CN109173220A - A kind of tennis ball serving device - Google Patents
A kind of tennis ball serving device Download PDFInfo
- Publication number
- CN109173220A CN109173220A CN201811135534.XA CN201811135534A CN109173220A CN 109173220 A CN109173220 A CN 109173220A CN 201811135534 A CN201811135534 A CN 201811135534A CN 109173220 A CN109173220 A CN 109173220A
- Authority
- CN
- China
- Prior art keywords
- service
- hole
- screwed
- supporting block
- support column
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- A63B69/407—Stationarily-arranged devices for projecting balls or other bodies with spring-loaded propelling means
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Toys (AREA)
Abstract
The present invention relates to physical education fields, the present invention proposes a kind of tennis ball serving device, it further include two the first support columns being fixed on the right side of the bottom plate upper end, the second support column being fixed on the left of the bottom plate upper end, the serving mechanism for being set to the serving rack of first support column and the second upper end of support column and being slideably positioned at the serving rack including bottom plate.The present apparatus largely uses screw thread to be screwed on, the form of bolt fastening and welding largely ensure that stability, prolongs its service life;By serving a ball manually, reduces production cost and improve service enjoyment simultaneously;Service is driven by compressed spring deformation, very efficiently, and student can operate service handle according to actual needs, can control service dynamics.
Description
Technical field
The present invention relates to physical education field more particularly to a kind of tennis ball serving devices.
Background technique
With the continuous improvement of people's living standard, people increasingly focus on body-building and movement, keep good movement
The physical fitness and the state of mind of people can be improved in habit, to reach the development in an all-round way of moral, intellectual, physical, aesthetics and labour education;And vast universities and colleges
Be in response to this call, from the past only only have running, football, basketball, tennis, shuttlecock, the vollyball of table tennis till now,
The hobby of broad development student.
At present in the physical education of school, tennis is increasingly liked by students, it is known that tennis is to need
There is service, but mostly use greatly manually serve a ball at present, sometimes dynamics and height can not be controlled;It also deposits on the market
In the automatic service robot in part, but its is with high costs, and school can not also configure for each student.
It would therefore be desirable to propose a kind of adjustable-angle, dynamics can be controlled and tennis ball serving device that cost is more cheap,
Students are better blended into this movement of tennis.
Summary of the invention
The object of the present invention is to provide a kind of tennis ball serving devices to mention for adjusting the angle of ball when tennis service
Height can control dynamics, save production cost.
The present invention is that technical solution used by solving its technical problem is:
A kind of tennis ball serving device, including bottom plate, further include be fixed on two the first support columns on the right side of the bottom plate upper end,
The second support column for being fixed on the left of the bottom plate upper end, the service for being set to first support column and the second upper end of support column
Frame and the serving mechanism being slideably positioned at the serving rack;
The serving rack includes service substrate, the first supporting block being welded on the right side of the service substrate lower end, is welded in
It is described service substrate lower end on the left of the second supporting block and by connecting plate be fixed on it is described service substrate upper end protective cover, institute
The top side for stating protective cover also has goal mouth;
The serving mechanism includes being set to service pedestal at the service substrate, being welded in service pedestal left side
The gear plate of end, be welded in it is described service two sides of base service handle and be set to the gear plate and service pedestal it
Between spring.
Further, the bottom plate is square platy structure, if being equipped at two angles on the right side of the bottom plate upper end
Dry first is screwed on hole, and the described first inner wall for being screwed on hole is thread-like structure, first support column be it is cylindric, described first
The bottom of support column is welded with the first connection sheet, and first connection sheet is cross-shaped structure, wears at first connection sheet
There are several first circular through holes, described first is screwed on, and hole is adaptable with first circular through hole, and first connection sheet passes through
First bolt fastening is in the upper end of the bottom plate.
Further, intermediate position is equipped with several second and is screwed on hole on the left of the bottom plate upper end, and described second is screwed on hole
Inner wall be thread-like structure, several second are screwed on the rounded structure setting in hole, second support column be it is cylindric, described the
The lower part of two support columns is also welded with the second connection sheet, and second connection sheet is ring structure, wears at second connection sheet
Equipped with several second circular through holes, several rounded structure settings of second circular through hole, described second is screwed on hole and described second
Circular through hole is adapted, and second connection sheet is by the second bolt fastening in the upper end of the bottom plate.
Further, first supporting block is rectangular block structure, and the lower part of first supporting block has one to run through
Third be screwed on hole, the be screwed on inner wall in hole of the third is thread-like structure, and the top of first support column is also equipped with the
Four are screwed on hole, and the described 4th inner wall for being screwed on hole is thread-like structure, and the third hole that is screwed on is screwed on Kong Xiangshi with the described 4th
It answers, first supporting block is screwed on two the first support columns by screw flight, and first supporting block is located at two first
Between support column, the outside of the screw rod also passes through screw thread and is screwed with fastening nut, the fastening nut and first support
Block is in close contact.
Further, second supporting block is that " recessed " shape structure, the top center position of second supporting block have
There is a perforative third circular through hole, the side of second supporting block opens up that there are two the first pin shaft hole, two the first pin shafts
Hole is symmetrical set;
The top center position of second support column is recessed with the first round dimple, the inner wall of the described first round dimple
For thread-like structure, the upper end of second support column is screwed with adjustable column by screw thread, the adjustable column be it is cylindric, it is described
The diameter of adjustable column is less than the diameter of second support column, and the lower part outer wall of the adjustable column is thread-like structure, the tune
Segmented column is rotatably connected in the described first round dimple by screw thread, and several first perforation, institute have also been axially penetrated through at the adjustable column
The aperture for stating the first perforation is identical as the aperture of first pin shaft hole, and the adjustable column and second supporting block pass through pin shaft
Connection, the adjustable column are also adapted with the third circular through hole.
Further, the service substrate includes base main body, vertical welding in the gear of the base main body front and rear sides
The level board of plate and vertical welding on the outside of the baffle, the base main body is set in parallel with the level board, described
Base main body is square platy structure, and the intermediate position of the base main body has the second perforation, and second perforation is rectangular
Shape structure;The protective cover is arc-shaped tubular structure, and the connecting plate is to include connecting plate main body and be welded in described tight
Gu the fastening plates of piece main body two sides, the connecting plate main body is arc-shaped structure, the connecting plate main body and the protective cover phase
Fitting, the fastening plates are fastened by bolts in the upper end of the level board.;
The lower part of the protective cover is in contact with the level board, and the lower middle portion of the protective cover also has on the other hand
Handle notch.
Further, the service pedestal includes service Base body, vertical welding in the service Base body upper end
The support plate in left side and the limit plate for being welded in the service Base body front and rear sides, the service Base body is cuboid
Structure, the service Base body are moved in second perforation, and the support plate is in the service Base body
L shape structure setting, the top of the support plate are adapted in arc-shaped and with the inner wall of the protective cover, the limit plate with
The base main body is in contact, and the left side of the support plate is also welded with two service handles, and the service handle is in the hand
It is moved in handle notch, is welded with spring between the support plate and the gear plate.
For the prior art, the present invention has the advantages that
The present apparatus largely uses screw thread to be screwed on, the form of bolt fastening and welding largely ensure that stabilization
Property, it prolongs its service life;By serving a ball manually, reduces production cost and improve service enjoyment simultaneously;By compressing bullet
Spring deformation is served a ball to drive, and very efficiently, and student can operate service handle according to actual needs, can control service power
Degree;Between second supporting block and adjustable column by pin shaft connect, when need convert service height when can by the way that pin shaft is removed,
Serving rack is tilted into certain angle, then makes adjustable column and the second supporting block connect to control service height by pin shaft,
It is very convenient;Handle notch is provided at protective cover, whether handle notch there can be ball at service pedestal in order to observe, work as spring
Compressing force is too big when being served a ball, it is also ensured that service handle is not fallen out.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of tennis ball serving device proposed by the present invention.
Fig. 2 is the top view of serving mechanism.
Number and corresponding component title represented by letter in figure:
Wherein: 1- bottom plate;The first support column of 2-;The second support column of 3-;4- serving rack;5- serving mechanism;The connection of 6- first
Piece;The second connection sheet of 7-;41- service substrate;The first supporting block of 42-;The second supporting block of 43-;44- connecting plate;45- protective cover;
46- screw rod;47- fastening nut;48- adjustable column;51- service pedestal;52- gear plate;53- service handle;54- spring.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Diagram and specific embodiment are closed, the present invention is further explained.
As depicted in figs. 1 and 2, a kind of tennis ball serving device proposed by the present invention, including bottom plate 1, further include be fixed on it is described
Two the first support columns 2 on the right side of 1 upper end of bottom plate, are set to institute at the second support column 3 being fixed on the left of 1 upper end of bottom plate
State the serving rack 4 of 3 upper end of the first support column 2 and the second support column and the serving mechanism 5 being slideably positioned at the serving rack 4;
The serving rack 4 include service substrate 41, be welded in it is described service 41 lower end of substrate on the right side of the first supporting block 42,
Be welded in it is described service 41 lower end of substrate on the left of the second supporting block 43 and the service substrate 41 is fixed on by connecting plate 44
The top side of the protective cover 45 of upper end, the protective cover 45 also has goal mouth;
The serving mechanism 5 include be set to it is described service substrate 41 at service pedestal 51, be welded in the service base
Seat 51 left distal ends gear plate 52, be welded in it is described service 51 two sides of pedestal service handle 53 and be set to the gear
Spring 54 between plate 52 and service pedestal 51.
Further, the bottom plate 1 is square platy structure, is equipped at two angles on the right side of 1 upper end of bottom plate
Several first are screwed on hole, and the described first inner wall for being screwed on hole is thread-like structure, first support column 2 be it is cylindric, it is described
The bottom of first support column 2 is welded with the first connection sheet 6, and first connection sheet 6 is cross-shaped structure, first connection sheet
Several first circular through holes are equipped at 6, described first is screwed on, and hole is adaptable with first circular through hole, and described first connects
Piece 6 is by the first bolt fastening in the upper end of the bottom plate 1.
Further, intermediate position is equipped with several second and is screwed on hole on the left of 1 upper end of bottom plate, and described second is screwed on hole
Inner wall be thread-like structure, several second are screwed on the rounded structure setting in hole, second support column 3 be it is cylindric, it is described
The lower part of second support column 3 is also welded with the second connection sheet 7, and second connection sheet 7 is ring structure, second connection sheet
Be equipped with several second circular through holes at 7, several rounded structure settings of second circular through hole, described second be screwed on hole with it is described
Second circular through hole is adapted, and second connection sheet 7 is by the second bolt fastening in the upper end of the bottom plate 1.
Further, first supporting block 42 is rectangular block structure, and the lower part of first supporting block 42 has one
Perforative third is screwed on hole, and the be screwed on inner wall in hole of the third is thread-like structure, and the top of first support column 2 is also worn
There is the 4th to be screwed on hole, the described 4th inner wall for being screwed on hole is thread-like structure, and the third hole that is screwed on is screwed on hole with the described 4th
It is adapted, first supporting block 42 is screwed on two the first support columns 2 by 46 screw thread of screw rod, first supporting block 42
Between two the first support columns 2, the outside of the screw rod 46 also passes through screw thread and is screwed with fastening nut 47, the fastening nut
47 are in close contact with first supporting block 42.
Further, second supporting block 43 is " recessed " shape structure, the top center portion of second supporting block 43
Position has a perforative third circular through hole, and the side of second supporting block 43 is opened up there are two the first pin shaft hole, and two the
One pin shaft hole is symmetrical set;
The top center position of second support column 3 is recessed with the first round dimple, the described first round dimple it is interior
Wall is thread-like structure, and the upper end of second support column 3 is screwed with adjustable column 48 by screw thread, and the adjustable column 48 is cylinder
Shape, the diameter of the adjustable column 48 are less than the diameter of second support column 3, and the lower part outer wall of the adjustable column 48 is shape of threads
Structure, the adjustable column 48 are rotatably connected in the described first round dimple by screw thread, have also been axially penetrated through at the adjustable column 48
It is several first perforation, it is described first perforation aperture it is identical as the aperture of first pin shaft hole, the adjustable column 48 with it is described
Second supporting block 43 is connected by pin shaft, and the adjustable column 48 is also adapted with the third circular through hole.
Further, the service substrate 41 includes base main body, vertical welding in the base main body front and rear sides
The level board of baffle and vertical welding on the outside of the baffle, the base main body are set in parallel with the level board, institute
Stating base main body is square platy structure, and the intermediate position of the base main body has the second perforation, and second perforation is length
Square structure;The protective cover 45 is arc-shaped tubular structure, and the connecting plate 44 is to include connecting plate main body and be welded in
The fastening plates of connecting plate main body two sides, the connecting plate main body are arc-shaped structure, the connecting plate main body and the guarantor
Shield 45 fits, and the fastening plates are fastened by bolts in the upper end of the level board.;
The lower part of the protective cover 45 is in contact with the level board, and the lower middle portion of the protective cover 45 also has
One handle notch.
Further, the service pedestal 51 includes service Base body, vertical welding in the service Base body
The limit plate held the support plate in left side and be welded in the service Base body front and rear sides, the service Base body are rectangular
Body structure, the service Base body are moved in second perforation, the support plate and the service Base body
L-shaped structure setting, the top of the support plate are adapted in arc-shaped and with the inner wall of the protective cover 45, the limit
Plate is in contact with the base main body, and the left side of the support plate is also welded with two service handles 53, the service handle 53
It is moved in the handle notch, is welded with spring 54 between the support plate and the gear plate 52.
The right end front and rear sides of protective cover are respectively and fixedly provided with limited block, and limited block is used to limit service handle
Position prevents service handle from falling.
Working principle of the present invention: the present invention, so that tennis is located at service pedestal, is sent out at this time by the way that tennis is put goal mouth
The support plate of ball pedestal is just used to limit tennis, next will pass through manually will service handle side of turning left it is mobile, at this time
Spring-compressed, player's handle pending just loose one's grip to serve a ball after moving to the appropriate position.
It is screwed between the first support column and the first supporting block of the invention by screw thread, is also screwed on outside screw rod and fastens spiral shell
Female and fastening nut and the first supporting block are in close contact the stability that may insure service robot;Adjustable column and the second supporting block are logical
Pin shaft connection is crossed, when needing to adjust ball launch angle, it is only necessary to remove pin shaft, serving rack be tilted to certain angle, then lead to
Crossing pin shaft makes adjustable column and the second supporting block connect to control height.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (7)
1. a kind of tennis ball serving device, including bottom plate (1), it is characterised in that: further include being fixed on the right side of the bottom plate (1) upper end
Two the first support columns (2), the second support column (3) being fixed on the left of the bottom plate (1) upper end are set to first support
The serving rack (4) of column (2) and the second support column (3) upper end and the serving mechanism (5) being slideably positioned at the serving rack (4);
The serving rack (4) includes the first supporting block served a ball substrate (41), be welded on the right side of described service substrate (41) lower end
(42), it the second supporting block (43) for being welded on the left of described service substrate (41) lower end and is fixed on by connecting plate (44) described
The protective cover (45) of service substrate (41) upper end, the top side of the protective cover (45) also have goal mouth;
The serving mechanism (5) include be set to it is described service substrate (41) at service pedestal (51), be welded in the service
The gear plate (52) of pedestal (51) left distal end, the service handle (53) for being welded in described service pedestal (51) two sides and setting
Spring (54) between the gear plate (52) and service pedestal (51).
2. a kind of tennis ball serving device according to claim 1, it is characterised in that: the bottom plate (1) is square platy structure,
It is equipped with several first at two angles on the right side of bottom plate (1) upper end to be screwed on hole, the described first inner wall for being screwed on hole is spiral shell
Striated structure, first support column (2) be it is cylindric, the bottom of first support column (2) is welded with the first connection sheet
(6), first connection sheet (6) is cross-shaped structure, is equipped with several first circular through holes at first connection sheet (6),
Described first is screwed on, and hole is adaptable with first circular through hole, and first connection sheet (6) is by the first bolt fastening in institute
State the upper end of bottom plate (1).
3. a kind of tennis ball serving device according to claim 1, it is characterised in that: middle part on the left of bottom plate (1) upper end
Position is equipped with several second and is screwed on hole, and the described second inner wall for being screwed on hole is thread-like structure, and several second holes that are screwed on are rounded
Structure setting, second support column (3) be it is cylindric, the lower part of second support column (3) is also welded with the second connection sheet
(7), second connection sheet (7) is ring structure, is equipped with several second circular through holes at second connection sheet (7), if
The dry rounded structure setting of second circular through hole, described second is screwed on hole and second circular through hole is adapted, and described second
Connection sheet (7) is by the second bolt fastening in the upper end of the bottom plate (1).
4. a kind of tennis ball serving device according to claim 1, it is characterised in that: first supporting block (42) is square block
There is a perforative third to be screwed on hole for shape structure, the lower part of first supporting block (42), and the be screwed on inner wall in hole of the third is
Thread-like structure, the top of first support column (2) are also equipped with the 4th and are screwed on hole, and the described 4th inner wall for being screwed on hole is spiral shell
Striated structure, the third be screwed on hole with the described 4th be screwed on hole be adapted, first supporting block (42) with two first
Dagger (2) is screwed on by screw rod (46) screw thread, and first supporting block (42) is located between two the first support columns (2), described
The outside of screw rod (46) also passes through screw thread and is screwed with fastening nut (47), the fastening nut (47) and first supporting block
(42) it is in close contact.
5. a kind of tennis ball serving device according to claim 1, it is characterised in that: second supporting block (43) is " recessed "
Shape structure, the top center position of second supporting block (43) have a perforative third circular through hole, second support
The side of block (43) is opened up there are two the first pin shaft hole, and two the first pin shaft holes are symmetrical set;
The top center position of second support column (3) is recessed with the first round dimple, the inner wall of the described first round dimple
Upper end for thread-like structure, second support column (3) is screwed with adjustable column (48) by screw thread, and the adjustable column (48) is
Cylindric, the diameter of the adjustable column (48) is less than the diameter of second support column (3), outside the lower part of the adjustable column (48)
Wall is thread-like structure, and the adjustable column (48) is rotatably connected in the described first round dimple by screw thread, the adjustable column (48)
Place has also axially penetrated through several first perforation, and the aperture of first perforation is identical as the aperture of first pin shaft hole, described
Adjustable column (48) is connect with second supporting block (43) by pin shaft, the adjustable column (48) also with the third circular through hole
It is adapted.
6. a kind of tennis ball serving device according to claim 1, it is characterised in that: the service substrate (41) includes substrate master
Body, vertical welding are in the level board on the outside of the baffle of baffle and vertical welding of the base main body front and rear sides, institute
It states base main body to be set in parallel with the level board, the base main body is square platy structure, in the base main body
Between position have second perforation, it is described second perforation be rectangle structure;The protective cover (45) is arc-shaped tubular structure, institute
Stating connecting plate (44) to be includes connecting plate main body and the fastening plates for being welded in connecting plate main body two sides, the connecting plate master
Body is arc-shaped structure, and the connecting plate main body fits with the protective cover (45), the fastening plates be fastened by bolts in
The upper end of the level board.;
The lower part of the protective cover (45) is in contact with the level board, and the lower middle portion of the protective cover (45) also has
One handle notch.
7. a kind of tennis ball serving device according to claim 1 or 6, it is characterised in that: the service pedestal (51) includes hair
Ball Base body, vertical welding in it is described service Base body upper end on the left of support plate and be welded in the service Base body
The limit plate of front and rear sides, the service Base body are rectangular parallelepiped structure, and the service Base body is in second perforation
It is inside moved, the support plate and the L-shaped structure setting of the service Base body, the top of the support plate is in circular arc
Shape and with the inner wall of the protective cover (45) be adapted, the limit plate is in contact with the base main body, the support plate
Left side is also welded with two service handles (53), and the service handle (53) is moved in the handle notch, the branch
Spring (54) are welded between fagging and the gear plate (52).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811135534.XA CN109173220A (en) | 2018-09-27 | 2018-09-27 | A kind of tennis ball serving device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811135534.XA CN109173220A (en) | 2018-09-27 | 2018-09-27 | A kind of tennis ball serving device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109173220A true CN109173220A (en) | 2019-01-11 |
Family
ID=64906671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811135534.XA Pending CN109173220A (en) | 2018-09-27 | 2018-09-27 | A kind of tennis ball serving device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109173220A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111530053A (en) * | 2020-04-08 | 2020-08-14 | 汪宗顶 | Seaside is baseball transmitter for sandy beach |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070072704A1 (en) * | 2005-09-26 | 2007-03-29 | Wey Albert C | Batting trainer for inexperienced players |
KR20150003648U (en) * | 2014-03-28 | 2015-10-07 | 김지현 | Jog-gu's spiker for setter machine |
CN107261461A (en) * | 2017-06-22 | 2017-10-20 | 济南富安机械设计有限公司 | Manual table tennis ball launching device |
CN206597286U (en) * | 2016-12-23 | 2017-10-31 | 陕西师范大学 | A kind of basketball training is with multi-faceted manual service robot |
CN108355339A (en) * | 2018-04-28 | 2018-08-03 | 佛山市金蓝领教育科技有限公司 | A kind of service robot for physical education training |
-
2018
- 2018-09-27 CN CN201811135534.XA patent/CN109173220A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070072704A1 (en) * | 2005-09-26 | 2007-03-29 | Wey Albert C | Batting trainer for inexperienced players |
KR20150003648U (en) * | 2014-03-28 | 2015-10-07 | 김지현 | Jog-gu's spiker for setter machine |
CN206597286U (en) * | 2016-12-23 | 2017-10-31 | 陕西师范大学 | A kind of basketball training is with multi-faceted manual service robot |
CN107261461A (en) * | 2017-06-22 | 2017-10-20 | 济南富安机械设计有限公司 | Manual table tennis ball launching device |
CN108355339A (en) * | 2018-04-28 | 2018-08-03 | 佛山市金蓝领教育科技有限公司 | A kind of service robot for physical education training |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111530053A (en) * | 2020-04-08 | 2020-08-14 | 汪宗顶 | Seaside is baseball transmitter for sandy beach |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208319921U (en) | A kind of football server | |
CN108404391A (en) | A kind of athletic training vollyball catapult-launching gear | |
CN210057255U (en) | Multi-functional basketball sportsman physical function trainer | |
CN109173220A (en) | A kind of tennis ball serving device | |
CN211885282U (en) | Basketball shooting training device | |
CN109692461B (en) | Physical education teaching equipment | |
CN207980367U (en) | A kind of physical education training ball serving device | |
CN209679440U (en) | One kind being used for basketball shooting training basketball stands | |
CN207055864U (en) | A kind of athletic training portable type basketball stands | |
CN208863726U (en) | A kind of sports equipment ping-pong table | |
CN208582941U (en) | A kind of convenient basket shooting equipment of physical education adjustable height | |
CN209422901U (en) | A kind of dynamic football shooting training device | |
CN203710662U (en) | Billiard table framework | |
CN207101771U (en) | Arm muscles exercising apparatus | |
CN210170803U (en) | Height-adjustable boxing training device | |
CN210278169U (en) | Indoor body educates teaching basketball stands | |
CN109350976A (en) | A kind of sport is hurdled with folding | |
CN209575710U (en) | A kind of tennis ball hitting auxiliary device | |
CN211885300U (en) | Automatic ball dispenser | |
CN205649811U (en) | Basketball stands of convenient lift | |
CN206995759U (en) | A kind of comprehensive sports teaching exercise device | |
CN203540012U (en) | Automatic table tennis ball serving machine | |
CN218553051U (en) | Basketball pass trainer | |
CN202410058U (en) | Basketball stand | |
CN203075598U (en) | Javelin release control and special strength trainer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
|
RJ01 | Rejection of invention patent application after publication |