Foldable support and protective shell

Abstract

The utility model relates to the technical field of electronic equipment accessories, in particular to a foldable support and a protective shell. When the main supporting plate and the auxiliary supporting plate of the foldable support are in an unfolded state, the supporting part is turned over towards the auxiliary supporting plate and abuts against the auxiliary supporting plate, and the limiting part is turned over upwards relative to the supporting part and fixed in the limiting groove. When the main supporting plate and the auxiliary supporting plate are opened to a proper angle, the two ends of the supporting plate of the limiting piece abut against the main supporting plate and the auxiliary supporting plate respectively to play a supporting role, the main supporting plate, the auxiliary supporting plate and the limiting piece form a stable triangular supporting structure, the support can effectively resist force in all directions, and it is guaranteed that the whole structure is more stable and firmer. The first magnetic attraction piece and the second magnetic attraction piece are matched to limit the opening angle of the main supporting plate and the auxiliary supporting plate, and the main supporting plate and the auxiliary supporting plate are prevented from continuously sliding towards the two sides after being stressed. And through cooperation of the limiting pieces and the limiting grooves, the main supporting plate and the auxiliary supporting plate are further locked and supported, and the firmness and stability of the support are improved.

Description

[Technical Field]

[0001] This utility model relates to the field of electronic device accessories technology, and in particular to a foldable bracket and protective case. [Background Technology]

[0002] With the widespread adoption of smartphones and the continuous expansion of mobile device usage scenarios, phone stands, as a convenient auxiliary tool, have been widely used in office, entertainment, and video call scenarios. Foldable phone stands, with their portability, lightweight design, and adjustable angles, have become one of the mainstream stand types on the market. Their structural design typically consists of several foldable components, allowing for various usage modes through rotation, folding, and angle adjustment.

[0003] However, existing foldable brackets still have some technical problems that need to be solved in actual use, especially in terms of the stability of the support plates. Although some brackets can provide a certain angle adjustment and folding function, during the support process, especially when supporting heavy equipment, the support plates lack sufficient support force, which makes the overall structure prone to deformation or shaking, thus affecting the stability of the bracket. [Utility Model Content]

[0004] To address the technical problem of poor stability in existing foldable brackets, this utility model provides a foldable bracket and a protective shell.

[0005] The present invention provides a foldable bracket, comprising a rotatably connected support plate and a back plate. The support plate includes a main support plate and an auxiliary support plate that can be opened at an angle. The main support plate is provided with a limiting member, which includes a flexibly connected support part and a limiting part. The auxiliary support plate has a limiting groove. The limiting part and the limiting groove are respectively provided with a first magnetic attractor and a second magnetic attractor that can attract each other. When the main support plate and the auxiliary support plate are in the opened state, the support part folds towards the auxiliary support plate and abuts against the auxiliary support plate, and the limiting part folds upward relative to the support part and is fixed in the limiting groove.

[0006] Preferably, the main support plate has a placement groove, and when the main support plate and the auxiliary support plate are in a closed state, the limiting member is placed in the placement groove.

[0007] Preferably, the support plate and the back plate are connected by a damping shaft.

[0008] Preferably, a bendable connecting portion is provided between the support plate and the back plate. The thickness of the ends of the support plate and the back plate near the connecting portion gradually decreases to form a clearance portion. When the support plate and the back plate are in a closed state, the connecting portion bends and surrounds the clearance portion to form an accommodating space, and the damping shaft is placed in the accommodating space.

[0009] Preferably, a first adsorption magnet is provided on the back plate.

[0010] Preferably, the auxiliary support plate is provided with a second adsorption magnet.

[0011] Preferably, the main support plate is provided with a fixing plate, and the auxiliary support plate is hinged to the fixing plate.

[0012] Preferably, the thickness of the fixing plate and the auxiliary support plate are the same.

[0013] Preferably, the fixing plate is flush with the end of the main support plate near the back plate, and the sum of the lengths of the fixing plate and the auxiliary support plate is the same as the length of the main support plate.

[0014] To solve the above-mentioned technical problems, this utility model provides another technical solution as follows: a protective shell, including a main body and a back cover, wherein the back cover is provided with the above-mentioned foldable bracket.

[0015] Compared with the prior art, the foldable bracket and protective shell provided by this utility model have the following advantages:

[0016] 1. In the foldable bracket provided in this embodiment of the utility model, when the main support plate and the auxiliary support plate are opened to a suitable angle, the two ends of the support plate of the limiting member abut against the main support plate and the auxiliary support plate respectively, providing support. The three form a stable triangular support structure, which can effectively resist forces in all directions, ensuring that the overall structure is more stable and robust. The cooperation of the first magnetic suction member and the second magnetic suction member can limit the opening angle of the main support plate and the auxiliary support plate, preventing them from continuing to slide to both sides after being subjected to force. The cooperation of the limiting member and the limiting groove further locks and supports the main support plate and the auxiliary support plate, improving the robustness and stability of the bracket.

[0017] 2. The foldable bracket provided in this embodiment of the utility model has a placement groove on the main support plate. When the main support plate and the auxiliary support plate are in a closed state, the limiting member is placed in the placement groove. This design allows for excellent storage of the limiting member, reducing the size of the foldable bracket and improving portability and aesthetics. Simultaneously, the support plate is rotatable relative to the back plate. When the main support plate and the auxiliary support plate are in a closed state, the limiting member is hidden in the placement groove, making the support plate a regular and smooth whole. This allows it to function as a stable support base, increasing the versatility of the foldable bracket.

[0018] 3. In the embodiments of this utility model, the foldable bracket has a support plate and a back plate connected by a damping pivot. The design of the damping pivot ensures that the support plate and the back plate are more stable when adjusting the angle, avoiding sudden jumping or excessively rapid drop of the back plate during adjustment. This allows users to adjust the support angle of the foldable bracket more accurately and smoothly, providing a better user experience.

[0019] 4. The foldable bracket provided in this embodiment of the utility model has a bendable connecting part between the support plate and the back plate. The thickness of the support plate and the back plate gradually decreases near the connecting part to form a clearance portion. When the support plate and the back plate are in a closed state, the connecting part bends and encloses the clearance portion to form an accommodating space, in which the damping shaft is placed. This design allows the damping shaft to be hidden in the accommodating space when the support plate and the back plate are closed, avoiding the accumulation of external dust and stains, and facilitating cleaning and maintenance. At the same time, the hidden design of the damping shaft makes the entire foldable bracket more compact when folded, making the folded bracket more concise and streamlined in appearance, avoiding external protruding or abrupt components, and reducing the foreign object feeling when users hold electronic devices.

[0020] 5. The foldable bracket provided in this embodiment of the present invention has a first adsorption magnet on the back plate for magnetically fixing the device to be supported. This design allows users to easily and quickly place or remove the device to be supported, avoiding the cumbersome clamping or adjustment process required by traditional brackets. Moreover, the first adsorption magnet design makes it easier to adjust the angle and position of the device to be supported, providing a more flexible user experience.

[0021] 6. The foldable bracket provided in this embodiment of the present invention has a second adsorption magnet on the auxiliary support plate. The adsorption characteristics of the second adsorption magnet allow the foldable bracket to be easily adsorbed onto a magnetic surface, such as a car mount or a magnetic wall surface. This allows users to flexibly change the usage position of the foldable bracket in different scenarios, and it can be quickly installed and disassembled without additional fixing devices, thus improving ease of use.

[0022] 7. The foldable bracket provided in this embodiment of the utility model has a fixed plate on the main support plate and an auxiliary support plate hinged to the fixed plate. The fixed plate increases the reliability and stability of the connection between the main support plate and the auxiliary support plate, and also makes it easier to achieve the foldable configuration of the two.

[0023] 8. In the foldable bracket provided in this embodiment of the utility model, the thickness of the fixing plate and the auxiliary support plate are the same. A natural notch is formed between the fixing plate and the main support plate. When the main support plate and the auxiliary support plate are in a closed state, the auxiliary support plate is placed in this notch. The thickness of the fixing plate and the auxiliary support plate are the same, ensuring that the surface of the support plate is flat and can play a supporting role in an overall form, which increases the usability and aesthetics of the foldable bracket.

[0024] 9. In the foldable bracket provided in this embodiment of the utility model, the fixing plate is flush with the end of the main support plate near the back plate, and the sum of the lengths of the fixing plate and the auxiliary support plate is the same as the length of the main support plate. This design ensures that the support plate formed when the main support plate and the auxiliary support plate are closed is more regular and aesthetically pleasing, while also being more compact and portable.

[0025] 10. The protective shell provided in this embodiment of the present invention includes a main body and a back cover, and the back cover is provided with the aforementioned foldable bracket. This protective shell has all the beneficial effects of the foldable bracket, which will not be elaborated further here. [Attached Image Description]

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model, 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.

[0027] Figure 1 This is a three-dimensional schematic diagram of the foldable bracket provided in the first embodiment of this utility model. Figure 1 .

[0028] Figure 2 This is a three-dimensional schematic diagram of the foldable bracket provided in the first embodiment of this utility model. Figure 2 .

[0029] Figure 3 This is a three-dimensional schematic diagram of the main support plate and auxiliary support plate of the foldable bracket provided in the first embodiment of the present invention in a closed state.

[0030] Figure 4 yes Figure 3 A magnified view of A in the middle.

[0031] Figure 5This is a three-dimensional schematic diagram of the foldable bracket provided in the first embodiment of the present invention, in which the support plate and back plate are in a closed state.

[0032] Figure 6 This is a cross-sectional schematic diagram of the foldable bracket provided in the first embodiment of this utility model.

[0033] Figure 7 This is a three-dimensional schematic diagram of the foldable bracket provided in the first embodiment of this utility model. Figure 3 .

[0034] Figure 8 This is a three-dimensional schematic diagram of the protective shell provided in the second embodiment of this utility model. Figure 1 .

[0035] Figure 9 This is a three-dimensional schematic diagram of the protective shell provided in the second embodiment of this utility model. Figure 2 .

[0036] Explanation of reference numerals in the attached diagram:

[0037] 1. Foldable stand; 2. Protective case;

[0038] 10. Support plate; 11. Back plate; 12. Main support plate; 13. Auxiliary support plate; 14. Limiting component; 15. Damping pivot; 16. Connecting part; 17. Accommodation space; 18. Fixing plate; 19. Clearance part;

[0039] 111. First magnetic magnet; 112. Magnetic ring; 113. Magnetic block; 121. Placement slot; 131. Limiting slot; 132. Second magnetic component; 133. Second magnetic magnet; 141. Support part; 142. Limiting part; 143. First magnetic component.

Detailed Implementation Methods

[0040] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the scope of the present utility model.

[0041] It should be noted that when a component is said to be "fixed to" another component, it can be directly attached to the other component or there may be an intervening component. When a component is said to be "connected to" another component, it can be directly connected to the other component or there may be an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0042] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0043] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0044] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0045] Please combine Figure 1 and Figure 2 The first embodiment of this utility model provides a foldable bracket 1, including a support plate 10 and a back plate 11 that are rotatably connected. The support plate 10 includes a main support plate 12 and an auxiliary support plate 13 that can be opened at an angle. The main support plate 12 is provided with a limiting member 14, which includes a support part 141 and a limiting part 142 that are flexibly connected. A limiting groove 131 is formed on the auxiliary support plate 13. A first magnetic attractor 143 and a second magnetic attractor 132 that can attract each other are respectively provided in the limiting part 142 and the limiting groove 131. When the main support plate 12 and the auxiliary support plate 13 are in the opened state, the support part 141 folds towards the auxiliary support plate 13 and abuts against the auxiliary support plate 13. The limiting part 142 folds upward relative to the support part 141 and is fixed in the limiting groove 131.

[0046] Understandably, the backplate 11 is used to fix electronic devices. The main support plate 12 and the auxiliary support plate 13 of the support plate 10 are angled to form a support structure to support the backplate 11 and the electronic devices placed on the backplate 11. When the main support plate 12 and the auxiliary support plate 13 are opened to a suitable angle, the limiting member 14 folds towards the auxiliary support plate 13, so that the two ends of the support part 141 abut against the main support plate 12 and the auxiliary support plate 13 respectively, providing support for the main support plate 12 and the auxiliary support plate 13. The three form a stable triangular support structure, which allows the bracket as a whole to effectively resist forces in all directions, ensuring greater stability and sturdiness when supporting electronic devices.

[0047] Understandably, the cooperation of the first magnetic clasp 143 and the second magnetic clasp 132 not only fixes the limiting member 14, but also limits the opening angle of the main support plate 12 and the auxiliary support plate 13, preventing them from continuing to slide to both sides under force. The cooperation of the limiting member 14 and the limiting groove 131 further locks and supports the main support plate 12 and the auxiliary support plate 13, improving the overall firmness and stability of the bracket.

[0048] Understandably, the first magnetic member 143 and the second magnetic member 132 may be either magnets or both magnets.

[0049] Understandably, the limiting member 14 and the main support plate 12 should be rotatably connected. Preferably, the limiting member 14 and the main support plate 12 are integrally formed, and the connection between the limiting member 14 and the main support plate 12 is a flexible connection, which ensures the flexibility of the limiting member 14 in folding and also eliminates the need for connecting elements, making the overall structure simpler.

[0050] Optionally, the support portion 141 of the limiting member 14 is a telescopic structure. When the main support plate 12 and the auxiliary support plate 13 are opened to different angles, the telescopic design of the support portion 141 allows the limiting member 14 to still play a supporting and locking role, enhancing the adjustment flexibility and stability of the foldable bracket 1, making it convenient for users to accurately adjust the height of the bracket according to their needs, and improving the user experience and ease of operation.

[0051] Please combine Figure 2 and Figure 3 The main support plate 12 has a placement groove 121. When the main support plate 12 and the auxiliary support plate 13 are in a closed state, the limiting member 14 is placed in the placement groove 121.

[0052] Understandably, when the main support plate 12 and the auxiliary support plate 13 are in a closed state, the limiting groove 131 can effectively store the limiting component 14, reduce the volume of the foldable bracket 1, and improve portability and aesthetics.

[0053] Understandably, when the main support plate 12 and the auxiliary support plate 13 are closed, the limiting member 14 is hidden in the placement groove 121, and the support plate 10 becomes a regular and smooth whole without the interference of the limiting member 14. The support plate 10 is rotatable relative to the back plate 11, and the support plate 10 can serve as a support seat in an integral form, continuing to play a stable supporting role, thus increasing the usability of the foldable bracket 1.

[0054] Furthermore, the support plate 10 and the back plate 11 are connected by a damping shaft 15.

[0055] Understandably, the design of the damping pivot 15 ensures that the support plate 10 and the back plate 11 are more stable when adjusting the angle, and avoids the back plate 11 from suddenly jumping or falling too fast during adjustment, so that users can adjust the support angle of the foldable bracket 1 more accurately and smoothly, providing a better user experience.

[0056] Please combine Figures 3 to 6 A bendable connecting part 16 is provided between the support plate 10 and the back plate 11. The thickness of the support plate 10 and the back plate 11 near the connecting part 16 gradually decreases to form a relief part 19. When the support plate 10 and the back plate 11 are in a closed state, the connecting part 16 bends and surrounds the relief part 19 to form an accommodating space 17, and the damping shaft is placed in the accommodating space 17.

[0057] Understandably, when the support plate 10 and the back plate 11 are closed, the damping hinge 15 is hidden in the receiving space 17, preventing the accumulation of external dust and stains and facilitating cleaning and maintenance. At the same time, the hidden design of the damping hinge 15 makes the entire foldable bracket 1 more compact when folded, resulting in a simpler and smoother appearance of the folded bracket, avoiding external protruding or obtrusive components, and reducing the feeling of foreign objects when users hold electronic devices.

[0058] Please continue reading. Figure 5 A first adsorption magnet 111 is provided on the back plate 11.

[0059] Understandably, the first magnetic magnet 111 is used to magnetically fix the device to be supported. This design allows users to easily and quickly place or remove the device to be supported, avoiding the cumbersome clamping or adjustment process required by traditional brackets. Moreover, the design of the first magnetic magnet 111 makes it easier to adjust the angle and position of the device to be supported, providing a more flexible user experience.

[0060] Optionally, the first magnetic magnet 111 includes a magnetic ring 112 and a magnetic block 113. The magnetic ring 112 is positioned above the magnetic block 113. The magnetic ring 112 helps improve the distribution of the magnetic field, making the adsorption more uniform. The magnetic block 113 provides a strong adsorption force, allowing the phone to be firmly attached to the holder without easily slipping or becoming unstable.

[0061] Please refer to further information. Figure 7 A second adsorption magnet 133 is provided on the auxiliary support plate 13.

[0062] Understandably, when the foldable bracket 1 is installed, the back plate 11 is magnetically connected to the electronic device via the first magnetic magnet 111. The main support plate 12 is located between the back plate 11 and the auxiliary support plate 13. When the foldable bracket 1 is in a closed state, the auxiliary support plate 13 is located on the side furthest from the electronic device. By providing a second magnetic magnet 133 on the auxiliary support plate 13, the foldable bracket 1 can be magnetically attached to a magnetic surface, such as a car mount or a magnetic wall surface. This allows users to flexibly change the usage position of the foldable bracket 1 in different scenarios, and allows for quick installation and disassembly without additional fixing devices, improving ease of use.

[0063] Furthermore, the end of the support plate 10 away from the back plate 11 is provided with an anti-slip structure.

[0064] Understandably, the anti-slip structure can increase the friction between the support plate 10 and the support surface, prevent slippage or tilting, and ensure the stability of the support.

[0065] Optionally, the anti-slip structure can be an anti-slip sleeve, such as a silicone sleeve or a rubber sleeve, provided at the end of the support plate 10; or it can be an anti-slip texture, such as a wavy pattern, a grid, or stripes, provided on the support plate 10.

[0066] Please continue reading. Figure 7 A fixing plate 18 is provided on the main support plate 12, and the auxiliary support plate 13 is hinged to the fixing plate 18.

[0067] Understandably, the setting of the fixing plate 18 can increase the reliability and stability of the connection between the main support plate 12 and the auxiliary support plate 13, and at the same time make it easier to realize the openable and foldable setting of the main support plate 12 and the auxiliary support plate 13.

[0068] Furthermore, the thickness of the fixing plate 18 is the same as that of the auxiliary support plate 13.

[0069] Understandably, the size of the fixing plate 18 should be smaller than that of the main support plate 12. The fixing plate 18 is positioned such that a natural gap is formed between the fixing plate 18 and the main support plate 12. When the main support plate 12 and the auxiliary support plate 13 are in a closed state, the auxiliary support plate 13 is placed within this gap. The fixing plate 18 and the auxiliary support plate 13 have the same thickness, ensuring that the surface of the support plate 10 is flat and smooth after the main support plate 12 and the auxiliary support plate 13 are closed, allowing it to continue to provide support in an integrated form, thus increasing the usability and aesthetics of the foldable bracket 1.

[0070] Furthermore, the fixing plate 18 is flush with the end of the main support plate 12 near the back plate 11, and the sum of the lengths of the fixing plate 18 and the auxiliary support plate 13 is the same as the length of the main support plate 12.

[0071] Understandably, this design ensures that the support plate 10 formed when the main support plate 12 and the auxiliary support plate 13 are closed is more regular and aesthetically pleasing, while also being more compact and portable.

[0072] Please combine Figure 8 and Figure 9 The second embodiment of this utility model provides a protective shell 2, which includes a main body and a back cover, and the back cover is provided with the aforementioned foldable bracket 1.

[0073] Understandably, the protective shell 2 of this embodiment has all the beneficial effects of the foldable bracket 1 described above, and will not be repeated here.

[0074] Compared with the prior art, the foldable bracket and protective shell provided by this utility model have the following advantages:

[0075] 1. In the foldable bracket provided in this embodiment of the utility model, when the main support plate and the auxiliary support plate are opened to a suitable angle, the two ends of the support plate of the limiting member abut against the main support plate and the auxiliary support plate respectively, providing support. The three form a stable triangular support structure, which can effectively resist forces in all directions, ensuring that the overall structure is more stable and robust. The cooperation of the first magnetic suction member and the second magnetic suction member can limit the opening angle of the main support plate and the auxiliary support plate, preventing them from continuing to slide to both sides after being subjected to force. The cooperation of the limiting member and the limiting groove further locks and supports the main support plate and the auxiliary support plate, improving the robustness and stability of the bracket.

[0076] 2. The foldable bracket provided in this embodiment of the utility model has a placement groove on the main support plate. When the main support plate and the auxiliary support plate are in a closed state, the limiting member is placed in the placement groove. This design allows for excellent storage of the limiting member, reducing the size of the foldable bracket and improving portability and aesthetics. Simultaneously, the support plate is rotatable relative to the back plate. When the main support plate and the auxiliary support plate are in a closed state, the limiting member is hidden in the placement groove, making the support plate a regular and smooth whole. This allows it to function as a stable support base, increasing the versatility of the foldable bracket.

[0077] 3. In the embodiments of this utility model, the foldable bracket has a support plate and a back plate connected by a damping pivot. The design of the damping pivot ensures that the support plate and the back plate are more stable when adjusting the angle, avoiding sudden jumping or excessively rapid drop of the back plate during adjustment. This allows users to adjust the support angle of the foldable bracket more accurately and smoothly, providing a better user experience.

[0078] 4. The foldable bracket provided in this embodiment of the utility model has a bendable connecting part between the support plate and the back plate. The thickness of the support plate and the back plate gradually decreases near the connecting part to form a clearance portion. When the support plate and the back plate are in a closed state, the connecting part bends and encloses the clearance portion to form an accommodating space, in which the damping shaft is placed. This design allows the damping shaft to be hidden in the accommodating space when the support plate and the back plate are closed, avoiding the accumulation of external dust and stains, and facilitating cleaning and maintenance. At the same time, the hidden design of the damping shaft makes the entire foldable bracket more compact when folded, making the folded bracket more concise and streamlined in appearance, avoiding external protruding or abrupt components, and reducing the foreign object feeling when users hold electronic devices.

[0079] 5. The foldable bracket provided in this embodiment of the present invention has a first adsorption magnet on the back plate for magnetically fixing the device to be supported. This design allows users to easily and quickly place or remove the device to be supported, avoiding the cumbersome clamping or adjustment process required by traditional brackets. Moreover, the first adsorption magnet design makes it easier to adjust the angle and position of the device to be supported, providing a more flexible user experience.

[0080] 6. The foldable bracket provided in this embodiment of the present invention has a second adsorption magnet on the auxiliary support plate. The adsorption characteristics of the second adsorption magnet allow the foldable bracket to be easily adsorbed onto a magnetic surface, such as a car mount or a magnetic wall surface. This allows users to flexibly change the usage position of the foldable bracket in different scenarios, and it can be quickly installed and disassembled without additional fixing devices, thus improving ease of use.

[0081] 7. The foldable bracket provided in this embodiment of the utility model has a fixed plate on the main support plate and an auxiliary support plate hinged to the fixed plate. The fixed plate increases the reliability and stability of the connection between the main support plate and the auxiliary support plate, and also makes it easier to achieve the foldable configuration of the two.

[0082] 8. In the foldable bracket provided in this embodiment of the utility model, the thickness of the fixing plate and the auxiliary support plate are the same. A natural notch is formed between the fixing plate and the main support plate. When the main support plate and the auxiliary support plate are in a closed state, the auxiliary support plate is placed in this notch. The thickness of the fixing plate and the auxiliary support plate are the same, ensuring that the surface of the support plate is flat and can play a supporting role in an overall form, which increases the usability and aesthetics of the foldable bracket.

[0083] 9. In the foldable bracket provided in this embodiment of the utility model, the fixing plate is flush with the end of the main support plate near the back plate, and the sum of the lengths of the fixing plate and the auxiliary support plate is the same as the length of the main support plate. This design ensures that the support plate formed when the main support plate and the auxiliary support plate are closed is more regular and aesthetically pleasing, while also being more compact and portable.

[0084] 10. The protective shell provided in this embodiment of the present invention includes a main body and a back cover, and the back cover is provided with the aforementioned foldable bracket. This protective shell has all the beneficial effects of the foldable bracket, which will not be elaborated further here.

[0085] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A foldable bracket, characterized in that: The device includes a rotatably connected support plate and a back plate. The support plate includes a main support plate and an auxiliary support plate that can open at an angle. The main support plate is provided with a limiting member, which includes a flexibly connected support part and a limiting part. The auxiliary support plate has a limiting groove. The limiting part and the limiting groove are respectively provided with a first magnetic attractor and a second magnetic attractor that can attract each other. When the main support plate and the auxiliary support plate are in the opened state, the support part folds towards the auxiliary support plate and abuts against the auxiliary support plate. The limiting part folds upward relative to the support part and is fixed in the limiting groove.

2. The foldable bracket as described in claim 1, characterized in that: The main support plate has a placement groove. When the main support plate and the auxiliary support plate are in a closed state, the limiting member is placed in the placement groove.

3. The foldable bracket as described in claim 1, characterized in that: The support plate and the back plate are connected by a damping shaft.

4. The foldable bracket as described in claim 3, characterized in that: A bendable connecting part is provided between the support plate and the back plate. The thickness of the ends of the support plate and the back plate near the connecting part gradually decreases to form a clearance part. When the support plate and the back plate are in a closed state, the connecting part bends and surrounds the clearance part to form an accommodating space, and the damping shaft is placed in the accommodating space.

5. The foldable bracket as described in claim 1, characterized in that: The back plate is provided with a first adsorption magnet.

6. The foldable bracket as described in claim 1, characterized in that: A second adsorption magnet is provided on the auxiliary support plate.

7. The foldable bracket as described in claim 1, characterized in that: A fixing plate is provided on the main support plate, and the auxiliary support plate is hinged to the fixing plate.

8. The foldable bracket as described in claim 7, characterized in that: The thickness of the fixing plate is the same as that of the auxiliary support plate.

9. The foldable bracket as described in claim 7, characterized in that: The fixing plate is flush with the end of the main support plate near the back plate, and the sum of the lengths of the fixing plate and the auxiliary support plate is the same as the length of the main support plate.

10. A protective shell, characterized in that: It includes a main body and a back cover, wherein the back cover is provided with a foldable bracket as claimed in any one of claims 1-9.

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