A telescopic tennis trainer

Abstract

The utility model relates to the technical field of tennis training device, concretely relates to a telescopic tennis training device, adopts telescopic link, counterweight foot stand, suspension rod, detachable setting in the suspension rope of telescopic link close to counterweight foot stand one end and the training ball connected in suspension rope, the lateral wall fixed connection of suspension rod has at least one hanging ring, one of hanging ring sets up in the end of suspension rod far from telescopic link, the end of suspension rope penetrates hanging ring and is connected with training ball in proper order, by this, on one hand, can adjust the height of suspension rod through telescopic link telescopic, and then adjusts the height of training ball that suspension rope hangs, on the other hand, can make training ball close to / far from hanging ring through the pulling / release of a certain length of suspension rope again binding after setting in telescopic link close to counterweight foot stand one end of suspension rope, to adjust the height of training ball, that is to say, the suspension height of training ball can be adjusted by telescopic link and suspension rope, more convenient and fast, and it is favorable to satisfy the training of multiple hitting point positions.

Description

Technical Field

[0001] This utility model relates to the field of tennis training equipment technology, specifically to a telescopic tennis training equipment. Background Technology

[0002] A tennis trainer is an auxiliary training device consisting of a high-elasticity rubber band, a tennis ball, and a pressure carrier. When in use, the pressure carrier is fixed in place, and the tennis ball, when hit, bounces back through the rubber band, creating a self-launching effect, allowing for independent practice by a single person. This type of trainer solves the problem of traditional tennis training relying on a sparring partner, improves practice efficiency, and is suitable for daily practice as it is not limited by location.

[0003] Most existing tennis training devices suspend the tennis ball in a fixed position at a fixed height, making it difficult to adjust the suspension height and thus failing to meet the training needs of multiple hitting points. Summary of the Invention

[0004] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide a telescopic tennis training device.

[0005] The purpose of this utility model is achieved through the following technical solution: a telescopic tennis training device, comprising a telescopic rod, a counterweight bracket detachably connected to the bottom of the telescopic rod, a suspension rod connected to the top of the telescopic rod, a suspension rope detachably disposed at the end of the telescopic rod near the counterweight bracket, and a training ball connected to the suspension rope. At least one hanging ring is fixedly connected to the side wall of the suspension rod, one of the hanging rings being disposed at the end of the suspension rod away from the telescopic rod. The end of the suspension rope passes through the hanging ring in sequence and is connected to the training ball.

[0006] Preferably, the number of hanging rings is at least two, one of which is located at the end of the suspension rod away from the telescopic rod, and the other is located on the suspension rod near the connection between the suspension rod and the telescopic rod.

[0007] Preferably, the telescopic rod includes at least two telescopic tubes that are inserted into each other, and an adjusting joint disposed between two adjacent telescopic tubes, the adjusting joint being used to adjust the tightness between the two adjacent telescopic tubes.

[0008] Preferably, the adjusting joint includes a threaded sleeve fixedly sleeved on one end of a telescopic tube near one end of another telescopic tube, and a threaded locking tube movably sleeved on the other telescopic tube near one end of a telescopic tube, wherein the threaded locking tube and the threaded sleeve are threadedly locked together.

[0009] Preferably, the telescopic rod is externally fixedly connected to a barb near the counterweight bracket end, and the suspension rope is detachably bound to the telescopic rod via the barb.

[0010] Preferably, the counterweight bracket includes a base and at least three counterweight legs arranged in a ring and hinged to the base. The base has an insertion hole in the middle, and the telescopic tube can be detachably inserted into the insertion hole.

[0011] Preferably, the side wall of the base is provided with a first screw hole communicating with the insertion hole, and the counterweight bracket also includes a hand screw, the hand screw having its thread passing through the first screw hole and abutting against and fixing with the telescopic tube.

[0012] Preferably, the base has a mounting clearance hole on its side wall, the inner wall of the base that is hinged to the counterweight leg tube has a mounting hole that communicates with the mounting clearance hole, the counterweight leg tube has a second screw hole that communicates with the mounting hole, the counterweight leg also includes a fastening screw, the fastening screw passes through the mounting hole and is threaded to the second screw hole, and the mounting clearance hole is used to allow a screwdriver to be inserted and tightened in the second screw hole when fastening / adjusting the counterweight leg tube.

[0013] Preferably, the counterweight foot tube is a solid steel tube.

[0014] In another preferred embodiment, the counterweight foot tube is a hollow tube, and the counterweight foot tube is filled with a solid iron rod.

[0015] The beneficial effects of this utility model are as follows: The telescopic tennis trainer of this utility model adopts a telescopic rod, a counterweight bracket detachably connected to the bottom of the telescopic rod, a suspension rod connected to the top of the telescopic rod, a suspension rope detachably set at the end of the telescopic rod near the counterweight bracket, and a training ball connected to the suspension rope. At least one hanging ring is fixedly connected to the side wall of the suspension rod, one of which is set at the end of the suspension rod away from the telescopic rod. The end of the suspension rope passes through the hanging ring and is connected to the training ball. In this way, on the one hand, the height of the suspension rod can be adjusted by telescopically extending and retracting the telescopic rod, thereby adjusting the height of the training ball suspended by the suspension rope. On the other hand, by pulling / releasing a certain length of the suspension rope from the end of the telescopic rod near the counterweight bracket and then re-binding it, the height of the training ball can be adjusted by moving the training ball closer to / away from the hanging ring. In other words, both the telescopic rod and the suspension rope can adjust the suspension height of the training ball, which is more convenient and faster, and is conducive to meeting the training of multiple hitting points. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 yes Figure 1 Enlarged diagram of A in the middle;

[0018] Figure 3 This is a partially exploded and enlarged schematic diagram of this utility model;

[0019] Figure 4This is a partially exploded and enlarged schematic diagram from another perspective of this utility model;

[0020] Figure 5 This is an exploded view of the adjustable tension joint described in this utility model.

[0021] The attached diagram is labeled as follows: 1. Suspension rod; 2. Suspension rope; 3. Training ball; 4. Telescopic rod; 41. Telescopic tube; 42. Adjusting tension joint; 421. Threaded sleeve; 422. Threaded locking tube; 5. Counterweight leg; 51. Base; 52. Counterweight leg tube; 53. Hand screw; 54. Fastening screw; 6. Hanging ring; 7. Barb; 8. First screw hole; 9. Installation clearance hole; 10. Mounting hole; 11. Second screw hole. Detailed Implementation

[0022] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to embodiments and accompanying drawings. The content mentioned in the embodiments is not intended to limit the present invention.

[0023] like Figure 1-5 As shown, a telescopic tennis training device includes a telescopic rod 4, a counterweight stand 5 detachably connected to the bottom of the telescopic rod 4, a suspension rod 1 connected to the top of the telescopic rod 4, a suspension rope 2 detachably disposed at the end of the telescopic rod 4 near the counterweight stand 5, and a training ball 3 connected to the suspension rope 2. At least one hanging ring 6 is fixedly connected to the side wall of the suspension rod 1, one of the hanging rings 6 being disposed at the end of the suspension rod 1 away from the telescopic rod 4. The end of the suspension rope 2 passes through the hanging ring 6 in sequence and is connected to the training ball 3.

[0024] This telescopic tennis trainer comprises a telescopic rod 4, a counterweight bracket 5 detachably connected to the bottom of the telescopic rod 4, a suspension rod 1 connected to the top of the telescopic rod 4, a suspension rope 2 detachably located at the end of the telescopic rod 4 near the counterweight bracket 5, and a training ball 3 connected to the suspension rope 2. At least one hanging ring 6 is fixedly connected to the side wall of the suspension rod 1, with one hanging ring 6 located at the end of the suspension rod 1 away from the telescopic rod 4. The end of the suspension rope 2 passes through the hanging ring 6 and is connected to the training ball 3. Thus, on the one hand, the height of the suspension rod 1 can be adjusted by extending and retracting the telescopic rod 4, thereby adjusting the height of the training ball 3 suspended by the suspension rope 2. On the other hand, by pulling / releasing a certain length of the suspension rope 2 from the end of the telescopic rod 4 near the counterweight bracket 5 and then re-binding it, the height of the training ball 3 can be adjusted by moving it closer to or further away from the hanging ring 6. In other words, both the telescopic rod 4 and the suspension rope 2 can adjust the suspension height of the training ball 3, making it more convenient and faster, and beneficial for training multiple hitting points.

[0025] Furthermore, the number of hanging rings 6 is at least two. One hanging ring 6 is located at the end of the suspension rod 1 away from the telescopic rod 4, and the other hanging ring 6 is located on the suspension rod 1 and near the connection between the suspension rod 1 and the telescopic rod 4. In this embodiment, the number of hanging rings 6 is two, namely a first hanging ring 6 and a second hanging ring 6. The first hanging ring 6 is located at the end of the suspension rod 1 away from the telescopic rod 4, and the second hanging ring 6 is located on the suspension rod 1 and near the connection between the suspension rod 1 and the telescopic rod 4. The end of the suspension rope 2 passes through the second hanging ring 6 and the first hanging ring 6 sequentially along the suspension rod 1 and is connected to the training ball 3.

[0026] Furthermore, the telescopic rod 4 includes at least two interconnected telescopic tubes 41, and an adjusting joint 42 disposed between adjacent telescopic tubes 41. The adjusting joint 42 is used to adjust the tightness between adjacent telescopic tubes 41. In this embodiment, the number of telescopic tubes 41 is four, and adjacent telescopic tubes 41 are interconnected. This interconnection allows for adjustment of the height of the telescopic rod 4 and facilitates its storage and transfer.

[0027] Furthermore, the adjustable tension connector 42 includes a threaded sleeve 421 fixedly sleeved on one end of a telescopic tube 41 near the other telescopic tube 41, and a threaded locking tube 422 movably sleeved on the other end of a telescopic tube 41 near the first telescopic tube 41. The threaded locking tube 422 and the threaded sleeve 421 are threadedly locked together, facilitating the telescopic rod 4's extension and retraction adjustment. This adjustable tension connector 42 is a commercially available type. Its specific structure will not be detailed here, but its structure and principle can be found in the application CN202020379784.4, which describes a telescopic rod 4 connector for easy height adjustment of shelves.

[0028] Furthermore, a barb 7 is fixedly connected to the outside of the telescopic rod 4 near the counterweight stand 5. The suspension rope 2 is detachably bound to the telescopic rod 4 through the barb 7. One end of the suspension rope 2 is pulled / released for a certain length and then bound to the barb 7 in order to adjust the suspension height of the training ball 3.

[0029] Furthermore, the counterweight stand 5 includes a base 51 and at least three counterweight leg tubes 52 arranged in a ring and hinged to the base 51. The base 51 has an insertion hole in the middle, and the telescopic tube 41 can be detachably inserted into the insertion hole.

[0030] Furthermore, the side wall of the base 51 is provided with a first screw hole 8 that communicates with the insertion hole. The counterweight bracket 5 also includes a hand screw 53, which is threaded through the first screw hole 8 and abuts against the telescopic tube 41 for fixing. The counterweight bracket 5 is installed and fixed / removed from the telescopic tube 41 by tightening the hand screw 53.

[0031] Furthermore, the base 51 has a mounting clearance hole 9 on its side wall, and the inner wall of the base 51 that is hinged to the counterweight leg tube 52 has a mounting hole 10 that communicates with the mounting clearance hole 9. The counterweight leg tube 52 has a second screw hole 11 that communicates with the mounting hole 10. The counterweight leg 5 also includes a fastening screw 54, which passes through the mounting hole 10 and is threaded to the second screw hole 11. The mounting clearance hole 9 is used to allow a screwdriver to be inserted and the second screw hole 11 to be turned when fastening / adjusting the counterweight leg tube 52. By adopting the above technical solution, it is beneficial to adjust the support height of the positioning counterweight leg tube 52.

[0032] In this embodiment, the counterweight leg tube 52 is a solid steel tube, which helps to increase the weight of the counterweight frame 5. In other embodiments, the counterweight leg tube 52 is a hollow tube, and the counterweight leg tube 52 is filled with a solid iron rod.

[0033] The above embodiments are preferred implementations of this utility model. In addition, this utility model can also be implemented in other ways. Any obvious substitutions without departing from the concept of this utility model are within the protection scope of this utility model.

Claims

1. A telescopic tennis training device, characterized in that: The device includes a telescopic pole, a counterweight bracket detachably connected to the bottom of the telescopic pole, a suspension rod connected to the top of the telescopic pole, a suspension rope detachably installed at the end of the telescopic pole near the counterweight bracket, and a training ball connected to the suspension rope. At least one hanging ring is fixedly connected to the side wall of the suspension rod, one of which is located at the end of the suspension rod away from the telescopic pole. The end of the suspension rope passes through the hanging ring and is connected to the training ball.

2. The telescopic tennis training device according to claim 1, characterized in that: The number of hanging rings is at least two, with one hanging ring located at the end of the suspension rod away from the telescopic rod, and the other hanging ring located on the suspension rod and near the connection between the suspension rod and the telescopic rod.

3. The telescopic tennis training device according to claim 1, characterized in that: The telescopic rod includes at least two telescopic tubes that are inserted into each other, and an adjusting joint disposed between two adjacent telescopic tubes. The adjusting joint is used to adjust the tightness between the two adjacent telescopic tubes.

4. A telescopic tennis training device according to claim 3, characterized in that: The adjustable tension joint includes a threaded sleeve fixedly sleeved on one end of a telescopic tube near the other telescopic tube, and a threaded locking tube movably sleeved on the other telescopic tube near the other telescopic tube. The threaded locking tube and the threaded sleeve are threadedly locked together.

5. A telescopic tennis training device according to claim 1, characterized in that: The telescopic rod has a barb fixedly connected to the outside of the end near the counterweight bracket, and the suspension rope is detachably bound to the telescopic rod via the barb.

6. A telescopic tennis training device according to claim 3, characterized in that: The counterweight bracket includes a base and at least three counterweight legs arranged in a ring and hinged to the base. The base has a socket in the middle, and the telescopic tube can be detachably inserted into the socket.

7. A telescopic tennis training device according to claim 6, characterized in that: The base has a first screw hole on its side wall that communicates with the insertion hole. The counterweight bracket also includes a hand screw, which is threaded through the first screw hole and abuts against the telescopic tube for fixation.

8. A telescopic tennis training device according to claim 6, characterized in that: The base has a mounting clearance hole on its side wall. The inner wall of the base that is hinged to the counterweight leg tube has a mounting hole that communicates with the mounting clearance hole. The counterweight leg tube has a second screw hole that communicates with the mounting hole. The counterweight leg also includes a fastening screw. The fastening screw passes through the mounting hole and is threaded into the second screw hole. The mounting clearance hole is used to allow a screwdriver to be inserted and turned in the second screw hole when fastening / adjusting the counterweight leg tube.

9. A telescopic tennis training device according to claim 6, characterized in that: The counterweight foot tubes are made of solid steel pipes.

10. A telescopic tennis training device according to claim 6, characterized in that: The counterweight foot tube is a hollow tube, and the inside of the counterweight foot tube is filled with a solid iron rod.

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