阅读说明：本技术 排球用可调式固定网架及其使用方法 (Adjustable fixed net rack for volleyball and use method thereof ) 是由 支俊才 张瑞洁 于 2021-01-27 设计创作，主要内容包括：本发明公开了一种排球用可调式固定网架及其使用方法,网架包括：立柱；球网,其包括主网、支撑杆和轴盒；轴盒内设置有尺簧；轴盒以可沿立柱内的滑轨滑动的方式嵌入任一立柱内的滑轨内；两根支撑杆中的任一根固定连接于尺簧；另一根支撑杆以可拆卸并可沿滑轨滑动的方式嵌入另一立柱内的滑轨内；主网的两端分别连接两根支撑杆；主网在无外力作用时受尺簧的作用力缠绕在轴盒内,并在外力的拉伸作用下形成延展在两根立柱间的网体；底座,其包括外底座；外底座包括主座体和支撑座；支撑座为折角型支撑腿。其拆装方便,更加便于移动和运输,同时适用于排球和网球运动,适用更加灵活,适用性更广。(The invention discloses an adjustable fixed net rack for volleyball and a use method thereof, wherein the net rack comprises: a column; a net including a main net, a support stick and a shaft box; a ruler spring is arranged in the shaft box; the shaft box is embedded into a slide rail in any upright post in a mode of sliding along the slide rail in the upright post; any one of the two support rods is fixedly connected with the ruler spring; the other supporting rod is embedded into the slide rail in the other upright post in a detachable way and can slide along the slide rail; two ends of the main network are respectively connected with two supporting rods; the main network is wound in the shaft box under the action of the ruler spring when no external force acts, and forms a network body extending between the two upright posts under the stretching action of the external force; a base comprising an outer base; the outer base comprises a main base body and a supporting base; the supporting seat is an angle type supporting leg. The volleyball and tennis sports box is convenient to disassemble and assemble, more convenient to move and transport, more flexible in application and wider in applicability, and is suitable for volleyball and tennis sports.)

1. The utility model provides a fixed rack with adjustable volleyball is used which characterized in that includes:

the number of the upright columns is two, and the upright columns are all hollow with first cavities; openings penetrating to the first cavity are respectively formed in the middle upper parts and opposite sides of the two upright columns; a slide rail is arranged on the side wall of the first cavity far away from the opening along the axial direction of the upright post;

a net including a main net, a support stick and a shaft box; a ruler spring is arranged in the shaft box; the shaft box is embedded into a slide rail in any upright post in a manner of sliding along the slide rail; any one of the two supporting rods is fixedly connected to the ruler spring; the other supporting rod is detachably embedded into the slide rail in the other upright post in a manner of sliding along the slide rail; two ends of the main net are respectively connected with the two supporting rods; the main net is wound in the shaft box under the action of the scale spring when no external force acts, and forms a net body extending between the two upright posts under the stretching action of the external force; the main net is formed by arranging transverse net wires and longitudinal net wires in a transverse and longitudinal staggered mode; the transverse net twine is provided with a first gap along the axial extension direction; the support rod is provided with a second notch along the axial direction; an additional net line is arranged in the first notch, two ends of the additional net line are respectively connected with an auxiliary supporting rod embedded into the second notch in a sliding mode along the second notch, the additional net line is located in the first notch when the auxiliary supporting rod is at an initial position, and the additional net line slides out of the first notch when the auxiliary supporting rod is at a working position, so that an auxiliary net overlapped with the main net is formed;

a base comprising an outer base; the outer base is sleeved on the upright post, and the bottom end of the outer base is flush with the bottom end of the upright post; the outer base comprises a main base body and a supporting base; the main seat body is sleeved on the upright post, and the supporting seat is an angle-folded supporting leg which is formed by connecting the end parts of the first plate body and the second plate body and has an included angle of 120-150 degrees; the number of the supporting legs is at least two; the supporting legs are uniformly arranged around the main seat body and are hinged with the side wall of the main seat body in a foldable manner; when the supporting legs are in the initial positions, the first plate body is attached to the upper half part of the side wall of the main seat body, and the second plate body is positioned above the main seat body; when the supporting legs are in working positions, the first plate body is attached to the lower half portion of the side wall of the main seat body, the second plate body is located on the side of the main seat body, and the downward surface of the second plate body is flush with the bottom surface of the main seat body.

2. The adjustable fixed net rack for volleyball as claimed in claim 1, wherein the lower part of the upright post is provided with a second cavity penetrating to the bottom end of the upright post; a driving motor is arranged in the second cavity; the base further comprises an inner base; the inner base comprises an anchor rod and a fixing plate; the top end of the anchor rod is fixedly connected with an output shaft of the driving motor; the bottom end of the anchor rod is arranged to be a pointed end, and the fixing plates are hinged with the side wall, close to the bottom end, of the anchor rod in a turnover mode; the inner base is positioned in the second cavity when in the initial position, and the end part of the fixing plate, which is far away from the anchor rod, extends obliquely upwards; when the inner base is at the working position, the anchor rod extends to the outside of the upright column from the bottom end of the upright column, and when the anchor rod reaches the maximum extending position, the fixing plate is turned to the end part far away from the anchor rod and extends towards the direction vertical to the side wall of the upright column.

3. The adjustable fixed net rack for volleyball as claimed in claim 2, wherein the fixed plate is a hollow structure having openings on both side walls; two auxiliary plates are symmetrically arranged inside the fixed plate; and after the fixing plate is turned to the end part far away from the anchor rod and extends in the direction vertical to the side wall of the upright column, the two auxiliary plates extend from the openings of the two side walls of the fixing plate to the outside of the fixing plate.

4. The adjustable fixed net rack for volleyballs as claimed in claim 3, wherein the upright posts are provided with through holes, and the through holes are connected to the anchor rods through pipelines.

5. The adjustable fixed net rack for volleyball according to claim 1, wherein an electromagnet is provided at a position corresponding to the second plate on the lower half portion of the side wall of the main seat, a touch switch is provided on the edge of the top surface of the main seat, the electromagnet is connected to the touch switch, and the electromagnet is energized when the touch switch is turned off, and is de-energized when the touch switch is turned on.

6. The adjustable fixed net mount for volleyballs as claimed in claim 2, wherein the pillars include upper and lower pillars; the first cavity is arranged on the upper upright post; the second cavity is arranged on the lower upright post; the upper upright post and the lower upright post are mutually connected to form an integral upright post; the upper part of the lower upright post is provided with a hole which is communicated with an interlayer between the inner wall of the lower upright post and the outer wall of the second cavity; the lower part of the lower upright post is provided with a flow guide hole which penetrates through the interlayer.

7. The use method of the adjustable fixed net rack for volleyball as claimed in claim 4, wherein the use of the net rack is divided into two environments of common ground and sand;

when the device is used on the common ground, the device comprises the following steps:

s1-1, after the two upright posts are symmetrically arranged on the ground, sleeving the outer bottom seat on the upright posts;

s1-2, pulling out the main net from the shaft box and connecting the main net with the slide rail of the other upright post;

s1-3, adjusting the height of the main net according to the standard height of the main net marked on the slide rail or the individual need;

when used in sand, the method comprises the following steps:

s2-1, after the two upright posts are symmetrically arranged on the ground, sleeving the outer bottom seat on the upright posts;

s2-2, controlling the driving motor to drive the anchor rod to extend downwards, and turning the fixing plate in a direction vertical to the side wall of the upright post;

s2-3, controlling the subplates to extend to the two sides of the fixed plate;

s2-4, pouring a certain amount of water into the anchor rod through the through hole;

s2-5, pulling out the main net from the shaft box and connecting the main net with the slide rail of the other upright post;

and S2-6, adjusting the height of the main net according to the standard height of the main net marked on the sliding rail or the individual needs.

Technical Field

The invention relates to the technical field of sports equipment, in particular to an adjustable fixed net rack for volleyballs and a using method thereof.

Background

Volleyball (volleyball) is one of ball sports, and the court is rectangle, and the centre is separated and is had high net, and the match both sides (six people in each side) respectively account for one side in the court, and the sportsman is played from the net sky with the hand (hold) ball, and the ball that volleyball used uses is made the shell with sheepskin or synthetic leather, and the courage is made to rubber, and the size is similar with the football. The equipment is simple and comprises a volleyball net rack and a net. In order to satisfy the tension of volleyball net, current volleyball net frame need be fixed through counter weight or take root when the equipment usually, consequently make volleyball equipment more troublesome when removing and transporting, and simultaneously, volleyball and tennis are except that used ball is different, also all need ball frame and net, only the net size of ball frame size and net has the difference, therefore, if can design a convenient equipment and carry, and can be applicable to the ball frame of tennis or volleyball simultaneously, then can make the use of fixed net frame more nimble and extensive, improve the practicality of rack.

Disclosure of Invention

An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.

Still another object of the present invention is to provide an adjustable fixed net rack for volleyball, which is easy to assemble and disassemble, more convenient to move and transport, and suitable for volleyball and tennis sports, with more flexibility and wider applicability.

To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided an adjustable fixed net mount for volleyball, including:

the number of the upright columns is two, and the upright columns are all hollow with first cavities; openings penetrating to the first cavity are respectively formed in the middle upper parts and opposite sides of the two upright columns; a slide rail is arranged on the side wall of the first cavity far away from the opening along the axial direction of the upright post;

a net including a main net, a support stick and a shaft box; a ruler spring is arranged in the shaft box; the shaft box is embedded into a slide rail in any upright post in a manner of sliding along the slide rail; any one of the two supporting rods is fixedly connected to the ruler spring; the other supporting rod is detachably embedded into the slide rail in the other upright post in a manner of sliding along the slide rail; two ends of the main net are respectively connected with the two supporting rods; the main net is wound in the shaft box under the action of the scale spring when no external force acts, and forms a net body extending between the two upright posts under the stretching action of the external force; the main net is formed by arranging transverse net wires and longitudinal net wires in a transverse and longitudinal staggered mode; the transverse net twine is provided with a first gap along the axial extension direction; the support rod is provided with a second notch along the axial direction; an additional net line is arranged in the first notch, two ends of the additional net line are respectively connected with an auxiliary supporting rod embedded into the second notch in a sliding mode along the second notch, the additional net line is located in the first notch when the auxiliary supporting rod is at an initial position, and the additional net line slides out of the first notch when the auxiliary supporting rod is at a working position, so that an auxiliary net overlapped with the main net is formed;

a base comprising an outer base; the outer base is sleeved on the upright post, and the bottom end of the outer base is flush with the bottom end of the upright post; the outer base comprises a main base body and a supporting base; the main seat body is sleeved on the upright post, and the supporting seat is an angle-folded supporting leg which is formed by connecting the end parts of the first plate body and the second plate body and has an included angle of 120-150 degrees; the number of the supporting legs is at least two; the supporting legs are uniformly arranged around the main seat body and are hinged with the side wall of the main seat body in a foldable manner; when the supporting legs are in the initial positions, the first plate body is attached to the upper half part of the side wall of the main seat body, and the second plate body is positioned above the main seat body; when the supporting legs are in working positions, the first plate body is attached to the lower half portion of the side wall of the main seat body, the second plate body is located on the side of the main seat body, and the downward surface of the second plate body is flush with the bottom surface of the main seat body.

Preferably, in the adjustable fixed net rack for volleyball, a second cavity penetrating to the bottom end of the upright is formed at the lower part of the upright; a driving motor is arranged in the second cavity; the base further comprises an inner base; the inner base comprises an anchor rod and a fixing plate; the top end of the anchor rod is fixedly connected with an output shaft of the driving motor; the bottom end of the anchor rod is arranged to be a pointed end, and the fixing plates are hinged with the side wall, close to the bottom end, of the anchor rod in a turnover mode; the inner base is positioned in the second cavity when in the initial position, and the end part of the fixing plate, which is far away from the anchor rod, extends obliquely upwards; when the inner base is at the working position, the anchor rod extends to the outside of the upright column from the bottom end of the upright column, and when the anchor rod reaches the maximum extending position, the fixing plate is turned to the end part far away from the anchor rod and extends towards the direction vertical to the side wall of the upright column.

Preferably, in the adjustable fixed net rack for volleyball, the fixed plate is a hollow structure with openings on the side walls of the two side walls; two auxiliary plates are symmetrically arranged inside the fixed plate; and after the fixing plate is turned to the end part far away from the anchor rod and extends in the direction vertical to the side wall of the upright column, the two auxiliary plates extend from the openings of the two side walls of the fixing plate to the outside of the fixing plate.

Preferably, in the adjustable fixed net rack for volleyball, a through hole is formed in the upright post, and the through hole is connected to the anchor rod through a pipeline.

Preferably, the fixed rack with adjustable volleyball be used in, the lower half of main base body lateral wall with be provided with the electro-magnet on the position that the second plate body corresponds, the top surface edge of main base body is provided with touch switch, the electro-magnet with touch switch connects to make when touch switch breaks off the electro-magnet circular telegram, and makes when touch switch closes the electro-magnet outage.

Preferably, in the adjustable fixed net rack for volleyball, the upright column comprises an upper upright column and a lower upright column; the first cavity is arranged on the upper upright post; the second cavity is arranged on the lower upright post; the upper upright post and the lower upright post are mutually connected to form an integral upright post; the upper part of the lower upright post is provided with a hole which is communicated with an interlayer between the inner wall of the lower upright post and the outer wall of the second cavity; the lower part of the lower upright post is provided with a flow guide hole which penetrates through the interlayer.

An adjustable fixed net rack for volleyball is used in two environments, namely, common ground and sand;

when the device is used on the common ground, the device comprises the following steps:

s1-1, after the two upright posts are symmetrically arranged on the ground, sleeving the outer bottom seat on the upright posts;

s1-2, pulling out the main net from the shaft box and connecting the main net with the slide rail of the other upright post;

s1-3, adjusting the height of the main net according to the standard height of the main net marked on the slide rail or the individual need;

when used in sand, the method comprises the following steps:

s2-1, after the two upright posts are symmetrically arranged on the ground, sleeving the outer bottom seat on the upright posts;

s2-2, controlling the driving motor to drive the anchor rod to extend downwards, and turning the fixing plate in a direction vertical to the side wall of the upright post;

s2-3, controlling the subplates to extend to the two sides of the fixed plate;

s2-4, pouring a certain amount of water into the anchor rod through the through hole;

s2-5, pulling out the main net from the shaft box and connecting the main net with the slide rail of the other upright post;

and S2-6, adjusting the height of the main net according to the standard height of the main net marked on the sliding rail or the individual needs.

The invention at least comprises the following beneficial effects:

according to the adjustable fixed net rack for volleyball, the net is composed of the main net, the supporting rod and the shaft box, so that the fixed net rack is not used, the main net can be automatically stored in the shaft box, the main net only needs to be drawn out of the shaft box when in use, and then the supporting rod is connected with the stand column, the adjustable fixed net rack is convenient to use and store, the main net can be automatically stored when no external force is applied due to the arrangement of the ruler spring in the shaft box, storage box arrangement is further facilitated, the size of the main net can be automatically adjusted according to the area of a non-standard field, and tennis sport development is further facilitated.

Through set up first opening on the horizontal net twine of constituteing the major network to set up additional net twine in first opening, make additional net twine can carry out nimble setting with outer in the horizontal net twine, and then when using this fixed rack to carry out motions such as tennis, badminton, can be through the pull-out in the additional net twine by the horizontal net twine, make vice net and major network stack, the net reduces, is convenient for developing of motions such as tennis, badminton.

Can slide along the slide rail on the stand through setting up bracing piece and axle box for the height of net can carry out nimble adjustment as required, improves the flexibility that fixed rack used.

Can dismantle the setting through setting up outer base and stand, further make things convenient for the transportation and the use of fixed rack with adjustable, simultaneously, through the installation of outer base on the stand, be equivalent to having increased the counter weight, improved the steadiness of stand, and set up outer base into to constitute by main pedestal and supporting seat for can further improve after the supporting seat turns over a firm nature of fixed rack.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

FIG. 1 is a structural view illustrating an adjustable fixed net rack for volleyball according to the present invention applied to a general ground environment;

FIG. 2 is a structural view of an adjustable fixed net rack for volleyball according to the present invention applied to a sand environment;

fig. 3 is a flow chart of a using method of the adjustable fixed net rack for volleyball according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 1 and 2, the present invention provides an adjustable fixed net frame for volleyball, including:

the device comprises two upright columns 1, wherein the upright columns 1 are all hollow with first cavities 2; openings penetrating to the first cavity 2 are respectively formed in the middle upper parts and opposite sides of the two upright posts 1; along the axial direction of the upright post 1, a slide rail 3 is arranged on the side wall of the first cavity 2 far away from the opening;

a net including a main net 4, a support stick 5 and a shaft case 6; a ruler spring is arranged in the shaft box 6; the shaft box 6 is embedded into the slide rail 3 in any upright post 1 in a manner of sliding along the slide rail 3; any one of the two support rods 5 is fixedly connected with the ruler spring; the other supporting rod 5 is detachably embedded into the slide rail 3 in the other upright post 1 in a manner of sliding along the slide rail 3; two ends of the main net 4 are respectively connected with the two support rods 5; the main net 4 is wound in the shaft box 6 under the action of the rule spring when no external force acts, and forms a net body extending between the two upright posts 1 under the stretching action of the external force; the main net 4 is formed by arranging transverse net wires 7 and longitudinal net wires 8 in a transverse and longitudinal staggered mode; the transverse net twine 7 is provided with a first gap along the axial extension direction; the support rod 5 is provided with a second notch along the axial direction; an additional net wire 9 is arranged in the first notch, two ends of the additional net wire 9 are respectively connected with an auxiliary supporting rod embedded into the second notch in a sliding manner along the second notch, when the auxiliary supporting rod is at an initial position, the additional net wire 9 is positioned in the first notch, and when the auxiliary supporting rod is at a working position, the additional net wire 9 slides out of the first notch to form an auxiliary net overlapped with the main net 4;

a base comprising an outer base; the outer base is sleeved on the upright post 1, and the bottom end of the outer base is flush with the bottom end of the upright post 1; the outer base comprises a main base body 10 and a supporting base 11; the main seat body 10 is sleeved on the upright post 1, and the support seat 11 is an angle-folded support leg which is formed by connecting the end parts of the first plate body and the second plate body and has an included angle of 120-150 degrees; the number of the supporting legs is at least two; the supporting legs are uniformly arranged around the main seat body 10 and are hinged with the side wall of the main seat body 10 in a foldable manner; when the supporting legs are in the initial positions, the first plate body is attached to the upper half part of the side wall of the main seat body, and the second plate body is positioned above the main seat body 10; when the support legs are in working positions, the first plate body is attached to the lower half part of the side wall of the main seat body 10, the second plate body is located on the side of the main seat body 10, and the downward surface of the second plate body is flush with the bottom surface of the main seat body 10.

In the above scheme, constitute by major network, bracing piece and axle box through setting up the net, make fixed network makes in not using, and the major network can be accomodate in the axle box automatically, and only need take out in the axle box when using, then be connected with the stand through the bracing piece can, high durability and convenient use, and be convenient for accomodate, through the setting of chi spring in the axle box, make the major network can be when no exogenic action, automatic accomodating, and then the receiver of being convenient for is arrange in order more, and to the non-standard place, can be according to the size of area automatic adjustment major network, and then be convenient for developing of tennis.

Through set up first opening on the horizontal net twine of constituteing the major network to set up additional net twine in first opening, make additional net twine can carry out nimble setting with outer in the horizontal net twine, and then when using this fixed rack to carry out motions such as tennis, badminton, can be through the pull-out in the additional net twine by the horizontal net twine, make vice net and major network stack, the net reduces, is convenient for developing of motions such as tennis, badminton.

Can slide along the slide rail on the stand through setting up bracing piece and axle box for the height of net can carry out nimble adjustment as required, improves the flexibility that fixed rack used.

Can dismantle the setting through setting up outer base and stand, further make things convenient for the transportation and the use of fixed rack with adjustable, simultaneously, through the installation of outer base on the stand, be equivalent to having increased the counter weight, improved the steadiness of stand, and set up outer base into to constitute by main pedestal and supporting seat for can further improve after the supporting seat turns over a firm nature of fixed rack.

In a preferable scheme, the lower part of the upright post 1 is provided with a second cavity 12 penetrating to the bottom end of the upright post 1; a driving motor 13 is arranged in the second cavity 12; the base further comprises an inner base; the inner base comprises anchor rods 14 and a fixing plate 15; the top end of the anchor rod 14 is fixedly connected with an output shaft of the driving motor 13; the bottom end of the anchor rod 14 is set to be a tip end, and a plurality of fixing plates 15 are hinged with the side wall of the anchor rod 14 close to the bottom end in a turnover mode; the inner base is located in the second cavity 12 in the initial position, and the fixing plate 15 extends obliquely upward away from the end of the anchor rod 14; when the inner base is at a working position, the anchor rod 14 extends from the bottom end of the upright post 1 to the outside of the upright post, and when the inner base reaches a maximum extension position, the fixing plate 15 is turned over to a position far away from the end part of the anchor rod 14 and extends towards the direction vertical to the side wall of the upright post 1.

In the above scheme, through the setting of driving motor and interior base on the stand, make the fixed network frame when being applied to sandy beach volleyball motion, can extend to the sand ground through driving motor drive stock, and the fixed plate extends when the stock extends to the sand ground, and the tip of keeping away from the stock extends to oblique top, and the stock of being convenient for stretches into in the sand ground, and after the stock stretched into the sufficient degree of depth of sand ground, the fixed plate upwards overturns gradually, until perpendicular with the stand lateral wall, makes the fixed plate can improve the power of being connected of stock and sand ground, improves the steadiness when fixed network frame was used as sandy beach volleyball net frame, wherein, driving motor's power supply can be realized through setting up rechargeable battery in the stand or making driving motor external power supply.

In a preferable scheme, the fixing plate 15 is a hollow device with openings on the side walls of the two side walls; two auxiliary plates are symmetrically arranged inside the fixed plate 15; after the fixing plate 15 is turned to the end part far away from the anchor rod 14 and extends towards the direction vertical to the side wall of the upright post 1, the two auxiliary plates extend towards the outside of the fixing plate 15 from the openings of the two side walls of the fixing plate 15.

In the above scheme, through the setting of fixed plate both sides subplate, further improved the area of contact of fixed plate and sand ground, further improved the fastening nature of being connected of stand and sand ground.

In a preferable scheme, a through hole 16 is formed in the upright post 1, and the through hole 16 is connected to the anchor rod 14 through a pipeline.

In the above scheme, through the setting of through-hole on the stand to make the through-hole pass through the tube coupling stock, make after the stand setting is on sand, can let in rivers to the stock through the through-hole, and the fixed plate can turn over with the stock and roll over and be connected, make to have UNICOM to external hole or gap on the stock, thereby make rivers by the stock infiltration stock in the sand ground on every side, and then utilize the increase of sand ground water content, improve the compact type and the fastening nature that sand ground and stock are connected.

In a preferable embodiment, an electromagnet 17 is disposed at a position corresponding to the second board on the lower half portion of the side wall of the main seat 10, a touch switch 18 is disposed at the edge of the top surface of the main seat 10, the electromagnet 17 is connected to the touch switch 18, and the electromagnet 17 is powered on when the touch switch 18 is turned off, and the electromagnet 17 is powered off when the touch switch 18 is turned on.

In the above scheme, through the cooperation of touch switch and electro-magnet for turn over when the supporting leg turns over to get off and ground formation support, touch switch automatic disconnection, the electro-magnet circular telegram can adsorb the supporting leg, makes the supporting leg to the support of outer base more firm, and when needs will fix the rack and demolish or remove, can be through pressing touch switch, makes touch switch closed, and then the electro-magnet outage, the supporting leg of being convenient for turns over to main pedestal on.

In a preferred scheme, the upright column 1 comprises an upper upright column and a lower upright column; the first cavity 2 is arranged on the upper upright post; the second cavity 12 is arranged on the lower upright post; the upper upright post and the lower upright post are mutually connected to form an integral upright post 1; the upper part of the lower upright post is provided with a hole which is communicated with an interlayer between the inner wall of the lower upright post and the outer wall of the second cavity; the lower part of the lower upright post is provided with a flow guide hole 19 which penetrates through the interlayer.

In the above scheme, constitute by last stand and lower stand through setting up the stand, make fixed rack more easily carries and transports, sets up hole and water conservancy diversion hole on the intermediate layer of stand down simultaneously, can be when fixed rack equipment uses, irritate into water or sand and stone etc. in order to increase the dead weight of stand through the hole in the stand down, improve the steadiness of fixed rack, and when needs are demolishd, can pour out water or sand and stone etc. that irritate in the intermediate layer through the water conservancy diversion hole, and then reduce the weight of stand for fixed rack portable and transportation.

As shown in FIG. 3, the use of the adjustable fixed net rack for volleyball is divided into two environments of common ground and sand;

when the device is used on the common ground, the device comprises the following steps:

s1-1, after the two upright posts 1 are symmetrically arranged on the field, the outer bottom seats are sleeved on the upright posts 1;

s1-2, pulling out the main net 5 from the shaft box 6 and connecting with the slide rail 3 of another upright post 1;

s1-3, adjusting the height of the main net 5 according to the standard height of the main net 5 marked on the slide rail 3 or the individual need;

when used in sand, the method comprises the following steps:

s2-1, after the two upright posts 1 are symmetrically arranged on the field, the outer bottom seats are sleeved on the upright posts 1;

s2-2, controlling the driving motor 13 to drive the anchor rod 14 to extend downwards, and turning the fixing plate 15 in a direction vertical to the side wall of the upright post 1;

s2-3, the control subplate extends to two sides of the fixed plate 15;

s2-4, pouring a certain amount of water into the anchor rod 14 through the through hole 16;

s2-5, pulling out the main net 5 from the shaft box 6 and connecting the main net with the slide rail 3 of the other upright post 1;

s2-6, adjusting the height of the main net 5 according to the standard height of the main net 5 marked on the slide rail 3 or the individual needs.

In the above-mentioned scheme, fixed rack with adjustable volleyball is used can be used to ordinary ground environment and sand ground environment, when being applied to ordinary ground environment, can be applicable to the motion use that needs the rack such as tennis, badminton again, specifically is: after the two upright posts are symmetrically arranged on the field according to the required distance of the movement to be carried out, the outer bottom seat is sleeved on the upright posts; then the supporting legs are turned over to be in contact with the ground of the site, the contact stability of the stand columns and the ground is improved, and then the main net is pulled out from the shaft box and is connected with the slide rail of the other stand column; then the height of the main net is adjusted according to the standard height of the main net marked on the slide rail (including the marks of a plurality of standard heights such as a plurality of badminton nets, tennis nets, volleyball nets and the like) or the individual needs, if the main net is applied to badminton, tennis and the like, the additional net line can be pulled out from the main net to reduce the size of the main net, and finally, the sports can be started.

When the method is applied to a sand environment, the method specifically comprises the following steps: firstly, symmetrically arranging two upright posts on the field, and then sleeving the outer base on the upright posts; then controlling a driving motor to drive the anchor rod to extend downwards, and controlling the auxiliary plates to extend towards the two sides of the fixing plate after the fixing plate is turned over in the direction vertical to the side wall of the upright post; and finally, a certain amount of water is poured into the anchor rod through the through hole, so that the water content of sandy soil around the anchor rod is increased, the connection stability of the upright post and the sand is improved, and the beach volleyball movement can be started.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.