Sealing structure for filter element of air purifier

The air purifier filter structure with its multi-seal design solves the problems of pollutants passing through unfiltered filters and causing secondary pollution, resulting in higher purification efficiency and extended filter life.

CN223716648UActive Publication Date: 2025-12-26NINGBO MINGXING ELECTRICAL TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520232560.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-12-26
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

An unsealed air purifier filter allows pollutants to pass directly through the filter without being filtered, reducing purification efficiency and potentially causing pollutants to bypass the filter and enter the purified air, resulting in secondary pollution.

Method used

Employing a multi-seal design, including rubber collars and sealing components, the filter ensures that air is purified as it passes through the filter element through a sliding fit and locking structure, reducing the chance of contaminants entering the filter element and extending its service life.

Benefits of technology

It effectively reduces the direct contact of pollutants with the filter element, improves purification efficiency, prevents secondary pollution, extends the service life of the filter element, and keeps the filter material clean and efficient.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223716648U_ABST
    Figure CN223716648U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of air purifier filter elements, and discloses a sealing structure for an air purifier filter element, which comprises a mounting shell and a filter element main body, the filter element main body is mounted in the mounting shell, a placing cavity is arranged in the mounting shell, the filter element main body is mounted in the placing cavity, and the filter element main body is arranged in the placing cavity. A sealing assembly is arranged between the filter element body and the mounting shell, the lantern ring is arranged to be a rubber ring, the rubber lantern ring is in sliding fit with the containing cavity, stage type sealing can be achieved during sliding, the stage type sealing can effectively reduce direct contact of pollutants with the filter element, the pollution degree of the filter element is reduced, and the service life of the filter element is prolonged; the problems that an unsealed filter element can cause pollutants in air to directly pass through the filter element without being filtered, so that the purification efficiency is reduced, and the pollutants can also directly enter the purified air around the filter element, so that secondary pollution is caused are solved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to air purifier filter element technical field, specifically for a kind of sealing structure for air purifier filter element. BACKGROUND

[0002] Air purifier filter element is the core component of air purifier, mainly responsible for filtering pollutants in air, such as dust, pollen, smoke, bacteria and viruses, to provide clean and healthy indoor air. Air purifier filter element is usually composed of multiple layers of filter material, including pre-filter screen, HEPA filter screen, activated carbon filter screen, etc. The pre-filter screen is mainly to filter large particles, such as hair, pet hair, etc., to protect the subsequent filter screen from being blocked. HEPA filter screen is a high-efficiency air filter that can capture particles as small as 0.3 microns, such as dust, pollen, smoke, etc., with a filtration efficiency of up to 99.97%. The activated carbon filter screen is mainly used to adsorb odors, harmful gases and volatile organic compounds, etc. The service life of air purifier filter element depends on the use environment and frequency, and it needs to be replaced regularly to ensure the purification effect. Some high-end air purifiers are also equipped with intelligent sensors and automatic adjustment functions, which can monitor indoor air quality in real time and automatically adjust the working mode of the purifier according to the needs, providing a more intelligent air purification solution. In short, air purifier filter element is the key component of air purifier, which effectively removes pollutants in the air through multi-layer filtration technology, creating a healthy and fresh living environment for us. At the same time, regular replacement of filter element is also an important measure to ensure the effect of purifier.

[0003] Currently, unsealed filter element can cause pollutants in the air to pass through the filter element without being filtered, reducing the purification efficiency, and pollutants may bypass the filter element and directly enter the purified air, causing secondary pollution; therefore, it does not meet the existing needs, and for this purpose, a sealing structure for air purifier filter element is proposed. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of sealing structure for air purifier filter element, with multiple sealing design effectively reduces the opportunity of pollutant into filter element inside, reduce the burden of filter element, prolong its service life. Good sealing, prevent unfiltered air from directly contacting filter material, maintain the beneficial effects of filter material's cleanliness and efficiency, solve the problem that unsealed filter element can cause pollutants in the air to pass through the filter element without being filtered, reducing the purification efficiency, and pollutants may bypass the filter element and directly enter the purified air, causing secondary pollution mentioned in the above background technology.

[0005] The utility model provides following technical scheme: a kind of sealing structure for air purifier filter element, including installation shell and filter element main body, the filter element main body is installed in the inside of the installation shell, the inside of the installation shell is provided with placing cavity, the filter element main body is installed in the inside of the placing cavity, sealing assembly is provided between the filter element main body with the installation shell.

[0006] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the filter element main body end is connected with engaging disc, the filter element bottom is connected with limit head.

[0007] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the inside of the placing cavity is provided with limit slot, the limit head and the limit slot sliding engagement.

[0008] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the inside of the installation shell is provided with flow cavity, the inner wall of the placing cavity is provided with notch, the flow cavity and the notch are communicated and are provided.

[0009] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the sealing assembly includes rubber ball and moving block, the rubber ball is communicated and is provided in the end of the notch, the moving block is provided in the inside of the rubber ball.

[0010] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the moving block side is connected with fixed rod, the fixed rod end is connected with piston disc.

[0011] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the piston disc and the flow cavity sliding fit, the filter element main body side is provided with sleeve ring, the sleeve ring is provided as rubber ring, the rubber ring and the placing cavity sliding engagement.

[0012] As a kind of sealing structure for air purifier filter element described in the utility model optional scheme, wherein: the limit head side is provided with engaging slot, the inner wall of the placing cavity is provided with through slot, the through slot end is connected with engaging ball, the engaging ball and the engaging slot sliding engagement.

[0013] The utility model has the following beneficial effects:

[0014] 1. The sealing structure for the air purifier filter element, through the setting of the sleeve ring, the sleeve ring is set as a rubber ring, the rubber sleeve ring is in sliding fit with the placement cavity, and stage sealing can be achieved during sliding, which can effectively reduce the direct contact of pollutants with the filter element, reduce the pollution degree of the filter element, prolong the service life, solve the problem that the unsealed filter element causes the pollutants in the air to directly pass through the filter element without being filtered, reduce the purification efficiency, and the pollutants can bypass the filter element and directly enter the purified air, causing secondary pollution.

[0015] 2. The sealing structure for the air purifier filter element, through the setting of the sealing assembly, the rubber ball is matched with the clamping ball, when the filter element body is sliding, the clamping ball is extruded, the clamping ball is extruded, the moving block in the interior drives the fixed rod and the piston disc at the end of the fixed rod, the gas in the flow cavity is pressed towards the clamping ball, the clamping ball is clamped with the clamping groove, the extrusion of the clamping ball makes the sealing assembly more closely fitted, further improves the sealing performance, ensures that the air must pass through the filter element for purification, and improves the purification efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic view of the three-dimensional structure of the utility model.

[0017] Figure 2 It is a schematic view of the filter element body structure of the utility model.

[0018] Figure 3 It is a schematic view of the sectional structure of the utility model.

[0019] Figure 4 It is a schematic view of the A place of the utility model Figure 3 enlarged structure.

[0020] In the drawing: 110, mounting shell; 111, placement cavity; 120, filter element body; 121, clamping disc; 122, limiting head; 123, limiting groove; 124, flow cavity; 125, slot; 130, sealing assembly; 131, rubber ball; 132, moving block; 133, fixed rod; 134, piston disc; 135, sleeve ring; 140, clamping groove; 141, clamping ball; 142, through groove. DETAILED DESCRIPTION

[0021] The technical solutions 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 those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Embodiment one, this embodiment is intended to promote the solution to the problem that unsealed filter element will cause air pollutants directly through the filter element without filtering, reducing the purification efficiency, pollutants may also bypass the filter, directly into the purified air, resulting in secondary pollution, please refer to Figures 1-4 A sealing structure for an air purifier filter element, comprising a mounting shell 110 and a filter element body 120, the filter element body 120 is installed inside the mounting shell 110, the mounting shell 110 is provided with a placing cavity 111 inside, the filter element body 120 is installed inside the placing cavity 111, and the filter element body 120 is provided with a sealing assembly 130 between the mounting shell 110.

[0023] The end of the filter element body 120 is connected with a clamping disc 121, the bottom of the filter element is connected with a limiting head 122, the inside of the placing cavity 111 is provided with a limiting groove 123, the limiting head 122 and the limiting groove 123 are slidingly clamped, the inside of the mounting shell 110 is provided with a flow cavity 124, the inner wall of the placing cavity 111 is provided with a slot 125, and the flow cavity 124 and the slot 125 are in communication.

[0024] In the embodiment, the sleeve ring 135 is provided as a rubber ring, the rubber sleeve ring 135 is slidingly matched with the placing cavity 111, and stage sealing can be achieved during sliding, which can effectively reduce the direct contact of pollutants with the filter element, reduce the pollution degree of the filter element, prolong the service life of the filter element, and solve the problem that unsealed filter element will cause air pollutants directly through the filter element without filtering, reducing the purification efficiency, pollutants may also bypass the filter, directly into the purified air, resulting in secondary pollution.

[0025] Embodiment two, this embodiment is intended to promote the solution to the problem of insufficient sealing, this embodiment is an improvement on the basis of embodiment one, for details, please refer to Figures 1-4 The sealing assembly 130 comprises a rubber ball 131 and a moving block 132, the rubber ball 131 is in communication with the end of the slot 125, and the moving block 132 is arranged inside the rubber ball 131.

[0026] The fixed rod 133 is connected with the side of the moving block 132, the end of the fixed rod 133 is connected with the piston disc 134, the piston disc 134 is in sliding fit with the flow cavity 124, the sleeve ring 135 is arranged on the side of the filter core body 120, the sleeve ring 135 is arranged as a rubber ring, the rubber ring is in sliding fit with the placing cavity 111, the limiting head 122 is provided with the clamping groove 140 on the side, the inner wall of the placing cavity 111 is provided with the through groove, the end of the through groove is connected with the clamping ball 141, and the clamping ball 141 is in sliding fit with the clamping groove 140; the rubber ring is in sliding fit with the placing cavity 111, a first layer of sealing is provided, and air is effectively prevented from bypassing the filter core. When the filter core body 120 is slidably installed, the sliding fit of the clamping ball 141 and the clamping groove 140 provides additional sealing, and air leakage is further prevented. The sliding fit of the piston disc 134 and the flow cavity 124: the sliding of the piston disc 134 in the flow cavity 124 can adjust the air pressure in the cavity, help maintain the sealed state, ensure that the air passes through the filter core for purification, and effectively reduce the opportunity of pollutants entering the inside of the filter core, reduce the burden of the filter core, and prolong the service life. Good sealing prevents unfiltered air from directly contacting the filter material, keeping the filter material clean and efficient.

[0027] In the embodiment, the sealing assembly 130 is arranged, the rubber ball 131 cooperates with the clamping ball 141, when the filter core body 120 is slid, the clamping ball 141 is extruded, the clamping ball 141 is extruded, the moving block 132 in the inside drives the fixed rod 133 and the piston disc 134 at the end of the fixed rod 133, the gas in the flow cavity 124 is pressed to the clamping ball 141, the clamping ball 141 is clamped with the clamping groove 140, the extrusion of the clamping ball 141 makes the sealing assembly 130 more closely fit, further improves the sealing performance, ensures that the air must pass through the filter core for purification, and improves the purification efficiency.

[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] The preferred embodiments of the utility model have been described above, it should be pointed out that, for ordinary skilled in the art, on the premise that the technical principle of the utility model is not departed from, can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model.

Claims

1. A sealing structure for an air purifier filter element, comprising a mounting shell (110) and a filter element body (120), the filter element body (120) being mounted inside the mounting shell (110), characterized in that: The mounting housing (110) has a placement cavity (111) inside, the filter element body (120) is installed inside the placement cavity (111), and a sealing assembly (130) is provided between the filter element body (120) and the mounting housing (110).

2. The sealing structure for an air purifier filter element according to claim 1, characterized in that: The filter element body (120) is connected to a locking disc (121) at one end, and a limiting head (122) is connected to the bottom of the filter element.

3. A sealing structure for an air purifier filter element according to claim 2, characterized in that: The placement cavity (111) has a limiting groove (123) inside, and the limiting head (122) slides and engages with the limiting groove (123).

4. The sealing structure for an air purifier filter element according to claim 1, characterized in that: The mounting shell (110) has a flow cavity (124) inside, and the inner wall of the placement cavity (111) has a slot (125) connected to the flow cavity (124) and the slot (125).

5. A sealing structure for an air purifier filter element according to claim 4, characterized in that: The sealing assembly (130) includes a rubber ball (131) and a moving block (132), the rubber ball (131) being connected to the end of the slot (125), and the moving block (132) being disposed inside the rubber ball (131).

6. A sealing structure for an air purifier filter element according to claim 5, characterized in that: The movable block (132) is connected to a fixed rod (133) on its side, and a piston disc (134) is connected to the end of the fixed rod (133).

7. A sealing structure for an air purifier filter element according to claim 6, characterized in that: The piston disc (134) is slidably engaged with the flow chamber (124), and a collar (135) is sleeved on the side of the filter element body (120). The collar (135) is a rubber ring and is slidably engaged with the placement chamber (111).

8. A sealing structure for an air purifier filter element according to claim 3, characterized in that: The limiting head (122) has a locking groove (140) on its side, and the inner wall of the placement cavity (111) has a through groove (142). The end of the through groove (142) is connected to a locking ball (141), and the locking ball (141) slides and engages with the locking groove (140).