Pitching swinging head driving mechanism

Abstract

The utility model provides a pitching swing head driving mechanism. The pitching swing head driving mechanism comprises a footstool, a first supporting frame, a second supporting frame, a motor and a fan blade support. A driving assembly is arranged in the fan blade support, a transmission assembly is arranged between the fan blade support and the first supporting frame and between the fan blade support and the second supporting frame, the transmission assembly comprises a first shaft sleeve, a second shaft sleeve and a rotating shaft, and a fixing structure used for fixedly connecting the first supporting frame and the second supporting frame is arranged on the rotating shaft. According to the pitching swing head driving mechanism, after lubricating oil is smeared on the first shaft sleeve and the second shaft sleeve, the rotating shaft is embedded into the first shaft sleeve and the second shaft sleeve, and the fan blade support is rotationally connected with the first supporting frame and the second supporting frame through the first shaft sleeve and the second shaft sleeve; therefore, the operation that the fan blade support is driven by the driving assembly to drive the fan blades to swing in a pitching mode relative to the footstool is achieved, and the situation of hard friction in the head pitching and swinging process is effectively avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of household appliances, and in particular relates to a pitch and swing head driving mechanism. Background Art

[0002] Among the pitch-swing fans currently on the market, the pitch-swing heads are all implemented using a hard friction structure, which makes the product prone to abnormal noise and wear, affecting its service life. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings of the existing pitch swing fans currently on the market, in which the pitch swing heads are all implemented by a hard friction structure, which causes the product to easily produce abnormal noise and wear and tear, affecting the service life, and to provide a pitch swing head drive mechanism.

[0004] The technical solution adopted by the utility model to solve the technical problem is: a pitch and swing head driving mechanism for driving the fan blades to pitch and swing up and down, comprising a foot platform, a first support frame and a second support frame arranged on the foot platform and used for rotating the fan blades and connected to the foot platform, a motor for driving the fan blades to rotate, and a fan blade bracket for mounting the motor;

[0005] A driving assembly for driving the fan blades to pitch and swing relative to the foot platform is provided in the fan blade bracket, and a transmission assembly for transmission connection with the driving assembly is provided between the fan blade bracket and the first support frame and the second support frame. The transmission assembly includes a first shaft sleeve and a second shaft sleeve and a rotating shaft respectively provided on both sides of the fan blade bracket, and a fixing structure for fixedly connecting the first support frame and the second support frame is provided on the rotating shaft.

[0006] Furthermore, the drive assembly includes a drive bracket, the first sleeve and the second sleeve are fixed on the fan blade bracket, the rotating shaft passes through the outside of the fan blade bracket and is embedded in the first sleeve and the second sleeve, and the fan blade bracket is rotatably connected to the rotating shaft through the first sleeve and the second sleeve.

[0007] Furthermore, the fixing structure is a buckle, a first fixing groove is provided on the rotating shaft, and a second fixing groove is provided on the first support frame and the second support frame, and the buckle is clamped and fixed between the first fixing groove and the second fixing groove to fix the rotating shaft to the first support frame and the second support frame.

[0008] Furthermore, the drive assembly also includes a drive motor fixed on the drive bracket, a small gear sleeved on the output shaft of the drive motor, and a large gear arranged in the fan blade bracket and transmission connected to the small gear.

[0009] Furthermore, the driving bracket is also provided with a plurality of transmission gear teeth, and the large gear includes external gear teeth for meshing and transmitting with the small gear and a damping gear for meshing and transmitting with the transmission gear teeth.

[0010] Furthermore, a first fixing hole is provided on the outer gear teeth of the large gear, and a second fixing hole is provided on the rotating shaft. The locking member passes through the first fixing hole and is locked in the second fixing hole of the rotating shaft to fix the large gear to the rotating shaft.

[0011] Furthermore, a third fixing hole is provided on the driving motor, and a locking member passes through the third fixing hole on the driving motor and is locked in the fan blade bracket, so that the driving motor is fixedly connected to the driving bracket.

[0012] Furthermore, the first support frame includes a first support rod and a first support cover, and the first support rod is provided with a first clamping groove for the first support cover to be embedded in.

[0013] Furthermore, the second support frame includes a second support rod and a second support cover, and the second support rod is provided with a second clamping groove for the second support cover to be embedded in.

[0014] The beneficial effect of the pitch and swing head drive mechanism provided by the utility model is that after applying lubricating oil to the first sleeve and the second sleeve, the rotating shaft is embedded in the first sleeve and the second sleeve, and the fan blade bracket is rotatably connected to the first support frame and the second support frame through the first sleeve and the second sleeve, thereby realizing the operation of using the driving component to drive the fan blade bracket to drive the fan blade to pitch and swing relative to the foot platform and effectively avoiding the occurrence of hard friction in the process of pitching and swinging the head, while effectively ensuring the concentricity between the driving component, the transmission component and the first support frame and the second support frame, thereby further avoiding abnormal noise and wear during the swinging process, and improving the service life of the fan using the pitch and swing head drive mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is an exploded schematic diagram of the pitch head drive mechanism provided by the present invention;

[0016] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0017] Figure 3 This is a schematic structural diagram of the large gear and the rotating shaft in the pitch head drive mechanism provided by the present invention;

[0018] Figure 4 for Figure 1 A partial enlarged view of point B in the middle;

[0019] Figure 5This is a cross-sectional view of the assembly structure of the pitch head drive mechanism provided by the present invention;

[0020] In the picture:

[0021] 100-Pitch head drive mechanism,

[0022] 10- footstool, 11- first support frame, 111- first support rod, 112- first support cover,

[0023] 12-second support frame, 121-second support rod, 122-second support cover, 13-motor bracket,

[0024] 14-motor, 15-fan blade, 16-second fixing slot, 20-drive assembly, 21-drive bracket,

[0025] 211-damping gear, 22-driving motor, 221-third fixing hole, 23-small gear, 24-large gear, 241-outer gear, 242-transmission gear, 243-first fixing hole, 30-transmission assembly, 31-rotating shaft, 311-second fixing hole, 312-first fixing groove, 32-first shaft sleeve, 33-second shaft sleeve, 40-strand. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] See also Figure 1-5, a pitch and swing head drive mechanism 100 provided by the utility model, which includes a foot platform 10, a first support frame 11 and a second support frame 12 arranged on the foot platform 10 and used to rotate the fan blades 15 connected to the foot platform 10, a motor 14 for driving the fan blades 15 to rotate, and a fan blade bracket 13 for installing the motor 14; a driving component 20 for driving the fan blades 15 to pitch and swing relative to the foot platform 10 is arranged in the fan blade bracket 13, and a transmission component 30 for transmission connection with the driving component 20 is arranged between the fan blade bracket 13 and the first support frame 11 and the second support frame 12, and the transmission component 30 includes a first shaft sleeve 32 and a second shaft sleeve 33 respectively arranged on both sides of the fan blade bracket 13 and a rotating shaft 31, and a fixing structure for fixedly connecting the first support frame 11 and the second support frame 12 is provided on the rotating shaft 31. In the embodiment provided by the present invention, the strand 40 is passed through the rotating shaft 31, and after passing through the rotating shaft 31, it is connected to the control panel in the first support frame 11 and the second support frame 12, thereby realizing the operation of embedding the strand 40 in the first support frame 11 and the second support frame 12, thereby effectively avoiding the situation where the pitch and swing heads of the fan blades 15 are affected by the exposure of the strand 40, thereby improving the overall aesthetics of the pitch and swing head drive mechanism 100. The pitch and swing head drive mechanism 100 provided by the present invention is to embed the rotating shaft 31 into the first and second shaft sleeves 32 and 33 after applying lubricating oil to the first and second shaft sleeves 32 and 33, and to rotatably connect the fan blade bracket 13 with the first support frame 11 and the second support frame 12 through the first and second shaft sleeves 32 and 33, thereby realizing the operation of using the drive component 20 to drive the fan blade bracket 13 to drive the fan blade 15 to pitch and swing relative to the foot platform 10 and effectively avoid the occurrence of hard friction during the pitch and swing head process, while effectively ensuring the concentricity between the drive component 20, the transmission component 30 and the first support frame 11 and the second support frame 12, thereby further avoiding abnormal noise and wear during the swing head process, and improving the service life of the fan using the pitch and swing head drive mechanism 100. In addition, by using a fixed structure to fix the rotating shaft 31 with the first support frame 11 and the second support frame 12, the stability of the fixed connection between the rotating shaft 31 and the first support frame 11 and the second support frame 12 can be effectively guaranteed, thereby further ensuring the concentricity between the drive assembly 20, the transmission assembly 30 and the first support frame 11 and the second support frame 12.

[0028] like Figure 1 、 Figure 2 and Figure 3As shown, in the embodiment provided by the present invention, the drive assembly 20 includes a drive bracket 21, a first shaft sleeve 32 and a second shaft sleeve 33 fixed on the blade bracket 13, a rotating shaft 31 extending from the outside of the blade bracket 13 and embedded in the first shaft sleeve 32 and the second shaft sleeve 33, and the blade bracket 13 is rotatably connected to the rotating shaft 31 through the first shaft sleeve 32 and the second shaft sleeve 33. After the oil storage tanks of the first shaft sleeve 32 and the second shaft sleeve 33 are filled with lubricating oil, the rotating shaft 31 is extended from the outside of the blade bracket 13 and embedded in the first shaft sleeve 32 and the second shaft sleeve 33, so that the blade bracket 13 is rotatably connected to the first support frame 11 and the second support frame 12 through the first shaft sleeve 32 and the second shaft sleeve 33, thereby effectively avoiding the hard friction between the rotating shaft 31 and the first shaft sleeve 32 and the second shaft sleeve 33 during the process of the drive assembly 20 driving the blade bracket 13 to drive the blades 15 to pitch and swing, thereby avoiding abnormal noise and wear during the swing process, and improving the service life of the fan using the pitch and swing drive. In the embodiment provided by the present utility model, the fixing structure is a buckle 40, a first fixing groove 311 is provided on the rotating shaft 31, and a second fixing groove 16 is provided on the first support frame 11 and the second support frame 12. The buckle 40 is clamped and fixed between the first fixing groove 311 and the second fixing groove 16 to fix the rotating shaft 31 to the first support frame 11 and the second support frame 12, thereby effectively ensuring the stability of the fixed connection between the rotating shaft 31 and the first support frame 11 and the second support frame 12, and then ensuring the concentricity between the driving component 20, the transmission component 30 and the first support frame 11 and the second support frame 12 by utilizing the rotating shaft 31.

[0029] like Figure 1 、 Figure 2 and Figure 4As shown, the drive assembly 20 also includes a drive motor 22 fixed to the drive bracket 21, a pinion 23 sleeved on the output shaft of the drive motor 22, and a large gear 24 disposed in the fan bracket 13 and drivingly connected to the pinion 23. A first fixing hole 312 is provided on the outer gear teeth 241 of the large gear 24, and a second fixing hole is provided on the rotating shaft 31. A locking member passes through the first fixing hole 312 and is locked in the second fixing hole of the rotating shaft 31, thereby fixing the large gear 24 to the rotating shaft 31. In the embodiment provided by the present invention, the large gear 24 in the drive assembly 20 is passed through the first fixing hole 312 on the large gear 24 and locked in the second fixing hole of the rotating shaft 31 by using locking members such as bolts, studs and pins, so that the large gear 24 is fixedly connected to the rotating shaft 31, and then fixedly connected to the first support frame 11 and the second support frame 12 through the rotating shaft 31, so that the drive motor 22 drives the small gear 23 to engage with the outer gear teeth 241 of the large gear 24 and drive the fan blades 15 to pitch and swing relative to the foot platform 10 through the fan blade bracket 13 under the action of the reaction force. In the embodiment provided by the present invention, the stroke set by the outer gear teeth 241 set on the large gear 24 can effectively limit the angle of pitch and swing of the fan blades 15 relative to the foot platform 10 by the drive assembly 20 driving the fan blade bracket 13, thereby improving the control accuracy of the pitch and swing head drive mechanism 100.

[0030] like Figure 1 and Figure 2 As shown, in the embodiment provided by the present invention, a plurality of damping gears 211 are further provided on the driving bracket 21, and the large gear 24 includes outer gear teeth 241 for meshing and transmitting with the pinion gear 23, and transmission gear teeth 242 for meshing and transmitting with the transmission gear teeth 242. By meshing and transmitting the plurality of damping gears 211 provided on the driving bracket 21 with the transmission gear teeth 242 on the large gear 24, the transmission gap between the fan blade bracket 13 and the fan blade 15 during the pitch and roll head movement when the driving motor 22 drives the pinion gear 23 under the action of the reaction force of the large gear 24 can be effectively eliminated, thereby further ensuring the stability of the pitch and roll head movement of the fan blade 15 driven by the driving assembly 20, avoiding abnormal noise and wear during the pitch and roll head movement, and improving the service life of the fan using the pitch and roll head driving mechanism 100.

[0031] like Figure 2 and Figure 5As shown, the drive motor 22 is provided with a third fixing hole 221, and the locking member passes through the third fixing hole 221 on the drive motor 22 and is locked in the drive bracket 21, so that the drive motor 22 is fixedly connected to the drive bracket 21. The first support frame 11 includes a first support rod 111 and a first support cover 112, and the first support rod 111 is provided with a first clamping groove for the first support cover 112 to be embedded. The second support frame 12 includes a second support rod 121 and a second support cover 122, and the second support rod 121 is provided with a second clamping groove for the second support cover 122 to be embedded. By using locking members such as bolts, studs and pins to pass through the third fixing hole 221 on the drive motor 22 and lock it in the drive bracket 21, the stability of the fixed connection between the drive motor 22 and the drive bracket 21 can be effectively guaranteed, thereby ensuring the stability of the pitch and swing head of the fan blade bracket 13 driven by the drive motor 22 through the drive bracket 21. In the embodiment provided by the present invention, after the strand 40 is inserted into the rotating shaft 31, passes through the first support rod 111 and the second support rod 121 and is fixed in the wire clamping groove, the first support cover 112 is fixed to the first support cover 112 through the first clamping groove, and the second support cover 122 is fixed to the second support rod 121 through the second clamping groove, thereby realizing the operation of embedding the strand 40 into the first support frame 11 and the second support frame 12, thereby effectively avoiding the situation where the pitch and swing heads of the fan blades 15 are affected by the exposure of the strand 40, thereby improving the overall aesthetics of the pitch and swing head drive mechanism 100.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A pitching and swinging head driving mechanism for driving a fan blade (15) to pitch and swing up and down, characterized in that: The invention comprises a foot platform (10), a first support frame (11) and a second support frame (12) arranged on the foot platform (10) and used for rotating the fan blades (15) connected to the foot platform (10), a motor (14) for driving the fan blades (15) to rotate, and a fan blade bracket (13) for mounting the motor (14); A driving assembly (20) for driving the blade (15) to pitch and swing relative to the foot platform (10) is provided in the blade bracket (13); a transmission assembly (30) for transmission connection with the driving assembly (20) is provided between the blade bracket (13) and the first support frame (11) and the second support frame (12); the transmission assembly (30) comprises a first shaft sleeve (32) and a second shaft sleeve (33) respectively provided on both sides of the blade bracket (13) and a rotating shaft (31); a fixing structure for fixedly connecting the first support frame (11) and the second support frame (12) is provided on the rotating shaft (31).

2. A pitch head drive mechanism according to claim 1, characterized in that: The driving assembly (20) includes a driving bracket (21), the first shaft sleeve (32) and the second shaft sleeve (33) are fixed on the fan blade bracket (13), the rotating shaft (31) passes through the outside of the fan blade bracket (13) and is embedded in the first shaft sleeve (32) and the second shaft sleeve (33), and the fan blade bracket (13) is rotatably connected to the rotating shaft (31) through the first shaft sleeve (32) and the second shaft sleeve (33).

3. A pitch head drive mechanism according to claim 2, characterized in that: The fixing structure is a buckle (40), a first fixing groove (312) is provided on the rotating shaft (31), and a second fixing groove (16) is provided on the first support frame (11) and the second support frame (12), and the buckle (40) is clamped and fixed between the first fixing groove (312) and the second fixing groove (16), so that the rotating shaft (31) is fixedly connected to the first support frame (11) and the second support frame (12).

4. The pitch head drive mechanism according to claim 2, wherein: The drive assembly (20) further comprises a drive motor (22) fixed to the drive bracket (21), a small gear (23) sleeved on the output shaft of the drive motor (22), and a large gear (24) arranged in the fan blade bracket (13) and transmission-connected to the small gear (23).

5. The pitch head driving mechanism according to claim 4, characterized in that: The driving bracket (21) is also provided with a plurality of damping gears (211), and the large gear (24) includes outer gear teeth (241) for meshing with the small gear (23) for transmission, and transmission gear teeth (242) for meshing with the damping gear (211) for transmission.

6. The pitch head driving mechanism according to claim 5, wherein: A first fixing hole (243) is provided on the outer gear teeth (241) of the large gear (24), and a second fixing hole (311) is provided on the rotating shaft (31). A locking member passes through the first fixing hole (243) and is locked in the second fixing hole (311) of the rotating shaft (31), so that the large gear (24) is fixedly connected to the rotating shaft (31).

7. The pitch head driving mechanism according to claim 4, wherein: A third fixing hole (221) is provided on the driving motor (22), and a locking member passes through the third fixing hole (221) on the driving motor (22) and is locked in the fan blade bracket (13), so that the driving motor (22) is fixedly connected to the driving bracket (21).

8. The pitch head driving mechanism according to claim 1, wherein: The first support frame (11) comprises a first support rod (111) and a first support cover (112); the first support rod (111) is provided with a first clamping groove for the first support cover (112) to be embedded.

9. The pitch head driving mechanism according to claim 1, wherein: The second support frame (12) comprises a second support rod (121) and a second support cover (122); the second support rod (121) is provided with a second clamping groove for the second support cover (122) to be embedded.

Images