CN203515841U - Engine cylinder block and engine - Google Patents
Engine cylinder block and engine Download PDFInfo
- Publication number
- CN203515841U CN203515841U CN201320708270.9U CN201320708270U CN203515841U CN 203515841 U CN203515841 U CN 203515841U CN 201320708270 U CN201320708270 U CN 201320708270U CN 203515841 U CN203515841 U CN 203515841U
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- Prior art keywords
- hole
- balance
- axocoel
- air
- engine
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- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 48
- 238000005461 lubrication Methods 0.000 claims description 7
- 239000010727 cylinder oil Substances 0.000 claims description 5
- 239000010721 machine oil Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an engine cylinder block and an engine. An upper balance shaft cavity and a lower balance shaft cavity are arranged at the upper part and the lower part of the engine cylinder block respectively; a first hole for mounting the front shaft neck of an upper balance shaft assembly is formed in one end in the upper balance shaft cavity, and a second hole for mounting the middle shaft neck of the upper balance shaft assembly is formed in the middle of the upper balance shaft cavity; a third hole is formed in the other end of the upper balance shaft cavity and used for mounting a U-shaped patch for sealing the upper balance shaft cavity. According to the embodiment of the utility model, a double-balance-shaft structure is adopted; an upper balance shaft is directly connected with the main oil gallery of the cylinder block through two inclined oil holes; a lower balance shaft is connected with the main bearing hole oil gallery of the cylinder block through two inclined oil holes; a chain drive mode is used for driving the two balance shafts to rotate so as to eliminate the first-order reciprocating inertial force and second-order vibration of the engine. Therefore, an ideal damping effect is achieved, the noise of the engine is lowered, the service life of the engine is prolonged, and comfort of passengers is improved.
Description
Technical field
The utility model relates to technical field of automobile engine, refers to especially a kind of engine cylinder-body and motor.
Background technique
In recent years, along with expanding economy and social progress, private car has progressively entered family, and people require also more and more higher for the travelling comfort of vehicle simultaneously.In current Automobile Design, reduce noise, vibration is most important for the travelling comfort level that improves vehicle, when motor is in working state, piston is done high-speed straight-line motion repeatedly in cylinder-bore, therefore can on piston, wrist pin and connecting rod, produce larger inertial force, except upper and lower dead-centre position, other inertial force can not reach state of equilibrium completely, and motor now has just produced vibration.
Centrifugal inertia force and centrifugal inertia force square when being provided with balancer weight in prior art rotating with balance crankshaft on bent axle, but the second order reciprocating inertial force of motor needs special balanced controls to carry out balance, and therefore the motor of existing vehicle is provided with trunnion shaft mostly.
The rotating speed of trunnion shaft of the prior art need to be higher than the rotating speed of bent axle, so trunnion shaft is lubricated most important.The lubricated of the trunnion shaft of existing motor completed by the lubricant oil that is poured into balanced controls inside, and this design does not arrange separately the lubricating oil path of balanced controls, and lubrication effect is not good, the supporting surface of trunnion shaft can not be carried out to good lubricating.And after lubrication oil consumption, can not supplement in time, be easy to cause lubricant oil disappearance, increase the danger of trunnion shaft wearing and tearing.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of cylinder body trunnion shaft cavity configuration that the balance shaft assembly that reduces engine luggine can be installed, and the engine cylinder-body and the motor that promote trunnion shaft lubrication effect.
In order to address the above problem, the utility model embodiment has proposed a kind of engine cylinder-body, and the upper and lower of described engine cylinder-body is respectively equipped with balance axocoel and lower balance axocoel;
One end in wherein said upper balance axocoel is provided with for installing the first hole of the front axle journal of balance shaft assembly, and the middle part of described upper balance axocoel is provided with for installing the second hole of the intermediate journal of balance shaft assembly, the other end of described upper balance axocoel is provided with the 3rd hole to install for sealing the bowl-type patch of upper balance axocoel; Described the first hole connects the main oil leab of cylinder body by the first inclined oil hole of air, and described the second hole connects the main oil leab of cylinder body by the second inclined oil hole of air;
One end in wherein said lower balance axocoel is provided with for the 4th hole of the front axle journal of lower balance shaft assembly is installed, and the middle part of described lower balance axocoel is provided with for the 5th hole of the intermediate journal of lower balance shaft assembly is installed, and the other end of described lower balance axocoel is provided with the 6th hole to install for sealing the bowl-type patch of lower balance axocoel; Described the 4th hole connects main bearing hole of cylinder oil duct by the 3rd inclined oil hole of air, and described the 5th hole connects main bearing hole of cylinder oil duct by the 4th inclined oil hole of air.
Wherein, the aperture in described the first hole, the 3rd hole, the 4th hole, the 6th hole is identical.
Wherein, described the second hole is identical with the aperture in the 5th hole, and its diameter is than the little 1mm of the diameter in the first hole.
Wherein, in described the second hole, be pressed with the intermediate journal that connects described upper balance shaft assembly after Upper shaft sleeve; In described the 5th hole, be pressed with the intermediate journal that connects described lower balance shaft assembly after Upper shaft sleeve.
Wherein, in upper balance axocoel and in lower balance axocoel, be provided with tool withdrawal groove and chamfering.
Wherein, upper balance axocoel and lower balance axocoel is all communicated with crankcase so that can directly get back in crankcase by upper balance axocoel and lower balance axocoel for the machine oil of lubrication balance axle in the first inclined oil hole of air, the second inclined oil hole of air, the 3rd inclined oil hole of air, the 4th inclined oil hole of air described in this.
Meanwhile, the utility model embodiment has also proposed a kind of motor, comprises the engine cylinder-body as described in front any one.
The beneficial effect of technique scheme of the present utility model is as follows:
In such scheme, on cylinder body, be provided with two balance axocoels that trunnion shaft is installed.The utility model has adopted the design in double balance shaft chamber, and directly by four inclined oil hole of air connecting engine lubricating oil paties, and the front axle journal of balance axocoel, intermediate journal distribute, for the balance shaft system of the second order reciprocating inertial force of balanced engine provides mounting point and lubricated, can alleviate cylinder body weight simultaneously.
Accompanying drawing explanation
Fig. 1 is the upper trunnion shaft sectional structure schematic diagram of the utility model embodiment's engine cylinder-body;
Fig. 2 is the A portion structure for amplifying schematic diagram in Fig. 1;
Fig. 3 is the B portion structure for amplifying schematic diagram in Fig. 1;
Fig. 4 is the lower trunnion shaft sectional structure schematic diagram of the utility model embodiment's engine cylinder-body;
Description of reference numerals:
1, the first hole;
2, the second hole;
3, the 3rd hole;
4, the first inclined oil hole of air;
5, the second inclined oil hole of air;
6, the 4th hole;
7, the 5th hole;
8, the 6th hole;
9, the 3rd inclined oil hole of air;
10, the 4th inclined oil hole of air;
11, upper balance axocoel;
12, lower balance axocoel.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearer, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model is for the bad problem of the trunnion shaft lubrication effect of motor in prior art, a kind of engine cylinder-body has been proposed, as shown in Figure 1 and Figure 2, the upper and lower of described engine cylinder-body is respectively equipped with balance axocoel 11 and lower balance axocoel 12 to its structure;
One end in wherein said upper balance axocoel 11 is provided with for installing the first hole 1 of the front axle journal of balance shaft assembly, and the middle part of described upper balance axocoel 11 is provided with for installing the second hole 2 of the intermediate journal of balance shaft assembly, and as shown in Figure 3, the other end of described upper balance axocoel 11 is provided with the 3rd hole 3 to install for sealing the bowl-type patch of upper balance axocoel 11; Described the first hole 1 connects cylinder body main oil gallery by the first inclined oil hole of air 4, and described the second hole 2 connects cylinder body main oil gallery by the second inclined oil hole of air 5; So that the machine oil in cylinder body main oil gallery enters between trunnion shaft fore bearing and the leading portion of trunnion shaft.
One end in wherein said lower balance axocoel 12 is provided with for the 4th hole 6 of the front axle journal of lower balance shaft assembly is installed, and the middle part of described lower balance axocoel 12 is provided with for the 5th hole 7 of the intermediate journal of lower balance shaft assembly is installed, and the other end of described lower balance axocoel 12 is provided with the 6th hole 8 to install for sealing the bowl-type patch of lower balance axocoel 12; Described the 4th hole 6 is the main bearing hole oil duct with the conducting of cylinder body main oil gallery by the 3rd inclined oil hole of air 9 connections, and described the 5th hole 7 is the main bearing hole oil duct with the conducting of cylinder body main oil gallery by the 4th inclined oil hole of air 10 connections; So that the lubricant oil in cylinder body main oil gallery enters between trunnion shaft fore bearing and the leading portion of trunnion shaft.
Wherein, described two trunnion shafves are used the transmission of the chain kind of drive, to drive two trunnion shafves to rotate.
As Figure 1 and Figure 4, upper balance axocoel 11 and lower balance axocoel 12 positions are symmetrical with respect to Gang Kong center.
Wherein, the aperture in described the first hole 1, the 3rd hole 3, the 4th hole 6, the 6th hole 8 is identical.Described the second hole 2 is identical with the aperture in the 5th hole 7, and its diameter is than the little 1mm of the diameter in the first hole 1.Such design can be convenient to cylinder body process for machining, and when press-fiting axle sleeve, is convenient to entering smoothly of axle sleeve.
Wherein, sand removal when rough-cast can be convenient in the 3rd hole 3 and the 6th hole 8, can also alleviate the weight of engine cylinder-body simultaneously.
Wherein, in described the second hole 2, be pressed with the intermediate journal that connects described upper balance shaft assembly after Upper shaft sleeve.Wherein, in described the 5th hole 7, be pressed with the intermediate journal that connects described lower balance shaft assembly after Upper shaft sleeve.
As shown in Figure 2 be the structure for amplifying schematic diagram of the interior installation axle sleeve of upper balance axocoel 11, in upper balance axocoel 11, be provided with tool withdrawal groove and chamfering.Tool withdrawal groove can be convenient to carry out withdrawing removal burr, and chamfering can play leading role when axle sleeve is installed.
Wherein, upper balance axocoel 11 and lower balance axocoel 12 is all communicated with crankcase so that can directly get back in crankcase by upper balance axocoel 11 and lower balance axocoel 12 for the machine oil of lubrication balance axle in the first inclined oil hole of air 4, the second inclined oil hole of air 5, the 3rd inclined oil hole of air 9, the 4th inclined oil hole of air 10 described in this.
Meanwhile, the utility model embodiment has also proposed a kind of motor, comprises foregoing engine cylinder-body.
In such scheme, on cylinder body, be provided with two balance axocoels that trunnion shaft is installed.The utility model has adopted the design in double balance shaft chamber, upper trunnion shaft directly connects cylinder body main oil gallery by two inclined oil hole of air, lower trunnion shaft connects main bearing hole of cylinder oil duct by two inclined oil hole of air, use the chain kind of drive to drive two trunnion shafves to rotate, for eliminating the first order reciprocating inertia force and the second order vibration of motor, thereby reach ideal effectiveness in vibration suppression, realize the object that reduces engine noise, increases the service life, promotes driver's travelling comfort, for this reason and the balance axocoel of design can guarantee good lubricated of balance shaft assembly, and housing structure is compact.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. an engine cylinder-body, is characterized in that, the upper and lower of described engine cylinder-body is respectively equipped with balance axocoel and lower balance axocoel;
One end in wherein said upper balance axocoel is provided with for installing the first hole of the front axle journal of balance shaft assembly, and the middle part of described upper balance axocoel is provided with for installing the second hole of the intermediate journal of balance shaft assembly, the other end of described upper balance axocoel is provided with the 3rd hole to install for sealing the bowl-type patch of upper balance axocoel; Described the first hole connects the main oil leab of cylinder body by the first inclined oil hole of air, and described the second hole connects the main oil leab of cylinder body by the second inclined oil hole of air;
One end in wherein said lower balance axocoel is provided with for the 4th hole of the front axle journal of lower balance shaft assembly is installed, and the middle part of described lower balance axocoel is provided with for the 5th hole of the intermediate journal of lower balance shaft assembly is installed, and the other end of described lower balance axocoel is provided with the 6th hole to install for sealing the bowl-type patch of lower balance axocoel; Described the 4th hole connects main bearing hole of cylinder oil duct by the 3rd inclined oil hole of air, and described the 5th hole connects main bearing hole of cylinder oil duct by the 4th inclined oil hole of air.
2. engine cylinder-body according to claim 1, is characterized in that, the aperture in described the first hole, the 3rd hole, the 4th hole, the 6th hole is identical.
3. engine cylinder-body according to claim 2, is characterized in that, described the second hole is identical with the aperture in the 5th hole, and its diameter is than the little 1mm of the diameter in the first hole.
4. engine cylinder-body according to claim 1, is characterized in that, press-fits the intermediate journal that supports described upper balance shaft assembly is installed after Upper shaft sleeve in described the second hole; After press-fiting Upper shaft sleeve in described the 5th hole, the intermediate journal that supports described lower balance shaft assembly is installed.
5. engine cylinder-body according to claim 1, is characterized in that, in upper balance axocoel and in lower balance axocoel, is provided with tool withdrawal groove and chamfering.
6. engine cylinder-body according to claim 1, it is characterized in that upper balance axocoel and lower balance axocoel is all communicated with crankcase so that can directly get back in crankcase by upper balance axocoel and lower balance axocoel for the machine oil of lubrication balance axle in the first inclined oil hole of air, the second inclined oil hole of air, the 3rd inclined oil hole of air, the 4th inclined oil hole of air described in this.
7. according to the engine cylinder-body described in claim 1-6 any one, it is characterized in that, upper balance axocoel and lower trunnion shaft cavity configuration are symmetrical with respect to Gang Kong center.
8. a motor, is characterized in that, comprises the engine cylinder-body as described in claim 1-7 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708270.9U CN203515841U (en) | 2013-11-11 | 2013-11-11 | Engine cylinder block and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320708270.9U CN203515841U (en) | 2013-11-11 | 2013-11-11 | Engine cylinder block and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515841U true CN203515841U (en) | 2014-04-02 |
Family
ID=50374783
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320708270.9U Expired - Fee Related CN203515841U (en) | 2013-11-11 | 2013-11-11 | Engine cylinder block and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417931A (en) * | 2021-01-25 | 2021-09-21 | 中国第一汽车股份有限公司 | Balance shaft assembly with good lubricating system |
-
2013
- 2013-11-11 CN CN201320708270.9U patent/CN203515841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417931A (en) * | 2021-01-25 | 2021-09-21 | 中国第一汽车股份有限公司 | Balance shaft assembly with good lubricating system |
| CN113417931B (en) * | 2021-01-25 | 2022-11-11 | 中国第一汽车股份有限公司 | Balance shaft assembly with good lubricating system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 |