CN209818371U - Environment-friendly and energy-saving casting centrifugal fan - Google Patents
Environment-friendly and energy-saving casting centrifugal fan Download PDFInfo
- Publication number
- CN209818371U CN209818371U CN201920654917.1U CN201920654917U CN209818371U CN 209818371 U CN209818371 U CN 209818371U CN 201920654917 U CN201920654917 U CN 201920654917U CN 209818371 U CN209818371 U CN 209818371U
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- centrifugal fan
- protective cover
- energy
- friendly
- environment
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- 238000005266 casting Methods 0.000 title claims abstract description 14
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000007613 environmental effect Effects 0.000 claims abstract description 6
- 230000001681 protective effect Effects 0.000 claims description 20
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 230000035939 shock Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an environmental protection and energy saving casting centrifugal fan in centrifugal fan technical field, including centrifugal fan, centrifugal fan's outside is fallen the protection of making an uproar through the protection casing and is fallen, protection casing fixed mounting is on PMKD, the welding has the cassette on the PMKD, the cassette is the framework, square groove has been seted up at the top of cassette, the protection casing is assembled for dividing the body board, roof including curb plate all around and top, the curb plate of protection casing is pegged graft respectively in square groove, the utility model discloses be convenient for install centrifugal fan in the protection casing, avoid too big at during operation noise pollution, the shake of production all can carry out effectual buffering shock attenuation under damping spring and damping spring's effect, the protection casing is split type installation, is convenient for dismantle, and it is more convenient to maintain.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is an environmental protection and energy saving casting centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion. In a conventional centrifugal fan, a motor and a casing are usually mounted on an L-shaped frame to balance the weight of the casing by using the weight of the motor. Compared with the support structure with other structural forms, the L-shaped support has the advantages of simple form, easy processing and lower total purchase cost of the support. However, in the practical use process, the problem of impeller machining precision is found in the use process of the L-shaped support, so that the whole centrifugal fan is easy to vibrate seriously due to impeller vibration in the use process, the use feeling is poor, and the universal reflection of a user is large. For example, patent application No. CN201721863278.7 is a vibration/noise reduction centrifugal fan, comprising: the support, the shock absorber support, the shock attenuation board, a housing, motor and impeller, the support includes horizontal stand and the vertical support of vertical connection on the horizontal stand, the casing sets up in one side of vertical support, and be equipped with the mounting hole on its one side lateral wall that is close to vertical support, be equipped with the air intake on its opposite side lateral wall that corresponds, the motor sets up in the opposite side of vertical support, and its drive shaft passes vertical support in proper order, the mounting hole is connected with the impeller that is located the casing, the upper end and the horizontal stand of shock absorber support are connected, and its lower extreme is connected with the shock attenuation board, the shock attenuation board is laminated on the casing.
But this kind of centrifugal fan shock attenuation effect is not good, and the noise that sends when using is too big, environmental protection inadequately. Based on this, the utility model designs an environmental protection and energy saving casting centrifugal fan to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an environmental protection and energy saving casting centrifugal fan to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an environment-friendly and energy-saving casting centrifugal fan comprises a centrifugal fan, wherein the outside of the centrifugal fan is subjected to noise reduction protection through a protective cover, the protective cover is fixedly arranged on a fixed bottom plate, a clamping seat is welded on the fixed bottom plate, the clamping seat is a frame body, a square groove is formed in the top of the clamping seat, the protective cover is assembled through split plates and comprises peripheral side plates and a top plate at the top, the side plates of the protective cover are respectively inserted in the square groove and are fixedly arranged through bolts, a telescopic rod is fixedly arranged between the fixed bottom plate and the bottom of the centrifugal fan, a damping spring is sleeved on the outer side of the telescopic rod, a buffer spring is arranged at the transverse position of the inner side wall of the protective cover and the centrifugal fan, noise reduction layers are arranged on the inner side wall of the protective cover, and connecting ends are respectively arranged, the outer end of the connecting end is provided with a flange which is externally connected with an external air pipe.
Preferably, the top plate is fixed with the peripheral side plates through screws.
Preferably, the noise reduction layer is a polytetrafluoroethylene coating.
Preferably, the air inlet chamber is installed on the curb plate of both sides of protection casing, be provided with the shutter on the air inlet chamber.
Preferably, a filter screen is arranged in the flange plate.
Preferably, the connection end passes through a side plate of the shield.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses be convenient for install centrifugal fan in the protection casing, avoid too big at the during operation noise pollution, the shake of production all can carry out effectual buffering shock attenuation under damping spring and damping spring's effect, and the protection casing is split type installation, is convenient for dismantle, and it is more convenient to maintain.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the side-view inner-sectional structure of the present invention;
fig. 3 is a schematic diagram of the external structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-centrifugal fan, 2-protective cover, 3-fixed bottom plate, 4-clamping seat, 5-connecting end, 6-flange, 7-air inlet cavity, 8-telescopic rod, 9-damping spring, 10-buffer spring, 11-noise reduction layer and 12-filter screen.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: an environment-friendly and energy-saving casting centrifugal fan comprises a centrifugal fan 1, noise reduction protection is carried out on the outer portion of the centrifugal fan 1 through a protective cover 2, the protective cover 2 is fixedly installed on a fixed bottom plate 3, a clamping seat 4 is welded on the fixed bottom plate 3, the clamping seat 4 is a frame body, a square groove is formed in the top of the clamping seat 4, the protective cover 2 is assembled through split plates and comprises peripheral side plates and a top plate at the top, the side plates of the protective cover 2 are respectively inserted into the square grooves and are fixedly installed through bolts, a telescopic rod 8 is fixedly installed between the fixed bottom plate 3 and the bottom of the centrifugal fan 1, a damping spring 9 is sleeved on the outer side of the telescopic rod 8, a buffer spring 10 is installed at the transverse position of the inner side wall of the protective cover 2 and the centrifugal fan 1, noise reduction layers 11 are arranged on the inner side wall of, the outer tip of link 5 is installed the ring flange 6, and the external tuber pipe of outside is connected to ring flange 6.
The top plate is fixed with the side plates at the periphery through screws, so that the assembly, disassembly and maintenance are convenient; the noise reduction layer 11 is a polytetrafluoroethylene coating and is used for absorbing noise; air inlet cavities 7 are arranged on side plates on two sides of the protective cover 2, and shutters are arranged on the air inlet cavities 7, so that heat can be dissipated to the centrifugal fan 1, and noise transmission is reduced by the shutters; a filter screen 12 is arranged in the flange 6 to prevent impurities from entering the air pipe; the connection end 5 passes through the side plate of the shield 2.
One specific application of this embodiment is: when carrying out centrifugal fan 1's during operation, outside air gets into from 5 departments of the link of centrifugal fan 1's air intake, through the impeller rotation, blow off the air from 5 departments of the link of centrifugal fan 1's air outlet, air inlet chamber 7 dispels the heat in to protection casing 2, telescopic link 8 supports, damping spring 9 cushions the shock attenuation from top to bottom, damping spring 10 cushions about going on, protection casing 2 blocks the absorption with the layer of making an uproar 11 that falls to the noise that centrifugal fan 1 during operation produced, filter screen 12 avoids in debris gets into the tuber pipe, protection casing 2 assembles for the components of a whole that can function independently board, cooperation PMKD 3, cover centrifugal fan 1, protection casing 2 pegs graft and fixes on cassette 4, the roof is fixed with curb plate all around through the screw, be convenient for equipment and dismantlement maintenance.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides an environmental protection and energy saving casting centrifugal fan, includes centrifugal fan (1), its characterized in that: the noise reduction protection is carried out on the outer portion of the centrifugal fan (1) through a protective cover (2), the protective cover (2) is fixedly installed on a fixed base plate (3), a clamping seat (4) is welded on the fixed base plate (3), the clamping seat (4) is a frame body, a square groove is formed in the top of the clamping seat (4), the protective cover (2) is assembled through split plates and comprises peripheral side plates and a top plate at the top, the side plates of the protective cover (2) are respectively inserted into the square grooves and fixedly installed through bolts, a telescopic rod (8) is fixedly installed between the fixed base plate (3) and the bottom of the centrifugal fan (1), a damping spring (9) is sleeved on the outer side of the telescopic rod (8), a buffer spring (10) is installed on the inner side wall of the protective cover (2) and the transverse position of the centrifugal fan (1), and a noise reduction layer (11) is arranged on the inner side wall of the protective cover (, the centrifugal fan is characterized in that connecting ends (5) are arranged on an air inlet and an air outlet of the centrifugal fan (1), a flange plate (6) is arranged at the outer end of each connecting end (5), and the flange plate (6) is externally connected with an external air pipe.
2. The environment-friendly and energy-saving casting centrifugal fan as claimed in claim 1, wherein: the top plate is fixed with the side plates on the periphery through screws.
3. The environment-friendly and energy-saving casting centrifugal fan as claimed in claim 1, wherein: the noise reduction layer (11) is a polytetrafluoroethylene coating.
4. The environment-friendly and energy-saving casting centrifugal fan as claimed in claim 1, wherein: the air inlet chamber (7) is installed on the lateral plates on the two sides of the protective cover (2), and a shutter is arranged on the air inlet chamber (7).
5. The environment-friendly and energy-saving casting centrifugal fan as claimed in claim 1, wherein: and a filter screen (12) is arranged in the flange plate (6).
6. The environment-friendly and energy-saving casting centrifugal fan as claimed in claim 1, wherein: the connecting end (5) penetrates through a side plate of the protective cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654917.1U CN209818371U (en) | 2019-05-09 | 2019-05-09 | Environment-friendly and energy-saving casting centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920654917.1U CN209818371U (en) | 2019-05-09 | 2019-05-09 | Environment-friendly and energy-saving casting centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209818371U true CN209818371U (en) | 2019-12-20 |
Family
ID=68882897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920654917.1U Expired - Fee Related CN209818371U (en) | 2019-05-09 | 2019-05-09 | Environment-friendly and energy-saving casting centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209818371U (en) |
-
2019
- 2019-05-09 CN CN201920654917.1U patent/CN209818371U/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: 20191220 Termination date: 20210509 |