CN112755483A

CN112755483A - Volleyball net mount for volleyball court

Info

Publication number: CN112755483A
Application number: CN202110047285.4A
Authority: CN
Inventors: 杨建文; 刘晓潇; 郭春锋; 杨浩; 田宇
Original assignee: Lanzhou University of Technology
Current assignee: Lanzhou University of Technology
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-05-07

Abstract

The invention discloses a volleyball net fixing frame for a volleyball court, which comprises a bottom plate, wherein a supporting column is fixed at the lower end of the bottom plate, a universal wheel is fixed at the other end of the supporting column, an adjusting device is sleeved on the supporting column, an installation box is fixed on the top surface of the bottom plate, a vertical pipe is fixed on the top surface of the installation box, an adjusting rod is coupled between two opposite side surfaces of the installation box, a driving bevel gear is fixed on the adjusting rod, a screw rod is coupled to the inner cavity of the vertical pipe in a shaft connection mode, the bottom end of the screw rod extends into the installation box, a driven bevel gear is fixed at the bottom end of the screw rod and is meshed with the. This device can be applicable to various places, and application scope is wide, is convenient for remove, makes things convenient for people to carry out physical training, can remove at will after finishing using, has saved the sports activity place, and volleyball net height can be adjusted simultaneously, can adapt to the crowd at different ages and different heights, has improved the suitability of this volleyball net mount.

Description

Volleyball net mount for volleyball court

Technical Field

The invention relates to the technical field of sports equipment, in particular to a volleyball net fixing frame for a volleyball court.

Background

Volleyball is a popular sports item, the volleyball field equipment is simple, the game rules are easy to master, the volleyball can be played and trained on a court, the volleyball can also be played on a common open ground, the amount of exercise can be large or small, and the volleyball is suitable for people of different ages, sexes, constitutions and training degrees.

The vertical rods of the conventional volleyball net fixing frame are directly fixed on the site, and the volleyball net is hung when the volleyball net fixing frame is used, so that the volleyball net fixing frame has the defect of inconvenience in moving, is limited in site and can only be used in a volleyball special site, and meanwhile, due to the fixed vertical rods, the height of the volleyball net is difficult to adjust, so that help cannot be provided for different people, and the applicability is low.

Disclosure of Invention

The invention aims to provide a volleyball net fixing frame for a volleyball court, which is used for solving the problems in the prior art.

In order to achieve the purpose, the invention provides the following scheme: the invention provides a volleyball net fixing frame for a volleyball court, which comprises a bottom plate, wherein four corners of the lower end surface of the bottom plate are respectively fixed with one end of a supporting column, the other end of the supporting column is fixed with a universal wheel, and an adjusting device is sleeved on the supporting column;

the adjusting device comprises an adjusting ring and a mounting ring which are sequentially sleeved on the supporting column from top to bottom, and a plurality of supporting legs are circumferentially fixed on the mounting ring;

an installation box is fixed on the top surface of the bottom plate, a vertical pipe is fixed on the top surface of the installation box, an adjusting rod is connected between any two opposite side surfaces in the installation box in a shaft mode, and a driving bevel gear is fixed on the adjusting rod;

the inner cavity of the vertical pipe is connected with a screw rod in a shaft mode, the bottom end of the screw rod extends into the installation box, and a driven bevel gear is fixed at the bottom end of the screw rod; the driven bevel gear is meshed with the driving bevel gear;

the side wall of the vertical pipe is provided with a sliding chute in the vertical direction;

the screw rod is in threaded connection with two sliding blocks which move in opposite directions, a hook is fixed on the side face, facing the sliding groove, of each sliding block, and the hook is matched with the sliding groove and extends out of the sliding groove.

Preferably, the adjusting ring is in threaded connection with the supporting column, the mounting ring is in sliding connection with the supporting column, and the mounting ring is in rotational connection with the adjusting ring.

Preferably, a plurality of adjusting handles are fixed on the periphery of the adjusting ring.

Preferably, the height of the supporting foot is greater than the height of the universal wheel.

Preferably, one end of the adjusting rod extends out of the mounting box and is fixed with a hand wheel.

Preferably, a plurality of reinforcing ribs are arranged between the installation box and the vertical pipe, one ends of the reinforcing ribs are fixedly connected with the top surface of the installation box, the other ends of the reinforcing ribs are fixedly connected with the outer wall of the vertical pipe, and the reinforcing ribs are obliquely arranged.

Preferably, the distance between the two hooks is the same as the height of the volleyball net, and the length of the sliding groove is larger than the distance between the two hooks.

Preferably, the hook comprises a hook handle, one end of the hook handle is fixedly connected with the outer wall of the sliding block, the other end of the hook handle is connected with a hook body in a shaft mode, a rotating shaft is arranged between the hook handle and the hook body, and the rotating shaft is located in the sliding groove and perpendicular to the sliding groove.

Preferably, the top end of the vertical pipe is provided with a rain-proof cap.

The invention discloses the following technical effects: compared with the prior art, the volleyball net fixing frame for the volleyball court provided by the invention has the following beneficial effects:

the volleyball net fixing frame for the volleyball court is provided with the universal wheels and the adjusting device, and the universal wheels are fixedly arranged at the bottom of the bottom plate, so that the volleyball net fixing frame can be moved to be randomly placed on an empty ground for use without being limited by the ground; adjusting device includes adjustable ring, collar and supporting legs, is fixed with adjustment handle on the adjustable ring, can change adjusting device's position, will support the foot and move down and exceed the universal wheel to support this volleyball net mount, reach and place stable purpose, be applicable to various places, application scope is wide, is convenient for remove, makes things convenient for people to carry out the physical training, can remove at will after finishing using, has saved the sports activity place.

This volleyball net mount for volleyball court, adjust the height of volleyball net through setting up the slider of threaded connection on the screw rod and adjusting the pole, utilize and rotate the hand wheel and drive the drive bevel gear and rotate, and then rotate the screw rod through the driven bevel gear with drive bevel gear meshing, slider on the screw rod is along screw rod up-and-down motion, reach the purpose of adjusting from top to bottom to this volleyball net mount, make this volleyball net mount can adapt to the crowd at different ages and different heights, the suitability of this volleyball net mount has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.

FIG. 1 is a front view of a volleyball net fixing frame for a volleyball court in accordance with the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged view of a portion B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion C of FIG. 2 according to the present invention;

FIG. 5 is a schematic structural diagram of a base plate according to embodiment 2 of the present invention;

FIG. 6 is a schematic structural view of a turning shaft in embodiment 2 of the present invention;

wherein, 1 is a bottom plate; 2 is a support column; 3 is a universal wheel; 4, an installation box; 5 is a vertical pipe; 6 is an adjusting rod; 7 driving bevel gears; 8 is a screw rod; 9 is a driven bevel gear; 10 is a chute; 11 is a slide block; 12 is a hook; 121 is a hook handle; 122 is a hook body; 123 is a rotating shaft; 13 is an adjusting ring; 14 mounting a ring; 15 are supporting feet; 16 is a hand wheel; 17 is a reinforcing rib; 18 is a rain hat, and 19 is an adjusting handle; 20 is a turnover plate; 21 is a hydraulic push rod; 22 is a fixing plate; 23 is a turnover lug; 24 is a rotating lug; 25 is a turning shaft; 26 is a fixing lug; 251 is a shaft sleeve; 252 is a fixed shaft sleeve; 253 is a threaded inner shaft; 254 is a butterfly nut; and 255, a flexible gasket.

Detailed Description

Example 1

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-4, the invention provides a volleyball net fixing frame for a volleyball court, which comprises a bottom plate 1, wherein four corners of the lower end surface of the bottom plate 1 are respectively fixed with one end of a supporting column 2, the other end of the supporting column 2 is fixed with a universal wheel 3, an adjusting device is sleeved on the supporting column 2, the adjusting device comprises an adjusting ring 13 and a mounting ring 14 which are sequentially sleeved on the supporting column 2 from top to bottom, and a plurality of supporting legs 15 are circumferentially fixed on the mounting ring 14; when the device is used, the device plays a supporting role to prevent the device from sliding or overturning;

a mounting box 4 is fixed on the top surface of the bottom plate 1, a vertical pipe 5 is fixed on the top surface of the mounting box 4, an adjusting rod 6 is connected between any two opposite side surfaces in the mounting box 4 in a shaft mode, and a driving bevel gear 7 is fixed on the adjusting rod 6; the inner cavity of the vertical pipe 5 is coupled with a screw rod 8, the bottom end of the screw rod 8 extends into the installation box 4, and a driven bevel gear 9 is fixed at the bottom end of the screw rod 8; the driven bevel gear 9 is meshed with the driving bevel gear 7; the driving bevel gear 7 on the adjusting rod 6 can drive the driven bevel gear 9 to rotate, and further drive the screw 8 to rotate in the cavity of the vertical pipe 5;

the side wall of the stand pipe 5 is provided with a sliding groove 10 in the up-down direction; the screw 8 is connected with two sliders 11 moving in opposite directions in a threaded manner, a hook 12 is fixed on the side face, facing the sliding groove 10, of each slider 11, the hook 12 is matched with the sliding groove 10 and extends out of the sliding groove 10, the two sliders 11 can move in the same direction due to rotation of the screw 8, the sliding groove 10 serves as a moving channel of the hook 12, and the hook 12 is used for hooking volleyball nets to be used in volleyball movement.

Further optimization scheme, adjustable ring 13 and support column 2 threaded connection, collar 14 and support column 2 sliding connection, collar 14 rotates with adjustable ring 13 to be connected, a plurality of adjustment handles 19 are fixed with around adjustable ring 13, rotate collar 13 through adjustment handles 19, collar 13 passes through the screw thread and moves on support column 2, drive collar 14 and the supporting legs 15 on collar 14 and the motion, thereby fall or pack up, make universal wheel 3 propped up or land, can promote this device motion when universal wheel 3 lands.

Further optimize the scheme, the height of supporting legs 15 is greater than the height of universal wheel 3, guarantees that supporting legs 15 can prop up universal wheel 3, makes universal wheel 3 liftoff.

According to the further optimized scheme, one end of the adjusting rod 6 extends out of the mounting box 4 and is fixed with the hand wheel 16, so that the adjusting rod 6 can be conveniently rotated, and the height of the sliding block 11 can be adjusted.

Further optimize the scheme, be equipped with a plurality of strengthening ribs 17 between installation case 4 and the riser 5, the one end of strengthening rib 17 and the top surface rigid coupling of installation case 4, the other end of strengthening rib 17 and the outer wall rigid coupling of riser 5, strengthening rib 17 slant setting for strengthen the joint strength between installation case 4 and the riser 5, prevent to snap riser 5 during the use.

Further optimize the scheme, the distance between two couples 12 is the same with volleyball net's height, conveniently hangs volleyball net, and the length of spout 10 is greater than the distance between two couples 12, makes couple 12 have the scope of up-and-down motion, and spout 11 marks the scale, conveniently to the high location of couple 12 to accurate volleyball net height of adjusting needs.

According to a further optimized scheme, the hook 12 comprises a hook handle 121, one end of the hook handle 121 is fixedly connected with the outer wall of the sliding block 11, the other end of the hook handle 121 is connected with a hook body 122 in a shaft mode, a rotating shaft 123 is arranged between the hook handle 121 and the hook body 122, the rotating shaft 123 is located in the sliding groove 10 and is perpendicular to the sliding groove 10, and the hook 12 can be folded when not used, so that other objects can be prevented from being hooked.

Further optimize the scheme, the top of riser 5 is equipped with rain-proof cap 18, prevents that the rainwater from pouring into in riser 5 from spout 10, causes the device to rust the corruption.

The using method comprises the following steps: when the device is used, the position of the adjusting device is checked firstly, the lower end of the supporting leg 15 is higher than the bottom surface of the universal wheel 3, the brake device of the universal wheel 3 is in an opening state, then the device is moved to a selected position, the brake device of the universal wheel 3 is stepped by the foot, and the device is ensured not to move; then the adjusting handle 19 is rotated to drive the adjusting ring 13 to rotate and move downwards on the supporting column 2, the supporting legs 15 fixed on the mounting ring 14 are driven by the adjusting ring 13 to move downwards together until the lower ends of the supporting legs 15 move to the positions lower than the universal wheels 3, and the bottom plate 1 is supported; sequentially repeating the steps to adjust the adjusting device, checking whether the bottom plate 1 is horizontal, and if not, finely adjusting the adjusting device again until the bottom plate 1 is horizontal; the hook 12 is unfolded and the volleyball net is hung on the hook 12, then the hand wheel 16 is rotated, the adjusting rod 6 drives the driving bevel gear 7 to rotate, the driving bevel gear 7 drives the screw rod 8 to rotate through the driven bevel gear 9 meshed with the driving bevel gear, the screw rod 8 rotates to enable the sliding block 11 in threaded connection with the screw rod 8 to move up and down, the hook 12 fixed on the sliding block 11 drives the volleyball net to move up and down, and the scale on the vertical pipe 5 is observed until the volleyball net rises to the required height.

After the movement is finished, the hand wheel 16 is rotated reversely, so that the slider 11 drives the hook 12 to descend, then the volleyball net is taken down, the hook body 122 part of the hook 12 is folded up and retracted into the chute 10, and the hook is prevented from being hung on other people or objects when not in use; the adjusting ring 13 is reversed through the adjusting handle 19, the supporting legs 15 are driven to rise through the mounting ring 14 until the lower ends of the supporting legs 15 are higher than the bottom surface of the universal wheel 3, the brake of the universal wheel 3 is released, and then the device is moved to a storage position.

Example 2

Referring to fig. 5, the present embodiment is different from the above embodiment 1 in that the present embodiment includes a flipping support device, the flipping support device includes a flipping board 20, a plurality of rotating lugs 24 are fixed on a side surface of the flipping board 20 close to the bottom board 1, fixing lugs 26 equal to the number of the rotating lugs 24 are fixed on a side wall of the bottom board 1 facing the flipping board 20, the rotating lugs 24 and the fixing lugs 26 are rotatably connected by using a flipping shaft 25, the flipping shaft 25 includes a shaft sleeve 251, the shaft sleeve 251 is respectively rotatably connected with the rotating lugs 24 and the fixing lugs 26, the shaft sleeve 251 is rotatably and slidably connected with a threaded inner shaft 253, two fixing shaft sleeves 252 arranged oppositely are screwed on the threaded inner shaft 253, the two fixing shaft sleeves 252 are respectively located at two ends of the shaft sleeve 251, flexible gaskets 255 are fixed on surfaces of the fixing shaft sleeves 252 respectively contacting with the fixing lugs 26 and the rotating lugs 24, and a butterfly nut 254; the bottom surface of one end of the turning plate 20 far away from the bottom plate 1 is fixedly provided with a turning lug 23, the bottom turning lug 23 is rotatably connected with a movable end of a hydraulic push rod 21, a fixed end of the hydraulic push rod 21 is rotatably connected with a fixed plate 22, the fixed plate 22 is fixed on the bottom surface of the bottom plate 1, and the lower end surface of the fixed plate 1 exceeds the bottom surface of the universal wheel 3.

When in use, on the basis that the bottom plate is firmly and horizontally supported in the embodiment 1, the butterfly nut 254 is loosened, the fixing shaft sleeve 252 clamping the fixing lug 26 and the rotating lug 24 is loosened, the hydraulic push rod 21 is adjusted, the movable end of the hydraulic push rod 21 is contracted, the overturning lug 23 is pulled, under the action of the hydraulic push rod 21, the turnover plate 20 rotates around the turnover shaft 25 until one end of the turnover plate 20 far away from the bottom plate 1 is vertical to the bottom surface and contacts with the ground, the wing nuts 254 are then tightened to tighten the distance between the fixed hubs 252, causing the two fixed hubs 252 to clamp the rotary ears 24 and the fixed ears 26, the flexible spacers 255 are supported between the fixed hubs 252 and the rotary ears 24 and between the fixed hubs 252 and the fixed ears 26, preventing relative rotation between the fixed ears 26 and the rotary ears 24, thereby playing a supporting role to the device and preventing the device from turning over inwards due to the tension of the volleyball net.

After the movement, the wing nut 254 is loosened to loosen the fixed shaft sleeve 252 clamping the fixed lug 26 and the rotating lug 24, the hydraulic push rod 21 is reversely adjusted to stretch the movable end of the hydraulic push rod 21 to push the roll-over plate 20 to return to the original position, then the wing nut 254 is tightened again to clamp and fasten the fixed lug 26 and the rotating lug 24 to prevent the roll-over plate 20 from moving, the subsequent steps are the same as those in embodiment 1, and the description is omitted again.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a volleyball net mount for volleyball court which characterized in that: the device comprises a bottom plate (1), wherein one end of a supporting column (2) is fixed at four corners of the lower end face of the bottom plate (1), a universal wheel (3) is fixed at the other end of the supporting column (2), and an adjusting device is sleeved on the supporting column (2);

the adjusting device comprises an adjusting ring (13) and a mounting ring (14) which are sequentially sleeved on the supporting column (2) from top to bottom, and a plurality of supporting legs (15) are fixed on the mounting ring (14) in the circumferential direction;

an installation box (4) is fixed on the top surface of the bottom plate (1), a vertical pipe (5) is fixed on the top surface of the installation box (4), an adjusting rod (6) is connected between any two opposite side surfaces in the installation box (4) in a shaft mode, and a driving bevel gear (7) is fixed on the adjusting rod (6);

a screw rod (8) is connected to the inner cavity of the vertical pipe (5) in a shaft mode, the bottom end of the screw rod (8) extends into the installation box (4), and a driven bevel gear (9) is fixed to the bottom end of the screw rod (8); the driven bevel gear (9) is meshed with the driving bevel gear (7);

the side wall of the vertical pipe (5) is provided with a sliding groove (10) in the vertical direction;

threaded connection has two slider (11) of opposite movement on screw rod (8), slider (11) orientation the side of spout (10) is fixed with couple (12), couple (12) with spout (10) looks adaptation and stretch out spout (10).

2. A volleyball net mount for a volleyball court according to claim 1, wherein: adjusting ring (13) with support column (2) threaded connection, collar (14) with support column (2) sliding connection, collar (14) with adjusting ring (13) rotate to be connected.

3. A volleyball net mount for a volleyball court according to claim 2, wherein: a plurality of adjusting handles (19) are fixed around the adjusting ring (13).

4. A volleyball net mount for a volleyball court according to claim 3, wherein: the height of the supporting leg (15) is greater than that of the universal wheel (3).

5. A volleyball net mount for a volleyball court according to claim 1, wherein: one end of the adjusting rod (6) extends out of the mounting box (4) and is fixed with a hand wheel (16).

6. A volleyball net mount for a volleyball court according to claim 1, wherein: install bin (4) with be equipped with a plurality of strengthening ribs (17) between riser (5), the one end of strengthening rib (17) with the top surface rigid coupling of install bin (4), the other end of strengthening rib (17) with the outer wall rigid coupling of riser (5), strengthening rib (17) slant setting.

7. A volleyball net mount for a volleyball court according to claim 1, wherein: the distance between the two hooks (12) is the same as the height of a volleyball net, and the length of the sliding groove (10) is greater than the distance between the two hooks (12).

8. A volleyball net mount for a volleyball court according to claim 1, wherein: the hook (12) comprises a hook handle (121), one end of the hook handle (121) is fixedly connected with the outer wall of the sliding block (11), the other end of the hook handle (121) is connected with a hook body (122) in a shaft mode, a rotating shaft (123) is arranged between the hook handle (121) and the hook body (122), and the rotating shaft (123) is located in the sliding groove (10) and is perpendicular to the sliding groove (10).

9. A volleyball net mount for a volleyball court according to claim 1, wherein: the top end of the vertical pipe (5) is provided with a rain-proof cap (18).