206 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 invention discloses a light soft polyurethane material for a soft volleyball and a preparation method of the light soft polyurethane material, and relates to the technical field of polyurethane materials. The preparation method comprises the following steps: S1, adding polyether glycol, polyester glycol and isophorone diisocyanate into acetone under the protection of nitrogen, uniformly stirring and mixing, then adding dibutyltin dilaurate, and stirring and reacting at 75-85 DEG C for 1-3 hours; s2, adding a lignin-based chain extender into the reaction system, stirring and heating to 80-90 DEG C, stirring and reacting for 1-3 hours, then adding a diamine chain extender, and keeping the temperature and stirring and reacting for 30-60 minutes; s3, finally, activated calcium carbonate is added into a reaction system, stirring and mixing are conducted for 1-2 h, acetone is removed through rotary evaporation, and the light soft polyurethane material is obtained. The light soft polyurethane material has excellent mechanical properties, ultraviolet resistance and aging resistance, and light volleyballs obtained through processing are excellent in performance and better in applicability.

The invention relates to the technical field of training equipment transfer, in particular to a convenient physical training equipment transfer device with a lifting function. The convenient physical training equipment transfer device with the lifting function comprises a bottom frame, a handle, a bottom frame, a lifting frame, moving wheels, a threaded rod, a return spring, a wire spool, a wire wheel, a pull rope and a driving assembly, the handle is rotationally connected to the front side of the bottom frame, the bottom frame is installed at the top of the bottom frame, a sliding groove is formed in the bottom frame, and the lifting frame is arranged in the sliding groove. The lifting frame is in sliding connection with a sliding groove in the bottom frame. The interiors of the bottom frame and the lifting frame are reasonably partitioned, basketballs, footballs and volleyballs are stored in a front side cavity according to the sizes of balls, table tennis balls are stored in a rear right side cavity, a feeding hopper and a sliding cover are designed correspondingly, storage and taking are convenient, meanwhile, badminton rackets and table tennis rackets are stored in a large-size racket frame and a small-size racket frame respectively, sports equipment is clearly classified, mutual collision and damage are avoided, and the service life of the sports equipment is prolonged. And the equipment management and taking efficiency is greatly improved.

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

A ball bearing slide (100) includes: at least one outer slide (1), an inner slide (2) located within the outer slide, a ball cage (4) located between the inner slide and the outer slide, and three rows of balls (3) rollably arranged in the ball cage; wherein the three rows of the balls (3) includes a first ball row (31), a second ball row (32), and a third ball row (33) located between the first and second ball rows in a vertical direction; wherein the inner slide includes a first curved part (24) against the first ball row, a second curved part (25) against the second ball row, and a third curved part (26) against the third ball row; the third curved part is located between the first ball row and the second ball row in the vertical direction, and is symmetrically arranged relative to a symmetry axis of a line connecting centers of the first ball row and the second ball row. With the first, second and third curved parts, internal space of the ball bearing slide for containing the inner slide is increased, which rationalizes the ball cage arrangement and optimizes the ball bearing slide design.

The computer-implemented system (1) for the automatic analysis of a volleyball match, particularly employable for scouting in volleyball, comprises at least one camera (2) positioned in the proximity of a volleyball court and oriented to capture at least one video (V) of the players within the court, a processing platform (3), comprising at least one remote and / or local processing unit, operationally connected to the camera (2) and configured to process one or more videos (V) captured to obtain data related to the game dynamics during a volleyball match, wherein the processing platform (3) comprises an analysis module (4), configured to process one or more videos (V) captured by means of said at least one camera (2) and to generate metadata related to the game dynamics during the volleyball match, and a scouting analysis module (6) configured to provide on-demand the analysis data processed from the generated metadata to an operator (O).

The utility model relates to volleyball production transfer equipment which comprises a bottom plate, a transfer box used for storing volleyballs, a volleyball inlet pipe allowing the volleyballs to enter the transfer box and a plurality of volleyball bodies placed in the transfer box. The walking assembly comprises four moving wheels fixed on the lower surface of the bottom plate; the counting assembly is arranged on the transfer box; and the discharging assembly is arranged in the transfer box. According to the volleyball production transfer equipment, by arranging the counting assembly, when the volleyballs are placed into the transfer box through the volleyball inlet pipe, the volleyballs put into the volleyball inlet pipe can be conveniently counted, the number of the volleyballs in the transfer box is displayed through the display panel, and when the volleyballs are discharged from the transfer box, the counting assembly can conveniently count the volleyballs. And the number displayed on the display panel is correspondingly reduced, so that the transfer personnel can conveniently count the number of the volleyballs stored in the transfer box, and the situation that more time is spent on counting the number of the volleyballs subsequently is avoided.

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 relates to the technical field of volleyball air leakage detection, and discloses a volleyball air leakage detection device for manufacturing sporting goods, which comprises a pool, one side of the pool is fixedly connected with a supporting plate, one side of the supporting plate is fixedly connected with a motor, and the other side of the supporting plate is fixedly connected with an air outlet. A second belt wheel is fixedly connected to the output end of the motor, a first belt wheel is rotatably connected to the interior of the supporting plate, a belt is arranged between the first belt wheel and the second belt wheel, an inner container is arranged in the water pool, and a support is fixedly connected to the top of the inner container. According to the volleyball detection device, the clamping plate and the supporting rod are limited through the telescopic rod, the clamping plate can swing up and down and reset through tension supporting of the spring, the effect of limiting a volleyball is achieved, and the problems that the volleyball floats in water, an operator needs to manually press the volleyball into the water for detection, and the detection process is inconvenient are solved; and the convenience of the volleyball air leakage detection device for sporting goods manufacturing is improved.

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.