CN209800368U

CN209800368U - shell structure and fan device with same

Info

Publication number: CN209800368U
Application number: CN201920295439.XU
Authority: CN
Inventors: 柳洲; 王凯强; 王红兵; 梁浩; 王孝忱; 梁文龙
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-03-08
Filing date: 2019-03-08
Publication date: 2019-12-17
Anticipated expiration: 2029-03-08

Abstract

The utility model provides a shell structure and have its fan unit. The housing structure includes: the first end of the base shell is provided with an air inlet; the impeller shell is arranged in the base shell; and the damping rubber pad is arranged between the impeller shell and the base shell. The shock absorption rubber pad is arranged between the impeller shell and the base shell, so that the noise caused by vibration generated by the impeller shell is effectively reduced, and the use feeling of a user of the fan with the shell structure is improved.

Description

Shell structure and fan device with same

Technical Field

the utility model relates to a bladeless fan equipment technical field particularly, relates to a shell structure and have its fan unit.

background

The bladeless fan is more and more popular due to the unique structural design and excellent safety performance. But the bladeless fan in the prior art still has the not enough of certain degree in the aspect of the amount of wind, and the fan structure in the prior art mainly has the problems such as the air inlet efficiency is low, the air output is little, the security performance is poor, vibration noise is big.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a housing structure and a fan device having the same, which can solve the problem of noise of the bladeless fan in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a casing structure, including: the first end of the base shell is provided with an air inlet; the impeller shell is arranged in the base shell; and the damping rubber pad is arranged between the impeller shell and the base shell.

Further, the housing structure further includes: the flow collecting cover is connected with the base shell, at least part of the flow collecting cover is positioned between the air inlet and the impeller shell, and the flow collecting cover is used for guiding the air flow entering from the air inlet to the impeller shell.

Further, the impeller housing includes: the first end of lower impeller shell is connected with the base shell, and the second end of lower impeller shell extends the setting towards mass flow cover one side, and the internal diameter of lower impeller shell reduces from the first end of lower impeller shell to the second end of lower impeller shell gradually, and the second end of mass flow cover extends to in the second end of lower impeller shell.

further, the impeller housing further includes: go up the impeller shell, the first end of going up the impeller shell is connected with the base casing, the second end of going up the impeller shell is kept away from down the impeller shell and is extended the setting, the internal diameter of going up the impeller shell reduces gradually from the first end of last impeller shell to the second end of the last impeller shell, it forms airtight chamber of holding to go up between impeller shell and the lower impeller shell, the second end of lower impeller shell forms the airtight inlet end that holds the chamber, the second end of going up the impeller shell forms the airtight end of giving vent to anger that holds the chamber.

Further, the upper impeller housing includes: the guide impeller is connected with the upper impeller shell body and arranged in the closed accommodating cavity, and a flow guide channel is formed between the outer surface of the guide impeller and the inner wall surface of the upper impeller shell body; the driving part is connected with the guide impeller and arranged in the closed accommodating cavity; the impeller is arranged in the closed accommodating cavity and is connected with an output shaft of the driving part, and the driving part is used for driving the impeller to rotate so as to guide airflow entering from the air inlet to the flow guide channel and guide the airflow out of the impeller shell after the airflow is pressurized.

Further, the base housing includes: the first end of the lower base shell is provided with a supporting plate, the flow collecting cover is connected with the inner wall surface of the second end of the lower base shell, and the air inlet is formed in the lower base shell; the first end of the upper base shell is detachably connected with the second end of the lower base shell, and the impeller shell is arranged in the upper base shell.

Further, the current collecting cover includes: the first component section is of an annular structure, the first end of the first component section is connected with the inner circumferential surface of the base shell, and the second end of the first component section extends along the radial direction of the base shell; the second component section is of a tubular structure, the first end of the second component section is connected with the second end of the first component section, and the second end of the second component section extends towards the impeller shell; and the third group of sections are of tubular structures, the first ends of the third group of sections are connected with the second ends of the second group of sections, and the second ends of the third group of sections extend into the impeller shell.

Further, the inner diameter of the second constituent segment decreases from the first end of the second constituent segment to the second end of the second constituent segment.

Further, the inner wall surface of the second component section is of a cambered surface structure.

Further, the axis of the third component is parallel to the axis of the base housing.

Furthermore, the wall thickness of the flow collecting cover is L, wherein L is more than or equal to 1mm and less than or equal to 3 mm.

Further, the air inlet hole is a plurality of, and a plurality of air inlet holes set up along the circumference of base casing and/or axial interval.

further, a first end of the manifold cap is connected to the base housing and a second end of the manifold cap extends into the impeller shell.

according to another aspect of the present invention, there is provided a fan apparatus, including a housing structure, the housing structure is the above-mentioned housing structure.

use the technical scheme of the utility model, set up the shock attenuation cushion between impeller shell and base casing, reduced effectively because impeller shell produces vibrations and the noise that causes, improved the user who has this shell structure's fan and used the impression.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

Fig. 1 shows a schematic cross-sectional view of a first embodiment of a shell structure according to the invention;

Fig. 2 shows a schematic cross-sectional view of a second embodiment of a shell structure according to the invention;

Fig. 3 shows a schematic cross-sectional view of a third embodiment of a shell structure according to the invention;

Fig. 4 shows a schematic structural view of a fourth embodiment of the housing structure according to the invention.

wherein the figures include the following reference numerals:

1. A base housing; 11. a lower base housing; 12. a support disc; 13. an upper base housing; 2. a flow-collecting hood; 3. an impeller housing; 31. a lower impeller shell; 32. an upper impeller housing; 4. a shock-absorbing rubber pad; 5. a drive section; 6. an impeller; 7. a guide vane wheel; 8. a motor bracket.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

referring to fig. 1 to 4, according to an embodiment of the present invention, a housing structure is provided.

specifically, the housing structure includes a base housing 1, an impeller housing 3, and a cushion 4. The first end of the base housing 1 is provided with an air inlet. The impeller housing 3 is disposed within the base housing 1. The cushion rubber 4 is arranged between the impeller shell 3 and the base shell 1.

In this embodiment, set up the shock attenuation cushion between impeller shell and base casing, reduced effectively because the impeller shell produces the noise that vibrations caused, improved the user of the fan that has this shell structure and used the impression.

Further, the housing structure also comprises a collecting hood 2. The collecting cover 2 is connected with the base shell 1, at least part of the collecting cover 2 is positioned between the air inlet and the impeller shell 3, and the collecting cover 2 is used for guiding the air flow entering from the air inlet into the impeller shell 3. The air inlet end of the shell structure adopts a set mode of the flow collecting cover, so that the air inlet efficiency can be improved, the leakage flow loss caused by air inlet gaps is reduced, and the air inlet amount of the fan with the shell structure is increased. Wherein, the inlet port is a plurality of, and a plurality of inlet ports set up with axial interval along base casing 1's circumference.

As shown in fig. 1 and 3, a first end of the collecting cover 2 is connected to the base housing 1, and a second end of the collecting cover 2 extends into the impeller housing 3. The arrangement can completely guide the air sucked from the air inlet into the impeller shell for pressurization, thereby avoiding the leakage loss after the air flow enters the base shell and improving the practicability of the shell structure.

Further, the manifold housing 2 includes a first constituent segment, a second constituent segment, and a third constituent segment. The first component section is of an annular structure, the first end of the first component section is connected with the inner circumferential surface of the base shell 1, and the second end of the first component section extends along the radial direction of the base shell 1. The second component section is of a tubular structure, a first end of the second component section is connected with a second end of the first component section, and a second end of the second component section extends towards the impeller shell 3. The third component section is of a tubular structure, the first end of the third component section is connected with the second end of the second component section, and the second end of the third component section extends into the impeller shell 3. Wherein the second component section has an inner diameter that gradually decreases from a first end of the second component section to a second end of the second component section. The arrangement ensures that the inner diameter of the airflow channel of the flow collecting cover 2 is gradually reduced and then is kept unchanged, so that the structural skill of the shell can keep the air inlet amount and ensure the air duct pressure of the air inlet amount to be increased and the stability of the airflow.

Preferably, the inner wall surface of the second component section is in a cambered surface structure. This arrangement can effectively reduce the wind resistance of the second constituent segment.

Further, the axis of the third component is parallel to the axis of the base housing 1. This arrangement enables the air flow in the base housing to be efficiently and smoothly introduced into the impeller housing 3. Of course, the first, second and third constituent segments may be arranged in a constant diameter manner.

Specifically, as shown in fig. 3, the impeller housing 3 includes a lower impeller housing 31 and an upper impeller housing 32. The first end of the lower impeller housing 31 is connected to the base housing 1, the second end of the lower impeller housing 31 extends toward the collector hood 2, the inner diameter of the lower impeller housing 31 gradually decreases from the first end of the lower impeller housing 31 to the second end of the lower impeller housing 31, and the second end of the collector hood 2 extends into the second end of the lower impeller housing 31. The first end of going up impeller shell 32 is connected with base housing 1, the second end of going up impeller shell 32 is kept away from lower impeller shell 31 and is extended the setting, the internal diameter of going up impeller shell 32 reduces from the first end of going up impeller shell 32 to the second end of the last impeller shell 32 gradually, it holds the chamber to form airtight between going up impeller shell 32 and the lower impeller shell 31, the second end of lower impeller shell 31 forms the airtight inlet end who holds the chamber, the second end of going up impeller shell 32 forms the airtight end of giving vent to anger that holds the chamber.

as shown in fig. 3, the casing structure further includes a drive portion 5 and an impeller 6. The upper impeller housing 32 includes the guide impeller 7. The guide impeller 7 is connected with the upper impeller shell body, and the guide impeller 7 is arranged in the closed accommodating cavity. A flow guide channel is formed between the outer surface of the guide impeller 7 and the inner wall surface of the upper impeller shell body. The driving part 5 is connected with the guide impeller 7, and the driving part 5 is arranged in the closed accommodating cavity. The impeller 6 is arranged in the closed accommodating cavity, the impeller 6 is connected with an output shaft of the driving part 5, and the driving part 5 is used for driving the impeller 6 to rotate so as to guide airflow entering from the air inlet into the flow guide channel and guide the airflow out of the impeller shell 3 after the airflow is pressurized. Wherein, a motor bracket 8 can be arranged in the guide vane wheel 7, the motor bracket 8 is used for supporting the driving part 5, and the driving part 5 can be a motor.

As shown in fig. 3 and 4, the base housing 1 includes a lower base housing 11 and an upper base housing 13. A first end of the lower base housing 11 is provided with a support plate 12. The collecting cover 2 is connected with the inner wall surface of the second end of the lower base shell 11, and the air inlet is arranged on the lower base shell 11. The first end of the upper base housing 13 is detachably connected to the second end of the lower base housing 11, and the impeller housing 3 is disposed in the upper base housing 13. The device is convenient to assemble and easy and convenient to operate.

The housing structure in the above-mentioned embodiment can also be used for bladeless fan equipment technical field, promptly according to the utility model discloses a further aspect provides a fan unit, including housing structure, housing structure is the housing structure in the above-mentioned embodiment.

Specifically, the flow collecting cover is embedded in the inner side of the shell and is positioned on the upper portion of the air inlet and on the lower portion of the impeller shell. The two sides of the collecting cover are circular thin plates, the middle of the collecting cover is an arc thin plate, the uppermost end of the collecting cover is accommodated in the impeller shell, and as shown in figure 1, the thickness of the whole collecting cover is consistent and is 1mm-3mm, and the thickness is preferably 1.5 mm.

The air current gets into from the inlet port of base casing, because the effect of blockking up of mass flow cover, the air current of getting into can not flow to base upper portion shell, but the air current gets into to the impeller direction through the arc line to the mass flow cover has played the effect of drainage, and lets more air currents get into the impeller. After the impeller is driven to rotate by the motor, the generated high-pressure high-speed airflow can flow into the upper stage structure, the air pressure is reduced, the external air pressure is unchanged, the external air pressure is greater than the air pressure in the impeller, the external air flow can enter the impeller, and the air flow entering the air inlet is completely introduced into the impeller by the flow collecting cover, so that the leakage loss of the air flow is greatly reduced, the air inflow and the air inlet efficiency are improved, and the air quantity of an outlet of the bladeless fan base is further improved.

The air quantity of the collecting cover is simulated and compared to obtain the following relevant conclusion: the bladeless fan with the collecting cover has larger air volume.

Table one: simulation comparison of two bladeless fan modes at same rotating speed

Bladeless fan form	Rotational speed (rpm)	Simulated air volume (m)³/h)
			with flow-collecting cover	7000	180
non-flow collecting cover	7000	153

the fan structure with the structure solves the problems that the traditional fan is poor in safety performance, the existing bladeless fan is large in vibration noise and small in air supply quantity. The structure has double protection structures, so the safety performance is greatly improved, the rubber pad is arranged at the joint of the impeller shell and the base shell for damping vibration, the vibration and the noise of the base are reduced, and the fan multiplication amplification technology is adopted, so that the air output can be amplified by at least 5 times.

The housing structure includes a base housing and a power system within the base housing. The power system comprises a motor, namely a driving part, a motor bracket 8 for fixing the motor, an impeller shell and a guide impeller. The air flow enters the impeller from the base shell, the motor drives the impeller to rotate at a high speed, high-speed upward air flow is generated, and the air flow is further pressurized by the guide impeller, blown out from the air outlet and enters the next-stage air channel structure.

The base comprises a base shell and a power system, wherein the power system comprises a motor, a motor bracket for fixing the motor, an impeller shell and a guide impeller. The upper blade of the impeller is a movable blade and is driven by a motor to rotate, the upper blade of the guide impeller is a fixed blade, and the guide impeller and the impeller shell are fixedly connected.

The base shell is composed of an upper part and a lower part, the upper part shell is mainly used for fixing a power system, a fan head at the uppermost part is connected with a lower stage air channel, the lower part shell is placed on the ground to play a role in stabilizing the whole base, and the lower part shell is communicated with a plurality of air inlet holes for air flow. The air current gets into the impeller through a plurality of gas pockets of base lower part shell, and when the motor drove the impeller high-speed rotation, the impeller blade will inhaled air current pressure boost acceleration rate, will produce ascending high-speed high-pressure air current this moment, and high-speed high-pressure air current further pressurizes through the blade of leading the impeller, dashes out the wind channel that gets into next stage from the gas outlet. The air quantity is greatly increased by pressurizing the impeller and the guide impeller, and the multiplication and amplification effects are achieved.

the rubber pad has been increased at the junction to impeller shell and base upper portion casing, and the rubber pad has played the effect of damping, through the rubber pad, carries out certain decay with the vibration that impeller shell conduction was come to the whole vibration of base reduces, and the noise also has the reduction of certain degree.

The motor, the motor bracket and the impeller are accommodated in the impeller shell and the guide impeller to form a first heavy protection, and the upper shell and the lower shell of the base form a second heavy protection, so that a relatively safe protection structure is formed. Wherein, the rubber pad can also be replaced by other elastic materials.

In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. a shell structure, comprising:

The air conditioner comprises a base shell (1), wherein an air inlet is formed in a first end of the base shell (1);

An impeller housing (3), the impeller housing (3) being disposed within the base housing (1);

The vibration-damping rubber mat (4), the vibration-damping rubber mat (4) set up in between impeller shell (3) and base casing (1).

2. The housing structure of claim 1, further comprising:

The flow collecting cover (2) is connected with the base shell (1), at least part of the flow collecting cover (2) is located between the air inlet and the impeller shell (3), and the flow collecting cover (2) is used for guiding air flow entering from the air inlet to the impeller shell (3).

3. The casing structure according to claim 2, characterized in that the impeller housing (3) comprises:

The first end of the lower impeller shell (31) is connected with the base shell (1), the second end of the lower impeller shell (31) extends towards one side of the collecting cover (2), the inner diameter of the lower impeller shell (31) is gradually reduced from the first end of the lower impeller shell (31) to the second end of the lower impeller shell (31), and the second end of the collecting cover (2) extends into the second end of the lower impeller shell (31).

4. A casing structure according to claim 3, wherein the impeller housing (3) further comprises:

go up impeller shell (32), the first end of going up impeller shell (32) with base casing (1) is connected, the second end of going up impeller shell (32) is kept away from impeller shell (31) extend the setting down, the internal diameter of going up impeller shell (32) is followed the first end of going up impeller shell (32) extremely the second end of going up impeller shell (32) reduces gradually, go up impeller shell (32) with form airtight chamber of holding down between impeller shell (31), the second end of lower impeller shell (31) forms the airtight inlet end that holds the chamber, the second end of going up impeller shell (32) forms the airtight end of giving vent to anger that holds the chamber.

5. The casing structure according to claim 4, characterized in that the upper impeller casing (32) comprises:

The guide impeller (7) is connected with the upper impeller shell body, the guide impeller (7) is arranged in the closed accommodating cavity, and a flow guide channel is formed between the outer surface of the guide impeller (7) and the inner wall surface of the upper impeller shell body;

The driving part (5), the driving part (5) is connected with the guide impeller (7), and the driving part (5) is arranged in the closed accommodating cavity;

Impeller (6), impeller (6) set up in the airtight intracavity that holds, impeller (6) with the output shaft of drive division (5) is connected, drive division (5) are used for the drive impeller (6) rotate with follow air current water conservancy diversion that the inlet port department got into to it exports behind the pressure boost in the water conservancy diversion passageway impeller shell (3).

6. the housing structure according to claim 5, characterized in that the base housing (1) comprises:

The air inlet structure comprises a lower base shell (11), wherein a supporting plate (12) is arranged at the first end of the lower base shell (11), the flow collecting cover (2) is connected with the inner wall surface of the second end of the lower base shell (11), and the air inlet is formed in the lower base shell (11);

the impeller comprises an upper base shell (13), wherein the first end of the upper base shell (13) is detachably connected with the second end of the lower base shell (11), and the impeller shell (3) is arranged in the upper base shell (13).

7. The shell structure according to claim 2, characterized in that said collecting hood (2) comprises:

The first component section is of an annular structure, the first end of the first component section is connected with the inner circumferential surface of the base shell (1), and the second end of the first component section extends along the radial direction of the base shell (1);

The second component section is of a tubular structure, a first end of the second component section is connected with a second end of the first component section, and the second end of the second component section extends towards the impeller shell (3);

And the third component section is of a tubular structure, the first end of the third component section is connected with the second end of the second component section, and the second end of the third component section extends into the impeller shell (3).

8. The shell structure of claim 7, wherein the inner diameter of the second constituent segment tapers from the first end of the second constituent segment to the second end of the second constituent segment.

9. The housing structure of claim 8 wherein the inner wall surface of the second component section is a curved surface.

10. The casing structure according to claim 7, characterized in that the axis of the third set of segments is parallel to the axis of the base casing (1).

11. The housing structure according to claim 2, characterized in that the wall thickness of the collecting hood (2) is L, wherein L is 1mm or less and 3mm or less.

12. The housing structure as claimed in claim 1, characterized in that the air inlet opening is in a plurality, which are arranged at a spacing in the circumferential direction and/or in the axial direction of the base housing (1).

13. The housing structure according to claim 2,

The first end of the flow collecting cover (2) is connected with the base shell (1), and the second end of the flow collecting cover (2) extends into the impeller shell (3).

14. A fan assembly comprising a housing structure, wherein the housing structure is as claimed in any one of claims 1 to 13.