CN215809047U

CN215809047U - Self-cleaning return air pipe

Info

Publication number: CN215809047U
Application number: CN202121965983.4U
Authority: CN
Inventors: 黄梦楠; 冯平
Original assignee: Sinodeu Medical Co Ltd
Current assignee: Sinodeu Medical Co Ltd
Priority date: 2021-08-20
Filing date: 2021-08-20
Publication date: 2022-02-11
Anticipated expiration: 2031-08-20

Abstract

The utility model discloses a self-cleaning return air pipe, which comprises a tubular body for connecting a circulating unit and an air return inlet, and is characterized in that: the utility model discloses a flexible brush hair drying machine, including tubular body, filter screen, brush hair pole, first fixed plate, second fixed plate, lead screw, first sticky burr strip, second sticky burr strip, the filter screen of a framework outer terminal surface is installed with a framework and is covered in the region of tubular body near the return air inlet, and this tubular body is located the filter screen and is provided with first fixed plate, second fixed plate respectively towards one side bottom both sides of return air inlet, the left side frame slat and the right frame slat of framework are provided with respectively and are parallel with the brush hair pole and the first sticky burr strip that corresponds with the flexible brush hair of bar, and the length that is located the lead screw between first fixed plate, the second fixed plate is greater than the length of filter screen to make the flexible brush hair of bar that is located on the brush hair pole can contact with first sticky burr strip, second sticky burr strip under the drive of swivel nut. The utility model can automatically clean the fluff on the filter screen at regular intervals and fix the cleaned fluff on the sticky burr strip in time.

Description

Self-cleaning return air pipe

Technical Field

The utility model relates to the field of auxiliary instruments of medical equipment, in particular to a self-cleaning return air pipe.

Background

The fresh air system is a set of independent air processing system consisting of an air supply system and an air exhaust system, and the common fresh air system in the market consists of a fresh air machine and pipeline accessories, and the fresh air machine purifies outdoor air and guides the outdoor air into the room. The filter efficiency of the fresh air system is reduced faster than the preset filter efficiency after the fresh air system is used for a long time, and the integral energy consumption and wind resistance of the fresh air are increased.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a self-cleaning return air pipe which can automatically clean fluff on a filter screen at regular intervals and fix the cleaned fluff on a fluff sticking strip in time, so that the cleaned fluff is prevented from flowing and causing secondary pollution in an area of the self-cleaning return air pipe close to a return air inlet.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a self-purification return air pipe, includes the tubulose body that is used for connecting circulation unit and return air inlet, its characterized in that: the air return device is characterized in that a frame body and a filter screen covered on the outer end face of the frame body are installed in the area, close to an air return opening, of the tubular body, a first fixing plate and a second fixing plate are respectively arranged on two sides of the bottom of one side, located on the filter screen, facing the air return opening, of the tubular body, two ends of a lead screw are respectively connected with the first fixing plate and the second fixing plate through bearings, a strip-shaped plate, located on the same side of the filter screen, with the fixing plates, is arranged at the top of the tubular body and located right above the lead screw, the upper end of a bristle rod is embedded into a guide strip hole of the strip-shaped plate, the lower end of the bristle rod is connected to a screw sleeve sleeved on the lead screw, strip-shaped flexible bristles used for being in surface contact with the filter screen are installed on the bristle rod, and a driving mechanism used for driving the lead screw to rotate is arranged at one end of the lead screw;

the left frame strip plate and the right frame strip plate of the frame body are respectively provided with a first adhesive bristle strip and a second adhesive bristle strip which are parallel to the bristle bar and correspond to the strip-shaped flexible bristles, and the length of the screw rod between the first fixing plate and the second fixing plate is larger than that of the filter screen, so that the strip-shaped flexible bristles on the bristle bar can be in contact with the first adhesive bristle strip and the second adhesive bristle strip under the driving of the screw sleeve.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the driving mechanism is a motor.

2. In the above scheme, the first fixing plate and the second fixing plate are both located on the outer side of the filter screen.

3. In the scheme, the height of the strip-shaped flexible bristles is the same as that of the filter screen.

4. In the above scheme, first adhesive hair thorn strip and second adhesive hair thorn strip all are connected with left frame strip board and right frame strip board through 2 at least double-screw bolts.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the self-cleaning return air pipe not only can regularly and automatically clean the fluff on the filter screen and improve the service life of the circulator and the stability of the performances such as energy consumption, wind resistance and the like, but also can fix the cleaned fluff on the sticky bur strip in time, thereby avoiding the elegant appearance and secondary pollution of the cleaned fluff in the area of the self-cleaning return air pipe close to the return air inlet.

Drawings

FIG. 1 is a schematic structural view of a self-cleaning return air duct according to the present invention;

FIG. 2 is a schematic view of a partial structure of a self-cleaning return air duct according to the present invention;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

fig. 4 is a schematic view of a partial structure of the self-cleaning return air duct of the present invention.

In the above drawings: 1. a circulating unit; 51. a tubular body; 5. an air return opening; 8. a guide bar hole; 9. a strip plate; 10. a nut; 11. a frame body; 111. a left frame slat; 112. a right frame slat; 12. mounting a plate; 131. a first bristle sticking strip; 132. a second bristle sticking strip; 14. a filter screen; 15. a stud; 20. a lead screw; 21. a bristle bar; 22. a threaded sleeve; 23. strip-shaped flexible bristles; 251. a first fixing plate; 252. and a second fixing plate.

Detailed Description

In the description of this patent, it is noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in this patent may be specifically understood by those of ordinary skill in the art.

Example 1: the utility model provides a self-cleaning return air pipe, includes the tubulose body 51 that is used for connecting circulation unit 1 and return air inlet 5, its characterized in that: a frame body 11 and a filter screen 14 covering the outer end face of the frame body 11 are installed in an area of the tubular body 51 close to the return air inlet 5, a first fixing plate 251 and a second fixing plate 252 are respectively arranged on two sides of the bottom of one side, facing the return air inlet 5, of the filter screen 14, of the tubular body 51, two ends of a lead screw 20 are respectively connected with the first fixing plate 251 and the second fixing plate 252 through bearings, a strip-shaped plate 9 located on the same side of the filter screen 14 as the fixing plates is arranged at the top of the tubular body 51 and located right above the lead screw 20, the upper end of a bristle rod 21 is embedded into a guide strip hole 8 of the strip-shaped plate 9, the lower end of the bristle rod 21 is connected to a threaded sleeve 22 sleeved on the lead screw 20, strip-shaped flexible bristles 23 used for being in surface contact with the filter screen 14 are installed on the bristle rod 21, and a driving mechanism used for driving the lead screw 20 to rotate is arranged at one end of the lead screw 20;

the left frame strip plate 111 and the right frame strip plate 112 of the frame body 11 are respectively provided with a first adhesive bristle strip 131 and a second adhesive bristle strip 132 which are parallel to the bristle bar 21 and correspond to the strip-shaped flexible bristles 23, and the length of the screw rod 20 between the first fixing plate 251 and the second fixing plate 252 is greater than that of the filter screen 14, so that the strip-shaped flexible bristles 23 on the bristle bar 21 can be in contact with the first adhesive bristle strip 131 and the second adhesive bristle strip 132 under the driving of the threaded sleeve 22.

The driving mechanism is a motor; the first fixing plate 251 and the second fixing plate 252 are both located outside the filter 14.

Example 2: the utility model provides a self-cleaning return air pipe, includes the tubulose body 51 that is used for connecting circulation unit 1 and return air inlet 5, its characterized in that: a frame body 11 and a filter screen 14 covering the outer end face of the frame body 11 are installed in an area of the tubular body 51 close to the return air inlet 5, a first fixing plate 251 and a second fixing plate 252 are respectively arranged on two sides of the bottom of one side, facing the return air inlet 5, of the filter screen 14, of the tubular body 51, two ends of a lead screw 20 are respectively connected with the first fixing plate 251 and the second fixing plate 252 through bearings, a strip-shaped plate 9 located on the same side of the filter screen 14 as the fixing plates is arranged at the top of the tubular body 51 and located right above the lead screw 20, the upper end of a bristle rod 21 is embedded into a guide strip hole 8 of the strip-shaped plate 9, the lower end of the bristle rod 21 is connected to a threaded sleeve 22 sleeved on the lead screw 20, strip-shaped flexible bristles 23 used for being in surface contact with the filter screen 14 are installed on the bristle rod 21, and a driving mechanism used for driving the lead screw 20 to rotate is arranged at one end of the lead screw 20;

The height of the strip-shaped flexible bristles 23 is the same as that of the filter screen 14; the first and second adhesive burr strips 131 and 132 are connected to the left and right frame strips 111 and 112 through at least 2 studs 15.

When the self-cleaning return air pipe is adopted, fluff on the filter screen can be cleaned regularly and automatically, the service life of the circulator is prolonged, the stability of the performance such as energy consumption and wind resistance is improved, and the cleaned fluff can be fixed on the fluff sticking strips in time, so that the cleaned fluff is prevented from flowing and secondary pollution in the area of the self-cleaning return air pipe close to the return air inlet.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a self-cleaning return air pipe, includes tubular body (51) that is used for connecting circulation unit (1) and return air inlet (5), its characterized in that: a frame body (11) and a filter screen (14) covered on the outer end face of the frame body (11) are installed in the area of the tubular body (51) close to the return air inlet (5), a first fixing plate (251) and a second fixing plate (252) are respectively arranged on two sides of the bottom of one side, facing the return air inlet (5), of the filter screen (14), two ends of a lead screw (20) are respectively connected with the first fixing plate (251) and the second fixing plate (252) through bearings, a strip-shaped plate (9) located on the same side of the filter screen (14) with the fixing plates is arranged at the top of the tubular body (51) and is located right above the lead screw (20), the upper end of a bristle bar (21) is embedded into a guide strip hole (8) of the strip-shaped plate (9), the lower end of the bristle bar (21) is connected to a threaded sleeve (22) sleeved on the lead screw (20), and strip-shaped flexible bristles (23) used for contacting with the surface of the filter screen (14) are installed on the bristle bar (21), one end of the screw rod (20) is provided with a driving mechanism for driving the screw rod (20) to rotate;

the left frame slat (111) and the right frame slat (112) of framework (11) are provided with respectively and are parallel with brush hair pole (21) and first glue hair thorn strip (131), the second glue hair thorn strip (132) that correspond with bar flexible brush hair (23), and the length that is located lead screw (20) between first fixed plate (251), second fixed plate (252) is greater than the length of filter screen (14) to make bar flexible brush hair (23) that are located on brush hair pole (21) can contact with first glue hair thorn strip (131), second glue hair thorn strip (132) under the drive of swivel nut (22).

2. The self-cleaning return air duct of claim 1, wherein: the driving mechanism is a motor.

3. The self-cleaning return air duct of claim 1, wherein: the first fixing plate (251) and the second fixing plate (252) are both located on the outer side of the filter screen (14).

4. The self-cleaning return air duct of claim 1, wherein: the height of the strip-shaped flexible bristles (23) is the same as that of the filter screen (14).

5. The self-cleaning return air duct of claim 1, wherein: the first wool sticking strip (131) and the second wool sticking strip (132) are connected with the left frame strip plate (111) and the right frame strip plate (112) through at least 2 studs (15).