CN213144808U

CN213144808U - Low-noise cooling fan

Info

Publication number: CN213144808U
Application number: CN202021562562.2U
Authority: CN
Inventors: 邓道杨
Original assignee: Shenzhen Yu Chuang Industrial Co ltd
Current assignee: Shenzhen Yu Chuang Industrial Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-05-07
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a low noise radiator fan, including the underframe, fan and last frame, a serial communication port, the underframe is square structure with last frame, the bottom of underframe evenly is provided with the three arc through-hole that is cyclic annular range, be provided with the sleeve that runs through the underframe bottom in the middle of the arc through-hole, sleeve salient is inside the underframe, its periphery is provided with ring groove, the last fixture block that is equipped with of ring groove, be provided with rather than integrative solid fixed ring on the fixture block, gu fixed ring cover establishes on the fixture block, gu the fixed ring periphery is provided with the voice coil loudspeaker voice coil that disappears, underframe four corners department is provided with the breach, be provided with the amortization cotton. The utility model discloses its simple structure, simple to operate, the security performance is high, is provided with the amortization cotton in lower frame four corners department, and the cover is established the voice coil loudspeaker voice coil that disappears on solid fixed ring between its fan and the fixture block, when providing safe efficient radiating, also plays noise reduction's effect.

Description

Low-noise cooling fan

Technical Field

The utility model relates to a radiator fan field particularly, relates to a low noise radiator fan.

Background

In the using process of the computer, if the heat inside the computer case is not timely evacuated, the computer works at high temperature for a long time, the computer is slightly halted, the system is crashed and the power is suddenly cut off, the aging and scrapping speed of the computer is accelerated, and even hardware is burnt, so that the computer generates less heat as possible or conducts the generated heat out in time, and the important problem that the computer is not neglected is solved. With the continuous progress of server technology, the integrated circuits of the computer server are more and more dense, and the high internal power consumption components are increased. The average heat dissipation capacity also rises sharply, so that the server is required to have better heat dissipation performance, heat needs to be timely discharged through a heat dissipation fan, noise generated when the server works can cause noise pollution, and particularly, the strong noise environment causes serious harm to physical and psychological health of maintenance personnel working around a machine room for a long time.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low noise radiator fan to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low noise radiator fan, includes underframe, fan and last frame, the underframe with it is square structure to go up the frame, the bottom of underframe evenly is provided with the three arc through-hole that is cyclic annular range, be provided with the sleeve that runs through the underframe bottom in the middle of the arc through-hole, the sleeve salient in inside the underframe, its periphery is provided with ring groove, the last fixture block that is equipped with of ring groove, be provided with rather than integrative solid fixed ring on the fixture block, gu fixed ring cover is established on the fixture block, gu the fixed ring periphery is provided with the voice coil loudspeaker voice coil that disappears, the underframe four corners department is provided with the breach, be provided with the amortization cotton in the breach.

Further, the notch is communicated with the inside of the lower frame.

Furthermore, the mounting post of fan runs through with the motor output shaft in the sleeve with the solid fixed ring is connected.

Furthermore, the number of the heat dissipation holes is three, and the heat dissipation holes are of arc-shaped structures.

Further, the lower frame is clamped with the upper frame.

Furthermore, the silencing ring is sleeved between the fan and the clamping block.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a pair of low noise radiator fan, its simple structure, simple to operate, the security performance is high, is provided with the amortization cotton in lower frame four corners department, and the voice coil loudspeaker voice coil that disappears on solid fixed ring is established to the cover between its fan and the fixture block, when providing safe efficient radiating, also plays noise reduction's effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a lower frame of a low-noise heat dissipation fan according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a ring-shaped slot of a low-noise heat dissipation fan according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a low-noise heat dissipation fan fixture block according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a voice coil of a low noise heat dissipation fan according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an upper frame of a low-noise heat dissipation fan according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a low-noise heat-dissipating fan according to an embodiment of the present invention.

Reference numerals:

1. a lower frame; 2. a fan; 3. an upper frame; 4. an arc-shaped through hole; 5. a sleeve; 6. silencing cotton; 7. An annular neck; 8. a clamping block; 9. a fixing ring; 10. eliminating voice coils; 11. heat dissipation holes; 12. and (4) a notch.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1-6, according to the embodiment of the present invention, a low noise heat dissipation fan includes a lower frame 1, a fan 2 and an upper frame 3, wherein the lower frame 1 and the upper frame 3 are both of a square structure, the bottom of the lower frame 1 is uniformly provided with three arc through holes 4 arranged in an annular shape, a sleeve 5 penetrating the bottom of the lower frame 1 is arranged in the middle of the arc through hole 4, the sleeve 5 protrudes inside the lower frame 1, the periphery of the sleeve is provided with an annular clamping groove 7, the annular clamping groove 7 is provided with a clamping block 8, the clamping block 8 is provided with a fixing ring 9 integrated with the clamping block 8, the fixing ring 9 is sleeved on the clamping block 8, the periphery of the fixing ring 9 is provided with a voice coil 10, the four corners of the lower frame 1 are.

Through the above technical scheme of the utility model, breach 12 communicates with each other with underframe 1 is inside.

Through the above technical scheme of the utility model, fan 2's erection column runs through in sleeve 5 and solid fixed ring 9 with the motor output shaft and is connected.

Through the above technical scheme of the utility model, louvre 11 evenly is provided with threely, and louvre 11 is the arc structure.

Through the above technical scheme of the utility model,

underframe

1 and 3 joints of upper ledge.

Through the above technical scheme of the utility model, amortization circle 10 covers is established between fan 2 and fixture block 8.

When specifically using, during the use, pass the sleeve 5 that the underframe 1 bottom set up with the motor output shaft, its fan 2's erection column runs through in sleeve 5 and solid fixed ring 9 with the motor output shaft and is connected, will go up frame 1 joint on underframe 3 after a left side, its simple structure, simple to operate, the security performance is high, be provided with amortization cotton 6 in underframe 3 four corners department, establish the voice coil loudspeaker voice coil 10 that disappears on solid fixed ring 9 between its fan 2 and the fixture block 8, when providing safe efficient radiating, also play the effect of noise reduction.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A low-noise heat dissipation fan comprises a lower frame (1), a fan (2) and an upper frame (3), and is characterized in that the lower frame (1) and the upper frame (3) are both of a square structure, three arc-shaped through holes (4) which are annularly arranged are uniformly formed in the bottom of the lower frame (1), a sleeve (5) penetrating through the bottom of the lower frame (1) is arranged in the middle of each arc-shaped through hole (4), the sleeve (5) protrudes out of the inner portion of the lower frame (1), an annular clamping groove (7) is formed in the periphery of the sleeve, a clamping block (8) is arranged on each annular clamping groove (7), a fixing ring (9) integrated with the clamping block (8) is arranged on each clamping block (8), a voice coil (10) is arranged on the periphery of each fixing ring (9), notches (12) are formed in four corners of the lower frame (1), the sound-absorbing cotton (6) is arranged in the notch (12), and the heat-radiating holes (11) are formed in the upper frame (3).

2. A low-noise heat-dissipating fan as claimed in claim 1, wherein the notch (12) communicates with the inside of the lower frame (1).

3. A low noise heat dissipating fan according to claim 1, wherein the mounting post of the fan (2) and the output shaft of the motor are connected to the sleeve (5) and the fixing ring (9).

4. The heat dissipation fan with low noise as claimed in claim 1, wherein there are three heat dissipation holes (11), and the heat dissipation holes (11) have an arc structure.

5. A low noise heat dissipating fan according to claim 1, wherein the lower frame (1) is engaged with the upper frame (3).

6. A heat dissipating fan with low noise as claimed in claim 1, wherein the voice eliminating coil (10) is fitted between the fan (2) and the block (8).