CN214366332U - Exhaust manifold structure and engine - Google Patents

Abstract

The utility model discloses an exhaust manifold structure and an engine, wherein the exhaust manifold structure comprises an exhaust manifold, a cylinder cover mounting flange, a supercharger mounting flange and a bracket component; the supercharger mounting flange and the bracket assembly are respectively and symmetrically mounted at the top end and the bottom end of the exhaust manifold, the supercharger mounting flange is used for being connected with a supercharger, and the bracket assembly is used for being connected with an engine body; the cylinder head mounting flange is mounted on one side of the exhaust manifold and is used for being connected with a cylinder head of the engine. Because the supercharger mounting flange and the bracket component are respectively and symmetrically mounted at the top end and the bottom end of the exhaust manifold, the supercharger mounting flange is connected with the supercharger, and the bracket component is connected with the engine body, the thermal deformation of the two symmetrical sides of the exhaust manifold is close to the same, and the bracket component supports the exhaust manifold, so that most of the impact load of the exhaust manifold in the vertical direction is transferred to the bracket component, the axial over-constraint of the exhaust manifold is avoided, and the rigidity and the service life of the exhaust manifold are improved.

Description

Exhaust manifold structure and engine

Technical Field

The utility model belongs to the technical field of the engine technique and specifically relates to an exhaust manifold structure and engine are related to.

Background

The rear supercharger on the engine is in a suspended state, one end of the exhaust manifold is fixed with the cylinder cover, the other end of the exhaust manifold is fixed with the supercharger and is influenced by ignition and excitation of the engine, the amplitude of the engine is large in the working process, and the requirements on the structure and the supporting rigidity of the exhaust manifold are high. In order to solve the problem, at present, a mode of increasing support by a supercharger volute is generally adopted, so that the vibration amplitude of the supercharger is reduced, and the requirement on rigidity of an exhaust manifold is reduced, but the increase of the support of the supercharger is often difficult to be limited by the design structure and the arrangement condition of the supercharger, and the universal type of different types is not strong; in addition, the support is added near the flange fixing surface of the exhaust manifold or the bolt fixing lug is added on the pipe body, so that local stress concentration is easily caused, and the service life of the exhaust manifold is shortened.

Therefore, how to improve the rigidity and the service life of the exhaust manifold is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, a first object of the present invention is to provide an exhaust manifold structure to improve the rigidity and life of the exhaust manifold.

A second object of the present invention is to provide an engine.

In order to achieve the first object, the present invention provides the following solutions:

an exhaust manifold structure comprises an exhaust manifold, a cylinder cover mounting flange, a supercharger mounting flange and a bracket assembly;

the supercharger mounting flange and the support assembly are symmetrically mounted at the top end and the bottom end of the exhaust manifold respectively, the supercharger mounting flange is used for being connected with a supercharger, and the support assembly is used for being connected with an engine body;

the cylinder cover mounting flange is mounted on one side of the exhaust manifold and is used for being connected with a cylinder cover of an engine.

In a particular embodiment, the exhaust manifold is an axisymmetric structure.

In another specific embodiment, the supercharger mounting flange is mounted to the exhaust manifold at a top center location and the bracket assembly is mounted to the exhaust manifold at a bottom center location.

In another specific embodiment, the bracket assembly includes a bracket and a securing block;

the support is installed in the bottom of exhaust manifold, the fixed block is installed on the support, the fixed block with the engine body is connected.

In another specific embodiment, the scaffold comprises a first scaffold and a second scaffold;

first support and second support demountable installation in exhaust manifold's bottom, the fixed block demountable connection is in between first support and the second support.

In another specific embodiment, the first and second supports are arranged in parallel.

In another specific embodiment, the first bracket and the second bracket are both thin-walled stampings.

In another specific embodiment, the bracket assembly further comprises a spacing sleeve;

the limiting sleeve is arranged between the first support and the second support.

In another specific embodiment, the stop sleeve is removably connected between the first bracket and the second bracket by a bracket mounting bolt.

According to the utility model discloses an each embodiment can make up as required wantonly, and the embodiment that obtains after these combinations is also in the utility model discloses the scope is the utility model discloses a part of the concrete implementation mode.

The utility model discloses a concrete embodiment, because booster mounting flange and bracket component symmetry respectively install on exhaust manifold's top and bottom, booster mounting flange is connected with the booster, the bracket component is connected with the engine organism, consequently, make exhaust manifold symmetry both sides heat altered shape tend to unanimous, and the bracket component supports exhaust manifold for exhaust manifold avoids exhaust manifold axial to cross the restraint on most the shifting of the impact load of vertical direction to the bracket component simultaneously, has improved exhaust manifold's rigidity and life-span.

In order to achieve the second objective, the present invention provides the following solutions:

an engine comprising an exhaust manifold structure as claimed in any one of the preceding claims.

Because the utility model provides an engine includes the exhaust manifold structure in any one of the above-mentioned, consequently, the beneficial effect that the exhaust manifold structure had all is the utility model provides an engine contains.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without any novelty.

Fig. 1 is a schematic three-dimensional structure diagram of an exhaust manifold structure provided by the present invention;

fig. 2 is a schematic structural view of an exhaust manifold structure according to the present invention;

fig. 3 is a left side view structural schematic diagram of the exhaust manifold structure provided by the present invention.

Wherein, in fig. 1-3:

the mounting structure comprises an exhaust manifold 1, a cylinder cover mounting flange 2, a supercharger mounting flange 3, a bracket assembly 4, a fixing block 401, a fixing block bolt 10, a first bracket 402, a second bracket 403, a limiting sleeve 404, a bracket mounting bolt 5, a mounting sleeve 6, a flange fixing bolt 7, a supporting block fixing bolt 8 and a supporting manifold bolt 9.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to fig. 1 to 3 and the detailed description.

As shown in fig. 1-3, an aspect of the present invention provides an exhaust manifold structure, wherein the exhaust manifold structure includes an exhaust manifold 1, a cylinder head mounting flange 2, a supercharger mounting flange 3, and a bracket assembly 4.

The supercharger mounting flange 3 and the support assembly 4 are symmetrically mounted at the top end and the bottom end of the exhaust manifold 1 respectively, the supercharger mounting flange 3 is used for being connected with a supercharger, and specifically, the supercharger mounting flange 3 is detachably connected with the supercharger. It is understood that the supercharger mounting flange 3 and the bracket assembly 4 are symmetrically mounted at the top end and the bottom end of the exhaust manifold 1, respectively, which means that two planes on the exhaust manifold 1 for mounting the supercharger mounting flange 3 and the bracket assembly 4 are symmetrically arranged.

The bracket component 4 is used for being connected with the engine body, and specifically, the bracket component 4 is detachably connected with the engine body through a support block fixing bolt 8.

The bracket assembly 4 may be any structure that supports the exhaust manifold 1.

The cylinder cover mounting flange 2 is mounted on one side of the exhaust manifold 1 and used for being connected with a cylinder cover of an engine, and specifically, the cylinder cover mounting flange 2 is perpendicular to the supercharger mounting flange 3. Cylinder cap mounting flange 2 passes through flange fixing bolt 7 with the engine cylinder head and can dismantle and be connected, for the convenience of mounting flange fixing bolt 7, the utility model further discloses a 7 overcoat of flange fixing bolt is equipped with installation sleeve 6, and installation sleeve 6 arranges in between flange fixing bolt 7's nut and the cylinder cap mounting flange 2.

Because supercharger mounting flange 3 and bracket component 4 are symmetrically installed at the top and bottom of exhaust manifold 1 respectively, supercharger mounting flange 3 is connected with the supercharger, and bracket component 4 is connected with the engine body, consequently, make exhaust manifold 1 symmetrical both sides heat altered shape and tend to unanimously, and bracket component 4 supports exhaust manifold 1 for exhaust manifold 1 avoids exhaust manifold 1 axial overconstrained on most of the impact load transfer of vertical direction on bracket component 4 simultaneously, has improved exhaust manifold 1's rigidity and life-span.

In some embodiments, the exhaust manifold 1 is an axisymmetric structure, further achieving stability of the exhaust manifold 1.

Further, the utility model discloses a supercharger mounting flange 3 installs the top central point at exhaust manifold 1 and puts, and bracket component 4 installs the bottom central point at exhaust manifold 1 and puts, has realized the stable support connection to exhaust manifold 1.

In some embodiments, the bracket assembly 4 includes a bracket mounted at a bottom end of the exhaust manifold 1 and a fixing block 401 mounted on the bracket, the fixing block 401 is connected to the engine body, and specifically, the fixing block 401 is detachably connected to the engine body by a fixing block bolt 10.

Further, the utility model discloses a support includes first support 402 and second support 403, and first support 402 and second support 403 demountable installation are in exhaust manifold 1's bottom, and specifically, first support 402 and second support 403 can dismantle through support manifold bolt 9 and connect in exhaust manifold 1's bottom.

The fixing block 401 is detachably connected between the first bracket 402 and the second bracket 403 by a supporting block fixing bolt 8. The arrangement of the first bracket 402 and the second bracket 403 increases the overall strength of the bracket, and the arrangement of the fixing block 401 between the first bracket 402 and the second bracket 403 increases the bending strength of the bracket.

Further, the utility model discloses a first support 402 and second support 403 parallel arrangement, the installation of being convenient for, it should be noted that, first support 402 and second support 403 are not limited to the parallel, also can incline the setting etc..

Specifically, the utility model discloses a first support 402 and second support 403 are the thin wall stamping workpiece, and it is required to explain that, first support 402 and second support 403 are not restricted to for the thin wall stamping workpiece, also can be welding or concatenation such as tubular product or panel and form.

Further, the utility model discloses a bracket component 4 still includes limiting sleeve 404, and limiting sleeve 404 sets up between first support 402 and second support 403, has improved the bending strength of support.

Specifically, the utility model discloses a stop sleeve 404 passes through support mounting bolt 5 and can dismantle the connection between first support 402 and second support 403.

The utility model has the advantages of as follows: the bottom support of the exhaust manifold 1 is increased, the deformation of the bottom support surface of the exhaust manifold 1 and the deformation of the support surface approach to be consistent, the over-restraint of the support is avoided, the buckling resistance of the support is improved by the support middle limiting sleeve 404 and the fixing block 401, the support rigidity of the exhaust manifold 1 is improved, meanwhile, the local stress concentration of the exhaust manifold 1 is avoided, the working reliability and the service life of the engine exhaust manifold 1 are improved, and the engine exhaust manifold has the advantages of compact structure, high strength, easiness in manufacturing, convenience in installation and the like.

Another aspect of the present invention provides an engine including an exhaust manifold structure as in any one of the above embodiments.

Because the utility model provides an engine includes the exhaust manifold structure in any one of above-mentioned embodiment, consequently, the beneficial effect that the exhaust manifold structure had all is the utility model provides an engine contains.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that an article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such article or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in an article or device that comprises the element.

The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the core concepts of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. An exhaust manifold structure is characterized by comprising an exhaust manifold, a cylinder cover mounting flange, a supercharger mounting flange and a support assembly;

the supercharger mounting flange and the support assembly are symmetrically mounted at the top end and the bottom end of the exhaust manifold respectively, the supercharger mounting flange is used for being connected with a supercharger, and the support assembly is used for being connected with an engine body;

the cylinder cover mounting flange is mounted on one side of the exhaust manifold and is used for being connected with a cylinder cover of an engine.

2. The exhaust manifold structure according to claim 1, wherein the exhaust manifold is an axisymmetric structure.

3. The exhaust manifold structure of claim 2, wherein the supercharger mounting flange is mounted at a top center position of the exhaust manifold and the bracket assembly is mounted at a bottom center position of the exhaust manifold.

4. The exhaust manifold structure according to any one of claims 1 to 3, wherein the bracket assembly includes a bracket and a fixing block;

the support is installed in the bottom of exhaust manifold, the fixed block is installed on the support, the fixed block with the engine body is connected.

5. The exhaust manifold structure according to claim 4, wherein the bracket includes a first bracket and a second bracket;

first support and second support demountable installation in exhaust manifold's bottom, the fixed block demountable connection is in between first support and the second support.

6. The exhaust manifold structure according to claim 5, wherein the first bracket and the second bracket are arranged in parallel.

7. The exhaust manifold structure according to claim 5, wherein the first bracket and the second bracket are each thin-walled stampings.

8. The exhaust manifold structure according to any one of claims 5 to 7, wherein the bracket assembly further comprises a restraining sleeve;

the limiting sleeve is arranged between the first support and the second support.

9. The exhaust manifold structure according to claim 8, wherein the limiting sleeve is detachably connected between the first bracket and the second bracket by a bracket mounting bolt.

10. An engine characterized by comprising the exhaust manifold structure according to any one of claims 1 to 9.

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