Manual rear-drive five-gear speed changer
A transmission, three-speed technology, applied in the direction of transmission, transmission parts, gear transmission, etc., can solve the problems of large transmission error and vibration noise, large weight and volume, and high manufacturing cost, and achieve low transmission error and vibration noise. , small weight and volume, the effect of reducing the overall length
Pending Publication Date: 2018-02-23
CHONGQING TSINGSHAN IND
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Problems solved by technology
For the first-speed driving gear 5, it needs to be processed by special processes such as shot blasting to meet the requirements of use, and its manufacturing cost is relatively high, so that the manufacturing cost of the entire manual rear-drive five-speed transmission is also relatively high
[0005] 2. The reverse drive gear 15 needs to be separately arranged on the input shaft 1 with a distance from the first drive gear 5, so that the input shaft 1 must be longer to meet the assembly requirements of the reverse drive gear 15 and the first drive gear 5, and also That is, the input shaft 1 is longer
Similarly, the overall length of the transmission is increased, occupying a larger space, and greater weight and volume
[0007] 4. The reverse drive gear 15, the reverse idler gear 16 and the reverse gear sleeve 19-1 of the first and second gear synchronizers 19. The reverse structure of the three-gear chain transmission will produce large transmission errors and vibration noise
Method used
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Embodiment Construction
[0021] Preferred embodiments of the present invention are described in detail below in conjunction with accompanying drawings;
[0022] see figure 2 and image 3 , the manual rear-drive five-speed transmission of the present invention includes a coaxial input shaft 1 and an output shaft 3, an intermediate shaft 2 parallel to the input shaft 1 and the output shaft 3, and a reverse gear idler shaft 4, the input shaft 1 is successively installed with a driving gear 5 for first gear, driving gear 15 for reverse gear, driving gear 7 for second gear, driving gear 13 for fifth gear, synchronizer 21 for fifth gear, driving gear 9 for third gear and synchronizer 20 for third and fourth gears. The first gear driven gear 6 is sequentially assembled on the shaft 2, including a second gear synchronizer 19, a second gear driven gear 8, a fifth gear driven gear 14, a third gear driven gear 10 and an intermediate shaft constant mesh driving gear 12. The output shaft 3 The output shaft cons...
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The invention discloses a manual rear-drive five-gear speed changer which is high in strength, low in cost, small in occupied space, small in weight and size, small in transmission error and low in vibration noise. The manual rear-drive five-gear speed changer is characterized by further comprising a reverse-gear output gear which is arranged on an intermediate shaft and located between a second-gear driven gear and a fifth-gear driven gear, and a reverse-gear idle gear on a reverse-gear idle gear shaft is a duplicate gear and includes a first-level idling reverse-gear idle gear, a reverse-gear synchronizer gear sleeve and a second-level idling reverse-gear idle gear; a first-gear driving gear and a reverse-gear driving gear on the input shaft are width gears of an integrated structure, the width of the first-gear driving gear and the reverse-gear driving gear is the sum of the width of a first-gear driven gear on the intermediate shaft and the width of a first-level idling reverse-gear idle gear of the reverse-gear idle gear on the reverse-gear idle gear shaft, the reverse-gear driving gear on the input shaft is engaged with the first-level idling reverse-gear idle gear of the reverse-gear idle gear on the reverse-gear idle gear shaft, and a second-level idling reverse-gear idle gear of the reverse gear idle gear is engaged with the reverse-gear output gear on the intermediateshaft.
Description
technical field [0001] The invention belongs to automobile transmissions, in particular to a manual rear-drive five-speed transmission. Background technique [0002] In the existing manual rear drive five-speed transmission, the gear ratio of the first gear and the gear ratio of the reverse gear are the largest. Therefore, the torque transmitted by these two pairs of gear pairs is the largest, and the working stress of the gear teeth is also the largest, which is usually the weak link in strength in the manual rear-drive five-speed transmission. [0003] see figure 1 As shown, a manual rear-drive five-speed transmission common on the market includes coaxial input shaft 1 and output shaft 3, intermediate shaft 2 parallel to the distance between input shaft 1 and output shaft 3, and reverse gear idler shaft 4 , the first gear driving gear 5, the reverse gear driving gear 15, the second gear driving gear 7, the fifth gear driving gear 13, the fifth gear synchronizer 21, the t...
Claims
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IPC IPC(8): F16H3/38F16H3/24F16H57/023
CPCF16H3/24F16H3/38F16H57/023
Inventor张代明伍思勇周召祥张挥林李林魏东钱宗行蒋帅彭灿
OwnerCHONGQING TSINGSHAN IND