Adjustable single-shaft type air volume adjusting valve

Abstract

The utility model relates to an adjustable single-shaft type air volume adjusting valve, which belongs to the technical field of air volume adjusting valves and comprises an adjusting valve body, an air volume adjusting mechanism is arranged in the adjusting valve body and comprises a connecting plate movably connected with the top and the bottom of the adjusting valve body, and an air pipe is fixedly mounted in the connecting plate. According to the adjustable single-shaft type air volume adjusting valve, a threaded block on the outer side starts to move under limiting of a limiting block, the threaded block drives a movable rod to move rightwards, the movable rod drives a connecting plate and a piston block to move, the piston block seals a cavity in the adjusting valve body, and therefore the air volume in an air pipe can be reduced; or the knob and the adjusting screw rod are reversely rotated, so that the piston block opens the cavity in the adjusting valve body, the air outlet amount of the cavity in the adjusting valve body is conveniently adjusted, the knob and the mounting box are connected in an inserted mode through the limiting pin, unnecessary rotation of the knob can be avoided, and the air outlet amount of the air pipe can be rapidly adjusted and controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of air volume regulating valve, concretely is a single axle type air volume regulating valve with adjustable. BACKGROUND

[0002] Air volume regulating valve is a kind of equipment for adjusting the size of air volume in ventilation system or air conditioning system, and the size of air volume is controlled by the opening angle of valve baffle, and the size of air volume is controlled by adjusting the opening angle of baffle, which is indispensable central air conditioning terminal accessory in the ventilation, air conditioning and air purification engineering of industrial plant and civil building, generally used in air conditioning, ventilation system pipeline, to adjust the air volume of branch pipe, and also can be used for mixing adjustment of fresh air and return air.

[0003] The existing air volume regulating valve is turned over or deformed by itself under the blowing of airflow in the process of use, causes inaccurate air volume regulation, and is inconvenient and quickly adjusted, although some high-end air volume regulating valves can realize relatively accurate air volume control, but for part of ordinary air volume regulating valves, its regulation accuracy still needs to be improved, difficult to meet the special place or process requirement of some extremely high air volume control accuracy, therefore, another technical scheme is proposed to solve the problem. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model provides a single axle type air volume regulating valve with adjustable, has the advantages that air volume can be quickly and effectively adjusted, solves the problems that the existing air volume regulating valve is turned over or deformed by itself under the blowing of airflow in the process of use, causes inaccurate air volume regulation, and is inconvenient and quickly adjusted, although some high-end air volume regulating valves can realize relatively accurate air volume control, but for part of ordinary air volume regulating valves, its regulation accuracy still needs to be improved.

[0005] To achieve the above object, the utility model provides the following technical scheme: a single axle type air volume regulating valve with adjustable, including regulating valve body, the inside of regulating valve body is provided with air volume regulating mechanism;

[0006] The air volume regulating mechanism includes the connecting plate movably connected to the top and bottom of the regulating valve body, the inside of the connecting plate is fixedly installed with air pipe, the inside of the connecting plate is screw-connected with fixed bolt screw-connected with the regulating valve body, the left side of the regulating valve body is fixedly installed with mounting box, the inside of the mounting box is rotatably connected with adjusting screw rod, and the outside of the adjusting screw rod is screw-connected with screw block;

[0007] The top and bottom of the threaded block are fixedly provided with limiting blocks in sliding connection with the mounting box, the right side of the threaded block is fixedly provided with a movable rod extending into the inside of the adjusting valve body, and the right side of the movable rod is fixedly provided with a fixed plate, and the top and bottom of the fixed plate are fixedly provided with piston blocks in sliding connection with the mounting box.

[0008] Further, the air volume adjusting mechanism further comprises a knob fixedly installed on the left side of the adjusting screw rod, and the knob is internally inserted with a limiting pin in insertion with the mounting box.

[0009] Further, the inside of the adjusting valve body is provided with a cavity, and the inside of the cavity is provided with a sealing gasket, and the piston block is in close contact with the sealing gasket.

[0010] Further, the top and bottom of the adjusting valve body and the inside of the connecting plate are provided with corresponding threaded grooves, and the fixed bolts are in threaded connection with the fixed bolts through the threaded grooves.

[0011] Further, the inside of the threaded block is provided with a threaded groove, and the threaded block is in threaded connection with the adjusting screw rod through the threaded groove.

[0012] Further, the inner top wall and the inner bottom wall of the mounting box are provided with limiting grooves, and the limiting blocks are in sliding connection with the mounting box through the limiting grooves.

[0013] Further, the inside of the knob is provided with a plurality of evenly distributed insertion grooves, and the limiting pin is in insertion with the knob and the mounting box through the insertion grooves.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The adjustable single-shaft air volume adjusting valve is provided with the air volume adjusting mechanism, the knob and the adjusting screw rod are rotated, the threaded block on the outside starts to move under the limitation of the limiting block, the threaded block drives the movable rod to move to the right, the movable rod drives the connecting plate and the piston block to move, the piston block closes the cavity in the inside of the adjusting valve body, so that the air volume in the inside of the air pipe can be reduced, or the knob and the adjusting screw rod are reversely rotated, the piston block opens the cavity in the inside of the adjusting valve body, the air volume of the cavity in the inside of the adjusting valve body can be adjusted, the limiting pin can be inserted with the knob and the mounting box, unnecessary rotation of the knob can be avoided, the air volume of the air pipe can be quickly regulated and controlled, and the flexibility of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a sectional view of the structure of the utility model;

[0017] Fig. 2 It is a three-dimensional view of the structure of the utility model;

[0018] Fig. 3 It is a structure front view schematic diagram of the utility model.

[0019] In the figure: 1, adjusting valve body; 2, connecting plate; 3, air pipe; 4, fixed bolt; 5, mounting box; 6, adjusting screw; 7, threaded block; 8, limiting block; 9, movable rod; 10, fixed plate; 11, piston block; 12, knob; 13, limiting pin; 101, sealing gasket. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figs. 1 to 3 The adjustable single-shaft air volume regulating valve in the embodiment comprises an adjusting valve body 1, and an air volume adjusting mechanism is arranged in the adjusting valve body 1.

[0022] In the embodiment, the air volume adjusting mechanism comprises a connecting plate 2 movably connected to the top and bottom of the adjusting valve body 1, the connecting plate 2 is internally fixedly provided with an air pipe 3, the connecting plate 2 is internally threadedly connected with a fixed bolt 4 threadedly connected with the adjusting valve body 1, and the top and bottom of the adjusting valve body 1 and the inside of the connecting plate 2 are provided with corresponding threaded grooves, the fixed bolt 4 is threadedly connected with the fixed bolt 4 through the threaded grooves, and the fixed bolt 4 is helpful for installing and fixing the air pipe 3.

[0023] The left side of the adjusting valve body 1 is fixedly provided with a mounting box 5, the mounting box 5 is internally rotatably connected with an adjusting screw 6, the outer side of the adjusting screw 6 is threadedly connected with a threaded block 7, the inside of the threaded block 7 is provided with a threaded groove, and the threaded block 7 is threadedly connected with the adjusting screw 6 through the threaded groove, and the threaded block 7 is helpful for moving.

[0024] In the embodiment, the top and bottom of the threaded block 7 are fixedly provided with limiting blocks 8 slidably connected with the mounting box 5, the inner top wall and the inner bottom wall of the mounting box 5 are provided with limiting grooves, the limiting blocks 8 are slidably connected with the mounting box 5 through the limiting grooves, the limiting blocks 8 are helpful for limiting, the right side of the threaded block 7 is fixedly provided with a movable rod 9 extending into the inside of the adjusting valve body 1, the right side of the movable rod 9 is fixedly provided with a fixed plate 10, and the top and bottom of the fixed plate 10 are fixedly provided with piston blocks 11 slidably connected with the mounting box 5.

[0025] The inside of the adjusting valve body 1 is provided with a cavity, and the inside of the cavity is provided with a sealing gasket 101, the piston block 11 is attached to the sealing gasket 101, which facilitates closing and opening, the air volume adjusting mechanism further comprises a knob 12 fixedly installed on the left side of the adjusting screw 6, a plurality of evenly distributed insertion slots are formed in the inside of the knob 12, the limiting pin 13 is inserted into the knob 12 and the installation box 5, which helps the limiting pin 13 to limit the knob 12, and the limiting pin 13 is inserted into the inside of the knob 12 and the installation box 5.

[0026] It should be noted that the adjustable single-shaft air volume adjusting valve, by setting the air volume adjusting mechanism, rotating the knob 12 and the adjusting screw 6, so that the external threaded block 7 starts to move under the limitation of the limiting block 8, so that the threaded block 7 drives the movable rod 9 to move to the right, so that the movable rod 9 drives the fixed plate 10 and the piston block 11 to move, so that the piston block 11 closes the cavity inside the adjusting valve body 1, so as to reduce the air volume inside the air pipe 3, or reverse the rotation of the knob 12 and the adjusting screw 6, so that the piston block 11 opens the cavity inside the adjusting valve body 1, which is convenient for adjusting the air volume of the cavity inside the adjusting valve body 1, and the limiting pin 13 can be inserted into the knob 12 and the installation box 5, which can avoid unnecessary rotation of the knob 12, and helps to quickly regulate the air volume of the air pipe 3, greatly improving the flexibility of the device.

[0027] The working principle of the above embodiment is as follows:

[0028] The adjustable single-shaft air volume adjusting valve, when in use, first uses the fixing bolt 4 to fix the connecting plate 2 and the air pipe 3 on the top and bottom of the adjusting valve body 1, so that the air pipe 3 is connected with the cavity of the adjusting valve body 1, when it is necessary to adjust the air volume inside the adjusting valve body 1, the knob 12 can be directly rotated, the knob 12 can drive the adjusting screw 6 to rotate, the threaded block 7 outside the adjusting screw 6 starts to move under the limitation of the limiting block 8, so that the threaded block 7 drives the movable rod 9 to move to the right, so that the movable rod 9 drives the fixed plate 10 and the piston block 11 to move, so that the piston block 11 closes the cavity inside the adjusting valve body 1, so as to reduce the air volume inside the air pipe 3, when the knob 12 is rotated in reverse, the knob 12 drives the adjusting screw 6 to rotate, so that the threaded block 7 drives the movable rod 9, the fixed plate 10 and the piston block 11 to move to the left, so that the piston block 11 opens the cavity inside the adjusting valve body 1, which is convenient for adjusting the air volume of the cavity inside the adjusting valve body 1, and the limiting pin 13 can be inserted into the knob 12 and the installation box 5, which can avoid unnecessary rotation of the knob 12, and helps to quickly regulate the air volume of the air pipe 3, greatly improving the flexibility and practicality of the device.

[0029] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0030] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. An adjustable single-shaft air volume control valve comprising an adjusting valve body (1), characterized in that: The inside of the adjusting valve body (1) is provided with a wind volume adjusting mechanism; The wind volume adjusting mechanism comprises a connecting plate (2) movably connected to the top and bottom of the adjusting valve body (1), a wind pipe (3) fixedly installed in the inside of the connecting plate (2), a fixing bolt (4) threadedly connected to the adjusting valve body (1) and threadedly connected to the inside of the connecting plate (2), an installation box (5) fixedly installed on the left side of the adjusting valve body (1), an adjusting screw rod (6) rotatably connected to the inside of the installation box (5), and a threaded block (7) threadedly connected to the outside of the adjusting screw rod (6). The top and bottom of the threaded block (7) are fixedly installed with limiting blocks (8) slidably connected to the installation box (5), and the right side of the threaded block (7) is fixedly installed with a movable rod (9) extending into the inside of the adjusting valve body (1).

2. The adjustable single-shaft air volume control valve according to claim 1, wherein: The right side of the movable rod (9) is fixedly installed with a fixed plate (10), and the top and bottom of the fixed plate (10) are fixedly installed with piston blocks (11) slidably connected to the installation box (5).

3. The adjustable unibody volume control valve of claim 1, wherein: The wind volume adjusting mechanism further comprises a knob (12) fixedly installed on the left side of the adjusting screw rod (6), and the inside of the knob (12) is inserted with a limiting pin (13) inserted into the installation box (5).

4. The adjustable unibody volume control valve of claim 1, wherein: The inside of the adjusting valve body (1) is provided with a cavity, and the inside of the cavity is provided with a sealing gasket (101), and the piston blocks (11) are in close contact with the sealing gasket (101).

5. The adjustable unibody volume control valve of claim 1, wherein: The top and bottom of the adjusting valve body (1) and the inside of the connecting plate (2) are provided with corresponding threaded grooves, and the fixing bolt (4) is threadedly connected to the fixing bolt (4) through the threaded grooves.

6. The adjustable unibody volume control valve of claim 1, wherein: The inside of the threaded block (7) is provided with a threaded groove, and the threaded block (7) is threadedly connected to the adjusting screw rod (6) through the threaded groove.

7. The adjustable unibody volume control valve of claim 2, wherein: The inner top wall and the inner bottom wall of the installation box (5) are provided with limiting grooves, and the limiting blocks (8) are slidably connected to the installation box (5) through the limiting grooves. The inside of the knob (12) is provided with a plurality of evenly distributed insertion grooves, and the limiting pin (13) is inserted into the knob (12) and the installation box (5) through the insertion grooves.

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