CN216742179U

CN216742179U - Air outlet assembly and neck hanging fan

Info

Publication number: CN216742179U
Application number: CN202123448413.0U
Authority: CN
Inventors: 郑观正; 黄健; 蔡骋睿; 李享福
Original assignee: Shenzhen Jisu Technology Co Ltd
Current assignee: Shenzhen Jisu Technology Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-14
Anticipated expiration: 2031-12-31

Abstract

The application relates to an air outlet assembly and a neck hanging fan, which comprise a shell, wherein the shell comprises an accommodating cavity; the vortex tongue is arranged in the accommodating cavity; a fan assembly disposed within the receiving cavity, the volute tongue surrounding the fan assembly; the shell is also provided with an air outlet which is communicated with the accommodating cavity; wherein the fan assembly is located on a first side of the volute tongue; the air outlet is located on the opposite second side of the vortex tongue. Compared with the prior art, the airflow that the volute tongue blew off fan assembly leads vent and air outlet respectively, on the one hand, not only increases the area that blew off the airflow, and the space of intracavity is held in reasonable utilization moreover, and on the other hand, the airflow difference that vent and air outlet flow out is not big, is favorable to optimizing the user and uses the experience of hanging the neck fan.

Description

Air outlet assembly and neck hanging fan

Technical Field

The application relates to the technical field of fans, in particular to an air outlet assembly and a neck hanging fan.

Background

With the development of science and technology, people pursue more and more convenient life, and various portable fans such as a handheld fan, a neck hanging fan and the like appear in the market in order to meet the requirement that the fan needs to be used outdoors or in other scenes; wherein, hang the neck fan and solved the activity limitation problem that handheld fan brought, hang the both hands that the neck fan can liberate the user, do not need handheld effect that can realize blowing anytime and anywhere, consequently, hang the neck fan and receive liking of user deeply.

The existing neck hanging fan comprises a shell and a fan arranged in the shell, wherein a wind shielding part is further arranged on one side of the fan on the shell, a flow channel is formed between the wind shielding part and the inner wall of the shell, and wind blown out from the fan is blown out from an air outlet through the flow channel. However, because the air duct is located at one side of the fan and the wind shielding member is not particularly disposed, the air blown out from the air outlet far away from the fan is small, so that the air blown out from each air outlet is different in size, and the air volume blown out from the fan is small.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a rational in infrastructure air-out subassembly and hang neck fan, it has increase air-out area, the even advantage of air-out size of each air outlet.

The above object of the present application is achieved by the following technical solutions:

the air outlet assembly comprises a shell, wherein the shell comprises an accommodating cavity;

the vortex tongue is arranged in the accommodating cavity;

a fan assembly disposed within the receiving cavity, the volute tongue surrounding the fan assembly;

the shell is also provided with an air outlet which is communicated with the accommodating cavity; wherein the content of the first and second substances,

the fan assembly is positioned on a first side of the volute tongue;

the air outlet is located on the opposite second side of the vortex tongue.

The application is further configured to: the volute tongue is an arc-shaped plate surrounding the fan assembly.

The application is further configured to: the distance between the peripheral wall of the fan assembly and the arc-shaped plate is 1-6 mm.

The application is further configured to: the shell further comprises a top wall which is enclosed into the accommodating cavity, the air outlet is formed in the top wall, the volute tongue comprises a first end which is far away from the top wall, the first end is bent towards the direction close to the top wall and extends, and a gap is formed between the end part of the first end and the top wall.

The application is further configured to: the volute tongue further comprises a second end opposite the first end, wherein;

the second end is fixedly connected with the top wall; alternatively, a gap is left between the second end and the top wall.

The application is further configured to: the casing still includes to enclose become the diapire that holds the chamber, it still is equipped with aviation baffle and baffle to hold the intracavity, the both ends of aviation baffle and baffle all are connected with roof and diapire, aviation baffle and baffle are located fan assembly's both sides respectively.

The application is further configured to: the first end comprises a bent part connected with the arc-shaped plate and a free end positioned at the tail end, and the radius range of the bent part is 0.5-5 mm;

the distance between the center of the circle of the bending part and the top wall is 6-25 mm;

the free end extends toward the top wall.

The application is further configured to: the accommodating cavity comprises a first air channel and a second air channel, the air deflector and the top wall form the second air channel in an enclosing mode, the volute tongue is located in the second air channel, and the partition plate and the top wall form the first air channel in an enclosing mode.

The application is further configured to: the air guide plate (7) and the partition plate (8) are arranged in a splayed shape.

The other purpose of the application is realized by the following technical scheme:

the utility model provides a hang neck fan, hang neck fan includes at least one and complains on the air-out subassembly.

To sum up, the beneficial technical effect of this application does:

the utility model provides an air-out subassembly is equipped with the vortex tongue at the intracavity that holds of casing, and the vortex tongue centers on fan unit, and the casing is seted up and is held vent and air outlet that the chamber communicates, and vent and fan unit are located the first side of vortex tongue, the air outlet is located the relative second side of vortex tongue, vortex tongue play the effect that the air current flow direction that control fan unit blown out to air current that blows out fan unit leads vent and air outlet respectively, avoids the problem that the distinguished and admirable only blows to vent or air outlet. In addition, according to the principle of the coanda effect, the airflow can flow along the vortex tongue, when the airflow reaches the tail end of the vortex tongue and the speed of the airflow reaches a sufficient value, the airflow can generate centrifugal force, wherein one part of the airflow is separated from the constraint of the coanda effect of the vortex tongue, the other part of the airflow is continuously flowed along the side wall of the vortex tongue under the influence of the coanda effect, and the airflow is far away from the vortex tongue and flows to the air outlet so as to flow out of the shell from the air outlet; on the one hand, the air current flows from the vent and the air outlet of volute tongue both sides, and not only the increase is blown off the area of air current, and the space of intracavity is held in reasonable utilization moreover, and on the other hand, the air current that volute tongue control fan subassembly blew off flows to vent and air outlet respectively for the air current size that vent and air outlet flow out is even, is favorable to optimizing the user's application and hangs the neck fan and experience.

Drawings

The present application will now be described with reference to the accompanying drawings. The drawings in the present application are for the purpose of illustrating embodiments only. Other embodiments can be readily made by those skilled in the art from the following description of the steps described without departing from the principles of the present application.

FIG. 1 is a schematic structural view of a neck hanging fan of the present application;

fig. 2 is a schematic structural view of the air outlet assembly of the present application;

fig. 3 is an enlarged view of a in fig. 2.

In the figure, 1, a neck hanging body; 2. a fan main body; 21. a housing; 211. a top wall; 212. a bottom wall; 22. a fan assembly; 221. a peripheral wall; 3. a vent; 4. an air outlet; 5. an accommodating chamber; 51. a first air duct; 52. a second air duct; 6. a volute tongue; 61. a curved portion; 62. a free end; 7. an air deflector; 8. a partition plate; 9. and (4) blind holes.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some of the structures related to the present application are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first", "second", etc. in this application are used to distinguish different objects, and are not used to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1, for an air outlet assembly and a neck hanging fan of the present application, the neck hanging fan includes at least two fan main bodies 2 and a neck hanging main body 1 connected between the fan main bodies 2. Wherein, each fan main body 2 includes an air outlet assembly so as to blow air outwards. Two fan main parts 2 and hang neck main part 1 and form and hang the neck chamber, utilize and hang the neck chamber and wear the neck fan on the neck to the user uses and hangs the neck fan.

Referring to fig. 1 and 2, in one embodiment, the air outlet assembly includes a housing 21, a volute tongue 6 and a fan assembly 22. An accommodating cavity 5 is arranged in the shell 21, and the fan assembly 22 is installed in the accommodating cavity 5. The volute tongue 6 is also arranged in the receiving cavity 5, and the volute tongue 6 surrounds the fan assembly 22, wherein a gap exists between the volute tongue 6 and the fan assembly 22. In the present embodiment, the fan assembly 22 is a centrifugal fan that sucks in an air flow from an axial direction and throws the air flow out from a circumferential direction by a centrifugal force.

The housing 21 comprises a top wall 211 and a bottom wall 212 enclosing a housing chamber 5. When the neck hanging fan is worn normally, the top wall 211 is located above the bottom wall 212, the top wall 211 is located above the fan assembly 22, and the bottom wall 212 is located below the fan assembly 22. The top wall 211 is further provided with a vent 3 and an air outlet 4, the vent 3 and the air outlet 4 are both communicated with the accommodating cavity 5, wherein the vent 3 and the fan assembly 22 are located on a first side of the volute tongue 6, the air outlet 4 is located on a second side opposite to the volute tongue 6, namely, the air outlet 4 is located on one side of the volute tongue 6 far away from the fan assembly 22, and the volute tongue 6 is located between the air outlet 4 and the fan assembly 22. The volute tongue 6 plays a role in guiding airflow, and airflow blown out by the fan assembly 22 is respectively guided to the ventilation opening 3 and the air outlet 4 through the volute tongue 6, so that the ventilation opening 3 and the air outlet 4 both blow airflow, and the area of blown airflow is increased; the volute tongue 6 also plays a role in controlling the flow direction of the air flow, and the volute tongue 6 controls the air flow blown out by the fan assembly 22 to respectively flow to the ventilation opening 3 and the air outlet 4, so that the sizes of the air flows flowing out of the ventilation opening 3 and the air outlet 4 are uniform.

Further, referring to fig. 2 and 3, the volute tongue 6 is an arcuate plate, wherein the arcuate plate surrounds the fan assembly 22. The arc plate plays a role in guiding airflow blown out by the fan assembly 22, and the airflow guided by the arc plate flows along with the arc plate so as to flow to the ventilation opening 3 and the air outlet 4; in addition, according to the principle of the coanda effect, when the airflow reaches the tail end of the vortex tongue 6 and the speed of the airflow is high enough, the airflow generates centrifugal force, a part of the airflow is separated from the constraint of the coanda effect of the vortex tongue 6, the other part of the airflow continues to flow along the side wall of the vortex tongue under the influence of the coanda effect, and the airflow far away from the vortex tongue 6 flows to the air outlet 4. The arc plate also plays a role in controlling the flow direction of the air flow, and the air flow blown out by the fan assembly 22 is controlled by the arc plate to respectively flow to the ventilation opening 3 and the air outlet 4, so that the sizes of the air flows flowing out from the ventilation opening 3 and the air outlet 4 are uniform.

Specifically, the fan assembly 22 comprises a peripheral wall 221, and the distance from the peripheral wall 221 of the fan assembly 22 to the arc-shaped plate is 1-6mm, preferably 2.5-4 mm; wherein, fan unit 22 is for being cylindrical setting, and diameter (radian) cooperation fan unit 22's diameter setting of arc, the diameter of the preferred more than or equal to fan unit 22 of diameter of arc, the centre of a circle of arc are located one side of fan unit 22, lie in the first side of arc promptly.

More specifically, in one embodiment, the arcuate plates have a diameter in the range of 40 to 60mm, preferably 45 to 55 mm.

In some embodiments, the volute tongue 6 comprises a first end and a second end opposite to the first end, wherein the first end is far away from the top wall 211 of the housing 21 and the first end bends and extends in a direction close to the top wall 211, and the first end bends and extends in a direction away from the fan assembly 22; more specifically, the first end is bent and extended in a semicircular shape in a direction away from the fan assembly 22, that is, the first end includes a bent portion 61 connecting the arc plates and a free end 62 located at the end, the bent portion 61 is bent in a semicircular shape, the free end 62 is located at the end of the bent portion 61, and the free end 62 extends in a direction toward the top wall 211; of course, the first end may be bent and extended in other suitable shapes away from the fan assembly 22; the radius of the curved portion 61 is in the range of 0.5 to 5mm, preferably 1 to 4 mm; the distance between the center of the curved part 61 and the top wall 211 is 6-25mm, preferably 15-22 mm; the free end 62 extends for a distance of 0.1-1.5mm, the end of the free end 62 being spaced from the top wall 211 of the housing 21; the airflow blown out by the fan assembly 22 is guided by the volute tongue 6 to flow from the first side and the second side of the volute tongue 6 to the ventilation opening 3 and the air outlet 4 respectively; wherein, the airflow guided to the second side through the first end of the volute tongue 6 flows along the volute tongue 6 to the semicircular bending extension area deviating from the fan assembly 22 along the first end of the volute tongue and flows to the air outlet 4 according to the principle of the coanda effect. The second end of the volute tongue 6 is fixedly connected with the top wall 211 of the housing 21, and the second end of the volute tongue 6 is far away from the fan assembly relative to the first end, i.e. the second end is gradually close to the fan assembly 22 from the first end to the second end.

In some embodiments, the second end of the vortex tongue 6 may not be fixedly connected to the top wall 211, but may be spaced apart from the top wall 211 of the housing 21.

It will be appreciated that in some embodiments, the volute tongue 6 may be a segment of an arc, or may be formed by splicing multiple segments of an arc. Wherein, a gap can exist between two adjacent arc-shaped plates, and the two adjacent arc-shaped plates can also be connected.

In the present embodiment, the vent 3 and the outlet 4 are both provided on the top wall 211 of the housing 21. The vortex tongue 6 is located between the ventilation opening 3 and the air outlet 4, namely, the second end of the vortex tongue 6 is located between the ventilation opening 3 and the air outlet 4. The volute tongue 6 divides the accommodating cavity 5 into a first air duct 51 and a second air duct 52, wherein the first air duct 51 is communicated with the ventilation opening 3, and the second air duct 52 is communicated with the air outlet 4.

A certain distance is arranged between the ventilation opening 3 and the air outlet 4, and a blind hole 9 is arranged between the ventilation opening 3 and the air outlet 4. The vent 3 consists of two vent holes, and a gap is formed between the two vent holes; air outlet 4 comprises three ventilation hole, and three ventilation hole interval sets up, has the space between two adjacent ventilation holes.

The accommodating cavity 5 is further provided with an air deflector 7 and a partition plate 8, two ends of the air deflector 7 and the partition plate 8 are respectively connected with the top wall 211 and the bottom wall 212 of the shell 21, and the air deflector 7 and the partition plate 8 are located on two sides of the fan assembly 22. The connecting position of the air deflector 7 and the top wall 211 of the shell 21 is located on the opposite outer side of the air outlet 4 far away from the vent 3, and the connecting position of the partition plate 8 and the top wall 211 of the shell 21 is located on the opposite outer side of the air outlet 4 far away from the vent 3; when the neck hanging fan is worn normally, the connecting position of the air deflector 7 and the partition plate 8 with the bottom wall 212 of the shell 21 is positioned below the fan assembly 22, and a gap exists between the connecting position of the air deflector 7 and the bottom wall 212 of the shell 21 and the connecting position of the partition plate 8 with the bottom wall 212 of the shell 21. The air deflector 7 and the partition plate 8 are arranged in a splayed shape, so that the air deflector 7 and the partition plate 8 guide air flow. The air deflector 7 and the top wall 211 enclose a second air duct 52, and the volute tongue 6 is positioned in the second air duct 52; more specifically, the air deflector 7, the top wall 211 and the vortex tongue 6 enclose the second air duct 52. The partition plate 8 and the top wall 211 enclose a first air channel 51, and the fan assembly 22 is positioned in the first air channel 51; more specifically, the fan assembly 22, the partition plate 8 and the top wall 211 enclose a first air duct 51 or volute tongue 6, and the bottom wall 212, the partition plate 8 and the top wall 211 enclose a first air duct 51.

The application has the implementation principle that: the accommodating cavity 5 is internally provided with a volute tongue 6, the volute tongue 6 divides the accommodating cavity 5 into a first air channel 51 and a second air channel 52, the first air channel 51 and the second air channel 52 are respectively communicated with the vent 3 and the air outlet 4, the fan assembly 22 is positioned in the first air channel 51, and airflow blown out by the fan assembly 22 flows to the first air channel 51 and the second air channel 52 through the volute tongue 6 so as to flow out of the shell 21 from the vent 3 and the air outlet 4. On the one hand, volute tongue 6 plays the effect to the air current direction, the air current that fan assembly 22 blew out leads vent 3 and air outlet 4 respectively through volute tongue 6, make vent 3 and air outlet 4 all blow out the air current, the area that the air current flowed out in following casing 21 has been enlarged, the air-out area has been enlarged promptly, the structure sets up rationally, on the other hand, volute tongue 6 still plays the effect of control air current flow direction, the air current that volute tongue 6 control fan assembly 22 blew out flows to vent 3 and air outlet 4 respectively, make the air current size that vent 3 and air outlet 4 flow out even, the air current intensity that is favorable to vent 3 and air outlet 4 to flow out equals, the wind intensity that vent 3 and air outlet 4 blew out promptly equals, be favorable to optimizing user's use and experience.

The above description is only for the purpose of illustrating the preferred embodiments of the present application and is not intended to limit the scope of the present application, which is defined by the appended claims and their equivalents, and all changes that can be made therein without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an air-out subassembly which characterized in that: comprises a shell (21), wherein the shell (21) comprises a containing cavity (5);

a volute tongue (6), the volute tongue (6) being arranged inside the accommodation chamber (5);

a fan assembly (22), said fan assembly (22) being disposed within said housing cavity (5), said volute tongue (6) surrounding said fan assembly (22);

the shell (21) is also provided with an air outlet (4), and the air outlet (4) is communicated with the accommodating cavity (5); wherein the content of the first and second substances,

the fan assembly (22) is located on a first side of the volute tongue (6);

the air outlet (4) is positioned on the opposite second side of the vortex tongue (6).

2. The air outlet assembly of claim 1, wherein: the volute tongue (6) is an arc-shaped plate surrounding the fan assembly (22).

3. An air outlet assembly according to claim 2, characterized in that: the distance between the peripheral wall (221) of the fan assembly (22) and the arc-shaped plate is 1-6 mm.

4. An air outlet assembly according to any one of claims 1 to 3, characterized in that: the shell (21) further comprises a top wall (211) enclosing the accommodating cavity (5), the air outlet (4) is formed in the top wall (211), the volute tongue (6) comprises a first end far away from the top wall (211), the first end bends towards the direction close to the top wall (211) and extends, and a gap exists between the end of the first end and the top wall (211).

5. The air outlet assembly of claim 4, wherein:

the volute tongue (6) further comprises a second end opposite to the first end, wherein;

the second end is fixedly connected with the top wall (211); alternatively, a gap is left between the second end and the top wall (211).

6. The air outlet assembly of claim 4, wherein: the shell (21) further comprises a bottom wall (212) enclosing the accommodating cavity (5), an air guide plate (7) and a partition plate (8) are further arranged in the accommodating cavity (5), two ends of the air guide plate (7) and the partition plate (8) are connected with the top wall (211) and the bottom wall (212), and the air guide plate (7) and the partition plate (8) are respectively located on two sides of the fan assembly (22).

7. The air outlet assembly of claim 4, wherein:

the first end comprises a bent part (61) connected with the arc-shaped plate and a free end (62) positioned at the tail end, and the radius of the bent part (61) ranges from 0.5 mm to 5 mm;

the distance between the circle center of the bent part (61) and the top wall (211) is 6-25 mm;

the free end (62) extends towards the top wall (211).

8. The air outlet assembly of claim 6, wherein: the accommodating cavity (5) comprises a first air duct (51) and a second air duct (52), the air deflector (7) and the top wall (211) enclose the second air duct (52), the volute tongue (6) is located in the second air duct (52), and the partition plate (8) and the top wall (211) enclose the first air duct (51).

9. The air outlet assembly of claim 6, wherein the air deflector (7) and the partition (8) are arranged in a splayed shape.

10. A neck hanging fan, characterized in that the neck hanging fan comprises at least one air outlet assembly as claimed in any one of claims 1 to 9.