CN217354833U

CN217354833U - Ventilation fan

Info

Publication number: CN217354833U
Application number: CN202221051670.2U
Authority: CN
Inventors: 张坤
Original assignee: Jiaxing Fudeli Kitchen & Bathroom Technology Co ltd
Current assignee: Jiaxing Fudeli Kitchen & Bathroom Technology Co ltd
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-09-02
Anticipated expiration: 2032-05-05

Abstract

The utility model discloses a ventilation fan, which comprises a housin, the bottom in the casing outside is provided with the protecting frame, the top of casing is provided with the kuppe, one side of kuppe is provided with automatic closing mechanism, one side that the casing is close to automatic closing mechanism is provided with the terminal box, the inboard top of casing evenly is provided with ten support bars of organizing, ten groups one side that the support bar is close to each other is provided with the installation cover. The utility model discloses an inside of scavenger fan is provided with ten support bars of organizing for servo motor installs in the inside more firm of installation cover, not only makes servo motor carry out high-speed when rotatory at a high speed driving fan and blade, more steady, still the noise that effectual reduction fan and blade work produced, ten support bars of organizing can effectively comb reinforcing scavenger fan air current simultaneously, noise abatement, air deflector arc-shaped air-out structure increase gas flow, effectively reduce the noise that the windage brought.

Description

Ventilation fan

Technical Field

The utility model relates to a technical field of scavenger fan specifically is a scavenger fan.

Background

The ventilation fan is widely applied to thousands of households as a necessary product in daily life. The window glass mounted ventilator used in present uses a motor to drive fan blades to rotate to channel air flow, so that the indoor air and the outdoor air are exchanged. The ventilator may be used to remove indoor air and introduce outdoor air. The ventilating fan is widely applied to families and public places. For example, in a toilet which is a common place for home use, it is necessary to exhaust air from the toilet during bathing, and indoor and outdoor ventilation of the toilet can be achieved by using a ventilation fan.

The traditional ventilator has the following disadvantages: 1. in the operation process of the ventilation fan, the ventilation fan is not tightly installed, so that the fan swings unstably, the noise is high, the airflow is weakened, and the exhaust efficiency is reduced; 2. in the process of ventilation, the air outlet is generally directly connected to the outside to directly discharge indoor air, but when the ventilation fan is idle, outdoor air backflow can occur, and outdoor dirty air can pollute the indoor environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ventilator to solve the problems that the fan is not stable enough during working, the noise is large during working, the air flow is disordered and weak; when the ventilator is idle, the external gas can flow back, which causes the problem of indoor pollution.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a ventilator, includes the casing, the bottom in the casing outside is provided with the protective frame, the top of casing is provided with the kuppe, one side of kuppe is provided with automatic closing mechanism, one side that the casing is close to automatic closing mechanism is provided with the terminal box, the inboard top of casing evenly is provided with ten group's support bars, ten group one side that the support bar is close to each other is provided with the installation cover, the inside top of installation cover is provided with servo motor, servo motor's output is provided with the fan, the outside of fan is provided with six groups of blades.

Preferably, automatic closing mechanism includes gas vent, wind-break piece, division board and torsion spring, the gas vent is located one side of kuppe, the inside of gas vent is provided with multicomponent baffle, one side of division board articulates there is the wind-break piece, one side cover of wind-break piece is equipped with torsion spring.

Preferably, one side of the wind-blocking sheet is provided with a hinge shaft, and the torsion spring is located at the outer side of the hinge shaft.

Preferably, one side of the air guide sleeve is arc-shaped, and the air guide sleeve and the shell are connected in a clamping mode.

Preferably, one side of the junction box is provided with a cover plate, and the cover plate is connected with the junction box through screws.

Preferably, the top of protective frame evenly is provided with the multiunit strengthening rib, connected mode is the joint formula between protective frame and the casing.

Compared with the prior art, the ventilation fan adopting the technical scheme has the following beneficial effects:

the mounting cover comprises a mounting cover, a fan and a guide cover, wherein the mounting cover is provided with a plurality of groups of supporting bars, the servo motor is arranged in the mounting cover more firmly, the servo motor is more stable when driving the fan and blades to rotate at a high speed, and the noise generated by the operation of the fan and the blades is effectively reduced;

two, in using, when the scavenger fan carries out work, when carrying indoor air current to exhaust port department through casing and kuppe, the air current can promote the windshield piece and rotate, twist reverse the extrusion to torsion spring simultaneously, make the inside row through the exhaust port that the air current can be smooth to the external world, when the scavenger fan is idle under torsion spring's elasticity, reset the windshield piece, through mutually supporting with the division board, can seal the inside of exhaust port, prevent that external air from flowing back to indoor through the scavenger fan.

Drawings

Fig. 1 is a front view of the embodiment of the ventilator of the present invention.

FIG. 2 is a perspective view of the embodiment;

FIG. 3 is a front sectional view of the embodiment;

fig. 4 is a front view of the windshield of the embodiment.

In the figure: 1. a housing; 2. a pod; 3. a protective frame; 4. a junction box; 5. an automatic closing mechanism; 51. an exhaust port; 52. a wind-shielding sheet; 53. a partition plate; 54. a torsion spring; 6. a fan; 7. a servo motor; 8. mounting a cover; 9. a blade; 10. and (4) a supporting strip.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The ventilation fan shown in fig. 1-4 comprises a casing 1, a protective frame 3 is arranged at the bottom of the outer side of the casing 1, a flow guide cover 2 is arranged at the top of the casing 1, an automatic closing mechanism 5 is arranged on one side of the flow guide cover 2, a junction box 4 is arranged on one side, close to the automatic closing mechanism 5, of the casing 1, ten groups of supporting bars 10 are evenly arranged at the top of the inner side of the casing 1, ten groups of supporting bars 10 are arranged on one side, close to each other, of the mounting cover 8, a servo motor 7 is arranged at the top of the inner part of the mounting cover 8, a fan 6 is arranged at the output end of the servo motor 7, and six groups of blades 9 are arranged on the outer side of the fan 6.

In the use, the inside of scavenger fan is provided with ten groups of support bars 10, make servo motor 7 install more firm in the inside of installing cover 8, not only make servo motor 7 drive fan 6 and blade 9 when carrying out high-speed rotation, more steady, still the noise that effectual reduction fan 6 and blade 9 work produced, ten groups of support bars 10 can effectively comb reinforcing scavenger fan air current simultaneously, noise abatement, the 2 circular arc formula air-out structures of kuppe increase the gas flow, effectively reduce the noise that the windage brought.

As shown in fig. 1 and 4, the automatic closing mechanism 5 includes an exhaust port 51, a wind-blocking sheet 52, a partition plate 53 and a torsion spring 54, the exhaust port 51 is located one side of the air guide sleeve 2, the inside of the exhaust port 51 is provided with the multi-component partition plate 53, one side of the partition plate 53 is hinged with the wind-blocking sheet 52, one side of the wind-blocking sheet 52 is sleeved with the torsion spring 54, one side of the wind-blocking sheet 52 is provided with a hinged shaft, the torsion spring 54 is located the outer side of the hinged shaft, one side of the air guide sleeve 2 is arc-shaped, the connection mode between the air guide sleeve 2 and the shell 1 is a clamping type, one side of the junction box 4 is provided with an apron, the apron is connected with the junction box 4 through a screw, the top of the protection frame 3 is uniformly provided with a plurality of groups of reinforcing ribs, and the connection mode between the protection frame 3 and the shell 1 is a clamping type.

In the use, when the scavenger fan carries out work, carry indoor air current to gas vent 51 department through casing 1 and kuppe 2, the air current can promote windshield 52 and rotate, twist reverse the extrusion to torsion spring 54 simultaneously, make torsion spring 54 one end extrusion in one side of division board 53, make the inside row to the external world of gas vent 51 that the air current can be smooth through, when the scavenger fan is idle under torsion spring 54's elasticity, reset windshield 52, through mutually supporting with division board 53, can seal gas vent 51's inside, prevent that external air from flowing back to indoor through the scavenger fan, and terminal box 4 side formula sets up, can be convenient for to product installation and maintenance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A ventilator, comprising a casing (1), characterized in that: the bottom in casing (1) outside is provided with protective frame (3), the top of casing (1) is provided with kuppe (2), one side of kuppe (2) is provided with automatic closing mechanism (5), one side that casing (1) is close to automatic closing mechanism (5) is provided with terminal box (4), the top of casing (1) inboard evenly is provided with ten groups of support bar (10), ten groups one side that support bar (10) are close to each other is provided with installation cover (8), the inside top of installation cover (8) is provided with servo motor (7), the output of servo motor (7) is provided with fan (6), the outside of fan (6) is provided with six blades (9).

2. A ventilator according to claim 1, characterized in that: automatic closing mechanism (5) are including gas vent (51), wind-break piece (52), division board (53) and torsion spring (54), gas vent (51) are located one side of kuppe (2), the inside of gas vent (51) is provided with multiunit division board (53), one side of division board (53) articulates there is wind-break piece (52), one side cover of wind-break piece (52) is equipped with torsion spring (54).

3. A ventilator according to claim 2, characterized in that: and a hinged shaft is arranged on one side of the wind blocking sheet (52), and the torsion spring (54) is positioned on the outer side of the hinged shaft.

4. The ventilator according to claim 1, characterized in that: one side of the air guide sleeve (2) is arc-shaped, and the air guide sleeve (2) and the shell (1) are connected in a clamping mode.

5. The ventilator according to claim 1, characterized in that: and a cover plate is arranged on one side of the junction box (4) and is connected with the junction box (4) through screws.

6. A ventilator according to claim 1, characterized in that: the top of protective frame (3) evenly is provided with the multiunit strengthening rib, the connected mode is the joint formula between protective frame (3) and casing (1).