CN218913270U - Box type multi-air-outlet volute-free centrifugal fan - Google Patents
Box type multi-air-outlet volute-free centrifugal fan Download PDFInfo
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- CN218913270U CN218913270U CN202222948578.2U CN202222948578U CN218913270U CN 218913270 U CN218913270 U CN 218913270U CN 202222948578 U CN202222948578 U CN 202222948578U CN 218913270 U CN218913270 U CN 218913270U
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Abstract
The utility model discloses a box type multi-air outlet volute-free centrifugal fan, which comprises a box body, wherein the middle part of the box body is provided with a middle partition plate, and the middle partition plate divides the box body into a front ventilation cavity and a rear installation cavity; a motor frame is fixed on the bottom surface of the rear mounting cavity, a driving motor is fixed on the motor frame, an output shaft of the driving motor is movably connected to the middle partition plate through a bearing, the end part of the output shaft of the driving motor extends out of the front wall surface of the middle partition plate and into the front ventilation cavity, an impeller is fixed on the output shaft of the driving motor, and the impeller is positioned in the front ventilation cavity; an upper air outlet ventilation groove is formed in the middle of the top surface of the front ventilation cavity, and a side air outlet ventilation groove is formed in the middle of the right side wall surface of the front ventilation cavity; the air outlet device can be used for exhausting air from the upper air outlet through groove and the side air outlet through groove, so that air is exhausted from multiple air outlets, and the air outlets are in specified directions, so that the air outlet requirement is met.
Description
Technical field:
the utility model relates to the technical field of ventilation equipment, in particular to a box type multi-air outlet volute-free centrifugal fan.
The background technology is as follows:
a centrifugal fan with a volute is commonly adopted in the common centrifugal fans at present. The spiral case-free fan is adopted, the spiral case fan is used as a guide, wind can be intensively discharged from the air outlet of the spiral case, only single-position air discharge can be realized, and the air outlet requirement of multiple air outlets cannot be met;
the volute-free fan can be used for air outlet to different positions, such as a special volute-free centrifugal fan for a nuclear-grade air conditioning unit with the Chinese patent publication number of CN202833216U, after the air enters the impeller, the air is dispersed along with the periphery of the impeller, and the air is discharged to the periphery, however, the air cannot meet the air outlet in the specified direction, and the air outlet requirements for a plurality of air outlets in the specified direction cannot be met.
The utility model comprises the following steps:
the utility model aims at overcoming the defects of the prior art, and provides a box type multi-air outlet volute-free centrifugal fan which can be used for exhausting air from an upper air outlet through groove and a side air outlet through groove to realize air outlet of a plurality of air outlets, and the air outlets are in specified directions, so that the air outlet requirement is met.
The technical solution of the utility model is as follows:
the box type multi-air outlet volute-free centrifugal fan comprises a box body, wherein a middle partition plate is arranged in the middle of the box body and divides the box body into a front ventilation cavity and a rear installation cavity;
a motor frame is fixed on the bottom surface of the rear mounting cavity, a driving motor is fixed on the motor frame, an output shaft of the driving motor is movably connected to the middle partition plate through a bearing, the end part of the output shaft of the driving motor extends out of the front wall surface of the middle partition plate and into the front ventilation cavity, an impeller is fixed on the output shaft of the driving motor, and the impeller is positioned in the front ventilation cavity;
an upper air outlet ventilation groove is formed in the middle of the top surface of the front ventilation cavity, and a side air outlet ventilation groove is formed in the middle of the right side wall surface of the front ventilation cavity;
the left part of the front wall surface of the middle partition plate is fixedly provided with an inclined guide plate, the upper end of the inclined guide plate is close to the left end of the upper air outlet through groove, and the bottom end of the inclined guide plate is close to the left upper part of the impeller;
the right side of the front wall surface of the middle partition plate is fixedly provided with a right inclined plate, the right end of the right inclined plate is close to the upper part of the side air outlet through groove, and the left end of the right inclined plate is close to the outer side wall of the upper part of the right side of the impeller.
The front wall surface of the front ventilation cavity is provided with an air inlet through hole, the front end of the current collector is fixed on the front wall plate of the box body, the rear end of the current collector extends out of the rear end of the air inlet through hole and into the front ventilation cavity, and the rear end of the current collector faces to the air inlet in the middle of the front end of the impeller.
The front end outer side wall of the current collector is provided with a radial extending edge, and the radial extending edge is fixedly connected to the front wall surface of the front wall plate of the box body through bolts.
The bottom of the inclined guide plate is provided with a bending edge part which is bent leftwards, and the left end of the bending edge part is fixed on the left side wall of the front ventilation cavity.
The left end shaping of right inclined plate has the arc portion that upwards extends, and the tip of arc portion is fixed with the horizontal support board that extends right, and the back wall of horizontal support board is fixed on the front wall of middle division board, and the right-hand member of horizontal support board is fixed on the right side wall of preceding ventilation cavity.
The right side wall of the front ventilation cavity at the lower part of the side air outlet ventilation groove is fixedly provided with a horizontal guide plate, the rear wall surface of the horizontal guide plate is fixed on the front wall surface of the middle partition plate, and a space is reserved between the left end of the horizontal guide plate and the impeller.
The utility model has the beneficial effects that:
the air outlet device can be used for exhausting air from the upper air outlet through groove and the side air outlet through groove, so that air is exhausted from multiple air outlets, and the air outlets are in specified directions, so that the air outlet requirement is met.
Description of the drawings:
FIG. 1 is a schematic view of a partial structure of the present utility model;
FIG. 2 is a partial top view of the present utility model;
fig. 3 is a partial cross-sectional view at the front of the present utility model.
The specific embodiment is as follows:
examples: as shown in fig. 1 to 3, a box type multi-air outlet volute-free centrifugal fan comprises a box body 10, wherein a middle partition plate 11 is arranged in the middle of the box body 10, and the middle partition plate 11 divides the box body 10 into a front ventilation cavity 1 and a rear installation cavity 2;
a motor frame 12 is fixed on the bottom surface of the rear mounting cavity 2, a driving motor 13 is fixed on the motor frame 12, an output shaft of the driving motor 13 is movably connected to the middle partition plate 11 through a bearing, the end part of the output shaft of the driving motor 13 extends out of the front wall surface of the middle partition plate 11 and into the front ventilation cavity 1, an impeller 14 is fixed on the output shaft of the driving motor 13, and the impeller 14 is positioned in the front ventilation cavity 1;
an upper air outlet through groove 15 is formed in the middle of the top surface of the front ventilation cavity 1, and a side air outlet through groove 16 is formed in the middle of the right side wall surface of the front ventilation cavity 1;
an inclined guide plate 17 is fixed at the left part of the front wall surface of the middle partition plate 11, the upper end of the inclined guide plate 17 is close to the left end of the upper air outlet through groove 15, and the bottom end of the inclined guide plate 17 is close to the left upper part of the impeller 14;
a right inclined plate 18 is fixed on the right side of the front wall surface of the middle partition plate 11, the right end of the right inclined plate 18 is close to the upper part of the side air outlet through groove 16, and the left end of the right inclined plate 18 is close to the outer side wall of the upper part of the right side of the impeller 14.
Further, an air inlet hole 19 is formed in the front wall of the front ventilation cavity 1, the front end of the current collector 20 is fixed on the front wall plate of the box 10, the rear end of the current collector 20 extends out of the rear end of the air inlet hole 19 and into the front ventilation cavity 1, and the rear end of the current collector 20 faces the air inlet in the middle of the front end of the impeller 14.
Further, the outer sidewall of the front end of the current collector 20 is formed with a radially extending edge 21, and the radially extending edge 21 is fixedly connected to the front wall surface of the front wall plate of the case 10 by bolts. The front end of the current collector 20 covers the air inlet through hole 19.
Further, a bottom end of the inclined guide plate 17 is formed with a bent edge 171 bent to the left, and a left end of the bent edge 171 is fixed to a left side wall of the front ventilation cavity 1.
Further, the left end of the right oblique plate 18 is formed with an upwardly extending arc portion 181, the end portion of the arc portion 181 is fixed with a rightward extending horizontal support plate 182, the rear wall surface of the horizontal support plate 182 is fixed on the front wall surface of the middle partition plate 11, and the right end of the horizontal support plate 182 is fixed on the right side wall of the front ventilation cavity 1.
Further, a horizontal guide plate 5 is fixed on the right side wall of the front ventilation cavity 1 at the lower part of the side air outlet ventilation groove 16, the rear wall surface of the horizontal guide plate 5 is fixed on the front wall surface of the middle partition plate 11, and a space is reserved between the left end of the horizontal guide plate 5 and the impeller 14.
The top surface of the top plate at the top of the front ventilation cavity 1 is fixedly provided with an air guide connecting plate 30 through bolts, the air guide connecting plate 30 covers the upper air outlet ventilation groove 15, a plurality of small air outlet through holes are formed in the top surface of the air guide connecting plate 30, a plurality of vertical air guide air outlet pipes 31 are fixedly welded on the top surface of the air guide connecting plate 30, and the vertical air guide air outlet pipes 31 are communicated with and aligned with the corresponding small air outlet through holes;
the outer side wall of the right side plate of the front ventilation cavity 1 is fixed with a side air guide connecting plate 40 through bolts, the side air guide connecting plate 40 covers the side air outlet through groove 16, the outer side wall of the side air guide connecting plate 40 is fixed with a plurality of side air guide outlet pipes 41, and the side air guide outlet pipes 41 are communicated with and aligned with corresponding connecting through holes on the side air guide connecting plate 40.
In use, this embodiment operates by the drive motor 13 such that the impeller 14 rotates (in this embodiment, clockwise) such that external wind enters the impeller 14 from the collector 20 and is blown out as the impeller 14 rotates, and when part of the wind passes through the gap between the diagonal deflector 17 and the impeller 14, the wind speed increases such that it can be discharged from the upper wind-outlet duct 15 along the vertical wind-guiding wind-outlet duct 31 onto the pipeline in communication therewith.
Also, after the air flows through the gap between the right inclined plate 18 and the impeller 14, the air speed is increased so that the air is discharged from the side air outlet channel 16, and is discharged along the side guide air outlet pipe 41 to the pipeline communicated with the side guide air outlet pipe, and the air can be discharged from a plurality of specified directions.
Meanwhile, the side air guide connecting plates 40 and 30 can be disassembled and replaced according to the needs to meet the design or use requirements, and the side air guide connecting plates 40 and 30 containing different numbers of vertical air guide air outlet pipes 31 or 41 are assembled and disassembled.
The above embodiments are only for illustrating the inventive concept of the present utility model and not for limiting the protection of the claims of the present utility model, and all the insubstantial modifications of the present utility model using the concept shall fall within the protection scope of the present utility model.
Claims (6)
1. The utility model provides a box multi-air outlet does not have spiral case centrifugal fan, includes box (10), its characterized in that: the middle part of the box body (10) is provided with a middle partition plate (11), and the middle partition plate (11) partitions the box body (10) into a front ventilation cavity (1) and a rear installation cavity (2);
a motor frame (12) is fixed on the bottom surface of the rear mounting cavity (2), a driving motor (13) is fixed on the motor frame (12), an output shaft of the driving motor (13) is movably connected to the middle partition plate (11) through a bearing, the end part of the output shaft of the driving motor (13) extends out of the front wall surface of the middle partition plate (11) and into the front ventilation cavity (1), an impeller (14) is fixed on the output shaft of the driving motor (13), and the impeller (14) is positioned in the front ventilation cavity (1);
an upper air outlet ventilation groove (15) is formed in the middle of the top surface of the front ventilation cavity (1), and a side air outlet ventilation groove (16) is formed in the middle of the right side wall surface of the front ventilation cavity (1);
an inclined guide plate (17) is fixed at the left part of the front wall surface of the middle partition plate (11), the upper end of the inclined guide plate (17) is close to the left end of the upper air outlet through groove (15), and the bottom end of the inclined guide plate (17) is close to the left upper part of the impeller (14);
the right side of the front wall surface of the middle partition plate (11) is fixedly provided with a right inclined plate (18), the right end of the right inclined plate (18) is close to the upper part of the air outlet through groove (16), and the left end of the right inclined plate (18) is close to the outer side wall of the upper part of the right side of the impeller (14).
2. The box-type multi-air outlet volute-free centrifugal fan according to claim 1, wherein: the front wall of the front ventilation cavity (1) is provided with an air inlet through hole (19), the front end of the current collector (20) is fixed on the front wall plate of the box body (10), the rear end of the current collector (20) extends out of the rear end of the air inlet through hole (19) and into the front ventilation cavity (1), and the rear end of the current collector (20) faces the air inlet in the middle of the front end of the impeller (14).
3. The box-type multi-air outlet volute-free centrifugal fan according to claim 2, wherein: the front end outer side wall of the current collector (20) is provided with a radial extension edge (21), and the radial extension edge (21) is fixedly connected to the front wall surface of the front wall plate of the box body (10) through bolts.
4. The box-type multi-air outlet volute-free centrifugal fan according to claim 1, wherein: the bottom end of the inclined guide plate (17) is provided with a bending edge (171) which is bent leftwards, and the left end of the bending edge (171) is fixed on the left side wall of the front ventilation cavity (1).
5. The box-type multi-air outlet volute-free centrifugal fan according to claim 1, wherein: the left end shaping of right inclined plate (18) has arc portion (181) that upwards extends, and the tip of arc portion (181) is fixed with horizontal support board (182) that extend right, and the back wall of horizontal support board (182) is fixed on the preceding wall of middle division board (11), and the right-hand member of horizontal support board (182) is fixed on the right side wall of preceding ventilation cavity (1).
6. The box-type multi-air outlet volute-free centrifugal fan according to claim 1, wherein: the right side wall of the front ventilation cavity (1) at the lower part of the side air outlet ventilation groove (16) is fixedly provided with a horizontal guide plate (5), the rear wall surface of the horizontal guide plate (5) is fixed on the front wall surface of the middle partition plate (11), and a space is reserved between the left end of the horizontal guide plate (5) and the impeller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948578.2U CN218913270U (en) | 2022-11-07 | 2022-11-07 | Box type multi-air-outlet volute-free centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222948578.2U CN218913270U (en) | 2022-11-07 | 2022-11-07 | Box type multi-air-outlet volute-free centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218913270U true CN218913270U (en) | 2023-04-25 |
Family
ID=86013473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222948578.2U Active CN218913270U (en) | 2022-11-07 | 2022-11-07 | Box type multi-air-outlet volute-free centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218913270U (en) |
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2022
- 2022-11-07 CN CN202222948578.2U patent/CN218913270U/en active Active
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