CN221033229U - Fan with can dismantle structure of making an uproar falls - Google Patents
Fan with can dismantle structure of making an uproar falls Download PDFInfo
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- CN221033229U CN221033229U CN202323201661.4U CN202323201661U CN221033229U CN 221033229 U CN221033229 U CN 221033229U CN 202323201661 U CN202323201661 U CN 202323201661U CN 221033229 U CN221033229 U CN 221033229U
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- fan
- casing
- impeller
- end cover
- cover
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- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 101100327310 Caenorhabditis elegans emb-27 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a fan with can dismantle structure of making an uproar that falls, includes casing, stator, rotor and impeller, and the stator sets firmly in the casing, and the rotor changes to locate in the casing, and the impeller locates the one end of casing and with the pivot fixed connection of rotor, and the one end that the casing is close to the impeller is equipped with the end cover, and the impeller periphery is located to the end cover, and the end cover top is equipped with the opening, and open-ended inner circle is connected with the kuppe, and the inner circle of kuppe has the loudspeaker form water conservancy diversion runner of inwards sloping 15-45 degrees angles. According to the scheme, the embedded guide cover is arranged at the opening of the end cover, so that the air flow guiding function is achieved while the axial height of the fan is not increased, the noise reduction function of the fan is provided, and meanwhile, the problem that the axial height of the fan is increased due to the noise reduction structure is avoided, and further, the problem that the assembly space is required more is solved; the air guide sleeve adopts a detachable assembly structure, so that the maintenance and the replacement are convenient, and the maintenance cost is reduced; by arranging the retaining spring, the connection strength between the guide cover and the end cover is enhanced, and the problem that the guide cover falls off due to vibration is avoided.
Description
Technical Field
The utility model relates to the technical field of fan noise reduction, in particular to a fan with a detachable noise reduction structure.
Background
The high-speed fan is a fan with higher rotating speed, is usually used in applications requiring larger air quantity and pressure, and with the continuous progress of technology, the requirements of people on equipment operation are higher and higher, and the fan is a driven fluid machine which relies on input mechanical energy to improve the air pressure and discharge air. The fan generally includes a ventilator, a blower, and a wind power generator. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a motor, a belt pulley, a coupler, a muffler, a transmission piece (bearing) and the like.
The high-speed fan can produce a large amount of noise in the operation process, and then can influence user experience. Based on this, various noise reduction structures are currently used to realize the noise reduction function of the fan, such as a guide cover. However, the existing air guide sleeve is complex in structure, and the axial height of the fan can be increased when the air guide sleeve is installed at one end of the fan, so that new requirements are put forward for the assembly space, and the miniaturization design is not facilitated. In addition, the existing guide cover is simple in assembly structure, looseness is easy to occur under a vibration environment, and finally the guide cover is caused to fall off.
Therefore, in order to solve the above-mentioned problems, it is necessary to design a fan with a detachable noise reduction structure.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide a fan with a detachable noise reduction structure.
To achieve the above and other related objects, the present utility model provides the following technical solutions: the utility model provides a fan with can dismantle structure of making an uproar falls, includes casing, stator, rotor and impeller, the stator set firmly in the casing, the rotor is changeed and is located in the casing, the impeller is located the one end of casing and with the pivot fixed connection of rotor, the casing is close to the one end of impeller is equipped with the end cover, the end cover is located the impeller periphery, the end cover top is equipped with the opening, open-ended inner circle is connected with the kuppe, the inner circle of kuppe has the loudspeaker form water conservancy diversion runner of inwards sloping 15-45 degrees angles.
The preferable technical scheme is as follows: the opening is formed into a stepped hole structure and comprises a large-diameter section, a small-diameter section and a stepped surface formed between the large-diameter section and the small-diameter section; the inner ring of the large-diameter section is provided with a threaded groove, the outer ring of the air guide sleeve is provided with a threaded protrusion, and the threaded groove is correspondingly matched with the threaded protrusion.
The preferable technical scheme is as follows: the anti-return device further comprises an anti-return spring, the outer diameter of the anti-return spring is matched with the inner diameter of the large-diameter section, and the anti-return spring is arranged on the step surface and is abutted by the guide cover.
The preferable technical scheme is as follows: the air guide sleeve is made of carbon fibers.
The preferable technical scheme is as follows: the end cover is sleeved at one end of the shell and fixed through bolts.
Due to the application of the technical scheme, the utility model has the following beneficial effects:
According to the fan with the detachable noise reduction structure, the embedded guide cover is arranged at the opening of the end cover, so that the axial height of the fan is not increased, the effect of air flow guiding is achieved, the noise reduction function of the fan is provided, meanwhile, the problem that the axial height of the fan is increased due to the noise reduction structure, and further, the requirement on the assembly space is increased is avoided; in addition, the guide cover adopts a detachable assembly structure, so that the guide cover is convenient to maintain and replace, and the maintenance cost is reduced; and moreover, by arranging the retaining spring, the connection strength between the guide cover and the end cover is enhanced, and the problem that the guide cover falls off due to vibration is avoided.
Drawings
Fig. 1 is a schematic cross-sectional view of a blower in accordance with the present utility model.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1. It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang," and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
As shown in fig. 1, according to one general technical concept of the present utility model, a fan with a detachable noise reduction structure is provided, which comprises a casing 1, a stator 2, a rotor 3 and an impeller 4, wherein the stator 2 is fixedly arranged in the casing 1, the rotor 3 is rotatably arranged in the casing 1, the impeller 4 is arranged at one end of the casing 1 and fixedly connected with a rotating shaft of the rotor 3, an end cover 5 is arranged at one end of the casing 1, which is close to the impeller 4, the end cover 5 is covered on the periphery of the impeller 4, an opening is arranged at the top of the end cover 5, an inner ring of the opening is connected with a guide cover 6, and the inner ring of the guide cover 6 is provided with a horn-shaped guide flow passage which is inclined inwards by an angle of 15-45 degrees. The air guide sleeve 6 with the structure can guide air flow to smoothly enter the end cover 5, so that the problem of high noise of the traditional fan is solved
As shown in fig. 1, in an exemplary embodiment of the present utility model, the opening is constructed in a stepped hole structure and includes a large-diameter section and a small-diameter section, and a stepped surface formed between the large-diameter section and the small-diameter section; the inner ring of the large-diameter section is provided with a thread groove, the outer ring of the guide cover 6 is provided with a thread protrusion, and the thread groove and the thread protrusion are correspondingly matched. The threaded connection structure is used for realizing the detachable assembly between the guide cover 6 and the end cover 5, is convenient for later maintenance and replacement of the guide cover 6, and reduces maintenance cost.
As shown in fig. 1, in an exemplary embodiment of the present utility model, the air guide sleeve further comprises a retaining spring 7, wherein the outer diameter of the retaining spring 7 is matched with the inner diameter of the large-diameter section, and the retaining spring 7 is arranged on the step surface and is abutted by the air guide sleeve 6. In the assembled state, two ends of the retaining spring 7 respectively prop against the step surface and the inner end of the guide cover 6, which is equivalent to applying an axial force on the basis of threaded connection between the guide cover 6 and the end cover 5, so that the guide cover 6 is prevented from rotating and falling accidentally due to vibration.
In an exemplary embodiment of the utility model, as shown in fig. 1, the pod 6 is made of carbon fiber, and has increased structural strength while being lightweight.
As shown in fig. 1, in an exemplary embodiment of the present utility model, an end cap 5 is sleeved on one end of the casing 1 and fixed by bolts (not shown).
Therefore, the utility model has the following advantages:
According to the fan with the detachable noise reduction structure, the embedded guide cover is arranged at the opening of the end cover, so that the axial height of the fan is not increased, the effect of air flow guiding is achieved, the noise reduction function of the fan is provided, meanwhile, the problem that the axial height of the fan is increased due to the noise reduction structure, and further, the requirement on the assembly space is increased is avoided; in addition, the guide cover adopts a detachable assembly structure, so that the guide cover is convenient to maintain and replace, and the maintenance cost is reduced; and moreover, by arranging the retaining spring, the connection strength between the guide cover and the end cover is enhanced, and the problem that the guide cover falls off due to vibration is avoided.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (5)
1. The utility model provides a fan with can dismantle structure of making an uproar falls, includes casing, stator, rotor and impeller, the stator set firmly in the casing, the rotor is changeed and is located in the casing, the impeller locate the one end of casing and with the pivot fixed connection of rotor, its characterized in that: the shell is close to one end of the impeller and is provided with an end cover, the end cover is covered on the periphery of the impeller, the top of the end cover is provided with an opening, an inner ring of the opening is connected with a guide cover, and the inner ring of the guide cover is provided with a horn-shaped guide flow passage which is inclined inwards by 15-45 degrees.
2. A fan with removable noise reduction structure according to claim 1, wherein: the opening is formed into a stepped hole structure and comprises a large-diameter section, a small-diameter section and a stepped surface formed between the large-diameter section and the small-diameter section; the inner ring of the large-diameter section is provided with a threaded groove, the outer ring of the air guide sleeve is provided with a threaded protrusion, and the threaded groove is correspondingly matched with the threaded protrusion.
3. A fan with removable noise reduction structure according to claim 2, wherein: the anti-return device further comprises an anti-return spring, the outer diameter of the anti-return spring is matched with the inner diameter of the large-diameter section, and the anti-return spring is arranged on the step surface and is abutted by the guide cover.
4. A fan with removable noise reduction structure according to claim 1, wherein: the air guide sleeve is made of carbon fibers.
5. A fan with removable noise reduction structure according to claim 1, wherein: the end cover is sleeved at one end of the shell and fixed through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323201661.4U CN221033229U (en) | 2023-11-27 | 2023-11-27 | Fan with can dismantle structure of making an uproar falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323201661.4U CN221033229U (en) | 2023-11-27 | 2023-11-27 | Fan with can dismantle structure of making an uproar falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221033229U true CN221033229U (en) | 2024-05-28 |
Family
ID=91173073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323201661.4U Active CN221033229U (en) | 2023-11-27 | 2023-11-27 | Fan with can dismantle structure of making an uproar falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221033229U (en) |
-
2023
- 2023-11-27 CN CN202323201661.4U patent/CN221033229U/en active Active
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