CN207532968U - It is convenient for changing the filter device of filter screen - Google Patents

Abstract

The utility model discloses a filter device for convenient replacement of filter nets, which comprises a filter box (1), the top and bottom of the filter box (1) are respectively connected with an air inlet pipe (2) and an air outlet pipe (3); the filter box (1) A filter screen (4) is arranged inside, and a first filter screen roll (5) and a second filter screen roll (6) are respectively connected to both sides of the filter screen (4); the first filter screen roll (5) and the second filter screen roll The rolls (6) are respectively located on the two mutually symmetrical outer walls of the filter box (1), and the first filter screen roll (5) and the second filter screen roll (6) are connected with a rotating shaft (7); A filter screen cover (8) hinged to the outer sidewall of the filter box (1) is provided on the box (1) at a position corresponding to the first filter screen roll (5) and at a position corresponding to the second filter screen roll (6). The utility model not only can replace the filter net conveniently, but also can realize the non-stop replacement of the filter net, and has the advantages of long normal filtering time, good filtering effect and convenient use.

Description

Filter device for easy filter replacement

technical field

The utility model relates to a filter device, in particular to a filter device which is convenient for replacing filter nets.

Background technique

With the improvement of people's living standards, people's requirements for the quality of life are getting higher and higher, and people's attention to health is getting higher and higher. Due to the problem of air pollution, people generally choose to use air purifiers to purify and filter the indoor air; current air purifiers generally use filter screens to filter the air, and after filtering for a period of time, the filter screens need to be replaced or cleaned to maintain the filtering effect; but It is cumbersome to replace the filter screen in the existing filter screen, and the filter screen needs to be closed when replacing the filter screen, that is, the filter screen needs to be shut down for replacement. Therefore, the existing filtering device has the problems that the replacement of the filter screen is cumbersome and needs to be shut down to replace the filter screen.

Utility model content

The purpose of the utility model is to provide a filter device which is convenient for replacing the filter screen. The utility model not only can replace the filter screen conveniently, but also can realize the non-stop replacement of the filter screen.

The technical scheme of the utility model: the filter device for convenient replacement of the filter screen includes a filter box, the top and bottom of the filter box are respectively connected with an air inlet pipe and an air outlet pipe; The first filter screen roll is connected, and the second filter screen roll is connected to the other side of the filter screen; the first filter screen roll and the second filter screen roll are respectively located on the two mutually symmetrical outer walls of the filter box, and the first filter screen A rotating shaft is connected to the roll and the second filter screen roll; filter screen covers are arranged on the filter box corresponding to the position of the first filter screen roll and the position corresponding to the second filter screen roll, and the bottom of the filter screen cover is in contact with the filter screen. The outer wall of the box is hinged.

In the aforementioned filter device for convenient filter replacement, a rotating handle or a servo motor is connected to the rotating shaft of the second filter roll.

In the aforementioned filter device for convenient replacement of the filter screen, a first sealing strip is provided at a position corresponding to the first filter screen roll on the inner side wall of the filter box, and a sealing strip is provided at a position corresponding to the second filter screen roll on the inner side wall of the filter box. The second sealing strip; the first sealing strip and the second sealing strip are respectively located at the two ends of the filter screen, and the supporting frame is connected to the second sealing strip.

In the aforementioned filter device for convenient filter replacement, the first sealing strip and the second sealing strip both include two elastic arc-shaped sealing strips arranged symmetrically up and down.

In the aforementioned filter device for convenient replacement of the filter screen, the top of the filter screen cover is provided with a bent section, and the outer wall of the filter box is rotatably connected with a buckle at a position corresponding to the bent section.

In the aforementioned filter device for convenient replacement of the filter screen, both ends of the rotating shaft are connected with a support frame, and the support frame is fixedly connected with the outer wall of the filter box.

Compared with the prior art, the utility model improves the existing filter device, and connects the filter screen by setting the first filter screen roll and the second filter screen roll, so that the clean and unused filter screen can be rolled into the first filter screen. Net roll, the used filter screen that needs to be cleaned is rolled into a second filter screen roll, and the filter screen that needs to be cleaned in the filter box can be rolled up by rotating the second filter screen roll, and the first filter screen can be rolled up at the same time The clean filter screen in the roll is pulled out to the filter box to form a new filter screen for filtering, which not only facilitates the replacement of the filter screen, but also realizes the non-stop replacement of the filter screen, which increases the normal filtering time; by setting the hinged filter screen The net cover can play a role of sealing, prevent air from leaking from the position where the filter screen moves on the filter box, and can also protect the first filter screen roll from dust, and facilitate the opening and closing of the filter screen cover through hinges. In addition, the utility model is also provided with a rotating handle or a servo motor, which can facilitate the rotation of the second filter screen roll and further facilitate the replacement of the filter screen; The position is further sealed, which further improves the sealing performance and improves the filtering effect; both the first sealing strip and the second sealing strip adopt two elastic arc-shaped sealing strips arranged symmetrically up and down, which can be pressed under the action of elastic restoring force. The filter screen is tightly sealed, which further improves the sealing and filtering effect; by setting the bending section and buckle, the filter screen cover can be opened, closed and fixed conveniently, which is convenient for use. Therefore, the utility model not only can replace the filter screen conveniently, but also can realize non-stop replacement of the filter screen, and has the advantages of long normal filtering time, good filtering effect and convenient use.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a partial enlarged view of A in Fig. 1 .

The marks in the drawings are: 1-filter box, 2-intake pipe, 3-outlet pipe, 4-filter, 5-first filter roll, 6-second filter roll, 7-rotating shaft, 8-filter Net cover, 9-rotating handle, 10-first sealing strip, 11-second sealing strip, 12-supporting frame, 13-bending section, 14-buckle, 15-supporting frame.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings and embodiments, but it is not used as a basis for limiting the utility model.

Example. The filter device for convenient replacement of the filter screen is constituted as shown in Figures 1 and 2, including a filter box 1, and the top and bottom of the filter box 1 are respectively connected with an air inlet pipe 2 and an air outlet pipe 3; the middle part of the filter box 1 is provided with a horizontally arranged Filter screen 4, the first filter screen roll 5 is connected to one side of the filter screen 4, and the second filter screen roll 6 is connected to the other side of the filter screen 4; the first filter screen roll 5 and the second filter screen roll 6 are respectively located in the filter box On the two mutually symmetrical outer walls of 1, the first filter screen roll 5 and the second filter screen roll 6 are connected with a rotating shaft 7; the position corresponding to the first filter screen roll 5 on the filter box 1 and the corresponding The positions of the two filter screen rolls 6 are all provided with a filter screen cover 8, and the bottom of the filter screen cover 8 is hinged to the outer side wall of the filter box 1.

The rotating shaft 7 of the second filter screen roll 6 is connected with a rotating handle 9 or a servo motor; the position corresponding to the first filter screen roll 5 on the inner wall of the filter box 1 is provided with a first sealing strip 10, and the filter box 1 A second sealing strip 11 is provided at the position corresponding to the second filter screen roll 6 on the inner wall; the first sealing strip 10 and the second sealing strip 11 are located at the two ends of the filter screen 4 respectively, and the second sealing strip 11 is connected with The support frame 12; the first sealing strip 10 and the second sealing strip 11 both include two elastic arc-shaped sealing strips symmetrically arranged up and down; the top of the filter screen cover 8 is provided with a bending section 13, and the filter box 1 Buckles 14 are rotatably connected to the positions corresponding to the bending sections on the wall; support frames 15 are connected to both ends of the rotating shaft 7 , and the support frames 15 are fixedly connected to the outer wall of the filter box 1 .

Working principle: When in use, rotate the buckle 14 to the position away from the bending section 13, turn it down to open the filter screen cover 8; then install the rotating shaft 7 of the first filter screen roll 5 in the support frame 15, so that The filter screen 4 on the first filter screen roll 5 passes through the filter box 1 and is wound on another rotating shaft 7 to form a second filter screen roll 6, thereby forming a filter screen roll 6 between the first filter screen roll 5 and the second filter screen roll 6 Remove the filter screen 4 that is filtered in the filter box 1; then turn up the filter screen cover 8, and rotate the buckle 14 until the bending section 13 is caught; then start to filter, and the air enters the filter box 1 from the air intake pipe 2, and then Filtrate through the filter screen 4 located in the filter box 1, and finally flow out from the air outlet pipe 3 to complete the filtration.

After using for a period of time, it is necessary to replace the filter screen 4 located in the filter box 1; at this time, turn the handle 9 to make the second filter screen roll 6 pull and roll the filter screen 4 located in the filter box 1 (servo motor can also be used) Drive the rotating shaft 7 on the second filter screen roll 6 to rotate for winding, the rotation angle of the rotating shaft 7 can be precisely controlled by the servo motor, and then the winding length can be precisely controlled to ensure accurate winding of the filter located in the filter box 1 Net 4); Due to the winding effect of the second filter screen roll 6, the clean filter screen 4 on the first filter screen roll 5 is pulled out into the filter box 1 to form a new filter screen 4 for filtering; and filter The filter screen 4 that needs to be cleaned in the box 1 is collected on the second filter screen roll 6 to form the filter screen 4 that needs to be cleaned on the second filter screen roll 6 .

Wherein, the first sealing strip 10 and the second sealing strip 11 all include two elastic arc-shaped sealing strips symmetrically distributed up and down, and the arc-shaped bending direction of the arc-shaped sealing strip is along the winding direction of the filter screen 4 (that is, along the From the first filter screen roll 5 to the direction of the second filter screen roll 6), the elastic force can be used to compress the filter screen 4 to seal, and the rewinding movement of the filter screen 4 will not be affected, and the filter screen 4 can be rewound. Dynamic sealing while moving.

Claims (6)

1. The filter device for convenient replacement of the filter screen is characterized in that: it includes a filter box (1), and the top and bottom of the filter box (1) are respectively connected with an air inlet pipe (2) and an air outlet pipe (3); the filter box (1) A filter screen (4) arranged horizontally is arranged in the middle part of the filter screen (4), a first filter screen roll (5) is connected to one side of the filter screen (4), and a second filter screen roll (6) is connected to the other side of the filter screen (4); The first filter screen roll (5) and the second filter screen roll (6) are respectively located on two mutually symmetrical outer walls of the filter box (1), the first filter screen roll (5) and the second filter screen roll (6) ) are connected with a rotating shaft (7); the filter box (1) is provided with a filter screen cover ( 8), the bottom of the screen cover (8) is hinged with the outer sidewall of the filter box (1). 2. The filter device for convenient filter replacement according to claim 1, characterized in that: the rotating shaft (7) of the second filter roll (6) is connected with a rotating handle (9) or a servo motor. 3. The filtering device according to claim 1, characterized in that: a first sealing strip ( 10), a second sealing strip (11) is provided at the position corresponding to the second filter screen roll (6) on the inner wall of the filter box (1); the first sealing strip (10) and the second sealing strip (11) are respectively located The two ends of the filter screen (4) and the second sealing strip (11) are connected with a support frame (12). 4. The filtering device according to claim 3, characterized in that: the first sealing strip (10) and the second sealing strip (11) both include two elastic arcs arranged symmetrically up and down sealing strip. 5. The filter device for convenient filter replacement according to claim 1, characterized in that: the top of the filter cover (8) is provided with a bending section (13), and the outer wall of the filter box (1) is correspondingly bent There is a buckle (14) that is rotationally connected at the segment position. 6. The filter device according to any one of claims 1 to 5, characterized in that: both ends of the rotating shaft (7) are connected with a support frame (15), and the support frame ( 15) It is fixedly connected with the outer wall of the filter box (1).