CN2826091Y

CN2826091Y - Automobile transmission

Info

Publication number: CN2826091Y
Application number: CNU2005200717453U
Authority: CN
Inventors: 卫群峰; 时永; 郑以超; 董德敏; 尹夕兵; 张芝保
Original assignee: LIUAN JIANGHUAI AUTOMOTIVE GEAR MANUFACTURE CO Ltd
Current assignee: ANHUI XINGRUI GEAR-TRANSMISSION CO., LTD.
Priority date: 2005-05-13
Filing date: 2005-05-13
Publication date: 2006-10-11
Anticipated expiration: 2015-05-13

Abstract

The utility model relates to an automobile speed changer which can be suitable for a medium automobile and a light weight automobile. A clutch housing, a box body and an aft closure are connected into a whole along an axial direction by bolts, wherein two shafts penetrate through and are positioned in the clutch housing, the box body and the aft closure, the two shafts in the clutch housing are input ends, and the two shafts in the aft closure are output ends. A middle shaft is parallel to the two shafts and is positioned in the box body, speed change gears are evenly distributed on the two shafts, and the gears are always engaged with one another. When a gear works, the other gears run idle. The utility model has the advantages of compact structure and effective reduction to the space occupation of the speed changer, and is in favor of the layout and the assembly of an entire automobile. The speed changer has large torque, small volume and light weight.

Description

Automotive transmission

Technical field

The utility model relates to automotive transmission.

Background technique

At present, domestic employed in, the Light-duty Vehicle speed changer, its Heavy Weight, volume are big, and major part is five speed transmission, its shortcoming is: it is too big to take up room, and the car load layout is had certain influence; The few waste oil of gear.On the other hand, existing in, generally all use synchronizer of the same type in the light-duty vehicular transmission, its shortcoming is that the synchronizer capacity not exclusively mates, and makes the corresponding increase of speed changer volume.And partly be the dry type motion in clutch separation.

Summary of the invention

The purpose of this utility model is: a kind of compact structure is provided, handles light and flexible, in being applicable to, the new work transmission of Lightweight Vehicles.

Technical solution of the present utility model is such:

1, automotive transmission comprises clutch linkage, casing, bonnet, change gear mechanism, synchronizer mechanisms, it is characterized in that:

A, clutch housing 1, casing 2 and bonnet 3 three parts link into an integrated entity by bolt vertically;

Two of B, change gear mechanism run through clutch housing 1, casing 2 and bonnet 3 and are positioned at it, and two that are positioned at the clutch housing part are input end, and two that are positioned at the bonnet part is output terminal, and jack shaft is parallel to two and is positioned at casing; Go up from input end for two and be set with gear 6, six shift of gears 7, fourth gear 8, three-range transmission 9, intermediate gear 10, one grade of gear 11, reverse gear 12 backward successively, be set with gear 13, six shift of gears 14, fourth gear 15, three-range transmission 16, intermediate gear 17, one grade of gear 18 on the jack shaft successively; Wherein: gear 6 and gear 13 engagements, six shift of gears 7 and six shift of gears 14 engagements, fourth gear 8 and fourth gear 15 engagements, three-range transmission 9 and three-range transmission 16 engagements, intermediate gear 10 and intermediate gear 17 engagements, one grade of gear 11 and one grade of gear 18 engagement are between gear 6 and the six shift of gears 7, between fourth gear 8 and the three-range transmission 9, be respectively equipped with synchronizer mechanisms between intermediate gear 10 and one grade of gear 11; Reverse gear 12 and one grade of gear 11 adjacent side are provided with tooth cover 38;

2, according to above-mentioned 1 described automotive transmission, it is characterized in that: described clutch housing 1, bonnet 3 are pack alloy spare.

3, according to above-mentioned 1 described automotive transmission, it is characterized in that: described jack shaft 5 is located on the casing by bearing 31, and described bearing 31 is a roller bearing.

The useful technique effect of the utility model speed changer is embodied in following several aspect:

1, adopt light-weight design, its clutch housing, bonnet are pack alloy spare, have alleviated weight, help saving material, heat radiation, vibration and noise reducing etc., the utility model structure is compact more, effectively reduces speed changer and takes up room, and helps car load layout and assembling.

2, improved shift property aspect structural design scheme, its 1/2 grade of synchronizer pin-type load synchronizer shortens lock in time; When transmitting same torque, volume size reduces 20% approximately;

3, the midship shaft bearing of this speed changer adopts roller bearing, has improved the intensity of complete machine.

4, the clutch linkage of this speed changer adopts the oil injecting lubricating protection, has improved the wear resistance of clutch linkage.

5, this transmission torque is big, volume is little, in light weight, practical various in, light-duty visitor, lorry.

Description of drawings

Fig. 1 is the utility model structural representation,

Fig. 2 is the transmission sketch,

Fig. 3 is a synchronizer I place enlarged view among Fig. 1,

Fig. 4 is a synchronizer II place enlarged view among Fig. 1

Fig. 5 is the N-N sectional view of Fig. 4,

Fig. 6 be the S of Fig. 1 to view,

Fig. 7 is one grade of phase diagram of synchronizer,

Fig. 8 is the phase diagram of synchronizer second gear.

Embodiment

Below in conjunction with accompanying drawing, the utility model is further described by embodiment.

Embodiment:

Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, automotive transmission comprises clutch linkage, casing, bonnet, change gear mechanism, synchronizer mechanisms.

Clutch housing 1, casing 2 and bonnet 3 three parts link into an integrated entity by bolt vertically.

Two 4 of change gear mechanism run through clutch housing 1, casing 2 and bonnet 3 and are positioned at it, two 4 that are positioned at the clutch housing part are input end, two 4 that are positioned at the bonnet part are output terminal, jack shaft 5 is parallel to two 4 and is positioned at casing 2, jack shaft 5 is installed on the casing 2 by bearing 31, and bearing 31 is a roller bearing.

Be set with gear 6, six shift of gears 7, fourth gear 8, three-range transmission 9, intermediate gear 10, one grade of gear 11, reverse gear 12 successively from input end on two 4 backward, be set with gear 13, six shift of gears 14, fourth gear 15, three-range transmission 16, intermediate gear 17, one grade of gear 18 on the jack shaft 5 successively; Wherein: gear 6 and gear 13 engagements, six shift of gears 7 and six shift of gears 14 engagements, fourth gear 8 and fourth gear 15 engagements, three-range transmission 9 and three-range transmission 16 engagements, intermediate gear 10 and intermediate gear 17 engagements, one grade of gear 11 and one grade of gear 18 engagement are between gear 6 and the six shift of gears 7, between fourth gear 8 and the three-range transmission 9, be separately installed with synchronizer mechanisms between intermediate gear 10 and one grade of gear 11; Reverse gear 12 and one grade of gear 11 adjacent side are equipped with tooth cover 38.

Synchronizer mechanisms between gear 6 and the six shift of gears 7, between fourth gear 8 and the three-range transmission 9 is a slide block lock ring type synchronizer mechanisms; Slide block lock ring type synchronizer mechanisms comprises tooth hub 20, slide block 21, spring 22, tooth cover 23, synchronizing ring 24, and slide block 21 is distributed in three slide block slots on tooth hub 20 excircles, and slide block slot and slide block 21 corresponding parts are provided with spring 22, and spring 22 is positioned at slide block 21 inner rings; Tooth cover 23 is sleeved on the tooth hub 20.

Between intermediate gear 10 and the one grade of gear 11 is the pin-type load synchronizer.The pin-type load synchronizer mechanisms comprises tooth cover 25, pin 26, steel ball 27, spring 28, synchronous disk 29, synchronous disk 30, sees Fig. 4, Fig. 5.

Clutch housing 1, bonnet 3 are pack alloy spare.

The clutch linkage of this speed changer adopts the oil injecting lubricating protection, and concrete structure is: disengaging yoke axle 32 is installed on the clutch housing 1 by needle bearing 35 supportings; Disengaging yoke 36 is installed in disengaging yoke axle 32, is used for stirring the declutch shaft bearing, automobile clutch is engaged or separation.On declutch shaft bearing, clutch housing 1 and the disengaging yoke axle 32 grease nipple 34 is housed, other has oil pipe 33 to be connected on the declutch shaft bearing, sees Fig. 6.At grease nipple 34 places filling butter, make clutch linkage when work, have butter lubricated, reduce wear, play a protective role.

The working condition of this speed changer is as follows:

When each synchronizer gear sleeve mediated, transmission of power had been interrupted in the idle running of each grade gear, is neutral state, sees Fig. 2; Under of the manipulation of each synchronizer gear sleeve at gearshift mechanism, move forward or backward respectively, then obtain 5 grades, 6 grades, 4 grades, 3 grades, 2 grades, 1 grade and R shelves successively.And clutch housing 1, bonnet 3 are pack alloy spare, have both alleviated weight, help saving material, heat radiation, vibration and noise reducing etc. again.Roller bearing 31 is used in the supporting of jack shaft 5 front and back, has improved bearing strength, makes transmission reliability better.

The concrete action step of pin-type load synchronizer is: during neutral position, synchronizer gear sleeve 25 place, 1/2 grade of synchronizer and two intermediate gears 10, one grade of gear 11 dally together; When selector device makes synchronizer gear sleeve 25 be with synchronizer pin 26 to be moved to the left, synchronizer steel ball 27 is pressing synchronizer pin 26 also to move axially, make the male cone (strobilus masculinus) contact, produce friction torque, simultaneously, synchronizer gear sleeve 25 and steel ball 27 are under the effect of shift fork, continue to move axially, intermediate gear 10 is very fast to reach synchronous with synchronizer gear sleeve 25 under the effect of inner conical surface frictional force, at this moment, synchronizer gear sleeve 25 is crossed synchronizer pin groove and two intermediate gear 10 soldered tooths engagements, change second gear, see Fig. 8.

One gear shift situation is similar, and synchronizer gear sleeve 25 moves right and changes one grade, sees Fig. 7.

Be each grade working condition below, see Fig. 3:

One grade: power is by a component gear 6 input, through gear 13, one grade of gear 18, one grade of gear 11, from two 4 outputs

Second gear: power is by 6 inputs of a component gear, through gear 13, intermediate gear 17, intermediate gear 10, from two 4 outputs

Third gear: power is by 6 inputs of a component gear, through gear 13, three-range transmission 16, three-range transmission 9, from two 4 outputs

Fourth gear: power is by 6 inputs of a component gear, through gear 13, fourth gear 15, fourth gear 8, from two 4 outputs

Five grades: power is by 6 inputs of a component gear, through tooth cover 23, tooth hub 20, from two 4 outputs

Six grades: power is by 6 inputs of a component gear, through gear 13, six shift of gears 14, six shift of gears 7, from two 4 outputs

Reverse gear: power is by a component gear 6 input, through gear 13, one grade of gear 18, reverse gear 19, reverse gear 12, from two 4 outputs.

Each grade gear is worked, is not still worked all to often engagement type, during certain shelves work, and other gear idle running.

Claims

A, clutch housing (1), casing (2) and bonnet (3) three parts link into an integrated entity by bolt vertically;

Two of B, change gear mechanism run through clutch housing (1), casing (2) and bonnet (3) and are positioned at it, and two that are positioned at the clutch housing part are input end, and two that are positioned at the bonnet part is output terminal, and jack shaft is parallel to two and is positioned at casing; Go up for two be set with gear (6), six shift of gears (7), fourth gear (8), three-range transmission (9), intermediate gear (10), one grade of gear (11), reverse gear (12) successively backward, be set with gear (13), six shift of gears (14), fourth gear (15), three-range transmission (16), intermediate gear (17), one grade of gear (18) on the jack shaft successively from input end; Wherein: gear (6) and gear (13) engagement, six shift of gears (7) and six shift of gears (14) engagement, fourth gear (8) and fourth gear (15) engagement, three-range transmission (9) and three-range transmission (16) engagement, intermediate gear (10) and intermediate gear (17) engagement, the engagement of one grade of gear (11) and one grade of gear (18) is between gear (6) and the six shift of gears (7), between fourth gear (8) and the three-range transmission (9), be respectively equipped with synchronizer mechanisms between intermediate gear (10) and the one grade of gear (11); The adjacent side with one grade of gear (11) of reverse gear (12) is provided with tooth cover (38);

Synchronizer mechanisms between C, described gear (6) and the six shift of gears (7), between fourth gear (8) and the three-range transmission (9) is a slide block lock ring type synchronizer mechanisms;

Between D, described intermediate gear (10) and the one grade of gear (11) is the pin-type load synchronizer.

2, automotive transmission according to claim 1 is characterized in that: described clutch housing (1), bonnet (3) are pack alloy spare.

3, automotive transmission according to claim 1 is characterized in that: described jack shaft (5) is located on the casing by bearing (31), and described bearing (31) is a roller bearing.