CN209646098U - A kind of air cleaning unit - Google Patents

Abstract

The utility model relates to technical field of air purification, provide a kind of air cleaning unit, including the first cabinet, the second cabinet, filter assemblies, several first connecting tubes and several second connecting tubes；First cabinet includes several first air inlets and several first gas outlets；Second cabinet includes several second air inlets and several second gas outlets；Filter assemblies are detachably arranged between the first connecting tube and the second connecting tube；The one end of first connecting tube far from filter assemblies is connected with the first gas outlet, and the one end of the second connecting tube far from filter assemblies is connected with the second air inlet.Air cleaning unit provided by the utility model, by being detachably arranged in filter assemblies between the first connecting tube being connect with the first cabinet and the second connecting tube being connect with the second cabinet, so that the air cleaning unit is when replacing filter screen, it only needs to dismantle filter assemblies, filter screen can be replaced, operating process is simple and efficient.

Description

an air purification device

technical field

The utility model relates to the technical field of air purification, in particular to an air purification device.

Background technique

In recent years, with the concentrated outbreak of smog weather, the air purifier market is extremely hot. Air purifiers refer to products that can absorb, decompose or transform various pollutants in the air, and effectively improve the cleanliness of indoor air. It is widely used in industrial and industrial fields. In the home field, single-unit household air purifiers are the mainstream products in the market. The main function is to remove particulate matter in the air, including allergens and indoor PM2.5. Air pollution problems caused by decoration or other reasons caused by volatile organic compounds in indoor spaces, underground spaces, and cars. In the existing air purifier, the air supply system is composed of a blower fan and an air duct to circulate the air. During the air circulation process, the air flows through the filter screen assembly, and the particulate matter in the air flowing through the filter screen assembly is absorbed by the filter element or the filter screen assembly. Therefore, the filter screen needs to be replaced and cleaned regularly. Generally, in order to clean the filter screen, the filter screen must be taken out. In order to take out the filter screen and reassemble the filter screen after cleaning, it is first necessary to remove several parts of the air purifier (such as the cover of the cabinet and the grille assembly), and then reassemble the cleaned filter screen to the air purifier After the air purifier, it is necessary to reinstall the above-mentioned several components to the air purifier, and the operation process is particularly complicated.

Utility model content

(1) Technical problems to be solved

The purpose of the utility model is to provide an air purification device to solve the complicated and complicated technical problem of disassembly and installation when replacing the filter screen of the air purification device in the prior art or related technology.

(2) Technical solutions

In order to solve the above technical problems, the utility model provides an air purification device, which includes a first box body, a second box body, a filter assembly, a number of first connecting pipes and a number of second connecting pipes; the first box body includes a number of first Air inlet and some first air outlets, the first air inlet is used to make the air to be purified enter the first box; the second box includes some second air inlets and some second air outlets, the second outlet The air port is used to discharge the purified air; the filter assembly is detachably installed between the first connecting pipe and the second connecting pipe; the end of the first connecting pipe away from the filter assembly is connected to the first air outlet, and the second connecting pipe is away from One end of the filter assembly is connected with the second air inlet.

Among them, several first air outlets are arranged in the vertical direction from top to bottom on the side opposite to the side where the first air inlet is located; several second air inlets are arranged vertically from top to bottom Arranged on the side opposite to the side where the second air outlet is located on the second box body, and the second air outlet corresponds to the first air outlet one by one; the height of the first air outlet is lower than that connected to the first air outlet on the same filter The height of the second air inlet on the component; the middle section of the first connecting pipe and the middle section of the second connecting pipe are both provided with telescopic hoses.

Wherein, the filter assembly includes a third connecting pipe, a cover body, a frame body and a first filter screen; the third connecting pipe is installed between the first connecting pipe and the second connecting pipe; the frame body is detachably installed on the third connecting pipe Between the frame and the second connecting pipe, a counterbore is provided on the frame, and the first filter screen is detachably installed in the counterbore; a first through hole is provided on the cover, and the cover is sleeved on the third connecting pipe, Outside the frame and the second connecting pipe, the inner wall of one end of the cover is rotatably connected to the outer wall of the third connecting pipe near the end of the frame, and the outer wall of the second connecting pipe near the frame is connected to the first through hole. Inner wall connection.

Wherein, the air purification device also includes a protective cover and a retaining ring; the protective cover is set outside the frame, and the top surface of the protective cover is in contact with the end of the second connecting pipe, and the bottom surface of the protective cover is in contact with the end of the third connecting pipe. , used to protect the frame; the retaining ring is wound around the outer wall of the second connecting pipe near the end of the frame, and the retaining ring is clamped between the protective sleeve and the cover.

Wherein, the air cleaning device further includes a vibrating assembly; the vibrating assembly is connected to the third connecting pipe at the top and/or the vibrating assembly is connected to the third connecting pipe at the bottom, for driving the filter assembly to vibrate.

Wherein, the vibrating assembly includes a driving rod, a first limiting ring, a second limiting ring, a first elastic element, a second elastic element and a supporting plate; The pipe wall is fixedly connected, and the other end of the drive rod is provided with a first handle; the support plate is horizontally arranged between the first box body and the second box body, and the surface of the support plate is provided with a second through hole, and the drive rod is far away from the first handle One end of one end is inserted into the second through hole; the first limit ring is set on the drive rod, located at the end of the drive rod close to the third connecting pipe; the second limit ring is set on the drive rod, located on the drive rod away from the third connecting pipe; One end of the connecting pipe; the first elastic element is sleeved on the driving rod, located between the first limiting ring and the supporting plate; the second elastic element is sleeved on the driving rod, located between the second limiting ring and the supporting plate .

Wherein, the air cleaning device also includes a cylinder; the cylinder is arranged on the top of the first box, and the rodless chamber of the cylinder communicates with the inside of the first box, and the connection between the cylinder and the first box is provided with a first One-way valve, the bottom of the first box is provided with a discharge port; the cylinder is provided with a third air inlet, and the third air inlet is provided with a second one-way valve.

Wherein, the air cleaning device further includes a fan; the fan is arranged in the second box, and is used for sucking the gas in the first box into the second box.

Wherein, the air cleaning device also includes several connecting plates and several supporting legs; the connecting plates are arranged between the first box body and the second box body for connecting the first box body and the second box body; The bottoms of the first box and the second box are used to support the first box and the second box.

(3) Beneficial effects

In the air purification device provided by the utility model, the filter assembly is detachably installed between the first connecting pipe connected with the first box body and the second connecting pipe connected with the second box body, so that the air purification device is When replacing the filter screen, you only need to disassemble the filter assembly to replace the internal purification filter screen or filter element, and the operation process is simple and efficient.

Description of drawings

Fig. 1 is the overall structure schematic diagram of an embodiment of the air cleaning device provided by the utility model;

Fig. 2 is the enlarged schematic diagram of the partial structure of an embodiment of the air cleaning device provided by the utility model;

In the figure, 1-the first box; 2-the second box; 3-the first air inlet; 4-the first connecting pipe; 5-the second connecting pipe; 6-the second air outlet; 7-the third Connecting pipe; 8-telescopic hose; 9-cover; 11-drive rod; 12-support plate; 13-cylinder; 15-connecting plate; 16-support leg; 17-frame; 19-protective sleeve; 20-retaining ring.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the utility model is described in further detail. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

As shown in Figure 1, the utility model provides an air purification device, including a first box body 1, a second box body 2, a filter assembly, a number of first connecting pipes 4 and a number of second connecting pipes 5; the first box body 1 includes a number of first air inlets 3 and a number of first air outlets; the second box body 2 includes a number of second air inlets and a number of second air outlets 6; the filter assembly is detachably installed on the first connecting pipe 4 and the second air outlet Between the two connecting pipes 5; the end of the first connecting pipe 4 away from the filter assembly is connected to the first air outlet, and the end of the second connecting pipe 5 away from the filter assembly is connected to the second air inlet.

Specifically, the connection mode between the first air outlet and the first connecting pipe 4 is a sealed connection, the connection mode between the second connecting pipe 5 and the second air inlet is also a sealed connection, and the filter assembly is connected to the first connecting pipe 4 and the second The junction of the connecting pipe 5 is also sealed to ensure that the gas will not leak during the circulation; the material of the first connecting pipe 4 and the second connecting pipe 5 can be a plastic pipe, and the first box body 1 and the second box body The material of 2 can be plastics, also can be metal; The size and number of the first connecting pipe 4 and the second connecting pipe 5 can be according to the first air inlet 3, the first air outlet, the second air inlet and the second outlet. The size and quantity of the air port 6 are set. The air enters the first box body 1 through the first air inlet 3, and then flows out from the first air outlet. The air flows to the filter assembly through the first connecting pipe 4, and the filter assembly removes and filters impurities in the air. The final air passes through the second connecting pipe 5, enters the second box body 2 from the second air inlet, and is discharged from the second air outlet 6 to realize the purpose of air purification; When replacing and cleaning the net or filter element, you only need to disassemble the filter assembly, and then replace and clean the internal purification filter screen or filter element.

In the air purification device provided by the utility model, the filter assembly is detachably installed between the first connecting pipe 4 connected to the first box body 1 and the second connecting pipe 5 connected to the second box body 2, so that the When replacing the filter screen of the air purification device, you only need to disassemble the filter assembly to replace the internal purification filter screen or filter element, and the operation process is simple and efficient.

Further, several first air outlets are vertically arranged on the side of the first box 1 away from the first air inlet 3 from top to bottom; several second air inlets are vertically arranged from top to bottom. The bottom and the first air outlet are arranged on the side of the second box body 2 away from the second air outlet 6 in one-to-one correspondence; the height of the first air outlet is lower than the height of the corresponding second air inlet; the first connecting pipe 4 The middle section of the middle section and the middle section of the second connecting pipe 5 are all provided with telescopic hoses 8 . Specifically, for example, a first air inlet 3 is provided on the left side of the first box body 1, a vent pipe may be provided at the first air inlet 3, and a control valve may be provided on the vent pipe to control the flow of air; The first air outlet can be arranged on the right side of the first box body 1, for example, there are three first air outlets; correspondingly, three second air inlets are also provided, and the second air inlet is arranged on the second box body 2, the first connecting pipe 4 and the second connecting pipe 5 are correspondingly set to three, and the second air outlet 6 can be set according to actual needs, for example, on the right side of the second box body 2 Four second air outlets 6, the four second air outlets 6 can be arranged at equal intervals; wherein, the interval between two adjacent first air outlets can be equal or unequal; correspondingly, two adjacent first air outlets The intervals between the two air inlets can be equal or unequal; the height of each second air inlet connected with the first air outlet is higher than the height of the first air outlet, so that the first connecting pipe 4 , the filter assembly and the second connecting pipe 5 can be tilted to the upper right, and the inclination angle can be adjusted according to the actual situation. Such setting can make the dust and impurities inside the filter assembly shake off when it is vibrated, and then Fall into the first box body 1 along the first connecting pipe 4; for example, in order to make the cleaning effect of dust and impurities in the filter assembly better, the middle of the first connecting pipe 4 and the second connecting pipe 5 can be The segment is set as a telescopic hose 8, for example, the telescopic hose 8 can be a hose made of rubber, which is conducive to increasing the vibration stroke of the filter assembly, and the intensity of the vibration is greater, making it easier for dust and impurities to be filtered Components fall out.

As shown in Figure 2, further, the filter assembly includes a third connecting pipe 7, a cover body 9, a frame body 17 and a first filter screen 18; the third connecting pipe 7 is installed between the first connecting pipe 4 and the second connecting pipe 5 Between; the frame body 17 is detachably installed between the third connecting pipe 7 and the second connecting pipe 5, and the frame body 17 is provided with a counterbore, and the first filter screen 18 is detachably installed in the counterbore; the cover The body 9 is provided with a first through hole, and the cover body 9 is sleeved outside the third connecting pipe 7, the frame body 17 and the second connecting pipe 5, and the inner wall of one end of the cover body 9 and the third connecting pipe 7 are close to the frame body 17. The outer pipe wall at one end of the second connecting pipe 5 is connected to the inner wall of the first through hole near the outer pipe wall of the frame body 17 rotatably. Specifically, for example, one end of the third connecting pipe 7 is fixedly connected to the first connecting pipe 4, the outer wall of the other end of the third connecting pipe 7 can be provided with external threads, and the third connecting pipe 7 can be a plastic pipe; The cover body 9 can be a cylindrical cover body 9, the first through hole is provided on the cover body 9, the top diameter of the first through hole is smaller than the bottom diameter, the bottom of the cover body 9 is provided with an internal thread, and the cover body 9 is inserted into the first through hole. After the three connecting pipes 7 are threadedly connected with the third connecting pipe 7; the end of the second connecting pipe 5 near the first connecting pipe 4 is inserted into the cover body 9 from the top of the first through hole, and the outer pipe wall of the second connecting pipe 5 Also can be threaded connection with the inwall of the first through hole, for example, external thread is set at the outer pipe wall of the second connecting pipe 5, and internal thread is set in the inwall of the first through hole; Frame body 17 can be annular, frame body 17 A counterbore is arranged inside, and the size of the counterbore is designed according to the size of the first filter screen 18, and the shape of the counterbore also matches the shape of the first filter screen 18. After the first filter screen 18 is installed on the frame body 17, Put the frame body 17 between the third connecting pipe 7 and the second connecting pipe 5 . When the whole filter assembly is installed, first the first filter screen 18 is installed in the frame body 17, then the cover body 9 is connected with the second connecting pipe 5, and then the frame body 17 is put into the third connecting pipe 7 and connected with the second connecting pipe 7. Between the pipes 5, the cover body 9 is finally screwed, so that the cover body 9 is connected with the third connecting pipe 7 to complete the installation. When the first filter screen 18 needs to be replaced, just screw the cover body 9 so that the cover body 9 is separated from the third connecting pipe 7, and the frame body 17 can be taken out together with the first filter screen 18 for replacement or cleaning, and then Install according to the above installation method. The operation of the whole process is simple and convenient, and the working efficiency is improved.

Further, the air purification device also includes a protective sleeve 19 and a retaining ring 20; the protective sleeve 19 is sleeved outside the frame body 17 for protecting the frame body 17; the retaining ring 20 is wound around the second connecting pipe 5 close to the frame body 17 One end of the outer pipe wall, and the retaining ring 20 is clamped between the protective sleeve 19 and the cover 9 . Specifically, for example, the protective sleeve 19 is ring-shaped, and the protective sleeve 19 can be made of rubber. The protective sleeve 19 is placed outside the frame body 17. On the one hand, it has the function of sealing, and on the other hand, it plays the role of buffer protection to avoid The frame body 17 and the first filter screen 18 are damaged under strong vibration. For example, the retaining ring 20 can also be arranged in a ring shape, and the retaining ring 20 is set on the outer wall of the second connecting pipe 5 near the end of the frame body 17, for example, it can be arranged at the connection between the second connecting pipe 5 and the retaining ring 20 Annular groove, so that retaining ring 20 can be set in this annular groove, when installing, the bottom surface of retaining ring 20 is in contact with protective cover 19, and the top surface of retaining ring 20 is in contact with cover body 9, so set, also played sealing and The role of protection.

Further, the air cleaning device further includes a vibrating assembly, the vibrating assembly is connected to the uppermost third connecting pipe 7 and/or the vibrating assembly is connected to the lowermost third connecting pipe 7 for driving the filter assembly to vibrate. Specifically, for example, the vibrating assembly can be arranged on the top and connected with the uppermost third connecting pipe 7; the vibrating assembly can also be arranged at the bottom and connected with the lowermost third connecting pipe 7; Both are equipped with vibrating components; the vibrating components can drive the third connecting pipe 7 connected thereto to vibrate, and then drive the frame body 17 and the first filter screen 18 to vibrate to shake off the dust. With such arrangement, the first filter net 18 can be cleaned regularly without dismantling the filter assembly, and the operation is more convenient and simple.

Further, the vibration assembly includes a driving rod 11, a first limiting ring, a second limiting ring, a first elastic element, a second elastic element and a support plate 12; the driving rod 11 is vertically arranged, and one end of the driving rod 11 is connected to the second The outer pipe walls of the three connecting pipes 7 are fixedly connected, and the other end of the driving rod 11 is provided with a first handle; the support plate 12 is horizontally arranged between the first box body 1 and the second box body 2, and the plate surface of the support plate 12 is arranged There is a second through hole, and the driving rod 11 is inserted in the second through hole; the first limiting ring is arranged on the driving rod 11, between the third connecting pipe 7 and the support plate 12; the second limiting ring is arranged on the On the driving rod 11, it is located between the supporting plate 12 and the first handle; the first elastic element is sleeved on the driving rod 11, and is located between the first limit ring and the supporting plate 12; the second elastic element is sleeved on the driving rod 11 , located between the second limiting ring and the support plate 12 . Specifically, the driving rod 11 can be rod-shaped, one end of the driving rod 11 is fixedly connected to the third connecting pipe 7, and the other end is provided with a first handle, for example, the first handle can be a pull ring; the first elastic element and the second elastic element can be It is a spring; for example, the first limit ring and the second limit ring can be circular plates, and the first limit ring and the second limit ring are respectively bonded or welded to the side wall of the drive rod 11; the support plate 12 It can be a plastic plate or a metal plate. The connection mode between the support plate 12 and the first box body 1 and the second box body 2 can be bonded or welded. The specific connection mode is selected according to the actual situation; the support plate 12 A second through hole is provided on the board surface, and the driving rod 11 is inserted into the second through hole; The bottom end of the elastic element is in conflicting connection with the support plate 12; the second elastic element is sheathed on the driving rod 11, the top end is in conflicting connection with the support plate 12, and the bottom end of the second limiting ring is in conflicting connection with the second limiting ring. When vibration is required, hold the first handle with your fingers and pull it downward. The first elastic element is compressed by force, and the second elastic element is in a natural state. When you release your finger, the first elastic element recovers its deformation. The driving rod 11 moves upwards. At this time, the second elastic element is compressed by force. The driving rod 11 moves upwards after a certain displacement and stops. The elastic force of the second elastic force makes the driving rod 11 move downwards. In such a cycle, it can be pulled many times after one pull. Vibration drives the filter components connected to it to vibrate to shake off the dust. Such setting is convenient and labor-saving.

Further, the air cleaning device also includes a cylinder 13; the cylinder 13 is arranged on the top of the first box 1 and communicates with the inside of the first box 1, and the connection between the cylinder 13 and the first box 1 is provided with a second A one-way valve, the bottom of the first box body 1 is provided with a discharge port; the cylinder 13 is provided with a third air inlet, and the third air inlet is provided with a second one-way valve; the top of the cylinder 13 is provided with a push rod One end of the push rod is slidably inserted in the top opening of the cylinder 13, and the end of the push rod inside the cylinder 13 is provided with a slider, and the end of the push rod outside the cylinder 13 is provided with a second handle. Specifically, for example, the cylinder 13 is arranged on the top of the first box body 1, and a vent pipe can be arranged between the cylinder 13 and the first case body 1 to communicate the cylinder 13 with the first case body 1, and the inside of the vent pipe can be provided The first one-way valve makes the gas only enter the inside of the first casing 1 from the cylinder 13; for example, the third air inlet can be arranged on the right side of the cylinder 13 near the bottom, and a vent pipe can also be installed to connect the third The air inlet communicates with the outside world, and a second one-way valve can be set in the vent pipe so that gas can only enter the cylinder 13 from the outside, and the gas in the cylinder 13 will not go out from the third air inlet. For example, the top of the cylinder 13 is provided with an opening for inserting the push rod, and the push rod is slidably inserted in the opening. Contact connection, when the slider moves down, the gas in the cylinder 13 is blown into the first box body 1, and when the slider moves up, the outside gas enters into the cylinder 13, so that the vibration from the first filter screen 18 can be removed The dust that falls and falls to the bottom of the first casing 1 is blown out from the discharge port. For example, the second handle can be a cross bar, and the cross bar is fixedly connected with the push rod, so that it saves more effort when pressing down or lifting the push rod.

Further, the air cleaning device also includes a fan; the fan is arranged in the second box 2 and is used to suck the air in the first box 1 into the second box 2 . Specifically, for example, the fan is arranged on the right side wall inside the second box body 2. When the fan is running, the outside air can be sucked into the first box body 1 through the first air inlet 3, and then passed through the second outlet. The air port 6 , the first connecting pipe 4 , the filter assembly, the second connecting pipe 5 and the second air inlet enter into the second box body 2 , and the purified and filtered air is finally discharged through the second air outlet 6 .

Further, the air cleaning device also includes several connecting plates 15 and several supporting legs 16; the connecting plates 15 are arranged between the first box body 1 and the second box body 2 for connecting the first box body 1 and the second box body Body 2 ; supporting legs 16 are arranged at the bottom of the first box body 1 and the second box body 2 for supporting the first box body 1 and the second box body 2 . Specifically, for example, two connecting plates 15 can be set, one is arranged between the top of the first box body 1 and the top of the second box body 2, and the other is arranged between the bottom of the first box body 1 and the second box body. 2, the connecting plate 15 and the first box body 1 and the second box body 2 can be bonded or welded, and the setting of the connecting plate 15 can improve the overall strength of the device; for example, Two supporting legs 16 may be arranged at the bottom of the first box body 1, and two supporting legs 16 may be arranged at the bottom of the second box body 2 for supporting the device.

It can be seen from the above embodiments that in the air purification device provided by the utility model, the filter screen is arranged between the second connecting pipe and the third connecting pipe through the frame, so that the frame can be easily taken out by unscrewing the cover. The filter screen installed in it is cleaned or replaced, effectively realizing the purpose of conveniently replacing or cleaning the filter screen. And when the drive rod is pulled by the first handle, the dust on the filter screen can be vibrated and dropped into the first box under the action of the spring, and then the dust falling into the first box can be sent into the collection box by the pressure generated by the cylinder, so that The purpose of removing the dust on the filter screen without removing the filter screen is effectively achieved, and the labor force and economic cost are effectively saved for the user.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in the Within the protection scope of the present utility model.

Claims (9)

1. a kind of air cleaning unit, which is characterized in that including the first cabinet, the second cabinet, filter assemblies, several first connections Pipe and several second connecting tubes；

First cabinet includes several first air inlets and several first gas outlets, and first air inlet is to be clean for making Air enter in first cabinet；

Second cabinet includes several second air inlets and several second gas outlets, and second gas outlet is for after making purification Air discharge；

The filter assemblies are detachably arranged between first connecting tube and second connecting tube；

The one end of first connecting tube far from the filter assemblies is connected with first gas outlet, and second connecting tube is remote One end from the filter assemblies is connected with second air inlet.

2. air cleaning unit according to claim 1, which is characterized in that several first gas outlets are along vertical side To, be sequentially arranged in opposite side on first cabinet with side where first air inlet from top to bottom；

Several second air inlets are arranged on second cabinet and second gas outlet along the vertical direction, from top to bottom The opposite side of place side, and second gas outlet and first gas outlet correspond；

Described in the height of first gas outlet is lower than and is connected on the same filter assemblies with first gas outlet The height of second air inlet；

The interlude of first connecting tube and the interlude of second connecting tube are provided with bellows.

3. air cleaning unit according to claim 2, which is characterized in that the filter assemblies include third connecting tube, Lid, framework and the first filter screen；

The third connecting tube is mounted between first connecting tube and second connecting tube；

The framework is removably mounted between the third connecting tube and second connecting tube, and is arranged in the framework There is counterbore, first filter screen is removably mounted in the counterbore；

First through hole is provided on the lid, the lid is set in the third connecting tube, the framework and described second Outside connecting tube, the outer tube wall of the one end of the inner wall of one end of the lid with the third connecting tube close to the framework is rotatable Connection, second connecting tube are connect close to the outer tube wall of the framework with the inner wall of the first through hole.

4. air cleaning unit according to claim 3, which is characterized in that further include protective case and retaining ring；

The protective case is set in outside the framework, and the top surface of the protective case is contacted with the end of second connecting tube, The bottom surface of the protective case is contacted with the end of the third connecting tube, for protecting the framework；

The retaining ring is wound around the outer tube wall of the one end of second connecting tube close to the framework, and the retaining ring is fastened on institute It states between protective case and the lid.

5. air cleaning unit according to claim 3, which is characterized in that further include vibration component；

The vibration component be located at top the third connecting tube connect and/or the vibration component with positioned at bottom end institute The connection of third connecting tube is stated, for driving the filter assemblies to vibrate.

6. air cleaning unit according to claim 5, which is characterized in that the vibration component includes drive rod, first Spacing collar, the second spacing collar, the first elastic element, the second elastic element and support plate；

The drive rod is vertically arranged, and one end of the drive rod is fixedly connected with the outer tube wall of the third connecting tube, described The other end of drive rod is provided with the first in command；

The support plate is horizontally set between first cabinet and second cabinet, is arranged in the plate face of the support plate There is the second through-hole, the drive rod is plugged in second through-hole far from one end of the first in command；

First spacing collar is arranged on the drive rod, positioned at the drive rod close to one end of the third connecting tube；

One end on the drive rod, positioned at the drive rod far from the third connecting tube is arranged in second spacing collar；

First elastic element is set on the drive rod, between first spacing collar and the support plate；

Second elastic element is set on the drive rod, between second spacing collar and the support plate.

7. air cleaning unit according to claim 1, which is characterized in that further include cylinder；

The top of first cabinet, and the inside of the rodless cavity room of the cylinder and first cabinet is arranged in the cylinder It is connected, the junction of the cylinder and first cabinet is provided with the first check valve, the bottom setting of first cabinet There is discharge port；

It is provided with third air inlet on the cylinder, is provided with second one-way valve at the third air inlet.

8. air cleaning unit according to claim 1, which is characterized in that further include blower；

The blower is arranged in second cabinet, for described first case intracorporal gas to be sucked second cabinet It is interior.

9. air cleaning unit according to claim 1-8, which is characterized in that if further include several connecting plates and Heavenly Stems and Earthly Branches support leg；

The connecting plate is arranged between first cabinet and second cabinet, for connect first cabinet with it is described Second cabinet；

The bottom of first cabinet and second cabinet is arranged in the supporting leg, is used to support first cabinet and institute State the second cabinet.