CN220204158U - Dustproof centrifugal fan - Google Patents
Dustproof centrifugal fan Download PDFInfo
- Publication number
- CN220204158U CN220204158U CN202321686064.2U CN202321686064U CN220204158U CN 220204158 U CN220204158 U CN 220204158U CN 202321686064 U CN202321686064 U CN 202321686064U CN 220204158 U CN220204158 U CN 220204158U
- Authority
- CN
- China
- Prior art keywords
- groove
- side wall
- outer side
- dust removing
- air inlet
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 58
- 241000886569 Cyprogenia stegaria Species 0.000 claims abstract description 23
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000003825 pressing Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a dustproof centrifugal fan, which comprises a fan shell, wherein an air outlet is formed in the upper part of the fan shell, a motor is arranged on one side of the fan shell, an air inlet is formed in the other side of the fan shell, an air inlet pipe is arranged at the air inlet, a dust removing net is arranged in the air inlet pipe, a groove with an outward opening is formed in the side wall of the air inlet pipe along the axial direction, a compression spring is arranged at the bottom of the groove, and a first through hole is radially formed in the outer side wall of the groove; the dust removing net comprises a frame and a net body arranged in the frame, a sliding rod is arranged at the edge of the frame, a second through hole matched with the first through hole is formed in the sliding rod, the dust removing net slides in the groove through the sliding rod, and the sliding rod is propped against the compression spring and is fixed through a pin shaft penetrating through the first through hole and the second through hole. The dust screen fixing mechanism is simple in arrangement, stable in fixing, and capable of conveniently and rapidly disassembling and installing the dust screen, and efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a dustproof centrifugal fan.
Background
The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, is a driven fluid machine, and is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and ventilation and air induction of boilers and industrial furnaces and kilns.
When the centrifugal fan works in an environment with more dust, the dust can be sucked into the inner cavity of the fan under the rotation of the fan impeller, so that the fan blades are worn. The air intake at the fan is provided with the dust screen at present for filter dust removal, but most dust screen is through bolted connection on the fan, bolted connection is dismantled and the installation although can be convenient, but still spends longer time, also has the dust screen of convenient quick dismantlement structure of design, if the application number is 202122765381.0, the patent of a dustproof centrifugal fan of name, this patent can release the spacing of locking subassembly to fixed frame through stirring the piece, do benefit to people to remove the clearance or change with dustproof filter screen, but the structure in this patent is comparatively complicated, and the processing manufacturing of relevant part is also comparatively loaded down with trivial details.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the dustproof centrifugal fan, which has simple fixing structure setting of the dust removing net and can conveniently and rapidly detach and install the dust removing net.
The technical scheme adopted by the utility model is as follows: the dustproof centrifugal fan comprises a fan shell, wherein an air outlet is formed in the upper portion of the fan shell, a motor is arranged on one side of the fan shell, an air inlet is formed in the other side of the fan shell, an air inlet pipe is arranged at the air inlet, a dust removing net is arranged in the air inlet pipe, a groove with an outward opening is formed in the side wall of the air inlet pipe along the axial direction, a compression spring is arranged at the bottom of the groove, and a through hole I is radially formed in the outer side wall of the groove; the dust removing net comprises a frame and a net body arranged in the frame, a sliding rod is arranged at the edge of the frame, a second through hole matched with the first through hole is formed in the sliding rod, the dust removing net slides in the groove through the sliding rod, and the sliding rod is propped against the compression spring and is fixed through a pin shaft penetrating through the first through hole and the second through hole.
As the preference of this technical scheme, the length of the lateral wall of recess is greater than the length of the inside wall of recess, and the inboard of dust removal net supports to press on the inside wall of recess, and the bottom of the recess lateral wall in the dust removal net outside sets up the mouth that gathers dust, gathers dust the mouth and is connected with the pipe that gathers dust.
As the preference of this technical scheme, the length of the lateral wall of recess is greater than the length of the inside wall of recess, and the inboard of dust removal net supports to press on the inside wall of recess, the outside of dust removal net and recess lateral wall tip parallel and level.
As the optimization of the technical scheme, the handle for taking the dust removing net is arranged on the outer side face of the frame of the dust removing net.
As the optimization of this technical scheme, the slide bar set up a plurality ofly, the symmetry locates the edge of frame, and the corresponding through-hole of recess lateral wall is first and the round pin axle sets up a plurality ofly.
Preferably, the end part of the sliding rod propping compression spring is provided with a propping plate.
Preferably, the outer end of the outer side wall of the groove is provided with a pressing plate, and the pressing plate is rotationally connected to the outer end through a fixing pin.
As the preference of this technical scheme, the one end that the air-supply line was towards the fan casing sets up flange one, and the air intake department of fan casing sets up flange two, and the air-supply line passes through flange one and flange two to be connected on the fan casing.
After the structure is adopted, compared with the prior art, the dustproof centrifugal fan is simple in dustproof net fixing mechanism, stable in fixing, capable of conveniently and rapidly disassembling and installing the dustproof net, and capable of improving efficiency.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of another embodiment of the present utility model.
Fig. 3 is a side view of the present utility model.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-3, the dustproof centrifugal fan provided by the utility model comprises a fan shell 1, wherein an air outlet 1.1 is formed in the upper part of the fan shell 1, a motor 2 is arranged on one side of the fan shell 1, an output shaft of the motor 2 stretches into an inner connection impeller of the fan shell 1, an air inlet is formed in the other side of the fan shell 1, an air inlet pipe 3 is arranged at the air inlet, a dust removing net 4 is arranged in the air inlet pipe 3, a groove 3.1 with an outward opening is formed in the side wall of the air inlet pipe 3 along the axial direction, a compression spring 7 is arranged at the bottom of the groove 3.1, one end of the air inlet pipe 3 far away from the fan shell 1 is the outer end, the bottom of the groove 3.1 is close to one end of the fan shell 1, a through hole I is radially formed in the outer side wall of the groove 3.1, and the radial direction of the air inlet pipe 3 is the radial direction; the dust removing net 4 comprises a frame 4.1 and a net body 4.2 arranged in the frame 4.1, a sliding rod 5 is arranged at the edge of the frame 4.1, a through hole II which is matched with the through hole I is arranged on the sliding rod 5, namely, the diameter of the through hole II is identical to that of the through hole I, the axial direction of the through hole II is also the radial direction of the air inlet pipe 3, the dust removing net 4 slides in the groove 3.1 through the sliding rod 5, and the sliding rod 5 props against the compression spring 7 and is fixed through a pin shaft which penetrates through the through hole I and the through hole II.
In the concrete implementation of the utility model, the groove 3.1 can be formed on the side wall of the air inlet pipe 3, and can also be formed by an independent outer wall, an independent inner wall and an independent groove bottom cushion block, the dust screen 4 is arranged on the air inlet pipe 3 according to the structure of the air inlet pipe 3, one of the two forms is that the length of the outer side wall of the groove 3.1 is larger than that of the inner side wall of the groove 3.1, the inner side of the dust screen 4 is propped against the inner side wall of the groove 3.1, the bottom of the outer side wall of the groove 3.1 at the outer side of the dust screen 4 is provided with a dust collection port, the dust collection port is connected with a dust collection pipe 14, one side of the dust screen 4 facing the fan shell 1 is the inner side, the opposite side is the outer side, and the thickness of the dust screen 4 is smaller than the difference between the lengths of the outer side wall and the inner side wall of the groove. In another form, the length of the outer side wall of the groove 3.1 is greater than that of the inner side wall of the groove 3.1, the inner side of the dust removing net 4 is propped against the inner side wall of the groove 3.1, and the outer side of the dust removing net 4 is flush with the end part of the outer side wall of the groove, namely, the thickness of the dust removing net 4 is equal to the difference between the lengths of the outer side wall and the inner side wall of the groove.
In the concrete implementation of the utility model, the handle 13 for taking the dust removing net is arranged on the outer side surface of the frame 4.1 of the dust removing net 4, and the handle 13 is arranged to conveniently perform related operation on the dust removing net 4 outside the air inlet pipe 3. The number of the sliding rods 5 on the frame 4.1 of the dust screen 4 is plural, the sliding rods 5 are symmetrically arranged at the edge of the frame 4.1, the corresponding through holes I and pin shafts on the outer side wall of the groove are plural, in this embodiment, the number of the sliding rods 5 is four, and the sliding rods 5 are symmetrically arranged in pairs. The end part of the sliding rod 5 propping compression spring 7 is provided with a propping plate 6, the propping plate 6 extends along the radial direction of the air inlet pipe 3, and the length is smaller than the width of the groove 3.1, so that the sliding rod can conveniently move in the groove 3.1.
The outer end part of the outer side wall of the groove 3.1 is provided with the pressing plate 9, the pressing plate 9 is rotatably connected to the outer end part through the fixing pin 10, the pressing plate 9 can rotate between the inside and the outside of the air inlet pipe 3, the pressing plate 9 rotates into the air inlet pipe 3 to press the dust screen 4 during installation, and the pressing plate rotates out of the air inlet pipe 3 during disassembly, and the dust screen 4 is pulled out through the handle 13. One end of the air inlet pipe 3, which faces the fan shell 1, is provided with a first flange 11, the air inlet of the fan shell 1 is provided with a second flange 12, and the air inlet pipe 3 is connected to the fan shell 1 through the first flange 11 and the second flange 12.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a dustproof centrifugal fan, includes the fan casing, the upper portion of fan casing sets up the air outlet, and one side of fan casing sets up the motor, and the opposite side of fan casing sets up the air intake, and air intake department sets up the air-supply line, sets up dust removal net, its characterized in that in the air-supply line: a groove with an outward opening is formed in the side wall of the air inlet pipe along the axial direction, a compression spring is arranged at the bottom of the groove, and a first through hole is radially formed in the outer side wall of the groove; the dust removing net comprises a frame and a net body arranged in the frame, a sliding rod is arranged at the edge of the frame, a second through hole matched with the first through hole is formed in the sliding rod, the dust removing net slides in the groove through the sliding rod, and the sliding rod is propped against the compression spring and is fixed through a pin shaft penetrating through the first through hole and the second through hole.
2. The dustproof centrifugal fan according to claim 1, wherein: the length of the outer side wall of the groove is greater than that of the inner side wall of the groove, the inner side of the dust removing net is propped against the inner side wall of the groove, a dust collecting port is arranged at the bottom of the outer side wall of the groove at the outer side of the dust removing net, and the dust collecting port is connected with a dust collecting pipe.
3. The dustproof centrifugal fan according to claim 1, wherein: the length of the outer side wall of the groove is greater than that of the inner side wall of the groove, the inner side of the dust removing net is propped against the inner side wall of the groove, and the outer side of the dust removing net is flush with the end part of the outer side wall of the groove.
4. A dustproof centrifugal fan according to claim 2 or 3, wherein: the outer side surface of the frame of the dust removing net is provided with a handle for taking the dust removing net.
5. A dustproof centrifugal fan according to claim 2 or 3, wherein: the sliding rods are arranged in a plurality, are symmetrically arranged at the edge of the frame, and are arranged in a plurality of through holes I and pin shafts corresponding to the outer side walls of the grooves.
6. The dustproof centrifugal fan according to claim 4, wherein: the end part of the sliding rod propping compression spring is provided with a propping plate.
7. A dustproof centrifugal fan according to claim 3, wherein: the outer side end part of the outer side wall of the groove is provided with a pressing plate, and the pressing plate is rotationally connected to the outer side end part through a fixing pin.
8. The dustproof centrifugal fan according to claim 1, wherein: the air inlet pipe is arranged at one end, facing the fan shell, of the fan shell, the flange I is arranged at the air inlet of the fan shell, and the air inlet pipe is connected to the fan shell through the flange I and the flange II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686064.2U CN220204158U (en) | 2023-06-30 | 2023-06-30 | Dustproof centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321686064.2U CN220204158U (en) | 2023-06-30 | 2023-06-30 | Dustproof centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204158U true CN220204158U (en) | 2023-12-19 |
Family
ID=89155902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321686064.2U Active CN220204158U (en) | 2023-06-30 | 2023-06-30 | Dustproof centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204158U (en) |
-
2023
- 2023-06-30 CN CN202321686064.2U patent/CN220204158U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20110004911U (en) | bearing housing | |
| CN220204158U (en) | Dustproof centrifugal fan | |
| CN218672680U (en) | Impeller disc structure and centrifugal hot air engine | |
| CN206368831U (en) | VPSA atm number centrifugal vacuum pumps | |
| CN213744146U (en) | Centrifugal fan volute convenient to dismantle installation | |
| CN106351857A (en) | Novel dust removing centrifugal fan | |
| CN210769374U (en) | Centrifugal fan | |
| CN220487893U (en) | Multi-wing centrifugal fan | |
| CN220365773U (en) | Multistage centrifugal blower | |
| CN217926384U (en) | High-pressure fan | |
| RU2640894C1 (en) | Centrifugal blower | |
| CN219605556U (en) | Roots blower with multistage sectional shell | |
| CN219809154U (en) | Noise reduction fan convenient to maintain | |
| CN218509799U (en) | Water pump convenient to dismantle | |
| CN1323805C (en) | Pin gear rotor and block fluid transportation apparatus | |
| CN216381886U (en) | Built-in ring pump that can dismantle screen cloth | |
| CN220687695U (en) | Fan for air source heat pump | |
| CN213953937U (en) | Centrifugal fan for industrial ventilation | |
| CN219012921U (en) | High-air-quantity single-screw fan | |
| CN219081902U (en) | Dustproof rotor of molecular pump | |
| CN217401190U (en) | Multistage fan with remote touch screen control mechanism | |
| CN219139489U (en) | Fan for cement production | |
| CN218760493U (en) | Multistage centrifugal blower | |
| CN211874822U (en) | Shell for centrifugal fan | |
| CN212563727U (en) | Inlet plate type filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |