Five-gear manual transmission gear interlocking deviceTechnical field
The present invention relates to a kind of transmission for vehicles gear interlocking device, particularly relate to a kind of five-gear manual transmission gear interlocking device.
Background technique
Generally speaking, the power resources of automobile running in power plant, as the motor of routine, motor etc., according to the requirement of vehicle traction, the rotating speed of motor and moment of torsion are changed by power transmitting deice and are passed on wheel, and this power transmitting deice is commonly called speed changer.The working principle of automotive transmission is the excursion changing Automobile drive power and the speed of a motor vehicle by changing velocity ratio, normally travel under various road conditions condition to meet automobile, along with the continuous progress and development of automotive engineering, speed changer kind also gets more and more, but be roughly generally divided into two classes: a class is more traditional manual transmission, its structure is simple, good fuel economy can be provided, gearshift is manually operated by driver completely, handle sense strong, but shortcoming is shift process medium power interruption, cause loss in efficiency, driver's shift hunting under urban congestion road conditions, fatiguability, travelling comfort is slightly poor.Another kind of is automatic transmission, relative to manual transmission, travelling comfort of driving improves, as DCT(double-clutch automatic gearbox), AMT(automatic speed changer for machine), the gearshift of DCT and AMT inside is similar with manual transmission, also be complete gearshift by multiple lazy-tongs, just manually-operable changed into automatic operation.In above-mentioned speed changer, multiple synchronizer mechanisms is often associated with each other, people wish to provide interlock for these synchronizer mechanisms, engage and transferring power for preventing the gear of two or more gears simultaneously, cause transmission failure and lost efficacy, this is breakneck in running at high speed.At present, in many gear manual transmissions, when entering a certain gear, in order to ensure that other gears are neutral, U-shaped interlock board is normally adopted to be pinned by declutch shift shaft, to realize the interlocking between gear, this kind of structure is simple, be easy to realize, by most product is adopted, but the distance between this kind of structural requirement declutch shift shaft can not be too large, larger restriction is designed with for multispeed manual transmission space layout, be unfavorable for the layout of speed changer, and when relative distance between declutch shift shaft is larger, the interlocking between gear is just difficult to realize.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of five-gear manual transmission gear interlocking device, it can realize gear interlocking when relative distance is larger between declutch shift shaft, speed changer space layout is designed more flexible.
For achieving the above object, five-gear manual transmission gear interlocking device of the present invention, comprise three of being arranged on mission case to be arranged in parallel and the declutch shift shaft that can move axially, three described declutch shift shafts are arranged in space triangularity, also comprise three along the stacked setting of declutch shift shaft axial direction, the interlocking driving lever rotated relative to mission case can be distinguished, each interlocking driving lever is positioned at line of centres the same side of adjacent two declutch shift shafts and at each declutch shift shaft without when moving axially, has the embedding of surplus to be arranged in the groove of these adjacent two declutch shift shafts; When three declutch shift shaft one move axially and make two interlocking driving levers in its groove of the embedding of surplus skid off groove and have relative to the rotating of mission case, the surplus that these two interlocking driving levers embed in another two declutch shift shaft grooves reduces.
As the restriction to aforesaid way, at each declutch shift shaft without when moving axially, the surplus that each interlocking driving lever embeds in the groove of declutch shift shaft is be not less than groove depth 1/2.
As limitation of the invention, three described declutch shift shafts become equilateral triangle to arrange in space.
As limitation of the invention, each interlocking driving lever rotates the plane at place and the axes normal of declutch shift shaft relative to mission case.
As the restriction to aforesaid way, mission case is fixed with the rotating shaft parallel with declutch shift shaft, described each interlocking driving lever is arranged in rotating shaft without the rotation of phase mutual friction.
As the another kind of structure qualification to aforesaid way, mission case is fixed with three spaced, parallel with declutch shift shaft rotating shafts, what described each interlocking driving lever rotated splits in three rotating shafts.
Adopt technological scheme of the present invention, owing to adopting three interlocking driving levers, the interlocking of gear is realized to three declutch shift shafts, interlocking driving lever by greater depth meets the declutch shift shaft structure of larger distance, realizing while transmission gear interdigit reliably interlocks, the design of speed changer space layout being become and being more prone to.
Accompanying drawing explanation
Do further to describe in detail to the present invention below in conjunction with the drawings and the specific embodiments:
Fig. 1 is the perspective view of the embodiment of the present invention;
Fig. 2 is Fig. 1 at declutch shift shaft without the plan view under moving axially;
Fig. 3 be Fig. 2 wherein a declutch shift shaft move axially under schematic diagram.
In figure:
1, mission case; 21, five gear reverse declutch shift shafts; 22, three or four gear declutch shift shafts; 23, one or two gear declutch shift shafts; 31, the first interlocking driving lever; 32, the second interlocking driving lever; 33, the 3rd interlocking driving lever; 41, the first rotating shaft; 42, the second rotating shaft; 43, the 3rd rotating shaft; 5, groove.
Embodiment
A kind of five-gear manual transmission gear interlocking device that the present embodiment relates to, shown in Fig. 1, Fig. 2, it comprises three declutch shift shafts be arranged in parallel be arranged on mission case 1, wherein, the schematic construction of mission case 1 is shown in Fig. 1, has mainly been convenient to show other components and its connection and position relationship; And based on the declutch shift shaft of three in five-gear manual transmission, in the present embodiment, it all adopts the setting in existing speed changer, namely three declutch shift shafts are respectively five gear reverse declutch shift shafts 21,34 and keep off declutch shift shaft 22 and 1 gear declutch shift shaft 23, each declutch shift shaft is arranged on mission case 1 by Placement connection of the prior art, and can relatively move axially by mission case 1, three declutch shift shafts are arranged in space triangularity.
Mission case 1 is provided with the interlocking driving lever that three diameters are identical, and first interlocks driving lever 31, second interlocking driving lever 32 and the 3rd interlocking driving lever 33, each interlocking driving lever is along the stacked setting of axial direction of each declutch shift shaft, and each interlocking driving lever is when rotating relative to mission case, unobstructed friction each other.Arrange for realizing the rotation of each interlocking driving lever in mission case 1, as in the present embodiment, mission case 1 is fixed with three spaced, parallel with declutch shift shaft rotating shafts, each rotating shaft is a corresponding interlocking driving lever respectively, be rotationally connected as the first rotating shaft 41 and first interlocks driving lever 31, second rotating shaft 42 and second interlocks driving lever 32 and is rotationally connected, and the 3rd rotating shaft 43 and the 3rd interlocks driving lever 33 and is rotationally connected.In addition, what also can adopt other is rotationally connected form, and as three interlocking driving levers share a rotating shaft, each interlocking driving lever has the independence rotation etc. of phase countershaft.
Description based on said structure can be found out, three interlocking driving levers 31,32,33 have different height on the axial direction of declutch shift shaft, and by shown in Fig. 1, Fig. 2, each interlocking driving lever is positioned at line of centres the same side of adjacent two declutch shift shafts, as in the present embodiment, first interlocking driving lever 31 is positioned at five gear reverse declutch shift shafts 21 and 1 and keeps off inside the line of centres of declutch shift shaft 23, and keep off on declutch shift shaft 23 in five gear reverse declutch shift shafts 21 and 1 of the first interlocking driving lever 31 height, be respectively equipped with the groove 5 embedded for the first interlocking driving lever 31; In like manner, second interlocking driving lever 32 is positioned at the inner side of the line of centres of three or four gear declutch shift shafts 22 and five gear reverse declutch shift shafts 21, and the second interlocking driving lever 32 interlocks driving lever 31 in the axial height of declutch shift shaft lower than first, on three or the four gear declutch shift shafts 22 and five gear reverse declutch shift shafts 21 of the second interlocking driving lever 32 height, be respectively equipped with the groove 5 embedded for the second interlocking driving lever 32; 3rd interlocking driving lever 33 is positioned at the inner side that three or four gear declutch shift shafts 22 and 1 keep off the line of centres of declutch shift shaft 23, and the 3rd interlocking driving lever 33 interlocks driving lever 32 in the axial height of declutch shift shaft lower than second, three or the four gear declutch shift shafts 22 and 1 in the 3rd interlocking driving lever 32 height keep off on declutch shift shaft 23, are respectively equipped with the groove 5 embedded for the 3rd interlocking driving lever 33; This shows each declutch shift shaft is equipped with two highly different grooves 5, and in the present embodiment, all grooves 5 to have identical groove depth.
In use, as shown in Figure 2, each declutch shift shaft is without when moving axially, speed changer is in neutral position state, each interlocking driving lever has the embedding of surplus to be arranged in the groove of these adjacent two declutch shift shafts, as first interlocking driving lever 31 embed one or two gear declutch shift shafts 23 and five gear reverse declutch shift shafts 21 on groove 5 time, the bottom land of groove 5 and first interlocks between driving lever 31 certain surplus, this surplus is be not less than groove depth 1/2, is in the half of groove 5 groove depth or is less than the position of half when namely the first interlocking driving lever 31 embeds groove 5.For simply illustrating the groove depth of groove 5, the circular dashed line in Fig. 2 in declutch shift shaft and the distance between declutch shift shaft cylindrical are the groove depth illustrated.
When three declutch shift shaft one move axially and make two interlocking driving levers in its groove of the embedding of surplus skid off groove and have relative to the rotating of mission case, the surplus that these two interlocking driving levers embed in another two declutch shift shaft grooves reduces, for five gear reverse declutch shift shafts 21, carry out five gears or reverse gear choose time, five gear reverse declutch shift shafts 21 relatively mission case 1 move axially up or down, embed the first interlocking driving lever 31 in its groove 5, second interlocking driving lever 32 skids off by groove 5, cause the first interlocking driving lever 31 with the first rotating shaft 41 for axle rotates clockwise by shown in Fig. 2, and second interlocks driving lever 32 with the second rotating shaft 42 for axle rotates counterclockwise by shown in Fig. 2, when the first interlocking driving lever 31, when second interlocking driving lever 32 skids off groove 5 completely and contacts with the cylindrical outer surface of five gear reverse declutch shift shafts 21, this state as shown in Figure 3, now, the other end of the first interlocking driving lever 31 embeds in the groove of one or two gear declutch shift shafts 23 further, the surplus that first interlocking driving lever 31 is embedded in the groove 5 of one or two gear declutch shift shafts 23 reduces, in the present embodiment, in the case, the surplus that first interlocking driving lever 31 embeds in the groove 5 of one or two gear declutch shift shafts 23 is zero, in like manner, the other end of the second interlocking driving lever 32 embeds in the groove 5 of three or four gear declutch shift shafts 22 further, the surplus that second interlocking driving lever 32 is embedded in the groove 5 of three or four gear declutch shift shafts 22 reduces, in the present embodiment, surplus is now zero, so namely, achieve five gear or reverse gear choose time, to the interlocking of other gears.
In addition, what deserves to be explained is, the each interlocking driving lever described except above-described embodiment is positioned at except the inner side of the line of centres of adjacent two declutch shift shafts, each interlocking driving lever also can be positioned at the outside of the line of centres of adjacent two declutch shift shafts, as long as guarantee at each declutch shift shaft without when moving axially, each interlocking driving lever has the embedding of surplus to be arranged in the groove of these adjacent two declutch shift shafts, and when three declutch shift shaft one move axially and make two interlocking driving levers in its groove of the embedding of surplus skid off groove and have relative to the rotating of mission case, the surplus that these two interlocking driving levers embed in another two declutch shift shaft grooves reduces, all belong to protection scope of the present invention.