CN210355949U - Tennis serving trolley - Google Patents

Tennis serving trolley Download PDF

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Publication number
CN210355949U
CN210355949U CN201920938241.9U CN201920938241U CN210355949U CN 210355949 U CN210355949 U CN 210355949U CN 201920938241 U CN201920938241 U CN 201920938241U CN 210355949 U CN210355949 U CN 210355949U
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ball
tennis
motor
fixed
service
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CN201920938241.9U
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Inventor
戴本尧
杨俊彦
张文远
陈佳佳
李岸禧
王玲
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Zhejiang Industry and Trade Vocational College
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Zhejiang Industry and Trade Vocational College
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Abstract

The utility model discloses a tennis service cart, include: a handlebar assembly; a frame; the bottom plate is provided with a ball leakage hole; sorting the boxes; a sorting motor; the rotary table is fixed with a rotating shaft of the sorting motor, a plurality of sorting holes distributed according to the circumference are formed in the rotary table, when tennis balls fall into the sorting holes in the sorting box, the tennis balls can rotate along with the rotary table, and when the tennis balls rotate to the ball leaking holes, the tennis balls can fall from the ball leaking holes; the pitching plate is provided with an upper motor; a lower motor; a ball serving wheel is arranged; a ball distributing wheel is issued; the tennis balls falling from the ball leaking holes can only enter the space between the upper service wheel and the lower service wheel along the channel between the clamping plate and the upper service wheel, and are pressed by the upper service wheel and the lower service wheel which rotate in opposite directions to be ejected along the tangential direction, so that the service is finished; a controller which controls each electrical component; the utility model has the advantages of reasonable structure, integrated ball picking and serving function and strong serving function.

Description

Tennis serving trolley
Technical Field
The utility model relates to a tennis serving trolley.
Background
The tennis ball serving vehicle has the advantages that more and more amateurs have tennis activities, the tennis ball playing amount is very large, a large amount of physical strength is consumed for serving, receiving and picking up the tennis balls, the tennis ball serving vehicle is very inconvenient for single entertainment and training, and if the tennis ball serving vehicle is provided, the tennis ball serving vehicle can serve and pick up the tennis balls automatically, so that great convenience and enjoyment can be brought to the amateurs.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tennis serving vehicle which can pick up and serve tennis balls to bring great convenience and fun for single entertainment and training.
The technical scheme of the utility model is that:
a tennis serving cart comprising:
the bicycle handle assembly is provided with a handle, a front wheel, a speed change switch and a brake device, and the front wheel is driven by a bicycle motor;
the frame is rotatably connected with the handlebar assembly, at least 2 wheels are arranged on the frame, and a rechargeable battery is also arranged on the frame;
it is characterized by also comprising a tennis ball sorting component and a serve component, wherein,
tennis ball sorting assembly comprising:
the bottom plate is fixed with the frame and is provided with a ball leakage hole;
the sorting box body is fixed with the bottom plate, and the bottom of the sorting box body is provided with a turntable hole;
the sorting motor is fixed on the bottom plate through a shell;
the rotary table is fixed with a rotating shaft of the sorting motor, the rotary table is positioned below a rotary table hole of the sorting box body, a plurality of sorting holes distributed according to the circumference are formed in the rotary table, when tennis balls fall into the sorting holes, the tennis balls can rotate along with the rotary table, and when the tennis balls rotate to the ball leaking holes, the tennis balls can fall from the ball leaking holes;
a ball serving assembly comprising:
the service plate is fixed with the bottom plate;
the shell of the upper motor is fixed on the pitching plate;
the shell of the lower motor is fixed on the pitching plate and is positioned below the upper motor;
the upper ball serving wheel is fixed with a rotating shaft of the upper motor, and the circumferential surface of the upper ball serving wheel is provided with an upper concave surface;
the lower ball-distributing wheel is fixed with the rotating shaft of the lower motor, the circumferential surface of the lower motor is provided with a lower concave surface, and the lower ball-distributing wheel is positioned below the upper ball-distributing wheel;
the clamping plate is arc-shaped, is fixed on the service plate and is concentrically arranged with the upper service wheel, the upper end of the clamping plate is close to the bottom plate, the lower end of the clamping plate is close to the lower service wheel, and tennis falling from the ball leaking hole can only enter a space between the upper service wheel and the lower service wheel along a channel between the clamping plate and the upper service wheel and is pressed by the upper service wheel and the lower service wheel which rotate in opposite directions to be ejected along the tangential direction, so that the service is finished;
and the controller is electrically connected with the vehicle motor, the upper motor, the lower motor, the sorting motor, the speed change switch and an electric control component in the brake device, and the rechargeable battery supplies power to the controller.
It should be noted that the handlebar assembly is the same as the structure of the front-drive electric bicycle in the prior art.
In order to control the serve in the left and right direction, the utility model also comprises:
the lower part of the vertical rod is fixed with the pitching plate, and the top part of the vertical rod is rotatably connected with the bottom plate;
the shell of the left-right swinging motor is fixed with the bottom plate, and the left-right swinging motor is electrically connected with the controller;
one end of the left and right eccentric rods is fixed with a rotating shaft of the left and right swinging motors;
one end of the left connecting rod and the right connecting rod is hinged with the service plate, and the other end of the left connecting rod and the right connecting rod is hinged with the other end of the left eccentric rod and the right eccentric rod;
the controller can control the left-right swinging motor to rotate forwards or reversely by an angle, the tennis serving plate can rotate leftwards or rightwards by an angle, and the tennis can be shot out by deviating from the angle leftwards or rightwards.
It should be noted that the serving board needs to be rotated a reasonable angle to the left or right, otherwise, the tennis ball cannot enter the channel between the holding board and the upper serving wheel.
Preferably, the tennis ball deviates to the left or right by an angle of 15 degrees or less.
In order to control the serving in the up-and-down direction, the serving plate consists of an upper serving plate and a lower serving plate, the upper serving plate is fixed with the vertical rod and hinged with the left connecting rod and the right connecting rod, the lower serving plate is rotatably connected and fixed with the vertical rod, and the clamping plate, the upper motor and the lower motor are fixed with the lower serving plate;
further comprising:
the shell of the up-and-down swinging motor is fixed with the serving upper plate, and the up-and-down swinging motor is electrically connected with the controller;
one end of the upper eccentric rod and the lower eccentric rod is fixed with a rotating shaft of the upper swing motor and the lower swing motor;
one end of the upper connecting rod and the lower connecting rod is hinged with the lower serving plate, and the other end of the upper connecting rod and the lower connecting rod is hinged with the other end of the upper eccentric rod and the lower eccentric rod;
the controller can control the up-down swinging motor to rotate forwards or backwards by an angle, the lower serving plate can rotate upwards or downwards by an angle, and tennis balls can deviate upwards or downwards by an angle to be served and shot.
It should be noted that the lower serving plate needs to be rotated up or down by a reasonable angle.
Preferably, the tennis ball is shot upwardly or downwardly at an angle of 15 degrees or less from the serving direction.
In order to conveniently pick up balls, the ball picking machine also comprises a ball picking cylinder which is provided with:
two disk surfaces are provided;
the two ends of the central shaft are respectively fixed with the two disc surfaces, and the central shaft can be rotatably and detachably arranged at the tail part of the frame;
the tennis ball picking cylinder can rotate close to the ground when the serving trolley moves, and the tennis ball penetrates into the tennis ball picking cylinder from a gap between the hard rods.
The disc surface is provided with a plurality of ball discharging outlets, and the tennis balls can be poured out through the ball discharging outlets.
The center of the turntable is provided with a conical body which can prevent the tennis ball from being retained at the center of the turntable.
The bottom of the sorting box body is fixedly provided with a ball pressing sheet which is positioned right above the ball leaking hole and close to the turntable, and tennis balls entering the ball leaking hole from the sorting hole of the turntable can be pressed by the ball pressing sheet and cannot rebound upwards from the sorting hole.
In order to realize the automatic serve, the controller is provided with a plurality of switch keys and a state display device and is controlled by a PLC, the left or right, upward or downward angle of the tennis can be set by operating the switch keys, and the number of the serve tennis, the flying speed of the tennis and the serving number in unit time are set.
The utility model has the advantages of reasonable structure, integrated ball picking and serving function and strong serving function.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural diagram of the upper serving plate and the lower serving plate of the present invention.
Fig. 3 is a schematic structural diagram related to the clamping plate of the present invention.
Fig. 4 is a schematic view of the structure of the lower pitching wheel and the upper pitching wheel of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings:
as shown, a tennis serving cart comprises:
the bicycle handle assembly 1 is provided with a handle, a front wheel, a speed change switch and a brake device, wherein the front wheel is driven by a bicycle motor;
the frame 2 is rotatably connected with the handlebar assembly 1, at least 2 wheels are arranged on the frame 2, and a rechargeable battery is also arranged on the frame 2;
also comprises a tennis ball sorting component and a serve component, wherein,
tennis ball sorting assembly comprising:
the bottom plate 30 is fixed with the frame 2, and a ball leakage hole 301 is formed in the bottom plate 30;
the sorting box body 31 is fixed with the bottom plate 30, and the bottom of the sorting box body 31 is provided with a turntable hole;
a sorting motor 33, the housing of which is fixed on the bottom plate 30;
the rotary table 32 is fixed with a rotating shaft of the sorting motor 33, the rotary table 32 is positioned below a rotary table hole of the sorting box body 31, a plurality of sorting holes 321 distributed circumferentially are formed in the rotary table 32, when the tennis balls 4 fall into the sorting holes 321, the tennis balls 4 can rotate along with the rotary table 32, and when the tennis balls 4 rotate to the ball leaking holes 301, the tennis balls can fall from the ball leaking holes 301;
a ball serving assembly comprising:
a service plate fixed to the base plate 30;
an upper motor 51, a housing of which is fixed to the service plate;
a lower motor, the housing of which is fixed on the service plate and is positioned below the upper motor 51;
an upper service wheel 52 fixed with the rotating shaft of the upper motor 51, wherein the circumferential surface of the upper service wheel 52 is provided with an upper concave surface 521;
the lower ball-sending wheel 53 is fixed with the rotating shaft of the lower motor, the circumferential surface of the lower motor is provided with a lower concave surface 531, and the lower ball-sending wheel 53 is positioned below the upper ball-sending wheel 52;
the clamping plate 54 is in an arc shape, is fixed on the service plate and is arranged concentrically with the upper service wheel 52, the upper end of the clamping plate 54 is close to the bottom plate 30, the lower end of the clamping plate 54 is close to the lower service wheel 53, tennis balls 4 falling from the ball leaking hole 301 can only enter the space between the upper service wheel 52 and the lower service wheel 53 along a channel between the clamping plate 54 and the upper service wheel 52, and are pressed by the upper service wheel 52 and the lower service wheel 53 which rotate in the opposite directions and are ejected along the tangential direction, so that the service is finished;
and the controller is electrically connected with the vehicle motor, the upper motor 51, the lower motor, the sorting motor 33, the speed change switch and an electric control component in the brake device, and the rechargeable battery supplies power to the controller.
Further comprising:
a vertical rod 61, the lower part of which is fixed with the pitching plate and the top part of which is rotatably connected with the bottom plate 30;
a left-right swinging motor 64, the shell of which is fixed with the bottom plate 30, and the left-right swinging motor 64 is electrically connected with the controller;
a left and right eccentric rod 63, one end of which is fixed with the rotating shaft of the left and right swing motor 64;
a left and right connecting rod 62, one end of which is hinged with the service plate and the other end of which is hinged with the other end of the left and right eccentric rod 63;
the controller can control the left-right swinging motor 64 to rotate forwards or backwards for an angle, the service plate can rotate leftwards or rightwards for an angle, and the tennis ball 4 can deviate from the left or right for an angle to serve and be shot.
The tennis ball 4 deviates to the left or right by an angle of 15 degrees or less.
The service plate consists of a service upper plate 56 and a service lower plate 55, the service upper plate 56 is fixed with the vertical rod 61 and hinged with the left connecting rod 62 and the right connecting rod 62, the service lower plate 55 is rotatably connected and fixed with the vertical rod 61, and the clamping plate 54, the upper motor 51 and the lower motor are fixed with the service lower plate 55;
further comprising:
the shell of the up-and-down swinging motor 59 is fixed with the upper ball serving plate 56, and the up-and-down swinging motor 59 is electrically connected with the controller;
an upper and lower eccentric rod 58, one end of which is fixed to the rotating shaft of the up-down swing motor 59;
an upper and lower connecting rod 57, one end of which is hinged to the lower service plate 55 and the other end of which is hinged to the other end of the upper and lower eccentric rods 58;
the controller can control the up-down swinging motor 59 to rotate forwards or backwards for an angle, the serve lower plate 55 can rotate upwards or downwards for an angle, and the tennis ball 4 can deviate upwards or downwards for an angle to serve.
The tennis ball 4 is shot upward or downward at an angle of 15 degrees or less from the serving direction.
Still including picking up the ball drum, it is provided with:
two disk surfaces 71 are provided;
a central shaft 73, both ends of which are respectively fixed with the two disc surfaces 71, wherein the central shaft 73 can be rotatably and detachably arranged at the tail part of the frame 2;
the hard rods 72 are provided with a plurality of hard rods, two ends of each hard rod are respectively fixed with the two disc surfaces 71, the distance between every two adjacent hard rods 72 is smaller than the diameter of the tennis ball 4, the ball picking cylinder can rotate close to the ground when the service cart moves, and the tennis ball 4 penetrates into the ball picking cylinder from a gap between the hard rods 72.
The disc surface 71 is opened with a plurality of ball discharge ports 711, and the ball discharge ports 711 can discharge tennis balls 4.
The center of the turntable 32 is provided with a conical body 322, and the conical body 322 can prevent tennis balls 4 from being retained in the center of the turntable 32.
The bottom of the sorting box 31 is fixed with a ball pressing sheet 311, the ball pressing sheet 311 is positioned right above the ball leaking hole 301 and close to the turntable 32, the tennis ball 4 entering the ball leaking hole 301 from the sorting hole 321 of the turntable 32 can be pressed by the ball pressing sheet 311 and can not rebound upwards from the sorting hole 321.
The controller is provided with a plurality of switch keys and a state display device and is controlled by a PLC, angles of tennis balls 4 towards left or right, upwards or downwards can be set by operating the switch keys, and the number of tennis balls 4, the flying speed of the tennis balls and the number of serve balls in unit time are set.

Claims (10)

1. A tennis serving cart comprising:
the bicycle handle assembly (1) is provided with a handle, a front wheel, a speed change switch and a brake device, wherein the front wheel is driven by a bicycle motor;
the bicycle frame (2) is rotatably connected with the handlebar assembly (1), at least 2 wheels are arranged on the bicycle frame (2), and a rechargeable battery is also arranged on the bicycle frame (2);
it is characterized by also comprising a tennis ball sorting component and a serve component, wherein,
tennis ball sorting assembly comprising:
the bottom plate (30) is fixed with the frame (2), and the bottom plate (30) is provided with a ball leakage hole (301);
the sorting box body (31) is fixed with the bottom plate (30), and a turntable hole is formed in the bottom of the sorting box body (31);
a sorting motor (33) with a housing fixed on the bottom plate (30);
the rotary table (32) is fixed with a rotating shaft of the sorting motor (33), the rotary table (32) is positioned below a rotary table hole of the sorting box body (31), the rotary table (32) is provided with a plurality of sorting holes (321) distributed according to the circumference, when tennis balls (4) fall into the sorting holes (321), the tennis balls (4) can rotate along with the rotary table (32), and when the tennis balls (4) rotate to the ball leaking holes (301), the tennis balls can fall from the ball leaking holes (301);
a ball serving assembly comprising:
a service plate fixed to the bottom plate (30);
an upper motor (51) having a housing fixed to the service plate;
a lower motor, the shell of which is fixed on the service plate and is positioned below the upper motor (51);
the upper service wheel (52) is fixed with the rotating shaft of the upper motor (51), and the circumferential surface of the upper service wheel (52) is provided with an upper concave surface (521);
the lower ball-sending wheel (53) is fixed with the rotating shaft of the lower motor, the circumferential surface of the lower motor is provided with a lower concave surface (531), and the lower ball-sending wheel (53) is positioned below the upper ball-sending wheel (52);
the clamping plate (54) is arc-shaped, is fixed on the service plate and is arranged concentrically with the upper service wheel (52), the upper end of the clamping plate (54) is close to the bottom plate (30), and the lower end of the clamping plate (54) is close to the lower service wheel (53), tennis balls (4) falling from the ball leakage hole (301) can only enter a space between the upper service wheel (52) and the lower service wheel (53) along a channel between the clamping plate (54) and the upper service wheel (52), and are pressed by the upper service wheel (52) and the lower service wheel (53) which rotate in opposite directions and are ejected along the tangential direction, so that the service is completed;
and the controller is electrically connected with the vehicle motor, the upper motor (51), the lower motor, the sorting motor (33), the speed change switch and an electric control component in the brake device, and the rechargeable battery supplies power to the controller.
2. The tennis serving cart of claim 1, further comprising:
a vertical rod (61), the lower part of which is fixed with the service plate and the top part of which is rotatably connected with the bottom plate (30);
a left-right swinging motor (64), the shell of which is fixed with the bottom plate (30), and the left-right swinging motor (64) is electrically connected with the controller;
a left and right eccentric rod (63) one end of which is fixed with the rotating shaft of the left and right swing motor (64);
a left connecting rod (62) and a right connecting rod (62), wherein one end of the left connecting rod is hinged with the service plate, and the other end of the left connecting rod is hinged with the other end of the left eccentric rod (63);
the controller can control the left-right swinging motor (64) to rotate forwards or reversely for an angle, the serve plate can rotate leftwards or rightwards for an angle, and the tennis ball (4) can deviate from the left or right for an angle to serve and be shot.
3. A tennis serving trolley according to claim 2, wherein said tennis ball (4) is deflected to the left or right by an angle of 15 degrees or less.
4. A tennis serving cart in accordance with claim 2, wherein said serving board comprises a serving upper board (56) and a serving lower board (55), said serving upper board (56) is fixed to said vertical rod (61) and hinged to said left and right connecting rods (62), said serving lower board (55) is rotatably connected to said vertical rod (61), said holding board (54), upper motor (51) and lower motor are fixed to said serving lower board (55);
further comprising:
the shell of the up-and-down swinging motor (59) is fixed with the serving upper plate (56), and the up-and-down swinging motor (59) is electrically connected with the controller;
an upper and lower eccentric rod (58) one end of which is fixed with the rotating shaft of the upper and lower swing motor (59);
an upper and lower connecting rod (57), one end of which is hinged with the lower service plate (55), and the other end is hinged with the other end of the upper and lower eccentric rods (58);
the controller can control the up-down swinging motor (59) to rotate forwards or backwards for an angle, the serve lower plate (55) can rotate upwards or downwards for an angle, and the tennis ball (4) can deviate upwards or downwards for an angle to serve and be shot.
5. A tennis serving trolley according to claim 4, wherein the tennis ball (4) is projected at an angle of 15 degrees or less upwardly or downwardly from the serving.
6. The tennis serving cart of any one of claims 1-5, further comprising a ball pick-up cylinder provided with:
two disk surfaces (71) are provided;
the two ends of the central shaft (73) are respectively fixed with the two disc surfaces (71), and the central shaft (73) can be rotatably and detachably arranged at the tail part of the frame (2);
the two ends of each hard rod (72) are respectively fixed with the two disc surfaces (71), the distance between every two adjacent hard rods (72) is smaller than the diameter of the tennis ball (4), the ball picking cylinder can rotate close to the ground when the service cart moves, and the tennis ball (4) penetrates into the ball picking cylinder from a gap between the hard rods (72).
7. A tennis serving cart according to claim 6, wherein said circular plate (71) is provided with a plurality of ball discharge outlets (711), said ball discharge outlets (711) being capable of discharging said tennis balls (4).
8. A tennis serving trolley according to any one of claims 1-5, wherein said turntable (32) is centrally provided with a cone (322), said cone (322) preventing said tennis ball (4) from remaining in the center of the turntable (32).
9. A tennis serving trolley according to any one of claims 1-5, wherein the bottom of the sorting box (31) is fixed with a ball pressing plate (311), the ball pressing plate (311) is located right above the ball dropping hole (301) and close to the turntable (32), and tennis balls (4) entering the ball dropping hole (301) from the sorting hole (321) of the turntable (32) can be pressed by the ball pressing plate (311) and cannot rebound upwards from the sorting hole (321).
10. A tennis serving cart according to any one of claims 1 to 5, wherein said controller is provided with a plurality of switch buttons, status display devices and is PLC-controlled, and the angle of said tennis ball (4) to the left or right, up or down, the number of tennis balls (4) to be served each time, the speed at which the ball flies, and the number of serve balls per unit time can be set by operating the switch buttons.
CN201920938241.9U 2019-06-20 2019-06-20 Tennis serving trolley Active CN210355949U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201920938241.9U CN210355949U (en) 2019-06-20 2019-06-20 Tennis serving trolley

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110251923A (en) * 2019-06-20 2019-09-20 浙江工贸职业技术学院 Tennis service vehicle
CN111973961A (en) * 2020-08-26 2020-11-24 贵州工程应用技术学院 All-in-one is sent out to high reliability tennis
CN112960417A (en) * 2021-01-28 2021-06-15 佛山科学技术学院 Automatic loading device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110251923A (en) * 2019-06-20 2019-09-20 浙江工贸职业技术学院 Tennis service vehicle
CN110251923B (en) * 2019-06-20 2024-04-02 浙江工贸职业技术学院 Tennis service trolley
CN111973961A (en) * 2020-08-26 2020-11-24 贵州工程应用技术学院 All-in-one is sent out to high reliability tennis
CN111973961B (en) * 2020-08-26 2021-09-03 贵州工程应用技术学院 All-in-one is sent out to high reliability tennis
CN112960417A (en) * 2021-01-28 2021-06-15 佛山科学技术学院 Automatic loading device

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