Oscillating structure of air circulation fan

Abstract

The utility model relates to the technical field of circulating fans, and discloses a head shaking structure of an air circulating fan, which comprises a base and a bottom column fixedly arranged above the base. A rotating sleeve is movably installed on the upper portion of the bottom column, a supporting mechanism is movably connected to the upper portion of the rotating sleeve in a sleeving mode, a shell is rotatably installed on the upper portion of the supporting mechanism, and a double-shaft motor is fixedly installed on one side of the interior of the shell. After the double-shaft motor is started, the worm is driven to rotate, when the worm rotates, the worm wheel is driven to rotate, so that the small gear and the large gear are driven to rotate, then the rotating plate is driven to rotate, and finally the hinge block and the protective cover rotate around the supporting column back and forth, so that the head shaking effect is achieved. According to the device, the head shaking effect of the device is achieved through cooperation of the worm and the worm gear, cost increase caused by abrasion generated by adopting a bidirectional lead screw is avoided, and therefore the working efficiency of the device is improved, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to circulating fan technical field, more specifically, the utility model relates to a kind of head structure of air circulating fan. BACKGROUND

[0002] Air circulating fan is a kind of indoor air circulating article, also be called as "blender in air", the working principle of air circulating fan is by rotating fan blade to suck indoor air into machine, finally clear and cool air is blown out in spiral columnar wind form, forms air flow.This design makes air circulating fan can agitate indoor air, and indoor air forms convection circulation.

[0003] The head structure of air circulating fan is one of its important components, and it is of great significance to improve air circulation efficiency, expand air supply range and improve use comfort. Generally, the head mechanism is used by controlling the assembly to make the gear at one end of the bidirectional screw rod mesh with the gear of the motor output shaft, thereby driving the rotation of the bidirectional screw rod, and the reciprocating movement of the threaded block is driven by the bidirectional screw rod, and the air circulating fan is driven to swing by the connecting rod. However, since the bidirectional screw rod is severely worn during use, the use cost is high, and therefore it needs to be improved and optimized. SUMMARY

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a head structure of air circulating fan, which has the advantages of low cost and easy adjustment.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a head structure of air circulating fan, comprising a base, a bottom column, the bottom column is fixedly arranged above the base;

[0006] The upper side of the bottom column is movably installed with a rotating sleeve, the upper side of the rotating sleeve is movably sleeved with a supporting mechanism, the upper side of the supporting mechanism is rotatably installed with an outer shell, one side of the inner part of the outer shell is fixedly installed with a double-shaft motor, the upper side of the first transmission shaft of the double-shaft motor is fixedly installed with a worm, one side of the inner part of the outer shell is fixedly installed with a fixing frame, the upper side of the fixing frame is rotatably installed with a worm wheel, the bottom of the worm wheel penetrates through the upper and lower sides of the fixing frame and is fixedly installed with a pinion, the bottom of the inner side of the outer shell is fixedly installed with a sleeve, the upper side of the sleeve is rotatably installed with a large gear, the bottom of the large gear penetrates through the upper and lower sides of the sleeve and extends to the bottom of the outer shell, the bottom of the large gear is hingedly connected with a rotating plate, one end of the rotating plate is hingedly connected with a connecting rod, one end of the connecting rod is hingedly connected with a hinged block, one end of the outer shell is fixedly installed with a protective cover, the hinged block is fixedly connected with the protective cover, the worm wheel is in transmission connection with the worm, and the pinion is in meshing connection with the large gear.

[0007] As a preferred technical scheme of the utility model, the upper portion of the bottom column is fixedly installed with a threaded rod, the top end of the threaded rod extends to the inside of the supporting mechanism, a limiting sleeve is movably installed in the inside of the supporting mechanism, the side surface of the limiting sleeve extends to the outside of the support and is fixedly connected with a rotating sleeve, and the rotating sleeve is threadedly sleeved with the threaded rod.

[0008] As a preferred technical scheme of the utility model, the upper portion of the bottom column is fixedly installed with a threaded rod, the top end of the threaded rod extends to the inside of the supporting mechanism, a limiting sleeve is movably installed in the inside of the supporting mechanism, the side surface of the limiting sleeve extends to the outside of the support and is fixedly connected with a rotating sleeve, and the rotating sleeve is threadedly sleeved with the threaded rod.

[0009] As a preferred technical scheme of the utility model, the upper portion of the bottom column is fixedly installed with a threaded rod, the top end of the threaded rod extends to the inside of the supporting mechanism, a limiting sleeve is movably installed in the inside of the supporting mechanism, the side surface of the limiting sleeve extends to the outside of the support and is fixedly connected with a rotating sleeve, and the rotating sleeve is threadedly sleeved with the threaded rod.

[0010] As a preferred technical scheme of the utility model, the second transmission shaft of the double-shaft motor penetrates through one side of the shell and one side of the shell and is fixedly installed with a rotating shaft, and one end of the rotating shaft is fixedly installed with a fan blade.

[0011] As a preferred technical scheme of the utility model, the upper portion of the bottom column is fixedly installed with a threaded rod, the top end of the threaded rod extends to the inside of the supporting mechanism, a limiting sleeve is movably installed in the inside of the supporting mechanism, the side surface of the limiting sleeve extends to the outside of the support and is fixedly connected with a rotating sleeve, and the rotating sleeve is threadedly sleeved with the threaded rod.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] 1、 the utility model through starting double-shaft motor, drive the rotation of the worm, when the worm rotates and drives the rotation of the worm gear, thereby drive the rotation of the pinion and the gear, drive the rotation of the rotating plate, finally make the articulated block and the protective cover swing around the support column, realize the effect of shaking head, compared with the traditional device, the device reaches the effect of shaking head through the cooperation of the worm and the worm gear, avoids the cost increase caused by the wear of the bidirectional screw rod, thereby improve the working efficiency of the device, reduce the use cost.

[0014] 2、 the utility model through clockwise rotating rotating sleeve through the threaded connection drive rotating sleeve moves up, when rotating sleeve moves up and drive the limiting sleeve and the support rod move up, when the support rod moves up and make the support column move up, finally drive the shell and the protective cover move up, compared with the traditional device, the device is designed through the threaded rod, when using, can adjust the height of the device, thereby improve the adaptability of the device, improve the use range of the device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is structure schematic view of the utility model;

[0016] Figure 2 It is the internal structure schematic view of the support rod of the utility model;

[0017] Figure 3 It is the internal structure schematic view of the support rod of the utility model; Figure 2 It is the partial enlarged schematic view of A of the utility model;

[0018] Figure 4 It is the internal structure schematic view of the shell of the utility model;

[0019] Figure 5 It is the partial enlarged schematic view of B of the utility model; Figure 4 It is the partial enlarged schematic view of B of the utility model;

[0020] Figure 6 It is the structure schematic view of the fan blade of the utility model.

[0021] In the figure: 1, base; 2, bottom column; 3, threaded rod; 4, rotating sleeve; 5, limiting sleeve; 6, support rod; 7, support column; 8, shell; 9, double-shaft motor; 10, worm; 11, fixed frame; 12, worm wheel; 13, pinion; 14, sleeve; 15, large gear; 16, rotating plate; 17, connecting rod; 18, hinged block; 19, protective cover; 20, rotating shaft; 21, fan blade; 22, control assembly; 23, support shaft. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] As shown in Figures 1 to 6 The utility model provides a kind of head shaking structure of air circulation fan, including base 1, bottom column 2, bottom column 2 is fixedly arranged in the upper of base 1;

[0024] The upper part of the bottom column 2 is movably provided with a rotating sleeve 4, the upper part of the rotating sleeve 4 is movably sleeved with a supporting mechanism, the upper part of the supporting mechanism is rotatably provided with an outer shell 8, one side of the inner part of the outer shell 8 is fixedly provided with a double-shaft motor 9, the upper part of the first transmission shaft of the double-shaft motor 9 is fixedly provided with a worm 10, one side of the inner part of the outer shell 8 is fixedly provided with a fixing frame 11, the upper part of the fixing frame 11 is rotatably provided with a worm wheel 12, the bottom of the worm wheel 12 penetrates through the upper and lower sides of the fixing frame 11 and is fixedly provided with a pinion 13, the bottom of the inner part of the outer shell 8 is fixedly provided with a sleeve 14, the upper part of the sleeve 14 is rotatably provided with a large gear 15, the bottom of the large gear 15 penetrates through the upper and lower sides of the sleeve 14 and extends to the bottom of the outer shell 8, the bottom of the large gear 15 is hingedly provided with a rotating plate 16, one end of the rotating plate 16 is hingedly provided with a connecting rod 17, one end of the connecting rod 17 is hingedly provided with a hinged block 18, one end of the outer shell 8 is fixedly provided with a protective cover 19, the hinged block 18 is fixedly connected with the protective cover 19, the worm wheel 12 is in transmission connection with the worm 10, and the pinion 13 is in meshing connection with the large gear 15.

[0025] When the staff uses it, first, the double-shaft motor 9 is started, then the control assembly 22 is opened, when the double-shaft motor 9 is started, the rotation of the worm 10 is driven, when the worm 10 rotates, the rotation of the worm wheel 12 is driven, when the worm wheel 12 rotates, the rotation of the pinion 13 is driven, when the pinion 13 rotates, because the pinion 13 and the large gear 15 are in meshing connection with each other, so the rotation of the large gear 15 is driven along with the rotation of the pinion 13, when the large gear 15 rotates, the rotation of the rotating plate 16 is driven, thereby the one end of the connecting rod 17 is driven to rotate through the rotation of the rotating plate 16, so that the hinged block 18 and the protective cover 19 are driven to rotate back and forth around the supporting column 7, the effect of shaking head is achieved.

[0026] After the double-shaft motor 9 is started, the rotation of the worm 10 is driven, when the worm 10 rotates, the rotation of the worm wheel 12 is driven, thereby the rotation of the pinion 13 and the large gear 15 is driven, and the rotation of the rotating plate 16 is further driven, finally the hinged block 18 and the protective cover 19 are driven to rotate back and forth around the supporting column 7, the effect of shaking head is realized, compared with the traditional device, the device reaches the effect of shaking head through the cooperation of the worm 10 and the worm wheel 12, avoids the cost increase caused by the abrasion of the bidirectional screw rod, thereby the working efficiency of the device is improved and the use cost is reduced.

[0027] The upper part of the bottom column 2 is fixedly provided with a threaded rod 3, the top end of the threaded rod 3 extends to the inside of the supporting mechanism, the inside of the supporting mechanism is movably provided with a limiting sleeve 5, the side of the limiting sleeve 5 extends to the outside of the support and is fixedly connected with the rotating sleeve 4, the rotating sleeve 4 is threadedly sleeved with the threaded rod 3.

[0028] When the staff uses it, the staff first rotates the rotating sleeve 4 clockwise, when the rotating sleeve 4 is rotated, since the connecting part of the rotating sleeve 4 and the threaded rod 3 is provided with threads, the rotating sleeve 4 will move upwards with the rotation of the rotating sleeve 4, when the rotating sleeve 4 moves upwards, the limiting sleeve 5 will move upwards, when the limiting sleeve 5 moves upwards, the supporting rod 6 will move upwards, when the supporting rod 6 moves upwards, the supporting column 7 will move upwards, thereby driving the shell 8 and the protective cover 19 to move upwards.

[0029] The rotating sleeve 4 is rotated clockwise to drive the rotating sleeve 4 to move upwards through threaded connection, when the rotating sleeve 4 moves upwards, the limiting sleeve 5 and the supporting rod 6 will move upwards, when the supporting rod 6 moves upwards, the supporting column 7 will move upwards, finally driving the shell 8 and the protective cover 19 to move upwards, compared with the traditional device, the device is designed through the threaded rod 3, so that the device can adjust different heights when used, thereby improving the adaptability of the device and improving the use range of the device.

[0030] The upper portion of the shell 8 movably installs a control assembly 22, and the bottom of the control assembly 22 extends to the inside of the shell 8 and movably connects with the worm wheel 12.

[0031] Through the design of the control assembly 22, when the control assembly 22 is pressed, the rotation of the worm 10 drives the rotation of the worm wheel 12.

[0032] The supporting mechanism comprises a supporting rod 6 movably sleeved on the upper portion of the rotating sleeve 4, a supporting column 7 fixedly installed on the upper portion of the supporting rod 6, the supporting column 7 being fixedly connected with the shell 8, the supporting rod 6 being movably sleeved with the threaded rod 3, and the supporting rod 6 being movably connected with the limiting sleeve 5.

[0033] Through the design of the supporting rod 6 and the supporting column 7, the upper portion of the device is supported, and the stability of the device is improved.

[0034] The second transmission shaft of the double-shaft motor 9 penetrates through one side of the shell 8 and one side of the shell 8, and a rotating shaft 20 is fixedly installed, and the one end of the rotating shaft 20 is fixedly installed with a fan blade 21.

[0035] Through the start of the double-shaft motor 9, the rotation of the rotating shaft 20 is driven, thereby driving the rotation of the fan blade 21.

[0036] One end of the worm 10 is fixedly installed with a supporting shaft 23, one end of the supporting shaft 23 extends to the outside of the shell 8 and is rotatably connected with the shell 8.

[0037] Through the design of the supporting shaft 23, the load of the first transmission shaft of the double-shaft motor 9 can be reduced, and the efficiency of the rotation of the worm 10 can be improved.

[0038] The working principle and use process of the utility model are:

[0039] When the staff uses it, first start the double shaft motor 9, then open the control assembly 22, when the double shaft motor 9 starts, it will drive the rotation of the worm 10, when the worm 10 rotates, it will drive the rotation of the worm wheel 12, when the worm wheel 12 rotates, it will drive the rotation of the pinion 13, when the pinion 13 rotates, because the pinion 13 and the gear 15 are engaged with each other, so the rotation of the pinion 13 will drive the rotation of the gear 15, when the gear 15 rotates, it will drive the rotation of the rotating plate 16, thereby driving one end of the connecting rod 17 to rotate through the rotation of the rotating plate 16, so as to drive the hinge block 18 and the protective cover 19 to rotate back and forth around the support column 7, achieving the effect of shaking head.

[0040] When the staff uses it, the staff first rotates the rotating sleeve 4 clockwise, when the rotating sleeve 4 is rotated, because the connecting part of the rotating sleeve 4 and the threaded rod 3 is threaded, so the rotation of the rotating sleeve 4 will make the rotating sleeve 4 move upwards, when the rotating sleeve 4 moves upwards, it will make the limiting sleeve 5 move upwards, when the limiting sleeve 5 moves upwards, it will make the support rod 6 move upwards, when the support rod 6 moves upwards, it will make the support column 7 move upwards, thereby driving the shell 8 and the protective cover 19 to move upwards.

[0041] When the user presses the switch button of the shaking head function, the control circuit receives the signal and sends a start instruction to the control assembly, the worm and gear structure transmits power to the eccentric shaft, the rotary motion of the eccentric shaft is converted into reciprocating swing of the shaking head mechanism through the connecting rod mechanism, the fan blades can swing left and right within a certain angle, realizing the shaking head function.

[0042] When the user presses the switch button of the shaking head function again, the control circuit receives the stop signal and sends a stop instruction to the control assembly, the control assembly makes the worm and the gear separate, causing the eccentric shaft to stop rotating, the connecting rod mechanism to stop working, and the shaking head mechanism to stop swinging, the fan blades return to the fixed blowing direction.

[0043] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0044] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A head-shaking structure of an air circulation fan, comprising a base (1) and a bottom column (2), characterized in that: The bottom column (2) is fixedly arranged above the base (1); The upper end of the screw rod (3) extends into the inside of the support mechanism, the inside of the support mechanism movably installs the limiting sleeve (5), the side of the limiting sleeve (5) extends to the outside of the support and is fixedly connected with the rotating sleeve (4), and the rotating sleeve (4) is threadedly sleeved with the screw rod (3).

2. The oscillating structure of an air circulating fan according to claim 1, wherein: The upper end of the screw rod (3) extends into the inside of the support mechanism, the inside of the support mechanism movably installs the limiting sleeve (5), the side of the limiting sleeve (5) extends to the outside of the support and is fixedly connected with the rotating sleeve (4), and the rotating sleeve (4) is threadedly sleeved with the screw rod (3).

3. The oscillating structure of an air circulating fan according to claim 1, wherein: The upper end of the screw rod (3) extends into the inside of the support mechanism, the inside of the support mechanism movably installs the limiting sleeve (5), the side of the limiting sleeve (5) extends to the outside of the support and is fixedly connected with the rotating sleeve (4), and the rotating sleeve (4) is threadedly sleeved with the screw rod (3).

4. The oscillating structure of an air circulating fan according to claim 1, wherein: The second transmission shaft of the double-shaft motor (9) penetrates one side of the shell (8) and one side, and is fixedly installed with a rotating shaft (20), one end of the rotating shaft (20) is fixedly installed with a fan blade (21).

5. The oscillating head structure of a circulating fan according to claim 1, wherein: One end of the worm (10) is fixedly installed with a support shaft (23), one end of the support shaft (23) extends to the outside of the shell (8) and is rotatably connected with the shell (8).

6. The oscillating head structure of a circulating fan according to claim 1, wherein: One end of the worm (10) is fixedly installed with a support shaft (23), one end of the support shaft (23) extends to the outside of the shell (8) and is rotatably connected with the shell (8).

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