CN217653265U

CN217653265U - High accuracy air regulation venturi valve

Info

Publication number: CN217653265U
Application number: CN202221123804.7U
Authority: CN
Inventors: 杨红; 査旭中; 黄辉; 王磊
Original assignee: Nantong Griffin Intelligent Technology Co ltd
Current assignee: Nantong Griffin Intelligent Technology Co ltd
Priority date: 2022-05-11
Filing date: 2022-05-11
Publication date: 2022-10-25
Anticipated expiration: 2032-05-11

Abstract

The utility model discloses a high accuracy air regulation venturi valve, including the valve body shell, install the main shaft in the valve body shell, and fixed mounting has the cone leaf on the main shaft, the sealed fixed mounting of inner wall of valve body shell has the case board, and sets up four groups on the case board and be the amount of wind mouths that annular array distributes, the center department of case board is run through in the sealed activity of main shaft, the regulation aerofoil is installed to valve body shell internal rotation. This high accuracy air regulation venturi valve, when the amount of wind mouth on the case board staggers with the counterpoint hole on the regulation aerofoil, four groups of amount of wind mouths all do not communicate with each other with two sets of counterpoint holes this moment, the valve body is in the closed condition, adjust the aerofoil through rotating, make counterpoint hole and amount of wind mouth switch-on, then make the valve body carry out the amount of wind regulation and control, and because the diameter of four groups of amount of wind mouths is all inequality, and the diameter of counterpoint hole is the same with the diameter of the biggest a set of amount of wind mouth, and then make the intake to adjust, and adjust accurately, the effect that has "many gears".

Description

High accuracy air regulation venturi valve

Technical Field

The utility model relates to a venturi valve technical field specifically is a high accuracy air regulation venturi valve.

Background

The Venturi valve is widely applied to air supply and exhaust pipelines and used for adjusting air quantity. The venturi valve controls the air quantity mainly through the matching of a venturi-shaped shell, an internal valve core and a valve rod, can control and expand air flow to the highest level due to the combination of a mechanical pressure irrelevant regulator, and is widely applied to places such as biological product production plants, toxic and harmful laboratories, chemical laboratories and biological safety laboratories which require negative pressure control. However, the venturi valve in the prior art cannot accurately control the air volume adjusting process, so that the adjusting precision is low; the air volume adjusting structure is complex and is not easy to adjust. Therefore, a high-precision air volume adjusting venturi valve needs to be designed, so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high accuracy air regulation venturi valve to solve the problem that above-mentioned background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy air regulation venturi valve, includes the valve body shell, install the main shaft in the valve body shell, and fixed mounting has the cone leaf on the main shaft, the sealed fixed mounting of inner wall of valve body shell has the case board, and sets up four groups on the case board and be the amount of wind mouth that the annular array distributes, the center department of case board is run through in the sealed activity of main shaft, the regulation aerofoil is installed to the valve body shell internal rotation, and sets up two sets of counterpoint holes that are ninety degrees and set for on the regulation aerofoil, the center department of regulation aerofoil is run through in the sealed activity of main shaft.

Preferably, each group of the air volume openings comprises three air ports, the diameters of the four groups of the air volume openings are sequentially reduced in the clockwise direction, each group of the alignment holes comprises three inlet holes, the diameters of the two groups of the alignment holes are the same, and the diameters of the alignment holes are the same as the diameter of the largest group of the air volume openings.

Preferably, a sleeve seat is fixedly mounted on the side surface of the valve body shell, and a driving mechanism for driving the adjusting air plate to rotate is mounted in the sleeve seat.

Preferably, actuating mechanism includes driving motor, rotation axis, pinion and linkage tooth, driving motor fixed mounting is in the bottom of cover seat, and driving motor's output end fixedly connected with extends the rotation axis in the cover seat, fixed cover has the pinion on the rotation axis, the side fixed mounting who adjusts the aerofoil has the linkage tooth that is the annular array and distributes, and linkage tooth and pinion meshing.

Preferably, a connecting port is formed in one side, close to the valve body shell, of the sleeve seat, a ring groove is formed in the inner wall of the valve body shell, the linkage teeth extend into the ring groove, a movable through hole communicated with the connecting port is formed in the inner wall of one side of the ring groove, and the pinion extends into the ring groove through the connecting port and the movable through hole.

Preferably, the adjusting bin is arranged in the sleeve seat, the rotating shaft and the pinion are both installed in the adjusting bin, the sealing cover is detachably installed at the top of the sleeve seat through a fastening screw, and the adjusting bin is sealed through the sealing cover.

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

(1) This high accuracy air regulation venturi valve, when the amount of wind mouth on the case board staggers with the counterpoint hole on the regulation aerofoil, four groups of amount of wind mouths all do not communicate with each other with two sets of counterpoint holes this moment, the valve body is in the closed condition, adjust the aerofoil through rotating, make counterpoint hole and amount of wind mouth switch-on, then make the valve body carry out the amount of wind regulation and control, and because the diameter of four groups of amount of wind mouths is all inequality, and the diameter of counterpoint hole is the same with the diameter of the biggest a set of amount of wind mouth, and then make the intake to adjust, and adjust accurately, the effect that has "many gears".

(2) According to the high-precision air volume adjusting Venturi valve, the diameters of four air volume ports are sequentially reduced in the clockwise direction, when two groups of alignment holes are respectively aligned with the air volume port with the largest diameter and the air volume port with the second largest diameter, the air volume is selected to be the largest, when the adjusting air plate is adjusted clockwise, the air volume is reduced, in the continuous rotating process of the adjusting air plate, air volume adjustment can be circulated, and the adjusting air plate does not need to be rotated reversely.

(3) This high accuracy air regulation venturi valve, the rotation of adjusting the aerofoil is accomplished by actuating mechanism, and driving motor's output drives the rotation axis and rotates, makes the transmission of pinion and linkage tooth then, makes the adjusting aerofoil clockwise rotation in the valve body shell to accomplish semi-automatization air regulation, realize the high accuracy of the amount of wind and adjust.

Drawings

FIG. 1 is a perspective view of the overall structure of the present invention;

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a perspective view of the structural valve core plate and the adjusting wind plate of the present invention;

fig. 4 is a schematic view of the adjusting damper of fig. 3 of the present invention rotated clockwise by two hundred and seventy degrees;

FIG. 5 is a perspective view of the structure of the present invention;

fig. 6 is a partial explosion diagram of the structure of the present invention.

In the figure: 1. a valve body housing; 101. a ring groove; 102. a movable through hole; 2. a main shaft; 3. a pyramidal leaf; 4. a valve core plate; 41. an air volume port; 5. adjusting the air plate; 51. aligning holes; 6. a sleeve seat; 61. adjusting the bin; 62. a connection port; 7. a rotating shaft; 8. a pinion gear; 9. a linkage tooth; 10. a drive motor; 11. a sealing cover; 12. and (5) fastening the screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides the following embodiments:

example one

The utility model provides a high accuracy air regulation venturi valve, including valve body shell 1, install main shaft 2 in the valve body shell 1, and fixed mounting has cone leaf 3 on the main shaft 2, the sealed fixed mounting of inner wall of valve body shell 1 has case board 4, and set up four groups air volume mouth 41 that are the annular array and distribute on the case board 4, the sealed activity of main shaft 2 runs through the center department of case board 4, regulation aerofoil 5 is installed to the internal rotation of valve body shell 1, and set up two sets of counterpoint holes 51 that are ninety degrees and set for on the regulation aerofoil 5, the sealed activity of main shaft 2 runs through the center department of regulation aerofoil 5.

Further, each air volume port 41 comprises three air ports, the diameters of the four air volume ports 41 are sequentially reduced in the clockwise direction, each alignment hole 51 comprises three inlet holes, the diameters of the two groups of alignment holes 51 are the same, and the diameter of each alignment hole 51 is the same as that of the largest air volume port 41.

Furthermore, a sleeve seat 6 is fixedly installed on the side surface of the valve body shell 1, and a driving mechanism for driving the adjusting air plate 5 to rotate is installed in the sleeve seat 6.

The specific implementation manner of this embodiment is: when the air volume port 41 on the valve core plate 4 is staggered with the alignment hole 51 on the adjusting air plate 5, at this time, the four air volume ports 41 are not communicated with the two alignment holes 51, the valve body is in a closed state, the alignment hole 51 is communicated with the air volume port 41 by rotating the adjusting air plate 5, so that the air volume control of the valve body is performed, and as the diameters of the four air volume ports 41 are different and the diameter of the alignment hole 51 is the same as that of the largest air volume port 41, the air volume can be adjusted, the adjustment is accurate, and the multi-gear effect is achieved;

the diameters of the four groups of air volume ports 41 are sequentially reduced in a clockwise direction, when the two groups of alignment holes 51 are respectively aligned with the air volume port 41 with the largest diameter and the air volume port 41 with the second largest diameter, the air intake is selected to be the largest at the moment, when the air adjusting plate 5 is adjusted clockwise, the air intake is reduced, and in the continuous rotating process of the air adjusting plate 5, the air volume adjustment is circulated without reversely rotating the air adjusting plate 5.

Example two

The difference from the first embodiment is that the following contents are also included:

actuating mechanism includes driving motor 10, rotation axis 7, pinion 8 and linkage tooth 9, and driving motor 10 fixed mounting is in the bottom of cover seat 6, and driving motor 10's output fixedly connected with extends the rotation axis 7 in the cover seat 6, and the fixed cover has pinion 8 on the rotation axis 7, and the side fixed mounting of adjusting aerofoil 5 has the linkage tooth 9 that is the annular array and distributes, and linkage tooth 9 meshes with pinion 8.

Furthermore, a connecting port 62 is formed in one side of the sleeve seat 6 close to the valve body shell 1, a ring groove 101 is formed in the inner wall of the valve body shell 1, the linkage teeth 9 extend into the ring groove 101, a movable through hole 102 communicated with the connecting port 62 is formed in the inner wall of one side of the ring groove 101, and the pinion 8 extends into the ring groove 101 through the connecting port 62 and the movable through hole 102.

Furthermore, adjustment storehouse 61 has been seted up to the inside of cover seat 6, and rotation axis 7 and pinion 8 all install in adjustment storehouse 61, and removable the installing of fastening screw 12 has sealed lid 11 at the top of cover seat 6, and sealed lid 11 is sealed adjustment storehouse 61, and the accessible is demolishd sealed lid 11 and is maintained actuating mechanism.

In this embodiment: the rotation of adjusting aerofoil 5 is accomplished by actuating mechanism, and driving motor 10's output drives rotation axis 7 and rotates, makes the transmission of pinion 8 and linkage tooth 9 then, makes adjusting aerofoil 5 clockwise rotation in valve body shell 1 to accomplish semi-automatization air regulation, realize the high accuracy of the amount of wind and adjust.

Those not described in detail in this specification are within the skill of the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high accuracy air regulation venturi valve, includes valve body shell (1), its characterized in that: install main shaft (2) in valve body shell (1), and fixed mounting has cone leaf (3) on main shaft (2), the sealed fixed mounting of inner wall of valve body shell (1) has case board (4), and sets up four groups air port (41) that are the ring array and distribute on case board (4), the center department of case board (4) is run through in the sealed activity of main shaft (2), regulation aerofoil (5) are installed to valve body shell (1) internal rotation, and set up two sets of counterpoint holes (51) that are ninety degrees and set for on adjusting aerofoil (5), the center department of regulation aerofoil (5) is run through in the sealed activity of main shaft (2).

2. A high accuracy air volume regulating venturi valve as in claim 1, wherein: each air volume port (41) comprises three air ports, the diameters of four air volume ports (41) are sequentially reduced in the clockwise direction, each alignment hole (51) comprises three inlet holes, the diameters of two groups of alignment holes (51) are the same, and the diameter of each alignment hole (51) is the same as that of the largest group of air volume port (41).

3. A high accuracy air volume regulating venturi valve as in claim 1, wherein: the side surface of the valve body shell (1) is fixedly provided with a sleeve seat (6), and a driving mechanism for driving the adjusting air plate (5) to rotate is arranged in the sleeve seat (6).

4. A high accuracy air volume modulation venturi valve as claimed in claim 3, wherein: actuating mechanism includes driving motor (10), rotation axis (7), pinion (8) and linkage tooth (9), driving motor (10) fixed mounting is in the bottom of cover seat (6), and the output fixedly connected with of driving motor (10) extends rotation axis (7) in cover seat (6), fixed cover has pinion (8) on rotation axis (7), the side fixed mounting who adjusts aerofoil (5) has linkage tooth (9) that are the ring array and distribute, and linkage tooth (9) and pinion (8) meshing.

5. A high accuracy air volume regulating Venturi valve according to claim 4 in which: connecting opening (62) have been seted up to one side that cover seat (6) are close to valve body shell (1), annular (101) have been seted up to the inner wall of valve body shell (1), linkage tooth (9) extend in annular (101), one side inner wall of annular (101) is seted up and is linked together communicating activity through-hole (102) with connecting opening (62), pinion (8) extend in annular (101) through connecting opening (62) and activity through-hole (102).

6. A high accuracy air volume regulating venturi valve as in claim 3, wherein: adjustment storehouse (61) have been seted up to the inside of cover seat (6), and rotation axis (7) and pinion (8) all install in adjustment storehouse (61), removable the installing of fastening screw (12) is passed through at the top of cover seat (6) has sealed lid (11), and sealed lid (11) are sealed with adjustment storehouse (61).