CN112386896A

CN112386896A - Tennis ball launching mechanism for physical exercise

Info

Publication number: CN112386896A
Application number: CN202011130225.0A
Authority: CN
Inventors: 史亚青
Original assignee: Guangzhou Shangyu Technology Co ltd
Current assignee: Guangzhou Shangyu Technology Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-02-23

Abstract

The invention relates to the technical field of physical exercise and discloses a tennis ball launching mechanism for physical exercise, which comprises a shell, wherein the top of the shell is fixedly connected with a stock bin; the tennis ball launching mechanism has the advantages that the flowability of tennis balls to be launched is improved, the phenomenon that the tennis balls are blocked due to extrusion between the tennis balls is avoided, the blocking is effectively prevented, tennis ball exercise can be smoothly conducted, the falling quantity of the tennis balls is automatically limited through the combined action of the transfer disc and the second rotary disc, the single falling of the tennis balls is guaranteed, the phenomenon that a plurality of tennis balls fall simultaneously is avoided, the launching force of the launching mechanism on the tennis balls is weakened, the launching effect of the tennis balls is influenced, the launching angle of the tennis balls is automatically changed through the combined action of the launching tube, the launching plate, the rotary plate, the cone pulley, the fourth rotary disc and the gear, the problem that the launching angle is single is avoided, effective exercise cannot be achieved, the flexibility of serving the tennis balls is.

Description

Tennis ball launching mechanism for physical exercise

Technical Field

The invention relates to the technical field of physical training, in particular to a tennis ball launching mechanism for physical training.

Background

Because in the exercise process, other people can not be guaranteed to be matched with the counter-beating all the time, under the condition of no assistance of people, effective exercise can not be carried out, and the physical exercise has certain limitation. In the using process of the existing ball dispenser, because the number of the tennis balls is too large, the tennis balls are mutually extruded in the storage process, the tennis balls cannot circulate, the tennis balls are blocked, the tennis balls cannot be continuously dispensed, the tennis balls are not beneficial to exercise, manual work in the later period is needed to be carried out, the operation is complex, and in the using process of the ball dispenser, the condition that a plurality of tennis balls drop simultaneously is easy to occur, so that the ejection force is simultaneously emitted or weakened by the plurality of tennis balls, the stroke of ejection of the tennis balls is shortened, and the exercise is influenced. The transmission position of the most of ball serving devices is fixed, so that the transmission angle is single, the flexibility is greatly reduced compared with that of a real person, and a user cannot exercise effectively.

Aiming at the defects of the prior art, the invention provides a tennis ball launching mechanism for physical training, which has the advantages of tennis ball loosening, single ball discharging and variable launching angle, solves the problems of easy blocking, single ball serving angle and poor training effect, increases the fluidity of the tennis balls to be launched, avoids the blocking of the tennis balls caused by the extrusion of the tennis balls, effectively prevent blocking, ensure that tennis exercise can be smoothly carried out, automatically limit the dropping quantity of the tennis balls, ensure that a single tennis ball drops, avoid multiple tennis balls from dropping simultaneously, weaken the ejection force of an ejection mechanism on the tennis balls and influence the emission effect of the tennis balls, and can change the angle that the tennis was launched automatically, avoid because the problem that launch angle is single, can't obtain effectual exercise, increase the flexibility of service, the simulation opponent service increases the exercise degree of difficulty, makes the user obtain effective exercise.

Disclosure of Invention

Technical scheme (I)

In order to realize the purposes of loosening tennis balls, single ball outlet and variable launching angles, the invention provides the following technical scheme: a tennis firing mechanism for physical training includes shell, feed bin, rotary column, first carousel, transports dish, second carousel, launching tube, plays board, third carousel, commentaries on classics board, cone pulley, fourth carousel, gear

Wherein:

the position and connection relationship among the structures are as follows:

a tennis ball launching mechanism for physical training comprises a shell, wherein the top of the shell is fixedly connected with a bin, the surface of the bin is provided with a feed inlet, the interior of the bin is movably connected with a stirring rod, the top of the stirring rod is fixedly connected with a rotary column, the top of the bin is movably connected with a rotary column, the surface of the rotary column is provided with an X-shaped channel, the outer side of the rotary column is fixedly connected with two fixed plates with the same size, the surface of each fixed plate is provided with two notches with the same size, the outer side of the rotary column is movably connected with a first rotary disc, the outer side of the first rotary disc is fixedly connected with a support rod and a T-shaped rod, the support rod and the T-shaped rod are respectively provided with two notches with the same size, the cross rod of the T-shaped rod is arc-shaped, the outer side of the first rotary disc is movably connected with a first pull rope, one side of, the outside fixedly connected with ratchet of transporting the dish, the equal fixedly connected with straight tube in upper and lower both ends of transporting the dish, the outside swing joint who transports the dish has the second carousel, the outside fixedly connected with arc strip of second carousel, four projections that the size is the same of the outside fixedly connected with of arc strip, the outside swing joint of second carousel has the kelly.

A transmitting tube is movably connected below the transfer disc, an elastic plate is movably connected inside the transmitting tube, two springs with the same size are movably connected outside the elastic plate, a first brace is movably connected outside the elastic plate, one side of the first brace, which is far away from the elastic plate, is movably connected with a third rotary disc, a third rotary disc is movably connected outside the transmitting tube, a convex column is fixedly connected with the surface of the third rotary disc, a stop block is fixedly connected outside the third rotary disc, a rotating plate is movably connected outside the third rotary disc, a rotating shaft is movably connected outside the rotating plate, a second pull rope is movably connected outside the rotating shaft, one side of the second pull rope, which is far away from the rotating shaft, is movably connected with a second rotary disc, one side of the rotating plate, which is close to the rotating shaft, is movably connected with a spring, a cone pulley is fixedly connected at the bottom of the transmitting tube, a cone pulley is movably connected outside the cone pulley, a fourth rotary, the size of the gear saw teeth is matched with that of the gear saw teeth, a third pull rope is movably connected to the outer side of the fourth rotary disc, one side, away from the fourth rotary disc, of the third pull rope is movably connected with a rotating shaft on the outer side of the rotating plate, the outer side of the fourth rotary disc is movably connected with the gear, a rotating plate is fixedly connected to the outer side of the gear, a second pull strip is movably connected to the outer side of the rotating plate, and a spring is movably connected to one side, away from the rotating plate, of the second.

(II) advantageous effects

Compared with the prior art, the invention provides a tennis ball launching mechanism for physical training, which has the following beneficial effects:

1. this a tennis launching mechanism for physical training through the combined action of feed bin, rotary column and first carousel, increases the mobility between the tennis of waiting to launch, avoids because the extrusion between the tennis, leads to the tennis to take place the condition of jam, effectively prevents stifled, makes the tennis take exercise to go on smoothly.

2. This a tennis firing mechanism for physical training, through the combined action of transporting dish and second carousel, prescribes a limit to the whereabouts quantity of tennis automatically, guarantees that the single whereabouts of tennis, avoids many tennis to fall simultaneously, weakens the ejection mechanism to the dynamics of launching of tennis, influences the emission effect of tennis.

3. This a tennis firing mechanism for physical training through the combined action of launching tube, diving board, third carousel, commentaries on classics board, cone pulley and fourth carousel, gear, changes the angle of tennis transmission automatically, avoids because the problem that launch angle is single, can't obtain effectual exercise, and the flexibility of increase service simulates opponent service, increases the exercise degree of difficulty, makes the user obtain effective exercise.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic view of the connection between the transfer plate and the second turntable according to the present invention;

FIG. 4 is a schematic view of the connection between the fourth turntable and the gear according to the present invention.

In the figure: 1. a housing; 2. a storage bin; 3. turning the column; 4. a first turntable; 5. a transfer tray; 6. a second turntable; 7. a launch tube; 8. a spring plate; 9. a third turntable; 10. rotating the plate; 11. a cone pulley; 12. a fourth turntable; 13. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a tennis ball launching mechanism for physical training comprises a housing 1, a bin 2 is fixedly connected to the top of the housing 1, a feeding hole is formed in the surface of the bin 2, the size of the feeding hole is matched with that of a tennis ball, a stirring rod is movably connected to the interior of the bin 2, a rotary column 3 is fixedly connected to the top of the stirring rod, a rotary column 3 is movably connected to the top of the bin 2, an X-shaped channel is formed in the surface of the rotary column 3, two fixing plates with the same size are fixedly connected to the outer side of the rotary column 3, the two fixing plates are symmetrically distributed by taking the central axis of the rotary column 3 as a reference, two notches with the same size are formed in the surface of the fixing plate, the two notches are symmetrically distributed by taking the central axis of the fixing plates as a reference, a first rotary disc 4 is movably connected to the outer side of the rotary column 3, a support rod and a T, two branches are inserted between the two T-shaped rods at equal intervals, the cross rods of the T-shaped rods are arc-shaped, the size of each cross rod is matched with that of a notch of a fixing plate on the outer side of the rotary column 3, the size of each branch is matched with that of a 3X-shaped channel of the rotary column, a first pull rope is movably connected to the outer side of the first rotary disc 4, and one side, far away from the first rotary disc 4, of the first pull rope is movably connected with the second rotary disc 6.

A transfer disc 5 is movably connected below the bin 2, a notch is formed in the transfer disc 5, the size of the notch is matched with that of a tennis ball, a ratchet wheel is fixedly connected to the outer side of the transfer disc 5, straight pipes are fixedly connected to the upper end and the lower end of the transfer disc 5, the transfer disc 5 is communicated with the bin 2 through the upper straight pipe and communicated with a transmitting pipe 7 through the lower straight pipe, a second rotary disc 6 is movably connected to the outer side of the transfer disc 5, an arc strip is fixedly connected to the outer side of the second rotary disc 6, four protruding columns with the same size are fixedly connected to the outer side of the arc strip, the distance between every two adjacent protruding columns is equal, a clamping rod is movably connected to the outer side of the second rotary disc 6, the second rotary disc 6 is positioned between the transfer disc 5 and the ratchet wheel, the transmitting pipe 7 is movably connected below the transfer disc 5, through holes are formed in the surface of the transmitting pipe 7 and communicated with the lower straight pipe at the top, the outside swing joint of bullet board 8 has two springs that the size is the same, and the outside swing joint of bullet board 8 has first brace, and the one side and the third carousel 9 swing joint of bullet board 8 are kept away from to first brace, and at the beginning, bullet board 8 is located rightmost side, and the spring of its outside is in compression state, and the third carousel 9 carries out the partial rolling to the first brace in its outside this moment, and the projection in the third carousel 9 outside is hugged closely with commentaries on classics board 10.

A third rotary table 9 is movably connected to the outer side of the transmitting tube 7, a convex column is fixedly connected to the surface of the third rotary table 9, a stop block is fixedly connected to the outer side of the third rotary table 9, two sides of the stop block are inclined, the middle of the stop block and the convex column on the outer side of the third rotary table 9 are positioned on the same plane, a rotary plate 10 is movably connected to the outer side of the third rotary table 9, a rotary shaft is movably connected to the outer side of the rotary plate 10, a second pull rope is movably connected to the outer side of the rotary shaft, one side of the second pull rope far away from the rotary shaft is movably connected with the second rotary table 6, one side of the rotary plate 10 close to the rotary shaft is movably connected with a spring, one side of the spring far away from the rotary plate 10 is movably connected with the third rotary table 9, a cone pulley 11 is fixedly connected to the bottom of the transmitting tube 7, a cone pulley 11 is movably connected to the outer side of the, the inside swing joint of shell 1 has fourth carousel 12, the notch has been seted up on the surface of fourth carousel 12, the size looks adaptation of its size and the 13 sawtooth of gear, when making fourth carousel 12 rotate, can drive gear 13 and carry out intermittent type and rotate, the outside swing joint of fourth carousel 12 has the third stay cord, one side that fourth carousel 12 was kept away from to the third stay cord and the pivot swing joint in commentaries on classics board 10 outside, the outside swing joint of fourth carousel 12 has gear 13, the outside fixedly connected with of gear 13 revolves the board, the outside swing joint of revolving the board has the second brace, one side swing joint that the board was kept away from to the second brace has the spring, second brace swing joint is in the outside of cone pulley.

The working process and the principle of the device are as follows:

when the rotating column is used, the first rotating disc 4 rotates to drive the supporting rods on the outer side of the first rotating disc and the T-shaped rods to synchronously rotate, the two supporting rods and the T-shaped rods are equal in size and are inserted between the two T-shaped rods at equal intervals, the cross rods of the T-shaped rods are arc-shaped, the size of each cross rod is matched with the size of a notch of a fixing plate on the outer side of the rotating column 3, the size of each supporting rod is matched with the size of an X-shaped channel of the rotating column 3, the two supporting rods and the two T-shaped rods are sequentially close to the rotating column 3, the supporting rods move into one chute of the X-shaped chute of the rotating column 3 and then are separated from the chute to drive the rotating column 3 to rotate, the cross rods of the T-shaped rods move into one notch of the two fixing plates on the outer side of the rotating column 3 to stop the rotating column 3 in time, the other subsequent supporting rods and the T-shaped rods are close to the rotating column 3 again to enable, the tennis balls in the bin 2 are stirred to avoid blockage.

Meanwhile, the first rotary disc 4 drives the second rotary disc 6 to rotate through the first pull rope, the second rotary disc 6 drives the clamping rod on the outer side to synchronously rotate, the second rotary disc 6 is positioned between the transfer disc 5 and the ratchet wheel, the outer side of the second rotary disc 6 is fixedly connected with the arc strip, the outer side of the arc strip is fixedly connected with four convex columns with the same size, the distance between every two adjacent convex columns is equal, a notch is formed in the transfer disc 5, the size of the notch is matched with that of a tennis ball, the ratchet wheel is fixedly connected on the outer side of the transfer disc 5, initially, the notch of the transfer disc 5 faces upwards, one tennis ball in the storage bin 2 falls and is clamped in the notch of the transfer disc 5, the second rotary disc 6 drives the clamping rod to be close to the convex column on the outer side of the arc strip and is hindered by the convex columns, so that the clamping rod rotates along with the second rotary disc 6 and simultaneously takes the joint of the clamping rod and the second rotary disc 6 as a, the clamping rod is enabled to move on the surface of the ratchet wheel, the ratchet wheel is in a static state, the subsequent clamping rod is far away from the convex column and rotates to be close to the ratchet wheel under the action of self gravity, the movable clamping rod is clamped between the ratchets of the ratchet wheel, the second rotary disc 6 drives the ratchet wheel to rotate through the clamping rod, the ratchet wheel drives the transfer disc 5 on the outer side to synchronously rotate, the transfer disc 5 intermittently rotates by one hundred eighty degrees, tennis balls in the concave openings of the transfer disc 5 are driven to move into the lower straight tube of the transfer disc 5, the tennis balls fall into the launching tube 7 under the action of self action, and single launching of.

The second rotary table 6 drives the rotating shaft outside the rotating plate 10 through the second pull rope, the rotating plate 10 rotates synchronously, because the outer side of the rotating plate 10 is movably connected with the third rotary table 9, the surface of the third rotary table 9 is fixedly connected with a convex column, the outer side of the third rotary table 9 is fixedly connected with a stop block, two sides of the stop block are inclined, the middle part of the stop block and the convex column outside the third rotary table 9 are positioned on the same plane, the outer side of the third rotary table 9 is movably connected with a first brace, one side of the first brace far away from the third rotary table 9 is movably connected with an elastic plate 8, the outer side of the elastic plate 8 is movably connected with two springs with the same size, initially, the elastic plate 8 is positioned at the rightmost side, the spring at the outer side is in a compressed state, the third rotary table 9 partially winds the first brace at the outer side of the third rotary table 9, the convex column outside of the third rotary table 9 is tightly attached to the rotating plate 10, the rotating plate, the rotating plate 10 stretches the spring on the outer side of the rotating plate to be far away from the rotating shaft, the convex column on the outer side of the third rotary table 9 is not blocked by the rotating plate 10 any more, the elastic plate 8 is enabled to move leftwards under the action of the spring on the outer side, tennis balls are pushed to move and are emitted along the emission tube 7, the elastic plate 8 moves leftwards and simultaneously rotates through the first brace pulling the third rotary table 9, the subsequent rotating plate 10 rotates to be far away from the stop block and is close to the convex column on the outer side of the third rotary table 9, the third rotary table 9 drives the third rotary table 9 to rotate through the pushing convex column, the third rotary table 9 winds the first brace and pulls the elastic plate 8 to move rightmost, and preparation is made.

A rotating shaft on the outer side of the rotating plate 10 drives the fourth rotating plate 12 to rotate through a third pull rope, a notch is formed in the surface of the fourth rotating plate 12, the size of the notch is matched with the size of a sawtooth of the gear 13, a rotating plate is fixedly connected to the outer side of the gear 13, a second pull strip is movably connected to the outer side of the rotating plate, a spring is movably connected to one side, away from the rotating plate, of the second pull strip, the second pull strip is movably connected to the outer side of a conical wheel, a conical wheel 11 is movably connected to the outer side of the conical wheel, a transmitting tube 7 is fixedly connected to the top of the conical wheel 11, the central axis of the conical wheel 11 and the central axis of a lower straight tube at the top of the transmitting tube 7 are located on the same straight line, the fourth rotating plate 12 drives the gear 13 to intermittently rotate, the rotating plate on the outer side of the gear 13 is driven to synchronously rotate, the rotating, the cone pulley drives the cone pulley 11 to synchronously rotate, the cone pulley 11 drives the launching tube 7 to move, the placing angle of the launching tube 7 is automatically changed under the condition that tennis balls smoothly fall into the launching tube 7, and the training has high flexibility.

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. Tennis ball launching mechanism for physical training, comprising a housing (1), characterized in that: the top fixedly connected with feed bin (2) of shell (1), the top swing joint of feed bin (2) has rotary column (3), the outside swing joint of rotary column (3) has first carousel (4), the below swing joint of feed bin (2) has transportation dish (5), the outside swing joint of transporting dish (5) has second carousel (6), the below swing joint of transporting dish (5) has transmitting tube (7), the inside swing joint of transmitting tube (7) has diving board (8), the outside swing joint of transmitting tube (7) has third carousel (9), the outside swing joint of third carousel (9) has commentaries on classics board (10). The bottom of the transmitting tube (7) is fixedly connected with a cone pulley (11), the inner part of the shell (1) is movably connected with a fourth turntable (12), and the outer side of the fourth turntable (12) is movably connected with a gear (13).

2. The tennis launching mechanism for physical training of claim 1, wherein: the feed inlet has been seted up on the surface of feed bin (2), and the inside swing joint of feed bin (2) has the stirring rod, stirs top fixedly connected with rotary column (3) of rod, and X form channel has been seted up on the surface of rotary column (3), two fixed plates that the size is the same of the outside fixedly connected with of rotary column (3), and two notches that the size is the same have been seted up on the surface of fixed plate.

3. The tennis launching mechanism for physical training of claim 1, wherein: the outer side of the first rotary table (4) is fixedly connected with two supporting rods and two T-shaped rods, the specifications of the two supporting rods and the T-shaped rods are the same, the cross rods of the T-shaped rods are arc-shaped, the outer side of the first rotary table (4) is movably connected with a first pull rope, and one side, away from the first rotary table (4), of the first pull rope is movably connected with a second rotary table (6).

4. The tennis launching mechanism for physical training of claim 1, wherein: the notch has been seted up to the inside of transporting dish (5), transports the outside fixedly connected with ratchet of dish (5), transports the equal fixedly connected with straight tube in both ends from top to bottom of dish (5), the outside fixedly connected with arc strip of second carousel (6), four projections that the size is the same of the outside fixedly connected with of arc strip, the outside swing joint of second carousel (6) has the kelly.

5. The tennis launching mechanism for physical training of claim 1, wherein: the spring plate is characterized in that two springs with the same size are movably connected to the outer side of the spring plate (8), a first brace is movably connected to the outer side of the spring plate (8), one side, away from the spring plate (8), of the first brace is movably connected with a third turntable (9), a convex column is fixedly connected to the surface of the third turntable (9), and a stop block is fixedly connected to the outer side of the third turntable (9).

6. The tennis launching mechanism for physical training of claim 1, wherein: the outer side of the rotating plate (10) is movably connected with a rotating shaft, the outer side of the rotating shaft is movably connected with a second pull rope, one side, away from the rotating shaft, of the second pull rope is movably connected with a second rotating disc (6), and one side, close to the rotating shaft, of the rotating plate (10) is movably connected with a spring.

7. The tennis launching mechanism for physical training of claim 1, wherein: the outside swing joint of cone pulley (11) has the cone pulley, and the notch has been seted up on the surface of fourth carousel (12), and its size and the size looks adaptation of gear (13) sawtooth, the outside swing joint of fourth carousel (12) has the third stay cord, and one side that fourth carousel (12) were kept away from to the third stay cord and the pivot swing joint in commentaries on classics board (12) outside, the outside fixedly connected with spiral plate of gear (13), the outside swing joint of spiral plate has the second brace, and one side swing joint that the spiral plate was kept away from to the second brace has the spring.