CN207745499U - A kind of table tennis is practised a ball game machine - Google Patents

Abstract

The utility model discloses a table tennis ball training machine, which comprises a support device. The support device is provided with a storage device capable of holding a plurality of table tennis balls. The output end of the storage device is sequentially provided with The utility model relates to an adjusting device for controlling the frequency of table tennis ball ejection and a ball ejecting device for allowing the table tennis ball to fall at a low speed without rotation. The table tennis ball training machine provided by the utility model can discharge balls at an appropriate frequency as required, and the falling table tennis balls have low speed and no rotation, which is convenient for beginners to practice batting and improves the quality of practice.

Description

A kind of table tennis training machine

technical field

The utility model relates to the field of table tennis serving machines, in particular to a table tennis training machine driven by the dead weight of table tennis balls.

Background technique

Table tennis has both high competitive content and entertainment and fitness functions. It has a wide range of fans in my country, suitable for all ages. Therefore, in order to meet the requirements of many fans, various arenas have been opened in various places. For children and beginners, most All practice with a ball machine. Most of the current ball machines are designed for professional training. The ball machine is placed opposite the practitioner, which is equivalent to the opponent. The power of the ball is strong, which is not conducive to the use of beginners and children. The arena will not recruit too much because of the cost. sparring staff. Therefore, it becomes necessary to design a table tennis ball machine that is simple in structure, easy to popularize, and convenient for beginners and children to use.

At present, the table tennis ball machine used for practice is basically placed directly opposite the table tennis table practitioner, and the ball is ejected by the motor screw transmission mechanism. This ball has self-rotating motion and certain impact force in operation. It is ideal for those who have a certain foundation in table tennis to carry out technical skills training, but it is difficult for beginners, especially children. Hitting the ball or easily flying the ball is not conducive to practice. Therefore, in terms of auxiliary practice equipment, also need a kind of low-speed ball server without rotation. It is suitable for beginners and children's serve practice, and can be used in gymnasiums and school physical education courses.

Utility model content

The purpose of the utility model is to provide a table tennis ball training machine, which can eject the ball at an appropriate frequency according to the needs, and the falling table tennis ball has low speed and no rotation, which is convenient for beginners to practice hitting and improves the quality of practice.

In order to achieve the above object, the utility model provides a table tennis ball training machine, including a support device, the support device is provided with a storage device capable of holding a plurality of table tennis balls, and the output end of the storage device moves along the table tennis balls. The direction is sequentially provided with an adjusting device for controlling the frequency of table tennis ball ejection and a ball ejection device that allows the table tennis ball to fall at a low speed without rotation.

As a further improvement of the utility model, the storage device includes a conical funnel, a vertically arranged rotating shaft is arranged inside the conical funnel, and spiral blades extending up and down are arranged on the side wall of the rotating shaft, and the output end of the storage device is set In the lower part of the conical funnel, there is a ball outlet chute corresponding to the height of the bottom of the spiral blade.

As a further improvement of the utility model, the regulating device includes a pipeline arranged up and down that can accommodate the passage of table tennis balls. The upper end of the pipeline corresponds to the output end of the storage device. One side of the pipeline is provided with a regulator base. The seat is provided with a connected regulator and a main shaft, and the main shaft is provided with a fan blade which can rotate with it and a part of which is located in the pipe. .

As a further improvement of the utility model, the adjuster is a structure used to adjust the distance between the axis of the main shaft and the centerline of the pipeline, the adjuster is slidably connected to the base of the adjuster, and a lock is provided between the two. tight structure.

As a further improvement of the present utility model, the ball ejecting device is a guide rail located below the pipe and arranged obliquely, and the guide rail is a structure with adjustable length.

As a further improvement of the present utility model, the guide rails include a first ball outlet guide rail and a second ball outlet guide rail with one ends of the two socketed in each other.

As a further improvement of the present utility model, the support device includes a vertically arranged support rod, the bottom of which is connected to a universal wheel base, and the top of the support rod is connected to the bottom of the storage device.

As a further improvement of the present utility model, the support rods include a first support rod and a second support rod arranged up and down respectively and movably connected to each other, and the first support rod and the second support rod are provided with a A height adjustment device that adjusts the relative position of the two.

As a further improvement of the present utility model, the height adjustment device includes a meshing gear and a vertically arranged rack, the rack is arranged on the first support rod, and the gear is arranged on the second support rod. On the support rod, the gear is connected with a handle that can rotate with it.

As a further improvement of the utility model, a support spring is provided between the support rod and the universal wheel base.

Beneficial effect

Compared with prior art, the advantage of table tennis training machine of the present utility model is:

1. The adjustment device can control the frequency of table tennis balls, so as to adjust the frequency and difficulty of the ball according to the needs of beginners, and the ball device makes the falling table tennis balls have low speed and no rotation, which is convenient for beginners to practice hitting and improve practice. quality;

2. The storage device includes a cone-shaped funnel, which is mainly used to store and slide down the table tennis balls naturally. It has built-in light spiral blades. When the ball is poured into the funnel, the ball will slide down the spiral surface to the ball outlet chute under the action of gravity Inside;

3. The upper end of the pipeline on the adjustment device is connected to the outlet of the ball outlet chute in the storage device. After the ball enters the pipeline, it is blocked by the ball distribution blade. The ball distribution blade rotates under the gravity of the ball and passes the ball down the ball discharge device; adjust The device is used to adjust the distance between the main shaft of the ball-distributing blade and the axis of the pipe, so that the position of the contact point between the ball and the blade changes when the ball falls, thereby changing the magnitude of the moment, changing the speed of the blade, and achieving the purpose of adjusting the frequency of the ball without using external force. The gravity of the ball itself can realize the adjustment of the frequency of the ball, saving energy and low cost of use;

4. The universal wheel base of the support device can be used to make the table tennis ball training machine rotate as a whole, and its height adjustment device can change the height of the ball, thereby adjusting the position of the ball as required.

The utility model will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the utility model.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the front partial sectional view of table tennis training machine;

Figure 2 is a front view of the storage device;

Fig. 3 is A-A direction view among Fig. 2;

Fig. 4 is the top view of adjusting device;

Fig. 5 is the B-B direction view among Fig. 4;

Fig. 6 is the C-C direction view among Fig. 4;

Figure 7 is a front sectional view of the ball ejecting device;

Fig. 8 is the D-D direction view among Fig. 7;

Fig. 9 is a front partial sectional view of the supporting device.

Detailed ways

Embodiments of the present utility model are now described with reference to the accompanying drawings.

Example

The specific embodiment of the present utility model is shown in Fig. 1 to Fig. 9, a kind of table tennis ball training machine, comprises support device 4, and described support device 4 is provided with the storage device 1 that can be equipped with a plurality of table tennis balls, so The output end of the storage device 1 is sequentially provided with an adjusting device 2 for controlling the frequency of table tennis ball ejection and a ball ejecting device 3 that allows the table tennis ball to fall at a low speed and without rotation along the moving direction of the table tennis ball.

The storage device 1 includes a conical funnel 11. A vertically arranged rotating shaft 12 is arranged in the conical funnel 11. A spiral blade 13 extending up and down is provided on the side wall of the rotating shaft 12. The output end of the storage device 1 is arranged on The lower part of the conical funnel 11 is the ball outlet chute 14 corresponding to the height of the bottom of the spiral blade 13 .

Described regulating device 2 comprises the pipeline 27 that can accommodate the table tennis ball that arranges up and down, and the upper end of pipeline 27 is corresponding to the output end of storage device 1, and pipeline 27 one side is provided with regulator base 21, and on the regulator base 21 A connected regulator 26 and a main shaft 22 are provided, and the main shaft 22 is provided with a fan blade 23 that can rotate with it and a part thereof is located in the pipeline 27. ball blades. Both ends of the main shaft 22 are provided with bearing seats 24 , and a bearing 25 is sleeved between each bearing seat 24 and the main shaft 22 .

The adjuster 26 is a structure for adjusting the distance between the axis of the main shaft 22 and the centerline of the pipe 27 , the adjuster 26 is slidably connected to the adjuster base 21 , and a locking structure is provided between them. In this embodiment, the locking structure is a matched bolt and nut. One of the bearing blocks 24 is connected with the regulator base 21 through bolts and nuts. Another bearing seat 24 is connected with the adjuster 26 and the adjuster base 21 through bolts and nuts.

The ball discharging device 3 is a guide rail located below the pipe 27 and arranged obliquely, and the guide rail is a structure with adjustable length.

The guide rails include a first ball outlet guide rail 31 and a second ball outlet guide rail 32 , one of the ends of which are nested with each other.

The support device 4 includes a vertically arranged support rod, the bottom of which is connected with a universal wheel base 43 , and the top of the support rod is connected with the bottom of the storage device 1 .

The support rods include a first support rod 41 and a second support rod 42 arranged up and down respectively and are movably connected to each other. A set is provided between the first support rod 41 and the second support rod 42 for adjusting the relative positions of the two. height adjustment device. In this embodiment, the first support rod 41 and the second support rod 42 are nested with each other, wherein the lower end of the first support rod 41 protrudes into the second support rod 42 from the upper end.

The height adjustment device includes a meshing gear 46 and a vertically arranged rack 47, the rack 47 is arranged on the first support rod 41, and the gear 46 is arranged on the second support rod 42 , gear 46 is connected with the handle 45 that can rotate with it. The gear 46 is a helical gear, and the rack 47 is a helical rack.

A support spring 44 is provided between the support rod and the universal wheel base 43 .

The adjusting device 2 is fixed on the support bar through the clamping piece 5, and one end of the ball-out device 3 of the guide rail structure is sleeved on the outside of the support bar and fixed by bolts.

The utility model has been described above in conjunction with the best embodiments, but the utility model is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations based on the essence of the utility model.

Claims (10)

1. a kind of table tennis training machine, comprise support device (4), it is characterized in that, described support device (4) is provided with the storage device (1) that can be equipped with a plurality of table tennis balls, and described storage device ( 1) The output end of 1) is sequentially provided with an adjusting device (2) for controlling the frequency of table tennis ball ejection and a ball ejecting device (3) allowing the table tennis ball to fall at a low speed without rotation along the moving direction of the table tennis ball. 2. A kind of table tennis training machine according to claim 1, is characterized in that, described storage device (1) comprises conical funnel (11), is provided with the rotating shaft of vertical arrangement in the conical funnel (11) (12), the side wall of the rotating shaft (12) is provided with a spiral blade (13) extending up and down, and the output end of the storage device (1) is arranged at the bottom of the conical funnel (11) and the bottom of the spiral blade (13). The height corresponds to the ball outlet chute (14). 3. a kind of table tennis training machine according to claim 1, is characterized in that, described adjusting device (2) comprises the pipeline (27) that can accommodate table tennis that arranges up and down, the upper end of pipeline (27) and Corresponding to the output end of the storage device (1), the side of the pipeline (27) is provided with a regulator base (21), and the regulator base (21) is provided with a connected regulator (26) and a main shaft (22) , the main shaft (22) is provided with a fan blade (23) that can rotate with it and a part of it is located in the pipeline (27). blade. 4. A kind of table tennis training machine according to claim 3, is characterized in that, described adjuster (26) is for adjusting the distance between the axis of main shaft (22) and the center line of pipeline (27). structure, the adjuster (26) is slidingly connected to the adjuster base (21), and a locking structure is provided between the two. 5. A kind of table tennis ball training machine according to claim 3 or 4, is characterized in that, described ball out device (3) is the guide rail that is positioned at described pipeline (27) below and inclined arrangement, and this guide rail is length Adjustable structure. 6. A kind of table tennis ball training machine according to claim 5, is characterized in that, described guide rail comprises the first ball-out guide rail (31) and the second ball-out guide rail (32) of which one end of the two is nested mutually ). 7. a kind of table tennis training machine according to claim 1, is characterized in that, described support device (4) comprises the support bar of vertical arrangement, and the bottom of support bar is connected with universal wheel base (43), The top of the support rod is connected with the bottom of the storage device (1). 8. A kind of table tennis ball training machine according to claim 7, is characterized in that, described support bar comprises the first support bar (41) and the second support bar (42) that are respectively arranged up and down and mutually movably connected ), between the first support rod (41) and the second support rod (42) is provided with a height adjustment device for adjusting the relative position of the two. 9. a kind of table tennis training machine according to claim 8, is characterized in that, described height adjusting device comprises the gear (46) that meshes with and the rack (47) that vertically arranges, and described rack ( 47) Set on the first support bar (41), the gear (46) is set on the second support bar (42), the gear (46) is connected with a handle (45) that can rotate with it. 10. A table tennis training machine according to claim 7, 8 or 9, characterized in that a support spring (44) is provided between the support rod and the universal wheel base (43).