CN211258822U - Cylinder cover with multiple cooling air channels - Google Patents
Cylinder cover with multiple cooling air channels Download PDFInfo
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- CN211258822U CN211258822U CN201921508287.3U CN201921508287U CN211258822U CN 211258822 U CN211258822 U CN 211258822U CN 201921508287 U CN201921508287 U CN 201921508287U CN 211258822 U CN211258822 U CN 211258822U
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- air inlet
- air
- rocker arm
- cavity seat
- push rod
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Abstract
The utility model discloses a cylinder cover provided with a plurality of cooling air channels, which comprises a bottom plate of a firepower surface at the bottom and a rocker arm cavity seat at the upper part; an air inlet guide pillar and an air outlet guide pillar which are arranged in the front and back are formed between the fire face bottom plate and the left part of the rocker arm cavity seat, and an air inlet push rod movable cavity seat and an air outlet push rod movable cavity seat which are distributed in the front and back are formed between the right part of the fire face bottom plate and the rocker arm cavity seat; an oil return hole pipe is arranged between the fire surface bottom plate and the rocker arm cavity seat; the oil return hole pipe is obliquely and downwards arranged from right to left and is positioned on the left front side of the air inlet guide pillar; observing from front to back, wherein the oil return hole pipe is positioned on the left side of the air inlet guide pillar; longitudinal ribs arranged in the front-back direction are arranged between the fire surface bottom plate and the rocker arm cavity seat; the longitudinal ribs are positioned in the air channel in the left-right direction between the exhaust guide pillar and the exhaust push rod movable cavity seat on the rear side and the air inlet guide pillar and the air inlet push rod movable cavity seat on the front side and partition the air channel; utility model advantage: by arranging the plurality of cooling air channels, a cooling flow field is improved, and the cooling capacity of the cylinder cover is improved.
Description
Technical Field
The utility model relates to a cylinder cover technical field, concretely relates to be provided with a plurality of cooling duct's cylinder cover.
Background
The cooling air duct structure of the existing air-cooled cylinder cover is generally as follows: the cooling air flows along the radiating fins at the front side and the rear side of the cylinder head (cover) from the air inlet side, reaches the air outlet side, and then is converged into the air. The side of the intake valve is often provided with an oil discharge passage, the two are blocked in front of the exhaust valve, and after cooling air passes through the exhaust valve, the exhaust valve cannot be effectively cooled. The heat dissipation efficiency of the heat dissipation mechanism is very poor, and the situation that the heat load of the cylinder cover is too high usually occurs.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a purpose provides a cylinder cover that is provided with a plurality of cooling duct to the very poor technical problem of current forced air cooling cylinder cover radiating efficiency.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a cylinder cover provided with a plurality of cooling air channels comprises a firepower surface bottom plate at the bottom and a rocker arm cavity seat at the upper part; an air inlet guide pillar and an air outlet guide pillar which are arranged in the front and back are formed between the fire face bottom plate and the left part of the rocker arm cavity seat, and an air inlet push rod movable cavity seat and an air outlet push rod movable cavity seat which are distributed in the front and back are formed between the right part of the fire face bottom plate and the rocker arm cavity seat; an oil return hole pipe is arranged between the fire surface bottom plate and the rocker arm cavity seat; the oil return hole pipe is obliquely and downwards arranged from right to left and is positioned on the left front side of the air inlet guide pillar; observing from front to back, wherein the oil return hole pipe is positioned on the left side of the air inlet guide pillar; longitudinal ribs arranged in the front-back direction are arranged between the fire surface bottom plate and the rocker arm cavity seat; the longitudinal ribs are positioned in the air channel in the left-right direction between the exhaust guide pillar and the exhaust push rod movable cavity seat on the rear side and the air inlet guide pillar and the air inlet push rod movable cavity seat on the front side and partition the air channel; the left cooling air a flows from front to back, and one part of air flows through the air channel between the exhaust guide post and the air inlet guide post and flows out along the air channel between the exhaust guide post and the movable cavity seat of the exhaust push rod under the action of the longitudinal ribs; the cooling air c on the right side flows through from front to back, and one part of air firstly flows through the air channel between the air inlet push rod movable cavity seat and the exhaust push rod movable cavity seat and then flows out along the air channel between the exhaust guide post and the exhaust push rod movable cavity seat under the action of the longitudinal ribs; the middle cooling air b is divided into three parts from front to back, one part of the middle cooling air b firstly flows through the air channel between the oil return hole pipe and the air inlet guide post and then is converged with the left cooling air a, the other part of the middle cooling air b sequentially flows through the air channel between the air inlet guide post and the air inlet push rod movable cavity seat and flows out of the air channel between the air exhaust guide post and the air exhaust push rod movable cavity seat, and the other part of the right cooling air b bypasses the air inlet push rod movable cavity seat and is converged with the right.
Preferably, the cylinder cover is provided with a plurality of horizontally arranged radiating fins which are uniformly distributed from top to bottom; the peripheries of the radiating fins of the exhaust guide post and the fire face bottom plate are longer than the radiating fins at other positions.
Preferably, the front end of the cross section of the oil return hole pipe is formed into a cylindrical surface, and the rear end of the cross section of the oil return hole pipe is formed into a sharp angle shape with the center protruding backwards.
Preferably, the intake guide post includes an upper rocker arm end and a lower intake duct end; a gap is arranged between the air inlet channel end and the rocker arm end; an air inlet guide pipe is arranged in the air inlet guide pillar; the middle part of the air inlet conduit is exposed.
Preferably, in the above aspect, the height of the cylinder head after the attachment of the attachment bolt is reduced to 39.7 mm.
Preferably, the bottom of the rocker arm cavity seat is respectively formed with an air inlet rocker arm mounting threaded hole and an exhaust rocker arm mounting threaded hole; rocker arm fixing seat fastening bolts are screwed in the air inlet rocker arm mounting threaded holes and the exhaust rocker arm mounting threaded holes; the length of the fastening bolt of the rocker arm fixing seat is reduced to 35 mm; the depths of the air inlet rocker arm mounting threaded hole and the exhaust rocker arm mounting threaded hole are correspondingly reduced.
The beneficial effects of the utility model reside in that: by arranging the plurality of cooling air channels, a cooling flow field is improved, and the cooling capacity of the cylinder cover is improved.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a schematic structural view of a cross section of the present invention;
fig. 3 is a schematic structural view of a cross section of the present invention;
fig. 4 is a schematic structural view of a cross section of the present invention;
in the figure, 10, fire panel floor; 11. an air intake duct end; 12. a connecting bolt; 20. a rocker arm cavity seat; 201. A rocker arm end; 202. the air inlet rocker arm is provided with a threaded hole; 203. the exhaust rocker arm is provided with a threaded hole; 30. an oil return hole pipe; 40. an air inlet push rod movable cavity seat; 50. an exhaust push rod movable cavity seat; 60. an exhaust guide post; 70. an air intake duct; 80. longitudinal ribs; 90. and a heat sink.
Detailed Description
As shown in fig. 1 to 4, the cylinder head provided with a plurality of cooling air ducts comprises a bottom fire surface base plate 10 and an upper rocker arm cavity seat 20; an air inlet guide pillar and an air outlet guide pillar 60 which are arranged in the front and back are formed between the fire face bottom plate 10 and the left part of the rocker arm cavity seat 20, and an air inlet push rod movable cavity seat 40 and an air outlet push rod movable cavity seat 50 which are distributed in the front and back are formed between the right part; an oil return hole pipe 30 is arranged between the fire surface bottom plate 10 and the rocker arm cavity seat 20; the oil return hole pipe 30 is obliquely arranged from right to left and is positioned at the left front side of the air inlet guide pillar 30; the oil return hole pipe 30 is positioned on the left side of the air inlet guide pillar when viewed from front to back; a longitudinal rib 80 arranged in the front-back direction is arranged between the fire surface bottom plate 10 and the rocker arm cavity seat 20; the longitudinal rib 80 is positioned in the air duct in the left-right direction between the exhaust guide pillar 60 and the exhaust push rod movable cavity seat 50 on the rear side and the air inlet guide pillar and the air inlet push rod movable cavity seat 40 on the front side and partitions the air duct; the left cooling air a flows from front to back, and one part of air flows through the air channel between the exhaust guide post 60 and the air inlet guide post and flows out along the air channel between the exhaust guide post 60 and the exhaust push rod movable cavity seat 50 under the action of the longitudinal ribs 80; the cooling air c on the right side flows through from front to back, and one part of the air firstly flows through the air channel between the air inlet push rod movable cavity seat 40 and the exhaust push rod movable cavity seat 50 and then flows out along the air channel between the exhaust guide pillar 60 and the exhaust push rod movable cavity seat 50 under the action of the longitudinal ribs 80; the middle cooling air b is divided into three parts from front to back, one part of the middle cooling air b firstly flows through an air channel between the oil return hole pipe 30 and the air inlet guide post and then is converged with the left cooling air a, the other part of the middle cooling air b sequentially flows out of an air channel between the air inlet guide post and the air inlet push rod movable cavity seat 40 and an air channel between the exhaust guide post 60 and the exhaust push rod movable cavity seat 50, and the other part of the right cooling air b bypasses the air inlet push rod movable cavity seat 40 and is converged with the right cooling air c; through the plurality of cooling air channels, a cooling flow field is improved, and the cooling capacity of the cylinder cover is improved.
As shown in fig. 1 to 4, a plurality of horizontally arranged heat dissipation fins 90 are uniformly distributed on the cylinder head; since the heat load is mainly concentrated on the fire panel base plate 10 and the periphery of the exhaust passage, the heat radiation fins 90 of the exhaust guide pillar 60 and the fire panel base plate 10 are longer around the heat radiation fins 90 than the rest.
As shown in fig. 2, the front end of the cross section of the oil return hole pipe 30 is formed into a cylindrical surface, and the rear end is formed into a sharp angle shape with the center protruding backward; this reduces the wind resistance while increasing the cooling wind flow area.
As shown in fig. 1 to 3, the intake guide pillar includes a rocker arm end 201 on the upper side and an intake passage end 11 on the lower side; a gap is provided between the intake passage end 11 and the rocker arm end 201; an air inlet guide pipe 70 is arranged in the air inlet guide pillar; the middle of the intake duct 70 is exposed; the cooling effect of the intake duct 70 is improved.
As shown in fig. 1, the height of the cylinder head after the attachment bolts 12 are installed is reduced to 39.7 mm; and the blocking of the cooling air during flowing is reduced.
As shown in fig. 2 to 4, an intake rocker arm mounting threaded hole 202 and an exhaust rocker arm mounting threaded hole 203 are respectively formed at the bottom of the rocker arm cavity base 20; rocker arm fixing seat fastening bolts are screwed in the air inlet rocker arm mounting threaded hole 202 and the exhaust rocker arm mounting threaded hole 203; the length of the fastening bolt of the rocker arm fixing seat is reduced to 35 mm; the depths of the intake rocker mounting threaded hole 202 and the exhaust rocker mounting threaded hole 203 are correspondingly reduced; the outlet cooling passage areas of the inlet side and the outlet side are increased.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. A cylinder cover provided with a plurality of cooling air channels comprises a fire surface bottom plate (10) at the bottom and a rocker arm cavity seat (20) at the upper part; an air inlet guide post and an air outlet guide post (60) which are arranged in the front and back are formed between the fire face bottom plate (10) and the left part of the rocker arm cavity seat (20), and an air inlet push rod movable cavity seat (40) and an air outlet push rod movable cavity seat (50) which are distributed in the front and back are formed between the right part of the fire face bottom plate; an oil return hole pipe (30) is arranged between the fire surface bottom plate (10) and the rocker arm cavity seat (20); the method is characterized in that: the oil return hole pipe (30) is obliquely arranged downwards from right to left, and the oil return hole pipe (30) is positioned on the left front side of the air inlet guide pillar; the oil return hole pipe (30) is positioned on the left side of the air inlet guide pillar when viewed from front to back; longitudinal ribs (80) arranged in the front-back direction are arranged between the fire surface bottom plate (10) and the rocker arm cavity seat (20); the longitudinal rib (80) is positioned in the air channel in the left-right direction between the exhaust guide pillar (60) and the exhaust push rod movable cavity seat (50) on the rear side and the air inlet guide pillar and the air inlet push rod movable cavity seat (40) on the front side and partitions the air channel; the left cooling air a flows from front to back, and one part of air flows through the air channel between the exhaust guide post (60) and the air inlet guide post and then flows out along the air channel between the exhaust guide post (60) and the exhaust push rod movable cavity seat (50) under the action of the longitudinal rib (80); the cooling air c on the right side flows through from front to back, and one part of air firstly flows through the air channel between the air inlet push rod movable cavity seat (40) and the exhaust push rod movable cavity seat (50) and then flows out along the air channel between the exhaust guide post (60) and the exhaust push rod movable cavity seat (50) under the action of the longitudinal rib (80); the middle cooling air b is divided into three parts from front to back, one part of the left cooling air b firstly flows through an air channel between the oil return hole pipe (30) and the air inlet guide post and then is converged with the left cooling air a, the other part of the middle cooling air b sequentially flows out of an air channel between the air inlet guide post and the air inlet push rod movable cavity seat (40) and an air channel between the exhaust guide post (60) and the exhaust push rod movable cavity seat (50), and the other part of the right cooling air b bypasses the air inlet push rod movable cavity seat (40) and is converged with the right cooling air c.
2. The cylinder head provided with a plurality of cooling air ducts according to claim 1, wherein: a plurality of horizontally arranged radiating fins (90) which are uniformly distributed up and down are arranged on the cylinder cover; the peripheries of the radiating fins (90) of the exhaust guide post (60) and the fire surface bottom plate (10) are longer than the radiating fins (90) at other positions.
3. The cylinder head provided with a plurality of cooling air ducts according to claim 1, wherein: the front end of the cross section of the oil return hole pipe (30) is formed into a cylindrical surface, and the rear end of the cross section of the oil return hole pipe is formed into a sharp angle shape with the center protruding backwards.
4. The cylinder head provided with a plurality of cooling air ducts according to claim 1, wherein: the air inlet guide pillar comprises an upper side rocker arm end (201) and a lower side air inlet channel end (11); a gap is arranged between the air inlet channel end (11) and the rocker arm end (201); an air inlet guide pipe (70) is arranged in the air inlet guide post; the middle part of the air inlet conduit (70) is exposed.
5. The cylinder head provided with a plurality of cooling air ducts according to claim 1, wherein: the height of the cylinder head after the connecting bolt (12) is installed is reduced to 39.7 mm.
6. The cylinder head provided with a plurality of cooling air ducts according to claim 1, wherein: an air inlet rocker arm mounting threaded hole (202) and an exhaust rocker arm mounting threaded hole (203) are respectively formed at the bottom of the rocker arm cavity seat (20); rocker arm fixing seat fastening bolts are screwed in the air inlet rocker arm mounting threaded hole (202) and the exhaust rocker arm mounting threaded hole (203); the length of the fastening bolt of the rocker arm fixing seat is reduced to 35 mm; the depths of the intake rocker arm mounting threaded hole (202) and the exhaust rocker arm mounting threaded hole (203) are correspondingly reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508287.3U CN211258822U (en) | 2019-09-11 | 2019-09-11 | Cylinder cover with multiple cooling air channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921508287.3U CN211258822U (en) | 2019-09-11 | 2019-09-11 | Cylinder cover with multiple cooling air channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211258822U true CN211258822U (en) | 2020-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921508287.3U Active CN211258822U (en) | 2019-09-11 | 2019-09-11 | Cylinder cover with multiple cooling air channels |
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| CN (1) | CN211258822U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
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2019
- 2019-09-11 CN CN201921508287.3U patent/CN211258822U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237077A (en) * | 2019-09-11 | 2020-06-05 | 浙江康思特动力机械有限公司 | Cylinder cover with multiple cooling air channels |
| CN111237077B (en) * | 2019-09-11 | 2024-04-16 | 浙江康思特动力机械有限公司 | Cylinder cover provided with multiple cooling air channels |
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