CN215860988U - High-efficient convenient fan inlet box structure and fan - Google Patents
High-efficient convenient fan inlet box structure and fan Download PDFInfo
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- CN215860988U CN215860988U CN202122093264.4U CN202122093264U CN215860988U CN 215860988 U CN215860988 U CN 215860988U CN 202122093264 U CN202122093264 U CN 202122093264U CN 215860988 U CN215860988 U CN 215860988U
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Abstract
The utility model discloses a high-efficiency convenient air inlet box structure of a fan, which comprises: the air inlet box comprises an air inlet box body, an air shell and a conical tube, wherein the side face, facing the air shell, of the air inlet box body is divided into an upper end face and a lower end face, the upper end face is an inclined face, the lower end face is a vertical face, and the cross section area of the upper end of the air inlet box body is larger than that of the lower end of the air inlet box body. The side of inlet box towards the wind shell is equipped with the water conservancy diversion apron, and the water conservancy diversion apron is equipped with the opening corresponding to the air outlet of inlet box, and the canalis spinalis is embedded into in the opening, the water conservancy diversion apron that is located the canalis spinalis top is the inclined plane that agrees with the inlet box up end. According to the utility model, the flow guide cover plate is arranged on one side of the air inlet box facing the vertebral canal, and the air inlet box adopts a structure that the air inlet box gradually shrinks from the upper end to the lower end, so that airflow can smoothly flow into the vertebral canal, the length of the vertebral canal does not need to be shortened, and a pipe section does not need to be connected, so that the length of a long shaft does not need to be lengthened, and the performance of the fan is not influenced. Moreover, the air inlet box and the air shell are of an integrated structure, and the problem of cotton wrapping interference does not exist.
Description
Technical Field
The utility model relates to the field of fans, in particular to a high-efficiency convenient fan air inlet box structure and a fan.
Background
As shown in fig. 1, the air inlet box 100 and the air casing 200 in the conventional blower are of a split structure, and for the blower with performance test, the air inlet end of the cone 300 generally protrudes to the outside of the air casing 200, and the type of the blower is different, and the protruding size is also different. Therefore, the air inlet side of the air casing 200 is generally connected with a straight pipe section 400, and then is connected with the air inlet conical pipe 300 and the inlet of the air casing 200, so that the space of the axial position of the air inlet conical pipe 300 is enough, the center distance of the bearings 500 on the two sides of the fan is longer, the shaft diameter needs to be increased enough to obtain enough shaft limit rotating speed, and the overlarge shaft diameter can block air flow to influence the performance of the fan.
The air inlet box 100 and the air casing 200 need to be wrapped with cotton, and because the traditional air inlet box 100 and the air casing 200 are of split structures, if the distance between the air inlet box 100 and the air casing 200 is too small, the cotton wrapping between the air inlet box 100 and the air casing 200 can interfere with each other, so that the sufficient cotton wrapping distance needs to be ensured. And there are bolts between the air inlet box 100 and the wind housing 200, in order to let the worker's hand enter the contact bolt, the space between the air inlet box 100 and the wind housing 200 must be large enough, and the thickness of the cotton bale, the middle straight pipe section 400 is longer, for the double-support fan, increasing the length a little will reduce the limit rotation speed of a little shaft 600, which is not feasible.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides an efficient and convenient air inlet box structure of a fan and the fan.
The technical scheme of the utility model is as follows: the utility model provides a high-efficient convenient fan inlet box structure, includes: the air inlet box comprises an air inlet box, an air shell arranged on the side surface of the air inlet box and a conical pipe for communicating the air inlet box and the air shell, wherein the side surface of the air inlet box facing the air shell is divided into an upper end surface and a lower end surface, the upper end surface is an inclined surface, the lower end surface is a vertical surface, and the cross section area of the upper end of the air inlet box is larger than that of the lower end;
the lower end face is provided with an air outlet, the air inlet end of the cone is connected with the air outlet of the air inlet box, the air outlet end of the cone is located inside the air shell, the side face, facing the air shell, of the air inlet box is provided with a flow guide cover plate, the cone is embedded into the flow guide cover plate, and the flow guide cover plate is shaped as an inclined plane matched with the upper end face of the air inlet box.
Further, the air inlet box and the air shell are of an integrated structure.
Furthermore, the side surface of the air inlet box, which is far away from the wind shell, is an inclined surface, the bottom end of the air inlet box inclines towards the inside of the air inlet box, and the cross section area of the air inlet box is gradually reduced from the top end to the bottom end.
Further, the cross-sectional area of the vertebral canal gradually decreases from one end close to the air inlet box to one end close to the wind shell.
The utility model also provides a fan, which comprises the efficient and convenient fan air inlet box structure.
Further, the fan still includes: the impeller is arranged in the wind shell, the main shaft penetrates through the wind shell, the impeller, the vertebral canal and the air inlet box, the bearings are arranged at two ends of the main shaft, and the motor is connected with the main shaft.
By adopting the scheme, the flow guide cover plate is arranged on one side, facing the spinal canal, of the air inlet box, and the air inlet box adopts the structure that the air inlet box is gradually reduced from the upper end to the lower end, so that airflow can smoothly flow into the spinal canal, the length of the spinal canal does not need to be shortened, a pipe section does not need to be connected, the length of a long shaft does not need to be lengthened, and the performance of the fan cannot be influenced. Moreover, the air inlet box and the air shell are of an integrated structure, and the problem of cotton wrapping interference does not exist.
Drawings
Fig. 1 is a schematic diagram of a structure of an air inlet box of a conventional fan.
Fig. 2 is a schematic diagram of the structure of the air inlet box of the fan of the utility model.
Fig. 3 is a schematic structural diagram of the fan of the present invention.
Detailed Description
The utility model is described in detail below with reference to the figures and the specific embodiments.
Referring to fig. 2, the present invention provides an air inlet box structure of a high-efficiency convenient blower, including: the air inlet box 1, locate the wind shell 2 of inlet box 1 side and communicate the cone 3 of inlet box 1 and wind shell 2, the air current that gets into from inlet box 1 flows into in wind shell 2 through cone 3. The side of the air inlet box 1 facing the air shell 2 is divided into an upper end surface 11 and a lower end surface 12, the upper end surface 11 is an inclined surface, the upper end surface 11 is drawn close to the center of the air inlet box 2 from top to bottom, and therefore the cross sectional area of the upper end of the air inlet box 1 is larger than that of the lower end of the air inlet box.
The air inlet box 1 and the air casing 2 are of an integral structure, no gap exists between the air inlet box 1 and the air casing 2 of the integral structure, the problem that the air inlet box 1 and the air casing 2 are wrapped with cotton is solved, and a bolt does not need to be locked between the air inlet box 1 and the air casing 2.
The side face, far away from the air shell 2, of the air inlet box 1 is an inclined plane, the bottom end of the air inlet box inclines towards the inside of the air inlet box 1, and the cross section area of the air inlet box 1 is gradually reduced from the top end to the bottom end. The design has strengthened the smooth and easy degree of air current like this, and the water conservancy diversion effect is better.
The cross-sectional area of the cone 3 is gradually reduced from one end close to the air inlet box 1 to one end close to the air casing 2, so that the design is also that the air flow flows more smoothly, and the air flow can be smoothly guided into the air casing 2 from the air inlet box 1.
The utility model also provides a fan, which comprises the efficient and convenient fan air inlet box structure.
Referring to fig. 3, the blower further includes: the air inlet box comprises an impeller 5 arranged in the air shell 2, a main shaft 6 penetrating through the air shell 2, the impeller 5, the vertebral canal 3 and the air inlet box 1, bearings 7 arranged at two ends of the main shaft 6, and a motor 8 connected with the main shaft 6. The air inlet box structure has no gap between the air inlet box 1 and the air shell 2, so that the length of the main shaft 6 does not need to be increased, the center distance between the two bearings 7 cannot be elongated, and the air inlet box structure can have enough shaft limit rotating speed. And the structural design of flow guide cover plate 4 and air inlet box 1 can make the air inlet smooth and easy, guarantees the fan performance.
In summary, the flow guide cover plate is arranged on one side of the air inlet box facing the vertebral canal, and the air inlet box adopts a structure that the air inlet box gradually shrinks from the upper end to the lower end, so that air flow can smoothly flow into the vertebral canal, the length of the vertebral canal does not need to be shortened, a pipe section does not need to be connected, the length of a long shaft does not need to be lengthened, and the performance of the fan is not affected. Moreover, the air inlet box and the air shell are of an integrated structure, and the problem of cotton wrapping interference does not exist.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high-efficient convenient fan inlet box structure which characterized in that includes: the air inlet box comprises an air inlet box, an air shell arranged on the side surface of the air inlet box and a conical pipe for communicating the air inlet box and the air shell, wherein the side surface of the air inlet box facing the air shell is divided into an upper end surface and a lower end surface, the upper end surface is an inclined surface, the lower end surface is a vertical surface, and the cross section area of the upper end of the air inlet box is larger than that of the lower end;
the lower end face is provided with an air outlet, the air inlet end of the cone is connected with the air outlet of the air inlet box, the air outlet end of the cone is located inside the air shell, the side face, facing the air shell, of the air inlet box is provided with a flow guide cover plate, the cone is embedded into the flow guide cover plate, and the flow guide cover plate is shaped as an inclined plane matched with the upper end face of the air inlet box.
2. The efficient and convenient air inlet box structure of claim 1, wherein the air inlet box and the air shell are of an integral structure.
3. The efficient and convenient air inlet box structure of the fan as claimed in claim 1, wherein the side of the air inlet box far from the fan housing is an inclined surface, the bottom end of the air inlet box is inclined towards the inside of the air inlet box, and the cross-sectional area of the air inlet box is gradually reduced from the top end to the bottom end.
4. The efficient and convenient air intake box structure of claim 1, wherein the cross-sectional area of the conical tube is gradually reduced from the end close to the air intake box to the end close to the wind shell.
5. A fan, characterized by comprising a high efficiency portable fan inlet box structure according to any of claims 1-4.
6. The blower of claim 5, further comprising: the impeller is arranged in the wind shell, the main shaft penetrates through the wind shell, the impeller, the vertebral canal and the air inlet box, the bearings are arranged at two ends of the main shaft, and the motor is connected with the main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093264.4U CN215860988U (en) | 2021-08-31 | 2021-08-31 | High-efficient convenient fan inlet box structure and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122093264.4U CN215860988U (en) | 2021-08-31 | 2021-08-31 | High-efficient convenient fan inlet box structure and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215860988U true CN215860988U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122093264.4U Active CN215860988U (en) | 2021-08-31 | 2021-08-31 | High-efficient convenient fan inlet box structure and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215860988U (en) |
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2021
- 2021-08-31 CN CN202122093264.4U patent/CN215860988U/en active Active
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