CN112377461A - Novel high-pressure centrifugal fan - Google Patents
Novel high-pressure centrifugal fan Download PDFInfo
- Publication number
- CN112377461A CN112377461A CN202011268202.6A CN202011268202A CN112377461A CN 112377461 A CN112377461 A CN 112377461A CN 202011268202 A CN202011268202 A CN 202011268202A CN 112377461 A CN112377461 A CN 112377461A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- fan
- fixedly connected
- centrifugal fan
- slide rail
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a novel high-pressure centrifugal fan which comprises a fan shell, wherein an air inlet and an air outlet are formed in the fan shell, the upper surface of the air inlet is movably connected with a dustproof cover, a through hole is formed in the surface of the dustproof cover, the inner side wall of the dustproof cover is rotatably connected with four cover plates through pin shafts, the cover plates are jointly and rotatably connected with a movable plate through the pin shafts, the outer side wall of the fan shell is fixedly connected with a slide rail, a slide groove is formed in the slide rail, a sleeve is slidably connected in the slide groove, the upper surface of the sleeve is fixedly connected with a support rod, one end, far away from the sleeve, of the support rod is fixedly connected with a cleaning plate, the inner. According to the invention, the movable plate is arranged, so that the air inlet is opened and closed, the internal blockage of the fan is avoided, the service life is not influenced, and the surface of the cover plate is cleaned by arranging the threaded rod and the sleeve.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a novel high-pressure centrifugal fan.
Background
The centrifugal fan is composed of a casing, a main shaft, an impeller, a bearing transmission mechanism, a motor and the like, is a machine for improving gas pressure and discharging gas by means of input mechanical energy, is a driven fluid machine, has wide application, and can be used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and sorting of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like. The air inlet of the existing high-pressure centrifugal fan is not provided with a dustproof structure, so that a large amount of dust and foreign matters enter the centrifugal fan, the blockage is caused, the air outlet efficiency is influenced, the machine is easily damaged, and the centrifugal fan is very troublesome to disassemble and clean, so that the dust can be prevented from entering the interior of the centrifugal fan by arranging a dustproof cover and a cleaning mechanism, and the working efficiency of the centrifugal fan is improved.
Disclosure of Invention
The invention aims to solve the problem that foreign matters are easy to absorb into a high-pressure centrifugal fan in the prior art, and provides a novel high-pressure centrifugal fan with a covering function.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel high-pressure centrifugal fan, includes the fan casing, air intake and air outlet have been seted up in the fan casing, the upper surface swing joint of air intake has the shield, the through-hole has been seted up on the surface of shield, the inside wall of shield is rotated through the round pin axle and is connected with four apron, the apron rotates jointly through the round pin axle and is connected with the movable plate, the lateral wall fixedly connected with slide rail of fan casing, the spout has been seted up in the slide rail, sliding connection has the sleeve in the spout, telescopic last fixed surface is connected with the bracing piece, telescopic one end fixedly connected with cleaning plate is kept away from to the bracing piece, the inside wall of slide rail rotates and is connected with.
Preferably, the inner side wall of the slide rail is provided with a graphite coating material.
Preferably, a handle is arranged outside the moving plate.
Preferably, the threaded rod is rotatably connected with the sliding rail through a bearing, and one end of the threaded rod, which is positioned outside the pulley, is fixedly connected with a knob.
Preferably, the lower surface of the cleaning plate is provided with a sponge.
The invention has the following advantages: through setting up the movable plate, drive the apron and rotate, realize opening and closing of air intake, avoid the foreign matter to get into the inside jam that causes of fan, influence fan life to through setting up threaded rod and sleeve, realize the cleanness to the surface of apron.
Drawings
Fig. 1 is a schematic structural diagram of a novel high-pressure centrifugal fan provided by the invention;
fig. 2 is a schematic view of an internal structure of a novel high-pressure centrifugal fan provided by the invention;
fig. 3 is a schematic top view of a novel high-pressure centrifugal fan according to the present invention.
In the figure: 1 dust cap, 2 apron, 3 movable plates, 4 slide rails, 5 spouts, 6 sleeves, 7 bracing pieces, 8 cleaning plates, 9 threaded rods, 10 knobs, 11 fan casings, 12 handles, 13 air outlets, 14 air inlets.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, a novel high-pressure centrifugal fan comprises a fan housing 11, an air inlet 14 and an air outlet 13 are formed in the fan housing 11, a dust cap 1 is movably connected to the upper surface of the air inlet 14, a through hole is formed in the surface of the dust cap 1, four cover plates 2 are rotatably connected to the inner side wall of the dust cap 1 through pin shafts, the cover plates 2 are rotatably connected to a movable plate 3 through pin shafts, it should be noted that a handle 12 is arranged outside the movable plate 3 to drive the cover plates 2 to rotate through the movable plate 3, so as to open and close the air inlet 14, when the fan is not used, the air inlet 14 is closed to prevent dust from entering the fan housing 11 to cause blockage and affect the working efficiency, a slide rail 4 is fixedly connected to the outer side wall of the fan housing 11, it is worth noting that the inner side wall of the slide, a sleeve 6 is slidably connected in the chute 5.
In the invention, the upper surface of the sleeve 6 is fixedly connected with a support rod 7, one end of the support rod 7, which is far away from the sleeve 6, is fixedly connected with a cleaning plate 8, it should be noted that sponge is arranged on the lower surface of the cleaning plate 8, the inner side wall of the slide rail 4 is rotatably connected with a threaded rod 9, it is noted that the threaded rod 9 is rotatably connected with the slide rail 4 through a bearing, one end of the threaded rod 9, which is positioned outside the pulley 4, is fixedly connected with a knob 10, the threaded rod 9 is meshed with the sleeve 6, the threaded rod 9 and the sleeve 6 are arranged to drive the cleaning plate 8 to move, when the air inlet 14 is closed, the surface of the cover plate 2 is cleaned.
The invention can be illustrated by the following operating modes: in an initial state, an air inlet 14 of the centrifugal fan is in a closed state, a cover plate 2 is in a horizontal state, a sleeve 6 is in a position far away from a knob 10, when the surface of the cover plate 2 needs to be cleaned, the knob 10 is repeatedly rotated to rotate a threaded rod 9, so that the sleeve 6 is driven to reciprocate along the horizontal direction, a cleaning plate 8 is driven to reciprocate, the surface of the cover plate 2 is cleaned, dust on the surface of the cover plate 2 is prevented from entering a fan shell 11 to damage the fan, after the surface of the cover plate 2 is cleaned, the sleeve 6 is moved to the position far away from the knob 10, the knob 10 is stopped to rotate, then a handle 12 is pulled, the handle 12 is stopped to be pulled after the cover plate 2 rotates to the vertical position, the air inlet 14 is opened, when the fan does not need to be used, the handle 12 is pushed, the cover plate 2 is rotated to the horizontal position, affecting the work efficiency.
Claims (5)
1. A novel high-pressure centrifugal fan comprises a fan shell (11) and is characterized in that an air inlet (14) and an air outlet (13) are formed in the fan shell (11), the upper surface of the air inlet (14) is movably connected with a dust cover (1), through holes are formed in the surface of the dust cover (1), the inner side wall of the dust cover (1) is rotatably connected with four cover plates (2) through pin shafts, the cover plates (2) are rotatably connected with a movable plate (3) through pin shafts together, the outer side wall of the fan shell (11) is fixedly connected with a slide rail (4), a slide groove (5) is formed in the slide rail (4), a sleeve (6) is slidably connected in the slide groove (5), a support rod (7) is fixedly connected to the upper surface of the sleeve (6), and a cleaning plate (8) is fixedly connected to one end, far away from the sleeve (, the inside wall of slide rail (4) rotates and is connected with threaded rod (9), threaded rod (9) and sleeve (6) meshing.
2. The new high-pressure centrifugal fan as claimed in claim 1, wherein the inner side walls of the sliding rails (4) are provided with graphite coating material.
3. The new centrifugal high-pressure blower according to claim 2, characterized in that a handle (12) is arranged outside the moving plate (3).
4. The novel high-pressure centrifugal fan as claimed in claim 3, wherein the threaded rod (9) is rotatably connected with the slide rail (4) through a bearing, and a knob (10) is fixedly connected to one end of the threaded rod (9) located outside the pulley (4).
5. A new high-pressure centrifugal fan according to claim 4, characterized in that the lower surface of the cleaning plate (8) is provided with a sponge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268202.6A CN112377461A (en) | 2020-11-13 | 2020-11-13 | Novel high-pressure centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268202.6A CN112377461A (en) | 2020-11-13 | 2020-11-13 | Novel high-pressure centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112377461A true CN112377461A (en) | 2021-02-19 |
Family
ID=74583945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011268202.6A Pending CN112377461A (en) | 2020-11-13 | 2020-11-13 | Novel high-pressure centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112377461A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573948A (en) * | 2022-12-07 | 2023-01-06 | 江苏德锐科环保科技有限公司 | Heat preservation formula centrifugal fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006004A (en) * | 2014-05-29 | 2014-08-27 | 铜山县宏达精细化工厂 | Induced fan with dustproof function |
| CN207814012U (en) * | 2018-01-03 | 2018-09-04 | 青岛广源鑫环保通风设备有限公司 | A kind of negative-pressure air fan based on power house ventilation air exchange system |
| CN109098985A (en) * | 2018-06-28 | 2018-12-28 | 宁波中禾电子有限公司 | A kind of desktop fan assembly having both illumination functions |
| CN210317939U (en) * | 2019-06-21 | 2020-04-14 | 湖南鑫迪风机制造有限公司 | Special fan for dry sweeping vehicle |
-
2020
- 2020-11-13 CN CN202011268202.6A patent/CN112377461A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006004A (en) * | 2014-05-29 | 2014-08-27 | 铜山县宏达精细化工厂 | Induced fan with dustproof function |
| CN207814012U (en) * | 2018-01-03 | 2018-09-04 | 青岛广源鑫环保通风设备有限公司 | A kind of negative-pressure air fan based on power house ventilation air exchange system |
| CN109098985A (en) * | 2018-06-28 | 2018-12-28 | 宁波中禾电子有限公司 | A kind of desktop fan assembly having both illumination functions |
| CN210317939U (en) * | 2019-06-21 | 2020-04-14 | 湖南鑫迪风机制造有限公司 | Special fan for dry sweeping vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573948A (en) * | 2022-12-07 | 2023-01-06 | 江苏德锐科环保科技有限公司 | Heat preservation formula centrifugal fan |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |
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| RJ01 | Rejection of invention patent application after publication |