CN201407166Y - Piston connecting rod assembly of internal combustion engine type novel air compressor - Google Patents
Piston connecting rod assembly of internal combustion engine type novel air compressor Download PDFInfo
- Publication number
- CN201407166Y CN201407166Y CN2009203022562U CN200920302256U CN201407166Y CN 201407166 Y CN201407166 Y CN 201407166Y CN 2009203022562 U CN2009203022562 U CN 2009203022562U CN 200920302256 U CN200920302256 U CN 200920302256U CN 201407166 Y CN201407166 Y CN 201407166Y
- Authority
- CN
- China
- Prior art keywords
- piston
- ring
- connecting rod
- air compressor
- oil
- 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.)
- Expired - Fee Related
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 14
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 19
- 239000011651 chromium Substances 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 15
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 210000000707 wrist Anatomy 0.000 claims description 11
- 241000826860 Trapezium Species 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000007667 floating Methods 0.000 abstract description 4
- 238000007747 plating Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Landscapes
- Compressor (AREA)
Abstract
A piston connecting rod assembly of an internal combustion engine type novel air compressor relates to parts of an air compressor, and comprises a piston, a piston pin, a connecting rod and a piston ring, wherein the piston is of a single-stage cylindrical structure, and an integral supporting structure is arranged between a piston pin seat and a pressure bearing surface of the piston; the connecting rod adopts an integral type inclined notch structure, and the connecting rod is connected with a connecting rod mounting hole of the piston and the piston pin seat of the piston in a floating connection mode; the piston ring is an alloy chromium plating piston ring. The piston is provided with three piston rings, the longitudinal section of the first gas ring is of a barrel surface trapezoidal structure, and the surface layer of the barrel surface is a chromium coating; the longitudinal section of the second gas ring is of a conical surface structure with an inner circle and a lower chamfer, and the surface layer of the conical surface is a chromium coating; the third piston ring is a combined oil ring. The utility model has the advantages of intensity is high, good reliability, longe-lived, commonality and interchangeability are good, dismouting easy maintenance, leakproofness and wearability are good, be suitable for and use in internal-combustion engine formula air compressor machine.
Description
Technical field:
The utility model relates to a kind of component of air compressor, particularly a kind of internal-combustion engine formula novel air compressor piston rod part.
Background technique:
The piston rod part of tradition single-acting piston type air compressor generally is made up of parts such as trunk piston, wrist pin, connecting rod, piston rings, and its technical characterstic and deficiency are as follows:
1, the piston pin boss of traditional air compressor trunk piston is connected with piston barrel and top by stiffening rib, and part strength is lower, and reliability is relatively poor, generally is used for small-sized no crosshead or mesolow compressor more.In the higher air compressor of pressure, need plunger designs is become the classification tubular construction, piston is connected by piston rod with connecting rod, complex structure, manufacture cost is higher;
2, traditional air compressor wrist pin has four kinds with the Placement of connecting rod, key seat: wrist pin is fastened on the key seat, wrist pin is fastened on the connecting rod, piston is connected with the connecting rod spherical joint.Preceding two kinds of Placements wearing and tearing are uneven, dismounting inconvenience; Piston and connecting rod spherical joint linkage structure complexity, processing difficulties, manufacture cost height; The size of floating piston pin is bigger, and part universality, interchangeability are relatively poor.
3, the connecting rod of traditional air compressor generally adopts flat nick structure connecting rod or connecting rod+piston rod construction, and versatility and interchangeability are poor, manufacture cost and maintenance cost height.
4, the piston ring structure form of conventional piston air compressor has multiple, for improving the life-span of sealing and prolongation piston ring, generally structurally adopt the technology of multilayer (sheet) associative ring and ring cylindrical chromium plating or inlaying abrasion-resistant alloy, structure is complicated, part universality, interchangeability are relatively poor, and manufacture cost is higher.
The model utility content:
The technical problems to be solved in the utility model is: a kind of internal-combustion engine formula novel air compressor piston rod part is provided, and the existing existing part strength of air compressor piston rod part is low to solve, poor reliability, working life are short, part universality and the relatively poor problem of interchangeability.
The technological scheme that solves the problems of the technologies described above is: a kind of internal-combustion engine formula novel air compressor piston rod part, comprise piston, wrist pin, connecting rod, piston ring, described piston is the single-stage tubular construction, is the integrated type supporting structure between the piston pin boss of this piston and the pressure-bearing surface; Described connecting rod adopts integrated type angular cut structure, between the connecting rod mounting hole of this connecting rod and piston, between the piston pin boss of wrist pin and piston all the unsteady ways of connecting of employing be connected; Described piston ring is the alloy chrome plated piston ring.
Further technological scheme of the present utility model is: described piston is provided with three road piston ring grooves, this three roads piston ring groove is respectively top-ring groove, second-ring groove and the 3rd road piston ring groove, wherein, the longitudinal section of top-ring groove is a trapezium structure, the longitudinal section that is positioned at the top compression ring of this top-ring groove is bucket face trapezium structure, and its barrel face top layer is a chromium coating; The longitudinal section that is positioned at the second road compression ring of second-ring groove is the cone structure of round downside chamfering, and its conical surface top layer is a chromium coating; Be positioned at the combined oil ring of oil ring for being made up of oil ring body, rod bolt and helical supporting spring of the 3rd road piston ring groove, the external circle of the oil ring of this oil ring has the twice oil-scrapping sheet, and the top layer of oil-scrapping sheet is a chromium coating.
The described connecting rob bushing that is embedded in the connecting rod small end piston pin hole is made by wear-resisting lead bronze material.
Because adopt said structure, the internal-combustion engine formula novel air compressor piston rod part of the utility model is compared with existing air compressor piston rod part, has following beneficial effect:
1, part strength height, good reliability, long service life:
Because the utility model adopts the piston rod part of " single-stage trunk piston+floating piston pin+high-strength connecting rod+alloy chrome plated piston ring " structure, its piston is the single-stage tubular construction, is the integrated type supporting structure between the piston pin boss of this piston and the pressure-bearing surface; And connecting rod adopts the high-strength structure of integrated type angular cut, and therefore, part strength height of the present utility model, bearing capacity are strong, good reliability, long service life, and part can bear higher pressure and operating rate.
2, the versatility of part and interchangeability are good:
Because the utility model adopts the piston rod part of " single-stage trunk piston+floating piston pin+high-strength connecting rod+alloy chrome plated piston ring " structure, most of part all with the corresponding universal component of the diesel engine of having produced in enormous quantities, the versatility of its component and interchangeability are good, and simple in structure, manufacturing technology is ripe.
3, dismounting is easy to maintenance:
Because between the connecting rod mounting hole of connecting rod of the present utility model and piston, all adopt unsteady ways of connecting to be connected between the piston pin boss of wrist pin and piston, therefore, its dismounting is keeped in repair more convenient.
4, except above-mentioned advantage, because piston ring of the present utility model adopts the piston ring of " the trapezoidal chrome-faced ring+taper-face ring of bucket face+combined oil ring " three types, promptly be that the longitudinal section of top compression ring is bucket face trapezium structure, its barrel face top layer is a chromium coating; The longitudinal section of the second road compression ring is the cone structure of interior round downside chamfering, and its conical surface top layer is a chromium coating; Oil ring is the combined oil ring of being made up of oil ring body, rod bolt and helical supporting spring, the external circle of the oil ring of this oil ring has the twice oil-scrapping sheet, and the top layer of oil-scrapping sheet is a chromium coating, therefore, this piston rod part is used with the cylinder liner of fluted platform reticulate pattern, also brings following beneficial effect:
(1), top compression ring adopts chromium plating bucket face trapezium structure, the resistance to flexure height has very high impact toughness, chromium coating has good wear resistance and resistance to marring, and lubricant oil is had good control action, can effectively stop the formation of carbon distribution, the clamping stagnation of anti-stop ring prolongs the working life of encircling;
(2), the second road compression ring adopts taper-face ring, makes ring have the control ability of good running-in characteristic and sealing and lubricant oil when work, can effectively reduce the wearing and tearing of piston ring and cylinder, the oil content of minimizing gas leakage and pressurized gas;
(3), the 3rd road ring is cylindrical chromium plating combined oil ring, further strengthens the lubricant oil control ability working life that helps improving ring, reduce and scurry the contract lubricant oil quantity of cylinder of entrance pressure.
The piston ring of above-mentioned three kinds of structural types is used in combination, and a pair of friction pair that the groove platform checkered cylinder jacket inner headed face that comes out with abrasive machining constitutes has good sealing reliability and wear resistance, can prolong the working life of cylinder liner and piston ring greatly.
Below, the technical characteristics that the single-acting internal-combustion engine formula novel piston air compressor cylinder of the utility model is overlapped is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings:
Fig. 1～Fig. 2: the structural representation of the internal-combustion engine formula novel air compressor piston rod part of the utility model,
The A-A sectional view of Fig. 1: Fig. 2, Fig. 2: plan view,
Fig. 3～Fig. 4: the structure of piston schematic representation,
Fig. 3: the main I portion enlarged diagram of looking sectional view, Fig. 4: Fig. 3;
Fig. 5～Fig. 7: the structural representation of three types of piston rings,
Fig. 5: the partial longitudinal section cut-away view of top compression ring,
Fig. 6: the partial longitudinal section cut-away view of the second road compression ring,
Fig. 7: the partial longitudinal section cut-away view of oil ring;
Among the figure:
The 1-piston, 101-piston pin boss, 102-pressure-bearing surface, 103-connecting rod mounting hole, the 104-top-ring groove, 105-second-ring groove, 106-the 3rd road piston ring groove, the 2-connecting rod, 201-connecting rob bushing, 3-wrist pin, the 4-top compression ring, 401-bucket face, the 5-second road compression ring, the 501-conical surface, 6-oil ring, 601-oil ring body, the 602-rod bolt, 603-helical supporting spring, the top layer of 6011-oil-scrapping sheet.
Embodiment:
Disclosed among Fig. 1～Fig. 2 is a kind of internal-combustion engine formula novel air compressor piston rod part, comprise piston, wrist pin, connecting rod, piston ring, described piston 1 is that the single-stage tubular construction is (referring to Fig. 3～Fig. 4), be the integrated type supporting structure between the piston pin boss 101 of this piston and the pressure-bearing surface 102, the periphery shape of piston is according to the standard manufacture of diesel engine piston molded lines, be controlled at 0.08～0.12mm with the cylinder prepareding gap of cylinder by the diesel engine standard, make piston and cylinder have good sealing property, help reducing the gas leakage amount; Described connecting rod 2 adopts integrated type angular cut structure, the connecting rob bushing 201 that is embedded in the connecting rod small end piston pin hole is made by wear-resisting lead bronze material, between the connecting rod mounting hole 103 of this connecting rod 2 and piston 1, between the piston pin boss 101 of wrist pin 3 and piston all the unsteady ways of connecting of employing be connected; Described piston ring is the alloy chrome plated piston ring; Described piston 1 is provided with three road piston ring grooves, this three roads piston ring groove is respectively top-ring groove 104, second-ring groove 105 and the 3rd road piston ring groove 106, wherein, the longitudinal section of top-ring groove 104 is a trapezium structure, the longitudinal section that is positioned at the top compression ring 4 of this top-ring groove 104 is symmetry bucket face trapezium structure, and its barrel face 401 top layers are chromium coating; The longitudinal section that is positioned at the second road compression ring 5 of this second-ring groove 105 is the cone structure of round downside chamfering, and its conical surface 501 top layers are chromium coating; Be positioned at oil ring 6 combined oil ring for being made up of oil ring body 601, rod bolt 602 and helical supporting spring 603 of the 3rd road piston ring groove 106, oil ring body 601 cylindricals of this oil ring have the twice oil-scrapping sheet, and the top layer 6011 of oil-scrapping sheet is that chromium coating is (referring to Fig. 5～Fig. 7).
As a kind of conversion of the present utility model, the described connecting rob bushing 201 that is embedded in the connecting rod small end piston pin hole also can be to be made by other material.
Claims (3)
1. an internal-combustion engine formula novel air compressor piston rod part comprises piston, wrist pin, connecting rod, piston ring, and it is characterized in that: described piston is the single-stage tubular construction, is the integrated type supporting structure between the piston pin boss of this piston and the pressure-bearing surface; Described connecting rod adopts integrated type angular cut structure, between the connecting rod mounting hole of this connecting rod and piston, between the piston pin boss of wrist pin and piston all the unsteady ways of connecting of employing be connected; Described piston ring is the alloy chrome plated piston ring.
2. internal-combustion engine formula novel air compressor piston rod part according to claim 1, it is characterized in that: described piston is provided with three road piston ring grooves, this three roads piston ring groove is respectively top-ring groove, second-ring groove and the 3rd road piston ring groove, wherein, the longitudinal section of top-ring groove is a trapezium structure, the longitudinal section that is positioned at the top compression ring of this top-ring groove is bucket face trapezium structure, and its barrel face top layer is a chromium coating; The longitudinal section that is positioned at the second road compression ring of second-ring groove is the cone structure of round downside chamfering, and its conical surface top layer is a chromium coating; Be positioned at the combined oil ring of oil ring for being made up of oil ring body, rod bolt and helical supporting spring of the 3rd road piston ring groove, the external circle of the oil ring of this oil ring has the twice oil-scrapping sheet, and the top layer of oil-scrapping sheet is a chromium coating.
3. internal-combustion engine formula novel air compressor piston rod part according to claim 1 and 2 is characterized in that: the connecting rob bushing that is embedded in the connecting rod small end piston pin hole is made by wear-resisting lead bronze material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203022562U CN201407166Y (en) | 2009-04-16 | 2009-04-16 | Piston connecting rod assembly of internal combustion engine type novel air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203022562U CN201407166Y (en) | 2009-04-16 | 2009-04-16 | Piston connecting rod assembly of internal combustion engine type novel air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201407166Y true CN201407166Y (en) | 2010-02-17 |
Family
ID=41678099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203022562U Expired - Fee Related CN201407166Y (en) | 2009-04-16 | 2009-04-16 | Piston connecting rod assembly of internal combustion engine type novel air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201407166Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922377A (en) * | 2010-09-03 | 2010-12-22 | 江苏仪征威龙活塞环有限公司 | Piston ring and manufacturing method thereof |
| TWI398578B (en) * | 2010-11-02 | 2013-06-11 | ||
| CN103527317A (en) * | 2013-10-30 | 2014-01-22 | 长城汽车股份有限公司 | Piston connection rod assembly of engine and engine with same |
| CN103742283A (en) * | 2013-11-12 | 2014-04-23 | 江苏环洋组合机床有限公司 | Piston ring and manufacturing method thereof |
-
2009
- 2009-04-16 CN CN2009203022562U patent/CN201407166Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922377A (en) * | 2010-09-03 | 2010-12-22 | 江苏仪征威龙活塞环有限公司 | Piston ring and manufacturing method thereof |
| TWI398578B (en) * | 2010-11-02 | 2013-06-11 | ||
| CN103527317A (en) * | 2013-10-30 | 2014-01-22 | 长城汽车股份有限公司 | Piston connection rod assembly of engine and engine with same |
| CN103527317B (en) * | 2013-10-30 | 2016-01-20 | 长城汽车股份有限公司 | The piston rod part of motor and there is its motor |
| CN103742283A (en) * | 2013-11-12 | 2014-04-23 | 江苏环洋组合机床有限公司 | Piston ring and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201407166Y (en) | Piston connecting rod assembly of internal combustion engine type novel air compressor | |
| CN201407168Y (en) | Cylinder jacket of internal combustion engine type novel piston air compressor | |
| CN216278759U (en) | Piston rod structure of hydraulic oil cylinder | |
| CN201335104Y (en) | Detachable hydraulic coupling | |
| CN201513553U (en) | Strengthening oil ring | |
| CN208380710U (en) | A kind of high-performance heavy diesel engine piston ring group | |
| CN217501815U (en) | Piston ring with high wear resistance suitable for matching steel piston | |
| CN201486681U (en) | Heavy diesel engine piston ring set | |
| CN2649904Y (en) | Composite nylon pipe | |
| CN214616788U (en) | Low-friction in-cylinder assembly of engine | |
| CN221033916U (en) | High-wear-resistance low-friction piston ring | |
| CN208184963U (en) | A kind of novel high-performance piston | |
| CN203374363U (en) | Diesel engine power cylinder combination mechanism | |
| CN205064112U (en) | Piston ring set of supercharged direct injection gasoline engine | |
| CN205977440U (en) | Take piston of strengthening rib | |
| CN218493692U (en) | Piston ring group for cylinder liner-free diesel engine | |
| CN209041314U (en) | A kind of corrosion-resistant crankshaft | |
| CN212318175U (en) | Elastic lining piston ring | |
| CN204493345U (en) | A kind of stainless steel piston rod | |
| CN201448161U (en) | Second gaseous ring of a diesel engine | |
| CN201193487Y (en) | Wear resistant type pump rod joint | |
| CN220869529U (en) | Piston ring set of heavy diesel engine for vehicle | |
| CN216077806U (en) | Accurate internal diameter stainless steel seamless steel pipe for hydraulic and pneumatic cylinder | |
| CN220599961U (en) | Wear-resisting air compressor piston | |
| CN223578813U (en) | A gas spring piston with a wear-resistant coating |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Liuzhou Hengda Power Machinery Manufacturing Co., Ltd. Assignor: Liuzhou Yudong Diesel Machine Co., Ltd. Contract record no.: 2010450000055 Denomination of utility model: Piston connecting rod component of internal combustion engine type novel air compressor Granted publication date: 20100217 License type: Exclusive License Record date: 20100806 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100217 Termination date: 20110416 |