CN201138040Y

CN201138040Y - Siphon air door construction

Info

Publication number: CN201138040Y
Application number: CNU2007201944256U
Authority: CN
Inventors: 陈耀乾
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-11-29
Filing date: 2007-11-29
Publication date: 2008-10-22
Anticipated expiration: 2017-11-29

Abstract

The utility model relates to an iris-typed air-door structure, and comprises a flat cylindrical shell body, wherein, a through passage is formed in the axial direction of the center of the shell body; an adjustment plate and an iris-diaphragm lamina group are arranged from an air-intake port at the internal space of the shell body; the iris-diaphragm lamina group is formed by three or more iris-shaped laminas with the same shape, wherein, each lamina is a curved arc-shaped plate body; one end of the lamina is movable; the top of the movable end is provided with a projection that is relatively matched with an elongated-slot hole on the adjustment plate in sliding way and can be driven by the elongated-slot hole to move; the other end of the lamina is a fixed end; the fixed end is provided with an opening hole that is matched with an opening hole on the rear side of the shell body in the form of pin for positioning. Therefore, when the ventilator is run and the air passes through the iris-typed air door, the openness of the iris-typed air door can be controlled to change the flow rate of the air, so that the iris-typed air door has the advantages of simple structure, rapid operation and convenient installation, and can simply and conveniently control the air volume at the inlet of the ventilator.

Description

Rainbow formula air door structure

Technical field

The utility model relates to an air door structure.

Background technology

Generally be applied to the air door structure on the air-supply pipeline of axial fan ventilation shaft, many different types are arranged, as: the shutter pattern, the air door of described shutter form is to comprise a housing, described housing can be a square or rounded configuration, from top to bottom be provided with many blades and control the position that its blade pivots by interlinked mechanism in housing, with the air quantity of control by described air door, the air door windage of described pattern is big and can't be used in the caliber part that changes; Or slidingtype air door, described air door structure is to comprise a valve body, described valve body is provided with a vertical chute and an air door passage, and be provided with the choke plate of a plug-in strip external form in the described valve body, described choke plate is provided with a driving lever, by the position of operating described driving lever choke plate is moved up or down, with the flow of control air-flow, the air door windage of described pattern is big and can't accurately control the flow size of air-flow; Or fan leaf type air door, described air door structure is to comprise an airduct, be provided with a central shaft in the described airduct, the blade of several flabellum moulding of serial connection on the described central shaft, in a slotted hole and a projection of establishing on each blade on a projection and a slotted hole and the corresponding adjacent blades of difference, so that described several blades can drive mutually, drive blade relatively and be and open or closed condition by rotating described central shaft, though rectification campaign amount size that the air door of described pattern is adjustable, but only be fit to use on the caliber of reduced size, can't be used in the caliber part that changes; Again, according to present air door operating position, the design of air door not only must be satisfied the market demand that cost reduces, and on function of use, need take into account or meet simple structure, operation is rapid, easy for installation and can adjusts the essential condition of the result of use of pressure fan inlet air quantity, yet existing air door but can't or be difficult to take into account simultaneously above-mentioned multiple condition; The utility model promptly is an improvement design at the shortcoming of existing air door and in addition.

Summary of the invention

The utility model main purpose is: a kind of rainbow formula air door structure is provided, though solve the adjustable rectification campaign amount of existing air door size, only is fit to use on the caliber of reduced size, can't be used in the change deficiency of part of caliber.

For achieving the above object, the technical solution adopted in the utility model is:

A kind of rainbow formula air door structure, it is to be applied on the pressure fan ventilation shaft and to be arranged on the arrival end outside of pressure fan, it is characterized in that comprise: a shell body, is adjusted a plate and an iris formula vane group, wherein:

Shell body is an oblate tubular shell structure, and the central axis of its leading flank and trailing flank is respectively equipped with an air intake vent and an air outlet and forms front and back and connect passage for circulation of air, and the equal angles annular arrangement is provided with several perforates on trailing flank again;

Adjusting plate, is an annular plate body, and the equal angles annular arrangement is provided with several radially long slot bores on the described adjustment plate;

Iris formula vane group, described iris formula vane group is to utilize the iris blade of three or three above equal shape to surround, wherein each blade is the circular-arc lamellar body of a curve, the one end is a movable end, the end face of described movable end is provided with a projection can drive displacement by long slot bore with the corresponding slip cap merging of a long slot bore on the adjustment plate respectively, the other end is a stiff end, described stiff end be provided with a perforate with respectively with the trailing flank of shell body on the corresponding pin of a perforate close and locate.

Compared with prior art, adopt the advantage that the utlity model has of technique scheme to be: when making air through rainbow formula air door when the pressure fan running, the folding degree size of control rainbow formula air door to be to change air mass flow, makes that rainbow formula air door is reached simple structure, operation is rapid, easy for installation and result of use that can easy control pressure fan inlet air quantity.

Description of drawings

Fig. 1 is the combination schematic perspective view of the utility model on the pressure fan air pipeline;

Fig. 2 is the schematic perspective view of the utility model one embodiment;

Fig. 3 is the right side perspective diagram of Fig. 2;

Fig. 4 is the exploded perspective schematic diagram of the utility model one embodiment;

Fig. 5 is the three-dimensional enlarged diagram of blade of the present utility model;

Fig. 6 is the right side view of Fig. 5;

Fig. 7 is the schematic perspective view that the iris vane group of this wound turns down state;

Fig. 8 is the partial perspective front elevational schematic that the utility model is opened big state;

Fig. 9 is the partial perspective front elevational schematic that the utility model turns down state.

Description of reference numerals: rainbow formula air door 1; Blast pipe 2; Pressure fan 3; Discharge pipe 4; Arrival end 5; The port of export 6; Shell body 10; Leading flank 11; Air intake vent 111; Guide groove 112; Trailing flank 12; Air outlet 121; Perforate 122; Adjust plate 20; Slotted eye 21; Adjusting lever 22; Iris formula vane group 30; Blade 31; Movable end 32; Projection 32a; Stiff end 33; Perforate 33a; Keeper 40.

The specific embodiment

For making the utility model clear and definite more full and accurate, enumerate preferred embodiment now and cooperate following diagram, structure of the present utility model and technical characterictic thereof are described in detail as the back:

Please refer to Fig. 1～shown in Figure 7, is that the schematic perspective view, right side perspective diagram, three-dimensional exploded view, the schematic perspective view of blade 31, the right side view and the blade of blade 31 of schematic perspective view, rainbow formula air door structure on the air-supply pipeline before the rainbow formula air door structure of pressure fan ventilation shaft of the present utility model is arranged on the pressure fan inlet turns down the state schematic perspective view.Described pressure fan ventilation shaft mainly is to be made up of a blast pipe 2, a pressure fan 3 and a discharge pipe 4 in regular turn, the two ends of described pressure fan 3 are respectively an arrival end 5 that connects blast pipe 2 and a port of export 6 that connects discharge pipe 4, can rotate to order about air by pressure fan 3 and suck, enter pressure fan 3 again and send by the port of export 6 again through the blade of pressure fans and reach the air-supply effect by blast pipe 2; And rainbow formula air door 1 structure of the present utility model is arranged on arrival end 5 outsides of pressure fan 3, its mounting means can be set directly in the blast pipe 2 as shown in Figure 1, and described rainbow formula air door 1 mainly comprises a shell body 10, and adjusts a plate 20 and an iris formula vane group (iris diaphragm) 30; Wherein, described shell body 10, it is an oblate tubular shell structure, the central axis of its forward and backward

side

11,12 is respectively equipped with an air intake vent 111 and an air outlet 121 and forms front and back and connect passage for circulation of air, be provided with a guide groove 112 again in the appropriate position of leading flank 11, described guide groove 112 be an arc-shaped slot for can with adjusting lever 22 corresponding fits of adjusting plate 20, the equal angles annular arrangement is provided with several perforates 122 on trailing flank 12, described perforate 122 respectively with the stiff end 32 of several blades 31 on the corresponding pin of perforate 32a close and locate.

The inner space of described shell body 10 is by an inwardly folded in regular turn adjustment plate 20 and the iris formula vane group (iris diaphragm) 30 of establishing of air intake vent 111, wherein, described adjustment plate 20 is annular plate bodys, the equal angles annular arrangement is provided with several radially long slot bores 21 on the adjustment plate 20, convex with an adjusting lever 22 adjusting on plate 20 end faces again, described adjusting lever 22 can with the guide groove 112 corresponding slip fits of shell body 11; Described iris formula vane group 30 is ring-shaped structures of utilizing several to be surrounded as the blade 31 of three or three above equal shape, wherein each blade 31 be the circular-arc lamellar body of a curve as shown in Figure 5, the one end is a movable end 32, the end face of described movable end 32 be provided with a protruding 32a with respectively with adjust plate 20 on a long slot bore 21 corresponding slip caps merge and can drive displacement by long slot bore 21, the other end is a stiff end 33, described stiff end 33 be provided with a perforate 33a with respectively with the trailing flank 12 of shell body 10 on a perforate 122 corresponding pins close and locate.

Please refer to Fig. 2～shown in Figure 4, during assembling, perforate 122 corresponding matching with the trailing flank 12 of the perforate 33a of the stiff end 33 of blade 31 and shell body 10, and in described perforate 33a, 122, positioning piece 40 is set, make blade 31 and shell body 10 relative combinations, and to make blade 31 be a rotatable state, and described keeper 40 patterns do not limit, and can be blind rivet, rivet, latch or screw (figure does not show); Described again several blades 31 be with two adjacent blades 31 with rotatable and overlap mode (promptly the stiff end of a blade is put below the movable end of a last blade) partly, make described several blades 31 equidistantly stacked and form a ring-shaped structure; Again with several long slot bores 21 of described adjustment plate 20 respectively with the corresponding slip fit of protruding 32a of several blades 31, and adjust the adjusting lever 22 of plate 20 and the guide groove 112 corresponding fits of the leading flank 11 of shell body 10, make shell body 10 and adjust the complete structure body that plate 20 and iris formula vane group 30 are combined into a rainbow formula air door 1.

Please refer to Fig. 8～shown in Figure 9, it is respectively that the blade of rainbow formula air door structure of the rainbow formula air door structure of pressure fan ventilation shaft of the present utility model is opened big state fragmentary, perspective view and blade turns down state fragmentary, perspective view.When rainbow formula air door 1 blade is opened big state (as shown in Figure 8), contrary, positive direction is rotated adjusting lever 22 rotates adjustment plate 20, the long slot bore 21 of described adjustment plate 20 drives the protruding 32a of several blades 31 in the long slot bore 21, making described several blades 31 is the center with the perforate 33a of its stiff end 33, the protruding 32a of movable end 32 moves in adjusting the long slot bore 21 of plate 20 and forms one contrary, the positive direction anglec of rotation, make the aperture adjustment action of the action of described blade 31 just like the mechanical type camera, the movable end 32 that causes blade 31 moves to the center or the circumferencial direction of rainbow formula air door 1, and the position of the blade 31 of change iris formula vane group 30, can be easy to reach, control the folding degree size of iris formula vane group 30 rapidly.

Rainbow formula air door 1 structure of the present utility model, further can on the adjusting lever 22 of adjusting plate 20, link a drive unit, adjust plate 20 rotations to drive, make several blades 31 rotate displacement and change its folding degree size, save time to reach, the labour-saving result of use, described drive unit has multiple different types to select as pneumatic pattern, electronic pattern or mechanical pattern (figure does not show), and described drive unit is to utilize the general prior art can the person of reaching, so do not add detailed description in addition at this; Described again rainbow formula air door 1 structure, the air intake vent 111 of its shell body 10 and the outboard end of air outlet 121 can be provided with a flange (figure does not show) respectively, are provided with the flange mode and connect other pipelines.

Pass through said structure, a kind of rainbow formula of the utility model air door 1 structure, have simple structure, install easily, assemble and operation, can adjust the folding degree size of air door 1 rapidly, and the restriction, the shortcoming control air quantity degree of accuracy and the not easy-operating shortcoming that are subjected to the pipeline size variation to avoid existing air door to use.

More than explanation is just illustrative for the utility model, and it is nonrestrictive, those of ordinary skills understand, under the situation of the spirit and scope that do not break away from claim and limited, can make many modifications, variation or equivalence, but but all will fall within the claim restricted portion of the present utility model.

Claims

1. rainbow formula air door structure, it is to be applied on the pressure fan ventilation shaft and to be arranged on the arrival end outside of pressure fan, it is characterized in that comprise: a shell body, is adjusted a plate and an iris formula vane group, wherein:

Described shell body is an oblate tubular shell structure, and the central axis of its leading flank and trailing flank is respectively equipped with an air intake vent and an air outlet and forms front and back and connect passage for circulation of air, and the equal angles annular arrangement is provided with several perforates on trailing flank again;

Described adjustment plate is an annular plate body, and the equal angles annular arrangement is provided with several radially long slot bores on the described adjustment plate;

Described iris formula vane group, described iris formula vane group is to utilize the iris blade of three or three above equal shape to surround, wherein each blade is the circular-arc lamellar body of a curve, the one end is a movable end, the end face of described movable end is provided with a projection can drive displacement by long slot bore with the corresponding slip cap merging of a long slot bore on the adjustment plate respectively, the other end is a stiff end, described stiff end be provided with a perforate with respectively with the trailing flank of shell body on the corresponding pin of a perforate close and locate.

2. according to the described rainbow formula of claim 1 air door structure, it is characterized in that: the leading flank of described shell body is provided with an arc guide barrel.

3. according to the described rainbow formula of claim 1 air door structure, it is characterized in that: the air intake vent of described shell body and the outboard end of air outlet are respectively arranged with a flange.

4. as rainbow formula air door structure as described in claim the 1st or 2, it is characterized in that: be convexly equipped with an adjusting lever on the described adjustment plate and be combined in the guide groove of shell body with corresponding slip cap.

5. according to the described rainbow formula of claim 1 air door structure, it is characterized in that: the perforate of the perforate of described shell body trailing flank and vanes fixed end is to fix by wearing positioning piece.

6. according to the described rainbow formula of claim 5 air door structure, it is characterized in that: described keeper is a blind rivet.