Double-head fan

Abstract

The utility model discloses a double-head fan which comprises a supporting rod, a connecting base is fixedly connected to the top end of the supporting rod, a double-head motor base is arranged on the connecting base, and the connecting base can drive the double-head motor base to rotate by 360 degrees through a rotating head shaking assembly. The two ends of the interior of the double-head motor base are each provided with a driving motor, and the outer side of the double-head motor base is provided with a fan head assembly capable of being driven by the driving motors. The electric fan with the double fan heads is designed, the rotary head shaking assembly capable of rotating by 360 degrees is designed and matched with the double fan heads, so that the air outlet range coverage is wider, the single fan head and the double fan heads can be flexibly switched to work, and use is more convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of fans, and particularly relates to a double-head fan. Background Art

[0002] The electric fan has the advantages of simple structure, convenient operation, low power consumption and low price, and has become one of the most commonly used household appliances for residents; an electric fan generally consists of a support base, a motor, fan blades and a protective cover, and is designed with a rotatable shaking function to flexibly and conveniently change the air outlet direction. The existing fans are generally single-head fans, and there is a significant angle problem in the shaking direction and they cannot achieve 360-degree rotating shaking. For this reason, the utility model proposes a double-head fan. Content of the Utility Model

[0003] The purpose of the utility model is to provide a double-head fan to solve the problems put forward in the above background art.

[0004] To achieve the above purpose, the utility model provides the following technical solution: a double-head fan, including a support rod, the top end of the support rod is fixedly connected with a connecting seat, a double-head motor seat is arranged on the connecting seat, the connecting seat can drive the double-head motor seat to make a 360-degree rotating movement through a rotating and shaking component, two driving motors are respectively installed at both ends inside the double-head motor seat, and fan head components that can be driven by the driving motors are respectively arranged on the outer sides of the double-head motor seat.

[0005] Preferably, the fan head component includes fan blades and a protective cover, the fan blades are located inside the protective cover, the protective cover is composed of a front net cover and a rear net cover closed by screws, the rear net cover is fixedly installed at the end of the double-head motor seat, the output rotating shaft of the double-head motor seat extends into the rear net cover movably, and the fan blades are fixedly installed on the output rotating shaft of the double-head motor seat.

[0006] Preferably, the rotating and shaking component includes a fixed seat fixedly installed inside the connecting seat, a rotating seat rotatably installed at the top end of the connecting seat, a mounting seat fixedly installed at the top of the rotating seat, and a shaking motor fixedly installed at the top of the mounting seat. A gear seat is relatively movably arranged inside the rotating seat, the bottom end of the gear seat movably passes through the rotating seat and is fixedly connected with the fixed seat, an internal gear is arranged inside the top of the gear seat, an extension rod is arranged at the bottom of the mounting seat, the extension rod passes through the rotating seat and extends into the fixed seat to be limited to rotate 360 degrees, the output shaft of the shaking motor extends to one side of the internal gear, and a driving gear is fixedly installed on the output shaft of the shaking motor. The driving gear is meshed with the internal gear for transmission, the bottom of the double-head motor seat is installed on the outside of the rotating seat, and the double-head motor seat rotates synchronously with the rotating seat.

[0007] Preferably, the double-headed motor base has a T-shaped structure, and heat dissipation holes for heat dissipation are provided on the double-headed motor base.

[0008] Preferably, a switch panel is embedded on the support rod, and a balance base for maintaining balance is installed at the bottom of the support rod.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: The present utility model designs an electric fan with double fan heads, and designs a rotating and shaking head assembly that can rotate 360 degrees. In cooperation with the double fan heads, the air outlet range is wider, and the single and double fan heads can be flexibly switched to work, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0011] Figure 2 is a schematic internal structure diagram of the present utility model;

[0012] Figure 3 is a schematic structure diagram of the present utility model after the protective cover and the fan blade are disassembled;

[0013] Figure 4 is a partial schematic structure diagram of the internal rotating and shaking head assembly of the present utility model;

[0014] Figure 5 is an exploded structure diagram of the rotating and shaking head assembly of the present utility model;

[0015] Figure 6 is a schematic external structure diagram of the assembled state of the rotating and shaking head assembly of the present utility model;

[0016] In the figure: 1. Support rod; 2. Balance base; 3. Connecting seat; 4. Double-headed motor base; 5. Front mesh cover; 6. Rear mesh cover; 7. Fan blade; 8. Shaking head motor; 9. Switch panel; 10. Driving motor; 11. Driving gear; 12. Gear seat; 13. Internal gear; 14. Fixed seat; 15. Rotating seat; 16. Mounting seat; 17. Extension rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1 to 6, a technical solution is provided: a dual-head fan, including a support rod 1, the top of the support rod 1 is fixedly connected with a connecting seat 3, a dual-head motor seat 4 is arranged on the connecting seat 3, and the connecting seat 3 can drive the dual-head motor seat 4 to make a 360-degree rotational movement through a rotating and shaking head assembly. At both ends inside the dual-head motor seat 4, a driving motor 10 is respectively installed, and on the outer sides of the dual-head motor seat 4, a fan head assembly that can be driven by the driving motor 10 is respectively arranged. In this embodiment, preferably, the fan head assembly includes a fan blade 7 and a protective cover. The fan blade 7 is located inside the protective cover. The protective cover is composed of a front mesh cover 5 and a rear mesh cover 6 closed by screws. The rear mesh cover 6 is fixedly installed at the end of the dual-head motor seat 4, and the output rotating shaft of the dual-head motor seat 4 extends into the rear mesh cover 6 movably, and the fan blade 7 is fixedly installed on the output rotating shaft of the dual-head motor seat 4. In this embodiment, preferably, the rotating and shaking head assembly includes a fixed seat 14 fixedly installed inside the connecting seat 3, a rotating seat 15 rotatably installed at the top of the connecting seat 3, a mounting seat 16 fixedly installed on the top of the rotating seat 15, and a shaking head motor 8 fixedly installed on the top of the mounting seat 16. A gear seat 12 is relatively movably arranged inside the rotating seat 15. The bottom end of the gear seat 12 movably passes through the rotating seat 15 and is fixedly connected with the fixed seat 14. An internal gear 13 is arranged on the inner side of the top of the gear seat 12. An extension rod 17 is arranged at the bottom of the mounting seat 16. The extension rod 17 passes through the rotating seat 15 and extends into the fixed seat 14 to be limited to rotate 360 degrees. The output shaft of the shaking head motor 8 extends to one side of the internal gear 13, and a driving gear 11 is fixedly installed on the output shaft of the shaking head motor 8. The driving gear 11 is in meshing transmission with the internal gear 13. The bottom of the dual-head motor seat 4 is installed on the outer side of the rotating seat 15, and the dual-head motor seat 4 rotates synchronously with the rotating seat 15, realizing the 360-degree rotation function of the dual-head motor seat 4. In this embodiment, preferably, the dual-head motor seat 4 is in a T-shaped structure, and heat dissipation holes for heat dissipation are arranged on the dual-head motor seat 4 for rapid heat dissipation. In this embodiment, preferably, a switch panel 9 is embedded in the support rod 1, which can be used to control the two driving motors 10 to work independently or synchronously respectively, and is also used to turn on and off the 360-degree rotation function. A balance base 2 for maintaining balance is installed at the bottom of the support rod 1, playing a role of stabilizing and balancing.

[0019] Although the embodiments of the present invention have been shown and described (see the above detailed description), for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double-head fan, comprising a support rod (1), characterized in that: The top end of the support rod (1) is fixedly connected to a connecting seat (3), and a double-headed motor seat (4) is arranged on the connecting seat (3). The connecting seat (3) can drive the double-headed motor seat (4) to rotate 360 ​​degrees by rotating an oscillating head assembly. A driving motor (10) is respectively installed at both ends of the inside of the double-headed motor seat (4), and a fan head assembly that can be driven by the driving motor (10) is respectively arranged on the outside of the double-headed motor seat (4).

2. A double-head fan according to claim 1, characterized in that: The fan head assembly comprises a fan blade (7) and a protective cover, wherein the fan blade (7) is located inside the protective cover, and the protective cover is composed of a front mesh cover (5) and a rear mesh cover (6) closed by screws, and the rear mesh cover (6) is fixedly mounted on the end of the double-headed motor base (4), and the output shaft of the double-headed motor base (4) is movably extended into the rear mesh cover (6), and the fan blade (7) is fixedly mounted on the output shaft of the double-headed motor base (4).

3. A double-head fan according to claim 1, characterized in that: The rotating shaking head assembly comprises a fixed seat (14) fixedly mounted on the inner side of the connecting seat (3), a rotating seat (15) rotatably mounted on the top of the connecting seat (3), a mounting seat (16) fixedly mounted on the top of the rotating seat (15), and a shaking head motor (8) fixedly mounted on the top of the mounting seat (16); a gear seat (12) is relatively movably arranged on the inner side of the rotating seat (15); the bottom end of the gear seat (12) movably passes through the rotating seat (15) and is fixedly connected to the fixed seat (14); an internal gear (13) is arranged on the inner side of the top of the gear seat (12) The bottom of the mounting seat (16) is provided with an extension rod (17), the extension rod (17) passes through the rotating seat (15) and extends to the fixed seat (14) to limit the rotation of 360 degrees, the output shaft of the shaking motor (8) extends to one side of the internal gear (13), and a driving gear (11) is fixedly installed on the output shaft of the shaking motor (8), and the driving gear (11) is meshed with the internal gear (13) for transmission, the bottom of the double-headed motor seat (4) is installed on the outer side of the rotating seat (15), and the double-headed motor seat (4) and the rotating seat (15) rotate synchronously.

4. A double-head fan according to claim 1, characterized in that: The double-headed motor seat (4) is in a T-shaped structure, and heat dissipation holes for heat dissipation are arranged on the double-headed motor seat (4).

5. A double-head fan according to claim 1, characterized in that: A switch panel (9) is embedded on the support rod (1), and a balancing base (2) for maintaining balance is installed at the bottom of the support rod (1).

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