A folding badminton net stand convenient to store

Abstract

This utility model discloses a foldable badminton net frame that is easy to store, including a first base box and a second base box. Beneficial effects: This utility model adopts a double-box design with a first base box and a second base box, and has a receiving cavity. The depth of the receiving cavity is greater than the thickness of the fixing plate. Therefore, when not in use, the fixing plate can be folded inside and the net can be folded and placed inside, allowing for easy storage of the entire net frame. This reduces the overall footprint of the structure and improves storage convenience. Furthermore, the box surface is equipped with casters, allowing for easy and convenient transport by gripping the handle and using the casters, enhancing portability and facilitating use in different venues. When unfolded, water or sand can be poured into the box through the water inlet to increase the overall weight distribution and improve performance. It has the advantages of convenient storage, high practicality, and easy portability.

Description

Technical Field

[0001] This utility model relates to the field of badminton net frame technology, specifically to a foldable badminton net frame that is easy to store. Background Technology

[0002] A badminton net frame is a support structure used to hold a badminton net. It is placed at the two midpoints of the badminton court sidelines and is responsible for stretching the net to the standard height.

[0003] Most sports venues use fixed badminton nets. These fixed nets usually have heavy bases, making them difficult to move. They are also quite large, making them difficult to carry and store. This makes it difficult for people to flexibly play badminton in different venues, and the overall performance is not ideal, leaving room for improvement.

[0004] Therefore, based on this, the technical solution of this utility model is proposed. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a foldable badminton net frame that is easy to store, has the advantages of convenient storage, strong practicality, and easy portability, thereby solving the problems mentioned in the background technology.

[0007] (II) Technical Solution

[0008] To achieve the aforementioned advantages of convenient storage, high practicality, and easy portability, the specific technical solution adopted by this utility model is as follows:

[0009] A foldable badminton net frame that is easy to store includes a first base box and a second base box. Both the first and second base boxes have a receiving cavity in the middle of their surfaces. A fixing plate is rotatably connected to one side of each receiving cavity. Counterweight cavities are symmetrically located on both sides of the receiving cavities inside the first and second base boxes. Water inlets are installed on the surfaces of each counterweight cavity, and sealing plugs are installed on the surfaces of the water inlets. Handles and casters are installed on both sides of the first and second base boxes, and the casters are mounted on the bottom surfaces of the first and second base boxes via a fixing bracket.

[0010] Furthermore, several sets of positioning grooves are symmetrically formed around the perimeter of the surface of the first base box.

[0011] Furthermore, several sets of positioning rods are symmetrically installed around the perimeter of the second base box surface.

[0012] Furthermore, an adjusting plate is slidably connected inside the fixed plate, a support rod is installed at the top of the adjusting plate, and positioning holes are provided on the surface of both the adjusting plate and the fixed plate, and the positioning holes are fastened by pins.

[0013] Furthermore, a gripping groove is provided on the surface of the fixing plate.

[0014] Furthermore, the length of the receiving cavity is greater than the total length of the fixing plate, adjusting plate, and support rod when stored.

[0015] Furthermore, a ball net is folded and placed inside the receiving cavity, and the depth of the receiving cavity is greater than the total thickness of the folded ball net and the fixing plate.

[0016] Furthermore, fixing blocks are symmetrically welded to the middle of both sides of the first base box and the second base box. The fixing blocks are fixed to each other by fastening screws. A slot is opened on one side of the cavity, and a card block is inserted into the slot. The distance between the slot and the side wall of the cavity is equal to the card block plus the width of the fixing plate in the flipped state.

[0017] The beneficial effects of this utility model are as follows:

[0018] This utility model employs a double-box design consisting of a first base box and a second base box, with a receiving cavity in the middle of the box. The depth of the receiving cavity is greater than the thickness of the fixing plate. Therefore, when not in use, the fixing plate can be folded inside, and the net can be folded and placed inside simultaneously. This allows for easy storage of the entire net frame, reducing the overall footprint and improving storage convenience. Furthermore, the box surface is equipped with casters, allowing for easy and convenient transport by gripping the handle and using the casters, enhancing portability and facilitating use in different locations. When unfolded, water or sand can be poured into the box through the water inlet to increase the overall weight distribution, ensuring structural stability and improving performance. It boasts advantages such as convenient storage, high practicality, and portability. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the structure of a foldable badminton net frame that is easy to store, as proposed in this utility model.

[0021] Figure 2 This is a schematic diagram of the internal structure of the first basic box of this utility model;

[0022] Figure 3 This is a schematic diagram of the internal structure of the second basic box of this utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the card block of this utility model.

[0024] The attached figures are labeled as follows:

[0025] 1-First base box; 2-Second base box; 3-Fixing block; 4-Fasting screw; 5-Water inlet; 6-Handle; 7-Fixing frame; 8-Moving wheel; 9-Ball net; 10-Positioning groove; 11-Counterweight cavity; 12-Receiving cavity; 13-Support rod; 14-Adjusting plate; 15-Positioning hole; 16-Grip groove; 17-Fixing plate; 18-Positioning rod; 19-Card slot; 20-Card block. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0027] In the description of this application, it should be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" or "several" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0029] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0030] Example 1

[0031] refer to Figure 1-3 According to an embodiment of the present invention, a foldable badminton net frame that is easy to store includes a first base box 1 and a second base box 2. A receiving cavity 12 is provided in the middle of the surface of both the first base box 1 and the second base box 2. A fixing plate 17 is rotatably connected to one side of the receiving cavity 12. Counterweight cavities 11 are symmetrically provided on both sides of the receiving cavity 12, located inside the first base box 1 and the second base box 2. Water inlets 5 are installed on the surface of each counterweight cavity 11, and sealing plugs are installed on the surface of each water inlet 5. Handles 6 and casters 8 are installed on both sides of the first base box 1 and the second base box 2. The casters 8 are installed on the bottom surface of the first base box 1 and the second base box 2 via a fixing bracket 7. The first base box 1 and the second base box 2 are injection molded from high-strength ABS plastic with an anti-slip textured surface. Fixing blocks 3 are welded to both sides of the box body and connected by M8 fastening screws 4 with a fastening torque ≥15 N·m to ensure that the box body does not separate during transportation. The casters 8 are installed... Wheel 8 is an 80mm polyurethane swivel wheel, welded to the bottom of the box via mounting bracket 7. The wheel axle is a 10mm stainless steel shaft, fitted with a deep groove ball bearing (model 6201). Counterweight chamber 11 is a rectangular structure, welded with 304 stainless steel. The water inlet 5 is located at the top, with a corresponding outlet at the bottom, both fitted with silicone sealing plugs (Shore hardness 60A). The maximum water capacity is 3L, and it can be filled with water or sand (counterweight range 0-5kg). The fixing block 3 and fastening screws... The rod 4 forms a detachable connection, and the box can be stored independently after disassembly. The counterweight chamber 11 and the receiving chamber 12 are separated by a partition with a thickness of 3mm to prevent water from affecting the rotation of the fixed plate 17. Portability: The moving wheels 8 and the handle 6 work together, and a single person can easily push it. The overall volume is reduced compared to the traditional fixed mesh frame when stored. Counterweight adjustment: After water is added, the overall center of gravity is lowered to the bottom of the box, which improves the anti-tipping effect and wind resistance (the traditional fixed mesh frame has the same wind resistance, but the counterweight cannot be adjusted).

[0032] Example 2

[0033] refer to Figure 2 The first base box 1 has several sets of positioning grooves 10 symmetrically opened around its four sides.

[0034] Example 3

[0035] refer to Figure 3 Several sets of positioning rods 18 are symmetrically installed around the surface of the second base box 2. The positioning grooves 10 and positioning rods 18 are: four sets of positioning grooves 10 are opened on the surface of the first base box 1, and four sets of positioning rods 18 are correspondingly installed on the second base box 2, using an interference fit (tolerance H7 / p6), with an insertion depth ≥25mm; when the positioning rods 18 are inserted into the positioning grooves 10, four-point positioning is formed, reducing flatness error and ensuring a smaller height difference on the top surface after the box is assembled; rapid positioning: the positioning grooves 10 and positioning rods 18 cooperate, reducing the box assembly time, improving positioning accuracy, and increasing efficiency compared to traditional bolt connections.

[0036] Example 4

[0037] refer to Figure 1-3 An adjusting plate 14 is slidably connected to the inside of the fixed plate 17. A support rod 13 is installed at the top of the adjusting plate 14. Positioning holes 15 are provided on the surface of both the adjusting plate 14 and the fixed plate 17, and the positioning holes 15 are fastened by pins. The fixed plate 17 is rotatably connected to the inner wall of the receiving cavity 12 by a φ8mm stainless steel pin. The pin is equipped with E-type retaining rings at both ends. The rotation angle is 0-90° and the rotation torque is ≤0.5N·m, ensuring one-handed operation. When the fixed plate 17 is flipped to the vertical position, the locking block 20 is inserted into the locking slot 19 to prevent shaking. Stable support: After the fixed plate 17 is unfolded, it is locked by the locking block 20 and the locking groove 19, which can withstand lateral force and ensure that the net frame does not shift when hitting the ball; by moving the position of the adjusting plate 14 and cooperating with the pin, different height installation requirements can be met, so that people of different heights can play badminton, improving the practicality of the device. At the same time, the support rod 13 is used to connect with the tubular fabric at both ends of the net 9 to fix the net 9. If the net 9 does not have a tubular structure at both ends, it can be tied to the support rod 13 with rope without affecting the use of the net 9.

[0038] Example 5

[0039] refer to Figure 2-3 The fixed plate 17 has a gripping groove 16 on its surface. The gripping groove 16 has an L-shaped structure inside, which makes it easy for people to insert their fingers to lift and flip the fixed plate 17, making it easy to unfold and fix during movement, thus improving the convenience of operation.

[0040] Example 6

[0041] refer to Figure 1-3The length of the receiving cavity 12 is greater than the total length of the fixed plate 17, the adjusting plate 14 and the support rod 13 when stored. The length of the receiving cavity ensures that the fixed plate 17 and other structures can be smoothly flipped into it when stored, avoiding the structure being too long and thus preventing it from being stored smoothly, and ensuring the effectiveness of the structure.

[0042] Example 7

[0043] refer to Figure 1 and Figure 2 The ball net 9 is folded inside the receiving cavity 12, and the depth of the receiving cavity 12 is greater than the total thickness of the folded ball net 9 and the fixing plate 17. The depth of the receiving cavity is designed to ensure that the entire ball net 9 frame structure can be stored when it is stored, which is convenient for transportation and subsequent use and avoids the loss of parts.

[0044] Example 8

[0045] refer to Figure 1-4Both sides of the first base box 1 and the second base box 2 are symmetrically welded with fixing blocks 3 at the middle position. Each pair of fixing blocks 3 is secured together by fastening screws 4. A slot 19 is provided on one side of the receiving cavity 12, and a locking block 20 is inserted into the slot 19. The distance between the slot 19 and the side wall of the receiving cavity 12 is equal to the locking block 20 plus the width of the fixing plate 17 in the flipped state. The size of the slot 19 is designed to ensure that the fixing plate 17 can be blocked from the side by the locking block 20 when it is flipped for use, thereby preventing damage. To ensure the stability of the fixing plate 17 during use, the following steps are performed: During storage: Rotate the fastening screw 4 counterclockwise to separate the first and second base boxes 2, allowing the moving wheels 8 to touch the ground; Pull out the locking block 20 to disengage from the slot 19, and simultaneously pull out the pin to push the support rod 13 and the adjusting plate 14 to retract, rotating the fixing plate 17 to a horizontal position; Fold the net 9 and place it into the receiving cavity 12, then press the two sets of boxes together and rotate the fastening screw 4 again to complete the storage and fastening operation; During unfolding: Open the two sets of boxes, remove the net 9, and unfold the fixing plate 17 to a vertical position. In the straight position, the locking block 20 is inserted into the locking slot 19; adjust the adjusting plate 14 to the required height, insert the pin to fix it, at this time the support rod 13 is exposed to the appropriate height; inject 3L of water or sand through the water inlet 5; usage stage: stretch the net 9, fix both ends to the surface of the support rod 13; check whether the sealing plug of the counterweight chamber 11 is tight, and start the game; movement stage: push the device to the target field through the handle 6 and the moving wheel 8, and refill the counterweight after arrival; through modular design, multi-degree-of-freedom adjustment and efficient storage structure, this device solves the problems of traditional feather The large size, difficulty in moving, and inconvenience in adjusting the net 9 frame make it particularly suitable for temporary outdoor venues and home use, meeting the flexible needs of fitness for all. Its technological innovations are: a dual-box linkage structure: quick splicing is achieved through positioning slots 10 / rods and fastening screws 4, which improves efficiency compared to traditional bolt connections; a multi-dimensional adjustment system: the adjustment plate 14 + pins enable precise height adjustment, and the counterweight cavity 11 can adapt to different ground conditions; and an integrated storage design: the housing cavity 12 integrates the net 9 and supporting components, reducing the size and significantly improving portability.

[0046] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A foldable badminton net stand for easy storage, comprising a first base box (1) and a second base box (2), characterized in that, The first base box (1) and the second base box (2) are provided with a receiving cavity (12) in the middle of their surfaces. A fixing plate (17) is rotatably connected to one side of the receiving cavity (12). A counterweight cavity (11) is symmetrically provided on both sides of the receiving cavity (12) in the interior of the first base box (1) and the second base box (2). A water inlet (5) is installed on the surface of the counterweight cavity (11), and a sealing plug is installed on the surface of the water inlet (5). A handle (6) and a moving wheel (8) are installed on both sides of the first base box (1) and the second base box (2). The moving wheel (8) is installed on the bottom surface of the first base box (1) and the second base box (2) through a fixing frame (7).

2. The foldable badminton net set according to claim 1, wherein, The first base box (1) has several sets of positioning grooves (10) symmetrically opened around its surface.

3. The foldable badminton net set according to claim 1, wherein, Several sets of positioning rods (18) are symmetrically installed around the surface of the second base box (2).

4. The foldable badminton net set according to claim 1, wherein, An adjusting plate (14) is slidably connected inside the fixing plate (17). A support rod (13) is installed at the top of the adjusting plate (14). Positioning holes (15) are provided on the surface of the adjusting plate (14) and the surface of the fixing plate (17), and the positioning holes (15) are fastened by pins.

5. The foldable badminton net set according to claim 1, wherein, The surface of the fixing plate (17) is provided with a gripping groove (16).

6. The foldable badminton net set according to claim 1, wherein, The length of the receiving cavity (12) is greater than the total length of the fixed plate (17), the adjusting plate (14) and the support rod (13) when stored.

7. The foldable badminton net set according to claim 1, wherein, The cavity (12) contains a folded net (9), and the depth of the cavity (12) is greater than the total thickness of the folded net (9) and the fixing plate (17).

8. The foldable badminton net set according to claim 1, wherein, The first base box (1) and the second base box (2) are symmetrically welded with fixing blocks (3) at the middle position of both sides. The fixing blocks (3) are fixed to each other by fastening screws (4). A slot (19) is opened on one side of the cavity (12). A card block (20) is inserted into the slot (19). The distance between the slot (19) and the side wall of the cavity (12) is equal to the card block (20) plus the width of the fixing plate (17) in the flipped state.

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