CN201211416Y

CN201211416Y - Surface layer of sports ball

Info

Publication number: CN201211416Y
Application number: CNU2007201820179U
Authority: CN
Inventors: 郑榕彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-07
Filing date: 2007-12-07
Publication date: 2009-03-25
Anticipated expiration: 2017-12-07
Also published as: WO2009074012A1

Abstract

The utility model provides a surface layer of a sports ball, which is spliced by a plurality of polygonal combined pieces into a spherical shape, wherein a surface layer is provided with a hole for a gas nipple to pass through. The surface layer of the sports ball is characterized in that each edge of each polygonal combined piece is a convex arc edge. The design of the convex arc edge can ensure that the ball can be rounder, so that the service performance, the hand feeling and the sphericity of the training ball can be improved, and the service life of the training ball can be prolonged.

Description

The epidermal area of sport ball

Technical field

The utility model relates to the epidermal area of making of the epidermal area of sport ball, particularly football, handball, vollyball or similar ball for sports class.

Background technology

In the prior art, ball for sports comprises epidermal area, intermediate layer and inner bag usually.Wherein, epidermal area is generally made by natural leather or dermatine (as polyurethane PU or polyvinylchloride).

Epidermal area generally is spliced by the compounded plate of polylith reservation shape.As publication number is the Chinese patent that is called " luminous ball for ball game " of CN1917923A and the United States Patent (USP) of " Sportsball and Manufacturing Method Thereof " by name that the patent No. is US5772545.Wherein said sport ball is that 12 regular pentagon compounded plates are in the same place with suturing with thread management at the edge with 20 regular hexagon compounded plates.And the patent No. is that the United States Patent (USP) of US5772545 " Sportsball and Manufacturing Method Thereof " by name points out that also for vollyball, standard volleyball is by 18 rectangle compounded plates at the edge with suturing with thread management together.

Be well known that, the sport ball that said method makes, because epidermal area is to be spliced by polygon, substantially be polyhedron, that is to say that they are not accurate spheries, have a strong impact on the out of roundness of sport ball, can have influence on the movement locus and the exercise performance of sport ball, as problems such as sense of touch is relatively poor, ball-handling is bad occurred; On the other hand, the radian inequality of epidermal area can cause the sport ball discontinuity equalization when support pressure and opposing surge, therefore influence the service life of sport ball to a certain extent.

The utility model content

The utility model relates to the epidermal area of making of the epidermal area of sport ball, particularly football, handball, vollyball or similar ball for sports class.Its technical problem that will solve provides a kind of epidermal area of sport ball, and the shape of this epidermal area has better out of roundness, approaches desirable spheroid more.

For solving the problems of the technologies described above, the utility model provides a kind of epidermal area of sport ball, it is useful on the hole that valve passes through by the combined and spliced globulate of multi-disc polygon compounded plate on epidermal area, it is characterized in that: each limit of each described polygon compounded plate is the arc limit of evagination.

According to further feature of the present utility model, described polygon compounded plate is 12 regular pentagons and 20 regular hexagons.The outer convex limit radius of curvature of described pentagon compounded plate is between 180 to 186mm, and the outer convex limit radius of curvature of described hexagon combination sheet is between 175 to 180mm.The outer convex limit radius of curvature of each regular pentagon compounded plate is that distance is 47mm between 184.8mm, adjacent two summits; The outer convex limit radius of curvature of each regular hexagon compounded plate is that distance is 46mm between 177.09mm, adjacent two summits.Described polygon compounded plate closes by the side seam corresponding in twos in the inside a distance, outer convex limit that is parallel to them, and is stitched together.Described distance is 3.2 to 3.5 millimeters.Methods such as described compounded plate can be made by craft, machine is made are spliced into sphere.The material of described epidermal area can be dermatine or natural leather.

The ball for sports proper sphere degree that the covering that provides according to the utility model is made is good, more approaches desirable spheroid, good hand touch, and sphere is good.

Description of drawings

The utility model is described in more detail below in conjunction with accompanying drawing.

Figure 1 shows that decomposing schematic representation according to compounded plate in the epidermal area of the improved football of the utility model.

Figure 2 shows that the schematic diagram of regular pentagon compounded plate in the utility model.

Figure 3 shows that the schematic diagram of regular hexagon compounded plate in the utility model.

The specific embodiment

Referring to Fig. 1, an embodiment of the present utility model is the traditional football epidermal area that has improved.This epidermal area is to have the suitable polygon compounded plate on outer convex limit to be spliced by polylith, more specifically describes, and is made up of 32 compounded plates, and wherein 12 is that regular pentagon compounded plate, 20 are the regular hexagon compounded plates.As shown in Figure 2, the outer convex limit radius of curvature R of described pentagon compounded plate ' between 180 to 186mm, as shown in Figure 3, and the outer convex limit radius of curvature R of described hexagon combination sheet " between 175 to 180mm.In a preferred embodiment, as shown in Figure 2, the radius of curvature R on outer convex limit that the regular pentagon compounded plate on arc limit is arranged ' be about 184.8mm, be about 47mm apart from a ' between the regular pentagon adjacent vertex, can calculate thus that regular pentagon is separated by between two summits apart from D ' is 76.04mm, the circumradius r ' of regular pentagon is 39.98mm, and the regular pentagon summit is about 73.82mm to relative arc limit tangent distance L '.As shown in Figure 3, in this specific embodiment, the radius of curvature R on protrusion arc limit that the regular hexagon compounded plate on arc limit is arranged " be about 177.09mm; between the regular hexagon adjacent vertex apart from a " be 46mm, can calculate thus between relative two summits of regular hexagon apart from D " be 92mm; orthohexagonal circumradius r " be 46mm, the tangent distance L on the relative arc of regular hexagon limit " be 82.67mm.

As shown in Figure 1, be used for being located at a slice compounded plate by the hole 8 of valve.Polygon compounded

plate

10 and 20 is by locating corresponding in twos limit 2 ' and 2 on the outer convex limit inside certain distance d (referring to Fig. 2 and Fig. 3) that is parallel to them " sew up; with the arc limit 1 ' and 1 of correspondence " be sewed together, thereby adjacent compounded

plate

10 and 20 is stitched together.32 compounded plates adopt the general for example compound mode of the ball for sports of football, five regular hexagon compounded plates have been spliced around each sheet regular pentagon compounded plate, and be stitched together with three regular pentagon compounded plates and three regular hexagon compounded plates of replacing around each sheet regular hexagon compounded plate, finally be spliced into spheroid.In specific embodiment, describedly be about 3.2 to 3.5 millimeters apart from d.Methods such as described compounded plate can be made by craft, machine is made are spliced into sphere.The material of described epidermal area can be dermatine or natural leather, and the sport ball of making like this is round, and feel is better, and better exercise performance and service life are arranged.

In another kind of embodiment, the epidermal area of sport ball can also be that polygons such as multi-disc triangle that the arc limit is arranged, quadrangle and the combination between them are spliced in the above described manner.

The epidermal area of sport ball can be made by the material that dermatine (as polyurethane PU or polyvinylchloride etc.) or other are suitable for making the sport ball epidermal area.

The person of ordinary skill in the field also can expect utilizing adhesive to be stitched together by the bonding alternate manner that waits each compounded plate.

The person of ordinary skill in the field expects easily, can carry out integral body to concrete size above-mentioned and amplify or dwindle.For example, the person of ordinary skill in the field can change the radian on arc limit, to realize effect of the present utility model.

Though the utility model is described with reference to top specific embodiment; but the utility model is not limited to the foregoing description, and every utilization has sport ball epidermal area that the polygon compounded plate on the arc limit of evagination is spliced all in the utility model protection domain.Based on project organization disclosed in this specification, in the scope that does not break away from claim, all should not be considered to be the improvement that influences its essence to the improvement of shape, size, the selection of material, compounded plate compound mode or other unsubstantiality.Protection domain of the present utility model is as the criterion with claims.

Claims

1. the epidermal area of a sport ball by the combined and spliced globulate of multi-disc polygon compounded plate, is useful on the hole that valve passes through on epidermal area, it is characterized in that: each limit of each described polygon compounded plate is the arc limit of evagination.

2. the epidermal area of sport ball according to claim 1, it is characterized in that: described polygon compounded plate is 12 regular pentagons and 20 regular hexagons.

3. the epidermal area of sport ball according to claim 2, it is characterized in that: the outer convex limit radius of curvature of described regular pentagon compounded plate is between 180 to 186mm, and the outer convex limit radius of curvature of described regular hexagon compounded plate is between 175 to 180mm.

4. the epidermal area of sport ball according to claim 3, it is characterized in that: the outer convex limit radius of curvature of each regular pentagon compounded plate is 184.8mm; The outer convex limit radius of curvature of each regular hexagon compounded plate is 177.09mm.

5. the epidermal area of sport ball according to claim 2 is characterized in that: distance is 47mm between adjacent two summits of regular pentagon compounded plate; Distance is 46mm between adjacent two summits of regular hexagon.

6. according to the epidermal area of the described sport ball of each claim of claim 1 to 5, it is characterized in that: described polygon compounded plate closes by the side seam corresponding in twos in the inside a distance, outer convex limit that is parallel to them, and is stitched together.

7. the epidermal area of sport ball according to claim 6, it is characterized in that: described distance is 3.2 to 3.5 millimeters.

8. the epidermal area of sport ball according to claim 1, it is characterized in that: the material of described epidermal area can be dermatine or natural leather.

9. the epidermal area of sport ball according to claim 2, it is characterized in that: spliced five described regular hexagon compounded plates around the described regular pentagon compounded plate, and be stitched together with three that replace described regular pentagon compounded plates and three described regular hexagon compounded plates around the described regular hexagon compounded plate.