CN214274048U

CN214274048U - Combined fan shell

Info

Publication number: CN214274048U
Application number: CN202022716336.1U
Authority: CN
Inventors: 王进; 孙庆华; 邱浩杰; 庄勋利
Original assignee: Qingdao Leiting Heavy Industry Co Ltd
Current assignee: Qingdao Leiting Heavy Industry Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-09-24
Anticipated expiration: 2030-11-20

Abstract

The utility model relates to a combined type fan shell, belonging to the technical field of fan equipment, which is characterized in that the combined type fan shell comprises a cylinder body, an air inlet cover and an air outlet cover, wherein main connecting flanges are respectively fixed at two ends of the cylinder body; an air inlet connecting flange is fixed at the connecting end of the air inlet cover; an air outlet connecting flange is fixed at the connecting end of the air outlet cover; the air inlet connecting flange and the air outlet connecting flange are respectively in bolted connection with main connecting flanges at two ends of the cylinder; the utility model discloses with the fan casing split several parts of dismantling the connection, it is convenient to make and process.

Description

Combined fan shell

Technical Field

The utility model relates to a fan equipment technical field especially relates to a modular fan casing.

Background

A blower is a common type of ventilation equipment used in industrial production. The fan housing is an important part of the fan, and is mainly used for installing and positioning the impeller assembly and guiding airflow. The fan shell comprises a cylinder body, an air inlet cover and an air outlet cover, wherein the air inlet cover and the air outlet cover are fixed at two ends of the cylinder body. When the fan shell is machined, the fan shell is generally integrally formed by adopting a pouring method, after the fan shell is formed, the inner assembly position of the fan shell needs to be machined, and the fan shell is complex in overall shape, inconvenient to machine and low in machining efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular fan casing, with the fan casing split several parts of dismantling the connection, it is convenient to make and process.

The above technical purpose of the present invention can be achieved by the following technical solutions: a combined type fan shell comprises a cylinder body, an air inlet cover and an air outlet cover, wherein main connecting flanges are respectively fixed at two ends of the cylinder body; an air inlet connecting flange is fixed at the connecting end of the air inlet cover; an air outlet connecting flange is fixed at the connecting end of the air outlet cover; the air inlet connecting flange and the air outlet connecting flange are respectively in bolted connection with the main connecting flanges at two ends of the barrel.

Through the technical scheme, main connecting flanges are arranged at the two ends of the barrel, the air inlet connecting flange is arranged at the connecting end of the air inlet cover, the air outlet connecting flange is arranged at the connecting end of the air outlet cover, the barrel, the air outlet cover and the air inlet cover are connected in an installing mode, and therefore the barrel, the air inlet cover and all parts of the air outlet cover which form the fan shell can be manufactured and processed independently.

Preferably, the air outlet cover comprises a conical cover and a straight cylinder cover positioned at the air outlet end of the conical cover, and the straight cylinder cover and the conical cover are fixedly connected and communicated with each other; the cross section area of the conical cover is gradually reduced from one end of the cylinder body to the end far away from the cylinder body.

Through above-mentioned technical scheme, go out the fan housing and include the cone cover and be located the straight cover of cone cover air-out end, and then pass through the air-out of cone cover to the barrel, make the air-out of fan concentrate more to can better ventilate the water conservancy diversion.

Preferably, two ends of the straight cylinder cover are respectively fixed with a straight cylinder connecting flange; one end of the conical cover, which is far away from the cylinder body, is fixedly provided with an intermediate connecting flange; and a straight cylinder connecting flange at one end of the straight cylinder cover, which is close to the conical cover, is in bolted connection with the middle connecting flange.

Through above-mentioned technical scheme, divide into detachable straight cover and cone cover through dismantling the play fan housing to through setting up intermediate flange, straight cover flange, and then can cover cone and straight cover bolted connection, thereby make the processing preparation to going out the fan housing simpler.

Preferably, a reinforcing flange is fixed at one end, away from the cylinder, of the air inlet cover, a plurality of air inlet rib plates are fixed on the circumferential surface of the air inlet cover, and two ends of each air inlet rib plate are fixedly connected with the reinforcing flange and the air inlet connecting flange respectively.

Through the technical scheme, the air inlet cover is supported through the reinforcing flange and the air inlet rib plate, so that the overall structural strength of the air inlet cover can be effectively enhanced, and the air inlet cover is firmer and more durable.

Preferably, a plurality of support rib plates along the axial direction of the barrel are arranged on the circumferential surface of the barrel, the support rib plates are uniformly distributed in the circumferential direction around the axis of the barrel, and two ends of each support rib plate are fixedly connected with the two main connecting flanges respectively.

Through above-mentioned technical scheme, through set up the support floor on the global of barrel, and then strengthen the support to the barrel to can further strengthen the holistic structural strength of barrel.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.

Fig. 1 is a schematic structural diagram of a combined type fan casing.

Fig. 2 is a schematic structural view of the cartridge.

Fig. 3 is a schematic structural view of the air inlet cover.

Fig. 4 is a schematic structural view of the wind outlet cover.

Wherein, 1, a cylinder body; 11. a primary connecting flange; 12. a support rib plate; 2. an air inlet cover; 21. an air inlet connecting flange; 22. a reinforcing flange; 23. an air inlet rib plate; 3. an air outlet cover; 31. a conical cover; 311. a middle connecting flange; 32. a straight cylinder cover; 321. a straight cylinder connecting flange; 33. and an air outlet connecting flange.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a combined type fan shell, referring to fig. 1, comprises a cylinder body 1, an air inlet cover 2 and an air outlet cover 3. The cylinder 1 is used for installing a driving motor and an impeller component of a fan, and further forms an air guide cavity. The air inlet cover 2 and the air outlet cover 3 are cover bodies with openings at two ends, the air inlet cover 2 is positioned at the air inlet end of the cylinder body 1, the air outlet cover 3 is positioned at the air outlet end of the cylinder body 1, and then air inlet and air outlet flow guide are carried out when the fan conducts ventilation through the air inlet cover 2 and the air outlet cover 3.

Referring to fig. 1 and 2, main connection flanges 11 are fixed to both ends of the cylinder 1, respectively. The circumferential surface of the barrel body 1 is provided with a plurality of supporting rib plates 12 along the axial direction of the barrel body 1, the supporting rib plates 12 are uniformly distributed around the axial direction of the barrel body 1, and two ends of each supporting rib plate 12 are fixedly connected with the two main connecting flanges 11 respectively. The supporting rib plates 12 are matched with the main connecting flanges 11 at the two ends of the barrel 1 to well reinforce and support the barrel 1, so that the barrel 1 has higher structural strength and is firm and durable.

Referring to fig. 1 and 3, the air inlet cover 2 is in the shape of a frustum with a cross section gradually reduced from one end far away from the barrel 1 to one end of the barrel 1. An air inlet connecting flange 21 is fixed at the connecting end of the air inlet cover 2. And a reinforcing flange 22 is fixed at one end of the air inlet cover 2 far away from the cylinder body 1. A plurality of air inlet rib plates 23 are fixed on the circumferential surface of the air inlet cover 2, and two ends of the air inlet rib plates 23 are respectively and fixedly connected with the reinforcing flange 22 and the air inlet connecting flange 21. The air inlet rib plate 23 is matched with the air inlet connecting flange 21 and the reinforcing flange 22 at the two ends of the air inlet cover 2 to support the air inlet cover 2, so that the structural strength of the air inlet cover 2 is effectively enhanced, and the air inlet cover 2 is firmer and more durable. The end surface of the air inlet connecting flange 21 is provided with a plurality of air inlet bolt mounting holes which are distributed circumferentially around the axis; the end face of the main connecting flange 11 is also provided with a plurality of main flange bolt mounting holes distributed circumferentially around the axis of the main connecting flange 11, and the air inlet bolt mounting holes correspond to the main flange bolt mounting holes one to one, so that the main connecting flange 11 and the air inlet connecting flange 21 can be bolted by bolts and nuts, and the air inlet cover 2 and the cylinder body 1 are relatively connected and fixed.

Referring to fig. 1 and 4, the wind outlet housing 3 includes a cone housing 31 and a straight cylindrical housing 32 located at the wind outlet end of the cone housing 31, and the straight cylindrical housing 32 is fixedly connected with the cone housing 31 and communicated with each other. The cross-sectional area of the conical cover 31 gradually decreases from one end of the cylinder 1 to the end far away from the cylinder 1. An air outlet connecting flange 33 is fixed at one end of the conical cover 31 connected with the cylinder 1, and an intermediate connecting flange 311 is fixed at one end of the conical cover 31 far away from the cylinder 1. A straight cylinder connecting flange 321 is fixed to each end of the straight cylinder cover 32. The straight cylinder connecting flange 321 at one end of the straight cylinder cover 32 close to the conical cover 31 is bolted with the middle connecting flange 311. The air outlet section of the cylinder 1 is excessive through the conical cover 31, and the air outlet of the fan is more concentrated. The air outlet cover 3 is divided into the cone-shaped cover 31 and the straight cylinder cover 32 which are connected through the bolts, so that the manufacturing and processing difficulty of the air outlet cover 3 is further reduced. The air outlet connecting flange 33 is connected with the main connecting flange 11 close to the end portion of the air outlet connecting flange through bolts, and therefore the air outlet cover 3 and the barrel 1 can be conveniently and quickly mounted and dismounted.

The specific implementation principle of this embodiment is as follows:

through setting up main flange 11 at the both ends of barrel 1, set up air inlet flange 21 at the link of air inlet cover 2, set up air-out flange 33 at the link that goes out fan housing 3, and then adopt bolted connection, with barrel 1, go out fan housing 3, air inlet cover 2 carries out erection joint, thereby can make the processing alone to the barrel 1 that makes up the fan casing, each part of air inlet cover 2 and play fan housing 3, because each part volume reduces, the shape is simple, thereby it is more convenient to make and process. And the air-out cover 3 is split into a cone-shaped cover 31 and a straight cylinder cover 32 which are connected by bolts, thereby further reducing the manufacturing and processing difficulty of the air-out cover 3.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims

1. The utility model provides a modular fan casing, includes barrel (1), air inlet cover (2) and goes out fan housing (3), its characterized in that: main connecting flanges (11) are respectively fixed at two ends of the cylinder body (1); an air inlet connecting flange (21) is fixed at the connecting end of the air inlet cover (2); an air outlet connecting flange (33) is fixed at the connecting end of the air outlet cover (3); the air inlet connecting flange (21) and the air outlet connecting flange (33) are respectively in bolt connection with the main connecting flanges (11) at the two ends of the barrel (1).

2. The modular fan housing of claim 1, wherein: the air outlet cover (3) comprises a conical cover (31) and a straight cylinder cover (32) positioned at the air outlet end of the conical cover (31), and the straight cylinder cover (32) is fixedly connected with the conical cover (31) and communicated with the conical cover (31); the cross section area of the conical cover (31) is gradually reduced from one end of the cylinder body (1) to one end far away from the cylinder body (1).

3. The modular fan housing of claim 2, wherein: a straight cylinder connecting flange (321) is respectively fixed at two ends of the straight cylinder cover (32); one end of the conical cover (31) far away from the cylinder body (1) is fixedly provided with a middle connecting flange (311); and a straight cylinder connecting flange (321) at one end of the straight cylinder cover (32) close to the conical cover (31) is in bolt connection with the middle connecting flange (311).

4. The modular fan housing of claim 2, wherein: the one end that barrel (1) was kept away from in air inlet cover (2) is fixed with and strengthens flange (22), be fixed with a plurality of air inlet floor (23) on the global of air inlet cover (2), the both ends of air inlet floor (23) respectively with strengthen flange (22) and air inlet flange (21) fixed connection.

5. The modular fan housing of claim 1, wherein: the supporting rib plate structure is characterized in that a plurality of supporting rib plates (12) along the axial direction of the barrel body (1) are arranged on the circumferential surface of the barrel body (1), the supporting rib plates (12) are uniformly distributed in the circumferential direction around the axis of the barrel body (1), and two ends of each supporting rib plate (12) are fixedly connected with two main connecting flanges (11) respectively.