CN218100148U - Dust blocking structure at heat radiation fan of computer case - Google Patents
Dust blocking structure at heat radiation fan of computer case Download PDFInfo
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- CN218100148U CN218100148U CN202222578410.7U CN202222578410U CN218100148U CN 218100148 U CN218100148 U CN 218100148U CN 202222578410 U CN202222578410 U CN 202222578410U CN 218100148 U CN218100148 U CN 218100148U
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- movable
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- heat dissipation
- dust blocking
- dust
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a dust blocking structure at a cooling fan of a computer case, which comprises a case body, a cooling fan and a movable dust blocking device; the movable dust blocking device comprises a fixed cover, movable fan blades, a pull rod, a connecting block and a lateral support. The utility model has the advantages that: when the computer is in a shutdown state, the movable fan blades in the movable dust blocking device are turned to a vertical state under the action of gravity, and at the moment, the upper movable fan blade and the lower movable fan blade are closed and closed to each other, so that external dust is effectively prevented from entering the interior of the case body from the heat dissipation holes; when the computer cooling fan blows air outwards, the movable fan blades can be driven to turn to the horizontal state, an air outlet is formed between the upper movable fan blade and the lower movable fan blade at the moment, heat inside the case can be conveniently and smoothly discharged, and the dust prevention and blocking effect is good.
Description
Technical Field
The utility model relates to a computer machine case keeps off grey structure field, what especially relate to is a grey structure that keeps off of computer machine case radiator fan department.
Background
Electronic components of desktop computers are generally mounted in a computer case, and some components in the computer generate a large amount of heat during operation, which affects the operation of the electronic components themselves and other electronic components. Therefore, a special heat dissipation fan is designed in the computer, and the heat dissipation fan can provide flowing air flow to quickly take away heat.
In the prior art, the wind direction of the cooling fan at the back side of the computer case is generally blown from the inside of the case to the outside, at this time, external dust is not easy to enter the inside of the case, but when no cooling blowing is performed at ordinary times, because the air outlet is not shielded, the dust also enters the inside of the case through the air outlet, and the dust is gradually accumulated, so that the dust is usually accumulated in the inside of the case, the heat dissipation is influenced, and even the normal operation speed of a computer is influenced.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the dust blocking structure of the computer case cooling fan effectively prevents external dust from entering the interior of the case and does not influence the heat dissipation performance of a computer.
The technical scheme of the utility model as follows: a dust blocking structure at a heat dissipation fan of a computer case; comprises a case body, a cooling fan and a movable dust blocking device;
the movable dust blocking device is arranged at the outer side part of the heat dissipation hole, and the heat dissipation fan can blow air flow to the outer side of the heat dissipation hole so as to enable the movable dust blocking device to be in an open or closed state;
the movable ash blocking device comprises a fixed housing, movable fan blades, a pull rod, a connecting block and lateral supports, wherein the fixed housing is covered on heat dissipation holes in the back side of the case body, a ventilation groove is formed in the middle of the fixed housing, the lateral supports are arranged on the left side and the right side of the ventilation groove, and the left end and the right end of each of the movable fan blades are rotatably connected with the lateral supports through first movable shafts respectively;
the pull rod is arranged between the two lateral supports, the back of each movable fan blade is fixedly connected with a connecting block respectively, and the connecting block is movably connected with the pull rod through a second movable shaft;
when the cooling fan blows air flow, the movable fan blades can be driven to turn over to a horizontal state, and an air outlet convenient for smooth discharge of heat in the case body is formed between the upper movable fan blade and the lower movable fan blade; when the heat dissipation fan stops operating, the movable fan blades are restored to a vertical state under the action of gravity, and the upper movable fan blade and the lower movable fan blade are closed by being closed.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, when the movable fan blades are restored to the vertical state under the action of gravity, the distance between the discrete hot fans at the back of the movable fan blades is 20-50 mm.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the cooling air volume of the cooling fan is at least 58CFM.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the movable fan blades are made of plastic materials.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the length and width of the movable fan blades are 25 multiplied by 85mm.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the thickness of the movable fan blades is not more than 3mm.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the number of the movable fan blades is four.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, when the movable fan blades are turned to be in a horizontal state under the action of the wind power of the cooling fan, the vertical distance between the upper movable fan blade and the lower movable fan blade is 50mm.
By adopting the technical scheme, in the dust blocking structure at the position of the cooling fan of the computer case, the fixed housing is fixedly connected with the back side part of the case body through the bolt.
Compared with the prior art, the beneficial effects of the utility model are that: when the computer is in a shutdown state and the heat dissipation fan stops dissipating heat inside the case, the movable fan blades in the movable dust blocking device are turned over to be in a vertical state under the action of gravity, and the upper movable fan blade and the lower movable fan blade are closed and closed to effectively prevent external dust from entering the case body from the heat dissipation holes; when the computer is in the operation process, and when heat is generated inside, the heat radiation fan blows air flow outwards, can drive the movable fan blades to overturn to a horizontal state, and an air outlet is formed between the upper movable fan blade and the lower movable fan blade at the moment, so that heat inside the case can be smoothly discharged, and in the heat discharging process, outside dust can not enter the case body from the air outlet, and the dust blocking effect is good.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the back side structure of the case body of the present invention;
FIG. 3 is a schematic view of the front structure of the movable ash blocking device of the present invention;
fig. 4 is a schematic view of the back structure of the movable ash blocking device of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the embodiments of the present application will be described in detail and completely with reference to the accompanying drawings of the embodiments of the present application, and it is obvious that the described embodiments are some but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the present patent application without inventive step, are within the scope of protection of the present patent application. Thus, the following detailed description of the embodiments of the present patent application, as presented in the figures, is not intended to limit the scope of the claimed patent application, but is merely representative of selected embodiments of the patent application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given in the present patent application without inventive step, are within the scope of protection of the present patent application.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inside", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Fig. 1 to 4 show that a dust blocking structure of a computer case cooling fan includes a case body 1, a cooling fan and a movable dust blocking device 2, a plurality of heat dissipation holes 10 are provided on a back side portion of the case body 1, the cooling fan is provided on an inner side portion of the heat dissipation holes 10, the movable dust blocking device 2 is provided on an outer side portion of the heat dissipation holes 10, and the cooling fan can blow out an air flow to an outer side of the heat dissipation holes 10 so that the movable dust blocking device 2 is in an open or closed state. When the computer is in a shutdown state, the movable dust blocking device 2 is in a closed state, and external dust cannot enter the case body 1 through the heat dissipation holes 10; when the computer is in an operating state, the heat radiation fan blows wind outward to open the movable dust blocking device 2, so that heat inside the case body 1 can be conveniently discharged.
As shown in fig. 4, the movable ash blocking device 2 includes a fixed housing 21, movable blades 22, a pull rod 23, a connecting block 24 and a lateral bracket 25, the fixed housing 21 covers the heat dissipation holes 10 on the back side of the chassis body 1, a ventilation slot 210 is arranged in the middle of the fixed housing 21, the lateral bracket 25 is arranged on the left and right sides of the ventilation slot 210, and the left and right ends of the movable blades 22 are rotatably connected with the lateral bracket 25 through a first movable shaft 221. When the heat dissipation fan blows air to the outside through the ventilation slot 210, the movable blade 22 is driven to horizontally turn around the first movable shaft 221.
The pull rod 23 is disposed between two lateral brackets 25, the back of each of the movable blades 22 is fixedly connected to a connecting block 24, and the connecting block 24 is movably connected to the pull rod 23 through a second movable shaft (not shown). The pull rod 23 can connect the plurality of movable blades 22, when the computer is in a shutdown state and the heat dissipation fan stops dissipating heat from the inside of the case, the movable blades 22 in the movable dust blocking device 2 are turned over to a vertical state under the action of gravity, and at the moment, the upper and lower movable blades 22 are closed by being closed to each other, so that external dust is effectively prevented from entering the inside of the case body 1 from the heat dissipation hole 10; when the computer is in the operation process, when inside produced heat, radiator fan blows off the air current to the outside, can drive movable flabellum 22 upset to the horizontality, is formed with the air outlet between two upper and lower movable flabellums 22 this moment, and the heat of the quick-witted incasement portion of being convenient for discharges smoothly, and at the heat discharge in-process, outside dust also can not follow inside the air outlet gets into machine case body 1, keeps off grey effectual.
Further, when the movable fan blade 22 is restored to the vertical state under the action of gravity, the distance between the discrete hot fans on the back of the movable fan blade 22 is 20-50 mm. In this embodiment, when the movable fan blade returns to the vertical state under the action of gravity, the distance between the discrete hot fans on the back of the movable fan blade 22 is 30mm.
Further, the heat dissipation air volume of the heat dissipation fan is at least 58CFM. In this embodiment, the heat dissipating air volume of the heat dissipating fan is 67CFM, and the heat dissipating air volume of the heat dissipating fan is set to be at least 58CFM, so that it can be ensured that the wind power of the heat dissipating fan can drive the movable fan blades 22 to turn over.
Further, the movable fan blade 22 is made of plastic material.
Further, the length and width of the movable fan blade 22 are 25 × 85mm.
Further, the thickness of the movable fan blade 22 is not more than 3mm. In this embodiment, the thickness of the movable blade 22 is 2mm. It should be noted that the thickness of the movable blade 22 should not be too large, otherwise the weight is too large, so that the wind power of the cooling fan is not enough to drive the movable blade 22 to turn horizontally.
Further, the number of the movable fan blades 22 is four.
Further, when the movable fan blades 22 are turned over to be in a horizontal state under the action of the wind force of the cooling fan, the vertical distance between the upper and lower movable fan blades 22 is 50mm.
Further, the fixed cover 21 is fixedly connected with the back side of the chassis body 1 through bolts. The fixed cover 21 is fixedly connected with the back side part of the case body 1 through bolts, so that the movable dust blocking device 2 can be conveniently and quickly assembled and disassembled.
Compared with the prior art, the beneficial effects of the utility model are that: when the computer is in a shutdown state and the cooling fan stops cooling the inside of the case, the movable fan blades in the movable dust blocking device are turned to a vertical state under the action of gravity, and at the moment, the upper movable fan blade and the lower movable fan blade are closed and closed to each other, so that external dust is effectively prevented from entering the inside of the case body from the cooling hole; when the computer is in the operation in-process, during inside production of heat, radiator fan blows off the air current to the outside, can drive movable flabellum upset to the horizontality, is formed with the air outlet between two upper and lower movable flabellums this moment, and the heat of the inside of quick-witted case of being convenient for discharges smoothly, and at heat discharge in-process, inside outside dust can not get into quick-witted case body from the air outlet yet, keeps off grey effectual.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a grey structure that keeps off of computer machine case radiator fan department which characterized in that: comprises a case body, a cooling fan and a movable dust blocking device;
the movable dust blocking device is arranged at the outer side part of the heat dissipation hole, and the heat dissipation fan can blow air flow to the outer side of the heat dissipation hole so as to enable the movable dust blocking device to be in an open or closed state;
the movable ash blocking device comprises a fixed housing, movable fan blades, a pull rod, a connecting block and lateral supports, wherein the fixed housing is covered on heat dissipation holes in the back side of the case body, a ventilation groove is formed in the middle of the fixed housing, the lateral supports are arranged on the left side and the right side of the ventilation groove, and the left end and the right end of each of the movable fan blades are rotatably connected with the lateral supports through first movable shafts respectively;
the pull rod is arranged between the two lateral supports, the back of each movable fan blade is fixedly connected with a connecting block respectively, and the connecting block is movably connected with the pull rod through a second movable shaft;
when the cooling fan blows air flow, the movable fan blades can be driven to turn over to be in a horizontal state, and an air outlet convenient for smoothly discharging heat in the case body is formed between the upper movable fan blade and the lower movable fan blade; when the heat dissipation fan stops operating, the movable fan blades are restored to a vertical state under the action of gravity, and the upper movable fan blade and the lower movable fan blade are closed by being closed.
2. The dust shielding structure of the heat dissipation fan of the computer case as claimed in claim 1, wherein: when the movable fan blades are restored to the vertical state under the action of gravity, the distance between the discrete hot air fans on the back of the movable fan blades is 20-50 mm.
3. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 2, wherein: the heat dissipation air volume of the heat dissipation fan is at least 58CFM.
4. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 3, wherein: the movable fan blades are made of plastic materials.
5. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 4, wherein: the length and width of the movable fan blades are 25 x 85mm.
6. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 5, wherein: the thickness of the movable fan blades is not more than 3mm.
7. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 6, wherein: the number of the movable fan blades is four.
8. The dust shielding structure of the heat dissipation fan of the computer case as claimed in claim 7, wherein: when the movable fan blades are turned to be in a horizontal state under the action of the wind power of the cooling fan, the vertical distance between the upper movable fan blade and the lower movable fan blade is 50mm.
9. The dust blocking structure at the position of the heat dissipation fan of the computer case as claimed in claim 1, wherein: the fixed housing is fixedly connected with the back side part of the case body through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578410.7U CN218100148U (en) | 2022-09-28 | 2022-09-28 | Dust blocking structure at heat radiation fan of computer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222578410.7U CN218100148U (en) | 2022-09-28 | 2022-09-28 | Dust blocking structure at heat radiation fan of computer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218100148U true CN218100148U (en) | 2022-12-20 |
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ID=84454963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222578410.7U Active CN218100148U (en) | 2022-09-28 | 2022-09-28 | Dust blocking structure at heat radiation fan of computer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218100148U (en) |
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2022
- 2022-09-28 CN CN202222578410.7U patent/CN218100148U/en active Active
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