Filter screen convenient to clean

By designing an installation mechanism including installation frame, guide rod, movable plate, limit rod and screw knob, the problem of filtering in the range hood being affected by oil stain blockage and inconvenient removal of the filtering net is solved, and the rapid installation and disassembly of the filter net is realized, simplifying the cleaning process.

CN222829273UActive Publication Date: 2025-05-06SHENYANG SHUGUANG NET IND CO LTD
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Patent Information

Application Number
CN202421832662.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-05-06
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The filter mesh in the existing range hood is likely to affect the filtering effect due to oil stains after long-term use, and due to inconvenient fixing method, it is difficult to clean and disassemble.

Method used

An installation mechanism including a mounting frame, a guide rod, a movable plate, a limit rod and a screw knob is designed. Through this mechanism, the filter body is quickly installed and removed at the air inlet at the bottom end of the range hood for easy cleaning.

Benefits of technology

The filter screen is quickly installed and disassembled, simplified the cleaning process, and avoided operational difficulties caused by inconvenient fixation method.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a filter screen convenient to clean, which belongs to the field of filter screens and comprises a range hood and a filter screen body, an arranged mounting mechanism is matched with the filter screen body for use, and the filter screen body is manually positioned and mounted in a mounting frame mounted at an air inlet of the bottom surface of the range hood through a handle and a positioning block. Screw knobs on the two sides of the mounting frame are rotated, the screw knobs drive movable plates through rotating rods, so that the movable plates move towards the inner side of the inner cavity along the guide rods, and limiting rods penetrate through through holes to be inserted into limiting holes, so that the filter screen body can be quickly mounted on the range hood; when the filter screen is used, a user only needs to reversely rotate a screw knob to drive a movable plate to move towards the outer side through a check block at the inner side end of a rotating rod, and after a limiting rod is moved out of a limiting hole, the filter screen body is detached through a handle, so that the purpose of conveniently detaching and cleaning the filter screen body is achieved, and the filter screen body is convenient to detach and use.
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Description

Technical Field

[0001] The utility model relates to the field of filter screens, in particular to a filter screen which is easy to clean. Background Art

[0002] A filter is a device used to filter and separate substances. It captures, blocks or passes substances of different sizes through its specific structure and material. Filters can be classified according to different uses and needs. The materials and structures of filters vary according to their application scenarios and needs, including but not limited to textile fibers, hardware materials, etc. Their characteristics include direct filtration, simple process, good air permeability, uniform and stable precision, no leakage, good regeneration performance, etc. The correct selection and use of filters is essential to improving product quality, protecting the environment, and maintaining the normal operation of equipment.

[0003] In the prior art, the filter, as one of the important components of the range hood, can effectively filter the oil smoke. However, after long-term use, the oil stains will clog the mesh of the filter and affect the filtering effect. Therefore, the filter needs to be removed and cleaned regularly. However, the filter used in the existing range hood is generally fixed to the air inlet at the bottom of the range hood by bolts, which makes it inconvenient to remove the filter when it needs to be cleaned later, thereby bringing inconvenience to the installation, disassembly and cleaning operations of the filter. Utility Model Content

[0004] The main purpose of the utility model is to provide a filter screen that is easy to clean, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A filter that is easy to clean comprises a range hood and a filter body, wherein the filter body is fixedly connected to the bottom air inlet of the range hood via a mounting mechanism, and the mounting mechanism comprises a mounting frame, a guide rod, a movable plate, a limit rod and a screw knob, the mounting frame is fixedly connected to the bottom surface of the range hood, and a group of symmetrical guide rods are fixedly connected to the two sides of the mounting frame respectively, the movable plate is movably connected to the guide rods via connecting holes on the side walls, and the limit rods are fixedly connected to the inner side walls of the movable plate, the screw knob is movably connected to the threaded holes on the side walls of the mounting frame, and the screw knob is movably connected to the movable plate via a rotating rod at the inner end.

[0007] Preferably, the mounting frame is fixedly installed on the bottom surface of the range hood, and positioning grooves are respectively provided on the front and rear side walls of the mounting frame, inner cavities are respectively provided in the left and right side walls of the mounting frame, and threaded holes are provided on the inner outer side walls of the inner cavity, a group of symmetrical through holes are provided on the inner inner side walls of the inner cavity, and a group of symmetrical guide rods are also fixedly installed inside the inner cavity.

[0008] Preferably, a group of symmetrical connecting holes are opened on the side wall of the movable plate, and the movable plate is movably installed together with the guide rod through the connecting holes, a group of symmetrical limiting rods are fixedly installed on the inner side wall of the movable plate, and the limiting rods are inserted and installed in the through holes, and a rotating hole is also opened on the side wall of the movable plate.

[0009] Preferably, the screw knob is threadedly connected to the threaded hole, and a rotating rod is fixedly mounted on the inner end of the screw knob. The rotating rod is movably mounted in the rotating hole, and a stopper is also fixedly mounted on the inner end of the rotating rod.

[0010] Preferably, a group of symmetrical positioning blocks corresponding to the positioning grooves are fixedly mounted on the front and rear side walls of the filter body, respectively, and a handle is also fixedly mounted between the bottom surfaces of the left-right symmetrical positioning blocks.

[0011] Preferably, a group of symmetrical limiting holes are respectively provided on the left and right side walls of the filter body.

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

[0013] The utility model provides an installation mechanism for use with the filter body. After the filter body is manually positioned and installed in the installation frame installed at the air inlet position of the bottom surface of the range hood through the handle and the positioning block, the screw knobs on both sides of the installation frame are rotated. The screw knobs will drive the movable plate through the rotating rod to move the movable plate in the inner direction along the guide rod in the inner cavity, so that the limit rod passes through the through hole and is inserted into the limit hole, so that the filter body can be quickly installed on the range hood. When disassembly is required, it is only necessary to rotate the screw knob in the opposite direction to drive the movable plate to move in the outer direction through the stopper at the inner end of the rotating rod, so that the limit rod is moved out of the limit hole, and the filter body can be disassembled through the handle, thereby achieving the purpose of facilitating the disassembly and cleaning of the filter body and facilitating the disassembly and assembly of the filter body. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the overall structure of the filter body of the utility model;

[0016] Figure 3It is a schematic diagram of the structural disassembly of the installation mechanism of the utility model.

[0017] In the figure: 1. range hood; 2. filter body; 3. mounting mechanism; 4. positioning block; 5. handle; 6. limit hole; 7. mounting frame; 8. inner cavity; 9. threaded hole; 10. through hole; 11. guide rod; 12. movable plate; 13. connecting hole; 14. limit rod; 15. rotating hole; 16. screw knob; 17. rotating rod; 18. block; 19. positioning groove. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0019] like Figure 1 - Figure 3 As shown, a filter screen that is easy to clean includes a range hood 1 and a filter screen body 2, the filter screen body 2 is fixedly connected to the bottom air inlet of the range hood 1 through a mounting mechanism 3, and the mounting mechanism 3 includes a mounting frame 7, a guide rod 11, a movable plate 12, a limit rod 14 and a screw knob 16, the mounting frame 7 is fixedly connected to the bottom surface of the range hood 1, and a group of symmetrical guide rods 11 are fixedly connected to the two sides of the mounting frame 7, respectively, the movable plate 12 is movably connected to the guide rods 11 through the connecting holes 13 on the side wall, and the limit rod 14 is fixedly connected to the inner wall of the movable plate 12, the screw knob 16 is movably connected to the threaded hole 9 on the side wall of the mounting frame 7, and the screw knob 16 is movably connected to the movable plate 12 through the rotating rod 17 at the inner end.

[0020] like Figure 1 - Figure 3As shown, in this embodiment, in order to facilitate the installation and removal of the filter body 2 for cleaning through the installation mechanism 3, the installation frame 7 is fixedly installed on the bottom surface of the range hood 1, and positioning grooves 19 are respectively opened on the front and rear side walls of the installation frame 7, and inner cavities 8 are respectively opened in the left and right side walls of the installation frame 7, and threaded holes 9 are opened on the inner outer side walls of the inner cavity 8, and a group of symmetrical through holes 10 are opened on the inner inner side walls of the inner cavity 8, and a group of symmetrical guide rods 11 are also fixedly installed inside the inner cavity 8, and a group of symmetrical connecting holes 13 are opened on the side walls of the movable plate 12, and the movable plate 12 is movably installed with the guide rods 11 through the connecting holes 13, and the inner side walls of the movable plate 12 are A set of symmetrical limiting rods 14 are fixedly installed, and the limiting rods 14 are inserted and installed in the through hole 10. A rotating hole 15 is also opened on the side wall of the movable plate 12. The screw knob 16 is threadedly connected with the threaded hole 9, and a rotating rod 17 is fixedly installed on the inner side end of the screw knob 16. The rotating rod 17 is movably installed in the rotating hole 15, and a stopper 18 is also fixedly installed on the inner side end of the rotating rod 17. A set of symmetrical positioning blocks 4 corresponding to the positioning groove 19 are respectively fixedly installed on the front and rear side walls of the filter body 2, and a handle 5 is also fixedly installed between the bottom surfaces of the left and right symmetrical positioning blocks 4. A set of symmetrical limiting holes 6 are also opened on the left and right side walls of the filter body 2;

[0021] The specific use principle of the mounting mechanism 3 in conjunction with the filter body 2 is as follows:

[0022] During installation, the filter body 2 is lifted by the handle 5 and installed in the frame of the installation frame 7 installed at the air inlet of the bottom surface of the range hood 1. During the installation process, the positioning blocks 4 installed on the front and rear side walls of the filter body 2 are aligned with the positioning grooves 19 provided on the front and rear side walls of the frame 7, and the positioning blocks 4 are installed in the positioning grooves 19 accordingly. In this way, the filter body 2 can be positioned and installed in the frame of the installation frame 7. Subsequently, the screw knobs 16 located on the left and right sides of the installation frame 7 are rotated in turn. The rod knob 16 realizes a threaded rotation operation in the threaded hole 9 opened on the outer wall of the inner cavity 8 opened in the two side walls of the installation frame 7, and drives the rotating rod 17 installed on the inner end to rotate in the rotating hole 15 opened on the side wall of the movable plate 12, and after continuously rotating the screw knob 16, the rotating rod 17 pushes the movable plate 12 inwardly, and the movable plate 12 moves inwardly in the inner cavity 8 through the connecting hole 13 opened on the side wall along the symmetrical guide rod 11 installed in the inner cavity 8. The filter body 2 is moved until the limiting rod 14 installed on the outer side of the movable plate 12 passes through the through hole 10 opened on the inner wall of the inner cavity 8 and is inserted into the limiting holes 6 opened on the left and right side walls of the filter body 2 in the installation frame 7, and the screw knob 16 cannot be rotated. In this way, the filter body 2 can be quickly installed on the range hood 1, thereby facilitating the installation operation on the range hood 1. When it is necessary to disassemble and clean, the screw knob 16 is manually rotated in reverse order, and the inner end of the screw knob 16 is installed. The rotating rod 17 rotates in the rotating hole 15, and the stopper 18 installed at the inner end of the rotating rod 17 will drive the movable plate 12 to move outward in the inner cavity 8 through the rotation of the screw knob 16, until the limiting rod 14 installed on the inner wall of the movable plate 12 moves out from the inside of the limiting hole 6, and finally, the filter body 2 is taken out of the frame of the installation frame 7 through the handle 5, thereby achieving the purpose of facilitating the disassembly and cleaning of the filter body 2 and facilitating the disassembly and assembly of the filter body 2 on the range hood 1.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, various improvements may be made to the present invention and its components may be replaced by equivalents, or some of its technical features may be replaced by equivalents without departing from the scope of the present invention. All that is within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A filter screen that is easy to clean, comprising a range hood (1) and a filter screen body (2), characterized in that: The filter body (2) is fixedly connected to the air inlet at the bottom end of the range hood (1) through a mounting mechanism (3), and the mounting mechanism (3) comprises a mounting frame (7), a guide rod (11), a movable plate (12), a limit rod (14) and a screw knob (16). The mounting frame (7) is fixedly connected to the bottom surface of the range hood (1), and a group of symmetrical guide rods (11) are fixedly connected to the two sides of the mounting frame (7). The movable plate (12) is movably connected to the guide rods (11) through a connecting hole (13) on the side wall, and the limit rod (14) is fixedly connected to the inner side wall of the movable plate (12). The screw knob (16) is movably connected to the threaded hole (9) on the side wall of the mounting frame (7), and the screw knob (16) is movably connected to the movable plate (12) through a rotating rod (17) at the inner end.

2. The filter screen that is easy to clean according to claim 1, characterized in that: The mounting frame (7) is fixedly mounted on the bottom surface of the range hood (1), and positioning grooves (19) are respectively provided on the front and rear side walls of the mounting frame (7), inner cavities (8) are respectively provided on the left and right side walls of the mounting frame (7), and threaded holes (9) are provided on the inner outer side walls of the inner cavity (8), a group of symmetrical through holes (10) are provided on the inner inner side walls of the inner cavity (8), and a group of symmetrical guide rods (11) are also fixedly mounted inside the inner cavity (8).

3. The filter screen that is easy to clean according to claim 2, characterized in that: A group of symmetrical connecting holes (13) are provided on the side wall of the movable plate (12), and the movable plate (12) is movably mounted together with the guide rod (11) through the connecting holes (13). A group of symmetrical limiting rods (14) are fixedly mounted on the inner side wall of the movable plate (12), and the limiting rods (14) are inserted and installed in the through holes (10). A rotating hole (15) is also provided on the side wall of the movable plate (12).

4. The filter screen that is easy to clean according to claim 3, characterized in that: The screw knob (16) is threadedly connected to the threaded hole (9), and a rotating rod (17) is fixedly mounted on the inner end of the screw knob (16). The rotating rod (17) is movably mounted in the rotating hole (15), and a stopper (18) is also fixedly mounted on the inner end of the rotating rod (17).

5. The filter screen that is easy to clean according to claim 4, characterized in that: A group of symmetrical positioning blocks (4) corresponding to the positioning grooves (19) are fixedly mounted on the front and rear side walls of the filter body (2), and a handle (5) is fixedly mounted between the bottom surfaces of the left and right symmetrical positioning blocks (4).

6. The filter screen that is easy to clean according to claim 5, characterized in that: A group of symmetrical limiting holes (6) are respectively provided on the left and right side walls of the filter body (2).