WO2014075377A1

WO2014075377A1 - Rebound plate and rebound net apparatus for ball game training enhancement and home fitness

Info

Publication number: WO2014075377A1
Application number: PCT/CN2013/000500
Authority: WO
Inventors: 杨学华
Original assignee: Yang Xuehua
Priority date: 2012-11-19
Filing date: 2013-05-02
Publication date: 2014-05-22
Also published as: CN103958009A; CN103816653A

Abstract

A rebound plate or a rebound net for personal training enhancement of indoor and outdoor ball sports is formed by a rebound plate or rebound net (10), a support beam (30), main supports (50, 60) and fastening pieces. The rebound plate or net is fastened to the support beam. The support beam can hang main support rods fixed at two sides. The height of the main support rods can be adjusted by means of expansion and contraction. The rebound plate or net changes a relative position between the support beam and the main support rods to perform overturn, so as to change an angle relative to a coming ball. A ball receiving surface of the rebound plate or net is a flat surface or curved surface, the curved surface is designed to be a shape of fluctuating streaks or a shape of scattered chess pieces, and the irregular curved surface is used for being applicable to requirements of trainings at different levels. The rebound plate or net can be applicable to personal training and fitness by means of a variety of ball sports such as table tennis, tennis, badminton, football, shuttlecock, and baseball games.

Description

Rebound plate and rebound net device for improving ball sports training and home fitness

Technical Field

The invention relates to a training rebounding and rebounding net device for training, such as table tennis, badminton, tennis, soccer, volleyball, baseball and squash, and can be used for indoor and outdoor entertainment and fitness in ordinary homes.

Background Art

At present, in sports such as ball table tennis, badminton and tennis, due to the limitations of the venue, beginners can not quickly improve the mastery of technology, it is difficult to establish interest and confidence in the sport as early as possible. At present, the training products are mainly designed for serving and croqueting. Type, can not be trained indoors from the sports technology itself; ordinary family members can not make convenient fitness exercises, it is difficult to find a suitable sports partner, the network information era otaku house / More and more women are waiting for the equipment for indoor fitness. At present, most common personal fitness equipments are power-type. For example, treadmills are too expensive and cumbersome. There are no light and flexible sports equipment on the market that can be used for indoor personal use, which cannot meet people's daily needs. Smarter health is more healthy. And will be more confident.

Disclosure

The present invention has been made in view of the above circumstances, and aims to provide a training rebound and rebound for a ball (such as table tennis, badminton, tennis, baseball, soccer, volleyball, etc.) that can be used indoors (also can be moved outdoors). The net can not only improve the game skills, but also relieve the learning work pressure to exercise and fitness purposes, and can also reduce the indulging of minors in games and networks.

The present inventors have achieved the above object by designing a training rebound plate or mesh device of various shapes and structural changes, thereby completing the present invention.

A device for adjusting the height and angle of the spherical surface is provided, as shown in Fig. 1, Fig. 3 and Fig. 4 The plate or net can adjust the lifting height to meet the needs of the height of the hitter and the distance between the station. In the figure, the inner support rod 50 is inserted inside the outer support rod 60, and the outer support rod base is fixed with two fixed wheels or a universal wheel 80. A safety curved rod 83 is connected to both inner and outer sides of the base; the two rods 50/60 have a fixed-size circular hole in the horizontal direction, and the circular bolt 65 is inserted into the 50/60 of the good hole according to the height requirement. , The minimum height of the 50/60 combination is 600 to 1000mm, and the middle hole 61 is designed to be 4 to 20, and the spacing between the holes must be ensured. At the same time, the rebound plate/stencil can be flipped through the support plate. 20 and the auxiliary fixing rod 70 adjust the angle of the opposite ball to meet the size of the hitter, the different requirements of the distance, the inner support rod 50 upper end round hole 40 is connected to fix a short beam cylinder 41, the support plate 20 Centrally, a stainless steel cylinder 41 is fixed by a nut, and the cylinder 41 is directly coupled to the upper end of the inner support rod 50, and the support plate 20 is provided with 4 to 20 circular holes. The rebound plate or the mesh support beam 30 is inserted into the circular hole 21 of the support plate 20, and the round hole ensures an equidistant distance, and the distance between the two intermediate holes is twice the distance between the adjacent holes, and the position of the jack can be changed to change the rebound plate during use. Or net height; The lower support beam and the auxiliary fixed rod are connected by a right angle elbow; the auxiliary fixed rod is a telescopic rod; the auxiliary fixed rod is bent at 90 ° at the lower end and inserted into the circular hole of the main body support rods on both sides, and the auxiliary fixing rod 70 The two ends are respectively inserted into the upper support plate 20 and the lower support rod 50/60 combination, which can fix the angle of the rebound plate and assist the support, and fasten the nylon rope 72 to the main support bar 50/60 and the support plate. A round hole of 20 to secure the rebound plate/net.

As shown in Figure 5 (a), Figure 3 and Figure 4, the board / The surface of the mesh is designed as a flat, regular surface (such as a circular arc, a parabolic shape, a hyperbolic shape, an exponential function, an inner surface of an ellipsoidal intercept or an inner surface of a hyperbolic intercept or an irregular surface; as shown in Fig. 5a, Figure 6 and Figure 13, Irregular surfaces are designed to be corrugated, chess pieces scattered or jagged, thus forming a variety of rebounding ball to train good reaction ability and quickly improve the game.

The rebound plate or mesh design is formed into a single-sided or front-rear double-sided: one side is a flat surface, and the reverse side is a curved surface design as shown in Fig. 5a and Fig. 11 Or; on the one hand, the opposite side of the curved surface is another curved surface; or the front and back surfaces are the same plane or curved surface, so that the user can have different choices and adjustments.

As shown in Figure 5b, 12 is an arched lock sleeve, which is fixed to the 10/11 main structure panel by the nut 14 and the bolt 13 In the shape of a large head, a circular support beam 30 is used to pass through the arched lock sleeve, and then through the circular hole of the support plate 20, the rebound plate is suspended between the brackets on both sides.

As shown in Fig. 6, the plane part of each undulating unit in the parallel undulating corrugated surface has a length of 0 to 80 mm and a length of the convex portion L 20 ~ 60mm, the height H of the protrusion is 3 ~ 12mm, and the value of L/H in Figure 6 (C) is 6 ~ 20 The size depends on the ball used. The shape of the surface can take a sine or cosine curve or an elliptical arc; the corrugated undulation can be evenly distributed, and the custom density distribution can be adjusted to meet different needs; the corrugated strip or corrugated board is made of polymer plastic. , high elastic alloy, polycarbonate is recommended here. PC, ABS or nylon; corrugated or corrugated sheets are secured to the rebound plate by adhesive, double-sided tape, strong clamps or screws.

As shown in Fig. 1 and Fig. 2, in the design of the irregularly curved surface of the chess piece, the main rebounding plate 10 is a flat or regular curved surface, and the convex disk 13 (like a piece) length D (diameter) takes 16 ~ 80mm, convex disk 13 height H1 takes 2 ~ 10mm, D / H1 ratio should be 8 ~ 20 The size of the convex disc is determined by the ball used. The surface of the convex disc is made into a regular curved surface, and the ellipsoid surface is preferentially selected. As shown in Fig. 2, one side of the main rebounding board is flat; the convex disc is in the plane rebounding board. 10 The dense and dense distribution can be freely placed or customized; the small convex disc can be made magnetic, made of strong and tough polymer material, and the inner part is filled with magnet piece or magnet powder, and the plane rebound plate design is also adopted. Made of stainless steel or magnetic material composite material, so as to ensure strong suction on the plane rebound plate; you can put small round holes arranged in any density on the plane or regular surface rebound plate in advance. At the same time, the hole is perforated in the middle of the convex disc, so that the ordinary screw can pass through the convex and rebounding plate, and is tightened with the corresponding nut, so as to be fixed on the rebounding plate; the convex disc of the polymer material can also be fixed by the adhesive or the double-sided adhesive. Paste on the surface of the rebound plate.

Figure 7 The invention also provides a rebound net device, which can overcome the shortcomings of large rebounding and weak rebound of the rebound plate, thereby expanding the applicable surface and satisfying the individual training needs of badminton, tennis, baseball, key ball, soccer and volleyball.

As shown in Fig. 7, Fig. 8, Fig. 9 and Fig. 10, the rebound net 14 is mainly composed of an outer frame 19 and a lateral support beam 17 , the longitudinal support rod 15, the transverse support beam 17 corresponds to the sleeve 16 and the nylon or elastic alloy mesh 18 constitutes.

As shown in Fig. 8 and Fig. 7, the net string penetrates into the outer frame like a tennis racket and a badminton racket. In the place where the inner support rod or beam is encountered, directly wrap a circle or more, and then pull straight into the string hole of the outer frame; when designing the product, the surface of the string hole and the inner support rod or beam must be absolutely Smooth to ensure the durability of the string; in the longitudinal support rod 15 At the intersection of the upper and lower frames and the outer frame 19, the longitudinal support rods 15 extend out of the outer side through the circular holes and are fixed by a nut into a unitary structure.

As shown in Figure 7, Figure 9, and Figure 10, the lateral support beam 17 intersects the outer frame 19, and the lateral support beam 17 extends out of the frame. 19, insert sleeve 16 inside, sleeve 16 outer layer 161 is made of high-strength alloy steel, inner layer 162 is made of high-strength polymer material or other materials, as shown in Figure 10, the sleeve is placed in the vertical direction. 16 Cut a groove, the groove width w is almost the same as the width of the longitudinal outer frame 19, so that the outer frame 19 can be inserted into the groove of the sleeve 16, and the sleeve 16 connected to the main body of the rebound net is inserted into the support during use. board Fixed in the corresponding round hole of 20.

11 and 12, the present invention also provides a design of a curved-shaped rebound net, and the main difference from the rectangular structure is the outer frame 19 The shape of the longitudinal side is changed by a molding process, and the rectangular plane is pressed into an elliptical arc segment section, and the direction of the ball is bent by 5° to 15°. The angle from the center to the four sides increases stepwise, which improves the control of the ball and improves the ability of continuous stroke, which greatly enhances the training and exercise efficiency. At the same time, the net has different forms of positive and negative sides. Increase its variety of options.

As shown in Fig. 13, a rectangular outer frame wound rebound net is mainly composed of a circular or nearly circular outer frame 19, a net string 18 and an anti-slip rubber sleeve 19a and a support beam 30; the elastic mesh string is directly wound from a corner. Shaped or nearly circular outer frame round rod 19, after winding more than one turn, straightly extend straight to the opposite frame round rod, and also wind more than one turn and then straighten back to the original outer frame round rod, so repeatedly, complete the vertical direction net After the string is wound, pull it to the longitudinal frame of the rebound net at the diagonally opposite corners and then straighten it to the lateral longitudinal frame and then pull back until the vertical frame of the vertical frame, and then repeat the horizontal mesh winding and then return. The first starting point corner, when the net string intersects vertically and horizontally, the mesh string is continuously up and down or the front and rear sides are passed over the other direction of the net string, so that the net string is compiled into a whole book, and finally the net string is fixed by the rope buckle; The anti-slip rubber sleeve is placed on the position and the winding position to prevent the mesh from sliding to ensure stable use; the longitudinal outer frame and the support beam which have been pierced through the hole are screwed, and the outer frame and the support beam are fastened by the nut.

Figure 14 is a plate-clip rebound net consisting of four sides of the upper and lower splint frame, the braided net 18 and the outer inner sleeve 31 and the bolt 34; the woven mesh or elastic cloth is placed on the pull In the net machine jaw, the mesh string or elastic cloth is stretched from four directions at the same time, so that the net string or the elastic cloth maintains a certain tension; the upper and lower plates of the hole are clamped to clamp the net string or the elastic cloth, and the screws 34 are tightened and fixed. The four-sided outer frame and the mesh or elastic cloth; the horizontal outer frame 32 penetrates into the outer inner sleeve 31 as a support beam, and the outermost screw is used to prevent the sleeve 31 from slipping out, and the sleeve is inserted into the support rod.

Description Of Drawings

Figure 1 is the main view of the rebound plate and the bracket body, that is, the overall structure of the rebound plate seen from the angle of the hitter.

Figure 2 is a schematic diagram of the geometric structure of the convex disc in the chessboard-scattered rebound plate.

Figure 3 is a three-dimensional view of the side of the rebound plate

Figure 4 is the left side view of the bracket body

Figure 5 is a schematic diagram of the fixed structure of the curved panel and the support beam lock sleeve

Fig. 6 Schematic diagram and geometric structure of corrugated strip irregular surface structure

Figure 7 Main view of the rebound net and bracket body

Figure 8: Partial view of the intersection of the longitudinal rod and the outer frame in the rebound net

Figure 9 Left side view of the right side sleeve of the rebound net support beam

Figure 10 Top view of the right sleeve of the rebound net support beam

Figure 11 Curved rebound net left view

Figure 12 Top view of curved resilience net

Figure 13 and Figure 13A Schematic diagram of a rectangular frame-wound rebound network

Figure 14 Schematic diagram of the plate clamp type rebound net

Figure 15 Schematic diagram of the table in the middle of the table

Figure 16 Schematic diagram of the near-desktop practice

Figure 17 Schematic diagram of the table-top spin-up practice in the Taiwanese table

Figure 18 Schematic diagram of the near-table table-cutting practice

Figure 19 Schematic diagram of the far-reaching table-free vigorously pumping practice

The mark in the figure shows:

10 rebound plate 11 additional long glue

12 support beam sleeve 13 convex disc

141 lock sleeve fixing screw 142 lock sleeve fixing nut

9 rebound net 15 longitudinal support rod

151 longitudinal support rod nut 16 transverse support beam sleeve

17 transverse support beam 18 mesh

19 rebound net frame 19a anti-slip rubber sleeve

19b frame bolt 20 support plate

21 support plate round hole 30 support beam

31 Frame splint sleeve 32 Lateral frame splint

33 Longitudinal frame splint 34 Plywood bolt

40 upper end hole 41 cylinder

50 inner support rod 60 outer support rod

61 support rod round hole 62 main support base support rod latch

65 support rod latch 70 auxiliary pole

72 auxiliary fixed rope 80 fixed wheel

82 Fixed wheel / Universal wheel fixing bolt nut 83 Safety curved rod

Claims

A rebounding plate or mesh and supporting device assembly for ball sports training, comprising a rebound plate or a rebound net, a support beam, a main body support rod and a fastener, the main features of which are as follows: rebound plate or net Fasten the support beam; the support beam can be suspended and fixed on the support rods on both sides; the main support rod can be adjusted to adjust the height, and the distance from the bottom of the rebound plate or the bottom of the net to the ground is 0 to 1.8 m; the rebound plate or net can be flipped to adjust the angle of the relative ball direction by adjusting the relative position of the support beam and the main body support bar.
Claims 1 The main support rod is characterized in that the inner support rod is inserted inside the outer support rod, and the two rods are horizontally oriented with a fixed size circular hole, and the circular bolt is inserted into the inner and outer support of the good hole according to the requirement of the rebound plate or the rebound net. In the rod; the lowest height of the upper end of the support rod assembly is 0.6m ~ 1.0m, the highest is 1.4m ~ 2.0m, and the middle hole is 4 ~ 20.
According to claim 1, the fastener combination in which the two support beams are suspended and fixed to the main body support rods on both sides is characterized in that: the support beam behind the rebound plate/net passes through the U The bolt sleeve is fixed to the rebound plate/net by a nut; the upper support beam passes through the U-shaped bolt sleeve, and then directly passes through the round hole of the support rod to suspend the rebound plate on both sides of the main body support rod The lower support beam and the auxiliary fixed rod are connected by a right angle elbow; the auxiliary fixed rod is a telescopic rod; the auxiliary fixed rod is bent 90 ° at the lower end and inserted into the round holes of the main body support rods on both sides.
A fastening combination is different from claim 3 in that: a porous support plate is coupled between the two main body support bars and the two support beams; the porous support plate is worn by 4~ 20 a circular hole, the circular hole ensures an equidistance; a short beam is fastened in the middle of the porous support plate, and the short beam is inserted into the upper end hole of the main body support rod; the distance between the two holes on the two sides of the short beam of the porous support plate is the distance between adjacent holes Double; the rebound plate support beam is simultaneously inserted into the rebound plate fixing sleeve and the support plate round hole; the auxiliary fixing rod is inserted into the upper end support plate and the lower end support rod respectively, and the angle of the rebound plate can be fixed. It can also support the support.
Claims 1 A layer of elastic glue, such as rubber, silica gel and various table tennis bats, is fixed in front of the rebound plate to ensure good elasticity and low noise.
A combinable rebound plate according to claim 3 or 4, characterized by: U-bolt The small plates are spliced with the support beams to form a large plane or curved surface.
According to claim 1, a training The regular surface rebound plate is characterized in that the regular surface is from any intercepted part of the mathematical surface as the spherical surface, so that the coming ball moves on the inner side of the curved surface, so that the plate is flat near the center, and the upper and lower sides or the left and right sides are inwardly received, and the ball is in the direction of the ball. Receive 5° ~ 15 ° angle, from the center of the board to the periphery, the curvature from small to large, such as the use of elliptical curved surface or exponential function surface to make the ball rebound to the hitter.
A corrugated strip-shaped irregular curved rebounding plate for training according to claim 1, wherein the length of the flat portion of each of the undulating units in the flat undulating corrugated curved surface is 0 ~ 80mm, the length of the concave and convex part is 20 ~ 60mm, the height of the concave and convex is 3 ~ 12mm; the ratio of the length of the concave and convex part to the height of the concave and convex is 6 ~ 20 Can be placed at will, adjust the density distribution to meet different needs.
A corrugated strip-shaped curved rebounding plate for training according to claim 1, wherein the length of the concave-convex portion of each of the undulating units in the flat undulating corrugated curved surface is 20 ~ 60mm, the height of the concave and convex is 3 ~ 12mm; the ratio of the length of the concave and convex part to the height of the concave and convex is 6 ~ 20; the corrugated undulation is continuously and evenly distributed.
According to claim 1, a training The chess piece is scattered with an irregular curved surface rebounding plate, and is characterized in that: a circular small convex disk (like a chess piece) is randomly placed or fixedly attached to a regular curved surface or a plane rebounding plate; the circular small convex disk has a diameter of 10 to 80 mm. The circular small convex height is 3 to 30 mm; the surface of the circular small convex disk is made into a nearly curved surface.
A rectangular rebound net according to claim 1, wherein the main body of the rebound net is composed of an outer frame, a lateral support beam, and a longitudinal support bar. The horizontal support beam corresponds to the sleeve and a large number of mesh strings, characterized in that the mesh string passes through the outer frame like a tennis racket or a badminton racket, and directly wraps a circle or a place in the place where the inner support rod or the beam is encountered. Above the circle, pull straight into the string hole of the outer frame; at the intersection of the vertical support rod at the upper and lower and the outer frame, the longitudinal support rod protrudes out through the round hole, and is fixed by the nut into an integral structure; At the intersection of the frame, the lateral support beam extends out of the outer frame and is inserted into the inside of the sleeve; in the vertical direction, the sleeve is cut into a groove having the same width as the width of the longitudinal outer frame, so that the outer frame can be inserted into the sleeve.
A curved rebound net, as claimed in claim 11, The main difference from the rectangular structure is that the shape of the side of the outer frame changes in a stepwise manner from the center to the four sides, and the angle of the ball is 5° to 15°.