Silent fan

Through the design of the support base, flexible pad and elastic parts, the problem of fan noise generated by vibration is solved, the silent effect is improved and the life of the elastic parts is extended.

CN223459569UActive Publication Date: 2025-10-21DONGGUAN SAIJI ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422864229.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-22
Publication Date
2025-10-21
Estimated Expiration
2034-11-22

AI Technical Summary

Technical Problem

During long-term use, traditional fans may vibrate and loosen their screws, causing noise and poor noise reduction.

Method used

The support base is connected to the flexible pad, and the elastic part is connected to the chassis. The spring clip provides elastic force to push the fan away from the chassis, reducing collision noise, and the limit plate improves the installation accuracy and the support plate limit space to limit the service life of the elastic part.

Benefits of technology

Effectively reduce the collision noise between the fan and the chassis during vibration, improve the quiet effect, extend the life of elastic parts, and improve installation accuracy and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fans, in particular to a silent fan which comprises a fan body, a supporting seat, a flexible pad, an elastic piece and a connecting piece, the fan body is attached to the supporting seat, the supporting seat is connected with the flexible pad, the flexible pad is in contact with a case, the elastic piece comprises a switching part, an extending part and an elastic piece, the switching part is connected with the extending part, and the elastic piece is connected with the supporting seat. The extension part is connected with the elastic piece, the elastic piece abuts against the case and provides elastic force for the adapting part to be attached to the supporting base in the first direction, and the connecting piece sequentially penetrates through the fan body, the supporting base and the elastic piece in the second direction to be connected with the case. According to the silent fan disclosed by the utility model, when the connecting piece is loosened, the supporting seat and the fan body are pushed to be far away from the case by elastic force provided by the elastic sheet and are kept in an abutting state with the connecting piece, so that collision between the silent fan and the case in the vibration process is effectively reduced, and noise generated by the silent fan and the case is avoided; the purpose of improving the mute effect of the fan is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fan technical field, especially a kind of mute fan. BACKGROUND

[0002] In order to reduce the temperature inside the computer host maintains the normal operation of electronic components in the case, will install air inlet fan and exhaust fan in the case, through the air inlet fan and the exhaust fan that inhale ambient air, make the case form good air convection passage, let cold air enter from air inlet, pass through heat component and take away heat, thereby effectively reduce the overall temperature inside the case, ensure the stable operation of computer hardware, in traditional technology, whether it is air inlet fan or exhaust fan in the process of long time use, will cause the screw of fan installation to be loose due to the vibration of fan, thereby causing the gap between fan and case, so that fan and case produce collision and produce noise in the process of vibration, there is the technical problem that the mute effect of fan is not good. SUMMARY

[0003] A kind of mute fan, install in the case, the mute fan include: fan body, support seat, flexible pad, elastic piece and connecting piece, the fan body is attached to the support seat, the support seat is connected with the flexible pad, the flexible pad is in contact with the case, the elastic piece includes adapter, extension and elastic sheet, the adapter is connected with the extension, the extension is connected with the elastic sheet, the elastic sheet is in contact with the case, and provide the elastic force that the adapter is attached to the support seat along the first direction, the connecting piece is sequentially arranged in the fan body, the support seat and the elastic piece along the second direction and is connected with the case, wherein, the first direction and the second direction are arranged towards each other.

[0004] In one embodiment, the elastic piece further includes a limiting sheet, the limiting sheet is connected with the adapter, and is in contact with the side wall of the support seat.

[0005] In one embodiment, the number of limiting sheets is two, and the two limiting sheets are arranged on the adjacent sides of the adapter.

[0006] In one embodiment, the adapter is provided with a first via hole, the elastic sheet is provided with a second via hole corresponding to the position of the first via hole, and the connecting piece is sequentially arranged in the first via hole and the second via hole and connected with the case, wherein the second via hole is movably arranged in the connecting piece.

[0007] In one of the embodiments, the support base comprises a support plate and a limiting ring, one side of the support plate is in contact with the fan body, the other side of the support plate is in contact with the adapter of the elastic piece, the limiting ring is connected with the side of the support plate away from the fan body and connected with the flexible pad, the support plate and the limiting ring enclose a limiting space for the elastic piece to be installed with the case.

[0008] In one of the embodiments, the flexible pad covers the end of the limiting ring close to the case.

[0009] In one of the embodiments, the flexible pad comprises an inner edge, a contact edge and an outer edge, the inner edge is connected with the contact edge, the contact edge is arranged at the end of the limiting ring close to the case and connected with the outer edge.

[0010] In one of the embodiments, the outer edge is in abutment with the elastic piece.

[0011] In one of the embodiments, the end of the inner edge close to the fan body has a flow guide surface, the flow guide surface is arranged obliquely to the inner wall of the limiting ring.

[0012] In one of the embodiments, the number of the elastic pieces is four, and the four elastic pieces are respectively installed at the corners of the fan body.

[0013] The silent fan provided by the application has the following advantages:

[0014] 1. The connecting piece is sequentially arranged through the fan body, the support base and the elastic piece along the second direction and connected with the case, the elastic sheet provides the elastic force along the first direction for the support base to be attached, when the connecting piece is loose, the elastic force provided by the elastic sheet pushes the support base and the fan body away from the case and keeps abutment with the connecting piece, thereby effectively reducing the collision between the silent fan and the case during the vibration, avoiding the noise generated by the silent fan and the case, and achieving the purpose of improving the silent effect of the fan.

[0015] 2. The support base is connected with the flexible pad, and the flexible pad is in contact with the case, thereby avoiding the collision between the support base and the case through the flexible pad, effectively reducing the noise generated by the collision between the support base and the case, and achieving the purpose of improving the silent effect of the silent fan.

[0016] 3. The limiting sheet is connected with the adapter and in contact with the side wall of the support base, thereby positioning the adapter through the contact between the limiting sheet and the side wall of the support base, and achieving the purpose of improving the installation precision of the adapter.

[0017] 4、Adopt the mode that the support plate and the limit ring and the case enclose the limit space for the elastic piece installation, it is favorable to through the limit space that the support plate and the limit ring and the case enclose, it is favorable to through the height of limit ring and limit the distance between support plate and case, thereby effectively avoid the damage of elastic piece due to excessive extrusion of elastic piece, reach the purpose of improving the service life of elastic piece;

[0018] 5、Adopt the mode that the outer edge and the elastic piece resist, it is favorable to through the elastic piece and resist the outer edge, it is favorable to increase the friction between the outer edge and the limit ring, thereby reach the purpose of improving the stable of flexible pad and limit ring. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure diagram of the mute fan shown in the utility model;

[0020] Figure 2 It is the structure diagram of the mute fan shown in the utility model; Figure 1

[0021] Figure 3 It is the structure diagram of the mute fan shown in the utility model; Figure 2

[0022] Figure 4 It is the structure diagram of the mute fan shown in the utility model; Figure 1

[0023] Meaning of the reference numeral in the drawing is as follows:

[0024] 100, mute fan;

[0025] 10, fan body;

[0026] 20, support seat;21, support plate;22, limit ring;23, limit space;

[0027] 30, flexible pad;31, inner edge;311, flow guide surface;32, contact edge;33, outer edge;

[0028] 40, elastic piece;41, adapter;411, first via hole;42, extension;43, elastic sheet;431, second via hole;44, limit sheet;

[0029] 50, connecting piece. DETAILED DESCRIPTION

[0030] ​​​In order to make the above object, characteristics and advantages of the present application more apparent, concrete embodiments of the present application will be described in detail with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be practiced in a number of different manners without departing from the spirit of the present application. Those skilled in the art will appreciate the scope of the present application and can make similar modifications without departing from the spirit of the present application. Therefore, the present application is not limited by the embodiments disclosed below.

[0031] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0032] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0033] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0035] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment.

[0036] As shown in Figure 1 , it is a mute fan 100 shown in the utility model, installed in the case, used for reducing the overall temperature inside the case, guaranteeing the stable operation of computer hardware.

[0037] As shown in Figures 1 to 2 , the mute fan 100 comprises: a fan body 10, a support seat 20, a flexible pad 30, an elastic element 40 and a connecting piece 50, wherein the fan body 10 is used to guide air circulation, the support seat 20 is connected with the fan body 10, the flexible pad 30 is arranged between the support seat 20 and the case, used to reduce the noise generated when the support seat 20 and the case collide, the elastic element 40 is arranged between the support seat 20 and the case, used to provide the elastic force of the support seat 20 away from the case along the connecting piece 50, the connecting piece 50 is used to sequentially pass through the fan body 10, the support seat 20 and the elastic element 40 and connect with the case, so as to realize the connection of the mute fan 100 and the case, when the connecting piece 50 is loose, the elastic force provided by the elastic sheet 43 pushes the support seat 20 and the fan body 10 away from the case, and keeps the abutting state with the connecting piece 50, thereby effectively reducing the collision between the mute fan 100 and the case in the process of vibration, thereby avoiding the noise generated by the mute fan 100 and the case, and achieving the purpose of improving the mute effect of the fan.

[0038] In the following, the mute fan 100 described above is further described. Figures 1 to 4

[0039] As shown in Figures 1 to 3 ​As shown, the fan body 10 is attached to the support base 20, the support base 20 is connected to the flexible pad 30, and the flexible pad 30 is in contact with the case, wherein the support base 20 comprises a support plate 21 and a limiting ring 22, one side of the support plate 21 is in contact with the fan body 10, the other side of the support plate 21 is in contact with the adapter part 41 of the elastic member 40, the limiting ring 22 is connected to the side of the support plate 21 away from the fan body 10 and connected to the flexible pad 30, the support plate 21 and the limiting ring 22 form a limiting space 23 for installing the elastic member 40 with the case, and the limiting space 23 formed by the support plate 21 and the limiting ring 22 with the case is beneficial to limiting the distance between the support plate 21 and the case through the height of the limiting ring 22, thereby effectively avoiding the damage of the elastic member 40 caused by excessive extrusion of the elastic member 40, and achieving the purpose of prolonging the service life of the elastic member 40.

[0040] In order to further improve the noise reduction effect of the noise reduction fan 100, as shown in Figures 2 to 3 The flexible pad 30 covers one end of the limiting ring 22 close to the case, and the flexible pad 30 covering the limiting ring 22 is beneficial to reducing the noise generated when the limiting ring 22 collides with the case, thereby achieving the purpose of improving the noise reduction effect of the noise reduction fan 100.

[0041] Specifically, as shown in Figure 3 The flexible pad 30 comprises an inner edge 31, a contact edge 32 and an outer edge 33, the inner edge 31 is connected to the contact edge 32, the contact edge 32 is arranged at one end of the limiting ring 22 close to the case and connected to the outer edge 33, wherein the outer edge 33 abuts against the elastic member 40, and the outer edge 33 abutting against the elastic member 40 is beneficial to increasing the friction between the outer edge 33 and the limiting ring 22, thereby achieving the purpose of improving the stable fit of the flexible pad 30 and the limiting ring 22.

[0042] In order to improve the gas guiding effect, as shown in Figure 3 One end of the inner edge 31 close to the fan body 10 has a flow guide surface 311, and the flow guide surface 311 is arranged inclined to the inner wall of the limiting ring 22, and the flow guide surface 311 is beneficial to guiding the air flow to the fan body 10, thereby achieving the purpose of improving the gas guiding effect.

[0043] As shown in Figures 3 to 4As shown, the elastic piece 40 includes the adapter 41, the extension 42 and the elastic sheet 43, the adapter 41 is connected with the extension 42, the extension 42 is connected with the elastic sheet 43, the elastic sheet 43 is in contact with the case, and the adapter 41 is provided with elastic force along the first direction F1 and the support base 20, the connecting piece 50 is sequentially arranged in the fan body 10, the support base 20 and the elastic piece 40 and connected with the case along the second direction, wherein the connecting piece 50 is a bolt, the number of the elastic piece 40 is four, the four elastic pieces 40 are respectively arranged at the corners of the fan body 10, the first direction F1 is arranged opposite to the second direction, the elastic force along the first direction F1 is provided by the elastic sheet 43 to push the support base 20 and the fan body 10 away from the case, so that the fan body 10 and the connecting piece 50 are kept in contact, thereby effectively reducing the collision between the silent fan 100 and the case in the vibration process, avoiding the noise generated by the silent fan 100 and the case, and achieving the purpose of improving the silent effect of the fan.

[0044] In order to improve the installation accuracy of the adapter 41, as shown, Figure 4 The elastic piece 40 further includes a limiting sheet 44, the limiting sheet 44 is connected with the adapter 41 and in contact with the side wall of the support base 20, the limiting sheet 44 is used for positioning the adapter 41 by being in contact with the side wall of the support base 20, thereby achieving the purpose of improving the installation accuracy of the adapter 41.

[0045] In order to improve the installation efficiency of the adapter 41, further, the number of the limiting sheet 44 is two, the two limiting sheets 44 are arranged on the adjacent sides of the adapter 41, the two adjacent limiting sheets 44 are used for quickly positioning the adapter 41, thereby achieving the purpose of improving the installation efficiency of the adapter 41.

[0046] In order to limit the direction of the elastic force provided by the elastic sheet 43, as shown, Figure 4 The adapter 41 is provided with a first through hole 411, the elastic sheet 43 is provided with a second through hole 431 corresponding to the position of the first through hole 411, and the connecting piece 50 is sequentially arranged in the first through hole 411 and the second through hole 431 and connected with the case, wherein the second through hole 431 is used for movably arranging the connecting piece 50, the second through hole 431 corresponding to the position of the first through hole 411 is arranged on the elastic sheet 43, thereby facilitating the connecting piece 50 to sequentially arrange in the first through hole 411 and the second through hole 431 and connect with the case, thereby limiting the activity range of the elastic sheet 43 through the connecting piece 50, and achieving the purpose of limiting the direction of the elastic force provided by the elastic sheet 43.

[0047] The mute fan 100 provided by the application is used in the following way: the fan body 10 is connected with the power supply and guides air circulation; when the connecting piece 50 is loose, the elastic piece 43 of the elastic piece 40 provides elastic force in the first direction F1, pushes the support base 20 and the fan body 10 away from the case, makes the fan body 10 and the connecting piece 50 keep the abutting state, reduces the collision between the fan body 10 and the case in the vibration process, effectively reduces the noise, and achieves the purpose of improving the mute effect of the fan.

[0048] The technical features of the above-described embodiments can be combined in any manner, and for the sake of brevity, not all possible combinations of the technical features in the above-described embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered within the scope of the present disclosure.

[0049] The above-described embodiments only express several implementation manners of the present application, the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A silent fan installed in a case, characterized by, The mute fan comprises a fan body, a supporting seat, a flexible pad, an elastic piece and a connecting piece, the fan body is attached to the supporting seat, the supporting seat is connected to the flexible pad, the flexible pad is in contact with the case, the elastic piece comprises an adapter, an extension and a spring piece, the adapter is connected to the extension, the extension is connected to the spring piece, the spring piece is in abutment with the case and provides elastic force for the adapter to be attached to the supporting seat in a first direction, the connecting piece is connected to the case in a second direction by sequentially penetrating the fan body, the supporting seat and the elastic piece, wherein the first direction and the second direction are oppositely arranged.

2. The silent fan of claim 1, wherein, The elastic piece further comprises a limiting piece, the limiting piece is connected to the adapter and in contact with the side wall of the supporting seat.

3. The silent fan of claim 2, wherein, The number of the limiting pieces is two, and the two limiting pieces are arranged on the adjacent sides of the adapter.

4. The silent fan of claim 1, wherein, The adapter is provided with a first via hole, the spring piece is provided with a second via hole corresponding to the position of the first via hole, and the connecting piece is connected to the case by sequentially penetrating the first via hole and the second via hole, wherein the second via hole is provided for the connecting piece to be movably penetrated.

5. The silent fan of claim 1, wherein, The supporting seat comprises a supporting plate and a limiting ring, one side of the supporting plate is in contact with the fan body, the other side of the supporting plate is in contact with the adapter of the elastic piece, the limiting ring is connected to the side of the supporting plate away from the fan body and connected to the flexible pad, and the supporting plate and the limiting ring enclose a limiting space for the elastic piece to be installed with the case.

6. The silent fan of claim 5, wherein, The flexible pad covers one end of the limiting ring close to the case.

7. The silent fan of claim 6, wherein, The flexible pad comprises an inner edge, a contact edge and an outer edge, the inner edge is connected to the contact edge, the contact edge is arranged at one end of the limiting ring close to the case and connected to the outer edge.

8. The silent fan of claim 7, wherein, The outer edge is in abutment with the elastic piece.

9. The silent fan of claim 7, wherein, One end of the inner edge close to the fan body is provided with a flow guide surface, and the flow guide surface is inclinedly arranged towards the inner wall of the limiting ring.

10. The silent fan of claim 1, wherein, The number of the elastic pieces is four, and the four elastic pieces are respectively installed at the corners of the fan body.