Exhaust fume collecting hood and range hood

Abstract

The utility model discloses an exhaust fume collecting hood and a range hood. The exhaust fume collecting hood comprises an integrally formed outer hood structure, and the outer hood structure comprises an upper plate; the left side and the right side of the upper plate are each provided with one side plate extending downwards in the vertical direction, and the side plates and the upper plate are formed through bending; the rear plate is arranged on the rear side of the upper plate and extends downwards in the vertical direction, the rear plate and the upper plate are formed through bending, the left side of the rear plate is welded to the rear side of one side plate, and the right side of the rear plate is welded to the rear side of the other side plate. The exhaust fume collecting hood provided by the utility model has the advantages that the structure is simple, the number of parts and welding procedures are reduced, the manufacturing cost is reduced, the structural strength is higher, and meanwhile, the appearance of the exhaust fume collecting hood is kept.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a fume hood and a range hood. Background Art

[0002] The existing range hood hood is generally formed by welding together a plurality of disassembled panels. The method of using a plurality of disassembled panels has the problems of a large number of parts, complicated welding process, unsightly joints and high manufacturing cost.

[0003] Therefore, a smoke collecting hood is urgently needed to solve the above technical problems. Utility Model Content

[0004] The utility model aims to solve at least one of the problems existing in the existing related technologies to a certain extent. To this end, the utility model proposes a smoke hood with a simple structure, reduced number of parts and welding procedures, lowered manufacturing costs, and high structural strength while maintaining the appearance of the smoke hood.

[0005] The above purpose is achieved through the following technical solutions:

[0006] A smoke collecting hood includes an integrally formed outer hood structure, the outer hood structure including:

[0007] upper plate;

[0008] Side plates, the left and right sides of the upper plate are each provided with a side plate extending downward in a vertical direction, and the side plates are formed by bending with the upper plate;

[0009] The rear plate is arranged on the rear side of the upper plate and extends downward in the vertical direction. The rear plate and the upper plate are formed by bending. The left side of the rear plate is welded to the rear side of one of the side plates, and the right side of the rear plate is welded to the rear side of the other side plate.

[0010] Optionally, the side panel includes a first side panel portion and a second side panel portion formed by bending each other, and the first side panel portion and the second side panel portion are both extended downward, and the rear panel includes a first rear panel portion and a second rear panel portion formed by bending each other, the first rear panel portion is extended downward in a vertical direction, and the second rear panel portion is extended forward in a horizontal direction, the first side panel portion and the upper panel are formed by bending, the first rear panel portion and the upper panel are formed by bending, the rear side of the first side panel portion is welded to the left / right side of the first rear panel portion to form a first welding edge, and the rear side of the second side panel portion is welded to the left / right side of the second rear panel portion to form a second welding edge.

[0011] Optionally, the upper portion of the first welding edge is formed by argon arc welding, the lower portion of the first welding edge is formed by laser welding, and the second welding edge is formed by laser welding.

[0012] Optionally, the side panel also includes a third side panel portion and a fourth side panel portion which are bent together, the third side panel portion and the second side panel portion are formed by bending, the third side panel portion is extended inwardly in a horizontal direction, and the fourth side panel portion is extended upward in a vertical direction, and the rear panel also includes a third rear panel portion and a fourth rear panel portion which are bent together, the third rear panel portion and the second rear panel portion are formed by bending, the third rear panel portion is extended upwardly in an oblique direction from back to front, and the fourth rear panel portion is extended upwardly in a vertical direction, the rear side of the third side panel portion is welded to the left / right end of the front side of the second rear panel portion to form a third welding edge, the left / right side of the third rear panel portion is welded to the rear end of the inner side of the third side panel portion to form a fourth welding edge, and the rear side of the fourth side panel portion is welded to the left / right side of the fourth rear panel portion to form a fifth welding edge.

[0013] Optionally, the third welding edge is formed by laser welding, and the fourth welding edge and the fifth welding edge are both formed by filler wire welding.

[0014] Optionally, the outer cover structure further includes a front plate, which is arranged on the front side of the upper plate, and the front plate and the upper plate are formed by bending.

[0015] Optionally, the front plate includes a first front plate portion and a second front plate portion which are bent together, the first front plate portion and the upper plate are formed by bending, the first front plate portion is extended downward in a vertical direction, the second front plate portion is extended rearward in a horizontal direction, and the left / right side of the first front plate portion is welded to the front side of the second side plate portion to form a sixth welding edge.

[0016] Optionally, the sixth welding edge is formed by laser welding.

[0017] Optionally, a first reinforcement member is further included on the inner side of the outer cover structure, wherein the upper end of the first reinforcement member is connected to the upper plate, and the lower end of the first reinforcement member is connected to the side plate and / or the front plate.

[0018] Optionally, the upper plate includes a first upper plate portion, a second upper plate portion and a third upper plate portion, the first upper plate portion is provided with a smoke outlet, the second upper plate portion is arranged on the front side wall of the smoke outlet and is formed by bending between the first upper plate portion, the third upper plate portion is arranged on the left side wall and / or the right side wall of the smoke outlet and is formed by bending between the first upper plate portion, and the second upper plate portion and the third upper plate portion are both extended downward and are used to be connected to the lower end of the chassis of the range hood.

[0019] Optionally, the second upper plate portion includes a first connecting plate and a second connecting plate that are bent to each other, the first connecting plate and the first upper plate portion are formed by bending, the first connecting plate extends downward in a vertical direction, and the second connecting plate extends backward in a horizontal direction.

[0020] Optionally, it also includes a second reinforcement member arranged on the inner side of the outer cover structure, the front portion of the second reinforcement member is connected to the first front plate portion, and the rear portion of the second reinforcement member is connected to the second connecting plate, the first upper plate portion, and the third upper plate portion.

[0021] Optionally, the second reinforcement member includes a first reinforcement portion, a second reinforcement portion, a third reinforcement portion, a fourth reinforcement portion, a fifth reinforcement portion and a sixth reinforcement portion which are bent in sequence from front to back, the first reinforcement portion extending downward in a vertical direction and abutting against an inner side of the first front plate portion, the second reinforcement portion extending backward in a horizontal direction and abutting against a lower side of the first upper plate portion, the third reinforcement portion extending downward in a vertical direction and abutting against a front side of the first connecting plate, the fourth reinforcement portion extending backward in a horizontal direction and abutting against a lower side of the second connecting plate and / or a lower side of the third upper plate portion, the fifth reinforcement portion extending upward in a vertical direction and abutting against a side of the third upper plate portion facing away from the smoke outlet, and the sixth reinforcement portion extending in a horizontal direction and abutting against a lower side of the first upper plate portion.

[0022] Another aspect of the utility model provides a range hood, comprising a chassis and the above-mentioned fume collecting hood.

[0023] Compared with the prior art, the present invention has at least the following beneficial effects:

[0024] The smoke collecting hood provided by the utility model has an integrally formed outer cover structure, which is formed by welding between the rear plate and the upper plate, and between the rear plate and the side plates. It has a simple structure, reduces the number of parts and welding procedures, reduces manufacturing costs, and has a high structural strength while maintaining the appearance of the smoke collecting hood. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the assembly between the chassis and the fume collecting hood of the range hood provided by the specific embodiment of the utility model;

[0026] Figure 2 yes Figure 1 The enlarged view of point A in the middle;

[0027] Figure 3 It is a schematic diagram of the expansion of the outer cover structure of the range hood provided by the specific embodiment of the utility model;

[0028] Figure 4 It is a three-dimensional structural schematic diagram of a case of a range hood provided by a specific embodiment of the utility model;

[0029] Figure 5 yes Figure 1 A top view of

[0030] Figure 6 yes Figure 5 Sectional view at the middle BB;

[0031] Figure 7 yes Figure 6 Enlarged view of point C in the middle;

[0032] Figure 8 It is a schematic diagram of the three-dimensional structure of the first reinforcement member of the range hood provided by the specific embodiment of the utility model;

[0033] Fig. 9 It is a schematic diagram of the three-dimensional structure of the second reinforcement member of the range hood provided by the specific embodiment of the utility model.

[0034] In the figure:

[0035] 1. Cover structure; 10. Smoke outlet; 101. Smoke collecting chamber; 11. Upper plate; 111. First upper plate portion; 112. Second upper plate portion; 1121. First connecting plate; 1122. Second connecting plate; 113. Third upper plate portion; 12. Side plate; 121. First side plate portion; 122. Second side plate portion; 123. Third side plate portion; 1231. Second connecting hole; 124. Fourth side plate portion; 13. Front plate; 131. First front plate portion; 132. Second front plate portion; 1321. First connecting hole; 14. Rear plate; 141. First rear plate portion; 142. Second rear plate portion; 143. Third rear plate portion; 144. Fourth rear plate portion;

[0036] 2. Chassis; 21. Front panel; 22. Side panel; 23. Strengthened connection part;

[0037] 3. first reinforcement member; 31. first reinforcement body; 32. second connection part; 33. first connection part;

[0038] 4. second reinforcement; 41. first reinforcement portion; 42. second reinforcement portion; 43. third reinforcement portion; 44. fourth reinforcement portion; 45. fifth reinforcement portion; 46. sixth reinforcement portion;

[0039] 100, first welding edge; 200, second welding edge; 300, third welding edge; 400, fourth welding edge; 500, fifth welding edge; 600, sixth welding edge. DETAILED DESCRIPTION

[0040] The following examples illustrate the present invention, but the present invention is not limited by these examples. Modifications to the specific implementation of the present invention or equivalent replacement of some technical features without departing from the spirit of the present invention should be included in the scope of the technical solution claimed for protection in the present invention.

[0041] Please refer to Figure 1-Figure 9 The utility model provides a smoke collecting hood, including an integrally formed outer cover structure 1, the outer cover structure 1 includes an upper plate 11, a side plate 12 and a rear plate 14, and the upper plate 11, the side plate 12 and the rear plate 14 enclose a smoke collecting chamber 101. The left and right sides of the upper plate 11 are each provided with a side plate 12 extending downward in a vertical direction, and the side plate 12 and the upper plate 11 are formed by bending. The rear plate 14 is arranged on the rear side of the upper plate 11 and extends downward in a vertical direction, and the rear plate 14 and the upper plate 11 are formed by bending, the left side of the rear plate 14 is welded to the rear side of one side plate 12, and the right side of the rear plate 14 is welded to the rear side of the other side plate 12.

[0042] The smoke hood provided by the utility model is provided with an integrally formed outer cover structure 1, which is formed by welding between the rear plate 14 and the upper plate 11, and between the rear plate 14 and the side plates 12. It has a simple structure, reduces the number of parts and welding procedures, reduces manufacturing costs, and has a high structural strength while maintaining the appearance of the smoke hood.

[0043] Optionally, the side plate 12 includes a first side plate portion 121 and a second side plate portion 122 that are bent to each other, and the first side plate portion 121 and the second side plate portion 122 are both extended downward, and the rear plate 14 includes a first rear plate portion 141 and a second rear plate portion 142 that are bent to each other, the first rear plate portion 141 is extended downward in a vertical direction, and the second rear plate portion 142 is extended forward in a horizontal direction, the first side plate portion 121 and the upper plate 11 are formed by bending, the first rear plate portion 141 and the upper plate 11 are formed by bending, the rear side of the first side plate portion 121 is welded to the left / right side of the first rear plate portion 141 to form a first welding edge 100, and the rear side of the second side plate portion 122 is welded to the left / right side of the second rear plate portion 142 to form a second welding edge 200.

[0044] Optionally, the upper portion of the first welding edge 100 is formed by argon arc welding to improve welding efficiency, the lower portion of the first welding edge 100 is formed by laser welding to ensure the sealing effect of the lower portion of the first welding edge 100 to prevent oil stains from overflowing to the outside of the range hood through the lower portion of the first welding edge 100, and the second welding edge 200 is formed by laser welding to prevent oil stains from overflowing to the outside of the range hood through the second welding edge 200.

[0045] Optionally, the side panel 12 further includes a third side panel portion 123 and a fourth side panel portion 124 formed by bending each other, the third side panel portion 123 and the second side panel portion 122 are formed by bending, the third side panel portion 123 is extended inwardly in the horizontal direction, and the fourth side panel portion 124 is extended upwardly in the vertical direction, and the rear panel 14 further includes a third rear panel portion 143 and a fourth rear panel portion 144 formed by bending each other, the third rear panel portion 143 and the second rear panel portion 142 are formed by bending, and the third side panel portion 123 is extended inwardly in the horizontal direction, and the fourth side panel portion 124 is extended upwardly in the vertical direction. The third rear plate portion 143 is arranged to extend upwardly and obliquely from the rear to the front, the fourth rear plate portion 144 is arranged to extend upwardly in the vertical direction, the rear side of the third side plate portion 123 is welded to the left end / right end of the front side of the second rear plate portion 142 to form a third welding edge 300, the left / right side of the third rear plate portion 143 is welded to the rear end of the inner side of the third side plate portion 123 to form a fourth welding edge 400, and the rear side of the fourth side plate portion 124 is welded to the left / right side of the fourth rear plate portion 144 to form a fifth welding edge 500.

[0046] Optionally, the third welding edge 300 is formed by laser welding to prevent oil from overflowing to the outside of the range hood via the second welding edge 200. The fourth welding edge 400 and the fifth welding edge 500 are both formed by filler wire welding to seal the gap between the left / right side of the third rear plate portion 143 and the rear end of the inner side of the third side plate portion 123, and the rear side of the fourth side plate portion 124 and the left / right side of the fourth rear plate portion 144, and at the same time, realize the connection between the left / right side of the third rear plate portion 143 and the rear end of the inner side of the third side plate portion 123, and between the rear side of the fourth side plate portion 124 and the left / right side of the fourth rear plate portion 144.

[0047] Optionally, the outer cover structure 1 further includes a front plate 13 , which is disposed on the front side of the upper plate 11 , and the front plate 13 and the upper plate 11 are formed by bending.

[0048] Optionally, the front plate 13 includes a first front plate portion 131 and a second front plate portion 132 which are bent together, the first front plate portion 131 and the upper plate 11 are formed by bending, the first front plate portion 131 is extended downward in a vertical direction, and the second front plate portion 132 is extended rearward in a horizontal direction, and the left / right side of the first front plate portion 131 is welded to the front side of the second side plate portion 122 to form a sixth welding edge 600.

[0049] Optionally, the sixth welding edge 600 is formed by laser welding to prevent oil stains from overflowing to the outside of the range hood through the second welding edge 200 .

[0050] Optionally, a first reinforcement member 3 is further included, which is arranged inside the outer cover structure 1. The upper end of the first reinforcement member 3 is connected to the upper plate 11, and the lower end is connected to the third side plate portion 123 and / or the first front plate portion 131. The first reinforcement member 3 is provided to strengthen the strength of the outer cover structure 1.

[0051] Optionally, the upper plate 11 includes a first upper plate portion 111, a second upper plate portion 112 and a third upper plate portion 113, the first upper plate portion 111 is provided with a smoke outlet 10, the second upper plate portion 112 is arranged on the front side wall of the smoke outlet 10 and is formed by bending between the first upper plate portion 111, the third upper plate portion 113 is arranged on the left side wall and / or the right side wall of the smoke outlet 10 and is formed by bending between the first upper plate portion 111, the second upper plate portion 112 and the third upper plate portion 113 are both extended downward and are used to be connected to the lower end of the chassis 2 of the range hood.

[0052] Optionally, the first reinforcement member 3 includes a first reinforcement body 31, a first connection portion 33, and a second connection portion 32. The first connection portion 33 is disposed at the upper end of the first reinforcement body 31 and is detachably connected to the first upper plate portion 111 by screws, and the second connection portion 32 is disposed at the lower end of the first reinforcement body 31 and is detachably connected to the second front plate portion 132 and / or the third side plate portion 123 by screws.

[0053] Optionally, a first connecting hole 1321 is provided on the left and / or right portion of the second front panel portion 132, a second connecting hole 1231 is provided on the front portion of the third side panel portion 123, a third connecting hole corresponding to the first connecting hole 1321 and a fourth connecting hole corresponding to the second connecting hole 1231 are provided on the second connecting portion 32, the second connecting portion 32 is installed on the second front panel portion 132 by screws passing through the first connecting hole 1321 and the third connecting hole, and the second connecting portion 32 is installed on the third side panel portion 123 by screws passing through the second connecting hole 1231 and the fourth connecting hole.

[0054] Optionally, the first upper plate portion 111 is provided with a fifth connection hole, the first connection portion 33 is provided with a sixth connection hole corresponding to the fifth connection hole, and the first connection portion 33 is installed on the first upper plate portion 111 by screws passing through the fifth connection hole and the sixth connection hole.

[0055] Optionally, the first reinforcement member 3 is integrally formed.

[0056] Optionally, the second upper plate portion 112 includes a first connecting plate 1121 and a second connecting plate 1122 that are bent together. The first connecting plate 1121 and the first upper plate portion 111 are formed by bending. The first connecting plate 1121 extends downward in a vertical direction, and the second connecting plate 1122 extends backward in a horizontal direction.

[0057] Optionally, a second reinforcing member 4 is further included, which is arranged on the inner side of the outer cover structure 1. The front part of the second reinforcing member 4 is connected to the first front plate 131 by screws, and the rear part of the second reinforcing member 4 is connected to the second connecting plate 1122, the first upper plate 111, and the third upper plate 113 by screws. The second reinforcing member 4 is arranged to strengthen the strength of the front part of the smoke hood, thereby reducing the problem of deformation of the smoke hood when it falls.

[0058] Optionally, the second reinforcement 4 includes a first reinforcement portion 41, a second reinforcement portion 42, a third reinforcement portion 43, a fourth reinforcement portion 44, a fifth reinforcement portion 45 and a sixth reinforcement portion 46 which are bent in sequence from front to back, the first reinforcement portion 41 extending downward in the vertical direction and abutting against the inner side of the first front plate portion 131, the second reinforcement portion 42 extending backward in the horizontal direction and abutting against the lower side of the first upper plate portion 111, the third reinforcement portion 43 extending downward in the vertical direction and abutting against the front side of the first connecting plate 1121, the fourth reinforcement portion 44 extending backward in the horizontal direction and abutting against the lower side of the second connecting plate 1122 and / or the lower side of the third upper plate portion 113, the fifth reinforcement portion 45 extending upward in the vertical direction and abutting against the side of the third upper plate portion 113 facing away from the smoke outlet 10, and the sixth reinforcement portion 46 extending in the horizontal direction and abutting against the lower side of the first upper plate portion 111.

[0059] Another aspect of the present invention provides a range hood, comprising a case 2 and the above-mentioned fume collecting hood.

[0060] Optionally, the chassis 2 includes a front panel 21, a rear panel (not shown) and side panels 22, and the left and right ends of the front panel 21 are both provided with side panels 22 extending backward and connected to the rear panel.

[0061] Optionally, the lower end of the side panel 22 is mounted on the inner side of the third upper plate portion 113 by screws.

[0062] Optionally, the chassis 2 also includes a reinforcing connection portion 23 arranged at the lower end of the front panel 21, and the lower end of the front panel 21 is installed on the inner side of the first connecting plate 1121 by screws, and the reinforcing connection portion 23 is installed on the upper side of the second connecting plate 1122 by screws, thereby strengthening the connection strength between the front of the chassis 2 and the front of the smoke hood.

[0063] The above are only some embodiments of the present invention. For those skilled in the art, several modifications and improvements can be made without departing from the inventive concept of the present invention, which all belong to the protection scope of the present invention.

Claims

1. A smoke hood, characterized in that: The invention comprises an integrally formed outer cover structure (1), wherein the outer cover structure (1) comprises: Upper board(11); A side plate (12), wherein the left side and the right side of the upper plate (11) are each provided with a side plate (12) extending downward in a vertical direction, and the side plate (12) and the upper plate (11) are formed by bending; A rear plate (14) is arranged on the rear side of the upper plate (11) and extends downward in the vertical direction. The rear plate (14) and the upper plate (11) are formed by bending. The left side of the rear plate (14) is welded to the rear side of one of the side plates (12), and the right side of the rear plate (14) is welded to the rear side of the other side plate (12).

2. The smoke hood according to claim 1, characterized in that: The side plate (12) comprises a first side plate portion (121) and a second side plate portion (122) which are bent to form a first side plate portion (121) and a second side plate portion (122), both of which are extended downwards; the rear plate (14) comprises a first rear plate portion (141) and a second rear plate portion (142) which are bent to form a first side plate portion (121) and a second rear plate portion (142), the first rear plate portion (141) being extended downwards in a vertical direction, the second rear plate portion (142) being extended forwards in a horizontal direction, the first side plate portion (121) and the upper plate (11) being formed by bending, the first rear plate portion (141) and the upper plate (11) being formed by bending, the rear side of the first side plate portion (121) being welded to the left / right side of the first rear plate portion (141) to form a first welding edge (100), the rear side of the second side plate portion (122) being welded to the left / right side of the second rear plate portion (142) to form a second welding edge (200).

3. The smoke collecting hood according to claim 2, characterized in that: The upper portion of the first welding edge (100) is formed by argon arc welding, the lower portion of the first welding edge (100) is formed by laser welding, and the second welding edge (200) is formed by laser welding.

4. The smoke collecting hood according to claim 2, characterized in that: The side plate (12) further comprises a third side plate portion (123) and a fourth side plate portion (124) formed by bending to each other, the third side plate portion (123) and the second side plate portion (122) are formed by bending, the third side plate portion (123) is extended inwardly in a horizontal direction, and the fourth side plate portion (124) is extended upward in a vertical direction, the rear plate (14) further comprises a third rear plate portion (143) and a fourth rear plate portion (144) formed by bending to each other, the third rear plate portion (143) and the second rear plate portion (142) are formed by bending, the The third rear plate portion (143) is arranged to extend upwardly and obliquely from the rear to the front, and the fourth rear plate portion (144) is arranged to extend upwardly in the vertical direction. The rear side of the third side plate portion (123) is welded to the left end / right end of the front side of the second rear plate portion (142) to form a third welding edge (300), the left side / right side of the third rear plate portion (143) is welded to the rear end of the inner side of the third side plate portion (123) to form a fourth welding edge (400), and the rear side of the fourth side plate portion (124) is welded to the left side / right side of the fourth rear plate portion (144) to form a fifth welding edge (500).

5. The smoke collecting hood according to claim 4, characterized in that: The third welding edge (300) is formed by laser welding, and the fourth welding edge (400) and the fifth welding edge (500) are both formed by filler wire welding.

6. The fume hood according to claim 4, characterized in that: The outer cover structure (1) further comprises a front plate (13), wherein the front plate (13) is arranged on the front side of the upper plate (11), and the front plate (13) and the upper plate (11) are formed by bending.

7. The fume hood according to claim 6, characterized in that: The front plate (13) comprises a first front plate portion (131) and a second front plate portion (132) which are bent to each other, the first front plate portion (131) and the upper plate (11) are formed by bending, the first front plate portion (131) is extended downward in a vertical direction, the second front plate portion (132) is extended rearward in a horizontal direction, and the left side / right side of the first front plate portion (131) is welded to the front side of the second side plate portion (122) to form a sixth welding edge (600).

8. The fume hood according to claim 7, characterized in that: The sixth welding edge (600) is formed by laser welding.

9. The fume hood according to claim 6, characterized in that: It also includes a first reinforcement member (3) arranged on the inner side of the outer cover structure (1), wherein the upper end of the first reinforcement member (3) is connected to the upper plate (11), and the lower end is connected to the side plate (12) and / or the front plate (13).

10. The fume hood according to claim 7, characterized in that: The upper plate (11) comprises a first upper plate portion (111), a second upper plate portion (112) and a third upper plate portion (113); the first upper plate portion (111) is provided with a smoke outlet (10); the second upper plate portion (112) is arranged on a front side wall of the smoke outlet (10) and is formed by bending between the first upper plate portion (111); the third upper plate portion (113) is arranged on a left side wall and / or a right side wall of the smoke outlet (10) and is formed by bending between the first upper plate portion (111); the second upper plate portion (112) and the third upper plate portion (113) are both extended downward and are used to be connected to the lower end of the cabinet (2) of the range hood.

11. The fume hood according to claim 10, characterized in that: The second upper plate portion (112) comprises a first connecting plate (1121) and a second connecting plate (1122) which are bent to each other, wherein the first connecting plate (1121) and the first upper plate portion (111) are formed by bending, the first connecting plate (1121) is extended downward in a vertical direction, and the second connecting plate (1122) is extended backward in a horizontal direction.

12. The fume hood according to claim 11, characterized in that: It also includes a second reinforcement member (4) arranged on the inner side of the outer cover structure (1), the front part of the second reinforcement member (4) is connected to the first front plate portion (131), and the rear part of the second reinforcement member (4) is connected to the second connecting plate (1122), the first upper plate portion (111), and the third upper plate portion (113).

13. The fume hood according to claim 12, characterized in that: The second reinforcing member (4) comprises a first reinforcing portion (41), a second reinforcing portion (42), a third reinforcing portion (43), a fourth reinforcing portion (44), a fifth reinforcing portion (45) and a sixth reinforcing portion (46) which are bent in sequence from front to back, wherein the first reinforcing portion (41) extends downward in a vertical direction and abuts against the inner side of the first front plate portion (131), the second reinforcing portion (42) extends backward in a horizontal direction and abuts against the lower side of the first upper plate portion (111), and the third reinforcing portion (43) extends downward in a vertical direction and abuts against the inner side of the first front plate portion (131). The fourth reinforcing portion (44) is extended backward in the horizontal direction and abuts against the lower side of the second connecting plate (1122) and / or the lower side of the third upper plate portion (113); the fifth reinforcing portion (45) is extended upward in the vertical direction and abuts against the side of the third upper plate portion (113) facing away from the smoke outlet (10); and the sixth reinforcing portion (46) is extended in the horizontal direction and abuts against the lower side of the first upper plate portion (111).

14. A range hood, characterized in that: It comprises a chassis (2) and the smoke collecting hood according to any one of claims 1 to 13.

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