CN216922643U

CN216922643U - Filter screen mechanism of air exchange fan

Info

Publication number: CN216922643U
Application number: CN202220413350.0U
Authority: CN
Inventors: 刘玉侠
Original assignee: Foshan Yahao Technology Co ltd
Current assignee: Foshan Yahao Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-08
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a filter screen mechanism of a ventilator, and belongs to the field of ventilators. A filter screen mechanism of a ventilator comprises a ventilator tube, wherein an air suction assembly is arranged inside the ventilator tube, a mounting plate is arranged at the top of the ventilator tube in a penetrating manner, a filter screen is arranged inside the mounting plate, a fixing box is fixedly arranged at the bottom of the ventilator tube, a clamping rod is connected inside the fixing box in a sliding manner, the top end of the clamping rod is fixedly connected with the bottom surface of the mounting plate, a mounting hole is formed in the bottom of one side of the clamping rod, and a clamping block is connected inside the mounting hole in a sliding manner; compared with the prior art, the device is suitable for high-altitude installation and simple to install, does not need to unscrew bolts when needing to be disassembled, is convenient to operate, indirectly reduces the time needed by high-altitude action, and is time-saving and labor-saving.

Description

Filter screen mechanism of air exchange fan

Technical Field

The utility model relates to the technical field of ventilators, in particular to a ventilator filter screen mechanism.

Background

In modern society, with the continuous improvement of living standard and health consciousness of people, the requirements of people on living environment and working environment are higher and higher, and how to improve the air quality of the living environment and the working environment becomes a problem which people pay urgent attention to and need to solve.

In order to improve the indoor air quality, people usually use a ventilator to exhaust indoor dirty air to the outside, the ventilator is a type of air conditioning appliance that a motor drives blades to rotate to drive airflow so as to exchange indoor and outdoor air, and the ventilator has the advantages of simple installation, flexible arrangement and convenient maintenance, thereby becoming the mainstream equipment in the current household ventilation equipment.

However, the filter screen of the existing ventilator has certain defects, because the filter screen in the existing ventilator is generally fixed by bolts, such operation is complicated, especially when the filter screen is maintained, the bolts on the filter screen need to be firstly removed, and the ventilator is installed in a higher place and needs to be replaced by climbing up, and when the ventilator is lifted up for a long time, operators are inevitably dizzy, and safety accidents are easily caused, so that the filter screen mechanism of the ventilator is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that a filter screen in the prior art is inconvenient to disassemble, and provides a filter screen mechanism of an air exchange fan.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a filter screen mechanism of a ventilator comprises a ventilator tube, wherein an air suction assembly is arranged inside the ventilator tube, a mounting plate is arranged at the top of the ventilator tube in a penetrating mode, a filter screen is arranged inside the mounting plate, a fixing box is fixedly arranged at the bottom of the ventilator tube, a clamping rod is connected inside the fixing box in a sliding mode, the top end of the clamping rod is fixedly connected with the bottom surface of the mounting plate, a mounting hole is formed in the bottom of one side of the clamping rod, a clamping block is connected inside the mounting hole in a sliding mode, a first elastic element is connected between one side of the clamping block and one side of the inner wall of the mounting hole, a clamping hole is formed inside the ventilator tube and located inside the clamping hole, a sleeve is connected at the bottom of the fixing box in a sliding mode, and the aperture in the sleeve is as large as the diameter of the clamping rod; one side of the filter screen is connected with a dust removal component.

In order to realize ventilation, preferably, a motor is fixedly installed inside the ventilation pipe, and an output shaft of the motor is fixedly connected with a suction fan blade.

In order to realize limiting, preferably, guide grooves are formed in two sides of the inner wall of the clamping rod, sliding pins are connected to the inner portions of the guide grooves in a sliding mode, and the clamping blocks are fixedly connected between the adjacent ends of the two sliding pins.

In order to realize clamping and resetting, preferably, one end of the sleeve is fixedly connected with a limiting plate, a second elastic element is sleeved on the surface of the sleeve, and two ends of the second elastic element are respectively and fixedly connected with one side of the limiting plate and one side of the fixed box.

In order to achieve normal functions, preferably, the surface of the sleeve is fixedly sleeved with a limit ring, and chamfers which are matched with each other are arranged at one end of the sleeve and the surface of the clamping block.

In order to realize dust removal, preferably, the dust removal assembly comprises a fixing rod, the fixing rod is fixedly installed inside the air exchange tube, the middle of the fixing rod is rotatably connected with a rotating rod, the surface of the rotating rod is fixedly connected with a spiral blade, one end of the rotating rod is fixedly connected with a hanging and brushing plate, and one side of the hanging and brushing plate is provided with bristles.

In order to further achieve dust removal, preferably, one end of the brush is in contact with one side of the filter screen; the first elastic element and the second elastic element are both compression springs.

Compared with the prior art, the utility model provides a filter screen mechanism of an air exchange fan, which has the following beneficial effects:

this scavenger fan filter screen mechanism through setting up fixed case, card holding rod, card holding piece and sleeve isotructure subassembly for prior art, this device is applicable to the eminence installation, and the installation is simple, when needs are dismantled, need not unscrew the bolt, convenient operation, stable in structure, indirect reduction the required time of high altitude effect, labour saving and time saving.

The device has the advantages of simple structure, low manufacturing cost, convenient installation and disassembly, time and labor saving in use, and capability of hanging and brushing the filter screen, thereby reducing the frequency of frequently cleaning the filter screen in the traditional technology.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of a filter screen mechanism of a ventilator according to the present invention;

fig. 2 is a partially enlarged structural schematic diagram of a portion a in fig. 1 of a filter screen mechanism of a ventilation fan according to the present invention;

FIG. 3 is a schematic perspective view of a sleeve of a filtering net mechanism of the ventilator according to the present invention;

fig. 4 is a schematic front view of a filtering screen mechanism of a ventilation fan according to the present invention.

In the figure: 1. a ventilation tube; 101. a motor; 102. an intake fan blade; 2. mounting a plate; 3. filtering with a screen; 4. a fixed box; 5. a clamping rod; 501. a guide groove; 502. a slide pin; 6. mounting holes; 7. clamping the block; 8. a first elastic element; 9. a chucking hole; 10. a sleeve; 11. a limiting plate; 12. a second elastic element; 13. a limiting ring; 14. fixing the rod; 15. rotating the rod; 16. a helical blade; 17. hanging a brush plate; 18. and (3) brush hairs.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, a ventilator filter screen mechanism comprises a ventilator tube 1, an air suction assembly is arranged inside the ventilator tube 1, a mounting plate 2 is installed at the top of the ventilator tube 1 in a penetrating manner, a mounting groove is formed in the ventilator tube 1 and used for placing the mounting plate 2, a filter screen 3 is arranged inside the mounting plate 2, a fixing box 4 is fixedly installed at the bottom of the ventilator tube 1, a clamping rod 5 is slidably connected inside the fixing box 4, the top end of the clamping rod 5 is fixedly connected with the bottom surface of the mounting plate 2, a mounting hole 6 is formed in the bottom of one side of the clamping rod 5, a clamping block 7 is slidably connected inside the mounting hole 6, a first elastic element 8 is connected between one side of the clamping block 7 and one side of the inner wall of the mounting hole 6, a clamping hole 9 is formed in the ventilator tube 1, the clamping block 7 is located inside the clamping hole 9, a sleeve 10 is slidably connected to the bottom of the fixing box 4, the diameter of the hole in the sleeve 10 is equal to the diameter of the clamping rod 5; one side of the filter screen 3 is connected with a dust removal component.

Specifically, a motor 101 is fixedly installed inside the ventilation pipe 1, an output shaft of the motor 101 is fixedly connected with a suction fan blade 102, and the motor 101 drives the suction fan blade 102 to rotate to generate suction force by turning on a control switch of the motor 101, so that ventilation is realized.

Specifically, guide grooves 501 are formed in two sides of the inner wall of the clamping rod 5, sliding pins 502 are connected to the inner portions of the guide grooves 501 in a sliding mode, the clamping block 7 is fixedly connected between the adjacent ends of the two sliding pins 502, and the sliding pins 502 move along the guide grooves 501 to limit the position of the clamping block 7.

Specifically, the one end fixedly connected with limiting plate 11 of sleeve 10, and the surface of sleeve 10 has cup jointed second elastic element 12, the both ends of second elastic element 12 respectively with one side of limiting plate 11 and one side fixed connection of fixed case 4, under the effect of the restoring force of second elastic element 12 to make things convenient for limiting plate 11 to reset.

Specifically, the surface fixing of sleeve 10 has cup jointed spacing ring 13, and the one end of sleeve 10 and the surface of card dress piece 7 are equipped with the chamfer that agrees with each other, and sleeve 10 can be avoided by limiting plate 11 to break away from fixed case 4, and the chamfer can make things convenient for sleeve 10 to promote to block the inside that piece 7 was retracted to mounting hole 6 to the card.

Specifically, the dust removal subassembly includes dead lever 14, dead lever 14 fixed mounting is in the inside of scavenge pipe 1, and the middle part department of dead lever 14 rotates and is connected with rotary lever 15, rotary lever 15's fixed surface is connected with helical blade 16, and the one end fixedly connected with of rotary lever 15 hangs brush board 17, the one side of hanging brush board 17 is equipped with brush hair 18, rotatory production wind-force when suction fan blade 102, wind-force can promote helical blade 16 and then drive rotary lever 15 rotatory, it is also rotatory to hang brush board 17 simultaneously, the rotatory drive brush hair 18 that hangs brush board 17 and does not stop hangs brush filter screen 3, thereby hang the dust or the insect on the filter screen 3 and brush down, the frequency that needs often clear up filter screen 3 in the traditional art has been reduced.

Specifically, one end of the brush 18 is in contact with one side of the filter screen 3; the first elastic element 8 and the second elastic element 12 are both compression springs, so that the clamping block 7 can be conveniently clamped and the limiting plate 11 can be conveniently reset.

In the utility model, when the mounting plate 2 needs to be disassembled, only the limiting plate 11 needs to be pressed upwards to enable the sleeve 10 to move upwards, when the sleeve 10 is sleeved on the surface of the fixed box 4, the limiting plate 11 continues to be pressed upwards to enable the inner wall of the sleeve 10 to extrude the clamping block 7, when the clamping block 7 is completely retracted to the inside of the mounting hole 6, the mounting plate 2 can be taken out by shifting the mounting plate 2 upwards, so that the filter screen 3 is cleaned and replaced, compared with the prior art, the device is suitable for high-altitude installation, is simple to install, does not need to screw down a bolt when the mounting plate 2 needs to be disassembled, is convenient to operate, indirectly reduces the time required by high altitude action, saves time and labor, when the mounting plate 2 needs to be installed, the mounting plate 2 is inserted into the mounting groove, and the mounting plate 2 continues to be pressed downwards until the clamping block 7 slides into the clamping hole 9, and under the restoring force of the first elastic element 8, the catching block 7 is tightly caught inside the catching hole 9.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A ventilator filter screen mechanism comprises a ventilation pipe (1), wherein an air suction assembly is arranged inside the ventilation pipe (1), and is characterized in that a mounting plate (2) is installed at the top of the ventilation pipe (1) in a penetrating manner, a filter screen (3) is arranged inside the mounting plate (2), a fixing box (4) is fixedly installed at the bottom of the ventilation pipe (1), a clamping rod (5) is connected inside the fixing box (4) in a sliding manner, the top end of the clamping rod (5) is fixedly connected with the bottom surface of the mounting plate (2), a mounting hole (6) is formed in the bottom of one side of the clamping rod (5), a clamping block (7) is connected inside the mounting hole (6) in a sliding manner, a first elastic element (8) is connected between one side of the clamping block (7) and one side of the inner wall of the mounting hole (6), and a clamping hole (9) is formed in the ventilation pipe (1), the clamping block (7) is positioned in the clamping hole (9), the bottom of the fixed box (4) is connected with a sleeve (10) in a sliding manner, and the diameter of the inner hole of the sleeve (10) is equal to that of the clamping rod (5); one side of the filter screen (3) is connected with a dust removal component.

2. The ventilator filtering screen mechanism according to claim 1, characterized in that a motor (101) is fixedly installed inside the ventilator tube (1), and an output shaft of the motor (101) is fixedly connected with a suction fan blade (102).

3. The ventilator filtering screen mechanism according to claim 1, characterized in that two sides of the inner wall of the clamping rod (5) are provided with guide grooves (501), a sliding pin (502) is slidably connected inside the guide grooves (501), and the clamping block (7) is fixedly connected between the adjacent ends of the two sliding pins (502).

4. The ventilator filtering screen mechanism according to claim 1, wherein a limiting plate (11) is fixedly connected to one end of the sleeve (10), a second elastic element (12) is sleeved on the surface of the sleeve (10), and two ends of the second elastic element (12) are respectively and fixedly connected to one side of the limiting plate (11) and one side of the fixing box (4).

5. The ventilator filtering screen mechanism according to claim 1, wherein a limiting ring (13) is fixedly sleeved on the surface of the sleeve (10), and chamfers which are mutually matched are arranged at one end of the sleeve (10) and the surface of the clamping block (7).

6. The ventilator filtering screen mechanism according to claim 1, wherein the dust removing assembly comprises a fixing rod (14), the fixing rod (14) is fixedly installed inside the ventilator tube (1), a rotating rod (15) is rotatably connected to the middle of the fixing rod (14), a spiral blade (16) is fixedly connected to the surface of the rotating rod (15), a hanging and brushing plate (17) is fixedly connected to one end of the rotating rod (15), and bristles (18) are arranged on one side of the hanging and brushing plate (17).

7. The ventilator screen mechanism according to claim 6, characterized in that one end of the bristles (18) is in contact with one side of the screen (3); the first elastic element (8) and the second elastic element (12) are both compression springs.