CN212548217U - Tennis training device - Google Patents

Tennis training device Download PDF

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Publication number
CN212548217U
CN212548217U CN202021361864.3U CN202021361864U CN212548217U CN 212548217 U CN212548217 U CN 212548217U CN 202021361864 U CN202021361864 U CN 202021361864U CN 212548217 U CN212548217 U CN 212548217U
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CN
China
Prior art keywords
rod
adjusting rod
tennis
cross
elastic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021361864.3U
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Chinese (zh)
Inventor
李博
刘阳
阳艺武
韩姗姗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai University of Sport
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Shanghai University of Sport
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai University of Sport filed Critical Shanghai University of Sport
Priority to CN202021361864.3U priority Critical patent/CN212548217U/en
Application granted granted Critical
Publication of CN212548217U publication Critical patent/CN212548217U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a sports training equipment technical field especially relates to a tennis training ware. The tennis training device comprises: a base; the lower end of the vertical rod is fixedly connected with the base; the upper end of the vertical rod is connected with the first end of the cross rod; the rotating ring is arranged on the outer side of the second end of the cross rod and rotates around the cross rod; the first end of the rubber rod is fixed on the rotating ring; and the tennis ball is fixedly connected to the second end of the rubber rod. The utility model discloses simple structure can supply single or double to hit exercises such as fixed ball, service, improves the stability of training person's batting, service action, and low in manufacturing cost is honest and clean, has general suitability.

Description

Tennis training device
Technical Field
The utility model relates to a sports training equipment technical field especially relates to a tennis training ware.
Background
Tennis is a relatively difficult and delicate sport, in recent years, the domestic development of tennis enters a rapid development stage, more and more people come into contact with and participate in the training of tennis, one key point in tennis training is the basic action practice of a trainer in batting, and a tennis trainer is needed for batting practice. The inventor finds that the existing trainer can be used conventionally, but is heavy, and has more problems in practical application: if the hitting heights of tennis trainers are different, the trainer can be adjusted according to the hitting heights of the trainers; when tennis is put into practice, a trainer needs to repeatedly hit the fixed ball for many times. Therefore, a new tennis training device needs to be designed.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a tennis training device, which is light and stable in output. Make the tennis training ware of adjustment for reaching above-mentioned purpose according to training person's self condition or training project condition, the utility model discloses mainly provide following technical scheme:
a tennis trainer, comprising:
a base;
the lower end of the vertical rod is fixedly connected with the base;
the upper end of the vertical rod is connected with the first end of the cross rod;
the rotating ring is arranged on the outer side of the second end of the cross rod and rotates around the cross rod;
the first end of the rubber rod is fixed on the rotating ring;
and the tennis ball is fixedly connected to the second end of the rubber rod.
In the tennis training device, the vertical rod comprises a first adjusting rod and a second adjusting rod, the second adjusting rod is arranged above the first adjusting rod, the first adjusting rod is a hollow rod, and the second adjusting rod is sleeved in the first adjusting rod, wherein:
the upper end of the first adjusting rod is provided with an elastic structure, the second adjusting rod can move up and down in the first adjusting rod in an loose state of the elastic structure, and the second adjusting rod is fixed by the elastic structure in a compact state of the elastic structure; or
The side wall of the second adjusting rod is provided with an external thread, the inner wall of the first adjusting rod is provided with an internal thread, the external thread is matched with the internal thread, and the second adjusting rod can be rotated to move up and down so as to adjust the length of the vertical rod; or
The adjustable vertical rod adjusting device is characterized in that at least one pair of limiting through holes are formed in the first adjusting rod, the limiting through holes in pairs are arranged on the side wall of the first adjusting rod, an elastic limiting part is arranged at the lower end of the second adjusting rod and arranged in the limiting through holes or in the first adjusting rod, the elastic limiting part is arranged in the limiting through holes and fixed, and when the elastic limiting part is arranged in the first adjusting rod, the second adjusting rod can move up and down along the first adjusting rod to adjust the length of the vertical rod.
In the tennis trainer, the vertical rod further comprises a third adjusting rod, the third adjusting rod is arranged above the second adjusting rod, the second adjusting rod is a hollow rod, and the third adjusting rod is sleeved in the second adjusting rod.
In the tennis training device, the horizontal pole with the montant rotates to be connected, the below of horizontal pole rotates to be connected with the bracing piece, be equipped with the support recess on the montant, wherein:
when the free end of the supporting rod is arranged in the supporting groove, the cross rod is fixed and parallel to the horizontal plane;
when the free end of the supporting rod is in a free state, the cross rod can be arranged in parallel with the vertical rod after rotating.
In the tennis trainer, the vertical rod is provided with two cross rods, and the two cross rods are arranged oppositely.
In the tennis trainer, the rotating ring is internally connected with an elastic cushion layer, the elastic cushion layer is sleeved on the second end of the cross rod, and the elastic cushion layer is made of rubber, latex or silica gel.
In the tennis trainer, the second end of the cross rod is provided with the protruding portion, the elastic cushion layer is provided with the groove portion, the protruding portion is matched with the groove portion in shape, and when the rotating ring rotates around the cross rod, the protruding portion causes the elastic cushion layer to generate elastic deformation.
In the tennis trainer, the convex part is arranged right below the cross bar;
in the tennis training device, the protrusion is disposed right above the cross bar.
In the tennis training device, the length of the vertical rod is 0.5-1.5 m
In the tennis trainer, the length of the cross bar is 0.5-1 m;
in the tennis training device, the length of the rubber rod is 0.2-0.5 m.
In the tennis trainer, the base is provided with the universal wheel with the foot brake.
The utility model relates to a tennis training device has following beneficial effect:
the utility model discloses simple structure can supply single or double to hit exercises such as fixed ball, service, improves the stability of training person's batting, service action, and low in manufacturing cost is honest and clean, has general suitability. After a trainer strikes a ball, the tennis ball does a looping movement under the action of force, returns to the original position after the movement is finished, and can be repeatedly and circularly practiced to improve the stability of the ball striking movement.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment 1 of the tennis training device of the present invention;
fig. 2 is a schematic structural view of the vertical rod of the tennis training device of the present invention;
FIG. 3 is another schematic structural view of the vertical rod of the tennis training device of the present invention;
fig. 4 is a schematic structural view of the limiting through hole and the elastic limiting member of the present invention;
FIG. 5 is a schematic structural diagram of an embodiment 4 of the tennis trainer of the invention;
fig. 6 is another schematic structural diagram of the tennis training device of embodiment 4 of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the present invention, the following detailed description is given, in conjunction with the preferred embodiments, with reference to the detailed description of the embodiments, structures, features and effects of the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
Example 1
A tennis 6 training device as shown in fig. 1, comprising: the base 1 is provided with a counterweight, so that the stability of the trainer in the application process can be ensured; the lower end of the vertical rod 2 is fixedly connected with the base 1; the upper end of the vertical rod 2 is connected with the first end of the cross rod 3, in the embodiment, the vertical rod 2 is provided with two cross rods 3, the two cross rods 3 are oppositely arranged (the two cross rods 3 are linear), and the two cross rods 3 can be used by two trainers; the rotating ring 4 is arranged on the outer side of the second end of the cross rod 3, and the rotating ring 4 rotates around the cross rod 3; the first end of the rubber rod is fixed on the rotating ring 4; and the tennis ball 6 is fixedly connected to the second end of the rubber rod.
Further, be equipped with the universal wheel 10 that has the service brake on base 1, universal wheel 10 has the backstop function, can remove and fix according to the needs of training.
Of course, the number of the cross rods 3 can also be 1, that is, one side of the vertical rod 2 is provided with one cross rod 3.
The length of the vertical rod 2 is 0.5-1.5 m; the length of the cross rod 3 is 0.5-1 m; the length of the rubber rod is 0.2-0.5 m.
In this embodiment, the rotating ring 4 is located outside the cross bar 3, when the trainer for tennis 6 is used for practice, a trainer stands on the side surface of the rubber bar (i.e. the side far away from the vertical bar 2), the trainer swings a tennis ball 6 to beat for practice, when the tennis ball 6 beats, the tennis ball 6 rotates around the cross bar 3 after being stressed, the rotating track of the rubber bar and the tennis ball 6 is circular, and the circular shape is perpendicular to the cross bar 3. After the rubber pole and tennis ball 6 rotate for several circles, the rubber pole and tennis ball 6 can stop under the cross bar 3 under the action of gravity. On the one hand, the trainer can hit the ball again when the tennis ball 6 stops; on the other hand, the trainer can hit the ball at any time during the movement of the tennis ball 6.
The utility model discloses simple structure can supply single or double to hit exercises such as fixed ball, service, improves the stability of training person's batting, service action, and low in manufacturing cost is honest and clean, has general suitability.
The tennis ball 6 is connected with the rotating ring 4 by using the rubber rod, and the rubber rod has certain elasticity, so that on one hand, the rigid resistance of a trainer in the ball hitting process can be reduced, and on the other hand, the position change condition of the tennis ball 6 during movement can be simulated more truly through the elastic deformation of the rubber rod. After the trainer hits the ball, the tennis ball 6 does the looping movement under the action of force, returns to the original position after the movement is finished, and can be repeatedly and circularly exercised to increase the stability of the hitting action.
In order to make the training person of tennis 6 training ware adaptation different heights uses, montant 2 includes that first regulation pole 21 and second are adjusted the pole 22, the second is adjusted pole 22 and is arranged in first regulation pole 21 top, first regulation pole 21 is hollow pole, second is adjusted pole 22 suit and is in first regulation pole 21, through with second is adjusted pole 22 is in up-and-down motion in the first regulation pole 21 can realize the adjustment on the one hand the length of montant 2, on the other hand also reduces the height of montant 2 when packing up the state to portable.
Further, the vertical rod 2 further comprises a third adjusting rod 23, the third adjusting rod 23 is arranged above the second adjusting rod 22, the second adjusting rod 22 is a hollow rod, and the third adjusting rod 23 is sleeved in the second adjusting rod 22. By providing the third adjustment lever 23, the height of the vertical rod 2 in the retracted state can be further reduced.
The height of the tennis 6 can be adjusted by adjusting the length of the vertical rod 2, so that the requirements of different trainers and different training items on the hitting height are met. The height of the training ball is set by the trainer from different hitting exercises (forehand hitting, backhand hitting and pitching). Through the adjustment to montant 2 height, can realize the use of 6 trainers of tennis repetition, circulation and stability.
Example 2
The tennis training device 6 shown in fig. 2 is different from the embodiment 1 in that, in order to adjust the length of the vertical rod 2, the embodiment is further explained by adjusting the first adjusting rod 21 and the second adjusting rod 22, and specifically includes the following three specific designs:
mode 1: an elastic structure is arranged at the upper end of the first adjusting rod 21, the second adjusting rod 22 can move up and down in the first adjusting rod 21 when the elastic structure is in a loose state, and the second adjusting rod 22 is fixed by the elastic structure when the elastic structure is in a compact state; in this embodiment, the elastic structure includes a threaded hole formed in the side wall of the upper end of the first adjusting rod 21 and a bolt in threaded fit with the threaded hole, the first end of the bolt ejects out of the side wall of the first adjusting rod 21, the first end is provided with the rotating head 7, the second end of the bolt moves between the threaded hole and the second adjusting rod 22, and when the second end of the bolt tightly abuts against the second adjusting rod 22, the second adjusting rod 22 is fixed by the bolt and the first adjusting rod 21. When the rotating head is rotated, the bolt can move along the threaded hole in a direction close to or far away from the second adjusting rod 22.
Mode 2: as shown in fig. 2, the side wall of the second adjusting rod 22 is provided with an external thread, the inner wall of the first adjusting rod 21 is provided with an internal thread, the external thread is matched with the internal thread, and the second adjusting rod 22 is rotated to move up and down so as to adjust the length of the vertical rod 2.
In specific implementation, the length of the vertical rod 2 can be adjusted between 50cm and 150 cm. The one end of first regulation pole 21 with base 1 is connected, be equipped with the opening on the other end of first regulation pole 21, the inside of first regulation pole 21 is equipped with the internal thread, be equipped with on the second regulation pole 22 with internal thread screw-thread fit's external screw thread, the first end of second regulation pole 22 is inserted in the opening of first regulation pole 21, rotating when second regulation pole 22 or first regulation pole 21, it is adjustable the length of montant 2. When rotating in a first direction, the vertical bar 2 becomes longer, and when rotating in a second direction, the vertical bar 2 becomes shorter.
Mode 3: as shown in fig. 3 and 4, at least one pair of limiting through holes 26 are formed in the first adjusting lever 21, the pair of limiting through holes 26 are oppositely disposed on a side wall of the first adjusting lever 21, an elastic fiber member 25 is disposed at a lower end of the second adjusting lever 22, the elastic fiber member 25 is disposed in the limiting through holes 26 or in the first adjusting lever 21, when the elastic fiber member 25 is disposed in the limiting through holes 26, the elastic fiber member 25 fixes the second adjusting lever 22, and when the elastic fiber member 25 is disposed in the first adjusting lever 21, the second adjusting lever 22 can move up and down along the first adjusting lever 21 to adjust the length of the vertical lever 2. Montant 2 includes that first regulation pole 21 and second are adjusted pole 22, the lower extreme of first regulation pole 21 with base 1 connects, be equipped with the opening on the upper end of first regulation pole 21, the first end of second regulation pole 22 is inserted in the opening of first regulation pole 21 be equipped with at least a pair of spacing through-hole 26 on the first regulation pole 21 (the condition of two pairs of spacing through-holes 26 is shown in fig. 3), mated spacing through-hole 26 sets up relatively on the wall of first regulation pole 21 the first end of second regulation pole 22 is served and is equipped with elastic fiber 25, elastic fiber 25 arranges in spacing through-hole 26 to the realization is to the regulation of montant 2 length. When the elastic fiber part 25 is placed in different limiting through holes 26, the cross bar 3 is at different heights, and the elastic fiber part 25 is placed in the limiting through holes 26 to prevent the cross bar 3 from falling due to gravity. In specific implementation, the distance between each pair of limiting through holes 26 is 2-6 cm. The elastic fiber member 25 comprises a spring 251, limiting balls 252 are arranged at two ends of the spring 251, a supporting pipe 253 is sleeved outside the spring 251, the supporting pipe 253 is arranged in the second adjusting rod 22, the limiting balls 252 are arranged between the first adjusting rod 21 and the second adjusting rod 22, the limiting balls 252 and the first adjusting rod 21 and the second adjusting rod 22 are in a movable state, and the diameter of the limiting balls 252 is larger than that of through holes in the first adjusting rod 21 and the second adjusting rod 22. The limiting ball 252 can move towards the center of the second adjusting rod 22, and due to the existence of the supporting tube 253, the limiting ball 252 cannot enter the second adjusting rod 22. When moving towards the center of the second adjusting rod 22, the limiting ball 252 can enter the first adjusting rod 21, so that the length of the vertical rod 2 can be adjusted.
As a modified embodiment, in order to adjust the lengths of the second adjustment lever 22 and the third adjustment lever 23, the adjustment method of the second adjustment lever 22 and the third adjustment lever 23 may be designed with reference to the adjustment method of the first adjustment lever 21 and the second adjustment lever 22 (the above-described method 1, method 2, and method 3). And will not be described in detail herein.
Example 3
The tennis 6 training device provided by the embodiment is different from the training device provided by the embodiment 1 in that the cross rod 3 is rotatably connected with the vertical rod 2, the lower part of the cross rod 3 is rotatably connected with the supporting rod, the vertical rod 2 is provided with a supporting groove, and the tennis 6 training device is characterized in that: when the free end of the supporting rod is arranged in the supporting groove, the cross rod 3 is fixed and parallel to the horizontal plane; when the free end of the supporting rod is in a free state, the cross rod 3 can be arranged in parallel with the vertical rod 2 after rotating. The cross rod 3 can be controlled to be opened and retracted through the support rod, so that the support state of the tennis 6 trainer can be controlled, the tennis trainer can be opened on one side or on two sides according to the number of trainees, the tennis trainer can be folded on two sides when not in use, and the use space of the trainer can be saved.
Example 4
As shown in fig. 5, the tennis training device 6 is different from that of embodiment 1 in that an elastic cushion 7 is connected in the rotating ring 4, the elastic cushion 7 is sleeved on the second end of the cross bar 3, and the elastic cushion 7 is made of rubber, latex or silica gel. The elastic cushion layer 7 rotates together with the rotating ring 4, when the elastic cushion layer 7 rotates, the elastic cushion layer 7 is arranged between the rotating ring 4 and the cross rod 3, and the elastic cushion layer 7 improves the resistance of the rotating ring 4 during rotation, so that the rotating ring 4 can stop rotating. In this embodiment, the rotation ring 4 can stop rotating after rotating for 3-8 cycles.
Further, in order to make the stop position of the elastic rod 5 relatively fixed, in the present embodiment, the elastic cushion 7 and the cross bar 3 are further designed, as shown in fig. 6, a protruding portion 8 is provided at the second end of the cross bar 3, a groove portion is provided on the elastic cushion 7, and the protruding portion 8 matches with the shape of the groove portion. When the convex part 8 is arranged in the groove part, the elastic cushion layer 7 does not generate elastic deformation; when the rotating ring 4 rotates around the cross bar 3, the convex part 8 causes the elastic cushion 7 to be elastically deformed.
The position of the elastic rod 5 can be determined according to the position of the boss 8. 1) The boss 8 is disposed at a position directly below the crossbar 3, and the elastic rod 5 tends to be disposed vertically below the crossbar 3, that is, the elastic rod 5 tends to stop directly below the crossbar 3 when rotated. 2) The boss 8 is disposed at a position directly above the cross bar 3 in such a manner that the elastic bar 5 tends to be disposed vertically above the cross bar 3.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (10)

1. A tennis training aid, comprising:
a base;
the lower end of the vertical rod is fixedly connected with the base;
the upper end of the vertical rod is connected with the first end of the cross rod;
the rotating ring is arranged on the outer side of the second end of the cross rod and rotates around the cross rod;
the first end of the rubber rod is fixed on the rotating ring;
and the tennis ball is fixedly connected to the second end of the rubber rod.
2. The tennis trainer of claim 1,
the montant includes that first regulation pole and second are adjusted the pole, the second is adjusted the pole and is arranged in first regulation pole top, first regulation pole is hollow pole, the suit is adjusted to the second in the first regulation pole, wherein:
the upper end of the first adjusting rod is provided with an elastic structure, the second adjusting rod can move up and down in the first adjusting rod in an loose state of the elastic structure, and the second adjusting rod is fixed by the elastic structure in a compact state of the elastic structure; or
The side wall of the second adjusting rod is provided with an external thread, the inner wall of the first adjusting rod is provided with an internal thread, the external thread is matched with the internal thread, and the second adjusting rod can be rotated to move up and down so as to adjust the length of the vertical rod; or
The adjustable vertical rod adjusting device is characterized in that at least one pair of limiting through holes are formed in the first adjusting rod, the limiting through holes in pairs are arranged on the side wall of the first adjusting rod, an elastic limiting part is arranged at the lower end of the second adjusting rod and arranged in the limiting through holes or in the first adjusting rod, the elastic limiting part is arranged in the limiting through holes and fixed, and when the elastic limiting part is arranged in the first adjusting rod, the second adjusting rod can move up and down along the first adjusting rod to adjust the length of the vertical rod.
3. The tennis trainer of claim 2,
the vertical rod further comprises a third adjusting rod, the third adjusting rod is arranged above the second adjusting rod, the second adjusting rod is a hollow rod, and the third adjusting rod is sleeved in the second adjusting rod.
4. The tennis trainer of claim 1,
the horizontal pole with the montant rotates to be connected, the below of horizontal pole rotates and is connected with the bracing piece, be equipped with the support recess on the montant, wherein:
when the free end of the supporting rod is arranged in the supporting groove, the cross rod is fixed and parallel to the horizontal plane;
when the free end of the supporting rod is in a free state, the cross rod can be arranged in parallel with the vertical rod after rotating.
5. The tennis trainer of claim 1,
the vertical rod is provided with two cross rods, and the two cross rods are arranged oppositely.
6. The tennis trainer of claim 1,
the rotating ring is internally connected with an elastic cushion layer, the elastic cushion layer is sleeved on the second end of the cross rod, and the elastic cushion layer is made of rubber, latex or silica gel.
7. The tennis trainer of claim 6,
the second end of the cross rod is provided with a convex part, the elastic cushion layer is provided with a groove part, the shape of the convex part is matched with that of the groove part,
when the rotating ring rotates around the cross rod, the protruding part causes the elastic cushion layer to generate elastic deformation.
8. The tennis trainer of claim 7,
the bulge is arranged at the position right below the cross rod; and/or
The protruding part is arranged right above the cross rod.
9. The tennis trainer according to any one of claims 1 to 8,
the length of the vertical rod is 0.5-1.5 m
The length of the cross bar is 0.5-1 m;
the length of the rubber rod is 0.2-0.5 m.
10. The tennis trainer according to any one of claims 1 to 8,
the base is provided with a universal wheel with a foot brake.
CN202021361864.3U 2020-07-13 2020-07-13 Tennis training device Expired - Fee Related CN212548217U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021361864.3U CN212548217U (en) 2020-07-13 2020-07-13 Tennis training device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021361864.3U CN212548217U (en) 2020-07-13 2020-07-13 Tennis training device

Publications (1)

Publication Number Publication Date
CN212548217U true CN212548217U (en) 2021-02-19

Family

ID=74620648

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021361864.3U Expired - Fee Related CN212548217U (en) 2020-07-13 2020-07-13 Tennis training device

Country Status (1)

Country Link
CN (1) CN212548217U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210219

Termination date: 20210713

CF01 Termination of patent right due to non-payment of annual fee