CN2533417Y

CN2533417Y - Automatic air quantity controlling device

Info

Publication number: CN2533417Y
Application number: CN 01276475
Authority: CN
Inventors: 林岱右
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-12-30
Filing date: 2001-12-30
Publication date: 2003-01-29
Anticipated expiration: 2011-12-30

Abstract

The utility model provides an automatic adjustment device of input air, including a duct, chassis, upper disk and power device. One end of the duct forms an air inlet and the other end forms an air outlet. The chassis is provided with a bottom surface opposite to the air inlet of the duct and a plurality of air intakes which are through the chassis and communicated with the air inlet. The upper disk is provided with a bottom surface overlapped with the top surface of the chassis, and a plurality of air distribution outlets and separation ribs which are staggered and arranged and are overlapped from gradually to completely with the air intakes. The upper disk of a power device rotates positively and reversely relatively to the chassis, the separation ribs close the air intakes, or the separation ribs are separated gradually from the air intakes, and the air distribution outlets are overlapped with the air intakes gradually, thus changing the size of the air intake calibre to adjust air input automatically.

Description

The air quantity automatic regulating apparatus

Technical field

The utility model relates to a kind of quantity regulating device for air, particularly can control the air quantity automatic regulating apparatus of air quantity size automatically.

Background technology

General machine is in the process of making, the needs that dispatch air-flow or air-guiding are often arranged, therefore, " airduct " is in the design of purposes, mainly be dispatch air-flow or delivery air to the precalculated position, make air-flow can be widely used in oven dry, cooling, pneumatic ... to wait and use.Though this airduct can reach the purpose of row's air guide stream, still has shortcoming to need to be resolved hurrily when reality is used.Because the air port of general airduct is to be wide-open state, therefore, air-flow can be fully in the clear into and out of airduct, and is relative, also just can not control the size of intake, and not be inconsistent user demand.Therefore the size of utilizing valve to control the air port is arranged, pray to make and reach the purpose of adjusting air quantity, but, valve must be controlled by manpower in the use, and closing or must overcome the active force that air quantity causes during Open valve, so, reach in use in the operation and comparatively require great effort, and impracticable, inconvenient.The purpose of this invention is to provide a kind of air quantity automatic regulating apparatus that can overcome above-mentioned prior art shortcoming.

Summary of the invention

The utility model mainly comprises: airduct, chassis, last dish and power set.Described airduct one end is an air inlet, and the other end is an air outlet.Described chassis has a bottom surface with respect to the airduct air inlet, an end face, and several air intake vents that run through the chassis and be communicated with air inlet.Described go up dish have one can for superimposed bottom surface, the end face of chassis end face, several are crisscross arranged and can be for overlapping gradually to superimposed air distribution outlet and separation rib fully with air intake vent.Described drive the relative chassis of dish just, the power set of counter-rotating.The utility model has the advantages that if with power set drive to go up the relative chassis of dish just, counter-rotating, just can utilize separation rib sealing air intake vent, or utilize separation rib to break away from air intake vent gradually and in the process that air distribution outlet overlaps with air intake vent gradually, change the size of air intake vent bore, reach the purpose of automatic adjustment air quantity.Convenient and laborsaving the saving time of control.

Description of drawings

Fig. 1 is a front view, and airduct, chassis, last dish and the power set of the utility model preferred embodiment are described;

Fig. 2 is a three-dimensional exploded view, and the structure on chassis and last dish and power set in this preferred embodiment is described;

Fig. 3 is a top view, illustrates to go up the air outlet of dish with the complete closed chassis of separation rib in this preferred embodiment;

Fig. 4 is the top view that a part is amplified, and a tooth row, a motor and a microswitch of these preferred embodiment power set is described;

Fig. 5 is a cutaway view, and the engagement situation of this preferred embodiment motor and tooth row is described;

Fig. 6 is a cutaway view, illustrates that going up dish in this preferred embodiment carries over the situation that the chassis guide pillar shifts with the arc groove;

Fig. 7 is a cutaway view, illustrates that going up dish in this preferred embodiment carries over the situation that chassis arc groove shifts with bolt;

Fig. 8 is a vertical view, illustrates that going up dish in this preferred embodiment overlaps on the air outlet on chassis with part separation rib and part air distribution outlet;

Fig. 9 is a top view, illustrates to go up the air outlet of dish with the open fully chassis of air distribution outlet in this preferred embodiment;

Figure 10 is a front view, illustrates that this preferred embodiment is applied on the crop dryer.

The specific embodiment

Further specify embodiment of the present utility model below in conjunction with accompanying drawing;

Embodiment one: referring to dish 30 and one power set 40 on Fig. 1,2,3 one airducts 10, the chassis 20.Airduct 10 1 ends are that an air inlet 11 other ends are an air outlet 12, and one protrudes out in air inlet 11 middle parts and can take over 13 base 14 for connecting other.Chassis 20, there are a bottom surface 21 with respect to airduct 10 air inlets 11, an end face 22, can be formed with inside and outside edge 26,27, several air intake vents 28 that are positioned at inward flange 26,27 of outward flanges and are communicated with air inlet 11 of four

guide pillars

24,25 relatively for the perforation 23, that base 14 passes, and an arc groove 29 that is positioned at outward flange 26.This arc groove 29 has two reverse distolateral 291,292.Last dish 30, have one can for the superimposed bottom surface 31 of chassis 20 end faces 22, inside and outside edge 36,37 that an end face 32, can be formed with four

arc grooves

34,35 for perforation 33, the one

relative guide pillar

24,25 that base 14 passes, several are crisscross arranged with respect to air intake vent 28 and be positioned at the air distribution outlet 38 and the separation rib 39 at 36,37 at inside and outside edge.It is two reverse distolateral 341,351,342,352 that this

arc groove

34,35 has, and width to be slightly larger than the footpath of guide pillar 24, guide pillar 25 wide.Power set 40, consult Fig. 4,5, have one and be fixed on dish 30 end faces 32 and be fixed on motor 42 on airduct 10 bases 14, two and can and be set in bolt 43 and nut 44 in the arc groove 29, and two are fixed on base 20 outward flanges 27 and with respect to the

microswitch

45,46 of arc groove 29 for locking tooth row 41 and last dish 30 with respect to the tooth row 41, of chassis 20 arc grooves 29.These tooth row 41 length are bigger or be equivalent to dish 30 rotating distances, have an end 412, the other end 413 that a

relative microswitch

45,46 forms a nose bar 411, and by the most columns 414 of an end 412 to the other end 413 arrangements.The axle 421 that this motor 42 has one can be just, reverse, and one be fixed on the axle 421 and can for the travelling gear 422 of tooth row 41 columns 414 engagements.The wide arc groove 29 that is slightly less than in the footpath of this nut 44.This

microswitch

45,46 has one respectively can be for nose bar 411 touches and CD-ROM drive motor 42 axles 421 stop operating touch pole 451,461, and the spacing of this touch pole 451,461 is just equaling to coil 30 just, the stroke of counter-rotating.By this, consult Fig. 3,5,6,7, when motor 42 axles 421 drive travelling gears 422 are rotated in the forward, should will stir tooth row 41 in a clockwise direction with the travelling gear 422 of column 414 engagements, make dish 30 with

arc groove

34,35 guide pillars 24 with respect to

chassis

20,25 displacements, reach arc groove 29 displacements that carry over chassis 20 with bolt 43 and nut 44, to guide

pillar

24,25

near arc groove

34,35 distolateral 342,352, bolt 43 and nut 44 were near arc groove 29 distolateral 291 o'clock, nose bar 411 on this tooth row 41 just can touch the touch pole 451 of microswitch 45, the axle 421 of motor 42 is stopped operating till.At this moment, consult Fig. 3, on coil the air intake vent 28 that 30 separation rib 39 lucky complete closed are lived chassis 20, the air inlet 11 that is communicated with air intake vent 28 can't be entered in the airduct 10 from extraneous air-guiding.When motor 42 axles 421 drive travelling gear 422 counter-rotatings, should will stir tooth row 41 with counter clockwise direction with the travelling gear 422 of column 414 engagements, make dish 30 with

guide pillar

24,25 displacements of

arc groove

34,35 with respect to chassis 20, motor spindle 421 is stopped operating, or

guide pillar

24,25 is near

arc groove

34,35 distolateral 341,351, bolt 43 and nut 44 were near arc groove 29 distolateral 292 o'clock, nose bar 411 on this tooth row 41 just can touch the touch pole 461 of microswitch 46, and the axle 421 of motor 42 is stopped operating once more.Consult Fig. 8,9, in the process of last dish 30 counter-rotatings, the congruent region of this separation rib 39 and air intake vent 28 will be more and more little, this relative air distribution outlet 38 will be more and more big with the congruent region of air intake vent 28, form state as shown in Figure 8, and then air-guiding is through air distribution outlet 38, air intake vent 28 enters in the air inlet 11 of airduct 10, and along with the increasing of air distribution outlet 38 with air intake vent 28 congruent regions, enlarge intake gradually, to shown in Figure 9, this air distribution outlet 38 is superimposed fully with air intake vent 28, makes air intake vent 28 standard-sized sheets, and can guide in the air inlet 11 that bigger air-flow enters airduct 10.Utilize motor spindle 421 just, counter-rotating, the area size that control air distribution outlet 38 and inlet air 28 are superimposed, just can strengthen the congruent region of air distribution outlet 38 and air intake vent 28 arbitrarily, intake is enlarged gradually, or dwindle the congruent region of air distribution outlet 38 and air intake vent 28 arbitrarily, intake is reduced gradually, reach the self-adjusting purpose of air quantity.Therefore, adaptable each industrial circle of the utility model, should take over 13 as Figure 10 can enter in the crop dryer 50 through airduct 10 delivery hot blasts, at this moment, need only control the intake that extraneous air-flow enters airduct 10 by above dish 30, just can mix, and can be used demand, adjust the temperature of air quantity in the crop dryer 50 with hot blast.

Claims

1. air quantity automatic regulating apparatus, mainly comprise: airduct, dish and power set on the chassis, it is characterized in that: described airduct one end is an air inlet, the other end is an air outlet, described chassis, one bottom surface with respect to the airduct air inlet is arranged, one end face and several run through the chassis and are communicated with the air intake vent of air inlet, the described dish of going up, have one and can supply the bottom surface superimposed with the chassis end face, one end face, several are crisscross arranged and can be for overlapping gradually to complete superimposed air distribution outlet and separation rib with air intake vent, and described power set are for just driving the relative chassis of dish, the power set of counter-rotating.

2. air quantity automatic regulating apparatus according to claim 1 is characterized in that: described chassis end face has the guide pillar of several protrusions, and the described dish of going up has several and can pass for guide pillar respectively and width is slightly larger than the wide equal arc groove in guide pillar footpath.

3. air quantity automatic regulating apparatus according to claim 1, it is characterized in that: described power set have one, and to be fixed on dish end face and length bigger or be equivalent to the tooth row of disc spins stroke, an and motor that is fixed on airduct one end, the axle that this motor has one can be just, reverse, and one be fixed on the axle and can for the travelling gear of tooth row engagement.

4. air quantity automatic regulating apparatus according to claim 3 is characterized in that: described tooth row has several and cooperates the travelling gear tooth pitch to arrange the column that forms, and makes the proper and column engagement of travelling gear.

5. air quantity automatic regulating apparatus according to claim 3, it is characterized in that: described power set also have two can be for the bolt and the nuts of locking tooth row and last dish, described chassis also has one can for bolt and nut places and width is slightly larger than the directly wide arc groove of nut.

6. air quantity automatic regulating apparatus according to claim 5, it is characterized in that: described tooth row also has an end of a formation one nose bar, described power set also have two microswitches, be fixed on the chassis go up relatively dish just, the position of counter-rotating range, this microswitch has one respectively can be for the touch pole that nose bar touches and the CD-ROM drive motor axle stops operating.