CN110898414A - Table tennis ball launching device - Google Patents
Table tennis ball launching device Download PDFInfo
- Publication number
- CN110898414A CN110898414A CN201911163651.1A CN201911163651A CN110898414A CN 110898414 A CN110898414 A CN 110898414A CN 201911163651 A CN201911163651 A CN 201911163651A CN 110898414 A CN110898414 A CN 110898414A
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- Prior art keywords
- ball
- dispenser
- ball dispenser
- switch
- table tennis
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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
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
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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
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/04—Table games physically beneficial for the human body, modelled on outdoor sports, e.g. table tennis
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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
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B69/409—Stationarily-arranged devices for projecting balls or other bodies with pneumatic ball- or body-propelling means
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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
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B2069/402—Stationarily-arranged devices for projecting balls or other bodies giving spin
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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
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/16—Table tennis
Abstract
The invention provides a table tennis launching device, which comprises a base station and a table tennis storage box, wherein a master controller, a fixed plate, a ball dispenser arranged on the fixed plate, a positioning plate and a ball dispensing channel are arranged in the base station, the ball dispenser comprises a ball striking rod, the ball dispenser comprises a first ball dispenser, a second ball dispenser and a third ball dispenser, the first ball dispenser, the second ball dispenser and the third ball dispenser are respectively and electrically connected with the master controller, the ball dispensing channel comprises a first ball dispensing channel, a second ball dispensing channel and a third ball dispensing channel, the table tennis launching device also comprises an accelerating device, the accelerating device comprises an air pump and a rotating pipe, the rotating pipe is arranged on the ball dispensing channel, outlets at two ends of the rotating pipe are respectively connected with the ball dispensing channels, the air pump is connected with the rotating pipe through an air pipe, the table tennis launching device has variable, flexible and various modes, and can train players through three different table tennis practice modes, the changeability and flexibility of the serve are ensured, and the strain and the reaction capability of the athletes can be well trained.
Description
Technical Field
The invention relates to the technical field of sports goods, in particular to a table tennis ball launching device.
Background
The table tennis is a national ball in China and is very popular in national sports, players can obtain scores of prouders in major competitions and ordinary training is not separated, the prior players basically practice the training by two persons mutually, but the strength of the two persons is different in the training process, so that the training effect required by the players cannot be achieved, the training time is negotiated by the two persons, and the players cannot practice at any time, so the table tennis ball dispenser is suitable for running.
Table tennis sportsman mainly trains the reaction ability of oneself through table tennis emitter, the ultrafast speed service through table tennis emitter reaches the effect that improves the reaction ability, but current table tennis service ware structure is complicated, and the service direction is single moreover, and the variability is not strong, can only launch comparatively quick straight ball, does not have any skill, comparatively slabby, can not satisfy the requirement of table tennis training completely, can not train table tennis sportsman's reaction ability and random strain capacity well.
Disclosure of Invention
The purpose of the invention is as follows: the invention aims to provide a table tennis ball launching device which is simple in structure, flexible and changeable, can select different practice modes according to different technologies of table tennis players, and trains the reaction capacity and the strain capacity of the table tennis players through flexible and changeable serving aiming at the defects in the prior art.
The technical scheme is as follows: in order to achieve the purpose, the invention provides a table tennis ball launching device, which comprises a base platform and a ball storage box, wherein the base platform is provided with a through hole, and the ball storage box is inserted into the through hole, and the table tennis ball launching device is characterized in that: the base station is internally provided with a master controller, a fixed plate, a ball dispenser arranged on the fixed plate, a positioning plate and a ball dispensing channel, the ball dispenser comprises a ball-hitting rod which is arranged in a telescopic ejection manner relative to the ball dispenser, the ball dispenser comprises a first ball dispenser, a second ball dispenser and a third ball dispenser, the first ball dispenser, the second ball dispenser and the third ball dispenser are respectively and electrically connected with the master controller, the ball dispensing channel comprises a first ball dispensing channel, a second ball dispensing channel and a third ball dispensing channel which are arranged corresponding to the first ball dispenser, the second ball dispenser and the third ball dispenser, the ball storage box is positioned between the ball dispenser and the ball dispensing channel, the ball storage box further comprises an accelerating device, the accelerating device comprises an air pump and a rotary pipe, the rotary pipe is arranged on the ball dispensing channel, and outlets at two ends of the rotary pipe are respectively connected with the ball dispensing channel, the air pump is connected with the rotary pipe through an air pipe.
As an improvement of the technical scheme, the air pipe is further connected with an air outlet pipe, the air outlet pipe is fixedly and obliquely arranged above the serving channel, and the air outlet pipe is positioned in the serving channel.
As an improvement of the technical scheme, the ball storage box comprises a box body and a ball outlet pipe, wherein the ball outlet pipe is provided with three ball hitting holes which are respectively arranged corresponding to the positions of ball hitting rods.
As an improvement of the technical scheme, the bottom of the ball outlet pipe is further provided with a ball clamping frame, the ball clamping frame comprises an arc-shaped clamping portion and a fixing rod used for connecting and fixing the clamping portion, and the fixing rod is fixed on the bottom surface of the ball outlet pipe.
As an improvement of the technical scheme, a limiting block is arranged at the contact part of the ball serving channel and the ball outlet pipe, the cross section of the limiting block is in a right-angle trapezoidal shape, and the limiting block is made of high-elasticity sponge materials.
As an improvement of the technical scheme, the ball dispenser comprises an ejector, the ejector is connected with a ball hitting rod, the ejector and the air pump are respectively connected with the control unit, the ejector comprises a fixed block, a spring rod, a spring sleeved on the spring rod and a connecting block, one end of the spring rod is fixed on the fixed block, the opposite end of the spring rod is sleeved with the connecting block, the connecting block is connected with the ball hitting rod, the ball hitting rod is of a hollow structure, and the spring rod is movably arranged in the hollow structure of the ball hitting rod.
As an improvement of the technical scheme, the master controller comprises an MCU and a control unit, the control unit is electrically connected with the ejection machine, a control switch is arranged in the control unit, and the control switch comprises a first ball dispenser switch, a second ball dispenser switch, a third ball dispenser switch and an air pump switch.
As an improvement of the technical scheme, the multifunctional electric vehicle further comprises a control panel and a storage battery pack, wherein the control panel is located on one side face of the base, the storage battery pack is connected with a master controller, a switch button and a mode selection button are arranged on the control panel, and the mode selection button comprises a common mode button, a difficult mode button and a professional mode button.
As an improvement of the technical scheme, when the mode selection button is a common mode button, the MCU controls a first ball dispenser switch to be turned on, an ejector in the first ball dispenser to dispense balls, the MCU controls a second ball dispenser switch and a third ball dispenser switch to be turned off, the ejector in the second ball dispenser and the ejector in the third ball dispenser are in a stop state, when the mode selection button is a difficult mode button, the MCU controls the first ball dispenser switch to be turned on, the ejector in the first ball dispenser to dispense balls, the MCU controls the second ball dispenser switch and the third ball dispenser switch to be turned off, the ejector in the second ball dispenser and the ejector in the third ball dispenser are in a stop state, the MCU controls the air pump switch to be turned on, when the mode selection button is a professional mode button, the MCU controls the first ball dispenser switch, the second ball dispenser switch and the third ball dispenser switch to be turned on, the ejection machines in the first ball dispenser, the second ball dispenser and the third ball dispenser are used for randomly dispensing balls, and the MCU is used for controlling the air pump switch to be turned on.
Has the advantages that: the invention enables the sportsman to select different practice modes according to the different techniques of the sportsman when performing the table tennis training, and the training is realized by a flexible and changeable service mode to improve the table tennis technique of the sportsman, the common mode is selected in the primary stage of the table tennis training, and the table tennis ball launching device launches the rotary ball at the moment, so that the table tennis ball is convenient for the table tennis beginner to practice and use, the difficult mode accelerates the table tennis ball entering the service channel again by air blowing of the air pump to launch the powerful rotary ball, the table tennis ball in the service channel is accelerated and rotated by the air pump and then sent out for the sportsman to practice, the reaction capability and the field strain capability of the sportsman can be greatly improved, the professional modes are the powerful rotary ball and the multi-channel uncertain service, the powerful rotary ball and the three service channels service, not only the nerve reaction speed and the field strain capability of the sportsman, the device can also exercise the ability of the sportsman for two purposes at one heart, and guess and prejudge the next serve of the serving channel in the process of catching the serve of the sportsman, so that the sportsman can exercise the mind of the sportsman by guessing the mind of the sportsman in competition, early prevention and global control.
Drawings
FIG. 1 is a schematic structural diagram of a table tennis ball launching device according to the present invention;
FIG. 2 is a schematic side view of a rotary tube according to the present invention;
fig. 3 is a schematic structural view of the ejection machine of the invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is a schematic view of the structure of the ball clamping frame according to the present invention;
fig. 6 is a schematic structural diagram of the present invention.
List of reference numerals: 1. a base station; 2. a master controller; 3. a ball storage box; 4. a fixing plate; 5. positioning a plate; 6. a ball dispenser; 7. a ball clamping frame; 8. a service passage; 9. rotating the tube; 10. an air pump; 11. hitting a ball arm; 12. a limiting block; 31. a box body; 32. a ball outlet pipe; 61. a first ball dispenser; 62. a second ball dispenser; 63. a third ball dispenser; 64. a fixed block; 65. a spring lever; 66. a spring; 67. connecting blocks; 71. fixing the rod; 72. a clamping portion; 101. and an air outlet pipe.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The table tennis ball launching device as shown in fig. 1-6 comprises a base 1 and a ball storage box 3, wherein a through hole is formed in the base 1, the ball storage box 3 is inserted into the through hole, a master controller 2, a fixing plate 4, a ball dispenser 6 mounted on the fixing plate 4, a positioning plate 5 and a ball serving channel 8 are arranged in the base 1, the ball dispenser 6 comprises a ball striking rod 11, the ball striking rod 11 is telescopically ejected relative to the ball dispenser 6, the ball dispenser 6 comprises a first ball dispenser 61, a second ball dispenser 62 and a third ball dispenser 63, the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63 are respectively electrically connected with the master controller 2, the ball serving channel 8 comprises a first ball serving channel 8, a second ball serving channel 8 and a third ball serving channel 8 which are arranged corresponding to the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63, store up ball box 3 and be located between service robot 6 and service passageway 8, still including accelerating device, accelerating device is including air pump 10 and swivel stack 9, swivel stack 9 is installed on service passageway 8, the both ends export of swivel stack 9 is connected respectively in service passageway 8, be connected through the trachea between air pump 10 and the swivel stack 9.
In the above structure: the invention provides a table tennis ball launching device, which comprises a base platform 1 and a ball storage box 3, wherein the ball storage box 3 is used for storing table tennis balls, a through hole is further formed in the base platform 1, the ball storage box 3 is inserted into the through hole, a master controller 2, a fixing plate 4, a ball dispenser 6, a positioning plate 5 and a service channel 8 are arranged in the base platform 1, a ball hitting rod 11 is connected onto the ball dispenser 6, the ball hitting rod 11 is used for hitting the table tennis balls to enable the table tennis balls to be launched from the ball storage box 3, the ball dispenser 6 comprises a first ball dispenser 61, a second ball dispenser 62 and a third ball dispenser 63, and further comprises a service channel 8 and an accelerating device, the service channel 8 is provided with three components which are respectively arranged corresponding to the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63, the ball hitting rod 11 on the ball dispenser 6 hits the table tennis balls from the ball storage box 3 to launch the table tennis balls into the corresponding service channel 8, an accelerating device is arranged in the ball serving channel 8, the accelerating device is an air pump 10 and a rotary tube 9 in a spiral structure, two ports of the rotary tube 9 are respectively connected to the ball serving channel 8, when a table tennis ball passes through the rotary tube 9, the table tennis ball is accelerated by the air pump 10 therein to increase kinetic energy, the table tennis ball can be enabled to have rotary force through the rotary tube 9 arranged in the spiral structure to be changed into a rotary ball, the master controller 2 can control the air pump 10 to be opened and closed, when the table tennis ball enters the ball serving channel 8, the table tennis ball entering the rotary tube 9 from the ball serving channel 8 can be secondarily accelerated by opening the air pump 10, because the rotary tube 9 is in the spiral structure, the table tennis ball after passing through the rotary tube 9 can also have rotary force, the table tennis ball launched through the ball serving channel 8 not only has larger force but also has rotary force, and can have reaction capacity and strain capacity of athletes better exercise, the master controller 2 can control the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63 to dispense balls respectively or simultaneously, so that a player cannot accurately judge a serving point when training, the training difficulty is increased, and the training efficiency of the player is improved.
In this embodiment: the air pipe is also connected with an air outlet pipe 101, the air outlet pipe 101 is fixedly and obliquely arranged above the ball serving channel 8, and the air outlet pipe 101 is positioned in the ball serving channel 8.
In the above structure: the air pipe is connected with the air pump 10 and the air outlet pipe 101, the air outlet of the air outlet pipe 101 is positioned in the ball serving channel 8, and the air outlet pipe 101 is obliquely arranged above the ball serving channel 8, so that the air pump 10 can blow air and accelerate through the air pipe and the air outlet pipe 101.
In this embodiment: the ball storage box 3 comprises a box body 31 and a ball outlet pipe 32, wherein the ball outlet pipe 32 is provided with three ball hitting holes which are respectively arranged corresponding to the positions of the ball hitting rods 11.
In the above structure: the ball storage box 3 is used for placing table tennis balls, the ball storage box 3 comprises a box body 31 and a ball outlet pipe 32, after the table tennis balls are placed in the box body 31, the table tennis balls can enter the ball outlet pipe 32, the table tennis balls are accumulated in the ball outlet pipe 32, the positions of the ball hitting rods 11 are at the three accumulated table tennis positions, when the ball hitting rods 11 hit one of the table tennis balls, the table tennis balls in the box body 31 can automatically fall and fill, and the table tennis balls can be ensured to exist at the positions of the ball hitting rods 11 all the time.
In this embodiment: the bottom of the ball outlet pipe 32 is further provided with a ball clamping frame 7, the ball clamping frame 7 comprises an arc-shaped clamping portion 72 and a fixing rod 71 used for connecting and fixing the clamping portion 72, and the fixing rod 71 is fixed on the bottom surface of the ball outlet pipe 32.
In the above structure: the bottom of the ball outlet pipe 32 is provided with a ball clamping frame 7 for fixing table tennis balls at the bottom, the ball clamping frame 7 comprises a clamping part 72 and a fixing rod 71, the fixing rod 71 is fixed at the bottom of the ball outlet pipe 32, the clamping part 72 is connected to the fixing rod 71, and the clamping part 72 is arc-shaped and is convenient for clamping the table tennis balls.
In this embodiment: the contact position of the ball serving channel 8 and the ball outlet pipe 32 is provided with a limiting block 12, the cross section of the limiting block 12 is in a right-angled trapezoid shape, and the limiting block 12 is made of high-elasticity sponge material.
In the above structure: the service channel 8 is respectively provided with two limit blocks 12, one limit block 12 is arranged above the service channel 8, the other limit block is arranged below the service channel 8, the cross section of the limit block is in a trapezoidal shape, when a table tennis is positioned in the service tube 32 and corresponds to the service channel 8, the table tennis is prevented from sliding into the service channel 8 when not being hit away by the hitting rod 11 in the service tube 32, and the limit blocks 12 are made of high-elasticity sponge materials and have certain elasticity, so that the table tennis can be prevented from being accumulated in the service tube 32 and not penetrating into the bottom of the service tube 32.
In this embodiment: the ball dispenser 6 comprises an ejector, the ejector is connected with a ball hitting rod 11, the ejector and the air pump 10 are respectively connected with a control unit, the ejector comprises a fixed block 64, a spring 66 rod 65, a spring 66 sleeved on the spring 66 rod 65 and a connecting block 67, one end of the spring 66 rod 65 is fixed on the fixed block 64, the opposite end is sleeved with the connecting block 67, the connecting block 67 is connected with the ball hitting rod 11, the ball hitting rod 11 is of a hollow structure, and the spring 66 rod 65 is movably arranged in the hollow structure of the ball hitting rod 11; the master controller 2 comprises an MCU and a control unit, the control unit is electrically connected with the catapult, a control switch is arranged in the control unit, and the control switch comprises a first ball dispenser switch, a second ball dispenser switch, a third ball dispenser switch and an air pump switch.
In the above structure: the master controller 2 comprises an MCU and a control unit, the ball serving device 6 comprises an ejector, the ejector is electrically connected with the control unit, the ejector is used for striking the ball hitting rod 11 to hit table tennis to achieve ball serving, the ejector comprises a fixed block 64, a spring 66 rod 65, a spring 66 sleeved on the spring 66 rod 65, a connecting block 67 and a motor, one end of the spring 66 rod 65 is fixed on the fixed block 64, the opposite end is connected with the connecting block 67, the connecting block 67 is pulled through the rotation of the motor, the connecting block 67 compresses the spring 66, the motor is reversely rotated when the ball is hit, the compressed spring 66 is released, and accordingly the ball hitting of the table tennis is achieved through the ball hitting rod 11, the control unit is internally provided with a control switch, and the control switch comprises a first ball serving device switch used for controlling the first ball serving device 61 to be started and closed and a second ball serving device switch used for controlling the second ball serving device 62 to be started and closed, A third ball dispenser switch for controlling the third ball dispenser 63 to be turned on and off, and an air pump switch for controlling the air pump 10 to be turned on and off.
In this embodiment: the control panel is positioned on one side surface of the base, the storage battery pack is connected with the master controller 2, a switch button and a mode selection button are arranged on the control panel, and the mode selection button comprises a common mode button, a difficult mode button and a professional mode button; when the mode selection button is a common mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejector in the first ball dispenser 61 serves balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejector in the second ball dispenser 62 and the ejector in the third ball dispenser 63 are in a stop state, when the mode selection button is a difficult mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejector in the first ball dispenser 61 serves balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejector in the second ball dispenser 62 and the ejector in the third ball dispenser 63 are in a stop state, the MCU controls the switch of the air pump to be turned on, when the mode selection button is a professional mode button, the MCU controls the switch of the first ball dispenser, the switch of the second ball dispenser and the switch of the third ball dispenser to be turned on, the first ball dispenser 61, the third ball dispenser 61, The ejectors in the second ball dispenser 62 and the third ball dispenser 63 dispense balls at random, and the MCU controls the switch of the air pump to be turned on.
In the above structure: the storage battery pack is used for supplying power to the master controller 2, the control panel is used for controlling the master controller 2 to execute instructions, the control panel is provided with a control switch for controlling the master controller 2 to be switched on and switched off and a mode selection button for mode selection, and the mode selection button comprises a common mode button, a difficult mode button and a professional mode button.
In the above structure: when the mode selection button is a common mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejectors in the first ball dispenser 61 dispense balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejectors in the second ball dispenser 62 and the third ball dispenser 63 are in a stop state, the MCU controls the ejectors in the first ball dispenser 61 to dispense balls, the ejectors in the second ball dispenser 62 and the third ball dispenser 63 do not dispense balls, the air pump 10 is also in a turn-off state, table tennis balls dispensed by the ejectors in the first ball dispenser 61 are dispensed after being rotated through the ball dispensing channel 8 and the rotating tube 9, and the dispensed table tennis balls are weak rotating balls.
In the above structure: when the mode selection button is a difficult mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejectors in the first ball dispenser 61 dispense balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejectors in the second ball dispenser 62 and the third ball dispenser 63 are in a stop state, the MCU controls the switch of the air pump to be turned on, at the moment, the MCU controls the ejectors in the first ball dispenser 61 to dispense balls, the ejectors in the second ball dispenser 62 and the third ball dispenser 63 do not dispense balls, the air pump 10 is in an on state, table tennis balls dispensed by the ejectors in the first ball dispenser 61 are dispensed after accelerated rotation through the air flow of the ball dispensing channel 8, the rotary pipe 9 and the air pump 10, and the dispensed table tennis balls are powerful rotary balls.
In the above structure: when the mode selection button is a professional mode button, the MCU controls the first ball dispenser switch, the second ball dispenser switch and the third ball dispenser switch to be turned on, ejectors in the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63 to dispense balls at random, the MCU controls the air pump switch to be turned on, at the moment, the MCU controls the first ball dispenser 61, the second ball dispenser 62 and the third ball dispenser 63 to dispense balls through the ejectors, the air pump 10 is in an on state, the dispensed table tennis balls are dispensed after accelerated rotation through the air flow of the ball dispensing channel 8, the rotary pipe 9 and the air pump 10, and the dispensed table tennis balls are randomly and powerfully rotated balls through the three ball dispensing channel 8.
The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.
Claims (9)
1. The utility model provides a table tennis emitter, includes base station (1) and stores up ball box (3), be provided with the through-hole on base station (1), store up ball box (3) and insert and establish in the through-hole, its characterized in that: the base station (1) is internally provided with a master controller (2), a fixing plate (4), a ball dispenser (6) arranged on the fixing plate (4), a positioning plate (5) and a ball dispensing channel (8), the ball dispenser (6) comprises a ball striking rod (11), the ball striking rod (11) is telescopically ejected relative to the ball dispenser (6), the ball dispenser (6) comprises a first ball dispenser (61), a second ball dispenser (62) and a third ball dispenser (63), the first ball dispenser (61), the second ball dispenser (62) and the third ball dispenser (63) are respectively electrically connected with the master controller (2), the ball dispensing channel (8) comprises a first ball dispensing channel (8), a second ball dispensing channel (8) and a third ball dispensing channel (8) which are correspondingly arranged with the first ball dispenser (61), the second ball dispenser (62) and the third ball dispenser (63), store up ball box (3) and be located between service ware (6) and service passageway (8), still including accelerating device, accelerating device is including air pump (10) and swivelling pipe (9), swivelling pipe (9) are installed on service passageway (8), the both ends export of swivelling pipe (9) is connected respectively in service passageway (8), be connected through the trachea between air pump (10) and swivelling pipe (9).
2. A table tennis ball launching device as defined in claim 1, wherein: still be connected with outlet duct (101) on the trachea, fixed slope setting in the top of service passageway (8) of outlet duct (101), outlet duct (101) are located service passageway (8).
3. A table tennis ball launching device as defined in claim 1, wherein: the ball storage box (3) comprises a box body (31) and a ball outlet pipe (32), wherein the ball outlet pipe (32) is provided with three ball hitting holes which are respectively arranged corresponding to the positions of the ball hitting rods (11).
4. A table tennis ball launching device as defined in claim 3, wherein: the bottom of the ball outlet pipe (32) is further provided with a ball clamping frame (7), the ball clamping frame (7) comprises an arc-shaped clamping portion (72) and a fixing rod (71) used for connecting and fixing the clamping portion (72), and the fixing rod (71) is fixed on the bottom surface of the ball outlet pipe (32).
5. A table tennis ball launching device as defined in claim 4, wherein: the ball serving channel (8) is provided with a limiting block (12) at the contact position with the ball outlet pipe (32), the cross section of the limiting block (12) is in a right-angle trapezoid shape, and the limiting block (12) is made of a high-elasticity sponge material.
6. A table tennis ball launching device as defined in claim 1, wherein: the ball dispenser (6) comprises an ejector, the ejector is connected with a ball hitting rod (11), the ejector and the air pump (10) are respectively connected with a control unit, the ejector comprises a fixed block (64), a spring (66) rod (65), a spring (66) sleeved on the spring (66) rod (65) and a connecting block (67), one end of the spring (66) rod (65) is fixed on the fixed block (64), the opposite end of the spring (66) rod is sleeved with the connecting block (67), the connecting block (67) is connected with the ball hitting rod (11), the ball hitting rod (11) is of a hollow structure, and the spring (66) rod (65) is movably arranged in the hollow structure of the ball hitting rod (11).
7. A table tennis ball launching device as defined in claim 6, wherein: the general controller (2) comprises an MCU and a control unit, the control unit is electrically connected with the catapult, a control switch is arranged in the control unit, and the control switch comprises a first ball dispenser switch, a second ball dispenser switch, a third ball dispenser switch and an air pump switch.
8. A table tennis ball launching device as defined in claim 1, wherein: the multifunctional electric vehicle is characterized by further comprising a control panel and a storage battery pack, wherein the control panel is located on one side face of the base, the storage battery pack is connected with the master controller (2), a switch button and a mode selection button are arranged on the control panel, and the mode selection button comprises a common mode button, a difficult mode button and a professional mode button.
9. A table tennis ball launching device according to claim 7 or 8, wherein: when the mode selection button is a common mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejector in the first ball dispenser (61) dispenses balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejector in the second ball dispenser (62) and the ejector in the third ball dispenser (63) are in a stop state, when the mode selection button is a difficult mode button, the MCU controls the switch of the first ball dispenser to be turned on, the ejector in the first ball dispenser (61) dispenses balls, the MCU controls the switch of the second ball dispenser and the switch of the third ball dispenser to be turned off, the ejector in the second ball dispenser (62) and the ejector in the third ball dispenser (63) are in a stop state, the MCU controls the switch of the air pump to be turned on, when the mode selection button is a professional mode button, the MCU controls the switch of the first ball dispenser, the switch of the second ball dispenser and the switch of the third ball dispenser to be turned on, the ejectors in the first ball dispenser (61), the second ball dispenser (62) and the third ball dispenser (63) dispense balls at random, and the MCU controls the air pump switch to be turned on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163651.1A CN110898414A (en) | 2019-11-25 | 2019-11-25 | Table tennis ball launching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911163651.1A CN110898414A (en) | 2019-11-25 | 2019-11-25 | Table tennis ball launching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110898414A true CN110898414A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911163651.1A Pending CN110898414A (en) | 2019-11-25 | 2019-11-25 | Table tennis ball launching device |
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| Country | Link |
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| CN (1) | CN110898414A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318415A (en) * | 2021-05-07 | 2021-08-31 | 广西科技大学 | Tennis auxiliary training teaching system |
| CN113617010A (en) * | 2021-06-07 | 2021-11-09 | 厦门焯柠贸易有限公司 | Volleyball serving machine with multiple serving modes and using method thereof |
-
2019
- 2019-11-25 CN CN201911163651.1A patent/CN110898414A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318415A (en) * | 2021-05-07 | 2021-08-31 | 广西科技大学 | Tennis auxiliary training teaching system |
| CN113617010A (en) * | 2021-06-07 | 2021-11-09 | 厦门焯柠贸易有限公司 | Volleyball serving machine with multiple serving modes and using method thereof |
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Application publication date: 20200324 |