Folding support

Abstract

The utility model discloses a folding support which comprises a main support body, a first folding piece and a first supporting arm, one side of the first folding piece is connected to the main support body, the other side of the first folding piece is connected to the first supporting arm, so that a foldable state is formed between the main support body and the first supporting arm, and the first folding piece is arranged in an inclined mode. According to the folding support, the main support and the first supporting arm are rotationally connected through the first folding piece, the first folding piece is obliquely arranged, the folding support is more stable and easy to operate in the using process, the placing angle can be adjusted according to needs, and therefore the diversity of the supporting effect is achieved; in addition, the folding support is small in occupied space in the folded state and convenient to store and carry, and the use and storage convenience is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of brackets, in particular to a folding bracket. Background Art

[0002] With the popularity of electronic devices such as tablets and laptops, users' demand for stands is increasing. Traditional stands are often fixed in structure, not easy to carry, and difficult to adapt to various usage scenarios. Utility Model Content

[0003] The purpose of the utility model is to overcome the defects of the prior art bracket in terms of fixed structure and inconvenience in carrying, and to provide a foldable bracket.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] An embodiment of the present invention provides a folding bracket, comprising: a main bracket, a first folding piece and a first support arm, one side of the first folding piece is connected to the main bracket, and the other side is connected to the first support arm, so that a foldable state is formed between the main bracket and the first support arm, and the first folding piece is arranged at an angle.

[0006] In one embodiment, the number of the first support arms is two, and the two groups of the first support arms are symmetrically arranged.

[0007] In one embodiment, the bottom end of the main bracket is rotatably connected to a placement plate.

[0008] In one embodiment, one end of the first support arm away from the first folding member is rotatably connected to the second support arm, and one end of the second support arm away from the first support arm is rotatably connected to the placement plate.

[0009] In one embodiment, a second folding member is provided between the placement plate and the second support arm, one side of the second folding member is connected to the placement plate, and the other side is connected to the second support arm, and the second folding member is arranged at an angle.

[0010] In one embodiment, the main bracket includes a positioning plate and a connecting plate, the connecting plate is rotatably connected to the positioning plate, and the first folding member is connected to the connecting plate.

[0011] In one embodiment, the connecting plate is provided with a first reinforcement portion, and the first folding piece is connected to the first reinforcement portion.

[0012] In one embodiment, the placement plate is provided with a second reinforcement portion, and the second folding piece is connected to the second reinforcement portion.

[0013] In one embodiment, a magnetic element is provided on the positioning plate.

[0014] In one embodiment, the first support arm and the second support arm are both triangular in shape; or, the first support arm and the second support arm are both trapezoidal in shape.

[0015] The folding bracket of the present invention has the following advantages compared with the prior art: by rotatably connecting the main bracket to the first support arm, and providing an inclined first folding piece at the connection between the main bracket and the first support arm, the folding bracket is more stable and easy to operate during use, and the placement angle can be adjusted according to needs, thereby achieving a variety of support effects, and the folding bracket occupies less space in the folded state, is easy to store and carry, and greatly improves the convenience of use and storage.

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or descriptions of the prior art. 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 any creative labor.

[0018] Figure 1 This is a structural schematic diagram of the folding bracket provided by the utility model in a folded state;

[0019] Figure 2 The structure diagram of the folding bracket provided by the utility model in the first supporting state Figure 1 ;

[0020] Figure 3 The structure diagram of the folding bracket provided by the utility model in the first supporting state Figure 2 ;

[0021] Figure 4 This is a structural schematic diagram of the folding bracket provided by the utility model in the second supporting state;

[0022] Figure 5 Schematic diagram of the application scenario of the folding bracket provided by the utility model in the first supporting state Figure 1 ;

[0023] Figure 6 Schematic diagram of the application scenario of the folding bracket provided by the utility model in the first supporting state Figure 2 ;

[0024] Figure 7Schematic diagram of the application scenario of the folding bracket provided by the utility model in the second supporting state Figure 1 ;

[0025] Figure 8 Schematic diagram of the application scenario of the folding bracket provided by the utility model in the second supporting state Figure 2 . BRIEF DESCRIPTION OF THE DRAWINGS

[0027] 1. Main bracket; 11. Positioning plate; 12. Connecting plate; 121. First reinforcement portion; 2. First folding member; 3. First support arm; 4. Placement plate; 41. Second reinforcement portion; 5. Second support arm; 6. Second folding member; 7. Third folding member. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 invention.

[0031] 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 the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0032] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0033] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0034] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification.

[0035] See also Figures 1 to 8 As shown, the utility model discloses a specific embodiment of a folding bracket, comprising: a main bracket 1, a first folding member 2 and a first support arm 3, one side of the first folding member 2 is connected to the main bracket 1, and the other side is connected to the first support arm 3, so that a foldable state is formed between the main bracket 1 and the first support arm 3, and the first folding member 2 is arranged at an angle.

[0036] Specifically, by rotatably connecting the main stand 1 and the first support arm 3 via the first folding member 2 and tilting the first folding member 2, the main stand 1 and the first support arm 3 form a stable triangular support space on the desktop when unfolded. This stability allows the folding stand to withstand minor horizontal and vertical impacts. Even if the device is accidentally touched or moved, the stand maintains its stability, preventing it from slipping or collapsing. This tilted first folding member 2 also offers other benefits. First, it makes the folding stand more compact when folded, making it easier to carry and store. Second, the tilted folding member design increases the stand's flexibility, allowing users to adjust the stand's angle and height as needed for the optimal viewing or usage experience. More importantly, this design improves the stand's durability. Because the stable triangular support space formed when unfolded effectively distributes and withstands external forces, it reduces wear and damage between the stand's components. This means users can use the stand for extended periods without worrying about performance degradation or damage. It is understandable that the first folding member 2 in this embodiment or other folding members appearing in other embodiments can be implemented using a variety of solutions such as a straight rod linkage structure, an elastic connector, a rotating shaft structure, etc.

[0037] In one embodiment, the number of the first support arms 3 is two, and the two groups of first support arms 3 are symmetrically arranged.

[0038] Specifically, this embodiment enhances the balance and symmetry of the folding stand by symmetrically arranging the two first support arms 3, and the two first support arms 3 are respectively connected to the left and right sides of the main stand 1 through two first folding parts 2, so that the left and right sides of the main stand 1 are stably supported. The symmetrical design of the two first support arms 3 improves the support stability of the device to a certain extent, and prevents the device from tilting or collapsing due to the instability of the folding stand. The symmetrically arranged first support arms 3 not only make the folding stand more stable, but also form two symmetrical triangular support structures in the unfolded state, thereby enhancing the supporting force of the folding stand. In addition, the symmetrical design not only improves the stability of the folding stand, but also optimizes the appearance, making the folding stand more beautiful and balanced when in use.

[0039] In one embodiment, the bottom end of the main bracket 1 is rotatably connected to a placement plate 4 .

[0040] Specifically, the placement plate 4 is rotatably connected to the bottom end of the main bracket 1. When the folding bracket is unfolded, the bottom end of the main bracket 1 and the placement plate 4 contact the desktop together, thereby increasing the contact area between the main bracket 1 and the desktop and providing better support and stability.

[0041] In one embodiment, one end of the first support arm 3 away from the first folding member 2 is rotatably connected to the second support arm 5 , and one end of the second support arm 5 away from the first support arm 3 is rotatably connected to the placement plate 4 .

[0042] Specifically, the first support arm 3 is rotatably connected to the second support arm 5 at one end away from the first folding part 2, and the second support arm 5 is rotatably connected to the placement plate 4 at one end away from the first support arm 3. This design allows a four-bar mechanism to be formed on both sides of the folding bracket when it is unfolded, thereby further enhancing the stability and load-bearing capacity of the folding bracket.

[0043] In one embodiment, a second folding member 6 is provided between the placement plate 4 and the second support arm 5 , one side of the second folding member 6 is connected to the placement plate 4 , and the other side is connected to the second support arm 5 , and the second folding member 6 is arranged at an angle.

[0044] Specifically, the first folding member 2 on the left side of the folding stand tilts downward from left to right, while the second folding member 6 tilts upward from left to right. The first folding member 2 and second folding member 6 on the right side of the folding stand tilt in the opposite direction. This allows the first and second support arms 3 and 5 on the left and right sides to bend inward at symmetrical angles when the folding stand is fully deployed. This X-shaped structure effectively distributes pressure through the intersecting support arms, avoiding uneven forces caused by unilateral support and preventing the folding stand from tilting or shaking. This structure provides greater stability and load-bearing capacity, allowing it to support heavier equipment without collapsing. The X-shaped support structure distributes the weight of the equipment across the folding stand's support arms, reducing the pressure on a single arm. This design not only improves the folding stand's load-bearing capacity but also prevents damage to individual support arms due to excessive load. The opposing design of the left and right folding members ensures that the support arms on both sides of the folding stand can be deployed at appropriate angles, forming a stable support surface. The carefully designed angles between the support arms provide the optimal support angle for the device, preventing it from sliding or becoming unstable. The folding line design allows the folding stand to be easily folded and unfolded, saving storage space. When folded, the folding stand can be compactly stored for easy portability, while when unfolded, it provides a stable X-shaped support for the device. Folding and unfolding are simple and user-friendly. The symmetry of the folding line design not only enhances the stability of the folding stand but also makes its appearance more aesthetically pleasing when unfolded. Symmetrical design not only conforms to the principles of mechanics but also enhances the product's visual appeal, providing a better user experience.

[0045] In one embodiment, the main bracket 1 includes a positioning plate 11 and a connecting plate 12 . The connecting plate 12 is rotatably connected to the positioning plate 11 , and the first folding member 2 is connected to the connecting plate 12 .

[0046] In this embodiment, the main bracket 1 adopts a combined structure of a positioning plate 11 and a connecting plate 12, the connecting plate 12 is rotatably connected to the positioning plate 11, and the first support arm 3 is rotatably connected through the connecting plate 12. This structural design makes the main bracket 1 have higher stability when supporting the equipment. At the same time, the rotation design of the connecting plate 12 makes it easier to adjust the angle of the folding bracket to support different equipment. In addition, by setting the positioning plate 11 and the connecting plate 12, the folding bracket can have two supporting states: (1) The first supporting state: the positioning plate 11 and the connecting plate 12 together form a supporting surface, the equipment is located on one side of the supporting surface, the first support arm 3, the second support arm 5 and the placement plate 4 are bent and supported on the other side of the supporting surface, at this time, the two first support arms 3 and the two second support arms 5 form an X-shaped support structure (that is, the two first support arms 3 and the support surface form a stable upper triangular structure, and the two second support arms 5 and the placement plate 4 form a stable lower triangular structure), ensuring the overall stability of the folding bracket. (2) The second support state: the positioning plate 11 tilts toward the side of the connecting plate 12 away from the support arm, and the first support arm 3, the second support arm 5 and the placement plate 4 are bent in the opposite direction, so that the positioning plate 11 and the outer edges of the two first support arms 3 together form a support surface, and the placement plate 4 is attached to the desktop, and the connecting plate 12 and the second support plate support the support surface. Although the positioning plate 11 and the connecting plate 12 are unfolded differently in the second support state, the two first support arms 3 and the two second support arms 5 still maintain an X-shaped support structure to ensure that the device is stably supported. Due to the two support states and flexible angle adjustment of the folding stand, the folding stand can support devices of various angles, such as electronic devices of different sizes and thicknesses (such as laptops, monitors, etc.). The design of the positioning plate 11 and the connecting plate 12 enables the folding stand to easily adapt to the placement requirements of different devices. In the first support state, the support surface of the folding stand is suitable for placing relatively heavy devices and can withstand large loads; while in the second support state, the folding stand is suitable for tilting the device to provide a more comfortable viewing or operating angle. These designs make the folding stand not only suitable for different devices, but also provide convenient and reliable support in a variety of usage scenarios.

[0047] In addition, when the folding stand is in the folded state, the main stand 1 and the placement plate 4 are in the same plane, and the first support arm 3 and the second support arm 5 are in contact with the plane where the main stand 1 and the placement plate 4 are located. That is, when the folding stand is in the folded state, all components are in a flat state with no protruding parts. This not only optimizes the folding state of the folding stand, making it smaller and easier to store and carry, but also makes the folding and unfolding process smooth and fast, improving the convenience and efficiency of use, and also enhancing the aesthetics and durability of the folding stand. Such a design provides great convenience and is particularly suitable for scenarios that require frequent storage and carrying, such as mobile office, travel, home storage, etc. By achieving a compact folding method and reasonable space utilization, the folding stand can provide users with a better user experience while improving storage efficiency and service life.

[0048] In one embodiment, the connecting plate 12 is provided with a first reinforcing portion 121 , and the first folding member 2 is connected to the first reinforcing portion 121 .

[0049] Specifically, the first support arm 3 is connected to the first reinforcement 121 via the first folding member 2. The design of the first reinforcement 121 enhances the structural strength of the connecting plate 12, allowing the folding stand to better distribute the force when supporting heavy objects, preventing the folding stand from becoming unstable or breaking due to insufficient strength at the connection. Therefore, the folding stand can stably support the device and provide greater safety. During long-term use, the connection between the connecting plate 12 and the first support arm 3 may be subjected to repeated bending and pressure. The provision of the first reinforcement 121 allows the connecting plate 12 to distribute the pressure more evenly when subjected to force, avoiding localized stress concentration, preventing material fatigue and deformation, and extending the service life of the folding stand. The first support arm 3 is pivotally connected to the first reinforcement 121 via the first folding member 2. This design reduces friction and wear at the connection point, preventing loosening between the first support arm 3 and the connecting plate 12. The first reinforcement 121 effectively ensures the stability of the pivoting portion during the frequent unfolding and folding of the folding stand. The addition of the first reinforcement portion 121 helps the first support arm 3 to rotate and connect more smoothly, avoiding uneven friction or jamming caused by insufficient strength of the connection part, so that the user can easily unfold and fold the bracket during use, thereby improving convenience of use.

[0050] In one embodiment, the placement plate 4 is provided with a second reinforcement portion 41 , and the second folding member 6 is connected to the second reinforcement portion 41 .

[0051] Specifically, the second support arm 5 is connected to the second reinforcement part 41 through the second folding part 6. The design of the second reinforcement part 41 is similar to the first reinforcement part 121, and its main function is to enhance the structural strength of the placement plate 4. In the folding bracket, the connection between the second support arm 5 and the placement plate 4 needs to withstand the weight of the folding bracket when it is unfolded and the stability requirements during use. By providing the second reinforcement part 41 on the placement plate 4, the strength of the placement plate 4 can be increased, so that the folding bracket can better support the equipment and prevent deformation or damage. The second support arm 5 is rotatably connected to the second reinforcement part 41 through the second folding part 6. The second reinforcement part 41 is used to enhance the firmness of the connection, ensure that the connection between the placement plate 4 and the second support arm 5 can withstand the load of the folding bracket, and avoid uneven friction or jamming caused by insufficient strength of the connection part, so that the user can easily unfold and fold the bracket during use, thereby improving the convenience of use.

[0052] In one embodiment, the first support arm 3 and the second support arm 5 are both triangular in shape; or, the first support arm 3 and the second support arm 5 are both trapezoidal in shape.

[0053] Specifically, the shape of the first support arm 3 and the second support arm 5 is designed to be a triangle or a trapezoid. The geometric shapes of the triangle and the trapezoid can effectively disperse the load and avoid local force concentration, thereby improving the stability and carrying capacity of the folding bracket. When carrying heavier objects, the structure of the support arm can better cope with the pressure from the weight of the equipment, ensuring that the folding bracket is not easy to tilt or overturn. By optimizing the shape of the support arm, the folding bracket can support the equipment more stably, reduce component wear or deformation caused by uneven force, and thus extend the service life of the folding bracket. Both the triangular and trapezoidal structures conform to the principles of mechanics, making it easier for the folding bracket to withstand an unbalanced center of gravity during use, reducing shaking or tilting, and ensuring stable placement of the equipment.

[0054] More specifically, the shapes of the first support arm 3 and the second support arm 5 are both right-angled triangles; or, the shapes of the first support arm 3 and the second support arm 5 are both right-angled trapezoids; the shapes of the first reinforcement portion 121 and the second reinforcement portion 41 correspond to the shapes of the first support arm 3 and the second support arm 5, respectively.

[0055] The right-angled triangle or right-angled trapezoidal support arm design improves the stability of the first support arm 3 and the second support arm 5, effectively dispersing the pressure on the first support arm 3 and the second support arm 5, avoiding local stress concentration, and thus improving the overall load-bearing capacity and stability of the folding bracket. The right-angled design of the first support arm 3 and the second support arm 5 increases resistance to external impact, making the folding bracket more durable and reducing deformation or loosening caused by external forces. The matching shapes of the first reinforcement portion 121 and the second reinforcement portion 41 ensure the stability of the connection between the first support arm 3 and the first reinforcement portion 121, and the second support arm 5 and the second reinforcement portion 41, ensuring that the folding bracket remains stable during long-term use and is not prone to loosening or fatigue. The matching design of the support arm and the reinforcement portion makes the connection more precise, reduces friction and wear between the contact surfaces, and avoids structural loosening caused by frequent folding and unfolding. The enhanced support force and force distribution design can effectively improve the load-bearing capacity of the folding bracket, ensuring that the folding bracket remains stable and reliable under high-load environments. The beneficial effects of this design are directly reflected in the durability and applicability of the folding bracket, so that the folding bracket can be used for a long time without being easily damaged.

[0056] More specifically, the connection between the connecting plate 12 and the placement plate 4, the connection between the first reinforcement part 121 and the second reinforcement part 41, and the connection between the first support arm 3 and the second support part are all arranged along the same straight line, and the connection between the positioning plate 11 and the connecting plate 12 is parallel to the straight line.

[0057] By arranging the connection between the connecting plate 12 and the placement plate 4, the connection between the first reinforcement portion 121 and the second reinforcement portion 41, and the connection between the first support arm 3 and the second support portion along the same straight line, and by designing the connection between the positioning plate 11 and the connecting plate 12 to be parallel to the straight line, the overall stability of the folding bracket after unfolding is ensured. This structural design ensures that the folding bracket can provide a balanced force distribution when supporting the equipment, making it less likely for the folding bracket to tilt or become unstable due to external forces or unbalanced loads, and enhancing the structural symmetry of the folding bracket, making the folding bracket smoother when unfolding and folding, reducing abnormal wear or pressure concentration caused by structural asymmetry, and making the force on the folding bracket more uniform, which helps to extend the service life. In addition, arranging the connection along a straight line simplifies the design, makes the manufacturing and assembly process smoother, reduces the complexity and cost of production, and improves production efficiency due to the symmetrical and precisely aligned structure. In addition, the connection between the connecting plate 12 and the placement plate 4, the connection between the first reinforcement part 121 and the second reinforcement part 41, the connection between the first support arm 3 and the second support part, and the connection between the positioning plate 11 and the connecting plate 12 are all provided with a third folding part 7. The presence of the third folding part 7 allows the folding bracket to be more flexibly unfolded and folded during use, so that the folding bracket can be folded into a compact shape, and can also form a stable support structure when unfolded, and can also optimize the mechanical properties and structural stability, ensuring the stability and durability of the folding bracket when supporting the equipment.

[0058] In one embodiment, a magnetic element (not shown) is provided on the positioning plate 11 .

[0059] Specifically, the magnetic design allows the positioning plate 11 to be easily adsorbed and fixed to the device, thereby enhancing the stability and supporting force of the folding bracket and ensuring that the folding bracket does not slide or loosen during the support process. In addition, the magnetic design also makes the folding bracket easier to store, and the user can easily fix the folding bracket in any suitable position. Furthermore, the entire skeleton of the folding bracket can be made of magnetic material, thereby improving the portability and stability of the folding bracket during storage and use, especially when folding, storing or adjusting the angle, it can automatically adsorb or maintain a stable position, making the folding bracket more firm and reliable. It is understandable that in other embodiments, the skeleton material of the folding bracket can also be made of other metals, plastics or even wood.

[0060] In a specific embodiment, the outer peripheries of the main support 1 , the placement plate 4 , the first support arm 3 and the second support arm 5 are all provided with an anti-slip layer (not shown in the figure).

[0061] Specifically, the anti-slip layer effectively improves the stability and safety of the folding stand. When the device is placed on the folding stand, the anti-slip layer contacts the surface of the mobile power supply, which can increase friction, further enhance the stability of the device on the folding stand, and prevent it from sliding on the folding stand. It also effectively prevents the folding stand from sliding on the desktop and leaving scratches on the desktop. In addition, the anti-slip layer can also beautify and protect the appearance of the folding stand. It can cover the metal or plastic frame of the folding stand to avoid the risk of scratches caused by the exposed frame, while giving the folding stand a more refined appearance. Moreover, the anti-slip layer can be available in a variety of colors and textures to meet the personalized needs of different users, making the folding stand not only a practical tool, but also a beautiful desktop decoration. It is understandable that in different embodiments, the material of the anti-slip layer can be soft silicone or fine-textured leather, etc.

[0062] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of protection of the present invention.

Claims

1. A folding bracket, characterized in that: include: A main bracket, a first folding piece and a first support arm, one side of the first folding piece is connected to the main bracket, and the other side is connected to the first support arm, so that a foldable state is formed between the main bracket and the first support arm, and the first folding piece is set at an angle.

2. The folding bracket according to claim 1, characterized in that: The number of the first support arms is two, and the two groups of the first support arms are symmetrically arranged.

3. The folding bracket according to claim 1, characterized in that: The bottom end of the main bracket is rotatably connected to a placement plate.

4. The folding bracket according to claim 3, characterized in that: One end of the first supporting arm away from the first folding member is rotatably connected to the second supporting arm, and one end of the second supporting arm away from the first supporting arm is rotatably connected to the placement plate.

5. The folding bracket according to claim 4, characterized in that: A second folding piece is provided between the placement plate and the second support arm. One side of the second folding piece is connected to the placement plate, and the other side is connected to the second support arm. The second folding piece is arranged obliquely.

6. The folding bracket according to claim 1, characterized in that: The main bracket includes a positioning plate and a connecting plate, the connecting plate is rotatably connected to the positioning plate, and the first folding member is connected to the connecting plate.

7. The folding bracket according to claim 6, characterized in that: The connecting plate is provided with a first reinforcement portion, and the first folding piece is connected to the first reinforcement portion.

8. The folding bracket according to claim 3, characterized in that: The placement plate is provided with a second reinforcement portion, and the second folding piece is connected to the second reinforcement portion.

9. The folding bracket according to claim 6, characterized in that: The positioning plate is provided with a magnetic element.

10. The folding bracket according to claim 4, characterized in that: The first support arm and the second support arm are both triangular in shape; or the first support arm and the second support arm are both trapezoidal in shape.

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