CN2271489Y - Reverse device of three-wheeled motorcycle - Google Patents

Abstract

The utility model relates to a reverse device for three-wheeled motorcycles, which is composed of a bracket, a transmission shaft supported on the bracket through a bearing, a driving and a driven chain wheels, a driven shaft installed on the transmission shaft and also positioned in the wheel cavity surrounded by the concave cavities of the driving and the driven wheels, a planet bevel gear installed on the driven shaft and engaged with umbrella-shaped gear teeth on the driving and the driven chain wheel, a double face clutch formed from a sliding block whose double faces are provided with gear teeth, gear teeth on the driving chain wheel and gear teeth on a bearing seat, and an operating mechanism composed of a driven fork stirring and pushing the sliding block to make reciprocating slide along the transmission shaft, a pull rod, a connecting rod and an operating handle. The utility model not only belongs to a back action device capable of reversing and regulating a motor tricycle in an automotive mode, but also belongs to a two stage driving device.

Description

The motor-tricycle car backing apparatus

The utility model relates to a kind of motor-tricycle reversing gear.

Motor-tricycle as the equipment of small motor transport vehicle have motor-driven, flexible, convenient, the occupied ground that parks cars is little, be easy to advantages such as maintenance and repair and use more and more widely.It not only is used for the transportation of small lot goods, and more and more uses as the short-distance passenger transportation vehicle, particularly in medium and small county town and rural area.But the motor-tricycle that uses does not all have reversing gear at present, vehicle reversing in use, and shunting in the parking all finished by hutching, thereby brought great inconvenience to vehicle operation.

The purpose of this utility model provide a kind of simple in structure, compact, easy to install, be easy to maintenance and repair, be suitable for the motor-tricycle car backing apparatus that motor-tricycle uses.

The motor-tricycle car backing apparatus is by support, be bearing in transmission shaft on the support by being loaded on bearing in the rack shaft holder, be loaded on drive sprocket, the driven sprocket that can freely rotate mutually with transmission shaft on the transmission shaft, be loaded on the transmission shaft refute axle, be loaded on refute that axle goes up can be around refuting a planetary bevel gear that axle rotates, being loaded on the slide block that its two sides on the transmission shaft have teeth, dial the sliding piece and constitute along the steering unit of refuting fork, constituting of the round slippage of transmission shaft by pull bar, connecting rod, operating handle.

Drive sprocket, cavity is arranged, the umbrella teeth are arranged on the cavity wall from fortune sprocket wheel wheel face.Refuting the umbrella teeth that axle is positioned on wheel chamber, planetary bevel gear and the driving and driven sprocket wheel cavity wall that drive sprocket, driven sprocket cavity surround meshes.Refute an axis hole and allow mouth, axial fin is arranged on the transmission shaft, refute that axle is loaded on the transmission shaft, axially fin crouches and allows in the mouth, transmission shaft rotates, refutes axle and rotates thereupon, driven sprocket and drive sprocket synchronously, rotation in the same way.Drive sprocket on slide block one side wall surface, have can with slide block teeth ingear teeth, have on the transmission shafts bearing relative with the slide block opposite side can with slide block opposite side teeth ingear teeth, teeth on teeth on the drive sprocket wall, the transmission shafts bearing, slide block constitutes the double sided clutch of car backing apparatus.The slide block axis hole has chute, and axial fin slideway is arranged on the transmission shaft, and chute cooperates slide block to come and go slippage and can drive the transmission shaft rotation along axle with slideway.Refuting fork refutes to keep off with slide block and cooperates.Pull bar one end with refute fork and captive joint, the pull bar other end and connecting rod one end are hinged.Connecting rod is hinged with the whole supporting arm that is connected on the support, and its other end is captiveed joint with operating handle.

In order to adapt to and to satisfy different operatings needs, drive sprocket, driven sprocket can be made into integral type and also can be made into assembled sprocket wheel.

The integral type sprocket wheel is made of driving wheel, flower wheel and the whole chain tooth that is connected on driving wheel, the flower wheel wheel rim.The advantage of integral type sprocket wheel is a compact conformation, and globality is strong.

Assembled sprocket wheel is to be made of drive chain, flower wheel and the fastening chain gear wheel that is fixed on driving wheel, the flower wheel wheel rim.Advantage is will not pull down by the whole chain wheel after the chain odontotripsis, only the teeth wheel is unloaded replacing and gets final product, and is easy and simple to handle, rapid, do not influence vehicle operation.

The motor-tricycle car backing apparatus constituent part that the utility model provides is few, compact conformation, installation, use, easy to maintenance, convenient.Car backing apparatus be gear reversing device be again two gear stages, be loaded on the expansion tightening wheel that has saved driving chain behind the motor-tricycle, shortened the length of driving chain simultaneously, the jitter phenomenon of chain when having eliminated driving has improved the driving torque of driving chain.More flexible, the convenience of use that motor-tricycle utilizes car backing apparatus can carry out motor-driven reversing, shunt and make motor-tricycle.

Accompanying drawing is embodiment of the present utility model, further specifies the utility model below in conjunction with embodiment.

Fig. 1 is that drive sprocket and driven sprocket are the motor-tricycle car backing apparatus constructional drawing of one-piece construction.

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is that drive sprocket and driven sprocket are the motor-tricycle car backing apparatus constructional drawing of assembled structure.

As shown in the figure, the motor-tricycle car backing apparatus is by support (2), (45), transmission shaft (33), be loaded on the drive sprocket (38) on the transmission shaft, driven sprocket (5), refute axle (3), be loaded on the planetary bevel gear (4) of refuting on the axle, (20), two sides have teeth (23), (25) slide block (24), dial the sliding piece and refute fork (40) and pull bar (41) along what axle came and went slippage, connecting rod (48), the steering unit that operating handle (49) constitutes constitutes, transmission shafts bearing (8), (32) by binding bolt (10), (13), (31), (37), tensioner packing ring (9), (12), (30), (36), be fixed on the support.Transmission shaft is bearing on the support by bearing (11), (34) that are loaded in the bearing seat.Drive sprocket, driven sprocket have cavity to be loaded on the transmission shaft relatively, by the shaft shoulder (22), back-up ring (6) (21), with transmission shaft screw thread fit bonded assembly setscrew nut (7), (17) and floor clip (19) location, drive sprocket, driven sprocket and transmission shaft can freely rotate mutually.Refute axle and be positioned at the wheel chamber that drive sprocket, driven sprocket cavity surround, planetary bevel gear is loaded on refutes axle and goes up and can rotate around refuting axle, planetary bevel gear simultaneously with drive sprocket, driven sprocket cavity wall on the umbrella teeth mesh.Refute an axis hole and allow mouth, an axial fin that has on the transmission shaft and allow mouth cooperate, fin with allow mouth cooperate the transmission shaft drive to refute a rotation.The drive sprocket side have can with slide block teeth ingear teeth (39), have on the transmission shafts bearing relative with the slide block another side can with slide block another side teeth ingear teeth (26), bearing seat teeth, drive sprocket side teeth, slide block constitute double sided clutch.The slide block axis hole has chute, has on the propeller section of installation slide block and the axial fin slideway of the whole bonded assembly of transmission shaft, and chute cooperates slide block to come and go slippage and can drive the transmission shaft rotation along axle with slideway.Refute fork and be fixed on tie rod end, cooperate for dialling retaining with slide block.Pull bar be loaded on the whole bonded assembly supporting base of transmission shafts bearing (43) on, being positioned on the pull bar section of supporting base axis hole has positioning ring groove (42) (44), the protruding retaining in flexible location (35) on the supporting base, positioning ring groove and elasticity are located protruding retaining and are cooperated slide block is located.The pull bar other end and connecting rod one end are hinged, rod hinge connection with the whole bonded assembly supporting arm of support (47) on, operating handle is fixed on the other end of pull bar.The car backing apparatus transmission shaft has by what bolt (14), (27) nut (16), (28) and the whole back plate (15) (29) that is connected on the support constituted screws the adjusting lockout mechanism so that the drive sprocket (1) of master and slave sprocket wheel and engine output shaft, the sprocket wheel (18) on the motor-tricycle hind axle are aligned.When installing and using car backing apparatus car backing apparatus is fixed on the crossbeam (46) of motor tricycle chassis, the car backing apparatus drive sprocket connects by the drive sprocket (1) on driving chain and the engine for motorcycle output shaft, and driven sprocket connects by the sprocket wheel on the hind axle of driving chain and motor-tricycle (18).

Operating handle promotes to refute fork by connecting rod, pull bar and makes the teeth engagement of refuting on fork promotion right vertically slippage of power-transfer clutch slide block and the drive sprocket, drive sprocket on the start the engine rear engine output shaft drives drive sprocket by driving chain and rotates, and then the drive slide block rotates, slide block drives transmission shaft and rotates, transmission shaft drives, refutes axle and rotates, refute axle and dial and to push away driven sprocket and drive chain crop rotation rotation in the same way synchronously, motor-tricycle moves ahead.Bar handle make refute fork dial push away that the left vertically slippage slide block of power-transfer clutch slide block breaks away from the drive sprocket teeth and with bearing seat on the teeth engagement, transmission shaft stops operating, and then refutes and spool stop operating.The planetary bevel gear of refuting on the axle rotates around refuting axle under the drive of drive sprocket, planetary bevel gear and then drive driven chain crop rotation backward rotation, motor bike backward.

The back plate cribbing that the car backing apparatus support can be made into as shown also can be made into frame bracket, and car backing apparatus can expose installation and also can adorn and install after adding casing.

Drive sprocket can be made into as shown in Figure 1 driven wheel and the sprocket wheel of the direct whole bonded assembly one-piece construction of chain tooth, also can be made into by driving wheel (53), flower wheel (52) with by fastener (51), (54) are fastening and be fixed on the assembled sprocket wheel that integral type on the wheel rim or sectional type chain gear wheel (50), (55) constitute.

Claims (3)

1, a kind of motor-tricycle car backing apparatus, it is characterized in that by support, be bearing in transmission shaft on the support by being loaded on bearing in the rack shaft holder, be loaded on the drive sprocket that can freely rotate mutually with transmission shaft on the transmission shaft, driven sprocket, be loaded on the axle of refuting on the transmission shaft, be loaded on refute that axle goes up can be around a planetary bevel gear of refuting the axle rotation, be loaded on two sides on the transmission shaft and have the slide block of teeth, dial the sliding piece comes and goes slippage along transmission shaft the fork of refuting, by pull bar, connecting rod, the steering unit that operating handle constitutes constitutes, drive sprocket, the driven sprocket wheel face has cavity, the umbrella teeth are arranged on the cavity wall, refute axle and be positioned at drive sprocket, in the wheel chamber that the driven sprocket cavity surrounds, planetary bevel gear and master, umbrella teeth engagement on the driven sprocket cavity wall, refute an axis hole and allow mouth, axial fin is arranged on the transmission shaft, refuting axle is loaded on the transmission shaft, axially fin crouches and allows in the mouth, drive sprocket on slide block one side wall surface, have can with slide block teeth ingear teeth, have on the transmission shafts bearing relative with the slide block opposite side can with slide block teeth ingear teeth, the bearing seat teeth, slide block, teeth on the drive sprocket constitute double sided clutch, the slide block axis hole has chute, axial fin slideway is arranged on the transmission shaft, chute cooperates slide block to come and go slippage and can drive the transmission shaft rotation along axle with the fin slideway, refuting fork dials to keep off with slide block and cooperates, pull bar one end with refute fork and captive joint, the pull bar other end and connecting rod one end are hinged, rod hinge connection is bearing in integral body and is connected on the supporting arm on the support, and operating handle is captiveed joint with the connecting rod other end.

2,, it is characterized in that said drive sprocket, driven sprocket are made of driving wheel, flower wheel and the whole chain tooth that is connected on the wheel rim by the described motor-tricycle car backing apparatus of claim 1.

3, by the described motor-tricycle car backing apparatus of claim 1, it is characterized in that said drive sprocket, driven sprocket are made of driving wheel, flower wheel and the fastening chain gear wheel that is fixed on the wheel rim.

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