CN211082334U - Centrifugal fan with adjustable air-out direction - Google Patents
Centrifugal fan with adjustable air-out direction Download PDFInfo
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- CN211082334U CN211082334U CN201921714755.2U CN201921714755U CN211082334U CN 211082334 U CN211082334 U CN 211082334U CN 201921714755 U CN201921714755 U CN 201921714755U CN 211082334 U CN211082334 U CN 211082334U
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- centrifugal fan
- rotating chassis
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- volute
- adjustable air
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Abstract
The utility model provides a centrifugal fan with adjustable air-out direction relates to centrifugal fan technical field, has solved the less technical problem of centrifugal fan air-out scope that exists among the prior art. The centrifugal fan with the adjustable air outlet direction comprises a centrifugal fan body and an air guide device; the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed. The utility model is used for a can realize sweeping wind function, centrifugal fan with adjustable the great air-out direction of air-out scope is provided.
Description
Technical Field
The utility model belongs to the technical field of the centrifugal fan technique and specifically relates to a centrifugal fan with adjustable air-out direction is related to.
Background
The centrifugal fan is widely applied to electrical equipment such as a mobile air conditioner, a fresh air fan, an air processor and the like, and the centrifugal fan is mainly used for providing kinetic energy for air and forming flowing air flow in the electrical equipment, so that the air flow can quickly pass through an air processing device (such as an evaporator of the air conditioner, a total heat exchange core body of the fresh air fan, a filter screen of the air purifier and the like) to perform refrigeration, heat exchange, air purification, humidification, dehumidification and the like on the air. The centrifugal fan in the prior art generally comprises a motor, a motor support, centrifugal fan blades and a volute, the air outlet direction of the centrifugal fan is determined by the air outlet direction of the volute, and the air outlet direction of the centrifugal fan cannot be changed and the air outlet range is smaller due to the fact that the volute is fixedly connected with a centrifugal fan body.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifugal fan with adjustable air-out direction to the centrifugal fan air-out direction that exists among the solution prior art can not change, the less technical problem of air-out scope. The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a centrifugal fan with adjustable air outlet direction, which comprises a centrifugal fan body and an air guide device; wherein the content of the first and second substances,
the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed.
In a preferred or optional embodiment, the air guiding device includes a driving mechanism and a volute, an air outlet is provided on the volute, the volute is rotatably connected with the centrifugal fan body, and the driving mechanism can drive the volute to rotate around an axis of the volute.
In a preferred or alternative embodiment, the driving mechanism comprises a driving motor and a driving gear, and the volute is provided with teeth meshed with the driving gear.
In a preferred or optional embodiment, the air guiding device further comprises a rotating chassis, the volute is fixedly connected with the rotating chassis, and the rotating chassis is rotatably connected with the centrifugal fan body.
In a preferred or optional embodiment, the centrifugal fan body further comprises a mounting plate and a fixing frame, the mounting plate is fixedly connected with the fixing frame, and the fixing frame is sleeved outside the rotating chassis.
In a preferred or alternative embodiment, a sliding and rolling device is further arranged on the rotating chassis; the sliding and rolling device is arranged on the circumferential outer surface of the rotating chassis; and/or the sliding and rolling device is arranged at the bottom of the rotating chassis.
In a preferred or alternative embodiment, the roller assembly is a roller assembly.
In a preferred or optional embodiment, at least three sliding and rolling devices are uniformly distributed on the circumferential outer surface of the rotating chassis; and/or at least three sliding and rolling devices are uniformly distributed at the bottom of the rotating chassis along the circumferential direction of the rotating chassis.
In a preferred or optional embodiment, the air guiding device further comprises a photoelectric encoder, the photoelectric encoder is fixedly arranged on the centrifugal fan body, a rack is arranged on the rotating chassis, and the photoelectric encoder is arranged corresponding to the rack in position and can detect the number of teeth passing through a detection area of the photoelectric encoder on the rack.
In a preferred or alternative embodiment, the rack is arranged at the bottom of the rotating chassis and teeth of the rack are distributed at equal intervals around the circumferential direction of the rotating chassis.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
the utility model provides a centrifugal fan with adjustable air-out direction, including centrifugal fan body and air ducting, air ducting with connect for rotating between the centrifugal fan body, after the centrifugal fan body forms the air current, air ducting can derive the air current this external centrifugal fan, because air ducting with connect for rotating between the centrifugal fan body, consequently because air ducting's rotation can change the direction of air current outflow centrifugal fan body, makes it can realize sweeping the wind function, and the air-out scope is great.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of a centrifugal fan with adjustable air outlet direction provided by the present invention;
fig. 2 is an explosion structure diagram of the centrifugal fan with adjustable air outlet direction provided by the utility model;
FIG. 3 is a cross-sectional view of the rotating chassis mounting illustrated in FIG. 2;
FIG. 4 is a schematic view of the rotating chassis mechanism shown in FIG. 2;
fig. 5 is a schematic view of the volute structure shown in fig. 2.
In the figure, 1, a centrifugal fan body; 11. mounting a plate; 12. a fixed mount; 13. a centrifugal fan blade; 14. a fan blade motor; 15. a motor bracket; 2. an air guide device; 21. a drive mechanism; 211. a drive motor; 212. a drive gear; 22. a volute; 221. an air outlet; 23. rotating the chassis; 231. a slide and roll device; 232. a rack; 24. a photoelectric encoder.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a can realize sweeping wind function, centrifugal fan with adjustable the great air-out direction of air-out scope.
The technical solution provided by the present invention will be explained in more detail with reference to fig. 1 to 5.
As shown in fig. 1 to 5, the centrifugal fan with adjustable air outlet direction provided by the present invention comprises a centrifugal fan body 1 and an air guide device 2; wherein the content of the first and second substances,
rotatable coupling between air ducting 2 and the centrifugal fan body 1 to change the air-out direction that centrifugal fan body 1 produced the air current.
The utility model provides a centrifugal fan with adjustable air-out direction, including centrifugal fan body 1 and air ducting 2, be rotatable coupling between air ducting 2 and the centrifugal fan body 1, after centrifugal fan body 1 formed the air current, air ducting 2 can derive the air current outside the centrifugal fan body 1, because be connected for rotating between air ducting 2 and the centrifugal fan body 1, consequently because air ducting 2's rotation can change the direction that the air current flows centrifugal fan body 1, make it can realize sweeping the wind function, the air-out scope is great.
In a preferred or alternative embodiment, the air guiding device 2 includes a driving mechanism 21 and a volute 22, an air outlet 221 is provided on the volute 22, the volute 22 is rotatably connected with the centrifugal fan body 1, and the driving mechanism 21 can drive the volute 22 to rotate around the axis thereof.
Specifically, as shown in fig. 2, the centrifugal fan body 1 further includes a centrifugal fan blade 13, a fan blade motor 14 and a motor support 15, the fan blade motor 14 is mounted on the motor support 15, the fan blade motor 14 can drive the centrifugal fan blade 13 to rotate, the centrifugal fan blade 13 rotates to generate an air flow, the volute casing 22 is sleeved outside the centrifugal fan blade 13, the air flow generated by the centrifugal fan blade 13 flows out of the centrifugal fan body 1 through an air outlet 221 on the volute casing 22, the driving mechanism 21 drives the volute casing 22 to rotate, so that the air outlet 221 on the volute casing can rotate, and thus the wind sweeping function is realized.
In a preferred or alternative embodiment, the driving mechanism 21 includes a driving motor 211 and a driving gear 212, and the spiral casing 22 is provided with teeth engaged with the driving gear 212.
Specifically, the driving mechanism 21 may be disposed outside the spiral casing 22, a power output end of the driving motor 211 is connected to the driving gear 212 to drive the driving gear 212 to rotate, and the driving gear 212 is engaged with the teeth on the spiral casing 22 to drive the spiral casing 22 to rotate.
In a preferred or optional embodiment, the air guiding device 2 further includes a rotating chassis 23, the volute casing 22 is fixedly connected to the rotating chassis 23, and the rotating chassis 23 is rotatably connected to the centrifugal fan body 1. The rotating chassis 23 may serve as a rotational connection of the volute casing 22 to the centrifugal fan body 1.
As a preferred or optional embodiment, the centrifugal fan body 1 further includes a mounting plate 11 and a fixing frame 12, the mounting plate 11 is fixedly connected to the fixing frame 12, and the fixing frame 12 is sleeved outside the rotating base plate 23.
Specifically, the fixed frame 12 and the mounting plate 11 may be connected by a threaded fastener, and a placing space for the rotating chassis 23 is provided inside the fixed frame 12, so that the rotating chassis 23 can be placed in the placing space, the rotating chassis 23 can rotate around an axis of the rotating chassis 23, and axial movement of the rotating chassis 23 can be limited.
As a preferred or alternative embodiment, the rotating chassis 23 is further provided with a sliding and rolling device 231; the sliding and rolling device 231 is arranged on the circumferential outer surface of the rotating chassis 23; and/or the skimming device 231 is arranged at the bottom of the rotating chassis 23.
Specifically, since the centrifugal fan body 1 is not fixed in the direction of installation on the electrical equipment, and may be installed vertically or horizontally, the sliding and rolling device 231 is provided on the circumferential outer surface and the bottom of the rotating chassis 23, and the friction between the rotating chassis 23 and the fixed frame 12 or the installation plate 11 can be reduced regardless of whether the centrifugal fan body 1 is installed vertically or horizontally.
In a preferred or alternative embodiment, the roller assembly 231 is a roller assembly. The roller assembly can change the sliding friction between the rotating chassis 23 and the fixed frame 12 and the mounting plate 11 into rolling, so as to reduce the friction force therebetween.
As a preferred or alternative embodiment, at least three of the sliding and rolling devices 231 are uniformly distributed on the circumferential outer surface of the rotating chassis 23; and/or, at least three sliding and rolling devices 231 are uniformly distributed at the bottom of the rotating chassis 23 along the circumferential direction thereof.
Specifically, at least three sliding and rolling devices 231 are uniformly distributed on the circumferential outer surface of the rotating chassis 23, so that the rotating chassis 23 and the fixed frame 12 are coaxial; at least three sliding and rolling devices 231 are uniformly distributed at the bottom of the rotating chassis 23 along the circumferential direction of the rotating chassis, so that the bottom surface of the rotating chassis 23 is parallel to the mounting plate 11, and the rotating chassis 23 can run more stably.
In a preferred or alternative embodiment, the air guiding device 2 further includes a photoelectric encoder 24, the photoelectric encoder 24 is fixedly disposed on the centrifugal fan body 1, a rack 232 is disposed on the rotating chassis 23, and the photoelectric encoder 24 is disposed in correspondence to the rack 232 and is capable of detecting the number of teeth on the rack 232 passing through a detection area of the photoelectric encoder 24.
Specifically, the photoelectric encoder 24 is fixed on the mounting plate 11, when the rotary chassis 23 rotates, the rack 232 can just pass through between the light emitter and the light receiver of the photoelectric encoder 24 to shield the emitted light, each tooth can generate a pulse signal through the photoelectric encoder 24, and the rotating angle is obtained through the detected number of the teeth.
As a preferred or alternative embodiment, the rack 232 is disposed at the bottom of the rotating chassis 23 and the teeth of the rack 232 are equally spaced around the circumferential direction of the rotating chassis 23.
Specifically, the arc radian of the rack 232 is consistent with the arc radian of the teeth on the volute 22, so that each angle of rotation of the volute 22 can be measured, and the precision of the measured angle is influenced by the size of the space on the rack 232; in addition, the arc radian of the teeth on the volute 22 determines the rotation angle of the air outlet, preferably 180 degrees, so that the size of the volute can be reduced; the arrangement position of the teeth can be started from the volute tongue, and the radius of the existing volute is shortest at the volute tongue and then gradually expands, so that the influence on the size of the volute caused by the arrangement of the teeth on the rack 232 from the volute tongue is minimum, and the arc radian of the teeth on the rack 232 is determined according to the requirement of an air outlet corner.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A centrifugal fan with adjustable air outlet direction is characterized by comprising a centrifugal fan body and an air guide device; wherein the content of the first and second substances,
the air guide device is rotatably connected with the centrifugal fan body, so that the air outlet direction of air flow generated by the centrifugal fan body is changed.
2. The centrifugal fan with the adjustable air-out direction according to claim 1, wherein the air guiding device includes a driving mechanism and a volute, an air outlet is formed in the volute, the volute is rotatably connected with the centrifugal fan body, and the driving mechanism can drive the volute to rotate around an axis of the volute.
3. The centrifugal fan with the adjustable air outlet direction according to claim 2, wherein the driving mechanism comprises a driving motor and a driving gear, and the volute is provided with teeth engaged with the driving gear.
4. The centrifugal fan with the adjustable air-out direction according to claim 2, wherein the air guiding device further comprises a rotating chassis, the volute is fixedly connected with the rotating chassis, and the rotating chassis is rotatably connected with the centrifugal fan body.
5. The centrifugal fan with the adjustable air-out direction according to claim 4, wherein the centrifugal fan body further comprises a mounting plate and a fixing frame, the mounting plate is fixedly connected with the fixing frame, and the fixing frame is sleeved outside the rotating chassis.
6. The centrifugal fan with the adjustable air outlet direction according to claim 5, wherein a sliding and rolling device is further arranged on the rotating chassis; the sliding and rolling device is arranged on the circumferential outer surface of the rotating chassis; and/or the sliding and rolling device is arranged at the bottom of the rotating chassis.
7. The centrifugal fan with the adjustable air-out direction according to claim 6, wherein the sliding and rolling device is a roller assembly.
8. The centrifugal fan with the adjustable air outlet direction according to claim 6, wherein at least three sliding and rolling devices are uniformly distributed on the circumferential outer surface of the rotating chassis; and/or at least three sliding and rolling devices are uniformly distributed at the bottom of the rotating chassis along the circumferential direction of the rotating chassis.
9. The centrifugal fan with the adjustable air outlet direction according to claim 4, wherein the air guiding device further comprises a photoelectric encoder, the photoelectric encoder is fixedly arranged on the centrifugal fan body, a rack is arranged on the rotating chassis, and the photoelectric encoder is arranged corresponding to the rack in position and can detect the number of teeth on the rack passing through a detection area of the photoelectric encoder.
10. The centrifugal fan with the adjustable air-out direction according to claim 9, wherein the rack is disposed at the bottom of the rotating chassis and teeth of the rack are distributed at equal intervals around the circumferential direction of the rotating chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714755.2U CN211082334U (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714755.2U CN211082334U (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
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| Publication Number | Publication Date |
|---|---|
| CN211082334U true CN211082334U (en) | 2020-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921714755.2U Active CN211082334U (en) | 2019-10-12 | 2019-10-12 | Centrifugal fan with adjustable air-out direction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762035A (en) * | 2019-10-12 | 2020-02-07 | 珠海格力电器股份有限公司 | Centrifugal fan with adjustable air-out direction |
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
-
2019
- 2019-10-12 CN CN201921714755.2U patent/CN211082334U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110762035A (en) * | 2019-10-12 | 2020-02-07 | 珠海格力电器股份有限公司 | Centrifugal fan with adjustable air-out direction |
| CN114320952A (en) * | 2021-12-22 | 2022-04-12 | 上海冠带通风节能设备有限公司 | Fan |
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