CN208804186U - Hand gear box assembly and automobile - Google Patents
Hand gear box assembly and automobile Download PDFInfo
- Publication number
- CN208804186U CN208804186U CN201820743154.3U CN201820743154U CN208804186U CN 208804186 U CN208804186 U CN 208804186U CN 201820743154 U CN201820743154 U CN 201820743154U CN 208804186 U CN208804186 U CN 208804186U
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- gear
- box assembly
- shift
- gear box
- shift fork
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Abstract
The utility model discloses a kind of hand gear box assembly and automobiles.Hand gear box assembly includes housing system, power-operated control system, differential system, shifting system and tooth shaft system, wherein, the housing system includes procapsid, back casing and rear cover, and the procapsid is fixedly connected with the back casing, and the rear cover is fixedly connected on the back casing；The power-operated control system, the differential system, the shifting system and the tooth shaft system are arranged in the procapsid and the back casing is formed by space interior.Hand gear box assembly according to the present utility model promotes gearbox overall stiffness, simplifies the structure of gearbox, mitigates the weight of speed changer.
Description
Technical field
The utility model relates to automotive fields, in particular to a kind of hand gear box assembly and with such
The automobile of hand gear box assembly.
Background technique
Manual transmission mainly includes the parts such as variable transmission mechanism, gear shift mechanism, synchronizer mechanisms, housing system group
At.The performance superiority and inferiority of any a part all can have tremendous influence to the performance of entire hand gear box assembly.For example, traditional
The variable transmission mechanism rear bearing of manual transmission is arranged in the tip of the axis, and then the bearing capacity of axis is caused to become smaller, entire to be
System Stiffness, deforms larger；In terms of gear shift mechanism, traditional manual transmission uses more shift fork axle forms, shift fork
It is connected in shift fork axle, and corresponding self-locking and interlocking member is arranged on gear box casing, and then realizes the shift of gearbox
Operation, but corresponding construction is complicated, weight is big；On transmission housing system, conventional gearbox uses two-piece type structure, will increase
Housing system uses material, weight.
Therefore, it is necessary to develop a kind of new hand gear box assembly, overcomes the deficiencies of existing technologies, improve gearbox
Performance.
Utility model content
The utility model proposes a kind of hand gear box assemblies, are able to ascend gearbox overall stiffness, simplify gearbox
Structure, mitigate the weight of speed changer.
The hand gear box assembly proposed on one side according to the utility model comprising housing system, powered system
System, differential system, shifting system and tooth shaft system, wherein the housing system includes procapsid, back casing and rear cover,
The procapsid is fixedly connected with the back casing, and the rear cover is fixedly connected on the back casing；The powered system
System, the differential system, the shifting system and the tooth shaft system are arranged in the procapsid and back casing institute
The space interior of formation.
According to the hand gear box assembly that one embodiment of the utility model proposes, in the tooth shaft system, output
The fore bearing of axis is located at the front end of the output shaft, and the rear bearing of output shaft is between fourth gear and five shelves gears.
According to the hand gear box assembly that one embodiment of the utility model proposes, in the tooth shaft system, one grade
Gear, intermediate gear and one or two grades of synchronizers are arranged on output shaft, third gear, fourth gear, three fourth gear synchronizers, five grades
Gear and Five-gear synchronizer are arranged on input shaft, wherein the left side of Five-gear synchronizer is arranged in three fourth gear synchronizers.
It is intermediate in the tooth shaft system according to the hand gear box assembly that one embodiment of the utility model proposes
Axis is arranged in below input shaft and output shaft, is disposed with idle pulley on the jackshaft.
The hand gear box assembly proposed according to one embodiment of the utility model comprising Five-gear synchronizer unidirectionally limits
Position mechanism, the unidirectional position-limit mechanism of Five-gear synchronizer includes splined hub, sliding block and the baffle ring being arranged on the right side of five shelves gears, and three
A sliding block is along the circumferential direction mounted in the groove of the splined hub, is equipped with baffle ring, the baffle ring energy in the right end of the groove
The sliding block is enough prevented to move right.
According to the hand gear box assembly that one embodiment of the utility model proposes, the Five-gear synchronizer is unidirectionally limited
Mechanism includes the lock ring being sleeved on inside the splined hub, the lock ring can and the combination gear ring of five shelves gear engage,
Realize five notch speeds than transmission.
According to the hand gear box assembly that one embodiment of the utility model proposes, the shifting system includes shift fork
Component, the pull-fork assembly include one or two grades of shift forks, shift fork axle, First Five-Year Plan shelves shift fork, two or five grades of shift forks and three fourth gear shift forks,
In, one or two grades of shift forks and three fourth gear shift forks can be movably sleeved in shift fork axle, First Five-Year Plan shelves shift fork and two or five grades of shift forks
It is fixedly sleeved in shift fork axle, back fork can be movably sleeved in shift fork axle.
According to the hand gear box assembly that one embodiment of the utility model proposes, the pull-fork assembly includes reversing gear to shake
Arm and reset spring, the rocker arm that reverses gear are mounted on the back fork by taper pin, and the rocker arm that reverses gear can be around described
Taper pin rotation, described reset spring one end, which is fixed on, reverses gear on rocker arm and the other end is fixed on housing system.
According to the hand gear box assembly that one embodiment of the utility model proposes, the shifting system includes gear selecting
Rocker arm assembly, the shift selecting rocking arm component include pin, spring catch, limit plate, curved slab, king's word frid and position blocking pin, wherein
The pin is located on First Five-Year Plan shelves shift fork, and the curved slab is located above the pin, and the spring catch is matched with the limit plate
Conjunction enables the spring catch to be stuck in the groove of the limit plate, and the position blocking pin cooperates with king's word frid so that described
Position blocking pin can move on king's word slot in king's word frid.
In addition, the utility model proposes a kind of automobiles with such hand gear box assembly.Since the automobile has
Hand gear box assembly according to the present utility model, therefore can have the advantages that as described above.
Detailed description of the invention
It is explained with reference to the disclosure of the utility model.It is to be appreciated that attached drawing is merely illustrative purpose, and simultaneously
It is not intended to be construed as limiting the protection scope of the utility model.In the accompanying drawings, identical appended drawing reference is for referring to identical portion
Part.Wherein:
Fig. 1 schematically illustrates the structure of the hand gear box assembly according to one embodiment of the utility model；
Fig. 2 schematically illustrates the structure of the hand gear box assembly in Fig. 1, wherein housing system is omitted；
Fig. 3 schematically illustrates the structure of tooth shaft system；
Fig. 4 schematically illustrates the structure of the unidirectional position-limit mechanism of Five-gear synchronizer；
Fig. 5 schematically illustrates the structure of the pull-fork assembly of shifting system；
Fig. 6 schematically illustrates the positive side of the shift selecting rocking arm component of shifting system；
Fig. 7 schematically illustrates the rear side of the shift selecting rocking arm component of shifting system.
List of numerals
1, procapsid, 2, back casing, 3, rear cover, 4, power-operated control system, 5, differential system, 6, shifting system, 7,
Tooth shaft system, 8, fore bearing, 9,1 grades of synchronizers, 10, rear bearing, 11, Five-gear synchronizer, 12, three fourth gear synchronizers, 13,
Jackshaft, 14, idle pulley, 15, splined hub, 16, sliding block, 17, lock ring, 18, five shelves gears, 19,1 grades of shift forks, 20, shift fork axle,
21, pin, 22, First Five-Year Plan shelves shift fork axle, 23,25 grades of shift fork axles, 24, three shift fork shaft No 4s, 25, reverse gear rocker arm, 26, reset bullet
Spring, 27, spring catch, 28, limit plate, 29, curved slab, 30, king's word frid, 31, position blocking pin.
After having read specific embodiment of the present utility model referring to attached drawing, those skilled in the art will be will become more apparent that
Ground understands the various aspects of the utility model.Skilled person would appreciate that: these attached drawings are used only for cooperation tool
Body embodiment illustrates the technical solution of the utility model, and is not intended to and is construed as limiting to the protection scope of the utility model.
Specific embodiment
It mentions in the present specification or up, down, left, right, before and after, front, the back side, top, the bottom that may mention etc.
Positional terms are defined relative to each construction shown in the drawings, they are opposite concepts, and it is therefore possible to can root
Correspondingly changed according to different location locating for it, different use states.So also should not be by these or others side
Position term is construed to restricted term.
As depicted in figs. 1 and 2, hand gear box assembly includes housing system (procapsid 1, back casing 2, rear cover 3), power
Steerable system 4, differential system 5, shifting system 6 and tooth shaft system 7.Procapsid 1 and back casing 2 are consolidated by bolt
Even, rear cover 3 is connected on back casing 1 by bolt.The power-operated control system 4, differential system 5,6 and of shifting system
Tooth shaft system 7 is arranged in procapsid 1 and back casing 2 is formed by space interior.Wherein power-operated control system 4 and shifting system
6 control mechanism is then arranged in be formed by outside space in procapsid 1 and back casing 2, convenient for control.
Transmission assembly realizes the interruption of engine to gearbox dynamic by power-operated control system 4；Tooth shaft system 7 changes
Transmission ratio expands the variation range of driving wheel torque and revolving speed, to adapt to the driving conditions often changed, while engine being made to exist
It is advantageous, i.e. power is higher and work under the lower operating condition of oil consumption；The shifting system 6 selects specific transmission ratio, real
The existing gearbox revolving speed to be exported；In the power transmission to different wheel that the differential system 5 exports gearbox, and can
Adjust the rotational speed difference between wheel；Housing system uses 3 three parts structure of procapsid 1, back casing 2 and rear cover, and 3 material of rear cover is modeling
Material, this structure design can be reduced with material, promotion gearbox overall stiffness.
As shown in figure 3, the tooth shaft system 7 of hand gear box assembly includes fore bearing 8,1 grades of synchronizers 9, rear bearing
10, Five-gear synchronizer 11, three fourth gear synchronizers 12, jackshaft 13 and idle pulley 14.Before the fore bearing 8 of output shaft is located at output shaft
End, and the rear bearing 10 of output shaft is between gearbox fourth gear and five grades.One or two grades of synchronizers 9 and an intermediate gear
It is arranged on output shaft, three fourth gear synchronizers 12, Five-gear synchronizer 11 and respective gears are arranged on input shaft, and three fourth gear are synchronous
Device 12 is in the left side of Five-gear synchronizer 11.The jackshaft 13 is arranged in below input shaft and output shaft, cloth on jackshaft 13
It is equipped with idle pulley 14.
The rear bearing 10 of tooth shaft system 7 is arranged between the gear of gearbox four and five grades, can increase input shaft and output shaft
Bearing capacity, reduce system variant；One or two grades of synchronizers 9 and respective gears are arranged in output shaft, and three fourth gear are synchronous
Device 12, Five-gear synchronizer 11 and respective gears are arranged on input shaft, the design of such structure can reduce gear-box axle to
The deformation and vibration when reducing gearbox high-speed cruising are maximized while size；The jackshaft 13 and idle pulley 14 can be real
Existing gearbox output revolving speed reverses, to realize reversing automobile function.
As shown in figure 4, the unidirectional position-limit mechanism of Five-gear synchronizer includes being arranged in splined hub 15 on the right side of five shelves gears, sliding block
16 and five shelves gears 18.It the sliding block 16 totally three, is along the circumferential direction mounted in splined hub 15；Splined hub 15 installs sliding block
Right side one end offers baffle ring on 16 groove, and sliding block 16 can be prevented to move to the right, and sliding block 16 can only be moved toward left direction
It is dynamic.
The unidirectional position-limit mechanism of Five-gear synchronizer can also include being sleeved on lock ring 17 inside the splined hub 15, and five
Shelves gear 18 is arranged in the left side of lock ring 17.It pushes lock ring 17 to engage with the engagement gear ring in five shelves gears 18, realizes five notch speeds
Than transmission.The design of this structure realizes that Five-gear synchronizer unidirectionally limits.
As shown in figure 5, the pull-fork assembly of shifting system 6 includes one or two grades of shift forks 19, shift fork axle 20, First Five-Year Plan shelves shift fork
22, two or five grades of shift forks 23 and three fourth gear shift forks 24.One or two grades of shift forks 19, First Five-Year Plan 22,25 grades of 23 and of shift fork of shelves shift fork
Three fourth gear shift forks 24 are sleeved in shift fork axle 20.Wherein, one or two when shift fork 19 and three fourth gear shift forks 24 can be in shift fork axle 20
It moves left and right, First Five-Year Plan shelves shift fork 22 and two or five grade shift fork 23 is then connected in shift fork axle 20.The back fork is equally set with
In shift fork axle 20, and it can move left and right.A left side of one or the two grades of shift forks 19 and three fourth gear shift forks 24 in shift fork axle 20
Move right the gear shift operation for realizing one or two grades and three fourth gear；The First Five-Year Plan shelves shift fork axle 22 is mobile to drive shift fork axle 20 mobile,
To drive two or five grades of shift forks 23 mobile, five grades of gear shift operation is realized.
The pull-fork assembly of shifting system 6 can also include reverse gear rocker arm 25 and reset spring 26.The rocker arm that reverses gear
25 are mounted on back fork by taper pin, and the rocker arm 25 that reverses gear can be rotated around taper pin.26 one end of reset spring peace
Mounted in the rocker arm 25 that reverses gear, the other end is fixed on housing system.The rocker arm 25 that reverses gear is by back fork in shift fork axle 20
On movement, drive movement of the idle pulley 14 on jackshaft 13, realization is reversed gear operation；Its deformation force of the reset spring 26
Self-lock force is applied to idle pulley 14.
As shown in Figure 6 and Figure 7, the shift selecting rocking arm component of shifting system 6 include pin 21, spring catch 27, limit plate 28,
Curved slab 29, king's word frid 30 and position blocking pin 31.The pin 21 is located at 22 on First Five-Year Plan shelves shift fork, and is right above pin 21
Curved slab 29.The spring catch 27 and limit plate 28 cooperates, and spring catch 27 can be stuck in the groove of limit plate 28.The card
Position pin 31 and king's word frid 30 cooperate, and position blocking pin 31 can move on king's word slot in king's word frid 31.
The shifting system 6 moves down selection when reversing gear, and the curved surface on curved slab 29 is contacted with pin 21, drive rocking bar into
Row rotation, realizes that five grades of gears become disengaged position from engagement state, causes input shaft rotating speed sharply to decline, connect for reverse range
Conjunction is prepared；The spring catch 27 can be stuck on the groove of limit plate 28, can be realized self-locking, the guarantor of each gear when shift
It demonstrate,proves not out of supply；The position blocking pin 31 moves in king's word slot in king's word frid 30, can guarantee the interlocking between each gear,
It will not interfere；Furthermore to the size design of king's word slot, can guarantee after hanging up any gear, the tooth set on synchronizer will not
It is pressed on the side of each shifting gear, but there are certain gaps, and the vibration of gear is avoided to pass to synchronizer, shift fork and choosing
Shifting system 6, to realize Vibration Absorbing System Design.
Manual transmission according to the present utility model is designed using three-chip type band rear cover, and reduction promotes rigidity with material.Tooth shaft
Rear bearing increases bearing capacity, Reducing distortion between four or five grades in system.Shifting system can be realized self-locking, interlocking
Function, and Vibration Absorbing System Design is used, avoid vibration from being transmitted to the components such as shift selecting rocking arm；Using half synchronization mechanism that reverses gear, changes and reverse gear more
Smoothly；Design in shift fork axle is connected on using shift fork, solution shifting system parts are more, weight is big, case of transmission is set
Meter shaft to it is big with radial dimension the problems such as, realize lightweight and the compact designed of transmission assembly.
The utility model further includes a kind of automobile, the manual transmission with any one or more embodiment above-mentioned
Assembly, therefore the technical characteristic having and the technical effect having correspond to the description of front, therefore details are not described herein.
Above, specific embodiment of the present utility model is described with reference to the accompanying drawings.But the ordinary skill in this field
Personnel, can also be to the specific of the utility model it is understood that without departing from the spirit and scope of the utility model
Embodiment makees various changes and replacement.These changes and replacement all fall in the utility model claims book limited range
It is interior.
Claims (10)
1. a kind of hand gear box assembly, which is characterized in that it includes housing system, power-operated control system, differential system, choosing
Shifting system and tooth shaft system, wherein the housing system includes procapsid, back casing and rear cover, the procapsid and described
Back casing is fixedly connected, and the rear cover is fixedly connected on the back casing；The power-operated control system, the differential mechanism system
System, the shifting system and tooth shaft system is arranged in the procapsid and the back casing is formed by space interior.
2. hand gear box assembly according to claim 1, which is characterized in that in the tooth shaft system, output shaft
Fore bearing is located at the front end of the output shaft, and the rear bearing of output shaft is between fourth gear and five shelves gears.
3. hand gear box assembly according to claim 1, which is characterized in that in the tooth shaft system, a shelves gear,
Intermediate gear and one or two grades of synchronizers are arranged on output shaft, third gear, fourth gear, three fourth gear synchronizers, five shelves gears
It is arranged on input shaft with Five-gear synchronizer, wherein the left side of Five-gear synchronizer is arranged in three fourth gear synchronizers.
4. hand gear box assembly according to claim 1, which is characterized in that in the tooth shaft system, jackshaft cloth
It sets below input shaft and output shaft, is disposed with idle pulley on the jackshaft.
5. hand gear box assembly according to claim 1, which is characterized in that it includes the unidirectional position restrainer of Five-gear synchronizer
Structure, the unidirectional position-limit mechanism of Five-gear synchronizer include splined hub, sliding block and the baffle ring being arranged on the right side of five shelves gears, three cunnings
Block is along the circumferential direction mounted in the groove of the splined hub, is equipped with baffle ring in the right end of the groove, the baffle ring can hinder
Only the sliding block moves right.
6. hand gear box assembly according to claim 5, which is characterized in that the unidirectional position-limit mechanism of Five-gear synchronizer
Including the lock ring being sleeved on inside the splined hub, the lock ring can and the combination gear ring of five shelves gear engage, realize
Five notch speeds are than transmission.
7. hand gear box assembly according to claim 1, which is characterized in that the shifting system includes shift fork group
Part, the pull-fork assembly include one or two grades of shift forks, shift fork axle, First Five-Year Plan shelves shift fork, two or five grades of shift forks and three fourth gear shift forks, wherein
One or two grades of shift forks and three fourth gear shift forks can be movably sleeved in shift fork axle, and First Five-Year Plan shelves shift fork and two or five grades of shift forks are fixed
Ground is sleeved in shift fork axle, and back fork can be movably sleeved in shift fork axle.
8. hand gear box assembly according to claim 7, which is characterized in that the pull-fork assembly include reverse gear rocker arm and
Reset spring, the rocker arm that reverses gear are mounted on the back fork by taper pin, and the rocker arm that reverses gear can be around the taper pin
Rotation, described reset spring one end, which is fixed on, reverses gear on rocker arm and the other end is fixed on housing system.
9. hand gear box assembly according to claim 1, which is characterized in that the shifting system includes shift selecting rocking arm
Component, the shift selecting rocking arm component include pin, spring catch, limit plate, curved slab, king's word frid and position blocking pin, wherein described
Pin is located on First Five-Year Plan shelves shift fork, and the curved slab is located above the pin, and the spring catch makes with limit plate cooperation
Obtaining the spring catch can be stuck in the groove of the limit plate, and the position blocking pin and king's word frid cooperate so that the detent
Pin can move on king's word slot in king's word frid.
10. a kind of automobile, which is characterized in that it includes manual transmission described in good grounds any one of claims 1 to 9 is total
At.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743154.3U CN208804186U (en) | 2018-05-18 | 2018-05-18 | Hand gear box assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820743154.3U CN208804186U (en) | 2018-05-18 | 2018-05-18 | Hand gear box assembly and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208804186U true CN208804186U (en) | 2019-04-30 |
Family
ID=66224828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820743154.3U Active CN208804186U (en) | 2018-05-18 | 2018-05-18 | Hand gear box assembly and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208804186U (en) |
-
2018
- 2018-05-18 CN CN201820743154.3U patent/CN208804186U/en active Active
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