CN216381905U - Cabinet type centrifugal fan with filter screen - Google Patents
Cabinet type centrifugal fan with filter screen Download PDFInfo
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- CN216381905U CN216381905U CN202123240736.0U CN202123240736U CN216381905U CN 216381905 U CN216381905 U CN 216381905U CN 202123240736 U CN202123240736 U CN 202123240736U CN 216381905 U CN216381905 U CN 216381905U
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- filter screen
- box body
- cabinet type
- type centrifugal
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Abstract
A cabinet type centrifugal ventilator with a filter screen comprises a box body and a fan volute arranged in the box body; the box body is provided with an air outlet and an air inlet, and the air inlet on the outer side of the box body is connected with a filter screen; the upper end and the lower end of the side edge of the box body are both provided with connecting holes; the connecting holes are detachably connected with mounting pieces; the mounting pieces are provided with longitudinal sliding strip holes; the upper end and the lower end of the side edge of the filter screen are both connected with rotating shafts corresponding to the two mounting pieces; the rotating shaft is rotatably connected in the longitudinal sliding strip hole and longitudinally slides along the longitudinal sliding strip hole; the filter screen is connected with the box body through bolts. The filter screen is connected to the outer side of the box body through the bolts, and the filter screen is rotatably connected to the two mounting pieces fixed on the box body.
Description
Technical Field
The utility model relates to a cabinet type centrifugal ventilator with a filter screen.
Background
The centrifugal ventilator is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal ventilators are widely used in factories, mines, tunnels, cooling towers, vehicles, ships and buildings for ventilation, dust removal and cooling; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
The filter screen is generally installed to current centrifugal fan in the box when using, filters the wind that gets into in the box through the filter screen, and nevertheless after using for a long time, the filter screen becomes dirty easily, therefore a convenient cabinet type centrifugal fan who clears up the filter screen is that we need.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a cabinet type centrifugal ventilator with a filter screen convenient to clean.
In order to solve the technical problems, the technical scheme of the cabinet type centrifugal ventilator with the filter screen is as follows:
comprises a box body and a fan volute arranged in the box body; a fan impeller and a driven shaft are arranged in the fan volute; one end of the driven shaft is connected with the fan impeller, and the other end of the driven shaft penetrates through the box body to be connected with a first belt pulley; a driving motor is fixed on the outer side of the box body; the driving motor is connected with a second belt pulley; the first belt pulley is in transmission connection with the second belt pulley through a belt; the box body is provided with an air outlet and an air inlet, and the air inlet on the outer side of the box body is connected with a filter screen; the upper end and the lower end of the side edge of the box body are both provided with connecting holes; the connecting holes are detachably connected with mounting pieces; the mounting pieces are provided with longitudinal sliding strip holes; the upper end and the lower end of the side edge of the filter screen are both connected with rotating shafts corresponding to the two mounting pieces; the rotating shaft is rotatably connected in the longitudinal sliding strip hole and is longitudinally connected in a sliding manner along the longitudinal sliding strip hole; the filter screen is connected with the box body through bolts.
The mounting piece is inserted into the connecting hole and connected with the box body through a bolt.
A positioning frame is arranged on the inner side of the filter screen; when the filter screen is connected with the box body through the bolt, the positioning frame is inserted in the box body, and the outer wall of the positioning frame is tightly attached to the inner wall of the box body.
The filter screen is square.
And bolts connected with the box body are arranged at the upper end and the lower end of the left side of the filter screen and at the upper end and the lower end of the right side of the filter screen.
The utility model can achieve the technical effects that: the filter screen is connected to the outer side of the box body through the bolts, and the filter screen is rotatably connected to the two mounting pieces fixed on the box body.
Drawings
The utility model is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic view of a cabinet type centrifugal fan with a filter screen according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of a cabinet type centrifugal fan with a filter screen according to the present invention after the filter screen is disassembled;
FIG. 4 is an enlarged view of portion B of FIG. 3;
FIG. 5 is a schematic view of a cabinet centrifugal fan with a filter screen according to the present invention after the filter screen is opened;
FIG. 6 is an enlarged view of section C of FIG. 5;
FIG. 7 is a cross-sectional view of a cabinet centrifugal fan having a filter screen according to the present invention;
fig. 8 is an enlarged view of a portion D of fig. 7.
Detailed Description
The utility model is explained in further detail below with reference to the drawings.
See fig. 1-8.
A cabinet type centrifugal ventilator with a filter screen comprises a box body 1 and a fan volute 2 arranged in the box body 1; a fan impeller 3 and a driven shaft 4 are arranged in the fan volute 2; one end of the driven shaft 4 is connected with the fan impeller 3, and the other end of the driven shaft passes through the box body 1 and is connected with a first belt pulley 5; a driving motor 6 is fixed on the outer side of the box body 1; the driving motor 6 is connected with a second belt pulley 7; the first belt pulley 5 is in transmission connection with the second belt pulley 7 through a belt 8; an air outlet 9 and an air inlet 10 are formed in the box body 1, and a filter screen 11 is connected to the air inlet 10 on the outer side of the box body 1; the upper end and the lower end of the side of the box body 1 are both provided with connecting holes 12; the connecting holes 12 are detachably connected with mounting pieces 13; the mounting pieces 13 are all provided with longitudinal sliding strip holes 14; the upper end and the lower end of the side edge of the filter screen 11 are both connected with rotating shafts 15 corresponding to the two mounting pieces 13; the rotating shaft 15 is rotatably connected in the longitudinal sliding strip hole 14 and is longitudinally connected along the longitudinal sliding strip hole 14 in a sliding manner; the filter screen 11 is connected with the box body 1 through bolts.
Specifically, the mounting member 13 is inserted into the connecting hole 12 and connected to the case 1 by a bolt.
Specifically, a positioning frame 21 is arranged on the inner side of the filter screen 11; when the filter screen 11 is connected with the box body 1 through the bolt, the positioning frame 21 is inserted into the box body 1 and the outer wall of the positioning frame 21 is tightly attached to the inner wall of the box body 1.
Specifically, the filter screen 11 is square.
Specifically, the upper end and the lower end of the left side of the filter screen 11 and the upper end and the lower end of the right side of the filter screen are both provided with bolts connected with the box body 1.
Instructions for use: when the filter screen 11 needs to be cleaned, the filter screen 11 can be completely disassembled (refer to fig. 3 and 4) for cleaning, or the filter screen 11 can be partially disassembled (refer to fig. 5 and 6) for cleaning; specifically, when the filter screen 11 is completely detached, the bolt connecting the filter screen 11 and the box body 1 is firstly screwed off, and then the bolt connecting the mounting piece 13 and the bolt of the box body 1 is screwed off, so that the filter screen 11 and the mounting piece 13 can be detached for cleaning; when the filter screen 11 is partially disassembled, the filter screen 11 can be cleaned conveniently only by unscrewing the bolt connecting the filter screen 11 and the box body 1, rotating the filter screen 11 and rotating the filter screen 11 to the position shown in figure 5; preferably, the positioning frame 21 is arranged on the inner side of the filter screen 11, when the filter screen 11 is connected with the box body 1 through the bolt, the positioning frame 21 is inserted into the box body 1, the outer wall of the positioning frame 21 is tightly attached to the inner wall of the box body 1 (refer to fig. 7 and 8), the positioning frame 21 can help the filter screen 11 to be positioned, the filter screen 11 and the box body 1 are conveniently connected through the bolt, the filter screen 11 is firstly rotated to the position where the positioning frame 21 is aligned with the air inlet 10 when the positioning frame 21 is installed, and then the filter screen 11 is longitudinally pressed (the filter screen 11 longitudinally moves along the longitudinal sliding strip hole 14), so that the positioning frame 21 is inserted into the box body 1. When the fan impeller works, the driving motor 6 is electrified, the driving motor 6 drives the second belt pulley 7 to rotate, and the second belt pulley 7 drives the first belt pulley 5, the driven shaft 4 and the fan impeller 3 to rotate through the belt 8, so that the fan impeller works.
Claims (5)
1. A cabinet type centrifugal ventilator with a filter screen comprises a box body (1) and a fan volute (2) arranged in the box body (1); a fan impeller (3) and a driven shaft (4) are arranged in the fan volute (2); one end of the driven shaft (4) is connected with the fan impeller (3), and the other end of the driven shaft penetrates through the box body (1) and is connected with a first belt pulley (5); a driving motor (6) is fixed on the outer side of the box body (1); the driving motor (6) is connected with a second belt pulley (7); the first belt pulley (5) is in transmission connection with the second belt pulley (7) through a belt (8); the air outlet (9) and the air inlet (10) are formed in the box body (1), and the air conditioner is characterized in that: a filter screen (11) is connected to the air inlet (10) on the outer side of the box body (1); the upper end and the lower end of the side edge of the box body (1) are both provided with connecting holes (12); the connecting holes (12) are detachably connected with mounting pieces (13); the mounting pieces (13) are all provided with longitudinal sliding strip holes (14); the upper end and the lower end of the side edge of the filter screen (11) are both connected with rotating shafts (15) corresponding to the two mounting pieces (13); the rotating shaft (15) is rotatably connected in the longitudinal sliding strip hole (14) and is longitudinally connected along the longitudinal sliding strip hole (14) in a sliding manner; the filter screen (11) is connected with the box body (1) through bolts.
2. The cabinet type centrifugal ventilator with the filter screen according to claim 1, wherein: the mounting piece (13) is inserted into the connecting hole (12) and connected with the box body (1) through bolts.
3. The cabinet type centrifugal ventilator with the filter screen according to claim 1, wherein: a positioning frame (21) is arranged on the inner side of the filter screen (11); when the filter screen (11) is connected with the box body (1) through a bolt, the positioning frame (21) is inserted into the box body (1) and the outer wall of the positioning frame (21) is tightly attached to the inner wall of the box body (1).
4. The cabinet type centrifugal ventilator with the filter screen according to claim 1, wherein: the filter screen (11) is square.
5. The cabinet type centrifugal ventilator with the filter screen according to claim 1, wherein: and bolts connected with the box body (1) are arranged at the upper end and the lower end of the left side of the filter screen (11) and at the upper end and the lower end of the right side of the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123240736.0U CN216381905U (en) | 2021-12-22 | 2021-12-22 | Cabinet type centrifugal fan with filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123240736.0U CN216381905U (en) | 2021-12-22 | 2021-12-22 | Cabinet type centrifugal fan with filter screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216381905U true CN216381905U (en) | 2022-04-26 |
Family
ID=81236556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123240736.0U Active CN216381905U (en) | 2021-12-22 | 2021-12-22 | Cabinet type centrifugal fan with filter screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216381905U (en) |
-
2021
- 2021-12-22 CN CN202123240736.0U patent/CN216381905U/en active Active
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