CN213392741U

CN213392741U - High-pressure centrifugal ventilator

Info

Publication number: CN213392741U
Application number: CN202021930936.1U
Authority: CN
Inventors: 周鹏
Original assignee: Guangdong Yuexin Technology Co ltd
Current assignee: Guangdong Yuexin Technology Co ltd
Priority date: 2020-09-07
Filing date: 2020-09-07
Publication date: 2021-06-08
Anticipated expiration: 2030-09-07

Abstract

The utility model provides a high-pressure centrifugal ventilator, which comprises a casing structure; an air inlet structure is arranged at the air inlet position of the shell structure, and an impeller structure is arranged inside the shell structure; the impeller structure is connected with a transmission structure, and the transmission structure is arranged on the support structure; the casing structure comprises a volute casing, reinforcing ribs and an air outlet, wherein the volute casing is arranged in a shape of a laminating spiral line, the air inlet is arranged in the middle of the front end of the volute casing, six reinforcing ribs are arranged on the outer side of the air inlet, the volute casing is installed on the support structure, two reinforcing ribs with high strength are arranged at the installation fixing position of the volute casing, the air outlet is located at the upper left end of the volute casing, the volute casing is designed by an approximate Archimedes spiral line, and the spiral casing has the characteristics of small size, compact design, attractive appearance, durability and the like.

Description

High-pressure centrifugal ventilator

Technical Field

The utility model belongs to the technical field of centrifugal fan, more specifically say, in particular to high-pressure centrifugal fan.

Background

The centrifugal fan is a driven fluid machine which relies on input mechanical energy to increase gas pressure and discharge gas. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; 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.

Based on the aforesaid, current centrifugal fan is in the course of the work, because impeller body and air produce great friction, or the produced sound of air friction is handled to the air inlet position improper, and the transmission shaft etc. is stable enough also can produce the noise in motion transmission process axle inadequately, for the life-span that influences centrifugal fan for a long time.

In view of the above, the present invention provides a high-pressure centrifugal fan, which is improved in view of the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high pressure centrifugal fan to solve current centrifugal fan in the course of the work, because impeller body and air produce great friction, or the produced sound of improper and air friction of air inlet position processing, and transmission shaft etc. also can produce the noise at the motion transmission process axle is unstable inadequately, for a long time for the problem that influences centrifugal fan's life-span.

The purpose and the efficacy of the high-pressure centrifugal ventilator of the utility model are achieved by the following concrete technical means:

a high pressure centrifugal ventilator comprises a housing structure; an air inlet structure is arranged at the air inlet position of the shell structure, and an impeller structure is arranged inside the shell structure; the impeller structure is connected with a transmission structure, and the transmission structure is arranged on the support structure; the casing structure includes snail form shell, air intake, reinforcement muscle and air outlet, snail form shell adopts the appearance setting of laminating helix, and the air intake setting is provided with six reinforcement muscle in the outside of air intake at the front end intermediate position of snail form shell, and snail form shell installs on supporting structure, and the fixed department of snail form shell installation is provided with two reinforcement muscle that have high strength, and the air outlet is in the upper left end position of snail form shell.

Further, the air inlet structure includes air inlet flange and connecting block, the air inlet flange is installed in the air intake position, and the air inlet flange divide into four, and every all is ninety degrees, through adjacent connecting block between every air inlet flange, and the air inlet flange of constitution is the toper structure to inner.

Further, the impeller structure includes the reel, main wheel and blade, the reel is installed on transmission structure, and the reel is the toper structure, and the main wheel passes through the fixed fastening of screw rod on the reel, is provided with eight blades on the main wheel, and the blade is the arc tilt state.

Further, transmission structure includes the bearing box, transmission shaft and shaft coupling, the transmission shaft cup joints and fixes in the bearing box, and the transmission shaft link up and passes the bearing box, and transmission shaft one end is connected with the reel, and the transmission shaft other end then passes through shaft coupling and motor interconnect.

Further, the support structure comprises a mounting frame and channel steel, the mounting frame is trapezoidal, the bearing box is fixed on the mounting frame, and four channel steel are arranged at the bottom of the mounting connection.

Compared with the prior art, the utility model discloses following beneficial effect has:

casing structure's setting, the design of snail form shell with approximate Archimedes spiral line has small, and the design is compact, characteristics such as pleasing to the eye durable, installs additional reinforcing rib in the outside of snail form shell air intake for the air intake of snail form shell is more stable, and installs twice reinforcing rib at snail form shell back equally, and reinforcing rib at the back is direct and supporting structure reciprocal anchorage, mainly plays the stability to casing structure.

The setting of air inlet structure, outside air inlet flange is for cup jointing the impeller in the structure to cup joint the installation with the air inlet flange for can be more convenient, fall into the same four bibliographic categories branch with the air inlet flange, install the air inlet flange concatenation through the connecting block respectively, thereby reach the purpose that makes things convenient for the air inlet flange to install in the impeller structure, inboard slope is conical air inlet flange simultaneously and can realize better air inlet effect, and also can reduce certain noise.

The setting of transmission structure will be originally can be directly with the transmission shaft that the shaft coupling is connected, stabilizes fixed mounting through the bearing box, can have the bearing that multiunit axial and circumference are firm usually in the bearing box for power has better stability after the transmission shaft, thereby reduces a noise.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the transmission structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the main wheel of the present invention;

fig. 4 is a schematic structural view of the impeller of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a housing structure; 101. a volute shell; 102. an air inlet; 103. reinforcing ribs; 104. an air outlet; 2. an air inlet structure; 201. an air inlet flange; 202. connecting blocks; 3. an impeller structure; 301. a reel; 302. a main wheel; 303. a blade; 4. a transmission structure; 401. a bearing housing; 402. a drive shaft; 403. a coupling; 5. a scaffold structure; 501. a mounting frame; 502. channel steel;

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a high-pressure centrifugal ventilator, which comprises a casing structure 1; an air inlet structure 2 is arranged at the air inlet position of the shell structure 1, and an impeller structure 3 is arranged in the shell structure 1; the impeller structure 3 is connected with a transmission structure 4, and the transmission structure 4 is arranged on the support structure 5; the casing structure 1 comprises a volute casing 101, an air inlet 102, reinforcing ribs 103 and an air outlet 104, wherein the volute casing 101 is arranged in a shape fitting a spiral line, the air inlet 102 is arranged in the middle of the front end of the volute casing 101, and six reinforcing ribs 103 are arranged on the outer side of the air inlet 102, the volute casing 101 is arranged on the support structure 5, two reinforcing ribs 103 with high strength are arranged at the mounting and fixing position of the snail-shaped shell 101, the air outlet 104 is positioned at the left upper end of the snail-shaped shell 101, the snail-shaped shell 101 is designed by approximate Archimedes spiral line, and has the characteristics of small volume, compact design, attractive appearance, durability and the like, the reinforcing rib 103 is additionally arranged on the outer side of the air inlet 102 of the volute casing 101, so that the air inlet 102 of the volute casing 101 is more stable, and two reinforcing ribs 103 are also arranged on the back surface of the volute casing 101, and the reinforcing ribs 103 on the back surface are directly fixed with the support structure 5, so that the stability of the casing structure 1 is mainly achieved.

Wherein, air inlet structure 2 includes air inlet flange 201 and connecting block 202, air inlet flange 201 is installed in air intake 102 position, and air inlet flange 201 divide into four, and every all is ninety degrees, through adjacent connecting block 202 block between every air inlet flange 201, the air inlet flange 201 of constitution is the toper structure to inner, outside air inlet flange 201 is for cup jointing in impeller structure 3, thereby in order can be more convenient cup jointing the installation with air inlet flange 201, divide into the same four bibliographic categories with air inlet flange 201, install air inlet flange 201 through connecting block 202 concatenation respectively, thereby reach the purpose that makes things convenient for air inlet flange 201 to install in impeller structure 3, inboard slope is conical air inlet flange 201 can realize better air inlet effect simultaneously, and also can reduce certain noise.

Wherein, impeller structure 3 includes reel 301, main wheel 302 and blade 303, reel 301 is installed on drive structure 4, and reel 301 is the toper structure, main wheel 302 passes through the fixed fastening of screw rod on reel 301, be provided with eight blades 303 on the main wheel 302, blade 303 is the arc tilt state, blade 303 on the main wheel 302 is mostly straight state in centrifugal fan usually, establish to the arc to straight blade 303 originally, make blade 303 can catch wind more effectively when rotating, and curved blade 303 is when contacting with wind simultaneously, can let wind can be better flow, thereby also reached the effect of making an uproar.

Wherein, drive structure 4 includes bearing box 401, transmission shaft 402 and shaft coupling 403, transmission shaft 402 cup joints and fixes in bearing box 401, and transmission shaft 402 link up and passes bearing box 401, transmission shaft 402 one end is connected with reel 301, the transmission shaft 402 other end then passes through shaft coupling 403 and motor interconnect, will originally can be directly with transmission shaft 402 that shaft coupling 403 is connected, stabilize fixed mounting through bearing box 401, can have the bearing that multiunit axial and circumference are firm usually in bearing box 401, make power have better stability after transmission shaft 402, thereby reduce a noise.

Wherein, supporting structure 5 includes mounting bracket 501 and channel-section steel 502, and mounting bracket 501 is trapezoidal, and bearing box 401 is fixed on mounting bracket 501, and the installation connects the bottom to be provided with four channel-section steels 502, and mounting bracket 501 mainly uses for installation supporting housing structure 1 and drive structure 4, because mounting bracket 501 is trapezoidal shape to bearing box 401 on mounting bracket 501 has and more stable effect, makes centrifugal fan more stable at the during operation, thereby has reduced produced noise.

The specific use mode and function of the embodiment are as follows:

in the utility model, the spiral shell 101 is designed by approximate Archimedes spiral line, which has the characteristics of small volume, compact design, beautiful appearance, durability and the like, the back of the spiral shell 101 is also provided with two reinforcing ribs 103, the reinforcing ribs 103 on the back are directly fixed with the support structure 5, which mainly plays the role of stability to the casing structure 1, the external air inlet flange 201 is sleeved in the impeller structure 3, so that the air inlet flange 201 can be more conveniently sleeved and installed, the air inlet flange 201 is divided into the same four parts, the air inlet flange 201 is respectively spliced and installed through the connecting blocks 202, thereby achieving the purpose of conveniently installing the air inlet flange 201 in the impeller structure 3, meanwhile, the air inlet flange 201 which is inclined in a cone shape at the inner side can realize better air inlet effect, and also can reduce certain noise, at the transmission shaft 402, the transmission shaft 402 which can be directly connected with the coupling 403 originally, stable fixed mounting is carried out through bearing housing 401, will have the firm bearing of multiunit axial and circumference usually in bearing housing 401 for power has better stability after through transmission shaft 402, thereby reduces a noise.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A high-pressure centrifugal fan, its characterized in that: comprises a housing structure (1); an air inlet structure (2) is arranged at an air inlet position of the shell structure (1), and a impeller structure (3) is arranged inside the shell structure (1); the impeller structure (3) is connected with a transmission structure (4), and the transmission structure (4) is arranged on the support structure (5); casing structure (1) includes snail form shell (101), air intake (102), reinforcement muscle (103) and air outlet (104), snail form shell (101) adopt the appearance setting of laminating helix, and air intake (102) set up the front end intermediate position at snail form shell (101), and are provided with six in the outside of air intake (102) and reinforce muscle (103), and snail form shell (101) are installed on supporting structure (5), and snail form shell (101) fixed mounting department is provided with two reinforcement muscle (103) that have high strength, and air outlet (104) are in the upper left end position of snail form shell (101).

2. The high pressure centrifugal ventilator of claim 1 wherein: the air inlet structure (2) includes air inlet flange (201) and connecting block (202), install in air intake (102) position air inlet flange (201), and air inlet flange (201) divide into four, and every all is ninety degrees, through adjacent connecting block (202) block between every air inlet flange (201), the air inlet flange (201) of constitution is the toper structure to inner.

3. The high pressure centrifugal ventilator of claim 1 wherein: impeller structure (3) are including reel (301), main wheel (302) and blade (303), install on transmission structure (4) reel (301), and reel (301) are the toper structure, and main wheel (302) pass through the fixed fastening of screw rod on reel (301), are provided with eight blades (303) on main wheel (302), and blade (303) are the arc tilt state.

4. The high pressure centrifugal ventilator of claim 1 wherein: drive structure (4) are including bearing box (401), transmission shaft (402) and shaft coupling (403), transmission shaft (402) cup joint to be fixed in bearing box (401), and transmission shaft (402) link up and pass bearing box (401), and transmission shaft (402) one end is connected with reel (301), and transmission shaft (402) other end then passes through shaft coupling (403) and motor interconnect.

5. The high pressure centrifugal ventilator of claim 1 wherein: the support structure (5) comprises an installation frame (501) and channel steel (502), wherein the installation frame (501) is trapezoidal, a bearing box (401) is fixed on the installation frame (501), and four channel steel (502) are arranged at the bottom of the installation connection.