788results 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.

The invention relates to the technical field of hub machining, in particular to a hub blank process control system and method.The hub blank process control system comprises a temperature measuring assembly used for sequentially detecting the surface temperature of rims of N hub blanks, and N is a positive integer larger than 1; the heating equipment is used for heating the rim when the surface temperature of the rim is lower than the target temperature; the spinning equipment is used for spinning the rim when the surface temperature of the rim is greater than or equal to the target temperature; the manipulator is used for taking and placing the hub blank from the heating equipment or the spinning equipment; and the control device is configured to control the sum of the time of heating the rim of the (i + 1) th hub blank by the heating equipment and the time of taking and placing the hub blank by the manipulator to be smaller than or equal to the rhythm of spinning the rim of the ith hub blank by the spinning equipment. The surface temperature and the heating time of the rim of the hub blank can be accurately controlled, energy is saved to the maximum extent, consumption is reduced, and preheating energy consumption is reduced.

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 utility model relates to a flexible rim, a half-height rim hub and an assembly of the flexible rim and the half-height rim hub. The vertical edge structure of the flexible rim is provided with a special wall thickness and a convex inverted buckle structure, and can extend to a tire bead seat; the half-height rim is provided with a groove back-off and knurling structure; the flexible wheel flange and the hub assembly are matched in an inverted buckling mode and fixed through adhesive, the flexible wheel flange is made of specific components such as TPEE, and the material cost is low. The half-height rim is provided with the hollow structure through extrusion molding and then is welded into the closed ring, the production efficiency is high, and the production cost is low. According to the utility model, the reverse buckle is used for preventing falling off, increasing friction, buffering impact through a hollow structure, protecting the rim through a specific material, and ensuring braking safety through knurling; the flexible rim is good in color and luster, good in texture and more beautiful in appearance; meanwhile, after the tire is inflated, the assembly meets the GB / T 3487 boundary dimension standard, and popularization is convenient.

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.

A wheel component for bicycles, comprising a straight spoke (10) with a center piece (11) and two end pieces (20, 30) for detachably connecting a hub (108) to a rim (109). At least one of the end pieces (30) comprises a threaded portion (31). The threaded portion (31) is formed integrally with the end piece (20, 30). The spoke is designed without loops and eyelets. The spoke can be supported on a hub (108) and a rim (109) by means of the end pieces (20). The spoke (10) is made of a fiber composite material (2) and comprises a matrix material (3) and reinforcing elements (4) embedded therein. The end pieces (20, 30) are formed integrally with the center piece (11) and each form an end (16, 17) of the spoke (10).At least some of the reinforcing elements (4) are formed as long fibers (5) and extend completely through the central piece (11) and over at least a substantial portion of each of the two end pieces (20, 30). At least one end piece (20, 30) has a cross-sectional area (25, 35) with long fibers (5) embedded therein as reinforcing elements (4) and at least one cross-sectional section (26, 36) without any long fibers (5) embedded therein.

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.

A bicycle wheel comprises a rim including a radially inner portion disposed along an inner circumference of the rim, a first sidewall, and a second sidewall spaced apart from the first sidewall. The first sidewall and the second sidewall extends radially outward from the radially inner portion. A radially outer tire engaging portion is disposed along an outer circumference of the rim. A receptacle is within the radially inner portion. A sensor device comprises a housing disposed within the receptacle such that a portion of the housing forms part of the radially inner portion of the rim and a pressure sensor supported by the housing. An air valve extends through and is supported by the housing. The pressure sensor is fluidly connected to a volume between a first tire retaining portion and a second tire retaining portion of the radially outer tire engaging portion such that the pressure sensor is configured to determine a pressure of a fluid within the volume. The wheel includes a hub attachable to a bicycle frame and a plurality of spokes arranged between the hub and the rim.

The stamping device comprises a pedestal, a bearing frame and an automatic pressing and locking mechanism, a main moving frame is arranged on a guide rod in the bearing frame through driving of a first hydraulic cylinder to horizontally slide in a reciprocating mode, and an auxiliary moving frame is arranged in the middle of the main moving frame through driving of a second hydraulic cylinder to vertically slide in a reciprocating mode; the automatic pressing and locking mechanism drives the top mold fixed on the automatic pressing and locking mechanism to form a rotating structure on the transverse frame body in the auxiliary moving frame, and the automatic pressing and locking mechanism is matched with the top mold to automatically pick and fix a spoke center opening in the hub casting part in a pressing and locking mode and drives the hub casting part to be directly in butt joint with the bottom mold to be positioned and fixed in the discharging process. According to the stamping device for casting post-processing, the hub casting is automatically picked up and fixed in a pressing and locking mode, rim deformation or scratching in the hub casting is avoided, in addition, when the rim is pushed and demolded, spoke lifting and demolding are synchronously conducted, and it is guaranteed that the rim and the spoke are evenly stressed in the demolding process.

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 utility model relates to the technical field of tunnel engineering, in particular to a shield tunneling machine trolley rubber coating wheel structure which comprises a wheel assembly, the wheel assembly comprises a wheel body and a wheel box, the wheel box comprises a base frame, a wheel shaft, two limiting rings and two installation plates fixed to the two ends of the base frame respectively, and the wheel shaft is connected between the two installation plates. The wheel body is rotatably arranged on the wheel shaft in a sleeved mode, the rubber rings are arranged on the wheel body side by side in a sleeved mode, the two limiting rings are detachably fixed to the two ends of the wheel body and block the rubber rings, and deformation spaces used for containing the compression deformation amount of the rubber rings are formed between the limiting rings and the rubber rings. The shield machine trolley solves the technical problems that rubber wheels of a shield machine trolley in the prior art are prone to stripping and rubber rings fall off, reduces damage of the rubber coating wheels, prolongs the service life of the rubber coating wheels, achieves the rotating obstacle crossing function of the front rubber coating wheel and the rear rubber coating wheel through a semi-hinged structure of the hinged seat and the hinged arc plate, and improves the engineering adaptability of a walking mechanism.

An aerodynamic bicycle rim comprising: a circumferential outer portion comprising a circumferential outer surface, the circumferential outer portion adapted to seat a bicycle tire; a nose; and a set of sidewalls, each sidewall extending radially from the nose of the aerodynamic bicycle rim to a corresponding transition to the circumferential outer surface to form a rim body having a maximum rim body width that is greater than a maximum width of the bicycle tire. The aerodynamic bicycle rim is operable to seat the bicycle tire so that the aerodynamic bicycle rim and the bicycle tire form an asymmetrical cross-sectional shape.

A wheel (1) for vehicles comprising a rim (2) made of metal sheet and a disc (3) made of metal sheet, comprising a substantially flat central mounting part (31a) and provided for connection to an axle hub, a connecting part (31b) arranged around and adjoining the mounting part (31a), a radially outer part (31c) arranged around and adjoining the connecting part (31b), and a peripheral fitting part (32) protruding axially from the radially outer part (31c), wherein the fitting part (32) of the disc (3) is fixed to a radially inner surface of the rim (2), wherein the connecting part (31b) comprises a radially outer polygonal bend (31b') and a radially inner polygonal bend (31b") located respectively at a disc nose (31e) and at an intermediate position between the mounting part (31a) and the radially outer bend (31b').

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 utility model discloses an anti-theft high-strength wear-resistant hub, which relates to the technical field of automobile hubs, and comprises a rim body and a spoke body, the side end part of the spoke body is rotatably provided with a thread bushing, the side end part of the thread bushing is rotatably provided with a lantern ring, the side end part of the thread bushing is slidably provided with a butt-joint sleeve, and the butt-joint sleeve is provided with an anti-theft bolt. A mounting ring is rotatably mounted on the surface of the butt joint sleeve, the edge of a tire is clamped into a groove of the rim body through a tire mounting tool, the rim with the tire is aligned to the mounting position of an axle, a tire bolt is mounted and manually tightened, the butt joint sleeve and the threaded sleeve are moved, the tail end of the threaded sleeve is inserted into the side end of the spoke body, and the tire is mounted on the rim body. Meanwhile, reinforcing strips are installed on the outer side of the spoke body, a plurality of supporting plates are installed on the inner side of the rim body, and the supporting plates are aligned with the side ends of the spoke body one by one and are evenly distributed and installed, so that the inner side of the rim body is reinforced, and the structural strength of the rim body is improved.

A spokeless hollow hub wheel, characterized in that it comprises a front wheelset assembly and a rear wheelset assembly, wherein the front wheelset assembly and the rear wheelset assembly both comprise a tire, a rim assembly and a hub assembly; wherein the rim assembly comprises a rim, with the tire mounted on an outer edge of the rim; wherein the hub assembly comprises a left hub assembly and a right hub assembly, the left hub assembly comprising a left hub and a left bearing that are mated with each other, while the right hub assembly comprises a right hub and a right bearing that are mated with each other, the left hub and the right hub having a spokeless, hollow, annular structure, the left hub and the right hub being cooperatively connected to each other and cooperatively secured to an inner edge of the rim by the left bearing and the right bearing, respectively; where, assuming the left bearing and the right bearing, the left hub and the right hub serve as a fastening part of the wheel, and the tire and the rim assembly serve as a rotating part of the wheel.

The utility model relates to the technical field of electric vehicles, and discloses an electric vehicle hub unit which comprises a hub body, auxiliary hub rings are fixedly connected to the front end and the rear end of the hub body, a reserved groove is formed in the hub body, a reinforcing disc is installed at the front end of the reserved groove, reinforcing spokes are fixedly welded to the outer portion of the reinforcing disc, and the reinforcing spokes are fixedly welded to the outer portion of the hub body. And the reinforcing spoke is installed on the hub body in a welded mode, a protection plate is installed at the front end of the reinforcing disc, and reinforcing bolts are installed at the four corners of the protection plate. According to the electric vehicle hub unit, external objects can be prevented from directly rubbing the supporting assembly in the hub through the protection plate, the overall wear-resisting effect can be improved through the wear-resisting coating on the protection plate, the overall supporting and protecting effect can be improved through the protection supporting plate, the protection supporting ring and the reinforcing ring on the inner side of the protection plate, and overall friction to the hub body is reduced; and the protection plate can be regularly detached and replaced, so that the efficient wear-resistant protection effect is ensured, and the problem of poor wear-resistant protection effect is solved.

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.