CN103801066B - A kind of ball-projecting device for tennis service action exercise - Google Patents
A kind of ball-projecting device for tennis service action exercise Download PDFInfo
- Publication number
- CN103801066B CN103801066B CN201410084486.1A CN201410084486A CN103801066B CN 103801066 B CN103801066 B CN 103801066B CN 201410084486 A CN201410084486 A CN 201410084486A CN 103801066 B CN103801066 B CN 103801066B
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- Prior art keywords
- swing arm
- tennis
- ball
- projecting device
- service action
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- 210000004279 Orbit Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 7
- 230000001105 regulatory Effects 0.000 description 4
- 230000000386 athletic Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000002860 competitive Effects 0.000 description 1
- 230000003247 decreasing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
A kind of ball-projecting device for tennis service action exercise, comprise a base, base connects a swing arm by back shaft, be provided with track in swing arm, swing arm one end is connected with drive unit up and down, and base is connected with tennis ball railings by connector, the bottom of tennis ball railings is provided with an outlet, outlet is positioned at above track, and exit lower end is provided with switch door-plate, and switch door-plate is connected with driving mechanism.Multiple tennis is placed in tennis ball railings, when the swing arm other end moves down, switch door-plate rotating opening exports, and tennis is fallen in the track of swing arm, when stopping after the other end commutation of swing arm moves again or commutate, the tennis being rolled to track end is upwards dished out under effect of inertia.The present invention utilizes drive unit up and down to repeat to drive swing arm, tennis ball railings and switch door-plate is utilized to discharge tennis one by one, the tennis of swing arm end is dished out, eliminates the action that sportsman repeats upthrow tennis, add the time of the actual exercise impact of sportsman.
Description
Technical field:
The present invention relates to mechanical field, particularly relate to athletic sports appliance, particularly automatic casting device, specifically a kind of ball-projecting device for tennis service action exercise.
Background technology:
Tennis is universal competitive events.For tennis beginner, holding bat, serve a ball, batting is three large basic fundamentals, and wherein service is a score technology of unilaterally being arranged by sportsman completely, and in the whole match, successful service technique plays very important effect to decision of a game.Service technique comprises flat service, cut service and on revolve service, be in one's hands shooting method, toss position, striking point on the ball, bounce-back direction of three kinds of service techniques of different nature is different.GPRS good different three types service and accurately judge that the skyborne drop point of tennis impacts, needs through repeating and train.Owing to first needing the process of a upthrow tennis in service process, the process constantly being repeated upthrow tennis by sportsman can reduce its actual time of practising impact.
Summary of the invention:
The object of the present invention is to provide a kind of ball-projecting device for tennis service action exercise, the described this ball-projecting device for tennis service action exercise will solve the technical problem that process that sportsman in prior art constantly repeats upthrow tennis causes the time decreased of its actual exercise impact.
This ball-projecting device for tennis service action exercise of the present invention, comprise a base, wherein, described base is fixedly installed a column, the upper end of described column is provided with a back shaft, the axis of described back shaft is vertical with the length direction of column, back shaft is provided with a swing arm, between back shaft and column, or between back shaft and swing arm, or back shaft and be provided with revolute pair between swing arm and column, swing arm includes a first end and second end, a track is provided with along its length in swing arm, described track is between the first end and the shaft core position of back shaft of swing arm, second end of swing arm is connected with a drive unit up and down, track is provided with a baffle plate at the end at the first end place of swing arm, the upper end of column is fixedly installed a gag lever post, one end of described gag lever post extends in the stroke of swing arm, base is connected with a tennis ball railings by connector, described tennis ball railings is funnel-form, the bottom of tennis ball railings is provided with an outlet, described outlet is positioned at the top of swing arm middle orbit, the lower end of outlet is provided with a switch door-plate, described switch door-plate is connected with a driving mechanism.
Further, the driving mechanism that switch door-plate connects is connected with described drive unit up and down.
Further, swing arm is made up of a mobile jib and an extension rod, the length direction of described extension rod overlaps with the length direction of described mobile jib, the first end of swing arm is positioned at one end of extension rod, the other end of extension rod is connected with one end of mobile jib, and track lays respectively on mobile jib and extension rod.
Further, in a tubular form, described track is made up of the tube chamber of swing arm swing arm, and tube chamber is provided with outlet upwards at the first end of swing arm.
Further, described drive unit up and down comprises a motor, described motor is fixedly installed on base, the output shaft of motor is connected with a crank by reducing gear, one end of second end of swing arm and a first connecting rod is hinged, the other end of described first connecting rod and one end of described crank hinged.
Further, the side of described switch door-plate and the outlet at bottom of column or swing arm or tennis ball railings side walls hinged, switch door-plate is fixedly connected with a pull bar, one end of one end of described pull bar and a second connecting rod is hinged, the other end of described second connecting rod and one end of described crank hinged.
Further, the downside of base is provided with wheel, base is provided with hand push frame.
Further, the first end of swing arm is greater than the distance of the second end to the axle center of back shaft of swing arm to the distance in the axle center of back shaft.
Further, motor includes a control end, and described control end is connected with a controller.
Further, base is provided with power supply.
Operation principle of the present invention is: in tennis ball railings, place multiple tennis, and the tennis in switch gate plate resistance backstop cage falls.Start up and down after drive unit, the first end of swing arm moves down, meanwhile, and the outlet of switch door-plate rotating opening tennis ball railings lower end, when the first end of swing arm moves down into lowermost end, the outlet of tennis ball railings lower end is opened completely, and a tennis is fallen in the track of swing arm, now, the first end of swing arm moves up, meanwhile, switch door-plate starts the outlet of cutting out tennis ball railings lower end, stops that next tennis falls.The first end of swing arm moves past in journey upper, the tennis orbital motion falling into track to swing arm first end end outlet place and by baffle, drive unit drives swing arm break-in up and down, and tennis is upwards dished out under effect of inertia.Gag lever post can make swing arm first end on journey of dividing a word with a hyphen at the end of a line stop at once, increase initial velocity when tennis is dished out.The Impact energy of swing arm and gag lever post is absorbed by gag lever post, column.Regulated the running speed of the motor in drive unit up and down by controller, the height that tennis can be regulated to throw, adapts to different exercise objects.
The present invention compares with prior art, and its effect is actively with obvious.The present invention utilizes drive unit up and down to repeat to drive swing arm, tennis ball railings and switch door-plate is utilized to discharge tennis one by one, the tennis of swing arm end is dished out, eliminates the action that sportsman repeats upthrow tennis, add the time of the actual exercise impact of sportsman.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of a kind of ball-projecting device for tennis service action exercise of the present invention.
Fig. 2 is the partial structurtes schematic diagram of an embodiment of a kind of ball-projecting device for tennis service action exercise of the present invention.
Detailed description of the invention:
Embodiment 1:
As depicted in figs. 1 and 2, a kind of ball-projecting device for tennis service action exercise of the present invention, comprise a base 11, wherein, described base 11 is fixedly installed a column 10, the upper end of described column 10 is provided with a back shaft 15, the axis of described back shaft 15 is vertical with the length direction of column 10, back shaft 15 is provided with a swing arm 3, revolute pair is provided with between back shaft 15 and swing arm 3, swing arm 3 includes a first end and second end, a track is provided with along its length in swing arm 3, described track is between the first end and the shaft core position of back shaft 15 of swing arm 3, second end of swing arm 3 is connected with a drive unit up and down, track is provided with a baffle plate at the end at the first end place of swing arm 3, the upper end of column 10 is fixedly installed a gag lever post 2, one end of described gag lever post 2 extends in the stroke of swing arm 3, base 11 is connected with a tennis ball railings 1 by connector 17, described tennis ball railings 1 is in funnel-form, the bottom of tennis ball railings 1 is provided with an outlet, described outlet is positioned at the top of swing arm 3 middle orbit, the lower end of outlet is provided with a switch door-plate, described switch door-plate is connected with a driving mechanism.
Concrete, one end of gag lever post 2 is provided with clashes into contact head 18.
Further, the driving mechanism that switch door-plate connects is connected with described drive unit up and down.
Further, swing arm 3 is made up of a mobile jib and an extension rod 4, the length direction of described extension rod 4 overlaps with the length direction of described mobile jib, the first end of swing arm 3 is positioned at one end of extension rod 4, the other end of extension rod 4 is connected with one end of mobile jib by adapter sleeve 22, and track lays respectively on mobile jib and extension rod 4.
Further, in a tubular form, described track is made up of the tube chamber of swing arm 3 swing arm 3, and tube chamber is provided with outlet upwards at the first end of swing arm 3.
Further, described drive unit up and down comprises a motor 9, described motor 9 is fixedly installed on the pedestal 11, the output shaft of motor 9 is connected with a crank 23 by reducing gear 16, second end 5 of swing arm 3 and one end of a first connecting rod 7 hinged, the other end of described first connecting rod 7 and one end of described crank 23 hinged.
Further, side and the swing arm 3 of described switch door-plate are hinged, switch door-plate is fixedly connected with a pull bar 8, one end of described pull bar 8 and one end of a second connecting rod 6 hinged, the other end of described second connecting rod 6 and one end of described crank 23 hinged.
Further, the downside of base 11 is provided with wheel 12, base 11 is provided with hand push frame 14, includes handrail 13 in hand push frame 14.
Further, the first end of swing arm 3 is greater than the distance of the second end to the axle center of back shaft 15 of swing arm 3 to the distance in the axle center of back shaft 15.
Further, motor 9 includes a control end, and described control end is connected with a controller 25.Parameter display screen 24, control button 28, control button 26 and control button 27 is provided with in controller 25.
Further, base 11 is provided with power supply 21.
Concrete, base 11 is provided with containment vessel 20, power supply 21, motor 9 and reducing gear 16 are all positioned at containment vessel 20.
The operation principle of the present embodiment is: in tennis ball railings 1, place multiple tennis 19, and the tennis 19 in switch gate plate resistance backstop cage 1 falls.Start up and down after drive unit, the first end of swing arm 3 moves down, meanwhile, and the outlet of switch door-plate rotating opening tennis ball railings 1 lower end, when the first end of swing arm 3 moves down into lowermost end, the outlet of tennis ball railings 1 lower end is opened completely, and a tennis 19 is fallen in the track of swing arm 3, now, the first end of swing arm 3 moves up, meanwhile, switch door-plate starts the outlet of cutting out tennis ball railings 1 lower end, stops that next tennis 19 falls.The first end of swing arm 3 moves past in journey upper, tennis 19 orbital motion falling into track to swing arm 3 first end end outlet place and by baffle, drive unit drives swing arm 3 break-in up and down, and tennis 19 is upwards dished out under effect of inertia.Gag lever post 2 can make swing arm 3 first end on journey of dividing a word with a hyphen at the end of a line stop at once, increase initial velocity when tennis 19 is dished out.Swing arm 3 is absorbed by gag lever post 2, column 10 with the Impact energy of gag lever post 2.Regulated the running speed of the motor 9 in drive unit up and down by controller 25, the height that tennis 19 can be regulated to throw, adapts to different exercise objects.
Claims (10)
1. the ball-projecting device for tennis service action exercise, comprise a base, it is characterized in that: described base is fixedly installed a column, the upper end of described column is provided with a back shaft, the axis of described back shaft is vertical with the length direction of column, back shaft is provided with a swing arm, between back shaft and column, or between back shaft and swing arm, or back shaft and be provided with revolute pair between swing arm and column, swing arm includes a first end and second end, a track is provided with along its length in swing arm, described track is between the first end and the shaft core position of back shaft of swing arm, second end of swing arm is connected with a drive unit up and down, track is provided with a baffle plate at the end at the first end place of swing arm, the upper end of column is fixedly installed a gag lever post, one end of described gag lever post extends in the stroke of swing arm, base is connected with a tennis ball railings by connector, described tennis ball railings is funnel-form, the bottom of tennis ball railings is provided with an outlet, described outlet is positioned at the top of swing arm middle orbit, the lower end of outlet is provided with a switch door-plate, described switch door-plate is connected with a driving mechanism.
2. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, is characterized in that: the driving mechanism that switch door-plate connects is connected with described drive unit up and down.
3. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, it is characterized in that: swing arm is made up of a mobile jib and an extension rod, the length direction of described extension rod overlaps with the length direction of described mobile jib, the first end of swing arm is positioned at one end of extension rod, the other end of extension rod is connected with one end of mobile jib, and track lays respectively on mobile jib and extension rod.
4. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, is characterized in that: in a tubular form, described track is made up of the tube chamber of swing arm swing arm, and tube chamber is provided with outlet upwards at the first end of swing arm.
5. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, it is characterized in that: described drive unit up and down comprises a motor, described motor is fixedly installed on base, the output shaft of motor is connected with a crank by reducing gear, one end of second end of swing arm and a first connecting rod is hinged, the other end of described first connecting rod and one end of described crank hinged.
6. a kind of ball-projecting device for tennis service action exercise as claimed in claim 5, it is characterized in that: the side of described switch door-plate and the outlet at bottom of column or swing arm or tennis ball railings side walls hinged, switch door-plate is fixedly connected with a pull bar, one end of one end of described pull bar and a second connecting rod is hinged, the other end of described second connecting rod and one end of described crank hinged.
7. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, is characterized in that: the downside of base is provided with wheel, base is provided with hand push frame.
8. a kind of ball-projecting device for tennis service action exercise as claimed in claim 1, is characterized in that: the first end of swing arm is greater than the distance of the second end to the axle center of back shaft of swing arm to the distance in the axle center of back shaft.
9. a kind of ball-projecting device for tennis service action exercise as claimed in claim 5, it is characterized in that: motor includes a control end, described control end is connected with a controller.
10. a kind of ball-projecting device for tennis service action exercise as claimed in claim 5, is characterized in that: base is provided with power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084486.1A CN103801066B (en) | 2014-03-10 | 2014-03-10 | A kind of ball-projecting device for tennis service action exercise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084486.1A CN103801066B (en) | 2014-03-10 | 2014-03-10 | A kind of ball-projecting device for tennis service action exercise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103801066A CN103801066A (en) | 2014-05-21 |
| CN103801066B true CN103801066B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084486.1A Expired - Fee Related CN103801066B (en) | 2014-03-10 | 2014-03-10 | A kind of ball-projecting device for tennis service action exercise |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492064B (en) * | 2014-12-16 | 2017-11-10 | 福建省速卖通电子商务有限公司 | Shuttlecock playing image training robot |
| CN106422268B (en) * | 2016-11-22 | 2018-10-09 | 华南理工大学 | A kind of trigger mechanism of automatic sequence arrangement |
| CN107198870B (en) * | 2017-07-11 | 2022-05-03 | 中国人民大学附属中学 | Multi-functional ball training aid |
| CN108579051B (en) * | 2018-05-02 | 2020-05-08 | 陕西师范大学 | Tennis training device with rotatable tennis balls |
| CN109107133A (en) * | 2018-10-12 | 2019-01-01 | 温州职业技术学院 | A kind of tennis emitter |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344138A (en) * | 1990-11-15 | 1994-09-06 | Hellriegel Ernst W | Tennis training apparatus |
| JPH08141130A (en) * | 1994-11-22 | 1996-06-04 | Kinki Kuresuko:Kk | Pitching machine |
| JP2000245887A (en) * | 1999-02-26 | 2000-09-12 | Takamitsu Kanazawa | Throwing device for game and training system of fielding training of baseball utilizing the same |
| KR20100068030A (en) * | 2008-12-12 | 2010-06-22 | 나인석 | Pitching machine |
| CN203750152U (en) * | 2014-03-10 | 2014-08-06 | 上海体育学院 | Ball throwing device used for tennis ball serving action practice |
-
2014
- 2014-03-10 CN CN201410084486.1A patent/CN103801066B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5344138A (en) * | 1990-11-15 | 1994-09-06 | Hellriegel Ernst W | Tennis training apparatus |
| JPH08141130A (en) * | 1994-11-22 | 1996-06-04 | Kinki Kuresuko:Kk | Pitching machine |
| JP2000245887A (en) * | 1999-02-26 | 2000-09-12 | Takamitsu Kanazawa | Throwing device for game and training system of fielding training of baseball utilizing the same |
| KR20100068030A (en) * | 2008-12-12 | 2010-06-22 | 나인석 | Pitching machine |
| CN203750152U (en) * | 2014-03-10 | 2014-08-06 | 上海体育学院 | Ball throwing device used for tennis ball serving action practice |
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| Publication number | Publication date |
|---|---|
| CN103801066A (en) | 2014-05-21 |
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| CB03 | Change of inventor or designer information |
Inventor after: Yu Dali Inventor after: Hui Hanqing Inventor after: Yu Zhusheng Inventor after: Liu Yu Inventor after: Shi Fuying Inventor before: Yu Zhusheng Inventor before: Liu Yu Inventor before: Shi Fuying Inventor before: Yu Dali |
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Granted publication date: 20151216 Termination date: 20180310 |
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| CF01 | Termination of patent right due to non-payment of annual fee |