Purifying machine with efficient purification function

Abstract

The utility model relates to the technical field of purifiers, in particular to a purifier with an efficient purification function, which is characterized in that an outer box is sequentially provided with an air outlet cavity and an air inlet cavity from top to bottom; a primary filter is arranged on the air inlet; an air outlet of the air outlet cavity is connected with a filter layer positioning sleeve; an exhaust fan is fixed in the air outlet cavity; the filter layer positioning sleeve is communicated with the air outlet end of the exhaust fan; the top end of the filter layer positioning sleeve is detachably connected with a cover plate; a high-efficiency filter is arranged in the filter layer positioning sleeve; and a filter connecting assembly for fixing the high-efficiency filter is arranged on the cover plate. When the filter is used, the cover plate is detachably connected with the filter layer positioning sleeve, and the high-efficiency filter is also connected to the cover plate through the filter connecting assembly, so that after the cover plate is detached from the filter layer positioning sleeve, the high-efficiency filter and the cover plate are detached from the filter layer positioning sleeve together, and the high-efficiency filter is low in detaching difficulty and easy to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of purifiers, in particular to a purifier with high-efficiency purification. Background Art

[0002] A purifier is a device used to purify the surrounding environment. It can remove dust from the air and filter some gases in the air to achieve the purpose of air purification. In the daily use of the purifier, the filter needs to be regularly removed and maintained. Only in this way can the filtration capacity and filtration effect of the purifier be guaranteed. In the filter installation structure of the existing purifier, the filter in some positions (especially near the exhaust port) is difficult to disassemble and install, and it is not convenient to replace. Utility Model Content

[0003] The purpose of the utility model is to provide a purifier with high-efficiency purification in view of the defects and shortcomings of the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The utility model describes a purifier with high-efficiency purification, which includes an outer box; the outer box is provided with an air outlet cavity and an air inlet cavity in sequence from top to bottom; the air inlet cavity is connected to an air inlet; the air inlet is provided with a primary filter; the air outlet of the air outlet cavity is connected to a filter layer positioning sleeve; an exhaust fan is fixed inside the air outlet cavity; the air inlet end of the exhaust fan is connected to the air outlet end of the primary filter; the filter layer positioning sleeve is connected to the air outlet end of the exhaust fan; the top end of the filter layer positioning sleeve is detachably connected to a cover plate; the cover plate is provided with a cover plate air outlet hole; the cover plate air outlet hole is fixed with an air outlet pipe; the interior of the filter layer positioning sleeve is provided with a high-efficiency filter; the cover plate is provided with a filter connecting assembly for fixing the high-efficiency filter.

[0006] Furthermore, the filter connection assembly includes a U-shaped frame and two fixing strips fixed to the bottom of the cover plate; the bottom end of the fixing strip is fixed with a support plate facing one side of the U-shaped frame; the two ends of the U-shaped frame are fixed to two of the top corners of the cover plate; the two fixing strips are respectively fixed to the other two top corners of the cover plate; the U-shaped frame and the two fixing strips both extend into the inner cavity of the filter layer positioning sleeve.

[0007] Furthermore, the support plate is provided with a side baffle on a side away from the high efficiency filter; and a surface of one side of the side baffle extends to the surface of the fixing strip.

[0008] Furthermore, a flange is arranged around the inner surface of the filter layer positioning sleeve.

[0009] Furthermore, the primary filter is a filter barrel with a sealed bottom; the filter barrel is a filter element with a hollow structure, which is essentially no different from the prior art and is therefore not described in detail; the top surface of the filter barrel is connected to an air inlet pipe; a back-blowing blower and a three-way valve are fixed inside the air outlet cavity; the three-way valve is a one-inlet and two-outlet three-way valve; the inlet of the three-way valve is connected to the inner cavity of the filter barrel; the two outlets of the three-way valve are respectively connected to the outlet end of the back-blowing blower and the inlet end of the exhaust fan.

[0010] Furthermore, a plurality of snap-on locks are connected between the filter layer positioning sleeve and the cover plate.

[0011] Furthermore, a fireproof net is fixed inside the air inlet cavity; the fireproof net is fixed on the end surface of the air inlet.

[0012] After adopting the above structure, the beneficial effects of the utility model are as follows: the purifier with high-efficiency purification described in the utility model, when using the utility model, the air outlet cavity and the air inlet cavity are two independent closed cavities; the air outlet of the primary filter is provided with an interface connected to the air outlet cavity; the exhaust fan makes the air inlet cavity generate negative pressure, and the external gas is sucked into the air inlet cavity from the air inlet, filtered by the primary filter, and then enters the air outlet cavity, and the air in the air outlet cavity is sucked by the exhaust fan and forced into the filter layer positioning sleeve, and is further filtered by the high-efficiency filter and then discharged from the air outlet pipe, completing the entire filtering process. The cover plate is detachably connected to the filter layer positioning sleeve, and the high-efficiency filter is also connected to the cover plate through the filter connection assembly, so when the cover plate is removed from the filter layer positioning sleeve, the high-efficiency filter and the cover plate are removed from the filter layer positioning sleeve together, and the high-efficiency filter is easy to disassemble and assemble and is easy to replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is the internal structure diagram of the utility model;

[0014] Figure 2 It is a first-view stereogram of the utility model;

[0015] Figure 3 It is an exploded view of the utility model;

[0016] Figure 4 It is the structural diagram of the cover;

[0017] Figure 5 yes Figure 4 A magnified view of section A;

[0018] Description of reference numerals:

[0019] 1. air outlet pipe; 2. cover plate; 201. air outlet hole of cover plate; 202. fixing strip; 202a. support plate;

[0020] 202b, side baffle; 203, U-shaped frame; 3, buckle lock; 301, lock hook; 302, movable buckle;

[0021] 4. High efficiency filter; 5. Outer box; 501. Filter layer positioning sleeve; 502. Air outlet cavity;

[0022] 503, air inlet cavity; 504, flange; 6, back-blowing fan; 7, exhaust fan; 8, three-way valve;

[0023] 9. Air inlet pipe; 10. Primary filter; 11. Fireproof net; 12. Air inlet. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings.

[0025] like Figures 1 to 5 As shown, a purifier with high-efficiency purification described in the utility model includes an outer box 5; the outer box 5 is provided with an air outlet cavity 502 and an air inlet cavity 503 from top to bottom; the air inlet cavity 503 is connected with an air inlet 12; the air inlet 12 is provided with a primary filter 10; the air outlet of the air outlet cavity 502 is connected with a filter layer positioning sleeve 501; an exhaust fan 7 is fixed inside the air outlet cavity 502; the air inlet end of the exhaust fan 7 is connected with the air outlet end of the primary filter 10; the filter layer positioning sleeve 501 is connected with the air outlet end of the exhaust fan 7; the top end of the filter layer positioning sleeve 501 is detachably connected with a cover plate 2; the cover plate 2 is provided with a cover plate air outlet hole 201; the cover plate air outlet hole 201 is fixed with an air outlet pipe 1; the interior of the filter layer positioning sleeve 501 is provided with a high-efficiency filter 4; the cover plate 2 is provided with a filter connecting assembly for fixing the high-efficiency filter 4;

[0026] The primary filter 10 and the high efficiency filter 4 are essentially the same as the prior art, so they are not described in detail; the high efficiency filter 4 is an h12 grade filter, and the primary filter 10 is an f6 grade filter; the air outlet cavity 502 and the air inlet cavity 503 are two independent closed cavities; the air outlet of the primary filter 10 is provided with an interface connected to the air outlet cavity 502;

[0027] The exhaust fan 7 creates a negative pressure in the air inlet cavity 503, and after the external gas is sucked into the air inlet cavity 503 from the air inlet 12, it is filtered through the primary filter 10 and then enters the air outlet cavity 502. The air in the air outlet cavity 502 is sucked in by the exhaust fan 7 and forced into the filter layer positioning sleeve 501, and is further filtered through the high-efficiency filter 4 and then discharged from the air outlet pipe 1, completing the entire filtering process.

[0028] The cover plate 2 is detachably connected to the filter layer positioning sleeve 501, and the high-efficiency filter 4 is also connected to the cover plate 2 through a filter connecting assembly. Therefore, when the cover plate 2 is removed from the filter layer positioning sleeve 501, the high-efficiency filter 4 and the cover plate 2 are removed from the filter layer positioning sleeve 501 together, and the high-efficiency filter 4 is easy to disassemble and assemble and is easy to replace.

[0029] As a preferred embodiment of the present invention, the filter connection assembly includes a U-shaped frame 203 and two fixing strips 202 fixed to the bottom of the cover plate 2; the bottom end of the fixing strip 202 is fixed with a support plate 202a facing one side of the U-shaped frame 203; the two ends of the U-shaped frame 203 are fixed to two of the top corners of the cover plate 2; the cover plate 2 is rectangular in shape; the two fixing strips 202 are respectively fixed to the other two top corners of the cover plate 2; the U-shaped frame 203 and the two fixing strips 202 are both extended into the inner cavity of the filter layer positioning sleeve 501; the high efficiency filter 4 is a rectangular parallelepiped structure, and the high efficiency filter 4 During installation, after the high-efficiency filter 4 passes through the U-shaped frame 203, one end of the high-efficiency filter 4 is placed on the top surface of the support plate 202a; and the other end of the high-efficiency filter 4 is placed inside the U-shaped frame 203; then after the high-efficiency filter 4, the U-shaped frame 203 and the two fixing strips 202 extend into the inner cavity of the filter layer positioning sleeve 501, the high-efficiency filter 4 cannot be pulled out from the U-shaped frame 203, so that the high-efficiency filter 4 is positioned on the cover plate 2; when the cover plate 2 is removed from the filter layer positioning sleeve 501, the high-efficiency filter 4 can be directly pulled out from the U-shaped frame 203; the high-efficiency filter 4 is easy to disassemble and assemble on the cover plate 2.

[0030] As a preferred embodiment of the utility model, the support plate 202a is provided with a side baffle 202b on the side away from the high-efficiency filter 4; one side surface of the side baffle 202b extends to the surface of the fixing strip 202; in addition to being used for lateral positioning of the high-efficiency filter 4, the side baffle 202b can also serve as a rib, thereby making the support plate 202a stronger and reducing the risk of deformation of the support plate 202a.

[0031] As a preferred embodiment of the present invention, a flange 504 is arranged around the inner surface of the filter layer positioning sleeve 501 ; the flange 504 is used to provide support for the U-shaped frame 203 and the two fixing strips 202 .

[0032] As a preferred embodiment of the present invention, the primary filter 10 is a filter barrel with a sealed bottom; the filter barrel is a filter element with a hollow structure, which is essentially the same as the prior art, so it is not described in detail; the top surface of the filter barrel is connected to an air inlet pipe 9; a back-blowing fan 6 and a three-way valve 8 are fixed inside the air outlet cavity 502; the three-way valve 8 is a one-in-two-out three-way valve; the inlet of the three-way valve 8 is connected to the inner cavity of the filter barrel; the two outlets of the three-way valve 8 are respectively connected to the air outlet end of the back-blowing fan 6 and the air inlet end of the exhaust fan 7;

[0033] In the filtering working state, the three-way valve 8 connects the pipeline between the filter barrel and the exhaust fan 7; the pipeline between the filter barrel and the back-blowing machine 6 is closed; when it is necessary to back-blow to remove the dust on the primary filter 10, the three-way valve 8 connects the pipeline between the filter barrel and the back-blowing machine 6; the pipeline between the filter barrel and the exhaust fan 7 is closed; the back-blowing machine 6 generates an airflow that enters the three-way valve 8 into the air inlet pipe 9 and then blows into the primary filter 10, and the dust on the primary filter 10 is removed by the reverse airflow.

[0034] As a preferred embodiment of the utility model, a plurality of snap locks 3 are connected between the filter layer positioning sleeve 501 and the cover plate 2; the snap locks 3 are essentially no different from the prior art and are therefore not described in detail; the snap locks 3 are composed of a locking hook 301 fixed on the cover plate 2 and a movable buckle 302 fixed on the filter layer positioning sleeve 501; the snap locks 3 are used to connect, so that the cover plate 2 is more convenient to disassemble.

[0035] As a preferred embodiment of the present invention, a fireproof net 11 is fixed inside the air inlet cavity 503; the fireproof net 11 is fixed on the end face of the air inlet 12; the fireproof net 11 is essentially the same as the prior art, so it is not described in detail.

[0036] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A purifier with high efficiency, characterized by: The invention comprises an outer box (5); the outer box (5) is provided with an air outlet cavity (502) and an air inlet cavity (503) in sequence from top to bottom; the air inlet cavity (503) is connected to an air inlet (12); a primary filter (10) is provided on the air inlet (12); the air outlet of the air outlet cavity (502) is connected to a filter layer positioning sleeve (501); an exhaust fan (7) is fixed inside the air outlet cavity (502); the air inlet end of the exhaust fan (7) is connected to the primary filter (10); ) is connected to the air outlet end of the exhaust fan (7); the filter layer positioning sleeve (501) is connected to the air outlet end of the exhaust fan (7); the top end of the filter layer positioning sleeve (501) is detachably connected to a cover plate (2); the cover plate (2) is provided with a cover plate air outlet hole (201); an air outlet pipe (1) is fixed to the cover plate air outlet hole (201); a high-efficiency filter (4) is arranged inside the filter layer positioning sleeve (501); and a filter connecting assembly for fixing the high-efficiency filter (4) is arranged on the cover plate (2).

2. A purifier with high efficiency according to claim 1, characterized in that: The filter connection assembly comprises a U-shaped frame (203) and two fixing strips (202) fixed to the bottom of the cover plate (2); a support plate (202a) facing one side of the U-shaped frame (203) is fixed to the bottom end of the fixing strip (202); two ends of the U-shaped frame (203) are fixed to two top corners of the cover plate (2); the two fixing strips (202) are respectively fixed to the other two top corners of the cover plate (2); the U-shaped frame (203) and the two fixing strips (202) all extend into the inner cavity of the filter layer positioning sleeve (501).

3. A purifier with high efficiency according to claim 2, characterized in that: The support plate (202a) is provided with a side baffle (202b) on the side away from the high-efficiency filter (4); a surface of one side of the side baffle (202b) extends to the surface of the fixing strip (202).

4. The purifier with high efficiency according to claim 1, characterized in that: The inner surface of the filter layer positioning sleeve (501) is provided with a flange (504) around its periphery.

5. The purifier with high efficiency according to claim 1, characterized in that: The primary filter (10) is a filter barrel with a sealed bottom; the filter barrel is a filter element with a hollow structure, and the top surface of the filter barrel is connected to an air inlet pipe (9); a back-blowing fan (6) and a three-way valve (8) are fixed inside the air outlet cavity (502); the three-way valve (8) is a one-in-two-out three-way valve; the inlet of the three-way valve (8) is connected to the inner cavity of the filter barrel; and the two outlets of the three-way valve (8) are respectively connected to the air outlet end of the back-blowing fan (6) and the air inlet end of the exhaust fan (7).

6. The purifier with high efficiency according to claim 1, characterized in that: A plurality of snap locks (3) are connected between the filter layer positioning sleeve (501) and the cover plate (2).

7. The purifier with high efficiency according to claim 1, characterized in that: A fireproof net (11) is fixed inside the air inlet cavity (503); the fireproof net (11) is fixed on the end surface of the air inlet (12).

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