CN211635168U - Portable tennis upward spin training device - Google Patents

Abstract

The utility model discloses a portable tennis epitrochoid training ware relates to tennis training ware field, the on-line screen storage device comprises a base, the standing groove has been seted up at the top of base, the inner chamber of standing groove is equipped with the sill bar, the one end of sill bar is rotated with the both sides of standing groove inner wall and is connected, the other end symmetry fixedly connected with connecting piece of sill bar, the inboard rotation of two connecting pieces is connected with the dwang, one side of connecting piece is equipped with the bolt, one side of the one end through connection spare of bolt and one side threaded connection of dwang have the retaining member, the folding groove has been seted up at the top of sill bar, the inner chamber swing joint of folding groove has the folding rod, the one end. The utility model discloses utilize the setting of sill bar and folding rod, pass through the dwang with the folding rod and remove to offer some folding grooves on the sill bar in, rotate the sill bar in the standing groove, fold the training ware, carry the training ware to the user and provide convenience.

Description

Portable tennis upward spin training device

Technical Field

The utility model relates to a tennis training ware field, in particular to portable tennis epitrochoid training ware.

Background

Tennis is a kind of ball game, usually two single players or two pairs of players between the combination of the player in the tennis court across the net to the tennis racket to hit the tennis, the tennis spin-up is characterized by high flight range, fast descent, landing bounce with small reflection angle, great forward thrust, attack players liking to pull the spin-up because of the spin-up is more powerful.

Because the big threat nature of rebound impulsiveness is stronger when the top spin falls to the ground, and stability is higher simultaneously, so the top spin is that most sportsmen prefer a tennis technique, and in order to improve the technique of self top spin, the sportsman generally can carry out the concentrated training to the top spin, and at present when carrying out the training of top spin, people mostly can hang and train through the training ware, but the training ware is great and can't fold to lead to inconvenient carrying.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable tennis training ware of whirling upward to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a portable tennis epitrochoid training ware, includes the base, the standing groove has been seted up at the top of base, the inner chamber of standing groove is equipped with the sill bar, the one end of sill bar is rotated with the both sides of standing groove inner wall and is connected, the other end symmetry fixedly connected with connecting piece of sill bar, two the inboard rotation of connecting piece is connected with the dwang, one side of connecting piece is equipped with the bolt, one side of one end through connecting piece of bolt and one side threaded connection of dwang have the retaining member, the folding groove has been seted up at the top of sill bar, the inner chamber swing joint of folding groove has the folding rod, the one end of folding rod and the one end fixed connection of dwang.

Preferably, a rectangular through groove is formed in the other end of the folding rod, a rotating shaft is rotatably connected to an inner cavity of the rectangular through groove, a connecting sleeve is fixedly sleeved on the outer wall of the rotating shaft, a connecting rope is fixedly connected to one side of the connecting sleeve, and a tennis ball is fixedly connected to one end of the connecting rope.

Preferably, a clamping groove is formed in the top of the base and one side of the placing groove, and an inner cavity of the clamping groove is movably clamped with the outer wall of the tennis ball.

Preferably, the bottom of the bottom rod is provided with a supporting groove, the inner cavity of the supporting groove is provided with a supporting rod, and one end of the supporting rod is rotatably connected with two sides of the inner wall of the supporting groove.

Preferably, the top of the base is provided with a sliding chute, the inner cavity of the sliding chute is sleeved with a sliding block in a sliding manner, and the top of the sliding block is hinged with the other end of the supporting rod.

Preferably, one side of the base is provided with a pull rod, one end of the pull rod is fixedly connected with one side of the base, and rubber pads are symmetrically and fixedly connected with the two sides of the inner wall of the placing groove.

The utility model discloses a technological effect and advantage:

1. the utility model utilizes the arrangement of the bottom rod and the folding rod to move the folding rod into the folding groove arranged on the bottom rod through the rotating rod, and the training device is folded after the bottom rod is rotated in the placing groove, thereby providing convenience for the user to carry the training device;

2. the utility model discloses utilize the setting of bolt and retaining member, through clockwise or anticlockwise rotation retaining member, change the relative position between bolt and the retaining member to whether the adjustment dwang can rotate at the inboard of two retaining members.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the present invention.

Fig. 2 is a schematic view of the plane of depression structure of the present invention.

Fig. 3 is a schematic side sectional view of the present invention.

Fig. 4 is a schematic view of a part of an enlarged structure at a in fig. 3 according to the present invention.

In the figure: 1. a base; 2. a bottom bar; 3. a connecting member; 4. rotating the rod; 5. a bolt; 6. a locking member; 7. a folding bar; 8. a rotating shaft; 9. a connecting sleeve; 10. connecting ropes; 11. tennis balls; 12. a support bar; 13. a chute; 14. a slider; 15. a pull rod; 16. and (7) a rubber pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a portable tennis ball top spin training device as shown in figures 1-4, which comprises a base 1, a pull rod 15 is arranged on one side of the base 1, which is convenient for a user to apply force to drive the training device to move, one end of the pull rod 15 is fixedly connected with one side of the base 1, a placing groove is arranged on the top of the base 1, rubber pads 16 are fixedly connected with the two sides of the inner wall of the placing groove symmetrically, the rubber pads 16 are in interference fit with the two sides of a bottom plate, which prevents the bottom plate from being separated from the placing groove without any external force, the inner cavity of the placing groove is provided with a bottom rod 2, one end of the bottom rod 2 is rotatably connected with the two sides of the inner wall of the placing groove, the other end of the bottom rod 2 is fixedly connected with a connecting piece 3 symmetrically, the inner sides of the two connecting pieces 3 are rotatably connected with a rotating rod 4, one side of, clockwise or anticlockwise rotation retaining member 6 can make retaining member 6 keep away from or be close to bolt 5 to improve or reduce the extrusion force between connecting piece 3 and dwang 4, thereby can adjust the frictional force between connecting piece 3 and the dwang 4, make dwang 4 rotate adjustably, the folding groove has been seted up at the top of sill bar 2, the inner chamber swing joint in folding groove has folding rod 7, the one end of folding rod 7 and the one end fixed connection of dwang 4.

The other end of the folding rod 7 is provided with a rectangular through groove, the inner cavity of the rectangular through groove is rotatably connected with a rotating shaft 8, the outer wall of the rotating shaft 8 is fixedly sleeved with a connecting sleeve 9, the connecting sleeve 9 plays a role in connecting the rotating shaft 8 and a connecting rope 10, one side of the connecting sleeve 9 is fixedly connected with a connecting rope 10, one end of the connecting rope 10 is fixedly connected with a tennis ball 11, when a user performs a spin training, the base 1 is placed on the ground, the tennis ball 11 is taken out of the clamping groove, then a steering force in one direction is applied to the bottom rod 2, the bottom rod 2 is rotated and simultaneously drives the supporting rod 12 and the sliding block 14 to move, when the supporting rod 12 is rotated to the vertical direction, the sliding block 14 continues to move to one side, the supporting rod 12 and the bottom rod 2 form an inclination angle, the supporting function is performed on the bottom rod 2, then a force is applied to the folding rod 7 to separate from the, anticlockwise rotation retaining member 6 makes retaining member 6 extrusion connecting piece 3 and dwang 4, increases the frictional force between connecting piece 3 and the dwang 4, prevents that dwang 4 from taking place to rotate under the effect of no any external force, only need use the racket to hit and beat suspension in aerial tennis 11 when the training can, the joint groove has been seted up to the top of base 1 and the one side that is located the standing groove, the joint groove is used for the location work to tennis 11, the inner chamber in joint groove and the outer wall activity joint of tennis 11.

Support groove has been seted up to the bottom of sill bar 2, the inner chamber in support groove is equipped with bracing piece 12, thereby it removes in the spout to drive slider 14 to the lower part application of force of bracing piece 12, after bracing piece 12 moves to perpendicular with base 1, at a bit distance through slider 14 motion, then apply a decurrent effort to sill bar 2, thereby it rotates to the standing groove in to drive sill bar 2, the one end of bracing piece 12 is rotated with the both sides of supporting inslot wall and is connected, base 1's top is equipped with spout 13, slider 14 has been cup jointed in the inner chamber slip of spout 13, slider 14's top is articulated with the other end of bracing piece 12.

This practical theory of operation:

when the user needs to fold the training device, a clockwise turning force is applied to the locking part 6, so that the locking part 6 moves to the side far away from the bolt 5, the extrusion force between the connecting part 3 and the rotating rod 4 is reduced, so that the rotating rod 4 can rotate between the two connecting pieces 3, the folding rod 7 can rotate into the folding groove through the rotating rod 4, then, acting force in one direction is applied to the supporting rod 12, so that the supporting rod 12 drives the sliding block 14 to move in the sliding groove 13, when the supporting rod 12 moves to be vertical to the base 1, after moving a little distance through the slide 14, a downward force is then applied to the bottom bar 2, thereby drive sill bar 2 and rotate to the standing groove in, the rubber pad joint that the both sides of sill bar 2 and standing groove inner wall were equipped with prevents that sill bar 2 from breaking away from the standing groove, at last with tennis 11 joint in the joint inslot.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a portable tennis spin-on training ware, includes base (1), its characterized in that: the standing groove has been seted up at the top of base (1), the inner chamber of standing groove is equipped with sill bar (2), the one end of sill bar (2) is rotated with the both sides of standing groove inner wall and is connected, the other end symmetry fixedly connected with connecting piece (3) of sill bar (2), two the inboard rotation of connecting piece (3) is connected with dwang (4), one side of connecting piece (3) is equipped with bolt (5), one side that one end of bolt (5) runs through connecting piece (3) and one side threaded connection of dwang (4) has retaining member (6), the folding groove has been seted up at the top of sill bar (2), the inner chamber swing joint of folding groove has folding rod (7), the one end of folding rod (7) and the one end fixed connection of dwang (4).

2. The portable tennis spin training aid of claim 1, wherein: the other end of folding rod (7) has seted up the rectangle and has led to the groove, the inner chamber that the rectangle led to the groove rotates and is connected with pivot (8), connecting sleeve (9) have been cup jointed to the outer wall of pivot (8) is fixed, one side fixedly connected with of connecting sleeve (9) connects rope (10), the one end fixedly connected with tennis (11) of connecting rope (10).

3. The portable tennis spin training aid of claim 1, wherein: a clamping groove is formed in the top of the base (1) and located on one side of the placing groove, and the inner cavity of the clamping groove is movably clamped with the outer wall of the tennis ball (11).

4. The portable tennis spin training aid of claim 1, wherein: the bottom of the bottom rod (2) is provided with a supporting groove, the inner cavity of the supporting groove is provided with a supporting rod (12), and one end of the supporting rod (12) is rotatably connected with two sides of the inner wall of the supporting groove.

5. The portable tennis spin training aid of claim 1, wherein: the top of base (1) is equipped with spout (13), the inner chamber slip of spout (13) has cup jointed slider (14), the top of slider (14) is articulated with the other end of bracing piece (12).

6. The portable tennis spin training aid of claim 1, wherein: one side of the base (1) is provided with a pull rod (15), one end of the pull rod (15) is fixedly connected with one side of the base (1), and rubber pads (16) are symmetrically and fixedly connected with the two sides of the inner wall of the placing groove.

Images