CN201382130Y

CN201382130Y - Integrated automotive advancing, reserve gear and stress application transmission

Info

Publication number: CN201382130Y
Application number: CN200920126460U
Authority: CN
Inventors: 尹书勤
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-26
Filing date: 2009-02-26
Publication date: 2010-01-13
Anticipated expiration: 2019-02-26

Abstract

The utility model discloses an integrated automotive advancing, reverse gear and stress application transmission which comprises a power input shaft, a counter shaft and a power output shaft, wherein the power input shaft is matched with the counter shaft through a driving device, a selector is arranged on the counter shaft, the two sides of the selector are respectively provided with a stress application driving gear wheel and a forward driving gear wheel which are jointed with the selector and are matched with the counter shaft in a rotating way, the middle gear of the selector is a reverse gear, a reverse gear driving gear wheel is matched with the selector, and is meshed with a driven gear wheel through a reserve gear intermediate gear wheel which is arranged on a reverse gear shaft, the forward driving gear wheel and the stress application driving gear wheel are respectively meshed with a driven gear wheel and a stress application driven gear wheel on the power output shaft. The transmission integrates the stress application, reverse gear and the fast gear shifting, shortens the stress application and a reverse gear driving chain, reduces the power consumption, improves the mechanical efficiency, reduces the procedures of installation, maintenance and operation, has compact structure, changes an existing layout, and perfects the design of the like vehicle transmission mechanisms and the reasonability of the vehicle layout.

Description

Motor Vehicle advances, reverse gear and boosting integrated speed variator

Technical field

The utility model relates to a kind of automotive component, and particularly a kind of Motor Vehicle advances, reverse gear and boosting integrated speed variator.

Background technique

Mini motor vehicles such as motor tricycle and miniature four-wheel agricultural vehicle are used widely owing to light and flexible.In the prior art, the reverse gear of mini motor vehicle generally adopts the assembly structure that is installed on the engine speed changer, by the countershaft transferring power of engine speed changer, changes the transmission of power direction, thereby has increased gear reversing function; Motor tricycle and miniature four-wheel agricultural vehicle are all taked reverse gear to be installed and the motion that realizes reversing gear on the engine speed changer equally.

And compact car is in climbing or when travelling on the poor road surface of driving conditions, and mini motor vehicle cruising condition can't satisfy, and therefore, need carry out reinforcing; In the prior art, compact car (such as motor tricycle and miniature four-wheel agricultural vehicle) generally adopts the installation augmentor to satisfy above requirement, and augmentor generally is installed on the back axle, to obtain bigger driving force.

By above structure as can be seen, reversing gear with reinforcing is that reverse gear, afterburning gearbox are installed in motor position and back axle position on the vehicle respectively, realizes reversing gear of vehicles and afterburning by two gear units, the Transmitted chains growth, power consumption increases, and mechanical efficiency reduces; Reverse gear and afterburning speed changer are installed in two places of vehicle respectively, install and the maintenance operation link increases, and mounting arrangement relatively disperse, and it is bigger to take up room, and install and safeguard that financial cost also increases relatively.

Therefore, need improve, shorten Transmitted chains the existing reinforcing and the structure mount scheme that reverses gear, reduce power consumption, improve mechanical efficiency, reduce installation, maintenance and driving operation link, the mounted configuration compactness, the compact and reasonable that takes up room reduces and installs and safeguard financial cost.

The model utility content

In view of this, the utility model provides that a kind of Motor Vehicle advances, reverse gear and boosting integrated speed variator, can finish the vehicle reinforcing when vehicle driving, reverses gear, gear such as quick; Shorten afterburning and the Transmitted chains that reverses gear, reduce power consumption, improve mechanical efficiency, reduce installation, maintenance and driving operation link, the mounted configuration compactness, the compact and reasonable that takes up room reduces and installs and safeguard financial cost.

Motor Vehicle of the present utility model advances, reverse gear and boosting integrated speed variator, comprise power input shaft, jack shaft, reverse gear shaft and pto, described power input shaft cooperates with jack shaft by transmission device, in fixing mode on the axial slidably circumferencial direction selector is set on the described jack shaft, the axial both sides of selector are provided with the afterburning driving gear that can engage and the driving gear that advances respectively, and described afterburning driving gear is rotatably assorted with advance driving gear and jack shaft; With selector at the circumferencial direction secure fit setting driving gear that reverses gear, the driving gear that reverses gear is by reverse idler gear and driven gear engagement, described reverse idler gear is arranged on the reverse gear shaft;

Be set up in parallel driven gear and afterburning driven gear on the pto, described advance driving gear and driven gear engagement, afterburning driving gear and the engagement of afterburning driven gear; Advance the velocity ratio of driving gear and driven gear less than the velocity ratio of afterburning driving gear and afterburning driven gear.

Further, described selector is an inertia synchronizer, and the clutch collar of described inertia synchronizer is provided with soldered tooth by interior circle and is arranged on the jack shaft in fixing mode on the axial slidably circumferencial direction; The described afterburning driving gear and the driving gear that advances are provided with the joint gear ring respectively, and described clutch collar can engage with the gear ring that engages of the afterburning driving gear and the driving gear that advances respectively by the soldered tooth of interior circle;

Further, the described driving gear that reverses gear is made of the gear teeth that are arranged on inertia synchronizer clutch collar excircle, described reverse idler gear comprises synchromesh gear I and the synchromesh gear II that is set up in parallel on reverse gear shaft, the described synchromesh gear I and the driving gear engagement of reversing gear, synchromesh gear II and driven gear engagement;

Further, described pto comprises two shaft parts that the center is coaxial, and described two shaft parts cooperate by differential mechanism;

Further, the clutch collar excircle of described synchronizer is provided with annular fork slot, and the selector fork that is used to shift gears is arranged in the annular fork slot;

Further, described speed changer is arranged on the back axle of automotive frame;

Further, be the alternating axis transmission between described power input shaft and the jack shaft, described transmission device comprise intermeshing and power input shaft the drive bevel gear of circumferencial direction secure fit and with the driven wheel of differential of jack shaft in the circumferencial direction secure fit.

The beneficial effects of the utility model: Motor Vehicle of the present utility model advances, reverse gear and boosting integrated speed variator, with reinforcing, reverse gear, gear such as quick is integrated in one, can when vehicle driving, finish the vehicle reinforcing, reverse gear, gear such as quick; Shorten afterburning and the Transmitted chains that reverses gear, reduce power consumption, improve mechanical efficiency, reduce installation, maintenance and driving operation link, the mounted configuration compactness, the compact and reasonable that takes up room reduces and makes, installs and safeguard financial cost, this model utility changes the existing layout that reverse gear, assistor, speed changer are put respectively, the rationality of perfect such vehicle speed variation mechanism design and vehicle layout; The utility model is applicable to mini motor vehicles such as motor tricycle, miniature four-wheel agricultural vehicle, can improve the mobility and the power performance of vehicle effectively.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further described.

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is driving gear and the reverse idler gear engagement generalized section of reversing gear;

Fig. 3 be Fig. 1 along A-A to sectional view.

Embodiment

Fig. 1 is a structural representation of the present utility model, Fig. 2 is driving gear and the reverse idler gear engagement generalized section of reversing gear, Fig. 3 be Fig. 1 along A-A to sectional view, as shown in the figure: the Motor Vehicle of present embodiment advances, reverse gear and boosting integrated speed variator, comprise power input shaft 15, jack shaft 3 and pto 5, pto 5 comprises two shaft parts that the center is coaxial, and described two shaft parts cooperate the reasonable disposition rear wheel rotation speed by differential mechanism 7; Described power input shaft 15 cooperates with jack shaft 3 by transmission device, in the present embodiment, be the alternating axis transmission between power input shaft 15 and the jack shaft 3, described transmission device comprise intermeshing and power input shaft 15 the drive bevel gear 1 of circumferencial direction secure fit and with the driven wheel of differential 2 of jack shaft 3 in the circumferencial direction secure fit, the drive mechanism compactness improves transmission efficiency;

In fixing mode on the axial slidably circumferencial direction selector is set on the described jack shaft 3, in the present embodiment, selector is an inertia synchronizer, and the clutch collar 13 of inertia synchronizer is provided with soldered tooth by interior circle and is arranged on the jack shaft 3 in fixing mode on the axial slidably circumferencial direction; The axial both sides of selector are provided with the afterburning driving gear 4 and the driving gear 12 that advances respectively, the described afterburning driving gear 4 and the driving gear 12 that advances are provided with respectively and engage gear ring 4a and engage gear ring 12a, described clutch collar 13 can engage with joint gear ring 12a with the gear ring 4a that engages of the afterburning driving gear 4 and the driving gear 12 that advances respectively by the soldered tooth of interior circle, is respectively afterburning retaining and forward gear during joint; The described afterburning driving gear 4 and the driving gear 12 that advances are rotatably assorted with jack shaft 3; When not working, all be in normal engagement idle running fortune state, gearshift can not produce mesh impact and break cogwheel phenomenon, and can reach brisk, the purpose of fragile driving gear not of gearshift;

Be set up in parallel driven gear 10 and afterburning driven gear 6 on the pto 5, described advance driving gear 12 and driven gear 10 engagements, afterburning driving gear 4 and afterburning driven gear 6 engagements; Advance the velocity ratio of driving gear 12 and driven gear 10 less than the velocity ratio of afterburning driving gear 4 with afterburning driven gear 6, and guaranteeing has enough reinforcings when reinforcing keeps off;

When inertia synchronizer is positioned at the centre gear, in the middle of just clutch collar is positioned at, neither engage with the driving gear 12 that advances, the also intermediateness that does not engage with afterburning driving gear, clutch collar 13 is in the gear that reverses gear, clutch collar 13 with reverse gear driving gear in the circumferencial direction secure fit, in the present embodiment, inertia synchronizer clutch collar 13 excircles are provided with the gear teeth and constitute the driving gear that reverses gear, reverse gear driving gear by reverse idler gear and driven gear engagement 10, described reverse idler gear comprises synchromesh gear I 8 and the synchromesh gear II 9 that is set up in parallel on reverse gear shaft, the described synchromesh gear I 8 and the driving gear engagement of reversing gear, synchromesh gear II 9 and driven gear 10 engagements; Adopt the synchromesh gear structure, layout and the transmission avoiding reversing gear with advancing between the gear are disturbed, the reliability of raising transmission; The structure of the driving gear that reverses gear is directly processed in employing on clutch collar 13 cylindricals, can reduce fabricating cost, and is easy for installation simple, makes assembly structure more compact;

Clutch collar 13 excircles of synchronizer are provided with annular fork slot, and the selector fork 14 that is used to shift gears is arranged in the annular fork slot, utilize selector fork about 14 to stir clutch collar 13, finish gearshift;

Speed changer of the present utility model is arranged on the back axle of automotive frame, is beneficial to the shortening Transmitted chains, improves transmission efficiency, and makes in the arrangement of mechanism compact set, is convenient to maintenance and installation.

The utility model is when operation, and power input shaft 15 inputs to jack shaft 3 by intermeshing drive bevel gear 1 and driven wheel of differential 2 with power, and jack shaft 3 drives inertia synchronizer and can realize respectively: reinforcing keeps off, reverses gear, advances.

Before the switching of finishing the afterburning gear that keeps off, reverses gear, advances, at first to cut off the power of power input shaft 15, produce impact of interference to avoid reversing gear between driving gear and the synchromesh gear I;

Afterburning retaining: selector fork 14 moves to left the clutch collar 13 of synchronizer, and the driving gear that reverses gear breaks away from engagement with synchromesh gear I 8, and clutch collar 13 also engages with afterburning driving gear 4, drives ptos 5 by afterburning driven gear 6 and realizes that reinforcings keep off;

Reverse gear: selector fork 14 makes the clutch collar 13 of synchronizer be positioned at middle apron, the reverse gear driving gear and synchromesh gear I 8 engagements of clutch collar 13 cylindricals, drive synchromesh gear II 9 by reverse gear shaft 11, realize reversing gear by pto 5 outputs by the power that will reverse gear of the driven gear 10 with synchromesh gear II 9 engagements;

Advance: selector fork 14 moves to right the clutch collar 13 of synchronizer, and reverse gear driving gear and synchromesh gear I 8 break away from engagement, and clutch collar 13 engages with the driving gear 12 that advances, and drives pto by driven gear 10 and realizes that vehicle advances.

Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.

Claims

A Motor Vehicle advance, reverse gear and boosting integrated speed variator, it is characterized in that: comprise power input shaft, jack shaft, reverse gear shaft and pto, described power input shaft cooperates with jack shaft by transmission device, in fixing mode on the axial slidably circumferencial direction selector is set on the described jack shaft, the axial both sides of selector are provided with the afterburning driving gear that can engage and the driving gear that advances respectively, and described afterburning driving gear is rotatably assorted with advance driving gear and jack shaft; With selector at the circumferencial direction secure fit setting driving gear that reverses gear, the driving gear that reverses gear is by reverse idler gear and driven gear engagement, described reverse idler gear is arranged on the reverse gear shaft;

Be set up in parallel driven gear and afterburning driven gear on the pto, described advance driving gear and driven gear engagement, afterburning driving gear and the engagement of afterburning driven gear; Advance the velocity ratio of driving gear and driven gear less than the velocity ratio of afterburning driving gear and afterburning driven gear.
2. Motor Vehicle according to claim 1 advances, reverse gear and boosting integrated speed variator, it is characterized in that: described selector is an inertia synchronizer, and the clutch collar of described inertia synchronizer is provided with soldered tooth by interior circle and is arranged on the jack shaft in fixing mode on the axial slidably circumferencial direction; The described afterburning driving gear and the driving gear that advances are provided with the joint gear ring respectively, and described clutch collar can engage with the gear ring that engages of the afterburning driving gear and the driving gear that advances respectively by the soldered tooth of interior circle.
3. Motor Vehicle according to claim 2 advances, reverse gear and boosting integrated speed variator, it is characterized in that: the described driving gear that reverses gear is made of the gear teeth that are arranged on inertia synchronizer clutch collar excircle, described reverse idler gear comprises synchromesh gear I and the synchromesh gear II that is set up in parallel on reverse gear shaft, the described synchromesh gear I and the driving gear engagement of reversing gear, synchromesh gear II and driven gear engagement.
4. Motor Vehicle according to claim 3 advances, reverse gear and boosting integrated speed variator, and it is characterized in that: described pto comprises two shaft parts that the center is coaxial, and described two shaft parts cooperate by differential mechanism.
5. Motor Vehicle according to claim 4 advances, reverse gear and boosting integrated speed variator, and it is characterized in that: the clutch collar excircle of described synchronizer is provided with annular fork slot, and the selector fork that is used to shift gears is arranged in the annular fork slot.
According to the described Motor Vehicle of the arbitrary claim of claim 1 to 5 advance, reverse gear and boosting integrated speed variator, it is characterized in that: described speed changer is arranged on the back axle of automotive frame.
7. Motor Vehicle according to claim 6 advances, reverse gear and boosting integrated speed variator, it is characterized in that: between described power input shaft and the jack shaft for the alternating axis transmission, described transmission device comprise intermeshing and power input shaft the drive bevel gear of circumferencial direction secure fit and with the driven wheel of differential of jack shaft in the circumferencial direction secure fit.