CN212718055U

CN212718055U - Split multi-blade regulating valve

Info

Publication number: CN212718055U
Application number: CN202021657517.5U
Authority: CN
Inventors: 喻文明; 喻彭蠡
Original assignee: Jiangxi Xiangfa Ventilation Equipment Co ltd
Current assignee: Jiangxi Xiangfa Ventilation Equipment Co ltd
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-03-16
Anticipated expiration: 2030-08-11

Abstract

The utility model relates to a multi-blade regulating valve technical field, specifically speaking relates to a split multi-blade regulating valve, including outer frame, outer frame circumference outer wall is close to both ends department and all is equipped with the flange, outer frame inside central point puts and is equipped with the fixed column, the terminal surface central point puts and has seted up the circular slot before the fixed column, round hole has been seted up on the fixed column circumference outer wall, each round hole top all is equipped with the valve leaf board, valve leaf board end central point puts and is equipped with the pivot, the end of pivot extends to in the circular slot, and all is equipped with the taper type gear on the end of pivot, one of them pivot top extends outer frame, and the pivot top is equipped with changes the handle, every two adjacent; this to opening multi-leaf governing valve, under two flange cooperations, be convenient for correspond whole outer frame and fix in circular shape pipeline, better closely laminating is fixed on circular pipeline, and the cooperation is installed on the fixed column jointly to a plurality of valve leaf boards, and eight valve leaf boards combine to enclose into a circular valve clack, are convenient for open or close whole pipeline and use.

Description

Split multi-blade regulating valve

Technical Field

The utility model relates to a leafy governing valve technical field specifically is a folio leafy governing valve.

Background

The split multi-blade regulating valve is widely applied to a ventilation air-conditioning system for regulating the air volume due to excellent regulating performance, simple structure and low cost, but the valve shaft of the split multi-blade regulating valve adopts a link mechanism in synchronous transmission, and the appearance of the split multi-blade regulating valve is made into a rectangular or square shape;

the general folio multi-blade regulating valve is square or rectangular, and is inconvenient to install and use for a part of circular pipelines and cannot be closely and correspondingly installed and used.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a to opening multi-leaf governing valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a folio multi-blade adjusting valve, includes the outer frame, the outer frame is hollow cylinder, the outer frame circumference outer wall all is equipped with the flange near both ends department, the inside central point of outer frame puts and is equipped with the fixed column, the round slot has been seted up to fixed column front end face central point, a plurality of round hole has been seted up on the fixed column circumference outer wall, every round hole top all is equipped with the valve leaf board, the valve leaf board is the sector, valve leaf board end central point puts and is equipped with the pivot, the pivot all runs through the fixed column, the end of pivot extends to in the round slot, and all be equipped with the tapered gear on the end of pivot, one of them pivot top extends outer frame, and the pivot top is equipped with changes the handle, every two adjacent tapered gear intermeshing.

Preferably, the flange is further provided with a plurality of flange holes, the flange holes are distributed in an annular shape at equal intervals, and the flange is welded and fixed with the outer frame.

Preferably, a sealing cover is further arranged at a position, corresponding to the circular groove, of the front end face of the fixing column, the sealing cover is in a round cake shape, the diameter of the sealing cover is smaller than the outer diameter of the fixing column, and the sealing cover is fixedly connected with the fixing column through a bolt.

Preferably, the round holes are distributed in an annular shape at equal intervals, and the number of the round holes is at least eight.

Preferably, the valve leaf plate and the rotating shaft are of an integrally formed structure, the rotating shaft and the bevel gear are of an integrally formed structure, the rotating handle is fixedly connected with one of the rotating shafts through bolts, and the top of the rotating shaft is rotatably connected with the outer frame.

Preferably, the rotating shaft part below the valve blade plate is sleeved with a bearing, the inner ring of the bearing is welded and fixed with the rotating shaft, and the outer ring of the bearing is bonded and fixed with the inner wall of the circular hole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses outer frame is hollow circular cylinder, and under two flange cooperations, be convenient for correspond whole outer frame and fix in circular shape pipeline, the better inseparable laminating is fixed on circular pipeline, and the cooperation is installed on the fixed column jointly to a plurality of valve leaf boards, and eight valve leaf boards combine to enclose into a circular valve clack, are convenient for open or closed whole pipe-line use.

2. The utility model discloses eight valve leaf boards realize synchronous rotation at the meshing of tapered gear, and the valve leaf board is under the cooperation of pivot and bearing, nimble rotation, and convenient to use person manual control is changeed in the cooperation of one of them pivot.

Drawings

FIG. 1 is a schematic view of the overall structure of the split multi-vane regulating valve of the present invention;

FIG. 2 is a schematic view of the opening structure of the valve blade of the split multi-blade control valve of the present invention;

FIG. 3 is a schematic structural diagram of an outer frame of the present invention;

fig. 4 is a schematic structural view of a combined frame of the fixing column and the valve vane plate of the present invention;

fig. 5 is the exploded schematic view of the fixing column and the valve vane plate of the present invention.

The various reference numbers in the figures mean:

1. an outer frame;

2. a flange; 20. a flange hole;

3. fixing a column; 30. a circular groove; 31. a sealing cover; 32. a circular hole;

4. a valve leaf plate; 40. a rotating shaft; 41. turning a handle; 42. a bevel gear; 400. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a folio multi-blade governing valve, including outer frame 1, outer frame 1 is hollow cylinder, 1 circumference outer wall of outer frame is close to both ends department and all is equipped with flange 2, 1 inside central point of outer frame puts and is equipped with fixed column 3, the circular slot 30 has been seted up to 3 preceding terminal surface central points of fixed column, a plurality of round hole 32 has been seted up on the 3 circumference outer walls of fixed column, every round hole 32 top all is equipped with valve leaf board 4, valve leaf board 4 is the fan-shaped form, 4 tip central points of valve leaf board put and are equipped with pivot 40, pivot 40 all runs through fixed column 3, the end of pivot 40 extends to in the circular slot 30, and all be equipped with tapered gear 42 on the end of pivot 40, outer frame 1 is extended at one of them pivot 40 top, and pivot 40 top is equipped with changes handle 41.

In this embodiment, still seted up a plurality of flange hole 20 on the flange 2, flange hole 20 is the equidistant distribution of annular, and flange 2 and outer frame 1 welded fastening are convenient for correspond flange 2 through flange hole 20 and are fixed in the circular pipeline that needs control, correspond the use of opening and shutting.

Further, the position that fixed column 3 preceding terminal surface department and circular slot 30 correspond still is equipped with sealed lid 31, and sealed lid 31 is the cake form, and the diameter of sealed lid 31 is less than fixed column 3 external diameter, and sealed lid 31 passes through bolt and fixed column 3 fixed connection, and sealed lid 31 cooperation is used, is convenient for protect the inside tapered gear 42 of fixed column 3, prevents to receive the influence of pipeline internal environment.

Specifically, the circular holes 32 are distributed at equal intervals in an annular shape, at least eight circular holes 32 are formed in the number, the valve leaf plates 4 are matched with the upper portion of each circular hole 32, and the eight valve leaf plates 4 are combined to form a circular valve clack for opening or closing the pipeline.

Furthermore, the valve leaf plate 4 and the rotating shaft 40 are of an integrally formed structure, the rotating shaft 40 and the bevel gear 42 are of an integrally formed structure, the rotating handle 41 is fixedly connected with one of the rotating shafts 40 through a bolt, the top of the rotating shaft 40 is rotatably connected with the outer frame 1, and the bevel gear 42 is matched with each other, so that the valve leaf plate 4 can rotate synchronously and can be opened or closed synchronously for use.

Besides, the bearing 400 is sleeved at the position of the rotating shaft 40 below the valve leaf plate 4, the inner ring of the bearing 400 is welded and fixed with the rotating shaft 40, the outer ring of the bearing 400 is bonded and fixed with the inner wall of the round hole 32, and the valve leaf plate 4 is convenient to rotate more flexibly under the matching of the bearing 400, so that the better opening and closing operation is facilitated.

The folio multi-blade adjusting valve of this embodiment is when using, the user is manual fixes flange 2 on the outer frame 1 on the circular pipeline of governing valve that needs to be installed through the bolt, user manual rotation is changeed handle 41, control the rotation of one of them valve leaf board 4, under pivot 40 and the cooperation of bevel gear 42, eight valve leaf boards 4 rotate in step, when valve leaf board 4 is parallel with fixed column 3, eight valve leaf boards 4 enclose into a circular valve clack, seal inside pipeline, user manual rotation is changeed handle 41, make valve leaf board 4 and fixed column 3 perpendicular time, valve leaf board 4 is parallel to each other, open inside pipeline and carry out corresponding emission and use.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A split multi-vane regulating valve comprising an outer frame (1), characterized in that: the outer frame (1) is in a hollow cylindrical shape, flanges (2) are arranged at positions, close to two ends, of the circumferential outer wall of the outer frame (1), a fixing column (3) is arranged at the center position inside the outer frame (1), a circular groove (30) is formed in the center position of the front end face of the fixing column (3), a plurality of circular holes (32) are formed in the circumferential outer wall of the fixing column (3), a valve vane plate (4) is arranged above each circular hole (32), each valve vane plate (4) is in a fan-shaped shape, a rotating shaft (40) is arranged at the center position of the end portion of each valve vane plate (4), each rotating shaft (40) penetrates through the corresponding fixing column (3), the tail end of each rotating shaft (40) extends into the corresponding circular groove (30), a conical gear (42) is arranged at the tail end of each rotating shaft (40), the outer frame (1) extends out of the top of each rotating shaft (40, every two adjacent bevel gears (42) are meshed with each other.

2. The split multi-vane regulator valve of claim 1, wherein: still seted up a plurality of flange hole (20) on flange (2), flange hole (20) are the equidistant distribution of annular, flange (2) and outer frame (1) welded fastening.

3. The split multi-vane regulator valve of claim 1, wherein: the sealing structure is characterized in that a sealing cover (31) is further arranged at a position, corresponding to the circular groove (30), of the front end face of the fixing column (3), the sealing cover (31) is in a round cake shape, the diameter of the sealing cover (31) is smaller than the outer diameter of the fixing column (3), and the sealing cover (31) is fixedly connected with the fixing column (3) through bolts.

4. The split multi-vane regulator valve of claim 1, wherein: the round holes (32) are distributed in an annular shape at equal intervals, and the number of the round holes (32) is at least eight.

5. The split multi-vane regulator valve of claim 1, wherein: valve leaf plate (4) and pivot (40) are integrated into one piece structure, pivot (40) and taper type gear (42) are integrated into one piece structure, change (41) and one of them pivot (40) pass through bolt fixed connection, pivot (40) top all rotates with outer frame (1) and is connected.

6. The split multi-vane regulator valve of claim 1, wherein: the rotating shaft (40) below the valve leaf plate (4) is sleeved with a bearing (400), the inner ring of the bearing (400) is welded and fixed with the rotating shaft (40), and the outer ring of the bearing (400) is fixedly bonded with the inner wall of the round hole (32).