Once-formed gas-guide tube with anti-corrosion lining plate

Abstract

The utility model discloses a one-step molded gas-guide tube with an anti-corrosion lining plate, which comprises a gas-guide tube main body and a fixing part used for connecting the gas-guide tube main body, the fixing part comprises two connecting half cylinders, an inserting plate fixedly connected with one side of the air guide pipe body, a first sealing ring fixedly connected with one side of the inserting plate, an inserting groove formed in the other side of the air guide pipe body, a plurality of extrusion grooves formed in one side in the inserting groove and arranged in a circumferential mode, and a push rod connected with the extrusion grooves. Through the arrangement of the connecting cylinder, the gas guide pipe main body and the fixing part, the problems that when a plurality of existing gas guide pipes are connected and fixed, flanges are usually used for connecting and fixing, but the sealing performance between the gas guide pipes is relatively poor, and the gas guide pipes cannot be connected and fixed easily are solved. The problems that when gas is transported through the gas guide pipe, leakage is prone to occurring, danger is prone to being caused by gas leakage, and therefore practicability is poor are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air guide pipes, in particular to a one-time formed air guide pipe with an anti-corrosion inner lining plate. Background Art

[0002] An air duct is a pipe that guides gas from one place to another. The types of air ducts include metal air ducts, non-metallic air ducts, high-pressure air ducts, low-pressure air ducts, high-temperature air ducts, low-temperature air ducts, harmful air ducts and harmless air ducts, etc. Air ducts are widely used in various fields due to their gas transport characteristics. Air ducts are formed at one time during processing. When in use, the length of the air duct is usually fixed, and multiple air ducts need to be connected for use.

[0003] At present, flanges are usually used to connect and fix multiple air ducts, but the sealing between the air ducts is relatively poor. When the gas is transported through the air ducts, leakage is likely to occur, and gas leakage is likely to cause danger, resulting in poor practicality. Utility Model Content

[0004] The purpose of the utility model is to provide a one-time molded air duct with an anti-corrosion inner lining plate, so as to solve the problem proposed in the above background technology that the existing multiple air ducts are usually connected and fixed by flanges, but the sealing between the air ducts is relatively poor, and the gas is prone to leakage when being transported through the air duct, and gas leakage is likely to cause danger, thereby resulting in poor practicality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a one-time formed air duct with an anti-corrosion lining plate, comprising an air duct main body and a fixing component for connecting the air duct main body, the fixing component comprising two connecting half-cylinders, a plug plate fixedly connected to one side of the air duct main body, a first sealing ring fixedly connected to one side of the plug plate, a slot opened on the other side of the air duct main body, a plurality of extrusion grooves arranged in a circle on one side of the slot, a push rod connected to the extrusion groove, a spring fixedly connected to one end of the push rod, a push plate fixedly connected to the other end of the push rod, and a second sealing ring fixedly connected to one side of the push plate, the push rod is slidably connected to the extrusion groove, and the plug plate is plugged into the slot.

[0006] Preferably, an inner lining plate body is fixedly connected to the inner wall of the air guide duct body, and the inner lining plate body includes a corrosion-resistant layer, a connecting layer arranged outside the corrosion-resistant layer, and a supporting layer arranged outside the connecting layer.

[0007] Preferably, a limiting ring is fixedly connected to the outer side of the air guide tube body, limiting grooves are respectively provided on both sides of the two connecting half cylinders, and the limiting rings are plugged into the limiting grooves.

[0008] Preferably, elastic frames are fixedly connected to both sides of the push plate, the elastic frames are fixedly connected to the inner wall of the slot, and both sides of the elastic frames are arc-shaped.

[0009] Preferably, a plurality of support frames arranged in a circumference are provided between the corrosion-resistant layer and the connecting layer, and the support frames are in a diamond shape.

[0010] Preferably, third sealing rings are fixedly connected to both sides of the plug plate.

[0011] Preferably, connection holes are respectively opened on both sides of the top of the two connecting half-cylinders, and bolts are arranged in the connection holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. By providing a connecting tube, an air guide tube body and a fixing component, the plug plate on one side of the air guide tube body can be inserted into the slot on the other side of the air guide tube body, the first sealing ring can contact with the second sealing ring and squeeze the second sealing ring to deform it, the movement of the second sealing ring can drive the top plate to move, and then the push rod can squeeze the spring to deform, and the elasticity of the spring can be used to make the second sealing gasket and the first sealing gasket closely contact, so that the gap can be sealed to prevent gas leakage during transportation, ensure the sealing performance, and thus greatly improve the practicality of the device;

[0014] 2. By providing an inner lining plate body, the support layer can be fixed to the inner wall of the air duct body, the corrosion-resistant layer can play a corrosion-resistant role, and can improve the corrosion resistance of the air duct body. The connecting layer can improve the pressure resistance of the air duct body, thereby protecting the air duct body and improving the service life of the air duct body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0016] Figure 2 A left side view provided for the utility model;

[0017] Figure 3 The utility model provides Figure 2 The three-dimensional cross-section view at AA in the middle;

[0018] Figure 4 The utility model provides Figure 3 The enlarged view of point B in the middle;

[0019] Figure 5 A schematic diagram of the three-dimensional structure of the connecting half-tube and the connecting hole provided by the utility model;

[0020] Figure 6 This is a cross-sectional view of the inner lining plate body provided by the utility model.

[0021] In the figure: 1. air guide tube body; 3. lining plate body; 21. connecting half tube; 22. plug plate; 23. first sealing ring; 24. slot; 25. extrusion groove; 26. push rod; 27. spring; 28. push plate; 29. ​​second sealing ring; 31. corrosion-resistant layer; 32. connecting layer; 33. supporting layer; 41. limiting ring; 42. limiting groove; 51. connecting hole; 52. bolt; 221. third sealing ring; 281. elastic frame; 311. supporting frame. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 5The utility model provides a technical solution: a one-time formed air duct with an anti-corrosion inner lining plate, comprising an air duct body 1 and a fixing component for connecting the air duct body 1, the fixing component comprising two connecting half cylinders 21, a plug plate 22 fixedly connected to one side of the air duct body 1, a first sealing ring 23 fixedly connected to one side of the plug plate 22, a slot 24 opened on the other side of the air duct body 1, a plurality of extrusion grooves 25 arranged in a circumference on one side of the slot 24, a push rod 26 connected to the extrusion groove 25, a spring 27 fixedly connected to one end of the push rod 26, and a push plate 2 fixedly connected to the other end of the push rod 26. 8 and a second sealing ring 29 fixedly connected to one side of the push plate 28, the push rod 26 is slidably connected to the extrusion groove 25, the plug plate 22 is plugged into the slot 24, and when the air guide tube body 1 is connected, the plug plate 22 can be inserted into the slot 24, the first sealing ring 23 can contact the second sealing ring 29, the second sealing ring 29 is squeezed to drive the push plate 28 to move, and the movement of the push plate 28 can drive the push rod 26 to squeeze the spring 27 to deform, and the thrust generated by the deformation of the spring 27 can make the second sealing ring 29 closely contact with the first sealing ring 23, so that the gap can be sealed to prevent gas leakage during transportation, and the air guide tube body 1 is fixedly connected to the outer side of the limit ring 41, and the two connecting half cylinders 21 are respectively provided with limit grooves 42 on both sides. The limit ring 41 is plugged into the limit groove 42, and the limit ring 41 can be inserted into the limit groove 42, so that the airway tube body 1 and the connecting half cylinder 21 can be connected to prevent the airway tube body 1 from shifting in the connecting half cylinder 21, and the connection stability of the airway tube body 1 can be ensured. The two sides of the push plate 28 are respectively fixedly connected with elastic frames 281, and the elastic frames 281 are fixedly connected to the inner wall of the slot 24. The two sides of the elastic frame 281 are arc-shaped. The elastic frame 281 can improve the support performance of the push plate 28, so The second sealing ring 29 and the first sealing ring 23 can be in closer contact with each other, and the sealing performance can be further improved. The third sealing ring 221 is fixedly connected to both sides of the plug plate 22, and the third sealing ring 221 can seal the gap on both sides of the plug plate 22, thereby further improving the sealing performance, and further preventing gas leakage during transportation. The two connecting half cylinders 21 are respectively provided with connecting holes 51 on both sides of the top, and bolts 52 are arranged in the connecting holes 51. The two connecting half cylinders 21 can be fixed together by the bolts 52, and multiple air guide tube bodies 1 can be connected and fixed.

[0024] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 as well as Figure 6The inner wall of the air guide tube body 1 is fixedly connected with an inner lining plate body 3, and the inner lining plate body 3 includes a corrosion-resistant layer 31, a connecting layer 32 arranged on the outside of the corrosion-resistant layer 31, and a supporting layer 33 arranged on the outside of the connecting layer 32. The material of the corrosion-resistant layer 31 can be polyamide resin coating, the material of the connecting layer 32 can be a steel wire mesh layer, and the material of the supporting layer 33 can be steel. The corrosion-resistant layer 31 can play a corrosion-resistant role, and the corrosion resistance of the air guide tube body 1 can be improved. The connecting layer 32 and the supporting layer 33 can improve the pressure resistance of the air guide tube body 1, and thus the service life of the air guide tube body 1 can be improved. A plurality of support frames 311 arranged in a circle are provided between the corrosion-resistant layer 31 and the connecting layer 32. The support frames 311 are rhombus-shaped, and the support frames 311 can play a buffering role, and the pressure resistance of the air guide tube body 1 can be improved, and thus the service life of the air guide tube body 1 can be further improved.

[0025] Working principle: When working, the limiting rings 41 on the outer sides of the two air guide tubes are inserted into the limiting grooves 42 in one of the connecting half cylinders 21. At this time, the plug plate 22 is also inserted into the slot 24 synchronously. The first sealing ring 23 on one side of the plug plate 22 can contact the second sealing ring 29 in the slot 24. The second sealing ring 29 is squeezed and deformed and moves. The movement of the second sealing ring 29 can drive the push plate 28 to move. The movement of the push plate 28 can drive the push rod 26 to move. At the same time, the elastic frame 281 can be squeezed and deformed. The movement of the push rod 26 can squeeze the spring 27. The spring 27 is squeezed and deformed. The spring 27 and the elastic The reaction force generated by the deformation of the frame 281 can push the push plate 28 and the second sealing ring 29 to move, so that the first sealing ring 23 and the second sealing ring 29 can be in close contact, and then the two air guide tube bodies 1 can be sealed to prevent gas leakage during transportation, and then the other connecting half cylinder 21 is covered on the top of the two air guide tube bodies 1, and the limiting ring 41 is synchronously inserted into the limiting groove 42, and then the bolt 52 is inserted into the connecting hole 51, and then the bolt 52 is tightened to connect and fix the two air guide tubes. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A one-step molded air duct with an anti-corrosion lining plate, comprising an air duct body (1) and a fixing component for connecting the air duct body (1), characterized in that: The fixing component comprises two connecting half cylinders (21), a plug plate (22) fixedly connected to one side of the airway tube body (1), a first sealing ring (23) fixedly connected to one side of the plug plate (22), a slot (24) provided on the other side of the airway tube body (1), a plurality of extrusion grooves (25) arranged in a circumferential manner provided on one side of the slot (24), a push rod (26) connected to the extrusion groove (25), a spring (27) fixedly connected to one end of the push rod (26), a push plate (28) fixedly connected to the other end of the push rod (26), and a second sealing ring (29) fixedly connected to one side of the push plate (28); the push rod (26) is slidably connected to the extrusion groove (25), and the plug plate (22) is plugged into the slot (24).

2. The one-step formed air duct with an anti-corrosion lining plate according to claim 1, characterized in that: An inner lining plate body (3) is fixedly connected to the inner wall of the air guide tube body (1), and the inner lining plate body (3) comprises a corrosion-resistant layer (31), a connecting layer (32) arranged outside the corrosion-resistant layer (31), and a supporting layer (33) arranged outside the connecting layer (32).

3. The one-step formed air duct with an anti-corrosion lining plate according to claim 1, characterized in that: A limiting ring (41) is fixedly connected to the outside of the air guide tube body (1), and limiting grooves (42) are respectively provided on both sides of the two connecting half cylinders (21), and the limiting ring (41) is plugged into the limiting grooves (42).

4. The one-step formed air duct with an anti-corrosion lining plate according to claim 1, characterized in that: Elastic frames (281) are fixedly connected to both sides of the push plate (28), respectively. The elastic frames (281) are fixedly connected to the inner wall of the slot (24), and both sides of the elastic frames (281) are arc-shaped.

5. The one-step formed air duct with an anti-corrosion lining plate according to claim 2, characterized in that: A plurality of support frames (311) arranged in a circumferential pattern are provided between the corrosion-resistant layer (31) and the connection layer (32), and the support frames (311) are in a rhombus shape.

6. The one-step formed air duct with an anti-corrosion lining plate according to claim 1, characterized in that: Third sealing rings (221) are fixedly connected to both sides of the plug plate (22).

7. The one-step formed air duct with an anti-corrosion lining plate according to claim 1, characterized in that: Connecting holes (51) are respectively provided on both sides of the top of the two connecting half cylinders (21), and bolts (52) are provided in the connecting holes (51).

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