678 results about "Dumbbell" 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.

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.

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.

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 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.

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.

1. Name of the designed product: Fitness equipment (dumbbell). 2. Use of the designed product: For exercising the body. 3. Design points of the designed product: In shape. 4. Picture or photo that best shows the design points: Design 1 perspective view. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of bearing grease injection and homogenization, in particular to a bearing grease injection device. Comprising a grease injection table and a grease injection frame on the upper surface of the grease injection table. The grease injection frame is downwards connected with a grease injection box through an air cylinder. The grease injection box is communicated with a grease barrel through a material pipe; the lower surface of the grease injection box is fixedly connected with a fixed disc through a connecting rod; the dumbbell sleeves can be driven to get close to or get away from the fixing blocks along the upper sliding grooves in the rotating process of the rotating disc, under the condition that the dumbbell sleeves get close to or get away from the fixing blocks synchronously, the radial positions of the dumbbell sleeves on the fixing disc can be decreased or increased synchronously, and the grease injection heads can move along with movement of the dumbbell sleeves; in this way, the radial positions of the multiple grease injection heads on the fixing disc are adjusted, then multi-point simultaneous grease injection of bearings with different diameters is achieved, and universality is high.

1. Name of the product in this design: Dumbbell (with adjustable weight and base). 2. Purpose of this design: Dumbbells for fitness exercises. 3. The key design features of this product are its overall shape. 4. Images or photos that best illustrate the design key points: Use a combination of state diagrams. 5. Other situations requiring explanation: This design is a component design, consisting of component 1, component 2 and component 3. Component 1 is named: main dumbbell, component 2 is named: auxiliary dumbbell, and component 3 is named: dumbbell base.

The utility model belongs to the technical field of dumbbell structure improvement, and particularly relates to a multifunctional fitness dumbbell which comprises two dumbbell rods, two installation sleeves, a plurality of dumbbell pieces, two handle supports and a barbell rod, first external threads are arranged at the two ends of the outer side wall of each dumbbell rod, first internal threaded holes are formed in the two ends of each barbell rod, and first external threads are arranged in the first internal threaded holes. A second inner threaded hole penetrates through the portion between the left end and the right end of the mounting sleeve, the second inner threaded hole and the first inner threaded hole are both matched with the first outer threads, a second positioning table is arranged at one end of the mounting sleeve, the other end of the mounting sleeve is detachably and fixedly connected with the dumbbell piece and the handle support, and a support is arranged on the handle support. The multifunctional fitness dumbbell integrates the functions of a dumbbell, a barbell, a kettle-bell and a push-up support, the conversion operation among the functions is simple and convenient, and the diversified fitness requirements of people are greatly met.

1. The name of the design product: dumbbell ring. 2. The use of the design product: used as exercise equipment for body building. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view.

The application discloses a self-walking maintenance device suitable for a dumbbell-shaped arch rib, which comprises a working platform, a limiting system, a walking system, a balancing system and a braking system. The working platform is used for maintenance work of workers. The walking system is arranged at the bottom of the working platform and is attached to the arch rib at the bottom of the walking system, so as to drive the working platform to walk along the arch rib. The balancing system is arranged at the bottom of the working platform and is used for stability adjustment of the working platform, so that the working platform can be kept in a horizontal state. The braking system is used for braking of the device on the arch rib.

1. Name of the product in this design: Dumbbell (55 lbs). 2. Purpose of this design: Dumbbells for exercise. 3. The key point of the design of this product lies in its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. The name of the design product: dumbbell conversion rod (dumbbell rod). 2. The use of the design product: the design product is used for weight conversion dumbbells to barbell training fitness equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: dumbbell. 2. The use of the design product: for exercise equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The utility model relates to the technical field of dumbbells, and discloses a safety dumbbell rod with an anti-loosening structure, which comprises a dumbbell rod main body and locking nuts, the locking nuts are arranged at the two ends of the dumbbell rod main body, springs are arranged on the outer sides of the locking nuts, spring seat sleeves are arranged at the two ends of the springs, and the spring seat sleeves are connected with the dumbbell rod main body. The dumbbell piece is fixed to the dumbbell rod through the locking nut, the spring is arranged on the outer side of the locking nut, the spring is arranged on the outer side of the spring seat sleeve, top plates are arranged on the two sides of the outer wall of the spring seat sleeve on the side away from the locking nut, strip-shaped grooves are formed in the two ends of the dumbbell rod body, and fixing teeth are arranged on the inner walls of the upper side and the lower side of each strip-shaped groove. The locking nut can be pressed all the time, so that the locking nut is prevented from loosening due to vibration; during use, the position of the inserting rod in the strip-shaped groove is adjusted, so that the inserting rod is close to or far away from the locking nut, the compression degree of the spring is adjusted, and the pressure, borne by the locking nut, of the spring is adjusted.

The utility model belongs to the technical field of exercise equipment, and particularly relates to a rehabilitation training dumbbell integrated with a grip strength measuring function, which comprises a main body rod, counterweight rings are sleeved on the outer sides of the two ends of the main body rod, a moving groove is arranged on the inner side of the main body rod, and moving ports are connected to the tops of the two ends of the moving groove in a penetrating manner. A moving opening is formed in the top face of the main body rod and penetrates through the top face of the main body rod, a pressure sensor is fixed to the top face of the inner side of the moving groove, a grip is fixedly connected to the top face of the main body rod, and a training assembly is arranged on one side of the grip and comprises a traction rod, a connecting rod, an extrusion plate, an extrusion spring and an attaching plate. And connecting rods are fixed to the bottoms of the two ends of the traction rod and penetrate through the moving openings, extrusion plates are fixedly connected to the lower ends of the connecting rods, extrusion springs are fixed to the side walls of the extrusion plates, and attaching plates are fixed to one ends of the extrusion springs. The multifunctional dumbbell can be used as a hand-muscle developer, a dumbbell and a bell kettle, and is convenient to use and strong in functionality.

1. The name of the design product: dumbbell piece. 2. The use of the design product: for fitness, belonging to the parts of fitness equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

1. Name of the product in this design: Dumbbell rack. 2. Purpose of this design: To hold dumbbells. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model provides a dumbbell with a locking device arranged between a dumbbell piece and a dumbbell rack, and aims to solve the problem that the dumbbell piece locking device on the dumbbell in the prior art is poor in dumbbell piece fixing effect, so that the potential safety hazard that the dumbbell piece falls off when the dumbbell is used is caused. A dumbbell with a locking device arranged between dumbbell pieces and a dumbbell rack comprises a base, and the dumbbell pieces are arranged on the base; a locking device is arranged between each dumbbell piece and the dumbbell rack, and the dumbbell pieces are arranged on the dumbbell rack; a driving piece and a resetting piece are arranged between each group of second locking assemblies and the dumbbell rack; when the acting force of the driving piece on the second locking assembly is large, the two sliding pieces draw close to the first locking piece from the two opposite sides and are locked with the first locking piece, and the corresponding dumbbell pieces are loaded on the dumbbell frame from the base. The dumbbell piece is more stable after being locked, and the risk that the dumbbell piece falls off when the dumbbell piece is used can be effectively avoided.

The eyelid massager 100 comprises: a handle 102 having a free end 104; and a roller 106 pivotally connected to the free end of the handle. The roller 106 is dumbbell-shaped, the curvature of the outer surface of the roller being matched to the curvature of the closed eye of the user such that during a massage action, the roller 106 comes into contact with the eyelid along the entire length of the eye to press a plurality of meibomian glands associated with the eyelid, promoting release of occluded grease. The handle 102 is Y-shaped 200 at the free end 104 to pivotally retain the roller 106 at both ends 204 by a pair of inwardly extending pins 202 that engage a pair of holes provided on the roller 106. The roller 106 is made of silicone rubber and a curved portion of the outer surface has a plurality of ribs 208.

The utility model discloses a hanging disc structure and a weight-adjustable dumbbell with the same, and the hanging disc structure comprises a hanging disc, the hanging disc comprises a hanging disc main body part and a hanging tooth part, the hanging disc main body part is provided with a through mounting hole, and the hanging tooth part is arranged on one side of the hanging disc main body part in the axial direction of the mounting hole; the reinforcing part is arranged on the hanging disc main body part, part of the reinforcing part is located in the hanging tooth part, and the hardness of the reinforcing part is larger than that of the hanging disc. According to the hanging disc structure and the weight-adjustable dumbbell with the hanging disc structure, the reinforcing piece is arranged on the hanging disc main body part, the hardness of the reinforcing piece is larger than that of the hanging disc, and part of the reinforcing piece is located in the hanging tooth part, so that the strength of the hanging tooth part and the strength of the connecting part of the hanging tooth part and the hanging disc main body part are remarkably improved, and the situation that the hanging tooth part is broken is avoided; the service life of the dumbbell is prolonged, and the user experience is improved.