CN217612831U

CN217612831U - Tennis emitter

Info

Publication number: CN217612831U
Application number: CN202221184844.2U
Authority: CN
Inventors: 张高阳; 王伟伟; 张永刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2022-10-21
Anticipated expiration: 2032-05-16

Abstract

The utility model provides a tennis transmitter belongs to tennis training equipment technical field. The tennis ball launcher comprises a support structure, a launching structure, and an adjustment structure. The supporting structure comprises a supporting seat, a clamping sleeve and a support, wherein the clamping sleeve is connected with the top surface of the supporting seat in a rotating mode, the support is fixed to the top surface of the clamping sleeve, the launching structure comprises a launching tube, a cavity, a rotating piece and a ball storage piece, the launching tube is connected with the inside of the support in a rotating mode, the rotating piece is installed and fixed to the cavity, the ball storage piece is communicated with a hollow tube, the adjusting structure comprises an adjusting piece, a first pin boss and a second pin boss are connected to the adjusting piece in a rotating mode, the first pin boss is fixedly connected to the top surface of the clamping sleeve, and the second pin boss is fixedly connected to the launching tube. The utility model discloses can conveniently change the direction of serving and the angle of serving, be favorable to simulating multiple serving route and improve the training effect.

Description

Tennis emitter

Technical Field

The utility model relates to a tennis training equipment technical field particularly, relates to a tennis transmitter.

Background

Tennis ball, one of ball games. The effective tennis court is a rectangle, the length of the tennis court is 23.77 meters, the width of the single play court is 8.23 meters, and the width of the double play court is 10.97 meters. The middle is separated by a net, both parties of the game respectively occupy one party of the court, and the players hit the ball with a tennis racket.

At present, the existing tennis emitter is inconvenient to change the serving direction and adjust the emitting angle under common conditions, so that the serving direction and radian are relatively consistent when tennis training is carried out, and the training effect is affected.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the utility model provides a tennis transmitter, aiming at improving the tennis transmitter, which is used under the common conditions to inconveniently change the direction of serving and the problem of adjusting the transmitting angle.

The utility model discloses a realize like this:

the utility model provides a tennis emitter, which comprises a supporting structure, an emitting structure and an adjusting structure.

The supporting structure comprises a supporting seat, a clamping sleeve and a support, wherein the clamping sleeve is rotatably clamped on the top surface of the supporting seat, the support is fixed on the top surface of the clamping sleeve, the launching structure comprises a launching tube, a cavity, a rotating piece and a ball storage piece, the cavity is communicated and fixed at the end of the launching tube, the launching tube is rotatably connected inside the support, the rotating piece is fixedly installed on the cavity, the top surface of the launching tube is communicated and fixed with a hollow tube, a partition plate is fixed inside the launching tube, an elastic piece is installed on the partition plate, the ball storage piece is fixedly connected with the support, the ball storage piece is communicated with the hollow tube, the adjusting structure comprises an adjusting piece, a first pin boss and a second pin boss are rotatably connected on the adjusting piece, the first pin boss is fixedly connected with the top surface of the clamping sleeve, and the second pin boss is fixedly connected with the launching tube.

The utility model discloses an in one embodiment, the supporting seat includes bottom plate and lug, the lug with bottom plate fixed connection, the removal wheel is installed to the bottom of bottom plate.

The utility model discloses an in one embodiment, the inside of cutting ferrule is fixed with the support column, the support column rotates to be connected the inside of lug, the internally mounted of cutting ferrule has the ball, the surface of lug seted up with ball assorted spacing groove, the ball roll connection be in the inside of spacing groove, the fixed surface of cutting ferrule has promotion portion.

The utility model discloses an in one embodiment, the rotating member includes servo motor and axostylus axostyle, servo motor installs the bottom of cavity, the one end of axostylus axostyle with the tip fixed connection of servo motor output shaft, the tip of axostylus axostyle is rotated and is connected the inside of cavity, the surface key-type connection of axostylus axostyle has the carousel, the both ends of carousel are inlayed and are fixed with first magnet piece.

The utility model discloses an in one embodiment, the elastic component includes slider and activity post, slider sliding connection be in the inside of launching tube, the ball groove has been seted up to the one end of slider, the activity post is fixed the other end of slider, the activity post slides and runs through the baffle, the spring has been cup jointed on the surface of activity post, the both ends of spring respectively with the slider with baffle fixed connection.

In an embodiment of the present invention, the end of the movable column is fixed with a fixing plate, and one side of the fixing plate is fixed with the second magnet piece matched with the first magnet piece.

The utility model discloses an in one embodiment, store up the ball spare and include mount and ball section of thick bamboo, the mount with support fixed connection, the inside of mount is fixed with ball section of thick bamboo, the bottom of ball section of thick bamboo through flexible cover with the hollow tube is connected.

The utility model discloses an in one embodiment, the regulating part includes a screw thread section of thick bamboo, threaded rod and connecting block, threaded rod threaded connection is in the inside of a screw thread section of thick bamboo, the tip of threaded rod with the second key seat rotates to be connected, the end fixing of a screw thread section of thick bamboo has the spliced pole, the spliced pole rotates to be connected the inside of connecting block, the connecting block rotates to be connected the inside of second key seat.

The utility model has the advantages that: the utility model discloses a tennis transmitter that above-mentioned design obtained, during the use, change the launch angle of launch canister under the effect of first key seat and second key seat through the regulating part, then drive the carousel through servo motor work and rotate, when first magnet piece is close to second magnet piece, utilize magnetism can adsorb the second magnet piece on the first magnet piece, the slider will compress the spring like this, then the inside of tennis storage ball spare falls into in the ball groove, after the second magnet piece is kept away from to first magnet piece, the spring reconversion drives the slider and removes and pop out the tennis, can also rotate the cutting ferrule like this at the in-process of transmission, thereby change the direction of launching of tennis, can conveniently change the direction of serving a ball and the angle of serving a ball when serving a ball ware uses like this, be favorable to simulating multiple service route and improve the training effect.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings which 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 that for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is a schematic view of a tennis ball launcher according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a tennis ball launcher according to an embodiment of the present invention;

fig. 3 is a schematic sectional view of a launching tube and a cavity of a tennis launcher according to an embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 100-a support structure; 110-a support base; 111-a base plate; 112-a bump; 1121-limit groove; 113-a moving wheel; 120-ferrule; 121-support column; 122-a ball bearing; 130-a scaffold; 140-a pushing portion; 200-an emission structure; 210-a launch canister; 211-a hollow tube; 220-a cavity; 230-a rotating member; 231-a servo motor; 232-shaft lever; 233-rotating disc; 234 — first magnet block; 240-partition plate; 250-an elastic member; 251-a slider; 252-ball grooves; 253-a movable post; 2531-fixed plate; 2532-a second magnet block; 254-a spring; 260-ball storage parts; 261-a fixing frame; 262-a ball cylinder; 264-telescopic sleeves; 300-an adjustment structure; 310-an adjustment member; 311-a threaded barrel; 312-a threaded rod; 313-connecting column; 314-a connection block; 320-a first keyway; 330-second keyway.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides a technical solution: a tennis ball launching apparatus comprises a support structure 100, a launching structure 200 and an adjustment structure 300.

Referring to fig. 1 and 2, the supporting structure 100 includes a supporting seat 110, a ferrule 120 and a bracket 130, the ferrule 120 is rotatably clamped on the top surface of the supporting seat 110, and the bracket 130 is fixed on the top surface of the ferrule 120.

The supporting base 110 comprises a bottom plate 111 and a convex block 112, the convex block 112 is fixedly connected with the bottom plate 111, a moving wheel 113 is installed at the bottom of the bottom plate 111, and the moving wheel 113 is arranged to facilitate the movement of the emitter; the inside of cutting ferrule 120 is fixed with support column 121, support column 121 rotates the inside of connecting at lug 112, the internally mounted of cutting ferrule 120 has ball 122, lug 112's surface is seted up with ball 122 assorted spacing groove 1121, ball 122 roll connection is in the inside of spacing groove 1121, the fixed surface of cutting ferrule 120 has promotion portion 140, the tip interference of support column 121 here is connected with the bearing, the bearing is inlayed in lug 112's inside, can conveniently fix cutting ferrule 120 like this, make things convenient for cutting ferrule 120 to rotate simultaneously, the setting of ball 122 and spacing groove 1121 here can make cutting ferrule 120 rotate more laborsavingly simultaneously, this promotion portion 140 can make things convenient for the generator to remove for the pushing frame.

Referring to fig. 1-3, the launching structure 200 includes a launching tube 210, a cavity 220, a rotating member 230 and a ball storage member 260, the cavity 220 is connected and fixed to an end of the launching tube 210, the launching tube 210 is rotatably connected to an inside of the bracket 130, the rotating member 230 is mounted and fixed to the cavity 220, a hollow tube 211 is connected and fixed to a top surface of the launching tube 210, a partition 240 is fixed to the inside of the launching tube 210, an elastic member 250 is mounted on the partition 240, the ball storage member 260 is fixedly connected to the bracket 130, and the ball storage member 260 is connected to the hollow tube 211.

Rotating member 230 includes servo motor 231 and axostylus axostyle 232, servo motor 231 installs the bottom at cavity 220, the one end of axostylus axostyle 232 and the end fixed connection of servo motor 231 output shaft, the tip of axostylus axostyle 232 is rotated and is connected in the inside of cavity 220, here axostylus axostyle 232 runs through cavity 220, and its tip interference is connected with the bearing, the inside at cavity 220 is inlayed and fixed to the bearing, can be more stable when rotating like this, the surperficial key of axostylus axostyle 232 is connected with carousel 233, the both ends of carousel 233 are inlayed and are fixed with first magnet piece 234, here carousel 233 is oval.

The elastic member 250 comprises a sliding block 251 and a movable column 253, the sliding block 251 is connected inside the launching tube 210 in a sliding manner, one end of the sliding block 251 is provided with a ball groove 252, the movable column 253 is fixed at the other end of the sliding block 251, the movable column 253 penetrates through the partition plate 240 in a sliding manner, the surface of the movable column 253 is sleeved with a spring 254, and two ends of the spring 254 are respectively fixedly connected with the sliding block 251 and the partition plate 240; the end of the movable column 253 is fixed with a fixed plate 2531, one side of the fixed plate 2531 is fixed with a second magnet 2532 matched with the first magnet 234, the servo motor 231 drives the rotary plate 233 to rotate, when the first magnet 234 is close to the second magnet 2532, the second magnet 2532 can be attracted to the first magnet 234 by magnetism, so that the slide block 251 compresses the spring 254, and then tennis balls fall into the ball groove 252, when the first magnet 234 is far away from the second magnet 2532, the spring 254 is restored to the original state to drive the slide block 251 to move to eject the tennis balls, so that the continuity of launching can be improved during launching.

The ball storage part 260 comprises a fixed frame 261 and a ball barrel 262, the fixed frame 261 is fixedly connected with the support 130, the ball barrel 262 is fixed inside the fixed frame 261, the bottom of the ball barrel 262 is connected with the hollow tube 211 through a telescopic sleeve 264, the angle adjustment of the launching tube 210 can be carried out through the arrangement of the telescopic sleeve 264, and one side of the telescopic sleeve 264 can be folded so as not to influence the falling of tennis balls.

Referring to fig. 1, 2 and 4, the adjusting structure 300 includes an adjusting member 310, a first pin seat 320 and a second pin seat 330 are rotatably connected to the adjusting member 310, the first pin seat 320 is fixedly connected to the top surface of the cutting ferrule 120, and the second pin seat 330 is fixedly connected to the launch barrel 210.

Adjusting part 310 includes a screw cylinder 311, threaded rod 312 and connecting block 314, threaded rod 312 threaded connection is in the inside of screw cylinder 311, the tip and the second key seat 330 of threaded rod 312 rotate to be connected, the end fixing of screw cylinder 311 has spliced pole 313, spliced pole 313 rotates to be connected in the inside of connecting block 314, connecting block 314 rotates the inside of connecting at second key seat 330, here the tip interference of spliced pole 313 is connected with the bearing, the inside at connecting block 314 is inlayed and fixed to the bearing, threaded rod 312 can outwards stretch out when rotating screw cylinder 311, the one end that shoots a section of thick bamboo 210 like this under the effect of second key seat 330 will upwards lift up, thereby change the transmission angle.

Specifically, the working principle of the tennis emitter is as follows: when the tennis ball serving device is used, the emitter is moved to a proper position through the moving wheel 113, then the threaded rod 312 extends outwards through the rotating of the threaded barrel 311, so that one end of the emitting barrel 210 is lifted upwards under the action of the first pin base 320 and the second pin base 330, the emitting angle is changed, then the turntable 233 is driven to rotate through the work of the servo motor 231, when the first magnet 234 is close to the second magnet 2532, the second magnet 2532 can be attracted to the first magnet 234 through magnetism, so that the spring 254 is compressed by the slider 251, then tennis balls fall into the ball groove 252 from the inner parts of the ball barrel 262 and the telescopic sleeve 264, when the first magnet 234 is far away from the second magnet 2532, the spring 254 restores to drive the slider 251 to move to eject the tennis balls, so that the sleeve can also rotate 120 through the pushing part 140 in the emitting process, the emitting direction of the tennis balls is changed, so that the serving direction and the serving angle of the tennis balls can be conveniently changed when the tennis ball serving device is used, various serving paths can be simulated, and the training effect can be improved.

It should be noted that the specific model specification of the first servo motor 231 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the first servo motor 231 and its principle will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tennis ball launcher is characterized by comprising

The supporting structure (100) comprises a supporting seat (110), a clamping sleeve (120) and a support (130), the clamping sleeve (120) is rotationally clamped on the top surface of the supporting seat (110), and the support (130) is fixed on the top surface of the clamping sleeve (120);

the launching structure (200) comprises a launching tube (210), a cavity (220), a rotating piece (230) and a ball storage piece (260), wherein the cavity (220) is fixedly communicated with the end of the launching tube (210), the launching tube (210) is rotatably connected inside the bracket (130), the rotating piece (230) is fixedly installed on the cavity (220), the top surface of the launching tube (210) is fixedly communicated with a hollow tube (211), a partition plate (240) is fixedly arranged inside the launching tube (210), an elastic piece (250) is installed on the partition plate (240), the ball storage piece (260) is fixedly connected with the bracket (130), and the ball storage piece (260) is communicated with the hollow tube (211);

the adjusting structure (300) comprises an adjusting piece (310), a first pin seat (320) and a second pin seat (330) are connected to the adjusting piece (310) in a rotating mode, the first pin seat (320) is fixedly connected with the top surface of the clamping sleeve (120), and the second pin seat (330) is fixedly connected with the launching tube (210).

2. A tennis ball launching device according to claim 1, wherein the support base (110) comprises a base plate (111) and a projection (112), the projection (112) is fixedly connected with the base plate (111), and the bottom of the base plate (111) is provided with a moving wheel (113).

3. The tennis launcher according to claim 2, wherein a support post (121) is fixed inside the ferrule (120), the support post (121) is rotatably connected inside the boss (112), a ball (122) is installed inside the ferrule (120), a position-limiting groove (1121) matched with the ball (122) is formed on the surface of the boss (112), the ball (122) is rotatably connected inside the position-limiting groove (1121), and a pushing part (140) is fixed on the surface of the ferrule (120).

4. The tennis ball launcher according to claim 1, wherein the rotating member (230) comprises a servo motor (231) and a shaft (232), the servo motor (231) is installed at the bottom of the cavity (220), one end of the shaft (232) is fixedly connected with the end of the output shaft of the servo motor (231), the end of the shaft (232) is rotatably connected inside the cavity (220), a rotating disc (233) is keyed on the surface of the shaft (232), and first magnets (234) are embedded and fixed at two ends of the rotating disc (233).

5. The tennis ball launcher according to claim 4, wherein the elastic member (250) comprises a sliding block (251) and a movable column (253), the sliding block (251) is slidably connected inside the launching tube (210), one end of the sliding block (251) is opened with a ball slot (252), the movable column (253) is fixed at the other end of the sliding block (251), the movable column (253) slidably penetrates through the partition (240), a spring (254) is sleeved on the surface of the movable column (253), and two ends of the spring (254) are respectively and fixedly connected with the sliding block (251) and the partition (240).

6. A tennis ball launcher according to claim 5, wherein a fixed plate (2531) is fixed to the end of the movable column (253), and a second magnet (2532) matching the first magnet (234) is fixed to one side of the fixed plate (2531).

7. The tennis launcher according to claim 1, wherein the ball storage member (260) comprises a fixed frame (261) and a ball barrel (262), the fixed frame (261) is fixedly connected with the support (130), the ball barrel (262) is fixed inside the fixed frame (261), and the bottom of the ball barrel (262) is connected with the hollow tube (211) through a telescopic sleeve (264).

8. A tennis ball launching device as described in claim 1, wherein the adjustment member (310) comprises a threaded cylinder (311), a threaded rod (312) and a connection block (314), the threaded rod (312) is threaded inside the threaded cylinder (311), the end of the threaded rod (312) is rotatably connected to the second pin holder (330), a connection post (313) is fixed to the end of the threaded cylinder (311), the connection post (313) is rotatably connected inside the connection block (314), and the connection block (314) is rotatably connected inside the second pin holder (330).