CN219081869U

CN219081869U - Eccentric shell fan

Info

Publication number: CN219081869U
Application number: CN202223514959.6U
Authority: CN
Inventors: 董海峰; 王青春
Original assignee: Yishimer Fan Ningbo Co ltd
Current assignee: Yishimer Fan Ningbo Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-26
Anticipated expiration: 2032-12-28

Abstract

The utility model relates to the technical field of eccentric shell fans, and provides an eccentric shell fan which comprises a support frame, a mixing pipe and an eccentric fan shell, wherein a motor is arranged at the top end of the support frame, the eccentric fan shell is arranged on one side of the motor, a protection structure is arranged on the surface of the eccentric fan shell, an air outlet flange is arranged at one end of the eccentric fan shell, an air inlet channel is arranged on one side of the eccentric fan shell, an air inlet flange is arranged on one side of the air inlet channel, a connecting flange is arranged on one side of the air inlet flange, and a sealing structure is arranged between the connecting flange and the air inlet flange. According to the utility model, through the filter screen arranged on one side of the interior of the air mixing pipe, dust can be prevented from entering the interior of the eccentric fan shell under the filtering action of the filter screen, the clamping sleeve is rotated to move upwards, the clamping sleeve is retracted from the fixed screw, the fixed limit on the filter screen is relieved, the filter screen is taken out from the interior of the air mixing pipe, and the purpose of replacing the filter screen is realized.

Description

Eccentric shell fan

Technical Field

The utility model relates to the technical field of eccentric shell fans, in particular to an eccentric shell fan.

Background

With the continuous development of economic level, fans are widely used, which are machines for increasing gas pressure and discharging gas by means of input mechanical energy, and are driven fluid machines, including centrifugal fans, axial fans, diagonal fans, cross-flow fans and the like, wherein the centrifugal fans have higher pressure.

The existing eccentric shell fan is simple in structure, and has the defects when in use:

1. when the eccentric shell fan is used, air entering the fan is not convenient to filter, dust easily enters the fan to influence the use of an impeller in the fan, and the use effect of the fan is reduced;

2. the eccentric casing fan is damaged due to poor wear resistance of the fan casing, and thus, it is necessary to develop an eccentric casing fan to solve the above problems.

Disclosure of Invention

First, the technical problem to be solved

The utility model aims to provide an eccentric shell fan, which is used for solving the defect that the existing fan is inconvenient to filter air entering the fan.

(II) summary of the utility model

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides an eccentric housing fan, includes support frame, mixes tuber pipe and eccentric fan casing, the motor is installed on the top of support frame, and one side of motor installs eccentric fan casing, eccentric fan casing's surface is provided with protective structure, the air outlet flange is installed to eccentric fan casing's one end, inlet air channel is installed to one side of eccentric fan casing, and inlet air flange is installed to one side of inlet air channel, flange is installed to one side of inlet air flange, be provided with seal structure between flange and the inlet air flange, mix the tuber pipe is installed to one side of flange, the muffler main part is installed to one side of mixing the tuber pipe, and the muffler support is installed to the bottom of muffler main part, one side of mixing the tuber pipe inside is provided with filtration, filtration is including draw-in groove, filter screen, sealing washer, fixed block, fixing screw and cutting ferrule, the filter screen is installed in one side of mixing the inside tuber pipe, the fixed block is all installed on the top of both sides, and fixing screw is all installed on the inside of fixed block, the outside of fixing screw is all installed on one side of sealing washer.

During the use, under the filter effect of filter screen, can avoid the dust to get into the inside of eccentric fan casing, rotate the cutting ferrule, the cutting ferrule upwards moves, withdraws the cutting ferrule from the dead screw, takes out the filter screen from the inside of mixing the tuber pipe, changes the filter screen, and the sealing washer can strengthen the leakproofness between air inlet flange and the flange, avoids appearing the air and leaks the problem from air inlet flange and flange's clearance department, and the wearing performance of eccentric fan casing can be strengthened to the wearing layer, and the high temperature resistant performance of eccentric fan casing can be strengthened to the high temperature resistant layer.

Preferably, the sealing structure comprises a sealing ring, a first limit groove and a second limit groove, wherein the second limit groove is arranged on one side of the air inlet flange, the sealing ring is arranged in the second limit groove, and the first limit groove is arranged on one side of the connecting flange. The sealing structure can enhance the sealing performance between the air inlet flange and the connecting flange.

Preferably, the first limit groove is equal to the second limit groove in size, and one side of the sealing ring is arranged in the first limit groove. Through the setting of sealing washer, can play certain sealed effect.

Preferably, the fixing screw is fixed on the air mixing pipe, and the fixing screw is vertically and centrally symmetrically distributed through the filter screen. The stability of filter screen installation can be improved through the fixing screw rods that the symmetry set up.

Preferably, a thread groove is formed in the clamping sleeve, and the clamping sleeve is meshed with the fixing screw rod through the thread groove. Through the setting of cutting ferrule and fixing screw, be convenient for carry out the dismouting to the filter screen.

Preferably, the protection structure comprises a wear-resistant layer, a high temperature resistant layer and a protective coating, wherein the protective coating is arranged on the surface of the eccentric fan shell, the high temperature resistant layer is arranged on the surface of the protective coating, and the wear-resistant layer is arranged on the surface of the high temperature resistant layer. The protection structure can play a certain protection role on the eccentric fan shell.

Preferably, the wear-resistant layer is a ceramic nano wear-resistant coating, and the high temperature resistant layer is a nano high temperature resistant coating.

(III) beneficial effects

The eccentric shell fan provided by the utility model has the advantages that:

(1) Through the filter screen arranged at one side of the interior of the air mixing pipe, dust can be prevented from entering the interior of the eccentric fan shell under the filtering action of the filter screen, the clamping sleeve is rotated to move upwards, the clamping sleeve is retracted from the fixing screw, the fixing restriction on the filter screen is relieved, the filter screen is taken out from the interior of the air mixing pipe, and the purpose of replacing the filter screen is realized;

(2) The sealing ring is arranged between the air inlet flange and the connecting flange, so that the sealing property between the air inlet flange and the connecting flange can be enhanced, the problem that air leaks from a gap between the air inlet flange and the connecting flange is avoided, and the using effect of the fan is improved;

(3) Through the wearing layer that sets up at eccentric fan casing surface, under the guard action of wearing layer, can strengthen the wear resistance of eccentric fan casing, prolong its life, under the guard action of high temperature resistant layer, can strengthen the high temperature resistance of eccentric fan casing.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic diagram of a partial side view of the present utility model;

FIG. 3 is a schematic view of a part of a seal structure according to the present utility model;

FIG. 4 is a schematic cross-sectional elevation view of a filter structure according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;

fig. 6 is a schematic three-dimensional structure of the protective structure of the present utility model.

Reference numerals in the drawings illustrate: 1. a motor; 2. a support frame; 3. an air outlet flange; 4. an air inlet channel; 5. a connecting flange; 6. a mixing pipe; 7. a muffler bracket; 8. a muffler body; 9. a sealing structure; 901. a seal ring; 902. a first limit groove; 903. the second limit groove; 10. a filtering structure; 1001. a clamping groove; 1002. a filter screen; 1003. a sealing gasket; 1004. a fixed block; 1005. a fixed screw; 1006. a cutting sleeve; 11. an air inlet flange; 12. an eccentric fan housing; 13. a protective structure; 1301. a wear-resistant layer; 1302. a high temperature resistant layer; 1303. and (3) a protective coating.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by one of ordinary skill in the art without inventive faculty, are intended to be within the scope of the present utility model, based on the embodiments of the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1-6, the eccentric casing fan provided by the utility model comprises a supporting frame 2, a mixing pipe 6 and an eccentric fan casing 12, wherein a motor 1 is installed at the top end of the supporting frame 2, one side of the motor 1 is provided with the eccentric fan casing 12, one end of the eccentric fan casing 12 is provided with an air outlet flange 3, one side of the eccentric fan casing 12 is provided with an air inlet channel 4, one side of the air inlet channel 4 is provided with an air inlet flange 11, one side of the air inlet flange 11 is provided with a connecting flange 5, one side of the connecting flange 5 is provided with the mixing pipe 6, one side of the mixing pipe 6 is provided with a silencer main body 8, the bottom end of the silencer main body 8 is provided with a silencer bracket 7, one side inside the mixing pipe 6 is provided with a filtering structure 10, the filtering structure 10 comprises a clamping groove 1001, a filter screen 1002, a sealing gasket 1003, fixing blocks 1005 and a clamping sleeve 1006, the filter screen 1002 is installed at one side inside the mixing pipe 6, the bottom end of one side of the mixing pipe 6 is provided with the fixing blocks 1004, the fixing screws 1005 are installed at the top ends of the two sides of the fixing blocks 1004, the fixing screws 1005 are installed inside the fixing screws 1005, the fixing screws 1006 are installed at the outer sides of the fixing screws 1005, the fixing screws 1006 are symmetrically arranged inside the fixing screws 1005, and the fixing screws 1005 are vertically and are arranged inside the fixing screws 1005 through the sealing gaskets, and the fixing screws 1006 through the sealing gaskets 6, and the fixing screws are arranged inside the fixing screws and the fixing screws through the fixing screws and the sealing gaskets and the fixing screws and the sealing gaskets.

In this embodiment, through the filtering effect of the filter screen 1002, dust can be prevented from entering the eccentric fan housing 12 to a certain extent, when the filter screen 1002 needs to be replaced, the cutting sleeve 1006 is rotated, the cutting sleeve 1006 moves upwards, the cutting sleeve 1006 is retracted from the fixing screw 1005, the fixing restriction on the filter screen 1002 is released, and the filter screen 1002 is taken out from the interior of the air mixing pipe 6 to be replaced.

Example two

The embodiment further includes: be provided with seal structure 9 between flange 5 and the air inlet flange 11, seal structure 9 is including sealing washer 901, first spacing groove 902 and second spacing groove 903, and one side in air inlet flange 11 is installed to second spacing groove 903, and the internally mounted of second spacing groove 903 has sealing washer 901, and first spacing groove 902 is installed in one side in flange 5 inside, and the size of first spacing groove 902 and second spacing groove 903 equals, and one side of sealing washer 901 sets up in the inside of first spacing groove 902.

The surface of eccentric fan casing 12 is provided with protective structure 13, and protective structure 13 is including wearing layer 1301, high temperature resistant layer 1302 and protective coating 1303, and protective coating 1303 installs on the surface of eccentric fan casing 12, and the surface mounting of protective coating 1303 has high temperature resistant layer 1302, and the surface mounting of high temperature resistant layer 1302 has wearing layer 1301, and wearing layer 1301 is ceramic nanometer wearing coating, and high temperature resistant layer 1302 is nanometer high temperature resistant coating.

In this embodiment, the sealing ring 901 can enhance the tightness between the air inlet flange 11 and the connecting flange 5, so as to avoid air leakage from the gap between the air inlet flange 11 and the connecting flange 5 to a certain extent, and enhance the wear resistance and high temperature resistance of the eccentric fan housing 12 under the protection action of the wear-resistant layer 1301 and the high temperature resistant layer 1302, thereby prolonging the service life thereof.

The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present utility model without undue burden.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims

1. Eccentric casing fan, including support frame (2), mix tuber pipe (6) and eccentric fan casing (12), its characterized in that: the top end of the supporting frame (2) is provided with a motor (1), and one side of the motor (1) is provided with an eccentric fan shell (12);

the air inlet device comprises an eccentric fan shell (12), an air inlet channel (4) is arranged at one end of the eccentric fan shell (12), an air inlet flange (11) is arranged at one side of the air inlet channel (4), a connecting flange (5) is arranged at one side of the air inlet flange (11), a sealing structure (9) is arranged between the connecting flange (5) and the air inlet flange (11), and a mixing pipe (6) is arranged at one side of the connecting flange (5);

silencer main part (8) are installed to one side of mixing pipe (6), and silencer support (7) are installed to the bottom of silencer main part (8), one side of mixing pipe (6) inside is provided with filtration (10), filtration (10) are including draw-in groove (1001), filter screen (1002), sealed pad (1003), fixed block (1004), fixing screw (1005) and cutting ferrule (1006), one side inside mixing pipe (6) is installed to filter screen (1002), the bottom on one side inside mixing pipe (6) is installed to draw-in groove (1001), fixed block (1004) are all installed on the top of filter screen (1002) both sides, and fixed screw (1005) are all installed to the inside of fixed block (1004), cutting ferrule (1006) are all installed in the outside of fixed screw (1005), sealed top on one side inside mixing pipe (6) is installed to pad (1003).

2. The eccentric housing fan as in claim 1 wherein: the sealing structure (9) comprises a sealing ring (901), a first limiting groove (902) and a second limiting groove (903), wherein the second limiting groove (903) is arranged on one side of the inside of the air inlet flange (11), the sealing ring (901) is arranged in the second limiting groove (903), and the first limiting groove (902) is arranged on one side of the inside of the connecting flange (5).

3. The eccentric housing fan as in claim 2 wherein: the size of the first limit groove (902) is equal to that of the second limit groove (903), and one side of the sealing ring (901) is arranged in the first limit groove (902).

4. The eccentric housing fan as in claim 1 wherein: the fixing screws (1005) are fixed on the air mixing pipe (6), and the fixing screws (1005) are vertically and centrally symmetrically distributed through the filter screen (1002).

5. The eccentric housing fan as in claim 1 wherein: the inside of cutting ferrule (1006) is provided with the screw thread groove, cutting ferrule (1006) is through screw thread groove and fixed screw rod (1005) meshing.

6. The eccentric housing fan as in claim 1 wherein: the protection structure (13) comprises a wear-resistant layer (1301), a high-temperature-resistant layer (1302) and a protective coating (1303), wherein the protective coating (1303) is arranged on the surface of the eccentric fan shell (12), the high-temperature-resistant layer (1302) is arranged on the surface of the protective coating (1303), and the wear-resistant layer (1301) is arranged on the surface of the high-temperature-resistant layer (1302).

7. The eccentric housing fan as in claim 6 wherein: the wear-resistant layer (1301) is a ceramic nano wear-resistant coating, and the high-temperature resistant layer (1302) is a nano high-temperature resistant coating.