CN103122993A - Speed changer gear shift drive assembly - Google Patents
Speed changer gear shift drive assembly Download PDFInfo
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- CN103122993A CN103122993A CN2012104485712A CN201210448571A CN103122993A CN 103122993 A CN103122993 A CN 103122993A CN 2012104485712 A CN2012104485712 A CN 2012104485712A CN 201210448571 A CN201210448571 A CN 201210448571A CN 103122993 A CN103122993 A CN 103122993A
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- gear shift
- gear
- shifting
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Abstract
The invention discloses a speed changer gear shift drive assembly which comprises a shifting fork and a gear shift shaft used for being connected with the shifting fork. The gear shift shaft is arranged on a gear shift shaft seat which is fixed on a speed changer shell body and can do reciprocating movement in the axial direction. The shifting fork at least is fixedly connected with the end portion of the inner side of the gear shift shaft in the axial direction. The gear shift shaft is directly supported on the gear shift shaft seat, and guide holes in the gear shift shaft seat are utilized to guide directions. The problem that in the prior art, the guide holes at two ends of the gear shift shaft are not coaxial is solved, so that smooth operation in a long cycle of the speed changer gear shift drive assembly is guaranteed, usage failures caused by changes of the operating environment and an operating cycle can not occur, processing technology is simplified, machining cost is saved, and operating efficiency is improved.
Description
Technical field
The present invention relates to a kind of automotive component, particularly a kind of shifting of transmission drives assembly.
Background technique
Motor Vehicle is the main traffic of modern society and means of transportation; And in order to make the power and resistance that Motor Vehicle is exported in the process of moving be complementary, need to arrange gear.
In prior art, in motor vehicle, in the two speed transmission that the application's claimant develops in other words, the driving assembly that is used for gear shift generally comprises shift shaft and shift fork, for guaranteeing the balance of shift shaft, generally make the shift shaft two end supports in housing, shift fork is connected in the middle part of shift shaft; Although this structure in theory balance, stability better, to the pilot hole palpus strict guarantee coaxality at shift shaft two ends, otherwise shift shaft can assemble difficulty, and is easy to be stuck during gear shift; And the pilot hole coaxality that guarantees two ends needs comparatively complicated and strict processing technology, reduces working efficiency and improves processing cost; Guaranteed coaxality man-hour even add, and in use also can affect the normal use of gear shifting assembly because expanding with heat and contract with cold and the reason such as wearing and tearing causes coaxality deviation to occur, even scrapped.
Therefore, need to improve existing shifting of transmission driving structure, the guide structure of shift shaft improves, and obstacle does not appear using in the change because of working environment and operation cycle, and simplified processing process, saves processing cost and increases work efficiency.
Summary of the invention
In view of this, the invention provides a kind of shifting of transmission and drive assembly, the guide structure of shift shaft improves, and obstacle does not appear using in the change because of working environment and operation cycle, and simplified processing process, saves processing cost and increases work efficiency.
Shifting of transmission of the present invention drives assembly, comprise shift fork and the shift shaft that is connected connecting shift fork, described shift shaft is arranged at a gear shift axle bed that is fixed in case of transmission in reciprocating mode vertically, and described shift fork is fixedly connected on the shifting shaft inner end at least vertically.
Further, be used on described gear shift axle bed being provided with the pellet with elasticity pretightening force by the pilot hole sidewall of shift shaft, shift shaft is provided with in shift shaft to-and-fro motion process and is used at least two gear shift grooves coordinating with pellet, and at least two gear shift grooves are corresponding one by one with at least two gear shift positions of pellet clamping cooperation and shift fork and speed changer respectively in shift shaft to-and-fro motion process;
Further, described gear shift groove is three, and three gear shift grooves make its gear shift position with the neutral gear of speed changer, one grade and second gear corresponding with pellet clamping cooperation and shift fork respectively in shift shaft to-and-fro motion process;
Further, comprise that also the resistance arm of described lever coordinates with the end driving that described shift shaft stretches out case of transmission for driving the reciprocating lever of shift shaft, the power arm of lever is used for connecting manual drives or motorized motions;
Further, described pilot hole sidewall is provided with deep hole radially, is provided with in described deep hole for the column spring that pellet is provided pretightening force, and described pellet is positioned at the opening of deep hole and exposes and is at least 1/5th of diameter;
Further, described shift fork is fixed in the end that shift shaft is positioned at case of transmission;
Further, described shift fork and shift shaft are positioned at detachable being fixedly connected with in end of housing;
Further, described gear shift axle bed and case of transmission are integrally formed, and described pilot hole runs through gear shift axle bed and case of transmission;
Further, shift fork is provided with the tubular end and is coated at shifting shaft and is connected pin with shifting shaft and connects by radially penetrating the tubular end.
Beneficial effect of the present invention: shifting of transmission of the present invention drives assembly, shift shaft directly is supported on a gear shift axle bed, and utilize the pilot hole on the gear shift axle bed to lead, avoid pilot hole out-of-alignment problem in shift shaft two ends in prior art, thereby guarantee that gearshift drives the smooth and easy operation of long period of assembly, obstacle does not appear using in the change because of working environment and operation cycle, and simplified processing process, saves processing cost and increases work efficiency.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is that the present invention's assembly of shifting gears is used for the structural representation of two speed transmission.Fig. 2 is the structural representation of two speed transmission of the present invention.
Embodiment
Fig. 1 is that the present invention's assembly of shifting gears is used for the structural representation of two speed transmission, as shown in the figure: the shifting of transmission of the present embodiment drives assembly, comprise shift fork 17 and the shift shaft 19 that is connected connecting shift fork 17, described shift shaft 19 is arranged at a gear shift axle bed that is fixed in case of transmission 13 in reciprocating mode vertically, and described shift fork 17 is fixedly connected on shifting shaft 19 inner ends at least vertically.
As shown in the figure, the gearshift assembly is used for two speed transmission, figure comprises case of transmission 13, variable ratio drive system and gear change system, described gear change system comprises that gear shift drives assembly and gear shift coupling 9, shift fork 17 the other ends are completed gearshift can drive gearshift coupling 9 mode acts on gearshift coupling 9, and gearshift coupling 9 can adopt the synchronizer of prior art, can be also other mechanical structure that is similar to the slip joint transmission, belong to prior art, do not repeat them here; The inner end of shifting shaft 19 refers to that it is positioned at the end of case of transmission 13.
In the present embodiment, be used on described gear shift axle bed 18 being provided with the pellet 21 with elasticity pretightening force by the pilot hole 18a sidewall of shift shaft 19, described elasticity pretightening force is pushed pellet 21 to shifting shaft 19; Shift shaft 19 is provided with in shift shaft 19 to-and-fro motion processes for two gear shift groove 19a that coordinate with pellet 21 at least, at least two gear shift groove 19a make gear shift coupling 9 corresponding one by one with at least two gear shift positions with pellet 21 clamping cooperations and shift fork 17 respectively in shift shaft 19 to-and-fro motion processes, can be namely to switch between two grades, can also be three gears that comprise neutral; Employing has the pellet 21 of pretightening force and the clamping position structure of gear shift groove 19a, drives smooth and easyly, and the pause and transition in rhythm or melody sense is strong, has shift feel and registration preferably, and the situation appearance such as prevent from shifting gears not in place is beneficial to the smooth and easy long-term operation of speed changer.
In the present embodiment, described variable ratio drive system is two grades of variable ratio drive systems, described gear shift groove 19a is three, and three gear shift groove 19a make the gear shift position of gear shift coupling 9 and neutral gear, a grade and second gear corresponding with pellet 21 clamping cooperations and shift fork 17 respectively in shift shaft 19 to-and-fro motion processes; When being pellet 21 clamping coordinates respectively with three gear shift groove 19a, gear is respectively neutral gear, one grade and second gear, realizes the speed changer structure of two grades.
for can put down in writing structure of the present invention comprehensively, below the structure of two speed transmission is described: as shown in the figure, the present invention is used for two grades of variable ratio drive systems, this system comprises power input shaft 1, pto＝power take-off 10, fast shelves driving gear 14, fast shelves driven gear 8, slow shelves driving gear 12 and slow shelves driven gear 11, described fast shelves driven gear 8 and fast shelves driving gear 14 engagements, described slow shelves driven gear 11 and slow shelves driving gear 12 engagements, described fast shelves driving gear 14 and slow shelves driving gear 12 transmission respectively are equipped with in power input shaft 1, it can be integrally formed structure, can be also that split type employing assembly technology is installed, fast shelves driven gear 8 and slow shelves driven gear 11 are set in rotation with respectively pto＝power take-off 10, be coated at pto＝power take-off 10 in the mode of the circumferencial direction transmission that can endwisely slip and be provided with engage a gear coupling 9 between fast shelves driven gear 8 and slow shelves driven gear 11, described engage a gear coupling 9 can engage respectively transmission with fast shelves driven gear 8 or a slow shelves driven gear 11, as shown in the figure, engage a gear coupling 9 is between fast shelves driven gear 8 and slow shelves driven gear 11, engage a gear coupling 9 is provided with external tooth, fast shelves driven gear 8 and slow shelves driven gear 11 be respectively equipped with can with the internal tooth of this external tooth engagement, engage a gear coupling 9 is neutral position when the centre, and axially slip is completed and the engaging and transmission of fast shelves driven gear 8 or slow shelves driven gear 11 under external force drives, certainly, soldered tooth and juncture that engage a gear coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 are equipped with necessary joint transmission all belong to prior art, do not repeat them here, the structure of employing engage a gear coupling 9, fast shelves driven gear 8 and slow shelves driven gear 11 realizes shifted, simple and compact for structure, and fabricating cost is low, be applicable to light electric motor car, be beneficial to the relative reduce integral vehicle cost, and compare with existing electric motor car, cost there is no more increase, as shown in the figure, this system also comprises differential mechanism 4, and described pto＝power take-off 10 coordinates with the power intake transmission of differential mechanism 4, differential mechanism 4 is set, makes the present invention can directly apply to three-wheeled electric vehicle and four-wheel electric motor car, have integrated performance preferably.
In the present embodiment, comprise that also namely lever 20 is provided with the fulcrum that is fixed in housing, by hinged formation for driving the reciprocating lever 20 of shift shaft; The end that the resistance arm of described lever 20 and described shift shaft 19 stretch out housing drives and coordinates, and the general structure that adopts is at shifting shaft 19 outboard end flutings, and the resistance arm end of lever 20 is positioned at this groove, realizes driving; The power arm of lever 20 is used for connecting manual drives or motorized motions; The present embodiment adopts manual drives, and driving structure can adopt the driving structure of prior art, such as drag-line or rocking bar cumulative are realized purpose.
In the present embodiment, described pilot hole 18a sidewall is provided with deep hole 18b radially, is provided with in described deep hole 18b for pellet 21 being provided the column spring 22 of pretightening force, described pellet 21 are positioned at the opening of deep hole and expose and is at least 1/5th of diameter.
In the present embodiment, 10 transmissions of described pto＝power take-off coordinate and are provided with power output gear 2, differential mechanism be provided with as power intake and with the differential mechanism input gear 5 of power output gear engagement, adopt the gear engagement pair that power is inputed to differential mechanism, transmission efficiency is high, compact structure.
In the present embodiment, described differential mechanism is installed in case of transmission 13, differential mechanism input gear 5 coordinates with differential casing 6 transmissions of differential mechanism, the two ends, left and right of differential casing 6 are rotatably assorted respectively and are supported in case of transmission 13, as shown in the figure, differential mechanism 4 is the structure of prior art, and the sun gear (figure is left sun gear 3 and right sun gear 6) that comprises planet wheel and be used for outputing power does not repeat them here; The left and right sun gear of differential mechanism (left sun gear 3 and right sun gear 7, this left and right of sentencing on figure is as the criterion, during use, left sun gear 3 and right sun gear 7 can be each other the left and right) the power output axle shaft respectively correspondence be rotatably assorted and be placed in differential casing 6 in coaxial and be used for outputting power, as shown in the figure, the planet wheel 4 of differential mechanism is being arranged at differential casing 6 around the mode that self axis rotates, can be by the planet wheel shaft setting, it can be also direct setting, belong to the structure of prior art, do not repeat them here; The two ends, left and right of differential casing 6 are respectively equipped with to be rotatably assorted and are supported in the central axle sleeve of housing 6, and the power output axle shaft of left sun gear 3 and right sun gear 7 corresponding being rotatably assorted respectively is placed in the central axle sleeve of housing in coaxial; The cooperating structure of differential mechanism and housing 6 makes compact structure of the present invention, and drive mechanism is sealed to one, forms rear-mounted structure, saves installing space.
In the present embodiment, described shift fork 12 1 ends are positioned at the annular fork slot 9a of engage a gear coupling 9, and the other end is fixed in the end that shift shaft 19 is positioned at case of transmission 13; Described shift fork 13 and shift shaft 19 are positioned at detachable being fixedly connected with in end of case of transmission 13, as shown in the figure, shift fork 17 is provided with the tubular end and is coated at the pin that shifting shaft 19 is connected with shifting shaft by the tubular end that radially penetrates shift fork and connects, and is simple in structure, easy to assembly; Described gear shift axle bed 18 is integrally formed with case of transmission 13, described pilot hole 18a runs through gear shift axle bed 18 and case of transmission 13, increase pilot hole length, support shifting shaft that can be more stable, make whole driving assembly structure compact, have integrity preferably, the vehicle that more can be applicable to light and flexible uses.
In the present embodiment, as shown in the figure, fast shelves driven gear 8 and slow shelves driven gear 11 are set in rotation with pto＝power take-off 10, compact structure by corresponding needle bearing (needle bearing 15 and needle bearing 16) respectively, rotational stability is good, is suitable for stablizing smooth and easy and vibrates little transmission.
In the present invention, the annular bearing with rolling contact by necessity between the two ends of power input shaft 1 and pto＝power take-off 10 and differential casing 6 and case of transmission 13 is rotatably assorted, and belongs to the cooperating structure of prior art, does not repeat them here; In the present invention, transmission coordinates the mode that refers to transferring power to coordinate, and comprises engagement driving, spline drived cooperation etc.
Explanation is at last, above embodiment is only unrestricted in order to technological scheme of the present invention to be described, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that, can modify or be equal to replacement technological scheme of the present invention, and not breaking away from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of claim scope of the present invention.
Claims (9)
1. a shifting of transmission drives assembly, it is characterized in that: comprise shift fork and the shift shaft that is connected connecting shift fork, described shift shaft is arranged at a gear shift axle bed that is fixed in case of transmission in reciprocating mode vertically, and described shift fork is fixedly connected on the shifting shaft inner end at least vertically.
2. shifting of transmission according to claim 1 drives assembly, it is characterized in that: be used on described gear shift axle bed being provided with the pellet with elasticity pretightening force by the pilot hole sidewall of shift shaft, shift shaft is provided with in shift shaft to-and-fro motion process and is used at least two gear shift grooves coordinating with pellet, and at least two gear shift grooves are corresponding one by one with at least two gear shift positions of pellet clamping cooperation and shift fork and speed changer respectively in shift shaft to-and-fro motion process.
3. shifting of transmission according to claim 2 drives assembly, it is characterized in that: described gear shift groove is three, and three gear shift grooves make its gear shift position with the neutral gear of speed changer, one grade and second gear corresponding with pellet clamping cooperation and shift fork respectively in shift shaft to-and-fro motion process.
4. shifting of transmission according to claim 1 drives assembly, it is characterized in that: also comprise for driving the reciprocating lever of shift shaft, the resistance arm of described lever coordinates with the end driving that described shift shaft stretches out case of transmission, and the power arm of lever is used for connecting manual drives or motorized motions.
5. shifting of transmission according to claim 1 drives assembly, it is characterized in that: described pilot hole sidewall is provided with deep hole radially, be provided with in described deep hole for the column spring that pellet is provided pretightening force, described pellet is positioned at the opening of deep hole and exposes and is at least 1/5th of diameter.
6. shifting of transmission according to claim 1 drives assembly, and it is characterized in that: described shift fork is fixed in the end that shift shaft is positioned at case of transmission.
7. shifting of transmission according to claim 6 drives assembly, it is characterized in that: described shift fork and shift shaft are positioned at detachable being fixedly connected with in end of housing.
8. shifting of transmission according to claim 1 drives assembly, and it is characterized in that: described gear shift axle bed and case of transmission are integrally formed, and described pilot hole runs through gear shift axle bed and case of transmission.
9. shifting of transmission according to claim 7 drives assembly, it is characterized in that: shift fork is provided with the tubular end and is coated at shifting shaft is connected pin and connects by radially penetrating the tubular end with shifting shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104485712A CN103122993A (en) | 2012-11-09 | 2012-11-09 | Speed changer gear shift drive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104485712A CN103122993A (en) | 2012-11-09 | 2012-11-09 | Speed changer gear shift drive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103122993A true CN103122993A (en) | 2013-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104485712A Pending CN103122993A (en) | 2012-11-09 | 2012-11-09 | Speed changer gear shift drive assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN103122993A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486217A (en) * | 2013-09-29 | 2014-01-01 | 重庆隆旺机电有限责任公司 | Continuous-power-shifting two-gear speed changing box |
| CN110529564A (en) * | 2019-08-30 | 2019-12-03 | 重庆隆旺机电有限责任公司 | Override type gear interlock power-driven system |
Citations (9)
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| JP2001116143A (en) * | 1999-10-18 | 2001-04-27 | Seirei Ind Co Ltd | Transmitting operation structure of transmission |
| KR20040006917A (en) * | 2002-07-16 | 2004-01-24 | 현대자동차주식회사 | Positioning apparatus of manual transmission |
| CN201003598Y (en) * | 2007-06-26 | 2008-01-09 | 重庆隆旺机电有限责任公司 | Motorcycle speed transmission thrust augmentor |
| CN201269289Y (en) * | 2008-03-18 | 2009-07-08 | 颜宏通 | Shift transmission mechanism of loosener |
| CN201306424Y (en) * | 2008-03-17 | 2009-09-09 | 梁道明 | Motor tricycle-dedicated integrated boost gearbox with reverse gear device |
| CN201396422Y (en) * | 2009-05-12 | 2010-02-03 | 浙江万里扬变速器股份有限公司 | Vehicle gearbox shifting device |
| CN201538238U (en) * | 2009-08-27 | 2010-08-04 | 重庆川渝精工机械配件开发有限公司 | High-low shift rear-drive assembly for four-wheel electric motor car |
| CN201714924U (en) * | 2010-07-21 | 2011-01-19 | 重庆富瑞机械制造有限公司 | Third gear auxiliary transmission |
| CN203202199U (en) * | 2012-11-09 | 2013-09-18 | 重庆隆旺机电有限责任公司 | Transmission gear shifting driving assembly |
-
2012
- 2012-11-09 CN CN2012104485712A patent/CN103122993A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001116143A (en) * | 1999-10-18 | 2001-04-27 | Seirei Ind Co Ltd | Transmitting operation structure of transmission |
| KR20040006917A (en) * | 2002-07-16 | 2004-01-24 | 현대자동차주식회사 | Positioning apparatus of manual transmission |
| CN201003598Y (en) * | 2007-06-26 | 2008-01-09 | 重庆隆旺机电有限责任公司 | Motorcycle speed transmission thrust augmentor |
| CN201306424Y (en) * | 2008-03-17 | 2009-09-09 | 梁道明 | Motor tricycle-dedicated integrated boost gearbox with reverse gear device |
| CN201269289Y (en) * | 2008-03-18 | 2009-07-08 | 颜宏通 | Shift transmission mechanism of loosener |
| CN201396422Y (en) * | 2009-05-12 | 2010-02-03 | 浙江万里扬变速器股份有限公司 | Vehicle gearbox shifting device |
| CN201538238U (en) * | 2009-08-27 | 2010-08-04 | 重庆川渝精工机械配件开发有限公司 | High-low shift rear-drive assembly for four-wheel electric motor car |
| CN201714924U (en) * | 2010-07-21 | 2011-01-19 | 重庆富瑞机械制造有限公司 | Third gear auxiliary transmission |
| CN203202199U (en) * | 2012-11-09 | 2013-09-18 | 重庆隆旺机电有限责任公司 | Transmission gear shifting driving assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486217A (en) * | 2013-09-29 | 2014-01-01 | 重庆隆旺机电有限责任公司 | Continuous-power-shifting two-gear speed changing box |
| CN110529564A (en) * | 2019-08-30 | 2019-12-03 | 重庆隆旺机电有限责任公司 | Override type gear interlock power-driven system |
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Application publication date: 20130529 |