Residential kitchen and bath exhaust passage

Abstract

The utility model discloses a residential kitchen and bath exhaust duct which comprises an exhaust duct body, a vertical partition plate is arranged in the exhaust duct body and divides the exhaust duct body into a through hole auxiliary air duct, a through hole main air duct and a guide auxiliary air duct, the upper end of the guide auxiliary air duct is open, and the lower end of the guide auxiliary air duct is provided with a guide partition plate for sealing. An air inlet communicated with the guide auxiliary air channel is formed in the side face of the exhaust pipeline, a variable pressure area of the through hole main air channel is formed between the guide auxiliary air channel and the through hole auxiliary air channel, and the upper end of the guide auxiliary air channel of the lower exhaust pipeline and the lower end of the through hole auxiliary air channel of the upper exhaust pipeline are in butt joint to form an auxiliary exhaust pipeline. According to the utility model, the variable-pressure area is arranged, the auxiliary exhaust passage is lengthened, vortexes are not easy to form, smoke and smell channeling is avoided, the installation is easy, and batch production is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust flue technical field, especially a residential kitchen and bathroom exhaust flue. BACKGROUND

[0002] There are two kinds of row type exhaust flues in the existing market, exhaust flue with auxiliary flue and single hole exhaust flue. The previous auxiliary flue is arranged in sequence from top to bottom, the lower end of the auxiliary flue is sealed through a partition plate, the side surface is provided with an air outlet hole to exhaust air to the main flue, and the lower air inlet is connected with an extractor fan. For example, CN2425160Y discloses a residential common exhaust flue pipe, an exhaust air outlet hole is arranged on the outer side of the exhaust flue pipe, a partition plate is connected to one side of the exhaust flue pipe, the lower end of the partition plate is connected with the inner wall of the exhaust flue pipe and is closed, and the upper end of the partition plate is open, so that the exhaust flue pipe is divided into a mother flue and a son flue, the slightly upper part of the lower end of the partition plate corresponds to the exhaust air outlet hole, an oil smoke cleaning hole is arranged on the outer side of the exhaust flue pipe and corresponds to the lower end of the partition plate in the exhaust flue pipe. However, since the auxiliary flue is arranged in sequence, the length of the auxiliary flue is limited, and when the auxiliary flue exhausts air to the main flue, vortex is easily formed, which causes certain resistance to the main flue. The single hole exhaust flue is directly supplied with air by an external check valve type flow guide, and the phenomenon of smoke and odor leakage is easily caused. SUMMARY

[0003] In view of the problems in the prior art, the utility model provides a residential kitchen and bathroom exhaust flue which is provided with a variable pressure area and an auxiliary exhaust flue and is not easy to form vortex and cause smoke and odor leakage.

[0004] The utility model discloses a residential kitchen and bathroom exhaust flue which is provided with a variable pressure area and an auxiliary exhaust flue and is not easy to form vortex and cause smoke and odor leakage.

[0005] A residential kitchen and bathroom exhaust flue, comprising an exhaust pipeline, a vertical partition plate is arranged in the exhaust pipeline, the vertical partition plate divides the exhaust pipeline into a through hole auxiliary flue, a through hole main flue and a guide auxiliary flue, the upper end of the guide auxiliary flue is open, and the lower end of the guide auxiliary flue is sealed through a guide partition plate, an air inlet hole is formed in the side surface of the exhaust pipeline and is communicated with the guide auxiliary flue, a variable pressure area of the through hole main flue is formed between the guide auxiliary flue and the through hole auxiliary flue, and the upper end of the guide auxiliary flue of the lower section of the exhaust pipeline and the lower end of the through hole auxiliary flue of the upper section of the exhaust pipeline are connected to form an auxiliary exhaust flue.

[0006] The vertical partition plate comprises a first vertical partition plate and a second vertical partition plate, the first vertical partition plate and the inner wall of the exhaust pipeline jointly form the through hole auxiliary flue, the second vertical partition plate and the inner wall of the exhaust pipeline jointly form the guide auxiliary flue, and the first vertical partition plate and the second vertical partition plate and the inner wall of the exhaust pipeline jointly form the through hole main flue.

[0007] The upper end of the guide sub-air channel and the lower end of the through-hole sub-air channel are both in the shape of a triangular or polygonal end face, the upper end of the second vertical partition plate is flush with the upper end of the exhaust duct, and the two ends of the first vertical partition plate are flush with the two ends of the exhaust duct.

[0008] The end face opening shape of the through-hole sub-air channel and the guide sub-air channel is triangular or polygonal.

[0009] The through-hole sub-air channel and the guide sub-air channel are symmetrically arranged left and right or centrally.

[0010] A supporting piece is arranged at the connection between each exhaust duct, the upper end of the guide sub-air channel of the lower exhaust duct and the lower end of the through-hole sub-air channel of the upper exhaust duct are butted through the supporting piece to form a sub-exhaust channel.

[0011] A reinforcing rib is arranged on the supporting piece, and the shape enclosed by the reinforcing rib and the frame of the supporting piece is consistent with the sub-exhaust channel.

[0012] The reinforcing rib is used to support the weight of the first vertical partition plate and form a seal between the first vertical partition plate and the second vertical partition plate.

[0013] The guide partition plate is inclined to the center of the exhaust duct.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model has a variable pressure area, a sub-exhaust channel growth, is not easy to form vortex, does not smoke and smell, is easy to install, and is convenient for batch production. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of a one-section exhaust flue of the utility model embodiment 1.

[0016] Figure 2 It is a structure schematic view of a multi-section exhaust flue of the utility model embodiment 1.

[0017] Figure 3 It is a structure schematic view of a supporting piece of the utility model embodiment 1.

[0018] Figure 4 It is a structure schematic view of a multi-section exhaust flue of the utility model embodiment 2.

[0019] Figure 5 It is a structure schematic view of a multi-section exhaust flue of the utility model embodiment 3.

[0020] In the drawing: 1, variable pressure area 2, guide sub-air channel 3, through-hole sub-air channel 4, second vertical partition plate 5, air inlet 6, guide partition plate 7, first vertical partition plate 8, exhaust duct 9, through-hole main air channel 10, supporting piece 11, reinforcing rib. DETAILED DESCRIPTION

[0021] The utility model will be described in detail below in combination with the drawings and specific embodiments. Embodiment

[0022] As Figure 1 shown, a residential kitchen and bathroom exhaust duct, including exhaust duct, the first vertical baffle and second vertical baffle are provided in the exhaust duct, the first vertical baffle and exhaust duct inner wall enclose into through hole auxiliary air duct, the second vertical baffle and exhaust duct inner wall enclose into guide auxiliary air duct, the first vertical baffle and second vertical baffle and exhaust duct inner wall enclose into through hole main air duct, the guide auxiliary air duct is open in the upper end, and the lower end is provided with guide baffle seal, the exhaust duct side is provided with the air inlet that communicates with guide auxiliary air duct, the guide auxiliary air duct and through hole auxiliary air duct form the variable pressure area of through hole main air duct between.The guide baffle is inclined to the center of exhaust duct.

[0023] As Figure 2 shown, the upper end of the guide auxiliary air duct of the lower section exhaust duct and the lower end of the through hole auxiliary air duct of the upper section exhaust duct are butt jointed to form auxiliary exhaust duct.

[0024] The upper end of the guide auxiliary air duct and the lower end of the through hole auxiliary air duct opening end face shape are all same, the both ends of the first vertical baffle are flush with the both ends of the exhaust duct, and the upper end of the second vertical baffle is flush with the upper end of the exhaust duct.

[0025] The through hole auxiliary air duct and the guide auxiliary air duct end face opening shape are triangle.

[0026] The through hole auxiliary air duct and the guide auxiliary air duct are symmetrically arranged, and can be centrally symmetrically arranged.

[0027] The connecting place between each section exhaust duct is provided with a supporting piece, and the upper end of the guide auxiliary air duct of the lower section exhaust duct and the lower end of the through hole auxiliary air duct of the upper section exhaust duct are butt jointed to form auxiliary exhaust duct through the supporting piece.

[0028] As Figure 3 shown, the supporting piece is provided with a reinforcing rib for supporting the weight of the first vertical baffle and forming a seal between the first vertical baffle and the second vertical baffle.

[0029] The reinforcing rib is provided on the supporting piece, and the shape enclosed by the reinforcing rib and the supporting piece frame is consistent with the auxiliary exhaust duct.

[0030] Embodiments 2 and 3

[0031] As Figure 4 and 5As shown, a residential kitchen and bathroom exhaust duct includes an exhaust duct, a vertical partition is arranged in the exhaust duct, the vertical partition divides the exhaust duct into a through-hole auxiliary duct, a through-hole main duct and a guide auxiliary duct, the upper end of the guide auxiliary duct is open, the lower end is sealed by a guide partition, an air inlet is arranged on the side of the exhaust duct and communicates with the guide auxiliary duct, the guide auxiliary duct and the through-hole auxiliary duct form a variable pressure area of the through-hole main duct, and the upper end of the guide auxiliary duct of the lower section of the exhaust duct and the lower end of the through-hole auxiliary duct of the upper section of the exhaust duct are connected to form an auxiliary exhaust duct.

[0032] The upper end of the guide auxiliary duct and the lower end of the through-hole auxiliary duct are the same in shape, the two end portions of the first vertical partition are flush with the two end portions of the exhaust duct, and the upper end portion of the second vertical partition is flush with the upper end portion of the exhaust duct.

[0033] The end face opening shape of the through-hole auxiliary duct and the guide auxiliary duct is rectangular. The vertical partitions of the through-hole auxiliary duct and the guide auxiliary duct can be shared (such as Figure 4 ) or not shared (such as Figure 5 ).

[0034] The through-hole auxiliary duct and the guide auxiliary duct are arranged symmetrically or centrally.

Claims

1. A residential kitchen and bathroom exhaust duct, comprising an exhaust pipe, characterized in that A vertical partition is provided in the exhaust duct, which divides the exhaust duct into a through-hole secondary air duct, a through-hole main air duct and a guide secondary air duct. The upper end of the guide secondary air duct is open, and the lower end is provided with a guide partition seal. An air inlet connected to the guide secondary air duct is provided on the side of the exhaust duct. A pressure change area of ​​the through-hole main air duct is formed between the guide secondary air duct and the through-hole secondary air duct. The upper end of the guide secondary air duct of the lower exhaust duct and the lower end of the through-hole secondary air duct of the upper exhaust duct are connected to form a secondary exhaust duct.

2. A residential kitchen and bathroom exhaust duct according to claim 1, characterized in that The vertical partition includes a first vertical partition and a second vertical partition. The first vertical partition and the inner wall of the exhaust pipe are combined to form a through-hole secondary air duct, the second vertical partition and the inner wall of the exhaust pipe are combined to form a guide secondary air duct, and the first vertical partition and the second vertical partition and the inner wall of the exhaust pipe are combined to form a through-hole main air duct.

3. A residential kitchen and bathroom exhaust duct according to claim 2, characterized in that The upper end of the guide auxiliary air duct and the lower end of the through-hole auxiliary air duct have the same opening end surface shape, the two ends of the first vertical partition are flush with the two ends of the exhaust pipe, and the upper end of the second vertical partition is flush with the upper end of the exhaust pipe.

4. A residential kitchen and bathroom exhaust duct according to claim 1 or 2, characterized in that The opening shapes of the end faces of the through-hole auxiliary airway and the guide auxiliary airway are triangular or polygonal.

5. A residential kitchen and bathroom exhaust duct according to claim 1 or 2, characterized in that The through-hole auxiliary airway and the guide auxiliary airway are arranged bilaterally symmetrically or centrally symmetrically.

6. A residential kitchen and bathroom exhaust duct according to claim 1 or 2, characterized in that A supporting member is provided at the connection between each section of the exhaust pipe, and the upper end of the guide secondary air duct of the lower section of the exhaust pipe and the lower end of the through-hole secondary air duct of the upper section of the exhaust pipe are connected through the supporting member to form a secondary exhaust duct.

7. A residential kitchen and bathroom exhaust duct according to claim 6, characterized in that The supporting member is provided with reinforcing ribs, and the shape enclosed by the reinforcing ribs and the supporting member frame is consistent with the auxiliary exhaust duct.

8. A residential kitchen and bathroom exhaust duct according to claim 7, characterized in that The reinforcing ribs are used to support the weight of the first vertical partition and to form a seal between the first vertical partition and the second vertical partition.

9. The residential kitchen and bathroom exhaust duct according to claim 1, characterized in that The guide baffle is inclined toward the center of the exhaust pipe.

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