CN216023086U - Self-used tennis serving device for physical training - Google Patents
Self-used tennis serving device for physical training Download PDFInfo
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- CN216023086U CN216023086U CN202122186764.2U CN202122186764U CN216023086U CN 216023086 U CN216023086 U CN 216023086U CN 202122186764 U CN202122186764 U CN 202122186764U CN 216023086 U CN216023086 U CN 216023086U
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- 238000010030 laminating Methods 0.000 claims 1
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Abstract
The utility model discloses a self-used tennis serving device for physical training, and relates to the technical field of physical training. The technical key points are as follows: the utility model discloses a box body, the box body top is equipped with and runs through the groove, it has adjusting part to run through inslot sliding connection, adjusting part one side fixedly connected with rack, the spout has all been seted up to the rack both sides, sliding connection has the stopper in the spout, stopper and box inner wall fixed connection, the meshing of rack bottom has sector gear, sector gear one side terminal surface fixedly connected with motor, motor and box inner wall fixed connection, adjusting part one side fixedly connected with guide arm, guide arm one end runs through box one side fixedly connected with and hits the ball piece, the cover is equipped with the extension spring on the guide arm, the extension spring both ends respectively with adjusting part, box inner wall fixed connection, it is equipped with service barrel to hit ball piece outside cover, fixed connection between service barrel and the box lateral wall. The tennis ball shooting device has the advantages of being simple in structure, convenient to use and capable of shooting tennis balls in a striking mode and reducing the probability of blocking the tennis balls during shooting.
Description
Technical Field
The utility model relates to the technical field of physical training, in particular to a self-used tennis serving device for physical 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.
The above prior art solution has the following drawbacks: the structure of the service device of the prior device is complex, so that tennis balls are easy to be clamped in the service process.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a self-service tennis ball serving device for physical training, which has the advantages of simple structure, convenience in use, capability of launching tennis balls in a striking mode and capability of reducing the probability of blocking the tennis balls during launching.
The above object of the present invention is achieved by the following technical solutions:
a self-service tennis ball serving device for physical training comprises a box body, wherein the box body is arranged in a hollow mode, a supporting component is arranged at the bottom of the box body, a through groove is formed in the top of the box body, an adjusting component is connected in the through groove in a sliding mode, a rack is fixedly connected to one side of the adjusting component, sliding grooves are formed in two sides of the rack, a limiting block is connected in the sliding grooves in a sliding mode, the limiting block is fixedly connected with the inner side wall of the box body, a sector gear is meshed at the bottom of the rack, a motor is fixedly connected to the end face of one side of the sector gear, the motor is fixedly connected with the inner side wall of the box body, a guide rod is fixedly connected to one side of the adjusting component, a ball hitting block is fixedly connected to one end of the guide rod and penetrates through one side of the box body, a tension spring is sleeved on the guide rod, two ends of the tension spring are fixedly connected with the adjusting component and the inner side wall of the box body respectively, and a ball serving barrel is sleeved on the outer side of the ball hitting block, the serving barrel is fixedly connected with the side wall of the box body, and a ball adding assembly is inserted at the top of the serving barrel.
By adopting the technical scheme, the supporting component is convenient for supporting the device and serving the ball; the adjusting component is convenient for adjusting the hitting force of the hitting block at one end of the guide rod and adjusting the service distance of the device; the sliding groove and the limiting block are arranged, so that the sliding direction of the rack in the box body is limited conveniently; the fan gear is arranged, so that when the fan gear is in meshing transmission with the rack, the rack can pull the guide rod through the adjusting component to enable the ball hitting block at one end of the guide rod to be away from the tennis ball, the tension spring is stretched to enable the tension spring to deform while the guide rod and the adjusting component are away from the tennis ball, and after the fan gear is not meshed with the rack, the ball hitting block at one end of the guide rod is enabled to impact the tennis ball under the restoring force of the tension spring, and the tennis ball is sent out from the serving barrel; the arranged motor is convenient for driving the sector gear to rotate; the tennis adding component is convenient for adding tennis balls into the serving barrel, and the device can be used for serving without interruption.
The present invention in a preferred example may be further configured to: the adjusting assembly comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate are arranged in the through groove, the first connecting plate and the second connecting plate are connected with the box body in a sliding mode through the through groove, a first thread block is fixedly connected to the top end of the first connecting plate, a second thread block is fixedly connected to the top end of the second connecting plate, a bidirectional threaded rod is inserted between the first thread block and the second thread block, two ends of the bidirectional threaded rod are respectively in threaded connection with the first thread block and the second thread block, and one end of the bidirectional threaded rod is fixedly connected with a knob.
By adopting the technical scheme, the arranged first connecting plate and the second connecting plate slide in the through groove, so that the distance between the first connecting plate and the second connecting plate can be conveniently adjusted by matching the first threaded block, the second threaded block and the bidirectional threaded rod, the force of the ball hitting block when hitting tennis balls can be conveniently adjusted by adjusting the distance between the ball hitting block and the rack, and the purpose of adjusting the distance of the tennis balls of the device is achieved; the knob that sets up is convenient for drive two-way threaded rod and rotates.
The present invention in a preferred example may be further configured to: the ball adding assembly comprises a ball adding barrel, the ball adding barrel is inserted into the ball serving barrel, the ball adding barrel is arranged in a hollow mode, a ball pressing plate is connected in the ball adding barrel in a sliding mode, a pressure spring is fixedly connected between the top of the ball pressing plate and the ball adding barrel, a ball containing groove is formed in the bottom of the ball adding barrel, a first through hole and a second through hole are formed in one pair of side faces, adjacent to the ball containing groove, of the ball adding barrel, the first through hole and the second through hole are located on the same axis, and the diameter of the first through hole is smaller than that of the second through hole.
By adopting the technical scheme, the tennis adding barrel is convenient for storing tennis balls and providing tennis balls for the serve barrel; the arranged ball pressing plate and the pressure spring are convenient for ensuring that after the tennis ball in the ball adding barrel is launched out, the rest tennis ball can be extruded to the ball serving barrel by the ball pressing plate under the tension of the pressure spring, so that the ball serving process is convenient to carry out; the first through hole is convenient for the guide rod to penetrate through the ball hitting block to impact the tennis ball; the tennis ball can conveniently reach the serving barrel through the second through hole; the diameter of the second through hole is larger than that of the first through hole, so that tennis balls can not enter the box body.
The present invention in a preferred example may be further configured to: the ball feeding barrel is characterized in that a limiting ring is sleeved on the outer side of the ball feeding barrel and fixedly connected with the ball feeding barrel, the bottom of the limiting ring is attached to the ball serving barrel, a plurality of positioning bolts are inserted into the top of the limiting ring and penetrate through the limiting ring, the ball serving barrel is arranged in the inserting mode, and the positioning bolts are in threaded connection with the ball serving barrel.
Through adopting above-mentioned technical scheme, the spacing ring that sets up is convenient for install on the bucket of serving with the ball bucket, and positioning bolt then is convenient for pass through positioning bolt with the ball bucket and fixes on the launching barrel, is convenient for pull down the bucket with the ball simultaneously, adds the tennis to in the bucket with the ball.
The present invention in a preferred example may be further configured to: the supporting component comprises a supporting rod, the top end of the supporting rod is connected with the box body in a rotating mode, a supporting seat is fixedly connected to the bottom of the supporting rod, a threaded sleeve is sleeved on the supporting rod and is in threaded connection with the supporting rod, a connecting ring is connected to the outer side of the threaded sleeve in a rotating mode, a pull rod is hinged to the outer side of the connecting ring, and one end of the pull rod is hinged to the bottom of the box body.
By adopting the technical scheme, the threaded sleeve is connected with the supporting rod in a threaded manner, the threaded sleeve can be conveniently rotated to lift on the supporting rod, the connecting ring is rotatably connected with the threaded sleeve, the box body can be conveniently pulled by the pull rod in the lifting process of the threaded sleeve, the box body can rotate around the top end of the supporting rod, and the angle of the device for launching the tennis ball can be conveniently adjusted.
The present invention in a preferred example may be further configured to: the equal fixedly connected with universal wheel in supporting seat bottom corner.
Through adopting above-mentioned technical scheme, the universal wheel that sets up is convenient for on the one hand remove the device position, and on the other hand is convenient for adjust through the launch angle who removes the universal wheel to the device.
In summary, the utility model includes at least one of the following beneficial technical effects:
1. the supporting component is arranged to support the device conveniently, so that the device can serve balls conveniently; the adjusting component is convenient for adjusting the hitting force of the hitting block at one end of the guide rod and adjusting the service distance of the device; the sliding groove and the limiting block are arranged, so that the sliding direction of the rack in the box body is limited conveniently; the fan gear is arranged, so that when the fan gear is in meshing transmission with the rack, the rack can pull the guide rod through the adjusting component to enable the ball hitting block at one end of the guide rod to be away from the tennis ball, the tension spring is stretched to enable the tension spring to deform while the guide rod and the adjusting component are away from the tennis ball, and after the fan gear is not meshed with the rack, the ball hitting block at one end of the guide rod is enabled to impact the tennis ball under the restoring force of the tension spring, and the tennis ball is sent out from the serving barrel; the arranged motor is convenient for driving the sector gear to rotate; the tennis adding component is arranged to facilitate adding tennis balls into the serving barrel, and the device can serve the tennis balls uninterruptedly;
2. the first connecting plate and the second connecting plate slide in the through groove, so that the distance between the first connecting plate and the second connecting plate can be conveniently adjusted by matching with the first threaded block, the second threaded block and the bidirectional threaded rod, the force of the ball hitting block when hitting tennis balls can be conveniently adjusted by adjusting the distance between the ball hitting block and the rack, and the purpose of adjusting the distance of the tennis balls of the device is achieved; the knob is arranged to drive the bidirectional threaded rod to rotate conveniently;
3. the tennis adding barrel is convenient for storing tennis balls and providing the tennis balls for the serve barrel; the arranged ball pressing plate and the pressure spring are convenient for ensuring that after the tennis ball in the ball adding barrel is launched out, the rest tennis ball can be extruded to the ball serving barrel by the ball pressing plate under the tension of the pressure spring, so that the ball serving process is convenient to carry out; the first through hole is convenient for the guide rod to penetrate through the ball hitting block to impact the tennis ball; the tennis ball can conveniently reach the serving barrel through the second through hole; the diameter of the second through hole is larger than that of the first through hole, so that tennis balls can not enter the box body.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the internal structure of the apparatus of the present invention;
fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
Reference numerals: 1. a box body; 2. a through groove; 3. an adjustment assembly; 31. a first thread block; 32. a second thread block; 33. a first connecting plate; 34. a second connecting plate; 35. a knob; 36. a bidirectional threaded rod; 4. a ball adding component; 41. adding a ball barrel; 42. a pressure spring; 43. pressing a ball plate; 44. a first through hole; 45. a second through hole; 46. a ball placing groove; 47. a limiting ring; 48. positioning the bolt; 5. a serving barrel; 6. a support assembly; 61. a support bar; 62. a supporting seat; 63. a threaded sleeve; 64. a connecting ring; 65. a pull rod; 66. a universal wheel; 7. a rack; 8. a chute; 9. a limiting block; 10. a sector gear; 11. a motor; 12. a tension spring; 13. a guide bar; 14. and (6) hitting a ball block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in figures 1 and 2, the tennis serving device for physical training disclosed by the utility model comprises a box body 1, wherein the box body 1 is hollow, a supporting component 6 is arranged at the bottom of the box body 1, a through groove 2 is arranged at the top of the box body 1, an adjusting component 3 is slidably connected in the through groove 2, a rack 7 is fixedly connected to one side of the adjusting component 3, a first connecting plate 33 in the adjusting component 3 is fixedly connected with the rack 7, sliding grooves 8 are respectively arranged at two sides of the rack 7, a limiting block 9 is slidably connected in the sliding grooves 8, the limiting block 9 is fixedly connected with the inner side wall of the box body 1, a sector gear 10 is meshed at the bottom of the rack 7, a motor 11 is fixedly connected to one side end face of the sector gear 10, the motor 11 is fixedly connected with the inner side wall of the box body 1, a guide rod 13 is fixedly connected to one side of the adjusting component 3, the guide rod 13 is fixedly connected with a second connecting plate 34, and a ball hitting block 14 is fixedly connected to one side of the guide rod 13 through one side of the box body 1, the guide rod 13 is sleeved with a tension spring 12, two ends of the tension spring 12 are fixedly connected with the inner side wall of the adjusting component 3 and the inner side wall of the box body 1 respectively, the outer side of the ball hitting block 14 is sleeved with a ball serving barrel 5, the ball serving barrel 5 is fixedly connected with the side wall of the box body 1, and the top of the ball serving barrel 5 is inserted with a ball adding component 4.
As shown in fig. 1 and 2, the adjusting assembly 3 includes a first connecting plate 33 and a second connecting plate 34, the first connecting plate 33 and the second connecting plate 34 are disposed in the through groove 2, the first connecting plate 33 and the second connecting plate 34 are slidably connected to the box body 1 through the through groove 2, a first thread block 31 is fixedly connected to a top end of the first connecting plate 33, a second thread block 32 is fixedly connected to a top end of the second connecting plate 34, a bidirectional threaded rod 36 is inserted between the first thread block 31 and the second thread block 32, two ends of the bidirectional threaded rod 36 are respectively in threaded connection with the first thread block 31 and the second thread block 32, and a knob 35 is fixedly connected to one end of the bidirectional threaded rod 36.
As shown in fig. 2 and 3, the ball adding assembly 4 includes a ball adding barrel 41, the ball adding barrel 41 is inserted into the ball serving barrel 5, the ball adding barrel 41 is hollow, only one tennis ball can pass through the ball adding barrel 41, and the tennis ball cannot shake in the ball adding barrel 41, a ball pressing plate 43 is slidably connected in the ball adding barrel 41, the ball pressing plate 43 can only slide in the ball adding barrel 41, a pressure spring 42 is fixedly connected between the top of the ball pressing plate 43 and the ball adding barrel 41, a ball placing groove 46 is formed at the bottom of the ball adding barrel 41, a first through hole 44 and a second through hole 45 are respectively formed on one pair of side surfaces of the adjacent ball placing grooves 46 of the ball adding barrel 41, the first through hole 44 and the second through hole 45 are located on the same axis, the diameter of the first through hole 44 is smaller than that of the second through hole 45, and when it is necessary to add a tennis ball into the ball adding barrel 41, a tennis ball can be added into the ball adding barrel 41 through the second through hole 45.
As shown in fig. 3, the outer side of the ball feeding barrel 41 is sleeved with a limiting ring 47, the limiting ring 47 is fixedly connected with the ball feeding barrel 41, the bottom of the limiting ring 47 is attached to the ball serving barrel 5, a plurality of positioning bolts 48 are inserted into the top of the limiting ring 47, the positioning bolts 48 penetrate through the limiting ring 47 and are inserted into the ball serving barrel 5, and the positioning bolts 48 are in threaded connection with the ball serving barrel 5.
As shown in fig. 1 and 2, the supporting assembly 6 includes a supporting rod 61, the top end of the supporting rod 61 is rotatably connected to the box body 1, the bottom of the supporting rod 61 is fixedly connected to a supporting seat 62, a threaded sleeve 63 is sleeved on the supporting rod 61, the threaded sleeve 63 is rotatably connected to the supporting rod 61, a connecting ring 64 is rotatably connected to the outer side of the threaded sleeve 63, a pull rod 65 is hinged to the outer side of the connecting ring 64, and one end of the pull rod 65 is hinged to the bottom of the box body 1.
As shown in fig. 1, the bottom corners of the supporting base 62 are fixedly connected with universal wheels 66, and the universal wheels 66 are universal wheels 66 with brakes, so that the device can be conveniently fixed, and the service and position adjustment are facilitated.
The implementation principle of the embodiment is as follows: when the device is used, the device is moved to a proper ball serving position through the universal wheel 66 at the bottom of the supporting seat 62, the ball serving barrel 5 of the device can be rotated to a proper ball serving angle through the universal wheel 66 at the bottom of the supporting seat 62, and a brake on the universal wheel 66 is stepped on; the threaded sleeve 63 is rotated to enable the threaded sleeve 63 to ascend and descend on the support rod 61, so that the connecting ring 64 on the threaded sleeve 63 can drive the box body 1 to rotate around the support rod 61 through the pull rod 65, the effect of adjusting the serve height is achieved, the motor 11 is driven, the motor 11 drives the sector gear 10 to rotate, the sector gear 10 is meshed with the rack 7, the rack 7 slides in the box body 1 through the limiting block 9, the guide rod 13 is driven to slide on the box body 1 through the first connecting plate 33, the second connecting plate 34 and the bidirectional threaded rod 36, the guide rod 13 elongates the pull spring 12 in the sliding process, after the sector gear 10 is not meshed with the rack 7, the guide rod 13 enables the ball hitting block 14 at one end of the guide rod 13 to penetrate through the first through hole 44 on the ball adding barrel 41 to hit a tennis ball in the ball placing groove 46 at the bottom of the ball adding barrel 41 under the restoring force of the tension spring 12, so that the tennis ball is launched from the ball adding barrel 5 through the second through hole 45, after the sector gear 10 is engaged with the rack 7, the sector gear 10 continues to rotate, so that the ball hitting block 14 at one end of the guide rod 13 is far away from the ball adding barrel 41, and the ball pressing plate 43 in the ball adding barrel 41 presses the tennis ball in the ball adding barrel 41 under the action of the pressure spring 42, so that the tennis ball reaches the ball placing groove 46 at the bottom of the ball adding barrel 41.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides a sports training is from using tennis service device, includes box body (1), box body (1) cavity sets up, its characterized in that: the bottom of the box body (1) is provided with a supporting component (6), the top of the box body (1) is provided with a through groove (2), the through groove (2) is internally and slidably connected with an adjusting component (3), one side of the adjusting component (3) is fixedly connected with a rack (7), two sides of the rack (7) are respectively provided with a sliding groove (8), the sliding groove (8) is internally and slidably connected with a limiting block (9), the limiting block (9) is fixedly connected with the inner side wall of the box body (1), the bottom of the rack (7) is engaged with a sector gear (10), one side end face of the sector gear (10) is fixedly connected with a motor (11), the motor (11) is fixedly connected with the inner side wall of the box body (1), one side of the adjusting component (3) is fixedly connected with a guide rod (13), one end of the guide rod (13) is fixedly connected with a ball hitting block (14), the cover is equipped with extension spring (12) on guide arm (13), extension spring (12) both ends respectively with adjusting part (3) box body (1) inside wall fixed connection, hit ball piece (14) outside cover and be equipped with service bucket (5), service bucket (5) with fixed connection between box body (1) the lateral wall, service bucket (5) top is inserted and is equipped with and adds ball subassembly (4).
2. A sports training self tennis ball serving device as claimed in claim 1, wherein: the adjusting assembly (3) comprises a first connecting plate (33) and a second connecting plate (34), the first connecting plate (33) and the second connecting plate (34) are arranged in the through groove (2), the first connecting plate (33) and the second connecting plate (34) are connected with the box body (1) in a sliding mode through the through groove (2), a first thread block (31) is fixedly connected to the top end of the first connecting plate (33), a second thread block (32) is fixedly connected to the top end of the second connecting plate (34), a bidirectional threaded rod (36) is inserted between the first thread block (31) and the second thread block (32), two ends of the bidirectional threaded rod (36) are in threaded connection with the first thread block (31) and the second thread block (32) respectively, and one end of the bidirectional threaded rod (36) is fixedly connected with a knob (35).
3. A sports training self tennis ball serving device as claimed in claim 1, wherein: the ball adding assembly (4) comprises a ball adding barrel (41), the ball adding barrel (41) is inserted into the ball serving barrel (5), the ball adding barrel (41) is arranged in a hollow mode, a ball pressing plate (43) is connected in the ball adding barrel (41) in a sliding mode, a pressure spring (42) is fixedly connected between the top of the ball pressing plate (43) and the ball adding barrel (41), a ball placing groove (46) is formed in the bottom of the ball adding barrel (41), a first through hole (44) and a second through hole (45) are formed in one pair of side faces, adjacent to the ball placing groove (46), of the ball adding barrel (41), respectively, the first through hole (44) and the second through hole (45) are located on the same axis, and the diameter of the first through hole (44) is smaller than that of the second through hole (45).
4. A sports training self tennis ball serving device as claimed in claim 3, wherein: add ball bucket (41) outside cover and be equipped with spacing ring (47), spacing ring (47) with add ball bucket (41) fixed connection, spacing ring (47) bottom with the laminating sets up between service bucket (5), a plurality of positioning bolt (48) are inserted at spacing ring (47) top, positioning bolt (48) run through spacing ring (47) are inserted and are located service bucket (5), positioning bolt (48) with service bucket (5) threaded connection.
5. A sports training self tennis ball serving device as claimed in claim 1, wherein: support assembly (6) include bracing piece (61), bracing piece (61) top with box body (1) rotates to be connected, bracing piece (61) bottom fixedly connected with supporting seat (62), the cover is equipped with thread bush (63) on bracing piece (61), thread bush (63) with bracing piece (61) threaded connection, thread bush (63) outside is rotated and is connected with go-between (64), go-between (64) outside articulates there is pull rod (65), pull rod (65) one end with box body (1) bottom is articulated.
6. The tennis serving device of claim 5, wherein: the bottom corners of the supporting seat (62) are fixedly connected with universal wheels (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186764.2U CN216023086U (en) | 2021-09-10 | 2021-09-10 | Self-used tennis serving device for physical training |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122186764.2U CN216023086U (en) | 2021-09-10 | 2021-09-10 | Self-used tennis serving device for physical training |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216023086U true CN216023086U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122186764.2U Expired - Fee Related CN216023086U (en) | 2021-09-10 | 2021-09-10 | Self-used tennis serving device for physical training |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216023086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712825A (en) * | 2022-05-09 | 2022-07-08 | 新乡医学院 | Tennis trainer that altitude mixture control can carry out |
-
2021
- 2021-09-10 CN CN202122186764.2U patent/CN216023086U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114712825A (en) * | 2022-05-09 | 2022-07-08 | 新乡医学院 | Tennis trainer that altitude mixture control can carry out |
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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: 20220315 |