35results about "Spoked wheels" patented technology

The utility model discloses: a kind of assembly structure for carbon fiber spoke, including spoke, the spoke is made of carbon fiber material, the both ends of spoke are respectively connected with combination joint, nut joint;The both ends of spoke are engaged with combination joint, nut joint, nut joint is provided with external thread away from spoke one end, combination joint is provided with mounting flange away from spoke one end.The utility model has the advantages compared with prior art in that: provide a kind of assembly structure for carbon fiber spoke, which increases connection strength, reduces weight, prevents loosening.

The utility model relates to spoke and flower hub technical field especially, it relates to a spoke and flower hub's connecting structure, including flower hub and spoke, the spoke disc of flower hub both ends is set up with a plurality of wedge grooves, and the spoke one end is provided with wedge head, and the wedge head inserts into the wedge groove, and the spoke other end is installed with the tire, and the slide sleeve of the spoke is equipped with the limiting assembly, in the utility model, the wedge head of spoke inserts into the wedge groove, and then the deformation of the snap hook in the connecting groove is set into the hook groove, at this time, the limiting assembly is limited to the spoke, and the spoke can be installed on the flower hub without special tool, and it is extremely convenient.

This utility model discloses a high-compression-resistant steel automotive wheel hub, comprising a rim, spokes, and a center disc from the outside in. The rim has a ring structure with symmetrical inner and outer sides. The edge of the rim has a multi-step structure. One end of the spoke is welded to the side wall of the center disc, and the other end of the spoke is engaged with and welded to the multi-step structure. The spokes have a streamlined structure with supporting columns protruding to both sides in the middle. In this application, by casting the steel spokes into a streamlined structure, a certain yield strength is increased, giving it a certain degree of toughness. Under stress, the supporting columns in the middle provide the main support, while the outer parts disperse stress, resulting in more balanced compressive strength. Even when subjected to lateral stress, energy absorption and release can prevent breakage.

The invention proposes to design a solar-powered electric bicycle (1) with orbital wheels (6) on which solar panels (14) are arranged on both sides. An advantage of the invention is that the solar panels (14) are not shaded by frame struts or fork blades.

The application relates to the technical field of wheel hubs, in particular to a vehicle wheel hub, which comprises a hub component group, the outer part of the hub component group is provided with a spoke component group, a quick-connection component group and an adjustable rim component group from near to far. Through the design of the quick-connection component group and the adjustable rim component group, the damaged spoke component group can be quickly replaced without disassembling the wheel hub, and through the cooperation of the outer moving plate, the clamping block and the inserting rod, the dismounting and mounting efficiency of the rim component is further improved.

Vehicle (110), comprising: a plurality of adjustable wheels (120), wherein each adjustable wheel (120) is configured such that when actuated, a rolling radius of the adjustable wheel (120) is changed; characterized by the fact that The vehicle (110) further comprises a plurality of fenders (130) integrated into a body of the vehicle (110) in an area of ​​the plurality of adjustable wheels (120), each of the plurality of fenders (130) comprising a plurality of fender segments (132) arranged side by side along an arc of the corresponding fender (130), each of the fender segments (132) being configured to move radially inward away from the corresponding adjustable wheel (120) and outward toward the corresponding adjustable wheel (120) based on a change in the roll radius of the corresponding adjustable wheel (120), such that a predefined distance is maintained between an end of the fender segments (132) and an outer circumference of the corresponding adjustable wheel (120).

A bicycle wheel component (50), comprising a spoke nipple (50) with a nipple body (55) and two opposite and spaced-apart end portions (51, 52) for detachably connecting a spoke (10) of a wheel (101, 102) to a rim (10) or a hub (108) of a wheel (101, 102). One of the end portions (51, 52) forms a nipple head (53). The nipple body (55) has a receptacle (54) for one end (30) of a spoke (10). A thread (56) for fastening a spoke (10) is provided on the receptacle (54). The nipple body (55) is made of a fiber composite material (2) and comprises reinforcing elements (4) and at least one matrix material (3).

A wheel (1) with a rim (2), a hub (3) and at least one flexible spoke (4) that is essentially only subject to tensile force is described and illustrated, wherein the rim (2) has rim attachment means (5) with a receiving structure (6) for receiving a spoke (4) and the hub (3) has hub attachment means (7) with a receiving structure (8) for receiving a spoke (4), wherein the spokes (4) run under tensile stress between one of the hub attachment means (7) and one of the rim attachment means (5), so that the hub (3) is held centrally within the circumference of the rim (2) by the spokes (4). A simple wheel design with good assembly and maintainability is achieved by using at least some of the spokes (4) as a flexible endless spoke (9).

A method for fabricating thermoplastic bicycle spokes that securely couple to an end fitting, at one or both ends thereof, via a non-threaded, mechanical interlocking geometry. A spoke body is fabricated from thermoplastic resin, and then thermoplastic material is added, in situ (using the internal geometry of the end fitting as a form). This increases the effective diameter of the spoke at at least one end thereof to create an engagement feature that is adapted to interlock with the internal configuration of the end fitting. Additionally, by virtue of the method, the end of the spoke has a desirable fiber alignment, wherein the fibers substantially align with in-use loads.

A spoke reinforcing method includes straightening and cutting a drawn spoke; stamping one end of the spoke using a first stamping unit to form an initial head and an initial neck; clamping the initial head, the initial neck, and a main body of the spoke in a clamping die to forge a reinforced part; stamping the spoke while retained in the clamping die using a second stamping unit to form a final head, a final neck, and a final reinforced part; and hobbing an opposite end to form a threaded portion. In embodiments, the reinforced part has a polygonal cross-section, including a hexagonal or rectangular cross-section.

The disclosure provides a method and a mold for cold extrusion forming of a wheel hub. The method includes: placing a forgeable metal material into a first die set and performing cold extrusion to obtain a cylindrical blank including a protruding flange shape, where a diameter of a flange of the cylindrical blank is greater than a diameter of a rim thereof; placing the cylindrical blank into a second die set and performing cold extrusion to obtain a secondary blank having an extruded spoke shape; inverting the secondary blank 180 degrees and placing it into a third die set, first preliminarily forming the rim by pressing down the third die set, and then cold extruding an end portion of the rim by pressing down the third die set, thereby obtaining a finished wheel hub having a rim shape. The method improves efficiency of wheel hub production and material utilization.

This utility model provides a wheel for a ride-on woodland lawnmower, comprising a hub and a solid tire. The hub is made of fiberglass-reinforced nylon and includes a rim and spokes. The spokes are arranged radially and spaced apart within the rim, uniformly dividing the interior of the rim into multiple hollow areas. The solid tire is fitted over the rim and includes a tire tread and a shock-absorbing tire. The shock-absorbing tire is wrapped inside the tire tread and is made of polyurethane. The shock-absorbing tire is made of foamed rubber. This utility model aims to provide a wheel for a ride-on woodland lawnmower, suitable for ride-on lawnmowers, reducing the risk of punctures, lowering maintenance costs, and preventing lateral deformation during hillside operations.

The application relates to a desert vehicle with variable-amplitude wheels. The desert vehicle comprises a vehicle body, a driving unit and a plurality of moving units arranged around the vehicle body in a circumferential direction, the vehicle body is provided with wheel supports for mounting the moving units, the output end of the driving unit is connected with the moving units to provide driving force for the vehicle body, the moving unit comprises a plurality of spokes and a hub motor, the hub motor is arranged in a wheel shell, the wheel shell is a shell with an open side, and a plurality of through holes are uniformly arranged on the outer circumference of the wheel shell. The desert vehicle has the beneficial effects that the shock-absorbing capacity of the vehicle is improved through the variable amplitude of the wheels, the desert road conditions can be better adapted to the uneven and undulating road conditions, the structure is simple and reliable, the self weight is low, the cost is low, a complex control circuit is not needed, the variable-amplitude function is realized by mechanical limiting of the wheel spokes, the wheel spokes can be adjusted to a proper diameter according to the road slope, and the vehicle can always keep stable driving.

A spoke assembly and a rim, the spoke assembly comprising a spoke and a metal piece mounted on the end of the spoke; the spoke is made of carbon fiber; at least one end of the spoke is provided with a tapered connecting end with an outwardly tapered end, the cross section of the tapered connecting end is oval, and the outer peripheral wall is concavely provided with at least one arc groove; the metal piece is provided with a mounting hole through which the spoke passes, and the inner peripheral wall of the mounting hole is convexly provided with four convex portions; after the tapered connecting ends of the spokes pass through the mounting holes of the metal piece in opposite directions, the spoke and the metal piece are relatively rotated by a predetermined angle in the circumferential direction and are fixedly pulled away from each other, so that the two outer walls in the length direction of the cross section of the tapered connecting end are clamped in interference fit with the two inner walls in the width direction of the cross section of the mounting hole, and the convex portions are abutted and fitted in the arc grooves. In this way, the installation is convenient and fast, and the reliability of the spoke assembly can be effectively improved.

The invention relates to a vehicle wheel (1) for a motor vehicle, forged in one piece from a light metal, comprising a wheel hub (2), a wheel disc (3), spokes (4), and a rim (5). A gap (11) for ventilating a wheel brake exists between the wheel disc (3) and the rim (5). To ensure a rigid design of the vehicle wheel (1), the spokes (4) extend from the wheel hub (2) to the rim (5) and are raised on an outer side (6) and an inner side (9) of the wheel disc (3) in such a way that the spokes (4) form a type of stiffening rib for the wheel disc (3).

The utility model relates to a bicycle technical field, specifically disclose a hub assembly and bicycle, the hub assembly includes hub body, the both ends of hub body are equipped with the connecting piece for the spoke connection, and the whole of hub body and connecting piece is 3D printing integrated structure of forming. The raw material of 3D printing integrated structure can be more evenly layer by layer accumulation, improved the consistency of connecting piece and hub body everywhere structural strength, reduced the local substantial tensile deformation condition caused by stamping or rolling processing. 3D printing integrated structure can be set to complex profile or complex structure, reduces the demand of the separate processing of the hub body into cylinder and connecting piece, thereby reduces the processing precision loss caused by assembly gap, the overall structural strength reduction and the problems such as the easy wear and tear of assembly place. Moreover, 3D printing integrated structure can be directly processed from design model to finished product, and the processing efficiency is high.

The present application relates to a spoke joint for a spoke of a spoked wheel and to a method for manufacturing the joint, the joint comprising a stem having an axial extension, a threaded hole axially formed in the stem, the threaded portion of the hole being defined with a root diameter and a top diameter, a head portion widening with respect to the stem, and a deformable insert inserted into a seat axially aligned with the hole and configured in an axial intermediate position of the hole. The insert has a passage for a threaded spoke end portion, the internal diameter of the passage being less than the root diameter of the threaded portion of the hole at least when the insert is inserted into the seat, so that the passage interferes with the threaded portion of the spoke when the spoke is screwed into the threaded hole.

This invention discloses a steel wire ring forming disc with positioning function, relating to the field of tire manufacturing technology. It includes a forming disc and multiple arc-shaped forming blocks hinged to the forming disc. The multiple forming blocks form a circle, and a first driving device is provided on each forming block. The first driving device drives the forming block to expand or contract. Grooves are evenly provided on the forming blocks, and a baffle is installed at the bottom of the forming blocks. A second driving device is provided on the baffle, which drives the baffle to push out or retract into the groove. A positioning channel is formed between adjacent baffles. By setting the baffles, a positioning channel is formed between adjacent baffles, thus creating a ring-shaped positioning channel around the periphery of the forming disc. Therefore, during the processing of the steel wire ring, the steel wire remains positioned within the positioning channel, avoiding the phenomenon of misalignment between different steel wire rings. After the steel wire is coiled, the baffle retracts into the groove, thereby releasing the coil.

A wheel hub for a human-powered vehicle includes a hub body and a first spoke seat portion and a second spoke seat portion disposed on opposite sides of the hub body. The first spoke seat portion includes a circumferentially extending first outer surface, recesses for receiving inner spokes, and recesses for receiving outer spokes. The recesses and recesses are disposed in the first outer surface. When viewed axially, the inner spokes intersect the outer spokes. Each recess has an axially inward opening and an additional inner opening that opens in the first outer surface. The inner spokes extend through the additional inner opening. The recesses have an axially outward opening opposite to the axially inward opening and an additional outer opening that opens in the first outer surface. The outer spokes extend through the additional outer opening.

A wheel assembly is provided that includes spokes having one or more triangular prisms positioned between inner and outer surfaces of the spokes that impart additional strength.

The invention relates to a wheel (1) having a rim (2), a hub (3) and at least one flexible spoke (4) which can withstand substantially only tensile force, wherein the rim (2) has rim attachment means (5) with a receiving structure (6) for receiving a spoke (4), and the hub (3) has hub attachment means (7) with a receiving structure (8) for receiving a spoke (4), wherein the spokes (4) each run between one of the hub attachment means (7) and one of the rim attachment means (5) under tensile stress such that the hub (3) is held centrally within the circumference of the rim (2) by the spokes (4). A simple wheel structure with good mounting and serviceability is achieved in that at least some of the spokes (4) are implemented by way of a flexible endless spoke (9).

This utility model discloses a cap structure for carbon fiber spokes, relating to the field of carbon fiber spoke technology. Its main feature is that the cap has a through hole coaxially formed for mounting the spoke body. The cap and the spoke body are bonded and fixed together by an adhesive layer. An annular groove is provided within the through hole, and the adhesive layer is embedded in the annular groove. This application has the effect of improving the connection strength between the cap and the spoke body.

The invention concerns a wheel (1) comprising a rim (2) and a wheel center (3) made from a fiber reinforced composite material. The wheel center (3) comprises a tubular middle section (6) having a center opening (7) extending in the direction of a wheel axis (19) and having a first and a second end (8, 9). A hub (5) comprises a first flange ring (10) and a second flange ring (11). At least one of the flange rings (10, 11) and the tubular middle section (6) are interconnected to each other by a form fit interconnection (12, 13).

A hub 20 for a wheel 10 of a human-propelled vehicle comprises a hub body 22 and a first and a second spoke seat section 24, 26, which are arranged on opposite sides of the hub body 22. The first spoke seat section 24 includes a first outer surface 28 extending circumferentially, inner recesses 32, each accommodating an inner spoke 16, and outer recesses 34, each accommodating an outer spoke 18. The inner recesses 32 and the outer recesses 34 are arranged in the first outer surface 28. The inner spoke 16 intersects the outer spoke 18 in the axial direction. Each inner recess 32 has an axial inner opening 32A and an additional inner opening 32B that opens into the first outer surface 28. The inner spoke 16 extends through the additional inner opening 32B.The outer recess 34 has an axial outer opening 34A, which faces away from the axial inner opening 32A, and an additional outer opening 34B, which opens into the first outer surface 28. The outer spoke 18 extends through the additional outer opening 34B.

The invention provides a powered retraction system for a wheel. The retraction system includes an actuation system to raise the wheel to a stowed position and to lower the wheel to a steer position. The actuation system includes: a motor that is operably connected to a rotatable torsion controller to rotationally drive the torsion controller about a torsion controller axis; a torsion element comprising opposing first and second ends; and a swing arm operably connected to the wheel axle and rotatable by the torsion controller about a swing arm axis to raise and lower the wheel. The first end of the torsion element engages with the rotatable torsion controller and the second end of the torsion element engages with the swing arm. When in the steer position, the torsion element is tensioned to urge the spring arm, and in turn the wheel, downwards.

This invention discloses a high-strength carbon fiber enclosed wheel and its manufacturing method, belonging to the field of enclosed wheels. It includes: a wheel rim body; a support portion connected to the wheel rim body; a guide portion disposed on the support portion to conduct wind speed and direction on both sides of the enclosed wheel; a first adjustment portion connected to the guide portion to adjust the guiding direction of the guide portion, reducing the influence of crosswinds and improving the stability of the wheel rim body's movement; a sealing portion disposed on the wheel rim body to seal the wheel rim body, reducing air resistance during the wheel rim body's movement; and a second adjustment portion disposed within the wheel rim body, cooperating with the first adjustment portion to further reduce the influence of crosswinds. Through the coordinated work of the guide portion and the first adjustment portion, the guide plate can automatically adjust its angle according to wind speed and direction, generating targeted downforce using Bernoulli's principle, effectively counteracting the instability caused by crosswinds.

An aerodynamic spoke for spoked wheels, in particular for bicycles, comprises a stem elongated in a dominant direction and means on the surface of said stem for reducing the aerodynamic resistance of the spoke. Said means for reducing the resistance comprises a plurality of undulations on at least a portion of the surface of said stem, with ridges and valleys extended transversely to said dominant direction.

The present disclosure provides a bicycle rim with a spoke hole base ring and a method for manufacturing the same. The bicycle rim includes a rim body, a spoke hole base ring, a spoke nut, and a spoke. An annular closed chamber is provided in the rim body, the spoke hole base ring is disposed on a bottom wall, corresponding to a radial inner side of the closed chamber, of the rim body, the spoke hole base ring includes a ring belt and a plurality of spoke hole bases disposed on the ring belt, a spoke hole is provided on the spoke hole base, a nipple-threaded end of the spoke pass through the spoke hole and is coaxially assembled with the spoke nut, and a surface of the spoke hole base is perpendicular to an axial direction of the spoke.

The application provides a reverse disc brake hub body, a reverse disc brake hub and a two-wheeled vehicle. The reverse disc brake hub body comprises a rim made of iron material, spokes made of material different from the rim material, a combination part for combining the spokes and the rim, and a plurality of mounting columns. Since the reverse disc brake hub body has the plurality of mounting columns, the reverse disc brake hub body can be used to mount a reverse disc brake, forming a reverse disc brake hub with better braking performance. Since the rim is made of iron material and the spokes are made of other material, the reverse disc brake hub also has the advantages of a conventional composite hub: the rim has high strength and is not prone to deformation or cracking during use, which can better guarantee the driving safety of users and accordingly reduce the frequency of maintenance and repair; and the overall weight of the reverse disc brake hub is lighter and the appearance is more beautiful.