CN214577819U

CN214577819U - Fan

Info

Publication number: CN214577819U
Application number: CN202120345273.5U
Authority: CN
Inventors: 文理; 周润华
Original assignee: Shenzhen Fengchuang Technology Co ltd
Current assignee: Shenzhen Fengchuang Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-02
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to the technical field of fans, and provides a fan, wherein an air outlet swing part is arranged in a shell and is rotationally connected with the shell, so that the wind direction can be freely adjusted in a swing area range in the use process; meanwhile, the air outlet swing part is provided with an air passing cavity, the wall surface of the air passing cavity is an arc surface, air generated by the fan assembly flows upwards from the lower direction of the air outlet swing part, passes through the air inlet of the air outlet swing part and then passes through the air passing cavity with the arc surface on the wall surface, and is finally discharged through the air outlet facing the swing area, and the arc surface of the air passing cavity enables the wind resistance to be reduced, so that the noise generated in the air outlet process is reduced, and the use experience of a user is improved; meanwhile, the whole structure of the fan is compact and not easy to damage.

Description

Fan

Technical Field

The utility model relates to a fan technical field, more specifically say, relate to a fan.

Background

The handheld electric fan has the advantages of small volume, light weight, cyclic charging and low use cost, is convenient for people to carry and use in outdoor environment, and is popular with more consumers. The existing handheld electric fan often has the problems that the air outlet direction cannot be adjusted, the noise is large in the using process, and the using experience of a user is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan aims at solving prior art, and it is big that handheld electric fan air-out direction can not adjust and noise, influences the technical problem that the user used experience.

In order to solve the technical problem, the utility model provides a fan, include:

the shell is provided with a swinging area which extends from the top to the side surface of the shell and is communicated with the inner cavity of the shell;

the air outlet swing part is positioned in the shell and is rotationally connected with the shell; the air outlet swing part is provided with an air passing cavity, the wall surface of the air passing cavity is an arc-shaped surface, the air outlet swing part is provided with an air outlet facing the swing area, the air outlet swing part is also provided with an air inlet which deviates from the swing area and faces the inner side wall of the shell, and the air outlet and the air inlet are both communicated with the air passing cavity; and

and the fan assembly is arranged in the shell and positioned below the air outlet ornament.

Further, the air-out goods of furniture for display rather than for use includes:

the inner cavity of the hollow sphere is the air passing cavity, the air inlet is formed in the inner cavity, and the hollow sphere is also provided with a containing hole facing the swing area; and

the cylinder is fixed in the air passing cavity, and one end of the cylinder extends into the accommodating hole;

and the air outlet is formed by the surrounding of the outer wall of the cylinder and the wall of the accommodating hole.

Furthermore, the cylinder is connected with the accommodating hole through a plurality of baffle plates arranged at intervals along the circumferential direction; the baffle plate divides the air outlet into a plurality of sub-air outlets.

Further, the inner chamber of casing is provided with the support, the air-out goods of furniture for display rather than for use set up in inside the support, the support corresponds the air intake and swing district punishment do not has and is used for dodging the air intake and the first position district and the second of letting of swing district let the position district, the air-out goods of furniture for display rather than for use in air intake department with the support rotates and is connected.

Furthermore, the edge of the air inlet is provided with an arc-shaped convex edge, the support is provided with an arc-shaped groove corresponding to the arc-shaped convex edge, and the arc-shaped convex edge and the arc-shaped groove are suitable for limiting the movement of the air outlet swing part along the direction of the air inlet.

Further, the support with hollow spheroid adaptation, just the arc inner wall centre gripping of support the arc outer wall of hollow spheroid, hollow spheroid can for the support is followed the second is stepped down the district and is swung.

Furthermore, the lower part of the shell is a handheld part, the upper part of the shell is an air outlet part, and the air outlet part is provided with the swinging area; the support is located in the air outlet portion, and the fan assembly is located in the handheld portion.

Further, the housing includes a front housing and a rear housing that interfaces with the front housing via a snap.

Furthermore, the handheld part is internally provided with a PCB, a sensor and a negative ion generator.

Further, the fan assembly is connected with a power supply, the power supply is electrically connected with a button, and an opening enabling the button to be exposed is formed in the shell.

The utility model provides a fan's beneficial effect lies in: compared with the prior art, the fan of the utility model has the advantages that the air outlet swing part is arranged in the shell and is rotationally connected with the shell, so that the wind direction can be freely adjusted in the range of the swing area in the use process; meanwhile, the air outlet swing part is provided with an air passing cavity, the wall surface of the air passing cavity is an arc surface, air generated by the fan assembly flows upwards from the lower direction of the air outlet swing part, passes through the air inlet of the air outlet swing part and then passes through the air passing cavity with the arc surface on the wall surface, and is finally discharged through the air outlet facing the swing area, and the arc surface of the air passing cavity enables the wind resistance to be reduced, so that the noise generated in the air outlet process is reduced, and the use experience of a user is improved; meanwhile, the whole structure of the fan is compact and not easy to damage.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in which:

fig. 1 is a schematic view of an overall structure of a fan according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the embodiment of FIG. 1 in a split configuration;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a schematic view of an air path inside the fan;

FIG. 5 is a cross-sectional view of the fan;

fig. 6 is a schematic view of a stent structure.

Description of reference numerals:

1. a housing; 11. a front housing; 12. a rear housing; 13. an opening; 14. a support; 141. an arc-shaped groove; 142. a first escape area; 143. a second escape area; 144. an arc-shaped inner wall; 15. a hand-held portion; 151. a through hole; 16. an air outlet part; 161. a wobble area; 2. air-out ornaments; 21. a hollow sphere; 211. an air inlet; 2111. An arc-shaped rib; 212. a housing hole; 213. an arcuate outer wall; 22. a cylinder; 23. an air outlet; 231. A baffle plate; 232. a sub-air outlet; 3. a fan assembly; 31. a blade; 32. a motor; 4. a power source; 5. A button; 6. and a negative ion generator.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The following embodiments with reference to the drawings are illustrative and intended to explain the present invention, and should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly specified or limited, terms such as "connected" and "communicating" are to be understood in a broad sense, and may be, for example, mechanically or electrically connected; the connection may be direct, indirect or internal, or may be a connection between two elements or an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings:

the utility model discloses a fan is hand-held type fan, also can place the use on the desktop, and similar fan structure also can be applied to on the fan of other types, with the utility model discloses the fan that has same or similar structure is all within the protection scope.

As shown in fig. 1 and 2, in the present embodiment, the fan includes a housing 1, an air outlet swing part 2, and a fan assembly 3, wherein the housing 1 is provided with a swing area 161 extending from the top to the side thereof and communicating with the inner cavity thereof; the air outlet swing part 2 is positioned in the shell 1 and is rotationally connected with the shell 1; the air outlet swing part 2 is provided with an air passing cavity, the wall surface of the air passing cavity is an arc-shaped surface, the air outlet swing part 2 is provided with an air outlet 23 facing the swing area 161, the air outlet swing part is also provided with an air inlet 211 deviating from the swing area 161 and facing the inner side wall of the shell 1, and the air outlet 23 and the air inlet 211 are both communicated with the air passing cavity; the fan assembly 3 is arranged in the shell 1 and is positioned below the air outlet swing part 2.

Specifically, in the present embodiment, the air outlet swing part 2 is embedded in the casing 1 and is rotatably connected with the casing 1; air-out goods of furniture for display rather than for use 2 can be at swing district 161 within range internal rotation for casing 1, and consequently, air-out goods of furniture for display rather than for use 2 will also be along with the air outlet 23 that takes place the angle change towards swing district 161, consequently, realizes the free adjustment of wind direction, has improved the utilization ratio of amount of wind. Specifically, the air-out goods of furniture for display rather than for use 2 has the chamber of crossing wind, and the chamber wall in the chamber of crossing wind is the arcwall face. The fan wind is mainly generated by the fan assembly 3, optionally, the fan assembly 3 mainly includes a blade 31, and a motor 32 connected to the blade 31 for driving the blade 31 to rotate, and the fan assembly 3 is preferably disposed right below the wind outlet swing portion 2. The air generated by the fan assembly 3 flows upwards from the lower part of the air outlet swing part 2, passes through the air inlet 211 of the air outlet swing part 2, then passes through the air passing cavity with the arc-shaped wall surface, and is finally discharged through the air outlet 23 facing the swing area 161, and the arc-shaped surface of the air passing cavity enables the wind resistance to be small, so that the noise generated in the air outlet process is reduced, and the use experience of a user is improved; meanwhile, the whole structure of the fan is compact and not easy to damage.

Preferably, the air inlets 211 include two air inlets 211 symmetrically disposed with respect to the fan assembly 3, and the air generated by the fan assembly 3 located right below the air outlet swing portion 2 uniformly enters from the two air inlets 211 of the air outlet swing portion 2, and is finally discharged through the air outlet 23 facing the swing area 161 after passing through the air passing cavity of the arc-shaped surface inside the air outlet swing portion 2. The arc-shaped air passing cavity and the uniform air inlet 211 enable air to flow slowly in the whole air path at a constant speed, and the air outlet comfort level is improved.

As shown in fig. 2 and 3, in the present embodiment, the air outlet swing part 2 includes a hollow sphere 21 and a cylinder 22, an inner cavity of the hollow sphere 21 is an air passing cavity, and is provided with an air inlet 211 and an accommodating hole 212 facing the swing area 161; the cylinder 22 is fixed in the air passing cavity, and one end of the cylinder extends into the accommodating hole 212; wherein, an air outlet 23 is enclosed between the outer wall of the cylinder 22 and the wall of the containing hole 212.

Specifically, the hollow sphere 21 of the air outlet swing part 2 is provided with an air inlet 211 and a containing hole 212 facing the swing area 161, a cylinder 22 is disposed in the air passing cavity of the hollow sphere 21, the cylinder 22 extends into the air passing cavity of the hollow sphere 21 through the containing hole 212, one end of the cylinder is connected with the inner cavity wall of the hollow sphere 21, the other end of the cylinder is connected with the containing hole 212, and an air outlet 23 is defined between the outer wall of the cylinder 22 and the hole wall of the containing hole 212.

Specifically, as shown in fig. 4, an arc-shaped air duct structure is formed between the outer wall of the cylinder 22 and the spherical wall of the hollow sphere 21, and the air generated by the fan assembly 3 enters the air inlet 211, passes through the arc-shaped air duct, and is discharged from the air outlet 23 facing the swing area 161, specifically, from the sub-air outlet 232. Through setting up cylinder 22 for wind flows in curved wind channel structure, has further reduced the windage, thereby has reduced the noise that the in-process of blowing produced.

As shown in fig. 1 and 3, in the present embodiment, the cylindrical body 22 is connected to the accommodating hole 212 through a plurality of partition plates 231 arranged at intervals along the circumferential direction; the baffle 231 divides the outlet 23 into a plurality of sub-outlets 232.

Specifically, in this embodiment, the accommodating hole 212 is preferably a circular hole, an annular air outlet 23 is defined between the outer wall of the cylinder 22 and the hole wall of the accommodating hole 212, the air direction is concentrated at the annular air outlet 23, turbulence is reduced, the air outlet is more concentrated, and the cooling effect is better. The cylinder 22 is fixed through a plurality of baffle plates 231, and the air outlet 23 is uniformly divided into a plurality of sub air outlets 232. As shown in fig. 1 or fig. 2, in the present embodiment, the air outlet 23 is divided into 6 sub-air outlets 232 with the same size. Set up and separate a plurality of sub-air outlets 232 of baffle 231, can strengthen the structural strength of air outlet 23 department on the one hand, on the other hand, a plurality of sub-air outlets 232 can be cut apart the wind post to alleviate the dynamics of the wind that blows off, thereby promote the comfort level of human impression wind-force.

As shown in fig. 2, 3 and 6, in this embodiment, a bracket 14 is disposed in an inner cavity of the housing 1, the air outlet swing portion 2 is disposed inside the bracket 14, a first avoidance area 142 and a second avoidance area 143 for avoiding the air inlet 211 and the swing area 161 are respectively disposed at positions of the bracket 14 corresponding to the air inlet 211 and the swing area 161, and the air outlet swing portion 2 is rotatably connected to the bracket 14 at the air inlet 211.

Specifically, in this embodiment, the support 14 is disposed in the inner cavity of the casing 1, the air outlet swing part 2 is disposed inside the support 14, and in order to adjust the air outlet direction by matching with the air outlet swing part 2, as shown in fig. 6, a first avoidance area 142 for avoiding the swing area 161 is disposed on the support 14, so that the normal swing air outlet of the air outlet swing part 2 in the range of the swing area 161 is not affected; in addition, a second yielding area 143 for yielding the air inlet 211 is further formed on the bracket 14, so that normal air inlet of the air inlet 211 is not affected.

Specifically, as shown in fig. 3, the air outlet swing portion 2 is rotatably connected to the bracket 14 at the air inlet 211. In-process at the swing adjustment of air-out goods of furniture for display rather than for use 2 promptly, the position of air intake 211 can not change, and only the direction of air outlet 23 can change to realized the adaptability adjustment of wind direction, be favorable to satisfying user's diversified demand.

As shown in fig. 2 and fig. 3, in this embodiment, an arc-shaped rib 2111 is disposed at an edge of the air inlet 211, an arc-shaped groove 141 corresponding to the arc-shaped rib 2111 is disposed on the bracket 14, and the arc-shaped rib 2111 is matched with the arc-shaped groove 141 to limit the movement of the air outlet swing portion 2 along the direction of the air inlet 211.

Specifically, in this embodiment, air intake 211 is circular or oval, and air intake 211 edge sets up arc bead 2111, and the correspondence is equipped with arc recess 141 on support 14, and arc bead 2111 joint is in arc recess 141, stirs air-out goods of furniture for display rather than for use 2 through the external force, and arc bead 2111 can remove in arc recess 141, can restrict the removal of air-out goods of furniture for display rather than for use 2 along the air intake 211 direction, and the control of restricting air-out goods of furniture for display rather than for use 2 rocks promptly for fan overall structure is compact and firm.

In the present embodiment, as shown in fig. 2, 3 and 5, the bracket 14 is adapted to the hollow sphere 21, and the arc-shaped inner wall 144 of the bracket 14 holds the arc-shaped outer wall 213 of the hollow sphere 21, and the hollow sphere 21 can swing along the second relief area 143 relative to the bracket 14.

Specifically, as shown in fig. 5, the shape of the bracket 14 is adapted to the hollow sphere 21 of the air outlet swing element 2, that is, the bracket 14 is also spherical, the arc inner wall 144 of the spherical bracket 14 clamps the arc outer wall 213 of the hollow sphere 21, and the two are connected by a mutual clamping force, and the hollow sphere 21 is suspended at the bottom of the bracket 14 and is fixed by the clamping force of the arc inner wall 144 of the bracket 14. And the hollow sphere 21 can swing along the second yielding area 143 relative to the support 14, and because the shape of the second yielding area 143 is adapted to the shape of the swing area 161, the swing area 161 extends from the top of the casing 1 to the side of the casing 1, therefore, the swing direction of the hollow sphere 21, that is, the swing direction of the air outlet 23, swings along the top of the casing 1 to the side of the casing 1, and further, the adjustment of the air outlet direction is realized. Other connection structures are not needed, the air outlet swing part 2 is limited to move left and right through the matching of the arc-shaped convex ribs 2111 and the arc-shaped grooves 141, the movable connection of the air outlet swing part 2 and the support 14 can be achieved through the arc-shaped outer wall 213 of the arc-shaped inner wall 144 of the spherical support 14 clamping the hollow sphere 21, the connection mode is simple and reliable, and the whole structure of the fan is compact and is not prone to loosening.

As shown in fig. 1 and fig. 2, in the present embodiment, the lower portion of the housing 1 is a handheld portion 15, the upper portion of the housing 1 is an air outlet portion 16, and the air outlet portion 16 is provided with a swing area 161; the bracket 14 is positioned in the air outlet part 16, and the fan assembly 3 is positioned in the handheld part 15.

Specifically, in the present embodiment, the air outlet portion 16 is located above the handheld portion 15, and preferably, the shape of the air outlet portion 16 is matched with both the bracket 14 and the air outlet swing element 2, i.e., both are spherical, so that the fan is small and compact in overall structure and is not easy to damage; the handheld portion 15 is a cylinder, so that the palm of a person can be conveniently held, a plurality of through holes 151 are formed in the cylindrical wall surface of the handheld portion 15 and used for air flow, and meanwhile, the fan can be conveniently used for heat dissipation.

As shown in fig. 2, in the present embodiment, the case 1 includes a front case 11 and a rear case 12 that is in snap-fit engagement with the front case 11.

Specifically, the front housing 11 and the rear housing 12 are respectively provided with a clamping portion and a buckling portion, and the front housing 11 and the rear housing 12 can be conveniently and quickly connected by the cooperation of the clamping portion and the buckling portion. Preferably, in order to further reinforce the connection of the front case 11 and the rear case 12, screws may be further used for reinforcing the connection. Of course, on the premise of ensuring simple and reliable connection structure, other connection modes can be selected according to actual requirements.

As shown in fig. 2, in the present embodiment, a PCB (not shown), a sensor (not shown) and the negative ion generator 6 are further disposed in the handheld portion 15.

As shown in fig. 2, in the present embodiment, the fan assembly 3 is connected to a power source 4, the power source 4 is electrically connected to the button 5, and the housing 1 is provided with an opening 13 for exposing the button 5.

Specifically, the switch button 5 of the fan is exposed to the outside of the case 1, preferably to the surface of the front case 11, and the fan can be conveniently and rapidly turned on or off by the button 5 in use. Preferably, the power source 4 in the present embodiment selects a rechargeable battery for convenience of use and charging. The battery can be charged through a charging interface provided on the housing 1.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A fan, comprising:

2. The fan of claim 1, wherein the air outlet decoration comprises:

3. The fan as claimed in claim 2, wherein the cylindrical body is connected to the receiving hole by a plurality of partition plates arranged at intervals in a circumferential direction; the baffle plate divides the air outlet into a plurality of sub-air outlets.

4. The fan as claimed in claim 3, wherein a bracket is disposed in the inner cavity of the housing, the air outlet swing member is disposed inside the bracket, the bracket has a first yielding region and a second yielding region corresponding to the air inlet and the swing region, respectively, for yielding the air inlet and the swing region, and the air outlet swing member is rotatably connected to the bracket at the air inlet.

5. The fan of claim 4, wherein the air inlet edge defines an arcuate rib, and the bracket defines an arcuate groove corresponding to the arcuate rib, the arcuate rib and the arcuate groove being adapted to limit movement of the outlet swing in a direction along the air inlet.

6. The fan as claimed in claim 5, wherein the bracket is adapted to the hollow sphere, and the arc inner wall of the bracket clamps the arc outer wall of the hollow sphere, and the hollow sphere can swing along the second abdicating area relative to the bracket.

7. The fan as claimed in claim 6, wherein the lower portion of the housing is a hand-held portion, and the upper portion of the housing is an air outlet portion, the air outlet portion being provided with the swing region; the support is located in the air outlet portion, and the fan assembly is located in the handheld portion.

8. The fan of claim 7 wherein the housing comprises a front housing and a rear housing that snap-mates with the front housing.

9. The fan of claim 7, wherein the hand-held portion further comprises a PCB, a sensor, and a negative ion generator.

10. The fan of claim 1, wherein the fan assembly is connected to a power source, the power source is electrically connected to a button, and the housing defines an opening for exposing the button.