Dual-purpose net post for balloon volleyball and badminton

Abstract

The invention discloses an air volleyball and badminton dual-purpose net post which comprises two supporting posts, a fixing table is arranged at the top of each supporting post, a telescopic rod is arranged on each fixing table, a mounting plate is arranged at the top of each telescopic rod, and a net is arranged between the mounting plates of the two supporting posts; a lead screw and a guide rod are vertically arranged between the mounting plate and the fixing table, one ends of the lead screw and the guide rod are fixed to the mounting plate, the other ends of the lead screw and the guide rod penetrate through the fixing table, and a first motor for driving the lead screw is further arranged at the top of the mounting plate and drives the lead screw to rotate to drive the mounting plate to move close to or away from the fixing table. The telescopic rod stretches out or retracts into the supporting column along with the telescopic rod, the lead screw and the guide rod move along with the mounting plate, the supporting column is provided with a plurality of photoelectric switches used for assisting in controlling the first motor to be turned on and turned off, an induction block is arranged at the bottom of the guide rod, and all the photoelectric switches are located on the movement track of the induction block. Compared with the prior art, the height of the ball net can be automatically and accurately adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of sports goods, in particular to a net post for both air volleyball and badminton. Background Art

[0002] With the widespread popularity and continuous development of sports, the number of people participating in various sports activities is increasing. As two popular indoor sports, air volleyball and badminton have increasing requirements for venue facilities. Traditional air volleyball and badminton venues often need to be equipped with independent net post systems, which undoubtedly increases the economic cost of venue construction and maintenance, and also limits the versatility and flexibility of the venue. In order to meet the needs of different sports, a series of net post design solutions designed to be compatible with multiple sports have emerged on the market. However, in the existing multi-purpose net post designs, most still rely on manual height adjustment. Although this method can meet the basic height adjustment needs to a certain extent, its operation process is cumbersome and inefficient, especially in large public stadiums, school gymnasiums and other places with high frequency of use. Frequent manual adjustment will significantly reduce the user experience. In addition, the manual adjustment method lacks accuracy in height positioning, which easily leads to the net height not being able to strictly meet the competition regulations, thereby affecting the standardization and fairness of the competition. Summary of the invention

[0003] In view of the problem that manually adjusting the height of the net in the prior art is time-consuming and labor-intensive and cannot accurately position the height of the net, the present invention provides a net post for both air volleyball and badminton.

[0004] The technical solution of the present invention is to disclose a dual-purpose net post for air volleyball and badminton, comprising two support posts, each of which is provided with a fixing platform on the top, a telescopic rod on the fixing platform, a mounting plate on the top of the telescopic rod, and a net between the mounting plates of the two support posts; A screw rod and a guide rod are vertically arranged between the mounting plate and the fixed platform, one end of the screw rod and the guide rod are fixed to the mounting plate, and the other end passes through the fixed platform. A first motor that drives the screw rod is also arranged on the top of the mounting plate. The first motor drives the screw rod to rotate and drives the mounting plate to move closer to or away from the fixed platform, and the telescopic rod extends or retracts into the support column accordingly. The screw rod and the guide rod move with the mounting plate. A plurality of photoelectric switches for assisting in controlling the opening and closing of the first motor are arranged on the support column. A sensing block is arranged at the bottom of the guide rod, and all of the photoelectric switches are located on the movement trajectory of the sensing block.

[0005] Preferably, a base is provided at the bottom of the support column, a mounting frame is provided at the bottom of the base, the support column is fixed on the mounting frame, and a first supporting foot and a second supporting foot are also provided on the mounting frame, and the first supporting foot and the second supporting foot can be extended out of the base or retracted into the base.

[0006] Preferably, a rotating sleeve and a movable plate are sleeved on the bottom of the support column, the movable plate is located above the rotating sleeve, two guide grooves are arranged around the surface of the rotating sleeve, and a protrusion cooperating with the guide groove is provided on the bottom inner wall of the movable plate; when the screw rod and the guide rod move toward the fixed platform along with the mounting plate, the screw rod passes through one end of the fixed platform and abuts against the movable plate, driving the movable plate to move toward the base, and the rotating sleeve rotates accordingly through the cooperation between the protrusion and the guide groove.

[0007] Preferably, a mounting ring is provided at the top of the rotating sleeve, the rotating sleeve is rotatably connected to the bottom of the mounting ring, and a spring is provided between the mounting ring and the top inner wall of the movable plate.

[0008] Preferably, a gear is sleeved on one end of the rotating sleeve close to the mounting frame of the base, and the gear rotates with the rotating sleeve. A guide column is provided in the base, and the first supporting foot is movably provided on the guide column, and the first supporting foot is also provided with a rack meshing with the gear, and the first supporting foot moves along the guide column as the rotating sleeve rotates.

[0009] Preferably, a rotating disk is also provided on the rotating sleeve, and the rotating disk is located above the gear and rotates with the rotating sleeve. There are two second supporting feet, which are symmetrically arranged on both sides of the base. Two arc grooves are provided on the bottom surface of the rotating disk, and one end of the two second supporting feet are respectively embedded in the two arc grooves. The second supporting feet extend out of the base or retract into the base as the rotating disk rotates.

[0010] Preferably, a positioning hole is provided through the movable plate, a positioning column is provided on the cover plate of the base, the positioning column is located in the positioning hole, and the movable plate moves along the setting direction of the positioning column.

[0011] Preferably, a bearing is provided between the rotating sleeve and the supporting column, an outer ring of the bearing is fixed to the rotating sleeve, and an inner ring of the bearing is fixed to the supporting column.

[0012] Preferably, a counterweight is further provided on the top of the base, and universal wheels are further provided on the bottom of the installation frame, the first supporting leg and the second supporting leg.

[0013] Preferably, a storage tube is provided on one side of the mounting plate close to the guide rod, a rotating rod is provided inside the storage tube, a second motor connected to the rotating rod is provided on the top of the storage tube, and both ends of the net are respectively provided on the rotating rods of the two support columns.

[0014] Compared with the prior art, the present invention can automatically adjust the height of the net, and through the setting of the photoelectric switch, the height of the net can be accurately positioned, so that the height of the net strictly complies with the rules of the game, so as to ensure the fairness and standardization of the game. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a schematic diagram of the working state of the overall structure of the present invention.

[0018] Figure 3 It is a schematic diagram of the structure of the mounting plate and the fixing platform of the present invention.

[0019] Figure 4 It is a schematic diagram of the base structure of the present invention.

[0020] Figure 5 It is a schematic diagram of the structure of the first supporting foot and the guide column of the present invention.

[0021] Figure 6 It is a schematic cross-sectional view of the rotating cylinder of the present invention.

[0022] Figure 7 It is an exploded view of the movable plate and the rotating cylinder of the present invention.

[0023] Figure 8 It is a schematic diagram of the structure of the second supporting foot of the present invention.

[0024] Fig. 9 It is a schematic diagram of the structure of the rotating disk of the present invention.

[0025] Fig.10 It is a schematic diagram of the structure of the rotating disk and the rotating sleeve of the present invention.

[0026] Fig.11 It is a schematic diagram of the rotating cylinder sleeve and gear structure of the present invention.

[0027] Fig.12It is a schematic diagram of the structure of the rotating disk and the second supporting foot of the present invention.

[0028] Among them, 1-support column, 11-fixed table, 12-telescopic rod, 13-photoelectric switch, 14-movable plate, 15-rotating sleeve, 151-gear, 152-rotating disk, 153-guide groove, 154-arc groove, 16-mounting ring, 161-spring, 2-mounting plate, 21-screw rod, 22-guide rod, 221-sensing block, 23-first motor, 24-storage tube, 241-second motor, 3-net, 4-base, 41-mounting frame, 42-first support foot, 43-second support foot, 44-counterweight, 45-universal wheel, 46-guide column. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0030] Thus, a feature indicated in this specification will be used to illustrate one of the features of an embodiment of the present invention, rather than implying that each embodiment of the present invention must have the described feature. In addition, it should be noted that this specification describes many features. Although some features can be combined together to illustrate possible system designs, these features can also be used in other combinations that are not explicitly described. Thus, unless otherwise stated, the described combinations are not intended to be limiting.

[0031] In the description of the present application, the terms “first” and “second” are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0032] In the description of the present application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0033] The principle and structure of the present invention are described in detail below with reference to the accompanying drawings and embodiments.

[0034] A net post for both volleyball and badminton comprises two support posts 1, each of which is provided with a fixed platform 11 on the top, a telescopic rod 12 on the fixed platform 11, a mounting plate 2 on the top of the telescopic rod 12, a ball net 3 between the mounting plates 2 of the two support posts 1; a screw rod 21 and a guide rod 22 are vertically provided between the mounting plate 2 and the fixed platform 11, one end of the screw rod 21 and the guide rod 22 are fixed on the mounting plate 2, and the other end is arranged through the fixed platform 11; a first motor 23 for driving the screw rod 21 is also provided on the top of the mounting plate 2, the first motor 23 drives the screw rod 21 to rotate and drives the mounting plate 2 to move close to or away from the fixed platform 11, and the telescopic rod 12 is extended or retracted into the support post 1 accordingly, the screw rod 21 and the guide rod 22 move with the mounting plate 2, a plurality of photoelectric switches 13 for assisting in controlling the opening and closing of the first motor 23 are provided on the support post 1, a sensing block 221 is provided at the bottom of the guide rod 22, and all the photoelectric switches 13 are located on the movement track of the sensing block 221.

[0035] A base 4 is provided at the bottom of the support column 1, and a mounting frame 41 is provided at the bottom of the base 4. The support column 1 is fixed on the mounting frame 41. The mounting frame 41 is also provided with a first supporting foot 42 and a second supporting foot 43. The first supporting foot 42 and the second supporting foot 43 can extend out of the base 4 or be retracted into the inside of the base 4.

[0036] A rotating sleeve 15 and a movable plate 14 are sleeved on the bottom of the support column 1. The movable plate 14 is located above the rotating sleeve 15. Two guide grooves 153 are arranged around the surface of the rotating sleeve 15. A protrusion cooperating with the guide groove 153 is arranged on the bottom inner wall of the movable plate 14. When the screw rod 21 and the guide rod 22 move toward the fixed platform 11 with the mounting plate 2, the screw rod 21 passes through one end of the fixed platform 11 and abuts against the movable plate 14, driving the movable plate 14 to move toward the base 4. The rotating sleeve 15 rotates accordingly through the cooperation between the protrusion and the guide groove 153.

[0037] A mounting ring 16 is disposed on the top of the rotating sleeve 15 . The rotating sleeve 15 is rotatably connected to the bottom of the mounting ring 16 . A spring 161 is disposed between the mounting ring 16 and the top inner wall of the movable plate 14 .

[0038] A gear 151 is sleeved on one end of the rotating sleeve 15 close to the mounting frame 41 of the base 4. The gear 151 rotates with the rotating sleeve 15. A guide column 46 is provided in the base 4. The first supporting foot 42 is movably provided on the guide column 46. The first supporting foot 42 is also provided with a rack meshing with the gear 151. The first supporting foot 42 rotates with the rotating sleeve 15 and moves along the guide column 46.

[0039] A rotating disk 152 is also provided on the rotating sleeve 15. The rotating disk 152 is located above the gear 151 and rotates with the rotating sleeve 15. There are two second supporting feet 43 that are symmetrically arranged on both sides of the base 4. Two arc grooves 154 are provided on the bottom surface of the rotating disk 152. One ends of the two second supporting feet 43 are respectively embedded in the two arc grooves 154. The second supporting feet 43 extend out of the base 4 or retract into the base 4 as the rotating disk 152 rotates.

[0040] A positioning hole is provided through the movable plate 14 , and a positioning column is provided on the cover plate of the base 4 . The positioning column is located in the positioning hole, and the movable plate 14 moves along the setting direction of the positioning column.

[0041] A bearing is provided between the rotating sleeve 15 and the supporting column 1 , the outer ring of the bearing is fixed to the rotating sleeve 15 , and the inner ring of the bearing is fixed to the supporting column 1 .

[0042] A counterweight 44 is also provided on the top of the base 4 , and universal wheels 45 are also provided on the bottom of the mounting frame 41 , the first supporting leg 42 and the second supporting leg 43 .

[0043] A storage tube 24 is provided on one side of the mounting plate 2 close to the guide rod 22, a rotating rod is provided inside the storage tube 24, a second motor 241 connected to the rotating rod is provided on the top of the storage tube 24, and both ends of the net 3 are respectively provided on the rotating rods of the two support columns 1.

[0044] In a specific embodiment, Figures 1 to 12As shown, the main body of a dual-purpose net post for air volleyball and badminton proposed in the present application is two support columns 1. A fixed platform 11 is arranged on the top of each support column 1, and a telescopic rod 12 is arranged on the top of the fixed platform 11. The telescopic rod 12 is vertically arranged on the fixed platform 11, and the telescopic rod 12 can perform telescopic movement inside the support column 1. A mounting plate 2 is also arranged on the top of each telescopic rod 12, and the mounting plate 2 is fixed on the telescopic rod 12, and a screw rod 21 and a guide rod 22 are arranged between the mounting plate 2 and the fixed platform 11. One end of the screw rod 21 and the guide rod 22 are fixed on the side of the mounting plate 2 facing the fixed platform 11, and the other end of the screw rod 21 and the guide rod 22 extend through the fixed platform 11 toward the support column 1. A first motor 23 for driving the screw rod 21 is also arranged on the side of the mounting plate 2 facing away from the screw rod 21. Specifically, when the first motor 23 drives the screw rod 21 to rotate, the mounting plate 2 moves toward or away from the fixed platform 11 along the setting direction of the guide rod 22, the telescopic rod 12 gradually extends or retracts into the support column 1, the screw rod 21 and the guide rod 22 move together with the mounting plate 2, and the screw rod 21 and the guide rod 22 pass through one end of the fixed platform 11 and move toward or away from the support seat. In addition, a sensing block 221 is provided at the bottom of the guide rod 22, the sensing block 221 is located at one end of the guide rod 22 passing through the fixed platform 11, and the sensing block 221 moves with the guide rod 22. Three photoelectric switches 13 are also provided on the support seat, and the three photoelectric switches 13 are respectively located at different heights of the support column 1, and a controller for receiving signals sent by the photoelectric switches 13 is also provided on the fixed platform 11. The first motor 23 is started by the controller to move the mounting plate 2 and the telescopic rod 12. When the sensing block 221 moves to the position of the photoelectric switch 13, the photoelectric switch 13 is triggered and transmits a signal to the controller. After receiving the signal, the controller controls the first motor 23 to turn off, and the mounting plate 2 and the telescopic rod 12 stop moving. Since the net 3 is set between the mounting plates 2 of the two support columns 1, the height of the net 3 is also locked after the mounting plate 2 stops moving.

[0045] Since there are strict requirements on the height of the net 3 in air volleyball and badminton games, the standard height of the net 3 in men's air volleyball games is 2.1 meters, the standard height of the net 3 in women's air volleyball games is 1.9 meters, and the standard height of the two ends of the net 3 in badminton games is 1.55 meters. Since the net 3 is set between the mounting plates 2 of the two support columns 1, the height of the net 3 will also change with the movement of the mounting plates 2. When the induction block 221 on the guide rod 22 moves to the position of these three photoelectric switches 13, the height of the net 3 is 2.1 meters, 1.9 meters and 1.55 meters respectively. This setting enables the present application to automatically adjust the height of the net 3 to the standard height of air volleyball games or badminton games. Through the setting of the photoelectric switch 13, the accurate positioning of the telescopic rod 12 during the lifting process is ensured, and the error that may occur when manually adjusting the height of the net 3 is avoided, ensuring the fairness and standardization of the game. Furthermore, in other embodiments, the number and height of the photoelectric switches 13 can be set according to actual needs, so as to be applicable to other types of ball sports (such as tennis, etc.), which can further improve the versatility of the venue using the present application, so that the venue can support more types of sports. This automated design reduces the frequency of manual intervention, reduces the probability of wear and failure caused by frequent manual operation, thereby extending the service life and reducing maintenance costs.

[0046] A storage cylinder 24 is provided on one side of each mounting plate 2 close to the guide rod 22, a rotating rod is provided inside the storage cylinder 24, a second motor 241 connected to rotation is provided on the top of the storage cylinder 24, rotating rods are provided on both support columns 1, and both ends of the ball net 3 are connected to the two rotating rods respectively. It is worth noting that a detachable design is adopted between the ball net 3 and the rotating rods to facilitate the storage operation of the ball net 3. When the ball net 3 needs to be put away, the operator can remove the ball net 3 from one of the rotating rods, and then start the second motor 241 provided on the other rotating rod to drive the other rotating rod to rotate, so as to roll up the ball net 3 and store it inside the storage cylinder 24 where the other rotating rod is located. A bell connected to the rotating rod is also provided at the bottom of the storage cylinder 24. When the rotating rod rotates to roll up the net 3, the bell is triggered. Since the distance between the operator and the storage cylinder 24 for storing the net 3 is the length of the net 3, which is far away, the setting of the bell enables the operator to timely understand the movement state of the second motor 241, which serves as a reminder. A scale line is also provided at the top of the net 3, and the operator can adjust the length of the net 3 pulled out of the storage cylinder 24 according to the standards required by different competitions, further improving the applicability of the present application.

[0047] It is worth mentioning that a base 4 is disposed at the bottom of each support column 1, and a mounting frame 41 is disposed at the bottom area of ​​the base 4, and the support column 1 is fixed on the mounting frame 41. In addition, a first support leg 42 and a second support leg 43 are disposed on the mounting frame 41, and these two support legs have the function of extending out of the base 4 or retracting into the base 4. A counterweight 44 is disposed on the top of the base 4, and universal wheels 45 are disposed at the bottom of the mounting frame 41, the first support leg 42, and the second support leg 43.

[0048] In actual use, the net 3 will generate a certain pulling force on the support columns 1 on both sides after it is unfolded. For this reason, a detachable counterweight 44 is designed on the top of the base 4 of the two support columns 1. When the net 3 is unfolded, the counterweight 44 can press the base 4 to enhance stability. At this time, the first support leg 42 and the second support leg 43 can extend outside the base 4 to increase the force-bearing area, thereby playing an auxiliary supporting role for the base 4, thereby making the support column 1 more stable. In addition, the setting of the universal wheel 45 enables the base 4 to be moved conveniently, which is convenient for the operator to move the base 4 to the designated position on the field. In order to facilitate the operator to move or carry the base 4, the counterweight 44 adopts a detachable design. During the movement of the base 4, the counterweight 44 can be installed without the counterweight 44. After the base 4 reaches the designated position, the counterweight 44 can be installed.

[0049] The bottom of the support column 1 is sleeved with a rotating sleeve 15 and a movable plate 14. The movable plate 14 is located above the rotating sleeve 15. Two guide grooves 153 are arranged around the surface of the rotating sleeve 15. Two protrusions are arranged on the inner wall of the bottom of the movable plate 14. The two protrusions are respectively embedded in the two guide grooves 153. When the movable plate 14 is lifted and lowered on the rotating sleeve 15, the two protrusions will slide in the guide grooves 153. Since the protrusions are embedded in the guide grooves 153, when the movable plate 14 rises or falls, it will drive the rotating sleeve 15 to rotate clockwise or counterclockwise. A bearing is also arranged between the rotating sleeve 15 and the support column 1. Specifically, the outer ring of the bearing is fixed to the inner wall of the rotating sleeve 15, and the inner ring of the bearing is fixed to the surface of the support column 1. The arrangement of the bearing reduces the direct contact between the rotating sleeve 15 and the support column 1, and effectively reduces the friction resistance between the rotating sleeve 15 and the support column 1. This not only makes the rotation of the rotating sleeve 15 smoother, but also reduces the wear caused by friction, thereby extending the service life of the rotating sleeve 15. A positioning hole is set through the movable plate 14, and a positioning column is set on the cover plate of the base 4. The positioning column is set vertically and embedded in the positioning hole of the movable plate 14. This design enables the movable plate 14 to move along the set direction of the positioning column. When the movable plate 14 is lifted and lowered, the cooperation between the positioning column and the positioning hole can ensure that the movable plate 14 moves linearly along the positioning column without shaking or tilting, ensuring the reliability of the movement of the movable plate 14, thereby improving the stability of the overall structure.

[0050] A mounting ring 16 is provided at the top of the rotating sleeve 15, and a spring 161 is provided on the mounting ring 16. One end of the spring 161 is fixed to the mounting ring 16, and the other end is fixed to the top inner wall of the movable plate 14. The rotating sleeve 15 is rotatably connected to the mounting ring 16, so that when the rotating sleeve 15 rotates, the mounting ring 16 does not rotate with it and interfere with the spring 161. When the screw rod 21 and the guide rod 22 move toward the fixed platform 11 with the mounting plate 2, the screw rod 21 passes through one end of the fixed platform 11 and abuts against the movable plate 14, generating a downward pressure on the movable plate 14, so that the movable plate 14 moves toward the base 4 along the setting direction of the positioning column. At this time, the spring 161 is forced into a compressed state, and the rotating sleeve 15 rotates forwardly through the cooperation between the protrusion and the guide groove 153; when the screw rod 21 and the guide rod 22 move away from the fixed platform 11, the screw rod 21 passes through one end of the fixed platform 11 and separates from the movable plate 14. At this time, the spring 161 is not subjected to pressure and changes from a compressed state to a normal state. The movable plate 14 is affected by the rebound force of the spring 161 and moves away from the base 4 along the setting direction of the positioning column, and the rotating sleeve 15 rotates in the opposite direction through the cooperation between the protrusion and the guide groove 153.

[0051] A gear 151 is sleeved on the lower end of the rotating sleeve 15, and a rotating disk 152 is arranged above the gear 151. It is worth noting that the gear 151 and the rotating disk 152 will rotate synchronously with the rotation of the rotating sleeve 15. In addition, a guide column 46 is also arranged inside the base 4, and the first supporting foot 42 is movably arranged on the guide column 46, and a rack meshing with the gear 151 is also arranged on the first supporting foot 42. Therefore, when the rotating sleeve 15 rotates, the first supporting foot 42 will move along the guide column 46. In addition, there are two second supporting feet 43, which are symmetrically arranged on both sides of the base 4. On the bottom surface of the rotating disk 152, two arc grooves 154 are designed, and one end of the two second supporting feet 43 is respectively embedded in the two arc grooves 154. This design allows the first supporting foot 42 and the second supporting foot 43 to flexibly extend out of the base 4 or retract into the base 4 as the rotating sleeve 15 rotates. When the first support leg 42 and the second support leg 43 extend to the outside of the base 4, the base 4 can be effectively supported, thereby enhancing the overall stability and load-bearing capacity. When the first support leg 42 and the second support leg 43 are retracted into the inside of the base 4, the floor space can be reduced, which is convenient for storage. In actual use, when it is necessary to store the dual-purpose net post for air volleyball and badminton proposed in this application, the first motor 23 is driven to move the mounting plate 2 and the telescopic rod 12 downward, so that the screw rod 21 abuts against the movable plate 14, the movable plate 14 is pressed downward, the rotating sleeve 15 is rotated forward, and the first support leg 42 and the second support leg 43 are retracted into the base 4, reducing the volume and facilitating storage; when it is needed, the first motor 23 is driven again to move the mounting plate 2 and the telescopic rod 12 upward, so that the screw rod 21 and the movable plate 14 are separated, and the movable plate 14 moves upward under the action of the spring 161, so that the rotating sleeve 15 rotates in the opposite direction, and the first support leg 42 and the second support leg 43 are extended out of the base 4, thereby enhancing the stability of the base 4. This design enables the first supporting leg 42 and the second supporting leg 43 to be automatically retracted or unfolded along with the movement of the telescopic rod 12 and the mounting plate 2 without manual adjustment, thereby improving the convenience of operation.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A net post for both volleyball and badminton, comprising two support posts (1), characterized in that: A fixing platform (11) is arranged on the top of each support column (1), a telescopic rod (12) is arranged on the fixing platform (11), a mounting plate (2) is arranged on the top of the telescopic rod (12), and a net (3) is arranged between the mounting plates (2) of the two support columns (1); A screw rod (21) and a guide rod (22) are vertically arranged between the mounting plate (2) and the fixed platform (11); one end of the screw rod (21) and the guide rod (22) are fixed on the mounting plate (2), and the other end thereof is arranged through the fixed platform (11); a first motor (23) for driving the screw rod (21) is also arranged on the top of the mounting plate (2); the first motor (23) drives the screw rod (21) to rotate and drives the mounting plate (2) to move closer to or away from the fixed platform (11); the telescopic rod (12) extends or retracts into the support column (1) accordingly; the screw rod (21) and the guide rod (22) move along with the mounting plate (2); a plurality of photoelectric switches (13) for assisting in controlling the opening and closing of the first motor (23) are arranged on the support column (1); a sensing block (221) is arranged at the bottom of the guide rod (22); all the photoelectric switches (13) are located on the movement track of the sensing block (221).

2. A dual-purpose net post for volleyball and badminton according to claim 1, characterized in that: A base (4) is provided at the bottom of the support column (1), a mounting frame (41) is provided at the bottom of the base (4), the support column (1) is fixed on the mounting frame (41), a first supporting foot (42) and a second supporting foot (43) are also provided on the mounting frame (41), and the first supporting foot (42) and the second supporting foot (43) can be extended out of the base (4) or retracted into the base (4).

3. A dual-purpose net post for volleyball and badminton according to claim 2, characterized in that: A rotating sleeve (15) and a movable plate (14) are sleeved on the bottom of the support column (1), the movable plate (14) is located above the rotating sleeve (15), two guide grooves (153) are arranged around the surface of the rotating sleeve (15), and a protrusion cooperating with the guide groove (153) is arranged on the inner wall of the bottom of the movable plate (14); when the screw rod (21) and the guide rod (22) move toward the fixed platform (11) along with the mounting plate (2), one end of the screw rod (21) passes through the fixed platform (11) and abuts against the movable plate (14), thereby driving the movable plate (14) to move toward the base (4), and the rotating sleeve (15) rotates accordingly through the cooperation between the protrusion and the guide groove (153).

4. A dual-purpose net post for volleyball and badminton according to claim 3, characterized in that: A mounting ring (16) is provided at the top of the rotating sleeve (15), the rotating sleeve (15) is rotatably connected to the bottom of the mounting ring (16), and a spring (161) is provided between the mounting ring (16) and the top inner wall of the movable plate (14).

5. A dual-purpose net post for volleyball and badminton according to claim 4, characterized in that: A gear (151) is sleeved on one end of the rotating sleeve (15) close to the mounting frame (41) of the base (4), and the gear (151) rotates with the rotating sleeve (15). A guide column (46) is provided in the base (4), and the first supporting foot (42) is movably provided on the guide column (46). A rack meshing with the gear (151) is also provided on the first supporting foot (42), and the first supporting foot (42) moves along the guide column (46) as the rotating sleeve (15) rotates.

6. A dual-purpose net post for volleyball and badminton according to claim 5, characterized in that: The rotating sleeve (15) is also provided with a rotating disk (152), the rotating disk (152) is located above the gear (151), and the rotating disk (152) rotates with the rotating sleeve (15), there are two second supporting feet (43) which are symmetrically arranged on both sides of the base (4), the bottom surface of the rotating disk (152) is provided with two arc grooves (154), one end of the two second supporting feet (43) is respectively embedded in the two arc grooves (154), and the second supporting feet (43) are extended out of the base (4) or retracted into the base (4) as the rotating disk (152) rotates.

7. A dual-purpose net post for volleyball and badminton according to claim 3, characterized in that: A positioning hole is provided through the movable plate (14), a positioning column is provided on the cover plate of the base (4), the positioning column is located in the positioning hole, and the movable plate (14) moves along the setting direction of the positioning column.

8. The dual-purpose net post for volleyball and badminton according to claim 3, characterized in that: A bearing is provided between the rotating sleeve (15) and the support column (1); an outer ring of the bearing is fixed to the rotating sleeve (15), and an inner ring of the bearing is fixed to the support column (1).

9. A dual-purpose net post for volleyball and badminton according to claim 2, characterized in that: A counterweight (44) is also provided on the top of the base (4), and universal wheels (45) are also provided on the bottoms of the installation frame (41), the first supporting legs (42) and the second supporting legs (43).

10. The dual-purpose net post for air volleyball and badminton according to claim 1, characterized in that: A storage cylinder (24) is provided on one side of the mounting plate (2) close to the guide rod (22), a rotating rod is provided in the storage cylinder (24), a second motor (241) connected to the rotating rod is provided at the top of the storage cylinder (24), and both ends of the ball net (3) are respectively provided on the rotating rods of the two support columns (1).

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