CN2560395Y - Honeycomb structure slabof composite material for table tennis bat - Google Patents
Honeycomb structure slabof composite material for table tennis bat Download PDFInfo
- Publication number
- CN2560395Y CN2560395Y CN02243407U CN02243407U CN2560395Y CN 2560395 Y CN2560395 Y CN 2560395Y CN 02243407 U CN02243407 U CN 02243407U CN 02243407 U CN02243407 U CN 02243407U CN 2560395 Y CN2560395 Y CN 2560395Y
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- slab
- honeycomb
- composite material
- table tennis
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Abstract
The utility model pertains to a honeycomb composite material structure slab which is used for table tennis bats. The table tennis bat slab is composed of a slab core and a slab surface, and interlayer materials are arranged between the slab core and the slab surface; the utility model is characterized in that honeycomb holes are arranged on the slab core, and the coating seepage adhesive layers are arranged among the honeycomb hole walls, the honeycomb-hole slab core and the interlayer materials which are near to the slab surface. The honeycomb holes can also be arranged on the interlayer materials which are arranged between the slab core and the slab surface. The honeycomb holes can be evenly arranged on the slab with the same size and can also be changed gradually from big to small or from small to big from the outside to the inside. The honeycomb holes are in equilateral hexagon, triangle, rhombus and other equilateral polygonal structures or other shapes. The honeycomb composite material structure slab which is provided by the utility model is the table tennis bottom slab which is characterized by weight loss, elasticity increase, shock absorption, control increase, high-strength, rigidness, stability, weather resistance, durability and environmental protection.
Description
Affiliated technical field
The utility model belongs to a kind of cellular composite material structure slab that is used for table tennis bat.
Background technology
Common table tennis bat slab is the solid material that the multilayer wood single-plate composes in the plane.The difference tree material of veneer forms different base plate of ping-pong bat structures with thickness, has also just determined the performance indications of ball plate.These indexs comprise parameters such as elasticity, ball speed, rotation, control, Unit Weight, thickness.
International Table Tennis Federation uses the big ball of table tennis of diameter 40mm regulation game from October, 2000.Big table tennis has significant change on parameters such as elasticity, speed, rotation, volume, weight, cause the speed of service of table tennis and rotation rotating speed to lower.Base plate of ping-pong bat by the solid laminated structure of original common plane carries out parameter designing and making runs into impassable obstacle on performances such as speed, elasticity and rotation, therefore can not overcome the negative effect to the table tennis technique and tactics that brings thus.
General means to save the situation is to add composite fibre (even metal) in the multilayer wood single-plate simply, strengthens slab thickness and planar dimension.Though this can compensate elasticity and speed, unconquerable following negative effect limitedly:
1, increase the weight of plate, can consume athletic muscle power greatly, and the performance of influence technique level;
2, increased the thickness of plate, its solid construction strengthens the impact endurance test shock of ball, and athletic feel and control ability are brought negative effect;
3, increased the thickness of plate, the rigidity of its solid construction strengthens, longitudinal elasticity deflection degree when making ball plate contact ball stressed reduces, the sportsman can moment the elastic deformation of touching ball of time and being used to of reaction all reduce, be difficult to control effectively the running orbit of ball and make the rotation loop-drive, the influence technique performance;
4,, be difficult to the unified design standard that meets because instability, the unbalanced and anisotropy of wood quality performance make the weight of synthetic racket and performance variation very big;
5, the solid slab that composes on the plane, once making, its performance can not be adjusted meeting the design standard requirement, or regulates to satisfy cultivating one's individuality of table tennis technology demand.
Summary of the invention:
The purpose of this utility model is to overcome the restriction and the weak point of above solid laminated structure routine techniques, a kind of cellular composite material structure slab that is used for the table tennis bat slab is provided, has loss of weight, add bullet, shock absorbing, increase control, high-strength, the just base board of table tennis bat characteristic of steady, weather-proof durable, environmental protection.
The technical scheme in the invention for solving the technical problem is, the table tennis bat slab that comprises plate core and plate face, be sandwich material between plate core and the plate face, it is characterized in that on the plate core, being provided with honeycomb hole, ooze the stain glue-line for covering glue between honeycomb hole wall, honeycomb orifice plate core and the close sandwich material of plate face.
Also can be provided with honeycomb hole on the sandwich material between plate core and the plate face.
Honeycomb hole can be evenly distributed on slab, and size is identical; Can descending from outside to inside gradual change, or ascending gradual change.
Honeycomb hole has equilateral hexagon, triangle, equilateral polygonal structure such as rhombus or other shape.
Cellular composite material originates from bionics.People obtain inspiration and inspiration from the Nature, creatively developed cellular composite material, this material be human up to now material saving, power consumption little, in conjunction with a kind of structural composite of maximum intensity weight ratio, now be applied in high-tech area such as Aeronautics and Astronautics and skyscraper and the sophisticated industry.The utility model is applied to the cellular composite material sophisticated technology during the table tennis equipment makes, and the specific performance and the mark sheet of base plate of ping-pong bat with honeycomb composite construction slab is present:
1, honeycomb has maximum strength-weight ratio, the equilateral hexagon hole, tri-angle-holed, evenly distributed honeycomb hole such as diamond hole reduces the consumption of wood of base board of table tennis bat greatly, overall weight decline 20%-60% meets the table tennis development requirement that performance is high to table tennis bat is in light weight;
2, the mechanical property of the high strength of honeycomb, high rigidity, high elastic modulus is brought the intensity and the elastic modelling quantity of base board of table tennis bat, guarantees that the honeycomb base plate has than conventional planar gummed solid construction or higher, more stable elasticity and the ball speed performance of other structure;
3, equilateral hexagon hole, make the wooden ratio of residue solid section little, thereby has excellent soft ductility, moment longitudinal elasticity bending elasticity strain when enhancing ball plate contact ball is stressed, strengthen the time that the sportsman touches the ball reaction and controls, more effectively control the running orbit of ball and make the rotation loop-drive than the solid slab of tradition;
When 4, racket hits table tennis, produce high-frequency vibration.The equilateral hexagon pore structure is destroyed the approach that vibration energy is propagated.Honeycomb holes such as equilateral hexagon can reduce vibration frequency to greatest extent, absorb impact energy, reduce the vibrations crest.Therefore honeycomb can be eliminated the negative effect of batting vibrations to feel and technology performance to greatest extent;
5, honeycomb is eliminated the internal stress of table tennis veneer, and the plate face is smooth, and is not yielding, durable in use;
6, eliminate of the influence of the inhomogeneous instability of anisotropy of wood and wood quality to greatest extent,, make the base plate weight and the stable performance each other of this structure, eliminate difference by the test and the size adjusting of honeycomb to glued board.
In addition, because the honeycomb slab significantly reduces consumption of wood, reducing the wood consumption of table tennis bat, is a kind of environment-friendly products of saving natural trees,
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the A portion enlarged drawing of Fig. 1.
Wherein the sandwich material 6 of 1 equilateral hexagon honeycombed sheet core, 4 equilateral hexagon honeycomb holes, 2 plate faces, 5 honeycomb composite construction slabs, 3 close plate faces covers glue and oozes the stain glue-line
The specific embodiment
Be described in conjunction with the accompanying drawings.By plate face 2, near the sandwich material 3 of plate face and the table tennis bat slab 5 that plate core 1 is formed, the evenly distributed equilateral hexagon honeycomb hole 4 of processing on the plate core 1.In the gummed process, the infiltration of bonded adhesives liquid polymer is filled on the hole wall of honeycomb hole 4, ooze and steep the crosslinked link curing of wood cell chamber wall fiber, the attached liquid polymer of staying on the hollow out hole wall of while part, the expanded layer of formation bonded adhesives covers glue and oozes stain glue-line 6, forms a kind of space frame structure in the honeycomb composite construction.
Sandwich material 3 is laminate or fibrous material.Also honeycomb hole can be arranged on the sandwich material 3.
The shape of honeycomb hole 4 can be an equilateral hexagon, also can be equilateral triangle, rhombus or other shape.
Different honeycomb hole sizes, honeycomb hole be the big or small radial variation of (or from outside to inside) from the inside to surface, can go out different high-strength comprehensive slab performances by Combinatorial Optimization, satisfies the play requirement of different table tennis technique and tactics.
1, comprehensive type honeycombed sheet core, the honeycomb hole that evenly distribute, size is identical is arranged, and can form intensive space framework strength structure, brings elasticity and ball speed; A large amount of cavitys that pore size distribution forms become positive correlation with the longitudinal stress flexural strain, bring excellent control and add the commentaries on classics performance.Thereby produce elastic wave velocity and control the three-dimensional honeycomb composite construction that adds comprehensive type play of changeing the excellent performance combination.
2, attack hollowed-out board core, honeycomb hole is evenly distributed, is from large to small radial from outside to inside, and the little part of honeycomb hole has stronger elastic modelling quantity and speed in the middle of the slab; The part that slab outer rim honeycomb hole is big can strengthen flexural strain to form certain longitudinal stress flexural strain, forms the three-dimensional honeycomb composite construction of quick attack in conjunction with strong loop-drive play.
3, defensive hollowed-out board core, honeycomb hole is evenly distributed, be radial changing from small to big from outside to inside, produce the very big stressed flexural strain of vertical and horizontal, make racket have extremely excellent feel control ability, but the mechanical characteristics of honeycomb still makes slab keep certain intensity and elastic modelling quantity, possesses the afterburning performance of quickening, and is that chop adds the defensive three-dimensional honeycomb composite construction in conjunction with power play of commentaries on classics.
Claims (7)
1. cellular composite material structure slab that is used for table tennis bat, comprise plate core and plate face, between plate core and the plate face is sandwich material, it is characterized in that being provided with honeycomb hole on the plate core, oozes the stain glue-line for covering glue between honeycomb hole wall, honeycomb hollow plate core and the close sandwich material of plate face.
2. cellular composite material structure slab according to claim 1 is characterized in that sandwich material is provided with honeycomb hole.
3. cellular composite material structure slab according to claim 1 and 2 is characterized in that honeycomb hole is evenly distributed on slab, and size is identical.
4. cellular composite material structure slab according to claim 3 is characterized in that honeycomb hole is evenly distributed on slab, descending from outside to inside gradual change.
5. cellular composite material structure slab according to claim 3 is characterized in that honeycomb hole is evenly distributed on slab, ascending from outside to inside gradual change.
6. cellular composite material structure slab according to claim 3 is characterized in that honeycomb hole is the equilateral hexagon structure.
7. cellular composite material structure slab according to claim 3 is characterized in that honeycomb hole is a triangle, rhombus equilateral polygon shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02243407U CN2560395Y (en) | 2002-08-02 | 2002-08-02 | Honeycomb structure slabof composite material for table tennis bat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02243407U CN2560395Y (en) | 2002-08-02 | 2002-08-02 | Honeycomb structure slabof composite material for table tennis bat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2560395Y true CN2560395Y (en) | 2003-07-16 |
Family
ID=33715660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN02243407U Expired - Fee Related CN2560395Y (en) | 2002-08-02 | 2002-08-02 | Honeycomb structure slabof composite material for table tennis bat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2560395Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954174B (en) * | 2009-07-13 | 2011-12-28 | 曹立熹 | Bottom plate of trampoline-type bamboo-weaving fiber table tennis bat |
| CN106730701A (en) * | 2017-03-10 | 2017-05-31 | 深圳市安信检测有限公司 | Gram racket and its system of a kind of luminous and sounding type |
| CN107115647A (en) * | 2017-04-17 | 2017-09-01 | 徐丰 | A kind of plastic ping-pong racket |
-
2002
- 2002-08-02 CN CN02243407U patent/CN2560395Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101954174B (en) * | 2009-07-13 | 2011-12-28 | 曹立熹 | Bottom plate of trampoline-type bamboo-weaving fiber table tennis bat |
| CN106730701A (en) * | 2017-03-10 | 2017-05-31 | 深圳市安信检测有限公司 | Gram racket and its system of a kind of luminous and sounding type |
| CN107115647A (en) * | 2017-04-17 | 2017-09-01 | 徐丰 | A kind of plastic ping-pong racket |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030716 Termination date: 20100802 |