CN207513686U - A kind of multifunctional engine and motor tricycle - Google Patents

Abstract

The utility model discloses a kind of multifunctional engine and motor tricycle, wherein, the multifunctional engine includes sequentially connected heat engine along longitudinal direction（16）, built-in variable speed mechanism（17）, built-in changement（18）And built-in secondary gear（19）, it is characterised in that：The built-in variable speed mechanism（17）Including main shaft（171）And countershaft（172）And in the main shaft（171）And countershaft（172）Between be provided with multipair gear pair, the gear pair and the main shaft（171）And countershaft（172）Between be axial restraint dynamic connection, two adjacent gear pairs and the synchronizer set between it（7）Form a switch unit（21）, the switch unit（21）It is axially disposed in the main shaft（171）And countershaft（172）On.Using the engine of the utility model, the service life can be increased and improve interchangeability.

Description

A kind of multifunctional engine and motor tricycle

Technical field：

Start the utility model is related to a kind of multifunctional engine more particularly to available for multi-functional on motor tricycle Machine.

Background technology：

Engine on motor tricycle at present, main functional components include heat engine, gear and reverse gear mechanism. And the engine on the motorcycle of part, reverse gear mechanism are external, will arrive gear mechanism and be hung on outside engine housing.Portion Point motorcycle engine by built in reverse gear mechanism in engine case body.

Existing motorcycle engine, functional structure are crossed with single, and are limited to the space limitation of frame of motorcycle, nothing Method improves its functionality.Increasing the function of engine by plug-in mode easily influences the performance of engine, and fragile starts Box body, in addition its anti-leakage of external hanging type is poor, and greasy property is poor.

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 reverse speed shift rod, 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, housing is caused to grind during experiment The problems such as damage, freewheel clutch comes off, scraps.In addition, the bearing capacity that component is slipped after this is anti-is too low, when tricycle load is excessively high When, component failures are slipped after this can be caused, can not be played a role completely.By utility model people's test of many times, even if finding The existing above problem, the average life that component is slipped after this is anti-is only thousand kilometers of 1-2, when vehicle travels longer than 2,000 kilometers, Slipping component after this is anti-can scrap completely, can not use.

In addition, its speed changer of available engine has more, there are six gears, and including main shaft and countershaft, which is arranged on Between major-minor axis, and by the variation of special shape gear realization gear, using existing speed changer, its interchangeability is poor, and regulating power Difference, gearratio speed adjustable range are small.In addition using existing speed changer, mold is complicated, and mold loss is high, processing duration compared with Long, energy consumption consumption is high, is unfavorable for energy-saving and emission-reduction.

Utility model content：

The purpose of this utility model is that a kind of interchangeability is strong and the multifunctional engine of long lifespan.

In order to achieve the above object, the utility model is realized in this way：A kind of multifunctional engine, including along longitudinal direction according to Heat engine, built-in variable speed mechanism, built-in changement and the built-in secondary gear of secondary connection, it is characterised in that：It is described built-in Gear includes main shaft and countershaft and multipair gear pair is provided between the main shaft and countershaft, the gear pair with it is described It is the dynamic connection of axial restraint between main shaft and countershaft, two adjacent gear pairs and the synchronizer set between it are formed One switch unit, the switch unit are axially disposed on the main shaft and countershaft.Using the above-mentioned speed changer of may be such that Interchangeability improves, and then improves the interchangeability of engine, in addition also reduces manufacture cost and improves engine life. There are energy-saving and emission-reduction in manufacturing process.

In order to further improve the convenience of operation, the synchronizer can slide axially and be set in the synchronizer both sides Pawl is equipped with, is provided on the fluted disc of the gear pair and the matched groove body of the pawl.The synchronization of aforesaid way setting Exchange can also be realized between device.

In order to further realize six grades of speed changes, the switch unit is three, and the No.1 including setting gradually in an axial direction is changed Shelves unit, No. two switch units and No. three switch units, wherein No.1 switch unit include No.1 left gear pair and No.1 Right gear is secondary and is arranged on the secondary No.1 synchronizer between No.1 right gear pair of No.1 left gear；No. two switch units include It is secondary and No. two right gears are secondary and are arranged on secondary No. two between No. two right gear pairs of No. two left gears including No. two left gears Synchronizer；No. three switch units include No. three left gear pairs and No. three right gears it is secondary and be arranged on No. three left gear pairs and No. three synchronizers between No. three right gear pairs.

To advanced optimize structure, the No.1 synchronizer is arranged on the countershaft, the No.1 left gear pair and one The gear that number right gear pair is located on countershaft is empty set, the gear on main shaft is fixedly connected with main shaft；No. two synchronizations Device is arranged on the main shaft, and the gear that No. two left gear pairs and No. two right gear pairs are located on main shaft is empty set, is located at Gear on countershaft is fixedly connected with countershaft；No. three synchronizers are arranged on the countershaft, No. three left gear pairs and The gear that No. three right gear pairs are located on countershaft is empty set, the gear on main shaft is fixedly connected with main shaft.

In order to further improve the convenience of engine assembly, the built-in changement includes passing through with the countershaft straight The commutation driving shaft of gear pair connection is provided with commutation drive bevel gear, the commutation initiative taper on the commutation driving shaft Gear and the commutation driven wheel of differential engaged transmission set on the input shaft of the built-in secondary gear, and the commutation is driven Bevel gear is wholely set with the input shaft.

The change turned to further to realize deceleration torque and engine, the built-in secondary gear further include with it is described Input shaft is by the output shaft of gear pair engaged transmission, and the gear pair between the input shaft and output shaft is two pairs, respectively High-speed gear pair and low-speed gear pair, synchronizer is provided on the output shaft, between the input shaft and output shaft also It is provided with reverse gear mechanism；The reverse gear mechanism includes reverse driving gear that is circumferentially fixed and being slidably installed on the input shaft, Gu It the reverse gear driven gear that is scheduled on the synchronizer outer wall and can mutually be nibbled with the reverse driving gear and reverse gear driven gear The carrier gear of conjunction, the reverse driving gear are slided by reverse speed fork and reverse speed shift rod on the input shaft.

In order to further improve the multifunctionality of engine, the built-in secondary gear is further included to be fixed on by bearing Multifunctional axial on housing, circumferentially fixed on the multifunctional axial and be slidably equipped with Multifunction cutting parallel operation, the multi-functional switching Device can be with low-speed active gear engaged transmission fixed on the input shaft.

In order to further improve the reliability that engine uses, the output shaft output terminal be additionally provided with it is anti-after slip dress It puts, the anti-rear slip device includes the one-way rotation mechanism being placed on the output shaft, and the one-way rotation mechanism includes interior Circle and outer ring, the inner ring are only capable of rotating in one direction relative to the outer ring, wherein, the inner ring passes through lazy-tongs reality Now and the combination of the output shaft is with detaching, and the outer ring is fixedly connected with the casing.Using the above structure, it realizes to slip after preventing and cut The smoothness changed avoids the problem that not moving backward caused by stuck.Also, using above-mentioned set-up mode it is anti-after slip system, Housing will not be worn, one-way rotation mechanism without departing from, failure, improve this it is anti-after slip the service life of system.On in addition, Set-up mode is stated, improves the Dynamic And Static Loads intensity of one-way rotation mechanism, even if motor tricycle is in when overloaded, will not be made Thrashing is slipped after must preventing, can still ensure to work normally.

In order to further improve reliability, synchronous gear is provided on the output shaft, the inner ring includes single direction rotation Connector and combined cover, the combined cover are placed in outside the output shaft, and the single direction rotation connector is set on the combined cover It can rotate synchronously outside and with the combined cover；Conjunction gear is set on the combined cover, by shift fork drive synchronous ring with it is described Synchronous gear and with reference to tooth engagement.

In order to further realize synchronism switching, the shift fork and reverse speed fork axis connection.

A kind of motor tricycle, including above-mentioned multifunctional engine.

Advantageous effect：

Using the multifunctional engine of the utility model：

1st, exchange performance is improved, and manufacture efficiency is high, reduces process time, and processing cost is low, there is energy saving subtract The advantage of row.

2nd, so that engine can external multifunctional equipment, and also there is reverse gear.

3rd, the multifunctional engine of the utility model can match a variety of travel speeds, improve the applicability of engine Can, and engine structure setting is reasonable, occupies little space so that babinet area is small, reduces the cost of engine.

4th, slip device and engine are combined after preventing so that engine has the function of to slip after preventing, improves its use Security performance, in addition, the engine also has, performance is good, transmission efficiency, greasy property is good, anti-leakage is good, intensity is high Etc. advantages；And 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 system in work Make the stuck problem occurred in the process；

5th, in addition, the anti-rear slip device in the utility model will not cause to wear to housing, installation reliability is high, unidirectional to revolve The situation that rotation mechanism will not fall off, move so that one-way rotation mechanism service life is long；Its Dynamic And Static Loads intensity is high, i.e., Vehicle is made to be in heavy condition, can also keep normal operating conditions, will not be failed；

6th, 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 multifunctional engine drive mechanism figure in the utility model（Band multifunctional axial）；

Fig. 2 is the built-in variable speed mechanism structure figure one in the utility model；

Fig. 3 is the built-in variable speed mechanism structure figure two in the utility model；

Fig. 4 is the built-in secondary gear structure chart one in the utility model；

Fig. 5 is the built-in secondary gear structure chart two in the utility model；

Fig. 6 is the structure chart of the anti-rear slip device in the utility model；

Fig. 7 is the explosive view of Fig. 6.

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；7 synchronizers；71 No.1 synchronizers；72 No. two synchronizers；73 3 Number synchronizer；8 oiliness bearings；9 synchronize ring；10 shift forks；11 reverse speed shift rods；12 input shafts；13 multifunctional axials；14 Multifunction cuttings Parallel operation；15 synchronizers；16 heat engines；161 bent axles；17 built-in variable speed mechanisms；171 main shafts；172 countershafts；Changement built in 18； 181 commutation driving shafts；Secondary gear built in 19；20 anti-rear slip devices；21 switch units；211 No.1 switch units；211a mono- Number left gear pair；211b No.1 right gear pairs；212 No. two gear shift units；No. bis- left gear pairs of 212a；No. bis- right gears of 212b It is secondary；213 No. three switch units；No. tri- left gear pairs of 213a；No. tri- right gear pairs of 213b；Z1 high speed driving gears；Z2 at a high speed from Moving gear；Z3 low-speed active gears；Z4 low speed driven gears；Z5 reverse driving gears；Z6 carrier gears；Z7 reverse gear driven tooths Wheel；Z9 commutation driving gears；Z10 commutation driven gears.

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：As shown in figs. 1-7, the multifunctional engine that a kind of band slips after preventing, including sequentially connected heat along longitudinal direction Machine 16, built-in variable speed mechanism 17, built-in changement 18 and built-in secondary gear 19, in the built-in secondary gear 19 Output terminal be provided with it is anti-after slip device 20.

Wherein, the heat engine 16 is used to provide power for engine, and the built-in variable speed mechanism 17 is for changing engine Output speed, the built-in changement 18 is used to implement the commutation of engine power transmission direction, from laterally becoming longitudinal direction, The built-in secondary gear 19 is equally to be used to implement adjusting engine speed, and the built-in secondary gear 19 also is able to Realize the rotating of engine so that vehicle can backward, also set up in the output terminal of the built-in secondary gear 19 There is the anti-rear slip device 20.

In the present embodiment, the bent axle 161 of the heat engine 16 and the main shaft 171 of the built-in variable speed mechanism 17 pass through straight-tooth Wheel set is sequentially connected.

It is sequentially connected between the main shaft 171 of the built-in variable speed mechanism 17 and countershaft 172 by gear pair, the gear pair Be the dynamic connection of axial restraint between the main shaft 171 and countershaft 172, two adjacent gear pairs and its between set Synchronizer form a switch unit 4, the switch unit 4 is axially disposed on the main shaft and countershaft.

Wherein, the gear pair in this implementation is made of disc type gear, is alternatively other shapes certainly, but is not influenced same Walk device work.The gear that the dynamic connection then refers to the power on the main shaft and can not be transmitted on countershaft or on main shaft is Gear in idle running or countershaft is idle running.

And the synchronizer 7 can slide axially and the gear pair of both sides and main shaft and countershaft is made to form static connection.Specifically Structure is：7 both sides of synchronizer are provided with pawl, are provided on the fluted disc of the gear pair matched with the pawl Groove body.When 7 Slideslip to the left of synchronizer, it is connect with the gear in 4 left side of switch unit by pawl and groove body so that left Side gear pair forms static connection with major-minor axis, and the power of main shaft is transmitted to countershaft by left side gear pair at this time, when the synchronization Device 7 to the right Slideslip when, connect with the gear on the right side of switch unit 4 by pawl and groove body so that right side gear pair and major-minor Axis forms static connection, at this point, the power of main shaft is transmitted to countershaft by right side gear pair.

In addition, the gear pair in the present embodiment carries out axial restraint by the shaft shoulder, clip for limiting or stop collar.And gear can It is formed a fixed connection by way of spline, gear cooperation with main shaft or countershaft.Or directly gear and axis can be integrally formed.

And the switch unit 4 in the present embodiment can be axially disposed two, three, four, five, six or more It is more, when gear pair logarithm is odd number, one pair of which gear pair and synchronizer one switch unit of formation or last Pawl is set on the fluted disc of a gear pair, gear pair connected, and that there is groove body can be formed with the groove body of adjacent gear pair It is connected with axis.And considered based on space layout, the synchronizer of two neighboring switch unit on countershaft and main shaft or main shaft with it is secondary It is set gradually on axis.

In the present embodiment, the switch unit is three, that is to say, that there are six gears for the speed changer tool.

Three switch units are 211, No. two switch units 212 of No.1 switch unit set gradually from left to right in an axial direction With No. three switch units 213, wherein No.1 switch unit 211 includes No.1 left gear secondary 211a and No.1 right gear pair 211b and the No.1 synchronizer 71 being arranged between No.1 left gear secondary 211a and No.1 right gear secondary 211b；No. two gear shift lists Member 212 includes No. two left gear secondary 212a and No. two right gear 212b pairs and is arranged on No. two left gear secondary 212a and two No. two synchronizers 72 between number right gear secondary 212b；No. three switch units 213 include No. three left gear secondary 213a and three Number right gear secondary 213b and No. three synchronizers 73 being arranged between No. three left gear secondary 213a and No. three right gear secondary 213b.

Wherein, the No.1 synchronizer 71 is arranged on the countershaft, the No.1 left gear pair and No.1 right gear pair Gear on countershaft is consolidated for empty set and by clamp progress axial restraint, the gear on main shaft and main shaft by spline It is fixed to connect and axial restraint is carried out by stop collar；No. two synchronizers 72 are arranged on the main shaft, No. two left teeth The gear that wheel set and No. two right gear pairs are located on main shaft carries out axial restraint, the tooth on countershaft for empty set and by clamp Wheel is fixedly connected by spline with countershaft and carries out axial restraint by the shaft shoulder；No. three synchronizers 73 are arranged on the countershaft On, the gear that No. three left gear pairs and No. three right gear pairs are located on countershaft carries out axially admittedly for empty set and by clamp One of them connect and by shaft shoulder realization axial restraint the fixed, gear on main shaft with main shaft by spline, another with Integrated spindle axis is molded.

The No.1 shift fork, No. two shift forks and No. three shift forks is driven to realize different gear pairs and master by shift fork axle Power on main shaft is transmitted to by variable gearratio on countershaft by the static connection of countershaft.

And the countershaft 172 receives the power transmitted from the main shaft 171, is then transmitted to interior displacement by spur gear pair On the commutation driving shaft 181 of mechanism, fixing sleeve is equipped with commutation drive bevel gear Z9 on the commutation driving shaft 181, in institute The input terminal of the input shaft 12 of secondary gear built in stating is provided with the commutation with the commutation drive bevel gear Z9 engaged transmissions Driven wheel of differential Z10 realizes the commutation of drive path, wherein, the commutation driven wheel of differential Z10 can with the input shaft 12 Be integrated setting or be separately set, when being separately set, it is described commutation driven wheel of differential Z10 by spline with it is described defeated Enter the input terminal connection of axis 12.In the present embodiment, the commutation driven wheel of differential Z10 is integrated with the input shaft 12 sets It puts.

In addition, it may be provided with more set gearratios not between the built-in secondary input shaft 12 of gear 19 and output shaft 1 Same gear pair, makes 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 sets of teeth Wheel set, five sleeve gears are secondary, 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, also there is the built-in secondary gear Z19 reverse gear mechanism to realize its positive and negative rotating function, the reverse gear machine Structure includes the reverse driving gear Z5 being arranged on the input shaft 12, the reverse gear driven gear being arranged on the output shaft 1 The Z7 and carrier gear Z6 that can be simultaneously engaged with the reverse driving gear Z5 and reverse gear driven gear Z7.

In the present embodiment, the reverse driving gear Z5 is circumferentially fixed and is slidably installed on the input shaft 12, by falling Shelves shift fork and reverse speed shift rod 11 realize its slip on input shaft 12, and the reverse gear driven gear Z7 is installed in the synchronization On the outer wall of device 15, when the synchronizer 15 is located at middle part（Neither combined with high speed driven gear Z2, also not with low speed driven tooth Z4 is taken turns to combine）And when being engaged with the carrier gear Z6, the reverse driving gear Z5 is driven by reverse speed shift rod 11, makes it Also it is engaged with the carrier gear Z6, at this point, just realizing reverse gear.

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 is by bolt 4 by its axial lock in housing 3（The shell Body can be the housing of built-in secondary gear, with the housing of engine entirety or can be individually for anti-rear slip device setting Housing）Endoporus on, may be provided with multiple latched positions, and be distributed on the periphery of outer ring 202, outer ring and shell ensured with this The bonding strength of body 3.

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 reverse speed shift rod 11, normally travel Or during neutral gear, synchronous ring 9 engages simultaneously with the synchronous gear 5 and conjunction gear 6.When needing reversing, driven while hanging reverse gear The reverse speed shift rod 11, which slides, drives the shift fork 10 on synchronous ring 10 to slide so that and synchronous ring 9 is only combined with synchronous gear 5, this When, it can be achieved that backward.Synchronism switching is achieved the effect that.

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.

In conclusion the engine power using the present embodiment passes up to built-in secondary gear by heat engine 16 19, and the output shaft 1 for passing through built-in secondary gear 19 exports, in this process, a variety of travel speeds can be matched, The applicable performance of engine is improved, and engine structure setting is reasonable, occupies little space so that babinet area is small, reduces The cost of engine.So that the manufacture of engine, processing are more prone to, economic performance is improved.

In addition, the engine of the present embodiment makes its security performance high also with performance is slipped after preventing.And performance is good, passes The advantages such as efficiency of movement is high, greasy property is good, anti-leakage is good, intensity is high.

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 shelves, 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.

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.

As another embodiment in the present embodiment, the housing 3 can be to be individually for the case that anti-rear slip device 20 is set Body can be also wholely set, and the housing 3 is also formed by suspension holdfast and vehicle frame with the babinet of built-in secondary gear 19 It is whole.

As another embodiment in the present embodiment, a pair of of foot starter receiver is additionally provided between the major-minor axis It is secondary.

Claims (11)

1. a kind of multifunctional engine, including sequentially connected heat engine along longitudinal direction（16）, built-in variable speed mechanism（17）, built-in commutation Mechanism（18）And built-in secondary gear（19）, it is characterised in that：The built-in variable speed mechanism（17）Including main shaft（171）With Countershaft（172）And in the main shaft（171）And countershaft（172）Between be provided with multipair gear pair, the gear pair and the master Axis（171）And countershaft（172）Between be axial restraint dynamic connection, two adjacent gear pairs and set between it same Walk device（7）Form a switch unit（21）, the switch unit（21）It is axially disposed in the main shaft（171）And countershaft （172）On.

2. multifunctional engine as described in claim 1, it is characterised in that：The synchronizer（7）Can slide axially and The synchronizer（7）Both sides are provided with pawl, are provided on the fluted disc of the gear pair and the matched groove body of the pawl.

3. multifunctional engine as claimed in claim 2, it is characterised in that：The switch unit（21）It it is three, including edge The No.1 switch unit axially set gradually（211）, No. two switch units（212）With No. three switch units（214）, wherein No.1 Switch unit（211）Including including No.1 left gear pair（211a）With No.1 right gear pair（211b）And it is arranged on the left tooth of No.1 Wheel set（211a）With No.1 right gear pair（211b）Between No.1 synchronizer（71）；No. two switch units（212）Including including No. two left gear pairs（212a）With No. two right gear pairs（212b）And it is arranged on No. two left gear pairs（212a）With No. two right teeth Wheel set（212b）Between No. two synchronizers（72）；No. three switch units（213）Including including No. three left gear pairs（213a）With No. three right gear pairs（213b）And it is arranged on No. three left gear pairs（213a）With No. three right gear pairs（213b）Between No. three Synchronizer（73）.

4. multifunctional engine as claimed in claim 3, it is characterised in that：The No.1 synchronizer（71）It is arranged on the pair Axis（172）On, the No.1 left gear pair（211a）With No.1 right gear pair（211b）Positioned at countershaft（172）On gear for sky It covers, positioned at main shaft（171）On gear and main shaft（171）It is fixedly connected；No. two synchronizers（72）It is arranged on the main shaft （171）On, No. two left gear pairs（212a）With No. two right gear pairs（212b）Positioned at main shaft（171）On gear for sky It covers, positioned at countershaft（172）On gear and countershaft（172）It is fixedly connected；No. three synchronizers（73）It is arranged on the countershaft （172）On, No. three left gear pairs（213a）With No. three right gear pairs（213b）Positioned at countershaft（172）On gear for sky It covers, positioned at main shaft（171）On gear and main shaft（171）It is fixedly connected.

5. the multifunctional engine as described in claim 1,2,3 or 4, it is characterised in that：The built-in changement（18）Packet It includes and the countershaft（172）The commutation driving shaft connected by spur gear pair（181）, in the commutation driving shaft（181）On set It is equipped with commutation drive bevel gear（Z9）, the commutation drive bevel gear（Z9）With the built-in secondary gear（19）Input shaft （12）The commutation driven wheel of differential of upper setting（Z10）Engaged transmission, and the commutation driven wheel of differential（Z10）With the input shaft （12）It is wholely set.

6. multifunctional engine as claimed in claim 5, it is characterised in that：The built-in secondary gear（19）Further include with The input shaft（12）Pass through the output shaft of gear pair engaged transmission（1）, the input shaft（12）With output shaft（1）Between tooth Wheel set is two pairs, respectively high-speed gear pair and low-speed gear pair, in the output shaft（1）On be provided with synchronizer A（15）, The input shaft（12）With output shaft（1）Between be additionally provided with reverse gear mechanism；The reverse gear mechanism includes circumferentially fixed and cunning and sets In the input shaft（12）On reverse driving gear（Z5）, it is fixed on the synchronizer A（15）Reverse gear driven tooth on outer wall Wheel（Z7）It and can be with the reverse driving gear（Z5）With reverse gear driven gear（Z7）The carrier gear being meshed（Z6）, institute State reverse driving gear（Z5）Pass through reverse speed fork and reverse speed shift rod（11）In the input shaft（12）Upper slip.

7. multifunctional engine as claimed in claim 6, it is characterised in that：The built-in secondary gear（19）It further includes logical It crosses bearing and is fixed on housing（3）On multifunctional axial（13）, in the multifunctional axial（13）It is upper circumferentially fixed and be slidably equipped with more work( It can switch（14）, the Multifunction cutting parallel operation can be with low-speed active gear engaged transmission fixed on the input shaft.

8. multifunctional engine as claimed in claims 6 or 7, it is characterised in that：It is also set up in the output terminal of the output shaft There is anti-rear slip device, the anti-rear slip device includes being placed in the output shaft（1）On one-way rotation mechanism（2）, the list To rotating 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 court One direction rotates, wherein, the inner ring（201）It is realized and the output shaft by lazy-tongs（1）Combination with detaching, institute State outer ring（202）With housing（3）It is fixedly connected.

9. multifunctional engine as claimed in claim 8, it is characterised in that：In the output shaft（1）On be provided with synchronous gear （5）, the inner ring（201）Including single direction rotation connector（201a）And combined cover（201b）, the combined cover（201b）Empty set In the output shaft（1）Outside, the single direction rotation connector（201a）Set on the combined cover（201b）It outside and can be with the knot Trap（201b）It rotates synchronously；In the combined cover（201b）Upper setting conjunction gear（6）, by shift fork drive synchronous ring with it is described Synchronous gear and with reference to tooth engagement.

10. multifunctional engine as claimed in claim 9, it is characterised in that：The shift fork（10）With reverse speed shift rod（11） Connection.

11. a kind of motor tricycle, including the multifunctional engine described in any of the above-described claim.