CN214403701U - Valve guide pipe with enhanced cooling function - Google Patents
Valve guide pipe with enhanced cooling function Download PDFInfo
- Publication number
- CN214403701U CN214403701U CN202120501612.4U CN202120501612U CN214403701U CN 214403701 U CN214403701 U CN 214403701U CN 202120501612 U CN202120501612 U CN 202120501612U CN 214403701 U CN214403701 U CN 214403701U
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- Prior art keywords
- valve guide
- cooling
- guide pipe
- liquid outlet
- spiral
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Abstract
The utility model discloses a reinforce refrigerated valve guide, be in including the cylinder head, locate valve guide mounting hole and cartridge on the cylinder head valve guide on the valve guide mounting hole, the pore wall of valve guide mounting hole with be equipped with the spiral cooling tank between the pipe wall of valve guide, be equipped with in the cylinder head with the recirculated cooling liquid inlet channel of the bottom intercommunication of spiral cooling tank. The utility model discloses a reinforce refrigerated valve guide belongs to valve guide technical field, and the coolant liquid gets into then carries the spiral cooling tank from recirculated cooling liquid inlet channel, upwards carries the cylinder head top surface through the spiral cooling tank again, and coolant liquid direct contact valve guide is through using high-pressure cooling lubricating oil, and high-pressure cooling lubricating oil flows rapidly and takes away the heat, and the cooling effect is stronger than former traditional non-contact cooling, and the cooling effect is good.
Description
Technical Field
The utility model relates to a valve guide technique, more specifically says that it relates to a reinforce refrigerated valve guide.
Background
The valve guide pipe of the engine cylinder cover 1 ' has tense layout space and high positioning precision requirement, is a high-temperature and high-relative-motion part, and in order to cool the part, a cylinder cover water jacket is generally used for cooling part of the valve guide pipe, and a circle of metal interlayer 4 ' (like the cavity wall of the cylinder cover water jacket 5 ' shown in figure 3) is arranged between cooling water and the valve guide pipe 3 ', so that the cooling requirement of the valve guide pipe 3 ' cannot be met on some engines with high exhaust temperature.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to some not enough of the above-mentioned of prior art, the utility model aims at providing a cooling-enhanced valve guide that cooling effect is good.
In order to realize the above-mentioned purpose, the utility model provides an reinforce refrigerated valve guide, be in including the cylinder head, locate valve guide mounting hole and cartridge on the cylinder head valve guide on the valve guide mounting hole, the pore wall of valve guide mounting hole with be equipped with the wet-type cooling channel with the cooling jacket inner chamber intercommunication of cylinder head between the pipe wall of valve guide, wet-type cooling channel includes be equipped with spiral cooling bath on the pipe wall of valve guide and be in be equipped with in the cylinder head with the recirculated cooling liquid inlet channel of the bottom intercommunication of spiral cooling bath.
Further, the spiral cooling groove extends upwards in a spiral mode to the upper end face of the cylinder cover.
Furthermore, a cooling liquid outlet groove communicated with the upper end of the spiral cooling groove is formed in the position, located at the valve guide mounting hole, of the cylinder cover.
Furthermore, a liquid outlet plug is arranged at the position of the cooling liquid outlet groove, and a liquid outlet joint is arranged on the liquid outlet plug.
As a further improvement, the top of the liquid outlet plug is provided with a positioning hole matched with the upper part of the valve guide pipe, a sealing bush is arranged in the positioning hole, the bottom of the liquid outlet plug is provided with a liquid outlet cavity communicated with the positioning hole, and the bottom end of the liquid outlet joint can be inserted into the liquid outlet cavity.
Furthermore, a positioning spigot matched with the top surface of the sealing bush is arranged at the top end of the hole wall of the positioning hole, and a spiral ring abutting against the bottom surface of the sealing bush is arranged at the bottom end of the hole wall of the positioning hole.
Advantageous effects
Compared with the prior art, the utility model discloses a reinforce refrigerated valve guide's beneficial effect as follows: the utility model discloses a reinforce refrigerated valve guide, coolant liquid get into then carry the spiral cooling tank from recirculated cooling liquid inlet channel, upwards carry the cylinder head top surface through the spiral cooling tank again, and coolant liquid (like lubricating oil, cooling water) direct contact valve guide is through using high-pressure cooling lubricating oil, and high-pressure cooling lubricating oil flows rapidly and takes away the heat, and the cooling effect is stronger than former traditional non-contact cooling, and the cooling effect is good.
Drawings
FIG. 1 is a partial cross-sectional view of the enhanced cooling valve guide of the present invention;
FIG. 2 is an enlarged sectional view of the structure of the middle outlet plug of the present invention;
FIG. 3 is an enlarged cross-sectional view of the structure of the valve guide of the present invention;
fig. 4 is a schematic view of a valve guide cooling structure of a cylinder head in the related art.
In the figure: 1. a cylinder head; 2. a valve guide mounting hole; 3. a valve guide; 4. a spiral cooling tank; 5. a circulating cooling liquid inlet channel; 6. a coolant outlet tank; 7. liquid outlet blockage; 8. a liquid outlet joint; 9. positioning holes; 10. a seal bushing; 11. a liquid outlet cavity; 12. positioning a spigot; 13. a coil.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
The specific implementation manner of the utility model is as follows: as shown in fig. 1-3, the valve guide pipe with enhanced cooling comprises a cylinder head 1, a valve guide pipe mounting hole 2 arranged on the cylinder head 1, and a valve guide pipe 3 inserted into the valve guide pipe mounting hole 2, wherein a wet cooling channel communicated with an inner cavity of a cooling water jacket of the cylinder head 1 is arranged between the hole wall of the valve guide pipe mounting hole 2 and the pipe wall of the valve guide pipe 3. In this valve guide of intensive cooling, it is right to let in the coolant liquid through wet-type cooling channel, and valve guide 3 carries out local cooling, and the cooling effect is good.
In the present embodiment, the wet cooling passage includes a spiral cooling groove 4 provided between the hole wall of the valve guide mounting hole 2 and the pipe wall of the valve guide 3, and a circulating coolant inlet passage 5 provided in the cylinder head 1 to communicate with the bottom end of the spiral cooling groove 4.
In this valve guide of intensive cooling, the coolant liquid gets into then carries spiral cooling tank 4 from circulating cooling liquid inlet channel 5, upwards carries the cylinder head top surface through spiral cooling tank 4 again, and coolant liquid (like lubricating oil, cooling water) direct contact valve guide 3, through using high-pressure cooling lubricating oil, heat is taken away in the rapid flow of high-pressure cooling lubricating oil, and the cooling effect is stronger than former traditional non-contact cooling, and the cooling effect is good.
The cooling liquid is spirally conveyed in the spiral cooling groove 4, the contact area of the cooling liquid and the valve guide pipe 3 is large, and the cooling is rapid.
In this embodiment, the spiral cooling groove 4 extends from the circulating cooling liquid inlet channel 5 at the lower part to the cylinder cover surface, so that the valve guide 3 is tensioned and assembled in the valve guide mounting hole 2 at normal temperature, the outer wall of the guide at the lower part of the spiral cooling groove 4 is naturally sealed with the inner wall of the bottom hole of the cylinder cover 1, and meanwhile, the spiral cooling groove 4 does not affect the assembly and positioning of the guide.
In the present embodiment, the spiral cooling groove 4 extends spirally upward to the upper end surface of the cylinder head 1.
And a cooling liquid outlet groove 6 communicated with the upper end of the spiral cooling groove 4 is formed in the cylinder cover 1 at the valve guide mounting hole 2. The cooling liquid outlet groove 6 can store a part of cooling liquid, so that more cylinder heat can be absorbed, and the cooling effect is better.
In this embodiment, the coolant outlet groove 6 is provided with a liquid outlet plug 7, the liquid outlet plug 7 is provided with a liquid outlet joint 8, the liquid outlet plug 7 is fixed in the coolant outlet groove 6 of the cylinder cover through a bolt structure, and the coolant is conveyed out through the liquid outlet joint 8, so that the coolant can be recycled.
In this embodiment, the top of the liquid outlet plug 7 is provided with a positioning hole 9 matched with the upper part of the valve guide pipe 3, a sealing bush 10 is arranged in the positioning hole 9, the bottom of the liquid outlet plug 7 is provided with a liquid outlet cavity 11 communicated with the positioning hole 9, the bottom end of the liquid outlet joint 8 can be inserted into the liquid outlet cavity 11, and the sealing bush 10 has a sealing effect and prevents cooling liquid from leaking.
In this embodiment, a positioning spigot 12 adapted to the top surface of the sealing bush 10 is disposed at the top end of the hole wall of the positioning hole 9, a coil 13 abutting against the bottom surface of the sealing bush 10 is disposed at the bottom end of the hole wall of the positioning hole 9 in a threaded connection, and the positioning spigot 12 and the coil 13 position and lock the sealing bush 10, so as to prevent the sealing bush 10 from sliding and deforming, and ensure the sealing performance of the sealing bush 10.
The spiral cooling groove 4 may be formed in the wall of the valve guide mounting hole 2.
The above is only a preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility of the invention and the utility of the patent.
Claims (6)
1. The valve guide pipe with the enhanced cooling function comprises a cylinder cover (1), a valve guide pipe mounting hole (2) formed in the cylinder cover (1) and a valve guide pipe (3) inserted into the valve guide pipe mounting hole (2), and is characterized in that a wet cooling channel communicated with an inner cavity of a cooling water jacket of the cylinder cover (1) is arranged between the hole wall of the valve guide pipe mounting hole (2) and the pipe wall of the valve guide pipe (3), and the wet cooling channel comprises a spiral cooling groove (4) formed in the pipe wall of the valve guide pipe (3) and a circulating cooling liquid inlet channel (5) which is formed in the cylinder cover (1) and communicated with the bottom end of the spiral cooling groove (4).
2. An enhanced cooling valve guide according to claim 1, characterized in that the spiral cooling groove (4) extends spirally upward to an upper end face of the cylinder head (1).
3. An enhanced cooling valve guide according to claim 1 or 2, characterized in that a coolant outlet groove (6) communicating with the upper end of the spiral cooling groove (4) is provided on the cylinder head (1) at the valve guide mounting hole (2).
4. An enhanced cooling valve guide pipe according to claim 3, characterized in that a liquid outlet plug (7) is arranged at the cooling liquid outlet groove (6), and a liquid outlet joint (8) is arranged on the liquid outlet plug (7).
5. An enhanced cooling valve guide pipe according to claim 4, wherein a positioning hole (9) matched with the upper part of the valve guide pipe is formed in the top of the liquid outlet plug (7), a sealing bush (10) is arranged in the positioning hole (9), a liquid outlet cavity (11) communicated with the positioning hole (9) is formed in the bottom of the liquid outlet plug (7), and the bottom end of the liquid outlet joint (8) can be inserted into the liquid outlet cavity (11).
6. An enhanced cooling valve guide pipe according to claim 5, characterized in that the top end of the hole wall of the positioning hole (9) is provided with a positioning spigot (12) matched with the top surface of the sealing bush (10), and the bottom end of the hole wall of the positioning hole (9) is provided with a spiral ring (13) abutted against the bottom surface of the sealing bush (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501612.4U CN214403701U (en) | 2021-03-09 | 2021-03-09 | Valve guide pipe with enhanced cooling function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120501612.4U CN214403701U (en) | 2021-03-09 | 2021-03-09 | Valve guide pipe with enhanced cooling function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214403701U true CN214403701U (en) | 2021-10-15 |
Family
ID=78028615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120501612.4U Active CN214403701U (en) | 2021-03-09 | 2021-03-09 | Valve guide pipe with enhanced cooling function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214403701U (en) |
-
2021
- 2021-03-09 CN CN202120501612.4U patent/CN214403701U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230117 Address after: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee after: Guangxi Yuchai Ship Electric Power Co.,Ltd. Address before: No.88 Tianqiao West Road, Yulin City, Guangxi Zhuang Autonomous Region Patentee before: Guangxi Yuchai Machinery Co.,Ltd. |
|
| TR01 | Transfer of patent right |