CN202451719U - Mini-truck gearbox light, convenient and flexible to shift gear - Google Patents
Mini-truck gearbox light, convenient and flexible to shift gear Download PDFInfo
- Publication number
- CN202451719U CN202451719U CN2012200802348U CN201220080234U CN202451719U CN 202451719 U CN202451719 U CN 202451719U CN 2012200802348 U CN2012200802348 U CN 2012200802348U CN 201220080234 U CN201220080234 U CN 201220080234U CN 202451719 U CN202451719 U CN 202451719U
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- CN
- China
- Prior art keywords
- gear
- retaining
- shaft
- fork
- gearshift
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Gear-Shifting Mechanisms (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a mini-truck gearbox light, convenient and flexible to shift gear, and belongs to the field of transmissions. The mini-truck gearbox structurally includes a front housing and a rear housing, wherein a first shaft, a second shaft and an intermediate shaft are installed in a housing formed by the front housing and the rear housing; a first/second gear fork shaft, a third/fourth gear fork shaft, a fifth reverse gear fork shaft and a gear selecting and shifting mechanism assembly are arranged above the second shaft; the intermediate shaft is arranged below the second shaft; a first/second gear shift fork and a first/second gear poking block are mounted on the first/second gear fork shaft; a third/fourth gear shift fork is mounted on the third/fourth gear fork shaft; a fifth reverse gear shift fork and a fifth reverse gear poking block are mounted on the fifth reverse gear fork shaft; the gear selecting and shifting mechanism assembly is mounted at the top pf the rear housing through a gear selecting and shifting bracket fitting, a stop screw I and a stop screw II; and a gear selecting arm fitting, a gear shifting arm fitting, a gear selecting guiding sleeve, a cover plate and a dust cover are mounted at the side end of the gear selecting and shifting mechanism assembly. The mini-truck gearbox provided by the utility model has the characteristics of reliability in steering, strong carrying capacity, wide adaptability as well as the realization of being light, convenient and flexible to shift gear, and guarantees comfort and reliability in steering.
Description
Technical field
The utility model relates to the speed changer field, specifically a kind of gearshift light and flexible min-truck gearbox.
Background technique
The light vehicle transmission of existing domestic production, centre distance is 85 mm, maximum input torque is 200N.m; Centre distance is 78 mm, and maximum input torque is 180 N.m, and the gearshift structure is the single fork axle gearshift; The retaining difficulty is plucked in gearshift; Thereby shortened the working life of speed changer, influenced comfort property and unfailing performance that speed changer is handled, reduced the Economy and the adaptability of car load.And gearshift is heavy, and underaction has increased operating difficulty greatly.
Summary of the invention
The technical assignment of the utility model is to above deficiency, provide a kind of handle reliable, bearing capacity is big, conformability is wide, a kind of gearshift light and flexible min-truck gearbox of the light and flexible of shifting gears.
The utility model solves the technological scheme that its technical problem adopted: this automotive transmission comprises front case and rear case; In the housing that front case and rear case constitute one, two and jack shaft are installed; Two top is provided with one or two retaining fork shafts, three or four retaining fork shafts, five reverse gear fork shaft and gear shift mechanism assemblies; Two below is provided with jack shaft, and one or two retaining shift forks and one or two retaining shifting blocks are installed on one or the two retaining fork shafts; Three or four retaining shift forks are installed on three or the four retaining fork shafts; Five reverse gear is equipped with five back forks and five shifting block that reverses gear on the fork shaft; The gear shift mechanism assembly is installed in the top of rear case through selecting gearshift support component, stop screw one and stop screw two, and the side of gear shift mechanism assembly is equipped with block selecting arm component, gear arm component, block selecting guide pin bushing, cover plate and dust-proof cover.
Be equipped with from left to right on described two three or four retaining synchronizer assemblies, three retaining gears, second gear, one or two retaining double-cone synchronizer assemblies, first gear, five retaining gears, five reverse gear the synchronizer assembly and with the reverse gear of the idle pulley engagement of reversing gear; Commonly engaged gear, three retaining gear-jack shafts and five retaining gear-jack shafts are housed on the jack shaft of two belows from left to right.
Described gear shift mechanism assembly comprises guide shaft, interlock board, gearshift shifting block and the lock that reverses gear, and the middle part of guide shaft is equipped with interlock board and reverses gear lock, and split washer, block selecting pad and one or two retaining return springs are installed on the left side guide shaft of interlock board; On the guide shaft in the interlock board gearshift shifting block is installed; Interlock board and reverse gear the lock between guide shaft on elastic cylindrical pin two, torsion spring seat and torsion spring are installed; Reverse gear and elastic cylindrical pin one and five return spring that reverses gear is installed on the guide shaft on lock right side.
A kind of gearshift light and flexible min-truck gearbox of the utility model is compared with existing technology; Have reasonable in design, long service life, characteristics such as manipulation is reliable, bearing capacity is big, conformability is wide, gearshift light and flexible, guaranteed travelling comfort and reliability that speed changer is handled.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Accompanying drawing 1 is a kind of structural representation of the light and flexible min-truck gearbox of shifting gears.
Accompanying drawing 2 is the side view of accompanying drawing 1.
Accompanying drawing 3 be in the accompanying drawing 1 B to structural representation.
Accompanying drawing 4 be in the accompanying drawing 2 D to structural representation.
Accompanying drawing 5 is a gear shift mechanism assembly structure schematic representation.
Among the figure: 1, one, 2, front case, 3,34 retaining shift forks, 4,1 retaining shift forks, 5, rear case, 6, five back forks; 7, reverse gear, 8, five retaining gears, 9, two, 10, jack shaft, 11, five retaining gear-jack shafts, 12, the five synchronizer assemblies that reverse gear; 13, the idle pulley that reverses gear, 14, first gear, 15,1 retaining double-cone synchronizer assemblies, 16, second gear, 17, three retaining gear-jack shafts, 18, three retaining gears; 19, three or four retaining synchronizer assemblies, 20, commonly engaged gear, 21, block selecting arm component, 22, choosing gearshift support component, 23, the gear arm component, 24, the block selecting guide pin bushing; 25, dust-proof cover, 26, cover plate, 27,1 retaining fork shafts, 28,1 retaining shifting blocks, 29,34 retaining fork shafts; 30, stop screw one, 31, stop screw two, 32, five fork shaft that reverses gear, 33, the gear shift mechanism assembly, 34, five shifting blocks that reverse gear;
33-1, split washer, 33-2, block selecting pad, 33-3, one or two retaining return springs; 33-4, interlock board, 33-5, gearshift shifting block, 33-6, torsion spring seat; 33-7, torsion spring, 33-8, the lock that reverses gear, 33-9, five return spring that reverses gear; 33-10, guide shaft, 33-11, elastic cylindrical pin one, 33-12, elastic cylindrical pin two.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described further.
A kind of gearshift light and flexible min-truck gearbox of the utility model; Its structure comprises front case 2 and rear case 5; Be equipped with in the housing that front case 2 and rear case 5 constitute be equipped with from left to right on 10, two 9 of one 1, two 9 and the jack shafts three or four retaining synchronizer assemblies 19, three retaining gears 18, second gear 16,1 retaining double-cone synchronizer assemblies 15, first gear 14, five retaining gears 8, five reverse gear synchronizer assembly 12 and with the reverse gear 7 of idle pulley 13 engagements of reversing gear; Two 9 top is provided with one or two retaining fork shafts 27,34 retaining fork shafts 29, five reverse gear fork shaft 32 and gear shift mechanism assembly 33; Two 9 below is provided with jack shaft 10, and commonly engaged gear 20, three retaining gear-jack shafts 17 and five retaining gear-jack shafts 11 are housed on the jack shaft 10 from left to right; One or two retaining shift forks 4 and one or two retaining shifting blocks 28 are installed on one or the two retaining fork shafts 27; Three or four retaining shift forks 3 are installed on three or the four retaining fork shafts 29; Five reverse gear is equipped with five back forks 6 and five shifting block 34 that reverses gear on the fork shaft 32; Gear shift mechanism assembly 33 is installed in the top of rear case 5 through selecting gearshift support component 22, stop screw 1 and stop screw 2 31, and the side of gear shift mechanism assembly 33 is equipped with block selecting arm component 21, gear arm component 23, block selecting guide pin bushing 24, cover plate 26 and dust-proof cover 25.
Gear shift mechanism assembly 33 comprises guide shaft 33-10, interlock board 33-4, gearshift shifting block 33-5 and the lock 33-8 that reverses gear; The middle part of guide shaft 33-10 is equipped with the interlock board 33-4 and the lock 33-8 that reverses gear, and split washer 33-1, block selecting pad 33-2 and one or two retaining return spring 33-3 are installed on the left side guide shaft 33-10 of interlock board 33-4; Gearshift shifting block 33-5 is installed on the guide shaft 33-10 in the interlock board 33-4; On the interlock board 33-4 and the guide shaft 33-10 of lock between the 33-8 that reverse gear elastic cylindrical pin two 33-12, torsion spring seat 33-6 and torsion spring 33-7 are installed; Reverse gear elastic cylindrical pin one 33-11 and the five return spring 33-9 that reverses gear is installed on the guide shaft 33-10 on lock 33-8 right side.
It is following that gearbox respectively keeps off transfer route:
One retaining: 1-commonly engaged gear, 20-jack shaft, a 10-first gear 14-one two keeps off the double-cone synchronizer assembly 15-two 9;
Two retainings: 1-commonly engaged gear, 20-jack shaft, a 10-second gear 16-one two keeps off the double-cone synchronizer assembly 15-two 10;
Three retainings: 1-commonly engaged gear, 20-jack shaft, three retaining gears, 17-three retaining gears 18-three four keep off the synchronizer assemblies 19-two 10;
Four retainings: one 1-three, four is kept off the synchronizer assemblies 19-two 10;
Five retainings: reverse gear 12-two 10 of synchronizer assemblies of 1-commonly engaged gear, 20-countershaft fifth speed gear 11-five retaining gears 8-five;
Reverse gear: reverse gear 12-two 10 of synchronizer assemblies of 1-commonly engaged gear, 20-jack shaft 10-idle pulley 13-reverse gear 7-five that reverses gear.
Claims (3)
1. gearshift light and flexible min-truck gearbox; Comprise front case and rear case; It is characterized in that in the housing that front case and rear case constitute one, two and jack shaft being installed; Two top is provided with one or two retaining fork shafts, three or four retaining fork shafts, five reverse gear fork shaft and gear shift mechanism assemblies, and two below is provided with jack shaft, and one or two retaining shift forks and one or two retaining shifting blocks are installed on one or the two retaining fork shafts; Three or four retaining shift forks are installed on three or the four retaining fork shafts; Five reverse gear is equipped with five back forks and five shifting block that reverses gear on the fork shaft; The gear shift mechanism assembly is installed in the top of rear case through selecting gearshift support component, stop screw one and stop screw two, and the side of gear shift mechanism assembly is equipped with block selecting arm component, gear arm component, block selecting guide pin bushing, cover plate and dust-proof cover.
2. a kind of gearshift light and flexible min-truck gearbox according to claim 1, it is characterized in that being equipped with from left to right on described two three or four retaining synchronizer assemblies, three retaining gears, second gear, one or two retaining double-cone synchronizer assemblies, first gear, five retaining gears, five reverse gear the synchronizer assembly and with the reverse gear of the idle pulley engagement of reversing gear; Commonly engaged gear, three retaining gear-jack shafts and five retaining gear-jack shafts are housed on the jack shaft of two belows from left to right.
3. a kind of gearshift light and flexible min-truck gearbox according to claim 1; It is characterized in that described gear shift mechanism assembly comprises guide shaft, interlock board, gearshift shifting block and the lock that reverses gear; The middle part of guide shaft is equipped with interlock board and reverses gear lock, and split washer, block selecting pad and one or two retaining return springs are installed on the left side guide shaft of interlock board; On the guide shaft in the interlock board gearshift shifting block is installed; Interlock board and reverse gear the lock between guide shaft on elastic cylindrical pin two, torsion spring seat and torsion spring are installed; Reverse gear and elastic cylindrical pin one and five return spring that reverses gear is installed on the guide shaft on lock right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200802348U CN202451719U (en) | 2012-03-06 | 2012-03-06 | Mini-truck gearbox light, convenient and flexible to shift gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200802348U CN202451719U (en) | 2012-03-06 | 2012-03-06 | Mini-truck gearbox light, convenient and flexible to shift gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202451719U true CN202451719U (en) | 2012-09-26 |
Family
ID=46867585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200802348U Expired - Fee Related CN202451719U (en) | 2012-03-06 | 2012-03-06 | Mini-truck gearbox light, convenient and flexible to shift gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202451719U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916325A (en) * | 2018-08-15 | 2018-11-30 | 山东蒙沃变速器有限公司 | A kind of miniature commercial vehicle speed changer of high strength with low noise |
-
2012
- 2012-03-06 CN CN2012200802348U patent/CN202451719U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108916325A (en) * | 2018-08-15 | 2018-11-30 | 山东蒙沃变速器有限公司 | A kind of miniature commercial vehicle speed changer of high strength with low noise |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANDONG MENWO TRANSMISSION CO., LTD. Free format text: FORMER NAME: SHANDONG LINYI LINGONG AUTOMOBILE AXLE AND GEARBOX CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 273300, Shandong County, Linyi City, Pingyi Province North First Avenue Patentee after: Shandong Meng Wo speed changer Co., Ltd Address before: Linyi City, Shandong province 273300 revenue Pingyi County North First Avenue Shandong Linyi Lingong automobile axle box Co. Ltd. Patentee before: Shandong Linyi Lingong Automobile Bridge Box Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20200306 |