CN220302369U

CN220302369U - Bladeless fan

Info

Publication number: CN220302369U
Application number: CN202321840511.5U
Authority: CN
Inventors: 谢新苗
Original assignee: Shaoxing Groupstar Electric Appliance Co ltd
Current assignee: Shaoxing Groupstar Electric Appliance Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-05
Anticipated expiration: 2033-07-13

Abstract

The utility model discloses a bladeless fan which comprises a main shell, an air inlet assembly, a flow guide assembly and an air outlet assembly, wherein the air inlet assembly, the flow guide assembly and the air outlet assembly are arranged in the main shell and are continuously communicated, the air inlet assembly comprises a first air inlet shell and a second air inlet shell which are spliced to form a cylindrical inner cavity, a first channel communicated with the flow guide assembly is arranged on the side face of the cylindrical inner cavity, an air inlet is arranged on the opposite circular face of the cylindrical inner cavity, an opening matched with the air inlet in size is arranged on the main shell, a protective cover is detachably matched with the opening, a motor support is arranged on the side, close to the air inlet, of the first air inlet shell, a motor is arranged on the motor support, and a cylindrical centrifugal fan blade matched with the cylindrical inner cavity is connected to an output shaft of the motor. The motor and the centrifugal fan blades are positioned in the openings at the two sides of the bladeless fan, and the motor can be conveniently overhauled or the centrifugal fan blades can be conveniently scrubbed by detaching the protective cover.

Description

Bladeless fan

Technical Field

The utility model belongs to the technical field of electric fans, and particularly relates to a bladeless fan.

Background

The fan is a device which drives a fan blade to rotate through a motor so as to push gas to flow, and has the main function of accelerating air convection for heat dissipation and temperature reduction. Because the fan blades rotate fast, the fan blades are directly exposed to the outside and have a certain danger to users, the traditional method is to add a protective cover, and the bladeless fan is appeared due to the consideration of safety. The bladeless fan is characterized in that a motor and a fan She She are arranged in a coated shell, an air inlet and a diversion air duct are formed in the shell, the diversion air duct is communicated with an air outlet face component which blows air towards one side, when the motor operates, air enters from the air inlet, and finally, the air is discharged from the air outlet face component through diversion of the diversion air duct.

The motor and the fan blade of the bladeless fan are generally arranged in the shell, dust can be accumulated in the shell and on the fan blade in the using process, so that certain dust exists in blown-out wind, and the whole machine is required to be completely disassembled when the motor is required to be overhauled or the fan blade is required to be scrubbed by the existing bladeless fan, so that the motor is more troublesome to overhaul and scrub the fan blade.

Disclosure of Invention

The utility model provides a bladeless fan which is driven by the wind power of a centrifugal fan as the bladeless fan and can conveniently overhaul a motor or scrub centrifugal fan blades.

In order to solve the technical problems, the utility model is solved by the following technical scheme: the utility model provides a bladeless fan, includes main casing, air intake subassembly, water conservancy diversion subassembly and air-out subassembly set up in the main casing and communicate in succession, the air intake subassembly includes first air inlet casing and the second air inlet casing that the amalgamation formed the tube-shape inner chamber, tube-shape inner chamber side be provided with the first passageway of water conservancy diversion subassembly intercommunication, be provided with the air intake on the face that the tube-shape inner chamber is relative, be provided with on the main casing with the opening that the air intake size matches, demountable cooperation has the safety cover on the opening, be close to on the first air inlet casing the air intake side is provided with the motor support, be provided with the motor on the motor support, be connected with on the output shaft of motor with tube-shape centrifugal fan blade that the tube-shape inner chamber matches. The motor and the centrifugal fan blades are positioned in the openings at the two sides of the bladeless fan, and the motor can be conveniently overhauled or the centrifugal fan blades can be conveniently scrubbed by detaching the protective cover.

In the above technical scheme, preferably, a second channel connected with the first channel in a split manner is arranged in the flow guiding component, the second channel is split into a third channel and a fourth channel along the air inlet direction towards two sides, an annular channel is arranged in the air outlet component, a plurality of air outlets are arranged on one side of the annular channel, and two ends of the air outlet component are connected with the third channel and the fourth channel. By adopting the structure, the air outlet velocity of the air outlet on the air outlet component is more uniform.

In the above technical solution, preferably, two ends of the air outlet assembly are rotatably connected to the main housing. By adopting the structure, the air outlet direction of the air outlet component can be adjusted.

In the above technical solution, preferably, the second channel is gradually reduced along the air inlet direction. This structure is used to collect the air flow to increase the air pressure.

In the above technical solution, preferably, the third channel and the fourth channel are disposed opposite to each other, a connecting line of the third channel and the fourth channel is perpendicular to the second channel, and a guiding ridge is disposed at a tail portion of the guiding assembly, the tail portion being opposite to the second channel. The adoption of the structure reduces the energy loss of airflow steering.

In the above technical scheme, preferably, the main casing is formed by combining a first casing and a second casing, and a positioning accommodating part matched with the shape of the outer wall of the flow guiding assembly is arranged in the main casing. The structure is convenient for positioning the flow guide assembly in the main shell and assembling the flow guide assembly and the main shell.

Among the above-mentioned technical scheme, preferably, the main casing is formed by first casing and second casing amalgamation, first air inlet casing and second air inlet casing outer wall all are provided with the bellying of mutual alignment, and two relatively pass through the bolt fastening between the bellying, all be provided with the location muscle in first casing and the second casing, be provided with on the location muscle with the recess that the bellying matches, the bellying is put into the recess is in order to fix a position in the main casing the air intake subassembly. The structure is convenient for positioning the air inlet component in the main shell and assembling the air inlet component and the main shell.

In the above technical scheme, preferably, the opening periphery is provided with a plurality of block openings, block opening one side is less than the opposite side, be provided with a plurality of fixture blocks on the protection casing, the fixture block is including the trip that can penetrate the block opening big end, and rotatable the safety cover is so that the trip hooks the lateral wall of block opening tip. The structure is convenient for the assembly and disassembly of the protective cover on the opening.

In the above technical scheme, preferably, the main casing bottom is provided with the steering motor, the output shaft end of steering motor sets up to the non-circular shaft, main casing below is provided with the base, be provided with on the base with the socket that the output shaft end of steering motor matees. The main shell can turn through the rotation of the steering motor by adopting the structure, so that the swing of the wind outlet direction is realized, and the assembly is convenient.

Compared with the prior art, the utility model has the following beneficial effects: the motor and the centrifugal fan blades are positioned in the openings at the two sides of the bladeless fan, and the motor can be conveniently overhauled or the centrifugal fan blades can be conveniently scrubbed by detaching the protective cover.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is an exploded view of an embodiment of the present utility model.

Fig. 3 is a schematic structural diagram of the main housing according to an embodiment of the utility model.

FIG. 4 is a schematic structural view of a protective cover according to an embodiment of the present utility model.

Fig. 5 is an exploded view of an air intake assembly and a flow directing assembly according to an embodiment of the present utility model.

Fig. 6 is a schematic view of an installation structure of a steering motor according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a base according to an embodiment of the present utility model.

Description of the embodiments

The utility model is described in further detail below with reference to the attached drawings and detailed description: referring to fig. 1 to 7, a bladeless fan comprises a main housing 1, an air inlet assembly 2, a flow guide assembly 3 and an air outlet assembly 4, wherein the air inlet assembly 2, the flow guide assembly 3 and the air outlet assembly 4 are arranged in the main housing 1 and are continuously communicated, the air inlet assembly 2 comprises a first air inlet housing 21 and a second air inlet housing 22 which are spliced to form a cylindrical inner cavity, a first channel 23 communicated with the flow guide assembly 3 is arranged on the side surface of the cylindrical inner cavity, an air inlet 24 is arranged on the opposite round surface of the cylindrical inner cavity, an opening 11 matched with the air inlet 24 in size is arranged on the main housing 1, a protective cover 12 is detachably matched on the opening 11, a motor support 25 is arranged on the side, close to the air inlet 24, of the first air inlet housing 21, and a cylindrical centrifugal fan blade 26 matched with the cylindrical inner cavity is connected to an output shaft of the motor. In the bladeless fan, the motor and the centrifugal fan blades 26 are positioned in the openings on two sides, so that the motor can be conveniently overhauled or the centrifugal fan blades can be conveniently scrubbed by detaching the protective cover 12.

In this embodiment, a second channel 31 spliced and connected with the first channel 23 is arranged in the flow guiding component 3, the second channel 31 is split into a third channel 32 and a fourth channel 33 along the air inlet direction towards two sides, an annular channel 41 is arranged in the air outlet component 4, a plurality of air outlets 42 are arranged on one side of the annular channel 41, and two ends of the air outlet component 4 are connected with the third channel 32 and the fourth channel 33. The air is introduced into the two ends of the annular channel 41 through the two sides of the third channel 32 and the fourth channel 33, so that the air outlet velocity of the air outlet 42 on the air outlet assembly 4 is more uniform.

In this embodiment, two ends of the air outlet assembly 4 are rotatably connected to the main housing 1. By adopting the structure, the air outlet assembly 4 can rotate, and the air outlet direction of the air outlet 42 can be adjusted by rotating the air outlet assembly 4.

In this embodiment, the second channel 31 is gradually reduced in the air intake direction. This structure is used to collect the air flow to increase the air pressure.

In this embodiment, the third channel 32 and the fourth channel 33 are disposed opposite to each other, and the connection line between them is perpendicular to the second channel 31, and a guiding ridge 34 is disposed at the tail of the guiding component 3 opposite to the second channel 31. The adoption of the structure reduces the energy loss of airflow steering.

In this embodiment, the main casing 1 is formed by combining a first casing 10 and a second casing 20, and a positioning receiving portion matched with the shape of the outer wall of the flow guiding component 3 is disposed in the main casing 1. The structure is adopted to conveniently position the flow guide assembly 3 in the main shell 1, and the flow guide assembly 3 and the main shell 1 are convenient to assemble.

In this embodiment, the main casing 1 is formed by splicing the first casing 10 and the second casing 20, the outer walls of the first air inlet casing 21 and the second air inlet casing 22 are respectively provided with a protrusion 27 aligned with each other, two opposite protrusions 27 are fixed by bolts, positioning ribs 13 are respectively arranged in the first casing 10 and the second casing 20, grooves 14 matched with the protrusions 27 are arranged on the positioning ribs 13, and the protrusions 27 are placed in the grooves 14 to position the air inlet assembly 2 in the main casing 1. By adopting the structure, the air inlet assembly 2 is conveniently positioned in the main shell 1, and the air inlet assembly 2 and the main shell 1 are conveniently assembled.

In this embodiment, four engaging openings 15 are uniformly distributed on the periphery of the opening 11, one side of each engaging opening 15 is smaller than the other side, four clamping blocks 16 are provided on the protecting cover 12, each clamping block 16 comprises a clamping hook 17 which can penetrate into the large end of each engaging opening 15, and the protecting cover 12 can be rotated to enable the corresponding clamping hook 17 to hook the side wall of the small end of each engaging opening 15. The protection cover 12 can penetrate the clamping hook 17 into the large end of the clamping opening 15, and then the clamping hook 17 is rotated to hook the side wall of the small end of the clamping opening 15, so that the protection cover 12 is fixed on the opening 11, the protection cover 12 can be detached through reversely rotating the protection cover 12, and the protection cover 12 is convenient to assemble and disassemble on the opening 11.

In this embodiment, the bottom of the main casing 1 is provided with a steering motor 5, specifically, the bottom of the main casing 1 is fixed with a support through a screw, a channel for the output shaft of the steering motor 5 to pass through is provided on the support, the support and the main casing 1 clamp and fix the steering motor 5, the end of the output shaft of the steering motor 5 is set to be a non-circular shaft 51, a base 6 is provided below the main casing 1, and a socket 61 matched with the end of the output shaft of the steering motor 5 is provided on the base 6. With this structure, the main casing 1 can be turned by the turning of the turning motor 5, so that the wind-coming direction swings, and the assembly is convenient.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims

1. The utility model provides a bladeless fan, includes main casing body (1), air intake subassembly (2), water conservancy diversion subassembly (3) and air-out subassembly (4) set up in main casing body (1) and communicate its characterized in that in succession: the utility model provides a novel air intake assembly, including amalgamation formation tube-shape inner chamber first air inlet casing (21) and second air inlet casing (22), tube-shape inner chamber side be provided with first passageway (23) of water conservancy diversion subassembly (3) intercommunication, be provided with air intake (24) on the circle face that tube-shape inner chamber is relative, be provided with on main casing (1) with opening (11) that air intake (24) size matees, demountable cooperation has safety cover (12) on opening (11), be close to on first air inlet casing (21) air intake (24) side is provided with motor support (25), be provided with the motor on motor support (25), be connected with on the output shaft of motor with tube-shape centrifugal fan blade (26) that tube-shape inner chamber matees.

2. A bladeless fan according to claim 1, wherein: second passageway (31) that are provided with in water conservancy diversion subassembly (3) with first passageway (23) amalgamation is connected, second passageway (31) are shunted into third passageway (32) and fourth passageway (33) to both sides along the air inlet direction, the inside annular channel (41) that is equipped with of air-out subassembly (4), one side of annular channel (41) is provided with a plurality of air outlets (42), air-out subassembly (4) both ends with third passageway (32) with fourth passageway (33) are connected.

3. A bladeless fan according to claim 2, wherein: the two ends of the air outlet assembly (4) are rotatably connected to the main shell (1).

4. A bladeless fan according to claim 2, wherein: the second channel (31) is gradually reduced along the air inlet direction.

5. A bladeless fan according to claim 2, wherein: the third channel (32) and the fourth channel (33) are oppositely arranged, the connecting line of the third channel and the fourth channel is perpendicular to the second channel (31), and a flow guiding ridge (34) is arranged at the tail part, opposite to the second channel (31), of the flow guiding assembly (3).

6. A bladeless fan according to claim 2, wherein: the main shell (1) is formed by splicing a first shell (10) and a second shell (20), and a positioning accommodating part matched with the shape of the outer wall of the flow guide assembly (3) is arranged in the main shell (1).

7. A bladeless fan according to claim 1, wherein: main casing (1) is formed by first casing (10) and second casing (20) amalgamation, first air inlet casing (21) with second air inlet casing (22) outer wall all is provided with protruding portion (27) of mutual alignment, and is relative two pass through the bolt fastening between protruding portion (27), all be provided with location muscle (13) in first casing (10) and second casing (20), be provided with on location muscle (13) with recess (14) that protruding portion (27) match, protruding portion (27) are put into recess (14) are in order to fix a position in main casing (1) air intake subassembly (2).

8. A bladeless fan according to claim 1, wherein: the utility model discloses a safety cover, including opening (11), safety cover, protection cover, opening (11) periphery is provided with a plurality of block mouths (15), block mouthful (15) are less than the opposite side in one side, be provided with a plurality of fixture blocks (16) on safety cover (12), fixture block (16) are including trip (17) that can penetrate block mouthful (15) big end to rotatable safety cover (12) so that trip (17) hook the lateral wall of block mouthful (15) tip.

9. A bladeless fan according to claim 1, wherein: the steering motor (5) is arranged at the bottom of the main shell (1), the end part of an output shaft of the steering motor (5) is a non-circular shaft (51), a base (6) is arranged below the main shell (1), and a socket (61) matched with the end part of the output shaft of the steering motor (5) is arranged on the base (6).