CN206299470U - A kind of friction welding piston - Google Patents
A kind of friction welding piston Download PDFInfo
- Publication number
- CN206299470U CN206299470U CN201621257819.7U CN201621257819U CN206299470U CN 206299470 U CN206299470 U CN 206299470U CN 201621257819 U CN201621257819 U CN 201621257819U CN 206299470 U CN206299470 U CN 206299470U
- Authority
- CN
- China
- Prior art keywords
- piston
- skirt
- crown
- cooling oil
- friction welding
- 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
- 238000003466 welding Methods 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims 1
- 238000005476 soldering Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 6
- 239000010959 steel Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- 238000005242 forging Methods 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model discloses a kind of friction welding piston, including piston crown and piston skirt；Set fluted in the bottom of the piston crown and piston skirt top；The utility model provides a kind of friction welding piston, and structure is novel；Piston is divided into piston head, two splits of piston skirt, go out groove in piston crown and piston skirt turning respectively, then two splits of piston head and piston skirt are welded together using friction-welding machine, two grooves form a complete inner-cooling oil recess in piston crown, for reducing the temperature of top land and annular groove position, reduce thermic load, inner-cooling oil recess may be designed as thin-walled to increase cooling effect apart from the distance of combustion chamber, piston-top surface, piston bottom circle, reduce piston weight, in addition below oil groove also can turning go out lightening grooves to reduce piston weight；When efficiently solving conventional aluminum piston and being converted to steel pistons, the general structure form of steel pistons is solid forging, inner-cooling oil recess processing difficulties, high cost problem.
Description
Technical field
The utility model is related to engine piston technical field, specifically a kind of friction welding piston.
Background technology
With development of engine, the explosion pressure more and more higher of engine, power per liter more and more higher, torque per liter is also increasingly
Height, piston heat load more and more higher, aluminum piston is increasingly difficult to be competent at the requirement of engine, is that this steel pistons arises at the historic moment, often
The steel pistons structure type of rule is solid forging, and piston weight exceeds well over aluminum piston, and inner-cooling oil recess processing difficulties, cost compared with
It is high.
Utility model content
The purpose of this utility model is to provide a kind of friction welding piston, with asking for solving to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：
A kind of friction welding piston, including piston crown and piston skirt；The bottom and piston skirt of the piston crown
Set in top fluted；The groove can be molded by turning, and the piston crown and piston skirt are connected one
Rise, the groove of piston crown and piston skirt docks to form a complete inner-cooling oil recess；Piston crown and piston skirt can be with
Piston head and piston skirt are welded together using friction-welding machine；Piston crown and Contact of Piston Skirt face form seal-weld.
As further program of the utility model：The inner-cooling oil recess and adjoining that combustion chamber, piston-top surface, piston bottom are justified
Adjacent side wall may be designed as thin-walled to increase cooling effect, reduce piston weight.
As the utility model further scheme：In addition also can car below the corresponding oil groove of the inner-cooling oil recess of piston
Lightening grooves are cut out to reduce piston weight.
Compared with prior art, the beneficial effects of the utility model are：
The utility model provides a kind of friction welding piston, and structure is novel；Piston is divided into two points of piston head, piston skirt
Body, goes out groove in piston crown and piston skirt turning respectively, then utilizes friction-welding machine by two points of piston head and piston skirt
Body welds together, and two grooves form a complete inner-cooling oil recess in piston crown, for reducing top land and annular groove portion
The temperature of position, reduces thermic load, and inner-cooling oil recess may be designed as thin-walled apart from the distance of combustion chamber, piston-top surface, piston bottom circle
To increase cooling effect, reduce piston weight, in addition below oil groove also can turning go out lightening grooves to reduce piston weight；Effectively
When solving conventional aluminum piston and being converted to steel pistons, the general structure form of steel pistons is solid forging, inner-cooling oil recess processing
Difficulty, high cost problem.
Brief description of the drawings
Fig. 1 is the structural representation of friction welding piston.
In figure：1- piston heads, 2- piston skirts, 3- inner-cooling oil recess, 4- weld seams.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refer to Fig. 1, a kind of friction welding piston, including piston crown 1 and piston skirt 2；The bottom of the piston crown 1
Set fluted in portion and the top of piston skirt 2；The groove can be molded by turning, the piston crown 1 and piston skirt
Portion 2 welds together, and the groove of piston crown 1 and piston skirt 2 docks to form a complete inner-cooling oil recess；Piston crown 1
Piston head and piston skirt can be welded together using friction-welding machine with piston skirt 2；Piston crown 1 and piston skirt 2 connect
Contacting surface forms seal-weld 4；The cooling oil chamber is used for reducing the temperature at top land and annular groove position, reduces thermic load, interior
Cold oil chamber may be designed as thin-walled to increase cooling effect with the side wall for adjoining of combustion chamber, piston-top surface, piston bottom circle, reduce
Piston weight, in addition below oil groove also can turning go out lightening grooves to reduce piston weight.
Operation principle of the present utility model is：The utility model provides a kind of friction welding piston, and structure is novel；By piston
It is divided into piston head, two splits of piston skirt, goes out groove in piston crown and piston skirt turning respectively, then using friction-welding machine
Two splits of piston head and piston skirt are welded together, two grooves form a complete inner-cooling oil recess in piston crown, used
To reduce the temperature of top land and annular groove position, thermic load is reduced, inner-cooling oil recess is apart from combustion chamber, piston-top surface, piston bottom
Round distance may be designed as thin-walled to increase cooling effect, reduce piston weight, in addition below oil groove also can turning go out to subtract
Baking soda is reducing piston weight.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (3)
1. a kind of friction welding piston, including piston crown and piston skirt；Characterized in that, the bottom of the piston crown and
Set fluted in the top of piston skirt；The groove can be molded by turning, and the piston crown and piston skirt coordinate
Link together, the groove of piston crown and piston skirt docks to form a complete inner-cooling oil recess；Piston crown and piston
Skirt section can be welded together piston head and piston skirt using friction-welding machine；Piston crown and Contact of Piston Skirt face form close
Soldering and sealing is stitched.
2. friction welding piston according to claim 1, it is characterised in that the inner-cooling oil recess and combustion chamber, piston top
Face, the side wall for adjoining of piston bottom circle may be designed as thin-walled.
3. friction welding piston according to claim 1, it is characterised in that in addition in the corresponding oil of inner-cooling oil recess of piston
Below groove also can turning go out lightening grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257819.7U CN206299470U (en) | 2016-11-23 | 2016-11-23 | A kind of friction welding piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621257819.7U CN206299470U (en) | 2016-11-23 | 2016-11-23 | A kind of friction welding piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206299470U true CN206299470U (en) | 2017-07-04 |
Family
ID=59213130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621257819.7U Active CN206299470U (en) | 2016-11-23 | 2016-11-23 | A kind of friction welding piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206299470U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443027A (en) * | 2018-03-20 | 2018-08-24 | 玉柴联合动力股份有限公司 | A kind of steel pistons friction welding (FW) contact face structure |
| CN110260140A (en) * | 2019-07-17 | 2019-09-20 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump that the lubricating oil convenient for axis leaks |
| CN113898492A (en) * | 2021-10-09 | 2022-01-07 | 常州中车柴油机零部件有限公司 | Large-cylinder-diameter forged steel piston and manufacturing method thereof |
-
2016
- 2016-11-23 CN CN201621257819.7U patent/CN206299470U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443027A (en) * | 2018-03-20 | 2018-08-24 | 玉柴联合动力股份有限公司 | A kind of steel pistons friction welding (FW) contact face structure |
| CN110260140A (en) * | 2019-07-17 | 2019-09-20 | 湖南机油泵股份有限公司 | A kind of lubricating oil pump that the lubricating oil convenient for axis leaks |
| CN113898492A (en) * | 2021-10-09 | 2022-01-07 | 常州中车柴油机零部件有限公司 | Large-cylinder-diameter forged steel piston and manufacturing method thereof |
| CN113898492B (en) * | 2021-10-09 | 2024-03-29 | 常州中车柴油机零部件有限公司 | Large-cylinder-diameter forged steel piston and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190111 Address after: 276500 Rizhao City Chengyang Economic Development Zone, Shandong Chengyang 888 North Road No. 888 Patentee after: Shandong evolutional New Material Co., Ltd. Address before: 276500 Rizhao City Chengyang Economic Development Zone, Shandong Chengyang 888 North Road No. 888 Patentee before: Rizhao Kinkong Piston Co., Ltd. |
|
| TR01 | Transfer of patent right |