CN114353125A

CN114353125A - Range hood and integrated kitchen

Info

Publication number: CN114353125A
Application number: CN202111048284.8A
Authority: CN
Inventors: 王跃旦; 邓佳佳; 方剑强; 沈学军
Original assignee: Ningbo Fujia Industrial Co Ltd
Current assignee: Ningbo Fujia Industrial Co Ltd
Priority date: 2020-10-31
Filing date: 2021-09-08
Publication date: 2022-04-15

Abstract

The invention discloses a range hood and an integrated stove, which comprise a machine body (1) and an air pipe (2), wherein the air pipe (2) is connected with the machine body (1); the air pipe (2) is provided with an air volume multiplier; the air volume multiplier comprises an air volume multiplier tube (3), a ventilation tube (4) and a fan (5), an air outlet of the fan (5) is connected with the air volume multiplier tube (3) through the ventilation tube (4), and the fan (5) provides wind power for the air volume multiplier tube (3). The integrated cooker comprises a cooking bench and the range hood, and the range hood is connected with the cooking bench. The range hood has low power consumption and is less affected by oil stains. The range hood of the integrated cooker has strong suction, low power consumption and little influence by oil stains.

Description

Range hood and integrated kitchen

Technical Field

The invention relates to the technical field of kitchen appliances, in particular to a range hood and an integrated stove.

Background

The range hood is a kitchen appliance for purifying kitchen environment, is usually installed above a kitchen stove, and can rapidly exhaust smoke dust combusted by the kitchen stove and oil smoke harmful to human bodies generated in the cooking process and discharge the smoke dust and the oil smoke to the outside, thereby reducing kitchen pollution, purifying kitchen air, and having the safety guarantee effects of gas defense and explosion prevention. With the improvement of living standard of people, the range hood is widely applied, and the requirement of users on the oil smoke absorption effect of the range hood is higher and higher.

The existing range hood generally rotates a wind wheel at a high speed through a driving motor, so that a negative pressure area is formed in a certain space range above a stove, indoor oil fume is sucked into the range hood, and the aim of discharging the fume along a fixed passage is fulfilled. But traditional wind wheel formula range hood suction is limited, can not satisfy the demand that the oil smoke discharged well in great oil smoke environment, and power consumptive reinforce, and the live time has also hung full oil stain on the wind wheel easily, and is difficult for wasing extremely, influences the effect of fan suction oil smoke.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a range hood which has strong suction force, low power consumption and small influence of oil stains.

The technical scheme of the invention is that the range hood with the following structure is provided, which comprises a machine body and an air pipe, wherein the air pipe is connected with the machine body; the air pipe is provided with an air volume multiplier; the air quantity multiplier comprises an air quantity multiplying pipe, a ventilation pipe and a fan, wherein an air outlet of the fan is connected with the air quantity multiplying pipe through the ventilation pipe, and the fan provides wind power for the air quantity multiplying pipe.

After adopting the structure, compared with the prior art, the range hood has the following advantages:

because the air pipe of the range hood is provided with the air volume multiplier which is designed based on the Bernoulli principle, the high-speed uniform thin air curtain sprayed by the air volume multiplier forms a negative pressure area, the effect of sucking and exhausting oil smoke is realized, the structure that the traditional range hood uses the wind wheel to suck and exhaust oil smoke is changed, and the range hood has strong suction force, low power consumption, small influence of oil stain and low use noise.

As an improvement, the air volume multiplier is transversely arranged in the air duct, and a ventilation space is reserved between the air volume multiplier and the inner wall of the air duct; the ventilation pipe penetrates through the air pipe from the outer side of the air pipe and is connected with an air inlet of the air volume multiplying pipe. After adopting this kind of structure, range hood suction oil smoke's effect is better, and suction is stronger.

As an improvement, the air volume multiplier tube comprises an annular spray tube, a ventilation amplification ring is formed inside the annular spray tube, the inside of the tube body of the annular spray tube is of a hollow structure, an annular narrow slit is formed on the tube wall at one end of the tube body, and the annular narrow slit is communicated with the inner cavity of the tube body; the pipe wall outside the pipe body is provided with at least one air inlet, and the air inlet is connected with the air outlet of the fan through a ventilation pipe. After the structure is adopted, the air blown out by the fan enters the annular spray pipe from the air inlet and then is blown out from the annular narrow gap to form a thin air curtain to form a negative pressure area, the air can be driven to blow out from the ventilation amplification ring and the annular spray pipe and the inner wall of the air pipe to form air flow, the structure is simple, and the suction effect is good.

As an improvement, two air inlets are symmetrically arranged on the pipe wall of the outer side of the pipe body. By adopting the structure, the thin air curtain blown out by the annular narrow slit is more uniform.

As an improvement, a connecting pipe is arranged on the pipe wall of the outer side of the pipe body and at the position of the air inlet, and the inner cavity of the connecting pipe is communicated with the inner cavity of the pipe body. After adopting this kind of structure, structural design is more reasonable, and the effect of leading in wind is better, is favorable to being used for forming even thin air curtain more.

As an improvement, the shape of the first through hole on the cross section of the connecting pipe is wide at one end and narrow at the other end, the end of the first through hole far away from the annular narrow slit is wide, and the first through hole gradually narrows as the first through hole is closer to the annular narrow slit; the shape of the air inlet is matched with that of the first through hole. By adopting the structure, the wind resistance can be reduced.

As an improvement, the inner wall of the wider end of the first through hole is an arc surface, and the inner wall of the narrower end of the first through hole is also an arc surface. After adopting this kind of structure, structural design is more reasonable.

As an improvement, the shape of the second through hole on the cross section of the pipe body is an ellipse, the annular narrow slit is arranged on one side of the second through hole and is connected with the second through hole. With this structure, it is more advantageous for forming a uniform thin air curtain.

As an improvement, an annular support ring is arranged in the annular narrow slit, the annular support ring is provided with a first support ring and a second support ring, and the second support ring is arranged in the first support ring; the first supporting ring and the second supporting ring are connected through a connecting rib, and an air outlet gap is formed between the first supporting ring and the second supporting ring. After adopting this kind of structure, the structure is more reliable, and annular slot can not warp in the in-process of preparation.

As an improvement, the annular spray pipe is circular or elliptical or 8-shaped.

As an improvement, the shape of the first through hole on the cross section of the connecting pipe is circular or oval.

Another technical problem to be solved by the present invention is to provide an integrated stove, which has a strong suction force of a range hood, low power consumption and little influence from oil stains.

Another technical solution of the present invention is to provide an integrated cooker having the following structure, including a cooking bench and a range hood having the above structure, wherein the range hood is connected to the cooking bench.

because the air pipe of the range hood of the integrated cooker is provided with the air volume multiplier which is designed based on the Bernoulli principle, the high-speed uniform thin air curtain sprayed by the air volume multiplier forms a negative pressure area, the effect of sucking and exhausting oil smoke is realized, the structure that the traditional range hood exhausts oil smoke by using a wind wheel is changed, and the range hood has strong suction, low power consumption, small influence of oil stain and low use noise.

Drawings

Fig. 1 is a schematic perspective view of a range hood according to the present invention.

Fig. 2 is a schematic perspective view of the air volume multiplier of the range hood of the present invention.

Fig. 3 is a schematic perspective view of an air volume multiplier tube of the range hood of the present invention.

Fig. 4 is a schematic perspective view of another angle of the wind multiplier tube of the range hood of the present invention.

Fig. 5 is a schematic view of the structure of the air volume multiplier tube of the range hood of the present invention.

Fig. 6 is a schematic sectional view in the direction of a-a in fig. 5.

Fig. 7 is a schematic sectional view in the direction B-B in fig. 5.

Fig. 8 is a perspective view illustrating an integrated cooker of the present invention.

Fig. 9 is a partial structural view of an integrated cooker of the present invention.

Fig. 10 is a schematic perspective view of an air volume multiplier of an integrated cooker according to the present invention.

Fig. 11 is a schematic perspective view of another angle of the air volume multiplier of the integrated cooker of the present invention.

Shown in the figure: 1. the air conditioner comprises a machine body, 2 parts of an air pipe, 3 parts of an air volume multiplier pipe, 301 parts of an annular spray pipe, 302 parts of a ventilation amplification ring, 303 parts of an annular narrow slit, 304 parts of a second through hole, 305 parts of an air inlet, 306 parts of a connecting pipe, 307 parts of a first through hole, 4 parts of a ventilation pipe, 5 parts of a fan.

Detailed Description

For a better understanding of the present application, various aspects of the present application will be described in more detail with reference to the accompanying drawings. It should be understood that the detailed description is merely illustrative of exemplary embodiments of the present application and does not limit the scope of the present application in any way. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness, size, and shape of an object have been slightly exaggerated for convenience of explanation. The figures are purely diagrammatic and not drawn to scale.

It will be further understood that the terms "comprises," "comprising," "includes," "including," "has," "having," "contains," and/or "containing," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

As shown in fig. 1 to 7, the present embodiment discloses a range hood including a body 1 and an air duct 2, wherein the air duct 2 is connected to the body 1.

And the air pipe 2 is provided with an air volume multiplier. The air volume multiplier comprises an air volume multiplier tube 3, a vent pipe 4 and a fan 5. The air volume multiplier 3 comprises an annular spray pipe 301, a vent pipe 4 channel 302 is formed inside the annular spray pipe 301, the pipe body of the annular spray pipe 301 is of a hollow structure, an annular narrow slit 303 is arranged on the pipe wall of one end of the pipe body, and the annular narrow slit 303 is communicated with the inner cavity of the pipe body; the shape of the second through hole 304 on the cross section of the pipe body is oval, the annular narrow slit 303 is arranged at one side of the second through hole 304, and the annular narrow slit 303 is connected with the second through hole 304. An annular support ring is arranged in the annular narrow slit 303, the annular support ring is provided with a first support ring and a second support ring, and the second support ring is arranged in the first support ring; the first supporting ring and the second supporting ring are connected through a connecting rib, and an air outlet gap is formed between the first supporting ring and the second supporting ring. The width of the first supporting ring and the width of the second supporting ring are both 1 mm. The outer side wall of the first supporting ring is fixedly connected to the inner wall of the annular narrow gap 303 and can be fixedly connected through glue.

At least one air inlet 305 is arranged on the pipe wall outside the pipe body, in this embodiment, there are two air inlets 305, and the two air inlets 305 are symmetrically arranged on the pipe wall outside the pipe body. The pipe wall on the outer side of the pipe body is provided with two connecting pipes 306 at the position of the air inlet 305, and in this embodiment, the two connecting pipes 306 are respectively butted with the corresponding air inlets 305; the inner cavity of the connecting pipe 306 is communicated with the inner cavity of the pipe body. The number of the ventilating pipes 4 is also two, and the two ventilating pipes 4 are respectively connected between the fan 5 and the corresponding connecting pipe 306. The shape of the first through hole 307 on the cross section of the connecting pipe 306 is wide at one end and narrow at the other end, and the end of the first through hole 307 far away from the annular narrow slit 303 is wide and gradually narrows as it gets closer to the annular narrow slit 303. The shape of the air inlet 305 matches the shape of the first through hole 307. The inner wall of the wider end of the first through hole 307 is an arc surface, and the inner wall of the narrower end of the first through hole 307 is also an arc surface.

The air volume multiplier 3 is transversely arranged in the air pipe 2, and a ventilation space is reserved between the air volume multiplier 3 and the inner wall of the air pipe 2; the ventilation pipe 4 is communicated from the outside of the air pipe 2, and the air pipe 2 is connected with an air inlet 305 of the air volume multiplying pipe 3.

When the range hood is used, the fan 5 is started, the fan 5 blows air into the pipe body of the air volume multiplying pipe 3 through the vent pipe 4, then a uniform thin air curtain is blown out from the annular narrow slit 303 to form a negative pressure area, the inner side and the periphery of the air volume multiplying pipe 3 are influenced by negative pressure to form a multiplied air flow, oil smoke is taken away, and the oil smoke suction and exhaust effect is greatly improved. The structure that the traditional range hood uses the wind wheel to exhaust oil smoke is changed, so that the range hood has strong suction, low power consumption, small influence of oil stains and low use noise.

As shown in fig. 8 to 11, the present invention further discloses an integrated kitchen range, which comprises a cooking bench and the range hood with the above structure, wherein the range hood is connected with the cooking bench. The air pipe 2 of the range hood of the integrated cooker is arranged below the integrated cooker, and the structure is the prior art and is not described herein again.

Claims

1. A range hood comprises a machine body (1) and an air pipe (2), wherein the air pipe (2) is connected with the machine body (1); the method is characterized in that: the air pipe (2) is provided with an air volume multiplier; the air volume multiplier comprises an air volume multiplier tube (3), a ventilation tube (4) and a fan (5), an air outlet of the fan (5) is connected with the air volume multiplier tube (3) through the ventilation tube (4), and the fan (5) provides wind power for the air volume multiplier tube (3).

2. The range hood of claim 1, wherein: the air volume multiplier (3) is transversely arranged in the air pipe (2), and a ventilation space is reserved between the air volume multiplier (3) and the inner wall of the air pipe (2); the ventilation pipe (4) penetrates through the air pipe (2) from the outer side of the air pipe (2) and is connected with an air inlet (305) of the air volume multiplying pipe (3).

3. The range hood of claim 2, wherein: the air volume multiplier (3) comprises an annular spray pipe (301), a ventilation amplification ring (302) is formed on the inner side of the annular spray pipe (301), the inside of the pipe body of the annular spray pipe (301) is of a hollow structure, an annular narrow slit (303) is formed in the pipe wall of one end of the pipe body, and the annular narrow slit (303) is communicated with the inner cavity of the pipe body; the pipe wall outside the pipe body is provided with at least one air inlet (305), and the air inlet (305) is connected with the air outlet of the fan (5) through a ventilation pipe (4).

4. The range hood of claim 3, wherein: two air inlets (305) are symmetrically arranged on the pipe wall of the outer side of the pipe body.

5. The range hood of claim 3, wherein: the pipe wall of the outer side of the pipe body is provided with a connecting pipe (306) at the position of the air inlet (305), and the inner cavity of the connecting pipe (306) is communicated with the inner cavity of the pipe body.

6. The range hood of claim 5, wherein: the shape of a first through hole (307) on the cross section of the connecting pipe (306) is wide at one end and narrow at the other end, one end of the first through hole (307) far away from the annular narrow gap (303) is wide, and the first through hole is gradually narrowed as the first through hole is closer to the annular narrow gap (303); the shape of the air inlet (305) is matched with that of the first through hole (307).

7. The range hood of claim 3, wherein: the inner wall of the wider end of the first through hole (307) is an arc surface, and the inner wall of the narrower end of the first through hole (307) is also an arc surface.

8. The range hood of claim 3, wherein: the shape of the second through hole (304) on the cross section of the pipe body is oval, the annular narrow slit (303) is arranged on one side of the second through hole (304), and the annular narrow slit (303) is connected with the second through hole (304).

9. The range hood of claim 3, wherein: an annular support ring is arranged in the annular narrow slit (303), the annular support ring is provided with a first support ring and a second support ring, and the second support ring is arranged in the first support ring; the first supporting ring and the second supporting ring are connected through a connecting rib, and an air outlet gap is formed between the first supporting ring and the second supporting ring.

10. The range hood of claim 3, wherein: the annular nozzle (301) is in a circular ring shape, an elliptical ring shape or an 8-shaped shape.

11. The range hood of claim 5, wherein: the shape of the first through hole (307) on the cross section of the connecting pipe (306) is circular or oval.

12. The utility model provides an integrated kitchen, includes the top of a kitchen range, its characterized in that: a range hood as claimed in any one of claims 1 to 11, said range hood being connected to said cooktop.