CN107740861A - A kind of structure of engine piston connecting rod group - Google Patents
A kind of structure of engine piston connecting rod group Download PDFInfo
- Publication number
- CN107740861A CN107740861A CN201711128999.8A CN201711128999A CN107740861A CN 107740861 A CN107740861 A CN 107740861A CN 201711128999 A CN201711128999 A CN 201711128999A CN 107740861 A CN107740861 A CN 107740861A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- piston
- pin
- outside
- hole
- 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
- 230000006835 compression Effects 0.000 claims abstract description 6
- 238000007906 compression Methods 0.000 claims abstract description 6
- 238000004544 sputter deposition Methods 0.000 claims description 12
- 229910017132 AlSn Inorganic materials 0.000 claims description 6
- 229910001120 nichrome Inorganic materials 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 241000357293 Leptobrama muelleri Species 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J1/00—Pistons; Trunk pistons; Plungers
- F16J1/10—Connection to driving members
- F16J1/14—Connection to driving members with connecting-rods, i.e. pivotal connections
- F16J1/16—Connection to driving members with connecting-rods, i.e. pivotal connections with gudgeon-pin; Gudgeon-pins
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/06—Sliding surface mainly made of metal
- F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
- F16C33/121—Use of special materials
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
- F16C2204/52—Alloys based on nickel, e.g. Inconel
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a kind of structure of engine piston connecting rod group,Including piston,The lower end outside of the piston is provided with three connecting grooves,Compression ring is equipped with two connecting grooves of lower end,Oil ring is provided with one connecting groove of upper end,The upper end of the piston is provided with through hole,Piston pin is provided with the through hole,The centre of piston pin is provided with connecting rod,The small end through hole of connecting rod is socketed among the outside of piston pin,Bearing shell can be fixed by connecting rod cap,So that fixed bearing shell is more convenient,It can be moved up and down by connecting rod with piston,Then piston pin can be blocked by pin back-up ring,So that the connection between piston pin and piston is even closer,The structure of the engine piston connecting rod group,It is simple in construction,It is easy for installation,It can not only make the wearability of piston more preferable,Once extend the service life of piston,And vehicle automatic start-stop functional requirement can be met,Using more convenient.
Description
Technical field
The present invention relates to automobile engine toggle technical field, specially a kind of engine piston connecting rod group
Structure.
Background technology
Toggle is the main movement mechanism of engine, and effect is to provide burning place, being produced after fuel combustion
The bulbs of pressure that raw gas is acted on piston top are changed into the torque of bent axle rotation, constantly export power, are divided into gas
Pressure be changed into the torque of bent axle, the reciprocating motion of piston be changed into the rotary motion of bent axle, combustion on piston top
Power be changed into the torque of bent axle, with to work mechanism output mechanical energy, and existing toggle is to wearing no resistance, and
And the service life of piston is low, and the function of vehicle automatic start-stop can not be met.
The content of the invention
The technical problem to be solved in the present invention is to overcome the defects of existing, there is provided a kind of knot of engine piston connecting rod group
Structure, it is simple in construction, it is easy for installation, it can not only make the wearability of piston more preferable, once extend the service life of piston, and
Vehicle automatic start-stop functional requirement can be met, use is more convenient, effectively can solve the problems, such as in background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of structure of engine piston connecting rod group, including
Piston, the lower end outside of the piston are provided with three connecting grooves, compression ring are equipped with two connecting grooves of lower end, upper end
Oil ring is provided with one connecting groove, the upper end of the piston is provided with through hole, piston pin, the centre of piston pin are provided with the through hole
Be provided with connecting rod, the small end through hole of connecting rod is socketed among the outside of piston pin, the connecting rod it is remote with piston pin connection one
End is provided with connecting plate, and the side of connecting plate is connected with connecting rod cap by connecting free bearing, and the other end of connecting rod cap and connecting plate is provided with
Connecting-rod bolts are provided between the through hole of corresponding through hole, connecting rod cap and connecting plate, connecting rod nut is provided between connecting-rod bolts, and
And bearing shell is provided between connecting rod cap and connecting plate.
As a preferred technical solution of the present invention, pin back-up ring is provided between the junction of the piston pin and piston,
And the outside for selling back-up ring is equal with the outside of piston.
Connecting rod is provided with as a preferred technical solution of the present invention, between the junction of the connecting rod and piston pin to serve as a contrast
Cover, aperture is equipped with the small end and connecting rob bushing of the connecting rod.
As a preferred technical solution of the present invention, the connecting plate and connecting rod cap of the connecting rod are arcuate structure, and
And the connecting plate of connecting rod and the same side of connecting rod cap are provided with pairing and marked.
As a preferred technical solution of the present invention, the bearing shell includes AlSn sputtering coatings, and AlSn sputterings are covered
The outside of cap rock is provided with nichrome composite powder sputtering layer, and the outside of nichrome composite powder sputtering layer is provided with inner liner,
The outside of liner is provided with steel back layer.
Compared with prior art, the beneficial effects of the invention are as follows：The structure of this engine piston connecting rod group, passes through connecting rod cap
Bearing shell can be fixed so that fixed bearing shell is more convenient, can be moved up and down with piston by connecting rod, then passed through
Pin back-up ring can block to piston pin so that the connection between piston pin and piston is even closer, and the engine piston connects
The structure of bar group, it is simple in construction, it is easy for installation, it can not only make the wearability of piston more preferable, once extend the use of piston
Life-span, and vehicle automatic start-stop functional requirement can be met, use is more convenient.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure：1 bearing shell, 2 connecting rod caps, 3 connecting rod nuts, 4 connecting-rod bolts, 5 connecting rods, 6 connecting rob bushings, 7 compression rings, 8 oil rings, 9
Piston, 10 pin back-up rings, 11 piston pins.
Embodiment
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
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of structure of engine piston connecting rod group, including piston
9, the lower end outside of piston 9 is provided with three connecting grooves, is equipped with compression ring 7 in two connecting grooves of lower end, one of upper end
Oil ring 8 is provided with connecting groove, piston uses asymmetric skirt structure technology, and skirt section uses resinous coat, reduces friction loss,
Piston ring groove anodized, enhancing ring groove surface hardness, wearability, extend piston service life, the upper end of piston 9 is provided with
Through hole, the through hole is interior to be provided with piston pin 11, and the centre of piston pin 11 is provided with connecting rod 5, and the small end through hole of connecting rod 5 is socketed in piston
Among the outside of pin 11, the remote one end being connected with piston pin 11 of connecting rod 5 is provided with connecting plate, and the side of connecting plate passes through connecting hinge
Seat is connected with connecting rod cap 2, and the other end of connecting rod cap 2 and connecting plate is provided with corresponding through hole, the through hole of connecting rod cap 2 and connecting plate it
Between be provided with connecting-rod bolts 4, be provided with connecting rod nut 3 between connecting-rod bolts 4, and bearing shell is provided between connecting rod cap 2 and connecting plate
1, pin back-up ring 10 is provided between piston pin 11 and the junction of piston 9, and sell the outside of back-up ring 10 and the outside phase of piston 9
It is flat, it can make to connect even closer, the junction of connecting rod 5 and piston pin 11 between piston pin 11 and piston 9 by pin back-up ring 10
Between be provided with connecting rob bushing 6, be equipped with aperture on the small end and connecting rob bushing 6 of connecting rod 5, can be to the He of piston pin 11 by aperture
Refueled between connecting rod 5, frictional force between piston pin 11 and connecting rod 5 can be reduced with this, increase the life-span of connecting rod 5 with this, even
The connecting plate and connecting rod cap 2 of bar 5 are arcuate structure, and the same side of the connecting plate of connecting rod 5 and connecting rod cap 2 is provided with pairing and marked
Note, the side that connecting rod 5 is connected with bearing shell 1 are handled by polishing, are brought into close contact connecting rod 5 and bearing shell 1 with this, are marked by matching
So that easier for installation between connecting rod 5 and connecting rod cap 2, bearing shell 1 includes AlSn sputtering coatings, AlSn sputtering coatings
Outside is provided with nichrome composite powder sputtering layer, and the outside of nichrome composite powder sputtering layer is provided with inner liner, liner
Outside is provided with steel back layer, can meet vehicle automatic start-stop functional requirement by four layers of bearing shell 1, the engine piston connecting rod group
Structure, it is simple in construction, it is easy for installation, can not only make the wearability of piston 9 more preferable, once come extend piston 9 use the longevity
Life, and vehicle automatic start-stop functional requirement can be met, use is more convenient.
When in use：Bearing shell 1 is fixed to the upper end of connecting rod 5 by connecting rod cap 2 first, passes through connecting-rod bolts 4 and connecting rod spiral shell
Mother 3 is fixed, and then piston pin 11 is blocked by pin back-up ring 10, made by pin back-up ring 10 between piston pin 11 and piston 9
Connect it is even closer, by 8 sets of ends for being connected to piston 9 of compression ring 7 and oil ring.
Bearing shell 1 can be fixed by connecting rod cap 2 by the present invention so that fixed bearing shell 1 is more convenient, passes through connecting rod 5
It can move up and down with piston 9, then piston pin 11 can be blocked by pin back-up ring 10 so that piston pin 11 and work
Connection between plug 9 is even closer, and the structure of the engine piston connecting rod group is simple in construction, easy for installation, can not only make work
The wearability of plug 9 is more preferable, once extends the service life of piston 9, and can meet vehicle automatic start-stop functional requirement, makes
With more convenient.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of structure of engine piston connecting rod group, including piston（9）, it is characterised in that：The piston（9）Lower end outside
Provided with three connecting grooves, compression ring is equipped with two connecting grooves of lower end（7）, a connecting groove of upper end is interior to be provided with oil
Ring（8）, the piston（9）Upper end be provided with through hole, is provided with piston pin in the through hole（11）, piston pin（11）Centre be provided with
Connecting rod（5）, connecting rod（5）Small end through hole be socketed in piston pin（11）Outside among, the connecting rod（5）Remote and piston pin
（11）One end of connection is provided with connecting plate, and the side of connecting plate is connected with connecting rod cap by connecting free bearing（2）, connecting rod cap（2）With
The other end of connecting plate is provided with corresponding through hole, connecting rod cap（2）Connecting-rod bolts are provided between the through hole of connecting plate（4）, connecting rod
Bolt（4）Between be provided with connecting rod nut（3）, and connecting rod cap（2）Bearing shell is provided between connecting plate（1）.
A kind of 2. structure of engine piston connecting rod group according to claim 1, it is characterised in that：The piston pin（11）
And piston（9）Junction between be provided with pin back-up ring（10）, and sell back-up ring（10）Outside and piston（9）Outside it is equal.
A kind of 3. structure of engine piston connecting rod group according to claim 1, it is characterised in that：The connecting rod（5）With
Piston pin（11）Junction between be provided with connecting rob bushing（6）, the connecting rod（5）Small end and connecting rob bushing（6）On be equipped with
Aperture.
A kind of 4. structure of engine piston connecting rod group according to claim 1, it is characterised in that：The connecting rod（5）'s
Connecting plate and connecting rod cap（2）It is arcuate structure, and connecting rod（5）Connecting plate and connecting rod cap（2）The same side be provided with pairing
Mark.
A kind of 5. structure of engine piston connecting rod group according to claim 1, it is characterised in that：The bearing shell（1）Bag
AlSn sputtering coatings are included, the outside of AlSn sputtering coatings is provided with nichrome composite powder sputtering layer, and nichrome is multiple
The outside for closing powder sputtering layer is provided with inner liner, and the outside of liner is provided with steel back layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128999.8A CN107740861A (en) | 2017-11-15 | 2017-11-15 | A kind of structure of engine piston connecting rod group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711128999.8A CN107740861A (en) | 2017-11-15 | 2017-11-15 | A kind of structure of engine piston connecting rod group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740861A true CN107740861A (en) | 2018-02-27 |
Family
ID=61234793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711128999.8A Pending CN107740861A (en) | 2017-11-15 | 2017-11-15 | A kind of structure of engine piston connecting rod group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740861A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179571A (en) * | 2013-05-22 | 2014-12-03 | 上海尧华科技发展有限公司 | Convenient and fast automobile piston connecting rod crank shaft group |
| CN204704008U (en) * | 2015-05-31 | 2015-10-14 | 傅景红 | Engine piston connecting rod assembly |
| CN105156171A (en) * | 2015-08-18 | 2015-12-16 | 河南柴油机重工有限责任公司 | Lubricating and cooling combined type structure of engine piston and connecting rod set |
| CN205013072U (en) * | 2015-08-18 | 2016-02-03 | 河南柴油机重工有限责任公司 | Lubrication and cooling composite structure of engine piston rod group |
-
2017
- 2017-11-15 CN CN201711128999.8A patent/CN107740861A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179571A (en) * | 2013-05-22 | 2014-12-03 | 上海尧华科技发展有限公司 | Convenient and fast automobile piston connecting rod crank shaft group |
| CN204704008U (en) * | 2015-05-31 | 2015-10-14 | 傅景红 | Engine piston connecting rod assembly |
| CN105156171A (en) * | 2015-08-18 | 2015-12-16 | 河南柴油机重工有限责任公司 | Lubricating and cooling combined type structure of engine piston and connecting rod set |
| CN205013072U (en) * | 2015-08-18 | 2016-02-03 | 河南柴油机重工有限责任公司 | Lubrication and cooling composite structure of engine piston rod group |
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Legal Events
| 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: 20180227 |