CN203717676U - Multifunctional main bearing cover structure of V-shaped engine - Google Patents
Multifunctional main bearing cover structure of V-shaped engine Download PDFInfo
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- CN203717676U CN203717676U CN201420080686.5U CN201420080686U CN203717676U CN 203717676 U CN203717676 U CN 203717676U CN 201420080686 U CN201420080686 U CN 201420080686U CN 203717676 U CN203717676 U CN 203717676U
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- main bearing
- bearing cap
- bearing cover
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- 208000020442 loss of weight Diseases 0.000 claims description 5
- 238000013475 authorization Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a multifunctional main bearing cover structure of a V-shaped engine. The multifunctional main bearing cover structure is characterized in that the side surfaces of a main bearing cover are respectively provided with a side surface thread hole, and the skirt section of a cylinder body is connected with the two sides of the main bearing cover through bolts; the outer sides of the top of the main shaft bearing cover are respectively provided with a top thread hole, and an oil baffle plate assembly is fixed on the main bearing cover through the bolts. The multifunctional main bearing cover structure provided by the utility model has the advantages that the problem that main bearing bolts loosen and break caused by the factor that large lateral component force is applied to the main bearing cover of the V-shaped engine is solved so as to ensure the stability of the engine; the problem the whole machine with the independent main bearing cover structure has large vibration can be solved so as to guarantee the comfort of the engine.
Description
Technical field
The utility model relates to a kind of V-type engine Multifunctional main bearing cover, belongs to engine structure design field.
Background technique
The structure of cylinder of petrol engine assembly mainly contains two kinds at present, and the one, dark gantry cylinder block, adopts free-standing main bearing cap structure, and the 2nd, skirt cylinder block, the overall ladder-shaped frame structure of employing.These two kinds of cylinder assembly structures respectively have pluses and minuses, overall ladder-shaped frame structure, and in Chinese patent document, disclosed similar structure patent has: the main-shaft bearing enhancing head structure [patent No.: the ZL 200620109815.4 of motor; Notice of authorization number: CN 2871879Y], integrated engine main bearing cap [notice of authorization number: CN 202140447 U] and the main bearing cover for IC engine [patent No.: ZL 200510110616.5, notice of authorization number: CN 100588845C], be all by each main bearing cap with two shirt rims of crankcase, by centre connect web be cast as one, again main matching surface being carried out to machine adds, be fixed on cylinder body by Main bearing bolt, this structure can be improved the vibration noise performance of complete machine, but this structure can not be general between the motor of different cylinder numbers.Stand alone type main bearing cap, be convenient between different motors general, but cost of production is higher, the general casting technique that adopts, cast in one piece, then matching surface is carried out to machine add, in order to reduce costs, part producer adopts cast-in-block form, then integrated machine adds, and is then separated into independently main bearing cap; From aspect of performance, in engine working process, free-standing main bearing cap vibration is larger, the vibration noise poor-performing of complete machine.
For the pluses and minuses of above-mentioned two kinds of cylinder assembly structural types, in industry, seeking a kind of compromise mode always, can ensure engine luggine noiseproof feature, can realize again the generalization of part.The method solving couples together free-standing main bearing cap by coupling exactly.The at present disclosed engine main bearing cover assembly of Chinese patent document and there is its motor [patent No.: ZL 200820124563.1, notice of authorization number: CN 201344202Y], the main-shaft bearing enhancing head structure [patent No.: the ZL 200620109815.4 of motor; Notice of authorization number: CN 2871879 Y], all adopt coupling that free-standing main bearing cap is linked together, improve vibration performance.
But for V-type engine, owing to there being an angle between two row cylinders, the lateral force that main bearing cap is born is far longer than straight engine, so main bearing cap only depends on being bolted on cylinder body of end face, can not meet the requirement of V-type engine, easily occur the problem of bolt looseness fracture.[patent of invention is in applying for open state in the at present installation that coordinates of the disclosed a kind of engine main bearing cover of Chinese patent document and main bearing seat, application publication number: CN 102297204 A], be fixed on cylinder body skirt section by the second bolt through main bearing cap, this second bolt is arranged with being acute angle between the first bolt.The mounting structure that coordinates of the main bearing cap that this patent relates to and main bearing seat, needs cylinder body skirt section to have enough wall thickness to ensure screwing of the second bolt, and this structure is unfavorable for the light-weight design of cylinder body, can affect the Economy of complete machine.
Summary of the invention
The purpose of this utility model is to provide a kind of V-type engine Multifunctional main bearing cover, and it can solve V-type engine main bearing cap, and to bear cross component force large, and the Main bearing bolt that brings is loosening, the problem of fracture, ensures the reliability of motor; Can solve again the large problem of free-standing main bearing cap structure complete machine oscillation, ensure the travelling comfort of motor.
Technical problem of the present utility model is solved by the following technical programs: a kind of V-type engine Multifunctional main bearing cover, it is characterized in that: 1 side tapped hole of each layout in main bearing cap side, cylinder body skirt section is bolted in main bearing cap both sides; Respectively be furnished with 1 screw top hole in main bearing cap top outer, oil baffle assembly is bolted in main bearing cap.
Described side tapped hole lays respectively on two boss of main bearing cap side, and two boss are taking the medial axis of main bearing cap as symmetry axis is arranged symmetrically with, and boss and cylinder body are Spielpassung.
Between the axis of described side tapped hole and Main bearing bolt mounting hole axis, angle is 90 degree.
Described screw top hole lays respectively on two boss in main bearing cap end face outside, and two boss are taking the medial axis of bearing cap as symmetry axis is arranged symmetrically with.
The end face of described main bearing cap and both sides, bottom surface are furnished with loss of weight hole.
Good effect of the present utility model is to have compact structure, and casting is simple, feature applied widely.
Brief description of the drawings
Fig. 1 is the axonometric drawing of V-type engine Multifunctional main bearing cap.
Fig. 2 is the assembling schematic diagram of V-type engine Multifunctional main bearing cap with cylinder body.
Fig. 3 is the assembling schematic diagram of V-type engine Multifunctional main bearing cap with oil baffle assembly.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described: as shown in Figure 1, a kind of V-type engine Multifunctional main bearing cover, it is characterized in that: 1 side tapped hole 3 of each layout in main bearing cap side, cylinder body skirt section is bolted in main bearing cap both sides; Respectively be furnished with 1 screw top hole 2 in main bearing cap top outer, oil baffle assembly is bolted in main bearing cap.
Described side tapped hole 3 lays respectively on two boss of main bearing cap side, and two boss are taking the medial axis of main bearing cap as symmetry axis is arranged symmetrically with, and main bearing seat region on boss and cylinder body is Spielpassung.
Between the axis of described side tapped hole 3 and Main bearing bolt mounting hole axis, angle is 90 degree.
Described screw top hole 2 lays respectively on two boss in main bearing cap end face outside, and two boss are taking the medial axis of bearing cap as symmetry axis is arranged symmetrically with.
The end face of described main bearing cap 1 and both sides, bottom surface are furnished with loss of weight hole 4.
When use, Multifunctional main bearing cap is free-standing main bearing cap 1, be arranged on cylinder body by four Main bearing bolts, in order to solve, the Main bearing bolt that V-type engine lateral force brings is greatly loosening, the problem of fracture, the skirt section of cylinder body is arranged on two side tapped holes 3 of main bearing cap with side direction bolt 6 and side direction spacer for bolt 7.
Wherein side tapped hole 3 is arranged on the boss that main bearing cap 1 bi-side are arranged symmetrically with, and two side boss of main bearing cap 1 are with being Spielpassung between cylinder body.The axis of two side tapped holes 3 and Main bearing bolt mounting hole angle are 90 degree.
On Multifunctional main bearing cap, end face and both sides, bottom surface are furnished with loss of weight hole 4, totally 8 loss of weight holes.
As shown in Figure 2, a kind of V-type engine Multifunctional main bearing cap 1 is fixed on cylinder body by 4 Main bearing bolts, between 2 boss of upper end, side and cylinder body 5, it is interference fit, and be Spielpassung between 2 boss of lower end, side and cylinder body 5, then cylinder body 5 both sides, skirt section are fixed in by side direction bolt 6 and side direction spacer for bolt 7 on the tapped hole 3 of main bearing cap 1 both sides, cylinder body skirt section is linked together with main bearing cap, effectively solve the problem that Main bearing bolt that cross component force brings greatly becomes flexible and ruptures, ensured the reliability of motor; This cooperating structure screw threaded arrangement is in main bearing cap 1 simultaneously, and therefore the wall thickness in cylinder body skirt section is thinner, is easy to realize the light-weight design of cylinder body.
As shown in Figure 3, oil baffle assembly 8 is fixed in 4 main bearing cap 1 by bolt 9,4 main bearing cap are linked together, reduce the vibration of each main bearing cap, ensure the travelling comfort of motor, oil baffle assembly 8 can also play the effect of reduction machine gas content of oil simultaneously, has ensured the reliability of motor.
Claims (5)
1. a V-type engine Multifunctional main bearing cover, is characterized in that: 1 side tapped hole of each layout in main bearing cap side, and cylinder body skirt section is bolted in main bearing cap both sides; Respectively be furnished with 1 screw top hole in main bearing cap top outer, oil baffle assembly is bolted in main bearing cap.
2. according to a kind of V-type engine Multifunctional main bearing cover described in claim 1, it is characterized in that described side tapped hole lays respectively on two boss of main bearing cap side, two boss are taking the medial axis of main bearing cap as symmetry axis is arranged symmetrically with, and boss and cylinder body are Spielpassung.
3. according to a kind of V-type engine Multifunctional main bearing cover described in claim 1, between the axis of the side tapped hole described in it is characterized in that and Main bearing bolt mounting hole axis, angle is 90 degree.
4. according to a kind of V-type engine Multifunctional main bearing cover described in claim 1, it is characterized in that described screw top hole lays respectively on two boss in main bearing cap end face outside, two boss are taking the medial axis of bearing cap as symmetry axis is arranged symmetrically with.
5. according to a kind of V-type engine Multifunctional main bearing cover described in claim 1, it is characterized in that the end face of described main bearing cap and both sides, bottom surface are furnished with loss of weight hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080686.5U CN203717676U (en) | 2014-02-25 | 2014-02-25 | Multifunctional main bearing cover structure of V-shaped engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080686.5U CN203717676U (en) | 2014-02-25 | 2014-02-25 | Multifunctional main bearing cover structure of V-shaped engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717676U true CN203717676U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420080686.5U Expired - Lifetime CN203717676U (en) | 2014-02-25 | 2014-02-25 | Multifunctional main bearing cover structure of V-shaped engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595370A (en) * | 2015-03-05 | 2015-05-06 | 苏州市汉诺威升降台有限公司 | Cover plate for bearing pedestal |
-
2014
- 2014-02-25 CN CN201420080686.5U patent/CN203717676U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104595370A (en) * | 2015-03-05 | 2015-05-06 | 苏州市汉诺威升降台有限公司 | Cover plate for bearing pedestal |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140716 |