CN215310103U - Volleyball frame is used in sports teaching convenient to adjust - Google Patents

Abstract

The volleyball stand comprises fixed bases, wherein a micro motor is fixedly mounted inside one of the fixed bases, an output shaft of the micro motor is fixedly connected with a rotating shaft, two ends of the rotating shaft are positioned inside two fixed bases, a first bevel gear is fixedly arranged, the upper end of the first bevel gear is in meshed connection with a second bevel gear, a first threaded rod is fixedly arranged at the upper end of the second bevel gear, the upper end of the first threaded rod is in threaded connection with the bottom end of a lifting rod, the lower end of the first bevel gear is in meshed connection with a third bevel gear, the lower end of the third bevel gear is fixedly provided with a second threaded rod, and the bottom end of the second threaded rod is in threaded connection with a supporting plate. The height of the support plate can be adjusted, the support plate can be accommodated, the movement of the equipment is facilitated, and the stability of the equipment can be ensured.

Description

Volleyball frame is used in sports teaching convenient to adjust

Technical Field

The utility model relates to the technical field of physical education, in particular to a volleyball stand convenient to adjust and used for physical education.

Background

Volleyball is a common ball game, is one of the sports classes which are necessary to be repaired by students in colleges and universities in China, has simple volleyball field equipment, is easy to master the game rules, can be used for playing and training on a court, can also be used for activities on a common open ground, can be variable in size, and is suitable for people of different ages, different sexes, different physiques and different training degrees.

Volleyball frame is the most important constitution of this motion, and present volleyball frame for sports teaching is all through the bolt fastening subaerial, and inconvenient the pushing equipment room when not using night has reduced volleyball frame's life, can not adjust volleyball frame's height, inconvenient people's use according to the student of different age brackets moreover.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above defects in the prior art, the embodiments of the present invention provide a volleyball stand for sports teaching, which is convenient to adjust, and the technical problem to be solved by the present invention is: how to facilitate the height adjustment of the volleyball frame.

In order to achieve the purpose, the utility model provides the following technical scheme: a volleyball frame convenient to adjust for physical education comprises fixed bases, wherein an expansion sleeve is fixedly arranged at the upper end of each fixed base, lifting rods are slidably arranged at the upper ends of the expansion sleeves, a volleyball net is arranged between the two lifting rods, a micro motor is fixedly arranged in one of the fixed bases, an output shaft of the micro motor is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through the side wall of each fixed base and is rotatably arranged in the other fixed base, two ends of the rotating shaft are positioned in the two fixed bases and fixedly provided with a first bevel gear, the upper end of the first bevel gear is meshed with a second bevel gear, the upper end of the second bevel gear is fixedly provided with a first threaded rod, the upper end of the first threaded rod is in threaded connection with the bottom ends of the lifting rods, the lower end of the first bevel gear is meshed with a third bevel gear, the lower extreme of third bevel gear is fixed and is provided with the second threaded rod, the bottom threaded connection of second threaded rod has the backup pad, two unable adjustment base's bottom both sides all are provided with the removal wheel.

In a preferred embodiment, the rotating shaft is rotatably connected with a fixed base through a bearing, a storage battery is fixedly installed inside the fixed base, and the storage battery is electrically connected with the micro motor.

In a preferred embodiment, the second bevel gear and the third bevel gear are both in meshed connection with the first bevel gear.

In a preferred embodiment, the outer side walls of the lifting rod and the supporting plate are fixedly provided with limiting lugs, and the inner side walls of the telescopic sleeve and the fixed base are provided with sliding grooves.

In a preferred embodiment, the limiting projection is slidably disposed in the sliding groove, and the bottom end of the supporting plate is provided with a non-slip pad.

In a preferred embodiment, a control button is embedded on the outer side wall of the fixed base, and a protective cover is arranged on the outer side of the control button.

Compared with the prior art, the utility model has the technical effects and advantages that:

the utility model is provided with a micro motor, a first bevel gear, a second bevel gear, a third bevel gear, a threaded rod, a lifting rod, a supporting plate and a moving wheel, when the device is not used, the micro motor drives the first bevel gear, the second bevel gear and the third bevel gear to rotate, the second bevel gear and the third bevel gear can drive the first threaded rod and the second threaded rod to rotate, the lifting rod can drive the volleyball net to descend when the first threaded rod and the second threaded rod rotate, the supporting plate shrinks towards the inside of the fixed base, so that the moving wheel is contacted with the ground, the device is convenient to move through the moving wheel, the descending of the lifting rod and the volleyball net is convenient to push the device into a device chamber, the dew is prevented from falling on the device when the device is not used at night, the service life of the device is shortened, the utility model can realize the storage of the supporting plate while adjusting the height, thereby facilitating the movement of the device, the stability of equipment can be guaranteed again, and synchronous lift at volleyball net rack both ends is realized through a micro motor, can prevent that volleyball rack both ends are highly different, influence student's training.

Drawings

Fig. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic view of the internal structure of the fixing base of the present invention.

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention.

The reference signs are: the device comprises a fixed base 1, a telescopic sleeve 2, a lifting rod 3, a volleyball net 4, a micro motor 5, a rotating shaft 6, a first bevel gear 7, a second bevel gear 8, a first threaded rod 9, a third bevel gear 10, a second threaded rod 11, a support plate 12, a movable wheel 13, a storage battery 14, a limiting bump 15, a sliding groove 16 and a control button 17.

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.

The volleyball frame convenient to adjust for physical education shown in figures 1-3 comprises fixed bases 1, wherein an expansion sleeve 2 is fixedly arranged at the upper end of each fixed base 1, lifting rods 3 are slidably arranged at the upper end of each expansion sleeve 2, a volleyball net 4 is arranged between every two lifting rods 3, a micro motor 5 is fixedly arranged inside one fixed base 1, a rotating shaft 6 is fixedly connected to an output shaft of each micro motor 5, one end of each rotating shaft 6 penetrates through the side wall of the fixed base 1 and is rotatably arranged inside the other fixed base 1, first bevel gears 7 are fixedly arranged inside the two fixed bases 1 at two ends of each rotating shaft 6, second bevel gears 8 are meshed with the upper ends of the first bevel gears 7, first threaded rods 9 are fixedly arranged at the upper ends of the second bevel gears 8, and the upper ends of the first threaded rods 9 are in threaded connection with the bottom ends of the lifting rods 3, the lower end of the first bevel gear 7 is connected with a third bevel gear 10 in a meshed mode, a second threaded rod 11 is fixedly arranged at the lower end of the third bevel gear 10, a supporting plate 12 is connected to the bottom end of the second threaded rod 11 in a threaded mode, and moving wheels 13 are arranged on two sides of the bottom end of the fixing base 1.

In a preferred embodiment, the rotating shaft 6 is rotatably connected with the fixed base 1 through a bearing, a storage battery 14 is fixedly installed inside the fixed base 1, the storage battery 14 is electrically connected with the micro motor 5, and the storage battery 14 can be used for supplying power to the micro motor 5, so that the micro motor 5 can be conveniently used.

In a preferred embodiment, the second bevel gear 8 and the third bevel gear 10 are both in meshed connection with the first bevel gear 7, so that the rotation of the first bevel gear 7 is conveniently utilized to drive the second bevel gear 8 and the third bevel gear 10 to rotate.

In a preferred embodiment, the outer side walls of the lifting rod 3 and the support plate 12 are fixedly provided with limiting lugs 15, the inner side walls of the telescopic sleeve 2 and the fixed base 1 are provided with sliding grooves 16, and the lifting rod 3 can be prevented from rotating along with the first threaded rod 9 and the second threaded rod 11 by the limiting lugs 15 and the sliding grooves 16, so that the lifting rod 3 and the support plate 12 can be lifted.

In a preferred embodiment, the limit protrusions 15 are slidably disposed in the sliding grooves 16, and the bottom end of the support plate 12 is provided with a non-slip pad, which makes the device more stable.

In a preferred embodiment, a control button 17 is embedded in the outer side wall of the fixing base 1, a protective cover is arranged outside the control button 17, the control button 17 facilitates control of the micro motor 5, and the protective cover can protect the control button 17.

The implementation mode is specifically as follows: after the equipment is pushed to a stadium from an equipment room through the moving wheel 13, the micro motor 5 is turned on through the control button 17, the micro motor 5 is turned on to drive the rotating shaft 6 to rotate, the rotating shaft 6 can drive the two first bevel gears 7 inside the two fixed bases 1 to rotate when rotating, the two first bevel gears 7 can drive the second bevel gear 8 and the third bevel gear 10 to rotate, the first threaded rod 9 can be driven to rotate when the second bevel gear 8 rotates, the lifting rod 3 can be driven to move upwards when the first threaded rod 9 rotates, so that the lifting rod 3 drives the volleyball net 4 to move upwards, the second bevel gear 10 can be driven to rotate the second threaded rod 11 when rotating, the support plate 12 can be driven to move downwards when the second threaded rod 11 rotates, the support plate 12 is in contact with the ground, the moving wheel 13 is far away from the ground, the equipment is stabilized on the stadium, and the height of the volleyball net 4 is adjusted according to the turn-on time of the micro motor 5, the utility model is convenient for students of different ages to use; when using the back of accomplishing and need pushing equipment to the equipment room, make micro motor 5 antiport for make lifter 3 drive volleyball net 4 descend, and backup pad 12 upwards moves and contracts in unable base 1, make and remove wheel 13 contact ground, thereby utilize and remove wheel 13 with equipment propelling movement to the equipment room, can prevent after the lifter 3 contracts that lifter 3 is higher can't directly push to in the equipment room.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the utility model can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.

Claims (6)

1. The utility model provides a volleyball frame for sports teaching convenient to adjust, includes unable adjustment base (1), the fixed telescope (2) that are provided with in upper end of unable adjustment base (1), the upper end of telescope (2) slides and is provided with lifter (3), two be provided with volleyball net (4), its characterized in that between lifter (3): a micro motor (5) is fixedly mounted inside one of the fixed bases (1), an output shaft of the micro motor (5) is fixedly connected with a rotating shaft (6), one end of the rotating shaft (6) penetrates through the side wall of the fixed base (1) and is rotatably arranged inside the other fixed base (1), first bevel gears (7) are fixedly arranged at two ends of the rotating shaft (6) and positioned inside the two fixed bases (1), second bevel gears (8) are connected to the upper ends of the first bevel gears (7) in a meshed manner, first threaded rods (9) are fixedly arranged at the upper ends of the second bevel gears (8), the upper ends of the first threaded rods (9) are in threaded connection with the bottom ends of the lifting rods (3), third bevel gears (10) are connected to the lower ends of the first bevel gears (7) in a meshed manner, and second threaded rods (11) are fixedly arranged at the lower ends of the third bevel gears (10), the bottom end of the second threaded rod (11) is in threaded connection with a supporting plate (12), and two moving wheels (13) are arranged on two sides of the bottom end of the fixing base (1).

2. The volleyball stand for sports teaching convenient to adjust of claim 1, wherein: the rotating shaft (6) is rotatably connected with the fixed base (1) through a bearing, a storage battery (14) is fixedly mounted inside the fixed base (1), and the storage battery (14) is electrically connected with the micro motor (5).

3. The volleyball stand for sports teaching convenient to adjust of claim 1, wherein: the second bevel gear (8) and the third bevel gear (10) are in meshed connection with the first bevel gear (7).

4. The volleyball stand for sports teaching convenient to adjust of claim 1, wherein: the outer side walls of the lifting rod (3) and the supporting plate (12) are fixedly provided with limiting convex blocks (15), and the inner side walls of the telescopic sleeve (2) and the fixed base (1) are provided with sliding grooves (16).

5. A volleyball stand for sports teaching convenient to adjust according to claim 4, wherein: the limiting convex blocks (15) are arranged in the sliding grooves (16) in a sliding mode, and the bottom end of the supporting plate (12) is provided with an anti-slip pad.

6. The volleyball stand for sports teaching convenient to adjust of claim 1, wherein: the outer side wall of the fixed base (1) is provided with a control button (17) in an embedded mode, and the outer side of the control button (17) is provided with a protective cover.

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