CN105927567B - Fan and assembling method thereof - Google Patents

Abstract

The invention discloses a fan and an assembling method thereof, wherein the fan comprises: the support assembly is arranged on the outer side of the circumferential edge of the handpiece assembly and extends along the circumferential direction of the handpiece assembly, the handpiece assembly can rotate relative to the support assembly, the support assembly comprises a first support shell and a second support shell which are arranged in a front-back mode, the first support shell and the second support shell are fixedly connected through a plurality of support shell buckles, and the plurality of support shell buckles are hidden in the first support shell and the second support shell; the chassis assembly is arranged at the bottom of the supporting assembly and is used for supporting the machine head assembly and the supporting assembly. According to the fan, the plurality of supporting shell fasteners are fixedly connected and hidden in the first supporting shell and the second supporting shell, so that the assembly efficiency of the first supporting shell and the second supporting shell is improved, and the cost is reduced.

Description

Fan and its assembly method

technical field

The invention relates to the field of household appliances, in particular to a fan and an assembly method thereof.

Background technique

In related technologies, with the labor shortage in modern industry, the increase of artificial manufacturing costs, and the modern society's higher and higher requirements for the appearance of products, at the same time, higher quality requirements for products with complex functions; so the products designed now require convenience. Production and assembly requires fewer screws, and the appearance of the designed product is required to be screw-free or less-screwed, so as to form a high-end product.

In addition, in the existing fans, the fan's shaking head mechanism mostly uses a gear box or a synchronous motor combined with a crank and a connecting rod to operate. Or shake your head up and down. However, the oscillating mechanism of the existing fan is a moving part, which is the core part of the fan. If it is easily changed, there will be problems in verification, many parts to be assembled, difficult to assemble, and there are many assembly operators, and the assembly error rate is high. It is easy to produce defective products, mainly due to abnormal head shaking, nodding, or scurrying, jamming, etc., and the production efficiency is low, and there are many manual operations, and it is not easy to operate. In addition, it is easy to cause the low-voltage start of the fan to fail.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, an object of the invention is to propose a fan which is efficient to assemble.

Another object of the present invention is to provide a fan assembly method.

The fan according to the first aspect of the present invention includes: a head assembly; a support assembly, the support assembly is arranged on the outside of the peripheral edge of the head assembly and extends along the circumference of the head assembly, wherein the The head assembly is rotatable relative to the support assembly, the support assembly includes a first support shell and a second support shell arranged front and back, and the first support shell and the second support shell are buckled by a plurality of support shells Fixedly connected, the plurality of support shells are buckled and hidden in the first support shell and the second support shell; and a chassis assembly, the chassis assembly is arranged at the bottom of the support assembly, and the chassis assembly is used for supporting the head assembly and the support assembly.

According to the fan of the present invention, the first support shell and the second support shell of the support assembly are fastened and fixedly connected through a plurality of support shells, and the multiple support shells are snapped and hidden in the first support shell and the second support shell , which greatly improves the assembly efficiency of the first supporting shell and the second supporting shell, thereby reducing the cost and improving the overall quality of the fan.

According to some embodiments of the present invention, the first support shell and the second support shell are positioned by at least one first positioning structure and fixedly connected by a first fastener.

Specifically, the first fastener is fixed to the second support shell after passing through the first support shell, and the surface of the first support shell away from the second support shell is provided with a decoration a shell, the decorative shell covers the first fastener.

Further, the decoration shell is connected to the first support shell through a buckle structure, and the buckle structure is hidden in the decoration shell and the first support shell.

According to some embodiments of the present invention, a power board is arranged inside the second supporting shell, and the power board is positioned in the second supporting shell by at least one second positioning structure and fixed on the second supporting shell by a second fastener. inside the second support shell.

Specifically, the second positioning structure includes: two support limiters, the two support limiters are spaced apart from each other on the left and right, and each support limiter is connected to the inner surface of the second support shell , and each of the support limiters includes a support portion and a limit portion, the support portion is arranged at the bottom of the power board to support the power board, and the limiter is arranged at the bottom of the power board Side: buckle, the buckle is connected to the inner surface of the second supporting shell, the buckle is located on the top of the power board and fastens the power board.

According to some embodiments of the present invention, both ends of the support assembly extend upwards from the bottom of the head assembly along the peripheral edge of the head assembly to the left and right sides of the head assembly, wherein The head assembly is rotatably connected between the two ends of the support assembly.

According to some embodiments of the present invention, the supporting assembly is rotatable relative to the chassis assembly through a motor and a belt transmission mechanism.

According to the fan assembly method according to the second aspect of the present invention, the fan includes a head assembly, a support assembly provided outside the circumferential edge of the head assembly and extending along the circumference of the head assembly, and a chassis Assemblies, the head assembly includes a first mesh cover and a second mesh cover connected front and back, a driving motor arranged on the second mesh cover, and a drive motor arranged on the first mesh cover and the second mesh cover The fan blade inside and connected with the drive motor, the head assembly is rotatable relative to the support assembly, the support assembly includes a first support shell and a second support shell arranged in front and behind, the first support shell It is fixedly connected with the second support shell through a plurality of support shell buckles, and the multiple support shell snaps are hidden in the first support shell and the second support shell, and the second support shell is equipped with There is a power board, the power board is positioned in the second support shell by the second positioning structure and fixed in the second support shell by at most two second fasteners, and the distance from the first support shell is A decorative shell is provided on one side surface of the second support shell, the chassis assembly is arranged at the bottom of the support assembly, the chassis assembly is used to support the head assembly and the support assembly, and the assembly The method includes the following steps: connecting the second net cover with the drive motor; installing the power board in the second supporting shell through at least one of the second positioning structure and the second fastener ; Assemble the second net cover with the drive motor installed on the second support shell with the power board installed to obtain a second support shell assembly; pass the first support shell through the multiple The first supporting shell is buckled and installed on the second supporting shell assembly; the decorative shell is connected to the first supporting shell; the fan blade and the first net cover are sequentially installed on the driving motor and said second grille; installing a chassis assembly to the bottom of said nose assembly and said support assembly assembled in place.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

FIG. 1 is an exploded view of a fan according to an embodiment of the present invention;

Fig. 2 is the schematic diagram of the second supporting shell assembly shown in Fig. 1;

Fig. 3 is an enlarged view of part A circled in Fig. 2;

Fig. 4 is a schematic diagram of the assembly of the first support shell, the motor and the belt transmission mechanism shown in Fig. 1;

Fig. 5 is a schematic diagram of the assembly of the head assembly and the support assembly shown in Fig. 1;

Fig. 6 is an assembly diagram of a fan according to an embodiment of the present invention;

Fig. 7 is an assembly schematic diagram of a fan according to another embodiment of the present invention;

8 is an exploded view of a fan according to an embodiment of the present invention;

Fig. 9 is a schematic diagram of the assembly of the motor and the belt transmission mechanism shown in Fig. 8;

Fig. 10 is a schematic diagram of the assembly of the first support shell, the motor and the belt transmission mechanism shown in Fig. 8;

Fig. 11 is a partial schematic view of the first support shell shown in Fig. 8;

Fig. 12 is a schematic diagram of the rotating support frame and the fixed column shown in Fig. 8;

Fig. 13 is a schematic diagram of the first supporting shell, the motor, the belt transmission mechanism and the rotating support frame shown in Fig. 8;

Fig. 14 is a schematic diagram of another angle of the first supporting shell, the motor, the belt transmission mechanism and the rotating support frame shown in Fig. 13 .

Reference signs:

100: fan;

1: head assembly; 11: first net cover; 12: second net cover; 13: drive motor;

14: wind blade; 15: leaf lock; 16: decorative cover;

2: support assembly; 21: first support shell; 211: first positioning column; 212: bearing; 213: support assembly tube;

22: second supporting shell; 221: second positioning column; 222: reinforcing rib;

223: support limit part; 2231: support part; 2232: limit part; 2233: stop part;

224: buckle; 225: second mounting hole;

23: decorative shell; 24: decorative panel; 25: rotating positioning piece;

3: Chassis assembly; 31: Rotating fixed seat; 32: Support column; 33: Column tube;

34: Connecting plate; 35: Chassis cover; 36: Vinyl parts;

37: rotating support frame; 371: fixed column;

3721: step surface; 3722: limit protrusion; 3723: wire hole;

4: belt transmission mechanism; 41: driving wheel; 42: driven wheel; 43: belt;

5: motor; 51: output shaft.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Rear", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Axial", "Radial", "Circumferential" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, use a specific Azimuth configuration and operation, therefore, should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The following describes a fan 100 according to an embodiment of the present invention with reference to FIGS. 1-14 . The fan 100 can be a stand fan. In the following description of the present application, the fan 100 is taken as a floor fan as an example for illustration. Of course, those skilled in the art can understand that the fan 100 according to the present invention can also be a table fan or the like.

As shown in FIG. 1 , a fan 100 according to an embodiment of the first aspect of the present invention, such as a stand fan, includes a head assembly 1 , a support assembly 2 and a chassis assembly 3 .

Referring to Fig. 1 and in conjunction with Fig. 6-Fig. 7, head assembly 1 comprises the first mesh cover 11 and the second mesh cover 12 that are connected front and back, the driving motor 13 that is arranged on the second mesh cover 12, and is located at the first mesh cover 13. The fan blades 14 inside the cover 11 and the second mesh cover 12 are connected to the driving motor 13, and the driving motor 13 is used to drive the fan blades 14 to rotate. Wherein, the first net cover 11 is connected to the front side of the second net cover 12 . Further, a leaf lock 15 is provided between the blades 14 and the first net cover 11 , and a decoration cover 16 is provided at the center of the front surface of the first net cover 11 .

The support assembly 2 is arranged on the outside of the peripheral edge of the head assembly 1 , and the support assembly 2 extends along the circumference of the head assembly 1 , wherein the head assembly 1 is rotatable relative to the support assembly 2 . The support assembly 2 supports the head assembly 1 and enables the head assembly 1 to rotate up and down relative to the support assembly 2 . In addition, the fan 100 such as the circuit board of the floor fan, the button assembly, the electric control module connected to the circuit, and the power board, the motor 5 and the belt transmission mechanism 4 hereinafter can all be arranged in the support assembly 2 . Here, it should be noted that the direction "outward" can be understood as a direction away from the center of the handpiece assembly 1, and the opposite direction is defined as "inward".

Specifically, the support assembly 2 includes a first support shell 21 and a second support shell 22 arranged front and back, the second support shell 22 is connected to the rear side of the first support shell 21, the rear side of the first support shell 21 is open and the second The front side of the supporting shell 22 is open, so that circuit boards, button assemblies, electric control modules, power boards, etc. can be installed in the first supporting shell 21 and the second supporting shell 22 . Wherein, the first support shell 21 and the second support shell 22 are fixedly connected by a plurality of support shell snaps, and the multiple support shells are snapped and hidden in the first support shell 21 and the second support shell 22 . For example, as shown in FIG. 4 , a plurality of supporting shell buckles are arranged at intervals along the circumferential direction of the first supporting shell 21 and the second supporting shell 22 . Thus, by adopting a plurality of support shell snaps, the assembly between the first support shell 21 and the second support shell 22 is greatly facilitated, and the assembly efficiency is improved, and since the multiple support shell snaps are all hidden in In the first supporting shell 21 and the second supporting shell 22 , no buckling of the supporting shells can be seen from the appearance of the assembled fan 100 , thereby improving the quality of the fan 100 .

The chassis assembly 3 is arranged at the bottom of the support assembly 2 , and the chassis assembly 3 is used to support the nose assembly 1 and the support assembly 2 . Wherein, the chassis assembly 3 can be detachably connected with the support assembly 2, so that the support assembly 2 can be connected with the chassis assembly 3 of different heights, so that the fan 100 can be applied to different occasions. For example, as shown in FIG. 6 , when the height of the chassis assembly 3 is high, the chassis assembly 3 can be directly placed on the ground and used as a floor fan. Certainly, as shown in FIG. 7 , when the height of the chassis assembly 3 is relatively low, the chassis assembly 3 can be placed on a table and used as a desk fan.

According to the fan 100 according to the embodiment of the present invention, for example, a floor fan, the first support shell 21 and the second support shell 22 of the support assembly 2 are fixedly connected by a plurality of support shell snaps, and the multiple support shell snaps are hidden in the second support shell. Inside the first supporting shell 21 and the second supporting shell 22 , the assembly efficiency of the first supporting shell 21 and the second supporting shell 22 is greatly improved, thereby reducing the cost and improving the overall quality of the fan 100 .

According to some embodiments of the present invention, the first support shell 21 and the second support shell 22 are positioned by at least one first positioning structure and fixed by a first fastener, thus, since the first positioning structure is first used for positioning, thereby The first support shell 21 and the second support shell 22 can be aligned conveniently, which greatly improves the assembly efficiency, and then the first support shell 21 and the second support shell 22 are fixed by the first fastener, so that the second The first supporting shell 21 and the second supporting shell 22 are firmly connected, and the number of the first fasteners is preferably at most two, since the number of the first fasteners is small, the assembly efficiency is further improved and the labor cost is reduced. Optionally, the first fastener is a screw, of course, the first fastener may also be a bolt or the like.

Specifically, as shown in FIG. 1 , FIG. 2 and FIG. 4 , each first positioning structure includes a first positioning column 211 provided in the first support shell 21 and a second positioning post 211 provided in the second support shell 22 . Post 221, the first positioning slot is formed in the first positioning post 211, the free end (for example, the front end among Fig. 1) of the second positioning post 221 is suitable for stretching in the first positioning slot, thus, can easily The first supporting shell 21 and the second supporting shell 22 are aligned front and rear, and are convenient to be fastened by the first fastener subsequently. Further, in order to ensure the strength of the second positioning column 221, a plurality of reinforcing ribs 222 arranged at intervals along its circumferential direction are provided on the outer peripheral wall of the second positioning column 221, and each reinforcing rib 222 can be obtained from the second supporting shell 22. The inner wall extends forward.

Further, the above-mentioned at most two first fasteners pass through the first support shell 21 and are fixed to the second support shell 22, for example, the first fasteners can pass through the first support shell 21 from front to back, The second support shell 22 on the rear side of the first support shell 21 is screwed, so that the first support shell 21 and the second support shell 22 are fixedly connected as one. A decorative shell 23 is provided on the side surface (for example, the front surface in FIG. 1 ) of the first support shell 21 away from the second support shell 22, and the decorative shell 23 covers the above-mentioned at most two first fasteners, as shown in FIG. 1 As shown in FIGS. 6-7 , the above-mentioned at most two first fasteners can be hidden in the decorative shell 23, and the first fasteners cannot be seen from the appearance of the fan 100 after assembly, thereby improving the fan 100. quality.

Further, the decoration shell 23 is connected to the first support shell 21 through a buckle structure, and the buckle structure is hidden in the decoration shell 23 and the first support shell 21 . Thus, by providing the buckle structure, the decoration shell 23 can be conveniently and securely installed on the first support shell 21, thereby further improving the assembly efficiency, and, since the buckle structure is hidden between the decoration shell 23 and the first support shell 21 Therefore, the buckle structure cannot be seen from the appearance of the fan 100 , which further ensures the aesthetics of the fan 100 and further improves the quality of the fan 100 . For example, as shown in FIG. 1, the buckle structure includes a buckle and a slot that cooperate with each other. The buckle can extend backward from the edge of the rear surface of the decorative shell 23, and the slot is formed on the first supporting shell 21 and the slot. At the position opposite to the buckle, when assembling, fasten the decorative shell 23 to the first supporting shell 21 from front to back, the free end of the buckle can extend into the slot and cooperate with the slot, so that the decorative shell 23 can be securely attached to the first support shell 21. Installed on the front surface of the first supporting case 21 .

According to some embodiments of the present invention, as shown in FIG. 2 and FIG. 3 , a power board is arranged inside the second supporting shell 22, and the power board is positioned in the second supporting shell 22 through a second positioning structure and passed through a second fastener. fixed in the second supporting shell 22 . Thus, by providing the second positioning structure, the power board can be positioned in the second support shell 22, thereby facilitating subsequent use of second fasteners to fix the power board in the second support shell 22, improving assembly efficiency, and , the number of the first fasteners is preferably at most two. At this time, since the number of the second fasteners is at most two, the number of the second fasteners is relatively small, thereby further improving the assembly efficiency and reducing the labor cost . Optionally, the second fastener is a screw, of course, the second fastener may also be a bolt or the like.

Specifically, as shown in FIG. 2 and FIG. 3 , the second positioning structure includes: two support limiters 223 and buckle members 224, the two support limiters 223 are spaced apart from each other on the left and right, and each support limiter 223 is connected to the inner surface of the second support shell 22 (for example, the front surface in FIGS. The bottom of the board is used to support the power board. The support part 2231 extends forward from the inner surface of the second support shell 22 beyond the front surface of the power board. The support part 2231 can prevent the power board from moving downward. The stopper is located on the power board. On the side, at this time, the two limiters supporting the limiter 223 are respectively located on the left and right sides of the power board, thus, the two limiters can limit the movement of the power board in the left and right directions. The buckle 224 is connected to the inner surface of the second supporting shell 22, the buckle 224 is located on the top of the power board and fastens the power board, and the bayonet of the buckle 224 is downward from the free end of the buckle 224 Extends at an angle to the rear and faces the front surface of the power strip to prevent the power strip from moving forward. Further, each support limiting member 223 may further include a stop portion 2233, which is located at the rear side of the power board, so as to prevent the power board from continuing to move backward. A second mounting hole 225 is respectively formed on the left side and the right side of the power board. After the power board is positioned in the second supporting shell 22 through the second positioning structure, two second fasteners can pass through the left and right sides of the power board respectively. The second mounting holes 225 on the side and the right side are screwed to the second supporting case 22 .

According to some embodiments of the present invention, as shown in Fig. 1, Fig. 5-Fig. They respectively extend upwards to the left and right sides of the head assembly 1 along the peripheral edge of the head assembly 1 , wherein the head assembly 1 is rotatably connected between the two ends of the support assembly 2 . Optionally, the above-mentioned two ends of the support assembly 2 may extend upwards slightly higher than the center of the nose assembly 1 to ensure the stability of the nose assembly 1 . The two first fasteners may be respectively located at the above two ends of the support assembly 2 .

According to some embodiments of the present invention, referring to FIG. 4 in combination with FIGS. 8-14 , the supporting assembly 2 is rotatable relative to the chassis assembly 3 through the motor 5 and the belt transmission mechanism 4 . Wherein, the motor 5 and the belt transmission mechanism 4 can be arranged in the accommodation space defined by the first support shell 21 and the second support shell 22 .

Specifically, as shown in FIGS. 9 and 10 , the motor 5 is fixed on the support assembly 2 , and at this time the motor 5 is fixed relative to the support assembly 2 . Optionally, the motor 5 is a synchronous motor, and the motor 5 can be fixedly connected to the support assembly 2 through fasteners such as screws, which is convenient for installation and secure in connection, but is not limited thereto. The motor 5 has an output shaft 51 .

Belt transmission mechanism 4 comprises driving wheel 41, driven wheel 42 and belt 43, and driving wheel 41 is fixed with output shaft 51, and now driving wheel 41 is fixed relative to output shaft 51, and output shaft 51 rotates when motor 5 starts, The driving wheel 41 can rotate together with the output shaft 51 .

The driven wheel 42 is fixed on the body. At this time, the driven wheel 42 is fixed relative to the body, and the driven wheel 42 does not rotate relative to the body. The belt 43 is tensioned on the driving pulley 41 and the driven pulley 42 , as shown in FIG. 9 , the belt 43 is sheathed on the outer circumference of the driving pulley 41 and the driven pulley 42 and cooperates with the outer circumference of the driving pulley 41 and the driven pulley 42 . Wherein, the driving wheel 41 and the driven wheel 42 can be arranged horizontally and located in the same horizontal plane, so as to reduce the occupied space of the belt transmission mechanism 4 in the up and down direction.

When the motor 5 is working, the supporting assembly 2 rotates relative to the body through the motor 5 and the belt transmission mechanism 4 to realize shaking the head. Specifically, after the motor 5 is started, the output shaft 51 of the motor 5 can drive the driving wheel 41 to rotate, and transmit the power to the driven wheel 42 through the belt 43, so that the driven wheel 42 has a tendency to rotate in the same direction as the driving wheel 41. Because the driven wheel 42 is fixed on the chassis assembly 3, that is, the driven wheel 42 does not rotate, so the above-mentioned power will react on the motor 5, so that the motor 5 drives the entire support assembly 2 and the machine head assembly 1 relative to the chassis assembly. 3 rotates to achieve left and right shaking of the head.

Therefore, by using the belt transmission mechanism 4 as the motion transmission, it is actually a stepless circulation mechanism, which can ensure that no jamming occurs when the head is shaken, so that the support assembly 2 will not cause jerky steps when the head is shaken. Moreover, by using the motor 5 plus the belt transmission mechanism 4, compared with the traditional gear box or the synchronous motor combined with the crank and the connecting rod, the difficulty of assembling the fan 100 is improved, and there are fewer parts, thereby improving the assembly process. efficiency.

Optionally, the driving wheel 41 and the driven wheel 42 can be respectively gears, and correspondingly, the belt 43 teeth meshing with the driving wheel 41 and the driven wheel 42 can be formed on the inner surface of the belt 43 . But not limited to this.

The fan 100 according to the embodiment of the present invention, such as a floor fan, uses the motor 5 and the belt transmission mechanism 4 to realize the oscillating head, which reduces the difficulty of assembling the fan 100 and improves the production efficiency.

According to some embodiments of the present invention, the support assembly 2 is provided with a support assembly pipe 213 extending toward the chassis assembly 3, and the chassis assembly 3 is provided with a fixing column 371, and the free end of the fixing column 371 (for example, the upper end in FIG. 12 ) Pass through the support assembly tube 213 and fix with the driven wheel 42 , wherein at least one bearing 212 is provided between the support assembly tube 213 and the fixing post 371 . Therefore, by setting the bearing 212 between the support assembly pipe 213 and the fixed column 371, it has a circumferential running support and a long-term rotational axial fixing effect, so that the movement of the support assembly 2 is more stable. Optionally, there are two bearings 212 and the two bearings 212 are respectively located at both ends of the fixing column 371 , and the bearings 212 are rolling bearings such as ball bearings 212 and the like.

For example, as shown in FIGS. 10-12 , the bottom of the first support shell 21 is provided with a support assembly pipe 213 extending vertically downwards, the support assembly pipe 213 is preferably a round pipe, and the fixing column 371 extends vertically upwards and is connected with the support The accommodating space of the assembly 2 is connected, and the cross-sectional area of the fixing column 371 is smaller than that of the supporting assembly tube 213, so that the upper end of the fixing column 371 can extend upwards into the supporting assembly tube 213 and extend into the accommodating space to be connected with the driven wheel 42 At this time, the upper end and the lower end of the support assembly tube 213 are provided with bearings 212 respectively, and the bearings 212 can be pressed into the support assembly tube 213 by way of interference fit.

Optionally, the cross section of the free end of the fixing post 371 is a non-circular surface. Thus, the movement of the driven wheel 42 in the circumferential direction of the fixing post 371 can be effectively limited. For example, in the example of FIG. 12 , the cross-sectional shape of the upper end of the fixed post 371 is generally oblong, and correspondingly, the driven wheel 42 may be formed with a matching groove adapted to the outer contour shape of the upper end of the fixed post 371 , that is, the oblong groove, when the driven wheel 42 is installed on the fixed column 371, the driven wheel 42 cannot rotate relative to the fixed column 371. It can be understood that the cross section of the free end of the fixed column 371 can also be a triangle, a rectangle, an ellipse, a multi-segment curve, such as a shape formed by connecting end to end in turn, as long as it can limit the position of the driven wheel 42 on the fixed column 371. Circumferential movement is sufficient.

According to a further embodiment of the present invention, a rotation limiting structure is provided between the support assembly 2 and the chassis assembly 3 , and the rotation limiting structure is used to rotate the support assembly 2 relative to the chassis assembly 3 by a predetermined angle. Therefore, by setting the rotation limiting structure, the rotation angle of the support assembly 2 relative to the chassis assembly 3 (ie, the swing angle of the fan 100 ) can be limited.

Specifically, referring to FIG. 12 and in combination with FIGS. 13-14 , the chassis assembly 3 includes a rotating support frame 37 , the rotating support frame 37 is sleeved outside the fixed column 371 , and the outer peripheral surfaces of the rotating support frame 37 and the fixed column 371 are spaced from each other. On the other hand, the rotating support frame 37 and the fixed column 371 are preferably arranged coaxially. For example, the rotating support frame 37 may be a stepped structure with an open top. After being assembled in place, the supporting assembly 2 is suitable to be supported on the rotating supporting frame 37 , thereby ensuring the stability of the supporting assembly 2 . Wherein the support assembly pipe 213 is located between the rotating support frame 37 and the fixed post 371 , at this moment, the lower end of the support assembly pipe 213 can extend downward into the space between the rotating support frame 37 and the fixed post 371 . The rotating support frame 37 can be integrally formed with the fixed column 371 .

Wherein, the rotation limiting structure includes: a limiting groove and a limiting protrusion 3722, the limiting groove is formed on the support assembly 2, the limiting protrusion 3722 is arranged on the rotating support frame 37, and the limiting protrusion 3722 is connected to the limiting protrusion 3722. When the support assembly 2 rotates, the stop projection 3722 is movable in the stop slot. When the stop projection 3722 contacts the side walls at both ends of the stop slot, due to the stop of the side wall of the stop slot Due to the blocking effect, the limit protrusion 3722 cannot continue to move towards the end of the limit groove, thereby effectively limiting the rotation angle of the support assembly 2 , and the limit protrusion 3722 has the function of assembling and positioning the support assembly 2 at the same time. Wherein the limiting protrusion 3722 can be provided on the stepped surface 3721 of the rotating support frame 37, as shown in FIG. 12 . Optionally, the limiting groove is formed as an arc-shaped groove.

Furthermore, a wire passing hole 3723 is formed on the limiting protrusion 3722. As shown in FIG. The wiring in the fan 100 is simplified, and the material of the limiting protrusion 3722 is saved, thereby reducing the cost.

Optionally, the maximum rotation angle of the support assembly 2 relative to the chassis assembly 3 is α, where α satisfies: α=90°. When the fan 100 such as a floor fan is working, the support assembly 2 can rotate 45° to the left and to the right relative to the chassis assembly 3 . It can be understood that the specific value of the maximum rotation angle α of the support assembly 2 relative to the chassis assembly 3 can be adaptively changed according to actual needs to better meet actual needs, for example, α can also be 75°, 120°, etc.

The assembly process of the fan 100 according to the embodiment of the present invention is as follows:

First load onto the support assembly 2 with the motor 5 such as the synchronous motor that has assembled the driving wheel 41 and the belt 43;

Then install the bearing 212 respectively at the upper end and the lower end in the support assembly pipe 213;

Then the support assembly 2 equipped with motor 5, driving wheel 41, belt 43 and bearing 212 is inserted in the rotating support frame 37 with fixed shaft;

Then the driven wheel 42 is fixed to the free end of the fixed column 371, and the driven wheel 42 is embedded in the belt 43, so that the belt 43 runs on the teeth of the driving wheel 41 and the driven wheel 42;

After the entire belt transmission mechanism 4 is assembled, the above-mentioned assembled components are put into the rotating fixed seat 31 , and finally the column tube 33 is inserted, and the column tube 33 is connected to the chassis, thereby completing the assembly of the fan 100 .

Wherein, when the motor 5, the driving wheel 41, the belt 43 and the bearing 212 are assembled to the support assembly 2, the driving wheel 41 can be fixed on the output shaft 51 of the motor 5 first, and the belt 43 is set outside the driving wheel 41 at the same time. , and then fix the motor 5 with screws. For example, the motor 5 has two fixing ears that are diametrically opposite and extending outwards, and screws are respectively screwed on the two fixing ears to realize the fixing of the motor 5 . The bearing 212 can be pressed into the support assembly tube 213 through an interference fit.

Therefore, the principle of shaking the head of the fan 100 according to the embodiment of the present invention is to use the synchronous motor as the driving force, and the synchronous motor drives the driving wheel 41, the driven wheel 42 and the belt 43, and the driven wheel 42 is fixed on the column tube 33 and the rotating support frame 37 As a fixed base, the synchronous motor is fixed on the support assembly 2, and the movement of the synchronous motor drives the support assembly 2 to shake its head left and right.

According to the fan 100 of the embodiment of the present invention, in order to change its motion structure, the operation mode of double belt 43 wheels is adopted, the mechanism operates stably, the assembly of production is convenient, the production efficiency is improved, and the defect rate of the production of the fan 100 and the production difficulty of the final assembly are reduced. , to ensure the consistency of assembly and the reliability of production. Moreover, there is no dead point in the belt drive movement, and it is not easy to shake the head and walk quickly, which ensures that the head shaking is not easy to produce abnormal noise and stuck phenomenon, and brings a different sense of experience to the user.

An assembly method of a fan 100 such as a floor fan according to the embodiment of the second aspect of the present invention. Wherein, as shown in FIGS. 1-14 , the fan 100 includes a head assembly 1 , a support assembly 2 arranged outside the peripheral edge of the head assembly 1 and extending along the circumference of the head assembly 1 , and a chassis assembly 3 The head assembly 1 includes a first mesh cover 11 and a second mesh cover 12 connected front and back, a drive motor 13 arranged on the second mesh cover 12, and a drive motor 13 arranged in the first mesh cover 11 and the second mesh cover 12 and The fan blade 14 connected with the drive motor 13, the head assembly 1 is rotatable relative to the support assembly 2, the support assembly 2 includes a first support shell 21 and a second support shell 22 arranged front and back, the first support shell 21 and the second support shell The shells 22 are fixedly connected by a plurality of support shell buckles, and the multiple support shell snaps are hidden in the first support shell 21 and the second support shell 22. The second support shell 22 is provided with a power board, and the power board passes through at least one first support shell. The two positioning structures are positioned in the second support shell 22 and fixed in the second support shell 22 by a second fastener. A decorative shell 23 is provided on the surface of the first support shell 21 away from the second support shell 22. The chassis assembly 3 is arranged at the bottom of the support assembly 2 , and the chassis assembly 3 is used to support the nose assembly 1 and the support assembly 2 .

Wherein, the assembly method of the fan 100 includes the following steps:

The second net cover 12 is connected with the drive motor 13;

installing the power board in the second supporting shell 22 through at least one second positioning structure and a second fastener;

Assembling the second net cover 12 with the drive motor 13 installed on the second support shell 22 with the power board installed to obtain the second support shell 22 assembly;

Installing the first support shell 21 on the assembly of the second support shell 22 through a plurality of support shells;

Connect the decorative shell 23 to the first supporting shell 21;

Install the fan blade 14 and the first net cover 11 to the drive motor 13 and the second net cover 12 in sequence;

Install the chassis assembly 3 to the bottom of the assembled nose assembly 1 and support assembly 2 .

For example, specifically, when assembling, firstly, the drive motor 13 and the second net cover 12 can be fixedly assembled, and the headlines of the fan 100 can be arranged, as shown in Figure 2; Installed into the second support shell 22, at this time two second fasteners are used to fix the power board and the second support shell 22; The ears are snapped into the slots on the left side and the right side of the second supporting shell 22 , thereby obtaining the assembly of the second supporting shell 22 . When assembling the first support shell 21 assembly, the first support shell 21 can be used as a base, and then the button assembly, circuit board, motor 5 and belt transmission mechanism 4, and the electric control module are installed on the first support shell 21, and connected to the first support shell 21. Good wiring and power. Next, assemble the first support shell 21 assembly and the second support shell 22 assembly, specifically, first insert the two rotation positioning pieces 25 into the left end and the right end of the second support shell 22 assembly respectively and apply lubricating oil, the machine head assembly 1 Rotate the positioning piece 25 relative to the support assembly 2, and then buckle the first support shell 21 assembly to the second support shell 22 assembly through a plurality of support shells. Further, two second support shells can also be used at this time. A fastener fixes the first supporting shell 21 assembly and the second supporting shell 22 assembly, then snaps into the decorative shell 23, and then buckles the decorative panel 24 on the front side of the decorative shell 23, the decorative panel 24 is opposite to the key assembly front and back, Then the fan blades 14, the leaf locks 15, and the first net cover 11 are assembled in sequence. Finally, install the chassis assembly 3 on the bottom of the support assembly 2, specifically, insert the rotating support frame 37 into the fixing column 371 of the first support shell 21, then put the rotating fixing seat 31 on the rotating support frame 37, and then Load onto support column 32, column tube 33 successively, then load onto connecting plate 34, chassis cover 35, vinyl part 36. So far, the assembly of the entire fan 100 is completed.

Wherein, the fan 100 is equipped with a chassis assembly 3 with a relatively low height, which can be used for platforms and grounds. During operation, the fan 100 can shake its head left and right by 30°, 45°, 60°, 90°, and operate according to the program.

According to the fan 100 assembly method of the embodiment of the present invention, such as a floor fan, the assembly efficiency of the fan 100 can be greatly improved, the defect rate of assembly can be increased, and the parts required for assembly can be reduced, thereby reducing the cost. Moreover, by adopting modularization The assembly method improves the accuracy of assembly. In addition, orderly assembly can ensure that the fan 100 is less prone to abnormal noise and jamming when it shakes its head.

Other configurations and operations of the fan 100 according to the embodiment of the present invention, such as a floor fan, are known to those skilled in the art and will not be described in detail here.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (6)

1. a kind of fan characterized by comprising

Nose assembly；

Support component, the support component were located at the outside of the circumferential edge of the nose assembly and along the weeks of the nose assembly To extension, wherein the nose assembly can be rotated relative to the support component, the support component includes that front and back is arranged One supporting shell and the second supporting shell, first supporting shell and second supporting shell buckle fixed connect by multiple supporting shells It connects, the multiple supporting shell buckle is hidden in first supporting shell and second supporting shell, in second supporting shell Equipped with power panel, the power panel is located in second supporting shell by the second location structure and is consolidated by the second fastener It is scheduled in second supporting shell；And

Chassis assembly, the chassis assembly are located at the bottom of the support component, and the chassis assembly is used to support the head Component and the support component, the support component can be rotated by motor and tape handler relative to the chassis assembly,

Wherein, second location structure include two support stoppers and fastener, two described support stoppers or so that The setting of this interval, each support stopper are connected on the inner surface of second supporting shell, and each support limit Position part includes support portion, limiting section and retaining part, and the support portion is located at the bottom of the power panel to support the power panel, The limiting section is located at the side of the power panel, and the retaining part is located at neighbouring second supporting shell of the power panel Side is mobile to limit the power panel, and the fastener is connected on the inner surface of second supporting shell, the fastener Positioned at the power panel top and clasp the side far from second supporting shell of the power panel, each support limits The side towards first supporting shell of position part open wide so that the power panel along first supporting shell towards described second The direction location fit of supporting shell is to second supporting shell.

2. fan according to claim 1, which is characterized in that first supporting shell and second supporting shell are by extremely Few first location structure, which positions and passes through the first fastener, to be fixedly connected.

3. fan according to claim 2, which is characterized in that first fastener pass through first supporting shell after with Second supporting shell is fixed,

The side surface far from second supporting shell of first supporting shell is equipped with Decorative shell, and the Decorative shell covers institute State the first fastener.

4. fan according to claim 3, which is characterized in that the Decorative shell is connected to described first by buckle structure Supporting shell, the buckle structure are hidden in the Decorative shell and first supporting shell.

5. fan according to claim 1, which is characterized in that the both ends of the support component are from the bottom of the nose assembly Portion extends upwardly to the left and right side of the nose assembly along the circumferential edge of the nose assembly respectively, wherein the head Component is rotatably connected between the both ends of the support component.

6. a kind of assembly method of fan, which is characterized in that the fan includes nose assembly, the week for being located at the nose assembly Extrorse outside and support component and chassis assembly along the circumferentially extending of the nose assembly, the nose assembly packet Latter linked first mesh enclosure and the second mesh enclosure, the driving motor being located on second mesh enclosure and described first is located at before including The fan blade being connected in mesh enclosure and second mesh enclosure and with the driving motor, the nose assembly is relative to the support component It can be rotated, the support component includes the first supporting shell and the second supporting shell that front and back is arranged, first supporting shell and described Second supporting shell is fixedly connected by multiple supporting shells buckle, the multiple supporting shell buckle be hidden in first supporting shell and In second supporting shell, power panel is equipped in second supporting shell, the power panel passes through at least one the second positioning knot Structure is located in second supporting shell and is fixed in second supporting shell by the second fastener, first supporting shell The side surface far from second supporting shell be equipped with Decorative shell, the chassis assembly is located at the bottom of the support component Portion, the chassis assembly are used to support the nose assembly and the support component, the assembly method the following steps are included:

Second mesh enclosure is connect with the driving motor；

The power panel is mounted on described second by the second location structure described at least one and second fastener It supports in shell；

Second mesh enclosure for being equipped with the driving motor is assembled to second supporting shell for being equipped with the power panel On to obtain the second support shell component；

First supporting shell is mounted on the second support shell component by the multiple supporting shell buckle；

The Decorative shell is connected in first supporting shell；

The fan blade, first mesh enclosure are successively installed to the driving motor and second mesh enclosure；

Chassis assembly is installed to the bottom for assembling the nose assembly and the support component in place.