CN215566895U

CN215566895U - Draught fan convenient to install

Info

Publication number: CN215566895U
Application number: CN202121322941.9U
Authority: CN
Inventors: 王敬伟; 纪发达; 旷桂超
Original assignee: Shandong Longgang Silicon Technology Co Ltd
Current assignee: Shandong Longgang Silicon Technology Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-01-18
Anticipated expiration: 2031-06-15

Abstract

A draught fan convenient to install relates to the technical field of draught fans and comprises a mounting plate, wherein support columns are symmetrically arranged on two sides of the upper surface of the mounting plate, fixing plates are connected to the tops of the support columns, sliding grooves are formed in the opposite sides of the two fixing plates, a supporting plate is arranged in the center of the top of the mounting plate, a shell is arranged on the supporting plate, lugs matched with the sliding grooves are arranged on two sides of the upper end of the shell, through holes which are integrally communicated are formed in the lugs and the fixing plates, lead screws are inserted in the through holes, nuts are arranged at the top ends of the lead screws, damping devices are arranged at four corners of the bottom of the supporting plate, one end of each damping device is fixedly connected with the bottom of the supporting plate, and the other end of each damping device is fixedly connected with the top surface of the mounting plate, the working efficiency is improved, and meanwhile, the use stability of the draught fan can be ensured.

Description

Draught fan convenient to install

Technical Field

The utility model relates to the technical field of induced draft fans, in particular to an induced draft fan convenient to install.

Background

The induced draft fan is a device which generates negative pressure through the rotation of an impeller and further extracts air from a system (device), and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial kilns, cooling and ventilation of air conditioning equipment and household electrical equipment, drying and sorting of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships and the like.

Chinese utility model patent with publication number CN210461186U entitled "Fan convenient for installation" discloses a fan, comprising a bottom plate, wherein both sides of the top of the bottom plate are fixedly connected with support rods, the top of the support rods is fixedly connected with a top plate, one side opposite to the two support rods is fixedly connected with a fixing frame, the top of the bottom plate is movably connected with a shell, both sides of the shell are fixedly connected with connecting blocks, one side of the connecting block away from the shell extends to the inner cavity of the fixing frame, one side of the top plate is movably connected with a connecting rod, the bottom of the connecting rod penetrates through the top of the top plate and extends to the lower part of the top plate, the bottom of the connecting rod is fixedly connected with a fixing block, both sides of the bottom of the fixing block are fixedly connected with clamping rods, the bottom of the clamping rods extends to the inner cavity of the fixing frame, both sides of the top of the fixing block are fixedly connected with springs, the top of spring and the bottom fixed connection of roof, the draw-in groove that uses with the kelly cooperation is all seted up to the both sides at connecting block top. The utility model discloses a beneficial effect does: 1. according to the utility model, through the matched use of the bottom plate, the supporting rod, the top plate, the fixing frame, the shell, the connecting block, the connecting rod, the fixing block, the clamping rod, the spring and the clamping groove, the problem that the installation process of the traditional fan is complicated can be effectively solved, the device can effectively and conveniently install the fan, so that the purpose of reducing the labor force of a user is realized, the working efficiency is improved, and meanwhile, the use stability of the fan can be ensured. 2. The fan body fixing structure comprises a bottom plate, a supporting rod, a top plate, a fixing frame, a fixing block, a clamping rod and a spring, wherein the fixing frame is arranged on the bottom plate, the fixing block is arranged on the top plate, the clamping rod is arranged on the fixing frame, the fixing block is arranged on the bottom plate, the clamping rod is arranged on the top plate, the fixing block is arranged on the bottom plate, the clamping rod is arranged on the fixing frame, the fixing block is arranged on the fixing frame, the spring is arranged on the fixing frame, the fixing frame is arranged on the fixing frame, the fixing block is fixed on the connecting block, the fan body is stable, the clamping groove is arranged on the fixing frame, the clamping effect is achieved, the shell can be limited by the limiting groove and the limiting block, the stability is improved, the normal operation of the fan body can be achieved by arranging the ventilating opening and the air outlet pipe, the handle is convenient to operate the connecting rod, and the clamping rod can pass through the fixing frame and the through hole. But has certain disadvantages: 1. a suction inlet of the fan is not provided with a filtering device, so that large-particle pollutants in the air can be sucked into the fan and enter the equipment through an air outlet pipe, and the normal operation of the equipment is not facilitated; 2. when the fan works, the fan is driven by the motor, and the motor rotates to generate vibration, so that noise pollution is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an induced draft fan convenient to install, which can solve the following problems:

1. a suction inlet of the fan is not provided with a filtering device, so that large-particle pollutants in the air can be sucked into the fan and enter the equipment through an air outlet pipe, and the normal operation of the equipment is not facilitated;

2. the fan is driven by the motor during operation, and the motor rotates and produces the vibration, causes noise pollution's technical problem.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an draught fan convenient to installation, includes the mounting panel, mounting panel upper surface bilateral symmetry is provided with the support column, the top of support column is connected with the fixed plate, the spout has all been seted up to two relative one sides of fixed plate, the top center of mounting panel is provided with the backup pad, be provided with the casing in the backup pad, casing upper end both sides be provided with spout matched with lug, the through-hole of an organic whole intercommunication is seted up on lug and the fixed plate, the through-hole interpolation is equipped with the lead screw, the lead screw top is equipped with the nut, the nut is located the top of fixed plate, damping device is installed in backup pad bottom four corners, damping device one end and backup pad bottom fixed connection, the other end and mounting panel top surface fixed connection.

In the technical scheme, the outer wall of the lug is matched with the inner wall of the chute, the lugs on two sides of the shell are arranged in the chute arranged on one side opposite to the fixed plate and slide in the chute in parallel, so that the fixed plate corresponds to the through hole on the lug, the screw rod is inserted into the through hole, the screw rod moves downwards by turning the screw cap until the screw cap is contacted with the top surface of the fixed plate, and the position fixation of the shell can be finished; casing bottom contacts with the backup pad this moment, the backup pad is used for supporting the casing, and the damping device who sets up between backup pad and the mounting panel does benefit to and slows down the vibration that the fan of during operation produced, noise reduction, noise pollution abatement.

Preferably, damping device includes the connecting rod, connecting rod outside cover is equipped with the spring, the spring is by compression state, does benefit to the vibration that the buffer motor during operation produced, reduces noise pollution, realizes the silence operation, spring one end and backup pad bottom surface fixed connection, the other end and mounting panel top surface fixed connection.

Preferably, an impeller is installed in the shell, a motor is connected to the impeller, an output shaft of the motor penetrates through the support plate, and the motor is fixedly arranged at the bottom of the support plate.

Preferably, the top of the shell is of an open structure, a filter screen is installed at the opening, the filter screen is a steel wire mesh with meshes, and the filter screen is favorable for filtering sucked air, so that large-particle impurities in the air are prevented from entering a fan and further entering equipment through an air outlet pipe to influence the normal operation of the equipment; and an induced draft cover is arranged outside the opening.

Preferably, the support column is of a rectangular structure, the cylinder is installed on the support column, the end of the cylinder is connected with the extrusion plate, and the sponge is bonded to one surface of the extrusion plate, which is in contact with the shell.

According to the technical scheme, the cylinder is mounted on the supporting column, the extrusion plate is arranged at the end part of the cylinder, so that the shell can be stabilized in an auxiliary mode through the cylinder, the extrusion plate is located in the middle or at a lower position of two sides of the shell, the fact that the two sides of the upper end of the shell are provided with the convex blocks matched with the sliding grooves in the fixing plate is recorded, the convex blocks and the fixing plate are fixed through the lead screws, the upper end of the shell is fixed, the middle or lower position of the shell is fixed in an auxiliary mode, and the position of the shell is stabilized more conveniently; the sponge is bonded to the surface, in contact with the shell, of the extrusion plate, so that the extrusion plate is prevented from suddenly applying pressure to the shell under the driving of the cylinder, and the outer wall of the shell is prevented from being abraded.

Preferably, the mounting plate is provided with a mounting hole, and a bolt is arranged in the mounting hole.

In the technical scheme, the mounting plate is favorably fixed on the corresponding position of the ground, a wall body or equipment through the bolts by arranging the mounting holes on the mounting plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device can effectively and conveniently install the draught fan, thereby achieving the purpose of reducing the labor force of a user, improving the working efficiency and simultaneously ensuring the use stability of the draught fan.

2. Through setting up backup pad, connecting rod and spring, can slow down the motor and drive the vibration that the impeller rotation produced when rotatory, reduce noise pollution.

3. Through the opening part installation filter screen at the casing, do benefit to and filter inspiratory air, avoid the large granule impurity in the air to get into the fan, and then through going out the tuber pipe entering equipment, influence equipment normal operating.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a perspective view of an induced draft fan of the present invention, which is easy to install;

fig. 2 is an internal structure view of the induced draft fan convenient to install according to the utility model.

Description of reference numerals:

the device comprises a mounting plate 1, a support column 2, a fixing plate 3, a sliding chute 4, a support plate 5, a shell 6, a bump 7, a screw rod 8, a screw cap 9, a connecting rod 10, a spring 11, an impeller 12, a motor 13, a filter screen 14, an induced draft cover 15, an air cylinder 16, an extrusion plate 17, a mounting hole 18 and a bolt 19.

Detailed Description

The utility model will be described in detail by way of example with reference to the accompanying drawings, which form a part hereof, and in which it is to be understood that the described embodiments are by way of illustration only, and not by way of limitation.

Example 1

As shown in fig. 1-2, the induced draft fan convenient to mount comprises a mounting plate 1, wherein the mounting plate 1 is provided with four mounting holes 18, the four mounting holes 18 are distributed at four corners of the mounting plate 1, bolts 19 are arranged in the mounting holes 18, and the mounting plate 1 is favorably fixed on the corresponding position of the ground, a wall or equipment through the bolts 19; the air purifier is characterized in that supporting columns 2 are symmetrically arranged on two sides of the upper surface of the mounting plate 1, the top of each supporting column 2 is connected with a fixing plate 3, a sliding groove 4 is formed in one side, opposite to the two fixing plates 3, of each supporting plate 5 is arranged in the center of the top of the mounting plate 1, a shell 6 is arranged on each supporting plate 5, the top of each shell 6 is of an open structure, a filter screen 14 is arranged at each opening, each filter screen 14 is a steel wire mesh with meshes, the filter screen 14 is favorable for filtering sucked air, large granular impurities in the air are prevented from entering a fan, and further enter equipment through an air outlet pipe, and normal operation of the equipment is influenced; an induced draft cover 15 is arranged outside the opening; an impeller 12 is installed in the shell 6, a motor 13 is connected to the impeller 12, an output shaft of the motor 13 penetrates through the support plate 5, and the motor 13 is fixedly arranged at the bottom of the support plate 5; the two sides of the upper end of the shell 6 are provided with convex blocks 7 matched with the sliding grooves 4, through holes which are integrally communicated are formed in the convex blocks 7 and the fixing plate 3, screw rods 8 are inserted into the through holes, screw caps 9 are arranged at the top ends of the screw rods 8, and the screw caps 9 are located above the fixing plate 3.

Damping device is installed in 5 bottom four corners of backup pad, damping device one end and 5 bottom fixed connection of backup pad, the other end and 1 top surface fixed connection of mounting panel.

Damping device includes connecting rod 10, connecting rod 10 outside cover is equipped with

spring

11, 11 one end of spring and 5 bottom surfaces fixed connection of backup pad, the other end and 1 top surface fixed connection of mounting panel can slow down the vibration that motor 13 rotatory time drive impeller 12 rotated the production through setting up damping device, reduce noise pollution.

Example 2

The same as example 1, except that: the support column 2 is of a rectangular structure, the support column 2 is provided with the air cylinder 16, the end part of the air cylinder 16 is connected with the extrusion plate 17, the extrusion plate 17 is in contact with the middle of the shell 6, and sponge is bonded on one surface of the extrusion plate 17 in contact with the shell 6.

Example 3

The same as example 1, except that: the support column 2 is the rectangle structure, just install cylinder 16 on the support column 2, the end connection of cylinder 16 has stripper plate 17, stripper plate 17 contacts with 6 lower extremes of casing, the one side bonding that stripper plate 17 and casing 6 contacted has the sponge.

When installing the draught fan, at first fix this device in relevant position through mounting hole 18 and bolt 19 on the mounting panel 1, arrange the lug 7 of casing 6 upper end both sides in spout 4 again, promote casing 6 to spout 4 inside removal, align until the through-hole on fixed plate 3 and the lug 7, place lead screw 8 in the through-hole, make lead screw 8 downstream cause fixed plate 3 and lug 7 fixed mutually through turning round nut 9, open cylinder 16, make the stripper plate 17 and the 6 outer walls of casing of 16 tip of cylinder laminate mutually, the steadiness ability of casing 6 has been strengthened, the installation finishes.

During operation, open motor 13, motor 13's output shaft drives the impeller 12 rotatory, passes through induced air cover 15 drainage with external air, and in filter the back entering casing 6 through filter screen 14, the vibration transmission that motor 13 during operation produced arouses casing 6 vibration on casing 6, cushions the shock attenuation through spring 11 that backup pad 5 bottom set up, does benefit to noise pollution abatement.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the application concepts of the present invention are equivalent to or changed within the technical scope of the present invention.

Claims

1. The utility model provides an draught fan convenient to installation, includes mounting panel (1), its characterized in that: the mounting plate is characterized in that supporting columns (2) are symmetrically arranged on two sides of the upper surface of the mounting plate (1), fixing plates (3) are connected to the tops of the supporting columns (2), sliding grooves (4) are formed in two opposite sides of the two fixing plates (3), a supporting plate (5) is arranged in the center of the top of the mounting plate (1), a shell (6) is arranged on the supporting plate (5), convex blocks (7) matched with the sliding grooves (4) are arranged on two sides of the upper end of the shell (6), through holes integrally communicated with the convex blocks (7) and the fixing plates (3) are formed in the through holes, lead screws (8) are inserted in the through holes, nuts (9) are arranged at the top ends of the lead screws (8), the nuts (9) are located above the fixing plates (3), damping devices are installed in four corners of the bottom of the supporting plate (5), and one ends of the damping devices are fixedly connected with the bottom of the supporting plate (5), the other end is fixedly connected with the top surface of the mounting plate (1).

2. The induced draft fan convenient to install of claim 1, wherein: damping device includes connecting rod (10), connecting rod (10) outside cover is equipped with spring (11), spring (11) one end and backup pad (5) bottom surface fixed connection, the other end and mounting panel (1) top surface fixed connection.

3. The induced draft fan convenient to install of claim 1, wherein: an impeller (12) is installed in the shell (6), a motor (13) is connected to the impeller (12), an output shaft of the motor (13) penetrates through the supporting plate (5), and the motor (13) is fixedly arranged at the bottom of the supporting plate (5).

4. The induced draft fan convenient to install of claim 1, wherein: the top of the shell (6) is of an opening structure, a filter screen (14) is installed at the opening, and an induced draft cover (15) is installed on the outer side of the opening.

5. The induced draft fan convenient to install of claim 1, wherein: the support column (2) is of a rectangular structure, the cylinder (16) is installed on the support column (2), the end portion of the cylinder (16) is connected with the extrusion plate (17), and the sponge is bonded to one surface, contacting with the shell (6), of the extrusion plate (17).

6. The induced draft fan convenient to install of claim 1, wherein: the mounting plate (1) is provided with a mounting hole (18), and a bolt (19) is arranged in the mounting hole (18).