CN216975296U - Head shaking mechanism and fan with same - Google Patents

Abstract

The application relates to the technical field of household appliances, in particular to an oscillating mechanism and a fan with the oscillating mechanism. The head shaking mechanism comprises a rotating disk, a fixed disk and a head shaking assembly for driving the rotating disk to rotate relative to the fixed disk, the fixed disk extends upwards to form a rotating shaft, a sleeve is formed in the middle of the rotating disk, the rotating shaft is inserted into the sleeve, and an opening shaft sleeve abutted to the sleeve is sleeved on the outer side of the rotating shaft; at least one circle of groove is formed in the top surface of the fixed disc, at least one circle of convex ring extends downwards from the bottom surface of the rotating disc, the convex ring is inserted into the corresponding groove, a sliding ring is arranged between the convex ring and the groove, and a plurality of bulges which are distributed at intervals along the circumferential direction of the sliding ring are formed on the top surface or/and the bottom surface of the sliding ring. The shaking head has the technical advantages of good shaking head effect, smooth and stable work and long service life.

Description

Head shaking mechanism and fan with same

Technical Field

The application relates to an oscillating mechanism and a fan with the oscillating mechanism, which are applicable to the technical field of household appliances.

Background

At present, the fans on the market can be provided with oscillating mechanisms in order to realize air supply in multiple directions. The conventional oscillating mechanism generally comprises a fixed disc which is fixedly placed on a plane and a rotating disc for mounting a fan blade assembly, wherein the rotating disc can reciprocate in a certain range relative to the fixed disc, so that the oscillating action is realized. The rotating disk or the fixed disk is generally provided with a head shaking assembly for driving the rotating disk to perform reciprocating swing relative to the fixed disk. Since the rotating disk needs to rotate relative to the fixed disk, a matching structure of the rotating shaft and the sleeve is necessarily existed. In the existing oscillating mechanism, a fixed disk generally extends upwards to form a rotating shaft, and a sleeve is formed in the middle of the rotating disk. In order to make the rotation more smooth, a shaft sleeve is sleeved on the outer peripheral side of the rotating shaft. In the assembled state, the rotating shaft of the fixed disk is inserted into the sleeve of the rotating disk, and the shaft sleeve is positioned between the sleeve and the rotating shaft. The existing oscillating mechanism mostly adopts a shaft sleeve with a fixed size, and can not cope with the situation of unsmooth oscillation caused by the deformation of a plastic part.

On the other hand, in order to ensure that the weight of the rotating disk can uniformly act on the fixed disk, the bottom surface of the rotating disk extends downwards to form a convex ring, and the top surface of the fixed disk is provided with a groove for placing the convex ring. In order to make the shaking motion smoother, a slip ring is placed in the groove, namely, the slip ring is positioned between the bottom surface of the convex ring and the groove bottom of the groove. And the top end face and the bottom end face of current sliding ring are smooth planes, and the contact surface between bulge loop and the sliding ring is great, and contact friction is big, and after long-time the use, the mechanism of shaking the head performance can descend, appears shaking the head not smooth or off-centre scheduling problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mechanism of shaking the head and have fan of this mechanism, this mechanism can solve the poor problem of performance of shaking the head.

The utility model relates to a mechanism of shaking head, including rotary disk, fixed disk and drive the rotary disk for the rotatory subassembly of shaking head of fixed disk, the fixed disk extends the pivot up, the middle part of rotary disk is formed with the sleeve, the pivot is inserted just in the sleeve the pivot outside cover be equipped with the opening axle sleeve of sleeve butt.

The top surface of the fixed disc can be provided with at least one circle of grooves, the bottom surface of the rotating disc extends downwards to form at least one circle of convex rings, the convex rings are inserted into the grooves, and a sliding ring is arranged between each convex ring and each groove; the top surface or/and the bottom surface of the slip ring can be provided with a plurality of bulges which are arranged at intervals along the circumferential direction of the slip ring; the cross section of the bulge can be in one of circular arc shape, triangle shape, trapezoid shape and rectangle shape; the length direction of the protrusion may be a radial direction of the convex ring.

Wherein, the subassembly of shaking head can include motor, eccentric peach, connecting rod, connecting piece and guide post, the guide post forms on the fixed disk, the confession is seted up to the rotary disk the guide hole that the guide post passed, the guide post pass the guide hole with the connecting piece joint, the connecting piece with the one end of connecting rod is articulated, the other end of connecting rod with the work end of eccentric peach is articulated, motor fixed mounting be in on the rotary disk, the output of motor with the eccentric peach joint.

The outer peripheral side surface of the opening shaft sleeve can be provided with a notch communicated from the top end surface to the bottom end surface, and the notch is obliquely arranged along the opening shaft sleeve; the convex rings and the grooves are arranged in at least two circles, the convex rings are arranged at intervals along the radial direction of the rotating disc, and the grooves are arranged at intervals along the radial direction of the fixed disc.

The application also provides a fan, including head assembly and foretell mechanism of shaking the head, head assembly fixed mounting is on the rotary disk.

The oscillating mechanism of the application has the following beneficial effects:

(1) the open bearing is adopted to replace the traditional closed bearing, the open bearing is provided with a notch structure, the defect that the closed structure is fixed in size is overcome, the shaking head is smoother by utilizing the characteristic that the open bearing can be elastically deformed, the problems of poor assembly and unsmooth shaking head caused by size are avoided, and the installation is rapid and convenient;

(2) a plurality of bulges arranged at intervals are formed on the end face of the sliding ring, so that the contact area between the sliding ring and the rotating disk is reduced, the contact area is changed into partial contact from comprehensive contact, the friction force between the sliding ring and the rotating disk is effectively reduced, the phenomenon of blocking after long-time use is avoided, and the shaking head is smoother.

(3) Adopt this application mechanism's of shaking head fan, it is effectual to shake head, and the work is smooth stable, and long service life is not fragile, has reduced use and cost of maintenance.

Drawings

Fig. 1 is a schematic structural diagram of the oscillating mechanism in this embodiment.

Fig. 2 is an exploded view of the oscillating mechanism in this embodiment.

Fig. 3 is a sectional view of the oscillating mechanism in this embodiment.

Fig. 4 is a schematic structural diagram of the shaft sleeve in the embodiment.

Fig. 5 is a schematic structural diagram of the slip ring in the present embodiment.

Reference numerals: the device comprises a fixed disc 1, a rotating shaft 11, a rotating disc 2, a sleeve 21, a swinging head assembly 3, guide columns 31, guide holes 32, a connecting piece 33, a connecting rod 34, a motor 36, a shaft sleeve 4, a notch 41, a sliding ring 51, a bulge 52, a convex ring 61 and a groove 62.

Detailed Description

To make the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.

The oscillating mechanism of the embodiment, as shown in fig. 1-2, comprises a rotating disk 2, a fixed disk 1 and an oscillating assembly 3 for driving the rotating disk 2 to rotate relative to the fixed disk 1. As shown in fig. 3, the fixed disk 1 extends upward to form a rotating shaft 11, a sleeve 21 is formed in the middle of the rotating disk 2, the rotating shaft 11 is inserted into the sleeve 21, and an opening bushing 4 abutting against the sleeve 21 is sleeved outside the rotating shaft 11. As shown in fig. 4, the outer peripheral side surface of the split boss 4 in this embodiment is formed with a notch 41 communicating from the top end surface thereof to the bottom end surface thereof. The notch 41 is arranged obliquely with respect to the vertical plane, it being understood that the open collar 4 is made by rolling a quadrangular metal strip. The notch 41 of the opening shaft sleeve 4 can also serve as an oil storage cavity, and lubricating oil or grease can be filled in the notch 41, so that the working smoothness and stability of the oscillating mechanism are further improved. Alternatively, the split bush 4 may also be a graphite self-lubricating split bush 4.

As shown in fig. 3, the top surface of the fixed disk 1 is provided with two circles of grooves 62, and the grooves 62 are arranged at intervals along the radial direction of the fixed disk 1. Similarly, two circles of convex rings 61 extend downwards from the bottom surface of the rotating disk 2, and the convex rings 61 are arranged at intervals along the radial direction of the rotating disk 2. In the assembled state, the collars 61 are inserted into the corresponding grooves 62, and the slip rings 51 are provided between the collars 61 and the grooves 62. As shown in fig. 5, the top surface of the slip ring 51 is formed with a plurality of protrusions 52 arranged at intervals in the circumferential direction of the slip ring 51.

In other embodiments, the bottom surface of the slip ring 51 may also be provided with a plurality of protrusions 52 arranged at intervals along the circumferential direction of the slip ring 51, or both the bottom surface and the top surface of the slip ring 51 are provided with a plurality of protrusions 52 arranged at intervals along the circumferential direction of the slip ring 51, which may be selected according to actual requirements. The cross section of the protrusion 52 is one of an arc shape, a triangle shape, a trapezoid shape and a rectangle shape, and as the most preferable scheme, the cross section of the protrusion 52 is the trapezoid shape or the arc shape, so that the processing is convenient, and the effect of improving the working smoothness of the shaking head can be achieved. The length direction of the protrusion 52 is preferably the radial direction of the convex ring 61, which is more convenient for production.

In this embodiment, the head swing assembly 3 includes a motor 36, an eccentric cam, a link 34, a connector 33 and a guide post 31, the guide post 31 is formed on the top surface of the fixed disk 1, the rotary disk 2 is opened with a guide hole 32 for the guide post 31 to pass through, and the guide post 31 passes through the guide hole 32 and is engaged with the connector 33. The connecting piece 33 is hinged with one end of the connecting rod 34, and the other end of the connecting rod 34 is hinged with the working end of the eccentric peach. The motor 36 is fixedly mounted on the rotary disc 2 and the output of the motor 36 engages the eccentric lobe. After the motor 36 is started, the output shaft of the motor drives the eccentric peach to rotate, and the eccentric peach and the connecting rod 34 form a crank mechanism because the working end of the eccentric peach is hinged with one end of the connecting rod 34 and the other end of the connecting rod 34 is hinged with the connecting piece 33. Since the connecting member 33 is fixed on the fixed disk 1, the motor 36 drives the rotating disk 2 to perform reciprocating swing motion relative to the fixed disk 1, and the rotating disk 2 is limited to perform circular rotation relative to the fixed disk 1 under the cooperation of the guide posts 31 and the guide holes 32.

The mechanism of shaking head of this embodiment adopts the open bearing to replace traditional bearing, and the open bearing is equipped with breach 41, has overcome the shortcoming of traditional enclosed construction fixed dimension, utilizes open bearing elastic deformation's characteristic to make to shake the head more smoothly, has avoided leading to the poor and not smooth problem of shaking the head because of the size, and the installation is swiftly convenient. The plurality of protrusions 52 distributed at intervals are formed on the end face of the sliding ring 51, so that the contact area between the sliding ring 51 and the rotating disk 2 is reduced, the contact area is changed from full contact to partial contact, the friction force between the sliding ring 51 and the rotating disk is effectively reduced, the phenomenon of blocking after long-time use is avoided, and the shaking head is smoother.

The fan of this embodiment, including head assembly and foretell head shaking mechanism, head assembly fixed mounting is on the rotary disk. The fan of the oscillating mechanism of the embodiment has the advantages of good oscillating effect, smooth and stable work and long service life.

Although the embodiments disclosed in the present application are described above, the descriptions are only for facilitating the understanding of the present application, and are not intended to limit the present application. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the disclosure as defined by the appended claims.

Claims (10)

1. The utility model provides a mechanism of shaking head, its characterized in that includes rotary disk, fixed disk and drive the rotary disk for the rotatory subassembly of shaking head of fixed disk, the fixed disk extends the pivot up, the middle part of rotary disk is formed with the sleeve, the pivot inserts just in the sleeve the pivot outside cover be equipped with the opening axle sleeve of sleeve butt.

2. An oscillating mechanism according to claim 1, characterized in that the top surface of the stationary disc is provided with at least one ring of grooves, the bottom surface of the rotating disc extends downwards to form at least one ring of protruding rings, the protruding rings are inserted into the grooves, and a slip ring is arranged between the protruding rings and the grooves.

3. A moving head mechanism according to claim 2, characterized in that the top surface or/and the bottom surface of said slide ring is formed with a number of protrusions arranged at intervals in the circumferential direction of said slide ring.

4. A rocking mechanism according to claim 3, characterised in that the cross-sectional shape of the protrusions is one of circular arc, triangular, trapezoidal and rectangular.

5. A moving head mechanism according to claim 3 or 4, characterized in that the length direction of said protrusions is the radial direction of said nose ring.

6. A moving head mechanism according to any one of claims 1-4, characterized in that said moving head assembly comprises a motor, an eccentric lobe, a connecting rod, a connecting member and a guiding post, said guiding post is formed on said fixed disk, said rotating disk is provided with a guiding hole for said guiding post to pass through, said guiding post passes through said guiding hole and engages with said connecting member, said connecting member is hinged with one end of said connecting rod, the other end of said connecting rod is hinged with the working end of said eccentric lobe, said motor is fixedly mounted on said rotating disk, the output end of said motor engages with said eccentric lobe.

7. An oscillating mechanism according to claim 5, characterized in that said oscillating assembly comprises a motor, an eccentric peach, a connecting rod, a connecting piece and a guiding post, said guiding post is formed on said fixed disk, said rotating disk is provided with a guiding hole for said guiding post to pass through, said guiding post passes through said guiding hole to engage with said connecting piece, said connecting piece is hinged with one end of said connecting rod, the other end of said connecting rod is hinged with the working end of said eccentric peach, said motor is fixedly mounted on said rotating disk, and the output end of said motor engages with said eccentric peach.

8. A moving head mechanism according to any one of claims 1-4 and 7, wherein said open boss is formed with a notch on its outer peripheral side surface communicating from a top end surface to a bottom end surface, said notch being provided obliquely along said open boss.

9. A moving head mechanism according to any one of claims 2-4 and 7, characterized in that said collars and said grooves are provided with at least two turns, said collars being spaced radially of said rotating disc and said grooves being spaced radially of said fixed disc.

10. A fan comprising a head assembly and an oscillating mechanism according to any one of claims 1-9, said head assembly being fixedly mounted on said rotating disc.

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