CN217785387U - Negative pressure air interchanger - Google Patents
Negative pressure air interchanger Download PDFInfo
- Publication number
- CN217785387U CN217785387U CN202221807536.0U CN202221807536U CN217785387U CN 217785387 U CN217785387 U CN 217785387U CN 202221807536 U CN202221807536 U CN 202221807536U CN 217785387 U CN217785387 U CN 217785387U
- Authority
- CN
- China
- Prior art keywords
- screw
- plate
- fixed
- ventilating
- rotary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air-Flow Control Members (AREA)
Abstract
The utility model discloses a negative pressure breather. The negative pressure air interchanger comprises a fixed plate and an air interchanging assembly fixedly arranged on the fixed plate; the air exchange assembly comprises a rotary screw, a rotary ventilating plate movably mounted on the rotary screw, a fixed ventilating plate fixedly mounted on the rotary screw, a barrel body sleeved outside the fixed ventilating plate, a top cover fixedly mounted at the top of the barrel body and a ring disc fixedly mounted at the bottom of the barrel body, wherein the barrel body penetrates through the fixed plate; the ring disc is provided with a screw hole; the locking screw penetrates through the screw hole and is fixedly connected with the rotary ventilating plate; the utility model discloses a set up rotatory ventilating board and fixed ventilating board relatively on rotatory screw, make locking screw remove along the screw to drive rotatory ventilating board and rotate along screw, cover the wind gap that exposes fixed ventilating board and adjust, and then according to locking screw's position control, realize the regulation of amount of wind mouth size.
Description
Technical Field
The utility model relates to a negative pressure is taken a breath, specifically is negative pressure breather.
Background
Negative pressure ventilation is that a fan is installed on one wall of a space, indoor air is pumped out, so that the indoor air pressure is instantaneously lower than atmospheric pressure or normal pressure, an air inlet is formed in the other side (usually the opposite side where the negative pressure fan is installed) of the space, and outside air automatically enters the space under the atmospheric pressure, so that a directional and stable airflow zone is formed in the space.
The traditional ventilating fan drives the fan blades to rotate through the driving of the motor, so that ventilation is realized, the ventilating fan is always in an open state in the process, natural wind also enters the ventilating device when the motor stops, the air tightness cannot be guaranteed, and when the ventilating device is in a fully closed state, all the ventilating fan needs to be opened every time ventilation operation is carried out, so that air volume adjustment cannot be carried out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a negative pressure breather to solve the above-mentioned problem that prior art exists.
The above technical object of the present invention can be achieved by the following technical solutions:
the negative pressure air interchanger comprises a fixed plate and an air interchanging component fixedly arranged on the fixed plate; the air exchange assembly comprises a rotary screw, a rotary ventilating plate movably mounted on the rotary screw, a fixed ventilating plate fixedly mounted on the rotary screw, a barrel body sleeved outside the fixed ventilating plate, a top cover fixedly mounted at the top of the barrel body and a ring disc fixedly mounted at the bottom of the barrel body, wherein the barrel body penetrates through the fixed plate; the ring disc is provided with a screw hole; and the locking screw penetrates through the screw hole and is fixedly connected with the rotary ventilation plate.
The preferred scheme is as follows:
preferably: the cylinder body is cylindrical, and a sealing ring is arranged at the matching position of the cylinder body and the fixing plate.
Preferably, the following components: the ring disc and the top cover are both in threaded connection with the fixing plate.
Preferably: the ring disc is provided with at least three screw holes, and the screw holes are provided with locking screws; the locking screw and the joint of the rotary ventilating plate are provided with screw posts which are in threaded connection with the ring disc.
Preferably: rotatory ventilating board with fixed ventilating board all is equipped with six at least flabellums, wherein, in the rotatory ventilating board two at least flabellums with locking screw fixed connection.
Preferably: the rotating screw is fixedly connected with the fixed ventilating plate; the rotary screw is movably connected with the rotary ventilation plate.
Preferably: the fixed ventilating plate and the rotary ventilating plate are oppositely arranged on the rotary screw.
To sum up, the utility model discloses following beneficial effect has:
through setting up rotatory ventilating board and fixed ventilating board relatively on rotatory screw, make locking screw remove along the screw, and drive rotatory ventilating board and rotate along the screw, cover the wind gap that fixed ventilating board exposes and adjust, and then position control according to locking screw, realize the regulation of amount of wind mouth size, when the whole exposure wind gaps that cover at fixed ventilating board of rotatory ventilating board, the barrel is in the closed condition this moment, block the inflow of air, and then realize amount of wind open-ended control, and the switching of opening and closing of barrel.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic view of the ventilation structure of the present invention.
In the figure, 1, a top cover; 2. a seal ring; 3. silk poles; 4. rotating the ventilation board; 5. rotating the screw; 6. fixing a ventilation board; 7. locking the screw; 71. a screw hole; 8. a ring disk.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In which like parts are designated by like reference numerals. It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper," and "lower" refer to directions in the drawings, and the terms "bottom" and "top," "inner," and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The negative pressure ventilation device, as shown in fig. 1 and fig. 2, includes a fixing plate and a ventilation assembly fixedly mounted on the fixing plate; the air exchange assembly comprises a rotary screw 5, a rotary ventilating plate 4 movably arranged on the rotary screw 5, a fixed ventilating plate 6 fixedly arranged on the rotary screw 5, a barrel body sleeved outside the fixed ventilating plate 6, a top cover 1 fixedly arranged at the top of the barrel body and a ring disc 8 fixedly arranged at the bottom of the barrel body, wherein the barrel body penetrates through a fixed plate; the ring disc 8 is provided with a screw hole 71; and the locking screw 7 penetrates through the screw hole 71, and the locking screw 7 is fixedly connected with the rotary ventilating plate 4.
The barrel is the cylinder type, and barrel and fixed plate cooperation department are equipped with sealing washer 2, guarantee the gas tightness of barrel and fixed plate cooperation department, and then prevent to cause the influence to the process of taking a breath.
At least three screw holes 71 are formed in the ring disc 8, and locking screws 7 are arranged in the screw holes 71; the screw column 3 has been seted up with rotatory ventilating board 4 junction to locking screw 7, and screw column 3 and ring dish 8 spiro union through the position at screw 71 removal locking screw 7, can drive rotatory ventilating board 4 when locking screw 7 removes, and then can realize the locking of rotatory ventilating board 4 rotation angle.
The rotating screw 5 is fixedly connected with the fixed ventilating plate 6; the rotating screw 5 is movably connected with the rotating ventilating plate 4, so that when the rotating ventilating plate 4 rotates along the rotating screw 5, the air opening exposed by the fixed ventilating plate 6 can be subjected to covering angle adjustment.
The fixed vent plate 6 and the rotating vent plate 4 are oppositely disposed on the rotating screw 5.
Description of the working principle: firstly, a cylinder body penetrates through a fixed plate, and is fixed on the fixed plate through a top cover 1 and a ring disc 8, so that the position of the cylinder body is limited; the ventilation device is installed at the roof, and during the use, loosens locking screw 7 on the fixed ventilating board 6 earlier, then removes locking screw 7's position at screw 71, and then drives rotatory ventilating board 4 when locking screw 7 removes, and rotatory ventilating board 4 rotates along rotating screw 5 this moment to cover the angle modulation to the wind gap that fixed ventilating board 6 exposes, through the state size of opening and shutting of adjusting rotatory ventilating board 4 and fixed ventilating board 6, adjust the fresh air volume in carriage.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The negative pressure air interchanger comprises a fixed plate and an air interchanging assembly fixedly arranged on the fixed plate; the method is characterized in that: the air exchange assembly comprises a rotary screw (5), a rotary ventilating plate (4) movably mounted on the rotary screw (5), a fixed ventilating plate (6) fixedly mounted on the rotary screw (5), a cylinder body sleeved outside the fixed ventilating plate (6), and a ring disc (8) fixedly mounted at the bottom of the cylinder body, wherein the cylinder body penetrates through the fixed plate, is fixedly mounted on a top cover (1) at the top of the cylinder body, and is fixedly mounted on the fixed plate; the ring disc (8) is provided with a screw hole (71); and the locking screw (7) penetrates through the screw hole (71), and the locking screw (7) is fixedly connected with the rotary ventilation plate (4).
2. The negative pressure ventilation device of claim 1, wherein: the cylinder body is cylindrical, and a sealing ring (2) is arranged at the matching position of the cylinder body and the fixing plate.
3. The negative pressure ventilation device of claim 2, wherein: the ring disc (8) and the top cover (1) are in threaded connection with the fixing plate.
4. The negative pressure ventilation device of claim 3, wherein: at least three screw holes (71) are formed in the ring disc (8), and locking screws (7) are respectively arranged in the screw holes (71); the locking screw (7) and the joint of the rotary ventilating plate (4) are provided with a screw post (3), and the screw post (3) is in threaded connection with the annular disc (8).
5. The negative pressure ventilation device of claim 4, wherein: rotatory ventilating board (4) with fixed ventilating board (6) all are equipped with six at least flabellums, wherein, in rotatory ventilating board (4) two at least flabellums with locking screw (7) fixed connection.
6. The negative pressure ventilation device of claim 5, wherein: the rotating screw (5) is fixedly connected with the fixed ventilating plate (6); the rotating screw (5) is movably connected with the rotating ventilation plate (4).
7. The negative pressure ventilation device of claim 6, wherein: the fixed ventilating plate (6) and the rotary ventilating plate (4) are oppositely arranged on the rotary screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807536.0U CN217785387U (en) | 2022-07-14 | 2022-07-14 | Negative pressure air interchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221807536.0U CN217785387U (en) | 2022-07-14 | 2022-07-14 | Negative pressure air interchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217785387U true CN217785387U (en) | 2022-11-11 |
Family
ID=83938390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221807536.0U Active CN217785387U (en) | 2022-07-14 | 2022-07-14 | Negative pressure air interchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217785387U (en) |
-
2022
- 2022-07-14 CN CN202221807536.0U patent/CN217785387U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11204183B2 (en) | Ventilator with dual flow passages | |
| CN103486686A (en) | Integrated ventilation type unit curtain wall | |
| CN217785387U (en) | Negative pressure air interchanger | |
| CN207350641U (en) | The air intake adjusting device of fresh air purifier | |
| CN211400214U (en) | Ventilation energy-saving equipment of green building | |
| CN217357353U (en) | Ventilation unit for curtain | |
| CN204438413U (en) | A kind of power ventilation device | |
| CN215565574U (en) | Window sash with adjustable air inlet direction | |
| CN212692001U (en) | Fire control high temperature mixed flow fan that discharges fume | |
| CN109681395B (en) | Wind power generation engine room cover | |
| CN218209934U (en) | Heating ventilation device | |
| CN212690410U (en) | Mixed flow fan with protective cover | |
| CN217575625U (en) | Unmanned aerial vehicle descending platform and unmanned aerial vehicle system | |
| CN116075133B (en) | Sewage treatment control cabinet convenient to heat dissipation is dustproof | |
| CN219691438U (en) | Door and window with dust collection function | |
| CN219205397U (en) | Planting greenhouse ventilation equipment | |
| CN219892644U (en) | Intelligent induction waterproof power distribution cabinet | |
| CN213338540U (en) | Waterproof host computer is used in network security | |
| CN220999738U (en) | Quenching furnace rapid cooling device | |
| CN214707663U (en) | LTCC high-pass filter | |
| CN214533664U (en) | Industrial self-closed high-power fan | |
| CN220911637U (en) | Air duct ventilation quantity adjusting device | |
| CN219843332U (en) | Electricity selling management assembly box | |
| CN220923535U (en) | PCB screen printer | |
| CN215500716U (en) | Energy-conserving mushroom room of photovoltaic with accuse temperature humidification function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |