CN115306569A - Gas reversing device and internal combustion engine - Google Patents

Gas reversing device and internal combustion engine Download PDF

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Publication number
CN115306569A
CN115306569A CN202210896885.2A CN202210896885A CN115306569A CN 115306569 A CN115306569 A CN 115306569A CN 202210896885 A CN202210896885 A CN 202210896885A CN 115306569 A CN115306569 A CN 115306569A
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CN
China
Prior art keywords
exhaust
valve plate
exhaust passage
reversing device
connecting rod
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Pending
Application number
CN202210896885.2A
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Chinese (zh)
Inventor
何成林
徐伟
侯成
王全海
刘仁武
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Sany Heavy Equipment Co Ltd
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Sany Heavy Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Heavy Equipment Co Ltd filed Critical Sany Heavy Equipment Co Ltd
Priority to CN202210896885.2A priority Critical patent/CN115306569A/en
Publication of CN115306569A publication Critical patent/CN115306569A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/04Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D9/00Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/08Throttle valves specially adapted therefor; Arrangements of such valves in conduits
    • F02D9/10Throttle valves specially adapted therefor; Arrangements of such valves in conduits having pivotally-mounted flaps
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/12Improving ICE efficiencies

Abstract

The invention provides a gas reversing device and an internal combustion engine, wherein the gas reversing device is applied to the internal combustion engine, the internal combustion engine comprises a tail gas discharge device, and the gas reversing device comprises: the exhaust gas purifier comprises a body, a first exhaust passage and a second exhaust passage, wherein one end of the air inlet passage is communicated with a tail gas discharge device, and the other end of the air inlet passage is communicated with the first exhaust passage and the second exhaust passage respectively; the valve plate, rotatable setting is in this body, and when the valve plate rotated, can close first exhaust passage and make inlet channel and second exhaust passage intercommunication, or close second exhaust passage and make inlet channel and first exhaust passage intercommunication. This application makes inlet channel and second exhaust passage intercommunication through the rotation of valve plate, or makes inlet channel and first exhaust passage intercommunication, like this great simplification the quantity of this internal spare part, need not complicated auto-change over device, reduced the use quantity of switching-over device, reduced whole gaseous switching-over device occupation space.

Description

Gas reversing device and internal combustion engine
Technical Field
The application belongs to the technical field of internal combustion engines, and particularly relates to a gas reversing device and an internal combustion engine.
Background
In the related art, a gas reversing device of an internal combustion engine has a complicated structure, a large number of parts, a high failure rate, and high maintenance cost, and also has a large occupied space due to the complicated structure, and cannot meet relevant regulations of related departments.
Therefore, in order to solve the problem of large occupied space of the gas reversing device, it is a technical problem to be urgently solved to develop a gas reversing device with a simple structure and small occupied space.
Disclosure of Invention
The present invention is directed to solving or improving at least one of the above technical problems.
A first aspect of the present invention is to provide a gas reversing device.
A second aspect of the present invention is to provide an internal combustion engine.
The technical scheme of the first aspect of the invention provides a gas reversing device, which is applied to an internal combustion engine, wherein the internal combustion engine comprises a tail gas emission device, and the gas reversing device comprises: the exhaust gas purifier comprises a body, a first exhaust passage and a second exhaust passage, wherein one end of the air inlet passage is communicated with a tail gas discharge device, and the other end of the air inlet passage is communicated with the first exhaust passage and the second exhaust passage respectively; the valve plate, rotatable setting is in this body, and when the valve plate rotated, can close first exhaust passage and make inlet channel and second exhaust passage intercommunication, or close second exhaust passage and make inlet channel and first exhaust passage intercommunication.
The invention provides a gas reversing device, which is applied to an internal combustion engine, wherein the internal combustion engine comprises a tail gas discharging device, the gas reversing device comprises a body, the body comprises a gas inlet channel, a first gas discharging channel and a second gas discharging channel, one end of the gas inlet channel is communicated with the tail gas discharging device and is used for collecting tail gas discharged by the tail gas discharging device, and the other end of the gas inlet channel is respectively communicated with the first gas discharging channel and the second gas discharging channel; the gas reversing device further comprises a valve plate, the valve plate is rotatably arranged in the body, and when the valve plate rotates, the first exhaust channel can be closed to enable the gas inlet channel to be communicated with the second exhaust channel, or the second exhaust channel is closed to enable the gas inlet channel to be communicated with the first exhaust channel. This application makes inlet channel and second exhaust passage intercommunication through the rotation of valve plate, or makes inlet channel and first exhaust passage intercommunication, like this great simplification the quantity of this internal spare part, need not complicated auto-change over device, reduced the use quantity of switching-over device, reduced whole gaseous switching-over device occupation space. Further, the valve plate is disposed at a focal point of the axes of the intake passage, the first exhaust passage, and the second exhaust passage.
In the above technical solution, the gas reversing device further includes: elastic sealing material sets up on the inner wall of the body that first exhaust passage and second exhaust passage correspond, can extrude elastic sealing material when the valve plate rotates, and elastic sealing material can take place deformation when the pressurized to realize sealed between messenger's valve plate and the body.
In this technical scheme, the gas reversing arrangement still includes elastic sealing material, sets up on the inner wall of the body that first exhaust passage and second exhaust passage correspond, can extrude elastic sealing material when the valve plate rotates, and elastic sealing material can take place deformation when the pressurized to realize sealed between messenger's valve plate and the body. According to the invention, the elastic sealing material is arranged on the inner wall of the body, so that the elastic sealing material can constantly ensure the sealing between the valve plate and the interior of the body, and exhaust gas can be discharged from an exhaust channel.
In the technical scheme, the position of the elastic sealing material, which corresponds to the valve plate, is provided with the avoiding groove, and when the valve plate rotates, the avoiding groove is used for avoiding the valve plate; the avoiding groove is an arc-shaped groove, and the valve plate can be closely matched with the arc-shaped groove when rotating.
In this technical scheme, the position that elastic sealing material corresponds the valve plate is provided with dodges the groove, and when the valve plate rotated, dodged the groove and be used for dodging the valve plate, just so can reduce the deformation volume of elastic sealing material when receiving the extrusion, improve elastic sealing material's life, can also avoid the valve plate card dead. In addition, the groove of dodging is the arc wall, can closely cooperate with the arc wall when the valve plate rotates, just so can guarantee the sealed between valve plate and the body, also just so at the valve plate rotation in-process, elastic sealing material is in slight state that compresses tightly all the time, can guarantee the sealing performance between valve plate and the body like this.
In the above technical solution, the gas reversing device further includes: two stoppers set up in elastic sealing material's inboard for carry on spacingly to the rotation angle of valve plate, when one of them stopper carries on spacingly to the valve plate, the first exhaust passage can be closed to the valve plate and the messenger inlet channel communicates with second exhaust passage, and when another stopper carries on spacingly to the valve plate, the valve plate can be closed the second exhaust passage and the messenger inlet channel communicates with first exhaust passage.
In this technical scheme, gaseous switching-over device still includes two stoppers, sets up in elastic sealing material's inboard, further sets up the both sides at the valve plate for carry on spacingly to the rotation angle of valve plate, when one of them stopper carries on spacingly to the valve plate, the valve plate can close first exhaust passage and make inlet channel and second exhaust passage intercommunication, when another stopper carries on spacingly to the valve plate, the valve plate can close second exhaust passage and make inlet channel and first exhaust passage intercommunication. The two sides of the valve plate are respectively provided with a limiting block, so that the valve plate can be limited in rotation, and the valve plate can be guaranteed to rotate to an accurate position. The problem that the valve plate cannot be sealed with the body due to the fact that the rotating angle of the valve plate is not in place or the rotating angle is too large is solved.
In the above technical scheme, the cross section of first exhaust passage and second exhaust passage is the ellipse, and the cross section of valve plate is the ellipse with first exhaust passage and second exhaust passage looks adaptation.
In this technical scheme, the cross-section of first exhaust passage and second exhaust passage is the ellipse, and the cross-section of valve plate is the ellipse with first exhaust passage and second exhaust passage looks adaptation, can improve sealing performance like this. Of course, the cross sections of the first exhaust passage and the second exhaust passage can be set to be square, round and the like according to requirements, and the shape of the valve plate is the same as that of the cross sections of the first exhaust passage and the second exhaust passage, so that sealing is realized.
In the above technical solution, the gas reversing device further includes: the connecting rod penetrates through the body, two ends of the connecting rod are arranged outside the body, the middle of the connecting rod is arranged inside the body, the connecting rod can rotate relative to the body, and the connecting rod is connected with the valve plate and can drive the valve plate to rotate; and the driving device is connected with the connecting rod and used for driving the connecting rod to rotate.
In the technical scheme, the gas reversing device further comprises a connecting rod and a driving device, the connecting rod penetrates through the body, two ends of the connecting rod are arranged outside the body, the middle of the connecting rod is arranged inside the body, the valve plate is connected with the middle of the connecting rod, the connecting rod can rotate relative to the body, and then the valve plate is driven to rotate so as to select the first exhaust channel or the second exhaust channel to exhaust gas; the driving device is connected with the connecting rod and used for driving the connecting rod to rotate, so that the valve plate does not need to be rotated manually, and the switching efficiency is improved.
In the above technical solution, the gas reversing device further includes: the limiting seat is arranged on the outer side of the body, corresponds to the first end of the connecting rod and is used for limiting the first end of the connecting rod; the sleeve sets up in the outside of body, and corresponds the second end setting of connecting rod, and the second end of connecting rod can pass the sleeve to locked by the retaining member.
In the technical scheme, the gas reversing device further comprises a limiting seat and a sleeve, wherein the limiting seat is arranged on the outer side of the body, corresponds to the first end of the connecting rod and is used for limiting the first end of the connecting rod; the sleeve sets up in the outside of body, and corresponds the second end setting of connecting rod, and the sleeve can be passed to the second end of connecting rod to locked by the retaining member. According to the invention, the sleeve and the limiting seat are respectively arranged at the two ends of the connecting rod, so that the stability of the connecting rod can be improved, and the situation that the sealing performance is reduced due to the position movement of the connecting rod in the rotating process is avoided.
In above-mentioned technical scheme, inlet channel includes the air inlet, and first exhaust passage includes first gas vent, and second exhaust passage includes the second gas vent, and gaseous switching-over device still includes: the air inlet flange is arranged at the air inlet, and the air inlet channel is communicated with the tail gas discharge device through the air inlet flange; the first exhaust flange is arranged at the first exhaust port; and the second exhaust flange is arranged at the second exhaust port.
In this technical scheme, inlet channel includes the air inlet, and first exhaust passage includes first gas vent, and second exhaust passage includes the second gas vent, and gaseous switching-over device still includes: the exhaust system comprises an air inlet flange, a first exhaust flange and a second exhaust flange, wherein the air inlet flange is arranged at an air inlet, and an air inlet channel is communicated with a tail gas emission device through the air inlet flange; the air intake and exhaust flange has no shape requirement, and can be a square flange connected by bolts or a circular flange connected by a clamping hoop. The first exhaust flange is arranged at the first exhaust port; the second exhaust flange is arranged at the second exhaust port. Through set up the flange on air inlet and two gas vents respectively, can improve the joint strength of body like this.
In the above technical scheme, the body includes first body and second body, and the inside intake passage that forms of first body, the inside first exhaust passage and the second exhaust passage that form of second body, first body and second body weld forming.
In this technical scheme, the body includes first body and second body, and the inside inlet channel that forms of first body, the inside first exhaust passage and the second exhaust passage of forming of second body, can understand, and the body is a tee bend pipeline, and of course the body can also be the box structure as required. Further, the first body and the second body are welded, so that the strength of the body can be guaranteed.
In a second aspect of the invention, there is provided an internal combustion engine comprising a gas reversing device according to any one of the first aspect of the invention. Since the internal combustion engine provided by the second aspect of the present invention includes the gas reversing device described in any one of the first aspect of the present invention, the internal combustion engine provided by the second aspect of the present invention includes all the beneficial effects of the gas reversing device described in any one of the first aspect of the present invention, which are not described herein again.
Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of embodiments according to the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 shows a schematic structural diagram of a gas reversing device provided by an embodiment of the invention;
FIG. 2 is a schematic diagram of another gas reversing device provided in the embodiment of the invention;
FIG. 3 is a schematic view of the construction of a valve plate portion of a gas reversing device provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram illustrating one state of a gas reversing device provided by an embodiment of the present invention;
fig. 5 is a schematic structural diagram illustrating another state of the gas reversing device provided by the embodiment of the invention.
The correspondence between the part names and the reference numbers in fig. 1 to 5 is as follows:
1 gas reversing device, 11 body, 112 air inlet channel, 114 exhaust channel, 1142 first exhaust channel, 1144 second exhaust channel, 12 valve plate, 13 elastic sealing material, 132 dodge groove, 14 stopper, 15 connecting rod, 16 air inlet flange, 17 first exhaust flange, 18 second exhaust flange.
Detailed Description
In order that the above aspects, features and advantages of the embodiments according to the present invention can be more clearly understood, embodiments according to the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the invention, however, embodiments according to the invention may be practiced otherwise than as described herein, and thus the scope of embodiments according to the invention is not limited by the specific embodiments disclosed below.
Example one
As shown in fig. 1 and fig. 2, an embodiment of the first aspect of the present invention provides a gas reversing device 1 applied to an internal combustion engine including an exhaust gas discharge device, the gas reversing device 1 including: the exhaust gas purification device comprises a body 11, wherein the body 11 comprises an air inlet channel 112, a first exhaust channel 1142 and a second exhaust channel 1144, one end of the air inlet channel 112 is communicated with an exhaust gas emission device and is used for collecting the exhaust gas emitted by the exhaust gas emission device, and the other end of the air inlet channel 112 is respectively communicated with the first exhaust channel 1142 and the second exhaust channel 1144; the gas reversing device 1 further comprises a valve plate 12, the valve plate 12 is rotatably arranged in the body 11, and when the valve plate 12 rotates, the valve plate can close the first exhaust channel 1142 to enable the air inlet channel 112 to be communicated with the second exhaust channel 1144, or close the second exhaust channel 1144 to enable the air inlet channel 112 to be communicated with the first exhaust channel 1142.
The gas reversing device 1 provided by the embodiment is applied to an internal combustion engine, the internal combustion engine comprises a tail gas discharging device, the gas reversing device 1 comprises a body 11, the body 11 comprises a gas inlet channel 112, a first gas discharging channel 1142 and a second gas discharging channel 1144, one end of the gas inlet channel 112 is communicated with the tail gas discharging device and is used for collecting tail gas discharged by the tail gas discharging device, and the other end of the gas inlet channel 112 is respectively communicated with the first gas discharging channel 1142 and the second gas discharging channel 1144; the gas reversing device 1 further comprises a valve plate 12, the valve plate 12 is rotatably arranged in the body 11, and when the valve plate 12 rotates, the valve plate can close the first exhaust channel 1142 to enable the air inlet channel 112 to be communicated with the second exhaust channel 1144, or close the second exhaust channel 1144 to enable the air inlet channel 112 to be communicated with the first exhaust channel 1142. This application makes inlet channel 112 and second exhaust passage 1144 intercommunication through the rotation of valve plate 12, or makes inlet channel 112 and first exhaust passage 1142 intercommunication, just so great simplification the quantity of spare part in the body 11, need not complicated auto-change over device, reduced the use quantity of switching-over device, reduced whole gas reversing arrangement 1 occupation space. Further, valve plate 12 is disposed at the focal point of the axes of intake passage 112, first exhaust passage 1142, and second exhaust passage 1144.
During a reverse operation, as shown in FIG. 2, with valve plate 12 in the position shown, engine exhaust is discharged from first exhaust passage 1142; valve plate 12 rotates 90 ° counterclockwise, and the exhaust gas from the internal combustion engine is discharged from second exhaust channel 1144, thereby realizing the change of the gas flow direction.
In the above embodiment, as shown in fig. 4 and 5, the gas reversing device 1 further includes an elastic sealing material 13 disposed on the inner wall of the body 11 corresponding to the first exhaust channel 1142 and the second exhaust channel 1144, the valve plate 12 can press the elastic sealing material 13 when rotating, and the elastic sealing material can deform when being pressed to seal between the valve plate 12 and the body 11. The elastic sealing material 13 is arranged on the inner wall of the body 11, so that the elastic sealing material 13 can ensure the sealing between the valve plate and the inside of the body 11 at any time, and exhaust gas can be discharged from an exhaust channel 114.
In the above embodiment, as shown in fig. 4 and 5, the avoiding groove 132 is provided at the position of the elastic sealing material 13 corresponding to the valve plate 12, and when the valve plate 12 rotates, the avoiding groove 132 is used for avoiding the valve plate 12, so that the deformation amount of the elastic sealing material 13 when being squeezed can be reduced, the service life of the elastic sealing material 13 can be prolonged, and the valve plate 12 can be prevented from being stuck. In addition, dodge groove 132 and be the arc wall, valve plate 12 can closely cooperate with the arc wall when rotating, just so can guarantee the sealed between valve plate 12 and the body 11, also promptly at valve plate 12 rotation in-process, elastic sealing material 13 is in slight state of compressing tightly all the time, can guarantee the sealing performance between valve plate 12 and the body 11 like this.
In the above embodiment, as shown in fig. 4 and 5, the gas reversing device 1 further includes two limiting blocks 14 disposed on the inner side of the elastic sealing material 13 and further disposed on two sides of the valve plate for limiting the rotation angle of the valve plate 12, when one of the limiting blocks 14 limits the valve plate 12, the valve plate 12 can close the first exhaust channel 1142 to communicate the intake channel 112 with the second exhaust channel 1144, and when the other limiting block 14 limits the valve plate 12, the valve plate 12 can close the second exhaust channel 1144 to communicate the intake channel 112 with the first exhaust channel 1142. By arranging the limiting blocks 14 on two sides of the valve plate 12 respectively, the rotation of the valve plate 12 can be limited, and the valve plate 12 can be guaranteed to rotate to an accurate position. The problem that the valve plate 12 cannot be sealed with the body 11 due to the fact that the rotating angle is not in place or the rotating angle is too large is solved.
In the above embodiment, the cross-section of first exhaust passage 1142 and second exhaust passage 1144 is elliptical, and the cross-section of valve plate 12 is elliptical in conformity with first exhaust passage 1142 and second exhaust passage 1144, so that the sealing performance can be improved. Of course, the cross-section of the first exhaust channel 1142 and the second exhaust channel 1144 may be set to be square, circular, etc. according to the requirement, and the shape of the valve plate 12 is the same as the cross-section of the first exhaust channel 1142 and the second exhaust channel 1144, so as to realize sealing.
In the above embodiment, as shown in fig. 3, the gas reversing device 1 further includes a connecting rod 15 and a driving device, the connecting rod 15 penetrates through the body 11, two ends of the connecting rod 15 are disposed outside the body 11, a middle portion of the connecting rod 15 is disposed inside the body 11, the valve plate is connected to the middle portion of the connecting rod 15, the connecting rod 15 can rotate relative to the body 11, and further the valve plate 12 is driven to rotate, so as to select the first exhaust channel 1142 or the second exhaust channel 1144 to exhaust gas; the driving device is connected with the connecting rod 15 and used for driving the connecting rod 15 to rotate, so that the valve plate 12 does not need to be manually rotated, and the switching efficiency is improved.
In the above embodiment, as shown in fig. 3, the gas reversing device 1 further includes a limiting seat and a sleeve, the limiting seat is disposed outside the body 11 and is disposed corresponding to the first end of the connecting rod 15, and is used for limiting the first end of the connecting rod 15; the sleeve sets up in the outside of body 11, and corresponds the second end setting of connecting rod 15, and the second end of connecting rod 15 can pass the sleeve to by the locking piece locking. According to the invention, the sleeves and the limiting seats are respectively arranged at the two ends of the connecting rod 15, so that the stability of the connecting rod 15 can be improved, and the situation that the sealing performance is reduced due to the position movement of the connecting rod 15 in the rotating process is avoided.
In the above-described embodiment, as shown in fig. 1 and 2, the intake passage 112 includes an intake port, the first exhaust passage 1142 includes a first exhaust port, the second exhaust passage 1144 includes a second exhaust port, and the gas redirecting device 1 further includes: the exhaust gas emission device comprises an air inlet flange 16, a first exhaust flange 17 and a second exhaust flange 18, wherein the air inlet flange 16 is arranged at an air inlet, and an air inlet channel 112 is communicated with the exhaust gas emission device through the air inlet flange 16; the air intake and exhaust flange has no shape requirement, and can be a square flange connected by bolts or a circular flange connected by a hoop. A first exhaust flange 17 is provided at the first exhaust port; a second exhaust flange 18 is provided at the second exhaust port. The flanges are respectively arranged on the air inlet and the two air outlets, so that the connection strength of the body 11 can be improved.
In the above embodiment, the body 11 includes the first body and the second body, the first body forms the air inlet channel 112 therein, and the second body forms the first exhaust channel 1142 and the second exhaust channel 1144 therein, it can be understood that the body 11 is a three-way pipeline, and the body 11 may be a box structure as required. Further, the first body and the second body are welded, so that the strength of the body 11 can be ensured.
An embodiment of the second aspect of the invention provides an internal combustion engine comprising a gas reversing device 1 according to an embodiment of the first aspect of the invention. Since the internal combustion engine provided by the embodiment of the second aspect of the present invention includes the gas reversing device 1 described in the embodiment of the first aspect of the present invention, the internal combustion engine provided by the embodiment of the second aspect of the present invention includes all the beneficial effects of the gas reversing device 1 described in the embodiment of the first aspect of the present invention, and therefore, the detailed description thereof is omitted here.
In embodiments according to the invention, the terms "first", "second", "third" are used only for descriptive purposes and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art according to specific situations.
Further, while operations are depicted in a particular order, this should be understood as requiring that such operations be performed in the particular order shown or in sequential order, or that all illustrated operations be performed, to achieve desirable results. Under certain circumstances, multitasking and parallel processing may be advantageous. Likewise, while several specific implementation details are included in the above discussion, these should not be construed as limitations on the scope of the invention. Certain features that are described in the context of separate embodiments can also be implemented in combination in a single implementation. Conversely, various features that are described in the context of a single implementation can also be implemented in multiple implementations separately or in any suitable subcombination.
Although the subject matter has been described in language specific to structural features and/or methodological acts, it is to be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are disclosed as example forms of implementing the claims.
The above is only a preferred embodiment according to the present invention, and is not intended to limit the embodiment according to the present invention, and various modifications and variations may be made to the embodiment according to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the embodiment according to the present invention should be included in the protection scope of the embodiment according to the present invention.

Claims (10)

1. A gas reversing device for an internal combustion engine, said internal combustion engine including an exhaust gas discharge device, said gas reversing device comprising:
the exhaust gas emission device comprises a body and a tail gas exhaust device, wherein the body comprises an air inlet channel, a first exhaust channel and a second exhaust channel, one end of the air inlet channel is communicated with the tail gas exhaust device, and the other end of the air inlet channel is communicated with the first exhaust channel and the second exhaust channel respectively;
the valve plate, rotatable setting is in the body, when the valve plate rotated, can close first exhaust passage makes intake passage with second exhaust passage intercommunication, or close second exhaust passage makes intake passage with first exhaust passage intercommunication.
2. The gas reversing device according to claim 1, further comprising:
elastic sealing material, the setting is in first exhaust passage with second exhaust passage corresponds on the inner wall of body, can extrude when the valve plate rotates elastic sealing material, elastic sealing material can take place deformation when the pressurized, so that the valve plate with realize sealed between the body.
3. A gas reversing device according to claim 2,
an avoiding groove is formed in the position, corresponding to the valve plate, of the elastic sealing material, and the avoiding groove is used for avoiding the valve plate when the valve plate rotates;
the avoiding groove is an arc-shaped groove, and the valve plate can be tightly matched with the arc-shaped groove when rotating.
4. A gas reversing device according to claim 2, further comprising:
two stoppers, set up the inboard of elastic sealing material for it is right the rotation angle of valve plate carries out spacingly, one of them the stopper is right when the valve plate carries out spacingly, the valve plate can be closed first exhaust passage makes inlet channel with second exhaust passage intercommunication, and another the stopper is right when the valve plate carries out spacingly, the valve plate can be closed second exhaust passage makes inlet channel with first exhaust passage intercommunication.
5. A gas reversing device according to claim 1,
the cross section of the first exhaust passage and the second exhaust passage is oval, and the cross section of the valve plate is oval matched with the cross section of the first exhaust passage and the second exhaust passage.
6. The gas reversing device according to claim 1, further comprising:
the connecting rod penetrates through the body, two ends of the connecting rod are arranged outside the body, the middle part of the connecting rod is arranged inside the body, the connecting rod can rotate relative to the body, and the connecting rod is connected with the valve plate and can drive the valve plate to rotate; and the driving device is connected with the connecting rod and used for driving the connecting rod to rotate.
7. The gas reversing device according to claim 6, further comprising:
the limiting seat is arranged on the outer side of the body, corresponds to the first end of the connecting rod and is used for limiting the first end of the connecting rod;
the sleeve sets up the outside of body, and correspond the second end setting of connecting rod, the second end of connecting rod can pass the sleeve to be locked by the retaining member.
8. The gas reversing device of any one of claims 1 to 7, wherein the intake passage includes an intake port, the first exhaust passage includes a first exhaust port, the second exhaust passage includes a second exhaust port, the gas reversing device further comprising:
the air inlet flange is arranged at the air inlet, and the air inlet channel is communicated with the tail gas discharge device through the air inlet flange;
the first exhaust flange is arranged at the first exhaust port;
and the second exhaust flange is arranged at the second exhaust port.
9. The gas reversing device according to any one of claims 1 to 7,
the body includes first body and second body, the inside intake passage that forms of first body, the inside first exhaust passage that forms of second body with second exhaust passage, first body with second body weld forming.
10. An internal combustion engine, comprising:
a gas reversing device according to any of claims 1 to 9.
CN202210896885.2A 2022-07-28 2022-07-28 Gas reversing device and internal combustion engine Pending CN115306569A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210896885.2A CN115306569A (en) 2022-07-28 2022-07-28 Gas reversing device and internal combustion engine

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Application Number Priority Date Filing Date Title
CN202210896885.2A CN115306569A (en) 2022-07-28 2022-07-28 Gas reversing device and internal combustion engine

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Publication Number Publication Date
CN115306569A true CN115306569A (en) 2022-11-08

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CN211524970U (en) * 2019-10-17 2020-09-18 北京宝沃汽车股份有限公司 Double one-way valve for fuel evaporation system, fuel evaporation system and vehicle
CN212583845U (en) * 2020-06-29 2021-02-23 潍柴动力股份有限公司 Three-way control valve and engine air inlet and exhaust system
CN214366469U (en) * 2021-03-11 2021-10-08 长城汽车股份有限公司 Engine air inlet structure, engine and automobile
CN114320616A (en) * 2021-12-28 2022-04-12 上海华培动力科技(集团)股份有限公司 Device capable of adjusting air displacement and installation method

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CN102439337A (en) * 2009-04-20 2012-05-02 万国引擎知识产权有限责任公司 Valve with offset bore
CN105531467A (en) * 2013-10-10 2016-04-27 皮尔伯格有限责任公司 Throttle valve connector for an internal combustion engine, and method for regulating a throttle valve in a throttle valve connector
CN211524970U (en) * 2019-10-17 2020-09-18 北京宝沃汽车股份有限公司 Double one-way valve for fuel evaporation system, fuel evaporation system and vehicle
CN212583845U (en) * 2020-06-29 2021-02-23 潍柴动力股份有限公司 Three-way control valve and engine air inlet and exhaust system
CN214366469U (en) * 2021-03-11 2021-10-08 长城汽车股份有限公司 Engine air inlet structure, engine and automobile
CN114320616A (en) * 2021-12-28 2022-04-12 上海华培动力科技(集团)股份有限公司 Device capable of adjusting air displacement and installation method

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