CN214304472U

CN214304472U - Electric fan

Info

Publication number: CN214304472U
Application number: CN202023342590.6U
Authority: CN
Inventors: 廖韶东
Original assignee: Foshan Shunde Youfei Electrical Technology Co ltd
Current assignee: Foshan Shunde Youfei Electrical Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-28
Anticipated expiration: 2030-12-31

Abstract

The utility model provides an electric fan, including the subassembly of shaking the head, the supporting component, the subassembly of shaking the head, be equipped with the adapter between the supporting component, be equipped with step motor in the adapter, drive gear, the rotation connecting piece, drive gear and step motor cooperation are connected, rotate the connecting piece part and insert in the supporting component, be equipped with the driven gear with drive gear meshing on the rotation connecting piece, step motor passes through drive gear, driven gear, the rotation connecting piece, the supporting component drives the subassembly of shaking the head and makes 360 rotations, it orders about the automatic drive assembly who overturns from top to bottom of subassembly to be equipped with in the subassembly of shaking the head, so that the electric fan produces three-dimensional encircleing wind in work. The utility model discloses an electric fan produces three-dimensional surrounding wind at work, and the air-out is effectual, does 360 rotations simultaneously at the subassembly of shaking the head of electric fan, and the subassembly of shaking the head is from top to bottom upset in the automatic operation, and the air-out direction is many, blows to the user in different positions to and blow to the different positions on one's body of user, and user's comfort level is high.

Description

Electric fan

Technical Field

The utility model relates to a household appliance specifically is an electric fan.

Background

The electric fan on the market generally has the function of shaking the head, but the electric fan of shaking the head a bit can not make 360 turn to, in addition, the subassembly of shaking the head of some electric fans can overturn from top to bottom, but is manual usually, and user operation is not in the aspect, and in the subassembly of shaking the head of manual upset, need increase the torsional spring in the department of rotating, prevent that the subassembly of shaking the head from appearing flagging after the upset, so its stability is not ideal enough, and manual adjustment's air-out effect is not good.

Chinese patent document No. CN204827985U at 2015.12.02 discloses a 360-degree rotation fan with a head, which comprises a head bracket, a stepping motor and an infrared human body sensor are arranged in or outside the head bracket, a transfer joint is arranged at the lower end of the head bracket, an indexing disc is arranged on the transfer joint, the stepping motor is engaged with the transfer joint, a groove-shaped photoelectric switch is fixed on the surface of the lower end of the head bracket, and the groove-shaped photoelectric switch is opposite to the indexing disc; the stepping motor is provided with a first gear, the transfer joint is provided with a second gear, and the first gear is meshed with the second gear. Although the oscillating assembly with the structure can rotate 360 degrees, the air outlet effect is poor, and three-dimensional surrounding air cannot be generated. And thus, is in need of further improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric fan produces three-dimensional wind around at work, and the air-out is effectual, does 360 rotations simultaneously at the subassembly of shaking the head of electric fan, and the subassembly of shaking the head is from top to bottom done and overturns, and the air-out direction is many, blows to the user in different positions to and blow to the different positions on the user's body, the electric fan that user's comfort level is high, in order to overcome the weak point among the prior art.

According to an electric fan of this purpose design, including the subassembly of shaking the head, the supporting component, the subassembly of shaking the head, be equipped with the adapter between the supporting component, be equipped with step motor in the adapter, drive gear, rotate the connecting piece, drive gear and step motor cooperation are connected, rotate the connecting piece part and insert in the supporting component, be equipped with the driven gear with drive gear meshing on the rotation connecting piece, step motor passes through drive gear, driven gear, rotate the connecting piece, the supporting component drives the subassembly of shaking the head and makes 360 rotations, be equipped with the drive assembly who orders about the automatic upset from top to bottom of subassembly of shaking the head in the subassembly of shaking the head, so that the electric fan produces three-dimensional encircleing wind in work.

The subassembly of shaking head includes back screen panel, motor cover, is equipped with locating hole and pilot hole on the back screen panel, is equipped with the reference column that imbeds in the locating hole on the motor cover to and pilot hole matched with mounting hole, so that back screen panel dismantlement formula is installed on the motor cover.

The subassembly of shaking the head still includes and rotates the support frame of being connected with the motor cover, the left and right sides of motor cover all is equipped with the axis of rotation, be equipped with drive gear in every axis of rotation, drive assembly is including the driving motor who is located the motor cover to and the bull gear who is connected with the driving motor cooperation, with the bull gear and the drive gear meshing on one side, driving motor passes through bull gear, drive gear, the motor cover drives the back screen panel and makes the upset from top to bottom on the support frame, and then drives the whole subassembly of shaking the head and overturn from top to bottom.

The motor cover is internally provided with a mounting plate for mounting a driving motor, the driving motor is provided with a first eccentric shaft, the first eccentric shaft penetrates through the mounting plate and is inserted into a rotating gear, a gap is reserved between the transmission gear and the mounting plate, in addition, in the rotating track direction of the transmission gear, the mounting plate is provided with an upper limiting column and a lower limiting column, the upper limiting column and the lower limiting column are arranged at intervals up and down, and the transmission gear is provided with limiting teeth which are contacted with the upper limiting column and the lower limiting column in the rotating process.

The oscillating assembly further comprises a front mesh enclosure assembled with the rear mesh enclosure, a fan blade assembly is arranged between the front mesh enclosure and the rear mesh enclosure, a motor is arranged in the motor enclosure, and a motor shaft of the motor penetrates through the rear mesh enclosure and is connected with the fan blade assembly in a matched mode.

The support frame comprises a front support and a rear support which are buckled with each other, a connecting shaft sleeve is arranged on the inner wall of the front support corresponding to the rotating shaft, the part of the connecting shaft sleeve is fixed on the inner wall of the front support, and the part of the rotating shaft is inserted into the connecting shaft sleeve.

The left side and the right side of the motor cover are both provided with accommodating cavities, and the other parts of the rotating shaft and the connecting shaft sleeve are inserted into the accommodating cavities.

The bottom of the rear bracket is provided with an inserting part, the adapter comprises an upper connector, the top of the upper connector is provided with an inserting rod in a hollow structure, and the inserting part is inserted into the inserting rod; the adapter still includes the lower connector with last connector looks lock, and the supporting component is including being hollow structure's bracing piece to and be located the support base of bracing piece bottom, and the connector is down inserted to bracing piece one end, and the bracing piece other end inserts the support base, rotates the connecting piece part and inserts the bracing piece.

The outer surface of the upper connector is provided with an induction area, and the induction area is provided with a lamp hole for inducing a signal transmitted by the remote controller.

The rotating connecting piece is provided with a connecting shaft, the connecting shaft is inserted into the rotating connecting piece, and the connecting shaft is provided with more than one bearing.

The utility model has the advantages as follows:

a. the electric fan produces three-dimensional surrounding wind at work, and the air-out is effectual, makes 360 rotations simultaneously at the subassembly of shaking the head of electric fan, and the subassembly of shaking the head is from top to bottom made and is overturn about, and the air-out direction is many, blows to the user in different position to and blow to the different positions on the user's body, and user's comfort level is high.

b. Be equipped with dismantlement formula connection structure between back screen panel, the motor cover, screen panel and motor after being convenient for separate are favorable to the dismouting of complete machine, improve the assembly efficiency of complete machine to and the maintenance dismouting in later stage.

c. And a limiting stroke structure for limiting the rotation of the rotating gear is arranged on the mounting plate so as to limit the degree of freedom of the upward and downward overturning of the oscillating assembly.

d. Adopt the gear to drive the shaking head subassembly and do the automatic upset from top to bottom, the subassembly stability of shaking the head is good, adopts the torsional spring to prevent the flagging setting of the subassembly of shaking the head in the manual subassembly of shaking the head of cancellation.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of an electric fan according to an embodiment of the present invention.

Fig. 2 is a schematic view of a partially exploded structure of an electric fan according to an embodiment of the present invention.

Fig. 3 is a schematic cross-sectional view of an electric fan according to an embodiment of the present invention.

Fig. 4 and 5 are schematic diagrams of an exploded structure of an oscillating assembly of an electric fan according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the hidden front mesh and fan blade assembly of the electric fan according to an embodiment of the present invention.

Fig. 7 is a partially enlarged view of fig. 6.

Fig. 8 is a schematic view of an assembled and disassembled structure of the rear mesh enclosure and the motor enclosure according to an embodiment of the present invention.

Fig. 9 is a partially enlarged view of fig. 5.

In the drawing, 1 is a swinging head assembly, 2 is a support assembly, 3 is an adapter, 3.1 is an upper connector, 3.2 is a lower connector, 3.3 is a plug rod, 3.4 is a lamp hole, 4 is a stepping motor, 5 is a driving gear, 6 is a rotating connector, 7 is a driven gear, 8 is a rear mesh enclosure, 8.1 is a positioning hole, 8.2 is an assembly hole, 9 is a motor cover, 9.1 is a positioning column, 9.2 is an installation hole, 9.3 is a containing cavity, 10 is a support frame, 10.1 is a front support frame, 10.2 is a rear support frame, 10.3 is a connecting shaft sleeve, 10.4 is a plug part, 11 is a rotating shaft, 12 is a transmission gear, 12.1 is a limiting tooth, 13 is a driving motor, 13.1 is a first eccentric shaft, 14 is a rotating gear, 15 is an installation plate, 15.1 is an upper limiting column, 15.2 is a lower limiting column, 16 is a connecting shaft, 17 is a bearing, 18 is a front blade assembly, 20 is a support rod, 21 is a fan blade assembly, and a base 22 is a fan base.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1, an electric fan comprises an oscillating assembly 1 and a supporting assembly 2, wherein an adapter 3 is arranged between the oscillating assembly 1 and the supporting assembly 2, a stepping motor 4, a driving gear 5 and a rotating connecting piece 6 are arranged in the adapter 3, the driving gear 5 is matched and connected with the stepping motor 4, part of the rotating connecting piece 6 is inserted into the supporting assembly 2, a driven gear 7 meshed with the driving gear 5 is arranged on the rotating connecting piece 6, the stepping motor 4 drives the oscillating assembly 1 to rotate 360 degrees through the driving gear 5, the driven gear 7 and the rotating connecting piece 6 and the supporting assembly 2, a driving assembly for driving the oscillating assembly 1 to automatically turn up and down is arranged in the oscillating assembly 1, so that the electric fan generates three-dimensional surrounding air in work, the air outlet effect is good, the oscillating assembly 1 of the electric fan automatically turns up and down while rotating 360 degrees, the oscillating assembly 1 has multiple air outlet directions, the air is blown to users in different directions and different positions on the body of the users, and the comfort level of the users is high.

The stepping motor 4 is provided with a second eccentric shaft, and the driving gear 5 is connected with the second eccentric shaft.

Referring to fig. 6 and 8, the oscillating head assembly 1 includes a rear mesh enclosure 8 and a motor cover 9, the rear mesh enclosure 8 is provided with a positioning hole 8.1 and an assembling hole 8.2, the motor cover 9 is provided with a positioning column 9.1 embedded into the positioning hole 8.1 and a mounting hole 9.2 matched with the assembling hole 8.2, so that the rear mesh enclosure 8 is detachably mounted on the motor cover 9. Be equipped with dismantlement formula connection structure between back screen panel 8, the motor cover 9, screen panel 8 and motor 9 after being convenient for separate are favorable to the dismouting of complete machine, improve the assembly efficiency of complete machine to and the maintenance dismouting in later stage.

In the embodiment, screws are inserted into the assembly holes 8.2 and the mounting holes 9.2, so that the rear mesh enclosure 8 and the motor enclosure 9 are fixedly connected.

Referring to fig. 4, fig. 5, the subassembly of shaking head still includes and rotates the support frame 10 of being connected with motor cover 9, the left and right sides of motor cover 9 all is equipped with axis of rotation 11, be equipped with drive gear 12 on every axis of rotation 11, drive assembly is including being located the driving motor 13 of motor cover 9, and the bull gear 14 of being connected with driving motor 13 cooperation, with the meshing of bull gear 14 and drive gear 12 on one side, driving motor 13 passes through bull gear 14, drive gear 12, motor cover 9 drives back screen panel 8 and makes the upset from top to bottom on support frame 10, and then drive whole subassembly of shaking head 1 upset from top to bottom, adopt the gear to drive the subassembly of shaking head 1 and make automatic upset from top to bottom, subassembly of shaking head 1 stability is good, the manual subassembly of shaking head of cancellation adopts the flagging setting of torsional spring to prevent the subassembly of shaking head.

Referring to fig. 4 and 5, an installation plate 15 for installing a driving motor 13 is arranged in the motor cover 9, the driving motor 13 is provided with a first eccentric shaft 13.1, the first eccentric shaft 13.1 penetrates through the installation plate 15 and is inserted into a rotating gear 14, a gap is formed between the transmission gear 12 and the installation plate 15, an upper limiting column 15.1 and a lower limiting column 15.2 are arranged on the installation plate 15 in the rotating track direction of the transmission gear 12, the upper limiting column 15.1 and the lower limiting column 15.2 are arranged at intervals up and down, and a limiting tooth 12.1 which contacts the upper limiting column 15.1 and the lower limiting column 15.2 in rotation is arranged on the transmission gear 12.

The drive motor 13 is a stepping motor.

In this embodiment, if the oscillating assembly 1 is in upward turning, when the top surface of the limit tooth 12.1 contacts the upper limit column 15.1, the maximum upward turning stroke is reached, and the degree of freedom of upward turning of the oscillating assembly 1 is limited; if the oscillating assembly 1 is turned downwards, when the bottom surface of the limiting tooth 12.1 contacts the lower limiting column 15.2, the maximum stroke of the downward turning is reached, and the degree of freedom of the downward turning of the oscillating assembly 1 is limited.

Referring to fig. 1 and 3, the oscillating head assembly 1 further includes a front mesh enclosure 18 assembled with the rear mesh enclosure 8, a fan blade assembly 19 is disposed between the front mesh enclosure 18 and the rear mesh enclosure 8, a motor 20 is disposed in the motor enclosure 9, and a motor shaft of the motor 20 penetrates through the rear mesh enclosure 8 and is connected with the fan blade assembly 19 in a matching manner.

Referring to fig. 4 and 5, the support frame 10 includes a front support frame 10.1 and a rear support frame 10.2 that are fastened together, a connecting sleeve 10.3 is provided on an inner wall of the front support frame 10.1 corresponding to the rotating shaft 11, a portion of the connecting sleeve 10.3 is fixed on the inner wall of the front support frame 10.1, and a portion of the rotating shaft 11 is inserted into the connecting sleeve 10.3.

The matching position between the front support 10.1 and the rear support 10.2 is provided with a buckle and a buckle hole so as to enable the front support 10.1 and the rear support 10.2 to be buckled.

Referring to fig. 4 and 5, the left side and the right side of the motor cover 9 are both provided with accommodating cavities 9.3, and the other parts of the rotating shaft 11 and the connecting shaft sleeve 10.3 are inserted into the accommodating cavities 9.3.

Referring to fig. 2 and 3, a plug-in part 10.4 is arranged at the bottom of the rear support 10.2, the adapter 3 comprises an upper connector 3.1, a plug-in rod 3.3 with a hollow structure is arranged at the top of the upper connector 3.1, and the plug-in part 10.4 is inserted into the plug-in rod 3.3; adapter 3 still includes the lower connector 3.2 with last connector 3.1 looks lock, and supporting component 2 is including being hollow structure's bracing piece 21 to and be located the support base 22 of bracing piece 21 bottom, and the connector 3.2 is inserted down to bracing piece 21 one end, and the bracing piece 21 other end inserts support base 22, rotates 6 partial insert bracing pieces 21 of connecting piece.

Go up connector 3.1 surface and be equipped with the response area, be equipped with the lamp hole 3.4 that is used for responding to remote controller transmission signal on the response area.

Referring to fig. 3, the rotation connector 6 is provided with a connecting shaft 16, the connecting shaft 16 is inserted into the rotation connector 6, and the connecting shaft 16 is provided with more than one bearing 17.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electric fan, includes subassembly (1), the supporting component (2) of shaking the head, its characterized in that: oscillating assembly (1), be equipped with adapter (3) between supporting component (2), be equipped with step motor (4) in adapter (3), drive gear (5), rotate connecting piece (6), drive gear (5) and step motor (4) cooperation are connected, rotate connecting piece (6) part and insert in supporting component (2), be equipped with on rotating connecting piece (6) with driven gear (7) of drive gear (5) meshing, step motor (4) are through drive gear (5), driven gear (7), rotate connecting piece (6), supporting component (2) drive oscillating assembly (1) and do 360 rotations, be equipped with in oscillating assembly (1) and order about the drive assembly who shakes head assembly (1) and overturn from top to bottom, so that the electric fan produces three-dimensional encircleing wind in work.

2. The electric fan according to claim 1, wherein: head shaking component (1) is equipped with locating hole (8.1) and pilot hole (8.2) including back screen panel (8), motor cover (9) on back screen panel (8), is equipped with reference column (9.1) in embedding locating hole (8.1) on motor cover (9) to and pilot hole (8.2) matched with mounting hole (9.2), so that back screen panel (8) dismantlement formula is installed on motor cover (9).

3. The electric fan according to claim 2, wherein: the subassembly (1) of shaking head still includes and rotates support frame (10) of being connected with motor cover (9), the left and right sides of motor cover (9) all is equipped with axis of rotation (11), be equipped with drive gear (12) on every axis of rotation (11), drive assembly is including driving motor (13) that are located motor cover (9), and running gear (14) of being connected with driving motor (13) cooperation, running gear (14) and drive gear (12) meshing on same one side, driving motor (13) are through running gear (14), drive gear (12), motor cover (9) drive back screen panel (8) and do the upset from top to bottom on support frame (10), and then drive whole subassembly (1) of shaking head upset from top to bottom.

4. The electric fan according to claim 3, wherein: be equipped with mounting panel (15) that is used for installing driving motor (13) in motor cover (9), driving motor (13) are equipped with first eccentric shaft (13.1), first eccentric shaft (13.1) runs through mounting panel (15) and inserts rotating gear (14), have the clearance between drive gear (12) and mounting panel (15), and on drive gear (12) rotation orbit direction, be equipped with spacing post (15.1) on mounting panel (15), spacing post (15.2) down, go up spacing post (15.1), spacing post (15.2) down and be the interval setting from top to bottom, be equipped with on drive gear (12) and contact spacing tooth (12.1) of spacing post (15.1), spacing post (15.2) down in the rotation.

5. The electric fan according to claim 4, wherein: the oscillating assembly (1) further comprises a front mesh enclosure (18) assembled with the rear mesh enclosure (8), a fan blade assembly (19) is arranged between the front mesh enclosure (18) and the rear mesh enclosure (8), a motor (20) is arranged in the motor cover (9), and a motor shaft of the motor (20) penetrates through the rear mesh enclosure (8) and is connected with the fan blade assembly (19) in a matched mode.

6. The electric fan according to claim 5, wherein: the support frame (10) comprises a front support (10.1) and a rear support (10.2) which are buckled with each other, a connecting shaft sleeve (10.3) is arranged on the inner wall of the front support (10.1) corresponding to the rotating shaft (11), the part of the connecting shaft sleeve (10.3) is fixed on the inner wall of the front support (10.1), and the part of the rotating shaft (11) is inserted into the connecting shaft sleeve (10.3).

7. The electric fan according to claim 6, wherein: the left side and the right side of the motor cover (9) are respectively provided with an accommodating cavity (9.3), and the other parts of the rotating shaft (11) and the connecting shaft sleeve (10.3) are inserted into the accommodating cavities (9.3).

8. The electric fan according to claim 6, wherein: the bottom of the rear support (10.2) is provided with an inserting part (10.4), the adapter (3) comprises an upper connector (3.1), the top of the upper connector (3.1) is provided with an inserting rod (3.3) which is of a hollow structure, and the inserting part (10.4) is inserted into the inserting rod (3.3); adapter (3) still includes lower connector (3.2) with last connector (3.1) looks lock, and supporting component (2) are including being hollow structure's bracing piece (21) to and be located bracing piece (21) bottom support base (22), and bracing piece (21) one end is inserted down connector (3.2), and bracing piece (21) other end inserts support base (22), rotates connecting piece (6) part and inserts bracing piece (21).

9. The electric fan according to claim 8, wherein: go up connector (3.1) surface and be equipped with the response region, be equipped with on the response region and be used for responding to remote controller transmission signal's lamp hole (3.4).

10. The electric fan according to any one of claims 1 to 9, wherein: the rotating connecting piece (6) is provided with a connecting shaft (16), the connecting shaft (16) is inserted into the rotating connecting piece (6), and the connecting shaft (16) is provided with more than one bearing (17).