CN109372777B

CN109372777B - Fan with fan body

Info

Publication number: CN109372777B
Application number: CN201811419510.7A
Authority: CN
Inventors: 马先锋; 麦焕; 王勇; 陈宇强; 李兆波
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2024-04-02
Anticipated expiration: 2038-11-26
Also published as: JP2021535976A; CN109372777A; JP7029024B2; WO2020107923A1; SG11202102404UA

Abstract

The invention provides a fan, comprising: a housing assembly; the air guide wheel assembly is pivotally arranged on the shell assembly; the wind guiding wheel assembly is provided with a mounting hole, the shell assembly is provided with a rotation stopping structure, the rotation stopping structure stretches into the mounting hole, and the rotation stopping structure is provided with an avoidance space; the pushing piece is arranged on the shell component in a pivotable manner, when the pushing piece rotates, the pushing end of the pushing piece stretches into the avoidance space and pushes the rotation stopping structure, and the rotation stopping structure deforms and abuts against the wall of the mounting hole, so that the inducer component stops rotating. The invention solves the problems that the fan in the prior art has complex structure, low assembly efficiency, and the current fan can not realize reliable rotation stopping of the inducer, so that the practicability of the fan is poor.

Description

Fan with fan body

Technical Field

The invention relates to the technical field of household appliances, in particular to a fan.

Background

In order to improve the air supply function of the fan, the fan is provided with the air guide wheel, but in the related art, parts for assembling the air guide wheel are more, and a plurality of screws are needed, so that the production cost of the fan is increased, the structure of the fan is complex, and the assembling efficiency is low.

In addition, the fan in the related art cannot realize reliable rotation stopping of the inducer, so that a user cannot reliably switch the air supply mode of the fan by controlling whether the inducer rotates, and the practicability of the fan is reduced.

Disclosure of Invention

The invention mainly aims to provide a fan, which solves the problems that the fan in the prior art is complex in structure, so that the assembly efficiency of the fan is low, the reliable rotation stopping of an inducer cannot be realized by the existing fan, and the practicability of the fan is poor.

In order to achieve the above object, the present invention provides a fan comprising: a housing assembly; the air guide wheel assembly is pivotally arranged on the shell assembly; the wind guiding wheel assembly is provided with a mounting hole, the shell assembly is provided with a rotation stopping structure, the rotation stopping structure stretches into the mounting hole, and the rotation stopping structure is provided with an avoidance space; the pushing piece is arranged on the shell component in a pivotable manner, when the pushing piece rotates, the pushing end of the pushing piece stretches into the avoidance space and pushes the rotation stopping structure, and the rotation stopping structure deforms and abuts against the wall of the mounting hole, so that the inducer component stops rotating.

Further, the inducer component comprises an inducer and a shaft sleeve, the inducer is fixedly connected with the shaft sleeve, the shaft sleeve is provided with a mounting hole, and the inducer is connected with the shell component through the shaft sleeve.

Further, at least one clamping hole is formed in the inducer, the shaft sleeve comprises a shaft sleeve body and at least one connecting buckle arranged on the shaft sleeve body, and the connecting buckle penetrates through the clamping hole and is clamped with the step structure in the clamping hole.

Further, the mounting hole is formed on the shaft sleeve body, the connecting buckles are multiple, and the connecting buckles are arranged at intervals around the circumference of the mounting hole.

Further, an assembly hole is formed in the inducer, at least one rotation stopping notch is formed in the hole wall of the assembly hole, and the shaft sleeve further comprises at least one rotation stopping protrusion arranged on the shaft sleeve body and extending into the rotation stopping notch.

Further, the housing assembly includes a front housing including: a front case body; the connecting cylinder is arranged on the front shell body; the mounting buckles are arranged on the front shell body and are arranged at intervals around the periphery side of the connecting cylinder, and the mounting buckles penetrate through the mounting holes and then are connected with the shaft sleeve in a clamping mode.

Further, the front shell further comprises a plurality of locking buckles, the locking buckles are arranged on the end face, far away from the front shell body, of the connecting cylinder and are arranged around the circumferential space of the connecting cylinder, the locking buckles form a rotation stopping structure, and the locking buckles enclose an avoidance space.

Further, a first thread structure is arranged on the inner wall surface of the connecting cylinder, the pushing piece is a cap, the cap comprises a cover plate and a mounting cylinder arranged on the cover plate, and a pushing protrusion and a second thread structure matched with the first thread structure are sequentially arranged on the peripheral wall of the mounting cylinder along the direction away from the cover plate; the pushing protrusion forms a pushing end.

Further, the pushing projection is annular and continuously provided around the outer peripheral wall of the mounting cylinder.

Further, the position department that the front housing body is relative with the connecting cylinder has seted up the spout, and the pushing member is the cap, and the cap includes: a cover plate; the mounting cylinder is arranged on the cover plate; the limiting buckle is arranged on the end face, far away from the cover plate, of the mounting cylinder and penetrates through the sliding groove so that the pushing piece is clamped with the front shell; the pushing cam is arranged on the peripheral wall of the mounting cylinder, and the pushing piece is rotated to enable the pushing cam to push the locking buckle, and the pushing cam forms a pushing end.

Further, the plurality of pushing cams are arranged at intervals around the outer peripheral wall of the mounting cylinder.

Further, the shell subassembly includes preceding shell and gland, has seted up at least one groove of revolving on the preceding shell, and the gland includes: the gland body is provided with a convex outer edge at the axial first end; the turnbuckle is arranged on the end face of the axial second end of the gland body; after the gland body passes through the mounting hole, the shaft sleeve is limited between the convex outer edge and the front shell.

Further, a connecting hole is formed in the end face of the axial second end of the gland body, and the fan further comprises a connecting piece which is arranged at the connecting hole in a penetrating mode so as to fasten the gland on the front shell.

Further, the rotation stopping structure is a plurality of elastic buckles, the elastic buckles are arranged at intervals around the peripheral wall surface of the gland body, and the elastic buckles enclose an avoidance space.

Further, a connecting column is arranged on the front shell, and a third thread structure is arranged on the peripheral wall of the connecting column; the pushing member is a cap, the cap includes: a cover plate; the mounting cylinder is arranged on the cover plate, and a fourth thread structure matched with the third thread structure is arranged on the inner wall surface of the mounting cylinder; the pushing cylinder is arranged on the cover plate and sleeved on the outer peripheral side of the mounting cylinder, and the pushing cylinder is provided with a pushing end.

By applying the technical scheme of the invention, the inducer component is arranged on the shell component, the shell component is provided with the rotation stopping structure, and the rotation or reliable rotation stopping of the inducer component is realized by utilizing the cooperation of the pushing piece and the rotation stopping structure. Specifically, the pushing end of the pushing piece extends into the avoidance space and pushes the rotation stopping structure, and the rotation stopping structure deforms and is abutted with the hole wall of the mounting hole of the inducer component, so that the inducer component stops rotating; the pushing end of the pushing piece is withdrawn from the avoiding space, and the inducer component can rotate relative to the shell component. In addition, the shell component of the fan has a rotation stopping structure, and only the inducer component is required to be assembled on the shell component, so that the structure of the fan is simplified, and the assembly efficiency of the fan is improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

fig. 1 shows a schematic diagram of a fan according to a first embodiment of the present invention in a disassembled configuration;

FIG. 2 shows a schematic cross-sectional view of the fan of FIG. 1 at an angle after assembly;

FIG. 3 shows an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 shows a schematic cross-sectional view of the fan of FIG. 1 at another angle after assembly;

FIG. 5 shows an enlarged schematic view of the structure at B in FIG. 4;

FIG. 6 illustrates a schematic diagram of an assembled configuration of a inducer and a hub of the fan of FIG. 1;

FIG. 7 shows an enlarged schematic view of the structure at C in FIG. 6;

FIG. 8 shows a schematic structural view of the inducer of FIG. 6;

fig. 9 shows a schematic structural view of the bushing of fig. 6;

FIG. 10 shows a schematic structural view of a front case of the fan of FIG. 1;

FIG. 11 shows a schematic structural view of a thrust member of the fan of FIG. 1;

fig. 12 is a schematic diagram showing a disassembled structure of a fan according to a second embodiment of the present invention;

FIG. 13 shows a schematic cross-sectional view of the fan of FIG. 12 at an angle after assembly;

fig. 14 shows an enlarged schematic view of the structure at D in fig. 13;

FIG. 15 shows a schematic cross-sectional view of the fan of FIG. 12 at another angle after assembly;

FIG. 16 is an enlarged schematic view of the structure of FIG. 15 at E;

FIG. 17 shows a schematic structural view of a front case of the fan of FIG. 12;

FIG. 18 shows a schematic structural view of a thrust member of the fan of FIG. 12;

fig. 19 shows a schematic exploded structure of a fan according to a third embodiment of the present invention;

FIG. 20 shows a schematic cross-sectional structural view of the fan of FIG. 19 after assembly;

fig. 21 shows an enlarged schematic view of the structure at F in fig. 20;

FIG. 22 shows a schematic structural view of a front casing of the fan of FIG. 19;

FIG. 23 shows a schematic view of the structure of the gland of the fan of FIG. 19 at an angle;

fig. 24 shows a schematic view of the gland of fig. 23 at another angle;

fig. 25 shows a schematic structural view of the pushing member of the fan of fig. 19.

Wherein the above figures include the following reference numerals:

10. a housing assembly; 11. a front shell; 110. a limiting block; 111. a front case body; 112. a connecting cylinder; 113. installing a buckle; 114. locking buckle; 115. a first thread structure; 116. a chute; 117. a rotary groove; 118. a connecting column; 119. a third thread structure; 12. a gland; 121. a gland body; 122. protruding the outer edge; 123. rotating buckle; 124. spring buckle; 125. a connection hole; 20. a inducer assembly; 21. a wind guide wheel; 211. a clamping hole; 212. a fitting hole; 213. a rotation stopping notch; 22. a shaft sleeve; 221. a mounting hole; 222. a sleeve body; 223. a connecting buckle; 224. a rotation stopping protrusion; 30. a pushing member; 31. a cover plate; 32. a mounting cylinder; 321. a second thread structure; 322. a fourth thread structure; 33. pushing the bulge; 34. limiting buckle; 35. pushing the cam; 36. pushing the cylinder.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The invention provides a fan, which aims to solve the problems that the fan in the prior art is complex in structure, so that the assembly efficiency of the fan is low, the reliable rotation stopping of an inducer cannot be realized by the existing fan, and the practicability of the fan is poor.

The present application provides three embodiments, one embodiment is shown in fig. 1 to 11, two embodiments are shown in fig. 12 to 18, and three embodiments are shown in fig. 19 to 25.

Example 1

As shown in fig. 1, the fan includes a housing assembly 10, a inducer assembly 20, and a push member 30, the inducer assembly 20 being pivotably disposed on the housing assembly 10; wherein, the inducer component 20 is provided with a mounting hole 221, the shell component 10 is provided with a rotation stopping structure, the rotation stopping structure stretches into the mounting hole 221, and the rotation stopping structure is provided with an avoidance space; the pushing member 30 is pivotally disposed on the housing assembly 10, and when the pushing member 30 rotates, the pushing end of the pushing member 30 extends into the avoidance space and pushes the rotation stopping structure, and the rotation stopping structure deforms and abuts against the hole wall of the mounting hole 221, so that the inducer assembly 20 stops rotating.

In the present application, the inducer assembly 20 is mounted on the housing assembly 10, the housing assembly 10 has a rotation stopping structure, and the rotation or reliable rotation stopping of the inducer assembly 20 is realized by the cooperation of the pushing member 30 and the rotation stopping structure. Specifically, the pushing end of the pushing piece 30 extends into the avoidance space and pushes the rotation stopping structure, and the rotation stopping structure deforms and abuts against the hole wall of the mounting hole 221 of the inducer assembly 20, so that the inducer assembly 20 stops rotating; the pushing end of the pushing member 30 is withdrawn from the avoiding space, and the inducer assembly 20 can rotate relative to the housing assembly 10. In addition, the housing assembly 10 of the present application has a rotation stopping structure, and only the inducer assembly 20 needs to be assembled on the housing assembly 10, so that the structure of the fan is simplified, and the assembly efficiency of the fan is improved.

The fan that this application provided adopts the mode that wind-force drove to drive inducer subassembly 20 and rotates, compares with the mode that utilizes the motor to drive inducer subassembly 20 pivoted, has reduced the power consumption of fan to the use cost of fan has been reduced.

As shown in fig. 1, 6 and 7, the inducer assembly 20 includes an inducer 21 and a sleeve 22, the inducer 21 is fixedly connected with the sleeve 22, the sleeve 22 has a mounting hole 221, and the inducer 21 is connected with the housing assembly 10 through the sleeve 22. In view of wear of the inducer assembly 20 in use in cooperation with the anti-rotation structure, the inducer assembly 20 is split into an inducer 21 and a sleeve 22 of different materials, wherein the sleeve 22 is made of a wear resistant material.

In an embodiment of the present application, not shown, the boss 22 and the inducer 21 are integrally formed.

As shown in fig. 6 to 9, at least one clamping hole 211 is formed in the inducer 21, the shaft sleeve 22 includes a shaft sleeve body 222 and at least one connecting buckle 223 disposed on the shaft sleeve body 222, and the connecting buckle 223 is disposed in the clamping hole 211 in a penetrating manner and is clamped with the step structure in the clamping hole 211. Like this, inducer 21 and axle sleeve 22 joint are connected to need not to set up extra parts such as screw, can promote the assembly efficiency of fan, can also avoid the circumstances that the screw was lost to appear in the fan assembly process. After the inducer 21 is connected with the shaft sleeve 22 in a clamping way, the inducer 21 and the shaft sleeve 22 can be prevented from axially moving relative to each other, namely, the inducer 21 and the shaft sleeve 22 are in a relatively static state.

As shown in fig. 9, the mounting hole 221 is formed in the boss body 222, and a plurality of connection buckles 223 are provided, and the plurality of connection buckles 223 are spaced around the circumference of the mounting hole 221. By providing a plurality of connection buckles 223, connection stability of the inducer 21 and the boss 22 is improved.

As shown in fig. 8 and 9, the inducer 21 is provided with an assembly hole 212, the hole wall of the assembly hole 212 is provided with at least one rotation stopping notch 213, the shaft sleeve 22 further comprises at least one rotation stopping protrusion 224 arranged on the shaft sleeve body 222, and the rotation stopping protrusion 224 extends into the rotation stopping notch 213. Thus, after the wind guide 21 and the shaft sleeve 22 are assembled, the wind guide 21 and the shaft sleeve 22 are prevented from rotating relatively, and the wind guide 21 and the shaft sleeve 22 synchronously rotate or synchronously stop rotating.

As shown in fig. 2, 3 and 10, the housing assembly 10 includes a front case 11, the front case 11 includes a front case body 111, a connection cylinder 112 and a plurality of mounting buckles 113, the connection cylinder 112 is disposed on the front case body 111, the plurality of mounting buckles 113 are disposed on the front case body 111 and are disposed at intervals around an outer circumferential side of the connection cylinder 112, and the mounting buckles 113 are engaged with the shaft sleeve 22 after passing through the mounting holes 221. Thus, the front case 11 is engaged with the boss 22, and the inducer 21 is rotatably provided to the front case 11 through the boss 22. When the shaft sleeve 22 and the front shell 11 are assembled, additional parts such as screws are not required to be arranged, so that the assembly efficiency of the fan can be further improved, and the situation that the screws are lost in the assembly process of the fan can be avoided.

As shown in fig. 4, 5 and 10, the front shell 11 further includes a plurality of locking buckles 114, where the plurality of locking buckles 114 are disposed on an end surface of the connecting cylinder 112 far away from the front shell body 111 and are disposed around a circumferential direction of the connecting cylinder 112 at intervals, the plurality of locking buckles 114 form a rotation stopping structure, and the plurality of locking buckles 114 enclose an avoidance space. In this way, the pushing end of the pushing piece 30 pushes the locking buckle 114, so that the locking buckle 114 deforms and abuts against and interferes with the hole wall of the mounting hole 221 of the shaft sleeve 22, thereby preventing the shaft sleeve 22 from rotating relative to the front shell 11, correspondingly preventing the inducer 21 connected with the shaft sleeve 22 from rotating relative to the front shell 11, realizing reliable rotation stopping of the inducer assembly 20, switching the air supply mode of the fan, and improving the practicability of the fan.

As shown in fig. 10, the front shell 11 further includes a plurality of limiting blocks 110, where the limiting blocks 110 are disposed on the front shell body 111 and around the circumference of the connecting cylinder 112, and the limiting blocks 110 are located between the two mounting buckles 113, and a fit clearance between a surface of the limiting block 110 far from the connecting cylinder 112 and a hole wall of the mounting hole 221 of the shaft sleeve 22 is small, so that the shaft sleeve 22 is prevented from moving relatively to the front shell 11 in a larger distance in the radial direction.

As shown in fig. 10 and 11, a first thread structure 115 is provided on an inner wall surface of the connecting cylinder 112, the pushing member 30 is a cap, the cap includes a cover plate 31 and a mounting cylinder 32 provided on the cover plate 31, and a pushing protrusion 33 and a second thread structure 321 matched with the first thread structure 115 are sequentially provided on an outer peripheral wall of the mounting cylinder 32 in a direction away from the cover plate 31; the pushing projection 33 forms a pushing end. In the first embodiment of the present application, the pushing member 30 is screwed to the front housing 11, and the rotation or the rotation stopping of the inducer assembly 20 is controlled by controlling the screwing depth of the pushing member 30, and when the pushing member 33 is screwed to a position where the pushing member 33 contacts with and interferes with the locking buckle 114, the locking buckle 114 is deformed by the pushing member 33 pushing the locking buckle 114.

As shown in fig. 11, the pushing projection 33 is annular and continuously provided around the outer peripheral wall of the mounting cylinder 32. In this way, the pushing protrusion 33 can be ensured to reliably and stably push the locking buckle 114.

In the fan according to the first embodiment, the user controls whether the inducer assembly 20 rotates by screwing or unscrewing the cap, and when the cap is screwed down to a certain extent, the pushing protrusion 33 pushes the locking buckle 114, and the locking buckle 114 interferes with the wall of the mounting hole 221 to form a locking relationship, so that the inducer assembly 20 stops rotating; when the cap is unscrewed to a certain extent, that is, the pushing protrusion 33 does not contact with the locking buckle 114 or the pushing distance of the pushing protrusion 33 to the locking buckle 114 is smaller than the gap between the locking buckle 114 and the mounting hole 221, the locking relationship is released, and the inducer assembly 20 starts to rotate under the driving of wind force of the fan blade.

Example two

As shown in fig. 12 to 14, in the second embodiment, the sleeve 22 is engaged with the inducer 21, and the front housing 11 is engaged with the sleeve 22, which is not described herein.

The difference between the second embodiment and the first embodiment is that the pushing member 30 is in clamping connection with the front housing 11. Specifically, as shown in fig. 17 and 18, a chute 116 is formed at a position of the front housing body 111 opposite to the connecting cylinder 112, the pushing member 30 is a cap, the cap includes a cover plate 31, a mounting cylinder 32, a limit buckle 34 and a pushing cam 35, the mounting cylinder 32 is arranged on the cover plate 31, the limit buckle 34 is arranged on an end surface of the mounting cylinder 32 far away from the cover plate 31, the limit buckle 34 passes through the chute 116 to enable the pushing member 30 to be clamped with the front housing 11, the pushing cam 35 is arranged on an outer peripheral wall of the mounting cylinder 32, the pushing cam 35 forms a pushing end, as shown in fig. 15 and 16, the pushing member 30 is rotated to enable the pushing cam 35 to push the locking buckle 114, the locking buckle 114 is deformed and is abutted with a hole wall of the mounting hole 221, and the inducer assembly 20 stops rotating; continued rotation of the abutment 30 moves the abutment cam 35 between the two locking catches 114 without any further abutment against the locking catches 114, thereby allowing the inducer assembly 20 to rotate freely relative to the front housing 11.

In the second embodiment, the user can control the rotation of the inducer assembly 20 or stop the rotation stably only by rotating the pushing member 30 in the horizontal direction, so as to switch the air supply mode of the fan and improve the practicability of the fan.

As shown in fig. 18, the plurality of pushing cams 35 are provided, and the plurality of pushing cams 35 are provided at intervals around the outer peripheral wall of the mounting cylinder 32. By providing a plurality of pushing cams 35, the locking buckles 114 are matched in a one-to-one correspondence.

By applying the fan provided in the second embodiment, the user controls whether the inducer assembly 20 rotates by rotating the cap in the horizontal direction, when the cap rotates counterclockwise to a certain extent, the pushing cam 35 pushes the locking buckle 114, the locking buckle 114 interferes with the wall of the mounting hole 221 to form a locking relationship, and at this time, the inducer assembly 20 stops rotating; when the cap rotates clockwise to a certain extent, that is, the pushing cam 35 does not contact with the locking buckle 114 or the pushing distance of the pushing cam 35 to the locking buckle 114 is smaller than the gap between the locking buckle 114 and the mounting hole 221, the locking relationship is released, and the inducer component 20 starts to rotate under the drive of wind force of the fan blade.

Example III

The difference between the third embodiment and the first embodiment is that the sleeve 22 is not connected with the front shell 11 in a clamping way, and the sleeve 22 is limited between the protruding outer edge 122 of the gland 12 and the front shell 11 by matching the gland 12 with the front shell 11. Specifically, as shown in fig. 19 to 25, the housing assembly 10 includes a front shell 11 and a gland 12, at least one spin groove 117 is formed on the front shell 11, the gland 12 includes a gland body 121 and a turnbuckle 123, a first axial end of the gland body 121 has a protruding outer edge 122, and the turnbuckle 123 is disposed on an end face of a second axial end of the gland body 121; the gland body 121, after passing through the mounting hole 221, retains the sleeve 22 between the projecting outer rim 122 and the front housing 11.

It should be noted that, after the gland body 121 according to the present application passes through the mounting hole 221, the sleeve 22 is limited between the protruding outer edge 122 and the front shell 11, which means that the sleeve 22 can rotate freely relative to the front shell 11 and the gland 12 after the assembly is completed.

As shown in fig. 24, the end surface of the second axial end of the gland body 121 is provided with a connecting hole 125, and the fan further includes a connecting member penetrating the connecting hole 125 to fasten the gland 12 on the front case 11.

Alternatively, the connection member is a screw, and the connection hole 125 is a threaded hole.

As shown in fig. 23, the rotation stopping structure includes a plurality of buckles 124, the plurality of buckles 124 are disposed around the circumferential wall surface of the gland body 121 at intervals, and the plurality of buckles 124 define an avoidance space.

As shown in fig. 22 and 25, the front case 11 is provided with a connection post 118, and the outer peripheral wall of the connection post 118 is provided with a third screw structure 119; the pushing member 30 is a cap, the cap comprises a cover plate 31, a mounting cylinder 32 and a pushing cylinder 36, the mounting cylinder 32 is arranged on the cover plate 31, a fourth thread structure 322 matched with the third thread structure 119 is arranged on the inner wall surface of the mounting cylinder 32, the pushing cylinder 36 is arranged on the cover plate 31 and sleeved on the outer peripheral side of the mounting cylinder 32, and the pushing cylinder 36 forms a pushing end.

Thus, when the fan is assembled, the inducer assembly 20 is placed on the front shell 11, the gland 12 passes through the mounting hole 221 of the shaft sleeve 22 and then is screwed into the spin groove 117 through the spin button 123, then the gland 12 is fixedly connected with the front shell 11 through the connecting piece, the pushing piece 30 is rotated, the pushing barrel 36 of the pushing piece 30 stretches into the gland 12 and pushes the snap button 124, the snap button 124 deforms and abuts against the hole wall of the mounting hole 221, and the inducer assembly 20 stops rotating; rotating the push member 30 in the opposite direction causes the push cylinder 36 to no longer push against the latch 124, thereby allowing the inducer assembly 20 to freely rotate relative to the front housing 11 and gland 12.

By applying the fan provided in the third embodiment, the user controls whether the inducer assembly 20 rotates by screwing or unscrewing the cap, and when the cap is screwed down to a certain extent, the push cylinder 36 pushes the latch 124, the latch 124 interferes with the wall of the mounting hole 221 to form a locking relationship, and at this time, the inducer assembly 20 stops rotating; when the cap is unscrewed to a certain extent, that is, the pushing cylinder 36 is not in contact with the latch 124 or the pushing distance of the pushing cylinder 36 to the latch 124 is smaller than the gap between the latch 124 and the mounting hole 221, the locking relationship is released, and the inducer assembly 20 starts to rotate under the drive of wind force of the fan blade.

From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects: the fan that this application provided simple structure, the part is less, do not need the motor to drive inducer subassembly 20 and rotate, but adopt wind-force to drive, compare in the fan among the correlation technique, assembly efficiency is higher, specifically, embodiment one and embodiment two only need 4 parts, embodiment three only need 5 parts, and embodiment one and embodiment two all need not the screw fixation, and embodiment three only need a screw, thereby can promote the assembly efficiency of fan, effectively save man-hour, reduce the cost of labor, avoid appearing the condition that the screw was lost in the assembly process, inducer subassembly 20 can steadily rotate or stably stop changeing, thereby make the fan have the wind-guiding performance of preferred. The application has designed a novel inducer rotation regulation structure for inducer subassembly 20 rotates more steadily, and complete machine wind-guiding performance is better.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present invention, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present invention; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fan, comprising:

a housing assembly (10);

a inducer assembly (20), the inducer assembly (20) being pivotably disposed on the housing assembly (10);

the wind guiding wheel assembly (20) is provided with a mounting hole (221), the shell assembly (10) is provided with a rotation stopping structure, the rotation stopping structure stretches into the mounting hole (221), and the rotation stopping structure is provided with an avoidance space;

the pushing piece (30), the pushing piece (30) is pivotably arranged on the shell assembly (10), when the pushing piece (30) rotates, the pushing end of the pushing piece (30) stretches into the avoidance space and pushes against the rotation stopping structure, and the rotation stopping structure deforms and abuts against the hole wall of the mounting hole (221), so that the inducer assembly (20) stops rotating.

2. The fan according to claim 1, characterized in that the inducer assembly (20) comprises an inducer (21) and a sleeve (22), the inducer (21) being fixedly connected to the sleeve (22), the sleeve (22) having the mounting hole (221), the inducer (21) being connected to the housing assembly (10) by means of the sleeve (22).

3. The fan according to claim 2, wherein the inducer (21) is provided with at least one clamping hole (211), the shaft sleeve (22) comprises a shaft sleeve body (222) and at least one connecting buckle (223) arranged on the shaft sleeve body (222), and the connecting buckle (223) is arranged in the clamping hole (211) in a penetrating manner and is clamped with the step structure in the clamping hole (211).

4. A fan according to claim 3, wherein the mounting hole (221) is formed in the sleeve body (222), the plurality of connection buckles (223) are provided, and the plurality of connection buckles (223) are spaced around the circumference of the mounting hole (221).

5. A fan according to claim 3, wherein the inducer (21) is provided with an assembly hole (212), a hole wall of the assembly hole (212) is provided with at least one rotation stopping notch (213), the shaft sleeve (22) further comprises at least one rotation stopping protrusion (224) arranged on the shaft sleeve body (222), and the rotation stopping protrusion (224) extends into the rotation stopping notch (213).

6. The fan according to any one of claims 2 to 5, wherein the housing assembly (10) comprises a front housing (11), the front housing (11) comprising:

a front case body (111);

a connection tube (112), the connection tube (112) being provided on the front case body (111);

the mounting buckles (113) are arranged on the front shell body (111) and are arranged around the outer periphery side of the connecting cylinder (112) at intervals, and the mounting buckles (113) penetrate through the mounting holes (221) and then are clamped with the shaft sleeve (22).

7. The fan according to claim 6, wherein the front case (11) further includes a plurality of locking buckles (114), the plurality of locking buckles (114) are disposed on an end surface of the connecting cylinder (112) away from the front case body (111) and are disposed around a circumferential direction of the connecting cylinder (112) at intervals, the plurality of locking buckles (114) form the rotation stopping structure, and the plurality of locking buckles (114) enclose the avoidance space.

8. The fan according to claim 7, wherein a first screw structure (115) is provided on an inner wall surface of the connecting cylinder (112), the pushing member (30) is a cap, the cap includes a cover plate (31) and a mounting cylinder (32) provided on the cover plate (31), and a pushing protrusion (33) and a second screw structure (321) mated with the first screw structure (115) are sequentially provided on an outer peripheral wall of the mounting cylinder (32) in a direction away from the cover plate (31); the pushing projection (33) forms the pushing end.

9. The fan according to claim 8, characterized in that the push protrusion (33) is annular and is continuously provided around the outer peripheral wall of the mounting cylinder (32).

10. The fan according to claim 7, wherein a chute (116) is provided at a position of the front case body (111) opposite to the connection tube (112), the pushing member (30) is a cap including:

a cover plate (31);

a mounting cylinder (32), the mounting cylinder (32) being arranged on the cover plate (31);

the limiting buckle (34) is arranged on the end face, far away from the cover plate (31), of the mounting cylinder (32), and the limiting buckle (34) penetrates through the sliding groove (116) so that the pushing piece (30) is clamped with the front shell (11);

and a pushing cam (35), wherein the pushing cam (35) is arranged on the outer peripheral wall of the mounting cylinder (32), the pushing piece (30) is rotated so that the locking buckle (114) is pushed by the pushing cam (35), and the pushing end is formed by the pushing cam (35).

11. The fan according to claim 10, wherein the plurality of the pushing cams (35) are provided, and the plurality of pushing cams (35) are provided at intervals around the outer peripheral wall of the mounting cylinder (32).

12. The fan according to any one of claims 2 to 5, wherein the housing assembly (10) comprises a front casing (11) and a gland (12), at least one spin groove (117) is provided in the front casing (11), and the gland (12) comprises:

a gland body (121), an axial first end of the gland body (121) having a protruding outer rim (122);

a turnbuckle (123), wherein the turnbuckle (123) is arranged on the end surface of the axial second end of the gland body (121);

after passing through the mounting hole (221), the gland body (121) limits the shaft sleeve (22) between the protruding outer edge (122) and the front shell (11).

13. The fan according to claim 12, characterized in that a connection hole (125) is provided on the end face of the axial second end of the gland body (121), the fan further comprising a connection piece, which is provided at the connection hole (125) in a penetrating manner, so as to fasten the gland (12) on the front casing (11).

14. The fan according to claim 12, wherein the rotation stopping structure is a plurality of buckles (124), the plurality of buckles (124) are arranged at intervals around the peripheral wall surface of the gland body (121), and the plurality of buckles (124) enclose the avoidance space.

15. The fan according to claim 14, characterized in that a connecting post (118) is provided on the front casing (11), and a third screw structure (119) is provided on the outer peripheral wall of the connecting post (118); the push member (30) is a cap comprising:

a cover plate (31);

a mounting cylinder (32), wherein the mounting cylinder (32) is arranged on the cover plate (31), and a fourth thread structure (322) matched with the third thread structure (119) is arranged on the inner wall surface of the mounting cylinder (32);

the pushing cylinder (36) is arranged on the cover plate (31) and sleeved on the outer periphery side of the mounting cylinder (32), and the pushing cylinder (36) forms the pushing end.