CN208124488U - A kind of air door of ventilating system and the ventilation blower that the air door is set - Google Patents

Abstract

A kind of air door of ventilating system is located on each hinge of same axis including being supported on ventilating duct left and right side walls for stopping the oscillating deck of ventilation；The axis is level；The area for swinging plate axis area below and being greater than axis or more；One iron plate is incorporated into the oscillating deck, across the axis, and it is made to be slightly smaller than axis gravitational moment below with gravitational moment of the oscillating deck more than axis.The air door is not necessarily to operating mechanism, simple and reliable for structure, at low cost.The ventilation blower of the air door is set, it is fairly simple including motor and its impeller directly driven, air door structure.

Description

A kind of air door of ventilating system and the ventilation blower that the air door is set

Technical field

The present invention relates to a kind of air door of ventilating system, IPC classification can belong to F24F 13/14.

Background technique

Ventilating system need to usually be arranged air door and reach isolation to close when opening in ventilation and stop ventilation, and air door should Switching motion traditional design is realized with operating mechanism, thus need to spend cost.

In relation to term and common knowledge, except this specification it is already indicated that in addition to, can refer to standard GB/T/T 16803《Heating, Ventilation, air-conditioning, cleaning equipment term device》With GB/T 50155《Heating ventilator and air conditioning terminology standard》, and《Building is adopted HVAC wind air conditioning purge standard compendium》(China Standards Press's second edition in 2013) and《Mechanical engineering manual》(mechanical industry goes out Version society second edition in 1997).

Summary of the invention

It, can be without behaviour compared to traditional design the technical problem to be solved by the present invention is to propose a kind of air door of ventilating system Vertical mechanism, thus structure simply reduces cost.

The technical solution that the present invention solves the technical problem is a kind of air door of ventilating system, including is supported on ventilation Road left and right side walls are located on each hinge of same axis for stopping the oscillating deck of ventilation；It is characterized in that：

--- the axis is level；

--- the area for swinging plate axis area below and being greater than axis or more；

--- an iron plate is incorporated into the oscillating deck, across the axis, and make its with the oscillating deck in axis with On gravitational moment be slightly smaller than axis gravitational moment below.

According to the design, when ventilation, the area for being greater than axis or more due to swinging plate axis area below, air-flow is to pendulum Movable plate axis active force below is greater than the active force of axis or more, thus blows swing plate axis or less and open forward, stops When ventilation, since the iron plate and gravitational moment of the oscillating deck more than axis that are incorporated into the oscillating deck are below less than axis Gravitational moment swings plate axis or less and naturally droops, closes ventilating duct.It is not necessarily to operating mechanism, and structure is simple, at low cost.

The typically used as of the technical solution is a kind of ventilation blower, including motor and its impeller directly driven, air door knot Structure is fairly simple.

Detailed description of the invention

Fig. 1 is the utility model embodiment ventilation blower main cross-sectional schematic diagram；

Fig. 2 is the utility model embodiment ventilation blower oscillating deck left view schematic diagram；

Fig. 3 is A-A schematic cross-sectional view in Fig. 2.

In figure：1：Panel；2：Air duct；3：Oscillating deck；4：Motor；5：Impeller；6：Iron plate；21：Left fulcrum；31：Left axle Set；32：Right axle sleeve.

Specific embodiment

The utility model embodiment covering and partition type ventilator structure is as shown in Figures 1 to 3, is mainly using International Power mark It is improved on the basis of the A type ventilation blower of quasi- IEC60665-1980, the design inherited includes：

--- it with columnar air duct 2 is rack；

--- it is fixedly attached to the motor 4 in air duct 2；

--- it is installed on the aial flow impeller 5 on 4 axis of motor；

--- it is covered in the grid-like panel 1 of air inlet, plays mechanical hazard protection and decoration function.

Driven impeller 5 rotates after motor 4 is powered, and certain driving air-flow enters air duct 2 from the left of panel 1, arranges from air duct right side Out.Improved design includes：

--- an inwardly projecting fixing axle, Fig. 1 are respectively shaped along horizontal axis in 2 upper half inner cylinder face left and right sidewall of air duct In left fixed shaft 21 is shown, right fixed shaft is not shown in cross-sectional view；

--- it adds as shown in Figure 2,3 one and is molded laminal oscillating deck 3, interior section of peripheral shape, that is, air duct 2 Face, corresponding to two edges of left and right in place of the inwardly projecting fixing axle of 2 inner cylinder face left and right sidewall of air duct respectively shape one with it is described solid The axle sleeve 31,32 that dead axle is slidably matched, two pairs of fixing axles are matched with axle sleeve, constitute the fixed hinge swung for oscillating deck 3 Support.The hinge is also readily modified as setting axis in oscillating deck and axle sleeve is fixed on air duct side wall.From Figure 2 it can be seen that oscillating deck 3 is close Circle, and be located at the hinge place following area of horizontal axis and be much larger than the above area of horizontal axis；

--- the iron plate 6 of inverted trapezoidal is molded together in 3 back side of oscillating deck and oscillating deck 3.It is in the position that oscillating deck 3 is distributed It sets and just across the horizontal axis, is conducive to enhance rigidity of the oscillating deck 3 about hinge axes.

Oscillating deck is about the distribution of hinge axes two side faces product, the shape of iron plate 6 and its in the distribution of oscillating deck 3, manager By Mechanics Calculation or experiment, so that：

--- after motor is powered, the air-flow of impeller-driven is greater than axis or more to plate axis active force below is swung Active force, and the difference can overcome the active force of hinge rotary resistance or/and outer counter aweather, thus reliably blow swing board shaft It is opened forward below line, outside air draft；

--- when motor stops being powered, together, the gravitational moment more than axis is slightly smaller than axis for iron plate 6 and oscillating deck 3 Gravitational moment below, and the difference is hung down naturally with can reliably overcome hinge rotary resistance and closes air duct and be advisable.

Above-mentioned air door structure can also be used for B, C and D type ventilation blower air inlet or air outlet as defined in IEC60665-1980. In addition, the removal motor of ventilation blower shown in Fig. 1 and impeller, can be used as the return air inlet of ventilating system --- the outlet of air duct 2 terminates Toward the return air duct of ventilating system, can be opened automatically when existing and entering from panel through the outer gas stream in air port, otherwise automatically It closes, is not necessarily to any operating mechanism.

Oscillating deck 3 can also be formed with sheet metal pressure processing, and 6 spot welding of iron plate is connected thereto.

Iron plate 6 or other shapes, as long as itself and oscillating deck 3 are together, the gravitational moment more than axis is slightly smaller than axis Line gravitational moment below.

The present embodiment air door is also applied for rectangular air duct, and it is corresponding rectangular for only needing oscillating deck 3.

Air door can also be made of such as shutter the oscillating deck of parallel muti-piece same design.

Claims (2)

1. a kind of air door of ventilating system, including it is supported on ventilating duct left and right side walls and is located on each hinge of same axis and be used for Stop the oscillating deck of ventilation；It is characterized in that：

--- the axis is level；

--- the area for swinging plate axis area below and being greater than axis or more；

--- an iron plate is incorporated into the oscillating deck, across the axis, and makes it with the oscillating deck more than axis Gravitational moment is slightly smaller than axis gravitational moment below.

2. a kind of ventilation blower that air door as described in claim 1 is arranged, it is characterised in that：Including motor and its directly drive Impeller.