Stainless steel air pipe convenient for controlling gas flow

Abstract

The utility model relates to the technical field of air pipes, in particular to a stainless steel air pipe convenient to control gas flow, which comprises an air pipe shell, an annular plate is arranged in the air pipe shell, the annular plate is in a horn mouth shape, a support frame is arranged on the side wall of a thin mouth of the annular plate, a speed increasing assembly is arranged in the center of the support frame, and the speed increasing assembly comprises a driving motor. The driving motor is located between the supporting frame and the annular plate, a rotating rod is installed at the output end of the driving motor and penetrates through the center of the side wall of the supporting frame, and a fan is installed at the outer end of the rotating rod. The stainless steel air pipe convenient to control the gas flow has the beneficial effects that the annular plate, the supporting frame and the speed increasing assembly are used in cooperation, so that the speed increasing assembly can increase the flow rate of gas in the air pipe and increase the circulation efficiency of the gas, and meanwhile the annular plate can prevent the speed increasing assembly from being damaged when the speed increasing assembly is used; when the air flows, the air flows back, so that the accuracy of the flow value of the air is influenced, and the utilization rate of the air pipe is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wind pipe technical field, concretely is a stainless steel wind pipe convenient to control gas flow. BACKGROUND

[0002] The stainless steel wind pipe is a kind of metal pipeline for a variety of higher gas-tightness requirement process exhaust system, solvent exhaust system, organic exhaust system, the inside of wind pipe changes the outlet area of wind or adjusts the flow direction of suction impeller by air valve, to change the characteristic curve of fan, to realize the effective control to gas flow.

[0003] In prior art, after the air valve of the stainless steel wind pipe convenient to control gas flow is opened, the flow rate of gas will slow down, and the flow of gas will decrease after the inside gas reaches a certain balance, so that the flow rate of the wind pipe is reduced, and it is difficult to increase the gas flow by adjusting the air valve at this time.

[0004] Therefore, the utility model provides a stainless steel wind pipe convenient to control gas flow to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stainless steel wind pipe convenient to control gas flow to solve the problems in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a stainless steel wind pipe convenient to control gas flow, the stainless steel wind pipe convenient to control gas flow includes: wind pipe shell, the inside of wind pipe shell is installed with ring plate, ring plate is trumpet mouth shape, the side wall of the narrow mouth of ring plate is installed with support frame, the center of support frame is installed with speed increasing assembly;

[0007] The speed increasing assembly includes drive motor, drive motor is located between support frame and ring plate, the output end of drive motor is installed with rotating rod, rotating rod penetrates the center of the side wall of support frame, the outer end of rotating rod is installed with fan.

[0008] Preferably, the narrow mouth side wall of the ring plate is installed with a dust screen, the dust screen is located inside the support frame, the side wall of the ring plate is installed with a bracket, and the inside of the bracket is installed with a disassembly assembly.

[0009] Preferably, the disassembly assembly includes a limiting rod, the limiting rod is located close to the outer surface of the dust screen, the outer surface of the limiting rod is installed with a clamping plate, and the clamping plate is attached to the outer surface of the dust screen.

[0010] Preferably, the inside of the bracket is installed with a movable block, a threaded rod is installed through the top of the bracket, and the threaded rod penetrates the inside of the movable block.

[0011] Preferably, the bottom of the threaded rod is provided with a top plate, and the outer surface of the top of the threaded rod is provided with a spring, and the bottom of the spring is located on the top of the support.

[0012] Preferably, the inside of the ring plate and the support frame is provided with a threaded hole, and the inside of the threaded hole is provided with a screw.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a stainless steel air pipe convenient to control gas flow, utilizes ring plate, support frame and speed increasing assembly cooperation to use, makes speed increasing assembly can accelerate the flow rate of gas in the air pipe and accelerates the flow efficiency of gas, simultaneously, ring plate can avoid the backflow of gas when speed increasing assembly is used, thereby influences the accuracy of gas flow value, makes the use rate of air pipe reduces. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic view of the utility model stainless steel air pipe;

[0016] Figure 2 It is the plane structure schematic view of the utility model stainless steel air pipe;

[0017] Figure 3 It is the three-dimensional structure schematic view of the utility model speed increasing assembly;

[0018] Figure 4 It is the three-dimensional structure schematic view of the utility model dismounting assembly;

[0019] Figure 5 It is the three-dimensional structure schematic view of the utility model ring plate.

[0020] In the drawing: 1, air pipe shell;2, ring plate;3, support frame;4, speed increasing assembly;5, drive motor;6, rotating rod;7, fan;8, dust screen;9, support;10, dismounting assembly;11, limiting rod;12, clamping plate;13, movable block;14, threaded rod;15, top plate;16, spring;17, threaded hole;18, screw. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme of the utility model clear, complete description, and the advantage is more clear and obvious, the following combining the drawing to the utility model embodiment carries out further detailed explanation.Should understand, the specific embodiment described here is a part of the embodiment of the utility model, instead of all the embodiment, only use to explain the embodiment of the utility model, and does not use to limit the embodiment of the utility model, all other embodiments obtained by the ordinary skill in the art without doing the creative labor, belong to the scope of the protection of the utility model.

[0022] Embodiment One

[0023] Please refer to Figures 1 to 5 The utility model provides a technical scheme: a stainless steel air pipe convenient to control gas flow, the stainless steel air pipe convenient to control gas flow includes: air pipe shell body 1, the inside installation of air pipe shell body 1 has ring plate 2, ring plate 2 is in the shape of a trumpet mouth, the side wall of the narrow mouth of ring plate 2 is installed with support frame 3, the inside of ring plate 2 and support frame 3 is equipped with screw hole 17, the inside installation of screw hole 17 has screw 18, the center of support frame 3 is installed with speed increasing assembly 4;

[0024] The speed increasing assembly 4 includes a drive motor 5, which is located between the support frame 3 and the ring plate 2. The output end of the drive motor 5 is installed with a rotating rod 6, which penetrates the center of the side wall of the support frame 3. The outer end of the rotating rod 6 is installed with a fan 7.

[0025] In use, the ring plate 2 is placed in front of the device for controlling gas flow. The speed increasing assembly 4 on the side wall of the ring plate 2 accelerates the flow rate of the gas flow. At the same time, the trumpet shape of the ring plate 2 can avoid backflow when the gas flow around the speed increasing assembly 4 is flowing, thereby affecting the accuracy of the gas flow value and reducing the usage rate of the air pipe. The speed increasing assembly 4 drives the rotating rod 6 to rotate through the drive motor 5, thereby driving the fan 7 to rotate and accelerating the gas flow inside the air pipe shell body 1.

[0026] Embodiment Two

[0027] The dust screen 8, which is conveniently disassembled and installed, is arranged on the basis of embodiment one to avoid dust affecting the service life of the internal parts of the air pipe when the dust flows with the gas. The narrow side wall of the ring plate 2 is installed with the dust screen 8, which is located inside the support frame 3. The side wall of the ring plate 2 is installed with a bracket 9, and the inside of the bracket 9 is installed with a disassembly assembly 10. The disassembly assembly 10 includes a limiting rod 11, which is located close to the outer surface of the dust screen 8. The outer surface of the limiting rod 11 is installed with a clamping plate 12, which is attached to the outer surface of the dust screen 8.

[0028] In use, the dust screen 8 is installed on the side wall of the ring plate 2. The clamping plate 12 is installed on the outer surface of the limiting rod 11 by rotating, which is convenient for fixing the dust screen 8 by fixing the clamping plate 12 on the outer surface of the dust screen 8. The disassembly assembly 10 is convenient for disassembling and installing the dust screen 8.

[0029] Embodiment Three

[0030] On the basis of embodiment two, there is a structure for conveniently fixing the dust screen 8, a movable block 13 is installed in the inside of the support 9, a threaded rod 14 is installed through the top of the support 9, the threaded rod 14 penetrates through the inside of the movable block 13, a top plate 15 is installed at the bottom of the threaded rod 14, a spring 16 is installed at the top outer surface of the threaded rod 14, the spring 16 provides a downward pulling force for the threaded rod 14, and the bottom of the spring 16 is located at the top of the support 9.

[0031] In use, the threaded rod 14 drives the top plate 15 to be fixed at the top of the clamping plate 12 to clamp and fix the dust screen 8 under the action force of the spring 16, the threaded rod 14 is rotated, the movable block 13 is conveniently moved up and down in the inside of the support 9, the movable block 13 is moved downward to conveniently fix the top plate 15, the movable block 13 is moved upward to conveniently move the threaded rod 14 upward, the clamping plate 12 is conveniently rotated to the inside of the support 9, and the dust screen 8 is conveniently taken down for replacement and cleaning.

[0032] Working principle: in actual use, the ring plate 2 is placed in front of a device for controlling the air flow, the driving motor 5 in the speed increasing assembly 4 of the side wall of the ring plate 2 drives the rotating rod 6 to rotate, and then drives the fan 7 to rotate, so as to accelerate the gas flow in the inside of the air pipe shell 1, the dust screen 8 is installed at the side wall of the ring plate 2, dust can be avoided from flowing with the gas, and the service life of the parts in the inside of the air pipe is affected, the threaded rod 14 drives the top plate 15 to be fixed at the top of the clamping plate 12 to clamp and fix the dust screen 8 under the action force of the spring 16, the threaded rod 14 is rotated, the movable block 13 is conveniently moved up and down in the inside of the support 9, the movable block 13 is moved downward to conveniently fix the top plate 15, the movable block 13 is moved upward to conveniently move the threaded rod 14 upward, the clamping plate 12 is conveniently rotated to the inside of the support 9, and the dust screen 8 is conveniently taken down for replacement and cleaning, the ring plate 2 can avoid the speed increasing assembly 4 from flowing back when the air flow flows around in use, so as to affect the accuracy of the air flow value, and reduce the use rate of the air pipe.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stainless steel air duct for facilitating control of gas flow, characterized by: The stainless steel air pipe convenient for controlling gas flow comprises an air pipe shell (1), an annular plate (2) is arranged in the air pipe shell (1), the annular plate (2) is in the shape of a trumpet mouth, a support frame (3) is arranged on the side wall of the narrow mouth of the annular plate (2), and a speed increasing assembly (4) is arranged at the center of the support frame (3). The speed increasing assembly (4) comprises a driving motor (5), the driving motor (5) is arranged between the support frame (3) and the annular plate (2), a rotating rod (6) is arranged at the output end of the driving motor (5), the rotating rod (6) penetrates the center of the side wall of the support frame (3), and a fan (7) is arranged at the outer end of the rotating rod (6).

2. A stainless steel air duct for facilitating control of gas flow as claimed in claim 1, wherein: A dustproof screen (8) is arranged on the side wall of the narrow mouth of the annular plate (2), the dustproof screen (8) is arranged in the support frame (3), a support (9) is arranged on the side wall of the annular plate (2), and a dismounting assembly (10) is arranged in the support (9).

3. A stainless steel air duct for facilitating control of gas flow as claimed in claim 2, wherein: The dismounting assembly (10) comprises a limiting rod (11), the limiting rod (11) is arranged close to the outer surface of the dustproof screen (8), a clamping plate (12) is arranged on the outer surface of the limiting rod (11), and the clamping plate (12) is attached to the outer surface of the dustproof screen (8).

4. A stainless steel air duct for facilitating control of gas flow as claimed in claim 2, wherein: An activity block (13) is arranged in the support (9), a threaded rod (14) penetrates the top of the support (9) and the inside of the activity block (13).

5. A stainless steel air duct for facilitating control of gas flow as claimed in claim 4, wherein: A top plate (15) is arranged at the bottom of the threaded rod (14), a spring (16) is arranged on the outer surface of the top of the threaded rod (14), and the bottom of the spring (16) is arranged on the top of the support (9).

6. A stainless steel air duct for facilitating control of gas flow as defined in claim 1, wherein: Threaded holes (17) are arranged in the annular plate (2) and the support frame (3), and screws (18) are arranged in the threaded holes (17).

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