Range hood with double oil nets

Abstract

A double-oil-net range hood comprises a machine shell, a first oil net, an air cabinet, a fan and a second oil net, the machine shell comprises a smoke guide hole and a smoke collecting cavity which are formed in the top, and an oil net mounting hole is formed in a rear back plate of the smoke collecting cavity; a lower opening hole is formed in a wall plate of the air cabinet; the air cabinet is arranged at the top of the enclosure and corresponds to the smoke guide hole; the lower opening hole and a top plate of the enclosure form an access hole; the second oil screen is in-out fit with the access hole, is sealed with the access hole and covers the smoke guide hole; the second oil screen enters and exits the air cabinet through the access hole. A first oil screen is arranged on a rear back plate of the smoke collecting cavity for primary oil-smoke separation, and a second oil screen is arranged on a smoke guide hole in a top plate of the machine shell for secondary oil-smoke separation; smoke entering the air cabinet is basically free of oil gas, so that the air cabinet and the centrifugal fan are free of cleaning; the second oil screen is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to a range hood. Background Art

[0002] The current prior art is Chinese Patent 201621399396.2, a range hood, comprising a casing, a panel, a wind cabinet, a centrifugal fan, an oil net and an oil collecting box, the front part of the casing comprising an edge plate part and a panel part, the center of the panel part is provided with an oil fume collecting chamber, and a guide hole is provided on the back plate of the oil fume collecting chamber; the upper and lower glass panels are fixedly connected to the upper and lower panel parts of the oil fume collecting chamber respectively; the middle guide plate is opposite to the front opening of the oil fume collecting chamber, and there is a guide gap between the upper end and the inclined plate of the middle guide plate and the top and bottom wall plates of the oil fume collecting chamber; the long strip oil fume guide holes are arranged in rows on the middle guide plate, the upper ends of the middle guide plate are pivotally connected to the two side wall plates of the oil fume collecting chamber, and the lower end is connected to the oil fume collecting chamber through a detachable device; the middle guide plate rotates with the oil fume collecting chamber to conveniently clean the oil fume collecting chamber, and on the other hand, it can also be extended into the casing to clean the casing. The existing problems are: the long oil fume holes have poor oil fume separation performance, and the oil net is located at the top of the casing, which is inconvenient to disassemble and assemble. Utility Model Content

[0003] The utility model aims to provide a double oil net range hood, which has the characteristics of double oil net graded oil fume separation and wind cabinet free of cleaning.

[0004] The utility model is realized in this way: a double oil net range hood, which is special in that it includes a housing, a first oil net, a wind cabinet, a fan and a second oil net,

[0005] The housing includes a smoke guide hole and a smoke collecting chamber arranged at the top, and an oil net installation hole is arranged on the back plate of the smoke collecting chamber;

[0006] The wall plate of the wind cabinet is provided with a lower opening hole;

[0007] The wind cabinet is arranged on the top of the casing and corresponds to the smoke guide hole. The lower opening hole and the top plate of the casing constitute the inlet and outlet holes. The second oil net cooperates with the inlet and outlet holes and is sealed with the inlet and outlet holes. The oil net covers the smoke guide hole. The second oil net enters and exits the wind cabinet from the inlet and outlet holes.

[0008] The double oil net range hood described above is special in that the second oil net comprises a square frame, a front end plate and a square net body.

[0009] The lower opening hole is arranged at the lower end of the front wall plate of the wind cabinet;

[0010] The square frame covers the smoke guide hole, and the front end plate is embedded and sealed with the inlet and outlet holes.

[0011] The double oil screen range hood described above is special in that it also includes a right-angled seat plate, which includes a vertical plate and a horizontal track plate.

[0012] The horizontal track plate is fixed to the top plate of the casing in the wind cabinet, the horizontal track extends above the two ends of the smoke guide hole, the horizontal track plate supports the second oil net, and the second oil net is slidably matched with the right-angle seat plate.

[0013] The double oil screen range hood is special in that a visible handle or a concealed handle is provided on the front end panel.

[0014] The double oil screen range hood described above is special in that it also includes a right-angle seat plate, which includes a vertical plate and a horizontal track plate;

[0015] A stop notch is provided at the lower end of the front wall plate;

[0016] The right-angled seat plate is arranged on the left and right sides of the smoke guide hole, and the vertical plate is fixed to the wall of the smoke guide hole. The second oil net is embedded in the smoke guide hole, and the horizontal track plate supports the second oil net. The second oil net is slidably matched with the horizontal track plate; the stop notch is stopped with the front wall plate of the smoke guide hole.

[0017] The special feature of the double oil screen range hood is that a handle is provided on the front end panel.

[0018] The double oil screen range hood described above is special in that: a hand-gripping groove along the left and right directions is provided on the top plate of the stop notch.

[0019] It also includes a pneumatic push rod, a magnetic push rod, a spring push rod or an electric push rod, which is arranged on the top plate of the casing and adjacent to the vertical plate. Its main body is fixed to the top plate, and the piston rod is connected to both ends of the front end plate.

[0020] The double oil screen range hood is special in that the square screen body is composed of a top filter screen, a filter, a middle filter screen and a bottom filter screen stacked from top to bottom.

[0021] The utility model discloses a double-oil-net range hood, wherein a first oil net is arranged on the back plate of a smoke collecting chamber for primary oil-fume separation, and a second oil net is arranged on a smoke guide hole on a top plate of a casing for secondary oil-fume separation; the smoke entering the wind cabinet is substantially free of oil and gas, and the wind cabinet and the centrifugal fan do not require cleaning; and the second oil net is convenient to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a cross-sectional view of the utility model.

[0023] Figure 2 yes Figure 1 A-A view of.

[0024] Figure 3 yes Figure 1 B-B view.

[0025] Figure 4 It is a stereogram of the utility model.

[0026] Figure 5 It is one of the three-dimensional exploded views of the utility model.

[0027] Figure 6 This is the second three-dimensional exploded view of the present utility model.

[0028] Figure 7 This is the third three-dimensional exploded view of the present utility model.

[0029] Figure 8 It is a three-dimensional exploded view of the second oil screen of the utility model. DETAILED DESCRIPTION

[0030] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] like Figure 1 The double oil screen range hood shown in the figure comprises a housing 1, a first oil screen 21, a wind cabinet 3, a fan 4 and a second oil screen 22.

[0033] The housing 1 includes a smoke guide hole 1A and a smoke collecting chamber 1B arranged at the top, and an oil net installation hole is arranged on the back plate of the smoke collecting chamber 1B;

[0034] The wall plate of the wind cabinet 3 is provided with a lower opening hole at the lower end, i.e., a lower opening frame-shaped hole;

[0035] The first oil net 21 is arranged on the oil net installation hole and can be detachably matched. The wind cabinet 3 is arranged on the top of the housing 1 and corresponds to the smoke guide hole 1A. The lower opening hole 31 and the top plate of the housing 1 constitute the inlet and outlet hole 5; the second oil net 22 is matched with the inlet and outlet hole 5 and sealed with the inlet and outlet hole 5, and the oil net covers the smoke guide hole 1A. The inlet and outlet hole 5 can be arranged on the front wall plate or the side wall plate. The second oil net enters and exits the wind cabinet from the inlet and outlet hole 5.

[0036] As a further improvement of the present invention: the second oil net 22 includes a square frame 221, a front end plate 222 and a square net body 223.

[0037] The lower opening hole 31 is provided at the lower end of the front wall plate of the wind cabinet 3; the inlet and outlet hole 5 has a front opening;

[0038] The square frame 221 covers the smoke guide hole 1A, and the front end plate 222 is engaged with the inlet and outlet hole 5 and sealed.

[0039] As a further improvement of the utility model: Figure 7 As shown, it also includes a right-angle seat plate 6, which includes a vertical plate 61 and a horizontal track plate 62;

[0040] A stop notch 2221 is provided at the lower end of the front wall plate 222;

[0041] The right-angled seat plate 6 is arranged on the left and right sides of the smoke guide hole 1A, and the vertical plate 61 is fixed to the wall of the smoke guide hole 1A and extends out of the smoke guide hole 1A. The second oil net 22 is embedded in the smoke guide hole 1A, and the horizontal track plate 62 supports the second oil net 22. The second oil net 22 and the horizontal track plate are slidably matched; in static state, there is a distance between the stop notch 2221 and the front wall plate of the smoke guide hole 1A; when the second oil net 22 moves forward, the stop notch 2221 cooperates with the front wall plate of the smoke guide hole 1A to stop; the front end plate leaves the air inlet hole 5, and the front end plate 222 is moved up, and then the oil net is taken out.

[0042] As a further improvement of the present invention: a handle is provided on the front end plate 222, and the handle can be used as a carrying handle.

[0043] As a further improvement of the present invention: the top plate of the stop notch 2221 is provided with a hand-gripping groove 2222 along the left and right directions.

[0044] It also includes an electric push rod 7, which is arranged on the top plate of the housing 1 and adjacent to the vertical plate 61. The main body of the electric push rod 7 is fixed to the top plate, and the piston rod is connected to the front end plate 222 at both ends. When the electric push rod is energized, the piston rod extends, the second oil net 22 moves forward, and the vertical surface of the stop notch 2221 cooperates with the front wall plate of the smoke guide hole 1A to stop; then the hand is inserted into the hand-gripping groove 2222, and the second oil net 22 is lifted up, and the second oil net 22 is pulled out from the inlet and outlet hole 5;

[0045] A pneumatic push rod, a magnetic push rod or a spring push rod can also be used.

[0046] The utility model can also be implemented as follows: the horizontal track plate 62 is fixed to the top plate of the housing 1 in the wind cabinet 3, the horizontal track extends to the top of both ends of the smoke guide hole 1A, the horizontal track plate 62 supports the second oil net 22, and the second oil net 22 is slidably matched with the right-angle seat plate 6. With such a structure, the second oil net moves forward and is directly taken out from the inlet and outlet hole 5;

[0047] The front end plate 222 is provided with an exposed handle or a concealed handle.

[0048] like Figure 8 As shown, the square mesh body 223 includes a top filter 2231, a filter 2232, a middle filter 2233 and a bottom filter 2234, and the top filter 2231, the filter 2232, the middle filter 2233 and the bottom filter 2234 are stacked from top to bottom.

[0049] The mesh of the top filter 2231 is rhombus-shaped, the mesh of the filter 2232 is square-shaped, the air guide holes on the filter 2232 are rhombus-shaped, and the mesh of the bottom filter 2234 is circular.

[0050] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A double oil screen range hood, characterized in that: It includes the housing, the first oil screen, the wind cabinet, the fan and the second oil screen. The housing includes a smoke guide hole and a smoke collecting chamber arranged at the top, and an oil net installation hole is arranged on the back plate of the smoke collecting chamber; The wall plate of the wind cabinet is provided with a lower opening hole; The wind cabinet is arranged on the top of the casing and corresponds to the smoke guide hole. The lower opening hole and the top plate of the casing constitute the inlet and outlet holes. The second oil net cooperates with the inlet and outlet holes and is sealed with the inlet and outlet holes. The oil net covers the smoke guide hole. The second oil net enters and exits the wind cabinet from the inlet and outlet holes.

2. A double oil screen range hood according to claim 1, characterized in that: The second oil net comprises a square frame, a front end plate and a square net body. The lower opening hole is arranged at the lower end of the front wall plate of the wind cabinet; The square frame covers the smoke guide hole, and the front end plate is embedded and sealed with the inlet and outlet holes.

3. A double oil screen range hood according to claim 2, characterized in that: It also includes a right-angle seat plate, which includes a vertical plate and a horizontal track plate. The horizontal track plate is fixed to the top plate of the casing in the wind cabinet, the horizontal track extends above the two ends of the smoke guide hole, the horizontal track plate supports the second oil net, and the second oil net is slidably matched with the right-angle seat plate.

4. The double oil screen range hood according to claim 3, characterized in that: The front end plate is provided with an exposed handle or a concealed handle.

5. The double oil screen range hood according to claim 2, characterized in that: Also included is a right-angle seat plate, which includes a vertical plate and a horizontal track plate; A stop notch is provided at the lower end of the front wall plate; The right-angled seat plate is arranged on the left and right sides of the smoke guide hole, and the vertical plate is fixed to the wall of the smoke guide hole. The second oil net is embedded in the smoke guide hole, and the horizontal track plate supports the second oil net. The second oil net is slidably matched with the horizontal track plate; the stop notch is stopped with the front wall plate of the smoke guide hole.

6. The double oil screen range hood according to claim 5, characterized in that: A handle is provided on the front end plate.

7. The double oil screen range hood according to claim 5, characterized in that: The top plate of the stop notch is provided with a hand-gripping groove along the left and right directions. It also includes a pneumatic push rod, a magnetic push rod, a spring push rod or an electric push rod, which is arranged on the top plate of the casing and adjacent to the vertical plate. Its main body is fixed to the top plate, and the piston rod is connected to both ends of the front end plate.

8. A double oil screen range hood according to claim 2, 3, 4, 5, 6 or 7, characterized in that: The square mesh body is composed of a top filter screen, a filter, a middle filter screen and a bottom filter screen stacked from top to bottom.

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