CN202251392U - Engine connecting rod - Google Patents
Engine connecting rod Download PDFInfo
- Publication number
- CN202251392U CN202251392U CN2011203185694U CN201120318569U CN202251392U CN 202251392 U CN202251392 U CN 202251392U CN 2011203185694 U CN2011203185694 U CN 2011203185694U CN 201120318569 U CN201120318569 U CN 201120318569U CN 202251392 U CN202251392 U CN 202251392U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- positioning hole
- benchmark
- rod body
- 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.)
- Expired - Lifetime
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses an engine connecting rod, which comprises a connecting rod body and a connecting rod cover, wherein the connecting rod body comprises a rod body, a small head part and a large head part, wherein the junction between the small head part and the rod body is provided with a first positioning hole, the junction between the large head part and the rod body is provided with a second positioning hole, the connecting rod cover is provided with a third positioning hole and a fourth positioning hole, and the first, the second, the third and the fourth positioning holes are processed by adopting a small head hole as benchmark; and then the first positioning hole and the second positioning hole on the connecting rod body are adopted as the benchmark, the connecting rod body is separated from the connecting rod cover in an incision method, a jugged surface on the large head part is processed by adopting the first positioning hole and the second positioning hole as the benchmark, a jugged surface on the connecting rod cover is processed by adopting the third positioning hole and the fourth positioning hole as the benchmark, and finally the connecting rod body is connected with the connecting rod cover through bolts; and by adopting the identical positioning benchmark, the accumulated error is free from being produced, and the processing precision can be improved.
Description
Technical field
The utility model relates to a kind of DENG member, specifically, relates to a kind of engine link, belongs to field of mechanical technique.
Background technique
As shown in Figure 1; Present crankshaft of diesel engine connecting rod comprises connecting rod shank and connecting rod cap 4; Common connecting rod shank and connecting rod cap one forging molding, and then adopt otch or bloated disconnected method that connecting rod shank is separated with connecting rod cap 4, on connecting rod shank and connecting rod cap 4, process the toothed surface that matches respectively; With bolt 6, bolt 7 connecting rod shank and connecting rod cap 4 are coupled together at last; Because engine link stressing conditions when work is complicated, and receives variation frequent, thereby the connection reliability of connecting rod shank and connecting rod cap is had higher requirement.Adding man-hour; Normally with the outer side surface of microcephaly hole 1, enlarged head 3 and bottom surface as the orientation type of reference level, in different manufacturing procedures, use different frock clampings, adopt identical orientation type; Therefore can produce cumulative error, cause machining accuracy to reduce; The outer side surface of microcephaly hole 1, enlarged head 3 as reference level, just need be processed its outer side surface locating face, increased cost of production, reduce manufacturing efficiency.
The model utility content
The problem that the utility model will solve is to above deficiency, and the engine link that a kind of machining accuracy is high, production process is few, cost of production is low is provided.
For overcoming the above problems; The technological scheme that the utility model adopted is: a kind of engine link; Comprise connecting rod shank and connecting rod cap, connecting rod shank comprises shaft, little head and enlarged head, it is characterized in that: little head and shaft joint are provided with first positioning hole; Enlarged head and shaft joint are provided with second positioning hole, and connecting rod cap is provided with the 3rd positioning hole and the 4th positioning hole.
The utility model is taked above technological scheme, compared with prior art, has the following advantages: adding man-hour, is benchmark with the microcephaly hole earlier, processes first positioning hole, second positioning hole, the 3rd positioning hole and the 4th positioning hole; Be benchmark with first positioning hole on the connecting rod shank, second positioning hole again; Adopt the otch method that connecting rod shank is separated with connecting rod cap; With first positioning hole, second positioning hole is the toothed surface on the benchmark processing enlarged head; With the 3rd positioning hole and the 4th positioning hole is the toothed surface on the benchmark processing connecting rod cap, with bolt connecting rod shank and connecting rod cap is coupled together at last; Owing to adopted identical locating basis, therefore can not produce cumulative error, so improved machining accuracy; Do not need again the outer side surface of microcephaly hole, enlarged head to be done to process, reduced production process, reduced cost of production, improved manufacturing efficiency.
The utility model is described further with implementing below in conjunction with accompanying drawing.
Description of drawings
Accompanying drawing 1 is the structural representation of engine link in the existing technology;
Accompanying drawing 2 is the structural representation of engine link among the utility model embodiment;
Among the figure,
1-microcephaly hole, 2-shaft, 3-enlarged head, 4-connecting rod cap, 5-big end hole, 6, the 7-bolt, 8-first positioning hole, 9-second positioning hole, 10-the 3rd positioning hole, 11-the 4th positioning hole, the little head of 12-.
Embodiment
Embodiment, as shown in Figure 2, a kind of engine link; Comprise connecting rod shank and connecting rod cap 4, connecting rod shank comprises shaft 2, microcephaly portion 12 and enlarged head 3, and microcephaly portion 12 is provided with microcephaly hole 1; Enlarged head 3 is fixedly connected through bolt 6, bolt 7 with connecting rod cap 4, and enlarged head 3 is a big end hole 5 with the centre of connecting rod cap 4, is provided with first positioning hole 8 in microcephaly portion 12 with shaft 2 joints; Enlarged head 3 is provided with second positioning hole 9 with shaft 2 joints, and connecting rod cap 4 is provided with the 3rd positioning hole 10 and the 4th positioning hole 11;
Adding man-hour, is benchmark with microcephaly hole 1 earlier, processes first positioning hole 8, second positioning hole 9, the 3rd positioning hole 10 and the 4th positioning hole 11; Be benchmark with first positioning hole 8, second positioning hole 9 on the connecting rod shank again; Adopt the otch method that connecting rod shank is separated with connecting rod cap 4; With first positioning hole 8, second positioning hole 9 is the toothed surface on the benchmark processing enlarged head 3; With the 3rd positioning hole 10 and the 4th positioning hole 11 is the toothed surface on the benchmark processing connecting rod cap 4, with bolt 6, bolt 7 connecting rod shank and connecting rod cap 4 is coupled together at last; Adopt identical locating basis, therefore can not produce cumulative error, so improved machining accuracy; Do not need again the outer side surface of microcephaly hole 1, enlarged head 3 to be done to process, reduced production process, reduced cost of production, improved manufacturing efficiency.
Claims (1)
1. an engine link comprises connecting rod shank and connecting rod cap (4), and connecting rod shank comprises shaft (2), little head (12) and enlarged head (3), it is characterized in that: said little head (12) is provided with first positioning hole (8) with shaft (2) joint; Enlarged head (3) is provided with second positioning hole (9) with shaft (2) joint; Connecting rod cap (4) is provided with the 3rd positioning hole (10) and the 4th positioning hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203185694U CN202251392U (en) | 2011-08-29 | 2011-08-29 | Engine connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203185694U CN202251392U (en) | 2011-08-29 | 2011-08-29 | Engine connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202251392U true CN202251392U (en) | 2012-05-30 |
Family
ID=46112640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203185694U Expired - Lifetime CN202251392U (en) | 2011-08-29 | 2011-08-29 | Engine connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202251392U (en) |
-
2011
- 2011-08-29 CN CN2011203185694U patent/CN202251392U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210226 Address after: 261000 north of Xishou Road, Qinglonghu Road, Anqiu Economic Development Zone, Weifang City, Shandong Province Patentee after: Shandong Shengxiang Power Co.,Ltd. Address before: 261041 17th floor, Jinma international business building, east of Jinma Road, south of Dongfeng East Street, high tech Zone, Weifang City, Shandong Province Patentee before: SHENGRUI TRANSMISSION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |