CN210919597U - Constant-pressure air outlet structure and bladeless fan thereof - Google Patents
Constant-pressure air outlet structure and bladeless fan thereof Download PDFInfo
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- CN210919597U CN210919597U CN201921948321.9U CN201921948321U CN210919597U CN 210919597 U CN210919597 U CN 210919597U CN 201921948321 U CN201921948321 U CN 201921948321U CN 210919597 U CN210919597 U CN 210919597U
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- air
- air supply
- supply duct
- air outlet
- guide shell
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- 238000009423 ventilation Methods 0.000 claims abstract description 24
- 230000001154 acute effect Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 238000007664 blowing Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a constant voltage air-out structure and bladeless fan thereof, wherein the characterized in that of constant voltage air-out structure: comprises an air guide shell internally provided with an air supply duct; the ventilation area in the air supply duct gradually shrinks along the air supply direction, the position with the larger ventilation area on the air supply duct is communicated with the air inlet on the air guide shell, and the position with the gradually shrunk ventilation area on the air supply duct is communicated with more than one air outlet on the air guide shell. This constant voltage air-out structure sets the draught area to along the gradual change shrink of wind-driven direction through setting the air supply wind channel, effectively maintains the wind pressure of each position in the air supply wind channel and equals basically, and then makes the air-out of blowing equipment even, promotes user's use and experiences.
Description
Technical Field
The utility model relates to an equipment of blowing specifically is a constant voltage air-out structure and bladeless fan thereof.
Background
The traditional blowing equipment generally utilizes a blower or a fan and the like to operate to generate a large amount of air bodies, and the air bodies are conveyed through an air channel and then discharged from corresponding through holes; the ventilation area of each position is the same basically in the current wind channel, so the wind pressure can descend gradually along with the transport of the wind body, and this leads to the air output of the terminal through-hole in intercommunication wind channel less, makes the air-out of blowing equipment inhomogeneous, influences user's use and experiences.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of above-mentioned prior art existence, and provide a constant voltage air-out structure and bladeless fan thereof, its simple structure is reasonable, and the air-out is even, uses and experiences well.
The purpose of the utility model is realized like this:
the utility model provides a constant voltage air-out structure which characterized in that: comprises an air guide shell internally provided with an air supply duct; the ventilation area in the air supply duct gradually shrinks along the air supply direction, the position with the larger ventilation area on the air supply duct is communicated with the air inlet on the air guide shell, and the position with the gradually shrunk ventilation area on the air supply duct is communicated with more than one air outlet on the air guide shell.
As specific embodiments: the ventilation area in the air supply duct is reduced step by step along the air supply direction.
The inner wall of the air supply air duct is provided with more than one stepped surface, and the stepped surfaces correspond to more than one air outlet.
The stepped surface comprises a wind guide part and a wind shielding part, the extending direction of the wind guide part and the wind sending direction are in the same direction or have an acute angle with each other, and the extending direction of the wind shielding part and the wind outlet direction through the wind outlet are in the same direction or have an acute angle with each other.
One side of the air guide shell is provided with a stepped structure corresponding to the air supply duct so as to form a stepped surface; and more than one air outlet which corresponds to and is communicated with the air supply duct is arranged on the other side of the air guide shell.
As yet another specific embodiment: the ventilation area in the air supply duct gradually shrinks in an inclined plane shape along the air supply direction.
The inner wall of the air supply duct is provided with an inclined plane.
A bladeless fan comprises a decorative shell and a base assembly, wherein the decorative shell is assembled on the base assembly; the method is characterized in that: the constant-pressure air outlet structure is also included; the decorative shell is coated on the outer side of the air guide shell, an air supply outlet communicated with the air outlet is formed in the decorative shell, and the air guide shell is assembled on the base component; the base assembly comprises an air blower, and the air outlet end of the air blower is communicated with the air inlet.
The left side and/or the right side of the air guide shell are/is provided with air supply ducts extending up and down, and the bottom ends of the air supply ducts are communicated with an air inlet at the bottom of the air guide shell; the ventilation area of the air supply duct gradually shrinks from bottom to top.
The utility model has the advantages as follows:
through setting the air supply duct to the draught area and along the gradual change shrink of wind direction, effectively maintain the wind pressure of each position in the air supply duct and equal basically, and then make the air-out of blowing equipment even, promote user's use and experience.
Drawings
Fig. 1 is an assembled perspective view of a wind guide casing according to a first embodiment of the present invention.
Fig. 2 is a front view of the air guide casing according to the first embodiment of the present invention.
Fig. 3 is a right side view (partially cut away) of the air guide casing according to the first embodiment of the present invention.
Fig. 4 is a front view (partially cut away) of the air guide casing according to the first embodiment of the present invention.
Fig. 5 is an assembled perspective view of a bladeless fan according to a first embodiment of the present invention.
Fig. 6 is an exploded view of a bladeless fan according to a first embodiment of the present invention.
Fig. 7 is a right side view (partially cut away) of the air guide casing according to the second embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1-4, the constant pressure air outlet structure includes an air guide casing a with an air supply duct a2 therein; the ventilation area (the ventilation area is the cross-sectional area of different positions on the air supply duct A2) in the air supply duct A2 gradually shrinks along the air supply direction d 1; the air supply duct a2 has a larger ventilation area and is communicated with an air inlet a1 on the air guide housing a, and the air supply duct a2 has a gradually shrinking ventilation area and is communicated with more than one air outlet a4 on the air guide housing a. This structure is through setting air supply wind channel A2 to draught area along the gradual change shrink of wind direction, and the wind pressure that effectively maintains each position in the air supply wind channel A2 equals basically, and then makes the air-out of blowing equipment even, promotes user's use and experiences.
Furthermore, the ventilation area in the air supply duct A2 is reduced step by step along the air supply direction d1, so that the problem that the air volume is too small due to too low air pressure of an air outlet far away from an air inlet is effectively solved, and the uniformity of air outlet is ensured.
Furthermore, the rear wall in the air supply duct a2 is provided with more than one stepped surface A3 for increasing air pressure, the air outlet a4 is a strip-shaped hole extending up and down, and each stepped surface A3 corresponds to the air outlet a4 one by one, so that the supercharging effect of the stepped surface A3 is directly reflected on the corresponding air outlet a4, and the consistency of the air pressure of each air outlet a4 is ensured.
Further, the stepped surface A3 includes a wind guiding portion a301 and a wind shielding portion a302 connected to each other; the extending direction of the air guide part A301 is the same as the air conveying direction d1 or an acute angle is formed between the extending direction and the air conveying direction d1, and the air guide part A301 can effectively guide the airflow in the air supply duct A2 to flow along a specified track; the extending direction of the wind blocking portion a302 is the same as or an acute angle with the wind outlet direction d2 through the wind outlet a4, and the wind blocking portion a302 can divert the airflow in the wind supplying duct a2 so that the airflow can be blown out from the corresponding wind outlet a 4.
Furthermore, a step structure A5 corresponding to the air supply duct A2 is arranged on the rear side of the air guide shell A to form a step surface A3; the front side of the air guide shell A is provided with more than one air outlet A4 which corresponds to and is communicated with the inner front wall of the air supply duct A2.
Furthermore, the ventilation area in the air supply duct a2 gradually shrinks along the air supply direction in an inclined plane shape, so as to further avoid the problem that the air volume is too small due to too low air pressure of the air outlet far away from the air inlet.
Furthermore, the inner side walls (left side and/or right side) of the air supply duct a2 are respectively provided with an inclined surface a 6.
Referring to fig. 5 and 6, the bladeless fan according to the present embodiment includes a decorative casing B, a base assembly C, and the constant pressure air outlet structure; the decorative shell B is assembled at the top of the base component C and is formed by assembling a front outer shell 3 and a rear outer shell 4 together, and the decorative shell B is annular as a whole; the decorative shell B is coated on the outer side of the air guide shell A, an air supply outlet B1 corresponding to and communicated with the air outlet A4 is formed in the front side of the decorative shell B, and the air guide shell A is assembled on the top of the base component C; the base component C comprises a blower 5, and the air outlet end of the blower 5 is exposed out of the top of the base component C to be communicated with an air inlet A1.
Furthermore, the air guide shell A is arranged in a U shape, the left side and the right side of the air guide shell A are respectively provided with an air supply duct A2 extending up and down, and the left side and the right side of the decorative shell B are respectively coated with a corresponding air supply duct A2; the bottom end of the air supply duct A2 is communicated with an air inlet A1 at the bottom of the air guide shell A; the ventilation area of the air supply duct A2 gradually shrinks from bottom to top; the air outlet A4 is arranged up and down corresponding to the air supply duct A2.
Further, wind guide shell A is assembled by preceding inner casing 1 and back inner casing 2 jointly, and air intake A1 and air supply duct A2 constitute by preceding inner casing 1 and back inner casing 2 jointly respectively, and stair surface A3 shaping is in the inner wall of back inner casing 2, and stair structure A5 shaping is in the outer wall of back inner casing 2, and air outlet A4 is formed on preceding inner casing 1.
Second embodiment
Referring to fig. 7, the present embodiment relates to a constant pressure air outlet structure, which is different from the first embodiment in that: the ventilation area in the air supply duct A2 gradually shrinks along the air supply direction in an inclined plane shape.
Furthermore, the inner rear wall and the inner side wall (left side and/or right side) of the air supply duct A2 are respectively provided with an inclined surface A6, and the inclined surface A6 corresponds to more than one air outlet A4.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a constant voltage air-out structure which characterized in that: comprises an air guide shell (A) with an air supply duct (A2) inside; the ventilation area in the air supply air duct (A2) shrinks gradually along the air supply direction (d 1), the position with larger ventilation area on the air supply air duct (A2) is communicated with an air inlet (A1) on the air guide shell (A), and the position with gradually shrinking ventilation area on the air supply air duct (A2) is communicated with more than one air outlet (A4) on the air guide shell (A).
2. The constant-pressure air outlet structure of claim 1, wherein: the ventilation area in the air supply duct (A2) is gradually reduced along the air supply direction (d 1).
3. The constant-pressure air outlet structure of claim 2, wherein: the inner wall of the air supply duct (A2) is provided with more than one stepped surface (A3), and the stepped surface (A3) corresponds to more than one air outlet (A4).
4. The constant-pressure air outlet structure of claim 3, wherein: the stepped surface (A3) comprises an air guide part (A301) and a wind shielding part (A302), the extending direction of the air guide part (A301) and the air supply direction (d 1) are in the same direction or have an acute angle with each other, and the extending direction of the wind shielding part (A302) and the air outlet direction (d 2) passing through the air outlet (A4) are in the same direction or have an acute angle with each other.
5. The constant-pressure air outlet structure of claim 3, wherein: a step structure (A5) corresponding to an air supply duct (A2) is arranged on one side of the air guide shell (A) to form a step surface (A3); and more than one air outlet (A4) corresponding to and communicated with the air supply duct (A2) is arranged on the other side of the air guide shell (A).
6. The constant-pressure air outlet structure of claim 1 or 2, wherein: the ventilation area in the air supply duct (A2) gradually shrinks along the air supply direction in an inclined plane shape.
7. The constant-pressure air outlet structure of claim 6, wherein: the inner wall of the air supply duct (A2) is provided with an inclined surface (A6).
8. A bladeless fan comprises a decorative shell (B) and a base component (C), wherein the decorative shell (B) is assembled on the base component (C); the method is characterized in that: the constant-pressure air outlet structure of claim 1; the decorative shell (B) is coated on the outer side of the air guide shell (A), an air supply outlet (B1) communicated with the air outlet (A4) is formed in the decorative shell (B), and the air guide shell (A) is assembled on the base component (C); the base component (C) comprises a blower (5), and the air outlet end of the blower (5) is communicated with the air inlet (A1).
9. The bladeless fan of claim 8, wherein: an air supply duct (A2) extending up and down is arranged on the left side and/or the right side of the air guide shell (A), and the bottom end of the air supply duct (A2) is communicated with an air inlet (A1) at the bottom of the air guide shell (A); the ventilation area of the air supply duct (A2) is gradually contracted from bottom to top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948321.9U CN210919597U (en) | 2019-11-11 | 2019-11-11 | Constant-pressure air outlet structure and bladeless fan thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921948321.9U CN210919597U (en) | 2019-11-11 | 2019-11-11 | Constant-pressure air outlet structure and bladeless fan thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919597U true CN210919597U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921948321.9U Expired - Fee Related CN210919597U (en) | 2019-11-11 | 2019-11-11 | Constant-pressure air outlet structure and bladeless fan thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919597U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176446A (en) * | 2020-09-14 | 2022-03-15 | Lg电子株式会社 | Drying device |
-
2019
- 2019-11-11 CN CN201921948321.9U patent/CN210919597U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114176446A (en) * | 2020-09-14 | 2022-03-15 | Lg电子株式会社 | Drying device |
| US11771273B2 (en) | 2020-09-14 | 2023-10-03 | Lg Electronics Inc. | Drying apparatus |
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| Date | Code | Title | Description |
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| 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: 20200703 |