CN111097149B

CN111097149B - Basketball stand convenient to move and adjustable in height and using method thereof

Info

Publication number: CN111097149B
Application number: CN202010063588.0A
Authority: CN
Inventors: 叶芯可
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-20
Filing date: 2020-01-20
Publication date: 2021-06-04
Anticipated expiration: 2040-01-20
Also published as: CN111097149A

Abstract

The invention relates to the field of basketball stands, in particular to a basketball stand convenient to move and adjustable in height and a using method thereof. The basketball stand convenient to move and adjustable in height and the using method of the basketball stand increase the mobility of the basketball stand, are beneficial to comprehensive utilization of a field, achieve height adjustment of the basketball stand, improve the safety of the basketball stand in the using process and avoid safety accidents.

Description

Basketball stand convenient to move and adjustable in height and using method thereof

Technical Field

The invention relates to the field of basketball stands, in particular to a basketball stand which is convenient to move and adjustable in height and a using method thereof.

Background

The basketball stand is indispensable in basketball sports, and at present, the basketball stand adopted in schools is cast by steel, so that the basketball stand is very heavy and difficult to move, the maneuverability of the basketball stand is influenced, and the comprehensive utilization of a field is not utilized; aiming at the problems that the existing basketball stands of students in different grades adopt a liftable structure to adapt to the students in different grades to carry out basketball training, competition and the like, but the existing lifting structures are usually directly driven by motors, hydraulic cylinders or air cylinders, so that the safety and reliability of the basketball stands can not be ensured when driving equipment fails, and the raised basketball stands have larger flexible bending deformation due to the fact that the length of telescopic rods for supporting the backboard is increased, so that the structural strength is lower and safety accidents such as breakage and the like are easy to occur when a basketball strikes the backboard, and the gravity center of the raised basketball stands is increased, the stability is poorer, the basketball stands are easy to collapse in the using process and the safety accidents are also easy to occur.

Disclosure of Invention

The invention aims to provide a basketball stand which is convenient to move and adjustable in height and a using method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a remove convenient and height-adjustable's basketball stands, including base and backboard, the upper surface left end of base is fixed with vertical ascending sleeve, the dorsal part of backboard is fixed with the lifter of falling L shape, and the vertical section sliding connection of lifter is in the sleeve, be fixed with the basket on the backboard, the upper surface right-hand member of base is fixed with vertical ascending support, be provided with the elevating system who carries out altitude mixture control to the lifter between grudging post and the sleeve, the middle part of base is provided with extension mechanism, and extension mechanism is connected with the elevating system transmission, four corners of base are provided with running gear, and running gear is connected through the stay cord with elevating system.

Preferably, elevating system is including fixing the balladeur train in the grudging post upper end, and the balladeur train level is horizontal, and sliding connection has the slide on the balladeur train, is fixed with vertical ascending pole setting on the slide, and the vertical section upper end of lifter is fixed with the fixed block, and is articulated through connecting rod one and connecting rod two between fixed block and the pole setting, and connecting rod one and connecting rod two are parallel to each other, and the structure is the same, and connecting rod one is located the below of connecting rod two.

Preferably, elevating system still includes dead axle and rotates turbine and the pivot of connecting in sleeve upper end, and the pivot is located the below of turbine, and the both ends of pivot dead axle rotate connecting sleeve and balladeur train respectively, and the coaxial worm that is fixed with in the pivot, and the worm is connected with the turbine meshing, is fixed with connecting rod three on the turbine, and the upper end of connecting rod three is articulated with the middle part of connecting rod one, and the rotation center of turbine and the lower extreme horizontal height parallel and level of connecting rod one, and the length of connecting rod three is half of connecting rod one length.

Preferably, the lifting mechanism further comprises an air cylinder which is fixed on the base and vertically and upwards arranged, a lifting seat is fixed at a piston rod end of the air cylinder, a motor is fixed on the lifting seat, a second bevel gear is fixed at an output shaft end of the motor, a first bevel gear is coaxially fixed on the rotating shaft, and the first bevel gear can be meshed with the second bevel gear.

Preferably, the expanding mechanism is including seting up the logical groove in base middle part, and lead to the inslot and be fixed with the horizontal slide bar of level, sliding connection has two sliding sleeves on the slide bar, the both sides of sliding sleeve all articulate there is the extension bar, and the extension bar of sliding sleeve both sides uses the slide bar to be located the both sides of slide bar respectively as the line of symmetry, bar groove two has been seted up at the middle part of extension bar, the lower surface middle part of base is fixed with the pin rod that corresponds with the extension bar, the pin rod is pegged graft in the bar groove two that correspond the extension bar, and can slide in the bar ins.

Preferably, the one end that the sliding sleeve was kept away from to the extension rod sets up height-adjustable's stabilizer blade, and the stabilizer blade includes the bolt of threaded connection on the extension rod, and the lower extreme of bolt is fixed with the backing plate.

Preferably, the expanding mechanism further comprises a supporting frame fixed in the middle of the upper surface of the base, a guide sleeve is fixed in the middle of the supporting frame, a fifth connecting rod is connected in the guide sleeve in a sliding mode, the fifth connecting rod vertically faces upwards and is perpendicular to the sliding rod, the lower end of the fifth connecting rod is hinged to the two sliding sleeves through a sixth connecting rod, and the upper end of the fifth connecting rod is hinged to the sliding seat through a fourth connecting rod.

Preferably, running gear rotates the commentaries on classics cover of connecting on the base including the walking wheel that is provided with base corner and dead axle, changes the vertical direction setting of cover to the lower extreme of changeing the cover is fixed with the wheel carrier, and the wheel carrier is the U-shaped structure that the opening is decurrent, and the walking wheel dead axle rotates to be connected between the lower extreme of wheel carrier.

Preferably, running gear still includes connecting rod seven, connecting rod seven's middle part articulates the upper end at the bracing piece, and the bracing piece is fixed in the upper surface of base, the inside sliding connection who changes the cover has the depression bar, the lower extreme of depression bar passes the middle part of wheel carrier and can slides relative the wheel carrier, the lower extreme of depression bar is fixed with the friction plate, and the friction plate can be connected with walking wheel frictional contact, bar groove one has been seted up to connecting rod seven's one end, and the upper end of depression bar is fixed with the nose bar, the nose bar is pegged graft in bar groove one, and can slide in bar groove one, connecting rod seven's the other end passes through the upper surface connection of spring and base, connecting rod seven is close to the one end of.

In addition, the application also provides a use method of the basketball stand which is convenient to move and adjustable in height, and the use method comprises the following steps:

the method comprises the following steps: the basketball stand is heightened through the lifting mechanism, the lifting mechanism drives the extension mechanism to be unfolded in the heightening process, and meanwhile, the travelling mechanism is kept locked;

step two: the basketball stand is lowered through the lifting mechanism, the lifting mechanism drives the extension mechanism to be condensed in the lowering process, and meanwhile, the walking mechanism is kept in a locked state;

step three: the lifting mechanism unlocks the traveling mechanism, and the traveling mechanism moves the basketball stand.

Compared with the prior art, the invention has the beneficial effects that:

in the invention, the free movement of the basketball stand is realized through the travelling mechanism, so that the maneuverability of the basketball stand is increased, the comprehensive utilization of a field is facilitated, and the travelling mechanism is kept locked in the process of adjusting the height of the basketball stand, so that the stability of the basketball stand during height adjustment and the stability of the basketball stand during use are ensured.

According to the invention, the height of the basketball stand is adjusted by using the lifting mechanism, so that the basketball stand is suitable for students in different grades, the operation is simple and convenient, and the defect that the flexible deformation is aggravated due to the fact that the length of the basketball stand is increased due to the rising of the basketball stand can be avoided, so that the impact strength of the basketball stand in the use process is improved, and the use safety is improved.

In the invention, in the process of adjusting the height of the basketball stand by the lifting mechanism, the extension is synchronously driven to expand or contract so as to adjust the supporting surface of the base to adapt to the change of the gravity center caused by the height change of the basketball stand, thereby improving the safety of the basketball stand in the use process and avoiding safety accidents.

Drawings

FIG. 1 is a first schematic view of an assembly structure according to the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a bottom view of the base structure of FIG. 1;

FIG. 4 is a second schematic view of the final assembly structure of the present invention;

FIG. 5 is a bottom view of the base structure of FIG. 4;

FIG. 6 is a schematic view of the end structure of the expansion rod of the present invention;

FIG. 7 is a third schematic view of the final assembly structure of the present invention;

FIG. 8 is an enlarged view of the structure at B in FIG. 7;

fig. 9 is a side view of the road wheel structure of fig. 8.

In the figure: 1-a base; 2-a traveling mechanism; 3-a sleeve; 4-a lifting rod; 5-a backboard; 6-a scaffold; 7-a carriage; 8-a slide seat; 9-erecting a rod; 10-fixing blocks; 11-connecting rod one; 12-link two; 13-a turbine; 14-connecting rod three; 15-a rotating shaft; 16-a worm; 17-a cylinder; 18-a lifting seat; 19-a motor; 20-bevel gear one; 21-a pull rope; 22-link four; 23-connecting rod five; 24-a support frame; 25-a guide sleeve; 26-a slide bar; 27-a sliding sleeve; 28-link six; 29-a support bar; 30-connecting rod seven; 31-a spring; 32-a first strip groove; 33-a pressure bar; 34-rotating sleeve; 35-a wheel carrier; 36-a friction plate; 37-road wheels; 38-pin bar; 39-a strip groove II; 40-an extension rod; 41-a leg; and 42-bevel gear two.

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 obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 9, the present invention provides a technical solution:

on the one hand, the basketball stand convenient to move and adjustable in height is provided, the basketball stand comprises a base 1 and a backboard 5, a vertical upward sleeve 3 is fixed to the left end of the upper surface of the base 1, a lifting rod 4 in an inverted L shape is fixed to the back side of the backboard 5, the vertical section of the lifting rod 4 is connected into the sleeve 3 in a sliding mode, a basket is fixed to the backboard 5, a vertical upward support 6 is fixed to the right end of the upper surface of the base 1, a lifting mechanism for adjusting the height of the lifting rod 4 is arranged between the vertical frame 6 and the sleeve 3, an expansion mechanism is arranged at the middle of the base 1 and connected with the lifting mechanism in a transmission mode, walking mechanisms 2 are arranged at four corners of the base 1, and the walking mechanisms 2 are connected with the lifting mechanism through pull ropes 21.

In this embodiment, an infrared sensor may be disposed on the backboard 5, and the distance of the athlete ahead may be detected by the infrared sensor, and if the basketball is thrown on the basketball rim, the switch may be triggered to record data and report the scores "1 point", "2 point" and "3 point", and no special scorer is required.

In this embodiment, as shown in fig. 1, 4, and 7, the lifting mechanism includes a carriage 7 fixed at the upper end of the stand 6, the carriage 7 is horizontally disposed, a sliding seat 8 is slidably connected to the carriage 7, a vertical upward upright rod 9 is fixed on the sliding seat 8, a fixed block 10 is fixed at the upper end of a vertical section of the lifting rod 4, the fixed block 10 and the upright rod 9 are hinged to each other through a first connecting rod 11 and a second connecting rod 12, the first connecting rod 11 and the second connecting rod 12 are parallel to each other, and have the same structure, the first connecting rod 11 is located below the second connecting rod 12, and a parallel four-bar linkage is formed between the first connecting rod 11, the second connecting rod 12, the upright.

In this embodiment, the lifting mechanism further includes a turbine 13 and a rotating shaft 15 which are connected to the upper end of the sleeve 3 in a fixed-shaft rotating manner, the rotating shaft 15 is located below the turbine 13, two ends of the rotating shaft 15 are respectively connected to the sleeve 3 and the carriage 7 in a fixed-shaft rotating manner, a worm 16 is coaxially fixed on the rotating shaft 15, the worm 16 is connected with the turbine 13 in a meshed manner, a third connecting rod 14 is fixed on the turbine 13, the upper end of the third connecting rod 14 is hinged to the middle of the first connecting rod 11, the rotating center of the turbine 13 is flush with the horizontal height of the lower end of the first connecting rod 11, and the length of the third connecting rod 14 is half of.

In this embodiment, the lifting mechanism further includes an air cylinder 17 fixed on the base 1 and vertically arranged upwards, a piston rod end of the air cylinder 17 is fixed with a lifting seat 18, a motor 19 is fixed on the lifting seat 18, an output shaft end of the motor 19 is fixed with a second bevel gear 42, a first bevel gear 20 is coaxially fixed on the rotating shaft 15, and the first bevel gear 20 can be meshed with the second bevel gear 42.

In this embodiment, as shown in fig. 3 and 5, the expanding mechanism includes a through groove formed in the middle of the base 1, a horizontally-transverse sliding rod 26 is fixed in the through groove, two sliding sleeves 27 are slidably connected to the sliding rod 26, extension rods 40 are hinged to two sides of the sliding sleeve 27, the extension rods 40 on two sides of the sliding sleeve 27 are located on two sides of the sliding rod 26 respectively by using the sliding rod 26 as a symmetry line, a second strip-shaped groove 39 is formed in the middle of the extension rod 40, a pin 38 corresponding to the extension rod 40 is fixed in the middle of the lower surface of the base 1, and the pin 38 is inserted into the second strip-shaped groove 39 corresponding to the extension rod 40 and can slide in the second strip-shaped groove 39.

In this embodiment, as shown in fig. 6, a height-adjustable leg 41 is disposed at one end of the extension rod 40 away from the sliding sleeve 27, the leg 41 includes a bolt screwed on the extension rod 40, and a pad is fixed at a lower end of the bolt.

In this embodiment, as shown in fig. 1, 4 and 7, the expanding mechanism further includes a supporting frame 24 fixed at the middle of the upper surface of the base 1, a guiding sleeve 25 is fixed at the middle of the supporting frame 24, a five connecting rod 23 is slidably connected in the guiding sleeve 25, the five connecting rod 23 is vertically upward and perpendicular to the sliding rod 26, the lower end of the five connecting rod 23 is hinged to two sliding sleeves 27 through two six connecting rods 28, and the upper end of the five connecting rod 23 is hinged to the sliding base 8 through a four connecting rod 22.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 6, the traveling mechanism 2 includes a traveling wheel 37 disposed at a corner of the base 1 and a rotating sleeve 34 rotatably connected to the base 1 with a fixed shaft, the rotating sleeve 34 is disposed in a vertical direction, a wheel carrier 35 is fixed to a lower end of the rotating sleeve 34, the wheel carrier 35 is a U-shaped structure with a downward opening, and the traveling wheel 37 is rotatably connected between lower ends of the wheel carrier 35 with a fixed shaft.

In this embodiment, the traveling mechanism 2 further includes a seventh connecting rod 30, the middle of the seventh connecting rod 30 is hinged to the upper end of the supporting rod 29, the supporting rod 29 is fixed on the upper surface of the base 1, a pressing rod 33 is slidably connected inside the rotating sleeve 34, the lower end of the pressing rod 33 penetrates through the middle of the wheel carrier 35 and can slide relative to the wheel carrier 35, a friction plate 36 is fixed at the lower end of the pressing rod 33, the friction plate 36 can be in frictional contact connection with the traveling wheels, a first strip-shaped groove 32 is formed in one end of the seventh connecting rod 30, a protruding rod is fixed at the upper end of the pressing rod 33 and is inserted into the first strip-shaped groove 32 and can slide in the first strip-shaped groove 32, the other end of the seventh connecting rod 30 is connected with the upper surface of the base 1 through a spring 31, and one.

In addition, the invention also provides a using method of the basketball stand, which comprises the following steps: this kind of remove convenient and height-adjustable's basketball stand when using, include following step:

the method comprises the following steps: as shown in fig. 1, 4 and 7, when the height of the basketball stand needs to be adjusted according to the player who performs basketball movement, the cylinder 17 is powered on and started, the lifting base 18 and the motor 19 fixed on the lifting base 8 are driven by the piston rod to synchronously lift, the lifting of the motor 19 drives the bevel gear II 42 to lift, the bevel gear I20 is meshed and connected, the operation of the cylinder 17 is stopped at the moment, and the position of the motor 19 is kept unchanged, the motor 19 is started at the moment, the motor 19 adopts a stepping motor and has a forward and reverse rotation function, when the output shaft of the motor 19 rotates forwards, the rotating shaft 15 is driven by the bevel gear II 42 and the bevel gear I20 to rotate, so as to synchronously drive the worm 16 to rotate, the rotation of the worm 16 drives the worm wheel 13 to rotate anticlockwise, the anticlockwise rotation of the worm wheel 13 drives the connecting rod III 14 to rotate, the included angle between the third connecting rod 14 and the upper half section of the first connecting rod 11 is increased, so that the upper end position of the first connecting rod 11 is increased, the lifting rod 4 is driven to ascend synchronously through the fixing block 10, the backboard 5 is driven to ascend by the lifting rod 4 so as to be suitable for high-grade students, after the lifting rod 4 is adjusted in height and used, the flexible deformation of the lifting rod 4 is intensified, the first connecting rod 11, the second connecting rod 12, the upright rod 9 and the fixing block 10 are connected through a parallel four-bar mechanism between the lifting rod 4 and the carriage 7, the carriage 7 plays a role in resisting deformation and bending on the upper end part of the lifting rod 4 through the carriage 8 and the parallel four-bar mechanism, so that the deformation resistance strength of the lifting rod 4 after being increased and lengthened is enhanced, the stable safety of the basketball stand in the using process is increased, and the lifting rod 4 is ensured to keep stable vertical up and down movement all the time in the lifting process, so that the lifting rod 4 can stably ascend or descend in the lifting process;

as shown in fig. 2 and 8, after the lifting base 18 is lifted, an upward pulling force is applied to one end of the connecting rod seven 30 of the corresponding travelling mechanism 2 close to the spring 31 through the pulling rope 21, so that the connecting rod seven 30 is lifted at the right end in fig. 2 and 8, and simultaneously the spring 31 is stretched, so that a downward restoring force is obtained, as can be seen from the lever principle, the left end of the connecting rod seven 30 moves downwards, and a downward pressure is applied to the pressing rod 33, so that the pressing rod 33 drives the friction plate 36 to move downwards and press and attach to the upper end of the travelling wheel 37, the travelling wheel 37 cannot move under the action of the friction force between the friction plate 36 and the travelling wheel 37, and the base 1 is further kept stable and immovable, so that the basketball stand is kept immovable when in use, the operation is simple and convenient, and the base 1 can be kept stable and not swayed when the lifting mechanism lifts or lowers the lifting rod 4, thereby improving the safety and reliability of the lifting rod 4 when adjusting the height;

when the upper end of the first connecting rod 11 rises, the lower end of the first connecting rod drives the sliding base 8 to move leftwards on the sliding frame 7, when the sliding base 8 moves leftwards, the fourth connecting rod 22 applies downward pressure to the fifth connecting rod 23, the fourth connecting rod 23 moves downwards under the action of the guide sleeve 25, the fifth connecting rod 23 moves downwards to respectively apply transverse thrust to the two corresponding sliding sleeves 27 through the six connecting rods 28, and the two sliding sleeves 27 are separated from each other on the sliding rod 26, as shown in fig. 3 and 4, in the process that the two sliding sleeves 27 are separated from each other, the sliding sleeves 27 push the two expansion rods 40 at two sides to rotate around the corresponding pin rods 38, and the included angle of the two expansion rods 40 is enlarged and tends to be right-angled, so that the supporting surface of the base 1 is enlarged, the supporting stability of the base 1 is improved, the problem of poor stability of gravity center rising caused by the rising of the basketball stand is avoided, and the safety of, safety accidents are avoided;

step two: when the output shaft of the motor 19 rotates reversely, the rotating shaft 15 is driven to rotate reversely through the bevel gear II 42 and the bevel gear I20, so that the worm 16 is driven to rotate reversely synchronously, the worm 16 rotates reversely to drive the worm wheel 13 to rotate clockwise, the worm wheel 13 rotates clockwise to drive the connecting rod III 14 to rotate clockwise, and in the process of clockwise rotation of the connecting rod III 14, the included angle between the connecting rod III 14 and the upper half section of the connecting rod I11 is reduced, so that the upper end position of the connecting rod I11 is reduced, the lifting rod 4 is driven to descend synchronously through the fixing block 10, and the backboard 5 is driven to descend by the descending of the lifting rod 4, so that the multifunctional electric bicycle is suitable for students;

when the upper end of the first connecting rod 11 descends, the lower end of the first connecting rod drives the sliding base 8 to move rightwards on the sliding frame 7, when the sliding base 8 moves rightwards, the fourth connecting rod 22 applies upward tension to the fifth connecting rod 23, the fourth connecting rod 23 moves upwards under the action of the guide sleeve 25, the fifth connecting rod 23 moves upwards through the sixth connecting rod 28 to respectively apply transverse tension to the two corresponding sliding sleeves 27, and the two sliding sleeves 27 are made to approach each other on the sliding rod 26, when needing to be noted, the six connecting rods 28 are always not overlapped in parallel in the vertical direction, so that dead point positions are avoided, the expansion mechanism cannot be smoothly unfolded, as shown in fig. 3 and 4, in the process that the two sliding sleeves 27 approach each other, the sliding sleeves 27 pull the two expansion rods 40 on two sides to rotate around the corresponding pin rods 38 in the direction opposite to the direction in the first step, and the included angle of the two expansion rods 40 is reduced, so as to reduce the supporting surface of, the occupied space of the field is reduced, the support surface formed by the extension rod 40 can still meet the stability of the basketball stand in the state, namely, the expansion and the condensation of the extension mechanism correspond to the lifting and the descending of the basketball stand, and the walking mechanism 2 still keeps the stable state in the first step in the process that the motor 19 drives the rotating shaft 15 to rotate;

the height of the basketball stand is conveniently adjusted through the lifting mechanism in the first step and the second step so as to adapt to students of different grades to carry out basketball movement, wherein the lifting mechanism is used through the matching of the turbine 13 and the worm 16, the basketball stand has the characteristics of simple transmission structure, large transmission torque and stable power output, the turbine 13 and the worm 16 have self-locking performance under the general axial condition, the basketball stand can keep stable and improve the stability even if the motor 19 is damaged, and the lifting rod 4 and the sliding frame 7 are connected through a parallel four-bar linkage formed by the connecting rod I11, the connecting rod II 12, the upright rod 9 and the fixed block 10, namely the sliding frame 7 plays a reinforcing role on the lifting rod 4 through the parallel four-bar linkage, thereby avoiding the defect of aggravation of flexible deformation due to the lifting of the lifting rod 4, and the increase of the length, and further improving the impact strength of the basketball stand in the use process, the use safety is improved;

step three: when the basketball stand needs to be moved integrally, as shown in fig. 1, fig. 2, fig. 4, fig. 7, fig. 8 and fig. 9, firstly, the motor 19 is started according to the operation process described in the step two to enable the lifting rod 4 to descend to the lowest position through the lifting mechanism, so that the center of the basketball stand is kept to be the lowest position in the process of moving the basketball stand, the stability of the basketball stand during moving is ensured, and the danger caused by shaking due to overhigh height is avoided;

after the lifting seat 18 descends, an upward pulling force cannot be applied to the seven connecting rods 30 through the pull ropes 21, at this time, the seven connecting rods 30 move downwards at the right end in fig. 2 and 8 under the action of a downward restoring force of the springs 3, as known from a lever principle, the left ends of the seven connecting rods 30 rise, and an upward pulling force is applied to the press rods 33, so that the press rods 33 drive the friction plates 36 to move upwards and away from the walking wheels 37, the friction plates are not in contact with the walking wheels 37, the walking wheels 37 can move freely without the action of a friction force, namely, the walking wheels 37 are locked by contact with the walking wheels, then the basketball stand is pushed to move to a target position under the action of the walking wheels 37, as shown in fig. 2, fig. and fig. 9, the walking wheels 37 can rotate around the central axis of the rotating sleeve 34 on a horizontal plane, so that the walking direction can be changed, and the basketball stand can also rotate around the central axis of the basketball stand, thereby increasing the maneuverability of the basketball stand and being beneficial to the comprehensive utilization of the field;

it should be noted that, as shown in fig. 6, during the moving or lifting process of the basketball stand, the lower end pad of the support leg 41 on the extension rod 40 should be far away from the ground so as to ensure that the support leg 41 does not contact with the ground during the moving or lifting process of the basketball stand, thereby preventing the pad from contacting with the ground to generate resistance, and preventing the expansion mechanism from expanding or contracting during the moving or lifting process of the basketball stand, after the basketball stand is moved or the height adjustment is completed, the support leg 41 is adjusted to contact the pad with the ground, so as to provide stable supporting force, on the other hand, the adjustment can be performed according to the heights of different grounds, so as to improve the practicability, in the above process, the replacement can be performed according to the wear condition of the lower end pad, so as to ensure the safety, after the position of the basketball stand is moved, the cylinder 17 is started again so that the cylinder 17 drives the lifting base 18 and, the travel mechanism 2 is thereby locked again by the rope 21 and is kept stable.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a remove convenient and height-adjustable's basketball stands, includes base (1) and backboard (5), the upper surface left end of base (1) is fixed with vertical ascending sleeve (3), the dorsal part of backboard (5) is fixed with down L shape lifter (4), and the vertical section sliding connection of lifter (4) in sleeve (3), be fixed with the basket on backboard (5), its characterized in that: a vertically upward support (6) is fixed at the right end of the upper surface of the base (1), a lifting mechanism for adjusting the height of the lifting rod (4) is arranged between the support (6) and the sleeve (3), an expansion mechanism is arranged in the middle of the base (1) and is in transmission connection with the lifting mechanism, walking mechanisms (2) are arranged at four corners of the base (1), and the walking mechanisms (2) are connected with the lifting mechanism through pull ropes (21); the lifting mechanism comprises a sliding frame (7) fixed at the upper end of a support (6), the sliding frame (7) is horizontally arranged, a sliding seat (8) is connected onto the sliding frame (7) in a sliding mode, a vertical upward vertical rod (9) is fixed on the sliding seat (8), a fixed block (10) is fixed at the upper end of a vertical section of the lifting rod (4), the fixed block (10) is hinged to the vertical rod (9) through a first connecting rod (11) and a second connecting rod (12), the first connecting rod (11) and the second connecting rod (12) are parallel to each other and have the same structure, and the first connecting rod (11) is located below the second connecting rod (12); elevating system still includes dead axle and rotates turbine (13) and pivot (15) of connecting in sleeve (3) upper end, pivot (15) are located the below of turbine (13), and the both ends of pivot (15) dead axle respectively rotate connecting sleeve (3) and balladeur train (7), coaxial being fixed with worm (16) on pivot (15), and worm (16) are connected with turbine (13) meshing, be fixed with connecting rod three (14) on turbine (13), the upper end of connecting rod three (14) is articulated with the middle part of connecting rod (11), and the centre of rotation of turbine (13) and the lower extreme level parallel and level of connecting rod (11), and the length of connecting rod three (14) is half of connecting rod (11) length.

2. The basketball stand of claim 1, wherein the basketball stand is capable of being moved easily and adjusted in height: the lifting mechanism further comprises an air cylinder (17) which is fixed on the base (1) and vertically arranged upwards, a lifting seat (18) is fixed at a piston rod end of the air cylinder (17), a motor (19) is fixed on the lifting seat (18), a bevel gear II (42) is fixed at an output shaft end of the motor (19), a bevel gear I (20) is coaxially fixed on the rotating shaft (15), and the bevel gear I (20) can be meshed with the bevel gear II (42) for connection.

3. The basketball stand of claim 1, wherein the basketball stand is capable of being moved easily and adjusted in height: extension mechanism is including seting up the logical groove in base (1) middle part, and leads to the inslot and be fixed with horizontal slide bar (26), sliding connection has two sliding sleeves (27) on slide bar (26), the both sides of sliding sleeve (27) all articulate has expander rod (40), and expander rod (40) of sliding sleeve (27) both sides use slide bar (26) to be located the both sides of slide bar (26) respectively as the symmetric line, bar groove two (39) have been seted up at the middle part of expander rod (40), the lower surface middle part of base (1) is fixed with pin rod (38) that correspond with expander rod (40), peg graft in bar groove two (39) that correspond expander rod (40) pin rod (38) to can slide in bar groove two (39).

4. The basketball stand of claim 3, wherein the basketball stand is capable of being moved conveniently and adjusted in height: but the one end that sliding sleeve (27) were kept away from in extension rod (40) sets up height-adjusting's stabilizer blade (41), stabilizer blade (41) are including the bolt of threaded connection on extension rod (40), the lower extreme of bolt is fixed with the backing plate.

5. The basketball stand of claim 3, wherein the basketball stand is capable of being moved conveniently and adjusted in height: extension mechanism is still including fixing support frame (24) at base (1) upper surface middle part, and support frame (24) middle part is fixed with uide bushing (25), and sliding connection has connecting rod five (23) in uide bushing (25), connecting rod five (23) are vertical upwards to with slide bar (26) mutually perpendicular, the lower extreme of connecting rod five (23) is articulated two through two connecting rod six (28) sliding sleeve (27), connecting rod four (22) articulated slide (8) are passed through to the upper end of connecting rod five (23).

6. The basketball stand of claim 2, wherein the basketball stand is capable of being moved conveniently and adjusted in height: running gear (2) are including walking wheel (37) and the dead axle rotation of being provided with base (1) corner connecting commentaries on classics cover (34) on base (1), change the setting of cover (34) vertical direction to the lower extreme of changeing cover (34) is fixed with wheel carrier (35), wheel carrier (35) are the U-shaped structure of opening decurrent, and walking wheel (37) dead axle rotation connects between the lower extreme of wheel carrier (35).

7. The basketball stand of claim 6, wherein the basketball stand is capable of being moved easily and adjusted in height: the traveling mechanism (2) further comprises a connecting rod seven (30), the middle of the connecting rod seven (30) is hinged to the upper end of the supporting rod (29), the supporting rod (29) is fixed to the upper surface of the base (1), a pressing rod (33) is connected to the inside of the rotating sleeve (34) in a sliding mode, the lower end of the pressing rod (33) penetrates through the middle of the wheel carrier (35) and can slide relative to the wheel carrier (35), a friction plate (36) is fixed to the lower end of the pressing rod (33) and can be connected with the traveling wheel in a friction contact mode, a strip-shaped groove I (32) is formed in one end of the connecting rod seven (30), a convex rod is fixed to the upper end of the pressing rod (33) and is inserted into the strip-shaped groove I (32) and can slide in the strip-shaped groove I (32), the other end of the connecting rod seven (30) is connected with the upper surface of the base (1) through a spring (31), one end, close to the spring (31), of the connecting rod seven (30) is connected with And (6) connecting.

8. The use method of the basketball stand with convenient movement and adjustable height as claimed in claim 7, wherein: the method comprises the following steps:

the method comprises the following steps: the basketball stand is heightened through the lifting mechanism, the lifting mechanism drives the extension mechanism to be unfolded in the heightening process, and meanwhile, the travelling mechanism (2) is kept locked;

step two: the basketball stand is lowered through the lifting mechanism, the lifting mechanism drives the extension mechanism to be condensed in the lowering process, and meanwhile, the travelling mechanism (2) is kept in a locked state;

step three: the lifting mechanism releases the locking of the travelling mechanism (2), and the travelling mechanism (2) enables the basketball stand to move.