CN207627866U - Practice training aid certainly for tennis - Google Patents

Abstract

The utility model provides a self-practicing aid for tennis, comprising a rectangular plate and a fourth cylinder; the front end of the rectangular plate is welded with a push rod; the center of the top surface of the second square block is welded with a The first cylinder; the tennis ball placement groove is opened at the rear right side of the top surface of the second square block. In the utility model, the second cylinder, the first square block, the third cylinder, the rubber corrugated telescopic sleeve, the fourth cylinder, the second square block and the first cylinder are jointly provided with a blast circulation duct. , and the second cylinder is connected to the blower outlet of the blower, which is beneficial for beginners to place tennis balls on the first cylinder when practicing tennis primary hitting postures, and the wind blown by the blower passes through the blower flow duct Blowing out will blow and suspend the tennis ball at the first cylinder, which is convenient for beginners to practice tennis primary hitting posture, practice basic forehand and backhand hitting movements, practice different hitting techniques, and quickly improve the level of playing.

Description

Auxiliary device for tennis self-training

technical field

The utility model belongs to the technical field of tennis training equipment, in particular to an auxiliary training equipment for tennis self-training.

Background technique

The tennis practice device is a device that users can learn to play tennis anytime and anywhere, train the batting action, and master the accuracy of hitting the ball. At present, the existing tennis trainers on the market are large in size, complex in structure, heavy in weight, inconvenient to carry and high in manufacturing cost, which is not conducive to wide application, and the current tennis trainers on the market cannot be trained step by step, making training difficult. The player's playing foundation is not reliable, and the existing tennis training device needs to walk around to find or manually roll up the rope connected to the tennis ball after the tennis ball fails to hit.

For example, the application number: 201110448123.8 Tennis ball feeding and swing speed monitoring device relates to a ball feeding and racket swing speed monitoring device. It aims to solve the problems that the existing artificial tennis ball supply method has low ball supply regularity, it is difficult for the hitter to accurately select the hitting point, and it is impossible to accurately monitor the swing speed of the player when the ball is touched. The present invention adopts the suspension type ball supply, and the players can accurately select the point of contact with the ball for shooting training; the present invention can also carry out the launch type ball supply of tennis balls, and the angle of the ball supply can be selected arbitrarily, so as to ensure the reproduction of the running track of the tennis ball, so that the players can effectively The ball-catching training is carried out; the present invention monitors the player's swing speed by cutting the light beam. The invention is suitable for tennis training.

Based on the above, the inventors found that although the above-mentioned patent also adopts a suspended ball supply method, in the actual use process, after the beginner hits the tennis ball, the beginner still needs to walk around to find the tennis ball, and the steps of getting the ball are more troublesome, and the The multiple air pumps that the tennis practice device is provided with also make the tennis practice device relatively inconvenient to move.

Therefore, in view of this, the existing structure and defects are studied and improved, and an auxiliary device for tennis self-training is provided, in order to achieve a purpose with more practical value.

Utility model content

In order to solve the above-mentioned technical problems, the utility model provides a self-training aid for tennis to solve the problem that the current tennis trainers on the market cannot train step by step, so that the trainer's playing foundation is not reliable, and the existing tennis trainer is used as a tennis player. After the hit fails, it is necessary to walk around to find or manually roll up the rope connected to the tennis ball. The steps of taking the ball are relatively cumbersome, which cannot meet the needs of people for quick practice.

The utility model is used for the purpose and effect of the tennis self-training assistant training device, achieved by the following specific technical means:

Used for tennis self-training aids, including rectangular boards, universal wheels, push rods, blowers, tennis training aids, elastic cords, tennis balls, frequency converters, inverters, batteries, blowing air ducts, first-party shaped block, the second square block, telescopic rod, the first cylinder, the tennis ball placement groove, the second cylinder, the third cylinder, the rubber corrugated telescopic sleeve and the fourth cylinder; the front end of the rectangular plate is welded with A push rod, and a set of universal wheels are fixedly installed at the four edge corners of the bottom surface of the rectangular plate; a tennis aid training device is fixedly installed on the front left side of the top surface of the rectangular plate; A blower is fixedly installed on the rear left side of the top surface, and a frequency converter, an inverter and a storage battery are respectively fixedly installed on the rear right side of the top surface of the rectangular plate; They are all electrically connected; the tennis aid training device consists of a first square block, a second square block, a telescopic rod, a first cylinder, a tennis ball placement groove, a second cylinder, a third cylinder, rubber corrugated The telescopic sleeve and the fourth cylinder are jointly composed; the bottom of the first square block is fixedly connected with the front left side of the top surface of the rectangular plate; the center of the rear end surface of the first square block is welded with a The second cylinder, and the second cylinder is connected to the blast outlet of the blower; a second square block is arranged above the first square block, and the bottom end surface of the second square block is connected to the top surface of the first square block. The four telescopic rods fixedly installed at the corners of the four corners are connected between each other; a third cylinder is welded at the center of the top surface of the first square block; the bottom of the second square block A fourth cylinder concentric with the third cylinder is welded at the center of the end face, and the third cylinder and the fourth cylinder are connected through a set of rubber bellows telescopic sleeves; the second square The first cylinder is welded at the center of the top end of the block; the tennis ball placement groove is opened at the rear right side of the top end of the second square block.

Further, there is a blower tube between the second cylinder, the first square block, the third cylinder, the rubber corrugated telescopic sleeve, the fourth cylinder, the second square block and the first cylinder. circulation pipes.

Further, the front right side of the top surface of the rectangular board is connected with one tennis ball through one elastic string.

Further, the thickness of the elastic thread is 1cm.

Further, the fully extended length of the rubber corrugated telescopic sleeve is consistent with the fully extended length of the four telescopic rods.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, the second cylinder, the first square block, the third cylinder, the rubber corrugated telescopic sleeve, the fourth cylinder, the second square block and the first cylinder are jointly provided with the blast circulation duct. , and the second cylinder is connected to the outlet of the blower blower, which is beneficial for beginners to place tennis balls on the first cylinder when practicing tennis primary hitting postures, and the wind blown by the blower passes through the blower flow duct Blow out, blow and suspend the tennis ball at the first cylinder, which is convenient for beginners to practice tennis primary hitting posture, practice basic forehand and backhand hitting movements, practice different hitting techniques, and quickly improve the level of playing; further Yes, the tennis ball is connected to the front right side of the top surface of the rectangular board through an elastic line, which is beneficial for beginners to pull the tennis ball back through the elastic line after hitting the tennis ball, without the need for beginners to run around Pull back the tennis ball. Further, the tennis training aid designed by the utility model is convenient to move, which is beneficial for beginners to freely choose a venue when practicing, and meets the environmental requirements of beginners for practicing.

Description of drawings

Fig. 1 is a schematic diagram of the axial view structure of the left end of the utility model.

Fig. 2 is a schematic structural diagram of the right end axial view of the utility model.

Fig. 3 is a side view structural diagram of the utility model.

Fig. 4 is a schematic diagram of the internal sectional structure of the tennis training aid device of the present invention.

In the figure: 1-rectangular plate, 2-universal wheel, 3-push rod, 4-blower, 5-tennis training device, 6-elastic cord, 7-tennis ball, 8-frequency converter, 9-inverter , 10-battery, 01-blast air duct, 501-first square block, 502-second square block, 503-telescopic rod, 504-first cylinder, 505-tennis ball slot, 506-second Cylinder, 507-the third cylinder, 508-rubber corrugated telescopic sleeve, 509-the fourth cylinder.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

Example:

As shown in accompanying drawing 1 to accompanying drawing 4:

The utility model provides a self-practicing aid for tennis, which includes a rectangular plate 1, a universal wheel 2, a push rod 3, a blower 4, a tennis aiding device 5, an elastic cord 6, a tennis ball 7, a frequency converter 8, and an inverter. Device 9, accumulator 10, blowing air duct 01, first square block 501, second square block 502, telescopic rod 503, first cylinder 504, tennis ball placement groove 505, second cylinder 506, third circle cylinder 507, rubber corrugated telescopic sleeve 508 and fourth cylinder 509; the front end of the rectangular plate 1 is welded with a push rod 3, and a set of universal Wheel 2; the front left side of the top surface of the rectangular plate 1 is fixedly equipped with a tennis aid training device 5; the rear left side of the top surface of the rectangular plate 1 is fixedly equipped with a blower 4, and the top of the rectangular plate 1 A frequency converter 8, an inverter 9 and a storage battery 10 are respectively fixedly installed on the rear right side of the surface; the frequency converter 8, the inverter 9, the storage battery 10, and the blower 4 are electrically connected; Aiding device 5 consists of first square block 501, second square block 502, telescopic rod 503, first cylinder 504, tennis ball placement groove 505, second cylinder 506, third cylinder 507, rubber corrugated telescopic sleeve 508 and the fourth cylinder 509; the bottom of the first square block 501 is fixedly connected to the front left side of the top surface of the rectangular plate 1; the center of the rear end surface of the first square block 501 is welded with a root the second cylinder 506, and the second cylinder 506 is connected to the blast outlet of the blower 4; a second square block 502 is arranged above the first square block 501, and the bottom end surface of the second square block 502 It is connected with the top surface of the first square block 501 through four telescopic rods 503 fixedly installed at the four corner positions respectively; the center position of the top surface of the first square block 501 is welded with a The third cylinder 507; the center position of the bottom end surface of the second square block 502 is welded with a fourth cylinder 509 concentric with the third cylinder 507, and between the third cylinder 507 and the fourth cylinder 509 The center of the top surface of the second square block 502 is welded with a first cylinder 504; the tennis ball slot 505 is opened in the second square block 502 at the rear right position of the top surface.

Among them, the second cylinder 506, the first square block 501, the third cylinder 507, the rubber corrugated telescopic sleeve 508, the fourth cylinder 509, the second square block 502 and the first cylinder 504 are jointly opened There is one said air blast circulation duct 01, so that the wind blown out by the air blower 4 is blown out from the air blast circulation duct 01 to blow up the tennis balls 7 and suspend the tennis balls 7.

Wherein, the front right side of the top surface of the rectangular plate 1 is connected with a tennis ball 7 through a rubber string 6 .

Wherein, the thickness of the elastic thread 6 is 1 cm, so that when the tennis ball 7 is blown to make it float, the elastic thread 6 will not cause too much obstruction.

Wherein, the fully stretched length of the rubber corrugated telescopic sleeve 508 is consistent with the fully stretched length of the four telescopic rods 503, which is convenient for height adjustment according to different people's physiques and different exercise methods.

The specific usage and function of this embodiment:

When beginners practice tennis, they can start the blower 4 so that the wind blown out is blown out along the blast flow duct 01, and the practitioner can control the speed of the blower 4 through the frequency converter 8 to adjust the blown wind. The tennis ball 7 can be placed at the position of the first cylinder 504, and the wind blown through this place will blow the tennis ball 7 up and suspend it, so that beginners do not need to hold the tennis ball 7, which is convenient for beginners to practice tennis primary hitting postures and practice basics. Forehand and backhand batting action, practice different batting techniques to quickly improve the level of playing; the third cylinder 507 and the fourth cylinder 509 are connected by a set of rubber corrugated telescopic sleeves 508, and the rubber corrugated telescopic The length of the cover 508 fully extended is consistent with the length of the four telescopic rods 503 fully extended, which is convenient for height adjustment according to different people's physiques and according to different practice methods; Connected to the front right side of the top surface of the rectangular plate 1, after the beginner hits the tennis ball 7, the beginner can pull the tennis ball 7 back through the elastic string 6, without the beginner running around to take back the tennis ball 7.

Utilize the technical solution described in the utility model, or those skilled in the art design a similar technical solution under the inspiration of the technical solution of the utility model, and achieve the above-mentioned technical effects, all fall into the protection scope of the utility model.

Claims (5)

1. Used for tennis self-training aids, characterized in that: the tennis self-training aids include rectangular plates, universal wheels, push rods, blowers, tennis aids, elastic lines, tennis balls, frequency converters , Inverter, battery, air blowing duct, first square block, second square block, telescopic rod, first cylinder, tennis ball slot, second cylinder, third cylinder, rubber corrugated telescopic sleeve and the fourth cylinder; the front end of the rectangular plate is welded with push rods, and a set of universal wheels are fixedly installed at the four corners of the bottom end of the rectangular plate; the front side of the top end of the rectangular plate A tennis aid training device is fixedly installed on the left; a blower is fixedly installed on the rear left side of the top surface of the rectangular plate, and a frequency converter, an inverter and a storage battery are respectively fixedly installed on the rear right side of the top surface of the rectangular plate. ; The frequency converter, the inverter, the storage battery, and the blower are all electrically connected; The slot, the second cylinder, the third cylinder, the rubber corrugated telescopic sleeve and the fourth cylinder are jointly composed; the bottom of the first square block is fixedly connected with the front left side of the top surface of the rectangular plate; the A said second cylinder is welded at the center position of the rear end face of the first square block, and the second cylinder is connected to the blast outlet of the blower; a second square block is arranged above the first square block, and The bottom end surface of the second square block is connected with the top surface of the first square block by four telescopic rods fixedly installed at four corner positions respectively; the center position of the top surface of the first square block is welded with a The third cylinder; the center position of the bottom end surface of the second square block is welded with a fourth cylinder concentric with the third cylinder, and the third cylinder and the fourth cylinder pass through a The rubber corrugated telescopic sleeves are connected together; the center position of the top surface of the second square block is welded with the first cylinder; the tennis ball placement groove is opened on the rear right side of the top surface of the second square block location. 2. As claimed in claim 1, it is used for tennis self-training assistant, wherein: the second cylinder, the first square block, the third cylinder, the rubber corrugated telescopic sleeve, the fourth cylinder, the first A blowing air duct is jointly opened between the two square blocks and the first cylinder. 3 . The self-training aid for tennis as claimed in claim 1 , wherein the front right side of the top surface of the rectangular board is connected with one tennis ball through one elastic string. 4 . 4. The tennis self-training aid as claimed in claim 1 or 3, wherein the elastic thread has a thickness of 1 cm. 5 . The tennis self-training aid as claimed in claim 1 , wherein the fully extended length of the rubber corrugated telescopic sleeve is the same as the fully extended length of the four telescopic rods. 6 .