Waste gas circulating pipe structure

Abstract

The utility model discloses a waste gas circulating pipe structure in the technical field of waste gas circulating pipes, which comprises a waste gas circulating pipe, a connecting seat, a gas inlet pipe and a groove, the connecting seat is welded at the bottom of the outer side wall of the gas inlet pipe, the groove is arranged on the upper side of the inner side wall of the gas inlet pipe, the outer side wall of the waste gas circulating pipe is movably sleeved with a connecting piece, and the connecting piece is connected with the gas inlet pipe. A thread sleeve is fixedly connected to the top end of the connecting piece, a sealing rubber strip is fixedly connected to the periphery of the other end of the waste gas circulating pipe, a first magnetic ring is fixedly connected to the periphery of the other end of the waste gas circulating pipe, and a sealing seat is fixedly connected to the periphery of a notch in the inner side wall of the connecting seat; a second magnetic ring is fixedly connected to the periphery of a notch in the inner side wall of the connecting base, a sealing ring is fixedly connected to the periphery of the lower side of the inner side wall of the connecting base, the waste gas circulating pipe structure is reasonable in structural design, rapid positioning, connecting and mounting, high sealing performance and no need of disassembly and cleaning are achieved on the whole, the self-cleaning function is achieved, and normal flowing of gas is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas circulation pipe technical field, concretely is a kind of waste gas circulation pipe structure. BACKGROUND

[0002] Waste gas circulation pipe is a kind of pipeline system for industrial production or other fields, realizes waste gas recycling and processing, by part of waste gas is reintroduced into system and is recycled, reduces the emission concentration of pollutant in waste gas, makes it reach environmental protection emission standard, reduces the pollution to environment, mainly based on the principle of fluid mechanics, utilize the pressure difference generated by fan or other power equipment, make waste gas flow in pipeline. Waste gas is collected from emission source, is transported to specific processing equipment or recycling link by pipeline, in this process, waste gas can be cooled, heated, filtered, purified etc. according to needs, then reintroduce the waste gas after processing into system and recycle or discharge to standard.

[0003] The existing waste gas circulation pipe is usually connected by welding or flange connection, but the flange connection is not tight enough after long time use, and gas leakage occurs, while the welding connection is tight but difficult to install and maintain, and the impurities in the mixed gas between the inlet pipe and the waste gas circulation pipe will accumulate on the inner wall, affecting the normal flow of gas, therefore, the utility model provides a waste gas circulation pipe structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a waste gas circulation pipe structure, to solve the problem that the existing waste gas circulation pipe is usually connected by welding or flange connection, but the flange connection is not tight enough after long time use, and gas leakage occurs, while the welding connection is tight but difficult to install and maintain, and the impurities in the mixed gas between the inlet pipe and the waste gas circulation pipe will accumulate on the inner wall, affecting the normal flow of gas.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of waste gas circulation pipe structure, including waste gas circulation pipe, connecting seat, inlet pipe and recess, the connecting seat is welded in the outer lateral wall bottom of the inlet pipe, the recess is opened on the inner lateral wall upper side of the inlet pipe, the outer lateral wall of the waste gas circulation pipe movably sleeved with connecting piece, the top of the connecting piece is fixedly connected with the screw sleeve, the other end of the waste gas circulation pipe one week is fixedly connected with sealing rubber strip, the other end of the waste gas circulation pipe one week is fixedly connected with first magnetic ring, the inner lateral wall slot of the connecting seat one week is fixedly connected with sealing seat, the inner lateral wall slot of the connecting seat one week is fixedly connected with second magnetic ring, the inner lateral wall lower side of the connecting seat one week is fixedly connected with sealing ring.

[0006] As a further description of the above technical solutions:

[0007] One end of the exhaust gas circulation pipe is fixedly connected with a first connecting flange, and the outer side wall of the exhaust gas circulation pipe is fixedly connected with a limiting block.

[0008] As a further description of the above technical solutions:

[0009] The contact surfaces of the first magnetic ring and the second magnetic ring are opposite in magnetic pole, and the sealing rubber strip, the sealing ring and the sealing seat are all made of rubber material.

[0010] As a further description of the above technical solutions:

[0011] One end of the air inlet pipe is fixedly connected with a second connecting flange, and the outer side wall of the air inlet pipe is fixedly connected with a micro motor near the other side.

[0012] As a further description of the above technical solutions:

[0013] The inner side wall of the groove is rotatably connected with a screw rod, the left end of the screw rod is sleeved with a sealing bearing, the left end of the screw rod penetrates through the inner wall of the groove, the left end of the screw rod is fixedly connected with a second gear, and the tooth end of the first gear is engaged with the tooth end of the second gear.

[0014] As a further description of the above technical solutions:

[0015] The wire end of the screw rod is screwed with a guide piece, the bottom end of the guide piece is fixedly connected with a scraper, and the scraper is annular.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] 1. The exhaust gas circulation pipe structure, by setting connecting piece and screw sleeve on the exhaust gas circulation pipe, and setting connecting seat on the air inlet pipe for connecting the exhaust gas circulation pipe, the exhaust gas circulation pipe connecting port sets sealing rubber strip and first magnetic ring, so that the first magnetic ring and the second magnetic ring are magnetically adsorbed when the exhaust gas circulation pipe is inserted into the connecting seat, realizing quick positioning, at the same time, the sealing rubber strip is inserted into the sealing seat, the sealing ring seals the exhaust gas circulation pipe connecting port, realizing sealing, the screw sleeve and the connecting seat are screwed and fixed, realizing quick positioning connection installation and high sealing property.

[0018] 2. The exhaust gas circulation pipe structure, by setting up micro motor connection first gear on the intake pipe, the first gear and the second gear between the meshing, realize micro motor drive and the second gear connection screw rod rotation, realize the guide piece and the scraper by inside to outside movement, the impurity gathered on the inner wall is scraped, need not to dismount and clean, have self-cleaning function, ensure the normal flow of gas. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A kind of exhaust gas circulation pipe structure's main view cross-sectional structure schematic diagram is proposed for the utility model;

[0020] Figure 2 A kind of exhaust gas circulation pipe structure's scraper overall structure schematic diagram is proposed for the utility model;

[0021] Figure 3 A kind of exhaust gas circulation pipe structure's Figure 1 Amplification structure schematic diagram in place A;

[0022] Figure 4 A kind of exhaust gas circulation pipe structure's Figure 1 Amplification structure schematic diagram in place B.

[0023] In the drawing: exhaust gas circulation pipe 100;First connection flange 110;Limiting block 120;Connecting piece 130;Screw sleeve 140;Sealing rubber strip 150;First magnetic ring 160;Connecting seat 200;Sealing seat 210;Second magnetic ring 220;Sealing ring 230;Intake pipe 300;Second connection flange 310;Micro motor 320;First gear 330;Groove 400;Screw rod 410;Sealing bearing 420;Second gear 430;Guide piece 440;Scraper 450. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0025] In the description of the utility model, it is necessary to understand that the orientation or positional relation indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model indicated or implied by the device or element to have a particular orientation, to be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the features limited by "first" and "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "a plurality of" is two or more, unless otherwise specified.

[0026] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] The utility model provides a kind of waste gas circulation pipe structure, overall realization quick positioning connection installation, high sealing property, without dismounting cleaning, with self-cleaning function, ensure the normal flow of gas, please refer to Figures 1-4 , including waste gas circulation pipe 100, connecting seat 200, intake pipe 300 and groove 400;

[0028] Please refer to Figure 1 And Figure 3 , the outer side wall of waste gas circulation pipe 100 movably sleeved with connecting piece 130, the top end of connecting piece 130 is fixedly connected with screw sleeve 140, the other end of waste gas circulation pipe 100 is fixedly connected with sealing rubber strip 150 one week, the other end of waste gas circulation pipe 100 is fixedly connected with first magnetic ring 160 one week, waste gas circulation pipe 100 is used to carry out waste gas circulation, connecting piece 130 is used to connect between screw sleeve 140 and waste gas circulation pipe 100, sealing rubber strip 150 is used to insert into sealing seat 210, first magnetic ring 160 is used to be connected between second magnetic ring 220 and adsorbed positioning.

[0029] Please refer to Figure 1 And Figure 3The inner side wall slot of the connecting seat 200 is fixedly connected with a sealing seat 210, the inner side wall slot of the connecting seat 200 is fixedly connected with a second magnetic ring 220, the inner side wall lower side of the connecting seat 200 is fixedly connected with a sealing ring 230, and the connecting seat 200 is welded on the outer side wall bottom of the air inlet pipe 300. The connecting seat 200 is used for connecting the air inlet pipe 300 and the exhaust gas circulation pipe 100, and the sealing ring 230 is used for further sealing the connecting end of the exhaust gas circulation pipe 100.

[0030] Please refer again to Figure 1 and Figure 4 The air inlet pipe 300 is used for drawing fresh gas and mixing with exhaust gas.

[0031] Please refer again to Figure 1 and Figure 4 The groove 400 is opened on the inner side wall upper side of the air inlet pipe 300, and the groove 400 is used for accommodating the screw rod 410.

[0032] In summary: by setting the connecting piece 130 and the screw sleeve 140 on the exhaust gas circulation pipe 100, and setting the connecting seat 200 on the air inlet pipe 300 for connecting the exhaust gas circulation pipe 100, the exhaust gas circulation pipe 100 connecting port is provided with the sealing rubber strip 150 and the first magnetic ring 160, so that when the exhaust gas circulation pipe 100 is inserted into the connecting seat 200, the first magnetic ring 160 and the second magnetic ring 220 are magnetically adsorbed, the quick positioning is realized, the sealing rubber strip 150 is inserted into the sealing seat 210, the sealing ring 230 seals the connecting port of the exhaust gas circulation pipe 100, the sealing is realized, the screw sleeve 140 and the connecting seat 200 are screwed and fixed, and the overall quick positioning connection installation and high sealing performance are realized.

[0033] Please refer again to Figure 1 One end of the exhaust gas circulation pipe 100 is fixedly connected with a first connecting flange 110, the outer side wall of the exhaust gas circulation pipe 100 is fixedly connected with a limiting block 120, and the screw sleeve 140 is sleeved on the outer side wall of the exhaust gas circulation pipe 100.

[0034] Please refer again to Figures 1-2 The contact surfaces of the first magnetic ring 160 and the second magnetic ring 220 are opposite in magnetic pole, and the sealing rubber strip 150, the sealing ring 230 and the sealing seat 210 are all made of rubber material.

[0035] Please refer again to Figure 4 One end of the air inlet pipe 300 is fixedly connected with a second connecting flange 310, the outer side wall of the air inlet pipe 300 is fixedly connected with a micro motor 320 near the other side, and the output end of the micro motor 320 is fixedly connected with a first gear 330.

[0036] Please refer again to Figure 1 and Figure 4The inner side wall of the groove 400 is rotationally connected with a screw rod 410, the left end of the screw rod 410 is sleeved with a sealing bearing 420, the left end of the screw rod 410 penetrates the inner wall of the groove 400, the left end of the screw rod 410 is fixedly connected with a second gear 430, and the tooth end of the first gear 330 and the tooth end of the second gear 430 are engaged.

[0037] Please refer again to Figure 1 、 Figure 2 and Figure 4 The wire end of the screw rod 410 is screwed with a guide piece 440, the bottom end of the guide piece 440 is fixedly connected with a scraper 450, and the scraper 450 is annular.

[0038] In summary: by setting the micro motor 320 on the air inlet pipe 300 to connect the first gear 330, the first gear 330 and the second gear 430 are engaged, the micro motor 320 drives the screw rod 410 connected with the second gear 430 to rotate, the guide piece 440 and the scraper 450 move from inside to outside, and the accumulated impurities on the inner wall are scraped off without disassembly and cleaning, which has a self-cleaning function and ensures the normal flow of gas.

[0039] In specific use, the sealing rubber strip 150 on the waste gas circulation pipe 100 is inserted into the sealing seat 210, the sealing ring 230 seals the waste gas circulation pipe 100 connection port, the first magnetic ring 160 and the second magnetic ring 220 are magnetically adsorbed, the threaded sleeve 140 is screwed and fixed between the connection seat 200, the first connection flange 110 and the second connection flange 310 are connected with the gas outlet and the gas inlet of the combustion chamber respectively, the waste gas discharged from the combustion chamber enters the air inlet pipe 300 from the waste gas circulation pipe 100 and mixes with fresh air, and is introduced into the combustion chamber again for combustion, when a large amount of impurities accumulate on the inner wall, the micro motor 320 is started to rotate clockwise, so that the guide piece 440 and the scraper 450 move from inside to outside, and the impurities are scraped off and pushed out.

[0040] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "exemplary embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the exemplary description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0041] Although the embodiments of the utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. An exhaust gas recirculation pipe structure, characterized by: Including exhaust gas circulation pipe (100), connecting seat (200), air inlet pipe (300) and recess (400), the connecting seat (200) is welded in the bottom of the outer lateral wall of the air inlet pipe (300), the recess (400) is opened on the inner lateral wall of the air inlet pipe (300) upside, the outer lateral wall of the exhaust gas circulation pipe (100) is movably sleeved with connecting piece (130), the top end of the connecting piece (130) is fixedly connected with the sleeve nut (140), the other end of the exhaust gas circulation pipe (100) is fixedly connected with sealing rubber strip (150) one week, the other end of the exhaust gas circulation pipe (100) is fixedly connected with the first magnetic ring (160) one week, the inner lateral wall of the connecting seat (200) is fixedly connected with sealing seat (210) one week, the inner lateral wall of the connecting seat (200) is fixedly connected with the second magnetic ring (220) one week, the inner lateral wall of the connecting seat (200) is fixedly connected with sealing ring (230) one week.

2. A waste gate structure according to claim 1, wherein: One end of the exhaust gas circulation pipe (100) is fixedly connected with the first connecting flange (110), the outer lateral wall of the exhaust gas circulation pipe (100) is fixedly connected with the limiting block (120), the sleeve nut (140) is sleeved on the outer lateral wall of the exhaust gas circulation pipe (100).

3. A waste gate structure according to claim 1, wherein: The contact surface magnetic pole of the first magnetic ring (160) and the second magnetic ring (220) is opposite, the sealing rubber strip (150), the sealing ring (230) and the sealing seat (210) are all made of rubber material.

4. The exhaust gas recirculation tube structure of claim 1, wherein: One end of the air inlet pipe (300) is fixedly connected with the second connecting flange (310), the outer lateral wall of the air inlet pipe (300) is fixedly connected with the micro motor (320) near the other side, the output end of the micro motor (320) is fixedly connected with the first gear (330).

5. A waste gate structure according to claim 4, wherein: The inner lateral wall of the recess (400) is rotatably connected with the screw rod (410), the left end of the screw rod (410) is sleeved with the sealing bearing (420), the left end of the screw rod (410) penetrates the inner wall of the recess (400), the left end of the screw rod (410) is fixedly connected with the second gear (430), and the tooth end of the first gear (330) and the tooth end of the second gear (430) are engaged.

6. A waste gate structure according to claim 5, wherein: The wire end of the screw rod (410) is screwed with the guide piece (440), the bottom end of the guide piece (440) is fixedly connected with the scraper (450), and the scraper (450) is annular.

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