Novel oil smoke filter screen

Abstract

The utility model discloses a novel oil smoke filter screen. The range hood comprises a front net and a rear net which are matched with each other, a first lampblack cavity sunken backwards is formed in the middle of the front net, a plurality of transversely-arranged first lampblack holes are formed in the back face of the first lampblack cavity, the first lampblack holes are long-strip-shaped and extend from the upper end of the front net to the lower end of the front net, and first oil filtering convex edges protruding backwards are arranged on the back face between the first lampblack holes. A first oil filtering convex edge is formed in the front net, a second oil smoke cavity is formed in the rear net, a second oil smoke hole corresponding to the first oil filtering convex edge is formed in the back face of the second oil smoke cavity, a second oil filtering convex edge protruding forwards is arranged at the edge of the second oil smoke hole, the front end of the second oil filtering convex edge is located in the first oil filtering convex edge, and an S-shaped negative pressure area is formed through the first oil smoke cavity sunken backwards. And then the oil fume is wound around the first oil fume hole, the first oil filtering convex edge, the second oil filtering convex edge and the second oil fume hole by a circle in an S shape, so that a better oil filtering effect is achieved, and the oil fume filter has the characteristics of ingenious structure, convenience and practicability.

Description

Technical Field

[0001] The utility model relates to an oil fume filter screen, in particular to a novel oil fume filter screen for a range hood. Background Art

[0002] The kitchen produces a lot of fumes when cooking, which will affect the normal work and health of kitchen staff. Therefore, the air in the kitchen needs to be discharged. However, in order to avoid the kitchen air mixed with fumes causing secondary pollution to the outside air, it is best to filter the fumes in the kitchen air before discharging them. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a new type of oil fume filter, which can effectively solve the problem of filtering oil fume from kitchen range hoods. An S-shaped negative pressure area is formed by a first oil fume cavity that is recessed backwards, and then the oil fume is S-shaped around the first oil fume hole, the first oil filter convex edge, the second oil filter convex edge and the second oil fume hole, thereby achieving a better oil filtering effect. The utility model has the characteristics of ingenious structure, convenience and practicality.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a new type of oil fume filter, comprising a front net and a rear net that cooperate with each other, characterized in that: a first oil fume chamber that is recessed backward is provided in the middle of the front net, the first oil fume chamber is a trapezoidal body that is larger in front and smaller in the rear, a plurality of first oil fume holes arranged transversely are provided on the back of the first oil fume chamber, the first oil fume holes are long strips extending from the upper end to the lower end of the front net, a first oil filter convex edge that protrudes backward is provided on the back between the first oil fume holes, and the first oil filter convex edge is annular;

[0005] The rear net is provided with a second oil fume chamber for placing the front net, the back side of the second oil fume chamber is provided with a second oil fume hole corresponding to the first oil filter convex edge, the edge of the second oil fume hole is provided with a second oil filter convex edge protruding forward, the front end of the second oil filter convex edge is located inside the first oil filter convex edge, and a gap for air passage is provided between the first oil filter convex edge and the second oil filter convex edge.

[0006] Furthermore, a plurality of vertically arranged first mounting holes are provided on the back side of the top of the front net, a first fixing hole is provided on the rear side of the first mounting hole, a first marble assembly is provided in the first mounting hole, and a fixing bolt for fixing the first marble assembly is provided in the first fixing hole.

[0007] Furthermore, a plurality of marble slots are provided on the top of the second oil fume chamber, and the marble slots cooperate with the first marble assembly.

[0008] Furthermore, a plurality of vertically arranged second mounting holes are provided on the back side of the top of the rear net, a second fixing hole is provided on the rear side of the second mounting hole, a second marble assembly is provided in the second mounting hole, and a fixing bolt for fixing the second marble assembly is provided in the second fixing hole.

[0009] Furthermore, an oil drop hole is provided below the second oil fume chamber, and a support block protruding backwards is provided at the front side of the oil drop hole.

[0010] Furthermore, a plurality of positioning slots are provided at the bottom of the front net, and the positioning slots cooperate with the support blocks.

[0011] Furthermore, a taking-in and putting hole is provided at the center of the top of the first oil fume chamber, and the taking-in and putting hole is circular, polygonal or elliptical.

[0012] The utility model adopts the above-mentioned technical scheme, overcomes the shortcomings of the background technology, and provides a new type of oil fume filter, which can effectively solve the problem of filtering oil fume from kitchen range hoods. An S-shaped negative pressure area is formed by a first oil fume cavity that is recessed backwards, and then the oil fume is S-shaped around the first oil fume hole, the first oil filter convex edge, the second oil filter convex edge and the second oil fume hole, thereby achieving a better oil filtering effect. The utility model has the characteristics of ingenious structure, convenience and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attached Figure 1 It is a structural schematic diagram of the utility model.

[0014] Attached Figure 2 It is a schematic diagram of the split structure of the utility model.

[0015] Attached Figure 3 It is a structural schematic diagram of the front net in the utility model.

[0016] Attached Figure 4 It is a structural schematic diagram of the rear net in the utility model.

[0017] In the figure: front net 1, first oil fume chamber 101, first oil fume hole 102, first oil filter convex edge 103, first mounting hole 104, first fixing hole 105, positioning slot 106, take-in and put-out hole 107, rear net 2, second oil fume chamber 201, second oil fume hole 202, second oil filter convex edge 203, marble slot 204, second mounting hole 205, second fixing hole 206, oil drop hole 207, support block 208, first marble assembly 3, second marble assembly 4. DETAILED DESCRIPTION

[0018] The following descriptions of the embodiments are made with reference to the attached drawings to illustrate specific embodiments in which the present invention may be implemented. The directional terms mentioned in the present invention, such as up, down, front, back, left, right, inside, outside, side, etc., are only used with reference to the attached drawings. Therefore, the directional terms used are used to illustrate and understand the present invention, but are not used to limit the present invention. In the drawings, units with similar structures are represented by the same reference numerals.

[0019] The following further describes the specific implementation modes of the present invention in conjunction with the accompanying drawings to make the technical solutions and beneficial effects of the present invention clearer and more specific.

[0020] See attached Figures 1 to 4 The utility model comprises a front net 1 and a rear net 2 which cooperate with each other, and is characterized in that: a first oil fume chamber 101 which is recessed backward is provided in the middle of the front net 1, the first oil fume chamber 101 is a trapezoidal body which is larger in front and smaller in the rear, a plurality of first oil fume holes 102 which are arranged transversely are provided on the back of the first oil fume chamber 101, the first oil fume holes 102 are long strips extending from the upper end to the lower end of the front net 1, a first oil filter convex edge 103 which is protruding backward is provided on the back between the first oil fume holes 102, and the first oil filter convex edge 103 is annular;

[0021] The rear net 2 is provided with a second oil fume chamber 201 for placing the front net 1, and the back side of the second oil fume chamber 201 is provided with a second oil fume hole 202 corresponding to the first oil filter ridge 103, and the edge of the second oil fume hole 202 is provided with a second oil filter ridge 203 protruding forward, and the front end of the second oil filter ridge 203 is located inside the first oil filter ridge 103, and a gap for air passage is provided between the first oil filter ridge 103 and the second oil filter ridge 203.

[0022] Furthermore, a plurality of vertically arranged first mounting holes 104 are provided on the back side of the top of the front net 1, a first fixing hole 105 is provided on the rear side of the first mounting hole 104, a first marble assembly 3 is provided in the first mounting hole 104, and a fixing bolt (not shown in the figure) for fixing the first marble assembly 3 is provided in the first fixing hole 105.

[0023] Furthermore, a plurality of marble slots 204 are provided on the top of the second oil fume chamber 201 , and the marble slots 204 cooperate with the first marble assembly 3 .

[0024] Furthermore, a plurality of vertically arranged second mounting holes 205 are provided on the back side of the top of the rear net 2, a second fixing hole 206 is provided on the rear side of the second mounting hole 205, a second marble assembly 4 is provided in the second mounting hole 205, and a fixing bolt (not shown in the figure) for fixing the second marble assembly 4 is provided in the second fixing hole 206.

[0025] Furthermore, an oil drop hole 207 is provided below the second oil fume chamber 201 , and a support block 208 protruding backwards is provided at the front side of the oil drop hole 207 .

[0026] Furthermore, a plurality of positioning slots 106 are provided at the bottom of the front net 1 , and the positioning slots 106 cooperate with the support blocks 208 .

[0027] Furthermore, a taking-in and putting hole 107 is provided at the center of the top of the first oil fume chamber 101 , and the taking-in and putting hole 107 is circular, polygonal or elliptical.

[0028] When in use, the range hood is provided with a position for placing the front net 1 and the rear net 2, and a plurality of slots matching with the second marble assembly 4 are provided at the top of the position; first, the front net 1 is tilted from front to back, and its bottom is inserted into the oil drop hole 207 of the rear net 2, and the positioning slot 106 on the front net 1 is snapped into the support block 208 of the rear net 2, and then the upper end of the front net 1 is pushed backward, so that the first marble assembly 3 at the top of the front net 1 is snapped into the marble slot 204 of the rear net 2. Since the first marble assembly 3 and the second marble assembly 4 are used for both placement and disassembly, disassembly and assembly are very convenient and no tools are required. In addition, the corners of the front net 1 and the rear net 2 are rounded, and there are no dead corners for dirt to hide, which is convenient for cleaning.

[0029] Through the description of the above structure and principle, technicians in the relevant technical field should understand that the present invention is not limited to the above-mentioned specific implementation methods, and improvements and substitutions based on the present invention using the known technology in the field all fall within the protection scope of the present invention and should be defined by the claims.

[0030] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, it can be a mechanical connection, or an electrical connection, it can be a direct connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples, unless they are contradictory.

[0034] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A novel oil fume filter, comprising a front mesh and a rear mesh that cooperate with each other, characterized in that: A first oil fume chamber is provided in the middle of the front net, which is concave backward. The first oil fume chamber is a trapezoidal body that is larger in the front and smaller in the back. A plurality of first oil fume holes are arranged transversely on the back of the first oil fume chamber. The first oil fume holes are long strips extending from the upper end to the lower end of the front net. A first oil filter ridge is provided on the back between the first oil fume holes, which is protruding backward. The first oil filter ridge is annular. The rear net is provided with a second oil fume chamber for placing the front net, the back of the second oil fume chamber is provided with a second oil fume hole corresponding to the first oil filter convex edge, the edge of the second oil fume hole is provided with a second oil filter convex edge protruding forward, the front end of the second oil filter convex edge is located inside the first oil filter convex edge, and a gap for air passage is provided between the first oil filter convex edge and the second oil filter convex edge.

2. The novel oil fume filter according to claim 1, characterized in that: A plurality of vertically arranged first mounting holes are provided on the back of the top of the front net, a first fixing hole is provided on the rear side of the first mounting hole, a first marble assembly is provided in the first mounting hole, and a fixing bolt for fixing the first marble assembly is provided in the first fixing hole.

3. The novel oil fume filter according to claim 2, characterized in that: A plurality of marble slots are provided on the top of the second oil fume chamber, and the marble slots cooperate with the first marble assembly.

4. The novel oil fume filter according to claim 1 is characterized in that: A plurality of vertically arranged second mounting holes are provided on the back of the top of the rear net, a second fixing hole is provided on the rear side of the second mounting hole, a second marble assembly is provided in the second mounting hole, and a fixing bolt for fixing the second marble assembly is provided in the second fixing hole.

5. The novel oil fume filter according to claim 1 is characterized in that: An oil drop hole is provided below the second oil fume chamber, and a support block protruding backwards is provided on the front side of the oil drop hole.

6. The novel oil fume filter according to claim 5, characterized in that: The bottom of the front net is provided with a plurality of positioning slots, and the positioning slots are matched with the support blocks.

7. The novel oil fume filter according to claim 1 is characterized in that: A taking-in and putting hole is provided at the center of the top of the first oil fume chamber, and the taking-in and putting hole is circular, polygonal or elliptical.

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