CN213981274U - Large-traffic low noise brushless electronic fan - Google Patents
Large-traffic low noise brushless electronic fan Download PDFInfo
- Publication number
- CN213981274U CN213981274U CN202022795761.4U CN202022795761U CN213981274U CN 213981274 U CN213981274 U CN 213981274U CN 202022795761 U CN202022795761 U CN 202022795761U CN 213981274 U CN213981274 U CN 213981274U
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- Prior art keywords
- wall
- ring shell
- electronic fan
- brushless electronic
- rotating shaft
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 241000883990 Flabellum Species 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 208000032826 Ring chromosome 3 syndrome Diseases 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009351 contact transmission Effects 0.000 description 1
- 239000003433 contraceptive agent Substances 0.000 description 1
- 230000002254 contraceptive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model discloses a large-flow low-noise brushless electronic fan, which comprises an upper ring shell, a lower ring shell, a support rod and fan blades, wherein the lower ring shell is fixedly connected with the bottom outer wall of the upper ring shell in a circle, the fixed convex ring is fixedly connected with the top outer wall of the upper ring shell in a circle, the support rod is uniformly arranged on the inner wall of the upper ring shell, a driving motor is fixedly connected with the middle end of the support rod, the bottom of the driving motor is connected with a blade rotating shaft by the transmission of the inner wall of the lower ring shell, the outer wall of the blade rotating shaft is uniformly provided with the fan blades, the top end of the fan blades is fixedly connected with a rotating bearing, a rotating groove is formed in a circle on the inner wall of the lower ring shell, the lower ring shell is connected with the rotating bearing through the rotating groove in a sliding way, and relates to the technical field of the brushless electronic fan, the large-flow low-noise brushless electronic fan reduces the noise emitted by the contact of airflow and the self structure vibration when the brushless electronic fan runs, the real-time airflow flow during the operation of the brushless electronic fan is improved through the cooperation of multiple structures, so that the heat dissipation requirement is met.
Description
Technical Field
The utility model relates to a brushless electronic fan technical field specifically is a large-traffic low noise brushless electronic fan.
Background
The fan refers to a device for accelerating air circulation by using a motor to drive blades to rotate, and is widely used due to excellent heat dissipation performance and air exchange circulation performance, and an electronic fan is also a fan.
Conventional brushless electronic fans exist: 1. self noise of high-speed rotation during operation and contact collision between large-flow gas and structures during passing, so noise is generated during operation, and the problem of overlarge operation noise exists. 2. When electronic fan dispels the heat with corollary equipment, when equipment was overheated, the gaseous through existence of flow that the fan brought was not enough, can't satisfy the problem of heat dissipation demand.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a large-traffic low noise brushless electronic fan has reduced the noise that gives off when brushless electronic fan moves, and the real-time airflow flow when having promoted brushless electronic fan moves is through satisfying the heat dissipation demand.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a large-traffic low noise brushless electronic fan, includes ring casing, lower ring casing, bracing piece, flabellum, ring casing bottom outer wall a week fixed connection ring casing down, the fixed bulge loop of ring casing top outer wall a week fixed connection, the ring casing inner wall of fitting with a contraceptive ring evenly is equipped with the bracing piece, bracing piece middle-end fixed connection driving motor, the driving motor bottom is connected the antithetical couplet leaf pivot by the transmission of ring casing inner wall down, antithetical couplet leaf pivot outer wall evenly is equipped with the flabellum, flabellum top fixedly connected with rolling bearing, ring casing inner wall a week is equipped with the rotation groove down, the ring casing passes through rotation groove sliding connection rolling bearing down.
Preferably, the outer wall of the blade connecting rotating shaft is uniformly provided with heat dissipation holes, the heat dissipation holes are located at the position, close to the middle end, of the bottom of the blade connecting rotating shaft, and the heat dissipation holes are distributed in parallel and symmetrically.
Preferably, the outer wall of the bottom of the blade rotating shaft is uniformly provided with air passing holes in a circle, and the air passing holes are fixedly connected with the heat dissipation holes through the inner wall of the blade rotating shaft.
Preferably, the circumference of the outer wall of the top end of the fixed convex ring is fixedly connected with mounting blocks in sequence, and the mounting blocks are distributed in parallel and symmetrically.
Preferably, the inner wall of the middle end of the mounting block is provided with a screw hole, and the mounting block is connected with a connecting bolt through a screw hole thread.
Preferably, a sound insulation pad is fixedly connected to the outer wall of the lower ring shell in a circle, and air passing grooves are uniformly formed in the inner wall of the supporting rod.
(III) advantageous effects
The utility model provides a large-traffic low noise brushless electronic fan. The method has the following beneficial effects:
(1) this kind of large-traffic low noise brushless electronic fan, through being equipped with the bracing piece, give sound insulation and fill up, the rotation groove, evenly be equipped with the wind groove through the bracing piece, the flabellum rotates when driving the air current and flow, can reduce the regional separation to the flow of support frame, can reduce the air current through the noise through reducing the area of blockking, and the design that reaches nine flabellums as many as can reduce brings the noise that the air current flows and interrupt and bring because of the flabellum clearance, through rotation groove and rolling bearing's support, can continuously support the flabellum when the flabellum is rotatory, prevent to rock the noise that causes, give sound insulation and fill up and place the propagation that can be by outside separation noise through outside parcel, because relevant structure spare part mutually supports the function, so the noise that gives.
(2) The large-flow low-noise brushless electronic fan is provided with the support rods, the fan blades and the rotating grooves, the passing area of airflow can be enhanced by reducing the number of the support rods, only the three-end symmetrical support rods are arranged, the stability can be kept, the vibration can be reduced, the passing area of the flow can be increased by the uniformly arranged air passing grooves, the real-time flow passing performance can be improved by increasing the passing area of the flow, the contact area of the plurality of fan blades with air is increased when the plurality of fan blades rotate, the real-time flow passing performance can also be improved by increasing the contact area through the plurality of fan blades, the vibration of the rotation of the fan blades can be reduced by matching the plurality of rotating bearings and the rotating grooves, the rotation stability and the continuous high-speed driving performance can be improved by reducing the vibration of the fan blades, and the real-time passing performance of the flow can be improved by the rotation stability and the continuous high-speed driving performance, because relevant structural components cooperate with each other, real-time airflow flow when the brushless electronic fan operates is improved to meet the heat dissipation requirement.
Drawings
Fig. 1 is a bottom view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a front view, partially in section, of the present invention;
fig. 4 is a front view of the overall structure of the present invention.
In the figure: the device comprises an upper ring shell-1, a lower ring shell-2, a fixed convex ring-3, a mounting block-4, a screw hole-5, a connecting bolt-6, a driving motor-7, a connecting blade rotating shaft-8, a sound insulation pad-9, a supporting rod-10, an air passing groove-11, fan blades-12, a heat dissipation hole-13, an air passing hole-14, a rotating bearing-15 and a rotating groove-16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, an embodiment of the present invention provides a technical solution: a large-flow low-noise brushless electronic fan comprises an upper ring shell 1, a lower ring shell 2, supporting rods 10 and fan blades 12, wherein the lower ring shell 2 is fixedly connected with the outer wall of the bottom of the upper ring shell 1 in a circle, a driving motor 7 and a blade connecting rotating shaft 8 can be divided into two parts in a region to wrap and improve the noise blocking capacity, the fixed convex ring 3 is fixedly connected with the outer wall of the top of the upper ring shell 1 in a circle, the integral stability of the fan can be kept after installation through top support, the supporting rods 10 are uniformly arranged on the inner wall of the upper ring shell 1, the supporting rods 10 with three symmetrical edges can not only keep the supporting stability but also reduce the airflow blocking area, the driving motor 7 is fixedly connected with the middle end of the supporting rods 10, the blade connecting rotating shaft 8 is connected with the inner wall of the lower ring shell 2 in a transmission manner at the bottom of the driving motor 7, the operation safety and stability can be kept through the full wrapping of the upper region and the lower region in a transmission manner, and the fan blades 12 are uniformly arranged on the outer wall of the blade connecting rotating shaft 8, a plurality of flabellum 12 can promote the heat dissipation flow drive nature, flabellum 12 top fixedly connected with rolling bearing 15, 2 inner walls a week of inferior ring shell is equipped with rotation groove 16, inferior ring shell 2 is through rotating groove 16 sliding connection rolling bearing 15, and the steady rotation that can support a plurality of flabellums 12 through rolling bearing 15 and the cooperation transmission of rotation groove 16.
The outer wall of the blade connecting rotating shaft 8 is uniformly provided with heat dissipation holes 13, the heat dissipation holes 13 are located at the bottom of the blade connecting rotating shaft 8 and close to the middle end, the heat dissipation holes 13 are distributed in parallel and symmetrically, and the heat dissipation holes 13 arranged at multiple positions can continuously and effectively discharge heat generated when the driving motor 7 and the blade connecting rotating shaft 8 are operated.
The blade rotating shaft 8 bottom outer wall a week evenly is equipped with air passing hole 14, air passing hole 14 is through blade rotating shaft 8 inner wall fixed connection louvre 13, can contact wind-force when blade rotating shaft 8 rotates through evenly being equipped with air passing hole 14, drives the heat through the louvre 13 discharge again of wind-force contact transmission.
Fixed 3 top outer walls of bulge loop a week fixedly connected with installation piece 4 in proper order, installation piece 4 is parallel symmetric distribution, and hexagonal symmetry is equipped with can promote anti-vibration ability and joint strength after fixed.
The inner wall of the middle end of the installation block 4 is provided with a screw hole 5, the installation block 4 is connected with a connecting bolt 6 through the screw hole 5 in a threaded manner, and the quick property of the fan during disassembly and assembly can be improved through a convenient and effective fixing structure.
2 outer wall a week fixedly connected with of lower ring shell gives sound insulation and fills up 9, the noise of the inside transmission of receipt that can be even comprehensive through outside parcel, the outside propagation of separation noise, bracing piece inner wall evenly is equipped with air duct 11, can increase airflow flow's area of passing through inside dead slot, reduces airflow flow and passes through contact noise and separation.
The working principle is as follows: when in use, an operator needs to correspondingly install and connect the brushless electronic fan and related matched equipment needing heat dissipation, the brushless electronic fan can be installed by arranging connecting bolts 6 through screw holes 5 on a plurality of symmetrical fixing blocks at the top end of a fixing convex ring 3, a power control circuit is required to be connected during installation, when in operation, a driving motor 7 runs by power output to drive a connecting blade rotating shaft 8 to rotate, the connecting blade rotating shaft 8 can drive a plurality of fan blades 12 to rotate, the fan blades 12 can be continuously supported and prevented from shaking during rotation through a rotating groove 16 and a rotating bearing 15, a sound insulation pad 9 can be used for preventing the transmission of noise from the outside by being wrapped and placed outside, only the supporting rods with three symmetrical ends can maintain the stability and reduce the vibration, the air passing grooves 11 which are uniformly arranged can also increase the passing area of large flow, and can also reduce the noise caused by large contact area when the air flow passes through, the blade rotating shaft 8 can be contacted with wind power when rotating through uniformly arranging the wind passing holes 14, and the wind power is contacted with the wind power through the wind passing holes 14 and is transmitted and then is discharged through the heat dissipation holes 13 to drive away the self-operation heat of the structure.
The utility model discloses a: the brushless electric fan comprises an upper annular shell-1, a lower annular shell-2, a fixed convex ring-3, an installation block-4, a screw hole-5, a connecting bolt-6, a driving motor-7, a connecting blade rotating shaft-8, a sound insulation pad-9, a supporting rod-10, an air passing groove-11, a fan blade-12, a radiating hole-13, an air passing hole-14, a rotating bearing-15 and a rotating groove-16, wherein the components are all universal standard components or components known by technicians in the field, and the structure and the principle of the brushless electric fan can be known by technical manuals or conventional experimental methods, so that the brushless electric fan solves the problem that 1. the traditional brushless electric fan generates high-speed rotating self noise during operation and large-flow gas is in contact collision with the structure when passing through the traditional brushless electric fan, so that the noise is generated during operation, there is the too big problem of noise in service, 2 traditional brushless electronic fan exists when electronic fan dispels the heat with corollary equipment, and when equipment was overheated, the flow gas that the fan brought was not enough through having, can't satisfy the problem of heat dissipation demand, the utility model discloses a mutual combination of above-mentioned parts has reduced the noise that gives off when brushless electronic fan moves, and the real-time air flow when having promoted brushless electronic fan moves is through satisfying the heat dissipation demand.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A large-traffic low noise brushless electronic fan which characterized in that: including last ring shell (1), lower ring shell (2), bracing piece (10), flabellum (12), go up ring shell (1) bottom outer wall a week fixed connection lower ring shell (2), go up ring shell (1) top outer wall a week fixed connection fixed bulge loop (3), it evenly is equipped with bracing piece (10) to go up ring shell (1) inner wall, bracing piece (10) middle-end fixed connection driving motor (7), driving motor (7) bottom is connected antithetical couplet leaf pivot (8) by lower ring shell (2) inner wall transmission, antithetical couplet leaf pivot (8) outer wall evenly is equipped with flabellum (12), flabellum (12) top fixedly connected with rolling bearing (15), ring shell (2) inner wall a week is equipped with rotation groove (16) down, ring shell (2) are through rotating groove (16) sliding connection rolling bearing (15) down.
2. A high flow, low noise brushless electronic fan according to claim 1, characterized by: the outer wall of the blade connecting rotating shaft (8) is uniformly provided with heat dissipation holes (13), the heat dissipation holes (13) are located at the bottom of the blade connecting rotating shaft (8) close to the middle end, and the heat dissipation holes (13) are symmetrically distributed in parallel.
3. A high flow, low noise brushless electronic fan according to claim 1, characterized by: the blade connecting rotating shaft is characterized in that air passing holes (14) are uniformly formed in the outer wall of the bottom of the blade connecting rotating shaft (8) in a circle, and the air passing holes (14) are fixedly connected with heat dissipation holes (13) through the inner wall of the blade connecting rotating shaft (8).
4. A high flow, low noise brushless electronic fan according to claim 1, characterized by: the fixed convex ring (3) top outer wall a week fixedly connected with installation piece (4) in proper order, installation piece (4) are parallel symmetric distribution.
5. A high flow, low noise brushless electronic fan according to claim 4, characterized by: the mounting block (4) is provided with a screw hole (5) in the inner wall of the middle end, and the mounting block (4) is connected with a connecting bolt (6) through the screw hole (5) in a threaded manner.
6. A high flow, low noise brushless electronic fan according to claim 1, characterized by: the outer wall of the lower ring shell (2) is fixedly connected with a sound insulation pad (9) in a circle, and the inner wall of the supporting rod is uniformly provided with an air passing groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795761.4U CN213981274U (en) | 2020-11-27 | 2020-11-27 | Large-traffic low noise brushless electronic fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022795761.4U CN213981274U (en) | 2020-11-27 | 2020-11-27 | Large-traffic low noise brushless electronic fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213981274U true CN213981274U (en) | 2021-08-17 |
Family
ID=77267860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022795761.4U Expired - Fee Related CN213981274U (en) | 2020-11-27 | 2020-11-27 | Large-traffic low noise brushless electronic fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213981274U (en) |
-
2020
- 2020-11-27 CN CN202022795761.4U patent/CN213981274U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210817 |