CN216691624U - Efficient noise-reduction mixed flow fan - Google Patents
Efficient noise-reduction mixed flow fan Download PDFInfo
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- CN216691624U CN216691624U CN202123004033.8U CN202123004033U CN216691624U CN 216691624 U CN216691624 U CN 216691624U CN 202123004033 U CN202123004033 U CN 202123004033U CN 216691624 U CN216691624 U CN 216691624U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model discloses a high-efficiency noise-reduction mixed flow fan, which comprises: the mixed flow fan comprises a mixed flow fan body, a connecting block, an air inlet, an air outlet, a fixing ring and a support ring, wherein the connecting block is installed on the outer side of the mixed flow fan body, the air inlet installed through the connecting block is formed in the left side of the mixed flow fan body, the air outlet installed through the connecting block is formed in the right side of the mixed flow fan body, the fixing ring is installed on the inner side of the air inlet, and the support ring is fixed on the inner side of the fixing ring; the filtering mechanism is arranged on the left side of the fixing ring and is fixed with the inner side of the air inlet through bolts, and the filtering mechanism comprises a positioning ring, a filtering net and compensating noise elimination cotton; the damping mechanism is arranged on the lower side of the mixed flow fan main body, and a mounting bottom plate is fixed at the lower end of the damping mechanism; and the sound absorption pad is arranged on the inner side of the gap between the connection block monomers. This mixed flow fan of making an uproar falls in high efficiency, it can reduce the noise that the device during operation produced, and can carry out certain shock attenuation to the device, avoids inside spare part to receive vibrations and damages.
Description
Technical Field
The utility model relates to the technical field of mixed flow fans, in particular to a high-efficiency noise-reduction mixed flow fan.
Background
The mixed flow fan is a fan between an axial 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 modes of axial flow and centrifugation, so that the mixed flow fan is called as a mixed flow fan.
Chinese patent authorizes a fire control high temperature resistant mixed flow fan that publication number is CN212959184U, including the mixed flow fan body, the front side swing joint of mixed flow fan body has the filter screen, the equal fixedly connected with set casing in both sides of filter screen, the equal fixedly connected with fixed plate in both sides of mixed flow fan body. The fire-fighting high-temperature-resistant mixed flow fan solves the problems that the existing fire-fighting high-temperature-resistant mixed flow fan cannot filter air when air is sucked by using the air suction inlet, particles, dust and the like in the air can enter the mixed flow fan and accumulate in the high-pressure mixed flow fan to damage internal parts, so that the service life of the mixed flow fan is shortened, and the use cost of a user is increased by matching the mixed flow fan body, the filter screen, the fixed shell, the fixed plate, the limiting mechanism, the limiting groove, the transmission mechanism, the dovetail block, the dovetail groove, the button and the baffle.
The above prior art solutions have the following drawbacks: the efficient noise-reducing mixed-flow fan is inconvenient to reduce noise generated during working, is inconvenient to absorb certain vibration of the device, and is easy to damage internal parts due to vibration, so that the efficient noise-reducing mixed-flow fan provided by the utility model solves the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-efficiency noise-reduction mixed flow fan, which aims to solve the problems that the noise generated during working is inconvenient to reduce and certain shock absorption is inconvenient to carry out on the device in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: an efficient noise-reducing mixed-flow fan, comprising:
the mixed flow fan comprises a mixed flow fan body, a connecting block, an air inlet, an air outlet, a fixing ring and a support ring, wherein the connecting block is installed on the outer side of the mixed flow fan body, the air inlet installed through the connecting block is formed in the left side of the mixed flow fan body, the air outlet installed through the connecting block is formed in the right side of the mixed flow fan body, the fixing ring is installed on the inner side of the air inlet, and the support ring is fixed on the inner side of the fixing ring;
the filter mechanism is arranged on the left side of the fixing ring and is fixed with the inner side of the air inlet through bolts, the filter mechanism comprises a positioning ring, a filter screen and compensation noise elimination cotton, the compensation noise elimination cotton is arranged on the outer side of the positioning ring, and the filter screen is arranged on the inner side of the compensation noise elimination cotton;
the damping mechanism is arranged on the lower side of the mixed flow fan main body, and a mounting bottom plate is fixed at the lower end of the damping mechanism;
and the sound absorption pad is arranged on the inner side of the gap between the connection block monomers.
Preferably, the air inlet comprises an air duct shell, sound-absorbing cotton and a sound-absorbing plate;
the air duct shell and the connecting block monomer form an integrated structure through welding;
the sound absorption cotton is attached to the inner side of the air duct shell;
and the silencing plate is attached to the inner side of the sound absorption cotton.
Preferably, the damping mechanism comprises a mounting seat, wrapping silencing cotton and a supporting rod;
the mounting seat is fixed on the upper side of the mounting bottom plate through welding;
the wrapped silencing cotton is arranged on the inner side of the mounting seat;
and the support rod is welded and fixed on the lower side of the mixed flow fan main body and is arranged in the wrapped silencing cotton.
Preferably, the support rod forms elastic connection with the wrapped silencing cotton through a spring, and the upper side of the wrapped silencing cotton is in fit type sliding connection with the support rod.
Preferably, the fixed ring and the air duct shell form an integrated structure through welding, and the support ring mounted on the inner side of the fixed ring is fixed in a concentric circle array relative to the center of the fixed ring.
Compared with the prior art, the utility model has the beneficial effects that: the efficient noise-reduction mixed-flow fan can reduce noise generated when the device works, can perform certain shock absorption on the device, and avoids internal parts from being damaged due to vibration;
1. the compensation noise elimination cotton attached to the outer side of the positioning ring can compensate a gap between the positioning ring and the air duct shell, so that the possibility of vibration is reduced, meanwhile, the compensation noise elimination cotton can absorb noise to a certain extent, the generation of noise is reduced, the air flow can be prevented from directly contacting the air duct shell through the noise elimination plate, and meanwhile, the noise is absorbed to a certain extent by the sound absorption cotton, so that the generation of noise is reduced;
2. the support rod is elastically connected with the wrapped silencing cotton through the spring, so that the mixed flow fan main body has a certain damping structure, internal parts are prevented from being damaged due to vibration, and the upper side of the wrapped silencing cotton is in fit type sliding connection with the support rod, so that noise generated during damping can be reduced;
3. through solid fixed ring through welding and dryer shell constitution integral structure, can avoid the noise that the clearance that produces because of the bolt fastening appears, and the support ring through solid fixed ring inboard installation is fixed for solid fixed ring's center concentric circle array, can carry out certain spacing to the filter screen that solid fixed ring right side set up, reduces the possibility of its vibrations.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic side view of the connection between the support ring and the retaining ring according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
FIG. 5 is an enlarged view of the structure of FIG. 1 at C according to the present invention.
In the figure: 1. a mixed flow fan body; 2. an air inlet; 201. a wind barrel shell; 202. sound-absorbing cotton; 203. An acoustic panel; 3. a joining block; 4. an air outlet; 5. mounting a bottom plate; 6. a fixing ring; 7. a support ring; 8. a filtering mechanism; 801. a positioning ring; 802. a filter screen; 803. compensating noise elimination cotton; 9. a damping mechanism; 901. a mounting seat; 902. wrapping silencing cotton; 903. a support bar; 10. a sound absorbing pad.
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 high-efficiency noise-reduction mixed-flow fan comprises a mixed-flow fan body 1, wherein an engagement block 3 is arranged on the outer side of the mixed-flow fan body 1, an air inlet 2 installed through the engagement block 3 is arranged on the left side of the mixed-flow fan body 1, an air outlet 4 installed through the engagement block 3 is arranged on the right side of the mixed-flow fan body 1, the air inlet 2 comprises an air duct shell 201, sound-absorbing cotton 202 and a sound-absorbing plate 203, the air duct shell 201 and the engagement block 3 form an integrated structure through welding, the sound-absorbing cotton 202 is attached to the inner side of the air duct shell 201, the sound-absorbing plate 203 is attached to the inner side of the sound-absorbing cotton 202, a fixing ring 6 is installed on the inner side of the air inlet 2, a support ring 7 is fixed on the inner side of the fixing ring 6, a filter mechanism 8 is arranged on the left side of the fixing ring 6 and is fixed with the inner side of the air inlet 2 through bolts, the filter mechanism 8 comprises a positioning ring 801, a filter screen 802 and compensation noise-attenuation cotton 803, the outer side of the positioning ring 801 is provided with compensation noise-attenuation cotton 803, a filter screen 802 is arranged on the inner side of the compensation noise elimination cotton 803, a damping mechanism 9 is arranged on the lower side of the mixed flow fan main body 1, a mounting base plate 5 is fixed at the lower end of the damping mechanism 9, the damping mechanism 9 comprises a mounting base 901, wrapping noise elimination cotton 902 and a support rod 903, the mounting base 901 is fixed on the upper side of the mounting base plate 5 through welding, the wrapping noise elimination cotton 902 is arranged on the inner side of the mounting base 901, the support rod 903 is fixed on the lower side of the mixed flow fan main body 1 through welding and is arranged in the wrapping noise elimination cotton 902, and a sound absorption pad 10 is arranged on the inner side of a gap between the connection blocks 3;
when the device is used, specifically as in fig. 1 and 3, the mixed flow fan main body 1 is started to make air enter from the air inlet 2 and exhaust from the air outlet 4, wherein the internal structure of the air outlet 4 is the same as that of the air inlet 2, when the air enters from the air inlet 2, the air is firstly filtered through the filter screen 802, so as to reduce the possibility of dust entering, the compensation silencing cotton 803 attached to the outer side of the positioning ring 801 can compensate the gap between the positioning ring 801 and the air duct shell 201, so as to reduce the possibility of vibration, meanwhile, the compensation silencing cotton 803 can absorb noise to a certain extent, so as to reduce the generation of noise, and the noise elimination plate 203 can prevent the air from flowing to directly contact the air duct shell 201, and meanwhile, the sound absorption cotton 202 can absorb the noise to a certain extent, so as to reduce the generation of noise, and as in fig. 2, the fixing ring 6 forms an integrated structure with the air duct shell 201 by welding, the noise generated by the gap due to bolt fixing can be avoided, the support ring 7 arranged on the inner side of the fixing ring 6 is fixed in a concentric circular array mode relative to the center of the fixing ring 6, the filter screen 802 arranged on the right side of the fixing ring 6 can be limited to a certain extent, and the possibility of vibration of the filter screen can be reduced, and as shown in fig. 4, the vibration generated between the mixed flow fan main body 1 and the air inlet 2 can be reduced through the sound absorption pad 10 arranged in the gap connected between the connection blocks 3;
as in fig. 1 and 5 specifically, constitute elastic connection through bracing piece 903 through spring and parcel noise elimination cotton 902 for mixed flow fan main part 1 has certain shock-absorbing structure, avoids inside spare part to receive vibrations and damages, and is laminating formula sliding connection through the upside of parcel noise elimination cotton 902 and bracing piece 903, the noise that produces when can reducing the shock attenuation.
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 (5)
1. The utility model provides a mixed flow fan of making an uproar falls in high efficiency which characterized in that includes:
the mixed flow fan comprises a mixed flow fan body, a connecting block, an air inlet, an air outlet, a fixing ring and a support ring, wherein the connecting block is installed on the outer side of the mixed flow fan body, the air inlet installed through the connecting block is formed in the left side of the mixed flow fan body, the air outlet installed through the connecting block is formed in the right side of the mixed flow fan body, the fixing ring is installed on the inner side of the air inlet, and the support ring is fixed on the inner side of the fixing ring;
the filter mechanism is arranged on the left side of the fixing ring and is fixed with the inner side of the air inlet through bolts, the filter mechanism comprises a positioning ring, a filter screen and compensation noise elimination cotton, the compensation noise elimination cotton is arranged on the outer side of the positioning ring, and the filter screen is arranged on the inner side of the compensation noise elimination cotton;
the damping mechanism is arranged on the lower side of the mixed flow fan main body, and a mounting bottom plate is fixed at the lower end of the damping mechanism;
and the sound absorption pad is arranged on the inner side of the gap between the connection block monomers.
2. The mixed flow fan of claim 1 of making an uproar falls in a high efficiency, characterized in that: the air inlet comprises an air duct shell, sound absorption cotton and a sound absorption plate;
the air duct shell and the connecting block monomer form an integrated structure through welding;
the sound absorption cotton is attached to the inner side of the air duct shell;
and the silencing plate is attached to the inner side of the sound absorption cotton.
3. The mixed flow fan of claim 1 of making an uproar falls in a high efficiency, characterized in that: the damping mechanism comprises a mounting seat, wrapping silencing cotton and a supporting rod;
the mounting seat is fixed on the upper side of the mounting bottom plate through welding;
the wrapped silencing cotton is arranged on the inner side of the mounting seat;
and the support rod is welded and fixed on the lower side of the mixed flow fan main body and is arranged in the wrapped silencing cotton.
4. The efficient noise-reducing mixed-flow fan according to claim 3, characterized in that: the bracing piece passes through the spring and constitutes elastic connection with the parcel noise elimination cotton, and the cotton upside of parcel noise elimination is laminating formula sliding connection with the bracing piece.
5. The efficient noise-reducing mixed-flow fan according to claim 1, characterized in that: the fixed ring and the air duct shell form an integrated structure through welding, and the support ring mounted on the inner side of the fixed ring is fixed in a concentric circle array relative to the center of the fixed ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004033.8U CN216691624U (en) | 2021-12-02 | 2021-12-02 | Efficient noise-reduction mixed flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123004033.8U CN216691624U (en) | 2021-12-02 | 2021-12-02 | Efficient noise-reduction mixed flow fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691624U true CN216691624U (en) | 2022-06-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123004033.8U Active CN216691624U (en) | 2021-12-02 | 2021-12-02 | Efficient noise-reduction mixed flow fan |
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| Country | Link |
|---|---|
| CN (1) | CN216691624U (en) |
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2021
- 2021-12-02 CN CN202123004033.8U patent/CN216691624U/en active Active
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