Painting dressing automobiles factory building volume damper
Technical field
The utility model relates to a kind of volume damper, relates in particular to a kind of painting dressing automobiles factory building volume damper.
Background technique
Volume damper is indispensable tail end of central air conditioner accessory in ventilation, air conditioning and the air purification engineering of industrial premises civil building, generally be used in air-conditioning, in air system plumbing, be used for regulating the air quantity of arm, also can the adjusting that mixes with return air for new wind.In painting dressing automobiles power house ventilation system, also have the application of the volume damper of some, of home make volume damper cannot reach requirement of strength conventionally, and manufacture cost is high, and has not working, noise is high, leakage rate is large problem.
Model utility content
For solving existing volume damper air quantity, leak the large and not good enough problem of running flexibility, the utility model provides a kind of painting dressing automobiles factory building volume damper.
Technical solutions of the utility model are as follows:
A kind of painting dressing automobiles factory building volume damper, comprise housing and impeller assembly, described housing comprises the first valve body and the second valve body being fixedly connected with by corner fittings, on the first valve body with perforate, the end of the second valve body is bent into right angle, this structure has played the effect of the second valve body and the first valve body assembling and positioning, has also solved the problem of the modulating valve gas leak after assembling simultaneously;
Impeller assembly comprises blade shell and end cap, the housing with shuttle type inner chamber of blade shell for being formed by the first blade and the assembling of the second blade; The first blade and the second blade are formed by connecting by horizontal segment blade, the tilting section blade being connected respectively with horizontal segment blade two end part and the assembly structure that is connected with tilting section blade tip respectively; The first blade and the second blade are asymmetric shuttle type structure, adopt this kind of structure, have improved blade strength, have reduced blade forward blast during switch, have solved the difficult problem that prior art Leaf is easy to vibrations or damages;
End cap comprises and the end face of blade shell cross section homotype and the fixedly assembly structure being connected with end face, the shuttle type inner chamber transition fit that fixedly assembly structure and blade shell form, make the fixing assembling of end cap and blade shell, described end face is installed with circular shaft, circular shaft top connecting part's tapered shaft end, on side's tapered shaft end, center screw thread counter sink is set, be convenient to pivoted arm on square taper hole directly assemble, side tapered shaft end and square taper hole join with, greatly reduced shifting amount, center screw thread counter sink is realized its fastening to pivoted arm in order to construction bolt, also be convenient to realize being connected of two above modulating valve, ,
Baffle plate is for being the bending plate of " L " type, and one end of baffle plate is connected with the second valve body, and its other end and blade shell are close to;
On the first valve body, transmission device is installed, transmission device is connected with the axle head of described end cap, described transmission device, comprise the first pivoted arm, the second pivoted arm, the first pivoted arm and the second pivoted arm comprise square taper hole and transmission shaft, and square taper hole coordinates with the square tapered shaft end of end cap, has the circular hole concentric with the square tapered shaft end of end cap on the first pivoted arm, bolt screws in the center screw thread counter sink of end cap by circular hole, pivoted arm is fixedly connected with end cap; The two ends of straight connecting rod are connected with the second pivoted arm respectively, between straight connecting rod, by splitting connecting rod, connect, the first pivoted arm with split connecting rod and be connected, this kind of driving mechanism is more flexible, has improved the flexibility ratio of modulating valve running, has reduced noisiness.
As further supplementing, the assembly structure of the first blade comprises straightway and the bend section being connected with straightway, and the assembly structure of the second blade is straightway;
Described the first blade docks by its assembly structure respectively with the second blade, the straightway of the second blade embeds in the assembly structure of the first blade, the straightway of the straightway of the second blade and the first blade is adjacent to, flatten the bend section of the first blade, the straightway of the second blade is fixed in the assembly structure of the first blade.
As further supplementing, on the first valve body, have a plurality of hexagonal apertures, circular hole Spielpassung on circular shaft and Hexagon copper-base powder metallurgy copper sheathing, Hexagon copper-base powder metallurgy copper sheathing is fixed on to hexagonal opening top of the first valve body, gas in modulating valve can not leaked along the hexagonal apertures on the first valve body, meanwhile, copper-base powder metallurgy copper sheathing does not rotate with end cap and blade shell.
As further supplementing, the TOX punching press round dot that is connected to of one end of baffle plate and the second valve body is riveted; Corner fittings was riveted for TOX punching press round dot with being connected also of the first valve body and the second valve body, riveted compared to welding the destruction of having avoided material surface and material stress to cause.
Beneficial effect:
By corner fittings, the first valve body and the second valve body are connected, and the end of the second valve body is bent into right angle, played the effect of the second valve body and the first valve body assembling and positioning, also solved the problem of the modulating valve gas leak after assembling.
Blade shell has shuttle type inner chamber, and is asymmetric shuttle type structure, has improved blade strength, has reduced blade forward blast during switch, has solved the difficult problem that prior art Leaf is easy to vibrations or damages.
Transmission device pivoted arm and connecting rod adopt said structure, the running flexibility that has improved modulating valve.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of the first valve body;
Fig. 3 is the structural representation of the second valve body;
Fig. 4 is the structural representation of pivoted arm;
Fig. 5 is the structural representation of copper-base powder metallurgy copper sheathing;
Fig. 6 is the structural representation of impeller assembly;
Fig. 7 is the structural representation of end cap.
Wherein: 11, the first valve body, the 12, second valve body, 13, baffle plate, 14, corner fittings, 21, blade shell, 22, end cap, 30, Hexagon copper-base powder metallurgy copper sheathing, the 41, first pivoted arm, 42, the second pivoted arm, 43, axle locking plate, 51, straight connecting rod, 52, split connecting rod.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is further illustrated.
As shown in Fig. 1~7, a kind of painting dressing automobiles factory building volume damper, comprise housing and impeller assembly, housing comprises the first valve body 11 and the second valve body 12 being fixedly connected with by corner fittings 14, corner fittings 14 is 90 ° with the two ends of stiffening rib, on the first valve body 11, has a plurality of hexagonal apertures, and the end of the second valve body 12 is bent into right angle, play the effect of the second valve body 12 and the first valve body 11 assembling and positioning, also solved the problem of the modulating valve gas leak after assembling simultaneously; Baffle plate 13 is for being the bending plate of " L " type, one end of baffle plate 13 is connected with the second valve body 12, its the other end and blade shell 21 are close to, eliminated end cap 22 and the blade shell 21 Leakage Gas problem under modulating valve closed condition, baffle plate is connected with the first valve body 11 and the second valve body 12 and adopts the riveted joint of TOX punching press round dot with the second valve body 12, corner fittings 14, riveted joint is compared to welding, the destruction of having avoided material surface and material stress to cause.
Impeller assembly comprises blade shell 21 and end cap 22; The housing with shuttle type inner chamber of described blade shell 21 for being formed by the first blade and the assembling of the second blade; The first blade and the second blade are formed by connecting by horizontal segment blade, the tilting section blade being connected respectively with horizontal segment blade two end part and the assembly structure that is connected with tilting section blade tip respectively; The first blade and the second blade are asymmetric shuttle type structure; Adopt this kind of structure, improved blade strength, during switch, reduced blade forward blast, solved the difficult problem that prior art Leaf is easy to vibrations or damages.The assembly structure of the first blade comprises straightway and the bend section being connected with straightway, and the assembly structure of the second blade is straightway, described the first blade docks by its assembly structure respectively with the second blade, the straightway of the second blade embeds in the assembly structure of the first blade, the straightway of the straightway of the second blade and the first blade is adjacent to, flatten the bend section of the first blade, the straightway of the second blade is fixed in the assembly structure of the first blade, adopt this kind of assembly structure to assemble, guaranteed sealing when the first blade and the second blade are closed, described end cap 22 comprises and the end face of blade shell 21 cross section homotypes and the fixedly assembly structure being connected with end face, the shuttle type inner chamber transition fit that fixedly assembly structure and blade shell 21 form, make end cap 22 and the fixing assembling of blade shell 21, described end face is installed with circular shaft, circular shaft top connects cubic tapered shaft end, center screw thread counter sink is set on axle head, be convenient to the first pivoted arm 41 on square taper hole directly assemble, four directions tapered shaft end and the assembling of square taper hole, greatly reduced shifting amount, center screw thread counter sink is realized its fastening to the first pivoted arm 41 in order to construction bolt, also be convenient to realize being connected of two above modulating valve.
Circular hole Spielpassung on circular shaft and Hexagon copper-base powder metallurgy copper sheathing 30, Hexagon copper-base powder metallurgy copper sheathing 30 is fixed on to hexagonal opening top of the first valve body 11, this structure can not leaked along the hexagonal apertures on the first valve body 11 gas in modulating valve, meanwhile, copper-base powder metallurgy copper sheathing does not rotate with end cap 22 and blade shell 21;
On the first valve body 11, transmission device is installed, transmission device is connected with the axle head of described end cap 22, described transmission device, comprise the first pivoted arm 41, the second pivoted arm 42, the first pivoted arm 41 is a plurality of, described the first pivoted arm 41 and the second pivoted arm 42 comprise square taper hole and transmission shaft, and square taper hole coordinates with the cubic tapered shaft end of end cap 22; On the first pivoted arm 41, have the circular hole concentric with the axle head of end cap 22, bolt screws in the center screw thread counter sink of cubic tapered shaft end by circular hole, the first pivoted arm 41 is fixedly connected with end cap 22, has guaranteed that end cap 22 and the first pivoted arm 41 are without shifting amount; Described connecting rod comprises straight connecting rod 51 and splits connecting rod 52, and the two ends of straight connecting rod 51 are connected with the second pivoted arm 42 by the axis hole on it, and two straight connecting rods 51 are by splitting connecting rod 52 connections, splits the axis hole that connecting rod 52 passes through on it and is connected with straight connecting rod 51; First pivoted arm 41 with split connecting rod 52 and be connected, straight connecting rod 51 uses the joint of locking plate 43 and the first pivoted arm 41 and/or the second pivoted arm 42 to lock by axle, splitting connecting rod 52 locks by the joint of locking plate and straight connecting rod 51, the transmission shaft of the first pivoted arm 41 can be at straight connecting rod 51, split flexible rotating in the axis hole of connecting rod 52, has improved the flexibility ratio of modulating valve running.
Rotate counterclockwise the second pivoted arm 42, blade shell I 21 rotations that the second pivoted arm 42 drives the axle head of coupled end cap 22 and coordinates with axle head, realized the function of the rotation angle adjusting of blade shell 21, because the second pivoted arm 42 is connected with the straight connecting rod 51 in left side, thereby, the second pivoted arm 42 has driven two the first pivoted arms 41 that are connected with left side straight connecting rod 51 to rotate when rotating, the blade shell that makes the axle head of the end cap 22 that is connected with these two the first pivoted arms 41 and coordinate with axle head is rotated, and it turns to identical with turning to of blade shell I 21; By splitting connecting rod 52 angle adjustment, driven two the first pivoted arms 41 that are connected with right side straight connecting rod 51 to rotate simultaneously, the blade shell that makes the axle head of the end cap 22 that is connected with these two the first pivoted arms 41 and coordinate with axle head is rotated, it turns to the switched in opposite with blade shell I 21, thereby has realized splitting of modulating valve adjacent blades.
The second pivoted arm 42 is rotated counterclockwise to 90 °, the first pivoted arm 41 and the blade shell 21 that are connected with left side straight connecting rod 51 are rotated counterclockwise 90 °, first pivoted arm 41 and the blade shell 21 relative with right side straight connecting rod 51 turn clockwise 90 °, and modulating valve is in full open position; Under this state, the second pivoted arm 42 is turned clockwise to 90 °, the first pivoted arm 41 and the blade shell 21 that are connected with left side straight connecting rod 51 turn clockwise 90 °, first pivoted arm 41 and the blade shell 21 relative with right side straight connecting rod 51 are rotated counterclockwise 90 °, and modulating valve is in buttoned-up status.