CN219001928U

CN219001928U - Adjustable service device for table tennis training

Info

Publication number: CN219001928U
Application number: CN202223563429.0U
Authority: CN
Inventors: 张红超; 杨梦婷
Original assignee: Southwest Medical University
Current assignee: Southwest Medical University
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-12
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses an adjustable serving device for table tennis training, which relates to the technical field of table tennis training and comprises the following components: a table; the driving box body is arranged on one side of the table; the screw is rotationally arranged in the driving box body; the first motor is arranged outside the driving box body, and the output end of the first motor is fixedly connected with the end part of the screw rod; the nut is spirally sleeved on the screw rod; the limiting plate is fixedly connected with the nut; the rotary disc is rotatably arranged on the limiting plate; the U-shaped frame is arranged on the turntable; further comprises: the ball serving assembly is arranged on the U-shaped frame, the nut is located on the screw rod and moves along the direction of the side edge of the ball table in the synchronous driving turntable in the process of transferring, and the front and back position adjustment of the ball serving assembly is achieved, so that a trainer can achieve ball serving adjustment of far and near balls in the training process, training is diversified, and training effect is improved.

Description

Adjustable service device for table tennis training

Technical Field

The utility model relates to the technical field of table tennis training, in particular to an adjustable serving device for table tennis training.

Background

The table tennis is very popular in China, the quantity of motion is moderate, hands are easy to get on, people can go on without barriers, and when further practice of table tennis is carried out, in order to improve the technical ability of table tennis, a service device is often used for training and matched use.

In the prior art, patent document with bulletin number of CN209696244U discloses a table tennis training teaching is with service device convenient to adjust service direction, simultaneously discloses be convenient for adjust the position height and inclination of fixed frame through the crane, through being convenient for adjust the height and inclination of play ball mouth, simultaneously be convenient for the rotation of ball box through the sill bar, so as to further adjust the position of play ball mouth, but at actual training's in-process, the training person usually needs to carry out the service training of far and near ball, however this technique only can be adjusted the angle of play ball mouth, be difficult to satisfy actual training demand.

Disclosure of Invention

The utility model aims to provide an adjustable serving device for table tennis training, which solves the following technical problems:

in the actual training process, a trainer usually needs to perform the tee training of the far and near ball, however, the technology can only adjust the angle of the ball outlet, and is difficult to meet the actual training requirement.

The aim of the utility model can be achieved by the following technical scheme:

an adjustable serving device for table tennis training, comprising:

a table;

the driving box body is arranged on one side of the table;

the screw is rotationally arranged in the driving box body;

the first motor is arranged outside the driving box body, and the output end of the first motor is fixedly connected with the end part of the screw rod;

the nut is spirally sleeved on the screw rod;

the limiting plate is fixedly connected with the nut;

the rotary disc is rotatably arranged on the limiting plate;

the U-shaped frame is arranged on the turntable;

further comprises:

the service assembly is arranged on the U-shaped frame.

Preferably, the ball serving assembly comprises a ball storage barrel arranged at the top of the U-shaped frame, a ball discharging pipe is arranged at the bottom of the ball storage barrel, the tail end of the ball discharging pipe is communicated with the ball serving barrel, a ball outlet is arranged in the direction of the ball table of the ball serving barrel, and the other end of the ball serving barrel is connected with the air pressure mechanism.

Preferably, a control box is further arranged between the ball discharging pipes, a through groove perpendicular to the ball discharging pipes is formed in the control box, a blanking plate is slidably arranged in the through groove, a through hole is formed between the blanking plates, and the blanking plate is connected with an adjusting mechanism for driving the blanking plate to reciprocate in the through groove.

Preferably, the adjusting mechanism comprises a second motor which is arranged on the outer side of the U-shaped frame, the output end of the second motor is fixedly connected with the disc, one side of the upper edge of the disc is provided with a pin shaft, the adjusting mechanism further comprises a push plate which is movably arranged on the disc, the pin shaft is movably embedded in a strip groove which is formed in the push plate, and the push plate is fixedly connected with the blanking plate through a push rod.

Preferably, the air pressure mechanism comprises a bottom plate arranged on one side of the U-shaped frame, a compressor is arranged on the bottom plate, one side of the compressor is connected with an air pump, and the air pump is communicated with the ball serving cylinder through an air pipe;

preferably, a sliding groove is arranged on one side of the ball table, and the end part of the limiting plate is fixedly connected with a sliding seat which is arranged in the sliding groove in a sliding way.

The utility model has the beneficial effects that:

(1) In the utility model, the first motor drives the screw to rotate, and the nut is positioned on the screw to synchronously drive the turntable to slide along the side direction of the ball table in the process of transferring, so that the front and back position adjustment of the ball serving assembly is realized, a trainer can realize the ball serving adjustment of far and near balls in the training process, the training is more diversified, and the training effect is improved; the turntable can be rotatably arranged, and training staff can realize the angle adjustment of the ball serving assembly by rotating the turntable, so that the ball serving assembly is very convenient;

(2) According to the utility model, the blanking plate is driven to slide in the through groove by the adjusting mechanism, when the through hole is positioned at the center end of the volleyball pipe, the table tennis falls into the service cylinder through the through hole, and the blanking plate seals the volleyball pipe along with the continuous movement of the blanking plate, so that the table tennis cannot fall down.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of an adjustable serving device for table tennis training according to the present utility model;

FIG. 2 is a schematic diagram of a table tennis training adjustable serving device according to the second embodiment of the present utility model;

FIG. 3 is a schematic diagram III of an adjustable serving device for table tennis training according to the present utility model;

FIG. 4 is a schematic diagram of a second motor of the adjustable ball serving device for table tennis training according to the present utility model;

fig. 5 is a schematic view of the structure of the through slot in the adjustable serving device for table tennis training according to the present utility model.

In the figure: 1. a table; 2. a ball storage cylinder; 3. a service barrel; 4. driving the box body; 5. a turntable; 6. a second motor; 101. a chute; 201. a U-shaped frame; 202. a control box; 203. a bottom plate; 204. a ball discharge pipe; 205. a through groove; 206. a through hole; 207. a blanking plate; 208. a push rod; 301. a ball outlet; 401. a first motor; 402. a screw; 403. a limiting plate; 601. a disc; 602. a push plate; 603. a pin shaft; 604. a strip groove; 7. a compressor; 701. an air pump; 702. and a gas pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the utility model discloses an adjustable ball serving device for table tennis training, which comprises a table 1 and a ball serving assembly, wherein a driving box body 4 is arranged on one side of the table 1, a screw rod 402 is rotationally arranged in the driving box body 4, the end part of the screw rod 402 is fixedly connected with the output end of a first motor 401 arranged on the outer side of the driving box body 4, and a nut is sleeved on the screw rod 402 in a spiral manner; the nut is fixedly provided with a limiting plate 403, the limiting plate 403 is rotationally provided with a rotary table 5, the rotary table 5 is provided with a U-shaped frame 201, and the ball sending assembly is arranged on the U-shaped frame 201; it can be noted that in the actual training process, the first motor 401 drives the screw 402 to rotate, and the nut is positioned on the screw 402 to synchronously drive the turntable 5 to slide along the side direction of the table 1 in the process of transferring, so that the front and back position adjustment of the ball serving assembly is realized, the training person can realize the ball serving adjustment of the far and near ball in the training process, the training is more diversified, and the training effect is improved; in another embodiment, the turntable 5 can be rotatably arranged, and a training person can realize the angle adjustment of the ball serving assembly by rotating the turntable 5, so that the ball serving assembly is very convenient;

referring to fig. 3, the service assembly includes a ball storage barrel 2 disposed at the top of a U-shaped frame 201, a ball discharge tube 204 is disposed at the bottom of the ball storage barrel 2, the end of the ball discharge tube 204 is communicated with a service barrel 3, the service barrel 3 is provided with a ball outlet 301 toward the table 1, and the other end of the service barrel 3 is connected with a pneumatic mechanism; before training, the table tennis ball is placed in the ball storage barrel 2, the table tennis ball in the ball storage barrel 2 falls into the ball serving barrel 3 through the ball discharge pipe 204 under the action of gravity, and then compressed air is conveyed to the direction of the table tennis ball through the air pressure mechanism, so that the table tennis ball is sent out from the ball outlet 301 under the action of air pressure and falls onto the table 1;

as a further scheme of the embodiment of the utility model, a control box 202 is arranged between the volleyball pipes 204, a through groove 205 perpendicular to the volleyball pipes 204 is arranged in the control box 202, a blanking plate 207 is arranged in the through groove 205 in a sliding manner, a through hole 206 is arranged between the blanking plates 207, and the blanking plate 207 is connected with an adjusting mechanism for driving the blanking plate 207 to reciprocate in the through groove 205; it can be stated that, during the process of falling to the service barrel 3, the blanking plate 207 is driven to slide in the through groove 205 by the adjusting mechanism, when the through hole 206 is positioned at the center end of the service barrel 204, the table tennis falls into the service barrel 3 through the through hole 206, and as the blanking plate 207 continues to move, the blanking plate 207 seals the service barrel 204, the table tennis cannot fall, the intermittent falling of the table tennis can be realized, the condition that more than one table tennis exists in the service barrel 3 at a time is avoided, and the service stability is higher;

still further, referring to fig. 4, the adjusting mechanism includes a second motor 6 disposed outside the U-shaped frame 201, an output end of the second motor 6 is fixedly connected with a disc 601, a pin 603 is disposed on one side of an upper edge of the disc 601, the adjusting mechanism further includes a pushing plate 602 movably disposed on the disc 601, the pin 603 is movably embedded in a slot 604 formed in the pushing plate 602, and the pushing plate 602 is fixedly connected with the blanking plate 207 through a push rod 208; specifically, when the blanking plate 207 is driven to slide in the through groove 205, the second motor 6 is started to drive the disc 601 to rotate, and the disc 601 drives the blanking plate 207 to reciprocate through the pin shaft 603, the push plate 602, the bar groove 604 and the push rod 208 in the rotating process.

Referring to fig. 5, the pneumatic mechanism includes a bottom plate 203 disposed at one side of the U-shaped frame 201, a compressor 7 is disposed on the bottom plate 203, one side of the compressor 7 is connected with an air pump 701, and the air pump 701 is communicated with the service cylinder 3 through an air pipe 702; after a table tennis ball falls into the service barrel 3, an infrared detector is arranged at the tail end of the air pipe 702, and when the table tennis ball falls, the air pump 701 is started to convey compressed air into the service barrel 3 through the air pipe 702;

in addition, the sliding groove 101 is arranged on one side of the table 1, and the end of the limiting plate 403 is fixedly connected with the sliding seat arranged in the sliding groove 101 in a sliding manner, so that the nut has higher transfer stability when driving the limiting plate 403 to slide, and is guided.

The working principle of the utility model is as follows: in the practical training process, the first motor 401 drives the screw 402 to rotate, the nut is located on the screw 402 and synchronously drives the turntable 5 to slide along the side direction of the ball table 1 in the process of transferring, front and back position adjustment of the ball serving assembly is achieved, a training person can achieve ball serving adjustment of far and near balls in the training process, the table tennis falls down to the ball serving barrel 3, the blanking plate 207 is driven to slide in the through groove 205 through the adjusting mechanism, when the through hole 206 is located at the center end of the ball discharging tube 204, the table tennis passes through the through hole 206 and falls into the ball serving barrel 3, the blanking plate 207 continuously moves along with the blanking plate 207 to seal the ball discharging tube 204, the table tennis cannot fall down, after the table tennis falls into the ball serving barrel 3, the infrared detector is arranged at the tail end of the air conveying tube 702, the air pump 701 is started when the table tennis falls down is detected, and compressed air is conveyed to the ball serving barrel 3 through the air conveying tube 702.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "left," "right," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and for simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, as well as a specific orientation configuration and operation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims

1. An adjustable serving device for table tennis training, comprising:

a table (1);

a driving box body (4) which is arranged at one side of the table (1);

a screw (402) rotatably disposed within the drive housing (4);

the first motor (401) is arranged outside the driving box body (4), and the output end of the first motor (401) is fixedly connected with the end part of the screw rod (402);

the nut is spirally sleeved on the screw rod (402);

a limiting plate (403) fixedly connected with the nut;

the rotary disc (5) is rotatably arranged on the limiting plate (403);

the U-shaped frame (201) is arranged on the turntable (5);

further comprises:

the service assembly is arranged on the U-shaped frame (201).

2. The adjustable ball serving device for table tennis training according to claim 1, wherein the ball serving assembly comprises a ball storage barrel (2) arranged at the top of the U-shaped frame (201), a ball discharging pipe (204) is arranged at the bottom of the ball storage barrel (2), the tail end of the ball discharging pipe (204) is communicated with the ball serving barrel (3), a ball outlet (301) is arranged in the direction of the ball table (1) towards the ball serving barrel (3), and the other end of the ball serving barrel (3) is connected with the air pressure mechanism.

3. The adjustable serving device for table tennis training according to claim 2, wherein a control box (202) is further arranged between the volleyball pipes (204), through grooves (205) perpendicular to the volleyball pipes (204) are formed in the control box (202), blanking plates (207) are arranged in the through grooves (205) in a sliding mode, through holes (206) are formed between the blanking plates (207), and the blanking plates (207) are connected with an adjusting mechanism for driving the blanking plates (207) to reciprocate in the through grooves (205).

4. The adjustable serving device for table tennis training according to claim 3, wherein the adjusting mechanism comprises a second motor (6) arranged on the outer side of the U-shaped frame (201), the output end of the second motor (6) is fixedly connected with a disc (601), a pin shaft (603) is arranged on one side of the upper edge of the disc (601), the adjusting mechanism further comprises a push plate (602) movably arranged on the disc (601), the pin shaft (603) is movably embedded in a strip groove (604) formed in the push plate (602), and the push plate (602) is fixedly connected with the blanking plate (207) through a push rod (208).

5. The adjustable ball serving device for table tennis training according to claim 2, wherein the air pressure mechanism comprises a bottom plate (203) arranged on one side of the U-shaped frame (201), a compressor (7) is arranged on the bottom plate (203), an air pump (701) is connected on one side of the compressor (7), and the air pump (701) is communicated with the ball serving barrel (3) through an air pipe (702).

6. The adjustable serving device for table tennis training according to claim 5, wherein a chute (101) is arranged on one side of the table (1), and the end of the limiting plate (403) is fixedly connected with a sliding seat arranged in the chute (101) in a sliding manner.