CN209724505U - Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance - Google Patents
Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance Download PDFInfo
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- CN209724505U CN209724505U CN201920481016.7U CN201920481016U CN209724505U CN 209724505 U CN209724505 U CN 209724505U CN 201920481016 U CN201920481016 U CN 201920481016U CN 209724505 U CN209724505 U CN 209724505U
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- 238000005728 strengthening Methods 0.000 claims abstract description 8
- 208000020442 loss of weight Diseases 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a kind of raising body rigidity and the cylinder in V-arrangement body structures of NVH performance, cylinder in V-arrangement body structure includes cylinder in V-arrangement body ontology, cylinder in V-arrangement body ontology includes: at the top of V-type, includes in multiple cylinders of two column arrangement of left and right at the top of V-type, cylinder is provided with cylinder jacket;Multiple V-type stiffening plates, each V-type stiffening plate are set between two adjacent cylinders, and V-type stiffening plate extends to the inner wall of V-type cylinder body ontology along the width direction of cylinder in V-arrangement body, and the height of V-type stiffening plate reaches the medium position of cylinder jacket;And two bottoms, bottom are provided with U-shaped strengthening rib strip.The cylinder in V-arrangement body structure design of the raising body rigidity and NVH performance of the utility model is more compact, and loss of weight is obvious, significantly improves the stiffness and strength of body, reduces the deformation of cylinder sleeve, and improve NVH performance.
Description
Technical field
The utility model is about a kind of block structure, especially with regard to the V of a kind of raising body rigidity and NVH performance
Type block structure.
Background technique
NVH, i.e. noise, vibration and sound vibration roughness (english abbreviation of Noise, Vibration, Harshness).NVH
Performance is to measure a composite target of automobile manufacture quality, it is experienced as most directly, having and counting money to user vehicle
Material display, vehicle is to have relationship with the NVH problem of vehicle there are about 1/3 failure problems, and therefore, the NVH performance for improving vehicle is
One of major vehicle manufacturing enterprise and the Research Emphasis of parts enterprises.
The cylinder block of the high-power engine of existing V-type have top V-type portion and with two bottoms, in each bottom
Portion is provided with cavity, however existing cylinder in V-arrangement body structure degree of boost is not high, intensity and insufficient rigidity, NVH performance are poor.
The information disclosed in the background technology section is intended only to increase the understanding to the general background of the utility model, and
It is not construed as recognizing or implying in any form that information composition is already known to those of ordinary skill in the art existing
Technology.
Utility model content
The purpose of this utility model is to provide a kind of raising body rigidity and the cylinder in V-arrangement body structure of NVH performance, energy
Body rigidity is enough improved, the deformation of cylinder jacket is reduced.
To achieve the above object, the utility model provides a kind of cylinder in V-arrangement body knot for improving body rigidity and NVH performance
Structure, cylinder in V-arrangement body structure include cylinder in V-arrangement body ontology, and it includes in left and right at the top of V-type that cylinder in V-arrangement body ontology, which includes: at the top of V-type,
Multiple cylinders of two column arrangements, cylinder are provided with cylinder jacket;Multiple V-type stiffening plates, each V-type stiffening plate are set to adjacent two
Between a cylinder, V-type stiffening plate extends to the inner wall of V-type cylinder body ontology along the width direction of cylinder in V-arrangement body, and V-type is reinforced
The height of plate reaches the medium position of cylinder jacket;And two bottoms, bottom are provided with U-shaped strengthening rib strip.
In a preferred embodiment, the height of V-type stiffening plate and the value range of the ratio of cylinder in V-arrangement body cylinder diameter are
3~5, the value range of the ratio of the thickness and cylinder diameter of V-type stiffening plate is 0.05~0.1.
In a preferred embodiment, the U-shaped strengthening rib strip height of bottom is 2~5 times of cylinder body skirt section thickness, and
The value range of the ratio of cylinder body skirt section width and cylinder diameter is 3~4.
In a preferred embodiment, the value range of the ratio of gantry height and cylinder diameter of bottom is 1~2, gantry
The value range of the ratio of width and cylinder diameter is 2~3.
In a preferred embodiment, it is opened up in V-type stiffening plate there are two crankcase vent passage, two crankcases are logical
Wind channel is arranged symmetrically, and the value range of the ratio of crankcase vent passage height and cylinder diameter is 3~4.
In a preferred embodiment, the value range of the ratio of cylinder in V-arrangement body height and cylinder diameter is 4~5, V-type gas
The value range of the ratio of operating width and cylinder diameter is 6~8.
In a preferred embodiment, height and the value range of the ratio of cylinder diameter are 2 on the main bearing seat at the top of V-type
~3.
Compared with prior art, the cylinder in V-arrangement body structure tool according to the present utility model for improving body rigidity and NVH performance
Have the advantages that: the cylinder in V-arrangement body structure setting of the utility model has multiple V-type stiffening plates, and by reasonably designing
Parameter significantly improves cylinder block strength, and deformation is smaller, and design is more compact, and loss of weight is obvious.The height of V-type stiffening plate reaches gas
The medium position of cylinder sleeve is conducive to the rigidity for reinforcing cylinder sleeve, reduces the deformation of cylinder sleeve.Cylinder block U-shaped strengthening rib strip design, allows machine
Body skirt section rigidity is stronger, and deformation is smaller, and intensity further strengthens, and improves NVH performance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the cylinder in V-arrangement body structure of one embodiment of the utility model.
Fig. 2 is the cross-sectional view according to the cylinder in V-arrangement body structure of one embodiment of the utility model.
Fig. 3 is the partial sectional view according to the cylinder in V-arrangement body structure of one embodiment of the utility model.
Specific embodiment
With reference to the accompanying drawing, specific embodiment of the present utility model is described in detail, it is to be understood that this is practical
Novel protection scope is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in Figure 1 to Figure 3, according to the V-type for improving body rigidity and NVH performance of the preferred embodiments of the present invention
Block structure, cylinder in V-arrangement body structure include cylinder in V-arrangement body ontology 1, and cylinder in V-arrangement body ontology 1 includes: 2, two bottoms at the top of V-type
Portion 3 and multiple V-type stiffening plates 6.Wherein, V-type top 2 includes in multiple cylinders 4 of two column arrangement of left and right, and cylinder 4 is provided with
Cylinder jacket 5, for installing oil cooler, the top surface at V-type top 2 is provided with water cavity, cooling for accommodating machine oil at V-type top 2
The cooling core of device.Each V-type stiffening plate 6 is set between two adjacent cylinders 4, width of the V-type stiffening plate 6 along cylinder in V-arrangement body
Degree direction extends to the inner wall of V-type cylinder body ontology, and the height of V-type stiffening plate 6 reaches the medium position of cylinder jacket.It is preferred that
Ground, the height of V-type stiffening plate 6 support 8 position in cylinder sleeve, to be conducive to reinforce the rigidity of cylinder jacket, reduce cylinder jacket
Deformation.Bottom 3 is provided with U-shaped strengthening rib strip, so that body skirt section rigidity is stronger, deforms smaller, the intensity of body is into one
Step is reinforced, and can improve NVH performance.
In a preferred embodiment, the value range of the ratio of the height H2 of V-type stiffening plate and cylinder in V-arrangement body cylinder diameter
It is 3~5, the value range of the ratio of the thickness h 1 and cylinder diameter of V-type stiffening plate is 0.05~0.1.
In a preferred embodiment, the U-shaped strengthening rib strip height of bottom is 2~5 times of cylinder body skirt section thickness W4, and
And the value range of the ratio of cylinder body skirt section width W1 and cylinder diameter is 3~4.
In a preferred embodiment, the value range of the ratio of gantry height H5 and cylinder diameter of bottom is 1~2, dragon
The value range of the ratio of gate-width degree W2 and cylinder diameter is 2~3.
In a preferred embodiment, crankcase vent passage 7 there are two being opened up in V-type stiffening plate, two crankcases
Vent passages 7 are arranged symmetrically, and the value range of the ratio of crankcase vent passage height H3 and cylinder diameter is 3~4.
In a preferred embodiment, the value range of the ratio of cylinder in V-arrangement body height H1 and cylinder diameter is 4~5, V-type
The value range of the ratio of cylinder block width W3 and cylinder diameter is 6~8.
In a preferred embodiment, on the main bearing seat at the top of V-type the ratio of height H6 and cylinder diameter value range
It is 2~3.
The description of the aforementioned specific exemplary embodiment to the utility model is in order to illustrate and illustration purpose.These
Description is not wishing to for the utility model to be limited to disclosed precise forms, and it will be apparent that according to the above instruction, can carry out
It is many to change and change.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the utility model
And its practical application, so that those skilled in the art can be realized and utilize a variety of different 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 shapes
Formula is limited.
Claims (7)
1. a kind of cylinder in V-arrangement body structure for improving body rigidity and NVH performance, the cylinder in V-arrangement body structure includes cylinder in V-arrangement body
Ontology, which is characterized in that the cylinder in V-arrangement body ontology includes:
It include in multiple cylinders of two column arrangement of left and right at the top of V-type, at the top of the V-type, the cylinder is provided with cylinder jacket;
Multiple V-type stiffening plates, each V-type stiffening plate are set between two adjacent cylinders, and the V-type stiffening plate is along V
The width direction of type cylinder block extends to the inner wall of the V-type cylinder body ontology, and the height of the V-type stiffening plate reaches described
The medium position of cylinder jacket;And
Two bottoms, the bottom are provided with U-shaped strengthening rib strip.
2. cylinder in V-arrangement body structure as described in claim 1, which is characterized in that the height and cylinder in V-arrangement of the V-type stiffening plate
The value range of the ratio of body cylinder diameter is 3~5, and the value range of the thickness and the ratio of the cylinder diameter of the V-type stiffening plate is
0.05~0.1.
3. cylinder in V-arrangement body structure as claimed in claim 2, which is characterized in that the U-shaped strengthening rib strip height of the bottom is cylinder
2~5 times of body skirt section thickness, and the value range of the ratio of cylinder body skirt section width and the cylinder diameter is 3~4.
4. cylinder in V-arrangement body structure as claimed in claim 3, which is characterized in that gantry height of the bottom and the cylinder diameter
The value range of ratio be 1~2, the value range of the ratio of gantry width and the cylinder diameter is 2~3.
5. cylinder in V-arrangement body structure as claimed in claim 2, which is characterized in that crankshaft there are two being opened up in the V-type stiffening plate
Case vent passages, two crankcase vent passages are arranged symmetrically, the ratio of crankcase vent passage height and the cylinder diameter
Value range be 3~4.
6. cylinder in V-arrangement body structure as claimed in claim 2, which is characterized in that the ratio of cylinder in V-arrangement body height and the cylinder diameter
Value range be 4~5, the value range of the ratio of cylinder in V-arrangement body width and the cylinder diameter is 6~8.
7. cylinder in V-arrangement body structure as claimed in claim 2, which is characterized in that on the main bearing seat at the top of the V-type height with
The value range of the ratio of the cylinder diameter is 2~3.
Priority Applications (1)
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CN201920481016.7U CN209724505U (en) | 2019-04-10 | 2019-04-10 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
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CN201920481016.7U CN209724505U (en) | 2019-04-10 | 2019-04-10 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
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CN201920481016.7U Expired - Fee Related CN209724505U (en) | 2019-04-10 | 2019-04-10 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109899173A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
-
2019
- 2019-04-10 CN CN201920481016.7U patent/CN209724505U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109899173A (en) * | 2019-04-10 | 2019-06-18 | 广西玉柴机器股份有限公司 | Improve the cylinder in V-arrangement body structure of body rigidity and NVH performance |
CN109899173B (en) * | 2019-04-10 | 2022-06-07 | 广西玉柴机器股份有限公司 | V-shaped cylinder block structure capable of improving rigidity and NVH (noise, vibration and harshness) performance of engine body |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 |
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CF01 | Termination of patent right due to non-payment of annual fee |