CN218295888U - Smoke collecting hood of range hood and range hood with smoke collecting hood - Google Patents

Abstract

A smoke collecting hood of a range hood comprises: the side plates (100), the supporting plates (120) and the connecting arms (400), wherein two side plates (100) are arranged at intervals, and a left plate surface and a right plate surface are opposite to each other; two supporting plates (120) are arranged between the two side plates (100) at intervals, one above the other, the supporting plates (120) extend along the left-right direction and are connected with the corresponding side plates (100), and a smoke collecting cavity (10 a) with a smoke inlet (110) at the front side is defined between the two supporting plates (120) and the two side plates (100); the connecting arm (400) is positioned in the smoke collecting cavity (10 a) and extends along the vertical direction, and two ends in the extending direction are respectively connected with the two supporting plates (120). The application also discloses a range hood with the smoke collecting hood. Compared with the prior art, the collection petticoat pipe non-deformable of this application.

Description

Smoke collecting hood of range hood and range hood with smoke collecting hood

Technical Field

The utility model belongs to the technical field of kitchen appliance, concretely relates to range hood's collection petticoat pipe and have range hood of this collection petticoat pipe.

Background

For the existing range hood, for example, a side-suction range hood (with the publication number of CN 110375354B) invented patent with the patent number of ZL201910567583.9, a utility model patent with the patent number of ZL201821959688.6, a range hood (with the publication number of CN 209295241U) invented patent with the patent number of ZL201910686483.8, a drip oil-discharging range hood (with the publication number of CN 110397971B) and other disclosed structures, the range hood mostly comprises a smoke-collecting hood, which is provided with a left side plate, a right side plate, an upper supporting plate and a lower supporting plate, so that the processing and manufacturing of the smoke-collecting hood are facilitated, the left side plate, the right side plate, the upper supporting plate and the lower supporting plate of the smoke-collecting hood are mostly formed separately and then assembled together to form the smoke-collecting hood.

If the collection petticoat pipe after the assembly receives impact or extrusion in the transportation, has the risk of deformation, consequently needs to promote collection petticoat pipe overall structure's intensity.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the current situation of prior art is directed at, a non-deformable's range hood's collection petticoat pipe is provided.

The utility model aims to solve the second technical problem that a range hood with above-mentioned collection petticoat pipe is provided.

The utility model aims to solve the third technical problem that a can collect range hood of spiral case flowing back hole department fluid is provided.

The utility model provides a technical scheme that above-mentioned first technical problem adopted does: a smoke collecting hood of a range hood comprises:

the side plates are arranged in a way that two left and right plate surfaces are oppositely arranged at intervals;

the two supporting plates are arranged between the two side plates at intervals from top to bottom, each supporting plate extends along the left-right direction and is connected with the corresponding side plate, and a smoke collecting cavity with a smoke inlet at the front side is defined between the two supporting plates and the two side plates;

it is characterized by comprising the following steps:

and the connecting arm is positioned in the smoke collection cavity and extends along the vertical direction, and two end parts in the extending direction are respectively connected with the two supporting plates.

In order to reduce the influence of the connecting arm on the oil smoke absorption effect, preferably, the connecting arm is located in the central area of the smoke inlet of the smoke collection cavity, so that the connecting arm shields the central area of the smoke inlet and exposes the left and right areas of the smoke inlet. Therefore, the arrangement of the connecting arm does not basically influence the air inlet of the left side area and the right side area of the smoke inlet.

Preferably, the two support plates are arranged oppositely and spaced one above the other and one behind the other at the same time; the connecting arm extends obliquely downwards from front to back.

Preferably, two support plates arranged one above the other are referred to as an upper support plate and a lower support plate, the upper support plate has a second front side wall extending up and down, and a first inclined wall extending backward and obliquely downward from the lower edge of the second front side wall; the lower support plate has a first bottom wall extending forward and rearward, a second inclined wall extending obliquely forward and upward from a front side edge of the first bottom wall; the first inclined wall and the second inclined wall are arranged in a coplanar manner, and the first inclined wall and the second inclined wall and the two side plates define the smoke inlet together;

the extension direction of the connecting arm is substantially parallel to the extension direction of the first and second inclined walls.

Preferably, the upper end of the connecting arm is connected with the first inclined wall of the upper supporting plate and is adjacent to or attached to the second front side wall of the upper supporting plate; the lower end part of the connecting arm extends to the first bottom wall of the lower supporting plate and is connected with the first bottom wall.

Furthermore, the smoke collection device also comprises an oil screen which is arranged at the smoke inlet of the smoke collection cavity and is restrained together with the first inclined wall and the second inclined wall in a detachable mode.

In order to facilitate the assembly and disassembly of the oil screen, furthermore, the upper part of the oil screen is connected with the first inclined wall through screws, the lower edge of the oil screen is provided with a first limiting part protruding towards the inside of the smoke collection cavity relative to the screen surface of the oil screen, the upper edge of the second inclined wall is provided with two second limiting parts protruding towards the inside of the smoke collection cavity, the two second limiting parts are arranged at intervals from left to right, and the intervals are arranged so that the first limiting parts can extend into the second limiting parts.

Further preferably, the first limiting part comprises a first extension arm extending from the lower edge of the oil screen to the inside of the smoke collection cavity relative to the screen surface of the oil screen, and a second extension arm extending downwards from a part of the inner end of the first extension arm; the second limiting part comprises a third extension arm extending from the upper edge of the second inclined wall to the inner side of the smoke collection cavity relative to the wall surface of the second inclined wall and a fourth extension arm extending upwards from the part of the inner end part of the third extension arm; under the state of oil net restraint in advancing cigarette mouth department, first extension arm offsets after one goes up and one and while tandem with the third extension arm, the second extension arm is located between two fourth extension arms, and two fourth extension arms are located first extension arm top. So, the cooperation of the first extension arm that offsets from top to bottom and front and back and third extension arm can retrain the upper and lower and front and back position of oil net, and two fourth extension arms can retrain the position about the oil net.

In the above solution, preferably, the side plates are detachably connected with the corresponding support plates; the connecting arms are detachably connected with the corresponding supporting plates. The detachable connection mode can be bolt connection, buckle connection and the like.

In each of the above aspects, two side plates arranged left and right are preferably referred to as a left side plate and a right side plate, the left side plate has a first top wall extending in the left-right direction and a left side wall extending downward from a left side edge of the first top wall, the right side plate has a second top wall extending in the left-right direction and a right side wall extending downward from a right side edge of the second top wall, and the first top wall and the second top wall are arranged at intervals left and right and define the smoke outlet of the smoke collection chamber.

The utility model provides a technical scheme that above-mentioned second technical problem adopted does: a range hood with the fume collecting hood is provided.

The centrifugal fan of the range hood can suck oil smoke into the volute in the working process, part of the oil smoke is gathered into oil in the volute and flows to the bottom wall of the volute under the action of gravity, in order to discharge the oil on the bottom wall of the volute, the volute bottom wall of the existing centrifugal fan is generally provided with a liquid discharge hole so as to discharge the oil in the volute into a smoke collecting hood of the range hood and finally converge into an oil cup at the bottom of the range hood. The setting of the liquid discharge hole of the volute bottom wall has the following technical problems to be solved: 1. if the liquid discharge hole is positioned just above the smoke inlet of the smoke collecting cover, oil dropping from the liquid discharge hole may pass through the smoke inlet and fall on the cooking bench; 2. if the weep hole staggers the setting with collection petticoat pipe inlet, the weep hole is relative with the diapire of collection petticoat pipe promptly, but because centrifugal fan has certain mounting height, has certain distance between the diapire of its spiral case diapire and collection petticoat pipe, probably has "tickle" sound when dropping to collection petticoat pipe diapire from the fluid weep hole to there is the possibility that fluid splashes.

Therefore, in order to further solve the third technical problem, preferably, the range hood further includes:

the fan cover is arranged above the smoke collecting cover, a fan cavity is formed in the fan cover, and the bottom of the fan cavity is provided with an opening and is opposite to and communicated with the smoke outlet of the smoke collecting cavity;

the centrifugal fan is arranged in the fan cover and is provided with a volute, a liquid discharge hole penetrating through the wall thickness is formed in the bottom wall of the volute, and the liquid discharge hole is positioned right above the connecting arm;

the oil cup is used for receiving oil in the smoke collecting hood and is arranged on the rear side of the bottom of the smoke collecting hood and below the lower end part of the connecting arm.

So, on the fluid reservoir can flow to the oil cup along the linking arm from the fluid discharge opening drippage of spiral case to can collect the fluid of spiral case fluid discharge opening department betterly.

In order to make the connecting arm can better water conservancy diversion fluid, preferably, the connecting arm has the first oil deflector that leads that extends along its length direction, from the first curb plate that leads about the side of oil deflector upwards extension, and the spout that the notch slope is up is injectd jointly between two first curb plates and the first oil deflector. So, fluid can flow down along the guiding gutter, and the first curb plate of the guiding gutter left and right sides can reduce the risk that splashes after the fluid drips.

Compared with the prior art, the utility model has the advantages of: set up the linking arm in the collection cigarette chamber of injecing through at two curb plates, two backup pads, and the linking arm extends from top to bottom, and its two tip links to each other with two backup pads respectively, so, the linking arm can support between two backup pads, with backup pad vertically and horizontally staggered, two curb plates simultaneously and the backup pad that corresponds also vertically and horizontally staggered to make the collection petticoat pipe overall structure's that forms between two curb plates, two backup pads and the linking arm intensity obtain promoting.

Drawings

Fig. 1 is a schematic structural view of a smoke collecting hood in the embodiment of the present invention;

fig. 2 is a schematic structural view of the fume collecting hood at another viewing angle in the embodiment of the present invention;

fig. 3 is a schematic structural view of the fume collecting hood at another viewing angle in the embodiment of the present invention;

fig. 4 is an exploded perspective view of a partial structure of a smoke collecting hood according to an embodiment of the present invention;

fig. 5 is an exploded perspective view of the smoke collecting hood according to the embodiment of the present invention (oil screen omitted);

fig. 6 is a sectional view of the exhaust fume collecting hood according to the embodiment of the present invention;

fig. 7 is a schematic structural view of the range hood according to the embodiment of the present invention;

fig. 8 is a cross-sectional view of the range hood according to the embodiment of the present invention (the cross section is a vertical surface extending in the left-right direction);

fig. 9 is a sectional view of the range hood according to the embodiment of the present invention (the section is a vertical surface extending in the front-rear direction).

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 9, in order to provide a preferred embodiment of the smoke collecting cover of the range hood of the present invention and the range hood having the smoke collecting cover, the smoke collecting cover includes a side plate 100, a supporting plate 120 and a connecting arm 400.

Wherein, two side plates 100 are arranged at intervals, and a left plate surface and a right plate surface are opposite; two support plates 120 are arranged between the two side plates 100 at intervals in tandem, one above the other, and the other one behind the other, each support plate 120 extends in the left-right direction and is connected with the corresponding side plate 100, and a smoke collection cavity 10a with a smoke inlet 110 at the front side is defined between the two support plates 120 and the two side plates 100; the connecting arm 400 is located in the central area of the smoke inlet 110 of the smoke collecting chamber 10a, and extends obliquely downward from front to back, and two ends in the extending direction are respectively connected to the two supporting plates 120, so that the connecting arm 400 covers the central area of the smoke inlet 110 and exposes the left and right areas of the smoke inlet 110. Meanwhile, the connecting arm 400 of the present embodiment has a first oil guiding plate 4 extending along the length direction thereof, and first side plates 41 extending upward from the left and right sides of the first oil guiding plate 4, and a flow guiding groove 40 with an inclined upward notch is defined between the two first side plates 41 and the first oil guiding plate 4.

In this embodiment, two support plates 120 arranged one above the other are referred to as an upper support plate 120a and a lower support plate 120b, and the upper support plate 120a has a second front sidewall 121 extending up and down (the second front sidewall 121 is used for mounting the panel assembly), and a first inclined wall 122 extending rearward and downward from a lower edge of the second front sidewall 121; the lower support plate 120b has a first bottom wall 123 extending forward and rearward, a second inclined wall 124 extending obliquely forward and upward from a front side edge of the first bottom wall 123; the first inclined wall 122 and the second inclined wall 124 are disposed in a coplanar manner and define the smoke inlet 110 with the two side plates 100. The extension direction of the connecting arm 400 is substantially parallel to the extension direction of the first and second inclined walls. The upper end of the connecting arm 400 is connected with the first inclined wall 122 of the upper support plate 120a by a screw, and is adjacent to or attached to the second front side wall 121 of the upper support plate 120 a; the lower end of the connecting arm 400 extends above the first bottom wall 123 of the lower supporting plate 120b and is connected to the first bottom wall 123 by a screw.

The two side plates 100 arranged left and right are denoted as a left side plate 100a and a right side plate 100b, the left side plate 100a has a first top wall 101 extending in the left-right direction, a left side wall 102 extending downward from the left side edge of the first top wall 101, the right side plate 100b has a second top wall 103 extending in the left-right direction, and a right side wall 104 extending downward from the right side edge of the second top wall 103, and the first top wall 101 and the second top wall 103 are arranged left and right at intervals and define a smoke outlet 111 of the smoke collecting cavity 10 a.

In the embodiment, the edges of the left and right side plates 100a and 100b are provided with folded edges, and are connected with the corresponding support plates 120 through the folded edges (connected through screws).

The fume collecting hood of the embodiment further comprises an oil screen 5, the oil screen 5 is arranged at the fume inlet 110 of the fume collecting cavity 10a, the oil screen 5 is provided with a plurality of strip-shaped meshes 50 extending backwards from top to bottom, the strip-shaped meshes 50 are arranged at intervals in the left-right direction, and a flow guide part 51 for oil to flow down along is formed between every two adjacent strip-shaped meshes 50. The oil screen 5 is detachably bound to the first and second inclined walls. Specifically, the upper portion of the oil screen 5 is connected to the first inclined wall 122 by screws, the lower edge of the oil screen 5 is provided with a first limiting portion 52 protruding into the smoke collection chamber 10a relative to the screen surface of the oil screen 5, the upper edge of the second inclined wall 124 is provided with two second limiting portions 125 protruding into the smoke collection chamber 10a, and the two second limiting portions 125 are arranged at left-right intervals, and the intervals are arranged so that the first limiting portions 52 can protrude into the intervals. The first limiting part and the second limiting part have the following structures:

the first position-limiting portion 52 includes a first extension arm 521 extending from the lower edge of the oil screen 5 toward the inside of the smoke collection chamber 10a relative to the screen surface of the oil screen 5, and a second extension arm 522 extending downward from a part of the inner end of the first extension arm 521; the second position-limiting portion 125 includes a third extending arm 126 extending from the upper edge of the second inclined wall 124 toward the inside of the smoke collection chamber 10a relative to the wall surface of the second inclined wall 124, and a fourth extending arm 127 extending upward from a part of the inner end of the third extending arm 126; in a state where the oil screen 5 is constrained at the smoke inlet 110, the first extension arm 521 and the third extension arm 126 move up and down and simultaneously move back and forth, the second extension arm 522 is located between the two fourth extension arms 127, and the two fourth extension arms 127 are located above the first extension arm 521.

As shown in fig. 7 to 9, the range hood of the present embodiment includes the above-mentioned smoke collecting hood 1a, a fan hood 1b, a centrifugal fan 2, and an oil cup 3. The fan cover 1b is disposed above the smoke collecting cover 1a and has a fan cavity 10b therein, and the bottom of the fan cavity 10b is opened and is opposite to and communicated with the smoke outlet 111 of the smoke collecting cavity 10 a. The centrifugal fan 2 is arranged in the fan cover 1b and is positioned at the rear side part of the fan cavity 10b, the centrifugal fan 2 is provided with a volute casing 21, the front side wall of the volute casing 21 is provided with an air suction opening 211, the bottom wall of the volute casing 21 is provided with a liquid discharge hole 210 penetrating through the wall thickness, and the liquid discharge hole 210 is positioned right above the connecting arm 400. The oil cup 3 is disposed below the first bottom wall 123 of the fume collecting hood 1a, and is used for receiving oil in the fume collecting hood 1 a. Thus, the oil flowing down from the drain hole 210 of the centrifugal fan 2 can flow into the oil cup 3 through the connecting arm 400. Meanwhile, the oil in the center of the front side wall of the fan guard 1b can flow into the oil cup 3 along the second front side wall 121 of the smoke collecting cover 1a and the connecting arm 400.

In order to further improve the function of collecting oil, the range hood of this embodiment further includes the second oil guiding plate 6, the front side portion of the fan cavity 10b is located downwards on the board surface of the second oil guiding plate 6, and is located in front of the air suction opening 211 of the volute 21, and the second oil guiding plate 6 is inclined downwards from the center to the left and right sides, and the left and right sides of the second oil guiding plate 6 are connected with the left and right side walls of the corresponding fan cavity 10 b. Specifically, the vertical section of the second oil guide plate 6 is in an inverted V shape.

Meanwhile, the left and right edges of the opening at the bottom of the fan cavity 10b extend along the directions which are far away from each other and gradually incline downwards to form third oil guide plates 7 (the included angle between the third oil guide plates 7 and the horizontal plane is more than 5 degrees), two third oil guide plates 7 are positioned in the smoke collection cavity 10a and positioned at the left and right sides of the fan cavity 10b, the lower edges of the two third oil guide plates 7 extend downwards to form fourth oil guide plates 8, and the lower edges of the two fourth oil guide plates 8 are positioned above the supporting plate 120b below the smoke collection cover 1a and positioned at the left and right sides of the smoke inlet 110.

Therefore, oil passages are formed among the second oil guide plate 6, the left and right side walls of the fan cavity 10b, the third oil guide plate 7, the fourth oil guide plate 8 and the lower support plate 120b, and oil can flow to the left and right side walls of the fan cavity 10b along the second oil guide plate 6, then flow to the lower support plate 120b along the third oil guide plate 7 and the fourth oil guide plate 8, and then collect to the oil cup 3 along the lower support plate 120 b.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "side," "top," "bottom," and the like are used in the description and claims of this application to describe various example structural portions and elements of the invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the figures. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

Claims (13)

1. A smoke collecting hood of a range hood comprises:

the side plates (100) are arranged in a way that two left and right plate surfaces are oppositely arranged at intervals;

two support plates (120) are arranged between the two side plates (100) at intervals, the support plates (120) extend along the left-right direction and are connected with the corresponding side plates (100), and a smoke collection cavity (10 a) with a smoke inlet (110) at the front side is defined between the two support plates (120) and the two side plates (100);

it is characterized by comprising the following steps:

and connecting arms (400) which are positioned in the smoke collection cavity (10 a) and extend along the vertical direction, and two ends in the extending direction are respectively connected with the two supporting plates (120).

2. A smoke collecting hood according to claim 1, wherein: the connecting arm (400) is positioned in the central area of the smoke inlet (110) of the smoke collection cavity (10 a), so that the connecting arm (400) shields the central area of the smoke inlet (110) and exposes out of the left and right areas of the smoke inlet (110).

3. A smoke collecting hood according to claim 1, wherein: two support plates (120) are arranged in a tandem and opposite interval arrangement at the same time; the connecting arm (400) extends obliquely downward from front to back.

4. A smoke collecting hood according to claim 3, wherein: two support plates (120) arranged one above the other are referred to as an upper support plate (120 a) and a lower support plate (120 b), wherein the upper support plate (120 a) is provided with a second front side wall (121) extending up and down and a first inclined wall (122) extending backwards and downwards from the lower edge of the second front side wall (121); the lower support plate (120 b) has a first bottom wall (123) extending forward and backward, a second inclined wall (124) extending forward and upward at the same time from the front side edge of the first bottom wall (123); the first inclined wall (122) and the second inclined wall (124) are arranged in a coplanar manner and define the smoke inlet (110) together with the two side plates (100);

the extension direction of the connecting arm (400) is substantially parallel to the extension direction of the first and second inclined walls.

5. A smoke collecting hood according to claim 4 wherein: the upper end of the connecting arm (400) is connected with the first inclined wall (122) of the upper support plate (120 a) and is adjacent to or attached to the second front side wall (121) of the upper support plate (120 a); the lower end of the connecting arm (400) extends to the first bottom wall (123) of the lower supporting plate (120 b) and is connected with the first bottom wall (123).

6. A smoke collecting hood according to claim 4 wherein: the smoke collection device also comprises an oil screen (5) which is arranged at the smoke inlet (110) of the smoke collection cavity (10 a) and is restrained together with the first inclined wall and the second inclined wall in a detachable mode.

7. A smoke collecting hood according to claim 6, wherein: the upper portion of the oil screen (5) is connected with the first inclined wall (122) through screws, a first limiting portion (52) protruding towards the interior of the smoke collection cavity (10 a) relative to the screen surface of the oil screen (5) is arranged on the lower edge of the oil screen (5), two second limiting portions (125) protruding towards the interior of the smoke collection cavity (10 a) are arranged on the upper edge of the second inclined wall (124), the two second limiting portions (125) are arranged at intervals from left to right, and the intervals are arranged so that the first limiting portions (52) can extend into the intervals.

8. A smoke collecting hood according to claim 7 wherein: the first limiting part (52) comprises a first extension arm (521) extending from the lower edge of the oil screen (5) towards the screen surface of the oil screen (5) to the inside of the smoke collection cavity (10 a), and a second extension arm (522) extending downwards from the part of the inner end part of the first extension arm (521); the second limiting part (125) comprises a third extension arm (126) extending from the upper edge of the second inclined wall (124) to the wall surface of the second inclined wall (124) towards the smoke collection cavity (10 a), and a fourth extension arm (127) extending upwards from the part of the inner end part of the third extension arm (126); under the state that the oil screen (5) is restrained at the smoke inlet (110), the first extension arm (521) and the third extension arm (126) move up and down and simultaneously move back and forth, the second extension arm (522) is located between the two fourth extension arms (127), and the two fourth extension arms (127) are located above the first extension arm (521).

9. A smoke collecting hood according to claim 3, wherein: the side plates (100) are detachably connected with the corresponding support plates (120); the connecting arms (400) are detachably connected with the corresponding supporting plates (120).

10. A smoke collecting hood according to any one of claims 3-9 wherein: the two side plates (100) arranged on the left side and the right side are marked as a left side plate (100 a) and a right side plate (100 b), the left side plate (100 a) is provided with a first top wall (101) extending in the left-right direction and a left side wall (102) extending downwards from the left side edge of the first top wall (101), the right side plate (100 b) is provided with a second top wall (103) extending in the left-right direction and a right side wall (104) extending downwards from the right side edge of the second top wall (103), the first top wall (101) and the second top wall (103) are arranged at intervals on the left side and the right side, and the first top wall and the second top wall define a smoke outlet (111) of the smoke collection cavity (10 a).

11. A range hood having a smoke collecting hood as claimed in claim 10.

12. The range hood of claim 11, further comprising:

the fan cover (1 b) is arranged above the smoke collecting cover (1 a) and is internally provided with a fan cavity (10 b), and the bottom of the fan cavity (10 b) is provided with an opening and is opposite to and communicated with the smoke outlet (111) of the smoke collecting cavity (10 a);

the centrifugal fan (2) is arranged in the fan cover (1 b) and is provided with a volute (21), the bottom wall of the volute (21) is provided with a liquid discharge hole (210) penetrating through the wall thickness, and the liquid discharge hole (210) is positioned right above the connecting arm (400);

the oil cup (3) is used for receiving oil in the smoke collecting hood (1 a), and the oil cup (3) is arranged on the rear side of the bottom of the smoke collecting hood (1 a) and is positioned below the lower end part of the connecting arm (400).

13. The range hood of claim 12, wherein: the connecting arm (400) is provided with a first oil guide plate (4) extending along the length direction of the connecting arm and first side plates (41) extending upwards from the left side and the right side of the first oil guide plate (4), and a flow guide groove (40) with an inclined and upward notch is defined between the two first side plates (41) and the first oil guide plate (4).

Images