CN220727138U - Pipeline air quantity control valve - Google Patents

Abstract

The utility model relates to a pipeline air quantity control valve, which comprises a valve pipeline, wherein a plurality of blades distributed in an annular shape are arranged in the valve pipeline, one blade penetrates through the valve pipeline and is connected with an adjusting structure, the adjusting structure can drive the blade to rotate, the adjusting structure is connected with a fixing structure, and the fixing structure can fix the adjusting structure on the valve pipeline; the rotating shaft of each of the rest blades is fixedly connected with a valve pipeline; each blade is in transmission connection with two adjacent blades. The blade comprises a plurality of blades, when one blade is driven to rotate by the adjusting structure, the other blades rotate along with the blade, so that the wind force received by each blade is approximately equal, and when each blade is damaged, the blades can be independently replaced.

Description

Pipeline air quantity control valve

Technical Field

The utility model belongs to the technical field of environmental purification, and particularly relates to a pipeline air volume control valve.

Background

The utility model provides an air quantity control valve is the device of the amount of wind that circulates in a regulation pipeline, prior art discloses an air quantity control valve, including being tubular valve casing, locate the inside adjusting vane of valve casing and locate the outside adjusting knob of valve casing, adjusting knob be connected with adjusting vane to can realize adjusting vane's regulation through adjusting knob, specific adjusting knob is rotatory to drive adjusting vane and rotate, and adjusting vane rotates the contained angle that makes between adjusting vane place plane and the axis direction of valve casing change, thereby has realized the regulation to the amount of wind. However, the adjusting blade in the prior art is a whole piece, so that the condition that the stress on each part of the adjusting blade is unequal can occur, and when the adjusting blade is damaged somewhere, the adjusting blade needs to be replaced integrally.

Disclosure of Invention

In order to solve all or part of the problems, the utility model aims to provide a pipeline air volume control valve, wherein a plurality of blades which are annularly distributed are arranged in a valve pipeline, one of the blades is driven to rotate by an adjusting structure, the other blades rotate along with the blade to adjust the pipeline air volume, and when one of the blades is damaged, the damaged blade is independently replaced.

According to one aspect of the utility model, a pipeline air volume control valve is provided, and the pipeline air volume control valve comprises a valve pipeline, wherein a plurality of blades distributed in a ring shape are arranged in the valve pipeline, one of the blades penetrates through the valve pipeline and is connected with an adjusting structure, the adjusting structure can drive the blade to rotate, the adjusting structure is connected with a fixing structure, and the fixing structure can fix the adjusting structure on the valve pipeline; the rotating shaft of each of the rest blades is fixedly connected with the valve pipeline; each blade is in transmission connection with two adjacent blades.

Furthermore, one end of each blade far away from the side wall of the valve pipeline is connected with a bevel gear, the bevel gear of each blade is in transmission connection with the bevel gears of two adjacent blades, and the number of the blades is even.

Further, each blade all includes the connecting rod, one side of connecting rod is connected with the fan ring, one of them the connecting rod of blade and pivot fixed connection thereof, and this pivot stretches out the one end of valve pipeline with adjust structural connection, every other the connecting rod of blade all with correspond the pivot rotates to be connected.

Further, the other side of each connecting rod is also connected with a fan ring, and for any one connecting rod, the two fan rings on the connecting rod are positioned in the same plane.

Further, a connecting hole matched with the rotating shaft is formed in the connecting rod of each blade, and the connecting hole extends along the axis direction of the connecting rod and at least penetrates through one end of the connecting rod; each rotating shaft is positioned in the corresponding connecting hole, the rotating shaft connected with the adjusting structure is fixedly connected with the connecting hole corresponding to the rotating shaft, and the rest rotating shafts are rotatably connected with the corresponding connecting holes.

Further, an extension part is connected to the side wall of the valve pipeline, a through hole for the rotating shaft to extend out is formed in the extension part, one rotating shaft penetrates through the through hole to be connected with the adjusting structure, and the fixing structure can fix the adjusting structure on the extension part.

Further, the valve pipeline comprises an upper pipeline and a lower pipeline, the upper pipeline is connected with the lower pipeline through a first flange, half holes with the same number are formed in the upper pipeline and the lower pipeline, the extension portion is connected to the mounting holes formed by one pair of half holes, the mounting holes and the perforation are coaxially arranged, and the rest of rotating shafts are fixed in the mounting holes formed by the other half holes.

Further, the adjusting structure is an adjusting rod, the adjusting rod is fixedly connected with a rotating shaft penetrating through the through hole, and one end, away from the rotating shaft, of the adjusting rod is fixedly connected with an adjusting handle.

Further, the fixed structure is a fixed ring, an inner thread is arranged on the inner wall of the fixed ring, an external thread is arranged on the outer portion of the adjusting rod and the extension portion, and the external thread is matched with the inner thread.

Further, 12 blades are arranged in the valve pipeline, and the upper end of the valve pipeline and the lower end of the valve pipeline are connected with second flanges.

As can be seen from the technical scheme, the pipeline air volume control valve provided by the utility model has the following structure

The beneficial effects are that:

the blade comprises a plurality of blades, when one blade is driven to rotate by the adjusting structure, the other blades rotate along with the blade, so that the wind force received by each blade is approximately equal, and when each blade is damaged, the blades can be independently replaced.

Drawings

FIG. 1 is a schematic structural diagram of a duct air volume control valve according to an embodiment of the present utility model;

FIG. 2 is a top view of the duct air volume control valve when the allowable passing air volume is minimized;

FIG. 3 is a top view of the duct air volume control valve after the allowable through air volume is increased;

FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 4 at A;

FIG. 6 is a partial enlarged view at B in FIG. 4;

FIG. 7 is a schematic view of a blade according to an embodiment of the present utility model;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

the reference numerals in the drawings are: the valve pipeline 1, the upper pipeline 11, the first flange 12, the lower pipeline 13, the extension part 14, the second flange 2, the adjusting structure 3, the adjusting rod 31, the adjusting handle 32, the blade 4, the fan ring 41, the connecting rod 42, the rotating shaft 43, the fixed ring 5 and the bevel gear 6.

Detailed Description

For better understanding of the purpose, structure and function of the present utility model, a duct air volume control valve according to the present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the air volume control valve for the pipeline in the embodiment of the utility model comprises a valve pipeline 1, wherein a plurality of annularly distributed blades 4 are arranged in the valve pipeline 1, a rotating shaft 43 of one blade 4 penetrates through the valve pipeline 1 and is connected with an adjusting structure 3, the adjusting structure 3 can drive the blade 4 to rotate, the adjusting structure 3 is connected with a fixing structure, and the fixing structure can fix the adjusting structure 3 on the valve pipeline 1; the rotating shaft 43 of each of the rest blades 4 is fixedly connected with the valve pipeline 1; each blade 4 is in driving connection with two adjacent blades 4.

In the embodiment, the number of the blades 4 is a plurality, and the blades 4 are distributed in a ring shape, and each blade 4 is in transmission connection with two adjacent blades 4, so that the purpose that when the other blade 4 rotates, the other blades 4 rotate along with the rotation can be realized; the purpose of driving one of the blades 4 to rotate through the adjusting structure 3 is achieved by connecting one of the blades 4 with the adjusting structure 3; the fixing structure can fix the adjusting structure 3, so that the fixing of the blade 4 is realized.

The plurality of blades 4 in the embodiment are divided into two types, namely, the blade 4 connected with the adjusting structure 3 and the rest of blades 4, wherein the blade 4 connected with the adjusting structure 3 passes through the valve pipeline 1 to be connected with the adjusting structure 3, and the axial center position of the blade 4 is fixed through the valve pipeline 1; the rotating shafts 43 of the rest blades 4 are fixedly connected with the valve pipeline 1, and the blades 4 rotate relative to the rotating shafts 43, so that the axial center positions of the rest blades 4 are fixed; the purpose that the axial center position of each blade 4 is kept unchanged when each blade 4 rotates is achieved through the arrangement.

Taking the example that the plane of each blade 4 is vertical to the axis of the valve pipeline 1 before adjustment and the planes of all the blades 4 coincide, the air volume allowed to pass through the pipeline is minimum at the moment, as shown in fig. 2; when the air quantity allowed by the pipeline is increased by adjusting the blades 4, firstly, adjusting the fixing structure to ensure that the adjusting structure 3 is not fixed on the valve pipeline 1 any more, then, adjusting the adjusting structure 3 to drive the blades 4 connected with the adjusting structure 3 to rotate, and rotating other blades 4 along with the blades 4; after the blades 4 rotate, the plane where each blade 4 is located is not vertical to the axis of the valve pipeline 1, as shown in fig. 3, after the blades 4 rotate to a proper angle, the adjusting structure 3 is fixed on the valve pipeline 1 by adjusting the fixing structure again, and the adjusting structure 3 is fixed on the valve pipeline 1 so that the blades 4 connected with the adjusting structure 3 cannot rotate, namely, the adjustment and fixation of the air quantity allowed to pass through the valve pipeline 1 are realized.

Wherein, as shown in fig. 8, one end of each blade 4 far away from the side wall of the valve pipeline 1 is connected with a bevel gear 6, the bevel gear 6 of each blade 4 is in transmission connection with the bevel gears 6 of two adjacent blades 4, and the number of the blades 4 is even.

In this embodiment, the transmission connection between each blade 4 and the adjacent blade 4 is realized through the bevel gear 6, specifically, one end of each blade 4 far away from the side wall of the valve pipeline 1 is connected with the bevel gear 6, and the two adjacent bevel gears 6 are meshed with each other, so that when one blade 4 rotates through the mutual meshing of the bevel gears 6, the next-stage blade 4 starts to rotate through the meshing of the bevel gears 6, and then the next-stage blade 4 starts to rotate and drives the next-stage blade 4 to start to rotate, thereby realizing the rotation of all the blades 4 in annular distribution.

According to the motion characteristics of the bevel gear 6, in this embodiment, the number of the blades 4 is even, so the number of the bevel gears 6 is also even, taking the number of the bevel gears 6 as 4 as an example, the first bevel gear 6 rotates to drive the second bevel gear 6 and the third bevel gear 6 to rotate, and the second bevel gear 6 and the third bevel gear 6 rotate to drive the 4 th bevel gear 6 to rotate at the same time, thereby realizing the rotation of the 4 bevel gears 6 and the adjustment of the angle of the blades 4.

Wherein each blade 4 comprises a connecting rod 42, and one side of the connecting rod 42 is connected with a fan ring 41; one of the connecting rods 42 of one of the blades 4 is fixedly connected with the rotating shaft 43 thereof, and as shown in fig. 6, one end of the rotating shaft 43 extending out of the valve pipeline 1 is connected with the adjusting structure 3, the connecting rods 42 of each of the other blades 4 are rotatably connected with the corresponding rotating shaft 43, and the rotating shaft 43 of each of the other blades 4 is fixed on the valve pipeline 1, as shown in fig. 5.

In this embodiment, the connecting rod 42 and the fan ring 41 together form the blade 4; one of the connecting rods 42 is fixedly connected with a rotating shaft 43, the rotating shaft 43 penetrates through one end of the valve pipeline 1 to be connected with the adjusting structure 3, the connecting rods 42 on the rotating shaft 43 are arranged for fixing the blades 4 on one hand and are connected with the adjusting structure 3 on the other hand, and therefore the adjusting structure 3 is improved to drive the rotating shaft 43, the connecting rods 42 and the rotating shaft 43 of the fan ring 41; the remaining connecting rods 42 are rotatably connected to the corresponding shafts 43.

The fan ring 41 is a sector-shaped section of the circular ring, and adjacent blades 4 are in meshed transmission connection with each other through the bevel gear 6, and when the fan ring 41 is specifically arranged, for example, the fan ring 41 is fixedly connected with the bevel gear 6, and the bevel gear 6 is sleeved on the connecting rod 42; or the bevel gear 6 is sleeved on the connecting rod 42 and the bevel gear 6 is fixedly connected with the connecting rod 42.

In addition, as shown in fig. 7, a fan ring 41 may be connected to the other side of each connecting rod 42, so that it is necessary for any connecting rod 42 to have two fan rings 41 on the connecting rod 42 in the same plane. Specifically, taking four connecting rods 42 as an example, each connecting rod 42 and two fan rings 41 on two sides of the connecting rod 42 form one blade 4, and the angle of each corresponding blade 4 is about 90 degrees, and the angle of each fan ring 41 is about 45 degrees.

Wherein, the connecting rod 42 of each blade 4 is provided with a connecting hole matched with the rotating shaft 43, and the connecting hole extends along the axis direction of the connecting rod 42 and at least penetrates through one end of the connecting rod 42; each rotating shaft 43 is located in a corresponding connecting hole, the rotating shaft 43 connected with the adjusting structure 3 is fixedly connected with the connecting hole corresponding to the rotating shaft 43, and the remaining rotating shafts 43 are rotatably connected with the corresponding connecting holes.

In this embodiment, the connecting hole extends along the axial direction of the connecting rod 42 and at least penetrates through one end of the connecting rod 42, one of the rotating shafts 43 is fixed in the connecting hole by a fixing pin, and the other rotating shafts 43 are rotatably connected with the connecting hole.

For the case that the connection hole is rotationally connected with the rotating shaft 43, the rotating shaft 43 is tangential to the connection hole, and the axis of the rotating shaft 43 is coincident with the axis of the connection hole; the rotating shaft 43 may be provided with a circular cross section, the connecting hole may be provided with an elliptical cross section, a triangular cross section, a square cross section, or the like, or the connecting hole may be provided with a circular cross section, and the rotating shaft 43 may be provided with an elliptical cross section, a triangular cross section, a square cross section, or the like.

As shown in fig. 6, the side wall of the valve pipeline 1 is connected with an extension portion 14, the extension portion 14 is provided with a through hole from which the rotating shaft 43 extends, one rotating shaft 43 passes through the through hole to be connected with the adjusting structure 3, and the fixing structure can fix the adjusting structure 3 on the extension portion 14.

In this embodiment, the extension portion 14 is provided to facilitate the fixing structure to fix the adjustment structure 3 on the extension portion 14; perforations in the extension 14 extend through the valve conduit 1 so that one of the connecting rods 42 can be connected to the adjustment structure 3 through the valve conduit 1 and the extension 14.

As shown in fig. 1 and 4, the valve pipeline 1 includes an upper pipeline 11 and a lower pipeline 13, the upper pipeline 11 and the lower pipeline 13 are connected through a first flange 12, the upper pipeline 11 and the lower pipeline 13 are provided with half holes with equal numbers, the extension part 14 is connected at a mounting hole formed by a pair of half holes, the mounting hole and the perforation are coaxially arranged, and the remaining rotating shaft 43 is fixed in the mounting hole formed by the corresponding half holes.

In this embodiment, the valve pipe 1 includes an upper pipe 11 and a lower pipe 13 connected by a first flange 12, and the valve pipe 1 is configured such that the upper pipe 11 and the lower pipe 13 can be conveniently installed and fixed by the rotating shaft 43, and one of the connecting rods 42 is conveniently extended out of the valve pipe 1 to be connected with the adjusting structure 3.

When the device is specifically arranged, half holes with the same number as the blades 4 can be respectively formed at the lower end of the upper pipeline 11 and the upper end of the lower pipeline 13, the extension part 14 is connected at the mounting hole formed by a pair of half holes, and the mounting hole and the perforation are required to be arranged coaxially, so that the rotating shaft 43 can penetrate through the mounting hole and the perforation to be connected with the adjusting structure 3, and the rest of the rotating shaft 43 is fixed in the mounting hole formed by the corresponding half holes.

As shown in fig. 6, the adjusting structure 3 is an adjusting rod 31, the adjusting rod 31 is fixedly connected with a rotating shaft 43 passing through the through hole, and an adjusting handle 32 is fixedly connected with one end of the adjusting rod 31 away from the rotating shaft 43.

In this embodiment, the adjusting structure 3 is an adjusting rod 31, and the adjusting rod 31 is fixedly connected with the rotating shaft 43, so that the rotating shaft 43 can be driven to rotate by the adjusting rod 31; in addition, the adjusting handle 32 can be arranged to conveniently rotate the adjusting rod 31, the adjusting handle 32 is fixedly connected with the adjusting rod 31, and when the adjusting handle is specifically arranged, the adjusting handle 32 and the adjusting rod 31 can be fixedly connected in a threaded connection or welding mode.

As shown in fig. 6, the fixing structure is a fixing ring 5, an inner thread is disposed on an inner wall of the fixing ring 5, and external threads are disposed on the outer portions of the adjusting rod 31 and the extension portion 14, and the external threads are matched with the inner threads.

In this embodiment, the fixing structure is a fixing ring 5, and when the fixing ring 5 is all located on the adjusting rod 31 or the fixing ring 5 is all located on the extension portion 14, the adjusting rod 31 can rotate to drive the corresponding blade 4 to rotate; when the fixing ring 5 is coupled to both the adjustment lever 31 and the extension 14, the adjustment lever 31 cannot be rotated.

As shown in fig. 1, 12 blades 4 are disposed in the valve pipeline 1, and the upper end of the valve pipeline 1 and the lower end of the valve pipeline 1 are both connected with a second flange 2.

In this embodiment, the second flange 2 is used to connect the valve pipeline 1 with other pipelines; 12 blades 4 are arranged in the valve pipeline 1, the corresponding angle of each blade 4 is 30 degrees, and each blade 4 can take the form of a connecting rod 42 and one fan ring 41 or take the form of the connecting rod 42 and two fan rings 41; when the 12 blades 4 are positioned in the same plane, the air quantity allowed by the control valve is minimum, and the air quantity allowed by the control valve can be changed by rotating the adjusting rod 31 or the adjusting handle 32.

The blades of the embodiment of the utility model comprise a plurality of blades, when one of the blades is driven to rotate by the adjusting structure, the other blades rotate along with the blade, so that the wind force received by each blade is approximately equal, and when each blade is damaged, the blades can be independently replaced.

The pipeline air quantity control valve provided by the embodiment of the utility model can be arranged on a pipeline which needs to adjust the passing air quantity according to the requirement, such as a ventilating pipeline of a chemical deodorizing tower, wherein the blades and the bevel gears can be made of high-strength corrosion-resistant materials according to the requirement.

It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.

Furthermore, the terms "a," "an," "the" and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. The utility model provides a pipeline air quantity control valve, includes the valve pipeline, its characterized in that is equipped with a plurality of blades that are annular distribution in the valve pipeline, one of them the pivot of blade pass the valve pipeline is connected with regulation structure, regulation structure can drive this blade and rotate, regulation structure is connected with fixed knot constructs, fixed knot constructs can be with regulation structure is fixed on the valve pipeline; the rotating shaft of each of the rest blades is fixedly connected with the valve pipeline; each blade is in transmission connection with two adjacent blades.

2. The duct air volume control valve according to claim 1, wherein one end of each blade away from the side wall of the valve duct is connected with bevel gears, the bevel gears of each blade are in transmission connection with the bevel gears of two adjacent blades, and the number of the blades is even.

3. The duct air volume control valve according to claim 1, wherein each blade comprises a connecting rod, one side of the connecting rod is connected with a fan ring, one of the connecting rods of the blades is fixedly connected with a rotating shaft thereof, one end of the rotating shaft extending out of the valve duct is connected with the adjusting structure, and the connecting rod of each of the other blades is rotatably connected with the corresponding rotating shaft.

4. A duct air volume control valve according to claim 3, wherein a fan ring is also connected to the other side of each of the connecting rods, and for any one of the connecting rods, two of the fan rings on the connecting rod lie in the same plane.

5. The duct air volume control valve according to claim 3, wherein a connecting hole matched with the rotating shaft is formed in the connecting rod of each blade, and the connecting hole extends along the axis direction of the connecting rod and penetrates at least one end of the connecting rod; each rotating shaft is positioned in the corresponding connecting hole, the rotating shaft connected with the adjusting structure is fixedly connected with the connecting hole corresponding to the rotating shaft, and the rest rotating shafts are rotatably connected with the corresponding connecting holes.

6. The duct air volume control valve of claim 5, wherein an extension portion is connected to a side wall of the valve duct, the extension portion is provided with a through hole from which the rotating shaft extends, one of the rotating shafts passes through the through hole to be connected to the adjusting structure, and the fixing structure can fix the adjusting structure to the extension portion.

7. The duct air volume control valve according to claim 6, wherein the valve duct includes an upper duct and a lower duct, the upper duct and the lower duct are connected by a first flange, equal half holes are provided in the upper duct and the lower duct, the extension portion is connected to a mounting hole formed by a pair of the half holes, the mounting hole is coaxially disposed with the through hole, and the remaining rotating shaft is fixed in the mounting hole formed by the remaining half holes.

8. The duct air volume control valve of claim 6, wherein the adjustment structure is an adjustment lever fixedly connected with a rotating shaft passing through the through hole, and an adjustment handle is fixedly connected with one end of the adjustment lever away from the rotating shaft.

9. The air volume control valve of claim 8, wherein the fixing structure is a fixing ring, an inner thread is arranged on the inner wall of the fixing ring, external threads are arranged on the outer parts of the adjusting rod and the extending part, and the external threads are matched with the inner threads.

10. The duct air volume control valve according to any one of claims 1 to 9, wherein 12 vanes are provided in the valve duct, and the upper end of the valve duct and the lower end of the valve duct are both connected with a second flange.