CN214913228U

CN214913228U - Sports tennis serving device

Info

Publication number: CN214913228U
Application number: CN202120892682.7U
Authority: CN
Inventors: 张文杰
Original assignee: Taiyuan Normal University
Current assignee: Taiyuan Normal University
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2021-11-30
Anticipated expiration: 2031-04-27

Abstract

The utility model belongs to the technical field of sports equipment technique and specifically relates to a sports tennis serving device, the on-line screen storage device comprises a base, logical groove has been seted up to the top center department of base, it all installs the pivot to lead to groove both sides center department, the pivot is kept away from logical groove one end and is installed service mechanism, the outer wall of pivot and at the internally mounted of base have adjustment mechanism, the battery is just installed in the below that leads to the groove in the inside of base, control panel is installed in the front of base, the truckle is all installed to the bottom corner of base, through setting up base and service mechanism, has solved the unable speed of adjusting service of the serving device of present tennis, and the tennis that leads to its transmission department is fast to the beginner, can't play better training effect's problem.

Description

Sports tennis serving device

Technical Field

The utility model relates to a sports apparatus technical field specifically is a sports tennis serving device.

Background

Tennis is a kind of ball game, usually two single players or two pairs of players are combined, players on the tennis court across the net to hit the tennis with a tennis racket, the tennis players can use the tennis machine to launch the tennis instead of manual fixed-point in daily training, to help players to hit the ball.

The existing tennis serving device can not adjust the serving speed, so that the tennis at the launching position of the tennis serving device is faster for beginners and can not play a good training role, and therefore, the problem needs to be improved by a sports tennis serving device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sports tennis serving device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sports tennis serving device, includes the base, logical groove has been seted up in the top center department of base, it all installs the pivot to lead to groove both sides center department, logical groove one end is kept away from in the pivot and the serving mechanism is installed, the outer wall of pivot and the internally mounted at the base have adjustment mechanism, the battery is just installed in the below that leads to the groove in the inside of base, control panel is installed in the front of base, the truckle is all installed to the bottom corner of base.

As a preferred proposal of the utility model, the ball serving mechanism comprises a ball serving box, a ball serving groove, a ball inlet pipe, a groove, a piston rod, a ball serving plate, a sleeve, a piston, a displacement sensor, an inner spring, a flow guide pipe, a micro air pump, a guide rod and a guide groove, wherein the ball serving box is arranged on a rotating shaft, the ball serving groove is arranged at the center of the front surface of the ball serving box, the ball inlet pipe is fixedly connected at the top of the ball serving groove, the groove is arranged inside the ball serving groove and at the back of the ball inlet pipe, the piston rod is connected inside the groove, one end of the piston rod, which is far away from the groove, is fixedly connected with the ball serving plate at the front surface of the ball inlet pipe, the sleeve is sleeved on the outer wall of the piston rod, one end of the piston rod, which is far away from the ball serving plate, is fixedly connected with the piston in the sleeve, the displacement sensor is fixedly connected inside the piston, the inner spring is fixedly connected with one side of the piston, which is far away from the piston rod, the top of the sleeve is fixedly connected with a guide pipe far away from the position of the piston, the top end of the guide pipe is fixedly connected with a miniature air pump, the top of the piston rod is fixedly connected with a guide rod, and the back of the ball sending groove is provided with a guide groove at the corresponding position of the guide rod.

As the utility model discloses preferred scheme, adjustment mechanism includes the worm wheel, rotates groove, worm and accommodate motor, the worm wheel is installed in the pivot, the rotation groove has been seted up to the inside of base and in the corresponding position department of worm wheel, the worm is just installed under the worm wheel to the inside in rotation groove, the front of base just corresponds position department at the worm and installs accommodate motor.

As the utility model discloses preferred scheme, the base is made by the aluminum alloy, battery and control panel's connected mode is electric connection, the walking wheel of truckle for having self-locking function, the pivot is connected for rotating with the connected mode that leads to the groove.

As the utility model discloses preferred scheme, the shape of service groove and the shape looks adaptation of tennis, the shape of goal pipe and the shape looks adaptation of tennis, the piston rod with the sleeve and the connected mode of guide bar and guide way is sliding connection, the inner spring with the sleeve and the connected mode of miniature air pump and service box is fixed connection.

As the utility model discloses preferred scheme, miniature air pump and control panel is electric connection with displacement sensor's connected mode, the shape of recess and the shape looks adaptation of service plate, the length of piston rod and the length looks adaptation in service groove, the length of guide bar and the length looks adaptation of piston rod, the shape that leads to the groove and the shape looks adaptation of service box, the piston is sliding connection with telescopic connected mode, the sleeve is fixed connection with the connected mode of recess.

As the utility model discloses preferred scheme, the connected mode of worm wheel and worm is connected for the meshing, the worm with rotate the groove and the pivot is the rotation with the connected mode that rotates the groove and is connected, the connected mode of adjusting motor's output shaft and worm is fixed connection, adjusting motor is electric connection with control panel's connected mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, through setting the base and the service mechanism, the user inputs the required service speed, the elastic coefficient of the inner spring and the length of the service slot into the control panel, the control panel can calculate the moving distance of the piston according to the input data, the control panel starts the micro air pump, the micro air pump can pump out the air in the sleeve, the piston moves inwards under the push of the external air pressure, the piston drives the service plate to move inwards through the piston rod, the service plate enters the groove, the displacement sensor in the piston can detect the moving distance, when the detected distance is the same as the calculated distance, the control panel closes the micro air pump, the micro air pump does not pump out the air in the sleeve any more, the piston does not move inwards any more, the user puts the tennis into the ball inlet pipe, the tennis can fall into the service slot along the ball inlet pipe, when the tennis is served, the control panel starts the micro air pump, the miniature air pump can inject air into the sleeve, the air pressure in the sleeve returns to be normal, the inner spring can push the piston to move outwards, the piston can push the service plate to move outwards through the piston rod, the service plate can push the tennis out of the ball slot, the moving distance of the piston is adjusted, and the pushing force generated when the inner spring pushes the piston to move is changed, so that the kinetic energy generated when the service plate moves is changed, the speed of the tennis pushed out by the service plate is changed, the problem that the existing service device of the tennis cannot adjust the service speed, the tennis at the launching position is high in speed for a beginner, and the better training effect cannot be achieved is solved.

2. The utility model discloses in, through setting up adjustment mechanism, adjusting motor can drive the worm wheel through the worm and rotate, and the worm wheel can drive the box of serve through the pivot and take place rotatoryly to change the angle of serving the box, conveniently send the tennis of different angles.

3. The utility model discloses in, through setting up the guide bar, the guide bar can keep service plate horizontal migration in service groove, and simultaneously when the service, the guide bar can block the tennis in the admission pipe, prevents that remaining tennis from falling and influencing the service next time in the admission pipe.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a partial front sectional view of the base of the present invention;

FIG. 3 is a partial side sectional view of the service box of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a base; 2. a through groove; 3. a rotating shaft; 4. a service mechanism; 5. an adjustment mechanism; 6. a storage battery; 7. a control panel; 8. a caster wheel; 401. a service box; 402. a ball-serving groove; 403. a ball inlet pipe; 404. a groove; 405. a piston rod; 406. a service plate; 407. a sleeve; 408. a piston; 409. a displacement sensor; 410. an inner spring; 411. a flow guide pipe; 412. a micro air pump; 413. a guide bar; 414. a guide groove; 501. a worm gear; 502. a rotating groove; 503. a worm; 504. the motor is regulated.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but rather are provided for the purpose of making the disclosure more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present, that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, and that the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a sports tennis serving device, which comprises a base 1, base 1's top center department has seted up logical groove 2, it all installs pivot 3 to lead to groove 2 both sides center department, pivot 3 is kept away from logical groove 2 one end and is installed serving mechanism 4, the outer wall of pivot 3 and at base 1's internally mounted have adjustment mechanism 5, base 1's inside and install battery 6 in the below that leads to groove 2, control panel 7 is installed in base 1's front, truckle 8 is all installed to base 1's bottom corner, base 1 is made by the aluminum alloy, battery 6 is electric connection with control panel 7's connected mode, truckle 8 is the walking wheel for having self-locking function, pivot 3 is connected for rotating with the connected mode that leads to groove 2.

In the embodiment, referring to fig. 1, 3 and 4, the ball serving mechanism 4 includes a ball serving box 401, a ball serving slot 402, a ball inlet tube 403, a groove 404, a piston rod 405, a ball serving plate 406, a sleeve 407, a piston 408, a displacement sensor 409, an inner spring 410, a draft tube 411, a micro air pump 412, a guide rod 413 and a guide groove 414, the ball serving box 401 is installed on the rotating shaft 3, the ball serving slot 402 is opened at the center of the front surface of the ball serving box 401, the ball inlet tube 403 is fixedly connected to the top of the ball serving slot 402, the groove 404 is opened inside the ball serving slot 402 and on the back surface of the ball inlet tube 403, the piston rod 405 is connected inside the groove 404, one end of the piston rod 405 far from the groove 404 is fixedly connected to the ball serving plate 406 on the front surface of the ball inlet tube 403, the sleeve 407 is sleeved on the outer wall of the piston rod 405 and inside the groove 404, one end of the piston rod 405 far from the ball serving plate 406 is fixedly connected to the piston 408 inside the sleeve 407, a displacement sensor 409 is fixedly connected inside the piston 408, an inner spring 410 is fixedly connected on one side of the piston 408 far from the piston rod 405, a guide pipe 411 is fixedly connected on the top of the sleeve 407 and at a position far from the piston 408, a micro air pump 412 is fixedly connected on the top end of the guide pipe 411, guide rods 413 are fixedly connected on the top and top of the piston rod 405, a guide groove 414 is formed in the back of the ball serving groove 402 and at a corresponding position of the guide rod 413, the shape of the ball serving groove 402 is matched with that of a tennis ball, the shape of the ball inlet pipe 403 is matched with that of the tennis ball, the connection modes of the piston rod 405 and the sleeve 407 and the guide rods 413 and the guide groove 414 are both in sliding connection, the connection modes of the inner spring 410 and the sleeve 407 and the connection modes of the micro air pump 412 and the ball serving box 401 are both fixedly connected, and the connection modes of the micro air pump 412 and the control panel 7 and the displacement sensor 409 are both electrically connected, the shape of the concave groove 404 is matched with the shape of the service plate 406, the length of the piston rod 405 is matched with the length of the service groove 402, the length of the guide rod 413 is matched with the length of the piston rod 405, the shape of the through groove 2 is matched with the shape of the service box 401, the piston 408 is in sliding connection with the sleeve 407, the sleeve 407 is in fixed connection with the concave groove 404, a user inputs a required service speed, the elasticity coefficient of the inner spring 410 and the length of the service groove 402 into the control panel 7, the control panel 7 calculates the moving distance of the piston 408 according to the input data, the control panel 7 starts the micro air pump 412, the micro air pump 412 pumps air in the sleeve 407, the piston 408 moves inwards under the push of external air pressure, the piston 408 drives the service plate 406 to move inwards through the piston rod 405, the service plate 406 enters the concave groove 404, the displacement sensor 409 in the piston 408 detects the moving distance, when the detected distance is the same as the calculated distance, the control panel 7 closes the micro air pump 412, the micro air pump 412 does not pump out air in the sleeve 407 any more, the piston 408 does not move inwards any more, the user puts the tennis ball into the ball inlet pipe 403, the tennis ball falls into the ball serving groove 402 along the ball inlet pipe 403, when serving, the control panel 7 starts the micro air pump 412, the micro air pump 412 injects air into the sleeve 407, the air pressure in the sleeve 407 returns to normal, the inner spring 410 pushes the piston 408 to move outwards, the piston 408 pushes the ball serving plate 406 to move outwards through the piston rod 405, the ball serving plate 406 pushes the tennis ball out of the ball serving groove 402, and the pushing force when the inner spring 410 pushes the piston 408 to move is changed by adjusting the moving distance of the piston 408, so that the kinetic energy when the ball serving plate 406 moves is changed, and the speed of the tennis ball pushed out by the ball serving plate 406 is changed.

In the embodiment, referring to fig. 1 and fig. 2, the adjusting mechanism 5 includes a worm wheel 501, a rotation slot 502, a worm 503 and an adjusting motor 504, the worm wheel 501 is mounted on the rotation shaft 3, the rotation slot 502 is disposed in the base 1 and at a position corresponding to the worm wheel 501, the worm 503 is mounted in the rotation slot 502 and right below the worm wheel 501, the adjusting motor 504 is mounted on the front surface of the base 1 and at a position corresponding to the worm 503, the worm wheel 501 and the worm 503 are connected in a meshing manner, the worm 503 and the rotation slot 502 and the rotation shaft 3 and the rotation slot 502 are connected in a rotating manner, the output shaft of the adjusting motor 504 and the worm 503 are connected in a fixed manner, the adjusting motor 504 and the control panel 7 are connected in an electrical manner, a user moves the base 1 to a designated position, the control panel 7 activates the adjusting motor 504, the adjusting motor 504 drives the worm wheel 501 to rotate through the worm 503, the worm 501 can drive the service box 401 to rotate through the rotating shaft 3, so that the angle of the service box 401 is changed, and tennis balls at different angles can be conveniently sent out.

The utility model discloses work flow: a user moves the base 1 to a designated position, the control panel 7 starts the adjusting motor 504, the adjusting motor 504 drives the worm wheel 501 to rotate through the worm 503, and the worm wheel 501 drives the ball serving box 401 to rotate through the rotating shaft 3, so that the angle of the ball serving box 401 is changed;

the user inputs the required service speed, the elastic coefficient of the inner spring 410 and the length of the service slot 402 into the control panel 7, the control panel 7 calculates the moving distance of the piston 408 according to the input data, the control panel 7 starts the micro air pump 412, the micro air pump 412 pumps out the air in the sleeve 407, the piston 408 moves inward under the push of the external air pressure, the piston 408 drives the service plate 406 to move inward through the piston rod 405, the service plate 406 enters the groove 404, the moving distance is detected by the displacement sensor 409 in the piston 408, when the detected distance is the same as the calculated distance, the control panel 7 closes the micro air pump 412, the micro air pump 412 does not pump out the air in the sleeve 407 any more, the piston 408 does not move inward any more, the user puts the tennis ball into the tennis inlet tube 403, the tennis ball falls into the service slot 402 along the tennis inlet 403, the control panel 7 starts the micro air pump 412 when serving the tennis ball, the micro air pump 412 injects air into the sleeve 407, the air pressure in the sleeve 407 returns to normal, the inner spring 410 pushes the piston 408 to move outwards, the piston 408 pushes the service plate 406 to move outwards through the piston rod 405, the service plate 406 pushes the tennis ball out of the tennis slot 402, and the pushing force generated when the inner spring 410 pushes the piston 408 to move is changed by adjusting the moving distance of the piston 408, so that the kinetic energy generated when the service plate 406 moves is changed, and the speed of the tennis ball pushed out by the service plate 406 is changed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sports tennis serving device, includes base (1), its characterized in that: the top center department of base (1) has seted up logical groove (2), it all installs pivot (3) to lead to groove (2) both sides center department, pivot (3) are kept away from logical groove (2) one end and are installed service mechanism (4), the outer wall of pivot (3) and have adjustment mechanism (5) at the internally mounted of base (1), battery (6) are just installed in the below that leads to groove (2) in the inside of base (1), control panel (7) are installed in the front of base (1), truckle (8) are all installed to the bottom corner of base (1).

2. A sports tennis serving apparatus as described in claim 1, wherein: the ball serving mechanism (4) comprises a ball serving box (401), a ball serving groove (402), a ball inlet pipe (403), a groove (404), a piston rod (405), a ball serving plate (406), a sleeve (407), a piston (408), a displacement sensor (409), an inner spring (410), a flow guide pipe (411), a micro air pump (412), a guide rod (413) and a guide groove (414), wherein the ball serving box (401) is installed on the rotating shaft (3), the ball serving groove (402) is formed in the center of the front face of the ball serving box (401), the ball inlet pipe (403) is fixedly connected to the top of the ball serving groove (402), the groove (404) is formed in the ball serving groove (402) and in the back face of the ball inlet pipe (403), the piston rod (405) is connected to the inside of the groove (404), one end of the piston rod (405) far away from the groove (404) is fixedly connected to the front face of the ball inlet pipe (403), the outer wall of piston rod (405) and cup jointed sleeve (407) in the inside of recess (404), service plate (406) one end and fixedly connected with piston (408) in sleeve (407) are kept away from in piston rod (405), the inside fixedly connected with displacement sensor (409) of piston (408), piston rod (405) one side fixedly connected with inner spring (410) is kept away from in piston (408), the top of sleeve (407) just is keeping away from piston (408) position fixedly connected with honeycomb duct (411), the miniature air pump (412) of top fixedly connected with of honeycomb duct (411), the equal fixedly connected with guide bar (413) in top and the top of piston rod (405), guide way (414) have been seted up in the back of service groove (402) and the corresponding position department at guide bar (413).

3. A sports tennis serving apparatus as described in claim 1, wherein: adjustment mechanism (5) include worm wheel (501), rotate groove (502), worm (503) and accommodate motor (504), install in pivot (3) worm wheel (501), the inside of base (1) and have seted up rotation groove (502) in the corresponding position department of worm wheel (501), rotate the inside of groove (502) and install worm (503) under worm wheel (501), the front of base (1) just installs accommodate motor (504) in worm (503) corresponding position department.

4. A sports tennis serving apparatus as described in claim 1, wherein: base (1) is made by the aluminum alloy, the connected mode of battery (6) and control panel (7) is electric connection, truckle (8) are the walking wheel that has self-locking function, pivot (3) are connected for rotating with the connected mode who leads to groove (2).

5. A sports tennis serving apparatus as claimed in claim 2, wherein: the shape of the service trough (402) is matched with that of a tennis ball, the shape of the ball inlet pipe (403) is matched with that of the tennis ball, the connection modes of the piston rod (405) and the sleeve (407) and the guide rod (413) and the guide trough (414) are both in sliding connection, and the connection modes of the inner spring (410) and the sleeve (407) and the connection modes of the micro air pump (412) and the service box (401) are both in fixed connection.

6. A sports tennis serving apparatus as claimed in claim 2, wherein: the miniature air pump (412) and control panel (7) and the connected mode of control panel (7) and displacement sensor (409) are electric connection, the shape of recess (404) and the shape looks adaptation of service plate (406), the length of piston rod (405) and the length looks adaptation of service groove (402), the length of guide bar (413) and the length looks adaptation of piston rod (405), the shape of logical groove (2) and the shape looks adaptation of service box (401), the connected mode of piston (408) and sleeve (407) is sliding connection, the connected mode of sleeve (407) and recess (404) is fixed connection.

7. A sports tennis serving apparatus as claimed in claim 3, wherein: the worm wheel (501) is connected with the worm (503) in a meshed mode, the worm (503) is connected with the rotating groove (502) in a rotating mode, the rotating shaft (3) is connected with the rotating groove (502) in a rotating mode, the output shaft of the adjusting motor (504) is fixedly connected with the worm (503) in a connecting mode, and the adjusting motor (504) is electrically connected with the control panel (7) in a connecting mode.