CN210239059U

CN210239059U - Wind-force direction type unpowered hood

Info

Publication number: CN210239059U
Application number: CN201920759042.1U
Authority: CN
Inventors: Ruizeng Yuan; 原瑞增; Yunfei Jia; 贾云飞; Yujie Wu; 吴玉杰; Zhixiang Wu; 吴志湘; Pengfei Yu; 于鹏飞; Yongchang Wang; 王永昌; Gang Qiao; 乔刚; Ran Li; 李冉; Yuan Wang; 王渊; Yan Xu; 许艳
Original assignee: Henan Provincial Academy Of Building Research Co ltd
Current assignee: Henan Provincial Academy Of Building Research Co ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-04-03
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to an unpowered hood of wind-force direction type, the hood sets up the air outlet department in the wind channel, the hood includes first blast pipe, second blast pipe and fluidic device, and first blast pipe internal fixation is provided with first mount, the fixed bearing that is provided with of first mount center department, the second blast pipe lower extreme registrates on first blast pipe, and the second blast pipe internal fixation is provided with the second mount, second mount center department is provided with vertical decurrent pivot, pivot upper end and second mount fixed connection, lower extreme fixed cover close in the bearing, and fluidic device comprises air inlet section, draws section and air-out section, draws section middle part and second blast pipe intercommunication and sealed fixed connection. An object of the utility model is to solve current hood and discharge fume when the air flows not smooth or only at the effectual problem of specific wind direction, provide a unpowered hood of wind-force direction type.

Description

Wind-force direction type unpowered hood

Technical Field

The utility model relates to a production facility technical field especially relates to an unpowered hood of wind-force direction type.

Background

The building exhaust air cap is mainly matched with a smoke exhaust air passage of a building kitchen and a toilet for use, smoke exhaust and ventilation efficiency of the smoke exhaust air passage can be effectively improved through installation of the air cap, backflow of the smoke exhaust air passage is prevented, rainwater is prevented from entering the smoke exhaust air passage, and the like. However, the wind caps are all installed on the roofs of the high-rise buildings, so that the existence and the importance of the wind caps are easily ignored.

The rain shield is arranged at the top of the rigid shaft of the existing building smoke exhaust air passage, the exhaust holes are formed in the periphery of the rigid shaft, the smoke exhaust effect is good when no air flows, the phenomena of unsmooth smoke exhaust and even backward flow of smoke can be formed when air flows, a square wind-proof rain shield cap is also formed, and due to the simple structure, certain effect is achieved only in a specific direction, and unsmooth air exhaust can be formed in other directions.

Disclosure of Invention

An object of the utility model is to solve current hood and discharge fume when the air flows not smooth or only at the effectual problem of specific wind direction, provide a unpowered hood of wind-force direction type.

In order to achieve the above object, the utility model adopts the following technical scheme:

a wind-force guiding unpowered hood is arranged at an air outlet of an air duct and comprises a first exhaust pipe, a second exhaust pipe and a jet device, wherein the lower end of the first exhaust pipe is fixedly connected with the air duct, the lower end of the second exhaust pipe is rotatably connected with the first exhaust pipe, and the upper end of the second exhaust pipe is communicated with the jet device;

the first exhaust pipe and the second exhaust pipe are both hollow cylindrical, a first fixing frame is fixedly arranged in the first exhaust pipe, a bearing is fixedly arranged at the center of the first fixing frame, the lower end of the second exhaust pipe is sleeved on the first exhaust pipe, a second fixing frame is fixedly arranged in the second exhaust pipe, a vertically downward rotating shaft is arranged at the center of the second fixing frame, the upper end of the rotating shaft is fixedly connected with the second fixing frame, and the lower end of the rotating shaft is fixedly sleeved in the bearing;

the jet device is hollow shell shape with two open ends, and is composed of an air inlet section, an injection section and an air outlet section, wherein the air inlet section, the injection section and the air outlet section are integrally formed, the injection section is in a circular tube shape, two ends of the injection section are respectively connected with the air inlet section and the air outlet section in a smooth transition mode, and the middle of the injection section is communicated with the second exhaust pipe and is fixedly connected with the second exhaust pipe in a sealing mode.

Further, first mount comprises a plurality of first dead lever, first dead lever uses the axis of first blast pipe as the even setting of centre of a circle circumference, the one end of first dead lever and the inner wall fixed connection of first blast pipe, the other end and the outer wall fixed connection of bearing.

Furthermore, the second fixing frame is composed of a plurality of second fixing rods, the second fixing rods are evenly arranged on the circumference with the central axis of the second exhaust pipe as the center of a circle, one end of each second fixing rod is fixedly connected with the inner wall of the second exhaust pipe, and the other end of each second fixing rod is fixedly connected with the outer wall of the rotating shaft.

Furthermore, the width of one end of the air inlet section, which is far away from the injection section, is greater than the height of the air inlet section; the height of one end of the air outlet section, which is far away from the injection section, is larger than the width of the air outlet section.

Furthermore, the one end that the section was kept away from and is drawn the injection section to the air inlet section and the one end that the section was kept away from and is drawn the injection section to the air outlet section all are oval.

Furthermore, the air outlet section is vertically provided with two tail wings which are vertically and symmetrically arranged, and the tail wings are vertical plate-shaped.

Furthermore, one end of the tail wing is fixedly connected with the air outlet section, and the other end of the tail wing is arc-shaped.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model discloses utilized the efflux principle in the hydrodynamics to come indoor dirty air to discharge into outdoors, when outdoor air passes through the air inlet section and gets into the injection section, because the air current velocity of flow increases and leads to the static pressure to reduce in the injection section, form local negative pressure and then take out the interior dirty air of building through first blast pipe and the second blast pipe that communicates with the wind channel; the utility model does not need power facilities, and ensures the safety and environmental protection of the operation of the hood; first blast pipe and second blast pipe rotate to be connected, through fluidic device's shape, make fluidic device according to wind direction automatically regulated direction, have further guaranteed that the efflux effect is stable effective.

Drawings

Fig. 1 is a schematic structural view of a wind-guiding unpowered hood of the present invention.

Fig. 2 is a schematic structural diagram of the jet device of the wind-guiding unpowered hood of the present invention.

Fig. 3 is a cross-sectional view taken along a-a in fig. 1 of a wind-guiding unpowered hood according to the present invention.

Fig. 4 is a cross-sectional view of the wind-guiding unpowered hood of the present invention at B-B in fig. 1.

The reference numbers in the drawings are as follows: 1 is the wind channel, 2 is first blast pipe, 3 is the second blast pipe, 4 is fluidic device, 5 is first mount, 6 is the bearing, 7 is the second mount, 8 is the pivot, 9 is first dead lever, 10 is the second dead lever, 401 is the air inlet section, 402 is for drawing the penetrating section, 403 is the air-out section, 404 is the fin.

Detailed Description

The invention will be further explained with reference to the drawings and the detailed description below:

as shown in fig. 1-4, the wind-guiding unpowered hood is arranged at an air outlet of an air duct 1, and comprises a first exhaust pipe 2, a second exhaust pipe 3 and a jet device 4, wherein the lower end of the first exhaust pipe 2 is fixedly connected with the air duct 1, the lower end of the second exhaust pipe 3 is rotatably connected with the first exhaust pipe 2, and the upper end of the second exhaust pipe is communicated with the jet device 4;

the first exhaust pipe 2 and the second exhaust pipe 3 are both hollow cylindrical, a first fixing frame 5 is fixedly arranged in the first exhaust pipe 2, a bearing 6 is fixedly arranged at the center of the first fixing frame 5, the lower end of the second exhaust pipe 3 is sleeved on the first exhaust pipe 2, a second fixing frame 7 is fixedly arranged in the second exhaust pipe 3, a vertically downward rotating shaft 8 is arranged at the center of the second fixing frame 7, the upper end of the rotating shaft 8 is fixedly connected with the second fixing frame 7, and the lower end of the rotating shaft is fixedly sleeved in the bearing 6; the flexible rotation along with wind power is ensured;

the jet device 4 is in the shape of a hollow shell with openings at two ends, the jet device 4 is composed of an air inlet section 401, an injection section 402 and an air outlet section 403, the air inlet section 401, the injection section 402 and the air outlet section 403 are integrally formed, the injection section 402 is in a circular tube shape, two ends of the injection section 402 are respectively in smooth transition connection with the air inlet section 401 and the air outlet section 403, and the middle of the injection section 402 is communicated with the second exhaust pipe 3 and is fixedly connected with the second exhaust pipe in a sealing mode.

In order to optimize the product structure, in this embodiment, the first fixing frame 5 is composed of a plurality of first fixing rods 9, the first fixing rods 9 are uniformly arranged on the circumference with the central axis of the first exhaust pipe 2 as the center of a circle, one end of each first fixing rod 9 is fixedly connected with the inner wall of the first exhaust pipe 2, and the other end of each first fixing rod 9 is fixedly connected with the outer wall of the bearing 6; the second fixing frame 7 is composed of a plurality of second fixing rods 10, the second fixing rods 10 are evenly arranged on the circumference of the second exhaust pipe 3 by taking the central axis of the second exhaust pipe as the center of a circle, one end of each second fixing rod 10 is fixedly connected with the inner wall of the second exhaust pipe 3, and the other end of each second fixing rod is fixedly connected with the outer wall of the rotating shaft 8.

In order to ensure that the direction of the hood can be automatically adjusted along with the wind direction, in this embodiment, the width of one end of the air inlet section 401, which is far away from the injection section 402, is greater than the height; the height of one end of the air outlet section 403 far away from the injection section 402 is larger than the width; the end of the air inlet section 401 far away from the injection section 402 and the end of the air outlet section 403 far away from the injection section 402 are both oval.

In order to enable the direction of the hood to be adjusted along with the wind direction, in this embodiment, the air outlet section 403 is vertically provided with two tail wings 404, the two tail wings 404 are vertically and symmetrically arranged, and the tail wings 404 are in a vertical plate shape; one end of the tail wing 404 is fixedly connected with the air outlet section 403, and the other end of the tail wing is arc-shaped.

The utility model discloses utilized the efflux principle in the hydrodynamics to come indoor dirty air to discharge into outdoors, when outdoor air gets into through air inlet section 401 and draws the section 402, draw the section 402 in because the air current velocity of flow increases and lead to the static pressure to reduce, form local negative pressure and then draw out the interior dirty air of building through first blast pipe 2 and the second blast pipe 3 that communicate with wind channel 1; the utility model does not need power facilities, and ensures the safety and environmental protection of the operation of the hood; first blast pipe 2 and second blast pipe 3 rotate to be connected, through fluidic device 4's shape, make fluidic device 4 according to wind direction automatically regulated direction, have further guaranteed that the efflux effect is stable effective.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A wind-force guiding unpowered hood is arranged at an air outlet of an air duct (1), and is characterized by comprising a first exhaust pipe (2), a second exhaust pipe (3) and a jet device (4), wherein the lower end of the first exhaust pipe (2) is fixedly connected with the air duct (1), the lower end of the second exhaust pipe (3) is rotatably connected with the first exhaust pipe (2), and the upper end of the second exhaust pipe is communicated with the jet device (4);

the first exhaust pipe (2) and the second exhaust pipe (3) are both hollow cylindrical, a first fixing frame (5) is fixedly arranged in the first exhaust pipe (2), a bearing (6) is fixedly arranged at the center of the first fixing frame (5), the lower end of the second exhaust pipe (3) is sleeved on the first exhaust pipe (2), a second fixing frame (7) is fixedly arranged in the second exhaust pipe (3), a vertically downward rotating shaft (8) is arranged at the center of the second fixing frame (7), the upper end of the rotating shaft (8) is fixedly connected with the second fixing frame (7), and the lower end of the rotating shaft (8) is fixedly sleeved in the bearing (6);

the jet device (4) is hollow shell shape with two open ends, the jet device (4) is composed of an air inlet section (401), an injection section (402) and an air outlet section (403), the air inlet section (401), the injection section (402) and the air outlet section (403) are integrally formed, the injection section (402) is in a circular tube shape, two ends of the injection section (402) are respectively connected with the air inlet section (401) and the air outlet section (403) in a smooth transition mode, and the middle of the injection section (402) is communicated with the second exhaust pipe (3) and is fixedly connected with the second exhaust pipe in a sealing mode.

2. The wind-guiding unpowered hood according to claim 1, wherein the first fixing frame (5) is composed of a plurality of first fixing rods (9), the first fixing rods (9) are uniformly arranged around a central axis of the first exhaust pipe (2), one end of each first fixing rod (9) is fixedly connected with an inner wall of the first exhaust pipe (2), and the other end of each first fixing rod is fixedly connected with an outer wall of the bearing (6).

3. The wind-guiding unpowered hood according to claim 1, wherein the second fixing frame (7) is composed of a plurality of second fixing rods (10), the second fixing rods (10) are uniformly arranged around a central axis of the second exhaust pipe (3), one end of each second fixing rod (10) is fixedly connected with an inner wall of the second exhaust pipe (3), and the other end of each second fixing rod is fixedly connected with an outer wall of the rotating shaft (8).

4. A wind-guiding unpowered hood according to claim 1 wherein the end of the air intake section (401) remote from the ejector section (402) is wider than it is tall; the height of one end of the air outlet section (403) far away from the injection section (402) is larger than the width.

5. The wind-power guiding unpowered hood according to claim 4, wherein one end of the air inlet section (401) far away from the ejector section (402) and one end of the air outlet section (403) far away from the ejector section (402) are both oval.

6. A wind-guiding unpowered hood as claimed in claim 1, wherein the wind outlet section (403) is vertically provided with two tail wings (404), the two tail wings (404) are arranged vertically symmetrically, and the tail wings (404) are vertical plates.

7. A wind-guiding unpowered hood according to claim 6, wherein the tail wing (404) is fixedly connected to the wind outlet section (403) at one end and is arc-shaped at the other end.