Tennis resistance training device

Abstract

The invention provides a tennis resistance training device which comprises an installation structure, a tape structure and a racket structure, the installation structure is suitable for being detachably installed on a stand column of a tennis court purse net, the tape structure is fixedly connected with the installation structure through a supporting beam, and the tail end, extending out of a tape shell, of a tape belt in the tape structure is fixedly connected with a first inserting piece; a second plug connector is fixedly connected to the top of a racket head of a tennis racket in the racket structure, and a first plug connector and the second plug connector are matched in a plug-in mode to apply friction resistance before a practicer waves the tennis racket to beat a tennis ball. After a practicer waves the tennis racket to hit the tennis ball, the first plug connector and the second plug connector are separated from each other through friction resistance released by the tail ends of the first plug connector and the second plug connector. The tennis resistance training device can be freely installed on a stand column of a court purse net through the installation mechanism, after a tennis racket is waved to beat a tennis ball, the insertion pieces are separated from one another through friction resistance released at the tail end, the racket swing force exerting feeling of accelerated release of the tail end of the racket head is achieved, and the experience feeling of a practicer is effectively improved.

Description

Technical Field

[0001] The invention relates to the technical field of sports equipment, in particular to a tennis resistance training device. Background Art

[0002] Tennis is a sport in which a hollow rubber ball is hit with a racket across a net. Tennis has developed rapidly in my country in the past decade and is deeply loved by people. It is known as an elegant sport. Tennis is limited by venue conditions and is highly technical. Choosing tennis for exercise in places with conditions can improve sports awareness, cultivate interest and habits in sports and fitness, and has a good effect on strengthening the physique of practitioners, developing the body, and improving health levels.

[0003] Since tennis is a sport that is not easy to learn, beginners often find it difficult to correctly master the various tennis techniques during the initial learning process because they are not familiar with the properties of tennis. In the process of learning basic tennis techniques, experiencing the force training of tennis techniques is a very important process. In conventional tennis beginner teaching, tennis training devices are generally used to assist in learning tennis techniques. However, the inventors of this application have found through research that the structure of tennis training devices currently on the market is relatively simple. When practitioners are practicing swinging techniques, the existing tennis training devices cannot apply resistance to the swing, so that when the racket is close to the hitting point, the resistance can be released due to the increased force of the swing, so as to experience the swing force feeling of the accelerated release at the end of the racket head, which seriously reduces the experience of the practitioners and is very unfavorable for the independent practice of tennis practitioners. Summary of the invention

[0004] In view of the technical problem that existing tennis trainers are unable to apply resistance to racket swinging so as to release the resistance due to increased force of the swing when the racket is close to the hitting point, thereby achieving the swing force feeling of accelerated release at the end of the racket head, which seriously reduces the practitioner's experience and is very unfavorable for tennis practitioners to practice independently, the present invention provides a tennis resistance trainer.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A tennis resistance trainer comprises a mounting structure, a tape measure structure and a racket structure, wherein the mounting structure is suitable for being detachably mounted on a column of a tennis court fence, the tape measure structure is fixedly connected to the mounting structure via a supporting beam, the end of a tape extending out of a tape measure housing in the tape measure structure is fixedly connected to a first connector, and the top of a racket head of a tennis racket in the racket structure is fixedly connected to a second connector, the diameter of the first connector is greater than the diameter of the second connector, before a trainer swings the tennis racket to hit a tennis ball, the first connector and the second connector are plugged together to apply frictional resistance, and after the trainer swings the tennis racket to hit a tennis ball, the first connector and the second connector are separated from each other by releasing the frictional resistance at the ends.

[0007] Compared with the prior art, the tennis resistance trainer, the mounting structure, the tape measure structure and the racket structure provided by the present invention, on the one hand, can be freely mounted on the upright posts of the tennis court fence through the mounting structure, and the field installation and application are convenient, and multiple equipment can be mounted on the upright posts of the field fence, and the exercisers using the equipment near the fence will not affect the players in the field, and more people can be accommodated in one field for synchronous exercise, and the exercisers can practice movements on the sidelines at any time; on the other hand, the first connector fixedly connected to the end of the tape extending out of the tape measure shell in the tape measure structure is plugged and matched with the second connector fixedly connected to the top of the tennis racket head in the racket structure, so that when the exerciser swings the tennis racket in the racket structure to practice the swinging technique, the first connector and the second connector are plugged and matched. The plug-in cooperation of the two connectors can apply appropriate friction resistance to the practitioner before swinging the tennis racket to hit the tennis ball. During the process of hitting the tennis racket, the tape measure in the tape measure structure can be pulled out and extended, and when the tennis racket is close to the hitting point, the resistance can be disengaged due to the increased force of the swing, and after the practitioner swings the tennis racket to hit the tennis ball, the first connector and the second connector are separated from each other by releasing the friction resistance at the end, so as to feel the swing force feeling of the racket head being accelerated and released, which effectively improves the practitioner's experience. The resistance application method of this trainer is very close to the technical force application method in actual tennis combat. It is an effective training equipment that allows the practitioner to increase the hitting force and feel the end release force by applying resistance to the swing, which is very beneficial for the tennis practitioner to practice independently. This tennis resistance trainer is easy to carry and install, and is very suitable for practitioners to practice a variety of action techniques.

[0008] Further, the mounting structure includes a first connecting member and a second connecting member with a groove-shaped cross-section, mounting holes are provided on two opposite sides of the first connecting member and the second connecting member, mounting bolts are threadedly connected to the mounting holes, groove-shaped members are fixed on the surfaces of the first connecting member and the second connecting member, sliding members are slidably provided in two opposite side walls of the groove-shaped member, and the sliding member is provided with fixing screws connected to the groove-shaped member after sliding is completed, and one end of the support beam is fixedly connected to the sliding member.

[0009] Furthermore, a pressing block adapted to the surface of a column of the court fence is fixedly connected to the end of the screw rod of the mounting bolt.

[0010] Furthermore, the first connector is an insert sleeve, the outer side of the closed end of the insert sleeve is fixedly connected to the steel sheet at the end of the tape by a locking screw, and the inner side of the closed end of the insert sleeve is provided with a plurality of sockets, and the second connector is an insert rod, and a plurality of pins are provided at the front end of the insert rod, and the insert rod is detachably plugged into the insert sleeve through the open end of the insert sleeve, and the pins are correspondingly inserted into the sockets, and the rear end of the insert rod is fixedly connected to the edge of the racket head of the racket structure by a connecting line.

[0011] Furthermore, a first permanent magnet is circumferentially arranged in the body of the insert cylinder, and a second permanent magnet is circumferentially arranged in the body of the insert rod opposite to the first permanent magnet. The first permanent magnet and the second permanent magnet have opposite magnetic properties so as to apply magnetic resistance when the insert rod and the insert cylinder are detachably plugged together. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The present invention is a schematic diagram of the structure of a tennis resistance training device.

[0013] Figure 2 yes Figure 1 A cross-sectional enlarged structural diagram of the first connector and the second connector being plugged in and mated with each other.

[0014] In the figure, 1. mounting structure; 11. first connecting member; 12. second connecting member; 13. mounting bolt; 14. grooved member; 15. sliding member; 16. fixing screw; 17. pressing block; 2. measuring tape structure; 21. measuring tape; 22. first connector; 221. socket; 222. first permanent magnet; 3. racket structure; 31. racket head; 32. second connector; 321. pin; 322. second permanent magnet; 4. supporting beam. DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific diagrams.

[0016] In the description of the present invention, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0017] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0018] Please refer to Figure 1As shown, the present invention provides a tennis resistance training device, including a mounting structure 1, a tape measure structure 2 and a racket structure 3, wherein the mounting structure 1 is suitable for being detachably mounted on a column of a tennis court fence, the tape measure structure 2 is fixedly connected to the mounting structure 1 through a support beam 4, the end of a tape 21 extending out of a tape measure housing in the tape measure structure 2 is fixedly connected to a first connector 22, the top of a racket head 31 of a tennis racket in the racket structure 3 is fixedly connected to a second connector 32, the diameter of the first connector 22 is greater than the diameter of the second connector 32, before a trainer swings a tennis racket to hit a tennis ball, the first connector 22 and the second connector 32 are plugged together to apply friction resistance, and after a trainer swings a tennis racket to hit a tennis ball, the first connector 22 and the second connector 32 are separated from each other by releasing friction resistance at the end. The tape measure in the tape measure structure 2 can be implemented by using a leather tape measure similar to an existing one, and the tape measure can be fixedly connected to the support beam 4 through a groove preset on the support beam 4.

[0019] Compared with the prior art, the tennis resistance trainer, the mounting structure, the tape measure structure and the racket structure provided by the present invention, on the one hand, can be freely mounted on the upright posts of the tennis court fence through the mounting structure, and the field installation and application are convenient, and multiple equipment can be mounted on the upright posts of the field fence, and the exercisers using the equipment near the fence will not affect the players in the field, and more people can be accommodated in one field for synchronous exercise, and the exercisers can practice movements on the sidelines at any time; on the other hand, the first connector fixedly connected to the end of the tape extending out of the tape measure shell in the tape measure structure is plugged and matched with the second connector fixedly connected to the top of the tennis racket head in the racket structure, so that when the exerciser swings the tennis racket in the racket structure to practice the swinging technique, the first connector and the second connector are plugged and matched. The plug-in cooperation of the two connectors can apply appropriate friction resistance to the practitioner before swinging the tennis racket to hit the tennis ball. During the process of hitting the tennis racket, the tape measure in the tape measure structure can be pulled out and extended, and when the tennis racket is close to the hitting point, the resistance can be disengaged due to the increased force of the swing, and after the practitioner swings the tennis racket to hit the tennis ball, the first connector and the second connector are separated from each other by releasing the friction resistance at the end, so as to feel the swing force feeling of the racket head being accelerated and released, which effectively improves the practitioner's experience. The resistance application method of this trainer is very close to the technical force application method in actual tennis combat. It is an effective training equipment that allows the practitioner to increase the hitting force and feel the end release force by applying resistance to the swing, which is very beneficial for the tennis practitioner to practice independently. This tennis resistance trainer is easy to carry and install, and is very suitable for practitioners to practice a variety of action techniques.

[0020] As a specific example, please refer to Figure 1As shown, the mounting structure 1 includes a first connecting member 11 and a second connecting member 12 with a groove-shaped cross section. The first connecting member 11 and the second connecting member 12 are provided with mounting holes on two opposite sides. The mounting holes are threadedly connected with mounting bolts 13. Therefore, when the tennis resistance trainer needs to be installed on the pillars of the tennis court fence, the mounting bolts 13 can be rotated to make the ends of the screws in the mounting bolts closely contact with the pillars of the tennis court fence, so that the mounting structure 1 can be detachably installed with the pillars of the tennis court fence. A groove-shaped member 14 is fixed on the surface, and sliding members 15 can be slidably arranged in the two opposite side walls of the groove-shaped member 14. Specifically, sliding grooves can be set on the two opposite side walls of the groove-shaped member 14, and sliding rails are set on both sides of the sliding member 15. The sliding arrangement of the sliding member 15 and the groove-shaped member 14 is realized by cooperating between the sliding grooves and the sliding rails. The sliding member 15 is equipped with a fixing screw 16 connected to the groove-shaped member 14 after sliding is completed to prevent the sliding member 15 from sliding freely on the groove-shaped member 14. One end of the support beam 4 is fixedly connected to the sliding member 15, such as being welded. By adopting the installation structure 1 provided in this embodiment, the practitioner can adjust the installation height by sliding the sliding member 15 on the groove member 14 according to needs, and then adjust the height of the hitting point. Specifically, the height can be adjusted near the waist to practice forehand and backhand hitting techniques, or the height can be adjusted above the shoulder to practice serving and high pressure techniques, and the height can also be adjusted near the shoulder to practice net volleying techniques. It can basically cover all technical exercises of tennis, which is suitable for beginners to experience the use of tennis techniques, and can also be used as a technical warm-up and improvement technique for practitioners with a certain level.

[0021] As a specific example, please refer to Figure 1 As shown, the screw end of the mounting bolt 13 is fixedly connected with a pressing block 17 adapted to the surface of the column of the tennis court fence. The pressing block 17 can be specifically configured to be flat or arc-shaped, so that it can contact and adapt to the surface of the square or circular column respectively, thereby improving the firmness of the installation connection between the mounting mechanism 1 and the column of the tennis court fence.

[0022] As a specific example, please refer to Figure 1 and Figure 2As shown, the first connector 22 is a sleeve, the outer side of the closed end of the sleeve is fixedly connected to the steel sheet at the end of the tape 21 by a locking screw, and the inner side of the closed end of the sleeve is provided with a plurality of holes 221, and the second connector 32 is a rod (sleeve rod), and a plurality of pins 321 are provided at the front end of the rod. The rod is detachably plugged into the sleeve through the open end of the sleeve, and the pins 321 are correspondingly inserted into the holes 221, and the rear end of the rod is fixedly connected to the edge of the racket head 31 of the racket structure 3 by a metal connecting wire. The structural design in this embodiment, through the plug-in cooperation of the rod and the sleeve, and the plug-in cooperation of the pin and the socket, can ensure that when the rod is pulled out of the sleeve and the pin is pulled out of the socket, the total friction resistance between the surface of the rod and the surrounding sleeve, as well as between the pin and the surrounding socket, i.e., the anti-pull-out friction resistance, is applied by the plug-in cooperation of the first connector 22 and the second connector 32 before the practitioner swings the tennis racket to hit the tennis ball. This resistance helps to resist the outward pulling force of the second connector 32, and the resistance application method is very close to the technical force application method in actual tennis combat.

[0023] As a specific example, please refer to Figure 2 As shown, a first permanent magnet 222 is arranged circumferentially in the barrel of the inserting tube, and a second permanent magnet 322 is arranged circumferentially in the shaft of the inserting rod, which is directly opposite to the first permanent magnet 222. The first permanent magnet 222 and the second permanent magnet 322 have opposite magnetic properties, so as to apply magnetic resistance when the inserting rod and the inserting tube are removably plugged in and matched. Specifically, the first permanent magnet 222 can be set as an N-pole permanent magnet, and the corresponding second permanent magnet 322 is an S-pole permanent magnet. In this embodiment, a first permanent magnet and a second permanent magnet with opposite magnetic properties are arranged, and the opposite magnetic properties will attract each other to generate an attractive magnetic force, which is used as the magnetic resistance applied by the first connector 22 and the second connector 32 before the practitioner swings the tennis racket to hit the tennis ball. The magnetic resistance and the aforementioned friction resistance are applied together as resistance, thereby making the range of resistance application larger, and thus making the resistance application method closer to the technical force application method in actual tennis combat. After a swing technique exercise is completed, the first connector 22 and the second connector 32 are plugged in and matched again, and the magnetic resistance and the friction resistance can be applied together as resistance to perform tennis resistance training.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A tennis resistance training device, characterized in that: The invention comprises a mounting structure, a tape measure structure and a racket structure, wherein the mounting structure is suitable for being detachably mounted on a column of a tennis court fence, the tape measure structure is fixedly connected to the mounting structure via a supporting beam, the end of a tape extending out of a tape measure housing in the tape measure structure is fixedly connected to a first connector, and the top of a racket head of a tennis racket in the racket structure is fixedly connected to a second connector, the diameter of the first connector is greater than the diameter of the second connector, before a practitioner swings the tennis racket to hit a tennis ball, the first connector and the second connector are plugged together to apply friction resistance, and after the practitioner swings the tennis racket to hit a tennis ball, the first connector and the second connector are separated from each other by releasing friction resistance at the ends.

2. The tennis resistance training device according to claim 1, characterized in that: The mounting structure includes a first connecting member and a second connecting member with a groove-shaped cross-section, mounting holes are provided on two opposite sides of the first connecting member and the second connecting member, mounting bolts are threadedly connected to the mounting holes, groove-shaped members are fixed on the surfaces of the first connecting member and the second connecting member, sliding members are slidably provided in two opposite side walls of the groove-shaped member, and the sliding member is provided with a fixing screw connected to the groove-shaped member after sliding is completed, and one end of the support beam is fixedly connected to the sliding member.

3. The tennis resistance training device according to claim 2, characterized in that: The end of the screw rod of the mounting bolt is fixedly connected with a pressing block which is matched with the surface of the column of the court fence.

4. The tennis resistance training device according to claim 1, characterized in that: The first connector is an insert sleeve, the outer side of the closed end of the insert sleeve is fixedly connected to the steel sheet at the end of the tape by a locking screw, and the inner side of the closed end of the insert sleeve is provided with a plurality of insertion holes, and the second connector is an insert rod, and a plurality of insertion pins are provided at the front end of the insert rod, and the insert rod is detachably plugged into the insert sleeve through the open end of the insert sleeve, and the insertion pins are correspondingly inserted into the insertion holes, and the rear end of the insert rod is fixedly connected to the edge of the racket head of the racket structure by a connecting line.

5. The tennis resistance training device according to claim 4, characterized in that: A first permanent magnet is circumferentially arranged in the body of the insert cylinder, and a second permanent magnet is circumferentially arranged in the body of the insert rod opposite to the first permanent magnet. The first permanent magnet and the second permanent magnet have opposite magnetic properties so as to apply magnetic resistance when the insert rod and the insert cylinder are detachably plugged in.

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