CN214662215U

CN214662215U - Variable air volume iris valve

Info

Publication number: CN214662215U
Application number: CN202120934384.XU
Authority: CN
Inventors: 孟大雪
Original assignee: Jiangsu Xicheng Environmental Protection Technology Co ltd
Current assignee: Jiangsu Xicheng Environmental Protection Technology Co ltd
Priority date: 2021-05-03
Filing date: 2021-05-03
Publication date: 2021-11-09
Anticipated expiration: 2031-05-03

Abstract

The utility model discloses a variable air volume iris valve, include: the inner wall of the front valve body is fixedly provided with a front bracket; the rear valve body is fixedly connected with the front valve body through a plurality of bolts, and a flow detector for measuring gas flow is arranged on the outer side of the rear valve body; the inner cylinder is assembled in the center of one side of the front support, and a plurality of rear supports are welded on the outer surface of the inner cylinder; the detachable front and rear valve bodies are adopted, so that part of elements in the detachable front and rear valve bodies can be conveniently overhauled and replaced, the use is more flexible, the surface of the front valve body can be preliminarily positioned by utilizing the rear support, and the working efficiency of the front and rear valve bodies in connection and installation operation is improved to a certain extent; the surface design actuating mechanism and the diaphragm body at the back support utilize actuating mechanism to drive the slider and slide on the spout surface to make the diaphragm body change in footpath, can change this iris valve's ventilation cross-section, it is less to the air current interference, embodied whole iris valve's practicality.

Description

Variable air volume iris valve

Technical Field

The utility model belongs to the valve field specifically is a variable air volume iris valve.

Background

Valves are mechanical devices that control the flow, direction, pressure, temperature, etc. of a flowing fluid medium, valves are essential components in piping systems; valve tubing is technically the same as pumps and is often discussed as a separate category. The valve can be operated manually or by a hand wheel, a handle or a pedal, and can also change the pressure, the temperature and the flow change of a fluid medium through control;

the existing valve needs to be used when dealing with gas flow, however, the existing valve has the following technical problems when in use: the change of the air quantity is realized by changing the angle of the wind shield in the valve, and the interference of the process to the air flow is larger.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a variable air volume iris valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a variable air volume iris valve comprising:

the inner wall of the front valve body is fixedly provided with a front bracket;

the rear valve body is fixedly connected with the front valve body through a plurality of bolts, and a flow detector for measuring gas flow is arranged on the outer side of the rear valve body;

the inner cylinder is assembled in the center of one side of the front support, a plurality of rear supports are welded on the outer surface of the inner cylinder, the membrane body is assembled on the surface of each rear support, and the membrane body is driven to change along the radial direction by arranging a driving mechanism.

Preferably, the inner diameter specifications of the front valve body and the rear valve body are the same, and the inner cavities of the front valve body and the rear valve body are used as wind measuring sections.

Preferably, the inner cylinder and the plurality of rear supports are of an integrated structure, and the plurality of rear supports and the front support are distributed in a staggered mode on the same plane.

Preferably, one end of each of the rear brackets can be inserted into a slot preset on the surface of the front valve body.

Preferably, the driving mechanism comprises a rotating rod, a sliding block and an elastic piece, the rotating rod is connected with the sliding block through a line body, the sliding block is assembled on the surface of the rear support in a sliding mode, and the elastic piece is used for connecting the sliding block with the rear support.

Preferably, a driving motor is installed at one end of the rotating rod and can drive the rotating rod to rotate, the line body can be distributed on the outer surface of the rotating rod in a winding mode, a sliding groove used for assembling a sliding block is formed in the surface of the rear support, the elastic piece is filled into the sliding groove, and the sliding block is fixedly connected with the surface of the film body.

Compared with the prior art, the utility model provides a variable air volume iris valve has following beneficial effect:

firstly, the detachable front and rear valve bodies are adopted, so that part of elements in the valve bodies can be conveniently overhauled and replaced, the use is more flexible, the surface of the front valve body can be preliminarily positioned by utilizing the rear support, and the working efficiency of the front and rear valve bodies in connection and installation operation is improved to a certain extent;

secondly, a driving mechanism and a membrane body are designed on the surface of the rear support, and the driving mechanism is utilized to drive the sliding block to slide on the surface of the sliding groove, so that the membrane body is changed in the radial direction, the ventilation section of the iris valve can be changed, the interference to air flow is small, and the practicability of the whole iris valve is embodied;

thirdly, the flow detector is designed on the outer side of the rear valve body, and meanwhile, an enough anemometry section is formed in the iris valve, so that the detection of the gas flow is completed, the whole structure is simple, and the use is convenient.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a side view of the overall structure of the present invention;

fig. 3 is an elevation view of the overall structure of the present invention;

fig. 4 is an enlarged view of the partial structure a of fig. 3 according to the present invention.

Reference numerals: 1. a front valve body; 2. a rear valve body; 3. a flow detector; 4. a front bracket; 5. a rear bracket; 6. an inner barrel; 7. a membrane body; 8. a rotating rod; 9. a slider; 10. an elastic member.

Detailed Description

The following describes a specific embodiment of the variable air volume iris valve of the present invention with reference to fig. 1. The present invention is not limited to the description of the following embodiments.

This embodiment provides a specific structure of a variable air volume iris valve, as shown in fig. 1-4, which includes:

a front valve body 1, the inner wall of which is fixedly provided with a front bracket 4;

the rear valve body 2 is fixedly connected with the front valve body 1 through a plurality of bolts, and a flow detector 3 for measuring gas flow is arranged on the outer side of the rear valve body 2;

the flow detector 3 is designed on the outer side of the rear valve body 2, and meanwhile, an enough anemometry section is formed in the iris valve, so that the detection of the gas flow is completed, the whole structure is simple, and the use is convenient.

The inner cylinder 6 is assembled in the center of one side of the front support 4, the outer surface of the inner cylinder 6 is welded with a plurality of rear supports 5, the surface of each rear support 5 is assembled with a membrane body 7, and the membrane body 7 is driven to change along the radial direction by arranging a driving mechanism.

As shown in fig. 1-3, the inner diameters of the front valve body 1 and the rear valve body 2 are the same, and the inner cavities of the front valve body and the rear valve body are used as wind measuring sections.

As shown in fig. 1, the inner cylinder 6 and the plurality of rear brackets 5 are of an integral structure, and the plurality of rear brackets 5 and the front bracket 4 are distributed in a staggered manner on the same plane.

By adopting the technical scheme:

adopt valve body around the detachable, the convenience overhauls and changes partial component in it, uses comparatively in a flexible way, utilizes after-poppet 5 can realize handling the preliminary location on 1 surface of preceding valve body, has improved the work efficiency when connecting the installation operation to the front and back valve body to a certain extent.

As shown in fig. 1 and 3, one end of a plurality of rear brackets 5 can be inserted into a slot preset on the surface of the front valve body 1.

As shown in fig. 4, the driving mechanism includes a rotating rod 8, a sliding block 9 and an elastic element 10, the rotating rod 8 and the sliding block 9 are connected by a wire, the sliding block 9 is slidably mounted on the surface of the rear bracket 5, and the elastic element 10 is used for connecting the sliding block 9 and the rear bracket 5.

Specifically, when the opening of the membrane body 7 needs to be adjusted to be large,

only the driving motor at one side of the rotating rod 8 needs to be turned off or reversely rotated, and each sliding block 9 moves under the action of the elastic restoring force of the elastic piece 10, so that each sliding block 9 is far away from each other;

when the opening of the membrane body 7 needs to be adjusted to be smaller,

the rotating rod 8 is rotated clockwise, and at the moment, the sliding blocks 9 are driven by the line body to move towards the center of the inner cylinder 6.

As shown in fig. 4, a driving motor is installed at one end of the rotating rod 8, the rotating rod 8 can be driven to rotate, the line body can be wound on the outer surface of the rotating rod 8, a sliding groove for assembling the sliding block 9 is formed in the surface of the rear support 5, the elastic part 10 is filled in the sliding groove, and the sliding block 9 is fixedly connected with the surface of the film body 7.

By adopting the technical scheme:

the driving mechanism and the film body 7 are designed on the surface of the rear support 5, and the driving mechanism is used for driving the sliding block 9 to slide on the surface of the sliding groove, so that the film body 7 is changed in the radial direction, the ventilation section of the iris valve can be changed, the air flow interference is small, and the practicability of the whole iris valve is embodied.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A variable air volume iris valve comprising:

the inner wall of the front valve body (1) is fixedly provided with a front bracket (4);

the rear valve body (2) is fixedly connected with the front valve body (1) through a plurality of bolts, and a flow detector (3) for measuring gas flow is installed on the outer side of the rear valve body (2);

the inner cylinder (6) is assembled in the center of one side of the front support (4), the outer surface of the inner cylinder (6) is welded with a plurality of rear supports (5), the surface of each rear support (5) is assembled with a membrane body (7), and the membrane bodies (7) are driven to change along the radial direction through a driving mechanism.

2. The variable air volume iris valve of claim 1, wherein: the inner diameter specifications of the front valve body (1) and the rear valve body (2) are the same, and the inner cavities of the front valve body and the rear valve body are used as wind measuring sections.

3. The variable air volume iris valve of claim 1, wherein: the inner cylinder (6) and the rear supports (5) are of an integrated structure, and the rear supports (5) and the front support (4) are distributed in a staggered mode on the same plane.

4. The variable air volume iris valve of claim 1, wherein: one end of each rear support (5) can be inserted into a slot preset on the surface of the front valve body (1).

5. The variable air volume iris valve of claim 1, wherein: the driving mechanism comprises a rotating rod (8), a sliding block (9) and an elastic piece (10), the rotating rod (8) is connected with the sliding block (9) through a line body, the sliding block (9) is assembled on the surface of the rear support (5) in a sliding mode, and the elastic piece (10) is used for connecting the sliding block (9) with the rear support (5).

6. The variable air volume iris valve of claim 5 wherein: the novel film forming device is characterized in that a driving motor is installed at one end of the rotating rod (8) and can drive the rotating rod (8) to rotate, the line body can be distributed on the outer surface of the rotating rod (8) in a winding mode, a sliding groove used for assembling a sliding block (9) is formed in the surface of the rear support (5), the elastic piece (10) is filled into the sliding groove, and the sliding block (9) is fixedly connected with the surface of the film body (7).