CN211273494U - A new type of tennis training device - Google Patents

Abstract

The utility model relates to the technical field of tennis training, in particular to a novel tennis training device, comprising a device main body, a rotation shaft is arranged on the inner side of the support feet, the support feet are connected to the main body of the device through the rotation shaft rotation, and the ball box The built-in groove is connected to the built-in groove through the groove sliding connection, the threaded rod is rotatably connected to the first bevel gear through the second bevel gear, the nut is threadedly connected to the sliding groove, and the second support rod is slidably connected to the threaded rod through the nut. The device has a reasonable design, the angle can be adjusted through the rotating shaft, and the height of the telescopic second support rod can be adjusted through the rotating wheel, so as to ensure the stability of the main body of the device when it is tilted, which is convenient for multi-angle training, and the ball with insufficient elasticity will fall during sliding training. The ball can be collected after the training is finished, reducing the trouble of manual collection. When the elasticity of the rebound net is not enough, the rebound net can be removed from the main body of the device for replacement, which improves the training effect.

Description

A new type of tennis training device

technical field

The utility model relates to the technical field of tennis training, in particular to a novel tennis training device.

Background technique

Tennis is a ball game, usually played between two singles players or a combination of two pairs. A player hits a tennis ball with a tennis racket across the net on a tennis court. The origin and development of tennis can be summed up in four sentences: nurtured in France, born in the United Kingdom, began to popularize and form a climax in the United States, and is now popular all over the world, known as the world's second largest ball game. Students who learn tennis usually use tennis trainers for operation training. The tennis trainers occupy a small space and can be used indoors and outdoors. They can practice different hitting techniques, effectively improve the effect of playing, and can standardize various basic movements.

The Chinese patent discloses a tennis training device for physical education classes (authorized announcement number CN208212465U). The patented technology can solve the problems such as the random flying of tennis balls. However, because the training needs to be adapted to different angles during training, and the existing ones are not easy to adjust Position, when the rebound net is used for many times, the rebound force is not enough and it is troublesome to disassemble. Therefore, those skilled in the art provide a novel tennis training device to solve the above-mentioned problems in the background art.

Utility model content

The purpose of the present invention is to provide a new tennis training device to solve the problems raised in the above background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel tennis training device, comprising a device body, a rebound net is arranged on the inner side of the device body, a snap ring is arranged on the outer side of the rebound net, and the card The outer side of the buckle is provided with a spring, the inner side of the device body is provided with a chute, the outer side of the chute is provided with a ball box, a support foot is provided below the device body, and a lower part of the device body is provided with a ball box. A second support rod, a first support rod is provided below the second support rod, and an anti-skid foot is provided below the first support rod.

As a further solution of the present invention, there are two supporting feet, which are respectively arranged at both ends of the device main body, the inner side of the supporting feet is provided with a rotating shaft, and the supporting feet are connected to the main body of the device through the rotating shaft. .

As a further solution of the present utility model: the spring is a member made of carbon steel and alloy steel, a total of four springs are arranged on the inner side of the main body of the device, and a total of four springs are arranged on the snap ring. Each of them is placed on the inner side of the spring, and the snap ring is used to fix the main body of the connection device through the spring.

As a further solution of the present invention: the inner side of the snap ring is provided with a groove, the inner side of the groove is provided with a moving block, the inner side of the snap ring is provided with a snap ring, and the moving block passes through the snap ring The snap ring is slidably connected, the snap ring is provided with a snap groove corresponding to the snap ring, and the snap ring is snap-connected to the snap ring.

As a further solution of the present invention, the inner side of the device main body is provided with a built-in groove.

As a further solution of the present invention: the outer side of the first support rod is provided with a connecting rod, the outer side of the connecting rod is provided with a rotating wheel, and the rotating wheel is rotatably connected to the first support rod through the connecting rod. A first bevel gear is arranged on the inner side of the wheel, a second bevel gear is arranged above the first bevel gear, the first bevel gear and the second bevel gear are vertically connected, and the first bevel gear and the second bevel gear are vertically connected. They are both flat-topped conical metal components, and the first bevel gear is meshed and connected to the second bevel gear.

As a further solution of the present invention, a threaded rod is arranged above the second bevel gear, a fixing block is arranged above the threaded rod, and the threaded rod is rotatably connected to the first bevel gear through the second bevel gear, so A nut is provided on the outer side of the threaded rod, and the nut is threadedly connected to the sliding groove.

As a further solution of the present invention, a slider is provided on the outer side of the nut, a sliding slot is arranged on the outer side of the slider, the slider is slidably connected to the sliding slot through the nut, and the second support rod is slid through the nut Connect the threaded rod.

Compared with the prior art, the beneficial effects of the present utility model are: the device is reasonably designed and easy to operate, the angle can be adjusted through the rotation of the rotating shaft, and the height of the second support rod can be extended and retracted through the adjustment of the rotating wheel, thereby ensuring that the main body of the device is inclined. The stability of the nut is convenient for multi-angle training, which ensures the quality of training. The setting of the slider can ensure that the nut will not be offset during movement. The ball with insufficient elasticity during training will fall into the ball box. After the training is over It can be collected, which reduces the trouble of manual collection. When the elasticity of the rebound net is not enough, slide the moving block inward in the groove of the snap ring, so as to open the snap ring from the card slot, and separate the four corners of the rebound net from the snap ring. When the buckle is taken out, the rebound net can be disassembled from the main body of the device for replacement, which is convenient for disassembly and improves the training effect.

Description of drawings

Fig. 1 is the structural representation of a kind of novel tennis training device;

Fig. 2 is a side view of a novel tennis training device;

3 is a schematic structural diagram of a lifting support rod device in a novel tennis training device;

4 is a schematic structural diagram of a snap device in a novel tennis training device;

FIG. 5 is a schematic structural diagram of a ball box device in a new tennis training device.

In the figure: 1. Main body of the device; 2. Rebound net; 3. Buckle ring; 4. Spring; 5. Chute; 6. Ball box; 7. Support foot; 8. Connecting rod; 9. Anti-skid foot; 10 11, the first support rod; 12, the second support rod; 13, the rotating shaft; 14, the first bevel gear; 15, the second bevel gear; 16, the threaded rod; 17, the sliding groove; 18, the sliding block; 19, nut; 20, fixed block; 21, moving block; 22, snap ring; 23, card slot; 24, built-in slot.

Detailed ways

Referring to FIGS. 1 to 5 , in an embodiment of the present invention, a new tennis training device includes a device main body 1 . The inner side of the device main body 1 is provided with a rebound net 2 , and the outer side of the rebound net 2 is provided with a snap ring 3 . A spring 4 is provided on the outer side of the retaining ring 3 , a chute 5 is provided on the inner side of the device body 1 , a ball box 6 is provided on the outer side of the chute 5 , a support foot 7 is provided under the device body 1 , and a lower part of the device body 1 is provided There is a second support rod 12 , a first support rod 11 is provided below the second support rod 12 , and anti-skid feet 9 are provided below the first support rod 11 .

In FIG. 2 : there are two supporting feet 7 , which are respectively arranged at both ends of the device main body 1 , the inner side of the supporting feet 7 is provided with a rotating shaft 13 , and the supporting feet 7 are connected to the device main body 1 by rotating the rotating shaft 13 . The angle of the device main body 1 is adjusted by the rotating shaft 13 .

In Fig. 4: the spring 4 is a kind of carbon steel and alloy steel material, the spring 4 is provided with a total of four, which are respectively placed on the inner side of the device main body 1, and the snap ring 3 is provided with a total of four, which are respectively placed in the spring 4, the snap ring 3 fixes the main body 1 of the connection device through the spring 4, the inside of the snap ring 3 is provided with a groove, the inside of the groove is provided with a moving block 21, and the inside of the snap ring 3 is provided with a snap ring 22 to move. The block 21 is slidably connected to the snap ring 3 through the snap ring 22. The snap ring 22 is provided with a snap groove 23 corresponding to the snap ring 3, and the snap ring 22 snaps to connect with the snap ring 23. Slide inward to open the snap ring 22 from the snap slot 23, insert one corner of the rebound net 2, and insert the four corners of the rebound net 2 into the snap ring 3 respectively, and then the rebound net 2 can be fixed on the main body of the device 1, easy to disassemble and install.

In Fig. 5: the inner side of the device main body 1 is provided with a built-in groove 24, and the balls with insufficient elasticity will fall into the ball catch box 6 during training, and can be collected after the training, reducing the trouble of manual collection.

In FIG. 3: the outer side of the first support rod 11 is provided with a connecting rod 8, the outer side of the connecting rod 8 is provided with a rotating wheel 10, the rotating wheel 10 is rotatably connected to the first supporting rod 11 through the connecting rod 8, and the inner side of the rotating wheel 10 is provided There is a first bevel gear 14, a second bevel gear 15 is arranged above the first bevel gear 14, the first bevel gear 14 and the second bevel gear 15 are vertically connected, and the first bevel gear 14 and the second bevel gear 15 are both It is a flat-topped conical metal component, the first bevel gear 14 is meshed with the second bevel gear 15, a threaded rod 16 is arranged above the second bevel gear 15, and a fixing block 20 is arranged above the threaded rod 16. The rod 16 is rotatably connected to the first bevel gear 14 through the second bevel gear 15. A nut 19 is provided on the outer side of the threaded rod 16, and the nut 19 is threadedly connected to the sliding groove 17. The sliding groove 17, the slider 18 are slidably connected to the sliding groove 17 through the nut 19, the second support rod 12 is slidably connected to the threaded rod 16 through the nut 19, the angle can be adjusted by the rotation of the rotating shaft 13, and the second support can be telescopic through the adjustment of the rotating wheel 10 The height of the rod 12 ensures the stability of the device main body 1 when it is inclined, facilitates multi-angle training, and ensures the quality of training.

The working principle of the present utility model is as follows: place the support foot 7 on the training ground, slide the moving block 21 inward in the groove of the snap ring 3, so as to open the snap ring 22 from the snap ring 23, and the rebound net 2 The four corners of the rebound net 2 are respectively inserted into the snap ring 3, the rebound net 2 can be fixed in the main body 1 of the device, and the ball box 6 can be slid into the built-in groove 24 through the chute 5, then the It is buckled on the device main body 1. According to the requirements of the training angle, the angle of the device main body 1 is rotated through the rotating shaft 13, and the rotating wheel 10 is rotated at the same time to drive the first bevel gear 14 and the second bevel gear 15 to rotate, so that the threaded rod 16 While rotating, the nut 19 moves on the threaded rod 16, so that the height of the second support rod 12 can be adjusted. When the nut 19 moves up and down the thread of the threaded rod 16, the slider 18 slides in the sliding groove 17, and the setting of the slider 18 can ensure The nut 19 will not be offset during exercise, and it will stop rotating when it reaches a suitable height, and tennis training can be performed. During training, the ball with insufficient elasticity will fall into the ball receiving box 6, and it can be collected after the training is completed. To avoid the trouble of manual collection, when the elastic force of the rebound net 2 is not enough, it can be disassembled and replaced, and the disassembly is convenient.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution and the utility model concept of the invention are equivalently replaced or changed, and should be covered within the protection scope of the present invention.

Claims (8)

1. A novel tennis training device, comprising a device main body (1), characterized in that a rebound net (2) is provided on the inner side of the device body (1), and a buckle is provided on the outside of the rebound net (2) A ring (3), the outer side of the snap ring (3) is provided with a spring (4), the inner side of the device main body (1) is provided with a chute (5), and the outer side of the chute (5) is provided with a In the ball box (6), a support foot (7) is provided below the device main body (1), a second support rod (12) is provided below the device main body (1), and the second support rod ( 12) A first support rod (11) is provided below the first support rod (11), and anti-skid feet (9) are provided below the first support rod (11). 2. A new type of tennis training device according to claim 1, characterized in that, there are two of the support feet (7), which are respectively arranged at both ends of the device main body (1), and the support feet ( 7) The inner side is provided with a rotating shaft (13), and the supporting feet (7) are connected to the main body (1) by rotating the rotating shaft (13). 3. A new type of tennis training device according to claim 1, wherein the spring (4) is a member made of carbon steel and alloy steel, and the spring (4) is provided with four in total, They are respectively placed on the inner side of the device body (1), and four snap rings (3) are provided in total, which are respectively placed on the inner side of the spring (4), and the snap rings (3) are fixedly connected by the spring (4). Device body (1). 4. A new type of tennis training device according to claim 1, wherein a groove is provided on the inner side of the snap ring (3), and a moving block (21) is provided on the inner side of the groove, and the A snap ring (22) is provided on the inner side of the snap ring (3), the moving block (21) is slidably connected to the snap ring (3) through the snap ring (22), and the snap ring (22) corresponds to the snap ring ( 3) A snap groove (23) is provided, and the snap ring (22) is snapped and connected to the snap groove (23). 5 . The new tennis training device according to claim 1 , wherein a built-in groove ( 24 ) is provided on the inner side of the device main body ( 1 ). 6 . 6. A new type of tennis training device according to claim 1, characterized in that a connecting rod (8) is provided on the outer side of the first support rod (11), and a connecting rod (8) is provided on the outer side of the connecting rod (8). A rotating wheel (10), the rotating wheel (10) is rotatably connected to the first support rod (11) through the connecting rod (8), the inner side of the rotating wheel (10) is provided with a first bevel gear (14), the A second bevel gear (15) is arranged above the first bevel gear (14), the first bevel gear (14) and the second bevel gear (15) are vertically connected, and the first bevel gear (14) is connected to the first bevel gear (14) and the second bevel gear (15). Both the two bevel gears (15) are made of a flat-topped conical metal material, and the first bevel gear (14) is meshed and connected to the second bevel gear (15). 7 . The new tennis training device according to claim 6 , wherein a threaded rod ( 16 ) is provided above the second bevel gear ( 15 ), and a threaded rod ( 16 ) is provided above the threaded rod ( 16 ). 8 . A fixing block (20), the threaded rod (16) is rotatably connected to the first bevel gear (14) through the second bevel gear (15), a nut (19) is provided on the outside of the threaded rod (16), and the nut ( 19) Screw the sliding groove (17). 8. A new tennis training device according to claim 7, characterized in that a slider (18) is provided on the outer side of the nut (19), and a sliding groove (18) is provided on the outer side of the slider (18). 17), the slider (18) is slidably connected to the sliding groove (17) through the nut (19), and the second support rod (12) is slidably connected to the threaded rod (16) through the nut (19).

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