentioned patent it is anti-after slip component, concentricity high to the accuracy of manufacture requirement of parts is difficult to meet,
Cause of high cost.
In addition, the speed changer of existing motor tricycle, only speed changing function mostly being capable of output rotating speed regulation.When need
When realizing vehicle backward, then an additionally mounted reverse gear apparatus is needed, hung on the output terminal of engine, change is started
The power rotation direction of machine output.But such set-up mode its poor-performing, binding performance is poor between each mechanism, reliability
It is low.If reverse gear apparatus is integrated in the mode in engine or in gearbox, the volume of engine or speed changer can be greatly increased,
It needs to remanufacture engine housing or gear box, considerably increases the cost of engine or speed changer.
Utility model content：
The purpose of this utility model is to provide the bands that a kind of work is smooth, service life is long and Dynamic And Static Loads intensity is high to prevent
The speed changer slipped afterwards.
In order to achieve the above object, the utility model is realized in this way：The speed changer that a kind of band slips after preventing, including input
Axis and output shaft, by gear pair engaged transmission between the input shaft and the output shaft, in the output shaft tail end setting
There is anti-rear slip device, the anti-rear slip device includes the one-way rotation mechanism being placed on the output shaft, the single direction rotation
Mechanism includes inner ring and outer ring, and the inner ring is only capable of rotating in one direction relative to the outer ring, wherein, the inner ring passes through
Lazy-tongs are realized and the combination of the output shaft is with detaching, and the outer ring is fixedly connected with the casing.
The speed changer that slips after the band set using aforesaid way is prevented can start the speed changer and existing motor tricycle
Machine combine, the engine have prevent the danger that vehicle slips after occurring in climb very steep slopes and abrupt slope parking.And it is above-mentioned it is anti-after slip
In device so that one-way rotation mechanism is arranged concentrically with height of output shaft, realizes what one-way rotation mechanism was combined with output shaft
Smooth switching avoids the problem that not moving backward caused by stuck.Also, using above-mentioned set-up mode it is anti-after slip system, shell
Body will not be worn, one-way rotation mechanism without departing from, failure, improve this it is anti-after slip the service life of system.It is in addition, above-mentioned
Set-up mode improves the Dynamic And Static Loads intensity of one-way rotation mechanism, even if motor tricycle is in when overloaded, will not cause
Thrashing is slipped after anti-, can still ensure to work normally.
In order to further improve transmission performance, the speed changer further include be fixed on by bearing it is multi-functional on housing
Axis, it is circumferentially fixed on the multifunctional axial and be slidably equipped with Multifunction cutting parallel operation.
In order to further improve the instrumentality of speed changer, at least two are provided between the input shaft and the output shaft
Set rotates forward gear pair, and reverse gear mechanism is additionally provided between the input shaft and the output shaft.
In order to which further such that structure is compacter, two sleeve gear pairs are provided between the input shaft and output shaft,
Respectively high-speed gear pair and low-speed gear pair, input shaft or output shaft between the high-speed gear pair and low-speed gear pair
On be provided with synchronizer.
In order to be further simplified structure, save space, the synchronizer is arranged on the output shaft, the reverse gear mechanism
Including circumferentially fixed and be slidably installed in the driving gear Z5 that reverses gear on the input shaft, it is fixed on reversing gear on the synchronizer outer wall
The driven gear Z7 and carrier gear Z6 that can be meshed with reverse gear driving gear Z5 and the driven gear Z7 that reverses gear, it is described
The driving gear Z5 that reverses gear is slided by back fork and back fork axis on the input shaft.
In order to further improve Dynamic And Static Loads intensity, the outer ring of the one-way rotation mechanism is by bolt lock in the housing
Endoporus on.Thus, moreover it is possible to further improve speed changer life-span.
For the compactedness for advanced optimizing structure, improving structure, synchronous gear is provided on the output shaft, described
Conjunction gear is set on one-way rotation mechanism inner ring, the synchronous gear realized with the conjunction gear by the lazy-tongs combine with
Separation.Using such arrangement, other than causing structure compacter, additionally it is possible to increase structural strength.
Preferably, the synchronous gear is external tooth, and is wholely set with the output shaft or is keyed with the output shaft.
Preferably, the conjunction gear is wholely set with the inner ring.
In order to further easy to repair, the inner ring includes single direction rotation connector and combined cover, the combined cover empty set
In outside the output shaft, the single direction rotation connector is set on outside the combined cover and can be rotated synchronously with the combined cover.And
And it using such set-up mode, enables to more be bonded between structure, improves the rigidity of structure, manufacture difficulty is reduced, into one
Step improves the service life.
Wherein, the single direction rotation connector is cam wedge mechanism.
In order to further such that work it is more smooth, oil-containing axis is additionally provided between the combined cover and the output shaft
It holds.
In order to further such that work is more smooth, the conjunction gear for it is consistent with the gear parameter of the synchronous gear outside
Tooth, the lazy-tongs include synchronous ring, are arranged with shift fork outside the synchronous ring, the synchronous ring can with the synchronous gear and
Conjunction gear engaged transmission.
In order to be further simplified structure, the shift fork is combined with back fork axis.
A kind of motor tricycle, the speed changer slipped after preventing including above-mentioned band.
Advantageous effect：
The speed changer slipped after being prevented using the band of the motor tricycle of the utility model：
1st, directly the speed changer with the engine output end of existing motor tricycle can be combined, can either be caused existing
Engine for motorcycle increases the function of its deceleration torque, and can will reverse gear and be combined with speed changer, improve its instrumentality with
Compact；In addition still existing motor tricycle be provided with it is anti-after the instrumentality that slips；
2nd, the speed changer of the utility model is directly with reverse gear mechanism, it is combined with engine, it can be achieved that gear reversing function,
And the speed changer is small, occupied space is few, at low cost, suitable for the engine and vehicle frame of existing motor tricycle；
3rd, wherein, it is described it is anti-after slip device its installation accuracy it is high, concentricity is high, prevented existing tricycle it is anti-after slip and be
The stuck problem that system occurs during the work time；
4th, the work switching of slip device is smooth after preventing, does not interfere with vehicle and normally advances and fall back, will not block
Stagnant situation；
5th, the anti-rear slip device in the utility model will not cause to wear to housing, and installation reliability is high, single direction rotation machine
The situation that structure will not fall off, move so that one-way rotation mechanism service life is long；
6th, anti-its Dynamic And Static Loads intensity of rear slip device of the utility model is high, even if vehicle is in heavy condition, also can
Normal operating conditions is kept, will not be failed；
7th, whole service life is long, and ten thousand kilometers of 2-3 of traveling or more does not cause problems.
Description of the drawings：
Fig. 1 is the speed changer structure figure in the utility model；
Fig. 2 is the speed changer structure figure with multifunctional axial in the utility model；
Fig. 3 is the speed changer structure figure without multifunctional axial in the utility model；
Fig. 4 is the structure chart of the anti-rear slip device in the utility model；
Fig. 5 is the explosive view of Fig. 4.
Label declaration：1 output shaft；2 one-way rotation mechanisms；201 inner rings；202 outer rings；201a single direction rotation connectors；
201b combined covers；3 housings；4 bolts；5 synchronous gears；6 conjunction gears；8 oiliness bearings；9 synchronize ring；10 shift forks；11 back fork axis；
12 input shafts；13 multifunctional axials；14 Multifunction cutting parallel operations；15 synchronizers；20 anti-rear slip devices；Z1 high speed driving gears；Z2 high
Fast driven gear；Z3 low-speed active gears；Z4 low speed driven gears；Z5 reverses gear driving gear；Z6 carrier gears；Z7 reverses gear driven
Gear.
Specific embodiment：
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model
These embodiments are not limited to, any improvement or replacement on the present embodiment essence spirit still falls within the utility model
Claim range claimed.
Embodiment 1：As shown in Figure 1, the speed changer that a kind of band slips after preventing, including input shaft 12 and output shaft 1, the input
By gear pair engaged transmission between axis 12 and the output shaft 1,1 tail end of output shaft is provided with anti-rear slip device 20,
The anti-rear slip device 20 includes the one-way rotation mechanism 2 being placed on the output shaft 1, and the one-way rotation mechanism 2 includes
Inner ring 201 and outer ring 202, the inner ring 201 are only capable of rotating in one direction relative to the outer ring 202, wherein, the inner ring
201 by lazy-tongs realize and the output shaft 1 combination with detaching, the outer ring 202 is fixedly connected with housing 3.
Wherein, the one-way rotation mechanism 2 can be existing market on can purchase unidirectionally combine bearing, one-way clutch,
Freewheel clutch etc. realizes the mechanism of single direction rotation.
In addition, may be provided with the gear pair that mostly set gearratios are different between the input shaft 12 of the speed changer and output shaft 1,
Make it that can realize the function of deceleration torque or speedup.Such as two sleeve gear it is secondary, three sleeve gears are secondary, four sleeve gears are secondary, five sets of teeth
Wheel set, six sleeve gears are secondary or more.
In the present embodiment, the gear pair being arranged between the input shaft 12 and output shaft 1 is two sets, respectively at a high speed
Gear pair and low-speed gear pair, but the two sleeve gears pair is for realizing the function of deceleration torque.
Wherein, the high-speed gear pair includes the high speed driving gear Z1 being installed on the input shaft 12 and engages
High speed driven gear Z2 that is being driven and being placed on the output shaft 1；The low-speed gear pair includes being installed in the input
Low-speed active gear Z3 on axis 12 and engage transmission and empty set and the low speed driven gear Z4 on the output shaft 1；
Synchronizer 15 is provided on output shaft between the high speed driven gear Z2 and the low speed driven gear Z4, by described same
Device 15 and the combination of the high speed driven gear Z2 or described low speed driven gears Z4 are walked, realizes speedy carding process or low speed output.
In addition, for the anti-rear slip device in this implementation, the inner ring 201 is placed on the output shaft 1, also
It is to say, there is gap between the inner ring 201 and output shaft 1, the output shaft 1 can not directly acts on one-way rotation mechanism 2
Inner ring 201, the power transmission of output shaft 1 and one-way rotation mechanism 2 need to can be realized by lazy-tongs.
In the present embodiment, the outer ring 202 of the one-way rotation mechanism 2 is in stationary state, and inner ring 201 passes through synchronous machine
Structure realized with the power transmission of output shaft 1 with detaching, wherein, the lazy-tongs can be synchronization ring, synchromesh gear or synchronizer
Etc. existing mechanism.
In the present embodiment, the rotatable direction of the inner ring 201 is arranged to the forward direction with the output shaft 1（Vehicle
Rotation direction when moving ahead）Unanimously.When vehicle forward, combined by lazy-tongs output shaft 1 with the inner ring 201,
The output shaft 1 drives the inner ring to rotate at this time, in this way since the inner ring of one-way rotation mechanism 201 is relative to outer ring 202
It is rotated there are one direction of rotation and with output shaft synchronous, so, when output shaft inverts, inner ring 201 1 can be driven
Reversion is played, and the outer ring 202 can limit the reversion action of inner ring 201, make it that can not realize reversion, therefore, output shaft 1 is similary
Also reversion can not be realized.
So when vehicle parking is on abrupt slope or when starting to walk on abrupt slope, output shaft 1 can be avoided to invert, avoided
Vehicle slips after generating.
When vehicle needs to fall back, by lazy-tongs output shaft 1 and inner ring 201 be in phase from state, it is described
Inner ring 201 is only empty set on the output shaft 1.At this point, output shaft 1 can not drive one-way rotation mechanism 2 to rotate, so defeated
Reversing is realized in the reversion of shaft 1.
The outer ring 202 of the one-way rotation mechanism 2 of the present embodiment is described interior by the realization of housing 3 and the concentric installation of output shaft 1
Circle 201 is located in outer ring 202 and outside empty sets and output shaft 1, while is realized by lazy-tongs and the concentric installation of output shaft 1,
It is limited.Ensure one-way rotation mechanism 2 during the work time in securing position, realize one-way rotation mechanism 2 with it is defeated
Smooth switching between shaft 1 avoids the problem that not moving backward caused by stuck.
It is locked on housing by outer ring, the Dynamic And Static Loads intensity of one-way rotation mechanism is improved, even if motor tricycle
In when overloaded, will not cause it is anti-after slip thrashing, can still ensure to work normally.
Also, the speed changer slipped after being prevented using the band of above-described embodiment, housing will not be worn, and one-way rotation mechanism will not
Disengaging, failure and bindiny mechanism's intensity height, Dynamic And Static Loads intensity are high, install reliably, so that slipping making for system after this is anti-
With long lifespan, 20,000 kilometers can be travelled without damaging.
In addition, as another embodiment in the present embodiment, the high-speed gear pair includes empty set and the input shaft
High speed driving gear Z1 on 12 and the high speed driven gear Z2 being installed on the output shaft 1, the low-speed gear pair include
The low-speed active gear Z3 being placed on the input shaft 12 and low speed driven gear Z4 being installed on the output shaft 1, institute
It states on the input shaft 12 that synchronizer 15 is arranged between the high speed driving gear Z1 and low-speed active gear Z3.
As another embodiment in the present embodiment, the speed changer further includes multifunctional axial 13, the multifunctional axial
13 are fixed on by bearing on the housing 3, circumferentially fixed on the multifunctional axial 13 and be slidably equipped with Multifunction cutting parallel operation 14,
The Multifunction cutting parallel operation 14 is stirred by shift fork or other toggle mechanisms to slide on multifunctional axial 13, can make itself and input shaft
High speed driving gear Z1 or low-speed active gear Z2 engagements on 12, realize multi-functional output, in the tail of the multifunctional axial 13
End is provided with multi-functional output interface, convenient for connecting other mechanisms.
A kind of motor tricycle, the speed changer slipped after preventing including the band in the present embodiment.
Embodiment 2：As shown in Figs. 1-5, the speed changer that a kind of band slips after preventing, it is described defeated including input shaft 12 and output shaft 1
Enter between axis 12 and the output shaft 1 through gear pair engaged transmission, 1 tail end of output shaft is provided with anti-rear slip device
20, the anti-rear slip device 20 includes the one-way rotation mechanism 2 being placed on the output shaft 1, and the one-way rotation mechanism 2 wraps
Inner ring 201 and outer ring 202 are included, the inner ring 201 is only capable of rotating in one direction relative to the outer ring 202, wherein, it is described interior
Circle 201 is realized by lazy-tongs and the combination of the output shaft 1 is with detaching, and the outer ring 202 is fixedly connected with housing 3.
Wherein, the one-way rotation mechanism 2 can be existing market on can purchase unidirectionally combine bearing, one-way clutch,
Freewheel clutch etc. realizes the mechanism of single direction rotation.
In addition, it may be provided with the gear pair that mostly set gearratios are different between the input shaft 12 of the speed changer and output shaft 1.
In the present embodiment, it is two sets to be arranged on gear pair between the input shaft 12 and output shaft 1, respectively high-speed gear pair and
Low-speed gear pair, and the two sleeve gears pair is for realizing the function of deceleration torque.
Wherein, the high-speed gear pair includes the high speed driving gear Z1 being installed on the input shaft 12 and engages
High speed driven gear Z2 that is being driven and being placed on the output shaft 1；The low-speed gear pair includes being installed in the input
Low-speed active gear Z3 on axis 12 and engage transmission and empty set and the low speed driven gear Z4 on the output shaft 1；
Synchronizer 15 is provided on output shaft between the high speed driven gear Z2 and the low speed driven gear Z4, by described same
Device 15 and the combination of the high speed driven gear Z2 or described low speed driven gears Z4 are walked, realizes that speedy carding process is exported with low speed.
In addition, the speed changer also has reverse gear mechanism, the reverse gear mechanism includes being arranged on the input shaft 12
Reverse gear driving gear Z5, the driven gear Z7 and can be with the driving gear Z5 that reverses gear of reversing gear that is arranged on the output shaft 1
With the carrier gear Z7 of reverse gear driven gear Z7 while engagement.
In the present embodiment, the driving gear Z5 that reverses gear is circumferentially fixed and is slidably installed on the input shaft 12, by falling
It keeps off shift fork and back fork axis 11 realizes its slip on input shaft 12, the driven gear Z7 that reverses gear is installed in the synchronization
On the outer wall of device 15, when the synchronizer 15 is located at middle part（Neither combined with the high speed driven gear Z2, also not with it is described low
Fast driven gear Z4 is combined）And when being engaged with the carrier gear Z6, the driving tooth that reverses gear is driven by back fork axis 11
Z5 is taken turns, it is made also to be engaged with the carrier gear Z6, is reversed gear at this point, just realizing.
In addition, as the anti-rear slip device in this implementation, the tail end of the power output of the output shaft 1 is arranged on, is leaned on
At nearly case of transmission, the outer ring 202 of the one-way rotation mechanism 2 by bolt 4 by its axial lock housing 3 endoporus
On, multiple latched positions are may be provided with, and be distributed on the periphery of outer ring 202, ensure that outer ring and the connection of housing 3 are strong with this
Degree.
The hole of output shaft 1 position is installed by being set on housing 3, by the center of outer ring 202 and the center pair of hole position
Then standard is locked it on the endoporus of housing 3 using bolt 4, the same of outer ring 202 and output shaft 1 has been ensured by housing 3
Heart degree, it is low to 202 processing request of outer ring, and concentricity is improved.
Wherein, the inner ring 201 is placed on the output shaft 1, that is to say, that between the inner ring 201 and output shaft 1
With gap, the output shaft 1 can not directly act on the inner ring of one-way rotation mechanism 2, need to can be real by lazy-tongs
The power transmission of existing output shaft 1 and one-way rotation mechanism 2, concrete structure have following several ways：
Mode one：Synchronous gear 5 is provided on the output shaft 1, the synchronous gear 5 is external tooth, with the output shaft 1 one
Body sets or is keyed with the output shaft 1.In the present embodiment, the synchronous gear 5 is connected with the output shaft 1 by spline
It connects.Be provided with conjunction gear 6 on the inner ring 201, the conjunction gear 6 is also external tooth, and the conjunction gear 6 be with it is described synchronous
The consistent external tooth of 5 gear parameter of tooth.And the lazy-tongs include synchronous ring 9, the synchronous ring 9 has can be with the synchronous gear
The internal gear of 5 engaged transmissions, is provided with annular groove on synchronous 9 outer wall of ring, shift fork 10 is provided in the annular groove.Pass through
Shift fork 10, which can stir the synchronous ring 9, to be made it while is engaged with the synchronous gear 5 and conjunction gear 6, at this point, the output shaft 1 is logical
It crosses synchronous gear 5 to be combined with the inner ring 201, the realization of inner ring 201 is rotated synchronously with the output shaft 1；By shift fork 10 also
The synchronous ring 9, which can be stirred, makes it only be engaged with the synchronous gear 5, at this point, the inner ring 201 is only placed in the output shaft
On 1, output shaft 1 can not drive the inner ring 201 to rotate.
Mode two：The inner ring 201 includes single direction rotation connector 201a and combined cover 201b, the combined cover 201b is empty
It is placed on outside the output shaft 1, the single direction rotation connector 201a is set on outside the combined cover 201b and can be with the combined cover
201b is rotated synchronously, and is formed a fixed connection；And the single direction rotation connector 201a can only realize list relative to the outer ring 202
It is to rotation, i.e., consistent with the forward direction of the output shaft 1.
And the conjunction gear 6 is arranged on the combined cover 201b, the conjunction gear 6 on the combined cover 201b is can be with institute
The internal gear of 5 engaged transmission of synchronous gear is stated, annular groove is provided on the outer wall of the conjunction gear 6, is provided in the annular groove
Shift fork 10.Can stir the combined cover 201b by shift fork 10 makes conjunction gear 6 thereon engage or detach with the synchronous gear 5,
When the conjunction gear 6 is engaged with the synchronous gear 5, the output shaft 1 drives the combined cover 201b and single direction rotation to engage
Device 201a is rotated, that is, the inner ring 201 is driven to rotate；When the shelves conjunction gear 6 is detached with the synchronous gear 5, the output shaft 1
Power is in mutually from state with the combined cover 201b, and the output shaft 1 can not drive the inner ring 201 to rotate.
Mode three：In this mode, the conjunction gear 6 is also provided on the combined cover 201b, only the conjunction gear 6
For the external tooth consistent with 5 gear parameter of synchronous gear, there is synchronous ring 9 in 5 external toothing of synchronous gear, the synchronous ring 9 is logical
Crossing stirring for shift fork 10 can realize while be engaged with the synchronous gear 5 and conjunction gear 6, can also realize only with the synchronous gear 5
Engagement.When synchronous ring 9 engages simultaneously with synchronous gear 5 and conjunction gear 6, output shaft 1 drives the inner ring 201 to rotate, and works as synchronization
When ring 9 is only engaged with synchronous gear 5, output shaft 1 can not drive inner ring 201 to rotate.
When vehicle is in forward traveling or dead ship condition, the inner ring 201 and the output shaft 1 are made by synchronizer
In bonding state.At this point, since the inner ring 201 can only realize single direction rotation, i.e., rotated forward with output shaft 1（Preceding line direction）One
The rotation of cause is slipped so can effectively avoid vehicle in climbing, abrupt slope starting, abrupt slope parking there is a situation where after.
When vehicle needs backward, discrete state is in by the synchronizer inner ring 201 and the output shaft 1
（I.e. output shaft 1 can not drive the inner ring 201 to rotate）, at this point, output shaft 1 can realize reversion, realize vehicle backing.
Wherein, the single direction rotation connector 201a mentioned in the present embodiment can be can only after existing and outer ring 202 coordinates
Realize the cam wedge mechanism of single direction rotation, cam+roller mechanism, cam+ball bearing mechanism, cam+ball spring mechanism etc..
In this implementation, the single direction rotation connector 201a is using cam wedge mechanism.
As another embodiment in the present embodiment, also set up between the combined cover 201b and the output shaft 1
There is oiliness bearing 8 so that the relative motion between combined cover 201b and output shaft 1 is more smooth.
As another embodiment in the present embodiment, the shift fork 10 is connect with the back fork axis 11 of vehicle, just
When normal traveling or neutral gear, synchronous ring 9 engages simultaneously with the synchronous gear 5 and conjunction gear 6.When need reversing when, hang reverse gear it is same
When the back fork axis 11 is driven to slide the shift fork 10 on synchronous ring 10 is driven to slide so that synchronous ring 9 only with 5 knot of synchronous gear
It closes, at this time, it can be achieved that backward.
Outer ring 202 in the present embodiment realize and output shaft is concentric installs that the inner ring 201 is located at outer ring by housing 3
It is socketed in 202 and by combined cover 201b and output shaft 1, while is realized by lazy-tongs and felt at ease with the same of combined cover 201b
Dress, is limited.Ensure one-way rotation mechanism 2 during the work time in securing position, realize one-way rotation mechanism 2 with
Smooth switching between output shaft 1 avoids the problem that not moving backward caused by stuck.
It is locked on housing 3 by outer ring 202, the Dynamic And Static Loads intensity of one-way rotation mechanism 2 is improved, even if three-wheel rubs
Motorcycle is in when overloaded, will not to slip thrashing after preventing, can still be ensured to work normally.
Also, above-mentioned lazy-tongs being used, avoid the dynamic friction between housing 3 so that housing 3 will not be worn,
Also, outer ring is fixed, and inner ring is between combined cover and outer ring so that one-way rotation mechanism without departing from, failure, improving it makes
Use the service life.
Generally speaking, the speed changer of this implementation be provided with it is anti-after the function slipped, and the speed changer can be integrated with engine
It is integrated, can also be separately provided, connect by screw with gear box output end or engine output end.Improve motor tricycle
The security performance of vehicle when in use.
With the above arrangement, ensure that the reliability of the anti-rear slip device work in the present embodiment, the reliability of connection is changed
The reliability of gear, the reliability of installation, improve intensity, installation accuracy and the rigidity of structure, so that slip device after this is anti-
Service life it is long, can travel 30,000 kilometers without damage.
Moreover, the speed changer of the present embodiment also has gear reversing function, and the speed changer is small, and occupied space is few, cost
It is low, suitable for the engine and vehicle frame of existing motor tricycle.
In addition, another embodiment as the present embodiment, the speed changer further includes multifunctional axial 13, described multi-functional
Axis 13 is fixed on by bearing on the housing 3, circumferentially fixed on the multifunctional axial 13 and be slidably equipped with Multifunction cutting parallel operation
14, stir the Multifunction cutting parallel operation 14 by shift fork or other toggle mechanisms and slided on multifunctional axial 13, can make its with it is defeated
Enter the high speed driving gear Z1 on axis 12 or low-speed active gear Z2 engagements, multi-functional output is realized, in the multifunctional axial 13
Tail end be provided with multi-functional output interface, convenient for connecting other mechanisms.
A kind of motor tricycle, the speed changer slipped after preventing including the band in the present embodiment.
Embodiment 3：The present embodiment is being further improved in embodiment 1 and embodiment 2, in embodiment 1 and embodiment 2
Speed changer be integrated in output shaft one end of engine for motorcycle, the housing 3 is connected by screw in engine housing
Tail portion, and the housing also forms entirety by suspension holdfast and vehicle frame.
Claims (17)
1. a kind of speed changer that band slips after preventing, including input shaft（12）With output shaft（1）, the input shaft（12）With the output
Axis（1）Between pass through gear pair engaged transmission, it is characterised in that：In the output shaft（1）Tail end is provided with anti-rear slip device
（20）, the anti-rear slip device is including being placed in the output shaft（1）On one-way rotation mechanism（2）, the single direction rotation machine
Structure（2）Including inner ring（201）And outer ring（202）, the inner ring（201）Relative to the outer ring（202）It is only capable of in one direction
Rotation, wherein, the inner ring（201）It is realized and the output shaft by lazy-tongs（1）Combination with detaching, the outer ring
（202）With housing（3）It is fixedly connected.
The speed changer slipped after 2. band as described in claim 1 is anti-, it is characterised in that：It further includes and housing is fixed on by bearing
（3）On multifunctional axial（13）, in the multifunctional axial（13）It is upper circumferentially fixed and be slidably equipped with Multifunction cutting parallel operation（14）.
The speed changer slipped after 3. band as claimed in claim 1 or 2 is anti-, it is characterised in that：In the input shaft（12）With it is described
Output shaft（1）Between be provided at least two sets rotating forward gear pairs, in the input shaft（12）With the output shaft（1）Between also set
It is equipped with reverse gear mechanism.
The speed changer slipped after 4. band as claimed in claim 3 is anti-, it is characterised in that：In the input shaft（12）With output shaft
（1）Between be provided with two sleeve gear pairs, respectively high-speed gear pair and low-speed gear pair, in the high-speed gear pair and low speed tooth
Input shaft between wheel set（12）Or output shaft（1）On be provided with synchronizer（15）.
The speed changer slipped after 5. band as claimed in claim 4 is anti-, it is characterised in that：The synchronizer（15）It is arranged on described defeated
Shaft（1）On, the reverse gear mechanism includes circumferentially fixed and is slidably installed in the driving gear that reverses gear on the input shaft（Z5）, it is fixed
In the synchronizer（15）The driven gear that reverses gear on outer wall（Z7）It and can be with the driving gear that reverses gear（Z5）With reverse gear from
Moving gear（Z7）The carrier gear being meshed（Z6）, the driving gear that reverses gear（Z5）Pass through back fork and back fork axis
（11）In the input shaft（12）Upper slip.
6. the speed changer that the band as described in claim 1,2,4 or 5 slips after preventing, it is characterised in that：The one-way rotation mechanism（2）
Outer ring（202）Pass through bolt（4）Lock is in the housing（3）Endoporus on.
The speed changer slipped after 7. band as claimed in claim 3 is anti-, it is characterised in that：The one-way rotation mechanism（2）Outer ring
（202）Pass through bolt（4）Lock is in the housing（3）Endoporus on.
The speed changer slipped after 8. band as claimed in claim 6 is anti-, it is characterised in that：In the output shaft（1）On be provided with it is same
Walk tooth（5）, in the inner ring（201）Upper setting conjunction gear（6）, the synchronous gear（5）With the conjunction gear（6）By described same
Walking mechanism realizes combination with detaching.
The speed changer slipped after 9. band as claimed in claim 7 is anti-, it is characterised in that：In the output shaft（1）On be provided with it is same
Walk tooth（5）, in the inner ring（201）Upper setting conjunction gear（6）, the synchronous gear（5）With the conjunction gear（6）By described same
Walking mechanism realizes combination with detaching.
The speed changer slipped after 10. band as claimed in claim 8 is anti-, it is characterised in that：The synchronous gear（5）For external tooth, and with
The output shaft（1）Be wholely set or with the output shaft（1）Key connection.
The speed changer slipped after 11. band as claimed in claim 9 is anti-, it is characterised in that：The synchronous gear（5）For external tooth, and with
The output shaft（1）Be wholely set or with the output shaft（1）Key connection.
12. the speed changer that the band as described in claim 8,9,10 or 11 slips after preventing, it is characterised in that：The inner ring（201）Packet
Include single direction rotation connector（201a）And combined cover（201b）, the combined cover（201b）It is placed in the output shaft（1）Outside, institute
State single direction rotation connector（201a）Set on the combined cover（201b）It outside and can be with the combined cover（201b）It rotates synchronously；Institute
State conjunction gear（6）It is arranged on combined cover（201b）On.
The speed changer slipped after 13. band as claimed in claim 12 is anti-, it is characterised in that：The single direction rotation connector（201a）
For cam wedge mechanism.
The speed changer slipped after 14. band as claimed in claim 12 is anti-, it is characterised in that：In the combined cover（201b）With it is described
Output shaft（1）Between be additionally provided with oiliness bearing（8）.
15. the speed changer that the band as described in claim 13 or 14 slips after preventing, it is characterised in that：The conjunction gear（6）For with institute
State synchronous gear（5）The consistent external tooth of gear parameter, the lazy-tongs include synchronous ring（9）, in the synchronous ring（9）Wild card
Equipped with shift fork（10）, the synchronous ring（9）It can be with the synchronous gear（5）And conjunction gear（6）Engaged transmission.
The speed changer slipped after 16. band as claimed in claim 15 is anti-, it is characterised in that：The shift fork and back fork axis（11）
Connection.
17. a kind of motor tricycle, the speed changer slipped after preventing including the band described in any of the above-described claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074660.XU CN207510641U (en) | 2017-08-25 | 2017-08-25 | The speed changer and motor tricycle that a kind of band slips after preventing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074660.XU CN207510641U (en) | 2017-08-25 | 2017-08-25 | The speed changer and motor tricycle that a kind of band slips after preventing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207510641U true CN207510641U (en) | 2018-06-19 |
Family
ID=62532411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721074660.XU Active CN207510641U (en) | 2017-08-25 | 2017-08-25 | The speed changer and motor tricycle that a kind of band slips after preventing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207510641U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416122A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | The speed changer and motor tricycle slipped after a kind of band is anti- |
-
2017
- 2017-08-25 CN CN201721074660.XU patent/CN207510641U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416122A (en) * | 2017-08-25 | 2017-12-01 | 重庆万虎机电有限责任公司 | The speed changer and motor tricycle slipped after a kind of band is anti- |
| CN107416122B (en) * | 2017-08-25 | 2021-03-16 | 重庆万虎机电有限责任公司 | Transmission with backward slip prevention function and motor tricycle |
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