CN210423118U

CN210423118U - Fan with adjustable steering angle

Info

Publication number: CN210423118U
Application number: CN201921193559.5U
Authority: CN
Inventors: 李建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-28
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses an adjustable fan that turns to angle, including plastic envelope motor, back shaft, top connection and fan oscillating motor, the fan oscillating motor is the variable synchronous machine who turns to's miniature interchange, and synchronous machine passes through on the support bracket is fixed in the plastic envelope motor, synchronous machine with be equipped with gear drive between the back shaft, support bracket with be equipped with between the top connection and turn to angle range regulation structure. The utility model realizes the angle control of the fan by the function of automatic reverse rotation when the synchronous motor touches the resistance, which is beneficial to the popularization of the existing fan; the comfort of consumers is effectively improved, and the air supply waiting time when the fan shakes the head is shortened; the wind energy-saving air supply device is energy-saving and environment-friendly, does not supply air to an invalid area, and can obtain more abundant air quantity by reducing the first-gear air quantity when the wind energy-saving air supply device works in a small-angle air supply mode.

Description

Fan with adjustable steering angle

Technical Field

The utility model relates to a fan specifically is an adjustable steering angle's fan.

Background

At present, the common oscillating fans on the market all supply air back and forth within a fixed angle of about 90 degrees. In most of the using time, the required oscillating angle is usually less than 45 degrees or two-point air supply with small angle is performed, so that the comfort of the consumer is reduced due to air supply in the unnecessary angle, and meanwhile, the power of the fan is intentionally increased due to too short air supply time, thereby causing resource waste invisibly.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is not enough to prior art, provide an adjustable fan that turns to angle, through setting for the fan angle of shaking the head, improve user's travelling comfort.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a fan with an adjustable steering angle comprises a plastic package motor, a supporting shaft and an upper joint; the method is characterized in that: the plastic package motor is connected with the supporting shaft through a supporting bracket, the synchronous motor is fixed on the plastic package motor through the supporting bracket, a gear transmission mechanism is arranged between the synchronous motor and the supporting shaft, a steering angle range adjusting structure is arranged between the supporting bracket and the upper joint,

the steering angle range adjusting structure comprises two screws, a plurality of screw holes which can be matched with the screws and are used for adjusting the circumferential positions of the two screws, a left limiting point for limiting the forward swing of one screw to trigger the synchronous motor to rotate reversely, and a right limiting point for limiting the reverse swing of the other screw to trigger the synchronous motor to rotate forwardly; the two screws and the screw holes are located on the supporting bracket or the upper joint, and the left limit point and the right limit point are located on the upper joint or the supporting bracket.

The fan with the adjustable steering angle is characterized in that: the two screws and the screw holes are located on the supporting bracket, and the left limit point and the right limit point are located on the upper joint.

The fan with the adjustable steering angle is characterized in that: the supporting bracket is fixed with the upper end of the supporting shaft in a riveting mode, the gear transmission mechanism comprises a pinion and a gear wheel which are in meshing transmission, the pinion is fixed to the output shaft end of the synchronous motor, the gear wheel is installed on the upper joint, the gear wheel and the supporting shaft are coaxially arranged, the supporting shaft penetrates through the inner ring of the gear wheel and then is rotatably sleeved in a shaft hole in the upper joint, and a limiting structure which limits circumferential rotation of the gear wheel is arranged on the upper joint.

The fan with the adjustable steering angle is characterized in that: the inner ring of the gear wheel is provided with four convex blocks, the outer circumference of the upper end of the shaft hole on the upper joint is provided with four clamping blocks, and the four convex blocks on the gear wheel can axially slide into and correspondingly coincide between the four clamping blocks to form a limiting structure for limiting the circumferential rotation of the gear wheel.

The fan with the adjustable steering angle is characterized in that: the supporting shaft is sleeved with a steel ball tray, and the steel ball tray is provided with a plurality of steel balls for supporting the supporting bracket to rotate circumferentially.

The fan with the adjustable steering angle is characterized in that: the support bracket is L-shaped and comprises a horizontal support plate and a vertical support plate, the upper end of the vertical support plate is provided with an arc-shaped notch matched with the appearance of the plastic package motor, the edge close to the arc-shaped notch is provided with a plurality of screw holes, and a plurality of screws penetrate through the screw holes and are in locking connection with the screw holes on the plastic package motor; the upper end of the supporting shaft is perpendicular to the horizontal supporting plate and is fixedly riveted with the horizontal supporting plate, and the plurality of screw holes are distributed at intervals along the arc-shaped outer circumferential edge on the horizontal supporting plate; the upper joint is provided with a surrounding edge surrounding the periphery of the horizontal support plate, the two ends of the surrounding edge are respectively provided with a left limiting point and a right limiting point, and the two screws are positioned in a steering angle interval between the left limiting point and the right limiting point.

The utility model has the advantages that: the utility model realizes the angle control of the fan by the function of automatic reverse rotation when the synchronous motor touches the resistance, which is beneficial to the popularization of the existing fan; the comfort of consumers is effectively improved, and the air supply waiting time when the fan shakes the head is shortened; the wind energy-saving air supply device is energy-saving and environment-friendly, does not supply air to an invalid area, and can obtain more abundant air quantity by reducing the first-gear air quantity when the wind energy-saving air supply device works in a small-angle air supply mode.

Drawings

Fig. 1 is a schematic structural view of a fan with adjustable steering angle according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic view of a supporting bracket of the fan with adjustable turning angle according to the present invention;

FIG. 4 is a schematic view of a steel ball tray structure of a fan with adjustable turning angle according to the present invention;

in the figure: 1. a lower joint; 2. a support bracket; 21. a horizontal support plate; 211. an outer circumferential edge; 22. a vertical support plate; 221. an arc-shaped notch; 222. screw holes; 3. a fan blade; 4. a plastic packaging motor; 41. a screw hole; 5. a synchronous motor; 6. a pinion gear; 7. a bull gear; 71. a bump; 8. a support shaft; 10. an upper joint; 11. a steel ball tray; 101. a clamping block; 111. steel balls; 12. two screws; 13. a screw hole; 14. a left restriction site; 15. and a right limit point.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a fan with adjustable steering angle comprises a lower joint 1, fan blades 3, a plastic package motor 4, a supporting shaft 8, an upper joint 10 and a fan oscillating motor, wherein the upper joint 10 is mounted on the lower joint 1 through a horizontal shaft to realize vertical angle adjustment, and the fan blades 3 are fixedly mounted on an output shaft of the plastic package motor 4. Fan oscillating motor is the variable synchronous machine 5 who turns to of miniature interchange, plastic envelope motor 4 is connected with back shaft 8 through support bracket 2, and synchronous machine 5 passes through support bracket 2 is fixed in on the plastic envelope motor 4, synchronous machine 5 with be equipped with gear drive between the back shaft 8, support bracket 2 with be equipped with between the top connection 10 and turn to angle range adjustment structure.

The steering angle range adjusting structure comprises two screws 12, a plurality of screw holes 13 which can be matched with the screws 12 and are used for adjusting the circumferential positions of the two screws 12, a left limiting point 14 which limits forward swing of one screw 12 to trigger the synchronous motor 5 to rotate reversely, and a right limiting point 15 which limits reverse swing of the other screw 12 to trigger the synchronous motor 5 to rotate forwardly; the two screws 12 and the screw holes 13 are located on the support bracket 2 or the upper joint 10, and the left and

right limit points

14 and 15 are located on the upper joint 10 or the support bracket 2.

In the embodiment of the present application, two screws 12 and screw holes 13 are located on the support bracket 2, and the left limit point 14 and the right limit point 15 are located on the upper joint 10.

In the embodiment of this application, support bracket 2 with 8 upper ends of back shaft riveting are fixed, gear drive includes meshing driven pinion 6 and gear wheel 7, pinion 6 is fixed to 5 output shaft ends of synchronous motor, gear wheel 7 installs top connection 10 and gear wheel 7 with the coaxial setting of back shaft 8 rotates the suit in the shaft hole on top connection 10 after back shaft 8 passes gear wheel 7 inner circle, is equipped with restriction gear wheel 7 circumference pivoted limit structure on the top connection 10.

In the embodiment of the present application, the inner ring of the large gear 7 is provided with four protrusions 71, the outer circumference of the upper end of the shaft hole on the upper joint 10 is provided with four fixture blocks 101, and the four protrusions 71 on the large gear 7 can axially slide into and correspondingly fit between the four fixture blocks 101 to form a limiting structure for limiting the circumferential rotation of the large gear 7.

In the embodiment of the application, the steel ball tray 11 is sleeved outside the support shaft 8, and the steel ball tray 11 is provided with a plurality of steel balls 111 for supporting the support bracket 2 to rotate circumferentially.

In the embodiment of the application, the support bracket 2 is L-shaped and comprises a horizontal support plate 21 and a vertical support plate 22, an arc-shaped notch 221 matched with the plastic package motor 4 in shape is arranged at the upper end of the vertical support plate 22, a plurality of screw holes 222 are arranged near the edge of the arc-shaped notch 221, and a plurality of screws penetrate through the screw holes 222 to be in locking connection with screw holes 41 on the plastic package motor 4; the upper end of the support shaft 8 is vertically arranged with the horizontal support plate 21 and is riveted and fixed, and the plurality of screw holes 13 are distributed at intervals along the arc-shaped outer circumferential edge 211 on the horizontal support plate 21; the upper joint 10 is provided with a surrounding edge surrounding the periphery of the horizontal support plate 21, two ends of the surrounding edge are respectively provided with a left limit point 14 and a right limit point 15, and the two screws 12 are positioned in a steering angle interval between the left limit point 14 and the right limit point 15.

When the synchronous motor works, when a screw 12 on the support bracket 2 rotates in the positive direction and touches a left limiting point on the upper joint 10, the synchronous motor 5 automatically rotates in the negative direction; when another screw 12 on the support bracket 2 rotates in the reverse direction and touches a right limit point on the upper joint 10, the synchronous motor 5 automatically rotates in the positive direction; and the process is circulated.

Specific operation explanation:

the synchronous motor 5 is electrified to work, the output shaft of the synchronous motor 5 rotates, and the output shaft of the synchronous motor 5 converts the rotation motion of the pinion 6 into the circular motion which takes the axis of the support shaft 8 as the center and winds the outer circumference of the gearwheel 7 through the pinion 6 and the gearwheel 7.

The operation flow is as follows:

the size of the shaking head is determined by the position of the two screws 12 screwed into the screw hole 13, and if the two screws 12 are screwed into the two screw holes 13 at the middle, the angle of the shaking head is the largest; if the two screws 12 are screwed to the extreme left and right positions, respectively, the angle of the turn is relatively smaller.

The utility model realizes the angle control of the fan with lower scheme cost through simple and convenient screw 12 position adjustment, which is beneficial to the popularization of the existing fan; the comfort of consumers is effectively improved, and the air supply waiting time when the fan shakes the head is shortened; the wind energy-saving air supply device is energy-saving and environment-friendly, does not supply air to an invalid area, and can obtain more abundant air quantity by reducing the first-gear air quantity when the wind energy-saving air supply device works in a small-angle air supply mode.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A fan with an adjustable steering angle comprises a plastic package motor (4), a support shaft (8) and an upper joint (10); the method is characterized in that: still including the fan motor of shaking the head, the fan motor of shaking the head is the variable synchronous machine (5) of the miniature interchange that turns to, plastic envelope motor (4) are connected with back shaft (8) through support bracket (2), and synchronous machine (5) pass through on support bracket (2) are fixed in plastic envelope motor (4), synchronous machine (5) with be equipped with gear drive between back shaft (8), support bracket (2) with be equipped with between top connection (10) and turn to angle range regulation structure,

the steering angle range adjusting structure comprises two screws (12), a plurality of screw holes (13) which can be matched with the screws (12) and are used for adjusting the circumferential positions of the two screws (12), a left limiting point (14) which limits forward swing of one screw (12) to trigger the synchronous motor (5) to rotate reversely, and a right limiting point (15) which limits reverse swing of the other screw (12) to trigger the synchronous motor (5) to rotate forwardly; the two screws (12) and the screw holes (13) are located on the support bracket (2) or the upper joint (10), and the left limit point (14) and the right limit point (15) are located on the upper joint (10) or the support bracket (2).

2. The fan of claim 1, wherein: the two screws (12) and the screw holes (13) are located on the support bracket (2), and the left limit point (14) and the right limit point (15) are located on the upper joint (10).

3. The fan of claim 1 or 2, wherein: support bracket (2) with back shaft (8) upper end riveting is fixed, gear drive includes meshing driven pinion (6) and gear wheel (7), synchronous machine (5) output shaft end fixed pinion (6), gear wheel (7) are installed top connection (10) and gear wheel (7) with back shaft (8) coaxial setting, rotate the suit in the axle hole on top connection (10) after back shaft (8) passes gear wheel (7) inner circle, be equipped with restriction gear wheel (7) circumference pivoted limit structure on top connection (10).

4. The fan of claim 3, wherein: the inner ring of the large gear (7) is provided with four convex blocks (71), the outer circumference of the upper end of the shaft hole on the upper joint (10) is provided with four clamping blocks (101), and the four convex blocks (71) on the large gear (7) can axially slide in and correspondingly fit between the four clamping blocks (101) to form a limiting structure for limiting the circumferential rotation of the large gear (7).

5. The fan of claim 1, wherein: the supporting shaft (8) is sleeved with a steel ball tray (11), and a plurality of steel balls (111) supporting the supporting bracket (2) to rotate circumferentially are mounted on the steel ball tray (11).

6. The fan of claim 1, wherein: the support bracket (2) is L-shaped and comprises a horizontal support plate (21) and a vertical support plate (22), an arc-shaped notch (221) matched with the plastic package motor (4) in shape is formed in the upper end of the vertical support plate (22), a plurality of screw holes (222) are formed in the position close to the edge of the arc-shaped notch (221), and a plurality of screws penetrate through the screw holes (222) and are in locking connection with screw holes (41) in the plastic package motor (4); the upper end of the supporting shaft (8) is perpendicular to the horizontal supporting plate (21) and is fixedly riveted, and the plurality of screw holes (13) are distributed at intervals along the arc-shaped outer circumferential edge (211) of the horizontal supporting plate (21); the upper joint (10) is provided with a surrounding edge surrounding the periphery of the horizontal support plate (21), the two ends of the surrounding edge are respectively provided with a left limiting point (14) and a right limiting point (15), and the two screws (12) are positioned in a steering angle interval between the left limiting point (14) and the right limiting point (15).