CN207510207U - A kind of motor tricycle and its single-cylinder engine - Google Patents

Abstract

The utility model discloses a kind of motor tricycle single-cylinder engine, including heat engine（1）, it is characterised in that：The heat engine（1）Bent axle（2）Longitudinally disposed and described bent axle（2）Output terminal be located at rear end.Using the single-cylinder engine of the utility model, assembly precision is improved so that engine work is more reliable.

Description

A kind of motor tricycle and its single-cylinder engine

Technical field：

The utility model is related to a kind of motor tricycle single-cylinder engines.

Background technology：

The engine of existing motor tricycle is all single-cylinder engine, and bent axle is all laterally setting, i.e., is put down with rear axle Row setting, the bent axle output are laterally output.Then after being commutated again by bevel gear pair so that drive path is final It is changed into longitudinal direction, and is connect eventually by differential mechanism with rear axle, is transferred power on rear axle.

A kind of automobile-used horizontal dynamical system of three-wheel is disclosed in Chinese patent CN205186460U, and specifically discloses hair Motivation, clutch and energizing speeding-up component, when engine pressure-bearing type is installed, by driven shaft crossing out along engine, Therefore can by bent axle along the lateral arrangement of vehicle in the side of engine.

The engine of pressure-bearing type dynamical system of above-mentioned patent and the arrangement of clutch rub for existing most of three-wheel The arrangement of motorcycle engine, however when using the engine of above-mentioned arrangement, there are of high cost, fit precision Low, occupied space is big, works the defects of unreliable.

Utility model content：

The purpose of this utility model is to provide a kind of transmission efficiency and engine for motorcycle at low cost.

In order to achieve the above object, the utility model is realized in this way：A kind of motor tricycle single-cylinder engine, packet Include heat engine, the bent axle of the heat engine is longitudinally disposed and the output terminal of the bent axle is located at rear end.Using above-mentioned set-up mode Engine for motorcycle, bent axle is longitudinal, cost is reduced, saves space, and improve fit precision.

Further, the output terminal of the bent axle is sequentially connected with clutch.

Preferably, the crankshaft output end is sequentially connected with the clutch input by gear pair A.

In order to further match the working speed of clutch, the gear pair A is speed reducing gear pair.

In order to further match the working speed of next structure, the output shaft of the clutch is also associated with gear.

In order to further ensure output is turned to be positive, the gear is made of even-even gear pair, input terminal It is that output terminal is sequentially connected with clutch.

Preferably, the gear includes input shaft, jackshaft and output shaft, the input shaft and the clutch Output shaft is sequentially connected, and gear pair B is provided between the input shaft and the jackshaft, in the jackshaft and described defeated Gear pair C is provided between shaft.

In order to further save space, the output shaft of the input shaft and the clutch is same axis.

In order to further improve the stability of vehicle and shock resistance, the output shaft is coaxially set with the bent axle.

A kind of motor tricycle, including above-mentioned single-cylinder engine.

Wherein, according to the common knowledge of those of ordinary skill in the art, " longitudinal direction " described in the utility model refers to three The travel direction of wheeled motorcycle, using a side of motor tricycle headstock as " preceding ", using a side of the motor tricycle tailstock as " rear ", The left and right sides is respectively " left side " and " right side ", and left side and right side are then " transverse direction ".

Advantageous effect：

It is using the engine for motorcycle of the utility model, the bent axle of heat engine is longitudinal so that the arrangements side such as clutch Formula also changes, and ensures that drive path is longitudinally disposed, at least reduces the use of bevel-gear sett, improves assembling essence Degree so that engine work is more reliable, and can reduce area occupied of the motorcycle engine in vehicle frame, enables to vehicle frame The layout of other component is more suitable.But also at least cost of bevel-gear sett and corresponding bearing, axis can be reduced Cost；Improve the profit margin of motor tricycle.

Description of the drawings：

Fig. 1 is the structure diagram of the utility model.

Specific embodiment：

Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings, but the utility model These embodiments are not limited to, any improvement or replacement on the present embodiment essence spirit still falls within the utility model Claim range claimed.

Embodiment 1：As shown in Figure 1, a kind of motor tricycle single-cylinder engine, including heat engine 1, the song of the heat engine 1 Axis 3 is longitudinally disposed and the output terminal of the bent axle is located at rear end.Wherein, described " rear end " refers to when bent axle 2 is longitudinally disposed, " rear " side of its outbound course direction.

Setting in this way, may be such that drive path is always longitudinal direction, avoids existing drive path by horizontal stroke to vertical. Reduce the use of commutation component, save the occupied space of engine, reduce the cost of engine, and improve assembling Precision and transmission efficiency.

The output terminal of its bent axle of heat engine by transmission mechanism reconnect clutch, with this come control the access of power with It disconnects.The clutch is connect by gear pair A with the crankshaft output end, wherein, to ensure the working speed of clutch, institute It is speed reducing gear pair to state gear pair A.And it may be helical gear pair that the gear pair, which can be spur gear pair,.

Finally the power after deceleration is directly exported by the output terminal of clutch.

A kind of motorcycle, including the single-cylinder engine in the present embodiment.

Embodiment 2：As shown in Figure 1, a kind of motor tricycle single-cylinder engine, including heat engine 1, the song of the heat engine 1 Axis 2 is longitudinally disposed and the output terminal of the bent axle is located at rear end.Wherein, described " rear end " refers to when bent axle 2 is longitudinally disposed, " rear " side of its outbound course direction.

At this point, the output terminal of the bent axle 2 and 3 input terminal of clutch are sequentially connected, drive connection herein is passes through Gear pair A is sequentially connected, and the gear pair A can be spur gear pair or helical gear pair.In the present embodiment, the gear pair A is Spur gear pair, after being sequentially connected by spur gear pair, 3 output terminal of clutch can be directly connected to gear, and also to rotate forward It can be by being connected after the adjustment rotating speed of the spur gear pair between clutch 3 and bent axle 2 with gear.

As another embodiment of the present embodiment, 3 output terminal of clutch can be again by exporting after gear, base In the power rotation direction the considerations of, the gear is formed through even-even gear pair.In the present embodiment, considered based on space, institute It states gear to export after two pairs of gear pairs, the concrete structure of the gear is：Including input shaft, jackshaft and output Axis, the input shaft are fixedly connected with the clutch output, are driven in the input shaft and the centre by gear pair B Connection, the jackshaft are sequentially connected with the output shaft by gear pair C.Wherein, the gear pair B and gear pair C can be Spur gear pair is alternatively helical gear pair, and in the present embodiment, in order to save manufacture cost, the gear pair B and gear pair C are Spur gear pair.

Moreover, two pairs of gear pairs can only realize the function of transmission, also deceleration can be made it have by changing gearratio The function of torque or speedup, so that it meets the input speed of speed changer, the input of speed changer that can be connected based on rear end is turned Speed is adjusted, and takes into account fluted disc size and be adjusted.

In addition, the output shaft of input shaft in the present embodiment and the clutch is same axis, and the output shaft with The bent axle is coaxially set.

So, it may be such that engine output end " in put ", i.e., output terminal is located at rear axle center, but also engine is pacified Holding position is in vehicle or so center, will not there is a situation where cranks.And also save the cost of an axis and bearing.

As another embodiment of this implementation, external splines is provided on the axis of the output terminal of output shaft, with this and is become Transmission is realized in the internal spline cooperation of fast device input terminal.

The setting of the single-cylinder engine of the present embodiment, may be such that drive path is always longitudinal direction, avoids existing transmission Route is by horizontal stroke to vertical.Reduce the use of commutation component, save the occupied space of engine, reduce the cost of engine, And improve assembly precision and transmission efficiency.

A kind of motor tricycle, including the single-cylinder engine in the present embodiment.

Claims (10)

1. a kind of motor tricycle single-cylinder engine, including heat engine（1）, it is characterised in that：The heat engine（1）Bent axle（2） Longitudinally disposed and described bent axle（2）Output terminal be located at rear end.

2. motor tricycle single-cylinder engine as described in claim 1, it is characterised in that：The bent axle（2）Output terminal It is sequentially connected with clutch（3）.

3. motor tricycle single-cylinder engine as claimed in claim 2, it is characterised in that：The crankshaft output end with it is described Clutch input is sequentially connected by gear pair A.

4. motor tricycle single-cylinder engine as claimed in claim 3, it is characterised in that：The gear pair A is reducing gear Wheel set.

5. the motor tricycle single-cylinder engine as described in claim 2,3 or 4, it is characterised in that：The clutch it is defeated Shaft is also associated with gear.

6. motor tricycle single-cylinder engine as claimed in claim 5, it is characterised in that：The gear is through even-even Gear pair is formed, and input terminal is that output terminal is sequentially connected with clutch.

7. motor tricycle single-cylinder engine as claimed in claim 6, it is characterised in that：The gear includes input Axis, jackshaft and output shaft, the output shaft of the input shaft and the clutch are sequentially connected, the input shaft and it is described in Gear pair B is provided between countershaft, gear pair C is provided between the jackshaft and the output shaft.

8. motor tricycle single-cylinder engine as claimed in claim 7, it is characterised in that：The input shaft and the clutch The output shaft of device is same axis.

9. motor tricycle single-cylinder engine as claimed in claim 7 or 8, it is characterised in that：The output shaft with it is described Bent axle is coaxially set.

10. a kind of motor tricycle, including any of the above-described single-cylinder engine.