135 results about "Volleyballs" patented technology

A volleyball training system incorporates a training volleyball with ball attachment panels with ball hook-and-loop fastener exposed for detachable attachment of a tether panel by the panel hook-and-loop fastener. The tether panels have an attachment side with the panel hook-and-loop fastener and an exposed side having a tether coupler, such as a tether coupler loop configured to detachably attach with a tether. A single tether may be attached to one of the tether panels and may be attached to a belt, or two tethers, such as suspension tethers may be coupled to two separate tether couples, preferably on opposing sides of the training volleyball to enable the training volleyball to be suspended from supports. The detachable tether couplers enable a person to use the training volleyball for normal play with the tether panels removed. A variety of volleyball hitting types may be practiced with the volleyball training system.

The novel environment-friendly integrated volleyball is composed of an inner container, a nylon wire framework, a middle tire and leather from inside to outside, the inner container is a gas-carrying elastomer located on the innermost layer, and the nylon wire framework is formed by evenly winding nylon wires on the surface of the inner container along the center line of the inflatable inner container through a single wire winding method. The middle tire is formed by dipping gasoline mucilage on the inner container and the nylon wire and then heating or naturally airing the gasoline mucilage, and the leather is located on the outermost layer. The invention further discloses a preparation method of the novel environment-friendly integrated volleyball. According to the preparation process of the integrated volleyball, an adhesive is not used, and the middle tire and the leather are pressed together by heating the mold and applying pressure to the middle tire and the leather, so that the production process flow is simplified, the production efficiency is improved, and the product is good in environmental protection property, excellent in performance and high in durability.

To provide a wheel bearing device capable of ensuring rigidity and durability, and capable of preventing increase of friction while preventing a weight from increasing.SOLUTION: A wheel bearing device 1 is configured so that a pitch circle diameter PCDb of an inner side ball row 5 or an outer side ball row 6, and an axial distance c between a center P1 of a ball in the inner side ball row 5 and a center P2 of a ball in the outer side ball row 6 satisfy the relation: 3<PCDb / c<4, and the maximum number n of balls 7 that can be accommodated in the inner side ball row 5 or the outer side ball row 6, and the number N of balls 7 accommodated in the inner side ball row 5 or the outer side ball row 6, which is the same ball row as the ball row with the maximum number n satisfy the relation: n-2≤N.SELECTED DRAWING: Figure 1

1. The name of the design product: balloon needle. 2. The use of the design product: the design product is used to deal with different scenarios for various ball such as basketball, football, volleyball inflation. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

The utility model discloses a novel volleyball inner container structure which comprises an inner container, the inner container is integrally formed by a first forming block and a second forming block, and each of the first forming block and the second forming block is provided with an outer welt and two inner welts. A plurality of adjacent first forming blocks are attached to one another through the inner welts, a plurality of adjacent second forming blocks are also attached to one another through the inner welts, and the adjacent first forming blocks and the adjacent second forming blocks are attached to one another through the outer welts. The volleyball inner container is integrally formed through rubber materials at high temperature and high pressure, splicing links are reduced, the problems that in a traditional splicing production process, the splicing positions are prone to abrasion, cracking and the like are solved, the air tightness and durability of the inner container are enhanced, the integrally-formed production process is simple, the production period is short, the production cost is low, and the volleyball inner container is suitable for popularization and application. And the sizes of the produced liners can be kept consistent to the maximum extent, so that the production quality and the production efficiency can be both considered.

The application discloses a sports volleyball interval type serving device and relates to the field of sports apparatuses. The sports volleyball interval type serving device can conveniently collect volleyballs for users, and comprises a moving frame, a serving device, first telescopic members, a supporting platform, a through pipe and a second telescopic pipe. The moving frame is symmetrically connected with the first telescopic members on both sides. The first telescopic members are symmetrically arranged and connected with the supporting platform. The supporting platform is connected with the through pipe. The through pipe is connected with the second telescopic pipe on the side away from the first telescopic members. The two supporting platforms are moved outward, and the supporting frame is moved forward by a multi-section electric push rod, so that the first telescopic members and the second telescopic pipe are stretched, and the position of the ball inlet can be controlled, so that the user can collect the ball nearby and does not need to run to the serving device position to collect the ball.

The present invention belongs to the technical field of training equipment. Disclosed is a volleyball serving device for volleyball training. The volleyball serving device comprises a fixing base, wherein a bottom plate is rotationally connected to the fixing base, a ball storage mechanism and a ball serving mechanism are provided on the bottom plate, and the ball storage mechanism is in communication with the ball serving mechanism; the ball serving mechanism comprises a ball serving tube arranged on the fixing base, and a side wall of the ball serving tube is in communication with an outlet in the bottom end of the ball storage mechanism; a ball serving assembly for ejecting volleyballs is provided in an inner cavity of the ball serving tube; the ball serving assembly comprises a ball pushing plate movably connected in the ball serving tube, and the ball pushing plate is drivingly connected to a driving assembly arranged in the ball serving tube; and the driving assembly comprises a driving shaft arranged on a side wall of the ball serving tube, a driving block is drivingly connected to the driving shaft, and the driving block is embedded in and fixedly connected to the ball pushing plate. The present invention has a simple structure, is convenient to use, and can randomly provide different ball serving states according to the design, thereby improving the simulation of ball serving authenticity, and improving the training effect.

To provide an automatic ball discharge device equipped with a mechanism that automatically pops out a ball from a hole. [Solution] When a ball enters the hole, the ball activates a mechanism, the ball control device starts rotating, and when it reaches a predetermined position, the ball launching device activates, pushing the ball out from underneath.

1. Name of the product in this design: Volleyball hoop. 2. Purpose of this design: A volleyball stand for fitness enthusiasts. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention discloses a foamed solid laminated ball, comprising a solid core, an adhesive film layer, and a ball sheet arranged sequentially from the inside out. The specific manufacturing process is as follows: a pre-prepared foaming material is injected into a mold cavity to form a foamed solid core; the mold cavity is shaped like a basketball, soccer ball, volleyball, or rugby ball. An adhesive layer is applied to the prepared foamed solid core, and the processed ball sheet is also coated with an adhesive layer. The adhesive-coated ball sheet and the adhesive-coated solid core are then bonded together manually or automatically to form a solid laminated ball. The solid laminated ball is placed in a heated mold, where the core and the ball sheet are firmly bonded together under high temperature. This patented foamed solid core has a short manufacturing process, low labor costs, and its elasticity is unaffected by changes in air pressure, requiring no inflation and never leaking.

The utility model relates to a volleyball recovery device and a vertical mill. Wherein the volleyball recycling device comprises a collecting tank, a liquid discharging channel and a separation net, a collecting cavity is used for being arranged below a volleyball outlet of the vertical mill to contain ore pulp and steel balls discharged by the vertical mill, the two ends of the collecting tank in the first direction are a first retaining wall and a ramp respectively, and the first retaining wall is adjacent to or attached to the vertical mill; the height of the ramp is gradually increased in the direction away from the vertical mill, the ramp is lower than the height of the first retaining wall, the liquid drainage channel is formed in the bottom of the collecting pool, and the partition net covers an inlet of the liquid drainage channel. According to the volleyball recycling device, protection is formed in the falling process of ore pulp and steel balls through the collecting pool, the ore pulp and the steel balls are prevented from splashing, the ore pulp and the steel balls are effectively separated through the liquid discharging channel and the separation net, natural accumulation of the steel balls is achieved, workers can recycle the steel balls conveniently, the steel ball recycling efficiency is improved, repeated steel ball transferring is avoided, and the labor intensity of workers is relieved. And loss and potential safety hazards caused by multiple times of steel ball transfer are reduced.

1. Name of the product in this design: Leather (HF-8). 2. Application of this design: This design is intended for use in the manufacture of leather products, such as the outer skin of balls, including basketballs, volleyballs, footballs, rugby balls, etc.; or for the manufacture of leather products such as clothing, handbags, furniture, and automotive leather. 3. The key design elements of this product are its shape, pattern, and their combination. 4. The image or photograph that best illustrates the design's key features: the front view. 5. This design is a two-dimensional product, and the left view, right view, top view, and bottom view are omitted. 6. Other situations requiring explanation: Other explanation: Part A is an enlarged view of point A in the main view. The design of this product features a continuous pattern on the front of the product, with no defined boundaries.

A volleyball training device, including: a mounting mechanism, a collection mechanism and a ball-control mechanism. The mounting mechanism is configured to secure the volleyball training device to a position for use. The collection mechanism is configured to receive and temporarily store balls. The ball-control mechanism and / or the collection mechanism are connected to the mounting mechanism, and the ball-control mechanism is located below the collection mechanism. The ball-control mechanism includes a ball-control assembly and an abutment member, and the ball-control assembly defines a spiking position and configured to position a first ball the abutment member rotatably connected to the ball control assembly and configured to selectively abut or release a second ball from the collection mechanism; when the first ball is spiked and moves out of the spiking position, the abutting member rotates from an abutting state to a released state, allowing the second ball to descend to the spiking position.

The invention discloses an industrial solid waste raw material cementing material mixing device, which comprises a ball milling cylinder, a volleyball screening assembly is arranged on the ball milling cylinder, the volleyball screening assembly comprises a sleeve, the cylinder wall of the ball milling cylinder is rotatably connected with a ball separation roller, the bottom of the sleeve is fixedly provided with a connecting cylinder, and a screening box is arranged between the connecting cylinder and the ball milling cylinder. Inclined plates are fixedly and symmetrically connected to the inner side of the screening box, the distance between the two inclined plates is gradually increased, the inclined plates are inclined in the horizontal direction, the inclined plates are used for screening steel balls of different sizes into the screening box, and the ball separation roller is used for taking out the steel balls of different sizes in the ball milling cylinder. The proportion of grinding steel balls with different sizes in the ball-milling cylinder can be accurately adjusted through the volleyball screening assembly, when production materials need to be ground to different sizes, the steel balls can be taken out or added according to the actual production condition, the proportion of the steel balls can be adjusted without shutdown, and the production efficiency and flexibility are greatly improved.

The invention discloses a volleyball player intelligent training optimization system based on big data, and relates to the technical field of physical training and big data analysis, the system comprises a data perception and fusion module used for collecting and fusing multi-dimensional physiological and motion data, and constructing unified state characterization; the multi-target adaptive decision module is used for generating a personalized training strategy considering technical improvement, fatigue control and injury prevention through a multi-target optimization algorithm; and the team co-evolution module is used for mining complementarity of players by using a graph neural network and an evolution algorithm and optimizing a team pairing and rotation strategy. Exercise data are collected in real time through the wearable device and the camera, a personal training plan is dynamically adjusted through reinforcement learning, self-adaptive training is achieved, and the injury risk is reduced; meanwhile, the length is analyzed according to the performance of the players, the pairing of the players is intelligently optimized, the overall strength and training efficiency of a team are improved, and the comprehensiveness and individuation of training evaluation and decision making and the scientization of team collaboration are achieved.

The invention relates to the technical field of intelligent volleyball penalty, in particular to an intelligent volleyball match penalty method based on track point prediction and image detection, which comprises the following steps of: obtaining match fragment motion monitoring data, and calculating to obtain a track offset evaluation coefficient according to actual three-dimensional coordinate time sequence data and predicted three-dimensional coordinate time sequence data of a ball body; calculating to obtain a position compliance evaluation coefficient based on the two-dimensional coordinate time sequence data of the players' standing positions and the legal standing position area matrix; further calculating a comprehensive violation coefficient and generating different pre-judgment instructions; when a track early warning instruction is generated, carrying out dual-channel image acquisition, acquiring a ball track image set by adopting a high-speed camera at a 45-degree depression angle, acquiring a player action image set at a front view angle by adopting a panoramic camera, and calculating out-of-bound probability and foul probability; and when the out-of-bound probability or the foul probability is greater than a preset probability threshold, generating a penalty early warning.

The utility model discloses a net rack for overwater volleyball sports, relates to the technical field of overwater ball nets, and aims to improve the stability of the net rack, adjust the length of the net rack according to the width of a pool and improve the adaptability of the net rack to pools with different sizes, and adopts the technical scheme that the net rack for the overwater volleyball sports comprises a net rack body and a counterweight water bag, the net rack comprises a bottom pipe, a branch pipe, a middle pipe, a top pipe, a hook and a net, the bottom pipe comprises a cross pipe and a screw hole, an adjusting rope and an adjusting buckle are arranged at the two ends of the net, the counterweight water bag comprises a pipe penetrating hole and a water discharging port, the stability of the net rack is improved through the counterweight water bag, and the net rack is protected against damage caused by impact of water flow; and the overall length of the net rack is adjusted by the adjusting rope, so that the adaptability of the net rack to pools with different sizes is improved.

The invention relates to the technical field of volleyball training devices, in particular to a spiking trainer for volleyball training, which comprises a ball feeding barrel and a ball containing barrel, two ball clamping plates are symmetrically fixed at the lower end of the ball feeding barrel, the lower end of the ball containing barrel is communicated with the inner side of the ball feeding barrel through a ball feeding pipe, and the ball containing barrel is fixed on the ground through a support. Through the effect of the transposition mechanism, after a sportsman discharges volleyballs clamped between the two movable clamping plates every time the volleyballs are spiked, the two upper stop levers can be controlled to be combined, the two lower stop levers can be controlled to be separated, so that the volleyballs supported on the two lower stop levers fall between the two movable clamping plates, the effect of automatically supplementing the volleyballs is achieved, continuous spiking training can be achieved, and the training efficiency is improved. The device is simple in structure and convenient to use, all energy of an athlete can be concentrated on spiking skills instead of auxiliary links such as ball picking and preparation, the device is particularly suitable for specialized training scenes such as high-intensity intermittent training and multi-ball continuous spiking, and the training period is effectively shortened.

To provide a gaming machine that can enhance the enjoyment of gaming. [Solution] The game board storage unit comprises a game board housing section to which a game board can be attached, an opening and closing door that covers the front of the game board and can be opened and closed, and a ball circulation unit on which balls can roll. The ball circulation unit comprises a circulation passage, a ball moving section, an opening and closing mechanism, and a ball feeding and counting section. The circulation passage has vibration generating means that generates vibration in a predetermined operating pattern and can guide the balls to the ball moving section. The ball moving section has moving means that can move the balls from a first position to a second position. The opening and closing mechanism can open and close an external discharge port that discharges the balls to the outside of the ball circulation unit. The ball feeding and counting section comprises a launching standby path that can store the balls that have rolled from the ball moving section, and a ball feeding section that sends the balls that have rolled in the launching standby path to a launching device that performs ball shooting.

A volleyball training apparatus is provided for simulating blocking, setting, and other training scenarios. The apparatus includes a mobile base with lockable wheels, optional storage compartments, and a vertical frame supporting a forward-facing mounting plate. The mounting plate is vertically adjustable by a worm-gear crank and cable system with self-locking features, or by alternative pin-and-hole or friction mechanisms. The plate may also tilt forward or backward using manual locking elements to replicate realistic game conditions. One or more arm replicas are mounted to the plate and may be repositioned laterally to simulate different formations. The adjustable height, tilt, and arm positioning enable rapid reconfiguration, allowing coaches to efficiently conduct diverse offensive and defensive training drills.

A volleyball training device, including: a mounting mechanism, a collection mechanism and a ball-control mechanism. The mounting mechanism is configured to secure the volleyball training device to a position for use. The collection mechanism is configured to receive and temporarily store balls. The ball-control mechanism and / or the collection mechanism are connected to the mounting mechanism, and the ball-control mechanism is located below the collection mechanism. The ball-control mechanism includes a ball-control assembly and an abutment member, and the ball-control assembly defines a spiking position and configured to position a first ball the abutment member rotatably connected to the ball control assembly and configured to selectively abut or release a second ball from the collection mechanism; when the first ball is spiked and moves out of the spiking position, the abutting member rotates from an abutting state to a released state, allowing the second ball to descend to the spiking position.

To provide a gaming machine that can enhance the enjoyment of gaming. [Solution] The game board storage unit comprises a game board housing section to which a game board can be attached, an opening and closing door that covers the front of the game board and can be opened and closed, and a ball circulation unit on which balls can roll. The ball circulation unit comprises a circulation passage, a ball moving section, an opening and closing mechanism, and a ball feeding and counting section. The circulation passage has a means for discharging excess balls that exceed a specified number when a specified number of balls have been replenished, and is capable of guiding the balls to the ball moving section. The ball moving section has a means for moving the balls from a first position to a second position. The opening and closing mechanism can open and close an external discharge port for discharging the balls to the outside of the ball circulation unit. The ball feeding and counting section comprises a launching standby path capable of storing the balls that have rolled from the ball moving section, and a ball feeding section that sends the balls that have rolled through the launching standby path to a launching device that performs ball shooting.

The utility model discloses a kind of artificial leather preparation devices for volleyball production, belong to the field of sports goods production, including workbench, several groups of support frame are fixedly arranged on workbench, one group of support frame is rotatably provided with lower roll, telescopic rod is fixedly arranged above lower roll, the telescopic end of telescopic rod is fixedly arranged with moving frame, moving frame bottom end is rotatably provided with upper roll, oil passage is fixedly arranged in the inside of upper roll, rotating bearing is fixedly arranged at the both ends of oil passage, rotating bearing other end is respectively communicated and arranged with oil delivery hose, oil delivery hose other end is respectively communicated and connected with oil temperature machine, the inner wall and outer wall of upper roll are respectively provided with pressure sensor and embossing outer mould, temperature sensor is fixedly arranged above upper roll, infrared heater is arranged on the side close to unwinding end, electric sliding rail is also fixedly arranged on workbench, guide roller is movably arranged on electric sliding rail, photoelectric sensor is arranged on the side of guide roller.

The invention discloses a simulated ball serving device which comprises a base table, a linear motor is fixedly connected to the center of the interior of the base table in an embedded mode, a base is fixedly connected to the top of a linear motor sliding seat, an equipment frame is arranged at the top of the base, and an angle adjusting motor is fixedly connected to one side of the outer wall of the equipment frame. A driving shaft of the angle adjusting motor penetrates through the equipment frame and is fixedly connected with a ball serving frame; an electric push rod is fixedly connected to one side of the outer wall of the serving frame, and a ball bin corresponding to the electric push rod is formed in the serving frame. Through mutual cooperation of the serving frame, the ball storage mechanism and the rotation increasing mechanism, the base table 1 is installed at one end of the volleyball court, volleyballs can be launched to the court from any position of the backcourt, meanwhile, the launch hand height, the launch angle, the launch force and the launch rotation of the volleyballs can be adjusted, and the serving training is more convenient. Therefore, the volleyball training effect can be improved conveniently.