CN201371747Y - Four-wheel drive high-low speed gearbox assembly of mini car - Google Patents

Four-wheel drive high-low speed gearbox assembly of mini car Download PDF

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Publication number
CN201371747Y
CN201371747Y CN200920041515U CN200920041515U CN201371747Y CN 201371747 Y CN201371747 Y CN 201371747Y CN 200920041515 U CN200920041515 U CN 200920041515U CN 200920041515 U CN200920041515 U CN 200920041515U CN 201371747 Y CN201371747 Y CN 201371747Y
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CN
China
Prior art keywords
output shaft
assembly
low
gear
speed
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
Application number
CN200920041515U
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Chinese (zh)
Inventor
孔繁钢
贾旭军
张美英
李含征
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lianyungang Northern Transmission LLC
Original Assignee
Lianyungang Northern Transmission LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Lianyungang Northern Transmission LLC filed Critical Lianyungang Northern Transmission LLC
Priority to CN200920041515U priority Critical patent/CN201371747Y/en
Application granted granted Critical
Publication of CN201371747Y publication Critical patent/CN201371747Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

A four-wheel drive high-low speed gearbox assembly of a mini car comprises a gearbox and a transfer case, wherein the transfer case is arranged at the rear part of the gearbox and is connected with a box body of the gearbox, a front drive output shaft, an idler shaft and a rear drive output shaft are arranged in the transfer case in parallel, an output shaft of the gearbox in the transfer case is connected with a high-low speed synchronizer assembly through a spline, a low-speed driving gear assembly sleeved on an output shaft of the gearbox in a hollow mode is arranged at the front part of the high-low speed synchronizer assembly, a rear output shaft assembly is arranged at the rear part of the high-low speed synchronizer assembly, the idler shaft is provided with an intermediate transmission idler wheel which is normally meshed with a low-speed driving gear and a rear output shaft gear respectively, and a two-four-wheel drive. The running performance of the whole vehicle is greatly enhanced, and the vehicle has the economy of a common mini vehicle, and also has the high dynamic property of off-road vehicles and the high adaptability of various road surfaces. The climbing capability of the mini car is greatly enhanced, and the two-drive and the four-drive can be switched at any time.

Description

Minicar 4 wheel driven high and low speed speed box assembly
Technical field
The utility model relates to a kind of speed-changing mechanism, particularly a kind of minicar 4 wheel driven high and low speed speed box assembly.
Background technology
At present, the most of two-wheel drive that adopts of domestic minicar mainly is because still there is not the driving engine of forward and backward outputting power at home on the existing small displacement engine.
Summary of the invention
The technical problems to be solved in the utility model is at the deficiencies in the prior art, proposed a kind of do not change under the oad situation of driving engine realize two taking turns, the high driven at low speed of four-wheel, and the minicar 4 wheel driven high and low speed that can change mutually at any time speed box assembly.
The technical problems to be solved in the utility model is achieved through the following technical solutions, a kind of minicar 4 wheel driven high and low speed speed box assembly, comprise change speed gear box and auxiliary gear box, auxiliary gear box is located at the rear portion of change speed gear box and is connected with the casing of change speed gear box, be characterized in: the parallel forerunner's output shaft that is provided with in the auxiliary gear box, idler shaft and rear-guard output shaft, rear-guard output shaft and the coaxial setting of the output shaft of change speed gear box, output shaft at auxiliary gear box internal speed-changing case is connected with the high and low shift synchronizer assembly by spline, the front portion of high and low shift synchronizer assembly is provided with sky and is enclosed within low-speed active gear assembly on the output shaft of gear-box, the low-speed active gear assembly comprises low-speed active gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, the rear portion of high and low shift synchronizer assembly is provided with the rear output shaft assembly, the rear output shaft assembly comprises the rear-guard output shaft, rear output shaft gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, idler shaft is provided with respectively and low-speed active gear, the intermediate drive idle pulley of rear output shaft gear constant-mesh, be connected with two 4 wheel driven synchronizer assemblies and the empty forerunner's gear assembly that is enclosed within on forerunner's output shaft on forerunner's output shaft by spline, forerunner's gear assembly comprise with idler shaft on one of them intermediate drive idle pulley constant-mesh forerunner's power wheel and overlap the spline tooth that cooperates with the tooth of two 4 wheel driven synchronizer assemblies.
The utility model compared with prior art, by handling the high and low shift synchronizer assembly, the tooth cover on the high and low shift synchronizer assembly slides backward with after spline tooth on the rear output shaft gear engages, rotates and drive rear output shaft, realizes exporting at a high speed; Tooth cover on the high and low shift synchronizer assembly, is realized exporting behind the low speed through two gears, rear output shaft gear transmissions on low-speed active gear, the idler shaft with after spline tooth on the low-speed active gear engages to front slide.Two, 4 wheel driven conversion is to engage realization high, low speed front and back power to front slide and spline tooth on the preceding output gear and export simultaneously by handling sliding gear collar on the two 4 wheel driven synchronizer assemblies.The car load rideability strengthens greatly after using this change speed gear box, not only possesses the economy of common minicar, also has the high dynamic property and the various ground-surface high-adaptability of non-road vehicle.The minicar hill climbing ability that travels is strengthened greatly, and two drive and 4 wheel driven moves and can change at any time.Save the development capital of 4 wheel driven driving engine and transmission assembly, shorten the manufacturing cycle, utilize the existing resources of production, fill the domestic gaps, can be simultaneously and many moneys Engine Matching, satisfy the different user requirement.
Description of drawings
Fig. 1 is a structure diagram of the present utility model.
The specific embodiment
A kind of minicar 4 wheel driven high and low speed speed box assembly, comprise change speed gear box and auxiliary gear box, auxiliary gear box is located at the rear portion of change speed gear box and is connected with the casing of change speed gear box, the parallel forerunner's output shaft 8 that is provided with in the auxiliary gear box, idler shaft 1 and rear-guard output shaft 6, rear-guard output shaft 6 is provided with the output shaft of change speed gear box coaxial 2, output shaft 2 at auxiliary gear box internal speed-changing case is connected with high and low shift synchronizer assembly 4 by spline, the front portion of high and low shift synchronizer assembly 4 is provided with sky and is enclosed within low-speed active gear assembly 3 on the output shaft of gear-box, low-speed active gear assembly 3 comprises low-speed active gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, the rear portion of high and low shift synchronizer assembly 4 is provided with rear output shaft assembly 5, rear output shaft assembly 5 comprises rear-guard output shaft 6, rear output shaft gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, idler shaft 1 is provided with respectively and low-speed active gear, the intermediate drive idle pulley of rear output shaft gear constant-mesh, be connected with two 4 wheel driven synchronizer assemblies 7 and the empty forerunner's gear assembly 9 that is enclosed within on forerunner's output shaft on forerunner's output shaft 8 by spline, forerunner's gear assembly 9 comprise with idler shaft on one of them intermediate drive idle pulley constant-mesh forerunner's power wheel and overlap the spline tooth that cooperates with the tooth of two 4 wheel driven synchronizer assemblies 7.Its high-grade transmitting ratio is: 1.0, and low gear ratio is: 1.8~2.0.
Rear-guard output shaft and rear output shaft gear and spline tooth are set to one, and are provided with axle center hole, and the end of output shaft of gear-box joins by needle bearing and its axle center hole.
Parallel with the rear-guard output shaft high and low shift declutch shift shaft that is provided with, the high and low shift shift fork is fixed on the high and low shift declutch shift shaft by resilient pin, and the high and low shift shift fork places in the fork pockets of high and low shift synchronizer assembly; Parallel with the forerunner's shaft two 4 wheel driven declutch shift shafts that are provided with, two 4 wheel driven shift forks are fixed on the two 4 wheel driven declutch shift shafts by resilient pin, and two 4 wheel driven shift forks place in the fork pockets of two 4 wheel driven synchronizer assemblies.
The outside of two shift forks is provided with stirs notch, is provided with in auxiliary gear box and stirs the shift shaft assembly that notch cooperates, and the shift shaft gear shifting rocking arm outer with being located at casing is connected.Rotate gear shifting rocking arm, make the high and low shift shift fork drive that the tooth interplanting moves axially in the high and low shift synchronizer assembly, engage or engage by the synchronous back of high and low shift synchronizer assembly and the spline tooth on the auxiliary gear box rear output shaft with low-speed active gear spline tooth on the output shaft of gear-box, realize high, low speed rear-guard takeoff output, thereby realize the high low speed back-wheel drive of car load.Rotate another gear shifting rocking arm, make two 4 wheel driven shift forks drive that the tooth interplanting moves axially in the two 4 wheel driven synchronizer assemblies, by with the soldered tooth splined engagement of preceding output gear, realize high low speed before and after power export simultaneously, thereby realize the car load four wheel drive.
After little car of the 462Q that adopts in batches on the market, 465Q driving engine mated this change speed gear box now, dynamic property and road worthiness can all will obviously improve, and satisfy customer requirements.

Claims (1)

1. minicar 4 wheel driven high and low speed speed box assembly, comprise change speed gear box and auxiliary gear box, auxiliary gear box is located at the rear portion of change speed gear box and is connected with the casing of change speed gear box, it is characterized in that: the parallel forerunner's output shaft (8) that is provided with in the auxiliary gear box, idler shaft (1) and rear-guard output shaft (6), the coaxial setting of output shaft (2) of rear-guard output shaft (6) and change speed gear box, output shaft (2) at auxiliary gear box internal speed-changing case is connected with high and low shift synchronizer assembly (4) by spline, the front portion of high and low shift synchronizer assembly (4) is provided with sky and is enclosed within low-speed active gear assembly (3) on the output shaft of gear-box, low-speed active gear assembly (3) comprises low-speed active gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, the rear portion of high and low shift synchronizer assembly (4) is provided with rear output shaft assembly (5), rear output shaft assembly (5) comprises rear-guard output shaft (6), rear output shaft gear and the spline tooth that cooperates with the tooth cover of high and low shift synchronizer assembly, idler shaft (1) is provided with respectively and low-speed active gear, the intermediate drive idle pulley of rear output shaft gear constant-mesh, go up at forerunner's output shaft (8) and to be connected with two 4 wheel driven synchronizer assemblies (7) and the empty forerunner's gear assembly (9) that is enclosed within on forerunner's output shaft by spline, forerunner's gear assembly (9) comprise with idler shaft (1) on one of them intermediate drive idle pulley constant-mesh forerunner's power wheel and overlap the spline tooth that cooperates with the tooth of two 4 wheel driven synchronizer assemblies (7).
CN200920041515U 2009-03-20 2009-03-20 Four-wheel drive high-low speed gearbox assembly of mini car Expired - Fee Related CN201371747Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200920041515U CN201371747Y (en) 2009-03-20 2009-03-20 Four-wheel drive high-low speed gearbox assembly of mini car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200920041515U CN201371747Y (en) 2009-03-20 2009-03-20 Four-wheel drive high-low speed gearbox assembly of mini car

Publications (1)

Publication Number Publication Date
CN201371747Y true CN201371747Y (en) 2009-12-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200920041515U Expired - Fee Related CN201371747Y (en) 2009-03-20 2009-03-20 Four-wheel drive high-low speed gearbox assembly of mini car

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949198A (en) * 2017-03-29 2017-07-14 山东蒙沃变速器有限公司 A kind of automatic gear-box for Minitype electric lorry
CN110822029A (en) * 2019-11-14 2020-02-21 福建尚锟齿轮箱制造有限公司 Transfer case with front and rear driving independent separation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106949198A (en) * 2017-03-29 2017-07-14 山东蒙沃变速器有限公司 A kind of automatic gear-box for Minitype electric lorry
CN110822029A (en) * 2019-11-14 2020-02-21 福建尚锟齿轮箱制造有限公司 Transfer case with front and rear driving independent separation
CN110822029B (en) * 2019-11-14 2021-10-08 福建尚锟齿轮箱制造有限公司 Transfer case with front and rear driving independent separation

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091230

Termination date: 20130320