Multi-angle adjustable mobile phone case built-in support

By designing heat dissipation grooves and mechanical linkage structures in the built-in bracket of the phone case, multi-angle adjustment of the bracket and efficient heat dissipation are achieved, solving the problem of low heat dissipation efficiency in existing technologies and improving the heat dissipation performance and ease of use of the phone under high load scenarios.

CN122476149APending Publication Date: 2026-07-28DONGGUAN JIAKANG ELECTRONIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
DONGGUAN JIAKANG ELECTRONIC TECH CO LTD
Filing Date
2026-05-07
Publication Date
2026-07-28

AI Technical Summary

Technical Problem

Existing multi-angle adjustable phone cases have built-in brackets that cannot be coordinated with the heat dissipation structure when unfolded, resulting in low heat dissipation efficiency of the phone under high load scenarios, and the heavy phone case hinders heat dissipation.

Method used

A multi-angle adjustable phone case built-in bracket was designed. By opening heat dissipation grooves on the side wall of the case and using a mechanical linkage structure composed of guide blocks and sliders, the cooling plate is pressed tightly against the phone for heat dissipation under the push of the spring. When the bracket is pulled, the cooling plate is suspended in the air to form an open heat dissipation channel. The position is locked by a locking block, realizing one-click storage and on-demand heat dissipation.

Benefits of technology

It improves the heat dissipation efficiency of mobile phones under high load scenarios, simplifies operation steps, enhances structural reliability, and extends the performance and battery life of mobile phones.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to the field of mobile phone accessory technology and discloses a multi-angle adjustable mobile phone case built-in bracket, including a housing. A heat dissipation groove is formed on the side wall of the housing. Multiple guide blocks are installed on the housing, and sliders are slidably mounted within the guide grooves. A spring is installed between the sliders and the inner wall of the guide grooves. Cooling plates are connected to the multiple sliders. Multiple moving slots are formed inside the housing, and locking blocks are fixedly connected to the moving blocks. A bracket is connected to the adjustment assembly. When the bracket is idle, the spring's thrust keeps the cooling plate in close contact with the phone for passive heat dissipation. When the bracket is pulled outwards, the cooling plate compresses the spring and slides out, thereby opening the heat dissipation grooves to form an open heat dissipation channel. Subsequently, the locking blocks and slots lock the suspended position of the cooling plate, achieving on-demand heat dissipation, which is beneficial for improving the heat dissipation efficiency and structural reliability of the mobile phone under high-load scenarios.
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Description

Technical Field

[0001] This invention relates to the field of mobile phone accessories technology, and in particular to a multi-angle adjustable mobile phone case built-in support. Background Technology

[0002] With the widespread use of smartphones, phone cases are not only used for protection, but their functionality is also increasingly valued. To facilitate users watching videos or making video calls, many phone cases integrate stand functions, thus requiring the development of a multi-angle adjustable phone case with a built-in stand.

[0003] A built-in phone case support refers to a product design where the support structure is directly integrated into the back panel of the phone case, rather than being attached externally by adhesive or magnets. The support structure and the phone case are manufactured as a single unit. When needed, the support can be pulled out of the case, rotated, or unfolded to form a triangular support or a grip ring through which fingers can pass. When not in use, it can be retracted, serving both to protect the phone and provide support.

[0004] Existing multi-angle adjustable phone cases with built-in stands can only perform simple stand expansion and angle adjustment when the stand is unfolded, but cannot cooperate with the heat dissipation structure to efficiently dissipate heat from the phone. The heavy phone case can easily hinder heat dissipation, resulting in low heat dissipation efficiency of the phone under high load scenarios. Summary of the Invention

[0005] To overcome the above shortcomings, the present invention provides a multi-angle adjustable built-in stand for mobile phone cases, which aims to improve the poor heat dissipation effect of existing built-in stands for mobile phone cases.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a multi-angle adjustable mobile phone case built-in bracket, comprising a housing, a heat dissipation groove formed on the side wall of the housing, multiple guide blocks installed on the housing, guide grooves formed in the guide blocks, sliders slidably mounted in the guide grooves, a spring installed between the sliders and the inner wall of the guide grooves, a cooling plate connected to the multiple sliders, the cooling plate being adapted to the structure of the heat dissipation grooves, multiple moving grooves formed in the housing, moving blocks slidably mounted in the moving grooves, a locking block fixedly connected to the moving block, a locking groove formed on the locking block, the thickness of the locking groove being adapted to the thickness of the cooling plate, an adjustment component installed on the cooling plate, and a bracket connected to the adjustment component.

[0007] According to the above technical solution, when the bracket is idle, the spring force keeps the cooling plate in close contact with the phone for passive heat dissipation. When the bracket is pulled outward, the cooling plate will compress the spring and slide out, thereby opening the heat dissipation slot to form an open heat dissipation channel. Then, the locking block and slot are used to lock the suspended position of the cooling plate. After use, the locking block is opened to unlock, and the cooling plate and bracket will automatically retract under the action of the spring force, realizing one-click storage. This structure combines the bracket unfolding with the efficient heat dissipation mode through mechanical linkage, realizing a closed loop of on-demand heat dissipation, quick locking and one-click reset, which is conducive to improving the heat dissipation efficiency and structural reliability of the mobile phone under high load scenarios.

[0008] Preferably, the adjustment component includes a positioning block, a limiting groove is formed in the positioning block, internal teeth are provided on the inner wall of the limiting groove, a limiting plate is slidably assembled in the limiting groove, an adjustment plate is installed on the limiting plate, external teeth are provided on the side wall of the adjustment plate, a fixing block is fixedly connected to the outer wall of the adjustment plate, a rod hole is formed in the fixing block, a rotating rod is rotatably assembled in the rod hole, and the rotating rod is fixedly connected to the bracket.

[0009] According to the above technical solution, by pulling the bracket outward, the fixing block drives the adjusting plate to disengage the outer teeth from the inner teeth of the limiting groove, thus achieving 360° rotational orientation adjustment of the bracket. Pressing the bracket re-engages the inner and outer teeth to lock the direction. Subsequently, the tilt angle of the bracket is adjusted by rotating the rotating rod within the fixing block, and the angle is kept stable by the damping friction of the rod hole. This structure, through simple pulling, rotating, and pressing operations, realizes free selection of the bracket direction and multi-angle adjustment of the tilt angle, which is beneficial to improving the convenience of use.

[0010] Preferably, limiting rings are symmetrically sleeved on the side wall of the rotating rod.

[0011] According to the above technical solution, the rotating rod is limited by two limiting rings, which prevents the rotating rod from sliding horizontally in the rod hole and ensures that the rotating rod can only rotate in a circle, which helps to improve the stability of the rotating rod.

[0012] Preferably, the fixing block has a threaded hole, a fixing screw is installed in the threaded hole, one end of the fixing screw is in contact with the rotating rod, and a knob is installed at the other end of the fixing screw.

[0013] According to the above technical solution, by maintaining the tilt angle of the bracket through friction, and addressing the issue of weakened friction over prolonged use, a knob is rotated to drive the fixing screw to rotate and move horizontally, thereby pressing and fixing the rotating rod to achieve rigid locking. This structure effectively solves the problem of damping friction decreasing over time, which is beneficial to improving the reliability of the reinforced bracket during long-term use.

[0014] Preferably, the outer teeth and the inner teeth engage with each other.

[0015] According to the above technical solution, a radial locking structure is formed by the interlocking of the outer and inner teeth, which allows the bracket to be firmly locked in the required direction and will not be accidentally deflected due to gravity, touch operation or mobile phone vibration, thus improving reliability.

[0016] Preferably, the card block has an L-shaped structure.

[0017] According to the above technical solution, one end of the L-shaped block holds the cooling plate in place, while the other end provides stable support for the space between the cooling plate and the heat sink, ensuring that the cooling plate is stably suspended outside the heat sink.

[0018] Preferably, the moving slot and the moving block are interference fit.

[0019] According to the above technical solution, the moving groove and the moving block are interference fit, and there is static friction between the moving groove and the moving block, which provides the block with a stable position dwelling ability.

[0020] Preferably, a method for using a multi-angle adjustable phone case with a built-in stand includes the following steps: S1. Pulling the bracket outward can drive the adjusting plate to disengage the outer teeth from the inner teeth, achieving ° rotational positioning; S2. The bracket rotates within the fixed block via a rotating rod to adjust the tilt angle, and can be rigidly locked by rotating a knob to drive the fixing screw. S3. When the bracket is pulled outward, the cooling fins will be moved out of the heat sink, thereby opening an open heat dissipation channel. S4. After use, simply release the latch, and the cooling plate and bracket will automatically retract under the elastic force of the spring.

[0021] According to the above technical solution, in terms of angle adjustment, pulling the bracket outward can drive the adjustment plate to disengage the outer teeth from the inner teeth, achieving 360° rotation positioning. The bracket rotates within the fixed block via a rotating rod to adjust the tilt angle. The angle is kept stable by the damping of the rod hole and the limiting ring. It can also be rigidly locked by rotating the knob to drive the fixing screw, effectively enhancing the reliability of use. In terms of heat dissipation and storage, the structure achieves intelligent linkage. When the bracket is pulled outward, it will drive the cooling plate to compress the spring and move out of the heat dissipation slot, thereby opening the open heat dissipation channel. The suspended position is locked by the locking block and the locking slot. After use, the locking block can be released, and the cooling plate and bracket will automatically retract under the elastic force of the spring, achieving one-click storage and efficient heat dissipation as needed, which is conducive to improving the convenience of storage and the efficiency of heat dissipation.

[0022] The present invention has the following beneficial effects: 1. In this invention, when the bracket is pulled outward, the cooling plate is compressed and slides out, thereby opening the heat dissipation slot to form an open heat dissipation channel. This structure combines the bracket unfolding with the high-efficiency heat dissipation mode through mechanical linkage, realizing on-demand heat dissipation, which is beneficial to improving the heat dissipation efficiency of mobile phones under high load scenarios.

[0023] 2. In this invention, by pulling the bracket outward, the fixing block drives the adjusting plate to disengage the outer teeth from the inner teeth of the limiting groove, thereby achieving 360° rotational orientation adjustment of the bracket. Pressing the bracket re-engages the inner and outer teeth to lock the direction. Subsequently, the tilt angle of the bracket is adjusted by rotating the rotating rod within the fixing block, and the angle is kept stable by the damping friction of the rod hole. This structure, through simple pulling, rotating, and pressing operations, realizes free selection of the bracket direction and multi-angle adjustment of the tilt angle, which is beneficial to improving the convenience of use. Attached Figure Description

[0024] Figure 1 This is a three-dimensional schematic diagram of a multi-angle adjustable built-in support for a mobile phone case proposed in this invention; Figure 2 This is a perspective view of the cooling plate of the built-in bracket of a multi-angle adjustable mobile phone case proposed in this invention; Figure 3 for Figure 2 Enlarged view of point A in the middle; Figure 4 This is a perspective view of a heat dissipation structure for a multi-angle adjustable built-in bracket of a mobile phone case proposed in this invention; Figure 5 This is a perspective view of the locking block of a multi-angle adjustable phone case built-in support proposed in this invention; Figure 6 This is a three-dimensional view of the positioning block of a multi-angle adjustable phone case built-in bracket proposed in this invention; Figure 7 This is a perspective view of the bracket of a multi-angle adjustable phone case built-in bracket proposed in this invention. Figure 8 This is a three-dimensional view of the fixing block of a multi-angle adjustable mobile phone case built-in support proposed in this invention.

[0025] Legend: 1. Housing; 2. Heat dissipation groove; 3. Guide block; 4. Guide groove; 5. Slider; 6. Spring; 7. Cooling plate; 8. Moving groove; 9. Moving block; 10. Locking block; 11. Locking slot; 12. Bracket; 13. Positioning block; 14. Limiting groove; 15. Internal gear; 16. Limiting plate; 17. Adjusting plate; 18. External gear; 19. Fixing block; 20. Rod hole; 21. Rotating rod; 22. Limiting ring; 23. Fixing screw; 24. Knob. Detailed Implementation

[0026] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0027] Reference Figures 1-5 An embodiment of the present invention provides a multi-angle adjustable mobile phone case built-in bracket, including a housing 1, a heat dissipation groove 2 formed on the side wall of the housing 1, multiple guide blocks 3 installed on the housing 1, a guide groove 4 formed in the guide block 3, a slider 5 slidably assembled in the guide groove 4, a spring 6 installed between the slider 5 and the inner wall of the guide groove 4, a cooling plate 7 connected to the multiple sliders 5, the cooling plate 7 being structurally adapted to the heat dissipation groove 2, multiple moving grooves 8 formed in the housing 1, a moving block 9 slidably assembled in the moving groove 8, a locking block 10 fixedly connected to the moving block 9, a locking groove 11 formed on the locking block 10, the thickness of the locking groove 11 being adapted to the thickness of the cooling plate 7, an adjustment component installed on the cooling plate 7, and a bracket 12 connected to the adjustment component.

[0028] Specifically, when the bracket 12 is not in use, the cooling pad 7 is in close contact with the phone under the pushing force of the spring 6, achieving heat absorption and dissipation. When the bracket 12 is needed, it is usually for watching videos, so the phone will generate more heat during operation. Ventilation of the phone's back cover is necessary for efficient heat dissipation. When the bracket 12 is pulled outward, the cooling pad 7 is also pulled. The cooling pad 7 causes the slider 5 on it to slide within the guide groove 4 of the guide block 3, and presses the spring 6. After the cooling pad 7 is suspended outside the heat dissipation groove 2, the heat dissipation groove 2 is opened, achieving efficient heat dissipation of the phone. Then, the four clips 10 are pushed onto the cooling pad 7, so that the clips 11 of the clips 10 are engaged. On the cooling plate 7, four locking blocks 10 lock the position of the suspended cooling plate 7. When the bracket 12 is not in use, first push open the locking blocks 10 to unlock it. Under the elastic force of the spring 6, the cooling plate 7 will automatically retract into the heat dissipation groove 2, and at the same time, the bracket 12 will retract together, realizing one-click storage. This structure realizes on-demand heat dissipation and creates an open heat dissipation channel. The two actions of unfolding the bracket 12 for use and activating the high-efficiency heat dissipation mode are intelligently linked through the mechanical structure to realize the closed loop of on-demand heat dissipation, quick locking and one-click reset. This effectively improves the heat dissipation efficiency of the mobile phone under high-load usage scenarios, simplifies user operation steps, enhances structural reliability, and effectively extends the performance of the mobile phone and battery life.

[0029] Reference Figures 6-8The adjustment assembly includes a positioning block 13, a limiting groove 14 is formed in the positioning block 13, internal teeth 15 are provided on the inner wall of the limiting groove 14, a limiting plate 16 is slidably assembled in the limiting groove 14, an adjustment plate 17 is installed on the limiting plate 16, external teeth 18 are provided on the side wall of the adjustment plate 17, a fixing block 19 is fixedly connected to the outer wall of the adjustment plate 17, a rod hole 20 is formed in the fixing block 19, a rotating rod 21 is rotatably assembled in the rod hole 20, and the rotating rod 21 is fixedly connected to the bracket 12.

[0030] Specifically, when the bracket 12 is opened, pulling it outward causes the bracket 12 to move the adjusting plate 17 via the fixing block 19. This pulls the outer teeth 18 of the adjusting plate 17 out of the inner teeth 15 of the limiting groove 14, separating the outer teeth 18 from the inner teeth 15. At this time, the adjusting plate 17 can rotate 360° within the limiting groove 14 of the positioning block 13. After rotating the bracket 12 to the desired position, pressing the bracket 12 causes it to move the adjusting plate 17 inward via the fixing block 19, pressing the outer teeth 18 on the adjusting plate 17 into the inner teeth 15 of the limiting groove 14, thus achieving the inner teeth 15 pressing the outer teeth 18. The limit switch positions the adjustment plate 17 and the bracket 12. After adjusting whether the phone is placed horizontally or vertically, the rotating rod 21 on the bracket 12 can rotate within the fixed block 19 to adjust the angle between the bracket 12 and the phone. There is damping friction between the rotating rod 21 and the rod hole 20 on the fixed block 19. When stationary, the friction can keep the tilt angle of the bracket 12 constant, enabling multi-angle adjustment of the bracket 12. This structure can satisfy the direction selection and tilt angle selection of the bracket 12, realize multi-angle free adjustment, and the adjustment steps are simple, effectively improving the convenience of use.

[0031] Reference Figure 8 Limiting rings 22 are symmetrically sleeved on the side wall of the rotating rod 21.

[0032] Specifically, the two limiting rings 22 limit the rotation rod 21, preventing the rotation rod 21 from sliding horizontally within the rod hole 20, ensuring that the rotation rod 21 can only rotate in a circular motion, and effectively improving the stability of the rotation rod 21.

[0033] Reference Figure 8 The fixing block 19 has a threaded hole, and a fixing screw 23 is installed in the threaded hole. One end of the fixing screw 23 is in contact with the rotating rod 21, and a knob 24 is installed on the other end of the fixing screw 23.

[0034] Specifically, after the angle between the stand 12 and the mobile phone is adjusted, the tilt angle of the stand 12 can be kept constant by friction. However, after long-term use, the friction effect weakens. By rotating the knob 24, the fixing screw 23 is rotated and moved horizontally. The fixing screw 23 presses and fixes the rotating rod 21, thereby locking the rotating rod 21 and effectively enhancing the reliability of use.

[0035] Reference Figure 6 The external teeth 18 and the internal teeth 15 engage with each other.

[0036] Specifically, the interlocking of the outer teeth 18 and the inner teeth 15 forms a radial locking structure, which allows the bracket 12 to be firmly locked in the required direction and will not be accidentally deflected due to gravity, touch operation or mobile phone vibration, thus improving reliability.

[0037] Reference Figure 5 Card block 10 has an L-shaped structure.

[0038] Specifically, the L-shaped locking block 10 holds the cooling plate 7 at one end and provides stable support for the space between the cooling plate 7 and the heat sink 2 at the other end, ensuring that the cooling plate 7 is stably suspended outside the heat sink 2.

[0039] Reference Figure 5 The moving slot 8 and the moving block 9 are interference fit.

[0040] Specifically, the moving groove 8 and the moving block 9 are interference fit, and there is static friction between the moving groove 8 and the moving block 9, which provides the locking block 10 with a stable position dwell capability.

[0041] Reference Figures 1-8 A method for using a multi-angle adjustable phone case with a built-in stand includes the following steps: S1. Pulling the bracket 12 outward can drive the adjusting plate 17 to disengage the outer tooth 18 from the inner tooth 15, achieving 360° rotation positioning. S2, the bracket 12 rotates within the fixed block 19 via the rotating rod 21 to adjust the tilt angle, and can be rigidly locked by rotating the knob 24 to drive the fixing screw 23; S3. When the bracket 12 is pulled outward, the cooling plate 7 will be moved out of the heat sink 2, thereby opening the open heat dissipation channel; S4. After use, by disengaging the locking block 10, the cooling plate 7 and the bracket 12 will automatically retract under the elastic force of the spring 6.

[0042] Specifically, in terms of angle adjustment, pulling the bracket 12 outward can drive the adjustment plate 17 to disengage the outer tooth 18 from the inner tooth 15, achieving 360° rotation positioning. The bracket 12 rotates within the fixed block 19 via the rotating rod 21 to adjust the tilt angle. The angle is kept stable by the damping of the rod hole 20 and the limiting ring 22. It can also be rigidly locked by rotating the knob 24 to drive the fixing screw 23, effectively enhancing the reliability of use. In terms of heat dissipation and storage, the structure achieves intelligent linkage. When the bracket 12 is pulled outward, it will drive the cooling plate 7 to compress the spring 6 and move out of the heat dissipation slot 2, thereby opening the open heat dissipation channel. The suspended position is locked by the locking block 10 and the locking slot 11. After use, the locking block 10 can be released, and the cooling plate 7 and the bracket 12 will automatically retract under the elastic force of the spring 6, achieving one-click storage and efficient heat dissipation as needed.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-angle adjustable phone case with built-in support, comprising a housing (1), characterized in that: The housing (1) has a heat dissipation groove (2) on its side wall. Multiple guide blocks (3) are installed on the housing (1). Guide grooves (4) are opened in the guide blocks (3). Slider blocks (5) are slidably assembled in the guide grooves (4). Springs (6) are installed between the sliders (5) and the inner wall of the guide grooves (4). Cooling plates (7) are connected to the multiple sliders (5). The cooling plates (7) are structurally compatible with the heat dissipation grooves (2). Multiple moving grooves (8) are opened in the housing (1). Moving blocks (9) are slidably assembled in the moving grooves (8). A locking block (10) is fixedly connected to the moving block (9). A locking slot (11) is opened on the locking block (10). The thickness of the locking slot (11) is compatible with the thickness of the cooling plate (7). An adjustment component is installed on the cooling plate (7). A bracket (12) is connected to the adjustment component.

2. The multi-angle adjustable phone case built-in support according to claim 1, characterized in that: The adjustment assembly includes a positioning block (13), a limiting groove (14) is provided in the positioning block (13), an internal tooth (15) is provided on the inner wall of the limiting groove (14), a limiting plate (16) is slidably assembled in the limiting groove (14), an adjustment plate (17) is installed on the limiting plate (16), an external tooth (18) is provided on the side wall of the adjustment plate (17), a fixing block (19) is fixedly connected to the outer wall of the adjustment plate (17), a rod hole (20) is provided in the fixing block (19), a rotating rod (21) is rotatably assembled in the rod hole (20), and the rotating rod (21) is fixedly connected to the bracket (12).

3. The multi-angle adjustable phone case built-in support according to claim 2, characterized in that: The rotating rod (21) is symmetrically fitted with limiting rings (22) on its side wall.

4. The multi-angle adjustable phone case built-in support according to claim 2, characterized in that: The fixing block (19) has a threaded hole, and a fixing screw (23) is installed in the threaded hole. One end of the fixing screw (23) is in contact with the rotating rod (21), and a knob (24) is installed on the other end of the fixing screw (23).

5. The multi-angle adjustable phone case built-in support according to claim 2, characterized in that: The outer teeth (18) and the inner teeth (15) engage with each other.

6. The multi-angle adjustable phone case built-in support according to claim 1, characterized in that: The card block (10) has an L-shaped structure.

7. The multi-angle adjustable phone case built-in support according to claim 1, characterized in that: The moving slot (8) and the moving block (9) are interference fit.

8. A method of using a multi-angle adjustable phone case built-in support, as described in any one of claims 1-7, characterized in that... Includes the following steps: S1. Pulling the bracket (12) outward can drive the adjusting plate (17) to disengage the outer tooth (18) from the inner tooth (15) and achieve 360° rotation positioning; S2, the bracket (12) rotates within the fixed block (19) via the rotating rod (21) to adjust the tilt angle, and can be rigidly locked by rotating the knob (24) to drive the fixing screw (23); S3. When the bracket (12) is pulled outward, the cooling plate (7) will be moved out of the heat sink (2), thereby opening the open heat dissipation channel; S4. After use, the card block (10) can be opened so that the cooling plate (7) and the bracket (12) can automatically retract under the elastic force of the spring (6).