CN221005161U - Fume exhaust pipe, air duct transfer pipe and kitchen electric device - Google Patents

Abstract

The utility model discloses a fume exhaust pipe, an air duct transfer pipe and a kitchen electric device, which comprise a fume inlet, a fume exhaust port and a fume exhaust cavity arranged in the fume exhaust pipe and used for communicating the fume inlet with the fume exhaust port, wherein at least a part of the surface in the fume exhaust cavity is provided with a first inclined guide surface which is obliquely arranged, the first inclined guide surface is provided with a high end and a low end, and the position, close to the low end of the first inclined guide surface, of the fume exhaust pipe is provided with an oil guide port for communicating the outside with the fume exhaust cavity. According to the utility model, grease accumulated in the smoke discharging cavity can be discharged through the oil guide port, so that the smoke discharging efficiency of the smoke discharging pipe is improved, and the cleanliness of the smoke discharging pipe is improved.

Description

Fume exhaust pipe, air duct transfer pipe and kitchen electric device

Technical Field

The application relates to the technical field of fume exhaust equipment, in particular to a fume exhaust pipe, an air duct transfer pipe and a kitchen electric device.

Background

The integrated kitchen and the range hood have the function of carrying out auxiliary discharge on the oil smoke waste gas generated by kitchen cooking. In order to discharge the oil fume, the integrated kitchen and the range hood are connected with the oil fume exhaust pipe, and the oil fume exhaust pipe can accumulate grease inside after long-time working, so that the problem of difficult cleaning is generated.

Disclosure of utility model

In a first aspect, the present application provides a fume exhaust pipe for reducing grease in the fume exhaust pipe.

The application provides a fume exhaust pipe, which adopts the following technical scheme:

The utility model provides a fume extraction pipe, includes inlet and exhaust port and sets up the fume extraction chamber that is used for intercommunication inlet and exhaust port in fume extraction pipe is inside, at least a part of the surface in the fume extraction chamber has the first slope guide surface that is the slope setting, first slope guide surface has high end and low end, fume extraction pipe is located the low end department that is close to first slope guide surface and is provided with the oil guide mouth that communicates outside and fume extraction chamber.

Optionally, the high end of the first inclined guide surface is closer to the smoke inlet or the smoke outlet than the low end of the first inclined guide surface.

Optionally, the at least two first inclined guiding surfaces are arranged, the oil guiding port is located between the low ends of the two first inclined guiding surfaces, the high end of one first inclined guiding surface is closer to the smoke inlet than the low end of the other first inclined guiding surface, and the high end of the other first inclined guiding surface is closer to the smoke outlet than the low end of the other first inclined guiding surface.

Optionally, a guide plate is disposed in the smoke exhaust cavity, and a surface of the guide plate forms at least part of the first inclined guide surface.

Optionally, the oil guide port is provided with the stand pipe, the both ends of stand pipe run through the intercommunication, the stand pipe is close to the perpendicular distance between the one end of oil guide port and the oil guide port is less than the stand pipe is kept away from the perpendicular distance between one end of oil guide port and the oil guide port.

In a second aspect, in order to reduce the overflow of grease from the connecting seam, the application provides an air duct transfer tube.

The utility model provides an air duct adapter, includes above-mentioned technical scheme a fume extraction pipe and connecting pipe, fume extraction pipe and connecting pipe are adjacent to be set up, fume extraction pipe's exhaust port with the inlet connection of connecting pipe, be provided with the second slope guide surface in the connecting pipe, be close to in the fume extraction pipe the free end of the first slope guide surface that fume extraction pipe's exhaust port department set up with the free end of second slope guide surface meets or be close to in the fume extraction pipe the free end of the first slope guide surface that fume extraction pipe's exhaust port set up with the free end of second slope guide surface has overlap under vertical projection.

Optionally, a connecting seam is formed between the fume exhaust pipe and the connecting pipe, and a projection of the connecting seam is located in the first inclined guide surface under a vertical projection.

Optionally, when the free end of the first inclined guide surface disposed near the smoke outlet of the smoke exhaust pipe and the free end of the second inclined guide surface have overlapping portions in vertical projection, the free end of the first inclined guide surface is located above the free end of the second inclined guide surface.

Optionally, when the free end of the first inclined guiding surface arranged at the position close to the smoke outlet of the smoke exhaust pipe in the smoke exhaust pipe is connected with the free end of the second inclined guiding surface, the connection part of the first inclined guiding surface and the second inclined guiding surface is arranged in a dislocation way with the connecting seam.

In order to facilitate the discharge of grease in the air duct transfer tube of the integrated kitchen, the application provides a kitchen electric device.

The kitchen electric device comprises an air duct system, a coaming and the oil fume exhaust pipe according to the technical scheme, wherein the air duct system is located in the coaming, one end of the air duct transfer pipe is connected with the air duct system, the other end of the air duct transfer pipe penetrates out of the coaming, an oil receiving port is formed in the bottom of the coaming, and oil dripped from the oil guiding port can be discharged through the oil receiving port.

In summary, the application has the following beneficial technical effects: utilize first slope guide surface, can make the grease drip of discharging fume intracavity accumulation to first slope guide surface on, flow to the oil guide mouth department along first slope guide surface and discharge to reduce the inside grease accumulation of discharging fume the intracavity, make the grease can follow the oil guide mouth and flow out, be convenient for carry out follow-up clean processing.

Drawings

Fig. 1 is a schematic view showing a view angle of a smoke exhaust pipe according to an embodiment of the present application.

Fig. 2 is a schematic view showing a structure of a smoke exhaust pipe according to another embodiment of the present application.

Fig. 3 is a schematic view of a part of a kitchen electric device according to an embodiment of the present application.

Fig. 4 is a schematic structural view of a connection pipe according to an embodiment of the present application.

Fig. 5 is a schematic structural view of another view of a connecting pipe according to an embodiment of the present application.

Fig. 6 is a schematic view of a part of a kitchen electric device according to an embodiment of the present application.

Fig. 7 is a schematic view of a kitchen electric device according to an embodiment of the present application.

Reference numerals illustrate: 1. a fume exhaust pipe; 101. a first fume exhaust pipe; 102. a connecting pipe; 11. a smoke inlet; 12. a smoke outlet; 13. a smoke discharging cavity; 2. a first inclined guide surface; 20. a second inclined guide surface; 3. an oil guide port; 21. a guide plate; 4. a guide tube; 41. a hose; 5. a flange; 61. a first connecting seam; 62. a second connecting joint; 7. an oil receiving port; 8. coaming plate; 9. an air duct system; 10. a transition port; 14. and a smoke tube transfer tube.

Description of the embodiments

The present application will be described in further detail with reference to the accompanying drawings.

The embodiment of the application discloses a fume exhaust pipe 1.

Referring to fig. 1, a smoke exhaust pipe 1 includes a smoke inlet 11, a smoke outlet 12, and a smoke exhaust cavity 13 for communicating the smoke inlet 11 with the smoke outlet 12, the smoke exhaust pipe 1 is used for connecting a smoke exhaust device and exhausting the smoke from the smoke inlet 11 to the smoke outlet 12, in the process, grease is easy to accumulate in the smoke exhaust cavity 13, in order to facilitate exhausting grease, at least a part of the surface in the smoke exhaust cavity 13 is provided with a first inclined guide surface 2 which is inclined, the first inclined guide surface 2 is provided with a high end and a low end, the smoke exhaust pipe 1 is positioned near the low end of the first inclined guide surface 2 and is provided with an oil guide port 3 for communicating the outside with the smoke exhaust cavity 13, so that part of grease accumulated in the smoke exhaust cavity 13 can drop down onto the first inclined guide surface 2 under the action of self gravity and flow to the oil guide port 3 along the first inclined guide surface 2, and is exhausted outwards from the oil guide port 3.

The cross section of the fume exhaust pipe 1 can be square or round, and can be selected according to practical conditions.

The inclined arrangement of the first inclined guide surface 2 is such that the surface of the first inclined guide surface 2 is disposed at an angle to the horizontal reference line, i.e., at least a portion of the first inclined guide surface 2 has a tendency to go from high to low when the smoke exhaust pipe 1 is installed, and the oil guide port 3 is located near the lower end of the first inclined guide surface 2. After the fume exhaust pipe 1 is installed, the surface of the first inclined guiding surface 2 is basically upward, so that the grease dropped on the surface of the first inclined guiding surface 2 can flow downwards along the first inclined guiding surface 2. Of course, the first inclined guiding surface 2 is not limited to only one surface, and may be formed by connecting a plurality of inclined surfaces, and the surface of the first inclined guiding surface 2 may be a plane or an arc surface, so long as the first inclined guiding surface 2 can at least receive part of the grease dropping from the inner wall of the fume exhaust cavity 13 after the fume exhaust pipe 1 is installed, and can guide the grease from high to low to the oil guiding port 3.

Referring to fig. 1 and 2, in some embodiments, an inner wall of the smoke discharging cavity 13 is provided with a inclined guide plate 21, one surface of the guide plate 21 is at least partially formed as a first inclined guide surface 2, the guide plate 21 is fixedly connected to the inner wall of the smoke discharging cavity 13, the bottom of the guide plate 21 is connected with the inner wall of the smoke discharging cavity 13 through a connecting plate, the guide plate 21 can also be integrally formed on the inner wall of the smoke discharging cavity 13, the high end of the guide plate 21 extends to be close to the smoke inlet 11 or the smoke outlet 12, that is, the high end of the first inclined guide surface 2 on the guide plate 21 is closer to the smoke inlet 11 or the smoke outlet 12 than the low end of the first inclined guide surface 2, so that grease oozed out from the end of the oil discharging tube 1 can drop onto the first inclined guide surface 2.

In some embodiments, the first inclined guide surface 2 may be formed by part of the inner wall of the smoke evacuation chamber 13.

In some embodiments, the first inclined guide surface 2 may include both a portion provided on the guide plate 21 and a portion formed by a portion of the inner wall of the smoke evacuation chamber 13. In this embodiment, a guide plate 21 is disposed in the smoke discharging cavity 13, and part of the inner wall of the smoke discharging cavity 13 forms a first inclined guide surface 3, the oil guide port 3 is located between the lower ends of the two first inclined guide surfaces 2, the high end of one first inclined guide surface 2 is closer to the smoke inlet 11 than the lower end thereof, and the high end of the other first inclined guide surface 2 is closer to the smoke outlet 12 than the lower end thereof.

The first inclined guide surface 2 in the smoke evacuation chamber 13 may be provided in plurality and surround the oil guide port 3, and in some embodiments, the plurality of first inclined guide surfaces 2 may form a cambered surface or a conical surface.

In this embodiment, the oil guiding port 3 is long and penetrates through the inner and outer peripheral walls of the fume exhaust pipe 1, and the extending length of the oil guiding port 3 is close to the width of the fume exhaust pipe 1, so that more grease can be discharged through the oil guiding port 3.

Referring to fig. 3, in order to guide the oil at the oil guide port 3 to a designated position, the outer peripheral wall of the fume exhaust pipe 1 is provided with a guide pipe 4 at the oil guide port 3, the guide pipe 4 may be made of the same material as the fume exhaust pipe 1, the guide pipe 4 may also be a flexible pipe 41 with an adjustable angle, the guide pipe 4 has a certain length, at least part of the inner wall of the guide pipe 4 is also inclined, and the vertical distance between one end of the guide pipe 4 close to the oil guide port 3 and the oil guide port 3 is smaller than the vertical distance between one end of the guide pipe 4 far away from the oil guide port 3 and the oil guide port 3, so that the grease entering the guide pipe 4 can flow downwards by means of the gravity of the grease.

Referring to fig. 3, the embodiment of the present application further discloses an air duct adapter, including a first fume exhaust pipe 101 and a connecting pipe 102, where the first fume exhaust pipe 101 is a fume exhaust pipe 1 described in the foregoing embodiment, the first fume exhaust pipe 101 and the connecting pipe 102 are disposed adjacently, a fume inlet 11 of the connecting pipe 102 is connected with a fume outlet 12 of the first fume exhaust pipe 101, the first fume exhaust pipe 101 and the connecting pipe 102 form a connecting seam between the first fume exhaust pipe 101 and the connecting pipe 102 after being connected, and a projection of the connecting seam is located in the first inclined guiding surface 2 under a vertical projection, so that the first inclined guiding surface 2 can receive grease oozed from the connecting seam.

Referring to fig. 3 to 5, in the present embodiment, the opposite ends of the first smoke exhaust pipe 101 and the connection pipe 102 are provided with flanges 5 and the connection of the first smoke exhaust pipe 101 and the connection pipe 102 is achieved through the flanges 5, the two flanges 5 are square flanges 5, and the two flanges 5 are fixed by bolts.

Referring to fig. 6, at least one inclined second inclined guide surface 20 is provided in the connection pipe 102, the second inclined guide surface 20 may be formed by the surface of the guide plate 21 provided in the connection pipe 102 or may be formed by the inner wall of the connection pipe 102, and when the first smoke exhaust pipe 101 and the connection pipe 102 are installed, the free end of the first inclined guide surface 2 provided near the smoke outlet 12 of the smoke exhaust pipe 1 in the smoke exhaust pipe 1 is connected with the free end of the second inclined guide surface 20 or the free end of the first inclined guide surface 2 provided near the smoke outlet 12 of the smoke exhaust pipe 1 in the smoke exhaust pipe 1 and the free end of the second inclined guide surface 20 have an overlapping portion in vertical projection, so that the grease overflowing at the connection joint between the first smoke exhaust pipe 101 and the connection pipe 102 can drop onto the first inclined guide surface 2 or the second inclined guide surface 20.

When the free end of the first inclined guide surface 2 and the free end of the second inclined guide surface 20, which are disposed in the smoke exhaust pipe 1 near the smoke outlet 12 of the smoke exhaust pipe 1, have overlapping portions in vertical projection, the free end of the first inclined guide surface 2 is located above the free end of the second inclined guide surface 20, so that the obstruction of the first inclined guide surface 2 to the smoke during the internal exhaust process can be reduced.

In some embodiments, the first inclined guide 2 may be located below the second inclined guide surface 20. When the free end of the first inclined guide surface 2 near the smoke outlet 12 of the smoke exhaust pipe 1 is connected with the free end of the second inclined guide surface 20 in the smoke exhaust pipe 1, the connection part of the first inclined guide surface 2 and the second inclined guide surface 20 is arranged in a dislocation manner with the connecting seam, and the connection part of the first inclined guide surface 2 and the second inclined guide surface 20 is not right below the connecting seam. The first inclined guide surface 2 and the second inclined guide surface 20 may be in contact with each other or may be in close proximity to each other to form a gap in the range of 2mm to 3 mm.

In this embodiment, the two ends of the first fume exhaust pipe 101 are provided with flanges 5, one end of the connecting pipe 102 is provided with a flange 5, the outer wall of the other end is provided with a plurality of clamping blocks along the circumferential direction, and the fume exhaust pipe 14 is connected with the fume exhaust pipe through the clamping blocks, and the end part of the fume exhaust pipe 14 is provided with a clamping groove for clamping the clamping blocks.

Referring to fig. 6 and 7, the embodiment of the application also discloses a kitchen electric device, which can be an integrated kitchen range or a kitchen ventilator, and comprises an air duct system 9, a coaming 8 and an oil fume discharging pipe 1 or an air duct switching pipe disclosed in the above embodiment, wherein the air duct system 9 is positioned in a space surrounded by the coaming 8, one end of the oil fume discharging pipe 1 or the air duct switching pipe is connected with the air duct system 9, the other end of the oil fume discharging pipe penetrates out of the coaming 8, the bottom of the coaming 8 is provided with an oil receiving port 7, and oil dripped at the oil guiding port 3 can be discharged through the oil receiving port 7.

In this embodiment, the first fume exhaust pipe 101 and the connecting pipe 102 are connected to form the first connecting seam 61, the connecting pipe 102 and the fume pipe transfer pipe 14 are connected to form the second connecting seam 62, and the first fume exhaust pipe 101 is located inside the enclosing plate 8, then the oil guiding port 3 of the first fume exhaust pipe 101 is also located inside the space enclosed by the enclosing plate 8, the oil receiving port 7 communicated with the outside is arranged on the bottom surface inside the enclosing plate 8, the bottom surface inside the enclosing plate 8 is inclined around the inner wall of the oil receiving port 7, and the oil receiving port 7 is located at the lowest position of the bottom surface inside the enclosing plate 8. The kitchen electric device further comprises an oil collecting box arranged at the bottom of the oil receiving port 7 and used for receiving grease dripping from the oil receiving port 7.

The position of the first connecting seam 61 is located at the side wall of the coaming 8, so that the oil guide port 3 of the connecting pipe 102 is located outside the space surrounded by the coaming 8, the hose 41 is connected to the oil guide port 3, a transition port 10 for communicating the inner cavity of the hose 41 is arranged at the flange 5 of the connecting pipe 102, the transition port 10 penetrates through the flange 5, and grease in the inner cavity of the hose 41 can enter the oil receiving port 7 of the inner bottom surface of the coaming 8 through the transition port 10.

In some embodiments, the transition port 10 may also be provided directly in the sidewall of the shroud 8.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A fume exhaust pipe (1) comprising a fume inlet (11) and a fume outlet (12) and a fume exhaust cavity (13) for communicating the fume inlet (11) and the fume outlet (12), characterized in that: at least a part of the surface in the smoke discharging cavity (13) is provided with a first inclined guide surface (2) which is obliquely arranged, the first inclined guide surface (2) is provided with a high end and a low end, and the oil guiding port (3) which is communicated with the outside and the smoke discharging cavity (13) is arranged at the low end of the smoke discharging pipe (1) close to the first inclined guide surface (2).

2. A fume exhaust pipe (1) according to claim 1, characterized in that: the high end of the first inclined guide surface (2) is closer to the smoke inlet (11) or the smoke outlet (12) than the low end of the first inclined guide surface (2).

3. A fume exhaust pipe (1) according to claim 1, characterized in that: the two first inclined guide surfaces (2) are at least two, the oil guide port (3) is positioned between the low ends of the two first inclined guide surfaces (2), the high end of one first inclined guide surface (2) is closer to the smoke inlet (11) than the low end of the other first inclined guide surface (2), and the high end of the other first inclined guide surface (2) is closer to the smoke outlet (12) than the low end of the other first inclined guide surface.

4. A fume exhaust pipe (1) according to claim 1, characterized in that: a guide plate (21) is arranged in the smoke discharging cavity (13), and one surface of the guide plate (21) forms at least part of the first inclined guide surface (2).

5. A fume exhaust pipe (1) according to any one of claims 1-4, characterized in that: the oil guide port (3) is provided with a guide pipe (4), two ends of the guide pipe (4) are communicated in a penetrating mode, and the vertical distance between one end, close to the oil guide port (3), of the guide pipe (4) and the oil guide port (3) is smaller than the vertical distance between one end, far away from the oil guide port (3), of the guide pipe (4) and the oil guide port (3).

6. An air duct transfer tube, which is characterized in that: the smoke exhaust pipe (1) and the connecting pipe (102) comprise any one of the above claims 1-5, the smoke exhaust pipe (1) and the connecting pipe (102) are adjacently arranged, a smoke outlet (12) of the smoke exhaust pipe (1) is connected with a smoke inlet (11) of the connecting pipe (102), a second inclined guide surface (20) is arranged in the connecting pipe (102), and the free end part of a first inclined guide surface (2) which is arranged in the smoke exhaust pipe (1) and is close to the smoke outlet (12) of the smoke exhaust pipe (1) is connected with the free end part of the second inclined guide surface (20), or the free end part of the first inclined guide surface (2) which is arranged in the smoke exhaust pipe (1) and is close to the smoke outlet (12) of the smoke exhaust pipe (1) are provided with overlapping parts under vertical projection.

7. The duct transfer adapter of claim 6, wherein: a connecting seam is formed between the fume exhaust pipe (1) and the connecting pipe (102), and the projection of the connecting seam is positioned in the first inclined guide surface (2) under the vertical projection.

8. The duct transfer adapter of claim 6, wherein: when the free end of the first inclined guide surface (2) which is arranged close to the smoke outlet (12) of the smoke exhaust pipe (1) in the smoke exhaust pipe (1) and the free end of the second inclined guide surface (20) are provided with overlapping parts in vertical projection, the free end of the first inclined guide surface (2) is positioned above the free end of the second inclined guide surface (20).

9. The duct transfer adapter of claim 7, wherein: when the free end of the first inclined guide surface (2) which is arranged in the fume exhaust pipe (1) and is close to the fume exhaust port (12) of the fume exhaust pipe (1) is connected with the free end of the second inclined guide surface (20), the connection part of the first inclined guide surface (2) and the second inclined guide surface (20) is arranged in a staggered manner with the connecting seam.

10. A kitchen appliance, characterized in that: the kitchen fume exhaust pipe (1) comprises an air duct system (9), a coaming (8) and any one of the above claims 1-5, wherein the air duct system (9) is positioned in the coaming (8), one end of the kitchen fume exhaust pipe (1) is connected with the air duct system (9), the other end of the kitchen fume exhaust pipe penetrates out of the coaming (8), an oil receiving port (7) is arranged at the bottom of the coaming (8), and oil dripped at the oil guiding port (3) can be discharged through the oil receiving port (7).