CN105156174A - Oil drainage device of oil sump - Google Patents
Oil drainage device of oil sump Download PDFInfo
- Publication number
- CN105156174A CN105156174A CN201510670238.XA CN201510670238A CN105156174A CN 105156174 A CN105156174 A CN 105156174A CN 201510670238 A CN201510670238 A CN 201510670238A CN 105156174 A CN105156174 A CN 105156174A
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- CN
- China
- Prior art keywords
- plug screw
- oil
- oil sump
- screw seat
- jettison gear
- 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.)
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- General Details Of Gearings (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil drainage device of an oil sump. The oil sump comprises a bottom plate. An installing hole is formed in the bottom plate. The oil drainage device comprises a screw plug seat and a screw plug. A threaded hole is formed in the screw plug seat and penetrates through the top face and the bottom face of the screw plug seat. The screw plug seat is installed above the bottom plate. At least one oil drainage hole is formed in the peripheral face of the screw plug seat and communicated with the threaded hole. The screw plug comprises a base part and a threaded part. The screw plug penetrates through the installing hole from the portion below the bottom plate to be screwed to the screw plug seat. According to the oil drainage device of the oil sump, due to the fact that the screw plug seat is welded to the interior of the bottom plate of the oil sump, the occupied space of the bottom of an engine is not excessive.
Description
Technical field
The present invention relates to the component of motor, particularly a kind of jettison gear of oil sump.
Background technique
Motor is a kind of conventional power machine, has been widely used in the fields such as communications and transportation, industry, agricultural.Wherein oil sump is positioned at motor bottom, using crankcase seals as oil storage tank, collect and store the lubricant oil that flowed back to by each friction surface of diesel engine, the bottom of oil sump is provided with jettison gear, when motor will more oil change time by jettison gear, in-engine lubricant oil is released.
For traditional oil sump jettison gear, its plug screw seat is the outer surface be directly welded on bottom oil sump, and projection carrys out a large pimple, not only unsightly but also occupy the space of engine bottom.In order to allow the sealing that plug screw seat can be intact, traditional scheme uses complete cycle welding procedure between plug screw seat and the drain oil of oil sump bottom surface, technique i.e. complexity but also unreliable, easily produces weld defects.Traditional arrangement causes draining the oil clean not sometimes, and effect of draining the oil is poor.
Specifically, there is following shortcoming in traditional oil sump jettison gear: 1, its plug screw seat is the outer surface be directly welded on bottom oil sump, and a protruding large pimple, have impact on outward appearance; Occupy the space of engine bottom simultaneously, do not meet compactedness arrange principle, to motor supporting bring unfavorable.2, traditional scheme due to its plug screw seat be arranged in oil sump then outer, in order to ensure its good sealability, complete cycle welding is carried out in the place often contacted with oil sump bottom surface at plug screw seat, and the region of welding is more, welding procedure relative complex, welding cost is higher.3, the welding of large regions, the high temperature of local can make oil sump welding part produce welding pressure, easily cracks, causes leak fault, reduce the reliability of motor.4, it is inner a little that traditional oil drain plug of oil pan seat will stretch into oil sump usually, plays positioning action, but this structure that oil sump can be caused to drain the oil is clean not.
The information being disclosed in this background technique part is only intended to increase the understanding to general background of the present invention, and should not be regarded as admitting or imply in any form that this information structure has been prior art that persons skilled in the art are known.
Summary of the invention
The object of the present invention is to provide a kind of jettison gear of oil sump, wherein plug screw seat is arranged on oil sump inside, decreases the volume of motor, thus overcomes the shortcoming of prior art.
Another object of the present invention is to the jettison gear providing a kind of oil sump, the unnecessary lubricant oil of motor can not only be released by it, can remove iron filings simultaneously.
For achieving the above object, the invention provides a kind of jettison gear of oil sump, described oil sump comprises base plate, described base plate is provided with mounting hole, and this jettison gear comprises: plug screw seat, and its inside has tapped hole, the end face of this tapped hole this plug screw seat through and bottom surface, described plug screw seat is arranged on the top of described base plate, and the outer circumferential face of this plug screw seat has at least one drain oil, and this drain oil is communicated with described tapped hole; And plug screw, described plug screw comprises base portion and screw section, and described plug screw is screwed to described plug screw seat from the below of described base plate through described mounting hole.
Preferably, in technique scheme, the bottom of described plug screw seat is provided with positioning step, and it is for being inserted in described mounting hole, and the size of this positioning step described makes the fit system of described plug screw seat and described mounting hole be drive fit.
Preferably, in technique scheme, described jettison gear also comprises seal washer, and described plug screw passes sealing packing ring and is screwed on described plug screw seat.
Preferably, in technique scheme, the connection between described plug screw seat and described base plate is that spot welding is fixed, and the quantity of solder joint is at least two.
Preferably, in technique scheme, the screw section of described plug screw is hollow, and its inside has magnet mounting hole and be arranged on the magnet in this magnet mounting hole.
Preferably, in technique scheme, the end face of described drain oil is lower than the end face of described plug screw seat.
Compared with prior art, the present invention has following beneficial effect: the jettison gear according to the oil sump of motor of the present invention: 1, plug screw seat is the inside being welded on oil sump base plate, can not take the space that engine bottom is too much.2, plug screw seat be that spot welding is connected between oil sump, the region of welding is little, thus greatly reduces weld defects, improves the operational safety of motor.3, simplify welding procedure, reduce welding cost.4, plug screw seat bottom design has the drain oil be communicated with plug screw seat endoporus, can guarantee that oil sump is drained the oil totally.5. can remove iron filings simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the jettison gear of oil sump according to the specific embodiment of the invention.
Fig. 2 is the sectional view of the jettison gear of oil sump according to the specific embodiment of the invention.
Fig. 3 is the three-dimensional exploded view of the jettison gear of oil sump according to the specific embodiment of the invention.
Fig. 4 A is the plan view of the plug screw seat according to the specific embodiment of the invention.
Fig. 4 B is the A-A sectional view of Fig. 4 A.
Fig. 5 A is the schematic diagram of the plug screw according to the specific embodiment of the invention.
Fig. 5 B is the B-B sectional view of Fig. 5 A, does not wherein show magnet.
Main Reference Numerals illustrates:
1-plug screw seat, 2-base plate, 3-seal washer, 4-plug screw, 5-magnet, 11-drain oil.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail, but is to be understood that protection scope of the present invention not by the restriction of embodiment.
Clearly represent unless otherwise other, otherwise in whole specification and claims, term " comprise " or its conversion as " comprising " or " including " etc. by be understood to include the element of stating or constituent element, and do not get rid of other element or other constituent element.
As shown in Fig. 1 to Fig. 5 B, mainly comprise plug screw seat 1, seal washer 3, plug screw 4, magnet 5 etc. according to the oil sump jettison gear of the specific embodiment of the invention.
Wherein, plug screw seat 1 is overall cylindrical, inside is the tapped hole 13 run through up and down, positioning step 12 is arranged at bottom, lower circumference there is one or more drain oil 11, drain oil 11 is communicated with tapped hole 13 and its outer cylinder of plug screw seat 1, and drain oil 11 shape is " U " shape or square (see Fig. 3).And the end face of this drain oil 11 is far below the end face of plug screw seat 1.
Wherein, the base plate 2 of oil sump there is the mounting hole 21 of circular plug screw seat.
In a preferred embodiment of the invention, plug screw seat 1 is arranged on the upside (namely oil sump is inner) of the base plate 2 of oil sump, positioning step 12 bottom plug screw seat 1 stretches in the mounting hole 21 of the base plate 2 of oil sump, adopt spot-welding technology to fix between plug screw seat 1 and base plate 2, number of welds is at least two.
Below the mounting hole 21 of oil sump base plate 2, a circular seal washer 3 is installed.
Plug screw 4 through the endoporus of seal washer 3, is screwed on the tapped hole 13 of plug screw seat 1, tightens rear press seal packing ring 3, prevent oil seepage from the bottom up.
Preferably, the head of plug screw 4 is processed with magnet mounting hole 41, for loading columned magnet 5, is Spielpassung between magnet 5 and magnet mounting hole 41.Under the effect of magnetic force, magnet 5 is fixed in magnet mounting hole 41.When motor normally runs, plug screw 4 is tightened on the tapped hole 13 of plug screw seat 1, magnet 5 on plug screw 4 can make magnetic in whole plug screw seat 1 peripheral band, by the iron adsorption that may exist in oil sump to plug screw seat 1 periphery, when draining the oil, these iron filings can in company with outside lubricant oil together effluent oil drain pan.
When motor will more oil change time, when the lubricant oil in oil sump will be bled off, as long as plug screw 4 is backed out, lubricant oil will flow out from the tapped hole 13 of plug screw seat 1 and the drain oil 11 of plug screw seat 1 bottom periphery simultaneously, when lubricant oil liquid level is lower than plug screw seat 1 end face, remaining lubricant oil can also continue to flow out from the drain oil 11 of the bottom periphery of plug screw seat 1, till the lubricant oil in oil sump is discharged, drains the oil effective.
In sum, according to the jettison gear of the oil sump of motor of the present invention, plug screw seat is the inside being welded on oil sump base plate, can not take the space that engine bottom is too much.In addition, plug screw seat be that spot welding is connected between oil sump, the region of welding is little, thus greatly reduces weld defects, improves the operational safety of motor.And plug screw seat bottom design has the drain oil be communicated with plug screw seat endoporus, can guarantee that oil sump is drained the oil totally.Finally, jettison gear of the present invention can be removed iron filings simultaneously.
The aforementioned description to concrete exemplary of the present invention is to illustrate and the object of illustration.These descriptions not want the present invention to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.The object selected exemplary embodiment and describe is to explain certain principles of the present invention and practical application thereof, thus those skilled in the art can be realized and utilize various different exemplary of the present invention and various different selection and change.Scope of the present invention is intended to limited by claims and equivalents thereof.
Claims (6)
1. a jettison gear for oil sump, described oil sump comprises base plate, and described base plate is provided with mounting hole, it is characterized in that, this jettison gear comprises:
Plug screw seat, its inside has tapped hole, the end face of this tapped hole this plug screw seat through and bottom surface, and described plug screw seat is arranged on the top of described base plate, and the outer circumferential face of this plug screw seat has at least one drain oil, and this drain oil is communicated with described tapped hole; And
Plug screw, described plug screw comprises base portion and screw section, and described plug screw is screwed to described plug screw seat from the below of described base plate through described mounting hole.
2. the jettison gear of oil sump according to claim 1, it is characterized in that, the bottom of described plug screw seat is provided with positioning step, and it is for being inserted in described mounting hole, and the size of this positioning step described makes the fit system of described plug screw seat and described mounting hole be drive fit.
3. the jettison gear of oil sump according to claim 1, is characterized in that, described jettison gear also comprises seal washer, and described plug screw passes sealing packing ring and is screwed on described plug screw seat.
4. the jettison gear of oil sump according to claim 1, is characterized in that, the connection between described plug screw seat and described base plate is that spot welding is fixed, and the quantity of solder joint is at least two.
5. the jettison gear of oil sump according to claim 1, is characterized in that, the screw section of described plug screw is hollow, and its inside has magnet mounting hole and be arranged on the magnet in this magnet mounting hole.
6. the jettison gear of oil sump according to claim 1, is characterized in that, the end face of described drain oil is lower than the end face of described plug screw seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670238.XA CN105156174B (en) | 2015-10-15 | 2015-10-15 | The jettison gear of oil sump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510670238.XA CN105156174B (en) | 2015-10-15 | 2015-10-15 | The jettison gear of oil sump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105156174A true CN105156174A (en) | 2015-12-16 |
| CN105156174B CN105156174B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510670238.XA Active CN105156174B (en) | 2015-10-15 | 2015-10-15 | The jettison gear of oil sump |
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| Country | Link |
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| CN (1) | CN105156174B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545409A (en) * | 2016-02-19 | 2016-05-04 | 广西玉柴机器股份有限公司 | Oil discharge tool of engine sump |
| CN113531376A (en) * | 2021-07-08 | 2021-10-22 | 中国航发湖南动力机械研究所 | Engine lubricating oil discharging device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440731A (en) * | 2008-12-08 | 2009-05-27 | 奇瑞汽车股份有限公司 | Stamping type engine oil sump |
| CN201588670U (en) * | 2009-12-31 | 2010-09-22 | 泉州市双塔汽车零件有限公司 | Oil pan |
| CN202266313U (en) * | 2011-09-30 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | Oil drainage device for oil span |
| CN203925662U (en) * | 2014-02-27 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of oil discharge screw |
| CN205025529U (en) * | 2015-10-15 | 2016-02-10 | 广西玉柴机器股份有限公司 | Oil drainage device for oil span |
-
2015
- 2015-10-15 CN CN201510670238.XA patent/CN105156174B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101440731A (en) * | 2008-12-08 | 2009-05-27 | 奇瑞汽车股份有限公司 | Stamping type engine oil sump |
| CN201588670U (en) * | 2009-12-31 | 2010-09-22 | 泉州市双塔汽车零件有限公司 | Oil pan |
| CN202266313U (en) * | 2011-09-30 | 2012-06-06 | 上汽通用五菱汽车股份有限公司 | Oil drainage device for oil span |
| CN203925662U (en) * | 2014-02-27 | 2014-11-05 | 奇瑞汽车股份有限公司 | A kind of oil discharge screw |
| CN205025529U (en) * | 2015-10-15 | 2016-02-10 | 广西玉柴机器股份有限公司 | Oil drainage device for oil span |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545409A (en) * | 2016-02-19 | 2016-05-04 | 广西玉柴机器股份有限公司 | Oil discharge tool of engine sump |
| CN113531376A (en) * | 2021-07-08 | 2021-10-22 | 中国航发湖南动力机械研究所 | Engine lubricating oil discharging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105156174B (en) | 2017-11-21 |
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