CN211550053U - Fan with cooling device - Google Patents

Abstract

The utility model provides a fan, fan includes: the fan blade is provided with a mounting hole; the shaft part is arranged in the mounting hole, wherein one end of the shaft part extending into the mounting hole is provided with a first limiting part, the first limiting part is provided with an elastic part, and the elastic part is suitable for penetrating through the mounting hole to install the fan blade on the shaft part. The utility model provides a fan, including fan blade and axial region, the fan blade is installed on the axial region, and then the rotation through the axial region drives the fan blade and rotates in order to drive the air current and flow, specifically, the mounting hole has on the fan blade, the axial region is located in the mounting hole, wherein, the one end that the axial region stretches into in the mounting hole is equipped with first locating part, be equipped with elasticity portion on the first locating part, elasticity portion has elasticity, when installing the fan blade, elasticity portion can pass the mounting hole and install the fan blade on the axial region, the installation degree of difficulty of fan blade has been reduced, the installation rate of fan blade has been improved, and then user experience has been promoted.

Description

Fan with cooling device

Technical Field

The utility model relates to the technical field of household appliances, particularly, relate to a fan.

Background

At present, as shown in fig. 1 and fig. 2, a fan 100 ' includes a blade 102 ' and a motor shaft 104 ', and the blade 102 ' of the conventional fan 100 ' is generally fixed by a thread. That is, the fan blade 102 'is mounted on the motor shaft 104', and is screwed on the motor shaft 104 'by a nut 106' through threads to fix the fan blade 102 ', generally, in order to prevent the nut 106' from being lost, manufacturers will screw the nut 106 'on the motor shaft 104' in advance, and users need to screw the nut 106 'off before mounting the fan blade 102' during mounting, which is tedious and difficult to mount.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

Therefore, the utility model provides a fan.

In view of this, the utility model provides a fan, fan includes: the fan blade is provided with a mounting hole; the shaft part is arranged in the mounting hole, wherein one end of the shaft part extending into the mounting hole is provided with a first limiting part, the first limiting part is provided with an elastic part, and the elastic part is suitable for penetrating through the mounting hole to install the fan blade on the shaft part.

The utility model provides a fan, including fan blade and axial region, the fan blade is installed on the axial region, and then the rotation through the axial region drives the fan blade and rotates in order to drive the air current and flow, specifically, the mounting hole has on the fan blade, the axial region is located in the mounting hole, wherein, the one end that the axial region stretches into in the mounting hole is equipped with first locating part, be equipped with elasticity portion on the first locating part, elasticity portion has elasticity, when installing the fan blade, elasticity portion can pass the mounting hole and install the fan blade on the axial region, the installation degree of difficulty of fan blade has been reduced, the installation rate of fan blade has been improved, and then user experience has been promoted.

It can be understood that, first locating part is installed on the axial region in advance, can avoid the fan in the emergence of the phenomenon that first locating part lost in the transportation to, when the fan blade is installed, need not dismantle first locating part, directly with the fan blade cover on the axial region that is equipped with first locating part can, the elastic component stretches out and can fix the fan blade behind the mounting hole, reduced the installation degree of difficulty.

It can be understood that, the elastic part has elasticity, and when installing the axial region in the mounting hole, the elastic part can be gathered together to the axial region direction and held in the mounting hole, and when the axial region continued to stretch out to the fan blade top, the elastic part can stretch out by the mounting hole, and then the butt is at the tip of fan blade to install the fan blade on the axial region, make the fan blade can rotate along with the rotation of axial region.

According to the utility model provides an above-mentioned fan can also have following additional technical characterstic:

in the above-described aspect, further, in a projection along the axial direction of the shaft portion, at least a part of the elastic portion is located outside the hole of the mounting hole.

In this technical scheme, in the projection along the axis direction of axial region, at least partly outside being located the hole of mounting hole of elastic component, also the size of elastic component is bigger than the mounting hole promptly to after the elastic component stretches out the mounting hole, it can avoid the fan blade to deviate from the axial region with the fan blade, fixes the fan blade on the axial region.

Specifically, the outer edge of the elastic portion is larger than the mounting hole.

In any of the above technical solutions, further, along the axis direction of the shaft portion, one end of the elastic portion connected to the first limiting member forms a first end, the elastic portion extends from the first end to the other end of the shaft portion to form a second end of the elastic portion, and the second end of the elastic portion abuts against the fan blade.

In this technical scheme, the one end that the elastic part is connected with first locating part forms the first end of elastic part, and the elastic part extends to the other end of axial region by first end and forms the second end of elastic part, and the first end of elastic part is connected with first locating part promptly, and the second end of elastic part extends to the other end direction of axial region to with fan blade looks butt.

In any one of the above technical solutions, further, the outer peripheral wall of the elastic portion is inclined in the axial direction of the shaft portion from the second end to the first end.

In this technical scheme, by second end to first end direction, the periphery wall of elastic part sets up to the axis direction slope of axial region, so that the distance of the second end of elastic part and axial region is greater than the distance of the first end of elastic part and axial region, on the one hand, when stretching into the mounting hole with the axial region, the less one end of elastic part gets into the mounting hole earlier, so that the elastic part stretches into in the mounting hole, on the other hand, when the mounting hole was stretched out to the elastic part, the great one end of elastic part can the butt on the fan blade, thereby the position of fan blade has been injectd, in order to fix the fan blade on the axial region.

In any one of the above technical solutions, further, the first end is formed with a chamfer, and in a projection along an axial direction of the shaft portion, an end surface of the first end is located in the mounting hole.

In this technical scheme, the first end of elastic component is formed with the chamfer, and the axial projection of first end is located the mounting hole, and the first end that also forms after the chamfer is less than the mounting hole, and when the installation fan blade, first end gets into the mounting hole earlier to the installation of the fan blade of being convenient for.

In any one of the above technical solutions, further, the number of the elastic portions is at least two, and the at least two elastic portions are distributed along the circumferential direction of the first limiting member.

In this technical scheme, the quantity of elastic component is two at least, and two elastic components distribute along the circumference of first locating part to when the elastic component stretches out the mounting hole, can be better spacing to the fan blade, guaranteed the reliability of fan blade installation, improved the joint strength of fan blade and axial region.

In any of the above technical solutions, further, a line connecting any two points on the cross section of the first stopper is a first line, a line connecting any two points on the cross section of the shaft portion is a second line, and a maximum value of the length of the first line is smaller than or equal to a maximum value of the length of the second line.

In this technical scheme, the maximum value of the length of first line is less than or equal to the maximum value of second line length, also is the size of first locating part is less than the size of axial region promptly, and then has guaranteed that first locating part can stretch into the mounting hole.

In any of the above technical solutions, further, both the first limiting member and the shaft portion are provided with a thread structure, and the first limiting member and the shaft portion are connected through the thread structure.

In this technical scheme, all be equipped with helicitic texture on the first locating part and on the axial region, first locating part and axial region are connected through helicitic texture to be convenient for the installation and the dismantlement of first locating part.

In any of the above technical solutions, further, the shaft portion is adapted to drive the fan blade to rotate, and a rotation direction of the threaded structure on the first limiting member is opposite to a rotation direction of the fan blade.

In the technical scheme, the shaft part rotates to be capable of linking the fan blade to rotate, wherein the rotating direction of the threaded structure on the first limiting part is opposite to the rotating direction of the fan blade, so that the first limiting part can be prevented from falling off when the fan blade rotates, and the reliability of the fan is ensured.

In any of the above technical solutions, further, the shaft portion is further provided with a second limiting member; the fan blade is provided with a limiting structure, the limiting structure is arranged at one end, away from the elastic part, of the fan blade along the axis direction of the shaft part, and the second limiting part is connected with the limiting structure to lock the shaft part and the fan blade.

In the technical scheme, the shaft part is further provided with a second limiting part, and the second limiting part is connected with a limiting structure on the fan blade, so that the fan blade can be fixed on the shaft part, further the fan blade can rotate along with the rotation of the shaft part, and the movement of the fan blade in other directions except the rotation along with the shaft part can be limited. The limiting structure is located at one end, far away from the elastic part, of the fan blade, namely the second limiting part and the elastic part are located at two ends of the fan blade in the axial direction, so that the fan blade can be fixed on the shaft part through the matching of the second limiting part and the limiting structure and the matching of the elastic part and the fan blade, and the fan blade can rotate along with the rotation of the shaft part.

In any one of the above technical solutions, further, the second limiting part includes a pin, the pin is disposed along a radial direction of the shaft portion, and the pin is clamped with the limiting structure.

In this technical scheme, the second locating part includes the round pin axle, and the round pin axle is installed on the axial region, specifically, and the round pin axle sets up along the radial direction of axial region, and then with limit structure looks joint.

In any of the above technical solutions, further, the limiting structure includes a clamping groove, and the clamping groove is communicated with the mounting hole.

In the technical scheme, the limiting structure comprises a clamping groove, and the clamping groove is communicated with the mounting hole, so that when the fan blade is sleeved on the shaft part, the pin shaft is clamped with the clamping groove to fix the fan blade.

Specifically, the elastic part is an elastic buckle formed on the first limiting part.

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

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view showing a structure of a fan in the related art;

fig. 2 is another schematic structural view of a fan in the related art.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 and fig. 2 is:

100 'fan, 102' fan blade, 104 'motor shaft, 106' nut.

Figure 3 shows a cross-sectional view of a fan according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of a shaft portion of an embodiment of the invention;

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

fig. 6 shows a schematic diagram of a partial explosion structure of the fan according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 3 to 6 is:

100 fans, 102 fan blades, 1020 limit structures, 104 shaft portions, 106 first limit parts, 108 elastic parts and 110 second limit parts.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A fan 100 according to some embodiments of the present invention is described below with reference to fig. 3 to 6.

Example one

According to an embodiment of the present invention, the present invention provides a fan 100, the fan 100 includes: fan blades 102 and shaft portions 104.

As shown in fig. 3, specifically, the fan blade 102 has a mounting hole; the shaft portion 104 is disposed in the mounting hole, wherein a first limiting member 106 is disposed at one end of the shaft portion 104 extending into the mounting hole, an elastic portion 108 is disposed on the first limiting member 106, and the elastic portion 108 is adapted to pass through the mounting hole to mount the fan blade 102 on the shaft portion 104.

The utility model provides a fan 100, including fan blade 102 and axial region 104, fan blade 102 is installed on axial region 104, and then the rotation through axial region 104 drives fan blade 102 and rotates and flow in order to drive the air current, specifically, the mounting hole has on the fan blade 102, the mounting hole is located to axial region 104, wherein, the one end that axial region 104 stretches into in the mounting hole is equipped with first locating part 106, be equipped with elasticity portion 108 on first locating part 106, elasticity portion 108 has elasticity, when installing fan blade 102, elasticity portion 108 can pass the mounting hole and install fan blade 102 on axial region 104, the installation degree of difficulty of fan blade 102 has been reduced, the installation rate of fan blade 102 has been improved, and then user experience has been promoted.

It can be understood that, the first limiting member 106 is pre-installed on the shaft 104, which can prevent the first limiting member 106 from being lost during the transportation of the fan 100, and when the fan blade 102 is installed, the fan blade 102 is directly sleeved on the shaft 104 provided with the first limiting member 106 without detaching the first limiting member 106, and the elastic portion 108 can fix the fan blade 102 after extending out of the installation hole, which reduces the installation difficulty.

It can be understood that, the elastic portion 108 has elasticity, when the shaft portion 104 is installed in the installation hole, the elastic portion 108 can be gathered towards the shaft portion 104 to be accommodated in the installation hole, and when the shaft portion 104 continues to extend towards the upper side of the fan blade 102, the elastic portion 108 can extend out of the installation hole and abut against the end portion of the fan blade 102, so as to install the fan blade 102 on the shaft portion 104, so that the fan blade 102 can rotate along with the rotation of the shaft portion 104.

Specifically, the elastic portion 108 and the first limiting member 106 are an integral structure, and when the fan blade 102 is installed, the first limiting member 106 is installed on the shaft portion 104 in advance, that is, a user only needs to sleeve the fan blade 102 into the shaft portion 104 from the end where the first limiting member 106 is installed, and when at least a portion of the elastic portion 108 and the first limiting member 106 extends out of the installation hole, the fan blade 102 can be fixed on the shaft portion 104.

Specifically, in the related art, in order to prevent the nut from being lost, manufacturers generally pre-tighten the nut on the motor shaft. When the user installs the fan blade, have many problems, for example because the motor shaft is nimble rotatory, the cable nut is tight in advance, the user need twist the nut earlier off, again the fan blade cover goes into the motor shaft, then screws up the nut, because the motor shaft can nimble pivoted, the user is because unfamiliar, does not fix the motor shaft, finds that the nut can not twist off, in addition because the screw thread between nut and the motor shaft is left-handed screw, and is reverse with the right-handed screw that commonly uses, causes the user to obscure more, when assembling the fan for the first time, can not install. According to the technical scheme provided by the application, the first limiting piece 106 is pre-installed on the shaft portion 104, so that the first limiting piece 106 is prevented from being lost, meanwhile, when the fan blade 102 is installed, the elastic portion 108 is installed on the first limiting piece 106, so that the fan blade 102 is directly sleeved on the shaft portion 104 without screwing the first limiting piece 106 off from the shaft portion 104, the fan blade 102 can be fixed when the elastic portion 108 extends out of the installation hole, the installation efficiency is improved, and the use experience of a user is also improved.

Example two

As shown in fig. 3, according to an embodiment of the present invention, including the features defined in the above embodiment, and further: in a projection along the axial direction of the shaft portion 104, at least a part of the elastic portion 108 is located outside the hole of the mounting hole.

In this embodiment, in a projection along the axial direction of the shaft 104, at least a portion of the elastic portion 108 is located outside the hole of the mounting hole, that is, the size of the elastic portion 108 is larger than that of the mounting hole, so that after the elastic portion 108 extends out of the mounting hole, it can abut against the fan blade 102, and the fan blade 102 is prevented from coming off the shaft 104, so as to fix the fan blade 102 on the shaft 104.

Specifically, the outer edge of the elastic portion 108 is larger than the mounting hole.

Further, as shown in fig. 4 and 5, along the axial direction of the shaft 104, one end of the elastic portion 108 connected to the first limiting member 106 forms a first end, the elastic portion 108 extends from the first end to the other end of the shaft 104 to form a second end of the elastic portion 108, and the second end of the elastic portion 108 abuts against the blade 102.

In this embodiment, one end of the elastic portion 108 connected to the first limiting member 106 forms a first end of the elastic portion 108, the elastic portion 108 extends from the first end to the other end of the shaft portion 104 to form a second end of the elastic portion 108, that is, the first end of the elastic portion 108 is connected to the first limiting member 106, and the second end of the elastic portion 108 extends toward the other end of the shaft portion 104 and abuts against the fan blade 102.

Further, from the second end to the first end, the outer peripheral wall of the elastic portion 108 is provided obliquely to the axial direction of the shaft portion 104.

In this embodiment, from the second end to the first end, the outer peripheral wall of the elastic portion 108 is inclined toward the axis of the shaft 104, so that the distance between the second end of the elastic portion 108 and the shaft 104 is greater than the distance between the first end of the elastic portion 108 and the shaft 104, on one hand, when the shaft 104 is inserted into the mounting hole, the smaller end of the elastic portion 108 enters the mounting hole first, so that the elastic portion 108 is inserted into the mounting hole, on the other hand, when the elastic portion 108 is inserted into the mounting hole, the larger end of the elastic portion 108 can abut against the blade 102, so that the position of the blade 102 is limited, and the blade 102 is fixed on the shaft 104.

Specifically, the distance between the outer peripheral wall of the elastic portion 108 and the shaft portion 104 gradually increases or the distance between the outer peripheral wall of the elastic portion 108 and the shaft portion 104 at least partially increases in the direction from the first end to the second end of the elastic portion 108.

Further, as shown in fig. 5, the first end is formed with a chamfer, and an end surface of the first end is located in the mounting hole in a projection along the axial direction of the shaft portion 104.

In this embodiment, a first end of the elastic portion 108 is formed with a chamfer, and an axial projection of the first end is located in the mounting hole, that is, the first end after forming the chamfer is smaller than the mounting hole, and when the fan blade 102 is mounted, the first end enters the mounting hole first, so that the mounting of the fan blade 102 is facilitated.

EXAMPLE III

As shown in fig. 4 and 5, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the number of the elastic portions 108 is at least two, and the at least two elastic portions 108 are distributed along the circumferential direction of the first limiting member 106.

In this embodiment, the number of the elastic portions 108 is at least two, and the two elastic portions 108 are distributed along the circumferential direction of the first limiting member 106, so that when the elastic portions 108 extend out of the mounting holes, the fan blade 102 can be better limited, the mounting reliability of the fan blade 102 is ensured, and the connection strength between the fan blade 102 and the shaft portion 104 is improved.

Example four

As shown in fig. 5, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the line connecting any two points on the cross section of the first stopper 106 is a first line, the line connecting any two points on the cross section of the shaft portion 104 is a second line, and the maximum value of the length of the first line is less than or equal to the maximum value of the length of the second line.

In this embodiment, the maximum length of the first connection line is less than or equal to the maximum length of the second connection line, that is, the size of the first limiting member 106 is less than that of the shaft portion 104, so as to ensure that the first limiting member 106 can extend into the mounting hole.

Specifically, the portion of the shaft portion 104 connected to the mounting hole is cylindrical, and the portion of the first limiting member 106 extending into the mounting hole is cylindrical, that is, the diameter of the outer sidewall of the first limiting member 106 is smaller than or equal to the diameter of the shaft portion 104.

EXAMPLE five

As shown in fig. 3, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the first limiting member 106 and the shaft portion 104 are both provided with a threaded structure, and the first limiting member 106 and the shaft portion 104 are connected through the threaded structure.

In this embodiment, the first limiting member 106 and the shaft 104 are both provided with a threaded structure, and the first limiting member 106 and the shaft 104 are connected by the threaded structure, so that the first limiting member 106 can be conveniently mounted and dismounted.

Specifically, when the fan blade 102 needs to be detached, the first limiting member 106 can be rotated out from the shaft 104 by rotating the first limiting member 106, so as to detach the fan blade 102.

It will be appreciated that the blade 102 may also be removed by reducing the resilient portion 108 so that it is again received in the mounting hole.

Specifically, the first retaining member 106 includes a nut.

Further, the shaft portion 104 is adapted to drive the fan blade 102 to rotate, and the rotation direction of the threaded structure on the first retaining member 106 is opposite to the rotation direction of the fan blade 102.

In this embodiment, the shaft 104 rotates to link the fan blade 102, wherein the rotation direction of the threaded structure on the first limiting member 106 is opposite to the rotation direction of the fan blade 102, so that when the fan blade 102 rotates, the first limiting member 106 can be prevented from falling off, and the reliability of the fan 100 is ensured.

EXAMPLE six

As shown in fig. 5 and 6, according to an embodiment of the present invention, including the features defined in any of the above embodiments, and further: the shaft portion 104 is further provided with a second limiting member 110; the blade 102 is provided with a limiting structure 1020, the limiting structure 1020 is arranged at one end of the blade 102 far away from the elastic part 108 along the axial direction of the shaft part 104, and the second limiting member 110 is connected with the limiting structure 1020 to lock the shaft part 104 and the blade 102.

In this embodiment, the shaft portion 104 is further provided with a second limiting member 110, and the second limiting member 110 is connected to a limiting structure 1020 on the fan blade 102, so that the fan blade 102 can be fixed on the shaft portion 104, and can limit the movement of the fan blade 102 in other directions except the rotation direction, so that the fan blade 102 can rotate along with the rotation of the shaft portion 104. The limiting structure 1020 is located at one end of the fan blade 102 away from the elastic portion 108, that is, the second limiting member 110 and the elastic portion 108 are located at two ends of the fan blade 102 in the axial direction, so that the fan blade 102 can be fixed on the shaft portion 104 by the cooperation of the second limiting member 110 and the limiting structure 1020 and the cooperation of the elastic portion 108 and the fan blade 102, and the fan blade 102 can rotate along with the rotation of the shaft portion 104.

It will be appreciated that the shaft 104 and the fan blade 102 are locked, i.e. the fan blade 102 is fixed to the shaft 104, i.e. the fan blade 102 is fixedly mounted to the shaft 104, such that the fan blade 102 is rotatable with the rotation of the shaft 104.

Further, the second limiting member 110 includes a pin, the pin is disposed along the radial direction of the shaft portion 104, and the pin is clamped with the limiting structure 1020.

In this embodiment, the second limiting member 110 includes a pin, and the pin is installed on the shaft portion 104, specifically, the pin is disposed along a radial direction of the shaft portion 104, and then is clamped with the limiting structure 1020.

Specifically, a through hole is formed in the shaft portion 104, the through hole penetrates through the shaft portion 104 along a radial direction of the shaft portion 104, the second limiting member 110 is disposed in the through hole, and a portion of the second limiting member 110 extends out of the through hole and is clamped with the limiting structure 1020. Of course, the pin may also be welded to the shaft portion 104.

Further, as shown in fig. 6, the limiting structure 1020 includes a clamping groove, and the clamping groove is communicated with the mounting hole.

In this embodiment, the limiting structure 1020 includes a slot, and the slot is communicated with the mounting hole, so that when the fan blade 102 is sleeved on the shaft portion 104, the pin shaft is engaged with the slot to fix the fan blade 102.

Specifically, the elastic portion 108 is an elastic buckle formed on the first retaining member 106.

EXAMPLE seven

As shown in fig. 3 to 6, according to an embodiment of the present invention, the fan 100 includes a shaft portion 104, a pin, a first limiting member 106, and a wind blade 102, the first limiting member 106 is fixed on the shaft portion 104 through a thread, the shaft portion 104 has a pin, the wind blade 102 has a slot matched with the pin, and the first limiting member 106 has an elastic buckle to fix the wind blade 102 on the shaft portion 104.

Further, the outer diameter of the first stopper 106 is equal to or smaller than the diameter of the shaft portion 104.

Further, the outer diameter of the first limiting member 106 is smaller than or equal to the diameter of the shaft portion 104, and two (or more) elastic buckles are arranged on the first limiting member 106, and the outer edges of the elastic buckles are larger than the mounting holes of the fan blades 102.

Furthermore, the upper part of the elastic buckle is provided with a chamfer, and the diameter of the top of the chamfer is slightly smaller than that of the mounting hole of the fan blade 102.

Specifically, the first limiting member 106 is a nut.

Specifically, the first stopper 106 is screwed to the shaft portion 104 in advance. When the fan blades 102 are assembled, the motor shaft can be directly sleeved in by aligning the clamping grooves of the fan blades 102 with the pin shafts.

Specifically, as shown in fig. 4 and 5, the first limiting member 106, the pin shaft, and the shaft portion 104 are assembled together. The first retaining member 106 is fastened to the shaft 104 by a screw structure, and the rotation direction of the screw structure is opposite to the rotation direction of the blade 102 when the fan 100 is in use (if the blade 102 rotates clockwise, the rotation direction of the screw structure is left-handed, and if the blade 102 rotates counterclockwise, the rotation direction of the screw is right-handed). The outer diameter of the first limiting member 106 is smaller than or equal to the diameter of the shaft portion 104, two (or more) elastic buckles are arranged on the first limiting member 106, the outer edges of the elastic buckles are larger than the mounting holes of the fan blades 102, a chamfer is arranged at the upper portion of each elastic buckle, and the diameter of the top of each chamfer is slightly smaller than that of the mounting hole of the fan blade 102.

During assembly, as shown in fig. 6, as long as the locking groove of the fan blade 102 is aligned with the pin on the shaft 104, the fan blade 102 is directly sleeved into the shaft 104, and after the fan blade 102 completely sleeves the shaft 104, the elastic buckle on the first limiting member 106 can buckle the fan blade 102, so as to fix the fan blade 102, wherein the arrow direction in fig. 6 is the installation direction of the fan blade 102.

Specifically, there are two ways to disassemble the fan blade 102, one is to make the elastic buckle on the first limiting member 106 small, so that the fan blade 102 can be withdrawn; secondly, the first position-limiting member 106 is directly unscrewed from the shaft 104 and withdrawn, and the fan blade 102 can also be taken out.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (11)

1. A fan, characterized in that the fan comprises:

the fan blade is provided with a mounting hole;

the axial region, the axial region is located in the mounting hole, wherein, the axial region stretches into one end in the mounting hole is equipped with first locating part, be equipped with the elasticity portion on the first locating part, the elasticity portion is suitable for to pass the mounting hole is in order to incite somebody to action the fan blade is installed on the axial region.

2. The fan as claimed in claim 1,

at least a part of the elastic portion is located outside the hole of the mounting hole in a projection along the axial direction of the shaft portion.

3. The fan as claimed in claim 1,

along the axis direction of the shaft part, one end of the elastic part connected with the first limiting part forms a first end, the elastic part extends from the first end to the other end of the shaft part to form a second end of the elastic part, and the second end of the elastic part is abutted to the fan blade.

4. The fan as claimed in claim 3,

the outer peripheral wall of the elastic portion is inclined in the axial direction of the shaft portion from the second end to the first end.

5. The fan as claimed in claim 3,

the first end is formed with a chamfer, and in the projection of the axial direction of the shaft portion, the end face of the first end is located in the mounting hole.

6. The fan according to any one of claims 1 to 5,

the number of the elastic parts is at least two, and the at least two elastic parts are distributed along the circumferential direction of the first limiting part.

7. The fan according to any one of claims 1 to 5,

the connecting line of any two points on the cross section of the first limiting part is a first connecting line, the connecting line of any two points on the cross section of the shaft part is a second connecting line, and the maximum value of the length of the first connecting line is smaller than or equal to the maximum value of the length of the second connecting line.

8. The fan according to any one of claims 1 to 5,

the first locating part and the shaft part are both provided with thread structures, and the first locating part and the shaft part are connected through the thread structures.

9. The fan as claimed in claim 8,

the shaft part is suitable for driving the fan blade to rotate, and the rotating direction of the threaded structure on the first limiting part is opposite to the rotating direction of the fan blade.

10. The fan according to any one of claims 1 to 5,

the shaft part is also provided with a second limiting piece;

the fan blade is provided with a limiting structure, the limiting structure is arranged at one end, away from the elastic part, of the fan blade along the axis direction of the shaft part, and the second limiting part is connected with the limiting structure to lock the shaft part and the fan blade.

11. The fan as claimed in claim 10,

the second limiting part comprises a pin shaft, the pin shaft is arranged along the radial direction of the shaft part, and the pin shaft is clamped with the limiting structure; and/or

The limiting structure comprises a clamping groove, and the clamping groove is communicated with the mounting hole.

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