Electric pitching fan

Abstract

The utility model discloses an electric pitching fan which comprises a fan head, a head shaking support and a pitching mechanism, and two supporting plates of the head shaking support are symmetrically and movably connected to the left side and the right side of a rear shell of the fan head respectively. The pitching mechanism is provided with a head shaking motor, a connecting rod structure and a stress rod, the head shaking motor is arranged on a rear shell on the back side of the fan head, the stress rod is arranged between the two supporting plates in the middle, one end of the connecting rod structure is in transmission connection with the output end of the head shaking motor, and the other end of the connecting rod structure is movably connected with the stress rod. Therefore, due to the fact that the stress rod of the pitching mechanism is arranged in the middle between the two supporting plates and the connecting rod structure is arranged in the middle of the back side of the fan head, when the head shaking motor drives the fan head to shake up and down, generated force can be intensively decomposed to the two supporting plates through the connecting rod structure and the stress rod. The effect that the left side and the right side of the head shaking support are evenly stressed and balanced is achieved, the fan head and the head shaking support are prevented from inclining and shaking, and therefore the smoothness and the stability of vertical head shaking of the fan head are improved.

Description

Technical Field

[0001] This utility model relates to the field of electrical technology, and in particular to an electric pitching fan. Background Technology

[0002] An electric tilt fan is a type of fan with tilt adjustment function. By adjusting the tilt angle of the fan, the airflow direction can be changed, thus better adapting to different usage scenarios and needs. Currently, the tilt structure of fans, such as the Chinese utility model patent with publication number CN204371728U and patent name "A Fan", includes a vertical oscillation drive mechanism mounted on a column. This vertical oscillation drive mechanism includes a vertical oscillation motor, a vertical oscillation drive rod, a vertical oscillation connecting rod, and a vertical oscillation fixing rod. When the vertical oscillation motor is running, it drives the vertical oscillation drive rod to rotate, and the vertical oscillation drive rod drives the vertical oscillation connecting rod to rotate relative to the vertical oscillation fixing rod, thereby realizing the vertical oscillation of the fan head.

[0003] However, the existing technology still has the following drawbacks:

[0004] In existing fans, one end of the vertical oscillation linkage is only connected to one side plate of the left and right oscillation brackets. Therefore, the force of the vertical oscillation linkage is only applied to one side of the left and right oscillation brackets. As a result, the forces on the left and right sides of the left and right oscillation brackets are uneven and unbalanced, which can easily lead to the tilting, shaking, wear and aging of the components of the vertical oscillation drive mechanism, affecting the oscillation action and service life of the fan head. Utility Model Content

[0005] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide an electric pitching fan.

[0006] The purpose of this utility model is achieved by the following technical solution: an electric tilting fan, including a fan head, an oscillating bracket, and a tilting mechanism. The oscillating bracket has two support plates, which are symmetrically and movably connected to the left and right sides of the rear shell of the fan head. The tilting mechanism has an oscillating motor, a connecting rod structure, and a force-bearing rod. The oscillating motor is located on the rear shell on the back side of the fan head. The force-bearing rod is centrally located between the two support plates. One end of the connecting rod structure is connected to the output end of the oscillating motor, and the other end of the connecting rod structure is movably connected to the force-bearing rod.

[0007] Furthermore, a force-bearing rod is arranged horizontally, and the left and right ends of the force-bearing rod are correspondingly connected to the two support plates of the swaying bracket; the connecting rod structure is connected to the center position of the force-bearing rod in the horizontal direction.

[0008] Furthermore, the force-bearing rod has two rods, one end of which is respectively connected to the support plate, and the other end of which is inclined upwards and is movably connected to the connecting rod structure.

[0009] Furthermore, the middle portions of the two support plates are bent in opposite directions to form 45° bends, so that the distance between the upper ends of the two support plates is greater than the distance between their lower ends, and the force-bearing rod connects to the bends of the support plates.

[0010] Furthermore, a connecting shaft is provided on the inclined end of the force-bearing rod, and a connecting hole is provided at the end of the connecting rod structure that connects to the force-bearing rod. The connecting rod structure is movably sleeved with the connecting shaft through the connecting hole.

[0011] Furthermore, the linkage structure has a drive rod and a linkage rod, the drive rod and the linkage rod are hinged to each other, and the drive rod is driven to the oscillating motor, and the linkage rod is movably sleeved on the connecting shaft through a connecting hole.

[0012] Furthermore, the drive rod is connected to the output end of the oscillating motor and is positioned centrally on the back side of the rear shell.

[0013] Furthermore, the linkage rod has an arc-shaped portion, and the arc-shaped portion of the linkage rod faces the rear shell.

[0014] Furthermore, the linkage rod has raised ribs on both sides, and the raised ribs extend along the length direction of the linkage rod.

[0015] Furthermore, the pitch mechanism has a motor mount, and the oscillating motor is fixedly mounted on the rear shell of the fan head via the motor mount.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] (1) In this embodiment, the fan head is equipped with a pitch mechanism. The force-bearing rod of the pitch mechanism is centrally located between the two support plates, and the connecting rod structure is centrally located on the back side of the fan head. This allows the force generated when the oscillating motor drives the fan head to oscillate up and down to be concentrated and distributed to the two support plates through the connecting rod structure and the force-bearing rod. Compared to the previous implementation method where one end of the oscillating linkage of the fan is only connected to one side plate of the left and right oscillating brackets, and the force of the oscillating linkage only acts on one side of the left and right oscillating brackets, this embodiment can achieve a uniform and balanced force on both sides of the oscillating brackets through the optimized setting of the pitch mechanism. This avoids tilting, shaking, and wear of the fan head and oscillating brackets, slows down the aging of the fan component structure, and thus improves the smoothness and stability of the fan head's up and down oscillation, extending the service life of the fan.

[0018] (2) By tilting the upper end of the force-bearing rod upward and setting it close to the connecting rod structure, and by connecting the lower end of the force-bearing rod to the bending part of the support plate, the force-bearing rod can be connected to the support plate more stably, thereby improving the structural stability between the support plate and the force-bearing rod.

[0019] (3) An arc-shaped part is provided on the side of the fan head’s rear shell by means of the linkage rod, so that the arc-shaped part of the linkage rod can be coordinated with the position of the fan head’s blower motor, thereby avoiding the linkage rod from colliding with the blower motor or the fan head’s rear shell during the swinging process. Attached Figure Description

[0020] Figure 1 This is a perspective view of the connection between the fan head, the oscillating bracket, and the tilting mechanism in the first embodiment of this utility model;

[0021] Figure 2 This is a perspective view showing the connection between the fan head, the oscillating bracket, and the tilting mechanism in the second embodiment of this utility model;

[0022] Figure 3 This is a perspective view of the pitch mechanism connected to the yaw bracket via a force-bearing rod in the second embodiment of this utility model;

[0023] Figure 4 This is a plan view showing the interconnection of the fan head, oscillating bracket, and tilting mechanism in the second embodiment of this utility model.

[0024] In the picture:

[0025] 10. Fan head; 11. Back cover;

[0026] 20. Oscillating bracket; 201. Support plate; 2011. Bending part; 202. Oscillating support;

[0027] 30. Pitch mechanism; 301. Oscillating motor; 302. Motor base; 303. Linkage structure; 3031. Drive rod; 3032. Linkage rod; 30321. Arc-shaped part; 30322. Rib; 304. Force-bearing rod; 305. Connecting shaft. Detailed Implementation

[0028] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] First Embodiment

[0030] like Figure 1-4As shown, an electric tilting fan is available for both home and industrial use. The fan includes a fan head 10, an oscillating bracket 20, and a tilting mechanism 30. The oscillating bracket 20 has two support plates 201, symmetrically arranged on the left and right sides of the rear shell 11 of the fan head 10. The upper ends of the two support plates 201 are movably connected to the rear shell 11, allowing the fan head 10 to oscillate on the support plates 201. The lower ends of the two support plates 201 are connected to oscillating supports 202, which in turn connect to the fan's upright column for stable support and assembly of the fan head 10.

[0031] The middle portions of the two support plates 201 are bent in opposite directions to form 45° bends 2011. Of course, the middle portions of the support plates 201 can also be bent at angles of 30°, 60°, etc. In this embodiment, the middle portions of the support plates are bent at 45°, which achieves optimal force distribution on the support plates 201. After bending, the lower ends of the support plates 201 remain vertically connected to the oscillating support 202, while the upper ends of the support plates 201 are outwardly convex arc-shaped plates. Therefore, the distance between the upper ends of the two support plates 201 is greater than the distance between their lower ends, ensuring that the distance between the upper ends of the two support plates 201 is sufficient for assembly with the rear shell 11 of the fan head 10. The lower ends of the support plates 201 remain vertically connected to the oscillating support 202, ensuring that the support plates 201 sufficiently support the structural strength of the fan head 10.

[0032] The pitch mechanism 30 includes a oscillating motor 301, a connecting rod structure 303, and a force-bearing rod 304. The oscillating motor 301 is fixedly installed on the back shell 11 of the fan head 10 via a motor base 302. The output shaft of the oscillating motor 301 is parallel to the fan head 10 and extends to the center of the back shell 11 of the fan head 10.

[0033] The linkage structure 303 has a drive rod 3031 and a linkage rod 3032. The drive rod 3031 and the linkage rod 3032 are hinged to each other. In addition, one end of the drive rod 3031 is connected to the output end of the oscillating motor 301. Since the output shaft of the oscillating motor 301 extends to the center of the back side of the rear shell 11 of the fan head 10, the drive rod 3031 can be arranged in the center of the back side of the rear shell 11 when it is connected to the oscillating motor 301.

[0034] Similarly, one end of the linkage rod 3032 receives the connecting shaft 305 on the inclined end of the force rod 304 through the connecting hole movable sleeve, so the linkage rod 3032 is also arranged in the center position on the back side of the rear shell 11. When the oscillating motor 301 drives the drive rod 3031 to rotate, the drive rod 3031 transmits the linkage rod 3032. Since the other end of the linkage rod 3032 is movably connected to the connecting shaft 305, the linkage rod 3032 can swing up and down with the connecting shaft 305 as the fulcrum, and at the same time transmit the force of the fan head 10 oscillating up and down to the force rod 304 and the support plate 201.

[0035] Furthermore, the linkage rod 3032 has an arc-shaped portion 30321 on the side facing the rear shell 11 of the fan head 10. The arc-shaped portion 30321 of the linkage rod 3032 can be coordinated with the position arrangement of the fan head 10's blower motor, thus preventing the linkage rod 3032 from colliding with the blower motor or the rear shell 11 of the fan head 10 during swinging. Additionally, the linkage rod 3032 has protruding ribs 30322 on both sides, and the protruding ribs 30322 extend along the length of the linkage rod 3032. By providing protruding ribs 30322 on both sides of the linkage rod 3032, the structural strength and load-bearing capacity of the linkage rod 3032 can be improved, further enhancing the pitch adjustment quality of the pitch mechanism 30 on the fan head 10.

[0036] Specifically, the force-bearing rod 304 is configured as a single rod, extending horizontally, with its left and right ends correspondingly connected to the two support plates 201 of the oscillating bracket 20. Then, one end of the linkage rod 3032 of the linkage structure 303 is movably connected to the center position of the force-bearing rod 304 in the horizontal direction.

[0037] Therefore, when the oscillating motor 301 drives the fan head 10 to oscillate up and down, the force generated can be concentrated and distributed to the two support plates 201 through the connecting rod structure 303 and the force-bearing rod 304; thus achieving the effect of uniform and balanced force on the left and right sides of the oscillating bracket 20, avoiding tilting, shaking and wear of the fan head 10 and the oscillating bracket 20, slowing down the aging of the fan component structure, thereby improving the smoothness and stability of the fan head 10 oscillating up and down, and extending the service life of the fan.

[0038] Therefore, by centering the force-bearing rod 304 between the two support plates 201, and centering the drive rod 3031 and linkage rod 3032 of the linkage structure 303 on the back side of the fan head 10, the force generated when the oscillating motor 301 drives the fan head 10 to oscillate up and down can be concentrated and distributed to the two support plates 201 through the drive rod 3031, linkage rod 3032 and force-bearing rod 304.

[0039] Compared to previous fan implementations where one end of the vertical oscillation linkage was only connected to one side plate of the left and right oscillation brackets, and the force of the vertical oscillation linkage was only applied to one side of the left and right oscillation brackets, the embodiments of this application can achieve a uniform and balanced force on both sides of the oscillation bracket 20 through the optimized setting of the pitch mechanism 30. This avoids tilting, shaking, and wear of the fan head 10 and the oscillation bracket 20, slows down the aging of the fan component structure, and thus improves the smoothness and stability of the vertical oscillation of the fan head 10, and extends the service life of the fan.

[0040] Second embodiment

[0041] The difference between this embodiment and the first embodiment is that the way the force-bearing rod 304 is set is different, while the rest are the same, and will not be described again here.

[0042] The force-bearing rod 304 has at least two members, which are arranged in an inverted V-shape. Therefore, the upper ends of the two force-bearing rods 304 are inclined upwards and close to each other, while the lower ends are far apart. The upper ends of the two force-bearing rods 304 are inclined and connected by a connecting shaft 305. The lower ends of the two force-bearing rods 304 are respectively connected to the bent portions 2011 of the support plate 201, and the inverted V-shaped force-bearing rods 304 are centrally positioned between the two support plates 201. By centrally positioning the force-bearing rods 304 between the two support plates 201 and connecting their lower ends to the bent portions 2011 of the support plate 201, the force-bearing rods 304 can be more stably connected to the support plate 201, thereby improving the structural stability between the support plate 201 and the force-bearing rods 304.

[0043] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. An electric pitching fan, characterized in that, The device includes a fan head, an oscillating bracket, and a pitching mechanism. The oscillating bracket has two support plates, which are symmetrically and movably connected to the left and right sides of the rear shell of the fan head. The pitching mechanism includes an oscillating motor, a connecting rod structure, and a force-bearing rod. The oscillating motor is located on the back side of the rear shell of the fan head. The force-bearing rod is centrally located between the two support plates. One end of the connecting rod structure is connected to the output end of the oscillating motor, and the other end of the connecting rod structure is movably connected to the force-bearing rod.

2. The electric pitch fan as described in claim 1, characterized in that, One force-bearing rod is arranged horizontally, and the left and right ends of the force-bearing rod are correspondingly connected to the two support plates of the swaying bracket; the connecting rod structure is movably connected to the center position of the force-bearing rod in the horizontal direction.

3. The electric pitch fan as described in claim 1, characterized in that, The force-bearing rod has two members, one end of which is connected to the support plate respectively, and the other end of the two force-bearing rods is inclined upwards and the inclined end is movably connected to the connecting rod structure.

4. The electric pitch fan as described in claim 3, characterized in that, The middle portions of the two support plates are bent in opposite directions to form 45° bends, so that the distance between the upper ends of the two support plates is greater than the distance between their lower ends, and the force-bearing rod connects to the bends of the support plates.

5. The electric pitch fan as described in claim 3, characterized in that, A connecting shaft is provided on the inclined end of the force-bearing rod, and a connecting hole is provided at the end of the connecting rod structure that connects to the force-bearing rod. The connecting rod structure is movably sleeved with the connecting shaft through the connecting hole.

6. The electric pitch fan as described in claim 5, characterized in that, The linkage structure has a drive rod and a linkage rod, the drive rod and the linkage rod are hinged to each other, and the drive rod is driven to the oscillating motor. The linkage rod is movably sleeved on the connecting shaft through a connecting hole.

7. The electric pitch fan as described in claim 6, characterized in that, The drive rod is connected to the output end of the oscillating motor and is positioned in the center of the back side of the rear shell.

8. The electric pitch fan as described in claim 6, characterized in that, The linkage rod has an arc-shaped portion, and the arc-shaped portion of the linkage rod faces the rear shell.

9. The electric pitch fan as described in claim 6, characterized in that, The linkage rod has raised ribs on both sides, and the raised ribs extend along the length of the linkage rod.

10. The electric pitch fan as described in any one of claims 1-9, characterized in that, The pitching mechanism has a motor mount, and the oscillating motor is fixedly mounted on the rear shell of the fan head via the motor mount.

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