CN204878070U

CN204878070U - Amount of wind adjustable collection wind ware

Info

Publication number: CN204878070U
Application number: CN201520522434.8U
Authority: CN
Inventors: 郁春辉; 龚驰丞
Original assignee: Shanghai General Fan Co Ltd
Current assignee: Shanghai General Fan Co Ltd
Priority date: 2015-07-17
Filing date: 2015-07-17
Publication date: 2015-12-16
Anticipated expiration: 2025-07-17

Abstract

The utility model provides an amount of wind adjustable collection wind ware, include: an air inlet section of thick bamboo is both ends open -ended cylindric or section of thick bamboo toper, guide vanes arranges in in the air inlet section of thick bamboo, be radial distribution, fixing support, with an air inlet section of thick bamboo sets up with one heart in an air inlet section of thick bamboo, guide vanes is close to the one end in the centre of a circle to be fixed on fixing support, and the installation has several radial evenly distributed's guide vanes on fixing support, adjusting device is used for adjusting guide vanes's angle is in order to adjust the intake of collection wind ware. The utility model discloses a mechanical linkage realizes adjustable, with low costs, the easy operation of the amount of wind of collection wind ware.

Description

The wind collecting unit that a kind of air quantity is adjustable

Technical field

The utility model relates to blower fan technical field, particularly relates to a kind of adjustable wind collecting unit of air quantity of industrial fan.

Background technique

Wind collecting unit, also known as intake grill, is generally arranged on fans entrance, has the shape such as circular arc type, cone type, in axial converging form, is be full of impeller import with ensureing uniform stream, makes the device that inlet air flow flow losses are minimum.Fig. 1 and Fig. 2 gives the structural representation of common blower fan, and as shown in Figure 1,1 is wind collecting unit, and 2 is impeller, and 3 is casing, and 4 is transmission unit.

At present, in the places that heating value is large or ventilation condition is bad such as factory, power station, underpass, blower fan is all installed, in fan operation process, the constant and wind direction of air quantity is fixed, but certain drawback is had under particular job environmental conditions, such as the demand of different local Various Seasonal to blower fan air output is different.Existing Boiler pressure control technology has variable-frequency control technique, such as Chinese patent CN103671192A, but this variable-frequency control technique cost intensive.

Therefore, the wind collecting unit that a kind of air quantity with low cost, convenient operation of model utility is adjustable is necessary.

Model utility content

In order to overcome the shortcoming that above-mentioned prior art exists, the purpose of this utility model is: provide the wind collecting unit that low, the easy-operating air quantity of a kind of cost is adjustable.

For achieving the above object, the utility model is by the following technical solutions:

The wind collecting unit that the utility model provides a kind of air quantity adjustable, comprising:

Air intake cylinder, the tubular in both ends open or cylinder taper;

Guide vane, is placed in described air intake cylinder, radially distributes;

Fixed bearing, be arranged in air intake cylinder with described air intake cylinder is concentric, described guide vane is fixed on fixed bearing near the one end in the center of circle, and fixed bearing is provided with several pieces radial equally distributed guide vanes;

Controlling device, for regulating the angle of described guide vane, to regulate the air output of described wind collecting unit.

Further preferably, described controlling device comprises one and to be fixed on described fixed bearing and rotating active ring, described active ring is arranged several radially-protruding active pin shaft, for being connected with described guide vane and regulating the angle of guide vane.

Further preferably, arrange a fixed axostyle in the side radial direction of every sheet guide vane, described guide vane is fixed on this fixed axostyle, and one end away from the center of circle of this fixed axostyle passes the cylinder face of described air intake cylinder.

Further preferably, described fixed bearing arranges several caging bolt, for the active ring of described controlling device is fixed on described fixed bearing.

Further preferably, described guide vane extends one U-shaped near the one end in the center of circle perpendicular to this guide vane plane, snaps in the active pin shaft of described controlling device in the U-type groove of U-shaped.

Further preferably, on the side of described guide vane, radial direction arranges hollow structure, and described fixed axostyle is through in this hollow structure.

Further preferably, muff and setting sleeve are set in described hollow structure, and through this setting sleeve, described guide vane are fixed on described fixed axostyle by screw.

Further preferably, set screw nut is set on described fixed axostyle, on the both sides in the cylinder face through described air intake cylinder.

Further preferably, the active ring of described controlling device arranges one handle, for this active ring of rotation.

Further preferably, described handle is arranged on the elongation line of one of them radially-protruding active pin shaft on described active ring.

In use, the handle swung on the active ring of described controlling device, drives the rotation of active ring, by snapping in the U-shaped further folding driving guide vane of the active pin shaft on described active ring.

The utility model adopts technique scheme, compared with prior art, has following technique effect:

The air quantity that the utility model realizes wind collecting unit by mechanical linkage is adjustable, and cost is low, easy to operate.

Accompanying drawing explanation

Fig. 1 is the structural representation of common blower fan;

Fig. 2 is the structural representation side view of common blower fan;

Fig. 3 is the front view of the adjustable wind collecting unit of a kind of air quantity that the utility model relates to;

Fig. 4 is the side view of the adjustable wind collecting unit of a kind of air quantity that the utility model relates to;

Fig. 5 is the schematic perspective view of the adjustable wind collecting unit of a kind of air quantity that the utility model relates to;

Fig. 6 is the side sectional view of the adjustable wind collecting unit of a kind of air quantity that the utility model relates to;

Fig. 7 is the A-A sectional view in Fig. 6;

Fig. 8 is the I magnified partial view in Fig. 6;

In figure,

1-wind collecting unit, 2-impeller, 3-casing, 4-transmission unit,

11-air intake cylinder,

12-guide vane, 121-U matrix, 122-hollow structure,

13-fixed bearing, 131-caging bolt, 132-fixed pin shaft, 133-plain washer, 134-stationary bushing,

14-controlling device, 141-active ring, 142-active pin shaft, 143-handle,

15-fixed axostyle,

16-muff,

17-setting sleeve,

18-screw,

19-set screw nut.

Embodiment

Carry out detailed and concrete introduction below by specific embodiment to the utility model, to make better to understand the utility model, but following embodiment does not limit the utility model scope.

As illustrated in figures 3-6, the wind collecting unit 1 that the present embodiment provides a kind of air quantity adjustable, comprising:

Air intake cylinder 11, the tubular in both ends open or cylinder taper;

Guide vane 12, is placed in described air intake cylinder 11, radially distributes;

Fixed bearing 13, be arranged in air intake cylinder 11 with described air intake cylinder 11 is concentric, described guide vane 12 is fixed on fixed bearing 13 near the one end in the center of circle, and fixed bearing 13 is provided with several pieces radial equally distributed guide vanes 12;

Controlling device 14, for regulating the angle of described guide vane 12, to regulate the air output of described wind collecting unit 1.

Wherein, described controlling device 14 comprises one and to be fixed on described fixed bearing 13 and rotating active ring 141, described active ring 141 arranges several radially-protruding active pin shaft 142, for being connected with described guide vane 12 and regulating the angle of guide vane 12.

Arrange a fixed axostyle 15 in the side radial direction of every sheet guide vane 12, described guide vane 12 is fixed on this fixed axostyle 15, and one end away from the center of circle of this fixed axostyle 15 passes the cylinder face of described air intake cylinder 11.

Described fixed bearing 13 arranges several caging bolt 131, for the active ring 141 of described controlling device 14 is fixed on described fixed bearing 13.

Described guide vane 12 extends one U-shaped 121 near the one end in the center of circle perpendicular to this guide vane 12 plane, snaps in the active pin shaft 142 of described controlling device 14 in the U-type groove of U-shaped 121.

On described fixed axostyle 15, on the both sides in the cylinder face through described air intake cylinder 11, set screw nut 19 is set.

On the side of described guide vane 12, radial direction arranges hollow structure 122, and described fixed axostyle 15 is through in this hollow structure 122.A-A sectional view in Fig. 6 as shown in Figure 7, the inwall of described hollow structure 122 arranges muff 16, to reduce the gap between the inwall of described hollow structure 122 and described fixed axostyle 15; And the part of stretching out described hollow structure 122 at described fixed axostyle 15 arranges setting sleeve 17, by screw 18, this setting sleeve 17 is fixed on described fixed axostyle 15.

Fig. 8 shows the amplification view of the part of I in Fig. 6, i.e. the sectional view of active pin shaft 142 on fixed bearing 13 upper limit bolt 131 and described active ring 141.Alternatively, caging bolt 131 is enclosed within fixed pin shaft 132, is lined with plain washer 133 between caging bolt 131 and active ring 141, also has one deck stationary bushing 134 in fixed pin shaft 132 periphery.

The active ring 141 of described controlling device 14 arranges one handle 143, for this active ring 141 of rotation; More preferably, described handle 143 is arranged on the elongation line of one of them radially-protruding active pin shaft 142 on described active ring 141.

In use, the handle 143 swung on the active ring 141 of described controlling device 14, drives the rotation of active ring 141, by snapping in the U-shaped 121 further folding driving guide vane 12 of the active pin shaft 142 on described active ring 141.

Be described in detail specific embodiment of the utility model above, but it is just as example, the utility model is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the utility model is carried out and substituting also all among category of the present utility model.Therefore, not departing from the equalization conversion and amendment done under spirit and scope of the present utility model, all should be encompassed in scope of the present utility model.

Claims

1. the wind collecting unit that air quantity is adjustable, is characterized in that, comprising:

Air intake cylinder, the tubular in both ends open or cylinder taper;

Guide vane, is placed in described air intake cylinder, radially distributes;

2. wind collecting unit according to claim 1, it is characterized in that, described controlling device comprises one and to be fixed on described fixed bearing and rotating active ring, described active ring is arranged several radially-protruding active pin shaft, for being connected with described guide vane and regulating the angle of guide vane.

3. wind collecting unit according to claim 2, is characterized in that, arranges a fixed axostyle in the side radial direction of every sheet guide vane, and described guide vane is fixed on this fixed axostyle, and one end away from the center of circle of this fixed axostyle passes the cylinder face of described air intake cylinder.

4. wind collecting unit according to claim 2, is characterized in that, described fixed bearing arranges several caging bolt, for the active ring of described controlling device is fixed on described fixed bearing.

5. wind collecting unit according to claim 3, is characterized in that, described guide vane extends one U-shaped near the one end in the center of circle perpendicular to this guide vane plane, snaps in the active pin shaft of described controlling device in the U-type groove of U-shaped.

6. wind collecting unit according to claim 3, is characterized in that, on the side of described guide vane, radial direction arranges hollow structure, and described fixed axostyle is through in this hollow structure.

7. wind collecting unit according to claim 6, is characterized in that, the inwall of described hollow structure arranges muff, to reduce the gap between the inwall of described hollow structure and described fixed axostyle; And the part of stretching out described hollow structure at described fixed axostyle arranges setting sleeve, by screw, this setting sleeve is fixed on described fixed axostyle.

8. wind collecting unit according to claim 3, is characterized in that, on described fixed axostyle, on the both sides in the cylinder face through described air intake cylinder, arrange set screw nut.

9. wind collecting unit according to claim 2, is characterized in that, the active ring of described controlling device arranges one handle, for this active ring of rotation.

10. wind collecting unit according to claim 9, is characterized in that, described handle is arranged on the elongation line of one of them radially-protruding active pin shaft on described active ring.