CN114607540B - Intake manifold mounting structure suitable for motorcycle V jar engine - Google Patents
Intake manifold mounting structure suitable for motorcycle V jar engine Download PDFInfo
- Publication number
- CN114607540B CN114607540B CN202210183925.9A CN202210183925A CN114607540B CN 114607540 B CN114607540 B CN 114607540B CN 202210183925 A CN202210183925 A CN 202210183925A CN 114607540 B CN114607540 B CN 114607540B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- intake manifold
- reinforcing plate
- connecting part
- intake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000003014 reinforcing effect Effects 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims 1
- 239000003921 oil Substances 0.000 description 22
- 239000000446 fuel Substances 0.000 description 9
- 239000007921 spray Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/104—Intake manifolds
- F02M35/116—Intake manifolds for engines with cylinders in V-arrangement or arranged oppositely relative to the main shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
- F02M35/10078—Connections of intake systems to the engine
- F02M35/10085—Connections of intake systems to the engine having a connecting piece, e.g. a flange, between the engine and the air intake being foreseen with a throttle valve, fuel injector, mixture ducts or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10111—Substantially V-, C- or U-shaped ducts in direction of the flow path
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
- F02M35/10144—Connections of intake ducts to each other or to another device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10216—Fuel injectors; Fuel pipes or rails; Fuel pumps or pressure regulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
- F02M35/162—Motorcycles; All-terrain vehicles, e.g. quads, snowmobiles; Small vehicles, e.g. forklifts
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses an intake manifold mounting structure suitable for a V-cylinder engine of a motorcycle, which comprises two cylinder heads which are arranged in a V shape and an intake manifold which is arranged in a V-shaped area between the two cylinder heads, wherein the two cylinder heads are respectively provided with an air inlet at one side opposite to the two cylinder heads, an intake pipe connecting seat is formed at the periphery of the air inlet, the intake manifold is provided with connecting ends which are in one-to-one correspondence with the intake pipe connecting seats, and is provided with intake passages which penetrate through the connecting ends, and the connecting ends are fixed to the corresponding intake pipe connecting seats through elastic connecting pieces and are communicated with the air inlets. The invention can effectively make up the assembly gap caused by processing errors and the distance change between the V cylinders caused by thermal expansion of the engine, thereby reducing the assembly difficulty.
Description
Technical Field
The invention relates to the technical field of internal combustion engines, in particular to an air inlet manifold mounting structure suitable for a V-cylinder engine of a motorcycle.
Background
The motorcycle engine adopting the V-cylinder design is attractive in appearance and good in smoothness, so that the motorcycle engine is popular with manufacturers and consumers for a long time, and the space between the independent cylinders is limited and irregular due to the design. In order to ensure the compactness of the whole vehicle structure, in most vehicle types, an air inlet manifold for introducing the oil-gas mixture into the cylinder is arranged in a V-shaped space between the cylinder bodies. Because the installation space is limited, and the joint surface with the cylinder head is inclined, the machining and assembly of the air inlet manifold, the oil injector and other related parts are difficult, in this case, assembly gaps caused by machining errors of parts are unavoidable, and in addition, the thermal expansion of the engine can also cause the change of the distance between the V cylinders, so that the stable operation of the engine is affected.
Disclosure of Invention
In order to solve the problems, the invention provides an air inlet manifold mounting structure suitable for a V-cylinder engine of a motorcycle, which can effectively reduce the assembly difficulty and compensate the assembly gap caused by processing errors and the distance change caused by thermal expansion of the engine.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
The utility model provides an intake manifold mounting structure suitable for motorcycle V jar engine, includes two cylinder heads that are V-arrangement and installs the intake manifold in V-arrangement region between two cylinder heads, two the cylinder head all is equipped with the air inlet in its relative one side to form the intake pipe connecting seat in the air inlet periphery, intake manifold has the link with each intake pipe connecting seat one-to-one, and is equipped with the inlet channel who link up to each link, and each link is fixed to on the intake pipe connecting seat that corresponds through elastic connection spare to with inlet channel and air inlet intercommunication.
According to the structure, even under the condition of larger processing errors of parts, the assembly errors between the air inlet manifold and the cylinder head can be compensated through the elastic connecting piece, so that the on-site assembly during mass production of products is facilitated, in addition, the distance change between the V cylinders caused by thermal expansion of the engine can be compensated, and the running stability of the engine is improved.
Preferably, the elastic connecting piece comprises a first connecting part used for being fixed with the connecting end and a second connecting part used for being butted with the air inlet pipe connecting seat, the second connecting part extends outwards in the radial direction from the far end of the first connecting part, a rigid reinforcing plate is embedded in the inner side of the second connecting part, the elastic connecting piece is fixed to the air inlet pipe connecting seat through a bolt, and the bolt penetrates through the second connecting part and the rigid reinforcing plate and stretches into a corresponding screw hole in the air inlet pipe connecting seat. The structure can facilitate the fixation of the elastic connecting piece and the air inlet manifold and the cylinder head.
Preferably, the first connecting portion and the second connecting portion are both made of plastic materials, the first connecting portion is in a ring shape, a positioning groove is formed in the outer edge of one side of the first connecting portion, which faces the connecting end, and a limiting protrusion matched with the positioning groove is arranged at the connecting end. The first connecting portion adopts the annular design, conveniently utilizes the staple bolt to be fixed the link with first connecting portion, sets up the spacing protruding cooperation of positioning groove and link, can realize spacing to the circumference of elastic connection spare.
Preferably, the circumferential outer edge of the connecting end is provided with a ring groove, the bottom of the ring groove is provided with a conical surface, the first connecting part is embedded into the ring groove, and the shape of the inner wall of the first connecting part is matched with the bottom of the ring groove. According to the above structure, the first connection portion and the connection terminal can be reliably connected.
Preferably, the rigid reinforcing plate and the second connecting part are molded integrally, limiting holes are distributed on the rigid reinforcing plate, the second connecting part is provided with an embedded part embedded into the limiting holes, and the structure improves the bonding strength of the rigid reinforcing plate and the second connecting part while guaranteeing the strength of the first connecting part, so that the sealing performance of the first connecting part after being connected with the cylinder head is guaranteed.
Preferably, the end face of the rigid reinforcing plate is provided with a vent hole matched with the shape of the air inlet, a sealing ring mounting groove is arranged on the radial outer side of the vent hole, and a limiting convex rib is arranged on the side wall of the sealing ring mounting groove. With the structure, when the air vent is in butt joint with the air inlet, the sealing ring can be arranged on the radial periphery, so that the sealing performance is improved.
Preferably, the intake manifold is provided with an oil nozzle mounting opening at a position corresponding to each connecting end, each oil nozzle mounting opening is communicated with an intake passage corresponding to the connecting end so as to mount an oil nozzle of an oil injector, fuel oil is injected into the combustion chamber of the engine through the air inlet, an oil injector fixing seat protruding outwards is arranged at the outer edge of one side of the oil nozzle mounting opening, and a limiting notch is arranged on the oil injector fixing seat, so that the limiting of the oil nozzle is realized.
Preferably, one side of the oil nozzle mounting opening is provided with an oil rail fixing seat protruding outwards, the end part of the oil rail fixing seat is provided with a limit flat square, and according to the structure, the oil rail of the oil sprayer can be limited by the oil rail fixing seat and the flat square, so that the oil sprayer is further convenient to mount and position.
The beneficial effects are that:
The mounting structure of the intake manifold, which is suitable for the motorcycle V-cylinder engine, can effectively make up for the assembly gap caused by processing errors and the distance change between the V cylinders caused by thermal expansion of the engine, thereby reducing the assembly difficulty.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a side view of a cylinder head;
FIG. 3 is a perspective view of an intake manifold;
fig. 4 is a perspective view of the intake manifold viewed from another direction;
FIG. 5 is a perspective view of the resilient connecting element;
FIG. 6 is a schematic view of the elastic connection from the side of the rigid stiffener;
FIG. 7 is a schematic structural view of a rigid reinforcing plate;
FIG. 8 is a schematic view of the second connection portion from the side after the rigid reinforcement plate is removed;
fig. 9 is a schematic view of the structure of the injector after it is mounted to the intake manifold.
Detailed Description
The present invention is further described below with reference to examples and drawings, and the following embodiments are examples for illustrating the present invention, but the present invention is not limited to the embodiments.
An intake manifold mounting structure for a V-cylinder engine of a motorcycle, as shown in fig. 1 to 4, comprises two cylinder heads 1 arranged in a V-shape and an intake manifold 2 installed in a V-shaped area between the two cylinder heads 1, and only the structure of the side of the cylinder head 1 connected to the intake manifold 2 is shown with a part of the body of the cylinder head 1 omitted for convenience of illustration.
Fig. 2 shows a specific construction of the side face of the cylinder head 1, in which the side face of the cylinder head 1 is provided with an intake pipe connecting seat 11 for connecting the intake manifold 2, the intake pipe connecting seat 11 has a substantially smooth planar structure, an intake port 1a is provided in the middle for guiding the air-fuel mixture introduced by the intake manifold 2 into the engine combustion chamber, three screw holes 1b are provided in the periphery of the intake pipe connecting seat 11 for fixing the intake manifold 2, one side end face of the two cylinder heads 1 provided with the intake pipe connecting seat 11 constitutes the peripheral outline of the above-mentioned V-shaped region, and the intake pipe connecting seats 11 on the two cylinder heads 1 are inclined along the outer edge of the V-shaped region when mounted to the engine.
Fig. 3 and 4 show the specific structure of the intake manifold 2 in this embodiment from different angles, the intake manifold 2 is integrally formed by adopting a metal material such as aluminum alloy, and has two mutually independent intake passages 2a inside, two intake inlets 2d are provided at the upper end for connecting the intake pipes, two connection ends 21 are formed by tilting the lower end to both sides, and intake outlets 2e are provided respectively, the tilting amplitude of the connection ends 21 is substantially the same as that of the intake pipe connection seat 11 on the cylinder head 1, the two intake passages 2a are respectively communicated with the intake inlets 2d at the upper end to the corresponding intake outlets 2e at the lower end, so that independent intake of the two cylinder heads 1 is realized, and after the intake manifold 2 is connected between the two cylinder heads 1, the intake inlets 2d face vertically upwards, and the two connection ends 21 correspond to the positions of the intake pipe connection seats 11 on the two cylinder heads 1.
As can be seen in connection with fig. 1, the two connection ends 21 of the intake manifold 2 are fastened to the corresponding intake manifold connection blocks 11 by means of the elastic connection pieces 3 and 3 bolts which extend through the elastic connection pieces 3 into corresponding screw holes 1b in the intake manifold connection blocks 11.
Fig. 5 and 6 are schematic structural views of the elastic connecting member 3, and it can be seen that the elastic connecting member 3 includes a first connecting portion 31 having a substantially annular structure and a second connecting portion 32 extending radially outwardly from one side end surface of the first connecting portion 31, wherein the first connecting portion 31 is adapted to be connected to the connecting end 21 of the intake manifold 2, and the second connecting portion 32 is adapted to be butt-fixed to the intake pipe connecting seat 11 of the cylinder head 1.
The first connecting portion 31 and the second connecting portion 32 are integrally injection molded from plastic material, and have appropriate strength and certain elastic deformability, and a rigid reinforcing plate 33 made of metal material is embedded inside the second connecting portion 32.
Fig. 7 and 8 show the structures of the rigid reinforcing plate 33 and the second connecting portion 32, respectively, the rigid reinforcing plate 33 is substantially plate-shaped and is formed by processing a metal material with proper strength, the end surface of the rigid reinforcing plate 33 is provided with a vent hole 33a matched with the shape of the air inlet 1a on the cylinder head 1, the circumferential outer edge of the rigid reinforcing plate is provided with a bolt hole 33b for a bolt to pass through, the radial outer side of the vent hole 33a is provided with a sealing ring mounting groove 331, and the side wall of the sealing ring mounting groove 331 is provided with a limit rib 332 so as to facilitate the mounting of the sealing ring to improve the sealing performance when being connected to the air inlet pipe connecting seat 11.
In this embodiment, the rigid reinforcing plate 33 is directly molded with the second connecting portion 32, the end surface of the second connecting portion 32 on one side far from the first connecting portion 31 is provided with a profiling groove 32a for receiving the rigid reinforcing plate 33, 3 through holes 32b for bolts to pass through are provided near the circumferential outer side of the profiling groove 32a, and a flange 321 matching with the shape of the inner hole of the vent hole 33a is further provided at the center of the second connecting portion 32, so that the rigid reinforcing plate 33 is covered in the profiling groove 32a, and the surface of the rigid reinforcing plate 33 and the vent hole 33a are exposed. A plurality of limiting holes 3b are distributed on the rigid reinforcing plate 33, the limiting holes 3b are in a step shape, the second connecting portion 32 is provided with an embedded portion 322 matched with the limiting holes 3b in shape, and after the second connecting portion 32 is molded on the rigid reinforcing plate 33, the embedded portion 322 is embedded into the corresponding limiting hole 3b, so that the bonding strength is further improved.
The shape of the connecting end 21 is matched with that of the first connecting portion 31, a ring groove 23 is formed at the circumferential outer edge of the connecting end 21, when the elastic connecting member 3 is connected with the connecting end 21, the first connecting portion 31 is at least partially embedded in the ring groove 23, and one side of the bottom of the ring groove 23 adjacent to the first connecting portion 31 is configured as a conical surface 23a, so that the first connecting portion 31 is connected with the connecting end 21 more tightly. Based on the annular configuration of the first connecting portion 31, a hoop may be provided on the outside when connected to the connecting end 21 to secure the connection strength.
In order to prevent relative rotation between the first connecting portion 31 and the connecting end 21 in engine working engineering, a positioning groove 3a is formed on the outer edge of one side of the first connecting portion 31 facing the connecting end 21, the positioning groove 3a is formed on a convex column 311 extending outwards from the axial direction of the first connecting portion 31, a limiting protrusion 22 matched with the positioning groove 3a is arranged on the outer edge of the connecting end 21, after the connecting end 21 of the first connecting portion 31 and the air inlet manifold 2 is fixed, the limiting protrusion 22 is clamped into the positioning groove 3a, circumferential limitation of the elastic connecting piece 3 is achieved, and ideal connecting strength can be obtained by matching with a hoop.
By means of the elastic deformation capability of the first connecting portion 31 and the second connecting portion 32, even if the machining error of the joint portion of the intake manifold 2 and the cylinder head 1 is large, the elastic connecting piece 3 can still ensure reliable connection with the cylinder head 1 and the intake manifold 2, so that the manufacturing and assembling difficulty is effectively reduced. At the same time, the distance change between the V cylinders due to the thermal expansion of the engine can also be absorbed by the elastic connection 3, thus ensuring stable operation of the engine.
As shown in fig. 3 and 4, in order to facilitate the installation of the fuel injector 5, a fuel injector mounting port 2b is provided in the intake manifold 2 at a position corresponding to each of the connection terminals 21, respectively, and the fuel injector mounting port 2b penetrates to the intake outlet 2e of the connection terminal 21 so as to communicate with the corresponding intake passage 2 a.
The above-mentioned spacing protrusion 22 is formed on the outer edge of one side of the fuel spray nozzle mounting opening 2b, and the outer edge of the other side of the fuel spray nozzle mounting opening 2b is equipped with an outwardly protruding fuel spray nozzle fixing seat 24, and the top end of the fuel spray nozzle fixing seat 24 is equipped with a spacing notch 2c. One side of the oil nozzle mounting opening 2b is provided with an oil rail fixing seat 25 protruding outwards, and the end part of the oil rail fixing seat 25 is provided with a limit flat square 26.
Fig. 9 shows a schematic view of the injector 5 after it has been mounted to the intake manifold 2, with the cylinder head 1 and the elastomeric joint 3 hidden for ease of illustration. It can be seen that the two injectors 5 are correspondingly installed at the positions, adjacent to the two connecting ends 21, of the intake manifold 2, each injector 5 comprises an injector nozzle 51 and an oil rail 52, the end part of the injector nozzle 51 extends into the injector nozzle installation opening 2b to inject fuel towards the intake passage 2a adjacent to the intake port 1a, the circumferential outer edge of the injector nozzle is provided with a protruding part 53, the protruding part 53 is embedded into a limiting notch 2c on the injector fixing seat 24, positioning of the injector nozzle 51 is achieved, and the oil rail 51 is supported on the oil rail fixing seat 25 and is limited by a limiting flat square 26.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and that many similar changes can be made by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
1. The utility model provides an intake manifold mounting structure suitable for motorcycle V jar engine, includes two cylinder heads (1) that are V-arrangement and installs intake manifold (2) in V-arrangement region between two cylinder heads (1), two cylinder heads (1) all are equipped with air inlet (1 a) in its opposite side to form intake pipe connecting seat (11) at air inlet (1 a) periphery, its characterized in that: the air inlet manifold (2) is provided with connecting ends (21) which are in one-to-one correspondence with the air inlet pipe connecting seats (11), and is provided with air inlet channels (2 a) which are communicated with the connecting ends (21), the connecting ends (21) are fixed on the corresponding air inlet pipe connecting seats (11) through elastic connecting pieces (3), and the air inlet channels (2 a) are communicated with the air inlets (1 a);
The elastic connecting piece (3) comprises a first connecting part (31) used for being fixed with the connecting end (21) and a second connecting part (32) used for being butted with the air inlet pipe connecting seat (11), the second connecting part (32) extends outwards along the radial direction from the far end of the first connecting part (31), a rigid reinforcing plate (33) is embedded inside the second connecting part (32), the elastic connecting piece (3) is fixed on the air inlet pipe connecting seat (11) through a bolt, and the bolt penetrates through the second connecting part (32) and the rigid reinforcing plate (33) and stretches into a corresponding screw hole (1 b) on the air inlet pipe connecting seat (11);
The end face of the rigid reinforcing plate (33) is provided with a vent (33 a) matched with the air inlet (1 a), a sealing ring mounting groove (331) is formed in the radial outer side of the vent (33 a), and a limiting convex rib (332) is formed in the side wall of the sealing ring mounting groove (331);
The rigidity reinforcing plate (33) is directly moulded plastics as an organic wholely with second connecting portion (32), one side terminal surface that second connecting portion (32) kept away from first connecting portion (31) is equipped with profile modeling groove (32 a) that are used for acceping rigidity reinforcing plate (33), be close to the position of profile modeling groove (32 a) circumference outside and be equipped with through-hole (32 b) that supplies the bolt to pass through, the center of second connecting portion (32) still is equipped with vent port (33 a) hole shape assorted flange (321), it is step form to distribute a plurality of spacing hole (3 b) on rigidity reinforcing plate (33), spacing hole (3 b) are equipped with embedding portion (322) with spacing hole (3 b) shape assorted, after second connecting portion (32) are moulded on rigidity reinforcing plate (33), embedding portion (322) are embedded in corresponding spacing hole (3 b) in order to further improve bonding strength.
2. The intake manifold mounting structure for a V-cylinder engine of a motorcycle according to claim 1, wherein: the first connecting part (31) and the second connecting part (32) are made of plastic, the first connecting part (31) is in a circular ring shape, a positioning groove (3 a) is formed in the outer edge of one side of the first connecting part, which faces the connecting end (21), and a limiting protrusion (22) which is matched with the positioning groove (3 a) is arranged at the connecting end (21).
3. The intake manifold mounting structure for a V-cylinder engine of a motorcycle according to claim 2, wherein: the circumferential outer edge of the connecting end (21) is provided with a ring groove (23), the bottom of the ring groove (23) is provided with a conical surface (23 a), the first connecting part (31) is embedded into the ring groove (23), and the shape of the inner wall of the first connecting part (31) is matched with the bottom of the ring groove (23).
4. The intake manifold mounting structure for a V-cylinder engine of a motorcycle according to claim 1, wherein: the rigid reinforcing plate (33) and the second connecting portion (32) are integrally molded, limiting holes (3 b) are distributed in the rigid reinforcing plate (33), and the second connecting portion (32) is provided with an embedded portion (322) embedded into the limiting holes (3 b).
5. The intake manifold mounting structure for a V-cylinder engine of a motorcycle according to claim 1, wherein: the intake manifold (2) is provided with an oil nozzle mounting opening (2 b) at the position corresponding to each connecting end (21), each oil nozzle mounting opening (2 b) is communicated with an intake passage (2 a) corresponding to the connecting end (21), an oil nozzle fixing seat (24) protruding outwards is arranged on the outer edge of one side of each oil nozzle mounting opening (2 b), and a limiting notch (2 c) is arranged on each oil nozzle fixing seat (24).
6. The intake manifold mounting structure for a V-cylinder engine of a motorcycle according to claim 5, wherein: an oil rail fixing seat (25) protruding outwards is arranged on one side of the oil nozzle mounting opening (2 b), and a limit flat square (26) is arranged at the end part of the oil rail fixing seat (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210183925.9A CN114607540B (en) | 2022-02-28 | 2022-02-28 | Intake manifold mounting structure suitable for motorcycle V jar engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210183925.9A CN114607540B (en) | 2022-02-28 | 2022-02-28 | Intake manifold mounting structure suitable for motorcycle V jar engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607540A CN114607540A (en) | 2022-06-10 |
| CN114607540B true CN114607540B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210183925.9A Active CN114607540B (en) | 2022-02-28 | 2022-02-28 | Intake manifold mounting structure suitable for motorcycle V jar engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN114607540B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901681A (en) * | 1988-08-26 | 1990-02-20 | General Motors Corporation | Motion isolated engine manifold |
| JPH11132121A (en) * | 1997-10-29 | 1999-05-18 | Kawasaki Heavy Ind Ltd | Intake manifold for v type two cylinder engine |
| US5933950A (en) * | 1996-07-15 | 1999-08-10 | Nissan Motor Co., Ltd. | Method of fastening intake manifold in internal combustion engine having two cylinder banks |
| CN101205832A (en) * | 2006-12-22 | 2008-06-25 | 本田技研工业株式会社 | V-type engine |
| CN201771650U (en) * | 2010-09-10 | 2011-03-23 | 力帆实业(集团)股份有限公司 | V-shaped double-cylinder engine gas inlet pipe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10041484B4 (en) * | 2000-08-24 | 2007-02-01 | Dr.Ing.H.C. F. Porsche Ag | Internal combustion engine, in particular for motorcycles |
| JP5064537B2 (en) * | 2010-07-27 | 2012-10-31 | 株式会社サンダンスエンタープライズ | Flange for intake manifold |
-
2022
- 2022-02-28 CN CN202210183925.9A patent/CN114607540B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901681A (en) * | 1988-08-26 | 1990-02-20 | General Motors Corporation | Motion isolated engine manifold |
| US5933950A (en) * | 1996-07-15 | 1999-08-10 | Nissan Motor Co., Ltd. | Method of fastening intake manifold in internal combustion engine having two cylinder banks |
| JPH11132121A (en) * | 1997-10-29 | 1999-05-18 | Kawasaki Heavy Ind Ltd | Intake manifold for v type two cylinder engine |
| CN101205832A (en) * | 2006-12-22 | 2008-06-25 | 本田技研工业株式会社 | V-type engine |
| CN201771650U (en) * | 2010-09-10 | 2011-03-23 | 力帆实业(集团)股份有限公司 | V-shaped double-cylinder engine gas inlet pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114607540A (en) | 2022-06-10 |
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