992 results about "Dumbbell" patented technology

A high-reliability adjustable dumbbell, including a base for placing dumbbell plates, the dumbbell plates, a handle, a self-locking module, and several chucks mounted on a rod body. Rotation of the handle drives the chucks to rotate, and the chucks are clamped with or staggered from the dumbbell plates. By the arrangement of the self-locking module, the present disclosure ensures the stability of the dumbbell during use and prevents the dumbbell plates from sliding off during movement, thus ensuring the safety of use by a user. Meanwhile, the dumbbell can be locked on the base to prevent accidental collision and falling of the dumbbell plates.

A weight-adjustable dumbbell includes: a handle, two ends of the handle respectively provided with a fixing plate; a plurality of dumbbell plates, respectively arranged sequentially along the fixing plate and movably connected to each other; a pair of first sliding slots, disposed on each of the plurality of dumbbell plates, and penetrating through each of the plurality of dumbbell plates; a pair of second sliding slots, disposed on each of the fixing plate and corresponding to the first sliding slots; and a pair of adjusting assemblies, where two ends of each of the adjusting assemblies are respectively connected to the two fixing plates and respectively corresponding to the two first sliding slots of two of the plurality of dumbbell plates.

A dumbbell and a dumbbell kit are provided, the dumbbell includes a dumbbell body, dumbbell pieces accumulatively installed at two ends of the dumbbell body, and adjustment mechanisms respectively provided at two ends of the dumbbell body; the dumbbell body includes a grip rod, a center rod rotatably provided at a center position of the grip rod, and two sets of shell components respectively provided at two ends of the grip rod; the shell components include a main body shell fixedly connected to the center rod and one or more adjustable shells, the adjustable shells are fixedly connected to the center rod; the number of dumbbell pieces corresponds to the number of the adjustable shells, and the dumbbell pieces are provided with dumbbell holes that run through the dumbbell pieces. The dumbbell has the effect of improving the weight adjustment efficiency of dumbbells.

An adjustable dumbbell may include a handle assembly and multiple weights connected to the handle assembly. The weights may be selected in sequence in order to determine the desired weight for use. The weights may be positioned on ends of the handle assembly and may rest within a base when not in use. The handle assembly itself may be removed while the weights remain in the base. The system may be controlled manually by a rotational motion or may be controlled by an automated or semi-automated system.

The present disclosure discloses an adjustable dumbbell including a base, a grip, and dumbbell plates on the grip. The base is provided with a dumbbell plate fix groove, a bottom of the dumbbell plate fix groove is provided with several locking pieces; a through hole is provided on the grip, an interior of the through hole is provided with a connection mechanism. Each dumbbell plate includes a shell and a weight stack arranged in the shell. The shell is fixedly connected with a positioning mechanism, a connection rod in the connection mechanism is moved towards both ends of the grip by rotating the grip. A movement length of the connection rod and the number of dumbbell plates of the grip are controlled to control a weight of the dumbbell. The dumbbell plates are easy to disassemble and assemble and the positioning mechanism prevents the dumbbell plates from falling off.

A weight-adjustable dumbbell includes a plurality of dumbbell plates; abase for holding the dumbbell plates; a positioning shaft; a handle movably sleeved on the positioning shaft; a plurality of cam structures disposed on two ends of the handle respectively; and a driving plate disposed between the handle and the cam structures, where the handle drives the plurality of cam structures to rotate on the positioning shaft through the driving plate; where two ends of the positioning shaft are respectively provided with a control device, the control device is connected to the cam structure to control the cam structure rotating relatively with the dumbbell plates.

The application provides an adjustable dumbbell, including a dumbbell bar assembly and a plurality of dumbbell plates hooked to two sides of the dumbbell bar assembly. Inserting plate assemblies for being inserted into insertion ports of the dumbbell plates are disposed at two ends of the dumbbell bar assembly. The inserting plate assemblies are provided with damping block mounting holes, and the damping block mounting holes form third open slots at the bottoms of the inserting plate assemblies. Damping blocks are installed in the damping block mounting holes. The bottoms of the damping blocks abut against the bottoms of the insertion ports of the dumbbell plates through the third open slots.

The invention relates to the technical field of intelligent fitness equipment and exercise training control, and provides a training plan dynamic generation and action quality scoring method and system for an intelligent dumbbell. The method comprises the following steps: acquiring action data of a user during training and personalized parameters input by the user in real time through an acceleration sensor, an angular velocity sensor and a pressure sensor which are arranged in the intelligent dumbbell; inputting the action data and the personalized parameters into a preset training plan generation algorithm module so as to generate a stage training plan comprising the action type, each group of training duration, intermittent time and a weight adjustment strategy; an action quality scoring model is constructed, a standard action template is pre-stored in the scoring model, and the standard action template comprises standard trajectory curves, speed threshold ranges, amplitude reference values and force exerting symmetry parameters corresponding to different training actions; and performing multi-dimensional matching analysis on the action data and a standard action template, and dynamically correcting the score in combination with the current fatigue parameter of the user.

A multifunctional kettlebell, having a shell with a grip, a plurality of weight blocks, and, at least one grip bar detachably assembled with the weight blocks to form a dumbbell or barbell. The shell has two flip shells, which can flip between an open state and a closed state. A first mounting groove for placing the weight blocks is on an inner side of the flip shell, the two flip shells in the closed state are interlocked oppositely to form the kettlebell, and the two flip shells in the open state are opened to store the weight blocks. During use, the weight blocks can be placed in the first mounting grooves of the flip shells and the two flip shells are closed to serve as a kettlebell, and the weight blocks can be assembled with the at least one grip bar to serve as a dumbbell or barbell.

A soft, silent barbell or dumbbell plate designed for low cost fabrication, shipping and sales. It incorporates a leak proof seal to ensure the sand, steel shot or other filler will not come out of the plate during use. It is adjustable in weight and with its durable outer shell, will not mark or chip floors. Since the plate's outer surface is flexible and the general geometric circular plate configuration may deform slightly, the plate is substantially silent in use and when contacting similar plates and the floor.

A dumbbell assembly includes a dumbbell, and the dumbbell includes a dumbbell rod, dumbbell pieces and fixing plates; the dumbbell rod includes a grip rod and two telescopic rods connected to the grip rod. The dumbbell piece includes a first surface and a second surface which are opposite to each other, a mounting hole is formed in each dumbbell piece, a first guide portion which is obliquely arranged on the first surface, a second guide portion which is obliquely arranged on the second surface, the first guide portion is matched with the second guide portion, and the first guide portion and the second guide portion are located at the two opposite ends of the dumbbell piece respectively in the first direction. The installation difficulty of the action of installing the dumbbell rod into the dumbbell base is reduced.

The utility model belongs to the technical field of sports equipment, and discloses a dumbbell with balancing weights convenient to disassemble and assemble. Comprising a center rod, mounting bases are connected to the two ends of the center rod, the center rod further comprises a base and balancing weights, each mounting base is provided with a plurality of mounting cavities, and the balancing weights and the mounting cavities are hung or detached through rotation of the center rod; the guide shaft penetrates through the mounting seat and is connected with the center rod, at least one annular guide groove and a compound counterweight guide groove are formed in the peripheral surface of the guide shaft, and each guide groove corresponds to one mounting cavity; the periphery of the guide shaft is sleeved with an adapting part corresponding to the annular guide groove, and the adapting part is provided with a guide structure assembled with the annular guide groove and used for achieving installation of the balancing weight and the installation base. The guide shaft with the annular guide groove is rotationally connected with the center rod, and the switching part matched with the annular guide groove achieves path change along with rotation of the center rod and moves in the direction close to or away from the center rod, so that mounting or dismounting of the balancing weight is achieved.

The utility model discloses a weight stack selecting assembly and an adjustable dumbbell. The weight stack selecting assembly comprises a fixing piece which is rotationally connected with a first rotating tongue and a second rotating tongue, the first rotating tongue can be screwed out from one side of the fixing piece, and the second rotating tongue can be screwed out from the other side of the fixing piece; and the cam can rotate relative to the fixing piece, and the cam rotates to drive the first rotating tongue and the second rotating tongue to be synchronously screwed out of or screwed into the fixing piece. The adjustable dumbbell includes a weight stack selection assembly. When the weight stacks need to be connected with the handle, the cam is rotated, so that the first rotating tongue and the second rotating tongue are synchronously screwed out and extend into the fixing grooves corresponding to the weight stacks, when the adjustable dumbbell is used, the first rotating tongue and the second rotating tongue are stressed at the same time, and stress is more reasonable.

The present disclosure relates to a rotary positioning dumbbell combination structure and a dumbbell adopting the combination structure, and the rotary positioning dumbbell combination structure comprises at least one dumbbell plate body, and at least one of at least one radial protrusion or at least one radial groove is arranged on left and right sides of the at least one dumbbell plate body; at least one radial groove and at least one radial protrusion are matched; the at least one positioning protrusion is provided in the at least one radial groove; at least one radial elastic sheet is provided on the at least one radial protrusion; and the at least one positioning groove is provided on the at least one radial elastic sheet at a position facing the at least one positioning protrusion.

The invention discloses a natural ventilation cooling tower and a dumbbell-shaped concrete filled steel tube cross strut thereof, the dumbbell-shaped concrete filled steel tube cross strut comprises four dumbbell-shaped steel tube limb columns and cross nodes, and the end parts of the dumbbell-shaped steel tube limb columns are connected with the cross nodes to form a cross structure; the cross joint comprises a vertical stiffening plate, an upper reinforcing ring, a lower reinforcing ring, a plurality of joint sleeves and a plurality of joint webs, the upper reinforcing ring and the lower reinforcing ring are perpendicularly crossed with the vertical stiffening plate, the joint webs are connected with the joint sleeves, and the joint sleeves, the joint webs, the upper reinforcing ring and the lower reinforcing ring form a dumbbell-shaped structure with the vertical stiffening plate as the central axis. Open holes are formed in the reinforcing rings and used for pouring and circulation of concrete, the four dumbbell-shaped steel pipe limb columns are arranged at the open holes of the upper reinforcing ring and the lower reinforcing ring, and a closed space is formed by the joint sleeve, the joint web, the upper reinforcing ring, the lower reinforcing ring and the four dumbbell-shaped steel pipe limb columns. The problem of material waste caused by rich in-plane directional bearing capacity of a circular section can be solved.

A rotatable and adjustable dumbbell, with radial grooves and radial protrusions arranged on left and right sides of the dumbbell plates respectively, more than two groove-end axial baffle plates evenly arranged on the radial grooves, inner connecting grooves arranged inside the groove-end axial baffle plates, more than two protrusion-end axial baffle plates evenly provided on outer end surfaces of the radial protrusions, and outer connecting grooves provided in the protrusion-end axial baffle plates. The dumbbell plates and the inner end plate are both provided with guide grooves at outer diameters, a lower portion of the lock button switches is provided with at least one connecting gap and at least one connecting protrusion, at least one guide plate and at least one inner guide groove are provided inside the dumbbell plates, the guide plate is inserted into the connecting gap, and the connecting protrusion is inserted into the inner guide groove.

An improved dumbbell free weight is discussed, which includes a handle and curved weight segments extending radially away from one end of the handle.

The utility model relates to the technical field of fitness equipment, in particular to an adjustable dumbbell and dumbbell assembly.The adjustable dumbbell comprises a body, counterweight assemblies arranged at the two ends of the body and adjusting assemblies arranged on the counterweight assemblies; the adjusting assembly comprises a sliding plate and a positioning assembly, a sliding groove is formed in the positioning assembly, the sliding plate is slidably arranged in the sliding groove, a passing groove is formed in the counterweight assembly, an opening corresponding to the passing groove is formed in the end of the sliding groove, and the sliding plate can slidably penetrate through the opening to enter the passing groove; the positioning assembly is provided with an adjusting channel which is parallel to the sliding groove and communicates with the sliding groove and the outside, and the side face of the adjusting channel is provided with a plurality of concave positions distributed in the length direction of the positioning assembly; the sliding plate is provided with a movable handle which penetrates through the adjusting channel or is exposed out of the concave position, and the movable handle can move in the adjusting channel or between the adjusting channel and the concave position. The dumbbell solves the technical problems that the weight adjusting mode of an existing dumbbell is complex, and dumbbell pieces are tedious to disassemble, assemble and replace.

The utility model discloses a dumbbell capable of adjusting weight in multiple gears, which comprises a dumbbell rod assembly, a plurality of weight stacks and a base used for placing the weight stacks and the dumbbell rod assembly, the dumbbell rod assembly comprises a rotation adjusting structure and dumbbell supports arranged at two ends of the rotation adjusting structure, and each dumbbell support comprises a tail end support, a weight stack frame and an adjusting frame. The rotation adjusting structure comprises a handle pipe, a guide shaft, a sliding bolt body A and a sliding bolt body B. According to the dumbbell, the sliding bolt bodies A, the sliding bolt bodies B, the weight stacks A, the weight stacks B, the weight stack A insertion positions and the weight stack B insertion positions are arranged, so that the weight stack B and the weight stacks A are respectively combined to form multi-gear weight adjustment, and the number of adjustable gears is doubled compared with that of an existing dumbbell.

A fitness apparatus for adjustable resistance training includes a handle and one or two weight assemblies, configured as a kettlebell, dumbbell, or barbell. Each weight assembly comprises a housing fixedly connected to the handle, a pin movably connected to the housing, and a plurality of stacked weights adapted to fit within the housing. The pin selectively engages one weight, allowing precise weight adjustment. When the handle lifts the housing, the selected weight and all weights above are lifted together. In a kettlebell embodiment, a single weight assembly is attached to the handle. In a dumbbell embodiment, two weight assemblies are fixed to opposite ends of the handle. In a barbell embodiment, the handle comprises two detachably connected rods, each rod with a weight assembly at its free end. This configuration allows users to easily adjust the resistance by selecting different weights through the pin, accommodating various fitness levels.

A weight-adjustable dumbbell includes a handle and counterweight block groups. The counterweight block groups include main counterweight blocks and auxiliary counterweight blocks. The main counterweight blocks are fixedly connected to two ends of the handle. One side of each auxiliary counterweight block is provided with a boss. Two ends of the boss are provided with fan-shaped convex blocks arranged correspondingly. One side of each auxiliary counterweight block away from the boss and one side of each main counterweight block away from the handle are both provided with grooves that are matched with the boss. Two sides of the grooves are provided with fan-shaped slots that are matched with the fan-shaped convex blocks. Mounting clamping slots that are matched with the fan-shaped convex blocks are arranged between inner sides of the grooves and the fan-shaped slots on the two sides.

A two-handed dumbbell lifting device is disclosed for picking up, using, and moving dumbbells. The two-handed dumbbell lifting device comprises a two-piece body that can be attached to a dumbbell handle or bar, and a pair of grips attached to opposing sides of the body providing a left and right grip for the user. The two-handed dumbbell lifting device also comprises various pivot points that enable the grip to tilt at selected positions and further will enable the grip to rotate along different degrees of axis as related to the body. The two-handed dumbbell lifting device also comprise a locking feature that will lock the two body halves together around the existing dumbbell handle or bar.

There is provided an adjustable dumbbell including a dumbbell body, dumbbell plates, and a dumbbell base for placing the dumbbell body and dumbbell plates. The dumbbell implements transmission in a mode of meshing internal gear rings with gear sets and meshing the gear sets with teeth on telescopic sleeves, such that a high transmission efficiency is achieved, a torque of a handle can be more efficiently converted and transmitted to the telescopic sleeves, the telescopic sleeves can make a faster response, and a weight adjustment speed of the dumbbell is increased. A structure used in the transmission mode has greater load-bearing capacity, has higher wear resistance than a structure in a nut and lead screw mode, and there will be no situation where the dumbbell cannot be used due to thread wear after long-term use.

The present disclosure provides a weight box for fitness equipment, including a base, at least one weight plate, and a box body detachably connected to the base, wherein a cavity is formed between the box body and the base and configured for receiving the at least one weight plate. A first connection portion is arranged on the base of the weight box and configured to connect with a holding rod, so as to assemble the fitness equipment into a dumbbell or barbell. A second connection portion is provided on two opposite sides of the weight box and configured to connect with a lifter, so as to assemble the fitness equipment into a kettlebell or a spring exerciser. The weight box provided by the present disclosure can not only be used for various fitness equipment, but also be quickly assembled.

A free-standing A-frame exercise equipment cabinet comprising a first portion of the free-standing A-frame exercise equipment cabinet configured to removably house first exercise weight plates of a plurality of different sizes and a plurality of different weights. A second portion of the cabinet is configured to house a computer screen display. A third portion of the cabinet is configured to house at least one camera, one or more processors, and memory storing instructions that, when executed by the one or more processors, cause the cabinet to present a display on the computer screen display housed in the second portion of the cabinet. A fourth portion of the cabinet is configured to removably house at least one barbell and a plurality of dumbbells. A fifth portion of the cabinet comprises four legs of the cabinet that allow the cabinet to stand upright without additional support.

A dumbbell handle, a dumbbell and a dumbbell base, wherein the dumbbell handle comprises: a handle body; a gear rotation assembly, wherein a planetary gear mechanism is sleeved on one end of a gear shaft, another end of the gear shaft is nested in a first cavity, and an inner wall of each of two ends of a second cavity of the gear shaft is provided with a first protruding block; a telescopic shaft, wherein a thread groove that matches the first protruding block is provided in a side wall of the telescopic shaft; and a cam mechanism, wherein a driving wheel engages with a driven wheel, an elastic member is arranged on the side of the driven wheel away from the driving wheel, the driving wheel is sleeved on an end portion of the gear shaft, and the driving wheel is driven by the gear shaft to rotate.

The utility model discloses a water-filled dumbbell which comprises a flexible ball body, and the ball body is of a hollow structure and is used for being filled with water. A handle is welded on the flexible ball body in a thermoplastic manner; a water injection opening is formed in the lateral upper position of the flexible ball body; an automatic valve is welded to the water injection opening through thermoplastic welding. The automatic valve comprises an outer valve body, an inner valve body and a core valve; the inner valve body is fixed in the outer valve body through a connecting rod, and the inner valve body and the outer valve body are coaxially designed; the core valve penetrates through the inner valve body, a sealing piece is arranged at the bottom of the core valve, a pressing handle is arranged at the top of the core valve, a spring is arranged between the pressing handle and the inner valve body, and the sealing piece keeps blocking the outer valve body under the action of the spring. The valve structure is improved, use is more convenient, and the service life is longer.

The present disclosure provides a dumbbell bench, comprising a front leg part and a rear leg part, wherein the front leg part is hinged with the rear leg part in a limited manner, the front leg part is provided with a cushion part and an elbow pad part in a limited hinging manner, and the cushion part and the elbow pad part may rotate relative to the front leg part at a limited angle, respectively; and the rear leg part is provided with a backrest part in a limited hinging manner, and the backrest part may rotate relative to the rear leg part at a limited angle.

Provided is a novel adjustable dumbbell, including a handle and counter weights arranged on two sides of the handle, where each of the counter weights takes a dumbbell plate group as a weight core and is limited by a positioning frame; meanwhile, through cooperation of a positioning pin, a mounting hole in the positioning frame and a dumbbell plate unit re-positioning hole, the dumbbell plate unit can be increased / reduced through simple plugging and unplugging of the positioning pin, so that the weight of the dumbbell can be increased / reduced. The novel adjustable dumbbell is simple in structure and convenient to operate.

An exercise system comprising a clamp for securing or engaging a dumbbell. The system may include a cable connector and the clamp. The cable connector includes an aperture that is configured to engage a corresponding attachment of a cable. The clamp has an open configuration and a closed configuration. The clamp defines a first cavity and a second cavity. When the clamp is in the open configuration, the first cavity is configured to receive a portion of exercise equipment and the second cavity is configured to receive a portion of the cable connector. When the clamp is in a closed configuration, the clamp is configured to secure the cable connector relative to the exercise equipment.