CN213176138U

CN213176138U - Oscillating assembly of fan

Info

Publication number: CN213176138U
Application number: CN202022214646.3U
Authority: CN
Inventors: 谢冬坤
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-05-11
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a head shaking assembly of fan is provided, include: a drive assembly, a rotor, and a sleeve; the first end of the sleeve is connected with the driving component, and the second end of the sleeve is connected with the rotating component; the driving assembly is used for driving the sleeve to rotate so as to drive the rotating piece to rotate; the rotating piece is connected with the fan oscillating bar and used for driving the fan to oscillate, a through hole is formed in the rotating piece, and at least one step is arranged on the inner sides of two hole walls of the through hole; the second end of the sleeve is provided with at least one step matched with the at least one step, the second end of the sleeve is inserted into the through hole, and the steps are attached to the steps. Set up the ladder of at least one-level in the through-hole inboard of rotating the piece, set up the area increase of the at least one-level step of laminating mutually with it at telescopic second end and make sleeve and rotation between the piece contact surface, can bear bigger torsion, the difficult fracture of sleeve, long service life.

Description

Oscillating assembly of fan

Technical Field

The utility model relates to a subassembly of shaking head of fan.

Background

The fan is commonly used for ventilating and ventilating the indoor in hot weather and preventing heatstroke and reducing temperature; the commercial fan has the characteristics of high power and high air volume, and is widely applied to ventilation and cooling of places such as shops, factories and stores, workshops and restaurants. The applicant discloses a structure that a through hole is formed in a sliding part along the length direction of the sliding part, the bottom of an embedded sleeve is inserted into the through hole, the embedded sleeve rotates to drive the sliding part to rotate, and then a swing transmission rod of a fan connected to the sliding part is driven to enable the fan head to swing; the structure is applied to the business fan, and the situation that the corresponding connecting structure is unstable or even breaks can occur due to the fact that the business fan is large in size, heavy in weight and large in vibration during operation.

SUMMERY OF THE UTILITY MODEL

According to an aspect of the utility model, a subassembly of shaking head of fan is provided, include: a drive assembly, a rotor, and a sleeve; the first end of the sleeve is connected with the driving component, and the second end of the sleeve is connected with the rotating component; the driving assembly is used for driving the sleeve to rotate so as to drive the rotating piece to rotate; the rotating piece is connected with the fan oscillating bar and used for driving the fan to oscillate, a through hole is formed in the rotating piece, and at least one step is arranged on the inner sides of two hole walls of the through hole; the second end of the sleeve is provided with at least one step matched with the at least one step, the second end of the sleeve is inserted into the through hole, and the steps are attached to the steps. Set up the ladder of at least one-level in the through-hole inboard of rotating the piece, set up the area increase of the at least one-level step of laminating mutually with it at telescopic second end and make sleeve and rotation between the piece contact surface, can bear bigger torsion, the difficult fracture of sleeve, long service life.

In some embodiments, the steps are provided in multiple stages, and the steps are provided in multiple stages. Further increase the contact area of the two and prevent the sleeve from breaking.

In some embodiments, the driving assembly includes a driving wheel, a driven wheel and a motor, the driving wheel is connected with an output shaft of the motor, the driving wheel is meshed with the driven wheel, and the first end of the sleeve is connected to the center of the driven wheel. The motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate, the driving wheel and the sleeve connected with the driven wheel rotate coaxially, and then the rotating piece is driven to rotate synchronously, and the fan shaking head is achieved.

In some embodiments, still include the pivot, the first end periphery of pivot is equipped with tooth, a lateral wall of through-hole is equipped with the cingulum with the tooth looks adaptation of the first end of pivot, the pivot is run through rotatably from driving wheel and sleeve, telescopic second end is equipped with the breach towards one side of cingulum for the tooth of the first end of the pivot of wearing to establish inside stretches out and meshes mutually with the cingulum of through-hole from the breach, makes the rotary motion of pivot convert the linear motion who rotates the piece along the length direction of cingulum. The oscillating angle of the fan can be adjusted by rotating the rotating shaft.

In some embodiments, the second end of the rotating shaft is provided with a knob for driving the rotating shaft to rotate. The knob is arranged to facilitate rotation of the rotating shaft and adjustment of the fan shaking angle.

In some embodiments, a sleeve is sleeved outside the rotating shaft, and the sleeve is arranged between the driven wheel and the knob.

In some embodiments, the end of the sleeve proximate the knob is provided with a dial. The oscillating angle of the fan can be accurately adjusted according to the indication of the dial.

In some embodiments, an outer cover is arranged at one end of the rotating part far away from the sleeve, a lug is arranged on the outer cover, a connecting hole is formed in the center of the lug and used for connecting the fan oscillating bar, and a screw penetrates through the fan oscillating bar and the connecting hole to fix the fan oscillating bar on the rotating part; the axis of the connecting hole is parallel to or coincident with the axis of the driven wheel and the sleeve, so that when the rotary motion of the rotating shaft is converted into the linear motion of the rotating part along the length direction of the toothed belt, the distance between the axis of the connecting hole and the axis of the driven wheel is correspondingly changed.

In some embodiments, the driving wheel and the driven wheel are arranged in a cavity formed by the shell and the cover plate.

Drawings

Fig. 1 is a block diagram of an oscillating assembly of a fan according to some embodiments of the present invention;

fig. 2 is an exploded view of a moving head assembly of a fan according to some embodiments of the present invention;

fig. 3 is a structural view of a rotating member of an oscillating assembly of a fan according to some embodiments of the present invention, fig. 3(a) is a perspective view of the rotating member at one angle, and fig. 3(b) is a perspective view of the rotating member at another angle;

fig. 4 is a view showing the structure of the sleeve and the shaft of the oscillating assembly of the fan according to some embodiments of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1-4 schematically show an oscillating assembly of a fan according to an embodiment of the present invention. As shown, the moving head assembly comprises: a driving wheel 100, a driven wheel 200, a motor (not shown), a rotation member 300, a sleeve 400, a rotation shaft 500, a knob 600, a dial 610, a housing 700, and a cover 710;

as shown in fig. 2, the driving wheel 100 is connected to an output shaft of the motor, the driving wheel 100 is engaged with the driven wheel 200, and a center of the driven wheel 200 is connected to a first end of the sleeve 400. The motor drives the driving wheel 100 to rotate, the driving wheel 100 drives the driven wheel 200 to rotate, and the sleeve 400 connected with the driven wheel 200 coaxially rotates.

As shown in fig. 1 to 3, the rotating member 300 is provided with a through hole 310, the through hole 310 is in a strip shape, the wall of one side of the through hole 310 is provided with a toothed belt 320, and the walls of both sides of the through hole 310 are provided with a step 330. An outer cover 340 is arranged at one end of the rotating member 300 far away from the sleeve 400, the outer cover 340 covers about one third of the length direction of the rotating member 300, a convex block 341 is arranged on the outer cover 340, a connecting hole 342 is arranged at the center of the convex block 341, the axis of the connecting hole 342 is parallel to or coincident with the axis of the driven wheel 200 and the sleeve 400 and is used for connecting a fan oscillating bar (not shown), and a screw penetrates through the fan oscillating bar and the connecting hole 342 to fix the fan oscillating bar on the rotating member 300.

As shown in fig. 2 and 4, the sleeve 400 is hollow, the first end of the sleeve is connected to the driven wheel 200, the second end of the sleeve 400 is provided with a step 410, the second end of the sleeve 400 is inserted into the through hole 310, and the step 410 of the second end of the sleeve 400 is attached to the step 330 of the through hole 310. The second end of the sleeve 400 is provided with a notch 420 at a side facing the toothed belt 320, so that the teeth 510 of the first end of the rotating shaft 500 inserted into the second end of the sleeve protrude from the notch 420.

In some other embodiments, the steps 330 on the wall of the hole at both sides of the through hole 310 and the steps 410 at the second end of the sleeve 400 can be arranged in multiple stages. Further increasing the contact area between the two, preventing the sleeve 400 from being broken.

As shown in fig. 1, 2 and 4, the rotating shaft 500 penetrates through the driven wheel 200 and the sleeve 400, and is rotatably disposed relative to the driven wheel 200 and the sleeve 400, teeth 510 are disposed on the periphery of the first end of the rotating shaft 500, and the teeth 510 extend out of the notch 420 of the second end of the sleeve 400 and are engaged with the toothed belt 320 of the through hole 310, so that the rotating motion of the rotating shaft 500 is converted into a linear motion of the rotating member 300 along the length direction of the toothed belt 320, and the distance between the axis of the connecting hole 342 and the axis of the driven wheel 200 is adjusted, thereby adjusting the rotating radius of the rotating member 300 and realizing the adjustment of the fan swinging angle. The second end of pivot 500 connects knob 600, rotates knob 600 and can drive pivot 500 and rotate, and the adjustment fan angle of shaking the head.

As shown in fig. 2, a sleeve 630 is sleeved outside the rotating shaft 500, the sleeve 630 is disposed between the driven wheel 200 and the knob 600, one end of the sleeve 630, which is close to the driven wheel 200, is connected to the driven wheel 200, and the driven wheel 200 drives the sleeve 630 to rotate synchronously.

As shown in fig. 1-2, a dial 610 is provided at one end of the sleeve 630 near the knob 600, the dial 610 rotates synchronously with the sleeve 630, and the dial 610 is disc-shaped. The oscillating angle of the fan can be accurately adjusted according to the indication of the dial 610.

As shown in fig. 1-2, the housing 700 and the cover 710 form a cavity to enclose the driving wheel 100 and the driven wheel 200, and the housing 700 and the cover 710 are connected by screws.

The utility model discloses a fan shake head subassembly operation by motor drive action wheel 100 rotation, action wheel 100 drives from driving wheel 200 rotation, drives the coaxial rotation of sleeve 400 from driving wheel 200, and then drives the rotation piece 300 of being connected with sleeve 400 and the fan pendulum rod synchronous rotation of shaking the head of connecting on rotating piece 300 to realize that the fan shakes the head. For the business fan with larger volume, weight and power, the force born by the sleeve 400 is larger during operation, so that the sleeve 400 is easy to crack, the service life of the business fan is influenced, the step 330 is arranged on the hole wall at two sides of the through hole 310 of the rotating piece 300, and the step 410 is arranged at the second end of the sleeve 400, so that the contact area between the two is increased, larger torsion can be borne, the sleeve 400 is not easy to break, and the service life is long.

The utility model discloses a fan shake head subassembly can also realize the adjustment of fan angle of shaking the head, when rotating shaft 500 through rotatory knob 600, rotating member 300 can move in the within range of cingulum 320 for sleeve 400, when rotating member 300 moved the axis of connecting hole 342 and kept away from the axis of following the driving wheel 200, the radius of rotation of rotating member 300 increased, and the stroke that rotating member 300 drove the fan pendulum rod of shaking the head became big, and the angle of shaking the head of fan became big this moment; when the rotating member 300 moves to the axis of the connecting hole 342 and approaches to the axis of the driven wheel 200, the rotating radius of the rotating member 300 decreases, the stroke of the oscillating rod of the fan driven by the rotating member 300 becomes smaller, and the oscillating angle of the fan becomes smaller; when the axis of the rotating member 300 moving to the connecting hole 342 coincides with the axis of the driven wheel 200, the fan does not shake the head, and the fan shaking angle adjustment can be realized by rotating the rotating shaft 500, so that the adjustment is flexible and convenient.

The above are only some embodiments of the present invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. Subassembly of shaking head of fan, its characterized in that includes: a drive assembly, a rotor, and a sleeve;

the first end of the sleeve is connected with the driving component, and the second end of the sleeve is connected with the rotating piece;

the driving assembly is used for driving the sleeve to rotate so as to drive the rotating piece to rotate;

the rotating part is connected with the fan oscillating bar and used for driving the fan to oscillate, a through hole is formed in the rotating part, and at least one step is formed in the inner sides of two hole walls of the through hole;

the second end of the sleeve is provided with at least one step matched with the at least one step, the second end of the sleeve is inserted into the through hole, and the steps are attached to the steps.

2. A moving head assembly according to claim 1, characterized in that said steps are arranged in multiple stages, said steps being arranged in multiple stages.

3. A moving head assembly for a fan according to any one of claims 1-2, wherein said driving assembly comprises a driving wheel, a driven wheel and a motor, said driving wheel is connected to an output shaft of said motor, said driving wheel is engaged with said driven wheel, and a first end of said sleeve is connected to the center of said driven wheel.

4. The oscillating assembly of fan according to claim 3, further comprising a rotating shaft, wherein the outer periphery of the first end of the rotating shaft is provided with teeth, a side wall of the through hole is provided with a toothed belt matched with the teeth of the first end of the rotating shaft, the rotating shaft rotatably penetrates through the driven wheel and the sleeve, one side of the second end of the sleeve facing the toothed belt is provided with a notch, so that the teeth of the first end of the rotating shaft penetrating through the second end of the rotating shaft are extended out of the notch and meshed with the toothed belt of the through hole, and the rotating motion of the rotating shaft is converted into the linear motion of the rotating part along the length direction of the toothed belt.

5. A moving head assembly according to claim 4, wherein said second end of said shaft is provided with a knob for rotating said shaft.

6. A moving head assembly according to claim 5, characterized in that a sleeve is sleeved on the outer side of said rotating shaft, said sleeve is arranged between said driven wheel and said knob.

7. A moving head assembly according to claim 6, characterized in that said sleeve is provided with a dial at the end adjacent to the knob.

8. The oscillating assembly of a fan according to claim 4, wherein an outer cover is provided at an end of the rotating member away from the sleeve, a protrusion is provided on the outer cover, a connecting hole is provided at a center of the protrusion for connecting the oscillating rod of the fan, and a screw passes through the oscillating rod of the fan and the connecting hole to fix the oscillating rod of the fan to the rotating member; the axis of the connecting hole is parallel to or coincident with the axis of the driven wheel and the sleeve, so that when the rotary motion of the rotating shaft is converted into the linear motion of the rotating part along the length direction of the toothed belt, the distance between the axis of the connecting hole and the axis of the driven wheel is correspondingly changed.

9. A moving head assembly for a fan according to any one of claims 1 to 2 and 4 to 8, further comprising a housing and a cover plate, said housing and cover plate forming a cavity to enclose said driving and driven wheels in said cavity.