CN204755562U - Bent axle of air compressor machine - Google Patents
Bent axle of air compressor machine Download PDFInfo
- Publication number
- CN204755562U CN204755562U CN201520501183.5U CN201520501183U CN204755562U CN 204755562 U CN204755562 U CN 204755562U CN 201520501183 U CN201520501183 U CN 201520501183U CN 204755562 U CN204755562 U CN 204755562U
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- China
- Prior art keywords
- crankweb
- crank arm
- crank pin
- axle
- axle body
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Abstract
The utility model discloses a bent axle of air compressor machine, including the trunnion, the crank arm, crank pin and axle body, the crank arm includes left crank arm and right crank arm two parts, trunnion and axle body be the coaxial outside of locating left crank arm and right crank arm relatively respectively, it is equipped with the crank pin to press from both sides between left side crank arm and the right crank arm, the crank pin is equipped with logical groove along its axle center, it runs through left crank arm to lead to the groove, crank pin and right crank arm, logical groove is linked together with the oil duct that the confession lubricating oil that the trunnion was established along its axle center circulated, radially be equipped with a plurality of through -holes along it on the outer wall of crank pin, logical groove in a plurality of through -holes and the crank pin is linked together, trunnion and left crank arm, the department of meeting of axle body and right crank arm all is equipped with the cambered surface, compared with the prior art, the utility model discloses a set up the trompil that supplies emollient to flow on the lateral wall of crank arm, reduced the wear between axle body and trunnion and the corresponding bearing, prolonged the life of bent axle.
Description
Technical field
The utility model relates to a kind of bent axle, and more particularly, it relates to a kind of bent axle of air compressor.
Background technique
In piston type air compressor, piston does reciprocatory motion constantly by air compressing, one end of piston connects with connecting rod small end, connnecting rod big end is set on the crank pin of bent axle, the reciprocatory motion of piston and connecting rod is converted to the rotary motion of crankshaft main journal by bent axle, bent axle is supported by the main bearing of main bearing seat, in practice, in order to reduce the mutual wearing and tearing between metal part, in bent axle, be often drilled with oil duct flow to crankpin in order to allow lubrication wet goods oiling agent from main bearing, in order to lubricate the joint of crankpin and connecting rod bearing shell, reduce wearing and tearing, but, main journal with axle body is often arranged with bearing in order to be connected with main bearing seat, in crankshaft operation process, the sidewall of bearing and the sidewall of crankweb also can rub, and cannot the two be lubricated by the oiling agent that crank pin outer wall flows out, therefore be necessary on the sidewall of crankweb, offer the perforate of flowing out for oiling agent, with the sidewall of the sidewall of lubricating bearings and crankweb.
Secondly, in prior art, main journal and axle body offer the oil outlet for outflow of lubrication oil, with the outer wall of bearing inner race sheathed on lubricating spindle neck and axle body and main journal and axle body, but due to axle body and main journal self be the key supporting whole crankshaft operation, it is subject to the shuttle pressure from connecting rod, bearing strength and structural strength that many oil ducts will certainly reduce the two is offered in axle body and main journal, therefore, in order to avoid the problems referred to above, need to flow out the joint of lubricant oil water conservancy diversion to bearing inner race and axle body or main journal in perforate on crankweb sidewall.
Model utility content
For above problem, the utility model proposes a kind of bent axle of air compressor, reduce the abrasion of axle body and main journal and corresponding bearing, extend the working life of bent axle, concrete scheme is as follows:
A kind of bent axle of air compressor, comprise main journal, crankweb, crank pin and axle body, described crankweb comprises left crankweb and right crankweb two-part, described main journal and axle body are respectively relatively with the outside being located in left crankweb and right crankweb, crank pin is folded with between described left crankweb and right crankweb, the axis of described crank pin is parallel to each other with the axis of described main journal and axle body and separates a segment distance, described crank pin is provided with groove along its axle center, described groove runs through left crankweb, crank pin and right crankweb, described groove is connected along the groove set by its axle center with main journal, the outer wall of described crank pin is radially provided with multiple through hole, multiple described through hole is connected with the groove in crank pin.
Pass through technique scheme, lubrication wet goods oiling agent is passed into from the oil duct of main journal, the through hole that then lubricant oil is set from crankpin outer wall flows out, lubrication crankpin and connecting rod bearing shell, the wearing and tearing of both minimizings, in addition, because groove runs through left crankweb and right crankweb, lubricant oil flows out from the outer openings of left crankweb and right crankweb, lubricating bearings sidewall and crankweb, the wearing and tearing of both minimizings, further also serve etch-proof effect, effectively extend the working life of bent axle, enhance the reliability of crankshaft operation.
Further optimization, the connecting part of described main journal and left crankweb, axle body and right crankweb is equipped with cambered surface.
After bent axle uses a period of time, the position of bearing can offset along axle body and main journal, once the sidewall of bearing and the sidewall of crankweb bonded to each other, then greatly can increase friction therebetween, bearing and crankweb are worn and torn, is also unfavorable for the rotation of bent axle, by adopting technique scheme, can make to there is certain gap between bearing sidewall and the sidewall of crankweb, reduce the wearing and tearing of crankweb and bearing with this;
By arranging cambered surface, also the lubricant oil flowed out from crankweb sidewall is made more easily to flow to the joint of bearing inner race and axle body or main journal, prevent from wearing and tearing between bearing inner race and axle body and main journal, this also just eliminates the oil outlet offered on the outer wall of main journal or axle body in prior art, decrease the oil duct quantity offered in axle body and main journal, enhance the structural strength of axle body and main journal.
Further, the diameter of described groove is greater than the diameter of described through hole.
By above-mentioned setting, the lubrication wet goods lubricant dispense in groove can be made more even, avoid oiling agent all flowed out by through hole and cause the lateral opening of crankweb there is no lubricant oil.
Further, the opening of described groove and multiple described through hole is equipped with the conical surface.
By arranging the conical surface, secondly first facilitate the outflow of oiling agent, avoid bent axle and in use produce slight deformation and the edge dislocation or the distortion that cause opening, produce bur, prevent edge of opening distortion or dislocation from causing itself and bearing or other parts to be swiped.
Compared with prior art, the utility model by offering the perforate of flowing out for oiling agent on the sidewall of crankweb, reduce axle body and the abrasion between main journal and corresponding bearing, in addition, by arranging cambered surface in the connecting part of main journal and left crankweb, axle body and right crankweb, increase the gap between sheathed bearing sidewall and crankweb sidewall on main journal and axle body, decrease wearing and tearing, decrease the oil duct quantity in main journal and axle body simultaneously, enhance the structural strength of the two, extend the working life of bent axle.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of the utility model bent axle along main journal axial direction;
Description of reference numerals: 1, main journal; 2, crankweb; 3, crank pin; 4, axle body; 5, left crankweb; 6, right crankweb; 7, groove; 8, through hole; 9, cambered surface; 10, the conical surface.
Embodiment
Referring to figs. 1 through Fig. 2, the utility model embodiment is described further:
A kind of bent axle of air compressor, comprise main journal 1, crankweb 2, crank pin 3, axle body 4, crankweb 2 comprises left crankweb 5 and right crankweb 6 two-part, main journal 1 and axle body 4 are respectively relatively with the outside being located in left crankweb 5 and right crankweb 6, crank pin 3 is folded with between left crankweb 5 and right crankweb 6, the axis of crank pin 3 is parallel to each other with the axis of main journal 1 and axle body 4 and separates a segment distance, crank pin 3 is provided with groove 7 along its axle center, groove 7 runs through left crankweb 5, crank pin 3 and right crankweb 6, groove 7 is connected along the groove 7 set by its axle center with main journal 1, the outer wall of crank pin 3 is radially provided with multiple through hole 8, multiple through hole 8 is connected with the groove 7 in crank pin 3.
In use, lubrication wet goods oiling agent is passed into from the oil duct of main journal 1, the through hole 8 that then lubricant oil is set from crankpin outer wall flows out, lubrication crankpin and connecting rod bearing shell, the wearing and tearing of both minimizings, in addition, because groove 7 runs through left crankweb 5 and right crankweb 6, lubricant oil flows out from the outer openings of left crankweb 5 and right crankweb 6, lubricating bearings sidewall and crankweb 2, the wearing and tearing of both minimizings, further also serve etch-proof effect, effectively extend the working life of bent axle, enhance the reliability of crankshaft operation.
Preferably, the quantity set of through hole 8 is 2, and the outer wall being set in qually spaced in crank pin 3 is respectively connected with the groove 7 in crank pin 3, and optimize further, the connecting part of main journal 1 and left crankweb 5, axle body 4 and right crankweb 6 is equipped with cambered surface 9.
After bent axle uses a period of time, the position of bearing can offset along axle body 4 and main journal 1, once the sidewall of the sidewall of bearing and crankweb 2 is bonded to each other, then greatly can increase friction therebetween, bearing and crankweb 2 are worn and torn, is also unfavorable for the rotation of bent axle, by adopting technique scheme, can make to there is certain gap between the sidewall of bearing sidewall and crankweb 2, reduce the wearing and tearing of crankweb 2 and bearing with this;
By arranging cambered surface 9, also the lubricant oil flowed out from crankweb 2 sidewall is made more easily to flow to the joint of bearing inner race and axle body 4 or main journal 1, prevent from wearing and tearing between bearing inner race and axle body 4 and main journal 1, this also just eliminates the oil outlet offered on the outer wall of main journal 1 or axle body 4 in prior art, decrease the oil duct quantity offered in axle body 4 and main journal 1, enhance the structural strength of axle body 4 and main journal 1.
In order to make the lubrication wet goods lubricant dispense in groove 7 more even, avoid oiling agent all flowed out by through hole 8 and cause the lateral opening of crankweb 2 not have lubricant oil, optimization, the diameter of groove 7 is greater than the diameter of through hole 8.
Further optimization, groove 7 is equipped with the conical surface 10 with the opening of multiple through hole 8.
By arranging the conical surface 10, first the outflow of oiling agent is facilitated, secondly, avoid bent axle and in use produce slight deformation and the edge dislocation or the distortion that cause opening, produce bur, prevent edge of opening distortion or dislocation from causing itself and bearing or other parts to be swiped, detailed description, the conical surface 10 can be drilled to by direct drill bit in course of working.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. the bent axle of an air compressor, comprise main journal, crankweb, crank pin and axle body, described crankweb comprises left crankweb and right crankweb two-part, described main journal and axle body are respectively relatively with the outside being located in left crankweb and right crankweb, crank pin is folded with between described left crankweb and right crankweb, it is characterized in that: described crank pin is provided with groove along its axle center, described groove runs through left crankweb, crank pin and right crankweb, described groove is connected along the oil duct supplying lubricant oil to circulate set by its axle center with main journal, the outer wall of described crank pin is radially provided with multiple through hole, multiple described through hole is connected with the groove in crank pin, described main journal and left crankweb, the connecting part of axle body and right crankweb is equipped with cambered surface.
2. the bent axle of air compressor according to claim 1, is characterized in that: the diameter of described groove is greater than the diameter of described through hole.
3. the bent axle of air compressor according to claim 2, is characterized in that: the opening of described groove and multiple described through hole is equipped with the conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501183.5U CN204755562U (en) | 2015-07-11 | 2015-07-11 | Bent axle of air compressor machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520501183.5U CN204755562U (en) | 2015-07-11 | 2015-07-11 | Bent axle of air compressor machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204755562U true CN204755562U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520501183.5U Active CN204755562U (en) | 2015-07-11 | 2015-07-11 | Bent axle of air compressor machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN204755562U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087415A (en) * | 2018-01-31 | 2018-05-29 | 十堰东峻汽车系统技术有限公司 | A kind of split type bent axle used for air compressor |
-
2015
- 2015-07-11 CN CN201520501183.5U patent/CN204755562U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087415A (en) * | 2018-01-31 | 2018-05-29 | 十堰东峻汽车系统技术有限公司 | A kind of split type bent axle used for air compressor |
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| GR01 | Patent grant |