CN215136717U

CN215136717U - Tennis racket swinging exercise device

Info

Publication number: CN215136717U
Application number: CN202121004034.XU
Authority: CN
Inventors: 朱继伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-12-14
Anticipated expiration: 2031-05-11

Abstract

The utility model belongs to the technical field of the tennis exercise, concretely relates to tennis bat exercise device, exercise device includes: screen cloth, energy storage board, springboard, support one, support two. One side of the screen cloth is provided with a hitting area. The energy storage plate is fixed with one end of the screen cloth. The springboard is fixed with the other end of the screen cloth, and the energy storage board and the springboard are positioned on the same side of the screen cloth with the hitting area. One end of the first support is connected with the energy storage plate, and the other end of the first support is a ground support end. One end of the second support is connected with the springboard, the other end of the second support is a ground supporting end II, two sides of the second support are respectively and rotatably connected with two sides of the first support to form a crossed support jointly supported by the first ground supporting end and the second ground supporting end, and the hitting area is located on one side, away from the crossed support, of the mesh cloth. The utility model provides the effect of tennis bat exercise has been promoted to the dismouting of being convenient for of integrated device removes, and it is comparatively convenient to use.

Description

Tennis racket swinging exercise device

Technical Field

The utility model belongs to the technical field of the tennis exercise, concretely relates to tennis bat exercise device.

Background

Tennis is one of the ball games. Tennis beginners are generally difficult to adapt to tennis grounds in a short time, so that the tennis beginners are inconvenient to practice along with basic swinging actions. The conventional tennis beginners practice tennis through rebounding tennis through the wall, but the wall is perpendicular to the ground, so that the rebounding angle and the rebounding effect of the tennis are too different from those in actual combat, and the tennis beginners are not favorable for effectively practicing the swing action.

SUMMERY OF THE UTILITY MODEL

For solving the current relatively poor technical problem of effect of waving the bat exercise through wall bounce tennis, the utility model provides a tennis waves bat exercise device.

The utility model discloses a following technical scheme realizes:

a tennis swing practice apparatus, the practice apparatus comprising: screen cloth, energy storage board, springboard, support one, support two. One side of the screen cloth is provided with a hitting area. The energy storage plate is fixed with one end of the screen cloth. The springboard is fixed with the other end of the screen cloth, and the energy storage board and the springboard are positioned on the same side of the screen cloth with the hitting area. One end of the first support is connected with the energy storage plate, and the other end of the first support is a ground support end. One end of the second support is connected with the springboard, the other end of the second support is a ground supporting end II, two sides of the second support are respectively and rotatably connected with two sides of the first support to form a crossed support jointly supported by the first ground supporting end and the second ground supporting end, and the hitting area is located on one side, away from the crossed support, of the mesh cloth.

Furthermore, two connecting blocks are symmetrically fixed at the top of the first support. One end of each connecting block is provided with a first slot. One side of the energy storage plate is symmetrically and fixedly connected with two first inserting blocks corresponding to the two first inserting grooves respectively. One end of each plug-in block I, which is far away from the energy storage plate, is plugged in the corresponding slot I.

Furthermore, the first support is perpendicular to the first two insertion blocks. And a locking bolt III corresponding to one of the first inserting blocks is arranged on each connecting block.

Furthermore, two slots II are symmetrically formed in the top of the second support. One side of the springboard is symmetrically and fixedly connected with two inserting blocks II which respectively correspond to the two inserting grooves II. One end of each second inserting block, which is far away from the springboard, is inserted into the corresponding second inserting groove.

Furthermore, the shape of the hitting area simulates a service area, a sideline and a bottom line of a real tennis court, and the hitting area is printed on the surface of the mesh cloth in an equal-proportion shrinking mode.

Furthermore, the first support and the second support are both of telescopic structures. The first bracket is provided with at least two groups of first locking parts along the self telescopic direction. And the second bracket is provided with at least one second locking part along the self telescopic direction.

Further, each group of locking pieces comprises two locking bolts I which are symmetrically arranged. Each group of locking pieces comprises two locking bolts II which are symmetrically arranged.

Furthermore, an included angle alpha is formed between one side of the energy storage plate and the net cloth. The included angle alpha is 70-80 degrees. An included angle beta is formed between one side of the springboard and the screen cloth. The included angle beta is 110-120 degrees.

Furthermore, a plurality of cross rods which are parallel to each other are arranged on the first support.

Further, the exercise device further comprises: and the fixing mechanism is arranged on one side of the intersection of the first bracket and the second bracket. The fixing mechanism comprises a U-shaped block, a stop pin and an elastic piece. The U-shaped block is fixed on one side of the first bracket. Through holes are symmetrically formed in two ends of the U-shaped block. One end of the stop pin penetrates through the two through holes in a sliding mode and is abutted to the second bracket. One end of the elastic piece is fixed with the stop pin, and the other end of the elastic piece is fixed with one side of the U-shaped block.

The utility model provides a pair of tennis racket swinging exercise device has following beneficial effect:

1. this tennis swing exercise device is through setting up hitting the district on the screen cloth, and the help practitioner hits the ball exercise with the eyes to can help the practitioner to judge and contrast the height of returning the ball. By arranging the energy storage plate, the rebound force and speed of the tennis ball are increased, and the real tennis match scene is simulated. The bouncing height of the tennis ball is increased by arranging the bouncing plate, and the length of the first support can be adjusted to control the tension of the net cloth and adjust the bouncing angle of the tennis ball. The rebound of tennis is highly stable, which is beneficial to practice of swing. In addition, the user only needs a tennis just to realize the exercise of waving the bat of multifrequency time when using this exercise device to do not need the supplementary ball feeding of other people, it is comparatively convenient to operate during the use, and the user can comparatively free autonomic training.

2. This tennis racket swinging exercise device is through setting up support one, support two that can relative pivoted to and the screen cloth that can the rolling, makes the collapsible folding of whole device, is convenient for accomodate, and easy dismounting is fit for one-man operation, and is nimble light. The tennis swing practice device is suitable for indoor and outdoor use, and can regulate and control the flying distance of tennis according to different sizes of indoor and outdoor training spaces. The training device can be used all the year round and has strong weather resistance.

3. The training device has lower overall cost, is economical and practical, can be purchased and used by beginners to professional tennis players, and has stronger applicability.

Drawings

Fig. 1 is a schematic perspective view of a tennis swing practice device according to a preferred embodiment of the present invention;

FIG. 2 is a schematic perspective view of another perspective of the tennis swing practice apparatus of FIG. 1;

FIG. 3 is a schematic perspective view of the bracket I in FIG. 1;

FIG. 4 is a schematic perspective view of a second bracket in FIG. 1;

FIG. 5 is an enlarged view of the structure at A in FIG. 1;

FIG. 6 is a left side view of the tennis swing practice apparatus of FIG. 1;

FIG. 7 is an enlarged view of the structure of FIG. 6 at C;

FIG. 8 is an enlarged view of the structure of FIG. 6 at D;

fig. 9 is an enlarged schematic view of B in fig. 2.

Labeled as:

1. a first bracket; 2. a second bracket; 3. connecting blocks; 4. a first slot; 5. a second slot; 6. an energy storage plate; 7. inserting a first block; 8. a springboard; 9. inserting a second block; 10. screen cloth; 11. locking a bolt III; 12. a first locking part; 121. locking a first bolt; 13. a second locking member; 131. locking a bolt II; 14. a cross bar; 15. a fixing mechanism; 151. a U-shaped block; 152. a stop pin; 153. an elastic member; 16. a handle; 17. a hitting area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2, the present embodiment provides a tennis swing practicing device, which includes: the device comprises a first support 1, a second support 2, an energy storage plate 6, a springboard 8, a mesh cloth 10 and a fixing mechanism 15.

One side of the net cloth 10 is provided with a hitting area 17, the shape of the hitting area 17 simulates a service area, a sideline and a bottom line of a real tennis court, the hitting area can be reduced and printed on the surface of the net cloth 10 in equal proportion, and the motion of tennis on the net cloth 10 cannot be influenced. The hitting area 17 helps the practitioner determine and compare the ball return height for purposeful, targeted ball hitting practice. As for the position of the hitting area 17 on the mesh fabric 10, it can be confirmed according to a plurality of tests that a range from hitting tennis balls onto the mesh fabric 10 is preset, and after the tennis balls hit the mesh fabric 10 within the preset range, the bouncing speed, the bouncing stability, the flying distance and the flying height of the tennis balls to a practicer can all reach the best values, and then the hitting area 17 is set within the corresponding range.

Referring to fig. 3, one end of the first bracket 1 is connected to the energy storage plate 6, and the other end is a ground support end. Two connecting blocks 3 are symmetrically fixed on the top of the first bracket 1. One end of each connecting block 3 is provided with a slot I4.

Referring to fig. 4, one end of the second bracket 2 is connected to the springboard 8, and the other end is a ground support end two. Two sides of the second support 2 are respectively and rotatably connected with two sides of the first support 1 to form a crossed support which is jointly supported by the first ground supporting end and the second ground supporting end. The hitting region 17 is located on the side of the mesh cloth 10 facing away from the cross-shaped support. In this embodiment, the second bracket 2 and the first bracket 1 are disposed crosswise and rotatably connected by a shaft pin or the like. The top of the second bracket 2 is symmetrically provided with two slots 5.

The first support 1 and the second support 2 can be of telescopic structures. The support 1 is provided with a plurality of cross bars 14 which are parallel to each other in a welding mode and the like, and the volume of the support 1 is longer than that of the support 2 when the support 1 is integrally extended, so that the cross bars 14 play a role in improving the structural strength of the support 1, and the structural strength of the tennis swing exercise device is improved. In addition, the bracket 1 can be provided with at least two groups of locking pieces 12 along the self-expansion direction. The second bracket 2 can be provided with at least one group of second locking parts 13 along the self-telescopic direction. Wherein, each group of the locking pieces 12 comprises two locking bolts 121 which are symmetrically arranged. Each group of the second locking members 13 comprises two second locking bolts 131 which are symmetrically arranged. The length adjustment of the first bracket 1 and the second bracket 2 can be realized by adjusting and arranging the locking bolts in the first locking part 12 and the second locking part 13. After the length of the second bracket 2 is adjusted by the second locking member 13, the overall gradient of the mesh cloth 10 can be changed. After the length of the first bracket 1 is adjusted by the first locking member 12, the tension of the mesh cloth 10 itself can be adjusted. In other words, the longer the rack 1 is extended, the tighter the mesh 10 is stretched, and the shorter the rack 1 is extended, the looser the mesh 10 is.

Referring to fig. 5, the energy storage plate 6 is fixed to one end of the mesh cloth 10. One side of the energy storage plate 6 is symmetrically and fixedly connected with two first inserting blocks 7 which respectively correspond to the two first inserting slots 4. Each first insert block 7 can be fixed with the energy storage plate 6 by means of a plurality of screws or rivets and the like. One end of each plug block I7, which is far away from the energy storage plate 6, is plugged into the corresponding slot I4. The first support 1 is perpendicular to the two first insertion blocks 7. And each connecting block 3 is provided with a locking bolt three 11 corresponding to one of the first inserting blocks 7.

The springboard 8 is fixed with the other end of the mesh cloth 10, and the energy storage board 6 and the springboard 8 are positioned on the same side of the mesh cloth 10 with the hitting area 17. And two inserting blocks II 9 which correspond to the two inserting grooves II 5 respectively are symmetrically and fixedly connected to one side of the springboard 8. One end of each second inserting block 9, which is far away from the springboard 8, is inserted into the corresponding second inserting groove 5.

Referring to fig. 6, 7 and 8, in the present embodiment, an included angle α is formed between one side of the energy storage plate 6 and the mesh cloth 10. The included angle alpha is 70-80 degrees. When the included angle α is too large, the tennis ball easily flies off the surface of the mesh cloth 10 when bouncing back to the mesh cloth 10 from the energy storage plate 6. If the included angle alpha is too small, rebound force is easily consumed, and the rebound speed of the tennis ball from the energy storage plate 6 is too low. An included angle beta is formed between one side of the springboard 8 and the screen cloth 10. The included angle beta is 110-120 degrees. When the included angle β is too large, the tennis ball moves from the net cloth 10 to the springboard 8, and the flying distance is further when the tennis ball rebounds back to the user, so that the user needs to practice tennis swing in a larger space. The included angle beta is too small, so that the flying distance of the tennis is small when the tennis rebounds to the user, and the tennis is not favorable for the user to swing. When the user adjusts the tightness of the mesh cloth 10 by adjusting the first support 1, and the tightness of the mesh cloth 10 changes, the size of the included angle β between the bounce board 8 and the mesh cloth 10 naturally changes, and finally the rebound angle of the tennis ball changes. The user can finely adjust the length of the first support 1 according to the tennis ball rebounding angle actually required, and the adjustment amount suitable for the user can be found.

Referring to fig. 9, the fixing mechanism 15 is installed at one side of the intersection of the first bracket 1 and the second bracket 2. The fixing mechanism 15 includes a U-shaped block 151, a stopper pin 152, and an elastic member 153. The U-shaped block 151 may be fixed to one side of the bracket 1 by welding or the like. Through holes are symmetrically formed in two ends of the U-shaped block 151. One end of the stop pin 152 slides through the two through holes and abuts against the second bracket 2. One end of the elastic member 153 is fixed to the stopper pin 152, and the other end is fixed to one side of the U-shaped block 151. In this embodiment, the elastic member 153 may be made of a spring, which is sleeved on the outside of the blocking pin 152. One end of the stop pin 152 is always positioned at an included angle between the first bracket 1 and the second bracket 2 due to the elastic force of the elastic member 153, so that the first bracket 1 and the second bracket 2 are relatively stably maintained in an 'X' shape after being installed and stand on the ground. The other end of the stopper pin 152 may be fixed with the handle 16, and the elastic force of the elastic member 153 may be overcome by pulling the handle 16, so that the one end of the stopper pin 152 is released from the abutment with the bracket two 2.

The working principle is as follows: before practicing the tennis swing, the user first assembles the tennis swing practicing device. The first and

second supports

1 and 2 are initially folded, and the handle 16 is pulled against the elastic force of the elastic member 153, so that the first and

second supports

1 and 2 are supported in an "X" shape and stand on the ground. After the handle 16 is released, the stopper pin 152 is restored to the original position by the elastic force of the elastic member 153 and is abutted against the bracket two 2. At this time, the stent 1 is not extended.

The mesh cloth 10 can be in a rolling state at the beginning, after the mesh cloth 10 is completely unfolded, the two first insertion blocks 7 are respectively inserted into the corresponding first insertion grooves 4, and the first insertion blocks 7 are locked in the corresponding first insertion grooves 4 by adjusting the third locking bolts 11. And sequentially inserting the two second inserting blocks 9 into the corresponding second inserting grooves 5 respectively in the same operation. At this moment, the net cloth 10 is in a loose state because the length of the support I1 is shorter, and the net surface of the whole net cloth 10 is a cambered surface. The length of the bracket 1 can be extended by adjusting the plurality of groups of the locking pieces 12, so that the mesh cloth 10 gradually tends to be tight. The tensioning degree of the net cloth 10 can be adjusted according to actual practice requirements, so that the ejection angle and the flying distance of the tennis ball can be changed.

After completing the assembly of the tennis swing practice device, the user strikes the tennis ball at the striking area 17 of the net cloth 10 when performing the tennis swing practice. After hitting a certain point on the web 10, the tennis ball continues to roll up the surface of the web 10. When the tennis ball rolls to the highest point and contacts the energy storage plate 6, the tennis ball rebounds and rolls downwards along the surface of the mesh 10 due to the action of the energy storage plate 6. When the tennis ball rolls to the lowest point and contacts the springboard 8, the tennis ball bounces to a certain height and flies to the user due to the action of the springboard 8. The user can swing the bat to practice after the tennis ball falls to the ground and bounces, and can swing the bat to practice for multiple times by using one ball after repeating the above actions.

To sum up, the utility model provides a pair of tennis swing exercise device has following advantage:

1. the tennis swing practice device helps a practicer to hit balls with eyes and practice through arranging the hitting area 17 on the net cloth 10, and helps the practicer to judge and compare the ball returning height. By arranging the energy storage plate 6, the rebound force and speed of the tennis ball are increased, and the real tennis match scene is simulated. The bouncing height of the tennis ball is increased by arranging the bouncing plate 8, and the length of the first support 1 can be adjusted to control the tension of the net cloth 10 and adjust the bouncing angle of the tennis ball. The rebound of tennis is highly stable, which is beneficial to practice of swing. In addition, the user only needs a tennis just to realize the exercise of waving the bat of multifrequency time when using this exercise device to do not need the supplementary ball feeding of other people, it is comparatively convenient to operate during the use, and the user can comparatively free autonomic training.

2. This tennis swing exercise device is through setting up support one 1, support two 2 that can the relative rotation to and the screen cloth 10 that can the rolling, makes the collapsible folding of integrated device, is convenient for accomodate, and easy dismounting is fit for one-man operation, and is nimble light. The tennis swing practice device is suitable for indoor and outdoor use, and can regulate and control the flying distance of tennis according to different sizes of indoor and outdoor training spaces. The training device can be used all the year round and has strong weather resistance.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. An exercise device for tennis racket swinging, the exercise device comprising:

a mesh (10) with a hitting area (17) arranged on one side;

the energy storage plate (6) is fixed with one end of the screen cloth (10);

the bounce board (8) is fixed with the other end of the screen cloth (10), and the energy storage board (6) and the bounce board (8) are positioned on the same side of the screen cloth (10) with the hitting area (17);

one end of the bracket I (1) is connected with the energy storage plate (6), and the other end of the bracket I is a ground supporting end I;

one end of the second support (2) is connected with the springboard (8), the other end of the second support is a ground support end II, and two sides of the second support (2) are respectively rotatably connected with two sides of the first support (1) to form a crossed support supported by the ground support end I and the ground support end II; the hitting area (17) is located on the side of the mesh (10) facing away from the cross-shaped support.

2. The tennis racket swinging practicing device as claimed in claim 1, wherein:

two connecting blocks (3) are symmetrically fixed at the top of the first support (1); one end of each connecting block (3) is provided with a first slot (4);

one side of the energy storage plate (6) is symmetrically and fixedly connected with two first inserting blocks (7) which respectively correspond to the two first inserting slots (4); one end of each plug-in block I (7) far away from the energy storage plate (6) is plugged in the corresponding slot I (4).

3. A tennis racket swinging practice apparatus as defined in claim 2, wherein: the first support (1) is respectively and vertically arranged with the first two inserting blocks (7); and a locking bolt III (11) corresponding to one of the first inserting blocks (7) is arranged on each connecting block (3).

4. A tennis racket practice apparatus as claimed in claim 1 or 2, wherein:

the top of the second bracket (2) is symmetrically provided with two second slots (5);

one side of the springboard (8) is symmetrically and fixedly connected with two second inserting blocks (9) which respectively correspond to the two second inserting slots (5); one end of each second inserting block (9) far away from the springboard (8) is inserted into the corresponding second inserting groove (5).

5. The tennis racket swinging practicing device as claimed in claim 1, wherein: the shape of the hitting area (17) simulates a service area, a sideline and a bottom line of a real tennis court, and the hitting area is printed on the surface of the screen cloth (10) in an equal-proportion shrinking manner.

6. The tennis racket swinging practicing device as claimed in claim 1, wherein: the first support (1) and the second support (2) are both of telescopic structures; at least two groups of locking pieces I (12) are arranged on the bracket I (1) along the self-telescopic direction; at least one group of locking pieces II (13) are arranged on the second bracket (2) along the self-telescopic direction.

7. The tennis racket swinging practicing device as claimed in claim 6, wherein: each group of locking pieces I (12) comprises two locking bolts I (121) which are symmetrically arranged; each group of the second locking parts (13) comprises two second locking bolts (131) which are symmetrically arranged.

8. The tennis racket swinging practicing device as claimed in claim 1, wherein: an included angle alpha is formed between one side of the energy storage plate (6) and the screen cloth (10); the included angle alpha is 70-80 degrees; an included angle beta is formed between one side of the springboard (8) and the screen cloth (10); the included angle beta is 110-120 degrees.

9. The tennis racket swinging practicing device as claimed in claim 1, wherein: the first support (1) is provided with a plurality of cross rods (14) which are parallel to each other.

10. The tennis racket swinging practicing device as claimed in claim 1, wherein: the exercise device further comprises:

the fixing mechanism (15) is arranged on one side of the intersection of the first bracket (1) and the second bracket (2); the fixing mechanism (15) comprises a U-shaped block (151), a stop pin (152) and an elastic piece (153); the U-shaped block (151) is fixed on one side of the first bracket (1); through holes are symmetrically formed in two ends of the U-shaped block (151); one end of the stop pin (152) penetrates through the two through holes in a sliding mode and is abutted to the second bracket (2); one end of the elastic piece (153) is fixed with the stop pin (152), and the other end is fixed with one side of the U-shaped block (151).