CN219387997U - Exhaust manifold assembly of automobile engine - Google Patents

Abstract

The utility model discloses an exhaust manifold assembly of an automobile engine, which belongs to the technical field of exhaust manifolds and comprises a connecting shell, wherein the right side surface of the connecting shell is fixedly communicated with a plurality of internal thread branch pipes, the inner ring of each internal thread branch pipe is connected with an external thread joint in a threaded manner, the inner ring of each external thread joint is fixedly connected with a bearing ring, the right end of each bearing ring is fixedly communicated with a branch pipe, the left side surface of the connecting shell is fixedly communicated with an air guide cover, the left side surface of the air guide cover is fixedly communicated with an exhaust main pipe, the left end of the exhaust main pipe is fixedly communicated with a telescopic pipe, the left end of the telescopic pipe is fixedly communicated with a connecting disc, the outer surface of the connecting disc is provided with a plurality of first connecting holes, and the right end of each branch pipe is fixedly communicated with a connecting ring. The exhaust manifold assembly of the automobile engine can enable the exhaust main pipe to be connected with exhaust bifurcation conveniently, and is convenient to detach and replace the exhaust manifold assembly in the later period.

Description

Exhaust manifold assembly of automobile engine

Technical Field

The utility model relates to the field of exhaust manifolds, in particular to an automobile engine exhaust manifold assembly.

Background

The exhaust manifold is connected with the engine cylinder block, and the exhaust of each cylinder is concentrated and led into the exhaust manifold, and the exhaust manifold is provided with a branched pipeline, so that the exhaust resistance is mainly reduced as much as possible, the mutual interference between the cylinders is avoided, when the exhaust is excessively concentrated, the mutual interference between the cylinders can be generated, namely, when one cylinder is exhausted, the exhaust just contacts with the exhaust which is not exhausted and is fleed by the other cylinder, and thus, the exhaust resistance is increased, and the output power of the engine is further reduced.

At present, an exhaust main pipe of an exhaust manifold is connected with an exhaust branch pipe by adopting a welding technology, but the exhaust main pipe is connected with the exhaust branch pipe by adopting a welding mode, so that the exhaust main pipe is inconvenient to detach and replace in the later period, the welding part between the exhaust main pipe and the exhaust branch pipe is corroded, the phenomenon of air leakage easily occurs, and the normal use of the exhaust manifold can be influenced.

Disclosure of Invention

The present utility model is directed to an exhaust manifold assembly for an automobile engine, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an automobile engine exhaust manifold assembly, includes the connection shell, the fixed intercommunication of right flank of connection shell has a plurality of internal thread branch pipes, every the equal screwed connection of inner circle of internal thread branch pipe has the external screw thread joint, every the equal fixedly connected with bearing ring of inner circle of external screw thread joint, every the equal fixed intercommunication in right-hand member of bearing ring has the branch pipe, the fixed intercommunication in left surface of connection shell has the air guide cover, the fixed intercommunication in left surface of air guide cover has the exhaust to be responsible for, the fixed intercommunication in left end of exhaust to be responsible for has flexible pipe.

As still further aspects of the utility model: the left end of the telescopic pipe is fixedly communicated with a connecting disc, and a plurality of first connecting holes are formed in the outer surface of the connecting disc.

As still further aspects of the utility model: the right end of each branch pipe is fixedly communicated with a connecting ring, and the bottom surface of each connecting ring is provided with a second connecting hole.

As still further aspects of the utility model: the right side of the connecting shell is provided with a fixed block, and the bottom surface of each branch pipe is fixedly connected with the upper surface of the fixed block.

As still further aspects of the utility model: the bottom surface fixed mounting of fixed block has two supports, and the mounting hole has all been seted up to the bottom surface of two supports.

As still further aspects of the utility model: the inside wall of the connecting shell is provided with an exhaust main hole, and the left end of the exhaust main hole is communicated with the right end of the exhaust main pipe.

As still further aspects of the utility model: the side wall of the connecting shell is provided with a plurality of exhaust branch holes, and the right end of each exhaust branch hole is respectively communicated with the left end of each branch pipe.

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

this automobile engine exhaust manifold assembly is equipped with through the connection shell a plurality of internal thread branch pipes to with the cooperation of external screw thread joint and bearing ring can make quick connect between branch pipe and the connection shell, and conveniently carry out the dismouting to both, through the flexible pipe that is equipped with and exhaust main pipe, can nimble adjust the length of exhaust main pipe when connecting the installation, be convenient for connect the installation to the exhaust main pipe, thereby through this exhaust manifold assembly, can make the exhaust main pipe be connected with the exhaust branch, be convenient for dismantle the change in the later stage, and avoid the welded part between exhaust main pipe and the exhaust branch to receive the problem of corruption gas leakage.

Drawings

FIG. 1 is a schematic perspective view of an exhaust manifold assembly of an automotive engine from above;

FIG. 2 is a schematic perspective view of a bottom view of a manifold in an exhaust manifold assembly of an automotive engine;

FIG. 3 is a cross-sectional view of a side view of a coupling housing in an automotive engine exhaust manifold assembly;

FIG. 4 is a schematic perspective view of a side view of a manifold in an exhaust manifold assembly of an automotive engine.

In the figure: 1. a connection housing; 2. an internal thread split tube; 3. an external threaded joint; 4. a bearing ring; 5. a branch pipe; 6. an air guide cover; 7. an exhaust main pipe; 8. a telescopic tube; 9. a connecting disc; 10. a first connection hole; 11. a connecting ring; 12. a second connection hole; 13. a support; 14. a mounting hole; 15. a fixed block; 16. a main exhaust hole; 17. and (5) exhausting and separating holes.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Referring to fig. 1 to 4, in an embodiment of the present utility model, an exhaust manifold assembly of an automobile engine includes a connection shell 1, a plurality of internal threaded branch pipes 2 are fixedly connected to a right side surface of the connection shell 1, an inner ring of each internal threaded branch pipe 2 is connected with an external threaded joint 3 in a threaded manner, an inner ring of each external threaded joint 3 is fixedly connected with a bearing ring 4, a right end of each bearing ring 4 is fixedly connected with a branch pipe 5, a left side surface of the connection shell 1 is fixedly connected with an air guide cover 6, a left side surface of the air guide cover 6 is fixedly connected with an exhaust main pipe 7, and a left end of the exhaust main pipe 7 is fixedly connected with a telescopic pipe 8.

The left end fixed intercommunication of flexible pipe 8 has connection pad 9, a plurality of first connecting holes 10 have been seted up to the surface of connection pad 9, the right-hand member of every branch pipe 5 all is fixed to be linked together and is had been offered the second connecting hole 12 to the bottom surface of every linking ring 11, the right side of coupling shell 1 is equipped with fixed block 15, the bottom surface of every branch pipe 5 all is connected with the last fixed surface of fixed block 15, through connection pad 9 and first connecting hole 10 to with the cooperation of linking ring 11 and second connecting hole 12, be convenient for install fixedly to the exhaust manifold assembly, utilize fixed block 15 to play the effect of branch pipe 5 support.

The bottom surface fixed mounting of fixed block 15 has two supports 13, mounting hole 14 has all been seted up to the bottom surface of two supports 13, exhaust main hole 16 has been seted up to the inside wall of coupling shell 1, the left end of exhaust main hole 16 is linked together with the right-hand member of exhaust main pipe 7, a plurality of exhaust branch holes 17 have been seted up to the lateral wall of coupling shell 1, the right-hand member of every exhaust branch hole 17 is linked together with the left end of every branch pipe 5 respectively, through support 13 and mounting hole 14, can support fixed block 15, utilize exhaust branch hole 17 and exhaust main hole 16, can make the better circulation of gas.

The working principle of the utility model is as follows: when the split pipe 5 is connected with the connection shell 1, firstly, the external threaded connector 3 is taken, one end of the external threaded connector 3 is inserted into the internal threaded split pipe 2, then the external threaded connector 3 rotates, the external threaded connector 3 and the internal threaded split pipe 2 are in threaded connection, the connection between the external threaded connector 3 and the internal threaded split pipe 2 is faster, the split pipe and the internal threaded split pipe are convenient to disassemble and assemble, and then the exhaust main pipe 7 and the split pipe 5 are connected and installed through the connection ring 11 and the connection disc 9 respectively.

While the utility model has been described with reference to the preferred embodiments, it will be apparent to those skilled in the art that the utility model is not limited to the details of the exemplary embodiments and that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, as long as the scope of the utility model is defined by the claims and its spirit and scope. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (7)

1. The utility model provides an automobile engine exhaust manifold assembly, includes coupling shell (1), its characterized in that, the right flank of coupling shell (1) fixedly communicates there is a plurality of internal thread branch pipes (2), every the equal threaded connection of inner circle of internal thread branch pipe (2) has external screw thread joint (3), every the equal fixedly connected with bearing ring (4) of inner circle of external screw thread joint (3), every the equal fixedly connected with branch pipe (5) of right-hand member of bearing ring (4), the fixed intercommunication in left surface of coupling shell (1) has air guide cover (6), the fixed intercommunication in left surface of air guide cover (6) has exhaust to be responsible for (7), the fixed intercommunication in left end of exhaust to be responsible for (7) has flexible pipe (8).

2. An exhaust manifold assembly of an automobile engine according to claim 1, wherein a connecting disc (9) is fixedly connected to the left end of the telescopic tube (8), and a plurality of first connecting holes (10) are formed in the outer surface of the connecting disc (9).

3. An exhaust manifold assembly for an automobile engine according to claim 1, wherein the right end of each branch pipe (5) is fixedly connected with a connecting ring (11), and the bottom surface of each connecting ring (11) is provided with a second connecting hole (12).

4. An exhaust manifold assembly for an automobile engine according to claim 1, wherein a fixing block (15) is provided on the right side of the connection housing (1), and the bottom surface of each of the branch pipes (5) is fixedly connected with the upper surface of the fixing block (15).

5. An exhaust manifold assembly for an automobile engine according to claim 4, wherein two supports (13) are fixedly mounted on the bottom surface of the fixing block (15), and mounting holes (14) are formed in the bottom surfaces of the two supports (13).

6. An exhaust manifold assembly of an automobile engine according to claim 1, characterized in that an exhaust main hole (16) is provided in the inner side wall of the connection housing (1), and the left end of the exhaust main hole (16) is communicated with the right end of the exhaust main pipe (7).

7. An exhaust manifold assembly for an automobile engine according to claim 1, wherein a plurality of exhaust branch holes (17) are provided in a side wall of the connection housing (1), and a right end of each exhaust branch hole (17) is communicated with a left end of each branch pipe (5).