CN215841512U

CN215841512U - Fixed-point ball dispenser for tennis teaching training

Info

Publication number: CN215841512U
Application number: CN202122144673.2U
Authority: CN
Inventors: 李丽
Original assignee: Guangzhou University of Science and Technology
Current assignee: Guangzhou University of Science and Technology
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-18
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a fixed-point ball dispenser for tennis teaching training, which comprises a base, wherein the bottom of the base is connected with a roller, the lower surface of the base is connected with a shrinkage column, the bottom of the shrinkage column is connected with a bottom column, a reinforcing bolt penetrates through the inner sides of the bottom column and the shrinkage column, the upper surface of the base is connected with a buffer seat, the top of the buffer seat is connected with a ball dispenser body, the front of the ball dispenser body is provided with a display screen, an operating key is arranged below the display screen, an opening and closing door is arranged below the operating key, one side of the ball dispenser body is connected with an air storage pipe, one end of the air storage pipe is connected with a ball dispenser port, the top of the ball dispenser port is connected with a valve, the top of the ball dispenser body is connected with a storage box, one side of the base is connected with a transverse telescopic rod, and the inner side of the transverse telescopic rod is penetrated with a bolt, in the utility model, through the combined action of a structure connected with the ball dispenser body, a movable adjusting structure at the bottom of the ball dispenser body is utilized, the field can be quickly moved to the fixed-point serve device, and the stability of the fixed-point serve is improved.

Description

Fixed-point ball dispenser for tennis teaching training

Technical Field

The utility model relates to the technical field of tennis training, in particular to a fixed-point serve device for tennis teaching training.

Background

At present, tennis has entered into people's home, but because of the limitation of the field, its development speed still receives certain restriction, people make the tennis go back and forth through the elastic cord when playing tennis, but the structure is simpler, can't serve automatically, and it is not very convenient to fix, lead to training effect relatively poor, there are some tennis service apparatus on the market now, the tennis service apparatus is used for training in the assistance training person basically now, but the present tennis service apparatus can't adjust the direction of serving according to the sportsman's demand, has greatly hindered sportsman's training like this, can't reach ideal training effect, therefore need provide a more perfect fixed point service apparatus of tennis teaching training.

There are the following problems:

the existing fixed-point ball serving device has certain limitation on movement when in use, and cannot fix the ball serving device after the movement adjustment, so that the stability of the ball serving device in use is influenced, the direction of the ball serving device and the ball serving speed cannot be accurately and intelligently controlled, and the stability of the ball serving of the fixed-point ball serving device is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a fixed-point serve device for tennis teaching training.

In order to achieve the purpose, the utility model adopts the following technical scheme: a fixed-point ball serving device for tennis teaching training, which comprises a base, wherein the bottom of the base is connected with rollers, the lower surface of the base is connected with a contraction column, the bottom of the contraction column is connected with a bottom column, a reinforcing bolt is arranged on the inner side of the bottom column and the inner side of the contraction column in a penetrating way, the upper surface of the base is connected with a buffer seat, the top of the buffer seat is connected with a hair bulb body, the front of the hair bulb body is provided with a display screen, an operating key is arranged below the display screen, an opening and closing door is arranged below the operating key, one side of the hair bulb body is connected with an air storage pipe, one end of the air storage pipe is connected with a ball outlet, the top of the ball outlet is connected with a valve, the top of the ball body is connected with a storage box, one side of base is connected with horizontal telescopic link, horizontal telescopic link inboard is run through and is provided with the bolt, horizontal telescopic link's one end is connected with indulges the telescopic link.

As a further description of the above technical solution:

the bottom of base can be dismantled with the gyro wheel and be connected, the quantity of gyro wheel is four groups, the lower surface and the shrink post joint of base, the bottom and the foundation swing joint of shrink post.

As a further description of the above technical solution:

the foundation column is connected with the inner side of the shrinkage column and the reinforcing bolt in a threaded manner, the upper surface of the base is connected with the buffer seat in a clamped manner, and the buffer seat is composed of springs and hoses and is four in number.

As a further description of the above technical solution:

the top and the service spheroid threaded connection of buffer seat, the fixed display screen that is provided with in front of the service spheroid, the fixed operating key that is provided with in below of display screen, operating key and motor case are electric connection.

As a further description of the above technical solution:

the below and the swing joint that opens and shuts of operating key, send out spheroidal one side and peg graft with holding the trachea, hold tracheal other end and be provided with the power generation box and be located send out the spheroid inside, hold tracheal one end and serve mouthful can dismantle with and be connected.

As a further description of the above technical solution:

the top and the valve swing joint of service mouth, send spheroid's top and storage box fixed connection, the storage box shape is hourglass hopper-shaped.

As a further description of the above technical solution:

one side of base can be dismantled with horizontal telescopic link and be connected, the inboard and the bolt threaded connection of horizontal telescopic link, the one end of horizontal telescopic link with indulge telescopic link fixed connection, the length of indulging the telescopic link is greater than the length of horizontal telescopic link.

The utility model has the following beneficial effects:

the fixed-point ball dispenser can be quickly moved to a place by the combined action of the structure connected with the ball dispenser body and the movable adjusting structure at the bottom of the ball dispenser body, so that the fixed-point ball dispenser can be pushed to a proper position in the court to train tennis, a trainer can save time and labor when moving the ball dispenser, the moving limitation of the ball dispenser is greatly reduced, when the fixed-point ball dispenser is placed at a proper position, the trainer can draw out the bottom column from the bottom of the shrinkage column to enable the bottom column to be contacted with the ground, then the bottom column can be fixed after being adjusted by twisting the reinforcing bolt, the stability of the base is ensured, the stability of fixed-point ball dispensing is improved, the fixed-point data of ball dispensing can be marked on the display screen by the added operating keys, and the fixed-point ball dispenser can be intelligently opened by pressing the operating keys again, the fixed-point serve device is more intelligent and can meet the training requirements of trainers.

Drawings

FIG. 1 is an external view of a fixed point serve for tennis teaching training according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic view of a telescopic rod of the fixed point serve device for tennis teaching training according to the present invention.

Illustration of the drawings:

1. a base; 2. a roller; 3. a contracting column; 4. a bottom pillar; 5. reinforcing the bolt; 6. a buffer seat; 7. a hair ball body; 8. a display screen; 9. an operation key; 10. opening and closing the door; 11. an air storage pipe; 12. a ball distributing port; 13. a valve; 14. a storage box; 15. a transverse telescopic rod; 16. a bolt; 17. a longitudinal expansion link.

1. A motor box,

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a fixed-point service robot for tennis teaching training comprises a base 1, rollers 2 are connected with the bottom of the base 1, a shrinkage column 3 is connected with the lower surface of the base 1, a bottom column 4 is connected with the bottom of the shrinkage column 3, a reinforcing bolt 5 is arranged at the inner sides of the bottom column 4 and the shrinkage column 3 in a penetrating manner, a buffer seat 6 is connected with the upper surface of the base 1, a service robot 7 is connected with the top of the buffer seat 6, a display screen 8 is arranged on the front surface of the service robot 7, fixed-point data of service of the service robot can be marked on the display screen 8, an operating key 9 is arranged below the display screen 8, an opening-closing door 10 is arranged below the operating key 9, an air storage pipe 11 is connected with one side of the service robot 7, a service opening 12 is connected with one end of the air storage pipe 11, a valve 13 is connected with the top of the service opening 12, the valve 13 is used for closing the service opening 12, the service robot can control the service efficiency of service robot, a storage box 14 is connected with the top of the service robot 7, one side of the base 1 is connected with a transverse telescopic rod 15, a bolt 16 penetrates through the inner side of the transverse telescopic rod 15, and one end of the transverse telescopic rod 15 is connected with a longitudinal telescopic rod 17.

The bottom of a base 1 is detachably connected with rollers 2, the number of the rollers 2 is four, the lower surface of the base 1 is clamped with a shrinkage column 3, the bottom of the shrinkage column 3 is movably connected with a bottom column 4, the inner sides of the bottom column 4 and the shrinkage column 3 are in threaded connection with a reinforcing bolt 5, the upper surface of the base 1 is clamped with a buffer seat 6, the buffer seat 6 consists of springs and hoses and is four, the top of the buffer seat 6 is in threaded connection with a service ball body 7, the front of the service ball body 7 is fixedly provided with a display screen 8, an operation key 9 is fixedly arranged below the display screen 8, the operation key 9 is electrically connected with a motor box, a trainer can conveniently control fixed-point service force, the lower part of the operation key 9 is movably connected with an opening and closing door 10, one side of the service ball body 7 is inserted with a gas storage pipe 11, the other end of the gas storage pipe 11 is provided with a power generation box which is positioned inside the service ball body 7, one end of the gas storage pipe 11 is detachably connected with a service port 12, top and valve 13 swing joint of service mouth 12, the top and the storage box 14 fixed connection of service body 7, storage box 14 shape is hourglass hopper-shaped, avoids appearing the condition of tennis jam, and one side and the horizontal telescopic link 15 of base 1 can be dismantled and be connected, the inboard and the 16 threaded connection of bolt of horizontal telescopic link 15, the one end and the telescopic link 17 fixed connection of indulging of horizontal telescopic link 15, the length of indulging telescopic link 17 is greater than the length of horizontal telescopic link 15.

The working principle is as follows: when the fixed-point serve device for tennis teaching training is used, a tennis trainer can pull the fixed-point serve device to a certain length by pulling the transverse telescopic rod 15, rotate the bolt 16 to fix the fixed-point serve device, adjust the height of the longitudinal telescopic rod 17 to be suitable for the height of pushing and pulling, and then can pull the fixed-point serve device to a proper position in a court for tennis training by twisting the bolt 16 penetrating through the longitudinal telescopic rod 17 again so as to fix the fixed-point serve device, so that the condition that the telescopic rod is contracted in the process of pulling the telescopic rod is avoided, the telescopic rod can be pushed later, the fixed-point serve device can be pushed to the proper position in the court by utilizing the rotation of the roller 2, the trainee can move the serve device in a time-saving and labor-saving manner, the limitation of moving the serve device is greatly reduced, and when the trainee is placed at the proper position, the bottom column 4 can be pulled out from the bottom of the contraction column 3, the bottom column 4 can be contacted with the ground, then the regulated bottom column 4 can be fixed by twisting the reinforcing bolt 5, thereby ensuring the stability of the base 1, then a trainer can pour tennis balls into the storage box 14, then the tennis balls are connected with an external power supply to start the ball serving body 7, the tennis balls in the storage box 14 can fall into the motor box in the ball serving body 7, then the trainer can mark the fixed point data of the serve on the display screen 8 through the operation key 9, the fixed point ball serving device can be intelligently opened by pressing the operation key 9 again, the fixed point ball serving device is more intelligent, the training requirement of the trainer can be met, when the trainer needs to control the serving direction, the player can hold the ball serving port 12 by one hand to draw out the air storage tube 11, the ball can be served to any direction, and the ball serving port 12 can be closed through the valve 13, the efficiency of serve can be controlled, the serve device is more intelligent, and the stability of serving of the fixed-point serve device is improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a fixed point service robot of tennis teaching training, includes base (1), its characterized in that: the bottom of the base (1) is connected with a roller (2), the lower surface of the base (1) is connected with a shrinkage column (3), the bottom of the shrinkage column (3) is connected with a bottom column (4), the inner sides of the bottom column (4) and the shrinkage column (3) are provided with a reinforcing bolt (5) in a penetrating manner, the upper surface of the base (1) is connected with a buffer seat (6), the top of the buffer seat (6) is connected with a foaming body (7), the front of the foaming body (7) is provided with a display screen (8), an operation key (9) is arranged below the display screen (8), an opening and closing door (10) is arranged below the operation key (9), one side of the foaming body (7) is connected with an air storage pipe (11), one end of the air storage pipe (11) is connected with a foaming opening (12), the top of the foaming opening (12) is connected with a valve (13), the top of the foaming body (7) is connected with a storage box (14), one side of base (1) is connected with horizontal telescopic link (15), horizontal telescopic link (15) inboard is run through and is provided with bolt (16), the one end of horizontal telescopic link (15) is connected with indulges telescopic link (17).

2. The tennis teaching training set-point tee of claim 1, wherein: the bottom of base (1) can be dismantled with gyro wheel (2) and be connected, the quantity of gyro wheel (2) is four groups, the lower surface and the shrink post (3) joint of base (1), the bottom and foundation column (4) swing joint of shrink post (3).

3. The tennis teaching training set-point tee of claim 1, wherein: the utility model discloses a telescopic base, including base, foundation column (4), cushion seat (6), base and flexible pipe, the inboard and the reinforcing of foundation column (3) are tied (5) threaded connection, the upper surface and cushion socket (6) joint of base (1), cushion socket (6) comprise spring and hose and its quantity is four groups.

4. The tennis teaching training set-point tee of claim 1, wherein: the top of buffer seat (6) with send out spheroid (7) threaded connection, send out the fixed display screen (8) that is provided with in front of spheroid (7), the fixed operating key (9) that is provided with in below of display screen (8), operating key (9) and motor case are electric connection.

5. The tennis teaching training set-point tee of claim 1, wherein: the lower part and the swing joint that opens and shuts of operating key (9), send out one side and the grafting of trachea (11) of spheroid (7), the other end of trachea (11) is provided with the power generation box and is located and sends out spheroid (7) inside, the one end and the ball mouth (12) of trachea (11) are dismantled and are connected.

6. The tennis teaching training set-point tee of claim 1, wherein: the top and valve (13) swing joint of service mouth (12), the top and storage box (14) fixed connection of service body (7), storage box (14) shape is hourglass hopper-shaped.

7. The tennis teaching training set-point tee of claim 1, wherein: one side of base (1) can be dismantled with horizontal telescopic link (15) and be connected, the inboard and bolt (16) threaded connection of horizontal telescopic link (15), the one end of horizontal telescopic link (15) with indulge telescopic link (17) fixed connection, the length of indulging telescopic link (17) is greater than the length of horizontal telescopic link (15).