CN210495141U

CN210495141U - Tennis training device

Info

Publication number: CN210495141U
Application number: CN201921440173.XU
Authority: CN
Inventors: 张军骑
Original assignee: Anhui Institute of Information Engineering
Current assignee: Anhui Institute of Information Engineering
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-12
Anticipated expiration: 2029-09-02

Abstract

The utility model discloses a tennis training device, which relates to the technical field of sports goods and comprises a storage tank, a storage cover and tennis balls, wherein the storage cover is arranged above the storage tank and is in threaded connection with the storage tank, mounting plates are symmetrically arranged at the left side and the right side of the outer side of the storage tank, two U-shaped lifting rods are hinged between the mounting plates at the left side and the right side, mounting blocks are sleeved at the left side and the right side of each lifting rod, supporting legs are arranged at the outer side of each mounting block in a threaded manner, a first clamping block is arranged at the middle of the outer side of each mounting plate and can be clamped with the first clamping block when the lifting rods are vertically placed, a second clamping block is arranged at the front and back of the outer side of each mounting plate and can be clamped with the second clamping block when the lifting rods are horizontally placed, a U-shaped hinged support plate is arranged in the middle of the lower end surface of the storage cover, the free end of the connecting rope penetrates through the storage cover and is connected with a triangular connecting ring, and the connecting ring is connected with the tennis ball through a screw.

Description

Tennis training device

Technical Field

The utility model relates to a technical field of sports goods, concretely relates to tennis training ware.

Background

The existing simple tennis training device is that the tennis is tied on a solid weight by a rubber long rope, and the weight of the solid weight is relatively large, so that a user still needs to spend a certain amount of strength when taking the tennis training device from a storage place to a training place. After the tennis trainer is used, the rubber long rope is simply wound and then is stored together, tennis balls continue to remain in the degree of freedom of the rubber long rope, and finally the solid weight and the stored rubber long rope are taken back together with the tennis balls and stacked together. It can be seen that the simple tennis trainer is laborious and inconvenient to move, the long rubber rope and the tennis ball are simply stored, and when the tennis trainer is used next time, the long rubber rope, the solid weight and the tennis ball can be wound and knotted, so that the tennis ball is inconvenient to take and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tennis training ware to solve the above-mentioned defect that leads to among the prior art.

A tennis trainer comprises a storage tank, a storage cover and tennis balls, wherein the storage cover is arranged above the storage tank and is in threaded connection with the storage tank,

the left side and the right side of the outer side of the storage tank are symmetrically provided with mounting plates, two U-shaped lifting rods are hinged between the mounting plates on the left side and the right side, the middle of each lifting rod is sleeved with a friction sleeve, the left side and the right side of each lifting rod are sleeved with mounting blocks and are locked and fixed through hand screws, a support leg is installed on the mounting block in a threaded mode towards one side, a first clamping block is arranged in the middle of the outer side of each mounting plate in a leaning mode, the lifting rods can be clamped with the first clamping block when vertically placed, and a second clamping block is arranged below the front portion and the rear portion of the outer side of each mounting plate and can;

the storage cover is characterized in that a U-shaped hinge support plate is arranged in the middle of the lower end face of the inner side of the storage cover, a winding wheel is rotatably arranged on the hinge support plate through a rotating shaft, the rotating shaft and the winding wheel are fixedly arranged, a connecting rope is fixedly connected to the winding wheel, the free end of the connecting rope penetrates through the storage cover and is connected with a triangular connecting ring, and the connecting ring is connected with a tennis ball through a screw.

Preferably, the left end fixed mounting of axis of rotation has the hand wheel, housing cap installs pressure spring in the top of the right-hand member portion of axis of rotation, pressure spring's lower tip is connected with the pressure strip, the lower extreme welding of pressure strip has the compact heap, the lower terminal surface of compact heap is equipped with the arc draw-in groove and pastes at the surface of arc draw-in groove and has the friction pad, the right-hand member portion of axis of rotation can contact with the friction pad.

Preferably, a ball seat which is circular and hollowed and is provided with an opening at the top is arranged in the middle of the upper end surface of the storage cover, the ball seat is used for storing tennis balls, and the ball seat is an injection molding piece.

Preferably, storing jar and mounting panel are for moulding plastics an organic whole, the storing lid is the injection molding.

The utility model has the advantages that: the utility model provides a tennis training ware: the filler with certain mass is filled in the storage tank, so that the overall mass of the tennis trainer can be increased; the lifting rod is clamped with the first clamping block to facilitate taking up the tennis trainer, the lifting rod is clamped with the second clamping block, and the support legs are contacted with the ground, so that the overall stability of the tennis trainer can be improved; when the tennis trainer is not used, the connecting rope can be wound on the winding wheel, so that the phenomenon that the connecting rope is knotted after being randomly stored and is inconvenient to use next time is avoided; through the compressing block and the friction pad, and the elasticity of the compressing spring is matched, the rotation freedom degree of the rotating shaft and the winding wheel can be limited, and the problems that the connecting rope wound on the winding wheel is loosened due to lack of tension force, and knotting occurs are further solved. To sum up, the tennis training device of the utility model has the characteristics of reasonable structure, simple structure, convenient use, low manufacturing cost and high practicability.

Drawings

Fig. 1 is a three-dimensional structure diagram of the present invention in use.

Fig. 2 is a schematic three-dimensional structure of the present invention when not in use.

Fig. 3 is a schematic structural view of the canister.

Fig. 4 to 6 are schematic structural views of the storage cover.

Wherein, 1-a storage tank; 2-mounting a plate; 3, lifting a rod; 4-friction sleeve; 5, mounting a block; 6-hand screwing screw; 7-a leg; 8, a first clamping block; 9-fixture block II; 10-a storage cover; 11-a hinge support plate; 12-a rotating shaft; 13-a reel; 14-connecting ropes; 15-connecting rings; 16-tennis ball; 17-a hand wheel; 18-a hold down spring; 19-a compacting plate; 20-a compaction block; 21-a friction pad; 22-ball seat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 6, a tennis training aid comprises a storage pot 1, a storage cover 10 and tennis balls 16, wherein the storage cover 10 is arranged above the storage pot 1 and is in threaded connection with the storage pot 1,

the left side and the right side of the outer side of the storage tank 1 are symmetrically provided with mounting plates 2, two U-shaped lifting rods 3 are hinged between the mounting plates 2 on the left side and the right side, the middle of each lifting rod 3 is sleeved with a friction sleeve 4, the left side and the right side of each lifting rod 3 are sleeved with mounting blocks 5 and are locked and fixed through hand screws 6, one side of each mounting block 5 facing outwards is provided with a support leg 7 in a threaded manner, the middle of the outer side of each mounting plate 2 is provided with a first clamping block 8 in a leaning manner, the lifting rods 3 can be clamped with the first clamping block 8 when vertically placed, the front side and the rear side of the outer side of each mounting plate 2 are provided with a second clamping block 9 in a;

a U-shaped hinge plate 11 is installed in the middle of the lower end face of the inner side of the storage cover 10, a winding wheel 13 is installed on the hinge plate 11 in a rotating mode through a rotating shaft 12, the rotating shaft 12 and the winding wheel 13 are fixedly installed, a connecting rope 14 is fixedly connected to the winding wheel 13, the free end of the connecting rope 14 penetrates through the storage cover 10 and is connected with a triangular connecting ring 15, and the connecting ring 15 is connected with a tennis ball 16 through a screw.

In this embodiment, the left end fixed mounting of axis of rotation 12 has hand wheel 17, storing lid 10 installs pressure spring 18 in the top of the right-hand member portion of axis of rotation 12, pressure spring 18's lower tip is connected with pressure strip 19, pressure strip 19's lower extreme welding has compact heap 20, the lower terminal surface of compact heap 20 is equipped with the arc draw-in groove and has friction pad 21 at the surface paste of arc draw-in groove, the right-hand member portion of axis of rotation 12 can contact with friction pad 21. The arc-shaped clamping groove of the pressing block 20 is clamped on the rotating shaft 12 through the elastic force of the pressing spring 18, so that the rotation freedom degree of the rotating shaft 12 is limited, and the friction pad 21 can increase the friction resistance when the pressing block 20 is in contact with the rotating shaft 12.

In this embodiment, a ball seat 22 with a circular hollow and an open top is centrally installed on the upper end surface of the storage lid 10, the ball seat 22 is used for storing tennis balls 16, and the ball seat 22 is an injection molded part, thereby reducing the production cost.

In this embodiment, storing jar 1 and mounting panel 2 are for moulding plastics an organic whole, have both reduced manufacturing cost, have effectively guaranteed the joint strength between storing jar 1 and the mounting panel 2 again, storing lid 10 is the injection molding, has reduced manufacturing cost.

In this embodiment, the utility model provides a tennis training ware's theory of operation and working process as follows:

(1) when the tennis training device is needed to be used: the lifting rod 3 is vertically placed and clamped with the first clamping block 8, the lifting rod 3 is lifted, the whole tennis training device is lifted, when the tennis training device is taken to a designated place, the lifting rod 3 is horizontally placed and clamped with the second clamping block 9, the height of the support legs 7 is adjusted, the lower end surfaces of the support legs 7 are fully contacted with the ground, the supporting area of the whole tennis training device is increased, the stability of the whole tennis training device is improved, then the storage cover 10 is unscrewed, fillers (water, mud, sand and the like) with certain mass are filled in the object tank 1, the mass of the whole tennis training device is increased, then, the left hand presses the pressing plate 19 to compress the pressing spring 18, so that the pressing block 20 is separated from the contact with the rotating shaft 12, meanwhile, the right hand takes the tennis ball 16 out of the ball seat 22, continues to pull the connecting rope 14 outwards, and when the tennis training device is pulled to a proper length, both hands are loosened, then the storage cover 10 is screwed, and the tennis ball 16 is used for training;

(2) when the tennis training aid is used: firstly unscrewing the storage cover 10, then completely dumping out the fillers (water, mud, sand and the like) in the storage tank 1, then pressing the pressing plate 19 by the left hand to compress the pressing spring 18, so that the pressing block 20 is separated from the contact with the rotating shaft 12, meanwhile, rotating the hand wheel 17 by the right hand to wind the connecting rope 14 at the dragging part on the reel 13 as much as possible, then placing the tennis ball 16 in the ball seat 22, then screwing the storage cover 10, vertically placing the lifting rod 3 and clamping the clamping block I8, and then lifting the lifting rod 3 to realize the whole lifting of the tennis trainer.

The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. A tennis training device is characterized in that: comprises a storage tank (1), a storage cover (10) and tennis balls (16), wherein the storage cover (10) is arranged above the storage tank (1) and is in threaded connection with the storage tank (1),

the lifting rod type storage tank is characterized in that mounting plates (2) are symmetrically arranged on the left side and the right side of the outer side of the storage tank (1), two U-shaped lifting rods (3) are hinged between the mounting plates (2) on the left side and the right side, friction sleeves (4) are sleeved in the middles of the lifting rods (3), mounting blocks (5) are sleeved on the left side and the right side of the lifting rods (3) and are locked and fixed through hand-screwed screws (6), support legs (7) are mounted on the outward side of each mounting block (5) in a threaded manner, a first clamping block (8) is arranged in the middle of the outer side of each mounting plate (2), the lifting rods (3) can be clamped with the first clamping block (8) when being vertically placed, a second clamping block (9) is arranged below the front portion and the rear portion of the outer side of each mounting plate (2;

the utility model discloses a storage lid, including storage lid (10), the inboard lower terminal surface of storage lid (10) installs the hinge board (11) of U type between two parties, hinge board (11), reel (13) are installed in hinge board (11) through axis of rotation (12) rotation, fixed mounting between axis of rotation (12) and reel (13), fixedly connected with connects rope (14) on reel (13), the free end of connecting rope (14) passes storage lid (10) and is connected with triangular go-between (15), go-between (15) are connected through screw and tennis (16).

2. The tennis trainer as set forth in claim 1, wherein: the left end fixed mounting of axis of rotation (12) has hand wheel (17), housing cap (10) installs pressure spring (18) in the top of the right-hand member portion of axis of rotation (12), the lower tip of pressure spring (18) is connected with pressure strip (19), the lower extreme welding of pressure strip (19) has compact heap (20), the lower terminal surface of compact heap (20) is equipped with the arc draw-in groove and has friction pad (21) at the surface paste of arc draw-in groove, the right-hand member portion of axis of rotation (12) can contact with friction pad (21).

3. The tennis trainer as set forth in claim 1, wherein: the tennis ball storage cover is characterized in that a ball seat (22) which is circular and hollowed and is opened at the top is arranged in the middle of the upper end face of the storage cover (10), the ball seat (22) is used for storing tennis balls (16), and the ball seat (22) is an injection molding piece.

4. The tennis trainer as set forth in claim 1, wherein: storing jar (1) and mounting panel (2) are for moulding plastics an organic whole, storing lid (10) are the injection molding.