CN219422386U - Blowing cylinder - Google Patents

Abstract

The utility model discloses a blowing cylinder. The blowing cylinder comprises a shell, a driving piece and a fan. Wherein, the inside wind channel that has of casing, the both ends of casing are provided with air intake and air outlet respectively, and air intake and air outlet all communicate in the wind channel, and the at least part of casing is made by transparent material. The driving piece is accommodated in the air duct. The fan is rotatably connected to the driving member, and the driving member can drive the fan to rotate so as to blow out the air flow from the air outlet. Wherein the fan corresponds to the transparent portion of the housing. At least a portion of the shell is made of transparent materials, the fan corresponds to the transparent portion of the shell, a user can directly observe the rotation state of the fan from the outside, and the rotation state of the fan can be observed in time when abnormal rotation or foreign matters enter the air duct, so that the normal use of the air dryer is ensured.

Description

Blowing cylinder

Technical Field

The utility model relates to the technical field of fans, in particular to a blowing cylinder.

Background

In the related art, the working state of the fan in the blowing barrel cannot be directly observed from the outside, and when foreign matters enter the air duct or the fan rotates abnormally, the user cannot close the blowing barrel in time, and damage to the blowing barrel is likely to occur, so that the problem needs to be solved.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the blowing cylinder, which can directly observe the working state of the fan from the outside.

An embodiment of a blowing duct according to a first aspect of the present utility model includes:

the shell is internally provided with an air duct, two ends of the shell are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the air duct, and at least part of the shell is made of transparent materials;

the driving piece is accommodated in the air duct;

the fan is rotationally connected with the driving piece, and the driving piece can drive the fan to rotate so as to blow out air flow from the air outlet;

wherein the fan corresponds to a transparent portion of the housing.

The air blowing barrel provided by the embodiment of the utility model has at least the following beneficial effects: at least a portion of the shell is made of transparent materials, the fan corresponds to the transparent portion of the shell, a user can directly observe the rotation state of the fan from the outside, and the rotation state of the fan can be observed in time when abnormal rotation or foreign matters enter the air duct, so that the normal use of the air dryer is ensured.

According to some embodiments of the utility model, the housing comprises a main body and a first connecting piece, the first connecting piece is connected to the main body, the main body is provided with the air duct, the first connecting piece is provided with a flow guiding cavity and the air inlet, one end of the flow guiding cavity away from the air inlet is communicated with the air duct, the fan is arranged at one end away from the air outlet and corresponds to the first connecting piece, and the first connecting piece is made of transparent materials.

According to some embodiments of the utility model, the first connector is detachably connected to the main body.

According to some embodiments of the utility model, the first connecting piece is provided with a connecting portion and a first flow guiding portion, the connecting portion is connected to the main body, the first flow guiding portion is provided with the flow guiding cavity, and along the airflow flowing direction, the sectional area of at least part of the flow guiding cavity is gradually reduced.

According to some embodiments of the utility model, the connecting portion and the first deflector portion are detachably connected.

According to some embodiments of the utility model, the first connector is made of plastic.

According to some embodiments of the utility model, the air duct comprises a fixing frame and a heating element, wherein the fixing frame is accommodated in the air duct, the fixing frame comprises a fixing part and a second diversion part, the heating element is connected to the fixing part, the second diversion part and the fixing part are sequentially arranged along the flowing direction of the air flow, and at least part of the second diversion part gradually extends along the flowing direction of the air flow towards the direction close to the inner wall of the shell.

According to some embodiments of the utility model, the outer surface of the second guiding part is an arc surface.

According to some embodiments of the present utility model, the fan includes an inner hub, an outer hub, a first blade set and a second blade set, wherein the outer hub is coaxially disposed with the inner hub and sleeved outside the inner hub, the first blade set is connected to an outer circumferential surface of the outer hub, the first blade set includes a plurality of first blades, the first blades are distributed at intervals along a circumferential direction of the outer hub, the second blade set is located between the inner hub and the outer hub, the second blade set includes a plurality of second blades, the second blades are distributed at intervals along the circumferential direction of the inner hub, two sides of the second blades in a radial direction of the inner hub are respectively connected with the inner hub and the outer hub, and the outer hub shields one side of the second blades facing the outer hub;

wherein the first blade is provided as an axial flow blade or a diagonal flow blade, and the second blade is provided as a centrifugal blade.

According to some embodiments of the utility model, the housing comprises a main body and a second connecting piece detachably connected to an end of the housing away from the air inlet, and the second connecting piece is provided with the air outlet.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a blower cartridge according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a barrel removal fan according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a blower cartridge according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a first connector according to an embodiment of the present utility model;

fig. 5 is a schematic diagram of a fan according to an embodiment of the utility model.

Reference numerals:

the air conditioner comprises a shell 100, an air duct 110, an air inlet 111, an air outlet 112, a main body 120, a first connecting piece 130, a first flow guiding part 131, a flow guiding cavity 132, a connecting part 133 and a second connecting piece 140;

the fixing frame 200, the fixing part 210 and the second diversion part 220;

a driving member 300;

fan 400, inner hub 410, outer hub 420, first blade set 430, first blade 431, second blade set 440, second blade 441;

a heating element 500.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of a number is one or more, the meaning of a number is two or more, and greater than, less than, exceeding, etc. are understood to exclude the present number, and the meaning of a number is understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., mean 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 do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 5, an embodiment of a first aspect of the present application provides a blowing cartridge including a housing 100, a driving member 300, and a fan 400. The inside of the housing 100 is provided with an air duct 110, two ends of the housing 100 are respectively provided with an air inlet 111 and an air outlet 112, the air inlet 111 and the air outlet 112 are both communicated with the air duct 110, and at least part of the housing 100 is made of transparent materials. The driving member 300 is accommodated in the air duct 110. The fan 400 is rotatably connected to the driving member 300, and the driving member 300 can drive the fan 400 to rotate to blow out the air flow from the air outlet 112. Wherein the fan 400 corresponds to a transparent portion of the housing 100.

When in use, the driving member 300 drives the fan 400 to rotate so as to drive the air flow to enter the air duct 110 from the air inlet 111 and to be blown out from the air outlet 112, at least a part of the shell 100 is made of transparent materials, the fan 400 corresponds to the transparent part of the shell 100, a user can directly observe the rotation state of the fan 400 from the outside, and abnormal rotation of the fan 400 or timely observation can be realized when foreign matters enter the air duct 110, so that the normal use of the air blower is ensured. Wherein the driving member 300 may be selected as a motor.

Referring to fig. 2 and 3, in some embodiments, the housing 100 includes a main body 120 and a first connecting member 130, the first connecting member 130 is connected to the main body 120, the main body 120 is provided with an air duct 110, the first connecting member 130 is provided with a flow guiding cavity 132 and an air inlet 111, one end of the flow guiding cavity 132 away from the air inlet 111 is communicated with the air duct 110, the fan 400 is disposed at one end away from the air outlet 112 and corresponds to the first connecting member 130, and the first connecting member 130 is made of a transparent material. The main body 120 and the first connection member 130 may be separately manufactured and then connected, or the main body 120 and the first connection member 130 are made of transparent materials and integrally formed, so that the purpose of observing the operation state of the fan 400 can be achieved.

Further, the first connecting member 130 is detachably connected to the main body 120, and the first connecting member 130 and the main body 120 may be made of different materials and manufactured separately, thereby reducing the difficulty of machining the first connecting member 130 and the main body 120. Specifically, the first connecting piece 130 is connected with the main body 120 through a clamping structure, the first connecting piece 130 is provided with a buckle, and the buckle arranged on the first connecting piece 130 is clamped into the clamping groove arranged on the main body 120 when the main body 120 is provided with the clamping groove for connection, so that stable connection between the first connecting piece 130 and the main body 120 is realized. It can be appreciated that the first connecting member 130 is provided with a slot and the main body 120 is provided with a buckle to achieve the same effect, which will not be described herein.

Referring to fig. 4, in some embodiments, the first connecting member 130 is provided with a connecting portion 133 and a first guiding portion 131, the connecting portion 133 is connected to the main body 120, the first guiding portion 131 is provided with a guiding cavity 132, and along the airflow flowing direction, at least a part of the cross-sectional area of the guiding cavity 132 is gradually reduced, so that the flow rate of the airflow flowing into the guiding cavity 132 can be increased, the wind pressure can be increased, the flow rate and the wind pressure of the airflow flowing out from the air outlet 112 can be increased, and the use feeling of the user can be improved.

Specifically, the first guiding portion 131 and the connecting portion 133 are coaxially disposed, and the first guiding portion 131 is connected to an inner wall of the connecting portion 133, and since the connecting portion 133 is connected to the main body 120 by a buckle, if the guiding cavity 132 is directly disposed inside the connecting portion 133, air leakage may occur at a connection portion between the connecting portion 133 and the main body 120, and a flow rate and a pressure of a portion of the air flow may be lost. By arranging the connecting part 133 and the first guiding part 131, the first guiding part 131 can be better connected with the inner wall of the main body 120, so that the guiding cavity 132 is communicated with the air duct 110, and air leakage is prevented.

In some embodiments, the connection portion 133 and the first deflector portion 131 are detachably connected. The connecting portion 133 and the first guiding portion 131 may be made of different transparent materials, for example, the connecting portion 133 may be made of a material with higher strength to ensure the overall strength of the housing 100, and the first guiding portion 131 may be made of a material with convenient processing and good processing effect to ensure the guiding effect of the first guiding portion 131 on the air flow when the air flow flows through the guiding cavity 132.

In some embodiments, the first connector 130 is made of plastic. Specifically, the first connector 130 may be made of one or more of acrylic, polypropylene, and polyvinyl chloride, etc., so as to ensure that the state of the fan 400 can be observed from the outside through the first connector 130 and have a certain strength, for example, the first guide portion 131 and the connection portion 133 may be made of acrylic and polyvinyl chloride, respectively.

Referring to fig. 2 and 3, in some embodiments, the air blower further includes a fixing frame 200 and a heating element 500, the fixing frame 200 is accommodated in the air duct 110, a flow channel is defined between an outer surface of the fixing frame 200 and an inner wall of the housing 100, the fixing frame 200 includes a fixing portion 210 and a second guiding portion 220, the heating element 500 is connected to the fixing portion 210, and the second guiding portion 220 and the fixing portion 210 are sequentially disposed along a flowing direction of the air flow, and at least a portion of the second guiding portion 220 gradually extends along the flowing direction of the air flow in a direction close to the inner wall of the housing 100. When the air flows through the fixing frame 200, the second guiding portion 220 can guide the air into the area between the second guiding portion 220 and the inner wall of the housing 100, thereby effectively reducing wind resistance and reducing the loss of air flow and wind pressure. Specifically, the blowing cylinder includes a plurality of heating elements 500, and the plurality of heating elements 500 are disposed at intervals on the outer circumferential surface of the fixing portion 210, and the air flow can flow through the gaps between the adjacent heating elements 500 to be sufficiently heated.

Referring to fig. 2 and 3, in some embodiments, the outer surface of the second flow guiding portion 220 is an arc surface. The outer surface of the second guiding portion 220 is an arc surface and gradually transits to the outer surface of the fixing portion 210 along the airflow flowing direction, and the outer surface of the fixing portion 210 is parallel to the airflow flowing direction, so that the airflow can be smoother and more stable when flowing through the outer surface of the second guiding portion 220, and turbulence is not easy to generate.

Referring to fig. 5, in some embodiments, the fan 400 includes an inner hub 410, an outer hub 420, a first blade group 430 and a second blade group 440, the outer hub 420 is coaxially disposed with the inner hub 410 and sleeved outside the inner hub 410, the first blade group 430 is connected to an outer circumferential surface of the outer hub 420, the first blade group 430 includes a plurality of first blades 431, the first blades 431 are spaced apart along a circumferential direction of the outer hub 420, the second blade group 440 is located between the inner hub 410 and the outer hub 420, the second blade group 440 includes a plurality of second blades 441, the second blades 441 are spaced apart along the circumferential direction of the inner hub 410, both sides of the second blades 441 in a radial direction of the inner hub 410 are respectively connected to the inner hub 410 and the outer hub 420, and the outer hub 420 shields the second blades 441 from one side of the outer hub 420; wherein the first vane 431 is provided as an axial flow vane or a diagonal flow vane, and the second vane 441 is provided as a centrifugal vane.

The inner hub 410 and the outer hub 420 are coaxially arranged, the outer hub 420 is sleeved outside the inner hub 410, a gap is formed between the inner hub 410 and the outer hub 420, the first blade set 430 and the second blade set 440 are distributed along the radial direction of the outer hub 420, the first blade set 430 is connected to the outer peripheral surface of the outer hub 420, the second blade set 440 is positioned between the inner hub 410 and the outer hub 420, and the first blade set 430 and the second blade set 440 are respectively positioned at the inner side and the outer side of the outer hub 420 in the radial direction, so that the air entering from the external environment can be received by the first blade set 430 and the second blade set 440, the fan 400 has a larger air inlet area, and the air entering from the air inlet side of the fan 400 can be formed into an air flow through rotation and is discharged, and the air quantity of the fan 400 is increased; specifically, the first vane group 430 includes a plurality of first vanes 431, the plurality of first vanes 431 are spaced apart along the circumference of the outer hub 420, the second vane group 440 includes a plurality of second vanes 441, the plurality of second vanes 441 are spaced apart along the circumference of the inner hub 410, and the second vanes 441 are respectively connected to the outer hub 420 and the inner hub 410 at two sides of the inner hub 410 in the radial direction, and the inner hub 410 may be connected to the driving member 300 and simultaneously drive the first vanes 431 to rotate with the second vane group 440, thereby forming an air flow.

Referring to fig. 2 and 3, in some embodiments, the housing 100 includes a main body 120 and a second connecting member 140, the second connecting member 140 is detachably connected to an end of the housing 100 away from the air inlet 111, and the second connecting member 140 is provided with the air outlet 112. The main body 120 can replace the air outlets 112 with different shapes by connecting with different second connecting pieces 140, so as to achieve different air outlet effects. For example, the air outlet 112 may be circular, annular, or elongated.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model. Furthermore, embodiments of the utility model and features of the embodiments may be combined with each other without conflict.

Claims (10)

1. A blowing drum, comprising:

the shell is internally provided with an air duct, two ends of the shell are respectively provided with an air inlet and an air outlet, the air inlet and the air outlet are both communicated with the air duct, and at least part of the shell is made of transparent materials;

the driving piece is accommodated in the air duct;

the fan is rotationally connected with the driving piece, and the driving piece can drive the fan to rotate so as to blow out air flow from the air outlet;

wherein the fan corresponds to a transparent portion of the housing.

2. The air dryer according to claim 1, wherein the housing comprises a main body and a first connecting piece, the first connecting piece is connected to the main body, the main body is provided with the air duct, the first connecting piece is provided with a flow guiding cavity and the air inlet, one end of the flow guiding cavity, which is far away from the air inlet, is communicated with the air duct, the fan is arranged at one end, which is far away from the air outlet, and corresponds to the first connecting piece, and the first connecting piece is made of transparent materials.

3. A blowing duct according to claim 2, wherein the first connector is detachably connected to the main body.

4. A blowing drum according to claim 2, wherein the first connecting member is provided with a connecting portion and a first guide portion, the connecting portion being connected to the main body, the first guide portion being provided with the guide chamber, and wherein the cross-sectional area of at least part of the guide chamber gradually decreases in the direction of flow of the air stream.

5. The air dryer of claim 4 wherein said connecting portion is removably connected to said first deflector portion.

6. A blowing duct according to any one of claims 2 to 5, wherein the first connector is made of plastics.

7. The air blower according to claim 1, further comprising a fixing frame and a heating member, wherein the fixing frame is accommodated in the air duct, the fixing frame comprises a fixing portion and a second guiding portion, the heating member is connected to the fixing portion, the second guiding portion and the fixing portion are sequentially arranged along the flowing direction of the air flow, and at least part of the second guiding portion gradually extends along the flowing direction of the air flow in a direction close to the inner wall of the housing.

8. The air dryer of claim 7, wherein the outer surface of the second guiding portion is an arc surface.

9. The air blower according to claim 1, wherein the fan comprises an inner hub, an outer hub, a first blade set and a second blade set, the outer hub is coaxially arranged with the inner hub and sleeved outside the inner hub, the first blade set is connected to the outer circumferential surface of the outer hub, the first blade set comprises a plurality of first blades, the first blades are distributed at intervals along the circumferential direction of the outer hub, the second blade set is located between the inner hub and the outer hub, the second blade set comprises a plurality of second blades, the second blades are distributed at intervals along the circumferential direction of the inner hub, the second blades are connected with the inner hub and the outer hub on two sides in the radial direction of the inner hub respectively, and the outer hub shields one side of the second blades facing the outer hub;

wherein the first blade is provided as an axial flow blade or a diagonal flow blade, and the second blade is provided as a centrifugal blade.

10. The air dryer of claim 1, wherein the housing includes a main body and a second connector detachably connected to an end of the housing remote from the air inlet, the second connector being provided with the air outlet.