CN215333622U - Fan blade structure, fan and air conditioner - Google Patents
Fan blade structure, fan and air conditioner Download PDFInfo
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- CN215333622U CN215333622U CN202120941633.8U CN202120941633U CN215333622U CN 215333622 U CN215333622 U CN 215333622U CN 202120941633 U CN202120941633 U CN 202120941633U CN 215333622 U CN215333622 U CN 215333622U
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- mounting hole
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Abstract
The embodiment of the utility model provides a fan blade structure, a fan and an air conditioner, and belongs to the field of air conditioners. The fan blade structure comprises a plurality of installation parts and fan blade bodies, the fan blade bodies are arranged on the periphery of the installation parts in an encircling mode, the installation parts are provided with a first side face and a second side face which are opposite to each other, installation through holes penetrating through the first side face and the second side face are formed in the installation parts, the aperture of each installation through hole in the first side face is larger than that of each installation through hole in the second side face, and the installation through holes are used for enabling the motor shaft to penetrate into the installation through holes from the first side face. The embodiment of the utility model can prevent the motor shaft from being reversely mounted, thereby ensuring the use reliability of the fan.
Description
Technical Field
The utility model relates to the technical field of air conditioners, in particular to a fan blade structure, a fan and an air conditioner.
Background
The fan is one of important parts of the air conditioner and comprises a motor, a motor shaft and a fan blade structure, wherein the motor drives the fan blade structure to rotate through the motor shaft, so that the air inlet function or the air outlet function of the air conditioner is realized. However, when the existing motor shaft and fan blade structure are assembled, the condition of reverse assembly is easy to occur, the use of the fan is influenced, and the safety risk of the use of the fan is increased.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problem that the motor shaft and the fan blade structure are easy to be reversely installed.
In order to solve the above problems, embodiments of the present invention provide a fan blade structure, a fan, and an air conditioner, which can prevent a motor shaft from being reversely mounted, thereby ensuring the use reliability and safety of the fan.
In a first aspect, the utility model provides a fan blade structure, which comprises a mounting part and a fan blade body, wherein the fan blade body comprises a plurality of fan blade bodies, the fan blade bodies are arranged on the periphery of the mounting part in a surrounding manner, the mounting part is provided with a first side surface and a second side surface which are opposite, and is provided with a mounting through hole penetrating through the first side surface and the second side surface, the aperture of the mounting through hole on the first side surface is larger than that on the second side surface, and the mounting through hole is used for enabling a motor shaft to penetrate into the mounting through hole from the first side surface.
The embodiment of the utility model provides a fan blade structure which comprises: the installation department is used for assembling the motor shaft, sets up the installation through-hole that runs through first side and second side on the installation department, and the aperture of installation through-hole on first side is greater than the aperture on the second side. When the motor shaft is assembled, the motor shaft can only penetrate into the mounting through hole from the first side face and cannot penetrate into the mounting through hole from the second side face, so that the motor shaft is effectively prevented from being reversely mounted.
In an optional embodiment, the mounting through hole includes a first mounting hole and a second mounting hole that are communicated with each other and coaxially disposed, the first mounting hole penetrates through the first side surface, the second mounting hole penetrates through the second side surface, and an aperture of the first mounting hole is larger than an aperture of the second mounting hole.
In an optional embodiment, the mounting portion is provided with a positioning portion in the first mounting hole, and the positioning portion protrudes relative to an inner wall of the first mounting hole and is used for positioning a motor shaft.
In an optional embodiment, the positioning portion has a positioning surface, and the positioning surface is a plane and is connected to the inner wall of the first mounting hole to position the motor shaft.
In an alternative embodiment, the positioning portion extends from a middle portion of the first mounting hole in an axial direction of the first mounting hole and extends to a joint of the first mounting hole and the second mounting hole.
In an optional embodiment, the mounting portion is provided with a positioning portion on an inner wall of the mounting through hole, and the positioning portion protrudes relative to the inner wall of the mounting through hole and is used for positioning the motor shaft.
In an optional embodiment, the mounting through hole includes a first mounting hole and a second mounting hole, the first mounting hole penetrates through the first side surface, the second mounting hole penetrates through the second side surface, the aperture of the first mounting hole is larger than that of the second mounting hole, and the positioning portion and the inner wall of the mounting through hole form the second mounting hole.
In a second aspect, the present invention provides a fan, including a motor shaft and the fan blade structure as described in any one of the foregoing embodiments, wherein the motor shaft is mounted to the mounting through hole.
The embodiment of the utility model provides a fan: the installation part of the fan blade structure is used for assembling a motor shaft, an installation through hole penetrating through the first side face and the second side face is formed in the installation part, and the aperture of the installation through hole on the first side face is larger than that on the second side face. When the motor shaft is assembled, the motor shaft can only penetrate into the mounting through hole from the first side face and cannot penetrate into the mounting through hole from the second side face, so that the motor shaft is effectively prevented from being reversely mounted.
In an optional embodiment, the fan further includes a fixing member, and the fixing member is fixedly connected to the motor shaft and is configured to fix the motor shaft to the mounting portion.
In a third aspect, the present invention provides an air conditioner, comprising the blower fan according to the foregoing embodiments.
The embodiment of the utility model provides an air conditioner, which comprises the fan, and can avoid reversely assembling a motor shaft and a fan blade structure, thereby ensuring normal work.
Drawings
Fig. 1 is a schematic view of a fan blade structure provided in an embodiment of the present invention;
fig. 2 is a schematic cross-sectional structure view of a fan blade structure provided in an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;
FIG. 4 is a schematic view of a mounting portion shown from a first side view according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mounting through hole provided in other embodiments of the present invention;
fig. 6 is a schematic view of a first mounting hole and a second mounting hole provided in other embodiments of the present invention.
Icon: 100-a fan blade structure; 110-a mounting portion; 111-a first side; 112-a second side; 113-mounting a through hole; 1131 — a first mounting hole; 1132 — a second mounting hole; 114-a positioning section; 1141-a positioning surface; 120-fan blade body.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
Referring to fig. 1, an embodiment of the utility model provides a fan blade structure 100. The fan blade structure 100 can be used for a fan and is matched with a motor shaft, so that the fan blade structure 100 is driven to rotate through the motor, and the air outlet or air inlet function is realized. The fan blade structure 100 provided by the embodiment of the utility model can prevent the motor shaft from being reversely mounted, so that the motor shaft and the fan blade structure 100 are firmly mounted, and the normal use of the fan is ensured and the use reliability of the fan is improved.
In addition, it should be noted that, in the embodiment of the present invention, the fan including the fan blade structure 100 described above may be applied to an air conditioner. The air conditioner is provided with a plurality of fans, such as outdoor fans and the like, and the fan blade structure 100 can be applied to each fan of the air conditioner, so that the use reliability of the fans is improved.
Referring to fig. 2, in the embodiment of the present invention, the blade structure 100 includes a mounting portion 110 and a blade body 120, the blade body 120 includes a plurality of blade bodies 120, and the plurality of blade bodies 120 are disposed around the periphery of the mounting portion 110, referring to fig. 3, the mounting portion 110 has a first side surface 111 and a second side surface 112 opposite to each other, and is provided with a mounting through hole 113 penetrating through the first side surface 111 and the second side surface 112, and the aperture of the mounting through hole 113 on the first side surface 111 is larger than the aperture on the second side surface 112, and the mounting through hole 113 is used for allowing a motor shaft to penetrate into the mounting through hole 113 from the first side surface 111.
As shown in fig. 1, in the present embodiment, the number of the blade bodies 120 is three, and the blade bodies are substantially shaped like blades. And the three fan blade bodies 120 are substantially uniformly arranged at the periphery of the mounting part 110. Of course, the number of the fan blade bodies 120 is not limited to this, and in other embodiments of the present invention, other numbers may also be used. The number of the fan blade bodies 120 is not specifically required and limited.
It should be noted that, regarding the connection mode between the fan blade body 120 and the mounting portion 110, the embodiment of the present invention is not specifically required or limited, and the fan blade body 120 and the mounting portion 110 may be integrally formed, for example, by injection molding, stamping, and other processes; the fan blade body 120 and the mounting portion 110 may be fixed by a fixing structure such as a bolt.
In the embodiment of the present invention, the mounting portion 110 is used for mounting the motor shaft, a mounting through hole 113 penetrating the first side surface 111 and the second side surface 112 is formed on the mounting portion 110, and the aperture of the mounting through hole 113 on the first side surface 111 is larger than that on the second side surface 112. When assembling the motor shaft, the motor shaft can only penetrate into the mounting through hole 113 from the first side 111, but cannot penetrate into the mounting through hole from the second side 112, thereby effectively avoiding reversely mounting the motor shaft.
It is noted that, regarding the size of the motor shaft, the size of the end of the motor shaft is smaller than or equal to the size of the mounting through hole 113 on the first side 111 to pass the motor shaft through the mounting through hole 113. While, when the motor shaft is passed through the mounting through-hole 113 from the second side surface 112, there may be one of the following two cases: the size of the end of the motor shaft is substantially the same as or slightly larger than the size of the mounting through-hole 113 at the second side 112 so that the motor shaft cannot pass through the mounting through-hole 113; the end of the motor shaft can penetrate into the mounting through-hole 113 from the second side 112, but the motor shaft does not penetrate into the mounting through-hole 113 deep enough to fix the motor shaft to the mounting portion 110, thereby failing in the assembly of the motor shaft. That is, in the embodiment of the present invention, the motor shaft can only penetrate into the mounting through hole 113 from the first side surface 111 and be normally assembled, so that the reverse assembly of the motor shaft is effectively avoided, which is beneficial to ensuring the normal use of the fan and improving the reliability of the use of the fan.
In the embodiment of the present invention, as for the arrangement manner of the mounting through-hole 113, the aperture of the mounting through-hole 113 at the first side 111 of the mounting portion 110 is large, that is, the opening of the mounting through-hole 113 penetrating through the first side 111 is large; on the second side 112 of the mounting portion 110, the hole diameter of the mounting through-hole 113 is small, that is, the opening of the mounting through-hole 113 through the second side 112 is small. The aperture of the mounting through hole 113 may be gradually changed from "large aperture" at the first side 111 to "small aperture" at the second side 112, or may be changed in steps, and thus, the embodiment of the present invention is not particularly limited.
Referring to fig. 3, in the present embodiment, the installation through hole 113 includes a first installation hole 1131 and a second installation hole 1132 that are communicated with each other and coaxially disposed, the first installation hole 1131 penetrates through the first side 111, the second installation hole 1132 penetrates through the second side 112, and an aperture of the first installation hole 1131 is larger than an aperture of the second installation hole 1132.
It should be pointed out that, first mounting hole 1131 and second mounting hole 1132 can form the transition step in the junction, and the both sides of transition step are the inner wall of first mounting hole 1131 and second mounting hole 1132 respectively, can set up on the motor shaft with this transition step complex correspond the step, realize spacing and the location of axial to the motor shaft. As shown, the transition step is generally at a right angle; of course, the utility model is not limited to this, and in other embodiments of the utility model, the transition step may be configured as a rounded transition, etc.
In the embodiment as shown in fig. 3, the first mounting hole 1131 and the second mounting hole 1132 both have a certain length, the aperture of the first mounting hole 1131 is large, the size of the corresponding motor shaft is also large, and the length of the first mounting hole 1131 can be set to be larger than the length of the second mounting hole 1132, so that the motor shaft has a large size, and the structural strength of the motor shaft is ensured. It should be noted that in the embodiment of the present invention, the second mounting hole 1132 is mainly provided to prevent the motor shaft from being reversely mounted, and the length thereof may be set to be short. Meanwhile, in order to fix the motor shaft, a screw may be assembled from the second mounting hole 1132 to the motor shaft, thereby realizing fixation of the motor shaft. That is, the motor shaft may not protrude into the second mounting hole 1132, but may be fitted only to a connection of the first mounting hole 1131 and the second mounting hole 1132.
Referring to fig. 4, the mounting portion 110 is further provided with a positioning portion 114 in the first mounting hole 1131, and the positioning portion 114 protrudes relative to the inner wall of the first mounting hole 1131 for positioning the motor shaft.
It should be noted that the positioning portion 114 can limit the axial movement of the motor shaft, and control the depth of the motor shaft entering the first mounting hole 1131; meanwhile, the positioning portion 114 may also limit the axial rotation of the motor shaft, at this time, the positioning portion 114 may be provided with a positioning surface 1141, and the positioning surface 1141 is provided as a plane and connected to the inner wall of the first mounting hole 1131 to position the motor shaft. The way of positioning the motor shaft by the positioning portion 114 is simple and convenient, facilitating the assembly of the motor shaft.
As shown in fig. 4, when viewed from the first side 111, the positioning portion 114 is substantially in a shape of "D" with a downward transverse edge, at this time, the positioning surface 1141 is a plane, the plane intersects with the first mounting hole 1131, and the positioning surface 1141 can be positioned and matched with a corresponding surface on the motor shaft, so as to position the motor shaft, and at the same time, the relative rotation between the motor shaft and the fan blade structure 100 can be prevented, so as to ensure the normal operation of the fan.
Alternatively, the positioning portion 114 extends from the middle of the first mounting hole 1131 in the axial direction of the first mounting hole 1131, and extends to the connection of the first mounting hole 1131 and the second mounting hole 1132. At this time, the motor shaft may be fitted to the junction of the first mounting hole 1131 and the second mounting hole 1132 without continuously extending into the second mounting hole 1132; the motor shaft may be fixed from one side of the second mounting hole 1132 by a screw.
In the embodiment, the blade structure 100 includes a mounting portion 110 and a blade main body, for the mounting portion 110, a mounting through hole 113 is formed, and the mounting through hole 113 penetrates through the mounting portion 110. The mounting through-hole 113 may include a first mounting hole 1131 and a second mounting hole 1132, and the first mounting hole 1131 and the second mounting hole 1132 have different apertures, for example, the aperture of the first mounting hole 1131 is larger than that of the second mounting hole 1132, so as to rotate the motor shaft from the first mounting hole 1131 into the second mounting hole 1132, but not from the second mounting hole 1132, thereby preventing the motor shaft from being reversely mounted.
Referring to fig. 5, in an alternative embodiment, the mounting portion 110 is provided with a positioning portion 114 on an inner wall of the mounting through hole 113, and the positioning portion 114 protrudes relative to the inner wall of the mounting through hole 113 for positioning the motor shaft. At this time, the size of the mounting through-hole 113 may be gradually changed, and the inner wall of the mounting through-hole 113 is an inclined straight line segment in a sectional view of the mounting through-hole 113. The installation part 110 is arranged on the inner wall of the installation through hole 113, and can be matched with a motor shaft to realize the positioning and limiting of the motor shaft.
Further, referring to fig. 6, when the mounting through hole 113 includes a first mounting hole 1131 and a second mounting hole 1132, the first mounting hole 1131 penetrates through the first side 111, and the second mounting hole 1132 penetrates through the second side 112, and an aperture of the first mounting hole 1131 is larger than an aperture of the second mounting hole 1132. At this time, the second mounting hole 1132 may be formed by the positioning portion 114 and the inner wall of the mounting through hole 113, and at this time, the motor shaft is inserted into the second mounting hole 1132 and is in positioning engagement with the positioning portion 114.
The utility model provides a fan, which comprises a motor shaft and the fan blade structure 100, wherein the motor shaft is arranged in an installation through hole 113.
Alternatively, the motor shaft may be fixedly connected to the motor shaft through a fixing member, so that the motor shaft is fixed to the mounting portion 110, thereby achieving the mounting and fixing of the motor shaft. The fixing member may be a screw or the like.
The utility model provides an air conditioner, and an outdoor fan, an indoor fan and the like of the air conditioner can be the fans.
The embodiment of the utility model provides a fan blade structure 100, a fan and an air conditioner: the mounting portion 110 is used for mounting a motor shaft, a mounting through hole 113 penetrating through the first side surface 111 and the second side surface 112 is formed in the mounting portion 110, and the aperture of the mounting through hole 113 on the first side surface 111 is larger than that on the second side surface 112. When assembling the motor shaft, the motor shaft can only penetrate into the mounting through hole 113 from the first side 111, but cannot penetrate into the mounting through hole from the second side 112, thereby effectively avoiding reversely mounting the motor shaft.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (10)
1. The utility model provides a fan blade structure, its characterized in that, includes installation department (110) and fan blade body (120), fan blade body (120) are including a plurality ofly, and a plurality of fan blade body (120) ring is located the periphery of installation department (110), installation department (110) have relative first side (111) and second side (112), and seted up and run through first side (111) with installation through-hole (113) of second side (112), just installation through-hole (113) are in aperture on first side (111) is greater than aperture on second side (112), installation through-hole (113) are used for making the motor shaft penetrate from first side (111) installation through-hole (113).
2. The fan blade structure of claim 1, wherein the mounting through hole (113) comprises a first mounting hole (1131) and a second mounting hole (1132) which are communicated with each other and coaxially arranged, the first mounting hole (1131) penetrates through the first side surface (111), the second mounting hole (1132) penetrates through the second side surface (112), and the aperture of the first mounting hole (1131) is larger than that of the second mounting hole (1132).
3. The fan blade structure of claim 2, wherein the mounting portion (110) is provided with a positioning portion (114) in the first mounting hole (1131), and the positioning portion (114) protrudes relative to the inner wall of the first mounting hole (1131) and is used for positioning a motor shaft.
4. The fan blade structure of claim 3, wherein the positioning portion (114) has a positioning surface (1141), and the positioning surface (1141) is disposed as a plane and connected to an inner wall of the first mounting hole (1131) for positioning the motor shaft.
5. The fan blade structure of claim 3 or 4, wherein the positioning portion (114) extends from the middle of the first mounting hole (1131) along the axial direction of the first mounting hole (1131) and extends to the connection position of the first mounting hole (1131) and the second mounting hole (1132).
6. The fan blade structure of claim 1, wherein the mounting portion (110) is provided with a positioning portion (114) on an inner wall of the mounting through hole (113), and the positioning portion (114) protrudes relative to the inner wall of the mounting through hole (113) and is used for positioning the motor shaft.
7. The fan blade structure of claim 6, wherein the mounting through hole (113) comprises a first mounting hole (1131) and a second mounting hole (1132), the first mounting hole (1131) penetrates through the first side surface (111), the second mounting hole (1132) penetrates through the second side surface (112), the aperture of the first mounting hole (1131) is larger than that of the second mounting hole (1132), and the positioning portion (114) and the inner wall of the mounting through hole (113) form the second mounting hole (1132).
8. A fan, characterized by comprising a motor shaft and the blade structure (100) of any one of claims 1 to 7, wherein the motor shaft is mounted to the mounting through hole (113).
9. The fan of claim 8, further comprising a fixing member fixedly connected to the motor shaft for fixing the motor shaft to the mounting portion (110).
10. An air conditioner characterized by comprising the blower fan according to claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941633.8U CN215333622U (en) | 2021-04-30 | 2021-04-30 | Fan blade structure, fan and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120941633.8U CN215333622U (en) | 2021-04-30 | 2021-04-30 | Fan blade structure, fan and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333622U true CN215333622U (en) | 2021-12-28 |
Family
ID=79597464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120941633.8U Active CN215333622U (en) | 2021-04-30 | 2021-04-30 | Fan blade structure, fan and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333622U (en) |
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2021
- 2021-04-30 CN CN202120941633.8U patent/CN215333622U/en active Active
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