CN215084745U - Novel tennis service equipment - Google Patents
Novel tennis service equipment Download PDFInfo
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- CN215084745U CN215084745U CN202120964460.1U CN202120964460U CN215084745U CN 215084745 U CN215084745 U CN 215084745U CN 202120964460 U CN202120964460 U CN 202120964460U CN 215084745 U CN215084745 U CN 215084745U
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- storage cavity
- serving
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Abstract
The utility model relates to a novel tennis service equipment. It comprises the following components: a frame; a ball storage cavity; the ball serving mechanism comprises a support, a first roller and a second roller, and the two rollers are rotatably connected with the support; the steering mechanism comprises a steering frame, a first steering motor and a second steering motor; the two ends of the conveying mechanism are respectively connected with the ball storage cavity and the ball serving mechanism; a control box; the control box can control the conveying mechanism to convey the balls in the ball storage cavity to the ball serving mechanism, and control the first roller and the second roller on the ball serving mechanism to reversely rotate at a high speed, so that a ball serving effect is realized; the steering mechanism is used for adjusting the ball serving angle. A plurality of launching angles are prestored in the control system, and the control system can randomly select one angle to launch, so that the characteristic that the launching angle of a real person is uncertain can be simulated, and a better exercise effect can be obtained.
Description
Technical Field
The utility model relates to a, especially, relate to a novel tennis service equipment.
Background
Tennis is a common ball game, and playing tennis has two characteristics of leisure and sports. Tennis is difficult to master, and needs to be exercised for a period of time, and tennis is also exercised by at least two persons, so the tennis needs to be accompanied and exercised every time. However, in reality, not all people can find the people who are willing to accompany themselves for practice, thus greatly influencing the popularization of tennis.
Disclosure of Invention
The utility model provides a novel tennis serving device with adjustable launching speed and angle; the tennis training device solves the problem that the tennis training needs to be accompanied in the prior art.
The above technical problem of the present invention can be solved by the following technical solutions: a novel tennis service equipment which characterized in that: comprises the following steps: a frame;
the ball storage cavity is fixed on the rack;
the ball serving mechanism comprises a support, a first roller and a second roller, the two rollers are rotatably connected with the support, and the two rollers are distributed in parallel at intervals and have a distance smaller than the outer diameter of the ball body; the support is provided with a guide groove which can guide the balls falling on the guide groove into a gap between the first roller and the second roller; the first roller and the second roller rotate reversely at a high speed, and after the ball enters a gap between the first roller and the second roller, the friction force can push the ball to fly out from the gap at a high speed, so that the effect of automatic ball serving is achieved;
the steering mechanism comprises a steering frame, a first steering motor and a second steering motor, the steering frame is rotatably connected relative to the rack, and the first steering motor is used for adjusting the rotating angle between the steering frame and the rack; a bracket in the ball serving mechanism is rotationally connected with the steering frame, and the second steering motor is used for adjusting the rotation angle between the steering frame and the bracket; the rotating shafts of the first steering motor and the second steering motor are vertical to each other;
the two ends of the conveying mechanism are respectively connected with the ball storage cavity and the ball serving mechanism, and the conveying mechanism can convey balls in the ball storage cavity into the guide grooves on the ball serving mechanism one by one;
the control box comprises a control system;
the control box can control the conveying mechanism to convey the balls in the ball storage cavity to the ball serving mechanism, and control the first roller and the second roller on the ball serving mechanism to reversely rotate at a high speed, so that a ball serving effect is realized; the steering mechanism is used for adjusting the ball serving angle. Because the utility model discloses a steering mechanism has two axis of rotation, consequently launch angle's coverage is wide. A plurality of launching angles are prestored in the control system, and the control system can randomly select one angle to launch, so that the characteristic that the launching angle of a real person is uncertain can be simulated, and a better exercise effect can be obtained.
Further, the conveying mechanism comprises: the cylinder, the external thread strip, the internal thread strip and the cylinder are coaxially arranged from outside to inside, the nominal diameter of the external thread strip is larger than that of the internal thread strip, and the thread pitch of the external thread strip is larger than that of the sphere; the inner threaded strip and the outer threaded strip are opposite in spiral direction, meanwhile, the outer threaded strip is fixedly arranged, and the inner threaded strip can rotate along the spiral direction of the outer threaded strip; the side walls of the two ends of the cylinder are respectively provided with an inlet and an outlet; deposit the spheroid of ball intracavity and can constantly get into the drum through the entry, the annular gap width that forms between drum and the cylinder can only hold a spheroid, and in the spheroid rolled into the drum, spheroid bottom was the first with the contact of external screw thread strip, then the spheroid can be stirred along external screw thread strip to export one end removal to pivoted internal screw thread strip. The design is such that the conveying mechanism can stabilize one output sphere.
Preferably, the cylinder is vertically arranged, the inlet is positioned at the lower end, the outlet is the upper end, the ball body is transported from bottom to top, the inlet is reduced, enough height space can be vacated for the ball storage cavity on the premise that the overall height is not increased, and the overall height is prevented from being too high.
Furthermore, a funnel is further arranged on the rack, the funnel is located below the outlet, meanwhile, an opening in the bottom of the funnel is located above the guide groove, and the width of the guide groove is larger than that of the ball body. Because steering mechanism during operation can drive the mechanism of serve and deflect, consequently the displacement of certain range can take place simultaneously to the guiding groove, in order to avoid the guiding groove to stagger with the bottom opening of funnel, enlarges this problem of solution that the width of guiding groove can be fine.
Furthermore, a first motor and a second motor are arranged on the frame and respectively control the first roller and the second roller to rotate, and rotating shafts of the first roller and the second roller are horizontally arranged. The rotating speeds of the first roller and the second roller can be independently controlled, the ball serving speed can be adjusted, the ball body can rotate by adjusting the rotating speed difference of the two rollers, and the arc line ball which can be played by a real person can be realized.
Furthermore, a plurality of rollers for supporting are arranged at the bottom of the rack, and a third motor capable of driving the rollers to roll is arranged on the rack. Therefore, the rack can move back and forth, left and right and adjust the serve position by programming a characteristic program in the control system.
Furthermore, the ball storage cavity is in a vertical or inclined long tubular shape, the inner diameter of the tube body is slightly larger than the diameter of the ball body, and the ball bodies are linearly arranged in the ball storage cavity. So that the balls will automatically roll into the cylinder one after the other under the influence of gravity.
Therefore, compared with the prior art, the utility model has the following characteristics: 1. the utility model discloses a steering mechanism has two axis of rotation, therefore launch angle's coverage is wide. A plurality of launching angles are prestored in the control system, and the control system can randomly select one angle for launching, so that the characteristic that the launching angle of a real person is uncertain can be simulated, and a better exercise effect can be obtained; 2. the rotating speeds of the first roller and the second roller can be independently controlled, the ball serving speed can be adjusted, the ball body can rotate by adjusting the rotating speed difference of the two rollers, and the arc line ball which can be played by a real person can be realized.
Drawings
FIG. 1 is a schematic view of the internal structure of the present invention;
FIG. 2 is a schematic structural view of a service mechanism and a steering mechanism;
fig. 3 is a cross-sectional view of the present invention.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1: referring to fig. 1 and 3, a novel tennis ball serving device comprises: a frame 10;
the ball storage cavity 20 is fixed on the rack;
the ball serving mechanism 30 comprises a support 31, a first roller 32 and a second roller 33 (see fig. 2), the two rollers are rotatably connected with the support, and the two rollers are distributed in parallel at intervals, and the distance between the two rollers is smaller than the outer diameter of a sphere; the support is provided with a guide groove 34 which can guide the balls falling thereon into the gap between the first roller and the second roller; the first roller and the second roller rotate reversely at a high speed, and after the ball enters a gap between the first roller and the second roller, the friction force can push the ball to fly out from the gap at a high speed, so that the effect of automatic ball serving is achieved;
the steering mechanism 40 comprises a steering frame 41, a first steering motor 42 and a second steering motor 43, the steering frame is rotatably connected with the rack, and the first steering motor is used for adjusting the rotating angle between the steering frame and the rack; a bracket in the ball serving mechanism is rotationally connected with the steering frame, and the second steering motor is used for adjusting the rotation angle between the steering frame and the bracket; the rotating shafts of the first steering motor and the second steering motor are vertical to each other;
the two ends of the conveying mechanism are respectively connected with the ball storage cavity and the ball serving mechanism, and the conveying mechanism can convey balls in the ball storage cavity into the guide grooves on the ball serving mechanism one by one;
a control box 60 containing a control system;
the control box can control the conveying mechanism to convey the balls in the ball storage cavity to the ball serving mechanism, and control the first roller and the second roller on the ball serving mechanism to reversely rotate at a high speed, so that a ball serving effect is realized; the steering mechanism is used for adjusting the ball serving angle. Because the utility model discloses a steering mechanism has two axis of rotation, consequently launch angle's coverage is wide. A plurality of launching angles are prestored in the control system, and the control system can randomly select one angle to launch, so that the characteristic that the launching angle of a real person is uncertain can be simulated, and a better exercise effect can be obtained.
Referring to fig. 1 and 3, the conveying mechanism includes: the cylinder 51, the external thread strip 52, the internal thread strip 53 and the cylinder 54 are coaxially arranged from outside to inside, the nominal diameter of the external thread strip is larger than that of the internal thread strip, and the thread pitch of the external thread strip is larger than that of a sphere; the inner threaded strip and the outer threaded strip are opposite in spiral direction, meanwhile, the outer threaded strip is fixedly arranged, and the inner threaded strip can rotate along the spiral direction of the outer threaded strip; the side walls of the two ends of the cylinder are respectively provided with an inlet 55 and an outlet 56; deposit the spheroid of ball intracavity and can constantly get into the drum through the entry, the annular gap width that forms between drum and the cylinder can only hold a spheroid, and in the spheroid rolled into the drum, spheroid bottom was the first with the contact of external screw thread strip, then the spheroid can be stirred along external screw thread strip to export one end removal to pivoted internal screw thread strip. The design is such that the conveying mechanism can stabilize one output sphere.
See fig. 3, the drum is vertical, the inlet is located the lower extreme, the export is the upper end, the spheroid is by lower supreme transportation, reduces the entry and can vacate sufficient high space for depositing the ball chamber under the prerequisite that does not increase overall height, avoids holistic high too high.
Referring to fig. 3, a funnel 11 is further arranged on the frame, the funnel is located below the outlet, meanwhile, the bottom opening of the funnel is located above the guide groove, and the width of the guide groove is larger than that of the ball. Because steering mechanism during operation can drive the mechanism of serve and deflect, consequently the displacement of certain range can take place simultaneously to the guiding groove, in order to avoid the guiding groove to stagger with the bottom opening of funnel, enlarges this problem of solution that the width of guiding groove can be fine.
Referring to fig. 2, the frame is provided with a first motor 35 and a second motor 36 for respectively controlling the rotation of the first roller and the second roller, and the rotating shafts of the first roller and the second roller are horizontally arranged. The rotating speeds of the first roller and the second roller can be independently controlled, the ball serving speed can be adjusted, the ball body can rotate by adjusting the rotating speed difference of the two rollers, and the arc line ball which can be played by a real person can be realized.
Referring to fig. 2, the rotating shaft of the first steering motor is vertically arranged, and the rotating shaft of the second steering motor is horizontally arranged and parallel to the axial direction of the first drum.
Referring to fig. 1, the bottom of the frame is provided with a plurality of rollers 12 for supporting, and the frame is provided with a third motor 13 capable of driving the rollers to roll. Therefore, the rack can move back and forth, left and right and adjust the serve position by programming a characteristic program in the control system.
Referring to fig. 3, the ball storage cavity is vertically arranged in a long tube shape, the inner diameter of the tube body is slightly larger than the diameter of the ball body, and the ball bodies are linearly arranged in the ball storage cavity. So that the balls will automatically roll into the cylinder one after the other under the influence of gravity.
The invention may be modified in many ways which will be obvious to a person skilled in the art, and such modifications are not to be considered as a departure from the scope of the invention. All such modifications as would be obvious to one skilled in the art are intended to be included within the scope of this claim.
Claims (7)
1. A novel tennis service equipment which characterized in that: comprises the following steps: a frame;
the ball storage cavity is fixed on the rack;
the ball serving mechanism comprises a support, a first roller and a second roller, the two rollers are rotatably connected with the support, and the two rollers are distributed in parallel at intervals and have a distance smaller than the outer diameter of the ball body; the support is provided with a guide groove which can guide the balls falling on the guide groove into a gap between the first roller and the second roller;
the steering mechanism comprises a steering frame, a first steering motor and a second steering motor, the steering frame is rotatably connected relative to the rack, and the first steering motor is used for adjusting the rotating angle between the steering frame and the rack; a bracket in the ball serving mechanism is rotationally connected with the steering frame, and the second steering motor is used for adjusting the rotation angle between the steering frame and the bracket; the rotating shafts of the first steering motor and the second steering motor are vertical to each other;
the two ends of the conveying mechanism are respectively connected with the ball storage cavity and the ball serving mechanism, and the conveying mechanism can convey balls in the ball storage cavity into the guide grooves on the ball serving mechanism one by one;
the control box comprises a control system;
the control box can control the conveying mechanism to convey the balls in the ball storage cavity to the ball serving mechanism, and control the first roller and the second roller on the ball serving mechanism to reversely rotate at a high speed, so that a ball serving effect is realized; the steering mechanism is used for adjusting the ball serving angle.
2. A novel tennis serving apparatus as claimed in claim 1, wherein: the conveying mechanism comprises: the cylinder, the external thread strip, the internal thread strip and the cylinder are coaxially arranged from outside to inside, the nominal diameter of the external thread strip is larger than that of the internal thread strip, and the thread pitch of the external thread strip is larger than that of the sphere; the inner threaded strip and the outer threaded strip are opposite in spiral direction, meanwhile, the outer threaded strip is fixedly arranged, and the inner threaded strip can rotate along the spiral direction of the outer threaded strip; the side walls of the two ends of the cylinder are respectively provided with an inlet and an outlet; the ball body in the ball storage cavity enters the cylinder through the inlet, and the internal thread strip rotates to stir the ball body to move towards the outlet.
3. A novel tennis serving apparatus as claimed in claim 2, wherein: still be equipped with the funnel in the frame, the funnel is located the below of export, and the bottom opening of funnel is located the top of guiding groove simultaneously, the width of guiding groove is greater than the spheroid width.
4. A novel tennis serving apparatus as claimed in claim 3, wherein: the frame is provided with a first motor and a second motor which respectively control the first roller and the second roller to rotate, and the rotating shafts of the first roller and the second roller are horizontally arranged.
5. A novel tennis serving apparatus as claimed in claim 1, wherein: the rotating shaft of the first steering motor is vertically arranged, and the rotating shaft of the second steering motor is horizontally arranged and is parallel to the axial direction of the first roller.
6. A novel tennis serving apparatus as claimed in claim 1, wherein: the bottom of the rack is provided with a plurality of rollers for supporting, and the rack is provided with a third motor capable of driving the rollers to roll.
7. A novel tennis serving apparatus as claimed in claim 2, wherein: the ball storage cavity is in a long tube shape, and the balls are linearly arranged in the ball storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120964460.1U CN215084745U (en) | 2021-05-07 | 2021-05-07 | Novel tennis service equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120964460.1U CN215084745U (en) | 2021-05-07 | 2021-05-07 | Novel tennis service equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215084745U true CN215084745U (en) | 2021-12-10 |
Family
ID=79294611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120964460.1U Expired - Fee Related CN215084745U (en) | 2021-05-07 | 2021-05-07 | Novel tennis service equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215084745U (en) |
-
2021
- 2021-05-07 CN CN202120964460.1U patent/CN215084745U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211210 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |