CN216356352U - Novel explosion-proof special ventilation blower of inverter motor - Google Patents

Abstract

The utility model discloses a novel special ventilator for an explosion-proof variable frequency motor, which belongs to the field of ventilators and comprises a case, wherein a switching block is arranged at the bottom of the case, a shock absorption seat is arranged below the switching block, the switching block extends into the shock absorption seat, a plurality of compression springs connected with the shock absorption seat are arranged below the switching block, a silencing nozzle is arranged at the left side of the case, the outer surface of the silencing nozzle is in a round platform shape, the silencing nozzle is made of a sound absorption plate, a plurality of sound absorption holes are formed in the inner wall of the silencing nozzle, the sound absorption holes are in a trapezoid shape, a blowing mechanism is arranged inside the case, a mounting ring is arranged at the right side of the blowing mechanism in the case, a filter screen is arranged at the left end of the mounting ring, and the filter screen is arranged in an inclined manner. The utility model has the advantages of convenient dust cleaning and low noise.

Description

Novel explosion-proof special ventilation blower of inverter motor

Technical Field

The utility model relates to the field of ventilators, in particular to a novel ventilator special for an explosion-proof variable frequency motor.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. The exhaust pressure is lower than 1.5X 10 Pa. Ventilators are widely used for 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 electrical appliances, drying and sorting of grains, wind tunnel wind sources, inflation and propulsion of air cushion boats, and the like.

The existing ventilator can generate large noise during operation, more dust can be accumulated in the ventilator, and the ventilator is difficult to clean, so that the ventilator special for the explosion-proof variable frequency motor, which is convenient to clean dust and low in noise, is urgently required to be developed aiming at the current situation so as to overcome the defects in the current practical application and meet the current requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel special ventilator for an explosion-proof variable frequency motor, which aims to solve the problems in the background technology.

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

the utility model provides a novel special ventilation blower of explosion-proof inverter motor, includes quick-witted case, the bottom of machine case is provided with the switching piece, the shock mount is installed to the below of switching piece, the switching piece extends to in the shock mount, a plurality of compression spring that link to each other with the shock mount are installed to the below of switching piece, the amortization mouth is installed in the left side of machine case, the outward appearance of amortization mouth is the round platform shape, the amortization mouth adopts the abatvoix to make, a plurality of sound absorbing holes have been seted up on the inner wall of amortization mouth, the sound absorbing hole is trapezoidal shape, the internally mounted of machine case has the mechanism of blowing, the right side of mechanism of blowing is installed the collar in quick-witted incasement, the filter screen is installed to the left end of collar, the filter screen slope sets up.

As a further scheme of the utility model: and a plurality of friction wheels attached to the switching block are mounted on the inner walls of the left side and the right side of the shock absorption seat.

As a still further scheme of the utility model: the silencing nozzle is detachably connected with the case through a bolt, and the mounting ring is detachably connected with the case through a bolt.

As a still further scheme of the utility model: the included angle between the filter screen and the vertical direction is 10-20 degrees.

As a still further scheme of the utility model: the blowing mechanism comprises: mounting panel, servo motor and flabellum, the mounting panel is fixed in the inside of quick-witted case, install servo motor on the mounting panel, servo motor's output shaft links to each other with the flabellum.

Compared with the prior art, the utility model has the beneficial effects that: when the novel special ventilator for the explosion-proof variable frequency motor is used, the fan blades are driven to rotate through the servo motor, air is blown through the fan blades, air enters from the right end of the case, dust in the air is filtered through the filter screen, the dust filtered on the filter screen falls off due to the inclined arrangement of the filter screen, the dust falls into the mounting ring, and after the novel special ventilator is used for a long time, the mounting ring and the filter screen can be detached to be cleaned, so that the filtering performance of the filter screen is kept; can produce vibrations when servo motor operation, the machine case will vibrate the transmission and give the switching piece, and the switching piece drives compression spring deformation and cushions, is favorable to reducing vibrations, and the noise reduction simultaneously, when wind process amortization mouth, absorbs the noise through amortization mouth, and then the noise reduction. In conclusion, the dust cleaning device is convenient to clean dust and low in noise.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an internal cross-sectional view of the present invention.

Fig. 3 is a perspective view of the filter net of the present invention.

In the figure: 1. a chassis; 2. a transfer block; 3. a shock absorbing seat; 301. a friction wheel; 302. a compression spring; 4. a silencing nozzle; 401. a sound absorption hole; 5. a mounting ring; 6. a filter screen; 7. a blowing mechanism; 701. mounting a plate; 702. a servo motor; 703. a fan blade.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Examples

Referring to fig. 1 to 3, in the embodiment of the present invention, a novel ventilator dedicated for an explosion-proof variable frequency motor includes a chassis 1, a transfer block 2 is disposed at the bottom of the chassis 1, a shock absorbing seat 3 is disposed below the transfer block 2, the transfer block 2 extends into the shock absorbing seat 3, a plurality of friction wheels 301 attached to the transfer block 2 are disposed on inner walls of left and right sides of the shock absorbing seat 3, a plurality of compression springs 302 connected to the shock absorbing seat 3 are disposed below the transfer block 2, a silencing nozzle 4 is disposed at left side of the chassis 1, the silencing nozzle 4 is detachably connected to the chassis 1 through bolts, an outer surface of the silencing nozzle 4 is in a shape of a circular truncated cone, the silencing nozzle 4 is made of a sound absorbing plate, the sound absorbing plate has advantages of sound absorption, flame retardance, heat insulation, heat preservation, moisture resistance, mildew resistance, good impact resistance, and good independence, and a plurality of sound absorbing holes 401 are disposed on an inner wall of the silencing nozzle 4, inhale sound hole 401 and be trapezoidal shape, the internally mounted of quick-witted case 1 has blowing mechanism 7, blowing mechanism 7 includes: mounting panel 701, servo motor 702 and flabellum 703, mounting panel 701 is fixed in the inside of quick-witted case 1, install servo motor 702 on the mounting panel 701, servo motor 702's output shaft links to each other with flabellum 703, the right side of mechanism 7 of blowing is installed the collar 5 in quick-witted case 1, collar 5 passes through the bolt and can dismantle with quick-witted case 1 and be connected, filter screen 6 is installed to the left end of collar 5, the slope of filter screen 6 sets up, filter screen 6 is 10-20 with the contained angle of vertical direction, because filter screen 6 slopes to set up, is favorable to filterable dust on the filter screen 6 to fall down, and then makes filter screen 6 keep its filtration performance for a long time.

The working principle of the utility model is as follows: when the novel special ventilator for the explosion-proof variable frequency motor is used, the fan blade 703 is driven to rotate through the servo motor 702, air is blown through the fan blade 703, air enters from the right end of the case 1, dust in the air is filtered through the filter screen 6, the filter screen 6 is obliquely arranged, so that the dust filtered on the filter screen 6 falls, the dust falls into the mounting ring 5, and after the novel special ventilator is used for a long time, the mounting ring 5 and the filter screen 6 can be detached for cleaning, so that the filtering performance of the filter screen 6 is kept; can produce vibrations when servo motor 702 moves, quick-witted case 1 will vibrate the transmission and give switching piece 2, and switching piece 2 drives compression spring 302 deformation and cushions, is favorable to reducing vibrations, noise abatement, and simultaneously, when wind through amortization mouth 4, absorb the noise through amortization mouth 4, and then noise abatement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a novel special ventilation blower of explosion-proof inverter motor, includes quick-witted case (1), its characterized in that: the bottom of the case (1) is provided with a transfer block (2), a shock absorption seat (3) is arranged below the transfer block (2), the adapter block (2) extends into the shock absorption seat (3), a plurality of compression springs (302) connected with the shock absorption seat (3) are arranged below the adapter block (2), a silencing nozzle (4) is arranged on the left side of the case (1), the outer surface of the silencing nozzle (4) is in a round table shape, the silencing nozzle (4) is made of a sound absorption plate, a plurality of sound absorption holes (401) are formed in the inner wall of the silencing nozzle (4), the sound absorption hole (401) is in a trapezoidal shape, the blowing mechanism (7) is arranged in the case (1), a mounting ring (5) is arranged on the right side of the blowing mechanism (7) in the case (1), a filter screen (6) is installed at the left end of the installation ring (5), and the filter screen (6) is obliquely arranged.

2. The novel special ventilator for the explosion-proof variable frequency motor according to claim 1, is characterized in that: and a plurality of friction wheels (301) attached to the switching block (2) are mounted on the inner walls of the left side and the right side of the shock absorption seat (3).

3. The novel special ventilator for the explosion-proof variable frequency motor according to claim 1, is characterized in that: the silencing nozzle (4) is detachably connected with the case (1) through a bolt, and the mounting ring (5) is detachably connected with the case (1) through a bolt.

4. The novel special ventilator for the explosion-proof variable frequency motor according to claim 1, is characterized in that: the included angle between the filter screen (6) and the vertical direction is 10-20 degrees.

5. The novel special ventilator for the explosion-proof variable frequency motor according to claim 1, is characterized in that: the blowing mechanism (7) includes: mounting panel (701), servo motor (702) and flabellum (703), mounting panel (701) are fixed in the inside of quick-witted case (1), install servo motor (702) on mounting panel (701), the output shaft and the flabellum (703) of servo motor (702) link to each other.

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