Flow dividing device and bladeless fan
阅读说明:本技术 一种分流装置及无叶风扇 (Flow dividing device and bladeless fan ) 是由 俞浩 于 2019-11-08 设计创作,主要内容包括:本发明公开了一种分流装置及无叶风扇,该分流装置包括:分流器;其将气流进行分流疏通;气流发生器,其用于产生高速气流;密封组件,其呈环状;以及支撑构件,其与所述密封组件紧密连接相配合;其中,所述分流器、所述气流发生器、所述密封组件以及支撑构件之间同轴设置,所述分流器位于所述气流发生器的上方,所述密封组件位于所述分流器与所述气流发生器之间,所述支撑构件将所述密封组件包裹。本案的分流装置使得通过分流道的气流顺畅均匀,且防止气流向外泄漏,而产生噪音。(The invention discloses a flow dividing device and a bladeless fan, wherein the flow dividing device comprises: a flow divider; the air flow is divided and dredged; an airflow generator for generating a high-speed airflow; a seal assembly in the shape of a ring; and a support member closely coupled to the sealing assembly; wherein, the shunt, airflow generator, coaxial setting between seal assembly and the supporting member, the shunt is located airflow generator's top, seal assembly is located the shunt with airflow generator between, the supporting member will seal assembly parcel. The flow dividing device enables air flow passing through the flow dividing channel to be smooth and uniform, and prevents the air flow from leaking outwards to generate noise.)
1. A flow diversion apparatus, comprising:
a flow divider (10); the air flow is divided and dredged;
an airflow generator (20) for generating a high-speed airflow;
a seal assembly (30) having an annular shape; and
a support member (40) in close fitting engagement with the seal assembly (30);
wherein, coaxial setting between shunt (10), airflow generator (20), seal assembly (30) and the bracing member (40), shunt (10) are located airflow generator (20)'s top, seal assembly (30) are located shunt (10) with airflow generator (20) between, bracing member (40) will seal assembly (30) parcel.
2. A shunt device according to claim 1, wherein the shunt (10) comprises:
a first member (110) which is hollow inside; and
a second member (120) internally recessed and coaxially disposed over said first member (110);
the upper end part of the second component (120) is provided with at least two annular flow dividing ports (121), and the first component (110) and the second component (120) are oppositely arranged to form a flow dividing space.
3. A shunt device according to claim 2 wherein the first member (110) is provided with a first curved member (111), the first curved member (111) enveloping the second member (120);
the first bending member (111) extends downward to form a connection part (113).
4. A shunt device according to claim 2, wherein the second member (120) is provided with a second curved member (122), and the bottom of the second curved member (122) is provided with a recess in which a flow blocking post (124) is provided.
5. A shunt device according to claim 1 wherein the support member (40) extends axially outwardly downwardly to form an outer flange (410);
the inner side of the supporting member (40) extends downwards along the axial direction to form an inner flange (420), and the lower end of the inner flange (420) is connected with a supporting skirt part (430);
the upper portion of the support skirt (430) and the inner side of the support member (40) form a catch (431).
6. A shunt device according to claim 5 wherein the seal assembly (30) comprises:
the upper end and the lower end of the first sealing ring (310) extend inwards along the center of the first sealing ring (310) and are not contacted with each other, so that a clamping jaw structure (311) is formed;
the upper part of the outer side of the first sealing ring (310) is provided with T-shaped buckling structures (314) which are arranged in a circumferential array;
the lower part of the outer side of the first sealing ring (310) is connected with a lower flange (312), and a certain gap is formed between the lower flange (312) and the first sealing ring (310) to form a groove (313);
wherein the longitudinal part of the T-shaped buckle structure (314) and the first sealing ring (310) are integrated; the clamping groove (431) is matched with a T-shaped buckling structure (314) on the first sealing ring (310), and the lower part of the supporting skirt part (430) is at least partially overlapped with a groove (313) of the first sealing ring (310).
7. A shunt device according to claim 5 wherein the seal assembly (30) comprises:
the lower bottom surface of the flow divider (10) is provided with a groove (125) which is matched with the upper part of the second sealing ring (320);
the lower part of the second sealing ring (320) is provided with at least two supporting legs (321), and the supporting legs (321) are connected with the upper end face of the airflow generator (20).
8. A device according to claim 2, wherein the annular flow-dividing opening (121) is provided with an annular sealing ring (331) around its periphery.
9. The flow dividing device of claim 1, wherein the airflow generator (20) comprises:
a power chamber (210) providing kinetic energy for generating a high velocity air stream;
an impeller (230) coaxially disposed below the power chamber (210);
a drainage tube (220) which is hollow inside and has both open upper and lower ends to form an upper opening and a lower opening respectively;
wherein the power chamber (210) and the impeller (230) are disposed within the draft tube (220) and form an annular draft tube cavity (240).
10. A bladeless fan, comprising a flow divider according to any one of claims 1-9.
Technical Field
The invention relates to the field of bladeless fans, in particular to a flow dividing device and a bladeless fan.
Background
The existing bladeless fan generates airflow through the airflow generator, the airflow is upwards and freely guided into the nozzle to be emitted outwards, and the airflow can generate turbulence in the flow divider, so that noise is generated.
Accordingly, there is a need for a flow divider and a bladeless fan to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a flow divider and a bladeless fan, wherein the flow divider for dividing and dredging air flow, an air flow generator for generating high-speed air flow, a sealing assembly and a supporting member are arranged; the flow divider, the airflow generator, the sealing assembly and the supporting member are coaxially arranged to fix the flow dividing device in the bladeless fan; the flow divider comprises a first member which is hollow inside and a second member which is concave inside and is coaxially arranged on the first member; the upper end of the second component is provided with at least two annular flow dividing ports, the first component and the second component are arranged oppositely to form a flow dividing space to guide airflow to the flow dividing channels, so that the airflow passing through the flow dividing channels is smooth and uniform, and the airflow is prevented from leaking outwards to generate noise.
To achieve the above objects and other advantages in accordance with the present invention, there is provided a flow divider and a bladeless fan comprising:
a flow divider; the air flow is divided and dredged;
an airflow generator for generating a high-speed airflow;
a seal assembly in the shape of a ring; and
the supporting component is tightly connected and matched with the sealing component;
wherein, the shunt, airflow generator, coaxial setting between seal assembly and the supporting member, the shunt is located airflow generator's top, seal assembly is located the shunt with airflow generator between, the supporting member will seal assembly parcel.
Preferably, the flow divider includes:
a first member having a hollow interior; and
a second member recessed therein and coaxially disposed over the first member;
the upper end of the second component is provided with at least two annular flow dividing ports, and the first component and the second component are oppositely arranged to form a flow dividing space.
Preferably, the first member is provided with a first curved member which wraps around the second member;
the first curved member extends downwardly to form a connecting member.
Preferably, the second member is provided with a second bending member, the bottom of the second bending member is provided with a groove, and a flow blocking column is arranged in the groove.
Preferably, the outer side of the supporting member extends downwards along the axial direction to form an outer flange;
the inner side of the supporting component extends downwards along the axial direction to form an inner flange, and the lower end of the inner flange is connected with a supporting skirt part;
the upper part of the supporting skirt part and the inner side of the supporting component form a clamping groove.
Preferably, the seal assembly comprises:
the upper end and the lower end of the first sealing ring extend inwards along the center of the first sealing ring and are not contacted with each other, so that a clamping jaw structure is formed;
the upper part of the outer side of the first sealing ring is provided with T-shaped buckle structures which are arranged in a circumferential array;
the lower part of the outer side of the first sealing ring is connected with a lower flange, and a certain gap is formed between the lower flange and the first sealing ring to form a groove;
the longitudinal part of the T-shaped buckle structure and the first sealing ring are integrated into a whole; the clamping groove is matched with the T-shaped buckling structure on the first sealing ring, and the lower portion of the supporting skirt portion is at least partially overlapped with the groove of the first sealing ring.
Preferably, the seal assembly comprises:
the lower bottom surface of the flow divider is provided with a groove which is matched with the upper part of the second sealing ring;
the lower part of the second sealing ring is provided with at least two supporting legs, and the supporting legs are connected with the upper end face of the airflow generator.
Preferably, the periphery of the annular shunt opening is provided with an annular sealing ring.
Preferably, the airflow generator comprises:
a power chamber providing kinetic energy for generating a high velocity air stream;
an impeller coaxially disposed below the power chamber;
the drainage tube is hollow inside and the upper end and the lower end of the drainage tube are both opened so as to form an upper opening and a lower opening respectively;
the power chamber and the impeller are arranged in the drainage tube, and an annular drainage cavity is formed.
Furthermore, the present disclosure also discloses a bladeless fan including any one of the above flow dividing devices.
Compared with the prior art, the invention has the beneficial effects that: the air flow is divided and dredged by arranging a flow divider, an air flow generator for generating high-speed air flow, a sealing assembly and a supporting member; the flow divider, the airflow generator, the sealing assembly and the supporting member are coaxially arranged to fix the flow dividing device in the bladeless fan; the flow divider comprises a first member with a hollow interior and a second member with a recessed interior and coaxially disposed over the first member; the upper end of the second component is provided with at least two annular flow dividing ports, the first component and the second component are arranged oppositely to form a flow dividing space to guide airflow to the flow dividing channels, so that the airflow passing through the flow dividing channels is smooth and uniform, and the airflow is prevented from leaking outwards to generate noise.
Drawings
FIG. 1 is a perspective view of a bladeless fan according to one embodiment of the present invention;
FIG. 2 is a perspective view of a proposed flow diverter, according to one embodiment of the present invention;
FIG. 3 is a perspective view of a proposed splitter apparatus according to one embodiment of the present invention;
FIG. 4 is a top view of a first curved member of the flow diverter according to one embodiment of the present invention;
FIG. 5 is a top view of a second curved member of the proposed flow splitter in accordance with an embodiment of the present invention;
FIG. 6 is an elevational cross-sectional view of a proposed flow diverter, according to one embodiment of the present invention;
fig. 7 is a front sectional view of a proposed support member according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a first seal ring of a proposed seal assembly according to one embodiment of the present invention;
FIG. 9 is a perspective view of a first seal ring of the proposed seal assembly according to one embodiment of the present invention;
FIG. 10 is a cross-sectional view of a first seal ring of a proposed seal assembly according to one embodiment of the present invention
FIG. 11 is a partial cross-sectional view of a bladeless fan according to one embodiment of the present invention;
figure 12 is a cross-sectional view of a proposed airflow generator in accordance with one embodiment of the present invention.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification.
In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.
In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc., are defined with respect to the configurations shown in the respective drawings, and in particular, "height" corresponds to a dimension from top to bottom, "width" corresponds to a dimension from left to right, "depth" corresponds to a dimension from front to rear, which are relative concepts, and thus may be varied accordingly depending on the position in which it is used, and thus these or other orientations should not be construed as limiting terms.
Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
According to an embodiment of the present invention, as shown in fig. 1, it can be seen that the flow dividing device comprises:
a
an
a
a
wherein, coaxial setting between
Referring now to fig. 2, 3, it can be seen that the flow diverter 10 comprises:
a
a
as shown in fig. 5, at least two
Referring now to fig. 4, the
the
The
Referring now to FIG. 7, the outer side of the
an
the upper portion of the
The
referring now to fig. 8 and 9, it can be seen that, the
the upper part of the outer side of the
a lower flange 3122 is connected to the lower portion of the outer side of the
wherein, the longitudinal part of the T-shaped
The
as can be seen from fig. 10 and 11, the
the lower part of the
Wherein the
Referring now to fig. 1, the annular tap opening 121 is provided with an
The shape of
In a specific embodiment, the arrangement of the
Referring now to fig. 12, it can be seen that the
a
And an
A
Wherein the
In a specific embodiment, the air flow is accelerated by the
The number of apparatuses and the scale of the process described herein are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
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