CN203906107U - Combined type air cylinder cover and internal combustion engine body - Google Patents
Combined type air cylinder cover and internal combustion engine body Download PDFInfo
- Publication number
- CN203906107U CN203906107U CN201420231027.7U CN201420231027U CN203906107U CN 203906107 U CN203906107 U CN 203906107U CN 201420231027 U CN201420231027 U CN 201420231027U CN 203906107 U CN203906107 U CN 203906107U
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- Prior art keywords
- cylinder
- combined
- crankcase
- hole
- lid
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- Withdrawn - After Issue
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Abstract
The utility model discloses a combined type air cylinder cover and an internal combustion engine body. The combined type air cylinder is provided with an air inlet channel, an air exhaust channel and an oil atomizer installation hole. The composite air cylinder cover also integrates a cam shaft hole, a tappet hole and an air cylinder hole; the cam shaft hole and the tappet hole are formed in the same side of the combined type air cylinder cover; the air cylinder hole is formed in the middle of the combined type air cylinder cover; the combined type air cylinder cover can be directly installed on a crankcase to enable a piston to be directly extend into the air cylinder hole to perform reciprocating action. The internal combustion engine body comprises the above combined type air cylinder cover and the crankcase. The combined type air cylinder cover and the internal combustion engine body can radically prevent faults of cylinder gasket and cylinder gasket combustion of a traditional cylinder cover structure, meanwhile change a complex structure of a cooling water chamber inside the cylinder cover and are simplified in structure and low in manufacturing requirements.
Description
Technical field
The utility model relates to field of internal combustion engine, particularly the body of a kind of Combined cylinder lid and internal-combustion engine.
Background technique
Cylinder head is a key components and parts of conventional internal combustion, and it forms the basic framework of internal-combustion engine together with cylinder block, cylinder liner.Particularly, cylinder head is installed on cylinder block by cylinder head bolt, cylinder liner is installed on the cylinder-bore central (cylinder-bore of the internal-combustion engine having is for directly installing piston) of cylinder block, cylinder head and piston, cylinder liner form the firing chamber of internal-combustion engine, piston is reciprocating in cylinder liner, and distribution device and cover cap are installed above cylinder head.Traditional cylinder head is generally a housing structure, the water jacket cavity in casing with air flue, valve mounting structure, cylinder head bolt hole pillar, oilhole pillar, pore pillar and these structure peripheries, during internal combustion engine, water jacket cavity is full of cooling liquid, valve and air valve seat ring, cylinder head base plate is carried out necessary cooling.Meanwhile, also have cooling liquid around piston, piston ring are carried out necessary cooling around cylinder liner or cylinder-bore, cooling liquid, lubricant oil and crankcase waste gas circulate between cylinder head, cylinder block.So, between cylinder head and cylinder block, adopt head gasket sealed high pressure high-temperature fuel gas, lubricant oil, cooling liquid and crankcase waste gas, cylinder head and cylinder block are fastening by cylinder head bolt, and cylinder head bolt is screwed into cylinder block from cylinder head end face through cylinder head and head gasket.
Gas high-temperature high-voltage alternating due to firing chamber, very high to the seal request between cylinder head and cylinder block, traditional cylinder head is in order to guarantee sealing, generally all around cylinder hole, arrange many cylinder head bolt holes around, cylinder liner should be protruded cylinder block end face after installing, and the strictly control of this bulge quantity, the necessary thickness of strict control cylinder pad and the screw-down torque of cylinder head bolt, allow head gasket be subject to enough pressure to guarantee that sealing is reliably in addition.
But in technique scheme, in order to guarantee sealing, many cylinder head bolt holes are arranged around in cylinder hole, must cause cylinder head internal structure complicated, casting difficulty, manufacture cost is high, and the cooling effect of ridge area is affected.Also have, the thickness of head gasket, cylinder liner are protruded the height of cylinder block end face and the screw-down torque of cylinder head bolt and manufacturing technology, process engineering are required very high, are difficult to avoid rushing that cylinder pad causes leaking gas, leaks, oil leakage fault.
The information that is disclosed in this background technique part is only intended to increase the understanding to general background of the present utility model, and should not be regarded as admitting or imply that in any form this information structure has been the known prior art of persons skilled in the art.
Model utility content
The purpose of this utility model is to provide the body of a kind of Combined cylinder lid and internal-combustion engine, can eliminate traditional combustion engine and rush cylinder pad and cylinder pad ablation fault; By reducing the quantity of cylinder head bolt, make the manufacture summary of cylinder head, reduce manufacture cost; Can also improve the cooling of cylinder head ridge area, improve the reliability of cylinder head.
For achieving the above object, the utility model provides a kind of Combined cylinder lid, this Combined cylinder lid has intake duct, air outlet flue, mounting hole of oil sprayer, Combined cylinder lid is also integrated with camshaft hole, tappet hole and cylinder-bore, camshaft hole and tappet hole are located at the same side of Combined cylinder lid, cylinder-bore is located at the neutral position of Combined cylinder lid, and Combined cylinder lid can be directly installed on crankcase and make piston can directly stretch into reciprocating action in cylinder-bore.
Preferably, near the Combined cylinder cap position of cylinder-bore, being provided with cylinder head bolt is used for being fastenedly connected with crankcase.
Preferably, the bottom periphery that Combined cylinder covers is provided with connecting bolt and is used for being fastenedly connected with the periphery, upper end of crankcase.
Preferably, the upper-end surface of the bottom end float chamber of Combined cylinder lid is provided with the groove for filling sealed glue.
Preferably, the position, top of Combined cylinder lid is provided with cylinder head jacket.
Preferably, cylinder-bore is provided with cylinder hole water jacket around.
The utility model also provides a kind of body of internal-combustion engine, it comprises Combined cylinder lid as above and crankcase, Combined cylinder lid is directly installed on the upper end of crankcase, the upper end portion of crankcase and cylinder-bore corresponding position are provided with cylinder hole extension part, and the cylinder-bore that Combined cylinder covers and cylinder hole extension part form body cylinder-bore.
Preferably, in body cylinder-bore, be provided with cylinder liner, the cylinder-bore that the upper end part of cylinder liner covers with Combined cylinder coordinates, the end portion of cylinder liner coordinates with cylinder hole extension part, and the bottom outer wall of cylinder liner has interior step, the inwall of cylinder hole extension part has inwardly protruded support shoulders, and support shoulders is connected on interior step cylinder liner axially locating.
The utility model also provides a kind of body of internal-combustion engine, it comprises Combined cylinder lid as above and crankcase, the both sides, bottom of Combined cylinder lid have respectively adpting flange, and position, both sides, upper end and the adpting flange of crankcase are fixed by connecting bolt; Crankcase inside has cylinder head bolt lug and bolt of bearing cap lug, and cylinder head bolt lug is connected by lacing wire with bolt of bearing cap lug.
Preferably, Combined cylinder lid is provided with locating stud with the joint of crankcase.
Compared with prior art, the utlity model has following beneficial effect: this Combined cylinder lid is integrated in the part body in traditional cylinder block in cylinder head, can fundamentally stop " rushing cylinder pad " and the cylinder pad ablation fault of traditional air cylinder head structure; This Combined cylinder lid is fastenedly connected by the periphery, upper end of the connecting bolt at bottom periphery and crankcase, can reduce the quantity that Combined cylinder covers inner cylinder head bolt, change the labyrinth of the cooling water chamber of cylinder head inside, guarantee that the water of ridge area around and around cylinder hole flows out more smooth and easy, can improve the cooling effect of cylinder head, improve the reliability of internal-combustion engine; This Combined cylinder lid can be directly installed on crankcase, and the cylinder liner construction of its use is simplified, and manufacture, assembly technical requirement reduce, and effectively reduce the manufacture cost of internal-combustion engine.
Accompanying drawing explanation
Fig. 1 is arranged on the structural representation on crankcase according to Combined cylinder lid of the present utility model;
Fig. 2 is that B in Fig. 1 is to schematic diagram;
Fig. 3 is the sectional view along A-A direction in Fig. 1;
Fig. 4 is the sectional view along C-C direction in Fig. 3.
Main description of reference numerals:
1-Combined cylinder lid, 2-intake duct, 3-cylinder liner, 4-connecting bolt, 5-groove, 6-main oil gallery, 7-cylinder head bolt lug, 8-lacing wire, 9-bolt of bearing cap lug, 10-crankcase, 11-bearing cap, 12-main bearing hole, 13-bolt of bearing cap, 14-camshaft hole, 15-tappet hole, 16-air outlet flue, 17-mounting hole of oil sprayer, 18-cylinder head bolt, 19-cylinder-bore, 20-cylinder hole extension part, 21-supports shoulder, 22-locating stud, 23-cylinder head jacket, 24-clearance for expansion, 25-cylinder hole water jacket.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
Unless separately there is other clearly to represent, otherwise in whole specification and claims, term " comprises " or its conversion was stated being understood to include as " comprising " or " including " etc. element or constituent element, and do not get rid of other element or other constituent element.
Embodiment 1
As shown in Figure 1, according to the Combined cylinder lid 1 of the utility model embodiment, can be directly installed on crankcase 10, form the body of internal-combustion engine, piston in crankcase 10 can directly stretch into the interior reciprocating action of cylinder-bore 19, all intake duct 2, air outlet flue 16, mounting hole of oil sprayer 17, cylinder head jacket 23 and the valve mounting structure (not shown)s of traditional cylinder head that this Combined cylinder lid 1 is own integrated, valve mounting structure can be existing structure, is fixed on the top of this Combined cylinder lid 1.Also integrated in addition cylinder-bore 19, cylinder hole water jacket 25, camshaft hole 14 and tappet hole 15 (referring to Fig. 4).In the present embodiment, intake duct 2 and air outlet flue 16 are located at the both sides of cylinder cap upper end, and mounting hole of oil sprayer 17 is located at the neutral position of cylinder cap upper end and aims at cylinder-bore 19, and camshaft hole 14 and tappet hole 15 are located at the same side of cylinder cap, and camshaft hole 14 is communicated with crankcase 10.Preferably, the Combined cylinder lid 1 that the present embodiment provides can also comprise cylinder liner 3, and cylinder liner 3 is arranged in cylinder-bore 19 (with reference to Fig. 1), and Fig. 1 illustrates a kind of mode that is used in conjunction with of cylinder liner 3 and crankcase 10, also can select existing other modes.
In such scheme, cylinder-bore 19, camshaft hole 14 and tappet hole 15 are directly processed and are obtained in cylinder head, cylinder head jacket 23 is located at the position, top (referring to Fig. 3) of Combined cylinder lid 1, and cylinder hole water jacket 25 is located at cylinder-bore 19 around, and (referring to Fig. 4) can be interconnected.Cylinder head bolt 18 is located at the Combined cylinder cap position near cylinder-bore 19, particularly, in the both sides near cylinder-bore 19, be provided with two exhaust cylinder bolt holes (referring to the mark 18 of Fig. 4), cylinder head bolt 18 is tightened (referring to Fig. 1) through the cylinder head bolt lug 7 of two exhaust cylinder bolt holes and crankcase 10, is provided with for being fastenedly connected with crankcase.This Combined cylinder lid 1 is integrated in the part body in traditional cylinder block in cylinder head, can fundamentally stop " rushing cylinder pad " and the cylinder pad ablation fault of traditional air cylinder head structure.In addition, this Combined cylinder lid 1 is fastenedly connected by the connecting bolt 4 at bottom periphery and the periphery, upper end of crankcase 10, can reduce the quantity of cylinder head bolt 18, change the labyrinth of the cooling water chamber of cylinder head inside, guarantee that the water of ridge area around and around cylinder hole flows out more smooth and easy, can improve the cooling effect of cylinder head, improve the reliability of internal-combustion engine.Meanwhile, the manufacture summary of cylinder head, cylinder liner construction is simplified, and manufacture, assembly technical requirement reduce, and effectively reduce the manufacture cost of internal-combustion engine.
Embodiment 2
As shown in Figure 1, according to the body of the utility model embodiment, Combined cylinder lid 1 and crankcase 10 providing in embodiment 1 is provided for it, Combined cylinder lid 1 is arranged on the upper end of crankcase 10, cylinder-bore 19 corresponding positions on the upper end portion of crankcase 10 and Combined cylinder lid 1 are provided with cylinder hole extension part 20, cylinder-bore 19 on Combined cylinder lid 1 forms body cylinder-bore (unmarked in figure) with cylinder hole extension part 20, in the upper-end surface of crankcase 10, be provided with the groove 5 for filling sealed glue, groove 5 also can be located at the bottom end of Combined cylinder lid 1, by the effect that is fastenedly connected to reach sealing at the interior filling sealed glue of groove 5 and Combined cylinder lid 1 and crankcase 10.As a kind of preferred embodiment, in body cylinder-bore, be provided with cylinder liner 3, cylinder-bore 19 interference fit on the upper end part of cylinder liner 3 and Combined cylinder lid 1, the end portion of cylinder liner 3 and cylinder hole extension part 20 Spielpassung, the bottom outer wall of cylinder liner 3 has interior step (unmarked in figure), the inwall of cylinder hole extension part 20 has inwardly protruded support shoulders 21, support shoulders 21 is connected on interior step cylinder liner 3 axially locating, between the top of cylinder liner 3 and cylinder-bore 19 tops of Combined cylinder lid 1, leaves linear expansion gap 24.
Combined cylinder lid 1 is fixedly connected with in the following way with crankcase 10, the both sides, bottom of Combined cylinder lid 1 have respectively adpting flange (unmarked in figure), adpting flange is provided with row's connecting bolt hole, the position, both sides, upper end of crankcase 10 be provided with a row bolt hole corresponding to the connecting bolt hole on adpting flange, the outside of Combined cylinder lid 1 and crankcase 10 are fastening by two row's connecting bolts 4, inside at Combined cylinder lid 1 is fastening by cylinder head bolt 18 and crankcase 10, arranging of cylinder head bolt 18 is the same, corresponding, in the inside of crankcase 10, there is cylinder head bolt lug 7, cylinder head bolt 18 is screwed into cylinder head bolt lug 7.In addition, bearing cap 11 is installed by bolt of bearing cap 13 in the bottom of crankcase 10, and bearing cap 11 forms with the bottom of crankcase 10 main bearing hole 12 that bent axle is installed, and in the upper end of crankcase 10, a side is provided with main oil gallery 6.The inside of crankcase 10 be provided with bolt of bearing cap lug 9 corresponding to bolt of bearing cap 13 wherein, bolt of bearing cap 13 and bolt of bearing cap lug 9 are also set to two rows, and cylinder head bolt lug 7 is connected by lacing wire 8 with bolt of bearing cap lug 9, while assembling between Combined cylinder lid 1 and crankcase 10, by two place's locating studs 22, accurately located.So far, Combined cylinder lid 1 tightens together with crankcase 10 by two exhaust casing bonnet bolts 18 of inside and two outside row's connecting bolts 4, the same with traditional air cylinder structure, be subject to gaseous-pressure and wrist pin thrust, piston just can be interior reciprocating in cylinder liner 3.
The aforementioned description to concrete exemplary of the present utility model is for the object with illustration is described.These descriptions not want the utility model to be defined as disclosed precise forms, and obviously, according to above-mentioned instruction, can much change and change.Exemplary embodiment is selected and the object described is to explain certain principles of the present utility model and practical application thereof, thereby made those skilled in the art can realize and utilize various exemplary of the present utility model and various selection and change.Scope of the present utility model is intended to be limited by claims and equivalents thereof.
Claims (10)
1. a Combined cylinder covers, this Combined cylinder lid has intake duct, air outlet flue, mounting hole of oil sprayer, it is characterized in that, described Combined cylinder lid is also integrated with camshaft hole, tappet hole and cylinder-bore, described camshaft hole and described tappet hole are located at the same side of described Combined cylinder lid, described cylinder-bore is located at the neutral position of described Combined cylinder lid, and described Combined cylinder lid can be directly installed on crankcase and make piston can directly stretch into reciprocating action in described cylinder-bore.
2. Combined cylinder lid according to claim 1, is characterized in that, the Combined cylinder cap position of close described cylinder-bore is provided with cylinder head bolt and is used for being fastenedly connected with described crankcase.
3. Combined cylinder lid according to claim 2, is characterized in that, the bottom periphery of described Combined cylinder lid is provided with connecting bolt and is used for being fastenedly connected with the periphery, upper end of described crankcase.
4. Combined cylinder lid according to claim 3, is characterized in that, the bottom end of described Combined cylinder lid or the upper-end surface of described crankcase are provided with the groove for filling sealed glue.
5. according to the Combined cylinder lid described in claim 1 to 4 any one, it is characterized in that, the position, top of described Combined cylinder lid is provided with cylinder head jacket.
6. according to the Combined cylinder lid described in claim 1 to 4 any one, it is characterized in that, described cylinder-bore is provided with cylinder hole water jacket around.
7. the body of an internal-combustion engine, it comprises Combined cylinder lid and crankcase described in claim 1-6 any one, it is characterized in that, described Combined cylinder lid is directly installed on the upper end of described crankcase, the upper end portion of described crankcase and described cylinder-bore corresponding position are provided with cylinder hole extension part, and the cylinder-bore that described Combined cylinder covers and described cylinder hole extension part form body cylinder-bore.
8. the body of internal-combustion engine according to claim 7, it is characterized in that, in described body cylinder-bore, be provided with cylinder liner, the upper end part of described cylinder liner coordinates with the cylinder-bore that described Combined cylinder covers, the end portion of described cylinder liner coordinates with described cylinder hole extension part, and the bottom outer wall of described cylinder liner has interior step, the inwall of described cylinder hole extension part has inwardly protruded support shoulders, and described support shoulders is connected on described interior step described cylinder liner axially locating.
9. the body of an internal-combustion engine, it comprises Combined cylinder lid and crankcase described in claim 3 or 4, it is characterized in that, the both sides, bottom of described Combined cylinder lid have respectively adpting flange, and position, both sides, upper end and the described adpting flange of described crankcase are fixed by described connecting bolt; Described crankcase inside has cylinder head bolt lug and bolt of bearing cap lug, and described cylinder head bolt lug is connected by lacing wire with described bolt of bearing cap lug.
10. the body of internal-combustion engine according to claim 9, is characterized in that, described Combined cylinder lid is provided with locating stud with the joint of described crankcase.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231027.7U CN203906107U (en) | 2014-05-07 | 2014-05-07 | Combined type air cylinder cover and internal combustion engine body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420231027.7U CN203906107U (en) | 2014-05-07 | 2014-05-07 | Combined type air cylinder cover and internal combustion engine body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906107U true CN203906107U (en) | 2014-10-29 |
Family
ID=51780395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420231027.7U Withdrawn - After Issue CN203906107U (en) | 2014-05-07 | 2014-05-07 | Combined type air cylinder cover and internal combustion engine body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906107U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925102A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Composite cylinder cover |
| CN105240140A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover capable of enhancing air and fuel oil mixing effect |
| CN106438080A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Combined type cylinder block |
| CN106438079A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Engine body of internal combustion engine |
| CN107956590A (en) * | 2017-11-28 | 2018-04-24 | 东风商用车有限公司 | A kind of engine-cooling system and its cooling means |
| CN109026424A (en) * | 2018-10-09 | 2018-12-18 | 广西玉柴机器股份有限公司 | overhead camshaft cylinder head |
| CN109854404A (en) * | 2018-12-28 | 2019-06-07 | 潍柴动力股份有限公司 | Engine-cooling system and engine |
| CN110293239A (en) * | 2019-07-18 | 2019-10-01 | 中船动力有限公司 | The processing method of medium seed diesel engine rack driving cog wheel bore system |
-
2014
- 2014-05-07 CN CN201420231027.7U patent/CN203906107U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925102A (en) * | 2014-05-07 | 2014-07-16 | 广西玉柴机器股份有限公司 | Composite cylinder cover |
| CN103925102B (en) * | 2014-05-07 | 2015-04-01 | 广西玉柴机器股份有限公司 | Composite cylinder cover |
| CN105240140A (en) * | 2015-11-02 | 2016-01-13 | 重庆金花玻璃钢有限公司 | Engine cylinder cover capable of enhancing air and fuel oil mixing effect |
| CN106438080A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Combined type cylinder block |
| CN106438079A (en) * | 2016-10-13 | 2017-02-22 | 广西玉柴机器股份有限公司 | Engine body of internal combustion engine |
| CN107956590A (en) * | 2017-11-28 | 2018-04-24 | 东风商用车有限公司 | A kind of engine-cooling system and its cooling means |
| CN109026424A (en) * | 2018-10-09 | 2018-12-18 | 广西玉柴机器股份有限公司 | overhead camshaft cylinder head |
| CN109854404A (en) * | 2018-12-28 | 2019-06-07 | 潍柴动力股份有限公司 | Engine-cooling system and engine |
| CN110293239A (en) * | 2019-07-18 | 2019-10-01 | 中船动力有限公司 | The processing method of medium seed diesel engine rack driving cog wheel bore system |
| CN110293239B (en) * | 2019-07-18 | 2020-05-12 | 中船动力有限公司 | Method for processing transmission gear hole system of medium-speed diesel engine frame |
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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: 20141029 Effective date of abandoning: 20150401 |
|
| RGAV | Abandon patent right to avoid regrant |