CN109260688A - A kind of dedicated tennis promotion ball serving device of tennis training - Google Patents
A kind of dedicated tennis promotion ball serving device of tennis training Download PDFInfo
- Publication number
- CN109260688A CN109260688A CN201811282013.7A CN201811282013A CN109260688A CN 109260688 A CN109260688 A CN 109260688A CN 201811282013 A CN201811282013 A CN 201811282013A CN 109260688 A CN109260688 A CN 109260688A
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- Prior art keywords
- tennis
- fixed
- gear
- ball
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Classifications
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/38—Training appliances or apparatus for special sports for tennis
- A63B69/385—Training appliances or apparatus for special sports for tennis for practising the serve
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Tools (AREA)
Abstract
The present invention provides a kind of dedicated tennis promotion ball serving device of tennis training, is related to tennis training technical field.The dedicated tennis of the tennis training pushes ball serving device, including apparatus main body, the inside of described device main body is disposed with from top to bottom puts ball groove and service room, the bottom of described device main body is fixedly installed with firm banking, the firm banking is fixedly connected with universal wheel far from one end of apparatus main body bottom, and the side that ball groove is put at the top of described device main body and being located at offers pull rod slot.The dedicated tennis of the tennis training pushes ball serving device, pass through the second rotating circular disc, the second fixed cylinder, through slot, motion bar, fixed rotating shaft, the joint setting for agreeing with tooth, catch bar and fixed sliding mouth, make the device that can drive the second fixed cylinder rotation by the second rotating circular disc in pushing course, second fixed cylinder movement in through slot can be such that circular arc block swings, and move back and forth catch bar in fixed sliding mouth by the effect that tooth is agreed on catch bar surface.
Description
Technical field
The present invention relates to tennis training technical field, specially a kind of dedicated tennis of tennis training pushes ball serving device.
Background technique
In tennis training, ball is continuously fed by coach, it is most common in tennis training that sportsman, which continuously returns serve,
Method, this method not only consumes a large amount of physical strength of coach, but also can not also track to the motion profile of ball speed, ball, it is difficult to
The judgement of science is made to accuracy, the stability of service, tennis serve machine, can be continuous as a kind of Training Aids Facility
Ground steadily, is accurately served a ball to sportsman, with achieve the purpose that it is scientific, accurately train, the tennis serve machine of the prior art its
Principle of serving a ball is friction pulley service, and friction pulley service robot is reversely rotated the principle service that extrusion friction goes out ball using two-wheel, existed
The problem of be since service robot transmission device is complicated, and to serve a ball the swing in plateau levels direction and the elevation angle of vertical direction is not easy
Adjustment, while friction pulley continues working within service interval time, overall efficiency is low, and the service that rubs can wear tennis surface,
Prolonged use will cause the breakage on tennis surface, waste of resource, and the mouth of losing that existing ball serving device top is arranged easily is sent out
Raw blocking wastes the time of user once blocking needs artificial arrangement, existing ball serving device be not provided with it is mobile or
Fixed device, more troublesome in the process of moving, to this, we have proposed a kind of dedicated tennises of tennis training to push service dress
It sets to solve the above problems.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of dedicated tennises of tennis training to push ball serving device, solves
Abrasion, mouth of losing at the top of ball serving device is caused easily blocks for ball serving device friction service and ball serving device is mobile fixed is more troublesome
The problem of.
Technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of dedicated tennis promotion hair of tennis training
Ball device, including apparatus main body, the inside of described device main body is disposed with from top to bottom puts ball groove and service room, the dress
The bottom for setting main body is fixedly installed with firm banking, and the firm banking is fixedly connected with ten thousand far from one end of apparatus main body bottom
To wheel, the top of described device main body and it is located at and puts the side of ball groove and offer pull rod slot, the inside of the pull rod slot is placed with
Pull rod, the side of the pull rod slot inner wall offer pull rod sliding slot, the side of the pull rod bottom and are located at the interior of pull rod sliding slot
Portion is fixedly installed with pull rod sliding block, and the inner wall put at the top of ball groove offers rotation slot, and the inside of the rotation slot is by turning
Axis is rotatably connected to the first rotating circular disc, and first rotating circular disc is fixedly installed with first close to the side of rotation trench bottom and consolidates
Determine cylinder, motor, the one end of the motor far from service room bottom interior wall are fixedly installed on the inner wall of the service room bottom
It is fixedly connected with machine shaft, the machine shaft is fixedly connected with connection far from motor and positioned at the side of the first rotating circular disc
Bar, the both ends of the connecting rod are fixedly connected with rotation annulus, and fluctuation is fixedly connected at the center of the connecting rod, described
The pipeline of losing offered on the inner wall of ball groove bottom through apparatus main body is put, the pipeline of losing is solid far from the one end for putting ball groove
Surely it is connected with ball-falling-in port, the side of the ball-falling-in port is fixedly connected with ball mouth, and the service room is far from the inner wall of ball mouth
It is fixedly installed with the first fixed plate, the bottom of first fixed plate is fixedly installed with fixed sliding mouth, and the interior of mouth is slided in the fixation
Portion is placed with catch bar, on the inner wall of the service room and is located at below the first fixed plate and is fixedly installed with the second fixed plate,
The surface of the machine shaft and be located at motor side be fixedly installed with motor gear, the surface of the motor gear passes through chain
Item is connected with the first gear for being fixed on the second fixed plate side, the surface of the motor gear and is located at first gear
Side is connected with the second gear for being fixed on the second fixed plate side by chain, and the surface activity of the second gear connects
It is connected to the third gear for being fixed on the second fixed plate side, the inner wall of the service room bottom and the fixed peace in side for being located at motor
Equipped with fixed block, the surface of the first gear is connected with the disk teeth being fixedly connected at the top of fixed block by chain
Wheel, the carousel gear are fixedly connected with the second rotating circular disc far from one end of fixed block, and second rotating circular disc is far from circle
The side of disk gear is fixedly installed with the second fixed cylinder, and second rotating circular disc is placed with work far from the side of carousel gear
Lever, the inside of the motion bar offer the through slot comprising the second fixed cylinder, and the motion bar is far from the second fixed cylinder
One end be fixedly connected with circular arc block, the junction of the motion bar and circular arc block is fixedly connected on fixed block by fixed rotating shaft
Surface.
Further, the described first fixed cylinder has eight, and the first fixed cylinder is rounded is distributed in the first rotation circle
On disk.
Further, the rotation annulus is identical as the first rotating circular disc size, and rotates ring textures and offer 40
One end of five degree of notch, poke rod is located at one end of notch, and poke rod is vertical with connecting rod.
Further, the first gear, second gear are identical with third gear size, and first gear and second gear
It is sequentially connected by motor gear.
Further, there are two second rotating circular discs, and the second rotating circular disc is respectively distributed to the two sides of catch bar.
Further, the described second fixed cylinder is located at one end of through slot, and the length of through slot is in the second fixed cylinder
Twice to the second rotating circular disc center of circle length of the heart o'clock.
Further, the circular arc block is provided with far from a side surface of motion bar agrees with tooth, and circular arc block is far from motion bar
Surface agree with tooth and the tooth that agrees on catch bar surface mutually agrees with.
Further, the universal wheel and pull rod are in same vertical line, and universal wheel and pull rod are located at apparatus main body
Side.
Further, the surface of the machine shaft is disposed with connecting rod and motor gear from top to bottom.
Further, the pipeline opening diameter below the ball-falling-in port close to catch bar side is smaller than the diameter of tennis, and goes out
Ball mouth is oblique angle outlet.
Beneficial effect
Compare the prior art,
1, the dedicated tennis of the tennis training pushes ball serving device, passes through the second rotating circular disc, the second fixed cylinder, through slot, activity
Bar, fixed rotating shaft, the joint setting for agreeing with tooth, catch bar and fixed sliding mouth make the device can be by the in pushing course
Two rotating circular discs drive the second fixed cylinder rotation, and second fixed cylinder movement in through slot can be such that circular arc block swings, by pushing away
The effect that tooth is agreed on lever surface moves back and forth catch bar in fixed sliding mouth, and move angle difference catch bar is in fixed sliding mouth
The acceleration difference of internal slide provides power, reduces abrasion.
2, the dedicated tennis of the tennis training pushes ball serving device, by motor, machine shaft, motor gear, first gear,
The joint of second gear, third gear and connecting rod is arranged, and leads to the device in the way for driving catch bar work using motor
The transmission for crossing gear makes the two sides of catch bar have the power of a promotion, improves the performance of the device, and saved money
Source.
3, the dedicated tennis of the tennis training pushes ball serving device, passes through rotation annulus, poke rod, connecting rod, rotation slot, the
The joint setting of one rotating circular disc and the first fixed cylinder, making the device, motor drives rotating circular disc rotation, rotation at work
One circle of poke rod rotation inside disk stirs the first fixed cylinder and rotates a distance, carries out to make to put the tennis inside ball groove
It is mobile, avoid the blocking of tennis import.
4, the dedicated tennis of the tennis training pushes ball serving device, is set by combining for pipeline of losing, ball-falling-in port and ball mouth
Set, make the device ejection tennis way in tennis be arranged in pipeline of losing, catch bar ball-falling-in port by tennis continually
Slave ball mouth launch away, saved the time of dress ball, while tennis having been prevented to be stuck in exit.
5, the dedicated tennis of the tennis training pushes ball serving device, by pull rod, pull rod slot, pull rod sliding slot, firm banking and
The joint of universal wheel is arranged, and makes the device that can reach mobile by being used cooperatively for pull rod and universal wheel in mobile way
Effect, avoid the physical strength waste of carrying, make to be positioned only at side because of universal wheel in use, also can achieve fixed
Effect, it is easy to remove and fixed, a good training environment is provided for user.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is enlarged drawing at A of the present invention；
Fig. 3 is bottom view at catch bar of the present invention；
Fig. 4 is bottom view at the first rotating circular disc of the invention.
In figure: ball groove, 5 service rooms, 6 pull rod slot, 7 pull rods, 8 pull rods are put in 1 apparatus main body, 2 firm bankings, 3 universal wheels, 4
Sliding slot, 9 pull rod sliding blocks, 10 first rotating circular discs, 11 rotation slots, 12 first fixed cylinders, 13 rotation annulus, 14 connecting rods, 15
Poke rod, 16 machine shafts, 17 are lost pipeline, 18 ball-falling-in ports, 19 ball mouths, 20 first fixed plates, 21 second fixed plates, 22
One gear, 23 motor gears, 24 motors, 25 fixed blocks, 26 second gears, 27 third gears, 28 fixed sliding mouths, 29 catch bars,
30 agree with tooth, 31 second rotating circular discs, 32 second fixed cylinders, 33 through slots, 34 motion bars, 35 fixed rotating shafts, 36 circular arc blocks, 38
Carousel gear.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, the embodiment of the present invention provides a kind of dedicated tennis promotion ball serving device of tennis training, including device
Main body 1, the inside of apparatus main body 1 is disposed with from top to bottom puts ball groove 4 and service room 5, the fixed peace in the bottom of apparatus main body 1
Equipped with firm banking 2, firm banking 2 is fixedly connected with universal wheel 3, the top of apparatus main body 1 far from one end of 1 bottom of apparatus main body
Portion and it is located at and puts the side of ball groove 4 and offer pull rod slot 6, the inside of pull rod slot 6 is placed with pull rod 7, the side of 6 inner wall of pull rod slot
Offer pull rod sliding slot 8, ball is put in the side of 7 bottom of the pull rod and inside for being located at pull rod sliding slot 8 is fixedly installed with pull rod sliding block 9
The inner wall at 4 top of slot offers rotation slot 11, and universal wheel 3 and pull rod 7 are in same vertical line, and universal wheel 3 and 7, pull rod
In the side of apparatus main body 1, the inside of rotation slot 11 is rotatably connected to the first rotating circular disc 10, the first fixed cylinder by shaft
12 have eight, and first it is fixed cylinder 12 is rounded is distributed in the first rotating circular disc 10, the first rotating circular disc 10 is close to rotation
The side of 11 bottom of slot is fixedly installed with the first fixed cylinder 12, is fixedly installed with motor 24 on the inner wall for 5 bottom of room of serving a ball, electricity
Machine 24 is fixedly connected with machine shaft 16 far from one end of service 5 bottom interior wall of room, and machine shaft 16 is far from motor 24 and is located at
The side of first rotating circular disc 10 is fixedly connected with connecting rod 14, and the surface of machine shaft 10 is disposed with connection from top to bottom
Bar 14 and motor gear 23, the both ends of connecting rod 14 are fixedly connected with rotation annulus 13, are fixedly connected at the center of connecting rod 14
There is fluctuation 15, rotation annulus 13 is identical as 10 size of the first rotating circular disc, and rotates 13 surface of annulus and offer 45 degree
Notch, one end of poke rod 15 is located at one end of notch, and poke rod 15 is vertical with connecting rod 14, puts the interior of 4 bottom of ball groove
The pipeline 17 of losing through apparatus main body 1 is offered on wall, pipeline 17 of losing is fixedly connected with falling sphere far from the one end for putting ball groove 4
Mouth 18, the side of ball-falling-in port 18 are fixedly connected with ball mouth 19, and pipeline opening of 18 lower section of ball-falling-in port close to 29 side of catch bar is straight
Diameter is smaller than the diameter of tennis, and ball mouth 19 is to be fixedly installed with the on oblique angle outlet service inner wall of the room 5 far from ball mouth 19
One fixed plate 20, the bottom of the first fixed plate 20 are fixedly installed with fixed sliding mouth 28, and the inside of fixed sliding mouth 28 is placed with promotion
Bar 29, serves a ball on the inner wall of room 5 and the lower section for being located at the first fixed plate 20 is fixedly installed with the second fixed plate 21, machine shaft 16
Surface and be located at the side of motor 24 and be fixedly installed with motor gear 23, the surface of motor gear 23 passes through chain flexible connection
There is a first gear 22 for being fixed on 21 side of the second fixed plate, the surface of the motor gear 23 and side for being located at first gear 22 is logical
It crosses chain and is connected with the second gear 26 for being fixed on 21 side of the second fixed plate, first gear 22, second gear 26 and
Three gears, 27 size is identical, and first gear 22 and second gear 26 are sequentially connected by motor gear 23, the table of second gear 26
Face is connected with the third gear 27 for being fixed on 21 side of the second fixed plate, the inner wall for 5 bottom of room of serving a ball and is located at motor 24
Side be fixedly installed with fixed block 25, the surface of first gear 22 is connected with by chain is fixedly connected on fixed block 25
The carousel gear 28 at top, carousel gear 28 are fixedly connected with the second rotating circular disc 31 far from one end of fixed block 25, and second turn
Dynamic disk 31 is fixedly installed with the second fixed cylinder 32 far from the side of carousel gear 38, and there are two the second rotating circular discs 31, and
Second rotating circular disc 31 is respectively distributed to the two sides of catch bar 29, and the second rotating circular disc 31 is placed far from the side of carousel gear 38
There is motion bar 34, the inside of motion bar 34 offers the through slot 33 comprising the second fixed cylinder 32, and the second fixed cylinder 32 is located at
One end of through slot 33, and the length of through slot 33 is the second fixed 32 central point of cylinder to the two of 31 center of circle length of the second rotating circular disc
Times, motion bar 34 is fixedly connected with circular arc block 36 far from one end of the second fixed cylinder 32, and circular arc block 36 is far from motion bar 34
One side surface, which is provided with, agrees with tooth, circular arc block 36 far from 34 surface of motion bar agree with tooth and 29 surface of catch bar agree with tooth phase
Agree with, the junction of motion bar 34 and circular arc block 36 is fixedly connected on the surface of fixed block 25 by fixed rotating shaft 35.
Working principle: opening motor 24 when use, motor 24 drives the rotation of machine shaft 16 and motor gear 23, connection
Rotation annulus 13 outside bar 14 starts to stir the rotation of the first rotating circular disc 10, puts the tennis inside ball groove 4 and passes through pipeline of losing
17 enter ball-falling-in port 18, and simultaneously the second rotating circular disc 31 rotates, and drive the second fixed cylinder 32 to move in through slot 33, lead to
Crossing transmission pushes catch bar 29 to side rapidly in fixed sliding mouth 28, and tennis is pushed to be projected by ball mouth 19, and then second
The fixed continuation of cylinder 32 rotates in the second rotating circular disc 31, and catch bar 29 moves back tennis and fallen by ball-falling-in port 18, waits next
Secondary promotion.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of dedicated tennis of tennis training pushes ball serving device, including apparatus main body (1), it is characterised in that: described device master
The inside of body (1) is disposed with from top to bottom puts ball groove (4) and service room (5), the fixed peace in the bottom of described device main body (1)
Equipped with firm banking (2), the firm banking (2) is fixedly connected with universal wheel (3) far from one end of apparatus main body (1) bottom,
The top of described device main body (1) and it is located at and puts the side of ball groove (4) and offer pull rod slot (6), the inside of the pull rod slot (6)
It is placed with pull rod (7), the side of pull rod slot (6) inner wall offers pull rod sliding slot (8), the side of pull rod (7) bottom
And the inside for being located at pull rod sliding slot (8) is fixedly installed with pull rod sliding block (9), the inner wall put at the top of ball groove (4), which offers, to be turned
Dynamic slot (11), the inside of the rotation slot (11) are rotatably connected to the first rotating circular disc (10) by shaft, first rotation
Disk (10) is fixedly installed with first fixed cylinder (12), service room (5) bottom close to the side of rotation slot (11) bottom
Inner wall on be fixedly installed with motor (24), the motor (24) far from service room (5) bottom interior wall one end be fixedly connected with
Machine shaft (16), the machine shaft (16) are fixedly connected far from motor (24) and positioned at the side of the first rotating circular disc (10)
Have connecting rod (14), the both ends of the connecting rod (14) are fixedly connected with rotation annulus (13), the center of the connecting rod (14)
Place is fixedly connected with fluctuation (15), and the pipe of losing through apparatus main body (1) is offered on the inner wall for putting ball groove (4) bottom
Road (17), the pipeline of losing (17) are fixedly connected with ball-falling-in port (18) far from the one end for putting ball groove (4), the ball-falling-in port (18)
Side be fixedly connected with ball mouth (19), it is described service room (5) far from ball mouth (19) inner wall on be fixedly installed with first
Fixed plate (20), the bottom of first fixed plate (20) are fixedly installed with fixed sliding mouth (28), fixed sliding mouth (28)
Inside is placed with catch bar (29), is fixedly mounted on the inner wall of service room (5) and positioned at the lower section of the first fixed plate (20)
Have the second fixed plate (21), the surface of the machine shaft (16) and be located at motor (24) side be fixedly installed with motor gear
(23), the surface of the motor gear (23) is connected with the first tooth for being fixed on the second fixed plate (21) side by chain
Wheel (22), the surface of the motor gear (23) and the side for being located at first gear (22) are connected with by chain to be fixed on
The second gear (26) of the second fixed plate (21) side, the surface activity of the second gear (26) are connected with that be fixed on second solid
The third gear (27) of fixed board (21) side, the inner wall of described service room (5) bottom and the fixed peace in side for being located at motor (24)
Equipped with fixed block (25), the surface of the first gear (22) is connected with by chain is fixedly connected on fixed block (25) top
The carousel gear (28) in portion, the carousel gear (28) are fixedly connected with the second rotating circular disc far from the one end of fixed block (25)
(31), second rotating circular disc (31) is fixedly installed with second fixed cylinder (32), institute far from the side of carousel gear (38)
It states the second rotating circular disc (31) to be placed with motion bar (34) far from the side of carousel gear (38), the inside of the motion bar (34)
Offer the through slot (33) comprising second fixed cylinder (32), the one end of the motion bar (34) far from second fixed cylinder (32)
It is fixedly connected with circular arc block (36), the junction of the motion bar (34) and circular arc block (36) connects by the way that fixed rotating shaft (35) are fixed
Connect the surface in fixed block (25).
2. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described first
Fixed cylinder (12) have eight, and first fixed cylinder (12) are rounded is distributed on the first rotating circular disc (10).
3. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: the rotation
Annulus (13) is identical as the first rotating circular disc (10) size, and rotates the notch that annulus (13) surface offers 45 degree, dials
One end of lever (15) is located at one end of notch, and poke rod (15) is vertical with connecting rod (14).
4. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described first
Gear (22), second gear (26) are identical with third gear (27) size, and first gear (22) and second gear (26) are by electricity
Machine gear (23) transmission connection.
5. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described second
There are two rotating circular discs (31), and the second rotating circular disc (31) is respectively distributed to the two sides of catch bar (29).
6. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described second
Fixed cylinder (32) are located at one end of through slot (33), and the length of through slot (33) is the second fixed cylinder (32) central point to second
Twice of rotating circular disc (31) center of circle length.
7. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: the circular arc
Block (36) is provided with far from a side surface of motion bar (34) agrees with tooth, and circular arc block (36) agrees with far from motion bar (34) surface
Tooth and the tooth that agrees on catch bar (29) surface mutually agree with.
8. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described universal
Wheel (3) and pull rod (7) are in same vertical line, and universal wheel (3) and pull rod (7) are located at the side of apparatus main body (1).
9. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: the motor
The surface of shaft (10) is disposed with connecting rod (14) and motor gear (23) from top to bottom.
10. the dedicated tennis of a kind of tennis training according to claim 1 pushes ball serving device, it is characterised in that: described to fall
Pipeline opening diameter below ball mouth (18) close to catch bar (29) side is smaller than the diameter of tennis, and ball mouth (19) goes out for oblique angle
Mouthful.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282013.7A CN109260688B (en) | 2018-10-31 | 2018-10-31 | Special tennis of tennis training promotes service device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811282013.7A CN109260688B (en) | 2018-10-31 | 2018-10-31 | Special tennis of tennis training promotes service device |
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| Publication Number | Publication Date |
|---|---|
| CN109260688A true CN109260688A (en) | 2019-01-25 |
| CN109260688B CN109260688B (en) | 2020-06-23 |
Family
ID=65191676
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811282013.7A Active CN109260688B (en) | 2018-10-31 | 2018-10-31 | Special tennis of tennis training promotes service device |
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| CN (1) | CN109260688B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2639555A1 (en) * | 1988-11-30 | 1990-06-01 | Coupiac Andre | Device for covering over a specific surface, for example a tennis court or another game or sport surface |
| CN2889403Y (en) * | 2006-04-17 | 2007-04-18 | 辽宁师范大学 | Tennis serving machine for exercising |
| CN202438116U (en) * | 2012-01-20 | 2012-09-19 | 王立学 | Tennis ball pitching machine |
| CN204522210U (en) * | 2015-02-03 | 2015-08-05 | 刘晓安 | A kind of automatic pitching machine |
| CN204864843U (en) * | 2015-08-04 | 2015-12-16 | 翟连林 | Automatic ball dispenser of portable tennis |
| CN106310635A (en) * | 2016-10-31 | 2017-01-11 | 林少明 | Air-compression type tennis ball serving machine with high initial velocity |
| CN207769134U (en) * | 2018-01-15 | 2018-08-28 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | A kind of shuttlecock training board |
| CN108553864A (en) * | 2018-03-09 | 2018-09-21 | 南安市创培电子科技有限公司 | A kind of basketball shooting training basketball apparatus for placing |
-
2018
- 2018-10-31 CN CN201811282013.7A patent/CN109260688B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2639555A1 (en) * | 1988-11-30 | 1990-06-01 | Coupiac Andre | Device for covering over a specific surface, for example a tennis court or another game or sport surface |
| CN2889403Y (en) * | 2006-04-17 | 2007-04-18 | 辽宁师范大学 | Tennis serving machine for exercising |
| CN202438116U (en) * | 2012-01-20 | 2012-09-19 | 王立学 | Tennis ball pitching machine |
| CN204522210U (en) * | 2015-02-03 | 2015-08-05 | 刘晓安 | A kind of automatic pitching machine |
| CN204864843U (en) * | 2015-08-04 | 2015-12-16 | 翟连林 | Automatic ball dispenser of portable tennis |
| CN106310635A (en) * | 2016-10-31 | 2017-01-11 | 林少明 | Air-compression type tennis ball serving machine with high initial velocity |
| CN207769134U (en) * | 2018-01-15 | 2018-08-28 | 甘肃机电职业技术学院（甘肃省机械工业学校、甘肃省机械高级技工学校） | A kind of shuttlecock training board |
| CN108553864A (en) * | 2018-03-09 | 2018-09-21 | 南安市创培电子科技有限公司 | A kind of basketball shooting training basketball apparatus for placing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109260688B (en) | 2020-06-23 |
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