摘要:
The invention relates to a transmission arrangement, particularly for adjusting devices in motor vehicles, comprising a gear wheel, which is secured against axial displacement on an axis or a shaft by means of securing element. According to the invention, the axis or the shaft is made of plastic. The securing elements comprise at least a molded part, which has at least one axial stop for the direct or indirect support of the gear wheel, and the molded part is secured by means of a screw against axial displacement on the axis or the shaft.
摘要:
A pivotal boat drive having a transmission unit (1) which is driven by a drive engine via a connection point (A). The connection point has an input shaft (11) of a drive device (10) that is rotatably positioned around a first rotational axis (5) and an output shaft (3) that is coupled with the input shaft (11) and rotatable around a second rotational axis (6). The rotational axes (5, 6) are neither parallel nor concentrically positioned with respect to one another. At least one additional connection point (B, C) is provided at the transmission unit (1), at which an additional drive device (20), driven by an additional drive engine, can be positioned to drive the output shaft (3).
摘要:
A right-angle drive having dual shaft bearings is provided. The right-angle drive includes a pair of transmission assemblies that each have a shaft. Each shaft is supported by multiple bearings to enhance the load-bearing capabilities of the transmission assemblies.
摘要:
A reversible sealing mechanism for sealing a bulkhead having a first central aperture defined along a central axis and disposed between first and second compartments includes a cover member having a recess defined therein by a substantially cylindrical sidewall and adapted to cover the first central aperture. A wedge ring having a generally cylindrical body is accommodated by the first and second central apertures and is configured to operatively engage the cover member. A mechanical input is operative to reversibly rotate the wedge ring about the central axis such that a rotation of the wedge ring in a first direction urges the cover member in the axial direction into a sealed position.
摘要:
A transmission ratio variable mechanism includes an input member and an output member arranged to rotate around a first axis, an intermediate member arranged to connect the input member and the output member so as to be differentially rotatable, and a motor arranged to drive the intermediate member. The motor includes a cylindrical rotor arranged to rotate around the first axis. An inner periphery of the rotor is arranged to support the intermediate member and arranged to rotatably support the input member and the output member via bearings, respectively.
摘要:
A transmission ratio variable mechanism includes an input member and an output member, which are rotatable around a first axis, an inner ring arranged to connect the input and output members to each other so as to be differentially rotatable, an outer ring, and a motor. A second axis serving as a center axis of the inner ring and the outer ring is inclined to the first axis. The transmission ratio variable mechanism includes uneven engagement sections including a projection provided on one of each of end surfaces of the inner ring and a power transmission surface corresponding to the end surface, and a recess. The inner ring includes a first member forming the first end surface and a second member forming the second end surface. The first and second members are formed separately from each other and coupled to each other so as to be movable together.
摘要:
The engagement of gearwheels with curvilinear teeth is intended to create small-sized mechanical gears of rotational motion with big gear ratio in one stage. The smaller gearwheel—pinion (16)—has one tooth, having in its face section the shape of circumference (3), eccentrically shifted with respect to the axis OO1 of the gearwheel (16). The curvilinear helical tooth of the gearwheel (16) (helical eccentric) is generated by sequential shifting of the circumference 3 along the axis OO1 and its continuous turning around the axis. The greater gearwheel (17) has helical teeth, generated by turning of the cycloidal curve (5), the teeth are conjugated with the helical surface of the pinion (16). The engagement has a continuous line of contact along the whole length of the tooth, where in each section a circular pin tooth and a cycloid are engaged, having minimum losses for friction. In order to eliminate axial loads, occurring in engagement of helical teeth, the gearwheels (16) and (17) are made herring-bone. The similar eccentrically cycloidal engagement can be implemented by assembled gearwheels. On the basis of the engagement one can design cylindrical gearboxes with parallel shafts, bevel gearboxes with intersecting shafts, and also planetary gears according to David and James schemes, possessing the increased load carrying capacity at smaller overall dimensions.
摘要:
Case parts of an adjustment mechanism for a seat adjustment device of a motor vehicle can be joined together along a parting line via joint surfaces. The joint surfaces are provided for the purpose of reciprocal placement of the case parts by way of a joining process. Contact surfaces of the case parts are present in addition to the joint surfaces The contact surfaces are in non-parallel alignment to the joint surfaces. Transferred gear forces running parallel to at least a section of the joint surfaces are absorbed by the contact surfaces. The case parts are fastened to one another by way of screw connections. The contact surfaces of the one case part are respectively held in position with respect to the contact surfaces of the other case part solely due to the screw connections. With such a case, high loads can be absorbed in spite of a small size.
摘要:
The invention is particularly concerned with providing a drive mechanism to extrude product from containers. In order to reduce the amount of effort which manual operation would entail there is provided a gear wheel 23 meshing with the driven gear through high ratio gearing, the driven gear 25 being associated with a cam 27 about which is located a cam follower 32. The cam follower carries a plunger arranged to move to engage the container 10 and discharge product therefrom.
摘要:
A spur-gear mechanism, especially a bevel spur-gear mechanism, having one or more transmission stages is provided. The transmission stages are accommodated in a gear mechanism housing having two side surfaces and two base surfaces. Guided out of the gear mechanism housing is a drive shaft on which is fixedly secured, beyond a housing, an axial fan wheel. A spacer flange for connection to a motor spacer is formed on the gear mechanism housing. The spacer flange is provided with central openings in an extension of the base surfaces and with lateral openings in an extension of the side surfaces.