Computer chassis outer frame

Abstract

The application discloses a computer chassis outer frame, comprising a first mounting plate and a second mounting plate; the first mounting plate and the second mounting plate are connected through a connecting rod and form a mounting cavity; further comprising a third mounting plate, the third mounting plate is installed on the inner side of the second mounting plate, and a front veneer connected with the third mounting plate, the first side of the front veneer is connected with the third mounting plate, and the second side of the front veneer is reserved with a first gap from the first mounting plate. Through the modular detachable frame, the multi-dimensional heat dissipation gap and the aluminum alloy structure design, the unity of high-efficiency heat dissipation, high rigidity and convenient maintenance is realized.

Description

Technical Field

[0001] This invention relates to an outer frame for a personal computer chassis. Background Technology

[0002] With the increasing prevalence of desktop PCs in high-performance applications such as gaming and design rendering, the power consumption and heat generation of these systems have increased significantly. Most existing chassis use a closed sheet metal structure with ventilation holes only on the front, top, or side panels. This restricts airflow and makes it difficult to create effective convection channels in areas of high heat flux density, leading to higher temperatures for core components such as the CPU and GPU, which in turn affects system stability and lifespan.

[0003] To improve heat dissipation, some computer cases install large fans or water cooling radiators inside. However, these solutions typically increase cost, noise, and maintenance complexity. Meanwhile, traditional computer case frames are often made of single bent or welded components, limiting local rigidity and assembly precision, which hinders quick disassembly and hardware upgrades. Especially when the case uses lightweight materials like aluminum alloy, a lack of proper connection and reinforcement design can easily lead to problems such as resonance, warping, or loosening of locking screws.

[0004] There is a need for an external chassis frame structure that can significantly improve airflow path at the structural level, while also possessing high rigidity and scalability. Summary of the Invention

[0005] Based on this, the present invention proposes a modular outer frame composed of a first mounting plate, a second mounting plate, a third mounting plate, and detachable components such as a front trim panel and an upper trim panel. By reserving gaps at key locations and setting a regular array of hollow holes, a multi-dimensional and multi-path air-cooling heat dissipation channel is formed while ensuring the overall structural strength and assembly accuracy. This effectively solves the problems of low heat dissipation efficiency, insufficient structural rigidity, and inconvenient maintenance and upgrades in the prior art.

[0006] Specifically, the computer chassis outer frame of the present invention includes a first mounting plate and a second mounting plate; the first mounting plate and the second mounting plate are connected by a connecting rod to form a mounting cavity; it also includes a third mounting plate, which is installed inside the second mounting plate, and a front trim panel connected to the third mounting plate, wherein a first side of the front trim panel is connected to the third mounting plate, and a first gap is reserved between the second side of the front trim panel and the first mounting plate.

[0007] In a preferred embodiment, the device further includes a mounting bracket mounted on the connecting rod; it also includes an upper trim panel mounted on the mounting bracket; a second gap is provided between the second side of the upper trim panel and the first mounting plate.

[0008] In a preferred embodiment, a third gap is provided between the second side of the upper trim panel and the front trim panel, and a fourth gap is provided between the first side of the upper trim panel and the second mounting plate.

[0009] In a preferred embodiment, the first gap, the second gap, the third gap, and the fourth gap are used to increase the gas flow of the outer frame of the chassis.

[0010] In a preferred embodiment, the first mounting plate, the second mounting plate, and the third mounting plate are all aluminum alloy plates.

[0011] In a preferred embodiment, the connecting rod includes a plurality of connecting rods, wherein at least two connecting rods are provided with a first mounting foot and a second mounting foot.

[0012] In a preferred embodiment, the front trim panel and / or upper trim panel includes a plurality of perforations.

[0013] In a preferred embodiment, the aluminum alloy plate has a thickness of 1.5mm-3mm, and its surface is anodized to form a wear-resistant layer.

[0014] In a preferred embodiment, the perforations are located on the left and right sides of the front trim panel.

[0015] The multiple connecting rods of this application can be disassembled independently, and each mounting plate is an independent module. Users only need to loosen a few screws to lift the top cover or front cover and replace components such as fans / radiators, which facilitates rapid expansion by users. At the same time, this application uses thin aluminum alloy plates, which are lightweight, have good heat dissipation performance, and are easy to disassemble and assemble.

[0016] A first gap is provided between the front trim panel and the first mounting plate, a second gap is provided between the trim panel and the first mounting plate, and a third gap and a fourth gap are provided; the front trim panel and the upper trim panel are evenly arranged with hollow holes to form a three-dimensional airflow network in the longitudinal, transverse and vertical directions. Cold air can enter the mounting cavity from the front, top and side from multiple directions, and hot air is discharged from the top and side along the shortest path, thereby improving the overall heat dissipation of the chassis. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall structure of the computer chassis outer frame of this invention; Figure 2 A second-view schematic diagram of the overall structure of the computer chassis outer frame of the present invention; Figure 3 An exploded view of the computer chassis outer frame of the present invention from a first direction; Figure 4 An exploded view of the computer chassis outer frame of the present invention from a second direction; Detailed Implementation

[0018] The technical solution of this application will be further described in detail below with reference to the accompanying drawings, so that those skilled in the art can further understand this application.

[0019] This invention discloses an outer frame for a personal computer chassis. The frame is formed by a first mounting plate 100, a second mounting plate 200, and several connecting rods 600, creating a rectangular mounting cavity for mounting core hardware such as the motherboard and graphics card. A third mounting plate 300 is located on the outer side of the frame, and a front panel 400 is fixed to its front. A panel 500 can be optionally added to the top. This modular design ensures structural strength while providing ample airflow channels for air-cooling.

[0020] Specifically, such as Figure 1 The diagram shows a first mounting plate 100 and a second mounting plate 200, which are respectively disposed on the left and right sides of the chassis; and the first mounting plate 100 is connected together by several detachable connecting rods 600. Core hardware such as motherboards and graphics cards are mounted on the first mounting plate 100 or the second mounting plate 200.

[0021] Furthermore, the connecting rod 600 can be disassembled or installed using methods known to those skilled in the art, such as screw positioning pin combination, quick-release buckle mechanism, sliding groove plug structure, and flip-over clamping clamp.

[0022] Optionally, such as Figure 4 The gap area 210 between the first mounting plate 100 and the second mounting plate 200 shown can also be used to install several detachable connecting plates. When all the connecting plates 700 are installed in place, the first mounting plate 100, the second mounting plate 200 and the connecting plates 700 together form a closed or semi-closed auxiliary chamber.

[0023] Furthermore, it also includes a third mounting plate 300, which is mounted on one side of the second mounting plate 200 via the connecting rod 600. The third mounting plate 300 provides a mounting support structure for the front trim panel 400 and the upper trim panel 500. The first side 401 of the front trim panel 400 is connected to the third mounting plate 300, and a first gap 810 is reserved between the second side 402 of the front trim panel 400 and the first mounting plate 100.

[0024] like Figure 2As shown, the first gap 810 is defined by the edge of the second side 402 of the front trim panel 400 and the outer periphery folded edge 101 of the first mounting plate 100. The front trim panel 400 has a stepped folded edge 403 parallel to the first mounting plate 100 at a corresponding position. The two folded edges maintain a fixed distance of about 2–20 mm, thereby forming a strip-shaped rectangular cavity that runs diagonally from the top of the chassis to the bottom. This cavity not only provides a low-resistance forward air intake channel for cold air, but also forms a wall-mounted flow between the two plates to increase the heat exchange area.

[0025] The second gap 820 is located between the upper trim panel 500 and the first mounting plate 100. The second side 502 of the upper trim panel 500 forms a narrow folded edge 503 along its length, maintaining a stable distance of about 2–20 mm from the first mounting plate 100, forming a slender rectangular channel with a top sloping direction. The third gap 830 is formed by the folded edge 503 of the upper trim panel 500 and the folded edge 101 of the first mounting plate 100, flowing from the end of the second gap 820 downwards and backwards into the upper end of the first gap 810 and the second gap 820 to reduce exhaust resistance. It should be noted that these three gaps, along the x-axis, cause the front trim panel 400, upper trim panel 500, and first mounting plate 100 to be misaligned, thus forming a continuous three-dimensional airflow channel between the panel walls: hot air rises from bottom to top along the attached wall of the first mounting plate 100, achieving a chimney effect of air intake and guidance. This effect significantly increases the temperature gradient inside and outside the chassis and improves the convection velocity, resulting in better heat dissipation efficiency than traditional chassis with only single-position air intake / exhaust vents. Furthermore, the three gaps employ a stepped, folded-edge structure, which not only maintains a fixed spacing and prevents vibration contact between the panels but also increases the local rigidity of the corresponding panels, achieving both heat dissipation performance and structural strength. The x-axis misalignment also facilitates disassembly and assembly.

[0026] Furthermore, such as Figure 2 A fourth gap 840 is reserved between the first side 501 of the upper trim panel 500 and the second mounting plate 200. The upper trim panel 500 and the second mounting plate 200 are aligned in the axial direction (x-axis) of the connecting rod 600 without any step-like misalignment. The upper trim panel is provided with multiple openings 504 to form an interference-free "straight-through chimney" similar to the shape of the second and third gaps, further amplifying the pressure gradient inside and outside the box and enhancing the driving force for the upward flow of heat in the second and third gaps.

[0027] Furthermore, the first mounting plate 100, the second mounting plate 200, and the third mounting plate 300 are all made of aluminum alloy. The upper trim panel 500 and the front trim panel 400 are also made of aluminum alloy, and the mounting bracket 520 is also made of aluminum alloy. A wedge-shaped channel 410 that gradually converges from top to bottom is formed between the inner side of the front trim panel 400 and the front trim panel 400, with the outer side remaining vertical and the inner side slightly inclined inward along the longitudinal direction of the chassis.

[0028] Optionally, a cooling fan is installed on the inner side of the front trim panel 400. Due to the suction effect of the cooling fan, the contraction of the channel brings about a Venturi-like effect of guiding and accelerating the flow. After the external cold air is drawn in through the top opening, the cross-section gradually narrows and the flow velocity increases. It then merges into the first gap at the bottom and sweeps along the motherboard surface against the core heat source, thereby improving the heat transfer coefficient.

[0029] Furthermore, the perforated holes 900 are set on the left and right sides of the front trim panel 400. The holes on the front trim panel 400 are arranged in alternating strip-shaped rectangular holes 901 and chamfered triangular holes 902. The overall shape gradually changes from large to small and from wide to narrow along the longitudinal direction of the channel. The topmost part consists of two long strip-shaped rectangular holes 901, which are used to equalize the pressure when cold air first enters the wedge-shaped channel. The middle section is changed to two sets of shorter rectangular holes 901 and a set of small triangular holes 902, which maintain the air intake volume and disperse the boundary layer through the disturbance of the hole edge, thereby improving the heat exchange rate.

[0030] Furthermore, the connecting rod 600 includes a plurality of rods, wherein at least two connecting rods 600 are provided with a first mounting foot 601 and a second mounting foot 602, the first mounting foot 601 and the second mounting foot 602 being used to suspend the bottom of the chassis so as to allow air to circulate upward from the bottom.

[0031] Furthermore, the aluminum alloy plate has a thickness of 1.5mm-3mm, and its surface is anodized to form a wear-resistant layer.

[0032] This invention constructs an integrated airflow path from the front end to the top by sequentially arranging a first gap 810, a second gap 820, a third gap 830, and a fourth gap 840 on the outer frame of the chassis. Hot air first flows out of the main cavity through the first gap 810, the second gap 820, and the third gap 830 between the front trim panel 400 and the first mounting plate 100, expanding the heat exchange area along the way. At the same time, the heated airflow 1001 is pushed up by the component heat sink, forming a negative pressure inside the chassis, thereby generating a highly efficient "chimney effect" inside the chassis, significantly increasing the temperature gradient and improving the convection velocity. The overall heat dissipation performance is better than that of traditional single-sided open chassis.

[0033] In summary, by reserving a first gap between the front trim panel 400 and the first mounting plate 100, setting a second gap between the upper trim panel 500 and the first mounting plate 100, forming a third gap between the upper trim panel 500 and the front trim panel 400, and a fourth gap between the first side 501 of the upper trim panel 500 and the second mounting plate 200, a multi-dimensional three-dimensional airflow channel is constructed. At the same time, by setting perforated holes 900 in the front trim panel 400 and / or the upper trim panel 500, combined with the high thermal conductivity of the aluminum alloy sheet, a chimney effect of air intake, air guidance, and air exhaust is formed, which significantly improves the convection velocity and heat exchange area, and solves the problem of limited airflow path in traditional closed structures.

[0034] This application uses aluminum alloy plates with a thickness of 1.5mm-3mm as the first mounting plate 100, the second mounting plate 200, the third mounting plate 300 and the decorative panel material. The surface is anodized to enhance wear resistance and rigidity. The connecting rod 600 is equipped with a first mounting foot 601 and a second mounting foot 602. Combined with the folded edge-stepped gap structure and reinforcing rib design, the overall rigidity of the frame is improved on the basis of lightweighting, avoiding resonance, warping or loose screws.

[0035] Adopting a modular and detachable design, the first mounting plate 100 and the second mounting plate 200 are connected by a connecting rod 600, while the front trim panel 400, upper trim panel 500 and other components are assembled independently. Users only need to remove a few screws to quickly disassemble or assemble the top cover or front cover, which facilitates hardware replacement and expansion and solves the problem of complex maintenance of traditional single-unit bending / welding structures.

Claims

1. A computer chassis outer frame, characterized in that, It includes a first mounting plate and a second mounting plate; the first mounting plate and the second mounting plate are connected by a connecting rod to form a mounting cavity; it also includes a third mounting plate, which is installed inside the second mounting plate, and a front trim panel connected to the third mounting plate, wherein a first side of the front trim panel is connected to the third mounting plate, and a first gap is reserved between the second side of the front trim panel and the first mounting plate.

2. The computer chassis outer frame according to claim 1, characterized in that, It also includes a mounting bracket, which is mounted on the connecting rod; it also includes an upper trim panel, which is mounted on the mounting bracket; a second gap is reserved between the second side of the upper trim panel and the first mounting plate.

3. The computer chassis outer frame according to claim 2, characterized in that, A third gap is reserved between the second side of the upper trim panel and the front trim panel, and a fourth gap is reserved between the first side of the upper trim panel and the second mounting plate.

4. The computer chassis outer frame according to claim 3, characterized in that, The first gap, the second gap, the third gap, and the fourth gap are used to increase the gas flow of the outer frame of the chassis.

5. The computer chassis outer frame according to claim 4, characterized in that, The first mounting plate, the second mounting plate, and the third mounting plate are all made of aluminum alloy.

6. The computer chassis outer frame according to claim 5, characterized in that, The connecting rod includes multiple connecting rods, wherein at least two connecting rods are provided with a first mounting foot and a second mounting foot.

7. The computer chassis outer frame according to claim 1 or 2, characterized in that, The front trim panel and / or upper trim panel include multiple perforations.

8. The computer chassis outer frame according to claim 5, characterized in that, The thickness of the aluminum alloy plate is 1.5mm-3mm.

9. The computer chassis outer frame according to claim 7, characterized in that, The perforated holes are located on the left and right sides of the front trim panel.

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