Tower type air purifier

Abstract

The utility model relates to the technical field of air purification, in particular to a tower type air purifier which comprises an outer shell, an inner shell is sleeved in the outer shell, and the inner shell comprises an upper shell and a lower shell. A plurality of air inlet holes are circumferentially formed in the upper portion of the side wall of the outer shell, a first air inlet channel is formed between the outer wall of the upper shell and the inner wall of the outer shell, and an air outlet channel is formed in the upper shell. A power device is arranged in the lower shell, a second air inlet channel is formed between the inner wall of the lower shell and the outer wall of the power device, and an inner cavity is formed in the power device. The air inlet hole, the first air inlet channel, the second air inlet channel, an inner cavity of the power device and the air outlet channel are sequentially communicated to form an air channel with a W-shaped section. A plurality of air inlet holes are formed in the upper part of the side wall of the outer shell in the circumferential direction, so that air can enter better and cannot be influenced by the ground during air inlet, air circulation is facilitated, and the purification efficiency cannot be influenced; the power device is arranged in the lower shell, the gravity center of the whole machine can be lowered, the risk that a user touches and pushes the machine by mistake in the using process is reduced, and damage to the machine after the machine is knocked down is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air purification, in particular to a tower-type air purifier. Background Art

[0002] As the social and economic level continues to improve, people's requirements for quality of life are increasing, and they are paying more and more attention to their own living environment. Air purifiers are becoming more and more popular. At present, the existing tower air purifier structure on the market, such as the Chinese utility model patent with authorization announcement number CN210801427U, discloses a tower air purifier. The prior art filter system is placed under the fan system, and the fan blows upward to drive the air through the filter. Its specific structure is: a base, which is provided with an air inlet surrounding the base in the circumferential direction; an air outlet panel, which is provided with an air outlet, and the air outlet panel is located at the top of the air purifier; a filter unit, which is arranged between the base and the air outlet panel; and a fan unit, which is arranged on the filter unit to suck air into the filter unit through the air inlet, and discharge the air through the air outlet after passing through the filter unit. The pain point of this structure of the prior art is that the air inlet is close to the ground, and the air intake airflow is easily affected by the ground, which is not conducive to air circulation and affects the purification efficiency. In addition, the filter unit is placed at the bottom and the fan unit is placed at the top, and the center of gravity of the whole machine is unstable. Users are at risk of accidentally touching or pushing the machine during use, causing damage to the machine after it is knocked over.

[0003] Therefore, there is still room for improvement and development in the existing technology. Summary of the invention

[0004] In view of the problems in the prior art, the utility model provides a tower-type air purifier, wherein a plurality of air inlet holes are circumferentially arranged on the upper part of the side wall of the outer shell, so that air can enter better and will not be affected by the ground when intake, which is beneficial to air circulation and will not affect the purification efficiency; the power device is arranged in the lower shell, which can lower the center of gravity of the whole machine, reduce the risk of users accidentally bumping or pushing it during use, and reduce the damage to the machine after knocking it over; it should be noted that the air inlet holes, air inlet duct one, air inlet duct two, the inner cavity of the power device and the air outlet duct are connected in sequence to form an air duct with a W-shaped cross-section, which can effectively lengthen the air duct stroke and reduce the noise of the air purifier. More specifically, the air duct with a W-shaped cross-section can effectively reduce resonance compared with the air duct design with a horizontal cross-section, and is a new and important means of reducing noise.

[0005] In order to achieve the above purpose, the technical solution applied by the utility model is as follows:

[0006] A tower-type air purifier comprises an outer shell, an inner shell is sleeved in the outer shell, and the inner shell comprises an upper shell and a lower shell; a plurality of air inlet holes are circumferentially arranged on the upper part of the side wall of the outer shell, an air inlet duct 1 is formed between the outer wall of the upper shell and the inner wall of the outer shell, and an air outlet duct is formed in the upper shell; a power device is arranged in the lower shell, an air inlet duct 2 is formed between the inner wall of the lower shell and the outer wall of the power device, and an inner cavity is formed in the power device; the air inlet holes, the air inlet duct 1, the air inlet duct 2, the inner cavity of the power device and the air outlet duct are connected in sequence to form an air duct with a W-shaped cross-section. The utility model is arranged in such a way that a plurality of air inlet holes are provided in the circumferential direction of the upper side wall of the outer shell, so that air can enter better and will not be affected by the ground when inhaling air, which is beneficial to air circulation and will not affect the purification efficiency; the power device is arranged in the lower shell, which can lower the center of gravity of the whole machine, reduce the risk of users accidentally bumping or pushing it during use, and reduce the damage to the machine after knocking it over; it should be noted that the air inlet holes, air inlet duct one, air inlet duct two, the inner cavity of the power device and the air outlet duct are connected in sequence to form an air duct with a W-shaped cross-section, which can effectively lengthen the air duct stroke and reduce the noise of the air purifier. More specifically, the air duct with a W-shaped cross-section can effectively reduce resonance compared with the air duct design with a horizontal cross-section, and is a new and important means of reducing noise; the air duct principle: when the power device is working, the air in the circumferential direction of the upper side wall of the outer shell is sucked in through the air inlet holes, and the gas circulates through the air inlet duct one, the air inlet duct two, the inner cavity of the power device and the air outlet duct in sequence, and then is blown out from the top of the outer shell.

[0007] According to the above scheme, the power device includes an upper cover, a lower cover and a wind wheel assembly. The upper cover and the lower cover are fixedly connected and form an inner cavity. The wind wheel assembly is fixed in the inner cavity. The lower cover is provided with an air inlet connected to the outlet of the second air inlet duct, and the upper cover is provided with an air outlet connected to the inlet of the air outlet duct. In this way, by arranging the wind wheel assembly inside the lower shell, when the wind wheel assembly is working, air is sucked from the upper part of the outer shell to the air inlet duct one. At this time, the air enters the air inlet duct two downwardly. Under the action of the inner cavity of the power device, the air flowing downward is guided upward again, and finally blown out from the top of the outer shell through the air outlet duct.

[0008] According to the above scheme, the wind wheel assembly includes a fan and a wind wheel arranged in an upper and lower position, the output end of the fan is fixedly connected to the wind wheel, and the wind wheel is arranged corresponding to the air inlet on the lower cover. In this arrangement, when working, the fan drives the wind wheel to rotate at a high speed, so that the air pressure in the air duct inside the outer shell is lower than the atmospheric pressure outside the outer shell, forcing the air around the air inlet hole to be sucked in and filtered through the filter unit, and the filtered air is discharged through the air inlet duct 1, the air inlet duct 2, the inner cavity of the power device and the air outlet duct in sequence. The purified air is discharged.

[0009] According to the above solution, the fan is fixed to the motor cover through the motor bracket, the motor cover is fixed in the inner cavity formed by the upper cover and the lower cover, and a plurality of shockproof rubber pads are arranged between the fan and the motor bracket. This arrangement is convenient for assembly, and the vibration noise generated by the fan during operation can be reduced by the plurality of shockproof rubber pads.

[0010] According to the above solution, a filter unit is provided in the upper part of the side wall of the outer shell, and the filter unit is arranged corresponding to the air inlet hole. In this way, the air entering through the air inlet hole can be filtered by the filter unit.

[0011] According to the above scheme, a positioning groove for installing the filter unit is provided in the upper part of the side wall of the outer shell, and the filter unit can be detachably installed in the positioning groove, and the upper and lower ends of the filter unit are covered with sealing sponges. This arrangement is convenient for assembly, and after assembly, the upper and lower ends of the filter unit are sealed by the sealing sponge, so that the air inhaled through the air inlet can only enter the air inlet duct one through the filter unit, and the filtering effect is more sufficient, preventing air from entering the air inlet duct one without being filtered.

[0012] According to the above scheme, the outer shell includes a top cover, an outer shell and a base, the lower end of the outer shell is fixedly connected to the base, the top cover is detachably mounted on the upper end of the outer shell, the sealing sponge at the upper end of the filter unit abuts against the top cover, and a control electronic board is arranged on the base. In this way, when disassembling the filter unit, the top cover is opened or removed from the upper end of the outer shell, and the filter unit can be pulled out upwards, which is convenient for loading and unloading.

[0013] According to the above solution, the housing is provided with a control knob and a display panel. The utility model is arranged in this way, and its operation is convenient.

[0014] According to the above solution, the top cover is provided with an air outlet grille corresponding to the outlet of the air outlet duct, so as to prevent larger objects (such as cardboard, toys, etc.) from entering the air outlet duct and affecting the air outlet effect.

[0015] According to the above scheme, the filter unit includes a filter screen in a circular tube structure. This arrangement allows the filter unit to fully correspond to the air inlet holes arranged circumferentially on the upper part of the side wall of the outer shell, resulting in a more effective filtering effect, and other structures (such as an upper shell) can be arranged in the middle of the filter screen to improve the space utilization of the filter screen.

[0016] Beneficial effects of the utility model:

[0017] The utility model is configured such that a plurality of air inlet holes are provided on the circumference of the upper side wall of the outer shell, so that air can enter better and will not be affected by the ground when intake, which is beneficial to air circulation and will not affect the purification efficiency; the power device is arranged in the lower shell, which can lower the center of gravity of the whole machine, reduce the risk of users accidentally bumping or pushing it during use, and reduce the damage to the machine after knocking it over; it should be noted that the air inlet holes, air inlet duct one, air inlet duct two, the inner cavity of the power device and the air outlet duct are connected in sequence to form an air duct with a W-shaped cross-section, which can effectively lengthen the air duct stroke and reduce the noise of the air purifier. More specifically, the air duct with a W-shaped cross-section can effectively reduce resonance compared to the air duct design with a horizontal cross-section, and is a new and important means of reducing noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the entire structure of the utility model;

[0020] Figure 3 This is an exploded schematic diagram of the entire structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the utility model air duct;

[0022] Figure 5 This is a schematic diagram of the air duct work of the utility model;

[0023] Figure 6 It is a schematic diagram of assembly and disassembly of the filter unit of the utility model.

[0024] In the figure:

[0025] 1. Top cover; 2. Shell; 20. Control knob; 21. Air inlet; 22. Filter unit; 23. Upper cover; 24. Air inlet 1; 25. Lower cover; 26. Lower shell; 27. Air inlet 2; 28. Air outlet; 29. ​​Display panel; 3. Base; 4. Power unit; 41. Fan; 42. Motor bracket; 43. Motor cover; 44. Shockproof rubber pad; 45. Wind wheel; 5. Control electronic board; 6. Sealing sponge; 7. Air inlet; 8. Air outlet; 9. Air outlet grille; 10. Upper shell. DETAILED DESCRIPTION

[0026] The technical solution of the utility model is described below in conjunction with the accompanying drawings and embodiments.

[0027] like Figures 1 to 6As shown, a tower-type air purifier described in the utility model comprises an outer shell, an inner shell is sleeved in the outer shell, and the inner shell comprises an upper shell 10 and a lower shell 26; a plurality of air inlet holes 21 are circumferentially arranged on the upper part of the side wall of the outer shell, an air inlet 24 is formed between the outer wall of the upper shell 10 and the inner wall of the outer shell, and an air outlet 28 is formed in the upper shell 10; a power device 4 is arranged in the lower shell 26, an air inlet 27 is formed between the inner wall of the lower shell 26 and the outer wall of the power device 4, and an inner cavity is formed in the power device 4; the air inlet holes 21, the air inlet 24, the air inlet 27, the inner cavity of the power device 4 and the air outlet 28 are connected in sequence to form an air duct with a W-shaped cross-section. The utility model is arranged in this way, a plurality of air inlet holes 21 are arranged in the circumferential direction of the upper side wall of the outer shell, so that air can enter better and will not be affected by the ground when inletting air, which is beneficial to air circulation and will not affect the purification efficiency; the power device 4 is arranged in the lower shell 26, which can lower the center of gravity of the whole machine, reduce the risk of accidental contact and pushing by the user during use, and reduce the damage to the machine after being knocked over; it should be noted that the air inlet holes 21, the air inlet duct 1 24, the air inlet duct 27, the inner cavity of the power device 4 and the air outlet duct 28 are connected in sequence to form an air duct with a W-shaped cross section, which can effectively lengthen the air duct stroke and reduce the noise of the air purifier. More specifically, the air duct with a W-shaped cross section can effectively reduce resonance compared with the air duct design with a horizontal cross section, and is a new important means to reduce noise; its air duct principle: when the power device 4 is working, the air in the circumferential direction of the upper side wall of the outer shell is sucked in through the air inlet holes 21, and the gas is blown out from the top of the outer shell after circulating through the air inlet duct 1 24, the air inlet duct 27, the inner cavity of the power device 4 and the air outlet duct 28 in sequence.

[0028] In this embodiment, the power device 4 includes an upper cover 23, a lower cover 25 and a wind wheel assembly. The upper cover 23 and the lower cover 25 are fixedly connected and form an inner cavity. The wind wheel assembly is fixed in the inner cavity. The lower cover 25 is provided with an air inlet 7 connected to the outlet of the second air inlet duct 27, and the upper cover 23 is provided with an air outlet 8 connected to the inlet of the air outlet duct 28. The utility model is arranged in this way, by arranging the wind wheel assembly inside the lower shell 26, when the wind wheel assembly is working, air is sucked from the upper part of the outer shell to the air inlet duct 1 24, and at this time, the air enters the second air inlet duct 27 downwardly, and under the action of the inner cavity of the power device 4, the air flowing downward is guided upward again, and finally blown out from the top of the outer shell through the air outlet duct 28.

[0029] In this embodiment, the wind wheel assembly includes a fan 41 and a wind wheel 45 arranged in an upper and lower manner, the output end of the fan 41 is fixedly connected to the wind wheel 45, and the wind wheel 45 is arranged corresponding to the air inlet 8 on the lower cover 25. The utility model is arranged in this way, when working, the fan 41 drives the wind wheel 45 to rotate at a high speed, so that the air pressure in the air duct inside the outer shell is lower than the atmospheric pressure outside the outer shell, forcing the air around the air inlet 21 to be sucked in and filtered through the filter unit 22, and the filtered air passes through the air inlet 24, the air inlet 27, the inner cavity of the power device 4 and the air outlet 28 in sequence to discharge the purified air.

[0030] In this embodiment, the fan 41 is fixed to the motor cover 43 through the motor bracket 42, the motor cover 43 is fixed in the inner cavity formed by the upper cover 23 and the lower cover 25, and a plurality of shockproof rubber pads 44 are arranged between the fan 41 and the motor bracket 42. The utility model is arranged in this way, and its assembly is convenient, and the vibration noise generated by the fan 41 during operation can be reduced by the plurality of shockproof rubber pads 44.

[0031] In this embodiment, a filter unit 22 is disposed in the upper portion of the side wall of the outer shell, and the filter unit 22 is disposed corresponding to the air inlet 21. In this way, the filter unit 22 can filter the air entering through the air inlet 21.

[0032] In this embodiment, a positioning groove for installing the filter unit 22 is provided in the upper part of the side wall of the outer shell, and the filter unit 22 is detachably installed in the positioning groove, and the upper and lower ends of the filter unit 22 are covered with sealing sponges 6. The utility model is arranged in this way, and its assembly is convenient, and after assembly, the upper and lower ends of the filter unit 22 are sealed by the sealing sponge 6, so that the air inhaled through the air inlet 21 can only enter the air inlet duct 1 24 through the filter unit 22, and the filtering effect is more sufficient, preventing the air from entering the air inlet duct 1 24 without being filtered.

[0033] In this embodiment, the outer shell includes a top cover 1, an outer shell 2 and a base 3, the lower end of the outer shell 2 is fixedly connected to the base 3, the top cover 1 is detachably mounted on the upper end of the outer shell 2, the sealing sponge 6 at the upper end of the filter unit 22 abuts against the top cover 1, and a control electronic board 5 is provided on the base 3. The utility model is arranged in this way, when disassembling the filter unit 22, the top cover 1 is opened or removed from the upper end of the outer shell 2, and the filter unit 22 can be pulled out upwards, which is convenient for loading and unloading.

[0034] In this embodiment, the housing 2 is provided with a control knob 20 and a display panel 29. The utility model is arranged in this way, and its operation is convenient.

[0035] In this embodiment, the top cover 1 is provided with an air outlet grille 9 corresponding to the outlet of the air outlet 28. The utility model is arranged in this way to prevent larger objects (such as cardboard, toys, etc.) from entering the air outlet 28 and affecting the air outlet effect.

[0036] In this embodiment, the filter unit 22 includes a filter screen in a circular tube structure. The utility model is arranged in this way so that the filter unit 22 fully corresponds to the air inlet hole 21 arranged circumferentially on the upper part of the side wall of the outer shell, the filtering effect is more sufficient, and other structures (such as the upper shell 10) can be arranged in the middle of the filter screen to improve the space utilization of the filter screen.

[0037] The embodiments of the present invention are described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present invention, ordinary technicians in this field can also make many forms without departing from the scope of protection of the present invention and the claims, all of which belong to the protection scope of the present invention.

Claims

1. A tower air purifier, comprising an outer shell, characterized in that: The outer shell is sleeved with an inner shell, the inner shell includes an upper shell and a lower shell; The upper part of the side wall of the outer shell is provided with a plurality of air inlet holes in the circumferential direction, an air inlet duct is formed between the outer wall of the upper shell and the inner wall of the outer shell, and an air outlet duct is formed in the upper shell; The lower shell is provided with a power device, an air inlet duct 2 is formed between the inner wall of the lower shell and the outer wall of the power device, and an inner cavity is formed in the power device; The air inlet, the first air inlet, the second air inlet, the inner cavity of the power device and the air outlet are connected in sequence to form an air duct with a W-shaped cross section.

2. A tower air purifier according to claim 1, characterized in that: The power device includes an upper cover, a lower cover and a wind wheel assembly. The upper cover and the lower cover are fixedly connected and form an inner cavity. The wind wheel assembly is fixed in the inner cavity. The lower cover is provided with an air inlet connected to the second outlet of the air inlet duct, and the upper cover is provided with an air outlet connected to the inlet of the air outlet duct.

3. A tower air purifier according to claim 2, characterized in that: The wind wheel assembly comprises a fan and a wind wheel which are arranged up and down, the output end of the fan is fixedly connected to the wind wheel, and the wind wheel is arranged corresponding to the air inlet on the lower cover.

4. A tower air purifier according to claim 3, characterized in that: The fan is fixed on the motor cover through a motor bracket, the motor cover is fixed in an inner cavity formed by the upper cover and the lower cover, and a plurality of shockproof rubber pads are arranged between the fan and the motor bracket.

5. A tower type air purifier according to claim 1, characterized in that: A filter unit is arranged in the upper part of the side wall of the outer shell, and the filter unit is arranged corresponding to the air inlet hole.

6. A tower air purifier according to claim 5, characterized in that: A positioning groove for installing the filter unit is arranged in the upper part of the side wall of the outer shell. The filter unit is detachably installed in the positioning groove. The upper and lower ends of the filter unit are both covered with sealing sponges.

7. A tower air purifier according to claim 6, characterized in that: The outer shell comprises a top cover, an outer shell and a base. The lower end of the outer shell is fixedly connected to the base. The top cover is detachably mounted on the upper end of the outer shell. The sealing sponge at the upper end of the filter unit abuts against the top cover. A control electronic board is arranged on the base.

8. A tower air purifier according to claim 7, characterized in that: The housing is provided with a control knob and a display panel.

9. A tower air purifier according to claim 7, characterized in that: The top cover is provided with an air outlet grille corresponding to the outlet of the air outlet duct.

10. A tower type air purifier according to claim 5, characterized in that: The filter unit comprises a filter screen in a circular tube structure.

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