CN211623776U - Ventilation fan - Google Patents

Abstract

The utility model provides a ventilation fan belongs to ventilation fan technical field. This scavenger fan, including the host computer, panel and fossil fragments subassembly, the host computer sets up fossil fragments subassembly top, the panel sets up in fossil fragments subassembly below, the host computer includes the casing, be equipped with the wind channel in the casing, be fixed with the motor in the wind channel, be fixed with the impeller on the motor, the casing is equipped with the apron, suction hole has on the apron, the panel includes mount pad and mounting panel, a plurality of mounting grooves have on the mount pad, the mounting panel has a plurality of installation stabilizer blades, installation stabilizer blade and mounting groove position one-to-one, installation stabilizer blade lower extreme is installed in the mounting groove, the clearance has between mounting panel and the mounting groove, the mount pad has the middle part and has the mounting hole, the mounting hole is coaxial with suction hole, all upwards hem has around. The utility model discloses specifically improve ventilation effect's advantage.

Description

Ventilation fan

Technical Field

The utility model belongs to the technical field of the scavenger fan, a scavenger fan is related to.

Background

At present, there are three types of ventilation methods of a ventilation fan, i.e., a discharge type, a suction type, and a combined type. The exhaust type air inlet device enters air from a natural air inlet and exhausts dirty air through the ventilation fan; fresh air is sucked in through the ventilation fan in a suction mode, and dirty air is exhausted from the natural exhaust port; the combined use mode is that air suction and air exhaust are completed by a ventilator. The motor drives the fan blades to rotate to drive airflow, so that indoor air and outdoor air are exchanged. Also known as a ventilating fan. The purpose of ventilation is to remove dirty air from the room, regulate temperature, humidity and sensory effects. The ventilating fan is widely applied to families and public places.

The ventilator in the traditional bathroom adopts the fan to directly suck air from the front side for ventilation, and the ventilator in the bathroom is relatively high in comfort, so that the technical problem to be solved by technical personnel in the field is how to improve the air effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem of the prior art, and provides a ventilation fan, which aims to solve the technical problem of how to improve the ventilation effect.

The purpose of the utility model can be realized by the following technical proposal: a ventilation fan comprises a main machine and a ventilation fan body, panel and fossil fragments subassembly, the host computer sets up fossil fragments subassembly top, the panel sets up in fossil fragments subassembly below, the host computer includes the casing, be equipped with the wind channel in the casing, be fixed with the motor in the wind channel, be fixed with the impeller on the motor, the casing is equipped with the apron, the suction hole has on the apron, the panel includes mount pad and mounting panel, a plurality of mounting grooves have on the mount pad, the mounting panel has a plurality of installation stabilizer blades, installation stabilizer blade and mounting groove position one-to-one, installation stabilizer blade lower extreme is installed in the mounting groove, the clearance has between mounting panel and the mounting groove, the clearance is 10MM, the mount pad has the middle part and has the mounting hole, the mounting hole is coaxial with the suction hole, all have ascending hem around the mount pad, the hem both ends have the breach of stepping down, the fossil fragments subassembly includes fossil fragments one.

The inner diameter of the mounting hole is 172MM, the upper edge of the mounting hole is connected with an annular flange, the annular flange and the fixing ring are coaxially arranged, and the annular flange is sleeved on the outer side of the fixing ring. The inner side of the folded edge is provided with an anti-slip sheet.

The inner diameter of the suction hole is 140MM, a reinforcing edge is arranged below the suction hole, and a fixing ring is arranged on the reinforcing edge.

Compared with the prior art, the utility model discloses following beneficial effect has: at first, starter motor, motor drive impeller rotate, and the impeller rotates inhales indoor air from the suction hole, then discharges from the wind channel, and the process air of inhaling the air inhales from the clearance between mounting panel and the mounting groove, and the air can be and evenly enters the host computer all around, reduces the noise of taking a breath, has improved the ventilation effect, has promoted user's travelling comfort greatly.

Drawings

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

Fig. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is an exploded schematic view of the present invention.

Fig. 4 is a schematic view of the mounting seat of the present invention.

Fig. 5 is a schematic view of the cover plate of the present invention.

In the figure, 1, a motor; 2. an impeller; 3. a housing; 4. a cover plate; 4a, a reinforcing edge; 4b, a fixing ring; 5. a mounting seat; 5a, mounting grooves; 5b, folding edges; 5c, annular flanging; 5d, anti-slip sheets; 6. mounting a plate; 6a, mounting support legs; 7. a keel I; 8. a keel II; 9. a gap.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-5, a ventilator comprises a main unit, a panel and a keel assembly, wherein the main unit is arranged above the keel assembly, the panel is arranged below the keel assembly, the main unit comprises a housing 3, an air duct is arranged in the housing 3, a motor 1 is fixed in the air duct, an impeller 2 is fixed on the motor 1, the housing 3 is provided with a cover plate 4, the cover plate 4 is provided with a suction hole, the panel comprises a mounting seat 5 and a mounting plate 6, the mounting seat 5 is provided with a plurality of mounting grooves 5a, the mounting plate 6 is provided with a plurality of mounting support legs 6a, the mounting support legs 6a correspond to the mounting grooves 5a one by one, the lower ends of the mounting support legs 6a are mounted in the mounting grooves 5a, a gap 9 is arranged between the mounting plate 6 and the mounting grooves 5a, the gap 9 is 10MM, the mounting seat 5 is provided with a mounting hole in the, hem 5b both ends have the breach of stepping down, and the fossil fragments subassembly includes fossil fragments one 7 and two 8 of fossil fragments, and relative hem 5b that sets up is held through fossil fragments one 7 and two 8 of fossil fragments respectively.

The inner diameter of the mounting hole is 172MM, the upper edge of the mounting hole is connected with an annular flange 5c, the annular flange 5c and the fixing ring 4b are coaxially arranged, and the annular flange 5c is sleeved on the outer side of the fixing ring 4 b. The inner side of the folded edge 5b is provided with an anti-slip sheet 5 d.

The inner diameter of the suction hole is 140MM, a reinforcing edge 4a is arranged below the suction hole, and a fixing ring 4b is arranged on the reinforcing edge 4 a.

The basic principle is as follows: firstly, starting motor 1, motor 1 drives impeller 2 and rotates, and impeller 2 rotates inhales indoor air from the suction hole, then discharges from the wind channel, and the process air of inhaled air inhales from the clearance 9 between mounting panel 6 and the mounting groove 5a, and the air can be in evenly entering the host computer all around, reduces the noise of taking a breath, has improved the ventilation effect, has promoted user's travelling comfort greatly.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to be referred must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "two," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although the motor 1 is used more herein; an impeller 2; a housing 3; a cover plate 4; the reinforcing rim 4 a; a fixed ring 4 b; a mounting base 5; a mounting groove 5 a; a folded edge 5 b; an annular flange 5 c; an anti-slip sheet 5 d; a mounting plate 6; mounting feet 6 a; a keel I7; a keel II 8; gap 9, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (7)

1. A ventilator comprises a host, a panel and a keel assembly, and is characterized in that the host is arranged above the keel assembly, the panel is arranged below the keel assembly, the host comprises a shell, an air channel is arranged in the shell, a motor is fixed in the air channel, an impeller is fixed on the motor, the shell is provided with a cover plate, a suction hole is formed in the cover plate, the panel comprises a mounting seat and a mounting plate, a plurality of mounting grooves are formed in the mounting seat, the mounting plate is provided with a plurality of mounting support legs, the positions of the mounting support legs correspond to those of the mounting grooves one by one, the lower ends of the mounting support legs are mounted in the mounting grooves, a gap is formed between the mounting plate and the mounting grooves, the mounting seat is provided with a mounting hole in the middle, the mounting hole is coaxial with the suction hole, upward folded edges are formed around the mounting seat, two ends of the, the oppositely arranged folded edges are respectively clamped by the first keel and the second keel.

2. The ventilator of claim 1, wherein the gap ranges from 7 MM to 15 MM.

3. The ventilator of claim 1 wherein the inner diameter of the mounting hole ranges from 164 MM to 180 MM.

4. The ventilator according to claim 1, wherein the inner diameter of the suction hole ranges from 135 MM to 145 MM.

5. The ventilator according to claim 4, wherein a reinforcing rim is provided under the suction hole, and a fixing ring is provided on the reinforcing rim.

6. The ventilation fan according to claim 3, wherein an annular flange is connected to an upper edge of the mounting hole, the annular flange and the fixing ring are coaxially arranged, and the annular flange is sleeved outside the fixing ring.

7. The ventilator according to claim 1, wherein the inner side of the folded edge is provided with an anti-slip sheet.

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