CN111120143A - Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle - Google Patents
Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle Download PDFInfo
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- CN111120143A CN111120143A CN201911265052.0A CN201911265052A CN111120143A CN 111120143 A CN111120143 A CN 111120143A CN 201911265052 A CN201911265052 A CN 201911265052A CN 111120143 A CN111120143 A CN 111120143A
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- chain wheel
- wheel shell
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- suspension bracket
- water pump
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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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
- F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/348—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
A split timing chain wheel shell of a detachable suspension bracket of a plug-in hybrid electric vehicle is characterized in that a suspension bracket is arranged on a chain wheel shell body, the chain wheel shell body and the suspension bracket are fixed by a suspension bracket bolt, and a front oil seal is arranged in a crankshaft extending hole at the lower part of the chain wheel shell body; the upper part of the sprocket wheel shell body is provided with two electromagnet mounting holes which are symmetrically distributed and have consistent aperture size; two electromagnet bolt holes are respectively arranged around each electromagnet mounting hole, and the centers of the two electromagnet bolt holes and the center of the electromagnet mounting hole are on the same straight line; the lower part of the chain wheel shell body is provided with a crankshaft extending hole, and a front oil seal for sealing the engine oil at the front end of the crankshaft is press-fitted in the crankshaft extending hole in an interference fit manner. The invention saves the manufacturing cost, shortens the manufacturing period, improves the production efficiency, is convenient and quick, improves the test efficiency and the test effect, is well sealed with the cylinder head cover and the oil pan, and is applied to the technical field of automobile engines.
Description
Technical Field
The invention relates to a split type timing chain wheel shell of a detachable suspension bracket of a plug-in hybrid electric vehicle in the technical field of automobile engines.
Background
In recent years, timing chain wheel housings have become an important component of automotive engines, and have a main function of separating an internal timing chain transmission mechanism of the engine from the external environment, preventing external dust from entering and internal lubricating oil from leaking, and simultaneously playing a role in blocking and absorbing noise generated when an internal timing chain works. With the expansion of the automobile market and the continuous increase of the automobile consumption, the arrangement mode of the internal structure of the automobile presents a diversified development trend. As an important component part for connecting a whole vehicle framework and an engine, when the same engine is matched with different vehicle types, the suspension bracket is different, and the suspension bracket is also changed at different stages of engine research and development. The suspension support of the existing timing chain wheel shell and the chain wheel shell body are of an integrated structure, and due to the complexity of the reinforcing ribs in the timing chain wheel shell, the manufacturing mold can only be an integrated mold and cannot be a split mold. When the engine is matched with different suspension supports, the whole timing chain wheel shell mold needs to be modified, so that the time is wasted, and the production cost is increased. In addition, when the engine is used for a bench test, due to the limitation of the space of the test bench, the suspension bracket of the engine is easy to interfere with peripheral instruments and the like after the engine is placed on the test bench, and the test effect of the engine is further influenced.
Patent No. 201720537905.1 discloses a sprocket chamber cover plate and a sprocket chamber, which has problems that a crankshaft extension hole is lacked on the sprocket chamber cover plate as an engine front end cover plate, so that a crankshaft and a crankshaft damper pulley mounted on the front end of the crankshaft must be sealed inside the sprocket chamber cover plate, the sprocket chamber cover plate and a power steering pump mounted on the sprocket chamber cover plate must be detached when the crankshaft damper pulley is maintained, the maintenance time is long, and the process is complicated; the engine suspension bracket is not installed at the position and structure for installing the engine suspension bracket, so that the matching use of various vehicle types such as a front engine front drive and the like cannot be met, and the use field of parts is greatly limited; the electromagnet mounting hole is lacked, so that the electromagnet for controlling the position of the camshaft must be mounted in the chain wheel chamber cover plate, and the problems of long working hour and high cost caused by disassembling the chain wheel chamber cover plate when the electromagnet mechanism is maintained are caused; the chain wheel chamber cover plate is detached during maintenance, so that the maintenance time is long and the working procedure is complex; its upper surface and lower surface lack respectively with cylinder head cover, the sealed installation face and the erection bolt hole of usefulness of oil pan, sprocket chamber apron can't form effective sealedly with cylinder head cover, oil pan respectively, easily cause sprocket chamber apron upside and downside to leak the machine oil, the engine fires and causes the safety problem. Therefore, research and development of a detachable suspension bracket split timing sprocket housing of a plug-in hybrid electric vehicle, which can effectively avoid and solve the problems, is a new problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a split timing chain wheel shell of a detachable suspension bracket of a plug-in hybrid electric vehicle, the suspension bracket and a chain wheel shell body can be detached and made into a split type form, the engine suspension bracket is manufactured separately during manufacturing, the selection and modification of the engine suspension bracket are convenient, the modification of an integrated whole timing chain wheel shell mold is avoided, only the suspension bracket mold is modified, when the same engine is matched with different whole vehicle suspension brackets, only one set of suspension bracket is required to be designed, only one set of chain wheel shell body mold is required to be prepared, the problem of space interference of the suspension bracket during an engine bench test is solved, ADC12 die-cast aluminum alloy material is waste recovered aluminum, the cost is low, the wear resistance is high, the weight is light, and the requirement of light weight of the whole vehicle is met on the premise of ensuring the strength and rigidity of parts.
The purpose of the invention is realized as follows: a split timing chain wheel shell of a detachable suspension bracket of a plug-in hybrid electric vehicle comprises a chain wheel shell body, a suspension bracket, suspension bracket bolts and a front oil seal, wherein the suspension bracket is arranged on the chain wheel shell body, the chain wheel shell body and the suspension bracket are fixed by the suspension bracket bolts, and the front oil seal is arranged in a crankshaft extending hole at the lower part of the chain wheel shell body; the chain wheel shell body consists of a chain wheel shell body mounting boss, a chain wheel shell body mounting hole, an electromagnet mounting hole, a water pump mounting hole, a lower flange surface, an oil pump avoiding boss, a flange mounting hole, a reinforcing rib, a water pump runner boss, a generator mounting hole, a water pump bolt hole, an upper flange surface, an electromagnet bolt hole, a crankshaft extending hole, a cylinder cover mounting hole and an oil pan mounting hole, wherein the two electromagnet mounting holes are symmetrically distributed at the upper part of the chain wheel shell body and have consistent aperture sizes; two electromagnet bolt holes are respectively arranged around each electromagnet mounting hole, and the centers of the two electromagnet bolt holes and the center of the electromagnet mounting hole are on the same straight line; a crankshaft extension hole is formed in the lower portion of the chain wheel shell body, and a front oil seal for sealing engine oil at the front end of a crankshaft is press-fitted in the crankshaft extension hole in an interference fit mode; the right lower part of the chain wheel shell body is provided with two oil pump avoiding bosses protruding forwards; a water pump mounting hole of a cylindrical structure for mounting a water pump is formed in the right side of the chain wheel shell body, and four water pump bolt holes of a through hole structure are arranged around the water pump mounting hole; the position of the water pump bolt hole is consistent with the position of a water pump fixing hole on the flange surface of the cylinder body and the cylinder cover, and the hole diameter is the same; the middle part of the chain wheel shell body is provided with four chain wheel shell body mounting bosses with cylindrical structures, and the four chain wheel shell body mounting bosses are uniformly distributed on two sides of the chain wheel shell body; a sprocket housing body mounting hole is formed in the sprocket housing body mounting boss; the mounting hole of the chain wheel shell body is of a through hole structure; the periphery of the chain wheel shell body is distributed with flange mounting holes for fixing on a cylinder body and cylinder cover flange surface at the front end of a cylinder body and cylinder cover assembly; the flange mounting hole is of a through hole structure, and the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder body and the cylinder cover; a wedge-shaped boss with an inclined plane is arranged at the rear part of the chain wheel shell body and the upper part of the water pump mounting hole and is a water pump runner boss; when the engine is installed, the water pump runner boss is inserted into the water pump runner groove on the flange surface of the cylinder cover of the cylinder body, and forms a water channel with uniform section together with the water pump runner groove; the trend of the upper inclined plane of the water pump runner groove of the water pump runner boss is required to be consistent with the trend of the inclined plane of the water pump runner groove N; the rear part of the sprocket wheel shell body is provided with reinforcing ribs on two side surfaces; two ends of the reinforcing rib are connected to the two flange mounting holes and the sprocket housing body mounting hole, so that the rigidity strength of the sprocket housing body is improved; two generator mounting holes are formed in the right side of the chain wheel shell body, the positions of the generator mounting holes are the same as those of generator fixing holes in the cylinder body and cylinder cover assembly, and the diameters of the generator mounting holes are consistent; the upper surface of the chain wheel shell body is an upper flange surface, cylinder head cover mounting holes are distributed on the upper flange surface at equal intervals, and the three cylinder head cover mounting holes are positioned on the same straight line and are used for being fastened with an upper cylinder head cover together; the lower surface of the chain wheel shell body is a lower flange surface, four oil pan mounting holes are distributed on the lower flange surface at equal intervals, and the four oil pan mounting holes are positioned on the same straight line and are used for being fastened with a lower oil pan together; the suspension bracket consists of a stud, a reinforcing rib plate, suspension bracket mounting holes and suspension bracket mounting bosses, wherein the suspension bracket is provided with four suspension bracket mounting bosses with a cylindrical structure, and each suspension bracket mounting hole is processed on the suspension bracket; the size of the aperture and the axial position of the mounting hole of the suspension bracket are the same as those of the mounting hole of the chain wheel shell body; a stud is integrally fixed on the upper surface of the suspension bracket; the interior of the suspension bracket adopts a hollow structure, part of mass is removed, and reinforcing rib plates are arranged transversely and longitudinally; the cylinder body and cylinder cover assembly matched with the split timing chain wheel shell of the detachable suspension bracket consists of a cylinder body and cylinder cover fixing hole, a water pump runner groove, a generator fixing hole, a water pump fixing hole, a cylinder body and cylinder cover flange surface and a flange fixing hole, wherein the cylinder body and cylinder cover fixing hole is formed in the cylinder body and cylinder cover assembly, the position of a water pump bolt hole is consistent with that of the water pump fixing hole in the cylinder body and cylinder cover flange surface, and the pore diameter is the same; the periphery of the chain wheel shell body is provided with flange mounting holes for fixing on a cylinder body and cylinder cover flange surface at the front end of a cylinder body and cylinder cover assembly; the flange mounting hole is of a through hole structure, and the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder body and the cylinder cover; when the engine is installed, the water pump runner boss is inserted into the water pump runner groove on the flange surface of the cylinder cover of the cylinder body, and forms a water channel with uniform section together with the water pump runner groove; the trend of the upper inclined plane of the water pump runner groove of the water pump runner boss is required to be consistent with the trend of the inclined plane of the water pump runner groove N; the position of the generator mounting hole is the same as that of a generator fixing hole on the cylinder body and cylinder cover assembly, and the aperture size is consistent;
the periphery of the crankshaft extending hole is a circular plane with the radius of 80 mm; the oil pump avoiding boss is of a spherical structure, and the forward extending height is 6 mm; the diameter of the water pump mounting hole is 56 mm; the axis of the mounting hole of the chain wheel shell body is collinear with the axis of a corresponding cylinder body and cylinder cover fixing hole on a cylinder body and cylinder cover, and the hole diameter of the mounting hole is 1mm larger than that of the cylinder body and cylinder cover fixing hole; the centers of the two electromagnet bolt holes and the center of the electromagnet mounting hole are on a straight line, and the included angle between the straight line and the horizontal plane is 30 degrees; the rear part of the sprocket wheel shell body is provided with a reinforcing rib; two generator mounting holes with the diameter of 11mm are formed in the right side of the sprocket shell body, the threads of the cylinder head cover mounting holes are M6 multiplied by 15mm, and the hole depth is 18 mm; the thread of the mounting hole of the oil pan is M6 multiplied by 14mm, and the hole depth is 16 mm; the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder cover of the cylinder body, and the aperture is 0.5mm larger than that of the flange fixing hole; a water channel with a uniform cross section is formed together with the water pump runner groove, and the gap between the upper surface and the lower surface of the water pump runner groove and the upper surface and the lower surface of the water pump runner groove is 2 mm;
the sprocket housing body and the suspension bracket are both made of ADC12 die-casting aluminum alloy materials; the front oil seal material is NOKF 585;
the working principle and the using and installing method of the split type timing chain wheel shell of the detachable suspension bracket of the plug-in hybrid electric vehicle are that a chain wheel shell body in the traditional integrated timing chain wheel shell is separated from the suspension bracket to form the timing chain wheel shell with a split type structure; a mounting boss of the suspension bracket is arranged on the suspension bracket, and a mounting boss of the chain wheel shell body which is attached to the mounting boss of the suspension bracket is correspondingly arranged on the chain wheel shell body; the mounting bosses of the suspension bracket and the mounting bosses of the chain wheel shell body are drilled with mounting holes of the suspension bracket and the mounting holes of the chain wheel shell body which have the same diameter and collinear alignment axes, and are collinear alignment with the fixing holes of the cylinder body and the cylinder cover on the flange surface of the cylinder body and the cylinder cover; when the water pump flow channel groove is installed, firstly, oil-proof glue is uniformly coated on the flange surfaces of the two cylinder body and cylinder cover from top to bottom, and waterproof glue is coated on the peripheral edge of the water pump flow channel groove N; then placing the chain wheel shell body on the upper part of the chain wheel shell body in parallel with the flange surface of the cylinder body and the cylinder cover, slowly pressing the chain wheel shell body until the oil-proof glue and the waterproof glue are uniformly spread to a gap between the chain wheel shell body and the flange surface of the cylinder body and the cylinder cover, and screwing the chain wheel shell body into the flange fixing hole by using a cylinder body and cylinder cover bolt through the flange mounting hole, wherein the screwing torque is 10 N.m; then, the water pump is rotatably inserted into the water pump mounting hole, and a water pump bolt penetrates through a water pump bolt hole and is screwed on a water pump fixing hole, wherein the screwing torque is 12 N.m; then, the electromagnet is inserted into the electromagnet mounting hole in a rotating mode, and is screwed into the electromagnet bolt hole through an electromagnet bolt, and the screwing torque is 8 N.m; then, the cylinder head cover is placed on the upper flange surface and is screwed into the cylinder head cover mounting hole by using a cylinder head cover bolt, and the screwing torque is 12 N.m; rotating the engine up and down by 180 degrees, coating oil-proof glue on the lower flange surface, placing the oil pan on the lower flange surface, pressing until the oil-proof glue is uniformly spread to a gap between the oil pan and the lower flange surface, and screwing the oil pan into an oil pan mounting hole by using an oil pan bolt, wherein the screwing torque is 12 N.m; then the engine is rotated by 180 degrees up and down, the suspension bracket bolt sequentially penetrates through the mounting hole of the suspension bracket and the mounting hole of the chain wheel shell body to be screwed in the fixing hole of the cylinder cover of the cylinder body, the screwing torque is 15 N.m, and the end face of the mounting boss of the chain wheel shell body is tightly attached to the end face of the mounting boss of the suspension bracket; finally, two generator bolts penetrate through the generator mounting holes, the generator is screwed into the generator fixing holes, and the screwing torque is 20 N.m; when the same engine is matched with different suspension brackets, the suspension brackets with different shapes can be replaced on the sprocket wheel shell body as long as the mounting holes of the suspension brackets are the same as the mounting bosses of the suspension brackets; when an engine bench test is carried out, if the suspension bracket interferes with surrounding equipment, the existing suspension bracket can be detached and replaced by a small-sized suspension bracket for fixing; if the suspension bracket is not required, the suspension bracket can be detached, and then the cylinder body cylinder cover bolt replaces the suspension bracket bolt to penetrate through the mounting hole of the chain wheel shell body, and only the chain wheel shell body is fixed on the flange surface of the cylinder body cylinder cover.
The key points of the invention are its structure, working principle and using and mounting method.
Compared with the prior art, the split timing chain wheel shell of the detachable suspension bracket of the plug-in hybrid electric vehicle has the advantages that the manufacturing cost is saved, the manufacturing period is shortened, the production efficiency is improved, when an engine bench test is carried out, the detachable suspension bracket of the plug-in hybrid electric vehicle is replaced into a small suspension bracket or even a suspension bracket is not arranged according to needs, the problem that the engine suspension bracket is easy to interfere with instruments around a bench due to space limitation is flexibly solved, convenience and rapidness are realized, and the test efficiency and the test effect are improved; the structure with the extending holes of the crankshaft and the water pump and the electromagnet mounting hole can extend the crankshaft and the water pump and mount the electromagnet, and simultaneously has the advantages of good sealing with a cylinder head cover, an oil pan and the like, and can be widely applied to the technical field of automobile engines.
Drawings
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the construction of the sprocket housing body part of the present invention.
Fig. 3 is a rear view of fig. 2.
Fig. 4 is a left side view of fig. 2.
Fig. 5 is a top view of fig. 2.
Fig. 6 is a bottom view of fig. 2.
Fig. 7 is a schematic view of the construction of the suspension mount portion of the present invention.
Fig. 8 is a rear view of fig. 7.
Fig. 9 is a top view of fig. 7.
Fig. 10 is an overall view of a cylinder block and cylinder head incorporating the present invention.
FIG. 11 is a schematic illustration of the present invention mounted on an engine.
Detailed Description
Referring to the attached drawings, the detachable suspension bracket split type timing chain wheel housing of the plug-in hybrid electric vehicle comprises a chain wheel housing body 1, a suspension bracket 2, a suspension bracket bolt 3 and a front oil seal 4, wherein the suspension bracket 2 is arranged on the chain wheel housing body 1, the chain wheel housing body 1 and the suspension bracket 2 are fixed through the suspension bracket bolt 3, and the front oil seal 4 is arranged in a crankshaft extending hole 1-14 at the lower part of the chain wheel housing body 1; the chain wheel shell body 1 consists of a chain wheel shell body mounting boss 1-1, a chain wheel shell body mounting hole 1-2, an electromagnet mounting hole 1-3, a water pump mounting hole 1-4, a lower flange surface 1-5, an oil pump avoiding boss 1-6, a flange mounting hole 1-7, a reinforcing rib 1-8, a water pump runner boss 1-9, a generator mounting hole 1-10, a water pump bolt hole 1-11, an upper flange surface 1-12, an electromagnet bolt hole 1-13, a crankshaft extending hole 1-14, a cylinder cover mounting hole 1-15 and an oil pan mounting hole 1-16, wherein the upper part of the chain wheel shell body 1 is provided with two electromagnet mounting holes 1-3 which are symmetrically distributed and have consistent aperture; two electromagnet bolt holes 1-13 are respectively arranged around each electromagnet mounting hole 1-3, and the centers of the two electromagnet bolt holes 1-13 and the centers of the electromagnet mounting holes 1-3 are on the same straight line; a crankshaft extending hole 1-14 is formed in the lower portion of the sprocket housing body 1, and a front oil seal 4 for sealing engine oil at the front end of a crankshaft is press-fitted in the crankshaft extending hole 1-14 in an interference fit mode; the right lower part of the chain wheel shell body 1 is provided with two oil pump avoiding bosses 1-6 protruding forwards; the right side of the chain wheel shell body 1 is provided with water pump mounting holes 1-4 of a cylindrical structure for mounting a water pump, and four water pump bolt holes 1-11 of a through hole structure are arranged around the water pump mounting holes; the positions of the water pump bolt holes 1-11 are consistent with the positions of the water pump fixing holes 5-4 on the flange surface 5-5 of the cylinder body and the cylinder cover, and the pore diameters are the same; the middle part of the chain wheel shell body 1 is provided with four chain wheel shell body mounting bosses 1-1 with cylindrical structures, and the four chain wheel shell body mounting bosses are uniformly distributed on two sides of the chain wheel shell body 1; a sprocket housing body mounting hole 1-2 is formed in the sprocket housing body mounting boss 1-1; the mounting hole 1-2 of the chain wheel shell body is of a through hole structure; flange mounting holes 1-7 for fixing on a cylinder body and cylinder cover flange surface 5-5 at the front end of a cylinder body and cylinder cover assembly 6 are distributed on the periphery of the chain wheel shell body 1; the flange mounting holes 1-7 are through hole structures, and the axes of the flange mounting holes are collinear with the axes of the corresponding flange fixing holes 5-6 on the flange surface 5-5 of the cylinder body and the cylinder cover; a wedge-shaped boss with an inclined plane is arranged at the rear part of the chain wheel shell body 1 and the upper part of the water pump mounting hole 1-4 and is a water pump runner boss 1-9; when an engine is installed, the water pump runner boss 1-9 is inserted into the water pump runner groove 5-2 on the flange surface 5-5 of the cylinder body and cylinder cover, and forms a water channel with a uniform section together with the water pump runner groove 5-2; the trend of the inclined plane on the water pump flow channel groove 5-2 of the water pump flow channel boss 1-9 is required to be consistent with the trend of the inclined plane of the water pump flow channel groove 5-2 of the water pump flow channel groove N; the rear part of the sprocket housing body 1 is provided with reinforcing ribs 1-8 on two side surfaces; two ends of the reinforcing rib 1-8 are connected to the two flange mounting holes 1-7 and the sprocket housing body mounting holes 1-2, so that the rigidity strength of the sprocket housing body 1 is improved; two generator mounting holes 1-10 are formed in the right side of the sprocket housing body 1, the positions of the generator mounting holes 1-10 are the same as the generator fixing holes 5-3 in the cylinder body and cylinder cover assembly 5, and the diameters of the generator mounting holes are consistent; the upper surface of the sprocket housing body 1 is an upper flange surface 1-12, 3 cylinder head cover mounting holes 1-15 are distributed on the sprocket housing body at equal intervals, and the three cylinder head cover mounting holes 1-15 are positioned on a straight line and are used for being fastened with an upper cylinder head cover 16; the lower surface of the sprocket housing body 1 is a lower flange surface 1-5, four oil pan mounting holes 1-16 are distributed on the lower flange surface at equal intervals, and the four oil pan mounting holes 1-16 are positioned on a straight line and are used for being fastened with a lower oil pan 14; the suspension bracket 2 consists of a stud 2-1, a reinforcing rib plate 2-2, suspension bracket mounting holes 2-3 and suspension bracket mounting bosses 2-4, wherein the suspension bracket 2 is provided with four suspension bracket mounting bosses 2-4 with a cylindrical structure, and each suspension bracket mounting hole 2-3 is processed on the suspension bracket 2; the aperture size and the axis position of the mounting hole 2-3 of the suspension bracket are the same as those of the mounting hole 1-2 of the chain wheel shell body; a stud 2-1 is integrally fixed on the upper surface of the suspension bracket 2; the interior of the suspension bracket 2 adopts a hollow structure, part of mass is removed, and reinforcing rib plates 2-2 are arranged transversely and longitudinally; the cylinder body and cylinder cover assembly 5 matched with a split timing chain wheel shell of a detachable suspension support is composed of a cylinder body and cylinder cover fixing hole 5-1, a water pump runner groove 5-2, a generator fixing hole 5-3, a water pump fixing hole 5-4, a cylinder body and cylinder cover flange surface 5-5 and a flange fixing hole 5-6, the cylinder body and cylinder cover fixing hole 5-1 is arranged on the cylinder body and cylinder cover assembly 5, the position of a water pump bolt hole 1-11 is consistent with the position of a water pump fixing hole 5-4 on the cylinder body and cylinder cover flange surface 5-5, and the aperture size is the same; the periphery of the chain wheel shell body 1 is distributed with flange mounting holes 1-7 which are used for being fixed on a cylinder body and cylinder cover flange surface 5-5 at the front end of a cylinder body and cylinder cover assembly 5; the flange mounting holes 1-7 are through hole structures, and the axes of the flange mounting holes are collinear with the axes of the corresponding flange fixing holes 5-6 on the flange surface 5-5 of the cylinder body and the cylinder cover; when an engine is installed, the water pump runner boss 1-9 is inserted into the water pump runner groove 5-2 on the flange surface 5-5 of the cylinder body and cylinder cover, and forms a water channel with a uniform section together with the water pump runner groove 5-2; the trend of the inclined plane on the water pump flow channel groove 5-2 of the water pump flow channel boss 1-9 is required to be consistent with the trend of the inclined plane of the water pump flow channel groove 5-2 of the water pump flow channel groove N; the positions of the generator mounting holes 1-10 are the same as the generator fixing holes 5-3 on the cylinder body and cylinder cover assembly 5, and the aperture sizes are consistent.
A circular plane with the radius of 80mm is arranged around the crankshaft extending hole 1-14; the oil pump avoiding boss 1-6 is of a spherical structure, and the forward extending height is 6 mm; the diameter of the water pump mounting hole 1-4 is 56 mm; the axis of the chain wheel housing body mounting hole 1-2 is collinear with the axis of a corresponding cylinder body and cylinder cover fixing hole 5-1 on a cylinder body and cylinder cover, and the aperture is 1mm larger than the cylinder body and cylinder cover fixing hole 5-1; the centers of the two electromagnet bolt holes 1-13 and the centers of the electromagnet mounting holes 1-3 are on a straight line, and the included angle between the straight line and the horizontal plane is 30 degrees; the rear part of the sprocket housing body 1 is provided with reinforcing ribs 1-8; two generator mounting holes 1-10 with the diameter of 11mm are formed in the right side of the sprocket housing body 1, the threads of the cylinder head cover mounting holes 1-15 are M6 multiplied by 15mm, and the hole depth is 18 mm; the threads of the oil pan mounting holes 1-16 are M6 multiplied by 14mm, and the hole depth is 16 mm; the axial lines of the flange mounting holes 1-7 are collinear with the axial lines of the corresponding flange fixing holes 5-6 on the flange surface 5-5 of the cylinder cover of the cylinder body, and the aperture is 0.5mm larger than that of the flange fixing holes 5-6; and the water channel and the water pump flow channel groove 5-2 form a water channel with a uniform section, and the gap between the upper surface and the lower surface of the water pump flow channel groove 5-2 is 2 mm.
The chain wheel shell body 1 and the suspension bracket 2 are both made of ADC12 die-casting aluminum alloy materials; the front oil seal 4 is made of NOK F585.
The working principle and the using and installing method of the split type timing chain wheel shell of the detachable suspension bracket of the plug-in hybrid electric vehicle are that a chain wheel shell body 1 and a suspension bracket 2 in a traditional integrated timing chain wheel shell are separated to form the timing chain wheel shell with a split type structure; a suspension bracket mounting boss 2-4 is arranged on the suspension bracket 2, and a chain wheel housing body mounting boss 1-1 which is attached to the suspension bracket mounting boss 2-4 is correspondingly arranged on the chain wheel housing body 1; the mounting boss 2-4 of the suspension bracket and the mounting boss 1-1 of the chain wheel shell body are drilled with a mounting hole 2-3 of the suspension bracket and a mounting hole 1-2 of the chain wheel shell body which have the same diameter and collinear alignment of axes, and are collinear alignment with a cylinder body and cylinder cover fixing hole 5-1 on a cylinder body and cylinder cover flange surface 5-5; when the water pump flow channel groove is installed, firstly, oil-proof glue is uniformly coated on the flange surfaces 5-5 of the two cylinder body cylinder covers from top to bottom, and waterproof glue is coated on the peripheral edge of the water pump flow channel groove N; then putting the chain wheel shell body 1 on the upper part of the chain wheel shell body parallel to the cylinder body and cylinder cover flange surface 5-5, slowly pressing the chain wheel shell body 1 until the oil-proof glue and the waterproof glue are uniformly spread to a gap between the chain wheel shell body 1 and the cylinder body and cylinder cover flange surface 5-5, and then screwing the chain wheel shell body 1 and the cylinder cover flange surface into the flange fixing hole 5-6 through the flange mounting hole 1-7 by using a cylinder body and cylinder cover bolt 13, wherein the screwing torque is 10 N.m; then, the water pump 9 is rotatably inserted into the water pump mounting hole 1-4 and screwed to the water pump fixing hole 5-4 through the water pump bolt hole 1-11 by the water pump bolt 10, and the screwing torque is 12 N.m; then the electromagnet 7 is rotatably inserted into the electromagnet mounting hole 1-3 and is screwed into the electromagnet bolt hole 1-13 by the electromagnet bolt 8, and the screwing moment is 8 N.m; then, a cylinder head cover 16 is placed on the upper flange face 1-12 and is screwed into the cylinder head cover mounting hole 1-15 through a cylinder head cover bolt 6, and the screwing torque is 12 N.m; rotating the engine up and down by 180 degrees, coating oil-proof glue on the lower flange surface 1-5, placing the oil pan 14 on the lower flange surface 1-5, pressing until the oil-proof glue is uniformly spread to a gap between the oil pan 14 and the lower flange surface 1-5, and screwing the oil pan 14 into the oil pan mounting hole 1-16 by using an oil pan bolt 15, wherein the screwing torque is 12 N.m; then the engine is rotated by 180 degrees up and down, a suspension bracket bolt 3 sequentially penetrates through a suspension bracket mounting hole 2-3 and a chain wheel shell body mounting hole 1-2 to be screwed in a cylinder body and cylinder cover fixing hole 5-1, the screwing torque is 15 N.m, and the end face of the chain wheel shell body mounting boss 1-1 is tightly attached to the end face of the suspension bracket mounting boss 2-4; finally, two generator bolts 12 penetrate through the generator mounting holes 1-10, the generator 11 is screwed into the generator fixing holes 5-3, and the screwing torque is 20 N.m; when the same engine is matched with different suspension brackets 2, the suspension brackets 2 with different shapes can be replaced on the chain wheel shell body 1 as long as the mounting holes 2-3 of the suspension brackets are the same as the mounting bosses 2-4 of the suspension brackets; when an engine bench test is carried out, if the suspension bracket 2 interferes with surrounding equipment, the existing suspension bracket 2 can be disassembled and replaced by a small-sized suspension bracket for fixing; if the suspension bracket 2 is not required, the suspension bracket 2 can be detached, and then the cylinder cover bolt 13 is used for replacing the suspension bracket bolt 3 to penetrate through the chain wheel housing body mounting hole 1-2, and only the chain wheel housing body 1 is fixed on the cylinder cover flange surface 5-5.
Claims (4)
1. The utility model provides a plug-in hybrid electric vehicle can dismantle split type timing sprocket shell of suspension support, includes sprocket shell body, suspension support bolt, preceding oil blanket, its characterized in that: a suspension bracket is arranged on the chain wheel shell body, the chain wheel shell body and the suspension bracket are fixed by using a suspension bracket bolt, and a front oil seal is arranged in a crankshaft extending hole at the lower part of the chain wheel shell body; the chain wheel shell body consists of a chain wheel shell body mounting boss, a chain wheel shell body mounting hole, an electromagnet mounting hole, a water pump mounting hole, a lower flange surface, an oil pump avoiding boss, a flange mounting hole, a reinforcing rib, a water pump runner boss, a generator mounting hole, a water pump bolt hole, an upper flange surface, an electromagnet bolt hole, a crankshaft extending hole, a cylinder cover mounting hole and an oil pan mounting hole, wherein the two electromagnet mounting holes are symmetrically distributed at the upper part of the chain wheel shell body and have consistent aperture sizes; two electromagnet bolt holes are respectively arranged around each electromagnet mounting hole, and the centers of the two electromagnet bolt holes and the center of the electromagnet mounting hole are on the same straight line; a crankshaft extension hole is formed in the lower portion of the chain wheel shell body, and a front oil seal for sealing engine oil at the front end of a crankshaft is press-fitted in the crankshaft extension hole in an interference fit mode; the right lower part of the chain wheel shell body is provided with two oil pump avoiding bosses protruding forwards; a water pump mounting hole of a cylindrical structure for mounting a water pump is formed in the right side of the chain wheel shell body, and four water pump bolt holes of a through hole structure are arranged around the water pump mounting hole; the position of the water pump bolt hole is consistent with the position of a water pump fixing hole on the flange surface of the cylinder body and the cylinder cover, and the hole diameter is the same; the middle part of the chain wheel shell body is provided with four chain wheel shell body mounting bosses with cylindrical structures, and the four chain wheel shell body mounting bosses are uniformly distributed on two sides of the chain wheel shell body; a sprocket housing body mounting hole is formed in the sprocket housing body mounting boss; the mounting hole of the chain wheel shell body is of a through hole structure; the periphery of the chain wheel shell body is distributed with flange mounting holes for fixing on a cylinder body and cylinder cover flange surface at the front end of a cylinder body and cylinder cover assembly; the flange mounting hole is of a through hole structure, and the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder body and the cylinder cover; a wedge-shaped boss with an inclined plane is arranged at the rear part of the chain wheel shell body and the upper part of the water pump mounting hole and is a water pump runner boss; when the engine is installed, the water pump runner boss is inserted into the water pump runner groove on the flange surface of the cylinder cover of the cylinder body, and forms a water channel with uniform section together with the water pump runner groove; the trend of the upper inclined plane of the water pump runner groove of the water pump runner boss is required to be consistent with the trend of the inclined plane of the water pump runner groove N; the rear part of the sprocket wheel shell body is provided with reinforcing ribs on two side surfaces; two ends of the reinforcing rib are connected to the two flange mounting holes and the sprocket housing body mounting hole, so that the rigidity strength of the sprocket housing body is improved; two generator mounting holes are formed in the right side of the chain wheel shell body, the positions of the generator mounting holes are the same as those of generator fixing holes in the cylinder body and cylinder cover assembly, and the diameters of the generator mounting holes are consistent; the upper surface of the chain wheel shell body is an upper flange surface, cylinder head cover mounting holes are distributed on the upper flange surface at equal intervals, and the three cylinder head cover mounting holes are positioned on the same straight line and are used for being fastened with an upper cylinder head cover together; the lower surface of the chain wheel shell body is a lower flange surface, four oil pan mounting holes are distributed on the lower flange surface at equal intervals, and the four oil pan mounting holes are positioned on the same straight line and are used for being fastened with a lower oil pan together; the suspension bracket consists of a stud, a reinforcing rib plate, suspension bracket mounting holes and suspension bracket mounting bosses, wherein the suspension bracket is provided with four suspension bracket mounting bosses with a cylindrical structure, and each suspension bracket mounting hole is processed on the suspension bracket; the size of the aperture and the axial position of the mounting hole of the suspension bracket are the same as those of the mounting hole of the chain wheel shell body; a stud is integrally fixed on the upper surface of the suspension bracket; the interior of the suspension bracket adopts a hollow structure, part of mass is removed, and reinforcing rib plates are arranged transversely and longitudinally; the cylinder body and cylinder cover assembly matched with the split timing chain wheel shell of the detachable suspension bracket consists of a cylinder body and cylinder cover fixing hole, a water pump runner groove, a generator fixing hole, a water pump fixing hole, a cylinder body and cylinder cover flange surface and a flange fixing hole, wherein the cylinder body and cylinder cover fixing hole is formed in the cylinder body and cylinder cover assembly, the position of a water pump bolt hole is consistent with that of the water pump fixing hole in the cylinder body and cylinder cover flange surface, and the pore diameter is the same; the periphery of the chain wheel shell body is provided with flange mounting holes for fixing on a cylinder body and cylinder cover flange surface at the front end of a cylinder body and cylinder cover assembly; the flange mounting hole is of a through hole structure, and the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder body and the cylinder cover; when the engine is installed, the water pump runner boss is inserted into the water pump runner groove on the flange surface of the cylinder cover of the cylinder body, and forms a water channel with uniform section together with the water pump runner groove; the trend of the upper inclined plane of the water pump runner groove of the water pump runner boss is required to be consistent with the trend of the inclined plane of the water pump runner groove N; the position of the generator mounting hole is the same as the generator fixing hole on the cylinder body and cylinder cover assembly, and the aperture size is consistent.
2. The split timing sprocket housing of a detachable suspension bracket of a plug-in hybrid electric vehicle of claim 1, wherein: the periphery of the crankshaft extending hole is a circular plane with the radius of 80 mm; the oil pump avoiding boss is of a spherical structure, and the forward extending height is 6 mm; the diameter of the water pump mounting hole is 56 mm; the axis of the mounting hole of the chain wheel shell body is collinear with the axis of a corresponding cylinder body and cylinder cover fixing hole on a cylinder body and cylinder cover, and the hole diameter of the mounting hole is 1mm larger than that of the cylinder body and cylinder cover fixing hole; the centers of the two electromagnet bolt holes and the center of the electromagnet mounting hole are on a straight line, and the included angle between the straight line and the horizontal plane is 30 degrees; the rear part of the sprocket wheel shell body is provided with a reinforcing rib; two generator mounting holes with the diameter of 11mm are formed in the right side of the sprocket shell body, the threads of the cylinder head cover mounting holes are M6 multiplied by 15mm, and the hole depth is 18 mm; the thread of the mounting hole of the oil pan is M6 multiplied by 14mm, and the hole depth is 16 mm; the axis of the flange mounting hole is collinear with the axis of a corresponding flange fixing hole on the flange surface of the cylinder cover of the cylinder body, and the aperture is 0.5mm larger than that of the flange fixing hole; and the water channel and the water pump runner groove form a water channel with a uniform section, and the gap between the upper surface and the lower surface of the water pump runner groove and the upper surface and the lower surface of the water pump runner groove is 2 mm.
3. The split timing sprocket housing of a detachable suspension bracket of a plug-in hybrid electric vehicle of claim 1, wherein: the sprocket housing body and the suspension bracket are both made of ADC12 die-casting aluminum alloy materials; the front oil seal material is NOK F585.
4. The split timing sprocket housing of a detachable suspension bracket of a plug-in hybrid electric vehicle of claim 1, wherein: the working principle and the using and installing method of the split type timing chain wheel shell of the detachable suspension bracket of the plug-in hybrid electric vehicle are that a chain wheel shell body in the traditional integrated timing chain wheel shell is separated from the suspension bracket to form the timing chain wheel shell with a split type structure; a mounting boss of the suspension bracket is arranged on the suspension bracket, and a mounting boss of the chain wheel shell body which is attached to the mounting boss of the suspension bracket is correspondingly arranged on the chain wheel shell body; the mounting bosses of the suspension bracket and the mounting bosses of the chain wheel shell body are drilled with mounting holes of the suspension bracket and the mounting holes of the chain wheel shell body which have the same diameter and collinear alignment axes, and are collinear alignment with the fixing holes of the cylinder body and the cylinder cover on the flange surface of the cylinder body and the cylinder cover; when the water pump flow channel groove is installed, firstly, oil-proof glue is uniformly coated on the flange surfaces of the two cylinder body and cylinder cover from top to bottom, and waterproof glue is coated on the peripheral edge of the water pump flow channel groove N; then placing the chain wheel shell body on the upper part of the chain wheel shell body in parallel with the flange surface of the cylinder body and the cylinder cover, slowly pressing the chain wheel shell body until the oil-proof glue and the waterproof glue are uniformly spread to a gap between the chain wheel shell body and the flange surface of the cylinder body and the cylinder cover, and screwing the chain wheel shell body into the flange fixing hole by using a cylinder body and cylinder cover bolt through the flange mounting hole, wherein the screwing torque is 10 N.m; then, the water pump is rotatably inserted into the water pump mounting hole, and a water pump bolt penetrates through a water pump bolt hole and is screwed on a water pump fixing hole, wherein the screwing torque is 12 N.m; then, the electromagnet is inserted into the electromagnet mounting hole in a rotating mode, and is screwed into the electromagnet bolt hole through an electromagnet bolt, and the screwing torque is 8 N.m; then, the cylinder head cover is placed on the upper flange surface and is screwed into the cylinder head cover mounting hole by using a cylinder head cover bolt, and the screwing torque is 12 N.m; rotating the engine up and down by 180 degrees, coating oil-proof glue on the lower flange surface, placing the oil pan on the lower flange surface, pressing until the oil-proof glue is uniformly spread to a gap between the oil pan and the lower flange surface, and screwing the oil pan into an oil pan mounting hole by using an oil pan bolt, wherein the screwing torque is 12 N.m; then the engine is rotated by 180 degrees up and down, the suspension bracket bolt sequentially penetrates through the mounting hole of the suspension bracket and the mounting hole of the chain wheel shell body to be screwed in the fixing hole of the cylinder cover of the cylinder body, the screwing torque is 15 N.m, and the end face of the mounting boss of the chain wheel shell body is tightly attached to the end face of the mounting boss of the suspension bracket; finally, two generator bolts penetrate through the generator mounting holes, the generator is screwed into the generator fixing holes, and the screwing torque is 20 N.m; when the same engine is matched with different suspension brackets, the suspension brackets with different shapes can be replaced on the sprocket wheel shell body as long as the mounting holes of the suspension brackets are the same as the mounting bosses of the suspension brackets; when an engine bench test is carried out, if the suspension bracket interferes with surrounding equipment, the existing suspension bracket can be detached and replaced by a small-sized suspension bracket for fixing; if the suspension bracket is not required, the suspension bracket can be detached, and then the cylinder body cylinder cover bolt replaces the suspension bracket bolt to penetrate through the mounting hole of the chain wheel shell body, and only the chain wheel shell body is fixed on the flange surface of the cylinder body cylinder cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911265052.0A CN111120143A (en) | 2019-12-11 | 2019-12-11 | Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911265052.0A CN111120143A (en) | 2019-12-11 | 2019-12-11 | Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle |
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| CN111120143A true CN111120143A (en) | 2020-05-08 |
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| CN201911265052.0A Pending CN111120143A (en) | 2019-12-11 | 2019-12-11 | Detachable suspension bracket split type timing chain wheel shell of plug-in hybrid electric vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113357349A (en) * | 2021-06-18 | 2021-09-07 | 中国第一汽车股份有限公司 | Prediction method for sealing pressure of joint surface of speed reducer shell |
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| US7255085B2 (en) * | 2004-12-22 | 2007-08-14 | Hyundai Motor Company | Timing cover for engine |
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Application publication date: 20200508 |