CN219299642U - Centrifugal fan - Google Patents
Centrifugal fan Download PDFInfo
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- CN219299642U CN219299642U CN202320498992.XU CN202320498992U CN219299642U CN 219299642 U CN219299642 U CN 219299642U CN 202320498992 U CN202320498992 U CN 202320498992U CN 219299642 U CN219299642 U CN 219299642U
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- dust screen
- centrifugal fan
- fixedly arranged
- block
- plate
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- 239000000428 dust Substances 0.000 claims abstract description 77
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims 2
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000007789 sealing Methods 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract description 5
- 239000011148 porous material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan, which comprises a frame body, a casing and a mounting assembly, wherein the mounting assembly comprises a sealing gasket, a dust screen, a connecting block, a limiting block, a connecting plate and a moving block, the sealing gasket is detachably connected with the casing and is positioned on one side of the casing far away from the frame body, the dust screen is fixedly arranged on the inner side of the sealing gasket, the connecting block is fixedly arranged on one side of the dust screen close to the casing, the limiting block is slidably connected with the connecting block and is positioned on one side of the connecting block far away from the dust screen, the connecting plate is fixedly arranged on one side of the limiting block far away from the connecting block, the moving block is used for moving the connecting plate up and down, and the dust screen is mounted or dismounted, so that the blocking position of the dust screen can be dredged when a filtering hole of the dust screen is blocked, and the condition that the filtering hole of the dust screen is blocked and the passing rate of air entering the casing from the dust screen can be slowed down is avoided.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fans, and particularly relates to a centrifugal fan.
Background
In grain processing field, centrifugal fan is as a system fan equipment, is widely used in grain stoving and transportation, and current centrifugal fan is when the operation in the more environment of dust and foreign matter in the air, along with the rotation of impeller, dust and foreign matter can be together sucked into centrifugal fan's casing along with the air to easily cause the wearing and tearing of impeller and casing, reduce centrifugal fan's life.
The prior art CN206830526U discloses a centrifugal fan, which comprises a frame body and a shell, and adopts a first dustproof net to filter dust and foreign matters in air entering the shell.
In the long-term use of the dust screen, a large amount of filtered dust and foreign matters can be accumulated on the first dust screen, but the first dust screen cannot be detached, so that the accumulated dust and foreign matters on the first dust screen can block the filter holes of the first dust screen.
Disclosure of Invention
The purpose of the utility model is that: the utility model provides a centrifugal fan aims at can dismantle the dust screen to can dismantle the dust screen when the filtration pore of dust screen blocks up and dredge the jam department of dust screen, in order to avoid the filtration pore of dust screen to be blocked up and can slow down the rate of passing through of the air that enters into the casing from the dust screen.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a centrifugal fan, which comprises a frame body and a machine shell, wherein the machine shell is fixedly arranged on the upper surface of the frame body, the centrifugal fan further comprises a mounting assembly, the mounting assembly comprises a sealing gasket, a dustproof net, a connecting block, a limiting block, a connecting plate and a moving block, the sealing gasket is detachably connected with the machine shell and is positioned on one side of the machine shell far away from the frame body, the dustproof net is fixedly arranged on the inner side of the sealing gasket, the connecting block is fixedly arranged on one side of the dustproof net close to the machine shell, the limiting block is in sliding connection with the connecting block and is positioned on one side of the connecting block far away from the dustproof net, the connecting plate is fixedly arranged on one side of the limiting block far away from the connecting block, and the moving block is used for moving the connecting plate up and down.
The movable block comprises a connecting rod and a pull-out plate, and the connecting rod is fixedly arranged on the upper surface of the connecting plate; the pull-out plate is fixedly arranged at the upper end of the connecting rod.
The movable block comprises a fixed plate and a connecting spring, and the fixed plate is fixedly arranged on the outer side of the shell; the two sides of the connecting spring are fixedly connected with the pull-out plate and the fixing plate respectively, and the connecting spring is sleeved on the outer side of the connecting rod.
The centrifugal fan further comprises a cleaning assembly, and the cleaning assembly is used for cleaning the dust screen.
The cleaning assembly comprises a hydraulic cylinder and a transverse telescopic rod, and the hydraulic cylinder is fixedly arranged on the upper surface of the frame body; the transverse telescopic rod is connected with the output end of the hydraulic cylinder and is positioned at one side of the hydraulic cylinder away from the frame body.
The cleaning assembly comprises an electric cylinder, a vertical telescopic rod and a cleaning brush, wherein the electric cylinder is fixedly arranged at one end of the horizontal telescopic rod, which is far away from the hydraulic cylinder; the vertical telescopic rod is connected with the output end of the electric cylinder and is positioned on the upper surface of the electric cylinder; the cleaning brush is fixedly arranged at the upper end of the vertical telescopic rod.
According to the centrifugal fan, the sealing gasket is detachably connected with the shell and is positioned on one side, far away from the frame body, of the shell, the dustproof net is fixedly arranged on the inner side of the sealing gasket, the connecting block is fixedly arranged on one side, close to the shell, of the dustproof net, the limiting block is slidably connected with the connecting block and is positioned on one side, far away from the dustproof net, of the connecting block, the connecting plate is fixedly arranged on one side, far away from the connecting block, of the limiting block, the moving block is used for moving the connecting plate up and down, and the dustproof net can be detached to dredge a blocking position of the dustproof net when a filtering hole of the dustproof net is blocked, so that the situation that the passing rate of air entering the shell from the dustproof net can be slowed down when the filtering hole of the dustproof net is blocked is avoided.
Drawings
The utility model may be further illustrated by means of non-limiting examples given in the accompanying drawings.
Fig. 1 is a schematic overall structure of a centrifugal fan according to a first embodiment of the present utility model.
Fig. 2 is a schematic cross-sectional view of a centrifugal fan according to a first embodiment of the utility model.
Fig. 3 is an enlarged view at a of fig. 2 of the centrifugal fan of the first embodiment of the utility model.
Fig. 4 is a schematic structural view of a cleaning assembly of a centrifugal fan according to a second embodiment of the present utility model.
In the figure: 101-support body, 102-casing, 103-sealed pad, 104-dust screen, 105-connecting block, 106-stopper, 107-connecting plate, 108-connecting rod, 109-pull out plate, 110-fixed plate, 111-connecting spring, 201-pneumatic cylinder, 202-horizontal telescopic link, 203-electric cylinder, 204-vertical telescopic link, 205-cleaning brush.
Detailed Description
In order that those skilled in the art will better understand the present utility model, the following technical scheme of the present utility model will be further described with reference to the accompanying drawings and examples.
First embodiment
Referring to fig. 1 to 3, fig. 1 is a schematic overall structure of a centrifugal fan according to a first embodiment of the present utility model, fig. 2 is a schematic cross-sectional view of the centrifugal fan according to the first embodiment of the present utility model, and fig. 3 is an enlarged view of fig. 2 a of the centrifugal fan according to the first embodiment of the present utility model.
The utility model provides a centrifugal fan: the device comprises a frame body 101, a machine shell 102 and a mounting assembly, wherein the mounting assembly comprises a sealing gasket 103, a dustproof net 104, a connecting block 105, a limiting block 106, a connecting plate 107 and a moving block, and the moving block comprises a connecting rod 108, a pull-out plate 109, a fixing plate 110 and a connecting spring 111. The problem that the dust and the foreign matters accumulated on the first dust screen 104 can block the filtering holes of the first dust screen 104 due to the fact that the first dust screen 104 cannot be detached through the scheme is solved, and it can be understood that the scheme can be used for solving the problem that the blocking positions of the dust screen 104 are dredged due to the fact that a large amount of filtered dust and foreign matters can be accumulated on the first dust screen 104 in the process of using the dust screen 104 for a long time, and the scheme can be used for detaching the dust screen 104 so that the dust and the foreign matters accumulated on the dust screen 104 block the filtering holes of the dust screen 104.
In this embodiment, the casing 102 is fixedly mounted on the upper surface of the frame 101, the casing 102 is of a hollow structure, and the mounting assembly is located above the frame 101 and is used for dismounting or mounting the dust screen 104, so that the dust screen 104 can be dismounted to dredge the blocking position of the dust screen 104 when the filtering holes of the dust screen 104 are blocked, and the situation that the air passing rate from the dust screen 104 into the casing 102 is slowed down when the filtering holes of the dust screen 104 are blocked is avoided.
The sealing gasket 103 is detachably connected with the shell 102 and is located on one side, far away from the frame 101, of the shell 102, the dustproof net 104 is fixedly installed on the inner side of the sealing gasket 103, the connecting block 105 is fixedly installed on one side, close to the shell 102, of the dustproof net 104, the limiting block 106 is slidably connected with the connecting block 105 and is located on one side, far away from the dustproof net 104, of the connecting block 105, the connecting plate 107 is fixedly installed on one side, far away from the limiting block 106, of the connecting block 105, the moving block is used for moving the connecting plate 107 up and down, the sealing gasket 103 is made of a flexible soft material, the shell 102 is provided with a groove, the dustproof net 104 can be placed on the groove of the shell 102, the groove of the shell 102 is further provided with a groove, the sealing gasket 103 can seal gaps between the shell 102 and the dustproof net 104, filter holes are uniformly distributed on the dustproof net 104, accordingly, the filter holes can be blocked on the shell 104 and the filter holes of the connecting block 104, and the filter holes of the filter net can be blocked by the filter holes of the connecting block 106, and the filter holes of the filter net 106 can be further can be blocked by the filter holes of the filter block 106.
Secondly, the connecting rod 108 is fixedly installed on the upper surface of the connecting plate 107; the pull-out plate 109 is fixedly installed at the upper end of the connecting rod 108, and the pull-out plate 109 is held by a hand and vertically moves the pull-out plate 109, so that the connecting rod 108 is driven to vertically move, and the connecting plate 107 is driven to vertically move.
Again, the fixing plate 110 is fixedly installed at the outer side of the casing 102; the two sides of the connecting spring 111 are fixedly connected with the pull-out plate 109 and the fixing plate 110 respectively, the connecting spring 111 is sleeved on the outer side of the connecting rod 108, the fixing plate 110 is provided with a through hole, the connecting rod 108 penetrates through the through hole of the fixing plate 110, the connecting spring 111 is provided with a damper, when the connecting spring 111 stretches and shakes, the damper on the connecting spring 111 generates damping force for preventing the connecting spring 111 from stretching and shaking, so that the connecting spring 111 can finally stop shaking and does not shake all the time, the pull-out plate 109 is vertically moved to drive the connecting rod 108 to vertically move, and the connecting plate 107 is driven to vertically move, at the moment, the connecting spring 111 stretches and contracts, and when the force applied by the connecting spring 111 disappears, the connecting spring 111 has a self-recovery function, and the connecting spring 111 drives the pull-out plate 109 to move towards the direction of recovering to the original position.
In the use of the present utility model, the pull-out plate 109 is held by hand and the pull-out plate 109 is pushed downward, thereby driving the connection rod 108 to move downward, at this time, the connection spring 111 is compressed, the connection plate 107 is driven to move downward by the downward movement of the connection rod 108, thereby driving the stopper 106 to move downward, and when the connection spring 111 is compressed to the limit position, the gasket 103 is inserted into the groove of the housing 102, so that the dust screen 104 is placed in the slot of the housing 102, and then the pull-out plate 109 is released, so that the compression force applied to the connection spring 111 is removed, and since the connection spring 111 has a self-restoring effect, the connection spring 111 drives the pull-out plate 109 to move toward the restoring position, so that the pull-out plate 109 moves upward, and then drive the connecting rod 108 to move upwards, through the upward movement of the connecting rod 108, drive the connecting plate 107 to move upwards, and then drive the limiting block 106 to move upwards until the limiting block 106 is clamped with the connecting block 105, through clamping the limiting block 106 with the connecting block 105 together, the position of the dust screen 104 on the machine shell 102 is fixed, the dust screen 104 is installed, at this time, the dust screen 104 can filter the air entering the machine shell 102, so that the filtered air passes through the filtering holes of the dust screen 104 and enters the machine shell 102, and the filtered dust and foreign matters are remained on the dust screen 104, when the dust and foreign matters accumulated on the dust screen 104 block the dust screen 104, holding pull-out plate 109 and pushing down pull-out plate 109 drives connecting rod 108 moves down, thereby drives stopper 106 moves down until stopper 106 with the joint state of connecting block 105 is released, and then makes dust screen 104 fixed state on casing 102 is released, later will dust screen 104 takes out from in the casing 102, thereby can realize dismantling dust screen 104, through installing or dismantling dust screen 104, thereby can dismantle dust screen 104 when the filtration pore of dust screen 104 blocks up and dredges the jam department of dust screen 104, and then avoided the filtration pore of dust screen 104 is blockked up and can slow down the condition of the air passing rate of entering into in the casing 102 from dust screen 104.
Second embodiment
Referring to fig. 4, fig. 4 is a schematic structural diagram of a cleaning assembly of a centrifugal fan according to a second embodiment of the present utility model. The centrifugal fan of the present utility model further comprises a cleaning assembly comprising a hydraulic cylinder 201, a lateral telescopic rod 202, an electric cylinder 203, a vertical telescopic rod 204 and a cleaning brush 205, on the basis of the first embodiment.
The cleaning component is arranged above the frame body 101, and is arranged, so that the cleaning component can clean dust and foreign matters filtered out of the dust screen 104 when the dust screen 104 is used, and the speed of blocking the filtering holes of the dust screen 104 can be slowed down.
The hydraulic cylinder 201 is fixedly installed on the upper surface of the frame 101; the lateral expansion link 202 is connected with the output end of the hydraulic cylinder 201 and is located at one side of the hydraulic cylinder 201 away from the frame 101, and the output end of the hydraulic cylinder 201 is connected with the lateral expansion link 202 and drives the lateral expansion link 202 to expand and contract.
The electric cylinder 203 is fixedly arranged at one end of the transverse telescopic rod 202 far away from the hydraulic cylinder 201; the vertical telescopic rod 204 is connected with the output end of the electric cylinder 203 and is positioned on the upper surface of the electric cylinder 203; the cleaning brush 205 is fixedly installed at the upper end of the vertical telescopic rod 204, the output end of the electric cylinder 203 is connected with the vertical telescopic rod 204, and drives the vertical telescopic rod 204 to stretch and retract, so that the cleaning brush 205 is driven to move vertically.
The electric cylinder 203 is started, so that the power output by the output end of the electric cylinder 203 drives the vertical telescopic rod 204 to stretch out and draw back, thereby driving the cleaning brush 205 to vertically move, the hydraulic cylinder 201 is started, so that the power output by the output end of the hydraulic cylinder 201 drives the horizontal telescopic rod 202 to stretch out and draw back, thereby driving the electric cylinder 203 to horizontally move, and further driving the cleaning brush 205 to horizontally move, and the vertical movement of the cleaning brush 205 is combined, so that the cleaning brush 205 can clean dust and foreign matters filtered at any position on the dust screen 104 when the dust screen 104 is used, and further the speed that the filtering holes of the dust screen 104 are blocked can be slowed down.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims of this utility model, which are within the skill of those skilled in the art, can be made without departing from the spirit and scope of the utility model disclosed herein.
Claims (6)
1. The centrifugal fan comprises a frame body and a shell, wherein the shell is fixedly arranged on the upper surface of the frame body,
still include installation component, installation component includes sealed pad, dust screen, connecting block, stopper, connecting plate and movable block, sealed pad with the casing is dismantled and is connected, and is located the casing is kept away from one side of support body, dust screen fixed mounting is in the inboard of sealed pad, connecting block fixed mounting is in the dust screen is close to one side of casing, the stopper with connecting block sliding connection, and be located the connecting block is kept away from one side of dust screen, connecting plate fixed mounting is in the stopper is kept away from one side of connecting block, the movable block is used for reciprocate the connecting plate.
2. The centrifugal fan of claim 1, wherein,
the moving block comprises a connecting rod and a pull-out plate, and the connecting rod is fixedly arranged on the upper surface of the connecting plate; the pull-out plate is fixedly arranged at the upper end of the connecting rod.
3. The centrifugal fan according to claim 2, wherein,
the movable block comprises a fixed plate and a connecting spring, and the fixed plate is fixedly arranged on the outer side of the shell; the two sides of the connecting spring are fixedly connected with the pull-out plate and the fixing plate respectively, and the connecting spring is sleeved on the outer side of the connecting rod.
4. The centrifugal fan of claim 1, wherein,
the centrifugal fan further comprises a cleaning assembly, wherein the cleaning assembly is used for cleaning the dust screen.
5. The centrifugal fan of claim 4, wherein,
the cleaning assembly comprises a hydraulic cylinder and a transverse telescopic rod, and the hydraulic cylinder is fixedly arranged on the upper surface of the frame body; the transverse telescopic rod is connected with the output end of the hydraulic cylinder and is positioned at one side of the hydraulic cylinder away from the frame body.
6. The centrifugal fan according to claim 5, wherein,
the cleaning assembly comprises an electric cylinder, a vertical telescopic rod and a cleaning brush, wherein the electric cylinder is fixedly arranged at one end of the transverse telescopic rod, which is far away from the hydraulic cylinder; the vertical telescopic rod is connected with the output end of the electric cylinder and is positioned on the upper surface of the electric cylinder; the cleaning brush is fixedly arranged at the upper end of the vertical telescopic rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320498992.XU CN219299642U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320498992.XU CN219299642U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219299642U true CN219299642U (en) | 2023-07-04 |
Family
ID=86956827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320498992.XU Active CN219299642U (en) | 2023-03-15 | 2023-03-15 | Centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219299642U (en) |
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2023
- 2023-03-15 CN CN202320498992.XU patent/CN219299642U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231220 Address after: No. 93, Group 5, Huachuan Village, Huangjian Town, Tinghu District, Yancheng City, Jiangsu Province (20) Patentee after: Yancheng Guojie Machinery Co.,Ltd. Address before: 224332 southeast industrial concentration area, Yandong Town, Tinghu District, Yancheng City, Jiangsu Province (19) Patentee before: Jiangsu leichen Environmental Protection Technology Co.,Ltd. |