CN214837205U

CN214837205U - Industrial double-air-inlet centrifugal fan

Info

Publication number: CN214837205U
Application number: CN202121348777.9U
Authority: CN
Inventors: 董海峰; 李法玲; 董开文
Original assignee: Yishimer Industry Ningbo Co ltd
Current assignee: Yishimer Industry Ningbo Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-11-23
Anticipated expiration: 2031-06-17

Abstract

The utility model discloses a two air-supply type centrifugal fan of industry, including base, air-supply line one, air-supply line two and electric putter. Has the advantages that: the utility model discloses an air-supply line one, air-supply line two, electric putter, the drive connecting rod, the design of flabellum and axis of rotation, not only can realize this centrifugal fan's two mouthful air intakes, centrifugal fan's instantaneous intake has effectively been increased, centrifugal fan's ventilation capacity has been improved, and can realize the automatic switching of air-supply line two according to the in-service use needs, the convenient regulation of centrifugal fan intake has been realized, the loaded down with trivial details of artifical manual regulation has been avoided, the flexibility that centrifugal fan used has been improved, through support one, adjusting screw, fixed cover, the design of mounting panel and guide way, can realize the convenient regulation of motor position when centrifugal fan installs, effectively avoided artifical manual the loaded down with trivial details of lifting and moving, the installation effectiveness of motor is greatly improved, thereby the holistic installation effectiveness of centrifugal fan has been improved.

Description

Industrial double-air-inlet centrifugal fan

Technical Field

The utility model relates to a centrifugal fan technical field, concretely relates to two air inlet formula centrifugal fan of industry.

Background

The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. 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.

However, most of the existing industrial centrifugal fans only adopt single air inlet, the instantaneous air inlet amount of the centrifugal fan is small, the ventilation capacity of the centrifugal fan is greatly reduced, meanwhile, the air inlet amount of the centrifugal fan is mainly adjusted manually by manpower, the use flexibility of the centrifugal fan is greatly reduced, secondly, when the existing industrial centrifugal fan is installed, the motor on the centrifugal fan is mainly moved to realize fine adjustment of the position by manual lifting, the operation process is complicated, the installation efficiency of the motor is greatly reduced, the overall installation efficiency of the centrifugal fan is reduced, and therefore a novel industrial double-air-inlet type centrifugal fan is urgently needed to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the industrial double-air-inlet centrifugal fan is provided, and the problems that the existing industrial centrifugal fan mostly adopts single-air-port air inlet, so that the instantaneous air inlet amount of the centrifugal fan is smaller, the ventilation capacity of the centrifugal fan is greatly reduced, meanwhile, the air inlet amount of the centrifugal fan is mainly adjusted manually by manpower, the use flexibility of the centrifugal fan is greatly reduced, and when the existing industrial centrifugal fan is installed, a motor on the centrifugal fan is mainly moved manually by manpower to realize fine adjustment of the position, the operation process is complex, the installation efficiency of the motor is greatly reduced, and the integral installation efficiency of the centrifugal fan is reduced are solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides an industrial double air inlet type centrifugal fan, which comprises a base, a first air inlet pipe, a second air inlet pipe and an electric push rod, wherein a support pad is connected at the four corners of the bottom end of the base through bolts, a second support is installed at one side of the upper end of the base through bolts, an organism is installed at the upper end of the second support through bolts, the second air inlet pipe is arranged on the side wall of the organism, the first air inlet pipe is arranged at one side of the upper end of the organism, an exhaust pipe is arranged at the other side of the upper end of the organism, fan blades are installed at the two air inlet pipes, rotating shafts are installed on the fan blades, a driving connecting rod is installed at one end of the rotating shafts, the electric push rod is installed above the driving connecting rod, the first support is installed at the other side of the upper end of the base through bolts, a mounting plate is arranged at the middle part of the upper end of the first support, guide grooves are arranged at the two sides below the mounting plate on the first support, the mounting panel both sides are provided with fixed cover in addition, install adjusting screw in the fixed cover, there is the motor mounting panel upper end through bolted connection, the transmission output of motor with all install the band pulley group between the power input of organism.

Furthermore, the second air inlet pipe and the first air inlet pipe are connected with the machine body through bolts, and an air exhaust fan wheel is installed in the machine body.

Through adopting above-mentioned technical scheme, can realize this centrifugal fan's two port air intakes.

Furthermore, the electric push rod is rotatably connected with the machine body, and the electric push rod is rotatably connected with the driving connecting rod.

By adopting the technical scheme, the electric push rod can drive the driving connecting rod to move.

Furthermore, the driving connecting rod is rotatably connected with the rotating shaft, and the rotating shaft is connected with the fan blade through a bolt.

Through adopting above-mentioned technical scheme, the motion of drive connecting rod can drive the axis of rotation rotates to the realization the switching of flabellum.

Furthermore, adjusting screw with fixed cover rotates to be connected, adjusting screw with mounting panel threaded connection, adjusting screw runs through fixed cover and the mounting panel, the mounting panel with guide way sliding connection.

Through adopting above-mentioned technical scheme, can realize the convenient regulation of motor position avoids artifical manual the loaded down with trivial details of lifting and moving, improves motor installation effectiveness greatly, and then improves the holistic installation effectiveness of this centrifugal fan.

Further, the belt wheel set is connected with the machine body and the motor in an all-key mode.

By adopting the technical scheme, the reliable transmission of the motor power can be realized.

(III) advantageous effects

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

1. the utility model discloses a design through air-supply line one, air-supply line two, electric putter, drive connecting rod, flabellum and axis of rotation not only can realize the two port air inlet of this centrifugal fan, has effectively increased the instantaneous air-supply rate of centrifugal fan, has improved the ventilation ability of centrifugal fan, and can realize the automatic switching of air-supply line two according to the actual use needs, has realized the convenient regulation of centrifugal fan air-supply rate, has avoided the loaded down with trivial details of manual regulation, has improved the flexibility that centrifugal fan used;

2. when the installation for solving current industry centrifugal fan, the motor on it mainly lifts through artifical manual and moves the fine setting that realizes the position, and the operation process is comparatively loaded down with trivial details, greatly reduced the installation effectiveness of motor to reduce the problem of the holistic installation effectiveness of centrifugal fan, the utility model discloses a design of support one, adjusting screw, fixed cover, mounting panel and guide way can realize the convenient regulation of motor position when centrifugal fan installs, has effectively avoided the manual loaded down with trivial details of moving of having avoided the manual work, has improved the installation effectiveness of motor greatly, thereby has improved the holistic installation effectiveness of centrifugal fan.

Drawings

Fig. 1 is a schematic structural view of an industrial double air inlet type centrifugal fan according to the present invention;

fig. 2 is a top view of a first bracket in an industrial double air inlet type centrifugal fan.

The reference numerals are explained below:

1. a body; 2. a first air inlet pipe; 3. a pulley block; 4. a motor; 5. fixing a sleeve; 6. adjusting the screw rod; 7. a first bracket; 8. a base; 9. a support pad; 10. a fan blade; 11. a rotating shaft; 12. a second air inlet pipe; 13. a drive link; 14. an exhaust duct; 15. an electric push rod; 16. a second bracket; 17. a guide groove; 18. and (7) mounting the plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, the industrial double air inlet centrifugal fan in this embodiment comprises a base 8, a first air inlet pipe 2, a second air inlet pipe 12 and an electric push rod 15, wherein four corners of the bottom end of the base 8 are connected with a support pad 9 through bolts, one side of the upper end of the base 8 is provided with a second support 16 through bolts, the upper end of the second support 16 is provided with a machine body 1 through bolts, one side wall of the machine body 1 is provided with the second air inlet pipe 12, one side of the upper end of the machine body 1 is provided with the first air inlet pipe 2, the other side of the upper end of the machine body 1 is provided with an exhaust pipe 14, the second air inlet pipe 12 is provided with a fan blade 10, the fan blade 10 is provided with a rotating shaft 11, one end of the rotating shaft 11 is provided with a driving connecting rod 13, the electric push rod 15 is arranged above the driving connecting rod 13, the other side of the upper end of the base 8 is provided with a first support 7 through bolts, the middle part of the upper end of the first support 7 is provided with a mounting plate 18, the first support 7 is provided with guide grooves 17 on two sides below the mounting plate 18, the other both sides of mounting panel 18 are provided with fixed cover 5, install adjusting screw 6 in the fixed cover 5, and there is motor 4 mounting panel 18 upper end through bolted connection, all installs band pulley group 3 between the power input of the transmission output of motor 4 and organism 1.

As shown in fig. 1-2, in this embodiment, the second air inlet pipe 12 and the first air inlet pipe 2 are both connected to the machine body 1 through bolts, an air exhaust fan wheel is installed in the machine body 1, double-port air intake of the centrifugal fan can be realized, the electric push rod 15 is rotatably connected to the machine body 1, the electric push rod 15 is rotatably connected to the driving connecting rod 13, the electric push rod 15 can drive the driving connecting rod 13 to move, the driving connecting rod 13 is rotatably connected to the rotating shaft 11, the rotating shaft 11 is connected to the fan blade 10 through bolts, and the driving connecting rod 13 can drive the rotating shaft 11 to rotate when moving, so as to open and close the fan blade 10.

As shown in fig. 1-2, in this embodiment, adjusting screw 6 is connected with fixed cover 5 rotation, adjusting screw 6 and mounting panel 18 threaded connection, adjusting screw 6 runs through fixed cover 5 and mounting panel 18, mounting panel 18 and guide way 17 sliding connection, can realize the convenient regulation of motor 4 position, avoid artifical manual the loaded down with trivial details of lifting and moving, improve motor 4 installation effectiveness greatly, and then improve the holistic installation effectiveness of this centrifugal fan, pulley block 3 and organism 1 and the equal key-type connection of motor 4, can realize the reliable transmission of motor 4 power.

The specific implementation process of this embodiment is as follows: when in use, the centrifugal fan is firstly placed in a use place according to the mode shown in figure 1, the air inlet pipe I2 and the air inlet pipe II 12 are respectively connected with an external air inlet pipeline, the exhaust pipe is connected with an external exhaust pipeline, then the centrifugal fan is connected with an external control component, the motor 4 is started, and then the centrifugal fan can be put into use, because of the design of the air inlet pipe I2 and the air inlet pipe II 12, double-port air inlet of the centrifugal fan is realized, the instantaneous air inlet quantity of the centrifugal fan is greatly increased, the ventilation capacity of the centrifugal fan is improved, meanwhile, the electric push rod 15 pushes the driving connecting rod 13 to drive the rotating shaft 11 to rotate, the opening and closing of the fan blades 10 can be automatically realized, so that the adjustment of the air inlet quantity is realized, the use flexibility of the centrifugal fan is greatly improved, and when in installation, the position adjustment of the motor 4 can be realized by rotating the adjusting screw rod 6, the use demand that the motor 4 was installed in a flexible way is satisfied, avoids the manual loaded down with trivial details that lifts and move of manual work, improves centrifugal fan overall installation efficiency.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a two air inlet formula centrifugal fan of industry which characterized in that: comprises a base (8), a first air inlet pipe (2), a second air inlet pipe (12) and an electric push rod (15), wherein a support pad (9) is connected to the four corners of the bottom of the base (8) through bolts, a second support (16) is installed on one side of the upper end of the base (8) through bolts, an organism (1) is installed on the upper end of the second support (16) through bolts, the second air inlet pipe (12) is arranged on the side wall of the organism (1), the first air inlet pipe (2) is arranged on one side of the upper end of the organism (1), an exhaust pipe (14) is arranged on the other side of the upper end of the organism (1), fan blades (10) are installed at the second air inlet pipe (12), a rotating shaft (11) is installed on the fan blades (10), a driving connecting rod (13) is installed at one end of the rotating shaft (11), the electric push rod (15) is installed above the driving connecting rod (13), the first support (7) is installed on the other side of the upper end of the base (8) through bolts, support (7) upper end middle part is provided with mounting panel (18), lie in on support (7) mounting panel (18) below both sides are provided with guide way (17), mounting panel (18) both sides are provided with fixed cover (5) in addition, install adjusting screw (6) in fixed cover (5), there are motor (4) mounting panel (18) upper end through bolted connection, the transmission output of motor (4) with all install between the power input of organism (1) and take wheelset (3).

2. The industrial double air inlet type centrifugal fan according to claim 1, characterized in that: the air inlet pipe II (12) and the air inlet pipe I (2) are connected with the machine body (1) through bolts, and an air exhaust fan wheel is installed in the machine body (1).

3. The industrial double air inlet type centrifugal fan according to claim 1, characterized in that: the electric push rod (15) is rotationally connected with the machine body (1), and the electric push rod (15) is rotationally connected with the driving connecting rod (13).

4. The industrial double air inlet type centrifugal fan according to claim 1, characterized in that: the driving connecting rod (13) is rotatably connected with the rotating shaft (11), and the rotating shaft (11) is connected with the fan blades (10) through bolts.

5. The industrial double air inlet type centrifugal fan according to claim 1, characterized in that: adjusting screw (6) with fixed cover (5) rotate to be connected, adjusting screw (6) with mounting panel (18) threaded connection, adjusting screw (6) run through fixed cover (5) and mounting panel (18), mounting panel (18) with guide way (17) sliding connection.

6. The industrial double air inlet type centrifugal fan according to claim 1, characterized in that: the belt wheel set (3) is connected with the machine body (1) and the motor (4) in an equal key mode.