CN218493876U - Low-noise casing of high-pressure centrifugal fan - Google Patents
Low-noise casing of high-pressure centrifugal fan Download PDFInfo
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- CN218493876U CN218493876U CN202222899623.XU CN202222899623U CN218493876U CN 218493876 U CN218493876 U CN 218493876U CN 202222899623 U CN202222899623 U CN 202222899623U CN 218493876 U CN218493876 U CN 218493876U
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Abstract
The utility model provides a high pressure centrifugal fan's low noise casing, which comprises a housing body, the inner chamber left and right sides of casing body is close to bottom department and has all seted up the spout, two common sliding connection has the slide between the spout, the bottom of slide is close to the equal fixedly connected with damping device of left and right sides department, the top center department fixedly connected with high pressure centrifugal fan body of slide, the top of casing body is close to left side department and runs through and is equipped with the filter screen, the bottom fixedly connected with hose of filter screen, the bottom of hose and the air outlet department fixed connection of high pressure centrifugal fan body. The utility model provides a pair of high pressure centrifugal fan's low noise casing has damping device cooperation slide and carries out the shock attenuation to it, thereby falls through reducing vibrations realization, carries out the syllable-dividing once more through soundproof cotton simultaneously, clears up filterable dust on the filter screen simultaneously, prevents to block up.
Description
Technical Field
The utility model relates to a centrifugal fan field especially relates to a high pressure centrifugal fan's low noise casing.
Background
The fan box can be divided into a centrifugal fan box and an axial flow fan box according to different fans used by the fan box. The centrifugal fan is used in the centrifugal fan box, airflow enters an impeller of the fan axially and then flows mainly along the radial direction, and the fan is manufactured according to the principle of centrifugal action. The axial flow fan is used in the axial flow fan box, and airflow enters an impeller of the fan axially and then flows on a cylindrical surface approximately along the axial direction. Among various types of air supply and exhaust devices, centrifugal fans have been widely accepted due to their characteristics of compact structure, small size, large air pressure, long air supply distance, and the like.
Centrifugal fan is when using, owing to lack filter mechanism for can not filter the air during air suction, thereby influence high pressure centrifugal fan air feed quality, in addition, centrifugal fan can be because of strong vibration noise generation when using, need improve centrifugal fan's stability, reduce the influence of vibration.
Therefore, it is necessary to provide a low noise housing of a high pressure centrifugal fan to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high pressure centrifugal fan's low noise casing has solved and has lacked the big problem of filter equipment and noise.
For solving the technical problem, the utility model provides a pair of high pressure centrifugal fan's low noise casing, which comprises a housing body, the inner chamber left and right sides of casing body is close to bottom department and has all seted up the spout, two common sliding connection has the slide between the spout, the bottom of slide is close to the equal fixedly connected with damping device of left and right sides department, the top center department fixedly connected with high pressure centrifugal fan body of slide, the top of casing body is close to left side department and runs through and is equipped with the filter screen, the bottom fixedly connected with hose of filter screen, the bottom of hose and the air outlet department fixed connection of high pressure centrifugal fan body, the equal fixedly connected with soundproof cotton in the inner chamber left and right sides of casing body, the right side of casing body is close to top fixedly connected with box body, the inner chamber right side fixedly connected with motor of box body.
Preferably, a rotating rod is fixedly connected to the left end of the power output shaft of the motor, the left end of the rotating rod penetrates through the right side of the casing body and is close to the top of the casing body, and a first bevel gear is fixedly connected to the left end of the rotating rod.
Preferably, an L-shaped partition plate is fixedly connected to the position, close to the upper right corner, of the inner cavity of the case body, a rotating shaft is inserted into the bottom of the inner cavity of the L-shaped partition plate, the top end of the rotating shaft penetrates through the position, close to the right side, of the bottom of the inner cavity of the case body, and a disc is fixedly connected to the top end of the rotating shaft.
Preferably, the top of box body articulates there is the movable rod, the left end fixedly connected with connecting plate of movable rod, the bottom fixedly connected with of connecting plate has a plurality of brushes.
Preferably, the top of the disc is fixedly connected with a cylinder at the position close to the right side, the movable rod is provided with a rectangular opening, and the top end of the cylinder penetrates through the inner cavity of the rectangular opening and is movably connected with the rectangular opening.
Preferably, a second bevel gear is sleeved on the outer side edge of the rotating shaft close to the bottom end, and the second bevel gear and the first bevel gear are arranged in a meshed mode.
Compared with the prior art, the utility model provides a pair of high-pressure centrifugal fan's low noise casing has following beneficial effect:
the utility model provides a high pressure centrifugal fan's low noise casing carries out the shock attenuation to it through damping device cooperation slide, thereby falls to realize falling through reducing vibrations and make an uproar, carries out syllable-dividing once more through soundproof cotton simultaneously, filters through the debris of filter screen in to the air, and the equal swing back and forth of one end of movable rod through drives a plurality of brushes through the connecting plate and carries out the swing back and forth, clears up filterable dust on the filter screen, prevents to block up.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a low-noise casing of a high-pressure centrifugal fan according to the present invention;
FIG. 2 is a partial top view of the disk of FIG. 1;
FIG. 3 is an enlarged view taken at A of FIG. 1;
fig. 4 is an enlarged view of fig. 1 at B.
The reference numbers in the figures: 1. casing body, 2, spout, 3, slide, 4, high-pressure centrifugal fan body, 5, damping device, 6, soundproof cotton, 7, filter screen, 8, hose, 9, box body, 10, motor, 11, bull stick, 12, first conical gear, 13, L shape baffle, 14, pivot, 15, disc, 16, cylinder, 17, movable rod, 18, second conical gear, 19, connecting plate, 20, brush.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments.
Please refer to fig. 1, fig. 2, fig. 3, and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of the present embodiment; FIG. 2 is a partial top view at the disk; FIG. 3 is an enlarged view of FIG. 1 at A; fig. 4 is an enlarged view of fig. 2 at B. The utility model provides a high pressure centrifugal fan's low noise casing includes casing body 1, casing body 1's the inner chamber left and right sides is close to bottom department and has all seted up spout 2, common sliding connection has slide 3 between two spout 2, slide 3's bottom is close to the equal fixedly connected with damping device 5 of left and right sides department, slide 3's top center department fixedly connected with high pressure centrifugal fan body 4, casing body 1's top is close to left side department and runs through and is equipped with filter screen 7, the bottom fixedly connected with hose 8 of filter screen 7, the bottom of hose 8 and the air outlet department fixed connection of high pressure centrifugal fan body 4, the equal fixedly connected with soundproof cotton 6 of casing body 1's the inner chamber left and right sides, casing body 1's right side is close to top department fixedly connected with box body 9, the inner chamber right side fixedly connected with motor 10 of box body 9.
The left end of a power output shaft of the motor 10 is fixedly connected with a rotating rod 11, the left end of the rotating rod 11 penetrates through the right side of the machine shell body 1 and is close to the top, and a first bevel gear 12 is fixedly connected with the left end of the rotating rod.
An L-shaped partition plate 13 is fixedly connected to the position, close to the upper right corner, of the inner cavity of the machine shell body 1, a rotating shaft 14 is inserted into the bottom of the inner cavity of the L-shaped partition plate 13, the top end of the rotating shaft 14 penetrates through the position, close to the right side, of the bottom of the inner cavity of the machine shell body 1, and a disc 15 is fixedly connected to the top end of the rotating shaft.
The top of box body 9 articulates there is the movable rod 17, and the left end fixedly connected with connecting plate 19 of movable rod 17, the bottom fixedly connected with a plurality of brushes 20 of connecting plate 19.
The top of the disc 15 is fixedly connected with a column 16 near the right side, a rectangular opening is formed in the movable rod 17, and the top end of the column 16 penetrates through the inner cavity of the rectangular opening and is movably connected with the inner cavity.
The outer edge of the rotating shaft 14 near the bottom end is sleeved with a second bevel gear 18, and the second bevel gear 18 and the first bevel gear 12 are arranged in a mutual meshing manner.
The utility model provides a pair of high pressure centrifugal fan's low noise casing's theory of operation as follows:
the utility model discloses at first when 4 during operations of high pressure centrifugal fan body, it subtracts the shock attenuation to it through 5 cooperation slides 3 of damping device, thereby it makes an uproar to realize falling through reducing vibrations, simultaneously carry out syllable-dividing once more through soundproof cotton 6, debris in to the air are filtered through filter screen 7, accessible starter motor 10, motor 10 rotates and drives bull stick 11 and rotate, bull stick 11 rotates and drives first bevel gear 12 and rotate, first bevel gear 12 rotates and drives pivot 14 through second bevel gear 18 and rotate, pivot 14 rotates and drives disc 15 and rotate, disc 15 rotates and drives cylinder 16 and rotate, because the one end of movable rod 17 articulates on box body 9, the one end that the rectangle opening on the cooperation movable rod 17 drove movable rod 17 when cylinder 16 rotates carries out the seesaw, the equal seesaw of one end of movable rod 17 drives a plurality of brushes 20 through connecting plate 19 and carry out the seesaw, the dust of filtering on filter screen 7 is cleared up, prevent to block up.
Compared with the prior art, the utility model provides a pair of high-pressure centrifugal fan's low noise casing has following beneficial effect:
the utility model discloses, through damping device 5 cooperation slide 3 to its shock attenuation, thereby realize falling the noise through reducing vibrations, carry out secondary sound insulation through soundproof cotton 6 simultaneously, filter debris in to the air through filter screen 7, the equal swing back and forth of one end of movable rod 17 through drives a plurality of brushes 20 through connecting plate 19 and carries out the swing back and forth, clears up filterable dust on filter screen 7, prevents to block up.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a high pressure centrifugal fan's low noise casing, includes casing body (1), its characterized in that: the utility model discloses a high-pressure centrifugal fan, including casing body (1), inner chamber left and right sides, the inner chamber left and right sides of casing body (1) is close to bottom department and has all seted up spout (2), two common sliding connection has slide (3) between spout (2), the bottom of slide (3) is close to equal fixedly connected with damping device (5) of left and right sides department, fixedly connected with high-pressure centrifugal fan body (4) are located to the top center of slide (3), the top of casing body (1) is close to left side department and runs through and is equipped with filter screen (7), the bottom fixedly connected with hose (8) of filter screen (7), the bottom of hose (8) and the air outlet department fixed connection of high-pressure centrifugal fan body (4), the equal fixedly connected with soundproof cotton (6) of inner chamber left and right sides of casing body (1), the right side of casing body (1) is close to top department fixedly connected with box body (9), the inner chamber right side fixedly connected with motor (10) of box body (9).
2. The low-noise casing of the high-pressure centrifugal fan as claimed in claim 1, wherein a rotating rod (11) is fixedly connected to the left end of the power output shaft of the motor (10), the left end of the rotating rod (11) penetrates through the right side of the casing body (1) near the top, and is fixedly connected with a first bevel gear (12).
3. The low-noise casing of the high-pressure centrifugal fan as claimed in claim 2, wherein the inner cavity of the casing body (1) near the top right corner is fixedly connected with an L-shaped partition plate (13), the bottom of the inner cavity of the L-shaped partition plate (13) is inserted with a rotating shaft (14), and the top end of the rotating shaft (14) penetrates through the bottom of the inner cavity of the casing body (1) near the right side and is fixedly connected with a disc (15).
4. The low-noise casing of the high-pressure centrifugal fan according to claim 3, wherein a movable rod (17) is hinged to the top of the box body (9), a connecting plate (19) is fixedly connected to the left end of the movable rod (17), and a plurality of brushes (20) are fixedly connected to the bottom of the connecting plate (19).
5. The low-noise casing of the high-pressure centrifugal fan according to claim 4, wherein a column (16) is fixedly connected to the top of the disc (15) near the right side, a rectangular opening is formed in the movable rod (17), and the top end of the column (16) penetrates through the inner cavity of the rectangular opening and is movably connected with the rectangular opening.
6. The low-noise casing of the high-pressure centrifugal fan as claimed in claim 3, wherein the outer edge of the rotating shaft (14) near the bottom end is sleeved with a second bevel gear (18), and the second bevel gear (18) and the first bevel gear (12) are arranged in a mutually meshed manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899623.XU CN218493876U (en) | 2022-11-01 | 2022-11-01 | Low-noise casing of high-pressure centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222899623.XU CN218493876U (en) | 2022-11-01 | 2022-11-01 | Low-noise casing of high-pressure centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493876U true CN218493876U (en) | 2023-02-17 |
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ID=85197223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222899623.XU Active CN218493876U (en) | 2022-11-01 | 2022-11-01 | Low-noise casing of high-pressure centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493876U (en) |
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2022
- 2022-11-01 CN CN202222899623.XU patent/CN218493876U/en active Active
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