CN203856594U - Internal combustion engine, cylinder body thereof and cooling water channel - Google Patents
Internal combustion engine, cylinder body thereof and cooling water channel Download PDFInfo
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- CN203856594U CN203856594U CN201420050319.0U CN201420050319U CN203856594U CN 203856594 U CN203856594 U CN 203856594U CN 201420050319 U CN201420050319 U CN 201420050319U CN 203856594 U CN203856594 U CN 203856594U
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- water channel
- cylinder
- cooling water
- hole
- main body
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Abstract
The utility model discloses an internal combustion engine, a cylinder body thereof and a cooling water channel. The cooling water channel comprises a main body arranged around cylinder holes of the cylinder body, wherein a plurality of water channel cavities corresponding to the cylinder holes are formed in the two sides of the main body; first bolt holes and first connecting holes are formed in fillets, between every two adjacent cylinder holes, of the main body; the water channel cavities are communicated to form a water channel through the first connecting holes; the first bolt holes are formed above the first connecting holes; first reinforcing ribs which extend inwards and outwards are arranged between the first bolt holes and the first connecting holes; the inner and outer sides of the first reinforcing ribs are connected with the main body. Therefore, the stress of bolts in the first bolt holes can be inwards and outwards transmitted to the main body through the first reinforcing ribs to be prevented from being concentrated. The positions of the first connecting holes can be close to the centers of the cylinder holes, so that the volume of the water channel is enlarged. After the positions of the first connecting holes are close to the centers of the cylinder holes, the lateral dimension of the water channel can also be reduced under the condition of ensuring that the cross sectional area of the water channel is unchanged, and the production cost is lowered.
Description
Technical field
The utility model relates to technical field of engines, relates in particular to a kind of internal-combustion engine and cylinder body thereof, cooling water channel.
Background technique
Internal-combustion engine can discharge a large amount of heats in the course of the work, makes the heat load of heating part very high.In order to ensure that these heating parts can normally work, the heat transfer problem that solves heating part is most important.
For the cylinder body of the critical component that is heated, conventionally around cylinder hole, cooling water channel is set, take away the heat of cylinder body by cooling liquid mobile in water channel.Water channel is point external and built-in two kinds in current diesel engine.External water channel needs design separately, processing, and built-in water passage is present more conventional project organization, directly at cylinder body direct casting water outlet, and the good and bad heat dispersion that directly affects cylinder body of the structure of water channel.
As depicted in figs. 1 and 2, Fig. 1 is the structural representation of the cylinder body with built-in water passage more common in prior art; Fig. 2 is along the plan view after cylinder body shown in the horizontal cut away view 1 in water channel chamber middle part; Fig. 3 be cylinder body shown in Fig. 2 A-A to water channel and the side sectional view of bolt hole; Briefly introduce the defect of its structure and existence thereof below.
In prior art, as depicted in figs. 1 and 2, this water channel comprise be located at the main body 1 in cylinder hole 100 ' around ', main body 1 ' both sides be provided with the water channel chamber 21 in multiple and cylinder hole 100 ' corresponding ' and bolt hole 3 ', multiple water channels chamber 21 ' by the attachment hole 22 between the two ' be interconnected form whole cyclic water channel 2 ', cooling liquid water channel 2 ' in circulate, take away the heat of cylinder surface.Bolt hole 3 ' for the bolt that connects cylinder body and cylinder cap is installed.
As shown in Figure 3, in order to ensure that bolt does not occur that on direction of transfer stress concentrates, need to meet bolt lug (main body 1 ' above arrange bolt hole 3 ' part) and not cut off at the length direction of cylinder body.Therefore, bolt hole 3 ' extend downwardly into water channel 2 ' bottom, the bottom of each bolt lug links into an integrated entity.
Adopt this structure, bolt connect the stress that produces can going down to the bottom of bolt lug, then by main body 1 ' effectively disperse, avoid producing stress and concentrate, the working stability of guarantee internal-combustion engine.But, the bolt hole 3 of this structure ' taken larger space, make water channel 2 ' volume less, affected the heat-exchange performance of internal-combustion engine.
In view of this, urgently for above-mentioned technical problem, optimize the water channel of cylinder body of the prior art, avoiding under the concentrated prerequisite of stress, increase the volume of water channel, and reduce the weight of cylinder body.
Model utility content
The purpose of this utility model is for providing a kind of internal-combustion engine and cylinder body thereof, cooling water channel, this cooling water channel is by setting up and down the attachment hole of bolt hole and water channel, and stiffening rib is set between the two, avoiding under the concentrated prerequisite of stress, increase the volume of cooling water channel, ensured internal combustion engine stability.
For solving the problems of the technologies described above, the utility model provides a kind of cooling water channel of internal combustion engine cylinders, comprise the main body around of cylinder hole of being located at cylinder body, main body both sides are provided with multiple water channel chambeies corresponding with cylinder hole, the fillet place of main body between every adjacent two cylinder holes is provided with the first bolt hole and the first attachment hole, and multiple water channels chamber is communicated with and is become water channel by multiple the first attachment holes; The first bolt hole is located at the top of the first attachment hole, and between the first bolt hole and the first attachment hole, is provided with the first stiffening rib of interior extension, and inner side, the outside of the first stiffening rib are connected with main body.
Adopt this structure, in the joint in every adjacent two water channel chambeies, the stress that is installed on the bolt generation in the first bolt hole can inwardly, outwards be passed to main body by the first stiffening rib of its bottom, effectively disperses by main body, avoids producing stress in the position of the first bolt hole and concentrates.Compared with prior art, because the first bolt hole is without the bottom that extends downward main body, the space taking is smaller, therefore further Xiang Gangkong center is close in the position of the first attachment hole, increase the volume of water channel, improve the heat-exchange performance of cylinder body, and alleviate the weight of cylinder body.By the Xiang Gangkong center, position of the first attachment hole near after, can also ensure, in situation that the cross-section area of water channel is constant, to shorten the cross-section area of water channel, effectively reduce the Outside Dimensions of main body, arrange more spaces be provided for complete machine.As can be seen here, the cooling water channel of said structure can avoided under the concentrated prerequisite of stress, increases the volume of water channel, strengthens cooling effect, reduces the weight of cylinder body.
Preferably, described water channel chamber is divided into the first chamber and the second chamber at the length direction of cylinder body, between the two, be communicated with by the second attachment hole, the top of described the second attachment hole is provided with the second bolt hole, between the second bolt hole and the second attachment hole, be also provided with the second stiffening rib of interior extension, inner side, the outside of the second stiffening rib are connected with main body.
Preferably, the cross section of described the first stiffening rib, the second stiffening rib is arch, and described arch is from top to bottom gradually to the diffusion of inside and outside both sides.
Preferably, described water channel is provided with the first lug boss of outwardly convex in the corresponding part in cylinder hole, at inwardly protruded the second lug boss in the corresponding part of fillet, and described water channel entirety is sine wave shape.
Preferably, the scope of the angle that tangent line is of the two side of described the second lug boss is 20 °～70 °.
Preferably, the crooked radian of described the first lug boss is identical with the radian of cylinder hole inwall.
The utility model also provides a kind of cylinder body, comprises cylinder hole and is located at cylinder hole cooling water channel around; Described cooling water channel adopts structure as above, and described cooling water channel is built in described cylinder body.
The utility model also provides a kind of internal-combustion engine, comprises cylinder body and cylinder cap; Described cylinder body adopts structure as above, and described cylinder block and cylinder cover is bolted.
Because above-mentioned cooling water channel has as above technique effect, therefore, comprise this water channel cylinder body, comprise that the internal-combustion engine of this cylinder body all should have identical technique effect, does not repeat them here.
Brief description of the drawings
Fig. 1 is the structural representation in prior art with the cylinder body of built-in water passage;
Fig. 2 is along the plan view after cylinder body shown in the horizontal cut away view 1 in water channel chamber middle part;
Fig. 3 be cylinder body shown in Fig. 2 along A-A to water channel and the side sectional view of bolt hole;
Fig. 4 is for having a kind of structural representation of embodiment of cylinder body of cooling water channel that the utility model provides;
Fig. 5 is along the plan view after cylinder body shown in the first stiffening rib place horizontal plane cut away view 4;
Fig. 6 be cylinder body shown in Fig. 4 along B-B to water channel and the side sectional view at bolt hole place.
In Fig. 1 to Fig. 3:
Main body 1 ';
Water channel 2 '; Water channel chamber 21 '; Attachment hole 22 ';
Bolt hole 3 ';
Cylinder hole 100 ';
In Fig. 4 to Fig. 6:
Main body 1;
Water channel 2; Water channel chamber 21; The first chamber 211; The second chamber 212; The first attachment hole 22; The first lug boss 221; The second lug boss 222;
The first bolt hole 31; The second bolt hole 32;
The first stiffening rib 41; The second stiffening rib 42;
Cylinder hole 100.
Embodiment
Core of the present utility model is for providing a kind of internal-combustion engine and cylinder body thereof, cooling water channel, the bolt hole of this cooling water channel and the attachment hole of water channel are setting up and down, are provided with stiffening rib between the two, have both effectively disperseed bolt stress, can increase again the volume of water channel, improve the heat-exchange performance of internal-combustion engine.
In order to make those skilled in the art understand better the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
It should be noted that, the noun of locality " outward " herein refers to the direction along the width direction of cylinder body from sensing both sides, center, in Fig. 5 by cylinder Kong100 center upwards, downward direction; " interior " refers to the direction along the width direction of cylinder body from sensing center, both sides, in Fig. 5 by upper and lower direction of vertically drawing close to Gang Kong 100 centers; Should be appreciated that these nouns of locality set up taking Figure of description as benchmark, their appearance should not affect protection domain of the present utility model.
Please refer to Fig. 4 to Fig. 6, Fig. 4 is for having a kind of structural representation of embodiment of cylinder body of cooling water channel that the utility model provides; Fig. 5 is along the plan view after cylinder body shown in the first stiffening rib 41 place horizontal plane cut away view 4; Fig. 6 be cylinder body shown in Fig. 4 along B-B to water channel 2 and the side sectional view at bolt hole place.
In a kind of embodiment, as shown in Figure 4 and Figure 5, the utility model provides a kind of cooling water channel of internal combustion engine cylinders, this cooling water channel comprises the main body 1 around the cylinder hole 100 of being located at cylinder body, main body 1 both sides are provided with multiple water channel chambeies 21 corresponding with cylinder hole 100, the fillet place of main body 1 between adjacent two cylinder holes 100 is provided with the first bolt hole 31 and the first attachment hole 22, and multiple water channels chamber 21 is communicated with successively by multiple the first attachment holes 22, becomes overall water channel 2.In working procedure, take away the heat of cylinder body by the cooling liquid circulating in water channel 2, play cooling effect.As shown in Figure 6, the fillet place connecting in two cylinder holes 100, the first bolt hole 31 is located at the top of the first attachment hole 22, and the inner side, the outside that between the first bolt hole 31 and the first attachment hole 22, are provided with the first stiffening rib 41, the first stiffening ribs 41 of interior extension are connected with main body 1.
Adopt this structure, in the joint in every adjacent two water channel chambeies 21, the stress that is installed on the bolt generation in the first bolt hole 31 can inwardly, outwards be passed to main body 1 by the first stiffening rib 41 of its bottom, effectively disperse by main body 1, avoid producing stress in the position of the first bolt hole 31 and concentrate.Compared with prior art, because the first bolt hole 31 is without the bottom that extends downward main body 1, the space taking is smaller, therefore the position of the first attachment hole 22 can be further close to Gang Kong 100 centers, increase the volume of water channel 2, improve the heat-exchange performance of cylinder body, and alleviate the weight of water channel, reduce cost of production.By the Xiang Gang Kong100 center, position of the first attachment hole 22 near after, can also ensure, in situation that the cross-section area of water channel 2 is constant, to shorten the cross-section area of water channel, effectively reduce the Outside Dimensions of main body 1, arrange more spaces be provided for complete machine.
As can be seen here, the cooling water channel of said structure can avoided under the concentrated prerequisite of stress, increases the volume of water channel 2, strengthens cooling effect, reduces the weight of main body 1.
In another kind of embodiment, as shown in Figure 5, above-mentioned water channel chamber 21 is divided into the first chamber 211 and the second chamber 212 at the length direction of cylinder body, between the two, be provided with the second attachment hole, the top of described the second attachment hole is provided with the second bolt hole 32, the inner side, the outside that between the second bolt hole 32 and the second attachment hole, are also provided with the second stiffening rib 42, the second stiffening ribs 42 of interior extension are connected with main body 1.
Identical with the effect of above-mentioned mode of execution, adopt this structure, at the middle part in each water channel chamber 21, the stress that is installed on the bolt generation in the second bolt hole 32 can inwardly, outwards be passed to main body 1 by the second stiffening rib 42 of its bottom, effectively disperse, avoid producing stress in the position of the second bolt hole 32 and concentrate.Compared with prior art, because the second bolt hole 32 is without the bottom that extends downward main body 1, the space taking is smaller, therefore the position of the second attachment hole can be further close to Gang Kong 100 centers, increase the volume of water channel 2, improve the heat-exchange performance of cylinder body, and alleviate the weight of water channel, reduce cost of production.By the Xiang Gang Kong100 center, position of the second attachment hole near after, can also ensure, in situation that the cross-section area of water channel 2 is constant, to shorten the cross-section area of water channel, effectively reduce the Outside Dimensions of main body 1, arrange more spaces be provided for complete machine.
Further, in scheme, the cross section of above-mentioned the first stiffening rib 41, the second stiffening rib 42 can be arch, and described arch is from top to bottom gradually to the diffusion of inside and outside both sides.
Adopt this structure, the stress inwall that can be dispersed to main body 1 and water channel chamber 21 to both sides by the madial wall of the first stiffening rib 41 of arch, the second stiffening rib 42, outer side wall that bolt produces, strengthens the safety coefficient of main body 1 greatly.
Can expect, the shape of above-mentioned the first stiffening rib 41, the second stiffening rib 42 is not limited in arch, can also be set to other shapes.For example, two stiffening ribs are set to bulk, so that the stress of bolt is dispersed to the outside of main body 1 by block stiffening rib, the effect of this stiffening rib dispersive stress is slightly poor.
In another kind of embodiment, above-mentioned water channel 2 is provided with the first lug boss 221 of outwardly convex in the corresponding part in cylinder hole 100, at inwardly protruded the second lug boss 222 in the corresponding part of fillet, and described water channel 2 entirety are sine wave shape.
Adopt this structure, the first lug boss 221 is similar to cylinder hole 100 outer walls of cylinder body, the second lug boss 222 makes full use of two fillet positions between cylinder hole 100, the water channel 2 of this shape is rational in infrastructure, can in the situation that water channel cross section is certain, further expand the volume of water channel 2, ensure the heat-exchange performance of cylinder body.
Further, in scheme, as shown in Figure 5, the scope of the angle theta that tangent line is of the two side of the second lug boss 222 described above is 20 °～70 °.
Above-mentioned angle theta is less, and the volume of water channel 2 is larger, but the too small working stability that can affect two cylinder holes 100 of angle.Adopt above-mentioned angular range, can ensure that water channel 2 has larger volume, can not damage again the stability in two cylinder holes 100.
Particularly, this angle can be 25 ° or 65 °.Certainly, angle that the tangent line of the two side of the second lug boss 222 is can also be other values.
In scheme, the crooked radian of the first lug boss 221 is identical with the radian of cylinder hole 100 inwalls more specifically.Like this, not only make water channel 2 volumes larger, also make the thickness of cylinder hole 100 outer walls keep evenly, further ensureing the working stability of cylinder body.
The utility model also provides a kind of cylinder body, comprises cylinder hole 100 and is located at cylinder hole 100 cooling water channel around; Described cooling water channel adopts said structure, and described cooling water channel is built in described cylinder body.
Because above-mentioned cooling water channel has as above technique effect, therefore, comprise that the cylinder body of this cooling water channel also should have identical technique effect.Adopt cooling water channel built-in structure, the cylinder body of cooling water channel and internal-combustion engine is one-body molded, and water channel 2 is directly opened on cylinder body, and that this structure has advantages of is simple in structure, prevent seepage.
In addition the utility model also provides a kind of internal-combustion engine, comprises cylinder body and cylinder cap; Described cylinder body adopts said structure, and described cylinder block and cylinder cover is bolted.
Because above-mentioned cylinder body has as above technique effect, therefore, comprise that the internal-combustion engine of this cylinder body also should have identical technique effect, do not repeat them here.
Above a kind of internal-combustion engine provided by the utility model and cylinder body thereof, cooling water channel are described in detail.Applied specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. the cooling water channel of an internal combustion engine cylinders, comprise the main body (1) around of cylinder hole (100) of being located at cylinder body, main body (1) both sides are provided with multiple water channel chambeies (21) corresponding with cylinder hole (100), the fillet place of main body (1) between every adjacent two cylinder holes (100) is provided with the first bolt hole (31) and the first attachment hole (22), and multiple water channels chamber (21) is communicated with and is become water channel (2) by multiple the first attachment holes (22); It is characterized in that, the first bolt hole (31) is located at the top of the first attachment hole (22), and between the first bolt hole (31) and the first attachment hole (22), be provided with first stiffening rib (41) of interior extension, inner side, the outside of the first stiffening rib (41) are connected with main body (1).
2. the cooling water channel of internal combustion engine cylinders according to claim 1, it is characterized in that, described water channel chamber (21) is divided into the first chamber (211) and the second chamber (212) at the length direction of cylinder body, between the two, be communicated with by the second attachment hole, the top of described the second attachment hole is provided with the second bolt hole (32), between the second bolt hole (32) and the second attachment hole, be also provided with second stiffening rib (42) of interior extension, inner side, the outside of the second stiffening rib (42) are connected with main body (1).
3. the cooling water channel of internal combustion engine cylinders according to claim 2, is characterized in that, the cross section of described the first stiffening rib (41), the second stiffening rib (42) is arch, and described arch is from top to bottom gradually to the diffusion of inside and outside both sides.
4. the cooling water channel of internal combustion engine cylinders according to claim 3, it is characterized in that, described water channel (2) is provided with first lug boss (221) of outwardly convex, inwardly protruded the second lug boss in corresponding part (222) at fillet in the corresponding part of cylinder hole (100), described water channel (2) entirety is sine wave shape.
5. the cooling water channel of internal combustion engine cylinders according to claim 4, is characterized in that, the scope of the angle that tangent line is of the two side of described the second lug boss (222) is 20 °～70 °.
6. the cooling water channel of internal combustion engine cylinders according to claim 4, is characterized in that, the crooked radian of described the first lug boss (221) is identical with the radian of cylinder hole (100) inwall.
7. a cylinder body, comprises cylinder hole (100) and is located at cylinder hole (100) cooling water channel around; It is characterized in that, described cooling water channel adopts the cooling water channel as described in claim 1-6 any one, and described cooling water channel is built in described cylinder body.
8. an internal-combustion engine, comprises cylinder body and cylinder cap; It is characterized in that, described cylinder body adopts cylinder body as claimed in claim 7, and described cylinder block and cylinder cover is bolted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050319.0U CN203856594U (en) | 2014-01-26 | 2014-01-26 | Internal combustion engine, cylinder body thereof and cooling water channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050319.0U CN203856594U (en) | 2014-01-26 | 2014-01-26 | Internal combustion engine, cylinder body thereof and cooling water channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856594U true CN203856594U (en) | 2014-10-01 |
Family
ID=51606451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050319.0U Withdrawn - After Issue CN203856594U (en) | 2014-01-26 | 2014-01-26 | Internal combustion engine, cylinder body thereof and cooling water channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758651A (en) * | 2014-01-26 | 2014-04-30 | 潍柴动力股份有限公司 | Internal combustion engine and cylinder and cooling water channel thereof |
| CN106321272A (en) * | 2016-11-08 | 2017-01-11 | 广西玉柴机器股份有限公司 | Cylinder body of multi-cylinder diesel engine |
-
2014
- 2014-01-26 CN CN201420050319.0U patent/CN203856594U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758651A (en) * | 2014-01-26 | 2014-04-30 | 潍柴动力股份有限公司 | Internal combustion engine and cylinder and cooling water channel thereof |
| CN103758651B (en) * | 2014-01-26 | 2016-06-08 | 潍柴动力股份有限公司 | A kind of internal combustion engine and cylinder body, cooling water channel |
| CN106321272A (en) * | 2016-11-08 | 2017-01-11 | 广西玉柴机器股份有限公司 | Cylinder body of multi-cylinder diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141001 Effective date of abandoning: 20160608 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |