CN220354149U - Transmission structure of net cover component and fan - Google Patents
Transmission structure of net cover component and fan Download PDFInfo
- Publication number
- CN220354149U CN220354149U CN202321972823.1U CN202321972823U CN220354149U CN 220354149 U CN220354149 U CN 220354149U CN 202321972823 U CN202321972823 U CN 202321972823U CN 220354149 U CN220354149 U CN 220354149U
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- Prior art keywords
- transmission
- motor
- transmission shaft
- head
- rear cover
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 65
- 230000008878 coupling Effects 0.000 claims abstract description 11
- 238000010168 coupling process Methods 0.000 claims abstract description 11
- 238000005859 coupling reaction Methods 0.000 claims abstract description 11
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a transmission structure of a mesh enclosure assembly and a fan, which comprises a machine shell, wherein a motor is arranged in the machine shell, a motor shaft of the motor penetrates through the machine shell to extend forwards, the front side of the machine shell is provided with the mesh enclosure assembly, the mesh enclosure assembly comprises a rear cover, the front side of the rear cover is provided with a front cover, a fan blade is arranged between the rear cover and the front cover, a driving head is arranged on the motor shaft of the motor, the fan blade is fixedly connected with a transmission shaft, the rear end of the transmission shaft penetrates through the rear cover to extend backwards, and the rear end of the transmission shaft is provided with a driven head which is coupled with the driving head for transmission. The driven head and the driving head of the motor are used for coupling transmission, and when the mesh enclosure is disassembled, the driven head and the driving head can be quickly separated through forward and backward movement without disassembling the front cover and then disassembling the fan blades, so that the whole mesh enclosure assembly can be quickly disassembled.
Description
Technical Field
The utility model relates to a mesh enclosure assembly and a transmission structure of a fan.
Background
The prior art is like the Chinese patent document, the bulletin number is CN217421587U, disclose an air circulation fan, including circulation fan head assembly and base assembly, circulation fan head assembly includes aircraft nose assembly and circulation fan blade assembly, the aircraft nose assembly splices with circulation fan blade assembly through the detachable mechanism, the circulation fan blade assembly includes fan blade main part, fan blade housing, rotating electrical machines; the machine head assembly comprises a machine head shell, a machine head swinging mechanism and a machine head circuit board; the detachable structure comprises a connecting base and a connecting gland, wherein the rotating motor is arranged in the connecting base and is positioned in the fan blade housing, the rear end of the connecting base is fixedly connected with the machine head housing, the front end of the connecting base protrudes into the fan blade housing, and the connecting gland is screwed at the front end of the connecting base so as to clamp part of the fan blade housing between the connecting base and the connecting gland. The utility model reduces the assembly difficulty of the machine head assembly and the circulating fan blade assembly through the arrangement and the use of the detachable structure so as to realize the functions of quick disassembly and installation. .
Based on the above, in the prior art, the fan blade main body is limited on the output shaft portion through the end cover assembly, that is, the fan blade is in interference insertion connection on the output shaft portion of the motor in the prior art. The transmission mode of the fan blade and the motor can influence the disassembly of the net cover component. The other fan blade is fixed on the motor shaft in a screwing way. When the mesh enclosure is detached, the front cover is required to be detached firstly, then the fan blades are detached from the motor shaft, and then the rear cover is detached, so that the transmission structure cannot directly detach the whole mesh enclosure assembly from the machine head, certain inconvenience exists, and the use requirement of a user cannot be met.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a screen assembly convenient to detach and a transmission structure of a fan.
According to the mesh enclosure assembly designed for the purpose, the mesh enclosure assembly comprises a rear cover, a front cover is arranged on the front side of the rear cover, fan blades are arranged between the rear cover and the front cover, the fan blades are fixedly connected with a transmission shaft, the rear end of the transmission shaft penetrates through the rear cover to extend backwards, and a driven head which is coupled with a driving head is arranged at the rear end of the transmission shaft.
Preferably, the rear cover is provided with a ring-shaped mounting part, a transmission bearing is arranged in the ring-shaped mounting part, the outer ring of the transmission bearing is fixedly connected with the ring-shaped mounting part, and the transmission shaft is inserted into the inner ring of the transmission bearing.
Preferably, a coupling cavity is provided on the rear cover at the rear side of the ring-shaped mounting part.
Preferably, the front end of the annular mounting part is further provided with an annular limiting part, and a sealing ring is further arranged between the annular limiting part and the front end surface of the transmission bearing.
Preferably, the driven head is in threaded connection with the transmission shaft.
The utility model provides a transmission structure of fan, includes the casing, install the motor in the casing, the motor shaft of motor passes the casing extends the setting forward, the screen panel subassembly is installed to the front side of casing, the screen panel subassembly includes the back shroud, the front shroud is installed to the front side of back shroud, the back shroud with be equipped with the flabellum between the front shroud, install the driving head on the motor shaft of motor, flabellum fixedly connected with transmission shaft, the rear end of transmission shaft passes the back shroud extends backward, the driven head with driving head coupling transmission is installed to the rear end of transmission shaft.
Compared with the prior art, the screen assembly comprises a rear cover, a front cover is arranged on the front side of the rear cover, fan blades are arranged between the rear cover and the front cover, the fan blades are fixedly connected with a transmission shaft, the rear end of the transmission shaft penetrates through the rear cover to extend backwards, and a driven head which is coupled with a driving head is arranged at the rear end of the transmission shaft. The driven head and the driving head of the motor are used for coupling transmission, and when the mesh enclosure is disassembled, the driven head and the driving head can be quickly separated through forward and backward movement without disassembling the front cover and then disassembling the fan blades, so that the whole mesh enclosure assembly can be quickly disassembled.
Drawings
FIG. 1 is a schematic plan view of a fan;
FIG. 2 is a schematic view of an exploded cross-sectional structure of a fan;
FIG. 3 is a schematic cross-sectional view of a fan;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;
fig. 5 is an exploded view of the screen assembly.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-5, a mesh enclosure assembly 20 includes a rear cover 210, a front cover 220 is mounted on the front side of the rear cover 210, a fan blade 230 is disposed between the rear cover 210 and the front cover 220, the fan blade 230 is fixedly connected with a transmission shaft 240, the rear end of the transmission shaft 240 extends backward through the rear cover 210, and a driven head 250 coupled with the driving head 50 is mounted on the rear end of the transmission shaft 240.
The driven head and the driving head of the motor are used for coupling transmission, and when the mesh enclosure is disassembled, the driven head and the driving head can be quickly separated through forward and backward movement without disassembling the front cover and then disassembling the fan blades, so that the whole mesh enclosure assembly can be quickly disassembled.
The coupling transmission of the driving head 50 and the driven head 250 is an important link for achieving quick disassembly, because the conventional fan blades are connected on the motor shaft by interference insertion or threads. The utility model adopts a coupling transmission mode, and only the driven head is required to be inserted and matched with the driving head backwards to the casing when the rear cover is assembled with the casing during assembly.
Referring to fig. 5, the rear cover 210 is provided with a ring-shaped mounting portion 214, a transmission bearing 216 is disposed in the ring-shaped mounting portion 214, an outer ring of the transmission bearing 216 is fixedly connected with the ring-shaped mounting portion 214, and the transmission shaft 240 is inserted into an inner ring of the transmission bearing 216. The transmission bearing 216 can enhance the rotation stability of the transmission shaft 240, so as to reduce abnormal noise generated by the fan blade 230 during rotation.
Referring to fig. 5, the front end of the annular mounting portion 214 is further provided with an annular limiting portion 217, and a sealing ring 215 is further provided between the annular limiting portion 217 and the front end surface of the transmission bearing 216. The function of the seal ring 215 is to prevent water from entering the inside of the transmission bearing 216 from the front side during disassembly and cleaning, so as to ensure the lubrication state of the bearing to ensure the stability of use.
Specifically, the rear end of the driving shaft 240 is fixed to the driven head 250 by a threaded connection.
When the fan blade 230 is detached, the driven head 250 needs to be detached from the transmission shaft 240, and then the fan blade 230 is pulled out of the transmission bearing 216 through the driven shaft 240.
Referring to fig. 5, a coupling cavity 218 is provided on the rear cover 210 at the rear side of the ring-shaped mounting portion 214, and the driven head 250 is located in the coupling cavity 218. The coupling cavity 217 is provided to couple the driving head 50 and the driven head 250 with a cavity space, so as to avoid the influence on the assembly of the rear cover 210 and the housing 110.
Specifically, in the present utility model, the rear cover 210 and the front cover 220 are assembled by using an existing connection manner, such as a snap connection or a bolt connection.
Referring to fig. 1 to 4, a transmission structure of a fan includes a casing 10, a motor 40 is installed in the casing 10, a motor shaft of the motor 40 extends forward through the casing 10, a screen assembly 20 is installed at a front side of the casing 10, the screen assembly 20 includes a rear cover 210, a front cover 220 is installed at a front side of the rear cover 210, a fan blade 230 is disposed between the rear cover 210 and the front cover 220, a driving head 50 is installed on the motor shaft of the motor 40, the fan blade 230 is fixedly connected with a transmission shaft 240, a rear end of the transmission shaft 240 extends backward through the rear cover 210, and a driven head 250 coupled with the driving head 50 is installed at a rear end of the transmission shaft 240.
Specifically, the rear cover 210 is detachably mounted on the casing 10, and may be fixed on the casing 10 by using an existing fastening structure or a bolt fastening structure.
Specifically, the driving head 50 is screwed on the motor shaft of the motor 40.
What is not described in detail in this specification is prior art known to those skilled in the art.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying the number of technical features being indicated.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a screen panel subassembly, screen panel subassembly (20) include back cover (210), front shroud (220) are installed to the front side of back cover (210), back cover (210) with be equipped with flabellum (230) between front shroud (220), its characterized in that: the fan blades (230) are fixedly connected with a transmission shaft (240), the rear end of the transmission shaft (240) penetrates through the rear cover (210) to extend backwards, and a driven head (250) which is coupled with the driving head (50) for transmission is arranged at the rear end of the transmission shaft (240).
2. A screen assembly as in claim 1 wherein: the rear cover (210) is provided with a ring-shaped mounting part (214), a transmission bearing (216) is arranged in the ring-shaped mounting part (214), the outer ring of the transmission bearing (216) is fixedly connected with the ring-shaped mounting part (214), and the transmission shaft (240) is inserted into the inner ring of the transmission bearing (216).
3. A screen assembly as in claim 2 wherein: a coupling cavity (218) is arranged on the rear cover (210) at the rear side of the annular mounting part (214).
4. A screen assembly as in claim 2 wherein: the front end of the annular mounting part (214) is also provided with an annular limiting part (217), and a sealing ring (215) is also arranged between the annular limiting part (217) and the front end surface of the transmission bearing (216).
5. The screen assembly of any one of claims 1 to 4, wherein: the driven head (250) is in threaded connection with the transmission shaft (240).
6. The utility model provides a transmission structure of fan, includes casing (10), install motor (40) in casing (10), the motor shaft of motor (40) passes casing (10) extend forward and set up, screen panel subassembly (20) are installed to the front side of casing (10), screen panel subassembly (20) include back shroud (210), front shroud (220) are installed to the front side of back shroud (210), back shroud (210) with be equipped with flabellum (230) between front shroud (220), its characterized in that: a driving head (50) is arranged on a motor shaft of the motor (40), the fan blades (230) are fixedly connected with a transmission shaft (240), the rear end of the transmission shaft (240) penetrates through the rear cover (210) to extend backwards, and a driven head (250) which is coupled with the driving head (50) for transmission is arranged at the rear end of the transmission shaft (240).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972823.1U CN220354149U (en) | 2023-07-25 | 2023-07-25 | Transmission structure of net cover component and fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321972823.1U CN220354149U (en) | 2023-07-25 | 2023-07-25 | Transmission structure of net cover component and fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220354149U true CN220354149U (en) | 2024-01-16 |
Family
ID=89504671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321972823.1U Active CN220354149U (en) | 2023-07-25 | 2023-07-25 | Transmission structure of net cover component and fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220354149U (en) |
-
2023
- 2023-07-25 CN CN202321972823.1U patent/CN220354149U/en active Active
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| GR01 | Patent grant |