128results about "Muscle power acting propulsive elements" patented technology

A hydrofoil vehicle comprises a frame and at least one foil. The vehicle comprises a moveable control surface configured to control a pitch of the vehicle, in use. A locking mechanism is provided for restricting movement of the control surface when the vehicle is not foiling, for example during launching. In examples, the locking mechanism activates automatically when the hydrofoil vehicle is not foiling. In examples, the vehicle is human powered.

An inflatable carrier includes an inflatable main body, a foldable supporting device connected to the inflatable main body, and a plurality of elastic elements connected to the foldable supporting device and / or the inflatable main body. When the inflatable main body is inflated to expand, the foldable supporting device is forced to extend by the expanded inflatable main body and the elastic elements are deformed. When the inflatable main body is deflated, restoring forces of the elastic elements cause the foldable supporting device to be folded.

A self-contained paddle can be adjusted from a single paddle form with a handle on one end to a double paddle configuration having paddle blades on both ends. The paddle of the present invention allows for the handle end of a water recreation paddle to transform to a second paddle, forming a double paddle without bring a separate attachment during an outing and without interfering with the use of the paddle in the single paddle configuration when the paddle is in the single paddle configuration.

The utility model relates to folding boat oar technical field, especially a folding boat oar for water conservancy project, including first boat oar pole, one side of first boat oar pole end portion rotatory connection has the pivot, first boat oar pole is connected with second boat oar pole through pivot rotation, the end of second boat oar pole fixedly connected with the paddle board, the outside of first boat oar pole and second boat oar pole junction place is sleeved with the limit sleeve, the utility model has the advantages of: through setting up the pivot between first boat oar pole and second boat oar pole, can make both relatively rotate, can fold the boat oar and reduce the volume when storing in the place of narrow space, the torsion spring can make boat oar pole keep in the elongation state in the unfolded state, and the convenient use is through setting up the limit sleeve of sliding in the junction place of first boat oar pole and second boat oar pole, when first boat oar pole and second boat oar pole merge, then limit sleeve slides to the junction place, and the junction position of two is reinforced.

Rowing drive for a tricycle, other body-powered vehicle or training device, characterized by the following features: - the longitudinal tube (L), which forms the front part of the chassis, branches out at the rear end into two steeply sloping tubes (Y), which transition into parallel, horizontally positioned tubes (H) that support the two rear wheels - The longitudinal tube (L) is surrounded by a slightly wider outer tube (O), which either ends behind the drive linkage or just before the end of that longitudinal tube (L) and in this variant also supports the driver's seat there. - said drive linkage, which hangs in the middle between the driver's seat and the front wheel with a solid axle (E) on the outer tube (0), consists of four parallelogram-shaped rods (a, b, c, d), of which the two longer ones (a, b) either extend upwards, as arm rod (a), or downwards, as leg rod (b), from the parallelogram and carry the handlebar (g) or the pedal rod (p) at their free end. - the two shorter parallel crossbars (c, d) connect the arm and leg bars (a, b) with four joints (A, B, C, D) and, when pulled or pushed, rotate with the handle and / or pedal bar (g, p) so that they pull the arm bar (a) downwards and the leg bar (b) upwards as both approach their mean path position and thereby straighten from the inclined position to the vertical; and because both movements continuously compensate for each other, they result in straight horizontal paths for the handle and pedal bar (g, p) - The axis (E) around which the lower crossbar (d) rotates divides it into unequal sections, which is why the arm rod (a) connected to the longer section has a larger oscillation amplitude than the leg rod (b) - above the axis (E) on the outer tube (O) stands a vertical rail (T) on which the joint (C) transformed into a slide (tsl) between the tip of the leg rod (b) and the upper crossbar (c) rises and falls during the drive movement - a device which first strictly determines the paths of the handle and pedal rod (g, p).

A rowing machine (10) comprising: a frame (20) having a first end (21) and a second end (22) defining a frame axis; a seat (25) slidably mounted to the frame (20), the seat (25) being configured to slide along the frame axis; at least one oarlock (30), 5 wherein the or each oarlock (30) is configured to receive an oar (40) such that the oar (40) can rotate in the oarlock (30); and a resistance mechanism (50) configured to provide resistance to the oar (40).

The invention relates to the technical field of ship manufacturing, in particular to a marine driving system which comprises a plurality of propelling mechanisms distributed on the two sides of a ship body, and the propelling mechanisms are arranged close to seats. A deck of the ship body is provided with a plurality of manual driving mechanisms matched with the propelling mechanisms, the manual driving mechanisms are adjustably arranged on the front sides of the seats, and tourists control the manual driving mechanisms to work to drive the propelling mechanisms to rotate; an adjustable transmission mechanism is arranged on the side edge of each propelling mechanism, and the multiple sets of adjustable transmission mechanisms are evenly installed on the two sides of the ship body. The propelling mechanisms are arranged on the two sides of the ship body, the manual driving mechanisms are arranged on the side edges of the propelling mechanisms, after a tourist sits on the seat, the tourist controls the pedals to drive the manual driving mechanisms to provide power for rotation of the propelling mechanisms, and the ship body is driven to travel through the acting force between the propelling mechanisms and water; the interactivity and interestingness of tourists and sightseeing projects are improved, and the relevance with the ship running process is improved.

The present invention falls within the scope of floating sundecks suitable above all for the sea, but also for the lake, swimming pool or the like. In particular, the present invention intends to propose a spacious and stable floating sundeck that combines the stability of the same with characteristics of convenience of transport such as classic sundeck as well as the possibility of integration with objects that make the sundeck advantageous in multiple technical aspects.

1. An oarlock for locking an oar to a rowing vessel or rowing simulator when the oarlock is installed in the rowing vessel or rowing simulator, the oarlock comprising: a housing installable on the rowing vessel or rowing simulator; an angle measuring device configured to use the oar by a rower during a rowing stroke by the rower and to measure an angular displacement related to the oarlock when rowing the rowing vessel or rowing simulator; and a resetter capable of resetting the angle measuring device before the angle measuring device measures another angular displacement related to the oarlock during a rowing stroke by the rower or another rowing stroke, or configured to determine an offset and calculate an error or drift.

The present disclosure is directed to a watercraft including: a hull; a first seat located on the hull, where the first seat is formed into the hull and is configured for operation of the watercraft in a kayaking manner of propulsion; and a second seat located on the hull, where the second seat is attached to the hull, where the second seat is configured for operation of the watercraft in a rowing manner of propulsion.

The utility model provides a kayak pedal device, and relates to the technical field of kayak devices, the kayak pedal device comprises a pedal device, a buckle, a spring and a rack track, the bottom of the pedal device is provided with a groove, the buckle is installed in the groove, one end of the spring is connected with the buckle, and the other end of the spring is connected with the pedal device; the rack track is arranged on the kayak and is provided with a plurality of racks; the buckle can be connected with a rack on the rack track in a clamped mode so that the pedal device can be fixed to the rack track. Through cooperation of the buckle, the spring and the rack track, rapid adjustment and firm fixation of the pedal device are achieved; a user only needs to press the buckle, the position of the pedal device can be easily adjusted, the friction force between the foot of the user and the pedal device is effectively increased through the design of an anti-skid structure on the pedal device, the sliding phenomenon in the using process is prevented, the safety and comfort of the user are guaranteed, and the requirements of kayak devices of different models can be met.

To provide a human power boat sailing by a vertical vibrating blade.SOLUTION: A human power boat by a vertical vibrating blade comprises: a buoyancy body 6 which is arranged on a water surface; a footboard which is arranged above the buoyancy body and on which a rider gets on; a propulsion blade which is connected to an axial member extending from the footboard and is arranged in the water; an auxiliary member which assists the vertical movement of the footboard; and a handle which is grasped by the rider, wherein the footboard moves downward when the rider steps on the footboard using his / her weight and the propulsion blade sinks, so that the propulsion force heading forward is generated, and the footboard moves upward by assistance of the auxiliary member when the rider gets off from the footboard.SELECTED DRAWING: Figure 1

Shown and described is a hybrid roller (1) for a roller seat (20) of a rowing boat, comprising: a bearing element (3), and a roller body (4), wherein the roller body (4) surrounds the bearing element (3) at least in sections, wherein the roller body (4) has an outer section (5) and an inner section (6), wherein the outer section (5) has a roller body contact surface (7) for at least partially contacting a roller rail (2) for a rowing boat, and wherein the inner section (6) surrounds and / or contacts the bearing element (3) at least in sections. In order for the hybrid roller (1) to have reduced friction and at the same time offer a certain level of seating comfort, it is proposed that the outer section (5), preferably the roller body contact surface (7), at least in sections have a higher modulus of elasticity than the inner section (6).Also described is a rolling seat (20), a rolling rail (2) and a rolling seat storage system for a rowing boat.

A transmission for a human-powered vehicle. The transmission has a primary system that includes a transmission case, a crankshaft with cog, a pair of receiver cranks, a pair of connecting rods, a pair of oscillating driver cranks, and a pair of pedals. A secondary biasing system is engaged with the primary system to provide a favorable torque around dead centers of the primary system. The transmission 150 may be configured to transmit power by driveshaft, chain, or belt to drive a wheel or propeller. In a watercraft application, an operator alternatingly applies force to a pair of pedals while seated close to the floor of a kayak 145. Power from the transmission is transmitted through a steerable lower gear case 134 via a propeller to propel the craft. The operator maneuvers the craft by means of a control lever 135 operably connected to the lower gear case by cables 136.

The utility model discloses a rubber dinghy with an oar fixing mechanism, and relates to the field of rubber dinghy, the rubber dinghy comprises a dinghy body and an oar, a supporting assembly is arranged between the oar and the dinghy body, two locking assemblies are arranged on the outer surface of the dinghy body, and the supporting assembly comprises a fixing plate, a sliding block, a fixing block, a T-shaped rod, an inserting pipe and a clamping strip. The locking assembly comprises a mounting block, a rotating block, a lifting plate, a connecting plate, a pressing block, a connecting rope and a spring, locking and unlocking of a clamping strip are achieved through a threaded pin, a sliding block is fixed through cooperation of the clamping strip and a clamping groove in the outer surface of a fixing plate, and the position of a paddle supporting part is adjusted through movement of the sliding block; therefore, the position of the paddle can be adjusted according to the personal habits of a user, the user can use the paddle conveniently, the paddle is clamped and locked through the rotating block, when the paddle extrudes the pressing block, the pressing block drives the connecting rope to pull the rotating block, the rotating block is further locked, the paddle is prevented from falling off, and the locking strength is improved.

A sport apparatus, including a handle, an action portion, a connection portion connecting the handle to the action portion, at least part of the connection portion including a structural battery, the structural battery including one or more energy storage devices, each of the one or more energy storage devices having at least one anode core of a continuous carbon fiber, an electrolyte arranged on the at least one continuous carbon fiber core, and a cathode layer coating arranged to the at least one continuous carbon fiber core on the electrolyte, and at least one sensor unit electrically connected to the energy storage devices, the at least one sensor unit providing signals related to use of the sport apparatus.

A device includes a cleat and a receiver. The cleat is mountable to a shoe and includes a front portion and a rear footing. The receiver is mountable to a support of an external device. The receiver includes a frame including a front portion and a rear portion, with the rear portion configured to removably slidably receive the rear footing of the cleat. The front portion of the receiver includes a catch element, which is pivotally movable relative to the frame while under a rotational biasing force in a first orientation, to permit slidable entry of, and retention of, the front portion of the cleat relative to the frame of the receiver.

The utility model discloses an anti-scratch type kayak, and particularly relates to the field of kayaks, the anti-scratch type kayak comprises a kayak body, the top of the kayak body is provided with an anti-collision strip, the front side and the rear side of the anti-collision strip are respectively provided with a supporting mechanism, and each supporting mechanism comprises a storage groove formed in the top of the anti-collision strip. When the paddle needs to be paddled, the two supporting rods on the same side are overturned inwards, so that the volute springs are compressed; then the two moving blocks slide downwards, the moving blocks drive the inserting blocks to retract into the sliding grooves, meanwhile, the supporting springs are compressed, then the two supporting blocks are turned over to be in a straight horizontal state, the opposite side surfaces of the two supporting blocks make contact, then the moving blocks are loosened, the supporting springs rebound, and therefore the inserting blocks are driven to move and be inserted into the inserting grooves of the other supporting block; and the supporting blocks are retracted into the storage grooves when being fixed, so that the effect that the paddling action is not hindered when the supporting mechanism is not used is achieved.

The invention relates to a paddle for a nautical craft, comprising a shaft (1) having at least one segment (2) extending between an inner end (2a) and an outer end (2b), a blade (4) being reversibly connected to the outer end (2b) of the segment in order to be able to form, or demount, the paddle by connection, or disconnection, of the blade (4) and of the segment, the paddle comprising geometric means (23) formed on the blade (4) and complementary geometric means (24) formed on the segment (2), the geometric means being designed to connect the segment to the paddle (4) in the demounted configuration.

A watercraft includes a hull, an opening extending through the hull, the opening configured to receive a removable propulsion mechanism, and an insert removably insertable into the opening. The insert includes an inner cavity, an aperture configured to be at least partially submerged in a fluid when the watercraft is positioned on the fluid, the aperture being configured to provide fluid communication between the inner cavity of the insert and the fluid as the watercraft travels in a forward direction, and a surface shaped and dimensioned such that a first pressure within the inner cavity is greater than a second pressure at the aperture as the watercraft travels in the forward direction.

The utility model relates to the technical field of paddle lock structures, in particular to a paddle rod with a paddle lock, which is provided with a front paddle rod, a rear paddle rod and the paddle lock, the paddle lock comprises a fixing sleeve, a locking sleeve and a locking component, the fixing sleeve is connected with the locking sleeve, a circumferential locking hole is arranged between the locking sleeve and the fixing sleeve, and the locking component is connected with the front paddle rod and the rear paddle rod. A circumferential locking hole is formed in the locking sleeve, a locking strip hole which is perpendicular to and communicated with the locking hole is formed in the locking sleeve in the middle of the circumferential locking hole, connecting protrusions are arranged on the locking sleeve on the two sides of the locking strip hole respectively, the connecting protrusions are connected through a locking assembly capable of driving the locking sleeve to retract inwards or expand outwards, and the rear end of the front paddle rod is inserted into and extends into the locking sleeve through the fixing sleeve. The front paddle rod part extending into the locking sleeve is provided with the strip-shaped hole with the open end, the front end of the rear paddle rod is inserted into the front paddle rod through the end of the locking sleeve, the locking sleeve and the end of the front paddle rod are locked at the same time through the locking assembly, then the rear paddle rod is locked, and the propeller has the advantages of being simple in structure, high in connection strength, not prone to being broken and the like.

The present invention relates to a mechanism comprising a frame (10), levers (7), pedals (19, 17, 13), clutches (1) and / or freewheels, gears and / or pulleys, rotation shafts (8, 9, 11, 14, 15) and / or lever pushrods (20) which convert the reciprocating pushing movement into a rotational movement of the various vehicles or anything else that needs driving force by means of the muscular effort of the legs of at least one user in an upright (standing) position and / or one user in a horizontal (sitting) position or lying on their back or stomach in order to push the levers (7) which bounce back and forth about a horizontal axis (HX) and / or two parallel and symmetrical vertical axes (VX1 and VX2).

The utility model provides an underwater bicycle which comprises a frame, a seat, a handrail, pedals and a wheel blade portion, the handrail is arranged at the front end of the frame, the seat is arranged at the rear end of the frame, and the pedals are correspondingly arranged on the two sides, between the handrail and the seat, of the frame respectively. The wheel blade part is arranged between the two pedals on the frame; the wheel blade part is provided with at least two blades, and the input ends of the two sides of the wheel blade part are both in drive connection with the pedals so that the blades can be driven by the pedals to rotate. The wheel blade part is further provided with a gear adjusting mechanism used for adjusting the inclination angle of each blade. According to the utility model, the wheel blade part is arranged in the underwater bicycle, and the motion resistance is formed through the counter-acting force of water to the blades; and the wheel blade part is provided with the gear adjusting mechanism, so that a rider can flexibly adjust the inclination angle of each blade according to different underwater environments and personal conditions, and the movement resistance is adjusted by changing the angle of each blade, so as to meet various movement requirements of users.

The invention discloses a propeller and a ship, and relates to the technical field of ship drive.The propeller comprises a driving device, a support and a power output device.The driving device comprises a shell, a steering driving mechanism, a manpower driving mechanism, a power driving mechanism, a transmission mechanism and a clutch switching mechanism, the manual driving mechanism and / or the power driving mechanism are / is selectively in transmission connection with the transmission mechanism through the clutch switching mechanism, the support is rotationally arranged on the shell and connected with the steering driving mechanism, the power output device is arranged on the support and located outside the shell, and the transmission mechanism is connected with the power output device. The manpower driving mechanism and / or the power driving mechanism can drive the power output device to operate and generate thrust through the transmission mechanism, and the steering driving mechanism is used for driving the support to rotate so as to drive the power output device to rotate and change the orientation of the power output device, so that the flexibility of controlling the ship body is improved.

A jewelry display includes a ferromagnetic planar substrate and a bracket attached to a wall. The bracket has a wall engagement surface along an inner surface and a ferromagnetic planar substrate engagement surface along an outer surface. A non-slip covering attached to the ferromagnetic planar substrate engagement surface abuts the back surface of the ferromagnetic planar substrate. At least one bracket magnet is attached to the bracket. The back surface of the ferromagnetic planar substrate is configured to removably attach to the bracket due to the magnetic force of the at least one bracket magnet attracting the ferromagnetic planar substrate and a frictional force between the non-slip covering and the back surface of the ferromagnetic planar substrate. A plurality of jewelry fixtures are removably attached to the front surface of the ferromagnetic planar substrate, each jewelry fixture having at least one permanent fixture magnet and a jewelry holding structure.

Device for driving a ship's propeller by muscle power, characterized in that a pulley (3) with a wound-up pull rope (5) is unwound via a pulling device (13) and (5), a freewheel (4) is pressed into the pulley (3) which is in connection with a drive shaft (2) and a ship's propeller (9).

The utility model discloses a plastic dragon boat paddle which comprises paddle boards, the paddle boards are divided into a paddle board I, a paddle board II connected with the paddle board I and a connecting sleeve arranged on the paddle board I and the paddle board II and used for being connected with a paddle rod, and a hollow cavity is formed between the paddle board I and the paddle board II. The paddle is characterized by further comprising a plurality of reinforcing ribs which are arranged on the paddle board I and the paddle board II and are used for enhancing the strength of the paddle board I and the paddle board II; the paddle boards are formed by connecting the paddle boards I and the paddle boards II, the plastic dragon boat paddle is simple in structure, convenient to assemble and low in cost, the weight is light, the situation that physical energy of athletes is consumed too fast due to the fact that the paddle boards are too heavy when the athletes are trained for a long time is avoided, the paddle paddling speed is improved, meanwhile, plastic serves as a recyclable material, and the cost is low. The paddle board can be recycled after being damaged, so that the environmental protection property is improved; through the arrangement of the reinforcing ribs, the weight of the paddle board is reduced, meanwhile, the strength can be improved, and the strength requirement of the paddle board in use is met.

The utility model discloses a telescopic rescue device which is characterized in that the telescopic rescue device is of a symmetrical structure, and a console (1) of the telescopic rescue device is connected with a multi-branch rotating shaft (11) and an auxiliary rod (2); the multi-branch rotating shaft is located in the carrier (9), the carrier (9) is sealed by the cover plate (10), the branch end of the carrier (9) and one end of the connecting rod A (12) are fixed through the double-thread screw (13), the other end of the connecting rod (12) is connected with the ship wing (3) in a concentric circle mode, the telescopic paddle is placed on the upper portion of the ship wing (3), the lower portion of the ship wing (3) is connected with the hollow circle (8) through the connecting rod B (16), and the hollow circle (8) is fixed to the carrier. And the connecting rod B (16) is connected with the other end of the auxiliary rod (2) through an adapter (22). According to the utility model, the manned capacity can be expanded through stretching and retracting, and the telescopic paddle is provided.

A hydrofoil vehicle comprises a frame and at least one foil. The vehicle comprises a moveable control surface configured to control a pitch of the vehicle, in use. A locking mechanism is provided for restricting movement of the control surface when the vehicle is not foiling, for example during launching. In examples, the locking mechanism activates automatically when the hydrofoil vehicle is not foiling. In examples, the vehicle is human powered.