CN217129871U - Exhausting and sucking dual-purpose fan - Google Patents
Exhausting and sucking dual-purpose fan Download PDFInfo
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- CN217129871U CN217129871U CN202221063257.8U CN202221063257U CN217129871U CN 217129871 U CN217129871 U CN 217129871U CN 202221063257 U CN202221063257 U CN 202221063257U CN 217129871 U CN217129871 U CN 217129871U
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Abstract
The utility model discloses a dual-purpose fan for exhausting and sucking, which comprises a shell, a front mesh enclosure, a rear mesh enclosure and a plurality of blades, wherein a plurality of blades are arranged between the front mesh enclosure and the rear mesh enclosure, the blades are arranged on a rotating piece, the rotating piece is connected with a rotating driving motor, and the rotating driving motor is fixed on the rear mesh enclosure; the two side edges of the blade extend outwards to form guide folding edges respectively, the two guide folding edges are an outer guide folding edge and an inner guide folding edge respectively, the outer guide folding edge and the inner guide folding edge are located on the front surface and the rear surface of the blade respectively, the turning directions of the outer guide folding edge and the inner guide folding edge are opposite, a plane perpendicular to a rotating shaft of the rotating driving motor is defined as a vertical plane, an included angle between the blade and the vertical plane is 10-30 degrees, and included angles between the two guide folding edges and the blade are both 150-170 degrees. The utility model discloses realize airing exhaust and breathing in of fan, guarantee simultaneously to air exhaust and the inspiratory amount of wind.
Description
Technical Field
The utility model belongs to the technical field of the fan, especially, relate to a dual-purpose fan is inhaled in row.
Background
Nowadays, because pay more and more attention to production safety, the clean requirement of factory building to the air is also higher and higher, and in process of production, the factory building needs regularly take a breath to make indoor keep clean environment, the fan is the exchange air that people are commonly used, promotes the circulation of air, keeps the fresh electrical apparatus commonly used of indoor air.
A general ventilator operates in a single direction, and an internal fan operates in a counterclockwise direction to draw out indoor air and discharge the indoor air to outdoor air.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides a arrange and inhale dual-purpose fan, realizes airing exhaust and breathing in of fan, guarantees simultaneously to air exhaust and inspiratory amount of wind.
In order to solve the technical problem, the utility model discloses a technical scheme be: a dual-purpose fan for exhausting and sucking comprises a shell, a front mesh enclosure, a rear mesh enclosure and a plurality of blades, wherein the blades are arranged between the front mesh enclosure and the rear mesh enclosure, the blades are arranged on a rotating piece, the rotating piece is connected with a rotation driving motor, and the rotation driving motor is fixed on the rear mesh enclosure;
the two side edges of the blade extend outwards to form guide folding edges respectively, the two guide folding edges are an outer guide folding edge and an inner guide folding edge respectively, the outer guide folding edge and the inner guide folding edge are located on the front surface and the rear surface of the blade respectively, the turning directions of the outer guide folding edge and the inner guide folding edge are opposite, a plane perpendicular to a rotating shaft of the rotating driving motor is defined as a vertical plane, an included angle between the blade and the vertical plane is 10-30 degrees, and included angles between the two guide folding edges and the blade are both 150-170 degrees.
Further, the back screen panel includes annular back screen panel mesh and the back screen panel mesh bone of radial setting, the back screen panel mesh is fixed in back screen panel mesh bone, it is fixed in the fixed disk to rotate driving motor, the fixed disk is fixed in a plurality of connecting rods, a plurality of the connecting rod is fixed in the back screen panel, and a plurality of the connecting rod radially set up in the back screen panel, the connecting rod is fixed in the casing.
Furthermore, the end part of the blade far away from the rotating part and the end part of the guide folding edge form a guide arc edge together, and the end part of the blade close to the rotating part and the end part of the guide folding edge form a guide bevel edge together.
Further, the guide bevel edge gradually inclines towards the center of the blade from the outer side of the fan to the center.
Further, the front mesh enclosure comprises an annular front mesh line, a radially arranged front mesh rib and a radially arranged reinforcing rib, the reinforcing rib is fixed on the front mesh line, the front mesh line is fixed on the front mesh rib, and the front mesh rib is fixed on the shell.
Furthermore, the included angle between each blade and the vertical plane is 20 degrees, and the included angles between the two guide folding edges and the blades are 160 degrees.
Further, it includes rotor, motor casing, front end housing and rear end cap to rotate driving motor, the rotor install in the inside of motor casing, front end housing and rear end cap are installed respectively to the preceding, the back both sides of motor casing, the rotor passes front end housing and rear end cap, the front end housing with the rear end cap all is equipped with the mounting hole, the mounting hole with be equipped with the bearing between the rotor, rear end cap threaded connection has the axle cover.
The beneficial effects of the utility model are that following several points have at least:
the two side edges of the blade of the utility model extend outwards respectively to form the guide folding edges, the two guide folding edges are respectively the outer guide folding edge and the inner guide folding edge, the outer guide folding edge and the inner guide folding edge are respectively positioned on the front and the back sides of the blade, the turning directions of the outer guide folding edge and the inner guide folding edge are opposite, the blade performs air exhaust when rotating clockwise, the blade performs air suction when rotating anticlockwise, thereby realizing air exhaust and air suction of the fan, what is worth mentioning is that the included angle between the blade and the vertical plane is 10-30 degrees, the included angles between the two guide folding edges and the blade are both 150 plus 170 degrees, thereby ensuring the air exhaust and air suction volume;
the end part of the blade far from the rotating part and the end part of the guide folding edge form a guide arc edge together, and the end part of the blade near the rotating part and the end part of the guide folding edge form a guide inclined edge together, so that the air inlet edge of the blade gradually cuts into the air flow when rotating, and the impact of the air inlet edge on the air flow is reduced;
the utility model discloses a back screen panel includes annular back cover net twine and the back cover net bone of radial setting, and a plurality of connecting rods are fixed in back screen panel to increase the fastness of back screen panel.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic view of the vane and rotor of the present invention;
FIG. 4 is a schematic structural view of a blade of the present invention;
fig. 5 is a schematic structural view of the front mesh enclosure of the present invention;
fig. 6 is a schematic structural view of the rear mesh enclosure of the present invention;
fig. 7 is a sectional view of the rotation driving motor of the present invention;
the parts in the drawings are marked as follows:
the wind-guiding device comprises a shell 1, a front mesh enclosure 2, a front mesh enclosure line 21, a front cover mesh framework 22, a reinforcing rib 23, a rear mesh enclosure 3, a rear cover mesh line 31, a rear cover mesh framework 32, a fixed disc 33, a connecting rod 34, blades 4, an outer side flow guiding folded edge 41, an inner side flow guiding folded edge 42, a flow guiding arc edge 43, a flow guiding inclined edge 44, a rotating piece 5, a rotating driving motor 6, a rotor 61, a motor shell 62, a front end cover 63, a rear end cover 64, a bearing 65, a shaft cover 66 and an included angle alpha between the flow guiding folded edge and the blades.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Example (b): a kind of exhaust-suction dual-purpose fan, as shown in fig. 1-7, including body 1, front screen panel 2, rear screen panel 3 and several pieces of blade 4, there are several pieces of said blade 4 between said front screen panel 2 and said rear screen panel 3, several pieces of said blade 4 are mounted to the rotating part 5, said rotating part 5 is connected with rotating the driving motor 6, said rotating the driving motor 6 to fix to said rear screen panel 3;
the two side edges of the blade 4 extend outwards to form guide folding edges, the two guide folding edges are an outer guide folding edge 41 and an inner guide folding edge 42 respectively, the outer guide folding edge 41 and the inner guide folding edge 42 are located on the front surface and the rear surface of the blade 4 respectively, the turning directions of the outer guide folding edge 41 and the inner guide folding edge 42 are opposite, a plane perpendicular to a rotating shaft of the rotating driving motor 6 is defined as a vertical plane, an included angle between the blade and the vertical plane is 10-30 degrees, and included angles alpha between the two guide folding edges and the blade are 150 and 170 degrees.
The back screen panel 3 includes annular back cover net twine 31 and the back cover net bone 32 of radial setting, back cover net twine 31 is fixed in back cover net bone 32, it is fixed in fixed disk 33 to rotate driving motor 6, fixed disk 33 is fixed in a plurality of connecting rods 34, a plurality of connecting rods 34 are fixed in back screen panel 3, and a plurality of connecting rods 34 radially set up in back screen panel 3, connecting rod 34 is fixed in casing 1.
The end part of the blade 4 far away from the rotating piece 5 and the end part of the guide folding edge form a guide arc edge 43 together, and the end part of the blade 4 close to the rotating piece 5 and the end part of the guide folding edge form a guide bevel edge 44 together.
The guide bevel 44 is gradually inclined from the outer side of the fan to the center of the blade 4.
The front mesh enclosure 2 comprises an annular front mesh wire 21, a radially arranged front mesh rib 22 and a radially arranged reinforcing rib 23, the reinforcing rib 23 is fixed on the front mesh wire 21, the front mesh wire 21 is fixed on the front mesh rib 22, and the front mesh rib 22 is fixed on the shell 1.
The included angle between each blade and the vertical plane is 20 degrees, and the included angles between the two guide folding edges and the blades are 160 degrees.
Rotate driving motor 6 and include rotor 61, motor casing 62, front end housing 63 and rear end cap 64, rotor 61 install in the inside of motor casing 62, front end housing 63 and rear end cap 64 are installed respectively to the preceding, the back both sides of motor casing 62, rotor 61 passes front end housing 63 and rear end cap 64, front end housing 63 with rear end cap 64 all is equipped with the mounting hole, the mounting hole with be equipped with bearing 65 between the rotor 61, rear end cap 64 threaded connection has a shaft cover 66.
The working principle of the utility model is as follows: the rotation driving motor drives the rotation part to rotate, the rotation part drives the blades to rotate, air is exhausted when the blades rotate clockwise, air is absorbed when the blades rotate anticlockwise, the included angle between each blade and the vertical plane is 10-30 degrees, the included angles between the two diversion folding edges and the blades are both 150-170 degrees, accordingly, the air quantity of the exhausted air and the air quantity of the absorbed air are guaranteed, the diversion arc edges and the diversion bevel edges are arranged, the air inlet edges of the blades are gradually cut into the air flow when the blades rotate, and the impact of the air inlet edges on the air flow is reduced.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the same principle as the present invention.
Claims (7)
1. A dual-purpose fan for exhausting and sucking is characterized in that: the wind power generation device comprises a shell (1), a front mesh enclosure (2), a rear mesh enclosure (3) and a plurality of blades (4), wherein the plurality of blades are arranged between the front mesh enclosure and the rear mesh enclosure, the plurality of blades are arranged on a rotating piece (5), the rotating piece is connected with a rotating driving motor (6), and the rotating driving motor is fixed on the rear mesh enclosure;
the two side edges of the blade extend outwards to form guide folding edges, the two guide folding edges are an outer guide folding edge (41) and an inner guide folding edge (42), the outer guide folding edge and the inner guide folding edge are respectively positioned on the front surface and the rear surface of the blade, the turning directions of the outer guide folding edge and the inner guide folding edge are opposite, a plane perpendicular to a rotating shaft of the rotating driving motor is defined as a vertical plane, an included angle between the blade and the vertical plane is 10-30 degrees, and included angles (alpha) between the two guide folding edges and the blade are both 150-170 degrees.
2. The dual-purpose fan of claim 1, wherein: the back screen panel includes annular back cover net twine (31) and radial back cover net bone (32) that sets up, back cover net twine is fixed in back cover net bone, it is fixed in fixed disk (33) to rotate driving motor, the fixed disk is fixed in a plurality of connecting rods (34), a plurality of the connecting rod is fixed in back screen panel, and a plurality of the connecting rod radially set up in the back screen panel, the connecting rod is fixed in the casing.
3. The dual-purpose fan of claim 1, wherein: the end part of the blade far away from the rotating piece and the end part of the guide folding edge form a guide arc edge (43) together, and the end part of the blade close to the rotating piece and the end part of the guide folding edge form a guide inclined edge (44) together.
4. A combined exhaust and suction fan as set forth in claim 3, wherein: the guide bevel edge gradually inclines towards the center of the blade from the outer side of the fan to the center.
5. The dual-purpose fan of claim 1, wherein: the front mesh cover comprises an annular front cover mesh wire (21), a radially arranged front cover mesh rib (22) and a radially arranged reinforcing rib (23), the reinforcing rib is fixed on the front cover mesh wire, the front cover mesh wire is fixed on the front cover mesh rib, and the front cover mesh rib is fixed on the shell.
6. The dual-purpose fan of claim 1, wherein: the included angle between each blade and the vertical plane is 20 degrees, and the included angle between each two guide folding edges and each blade is 160 degrees.
7. The dual-purpose fan of claim 1, wherein: the rotary driving motor comprises a rotor (61), a motor shell (62), a front end cover (63) and a rear end cover (64), wherein the rotor is installed inside the motor shell, the front end cover and the rear end cover are installed on the front side and the rear side of the motor shell respectively, the rotor penetrates through the front end cover and the rear end cover, the front end cover and the rear end cover are both provided with mounting holes, the mounting holes are provided with bearings (65) between the rotors, and the rear end cover is in threaded connection with a shaft cover (66).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221063257.8U CN217129871U (en) | 2022-05-06 | 2022-05-06 | Exhausting and sucking dual-purpose fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221063257.8U CN217129871U (en) | 2022-05-06 | 2022-05-06 | Exhausting and sucking dual-purpose fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217129871U true CN217129871U (en) | 2022-08-05 |
Family
ID=82651222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221063257.8U Active CN217129871U (en) | 2022-05-06 | 2022-05-06 | Exhausting and sucking dual-purpose fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217129871U (en) |
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2022
- 2022-05-06 CN CN202221063257.8U patent/CN217129871U/en active Active
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