CN215980035U

CN215980035U - Electric fan

Info

Publication number: CN215980035U
Application number: CN202122432586.7U
Authority: CN
Inventors: 谭兆明
Original assignee: Foshan Shunde Sanyuan Electric Appliance Co ltd
Current assignee: Foshan Shunde Sanyuan Electric Appliance Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-03-08
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses an electric fan, which relates to the field of fan equipment and comprises an electric fan body, wherein the lower end of the electric fan body is fixedly connected with a fixed box body, the lower surface of the fixed box body is attached and connected with a bottom plate, the outer side of the back surface of the electric fan body is provided with an adjusting assembly, the adjusting assembly comprises a strip-shaped guide plate, the strip-shaped guide plate is arranged in an arc shape, the outer side of the middle part of the strip-shaped guide plate is movably sleeved with a sliding sleeve matched with the strip-shaped guide plate, and the upper end and the lower end of one side surface, away from the electric fan body, of the sliding sleeve are fixedly connected with suckers. According to the electric fan, the adjusting assembly is arranged on the outer side of the back of the electric fan body and comprises an arc-shaped strip-shaped guide plate, the outer side of the strip-shaped guide plate is movably sleeved with the sliding sleeve, one side face of the sliding sleeve is fixedly connected with the sucking disc, the other side of the sliding sleeve is movably inserted with the positioning knob through threads, and the sucking disc can be adsorbed on a wall surface, so that the electric fan body is suspended.

Description

Electric fan

Technical Field

The utility model relates to the field of fan equipment, in particular to an electric fan.

Background

An electric fan, also called fan and fanner, is a household electrical appliance which uses an electric motor to drive fan blades to rotate so as to accelerate the circulation of air, and is mainly used for cooling and relieving summer heat and circulating air. The product is widely used in places such as families, classrooms, offices, shops, hospitals, hotels and the like.

However, at present, the existing electric fan is usually directly placed on a desktop, and is easy to fall due to mistaken collision, so that the electric fan is damaged. Therefore, it is necessary to provide an electric fan to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an electric fan to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electric fan, includes the electric fan body, the fixed box of lower extreme fixedly connected with of electric fan body, the lower surface laminating of fixed box is connected with the bottom plate, the back outside of electric fan body is provided with adjusting part, adjusting part includes the bar deflector, the bar deflector sets up to the arc, the slip cap with bar deflector looks adaptation has been cup jointed in the middle part outside activity of bar deflector, the equal fixedly connected with sucking disc in upper and lower both ends of a side that the electric fan body was kept away from to the slip cap, another side middle part of slip cap has the location knob through screw thread activity grafting, the equal fixedly connected with fixed block in both ends of bar deflector, two the fixed block respectively with the upper end of electric fan body and the last fixed surface of bottom plate is connected.

Preferably, the inner cavity of the fixed box body is provided with a PCB substrate, a controller and a storage battery, and a plurality of through holes distributed in a rectangular array are formed in one side face of the fixed box body.

Preferably, the front surface of the PCB substrate is fixedly connected with a sound sensor and an amplifier, and the sound sensor is electrically connected with the amplifier.

Preferably, both sides of the lower surface of the fixed box body are provided with positioning holes, and the inner cavities of the positioning holes are communicated with the inner cavity of the fixed box body.

Preferably, both ends of the upper surface of the bottom plate are fixedly connected with positioning columns, and the two positioning columns are respectively located in the inner cavities of the two positioning holes and are matched with the positioning holes.

Preferably, the upper end of the outer side wall of the positioning column is connected with an annular sleeve in a bonding mode, and the annular sleeve is made of rubber materials capable of elastically deforming.

The utility model has the technical effects and advantages that:

1. according to the electric fan, the adjusting assembly is arranged on the outer side of the back of the electric fan body and comprises an arc-shaped strip-shaped guide plate, the outer side of the strip-shaped guide plate is movably sleeved with the sliding sleeve, one side face of the sliding sleeve is fixedly connected with the sucking disc, the other side of the sliding sleeve is movably inserted with the positioning knob through threads, the sucking disc can be adsorbed on the wall surface, so that the electric fan body is placed in a hanging mode, the inclination angle of the electric fan body can be adjusted by adjusting the position between the strip-shaped guide plate and the sliding sleeve, and the using effect of the electric fan is improved;

2. according to the electric fan, the PCB substrate is arranged in the inner cavity of the fixed box body, the sound sensor and the amplifier are arranged on the PCB substrate, the through holes are formed in one side face of the fixed box body, sound waves of music enter the inner cavity of the fixed box body through the through holes and are received by the PCB substrate and converted into tiny voltage, the tiny voltage is amplified by the amplifier, and finally a voltage signal is transmitted to the controller, so that the rotating speed and the air volume of the electric fan body can be adjusted at any time according to different external music, and the using effect is further improved.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is a perspective view of another perspective of the overall structure of the present invention.

Fig. 3 is a perspective view of the adjusting assembly of the present invention.

Fig. 4 is a schematic perspective sectional view of the fixed box structure of the present invention.

Fig. 5 is a perspective view of the bottom plate structure of the present invention.

In the figure: 1. an electric fan body; 2. fixing the box body; 21. a PCB substrate; 22. a sound sensor; 23. an amplifier; 24. a through hole; 25. a controller; 26. a storage battery; 27. positioning holes; 3. a base plate; 31. a positioning column; 32. an annular sleeve; 4. an adjustment assembly; 41. a strip-shaped guide plate; 42. a sliding sleeve; 43. a suction cup; 44. positioning a knob; 5. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.

The utility model provides an electric fan as shown in figures 1-5, which comprises an electric fan body 1, wherein the lower end of the electric fan body 1 is fixedly connected with a fixed box body 2, the lower surface of the fixed box body 2 is connected with a bottom plate 3 in an attaching manner, and the outer side of the back surface of the electric fan body 1 is provided with an adjusting component 4.

Specifically, the adjusting assembly 4 includes a bar-shaped guide plate 41, the bar-shaped guide plate 41 is set to be arc-shaped, a sliding sleeve 42 matched with the bar-shaped guide plate 41 is movably sleeved on the outer side of the middle portion of the bar-shaped guide plate 41, so that the sliding sleeve 42 can slide along the length direction of the bar-shaped guide plate 41 on the outer side of the bar-shaped guide plate 41, and further the position of the sliding sleeve 42 on the bar-shaped guide plate 41 is changed, suction cups 43 are fixedly connected to the upper and lower ends of one side surface of the sliding sleeve 42 away from the electric fan body 1, the suction cups 43 are arranged to facilitate the whole absorption of the adjusting assembly 4 on the wall surface, a positioning knob 44 is movably inserted in the middle portion of the other side surface of the sliding sleeve 42 through threads, the sliding sleeve 42 and the bar-shaped guide plate 41 can be relatively fixed by screwing the positioning knob 44, thereby preventing the sliding sleeve 42 from easily sliding, fixing blocks 5 are fixedly connected to both ends of the bar-shaped guide plate 41, two fixed blocks 5 are connected with the upper end of electric fan body 1 and the fixed surface of bottom plate 3 respectively, consequently adsorb adjusting part 4 whole back on the wall, can guarantee that electric fan body 1 hangs on the wall to avoided electric fan body 1 directly to place on the desktop, received the mistake and bumped the back and take place to fall easily.

Further, a PCB substrate 21, a controller 25 and a storage battery 26 are disposed in an inner cavity of the fixed box 2, the controller 25 is an STM32F103C8T6 type microcontroller, a plurality of through holes 24 distributed in a rectangular array are disposed on a side surface of the fixed box 2, the through holes 24 ensure that external sound can be transmitted into the inner cavity of the fixed box 2, a sound sensor 22 and an amplifier 23 are fixedly connected to a front surface of the PCB substrate 21, the sound sensor 22 is electrically connected to the amplifier 23, the sound sensor 22 is an MP34DB02TR, the amplifier 23 is an GS6002, the sound sensor 22 functions as a microphone in which an electret microphone sensitive to sound is disposed, the sound wave vibrates an electret film in the sound sensor 22 to cause a change in capacitance, so as to generate a small voltage correspondingly changed, the amplifier 23 is used for amplifying the small voltage output from the sound sensor 22, and transmit it to the controller 25, the controller 25 can control the rotational speed of the electric fan body 1 along with the change of the voltage signal, both sides of the lower surface of the fixed box body 2 are provided with positioning holes 27, and the inner cavities of the positioning holes 27 are communicated with the inner cavity of the fixed box body 2.

Secondly, equal fixedly connected with reference column 31 in the both ends of bottom plate 3 upper surface, two reference columns 31 are located the inner chamber of two locating holes 27 respectively and with locating hole 27 looks adaptation, the bonding connection of the lateral wall upper end of reference column 31 has annular cover 32, annular cover 32 is made by the rubber materials that can take place elastic deformation, insert the inner chamber back of locating hole 27 with reference column 31, annular cover 32 at first receives the extrusion of locating hole 27 inner wall to take place deformation, then resume elastic deformation, and the card is in the inboard of locating hole 27, thereby realize the location to bottom plate 3.

The working principle of the utility model is as follows:

when the device is used, the sucker 43 is firstly adsorbed on the wall surface to hang the electric fan body 1, then the positioning knob 44 is unscrewed, the electric fan body 1 is pulled, at the moment, the strip-shaped guide plate 41 and the sliding sleeve 42 slide relatively, the inclination angle of the electric fan body 1 is adjusted to a proper position, and then the positioning knob 44 is screwed down to fix the position of the electric fan body 1;

after music in the external environment is transmitted to the inner cavity of the fixed box body 2 through the through hole 24, the sound sensor 22 receives sound waves of the music, the sound waves enable an electret film in the sound sensor 22 to vibrate to cause capacitance change, and further generate small voltage which changes correspondingly, the small voltage is amplified by the amplifier 23 and then transmitted to the controller 25, the controller 25 can control the rotating speed of the electric fan body 1 along with the change of voltage signals, and further the electric fan body 1 can adjust the rotating speed and the air volume of the electric fan body 1 along with different external music at any time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An electric fan comprises an electric fan body (1), and is characterized in that: the lower end of the electric fan body (1) is fixedly connected with a fixed box body (2), the lower surface of the fixed box body (2) is attached with a bottom plate (3), an adjusting component (4) is arranged on the outer side of the back of the electric fan body (1), the adjusting component (4) comprises a strip-shaped guide plate (41), the strip-shaped guide plate (41) is arc-shaped, the outer side of the middle part of the strip-shaped guide plate (41) is movably sleeved with a sliding sleeve (42) matched with the strip-shaped guide plate (41), the upper end and the lower end of one side surface of the sliding sleeve (42) far away from the electric fan body (1) are fixedly connected with suckers (43), the middle part of the other side surface of the sliding sleeve (42) is movably inserted with a positioning knob (44) through a screw thread, the two ends of the strip-shaped guide plate (41) are fixedly connected with fixing blocks (5), and the two fixing blocks (5) are fixedly connected with the upper end of the electric fan body (1) and the upper surface of the bottom plate (3) respectively.

2. The electric fan according to claim 1, wherein: the inner cavity of the fixed box body (2) is provided with a PCB substrate (21), a controller (25) and a storage battery (26), and a plurality of through holes (24) distributed in a rectangular array are formed in one side face of the fixed box body (2).

3. An electric fan according to claim 2, wherein: the front surface of the PCB substrate (21) is fixedly connected with a sound sensor (22) and an amplifier (23), and the sound sensor (22) is electrically connected with the amplifier (23).

4. An electric fan according to claim 3, wherein: locating holes (27) are formed in the two sides of the lower surface of the fixed box body (2), and the inner cavities of the locating holes (27) are communicated with the inner cavity of the fixed box body (2).

5. The electric fan as claimed in claim 4, wherein: both ends of the upper surface of the bottom plate (3) are fixedly connected with positioning columns (31), and the two positioning columns (31) are respectively located in the inner cavities of the two positioning holes (27) and are matched with the positioning holes (27).

6. The electric fan as claimed in claim 5, wherein: the upper end of the outer side wall of the positioning column (31) is connected with an annular sleeve (32) in an adhering mode, and the annular sleeve (32) is made of rubber materials capable of elastically deforming.