CN211116252U

CN211116252U - Exhaust manifold for two-stage turbocharger system

Info

Publication number: CN211116252U
Application number: CN201922034381.6U
Authority: CN
Inventors: 戎永波; 郭隽; 余勇; 刘世阳; 陈基林; 随伟; 陈培华; 孙平
Original assignee: Ningbo Kesen Exhaust Gas Cleaner Manufacturing Co ltd
Current assignee: Ningbo Kesen Exhaust Gas Cleaner Manufacturing Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-07-28
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses an exhaust manifold for two-stage turbocharger system, including packaging shell, direct-connected pipe, curved connecting pipe, ring flange, leg joint spare, mounting hole, insulating layer, inner core and interior packaging shell, the inner core is installed to interior packaging shell internally, and the inner packaging shell both ends respectively fixedly connected with directly link the pipe and the curved connecting pipe, interior packaging shell, directly link the pipe and the curved connecting pipe outside all laminating and being fixed with the insulating layer, this exhaust manifold for two-stage turbocharger system is connected with first turbo charger and second turbo charger through directly linking the pipe and curved connecting pipe, and first turbo charger configuration and setting are supplied exhaust to two turbo chargers via flow channel, form the whole casing that has two independent and different internal flow paths that combine each other, thereby two gas flow chambers can assemble the ICE together, and the device is thermal-insulated effectual, not only reduces the influence on external parts, but also has high heat conduction efficiency.

Description

Exhaust manifold for two-stage turbocharger system

Technical Field

The utility model relates to a turbo charger's exhaust manifold technical field specifically is an exhaust manifold for two-stage turbocharger system.

Background

With high performance camshaft timing, exhaust valves in different cylinders can be opened simultaneously, the end of the power stroke in one cylinder overlapping the end of the exhaust stroke in another cylinder, and in a single stage system employing a dual swirl turbocharger, the exhaust manifold physically separates the passages of the cylinders that may interfere with each other, such that the pulsating exhaust gas flows through independent vortices (swirl), which allows the engine to efficiently use exhaust breathing techniques, thereby reducing cylinder gas temperature and NOx emissions, and improving turbine efficiency, reducing turbo lag. However, the existing exhaust manifold has poor heat insulation effect, the emitted heat easily influences the work of external equipment, and the conduction and utilization of the heat are reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exhaust manifold for two-stage turbocharger system to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an exhaust manifold for two-stage turbocharger system, includes the encapsulation shell, directly links pipe, curved even pipe, ring flange, leg joint spare, mounting hole, insulating layer, inner core and interior capsule, interior capsule internally mounted has the inner core, and interior capsule both ends difference fixedly connected with directly links pipe and curved even pipe, interior capsule, directly link pipe and curved even outside of pipe all the laminating be fixed with the insulating layer, and insulating layer outer wall laminating encapsulation is fixed with the encapsulation shell, the mounting hole has all been seted up on directly linking pipe and curved even pipe surface, directly link pipe, curved even pipe tip all are fixed with the ring flange, interior capsule surface all is fixed with leg joint spare.

Preferably, the inner core body is externally sleeved with an inner cylinder in a matching manner.

Preferably, the section of the heat insulation layer is in a spaced hollow shape.

Preferably, the end face of the flange plate is provided with a sealing groove.

Preferably, the surfaces of the packaging shell and the heat insulation layer are in a cross-sectional shape at the fixed position of the support connecting piece, and the support connecting piece is directly and fixedly connected with the inner packaging shell.

Preferably, the splicing position of the packaging shell is in an outward-winding fixed welding shape.

Compared with the prior art, the beneficial effects of the utility model are that: the device is fixedly installed through a bracket connecting piece and is directly connected with the first gas flow chamber and the second gas flow chamber in a sealing way through a straight connecting pipe and a bent connecting pipe, installing an oxygen sensor through a mounting hole, the inner capsule being connected with the straight and bent connecting pipes in a sealed conducting structure stably conducting hot gas, heat being blocked by the heat insulating layer, the device being tightly packed by a packing case, the exhaust manifold for the two-stage turbocharger system being connected with a first turbocharger and a second turbocharger through the straight and bent connecting pipes, the first turbocharger being configured and arranged to supply exhaust gas to the second turbocharger via a flow passage, formed as a unitary housing having two independent and distinct internal flow paths joined to each other, thus, the two gas flow chambers can be assembled together to the ICE, the device is thermally insulated, not only reducing the impact on external components, but also having a high thermal conductivity.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the bracket connection member of the present invention;

fig. 3 is a schematic view of the layout structure of the inner core body of the present invention;

FIG. 4 is a schematic view of the structure of the thermal insulation layer of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the flange plate of the present invention.

In the figure: 1. packaging the shell; 2. a direct connection pipe; 3. bending the connecting pipe; 4. a flange plate; 5. a bracket connection member; 6. mounting holes; 7. a thermal insulation layer; 8. an inner core body; 9. an inner barrel; 10. an inner capsule; 11. sealing the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an exhaust manifold for two-stage turbocharger system, including packaging shell 1, directly link pipe 2, curved connecting pipe 3, ring flange 4, leg joint spare 5, mounting hole 6, insulating layer 7, interior core 8 and interior packaging shell 10, interior packaging shell 10 internally mounted has interior core 8, and interior packaging shell 10 both ends respectively fixedly connected with directly link pipe 2 and curved connecting pipe 3, interior packaging shell 10, directly link pipe 2 and curved connecting pipe 3 outside all laminating and be fixed with insulating layer 7, and insulating layer 7 outer wall laminating encapsulation is fixed with packaging shell 1, mounting hole 6 has all been seted up on straight connecting pipe 2 and curved connecting pipe 3 surface, directly link pipe 2, curved connecting pipe 3 tip all is fixed with ring flange 4, interior packaging shell 10 surface all is fixed with leg joint spare 5.

The device passes through 5 fixed mounting of leg joint spare, and the direct and first and second gas flow chamber sealing connection of rethread straight connecting pipe 2 and curved connecting pipe 3, through the installation of mounting hole 6 installation oxygen sensor, interior envelope 10 with directly link pipe 2 and curved connecting pipe 3 and be connected and be a sealed conducting structure, stable conduction hot gas, the heat is by the separation of insulating layer 7, the device closely encapsulates through envelope 1.

The inner core body 8 is externally sleeved with an inner cylinder 9 in a matching way, so that the inner core body 8 is neatly and stably packaged.

The section of the heat insulation layer 7 is hollow at intervals, the internal stress support is uniform and stable, and the hollow heat insulation effect is good.

The sealing groove 11 is formed in the end face of the flange plate 4, so that a sealing ring is attached to the straight connecting pipe 2 and the bent connecting pipe 3 conveniently when the connecting pipes are connected, and the connecting sealing strength is improved.

The surfaces of the packaging shell 1 and the heat insulation layer 7 are positioned at the fixed positions of the support connecting piece 5 and are in a cross-sectional shape, and the support connecting piece 5 is directly and fixedly connected with the inner packaging shell 10, so that the support connecting piece 5 and the inner packaging shell 10 are welded stably.

The splicing position of the packaging shell 1 is in an outward-winding fixed welding shape, so that the welding strength and the sealing strength of the packaging shell 1 are improved.

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 a process, method, 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 process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exhaust manifold for two-stage turbocharger system, includes encapsulation shell (1), directly links pipe (2), curved connecting tube (3), ring flange (4), leg joint spare (5), mounting hole (6), insulating layer (7), inner core body (8) and interior encloser (10), its characterized in that: interior capsule (10) internally mounted has interior core (8), and interior capsule (10) both ends respectively fixedly connected with directly link pipe (2) and curved connecting pipe (3), interior capsule (10), directly link pipe (2) and curved connecting pipe (3) outside all laminating and be fixed with insulating layer (7), and insulating layer (7) outer wall laminating encapsulation is fixed with packaging shell (1), mounting hole (6) have all been seted up on directly linking pipe (2) and curved connecting pipe (3) surface, directly link pipe (2), curved connecting pipe (3) tip all is fixed with ring flange (4), interior capsule (10) surface all is fixed with leg joint spare (5).

2. An exhaust manifold for a two-stage turbocharger system according to claim 1, wherein: the outer part of the inner core body (8) is sleeved with an inner cylinder (9) in a matching way.

3. An exhaust manifold for a two-stage turbocharger system according to claim 1, wherein: the section of the heat insulation layer (7) is hollow at intervals.

4. An exhaust manifold for a two-stage turbocharger system according to claim 1, wherein: and the end face of the flange plate (4) is provided with a sealing groove (11).

5. An exhaust manifold for a two-stage turbocharger system according to claim 1, wherein: the surfaces of the packaging shell (1) and the heat insulation layer (7) are located at the fixed positions of the support connecting pieces (5) and are in a sectional shape, and the support connecting pieces (5) are directly and fixedly connected with the inner packaging shell (10).

6. An exhaust manifold for a two-stage turbocharger system according to claim 1, wherein: the splicing position of the packaging shell (1) is in an outward-winding fixed welding shape.