CN219733510U - Supercharger, engine and vehicle - Google Patents

Abstract

The utility model provides a supercharger, an engine and a vehicle, wherein the supercharger comprises a turbine shell, the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. The supercharger provided by the utility model can enable the internal structure of the engine to be compact.

Description

Supercharger, engine and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a supercharger, an engine and a vehicle.

Background

The supercharger is a device for increasing the air inlet pressure of a cylinder, and the exhaust manifold is connected with a cylinder body and used for centralizing the exhaust of each cylinder and guiding the exhaust into the exhaust manifold, thus being a pipeline with branches.

Generally, an engine includes a cylinder, an exhaust manifold, and a supercharger, one end of the exhaust manifold is detachably connected to a head of the cylinder and communicates with an exhaust passage on the cylinder, and the other end of the exhaust manifold is detachably connected to a turbine housing of the supercharger, for example, the exhaust manifold and the turbine housing of the supercharger may be detachably connected by a flange.

However, the engine occupies a large space, and is inconvenient to be laid.

Disclosure of Invention

The utility model provides a supercharger, an engine and a vehicle, which can solve the problems that the engine in the related art occupies a large space and is inconvenient to arrange. The specific technical scheme is as follows:

in a first aspect, the present utility model provides a supercharger comprising a turbine housing; the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage.

In some alternative embodiments, the plurality of exhaust channels is a plurality, and the gas channel includes a plurality of sub-channels corresponding to the number of exhaust channels, one sub-channel for communicating with one exhaust channel.

In some alternative embodiments, the plurality of sub-channels meet at an end in communication with the volute flow passage. Therefore, the size of the connecting shell can be smaller at one end of the plurality of sub-channels communicated with the volute flow channel, so that the structure of the supercharger provided by the embodiment is compact.

In some alternative embodiments, the connecting portion is located at an end of the main body portion facing the cylinder head and is adapted to be detachably connected to the cylinder head. Therefore, the detachable connection between the turbine shell and the cylinder cover can be realized, and the assembly and the disassembly between the supercharger and the cylinder cover provided by the embodiment are convenient.

In some alternative embodiments, the connecting portion includes a connecting lug protruding outwardly along an outer wall surface of the main body portion, the connecting lug being provided with a connecting hole for a fixed fit with a mounting hole on the cylinder head.

In some alternative embodiments, a plurality of the connection lugs are provided, and the plurality of connection lugs are provided at intervals along the circumferential direction of the main body portion.

In some alternative embodiments, the main body part comprises a plurality of connected single shells, each single shell is provided with a connecting part, a sub-channel is defined in one single shell, and a connecting seam is formed at the joint of two adjacent single shells; the main body part also comprises a first reinforcing part, wherein the first reinforcing part is arranged at the joint of the two adjacent single shells and extends along the extending direction of the connecting seam.

In some alternative embodiments, the first reinforcement part is arranged at the joint of each two adjacent single shells; the main body part also comprises second reinforcing parts, and one end, close to the main shell, of each first reinforcing part is connected with the second reinforcing parts.

In a second aspect, the utility model provides an engine comprising a cylinder, a gasket and a supercharger as described above; the cylinder includes the cylinder cap, and is formed with exhaust passage in the cylinder, and sealing gasket sets up between cylinder cap and turbine casing, sealing gasket and cylinder cap link together.

In a third aspect, the utility model provides a vehicle comprising an engine as described above.

The utility model provides a supercharger, an engine and a vehicle, wherein the supercharger comprises a turbine shell, wherein the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. Like this, through improving the turbine casing of booster, make turbine casing can be connected with the cylinder cap, can form spiral case runner and gas passage in turbine casing moreover, the spiral case runner passes through the gas passage and communicates with the exhaust passage in the cylinder, compare in prior art, then need not set up solitary exhaust manifold, thereby need not set up the connection structure who is connected exhaust manifold and booster, for example be the flange, and then make the inside structure of engine more compact, reduce the holistic occupation space of engine, be convenient for lay the engine.

Drawings

Fig. 1 is a schematic perspective view of a partial structure of an engine according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of a partial structure at A in FIG. 1;

fig. 3 is a schematic diagram of a communication state between an exhaust passage and a gas passage in an engine according to an embodiment of the present utility model;

fig. 4 is a schematic perspective view of a supercharger according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a supercharger according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a turbine housing; 2. a cylinder cover; 3. an exhaust passage; 4. a sealing gasket;

11. a sub-channel; 12. a connection part; 13. a main housing; 14. a connection housing; 15. a first reinforcing part; 16. a second reinforcing part;

121. a connection body; 122. a connecting lug; 141. a single housing;

1221. and a connection hole.

Detailed Description

The technical scheme of the utility model will be clearly and thoroughly described below with reference to the accompanying drawings. Wherein, in the description of the embodiments of the present utility model, unless otherwise indicated, "/" means or, for example, a/B may represent a or B: the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and furthermore, in the description of the embodiments of the present utility model, "plural" means two or more than two.

The terms "first," "second," and the like, are used below for descriptive purposes only and are not to be construed as implying or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

The supercharger is a device for increasing the air inlet pressure of a cylinder, and the exhaust manifold is connected with a cylinder body and used for centralizing the exhaust of each cylinder and guiding the exhaust into the exhaust manifold, thus being a pipeline with branches. Generally, an engine includes a cylinder, an exhaust manifold, and a supercharger, one end of the exhaust manifold is detachably connected to a head of the cylinder and communicates with an exhaust passage on the cylinder, and the other end of the exhaust manifold is detachably connected to a turbine housing of the supercharger, for example, the exhaust manifold and the turbine housing of the supercharger may be detachably connected by a flange. However, the engine occupies a large space, and is inconvenient to be laid.

It should be noted that, in general, the housing of the supercharger includes a compressor housing, an intermediate body for passing a supercharger shaft, and a turbine housing, which are connected together, wherein the compressor housing is used for accommodating a compressor for compressing air, and the compressor housing has an air inlet; the intermediate body is used for supporting the supercharger shaft and is provided with a lubricating oil inlet and a lubricating oil outlet; the turbine housing is configured to house a turbine driven by the exhaust gas to define a volute flow path within the turbine housing and has an exhaust port thereon. Here, the structure of the supercharger is not particularly limited.

Therefore, the embodiment of the utility model provides a supercharger, an engine and a vehicle, wherein the supercharger comprises a turbine shell, the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. Like this, through improving the turbine casing of booster, make turbine casing can be connected with the cylinder cap, can form spiral case runner and gas passage in turbine casing moreover, the spiral case runner passes through the gas passage and communicates with the exhaust passage in the cylinder, compare in prior art, then need not set up solitary exhaust manifold, thereby need not set up the connection structure who is connected exhaust manifold and booster, for example be the flange, and then make the inside structure of engine more compact, reduce the holistic occupation space of engine, be convenient for lay the engine.

Embodiments of the present utility model will be described in detail below with reference to the attached drawings and detailed description.

Referring to fig. 1 to 3, fig. 1 is a schematic perspective view of a partial structure of an engine according to an embodiment of the present utility model, fig. 2 is an enlarged schematic view of a partial structure at a in fig. 1, and fig. 3 is a schematic view of a communication state between an exhaust passage and a gas passage in the engine according to an embodiment of the present utility model. As shown in fig. 1 to 3, the present embodiment provides a supercharger including a turbine housing 1 including a main housing 13 and a connection housing 14 connected, and the main housing 13 and the connection housing 14 are of an integral structure; the main housing 13 defines a scroll passage therein, and the connection housing 14 includes a main body portion connected to the main housing 13 and defining a gas passage therein communicating with the scroll passage, and a connection portion 12 configured to be connected with the head 2 of the cylinder such that the scroll passage communicates with the exhaust passage 3 in the cylinder through the gas passage. In the supercharger provided in this embodiment, through improving the turbine housing 1 of the supercharger, the turbine housing 1 can be connected with the cylinder cover 2, and can form a volute runner and a gas channel in the turbine housing 1, and the volute runner is communicated with the exhaust channel 3 in the cylinder through the gas channel.

It should be noted that the above-mentioned integrated structure may be understood that a welded connection manner may be adopted between the main housing 13 and the connection housing 14 or other integrated connection manners may be adopted, that is, no other connection members than the main housing 13 and the connection housing 14 may be present when the main housing 13 and the connection housing 14 are connected. Here, the connection between the main casing 13 and the connection casing 14 is not limited.

Referring to fig. 4 to 5, fig. 4 is a schematic perspective view of a supercharger according to an embodiment of the present utility model, and fig. 5 is a schematic perspective view of the supercharger according to another embodiment of the present utility model. In some alternative embodiments, as shown in fig. 4 and 5, to facilitate connection of the supercharger to the cylinder head 2, a removable connection may be used to connect the supercharger to the cylinder head 2. Specifically, the connecting portion 12 is located at an end of the connecting housing 14 facing the cylinder head 2, and the shape of the connecting portion 12 matches the contour shape of the connecting housing 14; the connection portion 12 is detachably connected with the cylinder head 2 to detachably connect the turbine housing 1 with the cylinder head 2. In this way, the detachable connection between the turbine housing 1 and the cylinder cover 2 can be realized, and the supercharger can be conveniently installed and detached.

In some embodiments, the connection portion 12 may be a plate-like structure surrounding the turbine housing 1. Here, the specific form of the connection portion 12 is not limited.

Further, in order to adapt to the shape of the connection part of the cylinder head 2 and the turbine housing 1, in some embodiments, the connection part 12 includes a connection body 121 and a plurality of connection lugs 122 spaced on the connection body 12, the connection body 121 is connected with the turbine housing 1, and the shape of the connection body 121 is adapted to the outline shape of the main body part, that is, the plurality of connection lugs 122 are arranged at intervals along the circumferential direction of the main body part; the connecting lug 122 is connected to one side of the connecting body 121 far away from the turbine housing 1, that is, the connecting lug 122 protrudes outwards along the outer wall surface of the main body, and the connecting lug 122 is provided with a connecting hole 1221 for being fixedly matched with a mounting hole on the cylinder cover 2, which is not shown in the figure.

It should be noted that, in some specific embodiments, the connection lug 122 and the cylinder head 2 may be connected by a threaded fastener, for example, a stud penetrating through the connection lug and the cylinder head 2 may be used, and corresponding nuts may be installed at two ends of the stud to connect the connection lug 122 and the cylinder head 2, where the installation hole and the connection hole 1221 are threaded holes. The connection between the connecting lug 122 and the cylinder head 2 is not limited here.

Generally, a plurality of cylinders arranged in parallel are arranged in the engine, and correspondingly, a plurality of exhaust channels 3 arranged in parallel are arranged, when the number of the exhaust channels 3 is multiple, the gas channels comprise a plurality of sub-channels 11 corresponding to the number of the exhaust channels 3, and one sub-channel 11 is used for communicating with one exhaust channel 3; and a plurality of sub-channels 11 are in converging communication at one end in communication with the volute flow passage. In this way, in the direction of arrangement of the plurality of exhaust passages 3, the size of the connection housing 14 is made gradually larger in the direction from near the main housing 13 to near the cylinder head 2, that is, the shape of the connection housing 14 is kept in conformity with the shape of the gas passage, so that not only communication of the gas passage with the plurality of exhaust passages 3 can be achieved, but also the size of the connection housing 14 in the direction of arrangement of the plurality of exhaust passages 3 is made smaller.

Specifically, the main body includes a plurality of single housings 141 connected to each other, each single housing 141 is provided with a connecting portion 12, and a sub-channel 11 is defined in one single housing 141. In this way, the connection reliability between the turbine housing 1 and the cylinder head 2 is made stronger. In the present embodiment, the shape of the connection part 12 matches the contour shape of the corresponding single case 141.

Since the ends of the plurality of single casings 141 near the main casing 13 are connected together, a connecting seam (not shown) is formed at the junction of the adjacent two single casings 141, and in order to enhance the connection reliability between the adjacent two single casings 141, the turbine casing 1 further includes a first reinforcing portion 15; the first reinforcement 15 is provided at the junction of the adjacent two single cases 141 and extends in the extending direction of the connecting seam. In this way, the connection reliability between the adjacent two single cases 141 can be improved.

Further, in order to improve the structural strength of the connection housing 14, a first reinforcing portion 15 is disposed at the junction of each two adjacent single housings 141; the turbine housing 1 further includes second reinforcement portions 16, and one end of each of the first reinforcement portions 15 near the main housing 13 is connected to the second reinforcement portion 16. This results in a high structural strength of the connection housing 14.

The embodiment provides a supercharger, which comprises a turbine shell, wherein the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. In the supercharger provided in this embodiment, through improving the structure of the turbine housing of the supercharger, the turbine housing can be connected with the cylinder cover, and can form spiral case runner and gas passage in the turbine housing, and the spiral case runner communicates with the exhaust passage in the cylinder through the gas passage, compare in prior art, then need not set up solitary exhaust manifold, thereby need not set up the connection structure that is connected to exhaust manifold and supercharger, for example be the flange, make the connection between supercharger and the cylinder cover that this embodiment provided more compactly.

The embodiment also provides an engine comprising a cylinder, a sealing gasket 4 and the supercharger in the above embodiment; the cylinder includes cylinder head 2, and is formed with exhaust passage 3 in the cylinder, and sealing gasket 4 sets up between cylinder head 2 and turbine casing 1, sealing gasket 4 and cylinder head 2 link together. Specifically, the gasket seal is provided between the connecting portion 12 and the turbine housing 1, and the connecting portion 12, the gasket seal 4, and the cylinder head 2 may be connected together by the double-screw bolts and nuts in the above embodiments. Here, the connection manner between the connection portion 12, the gasket 4, and the cylinder head 2 is not limited.

The supercharger is described in detail in the above embodiments, and will not be described here again.

It should be noted that, the engine provided in this embodiment should further include other components that enable the engine to operate normally, which is not described here.

The engine provided by the embodiment comprises a supercharger, wherein the supercharger comprises a turbine shell, the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. In this embodiment, through improving the turbine casing of booster, make turbine casing can be connected with the cylinder cap, moreover can form spiral case runner and gas passage in turbine casing, the spiral case runner passes through the gas passage and communicates with the exhaust passage in the cylinder, compare in prior art, then need not set up solitary exhaust manifold, thereby need not set up the connection structure who is connected exhaust manifold and booster, for example, be the flange, make the connection between booster and the cylinder cap compacter, thereby make the inner structure of the engine that this embodiment provided compacter, and then be convenient for lay the engine.

The present embodiment also provides a vehicle including the engine in the above embodiment.

It should be noted that, the vehicle provided in this embodiment should further include other components or modules that enable the vehicle to operate normally, which is not described herein.

The vehicle provided by the embodiment comprises an engine, wherein the engine comprises a supercharger, the supercharger comprises a turbine shell, the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure; the main housing defines a volute flow passage therein, the connection housing includes a main body portion and a connection portion connected with the main body portion, the main body portion is connected with the main housing and defines a gas passage therein that communicates with the volute flow passage, the connection portion is configured for connection with a head of a cylinder such that the volute flow passage communicates with an exhaust passage in the cylinder through the gas passage. In this embodiment, through improving the turbine casing of booster, make turbine casing can be connected with the cylinder cap, moreover can form spiral case runner and gas passage in turbine casing, the spiral case runner passes through the gas passage and communicates with the exhaust passage in the cylinder, compare in prior art, then need not set up solitary exhaust manifold, thereby need not set up the connection structure who is connected exhaust manifold and booster, for example, be the flange, make the connection between booster and the cylinder cap more compact, thereby make the inner structure of engine more compact, and then be convenient for lay the engine, then make the performance of the vehicle that this embodiment provided better.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. A supercharger comprising a turbine housing;

the turbine shell comprises a main shell and a connecting shell which are connected, and the main shell and the connecting shell are of an integrated structure;

the connection housing comprises a main body part and a connection part connected with the main body part, wherein the main body part is connected with the main housing, a gas channel communicated with the volute flow channel is defined inside the main body part, and the connection part is configured to be connected with a cylinder cover of a cylinder so that the volute flow channel is communicated with an exhaust channel in the cylinder through the gas channel.

2. The supercharger of claim 1 wherein the exhaust passage is a plurality of, the gas passage comprising a plurality of sub-passages corresponding to the number of exhaust passages, one of the sub-passages being for communication with one of the exhaust passages.

3. The supercharger of claim 2 wherein the plurality of sub-channels meet at an end in communication with the volute flow passage.

4. A supercharger according to any one of claims 1 to 3 wherein the connection portion is located at an end of the main body portion facing the cylinder head and is for releasable connection with the cylinder head.

5. The supercharger according to claim 4, wherein the connecting portion comprises a connecting lug protruding outwardly along an outer wall surface of the main body portion, the connecting lug being provided with a connecting hole for fixedly fitting with a mounting hole on the cylinder head.

6. The supercharger of claim 5 wherein a plurality of the attachment lugs are provided and a plurality of the attachment lugs are spaced apart along the circumference of the body portion.

7. A supercharger according to claim 2 or claim 3 wherein the main body comprises a plurality of connected single housings, each single housing being provided with the connection portion, one of the single housings defining a sub-passage therein, the junction between two adjacent single housings being formed with a connection seam;

the main body part also comprises a first reinforcing part, wherein the first reinforcing part is arranged at the joint of two adjacent single shells and extends along the extending direction of the connecting seam.

8. The supercharger of claim 7 wherein the first reinforcement is provided at the junction of each adjacent two of the single housings;

the main body part also comprises second reinforcing parts, and one end, close to the main shell, of each first reinforcing part is connected with the second reinforcing parts.

9. An engine comprising a cylinder, a gasket seal and the supercharger of any one of claims 1-8;

the cylinder comprises a cylinder cover, an exhaust passage is formed in the cylinder, the sealing gasket is arranged between the cylinder cover and the turbine shell, the sealing gasket and the cylinder cover are connected together.

10. A vehicle comprising the engine of claim 9.