Magnetic suspension high-speed centrifugal fan
Technical Field
The utility model relates to a centrifugal fan technical field especially relates to a high-speed centrifugal fan of magnetic suspension.
Background
The magnetic suspension bearing suspends the rotor in the air by utilizing the magnetic force action, so that the rotor is not in mechanical contact with the stator. The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings.
The air exhaust height of the magnetic suspension centrifugal fan in the prior art is often fixed in the using process, and the use range cannot be adjusted, so that the magnetic suspension centrifugal fan has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem in the background art, and the magnetic suspension high-speed centrifugal fan who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a magnetic suspension high-speed centrifugal fan comprises a fixed box, the upper side wall of the fixed box is fixedly connected with a body through two fixed plates, the upper side wall of the fixed box is fixedly connected with a shell, the rotor of the body is fixedly connected with a rotating shaft which penetrates through the side wall of the shell, the outer wall of the rotating shaft is fixedly connected with a plurality of blades, a U-shaped pipe penetrating through the inner top wall of the fixed box is arranged in the fixed box, one end of the U-shaped pipe close to the shell penetrates through the lower side wall of the shell, one end of the U-shaped pipe far away from the shell is inserted with an L-shaped pipe in a sliding manner, one end of the L-shaped pipe, which is positioned outside the U-shaped pipe, is connected with an exhaust head, a fixed block is fixedly sleeved on the outer wall of the L-shaped pipe, the inner bottom wall fixedly connected with motor of fixed case, the terminal fixedly connected with of output shaft of motor runs through the screw thread section of thick bamboo of fixed incasement roof, screw thread section of thick bamboo female connection have with fixed block downside wall fixedly connected with screw thread post.
Preferably, a baffle is installed on the side wall of the shell, and a dustproof net is arranged on the outer wall of the baffle.
Preferably, the outer wall of the threaded cylinder is fixedly sleeved with a bearing fixedly connected with the upper side wall of the fixed box.
Preferably, the outer wall sleeve of the L-shaped pipe is provided with a sealing ring fixedly connected with the upper end of the U-shaped pipe.
Preferably, the baffle is close to the outer screw thread ring of one side lateral wall fixedly connected with threaded connection on the shells inner wall of casing, the inner wall of casing is seted up with outer screw thread ring assorted thread groove.
Compared with the prior art, the magnetic suspension high-speed centrifugal fan has the advantages that:
1. the threaded column is arranged, the starting motor drives the threaded cylinder to rotate, and then the threaded column axially moves under the rotation of the threaded cylinder, so that the height of the exhaust head is adjusted through the fixing block;
2. the dust screen is arranged, can block dust in the air, prevents the dust from entering the shell, is convenient to mount and dismount, and is convenient to clean;
to sum up, the utility model discloses an axial displacement of screw thread post has realized the altitude mixture control of exhaust head, can avoid the dust to get into the casing through the dust screen of mountable dismantlement simultaneously.
Drawings
Fig. 1 is a schematic structural view of a magnetic suspension high-speed centrifugal fan provided by the present invention;
fig. 2 is a sectional view of a magnetic suspension high-speed centrifugal fan provided by the present invention;
fig. 3 is an exploded view of the casing and the dust screen in the magnetic suspension high-speed centrifugal fan according to the present invention.
In the figure: the device comprises a fixed box 1, a fixed plate 2, a body 3, a shell 4, a rotating shaft 5, a blade plate 6, a U-shaped pipe 7, an L-shaped pipe 8, a wind discharge head 9, a fixed block 10, a motor 11, a threaded cylinder 12, a threaded column 13, a baffle plate 14, a dust screen 15, an external threaded ring 16, a threaded groove 17, a bearing 18 and a sealing ring 19.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a magnetic suspension high-speed centrifugal fan, including fixed case 1, the last lateral wall of fixed case 1 is through two fixed plate 2 fixedly connected with bodies 3, the last lateral wall fixedly connected with casing 4 of fixed case 1, baffle 14 is installed to the lateral wall of casing 4, baffle 14's outer wall is equipped with dust screen 15, baffle 14 is close to one side lateral wall fixedly connected with threaded connection of casing 4 and is connected the external screw thread ring 16 on the inner wall of casing 4, casing 4's inner wall is seted up with external screw thread ring 16 assorted thread groove 17, dust screen 15 can block the dust in the air, avoid the dust to enter into casing 4 in, simultaneously through the meshing of external screw thread ring 16 and thread groove 17, can realize the installation of dust screen 15 and dismantle, made things convenient for the clearance of dust screen 15.
The rotor fixedly connected with of body 3 runs through pivot 5 of 4 lateral walls of casing, and a plurality of vanes of outer wall fixedly connected with 6 of pivot 5, body 3 make the rotor rotate then drive a plurality of vanes 6 through pivot 5 and rotate, make and produce centrifugal action in the casing 4, and outside air passes through U type pipe 7 by dust screen 15 and gets into to L type pipe 8 in, is discharged by air exhaust head 9 at last.
Be equipped with the U type pipe 7 that runs through roof in the fixed box 1 in, the one end that U type pipe 7 is close to casing 4 runs through casing 4's lower lateral wall, and the one end that casing 4 was kept away from to U type pipe 7 slides and inserts and be equipped with L type pipe 8, and the outer wall cover of L type pipe 8 is equipped with and U type pipe 7 upper end fixedly connected with sealing washer 19, and sealing washer 19 has improved the leakproofness between L type pipe 8 and U type pipe 7.
The one end that L type pipe 8 is located U type pipe 7 outside is connected with exhaust head 9, and the fixed cover of outer wall of L type pipe 8 is equipped with fixed block 10, the interior diapire fixedly connected with motor 11 of fixed case 1, and the terminal fixedly connected with of output shaft of motor 11 runs through the screw thread section of thick bamboo 12 of roof in the fixed case 1, and the fixed cover of outer wall of screw thread section of thick bamboo 12 is equipped with and fixes case 1 side wall fixed connection's bearing 18, and bearing 18 has improved the stability when screw thread section of thick bamboo 12 rotates.
The threaded cylinder 12 is connected with a threaded column 13 fixedly connected with the lower side wall of the fixed block 10 through an internal thread, the motor 11 is a positive and negative rotation motor with the model Y160M1-2, the motor 11 is started to drive the threaded cylinder 12 to rotate, and then the L-shaped pipe 8 is limited through the U-shaped pipe 7, so that the threaded column 13 axially moves under the rotation of the threaded cylinder 12, and the height adjustment of the exhaust head 9 is realized through the fixed block 10.
Further, unless otherwise specifically stated or limited, the above-described fixed connection is to be understood in a broad sense, and may be, for example, welded, glued, or integrally formed as is conventional in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.