CN211422979U - Wear-resistant draught fan - Google Patents
Wear-resistant draught fan Download PDFInfo
- Publication number
- CN211422979U CN211422979U CN201922480750.4U CN201922480750U CN211422979U CN 211422979 U CN211422979 U CN 211422979U CN 201922480750 U CN201922480750 U CN 201922480750U CN 211422979 U CN211422979 U CN 211422979U
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- Prior art keywords
- rotating
- net
- frame
- fixed
- fixed frame
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 241000883990 Flabellum Species 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910003470 tongbaite Inorganic materials 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a wear-resistant draught fan, which comprises a casing, a motor, a speed changer, a fan blade and a transmission rod, wherein the fan blade and the transmission rod are arranged in the casing; the motor drives the fan blades to rotate through the speed changer, so that the rotating speed can be controlled as required, and more energy is saved; an adjusting air net is arranged at the air inlet through a bolt and comprises a circular fixed frame, a fixed net, a circular rotating frame and a rotating net, and a plurality of metal strips are respectively arranged in the fixed frame and the rotating frame at intervals and uniformly to form the fixed net and the rotating net; a rotating shaft is fixed on the metal strip in the middle of the rotating frame and penetrates through the metal strip in the middle of the fixed frame, so that the rotating frame can rotate on the fixed frame at will; and a plurality of bolt holes are uniformly formed in the outer ring of the fixing frame, and the bolts penetrate through the bolt holes to fix the adjusting air net on the air port.
Description
Technical Field
The utility model belongs to the technical field of machinery and specifically relates to a wear-resisting draught fan is related to.
Background
The induced draft fan is a machine which can improve the gas pressure and convey gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust 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; in the working process, a common motor drives an air compressor impeller, airflow axially enters a blade space from a fan, and rotates along with the impeller under the action of the impeller rotating at a high speed, energy is improved under the action of inertia, the airflow leaves the impeller along the radius direction, and the airflow does work by the generated centrifugal force.
But the intake of current draught fan can't be adjusted, can not adapt to different production demands, uses and has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
A wear-resistant draught fan is characterized by comprising a shell, a motor, a speed changer, fan blades and a transmission rod, wherein the fan blades and the transmission rod are installed in the shell; the motor drives the fan blades to rotate through the speed changer, so that the rotating speed can be controlled as required, and more energy is saved;
an adjusting air net is arranged at the air inlet through a bolt and comprises a circular fixed frame, a fixed net, a circular rotating frame and a rotating net, and a plurality of metal strips are respectively arranged in the fixed frame and the rotating frame at intervals and uniformly to form the fixed net and the rotating net; a rotating shaft is fixed on the metal strip in the middle of the rotating frame and penetrates through the metal strip in the middle of the fixed frame, so that the rotating frame can rotate on the fixed frame at will; and a plurality of bolt holes are uniformly formed in the outer ring of the fixing frame, and the bolts penetrate through the bolt holes to fix the adjusting air net on the air port.
Preferably, the end of the rotating shaft is provided with a protruding knob.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model has simple structure and novel conception, and can rotate the rotating frame according to the actual requirement in the actual application to realize the purpose of adjusting the air intake; when the maximum air inlet amount is needed, the adjusting air net can be detached completely, and the use is very convenient.
The motor drives the fan blades to rotate through the speed changer, so that the rotating speed can be controlled as required, and more energy is saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the middle adjusting air net of the present invention.
In the figure: 1. the device comprises a motor, 2, a speed changer, 3, a machine shell, 4, an air port, 5, a fixed frame, 6, a bolt, 7, a fixed net, 8, a rotating net, 9, a rotating shaft, 10 and a rotating frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but 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.
The terms "first," "second," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1-2, in an embodiment of the present invention, a wear-resistant induced draft fan includes a casing, a motor, a transmission, a fan blade and a transmission rod, the fan blade and the transmission rod are installed in the casing, an air port is disposed on the left side of the casing, and the motor and the transmission are disposed on the right side of the casing. The motor drives the fan blades to rotate through the speed changer, so that the rotating speed can be controlled as required, and more energy is saved.
Wind gap department installs through the bolt and adjusts the wind net, it includes circular shape fixed frame, fixed net, circular shape rotating frame and rotatory net to adjust the wind net, a plurality of metal strips are just evenly installed at the interval respectively in fixed frame and the rotatory frame, form fixed net and rotatory net. A rotating shaft is fixed on the metal strip in the middle of the rotating frame and penetrates through the metal strip in the middle of the fixed frame, so that the rotating frame can rotate on the fixed frame at will; and a plurality of bolt holes are uniformly formed in the outer ring of the fixing frame, and the bolts penetrate through the bolt holes to fix the adjusting air net on the air port. In practical application, the rotating frame can be rotated according to practical requirements to achieve the purpose of adjusting the air intake; when the maximum air inlet amount is needed, the adjusting air net can be detached completely, and the use is very convenient.
The tip of pivot is equipped with bellied knob, makes things convenient for the staff to operate.
The flabellum is wear-resisting ceramic material, possesses the strong characteristics of wearability. The surface of the fan blade is coated with the chromium carbide coating, so that the fan blade has the characteristic of high temperature resistance.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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.
Claims (2)
1. A wear-resistant draught fan is characterized by comprising a shell, a motor, a speed changer, fan blades and a transmission rod, wherein the fan blades and the transmission rod are installed in the shell; the motor drives the fan blades to rotate through the speed changer, so that the rotating speed can be controlled as required, and more energy is saved;
an adjusting air net is arranged at the air inlet through a bolt and comprises a circular fixed frame, a fixed net, a circular rotating frame and a rotating net, and a plurality of metal strips are respectively arranged in the fixed frame and the rotating frame at intervals and uniformly to form the fixed net and the rotating net; a rotating shaft is fixed on the metal strip in the middle of the rotating frame and penetrates through the metal strip in the middle of the fixed frame, so that the rotating frame can rotate on the fixed frame at will; and a plurality of bolt holes are uniformly formed in the outer ring of the fixing frame, and the bolts penetrate through the bolt holes to fix the adjusting air net on the air port.
2. A wear resistant induced draft fan according to claim 1, wherein the ends of the shaft are provided with raised knobs.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922480750.4U CN211422979U (en) | 2019-12-31 | 2019-12-31 | Wear-resistant draught fan |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922480750.4U CN211422979U (en) | 2019-12-31 | 2019-12-31 | Wear-resistant draught fan |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211422979U true CN211422979U (en) | 2020-09-04 |
Family
ID=72246520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922480750.4U Expired - Fee Related CN211422979U (en) | 2019-12-31 | 2019-12-31 | Wear-resistant draught fan |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211422979U (en) |
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2019
- 2019-12-31 CN CN201922480750.4U patent/CN211422979U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210408 Address after: 401120 2-12-4, building D, Longjing garden, 64 Longshan Road, Yubei District, Chongqing Patentee after: Chongqing Rongze Jiayuan ventilation equipment Co.,Ltd. Address before: 401120 2-12-4, building D, 64 Longshan Road, Yubei District, Chongqing Patentee before: Chongqing Rongze fan Co.,Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |
|
CF01 | Termination of patent right due to non-payment of annual fee |