CN219101717U - Brushless cooling fan assembly - Google Patents
Brushless cooling fan assembly Download PDFInfo
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- CN219101717U CN219101717U CN202223335777.2U CN202223335777U CN219101717U CN 219101717 U CN219101717 U CN 219101717U CN 202223335777 U CN202223335777 U CN 202223335777U CN 219101717 U CN219101717 U CN 219101717U
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Abstract
The utility model discloses a brushless cooling fan assembly, which belongs to the technical field of cooling fans, wherein an air outlet is formed in the surface of a fan shell, a protective cover is fixedly arranged on the inner wall of the air outlet, the protective cover comprises a baffle plate, a connecting plate and a central plate, the surface of the baffle plate is fixedly connected with the end surface of the connecting plate, one end of the connecting plate is fixedly connected with the surface of the central plate, the inner side of the central plate is rotationally connected with a fan rotating shaft through a bearing, a left jacket and a right jacket are clamped on the side surface of the fan shell, the protective cover arranged in the brushless cooling fan assembly can prevent fan blades from contacting and colliding with external objects, the use safety is improved, and the protective cover has the functions of absorbing sound and reducing noise through the arranged baffle plate and the connecting plate, and the left jacket and the right jacket can buffer and reduce vibration force generated by the fan operation, so that vibration force is transmitted through the fan shell to form vibration noise, and the noise reduction effect of the cooling fan assembly is greatly improved.
Description
Technical Field
The utility model relates to the technical field of cooling fans, in particular to a brushless cooling fan assembly.
Background
The utility model provides an electric fan is abbreviated as electric fan, also known as fan, fan, it is a household electrical apparatus that utilizes motor drive flabellum to rotate, reach the circulation of making the air accelerate, but current like the publication number CN217354822U discloses a low noise direct current brushless cooling fan assembly, wherein it has the shell to describe "one side of shell has the cover through the bolt rigid coupling, the inner chamber center of cover has the pivot through bearing rotation link to each other, the outer wall rigid coupling of pivot has a plurality of first flabellum, the inner chamber below of shell is equipped with rotary mechanism, rotary mechanism includes the fixing base, a motor, the body of rod, first sheave, belt and second sheave, the fixing base rigid coupling is in the inner chamber bottom one side of shell, the internally mounted of fixing base has the motor", wherein the air outlet that the shell set up does not set up protective structure, probably lead to first flabellum and external object contact to cause the damage, and the noise that fan internal work produced also can be spread through the air outlet, the vibration power that the fan internal work produced can transmit the shell, probably can form vibration noise, the noise that has greatly reduced cooling fan assembly.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide a brushless cooling fan assembly, and the protective cover arranged on the brushless cooling fan assembly not only can avoid the situation that fan blades are not in contact with and collide with external objects and improves the use safety, but also has the functions of sound absorption and noise reduction through the arranged baffle plate and the connecting plate, and the arranged left jacket and right jacket can buffer and reduce the vibration force generated by the operation of the fan, so that the vibration force is prevented from being transmitted through a fan shell to form vibration noise, and the noise reduction effect of the cooling fan assembly is greatly improved.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a brushless cooling fan assembly, includes the fan casing, the surface of fan casing is equipped with the air outlet, the inner wall fixed mounting of air outlet has the protection casing, the protection casing includes baffle, connecting plate and center plate, the terminal surface fixed connection of the surface of baffle and connecting plate, the fixed surface connection of one end of connecting plate and center plate, the inboard of center plate passes through the bearing and rotates with the fan pivot and be connected, the side joint of fan casing has left side to press from both sides cover and right to press from both sides cover, the surface that left side pressed from both sides cover and right press from both sides cover is equipped with left mounting hole and right mounting hole respectively, the side that left side pressed from both sides cover and right press from both sides the cover all is equipped with the draw-in groove, the inner wall fixed sleeve of draw-in groove has the shock pad, the inner wall of shock pad is connected with the surface contact of fan casing, and the protection casing that this brushless cooling fan assembly set up can avoid the flabellum can not collide with the external object contact, has improved the safety in utilization in addition, and the protection casing has the function of making an uproar through baffle and connecting plate that sets up to the left side to press from both sides cover and can cushion the vibration force that the fan work produces through the fan casing transmission noise, reduces the vibration force and reduces the effect that the fan and reduces the vibration assembly and make an uproar.
Further, the surfaces of the baffle and the connecting plate are respectively provided with a sound absorption hole, one end of each sound absorption hole is communicated with a sound absorption groove, the inner wall of each sound absorption groove is connected with a sound absorption pad in a contact manner, the sound absorption pad is made of sound absorption cotton materials, and the sound absorption pad has the functions of absorbing sound and reducing noise.
Further, the surfaces of the left clamping sleeve and the right clamping sleeve are fixedly connected with connecting lugs, the end faces of the connecting lugs are provided with bolt holes, connecting bolts are sleeved on the inner walls of the bolt holes, and the connecting lugs and the connecting bolts are convenient for the disassembly and the assembly of the left clamping sleeve and the right clamping sleeve.
Further, the cross section shape of double-layered groove and shock pad is the U-shaped, the shock pad adopts the extrusion-resistant shock attenuation rubber to make, has buffering cushioning effect.
Further, the baffle is annular in shape, and the diameters of the baffles are different.
Further, the connecting plates are distributed in an annular equidistant mode by taking the central plate as the center.
Compared with the prior art, the utility model has the advantages that:
(1) The protection casing that this scheme set up not only can avoid the flabellum can not collide with the contact of foreign object, has improved the safety in utilization, and the protection casing has the function of inhaling sound and making an uproar through baffle and the connecting plate that set up moreover.
(2) The left jacket and the right jacket arranged in the scheme can buffer and reduce vibration force generated by the operation of the fan, so that vibration noise is prevented from being formed by the transmission of the vibration force through the fan shell, and the noise reduction effect of the cooling fan assembly is greatly improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a side view of the left jacket structure of the present utility model;
fig. 3 is a cross-sectional view of a baffle plate of the present utility model.
The reference numerals in the figures illustrate:
1 fan shell, 11 air outlets, 2 protective covers, 21 baffle plates, 22 sound absorption grooves, 23 sound absorption holes, 24 sound absorption pads, 25 connecting plates, 26 central plates, 3 left jackets, 31 left mounting holes, 32 clamping grooves, 33 shock absorption pads, 4 right jackets, 41 right mounting holes, 42 connecting lugs and 43 connecting bolts.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-3, a brushless cooling fan assembly includes a fan housing 1, fan blades, a rotating shaft, a rotating mechanism, a heat dissipation mechanism, a motor, a transmission mechanism and other components are disposed in the fan housing 1, the combined structure and working principle of the assembly are all well known to those skilled in the art, an air outlet 11 is disposed on the surface of the fan housing 1, a protection cover 2 is fixedly mounted on the inner wall of the air outlet 11, the protection cover 2 has the function of protection and sound absorption, the protection cover 2 includes a baffle 21, a connecting plate 25 and a central plate 26, the surface of the baffle 21 is fixedly connected with the end surface of the connecting plate 25, one end of the connecting plate 25 is fixedly connected with the surface of the central plate 26, the inner side of the central plate 26 is rotatably connected with the fan rotating shaft through a bearing, a left jacket 3 and a right jacket 4 are clamped on the side surface of the fan housing 1, the left jacket 3 and the right jacket 4 can avoid vibration force generated by the fan operation from being directly connected with the connecting component when the fan assembly is connected, thereby the vibration force generated by the fan operation is transmitted to form vibration noise, a left mounting hole 31 and a right mounting hole 41 are respectively disposed on the surface of the left jacket 3 and the right jacket 4, side surfaces of the left jacket 3 and the right jacket 4 are respectively provided with a shock absorption pad 32, and the inner wall 32 is fixedly connected with the inner wall of the fan housing.
The surfaces of the baffle 21 and the connecting plates 25 are respectively provided with a sound absorption hole 23, one end of each sound absorption hole 23 is communicated with a sound absorption groove 22, the inner wall of each sound absorption groove 22 is in contact connection with a sound absorption pad 24, each sound absorption pad 24 is made of sound absorption cotton materials, each sound absorption pad 24 has the sound absorption and noise reduction functions, the shape of the baffle 21 is circular, the diameters of the baffles 21 are different, and the connecting plates 25 are distributed at equal intervals in a circular shape by taking the central plate 26 as the center.
In this embodiment, the protective cover 2 that sets up not only can avoid the flabellum can not collide with the contact of foreign object, has improved the safety in utilization, and protective cover 2 has the function of inhaling sound and making an uproar through baffle 21 and the connecting plate 25 that set up moreover.
Example 2
Referring to fig. 1-3, a brushless cooling fan assembly includes a fan housing 1, fan blades, a rotating shaft, a rotating mechanism, a heat dissipation mechanism, a motor, a transmission mechanism and other components are disposed in the fan housing 1, the combined structure and working principle of the assembly are all well known to those skilled in the art, an air outlet 11 is disposed on the surface of the fan housing 1, a protection cover 2 is fixedly mounted on the inner wall of the air outlet 11, the protection cover 2 has the function of protection and sound absorption, the protection cover 2 includes a baffle 21, a connecting plate 25 and a central plate 26, the surface of the baffle 21 is fixedly connected with the end surface of the connecting plate 25, one end of the connecting plate 25 is fixedly connected with the surface of the central plate 26, the inner side of the central plate 26 is rotatably connected with the fan rotating shaft through a bearing, a left jacket 3 and a right jacket 4 are clamped on the side surface of the fan housing 1, the left jacket 3 and the right jacket 4 can avoid vibration force generated by the fan operation from being directly connected with the connecting component when the fan assembly is connected, thereby the vibration force generated by the fan operation is transmitted to form vibration noise, a left mounting hole 31 and a right mounting hole 41 are respectively disposed on the surface of the left jacket 3 and the right jacket 4, side surfaces of the left jacket 3 and the right jacket 4 are respectively provided with a shock absorption pad 32, and the inner wall 32 is fixedly connected with the inner wall of the fan housing.
The surfaces of the left jacket 3 and the right jacket 4 are fixedly connected with connecting lugs 42, the end faces of the connecting lugs 42 are provided with bolt holes, connecting bolts 43 are sleeved on the inner walls of the bolt holes, the connecting lugs 42 and the connecting bolts 43 facilitate the disassembly and assembly of the left jacket 3 and the right jacket 4, the cross sections of the clamping grooves 32 and the shock pads 33 are U-shaped, and the shock pads 33 are made of extrusion-resistant shock-absorbing rubber and have the function of buffering and shock absorption.
In this embodiment, the left jacket 3 and the right jacket 4 can buffer and reduce the vibration force generated by the operation of the fan, so as to avoid the vibration noise formed by the transmission of the vibration force through the fan shell 1, and greatly improve the noise reduction effect of the cooling fan assembly.
When the brushless cooling fan assembly is used, when the wind blown out by the fan passes through the air outlet 11, the fan is silenced by the protective cover 2, vibration generated by the operation of the fan is buffered and reduced by the shock pad 33, the set protective cover 2 not only can avoid the fan blade from contacting and colliding with external objects, and the use safety is improved, but also has the function of absorbing sound and reducing noise through the set baffle 21 and the set connecting plate 25, and the set left jacket 3 and right jacket 4 can buffer and reduce vibration force generated by the operation of the fan, so that vibration force is prevented from being transmitted through the fan shell 1 to form vibration noise, and the noise reduction effect of the cooling fan assembly is greatly improved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. A brushless cooling fan assembly comprising a fan housing (1), characterized in that: the fan comprises a fan housing (1), wherein an air outlet (11) is formed in the surface of the fan housing (1), a protective cover (2) is fixedly arranged on the inner wall of the air outlet (11), the protective cover (2) comprises a baffle plate (21), a connecting plate (25) and a central plate (26), the surface of the baffle plate (21) is fixedly connected with the end face of the connecting plate (25), one end of the connecting plate (25) is fixedly connected with the surface of the central plate (26), the inner side of the central plate (26) is rotatably connected with a fan rotating shaft through a bearing, a left jacket (3) and a right jacket (4) are clamped on the side face of the fan housing (1), a left mounting hole (31) and a right mounting hole (41) are formed in the surfaces of the left jacket (3) and the right jacket (4) respectively, a clamping groove (32) is formed in the side face of the left jacket (3), a shock pad (33) is fixedly sleeved on the inner wall of the clamping groove (32), and the inner wall of the shock pad (33) is in contact connection with the surface of the fan housing (1).
2. A brushless cooling fan assembly according to claim 1, wherein: the surface of baffle (21) and connecting plate (25) all is equipped with inhales sound hole (23), the one end intercommunication of inhaling sound hole (23) has inhales sound groove (22), the inner wall contact of inhaling sound groove (22) is connected with inhales sound pad (24), inhale sound pad (24) and adopt to inhale sound cotton material and make.
3. A brushless cooling fan assembly according to claim 1, wherein: the surface that left side presss from both sides cover (3) and right side presss from both sides cover (4) is fixedly connected with engaging lug (42), the terminal surface of engaging lug (42) is equipped with the bolt hole, and the inner wall of bolt hole has cup jointed connecting bolt (43).
4. A brushless cooling fan assembly according to claim 1, wherein: the cross section shape of the clamping groove (32) and the shock pad (33) is U-shaped, and the shock pad (33) is made of extrusion-resistant shock-absorbing rubber.
5. A brushless cooling fan assembly according to claim 1, wherein: the shape of each baffle plate (21) is annular, and the diameters of the baffle plates (21) are different.
6. A brushless cooling fan assembly according to claim 1, wherein: the connecting plates (25) are distributed in an annular equidistant manner by taking the central plate (26) as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335777.2U CN219101717U (en) | 2022-12-12 | 2022-12-12 | Brushless cooling fan assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223335777.2U CN219101717U (en) | 2022-12-12 | 2022-12-12 | Brushless cooling fan assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219101717U true CN219101717U (en) | 2023-05-30 |
Family
ID=86462770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223335777.2U Active CN219101717U (en) | 2022-12-12 | 2022-12-12 | Brushless cooling fan assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219101717U (en) |
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2022
- 2022-12-12 CN CN202223335777.2U patent/CN219101717U/en active Active
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