CN219570384U - Fan with flow guiding structure - Google Patents
Fan with flow guiding structure Download PDFInfo
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- CN219570384U CN219570384U CN202320862129.8U CN202320862129U CN219570384U CN 219570384 U CN219570384 U CN 219570384U CN 202320862129 U CN202320862129 U CN 202320862129U CN 219570384 U CN219570384 U CN 219570384U
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- fan
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- air outlet
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Abstract
According to the fan with the flow guiding structure, the flow guiding structure is arranged on the outer side wall of the fan shell in a surrounding mode, so that the flow direction of air flow blown out of the main air outlet is limited, the forward output of the air flow is limited, the air flow is prevented from being diffused everywhere, the air flow is more concentrated, the air quantity blown out of the fan is ensured, the air quantity is blown farther, and the structure of the fan blade assembly and the rotating speed of the motor are not required to be changed.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a fan with a flow guiding structure.
Background
The fan is a household electrical appliance which is frequently used in our daily life, and comprises a vertical fan, a desk fan, a table fan, a wall fan, a convection fan, a roof fan and the like. At present, most fans generally adopt common 3-7 blades, and a metal or plastic material grid is used for protection.
Along with the improvement of living standard, the requirements of people on living quality are also higher, and as a common household appliance, the requirements of people on the fan are also higher. In the process of purchasing the fan, the low price is not a single factor considered by consumers, the large air output, the far air output, the light noise, the humanized appearance design and the like are also included in the consideration range of the consumers, and the proportion is larger and larger.
At present, the air outlet condition of the fan is basically designed by all blade components (such as fan blades or impellers, etc.); most of the existing fans are not provided with a flow guiding structure for limiting the air flow blown out by the air outlet, so that the air flow at the air outlet can be diffused everywhere when the fan is out of the air, the air quantity is not concentrated, and if larger wind is required or the air is blown farther, the fan blades with larger torsion angles are often modified or the rotating speed of the motor is increased.
However, by changing the torsion angle of the fan blade or increasing the rotation speed of the motor, larger noise and higher manufacturing cost are often brought, for example, as the torsion angle of the fan blade increases, the manufacturing process difficulty increases, and the manufacturing cost also increases.
Under the condition of ensuring low manufacturing cost of the fan, the fan has the advantages of large air output, long air output and low noise, and becomes a technical problem.
The utility model is researched and proposed for overcoming the defects of the prior art.
Disclosure of Invention
The fan in the prior art is mainly not provided with a flow guiding structure for limiting the air flow blown out by the air outlet, so that the air flow at the air outlet can be diffused everywhere when the fan is used for exhausting air, and the air quantity is not concentrated.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a fan with water conservancy diversion structure, including the fan casing, be equipped with air-out chamber and motor chamber in the fan casing, be equipped with driving motor in the motor chamber, be equipped with the fan blade subassembly in the air-out chamber, driving motor's output is connected with the fan blade subassembly, be equipped with the main air-suction hole that is used for supplying the fan blade subassembly to induced draft on the fan casing and be used for supplying the main air outlet that the wind that the fan blade subassembly produced blown out, still be equipped with the water conservancy diversion structure that is used for restricting main air outlet to blow out the air current flow direction on the fan casing, water conservancy diversion structure ring is located on the lateral wall of fan casing.
The fan with the flow guiding structure comprises the auxiliary air shell arranged on the outer side wall of the fan shell, an auxiliary air blowing channel is formed between the auxiliary air shell and the fan shell, the auxiliary air shell is further provided with the auxiliary air suction holes and the auxiliary air outlets which are respectively communicated with the auxiliary air blowing channel, the auxiliary air outlets are positioned at one end of the auxiliary air blowing channel, and the direction of the auxiliary air outlets is the same as that of the main air outlets.
The fan with the flow guiding structure has the advantage that the auxiliary air outlet is annularly arranged at the outer side of the main air outlet.
The fan with the flow guiding structure has the advantages that the inner diameter of the auxiliary blowing channel is gradually reduced along the central axis of the fan shell from the main air suction hole to the main air outlet.
The fan with the flow guiding structure is characterized in that a plurality of first flow guiding blades are arranged between the fan shell and the auxiliary air shell at intervals, and each first flow guiding blade is positioned in the auxiliary air blowing channel.
The fan with the flow guiding structure comprises a fan blade shell and a motor shell, wherein the fan blade shell is positioned in the auxiliary fan shell, the air outlet cavity is positioned in the fan blade shell, the motor cavity is positioned in the motor shell, the main air suction hole is formed in the bottom of the fan blade shell, and the auxiliary fan shell is arranged on the outer side wall of the fan blade shell;
a main air shell is arranged on the outer side wall of the motor shell in a surrounding mode, the main air shell is detachably connected with the fan blade shell, a main air blowing channel is arranged between the main air shell and the motor shell, a main air outlet is formed in one end of the main air blowing channel, and the other end of the main air blowing channel is communicated with the air outlet cavity.
In the fan with the flow guiding structure, a plurality of second flow guiding vanes are arranged between the main fan housing and the motor housing at intervals.
In the fan with the flow guiding structure, one side of each second flow guiding vane is positioned in the main blowing channel, and the other side extends into the air outlet cavity.
The fan with the flow guiding structure has a plurality of auxiliary air suction holes and is arranged on the outer side wall of the auxiliary air shell at intervals.
In the fan with the flow guiding structure, the orientation of each auxiliary air suction hole is perpendicular to the orientation of the main air suction hole.
The beneficial effects of the utility model are as follows:
according to the fan with the flow guiding structure, the flow guiding structure is arranged on the outer side wall of the fan shell in a surrounding mode, so that the flow direction of air flow blown out of the main air outlet is limited, the forward output of the air flow is limited, the air flow is prevented from being diffused everywhere, the air flow is more concentrated, the air quantity blown out of the fan is ensured, the air quantity is blown farther, and the structure of the fan blade assembly and the rotating speed of the motor are not required to be changed.
The utility model will be further described with reference to the drawings and detailed description.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is one of the exploded views of the present utility model;
FIG. 3 is a second exploded view of the present utility model;
FIG. 4 is a schematic top view of the present utility model;
fig. 5 is a schematic cross-sectional view of fig. 4 along line A-A.
Detailed Description
Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 5, the fan with the flow guiding structure of the present embodiment includes a fan housing 1, an air outlet cavity 11 and a motor cavity 12 are provided in the fan housing 1, a driving motor 13 is provided in the motor cavity 12, a fan blade assembly 14 is provided in the air outlet cavity 11, an output end of the driving motor 13 is connected with the fan blade assembly 14, a main air suction hole 15 and a main air outlet 16 are provided on the fan housing 1, the fan blade assembly 14 can suck external air through the main air suction hole 15, and then blow out air flow through the main air outlet 16;
specifically, the fan of this embodiment is through setting up guide structure 2 on the lateral wall of fan casing 1 in the ring to restrict the flow direction of the air current that main air outlet 16 blows out, restrict the air current and export forward, avoid the air current to spread everywhere, so that the air current is more concentrated, ensure the amount of wind that the fan blows out, blow more simultaneously, need not to change the structure of fan blade subassembly and change the rotational speed of motor.
As shown in fig. 1 to 5, the flow guiding structure 2 of the present embodiment includes an auxiliary air casing 21 disposed on an outer side wall of the fan casing 1, an auxiliary air blowing channel 22 is formed between the auxiliary air casing 21 and the fan casing 1, an auxiliary air suction hole 23 and an auxiliary air outlet 24 are further disposed on the auxiliary air casing 21, and the auxiliary air suction hole 23 and the auxiliary air outlet 24 are respectively communicated with the auxiliary air blowing channel 22;
specifically, the auxiliary air outlet 24 is located at one end of the auxiliary air blowing passage 22;
specifically, the fan blade assembly 14 is driven by the driving motor 13 to suck the outside air through the main air suction hole 15, at this time, the main air suction hole 1 forms high-speed air flow, and the bernoulli principle and the jet principle show that the flow speed at the main air suction hole 1 is higher, so that the air around the fan housing 1 flows to the fan housing 1, the auxiliary air blowing channel 22 can suck the surrounding air through the auxiliary air suction hole 23 at the same time, and then the air is guided to the auxiliary air outlet 24 through the auxiliary air blowing channel 22, so that the limited air flow is formed;
because the orientation of the auxiliary air outlet 24 is the same as that of the main air outlet 16, and the auxiliary air outlet 24 is annularly arranged on the outer side of the main air outlet 16, when the main air outlet 16 blows out the main air flow, the auxiliary air outlet 24 simultaneously blows out the limiting air flow, the flow direction of the main air flow is limited by the limiting air flow, the air quantity of the main air flow diffusing around is reduced, and the limiting air flow with smaller air quantity diffuses, so that the main air flow is more concentrated and the air quantity is larger.
As shown in fig. 1 to 5, the number of the auxiliary air suction holes 23 in the present embodiment is plural and is arranged on the outer side wall of the auxiliary air casing 21 at intervals, and such a design is adopted to ensure the air suction range of the auxiliary air blowing passage 22.
As shown in fig. 1 to 5, the direction of each auxiliary air suction hole 23 in this embodiment is perpendicular to the direction of the main air suction hole 15, so that the auxiliary air suction holes 23 can better suck ambient air while ensuring the air suction range of the auxiliary air blowing channel 22, avoiding the mutual influence of the auxiliary air suction holes 23 and the main air suction hole 15, reducing the air suction performance and affecting the air output of the fan.
As shown in fig. 1 to 5, the inner diameter of the auxiliary air blowing channel 22 in the present embodiment gradually decreases along the central axis of the fan housing 1 from the main air suction hole 15 to the main air outlet 16, and by adopting such a design, the volume of the auxiliary air blowing channel 22 is reduced so as to reduce the volume of the auxiliary air blowing channel 22, thereby compressing and concentrating the air quantity, and the air outlet volume of the auxiliary air outlet 24 is reduced, thereby further improving the air outlet force of the auxiliary air outlet 24, and ensuring the restriction of the air flow.
As shown in fig. 1 to 5, a plurality of first guide vanes 25 are further disposed between the fan housing 1 and the auxiliary air housing 21 in this embodiment, each first guide vane 25 is located in the auxiliary air blowing channel 22, and by adopting such a design, a first air guiding channel is formed between two adjacent first guide vanes 25, and the first air guiding channel corrects the direction of the restricted air flow in the auxiliary air blowing channel 22, so as to guide the restricted air flow to a state parallel to the fan blade assembly 14, improve the performance of the restricted air flow, strengthen the convergence condition of the restricted air flow, facilitate the restricted air flow to be blown out from the auxiliary air outlet 24 smoothly, enhance the air volume of the restricted air flow, and further ensure the restriction of the restricted air flow.
As shown in fig. 1 to 5, the fan housing 1 of the present embodiment includes a fan housing 17 and a motor housing 18 located in an auxiliary fan housing 21, an air outlet chamber 11 is located in the fan housing 17, a motor chamber 12 is located in the motor housing 18, a main air suction hole 15 is located at the bottom of the fan housing 17, and the auxiliary fan housing 21 is located on the outer side wall of the fan housing 17;
preferably, the fan blade shell 17 and the auxiliary fan shell 21 are integrally formed to ensure the structural strength of the fan;
specifically, a main air shell 19 is annularly arranged on the outer side wall of the motor shell 18, the main air shell 19 is detachably connected with the fan blade shell 17, a main air blowing channel 191 is arranged between the main air shell 19 and the motor shell 18, a main air outlet 16 is arranged at one end of the main air blowing channel 191, and the other end of the main air blowing channel 191 is communicated with the air outlet cavity 11.
Preferably, the fan blade assembly 14 in this embodiment is an impeller, which has stronger air suction and air outlet performance than the fan blade, so that the air suction capability and the air flow blowing capability of the fan can be effectively ensured, and the air suction capability through the main air suction hole 15 is ensured, and meanwhile, the air around the fan is driven to flow to the auxiliary air suction holes 23 and be sucked by the auxiliary air suction holes 23.
As shown in fig. 1 to 5, a plurality of second guide vanes 192 are disposed between the main air casing 19 and the motor casing 18 at intervals, and a second air guiding channel is formed between two adjacent second guide vanes 192, and the second air guiding channel corrects the wind direction of the main air flow in the main air guiding channel 191, guides the main air flow to a state parallel to the fan blade assembly 14, improves the performance of the main air flow, enhances the convergence condition of the main air flow, facilitates the main air flow to be smoothly blown out from the main air outlet 16, and enhances the air quantity of the main air flow.
As shown in fig. 1 to 5, in this embodiment, one side of each second guide vane 192 is located in the main air blowing channel 191, and the other side extends into the air outlet cavity 11.
The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.
Claims (10)
1. A fan with water conservancy diversion structure, its characterized in that: including fan casing (1), be equipped with air-out chamber (11) and motor chamber (12) in fan casing (1), be equipped with driving motor (13) in motor chamber (12), be equipped with fan blade subassembly (14) in air-out chamber (11), the output of driving motor (13) is connected with fan blade subassembly (14), be equipped with on fan casing (1) and be used for supplying main suction opening (15) that fan blade subassembly (14) induced drafted and be used for supplying main air outlet (16) that the wind that fan blade subassembly (14) produced blown out, still be equipped with on fan casing (1) and be used for restricting guide structure (2) that main air outlet (16) blown out the air current flow direction, guide structure (2) ring are located on the lateral wall of fan casing (1).
2. A fan with a flow guiding structure as claimed in claim 1, wherein: the air guide structure (2) comprises an auxiliary air shell (21) arranged on the outer side wall of the fan shell (1), an auxiliary air blowing channel (22) is formed between the auxiliary air shell (21) and the fan shell (1), an auxiliary air suction hole (23) and an auxiliary air outlet (24) which are communicated with the auxiliary air blowing channel (22) are further formed in the auxiliary air shell (21), the auxiliary air outlet (24) is located at one end of the auxiliary air blowing channel (22), and the direction of the auxiliary air outlet (24) is the same as that of the main air outlet (16).
3. A fan with a flow guiding structure as claimed in claim 2, wherein: the auxiliary air outlet (24) is annularly arranged at the outer side of the main air outlet (16).
4. A fan with a flow guiding structure as claimed in claim 2, wherein: the inner diameter of the auxiliary blowing channel (22) is gradually reduced along the central axis of the fan shell (1) from the main air suction hole (15) to the main air outlet (16).
5. A fan with a flow guiding structure as claimed in claim 2, wherein: a plurality of first guide vanes (25) are arranged between the fan shell (1) and the auxiliary fan shell (21) at intervals, and each first guide vane (25) is positioned in the auxiliary blowing channel (22).
6. A fan with a flow guiding structure as claimed in claim 2, wherein: the fan housing (1) comprises a fan housing (17) and a motor housing (18) which are positioned in an auxiliary fan housing (21), the air outlet cavity (11) is positioned in the fan housing (17), the motor cavity (12) is positioned in the motor housing (18), the main air suction hole (15) is formed in the bottom of the fan housing (17), and the auxiliary fan housing (21) is formed in the outer side wall of the fan housing (17);
a main air shell (19) is arranged on the outer side wall of the motor shell (18) in a surrounding mode, the main air shell (19) is detachably connected with the fan blade shell (17), a main air blowing channel (191) is arranged between the main air shell (19) and the motor shell (18), the main air outlet (16) is arranged at one end of the main air blowing channel (191), and the other end of the main air blowing channel (191) is communicated with the air outlet cavity (11).
7. The fan with flow directing structure of claim 6, wherein: a plurality of second guide vanes (192) are arranged between the main wind shell (19) and the motor shell (18) at intervals.
8. The fan with flow directing structure of claim 7, wherein: one side of each second guide vane (192) is positioned in the main air blowing channel (191), and the other side extends into the air outlet cavity (11).
9. A fan with a flow guiding structure as claimed in claim 2, wherein: the auxiliary air suction holes (23) are arranged on the outer side wall of the auxiliary air shell (21) at intervals.
10. The fan with flow directing structure of claim 9, wherein: the orientation of each auxiliary air suction hole (23) is perpendicular to the orientation of the main air suction hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862129.8U CN219570384U (en) | 2023-04-17 | 2023-04-17 | Fan with flow guiding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320862129.8U CN219570384U (en) | 2023-04-17 | 2023-04-17 | Fan with flow guiding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219570384U true CN219570384U (en) | 2023-08-22 |
Family
ID=87657841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320862129.8U Active CN219570384U (en) | 2023-04-17 | 2023-04-17 | Fan with flow guiding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219570384U (en) |
-
2023
- 2023-04-17 CN CN202320862129.8U patent/CN219570384U/en active Active
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| GR01 | Patent grant |