Abstract

The application relates to a transmission case of an engine. A cover (2) of the transmission case is attached to a crankcase (1), and wheels (4,5) are attached to output shafts (3). There are positional holes in the transmission case cover (2) and the crankcase (1), and the transmission case cover (2) has two output shaft holes, one for big wheels and the other for small wheels.

IPC Classes  ?

• B62M 23/00 - Transmissions characterised by use of other elementsOther transmissions

Abstract

A rear axle with hollow rear shaft for beach buggy is composed of a hollow rear shaft (1), elastic buffering rubbers (2), a rear swing frame (3), eccentric bearing holder members (4), bolts (5) for mounting elastic sprocket (6), a holding member (7) for sprocket and brake disc, a mounting plate (9) for rear braking pump. The elastic buffering rubbers (2) are mounted in the elastic sprocket (6). The holding member (7) for sprocket and brake disc, the rear brake disc (8) and the elastic sprocket (6) are mounted on the rear shaft (1) by straight key.

IPC Classes  ?

• B60B 35/12 - Torque-transmitting axles
• B60B 17/00 - Wheels characterised by rail-engaging elements
• B62M 9/16 - Tensioning or adjusting equipment for chains, belts, or the like

Abstract

A main frame with three-section structure for beach buggy is composed of a front main frame (1), a middle bent tube frame (2) and a rear main frame (3). The front main frame (1) and the middle bent tube frame (2) are connected fixedly by bolt (4). The middle bent tube frame (2) and the rear main frame (3) are connected fixedly by bolt (5).

IPC Classes  ?

• B62K 11/02 - Frames
• B62D 21/12 - Understructures, i.e. chassis frame on which a vehicle body may be mounted assembled from readily-detachable parts

Abstract

A rear axle with eccentric bearing holder member for beach buggy is composed of a hollow rear shaft (1), elastic buffering rubbers (2), a rear swing frame (3), bearing holder members (4), bolts (5) for mounting elastic sprocket (6), a holding member (7) for sprocket and brake disc, a mounting plate (9) for rear braking pump. The bearing holder member (4) is eccentric and mounted on the hollow rear shaft (1). There is scale provided on two ends of the bearing holder member (4). It can change the position of the rear shaft (1) relative to brward wheels by turning the eccentric bearing holder member (4), so as to adjust the degree of tension of chain.

IPC Classes  ?

• B60K 17/342 - Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a longitudinal, endless element, e.g. belt or chain, for transmitting drive to wheels
• B62M 9/16 - Tensioning or adjusting equipment for chains, belts, or the like
• F16H 7/06 - Gearings for conveying rotary motion by endless flexible members with chains

Abstract

A front arm assembly used in a beach buggy comprises a front arm (3,4), a big ball pin (6,7) and small ball pins (8,9). The big ball pin (6,7) is installed on one end of the front arm (3,4) and the small ball pins (8,9) is installed on the other end of the front arm (3,4). The front arm (3,4) is connected with the big ball pin (6,7) and the small ball pins (8,9) by screw threads that are provided on both ends of the front arm (3,4). The front arm (3,4) is connected with a ball pin steering knuckle (5) by the big ball pin (6,7) and the front arm (3,4) is connected with a main frame (2) by the small ball pins (8,9)

IPC Classes  ?

• B60G 17/00 - Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
• B62D 7/18 - Steering knucklesKing-pins
• F16C 11/06 - Ball-jointsOther joints having more than one degree of angular freedom, i.e. universal joints

Abstract

The application relates to a gear shift. It is comprised of a shaft (1), a clutch gear (2), a clutch (3), a low-speed gear (4), a high-speed gear (7), a reverse gear (9) and a shifter (8). The clutch gear (2), the low-speed gear (4) and the reverse gear (9) are mounted on the shaft (1) via needle bearings, the high-speed gear (7) is mounted on the low-speed gear (4) via a needle bearing. The clutch (3) is fixed on the shaft by a key, the low-speed gear (4) and the high-speed gear (7) are restricted on the shaft (1), the shifter (8) is connected to the shaft (1) by a key, and the shifter can shift on the shaft (1).

IPC Classes  ?

• F16H 63/02 - Final output mechanisms thereforActuating means for the final output mechanisms

Abstract

A torque limiter for cutting off two-way power transmitting relates to the field of motorcycle engine. A gear (3), a belleville spring holder (8) and a friction plate (9,11) are splined with the shaft (1) of the torque limiter. The belleville spring (7) is laminated and fitted between the belleville spring holder (8) and the friction plate (9,11) against the belleville spring holder (8). The adjusting washer (4) is mounted between the gear (3) and the Belleville spring holder (8). A special stopper ring (2) and an elastic stopper ring (12) on shaft press the friction plate (9,11), the friction steel plate (10), the belleville spring (7), the belleville spring holder (8), the adjusting washer (4) and the gear (3) on the shaft (1) of the torque limiter. The friction steel plate (10) is splined with the housing (13) of the torque limiter. The torque limiter, which is simple in structure, can protect the starting motor and the started engine when the starting motor is overloaded or the engine rotates backward.

IPC Classes  ?

• F16D 43/21 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
• F02N 15/08 - Gearing between starting-engines and started enginesEngagement or disengagement thereof the gearing being of friction type
• F16H 35/10 - Arrangements or devices for absorbing overload or preventing damage by overload

Abstract

A torque limiter relates to the field of motorcycle engine and consists of a sleeve (1), a stopper ring (2), a starting carrier gear (3), a friction steel plate (4), a friction plate (5), a spacer pad (6), a belleville spring (7) and an adjusting washer (8). The starting carrier gear (3), the friction plate (5) and the spacer pad (6) are splined with the sleeve (1) respectively. The belleville spring (7) is mounted between the spacer pad (6) and the stopper ring (2). The adjusting washer (8) is mounted between the belleville spring (7) and the stopper ring (2). The torque limiter, which is simple in structure, can cut off power transmission bidirectionally to protect the starting motor and engine when the starting motor is overloaded or the engine rotates backward.

IPC Classes  ?

• F16D 43/21 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure with friction members
• F02N 15/08 - Gearing between starting-engines and started enginesEngagement or disengagement thereof the gearing being of friction type
• F16H 35/10 - Arrangements or devices for absorbing overload or preventing damage by overload

Abstract

The application relates to a oil pump set. First pump is comprised of first pump body (8), a outer rotor (1), a inner rotor (2), rollers(4) and second pump body (7). Second pump is comprised of second pump body (7), the outer rotor (1), the inner rotor (2), the rollers(4) and third pump body (6). Third pump is comprised of third pump body (6), the outer rotor (1), the inner rotor (2), the rollers(4) and fourth pump body (5).All the pumps share a common shaft (3), the shaft is connected to a sprocket wheel by a key, and the sprocket wheel is connected to a crankshaft by a chain.

IPC Classes  ?

• F04C 2/10 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member

Abstract

The starting and reverse decompression device of the application relates to the field of engine, a guiding pin (9) and a reset spring (10) are inserted respectively into a corresponding hole in a cam shaft (1), a starting decompression cam (7) aligned with the guiding pin (9) and the reset spring (10) is arranged onto the cam shaft (1), a one-way clutch (4) and a reverse decompression cam (6) connected with a pin (5) are then arranged onto the cam shaft (1), subsequently a washer (3) is arranged, finally a sprocket (2) is tightly fitted, the position of the one-way clutch (4), the pin (5) and the reverse decompression cam (6) is limited by a stopper pin (8) provided on the cylinder cover.

IPC Classes  ?

• F01L 13/08 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during startingModifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for changing compression ratio
• F01L 1/047 - Camshafts

Abstract

A starting decompression device relates to the field of engine. A decompression valve pin (1) and a decompression valve (2) are disposed in the recess of a decompression balance block (4). The decompression valve (2) is inserted into a hole of a decompression disc board (3). The decompression balance block (4) is riveted with the decompression disc board (3) by the pin (6). The decompression valve pin (1), decompression valve (2), decompression disc board (3), decompression balance block (4), decompression spring (5) and pin (6) are fitted on the cam shaft (8) and fixed through a stopper ring (9). The starting compression device, which is simple and compact in structure by using the combination of the decompression balance block (4) and decompression spring (5) which reflect varies of rotation rates in time, can improve the starting performance through reducing the pressure of the cylinder and the resistance of the starting when it is disposed on the cam shaft of the engine.

IPC Classes  ?

• F01L 13/08 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for decompression, e.g. during startingModifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for changing compression ratio

Abstract

A gear shifting device is provided for motorcycle, in which a gear shifting shaft is connected to a gear shifting panel. A lining is fixed on the shaft, and a torsion spring is provided on the lining. One end of the torsion spring is fixed on the panel. A shifting fork is connected to a fork shaft by welding. A contact screw is connected to the fork shaft on the top of which a contact tip is fixed. The contact screw is provided between the torsion spring and the shifting panel.

IPC Classes  ?

• B62M 25/02 - Actuators for gearing speed-change mechanisms specially adapted for cycles with mechanical transmitting systems, e.g. cables, levers

Abstract

A hydraulically actuated multi-disc clutch assembly includes a clutch drum, a clutch piston, a check valve, O-rings, a wavy spring, steel plates, friction discs, a stop ring, a friction hub, a return spring, a return spring seat, and a snap ring. The check valve is installed in the clutch piston. The clutch piston is positioned on the bottom of the clutch drum. The return spring is fixed on the spring seat. The wavy spring is located within a groove on the face of the clutch piston. The stop ring is secured into an annular groove on the clutch drum. The steel plates are joined to the clutch drum. The clutch assembly is mounted on a shaft. A gear is supported on a needle bearing. The clutch assembly has unique structure and is directly mounted in the crankcase of engine. The wavy spring provides cushion function during engage. The clutch piston can compensate clearance automatically.

IPC Classes  ?

• F16D 25/0635 - Fluid-actuated clutches in which the fluid actuates a piston incorporated in the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs

Abstract

A secondary intake valve with multiple connection opening is used to an engine for motorcycle, particularly is mounted outside the internal combustion engine, at least two connection opening are provided in the cover of the secondary intake valve. A negative pressure opening connected to a carburetor or an air intake (1) connected to a cylinder head, an exhaust port (2) connected to a cylinder head, and a connection opening (3) connected to a filter are provided in the valve.

IPC Classes  ?

• F01N 5/00 - Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
• F02M 23/00 - Apparatus for adding secondary air to fuel-air mixture

Abstract

A damping output-shaft device of engine is disclosed, which consists of an output shaft (1) of engine, blocking nut (2), bearing (3), plug screw (4), bevel gear (5), force-transmission dog (6), spring holder (8), spring (9) and bearing block (10). The bevel gear (5) is sleeved freely around the output shaft (1), the force-transmission dog (6) is connected with the output shaft (1) through a spline, the spring holder (8) is mounted on the output shaft (1), the spring (9) is provided between the force-transmission dog (6) and the spring holder (8), and the end face cam of the force-transmission dog (6) contacts with the inside end face cam of the bevel gear (5).

IPC Classes  ?

• B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
• B62M 21/00 - Transmissions characterised by use of resilient elements therein
• B62M 23/00 - Transmissions characterised by use of other elementsOther transmissions
• F16D 7/00 - Slip couplings, e.g. slipping on overload, for absorbing shock
• F16D 43/202 - Internally controlled automatic clutches actuated entirely mechanically controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure of the ratchet type