CN104389678B - Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly - Google Patents
Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly Download PDFInfo
- Publication number
- CN104389678B CN104389678B CN201410598776.8A CN201410598776A CN104389678B CN 104389678 B CN104389678 B CN 104389678B CN 201410598776 A CN201410598776 A CN 201410598776A CN 104389678 B CN104389678 B CN 104389678B
- Authority
- CN
- China
- Prior art keywords
- crank
- oil
- pin
- stifled
- seal assembly
- 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
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention provides a kind of crank-pin seal assembly, including crank-pin and the oilhole being arranged in crank-pin, the end of crank-pin is provided with coaxially arranged with oilhole, and with diameter greater than the mating holes of oilhole, oil is blocked up as section as the oil of the laminated structure of arc is blocked up.The oil of bending is stifled to be extend into mating holes, be stressed generation plastic deformation, oil can be along the circumferentially extending of mating holes during getting lodged in plastic deformation, the diameter of mating holes is constant, the stifled stretching, extension of oil causes oil stifled and mating holes forms interference fit relation, when ensureing that oil pressure in crank-pin is very high, oil is stifled also not to be fallen off, and significantly improves the stifled bearing capacity of oil.Present invention also offers a kind of motorcycle crank connecting rod ASSY, the crank-pin seal assembly with said structure is provided with the motorcycle crank connecting rod ASSY.Present invention also offers a kind of motorcycle including above-mentioned motorcycle crank connecting rod ASSY.
Description
Technical field
The present invention relates to field of engine lubrication technology, more specifically to a kind of crank-pin seal assembly.Additionally,
The invention further relates to a kind of motorcycle crank connecting rod ASSY, present invention also offers a kind of motorcycle.
Background technology
With the improvement of living standards, motorcycle is seen everywhere in we live.And in motorcycle engine, can set
There is the crank connecting link assembly part in the lubricating system of complete set, particularly motorcycle, this part carries the dynamic of engine
Power, load is very big, and Just because of this, the connecting rod of this part, needle bearing, crank-pin need lubrication well when moving.
As Figure 1-Figure 4, Fig. 1 is the structural representation of crank connecting link assembly in the prior art, and Fig. 2 is oily stifled in Fig. 1
Structural representation, Fig. 3 is crank pin structure schematic diagram in Fig. 1, and Fig. 4 is the oily structural representation blocked up after coordinating with crank-pin in Fig. 1
Figure.
When crank connecting link assembly lubricates, machine oil is pressed into by crank-pin 1` by outside by oil pump, is entered by fuel feed hole 8`
In the oilhole 7` of crank-pin 1`, then entered into needle bearing 3` by oil outlet 6` and be lubricated and radiate, it is ensured that it is just
There is no initial failure in often operating, due to reasons in structure, necessary oil duct is designed with crank-pin 1`, oil is designed with oil duct stifled
2`, forms preferable oil circuit, and oil pressure ratio is higher in the oil duct of motorcycle, particularly huge discharge motorcycle, there is the stifled 2` of oil and takes off
The possibility for falling, once the stifled 2` of oil comes off and will cause the oil duct decompression can not to continue lubrication, causes power failure to run well
Catastrophe failure.
The stifled 2` of oil is barrel shaped structure in the prior art, due to reasons such as punching stretch in reality processing, causes the stifled 2`'s of oil
External diameter always has certain taper, and the stifled 2` and crank-pin 1` of oil is not that complete interference is closely matched somebody with somebody after being press fit into crank-pin 1`
Close, the stifled 2` bearing capacities of oil are not high, it is ensured that the Reliability comparotive limitation that the stifled 2` of oil does not fall down, always there is the wind for necessarily coming off
Danger.
Therefore, the stifled bearing capacity of oil how is improved, it is ensured that oil is stifled not to come off from crank-pin, is current art technology
Personnel's problem demanding prompt solution.
The content of the invention
In view of this, the invention provides a kind of crank-pin seal assembly, to realize improving the stifled bearing capacity of oil, it is ensured that oil
The stifled purpose not come off from crank-pin.Present invention also offers a kind of motorcycle crank including above-mentioned crank-pin seal assembly
Connecting rod ASSY.Present invention also offers a kind of motorcycle.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of crank-pin seal assembly, including crank-pin is blocked up with the oil for being arranged at oilhole two ends in the crank-pin, described
The end of crank-pin is provided with coaxially arranged with the oilhole, and with diameter greater than the mating holes of the oilhole, it is section that the oil is blocked up
For the oil of the sheet of arc is blocked up.
Preferably, in above-mentioned crank-pin seal assembly, the oil blocks up the arc wafer architecture for thickness uniformity
Oil is stifled.
Preferably, in above-mentioned crank-pin seal assembly, the inner side end and the oilhole of the stifled arcuate structure of the oil
It is relative press-fit with the crank-pin.
Preferably, in above-mentioned crank-pin seal assembly, the mating holes is along mating holes outside to the cooperation
The reverse taper holes that hole inside diameter gradually increases.
Preferably, in above-mentioned crank-pin seal assembly, the hole face of the reverse taper holes is 3 degree to the tilted angle in hole.
Preferably, in above-mentioned crank-pin seal assembly, the depth of the mating holes is 1-3 times of the stifled thickness of the oil.
Preferably, in above-mentioned crank-pin seal assembly, the depth of the mating holes is 1-2 times of the stifled thickness of the oil.
Preferably, in above-mentioned crank-pin seal assembly, offered on the pin wall of the crank-pin respectively with the oilhole
The fuel feed hole and oil outlet of connection, the perforate direction of the fuel feed hole along the crank-pin radial arrangement.
A kind of motorcycle crank connecting rod ASSY, including bent axle, connecting rod and the crank-pin seal assembly that suit coordinates, it is described
Crank-pin seal assembly is crank-pin seal assembly described in any of the above-described.
A kind of motorcycle, is provided with engine and is arranged at the in-engine motorcycle crank connecting rod ASSY,
The motorcycle crank connecting rod ASSY is motorcycle crank connecting rod ASSY as described above.
The crank-pin seal assembly of present invention offer, including crank-pin and, oil stifled installation stifled with the oil that crank-pin coordinates
To in the mating holes of crank pin end, the mating holes of end is coaxial with oilhole, and with diameter greater than oilhole, mating holes and oilhole
Junction occurs step, and section is installed in mating holes for the oil of arc is stifled, is stuck on step, then to the side of the stifled bending of oil
Edge gives plus-pressure, and the stifled marginal portion being stuck on step of oil produces plastic deformation, and radial direction along mating holes is stretched,
The stifled diameter increase of oil, more than the aperture of mating holes, can increase oil and block up and the pressure between mating holes contact surface, so as to be formed closely
Interference fit relation, it is ensured that when the oil pressure in crank-pin oilhole is very high, oil is stifled also not to be fallen off, and significantly improves oil stifled
Bearing capacity.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of crank connecting link assembly in the prior art；
Fig. 2 is the stifled left view structural representation of oil in Fig. 1；
Fig. 3 is crank-pin main structure diagram in Fig. 1；
Fig. 4 is the oily structural representation blocked up after coordinating with crank-pin in Fig. 1；
Fig. 5 blocks up main structure diagram for the oil that the present invention is provided；
Fig. 6 blocks up left view structural representation for the oil that the present invention is provided；
The crank structure schematic diagram that Fig. 7 is provided for the present invention；
Fig. 8 is the oily structural representation blocked up after coordinating with the crank-pin in Fig. 7 in this Fig. 5；
In upper figure：
1` be crank-pin, 2` for oil is stifled, 3` be that needle bearing, 4` are that connecting rod, 5` are that crank, 6` are that oil outlet, 7` are oil
Hole, 8` be fuel feed hole, 1 be crank-pin, 2 for oil is stifled, 3 be mating holes, 4 be fuel feed hole, 5 be oilhole, 6 be oil outlet.
Specific embodiment
The invention discloses a kind of crank-pin seal assembly, the stifled bearing capacity of oil is improve, it is ensured that oil is stifled not from crank
Come off in pin.Present invention also offers a kind of crank connecting link assembly including above-mentioned crank-pin seal assembly.The present invention is also provided
A kind of motorcycle.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiments of the invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, the scope of protection of the invention is belonged to.
As shown in Figure 5-Figure 8, Fig. 5 is the stifled main structure diagram of the oil for providing of the invention；The oil that Fig. 6 is provided for the present invention
Stifled left view structural representation；The crank structure schematic diagram that Fig. 7 is provided for the present invention；Fig. 8 is the song during oil is stifled with Fig. 7 in this Fig. 5
Structural representation after the cooperation of handle pin；
The present invention provides a kind of crank-pin seal assembly, including crank-pin 1 and the oilhole two ends being arranged in crank-pin 1
Oil stifled 2, the end of crank-pin 1 is provided with coaxially arranged with oilhole 5, and with diameter greater than the mating holes 3 of oilhole 5, oil stifled 2 is for section
The oil of the laminated structure of arc is blocked up.The mating holes 3 of the end of crank-pin 1 is coaxial with oilhole 5, and with diameter greater than oilhole 5, mating holes
3 occur step with the junction of oilhole 5, and section is installed in mating holes 3 for the oil stifled 2 of arc, is stuck on step, then right
The marginal portion of stifled 2 bending of oil applies pressure, and the marginal portion that oil stifled 2 is stuck on step produces plastic deformation, and along mating holes 3
Radial direction stretched, the diameter increase of oil stifled 2, more than the aperture of mating holes 3, can increase oil stifled between 2 and the contact surface of mating holes 3
Pressure, so as to form close interference fit relation, and then the bearing capacity of oil stifled 2 is improve, even if in the oil of crank-pin 1
In the case that oil pressure is very big in hole 5, oil stifled 2 also will not fall off, very reliably, it is therefore prevented that the generation of failure and accident.
In a specific embodiment of the invention, oil stifled 2 is blocked up for the oil of the arc wafer architecture of thickness uniformity.Oil stifled 2
Be the thickness uniformity of the wafer architecture of bending, i.e., the structure that both ends of the surface are bent, and oil stifled 2, then its both ends of the surface
Degree of crook is consistent with bending direction, the oil of disc-shaped stifled 2 ensure that after plastic deformation with the contact surface stress of mating holes 3
More uniform, thickness uniformity can ensure that its structure is more stablized, by that will not produce the inconsistent feelings of stress after oil pressure
Condition.
In a specific embodiment of the invention, the arcuate structure inner side end of oil stifled 2 is relative with oilhole 5 to be press-fited in crank
In pin 1.The stifled 2 arcuate structure medial surfaces of oil, that is, the one side under concaving is relative with oilhole 5, press-fits in crank-pin 1, Ci Zhongfang
Stretch more preferable to being easy to press-fiting for oil stifled 2, and after press-fiting, coordinate even closer with crank-pin 1；In addition, oil stifled 2 is due to shape
Shape regular uniform, is more uniformly stressed, and further increases the stifled bearing capacity of oil；And stifled 2 simple structures of oil, prior art
In the stifled 2` structures of oil it is special, fall to the iron plate for requiring the preferable material of needs, the stifled 2` needs of punching oil are met for punching stretch
Material drawing composite mold and then sizing die, in addition it is also necessary to by turning that the stifled 2` apertures car of oil is neat, be trimmed to it is contour, complex process and
High cost, the requirements reduction of the stifled 2 pairs of materials of oil of present invention offer, and can complete to add by blanking and the step of blanking forming two
Work, saves the stifled mould of oil, reduces cost, and meet energy-saving and emission-reduction requirement.
In a specific embodiment of the invention, mating holes 3 is gradually to increase along the outside of mating holes 3 to the inside diameter of mating holes 3
Big reverse taper holes.Mating holes 3 is that outside aperture is small, and the reverse taper holes that medial aperture gradually increases are arranged such, the oil stifled 2 of bending
The inner side of mating holes 3 is entered into by the aperture port of small-bore, the stifled 2 diameters increase of oil after depressed stretching, extension, in the inner side of mating holes 3
Interference fit is formed with mating holes 3, the orifice diameter with diameter greater than mating holes 3 of oil stifled 2, aperture can carry out edge to oil stifled 2
The axial direction of crank-pin 1 it is spacing, further prevent oil stifled 2 from coming off, increased the reliability of oil stifled 2.
In a specific embodiment of the invention, the hole face of reverse taper holes is 3 degree to the tilted angle in hole.Generally,
The deformation quantity of plastic deformation is not very big, but is sufficient for requiring, therefore the inclined angle of reverse taper holes hole face is without too big, if
Meet by being set to 3 degree and require, convenient oil stifled 2 is entered into mating holes 3.
In a specific embodiment of the invention, the depth of mating holes 3 is 1-3 times of stifled 2 thickness of oil.The depth of mating holes 3
1-3 times for stifled 2 thickness of oil can meet intensity requirement, it is not necessary to the too deep mating holes 3 of processing, on the one hand increased oilhole 5
Length, on the other hand reduce processing cost.
In a specific embodiment of the invention, the depth of mating holes 3 is 1-2 times of stifled 2 thickness of oil.In reality processing,
It is further to reduce processing cost on the premise of meeting intensity requirement, the depth of mating holes 3 arrives twice in oily block up 2 thickness one times,
Ensure that oil stifled 2 can be attached to there is distance in mating holes 3 and between aperture, crank-pin 1` holes add in the prior art
Work is deep, it is desirable to which size, precision are all higher, and processing charges is big, and the present invention reduces the processing capacity of mating holes 3 of crank-pin 1, and
Can ensure that oil stifled 2 does not fall off, specifically, the depth of mating holes 3 can be of the prior art 1/4, and by real
Border is tested, and in the case of the aperture identical of mating holes 3,2` stifled relative to oil of the prior art, the oil stifled 2 that the present invention is provided holds
Pressure energy power improves twice.
In a specific embodiment of the invention, offered on the pin wall of crank-pin the fuel feed hole 4 that is connected with oilhole 5 respectively and
Oil outlet 6, the perforate direction of fuel feed hole 4 along crank-pin radial arrangement.Fuel feed hole 4 is arranged on the lower section of oilhole 5 and the phase of oilhole 5
Even, oil outlet 6 is arranged on the top of oilhole 5 and is connected with oilhole 5.In the prior art, fuel feed hole 4` be inclined hole, plus man-hour requirement processing
Inclined hole and pit, technique are more complicated, and the crank-pin seal assembly that the present invention is provided, mating holes 3 can set very shallow, Bu Huifang
Hinder the setting of fuel feed hole 4, therefore simplified technique and saved into along the radial direction drill straight hole of crank-pin during processing fuel feed hole 4
This.
Based on the crank-pin seal assembly provided in above-described embodiment, present invention also offers a kind of crank connecting link assembly,
Bent axle, connecting rod and the crank-pin seal assembly coordinated including suit, the song that crank-pin seal assembly is provided for above-described embodiment
Handle pin seal assembly.
Additionally, present invention also offers a kind of motorcycle, being provided with engine and being arranged at in-engine motor
Car crank connecting link assembly, motorcycle crank connecting rod ASSY is above-mentioned motorcycle crank connecting rod ASSY.
Because the motorcycle employs above-mentioned motorcycle crank connecting rod ASSY, above-mentioned motorcycle crank connecting rod ASSY is employed
The crank-pin seal assembly of above-described embodiment, so the motorcycle refer to by the beneficial effect that crank-pin seal assembly brings
State embodiment.
Each embodiment is described by the way of progressive in this specification, and what each embodiment was stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or uses the present invention.
Various modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The scope most wide for causing.
Claims (9)
1. a kind of crank-pin seal assembly, it is characterised in that including crank-pin (1) and the oil being arranged in the crank-pin (1)
The oil at hole (5) two ends is stifled (2), and the end of the crank-pin (1) is provided with coaxially arranged with the oilhole (5), and with diameter greater than institute
The mating holes (3) of oilhole (5) is stated, the oil stifled (2) is for section for the oil of the laminated structure of arc is blocked up；
The mating holes (3) is the back taper gradually increased to the mating holes (3) inside diameter along the mating holes (3) outside
Hole.
2. crank-pin seal assembly according to claim 1, it is characterised in that the oil stifled (2) is thickness uniformity
Arc wafer architecture oil block up.
3. crank-pin seal assembly according to claim 2, it is characterised in that the arcuate structure of the oil stifled (2) it is interior
Side end face is relative with the oilhole (5) to be press-fited in the crank-pin (1).
4. crank-pin seal assembly according to claim 1, it is characterised in that the hole face of the reverse taper holes is tilted to hole
Angle be 3 degree.
5. crank-pin seal assembly according to claim 1, it is characterised in that the depth of the mating holes (3) is described
1-3 times of stifled (2) thickness of oil.
6. crank-pin seal assembly according to claim 1, it is characterised in that the depth of the mating holes (3) is described
1-2 times of stifled (2) thickness of oil.
7. crank-pin seal assembly according to claim 1, it is characterised in that offered on the pin wall of the crank-pin point
The fuel feed hole (4) and oil outlet (6) not connected with the oilhole (5), the perforate direction of the fuel feed hole (4) is along the crank-pin
Radial arrangement.
8. a kind of crankshaft of motorcycle connecting rod ASSY, it is characterised in that bent axle, connecting rod and the crank-pin sealing coordinated including suit
Component, the crank-pin seal assembly is the crank-pin seal assembly as described in any one of claim 1 to 7.
9. a kind of motorcycle, is provided with engine and is arranged at the in-engine motorcycle crank connecting rod ASSY, its
It is characterised by, the motorcycle crank connecting rod ASSY is motorcycle crank connecting rod ASSY as described above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598776.8A CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410598776.8A CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389678A CN104389678A (en) | 2015-03-04 |
| CN104389678B true CN104389678B (en) | 2017-06-30 |
Family
ID=52607627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410598776.8A Active CN104389678B (en) | 2014-10-29 | 2014-10-29 | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104389678B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899375A (en) * | 2019-04-24 | 2019-06-18 | 青岛德盛机械制造有限公司 | Crank-pin and its manufacturing method for engine |
| CN111963880A (en) * | 2020-08-07 | 2020-11-20 | 中国北方发动机研究所(天津) | Oil plug with self-sealing function |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321894Y (en) * | 2008-12-04 | 2009-10-07 | 重庆歇马机械曲轴有限公司 | Crank shaft connecting rod assembly of motor cycle engine |
| CN204253181U (en) * | 2014-10-29 | 2015-04-08 | 青岛德盛机械制造有限公司 | Motorcycle, motorcycle crank connecting rod ASSY and crank pin black box |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2772794B2 (en) * | 1987-09-24 | 1998-07-09 | ヤマハ発動機株式会社 | Connection part structure between crankshaft and connecting rod |
| JP4080291B2 (en) * | 2002-09-30 | 2008-04-23 | 本田技研工業株式会社 | Assembled crankshaft |
| CN2608701Y (en) * | 2003-03-20 | 2004-03-31 | 重庆力帆实业（集团）有限公司 | Lower-mounted cam-type crank linking rod |
| US7418939B2 (en) * | 2006-07-14 | 2008-09-02 | Harley-Davidson Motor Company Group, Inc. | Crankshaft assembly with coated crank pin |
| CN101105206B (en) * | 2007-08-02 | 2010-12-08 | 力帆实业(集团)股份有限公司 | Motorcycle engine vibration damping device |
| CN201074653Y (en) * | 2007-08-03 | 2008-06-18 | 力帆实业(集团)股份有限公司 | Monopodium balance mechanism of motorcycle engine |
| CN201125781Y (en) * | 2007-12-04 | 2008-10-01 | 江门天钇金属工业有限公司 | Post rod type motorcycle engine |
| CN201202506Y (en) * | 2008-05-30 | 2009-03-04 | 翁光敏 | Motorcycle crankshaft connecting rod system with improved lubricant oil way |
| CN101798954A (en) * | 2009-02-10 | 2010-08-11 | 重庆动源摩托车配件销售有限公司 | Crank-connecting rod mechanism for engine of miniature cross-country motorcycle |
| CN201714441U (en) * | 2010-04-23 | 2011-01-19 | 江苏弘州金福车业有限公司 | Engine capable of lubricating crankshaft |
| US8726877B2 (en) * | 2011-07-25 | 2014-05-20 | S & S Cycle, Inc. | Engine including crank pin with angled oil passageway |
| CN203296859U (en) * | 2013-06-08 | 2013-11-20 | 重庆宗申发动机制造有限公司 | Crank pin used for motorcycle engine |
| CN203335234U (en) * | 2013-06-28 | 2013-12-11 | 力帆实业(集团)股份有限公司 | Crank-link mechanism suitable for motorcycle engine |
| CN103758608B (en) * | 2014-01-03 | 2017-01-04 | 江苏罡阳股份有限公司 | Crankshaft rod assembly |
| CN203685336U (en) * | 2014-01-03 | 2014-07-02 | 江苏罡阳股份有限公司 | Crankshaft and connecting rod assembly |
-
2014
- 2014-10-29 CN CN201410598776.8A patent/CN104389678B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201321894Y (en) * | 2008-12-04 | 2009-10-07 | 重庆歇马机械曲轴有限公司 | Crank shaft connecting rod assembly of motor cycle engine |
| CN204253181U (en) * | 2014-10-29 | 2015-04-08 | 青岛德盛机械制造有限公司 | Motorcycle, motorcycle crank connecting rod ASSY and crank pin black box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104389678A (en) | 2015-03-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104389678B (en) | Motorcycle, motorcycle crank connecting rod ASSY and crank-pin seal assembly | |
| CN105485319A (en) | Speed reducer | |
| CN211853486U (en) | Electric lubricating grease pump | |
| CN204253181U (en) | Motorcycle, motorcycle crank connecting rod ASSY and crank pin black box | |
| CN206468527U (en) | Plunger type high-pressure water filling pump lubricating oilses leak-proof device | |
| CN107160328A (en) | The press mounting tool and pressing method of the copper bush of fuel injector of cylinder head | |
| CN106514194A (en) | Shifting fork lining press-in tool | |
| CN107621211A (en) | A kind of aluminium alloy rain shaving electrical machine mounting hole detecting tool | |
| CN204140222U (en) | Piston pin hole with oil groove on a kind of piston | |
| CN104864027B (en) | Hydraulic type rigidity-changeable spiral spring | |
| CN205684597U (en) | A kind of cylinder extension module | |
| CN203696398U (en) | Press fitting sleeve part for diesel engine cylinder cover oil sprayer copper bush | |
| CN204711017U (en) | Novel tapered roller bearing riveted tire | |
| CN207719997U (en) | A kind of inner stator shaping tooling | |
| KR101292473B1 (en) | Manufacturing method for load and spherical plain bearing | |
| CN107867009A (en) | Guide rail bracket | |
| CN204003372U (en) | Automotive air conditioner compressor front cover | |
| CN204041717U (en) | A kind of bar linkage structure forcing cooling and lubricating engine | |
| CN205851759U (en) | A kind of processing inner-cavity structure for contact cold headers | |
| CN206435945U (en) | A kind of retreat sub-device of compressor dissection | |
| CN206918040U (en) | A kind of single-cylinder engine crankshaft group | |
| CN208185176U (en) | A kind of balance shaft of engine spacer pin | |
| CN204738899U (en) | Energy -conserving diesel injector copper sheathing | |
| CN206280239U (en) | A kind of hydraulic pump lateral plate structure | |
| CN207268370U (en) | A kind of novel bearing grease pouring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |