CN104806371A - Sealing structure between upper cylinder body and lower frame of equally-divided cylinder body - Google Patents
Sealing structure between upper cylinder body and lower frame of equally-divided cylinder body Download PDFInfo
- Publication number
- CN104806371A CN104806371A CN201510122473.3A CN201510122473A CN104806371A CN 104806371 A CN104806371 A CN 104806371A CN 201510122473 A CN201510122473 A CN 201510122473A CN 104806371 A CN104806371 A CN 104806371A
- Authority
- CN
- China
- Prior art keywords
- cylinder body
- underframe
- upper cylinder
- glue
- sealing
- 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
- 238000007789 sealing Methods 0.000 title claims abstract description 61
- 239000003292 glue Substances 0.000 claims description 54
- 239000000741 silica gel Substances 0.000 claims description 16
- 229910002027 silica gel Inorganic materials 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 239000000565 sealant Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 abstract description 10
- 230000001070 adhesive effect Effects 0.000 abstract description 10
- 239000012945 sealing adhesive Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000004026 adhesive bonding Methods 0.000 description 6
- 239000010721 machine oil Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010705 motor oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing 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
- F02F1/00—Cylinders; Cylinder heads
- F02F1/18—Other cylinders
-
- 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
- F02F11/00—Arrangements of sealings in combustion engines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a sealing structure between an upper cylinder body and a lower frame of an equally-divided cylinder body. The sealing structure comprises the lower frame (1) and the upper cylinder body (2), wherein a lower frame top face (11) and the upper cylinder body (2) are fastened and connected and are sealed by using a sealing adhesive. The sealing structure is characterized in that an adhesive accommodating chamfer (3) is caste between the inner side edge of the lower frame top face (11) and the wall face of an upper crank case inner cavity (14) of the lower frame (1), and the adhesive accommodating chamfer (3) and the upper cylinder body (2) form a horizontally-arranged V-shaped groove adhesive accommodating space for accommodating the sealing adhesive extruded when the lower frame top face (11) and the upper cylinder body (2) are closed up. In the horizontally-arranged V-shaped groove adhesive accommodating space, the width C of the portion, corresponding to the adhesive accommodating chamfer (3), of the lower frame top face (11) is greater than or equal to the width L of the adhesive accommodating chamfer (3). A plurality of bolt installing holes (13) are evenly distributed at the portion, matched with the upper cylinder body (2) in a contact mode, on the lower frame top face (11) so as to facilitate fastening connection between the lower frame (1) and the upper cylinder body (2).
Description
Technical field
The invention belongs to technical field of automobile engine, be specifically related to a kind of sealing configuration divided equally between formula cylinder body upper cylinder body and underframe.
Background technique
Sealing problem is a difficult point of engine art always, causes the problem of engine oil leakage very general because of poorly sealed.Engine oil leakage can cause oil consumption large, affects engine lubrication, reduces engine performance, causes very big puzzlement and the complaint of client.Can a motor corporation manufacture the good motor of a sealing, is also the standard of measurement motor corporation's designed capacity.
Motor needs the place sealed have a lot, the sealing of timing cover, valve chamber cover seals, and oil sump seals, cylinder cap sealing, here what retell is divide the sealing between the upper cylinder body of formula cylinder body and underframe equally.The mode of sealing has a variety of, such as steel pad sealing, paper washer sealing, rubber seal, gluing sealing.Sealing between cylinder body and framework is not generally advised adopting gasket seal, because use the words of pad, the circularity in cylinder crankshaft hole can be affected, crankshaft hole circularity is defective, Bearing score can be caused, the problems such as bent axle locking, affect engine life, the sealing therefore between cylinder body and framework generally adopts gluing to seal.
The glue sealing means divided equally between the upper cylinder body of formula cylinder body and underframe generally has two kinds, and one uses anaerobic adhesive gluing in the middle of the sealing surface, also has one to be machined grooves on underframe sealing surface, then silica gel is coated in seal groove seals.The rapid curing metal surface that wherein anaerobic adhesive can be close at two completely cuts off air, sealing effect is fine, but anaerobic adhesive oil resistance is very poor, requires very high to the turbidity test of sealing surface.Before gluing, washing agent clean surface must be used, ensure that surface is without grease, because there are some greasy dirts all may cause the seal failure of glue product.When assembling on a production line, be difficult to ensure that sealing surface does not absolutely have greasy dirt, therefore operability is very poor.A lot of engine oil leakage is all that anaerobic adhesive seal failure causes because turbidity test are bad.Encapsulation scheme between another kind of cylinder body framework adopts groove to be coated with silica gel, and silica gel has excellent oil resistance, and sealing effect is fine.Machined grooves in the middle of sealing surface, is coated in glue on glue groove and seals, and only the silica gel of some is in glue groove, play sealing effect, but most of glue is all pressed against inside sealing surface or outside, the glue of inner side is easy to come off, can fall in oil sump, pollute machine oil, plugging machine oil interceptor.And machined grooves need increase manufacturing procedure, impact processing beat, too increase processing cost, be from cost or process aspect be not quite reasonable.
Summary of the invention
In order to solve the technical problem of above-mentioned existence, the present invention devises a kind of sealing configuration divided equally between formula cylinder body upper cylinder body and underframe, this invention can ensure to store up glue effectively inside cylinder body framework, cylinder body framework is made to have better sealing, also can ensure not allow glue drop in oil sump simultaneously, do not pollute machine oil, also need not machined grooves, increase processing cost and affect productive temp.
In order to solve the technical problem of above-mentioned existence, present invention employs following scheme:
A kind of sealing configuration divided equally between formula cylinder body upper cylinder body and underframe, comprise underframe (1) and upper cylinder body (2), underframe end face (11) and upper cylinder body (2) are fastenedly connected and use sealant sealing, it is characterized in that: the sealer extruded when being provided with an appearance glue space to hold underframe end face (11) and upper cylinder body (2) mould assembling between underframe end face (11) inside edge and upper cylinder body (2).
Further, process and hold glue chamfering (3) transition between the wall of underframe end face (11) inside edge and underframe (1) upper crankcase inner chamber (14), " V " type groove that appearance glue chamfering (3) and upper cylinder body (2) form an accumbency holds glue space.
Further, casting when glue chamfering (3) is cast with underframe (1) is held.
Further, " V " type groove of accumbency holds in glue space, and the upper width C with holding glue chamfering (3) corresponding part of upper cylinder body (2) is more than or equal to the width L holding glue chamfering (3).
Further, hold between glue chamfering (3) and underframe end face (11) and define angle a, angle a size is 30 ± 5 °.
Further, the width L holding glue chamfering (3) is more than or equal to 2mm.
Further, the upper part contacting cooperation with upper cylinder body (2) of underframe end face (11) is evenly equipped with some bolt mounting holes (13) to coordinate with bolt and underframe (1) and upper cylinder body (2) is fastened together.
Further, bolt mounting holes (13) has 10, and bolt selects specification to be M8 × 1.25, and screw-down torque is 25N.m-30N.m.
Further, underframe end face (11) contacts the part coordinated and adopts silica gel sealing thus formation one sealing strip with upper cylinder body (2).
Further, sealant band width B is more than or equal to 8mm, and bolt mounting holes (13) sealant band width is around more than or equal to 5mm.
This sealing configuration divided equally between formula cylinder body upper cylinder body and underframe has following beneficial effect:
(1) in the present invention, the sealer extruded when being provided with an appearance glue space to hold underframe end face and upper cylinder body mould assembling between underframe end face inward flange and upper cylinder body, can effectively ensure to store up glue inside cylinder body framework, cylinder body framework is made to have better sealing, also can ensure not allow glue drop in oil sump simultaneously, do not pollute machine oil, also need not machined grooves, increase processing cost and affect productive temp.
(2) in the present invention, " V " type groove of accumbency holds glue space, and owing to adding and the area of contact of sealer and contact angle, be both conducive to storing up glue, be convenient to again processing, cost is lower, easy to utilize.
(3), in the present invention, casting when the appearance glue chamfering in " V " type groove appearance glue space of composition accumbency is cast with underframe, saves other manufacturing procedure, reduce further cost.
Accompanying drawing explanation
Fig. 1: the present invention divides the sealing configuration simplified schematic diagram between formula cylinder body upper cylinder body and underframe equally;
Fig. 2: the structural representation of underframe in the present invention;
The A-A sectional view of Fig. 3: Fig. 2;
D place partial enlarged drawing in Fig. 4: Fig. 3;
Fig. 5: gluing schematic diagram of the present invention.
Description of reference numerals:
1-underframe; 11-underframe end face; 12-main bearing keeps off; 13-bolt mounting holes; 14-crankcase intracavity; 2-upper cylinder body; 3-hold glue chamfering; 4-silica gel.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described:
Fig. 1 to Fig. 5 shows a kind of sealing configuration divided equally between formula cylinder body upper cylinder body and underframe, comprise underframe 1 and upper cylinder body 2, underframe 1 comprises underframe end face 11, main bearing gear 12 and crankcase intracavity 14, and underframe end face 11 contacts with upper cylinder body 2 and cooperating.Underframe end face 11 contacts the part coordinated and is evenly equipped with some bolt mounting holes 13 with upper cylinder body 2, in the present embodiment, bolt mounting holes 13 has 10.Cast out between the wall of underframe end face 11 inward flange and crankcase intracavity 14 and hold glue chamfering 3 transition.During installation, utilize bolt underframe 1 and upper cylinder body 2 to be linked together, rely on the pretightening force of framework bolt to provide upper cylinder body 2 and underframe 1 to seal required contact.Bolt generally selects specification to be M8 × 1.25, and screw-down torque is 25N.m-30N.m.The distribution of bolt and number can adjust according to actual needs, increase and reduce.The specification of bolt and screw-down torque also can adjust according to the design of reality, and above-described parameter is the parameter of this example.
Underframe end face 11 contacts the part coordinated and there is a sealing strip with upper cylinder body 2, as shown in Figure 5, sealant band width B must be more than or equal to 8mm, and the sealant band width around bolt mounting holes 13 must be more than or equal to and equals 5mm.Sealing strip evenly coats silica gel 4, tights a bolt after underframe 1 and the 2-in-1 case of upper cylinder body, under the pretightening force effect of bolt, sealing strip is formed uniform sealer.Along sealing strip, unnecessary silica gel has been got in the appearance glue chamfering 3 that increases between the wall of underframe end face 11 and crankcase intracavity 14 defines another road sealing barrier, angle a is defined between this appearance glue chamfering 3 and underframe end face 11, angle a is generally 30 ± 5 °, holding the width L of glue chamfering 3 for being more than or equal to 2mm, holding the structure of glue chamfering 3 as shown in Figure 3 and Figure 4.
As shown in Figure 1, " V " type groove that upper cylinder body 2 forms an accumbency with the appearance glue chamfering 3 of underframe 1 holds glue space, upper cylinder body 2 must be more than or equal to the width C holding glue chamfering 3 corresponding part the width L holding glue chamfering 3, such design can ensure, when upper cylinder body 2 and underframe 1 mould assembling, form a good appearance glue region, reach the effect of extruding, silica gel 4 is expressed to equably and holds glue chamfering 3 li.
During assembling, first silica gel 4 is evenly coated on underframe end face 11 along sealing strip, silica gel 4 thickness is about 3mm, again underframe 1 to be contained on upper cylinder body 2 and after construction bolt, silica gel 4 inside underframe 1 is all extruded to and holds glue chamfering 3 li, avoids the silica gel 4 squeezed out and comes off, drop in oil sump and pollute machine oil, be expressed to the silica gel holding glue chamfering 3 li simultaneously and yet forms both an extraordinary sealing area, reach good sealing effect.
The present invention increases and holds glue chamfered transition between underframe inside top surface edge and crankcase intracavity wall, during assembling, underframe sealing surface carries out uniform gluing, after upper cylinder body and underframe mould assembling, tight a bolt, silica gel is all pressed against and holds in glue chamfering, forms uniform sealer, can well prevent oil leakage in engine inner chamber out, effectively solve the problem of original sealing means sealing effect difference.
In the present embodiment, the appearance glue chamfering on underframe is casting, and compare the mode that glue groove is held in processing, the program decreases the input of processing cost, also can not affect productive temp simultaneously.Pay special attention to the size that chamfering width L that the design mentions is finished product, must consider machining allowance during casting, after avoiding causing and processing, L is too small for chamfering width.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious realization of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all in protection scope of the present invention without to improve.
Claims (10)
1. divide the sealing configuration between formula cylinder body upper cylinder body and underframe equally for one kind, comprise underframe (1) and upper cylinder body (2), underframe end face (11) and upper cylinder body (2) are fastenedly connected and use sealant sealing, it is characterized in that: the sealer extruded when being provided with an appearance glue space to hold underframe end face (11) and upper cylinder body (2) mould assembling between underframe end face (11) inside edge and upper cylinder body (2).
2. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 1, it is characterized in that: process between the wall of underframe end face (11) inside edge and underframe (1) upper crankcase inner chamber (14) and hold glue chamfering (3) transition, " V " type groove that appearance glue chamfering (3) and upper cylinder body (2) form an accumbency holds glue space.
3. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 2, it is characterized in that: " V " type groove of accumbency holds in glue space, the upper width C with holding glue chamfering (3) corresponding part of upper cylinder body (2) is more than or equal to the width L holding glue chamfering (3).
4. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to Claims 2 or 3, is characterized in that: hold between glue chamfering (3) and underframe end face (11) and define angle a, angle a size is 30 ± 5 °.
5. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 4, is characterized in that: the width L holding glue chamfering (3) is more than or equal to 2mm.
6. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 1,2,3 or 5, is characterized in that: the upper part contacting cooperation with upper cylinder body (2) of underframe end face (11) is evenly equipped with some bolt mounting holes (13) to coordinate with bolt and underframe (1) and upper cylinder body (2) is fastened together.
7. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 6, is characterized in that: bolt mounting holes (13) has 10, and bolt selects specification to be M8 × 1.25, and screw-down torque is 25N.m-30N.m.
8. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 1,2,3,5 or 7, is characterized in that: underframe end face (11) contacts the part coordinated and adopts silica gel sealing thus form a sealing strip with upper cylinder body (2).
9. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 8, is characterized in that: sealant band width B is more than or equal to 8mm, and bolt mounting holes (13) sealant band width is around more than or equal to 5mm.
10. the sealing configuration divided equally between formula cylinder body upper cylinder body and underframe according to claim 2,3,5,7 or 9, is characterized in that: hold casting when glue chamfering (3) is cast with underframe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122473.3A CN104806371A (en) | 2015-03-20 | 2015-03-20 | Sealing structure between upper cylinder body and lower frame of equally-divided cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510122473.3A CN104806371A (en) | 2015-03-20 | 2015-03-20 | Sealing structure between upper cylinder body and lower frame of equally-divided cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104806371A true CN104806371A (en) | 2015-07-29 |
Family
ID=53691506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510122473.3A Pending CN104806371A (en) | 2015-03-20 | 2015-03-20 | Sealing structure between upper cylinder body and lower frame of equally-divided cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104806371A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124671A (en) * | 2018-10-10 | 2019-01-04 | 上海市富力达科技股份有限公司 | A kind of Water ball structure and glue injection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103152A (en) * | 1996-09-26 | 1998-04-21 | Toyota Motor Corp | Mounting structure for oil pan |
| CN101694180A (en) * | 2009-10-19 | 2010-04-14 | 奇瑞汽车股份有限公司 | Sealing device of timing sprocket wheel cover cap |
| CN201574842U (en) * | 2009-09-04 | 2010-09-08 | 中国第一汽车集团公司 | Glue accommodating groove on cover cap of chain chamber |
| CN201884084U (en) * | 2010-12-15 | 2011-06-29 | 东风朝阳柴油机有限责任公司 | Anti-leakage structure for oil holes on sealing surface |
| CN204082255U (en) * | 2014-09-24 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of engine sump tank |
-
2015
- 2015-03-20 CN CN201510122473.3A patent/CN104806371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10103152A (en) * | 1996-09-26 | 1998-04-21 | Toyota Motor Corp | Mounting structure for oil pan |
| CN201574842U (en) * | 2009-09-04 | 2010-09-08 | 中国第一汽车集团公司 | Glue accommodating groove on cover cap of chain chamber |
| CN101694180A (en) * | 2009-10-19 | 2010-04-14 | 奇瑞汽车股份有限公司 | Sealing device of timing sprocket wheel cover cap |
| CN201884084U (en) * | 2010-12-15 | 2011-06-29 | 东风朝阳柴油机有限责任公司 | Anti-leakage structure for oil holes on sealing surface |
| CN204082255U (en) * | 2014-09-24 | 2015-01-07 | 安徽江淮汽车股份有限公司 | A kind of engine sump tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109124671A (en) * | 2018-10-10 | 2019-01-04 | 上海市富力达科技股份有限公司 | A kind of Water ball structure and glue injection method |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150729 |
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| RJ01 | Rejection of invention patent application after publication |