1194 results about "Dumbbell" patented technology

A dumbbell with multiple gears of weight adjustment is provided, which includes a dumbbell body, dumbbell pieces provided at two ends of the dumbbell body, and two adjustment mechanisms respectively provided at the two ends of the dumbbell body. The dumbbell body includes a grip rod, a center rod, and two sets of shell components respectively provided on two sides of the grip rod. The center rod is rotatably provided at a center position of the grip rod; each shell component includes a main body shell and a plurality of connection discs. The main body shell is rotatably connected to the grip rod and fixed to the central rod. The connection disks are fixedly provided on the central rod and are distributed along a central length direction. The present application has the effect of improving a weight adjustment efficiency of the dumbbell.

A dumbbell comprises a dumbbell body and a weight plate set, wherein the weight plate set comprises a weight plate and a locking mechanism; the locking mechanism comprises an accommodating disk, a limiting device and a limiting disk; the limiting device comprises a limiting block and a transmission block; the limiting block has a locking position and a releasing position; a limiting rail groove is arranged on the limiting disk; the limiting rail groove has a locking section and an opening section; a locking notch is also arranged on the accommodating disk; and a locking part is arranged on the weight plate; when in use, the dumbbell body is rotated, and the dumbbell is used for training such as pushing, lifting, lifting and squatting.

The application relates to a dumbbell which is convenient for adjusting a load. By arranging telescopic sleeves which can be telescopically adjusted in a handle of the dumbbell, a number of counterweights nested on the telescopic sleeves is controlled, thus achieving an easy adjustment of the load. By arranging a rotatable knob, the telescopic sleeves inside the handle are driven to act through a gear transmission. Meanwhile, due to a position limitation of a division bar of the dumbbell, the counterweights nested on the telescopic sleeves are prevented from sliding left and right, thus ensuring a firm coupling.

A dumbbell comprises a dumbbell body, a base and a locking mechanism, wherein the dumbbell body comprises a handle and a plurality of weight plates, a plate selection mechanism is arranged between the handle and the weight plates, and plate selection mechanism locks the weight plates by rotating the handle; when the weight plates are locked by the plate selection mechanism, the locking mechanism is in a released state, and when the weight plates are not locked by the plate selection mechanism, the locking mechanism is in a locked state.

An adjustable dumbbell, comprising a dumbbell assembly, a dumbbell seat and dumbbell pieces, the dumbbell assembly comprises a dumbbell bar and connecting discs, which are provided with a positioning groove and a connecting block slidingly connected in the positioning groove, and the connecting disc is provided with an elastic component; the dumbbell assembly comprises a handle grip and gear blocks, and the glove and the gear block are fixed circumferentially, and the gear block has an outwardly pushing part and an inwardly shrinking part in the circumferential direction; the dumbbell piece is provided with a connecting groove, when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove; the connecting block abuts against the pushing part, the connecting block is snapped into the connecting groove; when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove.

A fast adjustable dumbbell is provided, which includes a handle provided with a first accommodation cavity; a plurality of dumbbell pieces, two groups of dumbbell pieces are respectively provided at outer sides of two ends of the handle, and the dumbbell pieces are provided with first through holes; a rotatable shaft including two independent half shafts, which are provided in the first accommodation cavity, the two half shafts can move relative to the handle, and outer surfaces of the two half shafts are provided with symmetrical first threads; two transmission components respectively fixed at the two ends of the handle, and the transmission components are provided with second through holes corresponding to the first accommodation cavity. Hole walls of the second through holes are provided with second threads that are engaged with the half shafts; when the handle is rotated, the two transmission components are driven to rotate.

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.

A safety hook is provided. The safety hook is configured to reversibly support a handle of an object horizontally above the ground. The safety hook includes a bracket, a shank end of a flat hook extending from a top bracket surface, a first J-hook shank end of a first J-hook extending from a bottom bracket surface, and a second J-hook shank end of a second J-hook extending from the bottom bracket surface and spaced apart horizontally from the first J-hook. A method of using a safety hook is further provided.

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 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.

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.

An adjustable dumbbell includes a dumbbell bar, linear adjusting mechanisms and counterweight mechanisms disposed at both ends of the dumbbell bar. The dumbbell bar includes a sleeve and two telescopic mandrels disposed in the sleeve and in sliding fit with each other, the counterweight mechanisms are coaxially disposed at both ends of the dumbbell bar, and configured to provide the overall weight of the adjustable dumbbell. Each linear adjusting mechanism includes a limiting assembly and a gear adjusting assembly. The gear adjusting assembly is configured to allow the two telescopic mandrels to be close to or away from each other, so as to control the overall combination length of the two telescopic mandrels. The limiting assembly is configured to limit the gear adjusting assembly.

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 present disclosure includes an article of exercise equipment, such as, to a dumbbell having an ergonomic design. In some embodiments, the dumbbell may comprise an exposed metal handle having a central longitudinal axis extending through the handle; two heads located at opposite ends of the handle, with each of the heads including an outer end face and an inner end face positioned closer to the handle than the outer end face, and a plurality of side faces disposed between the outer end face and the inner end face; and a plurality of rims. Each of the plurality of side faces may face radially outward away from the central longitudinal axis, and each rim of the plurality of rims may include a fillet.

The utility model provides a self-monitoring dumbbell pin, and belongs to the technical field of dumbbell pin state monitoring. The self-monitoring dumbbell pin is characterized in that a magnetic body is arranged in a switch of a sensor, the magnetic body corresponds to a metal part in position, the metal part can provide a metal environment for the magnetic body of the switch, and the magnetic body close to the metal part is attracted through the metal part; the switch is in an off state; when the dumbbell pin breaks down and the dumbbell pin is separated from the middle groove, the sensor is separated from the metal part, and the metal part cannot attract the magnetic body in the switch, so that the switch is recovered to a conducting state; the position relation between the metal part and the switch can be obtained from the on-off state of the switch of the sensor, that is, whether the dumbbell pin is separated from the middle groove or not is monitored through the sensor on the dumbbell pin, the condition that the dumbbell pin is separated from the dumbbell pin groove serves as the triggering condition for judging the fault, and the fault triggering condition is more universal; the accuracy and reliability of fault monitoring and judgment results can be improved.

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.

The disclosure describes a novel portable grip and finger strength training hangboard. The apparatus allows user to perform weightlifting exercises, with a focus on grip strength training. The device is unique as it eliminates the use of intermediary items such as ropes, or bolts for latching onto a source of resistance. The source of resistance is gym equipment comprising dumbbells, barbells, and pullup bars. The device of this disclosure has two main components, the gripping mechanism and the built-in hook mechanism. The user interacts with the gripping mechanism and adjusts their hands to the desired grip, such as pinch or crimp grip. The gripping mechanism of the device has varying embodiments and features comprising of grooves, loops and ridges. The built-in hook anchor of the device quickly latches on to the source of resistance and allows the user to easily change resistance from one workout to next.

The novel multifunctional dumbbell stool comprises a mounting seat, the left side of the mounting seat is rotationally connected with a seat cushion, the right side of the mounting seat is rotationally connected with a back cushion, the left side of the mounting seat is fixedly connected with supporting legs, the right side of the mounting seat is fixedly connected with a supporting frame, and the right end of the supporting frame is fixedly connected with a U-shaped frame; the left side of the supporting leg is rotationally connected with a frame body, and a handle and a leg limiting roller are fixedly installed on the left side of the frame body. The multifunctional dumbbell stool has the advantage of multiple functions, and the problems that an existing dumbbell stool is single in function in the using process, the angles of a seat cushion, a back cushion and a leg limiting structure are inconvenient to adjust, the exercise requirements of users with different body types are difficult to meet, an elastic band is difficult to fix, and multiple training modes of the users are affected are solved.

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