Oscillating mechanism of tower fan

Abstract

The utility model discloses a head shaking mechanism of a tower fan, which comprises a rotating support, a rotating disc capable of rotating on the rotating support is arranged on the rotating support, a shaft sleeve is arranged on the rotating support, a rotating shaft inserted into the shaft sleeve is arranged on the rotating disc, and a driven gear connected to the rotating shaft is arranged between the rotating support and the rotating disc. The lower portion of the driven gear is fixed to the rotating support, a stepping motor is further arranged on the rotating disc, and the output end of the stepping motor is connected with a driving gear meshed with the driven gear. According to the oscillating mechanism, the stepping motor is used for driving, the gear set is used for transmission, and the rotating support and the rotating disc are used for installation and connection, so that the oscillating angle of the tower fan can be increased to 300 degrees, the oscillating angle can be controlled and selected at will, and the oscillating mechanism is stable in swinging, suitable for tower fans of various models, long in service life and simple in structure.

Description

Technical Field

[0001] The utility model relates to a swing mechanism of a tower fan.

Background Art

[0002] The tower fan, due to its slender and straight shape, resembling a building, is also called a building fan to distinguish it from the traditional rotary fan. Its English name is "Tower fan", and it is commonly known as "tower fan" in literal translation. It has no fan blades of traditional fans, and the air forms an air current by being thrown out by the fan, which is closer to natural wind and is thus welcomed by people.

[0003] The disadvantages of existing tower fans are as follows: 1. The swing angle is small, the air outlet range is narrow, and it cannot meet the needs of multiple people to be blown at the same time; 1. The swing angle cannot be selected and can only be fixed; 3. It is prone to unstable swinging during swinging, and it is also prone to generating noise, which even affects the service life of the tower fan.

Summary of the Invention

[0004] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a swing mechanism of a tower fan with an increased swing angle, the swing angle can be arbitrarily controlled and selected, applicable to various models of tower fans, with stable swinging, long service life, and simple structure.

[0005] The purpose of the utility model is achieved as follows:

[0006] A swing mechanism of a tower fan, characterized in that it includes a rotating bracket, a rotating disk rotatable on the rotating bracket is provided on the rotating bracket, a bushing is provided on the rotating bracket, a rotating shaft inserted into the bushing is provided on the rotating disk, a driven gear connected to the rotating shaft is provided between the rotating bracket and the rotating disk, the lower part of the driven gear is fixed to the rotating bracket, a stepping motor is further provided on the rotating disk, and an output end of the stepping motor is connected with a driving gear meshing with the driven gear.

[0007] The swing mechanism of a tower fan as described above is characterized in that a stop tooth for restricting its rotation angle is provided on the driven gear.

[0008] The swing mechanism of a tower fan as described above is characterized in that a circular ring concave platform is provided on the upper part of the rotating bracket, a circular ring convex platform matched with the circular ring concave platform is provided on the rotating disk, a washer is provided between the circular ring concave platform and the circular ring convex platform, a washer connecting column is provided below the washer, and a round hole for inserting the washer connecting column is provided on the circular ring concave platform.

[0009] The swing mechanism of a tower fan as described above is characterized in that a connecting plate is provided below the driven gear, a connecting column is provided below the connecting plate, and a connecting ring for inserting the connecting column is provided on the upper part of the rotating bracket.

[0010] A swing mechanism of a tower fan as described above, characterized in that the lower part of the rotating shaft passes through the shaft sleeve and an annular groove is provided at the bottom of the rotating shaft, a fixing sleeve is sleeved on the bottom of the rotating shaft, and a snap spring for fixing the fixing sleeve is clamped in the annular groove.

[0011] A swing mechanism of a tower fan as described above, characterized in that the lower part of the stepping motor is provided with a lug, the lug is provided with a lug hole, and the upper part of the rotating disc is provided with a fixing hole for cooperating and fixing with the lug hole.

[0012] A swing mechanism of a tower fan as described above, characterized in that the lower part of the rotating bracket is fixed with a lower cover, and a screw rod is provided at the bottom of the lower cover.

[0013] The beneficial effects of the present utility model are:

[0014] The swing mechanism of the present utility model uses a stepping motor as the drive, is driven through a gear set, and is installed and connected through a rotating bracket and a rotating disc. The swing angle of the tower fan can be increased to 300 degrees, the swing angle can be arbitrarily controlled and selected, the swing is stable, it is applicable to various models of tower fans, has a long service life, and has a simple structure.

Description of the Drawings

[0015] Figure 1 is a perspective view of the present utility model;

[0016] Figure 2 is Figure 1 the exploded view of

[0017] Figure 3 is Figure 1 the exploded view of

Detailed Embodiment

[0018] The present utility model will be further described below with reference to the drawings:

[0019] A swing mechanism of a tower fan, which includes a rotating bracket 1, a rotating disc 2 that can rotate on the rotating bracket is provided on the rotating bracket 1, a shaft sleeve 3 is provided on the rotating bracket 1, a rotating shaft 4 inserted into the shaft sleeve 3 is provided on the rotating disc 2, a driven gear 5 connected to the rotating shaft is provided between the rotating bracket 1 and the rotating disc 2, the lower part of the driven gear 5 is fixed to the rotating bracket 1, a stepping motor 6 is further provided on the rotating disc 2, and an output end of the stepping motor 6 is connected with a driving gear 7 meshing with the driven gear 5.

[0020] The present utility model is provided with a stop tooth 51 for restricting the rotation angle on the driven gear 5. The stop tooth 51 can be multiple, so as to control the rotation angle of the driven gear, and further control the rotation angle of the tower fan.

[0021] The upper part of the rotating bracket 1 of the present utility model is provided with an annular concave platform 11, the rotating disc 2 is provided with an annular convex platform 21 that cooperates with the annular concave platform 11, a washer 13 is provided between the annular concave platform 11 and the annular convex platform 21, a washer connecting column 14 is provided below the washer 13, and the annular concave platform 11 is provided with a round hole 15 for the washer connecting column to be inserted into.

[0022] The lower part of the driven gear 5 of the present utility model is provided with a connecting plate 52, the lower part of the connecting plate 52 is provided with a connecting column 53, and the upper part of the rotating bracket 1 is provided with a connecting ring 16 for the connecting column 53 to be inserted into.

[0023] The lower part of the rotating shaft 4 of the present utility model passes through the shaft sleeve 3 and an annular groove 41 is provided at the bottom of the rotating shaft. A fixing sleeve 42 is sleeved on the bottom of the rotating shaft 4, and a snap ring for fixing the fixing sleeve 42 is clamped in the annular groove 41. A groove 31 that is recessed upward is provided at the bottom of the shaft sleeve 3, and the fixing sleeve 42 can be clamped into the groove 31.

[0024] The lower part of the stepping motor 6 of the present utility model is provided with an ear 61, the ear 61 is provided with an ear hole 62, and the upper part of the rotating disc 2 is provided with a fixing hole 22 that cooperates and fixes with the ear hole 62.

[0025] The lower cover 8 is fixed to the lower part of the rotating bracket 1 of the present utility model, and a screw 81 is provided at the bottom of the lower cover 8.

Claims

1. A shaking mechanism of a tower fan, characterized in that The invention comprises a rotating bracket (1), a rotating disc (2) rotatable on the rotating bracket is provided on the rotating bracket (1), a shaft sleeve (3) is provided on the rotating bracket (1), a rotating disc (2) is provided with a rotating shaft (4) inserted into the shaft sleeve (3), a driven gear (5) connected to the rotating shaft is provided between the rotating bracket (1) and the rotating disc (2), the lower part of the driven gear (5) is fixed to the rotating bracket (1), a stepping motor (6) is also provided on the rotating disc (2), and an output end of the stepping motor (6) is connected to a driving gear (7) meshing with the driven gear (5).

2. The oscillating mechanism of a tower fan according to claim 1, characterized in that The driven gear (5) is provided with a stop tooth (51) for limiting its rotation angle.

3. The oscillating mechanism of a tower fan according to claim 1, characterized in that A circular concave platform (11) is provided on the upper part of the rotating bracket (1), a circular convex platform (21) matched with the circular concave platform (11) is provided on the rotating disk (2), a gasket (13) is provided between the circular concave platform (11) and the circular convex platform (21), a gasket connecting column (14) is provided at the lower part of the gasket (13), and a circular hole (15) for inserting the gasket connecting column is provided on the circular concave platform (11).

4. The oscillating mechanism of a tower fan according to claim 1, characterized in that A connecting plate (52) is provided at the lower part of the driven gear (5), a connecting column (53) is provided at the lower part of the connecting plate (52), and a connecting ring (16) for inserting the connecting column (53) is provided at the upper part of the rotating bracket (1).

5. The oscillating mechanism of a tower fan according to claim 1, characterized in that The lower part of the rotating shaft (4) passes through the shaft sleeve (3) and an annular groove (41) is provided at the bottom of the rotating shaft. A fixing sleeve (42) is sleeved on the bottom of the rotating shaft (4), and a retaining spring for fixing the fixing sleeve (42) is clamped in the annular groove (41).

6. The oscillating mechanism of a tower fan according to claim 1, characterized in that The stepping motor (6) is provided with a support ear (61) at the lower part, the support ear (61) is provided with a support ear hole (62), and the rotating disk (2) is provided with a fixing hole (22) matched with the support ear hole (62) for fixing.

7. The oscillating mechanism of a tower fan according to claim 1, characterized in that A lower cover (8) is fixed to the lower part of the rotating bracket (1), and a screw rod (81) is arranged at the bottom of the lower cover (8).

Images