Fresh air ventilator with filter screen convenient to clean

Abstract

The utility model provides a fresh air ventilator convenient to clean filter screens, and relates to the technical field of fresh air ventilators, the fresh air ventilator comprises a fresh air ventilator body and a cleaning mechanism, the cleaning mechanism is installed on the outer side of the fresh air ventilator body, a filter screen cleaning structure is provided through the cleaning mechanism, the same set of filter screens can be cleaned multiple times, the working performance of the fresh air ventilator is guaranteed, and the resource utilization rate is increased. When cleaning is needed, a second electric telescopic rod extends to drive a connecting rod to move, the connecting rod is fixedly connected with a dust filtering net, so that the dust filtering net moves towards the outer side along a guide rail frame, meanwhile, a driving motor provides power to drive a rolling brush to rotate to enhance the cleaning effect, and a first electric telescopic rod telescopically controls a supporting frame to move; the contact distance between the rolling brush and the dust filtering net is adjusted, so that dust and sundries accumulated on the surface of the dust filtering net are swept outwards, the dust is filtered through a filtering structure formed by the guide rail frame and the dust filtering net, and relatively clean air enters the fresh air machine body through the ventilation pipe body and a pipeline.

Description

Technical Field

[0001] The utility model relates to the technical field of fresh air fans, in particular to a fresh air fan which is convenient for cleaning a filter screen. Background Art

[0002] A fresh air fan is an effective air purification device whose main function is ventilation. It can introduce fresh air from outdoors into the room after filtering, and at the same time discharge the polluted air from indoors to the outside, thereby improving the indoor air quality. Through the operation of the fan, a pressure difference is formed between indoors and outdoors, prompting outdoor air to enter the room.

[0003] After searching, the announcement number "CN221944340U" mentioned in the text that "the utility model discloses a filter replacement mechanism for a fresh air fan of an air-conditioning system, including. The utility model adopts a top plate and a fixed block. In actual use, when the filter has been used for a long time, the new filter can be moved up and the old filter can be ejected by opening the replacement slot, ejecting the electric telescopic rod, and popping out the top plate, thereby completing the filter replacement operation. The replaced filter can be fixed by approaching the fixed blocks on both sides to ensure the stability of subsequent use. The overall operation process does not require manual operation, and does not require the external environment to meet the conditions. It can be used flexibly. At the same time, multiple sets of filters can be pre-installed at one time, which can ensure the long-term use of the device and does not require frequent replacement operations. The service life of the device is improved, and the filter has the advantages of convenient filter replacement, labor-saving operation, and long service life. Advantages. "When in use, it adopts a top plate and a fixing block. In actual use, when the filter has been used for a long time, the new filter can be moved up and the old filter can be ejected by opening the replacement slot, ejecting the electric telescopic rod, and popping out the top plate, thereby realizing the replacement of the filter. The replaced filter can be fixed by approaching the fixing blocks on both sides, thereby ensuring the stability of subsequent use. The overall operation process does not require manual operation and does not require the external environment to meet the conditions, so it can be used flexibly. At the same time, multiple sets of filters can be pre-installed at one time, which can ensure the long-term use of the device and does not require frequent replacement operations, thereby improving the service life of the device. It has the advantages of convenient filter replacement, labor-saving operation, and long service life. However, the device maintains the dust filtering effect by replacing the filter, and it is necessary to prepare multiple filters, which has a low resource utilization rate and is prone to waste. Utility Model Content

[0004] The purpose of the utility model is to provide a fresh air blower that is easy to clean the filter, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fresh air fan that is convenient for cleaning the filter, comprising a fresh air fan body and a cleaning mechanism, wherein the cleaning mechanism is installed on the outside of the fresh air fan body;

[0006] The cleaning mechanism includes a supporting assembly, a telescopic assembly, a cleaning assembly and a moving assembly. The supporting assembly is installed on the outside of the fresh air fan body, the telescopic assembly is installed on one side of the supporting assembly, the cleaning assembly is installed on the other side of the telescopic assembly, and the moving assembly is installed on the top of the supporting assembly.

[0007] Preferably, the support assembly includes a ventilation duct body and an extension block, the outer pipe of the fresh air fan body is connected to the ventilation duct body, and the outer side of the ventilation duct body is fixedly connected to the extension block.

[0008] Preferably, the telescopic assembly includes a first electric telescopic rod and a support frame, one end of the extension block is installed with the first electric telescopic rod, and the other end of the first electric telescopic rod is fixedly connected to the support frame.

[0009] Preferably, the cleaning assembly includes a rolling brush and a driving motor, the inner side of the support frame is rotatably connected to the rolling brush, and one end of the rolling brush is connected to the driving motor with a flat key.

[0010] Preferably, the moving assembly includes a second electric telescopic rod and a connecting rod. The second electric telescopic rod is installed on the top end of the ventilation pipe body, and one end of the second electric telescopic rod is fixedly connected to the connecting rod.

[0011] Preferably, a filter assembly is installed on the inner side of the ventilation duct body, and the filter assembly includes a guide rail frame and a dust filter. The inner side of the ventilation duct body is fixedly connected to the guide rail frame, and the inner side of the guide rail frame is slidably connected to the dust filter through a slot.

[0012] Preferably, a protective assembly is installed on the surface of the ventilation duct body, and the protective assembly includes a first protective shell and a second protective shell. The side surface of the ventilation duct body is fixedly connected to the first protective shell, and the upper surface of the ventilation duct body is fixedly connected to the second protective shell.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The cleaning mechanism provides a filter cleaning structure, which can clean the same set of filters multiple times to ensure its working performance, improve resource utilization and reduce resource waste. When cleaning is required, the second electric telescopic rod extends to drive the connecting rod to move, and the connecting rod is fixedly connected to the dust filter, so that the dust filter moves outward along the guide rail frame. At the same time, the drive motor provides power to drive the rolling brush to rotate to enhance the cleaning effect. The first electric telescopic rod is extended and retracted to control the displacement of the support frame, and the contact distance between the rolling brush and the dust filter is adjusted, thereby sweeping out the dust and debris accumulated on the surface of the dust filter.

[0015] 2. The dust is filtered through the filtering structure formed by the guide rail frame and the dust filter, and the relatively clean air enters the fresh air fan body through the ventilation duct body and the pipeline. The first protective shell provides a certain protection effect for the first electric telescopic rod and the drive motor, etc. The second protective shell wraps the second electric telescopic rod to provide protection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the filter component and the protection component of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the mobile component of the utility model;

[0019] Figure 4 This is a schematic structural diagram of the support component, telescopic component, cleaning component and moving component of the utility model.

[0020] Numbers in the figure: 1. Fresh air fan body; 2. Cleaning mechanism; 21. Support assembly; 211. Ventilation duct body; 212. Extension block; 22. Telescopic assembly; 221. First electric telescopic rod; 222. Support frame; 23. Cleaning assembly; 231. Rolling brush; 232. Drive motor; 24. Moving assembly; 241. Second electric telescopic rod; 242. Connecting rod; 3. Filter assembly; 31. Guide rail frame; 32. Dust filter; 4. Protective assembly; 41. First protective shell; 42. Second protective shell. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example 1

[0023] See also Figure 1-4 As shown, the utility model provides a technical solution: a fresh air fan that is convenient for cleaning the filter, comprising a fresh air fan body 1 and a cleaning mechanism 2, wherein the cleaning mechanism 2 is installed on the outside of the fresh air fan body 1;

[0024] The cleaning mechanism 2 includes a supporting assembly 21, a telescopic assembly 22, a cleaning assembly 23 and a moving assembly 24. The supporting assembly 21 is installed on the outside of the fresh air fan body 1, the telescopic assembly 22 is installed on one side of the supporting assembly 21, the cleaning assembly 23 is installed on the other side of the telescopic assembly 22, and the moving assembly 24 is installed on the top of the supporting assembly 21.

[0025] Furthermore, the support assembly 21 includes a ventilation duct body 211 and an extension block 212. The outer pipe of the fresh air fan body 1 is connected to the ventilation duct body 211, and the outer side of the ventilation duct body 211 is fixedly connected to the extension block 212. The ventilation duct body 211 provides support and air outlet drainage functions, and the extension block 212 provides a certain extension distance so that the rolling brush 231 has sufficient space for use.

[0026] Furthermore, the telescopic assembly 22 includes a first electric telescopic rod 221 and a support frame 222. The first electric telescopic rod 221 is installed at one end of the extension block 212, and the other end of the first electric telescopic rod 221 is fixedly connected to the support frame 222. The first electric telescopic rod 221 is telescopically controlled to control the displacement of the support frame 222, and adjusts the contact distance between the rolling brush 231 and the dust filter 32, thereby sweeping out dust and debris accumulated on the surface of the dust filter 32.

[0027] Furthermore, the cleaning component 23 includes a rolling brush 231 and a drive motor 232. The inner side of the support frame 222 is rotatably connected to the rolling brush 231, and one end of the rolling brush 231 is flat-keyed and connected to the drive motor 232. The drive motor 232 provides power to drive the rolling brush 231 to rotate to enhance the cleaning effect.

[0028] Furthermore, the moving component 24 includes a second electric telescopic rod 241 and a connecting rod 242. The second electric telescopic rod 241 is installed on the top of the ventilation pipe main body 211. One end of the second electric telescopic rod 241 is fixedly connected to the connecting rod 242. The second electric telescopic rod 241 extends to drive the connecting rod 242 to move. The connecting rod 242 is fixedly connected to the dust filter 32, so that the dust filter 32 moves outward along the guide rail frame 31.

[0029] Example 2

[0030] See also Figure 2As shown, in comparison with Example 1, as another embodiment of the present invention, a filter assembly 3 is installed on the inner side of the ventilation pipe main body 211, and the filter assembly 3 includes a guide rail frame 31 and a dust filter net 32. The inner side of the ventilation pipe main body 211 is fixedly connected to the guide rail frame 31, and the inner side of the guide rail frame 31 is slidably connected to the dust filter net 32 ​​through a slot. The dust is filtered by the filter structure formed by the guide rail frame 31 and the dust filter net 32, and relatively clean air enters the fresh air fan body 1 through the ventilation pipe main body 211 and the pipeline.

[0031] Furthermore, a protective component 4 is installed on the surface of the ventilation duct body 211, and the protective component 4 includes a first protective shell 41 and a second protective shell 42. The side surface of the ventilation duct body 211 is fixedly connected with the first protective shell 41, and the upper surface of the ventilation duct body 211 is fixedly connected with the second protective shell 42. The first protective shell 41 provides a certain protection effect for the first electric telescopic rod 221 and the drive motor 232, etc., and the second protective shell 42 wraps the second electric telescopic rod 241 to provide protection.

[0032] Working principle: First, a fresh air blower that is easy to clean the filter is moved to the working position. When in use, in the first step, the ventilation pipe body 211 provides support and air outlet drainage function, and the dust is filtered through the filtering structure formed by the guide rail frame 31 and the dust filter 32. Relatively clean air enters the fresh air blower body 1 through the ventilation pipe body 211 and the pipeline. In the second step, when cleaning is needed, the second electric telescopic rod 241 extends to drive the connecting rod 242 to move. The connecting rod 242 is fixedly connected to the dust filter 32, so that the dust filter 32 moves outward along the guide rail frame 31. In the third step, the motor is driven 232 provides power to drive the rolling brush 231 to rotate to enhance the cleaning effect. The first electric telescopic rod 221 telescopes and controls the displacement of the support frame 222, adjusts the contact distance between the rolling brush 231 and the dust filter 32, thereby sweeping out the dust and debris accumulated on the surface of the dust filter 32. After completion, the dust filter 32 is reset. In the fourth step, the first protective shell 41 provides a certain protection effect for the first electric telescopic rod 221 and the drive motor 232, and the second protective shell 42 wraps the second electric telescopic rod 241 to provide protection. In this way, a use process of a fresh air fan that is convenient for cleaning the filter is completed.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fresh air blower that is easy to clean a filter, comprising a fresh air blower body (1) and a cleaning mechanism (2), characterized in that: A cleaning mechanism (2) is installed on the outside of the fresh air blower body (1); The cleaning mechanism (2) comprises a supporting assembly (21), a telescopic assembly (22), a cleaning assembly (23) and a moving assembly (24); the supporting assembly (21) is installed on the outside of the fresh air blower body (1); the telescopic assembly (22) is installed on one side of the supporting assembly (21); the cleaning assembly (23) is installed on the other side of the telescopic assembly (22); and the moving assembly (24) is installed on the top of the supporting assembly (21).

2. A fresh air blower that is easy to clean the filter according to claim 1, characterized in that: The support assembly (21) comprises a ventilation pipe body (211) and an extension block (212); the outer pipe of the fresh air blower body (1) is connected to the ventilation pipe body (211); and the outer side of the ventilation pipe body (211) is fixedly connected to the extension block (212).

3. A fresh air blower that is easy to clean the filter according to claim 2, characterized in that: The telescopic assembly (22) comprises a first electric telescopic rod (221) and a support frame (222); one end of the extension block (212) is mounted with the first electric telescopic rod (221); the other end of the first electric telescopic rod (221) is fixedly connected to the support frame (222).

4. A fresh air blower that is easy to clean the filter according to claim 3, characterized in that: The cleaning assembly (23) comprises a rolling brush (231) and a driving motor (232); the inner side of the support frame (222) is rotatably connected to the rolling brush (231); and one end of the rolling brush (231) is connected to the driving motor (232) via a flat key.

5. The fresh air blower with easy filter cleaning according to claim 2, characterized in that: The moving assembly (24) comprises a second electric telescopic rod (241) and a connecting rod (242); the second electric telescopic rod (241) is installed at the top end of the ventilation pipe body (211); and one end of the second electric telescopic rod (241) is fixedly connected to the connecting rod (242).

6. The fresh air blower with easy filter cleaning according to claim 2, characterized in that: A filter assembly (3) is installed on the inner side of the ventilation pipe body (211), and the filter assembly (3) includes a guide rail frame (31) and a dust filter (32). The inner side of the ventilation pipe body (211) is fixedly connected to the guide rail frame (31), and the inner side of the guide rail frame (31) is slidably connected to the dust filter (32) through a slot.

7. The fresh air blower with easy filter cleaning according to claim 2, characterized in that: A protective assembly (4) is installed on the surface of the ventilation pipe body (211), and the protective assembly (4) includes a first protective shell (41) and a second protective shell (42). The side surface of the ventilation pipe body (211) is fixedly connected to the first protective shell (41), and the upper surface of the ventilation pipe body (211) is fixedly connected to the second protective shell (42).

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