771results about "Dumb-bells" patented technology

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.

An adjustable kettlebell and a kettlebell kit are provided, the adjustable kettlebell includes a kettlebell shell; one or more kettlebell pieces, each of the kettlebell pieces is provided with an adjustment component; when the adjustment component is connected to the kettlebell shell, the corresponding kettlebell piece of the adjustment component is provided on the kettlebell shell; and a driving mechanism provided on the kettlebell shell, and the driving mechanism includes a driving component configured to drive any number of adjustment components to connect to the kettlebell shell. This application has the effect of enabling users to meet the needs of different exercise intensities by purchasing only one kettlebell.

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.

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.

A kettlebell comprises a main weight block and several weight blocks, a teeth meshing plate is disposed on a top surface of the main weight block; a rotating shaft having an upper engaging rod and a lower engaging rod, the lower engaging rod optionally engages on the teeth meshing plate; a large teeth plate can move elastically, the large teeth plate is provided with first engaging teeth on a periphery of a through hole annularly; a connecting plate annularly provided with second engaging teeth movably meshing with the first engaging teeth, a lower end surface of the connecting plate is annularly provided with connecting teeth connected with the upper engaging rod. Positions of the connecting plate can be changed through the upper engaging rod, the main weight block can be fixed on the lower engaging rod, so that actions of the kettlebell can be switched reliably, and the rotating shaft can rotate freely without weight.

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.

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.

A barbell includes a bar having opposed end portions, each having an annular slot extending around the end portion, and a pair of sleeve assemblies connected to the end portions. Each sleeve assembly includes a sleeve having an axial bore receiving one of the end portions of the bar and a connection assembly including a split ring having two semi-annular pieces received within the slot, a proximal washer positioned axially inward from the split ring and engaging an inward side of the split ring, a distal washer positioned outward from the split ring, the distal washer engaging an outward side of the split ring, an annular member around the split ring, radially retaining the semi-annular pieces within the slot, and a retaining member engaging the distal washer and the bore to retain the connection assembly in connection with the bar and the sleeve.

A glute hamstring developer exercise machine includes a vertical post extending from a lower end to an upper end; a user body support system coupled to the vertical post, the user body support system having one or more pads to support the user in a plurality of positions; and a primary frame supporting the one or more pads and extending substantially from the vertical post; at least one weight arm positioned substantially underneath the one or more pads, the at least one weight arm is to be operated by the user to perform one or more exercises.

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

Disclosed is a weight training equipment storage rack system for storing weight training equipment, comprising: a main frame including an upright having a plurality of mounting holes formed therethrough and arranged along a center longitudinal axis of the upright; and a plurality of hanging shelves, each including a fixing rod and an equipment storage unit, the fixing rod having a rod diameter adapted to a hole diameter of the mounting hole and having a rod length not less than a hole depth of the mounting hole, and the equipment storage unit being formed extending outwardly from the fixing rod for storage of the weight training equipment, wherein each hanging shelf is detachably mounted on the main frame by inserting the fixing rod into a selected one of the plurality of mounting holes for storing various weight training equipment in the respective equipment storage units of the hanging shelves.

A barbell clamp comprises a first sleeve that is sleeved on one end of a barbell bar and a second sleeve that is sleeved outside the first sleeve, the first sleeve gradually decreases in inner and outer diameters from its first end to its second end, an outer wall of the first sleeve is an inclined surface, an inner wall of the second sleeve is in contact with the inclined surface, a limiting assembly is installed on an inner wall of the first sleeve, the limiting assembly limits the position after the barbell bar is properly inserted into the first sleeve, a collar is fixedly mounted on an outer end of the first sleeve, an outer surface of the collar is matched with an outer surface of a weight plate, which can effectively prevent the barbell from sliding off.

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.

A variable weight instability mace and long bar exercise device includes a hand-held shaft with one or more rotational connectors, each suspending a weight via a flexible connector such as a chain. The suspended weights swing freely during exercise, creating instability that activates core and stabilizer muscles. The mace includes a single connection point; the long bar includes two, one on each end. The shaft may include grip markings and support various weight types, including plates and lightweight elements such as drilled hockey pucks. The degree of instability is adjustable by changing the chain length or weight. The devices are suitable for users of all fitness levels, including youth athletes.

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.

An adjustment structure of fitness equipment is provided. The adjustment structure of fitness equipment includes a holding component, having a mounting portion, and an assembly hole; an adjusting component, assembled on the mounting portion, and the adjusting component includes an adjusting plate, an adjusting protrusion and a spring; wherein the adjusting plate includes an assembly groove, the adjusting protrusion is movably embedded in the assembly groove, and two ends of the spring elastically against the bottom end of the adjusting protrusion and the bottom surface of the assembly groove respectively; and a movable fastener, including a shank and a head; wherein one end of the shank is connected to the head and the other end is used to movable insert into the assembly hole and the perforation; wherein the shank includes a plurality of serrated notch on outer surface, and the serrated notch corresponds to the incline portion.

A counting kettlebell is provided, which includes a counterweight body, a handle connected to the counterweight body, and a rotating part; the rotating part can be rotated relative to the handle; a counting device is further provided, which is provided between the handle and the rotating part, and the counting device includes a counting module; the counting module performs counting when the rotating part is rotated relative to the handle. When in use, the counting device is provided between the handle and the rotating part; when there is a relative rotation between the handle and the rotating part, the counting module in the counting device is triggered to perform counting.

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.

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.

A resistance bar for exercise training includes an elongate body defining a central longitudinal axis extending between first and second ends of the resistance bar, a first handle and a second handle disposed along the elongate body and spaced inward from the distal end regions, each handle being forwardly offset relative to the longitudinal axis, and a first weight compartment disposed between the first and second handles and configured to receive one or more removable weights for selectively adjusting a weight of the resistance bar.

An exercise bar is disclosed to aid one in doing various exercises such as squats and landmines. The bar can be used by itself or anchored to stationary point. The bar is segmented in multiple sections. There are four sections of the bar with one of the center sections being without a sleeve on the bar. The section closest to the landmine anchor point is covered with a sleeve. The segment next to it does not contain a sleeve. The fourth section of the bar is designed to be held by the user while the bar is being used. To aid in holding the bar, the bar contains knurling which traverses the length of the fourth section.

A barbell includes a bar, a first sleeve assembly having a first sleeve with a first proximal bore portion, a first distal bore portion, and a first central bore portion extending therebetween. An inner proximal bushing is received in the first proximal bore portion, a proximal bearing received in the first proximal bore portion and having two sets of roller bodies positioned between inner and outer races. An outer proximal bushing is received in the first proximal bore portion. The outer proximal bushing engages the first sleeve and the outer race. The outer surface of the inner race has a first annular channel receiving the first set of roller bodies and a second annular channel receiving the second set of roller bodies, and the inner surface of the outer race has a concavely curved annular channel receiving both sets of roller bodies.

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.

Dumbbell systems provide a grip; a weight-engagement device having weight-engagement ports; a plurality of weight plates, each weight plate having a grip-engagement port; wherein the plurality of weight plates provides an incrementally-variable mass of weights. Further, a telescoping dumbbell system provides a cylindrical base comprising a grab and optionally a circular bearing race rotationally supporting the grab; a base weight selecting pin slidably attached to the cylindrical base; a first plurality of nested weight cylinders; and wherein the first plurality of nested weight cylinders provides an incrementally-expandable mass of weights. A dumbbell comprises a grip, a weight plate permanently affixed to the grip, the weight plate defining an opening about the grip sufficient in size for a human hand to grasp the grip, and two or more stacking structures on the weight plate. A barbell system engaging any of the foregoing dumbbell systems, dumbbells, or telescoping dumbbell system also appears.