Air purifier with plastic filter screen

Abstract

The air purifier comprises an outer shell, an internal thread part is arranged on the inner wall of the upper end of the outer shell, three sets of plastic filter screen assemblies are connected to the internal thread part of the outer shell in a threaded mode, an air outlet is formed in the outer wall of the lower portion of the back face of the outer shell, and an air inlet is formed in the outer wall of the upper portion of the back face of the outer shell. A sealing upper cover is detachably connected to the outer wall of the top end of the outer shell through a fixing bolt, an upper handle is fixedly installed in the center of the upper surface of the sealing upper cover, a lower base is fixedly installed at the bottom end of the outer shell, and a circle of rubber ring adheres to the lower surface of the bottom end of the lower base through glue. According to the purifier, automatic filter screen replacement and maintenance work can be conveniently carried out, assistance of professionals is not needed during filter screen replacement, a user can autonomously open and replace the filter screen structure, the actual use effect of automatic maintenance and replacement is achieved, and the purifier is more convenient and faster to maintain.

Description

TECHNICAL FIELD

[0001] The utility model relates to air purifier technical field, specifically is an air purifier with plastic filter screen. BACKGROUND

[0002] Air purifier is also called "air cleaner", air freshener, purifier, refers to the product that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde and other decoration pollution, bacteria, allergen etc.), effectively improve air cleanliness, mainly divided into household, commercial, industrial, building;

[0003] Air purifier is applied in household, medical, industrial fields, and single machine type household air purifier is the mainstream product of market in household field.The most important function is to remove particulate matter in air, including allergen, indoor PM2.5 etc., and can also solve the volatile organic compound air pollution problem in indoor, underground space, vehicle caused by decoration or other reasons;

[0004] The existing household air purifier can store a large amount of dust on the plastic filter screen after long time use, at this time, the plastic filter screen needs to be replaced, and the filter screen needs to seek the help of professional personnel when being replaced, which is inconvenient for independent replacement, has the use of independent maintenance and replacement inconvenience, reduces the independent maintenance and repair effect, therefore, the utility model provides a kind of air purifier with plastic filter screen that can be conveniently replaced and has low cost. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an air purifier with plastic filter screen to solve the problems in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: an air purifier with plastic filter screen, comprising a shell body, an inner thread part is arranged on the inner wall of the upper end of the shell body, three groups of plastic filter screen assemblies are threadedly connected to the inner thread part of the shell body, an air outlet is arranged on the outer wall of the lower back of the shell body, an air inlet is arranged on the outer wall of the upper back of the shell body, a sealing upper cover is detachably connected to the outer wall of the top end of the shell body through fixing bolts, an upper handle is fixedly installed on the center position of the upper surface of the sealing upper cover, a lower base is fixedly installed at the bottom end of the shell body, and a rubber ring is adhered to the lower surface of the bottom end of the lower base through glue.

[0007] Preferably, a control panel is arranged on the front part of the shell body, and the control panel is composed of a display screen and physical buttons.

[0008] Preferably, the plastic filter screen assembly comprises a plastic outer frame, and the plastic outer frame is externally provided with an external thread part matched with the internal thread part.

[0009] Preferably, the inner circle of the plastic outer frame is fixedly provided with an inner filter screen, and the upper and lower ends of the inner circle of the plastic outer frame are fixedly provided with cross support frames.

[0010] Preferably, the hole mesh numbers of the three groups of inner filter screens gradually increase from top to bottom.

[0011] Preferably, the shell and the plastic filter screen assembly are both circular in structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The hole sizes of the three groups of inner filter screens gradually decrease from top to bottom. In actual use, the top large-aperture inner filter screen is a coarse filter screen, the middle medium-aperture inner filter screen is a medium filter screen, and the bottom small-aperture inner filter screen is a fine filter screen. The three groups of filter screens can complete three-layer filtering of air, and have a layered air filtering effect. The plastic filter screen structure of the utility model is made of plastic material, which can effectively reduce the use cost of the filter screen and has a low-cost use effect in replacement and maintenance.

[0014] Meanwhile, the external thread part can be threadedly connected with the internal thread part of the shell. The plastic filter screen assembly can be installed in the shell by thread rotation, and can be disassembled by rotation, has a quick installation and disassembly effect, and can facilitate self-maintenance and replacement of the filter screen. The user can independently open and replace the filter screen structure, has an independent maintenance and replacement effect, and the purifier is more convenient and convenient to maintain, effectively improves the independent maintenance and repair effect, and is more practical. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a front perspective view of a purifier according to an embodiment of the utility model;

[0016] Figure 2 FIG. 2 is a back perspective view of the purifier according to the embodiment of the utility model;

[0017] Figure 3 FIG. 3 is a bottom view of the purifier according to the embodiment of the utility model;

[0018] Figure 4 FIG. 4 is a sectional view of the purifier according to the embodiment of the utility model;

[0019] Figure 5 The utility model discloses a purifier plastic filter screen subassembly structure schematic diagram.

[0020] In the drawing: 1, outer shell body, 2, internal thread part, 3, plastic filter screen subassembly, 301, plastic outer frame, 302, external thread part, 303, internal filter screen, 304, cross support frame, 4, air outlet, 5, air inlet, 6, lower base, 7, rubber ring, 8, sealing upper cover, 9, upper handle, 10, control panel. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the utility model.

[0022] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms "upper", "lower", "internal", "external", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as the limitation of the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For the person skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: an air purifier with plastic filter screen, including outer shell body 1, specifically referring to the description attached Figure 4 The internal thread part 2 is arranged on the inner wall of the upper end of the outer shell body 1, and three groups of plastic filter screen subassemblies 3 are threadedly connected to the internal thread part 2 of the outer shell body 1, and in order to facilitate the rotating thread screwing and dismounting work of the plastic filter screen subassembly 3, the outer shell body 1 and the plastic filter screen subassembly 3 adopt circular structure design.

[0025] Further, the plastic filter screen assembly 3 comprises a plastic outer frame 301, and an outer threaded portion 302 is arranged outside the plastic outer frame 301 and matched with the inner threaded portion 2. Through the outer threaded portion 302, the plastic filter screen assembly 3 can be connected with the inner threaded portion 2 in a threaded manner. In this way, the plastic filter screen assembly 3 can be installed in the outer shell 1 through threaded rotation, and the plastic filter screen assembly 3 can also be disassembled through rotation. Therefore, the plastic filter screen assembly 3 has the advantages of quick installation and disassembly, and can facilitate independent filter screen replacement and maintenance.

[0026] The inner filter screen 303 is fixedly installed on the inner ring of the plastic outer frame 301, and the inner filter screen 303 is used for filtering impurities and dust in the air. The cross support frame 304 is fixedly installed on the upper and lower ends of the inner ring of the plastic outer frame 301. The cross support frame 304 can improve the support strength of the plastic outer frame 301.

[0027] Further, the hole size of the three groups of inner filter screens 303 gradually increases from top to bottom. That is, the hole size of the three groups of inner filter screens 303 gradually decreases from top to bottom. In actual use, the top large-aperture inner filter screen 303 is a coarse filter screen, the middle medium-aperture inner filter screen 303 is a medium filter screen, and the bottom small-aperture inner filter screen is a fine filter screen. Through the cooperation of the three groups of filter screens, three-layer air purification can be achieved, and the air filter effect is layered. The plastic filter screen structure of the utility model is made of plastic material, which can effectively reduce the use cost of the filter screen and has the advantages of low cost in replacement and maintenance.

[0028] The outer shell 1 is provided with an air outlet 4 on the lower outer wall at the back, and an air inlet 5 on the upper outer wall at the back. A certain height cavity is arranged between the inner portion of the outer shell 1 and the plastic filter screen assembly 3, and a fan for air suction and air outlet can be installed in the cavity. In this way, the normal air conversion of the utility model can be ensured, so that external air can enter from the air inlet 5, pass through the filtration of the three groups of plastic filter screen assemblies 3, and then be discharged from the air outlet 4.

[0029] The sealing upper cover 8 is detachably connected to the outer shell 1 through a fixed bolt on the top outer wall of the outer shell 1. The upper handle 9 is fixedly installed on the upper surface of the sealing upper cover 8. Through the sealing upper cover 8, the outer shell 1 can be detachably connected through a bolt. In this way, the inner portion of the outer shell 1 can be opened through the bolt removal, so that the plastic filter screen assembly 3 in the inner portion can be quickly replaced and maintained. In actual use, the utility model has the advantages of quick opening, and the user can independently open and replace the filter screen structure without the help of professional personnel. The utility model has the advantages of independent maintenance and replacement, and the maintenance of the purifier is more convenient. The independent maintenance and repair effect is effectively improved, and the utility model has better practicality.

[0030] And the upper handle 9 can be conveniently carried by the air purifier of the utility model, and the air purifier has good portability.

[0031] The lower end of the lower base 6 is adhered with a circle of rubber ring 7 through glue, and the rubber ring 7 can improve the contact effect with the ground when the utility model is used on the ground, has the use characteristics of flexible contact, avoids hard contact with the ground, and improves the protection effect of the lower base 6.

[0032] In the embodiment, the control panel 10 is arranged on the front surface of the shell body 1, and the control panel 10 is composed of a display screen and physical buttons, so that the air purifier can be conveniently operated and set through the control panel 10, and the specific functions of the purifier can be selected according to actual use requirements during processing.

[0033] Working principle: the utility model discloses a certain height cavity between the shell body 1 and the plastic filter screen assembly 3, and the cavity is used for installing a fan (not shown in the figure) for air intake and air outlet, so that the utility model can work normally, so that external air can enter from the air inlet 5, and be discharged from the air outlet 4 after being filtered by the three plastic filter screen assemblies 3, so that the utility model can work normally.

[0034] The hole size of the three sets of inner filter screens 303 gradually decreases from the upper right to the lower left, and in actual use, the large-aperture inner filter screen 303 at the top is a coarse filter screen, the medium-aperture inner filter screen 303 in the middle is a medium-efficiency filter screen, and the small-aperture filter screen at the bottom is a fine filter screen, so that three-layer air purification work can be completed through the cooperation of the three sets of filter screens, and the utility model has a layered air filtration effect.

[0035] Meanwhile, the external thread part 302 can be connected with the internal thread part 2 of the shell body 1 through thread cooperation, so that the plastic filter screen assembly 3 can be installed in the shell body 1 through thread rotation, and the plastic filter screen assembly 3 can also be disassembled through rotation, so that the filter screen can be conveniently replaced and maintained, the user can independently open and replace the filter screen structure, the purifier maintenance work is more convenient and convenient, the independent maintenance and repair effect is effectively improved, and the utility is better.

[0036] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than by the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An air cleaner having a plastic filter screen, comprising an outer housing (1), characterized in that, The inner wall of the upper end of the outer shell (1) is provided with an internal thread part (2), and three groups of plastic filter screen assemblies (3) are threadedly connected to the internal thread part (2) of the outer shell (1); the lower outer wall of the back of the outer shell (1) is provided with an air outlet (4); the upper outer wall of the back of the outer shell (1) is provided with an air inlet (5); the top outer wall of the outer shell (1) is detachably connected with a sealing upper cover (8) through fixing bolts; the upper surface of the sealing upper cover (8) is fixedly installed with an upper handle (9) at the center position; the bottom end of the outer shell (1) is fixedly installed with a lower base (6); and the bottom end of the lower base (6) is adhered with a circle of rubber rings (7) through glue.

2. The air cleaner having a plastic filter screen according to claim 1, wherein: The front surface of the outer shell (1) is externally provided with a control panel (10) which is composed of a display screen and physical buttons.

3. The air cleaner having a plastic filter screen according to claim 1, wherein: The plastic filter screen assembly (3) comprises a plastic outer frame (301), and the outer frame (301) is externally provided with an external thread part (302) matched with the internal thread part (2).

4. The air cleaner having a plastic filter screen according to claim 3, wherein: The inner circle of the plastic outer frame (301) is fixedly installed with an inner filter screen (303), and the upper and lower ends of the inner circle of the plastic outer frame (301) are fixedly installed with cross support frames (304).

5. The air cleaner having a plastic filter screen according to claim 4, wherein: The hole numbers of the three groups of inner filter screens (303) gradually increase from top to bottom.

6. The air cleaner having a plastic filter screen according to claim 1, wherein: The outer shell (1) and the plastic filter screen assembly (3) are both designed in a circular structure.

Images