WO2022156295A1

WO2022156295A1 - Fan head oscillating assembly and electric fan

Info

Publication number: WO2022156295A1
Application number: PCT/CN2021/126471
Authority: WO
Inventors: 胡健兴; 王勇; 陈宇强; 陈中兆; 刘建优; 张超
Original assignee: 珠海格力电器股份有限公司
Priority date: 2021-01-22
Filing date: 2021-10-26
Publication date: 2022-07-28
Also published as: CN112761988A

Abstract

A fan head oscillating assembly (10) and an electric fan. The fan head oscillating assembly (10) comprises a support (11), a main electric motor (12), a head oscillating electric motor (13), a circuit board (14) and an electric device assembly (15), wherein the support (11) encloses to form a mounting cavity (111) with an opening, the head oscillating electric motor (13) and the electric device assembly (15) are both located in the mounting cavity (111), the circuit board (14) is disposed on the position on the support (11) that has the opening, and the main electric motor (12) is connected to the front portion of the support (11).

Description

Fan head assembly and electric fan

This disclosure claims the priority of the Chinese patent application with the application number 202110086529.X and the invention title "Fan Shaking Assembly and Electric Fan" filed with the China Patent Office on January 22, 2021, the entire contents of which are incorporated herein by reference middle.

technical field

The present disclosure relates to the technical field of fan parts, and in particular, to a fan head assembly and an electric fan.

Background technique

The head part of the electric fan with shaking head function includes shaking head motor, main motor and other electrical devices, and there are many kinds of parts. Moreover, in order to enable the main motor to swing with the swing motor, the relative position between the main motor and the swing motor is fixed, so it is necessary to use some connecting pieces to connect the two together. As a result, the overall assembly process of the fan head assembly is cumbersome and the assembly efficiency is low.

SUMMARY OF THE INVENTION

Aiming at the technical problem of low assembly efficiency, the present disclosure proposes a fan shaking head assembly and an electric fan to improve assembly efficiency.

A fan swinging assembly, comprising a bracket, a main motor, a swinging motor, a circuit board and an electrical assembly, the bracket encloses an installation cavity with an opening, and the swinging motor and the electric assembly are both located in the installation cavity , the circuit board is arranged at the position where the bracket has the opening, and the main motor is connected to the front part of the bracket.

The above solution provides a fan rocking motion assembly, which uses the bracket to carry the main motor, the rocking motion motor, the circuit board and the electrical components. Specifically, the rocking motor and the electrical components are installed in the installation cavity. The circuit board is arranged at the opening of the installation cavity, and the main motor is connected to the front part of the bracket. Therefore, the integration degree of the fan head assembly is improved, and the assembly efficiency is improved.

In one of the embodiments, it further includes a first connecting member, a first through hole is formed on the front side wall of the installation cavity, a fixing hole is formed on the back of the main motor away from the fan blade, and the first connection The parts pass through the first via hole and the fixing hole in sequence to connect the bracket and the main motor.

In one embodiment, the bracket further includes a first blocking arm extending to the front of the front side wall of the installation cavity, and the first blocking arm is spaced from the outer peripheral surface of the main motor to form a first wiring gap , there are a plurality of the first blocking arms, and the plurality of the first blocking arms are arranged at intervals along the circumferential direction of the outer peripheral surface of the main motor.

In one of the embodiments, the front side wall of the installation cavity is provided with a wire notch, the opening of the wire notch is located on the outer peripheral surface of the front side wall, and the opening of the wire notch is provided with an elastic blocking arm covering the opening;

And/or, a side wall of the installation cavity close to the side wall of the electrical component is provided with a wiring hole.

In one of the embodiments, the bracket includes baffles against the left and right sides of the circuit board, a support plate suspended outside the baffle is provided on the outer side of the baffle, and the support plate is provided with A second blocking arm, the second blocking arm is spaced from the baffle to form a second wiring gap, there are multiple second blocking arms, and a plurality of the second blocking arms are along the front and rear of the support plate The directions are arranged at intervals.

In one of the embodiments, a fastener is also included, a rear side wall of the installation cavity is provided with a socket, the electrical component is installed in the installation cavity through the socket, and the electrical component is provided with a socket. An auxiliary protrusion protruding to the side, the auxiliary protrusion is located behind the rear side wall, and the auxiliary protrusion is in conflict with the rear side wall, and the auxiliary protrusion is provided with a second through hole , the bracket is provided with a first limit post passing through the second through hole, the fastener is detachably connected to the first limit post, and is set to limit the auxiliary protrusion on the first limit post.

In one embodiment, the opening on the bracket is provided with a plurality of supporting ribs, the plurality of supporting ribs are arranged at intervals, and are configured to support and limit the circuit board at the desired position. A button is provided on the top surface of the bracket and/or the circuit board away from the mounting cavity.

In one of the embodiments, a second connecting member is further included, a plurality of the supporting ribs are arranged at the left and right edges of the circuit board, and a rear edge of the circuit board is provided with a third via hole and a first limit A support post is provided on the bracket at a position corresponding to the third via hole, a threaded hole is provided in the support post, and the second connecting piece passes through the third via hole and the support post A second limiting column is provided on the bracket at a position corresponding to the first limiting hole, and the second limiting column is inserted into the first limiting hole.

In one of the embodiments, a third connecting piece is further included, a fourth through hole and a second limiting hole are provided on the oscillating motor, and the third connecting piece passes through the fourth through hole and is connected to the installation The bottom wall of the cavity is connected, and the bottom wall of the installation cavity is provided with a third limit post, the third limit post is inserted into the second limit hole, and the bottom wall of the installation cavity is connected to the The position corresponding to the rotating shaft of the rocking motor is provided with an opening, and/or the main shaft of the main motor is arranged in the front-rear direction, and the rotating shaft of the rocking motor is arranged in the longitudinal direction.

An electric fan includes the above-mentioned fan shaking head assembly.

The above solution provides an electric fan, by using the fan swing assembly described in any of the above embodiments, the main motor, swing motor, circuit board and electrical components are integrated on the bracket, thereby improving assembly efficiency.

Description of drawings

The accompanying drawings constituting a part of the present disclosure are used to provide further understanding of the present disclosure, and the exemplary embodiments of the present disclosure and their descriptions are used to explain the present disclosure and do not constitute an improper limitation of the present disclosure.

In order to illustrate the technical solutions in the embodiments of the present disclosure more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present disclosure. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

FIG. 1 is a schematic structural diagram of the fan shaking head assembly according to the present embodiment;

Fig. 2 is an exploded view of the fan shaking head assembly shown in Fig. 1;

3 is a schematic structural diagram of the stent according to this embodiment;

FIG. 4 is a schematic structural diagram of the bracket shown in FIG. 3 from another viewing angle;

Fig. 5 is the bottom view of the bracket described in this embodiment;

FIG. 6 is a schematic structural diagram of the main motor according to this embodiment;

FIG. 7 is a schematic structural diagram of the circuit board according to this embodiment;

FIG. 8 is a schematic structural diagram of the tilting motor according to the present embodiment;

FIG. 9 is a schematic structural diagram of the electrical component according to this embodiment.

Description of reference numbers:

10. Fan shaking head assembly; 11. Bracket; 111. Installation cavity; 1111. Supporting rib; 1112. Supporting column; 1113. Second limiting column; 112. Front side wall; 1121. Notch; 1123, elastic blocking arm; 113, rear side wall; 1131, socket; 114, bottom wall; 1141, third limit post; 1142, give way; 115, first blocking arm; 116, baffle; 117, support plate; 118, second stop arm; 1181, second wiring gap; 119, wiring hole; 12, main motor; 121, fixing hole; 122, main shaft; 13, swing motor; 131, fourth pass hole; 132, second limit hole; 14, circuit board; 141, third via hole; 142, first limit hole; 15, electrical component; 151, auxiliary protrusion; 1511, second via hole; 16, Fasteners; 20. Lines.

Detailed ways

In order to make the above objects, features and advantages of the present disclosure more clearly understood, the specific embodiments of the present disclosure will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. However, the present disclosure can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present disclosure. Therefore, the present disclosure is not limited by the specific embodiments disclosed below.

As shown in FIGS. 1 and 2 , in one embodiment, a fan swing motion assembly 10 is provided, including a bracket 11 , a main motor 12 , a swing motion motor 13 , a circuit board 14 and an electrical component 15 . As shown in FIG. 3 , the bracket 11 encloses an installation cavity 111 having an opening. Both the swing motor 13 and the electrical component 15 are located in the installation cavity 111 . The circuit board 14 is disposed on the bracket 11 where the opening is provided. The main motor 12 is connected to the front of the bracket 11 .

A fan shaking head assembly 10 provided by the above solution uses the bracket 11 to carry the main motor 12, the shaking head motor 13, the circuit board 14 and the electrical assembly 15. Specifically, the shaking head motor 13 and the electrical assembly 15 are both. Installed in the installation cavity 111 , the circuit board 14 is disposed at the opening of the installation cavity 111 , and the main motor 12 is connected to the front of the bracket 11 . Thus, the integration degree of the fan head assembly 10 is improved, and the assembly efficiency is improved.

As shown in FIG. 1 , in one embodiment, the electrical components 15 and the swing motor 13 are sequentially arranged in the installation cavity 111 along the left-right direction. The back of the main motor 12 away from the fan blade is connected to the bracket 11 .

In one embodiment, as shown in FIGS. 1 and 3 , the rear side wall 113 of the installation cavity 111 is provided with an insertion hole 1131 , and the electrical component 15 is installed in the installation cavity 111 through the insertion hole 1131 . .

As shown in FIG. 1 , FIG. 2 and FIG. 9 , the electrical component 15 is provided with auxiliary protrusions 151 protruding laterally. The auxiliary protrusion 151 is located behind the rear side wall 113 , and the auxiliary protrusion 151 collides with the rear side wall 113 . The auxiliary protrusion 151 is provided with a second via hole 1511 , and the bracket 11 is provided with a first limiting column passing through the second via hole 1511 . The fan head assembly 10 further includes a fastener 16, the fastener 16 is detachably connected to the first limit post, and is used to limit the auxiliary protrusion 151 to the first limit post superior.

In one embodiment, the first limiting post is provided with an external thread. The fastener 16 includes a knob. As shown in FIG. 1 , the knob is screwed on the first limiting column to limit the auxiliary protrusion 151 on the first limiting column.

During the installation process, the electrical component 15 is first inserted into the installation cavity 111 from the insertion hole 1131 , and the first limiting post passes through the second through hole 1511 . Then, the knob is screwed on the first limiting column, so as to fix the electrical component 15 on the bracket 11 .

In one embodiment, the fastener 16 may also be a clip, and the fastener 16 is detachably connected to the first limit post by means of clip.

In one embodiment, as shown in FIG. 3 and FIG. 4 , the front side wall 112 of the mounting cavity 111 is provided with a first via hole 1121 . As shown in FIG. 6 , a fixing hole 121 is provided on the back of the main motor 12 away from the fan blade. The fan head assembly 10 further includes a first connecting piece, and the first connecting piece passes through the first through hole 1121 and the fixing hole 121 in sequence to connect the bracket 11 and the main motor 12 . Therefore, as shown in FIG. 1 , the main motor 12 is suspended in front of the bracket 11 .

In one embodiment, as shown in FIG. 1 , the main shaft 122 of the main motor 12 is arranged in the front-rear direction; the rotating shaft of the swing motor 13 is arranged in the longitudinal direction. The crank of the swing motor 13 is rotatably connected to the connecting rod that is rotatably arranged on the connecting head of the electric fan, so that when the swing motor 13 is running, the fan swing assembly 10 rotates relative to the connecting head, so that the main motor 12 The fan blades on the main shaft 122 of the shaft oscillate relative to the connector.

In one embodiment, as shown in FIGS. 1 to 3 , the bracket 11 further includes a first blocking arm 115 extending to the front of the front side wall 112 of the installation cavity 111 . The first blocking arm 115 is spaced from the outer peripheral surface of the main motor 12 to form a first wiring gap. There are a plurality of the first blocking arms 115 , and the plurality of the first blocking arms 115 are arranged at intervals along the circumferential direction of the outer peripheral surface of the main motor 12 .

As shown in FIG. 3 , the front side wall 112 of the installation cavity 111 refers to the side wall of the installation cavity 111 that is close to the main motor 12 and connected to the main motor 12 . The front of the front side wall 112 refers to the direction facing the main motor 12 on the front side wall 112 . The main motor 12 , the swing motor 13 , the circuit board 14 and the electrical components 15 need to be electrically connected to each other, so as shown in FIG. 1 and FIG. A plurality of wires 20 travel through each of the first wire gaps, and are arranged in an orderly manner along the circumferential direction of the main motor 12 . The efficiency of the arrangement of the lines 20 during the assembly process of the fan head assembly 10 is further improved.

In one embodiment, as shown in FIG. 3 and FIG. 4 , the front side wall 112 of the installation cavity 111 is provided with a wire clip notch 1122 , and the opening of the clip wire notch 1122 is located on the outer peripheral surface of the front side wall 112 Above, an elastic blocking arm 1123 for blocking the opening is provided at the opening of the clamping wire notch 1122 .

As shown in FIG. 1 , a plurality of lines 20 are assembled under the bracket 11 , and the lines 20 that need to be connected to the circuit board 14 and the main motor 12 run along the first wiring gap, and finally pass from the card The elastic blocking arm 1123 is pressed at the opening of the wire notch 1122 , so that the wire 20 is stuck in the wire notch 1122 . The circuit 20 is connected to the circuit board 14 or the main motor 12 after passing through the wire clip notch 1122 . The wire clip notch 1122 has a certain limiting effect on the circuit 20 , so that the circuit 20 changes from the original circumferential arrangement of the main motor 12 to the lateral arrangement, and then travels into the installation cavity 111 .

As shown in FIG. 3 and FIG. 4 , in one embodiment, the number of the clamping wire notches 1122 is two, and the two clamping wire notches 1122 are left-right symmetrical with the longitudinal section passing through the axis of the main shaft 122 of the main motor 12 as the symmetry plane distributed.

In one embodiment, as shown in FIG. 3 , the bracket 11 includes baffles 116 against the left and right sides of the circuit board 14 . The outer side of the baffle 116 is provided with a support plate 117 suspended outside the baffle 116 , the support plate 117 is provided with a second blocking arm 118 , and the second blocking arm 118 is spaced from the baffle 116 . A second wiring gap 1181 is formed. There are a plurality of the second blocking arms 118 , and the plurality of the second blocking arms 118 are arranged on the support plate 117 at intervals along the front-rear direction.

As shown in FIG. 1 , part of the lines 20 to be connected to the circuit board 14 pass through each of the second wiring gaps 1181 in sequence in the front-rear direction. The plurality of the second wiring gaps 1181 provide guidance for the wiring 20 to move forward, and improve the simplicity of the wiring 20 arrangement. The assembly efficiency is further improved, and at the same time, the whole assembly of the fan head assembly 10 is more concise.

In one embodiment, as shown in FIG. 4 , a wiring hole 119 is provided in the side wall of the installation cavity 111 close to the side wall of the electrical component 15 . Specifically, when the electrical components 15 and the tilting motors 13 are sequentially arranged in the left and right directions in the installation cavity 111 , the wiring holes 119 are provided in the left and right side walls of the installation cavity 111 close to the installation cavity 111 . on the side wall of the electrical component 15.

Since both the swing motor 13 and the electrical components 15 are arranged in the installation cavity 111 , and the circuit board 14 shields the opening of the installation cavity 111 , it is necessary to pass through the installation cavity 111 to meet the The line 20 connected to the swing motor 13 or the electrical component 15 enters from the wiring hole 119 . Moreover, the swing motor 13 and the electrical components 15 are arranged in the left and right directions in the installation cavity 111 in sequence, and the wiring holes 119 are arranged in the left and right side walls of the installation cavity 111 close to the electrical components On the side wall of 15 , the line 20 can be more easily connected with the electrical components 15 .

As shown in FIG. 3 , in one embodiment, the opening on the bracket 11 is provided with support ribs 1111 , the support ribs 1111 are multiple, and the multiple support ribs 1111 are arranged at intervals for connecting the The circuit board 14 is supported and limited on the bracket 11 . Specifically, the arrangement positions of the plurality of the support ribs 1111 may be set according to the shape of the circuit board 14 .

In one embodiment, a button is provided on the top surface of the circuit board 14 away from the mounting cavity 111 . Therefore, during use, each button is directly controlled on the top of the head of the electric fan, thereby regulating the electric fan.

In one embodiment, as shown in FIGS. 1 to 3 , a plurality of the support ribs 1111 are arranged at the left and right edges of the circuit board 14 . As shown in FIG. 7 , the rear edge of the circuit board 14 is provided with a third via hole 141 and a first limiting hole 142 . As shown in FIG. 3 , a support column 1112 is provided on the bracket 11 at a position corresponding to the third via hole 141, and a threaded hole is provided in the support column 1112. The fan head assembly 10 further includes a second connecting piece, and the second connecting piece passes through the third through hole 141 and is threadedly engaged with the support column 1112 . As shown in FIG. 3 , a position corresponding to the first limiting hole 142 on the bracket 11 is provided with a second limiting column 1113 , and the second limiting column 1113 is inserted into the first limiting hole 142 middle. Finally, the circuit board 14 is fixed on the bracket 11 .

In one embodiment, as shown in FIG. 8 , the tilting motor 13 is provided with a fourth through hole 131 and a second limiting hole 132 . The fan head assembly 10 further includes a third connecting piece, and the third connecting piece is connected to the bottom wall 114 of the installation cavity 111 through the fourth through hole 131 . As shown in FIG. 5 , the bottom wall 114 of the installation cavity 111 is provided with a third limiting column 1141 , and the third limiting column 1141 is inserted into the second limiting hole 132 . Thus, the swing motor 13 is fixed in the installation cavity 111 . When the swing motor 13 operates, the bracket 11 swings relative to the connecting head following the swing motor 13 . Furthermore, the main motor 12 , the circuit board 14 , the electrical components 15 , etc. connected to the bracket 11 are all swayed accordingly.

In one embodiment, as shown in FIG. 5 , the position corresponding to the rotating shaft of the swing motor 13 on the bottom wall 114 of the installation cavity 111 is provided with a clearance opening 1142 . The crank of the swing motor 13 extends out of the bracket 11 through the escape opening 1142 and is rotatably connected to the connecting rod.

In another embodiment, an electric fan is provided, including the fan head assembly 10 described above.

The above solution provides an electric fan, which integrates the main motor 12 , the oscillating motor 13 , the circuit board 14 and the electrical component 15 on the bracket 11 by using the fan rocking assembly 10 described in any of the above embodiments. , thereby improving assembly efficiency.

In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " Back, Left, Right, Vertical, Horizontal, Top, Bottom, Inner, Outer, Clockwise, Counterclockwise, Axial , "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present disclosure and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed, and operate in a particular orientation and are therefore not to be construed as limitations of the present disclosure.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature delimited with "first", "second" may expressly or implicitly include at least one of that feature. In the description of the present disclosure, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

In the present disclosure, unless otherwise expressly specified and limited, the terms "installed", "connected", "connected", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection , or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between the two elements, unless otherwise specified limit. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific situations.

In the present disclosure, unless expressly stated and defined otherwise, a first feature "on" or "under" a second feature may be in direct contact with the first and second features, or indirectly through an intermediary between the first and second features touch. Also, the first feature being "above", "over" 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 level higher 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 has a lower level than the second feature.

It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or an intervening element may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present disclosure, and the descriptions thereof are relatively specific and detailed, but should not be construed as a limitation on the scope of the invention patent. It should be noted that, for those skilled in the art, without departing from the concept of the present disclosure, several modifications and improvements can be made, which all belong to the protection scope of the present disclosure. Accordingly, the scope of protection of the present disclosure should be determined by the appended claims.

Claims

A fan swinging assembly, comprising a bracket, a main motor, a swinging motor, a circuit board and an electrical assembly, the bracket encloses an installation cavity with an opening, and the swinging motor and the electric assembly are both located in the installation cavity , the circuit board is arranged at the position where the bracket has the opening, and the main motor is connected to the front part of the bracket.
The fan head assembly according to claim 1, further comprising a first connecting member, a first through hole is formed on the front side wall of the installation cavity, and a fixing hole is formed on the back of the main motor away from the fan blade , the first connecting piece connects the bracket and the main motor sequentially through the first via hole and the fixing hole.
The fan head assembly according to claim 2, wherein the bracket further comprises a first blocking arm extending to the front of the front side wall of the installation cavity, the first blocking arm being spaced from the outer peripheral surface of the main motor A first wiring gap is formed, there are a plurality of the first blocking arms, and the plurality of the first blocking arms are arranged at intervals along the circumferential direction of the outer peripheral surface of the main motor.
The fan head assembly according to claim 1, wherein the front side wall of the installation cavity is provided with a clip wire notch, and the opening of the clip wire gap is located on the outer peripheral surface of the front side wall. The opening of the notch is provided with an elastic blocking arm that shields the opening.
The fan head assembly according to claim 1, wherein a side wall of the installation cavity is provided with a wiring hole in a side wall close to the electrical component.
The fan head assembly according to claim 1, wherein the front side wall of the installation cavity is provided with a clip wire notch, and the opening of the clip wire gap is located on the outer peripheral surface of the front side wall. The opening of the notch is provided with an elastic blocking arm that shields the opening; and the side wall of the installation cavity close to the side wall of the electrical component is provided with a wiring hole.
The fan shaking head assembly according to claim 1, wherein the bracket comprises baffle plates that resist the left and right sides of the circuit board, and a support plate suspended outside the baffle plate is provided on the outer side of the baffle plate, so The support plate is provided with a second blocking arm, the second blocking arm is spaced from the blocking plate to form a second wiring gap, the number of the second blocking arms is multiple, and the plurality of the second blocking arms are located at each position. The support plates are arranged at intervals along the front-rear direction.
The fan head assembly according to any one of claims 1 to 7, further comprising a fastener, a rear side wall of the installation cavity is provided with an insertion hole, and the electrical component is installed on the electric appliance through the insertion hole. In the installation cavity, an auxiliary protrusion protruding to the side is provided on the electrical component, the auxiliary protrusion is located behind the rear side wall, and the auxiliary protrusion collides with the rear side wall, so The auxiliary protrusion is provided with a second via hole, the bracket is provided with a first limit post passing through the second via hole, and the fastener is detachably connected to the first limit post, used to limit the auxiliary protrusion on the first limit post.
The fan head assembly according to any one of claims 1 to 7, wherein the opening on the bracket is provided with a support rib, the number of the support rib is multiple, and the multiple support ribs are arranged at intervals for use in The circuit board support is limited on the bracket.
The fan head assembly according to any one of claims 1 to 7, wherein a button is provided on a top surface of the circuit board away from the installation cavity.
The fan head assembly according to any one of claims 1 to 7, wherein the opening on the bracket is provided with a support rib, the number of the support rib is multiple, and the multiple support ribs are arranged at intervals for use in The circuit board is supported and limited on the bracket; a button is provided on the top surface of the circuit board away from the installation cavity.
The fan head assembly according to claim 9, further comprising a second connecting piece, a plurality of the supporting ribs are arranged at the left and right edges of the circuit board, and a rear edge of the circuit board is provided with a third pass through holes and a first limiting hole, a support column is provided on the bracket at a position corresponding to the third via hole, a threaded hole is provided in the support column, and the second connecting piece passes through the third via hole. The hole is threadedly matched with the support post, and a second limit post is provided on the bracket at a position corresponding to the first limit hole, and the second limit post is inserted into the first limit hole.
The oscillating fan assembly according to any one of claims 1 to 7, further comprising a third connecting piece, the oscillating motor is provided with a fourth through hole and a second limiting hole, and the third connecting piece passes through connected to the bottom wall of the installation cavity through the fourth through hole, the bottom wall of the installation cavity is provided with a third limit post, and the third limit post is inserted into the second limit hole , the bottom wall of the installation cavity is provided with an opening at the position corresponding to the rotating shaft of the rocking motor.
The fan swing assembly according to any one of claims 1 to 7, wherein the main shaft of the main motor is arranged in the front-rear direction, and the rotating shaft of the swing motor is arranged in the longitudinal direction.
The oscillating fan assembly according to any one of claims 1 to 7, further comprising a third connecting piece, the oscillating motor is provided with a fourth through hole and a second limiting hole, and the third connecting piece passes through connected to the bottom wall of the installation cavity through the fourth through hole, the bottom wall of the installation cavity is provided with a third limit post, and the third limit post is inserted into the second limit hole The bottom wall of the installation cavity is provided with an opening at the position corresponding to the rotating shaft of the rocking motor; the main shaft of the main motor is arranged in the front-rear direction, and the rotating shaft of the rocking motor is longitudinally arranged.
An electric fan, comprising the fan head assembly according to any one of claims 1 to 15.