Air purification door sealing device

By introducing a fan-driven directional airflow and a rectangular sealing gasket structure into the air purification door, the problems of low purification efficiency, poor sealing, and complex maintenance of existing air purification doors are solved, achieving a more efficient purification effect and a simplified activated carbon replacement process.

CN224049024UActive Publication Date: 2026-03-27WUXI DONGSHENG PURIFYING EQUIP INSTALLATION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing air purification doors have low purification efficiency, insufficient sealing reliability, and complex maintenance operations, especially the difficulty in replacing activated carbon.

Method used

An air purification door sealing device was designed. By increasing airflow and improving sealing and reliability, a suction fan is used to drive the airflow in a directional manner. Combined with a rectangular sealing gasket and a locking mechanism, the activated carbon replacement operation is simplified.

Benefits of technology

It improves the adsorption rate of activated carbon, enhances sealing, reduces the difficulty of replacing activated carbon, and avoids the failure of purification function.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224049024U_ABST
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Abstract

The utility model relates to the technical field of air purification doors, in particular to an air purification door sealing device which comprises a door plate, a rectangular frame is fixedly connected to the outer wall of the door plate in a penetrating mode, a filling box with the upper side of an opening structure is arranged in the rectangular frame, and supporting net plates are fixedly connected to the left side and the right side of the outer wall of the filling box in a penetrating mode. A sealing assembly is arranged on the left side of the filling box and comprises a fixing plate fixedly connected to the interior of the rectangular frame. When the activated carbon is replaced, only bolts need to be loosened, the filling box is pulled out, and old carbon is poured out for refilling, the whole door plate does not need to be disassembled, so that the operation difficulty of replacing the activated carbon is reduced, and the directional flowing path shortens the gas residence time and strengthens the gas permeability to accelerate adsorption, so that the adsorption speed is increased, and all gas flows are forced to completely penetrate through the activated carbon layer. And the gas bypassing risk is eliminated, so that the purification function failure is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to air purification door technical field, specifically disclose a kind of air purification door sealing device. BACKGROUND

[0002] Air purification door refers to the door with air purification function, built-in purification cabin can decompose formaldehyde and other harmful gases in indoor air, and benzene, TVOC, decoration peculiar smell, second-hand cigarette has certain cleaning effect.

[0003] Chinese patent CN202767824U discloses an air purification door, the new model in air permeation door plate, adsorbent carries out adsorption to formaldehyde, dimethyl benzene and other toxic and harmful substances in air, ensures the safety and health of indoor air environment. The mechanical strength of the baffle enhances the door body, so that the door body still has good strength after filling the adsorbent, and the service life of the door body is enhanced. At the same time, the baffle divides the space in the door body, and the filler is filled into several filling chambers respectively. When replacing, some areas can be replaced without replacing all the adsorbents.

[0004] The air purification door disclosed in the above document realizes air purification function by integrating adsorbent in the door body, but the technical scheme has the following defects:

[0005] 1. Low passive purification efficiency: since air purification only relies on natural penetration of air into the filling chamber through the door plate, the flowability of air flow is poor, which leads to slow adsorption speed.

[0006] 2. Insufficient sealing reliability: after the activated carbon particles are poured into the filling chamber through the top through hole, macroscopic gaps are formed between the top of the activated carbon layer and the upper side of the inner wall of the door frame due to the lack of gap control design. In addition, the design of the through hole cannot compact the activated carbon. Under the condition of vibration or self-weight sinking of the activated carbon, external air can directly pass through the door body (bypassing the activated carbon) from the gap, resulting in failure of the purification function.

[0007] 3. Complex maintenance operation: when the activated carbon needs to be taken out for replacement, since the through hole is located at the top of the filling chamber, the door body may need to be completely disassembled, and the door body needs to be inclined to take out the activated carbon, which increases the operation difficulty.

[0008] The above defects show that the existing technology cannot balance the purification efficiency, sealing reliability and use convenience, therefore, an air purification door sealing device is needed to solve this problem. CONTENT OF THE UTILITY MODEL

[0009] The utility model discloses an air purification door sealing device, which increases the flowability of air flow to improve the adsorption speed, increases the sealing property and reliability to prevent air flow from bypassing the activated carbon, thereby avoiding failure of the purification function, and reduces the operation difficulty of replacing the activated carbon.

[0010] The utility model discloses a kind of air purification door sealing devices, including door panel, the outer wall of the door panel is fixedly connected with rectangular frame, the inside of the rectangular frame is provided with the filling box with upside open structure, the left and right sides of the outer wall of the filling box are fixedly connected with support net plate, the left side of the filling box is provided with sealing assembly;

[0011] The sealing assembly includes a fixed plate fixedly connected to the inside of the rectangular frame, a rectangular slot is formed in the right end of the fixed plate, a rectangular sealing gasket is installed in the inside of the rectangular slot, and an extrusion frame is fixedly connected to the left end of the filling box and abuts against the rectangular sealing gasket outside the two support net plates.

[0012] A suction fan is installed in the left end of the fixed plate, and penetrates the fixed plate and extends to the inside of the extrusion frame.

[0013] A pressing plate is provided at the right end of the filling box and abuts against it, and locking mechanisms are provided on the upper and lower sides of the pressing plate.

[0014] As a preferred air purification door sealing device of the utility model, the locking mechanism includes an ear plate fixedly connected to the pressing plate, an internally threaded cylinder is embedded and installed at the right end of the door panel, a through hole is formed in the outer wall of the ear plate, and a bolt passes through the through hole and is threadedly connected to the inside of the internally threaded cylinder.

[0015] As a preferred air purification door sealing device of the utility model, two positioning grooves are formed in the left end of the pressing plate and are distributed above and below, and two positioning plates are fixedly connected to the right end of the filling box, respectively extend to the inside of the two positioning grooves, and are adapted to the two positioning grooves.

[0016] As a preferred air purification door sealing device of the utility model, the filling box is attached to the four faces of the inner wall of the rectangular frame.

[0017] As a preferred air purification door sealing device of the utility model, an internally threaded cylinder is embedded and installed at the right end of the door panel, a through hole is formed in the outer wall of the ear plate, and a bolt passes through the through hole and is threadedly connected to the inside of the internally threaded cylinder.

[0018] As a preferred air purification door sealing device of the utility model, the right end of the two positioning plates is provided with a conical guide head.

[0019] As a preferred air purification door sealing device of the utility model, a ventilation opening is formed in the right end of the pressing plate.

[0020] The utility model discloses a kind of air purification door sealing devices, including door panel, the outer wall of the door panel is fixedly connected with rectangular frame, the inside of the rectangular frame is provided with the filling box with upside open structure, the left and right sides of the outer wall of the filling box are fixedly connected with support net plate, the left side of the filling box is provided with sealing assembly;

[0021] 1. Reduce the operation difficulty: through the filling box side opening filling and compaction of activated carbon, horizontal insertion into the rectangular frame inner cavity, by the filling box outer wall and frame four direction paste preliminary positioning, extrusion frame into the fixed plate rectangular groove, positioning plate embedded positioning groove, locking mechanism compression extrusion frame and sealing pad form a seal; when replacing activated carbon, only need to loosen the bolt and pull out the filling box, pour out the old carbon and refill, without disassembling the whole door panel, thereby reducing the operation difficulty of replacing activated carbon.

[0022] 2. Improve the adsorption speed: after the air blower starts, the airflow penetrates the compression plate, the right side support net plate, enters the filling box, is adsorbed and purified through the compacted activated carbon layer, penetrates the left side support net plate into the extrusion frame, and finally flows out from the left side of the rectangular frame. The directional flow path shortens the gas residence time, strengthens the airflow permeability to accelerate the adsorption, and improves the adsorption speed.

[0023] 3. Prevent purification failure: the height of the activated carbon layer exceeds the top end of the inner wall of the extrusion frame after compaction, combined with the rectangular sealing pad to block the leakage channel at the connection between the air blower and the extrusion frame, all airflows are forced to completely penetrate the activated carbon layer, eliminating the risk of gas bypass, thereby avoiding the failure of purification function. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the specific embodiment of the present application or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0025] Figure 1 It is a whole front view of the air purification door sealing device of the present application.

[0026] Figure 2 It is a whole front view of the air purification door sealing device of the present application. Figure 1 It is an enlarged view of A in the above figure.

[0027] Figure 3 It is a local structure diagram of the present application.

[0028] Figure 4 It is a local structure diagram of the present application.

[0029] In the drawings, 1 is a rectangular frame; 2 is a fixed plate; 3 is a filling box; 4 is a support net plate; 5 is a rectangular groove; 6 is a rectangular sealing pad; 7 is an extrusion frame; 8 is an air blower; 9 is a compression plate; 10 is an ear plate; 11 is an internal thread cylinder; 12 is a through hole; 13 is a bolt; 14 is a protective net plate; 15 is a positioning groove; 16 is a positioning plate; 17 is a door panel. DETAILED DESCRIPTION

[0030] The utility model is further described below in combination with the drawings and specific embodiments to help understand the contents of the utility model. The method used in the utility model is conventional if no special provision; the raw materials and devices used are conventional commercial products if no special provision.

[0031] Please refer to Figures 1-4 A kind of air purification door sealing device, including door panel 17, the outer wall of door panel 17 is fixedly connected with rectangular frame 1 through, the inside of rectangular frame 1 is provided with the filling box 3 of upper side open structure, the left and right sides of filling box 3 outer wall are all fixedly connected with support net plate 4 through, and the left side of filling box 3 is provided with sealing assembly;

[0032] Sealing assembly includes the fixed plate 2 of being fixedly connected in the inside of rectangular frame 1, the right end of fixed plate 2 is opened with rectangular groove 5, rectangular sealing gasket 6 is installed in the inside of rectangular groove 5, and the left end of filling box 3 is fixedly connected with extrusion frame 7 located at the outer side of two support net plates 4 and abuts with rectangular sealing gasket 6;

[0033] The left end of fixed plate 2 is installed with suction fan 8, and suction fan 8 extends to the inside of extrusion frame 7 through fixed plate 2;

[0034] The right end of filling box 3 is provided with the abutting pressure plate 9, and the upper and lower sides of pressure plate 9 are all provided with locking mechanism.

[0035] In the embodiment: when using, the activated carbon is filled into the box through the upper side opening of filling box 3, and the activated carbon is fully compacted and filled by the opening design, then filling box 3 is inserted along the horizontal cavity of rectangular frame 1, and preliminary positioning is realized by the four-way adhesion of the outer wall of filling box 3 and the inner wall of rectangular frame 1, until the extrusion frame 7 at the left end of filling box 3 enters the rectangular groove 5 of fixed plate 2 and contacts with rectangular sealing gasket 6, then two positioning plates 16 enter the inside of two positioning grooves 15 respectively, and the left pressure of pressure plate 9 is applied by two locking mechanisms, and the abutment of extrusion frame 7 and rectangular sealing gasket 6 is tight, to prevent gas leakage, when activated carbon needs to be replaced, bolt 13 is loosened, filling box 3 is horizontally extracted along the direction of positioning groove 15, old particles are poured out and refilled and compacted, by this way, the door panel 17 does not need to be disassembled as a whole, so that the operation difficulty of activated carbon replacement is reduced.

[0036] When using, suction fan 8 is started, air passes through pressure plate 9, and enters the inside of filling box 3 through the mesh of right side support net plate 4, the harmful substances in air are adsorbed by activated carbon, and the purified air enters the inside of extrusion frame 7 after passing through the mesh of left side support net plate 4, and flows out from the left side of rectangular frame 1, by this way, the flowability of airflow is increased, to improve the adsorption speed.

[0037] When purifying air, the height of the activated carbon layer after compaction exceeds the top end of the inner wall of the extrusion frame 7, ensuring that the airflow cannot bypass the activated carbon layer, the rectangular sealing gasket 6 blocks the leakage channel at the connection between the air suction fan 8 and the extrusion frame 7, forcing the airflow to pass through the activated carbon layer in its entirety, thereby increasing the sealing performance and reliability, preventing the airflow from bypassing the activated carbon, and thus avoiding the failure of the purification function.

[0038] As a technical optimization scheme of the utility model, the locking mechanism includes an ear plate 10 fixedly connected with the compression plate 9, and a threaded cylinder 11 embedded and installed at the right end of the door plate 17, and a through hole 12 is formed through the outer wall of the ear plate 10, and the threaded cylinder 11 is screwed with a bolt 13 passing through the through hole 12.

[0039] In this embodiment, the locking mechanism is connected with the bolt 13 of the threaded cylinder 11 through the ear plate 10, and when the bolt 13 is tightened, the ear plate 10 drives the compression plate 9 to move leftward, continuously applying pressure to the filling box 3.

[0040] As a technical optimization scheme of the utility model, the left end of the compression plate 9 is provided with two positioning grooves 15 distributed upward and downward, and the right end of the filling box 3 is fixedly connected with two positioning plates 16 respectively extending into the two positioning grooves 15 and matched with the two positioning grooves 15.

[0041] In this embodiment, the positioning plate 16 at the right end of the filling box 3 is inserted into the positioning groove 15 of the compression plate 9, and the conical guide head guides the precise alignment, ensuring that the filling box 3 and the compression plate 9 will not move relative to each other.

[0042] As a technical optimization scheme of the utility model, the filling box 3 is in close contact with the four faces of the inner wall of the rectangular frame 1.

[0043] In this embodiment, the outer wall of the filling box 3 is in close contact with the inner wall of the rectangular frame 1 in four directions, thereby positioning the position of the filling box 3.

[0044] As a technical optimization scheme of the utility model, the rectangular frame 1 is fixedly connected with a protective mesh plate 14 located to the left of the air suction fan 8.

[0045] In this embodiment, the air suction fan 8 is protected by the protective mesh plate 14.

[0046] As a technical optimization scheme of the utility model, the right end of the two positioning plates 16 is provided with a conical guide head.

[0047] In this embodiment, when the conical guide head at the right end of the positioning plate 16 is inserted into the positioning groove 15, the inclined surface guides the automatic correction of the position of the filling box 3, improving the convenience of use.

[0048] As a technical optimization scheme of the utility model, the right end of the compression plate 9 is provided with an air vent.

[0049] In the embodiment: the air vent at the right end of the compression plate 9 allows air flow to enter the inside of the filling box 3.

[0050] The working principle and use process of the utility model: in use, the activated carbon is filled into the box through the upper opening of the filling box 3, and the opening design is used to fully compact and fill the activated carbon, then the filling box 3 is horizontally inserted into the inner cavity of the rectangular frame 1, preliminary positioning is realized by the four-way adhesion of the outer wall of the filling box 3 and the inner wall of the rectangular frame 1, until the extrusion frame 7 at the left end of the filling box 3 enters the rectangular groove 5 of the fixed plate 2 and contacts the rectangular sealing gasket 6, then the two positioning plates 16 enter the inside of the two positioning grooves 15 respectively, fast alignment is realized through the conical guide head, then the two bolts 13 pass through the two through holes 12 and are screwed into the inside of the inner threaded cylinder 11, the compression plate 9 is subjected to leftward pressure through thread locking, and the extrusion frame 7 and the rectangular sealing gasket 6 are in close abutment, preventing gas leakage, when the activated carbon needs to be replaced, the bolts 13 are loosened, the filling box 3 is horizontally pulled out along the positioning groove 15, the old particles are poured out and refilled and compacted, in this way, the door plate 17 does not need to be disassembled as a whole, thereby reducing the operation difficulty of replacing the activated carbon;

[0051] In use, the air suction fan 8 is started, air enters from the air vent of the compression plate 9 and passes through the mesh holes of the right side supporting net plate 4 to enter the inside of the filling box 3, the harmful substances in the air are adsorbed by the activated carbon, and the purified air enters the inside of the extrusion frame 7 after passing through the mesh holes of the left side supporting net plate 4 and flows out from the left side of the rectangular frame 1, in this way, the flowability of the air flow is increased, so that the adsorption speed is improved;

[0052] When purifying air, the height of the activated carbon layer after compaction exceeds the top end of the inner wall of the extrusion frame 7, so that the air flow cannot bypass the activated carbon layer, the rectangular sealing gasket 6 blocks the leakage channel at the connection between the air suction fan 8 and the extrusion frame 7, the air flow is forced to pass through the activated carbon layer, so that the sealing property and reliability are increased, the air flow is prevented from bypassing the activated carbon, and the purification function is prevented from failing.

[0053] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0054] The above is only a specific embodiment of the present application, and cannot limit the scope of the present application. The replacement of equivalent components or equivalent changes and modifications within the scope of the present application should still be within the scope of the present application.

Claims

1. An air purification door sealing device, comprising a door panel (17), characterized in that: A rectangular frame (1) is fixedly connected through the outer wall of the door panel (17). A filling box (3) with an open structure on the upper side is provided inside the rectangular frame (1). Support mesh plates (4) are fixedly connected through the left and right sides of the outer wall of the filling box (3). A sealing component is provided on the left side of the filling box (3). The sealing assembly includes a fixing plate (2) fixedly connected inside the rectangular frame (1), a rectangular groove (5) is provided at the right end of the fixing plate (2), a rectangular sealing gasket (6) is installed inside the rectangular groove (5), and a compression frame (7) located outside the two supporting mesh plates (4) and abutting against the rectangular sealing gasket (6) is fixedly connected to the left end of the filling box (3). A suction fan (8) with an air inlet that penetrates the fixed plate (2) and extends into the extrusion frame (7) is installed at the left end of the fixed plate (2); The right end of the filling box (3) is provided with a pressing plate (9) that abuts against it, and the upper and lower sides of the pressing plate (9) are provided with locking mechanisms.

2. The air purification door sealing device according to claim 1, characterized in that: The locking mechanism includes an ear plate (10) fixedly connected to the pressure plate (9), and an internal threaded cylinder (11) is embedded in the right end of the door plate (17). The outer wall of the ear plate (10) is provided with a through hole (12), and the internal threaded cylinder (11) is internally threaded with a bolt (13) that passes through the through hole (12).

3. The air purification door sealing device according to claim 1, characterized in that: The left end of the pressing plate (9) has two vertically distributed positioning grooves (15), and the right end of the filling box (3) is fixedly connected to two positioning plates (16) that extend into the two positioning grooves (15) and are adapted to the two positioning grooves (15).

4. The air purification door sealing device according to claim 1, characterized in that: The filling box (3) is attached to the four sides of the inner wall of the rectangular frame (1).

5. The air purification door sealing device according to claim 1, characterized in that: The rectangular frame (1) is fixedly connected to a protective mesh plate (14) located to the left of the suction fan (8).

6. The air purification door sealing device according to claim 3, characterized in that: The right ends of the two positioning plates (16) are equipped with tapered guide heads.

7. The air purification door sealing device according to claim 1, characterized in that: The right end of the clamping plate (9) has a vent.

Citation Information

Patent Citations

  • Air purification door

    CN202767824U