阅读说明：本技术 一种乒乓球发球装置 (Table tennis serving device ) 是由 王春荣 薛江华 熊昌炯 夏尔冬 于 2021-10-13 设计创作，主要内容包括：本发明提供了一种乒乓球发球装置,涉及体育用品技术领域,包括储球仓、发球组件、转动组件以及支撑组件,其中,储球仓用以容纳乒乓球；发球组件包括壳体、内置于壳体的输送管,以及与输送管相铰接配置的出球管；在输送管内设有用以驱使乒乓球沿输送路径输送的输送轮,出球管其一端与输送管的末端铰接设置,另一端外露于壳体,并经由配置在壳体上的摆动部驱使摆动；转动组件配置在壳体的底部,用以驱使壳体转动；支撑组件具有用以与乒乓球桌固定的固定调节部、用以在竖直方向上调节发球组件的竖直调节部,用以在水平方向上调节发球组件的水平调节部。从而实现多落点、大区域的发球。(The invention provides a table tennis serving device, which relates to the technical field of sports goods and comprises a table tennis storage bin, a serving assembly, a rotating assembly and a supporting assembly, wherein the table tennis storage bin is used for containing table tennis; the ball serving assembly comprises a shell, a conveying pipe arranged in the shell, and a ball outlet pipe hinged with the conveying pipe; a conveying wheel used for driving table tennis balls to be conveyed along a conveying path is arranged in the conveying pipe, one end of the ball outlet pipe is hinged with the tail end of the conveying pipe, and the other end of the ball outlet pipe is exposed out of the shell and driven to swing through a swinging part arranged on the shell; the rotating assembly is arranged at the bottom of the shell and used for driving the shell to rotate; the support component is provided with a fixed adjusting part used for being fixed with the ping-pong table, a vertical adjusting part used for adjusting the service component in the vertical direction, and a horizontal adjusting part used for adjusting the service component in the horizontal direction. Thereby realizing the serve of multiple drop points and large area.)

1. A table tennis serving apparatus, comprising:

the ball storage bin is used for containing table tennis;

the ball serving assembly comprises a shell, a conveying pipe and a ball outlet pipe, wherein the conveying pipe is arranged in the shell and is communicated with the ball storage bin, and the ball outlet pipe is hinged with the conveying pipe; a conveying wheel used for driving table tennis balls to be conveyed along a conveying path is arranged in the conveying pipe, one end of the ball outlet pipe is hinged with the tail end of the conveying pipe, the other end of the ball outlet pipe is exposed out of the shell, and the ball outlet pipe is driven to swing by a swinging part arranged on the shell;

the rotating assembly is arranged at the bottom of the shell and used for driving the shell to rotate;

the supporting component is provided with a fixed adjusting part, a vertical adjusting part and a horizontal adjusting part, the fixed adjusting part is used for being fixed with the table tennis table, the vertical adjusting part is used for adjusting the vertical position of the service assembly, and the horizontal adjusting part is used for adjusting the horizontal position of the service assembly.

2. The table tennis serving device of claim 1, wherein the ball storage bin is provided with a rotor blade driven by a first motor near the ball outlet.

3. The table tennis serving apparatus of claim 1, wherein the feed tube has a ball inlet section, a feed section, and a ball outlet section, the feed section having a volute shape arranged along an involute, the ball outlet section extending in a tangential direction of the feed section.

4. The table tennis serving apparatus of claim 3, wherein the delivery wheel is concentric with the delivery portion, and the delivery wheel has a plurality of grooves spaced at equal intervals along the circumference, each groove being capable of receiving only one table tennis ball.

5. The table tennis serving device of claim 1, wherein the ball outlet tube is provided with an inclined surface facing the ball outlet end of the delivery tube, and an accelerating wheel is provided near the ball outlet end of the ball outlet tube, so that the table tennis can pass through an accelerating channel clamped by the accelerating wheels.

6. The table tennis serving device according to claim 1, wherein the swing portion includes an upper plate and a lower plate, the ball outlet pipe is inserted into the lower plate, one end of the upper plate is hinged to the movable plate disposed at the top of the housing, the other end of the upper plate is engaged with the lower plate, and the other end of the lower plate is hinged to the movable plate disposed at the bottom of the housing.

7. The table tennis serving device of claim 6, wherein a driving wheel driven by a second motor is disposed in the housing, driven wheels engaged with the driving wheel are disposed above and below the driving wheel, and a rack engaged with the driven wheels is disposed on the moving plate, so that the moving plate is driven by the driving wheel to move toward the inside or outside of the housing.

8. The table tennis serving apparatus according to claim 1, wherein the support member has a first cross frame and a second cross frame, the first cross frame being disposed in parallel with the second cross frame, the serving member being disposed on the second cross frame, the fixed adjustment portion having a grip plate and a fastener for adjusting the grip plate, the grip plate being disposed on the first cross frame via the fastener.

9. The table tennis serving device of claim 8, wherein the vertical adjustment portion comprises a first connecting rod and a second connecting rod which are arranged between the first cross frame and the second cross frame in a crossing manner, the first cross frame and the second cross frame are respectively provided with two cross bars, the ends of the first connecting rod and the second connecting rod are respectively arranged on different cross bars, and the two cross bars on the same cross frame are driven to be close to or far away from each other through a driving member so as to adjust the distance between the first cross frame and the second cross frame.

10. The table tennis serving apparatus of claim 9, wherein the horizontal adjustment portion is disposed on the second cross frame and includes a moving track and a driving block, and the rotating assembly is disposed on the rotating block.

Technical Field

The invention relates to the technical field of sports goods, in particular to a table tennis serving device.

Background

Table tennis (table tenis), known as the "ball" of china, is a popular ball sport in the world, including attack, confrontation and defense. Chinese athletes can obtain excellent performance on the table tennis event without practicing the table tennis event in the same day and night, and the network information such as a self-media can show that the athletes often practice by means of the ball serving device. However, the existing table tennis serving device has few serving drop points and small serving area, and can not achieve the purpose of practicing by players.

Disclosure of Invention

The invention discloses a table tennis serving device, aiming at solving the problems of few serving drop points and small serving area of the traditional table tennis serving device.

The invention adopts the following scheme:

a table tennis serving device comprises a table tennis storage bin, a serving assembly, a rotating assembly and a supporting assembly, wherein the table tennis storage bin is used for containing table tennis; the ball serving assembly comprises a shell, a conveying pipe and a ball outlet pipe, wherein the conveying pipe is arranged in the shell and is communicated with the ball storage bin, and the ball outlet pipe is hinged with the conveying pipe; a conveying wheel used for driving table tennis balls to be conveyed along a conveying path is arranged in the conveying pipe, one end of the ball outlet pipe is hinged with the tail end of the conveying pipe, the other end of the ball outlet pipe is exposed out of the shell, and the ball outlet pipe is driven to swing by a swinging part arranged on the shell; the rotating assembly is arranged at the bottom of the shell and used for driving the shell to rotate; the supporting component is provided with a fixed adjusting part, a vertical adjusting part and a horizontal adjusting part, the fixed adjusting part is used for being fixed with the table tennis table, the vertical adjusting part is used for adjusting the vertical position of the service assembly, and the horizontal adjusting part is used for adjusting the horizontal position of the service assembly.

As a further improvement, a rotating blade driven by a first motor is arranged at the position, close to the ball outlet, of the ball storage bin.

As a further improvement, the conveying pipe is provided with a ball inlet part, a conveying part and a ball outlet part, the conveying part is in a volute shape arranged along an involute, and the ball outlet part extends along the tangential direction of the conveying part.

As a further improvement, the conveying wheel and the conveying part are arranged concentrically, a plurality of grooves are formed in the conveying wheel at equal intervals along the periphery, and each groove can only contain one table tennis ball.

As a further improvement, the ball outlet end of the ball outlet pipe, which is opposite to the conveying pipe, is provided with an inclined plane which is obliquely arranged, and the ball outlet end which is close to the ball outlet pipe is provided with an accelerating wheel, so that the table tennis can pass through an accelerating channel clamped by the two accelerating wheels.

As a further improvement, the swing portion comprises an upper baffle and a lower baffle, the ball outlet pipe is arranged on the lower baffle in a penetrating mode, one end of the upper baffle is hinged to the movable plate arranged at the top of the shell, the other end of the upper baffle is clamped with the lower baffle, and the other end of the lower baffle is hinged to the movable plate arranged at the bottom of the shell.

As a further improvement, a driving wheel driven by a second motor is arranged in the shell, driven wheels meshed with the driving wheel are arranged above and below the driving wheel, and racks meshed with the driven wheels are arranged on the moving plate, so that the moving plate is driven by the driving wheel to move towards the direction inside or outside the shell.

As a further improvement, the support member has a first cross frame and a second cross frame, the first cross frame and the second cross frame are arranged in parallel, the serve member is arranged on the second cross frame, the fixing and adjusting portion has a clamping plate and a fastener for adjusting the clamping plate, and the clamping plate is arranged on the first cross frame via the fastener.

As a further improvement, the vertical adjusting part has a first connecting rod and a second connecting rod which are arranged between the first cross frame and the second cross frame in a crossed manner, the first cross frame and the second cross frame are both provided with cross rods, the end parts of the first connecting rod and the second connecting rod are respectively arranged on different cross rods, and the two cross rods on the same cross frame are driven to be close to or far away from each other through a driving part so as to adjust the distance between the first cross frame and the second cross frame.

As a further improvement, the horizontal adjusting part is arranged on the second cross frame and comprises a moving track and a transmission block, and the rotating assembly is arranged on the rotating block.

By adopting the technical scheme, the invention can obtain the following technical effects:

the utility model provides a table tennis serving device, its play ball pipe not only can take place the angle change in vertical, horizontal direction, still can carry out the removal on vertical and horizontal direction to realize the serving of multi-angle, many falling points, big region, in order to improve the training effect of serving device serving. The advantages of the present application are apparent compared to the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a bottom view of FIG. 2;

FIG. 5 is a left side view of FIG. 2;

FIG. 6 is a cross-sectional view of FIG. 2 taken along a vertical section thereof;

FIG. 7 is an enlarged view of A in FIG. 6;

FIG. 8 is an enlarged view of B in FIG. 6;

FIG. 9 is a schematic structural view of the present invention after the housing is hidden;

FIG. 10 is a schematic view of the structure of FIG. 9 from another perspective;

FIG. 11 is a schematic view of a ball serving assembly according to an embodiment of the present invention with the housing and delivery tube concealed.

Icon:

1-ball storage bin; 11-a containment chamber; 111-a goal; 112-ball outlet; 12-a rotor blade;

2-a serving assembly; 21-a housing; 22-a delivery pipe; 221-ball inlet part; 222-a conveying section; 223-ball out; 224-a mating portion; 23-a bulb outlet pipe; 231-a bevel; 24-a delivery wheel; 241-grooves; 25-a swing part; 251-an upper baffle; 252-a lower baffle; 253-moving plate; 254-a driving wheel; 255-driven wheel; 256-rack; 26-an accelerator wheel;

3-a rotating assembly;

4-a support assembly; 41-fixed regulating part; 411-a clamping plate; 412-a fastener; 42-a vertical adjustment; 421-a first link; 422-second link; 423-a drive member; 43-horizontal adjustment; 431-moving track; 432-a drive block; 44-a first cross frame; 45-a second cross frame; 46-cross bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1 to 11, the present embodiment provides a table tennis ball serving device, which includes a ball storage bin 1, a ball serving assembly 2, a rotating assembly 3 and a support assembly 4. Wherein, the ball storage bin 1 has the chamber 11 of holding, should hold the chamber 11 top and be ball inlet 111, the bottom is ball outlet 112, and the table tennis falls into from ball inlet 111 and holds the chamber 11 after, can flow from ball outlet 112. The ball inlet 111 may be open, which facilitates a large amount of table tennis balls to enter the accommodating cavity 11 quickly. The rotating blade 12 driven by the first motor is installed near the ball outlet 112, and the rotating blade 12 may be one, two, three, or four, and is not particularly limited. Preferably, in the present embodiment, the rotating blades 12 are four uniformly arranged, the distance between two adjacent rotating blades 12 is greater than the size of the ball outlet 112, and the rotating blades 12 can sweep over the ball outlet 112, and when the rotating blades 12 sweep over the ball outlet 112, ping-pong balls can be intercepted and fall into the ball outlet 112. The speed of the table tennis falling into the ball outlet 112 is controlled by controlling the rotating speed of the first motor. In addition, the rotating blades 12 can stir the table tennis balls in the accommodating cavity 11 during the rotation process, and the ball outlet 112 can be prevented from being blocked.

The ball serving assembly 2 comprises a shell 21, a delivery pipe 22 which is arranged in the shell 21 and communicated with the ball storage bin 1, and a ball outlet pipe 23 which is hinged with the delivery pipe 22. A conveying wheel 24 for driving the table tennis to be conveyed along the conveying path is arranged in the conveying pipe 22, one end of the ball outlet pipe 23 is hinged with the tail end of the conveying pipe 22, the other end of the ball outlet pipe is exposed out of the shell 21, and the ball outlet pipe is driven to swing through a swinging part 25 arranged on the shell 21. The ball outlet pipe 23 is driven to swing by the swing part 25, so that the ball outlet pipe 23 generates variation of a ball serving angle in the vertical direction, and different angle falling points are realized.

The rotating assembly 3 is disposed at the bottom of the housing 21 for driving the housing 21 to rotate. The housing 21 rotates and simultaneously drives the ball serving assembly 2 to rotate, so that the ball outlet pipe 23 rotates in the horizontal direction, thereby enlarging the serving area.

The support assembly has a fixed adjustment portion 41, a vertical adjustment portion 42, and a horizontal adjustment portion 43, the fixed adjustment portion 41 is used for fixing with the table tennis table, the vertical adjustment portion 42 is used for adjusting the vertical position of the service assembly 2, and the horizontal adjustment portion 43 is used for adjusting the horizontal position of the service assembly 2.

It should be noted that, in this embodiment, the ball outlet tube 23 can change its angle in the vertical and horizontal directions, and can also move in the vertical and horizontal directions, so as to achieve multi-angle, multi-drop-point, large-area serve, and improve the training effect of serving the ball by the serving device.

In addition to the above embodiments, in an alternative embodiment of the present invention, the conveying pipe 22 has a ball inlet part 221, a conveying part 222 and a ball outlet part 223. The ball inlet part 221 is in butt joint with the ball outlet 112 along the vertical direction, the conveying part 222 is in a volute shape arranged along an involute, and the ball outlet part 223 extends along the tangential direction of the conveying part 222. Preferably, the conveying wheel 24 and the conveying part 222 are concentrically arranged, and the conveying wheel 24 is provided with a plurality of grooves 241 at equal intervals along the circumference, each groove 241 can only accommodate one table tennis ball, and the groove 241 may be square, arc, spherical, etc., in this embodiment, the shape of the groove 241 is a hemisphere. The table tennis falls into ball inlet portion 221 from ball outlet 112, falls into recess 241 along ball inlet portion 221, and the centrifugal motion is done to the in-process table tennis that the conveying wheel 24 rotated, and the peripheral tangential that enters along conveying portion 222 gets into ball outlet portion 223 in, and conveying wheel 24 can provide the power that gets into ball outlet portion 223 for the table tennis can flow along ball outlet portion 223 to fall into in ball outlet pipe 23. In addition, the groove 241 for accommodating only one table tennis ball is arranged, so that the phenomenon of ball blocking can be prevented, and the table tennis ball can smoothly flow in the conveying pipe 22.

On the basis of the above embodiment, in an alternative embodiment of the present invention, the ball outlet end of the ball outlet tube 23 facing the delivery tube 22 is provided with an inclined plane 231 arranged obliquely, and the ball outlet end near the ball outlet tube 23 is provided with the accelerating wheels 26, so that the table tennis ball can pass through the accelerating channel clamped by the two accelerating wheels 26, thereby improving the force of serving the table tennis ball. The inclined plane 231 plays a guiding role, and the table tennis ball falls into the ball outlet pipe 23 along the inclined plane 231 from the ball outlet end of the conveying pipe 22 under the action of gravity. The conveying pipe 22 is provided with a matching part 224 extending downwards, the matching part 224 is provided with an assembling hole, and a column is arranged on the ball outlet pipe 23 corresponding to the assembling hole in a protruding mode, so that the ball outlet pipe 23 is hinged to the conveying pipe 22, and interference of swing of the ball outlet pipe 23 on the conveying pipe 22 is avoided.

In another embodiment, the swing portion 25 includes an upper plate 251 and a lower plate 252, the ball discharging pipe 23 is inserted into the lower plate 252 and extends outward, one end of the upper plate 251 is hinged to a moving plate 253 disposed on the top of the housing 21, and the other end thereof is engaged with the lower plate 252. One end of lower shutter 252 is engaged with upper shutter 251, and the other end is hinged to a moving plate 253 disposed at the bottom of casing 21. The engaging portion of the upper shutter 251 is disposed inside the case 21, and when the moving plate 253 moves, the upper shutter 251 is pushed to swing the upper shutter 251 against the lower shutter 252, and swings in response to the ball discharge tube 23. Alternatively, a moving part disposed at the bottom of the housing 21 moves to swing the lower shutter 252, and the engaging portion between the upper shutter 251 and the lower shutter 252 serves as a support. The moving plate 253 and the shutter may be hingedly disposed by a hinge, but is not limited thereto.

Preferably, a driving wheel 254 driven by a second motor is disposed in the housing 21, driven wheels 255 engaged with the driving wheel 254 are disposed above and below the driving wheel 254, and a rack 256 engaged with the driven wheels 255 is disposed on the moving plate 253, so that the moving plate 253 can move towards the inside or outside of the housing 21. The driven wheel 255 positioned above the driving wheel 254 is engaged with the moving plate 253 at the top of the housing 21, and the driven wheel 255 positioned below the driving wheel 254 is engaged with the moving plate 253 at the bottom of the housing 21. When the driving wheel 254 rotates, the driven wheels 255 rotate synchronously, and the driven wheel 255 above rotates in the opposite direction to the driven wheel 255 below, so that the moving plate 253 at the top of the housing 21 moves in the opposite direction to the moving plate 253 at the bottom of the housing 21. For example, when the top moving plate 253 moves towards the inside of the housing 21, the bottom moving plate 253 moves towards the outside of the housing 21, so that the upper baffle 251 and the lower baffle 252 form a surface inclined from top to bottom, and the ball outlet pipe 23 swings along with the lower baffle 252, so that the angle is inclined in the vertical direction. It should be noted that, both sides of moving plate 253 are provided with racks 256, and moving plate 253 can be configured to be sleeved on the moving groove of housing 21 for limiting, so that moving plate 253 can move along the moving groove.

In a preferred embodiment, the supporting member 4 has a first cross frame 44 and a second cross frame 45, the first cross frame 44 is disposed in parallel with the second cross frame 45, the serve unit 2 is disposed on the second cross frame 45, the fixing and adjusting portion 41 has a holding plate 411 and a fastener 412 for adjusting the holding plate 411, and the holding plate 411 is disposed on the first cross frame 44 via the fastener 412. The fastening member 412 may be a screw, a bolt, a lead screw, or the like, and the clamping plate 411 is fastened to the table tennis table surface by adjusting the screw thread.

Preferably, the vertical adjustment portion 42 has a first connecting rod 421 and a second connecting rod 422 which are arranged between the first cross frame 44 and the second cross frame 45 in a crossing manner, two cross bars 46 are arranged on the first cross frame 44 and the second cross frame 45, and the ends of the first connecting rod 421 and the second connecting rod 422 are respectively arranged on different cross bars 46. For example, the first link 421 is hinged to the middle of the second link 422, the bottom end of the first link 421 is hinged to one of the cross bars 46 of the first cross frame 44, the top end of the first link 421 is hinged to the cross bar 46 of the second cross frame 45 on the diagonal, and the second link 422 is arranged in the same manner as the first link 421. The two cross bars 46 on the same cross frame are driven to move closer to or away from each other via the driving member 423 to adjust the distance between the first cross frame 44 and the second cross frame 45. The driving member 423 disposed between the two crossbars 46 of the first cross frame 44 is an oil cylinder or an air cylinder, when the driving member 423 contracts, the crossbars 46 approach each other, the second cross frame 45 rises, when the driving member 423 expands, the crossbars 46 separate from each other, and the second cross frame 45 lowers.

The horizontal adjustment unit 43 is disposed on the second cross frame 45, and includes a moving rail 431 and a transmission block 432, and the rotating unit 3 is disposed on the rotating block. A timing belt is provided on the moving rail 431, and the timing belt is driven via a motor so that the driving block 432 can move on the moving rail 431. Preferably, the rotating assembly 3 is disposed on the transmission block 432, and the rotating assembly 3 includes a gear connected to a rotating motor, and the gear is engaged with another gear to rotate the housing 21.

On the basis of the above embodiment, in an optional embodiment of the present invention, the ball serving device further includes a control component, the first motor, the second motor, and the other driving members are electrically connected to the control component, and the control component includes a PCB and a user interface electrically connected to the PCB. The user can set the rotating speed of the rotating blade 12, the horizontal and vertical movement of the ball serving device, the swing of the ball outlet pipe 23, the rotating angle of the shell 21 and the like by operating on the user interaction interface. Controlling the driving member by the control assembly and controlling the control assembly by the user interface are prior art and will not be described herein.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention.