CN207145085U - Cylinder pad and engine, automobile including it - Google Patents

Abstract

The utility model discloses a kind of cylinder pad and engine, automobile including it, cylinder pad include：At least one layer of substrate, it includes the first end being oppositely arranged and the second end, and the first support member, the first sealed muscle, the second sealed muscle and the 3rd sealed muscle are disposed with from first end to the second end；The bearing height of first support member is more than height when the first sealed muscle is in maximum flexibility contraction state；Second support member, it is arranged at least one layer of substrate, and between the second end and the 3rd sealed muscle, the bearing height of second support member is less than the bearing height of the first support member, and the larger height in both height when height when being in maximum flexibility contraction state more than the second sealed muscle and the 3rd sealed muscle are in maximum flexibility contraction state.The utility model provides a kind of cylinder pad and engine, automobile including it, solves cylinder gasket and larger deformation occurs, the problem of causing the oil leak of cylinder gasket periphery and leak coolant.

Description

Cylinder pad and engine, automobile including it

Technical field

Engine accessory power rating technical field is the utility model is related to, more particularly, to a kind of cylinder pad and bag Include its engine, automobile.

Background technology

The cylinder body generally use cast iron quality of engine is made, and cast iron housing is advantageous in that good rigidity, Ke Yicheng Big power and torque output are carried, so as to squeeze out the maximum performance of engine.With methods such as automotive light weight technology and complete-vehicle oil consumptions Further adding for rule is tight, and cast iron housing is gradually substituted by cast aluminium cylinder block.The density of aluminium only has 1/3rd left sides of the density of iron The right side, in the case of same volume, the weight of cast aluminium cylinder block is significantly lower than the weight of cast iron housing, i.e. cast aluminium cylinder block can be brought more Low complete-vehicle oil consumption.But the insufficient rigidity of cast aluminium cylinder block, high temperature, high pressure engine operation condition in, cast aluminium cylinder block with A certain degree of deformation can occur after cylinder cap assembling, cause cylinder gasket also to produce deformation therewith.Shape in gray iron periphery Become big at relative cylinder holes, and periphery is typically the region of sealing machine oil and coolant.When engine is run, with detonation pressure and The change of temperature, if gray iron relative motion exceedes the height after the sealed muscle resilience of cylinder gasket, now sealed muscle Sealing force be zero, sealing medium will leak；If sealed muscle vibrates in bigger amplitude range always, pole holds Fatigue cracking is also easy to produce, causes more to leak, causes client to complain.

Therefore, it is necessary to a kind of cylinder pad and engine, automobile including it, to solve the above problems.

Utility model content

In view of this, the purpose of this utility model be to propose a kind of cylinder pad and engine including it, Automobile, solve cylinder gasket and larger deformation occur, the problem of causing the oil leak of cylinder gasket periphery and leak coolant so that start Machine cylinder gasket has stronger sealing property.

Based on a kind of above-mentioned purpose cylinder pad provided by the utility model, including：

At least one layer of substrate, at least one layer of substrate include the first end that is oppositely arranged and the second end, and described at least one Laminar substrate is disposed with the first support member, the first sealing for blanket gas cylinder holes from the first end to second end Muscle, the second sealed muscle for sealing spill port and the 3rd sealed muscle for sealing cooling duct；First support member Bearing height is more than height when first sealed muscle is in maximum flexibility contraction state；

Second support member, second support member are arranged at least one layer of substrate, and positioned at second end and Between 3rd sealed muscle, the bearing height of second support member is less than the bearing height of first support member, and greatly Height and the 3rd sealed muscle when second sealed muscle is in maximum flexibility contraction state are in maximum flexibility contraction Larger height in both height during state.

Preferably, the cylinder pad includes the substrate of multilayer laminated distribution, and second support member is set Put on the adjacent substrate on the substrate positioned at center or above or below center.

Preferably, the bearing height of second support member is not more than the bearing height of first support member, and small Maximum relative displacement distance between engine cylinder-body and engine cylinder cover.

Preferably, the upper surface difference of first sealed muscle, second sealed muscle and the 3rd sealed muscle three It is provided with seal coating.

Preferably, second support member includes supporting plate, and the supporting plate is arranged on second end and the described 3rd Between sealed muscle.

Preferably, second support member also includes multiple boss, and multiple boss are spaced and parallel on the substrate Distribution.

Preferably, second support member is multiple salient points being spaced apart, multiple salient points at second end and Arranged between 3rd sealed muscle in array.

Furthermore it is preferred that the width of second support member is not less than 2mm.

The utility model also provides a kind of engine, and the engine includes above-mentioned cylinder pad.

The utility model also provides a kind of automobile, and the automobile includes above-mentioned cylinder pad.

From the above it can be seen that cylinder pad provided by the utility model and engine, vapour including it Car, compared with prior art, there is advantages below：Cylinder pad can be realized to high-temperature fuel gas, high-pressure oil, low pressure The sealing of machine oil and coolant, improve the sealing of pad of engine；First support member and the second support member can reduce engine The deformation of cylinder body and engine cylinder cover, reduce loss of the bolt clamping force in engine operation process, avoid the first sealed muscle, Second sealed muscle and the 3rd sealed muscle caused by respective amplitude is excessive fatigue cracking and cause further to leak.Moreover, start The structure of machine cylinder gasket is simple, easy to make, and cost is low, while meets lightweight requirements, improves user satisfaction.

Brief description of the drawings

By the way that embodiment is described below in conjunction with the accompanying drawings, features described above of the present utility model and technological merit will Become more fully apparent and be readily appreciated that.

Fig. 1 is the use state diagram of the cylinder pad used in first embodiment of the present utility model.

Fig. 2 is the use state diagram of the cylinder pad used in second embodiment of the present utility model.

Fig. 3 is the use state diagram of the cylinder pad used in 3rd embodiment of the present utility model.

Wherein reference：

1：Substrate；2：First support member；3：First sealed muscle；4：Second sealed muscle；

5：3rd sealed muscle；6：Supporting plate；6’：Boss；6”：Salient point；

7：Seal coating；8：Groove；9：Engine cylinder-body；10：Engine cylinder cover.

Embodiment

For the purpose of this utility model, technical scheme and advantage is more clearly understood, below in conjunction with specific embodiment, and Referring to the drawings, the utility model is further described.Wherein identical parts are presented with like reference characters.Need Illustrate, word "front", "rear", "left", "right", the "up" and "down" used in describing below refers to the side in accompanying drawing To.The word " interior " used and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.

Fig. 1 is the use state diagram of the cylinder pad used in first embodiment of the present utility model.Such as Shown in Fig. 1, cylinder pad includes：At least one layer of support member of substrate 1 and second.

Substrate 1 includes the first end being oppositely arranged and the second end, substrate 1 are disposed with first from first end to the second end Support member 2, the first sealed muscle 3 for blanket gas cylinder holes, the second sealed muscle 4 for sealing spill port and for seal cool down 3rd sealed muscle 5 of passage；When the bearing height of first support member 2 is in maximum flexibility contraction state more than the first sealed muscle 3 Height.

Second support member is arranged at least one layer of substrate 1, and between the second end and the 3rd sealed muscle 5, second The bearing height of support member is less than the bearing height of the first support member 2, and is in maximum flexibility contraction state more than the second sealed muscle 4 When both height when being in maximum flexibility contraction state of height and the 3rd sealed muscle 5 in larger height.

Substrate 1 and its first sealed muscle 3 of top, the second sealed muscle 4 and the 3rd sealed muscle 5 are respectively used to canned motor Interior high-temperature fuel gas, high-pressure oil, low-pressure oil and coolant, avoid leaking；First support member 2 and the second support member difference Set close to first end and the second end, after the first sealed muscle 3 is compressed into the bearing height of the first support member 2, the first support member 2 Support force is provided, avoids the first sealed muscle 3 from further being compressed；Second sealed muscle 4 and the 3rd sealed muscle 5 are compressed into second After the bearing height of support member, the second support member provides support force, avoids the second sealed muscle 4 and the 3rd sealed muscle 5 from further being pressed Contracting.

First support member 2 and the second support member can reduce the pressure of the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5 Contracting and rebound stroke, to avoid the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5 that Compression Set occurs, avoid The cracking of first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5.

Cylinder pad can reduce the local shape of engine cylinder-body 9 and engine cylinder cover 10 within the specific limits Become, to improve the sealing property of cylinder pad and endurance quality, extend its service life.Meanwhile engine cylinder-body 9 and The local deformation of engine cylinder cover 10 relaxes the connecting bolt for causing engine cylinder to cover, and causes bolt clamping force to lose, and pacifies After mounted engine cylinder gasket, the loss in engine operation process because of bolt clamping force can be reduced, further reduces machine oil And the leakage of coolant.

In the present embodiment, the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5 are stamped out on substrate 1, first The first support member 2 of punching press, welding or riveting on substrate 1 between end and the first sealed muscle 3, at the 3rd sealed muscle 5 and the second end Between substrate 1 on punching press, welding or riveting the second support member.In addition, closer to the second end of cylinder pad, start The deformation of machine cylinder body 9 and engine cylinder cover 10 is bigger, and the second support member is generally arranged at close to the position at the second end, is effectively dropped The deformation of low engine cylinder-body 9 and engine cylinder cover 10.

Preferably, cylinder pad includes the substrate 1 of multilayer laminated distribution, and the second support member is arranged in center Substrate 1 on or the adjacent substrate 1 above or below center on.Using the stacked distribution of multilager base plate 1, hair can be improved The support strength of motivation cylinder gasket, the deformation quantity of the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5 is reduced, improved Sealing effectiveness, avoid leaking.To provide good supporting role, when the quantity of substrate 1 is odd number, the second support member can It is arranged on the substrate 1 at center；When the quantity of substrate 1 is even number, the second support member may be provided at positioned at overcentre Or in the adjacent substrate 1 of lower section.

According to the sealing intensity of cylinder pad, the height of the first sealed muscle 3 in normal state is higher than second The height of height and the 3rd sealed muscle 5 in normal state of sealed muscle 4 in normal state, it is preferable that the second support member Bearing height be not more than the bearing height of the first support member 2, and respectively less than between engine cylinder-body 9 and engine cylinder cover 10 Maximum relative displacement distance, further reduce the deformation shadow of both the first support member 2 and the second support member to engine cylinder cover 10 Ring so that each sealed muscle is compressed in rational region or resilience.

The bearing height of both first support member 2 and the second support member needs the data and actual conditions provided according to CAE Depending on.In the present embodiment, the bearing height of the first support member 2 is 0.13mm~0.17mm, the bearing height of the second support member For 0.06mm~0.12mm.

To improve the sealing of cylinder pad, it is preferable that the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealing The upper surface of the three of muscle 5 is respectively arranged with seal coating 7.Seal coating 7 is used to reduce the first sealed muscle 3, the and of the second sealed muscle 4 The surface roughness of the upper surface of the three of 3rd sealed muscle 5, there is provided sealing function, reduce engine cylinder-body 9 and engine cylinder cover Abrasion between 10.

In the present embodiment, seal coating 7 is generally made by fluorubber material, and the thickness of seal coating 7 is about 0.02mm；Seal coating 7 includes left side seal coating and right side seal coating, when the first sealed muscle 3 and the first support member 2 are in base After being molded on plate 1, left side seal coating is covered on the upper surface of the first sealed muscle 3, and left side seal coating supports to first The side of part 2 extends, and is covered in the top of the first support member 2.When the second sealed muscle 4, the 3rd sealed muscle 5 and the second support member are in base After being molded on plate 1, right side seal coating is covered on the upper surface of the second sealed muscle 4 and the 3rd sealed muscle 5, and right side sealing applies Layer extends to the second support member side, and is covered in the top of the second support member 2.

To ensure that the second support member realizes good supporting role, it is preferable that the second support member includes supporting plate 6, support Plate 6 is arranged between the second end and the 3rd sealed muscle 5.Supporting plate 6 provides the effect of limited support, avoids the He of the second sealed muscle 4 3rd sealed muscle 5 is further compressed.Supporting plate 6 is simple in construction, easy for installation, and support strength is high.

In the present embodiment, supporting plate 6 is made using metallic plate, such as steel plate, by metal plate weld or is riveted on base On plate 1.

Fig. 2 is the use state diagram of the cylinder pad used in second embodiment of the present utility model.Such as Shown in Fig. 2, the second support member includes multiple boss 6 '.

To ensure that the second support member realizes good supporting role, while cylinder pad is set to meet that lightweight will Ask, it is preferable that the second support member also includes multiple boss 6 ', the spaced and parallel distribution on substrate 1 of multiple boss 6 '.Boss 6 ' is logical Cross and plate stamping is made, the lower section of boss 6 ' sets fluted 8, and boss 6 ' provides the effect of limited support, avoids second The sealed muscle 5 of sealed muscle 4 and the 3rd is further compressed.

In the present embodiment, boss 6 ' is made using metallic plate, and such as steel plate, it is multiple convex to be spaced punching press on a metal plate Platform 6 ', groove 8 is formed in the bottom of boss 6 ', the both ends of metallic plate are welded or riveted on substrate 1.

Fig. 3 is the use state diagram of the cylinder pad used in 3rd embodiment of the present utility model.Such as Shown in Fig. 3, the second support member includes multiple salient points 6 ".

To ensure that the second support member realizes good supporting role, while simplify manufacture craft, it is preferable that the second support member For multiple salient points 6 " being spaced apart, multiple salient points 6 " arrange between the second end and the 3rd sealed muscle 5 in array.Salient point 6 " carries For the effect of limited support, the second sealed muscle 4 and the 3rd sealed muscle 5 is avoided to be further compressed.Multiple salient points 6 " are arranged in array Row, to provide equably support force.

The support width of second support member can be arranged according to the width in actual installation face, in the width range of mounting surface Interior, the second support member width is wider, and stress concentration is smaller, and support effect is better, furthermore it is preferred that the width of the second support member Not less than 2mm.

The use process of cylinder pad is described further below.

Cylinder pad is arranged between cast aluminium engine cylinder-body and cast aluminium engine cylinder cover, or is sent out installed in cast aluminium Between motivation cylinder cap and cast iron engine block；Substrate 1 and its first sealed muscle 3 of top, the second sealed muscle 4 and the 3rd sealing Muscle 5 is respectively used to high-temperature fuel gas in canned motor, high-pressure oil, low-pressure oil and coolant；In engine operation process, Coolant can be down to low temperature from low-temperature-rise to high temperature in a short time, according to expanding with heat and contract with cold so that aluminium parts first complete one By being as cold as the relaxation deformation process of heat, then one is completed by heat to cold compressive deformation process so that the first sealing on substrate 1 Muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5 produce first compression stroke and a rebound stroke, the first support member 2 and second Support member is used to provide support force for the first sealed muscle 3, the second sealed muscle 4 and the 3rd sealed muscle 5, makes the first sealed muscle 3, second The sealed muscle 5 of sealed muscle 4 and the 3rd is compressed in rational region or resilience.

The utility model also provides a kind of engine, and engine includes above-mentioned cylinder pad.

The utility model also provides a kind of automobile, and automobile includes above-mentioned cylinder pad.

Understand, cylinder pad provided by the utility model and start including it with practice from the description above Machine, automobile, compared with prior art, there is advantages below：Cylinder pad can be realized to high-temperature fuel gas, high-pressure unit The sealing of oil, low-pressure oil and coolant, improve the sealing of pad of engine；First support member and the second support member can reduce The deformation of engine cylinder-body and engine cylinder cover, loss of the bolt clamping force in engine operation process is reduced, avoids first Sealed muscle, the second sealed muscle and the 3rd sealed muscle caused by amplitude is excessive fatigue cracking and cause further to leak.Moreover, start The structure of machine cylinder gasket is simple, easy to make, and cost is low, while meets lightweight requirements, improves user satisfaction.

Those of ordinary skills in the art should understand that：The foregoing is only specific embodiment of the utility model and , the utility model is not limited to, all any modifications within purport of the present utility model, made, equivalent substitution, is changed Enter, should be included within the scope of protection of the utility model.

Claims (10)

1. A kind of 1. cylinder pad, it is characterised in that including：

   At least one layer of substrate, at least one layer of substrate include first end and the second end being oppositely arranged, at least one layer of base Plate is disposed with the first support member, the first sealed muscle for blanket gas cylinder holes from the first end to second end, used The second sealed muscle in sealing spill port and the 3rd sealed muscle for sealing cooling duct；The support of first support member is high Degree is more than height when first sealed muscle is in maximum flexibility contraction state；

   Second support member, second support member are arranged at least one layer of substrate, and positioned at second end and described Between 3rd sealed muscle, the bearing height of second support member is less than the bearing height of first support member, and is more than institute State height when the second sealed muscle is in maximum flexibility contraction state and the 3rd sealed muscle is in maximum flexibility contraction state When both height in larger height.
2. 2. cylinder pad according to claim 1, it is characterised in that

   The cylinder pad includes the substrate of multilayer laminated distribution, and second support member is arranged in center The substrate on or the adjacent substrate above or below center on.
3. 3. cylinder pad according to claim 1, it is characterised in that

   The bearing height of second support member is not more than the bearing height of first support member, and respectively less than engine cylinder-body Maximum relative displacement distance between engine cylinder cover.
4. 4. the cylinder pad according to any one of claims 1 to 3, it is characterised in that

   The upper surface of first sealed muscle, second sealed muscle and the 3rd sealed muscle three is respectively arranged with sealing and applied Layer.
5. 5. the cylinder pad according to any one of claims 1 to 3, it is characterised in that

   Second support member includes supporting plate, and the supporting plate is arranged between second end and the 3rd sealed muscle.
6. 6. the cylinder pad according to any one of claims 1 to 3, it is characterised in that

   Second support member also includes multiple boss, the spaced and parallel distribution on the substrate of multiple boss.
7. 7. the cylinder pad according to any one of claims 1 to 3, it is characterised in that

   Second support member is multiple salient points being spaced apart, and multiple salient points are at second end and the 3rd sealing Arranged between muscle in array.
8. 8. the cylinder pad according to any one of claims 1 to 3, it is characterised in that

   The width of second support member is not less than 2mm.
9. 9. a kind of engine, it is characterised in that the engine includes the engine air as described in any one of claim 1 to 8 Cylinder pad.
10. 10. a kind of automobile, it is characterised in that the automobile includes the engine cylinder ring as described in any one of claim 1 to 8 Piece.