Downward suction type oil fume exhaust and integrated stove machine
By integrating an air intake filter, fan assembly, and water collection box into a downdraft range hood, the shortcomings of existing built-in range hood and cooktop structural designs have been solved, enabling convenient disassembly and cleaning, and improving user experience and product performance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGSHAN ANYASI ELECTRONIC TECHNOLOGY CO LTD
- Filing Date
- 2025-06-25
- Publication Date
- 2026-06-09
Smart Images

Figure CN224340190U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of stove design, and more specifically relates to a downdraft exhaust integrated stove. Background Technology
[0002] Currently, the activated carbon filters in built-in range hoods and cooktops on the market are assembled individually. Due to limited installation space and structural design flaws, these devices lack internal sewage discharge functionality, resulting in a poor user experience. Therefore, there is an urgent need for a cooktop that can improve its structural design and enhance the user experience. Utility Model Content
[0003] The main purpose of this utility model is to provide a downdraft exhaust stove that can improve the structural design and take into account the sewage discharge function.
[0004] To achieve the above objectives, the technical solution of this utility model is as follows:
[0005] A downdraft exhaust integrated cooktop includes a cooktop body and an air inlet filter device, as well as an openable and closable drainage component. The cooktop body includes a heating panel and a plurality of heating devices evenly distributed below the heating panel. The air inlet filter device includes an air inlet mesh embedded in the heating panel and a filter component disposed below the air inlet mesh. The output end of the filter component is provided with a fan component, and a water collection box is provided on the side of the filter component away from the fan component. The drainage component includes a first plug connected to one end of the water collection box and a second plug disposed on the fan component.
[0006] According to a first aspect of the present invention, the filter assembly includes an upper fixing ring that engages with the air inlet mesh and a lower storage box disposed below the upper fixing ring, wherein a first filter screen is disposed inside the lower storage box.
[0007] According to a first aspect of the present invention, a second filter screen is provided on each side of the lower storage box.
[0008] According to a first aspect of the present invention, the first filter is V-shaped, and one side of the lower storage box is connected to the fan assembly.
[0009] According to a first aspect of the present invention, a quick-release device is also included. The quick-release device includes a positioning groove provided on one side of the stove body for inserting one end of the water receiving box, and a limiting protrusion provided on the other side of the stove body. One end of the water receiving box is provided with a limiting groove that can engage with the limiting protrusion.
[0010] According to a first aspect of the present invention, the limiting groove and the first plug are both disposed at the same end of the water receiving box.
[0011] According to a first aspect of the present invention, one end of the first plug is inserted into the water receiving box, and the other end of the first plug is provided with a first threaded protrusion that can be inserted into the water receiving box.
[0012] According to a first aspect of the present invention, the fan assembly includes a shroud and a motor disposed within the shroud, wherein the output end of the shroud is provided with at least two splicable air outlet pipes.
[0013] According to a first aspect of the present invention, one end of the second plug is inserted into the flow guide, and the other end of the second plug is provided with a second threaded protrusion that can be inserted into the flow guide.
[0014] According to a first aspect of the present invention, the stove body further includes a control component disposed at one end of the heating panel and a sealing plate fixedly connected to the heating panel.
[0015] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:
[0016] This utility model integrates various functions into one unit by embedding the air intake filter device into the stove body, setting a fan assembly at the output end of the filter assembly, and setting a water collection box on the other side of the filter assembly, thus optimizing the internal structure. Furthermore, by setting a first plug and a second plug on the water collection box and the fan assembly respectively, the sewage discharge function is realized. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Appendix Figure 1 This is an overall structural diagram of one embodiment of the present utility model;
[0019] Appendix Figure 2 This is an exploded view of one embodiment of the present invention;
[0020] Appendix Figure 3 This is a front view of one embodiment of the present invention;
[0021] Appendix Figure 4 This is a bottom view of one embodiment of the present invention;
[0022] Appendix Figure 5 This is a water receiving box structure according to an embodiment of the present utility model. Figure 1 ;
[0023] Appendix Figure 6 This is a water receiving box structure according to an embodiment of the present utility model. Figure 2 ;
[0024] Appendix Figure 7 This is an exploded view of an air intake filter device according to an embodiment of the present invention. Detailed Implementation
[0025] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0026] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0027] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.
[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.
[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.
[0030] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.
[0031] See attached document Figure 1 To be continued Figure 7As shown, a downdraft exhaust integrated stove includes a stove body 1, an air inlet filter 2, an openable and closable drainage component 3, a filter component 4, a fan component 5 disposed at the output end of the filter component 4, a water collection box 6, and a quick-release device 7 for easy disassembly of the water collection box 6, wherein the water collection box 6 is disposed on the side of the filter component 4 away from the fan component 5.
[0032] In one embodiment of the present invention, the stove body 1 includes a heating panel 11, four heating devices 12 evenly distributed below the heating panel 11, a control component 13 disposed at one end of the heating panel 11, and a sealing plate 14 fixedly connected to the heating panel 11.
[0033] In one embodiment of this utility model, the four heating devices 12 are electromagnetic heating devices, the sealing plate 14 is disposed below the heating panel 11 to protect the gap between the heating panel 11 and the heating devices 12, and the control component 13 is disposed on the side of the stove closer to the user.
[0034] In one embodiment of the present invention, the air intake filter device 2 includes an air intake mesh 21 embedded in the heating panel 11 and a filter assembly 4 disposed below the air intake mesh 21. The filter assembly 4 includes an upper fixing ring 41 that is snapped into the air intake mesh 21 and a lower storage box 42 disposed below the upper fixing ring 41. A first filter screen 43 is disposed inside the lower storage box 42, and one side of the lower storage box 42 is connected to the fan assembly 5.
[0035] In one embodiment of this utility model, a second filter 44 is provided on both sides of the lower storage box 42. The shape of the second filter 44 matches the shape of the opening on both sides of the lower storage box 42 to improve the smoke collection effect. The first filter 43 is V-shaped and matches the shape of the lower storage box 42. One side of the V-shaped surface corresponds to the inlet of the flow guide hood 51 to improve the smoke collection efficiency.
[0036] In one embodiment of this utility model, the drainage component 3 includes a first plug 31 connected to one end of the water receiving box 6 and a second plug 32 disposed on the fan component 5. One end of the first plug 31 is inserted into the water receiving box 6, and the other end of the first plug 31 is provided with a first threaded protrusion 311 of rubber material that can be inserted into the water receiving box 6. The side of the water receiving box 6 near the user's standing position is provided with a first mounting hole into which the first threaded protrusion 311 can be inserted. The diameter of the first mounting hole is smaller than the diameter of the first threaded protrusion 311 to ensure that there is no leakage after fastening.
[0037] In one embodiment of this utility model, the second plug 32 is a rubber component. One end of the second plug 32 is inserted into the flow guide 51, and the other end of the second plug 32 is provided with a second threaded protrusion 321 that can be inserted into the flow guide 51. The flow guide 51 is provided with a second mounting hole on the side near the user's standing position, into which the second threaded protrusion 321 can be inserted. The diameter of the second mounting hole is smaller than the diameter of the second threaded protrusion 321 to ensure that there is no water leakage after fastening.
[0038] In one embodiment of this utility model, the quick-release device includes a positioning groove on one side of the stove body 1 into which one end of the water receiving box 6 can be inserted, a limiting protrusion 71 on the other side of the stove body 1, and a limiting groove 72 on one end of the water receiving box 6 that can engage with the limiting protrusion 71. The limiting groove 72 and the first plug 31 are both located at the same end of the water receiving box 6, that is, on the side closer to the user's standing position, thereby realizing the reverse positioning function, which is easy to install, and can be disassembled and installed at will when the user disassembles and cleans, making it convenient to operate.
[0039] In one embodiment of the present invention, the fan assembly 5 includes a guide shroud 51 and a motor 52 disposed inside the guide shroud 51. The output end of the guide shroud 51 is provided with two splicable air outlet pipes 53. The two air outlet pipes 53 are disposed at the end of the heating panel 11 away from the control assembly 13, that is, on the side away from the user's standing position, so as to avoid being affected by the smoke.
[0040] This downdraft exhaust integrated cooktop addresses the shortcomings of existing technologies by incorporating an embedded water collection box 6 and a quick-release mechanism with a snap-fit structure, allowing users to easily disassemble and clean it. The positioning groove also enables the water collection box 6 to be positioned in reverse for easy installation. The drain assembly 3 allows wastewater to be discharged when opened, facilitating the removal of stains. By integrating all these structures into a single unit, it boasts excellent sealing, simple operation, compact structure, and high practicality, significantly improving product performance and structural strength. This results in a clean and aesthetically pleasing appearance, easy installation, and simple and convenient cleaning.
[0041] Although embodiments of the present invention have been shown and described, those skilled in the art will understand 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 claims and their equivalents.
Claims
1. A downdraft exhaust integrated stove, comprising a stove body (1) and an air intake filter device (2), characterized in that, It also includes an openable and closable drainage component (3). The stove body (1) includes a heating panel (11) and a plurality of heating devices (12) evenly distributed below the heating panel (11). The air intake filter device (2) includes an air intake mesh (21) embedded in the heating panel (11) and a filter component (4) disposed below the air intake mesh (21). The output end of the filter component (4) is provided with a fan component (5). A water collection box (6) is provided on the side of the filter component (4) away from the fan component (5). The drainage component (3) includes a first plug (31) connected to one end of the water collection box (6) and a second plug (32) disposed on the fan component (5).
2. The downdraft range hood integrated cooker of claim 1, wherein: The filter assembly (4) includes an upper fixing ring (41) that snaps into the air inlet mesh (21) and a lower storage box (42) disposed below the upper fixing ring (41), wherein a first filter (43) is disposed inside the lower storage box (42).
3. The downdraft range hood integrated cooker of claim 2, wherein: The lower storage box (42) is provided with a second filter (44) on both sides.
4. The downdraft range hood integrated cooker of claim 2, wherein: The first filter (43) is V-shaped, and one side of the lower storage box (42) is connected to the fan assembly (5).
5. The downdraft range hood integrated cooker of claim 1, wherein: It also includes a quick-release device, which includes a positioning groove on one side of the stove body (1) into which one end of the water receiving box (6) can be inserted, and a limiting protrusion (71) on the other side of the stove body (1). One end of the water receiving box (6) is provided with a limiting groove (72) that can be engaged with the limiting protrusion (71).
6. The downdraft exhaust integrated stove according to claim 5, characterized in that: The limiting groove (72) and the first plug (31) are both located at the same end of the water receiving box (6).
7. The downdraft exhaust integrated stove according to claim 6, characterized in that: One end of the first plug (31) is inserted into the water receiving box (6), and the other end of the first plug (31) is provided with a first threaded protrusion (311) that can be inserted into the water receiving box (6).
8. The downdraft exhaust integrated stove according to claim 1, characterized in that: The fan assembly (5) includes a shroud (51) and a motor (52) disposed inside the shroud (51). The output end of the shroud (51) is provided with at least two splicable air outlet pipes (53).
9. The downdraft exhaust integrated stove according to claim 8, characterized in that: One end of the second plug (32) is inserted into the flow guide (51), and the other end of the second plug (32) is provided with a second threaded protrusion (321) that can be inserted into the flow guide (51).
10. The downdraft exhaust integrated stove according to claim 1, characterized in that: The stove body (1) also includes a control component (13) provided at one end of the heating panel (11) and a sealing plate (14) fixedly connected to the heating panel (11).