CN201902243U - Crankshaft lubricating structure for vertical-axis engine - Google Patents
Crankshaft lubricating structure for vertical-axis engine Download PDFInfo
- Publication number
- CN201902243U CN201902243U CN2010206787183U CN201020678718U CN201902243U CN 201902243 U CN201902243 U CN 201902243U CN 2010206787183 U CN2010206787183 U CN 2010206787183U CN 201020678718 U CN201020678718 U CN 201020678718U CN 201902243 U CN201902243 U CN 201902243U
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- supporting base
- oil
- crankcase
- oil sealing
- bent axle
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Abstract
A crankshaft lubricating structure for a vertical-axis engine comprises a crankcase, a crankshaft supporting seat integrated with the crankcase, a breathing slot, a crankshaft and an oil seal, wherein a crankshaft supporting seat end face is processed on the inner surface of the crankcase; the oil seal is arranged on the other side of the supporting seat end face; the crankshaft is in clearance fit with the supporting seat; a supporting seat-oil seal space is formed between the supporting seat and the oil seal; at least two notches are formed on the supporting seat end face; at least one penetrating grooved oil passage is arranged on the inner wall of the supporting seat in the axial direction; on the inner side of the crankcase, the rabbet of the oil passage corresponds to the notches on the supporting seat end face, and on the outer side of the crankcase, the rabbet of the oil passage is communicated with the supporting seat-oil seal space; and the breathing slot is communicated with the supporting seat-oil seal space. The crankshaft lubricating structure can reasonably solve the problem of crankshaft lubrication of a general engine without a bearing.
Description
Technical field
The utility model belongs to engine art, particularly a kind of vertically shafted engine bent axle lubricated.
Background technique
Existing general purpose engine power output has two kinds of forms, and a kind of is the horizontal output form, and another kind is the vertical output form.The lubricated form of general vertically shafted engine bent axle has two kinds, a kind of mainly is the passage that pumps into lubrication system by oil pump, by oil duct lubricant oil being drained into each the parts place that need lubricate is lubricated, another kind mainly is that the splash lubrication mode is lubricated, splash lubrication mode cost is low, a large amount of uses is on float amount power, but its lubricated being limited in scope; Simultaneously, for reducing cost, cancelled bearing between the bent axle of part vertically shafted engine and the crankcase body, taked Spielpassung, installed because bent axle is a Vertical direction, upper-end surface in engine crankcase is far away apart from the lubricant oil liquid level, if do not have under the smaller situation of special oil leab, particularly matching gap, will can not get good lubricating between bent axle and the crankshaft support seat, thereby wearing and tearing or localized hyperthermia take place, cause locking phenomenon.
Summary of the invention
The purpose of this utility model is that the crankshaft lubrication problem of the general purpose engine that holds for tape spool not provides good solution.
The purpose of this utility model is achieved in that a kind of lubricating structure of vertically shafted engine bent axle, comprise crankcase, crankshaft support seat with the crankcase one, respiratory slot, bent axle, oil sealing, supporting base is processed with the supporting base end face at the internal surface of crankcase, opposite side at the supporting base end face is provided with oil sealing, bent axle and supporting base Spielpassung, form supporting base-oil sealing space between supporting base and oil sealing, it is characterized in that: be provided with two breach on the described supporting base end face at least, described supporting base inwall axially is provided with at least one groove shaped oil duct that runs through, the notch of described oil duct is inboard corresponding with the breach on the described supporting base end face at crankcase, be connected described respiratory slot and described supporting base-oil sealing spatial communication with described supporting base-oil sealing space in the crankcase outside.By such scheme, lubricant oil can axially enter between bent axle and the supporting base meld line in the crankcase body inboard by at least two breach on the supporting base end face; Simultaneously, thus lubricant oil also can and then flow through at least one groove shaped oil duct that runs through to be formed good lubricated between supporting base inwall and bent axle; Behind the flow of lubricant oil road, enter supporting base-oil sealing space the meld line in the crankcase body outside between bent axle and the supporting base is lubricated.Because supporting base-oil sealing space communicates with respiratory slot, so along with the periodic exhaust of respiratory slot with close exhaust, lubricant oil droplet in the crankcase body also respective cycle ground by or be stranded in breach, oil duct, supporting base-oil sealing space, in whole process, thus always have the parts of lubricating oil droplet can breach, oil duct, supporting base-place, oil sealing space stop and attached to supporting base inwall and bent axle on bent axle is realized good lubricated.
Further, on the lubricating structure basis of the vertically shafted engine bent axle of such scheme, described supporting base inwall also axially is provided with the groove shaped oil storage hole that at least one does not run through from oil sealing one side direction opposite side, and its notch is connected with described supporting base-oil sealing space.If aforementioned schemes is only arranged, quit work quiescence time when longer at vertically shafted engine, at the lubricant oil of supporting base-oil sealing space, oil duct, indentation, there because the reason of gravity can flow back to crankcase body downwards.When starting, bent axle is not because have good lubricated and cause the wearing and tearing between bent axle and the supporting base to increase the weight of even can not start next time.And after by improvement project oil storage hole being set; leave standstill the long period even shut down; the lubricant oil in supporting base-oil sealing space is because action of gravity can flow into oil storage hole all the time; all preserve lubricant oil in the oil storage hole; when start next time; lubricating between supporting base and bent axle when stored lubricant oil enough satisfies startup, the unlikely improper wearing and tearing that cause when starting.
On the basis of the lubricating structure of above-mentioned vertically shafted engine bent axle, further improve, one of described oil duct also is provided with at the notch place near oil sealing one end and the inboard oil-through hole that is communicated with of crankcase.By oil-through hole, can strengthen the amount of the lubricant oil droplet that enters supporting base-oil sealing space, the proper lubrication when starting next time thereby assurance has enough lubricant oil backflow oil ducts to be lubricated or to flow into the oil storage hole storage.
Description of drawings
Fig. 1 is the utility model structural representation (plan view during installment state takes off oil sealing);
Fig. 2 is the rear view (worm's eye view during installment state) of Fig. 1;
Fig. 3 is an III partial enlarged drawing among Fig. 1;
Fig. 4 for A-A among Fig. 1 to analysing and observe partial enlarged drawing;
Fig. 5 for B-B among Fig. 1 to analysing and observe partial enlarged drawing.
Among the figure, 1 is bent axle, and 2 is supporting base, and 21,22 is oil duct, and 23 is oil storage hole, and 3 is oil sealing, and 4 is the supporting base end face, and 41,42,43 is breach, and 6 is respiratory slot, and 8 is bent axle-oil sealing space, and 9 is oil-through hole.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
As Fig. 1-shown in Figure 5, supporting base 2 is processed with supporting base end face 4 at the internal surface of crankcase, opposite side at supporting base end face 4 is provided with oil sealing 3, bent axle 1 and supporting base 2 Spielpassung, 3 on supporting base 2 and oil sealing form supporting base-oil sealing space 8, its specialization is: be provided with two breach on supporting base end face 4 at least, axially be provided with the groove shaped oil duct that at least one runs through at supporting base 2 inwalls, the notch of oil duct is inboard corresponding with the breach on the supporting base end face 4 at crankcase, be connected with supporting base-oil sealing space 8 in the crankcase outside, respiratory slot 6 is communicated with supporting base-oil sealing space 8.As preferred version, in the present embodiment, supporting base end face 4 is provided with 41,42,43 totally three breach, axially is provided with 21,22 totally two groove shaped oil ducts that run through at supporting base 2 inwalls, and the cross section of its groove is R circular arc (its cross section also can be set to rectangle or other shapes certainly).In this programme, the lubricant oil in the crankcase body can flow through breach 41,42,43, oil duct 21,22, supporting base-oil sealing space 8 are realized the effectively lubricating to bent axle, and the back is entered the action of respiratory slot participation respiratory slot by W place.
Further improve, as Fig. 1, Fig. 3, shown in Figure 5, also axially be provided with the groove shaped oil storage hole that at least one does not run through at supporting base 2 inwalls from oil sealing one side direction opposite side, its notch is connected with supporting base-oil sealing space 8.In the present embodiment, be provided with 23 1 oil storage holes, when engine operation, the lubricant oil in supporting base-oil sealing space flows under the influence of gravity into oil storage hole 23 storages and participates in lubricated.When starting, be stored in the effectively lubricating that lubricant oil in the oil storage hole 23 can satisfy bent axle when starting next time.
Further improve, as Fig. 1, Fig. 3, shown in Figure 5, the notch place near oil sealing 3 one ends also is provided with and the inboard oil-through hole 9 that is communicated with of crankcase at oil duct 21.Lubricant oil in the crankcase body is except that entering supporting base-oil sealing space 8 through breach 41,42,43, oil duct 21,22, also can enter, thereby thereby guarantee have enough lubricant oil guarantee the effectively lubricating of bent axle in supporting base-oil sealing space 8 and lubricated when restarting from oil-through hole 9.
Claims (3)
1. the lubricating structure of a vertically shafted engine bent axle, comprise crankcase, crankshaft support seat with the crankcase one, respiratory slot, bent axle, oil sealing, supporting base is processed with the supporting base end face at the internal surface of crankcase, opposite side at the supporting base end face is provided with oil sealing, bent axle and supporting base Spielpassung, form supporting base-oil sealing space between supporting base and oil sealing, it is characterized in that: be provided with two breach on the described supporting base end face at least, described supporting base inwall axially is provided with at least one groove shaped oil duct that runs through, the notch of described oil duct is inboard corresponding with the breach on the described supporting base end face at crankcase, be connected described respiratory slot and described supporting base-oil sealing spatial communication with described supporting base-oil sealing space in the crankcase outside.
2. the lubricating structure of vertically shafted engine bent axle according to claim 1, it is characterized in that: described supporting base inwall also axially is provided with the groove shaped oil storage hole that at least one does not run through from oil sealing one side direction opposite side, and its notch is connected with described supporting base-oil sealing space.
3. the lubricating structure of vertically shafted engine bent axle according to claim 1 and 2 is characterized in that: one of described oil duct also is provided with at the notch place near oil sealing one end and the inboard oil-through hole that is communicated with of crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206787183U CN201902243U (en) | 2010-12-24 | 2010-12-24 | Crankshaft lubricating structure for vertical-axis engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206787183U CN201902243U (en) | 2010-12-24 | 2010-12-24 | Crankshaft lubricating structure for vertical-axis engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201902243U true CN201902243U (en) | 2011-07-20 |
Family
ID=44272843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206787183U Expired - Fee Related CN201902243U (en) | 2010-12-24 | 2010-12-24 | Crankshaft lubricating structure for vertical-axis engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201902243U (en) |
-
2010
- 2010-12-24 CN CN2010206787183U patent/CN201902243U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHONGQING RATO POWER MANUFACTURING CO., LTD. Free format text: FORMER OWNER: CHONGQING RUNTONG DONGLI CO., LTD. Effective date: 20131115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 402247 JIULONGPO, CHONGQING TO: 402247 JIANGJIN, CHONGQING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131115 Address after: 402247 B District, industrial park, Jiangjin District, Chongqing Patentee after: Chongqing RATO Power Co., Ltd. Address before: 402247 Chongqing Jiulongpo District Jiangjin Shuangfu Industrial Park B District Patentee before: Chongqing Runtong Dongli Co., Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Crankshaft lubricating structure for vertical-axis engine Effective date of registration: 20140128 Granted publication date: 20110720 Pledgee: China Co truction Bank Corp Jiangjin branch Pledgor: Chongqing RATO Power Co., Ltd. Registration number: 2014500000003 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151207 Address after: 402260 B District, industrial park, Jiangjin District, Chongqing Patentee after: CHONGQING RUNTONG TECHNOLOGY CO., LTD. Address before: 402247 B District, industrial park, Jiangjin District, Chongqing Patentee before: Chongqing RATO Power Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20191224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |