CN109260681B - Service device is used in volleyball training teaching - Google Patents
Service device is used in volleyball training teaching Download PDFInfo
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- CN109260681B CN109260681B CN201811397387.3A CN201811397387A CN109260681B CN 109260681 B CN109260681 B CN 109260681B CN 201811397387 A CN201811397387 A CN 201811397387A CN 109260681 B CN109260681 B CN 109260681B
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- ball
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- spring
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/0095—Training appliances or apparatus for special sports for volley-ball
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/40—Stationarily-arranged devices for projecting balls or other bodies
- A63B2069/402—Stationarily-arranged devices for projecting balls or other bodies giving spin
Abstract
The invention discloses a service device for volleyball training teaching, which comprises a base and a positive and negative motor, wherein a support column is fixed above the base, the upper part of the support column is connected with a support table through a connecting bolt, a support plate is fixed above the support table, a ball placing frame is connected above the support plate, a ball discharging port is arranged below the ball placing frame, the left side of a rotating gear is connected with a rack, a sliding groove is formed in the surface of the support column, a limiting plate is arranged at the right lower part below the ball placing frame, a groove is formed in the surface of the support plate, a fixing clamping rod is fixed inside the groove, a rotation adding lug is connected to the outer side of the fixing clamping rod, and a third spring is connected between the fixing clamping rod and the rotation adding lug. This service device is used in volleyball training teaching can supply the spheroid that sends automatically to can send the rotary ball similar with the actual combat, can also adjust spheroidal launch angle simultaneously, make the device make things convenient for teacher's use more.
Description
Technical Field
The invention relates to the technical field of teaching equipment, in particular to a service device for volleyball training teaching.
Background
Along with the development of the country, people also attach more and more importance to sports teaching, and the volleyball has one of representative sports types as sports, has also popularized university and high school student's sports class, when volleyball teaching, needs mr's long-time service to let the student study catch up, and very hard at this in-process, consequently needs to use service device for volleyball teaching.
For the service device for volleyball training on the market at present, a great part of problems still exist, such as:
1. the ball body is difficult to be automatically supplemented when the ball serving device serves the ball, and the user needs to continuously fill the ball, so that the use efficiency is low;
2. the ball serving device is difficult to beat a rotating ball, so that the simulation efficiency of a ball model in an actual match is low, and the training ball receiving effect is poor;
3. the service angle of the service device is difficult to adjust, the ball receiving effect of a student is affected, and therefore the service device for volleyball training teaching is provided so as to solve the problems.
Disclosure of Invention
The invention aims to provide a service device for volleyball training teaching, which aims to solve the problems that the prior art proposes that when a service device sends a ball, a ball body is difficult to be automatically supplemented, a user needs to continuously fill the ball, the service efficiency is low, the service device is difficult to play a rotating ball, the simulation efficiency of a ball body model in an actual match is low, the training ball receiving effect is poor, the service angle of the service device is difficult to adjust, and the ball receiving effect of a student is influenced.
In order to achieve the purpose, the invention provides the following technical scheme: a service device for volleyball training teaching comprises a base and a positive and negative motor, wherein a support column is fixed above the base, the upper part of the support column is connected with a support table through a connecting bolt, a support plate is fixed above the support table, a ball placing frame is connected above the support plate, a lower ball opening is arranged below the ball placing frame, a fixed rod is fixed on the surface of the support plate, a first spring is connected to the outer surface of the fixed rod, the right side of the first spring is connected with a sliding ring, a striking ring is fixed on the right side of the sliding ring, a first fixed block is fixed on the surface of the sliding ring, the first fixed block is connected with a second fixed block through a folding rod, a second spring is connected between the folding rods, the second fixed block is fixed on the surface of the support plate, a groove is formed in the surface of the fixed rod, and a blocking rod is, and the middle part of the blocking rod is fixedly connected with a first connecting rope which passes through the fixed rod and the supporting plate to be connected with the movable rod, a fixed pulley is fixed on the left side of the supporting platform, the movable rod is connected with the side surface of the supporting column, a foot rest lever is fixed below the movable lever, the positive and negative motors are fixedly arranged on the side surfaces of the supporting columns, the output ends of the positive and negative motors are connected with rotating gears, the output end of the positive and negative motors is penetrated with a connecting block which is fixed on the surface of the supporting column, the left side of the rotating gear is connected with a rack, the surface of the supporting column is provided with a chute, the right lower part below the ball placing frame is provided with a limiting plate, the surface of the supporting plate is provided with a groove, and the inside of recess is fixed with the fixing clip stick, the outside of fixing clip stick is connected with adds the lug of revolving, and is connected with the third spring between fixing clip stick and the lug of revolving.
Preferably, the fixing rod and the supporting plate are vertically distributed, the surface of the fixing rod is provided with a groove, and the distance of the groove opening inside the groove is equal to the diameter of the stop rod.
Preferably, the sliding ring and the fixed rod form a sliding structure, a first spring is fixed on the left side surface of the sliding ring, the sliding ring and the impact ring are connected in a bonding mode, and the impact ring is made of rubber.
Preferably, the two ends of the folding rod are connected with the first fixing block and the second fixing block through bolts, the two folding rods are symmetrically arranged relative to the fixing rod, and the interior of the folding rod is fixedly connected with the second spring.
Preferably, the movable rod and the support column form a rotating structure, the movable rod and the pedal rod are integrated, and the movable rod is connected with the first connecting rope in a binding manner.
Preferably, the rack and the support column form a sliding structure, the rack is connected with the rotating gear in a meshed mode, and the upper portion of the rack is connected with the support table through a second connecting rope.
Preferably, the limiting plate comprises a first rotating plate, a first connecting shaft, a second rotating plate, a second connecting shaft and a connecting plate, the first rotating plate is connected with the ball placing frame through the first connecting shaft, the second connecting shaft is connected to the lower portion of the first connecting shaft, the second rotating plate is connected to the surface of the second connecting shaft, and the upper portion of the right side of the second rotating plate is connected with the first rotating plate through the connecting plate.
Preferably, the rotation adding lug is of a sawtooth structure, and the rotation adding lug and the fixed clamping rod form a telescopic structure through a third spring.
Compared with the prior art, the invention has the beneficial effects that: the service device for volleyball training teaching can automatically supplement the sent balls, can send out rotary balls similar to actual combat, and can adjust the launching angle of the balls, so that the device is more convenient for teachers to use;
(1) the device is provided with a pedal rod, the pedal rod can be stepped by feet, so that the pedal rod drives the movable rod to move downwards, the movable rod drives the first connecting rope to pull the sliding ring and the impact ring to move towards the left side, the first spring fixed at the left side of the sliding ring is compressed, the second spring on the folding rod between the first fixed block and the second fixed block at the outer surface of the sliding ring is compressed, the impact block is conveniently ejected out through the compression force of the first spring and the second spring, and the ball serving process of the device is further completed;
(2) the ball body is contacted with the second rotating plate of the limiting plate when the ball body is sent out by striking the ball body by the striking block, the second rotating plate rotates on the second rotating shaft, the second rotating plate drives the first rotating plate to rotate on the first rotating shaft through the connecting plate, the left end of the first rotating plate conveniently rotates into the inner side of the ball-proof frame, the ball body above the ball-proof frame drops, the second rotating plate can rotate to block the dropped ball body due to gravity, the dropped ball body is prevented from sliding out of a ball outlet hole in the surface of the supporting plate, meanwhile, the left side of the first rotating plate above the second rotating plate abuts against the ball body above the second rotating plate, the problem that the dropped ball body is blocked due to dropping is avoided, and the device finishes the automatic ball filling process;
(3) the additional rotary lug is arranged on the side surface of the ball outlet hole of the support plate and can be contacted with the additional rotary lug when the ball moves to the right side under the impact force, so that the sawtooth shape on the surface of the additional rotary lug is contacted with the ball body, the ball body is stressed to rotate in the rightward moving process, the device can conveniently send out the rotating ball, and the ball is more suitable for the use and the hitting of volleyball games;
(4) be provided with the rack, can rotate through the electronic rotating gear of positive and negative motor, and then conveniently through rotating gear and rack meshing motion, conveniently drive the rack downstream, and then conveniently drive a supporting bench rotatory on the support column, make a supporting bench's mesa slope, and then conveniently adjust the angle of serving, improve the device's teaching effect.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic front view of the present invention;
FIG. 4 is a schematic view of the connection structure of the fixing rod and the slip ring according to the present invention;
FIG. 5 is a schematic cross-sectional view of the connection between the fixing rod and the slip ring according to the present invention;
FIG. 6 is a side cross-sectional structural view of the slip ring of the present invention;
FIG. 7 is a schematic top view of a fixing rod according to the present invention;
FIG. 8 is a schematic view of a connection structure of a limiting plate and a ball placing frame according to the present invention;
FIG. 9 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 10 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In the figure: 1. a base; 2. a support pillar; 3. a support table; 4. a connecting bolt; 5. a support plate; 6. placing a ball frame; 7. a ball discharging port; 8. a ball outlet hole; 9. fixing the rod; 10. a first spring; 11. a slip ring; 12. an impact ring; 13. a first fixed block; 14. a folding bar; 15. a second spring; 16. a second fixed block; 17. a first connecting rope; 18. a fixed pulley; 19. a movable rod; 20. a foot lever; 21. a rack; 22. connecting blocks; 23. a rotating gear; 24. a second connecting rope; 25. a chute; 26. a positive and negative motor; 27. a gear lever; 28. grooving; 29. a limiting plate; 291. a first rotating plate; 292. a first connecting shaft; 293. a second rotating plate; 294. a second connecting shaft; 295. a connecting plate; 30. a groove; 31. fixing the clamping rod; 32. adding a rotary lug; 33. and a third spring.
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. 1-10, the present invention provides a technical solution: a service device for volleyball training teaching comprises a base 1, a support pillar 2, a support table 3, a connecting bolt 4, a support plate 5, a volleyball placement frame 6, a volleyball drop opening 7, a volleyball outlet hole 8, a fixed rod 9, a first spring 10, a slip ring 11, an impact ring 12, a first fixed block 13, a folding rod 14, a second spring 15, a second fixed block 16, a first connecting rope 17, a fixed pulley 18, a movable rod 19, a foot bar 20, a rack 21, a connecting block 22, a rotating gear 23, a second connecting rope 24, a chute 25, a positive and negative motor 26, a stop rod 27, a groove 28, a limit plate 29, a groove 30, a fixed clamping rod 31, a rotation adding bump 32 and a third spring 33, wherein the support pillar 2 is fixed above the base 1, the upper part of the support pillar 2 is connected with the support table 3 through the connecting bolt 4, the support plate 5 is fixed above the support table 3, and the volle, a lower ball opening 7 is arranged below the ball placing frame 6, a fixed rod 9 is fixed on the surface of the supporting plate 5, a first spring 10 is connected on the outer surface of the fixed rod 9, the right side of the first spring 10 is connected with a sliding ring 11, an impact ring 12 is fixed on the right side of the sliding ring 11, a first fixed block 13 is fixed on the surface of the sliding ring 11, the first fixed block 13 is connected with a second fixed block 16 through a folding rod 14, a second spring 15 is connected between the folding rods 14, the second fixed block 16 is fixed on the surface of the supporting plate 5, a slot 28 is formed in the surface of the fixed rod 9, a blocking rod 27 is connected in the middle of the sliding ring 11, a first connecting rope 17 is fixedly connected in the middle of the blocking rod 27, the first connecting rope 17 passes through the fixed rod 9 and the supporting plate 5 to be connected with a movable rod 19, a fixed pulley 18 is fixed on the left side of the, and the below of movable rod 19 is fixed with pedal pole 20, positive and negative motor 26 fixed mounting is in the side of support column 2, and be connected with rotating gear 23 on positive and negative motor 26's the output, and run through connecting block 22 on positive and negative motor 26's the output, connecting block 22 fixes on the surface of support column 2, the left side of rotating gear 23 is connected with rack 21, spout 25 has been seted up on the surface of support column 2, place the limiting plate 29 in the right side below of ball frame 6 below, the surface of backup pad 5 is seted up flutedly 30, and the inside of recess 30 is fixed with fixing clip stick 31, the outside of fixing clip stick 31 is connected with and adds the lug 32 of revolving, and be connected with third spring 33 between fixing clip stick 31 and the lug 32 of revolving.
The fixing rod 9 and the supporting plate 5 are vertically distributed, the surface of the fixing rod 9 is provided with a slot 28, and the distance of the slot opening inside the slot 28 is equal to the diameter of the stop rod 27, so that the stop rod 27 inside the sliding ring 11 can conveniently slide on the slot 28 on the surface of the fixing rod 9.
The two ends of the folding rod 14 are connected with the first fixing block 13 and the second fixing block 16 through bolts, the two folding rods 14 are symmetrically arranged about the fixing rod 9, the interior of the folding rod 14 is fixedly connected with the second spring 15, the folding rod 14 can be folded under the driving of the first fixing block 13 through the movement of the sliding ring 11, the second spring 15 fixedly installed in the folding rod is compressed under the stress, and the force storage capacity of the impact ring 12 is improved.
The movable rod 19 and the support column 2 form a rotating structure, the movable rod 19 and the pedal rod 20 are of an integrated structure, the movable rod 19 and the first connecting rope 17 are connected in a binding mode, the pedal rod 20 can be stepped by a user, the pedal rod 20 drives the movable rod 19 to rotate on the support column 2, the first connecting rope 17 bound with the movable rod 19 is conveniently driven to pull downwards, the sliding ring 11 is driven to move, and the force storage work is completed.
The limiting plate 29 comprises a first rotating plate 291, a first connecting shaft 292, a second rotating plate 293, a second connecting shaft 294 and a connecting plate 295, the first rotating plate 291 is connected with the ball releasing frame 6 through the first connecting shaft 292, the second connecting shaft 294 is connected below the first connecting shaft 292, the second rotating plate 293 is connected to the surface of the second connecting shaft 294, the upper portion of the right side of the second rotating plate 293 is connected with the first rotating plate 291 through the connecting plate 295, a ball body falling off above the ball releasing frame 6 can be effectively separated through the first rotating plate 291 of the limiting plate 29, and meanwhile, due to the inclined structure of the second rotating plate 293, the ball body to be released on the supporting table 3 can be conveniently blocked, and the ball body can be prevented from sliding out of the ball hole 8.
Add rotatory lug 32 and be serration structure, and add rotatory lug 32 and constitute extending structure through third spring 33 and fixing clip stick 31, can be through adding rotatory lug 32's serration structure and the spheroid contact friction to right side rapid motion, take place to rotate, and then make the ball that sends rotatable, the service in the actual volleyball match of laminating more improves the device's teaching effect.
The working principle is as follows: firstly, as shown in fig. 1-7, when using the device, firstly, the device is pushed to the place to be used, then the device is connected with the external power supply, and the volleyball for teaching and training is poured into the ball placing frame 6, when training, the forward and reverse motor 26 can be opened, the forward and reverse motor 26 drives the rotating gear 23 to rotate, further the rotating gear 23 is meshed with the rack 21, the rack 21 is driven to move downwards, further the second connecting rope 24 above the rack 21 pulls the support platform 3 to rotate on the support post 2, after adjusting to a proper angle, the teacher can step down the foot lever 20 with foot force, so that the foot lever 20 drives the movable rod 19 to rotate downwards on the support post 2, further the movable rod 19 pulls the first connecting rope 17 downwards, further the first connecting rope 17 pulls the baffle rod 27 fixedly connected with the first connecting rope 17 to slide on the slot 28 on the surface of the fixed rod 9, further the slide ring 11 outside the baffle rod 27 moves to the left side, when the foot is released, the sliding ring 11 drives the impact ring 12 to move to the right rapidly under the action of the first spring 10 and the second spring 15, so that the impact ring 12 can hit the ball conveniently, and the ball can be conveniently hit out of the ball outlet hole 8 on the surface of the supporting plate 5;
as shown in fig. 1, 8 and 9, when the ball moves to the right, the ball contacts the surface of the second rotating plate 293 inside the limiting plate 29, the second rotating plate 293 is in an inclined structure, the ball contacts with the second rotating plate 293, so that the second rotating plate 293 rotates outward on the second connecting shaft 294, the second rotating plate 293 drives the first rotating plate 291 to rotate on the first connecting shaft 292 under the action of the connecting plate 295, so that the left side of the first rotating plate 291 rotates downward for a certain angle, thereby facilitating the falling of the ball above the ball, when the ball falls, the second rotating plate 293 rotates back to the original position due to gravity, thereby performing limit blocking on the falling ball to prevent the falling ball from rolling out of the ball outlet hole 8, and simultaneously, the second rotating plate 293 drives the first rotating plate 291 to rotate back to the original position, so that the left side of the falling ball is perpendicular to the surface of the ball placing frame 6, blocking the inside of the ball placing frame 6 to prevent the falling of the ball from falling, problems affecting the use of the device;
as shown in fig. 1, 3 and 10, when the ball is popped out of the ball hole 8 from the supporting plate 5, the ball will contact with the rotation-adding protrusion 32 inside the groove 30 inside the supporting plate 5, so that the rotation-adding protrusion 32 is forced to retract into the fixing clip rod 31 under the action of the third spring 33, the surface of the rotation-adding protrusion 32 is of a saw-toothed structure, and can contact with the ball moving at high speed right, so that the ball contacts and rubs with the rotation-adding protrusion 32 to rotate, thereby facilitating the ball emitted by the device to rotate and better fit the ball hit during the actual volleyball match, and improving the teaching and training effect of the device.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (1)
1. The utility model provides a volleyball training teaching is with device of serve, includes base (1) and positive and negative motor (26), its characterized in that: the ball discharging device is characterized in that a supporting column (2) is fixed above the base (1), the supporting column (2) is connected with a supporting table (3) through a connecting bolt (4), a supporting plate (5) is fixed above the supporting table (3), a ball placing frame (6) is connected above the supporting plate (5), a ball discharging port (7) is arranged below the ball placing frame (6), a fixing rod (9) is fixed on the surface of the supporting plate (5), a first spring (10) is connected to the outer surface of the fixing rod (9), the right side of the first spring (10) is connected with a sliding ring (11), a ball discharging hole (8) is formed in the surface of the supporting plate (5), a striking ring (12) is fixed on the right side of the sliding ring (11), a first fixing block (13) is fixed on the surface of the sliding ring (11), and the first fixing block (13) is connected with a second fixing block (16) through a folding rod (14), a second spring (15) is connected between the folding rods (14), a second fixing block (16) is fixed on the surface of the supporting plate (5), a groove (28) is formed in the surface of the fixing rod (9), a blocking rod (27) is connected to the middle of the sliding ring (11), a first connecting rope (17) is fixedly connected to the middle of the blocking rod (27), the first connecting rope (17) penetrates through the fixing rod (9) and the supporting plate (5) to be connected with the movable rod (19), a fixed pulley (18) is fixed to the left side of the supporting table (3), the movable rod (19) is connected to the side face of the supporting column (2), a pedal rod (20) is fixed to the lower portion of the movable rod (19), the positive and negative motor (26) is fixedly installed on the side face of the supporting column (2), a rotating gear (23) is connected to the output end of the positive and negative motor (26), and a connecting block (22) penetrates through the output end of the positive and negative motor, the connecting block (22) is fixed on the surface of the supporting column (2), a rack (21) is connected to the left side of the rotating gear (23), a sliding groove (25) is formed in the surface of the supporting column (2), a limiting plate (29) is installed below the ball placing frame (6) on the right side, a groove (30) is formed in the surface of the supporting plate (5), a fixing clamp rod (31) is fixed inside the groove (30), a screwing convex block (32) is connected to the outer side of the fixing clamp rod (31), and a third spring (33) is connected between the fixing clamp rod (31) and the screwing convex block (32);
the fixing rods (9) and the supporting plate (5) are vertically distributed, the surface of each fixing rod (9) is provided with a groove (28), and the distance of the inner groove opening of each groove (28) is equal to the diameter of each stop rod (27);
the sliding ring (11) and the fixed rod (9) form a sliding structure, a first spring (10) is fixed on the left side surface of the sliding ring (11), the sliding ring (11) and the impact ring (12) are connected in a bonding mode, and the impact ring (12) is made of rubber;
two ends of the folding rod (14) are connected with the first fixing block (13) and the second fixing block (16) through bolts, two folding rods (14) are symmetrically arranged relative to the fixing rod (9), and the interior of each folding rod (14) is fixedly connected with the second spring (15);
the movable rod (19) and the support column (2) form a rotating structure, the movable rod (19) and the pedal rod (20) are of an integral structure, and the movable rod (19) is connected with the first connecting rope (17) in a binding mode;
the rack (21) and the support column (2) form a sliding structure, the rack (21) is meshed with the rotating gear (23), and the upper part of the rack (21) is connected with the support table (3) through a second connecting rope (24);
the limiting plate (29) comprises a first rotating plate (291), a first connecting shaft (292), a second rotating plate (293), a second connecting shaft (294) and a connecting plate (295), the first rotating plate (291) is connected with the ball placing frame (6) through the first connecting shaft (292), the second connecting shaft (294) is connected below the first connecting shaft (292), the second rotating plate (293) is connected to the surface of the second connecting shaft (294), and the upper portion of the right side of the second rotating plate (293) is connected with the first rotating plate (291) through the connecting plate (295);
the rotation adding lug (32) is of a sawtooth structure, and the rotation adding lug (32) and the fixed clamping rod (31) form a telescopic structure through a third spring (33);
when the device is used, volleyballs for teaching and training are poured into the ball placing frame 6, when training is carried out, the positive and negative motor 26 can be opened, the positive and negative motor 26 drives the rotating gear 23 to rotate, the rotating gear 23 is further meshed with the rack 21, the rack 21 is driven to move downwards, the second connecting rope 24 above the rack 21 drives the supporting platform 3 to rotate on the supporting column 2, after the proper angle is adjusted, a teacher can downwards step on the foot lever 20 with foot force, the foot lever 20 drives the movable rod 19 to downwards rotate on the supporting column 2, the movable rod 19 downwards pulls the first connecting rope 17, the first connecting rope 17 pulls the blocking rod 27 fixedly connected with the first connecting rope 17 to slide on the open slot 28 on the surface of the fixed rod 9, the sliding ring 11 outside the blocking rod 27 moves to the left side, the sliding ring 11 extrudes the first spring 10 under the pulling force of the first connecting rope 17, and the sliding ring 11 moves to the left side, the folding rod 14 connected between the first fixing block 13 on the surface of the sliding ring 11 and the second fixing block 16 on the surface of the supporting plate 5 can be folded, so that the second spring 15 in the folding rod is compressed, the impact ring 12 on the right side of the sliding ring 11 can move conveniently to accumulate force, when the foot is released, the sliding ring 11 drives the impact ring 12 to move towards the right side rapidly under the action of the first spring 10 and the second spring 15, the impact ring 12 can hit a sphere conveniently, and the sphere can be shot out of the sphere outlet hole 8 on the surface of the supporting plate 5 conveniently;
when the ball moves to the right, the ball contacts the surface of the second rotating plate 293 in the limiting plate 29, the second rotating plate 293 is in an inclined structure, the ball contacts with the second rotating plate, so that the second rotating plate 293 can rotate outwards on the second connecting shaft 294, the second rotating plate 293 drives the first rotating plate 291 to rotate on the first connecting shaft 292 under the action of the connecting plate 295, the left side of the first rotating plate 291 rotates downwards for a certain angle, the ball above the ball falls off conveniently, after the ball falls off, the second rotating plate 293 returns to the original position due to gravity, the falling ball is limited and blocked, the ball is prevented from rolling out of the ball outlet hole 8, meanwhile, the second rotating plate 293 drives the first rotating plate 291 to rotate back to the original position, the left side of the ball is perpendicular to the surface of the ball placing frame 6, the ball inside the ball placing frame 6 is blocked, and the ball inside the ball is prevented from falling off;
when the spheroid pops out the ball hole 8 from backup pad 5, the spheroid can contact with the inside lug 32 that revolves that adds of backup pad 5 inside recess 30, make and add the lug 32 atress of revolving in the indentation fixing clip stick 31 under the effect of third spring 33, the surface that adds the lug 32 of revolving is jagged structure, can contact with the spheroid of high-speed motion right, make the spheroid and add the lug 32 contact friction that revolves and produce rotatoryly, and then make things convenient for the ball that the device sent to have the rotation, the batting when the actual volleyball match of laminating more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397387.3A CN109260681B (en) | 2018-11-22 | 2018-11-22 | Service device is used in volleyball training teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811397387.3A CN109260681B (en) | 2018-11-22 | 2018-11-22 | Service device is used in volleyball training teaching |
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| Publication Number | Publication Date |
|---|---|
| CN109260681A CN109260681A (en) | 2019-01-25 |
| CN109260681B true CN109260681B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811397387.3A Active CN109260681B (en) | 2018-11-22 | 2018-11-22 | Service device is used in volleyball training teaching |
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| CN110559637A (en) * | 2019-09-12 | 2019-12-13 | 苏州依卡蒂运动器材有限公司 | Automatic volleyball serving device for physical training |
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