Fan swing angle adjustment device

Abstract

The present invention discloses a fan shaking angle adjustment device, comprising: a mounting shell, provided with a first through hole; a rotating rod, connected to the mounting shell through a universal ball, one end of the rotating rod is passed through the first through hole; a first driving assembly, mounted on the rotating rod and used to drive the rotating rod to rotate; an adjusting assembly, movably arranged on the mounting shell, the adjusting assembly comprises a second driving member and a connecting member, the other end of the rotating rod is fixedly connected to the connecting member, the second driving member is connected to the connecting member and drives the connecting member to move to adjust the angle between the center line of the rotating rod and the center line of the first through hole. One end of the rotating rod is passed through the first through hole, the rotating rod is driven to rotate by the first driving assembly, and the second driving member drives the connecting member to adjust the angle between the center line of the rotating rod and the center line of the first through hole, so that the shaking angle of the fan can be adjusted to meet the diverse usage needs of users.

Description

Technical Field

[0001] The invention relates to the technical field of fans, and in particular to a fan shaking angle adjustment device. Background Art

[0002] When the fan head of the oscillating fan is oscillating, the fan blades inside the fan head are rotating around the axis. Usually, the oscillating motion and the rotating motion are driven in sequence by two motors, the first motor is used to drive the second motor to oscillate, and the second motor is used to drive the fan to rotate. However, the oscillating angle of the existing fans is single and cannot be adjusted, which cannot meet the diverse needs of users. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a fan sway angle adjustment device, which can quickly adjust the sway angle of the fan to meet the diverse usage needs of users.

[0004] According to an embodiment of the present invention, a fan shaking angle adjustment device includes: a mounting shell, provided with a first through hole; a rotating rod, connected to the mounting shell through a universal ball, the rotating rod is used to be fixedly connected to the fan blade, and one end of the rotating rod is passed through the first through hole; a first driving component, installed on the rotating rod and used to drive the rotating rod to rotate; an adjusting component, movably arranged on the mounting shell, the adjusting component includes a second driving member and a connecting member, the other end of the rotating rod is fixedly connected to the connecting member, the second driving member is connected to the connecting member and drives the connecting member to move to adjust the angle between the center line of the rotating rod and the center line of the first through hole.

[0005] The fan shaking angle adjustment device according to the embodiment of the present invention has at least the following beneficial effects: one end of the rotating rod is passed through the first through hole, the rotating rod is driven to rotate by the first driving component, and the second driving member drives the connecting member to adjust the angle between the center line of the rotating rod and the center line of the first through hole, so as to adjust the shaking angle of the fan to meet the diverse usage requirements of users.

[0006] According to the fan swing angle adjustment device of the present invention, the second driving member is a driving motor, a driving shaft of the driving motor is drivingly connected to the mounting shell, and a motor shell of the driving motor is fixedly connected to the connecting member.

[0007] According to the fan shaking angle adjustment device of the present invention, a first screw connection is arranged in the mounting shell, and the driving shaft of the driving motor is fixedly connected with a second screw connection matching the first screw connection. One side of the first screw connection abuts against the mounting shell and is provided with an arc surface for facilitating the rotation of the first screw connection, and the other side is threadedly connected to the second screw connection.

[0008] According to the fan swing angle adjustment device of the present invention, the first screw connection member is provided with an internal thread, the second screw connection member is a screw rod, the first screw connection member is screwed to the screw rod, and the connecting member is sleeved on the first screw connection member.

[0009] According to the fan shaking angle adjustment device of the present invention, the motor housing of the driving motor is square, the connecting member is provided with a mounting groove matching the shape of the motor housing, and the motor housing is plugged into the mounting groove.

[0010] According to the fan shaking angle adjustment device of the present invention, the rotating rod is provided with a wire passing groove, the connecting piece is provided with a wire passing hole connecting the installation groove and the wire passing groove, and the power cord of the driving motor is sequentially passed through the installation groove, the wire passing hole and the wire passing groove.

[0011] According to the fan shaking angle adjustment device of the present invention, an annular track is arranged in the mounting shell, the center line of the annular track coincides with the center line of the first through hole, and the connecting member is slidably arranged in the annular track.

[0012] According to the fan swing angle adjustment device of the present invention, the annular track is provided with a first convex ring and a second convex ring, and the first convex ring and the second convex ring are symmetrically arranged on both sides of the connecting member and abut against the connecting member.

[0013] According to the fan swing angle adjustment device of the present invention, a fastening nut is threadedly connected to the bottom of the rotating rod, and the connecting piece is threadedly connected to the rotating rod and fixed by the fastening nut.

[0014] According to the fan shaking angle adjustment device described in the present invention, the first driving component includes a mounting seat, a silicon steel sheet group, a magnet and a rotating shell, the silicon steel sheet group is fixedly connected to the mounting seat, the magnet is fixedly connected to the rotating shell, the silicon steel sheet group and the magnet are both annular, the magnet is sleeved on the silicon steel sheet group and is rotatably connected to the silicon steel sheet group, the rotating rod is inserted into the mounting seat and is rotatably connected to the mounting seat, the rotating rod is inserted into the rotating shell and is interference fit with the rotating shell, and the magnet cooperates with the silicon steel sheet group to drive the rotating rod to rotate.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 A cross-sectional view of a fan shaking angle adjustment device according to an embodiment of the present invention;

[0018] Figure 2 This is a diagram showing the internal structure of a mounting shell of a fan shaking angle adjustment device according to an embodiment of the present invention;

[0019] Figure 3 An exploded view of a fan shaking angle adjustment device according to an embodiment of the present invention;

[0020] Figure 4 The figure is a schematic diagram of the overall structure of the fan shaking angle adjustment device according to an embodiment of the present invention.

[0021] Description of Figure Numbers:

[0022] Mounting shell 100; first through hole 101; annular track 102; positioning plate 110; first convex ring 111; cover plate 120; second convex ring 121;

[0023] Rotating rod 200; wire groove 201; universal assembly 210; felt meson 211; universal ball 212; support member 213; fastening nut 220;

[0024] First driving assembly 300; mounting seat 310; rolling bearing 311; silicon steel sheet group 320; magnet 330; rotating shell 340;

[0025] Adjustment assembly 400 ; drive motor 410 ; connection member 420 ; mounting slot 421 ; wire hole 422 ; first screw connection member 430 ; arc surface 431 ; second screw connection member 440 . DETAILED DESCRIPTION

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., and orientations or positional relationships indicated are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the description of the present invention, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood as not including the number itself, and "above", "below", "within" etc. are understood as including the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0030] like Figure 1 , Figure 2 and Figure 4 As shown, the fan shaking angle adjustment device according to the embodiment of the present invention includes a mounting shell 100, a rotating rod 200, a first driving assembly 300 and an adjusting assembly 400, wherein the rotating rod 200 is connected to the mounting shell 100 through a universal assembly 210, the rotating rod 200 is used to be fixedly connected to the fan blade, and the first driving assembly 300 and the adjusting assembly 400 are both movably arranged on the mounting shell 100. Specifically, the mounting shell 100 is provided with a first through hole 101, one end of the rotating rod 200 is passed through the first through hole 101, the first driving assembly 300 is installed on the rotating rod 200 and is used to drive the rotating rod 200 to rotate, wherein along the center line direction of the rotating rod 200, the first driving assembly 300 is relatively fixed to the rotating rod 200. The adjusting assembly 400 is used to adjust the angle formed between the center line of the rotating rod 200 and the center line of the first through hole 101. Further, the adjustment assembly 400 includes a second driving member and a connecting member 420, the other end of the rotating rod 200 is fixedly connected to the connecting member 420, and the second driving member is connected to the connecting member 420 and drives the connecting member 420 to move to adjust the angle between the center line of the rotating rod 200 and the center line of the first through hole 101. In some embodiments, the first driving assembly 300 is an outer rotor motor, the middle part of the rotating rod 200 is inserted into the outer rotor motor and fixed to the rotor of the outer rotor motor, one end of the rotating rod 200 is inserted into the first through hole 101, and the other end is fixedly connected to the connecting member 420. In some embodiments, the first driving assembly 300 is a stepping motor, the rotating rod 200 is fixedly connected to the driving shaft of the stepping motor, or the rotating rod 200 is the driving shaft of the stepping motor, and the connecting member 420 is fixedly connected to the motor housing of the stepping motor.

[0031] It is easy to understand that one end of the rotating rod 200 is passed through the first through hole 101, and the rotating rod 200 is driven to rotate by the first driving component 300, and the second driving component drives the connecting component 420 to adjust the angle between the center line of the rotating rod 200 and the center line of the first through hole 101, so as to adjust the shaking angle of the fan to meet the diverse usage requirements of users.

[0032] In some embodiments of the present invention, Figure 1 As shown, the second driving member is a driving motor 410, the driving shaft of the driving motor 410 is transmission-connected with the mounting shell 100, and the motor shell of the driving motor 410 is fixedly connected with the connecting member 420. The driving motor 410 moves relative to the mounting shell 100, thereby driving the connecting member 420 to move, so as to achieve the angle adjustment of the rotating rod 200. Specifically, a first screw connector 430 is provided in the mounting shell 100, and the driving shaft of the driving motor 410 is fixedly connected with a second screw connector 440 matching the first screw connector 430, one side of the first screw connector 430 abuts against the mounting shell 100 and is provided with an arc surface 431 for facilitating the rotation of the first screw connector 430, and the other side is threadedly connected with the second screw connector 440. Through the threaded cooperation of the first screw connector 430 and the second screw connector 440, the structure is simple, and the driving motor 410 can conveniently adjust the deflection angle of the rotating rod 200 relative to the first through hole 101. In some embodiments, the first screw connector 430 is a screw sleeve, which is provided with an internal thread, and the second screw connector 440 is a screw rod, which is threadedly connected with the screw rod, and the connector 420 is sleeved on the first screw connector 430, and the first screw connector 430 guides the movement of the connector 420, so that the connector 420 can better move along the axis of the drive shaft of the drive motor 410. It is easy to understand that along the circumference of the motor shaft of the drive motor 410, the first screw connector 430 and the connector 420 can move relative to each other, for example, the first screw connector 430 is a cylindrical part. In some embodiments, along the circumference of the motor shaft of the drive motor 410, the first screw connector 430 and the connector 420 can be relatively fixed, and the first screw connector 430 is a square part.

[0033] In some embodiments of the present invention, Figure 1 and Figure 3As shown, the motor housing of the driving motor 410 is square, and the connecting member 420 is provided with a mounting groove 421 matching the shape of the motor housing. The motor housing is plugged into the mounting groove 421. The structure is simple and does not require screw connection. The driving motor 410 and the connecting member 420 are relatively fixed along the circumference of the driving shaft of the driving motor 410. Further, the rotating rod 200 is provided with a wire groove 201, and the connecting member 420 is provided with a wire hole 422 connecting the mounting groove 421 and the wire groove 201. The power cord of the driving motor 410 is sequentially passed through the mounting groove 421, the wire hole 422 and the wire groove 201. Therefore, when the rotating rod 200 rotates, the power cord of the driving motor 410 will not be entangled or knotted.

[0034] In some embodiments of the present invention, reference Figures 1 to 3 , an annular track 102 is provided in the mounting shell 100, the center line of the annular track 102 coincides with the center line of the first through hole 101, and the connecting member 420 is slidably provided in the annular track 102. When the center line of the rotating rod 200 coincides with the center line of the first through hole 101, the second screw member 440 abuts against the inner circumferential wall of the annular track 102 and slides in the annular track 102. By providing the annular track 102, the movement of the adjustment assembly 400 is more stable. In some embodiments, a positioning plate 110 and a cover plate 120 are connected to the inside of the mounting shell 100, and the inner wall of the positioning plate 110 and the inner wall of the cover plate 120 together form the annular track 102. Furthermore, the annular track 102 is provided with a first convex ring 111 and a second convex ring 121. Specifically, the positioning plate 110 is provided with a first convex ring 111, and the cover plate 120 is provided with a second convex ring 121. The first convex ring 111 and the second convex ring 121 are arranged at intervals in a direction parallel to the center line of the first through hole 101, wherein the first convex ring 111 and the second convex ring 121 are symmetrically arranged on both sides of the connecting member 420 and abut against the connecting member 420, and with the first convex ring 111 and the second convex ring 121 as fulcrums, the connecting member 420 can rotate relatively to adjust the angle between the center line of the rotating rod 200 and the center line of the first through hole 101.

[0035] In some embodiments of the present invention, reference Figure 1 , Figure 3 and Figure 4 The bottom of the rotating rod 200 is threadedly connected with a fastening nut 220, and the connecting piece 420 is threadedly connected to the rotating rod 200 and fixed by the fastening nut 220. The structure is simple, and the adjustment component 400 can be quickly fixed to the rotating rod 200.

[0036] Further, in some embodiments of the present invention, referring to Figures 1 to 3The first driving assembly 300 includes a mounting seat 310, a silicon steel sheet group 320, a magnet 330 and a rotating shell 340. The silicon steel sheet group 320 is used to drive the magnet 330 to rotate. For example, referring to the internal structure of the motor, the silicon steel sheet group 320 is equipped with a pair of static main magnetic poles with DC excitation. After power is turned on, an induced electromotive force is generated to drive the magnet 330 to rotate. Specifically, the silicon steel sheet group 320 is fixedly connected to the mounting seat 310, the magnet 330 is fixedly connected to the rotating shell 340, the silicon steel sheet group 320 and the magnet 330 are both annular, the magnet 330 is sleeved on the silicon steel sheet group 320 and is rotatably connected to the silicon steel sheet group 320, the rotating rod 200 is inserted into the mounting seat 310 and is rotatably connected to the mounting seat 310, the rotating rod 200 is inserted into the rotating shell 340 and is interference fit with the rotating shell 340, and the rotating rod 200 is driven to rotate through the cooperation between the magnet 330 and the silicon steel sheet group 320. For example, a rolling bearing 311 is installed in the mounting seat 310, and the rotating rod 200 is inserted into the inner ring of the rolling bearing 311. The rotating rod 200 is driven to rotate by an outer rotor motor, and the rotating rod 200 can pass through the first driving assembly 300, which is convenient for connection with the adjusting assembly 400, reducing the transition connection components between the first driving assembly 300 and the adjusting assembly 400, and making the connection more convenient.

[0037] In a further embodiment of the present invention, referring to Figures 1 to 3 The universal assembly 210 includes a felt meson 211, a universal ball 212 and a support member 213. The universal ball 212 is provided with a second through hole connected to the first through hole 101, the rotating rod 200 is passed through the second through hole, and the felt meson 211 and the support member 213 are sequentially embedded and installed in the mounting shell 100, and the universal ball 212 is installed in the mounting shell 100. Specifically, the felt meson 211 contains lubricating agent to lubricate the universal ball 212, and the support member 213 is provided with a support strip matching the shape of the universal ball 212, and the support member 213 is inserted into the mounting shell 100 and has an interference fit with the mounting shell 100.

[0038] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. Fan shaking angle adjustment device, characterized in that: include: A mounting shell is provided with a first through hole; A rotating rod, connected to the mounting shell via a universal ball, the rotating rod being used for being fixedly connected to the fan blade, and one end of the rotating rod being passed through the first through hole; A first driving assembly, mounted on the rotating rod and used to drive the rotating rod to rotate; an adjusting component, movably disposed on the mounting shell, the adjusting component comprising a second driving member and a connecting member, the other end of the rotating rod being fixedly connected to the connecting member, the second driving member being connected to the connecting member and driving the connecting member to move so as to adjust the angle between the center line of the rotating rod and the center line of the first through hole; The second driving member is a driving motor, a driving shaft of the driving motor is drivingly connected to the mounting shell, and a motor shell of the driving motor is fixedly connected to the connecting member; A first screw connection is arranged in the mounting shell, and a second screw connection matching the first screw connection is fixedly connected to the driving shaft of the driving motor. One side of the first screw connection abuts against the mounting shell and is provided with an arc surface for facilitating the rotation of the first screw connection, and the other side is threadedly connected to the second screw connection.

2. The fan swing angle adjustment device according to claim 1, characterized in that: The first threaded connector is provided with an internal thread, the second threaded connector is a screw rod, the first threaded connector is threadedly connected to the screw rod, and the connecting member is sleeved on the first threaded connector.

3. The fan swing angle adjustment device according to claim 1, characterized in that: The motor shell of the driving motor is square, the connecting piece is provided with a mounting groove matching the shape of the motor shell, and the motor shell is plugged into the mounting groove.

4. The fan swing angle adjustment device according to claim 3, characterized in that: The rotating rod is provided with a wire passing groove, the connecting piece is provided with a wire passing hole communicating with the mounting groove and the wire passing groove, and the power line of the driving motor is sequentially passed through the mounting groove, the wire passing hole and the wire passing groove.

5. The fan swing angle adjustment device according to claim 1 or 3, characterized in that: An annular track is arranged in the installation shell, the center line of the annular track coincides with the center line of the first through hole, and the connecting member is slidably arranged in the annular track.

6. The fan swing angle adjustment device according to claim 5, characterized in that: The annular track is provided with a first convex ring and a second convex ring, and the first convex ring and the second convex ring are symmetrically arranged on both sides of the connecting member and abut against the connecting member.

7. The fan swing angle adjustment device according to claim 1 or 4, characterized in that: The bottom of the rotating rod is threadedly connected with a fastening nut, and the connecting piece is threadedly connected to the rotating rod and fixed by the fastening nut.

8. The fan swing angle adjustment device according to claim 1, characterized in that: The first driving component includes a mounting seat, a silicon steel sheet group, a magnet and a rotating shell, the silicon steel sheet group is fixedly connected to the mounting seat, the magnet is fixedly connected to the rotating shell, the silicon steel sheet group and the magnet are both annular, the magnet is sleeved on the silicon steel sheet group and rotatably connected to the silicon steel sheet group, the rotating rod is inserted into the mounting seat and rotatably connected to the mounting seat, the rotating rod is inserted into the rotating shell and has an interference fit with the rotating shell, and the magnet cooperates with the silicon steel sheet group to drive the rotating rod to rotate.

Images