CN204458983U - Balance shaft assembly and motor - Google Patents
Balance shaft assembly and motor Download PDFInfo
- Publication number
- CN204458983U CN204458983U CN201420736509.8U CN201420736509U CN204458983U CN 204458983 U CN204458983 U CN 204458983U CN 201420736509 U CN201420736509 U CN 201420736509U CN 204458983 U CN204458983 U CN 204458983U
- Authority
- CN
- China
- Prior art keywords
- shaft assembly
- balance shaft
- axle
- oil pump
- bearing
- 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.)
- Active
Links
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a kind of balance shaft assembly and motor, this balance shaft assembly (10) comprises axle (10), and wherein, one end of this axle (10) has oil pump drive portion (20).Therefore, the axle of balance shaft assembly is integrated with oil pump drive portion (20), while the inertial force that can produce at balanced engine piston, oil pump is driven to carry out work, and then minimizing driving component, simplify the complete machine structure of motor, reduce the package size of motor, be beneficial to arrangement, realize engine design compactedness and light-weighted object.
Description
Technical field
The utility model relates to engine component technical field, particularly, relates to a kind of balance shaft assembly and the motor comprising this balance shaft assembly.
Background technique
Trunnion shaft is used for the reciprocal inertia force of piston when balanced engine operates, and reduces vibrations and the noise of motor, improve durability and the reliability of component, and the travelling comfort of driving is taken advantage of in lifting.Existing trunnion shaft is only provided with the counterweight for balance inertial force, function singleness, the requirement of auto parts and components variation function cannot be met.
Model utility content
An object of the present utility model is to provide a kind of balance shaft assembly, and this balance shaft assembly can driving machine oil pump.
Another object of the present utility model is to provide a kind of motor, and this motor comprises the balance shaft assembly that the utility model provides.
To achieve these goals, according to an aspect of the present utility model, provide a kind of balance shaft assembly, this balance shaft assembly comprises axle, and wherein, one end of this axle has oil pump drive portion.
Preferably, the shape of cross section of described oil pump drive portion is non-circular.
Preferably, described oil pump drive portion and described axle integrally formed.
Preferably, the first side of described axle is provided with clutch shaft bearing, and the second side is provided with the second bearing, and described balance shaft assembly comprises the second equilibrium block, and this second equilibrium block is set in the second side of described axle and is positioned at the outside of described second bearing.
Preferably, the end face of the other end of described axle is formed with tapped hole, with fixing described second equilibrium block in bolton to this tapped hole.
Preferably, described balance shaft assembly comprises driving wheel, and this driving wheel is sleeved on the first side of described axle and between described oil pump drive portion and described clutch shaft bearing, and the side surface of this driving wheel is integrated with the first equilibrium block.
Preferably, described first equilibrium block is integrated on the inner surface of described driving wheel.
Preferably, this balance shaft assembly comprises Injection Pump driving cam, and this Injection Pump driving cam is integrally formed on described axle.
Preferably, described Injection Pump driving cam is positioned at the inner side of described second bearing near described second bearing.
According to the another aspect of model utility, provide a kind of motor, this motor comprises the trunnion shaft that the utility model provides.
Pass through technique scheme, the axle of balance shaft assembly is integrated with oil pump drive portion, while the inertial force that can produce at balanced engine piston, oil pump is driven to carry out work, and then minimizing driving component, simplify the complete machine structure of motor, reduce the package size of motor, be beneficial to arrangement, realize engine design compactedness and light-weighted object.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the structural representation of the trunnion shaft provided according to the utility model preferred implementation;
Fig. 2 is the structural representation of the trunnion shaft drive condition provided according to the utility model preferred implementation.
Description of reference numerals
10 axle 11 first equilibrium block 12 second equilibrium blocks
13 clutch shaft bearing 14 second bearing 15 bolts
16 driving wheel 20 oil pump drive portion 30 Injection Pump driving cams
40 oil pump 50 Injection Pumps
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use such as " upper and lower, left and right " typically refers to page with reference to the accompanying drawings.
As shown in Figure 1, the utility model provides a kind of balance shaft assembly, comprises axle 10, and wherein, one end of this axle 10 has oil pump drive portion 20.
Therefore, by being integrated with oil pump drive portion 20 dexterously on the axle 10 of balance shaft assembly, while the inertial force that can produce at balanced engine piston, drive oil pump to carry out work, and then reduce driving component, save production cost, simplify the complete machine structure of motor, reduce the package size of motor, be beneficial to arrangement, realize engine design compactedness and light-weighted object.
In this article, " interior " and " outward " is for product relative concept itself, namely comparatively speaking, by paracentral be in, deep is outward.In addition, term " first " and " second " are also only used for the object described, and can not be interpreted as it is quantity in order to expressing feature, or represent or the significance of hint feature.Moreover the first side and the second side are both sides or the two ends of spindle, but are not the least significant end of spindle, but spindle comprise end and there is the segmentum laterale of certain length.
Preferably, in order to improve efficiency of assembling, be beneficial to the transmission of power, the shape of cross section of oil pump drive portion 20 can be non-circular.Therefore, the oil pump drive portion 20 of one end of trunnion shaft 10 can form positive, to transmit larger torque with the internal rotor of oil pump 40.Further, use the oil pump drive portion 20 with non-circular cross-section to assemble with oil pump 40, only need directly oil pump drive portion 20 to be inserted in the internal rotor of oil pump 40, and fix without the need to carrying out other, save assembly cost.
Further, in order to realize transmission of power better, the shape of cross section of described oil pump drive portion 20 is cydariform.Cydariform refers to watches bulging shape from the side, that is, the shape of the cross section of oil pump drive portion 20 is the close-shaped of the camber line composition of upper and lower two parallel lines and the left and right sides.
Oil pump drive portion 20 can be arranged at one end of axle 10 in many ways, and being such as threaded connection, welding or the mode such as clamping, is the structure simplifying axle 10, reduce technology difficulty, save cost, preferably, this oil pump drive portion 20 is integrally formed with this axle 10.
Trunnion shaft is installed on engine cylinder-body by two bearings usually.In the utility model, as depicted in figs. 1 and 2, the first side of the axle 10 of this balance shaft assembly is provided with clutch shaft bearing 13, and the second side is provided with the second bearing 14.This clutch shaft bearing 13 and the second bearing 14 are suitable for arbitrarily for common in related domain bearing trunnion shaft 10 being installed on engine cylinder-body, and the utility model does not limit this, all belongs among protection domain of the present utility model.In addition, described balance shaft assembly also comprises the second equilibrium block 12, and this second equilibrium block 12 is sleeved on the second side of described axle 10 and is positioned at the outside of described second bearing 14.The reciprocal inertia force of piston when second equilibrium block 12 operates for balanced engine.
In this embodiment, the second equilibrium block 12 and axle 10 are split type, and it is releasably attached on axle 10, and are positioned at the outside of the second bearing 14.Because existing trunnion shaft is mostly integrated type, equilibrium block and axle are structure as a whole, and can not be split.Therefore, when installing the balance shaft assembly that the utility model provides, first axle 10 can be installed on engine cylinder-body, and then the second equilibrium block 12 is installed to the second side of axle 10 from outside cover, thus easily balance shaft assembly can be installed.
As a kind of preferred embodiment, the end face of the other end of described axle 10 is formed with tapped hole, bolt 15 is fastened in this tapped hole with fixing described second equilibrium block 12.That is, the second equilibrium block 12 cover is installed to the second rear flank of axle 10, then bolt 15 is fastened in tapped hole, can easily the second equilibrium block 12 be fixed firmly on axle 10.
Reference character 16 represents the driving wheel on balance shaft assembly, such as gear, belt pulley or sprocket wheel etc.In the utility model, driving wheel 16 can be sleeved on described axle 10 the first side and between described oil pump drive portion 20 and described clutch shaft bearing 13.In addition, the side surface of this driving wheel 16 is integrated with the first equilibrium block 11.
As shown in Figure 2, the gears meshing of driving wheel 16 usually and on engine crankshaft, to be rotated by bent axle band moving axis 10.In this embodiment, the side surface of driving wheel 16 can be integrated with the first equilibrium block 11.Thus, by the first equilibrium block 11 and the second equilibrium block 12, can better balanced engine running time piston reciprocal inertia force, and then reduce noise, slow down car load vibrations, the travelling comfort of lifting vehicle.First equilibrium block 11 can be integrated on driving wheel 16, also can be integrated on driving wheel 16 by other means, such as weld, bonding, connected etc. by fastening piece.
When rotating to prevent axle 10, the first equilibrium block 11 and other component are interfered mutually, and the first equilibrium block 11 is preferably integrated on the inner surface of described driving wheel 16.
In order to improve functional integration further, reduce package size, the space being beneficial to complete machine is arranged, this balance shaft assembly also comprises Injection Pump driving cam 30, and this Injection Pump driving cam 30 is integrally formed on described axle 10.Therefore, when trunnion shaft 10 rotates, Injection Pump driving cam 30 can drive the tappet roller of Injection Pump 50 to rotate and move reciprocatingly to promote plunger, thus drives Injection Pump 50 to work, will participate in burning in fuel oil spirt firing chamber to drive motor.
Preferably, arranging, avoiding the mutual interference of oil pump 40 and Injection Pump 50 to be beneficial to space, this Injection Pump driving cam 30 is near described second bearing 14 and be positioned at the inner side of this second bearing 14.Thus, oil pump 40 and Injection Pump 50 lay respectively at the two ends of trunnion shaft, can driving machine oil pump 40 and Injection Pump 50 work, and it are smooth and easy to work both ensureing, does not mutually produce interference when trunnion shaft 10 rotates simultaneously.In addition, Injection Pump driving cam 30 is arranged near the second bearing 14, and trunnion shaft 10 can be made better stressed, is not easy to bending.
Now, driving wheel 16, between Injection Pump driving cam 30 and oil pump drive portion 20, therefore, can greatly reduce the load that axle 10 is subject to, the working life of extending shaft 10.
By being arranged between drive portion 20 and cam 30 by driving wheel 50, and driving wheel 20 and cam 30 all being arranged near the bearing place of trunnion shaft 10, trunnion shaft 10 can be made better stressed, be not easy to bending.
To sum up, axle 10 on the balance shaft assembly that the utility model provides is integrated with oil pump drive portion 20 and Injection Pump driving cam 30 dexterously, and the two is reasonably arranged on trunnion shaft 10, the complete machine structure of motor can be simplified, reduce the package size of motor, reduce costs, be beneficial to arrangement.In addition, equilibrium block is removably connected on trunnion shaft 10, convenient for maintaining.Meanwhile, also the first equilibrium block 11 is integrated on driving wheel 16, makes balance shaft structure compact, save arrangement space.Therefore, the utility model has great practicability and promotional value.
Finally, the utility model is claimed a kind of motor also, and this motor comprises balance shaft assembly mentioned above.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned mode of execution; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristics described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different mode of execution of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. a balance shaft assembly, comprises axle (10), it is characterized in that, one end of this axle (10) has oil pump drive portion (20), and the shape of cross section of described oil pump drive portion (20) is non-circular.
2. balance shaft assembly according to claim 1, is characterized in that, described oil pump drive portion (20) is integrally formed with described axle (10).
3. balance shaft assembly according to claim 1, it is characterized in that, first side of described axle (10) is provided with clutch shaft bearing (13), second side is provided with the second bearing (14), described balance shaft assembly comprises the second equilibrium block (12), and this second equilibrium block (12) is set in the second side of described axle (10) and is positioned at the outside of described second bearing (14).
4. balance shaft assembly according to claim 3, is characterized in that, the end face of the other end of described axle (10) is formed with tapped hole, and bolt (15) is fastened in this tapped hole with fixing described second equilibrium block (12).
5. balance shaft assembly according to claim 3, it is characterized in that, described balance shaft assembly comprises driving wheel (16), this driving wheel (16) is sleeved on the first side of described axle (10) and is positioned between described oil pump drive portion (20) and described clutch shaft bearing (13), and the side surface of this driving wheel (16) is integrated with the first equilibrium block (11).
6. balance shaft assembly according to claim 5, is characterized in that, described first equilibrium block (11) is integrated on the inner surface of described driving wheel (16).
7. balance shaft assembly according to claim 3, is characterized in that, this balance shaft assembly comprises Injection Pump driving cam (30), and this Injection Pump driving cam (30) is integrally formed on described axle (10).
8. balance shaft assembly according to claim 7, is characterized in that, described Injection Pump driving cam (30) is near described second bearing (14) and be positioned at the inner side of described second bearing (14).
9. a motor, is characterized in that, described motor comprises balance shaft assembly according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736509.8U CN204458983U (en) | 2014-11-28 | 2014-11-28 | Balance shaft assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420736509.8U CN204458983U (en) | 2014-11-28 | 2014-11-28 | Balance shaft assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204458983U true CN204458983U (en) | 2015-07-08 |
Family
ID=53665871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420736509.8U Active CN204458983U (en) | 2014-11-28 | 2014-11-28 | Balance shaft assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204458983U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163056A (en) * | 2018-10-31 | 2019-01-08 | 安徽江淮汽车集团股份有限公司 | Three-cylinder engine balance system |
-
2014
- 2014-11-28 CN CN201420736509.8U patent/CN204458983U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109163056A (en) * | 2018-10-31 | 2019-01-08 | 安徽江淮汽车集团股份有限公司 | Three-cylinder engine balance system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102996707B (en) | Engine balance shaft system | |
| JP6659679B2 (en) | Power unit | |
| CN100432479C (en) | Engine crankshaft balance shaft mechanism | |
| CN204458983U (en) | Balance shaft assembly and motor | |
| CN102322244A (en) | Oil pumping machine | |
| CN104832593A (en) | Balance shaft assembly and engine | |
| CN203115026U (en) | Novel timing sleeve chain transmission system for diesel engine | |
| CN2709706Y (en) | Balance axle mechanism of motor | |
| CN105626771A (en) | Variable balance shaft system of engine | |
| CN204459007U (en) | Transmission of crankshaft system and motor | |
| CN101509423A (en) | Hypocycloid single cylinder diesel | |
| CN103161569A (en) | Engine accessory gear train system | |
| CN104712705B (en) | A kind of crankshaft of diesel engine flywheel assembly | |
| RU2661263C1 (en) | Hydraulic module integrated to transmission of motor vehicle with hydraulic drive | |
| CN206190397U (en) | Built -in speed change mechanism's diesel engine | |
| CN204344800U (en) | Motor and vehicle | |
| CN104565196B (en) | A kind of engine crankshaft balance shaft mechanism | |
| CN204344799U (en) | Trunnion shaft and motor | |
| CN111022181A (en) | Low inertia crankshaft transmission system | |
| CN204041230U (en) | Engine assembly and vehicle | |
| CN204677684U (en) | A kind of trunnion shaft damper mechanism for electrodeless variable-speed motor | |
| CN204553683U (en) | A kind of engine crankshaft balance shaft mechanism | |
| CN215761937U (en) | Engine and motorcycle thereof | |
| CN103438146A (en) | Balance mechanism of single cylinder diesel | |
| CN202215358U (en) | Oil pump transmission mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: Beiqi Futian Automobile Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |