Indoor air purifier with filter element convenient to replace
Through structural design including support blocks, vents, control panel, shell cover, air inlet slot, round shell, air intake fan, support mesh, and filter body, combined with a micro motor and bevel gear driven screw cylinder, the problem of filter replacement caused by the fixed shell cover and housing is solved, realizing convenient removal and replacement of the filter, and improving the convenience and stability of the purifier.
Patent Information
- Application Number
- CN202423256127.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-29
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-29
AI Technical Summary
Existing indoor air purifiers use a one-piece molding or welding process to fix the cover and housing, making it difficult to replace the filter.
The design incorporates a support block, ventilation holes, control panel, shell cover, air inlet slot, round shell, air inlet fan, support mesh, filter body, pressure block, insertion rod, spring, and stabilizing mechanism. It uses a micro motor and bevel gear to drive the screw cylinder to move, combined with suction cup fixation, to achieve stable connection and easy removal of the shell cover.
It enables convenient removal and replacement of the filter element, improving the ease of use and stability of the air purifier.
Smart Images

Figure CN223810916U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to indoor air purifier technical field, specifically be convenient for the indoor air purifier of filter core replacement. BACKGROUND
[0002] It is known that the indoor air purifier is a kind of equipment for improving indoor air quality. It filters dust, pollen, mold, bacteria, viruses and other harmful substances in air, and removes odors and chemical pollutants, to purify air and improve indoor air quality.
[0003] In the utility model patent with patent grant announcement No. CN212974514U, an indoor air purifier is disclosed, comprising: a body having a frame at least partially defining an interior chamber and an opening to the interior chamber; a purification mechanism located in the interior chamber and including at least one filter and at least one fan; a panel configured to be removably mounted to the body and covering the opening to the interior chamber; a base mounted to the body; a set of legs; and a nonwoven fabric portion covering at least a portion of the body, the fan generates an inflow through the nonwoven fabric portion and the filter when activated and generates an outflow through the body.
[0004] However, the existing indoor air purifier also has certain shortcomings, the existing indoor air purifier is mostly fixed between shell cover and shell by one-piece pressing forming or welding, which makes it difficult for people to disassemble the shell cover and shell, and inconvenient to replace and use the filter core. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of indoor air purifier of filter core replacement, solve the existing indoor air purifier and be mostly fixed between shell cover and shell by one-piece pressing forming or welding, which makes it difficult for people to disassemble the shell cover and shell, and inconvenient to replace and use the filter core.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of indoor air purifier of filter core replacement, including shell, the lower end of the shell is fixedly connected with four evenly distributed support blocks, the front of the shell is equipped with air hole, the front of the shell and the upper side of air hole are provided with control screen, the upper end of the shell is contacted with shell cover, the surface of the shell cover is equipped with air inlet groove, the inner side wall of the shell is installed with spherical shell by support piece, the spherical shell is contacted with shell cover;
[0007] The inside of the circular shell is provided with an air inlet fan, the inner side of the circular shell and the upper side of the air inlet fan are fixedly connected with a supporting net disc, the upper end of the supporting net disc is in contact with a filter core body, the filter core body is in sliding connection with the circular shell, the lower end of the shell cover is fixedly connected with a pressing block in the middle, the pressing block is in contact with the filter core body, and a stabilizing mechanism is arranged on the shell body.
[0008] Preferably, the lower end of the left side of the shell cover is fixedly connected with a connecting block, the connecting block is in sliding connection with the shell body, the inner wall of the shell body is in sliding connection with a plug rod, the plug rod is in sliding connection with the connecting block, the plug rod is in contact with the circular shell, the left end of the plug rod is fixedly connected with an end buckle, and the outer side of the plug rod is provided with a spring.
[0009] Preferably, one end of the spring is fixedly connected with the end buckle, and the other end of the spring is fixedly connected with the shell body.
[0010] Preferably, the stabilizing mechanism comprises a mounting shell, the inner side of the shell body is fixedly connected with the mounting shell, the inside of the mounting shell is provided with a screw rod through a bearing, the outer side of the screw rod is provided with a screw cylinder through a thread, the screw cylinder is in sliding connection with the shell body, the lower end of the screw cylinder is fixedly connected with a suction disc, the outer side of the screw rod is fixedly sleeved with a bevel gear one, the right side wall of the inner side of the mounting shell is fixedly provided with a micro motor, the outer side of the output shaft of the micro motor is fixedly sleeved with a bevel gear two, and the bevel gear two is in engagement with the bevel gear one.
[0011] Preferably, the left side of the screw cylinder is fixedly connected with a guide sheet, and the guide sheet is in sliding connection with the shell body.
[0012] Preferably, a plurality of air inlet grooves are arranged in a ring array on the shell cover.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1、pull the end buckle to the left side, the spring deforms, the plug rod is separated from the connecting block, the shell cover is in the state of being released from the limitation, the shell cover is pulled to drive the pressing block to move upwards, and the filter core body is in the exposed state, so that the user can disassemble, replace and use the filter core body.
[0015] 2. This utility model, through the setting of a micro motor, bevel gear and other structures, can drive the screw to rotate, thereby driving the screw barrel to move. Under the action of the guide plate, the smooth movement of the screw barrel can be ensured, thereby driving the suction cup to contact the placement surface, so as to improve the stability of the purifier placement. Attached Figure Description
[0016] Figure 1 This is a perspective view of the overall structure of this utility model;
[0017] Figure 2 For the present utility model Figure 1 A schematic diagram of the internal structure of the shell;
[0018] Figure 3 For the present utility model Figure 2 A schematic diagram of the internal structure of a circular shell;
[0019] Figure 4 For the present utility model Figure 3 A schematic diagram of the internal structure of the filter element body;
[0020] Figure 5 For the present utility model Figure 2 A cross-sectional view of the mounting shell.
[0021] In the diagram: 1. Shell; 2. Support block; 3. Vent hole; 4. Control panel; 5. Shell cover; 6. Air inlet slot; 7. Round shell; 8. Air intake fan; 9. Support mesh plate; 10. Filter element body; 11. Pressure block; 12. Connecting block; 13. Insert rod; 14. End buckle; 15. Spring; 16. Stabilizing mechanism; 161. Mounting shell; 162. Screw; 163. Screw barrel; 164. Suction cup; 165. Guide plate; 166. Bevel gear one; 167. Micro motor; 168. Bevel gear two. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5An indoor air purifier with easy filter replacement includes a housing 1. Four evenly distributed support blocks 2 are fixedly connected to the lower end of the housing 1. A vent 3 is provided on the front of the housing 1. A control panel 4 is provided on the front of the housing 1 and above the vent 3. A cover 5 is in contact with the upper end of the housing 1. An air inlet groove 6 is provided on the surface of the cover 5. Multiple air inlet grooves 6 are arranged in a circular array on the cover 5. The air inlet grooves 6 can ensure normal air circulation. A circular shell 7 is installed on the inner side wall of the housing 1 through a support member. The circular shell 7 is in contact with the cover 5.
[0024] An air intake fan 8 is provided inside the round shell 7. A support mesh disk 9 is fixedly connected to the inner side of the round shell 7 and above the air intake fan 8. The upper end of the support mesh disk 9 contacts the filter element body 10. The filter element body 10 is slidably connected to the round shell 7. A pressure block 11 is fixedly connected to the lower middle part of the shell cover 5. The pressure block 11 contacts the filter element body 10.
[0025] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 A connecting block 12 is fixedly connected to the lower left side of the cover 5. The connecting block 12 is slidably connected to the cover 1. An insert rod 13 is slidably connected to the inner wall of the cover 1. The insert rod 13 is slidably connected to the connecting block 12. The insert rod 13 contacts the round shell 7. An end buckle 14 is fixedly connected to the left end of the insert rod 13. A spring 15 is provided on the outside of the insert rod 13. One end of the spring 15 is fixedly connected to the end buckle 14, and the other end of the spring 15 is fixedly connected to the cover 1. The end buckle 14 can be connected and used through the setting of the spring 15. The cover 5 can be limited by the setting of the insert rod 13, connecting block 12 and other structures, so that the cover 5 is in a stable state.
[0026] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5The housing 1 is provided with a stabilizing mechanism 16, which includes a mounting shell 161. The mounting shell 161 is fixedly connected to the bottom inner side of the housing 1. A screw 162 is mounted inside the mounting shell 161 via a bearing. A screw barrel 163 is threadedly connected to the outer side of the screw 162. The screw barrel 163 is slidably connected to the housing 1. A suction cup 164 is fixedly connected to the lower end of the screw barrel 163. A guide plate 165 is fixedly connected to the left side of the screw barrel 163. The guide plate 165 is slidably connected to the housing 1. The guide plate 165 guides the screw barrel 163 to ensure stability. The movement of the screw barrel 163 is stable. A bevel gear 166 is fixedly sleeved on the outer side of the screw 162. A micro motor 167 is fixedly installed on the inner right side wall of the mounting shell 161. A bevel gear 168 is fixedly sleeved on the outer side of the output shaft of the micro motor 167. The bevel gear 168 meshes with the bevel gear 166. Through the arrangement of the micro motor 167, bevel gear 168, screw 162 and other structures, the screw barrel 163 can be driven to move, thereby driving the suction cup 164 to move, so that the suction cup 164 is adsorbed and fixed to the placement surface, so as to ensure the long-term stability of the shell 1.
[0027] The specific implementation process of this utility model is as follows: When in use, the air intake fan 8 creates a negative pressure difference between the inside and outside of the housing 1, which draws in air. Under the action of the air intake groove 6, the vent 3, the support mesh 9 and other structures, normal air circulation can be ensured, and the air can be purified under the action of the filter body 10.
[0028] The micro motor 167 is started to drive the output shaft to rotate, which in turn drives the second bevel gear 168 to rotate. Under the meshing relationship, the second bevel gear 168 drives the first bevel gear 166 to rotate, which in turn drives the screw 162 to rotate. Under the threaded connection, the screw barrel 163 can be driven to move, so that the screw barrel 163 drives the guide plate 165 to slide along the inner wall of the mounting shell 161 to ensure the smooth movement of the screw barrel 163. This, in turn, drives the suction cup 164 to move, so that the suction cup 164 contacts the placement surface of the indoor air purifier, adsorbs and fixes the indoor air purifier, and ensures the stability of the indoor air purifier.
[0029] By pulling the end buckle 14 to the left, the insertion rod 13 is moved, the spring 15 is deformed, and the insertion rod 13 is disengaged from the connecting block 12. The cover 5 can be pulled upward, so that the pressure block 11 is disengaged from the filter element body 10. The cover 5 is removed, so that the filter element body 10 is exposed, which facilitates the quick removal and replacement of the filter element body 10.
[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An indoor air cleaner facilitating replacement of a filter cartridge, comprising a housing (1), characterized in that: The lower end of the shell (1) is fixedly connected with four evenly distributed supporting blocks (2), the front surface of the shell (1) is provided with air holes (3), the front surface of the shell (1) and the upper side of the air holes (3) are provided with a control screen (4), the upper end of the shell (1) is in contact with a shell cover (5), the surface of the shell cover (5) is provided with air inlet grooves (6), the inner side wall of the shell (1) is installed with a round shell (7) through a supporting piece, and the round shell (7) is in contact with the shell cover (5). The inside of the round shell (7) is provided with an air inlet fan (8), the inner side of the round shell (7) and the upper side of the air inlet fan (8) are fixedly connected with a supporting net disc (9), the upper end of the supporting net disc (9) is in contact with a filter core body (10), the filter core body (10) is in sliding connection with the round shell (7), the lower end of the shell cover (5) is fixedly connected with a pressing block (11), the pressing block (11) is in contact with the filter core body (10), and a stabilizing mechanism (16) is arranged on the shell (1).
2. The indoor air cleaner of claim 1, wherein: The lower end of the shell cover (5) is fixedly connected with a connecting block (12), the connecting block (12) is in sliding connection with the shell (1), the inner wall of the shell (1) is slidingly connected with a plug rod (13), the plug rod (13) is in sliding connection with the connecting block (12), the plug rod (13) is in contact with the round shell (7), the left end of the plug rod (13) is fixedly connected with an end buckle (14), and the outer side of the plug rod (13) is provided with a spring (15).
3. The indoor air cleaner of claim 2, wherein: One end of the spring (15) is fixedly connected with the end buckle (14), and the other end of the spring (15) is fixedly connected with the shell (1).
4. The indoor air cleaner of claim 1, wherein: The stabilizing mechanism (16) comprises a mounting shell (161), the inner side bottom of the shell (1) is fixedly connected with the mounting shell (161), the inside of the mounting shell (161) is installed with a screw rod (162) through a bearing, the outer side of the screw rod (162) is connected with a screw cylinder (163) through threads, the screw cylinder (163) is in sliding connection with the shell (1), the lower end of the screw cylinder (163) is fixedly connected with a suction disc (164), the outer side of the screw rod (162) is fixedly sleeved with a bevel gear one (166), the inner side right side wall of the mounting shell (161) is fixedly installed with a micro motor (167), the output shaft outer side of the micro motor (167) is fixedly sleeved with a bevel gear two (168), and the bevel gear two (168) is in meshing connection with the bevel gear one (166).
5. The indoor air cleaner of claim 4, wherein: The left side of the screw cylinder (163) is fixedly connected with a guide sheet (165), and the guide sheet (165) is in sliding connection with the shell (1).
6. The indoor air cleaner of ease replacement of the filter cartridge according to claim 1, wherein: The air inlet grooves (6) are provided with a plurality of air inlet grooves (6) arranged in an annular array on the shell cover (5).
Citation Information
Patent Citations
Indoor air purifier
CN212974514U