CN214436385U - Tennis trainer suitable for beginner uses - Google Patents
Tennis trainer suitable for beginner uses Download PDFInfo
- Publication number
- CN214436385U CN214436385U CN202120313087.3U CN202120313087U CN214436385U CN 214436385 U CN214436385 U CN 214436385U CN 202120313087 U CN202120313087 U CN 202120313087U CN 214436385 U CN214436385 U CN 214436385U
- Authority
- CN
- China
- Prior art keywords
- ball
- pipe
- tennis
- opening
- training device
- 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.)
- Expired - Fee Related
Links
- 238000010276 construction Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Images
Landscapes
- Instructional Devices (AREA)
Abstract
The utility model discloses a tennis training device suitable for beginners, which comprises a ball dispenser, a net bag and a net bag fixing device, wherein the ball dispenser comprises a funnel, a ball inlet pipe is connected below the funnel, the middle part of the ball inlet pipe is connected with one end of an upper ball outlet pipe, the lower part of the ball inlet pipe is connected with one end of a lower ball outlet pipe, a valve is arranged in the ball inlet pipe, and the valve is arranged at the lower end of a connecting port of the upper ball outlet pipe and the ball inlet pipe; the other end of the upper ball sending pipe is connected with the middle part of the ball sending pipe, and the other end of the lower ball sending pipe is connected with the bottom of the ball sending pipe; the middle part of the upper bulb tube is provided with an upper opening, and the middle part of the lower bulb tube is provided with a lower opening; a support plate is arranged on the base, and a friction wheel is arranged on the support plate; the ball is sent through the single friction wheel, so that the ball sending speed is reduced; the friction wheel is combined with the upper ball serving tube and the lower ball serving tube, and the clockwise rotation and the anticlockwise rotation of the friction wheel achieve tennis ball downward spin and upward spin serving, so that diversified serving is realized; the adjustment of the ball serving angle is realized through the angle adjuster.
Description
Technical Field
The utility model belongs to the technical field of sport equipment, a tennis trainer suitable for beginner uses is related to.
Background
With the development of the economic level of China, the popularity of tennis in China is higher and higher. Because tennis does not have direct physical confrontation, the tennis is a sports item suitable for people of all ages and also a sports item suitable for lifelong participation. In colleges and universities, tennis is also a favorite sport well received by college students.
The tennis lesson is used as a practice class course, the ball drawing technology is important teaching content of the course, and students need to practice the practice repeatedly to be mastered. In the teaching process, students generally practice the ball drawing technique by hitting the ball on the wall. Due to the reasons that beginners have poor ball pre-judgment, unskilled action skills and poor strength control, the problems that the exercise time is far shorter than the ball picking time and the exercise efficiency is low commonly exist in the exercise process. After the school period is over, few students can reach the teaching target of the course, the tennis course teaching effect is poor, and the tennis course teaching effect is a difficult problem which puzzles the tennis course teaching of colleges and universities for many years.
In the teaching process, the auxiliary teaching equipment is an effective means for improving the teaching effect. The auxiliary teaching equipment for the tennis ball drawing technology in the current market is generally not suitable for beginners and mainly has the following problems: (1) the ball serving speed is too fast, and even if the ball serving speed is adjusted to the slowest speed, the ball serving speed is too fast for beginners; (2) tennis balls cannot be automatically collected, so that much time is required for picking up the tennis balls, and the training efficiency is influenced; (3) although the problem of service speed is solved by the existing ball throwing auxiliary teaching equipment in the market, the thrown ball does not rotate and cannot simulate the actual rotation rule of tennis balls. The problems are the main reasons that the conventional tennis auxiliary teaching equipment is not widely applied to beginner teaching. As a college tennis class, the number of people participating in course learning is large, and the requirement of teachers for one-to-one teaching is difficult. Therefore, the auxiliary teaching equipment is particularly important for the effect of college tennis course teaching. The teaching equipment which is slow in service speed, can simulate the actual rotation direction of the tennis ball and automatically collect the tennis ball is developed, and the teaching equipment has important significance for improving the teaching effect of college tennis courses and solving the teaching difficulty of the tennis courses of colleges and universities at present.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tennis trainer suitable for beginner uses to solve present tennis trainer who is applicable to the beginner and use and have the speed of serve too fast, can not automatic collection tennis, can not simulate the problem of the actual rotatory law of tennis.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model discloses a tennis training device suitable for beginner's use, including service robot, string bag and string bag fixing device, the service robot includes the funnel, is connected with the inlet tube below the funnel, and the middle part of inlet tube is connected with the one end of last service tube, and the lower part of inlet tube is connected with the one end of sending down the bulb, and the inlet tube is respectively with last service tube and sending down the bulb in vertical direction contained angle scope 90 ~ 105 °; a valve is arranged in the ball inlet pipe, and the valve is arranged at the lower end of a connecting port of the upper ball serving pipe and the ball inlet pipe; the other end of the upper ball sending pipe is connected with the middle part of the ball sending pipe, and the other end of the lower ball sending pipe is connected with the bottom of the ball sending pipe; the middle part of the upper bulb tube is provided with an upper opening, the middle part of the lower bulb tube is provided with a lower opening, and the opening of the upper opening is opposite to the opening of the lower opening in the vertical direction; the lower ball-sending pipe is fixedly arranged on the base, a support plate is arranged on the base, a friction wheel is arranged on the support plate, and the friction wheel is positioned between the upper opening and the lower opening; the bottom of the net bag is connected with the ball dispenser, and the net bag is arranged on the net bag fixing device.
In the above aspect, it may be preferable that the lower ball opening of the net bag is connected to the funnel.
It is also preferable that the front portion of the string bag is a fan-shaped opening.
It is also preferable that the bottom of the net bag is of a conical structure, the bottom of the conical structure is provided with a ball inlet, and the ball inlet is connected with the upper part of the funnel.
It may also be preferred that the funnel is of inverted conical configuration.
It is also preferable that the included angle between the ball outlet pipe and the upper ball sending pipe and the included angle between the ball outlet pipe and the lower ball sending pipe in the vertical direction are obtuse angles.
It is also preferable that the joint of the upper ball serving pipe and the ball outlet pipe is in arc connection.
It is also preferable that the joint of the lower ball-sending pipe and the ball-sending pipe is in arc connection.
It is also preferable that an angle adjuster is installed at the ball outlet of the ball outlet pipe.
It can also be preferred that the angle adjuster comprises an adjusting plate and an adjusting rod, the adjusting plate is mounted at the outlet of the ball outlet pipe through a hinge, one end of the adjusting rod is connected with the adjusting plate, the other end of the adjusting rod is connected with the ball outlet pipe, and the adjusting rod is provided with a locking knob.
It may also be preferred that the valve is a solenoid valve.
It may also be preferred that the friction wheel is connected to a drive motor.
It may also be preferred that the friction wheel is a rubber wheel.
It may also be preferred that the friction wheel is provided with a saw-tooth structure.
It is also preferable that the string bag fixing device is composed of at least four height telescopic rods and four cross rods, and the height of the telescopic rods can be adjusted.
The utility model has the advantages that:
the tennis training device suitable for beginners solves the problems that the tennis training device suitable for beginners in the prior art has too high service speed, cannot automatically collect tennis balls and cannot simulate the actual rotation rule of tennis balls; the ball is sent through the single friction wheel, so that the ball sending force is reduced, and the ball sending speed is reduced; the friction wheel is combined with the upper ball serving tube and the lower ball serving tube, and the clockwise rotation and the anticlockwise rotation of the friction wheel achieve tennis ball downward spin and upward spin serving, so that diversified serving is realized; the adjustment of the ball serving angle is realized through an angle adjuster; the returned tennis balls are automatically received through the net bag, so that one tennis ball can be trained without picking up the tennis balls.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic three-dimensional structure diagram of the tennis training device suitable for beginners.
Fig. 2 is a front view of the tennis training device for beginners of the present invention.
Fig. 3 is a top view of the tennis training device of the present invention, which is suitable for beginners.
Figure 4 is a partial enlarged view of the angle adjuster portion of the tennis training device of the present invention, suitable for use by a beginner.
In the figure, 1 is a funnel, 2 is a ball inlet pipe, 3 is an upper ball sending pipe, 4 is a lower ball sending pipe, 5 is a ball outlet pipe, 6 is an upper opening, 7 is a lower opening, 8 is a base, 9 is a support plate, 10 is a friction wheel, 11 is a valve, 12 is a net bag, 13 is a net bag fixing device, 14 is an angle adjuster, 1401 is a connecting adjusting plate, 1402 is an adjusting rod, 1403 is a locking knob, and 15 is a driving motor.
Detailed Description
To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.
Example 1
A tennis training device suitable for beginners is shown in figures 1 to 3 and comprises a ball dispenser, a net bag 12 and a net bag fixing device 13, wherein the ball dispenser comprises a funnel 1, a ball inlet pipe 2 is connected to the lower portion of the funnel 1, the middle of the ball inlet pipe 2 is connected with one end of an upper ball outlet pipe 3, the lower portion of the ball inlet pipe 2 is connected with one end of a lower ball outlet pipe 4, and the included angles of the ball inlet pipe 2, the upper ball outlet pipe 3 and the lower ball outlet pipe 4 in the vertical direction range from 90 degrees to 105 degrees; a valve 11 is arranged in the ball inlet pipe 2, and the valve 11 is arranged at the lower end of a connecting port of the upper ball-emitting pipe 3 and the ball inlet pipe 2; the other end of the upper ball serving tube 3 is connected with the middle part of the ball outlet tube 5, and the other end of the lower ball serving tube 4 is connected with the bottom of the ball outlet tube 5; the middle part of the upper ball serving tube 3 is provided with an upper opening 6, the middle part of the lower ball serving tube 4 is provided with a lower opening 7, and the opening of the upper opening 6 is opposite to the opening of the lower opening 7; the lower ball-sending pipe 4 is fixedly arranged on a base 8, a support plate 9 is arranged on the base 8, a friction wheel 10 is arranged on the support plate 9, and the friction wheel 10 is positioned between the upper opening 6 and the lower opening 7; the bottom of the net bag 12 is connected with the ball dispenser, and the net bag 12 is arranged on the net bag fixing device 13.
The hopper 1 is connected with the ball inlet pipe 2 in a welding or threaded connection mode, the ball inlet pipe 2 is a circular pipe, the inner diameter of the circular pipe is larger than the diameter of a tennis ball, the middle part of the ball inlet pipe 2 is communicated and connected with one end of the upper ball serving pipe 3 in a bonding or welding mode, and the inner diameter of the upper ball serving pipe 3 is larger than the diameter of the tennis ball; the lower part of the ball inlet pipe 2 is communicated and connected with one end of the lower ball-delivering pipe 4 in a bonding or welding way, and the inner diameter of the lower ball-delivering pipe 4 is larger than the diameter of the tennis ball; the joint of the upper ball serving pipe 3 and the ball inlet pipe 2 is in arc connection, so that tennis balls can enter the lower ball serving pipe 4 more smoothly; the joint of the lower ball-delivering pipe 4 and the ball-feeding pipe 2 is in arc connection, so that tennis balls can enter the lower ball-delivering pipe 4 more smoothly; the lower ball tube 4 is fixedly arranged on the base 8 through a hoop, and the wheels of the friction wheel 10 can extrude tennis balls at the upper opening 6 or the lower opening 7. For example, the inlet tube 2 may be vertically angled at 90 °, 105 °, or 100 ° to the upper and lower service tubes 3 and 4, respectively.
Example 2
A tennis training device suitable for beginners, similar to embodiment 1, except that as shown in fig. 1 to 3, the lower ball mouth of the net bag 12 is connected with the funnel 1, the top of the funnel 1 is provided with a mounting ring, the mounting ring is used for being connected with the net bag 12, and the net bag 12 is a net bag woven by elastic ropes; the front part of the net bag 12 is a fan-shaped opening, so that returned tennis balls can be better received; the bottom of the net bag 12 is of a conical structure, the bottom of the conical structure is provided with a ball inlet, and the ball inlet is connected with the upper part of the funnel 1 to ensure that tennis balls entering the net bag 12 can automatically roll into the funnel 1; the funnel 1 is of an inverted cone structure, so that tennis balls can automatically enter the ball inlet pipe 2; the included angle between the ball outlet pipe 5 and the upper ball serving pipe 3 and the included angle between the ball outlet pipe 5 and the lower ball serving pipe 4 in the vertical direction are obtuse angles, the obtuse angle ranges from 110 degrees to 120 degrees, and tennis balls can be smoothly ejected from the ball outlet pipe 5; the joint of the upper ball serving pipe 3 and the ball outlet pipe 5 is in arc connection, so that tennis balls can enter the ball outlet pipe 5 more smoothly; the joint of the lower ball delivery pipe 4 and the ball outlet pipe 5 is in arc connection, so that tennis balls can enter the ball outlet pipe 5 more smoothly; an angle regulator 14 is arranged at the ball outlet of the ball outlet pipe 5 and used for regulating the shooting angle of the tennis ball so as to be more convenient for a ball training person to receive the tennis ball; as shown in fig. 4, the angle adjuster 14 comprises an adjusting plate 1301 and an adjusting rod 1402, the adjusting plate 1301 is mounted at the outlet of the ball outlet pipe 5 through a hinge, one end of the adjusting rod 1402 is connected with the adjusting plate 1401, a rotating plate is arranged on the adjusting plate 1301, and the adjusting rod 1402 is connected with the rotating plate; the other end of the adjusting rod 1402 is connected with the ball outlet pipe 5, the adjusting rod 1402 is connected with a connecting block arranged at the outlet of the ball outlet pipe 5, a shaft plate is arranged on the block connection, and the adjusting rod 1402 is connected with the shaft plate; the adjusting lever 1402 is a telescopic lever, the adjusting lever 1402 is provided with a locking knob 1403, and after the position of the adjusting lever 1402 is adjusted, the adjusting lever 1402 is locked, for example, the obtuse angle may be 110 °, 120 °, or 115 °.
The valve 11 of the present embodiment is an electromagnetic switch valve, and can be controlled by an external controller; the valve 11 can also be a manual switch valve, and the valve 11 can be opened and closed manually; the friction wheel 10 is connected with a driving motor 15, and a motor 14 can rotate positively and negatively; the friction wheel 10 is a rubber wheel, and the friction wheel 10 is provided with a sawtooth structure, so that the friction force can be increased; the net bag 12 fixing device is composed of at least four height telescopic rods and four cross rods, and the height of each telescopic rod can be adjusted, so that the height of the net bag 12 can be adjusted, and the ball receiving range can be adjusted.
The tennis training device suitable for the beginner in the embodiment has the working principle that tennis enters the funnel 1 from the string bag 12 and then enters the ball inlet pipe 2 from the funnel 1, when the tennis training device suitable for the beginner is planned to send a spin-down ball, the valve 11 is closed, the tennis enters the upper ball serving pipe 3, when the tennis reaches the upper opening 6, the motor 14 drives the friction wheel 10 to rotate clockwise, the friction wheel 10 extrudes the tennis to provide launching power for the tennis, the tennis enters the ball outlet pipe 5 and is ejected from the ball outlet of the ball outlet pipe 5, the tennis is a spin-down ball, and the angle regulator 14 needs to be regulated according to the ejection angle of the tennis to reach the required ejection angle; when the tennis training device suitable for beginners plans to send a spin ball, the valve 11 is opened, the tennis enters the lower ball-sending pipe 4, when the tennis reaches the lower opening 7, the motor 14 drives the friction wheel 10 to rotate anticlockwise, the friction wheel 10 extrudes the tennis to provide launching power for the tennis, the tennis enters the ball-sending pipe 5 and is shot out from the ball-sending opening of the ball-sending pipe 5, and the tennis is a spin ball; after returning, the tennis ball is caught by the string bag 12 and enters the funnel 1 again. The single friction wheel 10 is used for serving, so that the serving force is reduced, and the trainers can receive the balls more easily; the friction wheel is combined with the upper ball serving tube and the lower ball serving tube, and the clockwise rotation and the anticlockwise rotation of the friction wheel achieve tennis ball downward spin and upward spin serving, so that diversified serving is realized; the adjustment of the ball serving angle is realized through an angle adjuster; the returned tennis balls are automatically received through the net bag, so that one tennis ball can be trained without picking up the tennis balls.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A tennis training device suitable for beginners comprises a ball dispenser, a net bag (12) and a net bag fixing device (13), and is characterized in that the ball dispenser comprises a funnel (1), a ball inlet pipe (2) is connected below the funnel (1), the middle part of the ball inlet pipe (2) is connected with one end of an upper ball dispensing pipe (3), the lower part of the ball inlet pipe (2) is connected with one end of a lower ball dispensing pipe (4), and the included angles of the ball inlet pipe (2) and the upper ball dispensing pipe (3) and the lower ball dispensing pipe (4) in the vertical direction range from 90 degrees to 105 degrees; a valve (11) is arranged in the ball inlet pipe (2), and the valve (11) is arranged at the lower end of a connecting port of the upper ball serving pipe (3) and the ball inlet pipe (2); the other end of the upper bulb-sending pipe (3) is connected with the middle part of the bulb-sending pipe (5), and the other end of the lower bulb-sending pipe (4) is connected with the bottom of the bulb-sending pipe (5); an upper opening (6) is formed in the middle of the upper bulb tube (3), a lower opening (7) is formed in the middle of the lower bulb tube (4), and the opening of the upper opening (6) is opposite to the opening of the lower opening (7) in the vertical direction; the lower ball-delivering pipe (4) is fixedly arranged on the base (8), a support plate (9) is arranged on the base (8), a friction wheel (10) is arranged on the support plate (9), and the friction wheel (10) is positioned between the upper opening (6) and the lower opening (7); the bottom of the net bag (12) is connected with the ball dispenser, and the net bag (12) is arranged on the net bag fixing device (13).
2. The tennis training device for beginners as recited in claim 1, wherein the lower mouth of the net (12) is connected to the funnel (1).
3. The tennis training device as claimed in claim 2, wherein the front part of the net bag (12) is a fan-shaped opening.
4. The tennis training device for beginners as claimed in claim 2, wherein the bottom of the net (12) is of a conical structure, the bottom of the conical structure is provided with a ball inlet, and the ball inlet is connected with the upper part of the funnel (1).
5. Tennis training device according to claim 1, wherein the funnel (1) is of inverted cone-shaped construction.
6. Tennis training device according to claim 1, wherein the vertical angle between the outlet tube (5) and the upper (3) and lower (4) tubes is obtuse.
7. The tennis training device as claimed in claim 1, wherein the junction of the upper tee (3) and the tee (5) is a circular arc.
8. The tennis training device as claimed in claim 1, wherein the joint between the lower tube (4) and the ball outlet tube (5) is a circular arc.
9. The tennis training device as claimed in claim 1, wherein the outlet of the outlet tube (5) is provided with an angle adjuster (14).
10. Tennis training apparatus as claimed in claim 1, wherein the valve (11) is a solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313087.3U CN214436385U (en) | 2021-02-03 | 2021-02-03 | Tennis trainer suitable for beginner uses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120313087.3U CN214436385U (en) | 2021-02-03 | 2021-02-03 | Tennis trainer suitable for beginner uses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214436385U true CN214436385U (en) | 2021-10-22 |
Family
ID=78142811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120313087.3U Expired - Fee Related CN214436385U (en) | 2021-02-03 | 2021-02-03 | Tennis trainer suitable for beginner uses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214436385U (en) |
-
2021
- 2021-02-03 CN CN202120313087.3U patent/CN214436385U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5330199A (en) | Ball accuracy target | |
| US7775911B2 (en) | Apparatus and method for training players in sports | |
| CN108043005B (en) | Volleyball serving device for sports | |
| US7691013B2 (en) | Method and device for tennis training | |
| CN206995784U (en) | A kind of manual table tennis emitter | |
| CN110052009A (en) | A kind of efficient vollyball supplemental training device of sport | |
| US5662536A (en) | Batting practice apparatus | |
| CN111617457B (en) | Automatic volleyball throwing machine used during volleyball teaching training | |
| CN111603743A (en) | Sports teaching tennis service trainer | |
| CN109821209A (en) | A kind of intelligent shuttlecock transmitter of traceable sportsman's erect-position | |
| CN205730245U (en) | A kind of tennis service device | |
| CN214436385U (en) | Tennis trainer suitable for beginner uses | |
| CN203303606U (en) | Table tennis training device | |
| CN212548200U (en) | Table tennis table for teaching training | |
| CN206823093U (en) | A kind of string bag of basketball training | |
| CN208893579U (en) | A kind of Physical Education Teaching volleyball smash ball tossing apparatus | |
| CN203777636U (en) | Integrated volleyball passing and spiking training device | |
| CN213192425U (en) | Directional automatic service tennis training ware | |
| CN210251100U (en) | Juggling trainer | |
| CN205460859U (en) | Tennis training aid with automatica serve function | |
| CN203989787U (en) | The indoor training aids of tennis | |
| CN208809414U (en) | A kind of basketball shooting training device | |
| CN211189061U (en) | Training device suitable for tennis beginner | |
| CN210433937U (en) | Batting trainer of college volleyball sports program | |
| CN209984894U (en) | Intelligent badminton launcher capable of tracking station positions of athletes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |