CN108266283B - Supercharged engine cylinder body and automobile engine - Google Patents
Supercharged engine cylinder body and automobile engine Download PDFInfo
- Publication number
- CN108266283B CN108266283B CN201810102601.1A CN201810102601A CN108266283B CN 108266283 B CN108266283 B CN 108266283B CN 201810102601 A CN201810102601 A CN 201810102601A CN 108266283 B CN108266283 B CN 108266283B
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- mounting structure
- crankcase body
- screw holes
- branch pipe
- crankcase
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- 230000007704 transition Effects 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 3
- 229910001018 Cast iron Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supercharger (AREA)
Abstract
The invention provides a supercharged engine cylinder body and an automobile engine, and relates to the technical field of automobile engines. The second mounting structure is fixedly connected to one side of the crankcase body, which is close to the exhaust branch pipe, and is close to the first mounting structure. The third mounting structure is fixedly connected to one side of the crankcase body, which is close to the air inlet branch pipe. Compared with the prior art, the supercharged engine cylinder body provided by the invention can be provided with the supercharging device, so that the air entering mode is changed from passive mode to active mode, the engine power can be improved, and the oil consumption can be reduced.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a supercharged engine cylinder body and an automobile engine.
Background
With the development of productivity, automobiles are increasingly important in people's daily lives. Meanwhile, the requirements on the performance of the automobile are higher and higher, besides the requirements on the general dynamic property and economical efficiency, the requirements on the emission of the engine are also stricter and stricter in consideration of the influence on the environment.
Meanwhile, in the prior art, natural air intake is often adopted, the engine cylinder body sucks air by means of vacuum, and as the volume of the cylinder is fixed and the air sucked by means of vacuum has a certain limit, the air intake efficiency of the engine has an upper limit, so that the engine power is difficult to lift, and the defects of high oil consumption, insufficient altitude compensation and the like are brought.
In view of this, it is important to design and manufacture a supercharged engine block capable of installing a supercharging device so as to change the air intake mode from passive to active.
Disclosure of Invention
The invention aims to provide a supercharging engine cylinder body, which can be provided with a supercharging device, so that the air entering mode is changed from passive mode to active mode, and the engine power can be improved, and the oil consumption can be reduced.
In order to achieve the above object, the present invention is realized by the following technical scheme.
The supercharged engine cylinder body comprises a crankcase body, a first mounting structure, a second mounting structure and a third mounting structure, wherein an air inlet branch pipe and an air outlet branch pipe are arranged on the crankcase body, the air inlet branch pipe and the air outlet branch pipe are oppositely arranged on two sides of the crankcase body, and the first mounting structure is fixedly connected to one side, close to the air outlet branch pipe, of the crankcase body and used for being connected with a turbine; the second mounting structure is fixedly connected to one side of the crankcase body, which is close to the exhaust branch pipe, and is close to the first mounting structure and used for being connected with the supercharging pressure limiting valve; the third mounting structure is fixedly connected to one side, close to the air inlet branch pipe, of the crankcase body and used for being connected with the air compressor.
Further, a plurality of first screw holes are formed in the top portion, away from the crankcase body, of the first mounting structure, so that the turbine is connected to the first mounting structure through bolts.
Further, the first mounting structure is T-shaped, and a plurality of first screw holes are uniformly distributed on the first mounting structure.
Further, two second screw holes are formed in the top portion, away from the crankcase body, of the second mounting structure, so that the boost pressure limiting valve is connected to the second mounting structure through bolts.
Further, the second mounting structure is rectangular strip-shaped.
Further, the third mounting structure comprises a boss and a transition plate, the boss is fixedly connected to the crankcase body, two third screw holes are formed in the boss away from the top of the crankcase body, two fourth screw holes are formed in the transition plate, the two fourth screw holes are opposite to the two third screw holes, the transition plate is connected to the boss through bolts, and the transition plate is further used for being connected with a gas compressor.
Further, the boss is diamond-shaped, and two third screw holes are oppositely arranged at opposite angles.
Further, the top of boss keeping away from the crankcase body has still seted up the through-hole, and the through-hole communicates with the inside of crankcase body.
Compared with the prior art, the supercharged engine cylinder body has the following beneficial effects:
the invention provides a supercharged engine cylinder body, which is characterized in that an air inlet branch pipe and an air outlet branch pipe are arranged on a crankcase body, the air inlet branch pipe and the air outlet branch pipe are oppositely arranged on two sides of the crankcase body, and a first mounting structure is fixedly connected to one side of the crankcase body close to the air outlet branch pipe. The second mounting structure is fixedly connected to one side of the crankcase body, which is close to the exhaust branch pipe, and is close to the first mounting structure. The third mounting structure is fixedly connected to one side of the crankcase body, which is close to the air inlet branch pipe. When the engine is installed, the turbine is installed on the first installation structure, the supercharging pressure limiting valve is installed on the second installation structure, and the air compressor is installed on the third installation structure, so that a stable supercharging system is formed, an air inlet mode of the engine cylinder body is changed from passive mode to active mode, air inlet efficiency is improved, and power of the engine is further improved.
The invention provides a supercharged engine cylinder body, which is characterized in that a plurality of first screw holes are formed in a first mounting structure, two second screw holes are formed in a second mounting structure, two third screw holes are formed in a boss, two fourth screw holes are formed in a transition plate, a turbine is mounted on the first mounting structure through bolts, a supercharging pressure limiting valve is connected on the second mounting structure through bolts, the transition plate is connected on the boss through bolts, and a gas compressor is connected on the transition plate. The turbine, the boost pressure limiting valve and the compressor are firmly connected and conveniently detached in a bolt connection mode.
The invention further aims to provide an automobile engine which is high in air inlet efficiency, oil-saving and high in comprehensive performance.
The utility model provides an automobile engine, includes supercharging device, crankcase ventilation interface and supercharged engine cylinder body, supercharged engine cylinder body includes the crankcase body, first mounting structure, second mounting structure and third mounting structure, is provided with air inlet branch and exhaust branch on the crankcase body, and air inlet branch and exhaust branch set up in the both sides of the crankcase body relatively, and first mounting structure fixed connection is close to one side of exhaust branch in the crankcase body. The second mounting structure is fixedly connected to one side of the crankcase body, which is close to the exhaust branch pipe, and is close to the first mounting structure. The third mounting structure is fixedly connected to one side of the crankcase body, which is close to the air inlet branch pipe. The supercharging device is connected to the first mounting structure, the second mounting structure and the third mounting structure respectively, one end of the crankcase ventilation interface connection is connected to the third mounting structure, and the other end is connected to the air inlet branch pipe.
Further, the supercharging device comprises a turbine, a supercharging pressure limiting valve and a compressor, wherein the turbine is detachably connected to the first mounting structure, the supercharging pressure limiting valve is detachably connected to the second mounting structure, and the compressor is detachably connected to the third mounting structure.
Compared with the prior art, the automobile engine has the following beneficial effects:
by connecting the supercharging device and the crankcase ventilation interface on the supercharged engine cylinder body, air can be actively sprayed into the engine cylinder body through the supercharging device, so that the air inlet efficiency of the automobile engine is improved, the power of the automobile engine is further improved, and the oil consumption is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a first view angle of a supercharged engine block according to a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view of a supercharged engine block according to the first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third view of a supercharged engine cylinder according to the first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth view of a supercharged engine block according to the first embodiment of the present invention;
fig. 5 is a schematic structural diagram of an automobile engine according to a second embodiment of the present invention.
Icon: 100-supercharging type engine cylinder; 110-a crankcase body; 111-an air inlet branch pipe; 113-an exhaust branch pipe; 130-a first mounting structure; 131-a first screw hole; 150-a second mounting structure; 151-second screw holes; 170-a third mounting structure; 171-boss; 173-a third screw hole; 175-a through hole; 200-an automobile engine; 210-supercharging device; 211-a turbine; 213-boost pressure limiting valve; 215-compressor.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present invention, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in place when the inventive product is used, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present invention are described in detail below with reference to the accompanying drawings. Features of the embodiments described below may be combined with each other without conflict.
First embodiment
The engine cylinder is an important component part of an automobile engine, and is usually made of cast iron, aluminum or other alloy materials and used as a combustion chamber and a crankcase of the engine, in the prior art, the engine cylinder is provided with an air inlet, air is sucked into the combustion chamber for ignition combustion, and is taken in a conventional natural air intake mode through a vacuumizing mode, so that the air inlet amount is small and quite depends on the volume of the engine cylinder, and the engine cylinder is inconvenient to manufacture and install for a small-sized automobile.
Referring to fig. 1 to 4 in combination, the supercharged engine block 100 provided in this embodiment includes a crankcase 110, a first mounting structure 130, a second mounting structure 150 and a third mounting structure 170, an intake manifold 111 and an exhaust manifold 113 are provided on the crankcase 110, the intake manifold 111 and the exhaust manifold 113 are relatively provided on two sides of the crankcase 110, and the first mounting structure 130 is fixedly connected to one side of the crankcase 110 close to the exhaust manifold 113 for connecting a turbine. The second mounting structure 150 is fixedly coupled to a side of the crankcase body 110 adjacent to the exhaust branch 113 and adjacent to the first mounting structure 130 for coupling a boost pressure limiting valve. The third mounting structure 170 is fixedly coupled to a side of the crankcase body 110 adjacent to the intake manifold 111 for coupling to a compressor.
In the present embodiment, the crankcase body 110 is made of cast iron, and the first, second, and third mounting structures 130, 150, and 170 are welded to the crankcase body 110. Of course, the crankcase body 110 may be made of aluminum or alloy, and the first mounting structure 130, the second mounting structure 150, and the third mounting structure 170 may be integrally formed with the crankcase body 110, which is not particularly limited herein.
The first mounting structure 130 is provided with a plurality of first screw holes 131 at a top portion remote from the crankcase body 110 so that the turbine is coupled to the first mounting structure 130 by bolts, and the first mounting structure 130 plays a role of supporting and fixing the turbine. Specifically, the extending directions of the plurality of first screw holes 131 are parallel to each other.
In this embodiment, the number of the first screw holes 131 is 5, and 5 screw holes are uniformly distributed on the first mounting structure 130, however, the number of the first screw holes 131 is not limited to 5, but may be 4 or 6, and the like, and is not particularly limited herein.
In this embodiment, the first mounting structure 130 is T-shaped, and the plurality of first screw holes 131 are uniformly distributed on the first mounting structure 130. Specifically, the first mounting structure 130 includes a first mounting portion and a second mounting portion, the first mounting portion and the second mounting portion are perpendicular to each other, 3 of the 5 screw holes are distributed on the first mounting portion, and 2 of the 5 screw holes are distributed on the second mounting portion, so that connection with the turbine from a plurality of mounting positions is facilitated.
It should be noted that the first mounting structure 130 is not limited to be T-shaped, but may be elongated or bent, and is not limited thereto.
Two second screw holes 151 are opened at the top of the second mounting structure 150 away from the crankcase body 110 so that the boost pressure limiting valve is coupled to the second mounting structure 150 by bolts. The second mounting structure 150 functions to support and secure the boost pressure limiting valve.
In this embodiment, the second mounting structure 150 has a rectangular strip shape. Two second screw holes 151 are symmetrically provided at both end edges of the second mounting structure 150. Specifically, the extending directions of the two second screw holes 151 are parallel to each other and to the extending direction of the first screw hole 131.
It should be noted that the second mounting structure 150 is not limited to be rectangular, but may be diamond-shaped or cylindrical, and the like, and is not limited thereto.
The third mounting structure 170 comprises a boss 171 and a transition plate, the boss 171 is fixedly connected to the crankcase body 110, two third screw holes 173 are formed in the boss 171 away from the top of the crankcase body 110, two fourth screw holes are formed in the transition plate, the two fourth screw holes are opposite to the two third screw holes 173, the transition plate is connected to the boss 171 through bolts, and the transition plate is further used for being connected with a compressor.
In this embodiment, the boss 171 has a diamond-like columnar shape, and two third screw holes 173 are disposed opposite to each other at opposite angles. Of course, the boss 171 may have other shapes such as a rectangular column shape or a cylindrical shape, and the specific shape thereof is not particularly limited herein.
Further, a through hole 175 is formed in the top of the boss 171 away from the crankcase body 110, and the through hole 175 communicates with the interior of the crankcase body 110. The boss 171 plays a role in communication at this time.
In summary, the present embodiment provides a supercharged engine cylinder 100, in which an intake manifold 111 and an exhaust manifold 113 are disposed on a crankcase 110, the intake manifold 111 and the exhaust manifold 113 are disposed on two opposite sides of the crankcase 110, and a first mounting structure 130 is fixedly connected to one side of the crankcase 110 near the exhaust manifold 113. The second mounting structure 150 is fixedly coupled to a side of the crankcase body 110 adjacent to the exhaust manifold 113 and adjacent to the first mounting structure 130. The third mounting structure 170 is fixedly coupled to a side of the crankcase body 110 adjacent to the intake manifold 111. During installation, the turbine is installed on the first installation structure 130, the boost pressure limiting valve is installed on the second installation structure 150, and the compressor is installed on the third installation structure 170, so that a stable boost system is formed, the air inlet mode of the engine cylinder body is changed from passive mode to active mode, the air inlet efficiency is improved, and the power of the engine is further improved. Meanwhile, a plurality of first screw holes 131 are formed in the first mounting structure 130, two second screw holes 151 are formed in the second mounting structure 150, two third screw holes 173 are formed in the boss 171, two fourth screw holes are formed in the transition plate, a turbine is mounted on the first mounting structure 130 through bolts, a supercharging pressure limiting valve is connected on the second mounting structure 150 through bolts, the transition plate is connected on the boss 171 through bolts, and a compressor is connected on the transition plate. The turbine, the boost pressure limiting valve and the compressor are firmly connected and conveniently detached in a bolt connection mode. Compared with the prior art, the supercharged engine cylinder 100 provided by the invention can be provided with a supercharging device, so that the air entering mode is changed from passive mode to active mode, the engine power can be improved, and the oil consumption can be reduced.
Second embodiment
Referring to fig. 5, the present embodiment provides an automobile engine 200 including a supercharging device 210, a crankcase ventilation interface (not shown), and a supercharged engine block 100, wherein the basic structure and principle of the supercharged engine block 100 and the technical effects produced are the same as those of the first embodiment, and for brevity, reference is made to the corresponding matters in the first embodiment.
The present embodiment provides an automobile engine 200, including supercharging device 210, crankcase ventilation interface and supercharged engine cylinder block 100, supercharged engine cylinder block 100 includes crankcase body 110, first mounting structure 130, second mounting structure 150 and third mounting structure 170, is provided with air inlet branch pipe 111 and air outlet branch pipe 113 on the crankcase body 110, and air inlet branch pipe 111 and air outlet branch pipe 113 set up in the both sides of crankcase body 110 relatively, and first mounting structure 130 fixed connection is in the one side that is close to air outlet branch pipe 113 of crankcase body 110. The second mounting structure 150 is fixedly coupled to a side of the crankcase body 110 adjacent to the exhaust manifold 113 and adjacent to the first mounting structure 130. The third mounting structure 170 is fixedly coupled to a side of the crankcase body 110 adjacent to the intake manifold 111. The supercharging device 210 is connected to the first mounting structure 130, the second mounting structure 150, and the third mounting structure 170, respectively, and one end of the crankcase ventilation interface connection is connected to the third mounting structure 170, and the other end is connected to the intake manifold 111.
The supercharging device 210 includes a turbine 211, a supercharging pressure limiting valve 213, and a compressor 215, the turbine 211 is detachably connected to the first mounting structure 130, the supercharging pressure limiting valve 213 is detachably connected to the second mounting structure 150, and the compressor 215 is detachably connected to the third mounting structure 170.
According to the automobile engine 200 provided by the invention, the supercharging device 210 and the crankcase ventilation interface are connected to the supercharging device 100, so that air can be actively injected into the engine cylinder through the supercharging device 210, the air inlet efficiency of the automobile engine 200 is improved, the power of the automobile engine 200 is further improved, and the oil consumption is reduced.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The supercharged engine cylinder body is characterized by comprising a crankcase body, a first mounting structure, a second mounting structure and a third mounting structure, wherein an air inlet branch pipe and an air outlet branch pipe are arranged on the crankcase body, the air inlet branch pipe and the air outlet branch pipe are oppositely arranged on two sides of the crankcase body, and the first mounting structure is fixedly connected to one side, close to the air outlet branch pipe, of the crankcase body and used for being connected with a turbine; the second mounting structure is fixedly connected to one side of the crankcase body, which is close to the exhaust branch pipe, and is close to the first mounting structure, and is used for connecting a supercharging pressure limiting valve; the third mounting structure is fixedly connected to one side, close to the air inlet branch pipe, of the crankcase body and is used for being connected with a compressor;
two second screw holes are formed in the top of the second mounting structure, which is far away from the crankcase body, so that the supercharging pressure limiting valve is connected to the second mounting structure through bolts;
the third mounting structure comprises a boss and a transition plate, the boss is fixedly connected to the crankcase body, two third screw holes are formed in the boss, far away from the top of the crankcase body, two fourth screw holes are formed in the transition plate, the two fourth screw holes are opposite to the two third screw holes, the transition plate is connected to the boss through bolts, and the transition plate is further used for being connected with the air compressor;
the boss is kept away from the top of crankcase body has still seted up the through-hole, the through-hole with the inside intercommunication of crankcase body.
2. The supercharged engine block of claim 1, wherein said first mounting structure defines a plurality of first screw holes remote from a top of said crankcase body for bolting said turbine to said first mounting structure.
3. The supercharged engine block of claim 2, wherein said first mounting structure is T-shaped and a plurality of said first screw holes are evenly distributed on said first mounting structure.
4. The supercharged engine block of claim 1, wherein said second mounting structure is rectangular bar-like.
5. The supercharged engine block of claim 1, wherein said boss is diamond-shaped with two of said third screw holes being oppositely disposed at opposite corners.
6. An automobile engine, comprising a supercharging device, a crankcase ventilation interface and a supercharging engine cylinder body according to any one of claims 1 to 5, wherein the supercharging device is respectively connected to the first mounting structure, the second mounting structure and the third mounting structure, one end of the crankcase ventilation interface is connected to the third mounting structure, and the other end is connected to the air inlet branch pipe.
7. The automotive engine of claim 6, wherein the supercharging device includes a turbine that is detachably connected to the first mounting structure, a supercharging pressure limiting valve that is detachably connected to the second mounting structure, and a compressor that is detachably connected to the third mounting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102601.1A CN108266283B (en) | 2018-02-01 | 2018-02-01 | Supercharged engine cylinder body and automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102601.1A CN108266283B (en) | 2018-02-01 | 2018-02-01 | Supercharged engine cylinder body and automobile engine |
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| Publication Number | Publication Date |
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| CN108266283A CN108266283A (en) | 2018-07-10 |
| CN108266283B true CN108266283B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810102601.1A Active CN108266283B (en) | 2018-02-01 | 2018-02-01 | Supercharged engine cylinder body and automobile engine |
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