CN216381922U - Low-noise mixed flow fan - Google Patents
Low-noise mixed flow fan Download PDFInfo
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- CN216381922U CN216381922U CN202122658488.5U CN202122658488U CN216381922U CN 216381922 U CN216381922 U CN 216381922U CN 202122658488 U CN202122658488 U CN 202122658488U CN 216381922 U CN216381922 U CN 216381922U
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Abstract
The utility model discloses a low-noise mixed flow fan, comprising: the lower end of the shell is fixedly provided with a connecting frame, the inner end of the connecting frame is provided with a mounting plate, the lower end of the mounting plate is provided with a bottom plate, and a silencer used for reducing noise of the convection fan is arranged in the mounting plate; the positioning plate is arranged at the upper end of the shell, a mounting assembly is arranged on the outer side of the lower end of the positioning plate, a motor is arranged in the mounting assembly, and a fan for mixing air movement is coaxially arranged at the left end of the motor; the noise reduction plate is attached to the lower surface of the upper side of the shell, the dustproof assembly is installed on the outer side of the shell, the drying plate is arranged inside the dustproof assembly on the left side of the shell, and the installation assembly is composed of an auxiliary plate, a limiting groove and a threaded rod. This low noise mixed flow fan is convenient for fall and makes an uproar, also is convenient for change the drying plate and the dust screen of inside, is convenient for repair the simple operation to internals simultaneously.
Description
Technical Field
The utility model relates to the technical field of mixed flow fans, in particular to a low-noise mixed flow fan.
Background
The mixed flow fan is a fan between an axial mixed flow fan and a centrifugal fan, an impeller of the mixed flow fan enables air to do centrifugal motion and axial motion, and the motion of the air in the shell is mixed with two motion forms of axial flow and centrifugation, so that the mixed flow fan is called 'mixed flow';
the notice number is CN208686613U, and a motor protective sleeve is sleeved on the outer wall of the motor; the motor protective sleeve comprises a sponge, a first clamping piece, a second clamping piece, a bolt and a fixing piece; the first clamping piece is arranged on the upper side of the second clamping piece, and the outer end of the bolt is fixedly connected with the nut after passing through the first clamping piece and the second clamping piece in sequence; can avoid the mixed flow fan to take place to damage because of weing, prolong the life of mixed flow fan.
Although the existing mixed flow fan can be prevented from being damaged due to dampness, the existing mixed flow fan is inconvenient to reduce noise and replace an internal drying plate and a dust screen after being used, and is inconvenient to repair internal parts and excessively complicated to operate, so that the utility model provides the low-noise mixed flow fan to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a low-noise mixed flow fan, which solves the problems that the noise is reduced, an internal drying plate and a dustproof net are not convenient to replace, internal parts are not convenient to repair and the operation is too complicated in the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme: a low noise mixed flow fan comprising:
the lower end of the shell is fixedly provided with a connecting frame, the inner end of the connecting frame is provided with a mounting plate, the lower end of the mounting plate is provided with a bottom plate, and a silencer used for reducing noise of the convection fan is arranged in the mounting plate;
the positioning plate is arranged at the upper end of the shell, a mounting assembly is arranged on the outer side of the lower end of the positioning plate, a motor is arranged in the mounting assembly, and a fan for mixing air movement is coaxially arranged at the left end of the motor;
the board of making an uproar falls, its laminating setting is at the upside lower surface of shell, and the dustproof subassembly is installed in the outside of shell to the inside of the left dustproof subassembly of shell is provided with the drying plate.
Preferably, the central axis of the fan and the central axis of the outer end of the shell are on the same horizontal plane.
Preferably, the mounting assembly consists of an auxiliary plate, a limiting groove and a threaded rod;
an auxiliary plate installed at the right side of the lower end of the positioning plate;
a limit groove which is arranged inside the auxiliary plate;
the threaded rod is arranged inside the limiting groove.
Preferably, the auxiliary plates are arranged in an up-and-down symmetrical mode relative to the transverse axis of the motor, and the auxiliary plates are limited through threaded rods to play a role in stably mounting the motor.
Preferably, the dustproof assembly is composed of a joint cover and a dustproof net;
a joint cover arranged at the outer end of the shell;
and the dustproof net is arranged inside the connecting cover at the right end of the shell.
Preferably, the connection cover is connected with the shell through threads, and the longitudinal section of the outer end of the shell is of a horn-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that: the low-noise mixed flow fan is convenient for noise reduction, replacement of the drying plate and the dust screen inside the low-noise mixed flow fan, repair of internal parts and convenient and fast operation;
1. the drying plate is arranged in the dustproof assembly on the left side of the shell, so that external moisture is absorbed by the drying plate, and the moisture enters the shell and is filtered and discharged from the drying plate, so that the dustproof assembly is more flexible to use;
2. the auxiliary plate is arranged in an up-down symmetrical mode relative to the transverse axis of the motor, the motor is placed inside the auxiliary plate, the auxiliary plate is limited through the threaded rod to play a role in stably installing the motor, and when the threaded rod is separated from the auxiliary plate, the motor is convenient to repair;
3. through linking up lid and shell threaded connection, will rotate and link up the lid, be convenient for change the dust screen, and the outer end longitudinal section of shell is loudspeaker column structure, increases the flow time of air current, makes the inside noise reduction better.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic view of the overall structure of the dustproof assembly of the present invention;
FIG. 4 is a schematic view of the overall construction of the mounting assembly of the present invention;
FIG. 5 is a schematic side sectional view of the connection between the housing and the fan according to the present invention.
In the figure: 1. a housing; 2. a connecting frame; 3. mounting a plate; 4. a base plate; 5. a muffler; 6. positioning a plate; 7. a noise reduction plate; 8. a motor; 9. a fan; 10. mounting the component; 1001. an auxiliary plate; 1002. a limiting groove; 1003. a threaded rod; 11. a dust-proof assembly; 1101. an engagement cover; 1102. a dust screen; 12. the plate was dried.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a low-noise mixed flow fan, the lower end of the outer casing 1 is fixedly provided with a connecting frame 2, the inner end of the connecting frame 2 is provided with a mounting plate 3, the lower end of the mounting plate 3 is provided with a bottom plate 4, the bottom plate 4 penetrates through the outer end of the bottom plate 4 through threads, the mixed flow fan is convenient to mount, and a silencer 5 is arranged inside the mounting plate 3; when the fan 9 rotates, noise is generated inside, the noise reduction plate 7 is attached to the lower surface of the upper side of the shell 1, and the noise is reduced through the arrangement of the silencer 5 and the noise reduction plate 7;
as shown in fig. 5, since the positioning plate 6 is mounted at the upper end of the housing 1, and the mounting assembly 10 is arranged at the outer side of the lower end of the positioning plate 6, and the motor 8 is mounted inside the mounting assembly 10, the left end of the motor 8 is coaxially provided with the fan 9; place the motor 8 the inner of locating plate 6, the left side is connected with fan 9, the axis of fan 9 is on same horizontal plane with the axis of 1 outer end of shell, and dustproof subassembly 11 is installed in the outside of shell 1, and the inside of the left dustproof subassembly 11 of shell 1 is provided with drying plate 12, will absorb external moisture through drying plate 12, filter the discharge from drying plate 12 in the inside that enters into shell 1 with moisture, it is more nimble to use.
As shown in fig. 2 and 4, the mounting assembly 10 is composed of an auxiliary plate 1001, a limit groove 1002 and a threaded rod 1003; an auxiliary plate 1001 attached to the right side of the lower end of the positioning plate 6; a stopper groove 1002 provided inside the auxiliary plate 1001; the threaded rod 1003 is arranged inside the limiting groove 1002, the auxiliary plate 1001 is arranged in an up-and-down symmetrical mode relative to the transverse axis of the motor 8, the motor 8 is placed inside the auxiliary plate 1001, the auxiliary plate 1001 is limited through the threaded rod 1003 to achieve the effect of stably installing the motor 8, the auxiliary plate 1001 is correspondingly clamped through rotating the threaded rod 1003, the auxiliary plate 1001 is rotatably connected with the positioning plate 6, and when the threaded rod 1003 is separated from the auxiliary plate 1001, the motor 8 can be conveniently repaired.
Specifically, as shown in fig. 1 and 3, the dust-proof assembly 11 is composed of a joint cover 1101 and a dust-proof net 1102; an engaging cover 1101 provided at the outer end of the housing 1; the dust screen 1102 is installed in the connecting cover 1101 at the right end of the shell 1, the connecting cover 1101 is connected with the shell 1 through threads, the connecting cover 1101 rotates, the dust screen 1102 is convenient to replace, the longitudinal section of the outer end of the shell 1 is of a horn-shaped structure, the flowing time of air flow is prolonged, the noise reduction effect inside the shell is better, meanwhile, the drying plate 12 is convenient to replace, and the use method of the low-noise mixed-flow fan is achieved.
The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described, and the content not described in detail in the specification belongs to the prior art known by persons skilled in the art.
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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A low noise mixed flow fan, comprising:
the lower end of the shell is fixedly provided with a connecting frame, the inner end of the connecting frame is provided with a mounting plate, the lower end of the mounting plate is provided with a bottom plate, and a silencer used for reducing noise of the convection fan is arranged in the mounting plate;
the positioning plate is arranged at the upper end of the shell, a mounting assembly is arranged on the outer side of the lower end of the positioning plate, a motor is arranged in the mounting assembly, and a fan for mixing air movement is coaxially arranged at the left end of the motor;
the board of making an uproar falls, its laminating setting is at the upside lower surface of shell, and the dustproof subassembly is installed in the outside of shell to the inside of the left dustproof subassembly of shell is provided with the drying plate.
2. The low-noise mixed-flow fan according to claim 1, wherein: the central axis of the fan and the central axis of the outer end of the shell are on the same horizontal plane.
3. The low-noise mixed-flow fan according to claim 1, wherein: the mounting assembly consists of an auxiliary plate, a limiting groove and a threaded rod;
an auxiliary plate installed at the right side of the lower end of the positioning plate;
a limit groove which is arranged inside the auxiliary plate;
the threaded rod is arranged inside the limiting groove.
4. A low noise mixed flow fan according to claim 3, wherein: the auxiliary plates are arranged in an up-and-down symmetrical mode relative to the transverse axis of the motor, and the auxiliary plates are limited through threaded rods to play a role in stably mounting the motor.
5. The low-noise mixed-flow fan according to claim 1, wherein: the dustproof assembly consists of a connecting cover and a dustproof net;
a joint cover arranged at the outer end of the shell;
and the dustproof net is arranged inside the connecting cover at the right end of the shell.
6. The low-noise mixed-flow fan according to claim 5, wherein: the linking cover is connected with the shell through threads, and the longitudinal section of the outer end of the shell is of a horn-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658488.5U CN216381922U (en) | 2021-11-02 | 2021-11-02 | Low-noise mixed flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122658488.5U CN216381922U (en) | 2021-11-02 | 2021-11-02 | Low-noise mixed flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381922U true CN216381922U (en) | 2022-04-26 |
Family
ID=81249300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122658488.5U Active CN216381922U (en) | 2021-11-02 | 2021-11-02 | Low-noise mixed flow fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381922U (en) |
-
2021
- 2021-11-02 CN CN202122658488.5U patent/CN216381922U/en active Active
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