Convenient-to-disassemble filter screen structure and range hood

By designing a rotating filter assembly and a limiting mechanism, the problem of requiring tools to disassemble and install existing range hood filters has been solved, enabling convenient disassembly and safe replacement, and improving the user experience.

CN223610200UActive Publication Date: 2025-11-28GREE ELECTRIC APPLIANCE INC OF ZHUHAI
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423186437.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-28
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

Existing range hood filters are fixed with screws or clips, requiring tools for disassembly and assembly, which is cumbersome and poses safety hazards.

Method used

A filter screen easy-to-remove structure is designed. By rotating the filter screen assembly and limiting mechanism, the filter screen can be easily disassembled and replaced. Combined with magnetic fixation and limiting ribs, it prevents excessive opening and ensures safety.

Benefits of technology

It reduces the difficulty of filter replacement, improves operational safety and user experience, avoids damage caused by exposed impeller, and enhances ease of use.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223610200U_ABST
    Figure CN223610200U_ABST
Patent Text Reader

Abstract

The structure comprises a filter screen assembly, the filter screen assembly is located on the air inlet side of a fan module body so as to shield a wind wheel in the fan module body, and the filter screen assembly and the fan module body can rotate relative to each other. A limiting mechanism is arranged on the filter screen assembly to limit the rotating angle of the filter screen assembly; by arranging the filter screen assembly rotationally connected with the fan module body, the filter screen assembly can be conveniently pulled to be staggered with the fan module body so that a filter screen in the fan module body can be detached or replaced, meanwhile, the filter screen assembly can be conveniently reset through the arrangement of rotational connection, and the replacement difficulty of the air inlet filter screen is reduced; and meanwhile, a limiting mechanism is arranged to limit the rotating angle of the filter screen assembly, the situation that the opening angle of the filter screen assembly is too large, consequently, a wind wheel in the fan module body is exposed, and a user is hurt is avoided, the filter screen replacement safety is improved, and therefore the use experience of the user is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to filter screen dismounting technical field, concretely relates to a filter screen easy-to-disassemble structure and range hood. BACKGROUND

[0002] The range hood has become the indispensable kitchen appliance in modern kitchen, and the range hood sucks and discharges the oil fume generated during cooking to the outdoor through its negative pressure, but the oil fume is accompanied by a large amount of heat during cooking, and the range hood can only effectively take away the oil fume, but cannot circulate the indoor air of the kitchen, so the heat generated during cooking cannot be effectively taken away, and the temperature of the kitchen rises sharply during long-time cooking, especially in summer, which is unbearable.

[0003] In order to eliminate the hot environment during cooking in the kitchen, various forms of kitchen cooling appliances have been developed by major manufacturers, including the range hood with a fan module, and as a kitchen appliance, the range hood needs to be wiped frequently, and the fan module is exposed to the air inlet, so the user's fingers are easy to contact the high-speed fan during wiping the range hood, which may cause injury, and in addition, the installation height of the range hood is high, and the filter screen structure is usually fixed by screws or buckles, so it is very troublesome for the user to disassemble the filter screen by hand, and tools must be used to complete the assembly and disassembly, which brings great trouble to life.

[0004] Therefore, the prior art needs to be further improved. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, a filter screen easy-to-disassemble structure and range hood are provided to solve the problem that the filter screen structure is usually fixed by screws or buckles, and the user needs to disassemble the filter screen by hand, which is very troublesome, and tools must be used to complete the assembly and disassembly.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technology to achieve:

[0007] A filter screen easy-to-disassemble structure, comprising a filter screen assembly, the filter screen assembly is located on the air inlet side of the fan module main body to shield the fan wheel in the fan module main body, the filter screen assembly and the fan module main body can rotate relative to each other, and a limiting mechanism is arranged on the filter screen assembly to limit the rotation angle of the filter screen assembly.

[0008] Further, the filter screen assembly comprises a filter screen cover, the filter screen cover is installed with a filter screen, and the filter screen cover is rotationally connected with the air inlet of the fan module main body.

[0009] Further, the filter screen cover comprises upper and lower grid plates, a dismounting opening is formed at one end of the filter screen cover, and the filter screen is slidably connected between the two grid plates through the dismounting opening.

[0010] Further, one end of the filter cover is hinged with a rotating shaft, the rotating shaft is clamped on the fan module body to realize positioning, so that the filter cover stably rotates on the fan module body.

[0011] Further, the fan module body comprises a shell, the air inlet is arranged on the top of the shell, and the air inlet is provided with limiting plates for inserting the rotating shaft on both sides.

[0012] Further, the side of the shell is provided with a limiting rib, the limiting rib comprises a first limiting rib and a second limiting rib which abut against both ends of the rotating shaft respectively to limit the rotating shaft.

[0013] Further, the rotating shaft comprises a horizontal section and a bent section which are perpendicular to each other, the first limiting rib abuts against the end of the horizontal section, and the second limiting rib abuts against the side of the bent section.

[0014] Further, the limiting mechanism comprises a limiting block which is fixedly connected with the filter cover and is sleeved on the periphery of the rotating shaft, and the limiting block comprises a limiting portion for abutting against the fan module body to limit the opening angle of the filter cover.

[0015] Further, the limiting mechanism comprises a limiting table which is located on the inner side of the fan module body, and the limiting table abuts against the filter cover to make the filter cover flush with the surface of the fan module body.

[0016] Further, the top of the shell is provided with a first magnet, the bottom of the filter cover is provided with a second magnet, and the first magnet cooperates with the second magnet to facilitate the stable connection of the filter cover and the fan module body.

[0017] Further, the grid plate is provided with a drawing opening which is located above the dismounting opening to facilitate drawing the filter screen in the filter cover, and the upper surface of the grid plate is further provided with a handle which facilitates lifting the filter cover.

[0018] Further, the fan module body is provided with two groups and is fixed to the range hood body through the fan fixing support, the range hood body is detachably connected with a cover plate, the cover plate is provided with an avoiding groove corresponding to the air inlet, and the filter assembly is located in the avoiding groove.

[0019] A range hood comprises the filter screen convenient dismounting structure.

[0020] Compared with the prior art, the comprehensive effect brought by the present application includes:

[0021] The filter screen assembly is rotationally connected with the fan module main body, so that the filter screen assembly can be disassembled or replaced by pulling the filter screen assembly to be dislocated with the fan module main body, and the rotationally connected structure facilitates the resetting of the filter screen assembly, reduces the difficulty of replacing the air inlet filter screen, and the limiting mechanism limits the rotation angle of the filter screen assembly, avoids that the fan module main body is exposed due to the too large opening angle of the filter screen assembly, and improves the safety of replacing the filter screen, thereby improving the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is an overall explosion structure schematic view of the embodiment of the utility model;

[0023] Figure 2 It is an overall structure schematic view of the embodiment of the utility model;

[0024] Figure 3 It is an overall structure side view schematic view of the embodiment of the utility model;

[0025] Figure 4 It is a filter screen cover structure schematic view of the embodiment of the utility model;

[0026] Figure 5 It is a filter screen cover and shell assembly structure schematic view of the embodiment of the utility model;

[0027] Figure 6 It is Figure 5 partial structure schematic view;

[0028] Figure 7 It is a fan module main body cross section structure schematic view of the embodiment of the utility model;

[0029] Figure 8 It is a filter screen cover bottom view structure schematic view of the embodiment of the utility model;

[0030] Figure 9 It is a fan module main body top view structure schematic view of the embodiment of the utility model.

[0031] Legend: 1, fan module main body; 2, wind wheel; 3, filter screen cover; 4, filter screen; 5, grating plate; 6, rotating shaft; 7, shell; 8, limiting plate; 9, first limiting rib; 10, second limiting rib; 11, limiting block; 12, limiting table; 13, first magnet; 14, second magnet; 15, extraction port; 16, handle; 17, fan fixed support; 18, cover plate; 19, avoiding groove. DETAILED DESCRIPTION

[0032] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings, obviously, the described embodiment is only a part of the utility model embodiment, rather than all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts are within the protection scope of the utility model.

[0033] In this paper, the relationship terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. The orientation or position relationship indicated by the terms "up", "down", "left", "right", "top" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0034] As shown in Figures 1 to 9 A filter screen convenient to disassemble structure, including filter screen assembly, the filter screen assembly is located at the air inlet side of fan module main body 1 to shield the fan wheel 2 in fan module main body 1, the filter screen assembly can be rotated relative to fan module main body 1, the filter screen assembly is provided with a limiting mechanism to limit the rotation angle of the filter screen assembly.

[0035] The filter screen assembly is rotatably connected with the fan module main body 1, which facilitates the disassembly or replacement of the filter screen 4 in the fan module main body 1 by pulling the filter screen assembly and making it dislocated, and the rotatable connection facilitates the resetting of the filter screen assembly, reduces the difficulty of replacing the air inlet filter screen, and the limiting mechanism limits the rotation angle of the filter screen assembly, avoids the exposure of the fan wheel 2 in the fan module main body 1 due to the excessive opening angle of the filter screen assembly, improves the safety of replacing the filter screen 4, and thus improves the user experience.

[0036] In the filter screen convenient to disassemble structure of the embodiment, the filter screen assembly comprises a filter screen cover 3, the filter screen 4 is installed in the filter screen cover 3, and the filter screen cover 3 is rotatably connected with the air inlet of the fan module main body 1.

[0037] Specifically, the filter screen cover 3 is arranged to protect and support the filter screen 4, and the filter screen cover 3 is rotatably connected with the air inlet, thereby playing a shielding effect on the air inlet and avoiding the exposure of the fan wheel 2. By adjusting the angle between the filter screen cover 3 and the air inlet, the position of the filter screen 4 can be changed, thereby facilitating the removal or installation of the filter screen 4.

[0038] The filter screen convenient dismounting structure of the embodiment comprises a filter screen cover 3, a filter screen 4 and a fan module body 1.

[0039] Specifically, the grid plate 5 is buckled on the air inlet, and the grid plate 5 is provided with uniformly distributed grids, so that the filter screen 4 is supported and limited while the air inlet effect is avoided, the dismounting opening is arranged on the filter screen cover 3, the filter screen 4 is pulled out from between the grid plates 5 or inserted into the grid plates 5, and the purpose of conveniently replacing the filter screen 4 is achieved.

[0040] Preferably, the rotating shaft of the filter screen cover 3 is located on the side of the fan module body 1 away from the user, and the dismounting opening is arranged on the side of the filter screen cover 3 close to the user, so as to facilitate the user to adjust the rotating angle of the filter screen cover 3 and pull out the filter screen 4.

[0041] In the filter screen convenient dismounting structure of the embodiment, one end of the filter screen cover 3 is hinged with a rotating shaft 6, and the rotating shaft 6 is clamped on the fan module body 1 to realize positioning, so that the filter screen cover 3 is stably rotated on the fan module body 1.

[0042] Specifically, the opposite side of the filter screen cover 3, on which the dismounting opening is arranged, is provided with a connecting seat, the rotating shaft 6 penetrates through the connecting seat and is rotationally connected with the connecting seat, when the filter screen 4 needs to be cleaned, the user pulls up the filter screen cover 3 to make it rotate around the rotating shaft 6, and then the dismounting opening is exposed, so as to pull out the filter screen 4, and the dismounting convenience is improved.

[0043] In the filter screen convenient dismounting structure of the embodiment, the grid plate 5 is provided with an extraction opening 15, the extraction opening 15 is located above the dismounting opening to facilitate the extraction of the filter screen 4 in the filter screen cover 3, and a handle 16 for pulling up the filter screen cover 3 is further arranged on the middle part of the upper surface of the grid plate 5.

[0044] Specifically, the extraction opening 15 is a groove arranged on the side edge of the grid plate 5, and the extraction opening 15 is communicated with the dismounting opening, so that the user can hold the edge of the filter screen 4 through the extraction opening 15 to pull it out; the handle 16 is a protrusion perpendicular to the grid plate 5, and the user can pull up and rotate the filter screen cover 3 through the protrusion, when the user needs to clean the filter screen 4, the user only needs to hold the handle 16 with one hand and pull it up, drives the filter screen cover 3 and the filter screen 4 to be dislocated from the fan module body 1, and then the filter screen 4 can be taken out from the filter screen extraction opening 15 with the other hand.

[0045] In the filter screen convenient dismounting structure of the embodiment, the fan module body 1 comprises a shell 7, the air inlet is arranged on the top of the shell 7, and the air inlet is provided with limiting plates 8 on both sides for inserting the rotating shaft 6.

[0046] Specifically, the wind wheel 2 is installed in the shell 7, the filter cover 3 is located at the top of the shell 7, the limiting plate 8 is fixedly connected with the shell 7, and the rotating shaft 6 is limited by the limiting plate 8 at both ends, so that the rotating connection between the filter cover 3 and the shell 7 is realized.

[0047] In the filter convenient dismounting structure of the embodiment, the limiting mechanism comprises a limiting block 11 fixedly connected with the filter cover 3 and sleeved on the periphery of the rotating shaft 6, and the limiting block 11 comprises a limiting portion for abutting against the fan module body 1 to limit the opening and closing angle of the filter cover 3.

[0048] In order to prevent the user from lifting the filter cover 3 by the handle 16 to an excessively large angle, causing the user's fingers to be inserted into the gap between the filter cover 3 and the air inlet and to be injured by the wind wheel 2, an opening and closing angle limiting mechanism is arranged on the filter cover 3, the limiting portion is located at the bottom of the limiting block 11, and the side of the limiting portion close to the shell 7 is provided as an inclined surface. When the inclined surface is in abutment with the side surface of the shell 7, the filter cover 3 cannot be further rotated around the rotating shaft 6, so that the limiting is realized.

[0049] Specifically, when the user lifts the filter cover 3 with the hand, the rotating angle of the filter cover 3 matches the inclination angle of the inclined surface. The angle ensures that the dismounting opening is exposed from the shell 7, the user can replace the filter screen 4 at the same time, and the filter cover 3 and the air inlet do not leave a gap, so that the user cannot touch the dangerous components such as the wind wheel 2.

[0050] In the filter convenient dismounting structure of the embodiment, the limiting mechanism comprises a limiting block 11 fixedly connected with the filter cover 3 and sleeved on the periphery of the rotating shaft 6, and the limiting block 11 comprises a limiting portion for abutting against the fan module body 1 to limit the opening and closing angle of the filter cover 3.

[0051] Specifically, the limiting block 12 is arranged to support one end of the filter cover 3 away from the rotating shaft 6, so as to avoid that the filter cover 3 is rotated towards the inside of the shell 7 and causes the wind wheel 2 and other components to be stuck or damaged. Preferably, when the filter cover 3 abuts against the limiting block 12, the filter cover 3 is flush with the air inlet and is in a horizontal position.

[0052] In the filter convenient dismounting structure of the embodiment, the side surface of the shell 7 is provided with a limiting rib, and the limiting rib comprises a first limiting rib 9 and a second limiting rib 10 which abut against both ends of the rotating shaft 6 to limit the rotating shaft 6.

[0053] Specifically, the limiting rib is arranged to limit both ends of the rotating shaft 6, so as to avoid that the rotating shaft 6 is displaced in the horizontal direction and causes the rotating connection to be unstable.

[0054] In the filter convenient dismounting structure of the embodiment, the rotating shaft 6 comprises a horizontal section and a bent section which are perpendicular to each other, the first limiting rib 9 abuts against the end of the horizontal section, and the second limiting rib 10 abuts against the side surface of the bent section.

[0055] Specifically, the rotating shaft 6 is L-shaped, the first limiting rib 9 extends to the same height as the limiting plate 8, and the top surface of the second limiting rib 10 is located below the limiting plate 8. When the rotating shaft 6 is installed, the bent section faces upward, the horizontal section is inserted into the fixing hole on one side of the limiting plate 8, the shaft hole of the connecting seat on the filter cover 3, and the fixing hole on the other side of the limiting plate 8, until the shaft end abuts against the first limiting rib, then the bent section is turned downward and abuts against the second limiting rib 10, thereby limiting the bent section of the rotating shaft 6.

[0056] In the filter screen convenient disassembly structure of the embodiment, the top of the shell 7 is provided with a first magnet 13, the bottom of the filter cover 3 is provided with a second magnet 14, and the first magnet 13 cooperates with the second magnet 14 to facilitate the stable connection of the filter cover 3 and the fan module body 1.

[0057] In order to prevent the filter cover 3 from being buckled on the shell 7 and causing abnormal noise due to vibration of the smoke machine during use, a magnet structure is arranged on the filter cover 3 and the corresponding air inlet of the smoke machine. When the filter cover 3 is closed, the magnets attract each other, and the filter cover 3 is firmly attracted, thereby avoiding easy opening of the filter cover 3 due to abnormal vibration during transportation, installation or external vibration.

[0058] Preferably, the first magnet 13 is arranged on the limiting table 12 and matches the supporting effect of the limiting table 12, thereby ensuring the magnetic attraction fixing effect.

[0059] In the filter screen convenient disassembly structure of the embodiment, the fan module body 1 is provided with two groups and is fixed to the smoke machine body through a fan fixing support 17, the smoke machine body is detachably connected with a cover plate 18, the cover plate 18 is provided with an avoiding groove 19 corresponding to the air inlet, and the filter screen assembly is located in the avoiding groove 19.

[0060] Specifically, two avoiding grooves 19 are arranged on the cover plate 18 to correspond to two filter covers 3, the main structural layout of the fan smoke machine is that the air outlet of the fan module body 1 and the smoke machine display panel are on the same plane, the air inlet of the fan module body 1 is located at the top, the fan module body 1 is fixed to the smoke machine body through a fixing support 17 such as a screw and a buckle, the filter cover 3 is fixed to the fan module body 1 through a rotating shaft 6, the filter screen 4 is installed in the grid, and the fan wheel 2 and the motor are fixed in the fan module body 1 through a bearing and a screw.

[0061] On the other hand, the application also provides a smoke exhaust machine comprising the filter screen convenient disassembly structure of any one of the above embodiments. It can be expected that the smoke exhaust machine in the application comprises all the beneficial effects of the filter screen convenient disassembly structure in the above embodiments, and details are not repeated here.

[0062] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "rotation" and so on term should make broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be direct connection, also can pass through intermediate medium indirect connection, can be two element inside's intercommunication or two element's interaction relation, unless another definite limitation, for the ordinary skill of the art personnel, can understand the above-mentioned term in the utility model's specific meaning according to specific circumstances.

[0063] Although the embodiments of the utility model have been shown and described in detail, those skilled in the art can understand that various changes, modifications, replacements and transformations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A filter screen easy-to-disassemble structure, characterized by comprising: The filter screen assembly is located on the air inlet side of the fan module body to shield the fan wheel in the fan module body, and the filter screen assembly is rotatable relative to the fan module body.

2. The filter screen according to claim 1, wherein The filter screen assembly comprises a filter screen cover, and the filter screen is installed in the filter screen cover.

3. The filter screen according to claim 2, wherein The filter screen cover comprises upper and lower grid plates, and one end of the filter screen cover is provided with a dismounting opening.

4. The filter screen according to claim 2, wherein One end of the filter screen cover is hingedly connected with a rotating shaft, and the rotating shaft is clamped on the fan module body to realize positioning, thereby ensuring stable rotation of the filter screen cover on the fan module body.

5. The filter screen according to claim 4, wherein The fan module body comprises a housing, and the air inlet is formed in the top of the housing.

6. The filter screen according to claim 5, wherein The side surface of the housing is provided with a limiting rib.

7. The filter screen according to claim 6, wherein The rotating shaft comprises a horizontal section and a bent section which are perpendicular to each other.

8. The filter screen according to claim 4, wherein The limiting mechanism comprises a limiting block which is fixedly connected with the filter screen cover and is sleeved on the periphery of the rotating shaft.

9. The filter screen according to claim 4, wherein The limiting mechanism comprises a limiting block which is fixedly connected with the filter screen cover and is sleeved on the periphery of the rotating shaft.

10. The filter screen according to claim 5, wherein The limiting mechanism comprises a limiting block which is fixedly connected with the filter screen cover and is sleeved on the periphery of the rotating shaft.

11. The filter screen according to claim 3, wherein The top of the housing is provided with a first magnet, and the bottom of the filter screen cover is provided with a second magnet.

12. The filter screen according to claim 1, wherein The grid plate is provided with a drawing opening which is located above the dismounting opening to facilitate drawing of the filter screen in the filter screen cover.

13. A range hood characterized by, The fan module body is provided with two groups of fan fixing supports which are fixed to the range hood body. The filter screen convenient dismounting structure comprises the filter screen convenient dismounting structure according to any one of claims 1-12.