CN214533615U - Hand-held bladeless fan - Google Patents

Abstract

The utility model provides a hand-held type bladeless fan, this hand-held type bladeless fan includes: the middle part of the shell assembly is a cavity, the shell assembly is provided with an air inlet, an air flow channel and an air outlet, the air inlet and the air outlet are communicated with the air flow channel, the air flow channel extends along the vertical direction, and the air outlet is positioned on the side part of the air flow channel; a handle disposed on the housing assembly; and the grid assembly is arranged in the shell assembly and is positioned at the air outlet. Through the technical scheme that this application provided, the bladeless fan air-out effect among the prior art poor problem can be solved.

Description

Hand-held bladeless fan

Technical Field

The utility model relates to a fan technical field particularly, relates to a hand-held type bladeless fan.

Background

At present, in order to facilitate the use of users, a handheld bladeless fan is designed, so that the fan can be used for blowing air and cooling at any time. But current bladeless fan, the wind direction that blows off from the air outlet is not unified, can influence the effect of blowing like this to can't guarantee horizontal air-out, influence user's use and experience.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hand-held type bladeless fan to solve the bladeless fan air-out effect among the prior art poor problem.

The utility model provides a hand-held type bladeless fan, hand-held type bladeless fan includes: the middle part of the shell assembly is a cavity, the shell assembly is provided with an air inlet, an air flow channel and an air outlet, the air inlet and the air outlet are communicated with the air flow channel, the air flow channel extends along the vertical direction, and the air outlet is positioned on the side part of the air flow channel; a handle disposed on the housing assembly; and the grid assembly is arranged in the shell assembly and is positioned at the air outlet.

Further, the grill assembly includes: the first air guide plates are arranged in the shell assembly at intervals along the extending direction of the air flow channel, and each first air guide plate extends along the horizontal direction.

Further, the air inlet is located at one end of the air flow channel, and the interval between two adjacent first guide plates is gradually increased towards the direction far away from the air inlet.

Further, the interval between two adjacent first guide plates is greater than or equal to 7 mm.

Further, the grill assembly further includes: the second guide plates are arranged in one-to-one correspondence with the first guide plates, the second guide plates are located at one ends, close to the air flow channel, of the first guide plates, and one ends, far away from the first guide plates, of the second guide plates extend towards the air inlet.

Furthermore, the second guide plate is linear, an included angle a is formed between the first guide plate and the second guide plate, wherein a is more than or equal to 120 degrees and less than or equal to 150 degrees.

Further, the second baffle is arc-shaped.

Further, the first baffle has a length of less than or equal to 14mm, and/or the second baffle has a length of less than or equal to 14 mm.

Further, the housing assembly includes: last casing, well casing and the lower casing of connecting in order, wherein, well casing has two, goes up casing, two well casings and casing down and forms annular structure altogether, and well casing and casing intercommunication each other down, the air flow channel setting is in well casing and lower casing, and the gas outlet sets up on well casing, and the air inlet sets up on the lateral wall of casing down.

Furthermore, the lower shell is provided with two air inlet cavities which are mutually independent, the lower shell is provided with two air inlets, one air inlet is correspondingly communicated with one air inlet cavity, the handheld bladeless fan further comprises impellers, and each air inlet cavity is internally provided with one impeller.

Further, a blocking rib is arranged between the upper shell and the middle shell to separate the upper shell from the middle shell.

Furthermore, the bottom of the shell assembly is provided with a rotating shaft, the handle is arranged on the rotating shaft, and the handle can rotate relative to the shell assembly.

Use the technical scheme of the utility model, this hand-held type bladeless fan has casing subassembly, handle and grid assembly, wherein, be provided with the air inlet on the casing subassembly, air runner and gas outlet, air runner extends along vertical direction, the gas outlet is located air runner's lateral part, supply air through the gas outlet, set up grid assembly in gas outlet department, can utilize the air-out direction of grid assembly adjustment gas outlet, the wind that makes the gas outlet blows off towards same direction, can make the wind gather more like this, guarantee the air supply volume of predetermineeing the direction, and then can improve air supply quality and air supply effect.

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 is a schematic structural diagram of a handheld bladeless fan according to an embodiment of the present invention;

fig. 2 illustrates a cross-sectional view of a handheld bladeless fan provided in accordance with an embodiment of the present invention;

fig. 3 shows an internal schematic view of a middle housing of a handheld bladeless fan according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

11. an upper housing; 12. a middle shell; 13. a lower housing;

111. an air inlet; 112. an air flow passage; 113. an air outlet;

20. a handle;

31. a first baffle; 32. a second baffle;

40. an impeller; 50. blocking the ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present application provides a handheld bladeless fan, including: a housing assembly, a handle 20, and a grill assembly. The middle of the shell assembly is a cavity, the shell assembly is provided with an air inlet 111, an air flow channel 112 and an air outlet 113, the air inlet 111 and the air outlet 113 are communicated with the air flow channel 112, the air flow channel 112 extends in the vertical direction, and the air outlet 113 is located on the side of the air flow channel 112. Air enters the air flow passage 112 through the air inlet 111 and is discharged from the air outlet 113. A handle 20 is provided on the housing assembly for easy gripping by a user. The grill assembly is disposed within the housing assembly and is located at the air outlet 113. The air outlet direction of the air outlet 113 can be adjusted through the grille component, so that the air can be discharged towards the preset direction. Specifically, air inlet 111 can set up to grid or mesh structure, and preferably mesh structure, the hole is circular, and the diameter is selected 2mm to 4mm, and the mesh array is arranged on housing assembly to guarantee the air input, make the air current more even.

Through the utility model provides a hand-held type bladeless fan, be provided with air inlet 111 on this casing subassembly, air runner 112 and gas outlet 113, air runner 112 extends along vertical direction, gas outlet 113 is located air runner 112's lateral part, supply air through gas outlet 113, set up grid assembly in gas outlet 113 department, can utilize grid assembly to adjust the air-out direction of gas outlet 113, make the wind of gas outlet blow off towards same direction, can make the wind gathering like this, guarantee to predetermine the air supply volume of direction, and then can improve air supply quality and air supply effect.

Specifically, the grille assembly includes a plurality of first deflectors 31, the plurality of first deflectors 31 are arranged in the housing assembly at intervals along the extending direction of the air flow passage 112, and each first deflector 31 extends along the horizontal direction. Through the structure, when the wind moves from the air flow channel 112 to the air outlet 113, the first guide plate 31 is used for guiding the wind to move along the horizontal direction, so that the wind blown out from the air outlet 113 also moves along the horizontal direction, and the purpose of adjusting the wind outlet angle is achieved.

As shown in fig. 2, the air inlet 111 is located at one end of the air flow passage 112, and in the present embodiment, the air inlet 111 is located at the lower end of the air flow passage 112. The interval of two adjacent first guide plates 31 is gradually increased towards the direction of keeping away from air inlet 111, arranges like this and can make the wind evenly send out, and the air supply is more smooth and easy to, can avoid gaseous return chamber noise production. Through above-mentioned structure, can improve the condition of air-out skew among the current scheme, realize the level air supply, make user in use more comfortable, promote user and use experience.

As shown in fig. 2 and 3, the interval between two adjacent first baffles 31 is greater than or equal to 7mm, and H in fig. 3 represents the size of the space between two adjacent first baffles 31. If the distance between two adjacent first deflectors 31 is too small, the wind speed between the two first deflectors 31 is too high, and the loss caused by gas impact is increased.

Specifically, the grille assembly further includes a plurality of second deflectors 32, the second deflectors 32 are disposed in one-to-one correspondence with the first deflectors 31, the second deflectors 32 are located at one end of the first deflectors 31 close to the air flow passage 112, and one end of the second deflectors 32 far away from the first deflectors 31 extends toward the air inlet 111. By arranging the second guide plate 32, the airflow can be guided to enter the channel between two adjacent first guide plates 31 from the air flow channel 112, so that the impact loss of the airflow is reduced, and the airflow can flow relatively smoothly.

In this embodiment, the second baffle 32 is linear, and an included angle a is formed between the first baffle 31 and the second baffle 32, wherein a is greater than or equal to 120 degrees and less than or equal to 150 degrees. The included angle between the first guide plate 31 and the second guide plate 32 is set within the above range, which is beneficial to reducing the loss caused by the air flow impact. Of course, the joint of the first baffle 31 and the second baffle 32 may be designed as an arc transition to further reduce the loss.

In another embodiment of the present application, the second baffle 32 may also be arranged in an arc shape, and the air is guided to the first baffle 31 by the baffle arranged in an arc shape.

Wherein the length of the first baffle 31 is less than or equal to 14mm, and/or the length of the second baffle 32 is less than or equal to 14 mm. As shown in fig. 3, L1 is the length dimension of the first baffle 31 and L2 is the length dimension of the second baffle 32. In the present embodiment, the lengths of the first baffle 31 and the second baffle 32 are set to be 14mm or less. If length is too long, then can increase the wind loss, with first guide plate 31 and second guide plate 32 setting in above-mentioned within range, can enough guarantee the air-out direction, can guarantee wind speed and amount of wind again.

Specifically, this casing subassembly includes: the air conditioner comprises an upper shell 11, a middle shell 12 and a lower shell 13 which are connected in sequence, wherein the number of the middle shells 12 is two, the upper shell 11, the two middle shells 12 and the lower shell 13 jointly form an annular structure, the middle shells 12 and the lower shell 13 are communicated with each other, an air flow passage 112 is arranged in the middle shells 12 and the lower shells 13, an air outlet 113 is arranged on the middle shells 12, and an air inlet 111 is arranged on the side wall of the lower shell 13. The design structure is simple, and the production and the installation are convenient.

Wherein, two air inlet cavities that are independent each other are designed in lower casing 13, and lower casing 13 has two air inlets 111, and an air inlet 111 corresponds and an air inlet cavity intercommunication, and hand-held type bladeless fan still includes impeller 40, is provided with an impeller 40 in every air inlet cavity. Through above-mentioned structure, can induced draft simultaneously through two impellers 40, can increase amount of wind and wind speed like this, promote the user and use experience. Specifically, the impeller 40 is a centrifugal impeller.

In the present embodiment, a barrier rib 50 is provided between the upper case 11 and the middle case 12 to partition the upper case 11 and the middle case 12. This prevents gas from channeling between the two middle casings 12, reducing losses. Specifically, the upper shell 11 and the two middle shells 12 are separated by the blocking ribs 50, one middle shell 12 is communicated with one air inlet cavity, and one impeller 40 supplies air to one air flow channel 112, so that relatively independent air supply can be realized while the air volume is increased, and the air flows of the two middle shells 12 cannot influence each other.

In this embodiment, the bottom of the housing assembly is provided with a rotating shaft, the handle 20 is arranged on the rotating shaft, and the handle 20 can rotate relative to the housing assembly. By the arrangement, the handle 20 can be folded when the fan is not used, so that the occupied area of the device is reduced, and the device is convenient to carry and place for a user. Specifically, the handle 20 can be rotatably arranged on the lower shell 13, and the handle 20 can be rotated into a cavity formed in the middle of the shell assembly, so that the handle 20 can be completely placed in the cavity, and the whole volume of the device is greatly reduced.

Through the bladeless fan provided by the application, the grille component is additionally arranged at the air outlet 113, so that the air outlet direction can be adjusted, air can be sent out along the horizontal direction, and the pressure loss of air in the flowing process can be reduced; by arranging the two impellers 40, the air volume and the air pressure can be increased, and the air speed at the air outlet 113 is increased; the handle 20 is rotatably arranged on the shell assembly, so that the device is more compact in structure, small in size and attractive, and the use experience of a user is improved.

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.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

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.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

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 (12)

1. A hand-held bladeless fan, comprising:

the middle of the shell assembly is a cavity, the shell assembly is provided with an air inlet (111), an air flow channel (112) and an air outlet (113), the air inlet (111) and the air outlet (113) are communicated with the air flow channel (112), the air flow channel (112) extends in the vertical direction, and the air outlet (113) is positioned at the side part of the air flow channel (112);

a handle (20) disposed on the housing assembly;

a grill assembly disposed within the housing assembly and located at the air outlet (113).

2. The hand-held bladeless fan of claim 1, wherein the grille assembly comprises:

a plurality of first guide plates (31), a plurality of first guide plates (31) are arranged in the shell assembly at intervals along the extension direction of the air flow channel (112), and each first guide plate (31) extends along the horizontal direction.

3. The hand-held bladeless fan according to claim 2, wherein the air inlet (111) is located at one end of the air flow channel (112), and the interval between two adjacent first flow deflectors (31) is gradually increased towards a direction away from the air inlet (111).

4. The hand-held bladeless fan according to claim 3, wherein the spacing of two adjacent first baffles (31) is greater than or equal to 7 mm.

5. The hand-held bladeless fan of claim 2, wherein the grille assembly further comprises:

the second guide plates (32) are arranged in one-to-one correspondence with the first guide plates (31), the second guide plates (32) are positioned at one ends, close to the air flow channel (112), of the first guide plates (31), and one ends, far away from the first guide plates (31), of the second guide plates (32) extend towards the air inlet (111).

6. The hand-held bladeless fan according to claim 5, wherein the second flow guiding plate (32) is linear, and an included angle a is formed between the first flow guiding plate (31) and the second flow guiding plate (32), wherein a is greater than or equal to 120 degrees and less than or equal to 150 degrees.

7. The hand-held bladeless fan according to claim 5, wherein the second baffle (32) is arc-shaped.

8. The hand-held bladeless fan of claim 5,

the length of the first baffle (31) is less than or equal to 14mm, and/or,

the length of the second baffle (32) is less than or equal to 14 mm.

9. The hand-held bladeless fan of claim 1, wherein the housing assembly comprises: the air-conditioning device comprises an upper shell (11), a middle shell (12) and a lower shell (13) which are connected in sequence, wherein the number of the middle shell (12) is two, the upper shell (11), the two middle shells (12) and the lower shell (13) jointly form an annular structure, the middle shell (12) and the lower shell (13) are communicated with each other, an air flow channel (112) is arranged in the middle shell (12) and the lower shell (13), an air outlet (113) is arranged on the middle shell (12), and an air inlet (111) is arranged on the side wall of the lower shell (13).

10. The hand-held bladeless fan according to claim 9, wherein said lower housing (13) has two air inlet chambers independent from each other, said lower housing (13) has two air inlets (111), one air inlet (111) is correspondingly communicated with one air inlet chamber, said hand-held bladeless fan further comprises impellers (40), and one impeller (40) is arranged in each air inlet chamber.

11. The hand-held bladeless fan according to claim 9, wherein a blocking rib (50) is provided between the upper housing (11) and the middle housing (12) to separate the upper housing (11) and the middle housing (12).

12. The hand-held bladeless fan according to claim 1, wherein a bottom of the housing assembly is provided with a rotation shaft, the handle (20) is provided on the rotation shaft, and the handle (20) is rotatable relative to the housing assembly.

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