CN101451458B - Blockage of sealing oil sump duct and blockage method thereof - Google Patents
Blockage of sealing oil sump duct and blockage method thereof Download PDFInfo
- Publication number
- CN101451458B CN101451458B CN2008102447353A CN200810244735A CN101451458B CN 101451458 B CN101451458 B CN 101451458B CN 2008102447353 A CN2008102447353 A CN 2008102447353A CN 200810244735 A CN200810244735 A CN 200810244735A CN 101451458 B CN101451458 B CN 101451458B
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- CN
- China
- Prior art keywords
- hole
- rivet
- oil sump
- cap body
- core
- 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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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007789 sealing Methods 0.000 title claims description 23
- 238000007373 indentation Methods 0.000 claims description 7
- 230000001603 reducing effect Effects 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims 1
- 239000003921 oil Substances 0.000 description 42
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
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Abstract
The present invention relates to a seal oil bottom case oil passage jam, wherein the jam is a self-plugging rivet composed by clinch bolt core and hat. A through hole is provided on the central position of the hat for rod of the clinch bolt core passes through and the trend of the through hole consistent with rod body direction. A fracture part is set along circumferential direction on the rod inside the through hole; radial dimension of the head of the clinch bolt core bigger than diameter of aperture of the through hole and smaller than radial dimension of the hat. The present invention also discloses a bottom case oil passage jam method. A clinch bolt is stricken into the oil passage hole and then outer pulled to make interference fit between the transformed clinch bolt and the oil passage hole thereby be sealed.
Description
Technical field
The present invention relates to automotive field, especially a kind of obstruction of sealing oil sump duct and stemming method thereof.
Background technique
At present; The oil duct of vehicular engine oil sump generally adopts screw thread to stop up the mode of encrypting sealing and seals; This sealing means requires the threaded bottom outlet of oil sump duct, causes oil sump processing more complicated, and the screw-down torque control ratio that screw thread stops up is strict; Sealing effect neither be fine, leakage of oil, oil impregnate phenomenon often occur.
Summary of the invention
Primary and foremost purpose of the present invention is to provide a kind of obstruction that can eliminate oil sump duct oil leakage phenomenon, sealing oil sump duct that sealing is strong.
For realizing above-mentioned purpose; The obstruction of a kind of sealing oil sump duct provided by the invention, this stops up the self-plugging rivet of forming for by rivet core and cap body, and the center position of cap body is offered the through hole that the body of rod that can supply the rivet core passes; The trend of through hole is consistent with the bar length direction of the body of rod; The body of rod upper edge that is in the through hole circumferentially is provided with fracture portion, and the radial dimension of the head of rivet core is greater than the aperture of through hole, and less than the radial dimension of cap body.
Another object of the present invention is to provide a kind of stemming method of sealing oil sump duct, this method comprises the step of following order:
(1) rivet is squeezed in the oil channel hole of oil sump with instrument;
(2) outer pulling rivet makes rivet in the oil channel hole internal strain, and the rivet after the distortion and the hole wall of oil channel hole fit tightly.
The present invention squeezes into rivet in the oil channel hole, and outer pulling rivet, makes rivet and oil channel hole after the distortion produce interference fit, thereby reaches the purpose of sealing.
Description of drawings
Fig. 1 is the structural representation of rivet among the present invention;
Fig. 2 is the view when squeezing into rivet;
View when Fig. 3 is rivet extrusion-deformation.
Embodiment
A kind of obstruction of sealing oil sump duct, this obstruction are a self-plugging rivet 10, and self-plugging rivet 10 is made up of two-part; A part is the carbon steel rivet core 12 that hardens, and another partly is dead annealed aluminium caps body 11, the radial dimension of cap body 11 less than and near the size of oil channel hole 21; The tolerance of size of oil channel hole 21 is 0～1.5mm, and the center position of cap body 11 is offered the through hole 111 that the body of rod 122 that can supply rivet core 12 passes, and the trend of through hole 111 is consistent with the bar length direction of the body of rod 122; Be in the body of rod 122 descending reducings in the through hole 111; Reducing should be accomplished at short length range, guarantee to realize reliably fracture, and the parts entire length is suitable.The reducing place is along fracture portion 123 circumferentially is set; Groove that can supply rupture or indentation; Fracture portion 123 is set, and mainly is will guarantee self-plugging rivet 10 in the process of loosing core, and the body of rod 122 that is positioned at fracture portion 123 both sides on the rivet core 12 can hard to bearly draw the back to be out of shape, to rupture and separate.The radial dimension of the head 121 of rivet core 12 is greater than the aperture of through hole 111, and less than the radial dimension of cap body 11, as shown in Figure 1.Core extraction pneumatic riveter is squeezed into self-plugging rivet 10 in the oil channel hole 21 along an end at its cap body 11 places, and 21 need of oil channel hole in the present invention are processed as unthreaded hole and get final product, and have simplified the procedure of oil sump.Adopt self-plugging rivet 10 to be because the anti-extrusion better performances of its rivet core 12 can avoid the high pressure oil of sealing in the oil duct 20 that rivet is extruded, have the better seal effect, as shown in Figure 2.
Be further described below in conjunction with Fig. 1,2,3 pairs of stemming methods of the present invention.
At first, rivet is squeezed in the oil channel hole 21 of oil sump duct 20 with instrument, described instrument is a core extraction pneumatic riveter, and described rivet is a self-plugging rivet 10; Then, with riveting gun rivet core 12 is drawn outside oil channel hole 21, the pulling force that utilizes riveting gun to produce makes rivet core 12 squeeze cap presser 11; Make cap body 11 in oil channel hole 21 internal strains, the cap body 11 after the distortion and the hole wall 22 of oil duct 20 are combined closely, after pulling force acquires a certain degree; Rivet core 12 is outside its groove breaks at oil channel hole 21; Rest parts rivet core 12 is stayed in the oil channel hole 21, seals with cap body 11 common realizations, and fracture 124 flushes with the edge of oil channel hole 21.Because the magnitude of interference that riveting gun produces when squeezing into rivet is bigger to the pressure of oil channel hole 21, the wall thickness of the hole wall 22 of oil duct 20 increases along with the increase of rivet size.
In a word, core of the present invention is to adopt rivet to seal oil duct 20, and the mode that makes cap body 11 produce distortion through 12 extruding of rivet core seals.Adopt this sealing means, the oil duct bottom outlet fillibility of oil sump is fine, and rivet core 12 anti-extrusion performances are also fine, and leak resistance is remarkable, has eliminated the oil duct oil leakage phenomenon.Simultaneously, lower to the processing request in oil sump duct hole 21, the bottom outlet tolerance range is than broad, and roughness requires also lower.In addition, adopt this sealing means that special-purpose setting tool is arranged, install more convenient.
Claims (8)
1. the obstruction of a sealing oil sump duct; It is characterized in that: the self-plugging rivet of this obstruction for forming by rivet core and cap body; The center position of cap body is offered the through hole that the body of rod that can supply the rivet core passes, and the trend of through hole is consistent with the bar length direction of the body of rod, and the body of rod upper edge that is in the through hole circumferentially is provided with fracture portion; The radial dimension of the head of rivet core is greater than the aperture of through hole, and less than the radial dimension of cap body.
2. the obstruction of sealing oil sump duct according to claim 1 is characterized in that: the described descending reducing of the body of rod that is in the through hole, and reducing the place groove or the indentation that can supply rupture along circumferential setting.
3. the obstruction of sealing oil sump duct according to claim 1 is characterized in that: the radial dimension of described cap body less than and near the aperture of oil channel hole.
4. the obstruction of sealing oil sump duct according to claim 1 is characterized in that: described rivet core is a Steel Work, and the cap body is an Al-alloy parts.
5. application rights requires the stemming method of 1 described obstruction to oil sump duct enforcement sealing, and this method comprises the step of following order:
(1) rivet is squeezed in the oil channel hole of oil sump with instrument;
(2) outer pulling rivet makes rivet in the oil channel hole internal strain, and the rivet after the distortion and the hole wall of oil channel hole fit tightly.
6. the stemming method of sealing oil sump duct according to claim 5; It is characterized in that: the self-plugging rivet of described rivet for forming by cap body and rivet core; The size of cap body less than and near the size of oil channel hole, the center position of cap body is offered through hole, the body of rod of rivet core passes this through hole and the body of rod upper edge that is in the through hole circumferentially is provided with groove or indentation; The radial dimension of the head of rivet core is greater than the aperture of through hole, and less than the radial dimension of cap body.
7. the stemming method of sealing oil sump duct according to claim 5, it is characterized in that: described oil channel hole is processed as unthreaded hole.
8. the stemming method of sealing oil sump duct according to claim 5; It is characterized in that: outer pulling rivet core; Head through the rivet core squeezes cap presser, and the cap body is ruptured at the groove or the indentation of oil channel hole internal strain until the rivet core fully, and fracture flushes with the edge of oil channel hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102447353A CN101451458B (en) | 2008-11-30 | 2008-11-30 | Blockage of sealing oil sump duct and blockage method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102447353A CN101451458B (en) | 2008-11-30 | 2008-11-30 | Blockage of sealing oil sump duct and blockage method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101451458A CN101451458A (en) | 2009-06-10 |
| CN101451458B true CN101451458B (en) | 2012-08-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102447353A Active CN101451458B (en) | 2008-11-30 | 2008-11-30 | Blockage of sealing oil sump duct and blockage method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101451458B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261469B (en) * | 2011-05-13 | 2016-06-08 | 杭州新坐标科技股份有限公司 | A kind of blocking for sealing gap |
| CN102720558B (en) * | 2012-06-30 | 2014-09-03 | 长城汽车股份有限公司 | Oil blockage cover on oil pan, and oil pan |
| CN109268102B (en) * | 2018-10-30 | 2023-12-19 | 东风商用车有限公司 | Stretching clamping type engine oil drain blocking system of engine oil pan and use method thereof |
| CN109759536A (en) * | 2019-03-14 | 2019-05-17 | 广东鸿图南通压铸有限公司 | A kind of automatic rivet pulling device and method of speed change box clutch housing seal plug |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157987Y (en) * | 1991-11-05 | 1994-03-02 | 黄苏军 | Self-sealing oil drain pan |
| CN2333868Y (en) * | 1998-06-03 | 1999-08-18 | 徐丹青 | Rapid oil seal |
| CN1245548A (en) * | 1996-11-28 | 2000-02-23 | 恩哈特有限公司 | Blind rivet and method of making same |
| CN201092871Y (en) * | 2007-08-15 | 2008-07-30 | 黄昭智 | Oil sump screw construction improvement |
-
2008
- 2008-11-30 CN CN2008102447353A patent/CN101451458B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2157987Y (en) * | 1991-11-05 | 1994-03-02 | 黄苏军 | Self-sealing oil drain pan |
| CN1245548A (en) * | 1996-11-28 | 2000-02-23 | 恩哈特有限公司 | Blind rivet and method of making same |
| CN2333868Y (en) * | 1998-06-03 | 1999-08-18 | 徐丹青 | Rapid oil seal |
| CN201092871Y (en) * | 2007-08-15 | 2008-07-30 | 黄昭智 | Oil sump screw construction improvement |
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| Publication number | Publication date |
|---|---|
| CN101451458A (en) | 2009-06-10 |
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