CN221322793U - Anti-blocking type healthy building exhaust fan - Google Patents

Abstract

The utility model discloses an anti-blocking type exhaust fan for a health care building, which relates to the technical field of exhaust fans and comprises a shell, wherein a ventilation pipe is fixedly connected to the back of the shell, a fixed box is fixedly connected to one end, far away from the shell, of the ventilation pipe, a fan is arranged in the shell, a detection mechanism is arranged in the shell, and a filter plate is fixedly connected to the inner wall of the fixed box. The utility model has reasonable design structure, can detect the wind force by arranging the detection mechanism, the impact rod and other parts, reduces the air circulation speed when the filter plate is blocked by dust, and enables the impact rod to impact on the filter plate through the power mechanism, so that the filter plate vibrates, thereby vibrating the dust on the filter plate to the lower part of the fixed box, and vibrating the dust on the filter plate through multiple impacts, thereby achieving the effect of preventing the filter plate from being blocked, and solving the problems that the filter plate is easy to be blocked after long-time use, and the filter plate needs to be replaced or cleaned frequently, and is more complicated.

Description

Anti-blocking type healthy building exhaust fan

Technical Field

The utility model relates to the technical field of exhaust fans, in particular to an anti-blocking exhaust fan for a healthy building.

Background

Along with the improvement of life quality of people, the requirements of people on air quality are higher, in some workshops, people are more concentrated, the air quality is reduced faster, and the health of people is easily affected by long-time breathing of such air, so ventilation facilities are installed indoors generally to protect the health of people.

The existing ventilation facilities generally use fans to drive air circulation, so that indoor and outdoor air is exchanged, indoor air quality is improved, external air generally carries dust, a filter screen is needed to be filtered, the filter screen is easy to block after long-time use, the filter screen is needed to be frequently replaced or cleaned, and the ventilation facilities are complicated.

Disclosure of utility model

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides an anti-blocking type exhaust fan for a healthy and healthy building.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prevent stifled healthy building exhaust fan, includes the casing, the back fixedly connected with ventilation pipe of casing, the one end fixedly connected with fixed case of casing is kept away from to the ventilation pipe, the inside of casing is provided with the fan, the inside of casing is provided with detection mechanism, the inner wall fixedly connected with filter plate of fixed case, the inner wall sliding connection of fixed case has the striking pole, the surface of striking pole contacts with the filter plate, the upper portion of striking pole is provided with power unit, the lower part of fixed case articulates there is the door that opens and shuts.

Further, the front of casing is provided with the guard plate, the inner wall fixedly connected with grid of fixed case.

Further, the outer surface of the fan is fixedly connected with a fixing rod, and the outer surface of the fixing rod is fixedly connected with the shell.

Further, the detection mechanism comprises a rotating speed sensor, the outer surface of the rotating speed sensor is fixedly connected with the shell, the inner wall of the shell is rotationally connected with a rotating shaft, and one end of the rotating shaft is fixedly connected with the rotating speed sensor.

Further, the outer surface of the rotating shaft is fixedly connected with a fan blade, one side of the fan blade is provided with a wind shield, and the outer surface of the wind shield is fixedly connected with the shell.

Further, the power mechanism comprises a supporting plate, the lower surface of the supporting plate is fixedly connected with the impact rod, a spring is sleeved on the outer surface of the impact rod, the lower end of the spring is fixedly connected with the lower portion of the impact rod, and the upper end of the spring is fixedly connected with the fixing box.

Further, the upper surface fixedly connected with fly leaf of backup pad, the upper surface fixedly connected with motor of fixed box, the output shaft fixedly connected with power board of motor.

Third), beneficial effects:

Compared with the prior art, the anti-blocking healthy building exhaust fan has the following beneficial effects:

1. According to the utility model, the detection mechanism and the impact rod are arranged, so that the detection mechanism can detect the wind force, when the filter plate is blocked by dust, the air circulation speed is reduced, the impact rod is impacted on the filter plate through the power mechanism, so that the filter plate vibrates, the dust on the filter plate is vibrated to the lower part of the fixed box, and the dust on the filter plate is vibrated away through multiple impacts, thereby achieving the effect of preventing the filter plate from being blocked, and further solving the problems that the filter plate is easy to be blocked after being used for a long time, and the filter plate needs to be replaced or cleaned frequently, and is complicated.

2. According to the utility model, the components such as the protection plate and the opening and closing door are arranged, and the protection plate is used for preventing external objects from entering the shell, so that the fan is protected, when the fan fails and needs to be replaced or maintained, the protection plate can be opened by screwing the bolts, the effect of convenient disassembly is achieved, and when excessive dust at the bottom of the fixed box is accumulated, the opening and closing door can be opened, so that the dust at the bottom of the fixed box is cleaned, and the effect of convenient cleaning is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a cross-sectional view of the housing of the present utility model;

FIG. 3 is a cross-sectional view of the stationary box of the present utility model;

Fig. 4 is a schematic perspective view of a power mechanism according to the present utility model.

In the figure: 1. a housing; 2. a ventilation pipe; 3. a fixed box; 4. a fan; 5. a detection mechanism; 501. a rotation speed sensor; 502. a rotating shaft; 503. a fan blade; 504. a wind deflector; 6. a filter plate; 7. a striker rod; 8. a power mechanism; 801. a support plate; 802. a spring; 803. a movable plate; 804. a motor; 805. a power plate; 9. a protection plate; 10. a grille; 11. a fixed rod; 12. and a door is opened and closed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a prevent stifled healthy building exhaust fan, which comprises a housin 1, the front of casing 1 is provided with guard plate 9, guard plate 9 is used for preventing that the external object from entering into in the casing 1, thereby protect fan 4, when fan 4 breaks down, when needs change or maintenance, can open guard plate 9 through twisting the bolt, the effect of convenient to detach has been reached, casing 1's the back fixedly connected with ventilation pipe 2, ventilation pipe 2 keeps away from casing 1's one end fixedly connected with fixed box 3, ventilation pipe 2 is soft pipeline, run through the wall body with ventilation pipe 2 when using, ventilation pipe 2's length can change according to the scene condition, casing 1's both sides are provided with the bolt hole, can fix outside the wall, fixed box 3's both sides also are provided with the bolt hole, can fix it indoor.

The inner wall fixedly connected with grid 10 of fixed box 3, the inside of casing 1 is provided with fan 4, the surface fixedly connected with dead lever 11 of fan 4, the surface and the casing 1 fixed connection of dead lever 11, fix fan 4 inside casing 1 through dead lever 11, the inside of casing 1 is provided with detection mechanism 5, detection mechanism 5 includes rotation speed sensor 501, the surface and the casing 1 fixed connection of rotation speed sensor 501, the inner wall rotation of casing 1 is connected with pivot 502, the one end and the rotation speed sensor 501 fixed connection of pivot 502, the upper portion of fixed box 3 is provided with the controller, rotation speed sensor 501 can give the controller with the rotational speed of pivot 502, the surface fixedly connected with flabellum 503 of pivot 502, one side of flabellum 503 is provided with deep bead 504, the surface and the casing 1 fixed connection of deep bead 504, the inner wall fixedly connected with 6 of fixed box 3, filter plate 6 is made for the stronger steel, be provided with the filtration pore on the filter plate 6, can block the dust when not hindering the air circulation.

The inner wall sliding connection of fixed box 3 has striking pole 7, striking pole 7's surface contacts with filter plate 6, striking pole 7's upper portion is provided with power unit 8, power unit 8 includes backup pad 801, backup pad 801's lower surface and striking pole 7 fixed connection, spring 802 has been cup jointed to striking pole 7's surface, spring 802's lower extreme and striking pole 7's lower part fixed connection, spring 802's upper end and fixed box 3 fixed connection, backup pad 801's upper surface fixedly connected with fly leaf 803, the shape of fly leaf 803 is the shape of falling L, fixed box 3's upper surface fixedly connected with motor 804, motor 804's output shaft fixedly connected with power board 805, power board 805 is kept away from the side of motor 804 and is the arcwall face, smooth processing has been done, the one end of fly leaf 803 is also done smooth processing with less frictional force between both sides, fixed box 3's lower part articulates has the door 12 that opens and shuts, when the dust of fixed box 3 bottom piles up too much, can open the door 12 that opens, thereby the dust of fixed box 3 bottom has reached the effect of being convenient for the clearance.

Working principle: when in use, the fan 4 rotates to enable air outside the shell 1 to enter the shell 1 and move towards the direction of the ventilation pipe 2, the air is blocked by the wind shield 504, the air can only pass through the upper part of the wind shield 504, the air impacts the fan blades 503 to enable the fan blades 503 and the rotating shaft 502 to rotate, the rotating speed of the rotating shaft 502 is transmitted to the controller by the rotating speed sensor 501, so that the wind force is detected, when the filter plate 6 is blocked by dust, the pressure of one side of the filter plate 6 close to the ventilation pipe 2 is increased, the air circulation speed is reduced, the fan blades 503 are subjected to wind force, the rotating speed of the rotating shaft 502 is reduced, the controller receives a rotating speed signal to control the motor 804 to rotate, the motor 804 drives the power plate 805 to move from below close to the movable plate 803, the movable plate 803 is extruded by the power plate 805, the movable plate 803 moves upwards, the movable plate 803 drives the supporting plate 801 and the impact rod 7 to move upwards, the impact rod 7 moves upwards to be away from the filter plate 6, meanwhile, the impact rod 7 compresses the spring 802, when the power plate 805 rotates to the upper side, the movable plate 803 and the power plate 805 are separated, the spring 802 rebounds to drive the impact rod 7 to reset, the impact rod 7 impacts on the filter plate 6, the filter plate 6 vibrates, dust on the filter plate 6 is vibrated to the lower part of the fixed box 3, each time the motor 804 drives the power plate 805 to rotate for one circle, the impact rod 7 impacts the filter plate 6 once, the dust on the filter plate 6 is vibrated off through multiple impacts, the effect of preventing the filter plate 6 from being blocked is achieved, after the dust on the filter plate 6 is vibrated off, the air begins to circulate again, the fan blades 503 recover the rotating speed, and the motor 804 stops rotating accordingly.

The guard plate 9 is used for preventing that the external object from entering into in the casing 1 to protect fan 4, when fan 4 breaks down, when needs change or maintenance, can open guard plate 9 through twisting the bolt, reached convenient to detach's effect, when the dust of fixed case 3 bottom piles up too much, can clear up the dust of fixed case 3 bottom through opening door 12, reached the effect of being convenient for clear up.

Claims (7)

1. The utility model provides a prevent stifled healthy building exhaust fan, includes casing (1), its characterized in that: the utility model discloses a novel portable electronic device is characterized in that a ventilation pipe (2) is fixedly connected with on the back of casing (1), one end fixedly connected with fixed box (3) of casing (1) is kept away from to ventilation pipe (2), the inside of casing (1) is provided with fan (4), the inside of casing (1) is provided with detection mechanism (5), the inner wall fixedly connected with filter plate (6) of fixed box (3), the inner wall sliding connection of fixed box (3) has striking pole (7), the surface and the filter plate (6) of striking pole (7) contact, the upper portion of striking pole (7) is provided with power unit (8), the lower part of fixed box (3) articulates there is opening and shutting door (12).

2. An anti-blocking type exhaust fan for a healthy building according to claim 1, wherein: the front of casing (1) is provided with guard plate (9), the inner wall fixedly connected with grid (10) of fixed box (3).

3. An anti-blocking type exhaust fan for a healthy building according to claim 1, wherein: the outer surface of the fan (4) is fixedly connected with a fixing rod (11), and the outer surface of the fixing rod (11) is fixedly connected with the shell (1).

4. An anti-blocking type exhaust fan for a healthy building according to claim 1, wherein: the detection mechanism (5) comprises a rotation speed sensor (501), the outer surface of the rotation speed sensor (501) is fixedly connected with the shell (1), a rotating shaft (502) is rotatably connected to the inner wall of the shell (1), and one end of the rotating shaft (502) is fixedly connected with the rotation speed sensor (501).

5. An anti-blocking type healthy building exhaust fan according to claim 4, wherein: the fan is characterized in that a fan blade (503) is fixedly connected to the outer surface of the rotating shaft (502), a wind shield (504) is arranged on one side of the fan blade (503), and the outer surface of the wind shield (504) is fixedly connected with the shell (1).

6. An anti-blocking type exhaust fan for a healthy building according to claim 1, wherein: the power mechanism (8) comprises a supporting plate (801), the lower surface of the supporting plate (801) is fixedly connected with the impact rod (7), a spring (802) is sleeved on the outer surface of the impact rod (7), the lower end of the spring (802) is fixedly connected with the lower portion of the impact rod (7), and the upper end of the spring (802) is fixedly connected with the fixed box (3).

7. The anti-blocking type healthy building exhaust fan according to claim 6, wherein: the upper surface of backup pad (801) is fixedly connected with fly leaf (803), the upper surface of fixed box (3) is fixedly connected with motor (804), the output shaft fixedly connected with power board (805) of motor (804).