CN214891663U

CN214891663U - Side wall side air exhaust fan

Info

Publication number: CN214891663U
Application number: CN202120855536.7U
Authority: CN
Inventors: 梁帆
Original assignee: Shaoxing Shangyu Yingda Fan Co ltd
Current assignee: Shaoxing Shangyu Yingda Fan Co ltd
Priority date: 2021-04-25
Filing date: 2021-04-25
Publication date: 2021-11-26
Anticipated expiration: 2031-04-25

Abstract

The utility model discloses a side wall fan of airing exhaust, including the box, the box both ends are air intake and air exit respectively, install the frame in the box, install the motor on the frame, set up on the motor output shaft and be equipped with the impeller, are close to air exit department in the box and are provided with the contrary tripe of ending, it includes rectangle frame, a plurality of tripe pieces of hanging down certainly of switching in the rectangle frame to end contrary tripe, the installing port has been seted up on the box, is equipped with the positioning mechanism of rectangle frame mutually supporting in the box, positioning mechanism through with one side or the multilateral of rectangle frame restrict, realize ending contrary tripe and pack into the fixed position in the box through the installing port. The utility model provides a make things convenient for dismouting clearance side wall side fan of airing exhaust that ends contrary tripe.

Description

Side wall side air exhaust fan

Technical Field

The utility model relates to a side wall side fan of airing exhaust belongs to fan technical field.

Background

The side wall side air exhaust fan belongs to a negative pressure air exhaust fan, is widely applied to industrial buildings, forms a negative pressure environment indoors in an inside-out air exhaust mode, attracts outdoor air to flow into the room to achieve the aim of ventilation, and is generally provided with a check shutter blown up by the fan for achieving the purposes of preventing water and birds from entering the air outlet of the side wall side air exhaust fan.

Disclosure of Invention

The utility model aims to solve the technical problem that a side wall side fan of airing exhaust is provided, the dismouting clearance of convenient contrary tripe can solve the not enough of prior art.

The technical scheme of the utility model is that: the utility model provides a side wall fan of airing exhaust, includes the box, and the box both ends are air intake and air exit respectively, installs the frame in the box, installs the motor on the frame, sets up on the motor output shaft and is equipped with the impeller, and the department of being close to the air exit in the box is provided with anti-return tripe, anti-return tripe includes rectangle frame, a plurality of shutter blades that hang down certainly of switching in the rectangle frame, the installing port has been seted up on the box, is equipped with the positioning mechanism who mutually supports with the rectangle frame in the box, positioning mechanism through with one side or the multilateral of rectangle frame restrict, realize that anti-return tripe packs into the fixed position in the box through the installing port.

Further positioning mechanism includes a set of spout and a spacing groove, a set of spout and a set of opposite side sliding connection of rectangle frame, spacing groove and the spacing cooperation of the third edge that gets into the rectangle frame in the box, be provided with the sealed sealing member to the installing port on the fourth edge of rectangle frame.

Further, a rain cover is arranged at the air outlet of the box body.

Furthermore, the air outlet end of the box body is a rainproof elbow, and the air outlet is obliquely arranged downwards at an angle of 30-90 degrees.

Further the air exit is 45 degrees and sets up to the downside that inclines.

The utility model discloses install the box on the wall, the air intake of box is located indoorly, the air exit is located indoorly, motor drive impeller rotates with indoor air escape to outdoor, the shutter plate that will end contrary tripe blows up the ventilation when motor drive impeller rotates, when the fan stops, the tripe is closed, make outdoor and indoor isolated, end contrary tripe is in the box of packing into through the installing port during installation, the rectangle frame that ends contrary tripe makes end contrary tripe place the fixed position in the box with the positioning mechanism cooperation, change when clearing up to end contrary tripe and take out it from the installing port, the dismouting clearance of convenient end contrary tripe.

Drawings

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

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

fig. 3 is a schematic view of the cap after opening.

Shown in the figure: a box body 1; an air inlet 2; an air outlet 3; a machine base 4; a motor 5; an impeller 6; a non-return louver 7; a rectangular outer frame 8; a self-hanging louver blade 9; a mounting opening 10; a chute 11; a limiting groove 12; a seal 13; rain shield 14.

Detailed Description

The embodiment of the utility model provides a: as shown in fig. 1 to 3, a side wall side air exhaust fan, including a box 1, an air inlet 2 and an air outlet 3 are respectively arranged at two ends of the box 1, a base 4 is installed in the box 1, a motor 5 is installed on the base 4, an impeller 6 is arranged on an output shaft of the motor 5, a check louver 7 is arranged in the box 1 near the air outlet 3, the check louver 7 includes a rectangular outer frame 8, a plurality of self-hanging louvers 9 are switched in the rectangular outer frame 8, an installation opening 10 is opened on the box 1, a positioning mechanism mutually matched with the rectangular outer frame 8 is arranged in the box 1, the box 1 is provided with the check louver 7, the cross section of the check louver 7 is rectangular matched with the rectangular outer frame 8, the positioning mechanism at least includes a limiting groove 12, one side of the rectangular outer frame 8 enters the limiting groove 12 for limiting, and the fixed position of the check louver 7 in the box 1 through the installation opening 10 is realized.

As an optimized positioning mechanism, the positioning mechanism comprises a group of sliding grooves 11 and a limiting groove 12, the mounting opening 10 is formed in the top of the box body 1, when the non-return shutter 7 is installed from the mounting opening 10, the group of sliding grooves 11 are respectively in sliding connection with the left side edge and the right side edge of the rectangular outer frame 8 to limit the non-return shutter, the bottom edge of the rectangular outer frame 8 enters the limiting groove 12 to limit the non-return shutter, the top edge of the rectangular outer frame 8 is located at the mounting opening 10, and the sealing element 13 on the top edge seals the mounting opening.

Preferably, a rain cover 14 is disposed at the air outlet 3 of the box body 1. The rain cover 14 is made of stainless steel and plays a role in preventing rainwater from entering.

As an optimized box body 1, the air outlet end is a rainproof elbow, the air outlet 3 is obliquely arranged downwards at an angle a of 30-90 degrees, and rainwater can be prevented from flowing backwards into the fan.

Preferably, the air outlet 3 is arranged at an angle a of 45 ° facing obliquely downward.

Claims

1. The utility model provides a side wall side fan of airing exhaust, includes the box, and the box both ends are air intake and air exit respectively, installs the frame in the box, installs the motor on the frame, sets up on the motor output shaft and is equipped with the impeller, is close to air exit department in the box and is provided with contrary tripe, its characterized in that: the non-return louver comprises a rectangular outer frame and a plurality of self-hanging louver blades which are connected in the rectangular outer frame in a switching mode, a mounting opening is formed in the box body, a positioning mechanism which is matched with the rectangular outer frame is arranged in the box body, the positioning mechanism is limited by one side or multiple sides of the rectangular outer frame, and the non-return louver is mounted at a fixed position in the box body through the mounting opening.

2. The sidewall exhaust fan according to claim 1, wherein: the positioning mechanism comprises a group of sliding grooves and a limiting groove, the group of sliding grooves are in sliding connection with a group of opposite sides of the rectangular outer frame, the limiting groove is in limiting fit with a third side of the rectangular outer frame entering the box body, and a sealing element for sealing the mounting opening is arranged on a fourth side of the rectangular outer frame.

3. The sidewall exhaust fan according to claim 1, wherein: and a rain cover is arranged at the air outlet of the box body.

4. A sidewall exhaust fan according to any one of claims 1 to 3, wherein: the air outlet end of the box body is a rainproof elbow, and the air inlet is obliquely arranged downwards at an angle of 30-90 degrees.

5. The sidewall exhaust fan according to claim 4, wherein: the air outlet is arranged downwards at an angle of 45 degrees.