CN203702366U - Fiber reinforced plastic cylinder cover of engine - Google Patents
Fiber reinforced plastic cylinder cover of engine Download PDFInfo
- Publication number
- CN203702366U CN203702366U CN201320894635.1U CN201320894635U CN203702366U CN 203702366 U CN203702366 U CN 203702366U CN 201320894635 U CN201320894635 U CN 201320894635U CN 203702366 U CN203702366 U CN 203702366U
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- groove
- fastening hole
- valve mechanism
- bolt fastening
- stiffening rib
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- 229920002430 Fibre-reinforced plastic Polymers 0.000 title claims abstract description 20
- 239000011151 fibre-reinforced plastic Substances 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims description 53
- 230000003014 reinforcing effect Effects 0.000 claims description 36
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
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- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
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- 238000001746 injection moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a fiber reinforced plastic cylinder cover of an engine, which comprises an cylinder cover body matched with the appearance of an air cylinder of the used automobile engine, wherein the cylinder cover body is a rectangular groove with a bottom opening; and is characterized in that a ring of sealing faces is disposed around the rectangular groove with width between 7-8 mm; a ring of groove is disposed along the center of the sealing face, and a plurality of cylindrical hollow bolt fastening holes equipped with bolts are arranged at interval along the center line of the groove in order to form a ring of sealing groove; a rubber sealing ring with the corresponding shape is embedded inside the sealing groove; triangular reinforced ribs and outer superficial reinforced ribs are disposed in order on outer walls of the rectangular groove, a rectangular side plate and a top plate of the bolt fastening hole; and a plurality of crisscrossed inner superficial reinforced ribs are distributed in order on the inner walls of the top plate of the rectangular groove. The fiber reinforced plastic cylinder cover reduces processing procedures with low cost; has light mass and a good sealing nature; and reduces vibration and noise and makes for promotion and implementation.
Description
Technical field
The utility model relates to a kind of cylinder cover for automobile engine; Particularly a kind of motor car engine fiber reinforced plastic valve mechanism cover; Belong to the technical field of automobile engine accessory.
Background technique
Existing cylinder cover for automobile engine material used is generally steel plate or aluminum alloy.While selecting steel plate, conventionally use the impact briquetting of individual layer mild-steel sheet, and anti-corrosion treatment is carried out in its surface; Its cost is low, but sheet stamping easily makes the distortion of its material warp, and planeness is poor, and the valve mechanism cover made from it is yielding, cause the faults such as leakage of oil to occur, and noise reduction is poor, the noise reduction requirement that can not meet state three and discharge above type; When aluminium alloy material, conventionally with sand casting process or extrusion process moulding, then auxiliary machine processing is prepared from, and excellent noise reduction effect, is widely used at present; But the valve mechanism cover after die cast needs mechanical process, operation is comparatively complicated, and overall cost is high.The valve mechanism cover weight that above-mentioned two kinds of metallic material are made is large, when mounted, complex process, operation inconvenience, the operator that need are many, and overall cost is high.
The sealing employing papery sealing gasket of the above-mentioned valve mechanism cover with metal material processing and engine cylinder cap joint is realized; In the time that engine air cylinder cap needs dismounting and change, papery sealing gasket can be destroyed, and damaged sealing gasket can be bonded at the abutted surface of this engine air cylinder cap and engine cylinder cap, is difficult to remove, and needs labor cleaning; Also need the papery sealing gasket more renewing simultaneously, give and install and use engine cylinder cover to cause difficulty.
In order to alleviate the own wt of valve mechanism cover, also useful fiber reinforced plastic alternative metals processing and fabricating valve mechanism cover in recent years; But roof and the sidewall of existing fiber reinforced plastic valve mechanism cover are smooth transition, the insufficient strength of roof, tramples requirement can not meet operator and keep in repair time, gives maintenance and changes this valve mechanism cover and cause difficulty.
Summary of the invention
In order to overcome the defect existing in above-mentioned prior art, the purpose of this utility model is to provide that a kind of weight is light, good sealing effect, vibration and noise reducing, the motor car engine that cost is low fiber reinforced plastic valve mechanism cover.
To achieve these goals, the utility model adopts following technological scheme: a kind of motor car engine fiber reinforced plastic valve mechanism cover, and it comprises a valve mechanism cover body matching with cylinder cover of automobile engine profile used; This valve mechanism cover body is the rectangle groove of a bottom surface opening; Its rectangle flute length is respectively rectangle groove air inlet side and the rectangle groove exhaust side corresponding with engine cylinder cap suction tude one side and outlet pipe one side to both sides; It is characterized in that: be the sealing surface of a circle level at the periphery of rectangle groove notch, its width is 7-8mm; The inner side of described sealing surface is concordant with the inner side of described rectangle groove side plate, the outside of sealing face wide go out 4-5mm outside this rectangle groove side plate; Along having a circle groove on the center line of described sealing surface, form a circle seal groove; Rectangle groove exhaust side and rectangle groove width are to be intervally distributed with some cylindric hollow bolt fastening hole that bolt is housed along the center line of its groove, the center of circle of this bolt fastening hole overlaps with the center line of described groove, rectangle groove air inlet side is distributed with some cylindric hollow bolt fastening hole that bolt is housed along the outward edge certain distance of its groove, and groove is outer peripheral apart from 8-9mm described in the distance of center circle of this bolt fastening hole; Wherein, the groove width 4-5mm of groove, groove depth are 7mm; The aperture of bolt fastening hole is 12mm, and the groove depth in aperture is 6mm; The outer wall thickness of described groove and described bolt fastening hole is identical, is 1.5-2mm; In described seal groove, be embedded with a rubber seal corresponding with its shape; The outer wall that is positioned at the rectangle groove outer wall of described bolt fastening hole, described rectangle groove side plate outer wall and top board is laid with triangle stiffening rib and outer surface stiffening rib in order; The inwall of described rectangle groove top board is distributed with some crisscross internal surface stiffening ribs in order.
On the groove of both sides, be respectively distributed with 8 bolt fastening hole at above-mentioned rectangle flute length, the spacing between adjacent 2 bolt fastening hole is identical, is 150-160mm; On the groove at two ends, be respectively laid with 1 bolt fastening hole near the length of this valve mechanism cover air inlet side at described rectangle groove, the distance of valve mechanism cover air inlet side is 140-150mm described in this bolton pitch-row.
On the groove between bolt fastening hole and the described air inlet side plate at two ends, be respectively provided with a semi-cylindrical hill stretching out with parallel sidewalls in above-mentioned valve mechanism cover body length; The size of this semi-cylindrical hill is corresponding with the camshaft shape of the described automobile engine cylinder connecting; Be provided with the triangle stiffening rib that crosses affixed with described valve mechanism cover body inside top surface at the downside of semi-cylindrical hill internal surface.
The radius of above-mentioned semi-cylindrical hill is 28-29mm, and the distance of sealing surface is 6-7mm described in its distance of center circle; On the outer wall of described semi-cylindrical hill, be evenly equipped with 5 del stiffening ribs, the triangle stiffening rib in the middle of it is perpendicular to the top of semi-cylindrical hill, its length difference, taking centre as main, both sides are each to distribute 2, is risen by a side, is respectively 20mm:30mm:40mm:30mm:20mm; Spacing between adjacent 2 triangle stiffening ribs is identical, is 14-15mm.
Above-mentioned rubber seal is coincide with respect to the width of described groove location and the recess width of thickness and its setting-in and the degree of depth, be bolt hole with respect to the position of bolt fastening hole, the external diameter of this bolt hole is identical with the internal diameter of described bolt fastening hole, and the internal diameter of bolt hole mates with bolt specification used.
The semicylinder of each bolt fastening hole is in described rectangle groove outer wall projection, its protruding semicylinder outer wall both sides are respectively laid with 1 del stiffening rib, on the rectangle groove outer wall between adjacent 2 described bolt fastening hole, are laid with 1 del stiffening rib; The outer surface stiffening rib that is laid in described rectangle groove side plate outer wall is all vertical with described sealing surface; The stiffening rib that is laid in top board outer wall is wide to parallel with described top board, its profile and cylinder body cylinder shape relative set.
The cross reinforcing of above-mentioned rectangle groove top board inwall with this rectangle groove width to parallel, waling with this rectangle flute length to parallel; Wherein, cross reinforcing is 24, by wide on one side to another side with 2: 3: 1: 3: 1: 3: 1: 3: 1: the ratio of 3: 1: 2 distributes, identical to the distance between the cross reinforcing of both sides adjacent and the cross reinforcing that is adjacent in described rectangle groove width, be respectively 45mm; Spacing between 3 cross reinforcings thereafter that are adjacent is identical, is respectively 30mm; With being thereafter 1 cross reinforcing, it is respectively 45mm apart from the spacing between adjacent 2 cross reinforcings; Thereafter 3 cross reinforcings again, spacing is therebetween identical, is respectively 30mm; By that analogy; Waling is 3, and to parallel, the spacing between adjacent waling equates, is respectively 70mm with the length of rectangle groove top board; Horizontal and longitudinal direction stiffening rib intervening portion place is a hollow cylinder stiffening rib; The external diameter of this hollow cylinder stiffening rib is 12mm; Internal diameter is 8mm; The wall thickness of hollow cylinder stiffening rib is 2mm; Highly be interspersed for 10mm and 15mm.
Wherein, the height of cross reinforcing is that 5mm and 20mm are interspersed with 1: 1 ratio, consistent with cylinder stiffening rib height with the position of cylinder stiffening rib handing-over; The thickness of described cross reinforcing is 2mm.
Bolt used is the clamping bolt with lining.
Owing to having adopted technique scheme, its beneficial effect is as follows: 1) available once injection moulding technique is processed, and compared with the technique of traditional cast aluminium or cast iron, has reduced follow-up manufacturing procedure, can greatly cut down finished cost; 2) by adopting the design of stiffening rib, improve the intensity of valve mechanism cover, can bear pressure more than 200kg.3) by the design of semi-cylindrical hill shape arc, on cylinder cap, realize the depression of R arc, can carry out Xian's cutter by the position of the R arc of side and enter cylinder cap inside to meet the processing to camshaft, thereby realize cylinder cap and integrated camshaft moulding, reduce processing and assembly cost.4) sealing surface adopts fluting, inlays the sealing means of rubber weather strip in groove, and compared with traditional paper sealing gasket, the better reliability of its sealing, can adhering and sealing face, can also reuse; 5) design of valve mechanism cover outer surface is level and smooth, and inside is provided with some stiffening ribs of gaining in strength, and can effectively lower the radiation of resonance and sound, thereby reduces noise.
Brief description of the drawings
Fig. 1 is the overall structure schematic diagram of the utility model valve mechanism cover.
Fig. 2 is that Figure 1A is to structural representation.
Embodiment
The utility model discloses a kind of motor car engine fiber reinforced plastic valve mechanism cover, it is applicable to the motor car engine of six cylinder 11L, 13L.This valve mechanism cover body is the rectangle groove of a bottom surface opening; Its rectangle flute length is respectively rectangle groove air inlet side and the rectangle groove exhaust side corresponding with engine cylinder cap suction tude one side and outlet pipe one side to both sides; The shape of valve mechanism cover body and cylinder cover of automobile engine profile used match; Be the sealing surface of a circle level at the periphery of rectangle groove notch, the width of sealing surface is 7-8mm, and the best is 7.5mm; Wherein, the inner side of sealing surface is concordant with the inner side of rectangle groove side plate, the outside of sealing surface wide go out 4-5mm outside this rectangle groove side plate; Have a circle groove along the center line of its sealing surface, the groove width of groove is 4-5mm, and the best is 4.4mm, and groove depth is 6-8mm, and the best is 7mm; Be intervally distributed with some cylindric hollow bolt fastening hole that bolt is housed along groove one circle, form a circle seal groove; Wherein, the internal diameter of bolt fastening hole is 12mm, and the groove depth of internal diameter is 6mm; The outer wall of groove is identical with the outer wall thickness of bolt fastening hole, is 1.5-2mm; In seal groove, be embedded with a rubber seal corresponding with groove and bolton hole shape; On sealing surface, the rectangle groove outer wall of each bolt fastening hole is laid with triangle stiffening rib, is laid with respectively outer surface stiffening rib and triangle stiffening rib at the outer wall of rectangle groove side plate outer wall and rectangle groove top board; Be distributed with in order some crisscross internal surface stiffening ribs at the inwall of rectangle groove top board.
Be respectively 8 at above-mentioned rectangle flute length to the bolt fastening hole on the groove of both sides, the spacing between adjacent 2 bolt fastening hole is identical, is 150-160mm, and the best is 157mm; On groove at the long groove to both sides near this valve mechanism cover air inlet side, be respectively laid with 1 bolt fastening hole, the distance of this bolton pitch-row valve mechanism cover air inlet side is 140-150mm.
Valve mechanism cover body length on the groove between the bolt fastening hole at two ends and the air inlet side plate end of its homonymy separately with wide to the parallel sidewalls of both sides and the semi-cylindrical hill protruding upward; The size of this semi-cylindrical hill is corresponding with the camshaft shape of the automobile engine cylinder connecting; It is the triangle stiffening rib that crosses affixed with valve mechanism cover body inside top surface at the downside of semi-cylindrical hill internal surface.
The radius of above-mentioned semi-cylindrical hill is 28-29mm, and the best is 28.5mm; The distance of the distance of center circle sealing surface of semi-cylindrical hill is 6-7mm; On the outer wall of semi-cylindrical hill, be evenly equipped with 5 del stiffening ribs, the triangle stiffening rib in the middle of it is perpendicular to the top of semi-cylindrical hill, and its length is 20mm:30mm:40mm:30mm:20mm; All the other 4 triangle stiffening ribs are distributed in the both sides of intermediate triangle stiffening rib, and the spacing between adjacent 2 triangle stiffening ribs is identical, is 14-15mm.
Rubber seal used is mated with recess width and the degree of depth of its setting-in with respect to width and the thickness of above-mentioned groove location, be bolt hole with respect to the position of bolt fastening hole, the external diameter of this bolt hole is identical with the internal diameter of bolt fastening hole, and the internal diameter of bolt hole mates with bolt specification used.
Each bolt fastening hole is by a side direction outer lug of rectangle groove outer wall, and its protruding semicylinder outer wall both sides are respectively laid with 1 del stiffening rib, on the rectangle groove outer wall between adjacent 2 bolt fastening hole, are laid with 1 del stiffening rib; The outer surface stiffening rib that is laid in rectangle groove side plate outer wall all sealing surface outward edge is corresponding thereto vertical, and the stiffening rib that is laid in top board outer wall is wide to parallel with its top board, the setting corresponding to cylinder body cylinder shape of its profile.
At the crisscross internal surface stiffening rib of above-mentioned rectangle groove top board inwall, wherein, cross reinforcing with this rectangle groove width to parallel, waling with this rectangle flute length to parallel; The cross reinforcing of laying is 24, by a broadside to another broadside with 2: 3: 1: 3: 1: 3: 1: 3: 1: lay the position of 3: 1: 2, identical to the distance between the cross reinforcing of both sides adjacent and the cross reinforcing that is adjacent in rectangle groove width, be respectively 45mm; Spacing between 3 cross reinforcings thereafter that are adjacent is identical, is respectively 30mm; With being thereafter 1 cross reinforcing, it is respectively 45mm apart from the spacing between adjacent 2 cross reinforcings; Thereafter 3 cross reinforcings again, its spacing is identical, is respectively 30mm; By that analogy; To rectangle groove width to 2 cross reinforcings of another side; Waling is 3, and to parallel, the spacing between adjacent waling equates, is respectively 70mm with the length of rectangle groove top board; Above-mentioned cross reinforcing and waling intersection are a hollow cylinder stiffening rib; The external diameter of this hollow cylinder stiffening rib is 12mm; Internal diameter is 8mm; The wall thickness of hollow cylinder stiffening rib is 2mm; Highly be interspersed for 10mm and 15mm, near the cylinder muscle 10mm of exhaust side and distributing with 3: 1 respectively of 15mm height, be the stiffening rib of 15mm near the cylinder muscle of exhaust side, middle cylinder muscle 10mm and 15mm high be interspersed with 1: 1 respectively; The height of cross reinforcing is that 5mm and 20mm are interspersed with 1: 1 ratio, consistent with cylinder stiffening rib height with the position of cylinder stiffening rib handing-over; The thickness of cross reinforcing is 2mm.
The utility model bolt used is the bolt with lining.Rubber seal is flush-mounted in the seal groove of rectangle groove periphery, again by this rectangle groove and cylinder cover of automobile engine spiral-lock, use bolt with lining by being set with and screwing tight in the bolt fastening hole distributing on sealing surface, motor car engine of the present utility model is linked together with fiber reinforcement valve mechanism cover and this cylinder cover of automobile engine.
By accompanying drawing, the technical solution of the utility model is described in further detail below.
As shown in Figure 1 and Figure 2: this cylinder cover for automobile engine is provided with valve mechanism cover body 1, internal surface stiffening rib 2, bolt fastening hole 3, cylinder type stiffening rib 4, seal groove 5, triangle stiffening rib 6, sealing surface 7, semi-cylindrical hill 8, rubber weather strip 9, clamping bolt 10 with lining.
Wherein, cylinder cover for automobile engine passes through mold injection once-through with fiber reinforced plastic, the plane contacting with engine cylinder cap is the sealing surface 7 of valve mechanism cover, sealing face 7 is along the outwardly 10mm of outer wall of valve mechanism cover body, on sealing surface 7, uniformly-spaced establish 18 bolt fastening hole 3, the spacing of adjacent 2 bolt fastening hole 3 is 157mm; The each bolt fastening hole of outer wall two ends at cover body are uniformly distributed two triangle stiffening ribs 6 for guaranteeing the intensity of bolt fastening hole 3.Cylinder head cover body outer wall place between adjacent two bolt fastening hole 3 is laid with a triangle stiffening rib 6, for supporting the rigidity of whole cylinder head cover body sealing surface.The clamping bolt 10 of employing with lining carries out fastening for valve mechanism cover and engine cylinder cap.
On the sealing surface 7 at two ends, be provided with two semi-cylindrical hills 8 in valve mechanism cover length, semi-cylindrical hill 8 and engine cylinder cap mate, and the distance of the distance of center circle sealing surface 7 of semi-cylindrical hill 8 is 6.5mm, and the radius of semi-cylindrical hill 8 is R28.5mm.The outer surface of semi-cylindrical hill 8 is uniformly distributed 5 triangle stiffening ribs 6 to guarantee the intensity of semi-cylindrical hill 8.On the internal surface of valve mechanism cover, be provided with internal surface stiffening rib 2, the thickness of internal surface stiffening rib 2 is 2mm, cover body internal surface stiffening rib 2 is highly respectively 5mm and 20mm is interspersed with 1: 1 ratio, consistent with cylinder stiffening rib height with the position of cylinder stiffening rib handing-over.
For improving intensity, internal surface stiffening rib 2 is set to crisscross, and wherein, cross reinforcing has 24, is first laid with 2 cross reinforcings to one side near rectangle groove width, and its distance is wide is 45mm to the spacing on one side and between adjacent cross reinforcing; Subsequently, be distributed with 3 internal surface stiffening ribs 2, the spacing between adjacent 2 internal surface stiffening ribs is 30mm; Be laid with subsequently again 1 internal surface stiffening rib; Be laid with again 2 internal surface stiffening ribs, by that analogy later; 24 cross reinforcings by wide to a side to another wide to side with 2: 3: 1: 3: 1: 3: 1: 3: 1: the form of 3: 1: 2 is covered with on the internal surface aspire to rectangle groove top board; Surperficial stiffening rib 2 distributes and carries out repetition with this following closely.Waling has 3, and waling is uniformly distributed, and the spacing of adjacent waling is 70mm.The crossing position of horizontal and longitudinal direction stiffening rib adopts hollow cylinder stiffening rib 4 to cross, and the internal diameter of hollow cylinder stiffening rib 4 is 8mm, and external diameter is 12mm, and wall thickness is 2mm, and being highly that 10mm and 15mm are staggered is uniformly distributed.
In order to ensure the sealability of sealing surface and motor, on sealing surface 7, also offer the seal groove 5 overlapping with sealing surface 7 center lines, in seal groove 5, be embedded with rubber weather strip 9; The width of seal groove 5 is 4.4mm, is highly 7.0mm, and the seal groove 5 at bolt fastening hole 3 places is highly 6.0mm; Rubber weather strip 9 is placed in sealing groove 5; Because rubber weather strip 9 has good elasticity, after this fiber reinforcement valve mechanism cover injection moulding completes, at the interior setting-in one glue Stamping Steel Ribbon 9 of seal groove 5 of sealing surface 7, by bolt fastening hole 3, the valve mechanism cover and the engine cylinder cap that are embedded with rubber weather strip 9 are fastenedly connected with the clamping bolt 10 with lining, can ensure the sealing that valve mechanism cover is connected with engine cylinder cap.
Can avoid bolt active force all to be acted on to bolt fastening hole 3 places of cylinder head cover body 1 with the clamping bolt 10 with lining, cause bolt fastening hole 3 places to destroy.
Claims (9)
1. a motor car engine fiber reinforced plastic valve mechanism cover, it comprises a valve mechanism cover body matching with cylinder cover of automobile engine profile used; This valve mechanism cover body is the rectangle groove of a bottom surface opening; Its rectangle flute length is respectively rectangle groove air inlet side and the rectangle groove exhaust side corresponding with engine cylinder cap suction tude one side and outlet pipe one side to both sides; It is characterized in that: be the sealing surface of a circle level at the periphery of rectangle groove notch, its width is 7-8mm; The inner side of described sealing surface is concordant with the inner side of described rectangle groove side plate, the outside of sealing face wide go out 4-5mm outside this rectangle groove side plate; Along having a circle groove on the center line of described sealing surface, form a circle seal groove; Rectangle groove exhaust side and rectangle groove width are to be intervally distributed with some cylindric hollow bolt fastening hole that bolt is housed along the center line of its groove, the center of circle of this bolt fastening hole overlaps with the center line of described groove, rectangle groove air inlet side is distributed with some cylindric hollow bolt fastening hole that bolt is housed along the outward edge certain distance of its groove, and groove is outer peripheral apart from 8-9mm described in the distance of center circle of this bolt fastening hole; Wherein, the groove width 4-5mm of groove, groove depth are 7mm; The aperture of bolt fastening hole is 12mm, and the groove depth in aperture is 6mm; The outer wall thickness of described groove and described bolt fastening hole is identical, is 1.5-2mm; In described seal groove, be embedded with a rubber seal corresponding with its shape; The outer wall that is positioned at the rectangle groove outer wall of described bolt fastening hole, described rectangle groove side plate outer wall and top board is laid with triangle stiffening rib and outer surface stiffening rib in order; The inwall of described rectangle groove top board is distributed with some crisscross internal surface stiffening ribs in order.
2. fiber reinforced plastic valve mechanism cover as claimed in claim 1, is characterized in that: on the groove of both sides, be respectively distributed with 8 bolt fastening hole at described rectangle flute length, the spacing between adjacent 2 bolt fastening hole is identical, is 150-160mm; On the groove at two ends, be respectively laid with 1 bolt fastening hole near the length of this valve mechanism cover air inlet side at described rectangle groove, the distance of valve mechanism cover air inlet side is 140-150mm described in this bolton pitch-row.
3. fiber reinforced plastic valve mechanism cover as claimed in claim 2, is characterized in that: on the groove between bolt fastening hole and the described air inlet side plate at two ends, be respectively provided with a semi-cylindrical hill stretching out with parallel sidewalls in described valve mechanism cover body length; The size of this semi-cylindrical hill is corresponding with the camshaft shape of the described automobile engine cylinder connecting; Be provided with the triangle stiffening rib that crosses affixed with described valve mechanism cover body inside top surface at the downside of semi-cylindrical hill internal surface.
4. fiber reinforced plastic valve mechanism cover as claimed in claim 3, is characterized in that: the radius of described semi-cylindrical hill is 28-29mm, and the distance of sealing surface is 6-7mm described in its distance of center circle; On the outer wall of described semi-cylindrical hill, be evenly equipped with 5 del stiffening ribs, the triangle stiffening rib in the middle of it is perpendicular to the top of semi-cylindrical hill, its length difference, taking centre as main, both sides are each to distribute 2, is risen by a side, is respectively 20mm:30mm:40mm:30mm:20mm; Spacing between adjacent 2 triangle stiffening ribs is identical, is 14-15mm.
5. fiber reinforced plastic valve mechanism cover as claimed in claim 1, it is characterized in that: described rubber seal is coincide with respect to the width of described groove location and the recess width of thickness and its setting-in and the degree of depth, be bolt hole with respect to the position of bolt fastening hole, the external diameter of this bolt hole is identical with the internal diameter of described bolt fastening hole, and the internal diameter of bolt hole mates with bolt specification used.
6. fiber reinforced plastic valve mechanism cover as claimed in claim 1, it is characterized in that: the semicylinder of each described bolt fastening hole is in described rectangle groove outer wall projection, its protruding semicylinder outer wall both sides are respectively laid with 1 del stiffening rib, on the rectangle groove outer wall between adjacent 2 described bolt fastening hole, are laid with 1 del stiffening rib; The outer surface stiffening rib that is laid in described rectangle groove side plate outer wall is all vertical with described sealing surface; The stiffening rib that is laid in top board outer wall is wide to parallel with described top board, its profile and cylinder body cylinder shape relative set.
7. fiber reinforced plastic valve mechanism cover as claimed in claim 1, is characterized in that: the cross reinforcing of described rectangle groove top board inwall with this rectangle groove width to parallel, waling with this rectangle flute length to parallel; Wherein, cross reinforcing is 24, by wide on one side to another side with 2: 3: 1: 3: 1: 3: 1: 3: 1: the ratio of 3: 1: 2 distributes, identical to the distance between the cross reinforcing of both sides adjacent and the cross reinforcing that is adjacent in described rectangle groove width, be respectively 45mm; Spacing between 3 cross reinforcings thereafter that are adjacent is identical, is respectively 30mm; With being thereafter 1 cross reinforcing, it is respectively 45mm apart from the spacing between adjacent 2 cross reinforcings; Thereafter 3 cross reinforcings again, spacing is therebetween identical, is respectively 30mm; By that analogy; Described waling is 3, and to parallel, the spacing between adjacent waling equates, is respectively 70mm with the length of described rectangle groove top board; Described horizontal and longitudinal direction stiffening rib intervening portion place is a hollow cylinder stiffening rib; The external diameter of this hollow cylinder stiffening rib is 12mm; Internal diameter is 8mm; The wall thickness of hollow cylinder stiffening rib is 2mm; Highly be interspersed for 10mm and 15mm.
8. fiber reinforced plastic valve mechanism cover as claimed in claim 7, is characterized in that: the height of described cross reinforcing is that 5mm and 20mm are interspersed with 1: 1 ratio, consistent with cylinder stiffening rib height with the position of cylinder stiffening rib handing-over; The thickness of described cross reinforcing is 2mm.
9. the fiber reinforced plastic valve mechanism cover as described in claim 1-8 any one, is characterized in that: described bolt is the bolt with lining.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894635.1U CN203702366U (en) | 2013-12-31 | 2013-12-31 | Fiber reinforced plastic cylinder cover of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320894635.1U CN203702366U (en) | 2013-12-31 | 2013-12-31 | Fiber reinforced plastic cylinder cover of engine |
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| Publication Number | Publication Date |
|---|---|
| CN203702366U true CN203702366U (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320894635.1U Expired - Lifetime CN203702366U (en) | 2013-12-31 | 2013-12-31 | Fiber reinforced plastic cylinder cover of engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862960A (en) * | 2015-02-06 | 2016-08-17 | 住友建机株式会社 | Navvy cover |
| CN107013361A (en) * | 2017-06-05 | 2017-08-04 | 江苏常发农业装备股份有限公司 | A kind of diesel engine |
| CN112302827A (en) * | 2020-11-07 | 2021-02-02 | 苏州星波动力科技有限公司 | Composite internal combustion engine cylinder cover |
| CN112628013A (en) * | 2020-12-18 | 2021-04-09 | 苏州星波动力科技有限公司 | Mostly plastic internal combustion engine cylinder head |
-
2013
- 2013-12-31 CN CN201320894635.1U patent/CN203702366U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862960A (en) * | 2015-02-06 | 2016-08-17 | 住友建机株式会社 | Navvy cover |
| CN107013361A (en) * | 2017-06-05 | 2017-08-04 | 江苏常发农业装备股份有限公司 | A kind of diesel engine |
| CN112302827A (en) * | 2020-11-07 | 2021-02-02 | 苏州星波动力科技有限公司 | Composite internal combustion engine cylinder cover |
| CN112302827B (en) * | 2020-11-07 | 2022-04-22 | 苏州星波动力科技有限公司 | Composite internal combustion engine cylinder cover |
| CN112628013A (en) * | 2020-12-18 | 2021-04-09 | 苏州星波动力科技有限公司 | Mostly plastic internal combustion engine cylinder head |
| CN112628013B (en) * | 2020-12-18 | 2022-04-08 | 苏州星波动力科技有限公司 | Mostly plastic internal combustion engine cylinder head |
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Address after: 102101 No. 261 Kangxi Road, Badaling Economic Development Zone, Yanqing County, Beijing Patentee after: Beijing Guocai automobile composite material Co.,Ltd. Address before: 102101 No. 261 Kangxi Road, Badaling Economic Development Zone, Yanqing County, Beijing Patentee before: BEIJING SINOMA COMPOSITE AUTO PARTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of fiber reinforced plastic cylinder head cover for engine Effective date of registration: 20221012 Granted publication date: 20140709 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Guocai automobile composite material Co.,Ltd. Registration number: Y2022110000265 |
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Date of cancellation: 20231016 Granted publication date: 20140709 Pledgee: Beijing technology intellectual property financing Company limited by guarantee Pledgor: Beijing Guocai automobile composite material Co.,Ltd. Registration number: Y2022110000265 |
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