35results about How to "Smooth torque transmission" patented technology

The present invention provides a wheel bearing device, a method of assembling the wheel bearing device, an assembly configured by the wheel bearing device and a drive shaft, and a method of assembling the assembly, in which the wheel bearing device eliminates a nut tightening operation, is capable of reducing costs, and has a projection and recess mating structure that can firmly connect an outerjoint member and a hub. Axial direction load is applied to a stepped surface 56 provided on an outer diameter surface of an outer joint member. A projection that extends in the axial direction and isprovided on one of a stem shaft 9b of the outer joint member and an inner diameter surface of a hole section 29 of a hub 4 is press-fitted into a partner member along the axial direction, As a result, a recess that is in close contact with the projection over an overall mating contact area 45 is formed in the partner member, thereby configuring a projection and recess mating structure M.

Provided are a bearing device for a wheel, in which circumferential play is reduced, which provides excellent workability in connection between a hub ring and an outer joint member of a constant velocity universal joint, in which fitting between the hub ring and the outer joint member of the constant velocity universal joint is stable, and which has excellent strength, and an axle module using the bearing device. An axially extending projection is formed on either of the outer diameter surface of a shaft section of the outer joint member and the inner diameter surface of a hole of the hub ring. The projection is press-fitted to the other in the axial direction to form a recess in the other by the press-fitting. By this, a recess / projection fit structure is formed, in which the entire regions of those portions of the projection and the recess at which they are fitted to each other are in intimate contact with each other. The hardness of at least that portion of the projection at which the press-fit starts is higher than that of a portion where the recess is formed. The difference in hardness in HRC is 20 or more.

The invention relates to a clutch (1) for a motor vehicle comprising an interface part (2) drivable by an internal combustion engine, a counter-pressure plate ( 3) and a drive gear ring (6) separate from at least said counter pressure plate (3), said drive gear ring being designed to transmit torque from said interface part (2) to said counter pressure plate (3), Wherein, the driving gear ring (6) is pressed and connected with the counter pressure plate (3). The invention also relates to a drive train comprising a clutch according to the invention and an interface part designed as a dual mass flywheel. The invention also relates to a method for assembling a clutch according to the invention, characterized in that the drive toothed ring (6) is pressed into the material of the counterplate (3) to produce a form-fit connection.

The invention discloses a coaxial magnetic gear comprising an external rotor, a static magnetic ring and an internal rotor which are lined from outside to inside and share the same axis. The external rotor is a circular magnetic conductor, and external rotor convex poles which are lined with equal spacing are arranged on the inner ring of the external rotor; the static magnetic ring is fixedly arranged between the internal rotor and the external rotor, and comprises permanent magnets and non-permanent magnets which are lined at intervals; internal rotor convex poles are lined on the outer ring of the internal rotor with equal spacing, and internal rotor permanent magnet bodies are arranged on the outer ring of the internal rotor; the internal rotor can be also in other structural forms capable of producing effective N-S magnetic poles; and in order to ensure the normal rotation of the internal rotor and the external rotor, air gaps are left between the three parts. Through the convex pole structure of the external rotor, the coaxial magnetic gear enables a static magnetic ring magnetic field to modulate a series of harmonic rotation magnetic fields on an inner air gap side, the number of the polar pairs of the selected internal rotor permanent magnet bodies is the same with that of the pole pairs of a required harmonic magnetic field, and the stable torque transmission is realized by the coupling action of the polar pairs of the selected internal rotor permanent magnet bodies and the pole pairs of a required harmonic magnetic field. The magnetic gear has the characteristics of high torque density, high mechanical strength of the external rotor, and convenience in processing and manufacturing.

A bearing device for a wheel, in which circumferential play is suppressed, which facilitates connection between a hub ring and an outer coupling member, in which a reduction in NVH characteristics dueto play at a joint between the hub ring and the constant velocity universal joint and by play between a bearing outer member and a knuckle is prevented, and which performs highly accurate transmission of rotational torque. The bearing device has a groove-ridge fitting structure (M) by which the hub ring (1) and a shaft section (12) of the outer coupling member of the constant velocity universal joint (3) are integrated together, and the shaft section (12) is fitted in a hole (22) of the hub ring (1). In the groove-ridge fitting structure (M), ridges (35) on the outer diameter surface of the shaft section (12) and grooves (36) in the inner diameter surface (37) of the hub ring (1) are fitted to each other in a fitting contact portion (38), and the ridges (35) and the grooves (36) are in intimate contact with each other in the entire fitting contact portion (38).

Provided is a bearing device for a wheel that can realize prevention of a backlash in a circumferential direction and is excellent in workability of connection of a hub wheel and an outer joint member of a constant velocity universal joint. Further, provided is a bearing device for a wheel that can prevent deterioration in NVH characteristics, which is caused by the backlash occurring in a joint section between the hub wheel and the constant velocity universal joint or between an outer member and a knuckle, and can perform rotation torque transmission with high accuracy. The bearing device includes a recess-projection fitting structure (M) in which the hub wheel (1) and a shaft section (12), which is fitted in a hole (22) of the hub wheel (1) of the outer joint member of the constant velocity universal joint (3) are unitized together. In the recess-projection fitting structure (M), entire fitting regions among projections (35) on the outer surface of the shaft section (12) of the outer joint member and recesses (36), which fit on the projections, are brought into intimate contact with each other.

Provided is a bearing device for a wheel capable of suppressing radial play and allowing firm and easy connection between a hub and an outer ring of a constant velocity universal joint. Axially extending projections (35) are provided on a shaft portion (12) of a joint outer ring (5), and the shaft portion (12) is press-fitted into a hole (22) of a hub (1). Through this press-fitting, recesses (36) held in close fit-engagement with the projections (35) are formed by the projections (35) in an inner diameter surface of the hub (1), forming a recess / projection fit-engagement structure (M) in which the projections (35) and the recesses (36) are held in close contact with each other over an entire fit-engagement region thereof. A press-fitting margin (”d) of the projections (35) with respect to the hub (1) and a height (h) of the projections are set to the following range: 0.3 < ”d / 2h < 0.86.

The present invention relates to lamps for vehicles. An object of the present invention is to improve the reliability of an operation unit for performing dimmer adjustment of a lamp, and to improve the operability of the operation unit. The vehicle lamp includes an operating unit (6) for shaft-driven operation of a bevel gear (50) provided on the lamp (1) for adjusting the optical axis, and the shaft-driving force transmission body (7) of the operating unit (6) includes a shaft The operating rod (71) for driving operation, the driving rod (72) meshed with the bevel gear (50), and the metal wire (73) connecting the operating rod (71) and the driving rod (72) in the shaft driving direction, the driving rod ( 72) Formed with a metal that is hard to rust. The drive rod is formed by metal injection molding. A support member (84) extends between the drive rod (72) and the light fixture.

The invention relates to a combined training device, which belongs to the field of fitness equipment, and in particular to a pedal turntable horse riding combined linkage training device and a horse riding method. The trainer comprises a riding seat (3); the riding seat (3) is divided into two parts: a riding seat plate (9) and a riding housing (10); two pedal circles are arranged at both ends of the upper front end of the frame (2) The disc (4) transmits the input force on the two pedal turntables through a plurality of torque changing devices through the transmission gear train structure, and finally plays the effect of making the saddle board swing. The riding seat plate is installed at the position of the connecting rod of the crank rocker mechanism, which can better simulate the posture of riding a horse, and the real effect is stronger. The power transmission is carried out through the synchronous belt transmission wheel system, the transmission torque is stable, the rotation is not lost, the swing speed is stable, and the transmission efficiency is high.

The invention relates to the technical field of intelligent manufacturing, and discloses a CNC machine tool with a clamping top, including a base, a first bracket, a second bracket, a motor, and a grinding piece. The second bracket is located on the right side of the motor The end of the output shaft of the first bracket is fixedly connected with a shaft sleeve, the left side wall of the first bracket is fixedly connected with a limit column, the right side wall of the shaft sleeve is fixedly connected with a top sleeve, and the center of the top wall of the top sleeve is fixedly connected with a The rotation column, the circumference of the rotation column is fixedly connected with the first protrusion, and the inside of the limiting groove is slidably connected with the permanent magnet. The present invention realizes the clamping of the parts to be processed through the first protrusion on the top, realizes the multi-level switching of the protection mechanism through the centrifugal force changes at different speeds during the processing of the parts, has a high degree of automation, and keeps the torque stable according to the increase of the speed Transmission, to achieve multi-level protection of parts, high processing efficiency, improve the service life of the top, so that the defective rate of the product is effectively reduced.