CN213491907U

CN213491907U - Tennis serving device for physical training

Info

Publication number: CN213491907U
Application number: CN202022535323.4U
Authority: CN
Inventors: 芦俊
Original assignee: Wuhan Donghu University
Current assignee: Wuhan Donghu University
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-22
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a tennis serving device for sports training relates to the sports training field. This tennis serving device for sports training includes supporting baseplate and serving device main part, the bottom four corners fixedly connected with universal wheel of supporting baseplate, the board is stood to supporting baseplate's top fixedly connected with, the both sides of supporting baseplate are equipped with positioning mechanism, the quantity of supporting baseplate is two sets of, and two sets of gag lever posts of fixedly connected with between the board of standing at two sets of supporting baseplate tops are two sets of it is connected with the lead screw still to rotate through the bearing between the board to stand, the bottom fixedly connected with bottom of serving device main part is dull and stereotyped. This tennis serving device for sports training is convenient for remove the device main part, moves to target position after, and the positioning mechanism of being convenient for use is fixed a position the device main part, is convenient for remove and adjust the horizontal position of serving device main part when using the serving device main part to train simultaneously.

Description

Tennis serving device for physical training

Technical Field

The utility model relates to a sports training technical field specifically is a tennis serving device for sports training.

Background

The most popular tennis ball serving machine is a machine for automatically serving tennis balls during tennis playing, tennis balls are played by squeezing the tennis balls when two wheels rotate relatively, the tennis balls are the second largest ball sports in the world, and a lot of sports grounds can be used for playing tennis balls, so various tennis ball serving machines appear in the market.

Present tennis serving device is not convenient for remove mostly, also is not convenient for adjust the position of its service point, consequently makes the user when carrying out tennis training, and service point position is single, reinforcing tennis training effect that can not be fine, to prior art not enough, the utility model discloses a tennis serving device for sports training to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model discloses a tennis serving device for sports training to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a tennis ball serving device for physical training comprises a supporting bottom plate and a serving device main body, wherein universal wheels are fixedly connected at four corners of the bottom of the supporting bottom plate, standing plates are fixedly connected to the top of the supporting bottom plate, positioning mechanisms are arranged on two sides of the supporting bottom plate, the number of the supporting bottom plates is two, two groups of limiting rods are fixedly connected between the two groups of standing plates at the top of the supporting bottom plate, a lead screw is rotatably connected between the two groups of standing plates through a bearing, a bottom flat plate is fixedly connected to the bottom of the serving device main body, a supporting column is fixedly connected to the bottom of the bottom flat plate, a sliding plate is fixedly connected to the bottom of the supporting column, limiting sleeves are fixedly connected to two sides of the sliding plate and are sleeved on the limiting rods, a vertical plate is fixedly connected to the bottom of the sliding plate, and a nut sleeve is, the nut sleeve is in threaded connection with the screw rod.

Preferably, the positioning mechanism comprises side plates, the side plates are fixedly connected to two sides of the supporting base plate, a nut seat is fixedly connected to the center of the top of each side plate, and a screw rod is connected to the nut seat of each side plate in an internal thread mode.

Preferably, the top of the screw rod is fixedly connected with a handle, and the bottom of the screw rod penetrates through the side plate and is fixedly connected with a compression plate.

Preferably, the distance between the two groups of limiting rods is the same as the distance between the two groups of limiting sleeves.

Preferably, the screw rod is located below the limiting rod, the screw rod is located in the center of the side wall of the standing plate, and one end of the screw rod is fixedly connected with the rotating handle.

Preferably, the number of the support columns is four, and the four groups of the support columns are positioned at the four corners of the bottom flat plate and the four corners of the top of the sliding plate.

Preferably, the supporting bottom plate and the side plates are horizontal, and a rubber pad is arranged at the bottom of the pressing plate.

The utility model discloses a tennis serving device for sports training, its beneficial effect who possesses as follows:

1. this tennis service device is used in sports training, when the user uses, universal wheel through the bottom setting, be convenient for remove the device main part, remove to the target location after, convenient to use positioning mechanism fixes a position the device main part, when using the service device main part to train simultaneously, be convenient for remove and adjust the horizontal position of service device main part, make the position of service point alternate, guarantee when carrying out tennis sports training, the messenger that can be convenient service device main part carries out the service training to different service point positions, reinforcing tennis training effect, can satisfy the user demand.

2. This tennis device of serving for sports training, during this regulative mode operation, it is simple convenient, labour saving and time saving, the device's stability is good moreover, and two sets of gag lever posts can provide stable support to the device main part of serving to when the later stage needs to remove the device main part, only need rotate the handle on the screw rod, make the pressure strip break away from with the pressfitting on ground can, the device practicality is good, satisfies the user demand, is fit for using widely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural diagram of the main body of the ball serving device of the present invention;

FIG. 3 is a structural view of the sliding plate of the present invention;

fig. 4 is a structural diagram of the supporting bottom plate of the present invention.

In the figure: 1. a support base plate; 2. standing the plate; 3. a universal wheel; 4. a side plate; 401. a screw; 402. a compression plate; 5. a limiting rod; 6. a screw rod; 601. rotating the handle; 7. a service device body; 8. a bottom plate; 9. a support pillar; 10. a sliding plate; 11. a limiting sleeve; 12. a vertical plate; 13. and a nut sleeve.

Detailed Description

The embodiment of the utility model provides a tennis serving device for physical training, as shown in figures 1-4, comprising a support base plate 1 and a serving device main body 7, universal wheels 3 are fixedly connected at four corners of the bottom of the support base plate 1, station plates 2 are fixedly connected with the top of the support base plate 1, positioning mechanisms are arranged at two sides of the support base plate 1, the number of the support base plate 1 is two, two groups of limit rods 5 are fixedly connected between the station plates 2 at the top of the two groups of support base plates 1, a lead screw 6 is rotatably connected between the two groups of station plates 2 through a bearing, a bottom flat plate 8 is fixedly connected with the bottom of the serving device main body 7, a support column 9 is fixedly connected with the bottom of the bottom flat plate 8, a sliding plate 10 is fixedly connected with the bottom of the support column 9, limit sleeves 11 are fixedly connected with two sides of the sliding plate 10, the limit sleeves 11 are sleeved on the, the lateral wall fixedly connected with nut cover 13 of vertical board 12, nut cover 13 and lead screw 6 threaded connection, when the user uses, universal wheel 3 through the bottom setting, be convenient for remove the device main part, remove to the target position after, convenient to use positioning mechanism fixes a position the device main part, when using service device main part 7 to train simultaneously, be convenient for remove and adjust the horizontal position of service device main part 7, make the position of service point alternate, guarantee when carrying out tennis sports training, can be convenient make service device main part 7 carry out the service training to different service point positions, reinforcing tennis training effect, can satisfy user's demand.

Positioning mechanism includes curb plate 4, and 4 fixed connection of curb plate are in the both sides of supporting baseplate 1, and the top center department fixedly connected with nut seat of curb plate 4, the nut seat internal thread connection of curb plate 4 has screw rod 401, and positioning mechanism's simple structure, convenient to use is convenient for fix the device main part.

The top of the screw 401 is fixedly connected with a handle, the bottom of the screw 401 penetrates through the side plate 4 and is fixedly connected with a pressing plate 402, and the pressing plate 402 can be attached to the ground and supports the device main body.

The distance between two sets of limiting rods 5 is the same as the distance between two sets of limiting sleeves 11, and the two sets of limiting rods 5 can provide stable support for the service device main body 7.

The screw rod 6 is located below the limiting rod 5, the screw rod 6 is located in the center of the side wall of the standing plate 2, one end of the screw rod 6 is fixedly connected with a rotating handle 601, and a user can conveniently rotate the screw rod 6 through the rotating handle 601.

The number of the support columns 9 is four, and four sets of the support columns 9 are positioned at the four corners of the bottom plate 8 and the four corners of the top of the sliding plate 10.

Supporting baseplate 1 and curb plate 4 level, the bottom of pressure strip 402 is equipped with the rubber pad, and the rubber pad of setting can increase the frictional force of pressure strip 402 and ground, reduces the wearing and tearing that pressure strip 402 and ground friction caused simultaneously.

The working principle is as follows: when the user uses, universal wheel 3 through the bottom setting, be convenient for remove the device main part, after removing to the target location, convenient to use positioning mechanism fixes a position the device main part, simultaneously when using service device main part 7 to train, be convenient for remove and adjust the horizontal position of service device main part 7, make the position of service point alternate, guarantee when carrying out tennis sports training, can be convenient make service device main part 7 carry out the service training to different service point positions, reinforcing tennis training effect, can satisfy user's demand.

When the device is used, after the device is moved to a target position, the handle on the screw 401 can be rotated at the moment, so that the screw 401 moves downwards along the nut seat of the side plate 4 in a spiral manner, the screw 401 drives the pressing plate 402 to move downwards, the pressing plate 402 is attached to the ground, the pressure is increased, at the moment, the device main body is supported and positioned, and the position of the service device main body 7 is fixed conveniently, when the horizontal position of the service device main body 7 needs to be adjusted, the rotating handle 601 is directly rotated, the rotating handle 601 drives the screw rod 6 to rotate, the screw rod 6 drives the nut sleeve 13 to move after rotating, the nut sleeve 13 drives the vertical plate 12 to move, the vertical plate 12 drives the sliding plate 10 to slide between the two groups of limiting rods 5, the sliding plate 10 drives the limiting sleeve 11 to slide along the limiting rods 5, the sliding plate 10 drives the supporting column 9 to move, and the supporting column 9 drives the bottom flat, dull and stereotyped 8 and then drive the motion of serve device main part 7 in bottom, finally realize changeing the horizontal position of serve device main part 7, during this regulative mode operation, it is simple convenient, time saving and labor saving, and the device's stability is good, two sets of gag lever posts 5 can provide stable support to serve device main part 7, and when the later stage needs to remove the device main part, only need rotate the handle on the screw rod 401, make the pressure strip 402 break away from with the pressfitting on ground can, the device practicality is good, satisfy the user demand, and is suitable for being generalized to use.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a tennis serving device for sports training, includes supporting baseplate (1) and serving device main part (7), its characterized in that: the universal wheels (3) are fixedly connected at four corners of the bottom of the supporting bottom plate (1), the top of the supporting bottom plate (1) is fixedly connected with the standing plates (2), two sides of the supporting bottom plate (1) are provided with positioning mechanisms, the number of the supporting bottom plates (1) is two, two groups of limiting rods (5) are fixedly connected between the two groups of the standing plates (2) at the top of the supporting bottom plate (1), a lead screw (6) is rotatably connected between the two groups of the standing plates (2) through a bearing, the bottom of the serving device main body (7) is fixedly connected with a bottom flat plate (8), the bottom of the bottom flat plate (8) is fixedly connected with a supporting column (9), the bottom of the supporting column (9) is fixedly connected with a sliding plate (10), two sides of the sliding plate (10) are fixedly connected with limiting sleeves (11), and the limiting sleeves (11) are sleeved on, the bottom of the sliding plate (10) is fixedly connected with a vertical plate (12), the side wall of the vertical plate (12) is fixedly connected with a nut sleeve (13), and the nut sleeve (13) is in threaded connection with the screw rod (6).

2. A tennis serving apparatus as set forth in claim 1, wherein: the positioning mechanism comprises side plates (4), the side plates (4) are fixedly connected to two sides of the supporting base plate (1), nut seats are fixedly connected to the centers of the tops of the side plates (4), and threaded rods (401) are connected to the nut seats of the side plates (4) in an internal threaded mode.

3. A tennis serving apparatus as set forth in claim 2, wherein: the top of the screw rod (401) is fixedly connected with a handle, and the bottom of the screw rod (401) penetrates through the side plate (4) and is fixedly connected with a pressing plate (402).

4. A tennis serving apparatus as set forth in claim 1, wherein: the distance between the two groups of limiting rods (5) is the same as the distance between the two groups of limiting sleeves (11).

5. A tennis serving apparatus as set forth in claim 1, wherein: the lead screw (6) is located below the limiting rod (5), the lead screw (6) is located in the center of the side wall of the standing plate (2), and one end of the lead screw (6) is fixedly connected with a rotating handle (601).

6. A tennis serving apparatus as set forth in claim 1, wherein: the number of the support columns (9) is four, and the four groups of the support columns (9) are positioned at the four corners of the bottom flat plate (8) and the four corners of the top of the sliding plate (10).

7. A tennis serving apparatus as set forth in claim 3, wherein: the supporting bottom plate (1) and the side plates (4) are horizontal, and rubber pads are arranged at the bottoms of the pressing plates (402).