CN108180275A - A kind of automobile engine oil pump belt pulley - Google Patents
A kind of automobile engine oil pump belt pulley Download PDFInfo
- Publication number
- CN108180275A CN108180275A CN201810170351.5A CN201810170351A CN108180275A CN 108180275 A CN108180275 A CN 108180275A CN 201810170351 A CN201810170351 A CN 201810170351A CN 108180275 A CN108180275 A CN 108180275A
- Authority
- CN
- China
- Prior art keywords
- oil pump
- cavity
- lubricating oil
- belt pulley
- automobile engine
- 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.)
- Pending
Links
- 239000010705 motor oil Substances 0.000 title claims abstract description 19
- 239000010687 lubricating oil Substances 0.000 claims abstract description 38
- 238000004519 manufacturing process Methods 0.000 claims abstract description 6
- 239000000843 powder Substances 0.000 claims abstract description 6
- 238000004663 powder metallurgy Methods 0.000 claims abstract description 4
- 230000007704 transition Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 2
- 239000010721 machine oil Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
- F16H55/171—Toothed belt pulleys
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Pulleys (AREA)
Abstract
A kind of automobile engine oil pump belt pulley disclosed by the invention, include lubricating oil pump pulley body, lubricating oil pump pulley body is provided centrally with assembling the pilot hole being axially adapted to, lubricating oil pump pulley body is the integral structure of powder metallurgy forming, the side of lubricating oil pump pulley body forms the first cavity, the opposite side of lubricating oil pump pulley body forms the second cavity, the depth of first cavity is more than the depth of second cavity, the lightening hole of taper is evenly arranged in lubricating oil pump pulley body in the periphery of the pilot hole, the diameter of the first cavity of lightening hole side is more than the diameter of the second cavity side, lubricating oil pump pulley body periphery forms the gear teeth being adapted with driving belt, it is molded between adjacent teeth fluted.It the advantage is that：It is simple in structure, powder metallurgical technique one-pass molding is used, easily manufactured, manufacture is at low cost, and generated part axial force in rotation process is offset, and by the lightening hole of taper, center of gravity is made to be maintained on center line, transmission is made more to stablize using unsymmetric structure.
Description
Technical field
The present invention relates to a kind of spare and accessory parts of automobile engine, a kind of especially automobile engine oil pump belt pulley.
Background technology
It is well known that when engine works, cool down, lubricate particularly significant, cooling is insufficient or undercooling can all cause not
Good consequence can lead to engine cisco unity malfunction, power drop, the lost of life；Lacking lubrication between parts can then aggravate
The abrasion of parts, so as to influence the bulk life time of engine.
Important component in engine motor oil lubricating system the most, machine oil not only acts as lubricant effect, while also can
Cool down to parts, the effect of lubricating oil pump is to provide power for the conveying of machine oil；When engine is run, lubricating oil pump operating,
And pass through lubricating oil pump belt pulley and transmit driving force outward, therefore lubricating oil pump belt pulley it is reliable whether, be not only related to lubricating oil pump
Operation and machine oil conveying, most influence stable operation and the service life of entire engine at last.
Existing lubricating oil pump belt pulley, mostly using mechanical processing be made, there are it is of high cost, processing technology is complicated, the production cycle
The shortcomings of long.
Invention content
The technical problem to be solved by the invention for the present situation of prior art is to provide simple in structure, easily manufactured, biographies
A kind of good automobile engine oil pump belt pulley of dynamic stability.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of automobile engine oil pump belt pulley includes lubricating oil pump pulley body, the center of lubricating oil pump pulley body
It is provided with assembling the pilot hole being axially adapted to, integral structure of the lubricating oil pump pulley body for powder metallurgy forming, lubricating oil pump
The side of pulley body forms the first cavity, and the opposite side of lubricating oil pump pulley body forms the second cavity, and first is recessed
The depth of chamber is more than the depth of second cavity, is evenly arranged in lubricating oil pump pulley body in the periphery of the pilot hole
The lightening hole of taper, the diameter of the first cavity of lightening hole side are more than the diameter of the second cavity side, lubricating oil pump pulley body periphery
The gear teeth being adapted with driving belt are formed, are molded between adjacent teeth fluted.
The technical measures of optimization further include：
The u-shaped structure of above-mentioned groove.
The end both sides of the above-mentioned gear teeth are respectively arranged with inclined-plane, and platform is formed at the top of inclined-plane.
The bottom of the first above-mentioned cavity is provided with the first circular arc.
The bottom of the second above-mentioned cavity is provided with the second circular arc.
Above-mentioned lightening hole is provided with the first chamfering in the first cavity side, passes through between the first chamfering and the inner wall of lightening hole
Arc transition.
Above-mentioned lightening hole is provided with the second chamfering in the second cavity side, passes through between the first chamfering and the inner wall of lightening hole
Conical surface transition.
Limiting slot is provided in above-mentioned pilot hole.
The width of the above-mentioned gear teeth is 15mm.
The manufacture material component of above-mentioned lubricating oil pump pulley body is：C:0.4% to 1.5%；Cu：1% to 5%；Other are miscellaneous
Matter metal powder：＜ 2%；Surplus is Fe.
The present invention a kind of automobile engine oil pump belt pulley, it is simple in structure, use powder metallurgical technique once into
Type, easily manufactured, manufacture is at low cost, and the both sides of lubricating oil pump pulley body have been separately formed the first cavity and the second cavity, and
The depth of first cavity is more than the depth of the second cavity, and so as to form unsymmetric structure, which can offset in rotation process
Generated part axial force, so as to make rotation more steady；And the lightening hole of taper is used, belt pulley is mitigated by lightening hole
Overall weight, generated rotary inertia when reducing rotation and makes the center of gravity of belt pulley be maintained on center line, so makes transmission
More stablize.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the sectional structure chart of the present invention；
Fig. 3 is A portions enlarged drawing in Fig. 2；
Fig. 4 is B portions enlarged drawing in Fig. 2；
Fig. 5 is C portions enlarged drawing in Fig. 2.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
Structure diagram for the present invention as shown in Figures 1 to 5,
Reference numeral therein is：Lubricating oil pump pulley body 1, pilot hole 1a, limiting slot 1b, the first cavity 11, the first circular arc
11a, the second cavity 12, the second circular arc 12a, lightening hole 2, the first chamfering 21, circular arc 21a, the second chamfering 22, conical surface 22a, the gear teeth
3rd, groove 3a, inclined-plane 31, platform 32.
As shown in Figures 1 to 5,
A kind of automobile engine oil pump belt pulley, includes lubricating oil pump pulley body 1, in lubricating oil pump pulley body 1
The heart is provided with assembling the pilot hole 1a being axially adapted to, integral structure of the lubricating oil pump pulley body 1 for powder metallurgy forming, machine
The side of oil pump pulley body 1 forms the first cavity 11, and the opposite side of lubricating oil pump pulley body 1 forms the second cavity
12, the depth of the first cavity 11 is more than the depth of second cavity 12, in the pilot hole 1a in lubricating oil pump pulley body 1
Periphery be evenly arranged with the lightening hole 2 of taper, the diameter of 2 first cavity side of lightening hole is more than the diameter of the second cavity side, machine
1 periphery of oil pump pulley body forms the gear teeth 3 being adapted with driving belt, and fluted 3a is molded between adjacent teeth 3.
The belt pulley of the present invention forms the different cavity of depth in both sides, and so as to form unsymmetric structure, use is asymmetric
Structure can offset generated part axial force in rotation process；The depth of first cavity 11 is more than the depth of the second cavity 12
Degree, during installation, the second cavity 12 is installed close to assembled shaft.
The setting of lightening hole 2 can mitigate the overall weight of belt pulley, generated turn during so as to reduce pulley rotation
Dynamic inertia；First cavity 11 and the second cavity 12 equally play the role of mitigating belt pulley weight.Because belt pulley of the invention is adopted
With unsymmetric structure, the first cavity 11 and the second cavity 12 of different depth can cause the offset of belt pulley center of gravity, this is unfavorable for
The stability of transmission, therefore this belt pulley uses the lightening hole 2 of taper, and the diameter of 2 first cavity side of lightening hole is more than second
The diameter of cavity side can be such that the whole center of gravity of belt pulley is maintained on center line in this way, so as to improve the stability of transmission.
In embodiment, the u-shaped structures of groove 3a.
In embodiment, the end both sides of the gear teeth 3 are respectively arranged with inclined-plane 31, and the top on inclined-plane 31 forms platform 32.
In embodiment, the bottom of the first cavity 11 is provided with the first circular arc 11a.
In embodiment, the bottom of the second cavity 12 is provided with the second circular arc 12a.
First circular arc 11a and the second circular arc 12a, can not only reduce stress concentration, and can avoid in knockout course
Edge is excessively sharp and avalanche occurs.
In embodiment, lightening hole 2 is provided with the first chamfering 21 in the first cavity side, and the first chamfering 21 is interior with lightening hole 2
Pass through circular arc 21a transition between wall.
In embodiment, lightening hole 2 is provided with the second chamfering 22 in the second cavity side, and the first chamfering 22 is interior with lightening hole 2
Pass through conical surface 22a transition between wall.
Circular arc 21a transition and the first chamfering 22 between first chamfering 21 and the inner wall of lightening hole 2 are interior with lightening hole 2
Conical surface 22a transition between wall also for stress concentration is reduced, reduces the possibility of edge avalanche.
In embodiment, limiting slot 1b is provided in pilot hole 1a.Limiting slot 1b is matched with the key of assembled shaft, in assembled shaft
After the 1a of plugging in fitting hole, its rotation is prevented.
In embodiment, the width of the gear teeth 3 is 15mm.
The material component that lubricating oil pump pulley body 1 is made is：
C:0.4% to 1.5%；Cu：1% to 5%；Other impurities metal powder (Zn, Ni, Al etc.)：＜ 2%；Surplus is Fe；Using upper
State lubricating oil pump pulley body 1 made of material, density 6.8g/cm3To 7.2g/cm3；Tensile strength is 460MPa, surrender
Intensity is 370MPa, elongation percentage 2%.Made belt pulley heat resistance, wearability and good corrosion resistance, it is highly reliable, make
Use long lifespan.
This lubricating oil pump belt pulley is made of powder metallurgical technique, easily manufactured, and stock utilization is high；And using disposable
Molding, it is easily manufactured, manufacture efficiency can be greatly improved.In order to ensure product quality, gone after product machines break corner,
Burr makes its surface smooth, while carries out narrow examination to product, and ensureing it, there is no the defects of crackle, sand hole.It has inspected
Cheng Hou, surface coat antirust oil and carry out corrosion protection.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (10)
1. a kind of automobile engine oil pump belt pulley includes lubricating oil pump pulley body (1), the driving wheel ontology
(1) the pilot hole (1a) for being provided centrally with axially being adapted to assembling, it is characterized in that:The lubricating oil pump pulley body (1)
For the integral structure of powder metallurgy forming, the side of the lubricating oil pump pulley body (1) forms the first cavity (11), institute
The opposite side of lubricating oil pump pulley body (1) stated forms the second cavity (12), and the depth of first cavity (11) is big
In equal in the periphery of the pilot hole (1a) in the depth of second cavity (12), the lubricating oil pump pulley body (1)
The even lightening hole (2) for being provided with taper, the diameter of (2) the first cavity side of lightening hole are more than the diameter of the second cavity side,
Described lubricating oil pump pulley body (1) periphery forms the gear teeth (3) being adapted with driving belt, between adjacent teeth (3)
It is molded fluted (3a).
2. a kind of automobile engine oil pump belt pulley according to claim 1, it is characterized in that：The groove (3a) is in
U-shaped structure.
3. a kind of automobile engine oil pump belt pulley according to claim 2, it is characterized in that：The gear teeth (3)
End both sides are respectively arranged with inclined-plane (31), and platform (32) is formed at the top of the inclined-plane (31).
4. a kind of automobile engine oil pump belt pulley according to claim 3, it is characterized in that：First cavity
(11) bottom is provided with the first circular arc (11a).
5. a kind of automobile engine oil pump belt pulley according to claim 4, it is characterized in that：Second cavity
(12) bottom is provided with the second circular arc (12a).
6. a kind of automobile engine oil pump belt pulley according to claim 5, it is characterized in that：The lightening hole (2)
The first chamfering (21) is provided in the first cavity side, passes through circle between first chamfering (21) and the inner wall of lightening hole (2)
Arc (21a) transition.
7. a kind of automobile engine oil pump belt pulley according to claim 6, it is characterized in that：The lightening hole (2)
The second chamfering (22) is provided in the second cavity side, passes through cone between first chamfering (22) and the inner wall of lightening hole (2)
Face (22a) transition.
8. a kind of automobile engine oil pump belt pulley according to claim 7, it is characterized in that：The pilot hole (1a)
Inside it is provided with limiting slot (1b).
9. a kind of automobile engine oil pump belt pulley according to claim 8, it is characterized in that：The gear teeth (3)
Width is 15mm.
10. a kind of automobile engine oil pump belt pulley according to claim 9, it is characterized in that：The lubricating oil pump skin
The manufacture material component of belt wheel ontology (1) is：C:0.4% to 1.5%；Cu：1% to 5%；Other impurities metal powder：＜ 2%；Surplus
For Fe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170351.5A CN108180275A (en) | 2018-03-01 | 2018-03-01 | A kind of automobile engine oil pump belt pulley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810170351.5A CN108180275A (en) | 2018-03-01 | 2018-03-01 | A kind of automobile engine oil pump belt pulley |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108180275A true CN108180275A (en) | 2018-06-19 |
Family
ID=62552990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810170351.5A Pending CN108180275A (en) | 2018-03-01 | 2018-03-01 | A kind of automobile engine oil pump belt pulley |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180275A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990032002A (en) * | 1997-10-15 | 1999-05-06 | 양재신 | Crankshaft gear of engine |
| CN201344245Y (en) * | 2009-02-10 | 2009-11-11 | 浙江华鑫实业有限公司 | Network communication component |
| CN202055879U (en) * | 2011-05-24 | 2011-11-30 | 重庆九龙粉末冶金有限责任公司 | Timing belt wheel of camshaft |
| CN203548801U (en) * | 2013-11-21 | 2014-04-16 | 安徽江淮汽车股份有限公司 | Damping belt pulley of automobile engine |
| CN204647222U (en) * | 2015-04-28 | 2015-09-16 | 宁波金鑫粉末冶金有限公司 | A kind of automobile high-pressure service pump sprocket wheel |
| CN205715560U (en) * | 2016-04-07 | 2016-11-23 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of camshaft drive belt pulley |
| CN206071660U (en) * | 2016-08-26 | 2017-04-05 | 连云港东睦新材料有限公司 | High accuracy automobile camshaft sprocket wheel |
| CN206723400U (en) * | 2017-05-24 | 2017-12-08 | 宁波金鑫粉末冶金有限公司 | A kind of automobile-engine crankshaft belt pulley structure |
| CN208024809U (en) * | 2018-03-01 | 2018-10-30 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine oil pump belt pulley |
-
2018
- 2018-03-01 CN CN201810170351.5A patent/CN108180275A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990032002A (en) * | 1997-10-15 | 1999-05-06 | 양재신 | Crankshaft gear of engine |
| CN201344245Y (en) * | 2009-02-10 | 2009-11-11 | 浙江华鑫实业有限公司 | Network communication component |
| CN202055879U (en) * | 2011-05-24 | 2011-11-30 | 重庆九龙粉末冶金有限责任公司 | Timing belt wheel of camshaft |
| CN203548801U (en) * | 2013-11-21 | 2014-04-16 | 安徽江淮汽车股份有限公司 | Damping belt pulley of automobile engine |
| CN204647222U (en) * | 2015-04-28 | 2015-09-16 | 宁波金鑫粉末冶金有限公司 | A kind of automobile high-pressure service pump sprocket wheel |
| CN205715560U (en) * | 2016-04-07 | 2016-11-23 | 重庆市万盛区顺达粉末冶金有限公司 | A kind of camshaft drive belt pulley |
| CN206071660U (en) * | 2016-08-26 | 2017-04-05 | 连云港东睦新材料有限公司 | High accuracy automobile camshaft sprocket wheel |
| CN206723400U (en) * | 2017-05-24 | 2017-12-08 | 宁波金鑫粉末冶金有限公司 | A kind of automobile-engine crankshaft belt pulley structure |
| CN208024809U (en) * | 2018-03-01 | 2018-10-30 | 宁波金鑫粉末冶金有限公司 | A kind of automobile engine oil pump belt pulley |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180619 |