Cold-forged radiator with staggered cooling fins

The cold-forged heat sink, designed with staggered heat dissipation fins and a heat flow structure, utilizes the hot airflow from the phone to drive the propeller rotation, creating forced convection heat dissipation. This solves the problem of frequent charging of phone heat sinks and achieves efficient and portable heat dissipation.

CN224583205UActive Publication Date: 2026-07-31HUIRUI PRECISION TECHNOLOGY (JIANGSU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HUIRUI PRECISION TECHNOLOGY (JIANGSU) CO LTD
Filing Date
2025-09-02
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

Existing mobile phone coolers require frequent charging, are inconvenient to use, and cannot provide continuous cooling in environments without power.

Method used

It adopts an interlaced heat dissipation fin and thermal flow structure design, combined with lightweight carbon fiber material, and uses the phone's own hot airflow to drive the propeller to rotate, forming forced convection heat dissipation. It achieves efficient passive heat dissipation through interlaced heat dissipation fins and heat dissipation gaps.

Benefits of technology

It achieves continuous heat dissipation without external power supply, ensuring stable operation of the phone in various scenarios, improving portability and heat dissipation efficiency, and reducing the need for frequent charging.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224583205U_ABST
    Figure CN224583205U_ABST
Patent Text Reader

Abstract

This utility model discloses a cold-forged heat sink with interlaced heat dissipation ribs, belonging to the technical field of cold-forged heat sinks. It aims to solve the technical problem of mobile phone heat sinks requiring frequent charging and being inconvenient to use. The device includes an adhesive frame fixed to the back of the phone, with interlaced heat dissipation ribs installed at the center of the frame. Multiple heat dissipation fins are arranged on one side of the interlaced heat dissipation ribs. An inner shell is rotatably connected to the outer periphery of the adhesive frame, and an outer shell is fixed to the outer ring of the inner shell. A heat flow structure is provided between the outer shell and the inner shell. An auxiliary ring shell is connected to one side of the outer shell via a one-way bearing. A propeller is installed in the inner ring of the auxiliary ring shell, and a powerful pushing structure is provided inside the auxiliary ring shell. This utility model, through the interlaced heat dissipation ribs composed of horizontal and vertical metal heat dissipation ribs and the cooperation of heat dissipation fins, combined with the heat flow structure and the force-pushing structure, can achieve forced convection and natural convection without electrical energy, resulting in high heat dissipation efficiency and convenience.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of cold forged radiator technology, and more specifically, to a cold forged radiator with staggered heat dissipation fins. Background Technology

[0002] Most existing mobile phone heat sinks use fans for cooling. While this method can remove heat to some extent, it also has many inconveniences. First, fan-type heat sinks require a continuous power supply to operate, meaning users need to charge them frequently. Whether traveling, working, or using the phone daily, once the heat sink's battery is depleted, it can no longer provide cooling, affecting the normal user experience. Therefore, we propose a cold-forged heat sink with staggered cooling fins. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology, adapt to the needs of reality, and provide a cold-forged heat sink with staggered heat dissipation fins to solve the technical problem that current mobile phone heat sinks require frequent charging and are inconvenient to use.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a cold-forged heat sink with staggered heat dissipation ribs, including an adhesive frame fixed to the back of a mobile phone, an adhesive layer on one side of the adhesive frame, a through cavity at the center of the adhesive frame, staggered heat dissipation ribs installed on the inner circumference of the cavity, multiple heat dissipation fins on one side of the staggered heat dissipation ribs, an inner shell rotatably connected to the outer circumference of the adhesive frame, an outer shell fixed to the outer ring of the inner shell, a heat flow structure between the outer shell and the inner shell, an auxiliary ring shell connected to one side of the outer shell via a one-way bearing, a propeller installed on the inner ring shell, and a powerful pushing structure inside the auxiliary ring shell.

[0005] Preferably, the staggered heat dissipation fins are composed of multiple horizontal and vertical staggered metal heat dissipation fins, and heat dissipation gaps are provided between the staggered heat dissipation fins. A heat exchange port is opened on the lower half of the inner shell. A counterweight is installed on the bottom edge of the inner periphery of the inner shell. A metal protective net is installed on one side of the propeller.

[0006] Preferably, the heat flow structure includes a gas collection hood, the outer periphery of which is fixed to the top of the inner periphery of the surrounding inner shell, the inner periphery of which is designed to be constricted, and a plurality of inclined blades are provided on one side of the gas collection hood.

[0007] Preferably, the plurality of inclined plates are arranged in a ring array around the auxiliary ring shell, and an air outlet is provided on one side of the air outlet of the air collection hood, which is located around the outer periphery of the outer shell.

[0008] Preferably, the force-driven structure includes multiple limiting baffles, with each pair of limiting baffles forming a group and arranged in a circular array. A power-storing arc plate is fixed between the two limiting baffles. The power-storing arc plate has a curved design, and a free roller rolls freely on the power-storing arc plate.

[0009] Preferably, the free roller has a near-circular structure, the core of the free roller is made of metal, and the outer layer of the free roller is wrapped with a rubber layer for noise reduction.

[0010] Preferably, all components except the staggered heat dissipation fins, heat dissipation fins and free rollers are made of lightweight carbon fiber.

[0011] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model utilizes staggered heat dissipation fins composed of horizontally and vertically interwoven metal heat dissipation fins. These fins not only absorb heat in close contact with the phone, but their gaps also assist the phone's own heat dissipation, preventing blockages. The heat dissipation fins are also distributed in a staggered pattern, forming multiple heat exchange channels for efficient heat conduction and dissipation. This purely passive heat dissipation method requires no external power supply, completely solving the inconvenience of frequent charging. It continuously and stably dissipates heat for the phone anytime, anywhere, ensuring normal operation and resolving the problem of frequent charging and inconvenience associated with traditional phone coolers.

[0012] 2. This utility model also incorporates a counterweight design surrounding the inner shell, allowing it to automatically rotate when the phone is tilted at any angle, ensuring the heat exchange port remains in the lower half. The heat flow structure utilizes the principle of rising hot airflow. The hot airflow, passing through a constricted air-collecting shroud, generates a large airflow that impacts the inclined plates, causing the auxiliary ring shell to rotate. This, in turn, drives the propeller, drawing in external cold air and creating forced convection, accelerating heat exchange and significantly enhancing heat dissipation. Compared to traditional heat dissipation methods, this method can lower the phone's temperature more quickly, further solving the problem of frequent charging and inconvenience associated with traditional phone coolers.

[0013] 3. This utility model also utilizes the interaction of the limiting baffle, the energy storage arc plate, and the free roller in the force-driven structure. On the one hand, it uses the inertial force of the free roller during rotation to extend its rotation time and continuously assist in heat dissipation. On the other hand, when the position of the mobile phone changes, the free roller slides on the energy storage arc plate to generate an impact force, driving the rotation. In conjunction with the one-way bearing, it always assists the propeller to rotate in the direction of enhancing heat dissipation, so that the heat sink can maintain good heat dissipation performance in various usage scenarios, further solving the problem that mobile phone heat sinks need to be charged frequently and are inconvenient to use.

[0014] 4. This utility model also greatly reduces the overall weight of the radiator and reduces the resistance during drive by using lightweight carbon fiber material for the remaining components, except for the key heat dissipation components. The free roller adopts a high-density heavy-weight design, which makes it easier to drive. This material combination design not only ensures efficient heat dissipation, but also improves the portability of the radiator, making it convenient for users to carry and use. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the left structure of this utility model; Figure 2 This is a schematic diagram of the right structure of this utility model; Figure 3 This is a schematic diagram of the disassembled structure in this utility model; Figure 4 This is a half-sectional structural diagram of the portion surrounding the outer shell in this utility model; Figure 5 This is a half-sectional structural diagram of the auxiliary ring shell in this utility model.

[0016] The following are the labels in the diagram: 1. Adhesive frame; 2. Interlaced heat dissipation ribs; 3. Heat dissipation fins; 4. Inner shell enclosure; 5. Outer shell enclosure; 6. Thermal flow structure; 7. Auxiliary ring shell; 8. Propeller; 9. Force-driven structure; 10. Counterweight; 11. Metal protective mesh; 601. Gas collection hood; 602. Inclined plate; 603. Air outlet; 901. Limiting baffle; 902. Power storage arc plate; 903. Free roller. Detailed Implementation

[0017] like Figures 1 to 5 As shown, this utility model relates to a cold-forged heat sink with staggered heat dissipation ribs, including an adhesive frame 1 fixed to the back of a mobile phone. An adhesive layer is provided on one side of the adhesive frame 1, and the center of the adhesive frame 1 is a through cavity. Staggered heat dissipation ribs 2 are installed on the inner periphery of the cavity. The staggered heat dissipation ribs 2 are composed of multiple horizontal and vertical staggered metal heat dissipation ribs, and heat dissipation gaps are provided between the staggered heat dissipation ribs. Through the composition of the horizontal and vertical staggered heat dissipation ribs, it can maintain contact with the mobile phone to absorb and dissipate heat, while the gaps also retain the function of heat dissipation, without blockage, which would affect the heat dissipation of the mobile phone itself. Multiple heat dissipation fins 3 are provided on one side of the staggered heat dissipation ribs 2. The multiple heat dissipation fins 3 are also distributed horizontally and vertically, so that a heat exchange channel can be formed at any angle. By attracting the heat of the mobile phone through the staggered heat dissipation ribs 2, and then dissipating the heat through the multiple heat dissipation fins 3, efficient heat dissipation can be achieved.

[0018] To improve heat dissipation, an inner shell 4 is rotatably connected to the outer periphery of the adhesive frame 1. A heat exchange port is provided on the lower half of the inner shell 4. A counterweight 10 is installed on the bottom edge of the inner periphery of the inner shell 4. Through the rotatable connection and the design of the counterweight 10, when the phone is tilted at any angle, the counterweight 10 allows the inner shell 4 to rotate, keeping the heat exchange port in the lower half position. An outer shell 5 is fixed to the outer ring of the inner shell 4. A heat flow structure 6 is provided between the outer shell 5 and the inner shell 4. The heat flow structure 6 includes a gas collection hood 601. The outer periphery of the gas collection hood 601 is fixed to the top of the inner periphery of the inner shell 4. The inner periphery of the gas collection hood 601 has a constricted design. Multiple inclined blades 602 are provided on one side of the gas collection hood 601, arranged in a circular array around the auxiliary ring shell 7. An air outlet is provided on the side of the gas collection hood 601, located on the outer periphery of the outer shell 5. 603. An auxiliary ring shell 7 is connected to one side of the outer casing 5 via a one-way bearing. A propeller 8 is installed on the inner ring of the auxiliary ring shell 7. The propeller 8 consists of multiple vortex blades, and a shaft is connected to the center of its end. The outer circumference of the propeller 8 is fixed to the inner ring of the auxiliary ring shell 7, so that the propeller 8 can rotate when the auxiliary ring shell 7 rotates. A metal protective net 11 is installed on one side of the propeller 8, which serves a protective function. Through the design of the counterweight 10, when the upper part of the hot airflow rises and is discharged, it will pass through the air collection shroud 601. The constricted design of the air collection shroud 601 will generate a large airflow when the heat is discharged. The airflow impacts the inclined blades 602 and drives the auxiliary ring shell 7 to rotate. Finally, the hot airflow is discharged through the air outlet 603. The rotation of the auxiliary ring shell 7 can drive the propeller 8 to rotate, attracting external gas to enter and generating forced convection, allowing air to flow quickly across the surface of the radiator and enhancing the heat dissipation effect.

[0019] To further ensure heat dissipation, a powerful pushing structure 9 is installed inside the auxiliary ring shell 7. This structure includes multiple limiting baffles 901, arranged in a circular array of two baffles 901. A power-storing arc plate 902 is fixed between two limiting baffles 901. The power-storing arc plate 902 has a curved design, and a free roller 903 rolls freely on it. The free roller 903 has a near-circular structure, with a metal core and an outer layer of rubber for noise reduction. This design primarily complements the aforementioned... The hot airflow design allows it to rotate. Combined with the inertial force of the rotating free roller 903, it can rotate for a longer period of time. Another advantage is that when the phone is in use, such as when playing games, its position will change. During the rotation of the phone, the free roller 903 can be moved to the free end. After moving, the arc design of the power storage arc plate 902 makes the free roller 903 slide down the arc surface, generating a large impact force to drive the rotation. Combined with the one-way bearing design, it can rotate in the direction of the propeller 8 without rotating in the other direction.

[0020] To ensure that the hot airflow and the free roller 903 can be driven, all other components except for the staggered heat dissipation fins 2, heat dissipation fins 3 and the free roller 903 are made of lightweight carbon fiber. This carbon fiber design can greatly reduce weight and reduce resistance during driving. The high density and heavy weight design of the free roller 903 can easily achieve driving.

[0021] The embodiments disclosed herein are preferred embodiments, but are not limited thereto. Those skilled in the art can readily grasp the spirit of this utility model based on the above embodiments and make different extensions and variations. However, as long as they do not depart from the spirit of this utility model, they are all within the protection scope of this utility model.

Claims

1. A cold-forged radiator with staggered heat dissipation fins, characterized in that, The device includes an adhesive frame (1) fixed to the back of the mobile phone. An adhesive layer is provided on one side of the adhesive frame (1). The center of the adhesive frame (1) is a through cavity. Interlaced heat dissipation ribs (2) are installed on the inner circumference of the cavity. Multiple heat dissipation fins (3) are provided on one side of the interlaced heat dissipation ribs (2). An inner shell (4) is rotatably connected to the outer circumference of the adhesive frame (1). An outer shell (5) is fixed to the outer ring of the inner shell (4). A heat flow structure (6) is provided between the outer shell (5) and the inner shell (4). An auxiliary ring shell (7) is connected to one side of the outer shell (5) through a one-way bearing. A propeller (8) is installed on the inner ring of the auxiliary ring shell (7). A powerful pushing structure (9) is provided inside the auxiliary ring shell (7).

2. A cold-forged radiator with staggered heat dissipation fins according to claim 1, characterized in that, The interlaced heat dissipation ribs (2) are composed of multiple interlaced metal heat dissipation ribs, and heat dissipation gaps are provided between the interlaced heat dissipation ribs. The lower half of the inner shell (4) is provided with heat exchange ports. The bottom edge of the inner circumference of the inner shell (4) is equipped with a counterweight (10). A metal protective net (11) is installed on one side of the propeller (8).

3. A cold-forged radiator with staggered heat dissipation fins according to claim 2, characterized in that, The heat flow structure (6) includes a gas collection hood (601), the outer periphery of which is fixed to the top of the inner periphery of the inner shell (4), the inner periphery of which is designed to be constricted, and a plurality of inclined blades (602) are provided on one side of the gas collection hood (601).

4. A cold-forged radiator with staggered heat dissipation fins according to claim 3, characterized in that, Multiple inclined plates (602) are arranged in a ring array around the auxiliary ring shell (7), and an air outlet (603) is provided on one side of the air outlet of the air collection hood (601) on the outer periphery of the surrounding shell (5).

5. A cold-forged radiator with staggered heat dissipation fins according to claim 4, characterized in that, The force-driven structure (9) includes multiple limiting baffles (901), with each pair of limiting baffles (901) forming a group and distributed in a circular array. A power-storing arc plate (902) is fixed between the two limiting baffles (901). The power-storing arc plate (902) is designed with an arc shape, and a free roller (903) rolls freely on the power-storing arc plate (902).

6. A cold-forged radiator with staggered heat dissipation fins according to claim 5, characterized in that, The free roller (903) has a circular structure. The core of the free roller (903) is made of metal, and the outer layer of the free roller (903) is wrapped with a rubber layer for noise reduction.

7. A cold-forged radiator with staggered heat dissipation fins according to claim 6, characterized in that, Except for the interlaced heat dissipation fins (2), heat dissipation fins (3) and free rollers (903), all other components are made of lightweight carbon fiber.