CN219911181U - Centrifugal fire control smoke exhaust fan - Google Patents
Centrifugal fire control smoke exhaust fan Download PDFInfo
- Publication number
- CN219911181U CN219911181U CN202320101694.2U CN202320101694U CN219911181U CN 219911181 U CN219911181 U CN 219911181U CN 202320101694 U CN202320101694 U CN 202320101694U CN 219911181 U CN219911181 U CN 219911181U
- Authority
- CN
- China
- Prior art keywords
- centrifugal
- smoke exhaust
- centrifugal fan
- fan body
- mounting frame
- Prior art date
- 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.)
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Links
- 239000000779 smoke Substances 0.000 title claims abstract description 27
- 239000002893 slag Substances 0.000 claims abstract description 7
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 238000013016 damping Methods 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 241000883990 Flabellum Species 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 abstract description 19
- 239000000428 dust Substances 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 8
- 238000003756 stirring Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model belongs to the field of centrifugal smoke exhaust fans, and discloses a centrifugal fire smoke exhaust fan, which comprises a bottom plate and a centrifugal fan body, wherein the bottom plate is connected with the centrifugal fan body, the centrifugal fan body comprises an air outlet and an air inlet, the centrifugal fan body is connected with a filtering device, the filtering device comprises a mounting frame, the mounting frame is connected with a filter screen, the mounting frame is connected with a fixed slide bar, the fixed slide bar is connected with a cleaning plate, the two fixed slide bars are arranged, the mounting frame is connected with a mounting frame, the mounting frame is connected with a rotating shaft, the rotating shaft is connected with fan blades, the rotating shaft is connected with a rotating rod, the rotating rod is connected with a toggle rod, the cleaning plate is provided with a sliding groove, the toggle rod is positioned at the inner side of the sliding groove, and the mounting frame is provided with a slag hole; by adopting the technical scheme, dust or impurities attached to the filter screen can be cleaned in time, the filter screen is prevented from being blocked by the return dust and the like attached to the filter screen, the ventilation efficiency of the smoke exhaust fan is improved, and the smoke exhaust effect is improved.
Description
Technical Field
The utility model relates to the field of centrifugal smoke exhaust fans, in particular to a centrifugal fire-fighting smoke exhaust fan.
Background
The smoke exhaust fan is a machine which can rapidly exhaust peculiar smell and high-temperature gas generated in the process of flame operation or disaster generated by flame in life, and the centrifugal smoke exhaust fan is often applied to fire protection.
The fan blade of the existing centrifugal smoke exhaust fan and the device are integrated, dust, impurities and the like in air are prevented from entering the ventilating duct through the air inlet of the centrifugal fan, a filter screen is added at the air inlet of the centrifugal fan, but the existing centrifugal fan cannot clean dust or impurities on the filter screen timely, the dust or impurities are attached to the filter screen due to strong suction force generated by the centrifugal fan, the filter screen is blocked, and the ventilating efficiency of the centrifugal fan is affected, so that the centrifugal smoke exhaust fan is inconvenient to use.
Disclosure of Invention
The utility model aims to provide a centrifugal fire-fighting smoke exhaust fan, which aims to solve the problem that the existing smoke exhaust fan is inconvenient to timely remove dust attached to a filter screen.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a centrifugal fire control smoke exhaust fan, includes bottom plate and centrifugal fan body, the bottom plate is connected with centrifugal fan body, centrifugal fan body includes air outlet and air intake, centrifugal fan body coupling has filter equipment, filter equipment includes the installing frame, the installing frame is connected with centrifugal fan body, the installing frame is located the air intake outside, the installing frame is connected with the filter screen, the installing frame is connected with fixed slide bar, fixed slide bar is connected with the clean board, fixed slide bar is equipped with two, clean board and two the equal sliding connection of fixed slide bar, clean board is contradicted with the filter screen, the installing frame is connected with the mounting bracket, the mounting bracket is connected with the axis of rotation, the axis of rotation is connected with the flabellum, the one end that the flabellum was not connected to the axis of rotation is connected with the dwang, the dwang is connected with the toggle lever, the clean board is equipped with the sliding tray, the toggle lever is located the sliding tray inboard, the installing frame is equipped with the slag hole.
Preferably, the mounting frames are provided with two groups, and the two groups of mounting frames are symmetrically arranged about the center line of the rotating shaft.
Preferably, the toggle rod is rotationally connected with the rotating rod.
Preferably, the bottom plate is connected with a spring damping shock absorber, the centrifugal fan body is connected with a fixing frame, and the free end of the spring damping shock absorber is connected with the fixing frame.
Preferably, the fan blade is in threaded connection with the rotating shaft.
Compared with the prior art, the technical scheme has the beneficial effects that:
(1) This technical scheme has set up the cleaning plate, and exhaust fan is gaseous from the installing frame entering air intake when carrying out the extraction, and gaseous flow can drive the flabellum and rotate and then drive the axis of rotation and rotate, drives the poking rod through the dwang and rotates and can drive the cleaning plate reciprocating motion from top to bottom, and then in time clear up attached dust or impurity on the filter screen, avoids attaching such as return dust to block up the filter screen on the filter screen, improves exhaust fan's ventilation efficiency, improves the effect of discharging fume, facilitates the use.
(2) According to the technical scheme, the two groups of mounting frames are arranged, so that the stability of the rotating shaft is enhanced, the rotating shaft is prevented from being deviated under the action of wind force, and further, the poking rod can always keep a good sliding connection relation with the sliding groove, and the moving stability of the cleaning plate is enhanced; the poking rod is rotationally connected with the rotating rod, so that friction force between the movement of the poking rod and the side wall of the sliding groove is reduced, the service lives of the poking rod and the cleaning plate are prolonged, and the moving flow of the cleaning plate is improved; the fan blade is in threaded connection with the rotating shaft, so that the fan blade is conveniently taken down to be replaced or cleaned, and the situation that the whole installation frame is required to be replaced when the fan is damaged by heat is avoided.
Drawings
FIG. 1 is a front view of a centrifugal fan of the present utility model without a mounting frame attached;
FIG. 2 is a right side cross-sectional view of the present utility model;
FIG. 3 is an enlarged view of FIG. 1 at A;
FIG. 4 is a front cross-sectional view of a turning lever according to the present utility model;
FIG. 5 is a rear cross-sectional view of the present utility model at a rotational axis;
reference numerals: the centrifugal fan comprises a centrifugal fan body 1, an air inlet 2, a fixing frame 3, a spring damping shock absorber 4, a bottom plate 5, an air outlet 6, a mounting frame 7, a cleaning plate 8, a rotating rod 9, fan blades 10, a rotating shaft 11, a fixed sliding rod 12, a mounting frame 13, a slag discharging hole 14, a filter screen 15, a poking rod 16 and a sliding groove 17.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and embodiments:
the centrifugal fire-fighting smoke exhaust fan comprises a bottom plate 5 and a centrifugal fan body 1, wherein the bottom plate 5 is connected with a spring damping shock absorber 4, the centrifugal fan body 1 is connected with a fixing frame 3, the free end of the spring damping shock absorber 4 is connected with the fixing frame 3, vibration of the centrifugal fan body 1 during working is reduced through the spring damping shock absorber 4, and the use stability of the device is improved; the centrifugal fan body 1 comprises an air outlet 6 and an air inlet 2, the centrifugal fan body 1 is connected with a filtering device, the filtering device comprises a mounting frame 7, the mounting frame 7 is connected with the centrifugal fan body 1 through bolts, the mounting frame 7 is positioned at the front side of the air inlet 2, the mounting frame 7 is connected with a filter screen 15, the mounting frame 7 is connected with fixed slide bars 12, the fixed slide bars 12 are connected with a cleaning plate 8, the cleaning plate 8 is positioned at the front side of the filter screen 15, the two fixed slide bars 12 are arranged, the two fixed slide bars 12 are symmetrically arranged on the left side and right side of the central line of the mounting frame 7, the cleaning plate 8 is in sliding connection with the two fixed slide bars 12, and the cleaning plate 8 is in collision with the filter screen 15; the installation frame 7 is connected with the installation frame 13, the installation frame 13 is rotationally connected with the rotation shaft 11, the rotation shaft 11 is positioned at the front side of the cleaning plate 8, the installation frame 13 is provided with two groups, the two groups of installation frames 13 are symmetrically arranged about the central line of the rotation shaft 11, the rotation shaft 11 is rotationally connected with the two groups of installation frames 13, the stability of the rotation shaft 11 is enhanced through the two groups of installation frames 13, the rotation shaft 11 is prevented from being deviated under the action of wind force, and further the poking rod 16 can always keep a good sliding connection relationship with the sliding groove 17, so that the moving stability of the cleaning plate 8 is enhanced; the rotating shaft 11 is connected with a fan blade 10, and the fan blade 10 is in threaded connection with the rotating shaft 11; one end of the rotating shaft 11, which is not connected with the fan blade 10, is connected with a rotating rod 9, the rotating rod 9 is rotationally connected with a poking rod 16, the cleaning plate 8 is provided with a sliding groove 17, the poking rod 16 is positioned on the inner side of the sliding groove 17, the poking rod 16 is matched with the sliding groove 17 and is in sliding connection with the sliding groove 17, the poking rod 16 can slide along the sliding groove 17, the mounting frame 7 is provided with a slag discharging hole 14, and the slag discharging hole 14 is positioned at the bottom of the filter screen 15.
The centrifugal fan body 1 further comprises a motor, an impeller and the like, and the structure of the centrifugal fan body 1 and the working principle thereof are known in the technical field in the prior art, and are not described in detail herein.
The specific implementation process is as follows:
the centrifugal fan body 1 is started to work, the centrifugal fan body 1 sucks smoke and the like from the air inlet 2, the smoke is discharged from the air outlet 6 after being pressurized, when the smoke enters the air inlet 2, the smoke passes through the mounting frame 7 and then flows into the air inlet 2 to enter the centrifugal fan body 1, flowing air flows into the mounting frame 7 from front to back, the fan blades 10 are driven to rotate to drive the rotating shaft 11 to rotate so as to drive the rotating rod 9 to rotate, the rotating rod 9 is driven to rotate to drive the stirring rod 16 to rotate by taking the axis of the rotating shaft 11 as an axis, the stirring rod 16 is positioned in the sliding groove 17 and is in sliding connection with the sliding groove 17, the two fixed sliding rods 12 are mutually matched to limit the cleaning plate 8, the limiting plate can only move up and down along with the fixed sliding rods 12, the stirring rod 16 moves in the sliding groove 17 and drives the cleaning plate 8 to move up and down along with the stirring rod 16 to rotate the cleaning plate 8, impurities and dust on the filter screen 15 are scraped, and the scraped dust or impurities have the slag discharging holes 14 to discharge the mounting frame 7.
According to the technical scheme, the fan blades 10 are driven to rotate through air flow so as to drive the rotating shaft 11 to rotate, the rotating rod 9 drives the poking rod 16 to rotate so as to drive the cleaning plate 8 to reciprocate up and down, dust or impurities attached to the filter screen 15 are further cleaned in time, dust return and the like are prevented from being attached to the filter screen 15 to block the filter screen 15, the ventilation efficiency of the smoke exhaust fan is improved, the smoke exhaust effect is improved, the use is convenient, the filter screen 15 is not required to be cleaned manually, the labor intensity is reduced, and the practicability is greatly improved.
The foregoing is merely exemplary of the present utility model, and specific technical solutions and/or features that are well known in the art have not been described in detail herein. It should be noted that, for those skilled in the art, several variations and modifications can be made without departing from the technical solution of the present utility model, and these should also be regarded as the protection scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the practical applicability of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. A centrifugal fire control smoke exhaust fan, its characterized in that: including bottom plate (5) and centrifugal fan body (1), bottom plate (5) are connected with centrifugal fan body (1), centrifugal fan body (1) are including air outlet (6) and air intake (2), centrifugal fan body (1) are connected with filter equipment, filter equipment includes installing frame (7), installing frame (7) are connected with centrifugal fan body (1), installing frame (7) are located air intake (2) outside, installing frame (7) are connected with filter screen (15), installing frame (7) are connected with fixed slide bar (12), fixed slide bar (12) are connected with clean board (8), fixed slide bar (12) are equipped with two, clean board (8) and two equal sliding connection of fixed slide bar (12), clean board (8) are contradicted with filter screen (15), installing frame (7) are connected with mounting bracket (13), mounting bracket (13) are connected with axis of rotation (11), axis of rotation (11) are connected with flabellum (10), axis of rotation (11) are connected with fixed slide bar (12), clean board (16) are connected with blade (9) in a connecting way, the toggle rod (16) is positioned at the inner side of the sliding groove (17), and the mounting frame (7) is provided with a slag discharging hole (14).
2. The centrifugal fire smoke exhaust fan according to claim 1, wherein: the mounting frames (13) are provided with two groups, and the two groups of mounting frames (13) are symmetrically arranged about the center line of the rotating shaft (11).
3. The centrifugal fire smoke exhaust fan according to claim 1, wherein: the toggle rod (16) is rotationally connected with the rotating rod (9).
4. The centrifugal fire smoke exhaust fan according to claim 1, wherein: the centrifugal fan is characterized in that the bottom plate (5) is connected with a spring damping shock absorber (4), the centrifugal fan body (1) is connected with a fixing frame (3), and the free end of the spring damping shock absorber (4) is connected with the fixing frame (3).
5. The centrifugal fire smoke exhaust fan according to claim 1, wherein: the fan blades (10) are in threaded connection with the rotating shaft (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101694.2U CN219911181U (en) | 2023-02-02 | 2023-02-02 | Centrifugal fire control smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320101694.2U CN219911181U (en) | 2023-02-02 | 2023-02-02 | Centrifugal fire control smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219911181U true CN219911181U (en) | 2023-10-27 |
Family
ID=88431379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320101694.2U Active CN219911181U (en) | 2023-02-02 | 2023-02-02 | Centrifugal fire control smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219911181U (en) |
-
2023
- 2023-02-02 CN CN202320101694.2U patent/CN219911181U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |