Dustproof case

Abstract

The utility model discloses a dustproof case, which relates to the technical field of computer accessories and comprises a case body, a fan and an opening and closing mechanism, the fan and the opening and closing mechanism are arranged in the case body, the case body is provided with a ventilation opening, the opening and closing mechanism comprises a traction piece and a rotating blade, and the rotating blade is rotatably connected with the case body through a first rotating shaft. The traction piece comprises a first connecting end fixedly connected with the rotating blade and a second connecting end slidably connected with the ventilation opening, the ventilation opening is provided with a reset spring fixedly connected with the second connecting end, and the ventilation opening, the fan and the rotating blade are sequentially arranged from left to right in the horizontal direction. When the host is not used or the performance release requirement is low, the size of the ventilation opening is reduced, the amount of dust entering the case is reduced, the dustproof effect of the whole case is improved, and under the condition that the heat dissipation requirement is large, the ventilation opening is fully opened, and the heat dissipation requirement is met.

Description

Technical Field

[0001] The utility model relates to the field of computer accessories, in particular to a dustproof case. Background Art

[0002] As one of the main accessories of a computer, the chassis supports, fixes and protects devices such as the CPU and graphics card. Since electronic devices such as the CPU and graphics card will generate heat during operation, it is usually necessary to open vents on the chassis and use fans to dissipate heat. The size of the vents in a conventional air-cooled chassis is fixed. Even when the computer is not in use, a large amount of suspended particles, fluff and other dust in the environment will still enter the chassis. Utility Model Content

[0003] The utility model aims to provide a dustproof case to solve the problem that the vents of a conventional case are fixed in size, and when the computer is not in use, a large amount of dust such as suspended particles and fluff in the environment still enters the case.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A dustproof chassis comprises: a chassis, a fan built into the chassis and an opening and closing mechanism, wherein the chassis is provided with a vent, and the opening and closing mechanism comprises a traction member and a rotating blade, wherein the rotating blade is rotatably connected to the chassis via a first rotating shaft, the traction member comprises a first connecting end fixedly connected to the rotating blade and a second connecting end slidably connected to the vent, the vent is provided with a reset spring fixedly connected to the second connecting end, and the vent, the fan and the rotating blade are arranged in sequence from left to right along the horizontal direction.

[0006] The size of the vents of a conventional case is fixed and will allow suspended particles, fluff and other dust in the environment to enter the inside of the case regardless of whether the case needs to dissipate heat or not. The utility model provides a dustproof case, in which the fan speed is adjusted accordingly according to the heat dissipation demand. When there is no heat dissipation demand or the heat dissipation demand is low inside the case, the pulling force on the traction member provided by the reset spring makes the fan unable to blow the rotating fan blades, and the vent only retains a small gap for ventilation. When the heat dissipation demand inside the case increases, the wind force provided by the fan also increases accordingly. The rotating blades rotate under the action of the wind force, thereby pulling the traction member, and finally causing the second connection end of the traction member at the vent to slide upward, thereby increasing the ventilation area of ​​the vent. By setting the size of the vent to an adjustable form, the size of the vent is reduced when the host is not in use or the performance release requirement is low, the amount of dust entering the inside of the case is reduced, and the dustproof effect of the entire case is improved. In addition, when the heat dissipation demand is large, the vent is fully opened to meet the heat dissipation demand. At the same time, the opening and closing control of the vent of the dustproof case provided by the utility model is only realized by a mechanical structure, and no electrical control is adopted, so the structure is simple and the cost is low.

[0007] Furthermore, the vent includes a first baffle member and a second baffle member, the first baffle member is a frame structure and is slidably connected to the second connecting end of the traction member, the first baffle member and the second baffle member are arranged up and down in the vertical direction and are both inclined toward the inside of the box body, the first baffle member includes a third connecting end fixedly connected to the chassis and an air inlet end, the air inlet end faces the upper surface of the second baffle member and a gap is provided between the air inlet end and the second baffle member.

[0008] The main source of dust in an air-cooled chassis is that air enters the chassis through the vents during heat dissipation. Therefore, the shape or structure of the vents also affects the dust-proof effect of the chassis. By providing upper and lower baffles at the vents, both of which are inclined toward the inside of the chassis, and the end of the upper baffle that is not connected to the vent is opposite to the upper surface of the lower baffle, leaving a gap for air to enter. The structure of the baffles that are relatively and inclined can reduce the amount of dust entering the inside of the chassis when the host is not in use. At the same time, the upper baffle is a frame structure and is slidably connected to the traction member, ensuring the normal realization of the adjustable vent size function.

[0009] Furthermore, an adsorption layer for adsorbing dust is provided on the upper surface of the second baffle member.

[0010] Setting a baffle can effectively reduce the amount of dust that enters the chassis when the host is not in use. By installing an adsorption layer on the upper surface of the lower baffle and using the inclined surfaces of the two baffles for guidance, part of the dust brought by the air can fall on the adsorption layer when the host is dissipating heat, thereby reducing the amount of dust that enters the chassis and further improving the dust-proof effect of the chassis.

[0011] Furthermore, the adsorption layer includes an adsorption surface and a connection surface, and the adsorption layer is detachably connected to the upper surface of the second baffle member via the connection surface.

[0012] After the adsorption layer is used for a long time, its adsorption effect will decrease due to dust accumulation. By setting the adsorption layer in a detachable form, it is easy to replace it, thereby ensuring its adsorption effect.

[0013] Furthermore, the dustproof chassis also includes an air outlet, which is fixedly connected to the chassis and is in a volute shape.

[0014] The volute-shaped air outlet usually has a tortuous path, which is more tortuous and complex than a straight channel, making it difficult for dust particles to enter the chassis from the air outlet, thereby improving the dust-proof effect of the chassis.

[0015] Furthermore, the traction member is made of cellophane or PET plastic.

[0016] As one of the main components of the opening and closing mechanism, the traction part needs to bear tensile force frequently. By using materials with high anti-stuck strength such as cellophane or PET plastic, it is ensured that the traction part is not easily deformed under frequent tensile force, so as to improve the overall service life of the opening and closing mechanism. At the same time, by using lightweight materials such as cellophane or PET plastic as the traction part, the traction part can be driven to move normally when the fan blows, so as to ensure the normal opening and closing of the opening and closing mechanism.

[0017] Furthermore, a connecting rope is fixedly connected to the inner wall of the chassis, and the fan is detachably connected to the connecting rope.

[0018] To ensure the stable operation of the fan, the fan inside the chassis needs to be fixed. The fan is fixed by using a detachable connecting rope, which reduces the complexity of the internal structure of the chassis. The connecting rope is made of flexible material, which is easy to transport and not easily damaged during transportation.

[0019] Furthermore, the number of the connecting ropes is three and they are distributed at equal angles around the rotation center of the fan, and the connecting ropes are made of antistatic fiber.

[0020] The simpler the internal structure of the chassis, the less dust will stay and adhere to the inside of the chassis. By using three connecting ropes distributed at equal angles around the center of rotation of the fan, while ensuring that the fan is fixed and stable, the internal structure of the chassis is streamlined and the structure for dust accumulation is reduced. The connecting rope made of anti-static fiber can effectively reduce dust adhesion, reduce the retention of dust in the chassis, and further enhance the dustproof effect of the chassis.

[0021] Furthermore, the fan is a bladeless fan.

[0022] When the fan blades rotate, static electricity is generated, which can easily cause dust accumulation. By using a bladeless fan, dust accumulation on the fan can be reduced, ensuring the normal operation of the fan.

[0023] Furthermore, the vents and opening and closing mechanisms are both sufficient in number and evenly distributed.

[0024] By evenly arranging multiple vents and opening and closing mechanisms, it is ensured that air can flow evenly to the main heat source area, thereby improving the overall heat dissipation efficiency of the chassis and avoiding local overheating.

[0025] One or more technical solutions provided by the utility model have at least the following technical effects or advantages:

[0026] (1) The utility model provides a dustproof case, which can reduce the size of the vents when the host is not in use or has low performance requirements by setting the size of the vents to an adjustable form. When the heat dissipation requirement is large, the vents can be fully opened to still meet the heat dissipation requirement, thereby improving the dustproof effect. At the same time, the opening and closing control of the vents of the dustproof case provided by the utility model is realized only by a mechanical structure, without electrical control, and has a simple structure and low cost.

[0027] (2) The utility model provides a dustproof case, which reduces the dust from entering the case when the host is not in use by arranging two upper and lower baffles at the vents, both of which are inclined toward the inside of the case, and the end of the upper baffle that is not connected to the vent is opposite to the upper surface of the lower baffle. In addition, by installing an adsorption layer on the upper surface of the lower baffle and using the inclined surfaces of the two baffles as a guide, part of the dust brought by the air can fall on the adsorption layer when the host is dissipating heat, thereby reducing the dust from entering the case and further improving the dustproof effect of the case.

[0028] (3) The utility model provides a dustproof chassis, the opening and closing control of the ventilation opening of which is realized only by a mechanical structure, without adopting electrical control, and has a simple structure and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of the present utility model, and do not constitute a limitation on the embodiments of the present utility model;

[0030] Figure 1 It is a schematic diagram of the structure of the dustproof chassis in the utility model;

[0031] Figure 2 This utility model Figure 1 A partial enlarged view of the middle A;

[0032] Figure 3It is a structural schematic diagram of a vent including a first baffle member and a second baffle member in the utility model;

[0033] Figure 4 It is a structural schematic diagram of a dustproof case including a volute-shaped air outlet in the utility model;

[0034] Among them, 1-box, 101-ventilation port, 102-connecting rope, 110-first baffle member, 111-second baffle member, 112-adsorption layer, 2-fan, 3-opening and closing mechanism, 301-traction member, 302-rotating blade, 303-first rotating shaft, 4-air outlet. DETAILED DESCRIPTION

[0035] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those within the scope of this description. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0037] Embodiment 1

[0038] Please refer to Figure 1-Figure 3A dustproof case provided by an embodiment of the utility model comprises a case body 1, a fan 2 built in the case body 1 and an opening and closing mechanism 3. The case body 1 is a cubic structure and has reserved installation positions for components such as a CPU, a graphics card and a power supply according to actual needs. The fan 2 can be connected to the case body 1 by a plastic bracket through screws or detachably connected by a slot. Preferably, it can also be connected by a connecting rope 102. One end of the connecting rope 102 is fixedly connected to the case body 1. The fixed connection can also be an adhesive or binding connection. The other end of the connecting rope 102 is detachably connected to the fan 2. The detachable connection can be a snap connection or a hook and loop connection. By adopting a detachable The fan 2 is fixed by a connecting rope, which reduces the complexity of the internal structure of the box 1. The connecting rope 102 is made of flexible material, which is easy to transport and not easily damaged during transportation. In order to make the structure of the fan 2 fixing part as simple as possible while ensuring the smooth operation of the fan, the number of connecting ropes 102 is three and they are distributed at equal angles around the rotation center of the fan 2. The material of the connecting rope 102 is antistatic fiber to reduce the adhesion of dust. The antistatic fiber can be antistatic polyester or antistatic nylon. The power cord of the fan 2 is built into the connecting rope 102. As a preferred solution, the fan 2 can adopt a bladeless fan to reduce the accumulation of dust on the blades, thereby ensuring the long-term normal operation of the fan 2.The housing 1 is provided with a vent 101 for supplying air when the inside of the housing is cooled. The opening and closing mechanism 3 includes a traction member 301 and a rotating blade 302. The rotating blade 302 is rotatably connected to the housing 1 via a first rotating shaft 303. The traction member 301 includes a first connecting end and a second connecting end. The first connecting end is fixedly connected to the rotating blade 302, and the second connecting end is slidably connected to the vent 101. The sliding connection may be a guide rail connection or a slide rail slider connection. The vent 101 is fixedly connected to a reset spring and is fixedly connected to the second connecting end of the traction member via the reset spring. The vent 101, the fan 2 and The rotating blades 302 are arranged in sequence from left to right along the horizontal direction. The traction member 301 can be a steel wire rope or a flexible plastic belt. The box body 1 is a hollow structure. The traction member 301 is arranged in the hollow structure of the box body 1 and is guided by a plurality of pulleys. The traction member 301 is hidden inside the box body 1 to improve the cleanliness inside the chassis. When the host is not in use or the power consumption is low, the fan 2 does not run or runs at a low speed. The vent 101 only leaves a small gap for ventilation to prevent a large amount of dust from entering the chassis. When the temperature inside the chassis is too high and the fan 2 starts to run at a high speed, the fan 2 blows the rotating blades 302 to drive the traction member 301 to rotate. The guide member 301 moves, thereby driving the second connection end of the traction member 301 at the vent to move, and the ventilation area of ​​the vent 101 increases. At this time, the reset spring is in a stretched state. When the fan slows down or stops, the traction member returns to the initial state under the action of the reset spring, and the ventilation area of ​​the vent 101 also returns to a state with only a small gap left. Among them, when the rotating blades are not blown by the fan, they are vertically arranged, and the height of the axis of the first rotating shaft 303 in the horizontal direction is equal to or slightly higher than the horizontal symmetry line of the fan surface of the fan 2, that is, when the fan 2 runs at a high speed, it can ensure that the blades rotate normally. As a preferred solution, The traction member 301 is made of cellophane or PET plastic. By using cellophane or PET plastic, a material with high anti-stuck strength, it is ensured that the traction member 301 is not easily deformed under frequent pulling force, so as to improve the overall service life of the opening and closing mechanism 3. At the same time, by using a lightweight material such as cellophane or PET plastic as the traction member, when the fan 2 blows, it can normally drive the traction member 301 to move, so as to ensure the normal opening and closing of the opening and closing mechanism 3. The vents 101 and the opening and closing mechanism 3 are both multiple and evenly distributed. The vents 101 can be either air inlets or air outlets, so as to improve the heat dissipation effect of the chassis.

[0039] As a preferred solution, a first baffle member 110 and a second baffle member 111 are fixedly connected to the vent 101, the first baffle member 110 and the second baffle member 111, the first baffle member 110 is a frame structure and is slidably connected to the second connection end of the traction member 301, the first baffle member 110 and the second baffle member 111 are arranged up and down in the vertical direction and are both inclined toward the inside of the box body 1, the first baffle member 110 includes a third connection end and an air inlet end fixedly connected to the box body 1, the air inlet end faces the upper surface of the second baffle member 111, and a gap is provided between the air inlet end and the second baffle member 111, by arranging two upper and lower baffles at the vent, both of which are inclined toward the inside of the chassis, and the end of the upper baffle that is not connected to the vent is opposite to the upper surface of the lower baffle, and a gap is left at the opposite position for air to enter. The structure of the baffle members that are relatively and obliquely arranged can reduce the amount of dust that enters the chassis when the host is not in use, further improving the dust-proof effect of the chassis. At the same time, the upper baffle is a frame structure and is slidably connected to the traction member to achieve adjustment of the opening and closing size of the vent 101. As a preferred embodiment, the upper surface of the second baffle member 111 is detachably connected with an adsorption layer 112 for adsorbing dust. The detachable connection can be a snap connection or a slot connection. The adsorption layer 112 can be a self-adhesive sticker or electrostatic paper. The adsorption layer 112 is added to the upper surface of the second baffle member 111, and the inclined surfaces of the two baffles are used as guidance. This can further enable the host to further heat dissipate heat so that part of the dust brought by the air can fall on the adsorption layer, thereby reducing the dust that enters the chassis and improving the dust-proof effect of the chassis. The detachable connection facilitates the replacement of the adsorption layer.

[0040] Embodiment 2

[0041] Please refer to Figure 4 The utility model provides a dustproof chassis based on the first embodiment, wherein the chassis body 1 of the dustproof chassis is also fixedly connected with a volute-shaped air outlet 4, and the fixed connection can be a welding or a threaded connection. The volute-shaped air outlet usually has a tortuous path, which is more tortuous and complex than a straight channel, making it difficult for dust particles to enter the interior of the chassis from the air outlet, thereby improving the dustproof effect of the chassis.

[0042] The air outlet 4 can also be set on the top of the box body 1. A circular hole is opened on the top of the box body 1. The volute-shaped air outlet 4 is rotatably connected to the circular hole and can rotate around the central axis of the volute. When natural wind blows through the volute-shaped air outlet 4, the top of the volute rotates, resulting in a high flow rate of surrounding gas and a low-pressure area. The air outlet 4 faces the lower position of the inside of the chassis, where the gas flow rate is high, and a relatively high-pressure area is generated. This pressure difference will expel the indoor gas, thereby achieving heat dissipation while reducing the entry of external dust.

[0043] Although the preferred embodiments of the present invention have been described, those skilled in the art may make other changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications falling within the scope of the present invention.

[0044] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A dustproof chassis, characterized in that: include: A box (1), a fan (2) built into the box (1), and an opening and closing mechanism (3); the box (1) is provided with a vent (101); the opening and closing mechanism (3) comprises a traction member (301) and a rotating blade (302); the rotating blade (302) is rotatably connected to the box (1) via a first rotating shaft (303); the traction member (301) comprises a first connection end fixedly connected to the rotating blade (302) and a second connection end slidably connected to the vent (101); the vent (101) is provided with a return spring fixedly connected to the second connection end; the vent (101), the fan (2), and the rotating blade (302) are arranged in sequence from left to right along a horizontal direction.

2. A dustproof chassis according to claim 1, characterized in that: The vent (101) comprises a first baffle member (110) and a second baffle member (111); the first baffle member (110) is a frame structure and is slidably connected to the second connection end of the traction member (301); the first baffle member (110) and the second baffle member (111) are arranged vertically up and down and are both inclined toward the inside of the box (1); the first baffle member (110) comprises a third connection end fixedly connected to the box (1) and an air inlet end; the air inlet end faces the upper surface of the second baffle member (111) and a gap is provided between the air inlet end and the second baffle member (111).

3. A dustproof chassis according to claim 2, characterized in that: An adsorption layer (112) for adsorbing dust is provided on the upper surface of the second baffle member (111).

4. A dustproof chassis according to claim 3, characterized in that: The adsorption layer (112) comprises an adsorption surface and a connection surface, and the adsorption layer (112) is detachably connected to the upper surface of the second baffle member (111) via the connection surface.

5. The dustproof chassis according to claim 1, characterized in that: The dustproof case further comprises an air outlet (4), wherein the air outlet (4) is fixedly connected to the case body (1) and is in the shape of a volute.

6. The dustproof chassis according to claim 1, characterized in that: The traction member (301) is made of cellophane or PET plastic.

7. The dustproof chassis according to claim 1, characterized in that: A connecting rope (102) is fixedly connected to the inner wall of the box body (1), and the fan (2) is detachably connected to the connecting rope.

8. The dustproof chassis according to claim 7, characterized in that: The number of the connecting ropes (102) is three and they are distributed at equal angles around the rotation center of the fan (2); the connecting ropes (102) are made of antistatic fiber.

9. The dustproof chassis according to claim 1, characterized in that: The fan (2) is a bladeless fan.

10. The dustproof chassis according to claim 1, characterized in that: The ventilation openings (101) and the opening and closing mechanisms (3) are both numerous and evenly distributed.

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