CN215136719U

CN215136719U - Tennis training equipment

Info

Publication number: CN215136719U
Application number: CN202121331365.4U
Authority: CN
Inventors: 王宝兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-14
Anticipated expiration: 2031-06-16

Abstract

The utility model discloses a tennis training equipment, including the fixed column, the side at fixed column both ends all is equipped with supplementary stabilizing part, and the week side middle part of fixed column rotates and is provided with the solid fixed ring that can reset, gu fixed ring's side is equipped with square telescopic link, square telescopic link's flexible end is equipped with the elasticity rope, the one end that square telescopic link was kept away from to the elasticity rope is equipped with the tennis, the upper surface of square telescopic link stiff end is equipped with servo motor, be equipped with the drive wheel on servo motor's the output shaft, the fixed column is equipped with the ring gear with the week side that the drive wheel corresponds, and the week side of drive wheel is equipped with a plurality of groups and ring gear engaged with latch, and the quantity difference of arbitrary adjacent two sets of latch. The tennis training device is convenient to move, can adjust the motion track of tennis, is good in flexibility, can effectively improve the training and teaching effects of tennis, and is simple to operate and convenient to use.

Description

Tennis training equipment

Technical Field

The utility model relates to a tennis training equipment technical field specifically is a tennis training equipment.

Background

Tennis is one of the ball games. The effective tennis court is a rectangle, the length of the tennis court is 23.77 meters, the width of the single play court is 8.23 meters, and the width of the double play court is 10.97 meters. The middle is separated by a net, both sides of the game respectively occupy one side of the court, and the players hit the ball with a tennis racket.

When the existing tennis teaching training is performed, the tennis teaching training is mainly performed by hitting and hitting the wall, the tennis motion route is single, the flexibility is poor, and the teaching effect is poor.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a tennis training equipment, the convenient removal can be adjusted the movement track of tennis, and the flexibility is good, can effectively improve the training and the teaching effect of tennis, easy operation, and convenient to use can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the tennis training device comprises a fixed column, wherein auxiliary stabilizing pieces are arranged on the side faces of two ends of the fixed column, a fixing ring capable of resetting is rotatably arranged in the middle of the side face of the fixed column, a square telescopic rod is arranged on the side face of the fixing ring, an elastic rope is arranged at the telescopic end of the square telescopic rod, and a tennis ball is arranged at one end, away from the square telescopic rod, of the elastic rope.

The upper surface of square telescopic link stiff end is equipped with servo motor, be equipped with the drive wheel on servo motor's the output shaft, the fixed column is equipped with the ring gear with the week side that the drive wheel corresponds, and the week side of drive wheel is equipped with a plurality of groups and ring gear engaged with latch, and the quantity of arbitrary adjacent two sets of latch is different.

The upper surface of fixed column is equipped with the switch, and servo motor's input is connected with the output electricity of switch.

As a preferred technical scheme of the utility model, supplementary stabilizing member includes the annular wheel, the medial surface of annular wheel is equipped with rotates the first bearing of being connected with the fixed column, and the week side of annular wheel is equipped with the leather collar.

As a preferred technical scheme of the utility model, the upper and lower both ends of solid fixed ring medial surface are equipped with rotates the second bearing of being connected with the fixed column, and solid fixed ring's medial surface middle part is equipped with the clockwork spring of being connected with the fixed column.

As a preferred technical scheme of the utility model, the one end bottom that solid fixed ring was kept away from to square telescopic link stiff end is rotated and is provided with the dead lever, the bottom of dead lever is equipped with the truckle.

As an optimized technical scheme of the utility model, the one end that solid fixed ring was kept away from to square telescopic link stiff end is equipped with the fastening knob.

As a preferred technical scheme of the utility model, the inside of fixed column is equipped with storage battery, the input and the storage battery's of switch output electricity are connected.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses tennis training equipment of example, the annular wheel can regard as the walking wheel to use, can also promote whole equipment through square telescopic link and remove, makes things convenient for the removal of whole equipment, uses manpower sparingly, convenient to use.

2. The utility model discloses the tennis training equipment of example, servo motor passes through the drive wheel and drives the latch rotation, after latch and ring gear meshing, the latch passes through the drive wheel and drives servo motor and rotates around the fixed column, servo motor drives square telescopic link and rotates around the fixed column, square telescopic link drives fixed the rotation around the fixed column, square telescopic link rotates the position that changes elasticity rope and fixed column tie point in-process, when the elasticity rope is in length under the unnatural state, because the change of elasticity rope and fixed column tie point position, the direction that the elasticity rope pulling tennis removed changes, thereby change the movement track of tennis, can improve training teaching effect.

3. The utility model discloses the tennis training equipment of example, because arbitrary two sets of latch quantity is different, consequently the tennis motion trajectory all inequality at every turn, the motion route of tennis is changeable, and the flexibility is good, can improve training and teaching effect.

4. The utility model discloses the tennis training equipment of example, the convenient removal can be adjusted the movement track of tennis, and the flexibility is good, can effectively improve the training and the teaching effect of tennis, easy operation, convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

fig. 3 is a schematic cross-sectional view of the fixing ring of the present invention.

In the figure: the device comprises a fixed column 1, a ring wheel 2, a first bearing 21, a leather ring 22, a fixed ring 3, a second bearing 31, a clockwork spring 32, a square telescopic rod 4, a fastening knob 41, a fixed rod 42, a truckle 43, an elastic rope 5, a tennis ball 51, a servo motor 6, a driving wheel 61, a latch 62, a toothed ring 7, a storage battery 8 and a switch 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a tennis training equipment, including fixed column 1, the side at 1 both ends of fixed column all is equipped with supplementary stabilizing parts, supplementary stabilizing parts include annular wheel 2, the medial surface of annular wheel 2 is equipped with rotates the first bearing 21 of being connected with fixed column 1, and the week side of annular wheel 2 is equipped with leather collar 22, leather collar 22 can play the shock attenuation and improve the effect of annular wheel and ground friction power, annular wheel 2 can regard as the walking wheel to use, can also promote whole equipment through square telescopic link 4 and remove, make things convenient for the removal of whole equipment, and the use is manpower is saved, and the use is convenient.

And fixed column 1's all sides middle part is rotated and is provided with solid fixed ring 3 that can reset, and the upper and lower both ends of solid fixed ring 3 medial surface are equipped with the second bearing 31 of being connected with fixed column 1 rotation, and solid fixed ring 3's medial surface middle part is equipped with the clockwork spring 32 of being connected with fixed column 1, and the solid fixed ring 3 who has second bearing 31 conveniently rotates, and clockwork spring 32 helps solid fixed ring 3's automatic re-setting simultaneously.

The side of solid fixed ring 3 is equipped with square telescopic link 4, and the flexible end of square telescopic link 4 is equipped with elastic rope 5, and the one end that square telescopic link 4 was kept away from to elastic rope 5 is equipped with tennis 51, and square telescopic link 4 can rotate around fixed column 1 through solid fixed ring 3 to make the position of elastic rope 5 and square telescopic link 4 junction change with ground relatively, thereby make tennis 51's movement track change.

The upper surface of the fixed end of the square telescopic rod 4 is provided with a servo motor 6, an output shaft of the servo motor 6 is provided with a driving wheel 61, the peripheral side surface of the fixed column 1 corresponding to the driving wheel 61 is provided with a toothed ring 7, the peripheral side surface of the driving wheel 61 is provided with a plurality of groups of clamping teeth 62 meshed with the toothed ring 7, the number of any two adjacent groups of clamping teeth 62 is different, the servo motor 6 drives the clamping teeth 62 to rotate through the driving wheel 61, after the clamping teeth 62 are meshed with the toothed ring 7, the clamping teeth 62 drive the servo motor 6 to rotate around the fixed column 1 through the driving wheel 61, the servo motor 6 drives the square telescopic rod 4 to rotate around the fixed column 1, the square telescopic rod 4 drives the fixed ring 3 to rotate around the fixed column 1, the position of the connecting point of the elastic rope 5 and the fixed column 1 is changed in the rotating process of the square telescopic rod 4, when the elastic rope 5 is in the length under the unnatural state, the position of the connecting point of the elastic rope 5 and the fixed column 1 is changed, the direction of the elastic rope 5 pulling the tennis ball 51 to move is changed, so that the motion track of the tennis ball is changed, and the training and teaching effect can be improved.

The end of the fixed end of the square telescopic rod 4, which is far away from the fixed ring 3, is provided with a fastening knob 41, and the fastening knob 41 is rotated, so that the length of the square telescopic rod 4 is conveniently fixed.

The upper surface of fixed column 1 is equipped with switch 9, and servo motor 6's input is connected with the output of switch 9 electricity.

The fixed end of the square telescopic rod 4 is far away from the bottom of the end of the fixed ring 3, the fixed rod 42 is arranged in a rotating mode, the bottom of the fixed rod 42 is provided with the caster 43, the square telescopic rod 4 can be supported, and meanwhile the square telescopic rod 4 can rotate conveniently.

The storage battery pack 8 is arranged inside the fixing column 1, and the input end of the switch 9 is electrically connected with the output end of the storage battery pack 8, so that the device can be used independently.

The whole tennis training device is convenient to move, can adjust the motion track of tennis, is good in flexibility, can effectively improve the training and teaching effects of tennis, and is simple to operate and convenient to use.

When in use:

the annular wheel 2 is used as a walking wheel, then the whole equipment is pushed to move to a proper position through the square telescopic rod 4, and then the equipment is placed in a shape shown in figure 1;

adjusting the length of the square telescopic rod 4, and rotating the fastening knob 41 to fix the length of the square telescopic rod 4;

the servo motor 6 is controlled to work through the switch 9, the servo motor 6 drives the latch 62 to rotate through the driving wheel 61, after the latch 62 is meshed with the gear ring 7, the latch 62 drives the servo motor 6 to rotate around the fixed column 1 through the driving wheel 61, the servo motor 6 drives the square telescopic rod 4 to rotate around the fixed column 1, the square telescopic rod 4 drives the fixing ring 3 to rotate around the fixed column 1, and the clockwork spring 32 is driven to deform in the rotating process of the fixing ring 3;

when the latch 62 is not engaged with the gear ring 7, the spring 32 drives the square expansion link 4 to reset through the fixing ring 3;

the position of a connecting point of the elastic rope 5 and the fixed column 1 is changed in the rotating process of the square telescopic rod 4;

when the length of the elastic rope 5 is in an unnatural state, the direction of the tennis ball 51 pulled by the elastic rope 5 to move is changed due to the change of the connecting point position of the elastic rope 5 and the fixed column 1, so that the training function is achieved.

The utility model discloses convenient the removal can be adjusted the movement track of tennis, and the flexibility is good, can effectively improve the training and the teaching effect of tennis, easy operation, convenient to use.

The non-public part of the utility model is the prior art, and the concrete structure, the material and the working principle are not detailed. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Tennis training apparatus comprising a fixed column (1), characterized in that: auxiliary stabilizing pieces are arranged on the side surfaces of two ends of the fixed column (1), a fixing ring (3) capable of resetting is rotatably arranged in the middle of the peripheral side surface of the fixed column (1), a square telescopic rod (4) is arranged on the side surface of the fixing ring (3), an elastic rope (5) is arranged at the telescopic end of the square telescopic rod (4), and a tennis ball (51) is arranged at one end, far away from the square telescopic rod (4), of the elastic rope (5);

the upper surface of the fixed end of the square telescopic rod (4) is provided with a servo motor (6), an output shaft of the servo motor (6) is provided with a driving wheel (61), the peripheral side surface of the fixed column (1) corresponding to the driving wheel (61) is provided with a gear ring (7), the peripheral side surface of the driving wheel (61) is provided with a plurality of groups of clamping teeth (62) meshed with the gear ring (7), and the number of any two adjacent groups of clamping teeth (62) is different;

the upper surface of the fixed column (1) is provided with a switch (9), and the input end of the servo motor (6) is electrically connected with the output end of the switch (9).

2. Tennis training apparatus according to claim 1, wherein: the auxiliary stabilizing piece comprises an annular wheel (2), a first bearing (21) rotationally connected with the fixed column (1) is arranged on the inner side face of the annular wheel (2), and a leather ring (22) is arranged on the circumferential side face of the annular wheel (2).

3. Tennis training apparatus according to claim 1, wherein: the upper end and the lower end of the inner side face of the fixing ring (3) are provided with second bearings (31) rotatably connected with the fixing column (1), and the middle of the inner side face of the fixing ring (3) is provided with a spring (32) connected with the fixing column (1).

4. Tennis training apparatus according to claim 1, wherein: the fixing rod (42) is arranged at the bottom of the end, far away from the fixing ring (3), of the fixing end of the square telescopic rod (4) in a rotating mode, and a caster (43) is arranged at the bottom of the fixing rod (42).

5. Tennis training apparatus according to claim 1, wherein: the end, far away from the fixed ring (3), of the fixed end of the square telescopic rod (4) is provided with a fastening knob (41).

6. Tennis training apparatus according to claim 1, wherein: and a storage battery pack (8) is arranged in the fixing column (1), and the input end of the switch (9) is electrically connected with the output end of the storage battery pack (8).