CN108905153B - Tennis continuous serving device - Google Patents
Tennis continuous serving device Download PDFInfo
- Publication number
- CN108905153B CN108905153B CN201811000656.8A CN201811000656A CN108905153B CN 108905153 B CN108905153 B CN 108905153B CN 201811000656 A CN201811000656 A CN 201811000656A CN 108905153 B CN108905153 B CN 108905153B
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- ball hitting
- ball
- plate
- arm
- rod
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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
- A63B69/38—Training appliances or apparatus for special sports for tennis
- A63B69/385—Training appliances or apparatus for special sports for tennis for practising the serve
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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
Abstract
The invention discloses a tennis continuous serving device, which consists of a support frame body, a ball hitting barrel body and a ball hitting device, wherein a support frame body fixing seat is arranged on the ground; two second support frames are symmetrically fixed on the front side of the top of the support frame body bottom plate, and a first support frame is fixed on the rear side of the top of the bottom plate; the batting barrel body comprises a lower batting frame, an upper batting barrel is fixedly arranged on the upper portion of the lower batting frame through a bolt, a ball storage barrel is formed at the top of the batting barrel in a communicated mode, and a batting plate embedding groove is formed in the root of the ball storage barrel. According to the tennis ball shooting device, a plurality of tennis balls can be placed in and shot out one by one, and the tennis balls do not need to be placed in and shot out individually, so that the effects of time saving and labor saving are achieved; the first support frame is adjustable in height, and an operator can conveniently adjust the serve in multiple angles. The tennis continuous serving device is simple in structure, stable in operation, low in equipment cost and suitable for large-scale and large-amplitude teaching in universities and colleges.
Description
The technical field is as follows:
the invention relates to the technical field of sports training equipment, in particular to a tennis continuous serving device.
Background art:
with the increasing emphasis of schools on sports, tennis has become a sport project in many schools, and schools have carefully developed excellent tennis players for the country and society. However, since tennis is a sport item which is not easy to get on hand and has certain requirements for training fields, it is not easy to practice or train at any time, and students often have difficulty in mastering various techniques of tennis because they are not familiar with the sphericity of tennis in the course of beginners.
When tennis is trained, if nobody trains together, the pitching machine is used for training, but the existing tennis pitching machine has high manufacturing cost, can not adjust the launching angle of tennis, and needs to put balls into the pitching machine one by one, which wastes time and labor. Therefore, it is needed to design a tennis ball serving device with low manufacturing cost, which can adjust the launching angle of tennis balls, and can place a large number of balls together without placing the balls one by one, thereby saving time and labor.
The invention content is as follows:
the invention aims to provide a tennis continuous serving device aiming at the defects of the prior art.
The technical solution of the invention is as follows:
a tennis continuous serving device comprises a support frame body, a ball hitting barrel body and a ball hitting device, wherein a support frame body fixing seat is arranged on the ground, two ends of the bottom of the ball hitting barrel body are installed on the support frame body, and the ball hitting device is fixedly installed inside the ball hitting barrel body;
the supporting frame body comprises a bottom plate, two second supporting frames are symmetrically fixed on the front side of the top of the bottom plate, and a first supporting frame is fixed on the rear side of the top of the bottom plate;
the ball hitting barrel body comprises a lower ball hitting frame, an upper ball hitting barrel is fixedly mounted at the upper part of the lower ball hitting frame through a bolt, a first ear plate and a second ear plate are fixedly connected to two ends of the bottom of the lower ball hitting frame, and the first ear plate and the second ear plate are hinged to a first supporting frame and a second supporting frame through a first rotating rod and a second rotating rod respectively; the upper ball hitting barrel is a semi-arc ball hitting barrel, the top of the upper ball hitting barrel is communicated with and formed with a ball storage barrel, and the root of the ball storage barrel is provided with a ball clamping plate embedding groove;
the ball hitting device comprises a ball hitting device supporting plate, the ball hitting device supporting plate is fixedly installed on the lower ball hitting frame, a ball hitting motor installing plate is integrally formed on the side portion of the ball hitting device supporting plate, two sliding limiting plates are fixed to the top of the ball hitting device supporting plate, a sliding channel is formed between the two sliding limiting plates, a spring supporting strip is fixedly connected to the middle of the ball hitting device supporting plate, and a ball hitting pin is fixed to the end portion of the ball hitting device supporting plate;
the ball hitting device further comprises a ball hitting motor, a stretching arm, a first linkage arm, a second linkage arm, a first ball hitting arm, a second ball hitting arm and a spring, wherein the ball hitting motor is fixedly installed on a ball hitting motor installation plate, the stretching arm is installed in a sliding track in a sliding mode, the first ball hitting arm and the second ball hitting arm are both hinged to a ball hitting pin, two ends of the first linkage arm are respectively hinged to the first ball hitting arm and the stretching arm through rotating pins, two ends of the second linkage arm are respectively hinged to the second ball hitting arm and the stretching arm through rotating pins, one end of the spring is fixedly installed on a spring support strip, and the other end of the spring is abutted to the rear portions of the first ball hitting arm and the second ball hitting arm; a rack is formed at the rear part of the stretching arm and is arranged in the sliding way in a sliding way; the ball hitting motor is provided with a bidirectional output shaft, one shaft end of the bidirectional output shaft is fixedly connected with a ball hitting driving gear in a pin joint mode, the ball hitting driving gear is meshed with the rack and connected with the rack, and the other shaft end of the bidirectional output shaft is fixedly connected with a driving disc in a pin joint mode;
a ball clamping plate rotating rod is fixedly installed on one side of the top of the lower hitting rack, the middle of the ball clamping plate is hinged to the ball clamping plate rotating rod, and the ball clamping plate is embedded into the ball clamping plate embedding groove in a sliding mode; the edge of the ball clamping plate is hinged with an elastic connecting rod through a rotating pin, the other side of the elastic connecting rod is hinged with one end of a pulling rod through a rotating pin, and the other end of the pulling rod is hinged and installed at the eccentric position of the side part of the driving disc through a rotating pin.
The two side rod bodies of the second rotating rod, which are positioned between the second lug plate and the second support frame, are respectively provided with a threaded part, and the threaded parts at the two sides are respectively screwed with a first nut and a second nut; the first nut is screwed and attached to the side portion of the second lug plate, and the second nut is screwed and attached to the side portion of the second support frame.
The first support frame comprises a bottom inserting sleeve and a top inserting rod, the bottom inserting sleeve is fixedly installed on the rear side of the top of the bottom plate, the top inserting rod is inserted into the bottom inserting sleeve, and the top of the top inserting rod is hinged to the first lug plate through a first rotating rod.
The bottom plug bush is provided with a plug bush fixing hole, the top plug rod is provided with a plurality of plug rod fixing holes, the limiting rod is sequentially inserted and installed in the plug bush fixing hole and the plug rod fixing hole, and the relative positions of the bottom plug bush and the top plug rod are fixed.
The driving disk is arranged outside the batting barrel body.
The ball striking drive gear has a partial tooth portion.
At the initial stage of use, a plurality of tennis balls are thrown into the ball storage barrel, the two ball hitting arms are in a backward stretching state under the driving of the ball hitting motor, and the driving disc gradually pulls the ball clamping plate to rotate outwards along the ball clamping plate rotating rod; when the drive gear is disengaged from the rack, the ball clamping plate rotates towards the ball storage barrel to ensure the ball falling unicity, and the spring releases the drawing force of the motor to drive the tennis out through the ball hitting arm.
The invention has the beneficial effects that: according to the tennis ball shooting device, a plurality of tennis balls can be placed in and shot out one by one, and the tennis balls do not need to be placed in and shot out individually, so that the effects of time saving and labor saving are achieved; the first support frame is adjustable in height, and an operator can conveniently adjust the serve in multiple angles. The tennis continuous serving device is simple in structure, stable in operation, low in equipment cost and suitable for large-scale and large-amplitude teaching in universities and colleges.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the construction of the ball striking device;
fig. 3 is a partial schematic view of the ball striking device;
fig. 4 is a schematic structural view of a ball striking device support plate.
The specific implementation mode is as follows:
in order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
As shown in fig. 1-4, a tennis continuous serving device comprises a support frame, a batting barrel and a batting device 3, wherein the support frame is fixed on the ground, the support frame is arranged at two ends of the bottom of the batting barrel, and the batting device 3 is fixedly arranged in the batting barrel;
the support frame body comprises a bottom plate 10, two second support frames 12 are symmetrically fixed on the front side of the top of the bottom plate 10, and a first support frame is fixed on the rear side of the top of the bottom plate 10;
the ball hitting barrel body comprises a lower ball hitting frame 21, an upper ball hitting barrel 22 is fixedly mounted at the upper part of the lower ball hitting frame 21 through a bolt, a first ear plate 211 and a second ear plate 212 are fixedly connected to two ends of the bottom of the lower ball hitting frame 21, and the first ear plate 211 and the second ear plate 212 are respectively hinged to a first supporting frame and a second supporting frame 12 through a first rotating rod and a second rotating rod 120; the upper batting barrel 22 is a semi-arc batting barrel, the top of the upper batting barrel is communicated and formed with a ball storage barrel 23, and the root of the ball storage barrel 23 is provided with a ball clamping plate embedding groove;
the ball hitting device 3 comprises a ball hitting device support plate 31, the ball hitting device support plate 31 is fixedly installed on the lower ball hitting frame 21, a ball hitting motor installation plate 311 is integrally formed at the side part of the ball hitting device support plate 31, two sliding limit plates 312 are fixed at the top part of the ball hitting device support plate 31, a sliding way is formed between the two sliding limit plates 312, a spring support strip 313 is fixedly connected to the middle part of the ball hitting device support plate 31, and a ball hitting pin 314 is fixed at the end part of the ball hitting device support plate 31;
the ball hitting device 3 further comprises a ball hitting motor 5, a stretching arm 32, a first linkage arm 331, a second linkage arm 332, a first ball hitting arm 341, a second ball hitting arm 342 and a spring 35, wherein the ball hitting motor 5 is fixedly mounted on a ball hitting motor mounting plate 311, the stretching arm 32 is slidably mounted in a sliding track, the first ball hitting arm 341 and the second ball hitting arm 342 are both hinged to a ball hitting pin 314, two ends of the first linkage arm 331 are respectively hinged to the first ball hitting arm 341 and the stretching arm 32 through rotating pins, two ends of the second linkage arm 332 are respectively hinged to the second ball hitting arm 342 and the stretching arm 32 through rotating pins, one end of the spring 35 is fixedly mounted on a spring support bar 313, and the other end of the spring 35 is abutted to the rear parts of the first ball hitting arm 341 and the second ball hitting arm 342; the rear part of the stretching arm 32 is formed with a rack 321, and the rack 321 is slidably mounted in the sliding way; the ball hitting motor 5 is provided with a bidirectional output shaft, one shaft end of the bidirectional output shaft is fixedly connected with a ball hitting driving gear 52 in a pin joint mode, the ball hitting driving gear 52 is in meshed connection with the rack 321, and the other shaft end of the bidirectional output shaft is fixedly connected with a driving disc 51 in a pin joint mode;
a ball clamping plate rotating rod 41 is fixedly installed on one side of the top of the lower hitting rack 21, the middle part of the ball clamping plate 42 is hinged on the ball clamping plate rotating rod 41, and the ball clamping plate 42 is embedded in the ball clamping plate embedding groove in a sliding manner; an elastic connecting rod 43 is hinged to the edge of the ball clamping plate 42 through a rotating pin, the other side of the elastic connecting rod 43 is hinged to one end of a pulling rod 44 through a rotating pin, and the other end of the pulling rod 44 is hinged to the side eccentric position of the driving disk 51 through a rotating pin.
The two side shafts of the second rotating rod 120 between the second ear plate 212 and the second support frame 12 are both provided with threaded parts, and the threaded parts on the two sides are both screwed with a first nut 121 and a second nut 122; the first nut 121 is screwed and attached to the side of the second ear plate 212, and the second nut 122 is screwed and attached to the side of the second support frame 12.
The first support frame comprises a bottom plug bush 111 and a top plug rod 112, the bottom plug bush 111 is fixedly installed on the rear side of the top of the bottom plate 10, the top plug rod 112 is inserted into the bottom plug bush 111, and the top of the top plug rod 112 is hinged to the first ear plate 211 through a first rotating rod.
A plug bush fixing hole is formed in the bottom plug bush 111, a plurality of plug rod fixing holes are formed in the top plug rod 112, the limiting rod 113 is sequentially inserted into the plug bush fixing hole and the plug rod fixing hole, and the relative positions of the bottom plug bush 111 and the top plug rod 112 are fixed.
The drive plate 51 is disposed outside the barrel.
The ball striking drive gear 52 has partial teeth.
At the initial stage of use, a plurality of tennis balls are thrown into the ball storage barrel, the two ball hitting arms are in a backward stretching state under the driving of the ball hitting motor, and the driving disc gradually pulls the ball clamping plate to rotate outwards along the ball clamping plate rotating rod; when the drive gear is disengaged from the rack, the ball clamping plate rotates towards the ball storage barrel to ensure the ball falling unicity, and the spring releases the drawing force of the motor to drive the tennis out through the ball hitting arm. The first supporting frame is adjustable in height, so that an operator can conveniently adjust the serve in multiple angles,
the examples are intended to illustrate the invention, but not to limit it. The described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the appended claims should be accorded the full scope of the invention as set forth in the appended claims.
Claims (6)
1. A tennis continuous serving device comprises a support frame body, a ball hitting barrel body and a ball hitting device (3), wherein a support frame body fixing seat is arranged on the ground, two ends of the bottom of the ball hitting barrel body are installed on the support frame body, and the ball hitting device (3) is fixedly installed inside the ball hitting barrel body; the method is characterized in that:
the support frame body comprises a bottom plate (10), two second support frames (12) are symmetrically fixed on the front side of the top of the bottom plate (10), and a first support frame is fixed on the rear side of the top of the bottom plate (10);
the ball hitting barrel body comprises a lower ball hitting frame (21), an upper ball hitting barrel (22) is fixedly mounted at the upper part of the lower ball hitting frame (21) through a bolt, a first ear plate (211) and a second ear plate (212) are fixedly connected to two ends of the bottom of the lower ball hitting frame (21), and the first ear plate (211) and the second ear plate (212) are respectively hinged to a first supporting frame and a second supporting frame (12) through a first rotating rod and a second rotating rod (120); the upper ball hitting barrel (22) is a semi-arc ball hitting barrel, the top of the upper ball hitting barrel is communicated with and formed with a ball storage barrel (23), and the root of the ball storage barrel (23) is provided with a ball clamping plate embedding groove;
the ball hitting device (3) comprises a ball hitting device supporting plate (31), the ball hitting device supporting plate (31) is fixedly installed on the lower ball hitting frame (21), a ball hitting motor installing plate (311) is integrally formed on the side portion of the ball hitting device supporting plate (31), two sliding limiting plates (312) are fixed to the top of the ball hitting device supporting plate (31), a sliding channel is formed between the two sliding limiting plates (312), a spring supporting strip (313) is fixedly connected to the middle portion of the ball hitting device supporting plate (31), and a ball hitting pin (314) is fixed to the end portion of the ball hitting device supporting plate (31);
the ball hitting device (3) further comprises a ball hitting motor (5), a stretching arm (32), a first linkage arm (331), a second linkage arm (332), a first ball hitting arm (341), a second ball hitting arm (342) and a spring (35), the ball hitting motor (5) is fixedly mounted on a ball hitting motor mounting plate (311), the stretching arm (32) is slidably mounted in a sliding track, the first ball hitting arm (341) and the second ball hitting arm (342) are both hinged to a ball hitting pin (314), two ends of the first linkage arm (331) are respectively hinged to the first ball hitting arm (341) and the stretching arm (32) through rotating pins, two ends of the second linkage arm (332) are respectively hinged to the second ball hitting arm (342) and the stretching arm (32) through rotating pins, one end of the spring (35) is fixedly mounted on a spring support strip (313), and the other end of the spring (35) is abutted to the rear portions of the first ball hitting arm (341) and the second ball hitting arm (342); a rack (321) is formed at the rear part of the stretching arm (32), and the rack (321) is installed in the sliding way in a sliding way; the ball hitting motor (5) is provided with a bidirectional output shaft, one end of the bidirectional output shaft is fixedly pinned with a ball hitting driving gear (52), the ball hitting driving gear (52) is meshed and connected with the rack (321), and the other end of the bidirectional output shaft is fixedly pinned with a driving disc (51);
a ball clamping plate rotating rod (41) is fixedly installed on one side of the top of the lower hitting rack (21), the middle of the ball clamping plate (42) is hinged to the ball clamping plate rotating rod (41), and the ball clamping plate (42) is embedded into the ball clamping plate embedding groove in a sliding manner; the edge of the ball clamping plate (42) is hinged with an elastic connecting rod (43) through a rotating pin, the other side of the elastic connecting rod (43) is hinged with one end of a pulling rod (44) through a rotating pin, and the other end of the pulling rod (44) is hinged and installed at the side eccentric position of the driving disk (51) through a rotating pin.
2. A tennis continuous launching device as defined in claim 1, wherein: two side rod bodies of the second rotating rod (120) positioned between the second lug plate (212) and the second support frame (12) are respectively provided with a threaded part, and a first nut (121) and a second nut (122) are respectively screwed on the threaded parts at two sides; the first nut (121) is screwed and attached to the side of the second ear plate (212), and the second nut (122) is screwed and attached to the side of the second support frame (12).
3. A tennis continuous launching device as defined in claim 1, wherein: the first support frame comprises a bottom inserting sleeve (111) and a top inserting rod (112), the bottom inserting sleeve (111) is fixedly installed on the rear side of the top of the bottom plate (10), the top inserting rod (112) is inserted into the bottom inserting sleeve (111), and the top of the top inserting rod (112) is hinged to the first lug plate (211) through a first rotating rod.
4. A tennis continuous serving apparatus as set forth in claim 3, wherein: a plug bush fixing hole is formed in the bottom plug bush (111), a plurality of plug rod fixing holes are formed in the top plug rod (112), the limiting rod (113) is sequentially inserted and installed in the plug bush fixing hole and the plug rod fixing hole in a penetrating mode, and the relative positions of the bottom plug bush (111) and the top plug rod (112) are fixed.
5. A tennis continuous launching device as defined in claim 1, wherein: the driving disk (51) is arranged outside the batting barrel body.
6. A tennis continuous launching device as defined in claim 1, wherein: the ball striking drive gear (52) has a partial tooth portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000656.8A CN108905153B (en) | 2018-08-30 | 2018-08-30 | Tennis continuous serving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811000656.8A CN108905153B (en) | 2018-08-30 | 2018-08-30 | Tennis continuous serving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108905153A CN108905153A (en) | 2018-11-30 |
| CN108905153B true CN108905153B (en) | 2020-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811000656.8A Active CN108905153B (en) | 2018-08-30 | 2018-08-30 | Tennis continuous serving device |
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| Country | Link |
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| CN (1) | CN108905153B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008056038A1 (en) * | 2006-11-07 | 2008-05-15 | Benguigui Stephane | Device for launching balls |
| CN204293821U (en) * | 2014-12-25 | 2015-04-29 | 胡显韬 | A kind of tennis serve machine |
| CN206543385U (en) * | 2017-02-23 | 2017-10-10 | 南京工业职业技术学院 | A kind of tennis serve machine of net service |
| CN206613136U (en) * | 2017-04-13 | 2017-11-07 | 沈阳建筑大学 | A kind of tennis service device |
-
2018
- 2018-08-30 CN CN201811000656.8A patent/CN108905153B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008056038A1 (en) * | 2006-11-07 | 2008-05-15 | Benguigui Stephane | Device for launching balls |
| CN204293821U (en) * | 2014-12-25 | 2015-04-29 | 胡显韬 | A kind of tennis serve machine |
| CN206543385U (en) * | 2017-02-23 | 2017-10-10 | 南京工业职业技术学院 | A kind of tennis serve machine of net service |
| CN206613136U (en) * | 2017-04-13 | 2017-11-07 | 沈阳建筑大学 | A kind of tennis service device |
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| Publication number | Publication date |
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| CN108905153A (en) | 2018-11-30 |
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