CN218542741U - Anti-blocking large centrifugal fan - Google Patents
Anti-blocking large centrifugal fan Download PDFInfo
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- CN218542741U CN218542741U CN202222922242.9U CN202222922242U CN218542741U CN 218542741 U CN218542741 U CN 218542741U CN 202222922242 U CN202222922242 U CN 202222922242U CN 218542741 U CN218542741 U CN 218542741U
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- air intake
- centrifugal fan
- cleaning brush
- air inlet
- filter mantle
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Abstract
The utility model discloses a prevent large-scale centrifugal fan of jam, including the fan casing, the air intake guard shield, air intake filter mantle and cleaning brush, but through setting up hand cleaning brush, when piling up the dust on centrifugal fan air intake buckle filter mantle, personnel can regularly hand the crank and insert and drive cleaning brush and rotate and brush filter mantle surface dust in the jack, can prevent that centrifugal fan air intake filter mantle from blockking up like this, guarantee centrifugal fan's normal operating, through install detachable air intake filter mantle on the air intake guard shield of fan casing, it is clean not regularly when the air intake filter mantle, it is difficult to through the cleaning brush when clean or the filter screen appears damaging to pile up more dust, personnel can dismantle the air intake filter mantle alone and get off and clear up, operation such as washing or change, thereby can guarantee that centrifugal fan air intake can not appear seriously blockking up, the life of extension centrifugal fan, and use cost is reduced.
Description
Technical Field
The utility model relates to a centrifugal fan technical field specifically is a prevent large-scale centrifugal fan of jam.
Background
Large-scale centrifugal fan extensively is used for mill, mine, tunnel, ventilation and cooling of cooling tower and building, in order to prevent centrifugal fan in the work engineering, inhale a large amount of dust particles, cause the inside deposit of dust particle at centrifugal fan to block up, influence work efficiency, can install dustproof filter screen at centrifugal fan's inlet end usually, but dustproof filter screen is at long-time during operation, the dust easily piles up on dustproof filter screen, cause the air inlet unsmooth, influence the ventilation effect, can lead to the air intake to block up when serious, in order to avoid the air intake to block up, need regularly clear up large-scale centrifugal fan's air intake filter screen.
However, the filter screens of the large centrifugal fans sold in the market are all designed with mechanisms capable of cleaning the filter screens, other tools are needed to clean the filter screens manually, the existing product filter screens are inconvenient to detach, the filter screens are often fixed with a fan housing, the fan housing needs to be replaced together when the filter screens are replaced, the use cost is high, and for example, in the large centrifugal fan with the product model of LN230PV, in view of this, the existing technology needs to be improved to solve the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent large-scale centrifugal fan of jam to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a prevent large-scale centrifugal fan of jam, includes fan casing, air intake guard shield, air intake filter mantle and cleaning brush, the support frame is installed to fan casing's bottom, fan casing's forward-mounted has the air intake guard shield, the air intake has been seted up to the centre of air intake guard shield, set up the mounting groove in the air intake, detachable air intake filter mantle of installing in the mounting groove, install the cleaning brush on the air intake filter mantle.
As a further aspect of the present invention: two convex blocks are symmetrically arranged on the outer wall of the air inlet filter housing from top to bottom, and a through hole is formed in the middle of each convex block.
As a further aspect of the present invention: two convex block embedding openings are symmetrically formed in the outer wall of the mounting groove in the left-right direction, positioning holes are formed in the top end and the bottom end of the mounting groove, positioning screws are mounted in the positioning holes, and the air inlet filter cover is fixedly connected with the air inlet protective cover through the positioning screws.
As a further aspect of the present invention: the air inlet filter cover comprises a cover ring and a filter screen, and the filter screen is arranged in the cover ring.
As a further aspect of the present invention: the cleaning brush is characterized in that a fixing frame is welded in the middle of the cover ring, a bearing is installed in the middle of the fixing frame in an embedded mode, a rotating seat is installed in the middle of the bearing, the cleaning brush is installed on the rotating seat, an insertion hole is formed in the middle of the rotating seat, an insertion rod is movably inserted in the insertion hole, and a crank is installed at the outer end of the insertion rod.
As a further aspect of the present invention: the cleaning brush is provided with brush hair towards one side of the filter screen, and an air outlet is formed in the upper portion of the fan shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a but set up hand cleaning brush, when piling up the dust on centrifugal fan air inlet buckle filter mantle, personnel can regularly hand the crank and insert and drive cleaning brush and rotate and brush filter mantle surface dust in the jack, can prevent like this that centrifugal fan air intake filter mantle from blockking up, guarantee centrifugal fan's normal operating.
2. The utility model discloses an install detachable air intake filter mantle on fan housing's air intake guard, it is clean not regularly when the air intake filter mantle, pile up more dust and be difficult to when clean through the cleaning brush or the filter screen appears damaging, the personnel can dismantle the air intake filter mantle alone and get off to clear up, wash or operation such as change to can guarantee that centrifugal fan air intake can not appear seriously blockking up, extension centrifugal fan's life, reduction use cost.
Drawings
Fig. 1 is a schematic view of the overall structure of a large anti-clogging centrifugal fan.
Fig. 2 is an enlarged view of a structure at a in fig. 1 of a large anti-clogging centrifugal fan.
Fig. 3 is an enlarged view of a structure at B in fig. 1 of a large anti-clogging centrifugal fan.
1. A fan housing; 2. a support frame; 3. an air inlet shield; 4. an air inlet; 5. an air outlet; 6. mounting grooves; 7. the lug is embedded into the opening; 8. an air inlet filter cover; 801. a cover ring; 802. a filter screen; 9. a bump; 10. a through hole; 11. positioning holes; 12. positioning a screw rod; 13. a fixed mount; 14. a bearing; 15. a rotating seat; 16. a cleaning brush; 17. a jack; 18. inserting a rod; 19. a crank handle.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, an anti-blocking large centrifugal fan includes a fan housing 1, an air inlet shield 3, an air inlet filter cover 8 and a cleaning brush 16, a support frame 2 is installed at the bottom of the fan housing 1, the air inlet shield 3 is installed at the front portion of the fan housing 1, an air inlet 4 is opened in the middle of the air inlet shield 3, a mounting groove 6 is disposed in the air inlet 4, the air inlet filter cover 8 is detachably installed in the mounting groove 6, and the cleaning brush 16 is installed on the air inlet filter cover 8.
Two convex blocks 9 are symmetrically arranged on the outer wall of the air inlet filter cover 8 from top to bottom, and a through hole 10 is formed in the middle of each convex block 9.
Two convex blocks are symmetrically arranged on the outer wall of the mounting groove 6 to form an embedded opening 7, positioning holes 11 are formed in the top end and the bottom end of the mounting groove 6, positioning screws 12 are mounted in the positioning holes 11, the air inlet filter cover 8 is fixedly connected with the air inlet shield 3 through the positioning screws 12, and the positioning holes 11 are threaded holes.
The air inlet filter cover 8 comprises a cover ring 801 and a filter screen 802, wherein the filter screen 802 is arranged in the cover ring 801.
The middle of the cover ring 801 is welded with a fixed frame 13, a bearing 14 is installed in the middle of the fixed frame 13 in an embedded mode, a rotating seat 15 is installed in the middle of the bearing 14, a cleaning brush 16 is installed on the rotating seat 15, the rotating seat 15 is rotatably connected with the bearing 14, a jack 17 is formed in the middle of the rotating seat 15, an inserting rod 18 is movably inserted in the jack 17, a crank handle 19 is installed at the outer end of the inserting rod 18, the crank handle 19 can be directly pulled out when not used, and air inlet of an air inlet 4 is prevented from being blocked.
The cleaning brush 16 is provided with brush hair towards one side of the filter screen 802, and the upper part of the fan shell 1 is provided with an air outlet 5.
Install the impeller in fan casing 1, the impeller directly links with the motor output shaft who installs at fan casing 1 rear portion, the utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece can all be customized according to the record of description and drawing, and the concrete connected mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt among the prior art, conventional model, and the details are not repeated here, and the content of not doing detailed description in this description belongs to the prior art that technical personnel in this field know well-known
The utility model discloses a theory of operation is:
when the air inlet filter cover 8 is required to be slightly cleaned, a person can hold the crank 19 by hand, the inserted rod 18 at one end of the crank 19 is inserted into the insertion hole 17 formed in the rotating seat 15, then the crank is rotated, the crank 19 drives the cleaning brush 16 to cling to the filter screen 802 through the crank 19 to brush dust on the filter screen 802 in a circular motion mode, after the use is finished, the crank 19 is pulled out, when the dust on the air inlet filter cover 8 is solidified due to the fact that slight cleaning is conducted in an unfixed period, the cleaning brush 16 cannot play a good cleaning role, the person can use a tool to screw off the positioning screw 12, then the air inlet filter cover 8 rotates clockwise or anticlockwise by 90 degrees, the lug 9 is just opposite to the lug embedding opening 7, then the air inlet filter cover 8 can be directly taken out, in this way, the air inlet filter cover 8 can be conveniently and independently taken down for deep cleaning, after cleaning, the lugs 9 on two sides of the air inlet filter cover 8 are aligned to the lug embedding opening 7 and are installed in the installation groove 6, the lug or anticlockwise rotates 90 degrees, and then the positioning screw 12 can be installed in place.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a prevent large-scale centrifugal fan of jam, includes fan casing (1), air intake guard shield (3), air intake filter mantle (8) and cleaning brush (16), its characterized in that: support frame (2) are installed to the bottom of fan casing (1), the front portion of fan casing (1) installs air intake guard shield (3), air intake (4) have been seted up to the centre of air intake guard shield (3), set up mounting groove (6) in air intake (4), detachable air intake filter mantle (8) of installing in mounting groove (6), install cleaning brush (16) on air intake filter mantle (8).
2. The anti-clogging large centrifugal fan according to claim 1, characterized in that: two convex blocks (9) are symmetrically arranged on the upper portion and the lower portion of the outer wall of the air inlet filter cover (8), and a through hole (10) is formed in the middle of each convex block (9).
3. The anti-clogging large centrifugal fan according to claim 1, characterized in that: the air inlet filter cover is characterized in that two convex blocks are symmetrically arranged on the outer wall of the mounting groove (6) in an embedded mode (7), the top end and the bottom end of the mounting groove (6) are provided with positioning holes (11), positioning screws (12) are installed in the positioning holes (11), and the air inlet filter cover (8) is fixedly connected with the air inlet shield (3) through the positioning screws (12).
4. A large anti-clog centrifugal fan according to claim 1, wherein: the air inlet filter cover (8) comprises a cover ring (801) and a filter screen (802), and the filter screen (802) is arranged in the cover ring (801).
5. The anti-clogging large centrifugal fan according to claim 4, characterized in that: the cover has welded mount (13) in the middle of the circle (801), embedded bearing (14) of installing in the middle of mount (13), install in the middle of bearing (14) and rotate seat (15), install on rotating seat (15) cleaning brush (16), jack (17) have been seted up in the middle of rotating seat (15), jack (17) internalization is pegged graft and is had inserted bar (18), crank (19) are installed to inserted bar (18) outer end.
6. The anti-clogging large centrifugal fan according to claim 1, characterized in that: the cleaning brush (16) is provided with brush bristles towards one side of the filter screen (802), and the upper part of the fan shell (1) is provided with an air outlet (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922242.9U CN218542741U (en) | 2022-11-03 | 2022-11-03 | Anti-blocking large centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222922242.9U CN218542741U (en) | 2022-11-03 | 2022-11-03 | Anti-blocking large centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542741U true CN218542741U (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222922242.9U Active CN218542741U (en) | 2022-11-03 | 2022-11-03 | Anti-blocking large centrifugal fan |
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| Country | Link |
|---|---|
| CN (1) | CN218542741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292444A (en) * | 2023-04-24 | 2023-06-23 | 江苏恒康机电有限公司 | Prevent large-scale centrifugal industry fan of jam |
-
2022
- 2022-11-03 CN CN202222922242.9U patent/CN218542741U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116292444A (en) * | 2023-04-24 | 2023-06-23 | 江苏恒康机电有限公司 | Prevent large-scale centrifugal industry fan of jam |
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