CN216142980U - Dustproof mesh enclosure and fan - Google Patents
Dustproof mesh enclosure and fan Download PDFInfo
- Publication number
- CN216142980U CN216142980U CN202122000884.9U CN202122000884U CN216142980U CN 216142980 U CN216142980 U CN 216142980U CN 202122000884 U CN202122000884 U CN 202122000884U CN 216142980 U CN216142980 U CN 216142980U
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- Prior art keywords
- hole
- fan
- stopper
- disposed
- dust screen
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- Expired - Fee Related
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- 238000009423 ventilation Methods 0.000 claims abstract description 42
- 239000000428 dust Substances 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 abstract description 5
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a dust-proof mesh enclosure and a fan. Wherein, dustproof screen panel includes: an outer band having a vent hole; the pendulum leaf, the rotatable locating of pendulum leaf in the ventilation hole, the quantity of pendulum leaf has a plurality ofly, and is a plurality of the pendulum leaf interval is arranged in the ventilation hole under the state that the ventilation hole is not ventilated, it is a plurality of the pendulum leaf rotates to the closure the ventilation hole. The dustproof mesh enclosure provided by the utility model can protect the inside of the fan when the fan is not used, so that dust is prevented from entering the fan, frequent cleaning is not required, and the dustproof mesh enclosure is convenient to use.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a dustproof mesh enclosure and a fan.
Background
The fan is a tool for cooling fresh air, and after the fan is electrified by an internally arranged driving motor, the fan blades are driven to rotate, mechanical energy is converted into wind energy, and therefore the fan is converted into natural wind to achieve a cooling effect.
Among the prior art, in order to protect the user, avoid the user to touch the flabellum, the fan generally is provided with outer hoop, and outer hoop generally is hollow out construction to the air current flows.
Therefore, when the fan is idle, external dust can easily enter the fan through the outer hoop, and dust is easily accumulated in the fan and is inconvenient to clean in the idle process of a long time.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dustproof mesh enclosure and a fan, which are used for solving the defects of easiness in dust accumulation and inconvenience in cleaning of the fan in the prior art in the idle process and avoiding dust entering of the fan in the idle process.
The utility model provides a dust-proof mesh enclosure, comprising:
an outer band having a vent hole;
the pendulum leaf, the rotatable locating of pendulum leaf in the ventilation hole, the quantity of pendulum leaf has a plurality ofly, and is a plurality of the pendulum leaf interval is arranged in the ventilation hole under the state that the ventilation hole is not ventilated, it is a plurality of the pendulum leaf rotates to the closure the ventilation hole.
According to the dustproof mesh enclosure provided by the utility model, the plurality of swing blades are arranged in a coplanar manner under the state that the ventilation holes are not ventilated.
According to the dust screen provided by the utility model, the swing blades extend obliquely in the vertical direction.
According to the dust screen provided by the utility model, the top end of the swing blade is provided with the first rotating shaft, the bottom end of the swing blade is provided with the second rotating shaft, the upper side wall of the ventilation hole is provided with the first rotating hole, the lower side wall of the ventilation hole is provided with the second rotating hole, the first rotating shaft is rotatably inserted into the first rotating hole, and the second rotating shaft is rotatably inserted into the second rotating hole.
According to the dustproof mesh enclosure provided by the utility model, the side wall of the first rotating shaft is provided with a first limiting block, the side wall of the first rotating hole is provided with a first limiting hole, and the first limiting block is arranged in the first limiting hole;
and/or, the lateral wall of second axis of rotation is equipped with the second stopper, the lateral wall in second rotation hole has the spacing hole of second, the second stopper is arranged in the spacing downthehole of second.
According to the dust-proof mesh enclosure provided by the utility model, under the condition that the first limit block of each swing blade abuts against one side wall of the corresponding first limit hole, the swing blade closes the vent hole, the swing blades are arranged in a coplanar manner, and under the condition that the first limit block of each swing blade abuts against the other side wall of the corresponding first limit hole, the swing blades are arranged in parallel;
and/or, under the condition that the second limiting block of each swinging blade abuts against the corresponding side wall of one side of the second limiting hole, the swinging blade closes the ventilation hole, the swinging blades are arranged in a coplanar manner, and under the condition that the second limiting block of each swinging blade abuts against the corresponding side wall of the other side of the second limiting hole, the swinging blades are arranged in parallel.
According to the dust screen provided by the utility model, a first torsion spring is arranged between the first rotating shaft and the upper side wall of the outer hoop, and/or a second torsion spring is arranged between the second rotating shaft and the lower side wall of the outer hoop, so that the swinging blades are arranged in a coplanar manner under the action of no external force.
According to the dustproof mesh enclosure provided by the utility model, the outer hoop is in a circular shape, and the vent hole is in a circular hole.
The utility model also provides a fan, which comprises a fan body and the dustproof mesh enclosure;
the fan body is provided with an air inlet and an air outlet, the dustproof mesh enclosure is arranged at the air inlet, and/or the dustproof mesh enclosure is arranged at the air outlet.
According to the dustproof mesh enclosure provided by the utility model, the air inlet is obliquely arranged downwards, and/or the air outlet is obliquely arranged upwards.
According to the dustproof mesh enclosure and the fan provided by the utility model, through the plurality of rotatable swing blades, when the fan or other equipment works, air flows through the vent holes to enable the inside and the outside of the vent holes to be communicated, and under the condition that the fan or other equipment does not work, namely the vent holes are not ventilated, the plurality of swing blades rotate to seal the vent holes, so that an approximately closed space is formed inside the fan or other equipment, and external dust can be prevented from entering the fan or other equipment. Compared with the fan structure in the prior art, the dustproof mesh enclosure provided by the utility model can protect the inside of the fan when the fan is not used, so that dust is prevented from entering the fan, frequent cleaning is not needed, and the dustproof mesh enclosure is convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a dust guard according to the present invention;
FIG. 2 is a schematic top-down sectional view of the dust screen according to the present invention;
FIG. 3 is an enlarged schematic view at A in FIG. 2;
FIG. 4 is a schematic side sectional view of a dust guard according to the present invention;
FIG. 5 is an enlarged schematic view at B in FIG. 4;
reference numerals:
10: an outer band; 10 a: a first limit hole; 20: swinging the leaves;
21: a first rotating shaft; 211: a first stopper.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The dust screen and the fan of the present invention will be described with reference to fig. 1 to 5.
Please refer to fig. 1, wherein the dust-proof mesh enclosure comprises:
an outer band 10, said outer band 10 having a vent;
the pendulum leaf 20, the pendulum leaf 20 is rotatable locate in the ventilation hole, the quantity of pendulum leaf 20 has a plurality ofly, and is a plurality of the pendulum leaf 20 interval is arranged in the ventilation hole under the state that the ventilation hole is not ventilated, and is a plurality of the pendulum leaf 20 rotates to the closure the ventilation hole.
The outer hoop 10 is used as a support structure for mounting and positioning the swing blades 20, and the shape thereof can be changed correspondingly according to the structure of the fan, and the ventilation holes therein can allow air flow to pass through.
In this embodiment, the swinging blades 20 are in a long strip shape and can rotate in the ventilation holes to close the ventilation holes or make the ventilation holes communicate with each other, and the shapes of the swinging blades 20 can be different as long as the above functions are realized.
In this embodiment, through the plurality of rotatable swing blades 20, when the fan or other equipment works, air flows through the vent hole, so that the inside and the outside of the vent hole are communicated, and under the condition that the fan or other equipment does not work, that is, under the condition that the vent hole is not ventilated, the plurality of swing blades 20 rotate to seal the vent hole, so that an approximately closed space is manufactured inside the fan or other equipment, and external dust can be prevented from entering the fan or other equipment. Compared with the fan structure in the prior art, the dustproof mesh enclosure provided by the utility model can protect the inside of the fan when the fan is not used, so that dust is prevented from entering the fan, frequent cleaning is not needed, and the dustproof mesh enclosure is convenient to use.
Referring to fig. 1, in an embodiment of the present invention, the plurality of swing vanes 20 are disposed in a coplanar manner when the ventilation holes are not ventilated.
The pendulum leaf 20 that this embodiment provided all is sheet structure, like this, reduces this dust screen panel's thickness to, when making a plurality of pendulum leaves 20 closed the ventilation hole, neat pleasing to the eye.
Furthermore, in an embodiment, a plurality of the swing blades 20 are arranged to extend obliquely in a vertical direction.
Thus, the air blows the swing blade 20 to open the vent hole. Of course, in other embodiments, the plurality of swing vanes 20 may also be arranged to extend laterally, which is not described in detail.
Referring to fig. 2 to 5, in an embodiment of the present invention, a first rotating shaft 21 is disposed at a top end of the swing blade 20, a second rotating shaft is disposed at a bottom end of the swing blade 20, an upper side wall of the ventilation hole has a first rotating hole, a lower side wall of the ventilation hole has a second rotating hole, the first rotating shaft 21 is rotatably inserted into the first rotating hole, and the second rotating shaft is rotatably inserted into the second rotating hole.
Therefore, the stable rotation of the swing blade 20 can be realized, specifically, a rotating shaft is arranged in the swing blade 20 in a penetrating manner, two ends of the rotating shaft extend out of the top end and the bottom end of the swing blade 20 to form the first rotating shaft 21 and the second rotating shaft, and the stable rotation of each swing blade 20 is realized through the limit of the first rotating hole and the second rotating hole.
On the basis of the above structure, the side wall of the first rotating shaft 21 is provided with a first limiting block 211, the side wall of the first rotating hole is provided with a first limiting hole 10a, and the first limiting block 211 is arranged in the first limiting hole 10 a;
and/or, the lateral wall of second axis of rotation is equipped with the second stopper, the lateral wall in second rotation hole has the spacing hole of second, the second stopper is arranged in the spacing downthehole of second.
Therefore, the first limiting block 211 and/or the second limiting block limited by the second limiting hole are/is limited by the first limiting hole 10a, so that the rotation limitation is realized, and the rotation amplitude of the swing blade 20 is ensured.
Further, under the condition that the first limit block 211 of each of the swing blades 20 abuts against one side wall of the corresponding first limit hole 10a, the swing blades 20 close the vent holes, the plurality of swing blades 20 are arranged in a coplanar manner, and under the condition that the first limit block 211 of each of the swing blades 20 abuts against the other side wall of the corresponding first limit hole 10a, the plurality of swing blades 20 are arranged in parallel;
and/or, under the condition that the second limiting block of each swing blade 20 abuts against one side wall of the corresponding second limiting hole, the swing blade 20 closes the vent hole, the swing blades 20 are arranged in a coplanar manner, and under the condition that the second limiting block of each swing blade 20 abuts against the other side wall of the corresponding second limiting hole, the swing blades 20 are arranged in parallel.
That is, with the above-described structure, it is possible to realize that the rotation angle of the swing blade 20 is 90 °, that is, the plurality of swing blades 20 are rotatable to the coplanar arrangement to close the ventilation hole, or, the plurality of swing blades 20 are rotatable to the parallel arrangement for the air flow. Thus, in an embodiment, the opening and closing angle of the first limiting hole 10a is 90 ° + the width of the first limiting block 211, and/or the opening and closing angle of the second limiting hole is 90 ° + the width of the second limiting block, so as to ensure the rotation range. Of course, in other embodiments, the swing angle of the swing blade 20 can be set to other angle ranges, which is not described herein again.
Referring to fig. 1 to 5, in an embodiment of the present invention, the rotation of the swing blade 20 is realized by blowing wind to open the vent hole, and in order to realize the rotation of the swing blade 20 to close the vent hole, in an embodiment, the dust-proof mesh enclosure is arranged obliquely, and swings to close the vent hole by gravity in the absence of wind, specifically, when the dust-proof mesh enclosure is arranged at the air outlet, the air outlet may be arranged obliquely upward, the first limiting hole 10a and/or the second limiting hole is/are opened outward toward the fan or other equipment, so that the swing blade 20 swings outward only, so that, under the absence of wind, the swing blade 20 closes the vent hole by gravity, when arranged at the air inlet, the air inlet is arranged obliquely downward, the first limiting hole 10a and/or the second limiting hole is opened inward toward the fan or other equipment, so that the swing blade 20 swings inward, under the absence of wind, the flap 20 will close the vent by gravity. Furthermore, in another embodiment, the closing of the vent holes by the flap 20 can also be achieved directly by hand. Compared with other protection structures, the dustproof mesh enclosure provided by the utility model is simple in structure and low in cost.
In another embodiment, a first torsion spring is disposed between the first rotating shaft 21 and the upper sidewall of the outer hoop 10, and/or a second torsion spring is disposed between the second rotating shaft and the lower sidewall of the outer hoop 10, so that the plurality of swing vanes 20 are disposed in a coplanar manner without any external force.
In this way, the swing blade 20 can be automatically closed to be arranged in a coplanar manner by the first torsion spring and/or the second torsion spring, and the position can be limited by combining the first limiting hole 10a and/or the second limiting hole.
Of course, in other embodiments, in order to realize that the swing blade 20 rotates to close the ventilation hole, a motor is disposed on the outer hoop 10, the fan blades are linked through the motor, when the fan blades rotate, the swing blade 20 opens the ventilation hole, and when the fan blades stop rotating, the swing blade 20 closes the ventilation hole, so as to protect the inside of the fan or other equipment.
Referring to fig. 1, in an embodiment of the present invention, the outer band 10 is circular, and the vent hole is a circular hole.
The above-mentioned last lateral wall and the lower lateral wall in ventilation hole be relative, and under the condition in ventilation hole position circular hole, go up the lateral wall and be continuous arcwall face with lower lateral wall, like this, can correspond the flabellum shape of fan for the air-out effect is better, and is concrete, on the basis of aforementioned structure, under the state of not ventilating, a plurality of pendulum leaf 20 enclose and close and form a disc, with closed this ventilation hole. Of course, in other embodiments, the outer hoop 10 may also be a rectangular structure, and the ventilation holes are rectangular holes, which are not described in detail.
The utility model also provides a fan, which comprises a fan body and the dustproof mesh enclosure;
the fan body is provided with an air inlet and an air outlet, the dustproof mesh enclosure is arranged at the air inlet, and/or the dustproof mesh enclosure is arranged at the air outlet.
The dustproof mesh enclosure is arranged at the air inlet and/or the air outlet of the fan body, so that external dust can be prevented from entering the inside of the fan under the condition that the fan is not used, cleanness is kept, and frequent cleaning is not needed.
In addition, the air inlet is arranged obliquely downwards, and/or the air outlet is arranged obliquely upwards.
The direction of the air inlet and/or the air outlet is/are arranged, so that the fan can blow air conveniently, and the swinging blade 20 can be automatically closed in an unventilated state by combining the limiting structure of the swinging blade 20, so that the use is convenient.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a dust screen panel which characterized in that includes:
an outer band having a vent hole;
the pendulum leaf, the rotatable locating of pendulum leaf in the ventilation hole, the quantity of pendulum leaf has a plurality ofly, and is a plurality of the pendulum leaf interval is arranged in the ventilation hole under the state that the ventilation hole is not ventilated, it is a plurality of the pendulum leaf rotates to the closure the ventilation hole.
2. The dust screen of claim 1, wherein the plurality of flaps are disposed in a coplanar manner when the ventilation holes are not ventilated.
3. The dust screen of claim 1, wherein the plurality of swing vanes extend obliquely in a vertical direction.
4. The dust screen of any one of claims 1 to 3, wherein a first rotation shaft is disposed at a top end of the swing blade, a second rotation shaft is disposed at a bottom end of the swing blade, an upper side wall of the ventilation hole has a first rotation hole, a lower side wall of the ventilation hole has a second rotation hole, the first rotation shaft is rotatably inserted into the first rotation hole, and the second rotation shaft is rotatably inserted into the second rotation hole.
5. The dust screen of claim 4, wherein the sidewall of the first rotating shaft is provided with a first stopper, the sidewall of the first rotating hole is provided with a first stopper hole, and the first stopper is disposed in the first stopper hole;
and/or, the lateral wall of second axis of rotation is equipped with the second stopper, the lateral wall in second rotation hole has the spacing hole of second, the second stopper is arranged in the spacing downthehole of second.
6. The dust screen of claim 5, wherein the swinging blade closes the ventilation hole when the first stopper of each swinging blade abuts against one side wall of the corresponding first stopper hole, the swinging blades are arranged in a coplanar manner, and the swinging blades are arranged in parallel when the first stopper of each swinging blade abuts against the other side wall of the corresponding first stopper hole;
and/or, under the condition that the second limiting block of each swinging blade abuts against the corresponding side wall of one side of the second limiting hole, the swinging blade closes the ventilation hole, the swinging blades are arranged in a coplanar manner, and under the condition that the second limiting block of each swinging blade abuts against the corresponding side wall of the other side of the second limiting hole, the swinging blades are arranged in parallel.
7. The dust screen of claim 4, wherein a first torsion spring is disposed between the first rotating shaft and the upper sidewall of the outer collar, and/or a second torsion spring is disposed between the second rotating shaft and the lower sidewall of the outer collar, so that the plurality of swing blades are disposed in a coplanar manner without external force.
8. The dust screen of any one of claims 1 to 3, wherein the outer band is circular and the ventilation holes are circular.
9. A fan comprising a fan body and the dust screen as claimed in any one of claims 1 to 8;
the fan body is provided with an air inlet and an air outlet, the dustproof mesh enclosure is arranged at the air inlet, and/or the dustproof mesh enclosure is arranged at the air outlet.
10. The fan as claimed in claim 9, wherein the air inlet is disposed to be inclined downward, and/or the air outlet is disposed to be inclined upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122000884.9U CN216142980U (en) | 2021-08-24 | 2021-08-24 | Dustproof mesh enclosure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122000884.9U CN216142980U (en) | 2021-08-24 | 2021-08-24 | Dustproof mesh enclosure and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216142980U true CN216142980U (en) | 2022-03-29 |
Family
ID=80807589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122000884.9U Expired - Fee Related CN216142980U (en) | 2021-08-24 | 2021-08-24 | Dustproof mesh enclosure and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216142980U (en) |
-
2021
- 2021-08-24 CN CN202122000884.9U patent/CN216142980U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |