CN214038784U - Ventilation device for building construction - Google Patents

Abstract

The utility model discloses a ventilation unit for building, including wall and protection casing, the vent has been seted up to the wall, through a plurality of branch fixedly connected with motors in the vent, the output shaft fixedly connected with bull stick of motor, bull stick lateral wall fixedly connected with fan, the protection casing is through a plurality of bolts and wall fixed connection, the protection casing is close to the lateral wall of vent and has seted up the opening, a plurality of air intakes have been seted up to the protection casing lateral wall, the bull stick stretches into the protection casing. The utility model has the advantages of, can make indoor and outdoor intercommunication through rotary drum and protection casing when needs ventilate, get rid of indoor air through the fan outdoor, reach to be indoor ventilation's effect, when not needing the ventilation, the vent staggers each other with the intercommunication mouth, makes indoor and external isolation, when guaranteeing indoor temperature, avoids external dust, haze etc. to get into indoor, and the people of being convenient for use.

Description

Ventilation device for building construction

Technical Field

The utility model relates to a building ventilation technical field particularly, relates to a ventilation unit for building.

Background

At present, ventilation is a building environment control technology which controls the propagation and harm of air pollutants by means of ventilation dilution or ventilation removal and the like, and realizes the quality guarantee of indoor and outdoor air environments. The ventilation system realizes the function of ventilation.

Ventilating device still keeps indoor and outdoor intercommunication when not ventilating among the prior art, can not keep indoor warm, and when the abominable air circumstance such as raise dust appears outdoors, the dust enters into indoorly from ventilating device easily, makes the indoor a large amount of dusts of appearing, pollutes the indoor air, is not convenient for people to use.

Disclosure of Invention

In view of this, the present invention provides a ventilation device for building construction, which at least partially solves the above problems in the background art.

In one aspect, the utility model provides a ventilation device for building construction, which comprises a wall and a protective cover, the wall is provided with a vent, a motor is fixedly connected in the vent through a plurality of support rods, the output shaft of the motor is fixedly connected with a rotating rod, the side wall of the rotating rod is fixedly connected with a fan, the protective cover is fixedly connected with the wall through a plurality of bolts, the side wall of the protective cover close to the ventilation opening is provided with an opening, the side wall of the protective cover is provided with a plurality of air inlets, the rotating rod extends into the protective cover, the side wall of the rotating rod extending into the protective cover is fixedly connected with a fixing ring, the side wall of the fixed ring is fixedly connected with a plurality of connecting rods, one end of each connecting rod far away from the fixed ring is fixedly connected with a rotating drum, the side wall of the rotary drum is provided with a plurality of communicating ports matched with the air inlet, and the rotary drum is abutted to the inner wall of the protective cover.

Preferably, the inner side wall of the protective cover is provided with a groove, and one end of the rotating rod, which is far away from the motor, is rotatably connected with the groove.

Preferably, the part of the rotating rod extending into the groove is fixedly connected with a cam, and an inner groove is formed in the inner side wall of the groove.

Preferably, the inner groove is connected with a clamping block through a telescopic spring in a clamping manner, and the side wall of the clamping block is arc-shaped.

Preferably, the area of each air inlet is smaller than that of the side wall of the rotary drum, and the plurality of air inlets and the plurality of communication ports are staggered when the cam abuts against the clamping block.

Compared with the prior art, the beneficial effects of the utility model are that: rotate through the fan and can make the interior negative pressure that forms of vent, thereby accomplish indoor and outdoor air exchange, it is fresh to keep the room air, when not using ventilation unit, the vent of protection casing can offset with the lateral wall of rotary drum, do not communicate with the intercommunication mouth, consequently, whole device can avoid indoor and outdoor intercommunication when not, thereby keep indoor temperature, the heat preservation effect in room when winter is better, when meetting bad weather such as raise dust or haze, can avoid external dust to get into indoorly, it is clean to keep the room air, be convenient for people to use.

Further, the lateral wall of fixture block can make things convenient for the cam to slide the fixture block for the arc, guarantees the ventilation effect of whole device, and when the area of every vent was less than the area of rotary drum lateral wall can guarantee the obstructed wind, the rotary drum lateral wall can be plugged up a plurality of vents, cuts off indoor and external intercommunication, has further improved indoor heat preservation effect, and can keep apart pollutants such as external dust, haze, guarantees to be the indoor air quality.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a ventilation device for building construction provided by the utility model;

fig. 2 is a schematic structural view of the protective cover and the rotary drum of the ventilation device for the building;

fig. 3 is the structural schematic diagram of the structures such as the cam and the clamping block of the ventilation device for the building construction provided by the utility model.

In the figure: the device comprises a wall 1, a protective cover 2, a support rod 3, a motor 4, a rotating rod 5, a vent hole 6, a fan 7, bolts 8, a fixing ring 9, a connecting rod 10, a rotating drum 11, an air inlet 12, a communication port 13, a telescopic spring 14, a cam 15 and a clamping block 16.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, a ventilation device for building construction, comprising a wall 1 and a protective cover 2, the wall 1 is provided with a vent 6, a motor 4 is fixedly connected in the vent 6 through a plurality of support rods 3, an output shaft of the motor 4 is fixedly connected with a rotating rod 5, a fan 7 is fixedly connected to a side wall of the rotating rod 5, negative pressure can be formed in the vent 6 through rotation of the fan 7, so as to complete indoor and outdoor air exchange and keep indoor air fresh, the protective cover 2 is fixedly connected with the wall 1 through a plurality of bolts 8, an opening is formed in a side wall of the protective cover 2 close to the vent 6, a plurality of air inlets 12 are formed in a side wall of the protective cover 2, the rotating rod 5 extends into the protective cover 2, a fixing ring 9 is fixedly connected to the side wall of the protective cover 2, a plurality of connecting rods 10 are fixedly connected to the side wall of the fixing ring 9, a rotating drum 11 is fixedly connected to one end of the plurality of connecting rods 10 far away from the fixing ring 9, a plurality of communicating mouths 13 matched with the air inlet 12 are formed in the side wall of the rotary drum 11, the rotary drum 11 abuts against the inner wall of the protective cover 2, a groove is formed in the inner side wall of the protective cover 2, one end, far away from the motor 4, of the rotary rod 5 is rotatably connected with the groove, the rotary rod 5 extends into the part, fixedly connected with a cam 15, of the groove, an inner groove is formed in the inner side wall of the groove, the inner groove is connected with a clamping block 16 in a clamping mode through a telescopic spring 14, and the side wall of the clamping block 16 is arc-shaped.

Particularly, the arc-shaped side wall can facilitate the cam 15 to slide through the clamping block 16, so as to ensure the ventilation effect of the whole device, the area of each air inlet 12 is smaller than that of the side wall of the rotary drum 11, thus when ventilation is not performed, the side wall of the rotary drum 11 can block the plurality of air inlets 12, the indoor communication with the outside is cut off, and the indoor heat preservation and isolation effects are further improved, when the cam 15 abuts against the clamping block 16, the plurality of air inlets 12 and the plurality of communication ports 13 are mutually staggered, when the ventilation device is not used, the air inlet 12 of the protective cover 2 can abut against the side wall of the rotary drum 11 and is not communicated with the communication ports 13, so that the whole device can avoid indoor and outdoor communication when not used, thereby the indoor temperature is kept, the heat preservation effect of a room is better in winter, when severe weather such as raised dust or haze is encountered, the outside dust can be prevented from entering the room, and the indoor air is kept clean, is convenient for people to use.

The utility model discloses when using, starter motor 4, motor 4's output head drives bull stick 5 and rotates, bull stick 5 drives fan 7 and rotates, form the negative pressure in the protection casing 2 when fan 7 rotates, thereby come indoor gas absorption and discharge away, realize ventilation's effect, 5 drive the change when rotating of bull stick rotate, the change drives rotary drum 11 through a plurality of connecting rods 10 and rotates, a plurality of intercommunication mouths 13 are relative with a plurality of air intakes 12 when rotating, at this moment, indoor and external intercommunication, indoor air passes through air intake 12, intercommunication mouth 13 enters into in the draft tube, thereby outside discharge.

Further, the rotating rod 5 can drive the cam 15 to rotate when rotating, the cam 15 abuts against the clamping block 16 when rotating, when a pain wind is needed, the cam 15 rotates to extrude the clamping block 16, the clamping block 16 compresses the extension spring 14 to be tightened in the inner groove, because the side wall of the clamping block 16 is arc-shaped, the clamping block 16 is easily compressed when the cam 15 rotates, when the pain wind is not needed, the motor 4 is closed, at the moment, the rotating rod 5 can continue to rotate due to inertia, when the rotating rod 5 rotates until the cam 15 abuts against the clamping block 16, the rotating rod 5 is not supported by power and can be blocked by the clamping block 16, the rotating rod 5 stops rotating, at the moment, the communication ports 13 on the rotating cylinder 11 and the air inlets 12 on the protective cover 2 are mutually staggered, so that the outside is disconnected with the indoor, the indoor heat preservation is carried out, in winter, a good heat preservation effect is provided for the indoor, when the outside is in bad weather such as dust raising, haze and the like, and the dust in the outside can be prevented from entering the room, so that the room is kept clean.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The ventilation device for the building is characterized by comprising a wall (1) and a protective cover (2), wherein a vent (6) is formed in the wall (1), a motor (4) is fixedly connected into the vent (6) through a plurality of supporting rods (3), an output shaft of the motor (4) is fixedly connected with a rotating rod (5), a fan (7) is fixedly connected with the side wall of the rotating rod (5), the protective cover (2) is fixedly connected with the wall (1) through a plurality of bolts (8), an opening is formed in the side wall, close to the vent (6), of the protective cover (2), a plurality of air inlets (12) are formed in the side wall of the protective cover (2), the rotating rod (5) extends into the protective cover (2), a fixing ring (9) is fixedly connected with the side wall of the rotating rod (5) extends into the protective cover (2), a plurality of connecting rods (10) are fixedly connected with the side wall of the fixing ring (9), a plurality of connecting rods (10) are far away from one end of the fixing ring (9) and are fixedly connected with a rotating drum (11), a plurality of communicating ports (13) matched with the air inlet (12) are formed in the side wall of the rotating drum (11), and the rotating drum (11) is abutted to the inner wall of the protective cover (2).

2. The ventilation device for the building construction according to the claim 1, characterized in that the inner side wall of the protective cover (2) is provided with a groove, and one end of the rotating rod (5) far away from the motor (4) is rotatably connected with the groove.

3. A ventilating device for buildings according to claim 2, wherein the part of the rotating rod (5) extending into the groove is fixedly connected with a cam (15), and the inner side wall of the groove is provided with an inner groove.

4. A ventilating device for buildings according to claim 3, wherein the inner tank is connected with a clamping block (16) through a telescopic spring (14) in a clamping manner, and the side wall of the clamping block (16) is arc-shaped.

5. The ventilation device for buildings as claimed in claim 4, wherein the area of each air inlet (12) is smaller than the area of the side wall of the drum (11), and the plurality of air inlets (12) and the plurality of communication ports (13) are staggered with each other when the cam (15) abuts against the latch (16).

Images