CN110118133A - A kind of crankcase dust excluding plate sealing noise reduction - Google Patents
A kind of crankcase dust excluding plate sealing noise reduction Download PDFInfo
- Publication number
- CN110118133A CN110118133A CN201910539979.2A CN201910539979A CN110118133A CN 110118133 A CN110118133 A CN 110118133A CN 201910539979 A CN201910539979 A CN 201910539979A CN 110118133 A CN110118133 A CN 110118133A
- Authority
- CN
- China
- Prior art keywords
- crankcase
- dust excluding
- noise reduction
- plate body
- excluding plate
- 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.)
- Pending
Links
- 239000000428 dust Substances 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 title claims abstract description 27
- 230000009467 reduction Effects 0.000 title claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 13
- 239000004952 Polyamide Substances 0.000 claims description 16
- 229920002647 polyamide Polymers 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000007769 metal material Substances 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229920003189 Nylon 4,6 Polymers 0.000 claims description 5
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 3
- 229920005560 fluorosilicone rubber Polymers 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 229920000069 polyphenylene sulfide Polymers 0.000 claims description 3
- 229920006375 polyphtalamide Polymers 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000003712 anti-aging effect Effects 0.000 description 4
- 238000004512 die casting Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004043 dyeing Methods 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 231100000252 nontoxic Toxicity 0.000 description 2
- 230000003000 nontoxic effect Effects 0.000 description 2
- 230000009965 odorless effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0085—Materials for constructing engines or their parts
Abstract
The present invention relates to a kind of dust excluding plate of crankcase, have the effect of that leakproofness and anti-acoustic capability are strong.The invention discloses a kind of crankcase dust excluding plates for sealing noise reduction, and including the plate body being open for closed crankcase, the edge of the plate body is provided with elastic cushion made of rubber material, and nearby the shape of shell is identical with crankcase mouth for the elastic cushion.By the cooperation of elastic cushion and plate body, the fitting for realizing dust excluding plate and crankcase is fixed, and ensure that the sealing of crankcase is noise reduction.
Description
Technical field
The present invention relates to a kind of dust excluding plates of crankcase, more specifically, it relates to which a kind of crankcase for sealing noise reduction is anti-
Dirt plate.
Background technique
Automobile touch driven by engine, and crankshaft is exactly the pass by the transform linear motion of engine inner piston for circular motion
Key member, the cavity structure for accommodating the crankshaft is exactly crankcase.
Crankcase is divided into upper crankcase and lower crankcase, and lower crankcase mainly plays lubricating action, and upper crankcase and cylinder
Body integrally casting shaping, is then connected with gearbox, so that the power of crankshaft is transmitted on gearbox, while crankcase and cylinder
Body also functions to sealing function to gearbox, prevents dust and foreign matter from entering gearbox.
Upper crankcase and gearbox intersection can generally reserve the operating condition for holding affiant's observation transmission gear, facilitate inspection
It is in the prior art usually with aluminium alloy system it is necessary to guarantee the leakproofness of crankcase for closure of openings when repairing, and working normally
At dust excluding plate seal, in order to reduce processing cost, aluminum dust excluding plate is processed by die casting, and the production of die-casting process
Precision is insufficient, will lead between aluminum dust excluding plate and crankcase that there are gaps, causes leakproofness poor, while soundproof effect also drops significantly
Low, noise is very big when crankcase being caused to work.
Summary of the invention
It is dust-proof in view of the deficiencies of the prior art, the present invention intends to provide a kind of crankcase for sealing noise reduction
Plate has the effect of that leakproofness and anti-acoustic capability are strong.
To realize the above-mentioned technical purpose, the present invention provides the following technical scheme that a kind of crankcase for sealing noise reduction is dust-proof
Plate, including the plate body being open for closed crankcase, the edge of the plate body is provided with elastic cushion made of rubber material, described
Nearby the shape of shell is identical with crankcase mouth for elastic cushion.
By using above-mentioned technical proposal, plate body is covered on to the opening of crankcase, elastic cushion made of rubber material
It is to be produced by injection molding, the machining accuracy for being molded production is higher than die-casting process, therefore the shape of elastic cushion can be with crankshaft
Case perfect cooperation, elastic cushion fit at parameatal edge, and since elastic cushion itself has elasticity, elastic cushion can be close
It is fitted in crankcase surface, mismachining tolerance is eliminated, ensure that the leakproofness and noise reduction capability of crankcase.
Preferably, the plate body is made of polyamide.
By using above-mentioned technical proposal, polyamide has very high mechanical strength, and softening point is high, heat-resisting, friction
Coefficient is low, wear-resistant, self-lubrication, and shock absorption and sound-deadening properties, oil resistant, weak acid resistant, alkaline-resisting and common solvent, electrical insulating property is good,
There is self-extinguishment, nontoxic, odorless, good weatherability, easy dyeing.Polyamide equally passes through injection molding manufacture, guarantees the shape of plate body
The shape of same fitting crankcase, can guarantee that dust excluding plate has enough mechanical strengths, the opening of crankcase be covered, simultaneously
Also it can guarantee soundproof effect.
Preferably, the both sides of the edge of the plate body are circumferentially extended along itself fixed strip, along itself on the fixed strip
Length direction is uniformly provided with multiple through-holes, and the edge of the elastic cushion, which has, is caught in fixing groove for fixed strip fitting, described
The fixed column of more fitting insertion through-holes is provided in fixing groove.
By using above-mentioned technical proposal, plate body is first processed, then is molded elastic cushion on plate body, the fixed column of elastic cushion
The straight forming in through-hole, due to the heat resistance of polyamide, the rubber of molten condition will not be such that plate body deforms, and realize plate
Body is fixedly connected with elastic cushion, and in vehicle travel process, the vibration that crankcase occurs will not be such that elastic cushion takes off from plate body
It falls, improves the stability of sealing.
Preferably, the length direction both ends of the plate body are respectively arranged with the location hole passed through for bolt.
By using above-mentioned technical proposal, bolt is passed through into location hole and is tightened on the shell of crankcase, ensure that plate
Body and crankcase it is relatively fixed, avoid dust excluding plate from falling off from crankcase, improve stable connection.
Preferably, the inner wall of the location hole is convexly equipped with netted limited block, the positioning hole is embedded with metal material
Briquetting made of expecting, the lateral wall of the briquetting, which is uniformly provided with, is bonded the limiting slot being caught in for limited block.
By using above-mentioned technical proposal, briquetting made of metal material, mechanical strength is greater than polyamide, will not be by
Bolt compressive strain ensure that plate body is steadily bonded crankcase surface, further improve sealing stability.
Preferably, being provided with the recessing groove for avoiding transmission axis hole on the elastic cushion of transmission axis hole.
By using above-mentioned technical proposal, due to can generally be equipped with oil sealing, the machine of oil sealing in the transmission axis hole of gearbox
Tool performance is poor, is unable to stress, this dust excluding plate needs to make measures to keep clear, and oil sealing is avoided to be destroyed by elastic cushion.
Preferably, the plate body is provided with criss-cross reinforcing rib away from crankcase on one side.
By using above-mentioned technical proposal, reinforcing rib can further enhance the mechanical strength of plate body, guarantee the anti-of plate body
Pressure property, when avoiding vehicle that sharp impacts occur, dust excluding plate fragmentation causes crankcase to be revealed, and improves structural soundness.
Preferably, the rubber material use FKM, AEM or FVMQ, the polyamide using PA46, PA66,
PPA or PPS.
By using above-mentioned technical proposal, nearby temperature is very high for engine, wants to the high temperature resistant and anti-aging property of product
Ask very high, the high temperature resistant and anti-aging property requirement to product are very high, so we pass through multiple authentication in material selection, have
Above-mentioned selection, it is ensured that product is qualified.
In conclusion the present invention achieves following effect:
1. the fitting for realizing dust excluding plate and crankcase is fixed by the cooperation of elastic cushion and plate body, crankcase ensure that
Sealing it is noise reduction；
2. the elasticity and mechanical hardness for realizing dust excluding plate are provided simultaneously with by the cooperation of polyamide and rubber；
3. plate body uses polyamide, elastic cushion uses rubber material, and cost of material is lower than metal material, realizes life
Produce the reduction of cost.
Detailed description of the invention
Fig. 1 is in the present embodiment for showing integrally-built schematic diagram；
Fig. 2 is in the present embodiment for showing the perspective view of the explosion of each component matching relationship；
Fig. 3 is in Fig. 2 for partial enlarged view at the A for the fixing groove specific structure for showing elastic cushion；
Fig. 4 is in the present embodiment for showing the partial schematic diagram of briquetting and location hole matching relationship.
In figure, 1, plate body；2, elastic cushion；21, fixed column；22, fixing groove；3, fixed strip；31, through-hole；4, location hole；
41, limited block；5, briquetting；51, limiting slot；6, reinforcing rib；7, recessing groove.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Embodiment: a kind of crankcase dust excluding plate sealing noise reduction, as shown in Figure 1, including being open for closed crankcase
Plate body 1, the edge of plate body 1 are provided with elastic cushion 2 made of rubber material, the shape of shell near elastic cushion 2 and crankcase mouth
Shape is identical.Plate body 1 is covered on to the opening of crankcase, elastic cushion 2 made of rubber material is produced by injection molding, injection molding
The machining accuracy of production is higher than die-casting process, therefore the shape of elastic cushion 2 can be pasted with crankcase perfect cooperation, elastic cushion 2
Conjunction is covered on parameatal edge, and since elastic cushion 2 itself has elasticity, elastic cushion 2 can be fitted tightly over crankcase surface,
Mismachining tolerance is eliminated, ensure that the leakproofness and noise reduction capability of crankcase.
As shown in Figure 1, plate body 1 is made of polyamide.Polyamide has very high mechanical strength, softening point
Height, heat-resisting, coefficient of friction is low, wear-resistant, self-lubrication, shock absorption and sound-deadening properties, oil resistant, weak acid resistant, alkaline-resisting and common solvent,
Electrical insulating property is good, there is self-extinguishment, nontoxic, odorless, good weatherability, easy dyeing.Polyamide equally passes through injection molding manufacture, guarantees
The shape of plate body 1 is equally bonded the shape of crankcase, can guarantee that dust excluding plate has enough mechanical strengths, by opening for crankcase
Mouth covering, while also can guarantee soundproof effect.
As shown in Figure 1, plate body 1 is provided with criss-cross reinforcing rib 6 away from crankcase on one side.Reinforcing rib 6 can be into
One step enhances the mechanical strength of plate body 1, guarantees the crushing resistance of plate body 1, when avoiding vehicle that sharp impacts occur, dust excluding plate fragmentation,
Cause crankcase to be revealed, improves structural soundness.
As shown in Figure 1, the recessing groove 7 for avoiding transmission axis hole is provided on the elastic cushion 2 of transmission axis hole, due to speed change
Oil sealing can be generally equipped in the transmission axis hole of case, the bad mechanical property of oil sealing is unable to stress, this dust excluding plate needs make evacuation
Measure avoids oil sealing from being destroyed by elastic cushion.
As shown in Fig. 2, the both sides of the edge of plate body 1 are circumferentially extended along itself fixed strip 3, along length on fixed strip 3
Direction is uniformly provided with multiple through-holes 31, and the edge of elastic cushion 2, which has, is caught in fixing groove 22 (with reference to figure for the fitting of fixed strip 3
3) fixed column 21 of more fitting insertion through-holes 31, is provided in fixing groove 22.Plate body 1 is first processed, then is molded on plate body 1
Elastic cushion 2, the fixed column 21 of elastic cushion 2 straight forming in through-hole 31, due to the heat resistance of polyamide, molten condition
Rubber will not be such that plate body 1 deforms, and realize being fixedly connected for plate body 1 and elastic cushion 2, and in vehicle travel process, crankcase occurs
Vibration elastic cushion 2 will not be made to fall off from plate body 1, improve the stability of sealing.
As shown in figure 4, the length direction both ends of plate body 1 are respectively arranged with the location hole 4 passed through for bolt.Bolt is passed through
Location hole 4 is simultaneously tightened on the shell of crankcase, be ensure that the relatively fixed of plate body 1 and crankcase, is avoided dust excluding plate from crankshaft
It falls off on case, improves stable connection.
As shown in figure 4, the inner wall of location hole 4 is convexly equipped with netted limited block 41, metal material system is embedded in location hole 4
At briquetting 5, the lateral wall of briquetting 5, which is uniformly provided with, is bonded the limiting slot 51 that is caught in for limited block 41.Made of metal material
Briquetting 5, mechanical strength are greater than polyamide, will not ensure that plate body 1 is steadily bonded crankcase table by bolt compressive strain
Face further improves sealing stability.
For elastic cushion 2 rubber material use FKM, AEM or FVMQ, for plate body 1 polyamide using PA46,
PA66, PPA or PPS use the cooperation of FKM and PA46 in the present embodiment.Nearby temperature is very high for engine, to the high temperature resistant of product
Very high with anti-aging property requirement, the high temperature resistant and anti-aging property requirement to product are very high, so material selects above our warps
Multiple authentication is crossed, there is above-mentioned selection, it is ensured that product is qualified.
Below table is the test parameters of FKM/PA46, and wherein sample size is all 3.
Claims (9)
1. a kind of crankcase dust excluding plate for sealing noise reduction, it is characterised in that: including the plate body (1) being open for closed crankcase,
The edge of the plate body (1) is provided with elastic cushion made of rubber material (2), near the elastic cushion (2) and crankcase mouth
The shape of shell is identical.
2. it is according to claim 1 it is a kind of seal noise reduction crankcase dust excluding plate, it is characterised in that: the plate body (1) by
Polyamide is made.
3. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 2, it is characterised in that: the plate body (1)
Both sides of the edge have fixed strip (3) along itself circumferentially extending, are uniformly provided on the fixed strip (3) along length direction multiple
Through-hole (31), the edge of the elastic cushion (2), which has, is caught in fixing groove (22), the fixing groove for fixed strip (3) fitting
(22) fixed column (21) of more fitting insertions through-hole (31) is provided in.
4. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 3, it is characterised in that: the plate body (1)
Length direction both ends are respectively arranged with the location hole (4) passed through for bolt.
5. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 4, it is characterised in that: the location hole (4)
Inner wall be convexly equipped with netted limited block (41), is embedded with briquetting made of metal material (5) in the location hole (4), it is described
The lateral wall of briquetting (5), which is uniformly provided with, is bonded the limiting slot (51) being caught in for limited block (41).
6. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 5, it is characterised in that: plate body (1) back
It is provided with criss-cross reinforcing rib (6) on one side from crankcase.
7. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 6, it is characterised in that: the rubber material is adopted
With FKM, AEM or FVMQ, the polyamide uses PA46, PA66, PPA or PPS.
8. a kind of crankcase dust excluding plate for sealing noise reduction according to claim 7, it is characterised in that: close to transmission axis hole
The recessing groove (7) for avoiding transmission axis hole is provided on the elastic cushion (2).
9. a kind of crankcase, it is characterised in that: including shell, be provided on the shell described in any one of claim 1-8
Dust excluding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539979.2A CN110118133A (en) | 2019-06-20 | 2019-06-20 | A kind of crankcase dust excluding plate sealing noise reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910539979.2A CN110118133A (en) | 2019-06-20 | 2019-06-20 | A kind of crankcase dust excluding plate sealing noise reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110118133A true CN110118133A (en) | 2019-08-13 |
Family
ID=67524360
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910539979.2A Pending CN110118133A (en) | 2019-06-20 | 2019-06-20 | A kind of crankcase dust excluding plate sealing noise reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110118133A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157314A (en) * | 2006-12-21 | 2008-07-10 | Toyota Motor Corp | Fastening structure |
| KR200459694Y1 (en) * | 2011-09-23 | 2012-04-12 | (주)대양기연 | Spiral duct socket ring |
| JP2013245798A (en) * | 2012-05-29 | 2013-12-09 | Nok Corp | Gasket with filter |
| CN104704270A (en) * | 2012-10-04 | 2015-06-10 | 内山工业株式会社 | Gasket |
| CN206625909U (en) * | 2017-03-01 | 2017-11-10 | 重庆渝江岚峰动力部件有限公司 | A kind of general case lid and Universal box |
| CN207004670U (en) * | 2017-06-27 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of diesel engine hood cap assembly |
| CN210003419U (en) * | 2019-06-20 | 2020-01-31 | 无锡模达科技有限公司 | sealed noise-reducing crankcase dust-proof plate |
-
2019
- 2019-06-20 CN CN201910539979.2A patent/CN110118133A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008157314A (en) * | 2006-12-21 | 2008-07-10 | Toyota Motor Corp | Fastening structure |
| KR200459694Y1 (en) * | 2011-09-23 | 2012-04-12 | (주)대양기연 | Spiral duct socket ring |
| JP2013245798A (en) * | 2012-05-29 | 2013-12-09 | Nok Corp | Gasket with filter |
| CN104704270A (en) * | 2012-10-04 | 2015-06-10 | 内山工业株式会社 | Gasket |
| CN206625909U (en) * | 2017-03-01 | 2017-11-10 | 重庆渝江岚峰动力部件有限公司 | A kind of general case lid and Universal box |
| CN207004670U (en) * | 2017-06-27 | 2018-02-13 | 安徽江淮汽车集团股份有限公司 | A kind of diesel engine hood cap assembly |
| CN210003419U (en) * | 2019-06-20 | 2020-01-31 | 无锡模达科技有限公司 | sealed noise-reducing crankcase dust-proof plate |
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