CN201250902Y - Speed-changer with constant-speed gear and low-speed gear of motor tricycle - Google Patents
Speed-changer with constant-speed gear and low-speed gear of motor tricycle Download PDFInfo
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- CN201250902Y CN201250902Y CNU2008201490690U CN200820149069U CN201250902Y CN 201250902 Y CN201250902 Y CN 201250902Y CN U2008201490690 U CNU2008201490690 U CN U2008201490690U CN 200820149069 U CN200820149069 U CN 200820149069U CN 201250902 Y CN201250902 Y CN 201250902Y
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Abstract
The utility model relates to a speed changing device of a motor tricycle, in particular to a speed-changer with constant-speed gear and low-speed gear of motor tricycle, wherein input main shafts, middle drive shafts and output shafts are orderly arranged on both side walls of the inner cavity of a speed-changer shell body in parallel, wherein a low-speed driven gear and a constant-speed driven gear are fixed the middle drive shafts, an output power gear engaged with the constant-speed driven gear is arranged on each of the output shafts, a low-speed driving gear engaged with the low-speed driven gear and a constant-speed driving gear engaged with the driven gear are correspondingly arranged on the input main shafts in a nesting and sliding mode, wherein the low-speed driving gear and the constant-speed driving gear are connected with the input main shafts in a driving mode, and a shifting fork device is arranged on one side wall of the shell body of the speed-changer for matching. The speed-changer with constant-speed gear and low-speed gear of motor tricycle of the utility model realizes the low-speed running function of a motor tricycle, and increases the carrying capacity and the climbing capacity of the motor tricycle. The speed-changer has the advantages of simple structure, low cost and convenient operation and use. The speed-changer is steadier and safer when using a low-speed gear to match with the driving of a small accelerograph under the condition of carrying, thereby not only saving oil, but also protecting engines.
Description
One, technical field: the utility model relates to a kind of speed change gear, particularly relates to the high, low speed two speed transmission that uses on a kind of motor tricycle.
Two, background technique: at present, motor tricycles a large amount of on the Domestic market all adopt the sprocket-type transmission, and this kind of drive structure is simpler, reliable performance, but the defective of its existence is: the power moment of torsion of motor is less, and the car load carrying capacity is little, and grade climbing performance is poor; Do not have speed change gear in addition, motor has only an output speed, causes motor tricycle speed change not travel.This is for road conditions plains region or cities and towns preferably, and problem is little, but for the bad mountain area of road conditions, hilly country or rural area farm work, just showed its deficiency: lifting capacity is poor, and is impracticable; Grade ability is poor, has seriously limited its using scope.Especially overload is travelled and can be increased vehicle abrasion greatly under the abominable situation of road, reduces motorcycle working life.
The speed change gear that uses on more existing pedal motorcycles can not be applied directly on the motor tricycle.These speed change gears in addition, structure more complicated, cost are higher mostly, operates also more loaded down with trivial detailsly, use inconvenience, also are not suitable for being applied to motor tricycle.Therefore present motor tricycle is produced and is dispatched from the factory and when selling speed change gear is not installed usually, has brought inconvenience to its use, has limited it and has applied.
Three, model utility content:
The utility model is at the prior art deficiency, a kind of motor tricycle Chang Su simple in structure, low speed two speed transmission are proposed, be fixedly mounted on during use on the vehicle frame of motor back, input main shaft coupling connects engine output shaft, operate by shift, motor tricycle low speed driving function be can realize, motor tricycle bearing capacity and grade ability increased.
The technological scheme that the utility model adopted:
A kind of motor tricycle Chang Su, the low speed two speed transmission, contain case of transmission (1), shifting fork device (16), the parallel successively installation input main shaft (5) in described case of transmission (1) inner chamber two side, intermediate propeller shaft (17) and output shaft (4), fix a low speed driven gear (2) and a normal fast driven gear (3) on the described intermediate propeller shaft (17), be fixed with outputting power gear (18) on the output shaft (4) with described normal fast driven gear (3) engagement, described input main shaft (5) go up corresponding nested be slidingly installed be in transmission connection with it one with the low-speed active gear (7) of low speed driven gear (2) engagement and one and the normal fast driving gear (6) that meshes of normal fast driven gear (3), described low-speed active gear (7) is connected apart from one with the at interval approximate gear width of normal fast driving gear (6), the side that case of transmission (1) inner chamber is installed low-speed active gear (7) and normal fast driving gear (6) respectively is provided with the space that is a bit larger tham a gear width distance with respect to the both sides of low speed driven gear (2) and normal fast driven gear (3) mounting point, described shifting fork device (16) coupling is fixedly mounted on case of transmission (1) outer side wall, and the shift fork of shifting fork device (16) is arranged in the space between low-speed active gear (7) and the normal fast driving gear (6).
Described shifting fork device contains a pull bar, described pull bar front end stretches out case of transmission and is connected with one handle, back end of tie rod connects a slide block, described slide block is slidingly installed by a sliding sleeve and a case of transmission upper wall that fixes with the case of transmission upper wall, slide block and case of transmission upper wall binding site coupling are provided with a location ball, described location ball is installed on the slide block in the circular port, ball below in location is provided with a helical spring in the circular port, the slideway of the corresponding location of case of transmission upper wall ball is provided with two positioning grooves, and shift fork is fixed on the medial extremity of slide block.
Described shifting fork device contains a shift driving lever, described shift driving lever bottom or hinged with case of transmission joint and case of transmission, in the space between bottom, shift driving lever bottom insertion low speed and the normal fast driving gear, shift driving lever case of transmission extends part outward and is operating grip, and corresponding shift driving lever is provided with high, low speed gear localization machine member on the case of transmission.
The gear ratio of normal fast driving gear and normal fast driven gear and power output gear is 1:1:1 in described motor tricycle Chang Su, the low speed two speed transmission, case of transmission; The gear ratio of low-speed active gear and low speed driven gear is 2:1.
Useful good effect of the present utility model:
1, the utility model motor tricycle Chang Su, low speed two speed transmission, be fixed on during use on the vehicle frame at motor rear portion, input main shaft coupling connects engine output shaft, motor tricycle low speed driving function be can realize by the shift operation, motor tricycle bearing capacity and grade ability increased.Have and run at a constant speed and the low speed driving function, increased the motor tricycle practicability, widened it and used territorial scope, more be adapted to soft, muddy sloping road and field, edge of a field operation.
2, the utility model motor tricycle Chang Su, low speed two speed transmission, simple in structure, cost is low, and is easy for operation.Under the load-carrying situation, go up a slope or in abominable travels down, use bottom gear cooperate little throttle operation more steadily, safety, not only fuel-economizing but also help protecting motor prolongs motorcycle working life.
Four, description of drawings:
Fig. 1: structural representation is faced in the utility model motor tricycle Chang Su, the low speed two speed transmission outside
Fig. 2: the utility model motor tricycle Chang Su, low speed two speed transmission are connected the side structure schematic representation with motor
Fig. 3: the utility model motor tricycle Chang Su, low speed two speed transmission internal structure schematic representation
Fig. 4: the utility model motor tricycle Chang Su, low speed two speed transmission shifting fork device structural representation
Five, embodiment:
Embodiment one: referring to Fig. 1～Fig. 3, a kind of motor tricycle Chang Su of the utility model, the low speed two speed transmission, contain case of transmission 1, shifting fork device 16, the parallel successively installation input main shaft 5 in case of transmission 1 inner chamber two side, intermediate propeller shaft 17 and output shaft 4, fix a low speed driven gear 2 and a normal fast driven gear 3 on the intermediate propeller shaft 17, the outputting power gear 18 of corresponding fixing and normal fast driven gear 3 engagements on the output shaft 4, a corresponding nested low-speed active gear 7 and normal fast driving gear 6 that meshes with normal fast driven gear 3 that meshes with low speed driven gear 2 that be in transmission connection with it that is slidingly installed on the described input main shaft 5, low-speed active gear 7 is connected apart from one with the normal fast driving gear 6 about gear width in interval, that side that case of transmission 1 inner chamber is installed low-speed active gear 7 and normal fast driving gear 6 respectively is provided with the space that is a bit larger tham a gear width distance with respect to the both sides of low speed driven gear 2 and normal fast driven gear 3 mounting points, shifting fork device 16 coupling is fixedly mounted on case of transmission 1 outer side wall, and the shift fork of shifting fork device 16 is arranged in the space between low-speed active gear 7 and the normal fast driving gear 6.
Present embodiment motor tricycle Chang Su, the low speed two speed transmission, the structure of shifting fork device 16 is referring to Fig. 4, shifting fork device contains a pull bar 10, pull bar 10 front ends stretch out case of transmission 1 and are connected with one handle (not drawing among the figure), pull bar 10 rear ends connect slide block 11, slide block 11 is slidingly installed by a sliding sleeve and a case of transmission upper wall that fixes with the case of transmission upper wall, slide block 11 is provided with location ball 12 with case of transmission upper wall binding site coupling, the slideway of the corresponding location of case of transmission upper wall ball 12 is provided with two positioning grooves, and two positioning grooves mate corresponding position corresponding speed changer high gear and low gear respectively with the location ball.Location ball 12 is installed on the slide block 11 in the circular port, in circular port location ball 12 below be provided with a helical spring 13, shift fork 14 is fixed on the medial extremity of slide block 11.The usual state of speed changer is in normal fast gear, when needing shift, inwardly promotes the pull bar 10 of shifting fork device, by shift fork 14 normal fast driving gear and normal fast driven gear is disconnected, and makes the engagement of low-speed active gear and low speed driven gear, the low grade of cutting speed.
The gear ratio of normal fast driving gear and normal fast driven gear and power output gear is 1:1:1 in present embodiment motor tricycle Chang Su, the low speed two speed transmission, case of transmission; The gear ratio of low-speed active gear and low speed driven gear is 2:1.
Embodiment two: present embodiment and embodiment's one difference is: shifting fork device adopts a shift driving lever, described shift driving lever bottom or hinged with case of transmission joint and case of transmission, in the space between shift driving lever bottom insertion low speed and the normal fast driving gear, the shift driving lever extends part and is operating grip outside case of transmission, correspondence is established normal fast gear, low gear localization machine member on the case of transmission.
The utility model motor tricycle Chang Su, low speed two speed transmission, normal fast driving gear 6 is connected the connection of sliding sleeve one with low-speed active gear 7 by one in the case of transmission 1, nested being installed in of sliding imported on the main shaft 5, when input main shaft 5 was the cylinder bodily form, normal fast driving gear 6 and low-speed active gear 7 and input main shaft 5 were in transmission connection by the key pin of coupling; Input main shaft 5 (centre be in transmission connection part) also can adopt tri-prism or four prisms cylinder shape, the partial shape that is in transmission connection in the middle of this fast often driving gear 6 and low-speed active gear 7 and disjunctor sliding sleeve center hole shape and the input main shaft 5 is complementary, and forms naturally to be in transmission connection.Between normal fast driven gear 3 and low speed driven gear 2 and the intermediate propeller shaft 17 and the transmission between power output gear 18 and the output shaft 4 adopt the key pin of routine techniques to be connected, the corresponding keyway that mates with key pin that is provided with on each position, gear center hole edge and the corresponding transmission shaft.
Claims (4)
1, a kind of motor tricycle Chang Su, the low speed two speed transmission, contain case of transmission (1), shifting fork device (16), it is characterized in that: parallel successively installation input main shaft (5) in described case of transmission (1) inner chamber two side, intermediate propeller shaft (17) and output shaft (4), fix a low speed driven gear (2) and a normal fast driven gear (3) on the described intermediate propeller shaft (17), be fixed with outputting power gear (18) on the output shaft (4) with described normal fast driven gear (3) engagement, described input main shaft (5) go up corresponding nested be slidingly installed be in transmission connection with it one with the low-speed active gear (7) of low speed driven gear (2) engagement and one and the normal fast driving gear (6) that meshes of normal fast driven gear (3), described low-speed active gear (7) is connected apart from one with the at interval approximate gear width of normal fast driving gear (6), the side that case of transmission (1) inner chamber is installed low-speed active gear (7) and normal fast driving gear (6) respectively is provided with the space that is a bit larger tham a gear width distance with respect to the both sides of low speed driven gear (2) and normal fast driven gear (3) mounting point, described shifting fork device (16) coupling is fixedly mounted on case of transmission (1) outer side wall, and the shift fork of shifting fork device (16) is arranged in the space between low-speed active gear (7) and the normal fast driving gear (6).
2, motor tricycle Chang Su according to claim 1, the low speed two speed transmission, it is characterized in that: described shifting fork device contains a pull bar (10), described pull bar (10) front end stretches out case of transmission (1) and is connected with one handle, pull bar (10) rear end connects a slide block (11), described slide block (11) is slidingly installed by a sliding sleeve and a case of transmission upper wall that fixes with the case of transmission upper wall, slide block (11) is provided with a location ball (12) with case of transmission upper wall binding site coupling, described location ball (12) is installed in the last circular port of slide block (11), location ball (12) below is provided with a helical spring (13) in the circular port, the slideway of case of transmission (1) upper wall corresponding location ball (12) is provided with two positioning grooves, and shift fork (14) is fixed on the medial extremity of slide block (11).
3, motor tricycle Chang Su according to claim 1, low speed two speed transmission, it is characterized in that: described shifting fork device contains a shift driving lever, described shift driving lever bottom or hinged with case of transmission joint and case of transmission, in the space between bottom, shift driving lever bottom insertion low speed and the normal fast driving gear, shift driving lever case of transmission extends part outward and is operating grip, and corresponding shift driving lever is provided with high, low speed gear localization machine member on the case of transmission.
4, according to claim 1 or 2 or 3 described motor tricycle Chang Su, low speed two speed transmission, it is characterized in that: the gear ratio of normal fast driving gear and normal fast driven gear and power output gear is 1:1:1 in the case of transmission; The gear ratio of low-speed active gear and low speed driven gear is 2:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201490690U CN201250902Y (en) | 2008-09-08 | 2008-09-08 | Speed-changer with constant-speed gear and low-speed gear of motor tricycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201490690U CN201250902Y (en) | 2008-09-08 | 2008-09-08 | Speed-changer with constant-speed gear and low-speed gear of motor tricycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201250902Y true CN201250902Y (en) | 2009-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201490690U Expired - Fee Related CN201250902Y (en) | 2008-09-08 | 2008-09-08 | Speed-changer with constant-speed gear and low-speed gear of motor tricycle |
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| Country | Link |
|---|---|
| CN (1) | CN201250902Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
-
2008
- 2008-09-08 CN CNU2008201490690U patent/CN201250902Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958627A (en) * | 2017-04-27 | 2017-07-18 | 红河红冠科技有限公司 | High-performance New energy electric multi-speed transmission |
| CN106958627B (en) * | 2017-04-27 | 2023-09-12 | 重庆康昌机械制造有限公司 | High-performance new energy electric multi-gear transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20090603 Termination date: 20100908 |