CN213808162U - Mixed flow fan capable of controlling air volume and having noise reduction structure - Google Patents
Mixed flow fan capable of controlling air volume and having noise reduction structure Download PDFInfo
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- CN213808162U CN213808162U CN202022665986.8U CN202022665986U CN213808162U CN 213808162 U CN213808162 U CN 213808162U CN 202022665986 U CN202022665986 U CN 202022665986U CN 213808162 U CN213808162 U CN 213808162U
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Abstract
The utility model discloses a steerable amount of wind just has mixed flow fan of making an uproar structure of falling, including main part case and axis of rotation, the one end of main part case is provided with the air intake, and the surface mid-mounting of air intake has the dust screen, the inboard mid-mounting of main part case has the motor, and the upper portion of motor is connected with buffer spring. This steerable amount of wind just has mixed flow fan fixed block and the main part case of making an uproar structure of falling and welds mutually between, and control box and main part case between together fixed, and communicate each other between fixed block and the mounting hole, through the control box, attack speed can be controlled, thereby control holistic intake, through the mounting hole, can install the device fixedly, the upper cover plate can be dismantled through connecting and third bolt and between the apron down, and close looks laminating between upper cover plate and the apron down, through connecting and third bolt, can open upper cover plate and apron down, thereby be convenient for maintain whole.
Description
Technical Field
The utility model relates to a mixed flow fan technical field specifically is a steerable amount of wind and has the mixed flow fan of making an uproar structure of falling.
Background
The mixed flow fan is a fan between an axial flow fan and a centrifugal fan, the impeller of the mixed flow fan allows air to move both centrifugally and axially, the movement of air in the casing mixes the two movement forms of axial flow and centrifugation, so called "mixed flow", the mixed flow fan combines the characteristics of the axial flow fan and the centrifugal fan, the appearance looks more like a traditional axial flow fan, the casing can have an open inlet, but more commonly, the mixed flow fan has a right-angled bent shape, so that the motor can be placed outside the pipeline, the discharge casing slowly expands to slow down the speed of air or gas flow and convert kinetic energy into useful static pressure.
The existing mixed flow fan equipment is too complex in structure, noise is easily generated due to vibration generated inside the device when the mixed flow fan equipment is used, the air speed and the air quantity cannot be controlled, and the device is not convenient to clean and maintain integrally.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steerable amount of wind just has mixed flow fan of structure of making an uproar of falling to current mixed flow fan equipment structure that proposes among the above-mentioned background art is too complicated, because the inside production vibrations of device produce the noise easily when using, and the wind speed amount of wind can't be controlled, and the comparatively whole problem of being not convenient for clear up the maintenance of device.
In order to achieve the above object, the utility model provides a following technical scheme: a mixed flow fan capable of controlling air volume and having a noise reduction structure comprises a main body box and a rotating shaft, wherein an air inlet is formed in one end of the main body box, a dust screen is installed in the middle of the surface of the air inlet, a motor is installed in the middle of the inner side of the main body box, a buffer spring is connected to the upper portion of the motor, a first bolt is installed on the upper portion of the buffer spring, the rotating shaft is located at the output end of the motor, a first blade is fixed to the middle of the rotating shaft, a second blade is installed at one end of the rotating shaft through an installing head in the middle of the rotating shaft, an air outlet is formed in the other end of the main body box, a filter screen is installed at the middle of the air outlet through a second bolt in the upper portion of the air outlet, a control box is arranged above the outer portion of the main body box, and the lower part of the upper cover plate is connected with a lower cover plate, the upper part of the surface of the lower cover plate is fixedly provided with a joint, and the middle part of the joint is penetrated with a third bolt.
Preferably, the motor forms a rotating structure with the first blade and the second blade through the rotating shaft, the first blade is fixedly connected with the rotating shaft, and the second blade forms a detachable structure with the rotating shaft through the mounting head.
Preferably, the motor forms an elastic connection structure with the main body box through the buffer spring, and the buffer spring forms a movable connection structure with the main body box through the first bolt.
Preferably, the dust screen forms a bonding structure with the main body box through the air inlet, and the filter screen forms a detachable structure with the main body box through the second bolt.
Preferably, the fixing block and the main body box are welded, the control box and the main body box are fixedly connected, and the fixing block and the mounting hole are communicated with each other.
Preferably, the upper cover plate and the lower cover plate form a movable connection structure through the joint and the third bolt, and the upper cover plate and the lower cover plate are tightly attached.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the motor can rotate through between axis of rotation and first blade and the second blade, and be together fixed between first blade and the axis of rotation, and the second blade can be dismantled through installing between head and the axis of rotation, through the motor, can drive first blade and second blade and rotate, thereby can supply air, through the biplate that sets up, can improve the efficiency of making wind, make mechanical energy by make full use of, through installing the head, can dismantle the second blade, thereby can change it.
2. The motor passes through between buffer spring and the main part case elastic connection together, and buffer spring can dismantle through between first bolt and the main part case, through buffer spring, can slow down vibrations in the motor working process, thereby reduce the production of noise, the dust screen bonds mutually through between air intake and the main part case, and the filter screen can dismantle through between second bolt and the main part case, through the dust screen, can prevent the entering of dust in the air inlet, thereby guarantee the clean degree of air, through the filter screen, can prevent that large granule from getting into the inside production influence to work of device, thereby the degree of safety has been improved.
3. Weld between fixed block and the main part case mutually, and be in the same place between control box and the main part case fixed, and communicate each other between fixed block and the mounting hole, through the control box, can control attack the speed, thereby control holistic intake, through the mounting hole, can install the device fixed, the upper cover plate can be dismantled through connecting and third bolt and down between the apron, and close looks laminating between upper cover plate and the lower apron, through connecting and third bolt, can open upper cover plate and lower apron, thereby be convenient for maintain whole.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a schematic view of the overall structure of the utility model on the right.
In the figure: 1. a main body case; 2. an air inlet; 3. a dust screen; 4. a motor; 5. a buffer spring; 6. a first bolt; 7. a rotating shaft; 8. a first blade; 9. a second blade; 10. a mounting head; 11. an air outlet; 12. a filter screen; 13. a second bolt; 14. a control box; 15. a fixed block; 16. mounting holes; 17. an upper cover plate; 18. a lower cover plate; 19. a joint; 20. and a third bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a mixed flow fan capable of controlling air volume and having a noise reduction structure comprises a main body box 1 and a rotating shaft 7, wherein one end of the main body box 1 is provided with an air inlet 2, the surface middle part of the air inlet 2 is provided with a dust screen 3, the inner side middle part of the main body box 1 is provided with a motor 4, the upper part of the motor 4 is connected with a buffer spring 5, the upper part of the buffer spring 5 is provided with a first bolt 6, the rotating shaft 7 is positioned at the output end of the motor 4, the middle part of the rotating shaft 7 is fixedly provided with a first blade 8, one end of the rotating shaft 7 is provided with a second blade 9 through a mounting head 10 at the middle part, the other end of the main body box 1 is provided with an air outlet 11, the middle part of the air outlet 11 is provided with a filter screen 12 through a second bolt 13 at the upper part, a control box 14 is arranged above the outer part of the main body box 1, a fixing block 15 is fixedly arranged at one side of the bottom of the main body box 1, and a mounting hole 16 is formed in the middle part below the fixing block 15, an upper cover plate 17 is arranged above the outer part of the main body box 1, the lower part of the upper cover plate 17 is connected with a lower cover plate 18, a joint 19 is fixed on the upper part of the surface of the lower cover plate 18, and a third bolt 20 penetrates through the middle part of the joint 19;
the motor 4 forms a rotating structure with the first blade 8 and the second blade 9 through the rotating shaft 7, the first blade 8 is fixedly connected with the rotating shaft 7, the second blade 9 forms a detachable structure with the rotating shaft 7 through the mounting head 10, the motor 4 can drive the first blade 8 and the second blade 9 to rotate, so that air can be supplied, the air-making efficiency can be improved through the arranged double blades, mechanical energy can be fully utilized, and the second blade 9 can be detached through the mounting head 10, so that the second blade 9 can be replaced;
the motor 4 forms an elastic connection structure with the main body box 1 through the buffer spring 5, the buffer spring 5 forms a movable connection structure with the main body box 1 through the first bolt 6, vibration can be slowed down in the working process of the motor 4 through the buffer spring 5, noise is reduced, the dustproof net 3 forms an adhesive structure with the main body box 1 through the air inlet 2, the filter screen 12 forms a detachable structure with the main body box 1 through the second bolt 13, dust can be prevented from entering in the air inlet process through the dustproof net 3, the air cleanliness is guaranteed, large particles can be prevented from entering the device through the filter screen 12 to influence the work, and the safety degree is improved;
for the welding between fixed block 15 and the main part case 1, and be fixed connection between control box 14 and the main part case 1, and communicate each other between fixed block 15 and the mounting hole 16, through control box 14, can control the attack speed, thereby control holistic intake, through mounting hole 16, can install the device fixedly, upper cover plate 17 constitutes swing joint structure through connecting 19 and third bolt 20 and under 18 between apron, and closely laminate between upper cover plate 17 and the under 18 apron, through connecting 19 and third bolt 20, can open upper cover plate 17 and under 18 apron, thereby be convenient for maintain whole.
The working principle is as follows: the motor 4 can rotate with the first blade 8 and the second blade 9 through the rotating shaft 7, firstly, the first blade 8 and the second blade 9 are driven to rotate through the motor 4, so that air can be supplied, then, the air-making efficiency can be improved through the arranged double blades, so that mechanical energy can be fully utilized, then, the second blade 9 can be disassembled through the mounting head 10, so that the second blade can be replaced, the motor 4 is elastically connected with the main body box 1 through the buffer spring 5, at the moment, the vibration can be reduced in the working process of the motor 4 through the buffer spring 5, so that noise is reduced, the dustproof net 3 is bonded with the main body box 1 through the air inlet 2, then, dust can be prevented from entering in the air inlet process through the dustproof net 3, so that the air cleanliness is ensured, and then, through the filter net 12, will prevent that large granule from getting into the inside influence to work of device, thereby the degree of safety has been improved, weld mutually between fixed block 15 and the main part case 1, be in the same place between control box 14 and the main part case 1, through control box 14 this moment, can control attack the speed, thereby control holistic intake, later through mounting hole 16, can install the device fixedly, through connecting 19 and third bolt 20 at last, open upper cover plate 17 and lower cover plate 18, thereby be convenient for maintain whole.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a steerable amount of wind just has mixed flow fan of structure of making an uproar that falls, includes main part case (1) and axis of rotation (7), its characterized in that: the dust-proof device is characterized in that one end of the main body box (1) is provided with an air inlet (2), the surface middle of the air inlet (2) is provided with a dust-proof net (3), the inner side middle of the main body box (1) is provided with a motor (4), the upper portion of the motor (4) is connected with a buffer spring (5), a first bolt (6) is installed on the upper portion of the buffer spring (5), the rotating shaft (7) is located at the output end of the motor (4), a first blade (8) is fixed at the middle of the rotating shaft (7), a second blade (9) is installed at one end of the rotating shaft (7) through an installing head (10) at the middle of the rotating shaft, an air outlet (11) is formed in the other end of the main body box (1), a filter screen (12) is installed at the middle of the air outlet (11) through a second bolt (13) at the upper portion, a control box (14) is arranged above the outer portion of the main body box (1), and bottom one side of main part case (1) is fixed with fixed block (15), mounting hole (16) have been seted up in the below middle part of fixed block (15), the outside top of main part case (1) is provided with upper cover plate (17), and the sub-unit connection of upper cover plate (17) has lower apron (18), the surperficial upper portion of apron (18) is fixed with joint (19) down, and the middle part of joint (19) runs through has third bolt (20).
2. The mixed flow fan with the controllable air volume and the noise reduction structure as claimed in claim 1, wherein: the motor (4) forms a rotating structure through the rotating shaft (7) and the first blade (8) and the second blade (9), the first blade (8) is fixedly connected with the rotating shaft (7), and the second blade (9) forms a detachable structure through the mounting head (10) and the rotating shaft (7).
3. The mixed flow fan with the controllable air volume and the noise reduction structure as claimed in claim 1, wherein: the motor (4) forms an elastic connection structure with the main body box (1) through the buffer spring (5), and the buffer spring (5) forms a movable connection structure with the main body box (1) through the first bolt (6).
4. The mixed flow fan with the controllable air volume and the noise reduction structure as claimed in claim 1, wherein: the dust screen (3) forms a bonding structure with the main body box (1) through the air inlet (2), and the filter screen (12) forms a detachable structure with the main body box (1) through the second bolt (13).
5. The mixed flow fan with the controllable air volume and the noise reduction structure as claimed in claim 1, wherein: the fixing block (15) and the main body box (1) are welded, the control box (14) and the main body box (1) are fixedly connected, and the fixing block (15) and the mounting hole (16) are communicated with each other.
6. The mixed flow fan with the controllable air volume and the noise reduction structure as claimed in claim 1, wherein: the upper cover plate (17) and the lower cover plate (18) form a movable connecting structure through a joint (19) and a third bolt (20), and the upper cover plate (17) and the lower cover plate (18) are tightly attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665986.8U CN213808162U (en) | 2020-11-17 | 2020-11-17 | Mixed flow fan capable of controlling air volume and having noise reduction structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665986.8U CN213808162U (en) | 2020-11-17 | 2020-11-17 | Mixed flow fan capable of controlling air volume and having noise reduction structure |
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| Publication Number | Publication Date |
|---|---|
| CN213808162U true CN213808162U (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022665986.8U Active CN213808162U (en) | 2020-11-17 | 2020-11-17 | Mixed flow fan capable of controlling air volume and having noise reduction structure |
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| CN (1) | CN213808162U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118049388A (en) * | 2024-04-16 | 2024-05-17 | 德州隆达空调设备集团有限公司 | High-efficient smoke exhaust fan |
-
2020
- 2020-11-17 CN CN202022665986.8U patent/CN213808162U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118049388A (en) * | 2024-04-16 | 2024-05-17 | 德州隆达空调设备集团有限公司 | High-efficient smoke exhaust fan |
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