CN1573161A - Mounting structure of balancer casing for engine - Google Patents
Mounting structure of balancer casing for engine Download PDFInfo
- Publication number
- CN1573161A CN1573161A CNA2004100481667A CN200410048166A CN1573161A CN 1573161 A CN1573161 A CN 1573161A CN A2004100481667 A CNA2004100481667 A CN A2004100481667A CN 200410048166 A CN200410048166 A CN 200410048166A CN 1573161 A CN1573161 A CN 1573161A
- Authority
- CN
- China
- Prior art keywords
- balace weight
- axle
- weight housing
- cylinder block
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000003921 oil Substances 0.000 claims description 34
- 239000010721 machine oil Substances 0.000 claims description 12
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 239000010705 motor oil Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 9
- 238000003756 stirring Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/22—Compensation of inertia forces
- F16F15/26—Compensation of inertia forces of crankshaft systems using solid masses, other than the ordinary pistons, moving with the system, i.e. masses connected through a kinematic mechanism or gear system
- F16F15/264—Rotating balancer shafts
- F16F15/267—Rotating balancer shafts characterised by bearing support of balancer shafts; Lubrication arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/32—Correcting- or balancing-weights or equivalent means for balancing rotating bodies, e.g. vehicle wheels
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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
- F02F7/0002—Cylinder arrangements
- F02F7/0004—Crankcases of one-cylinder engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Provided is mounting structure of a balancer housing in an engine capable of attaining sufficient supporting rigidity of a crank shaft and securely decreasing engine noise by avoiding increase of a manufacturing cost due to structure complication and demerits due to the weight increase of the engine. A housing body 12 of the balancer housing 11 is disposed by offsetting it to the right interposing the crank shaft 4. The right side of the housing body 12 is fastened to the right side of a cylinder block 2, and the left side of the housing body 12 is fastened to respective bearing caps 5. The left side of a baffle plate 13 extended from the housing body 12 toward the left side is fastened to the left side of the cylinder block 2.
Description
Technical field
The present invention relates to be used for the mounting structure of the balace weight housing of motor, more specifically, relate to such mounting structure, wherein balance support device shaft balancing device housing is installed in the downside of cylinder block pivotally.
Background technique
In order to reduce the vibration of motor in operation process, the balace weight axle is rotated driving in the mode with the rotational synchronization of bent axle, with payment because the vibration force that vertical motion was produced of piston and connecting rod.Such balace weight axle is arranged on the downside of cylinder block.In this case, the balace weight axle is supported in the balace weight housing pivotally, and by the balace weight housing is fastened on the support stiffness that the cylinder block downside improves bent axle.
For example, in the mounting structure of the balace weight housing that in Japanese kokai publication hei patent disclosure (Kokai) No.4-248041, discloses, the axle journal of bent axle is reached on the cylinder block that is supported on motor discretely pivotally by bearing cap, and with bolt the balace weight housing is fastened on the bottom of bearing cap.
In addition, in the mounting structure of the balace weight housing that discloses in Japanese Laid-Open Patent Publication (Kokai) No.2000-65149, the base pivots ground that is used as bearing cap supports the axle journal of bent axle, and the balace weight housing together is fastened on the bottom of base.
But, according to the above-mentioned mounting structure that discloses among Japanese kokai publication hei patent disclosure (Kokai) No.4-248041, can not improve the support stiffness of bent axle fully, in addition, can not reduce because the engine noise that insufficient rigidity causes.
In addition, the above-mentioned mounting structure that discloses in Japanese Laid-Open Patent Publication (Kokai) No.2000-65149 has such problem, promptly, increase cost of production owing to needing to make base with complicated shape, in addition, need the balace weight housing to have rigid construction, this is because it does not bring any help for the support stiffness that improves bent axle, and only utilize the base support bent axle, cause the weight of motor to increase.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of mounting structure that is used for the balace weight housing of motor, wherein supporting a balace weight shaft balancing device housing pivotally is set on the downside of cylinder block, and the balace weight axle is rotated driving in the mode with the rotational synchronization of bent axle, wherein the axle journal of bent axle is pivoted by bearing cap and is supported on the cylinder block, and the balace weight housing is fastened on each bottom of bearing cap and on the bottom of cylinder block.
According to said structure, the balace weight axle is rotated driving in the mode with the rotational synchronization of bent axle, and the balace weight housing is positioned on the downside of cylinder block simultaneously, and this has offseted the vibration force that vertical motion produced of the piston and the connecting rod of each cylinder.
In addition, the balace weight housing is fastened on the bottom of bearing cap of each axle journal that supports bent axle, and is fastened on the bottom of cylinder block.Therefore, bearing cap is by the interconnection of balace weight housing and prevent that bearing cap from taking place each other relative to crooked (moving), and in addition, bearing cap links to each other with cylinder block by the balace weight housing and prevents that bearing cap is with respect to the cylinder block bending.Therefore, can support bent axle with enough rigidity, in addition, owing to need not to adopt integrated bearing cap to guarantee the measure of sufficient support stiffness, if therefore can eliminate various shortcomings such as cost that adopts such measure to occur and weight increase.
Description of drawings
Character of the present invention and other purpose and advantage are described below with reference to accompanying drawings, and identical reference character is represented identical or similar parts in whole accompanying drawing, in the accompanying drawings:
Fig. 1 shows the sectional view of the motor of the mounting structure of using the related balace weight housing of one embodiment of the present of invention;
Fig. 2 is the side sectional view of the motor in the presentation graphs 1;
Fig. 3 is the bottom view of the motor in the presentation graphs 1;
Fig. 4 is to represent the bottom view of balace weight housing with the corresponding mode of Fig. 3; And
Fig. 5 is balace weight housing is in the past seen in expression by the place ahead diagonal a perspective view.
Embodiment
A preferred embodiment to the mounting structure of the balace weight housing that is used for motor involved in the present invention is described below with reference to accompanying drawings.
As shown in fig. 1, motor 1 is three cylinders petrol engines in upright arrangement, and sees over from the front of motor 1 and to be set at the vehicle under the state that is tilted to the left.In Fig. 2 and Fig. 3, from right-hand side cylinder body 3 along #1, the order of #2 and #3 forms, and the gearbox (not shown) links to each other with the left side (rear side) of cylinder block 2.Four positions on the direction of 3 one-tenth delegation of cylinder, cross section are that semicircular bearing retaining part 2a is formed in the cylinder block 2.On the direction of 3 one-tenth delegation of cylinder, to arrange bent axle 4 (in Fig. 2, only showing the one end) corresponding to the mode of bearing retaining part 2a.
The bearing retaining part 2a of cylinder block 2 is provided with corresponding bearing cap 5, and bearing cap 5 is fastened on the cylinder block 2 by bolt 6.Cross section is for semicircle and be formed on the bearing support 2a of the bearing retaining part 5a at corresponding bearing cap 5 places corresponding to cylinder block 2, and by being installed in the axle journal 4a (as shown in fig. 1) that crankshaft bearing (not shown) in its inner circumference supports bent axle 4 pivotally.
Food tray 7 is fastened on by the bolt (not shown) on the downside of cylinder block 2, with the downside of closed cylinder body 2.In food tray 7, tapped hole 8 is formed on two positions on each side in right side on the lower surface of cylinder block 2 and left side, simultaneously female thread boss (female screw boss) 9 and supply side boss 10 with outstanding form by on the adjacent lower surface that is arranged on each bearing cap 5.
Below the structure and the installment state of balace weight housing 11 is described in detail.
It is as a whole by aluminium die casting balace weight housing 11 to be configured to.As shown in fig. 1, on the downside of cylinder block 2, the shell body 12 of balace weight housing 11 is provided with (promptly in the mode of crossing bent axle 4 and being offset to the right, on a relative side of the inclined side of motor 1), and baffle plate 13 extends (on a relative side of the skew side of crossing bent axle 4) left from the left side integral body of shell body 12.
As shown in Fig. 1 and Fig. 5, shell body 12 protrusion of side thereon is shaped as semicircle, is semicircle at the concave shape of its downside, and is set to extend on the length direction of motor 1.Flange 14 (supporting part) is formed on two positions of the front and back of shell body 12, and this flange 14 is provided with cross section and is circular bearing hole 14a.As shown in Figure 2, each flange 14 corresponds essentially in the position on its length direction in the position of the bearing cap 5 of the front side of #1 cylinder and the position of the bearing cap 5 between #2 and #3 cylinder.Bolt hole 15 on its right side and on the length direction of shell body 12 corresponding to the position of corresponding flange 14 by shell body 12, thereby as shown in fig. 1, utilize bolt 15a to pass on the tapped hole 8 on the right side that left side that bolt hole 15 makes balace weight housing 11 is fastened to cylinder block 2.
On the left side of shell body 12, receiver side boss 16 is set on each flange 14 with outstanding form, and the cushion block boss is arranged on corresponding to the position along the bearing cap 5 on the rear side of the #1 of the length direction of shell body 12 and bearing cap 5 between the #2 cylinder and #3 cylinder with outstanding form.The upper surface 16a of receiver side boss 16 and cushion block boss 17 and 17a are resisted against on the lower surface 10a of female thread boss 9 and supply side boss 10.Bolt hole 18 passes through receiver side boss 16 and cushion block boss 17, and utilizes bolt 18a that the center of balace weight housing 11 is fastened on the tapped hole 9a of each bearing cap 5.Above-mentioned baffle plate 13 is formed the flat board of length and shell body 12 essentially identical substantially flats.Bolt hole 19 corresponding to the left side by baffle plate 13, the position of each flange 14, and utilizes bolt 19a the right side of balace weight housing 11 to be fastened on the tapped hole 8 on the left side of cylinder block 2 on the length direction of baffle plate 13.
As shown in Figure 2, in shell body 12, the balace weight axle 20 that is provided with a plurality of counterweight 20a at the eccentric position place is parallel to bent axle 4 and is provided with, and is arranged on to be pivoted under the state of axle journal 20b in being installed in the corresponding bearing hole 14a of flange 14 of balace weight axle 20 of two positions on the length direction of balace weight axle 20 and supports.The front end of balace weight axle 20 is outstanding forward from flange 14 in the front side, and driven gear 23 is fastened on the front end of balace weight axle 20 by bolt 21.Actuation gear 22 engagements on driven gear 23 and the front end that is fastened on bent axle 4.Balace weight axle 20 is rotated driving in the opposite direction in the mode with the rotational synchronization of bent axle 4, with the piston that offsets each cylinder and the vibration force that vertical motion was produced of connecting rod.
As shown in Figure 5, the front side of cap member 24 and balace weight housing 11 is whole forms to be located at the boundary between shell body 12 and the baffle plate 13.Cap member 24 comprises actuation gear 22, and the excircle of protection actuation gear 22 makes it not influence the food tray 7 of downside to prevent actuation gear 22 stirring machine oil.
On the other hand, as shown in Fig. 1 and Fig. 2, on a side of cylinder block 2, be parallel to the main oil gallery that bent axle 4 is formed for supplying with machine oil, so that when motor 1 rotates, the machine oil that comes from oil pump (oil supply source) (not shown) is fed in the main oil gallery.The bearing retaining part 2a of cylinder block 2 is formed with respectively along the finishing bathtray 26 of semicircle periphery, and finishing bathtray 26 is joined passage (the first oily passage) 27 by oil content and is communicated with main oil gallery 25, and communicates with the axle journal 4a of bent axle 4 by the oilhole of above-mentioned crankshaft bearing.
Therefore, the machine oil in main oil gallery 25 is joined passage 27 by corresponding oil content and is fed in the finishing bathtray 26, and is further supplied to the axle journal 4a of bent axle 4 by the oilhole of crankshaft bearing, to realize lubrication effect between axle journal 4a and crankshaft bearing.
In addition, be formed with corresponding oil groove 28 down at the bearing retaining part 5a of the bearing retaining part 5a of the bearing cap 5 of the front of #1 cylinder and the bearing cap 5 between #2 and #3 cylinder along semicircle periphery.The finishing bathtray 26 of following oil groove 28 and cylinder block 2 is continuous in to form circular groove and to surround crankshaft bearing.One end of oil supply gallery 29 (the second oily passage) links to each other with a corresponding side of oil groove 28 down, and the other end opening of oil supply gallery 29 is in the lower surface 10a of supply side boss 10.
Mode with a kind of opening corresponding to the oil supply gallery in supply side boss 10 29, among the upper surface 16a of the receiver side boss 16 of one end opening in housing 11 of oil receive path 30, and the other end opening of oily receive path 30 before balace weight housing 11 corresponding with rear bearing hole 14a in.Therefore, the machine oil that comes from main oil gallery 25 is fed in the finishing bathtray 26 and is used for the bearing of lubricated bent axle 4 as mentioned above, and part machine oil is directed in oil supply gallery 29 and the oily receive path 30 to reach a kind of lubrication effect between the axle journal 20b of the bearing hole 14a of balace weight housing 11 and balace weight axle 20 by finishing bathtray 26 and following oil groove 28.
Should be noted that, adopted a kind of measure to guarantee to seal the joint of oil supply gallery 29 and oily receive path 30, although omitted detailed description.
As mentioned above, in the oil passage structure of the related motor 1 of present embodiment, the machine oil that comes from main oil gallery 25 is fed into the bearing of balace weight axle 20 by the bearing of bent axle 4, therefore, satisfy oil content and joined the needs that passage 27, oil supply gallery 29 and oily receive path 30 form continuously, thus, can simplify oil passage structure greatly.
Below the mounting structure of the balace weight housing 11 in the motor 1 of above-mentioned structure is described.
At first, balace weight housing 11 is fastened on the bottom of all bearing caps 5, and bearing cap 5 supports each axle journal 4a of bent axle 4 discretely, and balace weight housing 11 also is fastened on the bottom of cylinder block 2.Therefore, to prevent them each other relative to crooked (moving), in addition, bearing cap 5 also links to each other with cylinder block 2 to prevent that bearing cap 5 is with respect to cylinder block 2 bendings by balace weight housing 11 bearing cap 5 by 11 interconnection of balace weight housing.This has realized the support stiffness that bent axle 4 is enough, and has reduced effectively because the engine noise that insufficient rigidity causes.
In addition, owing to can support bent axle 4, therefore need not to adopt measure as the integrated bearing cap 5 that discloses among the Japanese Laid-Open Patent Publication No.2000-65149 with above-mentioned enough rigidity.If therefore can eliminate shortcoming such as manufacture cost that adopts above-mentioned such measure to occur and engine weight increase.
In addition, the flange 14 of balace weight housing 11 has the high rigidity that is enough to balance support device axle 20, and particularly in the present embodiment, flange 14 in the mode of the bearing cap 5 that corresponds essentially to cylinder block 2 by directly fastening, therefore because the high rigidity of flange 14 can more effectively prevent the bending of bearing cap 5.
In addition, the shell body 12 of balace weight housing 11 is offset to the right from bent axle 4, the right side of shell body 12 is fastened on the right side of cylinder block 2, and the left side of shell body 12 is fastened on the bearing cap 5, and the left side of the baffle plate 13 that extends left from shell body 12 is fastened on the left side of cylinder block 2.That is, balace weight housing 11 is fastened on the cylinder block 2 in the both sides of the fastened position of bearing cap 5, therefore, can more effectively prevent the bending of bearing cap 5.
In addition, as shown in Figure 5, because shell body 12 is crooked along the outer periphery of balace weight axle, so it has high rigidity.On the other hand, the border between shell body 12 and smooth basically baffle plate 13 is crooked easily, this be since its cross section with right-angle bending, but owing to exist and the integrally formed cap member 24 in border, therefore can prevent its bending.Therefore, can improve the integral rigidity of balace weight housing 11 greatly, this helps to prevent the bending of bearing cap 5 very much.
For above-mentioned reasons, the use of balace weight housing 11 can stop the bending of bearing cap 5 effectively, and further improves the support stiffness of bent axle 4.
In addition, balace weight housing 11 is divided into bent axle 4 one sides and food tray 7 one sides by shell body 12 and baffle plate 13, and this has prevented the oil level variation in the food tray 7 and has prevented that bent axle 4 from stirring machine oil.In addition, because shell body 12 is positioned at the below of balace weight axle 20, balace weight axle 20 and bent axle 4 are separated with food tray 7, thereby can prevent that balace weight axle 20 from stirring machine oil.Therefore, can avoid because the various troubles that oil level changes and the stirring of machine oil causes.
On the other hand, the shell body 12 that supports single balace weight axle 20 is narrower in the horizontal direction, therefore be provided with in a kind of mode that is offset to the right from bent axle 4 as shell body 12, the right side of shell body 12 is with regard to the right side of the bottom of close cylinder block 2 so, and the opposite side of shell body 12 is near the bottom 2 of bearing cap 5, so that shell body 11 can be set at comfortable position.
In addition, because cylinder block 2 is tilted to the left with respect to the horizontal surface that accumulates in the machine oil in the food tray 7, therefore on the right side of food tray 7, form the dead band, and shell body 12 is set in this dead band.
For above-mentioned reasons, can shell body 12 be set by the space of effectively utilizing in food tray 7, the size that can suppress motor 1 because balace weight housing 11 is installed increases, and the height that particularly can suppress motor 1 increases.
On the other hand, although balace weight housing 11 is fastened on each bearing cap 5 a position, balace weight housing 11 is fastened on the cylinder block 2 in the both sides of the fastened position of bearing cap 5, therefore can prevent the bending of bearing cap 5 effectively.In addition, if balace weight housing 11 is fastened on each bearing cap 5 in an above-mentioned position, just can simplify for example operation of the bolton in assembling process.
It should be understood that to the invention is not restricted to the foregoing description, but can be under the situation that does not break away from spirit of the present invention in the above-described embodiments, or carry out various changes based on the foregoing description.For example, although in the above-described embodiments, the mounting structure of balace weight housing 11 is applied to three cylinders petrol engine 1 in upright arrangement, but the invention is not restricted to this, but the present invention can be applicable to diesel engine, and can change the quantity and the layout of cylinder, as long as motor 1 is to constitute like this, that is, the balace weight housing 11 of balance support device axle 20 is installed on the bottom of cylinder block 2.
In addition, although in the above-described embodiments, the shell body 12 that supports single balace weight axle 20 is provided with in a kind of mode that is offset to the right from bent axle 4, and baffle plate 13 extends left, but the position of the quantity of balace weight axle 20 and shell body 12 is not limited thereto, but for example, the shell body 12 that supports two balace weight axles 20 can be arranged on the right side and left side of bent axle 4, and can omit baffle plate 13.
In addition, although in the above-described embodiments, balace weight housing 11 is fastened on all bearing caps 5, but the invention is not restricted to this, but for example, it also can be configured to such form, that is, balace weight housing 11 is not fastened on the bearing cap 5 at the #3 cylinder rear portion among Fig. 2.
In addition,, utilize actuation gear 22 and driven gear 23 to come rotating drive balace weight axle 20, the invention is not restricted to this, but also can utilize chain to drive rotating drive balace weight axle 20 although in the above-described embodiments.
Claims (10)
1. mounting structure that is used for the balace weight housing of motor, the balace weight housing (11) that is wherein supporting a balace weight axle (20) pivotally is arranged on the downside of cylinder block (2), and balace weight axle (20) is rotated driving in the mode with the rotational synchronization of bent axle (4), it is characterized in that
The axle journal (4a) of bent axle (4) is supported on the cylinder block (2) pivotally by bearing cap (5), and balace weight housing (11) is fastened on each bottom of bearing cap (5) and on the bottom of cylinder block (2).
2. the mounting structure that is used for the balace weight housing of motor as claimed in claim 1, it is characterized in that, balace weight axle (20) is a single shaft, the position of its any side in departing from bent axle (4) both sides is supported on the described balace weight housing (11), and a side of described balace weight housing (11) is fastened to the bottom of cylinder block (2), and the opposite side of described balace weight housing (11) is fastened to the bottom of bearing cap (5).
3. the mounting structure that is used for the balace weight housing of motor as claimed in claim 2, it is characterized in that, cylinder block (2) is provided with in the mode of any lopsidedness in described bent axle (4) both sides, and balace weight axle (20) with the relative lateral deviation of the inclined side of cylinder block (2) from a position be balanced device housing (11) and support.
4. the mounting structure that is used for the balace weight housing of motor as claimed in claim 2, it is characterized in that, described balace weight housing (11) comprising: be fastened on the shell body (12) on the bearing cap (5), it is used for holding balace weight axle (20) in a position of departing from from bent axle (4); And the baffle plate (13) that extends integratedly towards a described relative side that departs from side from shell body (12), an end of balace weight housing (11) is fastened on the bottom of cylinder block (2) in a described relative side that departs from side.
5. the mounting structure that is used for the balace weight housing of motor as claimed in claim 4 is characterized in that, described shell body (12) and baffle plate (13) be the whole lower surface of coating gas cylinder body (2) basically.
6. the mounting structure that is used for the balace weight housing of motor as claimed in claim 4, it is characterized in that, also comprise the cap member that is integrally formed in the boundary between shell body (12) and the baffle plate (13), described cap member covers the secondary part (23) that is used for described balace weight axle (20).
7. the mounting structure that is used for the balace weight housing of motor as claimed in claim 6 is characterized in that, described secondary part (23) comprises and the driven gear that is installed in actuation gear (22) engagement on the front end of bent axle (4).
8. the mounting structure that is used for the balace weight housing of motor as claimed in claim 1, it is characterized in that, described bent axle (4) comprises a plurality of axle journals (4a), and bearing cap (5) is located in a plurality of axle journals (4a) on corresponding one, and balace weight housing (11) is fastened to a position on the bottom of each bearing cap (5), and is fastened on the bottom of the cylinder block (2) on the both sides that are positioned at bent axle (4).
9. the mounting structure that is used for the balace weight housing of motor as claimed in claim 1 is characterized in that, also comprises:
With the mode that cooperates with bearing cap (5) support pivotally the axle journal (4a) of bent axle (4) the bearing retaining part (2a, 5a);
Be formed on bearing retaining part (2a, 5a) oil groove in (26);
Be formed on the pivot supporting part (14) of balance support device axle (20) of being used in the balace weight housing (11);
Be formed on the main oil gallery (25) in the cylinder block (2), machine oil is fed into main oil gallery (25) from oily supply source;
From the first oily passage (27) of main oil gallery (25) branch, be used for engine oil supplying to oil groove (26); And
The second oily passage (29) that connects oil groove (26) and supporting part (14).
10. the mounting structure that is used for the balace weight housing of motor as claimed in claim 9, it is characterized in that, balace weight axle (20) is arranged on the below of bent axle (4), and the first oily passage (27) links to each other with the top of oil groove (2a, 5a), and the second oily passage (29) links to each other with the bottom of oil groove (2a, 5a).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003176716A JP4161202B2 (en) | 2003-06-20 | 2003-06-20 | Mounting structure of balancer housing in engine |
| JP176716/2003 | 2003-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1573161A true CN1573161A (en) | 2005-02-02 |
| CN1325818C CN1325818C (en) | 2007-07-11 |
Family
ID=33534907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100481667A Expired - Fee Related CN1325818C (en) | 2003-06-20 | 2004-06-21 | Mounting structure of balancer casing for engine |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4161202B2 (en) |
| KR (1) | KR100570423B1 (en) |
| CN (1) | CN1325818C (en) |
| DE (1) | DE102004028936A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306504A (en) * | 2016-02-19 | 2017-10-31 | 雅马哈发动机株式会社 | Machine with reciprocating-block slider crank mechanism and the method for designing the machine with reciprocating-block slider crank mechanism |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202009017859U1 (en) * | 2009-10-07 | 2010-07-15 | Ixetic Hückeswagen Gmbh | Module for balancing mass forces and / or moments of an internal combustion engine, internal combustion engine |
| KR101305857B1 (en) * | 2011-10-20 | 2013-09-06 | 현대자동차주식회사 | Balance shaft assembly for vehicle |
| DE102012005564A1 (en) | 2012-03-20 | 2013-09-26 | Daimler Ag | Bearing arrangement of balancer shaft for three-cylinder internal combustion engine, has housing portion with limited receiving space that is let free from lubricant of internal combustion engine during operation of engine |
| JP2021071100A (en) | 2019-11-01 | 2021-05-06 | トヨタ自動車株式会社 | Bearing cap, internal combustion engine, and manufacturing method of internal combustion engine |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3710774A (en) * | 1970-10-26 | 1973-01-16 | Allis Chalmers Mfg Co | Lube oil pump drive for balancer |
| JPH04248041A (en) * | 1991-01-09 | 1992-09-03 | Nissan Motor Co Ltd | Balance shaft housing for internal combustion engine |
| US5535643A (en) * | 1993-11-12 | 1996-07-16 | General Motors Corporation | Anti-rattle engine balancer which drives associated oil pump |
| DE29520557U1 (en) * | 1995-12-27 | 1997-04-24 | FEV Motorentechnik GmbH & Co. KG, 52078 Aachen | 4-cylinder reciprocating machine with mass balance |
| JP3307233B2 (en) * | 1996-07-24 | 2002-07-24 | スズキ株式会社 | Outboard engine |
| JP3708857B2 (en) * | 2001-09-17 | 2005-10-19 | 本田技研工業株式会社 | Housing for balance shaft |
-
2003
- 2003-06-20 JP JP2003176716A patent/JP4161202B2/en not_active Expired - Fee Related
-
2004
- 2004-06-15 DE DE102004028936A patent/DE102004028936A1/en not_active Withdrawn
- 2004-06-16 KR KR1020040044476A patent/KR100570423B1/en not_active IP Right Cessation
- 2004-06-21 CN CNB2004100481667A patent/CN1325818C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306504A (en) * | 2016-02-19 | 2017-10-31 | 雅马哈发动机株式会社 | Machine with reciprocating-block slider crank mechanism and the method for designing the machine with reciprocating-block slider crank mechanism |
| US10161476B2 (en) | 2016-02-19 | 2018-12-25 | Yamaha Hatsudoki Kabushiki Kaisha | Machine having reciprocating slider crank mechanism, and method for designing machine having reciprocating slider crank mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005009447A (en) | 2005-01-13 |
| DE102004028936A1 (en) | 2005-01-20 |
| KR100570423B1 (en) | 2006-04-11 |
| JP4161202B2 (en) | 2008-10-08 |
| KR20040110103A (en) | 2004-12-29 |
| CN1325818C (en) | 2007-07-11 |
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Address after: No. 21, No. 3, Dingmu, No. 1, Toshiba, Tokyo, Japan Patentee after: Mitsubishi Jidosha Kogyo Kabushiki Kaisha Address before: Tokyo, Japan Patentee before: Mitsubishi Jidosha Kogyo Kabushiki Kaisha |
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