CN215888682U - Five-layer keel shock-absorbing structure for sports wood floor - Google Patents
Five-layer keel shock-absorbing structure for sports wood floor Download PDFInfo
- Publication number
- CN215888682U CN215888682U CN202121489009.5U CN202121489009U CN215888682U CN 215888682 U CN215888682 U CN 215888682U CN 202121489009 U CN202121489009 U CN 202121489009U CN 215888682 U CN215888682 U CN 215888682U
- Authority
- CN
- China
- Prior art keywords
- layer
- keel
- stage
- stage double
- elastic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Floor Finish (AREA)
Abstract
The utility model belongs to the field of sports wood floors, and particularly discloses a five-layer keel shock absorption structure for the sports wood floors, which comprises a sports panel layer, a bearing plate layer, a first-stage double-layer combined keel, a second-stage keel, a third-stage double-layer combined keel, an elastic gasket for connecting a main structure part, a leveling cushion block for leveling the structure and a bottom-layer elastic shock absorption cushion; the lower end face of the moving panel layer is provided with a bearing plate layer, the moving panel layer and the bearing plate layer are connected into a whole to form the uppermost layer part of the moving wood floor, the corresponding position of the side edge below the bearing plate layer is connected with a first-stage double-layer combined keel, the lower end face of the first-stage double-layer combined keel is connected with an elastic gasket, and the lower end face of the elastic gasket is connected with a second-stage keel; an elastic gasket is arranged on the lower end face of the second-stage keel, and a third-stage double-layer combined keel is connected to the lower layer of the elastic gasket; leveling cushion blocks are arranged on two sides of the lower end face of the third-stage double-layer combined keel, and elastic shock absorption cushions are arranged at the bottoms of the leveling cushion blocks.
Description
Technical Field
The utility model relates to the field of sports wood floors, in particular to a five-layer keel damping structure for a sports wood floor.
Background
The sports wood floor is used as an important component of sports such as basketball, volleyball, badminton and table tennis, and provides sports protection and sports optimization for athletes through specific performances such as impact absorption rate and ball rebound rate. In this process, too small an impact absorption rate may cause a player to continuously injure important parts of the body such as knees and ankles during jumping and running, and insufficient ball rebound rate may affect the player's performance during exercise. In addition, the poor uniformity of the movement performance of the entire sports wood floor system can also lead to the discomfort of the players during the game, making it difficult to obtain the optimal movement state.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a five-layer keel damping structure for a sports wood floor, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a five-layer keel shock absorption structure for a sports wood floor comprises a sports panel layer, a bearing plate layer, a first-stage double-layer combined keel, a second-stage keel, a third-stage double-layer combined keel, an elastic gasket for connecting a main structure part, a leveling cushion block for leveling the structure and a bottom layer elastic shock absorption cushion; the lower end face of the moving panel layer is provided with a bearing plate layer, and the moving panel layer and the bearing plate layer are connected into a whole to form the uppermost layer part of the moving wood floor; the corresponding position of the lower side edge of the bearing plate layer is connected with a first-stage double-layer combined keel, the first-stage double-layer combined keel comprises a first-layer keel and a second-layer keel which are vertically stacked, two sides of the lower end surface of the first-layer keel are connected with elastic gaskets, and the lower end surface of each elastic gasket is connected with the second-layer keel; the lower end face of the first-stage double-layer combined keel is connected with an elastic gasket, and the lower end face of the elastic gasket is connected with a second-stage keel; an elastic gasket is arranged on the lower end face of the second-stage keel, and a third-stage double-layer combined keel is connected to the lower layer of the elastic gasket; the third-stage double-layer combined keel comprises a fourth-layer keel and a fifth-layer keel which are vertically stacked, and an elastic gasket is also arranged between the fourth-layer keel and the fifth-layer keel; leveling cushion blocks are arranged on two sides of the lower end face of the third-stage double-layer combined keel, elastic shock absorption pads are arranged at the bottoms of the leveling cushion blocks, and the elastic shock absorption pads are located at the bottommost layer of the moving wood floor structure.
Preferably, the moving panel layer is vertically stacked with the first-stage double-layer combined keel after being connected with the bearing panel layer through the glue nails, and the bearing panel layer is connected with the first-stage double-layer combined keel through the glue nails.
Preferably, the first-stage double-layer combined keel is positioned above the second-stage keel, and the third-stage double-layer combined keel is positioned above the second-stage keel, namely the second-stage keel, the first-stage double-layer combined keel and the third-stage double-layer combined keel are stacked in an orthogonal manner; the fixed position between second level fossil fragments and first order double-deck combination fossil fragments, the third level double-deck combination fossil fragments is provided with elastic gasket and uses the rifle nail to connect and fix.
Preferably, the leveling cushion block is arranged at a fixed position below the third-stage double-layer combined keel and is connected into a whole through a gun nail.
Preferably, the elastic shock absorption pads are arranged in one-to-one correspondence with the side ends of the leveling cushion blocks, and are connected into a whole by using the gun nails.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, all parts in the structure are connected by adopting the glue nails and the gun nails, so that the structure is integrated, and the stability of the system is optimized. The connection between the bearing plate layer and the first layer of keel can directly enhance the rigidity of the upper layer of the structure, thereby obtaining better ball rebound rate; through the combined use of the bottom layer elastic shock pad and the elastic gasket, the overall elasticity of the system is enhanced, and the impact absorption rate is improved.
The requirement on the movement performance uniformity of the sports wood floor can be realized by setting the distribution of the bottom elastic cushion and the spacing between every two layers of keels when the keels are stacked; in addition, the utility model can also realize the adjustment of the motion performance parameters aiming at different motion categories by changing the distribution and the spacing in a certain interval.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
In the figure: 1. a motion panel layer; 2. a load bearing slab layer; 3. a first-stage double-layer combined keel; 4. a second level keel; 5. a third-stage double-layer combined keel; 6. an elastic pad; 7. leveling cushion blocks; 8. an elastic shock pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a five-layer keel shock absorption structure for a sports wood floor comprises a sports panel layer 1, a bearing plate layer 2, a first-stage double-layer combined keel 3, a second-stage keel 4, a third-stage double-layer combined keel 5, an elastic gasket 6 for connecting a main structure part, a leveling cushion block 7 for leveling the structure and a bottom-layer elastic shock absorption pad 8; the lower end surface of the moving panel layer 1 is provided with a bearing plate layer 2, and the moving panel layer 1 and the bearing plate layer 2 are connected into a whole to form the uppermost layer part of the moving wood floor; a first-stage double-layer combined keel 3 is connected to a corresponding position of the lower side edge of the bearing plate layer 2, the first-stage double-layer combined keel 3 comprises a first-layer keel and a second-layer keel which are vertically stacked, elastic gaskets 6 are connected to two sides of the lower end surface of the first-layer keel, and the lower end surface of each elastic gasket 6 is connected with the second-layer keel; the lower end surface of the first-stage double-layer combined keel 3 is connected with an elastic gasket 6, and the lower end surface of the elastic gasket 6 is connected with a second-stage keel 4; an elastic gasket 6 is arranged on the lower end face of the second-stage keel 4, and a third-stage double-layer combined keel 5 is connected to the lower layer of the elastic gasket 6; the third-stage double-layer combined keel 5 comprises a fourth-layer keel and a fifth-layer keel which are vertically stacked, and an elastic gasket 6 is also arranged between the fourth-layer keel and the fifth-layer keel; leveling cushion blocks 7 are arranged on two sides of the lower end face of the third-stage double-layer combined keel 5, elastic damping cushions 8 are arranged at the bottoms of the leveling cushion blocks 7, and the elastic damping cushions 8 are located at the bottommost layer of the moving wood floor structure.
Further, after the motion panel layer 1 is connected with the bearing plate layer 2 through the glue nails, the motion panel layer is vertically stacked with the first-level double-layer combined keel 3, and the bearing plate layer 2 is connected with the first-level double-layer combined keel 3 through the glue nails.
Further, the first-stage double-layer combined keel 3 is positioned above the second-stage keel 4, and the third-stage double-layer combined keel 5 is positioned above the second-stage keel 4, namely the second-stage keel 4, the first-stage double-layer combined keel 3 and the third-stage double-layer combined keel 5 are stacked in an orthogonal manner; the fixed position between second level fossil fragments 4 and first order double-deck combination fossil fragments 3, the third level double-deck combination fossil fragments 5 is provided with elastic gasket 6 and uses the rifle nail to connect and fix.
Furthermore, the leveling cushion block 7 is arranged at a fixed position below the third-stage double-layer combined keel 5 and is connected into a whole through a gun nail.
Furthermore, the elastic shock absorption pads 8 and the side ends of the leveling cushion blocks 7 are arranged in a one-to-one correspondence mode and are connected into a whole through the gun nails.
In the example of the present invention, the two performance indexes of the absorption of impact and the rebound of ball were measured according to "wooden floor for GBT20239-2015 gym".
Example 1:
according to the five-layer keel shock absorption structure for the sports wood floor, which is newly researched, the shock absorption rate of the sports wood floor system is detected. The specific test contents are as follows:
the test principle is as follows: the falling hammer on the impact force detector falls freely, and the force sensor reflects the rebound force generated in the impact process for a test system consisting of a bearing head, a cylindrical spiral spring, an impact force sensor, a base, a test surface and the like; the impact absorption rate is calculated according to the following formula (1):
in the formula:
Fr-impact absorption rate%
Fw-the arithmetic mean of the impact absorption in newtons (N) of the wooden floors used in gymnasiums;
Fc-impact absorption arithmetic mean value for solid ground in newtons (N);
detecting the impact absorption rate of a 3 x 3m sports wood floor system with a three-layer keel shock absorption structure by adopting an impact force detector;
setting parameters of a test instrument: the mass of a drop hammer of the impact force tester is 20kg plus or minus 0.1kg, the ground plane is hard, the side surface is attached with a guide rail, the upper part is provided with a lifting device, and a retractable electromagnet is placed in the lifting device; the impact bearing head is made of hard steel and is arranged on the spring, and the upper surface of the impact bearing head is a spherical curved surface; the elastic coefficient of the spiral spring is 2000kN +/-60 kN/m; the ground of the base is a spherical curved surface, the edge curvature radius of the spherical curved surface is 1mm, and the diameter of the base is 70 mm; the force sensor is connected to an impact force tester, the sampling frequency of the tester is 120Hz, the duration time of a recording curve is 10ms, and the maximum measurement precision is 0.1%;
the test key points are as follows: 1. the impact force detector needs to be in a vertical mode, when the height of a drop hammer is 55mm, first non-record detection is carried out, and formal detection is carried out after 1min interval; 2. after each impact absorption detection is completed, the drop hammer should be reset as soon as possible; 3. in the testing process, 5 test points are selected on the surface of a 3 x 3m sports wood floor system with a three-layer keel damping structure, and each point is detected for at least 3 times;
the test results are given in the following table, table 1:
TABLE 1
According to the test results, the arithmetic mean value of the impact absorption rate obtained by testing all the test point positions is greater than 53% of the national standard, the full-field arithmetic mean value is 68.23%, and the data variance is only 0.645, so that the five-layer keel damping structure for the sports wood floor disclosed by the utility model has better impact absorption performance.
Example 2:
according to the five-layer keel damping structure for the sports wood floor, disclosed by the utility model, the ball rebound rate of a sports wood floor system is detected. The specific test contents are as follows:
1. the test principle is as follows: measuring the rebound height of a basketball on a 3 x 3m sports wood floor system with a three-layer keel shock absorption structure and a solid ground respectively by using a standard basketball, and calculating the rebound rate of the basketball; the ball rebound rate is calculated according to the following formula (2):
in the formula:
Br-rebound rate of the ball%
h-the rebound height of the ball on the detection surface, in millimeters (mm);
h1-ball rebound height on solid ground in millimeters (mm);
detecting the ball rebound rate of a 3 x 3m sports wood floor system with a three-layer keel shock absorption structure by adopting a frame with a scale and a height of 2.2m and a standardized basketball;
the test key points are as follows: 1. lifting the basketball to a position with the distance between the lower edge of the basketball and the ground being 1.8 m; 2. the standard basketball inflation amount is 1300mm based on the rebound height on the solid concrete ground; 3. measuring the rebound height of the ball, namely the distance between the upper edge of the basketball and the ground, on the solid concrete ground and the detection surface respectively, and accurately measuring the rebound height to 5 mm; 4. in the testing process, 5 test points are selected on the surface of a 3 x 3m sports wood floor system with a three-layer keel damping structure, and each point is detected for at least 3 times;
the test results are given in the following table, table 2:
TABLE 2
According to the test results, the arithmetic mean value of the impact absorption rate obtained by all the test point positions is greater than 90% of the national standard, the whole-field arithmetic mean value is 98.11%, and the data variance is only 0.2, so that the five-layer keel damping structure for the sports wood floor disclosed by the utility model has better ball rebound performance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a motion timber apron is with five layers of fossil fragments shock-absorbing structure which characterized in that: the movable floor comprises a moving panel layer (1), a bearing plate layer (2), a first-stage double-layer combined keel (3), a second-stage keel (4), a third-stage double-layer combined keel (5), an elastic gasket (6) for connecting main structure parts, a leveling cushion block (7) for leveling the structure and a bottom layer elastic shock pad (8); the lower end face of the moving panel layer (1) is provided with a bearing plate layer (2), and the moving panel layer (1) and the bearing plate layer (2) are connected into a whole to form the uppermost layer part of the moving wood floor; a first-stage double-layer combined keel (3) is connected to the corresponding position of the lower side edge of the bearing plate layer (2), the first-stage double-layer combined keel (3) comprises a first-layer keel and a second-layer keel which are vertically stacked, elastic gaskets (6) are connected to two sides of the lower end surface of the first-layer keel, and the lower end surface of each elastic gasket (6) is connected with the second-layer keel; the lower end face of the first-stage double-layer combined keel (3) is connected with an elastic gasket (6), and the lower end face of the elastic gasket (6) is connected with a second-stage keel (4); an elastic gasket (6) is arranged on the lower end face of the second-stage keel (4), and a third-stage double-layer combined keel (5) is connected to the lower layer of the elastic gasket (6); the third-stage double-layer combined keel (5) comprises a fourth-layer keel and a fifth-layer keel which are vertically stacked, and an elastic gasket (6) is also arranged between the fourth-layer keel and the fifth-layer keel; and leveling cushion blocks (7) are arranged on two sides of the lower end face of the third-stage double-layer combined keel (5), elastic shock absorption pads (8) are arranged at the bottoms of the leveling cushion blocks (7), and the elastic shock absorption pads (8) are located at the bottommost layer of the moving wood floor structure.
2. The five-layer keel shock-absorbing structure for sports wood floor as claimed in claim 1, wherein: the sport panel layer (1) is vertically stacked with the first-stage double-layer combined keel (3) after being connected with the bearing panel layer (2) through the glue nails, and the bearing panel layer (2) is connected with the first-stage double-layer combined keel (3) through the glue nails.
3. The five-layer keel shock-absorbing structure for sports wood floor as claimed in claim 1, wherein: the first-stage double-layer combined keel (3) is positioned above the second-stage keel (4), the third-stage double-layer combined keel (5) is positioned above the second-stage keel (4), and the second-stage keel (4), the first-stage double-layer combined keel (3) and the third-stage double-layer combined keel (5) are stacked in an orthogonal mode; the fixed positions between the second-level keel (4) and the first-level double-layer combined keel (3) and between the third-level double-layer combined keel (5) are provided with elastic gaskets (6) and are connected and fixed by using gun nails.
4. The five-layer keel shock-absorbing structure for sports wood floor as claimed in claim 1, wherein: the leveling cushion blocks (7) are arranged at fixed positions below the third-stage double-layer combined keel (5) and are connected into a whole through gun nails.
5. The five-layer keel shock-absorbing structure for sports wood floor as claimed in claim 1, wherein: the elastic shock absorption pads (8) are arranged in one-to-one correspondence with the side ends of the leveling cushion blocks (7) and are connected into a whole by using the gun nails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121489009.5U CN215888682U (en) | 2021-06-30 | 2021-06-30 | Five-layer keel shock-absorbing structure for sports wood floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121489009.5U CN215888682U (en) | 2021-06-30 | 2021-06-30 | Five-layer keel shock-absorbing structure for sports wood floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215888682U true CN215888682U (en) | 2022-02-22 |
Family
ID=80345189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121489009.5U Active CN215888682U (en) | 2021-06-30 | 2021-06-30 | Five-layer keel shock-absorbing structure for sports wood floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215888682U (en) |
-
2021
- 2021-06-30 CN CN202121489009.5U patent/CN215888682U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Keogh | The use of physical fitness scores and anthropometric data to predict selection in an elite under 18 Australian rules football team | |
| Stone et al. | Relationship of maximum strength to weightlifting performance | |
| Barnes et al. | Relationship of jumping and agility performance in female volleyball athletes | |
| CN210803166U (en) | Elastic material shock attenuation capability test device for sole | |
| McClymont et al. | Use of the reactive strength index (RSI) as an indicator of plyometric training conditions | |
| Viitasalo | Evaluation of explosive strength for young and adult athletes | |
| ES2285393T3 (en) | PROCEDURE AND INSTRUMENT TO CHARACTERIZE A FLOOR SURFACE, FOR EXAMPLE A SYNTHETIC LAWN SURFACE. | |
| US10197484B2 (en) | Device and method to measure the effectiveness of protective sports equipment | |
| Haake et al. | The dynamic impact characteristics of tennis balls with tennis rackets | |
| CN215888682U (en) | Five-layer keel shock-absorbing structure for sports wood floor | |
| Nilsson et al. | Aerobic and anaerobic test performance among elite male football players in different team positions | |
| CN216075690U (en) | Four-layer keel shock-absorbing structure for sports wood floor | |
| CN215670784U (en) | Three-layer keel structure for sports wood floor | |
| CN215889199U (en) | Four-layer keel structure for sports wood floor | |
| CN213539592U (en) | Three-layer keel shock-absorbing structure for sports wood floor | |
| CN214181586U (en) | Sports falls to ground auxiliary pad | |
| KR20140025300A (en) | Golf club with a cushion made of viscoelastic material | |
| LoVerde et al. | Investigation into a Standardized Test Method for Measuring and Predicting Heavy Weight Impact Noise Transmission | |
| CN212158981U (en) | Shock absorption resilience performance tester for shoes | |
| Pradas et al. | An analysis of jumping force manifestation profile in table tennis | |
| YÜKSEL et al. | Investigation the effect of footwork on strength and agility parameters of badminton players | |
| CN110639189B (en) | Taekwondo training is with training foot target | |
| RU2368411C1 (en) | Method of determining tennis-racket and tennis-ball dynamic behavior | |
| Oxyzoglou et al. | Evaluation of high-level handball players in morphological characteristics and various motor abilities by playing position | |
| Knudson | Effect of grip models on rebound accuracy of off-center tennis impacts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |