CN221450098U - Oscillating mechanism and blowing device - Google Patents

Abstract

The application relates to a head shaking mechanism and a blowing device, wherein the head shaking mechanism comprises a first rotating piece, a second rotating piece, a driving piece, a clutch shaft, a clutch block, a friction assembly and an elastic assembly, wherein any one of the first rotating piece and the second rotating piece is connected with a blowing head, and the driving piece is connected with the first rotating piece; the clutch shaft is connected with the output shaft of the driving piece and is positioned in the inner cavity of the second rotating piece; the clutch block is sleeved on the clutch shaft and connected with the inner wall of the second rotating piece; the friction assembly comprises a first friction piece, and the first friction piece is abutted with the clutch block; the elastic component applies pressure to the first friction piece or the clutch block to enable the clutch block to have friction force with the first friction piece. When the external force borne by the blowing head makes the friction force between the clutch block and the first friction piece and the second friction piece smaller than the external force, the clutch block rotates relative to the first friction piece and the second friction piece, the clutch block is in a separation state with the clutch shaft, the external force is prevented from being transmitted to the clutch shaft, and damage to the driving piece is avoided.

Description

Oscillating mechanism and blowing device

Technical Field

The application relates to the field of blowing devices, in particular to a head shaking mechanism and a blowing device.

Background

In a general blowing device, a direct current motor is adopted, and a shaking mechanism often occupies a large space. At present, for attractive appearance, the shaking motor is arranged inside the telescopic rod, so that the speed reducing motor is arranged at the center of the telescopic rod, and the speed reducing motor drives the blowing head to rotate.

When the speed reducing motor drives the blowing head to rotate, if misoperation such as external force is generated, the steering of the blowing head is opposite to the steering driven by the speed reducing motor, and at the moment, the speed reducing motor is easy to damage.

Disclosure of utility model

The application aims to provide a head shaking mechanism and a blowing device, wherein when the head shaking mechanism is subjected to external force, and the friction force between a clutch block and a friction assembly is smaller than the external force, the clutch block is separated from a clutch shaft, and the rotation of the clutch block can not influence the rotation of the clutch shaft and can not damage a driving piece.

To this end, in a first aspect, an embodiment of the present application provides a head shaking mechanism, including a first rotating member and a second rotating member that are rotatably connected to each other, where the first rotating member and the second rotating member are each provided with an inner cavity, and any one of the first rotating member and the second rotating member is used for being connected to a blowing head, and further including: the driving piece is arranged in the inner cavity of the first rotating piece and is connected with the first rotating piece, and an output shaft of the driving piece extends into the inner cavity of the second rotating piece; the clutch shaft is connected with the output shaft of the driving piece and is positioned in the inner cavity of the second rotating piece; the clutch block is sleeved on the clutch shaft and matched with the inner wall of the second rotating piece so that the clutch block and the second rotating piece rotate simultaneously; the friction assembly comprises a first friction piece connected with the clutch shaft, and the first friction piece is abutted with the clutch block; and one end of the elastic component is abutted with the first friction piece or the clutch block, the other end of the elastic component is connected with the clutch shaft, and the elastic component applies pressure to the first friction piece so that friction force exists between the clutch block and the first friction piece.

In one possible implementation, the clutch shaft is provided with a limiting part in a protruding manner at the circumferential side, and the limiting part is used for limiting the axial movement of the clutch block along the clutch shaft.

In one possible implementation, the friction assembly further includes a second friction member, the second friction member being located between the clutch block and the limit portion, the second friction member being in abutment with the clutch block and the limit portion.

In one possible implementation, the clutch block is provided with a first projection abutting the first friction member, and/or the clutch block is further provided with a second projection abutting the second friction member.

In one possible implementation manner, the elastic component includes an elastic member and a connecting member, the connecting member is connected with an end of the clutch shaft away from the driving member, and one end of the elastic member is abutted with the first friction member and the other end of the elastic member is used for being abutted with the connecting member.

In one possible implementation, the elastic assembly further includes a spacer located between the connection member and the elastic member.

In one possible implementation, the clutch shaft is provided with at least one plane on its circumferential side, the first friction element is provided with a first through hole adapted to the clutch shaft, and/or the second friction element is provided with a second through hole adapted to the clutch shaft.

In one possible embodiment, the output shaft of the drive element is provided with at least one plane on its circumferential side, and the clutch shaft is provided with a mounting hole adapted to the output shaft of the drive element.

In one possible embodiment, the clutch block is provided with at least one flat surface on its circumferential side, and the inner cavity of the second rotary part is adapted to the clutch block.

In a second aspect, an embodiment of the present application provides a blowing device, including a blowing head and a swinging mechanism of any one of the foregoing embodiments, where the blowing head is used to connect with a first rotating member or a second rotating member of the swinging mechanism.

According to the oscillating mechanism and the blowing device provided by the embodiment of the application, the oscillating mechanism comprises a first rotating piece and a second rotating piece which are connected with each other in a rotating way, wherein the first rotating piece and the second rotating piece are both provided with inner cavities, any one of the first rotating piece and the second rotating piece is used for being connected with a blowing head, the oscillating mechanism further comprises a driving piece, a clutch shaft, a clutch block, a friction assembly and an elastic assembly, the driving piece is arranged in the inner cavity of the first rotating piece and is connected with the first rotating piece, and an output shaft of the driving piece stretches into the inner cavity of the second rotating piece; the clutch shaft is connected with the output shaft of the driving piece and is positioned in the inner cavity of the second rotating piece; the clutch block is sleeved on the clutch shaft and matched with the inner wall of the second rotating piece so that the clutch block and the second rotating piece rotate simultaneously; the friction assembly comprises a first friction piece connected with the clutch shaft, and the first friction piece is abutted with the clutch block; one end of the elastic component is abutted with the first friction piece or the clutch block, and the other end of the elastic component is connected with the clutch shaft, and the elastic component applies pressure to the first friction piece or the clutch block so that friction force exists between the clutch block and the first friction piece. When the external force born by the air blowing head makes the friction force between the clutch block and the friction assembly smaller than the external force, the clutch block and the first friction piece can rotate relatively, at the moment, the clutch block and the clutch shaft are in a separation state, the external force is prevented from being transmitted to the clutch shaft, damage to the driving piece is avoided, and the service life of the driving piece is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.

In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.

Fig. 1 shows a schematic structural diagram of a blowing device according to an embodiment of the present application;

Fig. 2 shows a cross-sectional view of a blowing device provided by an embodiment of the present application;

FIG. 3 shows a partial block diagram of a panning mechanism provided by an embodiment of the present application;

FIG. 4 shows a partial exploded view of a tilting mechanism provided by an embodiment of the present application;

Fig. 5 shows a schematic structural diagram of a clutch block according to an embodiment of the present application.

Reference numerals illustrate:

1. A first rotating member; 2. a second rotating member; 3. a blowing head; 4. a driving member; 5. a clutch shaft; 51. a limit part; 511. a clamping hole; 52. a mounting hole; 6. a clutch block; 61. a first bump; 62. a second bump; 7. a friction assembly; 71. a first friction member; 72. a second friction member; 8. an elastic component; 81. an elastic member; 82. a connecting piece; 83. a gasket.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The following disclosure provides many different embodiments, or examples, for implementing different structures of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

For ease of description, spatially relative terms, such as "inner," "outer," "lower," "upper," "above," "front," "rear," and the like, may be used herein to describe one element's or feature's relative positional relationship or movement to another element's or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figure experiences a position flip or a change in attitude or a change in state of motion, then the indications of these directivities correspondingly change, for example: an element described as "under" or "beneath" another element or feature would then be oriented "over" or "above" the other element or feature. Accordingly, the example term "below … …" may include both upper and lower orientations. The device may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

Fig. 1 shows a schematic structural diagram of a blower provided by an embodiment of the present application, fig. 2 shows a cross-sectional view of a blower provided by an embodiment of the present application, fig. 3 shows a partial structural diagram of a head shaking mechanism provided by an embodiment of the present application, and fig. 4 shows a partial exploded view of a head shaking mechanism provided by an embodiment of the present application.

As shown in fig. 1 to 4, an embodiment of the present application provides a head shaking mechanism including a first rotating member 1 and a second rotating member 2 rotatably connected to each other, each of the first rotating member 1 and the second rotating member 2 being provided with an inner cavity, any one of the first rotating member 1 and the second rotating member 2 being used for connection with a blowing head 3.

It should be understood that the first rotating member 1 and the second rotating member 2 are both arranged in a long strip shape, and the first rotating member 1 and the second rotating member 2 are both provided with an inner cavity penetrating along the length direction of the first rotating member 1 and the second rotating member 2, and the first rotating member 1 and the second rotating member 2 can rotate relative to each other. Either one of the first rotating member 1 and the second rotating member 2 is used to connect with the blowing head 3, in one example, the first rotating member 1 is connected with the blowing head 3, and the first rotating member 1 rotates relative to the second rotating member 2, so as to drive the blowing head 3 to rotate relative to the second rotating member 2, so as to realize the shaking of the blowing head 3. In one example, the second rotating member 2 is connected to the blowing head 3, and the second rotating member 2 rotates relative to the first rotating member 1, so as to drive the blowing head 3 to rotate relative to the first rotating member 1, so as to realize the shaking of the blowing head 3.

The oscillating mechanism further comprises a driving piece 4, a clutch shaft 5, a clutch block 6, a friction assembly 7 and an elastic assembly 8, wherein the driving piece 4 is arranged in the inner cavity of the first rotating piece 1 and is connected with the first rotating piece 1, and an output shaft of the driving piece 4 extends into the inner cavity of the second rotating piece 2; the clutch shaft 5 is connected with the output shaft of the driving piece 4, and the clutch shaft 5 is positioned in the inner cavity of the second rotating piece 2; the clutch block 6 is sleeved on the clutch shaft 5 and matched with the inner wall of the second rotating piece 2 so that the clutch block 6 and the second rotating piece 2 rotate simultaneously; the friction assembly 7 comprises a first friction piece 71 connected with the clutch shaft 5, and the first friction piece 71 is abutted with the clutch block 6; one end of the elastic component 8 is abutted against the first friction piece 71 or the clutch block 6, the other end of the elastic component is connected with the clutch shaft 5, and the elastic component 8 applies pressure to the first friction piece 71 or the clutch block 6 so that friction force exists between the clutch block 6 and the first friction piece 71.

The driving piece 4 is gear motor, and driving piece 4 is arranged in the inner chamber of first rotor 1, and driving piece 4 is connected with the inner wall of first rotor 1, and driving piece 4 can be dismantled with the inner wall of first rotor 1 through parts such as mounting bracket, bolt and be connected. The driving member 4 is provided with an output shaft, and the output shaft of the driving member 4 extends into the inner cavity of the second rotating member 2.

The clutch shaft 5 is located in the inner cavity of the second rotating member 2, the clutch shaft 5 is connected with the output shaft of the driving member 4, the connection between the clutch shaft 5 and the driving member 4 can be fixed connection or detachable connection, for example, the clutch shaft 5 is welded with the output shaft of the driving member 4, or the connection is performed by means of penetrating pins, bolts, inserting connection and the like, the application is not limited, and the clutch shaft 5 can be driven to rotate when the output shaft of the driving member 4 rotates. The clutch block 6 is positioned in the inner cavity of the second rotating member 2 and is matched with the inner wall of the second rotating member 2, the clutch block 6 and the inner wall of the second rotating member 2 can be fixed in a welding mode, a detachable connection mode and the like, the application is not limited, and when the clutch block 6 rotates, the second rotating member 2 rotates; the clutch block 6 is provided with an inner cavity, and the inner cavity of the clutch block 6 is sleeved with the clutch shaft 5.

The friction assembly 7 comprises a first friction piece 71, the first friction piece 71 is sleeved on the clutch shaft 5, the first friction piece 71 cannot rotate relative to the clutch shaft 5, and when the clutch shaft 5 rotates, the first friction piece 71 is driven to rotate.

The first friction member 71 abuts against the clutch block 6, so that a friction force is provided between the first friction member 71 and the clutch block 6.

When the first friction piece 71 and the clutch block 6 can both move along the length direction of the clutch shaft 5, a limiting block can be arranged at the clutch shaft 5 and fixed with the clutch shaft 5, for example, through bolting and welding, or a limiting part is integrally formed at the clutch shaft 5, so that one of the clutch block 6 or the first friction piece 71 can not move along the length direction of the clutch shaft 5, the other can move along the length direction of the clutch shaft 5, thereby being used for controlling the friction effect of the first friction piece 71 on the clutch block 6, and one end of the elastic component 8 is abutted with the other, thereby being used for controlling the friction force between the friction component 7 and the clutch block 6.

When the first friction piece 71 can move along the length direction of the clutch shaft 5, and the clutch block 6 cannot move along the length direction of the clutch shaft 5, one end of the elastic component 8 is abutted against the first friction piece 71; when the first friction member 71 is fixed to the clutch shaft 5, the clutch block 6 is movable in the longitudinal direction of the clutch shaft 6, and one end of the elastic member 8 abuts against the clutch block 6.

The other end of the elastic component 8 is connected with the clutch shaft 5, the connection position can be one side of the clutch shaft 5 facing the driving piece 4 or one side of the clutch shaft facing away from the driving piece 4, and the connection mode can be welding or threaded connection and the like, so that the application is not limited. The elastic member 8 is in a compressed state to apply pressure to the first friction member 71 or the clutch block 6, thereby providing friction between the clutch block 6 and the first friction member 71.

During operation, the output shaft of the driving piece 4 rotates to drive the clutch shaft 5 to rotate, the clutch shaft 5 rotates to drive the friction assembly 7 to rotate, and as friction force is greater than or equal to torsion of the driving piece 4 to the clutch piece 6 and is arranged between the clutch piece 6 and the friction assembly 7, the clutch piece 6 follows the friction assembly 7 to rotate, the clutch piece 6 rotates to drive the second rotating piece 2 to rotate relative to the first rotating piece 1, and then drive the blowing head 3 to shake head, and here, the driving piece 4 drives the rotating direction of the blowing head 3 to be the first direction.

When the blowing head 3 receives external force, the rotation direction of the blowing head 3 is opposite to the rotation direction driven by the driving piece 4, the external force drives the rotation direction of the blowing head 3 to be the second direction, the blowing head 3 drives the second rotating piece 2 to be the second direction relative to the rotation direction of the first rotating piece 1, at this time, the friction force between the clutch block 6 and the friction assembly 7 is smaller than the external force, namely, the clutch block 6 and the first friction piece 71 can rotate relatively, at this time, the clutch block 6 and the clutch shaft 5 are in a disengaged state, the external force is prevented from being transmitted to the clutch shaft 5, damage to the driving piece 4 is avoided, and the service life of the driving piece 4 is prolonged.

No matter whether the external force in the first direction or the external force in the second direction is applied to the blowing head 3, the clutch block 6 and the first friction piece 71 can rotate relatively only when the external force borne by the blowing head 3 is larger than the friction force between the clutch block 6 and the friction component 7, and at this time, the clutch block 6 and the clutch shaft 5 are in a disengaged state, so that the external force is prevented from being transmitted to the clutch shaft 5, damage to the driving piece 4 is avoided, and the service life of the driving piece 4 is prolonged.

In some alternative embodiments, the circumferential side of the clutch shaft 5 is convexly provided with a limiting portion 51, and the limiting portion 51 is used for limiting the axial movement of the clutch block 6 or the first friction member 71 along the clutch shaft 5. The spacing portion 51 is provided with in the protrusion of clutch shaft 5 week side, and spacing portion 51 and clutch shaft 5 integrated into one piece set up, and when first friction piece 71 was located the one side that clutch block 6 deviates from spacing portion 51, the setting of spacing portion 51 can restrict clutch block 6 along the axial motion of clutch shaft 5. When the first friction member 71 is located at the side of the clutch block 6 facing the limiting portion 51, the limiting portion 51 may limit the axial movement of the first friction member 71 along the clutch shaft 5.

In one example, the clutch shaft 5 is in contact with the stopper 51, the first friction member 71 is in contact with an end of the elastic member 81 remote from the connecting member 82, and the first friction member 71 is in contact with the clutch block 6.

In some alternative embodiments, the friction assembly 7 further includes a second friction member 72, the second friction member 72 is located between the clutch block 6 and the limiting portion 51, the first friction member 71 is located on a side of the clutch block 6 away from the limiting portion 51, and the second friction member 72 abuts against the clutch block 6 and the limiting portion 51.

The first friction piece 71 is located the clutch block 6 and keeps away from the one side of spacing portion 51, and the second friction piece 72 is located between clutch block 6 and spacing portion 51, and clutch shaft 5 is located to second friction piece 72 cover, and the length direction motion of clutch shaft 5 can be followed to second friction piece 72, and the setting of second friction piece 72 has further improved the area of contact between clutch block 6 and friction subassembly 7, has improved the friction effect between clutch block 6 and the friction subassembly 7.

In some alternative embodiments, the clutch block 6 is provided with a first projection 61 abutting the first friction member 71 and/or the clutch block 6 is further provided with a second projection 62 abutting the second friction member 72.

In one example, the clutch block 6 is only provided with the first bump 61, when the clutch block 6 rotates relative to the first friction member 71, the first friction member 71 rubs the first bump 61, and the arrangement of the first bump 61 can reduce the abrasion of the friction assembly 7 to the clutch block 6, thereby improving the service life of the clutch block 6.

In one example, the clutch block 6 is only provided with the second bump 62, when the clutch block 6 and the second friction member 72 rotate relatively, the second friction member 72 rubs against the second bump 62, and the arrangement of the second bump 62 can reduce the abrasion of the friction assembly 7 to the clutch block 6, thereby improving the service life of the clutch block 6

In one example, the clutch block 6 is provided with a first bump 61 and a second bump 62, when the clutch block 6 rotates relative to the first friction member 71 and the second friction member 72, the first friction member 71 rubs the first bump 61, the second friction member 72 rubs the second bump 62, and the arrangement of the first bump 61 and the second bump 62 can reduce the abrasion of the friction assembly 7 to the clutch block 6, thereby improving the service life of the clutch block 6.

In some alternative embodiments, the elastic member 8 includes an elastic member 81 and a connecting member 82, the connecting member 82 is connected to an end of the clutch shaft 5 away from the driving member 4, and one end of the elastic member 81 abuts against the friction member 7 and the other end is used to abut against the connecting member 82.

The connecting member 82 is connected to the end of the clutch shaft 5 remote from the driving member 4 in a fixed or removable manner, such as by welding, in one example, the connecting member 82 is a nut and the connecting member 82 is threaded onto the clutch shaft 5. The connection member 82 is spaced apart from the friction member 7 to leave a place for mounting the elastic member 81.

The elastic member 81 may be a spring, an elastic pad, or any other elastic component, where the elastic member 81 is located between the connecting member 82 and the friction assembly 7, and the elastic member 81 is in a compressed state, where one end of the elastic member 81 abuts against the connecting member 82, and the other end abuts against the first friction member 71 or the second friction member 72 in the friction assembly 7, and the elastic member 81 provides pressure to the friction assembly 7, so as to increase friction force between the first friction member 71 and the second friction member 72 and the clutch block 6.

In one example, the elastic member 81 is a spring, the elastic member 81 is sleeved on the clutch shaft 5, one end of the elastic member 81 abuts against the friction assembly 7, and the other end abuts against the connecting member 82.

In one example, the elastic member 81 is an elastic gasket, and the elastic gasket includes a first frustum and a second frustum, where the first frustum and the second frustum are both sleeved with the clutch shaft 5, and small ends of the first frustum and the second frustum are connected, so as to form the elastic gasket. One end of the elastic member 81 abuts against the friction module 7, and the other end abuts against the connecting member 82.

When the elastic member 81 is an elastic pad, the stability of the elastic member 81 is better, and a stable pressure can be provided to the friction assembly 7.

In some alternative embodiments, the elastic assembly 8 further comprises a spacer 83, the spacer 83 being located between the connection member 82 and the elastic member 81. That is, the end of the elastic member 81 facing the connecting member 82 is abutted against the spacer 83, and the spacer 83 can improve the stability between the elastic member 81 and the connecting member 82.

In some alternative embodiments, the output shaft circumference of the driver 4 is provided with at least one flat surface, and the clutch shaft 5 is provided with a mounting hole 52 adapted to the output shaft of the driver 4. The output shaft circumference of the driving member 4 may be provided with one, two or more planes, and the mounting hole 52 of the clutch shaft 5 is adapted to the output shaft of the driving member 4, and the planes of the output shaft of the driving member 4 are arranged such that the clutch shaft 5 does not rotate with respect to the output shaft of the driving member 4. When the output shaft of the driving member 4 extends into the mounting hole 52, the output shaft of the driving member 4 is connected to the clutch shaft 5, and when the output shaft of the driving member 4 rotates, the clutch shaft 5 rotates following the output shaft of the driving member 4.

In some alternative embodiments, the limiting portion 51 is provided with a clamping hole 511 on a circumferential side. The clamping holes 511 may be provided with one, two or more, and the plurality of clamping holes 511 are arranged at intervals along the circumference of the limiting part 51, the application does not limit the shape of the clamping holes 511, and the clamping holes 511 may be arc-shaped or any other shape. When the connecting member 82 is a nut, the clutch shaft 5 can be fixed by means of a tool through the clamping hole 511 when the connecting member 82 is connected with the clutch shaft 5, so that the connection stability of the connecting member 82 and the clutch shaft 5 is improved.

In some alternative embodiments, the clutch shaft 5 is provided with at least one flat surface on the circumferential side, the first friction member 71 is provided with a first through hole adapted to the clutch shaft 5, and/or the second friction member 72 is provided with a second through hole adapted to the clutch shaft 5. The circumferential side of the clutch shaft 5 may be provided with one plane, two planes or a plurality of planes, which is not limited by the present application, the first friction member 71 is sleeved with the clutch shaft 5 through the first through hole, and/or the second friction member 72 is sleeved with the clutch shaft 5 through the second through hole, so that the first friction member 71 and/or the second friction member 72 cannot rotate relative to the clutch shaft 5, and when the clutch shaft 5 rotates, the first friction member 71 and/or the second friction member 72 rotates along with the clutch shaft 5, and the axial movement of the first friction member 71 and/or the second friction member 72 along the clutch shaft 5 is not affected.

In some alternative embodiments, the circumferential side of the clutch block 6 is provided with at least one flat surface, the inner cavity of the second rotor 2 being adapted to the clutch block 6. The circumferential side of the clutch block 6 may be provided with one plane, two planes or a plurality of planes, which is not limited by the present application, and the inner cavity of the second rotating member 2 is adapted to the clutch block 6, so that the clutch block 6 and the second rotating member 2 do not rotate relatively, that is, when the clutch block 6 rotates, the second rotating member 2 also rotates along with the clutch block; when the second rotating member 2 rotates, the clutch block 6 also follows the rotation.

The application also comprises a blowing device comprising a blowing head 3 and a shaking mechanism according to any of the preceding claims, the blowing head 3 being adapted to be connected to a first rotating member 1 or a second rotating member 2 of the shaking mechanism. The blowing head 3 can be a blower or a fan, and the application does not limit the blowing head 3.

Either one of the first rotating member 1 and the second rotating member 2 is connected to the blowing head 3, and in one example, the first rotating member 1 is connected to the blowing head 3, and the first rotating member 1 rotates relative to the second rotating member 2, so as to drive the blowing head 3 to rotate, so as to realize the shaking of the blowing head 3. In one example, the second rotating member 2 is connected to the blowing head 3, and the second rotating member 2 rotates relative to the first rotating member 1, so as to drive the blowing head 3 to rotate, so as to realize the shaking of the blowing head 3.

The oscillating mechanism further comprises a driving piece 4, a clutch shaft 5, a clutch block 6, a friction assembly 7 and an elastic assembly 8, wherein the driving piece 4 is arranged in the inner cavity of the first rotating piece 1 and is connected with the first rotating piece 1, and an output shaft of the driving piece 4 extends into the inner cavity of the second rotating piece 2; the clutch shaft 5 is connected with the output shaft of the driving piece 4, and the clutch shaft 5 is positioned in the inner cavity of the second rotating piece 2; the clutch block 6 is sleeved on the clutch shaft 5 and matched with the inner wall of the second rotating piece 2 so that the clutch block 6 and the second rotating piece 2 rotate simultaneously; the friction assembly 7 comprises a first friction piece 71 connected with the clutch shaft 5, and the first friction piece 71 is abutted with the clutch block 6; one end of the elastic component 8 is abutted against the first friction piece 71, the other end of the elastic component is connected with one end of the clutch shaft 5 far away from the driving piece 4, and the elastic component 8 applies pressure to the first friction piece 71 so that friction force exists between the clutch block 6 and the first friction piece 71.

During operation, the output shaft of the driving piece 4 rotates to drive the clutch shaft 5 to rotate, the clutch shaft 5 rotates to drive the friction assembly 7 to rotate, and as friction force is greater than or equal to torsion of the driving piece 4 to the clutch piece 6 and is arranged between the clutch piece 6 and the friction assembly 7, the clutch piece 6 follows the friction assembly 7 to rotate, the clutch piece 6 rotates to drive the second rotating piece 2 to rotate relative to the first rotating piece 1, and then drive the blowing head 3 to shake head, and here, the driving piece 4 drives the rotating direction of the blowing head 3 to be the first direction.

When the blowing head 3 receives an external force, the rotating direction of the blowing head 3 is opposite to the rotating direction driven by the driving piece 4, the external force drives the rotating direction of the blowing head 3 to be the second direction, the blowing head 3 drives the second rotating piece 2 to be the second direction relative to the rotating direction of the first rotating piece 1, at the moment, the friction force between the clutch block 6 and the friction assembly 7 is smaller than the external force, namely, the clutch block 6 and the first friction piece 71 can rotate relatively, at the moment, the clutch block 6 and the clutch shaft 5 are in a separation state, the external force is prevented from being transmitted to the clutch shaft 5, damage to the driving piece 4 is avoided, and the service life of the driving piece 4 is prolonged.

No matter whether the external force in the first direction or the external force in the second direction is applied to the blowing head 3, the clutch block 6 and the first friction piece 71 can rotate relatively only when the external force borne by the blowing head 3 is larger than the friction force between the clutch block 6 and the friction component 7, and at this time, the clutch block 6 and the clutch shaft 5 are in a disengaged state, so that the external force is prevented from being transmitted to the clutch shaft 5, damage to the driving piece 4 is avoided, and the service life of the driving piece 4 is prolonged.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless an order of performance is explicitly stated. It should also be appreciated that additional or alternative steps may be used.

Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a mechanism of shaking head, its characterized in that includes first rotating member and the second rotating member of mutual swivelling joint, first rotating member with the second rotating member all is provided with the inner chamber, first rotating member with any one of second rotating member is used for being connected with the hair drier, still includes:

the driving piece is arranged in the inner cavity of the first rotating piece and is connected with the first rotating piece, and an output shaft of the driving piece extends into the inner cavity of the second rotating piece;

The clutch shaft is connected with the output shaft of the driving piece and is positioned in the inner cavity of the second rotating piece;

The clutch block is sleeved on the clutch shaft and matched with the inner wall of the second rotating piece so that the clutch block and the second rotating piece rotate simultaneously;

The friction assembly comprises a first friction piece connected with the clutch shaft, and the first friction piece is abutted with the clutch block; and

And one end of the elastic component is abutted with the first friction piece or the clutch block, the other end of the elastic component is connected with the clutch shaft, and the elastic component applies pressure to the first friction piece or the clutch block so as to enable friction force to be formed between the clutch block and the first friction piece.

2. The oscillating mechanism as claimed in claim 1, wherein the clutch shaft is provided with a stopper portion protruding from a circumferential side thereof, the stopper portion being adapted to restrict axial movement of the clutch block or the first friction member along the clutch shaft.

3. The head shaking mechanism of claim 2 wherein the friction assembly further comprises a second friction member located between the clutch block and the limit portion, the first friction member located on a side of the clutch block remote from the limit portion, the second friction member abutting the clutch block and the limit portion.

4. A panning mechanism according to claim 3 wherein the clutch block is provided with a first projection abutting the first friction member and/or the clutch block is further provided with a second projection abutting the second friction member.

5. The oscillating mechanism of claim 1, wherein the elastic assembly comprises an elastic member and a connecting member, the connecting member is connected with an end of the clutch shaft away from the driving member, one end of the elastic member is abutted with the first friction member, and the other end of the elastic member is abutted with the connecting member.

6. The head shaking mechanism of claim 5 wherein the resilient assembly further comprises a spacer positioned between the connector and the resilient member.

7. A tilting mechanism according to claim 3, characterized in that the clutch shaft is provided with at least one plane on its circumferential side, the first friction member is provided with a first through hole adapted to the clutch shaft, and/or the second friction member is provided with a second through hole adapted to the clutch shaft.

8. The oscillating mechanism as defined in claim 1, wherein said driving member is provided with at least one flat surface on a peripheral side of an output shaft thereof, and said clutch shaft is provided with a mounting hole adapted to an output shaft of said driving member.

9. The oscillating mechanism of claim 1, wherein the clutch block is provided with at least one flat surface on a peripheral side thereof, and wherein the inner cavity of the second rotating member is adapted to the clutch block.

10. A blowing device comprising a blowing head and a tilting mechanism according to any of claims 1-9, said blowing head being adapted to be connected to a first rotating member or a second rotating member of said tilting mechanism.