521results about "Rims" patented technology

The invention discloses an aluminum alloy hub spinning die cooling device and method, and relates to the technical field of hub machining. The device comprises a bottom plate, a double-rotor linear motor module is fixedly connected to the top of the bottom plate, supporting frames are fixedly connected to the tops of the two driving ends of the double-rotor linear motor module, and adjusters are fixedly connected to the side faces of the supporting frames. Through cooperation of the roller, the rotating notch ring, the adjusting block, the supporting J-shaped block, the supporting sliding block, the elastic roller, the pressure meter and the plug pin, when the surface of the roller cracks or peels off, the elastic roller can drive the supporting sliding block to apply pressure to the detection end of the pressure meter, and whether the surface of the roller cracks or peels off or not can be obtained by observing the numerical value of the pressure meter; therefore, the situation that the size and the shape of a hub deviate due to uneven pressure distribution on a hub blank caused by an irregular contact surface generated by cracks or peeling of the surface of the roller and the hub is avoided.

The invention discloses a bicycle rim and a manufacturing method thereof.The bicycle rim comprises an annular rim body, and the rim body comprises a U-shaped supporting part, a connecting part connected with the two ends of the supporting part and two bead beads arranged at the two ends of the outer side of the connecting part respectively; a semi-closed tire groove used for installing a tire is defined by the connecting part and the two tire beads, the width of each tire bead is 5-10 mm, and the tire beads are provided with lightening holes. According to the bicycle rim and the manufacturing method thereof, the width of the bead of the rim is increased, so that riding resistance can be reduced for a road ring, wind resistance can be reduced for a mountain ring, and the problem of tire biting can be effectively reduced; the lightening holes are formed in the bead position, so that the width of the bead is increased, and the self weight of the rim is basically unchanged; the hollow pipe is pre-buried in the bead and integrally formed with the rim, the lightening hole structure is obtained, the conception is ingenious, and the problem that the dead weight of an existing bicycle rim is increased due to the fact that the bead width is increased is effectively solved.

The utility model discloses a carbon fiber composite reinforced electric automobile hub which comprises a hub body, the hub body comprises a rim, the left side and the right side of the rim are respectively provided with a front wheel flange and a rear wheel flange, and the front wheel flange and the rear wheel flange are respectively provided with a wheel flange groove. Grid patterns are pressed in the rim groove, and a composite layer integrally formed with the hub body is arranged in the rim groove. The composite layer comprises gridding cloth and liquid glue, and the surface of the composite layer is flush with the surface of the rim; a plurality of strip-shaped grooves which are uniformly and annularly distributed are formed in the front surface of the hub body, and two polygonal grooves which are symmetrically formed are formed between any two strip-shaped grooves; the polygonal grooves are evenly and annularly distributed along the hub body and are arranged in a bilateral symmetry mode. The rim groove is formed in the rim of the hub body, and the composite layer integrally formed with the hub body is arranged in the rim groove, so that the structural strength is higher; and a plurality of grooves are formed in the hub body, so that the overall mass is lighter.

A bicycle includes a frame, a seat, and at least one wheel rim. The rim includes a main body, and a first flange and a second flange extending from the main body for supporting a tire. A ratio of a first flange width to a flange spacing is at least 0.14. A ratio of an inner corner radius to the first flange width is preferably at most 0.5. A ratio of the first flange width to a first flange height is at least 0.75. The main body includes a cavity having a radial projection that is spaced from a radial projection of the first flange projection by a gap that is at least 10% of the first flange width. The main body further includes a nose section and a first sidewall connecting the nose section to the first flange, wherein the first sidewall includes a first concave outer surface.

The invention relates to automatic feeding and rolling preforming equipment for friction ring production, which comprises a bearing frame body and a conveying mechanism arranged on the surface of the bearing frame body, a profile forming mechanism formed in a rolling mode is further arranged on the outer side of the bearing frame body, and a profile traction mechanism is further arranged on the bearing frame body. A roller in the sectional material traction mechanism is used for pulling and pushing the sectional material conveyed by the conveying mechanism into the sectional material forming mechanism; the problem that automatic and continuous machining of long profiles is difficult to achieve in the friction ring production process is solved. By integrating the conveying mechanism, the traction mechanism and the forming mechanism, the problems that in a traditional mode, manual intervention is much, the positioning precision is poor, the surface is prone to being scratched, and section bars of different specifications cannot be flexibly adapted are solved, and efficient, precise and integrated operation in the whole process from feeding to edge rolling preforming is achieved.

The application discloses a hollow noise-reducing light-weight hub and a hub mold, which comprise a rim and spokes, the rim is provided with an outer window and a gas port, a hollow cavity is arranged in the rim, the hollow cavity is provided with a first aperture at the outer window and a second aperture at the gas port, and a third aperture is arranged on the back side of the spoke; the above structure makes the wall thickness of the rim uniform, casting defects are not easy to occur, noise can be reduced, the hub can be lightened, and the weight of the hub is lighter than that of an existing hub; the mold comprises a lower mold, a sand core and an upper mold; the lower mold is provided with a boss portion and a groove portion, the boss portion is provided with a first recess and a second recess; the main body of the sand core is provided with a first convex portion and a second convex portion; the upper mold is press-fitted on the sand core, the bottom of the upper mold is provided with an arc pressing portion, the arc pressing portion is arranged above the groove portion, the arc pressing portion is in contact with the top surface of the boss portion, the lower mold, the sand core and the upper mold are assembled and fixed, and product casting is completed.

Sensor modules mountable on a wheel are described with methods of use. A sensor module for a wheel includes a base module mountable to a rim. The sensor module further includes a first set of piezoelectric sensors coupled to the base module at a first side and a second set of piezoelectric sensors coupled to the base module at a second side. A method includes receiving a first force from a tire on a piezoelectric sensor mounted on a rim, the force resulting from an inflation of the tire and causing a first strain on the sensor. The method further includes receiving a second force on the sensor corresponding to a deformation of the tire due to surface contact, where the second force causes a second strain. The method also includes generating wheel data from electrical signals produced by the sensor; and transmitting the wheel data to a remote device.

A bicycle wheel assembly structure includes an annular rim, a hub, nipples, and spokes. The annular rim includes multiple rim penetration sections, each of which includes a rim-side limiting part on a circumference. The hub is arranged at the center of the annular rim. The hub includes multiple hub penetration sections. The rim-side limiting part and the nipple limiting part, and also the hub-side limiting part and the spoke limiting part, are all made in a hexagonal pyramid form with apex truncated to form a planar surface and including bevel facets so as to provide an anti-sliding effect resulting from geometric constraint and high static friction at both the annular rim-side and the hub-side. The angle of the hexagonal pyramid of the nipple limiting part is 60°, 90°, or 120°, and an optimum arrangement can be made based on the material elongation of the spokes and the desired tension.

The utility model relates to the technical field of automobile accessories, in particular to a steel-aluminum wheel which comprises a rim, a spoke and a fixing piece. The spoke is provided with a connecting part, the connecting part is arranged between the spoke and the rim, the connecting part is provided with a connecting groove, a connecting ring is correspondingly installed on a rim of the rim, and the connecting ring is assembled in the connecting groove. And the fixing piece sequentially penetrates through the rim and the connecting part so as to fix the rim and the spoke. According to the steel-aluminum wheel, a connecting piece does not need to be embedded in the aluminum spoke, the connecting structure that the connecting ring is in interference fit with the connecting groove is more stable, and the fixing piece sequentially penetrates through the rim and the connecting part to fix the rim and the connecting part, so that the situation that the service life of a welding seam area is short is prevented, the effect of improving the product quality is achieved, and the production cost is reduced. The wheel performance can be effectively improved; and the service life of the wheel is prolonged.

The present disclosure discloses a carbon fiber bicycle rim and a manufacturing method thereof. The carbon fiber bicycle rim comprises a ring-shaped rim body, which is integrally formed from carbon fiber. The rim body comprises an outer ring wall, an inner ring wall, and two side walls that connect the outer ring wall with the inner ring wall. The outer ring wall has an outer side that forms a semi-closed tire groove and an inner side that encloses together with the inner ring wall and the side walls to form a closed cavity. Connecting portions are arranged in the cavity. The connecting portions have one end that is connected to the outer ring wall and the other end that is connected to the side walls. The connecting portions enclose together with the outer ring wall and the side walls to form hollow channels.

The present application relates to the technical field of automobile wheel hub die, in particular to a wheel hub spinning die, comprising: a lower die assembly and a pressing plate (9) for pressing a wheel hub casting on the lower die assembly; the pressing plate (9) has a spoke top pressing surface for pressing spokes in the wheel hub casting. The present application provides a wheel hub spinning die which can press the casting and will not cause deformation of the spokes of the casting.

The present invention relates to a wheel assembly comprising a rim mounting seat (1) and a drive shaft (2) connected coaxially, a support (3) having a first mounting hole, a bearing (4), a first and a second sealing element (5, 6), at least a portion of the drive shaft and the rim mounting seat being disposed in the first mounting hole; the first and second sealing elements and the bearing are disposed successively along an axial direction of the drive shaft, and the first sealing element and the bearing are press-fitted between an outer peripheral surface of the rim mounting seat and an inner wall surface of the first mounting hole, and the second sealing element is press-fitted between an outer peripheral surface of the drive shaft and the inner wall surface of the first mounting hole. Abbreviated figure: Figure 1

The present disclosure discloses a carbon fiber bicycle rim and a manufacturing method thereof. The carbon fiber bicycle rim comprises a ring-shaped rim body, which is integrally formed from carbon fiber. The rim body comprises an outer ring wall, an inner ring wall, and two side walls that connect the outer ring wall with the inner ring wall. The outer ring wall has an outer side that forms a semi-closed tire groove and an inner side that encloses together with the inner ring wall and the side walls to form a closed cavity. Connecting portions are arranged in the cavity. The connecting portions have one end that is connected to the outer ring wall and the other end that is connected to the side walls. The connecting portions enclose together with the outer ring wall and the side walls to form hollow channels.

The invention relates to a rim for a vehicle wheel, having an inner and an outer rim flange 29,21, an inner and an outer rim shoulder 28, 22, a rim well 23 with well base 24, inner well flank 26 and an outer well flank 24, a transition section 27 and an inner hump 30 with a hump peak. The rim is having specific material thickness in the area of the transition section 27. In order to improve wheels in terms of weight minimization and noise development, the transition section 27 comprises at least one stiffening section 35 with a radi- ally offset wall section, the maximum radial offset H1 of which to the adjoining transition section is greater than the material thick- ness T in the transition section 27. The stiffening section 35 has a diameter Dz, Dw, being equal or greater than the diameter DT on the well base 24 and smaller than diameter DH of the hump peak 31.

The utility model belongs to the technical field of rim reinforcement, and particularly relates to a steel wheel rim reinforcer. A steel wheel rim reinforcer comprises a rim, a spoke, a rim seat and a rim, the rim is provided with the reinforcer, and the reinforcer is embedded into the rim; the outer end protrusions are tightly matched with the inner grooves of the rim, the inner end protrusions are tightly matched with the limiting grooves, and therefore the strength and stability of the rim are further improved. After the reinforcer is embedded into the rim, the radial strength and the axial strength of the rim flange of the rim are improved, the depth of the limiting groove of the rim is increased by 0.5-0.8 mm, and the wheel cover clamping jaw can be effectively prevented from being disengaged.

The invention belongs to the technical field of hubs, and particularly relates to a motor hub structure for an electric vehicle and a manufacturing method.The motor hub structure comprises an inner ring body welded in a rim, an embedded annular groove is formed in the outer side face of the inner ring body, and an embedded protruding ring matched with the embedded annular groove is arranged at the middle end of the rim in an inward protruding mode; end cover connecting holes are formed in the two ends of the inner ring body respectively, and an air nozzle mounting hole is formed in the rim. According to the motor hub structure for the electric vehicle and the manufacturing method, the structure is reasonable, the hub and the inner ring body are combined, the diameter of the inner ring body can be increased, and a large hub motor can be contained.

The utility model discloses a rim with a protective structure, and relates to the technical field of rims. The wheel rim comprises a wheel rim ring body, a positioning clamping groove is formed in the inner wall of the wheel rim ring body, a side edge protection assembly is inserted into the wheel rim ring body and the positioning clamping groove, and fixing assemblies are arranged on the end face of the side edge protection assembly and the inner wall of the wheel rim ring body and used for fixedly connecting the wheel rim ring body and the side edge protection assembly. According to the wheel rim, the side edge protection assemblies are connected with the interior of the wheel rim ring body and the positioning clamping grooves in the inner wall of the wheel rim ring body in an inserted mode, so that the side edge protection assemblies are installed on the outer side of the end face of the front side of the wheel rim ring body, and the side edge protection assemblies and the wheel rim ring body are fixed through the fixing assemblies; the side edge protection assembly is fixedly installed on the front side end face of the rim ring body, the side face of the tire can be effectively protected through the side edge protection assembly, and the safety of the side face of the tire is improved.

The utility model relates to an automobile hub damping device which comprises a rim, a positioning ring is connected to the outer side of a spoke plate of the rim, a plurality of cavity pipes are connected to the peripheral side of the positioning ring, first-stage damping parts are arranged in the cavity pipes, and second-stage damping parts are arranged at the ends of the cavity pipes. The first-stage damping piece comprises an internal thread part, an external thread part, a supporting rod and a positioning hole sound insulation pad. The utility model relates to the technical field of hub damping. When the automobile hub damping device is used, under the cooperation of the first-stage damping piece and the second-stage damping piece, the stability of a tire made of the hub in the using process is improved, vibration borne by a bumpy road section is reduced, meanwhile, noise generated in the driving process can be reduced, and the service life of the tire is prolonged. And the driving comfort is improved while the stability is improved.

The utility model belongs to the technical field of automobile parts, and particularly relates to a special wheel structure which comprises a rim, the rim comprises a tire bead seat and a rim flange, the tire bead seat comprises a tire bead left section, a tire bead middle section and a tire bead right section which are the same in diameter, the tire bead left section and the tire bead middle section are annular, and the tire bead right section is a hollow cylinder with the right side open. The left tire bead section, the middle tire bead section and the right tire bead section are coaxially, sequentially and fixedly connected, the wheel flanges comprise the first wheel flange and the second wheel flange, the left side of an outer ring of the left tire bead section is fixedly connected with the first wheel flange, a through hole is formed in the side wall of the middle tire bead section, the right side of an outer ring of the right tire bead section is fixedly connected with the second wheel flange, and first screw holes and second screw holes are evenly distributed in the right side face of the right tire bead section. According to the device, the processing difficulty is reduced; the rim is not easy to cause the conditions of flange wrinkles and cracks; the requirement of the welding procedure on the material performance of the raw materials of the product is not high; the problem that the surface cannot be sprayed is avoided, and corrosion of the rim caused by accumulated water can be avoided.

Pneumatic tire (12) with at least one damping element (8), wherein the at least one damping element (8) is located in an interior space (13) of the pneumatic tire (12) on an inner surface (7) of the tire opposite a tread (1) of the pneumatic tire (12), and wherein the at least one damping element (8) is at least partially made of a porous material and is designed to reduce noise, and wherein the at least one damping element (8) is bonded to the inner surface (7) of the tire, and wherein the pneumatic tire (12) is rotatable about an axis of rotation (R) in a direction of rotation (U), and wherein the at least one damping element (8) has at least one sound-interacting surface (18) and a maximum width (B) and a maximum height (H), wherein the maximum width (B) of the at least one damping element (8) is an extension of the at least one damping element (8).which extends perpendicular to the longitudinal axis (14) of the at least one damping element (8) and preferably parallel to the axis of rotation (R) of the pneumatic tire (12), and wherein a maximum height (H) of the at least one damping element (8) is such an extension of the at least one damping element (8) that extends perpendicular to the longitudinal axis (14) of the at least one damping element (8) and parallel to a radius of the pneumatic tire (12) and perpendicular to the axis of rotation (R) of the pneumatic tire (12), wherein the at least one sound-interacting surface (18) of the at least one damping element (8) is designed as a wave-shaped sound-interacting surface (18) according to at least one waveform, wherein the waveform follows a non-periodic function or a random pattern, in particular a random pattern based on a binary number sequence or a binary matrix, characterized in thatthat the waveform follows a damped function,

Bicycle rim (50) and method for manufacturing a bicycle rim (50) and bicycle rim (50), wherein the bicycle rim (50) comprises a rim body (1) with at least one cavity (2) integrated therein. The cavity (2) is enclosed all around by a surrounding component wall (4). The rim body (1) extends in a rim plane (52) over a circumference of 360° transverse to its axis of rotation (53). The cavity (2) forms a hollow chamber (3) in the rim body (1). Several component walls (4) are formed, wherein the component walls comprise two lateral rim flanks (54, 55), a radially inner rim base (55), and a radially outer rim bed (56), which delimit the hollow chamber (3). A supporting structure (5) of the rim body (1) is formed by at least one fiber structure (11-14).To produce the fiber structure (11-14), a fiber bundle (15) is attached to a carrier layer (20) with thread elements (19) and guided back and forth on the carrier layer (20) to form a base fiber layer (21) of the fiber structure (11-14). The fiber structure (11-14) is draped in a mold (40). A filling unit (55) is placed in the mold (40) so that the filling unit (45) maintains the volume for the cavity (2) and the cavity (2) is surrounded by the component wall (4).

A drive for a wheel-driven vehicle, includes a planetary gear system which includes a sun gear, a ring gear, a planet carrier, and planet gears carried by the planet carrier and meshing with the sun gear and the ring gear. The drive includes an electric motor for driving the sun gear and a wheel which is non-rotatably connected to the ring gear. The drive further includes an electromechanical brake for braking the sun gear and / or a drive shaft of the electric motor. The sun gear is arranged between the brake and the electric motor and / or the brake is being accommodated by an axial cut-out of the planetary gear system.

The application discloses a rim pressing block, which comprises a base, a first supporting convex part, a second supporting convex part and an extension part, wherein the first supporting convex part, the second supporting convex part and the extension part are arranged on the front surface of the base, the second supporting convex part is arranged above the first supporting convex part, the extension part is arranged above the second supporting convex part, a through hole is arranged between the first supporting convex part and the second supporting convex part, and the extension length of the extension part is greater than the height of the first supporting convex part and the second supporting convex part. The application further discloses a mine truck wheel and a locking ring limiting method. When the locking ring has a tendency to pop out of the groove of the rim body, the extension part of the rim pressing block limits the locking ring from the outside to prevent the locking ring from popping out of the groove of the rim body.

The utility model relates to a kind of automobile wheel hub section steels, belong to automobile parts field, including section steel body one end is equipped with first bending part, the other end is equipped with second bending part, middle part is connecting part, connecting part one end is equipped with first bending part, first bending part is bent and extends to section steel body one side, the other end of connecting part is equipped with second bending part, two bending parts are bent and extend to the other side of section steel body;Section steel body further includes positioning guide structure, shock-absorbing buffer structure, strength reinforcing structure, heat dissipation structure and anticorrosion reinforcing layer;The utility model realizes wheel hub assembly accurate assembly, cooperate built-in elastic shock-absorbing cavity effectively absorbs road impact, prolongs wheel hub fatigue life, the utility model's structure integrated positioning, shock-absorbing, strengthening, heat dissipation and anticorrosion function, comprehensively optimizes wheel hub comprehensive performance, improves vehicle driving safety and durability.

A motor vehicle wheel comprising a rim (2) having an axis of rotation, and a hubcap (4) covering the outer face of this rim (2), a first element comprising the rim (2) and the hubcap (4) having on the contour of its face facing the second element several tangentially oriented grooves (16), the second element having several tabs (22) each fitting into a groove (16) by axial rotation, and the hubcap (4) having a device for locking it against rotation about the axis. Figure 2

The utility model relates to the technical field of bicycle structures, in particular to a structure-enhanced magnesium alloy hub which comprises a hub body, a connected rib and a bearing seat, the bearing seat is arranged in the center of the interior of the hub body, and the hub body is connected with the bearing seat through the connected rib; the cross sections of the connected ribs are rectangular, and the plurality of connected ribs are wound at intervals by taking the bearing seat as the circle center; a mounting ring is arranged on the bearing seat, and a reinforcing ring is arranged on the reinforcing ring. According to the hub, the connecting ribs with the rectangular cross sections are used as the connecting pieces between the hub body and the bearing seat to replace original spokes, so that the tensile strength and the stability between the hub body and the bearing seat are improved, the safety of the hub is enhanced, the reinforcing ring for reinforcing the bearing rotating shaft is arranged on the bearing seat, and the service life of the hub is prolonged. And the bearing is more stably mounted, so that the connection stability between the bearing and the axle is improved when the bicycle is ridden on a bumpy road surface.

The invention relates to a rim (1) for a bicycle or a vehicle powered at least partially by muscle power, comprising a rim bed component (2), wherein two rim walls (4) extend radially inwards from the rim bed component (2) to form a closed cross-section of the rim (1) by means of an abutting or an interposed component in the area of ​​the rim base (5), wherein a rib component (3) is provided inside the rim (1) between the rim bed component (2) and the rim base (5), wherein the rib component (3) is attached to the rim bed component (2) and to the rim base (5), but bears against the rim wall (4) for less than 30% of the length of a rim wall (4), measured from the rim bed component (2) to the rim base (5). The invention also relates to a wheel with such a rim and a manufacturing method for such a wheel.

The utility model discloses a firm-connection split rim, which comprises a lower rim and an upper rim, an extension ring is arranged on the outer side of the lower rim, a guide groove is arranged on the inner wall of the extension ring along the height direction of the extension ring, a guide strip is arranged on the outer wall of the upper rim, and the outer wall of the upper rim is inserted into the extension ring. The extending ring is arranged on the outer side of the lower rim, after the lower rim is installed on one side of the tire, the end face of the extending ring can extend to the other side of the tire, accurate butt joint of the upper rim is achieved through matching of the guide strips and the guide grooves, the positions of flange holes of the lower flange and the upper flange correspond accurately, and bolts can penetrate through the flange holes smoothly and be fixed conveniently. Meanwhile, the insertion direction of the upper rim can be limited, it is guaranteed that the upper rim moves in the vertical direction all the time, and more accurate butt joint is guaranteed.