CN207315471U - Oil sump attachment device - Google Patents
Oil sump attachment device Download PDFInfo
- Publication number
- CN207315471U CN207315471U CN201721449144.0U CN201721449144U CN207315471U CN 207315471 U CN207315471 U CN 207315471U CN 201721449144 U CN201721449144 U CN 201721449144U CN 207315471 U CN207315471 U CN 207315471U
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- CN
- China
- Prior art keywords
- oil sump
- cylinder block
- attachment device
- hole
- locating shaft
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- 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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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of oil sump attachment device, it is used for oil sump connection installed in the bottom surface of cylinder block, the connecting end surface of the flanging of oil sump is equipped with seal groove, the slot bottom of seal groove is equipped with through hole, the bottom surface of cylinder block is equipped with the threaded hole with through-hole alignment, and oil sump attachment device includes：Rubber pad, it is used for being arranged in seal groove, and rubber pad protrudes connecting end surface in its natural state；Connect bolt, to having locating shaft between nut, the junction of locating shaft and thread segment has a step for the thread segment of the connection bolt, the thickness of the length of locating shaft more than flanging；And cushion blocking, it is used for being sleeved on locating shaft；Wherein connect bolt to be used for being tightened in threaded hole through through hole, the end face of step is used for being connected to the bottom surface of cylinder block, has gap between connecting end surface and the bottom surface of cylinder block.The attachment device can effectively weaken the vibration that internal combustion engine passes to oil sump from cylinder block.
Description
Technical field
Oil sump field is the utility model is related to, more particularly to a kind of oil sump attachment device.
Background technology
Oil sump is mounted in the shell class part of IC engine cylinder block bottom surface, and effect is closed crankcase, and collects and store up
Deposit the lubricating oil for the secondary reflux that respectively rubbed by internal combustion engine.
Connection method between traditional oil sump and cylinder block is：Oil sump and its gasket are directly tightened into peace with bolt
Cylinder block bottom surface is attached to, is that metal directly contacts with each other between cylinder block and oil sump, the vibration of cylinder block can directly pass through
Bolt, gasket pass to oil sump, and the judder that cylinder block transmission is got off makes oil sump accordingly follow vibration, so as to cause oil
Bottom case surface produces stronger radiated noise, and oil sump has become the larger noise source of internal combustion engine.
The information for being disclosed in the background section is merely intended to understanding of the increase to the general background of the utility model, and
It is not construed as recognizing or implies that the information structure has been existing well known to persons skilled in the art in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of oil sump attachment device, can effectively weaken internal combustion engine from cylinder block
The vibration of oil sump is passed to, reduces the radiated noise on oil sump surface, so as to reduce the noise of internal combustion engine complete machine, is reduced
The noise pollution of internal combustion engine.
To achieve the above object, the utility model provides a kind of oil sump attachment device, it is used for connecting oil sump
Installed in the bottom surface of cylinder block, the connecting end surface of the flanging of oil sump is equipped with seal groove, and the slot bottom of seal groove is equipped with through hole,
The bottom surface of cylinder block is equipped with the threaded hole with through-hole alignment, and oil sump attachment device includes：Rubber pad, it is used for being arranged on sealing
In groove, rubber pad protrudes connecting end surface in its natural state；Bolt is connected, the thread segment of the connection bolt has between nut
The junction of locating shaft, locating shaft and thread segment has step, and the length of locating shaft is more than the thickness of flanging；And vibration damping
Pad, it is used for being sleeved on locating shaft；Wherein connect bolt to be used for being tightened in threaded hole through through hole, the end face of step is used for supporting
The bottom surface of cylinder block is connected on, there is gap between connecting end surface and the bottom surface of cylinder block.
Preferably, the inner side of cushion blocking is equipped with the locating flange of annular, and locating flange is used for being pressed into through hole.
Preferably, flange face has been extended outward on the inside of nut, flange face is used for compressing cushion blocking.
Preferably, gap 0.5-3mm.
Preferably, the depth of seal groove is 2-10mm.
Compared with prior art, the utility model has the advantages that：By being used between oil sump and cylinder block
Elastic rubber material transition connects, and is connected without direct metal, can effectively weaken internal combustion engine from cylinder block transmission
To the vibration of oil sump, the radiated noise on oil sump surface is reduced, so as to reduce the noise of internal combustion engine complete machine, reduces internal combustion
The noise pollution of machine, simple in structure, design is reasonable, good using operative weldability.Further, since the decrease of oil sump vibration, also
The reliability and durability of oil sump can accordingly be improved.
Brief description of the drawings
Fig. 1 is the assembling schematic diagram of oil sump attachment device according to the present utility model.
Embodiment
Below in conjunction with the accompanying drawings, specific embodiment of the present utility model is described in detail, it is to be understood that this practicality
New protection domain and from the limitation of embodiment.
Explicitly indicated that unless otherwise other, otherwise in entire disclosure and claims, term " comprising " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or part, and do not exclude other members
Part or other parts.
As shown in Figure 1, according to a kind of oil sump attachment device of the utility model embodiment, it is used for oily bottom
The connection of shell 6 is equipped with seal groove 62 installed in the bottom surface of cylinder block 1, the connecting end surface of the flanging of oil sump 6, as a kind of excellent
Select embodiment, the depth of seal groove 62 is 2-10mm, and the slot bottom of seal groove 62 is equipped with through hole 61, the bottom surface of cylinder block 1 be equipped with
The threaded hole 11 that through hole 61 is aligned, oil sump attachment device include rubber pad 2, connection bolt 4 and cushion blocking 3, wherein rubber
Pad 2 is used for being arranged in seal groove 62, and rubber pad 2 protrudes connecting end surface in its natural state, connect the thread segment 42 of bolt 4 to
There is locating shaft 41, the junction of locating shaft 41 and thread segment 42 has a step, and the length of locating shaft 41 is more than outer between nut
The thickness of flange, cushion blocking 3 are used for being sleeved on locating shaft 41, and as a kind of preferred embodiment, the inner side of cushion blocking 3 is equipped with annular
Locating flange 31, locating flange 31 be used for be pressed into through hole 61.During installation, connection bolt 4 is used for being tightened in spiral shell through through hole 61
In pit 11, the end face of step is used for being connected to the bottom surface of cylinder block 1, between having between connecting end surface and the bottom surface of cylinder block 1
Gap 5, as a kind of preferred embodiment, gap 5 is 0.5-3mm.
As a kind of preferred embodiment, flange face is extended outward on the inside of nut, flange face is used for compressing cushion blocking
3。
In such scheme, the through hole 61 of the bottom surface of through hole 61 and cylinder block 1 on the connecting end surface of the flanging of oil sump 6
Have multiple.Rubber pad 2 and cushion blocking 3 are all manufactured using elastic rubber material, and rubber pad 2 is set with the shape with the seal groove on oil sump
Meter.Cushion blocking 3 is manufactured using elastic rubber material, and overall as cylindrical structural, cushion blocking 3 is designed with central through hole, connects spiral shell
The medium design of bolt 4 has one section of locating shaft 41, and between nut and thread segment 42, cushion blocking 3 is led to locating shaft 41 by center
Hole is sleeved on locating shaft.
The assembling of this oil sump attachment device is using operating method：1st, first rubber pad 2 is installed into close on oil sump 6
The inside of sealing groove 62, then oil sump 6 and its rubber pad 2 are covered on the bottom surface of cylinder block 1 together, ensure the spiral shell of 1 bottom surface of cylinder block
61 centering of peace through hole of threaded hole 11 and oil sump 6.2nd, 3 sets of threadings of cushion blocking are connected on the locating shaft 41 of bolt 4, then will be even
Connecting bolt 4 is screwed into the threaded hole in cylinder block through the installation through-hole on oil sump, at this time the locating flange on cushion blocking
31 also with being pressed into oil sump through hole.3rd, locking connection bolt 4, until the step surface and gas of the locating shaft on connection bolt
Untill the bottom surface of cylinder body 1 compresses, you can complete assembling.
Conditions dictate after assembling：1st, all in compressive state, compression ratio is 8~40% for rubber pad and cushion blocking, because
The compression surplus of rubber pad and cushion blocking is reserved during this design；2nd, cylinder block 1 is required directly to be connect with oil sump mounting surface
Touch, should there are the installation gap of 0.5~3mm.
To sum up, the oil sump attachment device of the present embodiment, by using elastic rubber material between oil sump and cylinder block
Transition connects, and is connected without direct metal, can effectively weaken internal combustion engine and pass to shaking for oil sump from cylinder block
It is dynamic, the radiated noise on oil sump surface is reduced, so as to reduce the noise of internal combustion engine complete machine, the noise for reducing internal combustion engine is dirty
Dye, simple in structure, design is reasonable, good using operative weldability.Further, since the decrease of oil sump vibration, can also accordingly carry
The high reliability and durability of oil sump.
The description of the foregoing specific exemplary embodiment to the utility model be in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be defined to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
Many change and variations.The purpose of selecting and describing the exemplary embodiment is that explain the certain principles of the utility model
And its practical application, so that those skilled in the art can realize and utilize a variety of examples of the utility model
Property embodiment and various chooses and changes.The scope of the utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (5)
1. a kind of oil sump attachment device, it is used for oil sump connection outside the bottom surface of cylinder block, the oil sump
The connecting end surface of flange is equipped with seal groove, and the slot bottom of the seal groove is equipped with through hole, and the bottom surface of the cylinder block is equipped with and institute
State the threaded hole of through-hole alignment, it is characterised in that the oil sump attachment device includes：
Rubber pad, it is used for being arranged in the seal groove, and the rubber pad protrudes the connecting end surface in its natural state；
Connect bolt, the thread segment of the connection bolt to having locating shaft between nut, the locating shaft and the thread segment
Junction has step, and the length of the locating shaft is more than the thickness of the flanging；And
Cushion blocking, it is used for being sleeved on the locating shaft；
Wherein described connection bolt is used for being tightened in the threaded hole through the through hole, and the end face of the step is used for abutting
In the bottom surface of the cylinder block, there is gap between the connecting end surface and the bottom surface of the cylinder block.
2. oil sump attachment device according to claim 1, it is characterised in that the inner side of the cushion blocking is equipped with annular
Locating flange, the locating flange are used for being pressed into the through hole.
3. oil sump attachment device according to claim 1, it is characterised in that extended outward on the inside of the nut
Flange face, the flange face are used for compressing the cushion blocking.
4. oil sump attachment device according to claim 1, it is characterised in that the gap is 0.5-3mm.
5. oil sump attachment device according to claim 1, it is characterised in that the depth of the seal groove is 2-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449144.0U CN207315471U (en) | 2017-11-02 | 2017-11-02 | Oil sump attachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721449144.0U CN207315471U (en) | 2017-11-02 | 2017-11-02 | Oil sump attachment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207315471U true CN207315471U (en) | 2018-05-04 |
Family
ID=62380414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721449144.0U Active CN207315471U (en) | 2017-11-02 | 2017-11-02 | Oil sump attachment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207315471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
-
2017
- 2017-11-02 CN CN201721449144.0U patent/CN207315471U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107829797A (en) * | 2017-11-02 | 2018-03-23 | 广西玉柴机器股份有限公司 | Oil sump attachment means |
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