CN102392710B - Driving mechanism for oil pump - Google Patents
Driving mechanism for oil pump Download PDFInfo
- Publication number
- CN102392710B CN102392710B CN 201110253097 CN201110253097A CN102392710B CN 102392710 B CN102392710 B CN 102392710B CN 201110253097 CN201110253097 CN 201110253097 CN 201110253097 A CN201110253097 A CN 201110253097A CN 102392710 B CN102392710 B CN 102392710B
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- China
- Prior art keywords
- hole
- shaft
- jack shaft
- oil pump
- driving mechanism
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- 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.)
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- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 239000003921 oil Substances 0.000 description 28
- 239000012467 final product Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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Abstract
The invention provides a driving mechanism for an oil pump, wherein the driving mechanism has compact arrangement, and is easy to mount. The driving mechanism comprises a chain, a driving gear, a compressing bolt, a supporting housing, a middle shaft and a transmission shaft, wherein the supporting housing is provided with a through hole; the middle shaft passing through the through hole of the supporting housing can be freely rotated; the driving gear is axially tightly propped to one end of the middle shaft along the middle shaft; hollow cavities in communication with two ends of the middle shaft are axially opened in the middle shaft; a threaded hole is mounted at one end of the hollow cavity closed to the driving gear, while the other end of the hollow cavity is structured as a quadrate hole; a primary shaft body adapted with a quadrate hole of the hollow cavity of the middle shaft is arranged at one end of the transmission shaft, while the other end of the transmission shaft is an optical shaft having diameter less than that of the threaded hole of the hollow cavity of the middle shaft; and a second quadrate hole adapted with the primary shaft body of the transmission shaft is arranged on the bearing of the oil pump. When mounting, each component is axially arranged in small space along the middle shaft; the driving mechanism can be applied to the spaces of different engines by changing the shape of the supporting housing, so that the engine can be arranged more compact.
Description
Technical field
The present invention relates to technical field of automobile engine, be specifically related to a kind of driving mechanism for oil pump.
Background technique
The effect of engine oil pump provides the lubricant oil with certain flow and pressure and supplies to each part position that need to lubricate or cool off.And the driving power of oil pump from engine crankshaft because the engine interior space is little, parts are many, therefore need the position of placement machine oil pump to make transmission efficiency higher, arrange compacter, to adapt to the real space requirement of motor; Simultaneously, because the engine interior parts are many, interfere easily, therefore require oil pump also restricted to the installation of oil pump, it is simple to need oil pump to install, and it is little to take up room during installation.
Summary of the invention
The objective of the invention is to propose a kind of characteristics of compact layout, easy-to-install driving mechanism for oil pump.
The driving mechanism for oil pump that proposes according to the present invention, key is that described driving mechanism for oil pump comprises chain, actuation gear, hold-down bolt, support housing, jack shaft and transmission shaft, described support housing is provided with through hole, described jack shaft passes the through hole of support housing and free to rotate, described actuation gear is along an axially tight end against jack shaft of jack shaft, the inside of described jack shaft offers the cavity that is communicated with the jack shaft two ends vertically, described cavity is set to tapped hole near an end of actuation gear, the other end of described cavity is set to square hole, one end of described transmission shaft is the main shaft body adaptive with the square hole of described jack shaft cavity, the other end be diameter less than the optical axis of the tapped hole of described jack shaft cavity, the bearing of described oil pump is provided with the second hole adaptive with the main shaft body of described transmission shaft.
Driving mechanism for oil pump of the present invention, be connected with engine crankshaft with chain by actuation gear, be arranged in the bent axle below, support housing and motor body are fixed, support housing is provided with the jack shaft that can rotate in support housing, during installation, first support housing, chain and actuation gear install, good direction is inserted transmission shaft in the cavity of jack shaft again, again oil pump alignment jack shaft is installed, hold-down bolt is installed at last again, constantly screw in the process of tapped hole of jack shaft at hold-down bolt, hold-down bolt constantly pushes into transmission shaft in the square hole of jack shaft, until the second hole that transmission shaft passes the square hole of jack shaft and pierces into the oil pump bearing gets final product.When installing like this, only need along the axial placement of jack shaft each parts to be installed and get final product, it is little that the space that takies is installed, and just can make the present invention adapt to the different space layout of different motors by the shape that changes support housing, makes engine arrangement compacter.
The through hole of described jack shaft and described support housing is Spielpassung.Or described jack shaft passes through the bearing shell support and connection in described support housing.The through hole of jack shaft support housing can support with bearing shell and cooperate, and also can be Spielpassung, only needs jack shaft to rotate in the through hole of support housing and gets final product.Adopt Spielpassung under the condition that guarantees the contact strength between jack shaft and the support housing, and at support housing oil leab is set and introduces lubricant oil in to through hole, such method ratio arranges bearing shell will simpler and compact structure.
The square hole of described jack shaft is cubic hole or hexagonal hole, convenient processing; Better mode of execution is to adopt hexagonal hole, so that simpler when transmission shaft is installed.
The main shaft body two ends of described transmission shaft are equipped with conical introduction segment, so just can prevent because the second hole of the square hole of the main shaft body of transmission shaft and jack shaft cavity and oil pump bearing can not screw in because axially misplace.
End by in the cavity of the square hole of described jack shaft cavity is provided with the importing inclined-plane adaptive with the introduction segment of described transmission shaft main shaft body, and the square hole of jack shaft cavity is squeezed into and passed to convenient like this transmission shaft.
Described actuation gear comprises oil pump gear and auxiliary driving gear, and described auxiliary driving gear so just can increase auxiliary drive or transmission by the auxiliary driving gear along an axially tight end against jack shaft of jack shaft.
Described chain is provided with tension device, so just can guarantee the stability of chain transmission.
Description of drawings
Fig. 1 is decomposition texture schematic representation of the present invention.
Fig. 2 is the structural representation after the present invention assembles.
Fig. 3 be hold-down bolt of the present invention do not tighten the forward position transmission shafts to sectional view.
Fig. 4 be run quickly the hold-down bolt of invention tighten rear along transmission shafts to sectional view.
Fig. 5 is the structure for amplifying schematic representation of transmission shaft of the present invention.
Fig. 6 is the structural representation of jack shaft of the present invention.
Fig. 7 is the axial sectional view of jack shaft of the present invention.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and working principle etc. are described in further detail.
Such as Fig. 1 to 7, driving mechanism for oil pump of the present invention, comprise chain 1, actuation gear, hold-down bolt 3, support housing 4, jack shaft 5 and transmission shaft 6, described support housing 4 is provided with through hole 41, described jack shaft 5 is rotatably connected in the through hole 41 of support housing 4, described actuation gear is along an axially tight end against jack shaft 5 of jack shaft 5, the inside of described jack shaft 5 offers the cavity 51 that is communicated with jack shaft 5 two ends vertically, described cavity 51 is set to tapped hole 511 near an end of actuation gear, the other end of described cavity 51 is set to square hole 512, one end of described transmission shaft 6 is the main shaft body 61 adaptive with the square hole 512 of described jack shaft cavity 51, the other end be diameter less than the optical axis 62 of the tapped hole 511 of described jack shaft cavity 51, the bearing of described oil pump is provided with the second hole adaptive with the main shaft body 61 of described transmission shaft 6.Wherein 7 is the oil pump body, and 8 is bent axle, and 81 is crankshaft sprocket.Screw-down torque for fear of hold-down bolt 3 is excessive, and area of contact can't be transmitted more moment of torsion not, also is provided with pad 31 for hold-down bolt 3.
When the present invention installs, first support housing 4, chain 1 and actuation gear are installed, again 6 pairs of good directions of transmission shaft are inserted in the cavity 51 of jack shaft 5, again oil pump alignment jack shaft (making the dead in line of axis and the oil pump live axle of jack shaft 5) is installed, such as Fig. 3.Hold-down bolt 3 is installed at last again, constantly screw in the process of tapped hole 511 of jack shafts 5 at hold-down bolt 3, hold-down bolt 3 constantly pushes into transmission shaft 6 in the square hole 512 of jack shaft 5, until the second hole that transmission shaft 6 passes the square hole 512 of jack shaft and pierces into the oil pump bearing gets final product, such as Fig. 4.When installing like this, only need along the axial placement of jack shaft 5 each parts to be installed and get final product, it is little that the space that takies is installed, and just can make the present invention adapt to the different space layout of different motors by the shape that changes support housing 4, makes engine arrangement compacter.
As preferred embodiment, jack shaft 5 of the present invention is Spielpassung with the through hole 41 of described support housing 4.Use the mode that is rotatably connected of bearing shells with respect to the through hole 41 of jack shaft 5 and support housing 4, directly adopt Spielpassung and oil leab is set to the more simple compactness of method of through hole 41 interior introducing lubricant oil at support housing 4.
Further, the square hole 512 of jack shaft 5 of the present invention is hexagonal hole, and the main shaft body 61 of corresponding transmission shaft 6 is six square shafts, and is convenient when like this transmission shaft 6 being installed.
Further, main shaft body 61 two ends of described transmission shaft 6 are equipped with conical introduction segment 611 and 612, so just can prevent because the second hole of the square hole 512 of the main shaft body 61 of transmission shaft 6 and jack shaft cavity and oil pump bearing can not screw in because axially misplace.
Ends by in the cavity 51 of the square hole 512 of described jack shaft 5 cavitys are provided with the importing inclined-plane (not shown) adaptive with the introduction segment 612 of described transmission shaft 6 main shaft bodies, and the square hole 512 of jack shaft cavity 51 is squeezed into and passed to convenient like this transmission shaft 6.
Described actuation gear comprises oil pump gear 21 and auxiliary driving gear 22, and described auxiliary driving gear 22 so just can increase auxiliary drive or transmissions by auxiliary driving gear 22 along an axially tight end against jack shaft 5 of jack shaft 5.
Described chain 1 is provided with tension device 9, so just can guarantee the stability of chain 2 transmissions.Wherein 91 for connecting the chain guide of tension device 9.
Claims (8)
1. driving mechanism for oil pump, it is characterized in that described driving mechanism for oil pump comprises chain, actuation gear, hold-down bolt, support housing, jack shaft and transmission shaft, described support housing is provided with through hole, described jack shaft is rotatably connected in the through hole of support housing, described actuation gear is along an axially tight end against jack shaft of jack shaft, the inside of described jack shaft offers the cavity that is communicated with the jack shaft two ends vertically, described cavity is set to tapped hole near an end of actuation gear, the other end of described cavity is set to square hole, one end of described transmission shaft is the main shaft body adaptive with the square hole of described jack shaft cavity, the other end be diameter less than the optical axis of the tapped hole of described jack shaft cavity, the bearing of described oil pump is provided with the second hole adaptive with the main shaft body of described transmission shaft; Constantly screw in the process of tapped hole of jack shaft at hold-down bolt, hold-down bolt constantly pushes into transmission shaft in the square hole of jack shaft, until transmission shaft passes the square hole of jack shaft and pierces into the second hole of oil pump bearing.
2. driving mechanism for oil pump according to claim 1, the through hole that it is characterized in that described jack shaft and described support housing is Spielpassung.
3. driving mechanism for oil pump according to claim 1 is characterized in that described jack shaft passes through the bearing shell support and connection in described support housing.
4. according to claim 1 and 2 or 3 described driving mechanism for oil pumps, the square hole that it is characterized in that described jack shaft is cubic hole or hexagonal hole.
5. driving mechanism for oil pump according to claim 4 is characterized in that the main shaft body two ends of described transmission shaft are equipped with conical introduction segment.
6. driving mechanism for oil pump according to claim 5 is characterized in that the end by in the cavity of the square hole of described jack shaft cavity is provided with the importing inclined-plane adaptive with the introduction segment of described transmission shaft main shaft body.
7. driving mechanism for oil pump according to claim 6 is characterized in that described actuation gear comprises oil pump gear and auxiliary driving gear, and described auxiliary driving gear is along an axially tight end against jack shaft of jack shaft.
8. driving mechanism for oil pump according to claim 7 is characterized in that described chain is provided with tension device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110253097 CN102392710B (en) | 2011-08-31 | 2011-08-31 | Driving mechanism for oil pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110253097 CN102392710B (en) | 2011-08-31 | 2011-08-31 | Driving mechanism for oil pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392710A CN102392710A (en) | 2012-03-28 |
| CN102392710B true CN102392710B (en) | 2013-04-10 |
Family
ID=45860078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110253097 Active CN102392710B (en) | 2011-08-31 | 2011-08-31 | Driving mechanism for oil pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392710B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078360A (en) * | 2006-05-25 | 2007-11-28 | 光阳工业股份有限公司 | Motorcycle engine oil pump |
| CN201347800Y (en) * | 2009-01-04 | 2009-11-18 | 重庆宗申发动机制造有限公司 | Transmission device for oil pump of two-stroke engine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07180522A (en) * | 1993-12-22 | 1995-07-18 | Daihatsu Motor Co Ltd | Structure of oil pump for engine |
| JP3149667B2 (en) * | 1994-01-31 | 2001-03-26 | スズキ株式会社 | Engine oil pump mounting structure |
| JPH10205317A (en) * | 1997-01-20 | 1998-08-04 | Unisia Jecs Corp | Oil pump for internal combustion engine |
| JP4218056B2 (en) * | 1999-01-29 | 2009-02-04 | マツダ株式会社 | Oil pump |
-
2011
- 2011-08-31 CN CN 201110253097 patent/CN102392710B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101078360A (en) * | 2006-05-25 | 2007-11-28 | 光阳工业股份有限公司 | Motorcycle engine oil pump |
| CN201347800Y (en) * | 2009-01-04 | 2009-11-18 | 重庆宗申发动机制造有限公司 | Transmission device for oil pump of two-stroke engine |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2000-220578A 2000.08.08 |
| JP特开平10-205317A 1998.08.04 |
| JP特开平7-180522A 1995.07.18 |
| JP特开平7-217420A 1995.08.15 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102392710A (en) | 2012-03-28 |
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| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20201211 Address after: 246000 5th floor, building B1, Wanjiang high tech Incubation Park, economic development zone, Anqing City, Anhui Province Patentee after: Anqing flex Power Technology Co., Ltd Address before: 241009 No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, China Patentee before: CHERY AUTOMOBILE Co.,Ltd. |