CN85203799U

CN85203799U - Domestic automatic wind-screened axial flow fan

Info

Publication number: CN85203799U
Application number: CN 85203799
Authority: CN
Inventors: 郭田丰
Original assignee: Individual
Current assignee: Individual
Priority date: 1985-09-13
Filing date: 1985-09-13
Publication date: 1986-05-21

Abstract

The utility model discloses a household scavenger fan. The characteristic of the household automatic wind-screened axial scavenger fan is that the motor axle of the scavenger fan extends properly towards a wind-screened window wing. The extension axle of the motor is provided with a wind-screened window wing switching mechanism which is connected with the wind-screened window wing. The wind-screened window wing switching mechanism is that the wind-screened window wing is opened when air exchange begins and the wind-screened window wing is closed when the air exchange stops. The household automatic wind-screened axial scavenger fan is adopted to carry out ventilation from inside to outside. The utility model has the advantages that the use condition, and the site and the height of the installation are not limited; the centralized control and the remote control can be both used; the automatic control of the ventilation can be achieved by connecting with an automatic control device, etc.

Description

Domestic automatic wind-screened axial flow fan

The utility model is a kind of household ventilation fan.

Household ventilation fan is the equipment that is applicable to middle-size and small-size place and dwelling house displacement indoor and outdoor air.In various types of household ventilation fans, the wind-screened household ventilation fan is wherein comparatively ideal a kind of.Its advantage is: when not taking a breath, hide the closed circulation that cuts off indoor and outdoor air of partition window leaf.Effects such as windproof, rain, dirt, worm, noise and insulation are arranged.

At present, the wind-screened axial flow household ventilation fan of producing and using hides the partition window leaf and mostly is louvre type.Window leaf switching mode has two kinds, and a kind of is wind pressure type, and a kind of is the mechanical linkage formula.

Wind pressure type opens and closes venetian blind, is by the air-flow that ventilation fan produces the window leaf to be blown afloat venetian blind is opened; When stopping to take a breath, air-flow disappears, the window leaf is sagging naturally and make the venetian blind closure by self gravitation.The mode gas-flow resistance of this openable windows leaf is big, is unfavorable for the carrying out that takes a breath.And only be suitable for the unidirectional ventilation fan of exhaust.

The mechanical linkage formula opens and closes venetian blind, is at power switch that links with the window leaf of the inner installation of ventilation fan.When power switch was connected, the window leaf opened; When power switch disconnects, window leaf closure.This window leaf opens and closes the ventilation fan of mode, and power switch can only be installed in the bottom of ventilation fan.Simultaneously, the window leaf opens and closes and uses power switch backguy control.Therefore, ventilation fan setting height(from bottom) and service condition all are subjected to certain limitation.And be difficult to carry out distant control.

The purpose of this utility model provides and hides that the partition window leaf opens voluntarily behind a kind of electric motor starting, hide the closed voluntarily automatic wind-screened axial flow household ventilation fan of partition window leaf after the motor stall.

Automatically wind-screened axial flow household ventilation fan is that the motor that flabellum is housed on the axle is supported an end that is fixed on installation frame inside by supporting rod: hide the other end of partition window leaf hinge joint at installation frame.The arbor of motor prolongs to be fixed with on the axle and decides hub and the sliding hub that can come and go slip on the prolongation axle of deciding between hub and axle head towards hiding partition window leaf direction proper extension.Outer sliding sleeve cooperates the bearing that connects to constitute to sliding hub by inside and outside sliding sleeve and in making.

In every or distance piece flabellum the place ahead a pendulum is arranged, pendulum is fixed on the top end of folding shape fork, the folding shape fork the other end with decide hub and link.The other end hinge joint of one end and the connecting rod of sliding hub inner sliding sleeve hinge joint is turned the elbow place folding shape fork.Between connecting rod and folding shape fork postbrachium afterburning return spring is arranged.Spring is turned the cardan axle location at elbow place by folding shape fork.

Hide the hinge joint of partition window leaf adjustable control bar one end on sliding hub outer sliding sleeve, the other end and the hinge joint of screening partition window leaf control end.

When screening partition window leaf is many open types or louvre type, hides partition window leaf adjustable control bar and hide the hinge joint of partition window leaf STATEMENT OF FEDERALLY SPONSORED, the control end of each window leaf of interlock links on window leaf STATEMENT OF FEDERALLY SPONSORED.

Closed good in order to guarantee to hide the partition window leaf, each hides the partition window leaf closed limit spring.On making, the flabellum hub with decide hub and can wholely make and also can distinguish manufacturing separately.

Further specify the utility model below in conjunction with embodiment.

Embodiment 1

Hiding the partition window leaf is the automatic screening separated axis stream household ventilation fan of double-open type.

Sectional view when Fig. 1 is state of rest.Sectional view when Fig. 2 is working state.Fig. 3 is that A is to view.Fig. 4 is that A is to the B-B of view sectional view.

As shown in Figure 1.The motor (1) that flabellum (3) are housed supports, is fixed on the inner end of installation frame (18) by supporting rod (20).Hiding partition window leaf (16) is linked at the installation frame the other end by cardan axle (17).Motor shaft (2) prolongs towards hiding the partition window leaf direction.Deciding hub (4) is prolonged on the axle by the motor that Cock screw (5) is fixed near the flabellum place.As shown in Figure 3, there is a pendulum (7) in every flabellum the place ahead, and pendulum is fixed on the top of folding shape fork (6), and the hinge joint of the folding shape fork the other end is being decided on the hub.

The hinge joint of connecting rod (8) one ends is turned the elbow place at folding shape fork, the other end and sliding hub inner sliding sleeve (10) hinge joint.Return spring (9) is located by the cardan axle that folding shape fork turns the elbow place, and doubling shape fork and connecting rod reinforcing.Inner sliding sleeve (10) cooperates connection by the sliding bearing that Sliding bush (12), nut sliding mats (13) formation are arranged with outer sliding (11) cover, and sliding bearing is locked by locking nut (14).Screening partition window leaf controlling rod (15) one ends of adjustable in length link with the control end of the hinge joint of sliding hub outer sliding sleeve, the other end and screening partition window leaf (16).Dispose the closed limit spring of fenestrate leaf (19) near the window leaf in the installation frame and guarantee that the window leaf is closed good.

After the ventilation fan power switch was connected, motor rotated, and hinge joint is pivoted at the folding shape fork drive pendulum of deciding on the hub.Produce centrifugal force.In action of centrifugal force, pendulum drives fork towards swinging away from the motor shaft direction; Folding shape fork drives sliding hub inner sliding sleeve by connecting rod and rotates with axle on one side, and an edge axle slides towards deciding hub.Sliding hub drives and hides partition window leaf adjustable control bar, and the adjustable control bar draws active window leaf that the window leaf is opened gradually.After ventilation fan entered normal stable ventilation, pendulum reached the equilibrium position, and sliding hub no longer continues to slide and remains on a certain position of motor prolongation axle.At this moment, as shown in Figure 2, the window leaf opens fully.

After the ventilation fan power switch disconnects, pendulum centrifugal force fades away, under the effect of return spring reinforcing, connecting rod promotes sliding hub towards sliding away from the direction of deciding hub, sliding hub drives and hides partition window leaf adjustable control bar, and the adjustable control bar is closed gradually with the window leaf, when reaching state of rest, as shown in Figure 1, the window leaf is closed fully.

Embodiment 2

Hiding the partition window leaf is the automatic screening separated axis stream household ventilation fan of four open types.

Sectional view when Fig. 5 is state of rest.Sectional view when Fig. 6 is working state.

As shown in Figure 5 and Figure 6, the screening partition window leaf adjustable control bar that hides partition window leaf switching mechanism links with hiding partition window leaf STATEMENT OF FEDERALLY SPONSORED (21) one ends, and the control end hinge joint that respectively hides the partition window leaf of interlock is on STATEMENT OF FEDERALLY SPONSORED.

After the ventilation fan power switch was connected, motor rotated, and sliding hub slides towards deciding hub, and screening partition window leaf adjustable control bar drives and hides partition window leaf STATEMENT OF FEDERALLY SPONSORED, and STATEMENT OF FEDERALLY SPONSORED is opened the window leaf of interlock gradually.After ventilation fan was just being gone into normal ventilation, sliding hub no longer continued to slide towards deciding the hub direction, remains on a certain equilibrium position.This moment, the window leaf opened fully as shown in Figure 6.

After the ventilation fan power switch disconnects, because centrifugal force fades away, under the reinforcing effect of afterburning return spring, sliding hub is towards sliding away from deciding the hub direction, hide partition window leaf adjustable control bar and drive STATEMENT OF FEDERALLY SPONSORED, each window leaf that STATEMENT OF FEDERALLY SPONSORED will link is closed gradually, when reaching state of rest, as shown in Figure 5, the window leaf is closed fully.

Domestic automatic wind-screened axial flow fan not only has one section screening every the advantage of formula household ventilation fan, and setting height(from bottom) is unrestricted in one's power but also have use, erecting bed, can centralized Control also can carry out remotely-controlled advantage. Connect with other automatons, can realize the automatic control of indoor and outdoor ventilation.

Claims

1, the motor that flabellum is housed is supported by supporting rod, be fixed on an end in the installation frame, hide the wind-screened axial flow household ventilation fan of partition window leaf hinge joint at the installation frame the other end, the arbor that it is characterized in that said motor is towards hiding the universal prolongation of partition window leaf, prolonging has motor commentaries on classics active window leaf to open on the axle, the screening partition window leaf switching mechanism of motor stall window leaf closure, this switching mechanism is in every or distance piece flabellum the place ahead a pendulum to be arranged, pendulum is fixed on folding shape fork top end, the hinge joint of the folding shape fork the other end prolongs deciding on the hub on the axle at motor, the hinge joint of connecting rod one end is turned the elbow place at folding shape fork, the connecting rod the other end and motor prolong the sliding hub inner sliding sleeve hinge joint on the axle, sliding hub inner sliding sleeve cooperates connection by bearing with sliding hub outer sliding sleeve, hide the hinge joint of partition window leaf adjustable control bar one end on sliding hub outer sliding sleeve, its the other end links with hiding the partition window leaf, between folding shape fork and connecting rod return spring is arranged.

2, by the described ventilation fan of claim 1, it is characterized in that said screening partition window leaf switching mechanism has the partition window of screening leaf STATEMENT OF FEDERALLY SPONSORED, STATEMENT OF FEDERALLY SPONSORED one end links with hiding partition window leaf adjustable control bar, and each window leaf hinge joint of interlock is on STATEMENT OF FEDERALLY SPONSORED.