CN202300678U - Engine cylinder body with open type water jacket - Google Patents
Engine cylinder body with open type water jacket Download PDFInfo
- Publication number
- CN202300678U CN202300678U CN2011204386366U CN201120438636U CN202300678U CN 202300678 U CN202300678 U CN 202300678U CN 2011204386366 U CN2011204386366 U CN 2011204386366U CN 201120438636 U CN201120438636 U CN 201120438636U CN 202300678 U CN202300678 U CN 202300678U
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- water jacket
- cylinder body
- cylinder
- partition
- water
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Abstract
The utility model relates to an engine cylinder body with an open type water jacket. The bottom surface of the cylinder body water jacket is sine wave-shaped, and a wave crest of the sine wave-shaped bottom surface of the cylinder body is positioned at the position adjacent to a bolt hole of a cylinder cover, and a wave trough of the sine wave-shaped bottom surface of the cylinder body is positioned at the position of a transverse centerline of a cylinder hole; a front water jacket clapboard is arranged in the cylinder body water jacket adjacent to the front end of the cylinder body, and a rear water jacket clapboard is arranged in the cylinder body water jacket adjacent to the rear end of the cylinder body; the front water jacket clapboard and the rear water jacket clapboard divide the cylinder body water jacket into a water inlet part and a water outlet part and are provided with more than two small holes; the cylinder body is provided with a water inlet communicated with the water inlet part of the cylinder body water jacket, and the middle part of the cylinder body is provided with a water outlet communicated with the water outlet part of the cylinder body water jacket. The engine cylinder body has the benefits that the strength of a bolt hole lug is improved; and as the front water jacket clapboard and the rear water jacket clapboard divide the cylinder body water jacket into the water inlet part and the water outlet part, the effect that cooling liquid in the cylinder body water jacket is directly introduced into the water jacket of the water outlet part of the cylinder body to be directly discharged is realized, the layout design of a cooling system is simplified, and the temperature of the cooling liquid when an engine is started is quickly raised.
Description
Technical field
The utility model relates to technical field of internal combustion engines; The jacket structure for water that relates to a kind of engine cylinder-body specifically; Under the situation about in satisfying cylinder, cooling off, increase cylinder bolt hole lug intensity, reduce the cylinder bolt pretightening force and cause the ess-strain in cylinder bore deformation and the cylinder body; For satisfying the exploitation of cooling system, through water jacket partition cylinder body water jacket is divided into two parts, technology is simple, uses reliable.
Background technique
Cylinder bolt hole on the engine cylinder-body generally is arranged in water-jacket outer wall, and in the process that cylinder bolt is tightened, its pretightening force can pass to the cylinder hole through the entity around the bolt hole, causes the distortion in cylinder hole.And the gross distortion in cylinder hole then can cause a series of adverse consequences, and wherein the most serious should be that piston ring packing is not tight, makes discharging abominable.Along with the raising of engine technology level, the firing pressure of motor increases day by day, and for satisfying the sealing between engine cylinder-body and the cylinder cap, this pretightening force for cylinder bolt requires increasingly high; And along with the raising day by day for emission request, more and more littler for the requirement of engine cylinder hole amount of deformation.
The water jacket of engine cylinder-body is divided into closed and open type.The cylinder bore deformation that the cylinder bolt pretightening force that can effectively reduce the open type water jacket causes, but the intensity of this structure cylinder bolt hole lug is weak link, and in the working procedure of motor, the cylinder bolt hole lug has the risk of being torn.The water intake of engine cylinder-body and cylinder cap water jacket generally is arranged on the cylinder body, and water outlet generally is arranged on the cylinder cap, and this introduces cooling liquid water pump and get into cylinder body water jacket again through pipeline with regard to needs.Such design both had been unfavorable for the fast rise of water temperature when motor has just started, and need arrange pipeline again, increased the layout difficulty and the cost of motor.
Summary of the invention
Raising day by day for reply engine performance and emission request; The main purpose of the utility model provides a kind of engine cylinder-body that improves the open type jacket structure for water; To satisfy under the situation about cooling off in the cylinder, increase cylinder bolt hole lug intensity, reduce cylinder bore deformation amount.Another purpose of the utility model is that cylinder body water jacket is divided into two parts, and promptly water inlet portion and water part guarantee that simultaneously when motor just started, there was an amount of coolant flow the water part.
Realize that the above-mentioned purpose technical solution is following:
Engine cylinder-body with open type water jacket comprises the cylinder body body, is being uniformly distributed with plural cylinder hole on the cylinder body body, is cylinder body water jacket around the cylinder hole, offers cylinder bolt hole on the bolt hole lug piece of cylinder body water jacket periphery; One side of cylinder body water jacket is being communicated with water intake, and improvement is:
The bottom surface of said cylinder body water jacket is sinusoidal wave shape wave;
Be provided with preceding water jacket partition in the cylinder body water jacket adjacent with cylinder body body front end cylinder hole, be provided with the back water jacket partition in the cylinder body water jacket adjacent with cylinder hole, cylinder body body rear end, preceding water jacket partition is divided into water inlet portion and water part with the back water jacket partition with cylinder body water jacket; Offer plural aperture respectively on preceding water jacket partition and the back water jacket partition;
The water intake of said cylinder body body one side is being communicated with the water inlet portion of cylinder body water jacket, and the middle part of said cylinder body body water inlet oral-lateral is provided with the water outlet of the water part that is communicated with cylinder body water jacket.
The crest of sinusoidal corrugated cylinder body water jacket bottom surface is positioned at and the cylinder bolt hole adjacent, and trough is positioned at the cross central line place in cylinder hole, and the cylinder body water jacket degree of depth (H1) at trough place is greater than the cylinder body water jacket degree of depth (H2) at crest place.
The cylinder body water jacket degree of depth (H2) at sinusoidal wave shape wave crest place is less than the height of thread (H3) of adjacent cylinder bolt hole.
Be interference fit between water jacket partition, back water jacket partition and the cylinder body water jacket before said; Before opening and the opening of back water jacket partition of water jacket partition cooperates with corresponding cylinder body water jacket inwall respectively, cooperate with corresponding cylinder body water jacket outer wall respectively outside the bending place of the outside, the bending place of preceding water jacket partition and back water jacket partition; Preceding water jacket partition and back water jacket partition are the stainless steel separator of angle steel shape; The width of the dual-side of preceding water jacket partition equates that with the width of the dual-side of back water jacket partition the width of preceding water jacket partition installation place equates with the width of water jacket partition installation place, back in the cylinder body water jacket; And under free state, the width of the width of preceding water jacket partition dual-side or back water jacket partition dual-side is greater than the width of preceding water jacket partition installation place in the cylinder body water jacket and water jacket partition installation place, back.
The side plate top, both sides of the side plate top, both sides of water jacket partition, back water jacket partition has plural aperture respectively before said, makes an amount of cooling liquid flow directly into the water part from water inlet portion.
Sinusoidal wavy shaped configuration is adopted in the cylinder body water jacket bottom surface of the utility model, is crest at the cylinder bolt hole place promptly, and is trough at the cross central line place in cylinder hole; Improved the intensity of cylinder bolt hole place lug piece, reduced in the working procedure of motor, the risk that cylinder bolt hole place lug piece is torn.
Cylinder body water jacket is divided into water inlet portion and water part; The water jacket of (when thermostat is not opened) cooling liquid in cylinder block and head flows when having realized the work of engine-cooling system short circle; And do not need to arrange in addition that pipeline is incorporated into the cooling liquid in the cylinder cap water jacket in the cylinder body water jacket; Simplified layout, and helped the fast rise of water temperature when motor just starts, so that motor enters into good working order faster.
The water jacket partition upper end of the utility model has aperture, and when just having started with the assurance motor, cooling liquid can get into the water part through this aperture, the cooling of assurance water part cylinder body this moment and piston assembly.Water jacket partition is the Thin Stainless Steel steel plate, has corrosion resistance and elasticity.Utilize the elasticity of water jacket partition, make it that back is installed and form interference fit, with fixing water jacket partition with water wall.
Through the partition of water jacket partition to water jacket, technology is simple, uses reliable.For cast iron housing, through casting method water jacket is divided into two-part, then technology difficulty is high.Reason is then to reduce the rigidity and the intensity of jacket core greatly if the jacket core of cast iron housing is divided into two-part, in casting process, can cause the skew even the fracture of jacket core.For the cast aluminium alloy cylinder body, though can directly in water jacket, leave the casting entity dividing plate to cut apart water jacket through the method for casting.Because of the process requirements of casting, the thickness of casting entity dividing plate can not be too small, so the local cooling effect here can be affected.
Description of drawings
Fig. 1 is the schematic top plan view of the utility model cylinder body.
Fig. 2 is the cylinder body water jacket axonometric drawing.
Fig. 3 is the cylinder body water jacket side view.
Fig. 4 is the A-A sectional view of Fig. 1.
Fig. 5 is the worm's eye view of Fig. 1.
Fig. 6 is the cylinder body plan view that is installed in water jacket partition.
Fig. 7 is the water jacket partition structural representation.
Fig. 8 is the B-B sectional view of Fig. 6.
Cylinder body water jacket 1, bolt hole lug piece 2, cylinder bolt hole 3, cylinder hole 4, water intake 5, water outlet 6, water inlet portion 7, water part 8, preceding water jacket partition 9.1, back water jacket partition 9.2, cylinder body body 10, aperture 11.
Embodiment
Following structure accompanying drawing is done detailed further explanation through embodiment to the utility model.
Embodiment:
Referring to Fig. 1, have on the cylinder body body 10 of engine cylinder-body of open type water jacket and be uniformly distributed with four cylinder holes 4, be cylinder body water jacket 1 around the cylinder hole 4, cylinder body water jacket 1 is whole open type.Offer cylinder bolt hole 3 on the bolt hole lug piece 2 of cylinder body water jacket 1 periphery; One side of cylinder body water jacket 1 is being communicated with water intake 5.
The bottom surface of said cylinder body water jacket 1 is sinusoidal wave shape wave, sees Fig. 2 and Fig. 3; The crest place of sinusoidal corrugated cylinder body water jacket bottom surface is positioned at and cylinder bolt hole 3 adjacents; Trough is positioned at the cross central line place in cylinder hole; The cylinder body water jacket degree of depth (H1) at trough place is greater than the cylinder body water jacket degree of depth (H2) at crest place; The cylinder body water jacket degree of depth (H2) at sinusoidal wave shape wave crest place is seen Fig. 4 less than the height of thread (H3) of adjacent cylinder bolt hole.During concrete the manufacturing; Reduce the height of sand core of water jacket in the cylinder body water jacket bottom at cylinder bolt hole 3 places, promptly in cylinder bolt hole 3 outer wall places, the bottom of increasing water jacket; Make bolt hole lug piece 2 and cylinder hole 4 outer walls couple together, promptly the water jacket bottom is higher than the cylinder bolt hole bottom.The 4 cross central line places in the cylinder hole, the water jacket degree of depth is darker, can guarantee the abundant cooling of piston ring.And at bolt hole lug piece 2 places, regional here less though the water jacket degree of depth is more shallow, and be between two cylinders, the cooling effect of piston ring can not influenced.Cylinder bolt hole 3 is connected with cylinder hole 4 outer walls, has effectively strengthened the intensity of cylinder bolt hole lug piece 2, has disperseed cylinder bolt pretightening force strain and stress herein.
Referring to Fig. 6; Water jacket partition 9.1 before being equipped with in the cylinder body water jacket 1 adjacent with the cylinder hole of cylinder body body 10 front ends 4; In the cylinder body water jacket 1 adjacent with the cylinder hole of cylinder body body 10 rear ends 4 back water jacket partition 9.2 is installed, preceding water jacket partition 9.1 is divided into water inlet portion 7 and water part 8 with back water jacket partition 9.2 with cylinder body water jacket 1; And be interference fit between preceding water jacket partition 9.1, back water jacket partition 9.2 and the cylinder body water jacket 1; The opening of water jacket partition cooperates with corresponding cylinder body water jacket inwall respectively with the opening of back water jacket partition promptly, and the outside, bending place of preceding water jacket partition cooperates with corresponding cylinder body water jacket outer wall respectively with the outside, bending place of back water jacket partition.Preceding water jacket partition 9.1 and back water jacket partition 9.2 are the stainless steel separator of angle steel shape, and thinner thickness has elasticity, utilizes its resiliently deformable, make itself and water wall form interference fit, fix to realize it.The width (W2) of the width of preceding water jacket partition 9.1 dual-sides and back water jacket partition 9.2 dual-sides equates that the width at preceding water jacket partition 9.1 places of installation is equal with the width (W1) that water jacket partition 9.2 places, back are installed in the cylinder body water jacket.Under free state, the width (W2) of the width of preceding water jacket partition 9.1 dual-sides and back water jacket partition 9.2 dual-sides is greater than the width and the width (W1) that water jacket partition place, back is installed at water jacket partition place before installing in the cylinder body water jacket.
Before offer the aperture 911 of two identical sizes respectively on the both sides side plate of water jacket partition 9.1 with on the back water jacket partition 9.2 both sides side plates, see Fig. 7 and Fig. 8, so that an amount of cooling liquid can flow directly into the water part from water inlet portion.
Referring to Fig. 5 and Fig. 6, the water intake 5 of cylinder body body 10 sides is being communicated with the water inlet portion 7 of cylinder body water jacket 1; Offer the water outlet 6 of the water part 8 that is communicated with cylinder body water jacket on the cylinder body body 10 of water intake 5 one sides.
The water (flow) direction of the utility model engine cylinder-body cylinder cap inner water sleeve is the water inlet portion 7 that flows into cylinder body water jacket 1 from the water intake 5 of cylinder body; Enter into cylinder cap water jacket 1 by water inlet portion 7; In cylinder cap water jacket 1, flow back into the water part 8 of cylinder body water jacket after the circulation, the water outlet 6 by cylinder body water jacket flows out at last.And an amount of cooling liquid need be arranged in the cylinder body front end and back end by water inlet portion 7 inflow water parts 8.
Claims (5)
1. the engine cylinder-body that has the open type water jacket comprises the cylinder body body, is being uniformly distributed with plural cylinder hole on the cylinder body body, is cylinder body water jacket around the cylinder hole, offers cylinder bolt hole on the bolt hole lug piece of cylinder body water jacket periphery; One side of cylinder body water jacket is being communicated with water intake, it is characterized in that:
The bottom surface of said cylinder body water jacket is sinusoidal wave shape wave;
Be provided with preceding water jacket partition in the cylinder body water jacket adjacent with cylinder body body front end cylinder hole, be provided with the back water jacket partition in the cylinder body water jacket adjacent with cylinder hole, cylinder body body rear end, preceding water jacket partition is divided into water inlet portion and water part with the back water jacket partition with cylinder body water jacket; Offer plural aperture respectively on preceding water jacket partition and the back water jacket partition;
The water intake of said cylinder body body one side is being communicated with the water inlet portion of cylinder body water jacket, and the middle part of said cylinder body body water inlet oral-lateral is provided with the water outlet of the water part that is communicated with cylinder body water jacket.
2. the engine cylinder-body with open type water jacket according to claim 1; It is characterized in that: the crest of sinusoidal corrugated cylinder body water jacket bottom surface is positioned at and the cylinder bolt hole adjacent; Trough is positioned at the cross central line place in cylinder hole, and the cylinder body water jacket depth H 1 at trough place is greater than the cylinder body water jacket depth H 2 at crest place.
3. the engine cylinder-body with open type water jacket according to claim 1 is characterized in that: the cylinder body water jacket depth H 2 at sinusoidal wave shape wave crest place is less than the height of thread H3 of adjacent cylinder bolt hole.
4. the engine cylinder-body with open type water jacket according to claim 1; It is characterized in that: be interference fit between water jacket partition, back water jacket partition and the cylinder body water jacket before said; Before opening and the opening of back water jacket partition of water jacket partition cooperates with corresponding cylinder body water jacket inwall respectively, cooperate with corresponding cylinder body water jacket outer wall respectively outside the bending place of the outside, the bending place of preceding water jacket partition and back water jacket partition; Preceding water jacket partition and back water jacket partition are the stainless steel separator of angle steel shape; The width of the dual-side of preceding water jacket partition equates that with the width of the dual-side of back water jacket partition the width of preceding water jacket partition installation place equates with the width of water jacket partition installation place, back in the cylinder body water jacket; And under free state, the width of the width of preceding water jacket partition dual-side or back water jacket partition dual-side is greater than the width of preceding water jacket partition installation place in the cylinder body water jacket and water jacket partition installation place, back.
5. the engine cylinder-body with open type water jacket according to claim 1; It is characterized in that: the side plate top, both sides of the side plate top, both sides of water jacket partition, back water jacket partition has plural aperture respectively before said, makes an amount of cooling liquid flow directly into the water part from water inlet portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204386366U CN202300678U (en) | 2011-11-08 | 2011-11-08 | Engine cylinder body with open type water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204386366U CN202300678U (en) | 2011-11-08 | 2011-11-08 | Engine cylinder body with open type water jacket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202300678U true CN202300678U (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204386366U Expired - Fee Related CN202300678U (en) | 2011-11-08 | 2011-11-08 | Engine cylinder body with open type water jacket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202300678U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352799A (en) * | 2011-11-08 | 2012-02-15 | 安徽江淮汽车股份有限公司 | Engine cylinder body with open-type water jacket |
| CN104775928A (en) * | 2015-04-27 | 2015-07-15 | 奇瑞汽车股份有限公司 | Water jacket structure for cylinder block and engine cylinder block |
| CN109057983A (en) * | 2018-09-26 | 2018-12-21 | 潍柴动力股份有限公司 | Engine and its body |
| CN110905679A (en) * | 2019-12-02 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Water jacket partition plate of engine |
| CN111692004A (en) * | 2020-05-21 | 2020-09-22 | 东风柳州汽车有限公司 | Engine and cylinder body water jacket thereof |
-
2011
- 2011-11-08 CN CN2011204386366U patent/CN202300678U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102352799A (en) * | 2011-11-08 | 2012-02-15 | 安徽江淮汽车股份有限公司 | Engine cylinder body with open-type water jacket |
| CN104775928A (en) * | 2015-04-27 | 2015-07-15 | 奇瑞汽车股份有限公司 | Water jacket structure for cylinder block and engine cylinder block |
| CN109057983A (en) * | 2018-09-26 | 2018-12-21 | 潍柴动力股份有限公司 | Engine and its body |
| CN110905679A (en) * | 2019-12-02 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Water jacket partition plate of engine |
| CN110905679B (en) * | 2019-12-02 | 2021-01-05 | 安徽江淮汽车集团股份有限公司 | Water jacket partition plate of engine |
| CN111692004A (en) * | 2020-05-21 | 2020-09-22 | 东风柳州汽车有限公司 | Engine and cylinder body water jacket thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The East Road in Baohe District of Hefei city of Anhui Province, No. 176 230022 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: The East Road in Baohe District of Hefei city of Anhui Province, No. 176 230022 Patentee before: Anhui Jianghuai Automotive Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20201108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |