CN220015524U

CN220015524U - Air quantity adjusting device and fan

Info

Publication number: CN220015524U
Application number: CN202320086771.1U
Authority: CN
Inventors: 钟德浩; 张哲源
Original assignee: GD Midea Environment Appliances Manufacturing Co Ltd
Current assignee: GD Midea Environment Appliances Manufacturing Co Ltd
Priority date: 2023-01-30
Filing date: 2023-01-30
Publication date: 2023-11-14
Anticipated expiration: 2033-01-30

Abstract

The utility model belongs to the technical field of electric appliances, and particularly relates to an air quantity adjusting device and a fan. The air volume adjusting device includes: the support piece is provided with a plurality of first air outlets penetrating through the support piece, each first air outlet is provided with a connecting piece, each connecting piece is internally provided with an air channel penetrating through the connecting piece, and the air channels are communicated with the corresponding first air outlets; the wind shields are respectively and rotatably arranged in the corresponding air channels so as to at least partially block the corresponding air channels. The air quantity adjusting device and the fan meet the requirements of different cooling air quantities of a plurality of users, ensure that the cooling air quantity of each user is met, ensure the comfort of the users and improve the satisfaction of the users.

Description

Air quantity adjusting device and fan

Technical Field

The utility model belongs to the technical field of electric appliances, and particularly relates to an air quantity adjusting device and a fan.

Background

The bladeless fan is also called an air doubling machine, can generate natural and continuous cool wind, does not cover dust or hurt fingers inserted by children because of no blades, has peculiar shape and has streamline and fresh appearance.

However, the bladeless fan in the prior art cannot realize the change of the blowing size under the same gear without changing the output power of the motor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides an air quantity adjusting device and a fan, which aim to at least solve the technical problems that the fan without blades cannot change the output power of a motor under the same gear and the blowing size cannot be changed to a certain extent.

The technical scheme of the utility model is as follows:

the utility model provides an air quantity adjusting device which is characterized in that includes: the support piece is provided with a plurality of first air outlets penetrating through the support piece, each first air outlet is provided with a connecting piece, each connecting piece is internally provided with an air channel penetrating through the connecting piece, and the air channels are communicated with the corresponding first air outlets; the wind shields are respectively and rotatably arranged in the corresponding air channels so as to at least partially block the corresponding air channels.

Because the support piece is provided with a plurality of first air outlets penetrating through the support piece, each first air outlet is provided with the connecting piece, therefore, the connecting piece is supported by the support piece, because the air channels penetrating through the connecting piece are all arranged in each connecting piece, the air channels are communicated with the corresponding first air outlets, the air delivered by the first air outlets enters the air channels, and the corresponding air channels are at least partially plugged due to the fact that the plurality of wind shields are respectively rotatably arranged in the corresponding air channels, the corresponding wind shields are rotated in the air channels according to the requirements of different cool air quantities of a plurality of users, so that the opening degree of the air channels is adjusted, the air quantity of each air channel is adjusted, the output power of a motor is not required to be changed, the change of the air quantity of each air channel is realized under the same gear, the air quantity delivered by each air channel meets the requirements of different cool air quantities of a plurality of users, the cool air quantity of each user is guaranteed to be met, the comfort of the user is guaranteed, and the satisfaction of the user is improved.

In some embodiments, the air volume adjusting device further comprises a first rotating shaft rotatably arranged in the air duct, and the first rotating shaft is provided with a wind shielding piece rotating along with the first rotating shaft, so that the wind shielding piece can conveniently rotate in the air duct to adjust the air volume of the air duct.

In some embodiments, the air quantity adjusting device further comprises a driving piece connected with one end of the first rotating shaft extending out of the connecting piece to drive the first rotating shaft to rotate, and the driving piece drives the first rotating shaft to rotate, so that the first rotating shaft drives the wind shielding piece to rotate in the air duct.

In some embodiments, the shape of the wind shielding piece is matched with the cross-sectional shape of the air duct, so that the wind shielding piece can rotate smoothly in the air duct.

In some embodiments, the area of the wind shielding piece is matched with the area of the air duct, so that the wind shielding piece can rotate smoothly in the air duct.

Based on the same inventive concept, the present utility model also provides a fan including: the shell is provided with a containing cavity, the supporting piece is arranged on the shell to seal the containing cavity, and the first air outlet is communicated with the containing cavity; the fan assembly is arranged in the accommodating cavity; the air cylinders are respectively sleeved on the corresponding connecting pieces and are communicated with the air channels, and the air cylinders are provided with second air outlets.

When the air is to be blown, the fan assembly is started, the air is generated in the accommodating cavity, and sequentially flows through the first air outlet, the air duct and the second air outlet to be blown to users, the air duct can rotate on the connecting piece, so that the second air outlet of the air duct faces different users, then, according to the requirements of different cool air rates of a plurality of users, the corresponding wind shielding piece is rotated in the air duct to adjust the opening degree of the air duct, and then the air outlet of each air duct is adjusted, the output power of the fan assembly is not required to be changed, the change of the blowing size of each air duct is realized under the same gear, each air duct is blown into the air duct, the discharged air quantity of the second air outlet meets the requirements of different cool air rates of a plurality of users, the cool air rates of each user are guaranteed to be met, the comfort of the users is guaranteed, and the satisfaction of the users is improved.

In some embodiments, the second air outlet is provided with a plurality of air guide members, and the air guide members can rotate relative to the air duct to adjust the air outlet angle of the second air outlet, so as to adjust the air outlet direction of the second air outlet.

In some embodiments, the fan further includes a plurality of second rotating shafts rotatably disposed at the second air outlet, and each second rotating shaft is provided with a corresponding air guiding member that rotates along with the second rotating shaft, so as to facilitate adjustment of the direction of the air guiding member.

In some embodiments, a plurality of wind guide pieces are arranged in parallel at equal intervals, so that uniform air outlet is ensured.

The beneficial effects of the utility model at least comprise:

with the continuous rising of user's demand to cool scene in summer, when a plurality of users use the fan, different users often have different requirements of cool amount of wind, and current fan only has an air outlet, can't make different amount of wind that different users experienced, can't change under the output of motor's the condition, select the amount of wind that all users can accept, lead to all users ' cool amount of wind to all to be unsatisfied.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of an air volume adjusting device of the present embodiment;

FIG. 2 is an exploded view of the stroke volume adjustment device of FIG. 1;

fig. 3 is a schematic structural diagram of a fan according to the present embodiment;

FIG. 4 is an exploded view of the fan of FIG. 3;

FIG. 5 is a front view of the fan of FIG. 3;

FIG. 6 is a side view of the fan of FIG. 3;

fig. 7 is a cross-sectional view taken along A-A of the fan of fig. 6.

In the accompanying drawings:

a support 10, a first air outlet 101;

a connector 20, an air duct 201;

a wind shielding member 30;

a first rotation shaft 40;

a housing 50, a housing chamber 501, a heat radiation hole 502, and a support beam 503;

fan assembly 60, fan blades 601, fan motor 602;

a wind tunnel 70, a second wind outlet 701;

and an air guide 80.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture, and if the specific posture is changed, the directional indicators are correspondingly changed.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model is described below with reference to specific embodiments in conjunction with the accompanying drawings:

the embodiment provides an air quantity adjusting device and fan, aims at solving the technical problem that the fan without blades can not realize the same gear down blowing size under the condition of not changing the output power of a motor to a certain extent at least.

Fig. 1 is a schematic structural view of an air volume damper according to the present embodiment, and fig. 2 is an exploded view of the air volume damper. With reference to fig. 1 and 2, the present embodiment includes: a support member 10, a connection member 20, and a wind shielding member 30. The support member 10 is provided with a plurality of first air outlets 101 penetrating through the support member 10, each first air outlet 101 is provided with a connecting piece 20, each connecting piece 20 is internally provided with an air duct 201 penetrating through the connecting piece 20, and the air duct 201 is communicated with the corresponding first air outlet 101. The windshields 30 are rotatably disposed in the corresponding air channels 201, respectively, so as to at least partially block the corresponding air channels 201.

The number of the connection members 20 is the same as the number of the first air outlets 101, and the number of the wind shielding members 30 is the same as the number of the connection members 20.

The connection member 20 is connected to the support member 10, and the connection member 20 is supported by the support member 10.

The wind shielding member 30 is rotatably connected to the inner wall of the air duct 201, that is, the wind shielding member 30 is connected to the connection member 20, and the wind shielding member 30 is supported by the connection member 20.

In the embodiment of the utility model, the supporting piece 10 is provided with the plurality of first air outlets 101 penetrating through the supporting piece 10, and the connecting piece 20 is arranged at each first air outlet 101, so that the supporting piece 10 supports the connecting piece 20, and the air channels 201 penetrating through the connecting piece 20 are arranged in each connecting piece 20, and are communicated with the corresponding first air outlets 101, so that air sent out by the first air outlets 101 enters the air channels 201, and the plurality of air shields 30 are rotatably arranged in the corresponding air channels 201 to at least partially block the corresponding air channels 201, so that the corresponding air shields 30 are rotated in the air channels 201 according to the requirements of different cool air quantities of a plurality of users, so that the opening degree of the air channels 201 is adjusted, the air outlet of each air channel 201 is adjusted, the output power of a motor is not required to be changed, the change of the blowing size of each air channel 201 is realized, the air quantity sent out by each air channel 201 meets the requirements of different cool air quantities of a plurality of users, the cool air quantities of the users are met, the cool air quantity of each user is met, the comfort of the users is ensured, and the user comfort is improved.

In some embodiments, the surface of the wind shielding member 30 is a wind shielding surface, when the air output of the air duct 201 is the maximum, the wind shielding surface of the wind shielding member 30 is parallel to the air output direction in the air duct 201, and only the edge of the wind shielding member 30 shields the wind, however, the thickness of the wind shielding member 30 is smaller, and the influence on the air output is negligible. When the air outlet of the air duct 201 is not needed, that is, the air outlet of the air duct 201 is minimum, the wind shielding surface of the wind shielding member 30 is perpendicular to the air outlet direction in the air duct 201, so that the air duct 201 is completely blocked, and the air duct 201 does not air out any more. When the air output of the air duct 201 is between the maximum and minimum, the air-shielding surface of the air shielding member 30 and the air-out direction in the air duct 201 form an acute angle, so that the angle between the air-shielding surface of the air shielding member 30 and the air-out direction in the air duct 201 can be adjusted according to the air output required by a user, and the air output of the air duct 201 can be adjusted, so that the air output of the air duct 201 meets the requirement of cool air enjoyment of the user.

In some embodiments, when some users need to blow, and another user does not need to blow, the wind shielding member 30 completely blocks the corresponding air duct 201, so that the air at the first air outlet 101 is not blown out through the air duct 201, the motor is not required to be turned off, the air duct 201 which is not closed by the wind shielding member 30 is blown out to the user who needs to blow, and the other user who does not need to blow is not blown out, so that user comfort is ensured, and user satisfaction is improved.

Referring to fig. 2, in some embodiments, in order to facilitate the rotation of the wind shielding member 30 in the air duct 201 to adjust the air output of the air duct 201, the air volume adjusting device further includes a first rotating shaft 40 rotatably disposed in the air duct 201, the wind shielding member 30 rotating with the first rotating shaft 40 is disposed on the first rotating shaft 40, and the wind shielding member 30 is driven to rotate in the air duct 201 by the first rotating shaft 40, so as to change the angle between the wind shielding member 30 and the air output direction in the air duct 201, and further change the air output of the air duct 201.

In this embodiment, when the air output of the air duct 201 needs to be adjusted, the first rotating shaft 40 is rotated, and the first rotating shaft 40 drives the wind shielding member 30 to rotate in the air duct 201, so as to change the angle between the wind shielding member 30 and the air output direction in the air duct 201, and further change the air output of the air duct 201.

Referring to fig. 2, in the present embodiment, in order to facilitate the first rotating shaft 40 to drive the wind shielding member 30 to rotate in the air duct 201 without interfering with the inner wall of the air duct 201, the projection of the first rotating shaft 40 on the wind shielding member 30 coincides with a symmetry axis of the wind shielding member 30, so as to ensure that the wind shielding member 30 can smoothly rotate in the air duct 201.

In this embodiment, in order to drive the first rotating shaft 40 to rotate, so that the first rotating shaft 40 drives the wind shielding member 30 to rotate in the air duct 201, the air volume adjusting device further includes a driving member (not shown in the figure) connected to one end of the first rotating shaft 40 extending out of the connecting member 20 to drive the first rotating shaft 40 to rotate, and the action end of the driving member drives the first rotating shaft 40 to rotate, so that the wind shielding member 30 rotates in the air duct 201, and the angle between the wind shielding member 30 and the air outlet direction in the air duct 201 is changed, so as to change the air outlet volume of the air duct 201. In this embodiment, the driving member may be a driving motor.

In this embodiment, the fixed end of the driving member is disposed on a bracket (not shown) to support the driving member. In the present embodiment, the bracket may be provided on the support member 10 to support the bracket through the support member 10, but of course, the bracket may also be provided on the outer wall of the connection member 20 to support the bracket through the connection member 20. The actuating end of the driving member is connected to the first rotating shaft 40 to drive the first rotating shaft 40 to rotate. In this embodiment, the actuating end of the driving member may be connected to the first rotating shaft 40 through a coupling, so as to facilitate connection between the first rotating shaft 40 and the actuating end of the driving member.

In this embodiment, the support member 20 is provided with a first through hole and a blind hole, the first rotating shaft 40 is disposed in the blind hole by penetrating through the first through hole, and the first rotating shaft 40 is supported by the blind hole, wherein the first rotating shaft 40, the first through hole and the blind hole are coaxially disposed to ensure that the first rotating shaft 40 can smoothly rotate in the air duct 201. Of course, the support member 20 is provided with a first through hole and a second through hole, the first rotating shaft 40 is disposed in the first through hole and the second through hole, and the first rotating shaft 40 is supported by the second through hole, wherein the first rotating shaft 40, the first through hole and the second through hole are coaxially disposed, so as to ensure that the first rotating shaft 40 can smoothly rotate in the air duct 201. However, since the second through hole is formed in the support member 20, a limiting member needs to be disposed on the first rotating shaft 40 to prevent the first rotating shaft 40 from falling off from the second through hole, which increases the cost, and meanwhile, the limiting member may interfere with the rotation of the first rotating shaft 40, so that the rotation of the first rotating shaft 40 is not smooth, and therefore, the support member 20 is preferably formed with the first through hole and the blind hole.

In some embodiments, in conjunction with fig. 1 and 2, in order to ensure that the wind shielding member 30 rotates smoothly in the air duct 201, the shape of the wind shielding member 30 is matched with the cross-sectional shape of the air duct 201, so as to avoid the interference of the inner wall of the air duct 201 with the rotation of the wind shielding member 30, that is, the wind shielding member 30 does not interfere with the inner wall of the air duct 201, so as to ensure that the wind shielding member 30 can rotate smoothly in the air duct 201.

In the present embodiment, the shape of the wind shielding member 201 and the sectional shape of the air duct 201 may be one of a circle, a square, and a polygon. In order to facilitate smooth rotation of the wind shielding member 201 in the air duct 201 and to reduce processing costs, it is preferable that the shape of the wind shielding member 201 and the sectional shape of the air duct 201 be circular.

In some embodiments, in conjunction with fig. 1 and 2, in order to ensure that the wind shielding member 30 rotates smoothly in the air duct 201, the area of the wind shielding member 30 is matched with the area of the air duct 201, so as to avoid the interference of the inner wall of the air duct 201 with the rotation of the wind shielding member 30, that is, the wind shielding member 30 does not interfere with the inner wall of the air duct 201, so as to ensure that the wind shielding member 30 can rotate smoothly in the air duct 201.

Based on the same inventive concept, the utility model also provides a fan, the fan adopts the air quantity adjusting device, the specific structure of the air quantity adjusting device refers to the above embodiments, and all the technical schemes of all the embodiments are adopted, so that the fan at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.

Fig. 3 is a schematic structural view of the fan according to the present embodiment, fig. 4 is an exploded view of the fan in fig. 3, fig. 5 is a front view of the fan in fig. 3, fig. 6 is a side view of the fan in fig. 3, and fig. 7 is a sectional view of the fan in fig. 6 from A-A. Referring to fig. 3, 4, 5, 6, and 7, in some embodiments, the fan includes a housing 50, a fan assembly 60, and a plurality of air ducts 70. The housing 50 is provided with a containing cavity 501, and the supporting member 10 is arranged on the housing 50 to seal the containing cavity 501, and the first air outlet 101 is communicated with the containing cavity 501. The fan assembly 60 is disposed within the receiving cavity 501. The air cylinders 70 are respectively sleeved on the corresponding connecting pieces 20 and are communicated with the air duct 201, and the air cylinders 70 are provided with second air outlets 701.

In this embodiment, when the air is to be blown, the fan assembly 60 is started, the fan assembly 60 generates air in the accommodating cavity 501, the air sequentially passes through the first air outlet 101, the air duct 201, the air duct 70 and the second air outlet 701, and the air duct 70 can rotate on the connecting piece 20, so that the second air outlet 701 of the air duct 70 faces different users, then, according to the requirements of different cooling air volumes of a plurality of users, the corresponding wind shielding piece 30 is rotated in the air duct 201 to adjust the opening of the air duct 201, and then the air outlet of each air duct 201 is adjusted, so that the output power of the fan assembly 60 is not required to be changed, the change of the blowing size of each air duct 201 is realized under the same gear, the air volume discharged by the second air outlet 701 meets the requirements of different cooling air volumes of a plurality of users, the cooling air volumes of each user are ensured to be satisfied, the comfort of the users is ensured, and the satisfaction of the users is improved.

In some embodiments, to ensure that the air duct 70 can smoothly rotate on the connecting piece 20, the fan further includes a bearing (not shown in the figure), wherein an inner ring of the bearing is connected with an outer wall of the connecting piece 20, and an outer ring of the bearing is connected with an inner wall of the air duct 70, so that air leakage can be avoided. In other embodiments, one of the outer wall of the connector 20 and the inner wall of the air duct 70 is provided with an annular groove, and the other is provided with a connecting ring, and the connecting ring is embedded in the annular groove, so that smooth rotation of the air duct 70 on the connector 20 is ensured, and meanwhile, air leakage can be avoided. In this embodiment, the outer wall of the connector 20 is provided with an annular groove, and the inner wall of the air duct 70 is provided with a connecting ring, and the connecting ring is embedded in the annular groove. In order to reduce the cost, it is preferable that one of the outer wall of the connector 20 and the inner wall of the air duct 70 is provided with an annular groove, and the other is provided with a connecting ring, and the connecting ring is embedded in the annular groove.

In some embodiments, to facilitate connection of the support member 10 to the housing 50, a support ring (not shown) is provided on an inner wall of the housing 50, and the support member 10 is supported by the support ring, and the support member 10 is connected to the support ring, so that the support member 10 blocks the accommodating chamber 501. In this embodiment, the supporting member 10 may be connected to the supporting ring by bolts, so as to facilitate assembly and disassembly. In other embodiments, the support 10 may be directly disposed on top of the housing 50, with the rim of the housing 50 supporting the support 10 such that the support 10 seals the receiving cavity 501. To reduce costs, the support 10 may preferably be provided directly on top of the housing 50.

In some embodiments, referring to fig. 4 and 7, in order to ensure that the wind of the first air outlet 101 can be blown to the user through the second air outlet 701, the second air outlet 701 is perpendicular to the first air outlet 101.

Referring to fig. 3, 4, 5, 6 and 7, in some embodiments, in order to facilitate heat dissipation of the fan assembly 60, a plurality of heat dissipation holes 502 are formed in the housing 50, and when the fan assembly 60 is started, heat generated by the fan assembly 60 is discharged through the plurality of heat dissipation holes 502, so as to ensure safety of the fan assembly 60.

Referring to fig. 4 and 7, in some embodiments, the fan assembly 60 includes: fan blades 601 and fan motor 602. The fixed end of the fan motor 602 is fixedly disposed in the housing 50, and the fan motor 602 is supported by the housing 50. In this embodiment, the fixed end of the fan motor 602 may be connected to the housing 50 by a bolt, so as to facilitate assembly and disassembly. The fan motor 602 has an operating end connected to the fan blades 601 to drive the fan blades 601 to rotate, thereby generating wind. In the present embodiment, the operation end of the fan motor 602 can be easily assembled and disassembled with the fan blades 601 by bolts.

Referring to fig. 4 and 7, in the present embodiment, the supporting member 10, the fan blades 601 and the fan motor 602 are coaxially disposed to ensure that wind generated by the fan blades 601 can enter the air duct 201 from the first air outlet 101, wherein the fan blades 601 are disposed between the fan motor 602 and the supporting member 10.

In this embodiment, the accommodating cavity 501 is provided with an opening, and the supporting member 10 is disposed at the opening to close the opening. Wherein, the area of the support member 10 is matched with the area of the opening, and the shape of the support member 10 is matched with the shape of the opening, so as to ensure that the opening can be completely closed and avoid air leakage. In the present embodiment, the shape of the support 10 and the shape of the opening may be one of a circle, a square, and a polygon. While for ease of processing, the shape of the support 10 and the shape of the opening are preferably circular.

In this embodiment, the supporting beam 503 is fixedly disposed in the middle of the accommodating cavity 501, the fixed end of the fan motor 602 is fixedly disposed on the supporting beam 503, and the supporting beam 503 is raised to support the fan motor 602, so that the fan motor 602 is close to the first air outlet 101, and the air generated by the fan blades 601 can be discharged through the first air outlet 101, thereby reducing the air loss.

Referring to fig. 4 and fig. 7, in some embodiments, in order to adjust the air outlet direction of the second air outlet 701, a plurality of air guiding members 80 are disposed at the second air outlet 701, and the plurality of air guiding members 80 can rotate relative to the air duct 70 to adjust the air outlet angle of the second air outlet 701.

In this embodiment, the direction of the air guide member 80 can be changed by rotating the air guide member 80, so that the direction of the air guide member 80 can be adjusted according to different air outlet directions to form air outlet air flows in different directions, the selectivity of the air guide direction of the air guide member 80 is improved, the air blown out by the second air outlet 701 is blown to different users, the comfort of the users is ensured, and the satisfaction of the users is improved.

In this embodiment, in order to realize the adjustment of the direction of the air guide 80, the fan further includes a plurality of second rotating shafts (not shown in the drawing) rotatably disposed at the second air outlet 701, each second rotating shaft is provided with a corresponding air guide 80 rotating along with the second rotating shaft, when the second rotating shaft is rotated, the air guide 80 rotates along with the second rotating shaft, so that the direction of the air guide 80 can be changed, and accordingly, the direction of the air guide 80 can be adjusted according to different air outlet directions, air outlet flows in different directions can be formed, the selectivity of the air guide directions of the air guide 80 can be improved, so that the air blown out by the second air outlet 701 can be blown to different users, the comfort of the users can be ensured, and the satisfaction of the users can be improved.

In this embodiment, in order to ensure uniform air outlet, a plurality of air guide members 80 are arranged in parallel at equal intervals, ensuring user comfort and improving user satisfaction, with reference to fig. 5, 6 and 7.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, or may include both the first and second features not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While preferred embodiments of the present utility model have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the utility model.

It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims

1. An air volume adjusting device, comprising:

the support piece is provided with a plurality of first air outlets penetrating through the support piece, each first air outlet is provided with a connecting piece, each connecting piece is internally provided with an air channel penetrating through the connecting piece, and the air channels are communicated with the corresponding first air outlets;

the wind shields are respectively and rotatably arranged in the corresponding air channels so as to at least partially block the corresponding air channels.

2. The air volume adjusting device according to claim 1, further comprising a first rotating shaft rotatably provided in the air duct, wherein the first rotating shaft is provided with the wind shielding member rotating with the first rotating shaft.

3. The air volume damper according to claim 2, further comprising a driving member connected to an end of the first shaft extending beyond the connecting member to drive the first shaft to rotate.

4. A wind quantity adjusting apparatus according to any one of claims 1 to 3, wherein the shape of the wind shielding member matches the cross-sectional shape of the wind tunnel.

5. A wind quantity adjusting apparatus according to any one of claims 1 to 3, wherein an area of the wind shielding member matches an area of the wind channel.

6. A fan comprising the air volume adjusting device according to any one of claims 1 to 5.

7. The fan of claim 6, wherein the fan comprises:

the shell is provided with a containing cavity, the supporting piece is arranged on the shell to seal the containing cavity, and the first air outlet is communicated with the containing cavity;

the fan assembly is arranged in the accommodating cavity;

the air cylinders are respectively sleeved on the corresponding connecting pieces and are communicated with the air channels, and the air cylinders are provided with second air outlets.

8. The fan of claim 7, wherein a plurality of air guide members are disposed at the second air outlet, and the plurality of air guide members are rotatable relative to the air duct to adjust an air outlet angle of the second air outlet.

9. The fan of claim 8, further comprising a plurality of second shafts rotatably disposed at the second air outlet, wherein each second shaft is provided with a corresponding air guide member that rotates with the second shaft.

10. The fan of claim 8 wherein a plurality of said air guides are disposed in parallel and equally spaced relation.