CN2269338Y - Linked rear axle type gearbox with four forward gear and one reverse gear - Google Patents
Linked rear axle type gearbox with four forward gear and one reverse gear Download PDFInfo
- Publication number
- CN2269338Y CN2269338Y CN 96218851 CN96218851U CN2269338Y CN 2269338 Y CN2269338 Y CN 2269338Y CN 96218851 CN96218851 CN 96218851 CN 96218851 U CN96218851 U CN 96218851U CN 2269338 Y CN2269338 Y CN 2269338Y
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- gear
- retaining
- shaft
- input shaft
- iiiiv
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- Expired - Fee Related
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Abstract
The utility model relates to a general gearbox, particularly the linked rear axle type gearbox of three-wheel or four-wheel motor transportation or a tractor. The utility model increases a forward gear based on original three forward gears and a reverse gearbox to make the distribution between the speed of a low gear, and the speed of a high gear more reasonable, and the running performance of vehicles are improved.
Description
The utility model relates to general change speed gear box, especially is a kind of connected rear axle type motor tricycles or four-wheel transport trolley change speed gear box.
At present, be bel-drivenn motor tricycles or four-wheel transport trolley between driving engine that uses in the society and the disjunctor change speed gear box back axle, its change speed gear box is three forward gears, and one reverses gear.The velocity variations scope is little, and gear is on the low side.Guaranteeing under the highest forward gear speed 40Km/h situation, if I retaining speed is 5-6Km/h, then jumping characteristic is big between three gear speed, causes not steady to gearshift; Distribute suitablely if guarantee three gear speed, low gear speed will be higher, causes hill climbing ability to reduce, and starting is unstable, and it is dangerous to travel under the abominable or crowded situation of condition of road surface.
The purpose of this utility model provides a kind of change speed gear box that can better solve forward gear speed assignment problem, and this change speed gear box is four forward gears, and one reverses gear.
The utility model is achieved in that
On original three forward gears, change speed gear box basis of reversing gear, increase a tween drive shaft, three gears, a declutch shift shaft, other gear all adopts general part, thereby realizes increasing a forward gear.
The utility model is described further middle in conjunction with the accompanying drawings embodiment:
Fig. 1 is the change speed gear box front view that saves clutch assembly,
Fig. 2 is Figure 1A-A sectional stretch-out view,
Fig. 3 is Figure 1B-B section-drawing,
Fig. 4 is semiaxis version, IIIIV retaining variable gear Figure 1A-A sectional stretch-out view when being installed on the output shaft for tween drive shaft,
Figure 1A-A sectional stretch-out view when Fig. 5 is individual gears for IIIIV retaining variable gear,
Fig. 6 is an individual gears and when being installed on the output shaft for IIIIV retaining variable gear, Figure 1A-A sectional stretch-out view.
In the accompanying drawing zero, parts code name and title:
1, self-locking steel ball 2, self-locking spring 3, bolt
4, spring washer 5, adjusting bolt 6, nut
7, change speed gear box loam cake 8, gearbox body 9, differential assembly
10, IV retaining gear 11, spacing sleeve I 12, III keep off gear
13, spacing sleeve II 14, whole miniature gears 15, the spacing sleeve III of passing
16, II retaining driven gear 17, bearing 18, output shaft end cap
19, output shaft 20, axle go out hubcap paper washer 21, spacing sleeve IV
22, countershaft-gear II 23, tween drive shaft 24, tween drive shaft end cap I
25, O RunddichtringO 26, reverse gear shaft 27, oil sealing
28, disengaging pawl 29, clutch assembly 30, disengaging pawl seat
31, input shaft 32, I dual gear cover I 33, the I dual gear that reverses gear that reverses gear
34, III retaining variable gear 35, I reverse gear, and dual gear overlaps II 36, variable gear reverses gear
37, IIIIV retaining variable gear 38, release thrust bearing 39, input shaft end cap
40, tween drive shaft end cap II 41, oil discharge screw 42, countershaft-gear I
43, interlocking end cap 44, interlocking steel ball 45, bolt
46, spring washer 47, IIIIV retaining declutch shift shaft 48, interlocking plunger
49, IIIIV retaining shift fork 50, elastic cylindrical pin 51, spring cotter
52, back fork 53, III retaining shift fork 54, back fork axle
55, III retaining declutch shift shaft 56, declutch shift shaft end cap 57, bolt
58, circlip for shaft 59, circlip for shaft 60, lining
61, IV retaining driving gear 62, III keep off driven gear
This change speed gear box mainly is made of gearbox body, clutch assembly, input shaft, reverse gear shaft, tween drive shaft, output shaft, differential assembly, gear and bearing etc.
It is characterized in that:
1, input shaft 31 is bearing on the gearbox body 8 by two bearings 17, stretches out an end of gearbox body 8 at input shaft 31, and clutch assembly 29 links by spline and two bearings and input shaft 31.Three gears are arranged on the input shaft, and promptly III retaining variable gear 34, the variable gear 36 that reverses gear, 37, three gears of IIIIV retaining variable gear all link by spline and input shaft 31, and can both be at axle upper edge axial slip.
2, can not in gearbox body 8 holes, rotate for interference fit and reverse gear shaft 26 between reverse gear shaft 26 and gearbox body 8 endoporus.I reverses gear that dual gear 33 reverses gear by I that dual gear cover I32 and I reverse gear that dual gear cover II35 sky is enclosed within on the reverse gear shaft 26 and can be around reverse gear shaft 26 rotation, and I reverses gear, and to reverse gear that dual gear cover II35 and I reverse gear between dual gear 33 endoporus all be interference fit for dual gear cover I32 and I.
3, tween drive shaft 23 two ends are bearing on gearbox body 8 endoporus by two bearings 17, and 22,42 two gears are arranged on it.Countershaft-gear I42 is connected with tween drive shaft 23 by spline with countershaft-gear II22, and axial location.Countershaft-gear I42 and I dual gear 33 constant-meshes that reverse gear, countershaft-gear II22 and II retaining driven gear 16 constant-meshes.Tween drive shaft both can be axis version, also can be semiaxis version.
4, output shaft 19 two ends are bearing on gearbox body 8 endoporus by two bearings 17, and 10,12,14,16 4 gears are arranged on it.IV retaining gear 10, III retaining gear 12, whole biography miniature gears 14 and II retaining driven gear 16 all link and axial location by spline and output shaft 19.Pass eventually miniature gears 14 and differential assembly 9 constant-mesh that cogs.
5, IIIIV retaining shift fork 49, back fork 52, III retaining shift fork 53 are separately fixed on IIIIV retaining declutch shift shaft 47, back fork axle 54, the III retaining declutch shift shaft 55 by elastic cylindrical pin 50 and spring cotter 51.Between IIIIV retaining declutch shift shaft 47, back fork axle 54, III retaining declutch shift shaft 55 and gearbox body 8 endoporus all is free-running fit.
6, the effect of interlocking steel ball 44 and interlocking plunger 48 is to guarantee that three declutch shift shafts at every turn can only one move, and prevent random retaining.The effect of self-locking steel ball 1 is to decide gear and prevent automatic off-gear, adjusts adjusting bolt 5 and is threaded into the degree of depth in the change speed gear box, can change the elastic force of self-locking spring 2, thereby regulate the self-lock force of gear.
7, also IIIIV can be kept off variable gear 37 and be installed on the output shaft 19, simultaneously III retaining gear 12, spacing sleeve I11, IV retaining gear 10 are installed on the input shaft 31, at this moment, need on output shaft 19 and input shaft 31, circlip for shaft 58 and 59 to be set respectively.
8, also IIIIV can be kept off variable gear 37 and make individual gears, at this moment, four gears are arranged on the input shaft 31, and III retaining variable gear 34, reverse gear variable gear 36 and IIIIV retaining variable gear 37 are all gone into axle 31 by spline and axle and are linked, and all can slippage on input shaft 31.IV retaining driving gear 61 is enclosed within on the input shaft 31 by lining 60 skies and can rotates around input shaft 31.Between IV retaining driving gear 61 and the lining 60 is interference fit.IV retaining driving gear 61 and IV retaining gear 10 constant-meshes.Existing external tooth has internal tooth again on the IV retaining driving gear.
9, also IIIIV can be kept off variable gear 37 (individual gears) and be installed on the output shaft 19, simultaneously III retaining gear 12, spacing sleeve I11, IV retaining gear 10 are installed on the input shaft 31, III retaining driven gear 62 and lining 60 are installed on the output shaft 19.At this moment, need on output shaft 19 and input shaft 31, circlip for shaft 58 and 59 to be set respectively.
The principle of work of this change speed gear box is:
1, when the operation gear-change hand lever, when making III retaining declutch shift shaft 55 pull out gearbox body 8, III keeps off declutch shift shaft 55 and moves together by elastic cylindrical pin 50 and spring cotter 51 drive III retaining shift forks 53, and dual gear 33 meshes thereby drive III retaining variable gear 34 slippages and I reverse gear.At this moment, the engine power drive path is: driving engine → belt → clutch assembly 29 → input shaft 31 → III retaining variable gear 34 → I dual gear 33 → countershaft-gear I42 → tween drive shaft 23 → countershaft-gear II22 → II retaining driven gear 16 → output shaft 19 → eventually that reverses gear passes miniature gearss 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, make vehicle with I retaining speed forward travel.
2, when the operation gear-change hand lever, when making III retaining declutch shift shaft 55 push gearbox body 8, III retaining declutch shift shaft 55 drives III retaining shift fork 53 by elastic cylindrical pin 50 and spring cotter 51 and moves together, thereby drives III retaining variable gear 34 slippages and 16 engagements of II retaining driven gear.At this moment, the engine power drive path is: driving engine → belt → clutch assembly 29 → input shaft 31 → III retaining variable gear 34 → II retaining driven gear 16 → output shaft 19 → eventually passes miniature gears 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, make vehicle with II retaining speed forward travel.
3, when the operation gear-change hand lever, when making IIIIV retaining declutch shift shaft 47 push gearbox body 8, IIIIV retaining declutch shift shaft 47 drives IIIIV retaining shift fork 49 by elastic cylindrical pin 50 and spring cotter 51 and moves together, thereby drives IIIIV retaining variable gear 37 slippages and 12 engagements of III retaining gear.At this moment, the engine power drive path is: driving engine → belt → clutch assembly 29 → input shaft 31 → IIIIV retaining variable gear 37 → III retaining gear 12 → output shaft 19 → eventually passes miniature gears 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, make vehicle with III retaining speed forward travel.
4, (1) is when IIIIV retaining variable gear 37 is dual gear, the operation gear-change hand lever, when making IIIIV retaining declutch shift shaft 47 pull out gearbox body 8, IIIIV retaining declutch shift shaft 47 drives IIIIV retaining shift fork 49 by elastic cylindrical pin 50 and spring cotter 51 and moves together, thereby drives IIIIV retaining variable gear 37 slippages and 10 engagements of IV retaining gear.At this moment, the engine power drive path is: driving engine → belt → clutch assembly 29 → input shaft 31 → IIIIV retaining variable gear 37 → IV retaining gear 10 → output shaft 19 → eventually passes miniature gears 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, make vehicle with IV retaining speed forward travel.
(2) when IIIIV retaining variable gear 37 is individual gears, the operation gear-change hand lever, when making IIIIV retaining declutch shift shaft 47 pull out gearbox body 8, IIIIV retaining declutch shift shaft 47 drives IIIIV retaining shift fork 49 by elastic cylindrical pin 50 and spring cotter 51 and moves together, is meshed with IV retaining driving gear 61 internal tooths thereby drive 37 slippages of IIIIV retaining variable gear.At this moment, the engine power drive path is: driving engine → belt → clutch assembly 29 → input shaft 31 → IIIIV retaining variable gear 37 → IV retaining driving gear 61 → IV retaining gear 10 → output shaft 19 → eventually passes miniature gears 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, make vehicle with IV retaining speed forward travel.
5, when the operation gear-change hand lever, when making back fork axle 54 push gearbox body 8, back fork axle 54 drives back forks 52 by elastic cylindrical pin 50 and spring cotter 51 and moves together, meshes thereby drive reverse gear variable gear 36 slippages and the I dual gear 33 that reverses gear.At this moment, the engine power drive path is: the driving engine → belt → clutch assembly 29 → input shaft 31 → variable gear 36 → I that the reverses gear dual gear 33 → countershaft-gear I42 → tween drive shaft 23 → countershaft-gear IV22 → IV retaining driven gear 16 → output shaft 19 → eventually that reverses gear passes miniature gearss 14 → differential assembly 9, rotate by semiaxis, wheel hub drive wheels then, vehicle is swung to travel.
Said " connected rear axle " means: be to be connected as a single entity by fastener between gearbox body and the rear axle housing body, engine power passes on the change speed gear box input shaft behind the clutch pulley through belt, directly pass on the semiaxis through change speed gear box inner gear and differential assembly, such change speed gear box and back axle are generically and collectively referred to as " connected rear axle " again.
Good effect of the present utility model:
1. after existing three forward gear bases increase a forward gear, low gear speed and It is more reasonable to distribute between the high gear speed, has improved starting and the gearshift performance of vehicle, has guaranteed Vehicle uses suitable travel speed under different road conditions.
2. keep former three forward gears, the gearbox body width that reverses gear, cost is low.
Claims (5)
1, a kind of change speed gear box mainly is made of gearbox body, clutch assembly, input shaft, reverse gear shaft, tween drive shaft, output shaft, differential assembly, gear and bearing etc., it is characterized in that:
(1) input shaft 31 is bearing on the gearbox body 8 by two bearings 17, stretch out gearbox body 8 one ends at input shaft 31, clutch assembly 29 links by spline and two bearings and input shaft 31, three gears are arranged on the input shaft, be that III retaining variable gear 34, the variable gear 36 that reverses gear, IIIIV keep off variable gear 37, three gears all link by spline and input shaft 31, and can both be at axle upper edge axial slip
(2) can not in gearbox body 8 holes, rotate for interference fit and reverse gear shaft 26 between reverse gear shaft 26 and gearbox body 8 endoporus, I reverses gear that dual gear 33 reverses gear by I that dual gear cover I32 and I reverse gear that dual gear cover II35 sky is enclosed within on the reverse gear shaft 26 and can be around reverse gear shaft 26 rotation, I reverses gear, and to reverse gear that dual gear cover II35 and I reverse gear between dual gear 33 endoporus all be interference fit for dual gear cover I32 and I
(3) tween drive shaft 23 two ends are bearing on gearbox body 8 endoporus by two bearings 17,22,42 two gears are arranged on it, countershaft-gear I42 is connected with tween drive shaft 23 by spline with countershaft-gear II22, and axial location, countershaft-gear I42 and I dual gear 33 constant-meshes that reverse gear, countershaft-gear II22 and II retaining driven gear 16 constant-meshes
(4) output shaft 19 two ends are bearing on gearbox body 8 endoporus by two bearings 17,10,12,14,16 4 gears are arranged on it, IV retaining gear 10, III retaining gear 12, whole biography miniature gears 14 and II retaining driven gear 16 all link by spline and output shaft 19, and axial location, pass eventually miniature gears 14 and differential assembly 9 constant-mesh that cogs
(5) IIIIV retaining shift fork 49, back fork 52, III retaining shift fork 53 are captiveed joint with IIIIV retaining declutch shift shaft 47, back fork axle 54 and III retaining declutch shift shaft 55 respectively with spring cotter 51 by elastic cylindrical pin 50, between IIIIV retaining declutch shift shaft 47, back fork axle 54 and III retaining declutch shift shaft 55 and gearbox body 8 endoporus all is free-running fit
(6) interlocking steel ball 44 and interlocking plunger 48 are set, prevent random retaining, self-locking steel ball 1, self-locking spring 2 and adjustable bolt 5 are set, prevent automatic off-gear.
2, according to the described change speed gear box of claim 1, it is characterized in that: tween drive shaft 23 both can be axis version, also can be semiaxis version.
3, according to claim 1,2 described change speed gear boxs, it is characterized in that: also IIIIV can be kept off variable gear 37 and be installed on the output shaft 19, simultaneously III retaining gear 12, spacing sleeve I11, IV retaining gear 10 are installed on the input shaft 31, at this moment, need on output shaft 19 and input shaft 31, circlip for shaft 58 and 59 to be set respectively.
4, according to claim 1,2 described change speed gear boxs, it is characterized in that: also IIIIV can be kept off variable gear 37 and make individual gears, at this moment, four gears are arranged on the input shaft 31, III keeps off variable gear 34, variable gear 36 and the IIIIV retaining variable gear 37 that reverses gear all links by spline and input shaft 31, and all can slippage on input shaft 31, IV retaining driving gear 61 is enclosed within on the input shaft 31 by lining 60 skies and can rotates around input shaft 31, between IV retaining driving gear 61 and the lining 60 is interference fit, IV retaining driving gear 61 and IV retaining gear 10 constant-meshes, existing external tooth has internal tooth again on the IV retaining driving gear.
5, according to claim 1,2 described change speed gear boxs, it is characterized in that: also IIIIV can be kept off variable gear 37 and make individual gears and be installed on the output shaft 19, simultaneously III retaining gear 12, spacing sleeve I11, IV retaining gear 10 are installed on the input shaft 31, III retaining driven gear 62 and lining 60 are installed on the output shaft 19, at this moment, need on output shaft 19 and input shaft 31, circlip for shaft 58 and 59 to be set respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96218851 CN2269338Y (en) | 1996-08-07 | 1996-08-07 | Linked rear axle type gearbox with four forward gear and one reverse gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96218851 CN2269338Y (en) | 1996-08-07 | 1996-08-07 | Linked rear axle type gearbox with four forward gear and one reverse gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2269338Y true CN2269338Y (en) | 1997-12-03 |
Family
ID=33899599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96218851 Expired - Fee Related CN2269338Y (en) | 1996-08-07 | 1996-08-07 | Linked rear axle type gearbox with four forward gear and one reverse gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2269338Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374275A (en) * | 2010-08-13 | 2012-03-14 | 中国第一汽车集团公司 | Novel arrangement structure for assembling double-clutch type automatic transmission reverse gear idler wheel eccentric |
-
1996
- 1996-08-07 CN CN 96218851 patent/CN2269338Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102374275A (en) * | 2010-08-13 | 2012-03-14 | 中国第一汽车集团公司 | Novel arrangement structure for assembling double-clutch type automatic transmission reverse gear idler wheel eccentric |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |