CN111981529A

CN111981529A - Rotary smoking machine

Info

Publication number: CN111981529A
Application number: CN201911416681.9A
Authority: CN
Inventors: 李永波; 邢行; 姚家前; 李智怀; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-24

Abstract

The invention discloses a rotary smoking machine, which comprises a smoke collecting hood and a wind box assembly, wherein the smoke collecting hood is provided with a smoke inlet part and a smoke guide part positioned below the smoke inlet part, the top of the smoke inlet part is provided with a smoke outlet, the bottom of the smoke inlet part is provided with a smoke inlet area, the wind box assembly is arranged at the top of the smoke collecting hood and is communicated with the smoke outlet, a central air passage which extends along the vertical direction and divides the smoke guide surface into two parts is convexly arranged on the smoke guide surface on the front surface of the smoke guide part, central exhaust holes which are vertically arranged are arranged on two opposite side walls of the central air passage, lateral protruding structures which extend along the vertical direction are convexly arranged on two sides of the smoke guide surface on the front surface of the smoke guide part, lateral air passages are formed in the lateral protruding structures, the front surfaces of the lateral protruding structures are provided with lateral exhaust holes which are vertically arranged, and the inner side walls of the lateral protruding structures are, the oil smoke collecting device is simple in structure, can prevent oil smoke from diffusing and escaping, and achieves the effect of collecting and smoking efficiently.

Description

Rotary smoking machine

Technical Field

The invention relates to the technical field of kitchen electricity, in particular to a rotary smoking machine.

Background

The range hood is a main tool for collecting oil smoke in a kitchen, and how to improve the suction efficiency of the range hood is always important for the design and research of the range hood. When the traditional range hood inhales, the air suction range is a hemispherical area, and air in all directions is sucked indiscriminately. In this air suction mode, the air flow rate is larger at a position close to the air suction port, and the air flow rate is rapidly reduced at a position far away from the air suction port as the distance from the air suction port increases. Therefore, the air speed at the lowest part of the air suction port is reduced, which results in insufficient upward suction force, and the range hood is easily interfered by external factors, such as people walking, fan or cold air running, etc., and disturbed airflow factors are easily influenced, so that oil smoke or pollutants are dissipated along with the disturbed airflow, and the range hood has poor smoke collection and smoking effects.

Disclosure of Invention

The invention aims to solve one of the problems in the prior related art at least to a certain extent, and therefore the invention aims to provide a rotary smoking machine which is simple in structure, can prevent oil smoke from diffusing and escaping and achieves the effect of gathering and smoking efficiently.

The above purpose is realized by the following technical scheme:

a rotary smoking machine comprises a smoke collecting hood and a wind box assembly, wherein the smoke collecting hood is provided with a smoke inlet part and a smoke guide part positioned below the smoke inlet part, the top of the smoke inlet part is provided with a smoke outlet, the bottom of the smoke inlet part is provided with a smoke inlet area, the wind box assembly is arranged at the top of the smoke collecting hood and communicated with the smoke outlet, a central air passage which extends vertically and divides the smoke guide surface into two parts is convexly arranged on the smoke guide surface on the front side of the smoke guide part, central exhaust holes which are vertically arranged are arranged on two opposite side walls of the central air passage, side protruding structures which extend vertically are convexly arranged on two sides of the smoke guide surface on the front side of the smoke guide part, side air passages are formed in the side protruding structures, side exhaust holes which are vertically arranged are arranged on the front side of the side protruding structures, the inner side walls of the side protruding structures are rotational flow surfaces for enabling air flow flowing through the side exhaust holes to rotate, and an air supply device and, one end of the ventilation pipeline is communicated with the air supply device, and the other end of the ventilation pipeline is communicated with the central exhaust hole corresponding to the side air passage.

In some embodiments, the cyclone surface connects the smoke guiding surface of the front surface of the smoke guiding part and the inner side wall of the side protruding structure, the central air outlet hole is horizontally oriented to the cyclone surface, the front surface of the side protruding structure is an inclined surface inclined from top to bottom, and the side air outlet hole is horizontally oriented to the front.

In some embodiments, the cyclone surface is an arc surface extending from the smoke guide surface of the front of the smoke guide portion to the front of the side protruding structure, and any horizontal cross section of the arc surface is a quarter of an arc, one end of the arc is tangent to the smoke guide surface of the front of the smoke guide portion, and the other end of the arc is tangent to the front end of the inner side wall of the side protruding structure.

In some embodiments, the arc diameter of the vortex surface is linearly increased from bottom to top.

In some embodiments, the distance between the center of the side vent and the edge of the swirl face is less than 20 mm.

In some embodiments, mounting holes are respectively arranged on two sides of the top of the smoke collecting hood, the air supply device is arranged in the mounting holes, and the mounting holes are communicated with the central exhaust hole and the corresponding side air passage through the corresponding ventilating duct.

In some embodiments, the air supply device includes a blower and an air inlet cover, the blower is disposed in the mounting hole, and the air inlet cover is disposed at an air inlet end of the mounting hole.

In some embodiments, the air supply arrangement further comprises a filter member disposed between the air intake cover and the fan.

In some embodiments, the ventilation duct includes a horizontal duct and a vertical duct, wherein the horizontal duct communicates with the mounting hole, one end of the horizontal duct communicates with the side air duct, the other end communicates with the vertical duct, and the vertical duct communicates with the corresponding central exhaust hole.

Compared with the prior art, the invention at least comprises the following beneficial effects:

1. the rotary smoking machine has simple structure, can prevent oil smoke from diffusing and escaping, and achieves the effect of high-efficiency gathering smoking.

Drawings

Figure 1 is a front elevation view of a rotary smoking machine in an embodiment of the present invention;

figure 2 is a bottom view of a rotary smoking machine in an embodiment of the present invention;

figure 3 is a partially exploded view of a rotary smoking machine in an embodiment of the present invention;

figure 4 is a back view of a rotary smoking machine in an embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.

The first embodiment is as follows: as shown in fig. 1 to 4, the present embodiment provides a rotary smoking machine, which comprises a smoke collecting hood 1 and a wind box assembly 2, wherein the smoke collecting hood 1 has a smoke inlet 11 and a smoke guide 12 located below the smoke inlet 11, the smoke inlet 11 is provided with a smoke outlet at the top and a smoke inlet area 110 at the bottom, the wind box assembly 2 is provided at the top of the smoke collecting hood 1 and communicated with the smoke outlet for sucking smoke oil and forming upward suction force to the rotary flow gas, a central air duct 13 extending vertically and dividing the smoke guide 120 into two is protruded from the smoke guide 120 on the front surface of the smoke guide 12, central air vents 130 arranged vertically are provided on two opposite side walls of the central air duct 13, side protruding structures 14 extending vertically are protruded on two sides of the smoke guide 120 on the front surface of the smoke guide 12, side air ducts 140 are formed in the side protruding structures 14, side air vents 141 arranged vertically are provided on the front surface of the side protruding structures 14, the inner side wall of the side-protruding structure 14 is a swirling surface 142 for rotating the airflow flowing through the side-protruding structure, the airflow ejected from the central exhaust hole 130 forms a side air curtain capable of driving peripheral airflow to flow along the smoke guide surface 120 or turns and rotates along the smoke guide surface 120 to the swirling surface 142, the air supply device 4 and the ventilation duct 5 are arranged on both sides in the smoke collecting hood 1, wherein one end of the ventilation duct 5 is communicated with the air supply device 4, and the other end of the ventilation duct 5 is communicated with the corresponding central exhaust hole 130 and the corresponding side air duct 140. For example, one end of the left ventilation duct 5 communicates with the left blower 4, and the other end communicates with the left center exhaust hole 130 and the left side air duct 140 of the center air duct 13; one end of the right ventilation duct 5 communicates with the right blower 4, and the other end communicates with the right central exhaust hole 130 and the right side air duct 140 of the central air duct 13.

The rotary smoking machine of the embodiment has a simple structure, can prevent oil smoke from diffusing and escaping, and achieves the effect of high-efficiency smoke gathering.

In this embodiment, the ventilation duct 5 is formed by connecting several sections of hard tubes, but may also adopt other forms such as a hose and an adapter. The central exhaust hole 130 and the side exhaust holes 141 may be provided in other forms, such as a long hole, a polygonal hole, a star-shaped hole, etc., as long as they function to blow air outward.

Specifically, through the air supply device 4 arranged in the smoke collecting cover 1, the air supply device 4 sprays outside air from the central exhaust hole 130 of the central air passage 13 and the side exhaust hole 141 of the side air passage 140 through the ventilation pipeline 5, and due to the air viscosity effect, after the air flows discharged at high speed pass through the cyclone surface 142 of the area below the center of the smoke suction port of the smoke collecting cover 1, the air flow turns and rotates, the suction force of the range hood is matched, so that unique spiral air flow is formed, the rotary suction gathering effect can be formed before the diffusion of oil smoke gas, and the effect of high-efficiency smoking gathering is achieved.

When the range hood works, the air box assembly 2 and the air supply device 4 are started, and the upward suction force generated by the air box assembly 2 drives external airflow and oil smoke to flow into the smoke inlet part 11 of the smoke collection cover 1 from the smoke inlet area 110 and then to be discharged out of a room from a smoke exhaust pipeline of the range hood after passing through the air box assembly 2. The air supply device 4 sprays outside air from the central exhaust hole 130 of the central air passage 13 and the side exhaust holes 141 of the side air passages 140 through the ventilation pipeline 5, the air sprayed from the side exhaust holes 141 forms a side air curtain due to the air viscosity effect, the oil smoke can be cut into different areas, peripheral air flows can be driven to flow together and generate radial force, the air flows form cyclone air under the matching action of the cyclone surfaces 142, spiral upward air flows are formed under the matching action of upward suction force generated by the air box component 2, meanwhile, the air flows sprayed from the central exhaust holes 130 of the central air passage 13 can turn and rotate after flowing to the cyclone surfaces 142 along the smoke guide surfaces 120, so that the oil smoke is upwards sucked and gathered in a rotary mode before being diffused, the oil smoke is prevented from diffusing and escaping, and the rotary smoking effect is improved.

Specifically, the smoke guide part 12 of the smoke collecting cover 1 is located at the rear side of the bottom surface of the smoke inlet 11 and the back surfaces of the smoke inlet 11 and the smoke guide part 12 are located at the same plane, so that the smoke inlet 11 and the smoke guide part 12 form a 7 shape, and the front side of the bottom surface of the smoke inlet 11 is used for preventing smoke from escaping upwards. The smoke inlet area 110 is disposed at the front side of the bottom surface of the smoke inlet 11 so that the airflow spirally upward flows into the smoke inlet 11 through the smoke inlet area 110. Preferably, the smoke inlet area 110 is formed by a plurality of smoke inlet holes, so that the smoke inlet area 110 can serve as an oil screen, on one hand, the oil-smoke separation effect can be achieved, on the other hand, the oil screen can be omitted, the assembly process is simplified, and the manufacturing cost is reduced.

Preferably, the cyclone surface 142 connects the smoke guide surface 120 on the front surface of the smoke guide part 12 and the inner side wall of the side protruding structure 14, the central air vent 130 horizontally faces the cyclone surface 142, so that the air flow ejected from the central air vent 130 of the central air passage 13 can form an inclined surface which is inclined from top to bottom backwards and can rotate after flowing to the cyclone surface 142 along the smoke guide surface 120, the front surface of the side protruding structure 14 is an inclined surface which is inclined from top to bottom forwards, and the side air vent 141 horizontally faces forwards, so that the air ejected from the side air vent 141 can form a side air curtain, which not only can cut the oil smoke into different areas, but also can drive the peripheral air flow to flow together and generate radial force. Above-mentioned simple structure, reasonable in design, ingenious do benefit to and make the air current form the whirl gaseous to form the ascending air current of spiral under the cooperation of the ascending suction that bellows subassembly 2 produced, thereby make the oil smoke upwards the spin-suction before the diffusion gather together, prevent that the oil smoke from diffusing the escape, improve rotatory smoking effect.

Further, the swirling surface 142 is an arc surface extending from the smoke guide surface 120 on the front surface of the smoke guide portion 12 toward the front surface of the side protruding structure 14, and any horizontal cross section of the arc surface is a quarter arc, one end of the arc is tangent to the smoke guide surface 120 on the front surface of the smoke guide portion 12, and the other end is tangent to the front end of the inner side wall of the side protruding structure 14 in the front-rear direction. Its simple structure, reasonable in design, ingenious does benefit to and makes the air current form the whirl gaseous to form the ascending air current of spiral under the cooperation of the ascending suction that bellows subassembly 2 produced, thereby make the oil smoke upwards the spin-suction before the diffusion gather together, prevent that the oil smoke from diffusing the escape, improve rotatory smoking effect.

Furthermore, the diameter of the arc of the swirling surface 142 is linearly increased from bottom to top, so that under the matching action of the central air passage 13, the side air passages 140 and the swirling surface 142, the cyclone effect of the airflow is enhanced, and the effect of absorbing and gathering oil smoke by swirling is enhanced.

In the present embodiment, the distance W between the center of the side discharge hole 141 and the edge of the swirling surface 142 is less than 20 mm. The side air curtain formed by the gas ejected from the side exhaust holes 141 can be facilitated, and the upward spiral airflow is formed under the matching of the upward suction force generated by the air box component 2, so that the oil smoke is upwards and spirally sucked and gathered before being diffused, the oil smoke is prevented from being diffused and escaping, and the rotary smoking effect is improved.

Preferably, mounting holes 100 are respectively formed at both sides of the top of the exhaust fume collecting cover 1, the air blowing device 4 is disposed in the mounting holes 100, and the mounting holes 100 are communicated with the corresponding central exhaust hole 130 and the corresponding side air duct 140 through the corresponding ventilation duct 5. Specifically, the mounting hole 100 on the left side communicates with the central exhaust hole 130 on the left side and the side air duct 140 on the left side in the central air duct 13 through the ventilation duct 5 on the left side; the right-side mounting hole 100 communicates with the right-side ventilation duct 5, the center air exhaust hole 130 of the center air duct 13, and the right-side air duct 140. The structure is simple, the design is reasonable and ingenious, and the air supply device 4 can be conveniently installed and fixed.

More preferably, air supply arrangement 4 includes fan 401 and air inlet cover 402, fan 401 sets up in mounting hole 100, and air inlet cover 402 sets up in the air inlet end of mounting hole 100, be equipped with a plurality of inlet ports that supply the external air to pass through at air inlet cover 402, air inlet cover 402 is covered the air inlet end of locating mounting hole 100 and is parallel and level mutually with the outer terminal surface of mounting hole 100, so can prevent that external impurity from entering into mounting hole 100 and fan 401 the inside through addding air inlet cover 402, and then avoid external impurity to block up central exhaust hole 130 and side exhaust hole 141, guarantee range hood's performance.

In this embodiment, the air supply device 4 further includes a filtering member 403, the filtering member 403 is disposed between the air intake cover 402 and the fan 401, and the filtering member 403 is used for filtering external impurities to prevent the external impurities from polluting the air supply device 4, the ventilation duct 5, the central air duct 13 and the side air ducts 140 after the range hood works for a long time, so as to prevent the central exhaust holes 130 and the side exhaust holes 141 from being blocked. Preferably, the filtering member 403 is rectangular, and a plurality of filtering holes are formed on both the top surface and the bottom surface of the filtering member 403, so that double filtering can be formed, the filtering effect is improved, further the air supply device 4, the ventilation duct 5, the central air duct 13 and the side air duct 140 are prevented from being polluted, and the usability of the range hood is further improved.

In this embodiment, the ventilation duct 5 includes a horizontal duct 501 and a vertical duct 502, wherein the horizontal duct 501 communicates with the mounting hole 100, one end of the horizontal duct 501 communicates with the corresponding side duct 140, the other end communicates with the vertical duct 502, and the vertical duct 502 communicates with the corresponding central exhaust hole 130. The structure is simple, the design is reasonable and ingenious, and the connection between the mounting hole 100 and the corresponding side air channel 140 and the corresponding central exhaust hole 130 can be conveniently realized. Taking the ventilation duct 5 on the left side as an example, one end of the ventilation duct communicates with the side air duct 140 on the left side, the other end communicates with the vertical duct 502, and the vertical duct 502 communicates with the central exhaust hole 130 on the left side in the central air duct 13. Similarly, the ventilation duct 5 on the right side has the same communication structure with the side air duct 140 on the right side and the central exhaust hole 130 on the right side in the central air duct 13, and the detailed description thereof is omitted.

When the range hood works, the air box assembly 2 and the air supply device 4 are started, the air box assembly 2 drives external gas to flow into the smoke inlet part 11 of the smoke collection cover 1 from the smoke inlet area 110, and the external gas is discharged outdoors from a smoke exhaust pipeline of the range hood after passing through the air box assembly 2. The blower 4 drives the outside air from the intake cover 402 into the corresponding ventilation duct 5 through the filter member 403. The air flowing into the outside of the ventilation duct 5 is ejected from the corresponding center air vent hole 130 in the center air duct 13 and the corresponding side air vent hole 141 in the side air duct 140.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. A rotary smoking machine comprises a smoke collecting hood (1) and an air box assembly (2), wherein the smoke collecting hood (1) is provided with a smoke inlet part (11) and a smoke guide part (12) positioned below the smoke inlet part (11), the top of the smoke inlet part (11) is provided with a smoke outlet, the bottom of the smoke inlet part is provided with a smoke inlet area (110), the air box assembly (2) is arranged at the top of the smoke collecting hood (1) and communicated with the smoke outlet, the rotary smoking machine is characterized in that a central air passage (13) which extends vertically and divides the smoke guide surface (120) into two parts is convexly arranged on the smoke guide surface (120) on the front surface of the smoke guide part (12), central air vents (130) which are arranged vertically are arranged on two opposite side walls of the central air passage (13), side protruding structures (14) which extend vertically are arranged on two sides of the smoke guide surface (120) on the front surface of the smoke guide part (12), and side protruding structures (140) are formed in the side protruding structures (14), the front surface of the side protruding structure (14) is provided with side exhaust holes (141) which are vertically arranged, the inner side wall of the side protruding structure (14) is a rotational flow surface (142) which is used for enabling airflow flowing through the side protruding structure to rotate, two sides in the smoke collecting hood (1) are respectively provided with an air supply device (4) and a ventilation pipeline (5), one end of each ventilation pipeline (5) is communicated with the air supply device (4), and the other end of each ventilation pipeline is communicated with the corresponding central exhaust hole (130) and the corresponding side air passage (140).

2. A rotary smoking machine according to claim 1, wherein the swirl surface (142) connects the smoke guide surface (120) on the front of the smoke guide (12) and the inner side wall of the side protruding structure (14), the central ventilation hole (130) is horizontally oriented towards the swirl surface (142), the front of the side protruding structure (14) is a slope inclined from top to bottom and inclined backwards, and the side ventilation hole (141) is horizontally oriented forwards.

3. A machine as claimed in claim 2, wherein said swirling surface (142) is a circular arc extending from said smoke guide surface (120) of said front surface of said smoke guide (12) towards said front surface of said side protruding structure (14), and any horizontal cross-section of said circular arc is a quarter of a circular arc, one end of said circular arc is tangent to said smoke guide surface (120) of said front surface of said smoke guide (12), and the other end is tangent to the front end of the inner side wall of said side protruding structure (14).

4. A rotary smoking machine according to claim 3, wherein the diameter of the arc of the swirling surface (142) increases linearly from bottom to top.

5. A rotary smoking machine according to any one of claims 1 to 4, wherein the distance between the centre of the side discharge hole (141) and the edge of the swirl surface (142) is less than 20 mm.

6. A rotary smoking machine according to any one of claims 1 to 4 wherein mounting holes (100) are respectively provided on both sides of the top of the fume collecting hood (1), the air supply device (4) is provided in the mounting holes (100), and the mounting holes (100) are communicated with the corresponding ventilation duct (5) and the corresponding central exhaust hole (130) and the corresponding side air duct (140).

7. A rotary smoking machine according to claim 6, wherein the air supply means (4) comprises a fan (401) and an air inlet cover (402), the fan (401) being disposed within the mounting hole (100) and the air inlet cover (402) being disposed at the air inlet end of the mounting hole (100).

8. A rotary smoking machine according to claim 7, wherein the air supply arrangement (4) further comprises a filter member (403), the filter member (403) being disposed between the air inlet cover (402) and the fan (401).

9. A rotary smoking machine according to claim 6, wherein the ventilation duct (5) comprises a horizontal duct (501) and a vertical duct (502), wherein the horizontal duct (501) communicates with the mounting hole (100), and one end of the horizontal duct (501) communicates with the side air duct (140), the other end communicates with the vertical duct (502), and the vertical duct (502) communicates with the corresponding central ventilation hole (130).