CN210033979U - Centrifugal fan with but split filter equipment - Google Patents
Centrifugal fan with but split filter equipment Download PDFInfo
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- CN210033979U CN210033979U CN201920877394.7U CN201920877394U CN210033979U CN 210033979 U CN210033979 U CN 210033979U CN 201920877394 U CN201920877394 U CN 201920877394U CN 210033979 U CN210033979 U CN 210033979U
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Abstract
The utility model discloses a centrifugal ventilator with a detachable filtering device, which comprises a case, wherein a spiral case is fixed in the case, an impeller is positioned in the spiral case, a driving motor is fixed on the outer side wall of the spiral case, an output shaft of the driving motor extends into the spiral case and is fixed on the impeller, a front connecting end plate is fixed on the inner side wall of the front end of the case, an air outlet through hole is arranged at the upper part of the front connecting end plate, the air outlet end of the spiral case is fixed on the front connecting end plate, and the air outlet through hole is communicated with the air outlet end of the spiral; the rear end of the case is inserted and sleeved with a filter sleeve body, and a plurality of positioning concave holes are formed in the inner side wall of the front end of the filter sleeve body; the filter sleeve body is provided with the detachable filter sleeve body, so that the filter sleeve body can be installed at an installation position needing filtering, and can be installed at an installation position without a filtering device after being detached.
Description
The technical field is as follows:
the utility model relates to a ventilation blower technical field, more specifically say and relate to a centrifugal fan with but split filter equipment.
Background art:
the prior mute ventilator generally fixes the internal filter screen plate through bolts inside, the filter screen plate can be detached only after the fixing bolts of the filter screen plate are detached when the mute ventilator is detached, the mute ventilator is very troublesome, the case of the mute ventilator provided with the internal filter screen plate is longer, and at some use positions, a filter mechanism is already installed at the air inlet pipe, the length of the installation position between the air inlet pipe and the middle connecting pipe is not long, the mute ventilator with the filter cannot be installed at the moment, other models need to be purchased, and the use range of the mute ventilator is limited.
The utility model has the following contents:
the utility model aims at being not enough to prior art, and provide a but centrifugal fan with split filter equipment, it has the detachable filter sleeve body for it can install in needs filterable installation position department, and it can be installed in the installation position department that does not need filter equipment after dismantling the filter sleeve body equally, its simple to operate, and application range is wide, and its filter sleeve body installation dismantlement is convenient moreover.
The technical solution of the utility model is as follows:
a centrifugal ventilator with a detachable filtering device comprises a case, wherein a volute is fixed in the case, an impeller is positioned in the volute, a driving motor is fixed on the outer side wall of the volute, an output shaft of the driving motor extends into the volute and is fixed on the impeller, a front connecting end plate is fixed on the inner side wall of the front end of the case, an air outlet through hole is formed in the upper portion of the front connecting end plate, the air outlet end of the volute is fixed on the front connecting end plate, and the air outlet through hole is communicated with the air outlet end of the volute;
the rear end of the case is inserted and sleeved with a filter sleeve body, a plurality of positioning concave holes are formed in the inner side wall of the front end of the filter sleeve body, a plurality of ball plungers are screwed in screwed through holes formed in a top plate and a bottom plate at the rear end of the case, and balls of the ball plungers extend out of the outer ends of the screwed through holes and are embedded in the corresponding positioning concave holes;
at least one filter screen plate is arranged in the filter sleeve body, and the filter screen plate covers the rear-end air inlet of the case.
The middle part of the outer side wall of the case is fixed with a radial extension edge, a plurality of connecting through holes are formed in the radial extension edge, the front end of the filter sleeve body is connected with a plurality of permanent magnet connecting columns in a threaded mode, and the permanent magnet connecting columns are inserted in the corresponding connecting through holes and adsorbed on the radial extension edge.
An inner extension part is formed on the inner side wall of the outer end of the filter sleeve body, and the front end face of the inner extension part is pressed against the rear end face of the case.
And a positioning column formed on the front end surface of the inner extension part is inserted in a positioning hole formed on the rear end surface of the case.
The shaping has a plurality of locator card to put the strip on the inside wall of interior extension, it has two to filter the otter board to cross the plug bush in the filter sleeve body, the shaping has a plurality of draw-in grooves on two filter the otter board's the lateral wall, the locator card is put the strip card and is put in the draw-in groove that corresponds, through bolt fixedly connected with back locating frame on the rear end face of the filter sleeve body, the front end shaping of the inside wall of back locating frame has the extension cover that extends forward, extend the cover plug bush in the filter sleeve body, two filter the otter board and press each other and the centre gripping extends between the rear end face of.
An elastic layer is fixed on the front end face of the extension sleeve and is pressed against the rear wall face of the edge part of the rear filter screen plate.
Two filter plate are that the framework is constituteed with the filter screen that the middle part is fixed with, and the mesh diameter of the filter screen of anterior filter plate is less than the mesh diameter of the filter screen of the filter plate at rear portion.
The connecting through hole on the radial extending edge corresponds to the front connecting through hole on the front connecting edge formed on the outer side wall of the front end of the case.
And a rear extending edge is formed on the outer side wall of the rear end of the filter sleeve body, and a rear connecting through hole corresponding to the front connecting through hole is formed on the rear extending edge.
The beneficial effects of the utility model reside in that:
the filter sleeve body is provided with the detachable filter sleeve body, so that the filter sleeve body can be installed at an installation position needing filtering, and can be installed at an installation position without a filtering device after being detached.
Description of the drawings:
fig. 1 is a schematic view of a partial structure of the present invention;
FIG. 2 is a cross-sectional view of the filter cartridge body of the present invention in a partially overlooked state;
fig. 3 is a partial structure diagram of a filter screen plate.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, a centrifugal fan with a detachable filter device includes a case 10, a volute 1 is fixed in the case 10, an impeller 2 is located in the volute 1, a driving motor 3 is fixed on an outer side wall of the volute 1, an output shaft of the driving motor 3 extends into the volute 1 and is fixed on the impeller 2, a front connection end plate 11 is fixed on an inner side wall of a front end of the case 10, an air outlet through hole 12 is formed in an upper portion of the front connection end plate 11, an air outlet end of the volute 1 is fixed on the front connection end plate 11, and the air outlet through hole 12 is communicated with an air outlet end of the volute 1;
a filter sleeve body 20 is inserted and sleeved at the rear end of the case 10, a plurality of positioning concave holes 21 are formed in the inner side wall of the front end of the filter sleeve body 20, a plurality of ball plungers 4 are screwed in screwed through holes formed in a top plate and a bottom plate at the rear end of the case 10, and balls of the ball plungers 4 extend out of the outer ends of the screwed through holes and are nested in the corresponding positioning concave holes 21;
at least one filter screen 22 is installed in the filter sleeve body 20, and the filter screen 22 covers the rear air inlet of the case 10.
Further, a radially extending edge 13 is fixed in the middle of the outer side wall of the case 10, a plurality of connecting through holes 131 are formed in the radially extending edge 13, a plurality of permanent magnet connecting columns 23 are screwed to the front end of the filter sleeve body 20, and the permanent magnet connecting columns 23 are inserted in the corresponding connecting through holes 131 and adsorbed to the radially extending edge 13.
Furthermore, an inner extension portion 24 is formed on the inner side wall of the outer end of the filter sleeve body 20, and the front end surface of the inner extension portion 24 is pressed against the rear end surface of the case 10.
Furthermore, the positioning post 241 formed on the front end surface of the inner extension portion 24 is inserted into the positioning hole formed on the rear end surface of the chassis 10.
Furthermore, a plurality of positioning and clamping strips 25 are formed on the inner side wall of the inner extension portion 24, two filter screen plates 22 are inserted into the filter sleeve body 25, a plurality of clamping grooves 221 are formed on the outer side walls of the two filter screen plates 22, the positioning and clamping strips 25 are clamped in the corresponding clamping grooves 221, a rear positioning frame 30 is fixedly connected onto the rear end surface of the filter sleeve body 20 through bolts, an extension sleeve 31 extending forwards is formed at the front end of the inner side wall of the rear positioning frame 30, the extension sleeve 31 is inserted into the filter sleeve body 20, and the two filter screen plates 22 are pressed against each other and clamped between the extension sleeve 31 and the rear end surface of the case 10.
Furthermore, an elastic layer 32 is fixed on the front end face of the extension sleeve 31, and the elastic layer 32 is pressed against the edge rear wall face of the rear filter screen plate 22.
Further, the two filter screen plates 22 are both frame bodies and filter screens fixed in the middle, and the mesh diameter of the filter screen of the front filter screen plate 22 is smaller than that of the filter screen of the rear filter screen plate 22.
Further, the connection through hole 131 of the radially extending edge 13 corresponds to the front connection through hole 191 of the front connection edge 19 formed on the outer side wall of the front end of the casing 10.
Further, a rear extension 26 is formed on the outer side wall of the rear end of the filter housing body 20, and a rear connection through hole 261 corresponding to the front connection through hole 191 is formed on the rear extension 26.
An elastic damping layer 9 is fixed on the inner side wall of the filter sleeve body 20, and the elastic damping layer 9 is pressed on the outer side wall of the rear part of the case 10.
The working principle is as follows: when the filter screen plate 22 needs to be replaced, the connecting bolts at the rear extending edge 26 and the front connecting edge 19 can be inclined backwards, the case 10 and the filter screen body 20 are moved out, then the rear positioning frame 30 is detached, and the filter screen plate 22 can be taken out for cleaning or replacing and then installed;
when the filter sleeve body 20 is not needed, the filter sleeve body 20 can be directly pulled out from the case 10 with force, so that the filter sleeve body is convenient to mount and dismount, meets different mounting requirements, and has a wide application range.
Then, the rear portion of the casing 10 is inserted into one of the connecting pipes, and the two connecting pipes are connected to the radially extending edge 13 and the front connecting edge 19, which is very convenient.
Claims (9)
1. The utility model provides a centrifugal fan with but split filter equipment, includes quick-witted case (10), and spiral case (1) is fixed in quick-witted case (10), and impeller (2) are in spiral case (1), and driving motor (3) are fixed on the lateral wall of spiral case (1), and the output shaft of driving motor (3) stretches into in spiral case (1) and fixes on impeller (2), its characterized in that: a front connecting end plate (11) is fixed on the inner side wall of the front end of the case (10), an air outlet through hole (12) is formed in the upper portion of the front connecting end plate (11), the air outlet end of the volute (1) is fixed on the front connecting end plate (11), and the air outlet through hole (12) is communicated with the air outlet end of the volute (1);
the rear end of the case (10) is inserted and sleeved with a filter sleeve body (20), a plurality of positioning concave holes (21) are formed in the inner side wall of the front end of the filter sleeve body (20), a plurality of ball plungers (4) are screwed in screw connection through holes formed in a top plate and a bottom plate at the rear end of the case (10), and balls of the ball plungers (4) extend out of the outer ends of the screw connection through holes and are nested in the corresponding positioning concave holes (21);
at least one filter screen plate (22) is installed in the filter sleeve body (20), and the filter screen plate (22) covers the rear-end air inlet of the case (10).
2. A centrifugal ventilator with a detachable filter device according to claim 1, characterized in that: the middle part of the outer side wall of the case (10) is fixed with a radial extension edge (13), a plurality of connecting through holes (131) are formed in the radial extension edge (13), the front end of the filter sleeve body (20) is in threaded connection with a plurality of permanent magnet connecting columns (23), and the permanent magnet connecting columns (23) are inserted in the corresponding connecting through holes (131) and adsorbed with the radial extension edge (13).
3. A centrifugal ventilator with a detachable filter device according to claim 1, characterized in that: an inner extension part (24) is formed on the inner side wall of the outer end of the filter sleeve body (20), and the front end face of the inner extension part (24) is pressed against the rear end face of the case (10).
4. A centrifugal ventilator with a detachable filter device according to claim 3, characterized in that: and a positioning column (241) formed on the front end surface of the inner extension part (24) is inserted and sleeved in a positioning hole formed on the rear end surface of the case (10).
5. A centrifugal ventilator with a detachable filter device according to claim 3, characterized in that: the shaping has a plurality of locator card to put strip (25) on the inside wall of interior extension (24), filter cartridge body (20) plug bush has two filter plate (22), the shaping has a plurality of draw-in grooves (221) on the outside wall of two filter plate (22), locator card puts strip (25) card and puts in corresponding draw-in groove (221), through bolt fixedly connected with back locating frame (30) on the rear end face of filter cartridge body (20), the front end shaping of the inside wall of back locating frame (30) has extension cover (31) that extend forward, extension cover (31) plug bush is in filter cartridge body (20), two filter plate (22) press each other and the centre gripping is between the rear end face of extending cover (31) and quick-witted case (10).
6. A centrifugal ventilator with a detachable filter device according to claim 5, characterized in that: an elastic layer (32) is fixed on the front end face of the extension sleeve (31), and the elastic layer (32) is pressed on the rear wall face of the edge part of the rear filter screen plate (22).
7. A centrifugal ventilator with a detachable filter device according to claim 5, characterized in that: the two filter screen plates (22) are both frame bodies and filter screens fixed in the middle.
8. A centrifugal ventilator with a detachable filter device according to claim 2, characterized in that: the connecting through hole (131) on the radial extending edge (13) corresponds to the front connecting through hole (191) on the front connecting edge (19) formed on the outer side wall of the front end of the chassis (10).
9. A centrifugal ventilator with a detachable filter device according to claim 8, characterized in that: a rear extension edge (26) is formed on the outer side wall of the rear end of the filter sleeve body (20), and a rear connecting through hole (261) corresponding to the front connecting through hole (191) is formed on the rear extension edge (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877394.7U CN210033979U (en) | 2019-06-12 | 2019-06-12 | Centrifugal fan with but split filter equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920877394.7U CN210033979U (en) | 2019-06-12 | 2019-06-12 | Centrifugal fan with but split filter equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210033979U true CN210033979U (en) | 2020-02-07 |
Family
ID=69347795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920877394.7U Active CN210033979U (en) | 2019-06-12 | 2019-06-12 | Centrifugal fan with but split filter equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210033979U (en) |
-
2019
- 2019-06-12 CN CN201920877394.7U patent/CN210033979U/en active Active
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