Machine head assembly and fan

Abstract

The invention relates to a machine head assembly and a fan, the machine head assembly comprises a machine head body, a head shaking motor, a transmission mechanism and a clutch mechanism, the transmission mechanism is arranged between the head shaking motor and the machine head body, and the transmission mechanism has a transmission state and a non-transmission state; in the transmission state, the transmission mechanism is in transmission connection with the head shaking motor and the machine head body, and the head shaking motor can drive the machine head body to rotate through the transmission mechanism. The clutch mechanism is in transmission connection with the transmission mechanism and is configured to be capable of driving the transmission mechanism to be switched between a transmission state and a non-transmission state. According to the machine head assembly, the head shaking motor can drive the machine head body to rotate through the transmission mechanism in the transmission state, and when the transmission mechanism is in the non-transmission state, the head shaking motor cannot drive the machine head body to rotate through the transmission mechanism any more. Therefore, even if the head shaking motor is started, the machine head assembly can control the transmission mechanism to be switched to the non-transmission state through the clutch mechanism, so that the machine head body stops shaking the head under the driving of the transmission mechanism.

Description

Technical Field

[0001] The present application relates to the field of electrical technology, and in particular to a head assembly and a fan. Background Art

[0002] Circulation fans are increasingly used because of their advantages of more uniform air flow, energy saving and power saving. Circulation fans are usually composed of a body and a head. In order to increase the air supply range, some circulation fans have a shaking function. Specifically, the shaking includes up and down shaking and left and right shaking.

[0003] In the related art, most circulation fans are equipped with two oscillating motors for realizing the up and down oscillation and left and right oscillation functions respectively, and the turning on and off of the up and down oscillation and left and right oscillation functions are realized by controlling the start and stop of the two oscillating motors respectively. In other words, each oscillating motor has a fixed corresponding relationship with the oscillation in a specific direction. To turn off the oscillation in a certain direction, the corresponding oscillating motor must be turned off, so that the oscillating motor cannot be used flexibly. Summary of the invention

[0004] Based on this, it is necessary to provide a head assembly and a fan that can stop the shaking of the head without turning off the shaking of the head motor to address the above-mentioned problems.

[0005] A head assembly for a fan, the head assembly comprising a head body, an oscillating motor, a transmission mechanism and a clutch mechanism, the transmission mechanism being arranged between the oscillating motor and the head body, the transmission mechanism having a transmission state and a non-transmission state; in the transmission state, the transmission mechanism is transmission-connected to the oscillating motor and the head body, and the oscillating motor can drive the head body to rotate through the transmission mechanism; the clutch mechanism is transmission-connected to the transmission mechanism, and is configured to be able to drive the transmission mechanism to switch between the transmission state and the non-transmission state.

[0006] In one embodiment, the transmission mechanism includes a first gear and a second gear, the first gear is configured to be movably arranged and has a transmission position and a non-transmission position; the clutch mechanism is transmission-connected to the first gear and is configured to be able to drive the first gear to switch between the transmission position and the non-transmission position;

[0007] When the first gear is in the transmission position, it meshes with the second gear, and the transmission mechanism is in a transmission state; when the first gear is in the non-transmission position, it disengages from the second gear, and the transmission mechanism is in a non-transmission state.

[0008] In one embodiment, the clutch mechanism includes an operating member and a buckle, the operating member has a driving portion and a locking portion, the driving portion cooperates with the first gear, and the operating member drives the first gear to move through the driving portion; when the operating member drives the first gear to move to the transmission position and / or the non-transmission position, the locking portion engages with the buckle.

[0009] In one embodiment, the operating member is configured to be movable along the engagement direction until the locking portion is engaged with the buckle; the clutch mechanism further comprises a first elastic member, the first elastic member cooperates with the operating member and is configured to provide a driving force for driving the operating member to move in a direction opposite to the engagement direction;

[0010] The buckle has a first guide surface, which intersects with the engagement direction and is used to generate a guide for engaging the buckle;

[0011] The clutch mechanism also includes a second elastic member, and the operating member also has an unlocking portion, wherein the unlocking portion is arranged upstream of the locking portion in the engagement direction, and the unlocking portion has a contact surface and a second guide surface, wherein the contact surface is located downstream of the second guide surface in the engagement direction; the unlocking portion is configured to be able to move relative to the locking portion in a direction parallel to the engagement direction, and the second elastic member is arranged between the locking portion and the unlocking portion, and can be compressed until the contact surface abuts against the locking portion; the second guide surface intersects with the engagement direction and is used to generate a guide for disengaging from the buckle.

[0012] In one embodiment, the operating member is configured to push the first gear to move along the engagement direction, and the clutch mechanism also includes a third elastic member, which cooperates with the first gear and is configured to provide a driving force to drive the operating member to move in a direction opposite to the engagement direction.

[0013] In one embodiment, the head body is configured to rotate around a first axis, and the transmission mechanism further includes a rack, which is provided on the head body and arranged around the first axis;

[0014] The first gear is transmission-connected to the shaking motor and has a first conical tooth portion; the second gear has a second conical tooth portion and a second cylindrical tooth portion, the second cylindrical tooth portion is meshed with the rack, and when the first gear is in the transmission position, the second conical tooth portion is meshed with the first conical tooth portion, and when the first gear is in the non-transmission position, the second conical tooth portion is separated from the first conical tooth portion.

[0015] In one embodiment, the head assembly further comprises a housing, the housing having an assembly groove, the assembly groove extending in a direction parallel to the engagement direction, the operating member being disposed in the assembly groove and configured to be movable along the assembly groove; the operating member further comprising a pressing portion, the pressing portion being at least partially located outside the housing;

[0016] And / or, the head assembly further comprises a mounting seat, the mounting seat having a column, the column extending in a direction parallel to the engaging direction and having an axial hole therein, the gear shaft of the first gear being rotatably disposed in the axial hole, the third elastic member being disposed in the axial hole and abutting against the gear shaft of the first gear;

[0017] And / or, the head assembly also includes a mounting seat, the buckle is arranged on the mounting seat, and the buckle is an annular buckle, the first elastic member is arranged in the buckle and abuts against the operating member.

[0018] In one embodiment, the head assembly further includes an assembly support, a first rotating seat and a second rotating seat, the head body is rotatably arranged on the assembly support around a first axis, the first rotating seat and the second rotating seat are rotatably matched around a second axis, and the direction of the second axis intersects with the direction of the first axis; the assembly support is arranged on the first rotating seat, and the second rotating seat is used to fix the body assembly of the fan;

[0019] The oscillating head motor is connected to the head body through the transmission mechanism so as to drive the head body to rotate around the first axis; the oscillating head motor is connected to the second rotating seat so as to drive the first rotating seat and the second rotating seat to rotate relative to each other.

[0020] In one embodiment, the shaking motor has a first output shaft and a second output shaft, the first output shaft is drivingly connected to the head body, and the second output shaft is engaged with the second rotating seat in a rotation direction around the second axis.

[0021] A fan comprises the head assembly as described above.

[0022] The above-mentioned head assembly and fan, the shaking head motor can drive the head body to rotate through the transmission mechanism in the transmission state. Correspondingly, when the transmission mechanism is in the non-transmission state, the shaking head motor can no longer drive the head body to rotate. In this way, even if the shaking head motor remains turned on, the head assembly can control the transmission mechanism to switch to the non-transmission state through the clutch mechanism, so that the head body stops shaking its head driven by the transmission mechanism. The shaking head motor that remains turned on can still output torque to drive the head body to rotate in other directions, so as to realize bidirectional shaking of the head through a single shaking head motor when the transmission mechanism is transmitting, and realize unidirectional shaking of the head when the transmission mechanism is not transmitting, or be used for other drives, etc. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0024] Figure 1 Schematic diagram of the structure of a fan with a head assembly in one embodiment of the present application.

[0025] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the fan shown.

[0026] Figure 3 for Figure 1 A schematic diagram of the cross-sectional structure of the fan is shown.

[0027] Figure 4 for Figure 3 The enlarged structural schematic diagram of the fan at point A when the locking portion of the operating member is not locked in the buckle is shown.

[0028] Figure 5 for Figure 4 The enlarged structural schematic diagram of the fan at position B is shown.

[0029] Figure 6 for Figure 3 The enlarged structural schematic diagram of the fan at point A when the locking portion of the operating member is engaged with the buckle is shown.

[0030] Figure 7 for Figure 3 The enlarged structural schematic diagram of the fan at point A when the unlocking portion of the operating member is locked into the buckle is shown.

[0031] Figure 8 for Figure 3 A schematic diagram of the partial structure of the operating parts in the fan shown.

[0032] Fig. 9 for Figure 3 The schematic diagram of the structure of the locking part in the fan is shown.

[0033] Fig.10 for Figure 3 The schematic diagram of the structure of the unlocking part in the fan is shown.

[0034] Fig.11 for Figure 3 A schematic structural diagram of the first gear in the fan shown.

[0035] Fig.12 for Figure 3 A schematic diagram of the structure of the second gear in the fan shown.

[0036] Fig.13 for Figure 3 Schematic diagram of the structure of the driving gear in the fan shown.

[0037] Fig.14 for Figure 1 A schematic diagram of a cross-sectional structure of the fan at another angle is shown.

[0038] Fig.15 for Fig.14 The enlarged structural schematic diagram of the fan at C is shown.

[0039] Fig.16 for Figure 1 A schematic diagram of the structure of the mounting base in the fan is shown.

[0040] Fig.17 for Figure 1 A schematic diagram of the exploded structure of the fan head body is shown.

[0041] Fig.18 for Figure 1 Schematic diagram of the structure of the rack in the fan shown.

[0042] Fig.19 for Figure 1 The structural schematic diagram of the support body in the fan is shown.

[0043] Fig. 20 for Figure 1 Schematic diagram of the structure of the fan casing shown.

[0044] Fig.21 for Figure 1 The schematic diagram of the structure of the oscillating motor in the fan is shown.

[0045] Explanation of reference numerals: 100, head assembly; 10, head body; 11, main motor; 12, fan blade; 13, housing; 131, mounting portion; 1311, first screw column; 132, decorative housing; 20, shaking motor; 21, driving gear; 22, first output shaft; 23, second output shaft; 24, second screw hole; 30, transmission mechanism; 31, first gear; 311, first conical tooth portion; 312, first cylindrical tooth portion; 32, second gear; 321, second conical tooth portion; 322, second cylindrical tooth portion; 33, rack; 331, first screw hole; 40, clutch mechanism; 41, operating member; 411, driving portion; 412, locking portion; 4121, second locking surface; 412 2. third guide surface; 4123. concave hole; 413. unlocking part; 4131. contact surface; 41311. accommodating groove; 4132. second guide surface; 414. pressing part; 415. main body; 42. buckle; 421. first guide surface; 422. first locking surface; 43. first elastic member; 44. second elastic member; 45. third elastic member; 51. mounting seat; 511. column; 512. second screw column; 52. second rotating seat; 60. assembly support; 61. arc-shaped mating surface; 62. support body; 63. housing; 631. mounting groove; 632. gear groove; 633. assembly groove; 200. fan; 210. fuselage assembly; 211. fuselage rod; 212. chassis. DETAILED DESCRIPTION

[0046] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0047] In the description of the present application, it should be understood that if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. appear, the orientation or position relationship indicated by these terms is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore it should not be understood as a limitation on the present application.

[0048] In addition, if the term "and / or" appears, "and / or" is merely a way to describe the association relationship between associated objects, and indicates that three relationships may exist, for example, A and / or B can represent the association relationship between A and B: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that there is an "or" relationship between the associated objects before and after it. If the terms "first" and "second" appear, these terms are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, if the term "multiple" appears, the meaning of "multiple" is at least two, such as two, three, four, five, etc., unless otherwise clearly and specifically defined.

[0049] In this application, unless otherwise clearly specified and limited, if the terms "installed", "connected", "connected", "fixed" and the like appear, these terms should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0050] In the present application, unless otherwise clearly specified and limited, if there is a description that a first feature is "above" or "below" a second feature, etc., or similar descriptions appear, it may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0051] It should be noted that if an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. If an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. If any, the terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in this application are for illustrative purposes only and do not represent the only implementation method.

[0052] See also Figures 1 to 7A head assembly 100 provided in one embodiment of the present application includes a head body 10, an oscillating head motor 20, a transmission mechanism 30 and a clutch mechanism 40. The transmission mechanism 30 is arranged between the oscillating head motor 20 and the head body 10, and the transmission mechanism 30 has a transmission state and a non-transmission state; in the transmission state, the transmission mechanism 30 is connected to the oscillating head motor 20 and the head body 10, and the oscillating head motor 20 can drive the head body 10 to rotate through the transmission mechanism 30; the clutch mechanism 40 is connected to the transmission mechanism 30, and is configured to be able to drive the transmission mechanism 30 to switch between the transmission state and the non-transmission state.

[0053] The head assembly 100 is used for the fan 200, and the fan 200 can be but not limited to a circulation fan. The fan 200 also includes a body assembly 210, and the head assembly 100 is connected to the body assembly 210. Specifically, the body assembly 210 includes a body rod 211 and a chassis 212, the head assembly 100 is connected to the top end of the body rod 211, and the chassis 212 is connected to the bottom end of the body rod 211. It can be understood that in order to achieve its normal function, the head body 10 includes a main motor 11, a fan blade 12, a casing 13, etc. Among them, the main motor 11 and the fan blade 12 are installed in the casing 13. The main motor 11 is connected to the fan blade 12 in a transmission manner, and is used to drive the fan blade 12 to rotate to form an air supply airflow.

[0054] The head body 10 can be set to rotate around at least the first axis. It can be understood that when the transmission mechanism 30 is in a transmission state, the shaking head motor 20 can drive the head body 10 to rotate around the first axis through the transmission mechanism 30. When the transmission mechanism 30 is in a non-transmission state, the shaking head motor 20 cannot drive the head body 10 to rotate around the first axis through the transmission mechanism 30. The clutch mechanism 40 is used to control the state switching of the transmission mechanism 30.

[0055] In the above-mentioned head assembly 100, the oscillating head motor 20 can drive the head body 10 to rotate through the transmission mechanism 30 in the transmission state. Correspondingly, when the transmission mechanism 30 is in the non-transmission state, the oscillating head motor 20 can no longer drive the head body 10 to rotate. In this way, even if the oscillating head motor 20 remains turned on, the head assembly 100 can control the transmission mechanism 30 to switch to the non-transmission state through the clutch mechanism 40, so that the head body 10 stops its oscillating head driven by the transmission mechanism 30. The oscillating head motor 20 that remains turned on can still output torque to drive the head body 10 to rotate in other directions, so as to realize bidirectional oscillation through a single oscillating head motor 20 when the transmission mechanism 30 is transmitting, and realize unidirectional oscillation when the transmission mechanism 30 is not transmitting, or be used for other drives, etc.

[0056] In some embodiments, the transmission mechanism 30 includes a first gear 31 and a second gear 32, the first gear 31 is configured to be movably arranged and has a transmission position and a non-transmission position; the clutch mechanism 40 is transmission-connected to the first gear 31 and is configured to be able to drive the first gear 31 to switch between the transmission position and the non-transmission position. When the first gear 31 is in the transmission position, it meshes with the second gear 32, and the transmission mechanism 30 is in a transmission state. When the first gear 31 is in the non-transmission position, it is disengaged from the second gear 32, and the transmission mechanism 30 is in a non-transmission state.

[0057] In this way, the clutch mechanism 40 only needs to drive the first gear 31 to switch between the transmission position and the non-transmission position to control the transmission mechanism 30 to switch between the transmission state and the non-transmission state, and the implementation method is simple and reliable.

[0058] Please also read Figure 8 and Fig. 9 Further, the clutch mechanism 40 includes an operating member 41 and a buckle 42. The operating member 41 has a driving portion 411 and a locking portion 412. The driving portion 411 cooperates with the first gear 31, and the operating member 41 drives the first gear 31 to move through the driving portion 411. When the operating member 41 drives the first gear 31 to move to the transmission position and / or the non-transmission position, the locking portion 412 is engaged with the buckle 42.

[0059] It can be understood that the buckle 42 is fixed relative to the second gear 32, and after the locking portion 412 is engaged with the buckle 42, the operating member 41 can be limited, and the first gear 31 is relatively fixed to the second gear 32, so that the first gear 31 can be stably in the transmission position and / or the non-transmission position. In addition, the limit caused by the engagement of the buckle 42 can be overcome and released by external force.

[0060] In this way, the user can drive the first gear 31 to move through the operating member 41, and the buckle 42 enables the first gear 31 to remain in the transmission position and / or the non-transmission position after the user removes the external force.

[0061] In some embodiments, the operating member 41 is configured to be able to move along the engagement direction (eg Figure 4 The clutch mechanism 40 further comprises a first elastic member 43, which cooperates with the operating member 41 and is configured to provide a driving force for driving the operating member 41 to move in a direction opposite to the engagement direction.

[0062] Specifically, when the operating member 41 drives the first gear 31 to move to the non-transmission position, the locking portion 412 is engaged with the buckle 42 , and one end of the locking portion 412 may have a recessed hole 4123 for assembling the first elastic member 43 .

[0063] In this way, the operating member 41 can move along the engagement direction driven by external force so that it can engage with the buckle 42 through the locking portion 412, and move in the direction opposite to the engagement direction driven by the first elastic member 43 so that it can return to the initial position after contact engagement.

[0064] Furthermore, the buckle 42 has a first guide surface 421 , which intersects with the engagement direction and is used to provide guidance for the buckle 42 to be engaged.

[0065] It is understandable that the buckle 42 can be elastically deformed. In this way, the locking portion 412 can be pressed and snapped into the buckle 42 under the guidance of the first guide surface 421 to form a snap fit therewith.

[0066] Please also read Fig.10 Furthermore, the clutch mechanism 40 further includes a second elastic member 44, and the operating member 41 further includes an unlocking portion 413, which is disposed upstream of the locking portion 412 in the engagement direction, and the unlocking portion 413 includes a contact surface 4131 and a second guide surface 4132, and the contact surface 4131 is disposed downstream of the second guide surface 4132 in the engagement direction. The unlocking portion 413 is configured to be movable relative to the locking portion 412 in a direction parallel to the engagement direction, and the second elastic member 44 is disposed between the locking portion 412 and the unlocking portion 413, and can be compressed until the contact surface 4131 abuts against the locking portion 412. The second guide surface 4132 intersects with the engagement direction and is used to generate a guide for disengaging the buckle 42.

[0067] The contact surface 4131 of the unlocking portion 413 or the surface of the locking portion 412 facing the unlocking portion 413 may have a receiving groove 41311, and the receiving groove 41311 is used to receive the second elastic member 44 located between the unlocking portion 413 and the locking portion 412, so that the unlocking portion 413 abuts against the locking portion 412. For ease of understanding, the process of the engagement of the operating member 41 with the buckle 42 is briefly described below:

[0068] When the locking portion 412 of the operating member 41 is not engaged with the buckle 42, it is located upstream of the buckle 42 in the engagement direction, and the unlocking portion 413 is spaced apart from the locking portion 412 under the action of the second elastic member 44. When the operating member 41 is subjected to an external force and moves along the engagement direction, the first elastic member 43 is compressed, and the locking portion 412 is pressed and engaged with the buckle 42 under the action of the first guide surface 421. At this time, the first gear 31 is in a non-transmission position, and the transmission mechanism 30 is in a non-transmission state. On this basis, external force continues to be applied to the operating member 41 to drive it to continue to move in the engagement direction and continue to compress the first elastic member 43 until the unlocking portion 413, under the action of the first guide surface 421, causes the second guide surface 4132 to engage with the buckle 42. At this time, the external force is removed, and under the action of the first elastic member 43, the locking portion 412 moves in the direction opposite to the engagement direction until it abuts against the unlocking portion 413. The locking portion 412 and the unlocking portion 413 form a whole and are jointly driven by the first elastic member 43 and guided by the second guide surface 4132 to break open and disengage from the buckle 42, so that the operating member 41 returns to its initial position.

[0069] In this way, the user can switch the transmission mechanism 30 to the non-transmission state by driving the operating member 41 to move along the engagement direction, and can then continue to drive the operating member 41 to move along the engagement direction to switch the transmission mechanism 30 back to the transmission state.

[0070] Specifically, the buckle 42 further has a first locking surface 422, which is located downstream of the first guide surface 421 in the engagement direction, and the locking portion 412 has a second locking surface 4121, and both the first locking surface 422 and the second locking surface 4121 are perpendicular to the engagement direction. The locking portion 412 is inserted into the buckle 42, that is, it moves until the first locking surface 422 abuts against the second locking surface 4121, so that the locking portion 412 and the buckle 42 are engaged.

[0071] It can be understood that the second guide surface 4132 can cover the second locking surface 4121. In other words, the second guide surface 4132 can fully block the second locking surface 4121 relative to the first locking surface 422 of the buckle 42 to guide the locking portion 412 and prevent the second locking surface 4121 from abutting against and engaging with the first locking surface 422.

[0072] In this way, the first locking surface 422 abuts against the second locking surface 4121 , which generates an engagement effect between the locking portion 412 and the buckle 42 , and limits the operating member 41 in a direction opposite to the engagement direction.

[0073] In addition, the locking portion 412 may also have a third guide surface 4122, which is located downstream of the second locking surface 4121 in the engagement direction, and the third guide surface 4122 intersects with the engagement direction. The third guide surface 4122 also guides the locking portion 412 to engage the buckle 42, and the angle of the third guide surface 4122 may be consistent with the angle of the first guide surface 421, so that the two can cooperate and guide together.

[0074] In some embodiments, the operating member 41 is configured to push the first gear 31 to move along the engagement direction, and the clutch mechanism 40 also includes a third elastic member 45, which cooperates with the first gear 31 and is configured to provide a driving force to drive the operating member 41 to move in a direction opposite to the engagement direction.

[0075] It can be understood that the operating member 41 can push the first gear 31 to move under the action of an external force and push it to the non-transmission position. The third elastic member 45 is used to generate a force in the opposite direction to push the first gear 31 in the opposite direction and to reach the transmission position when the external force is removed.

[0076] In this way, the operating member 41 only needs to be able to push the first gear 31 to move in a single direction, and the third elastic member 45 can drive the first gear 31 to return to the transmission position after the user removes the external force and the operating member 41 is disengaged from the buckle 42.

[0077] Please also read Figures 11 to 15 In some embodiments, the head body 10 is configured to rotate around a first axis, and the transmission mechanism 30 further includes a rack 33, which is disposed on the head body 10 and is disposed around the first axis. The first gear 31 is transmission-connected to the oscillating motor 20 and has a first conical tooth portion 311. The second gear 32 has a first conical tooth portion 311 and a second cylindrical tooth portion 322, and the second cylindrical tooth portion 322 is meshed with the rack 33. When the first gear 31 is in a transmission position, the second conical tooth portion 321 is meshed with the first conical tooth portion 311, and when the first gear 31 is in a non-transmission position, the second conical tooth portion 321 is separated from the first conical tooth portion 311.

[0078] The ends of the first gear 31 and the second gear 32 have gear shafts. In addition, the transmission mechanism 30 may further include a driving gear 21, which is sleeved on the output shaft of the oscillating motor 20. The first gear 31 also has a first cylindrical tooth portion 312, and is meshed with the driving gear 21 through the first cylindrical tooth portion 312.

[0079] Thus, when the first gear 31 is in the transmission position, the torque output by the oscillating motor 20 can be converted into a desired direction by the first gear 31 and the second gear 32 that cooperate with each other, and then the second cylindrical tooth portion 322 of the second gear 32 drives the head body 10 to rotate around the first axis through the rack 33. When the first gear 31 is in the non-transmission position, the first gear 31 and the second gear 32 may not transmit power to each other.

[0080] Please also read Fig.16 In some embodiments, the head assembly 100 also includes a mounting base 51, the mounting base 51 has a column 511, the column 511 extends in a direction parallel to the engagement direction, and has an axial hole therein, the gear shaft of the first gear 31 is rotatably disposed in the axial hole, the third elastic member 45 is disposed in the axial hole, and abuts against the gear shaft of the first gear 31.

[0081] Thus, the mounting seat 51 provides a mounting position for the first gear 31 and the third elastic member 45, and enables the first gear 31 to move in a direction parallel to the engagement direction. The first elastic member 43, the second elastic member 44 and the third elastic member 45 can all be, but are not limited to, springs.

[0082] In some embodiments, the buckle 42 is disposed on the mounting seat 51 , and the buckle 42 is an annular buckle. The first elastic member 43 is disposed in the buckle 42 and abuts against the operating member 41 .

[0083] In this way, the mounting seat 51 provides a stable mounting position for the buckle 42 and the first elastic member 43, and also facilitates the engagement of the operating member 41 with the annular buckle. Accordingly, the cross-sections of the locking portion 412 and the unlocking portion 413 are both substantially annular or circular. The operating member 41 may also include a main body 415, the unlocking portion 413 may be sleeved on the main body 415, the top of the main body 415 is a pressing portion 414, the bottom of the main body 415 abuts against the locking portion 412, and the driving portion 411 is connected to the main body 415.

[0084] Please also read Figures 17 to 20 In some embodiments, the head assembly 100 further includes an assembly support 60, a first rotating seat and a second rotating seat 52. The head body 10 is rotatably arranged on the assembly support 60 around the first axis. The first rotating seat and the second rotating seat 52 are rotatably matched around the second axis. The direction of the second axis intersects with the direction of the first axis. The assembly support 60 is arranged on the first rotating seat, and the second rotating seat 52 is used to fix the body assembly 210 of the fan 200. The oscillating motor 20 is connected to the head body 10 through the transmission mechanism 30 to drive the head body 10 to rotate around the first axis; the oscillating motor 20 is connected to the second rotating seat 52 to drive the first rotating seat and the second rotating seat 52 to rotate relative to each other.

[0085] Among them, the first rotating seat can be the above-mentioned mounting seat 51. The direction of the second axis intersects with the direction of the first axis, that is, the head body 10 can rotate around two different directions. Among them, the direction of the first axis is the first direction, and the first direction intersects with the height direction of the fan 200. The height direction of the fan 200 is the vertical direction when it is in normal use. The direction of the second axis is the second direction, and the second direction intersects with the horizontal direction. It can be understood that the second direction also intersects with the first direction. For ease of understanding, the following description will take the first direction as the horizontal direction, and specifically the left and right direction of the fan 200, and the second direction as the vertical direction as an example.

[0086] The head body 10 rotates around the first axis to achieve up and down shaking. At the same time, the head body 10 is indirectly arranged on the first rotating seat through the assembly support 60, and the first rotating seat can rotate around the second axis relative to the second rotating seat 52, and the second rotating seat 52 is fixed on the body rod 211 of the body assembly 210. Therefore, when the first rotating seat rotates around the second axis relative to the second rotating seat 52, the shaking motor 20, the assembly support 60 and the head body 10 arranged on the assembly support 60 on the first rotating seat rotate accordingly, so as to achieve left and right shaking of the head body 10.

[0087] In this way, the head assembly 100 can simultaneously drive the head body 10 to shake up and down and left and right through a single shaking motor 20. In addition, the user can also switch the transmission state of the transmission mechanism 30 through the clutch mechanism 40 to make the head body 10 shake in a single direction.

[0088] In some embodiments, the housing 13 of the head body 10 has a mounting portion 131, the mounting portion 131 is arc-shaped, and the axis is the first axis, and the rack 33 is mounted on the mounting portion 131. The assembly support 60 has an arc-shaped mating surface 61, and the axis of the arc-shaped mating surface 61 is the first axis. The head body 10 is matched with the arc-shaped mating surface 61 through the mounting portion 131, and can slide along the arc-shaped mating surface 61 to rotate around the first axis.

[0089] Specifically, the housing 13 also has an air inlet and an air outlet, the mounting portion 131 is located in the direction of the air inlet, the rack 33 is arranged on the side of the mounting portion 131 facing away from the air inlet, and the meshing teeth of the rack 33 are located on the side facing away from the mounting portion 131. The rack 33 has a first screw hole 331, and the mounting portion 131 has a first screw column 1311 that matches the first screw hole 331, and the two are connected by screws. In addition, the housing 13 may also include a decorative shell 132, which is arranged on the side of the rack 33 facing away from the mounting portion 131, and the decorative shell 132 has a through hole, and the meshing teeth of the rack 33 are exposed at the through hole so as to mesh with the transmission gear.

[0090] Since the axis of the arc-shaped matching surface 61 is the first axis, the head body 10 can rotate around the first axis by sliding along the arc-shaped matching surface 61 through the mounting portion 131 .

[0091] In this way, the nose body 10 can achieve stable rotation relative to the assembly support 60 by sliding along the arc-shaped matching surface 61 .

[0092] Specifically, the assembly support 60 includes a support body 62, a shell 63 and a limiting cover (not shown), and the support body 62 forms an arc-shaped mating surface 61. The shell 63 is assembled on the first rotating seat and can be connected to the first rotating seat by screws. The top of the shell 63 has a mounting groove 631, the support body 62 is arranged in the mounting groove 631, and the top of the support body 62 can be matched with the mounting portion 131. In addition, the top of the shell 63 can also form a gear groove 632, and the second gear 32 is installed in the gear groove 632. The limiting cover is arranged on the arc-shaped mating surface 61 of the support body 62, and the mounting portion 131 is at least partially located between the support body 62 and the limiting cover, so as to limit the mounting portion 131 between the two to prevent the head body 10 from detaching.

[0093] Furthermore, the housing 63 further has an assembly groove 633 extending in a direction parallel to the engagement direction, and the operating member 41 is disposed in the assembly groove 633 and configured to be movable along the assembly groove 633. The operating member 41 further has a pressing portion 414, which is at least partially located outside the housing 63.

[0094] Specifically, the main body 415 is assembled in the assembly groove 633. When the first gear 31 is in the transmission position, the operating member 41 is in the initial position, and the driving portion 411 abuts against the lower edge of the assembly groove 633 of the shell 63 to prevent the operating member 41 from continuing to move in the direction opposite to the engagement direction.

[0095] In this way, the user can drive the operating portion to move along the engagement direction by pressing the pressing portion 414 .

[0096] Please also read Fig.21 In some embodiments, the output shaft of the shaking motor 20 includes a first output shaft 22 and a second output shaft 23. The first output shaft 22 is connected to the head body 10 in a transmission manner, and the second output shaft 23 is engaged with the second rotating seat 52 in a rotation direction around the second axis.

[0097] The oscillating motor 20 is a dual-axis motor, and both output shafts are parallel to the second axis. The driving gear 21 is sleeved on the first output shaft 22 of the oscillating motor 20. The first rotating seat has a mounting position for mounting the oscillating motor 20, and the oscillating motor 20 has a second screw hole 24. The first rotating seat has a second screw column 512 that matches the second screw hole 24. The oscillating motor 20 is fixed to the first rotating seat by screws through the second screw hole 24 and the screw column. In addition, the first rotating seat also has a column 511 for rotating and mounting the second gear 32.

[0098] The second output shaft 23 is engaged with the second rotating seat 52 to prevent rotation. Since the second rotating seat 52 is fixed on the fuselage rod 211, when the second output shaft 23 outputs torque, a reaction force will be generated to drive the shaking motor 20 to drive the first rotating seat to rotate, and then drive the assembly support 60 and the head body 10 to rotate around the second axis.

[0099] In this way, the oscillating motor 20 can drive the oscillation up and down and left and right through the two output shafts.

[0100] The present application also provides a fan 200, comprising the above-mentioned head assembly 100. It can be understood that, in order to achieve its normal function, the fan 200 also includes a body assembly 210, and the head assembly 100 is connected to the body assembly 210.

[0101] The assembly process of the fan 200 is briefly described below:

[0102] During the assembly process, the main body 415 is first assembled into the assembly groove 633 of the outer shell 63, and the pressing part 414 is exposed, then the unlocking part 413 is sleeved into the main body 415 of the operating part 41, and then the second elastic part 44 is assembled into the accommodating groove 41311 in the unlocking part 413, and then the locking part 412 is assembled to one end of the main body 415 by welding or screwing, and then the first elastic part 43 is assembled to the recessed hole 4123 of the locking part 412, thereby completing the main assembly work of the clutch mechanism 40, and then the clutch mechanism 40 is assembled to other components of the head assembly 100 for assembly.

[0103] When the user only wants to start the left and right shaking of the fan 200, the user needs to press the operating member 41 through the pressing portion 414, so that the third guide surface 4122 of the locking portion 412 contacts the first guide surface 421 of the buckle 42, and the buckle 42 is ejected outward until the second locking surface 4121 of the locking portion 412 contacts the first locking surface 422 of the buckle 42. At this time, the operating member 41 will also drive the first gear 31 to move downward at the same time, so that the first gear 31 and the second gear 32 will be separated, so that the second gear 32 will not operate, the up and down shaking will stop, and only the left and right shaking will be started.

[0104] When the user wants to start the up and down shaking, he only needs to press the operating member 41 through the pressing part 414 again. At this time, the buckle 42 will be deformed outward by the unlocking part 413, and then the first locking surface 422 of the buckle 42 will contact the second guide surface 4132 of the unlocking part 413. Then, when the operating member 41 continues to be pressed down, the second elastic member 44 will continue to be compressed into the accommodating groove 41311 of the unlocking part 413 until the unlocking part 413 contacts the locking part 412 and the pressing force is removed. At this moment, under the action of the first elastic member 43, the operating member 41 will move upward until the driving part 411 of the operating member 41 contacts the lower edge of the assembly groove 633 of the shell 63, and then it returns to the initial position. During this process, the first gear 31 moves upward and meshes with the second gear 32, and the up and down shaking starts working again.

[0105] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0106] The above-described embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be construed as limiting the scope of the patent application. It should be pointed out that, for a person of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent application shall be subject to the attached claims.

Claims

1. A head assembly for a fan, characterized in that: The head assembly comprises a head body (10), an oscillating head motor (20), a transmission mechanism (30) and a clutch mechanism (40); the transmission mechanism (30) is arranged between the oscillating head motor (20) and the head body (10); the transmission mechanism (30) has a transmission state and a non-transmission state; in the transmission state, the transmission mechanism (30) is transmission-connected to the oscillating head motor (20) and the head body (10); the oscillating head motor (20) can drive the head body (10) to rotate through the transmission mechanism (30); the clutch mechanism (40) is transmission-connected to the transmission mechanism (30) and is configured to be able to drive the transmission mechanism (30) to switch between the transmission state and the non-transmission state.

2. The head assembly according to claim 1, characterized in that: The transmission mechanism (30) comprises a first gear (31) and a second gear (32); the first gear (31) is configured to be movably arranged and has a transmission position and a non-transmission position; the clutch mechanism (40) is transmission-connected to the first gear (31) and is configured to be able to drive the first gear (31) to switch between the transmission position and the non-transmission position; When the first gear (31) is in the transmission position, it meshes with the second gear (32), and the transmission mechanism (30) is in a transmission state; when the first gear (31) is in the non-transmission position, it disengages from the second gear (32), and the transmission mechanism (30) is in a non-transmission state.

3. The head assembly according to claim 2, characterized in that: The clutch mechanism (40) comprises an operating member (41) and a buckle (42); the operating member (41) has a driving portion (411) and a locking portion (412); the driving portion (411) cooperates with the first gear (31); the operating member (41) drives the first gear (31) to move via the driving portion (411); when the operating member (41) drives the first gear (31) to move to the transmission position and / or the non-transmission position, the locking portion (412) engages with the buckle (42).

4. The head assembly according to claim 3, characterized in that: The operating member (41) is configured to be movable along an engagement direction until the locking portion (412) engages with the buckle (42); the clutch mechanism (40) further comprises a first elastic member (43), the first elastic member (43) cooperates with the operating member (41) and is configured to provide a driving force for driving the operating member (41) to move in a direction opposite to the engagement direction; The buckle (42) has a first guide surface (421), the first guide surface (421) intersecting with the engagement direction and used to generate a guide for engaging the buckle (42); The clutch mechanism (40) further comprises a second elastic member (44); the operating member (41) further comprises an unlocking portion (413); the unlocking portion (413) is arranged upstream of the locking portion (412) in the engagement direction; the unlocking portion (413) comprises a contact surface (4131) and a second guide surface (4132); the contact surface (4131) is arranged downstream of the second guide surface (4132) in the engagement direction; the unlocking portion (413) is configured to be movable relative to the locking portion (412) in a direction parallel to the engagement direction; the second elastic member (44) is arranged between the locking portion (412) and the unlocking portion (413) and can be compressed until the contact surface (4131) abuts against the locking portion (412); the second guide surface (4132) intersects with the engagement direction and is used to generate a guide for disengaging from the buckle (42).

5. The head assembly according to claim 4, characterized in that: The operating member (41) is configured to be able to push the first gear (31) to move along the engagement direction, and the clutch mechanism (40) further comprises a third elastic member (45), the third elastic member (45) cooperates with the first gear (31) and is configured to provide a driving force for driving the operating member (41) to move in a direction opposite to the engagement direction.

6. The head assembly according to claim 5, characterized in that: The machine head body (10) is configured to be rotatable around a first axis, and the transmission mechanism (30) further comprises a rack (33), wherein the rack (33) is provided on the machine head body (10) and is arranged around the first axis; The first gear (31) is transmission-connected to the oscillating motor (20) and has a first conical tooth portion (311); the second gear (32) has a second conical tooth portion (321) and a second cylindrical tooth portion (322); the second cylindrical tooth portion (322) is meshed with the rack (33); when the first gear (31) is in the transmission position, the second conical tooth portion (321) is meshed with the first conical tooth portion (311); when the first gear (31) is in the non-transmission position, the second conical tooth portion (321) is separated from the first conical tooth portion (311).

7. The head assembly according to claim 6, characterized in that: The head assembly further comprises a housing (63), the housing (63) having an assembly groove (633), the assembly groove (633) extending in a direction parallel to the engagement direction, the operating member (41) being disposed in the assembly groove (633) and being configured to be movable along the assembly groove (633); the operating member (41) further comprises a pressing portion (414), the pressing portion (414) being at least partially located outside the housing (63); And / or, the head assembly further comprises a mounting seat (51), the mounting seat (51) having a column (511), the column (511) extending in a direction parallel to the engagement direction and having an axial hole therein, the gear shaft of the first gear (31) being rotatably disposed in the axial hole, the third elastic member (45) being disposed in the axial hole and abutting against the gear shaft of the first gear (31); And / or, the head assembly further comprises a mounting seat (51), the buckle (42) is arranged on the mounting seat (51), and the buckle (42) is an annular buckle, and the first elastic member (43) is arranged in the buckle (42) and abuts against the operating member (41).

8. The head assembly according to any one of claims 1 to 7, characterized in that: The machine head assembly further comprises an assembly support (60), a first rotating seat and a second rotating seat (52); the machine head body (10) is rotatably arranged on the assembly support (60) around a first axis; the first rotating seat and the second rotating seat (52) are rotatably matched around a second axis; the direction of the second axis intersects the direction of the first axis; The assembly support (60) is arranged on the first rotating seat, and the second rotating seat (52) is used for fixedly connecting the body assembly (210) of the fan; The shaking head motor (20) is connected to the head body (10) through the transmission mechanism (30) so as to be able to drive the head body (10) to rotate around the first axis; the shaking head motor (20) is connected to the second rotating seat (52) so as to be able to drive the first rotating seat and the second rotating seat (52) to rotate relative to each other.

9. The head assembly according to claim 8, characterized in that: The shaking head motor (20) comprises a first output shaft (22) and a second output shaft (23); the first output shaft (22) is drivingly connected to the machine head body (10); and the second output shaft (23) is engaged with the second rotating seat (52) in a rotation direction around the second axis to prevent rotation.

10. A fan, characterized in that: Comprising a head assembly as described in any one of claims 1-9.

Images