CN2888186Y - Six-speed single-middle-shaft full-synchronizer transmission for automobile - Google Patents
Six-speed single-middle-shaft full-synchronizer transmission for automobile Download PDFInfo
- Publication number
- CN2888186Y CN2888186Y CN 200520105994 CN200520105994U CN2888186Y CN 2888186 Y CN2888186 Y CN 2888186Y CN 200520105994 CN200520105994 CN 200520105994 CN 200520105994 U CN200520105994 U CN 200520105994U CN 2888186 Y CN2888186 Y CN 2888186Y
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- Prior art keywords
- shaft
- shift fork
- arm
- shift
- gearshift
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Abstract
The utility model relates to a six velocity automobile transmission with single intermediate shaft for full synchronizing device, the transmission is composed of first shaft 1, second shaft 14, intermediate shaft 16, transmitting gears with different steps of various shafts, synchronizers 3, 6, 9 on the second shaft and pulling plate type gearshift control mechanism. The control mechanism is connected with gearshift lateral pull rod 22 through outer gearshift arm 21, the lateral gearshift shaft 29, the gearshift interlocking clearance is arranged between gearshift lateral pull rod and lateral gearshift shaft, the gearshift arm welding assembly 28 is over the clearance, the elastic cylindrical pin 23 is bridge over lateral pull rod and lateral gearshift shaft, the assembly 28 control four pulling plates with different lengths, the pulling plate is connected with shift fork, the connection of every pull plate and relevant shift fork is dissociable, the shift fork is on the shell body of transmission through support pin 30. The utility model relates with compact structure, easy and reliable gearshift control; the most importance is convenient for and disassembly of automobile transmission in the horizontal position.
Description
Technical field
The utility model belongs to automobile mechanical transmissions technical field, exactly is the full synchronizer automotive transmissions of a kind of six fast single jack shafts.
Background technique
The full synchronizer automotive transmission of present six fast single jack shafts adopts lockpin-type or lock ring type list conical surface synchronizer substantially, and the capacity of synchronizer is less; And the shift control part shift fork shaft type gearshift mechanisms that adopt, the present processing technology of this mechanism is complicated, and matching gap is little, yielding between the axis hole of processing and the axle, causes the increase of gear shift resistance. moreOccurred a kind of drawplate type selector device in recent years, it has overcome the existing problem of existing shift fork shaft type gearshift mechanism, so its operation is light, but because its arm-tie and shift fork are the hinge type linkage structure, brings inconvenience in installation and removal.
Summary of the invention
The purpose of this utility model is in order to overcome problems of the prior art, it is the full synchronizer automotive transmission of six fast single jack shafts of drawplate type structure that a kind of selector device is provided, arm-tie is detachable the connection with shift fork, shift fork is supported on by supporting pin on the housing of speed changer, mainly solves the problem that the automotive transmission operation is light reliably, be convenient to horizontally-arranged formula installation and easy accessibility.
The purpose of this utility model is to realize with following technical proposal: the full synchronizer automotive transmission of this six fast single jack shaft, it is by one in the existing full synchronizer speed changer of six fast single jack shafts, two, jack shaft, flange plate, one, two, on the jack shaft each grade driving gear, synchronizer on two, and the drawplate type selector device of speed changer capping device is formed, this selector device is to connect the gear shift cross-tie by outer gear shift arm, horizontal shift shaft, between gear shift cross-tie and the horizontal shift shaft gear shift interlocking gap is arranged, device has gear shift arm welding assembly above the gap, it is connected across on gear shift cross-tie and the horizontal shift shaft by elastic cylindrical pin, the arm-tie that device has four block lengths not wait below gear shift arm welding assembly, these arm-ties are connected with corresponding shift fork separately, and its specialization is that its corresponding shift fork of described every arm-tie is detachable connection.Said four arm-ties that are uneven in length are to be made of four parallel rectangular panel blocks that are arranged side by side, and the curve bath that be provided with " U " type groove in the lower edge of each plate, is connected with horizontal shift shaft is above that along being provided with the shifting block draw-in groove.The separable connecting end of described shift fork is provided with the shift fork drive pin, and two sides of shift fork are provided with the rest pin with its flexible connection, are connected with the shift fork piece respectively in the lower end of shift fork, and shift fork drive pin and arm-tie " U " type groove is pegged graft.Described synchronizer is a bipyramid face lock ring type synchronizer.
The utlity model has following advantage: it has adopted bipyramid face lock ring type synchronizer, and the capacity of synchronizer is big, has also adopted simultaneously the selector device of drawplate type, so resistance is little during driver's gear shift, handles lightly, and operational safety is good; In addition, the arm-tie in the selector device is detachable the connection with shift fork, is convenient to dismounting thereby solved automotive transmission, and shift fork on housing, is convenient to the layout that horizontally-arranged formula is installed according to the supporting pin support and connection again.It because simple in structure, to be easy to manufacturing, installation and maintenance convenient, so cost is low, is a kind of speed changer of multi-faceted installation, can satisfy engine power is the requirement of various trucies, motor bus and the special car of 130-175KW.
Description of drawings
Fig. 1 is the utility model internal structure schematic representation.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is four pulling plate structure schematic representation.
Embodiment
In conjunction with the accompanying drawings overall structure of the present utility model and working procedure are described specifically:
As shown in Figure 1, 2, the full synchronizer automotive transmission of described six fast single jack shafts, by one 1, two 14, jack shaft 16, flange plate 15, synchronizer on each grade driving gear on one, two, jack shaft and two, and the drawplate type selector device of speed changer capping device is formed.Wherein one, two, jack shaft respectively by bearing fixing in case of transmission.One right-hand member device has gear 2, and links to each other with two front ends by bearing, and two is hierarchic structure, and two the other end is that coupling flange, output end dish 15 connects truck drive shaft again.Jack shaft 16 places a side of two, and its left end device has jack shaft driving gear 20, device has jack shaft overdirve gear gear 19 and jack shaft three, fourth gear (17,18) to the right according to this.Its middle gear 20,19,17,18 is connected with the jack shaft interference fit.One shaftgear 2 meshes with the driving gear 20 of jack shaft left end.All the other gears on the jack shaft with two on the corresponding one by one engagement of each (shelves) gear.Between a shaftgear and overdirve gear gear, between fourth gear and the three-range transmission, on two between intermediate gear and the one grade of gear respectively device bipyramid face lock ring type synchronizer 3,6,9 is arranged.At the speed changer capping device drawplate type selector device is arranged.Shown in Figure 2, this mechanism connects gear shift cross-tie 22, horizontal shift shaft 29 by outer gear shift arm 21, between gear shift cross-tie and the horizontal shift shaft certain interval is arranged; Be provided with gear shift arm welding assembly 28 above the gap, the support in this assembly is connected on gear shift cross-tie and the horizontal shift shaft by two elastic cylindrical pins 23; Below gear shift arm welding assembly, promptly loam cake interior device of elongate slots has four arm-ties that are uneven in length (24,25,26,27), and is located by three pressing plates.Consult Fig. 3, described four arm-ties that are uneven in length (24,25,26,27) are by four parallel rectangular panel blocks that are arranged side by side, and are provided with " U " type groove 35 and curve bath 36 in the bottom of each plate, and the draw-in groove 37 that its top is provided with shifting block forms.Wherein curve bath 36 is connected with horizontal shift shaft 29, and draw-in groove 37 is connected with the shifting block that the gear shift arm welds in the assembly.Consult Fig. 2, described four arm-ties that are uneven in length are separable connections with corresponding shift fork 31 separately respectively, be provided with shift fork drive pin 33 at the separable connecting end of shift fork, two sides of shift fork are provided with the rest pin 30 that flexibly connects with shift fork, shift fork is supported on the housing of speed changer, be connected with shift fork piece 32 in the shift fork lower end, the shift fork piece contacts with synchronizer, and said shift fork drive pin 33 is plugged in arm-tie " U " the type groove.
Working procedure of the present utility model: when driving, after the driver plucked shelves, each component of speed changer were position shown in the accompanying drawing 1.This moment, power was passed on one 1 by motor, clutch, was meshed with jack shaft driving gear 20 through the gear 2 on again, and power passes on the jack shaft 16, and each grade gear on this moment jack shaft is owing to be fixed together with jack shaft, so rotate together.Each grade gear that each grade gear drives again on two on the jack shaft rotates together, because the synchronous tooth cover of each synchronizer (3,6,9) is in neutral position, so two last each grade gears are in idling conditions, goes up unpowered outputs for two.Consult Fig. 2, when driver's gear selecting in a second gear position, when putting in the first speed, handle the operating handle of operator cabin, through speed change leverage driving mechanism outer gear shift arm 21 is rotated forward, promptly rotate to an axle direction, driving gear shift arm welding assembly 28 by gear shift cross-tie 22 by elastic cylindrical pin 23 rotates, thereby make second gear arm-tie 26 translation forward, promote to be interference fitted in shift fork drive pin on the second gear shift fork 31 by the U-groove bevel on the second gear arm-tie then, (only shown cross-section structure among Fig. 2 to five or six grades of shift forks 31, and a second gear shift fork structure is identical with it, so go on to say the working procedure of a second gear with reference to five or six grades shift fork structure among Fig. 2) thus promptly promoting the drive pin 33 shown in Fig. 2 drives shift forks around 30 rotations of shift fork supporting pin, makes shift fork promote to move behind the shift fork piece 32, sees Fig. 1, promoting synchronizer gear sleeve 10 has an effect synchronizer, then speed changer puts into first gear, and so far, whole engage a gear process is finished smoothly.Like this, power is after motor, clutch are imported by one 1, pass to jack shaft driving gear 20 by the gear 2 on, pass to two one grade of gears 12 by one grade of gear on the jack shaft 16 again, by spline engagement power is passed to synchronizer gear ring 11, the synchronizer gear ring is passed to power synchronizer gear sleeve 10 again by spline engagement, synchronizer gear sleeve is passed to the synchronous hub of a second gear synchronizer 9 by spline engagement, hub is given two 14 with transmission of power synchronously, afterwards, will export power through speed changer flange plate 15.Its arm-tie of drawplate type selector device among the design is detachable the connection with shift fork, promptly adopts the grafting relation of shift fork drive pin and arm-tie " U " type groove.So, when installation and removal are keeped in repair, as long as drive pin is inserted or " U " type of dial-out groove.
Claims (4)
1, the full synchronizer automotive transmission of a kind of six fast single jack shafts, it is by one (1) in the existing full synchronizer speed changer of six fast single jack shafts, two (14), jack shaft (16), flange plate (15), one, two, on the jack shaft each grade driving gear, synchronizer on two, and the drawplate type selector device of speed changer capping device is formed, this selector device is to connect gear shift cross-tie (22) by outer gear shift arm (21), horizontal shift shaft (29), between gear shift cross-tie and the horizontal shift shaft gear shift interlocking gap is arranged, device has gear shift arm welding assembly (28) above the gap, it is connected across on gear shift cross-tie and the horizontal shift shaft by elastic cylindrical pin (23), the arm-tie (24 that device has four block lengths not wait below gear shift arm welding assembly, 25,26,27), these arm-ties are connected with corresponding shift fork (31) separately, it is characterized in that its corresponding shift fork of described every arm-tie (31) is detachable connection.
2, the full synchronizer automotive transmission of according to claim 1 six fast single jack shafts, it is characterized in that said four arm-ties that are uneven in length (24,25,26,27) are to be made of four parallel rectangular panel blocks that are arranged side by side, the curve bath (36) that be provided with " U " type groove (35) in the lower edge of each plate, is connected with horizontal shift shaft is above that along being provided with shifting block draw-in groove (37).
3, the full synchronizer automotive transmission of according to claim 1 and 2 six fast single jack shafts, the separable connecting end that it is characterized in that described shift fork (31) is provided with shift fork drive pin (33), two sides of shift fork are provided with the rest pin (30) with its flexible connection, be connected with shift fork piece (32) respectively in the lower end of shift fork, shift fork drive pin and arm-tie " U " type groove is pegged graft.
4, the full synchronizer automotive transmission of according to claim 1 six fast single jack shafts is characterized in that described synchronizer is a bipyramid face lock ring type synchronizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105994 CN2888186Y (en) | 2005-12-28 | 2005-12-28 | Six-speed single-middle-shaft full-synchronizer transmission for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520105994 CN2888186Y (en) | 2005-12-28 | 2005-12-28 | Six-speed single-middle-shaft full-synchronizer transmission for automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888186Y true CN2888186Y (en) | 2007-04-11 |
Family
ID=38046755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520105994 Expired - Lifetime CN2888186Y (en) | 2005-12-28 | 2005-12-28 | Six-speed single-middle-shaft full-synchronizer transmission for automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2888186Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791428A (en) * | 2015-04-28 | 2015-07-22 | 陕西法士特齿轮有限责任公司 | Automobile transmission light in gear shifting |
| CN105697739A (en) * | 2016-03-28 | 2016-06-22 | 陕西法士特齿轮有限责任公司 | Six-gear single-middle-shaft transmission |
-
2005
- 2005-12-28 CN CN 200520105994 patent/CN2888186Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104791428A (en) * | 2015-04-28 | 2015-07-22 | 陕西法士特齿轮有限责任公司 | Automobile transmission light in gear shifting |
| CN104791428B (en) * | 2015-04-28 | 2017-11-07 | 陕西法士特齿轮有限责任公司 | One kind gearshift light car speed changer |
| CN105697739A (en) * | 2016-03-28 | 2016-06-22 | 陕西法士特齿轮有限责任公司 | Six-gear single-middle-shaft transmission |
| CN105697739B (en) * | 2016-03-28 | 2018-03-13 | 陕西法士特齿轮有限责任公司 | A kind of six grades of single countershaft transmissions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BAOJI FAST GEAR CO., LTD. Assignor: Shaanxi Fashite Gear Co., Ltd. Contract record no.: 2014610000073 Denomination of utility model: Six-speed single-middle-shaft full-synchronizer transmission for automobile Granted publication date: 20070411 License type: Exclusive License Record date: 20140423 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070411 |
|
| EXPY | Termination of patent right or utility model |