CN106139538A - A kind of physical culture vollyball quick air-inflating apparatus - Google Patents

A kind of physical culture vollyball quick air-inflating apparatus Download PDF

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Publication number
CN106139538A
CN106139538A CN201610625237.8A CN201610625237A CN106139538A CN 106139538 A CN106139538 A CN 106139538A CN 201610625237 A CN201610625237 A CN 201610625237A CN 106139538 A CN106139538 A CN 106139538A
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China
Prior art keywords
vollyball
belt pulley
pole
motor
spring
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CN201610625237.8A
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Chinese (zh)
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CN106139538B (en
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刘德平
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Qingdao Agricultural University
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刘德平
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Priority to CN201610625237.8A priority Critical patent/CN106139538B/en
Priority to CN201810468819.9A priority patent/CN108607206B/en
Publication of CN106139538A publication Critical patent/CN106139538A/en
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Publication of CN106139538B publication Critical patent/CN106139538B/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B41/00Hollow inflatable balls
    • A63B41/12Tools or devices for blowing up or closing balls

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Drying Of Solid Materials (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Air Bags (AREA)

Abstract

The present invention relates to a kind of aerating device, particularly relate to a kind of physical culture vollyball quick air-inflating apparatus.The technical problem to be solved in the present invention is to provide the physical culture vollyball quick air-inflating apparatus that a kind of amount of labour is little, inflation is simple, charging efficiency is high.In order to solve above-mentioned technical problem, the invention provides such a physical culture vollyball quick air-inflating apparatus, include left socle, the second directive wheel, base, slide rail, slide block, placing frame, the 3rd spring, intermittent rotary device, right support, the first flexible pipe, air pump, hemispherical holding tray, inflator, the first pole, the second spring, the second flexible pipe, elevating lever, the second pole, the first motor, small belt pulley, cam, flat belt, reel, big belt pulley, stay cord and the first directive wheel.Invention achieves the effect that the amount of labour is little, inflation is simple, charging efficiency is high, can continuously vollyball be inflated, completely charged vollyball can be transported while inflation, shorten the operating time.

Description

A kind of physical culture vollyball quick air-inflating apparatus
Technical field
The present invention relates to a kind of aerating device, particularly relate to a kind of physical culture vollyball quick air-inflating apparatus.
Background technology
Physical culture is the Social Culture phenomenon of a kind of complexity, and it is raw according to human body with health and intellectual activity as basic means Long grow, technical ability is formed and the rule such as function raising, reach to promote full development, improve body constitution and overall education level, Health invigorating with improve motor capacity, mode of making the life better and the one improved the quality of living consciously, have purpose, organized Social activity.Along with the expansion of international association, the scale of sports business development and level have been to weigh country, a social development A progressive important symbol, also becomes diplomacy and the important means of cultural exchanges between country.Physical culture can be divided into sport for all, specially The kinds such as industry physical culture, school physical education.Including sports culture, physical education, sports, athletic competition, sports equipment, sports group Knit, the lot of essential factors such as sports science technology.
Vollyball is one of ball game project, court rectangle, and centre is separated with high net, and opposing teams respectively account for the one of court Side, sportsman plays many times ball sky from network with hands.The ball that volleyball movement uses, does shell with Corii Caprae seu Ovis or artificial leather, and rubber does gallbladder, Size is similar with football.
Inflation is through pressurization, makes gas enter in object.
Physical education carries out fast aeration to vollyball, teaching efficiency can be improved.
There is the shortcoming that the amount of labour is big, inflation bothers, charging efficiency is low in the inflation of existing vollyball, therefore needs a kind of labor of research and development badly The physical culture vollyball quick air-inflating apparatus that momentum is little, inflation is simple, charging efficiency is high.
Summary of the invention
(1) to solve the technical problem that
The present invention, in order to overcome the shortcoming that the existing vollyball inflation amount of labour is big, inflation bothers, charging efficiency is low, the invention solves the problems that Technical problem be to provide the physical culture vollyball quick air-inflating apparatus that a kind of amount of labour is little, inflation is simple, charging efficiency is high.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides such a physical culture vollyball quick air-inflating apparatus, include a left side Support, the second directive wheel, base, slide rail, slide block, placing frame, the 3rd spring, intermittent rotary device, right support, the first flexible pipe, Air pump, hemispherical holding tray, inflator, the first pole, the second spring, the second flexible pipe, elevating lever, the second pole, the first motor, Small belt pulley, cam, flat belt, reel, big belt pulley, stay cord and the first directive wheel, base top sets the most successively There are left socle, slide rail, intermittent rotary device and right support, on the right side of left socle, are provided with the second directive wheel and the first directive wheel, second Directive wheel is positioned at below the first directive wheel, and slide rail is provided with slide block, and slider top is provided with placing frame, revolves with interval on the right side of placing frame Connecting between on the left of rotary device has the 3rd spring, intermittent rotary device to include slide-bar, the second motor, the first rotating disk, semilune Guide block, the second rotating disk and support seat, the second rotating disk has a word hole, and the second rotating disk top is provided with support seat, supports seat top Being provided with hemispherical holding tray, the second motor top connects has the first rotating disk, the first rotating disk top to be provided with semilune guide block and slide-bar, Semilune guide block is positioned at slide-bar front, is provided with air pump on the right side of right support, and air pump connects the second flexible pipe and the first flexible pipe, right Being provided with the first pole and the second pole on the left of frame, the first pole is positioned at below the second pole, and the first pole top left is provided with Two springs, the second spring top connects elevating lever, is provided with inflator on front side of elevating lever, and inflator is just being positioned at hemispherical holding tray Top, inflator top is hose connection with second, is provided with big belt pulley and the first motor on front side of the second pole, and big belt pulley is positioned at First motor left, is provided with reel on front side of big belt pulley, reel is wound with stay cord, and the first directive wheel walked around by stay cord, walks around Second directive wheel, left side outer with placing frame is connected, and connecting on front side of the first motor has small belt pulley and cam, and small belt pulley is positioned at convex On rear side of wheel, between small belt pulley and big belt pulley, it is wound with flat belt, cam and elevating lever top contact.
Preferably, also including block rubber, the hemispherical holding tray inwall left and right sides is provided with block rubber.
Preferably, also including the first spring, connecting between block rubber and hemispherical holding tray has the first spring.
Preferably, also include air drying agent layer, in the first flexible pipe, be provided with air drying agent layer.
Preferably, the first motor and the second motor are servomotor.
Preferably, the material of elevating lever is Q235 steel.
Preferably, the top view of base is square.
Operation principle: when vollyball is carried out fast aeration, is placed on vollyball in hemispherical holding tray, and vollyball is solid Fixed live, vollyball inflate hole just to inflator, start the first motor clockwise, drive small belt pulley clockwise, band moving cam is clockwise, makes Elevating lever moves down, drive inflator move down, simultaneously small belt pulley by flat belt drive big belt pulley clockwise, make around Line wheel is clockwise, and stay cord is regained by reel, makes placing frame be moved to the left by stay cord, and the 3rd spring is stretched, when cam is clockwise To time soon close to distalmost end, inflator moves to bottom, and inflator penetrates the hole of inflating of vollyball, booster air pump air-breathing, air Entering the first flexible pipe, entered in inflator by the second flexible pipe, inflator starts to be inflated vollyball, when cam is clockwise to soon During away from distalmost end, inflating complete, air pump stops suction, when clockwise to cam most proximal end time, inflator reset, close first electricity Machine, is stoppered the air plug playing aerobic vollyball, and vollyball is taken off from hemispherical holding tray, puts into placing frame, and will row Ball is transported to suitable position.Start the second motor to rotate a circle, drive the first turntable rotation one week, drive semilune guide block to rotate One week, make slide-bar slip in a word hole of the second rotating disk, make the second turntable rotation 90 °, drive the next hemisphere supported on seat Shape holding tray moves to inflator, when next hemispherical holding tray moves to inflator, closes second Motor, starts the first motor and reverses, and drives small belt pulley to reverse, and band moving cam reverses, and makes elevating lever move down, and drive is inflated Cylinder moves down, and small belt pulley drives big belt pulley to reverse by flat belt simultaneously, makes reel reverse, and reel is released and drawn Rope, makes placing frame move right by the 3rd spring, when cam reverse to fast close to distalmost end time, inflator moves under Side, inflator penetrates the hole of inflating of vollyball, booster air pump air-breathing, and air enters the first flexible pipe, is entered by the second flexible pipe and inflates In cylinder, inflator starts to be inflated vollyball, when cam reverses to time soon away from distalmost end, inflates complete, stops air pump and inhales Gas, when reversing to cam most proximal end, inflator resets, and closes the first motor, is stoppered by the air plug playing aerobic vollyball, Vollyball takes off from hemispherical holding tray, puts into placing frame, repeats above step, constantly can be inflated vollyball.
Because also including block rubber, the hemispherical holding tray inwall left and right sides is provided with block rubber, and vollyball is placed on half During spherical holding tray, block rubber quality is soft, can protect vollyball, and make vollyball can be stably fixed to hemispherical holding tray In.
Because also including the first spring, connecting between block rubber and hemispherical holding tray and having the first spring, vollyball is put Put when hemispherical holding tray, vollyball can be fixed tightly by the elastic force effect of the first spring, beneficially vollyball Inflation.
Because also including air drying agent layer, in the first flexible pipe, it is provided with air drying agent layer, when vollyball is inflated Time, air enters the first flexible pipe, and air can be dried by air drying agent layer, beneficially the inflation of vollyball.
Because the first motor and the second motor are servomotor, servomotor can accurately regulate rotating speed, is allowed to run More steady.
Because the material of elevating lever is Q235 steel, Q235 steel is wear-resistant, hardness is high, break-resistance, service life are long.
Because the top view of base is square, make device more stable.
(3) beneficial effect
Invention achieves the effect that the amount of labour is little, inflation is simple, charging efficiency is high, can continuously vollyball be inflated, Completely charged vollyball can be transported while inflation, shorten the operating time, increase instructional blocks of time, teaching efficiency can be improved.
Accompanying drawing explanation
Fig. 1 is the first main TV structure schematic diagram of the present invention.
Fig. 2 is the plan structure schematic diagram of intermittent rotary device of the present invention.
Fig. 3 is the second main TV structure schematic diagram of the present invention.
Fig. 4 is the third main TV structure schematic diagram of the present invention.
Fig. 5 is the 4th kind of main TV structure schematic diagram of the present invention.
Being labeled as in accompanying drawing: 1-left socle, 2-the second directive wheel, 3-base, 4-slide rail, 5-slide block, 6-placing frame, 7- 3rd spring, 8-intermittent rotary device, 9-right support, 10-the first flexible pipe, 11-air pump, 12-hemispherical holding tray, 13-inflates Cylinder, 14-the first pole, 15-the second spring, 16-the second flexible pipe, 17-elevating lever, 18-the second pole, 19-the first motor, 20- Small belt pulley, 21-cam, 22-flat belt, 23-reel, 24-big belt pulley, 25-stay cord, 26-the first directive wheel, 701-is sliding Axle, 702-the second motor, 703-the first rotating disk, 704-semilune guide block, 705-mono-word hole, 706-the second rotating disk, 707-supports Seat, 27-block rubber, 28-the first spring, 29-air drying agent layer.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment 1
A kind of physical culture vollyball quick air-inflating apparatus, as Figure 1-5, includes left socle the 1, second directive wheel 2, base 3, slides Rail 4, slide block 5, placing frame the 6, the 3rd spring 7, intermittent rotary device 8, right support the 9, first flexible pipe 10, air pump 11, hemispherical are put Put dish 12, inflator the 13, first pole the 14, second spring the 15, second flexible pipe 16, elevating lever the 17, second pole the 18, first motor 19, small belt pulley 20, cam 21, flat belt 22, reel 23, big belt pulley 24, stay cord 25 and the first directive wheel 26, base 3 Top is sequentially provided with left socle 1, slide rail 4, intermittent rotary device 8 and right support 9 from left to right, is provided with second on the right side of left socle 1 Directive wheel 2 and the first directive wheel 26, the second directive wheel 2 is positioned at below the first directive wheel 26, and slide rail 4 is provided with slide block 5, slide block 5 Top is provided with placing frame 6, on the right side of placing frame 6 and on the left of intermittent rotary device 8 between connect and have the 3rd spring 7, intermittent rotary fills Put 8 include slide-bar the 701, second motor the 702, first rotating disk 703, semilune guide block the 704, second rotating disk 706 and support seat 707, the second rotating disk 706 has a word hole 705, the second rotating disk 706 top is provided with support seat 707, supports seat 707 top and is provided with Hemispherical holding tray 12, the second motor 702 top connects has the first rotating disk 703, the first rotating disk 703 top to be provided with semilune guide block 704 and slide-bar 701, semilune guide block 704 is positioned at slide-bar 701 front, is provided with air pump 11 on the right side of right support 9, and air pump 11 connects Having the second flexible pipe 16 and the first flexible pipe 10, be provided with the first pole 14 and the second pole 18 on the left of right support 9, the first pole 14 is positioned at Below second pole 18, the first pole 14 top left is provided with the second spring 15, and the second spring 15 top connects elevating lever 17, Being provided with inflator 13 on front side of elevating lever 17, inflator 13 is positioned at directly over hemispherical holding tray 12, inflator 13 top and second Flexible pipe 16 connects, and is provided with big belt pulley 24 and the first motor 19 on front side of the second pole 18, and big belt pulley 24 is positioned at the first motor 19 Left, is provided with reel 23 on front side of big belt pulley 24, reel 23 is wound with stay cord 25, and the first directive wheel 26 walked around by stay cord 25, Walking around the second directive wheel 2, left side outer with placing frame 6 is connected, and connecting on front side of the first motor 19 has small belt pulley 20 and cam 21, little Belt pulley 20 is positioned on rear side of cam 21, is wound with flat belt 22, cam 21 and elevating lever between small belt pulley 20 and big belt pulley 24 17 top contact.
Also including block rubber 27, the hemispherical holding tray 12 inwall left and right sides is provided with block rubber 27.
Also including the first spring 28, connecting between block rubber 27 and hemispherical holding tray 12 has the first spring 28.
Also include air drying agent layer 29, in the first flexible pipe 10, be provided with air drying agent layer 29.
First motor 19 and the second motor 702 are servomotor.
The material of elevating lever 17 is Q235 steel.
The top view of base 3 is square.
Operation principle: when vollyball is carried out fast aeration, is placed on vollyball in hemispherical holding tray 12, by vollyball Fix, vollyball inflate hole just to inflator 13, start the first motor 19 clockwise, drive small belt pulley 20 clockwise, drive convex Taking turns 21 clockwise, make elevating lever 17 move down, drive inflator 13 to move down, small belt pulley 20 is carried by flat belt 22 simultaneously Dynamic big belt pulley 24 is clockwise, makes reel 23 clockwise, and stay cord 25 is regained by reel 23, makes placing frame 6 to the left by stay cord 25 Mobile, the 3rd spring 7 is stretched, when cam 21 clockwise to fast close to distalmost end time, inflator 13 moves to bottom, inflator 13 holes of inflating penetrating vollyball, booster air pump 11 air-breathing, air enters the first flexible pipe 10, enters inflator by the second flexible pipe 16 In 13, inflator 13 starts to be inflated vollyball, when cam 21 clockwise to fast away from distalmost end time, inflate complete, air pump 11 Stop suction, when clockwise to cam 21 most proximal end time, inflator 13 resets, and closes the first motor 19, will play aerobic vollyball Air plug is stoppered, and vollyball is taken off from hemispherical holding tray 12, puts into placing frame 6, and vollyball is transported to suitable position. Start the second motor 702 to rotate a circle, drive the first rotating disk 703 to rotate a circle, drive semilune guide block 704 to rotate a circle, make Slide-bar 701 slips in a word hole 705 of the second rotating disk 706, makes the second rotating disk 706 half-twist, drives under supporting on seat 707 One hemispherical holding tray 12 moves to inflator 13, when next hemispherical holding tray 12 to inflator 13 just moves During lower section, closing the second motor 702, start the first motor 19 and reverse, drive small belt pulley 20 to reverse, band moving cam 21 reverses, Making elevating lever 17 move down, drive inflator 13 to move down, small belt pulley 20 drives big belt by flat belt 22 simultaneously Wheel 24 reverse, makes reel 23 reverse, and reel 23 releases stay cord 25, makes placing frame 6 move right by the 3rd spring 7, when Cam 21 reverses to time soon close to distalmost end, and inflator 13 moves to bottom, and inflator 13 penetrates the hole of inflating of vollyball, starts Air pump 11 air-breathing, air enters the first flexible pipe 10, enters in inflator 13 by the second flexible pipe 16, and inflator 13 starts vollyball It is inflated, when cam 21 reverses to time soon away from distalmost end, inflates complete, stop air pump 11 air-breathing, when reversing to cam 21 During most proximal end, inflator 13 resets, and closes the first motor 19, is stoppered by the air plug playing aerobic vollyball, vollyball from hemisphere Take off on shape holding tray 12, put into placing frame 6, repeat above step, can constantly vollyball be inflated.
Because also including block rubber 27, the hemispherical holding tray 12 inwall left and right sides is provided with block rubber 27, is put by vollyball Putting when hemispherical holding tray 12, block rubber 27 quality is soft, can protect vollyball, and make vollyball can be stably fixed to half In spherical holding tray 12.
Because also including the first spring 28, connecting between block rubber 27 and hemispherical holding tray 12 and having the first spring 28, When vollyball is placed on hemispherical holding tray 12, vollyball can be fixed tightly by the elastic force effect of the first spring 28, Be conducive to the inflation of vollyball.
Because also including air drying agent layer 29, it is provided with air drying agent layer 29 in the first flexible pipe 10, when vollyball is entered During row inflation, air enters the first flexible pipe 10, and air can be dried by air drying agent layer 29, beneficially the filling of vollyball Gas.
Because the first motor 19 and the second motor 702 are servomotor, servomotor can accurately regulate rotating speed, is allowed to Run more steady.
Because the material of elevating lever 17 is Q235 steel, Q235 steel is wear-resistant, hardness is high, break-resistance, service life are long.
Because the top view of base 3 is square, make device more stable.
Embodiment described above only have expressed the preferred embodiment of the present invention, and it describes more concrete and detailed, but also Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art For, without departing from the inventive concept of the premise, it is also possible to making some deformation, improve and substitute, these broadly fall into this Bright protection domain.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (7)

1. a physical culture vollyball quick air-inflating apparatus, it is characterised in that include left socle (1), the second directive wheel (2), the end Seat (3), slide rail (4), slide block (5), placing frame (6), the 3rd spring (7), intermittent rotary device (8), right support (9), first soft Pipe (10), air pump (11), hemispherical holding tray (12), inflator (13), the first pole (14), the second spring (15), second soft Pipe (16), elevating lever (17), the second pole (18), the first motor (19), small belt pulley (20), cam (21), flat belt (22), Reel (23), big belt pulley (24), stay cord (25) and the first directive wheel (26), base (3) top is sequentially provided with from left to right Left socle (1), slide rail (4), intermittent rotary device (8) and right support (9), left socle (1) right side be provided with the second directive wheel (2) and First directive wheel (26), the second directive wheel (2) is positioned at the first directive wheel (26) lower section, and slide rail (4) is provided with slide block (5), slide block (5) top is provided with placing frame (6), and connecting between placing frame (6) right side and intermittent rotary device (8) left side has the 3rd spring (7), Intermittent rotary device (8) include slide-bar (701), the second motor (702), the first rotating disk (703), semilune guide block (704), Two rotating disks (706) and support seat (707), the second rotating disk (706) has a word hole (705), and the second rotating disk (706) top is provided with Supporting seat (707), support seat (707) top and be provided with hemispherical holding tray (12), the second motor (702) top connects first turn Dish (703), the first rotating disk (703) top is provided with semilune guide block (704) and slide-bar (701), and semilune guide block (704) is positioned at cunning Axle (701) front, right support (9) right side is provided with air pump (11), and the upper connection of air pump (11) has the second flexible pipe (16) and the first flexible pipe (10), right support (9) left side is provided with the first pole (14) and the second pole (18), and the first pole (14) is positioned at the second pole (18) Lower section, the first pole (14) top left is provided with the second spring (15), and the second spring (15) top connects elevating lever (17), rises Fall bar (17) front side is provided with inflator (13), and inflator (13) is positioned at directly over hemispherical holding tray (12), and inflator (13) pushes up Portion is connected with the second flexible pipe (16), and the second pole (18) front side is provided with big belt pulley (24) and the first motor (19), big belt pulley (24) being positioned at the first motor (19) left, big belt pulley (24) front side is provided with reel (23), and reel is wound with stay cord on (23) (25), the first directive wheel (26) walked around by stay cord (25), walks around the second directive wheel (2), is connected with placing frame (6) left side outward, first Motor (19) front side connects small belt pulley (20) and cam (21), and small belt pulley (20) is positioned at cam (21) rear side, belt lace Flat belt (22), cam (21) and elevating lever (17) top contact it is wound with between wheel (20) and big belt pulley (24).
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 1, it is characterised in that also include block rubber (27), hemispherical holding tray (12) the inwall left and right sides is provided with block rubber (27).
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 2, it is characterised in that also include the first bullet Spring (28), connects between block rubber (27) and hemispherical holding tray (12) and has the first spring (28).
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 1, it is characterised in that also include air and do Drying prescription layer (29), is provided with air drying agent layer (29) in the first flexible pipe (10).
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 1, it is characterised in that the first motor (19) and Second motor (702) is servomotor.
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 1, it is characterised in that the material of elevating lever (17) Matter is Q235 steel.
A kind of physical culture vollyball quick air-inflating apparatus the most according to claim 1, it is characterised in that the vertical view of base (3) Figure is square.
CN201610625237.8A 2016-08-03 2016-08-03 A kind of physical culture vollyball quick air-inflating apparatus Active CN106139538B (en)

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CN201610625237.8A CN106139538B (en) 2016-08-03 2016-08-03 A kind of physical culture vollyball quick air-inflating apparatus
CN201810468819.9A CN108607206B (en) 2016-08-03 2016-08-03 Air inflation method of volleyball quick air inflation device for sports

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CN201610625237.8A CN106139538B (en) 2016-08-03 2016-08-03 A kind of physical culture vollyball quick air-inflating apparatus

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CN107694052A (en) * 2017-11-17 2018-02-16 南昌首叶科技有限公司 A kind of physical culture production basketball charger
CN107930078A (en) * 2017-12-14 2018-04-20 周爱云 A kind of physical education volleyball service training device
CN109806555A (en) * 2019-02-19 2019-05-28 嘉兴职业技术学院 A kind of the sport inflation of production basketball and detection device
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CN114225345A (en) * 2021-12-28 2022-03-25 齐鲁师范学院 Quick aerating device of volleyball for sports

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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN106391194A (en) * 2016-12-05 2017-02-15 赵文林 Building waste glass low-consumption crushing treatment device
CN107694052A (en) * 2017-11-17 2018-02-16 南昌首叶科技有限公司 A kind of physical culture production basketball charger
CN107694052B (en) * 2017-11-17 2019-08-13 宋述雄 A kind of sport production basketball charger
CN107930078A (en) * 2017-12-14 2018-04-20 周爱云 A kind of physical education volleyball service training device
CN107930078B (en) * 2017-12-14 2019-08-27 林星星 A kind of physical education volleyball service training device
CN112999619A (en) * 2018-08-15 2021-06-22 东莞市凯勒帝数控科技有限公司 Volleyball inflation detection launching mechanism
CN109806555A (en) * 2019-02-19 2019-05-28 嘉兴职业技术学院 A kind of the sport inflation of production basketball and detection device
CN109806555B (en) * 2019-02-19 2020-10-27 嘉兴职业技术学院 Sports is aerifyd and check out test set with production basketball
CN114225345A (en) * 2021-12-28 2022-03-25 齐鲁师范学院 Quick aerating device of volleyball for sports

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