Shell structure of range hood

Abstract

The utility model discloses a shell structure of a range hood, which comprises a shell component comprising a back plate and two side plates, the side plates are provided with front folded edges, the front folded edges comprise an upper front folded edge and a lower front folded edge which are arranged up and down and are arranged at an angle, and the upper front folded edge and the lower front folded edge are arranged in a staggered mode. A transverse folding line is arranged at the lower end of the upper front folding edge or at the joint of the upper front folding edge and the lower front folding edge; the support assembly comprises a first support, the first support comprises an upper connecting plate and a lower connecting plate which are fixedly connected and arranged at an angle, the upper connecting plate is installed on the top of the upper front folding edge, and the lower connecting plate is installed on the back of the lower front folding edge. Reinforcing profiles arranged corresponding to the transverse folding lines are arranged at the corners between the upper connecting plate and the lower connecting plate. The shell structure is simple in structure, and the front folding edges of the side plates are reinforced through the first supports, so that falling deformation is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to a range hood technical field especially relates to a shell structure of range hood. BACKGROUND

[0002] The shell of part complex structure's range hood cannot adopt integral shell structure, needs to carry out the dismantling spare, and the side plate strength needs to consider the key, if only adopting the conventional stitch welding structure, the shell stress produces the folding along the broken line when falling, leads to the shell broken line place, the shell side serious deformation. SUMMARY

[0003] The utility model discloses at least one of the problems in the prior art is solved to some extent, and therefore, the utility model provides a shell structure of range hood, which is simple in structure, and the front fold edge of the side plate is reinforced by the first support to prevent deformation caused by falling.

[0004] According to the shell structure of the range hood provided above, the following technical scheme is used to achieve the shell structure of the range hood:

[0005] A shell structure of a range hood comprises: a shell assembly comprising a back plate and two side plates, the two side plates are respectively installed on the left and right sides of the back plate, a side fold edge extending forward is arranged at the front end of the side plate, a front fold edge bent towards the inside of the shell assembly is arranged at the front end of the side fold edge, the front fold edge comprises an upper front fold edge and a lower front fold edge arranged above and below and arranged at an angle, a transverse fold line is arranged at the lower end of the upper front fold edge or at the connection between the upper front fold edge and the lower front fold edge; and a support assembly comprising a first support, the first support comprises an upper connecting plate and a lower connecting plate fixedly connected and arranged at an angle, the upper connecting plate is installed on the top of the upper front fold edge, the lower connecting plate is installed on the back of the lower front fold edge, a reinforcing press pattern corresponding to the transverse fold line is arranged at the corner between the upper connecting plate and the lower connecting plate.

[0006] In some embodiments, the reinforcing press pattern comprises a first avoiding press pattern arranged on one side of the corner close to the side fold edge and / or a second press pattern arranged on the other side of the corner away from the side fold edge.

[0007] In some embodiments, the upper connecting plate and / or the lower connecting plate are in the shape of "L" or "concave", a positioning structure is arranged between the lower connecting plate and the lower front fold edge; and / or a notch is arranged on the upper end of the lower front fold edge close to the transverse fold line, and the lower connecting plate covers the notch.

[0008] In some embodiments, an upper turning edge is arranged on an end of the upper front folded edge away from the side folded edge and is bent upward and toward the inside of the shell assembly, an upper protruding edge is arranged on the upper end of the side wall of the upper connecting plate close to the upper turning edge and is bent toward the inside of the shell assembly, and the upper protruding edge is connected to or abuts against the top of the upper turning edge; and / or a lower turning edge is arranged on an end of the lower front folded edge away from the side folded edge and is bent upward and toward the inside of the shell assembly, a lower protruding edge is arranged on the upper end of the side wall of the lower connecting plate close to the lower turning edge and is bent toward the inside of the shell assembly, and the lower protruding edge is connected to or abuts against the top of the lower turning edge.

[0009] In some embodiments, a first through hole is arranged on the upper end of the side wall of the upper connecting plate close to the upper turning edge, and a second through hole is arranged on the upper turning edge at a position corresponding to the first through hole and is in communication with the first through hole; and / or a fixing hole is arranged on the upper end of the lower protruding edge.

[0010] In some embodiments, an upper bent edge is arranged on the upper end of the side wall of the upper connecting plate close to the side folded edge and is bent outward and upward, and the upper bent edge abuts against or is connected to the side folded edge; and / or a lower bent edge is arranged on the upper end of the side wall of the lower connecting plate close to the side folded edge and is bent outward and upward, and the lower bent edge abuts against or is connected to the side folded edge.

[0011] In some embodiments, the bracket assembly further comprises a second bracket, and the first bracket is connected to the side folded edge through the second bracket.

[0012] In some embodiments, the side folded edge comprises an upper side folded edge and a lower side folded edge arranged in a vertical direction and arranged at an angle, and a joint gap is formed between the upper side folded edge and the lower side folded edge, and a second avoiding pressing type is arranged on the second bracket at a position corresponding to the joint gap.

[0013] In some embodiments, a lower flange edge extending toward the first bracket is arranged on the lower end of the second bracket, the lower flange edge abuts against or is connected to the top of the upper front folded edge and the back of the lower front folded edge respectively, and a third avoiding pressing type is arranged on the lower flange edge at a position corresponding to the transverse folding line; and / or an upper flange edge extending toward the inside of the shell assembly is arranged on the upper end of the second bracket.

[0014] In some embodiments, an upper bent edge bent outward and upward is arranged on the upper end of the side wall of the upper connecting plate close to the second bracket, and the upper bent edge is connected to the second bracket; and / or a lower bent edge bent outward and upward is arranged on the upper end of the side wall of the lower connecting plate close to the second bracket, and the lower bent edge is connected to the second bracket.

[0015] Compared with the prior art, the utility model have at least following beneficial effect:

[0016] 1. The utility model discloses a range hood's shell structure, two side plates are connected respectively in the left and right sides of backplate, be equipped with side folding edge and have the front folding edge of horizontal fold line on the side plate, first support is installed in the position department of the front folding edge corresponding horizontal fold line, be equipped with the strengthening pressure type in the position department of first support corresponding horizontal fold line, and this realizes the strengthening of the area of the front folding edge on horizontal fold line's both sides through first support, prevents the folding deformation of side plate along horizontal fold line position when falling and force leads to.

[0017] 2. Through the second support between the side folding edge of side plate and first support, realize the strengthening to side folding edge, benefit further promote the overall strength of side plate, prevent falling deformation;

[0018] 3. The splicing gap is equipped on the side folding edge, and the second emptying pressure type is equipped in the position department of second support corresponding splicing gap, strengthens the overall strength of second support, and can avoid the welding scar produced when splicing gap welds. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of shell structure in the utility model embodiment 1;

[0020] Figure 2 It is the explosion drawing of shell structure in the utility model embodiment 1;

[0021] Figure 3 It is the structure schematic drawing of side plate and first support in the utility model embodiment 1;

[0022] Figure 4 It is the explosion drawing of side plate and first support in the utility model embodiment 1;

[0023] Figure 5 It is the structure schematic drawing of first support in the utility model embodiment 1;

[0024] Figure 6 It is the structure schematic drawing of side plate and first support in the utility model embodiment 2;

[0025] Figure 7 It is the explosion drawing of side plate and first support in the utility model embodiment 2;

[0026] Figure 8 It is the structure schematic drawing of shell structure in the utility model embodiment 3;

[0027] Figure 9 It is the explosion drawing of shell structure in the utility model embodiment 3;

[0028] Figure 10Is the structure schematic view of the side plate and support assembly in the embodiment 3 of the utility model;

[0029] Figure 11 Is the explosion view of the side plate and support assembly in the embodiment 3 of the utility model;

[0030] Figure 12 Is the structure schematic view of the support assembly in the embodiment 3 of the utility model.

[0031] In the drawing: 1- shell assembly, 111- back plate, 112- top plate, 113- bottom plate, 12- side plate, 121- upper triangular plate, 122- lower triangular plate, 1230- joint gap, 1231- upper side flange, 1232- lower side flange, 1240- horizontal folding line, 1241- upper front flange, 1242- lower front flange, 1243- notch, 1251- upper flange, 1252- lower flange, 1253- second through hole;

[0032] 2- first support, 21- upper connecting plate, 211- upper convex edge, 212- first through hole, 213- upper bending edge, 214- upper air clearance groove, 22- lower connecting plate, 221- lower convex edge, 222- fixed hole, 223- positioning hole, 224- lower bending edge, 225- lower air clearance groove, 231- first avoiding pressing type, 232- second pressing type;

[0033] 3- second support, 31- second avoiding pressing type, 32- lower flange, 321- third avoiding pressing type, 33- upper flange;

[0034] 4- rivet. DETAILED DESCRIPTION

[0035] The following embodiments are used to illustrate the utility model, but the utility model is not limited by these embodiments. The specific embodiment of the utility model is modified or the equivalent replacement of part technical features, and the spirit of the utility model scheme is not deviated, and it should be covered in the technical scheme range of the utility model claimed.

[0036] Embodiment 1

[0037] Reference Figures 1-5The embodiment provides a shell structure of an extractor hood, which comprises a shell assembly 1, and the shell assembly 1 comprises a back plate 111, a top plate 112, a bottom plate 113 and two side plates 12. In the embodiment, the upper and lower ends of the back plate 111 are respectively bent towards the front to form the top plate 112 and the bottom plate 113, and a top opening is formed in the top plate 112. The two side plates 12 are respectively fixedly installed on the left and right sides of the back plate 111, and a front opening is formed between the front ends of the two side plates 12 and located between the bottom plate 113 and the top plate 112. In the embodiment, a side folding edge (not shown in the figure) extending towards the front is arranged at the front end of the side plate 12, a front folding edge bent towards the inside of the shell assembly 1 is arranged at the front end of the side folding edge, the front folding edge comprises an upper front folding edge 1241 and a lower front folding edge 1242 arranged in an upper and lower mode and arranged at an angle, and a transverse folding line 1240 is arranged at the lower end of the upper front folding edge 1241 or at the connection position of the upper front folding edge 1241 and the lower front folding edge 1242.

[0038] Since the side folding edge and the front folding edge with the transverse folding line 1240 are arranged on the side plate 12, when the hood is subjected to a drop test, the shell assembly 1 is stressed to cause the side plate 12 to fold at the position of the transverse folding line 1240, thereby causing the side plate of the shell assembly 1 to be severely deformed. Therefore, the strength of the side plate 12 needs to be considered to ensure that the drop test is qualified. Further, the shell structure further comprises a support assembly, and the support assembly comprises a first support 2, the shape of the first support 2 is matched with the shape of the front folding edge, the first support 2 comprises an upper connecting plate 21 and a lower connecting plate 22 fixedly connected and arranged at an angle, the upper connecting plate 21 is fixedly installed on the top of the upper front folding edge 1241, and the lower connecting plate 22 is fixedly installed on the back of the lower front folding edge 1242, so as to realize the strengthening of the region of the front folding edge on the upper and lower sides of the transverse folding line 1240 by the first support 2, and prevent the folding deformation of the side plate 12 along the transverse folding line 1240 position caused by stress during the drop. In addition, a reinforcing die corresponding to the transverse folding line 1240 is arranged at the corner between the upper connecting plate 21 and the lower connecting plate 22, so as to realize the strengthening of the overall strength of the first support 2 and effectively prevent the drop deformation of the first support 2 and the side plate 12.

[0039] Reference Figures 1-4In the embodiment, the side plate 12 comprises an upper triangular plate 121 and a lower triangular plate 122 arranged in sequence, the lower end of the upper triangular plate 121 is bent downward to form the lower triangular plate 122. The lower end of the upper triangular plate 121 is bent forward to form an upper side bent edge 1231, and the front end of the lower triangular plate 122 is bent forward to form a lower side bent edge 1232, the lower side bent edge 1232 and the upper side bent edge 1231 are spliced to form a side bent edge, and a splicing gap 1230 is formed at the splicing position of the lower side bent edge 1232 and the upper side bent edge 1231, that is, the splicing gap 1230 is arranged corresponding to the transverse folding line 1240, that is, the splicing gap 1230 is arranged at the position of the side bent edge corresponding to the transverse folding line 1240, and the lower side bent edge 1232 and the upper side bent edge 1231 are fixedly connected and integrated by laser welding at the splicing gap 1230, so as to effectively strengthen the connection strength of the side bent edge.

[0040] The lower end of the upper side bent edge 1231 is bent toward the inside of the shell assembly 1 to form an upper front bent edge 1241, and the front end of the lower side bent edge 1232 is bent toward the inside of the shell assembly 1 to form a lower front bent edge 1242. In the embodiment, a notch 1243 is formed at the upper end of the lower side bent edge 1232, and the notch 1243 is completely covered by the lower connecting plate 22 of the first support 2, so that the operator can weld and connect the lower connecting plate 22 of the first support 2 and the lower side bent edge 1232 into one body through the notch 1243; the lower end of the upper front bent edge 1241 is bent toward the lower front bent edge 1242 to form an extension edge (not shown in the figure), the free end of the extension edge extends into the notch 1243, and a transverse folding line 1240 is formed at the corner connecting position of the extension edge and the upper front bent edge 1241. In addition, the end of the upper front bent edge 1241 away from the side bent edge is bent upward and toward the inside of the shell assembly 1 to form an upper turning edge 1251, and a plurality of second through holes 1253 are arranged in front of and behind the upper turning edge 1251; the end of the lower front bent edge 1242 away from the side bent edge is bent upward and toward the inside of the shell assembly 1 to form a lower turning edge 1252.

[0041] Reference Figures 1-5 In the embodiment, the reinforcing die type comprises a first avoiding die type 231 and / or a second die type 232, the first avoiding die type 231 is arranged at one side of the corner close to the side bent edge and opposite to the splicing gap 1230, so as to strengthen the strength of the first support 2 at the side close to the side plate, and at the same time, to avoid the welding scar on the side bent edge by local die type; the second die type 232 is arranged at one side of the corner away from the side bent edge, so as to strengthen the strength of the first support 2 at the side away from the side plate 12.

[0042] Reference Figures 3-5The upper connecting plate 21 and / or the lower connecting plate 22 is in the shape of "L" or "concave", and in the embodiment, the upper connecting plate 21 and the lower connecting plate 22 are both in the shape of "concave", so that the upper and lower connecting plates have strong strength. A positioning structure is arranged between the lower connecting plate 22 and the lower front flange 1242, wherein the positioning structure comprises a positioning hole 223 and a rivet 4. Two positioning holes 223 are arranged on the lower connecting plate 22 in a spaced-apart manner. Rivet through holes (not shown in the figure) are arranged on the extension edges of the lower front flange 1242 and the upper front flange 1243. The rivet 4 is sequentially arranged in the rivet through hole and the positioning hole 223 from bottom to top, so as to quickly and preliminarily position the first support 2 on the side plate. After riveting, the first support 2 is fixed on the side plate 12 by welding, which is beneficial to improve the welding precision. It is particularly pointed out that the rivet 4 can be replaced by a positioning protrusion, that is, a positioning protrusion extending upward is arranged on the extension edges of the lower front flange 1242 and the upper front flange 1243, and the positioning protrusion is inserted into the corresponding positioning hole.

[0043] In the embodiment, a notch 1243 is arranged on the upper end of the lower front flange 1242 close to the transverse folding line 1240, and the lower connecting plate 22 covers the notch 1243. After the first support 2 is preliminarily positioned on the side plate 12, the operator performs welding operation at the notch 1243, so as to weld the lower connecting plate 22 of the first support 2 and the lower side flange 1232 to be integrated.

[0044] Reference Figures 3-5 An upper turning edge 1251 extending upward and towards the inside of the shell assembly 1 is arranged at the end of the upper front flange 1241 away from the side flange. An upper protruding edge 211 extending towards the inside of the shell assembly 1 is arranged on the side wall upper end of the upper connecting plate 21 close to the upper turning edge 1251. The upper protruding edge 211 is connected to or abuts against the top of the upper turning edge 1251. In the embodiment, the upper protruding edge 211 is riveted to the upper turning edge 1251. And / or a lower turning edge 1252 extending upward and towards the inside of the shell assembly 1 is arranged at the end of the lower front flange 1242 away from the side flange. A lower protruding edge 221 extending towards the inside of the shell assembly 1 is arranged on the side wall upper end of the lower connecting plate 22 close to the lower turning edge 1252. The lower protruding edge 221 is connected to or abuts against the top of the lower turning edge 1252. In the embodiment, the lower protruding edge 221 is riveted to the lower turning edge 1252.

[0045] In addition, a first through hole 212 is arranged on the side wall upper end of the upper connecting plate 21 close to the upper turning edge 1251. A second through hole 1253 communicating with the first through hole 212 is arranged at the position of the upper turning edge 1251 corresponding to the first through hole 212, so as to avoid affecting the connection between other parts of the range hood and the side plate 12 due to the arrangement of the first support 2. And / or a fixing hole 222 is arranged on the upper end of the lower protruding edge 221, so as to facilitate the connection between the first support 2 and other parts of the range hood through the fixing hole.

[0046] Embodiment 2

[0047] With reference to Figures 6-7 The difference between the present embodiment and Embodiment 1 is that the side plate 12 is connected with the first bracket 2. An outwardly and upwardly bent upper bent edge 213 is arranged on the upper end of the side wall close to the upper connecting plate 21, and the upper bent edge 213 abuts or connects with the side fold edge. In the present embodiment, the upper bent edge 213 is welded with the upper side fold edge 1231 of the side fold edge to strengthen the strength of the side fold edge and prevent the side fold edge from deforming towards the inside of the shell assembly when falling; and / or an outwardly and upwardly bent lower bent edge 224 is arranged on the upper end of the side wall close to the lower connecting plate 22, and the lower bent edge 224 abuts or connects with the side fold edge. In the present embodiment, the lower bent edge 224 is welded with the lower side fold edge 1232 of the side fold edge to strengthen the strength of the side fold edge and prevent the side fold edge from deforming towards the inside of the shell assembly 1 when falling.

[0048] Embodiment 3

[0049] With reference to Figures 8-12 The difference between the present embodiment and Embodiment 1 or 2 is that the bracket assembly further comprises a second bracket 3, the shape of the second bracket 3 is matched with the shape of the side fold edge, and the first bracket 2 is welded with the side fold edge through the second bracket 3, so as to strengthen the side fold edge and further improve the overall strength of the side plate, preventing the side fold edge from deforming towards the inside of the shell assembly 1 when falling.

[0050] In the present embodiment, the side fold edge comprises an upper side fold edge 1231 and a lower side fold edge 1232 arranged upwardly and downwardly and angularly, and a joint gap 1230 is formed between the upper side fold edge 1231 and the lower side fold edge 1232. A second avoiding pressing type 31 is arranged at the position of the second bracket 3 corresponding to the joint gap 1230, so as to strengthen the strength of the second bracket itself and avoid the welding scar at the joint gap 1230 through local pressing.

[0051] With reference to Figures 10-12 A lower flange edge 32 extending towards the first bracket 2 is arranged at the lower end of the second bracket 3, and the lower flange edge 32 abuts or connects with the top of the upper front fold edge 1241 and the back of the lower front fold edge 1242, respectively. A third avoiding pressing type 321 is arranged at the position of the lower flange edge 32 corresponding to the transverse fold line 1240, so as to strengthen the second bracket 3 and the inclined surfaces on both sides of the transverse fold line 1240; and / or an upper flange edge 33 extending towards the inside of the shell assembly 1 is arranged at the upper end of the second bracket 3, so as to strengthen the strength of the second bracket 3.

[0052] In the embodiment, the upper connecting plate 21 is provided with an outward and upward bent upper bent edge 213 close to the upper end of the side wall of the second support 3, the upper bent edge 213 is welded with the side bent edge through the second support 3, so as to strengthen the side bent edge of the side plate 12; and / or the lower connecting plate 22 is provided with an outward and upward bent lower bent edge 224 close to the upper end of the side wall of the second support 3, the lower bent edge 224 is welded with the side bent edge through the second support 3, so as to strengthen the side bent edge of the side plate 12. In addition, an upper avoiding slot 214 is formed at the bottom of the bent edge 213, a lower avoiding slot 225 is formed at the bottom of the lower bent edge 224, the upper and lower ends of the lower flange edge 32 of the second support 3 respectively extend into the upper avoiding slot 214 and the lower avoiding slot 225, so as to avoid the interference between the first support and the second support.

[0053] The above only describes some embodiments of the present application. For those skilled in the art, without departing from the inventive concept, a number of modifications and improvements can be made, which are all within the scope of the present application.

Claims

1. A housing structure of a range hood, characterized by, The application relates to a shell assembly (1) and a support assembly. The shell assembly (1) comprises a back plate (111) and two side plates (12) respectively arranged on the left and right sides of the back plate (111), a side folding edge extending forward is arranged at the front end of the side plate (12), a front folding edge is arranged at the front end of the side folding edge and is bent towards the inside of the shell assembly (1), the front folding edge comprises an upper front folding edge (1241) and a lower front folding edge (1242) arranged in an upper-lower mode and at an angle, and a transverse folding line (1240) is arranged at the lower end of the upper front folding edge (1241) or at the joint of the upper front folding edge (1241) and the lower front folding edge (1242). The support assembly comprises a first support (2), the first support (2) comprises an upper connecting plate (21) and a lower connecting plate (22) fixedly connected and arranged at an angle, the upper connecting plate (21) is arranged on the top of the upper front folding edge (1241), the lower connecting plate (22) is arranged on the back of the lower front folding edge (1242), and a reinforcing pressing pattern corresponding to the transverse folding line (1240) is arranged at the corner between the upper connecting plate (21) and the lower connecting plate (22).

2. The housing structure for a range hood according to claim 1, wherein The reinforcing pressing pattern comprises a first avoiding pressing pattern (231) arranged on one side of the corner close to the side folding edge and / or a second pressing pattern (232) arranged on the other side of the corner away from the side folding edge.

3. The housing structure for a range hood according to claim 1, wherein The upper connecting plate (21) and / or the lower connecting plate (22) are arranged in an "L" or "concave" shape, a positioning structure is arranged between the lower connecting plate (22) and the lower front folding edge (1242), and / or a notch (1243) close to the transverse folding line (1240) is arranged on the upper end of the lower front folding edge (1242), and the lower connecting plate (22) covers the notch (1243).

4. The housing structure for a range hood according to claim 3, wherein An upper turning edge (1251) is arranged at the end of the upper front folding edge (1241) away from the side folding edge and is bent upwards and towards the inside of the shell assembly (1), an upper convex edge (211) is arranged on the side wall upper end of the upper connecting plate (21) close to the upper turning edge (1251) and is bent towards the inside of the shell assembly (1), and the upper convex edge (211) is connected to or abuts against the top of the upper turning edge (1251); and / or A lower turning edge (1252) is arranged at the end of the lower front folding edge (1242) away from the side folding edge and is bent upwards and towards the inside of the shell assembly (1), a lower convex edge (221) is arranged on the side wall upper end of the lower connecting plate (22) close to the lower turning edge (1252) and is bent towards the inside of the shell assembly (1), and the lower convex edge (221) is connected to or abuts against the top of the lower turning edge (1252).

5. The housing structure for a range hood according to claim 4, wherein A first through hole (212) is arranged on the upper end of the side wall of the upper connecting plate (21) close to the upper flange (1251), and a second through hole (1253) is arranged at the position corresponding to the first through hole (212) of the upper flange (1251) and communicates with the first through hole (212); and / or a fixing hole (222) is arranged on the upper end of the lower convex edge (221).

6. The housing structure of claim 3, wherein An outward and upward bending upper bending edge (213) is arranged on the upper end of the side wall of the upper connecting plate (21) close to the side flange, and the upper bending edge (213) abuts against or is connected with the side flange; and / or An outward and upward bending lower bending edge (224) is arranged on the upper end of the side wall of the lower connecting plate (22) close to the side flange, and the lower bending edge (224) abuts against or is connected with the side flange.

7. The housing structure of a range hood according to any one of claims 1 to 6, wherein The support assembly further comprises a second support (3), and the first support (2) is welded and connected with the side flange through the second support (3).

8. The housing structure for a range hood according to claim 7, wherein The side flange comprises an upper side flange (1231) and a lower side flange (1232) arranged in an upper-lower direction and arranged at an angle, and a splicing gap (1230) is formed between the upper side flange (1231) and the lower side flange (1232), and a second avoiding pressing type (31) is arranged at the position corresponding to the splicing gap (1230) of the second support (3).

9. The housing structure of claim 7, wherein A lower flange edge (32) extending towards the first support (2) is arranged at the lower end of the second support (3), the lower flange edge (32) abuts against or is connected with the top of the upper front flange (1241) and the back of the lower front flange (1242) respectively, and a third avoiding pressing type (321) is arranged at the position corresponding to the transverse folding line (1240) of the lower flange edge (32); and / or an upper flange edge (33) extending towards the inside of the shell assembly (1) is arranged at the upper end of the second support (3).

10. The housing structure for a range hood according to claim 7, wherein An outward and upward bending upper bending edge (213) is arranged on the upper end of the side wall of the upper connecting plate (21) close to the second support (3), and the upper bending edge (213) is connected with the second support (3); and / or An outward and upward bending lower bending edge (224) is arranged on the upper end of the side wall of the lower connecting plate (22) close to the second support (3), and the lower bending edge (224) is connected with the second support (3).

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