CN218467684U - Oil pump seat, engine and car - Google Patents
Oil pump seat, engine and car Download PDFInfo
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- CN218467684U CN218467684U CN202222605530.1U CN202222605530U CN218467684U CN 218467684 U CN218467684 U CN 218467684U CN 202222605530 U CN202222605530 U CN 202222605530U CN 218467684 U CN218467684 U CN 218467684U
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- oil
- passage
- oil pump
- oil passage
- tappet hole
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Abstract
The utility model relates to an oil pump seat, engine and car, the upper surface of oil pump seat is equipped with the tappet hole that is used for installing the tappet, be equipped with the cam chamber that is used for installing the camshaft on the front surface of oil pump seat, the tappet hole with the cam chamber intercommunication; the oil pump seat is also provided with a first oil duct and a second oil duct; the first oil duct is communicated with the tappet hole and is used for conveying oil into the tappet hole; the second oil duct is communicated with the cam cavity and used for conveying oil into the cam cavity. The utility model discloses in, can be through two oil ducts to the interior oil spout of camshaft of cam chamber to can improve lubricated and refrigerated efficiency, consequently adopt the oil pump seat of this embodiment, under high-speed, the high power condition, can make the camshaft get better lubrication and cooling effect in the short time.
Description
Technical Field
The utility model belongs to the technical field of automobile engine, a oil pump seat, engine and car are related to.
Background
The oil pump seat is a component of an engine, a tappet hole for installing a tappet and a cam cavity for installing a cam shaft are formed in the oil pump seat, and the tappet hole is communicated with the cam cavity. When the valve lifter works, the camshaft rotates to drive the tappet to move up and down in the tappet hole, so that the valve is pushed to be opened or closed.
In the existing oil pump seat, in order to lubricate a camshaft and a tappet, an oil duct communicated to a tappet hole is generally arranged, lubricating oil is input into the tappet hole, the tappet moves up and down to be lubricated, and meanwhile, part of the lubricating oil flows into a cam cavity to lubricate the rotating motion of the camshaft.
However, in this scheme, the lubricating and cooling effects of the high-pressure oil pump seat are general, and under the conditions of high speed and high power, the camshaft cannot achieve better lubricating and cooling effects in a short time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the oil pump seat, the engine and the automobile are provided aiming at the problems that the lubricating and cooling effects of the high-pressure oil pump seat in the prior art are general, and the better lubricating and cooling effects of the camshaft cannot be achieved in a short time under the conditions of high speed and high power.
In order to solve the technical problem, on one hand, an embodiment of the present invention provides an oil pump seat, wherein a tappet hole for installing a tappet is formed in an upper surface of the oil pump seat, a cam cavity for installing a cam shaft is formed in a front surface of the oil pump seat, and the tappet hole is communicated with the cam cavity; the oil pump seat is also provided with a first oil duct and a second oil duct; the first oil duct is communicated with the tappet hole and is used for conveying oil into the tappet hole; the second oil duct is communicated with the cam cavity and used for conveying oil into the cam cavity.
Optionally, a lubricating groove is formed in the inner side wall of the tappet hole, and an opening formed in the inner side wall of the tappet hole by the first oil passage is located in the lubricating groove; along the circumferential direction of the avoidance hole, the length dimension of the lubricating groove is larger than the length dimension of an opening formed by the groove wall of the lubricating groove by the first oil passage.
Optionally, the lubrication groove is an open-loop structure.
Optionally, a third oil duct is further arranged on the oil pump base, and the second oil duct and the first oil duct are both communicated with the third oil duct.
Optionally, the third oil passage includes a first section of channel and a second section of channel that are communicated with each other; the first section of channel has a first opening disposed on the front surface, the first section of channel extending rearwardly from the front surface; the second section channel has a second opening disposed on the upper surface, extends downwardly from the upper surface to communicate with the first section channel, and the first and second oil passages are both communicated into the second section channel.
Optionally, the second oil passage is obliquely arranged, an opening at the upper end of the second oil passage is located in the cam cavity, and an opening at the lower end of the second oil passage is located in the second section of channel.
Optionally, in the axial direction of the tappet hole, the first oil passage is located between the second oil passage and the upper surface.
Optionally, an opening of the second oil passage in the cam cavity is located above a region for accommodating a camshaft in the cam cavity, and an included angle between the length direction of the second oil passage and the axis of the tappet hole is greater than 0 ° and less than 180 °.
In order to solve the above technical problem, an embodiment of the present invention provides an engine, including the oil pump base described in any one of the above.
In order to solve the above technical problem, an embodiment of the present invention provides an automobile, including the above-mentioned engine.
The embodiment of the utility model provides an in oil pump seat, engine and the car, can be through two oil ducts to the camshaft in the cam chamber on oil spout to can improve lubricated and refrigerated efficiency, consequently adopt the oil pump seat of this embodiment, under high-speed, the high power circumstances, can make the camshaft get better lubrication and cooling effect in the short time.
Drawings
Fig. 1 is a top view of an oil pump mount according to an embodiment of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is a front view of an oil pump mount according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a schematic view of an oil passage system of an oil pump base according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
10. an oil pump mount; 101. a body; 102. an oil guide pipe; 103. avoiding holes;
1. an upper surface;
2. a front surface;
3. a tappet hole;
4. a cam cavity;
5. a first oil passage;
6. a second oil passage;
7. a third oil passage; 71. a first section of channel; 72. a second section of channel;
8. a lubrication groove;
9. an oil return groove;
20. a camshaft.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, in an embodiment, the engine includes an oil pump base 10, wherein the oil pump base 10 connects a cylinder head of the engine and a high-pressure oil pump. Specifically, the oil pump mount 10 has an upper surface 1 and a front surface 2, wherein the upper surface 1 is connected to the high-pressure oil pump, and the front surface 2 is connected to the cylinder head of the engine.
As shown in fig. 1 and 2, in an embodiment, the upper surface 1 is provided with a tappet hole 3, the tappet hole 3 is used for mounting a tappet, the front surface 2 is provided with a cam cavity 4, and the cam cavity 4 is used for mounting a camshaft 20, wherein the tappet hole 3 is communicated with the cam cavity 4, and the cam cavity 4 is generally located below the tappet hole 3.
As shown in fig. 2, the oil pump seat 10 is further provided with a first oil passage 5 and a second oil passage 6, and oil can be delivered into the cam cavity 4 through both the first oil passage 5 and the second oil passage 6, so as to lubricate and cool the camshaft 20 in the cam cavity 4.
As shown in fig. 2, the first oil passage 5 communicates with the tappet hole 3, and is configured to deliver oil into the tappet hole 3; wherein, behind the fluid flow in the first oil duct 5 to tappet hole 3, can follow tappet hole 3 and fall to cam chamber 4, and then fall on the camshaft 20 in cam chamber 4, alright so lubricate and cool off camshaft 20 with the realization. In addition, in an actual scene, oil sprayed out of the first oil passage 5 firstly falls on the tappet, and the tappet can be lubricated and cooled at the moment; the oil then falls from the tappet until it lands on the cam in the cam chamber 4.
As shown in fig. 2, the second oil passage 6 communicates with the cam chamber 4 for supplying oil into the cam chamber 4 to lubricate and cool the camshaft 20.
The first oil passage 5 is equivalent to an oil passage in the prior art, so compared with the prior art, the second oil passage 6 is added to the oil pump seat 10 in the embodiment, so that oil is injected to the camshaft 20 through the two oil passages, that is, in the embodiment, the oil directly lubricates the camshaft 20 through the second oil passage 6 to form an oil film on the basis that the oil falls from the tappet to lubricate the camshaft 20, and thus, the lubricating and cooling efficiency can be improved. Therefore, compared with the prior art, the oil pump seat 10 of the present embodiment can achieve better lubrication and cooling effects for the camshaft 20 in a short time under high speed and high power conditions.
As shown in fig. 2 and 3, in an embodiment, the oil pump base 10 is further provided with a third oil passage 7, and the first oil passage 5 and the second oil passage 6 are both communicated with the third oil passage 7. The third oil duct 7 is communicated with a main oil duct on a cylinder head of the engine, and the oil flows into the third oil duct 7 from the main oil duct of the cylinder head and then flows into the first oil duct 5 and the second oil duct 6 from the third oil duct 7 respectively.
As shown in fig. 2, 4, and 5, in an embodiment, the third oil passage 7 includes a first-stage passage 71 and a second-stage passage 72 that communicate with each other; the first section channel 71 has a first opening provided on the front surface 2, and the first section channel 71 extends rearwardly from the front surface 2; the second-stage channel 72 has a second opening provided on the upper surface 1, the second-stage channel 72 extending downward from the upper surface to communicate with the first-stage channel 71; the first oil passage 5 and the second oil passage 6 both communicate into the second-stage passage 72, i.e., the opening of the first oil passage 5 in the third oil passage 7 and the opening of the second oil passage 6 in the third oil passage 7 are both located in the second-stage passage 72. During operation, oil enters the first passage 71 from the opening of the first passage 71 on the front surface 2, then enters the second passage 72, and finally enters the first oil passage 5 and the second oil passage 6 from the second passage 72.
In one embodiment, the first-stage passage 71, the second-stage passage 72, the first oil passage 5, and the second oil passage 6 are all straight hole structures, so that the machining can be facilitated. In addition, the axis of the first-stage passage 71 is perpendicular to the front surface 2, and the axis of the second-stage passage 72 is perpendicular to the upper surface 1, so that the third oil passage 7 is more convenient to machine. Further, the axis of the first-stage passage 71 is perpendicular to the axis of the second-stage passage 72.
As shown in fig. 2 and 5, in an embodiment, the first oil passage 5 is obliquely arranged, an opening at the upper end of the first oil passage 5 is located in the tappet hole 3, and an opening at the lower end of the first oil passage 5 is located in the second-stage passage 72, so that oil can enter the first oil passage 5 conveniently. The first oil passage 5 may extend from an inner sidewall of the tappet hole 3 to an inner sidewall of the second passage 72.
As shown in fig. 2 and 5, in one embodiment, the second oil passage 6 is arranged obliquely, the opening of the upper end of the second oil passage 6 is located in the cam chamber 4, and the opening of the lower end of the second oil passage 6 is located in the second-stage passage 72, so that oil can enter the second oil passage 6 conveniently.
As shown in fig. 2 and 3, in an embodiment, the oil pump base 10 includes a body 101 and an oil guide pipe 102, wherein an upper surface of the body 101 is an upper surface 1 of the oil pump base 10, a front surface of the body 101 is a front surface 2 of the oil pump base 10, and the first-stage passage 71, the second-stage passage 72, and the first oil passage 5 are all disposed on the body 101. In addition, the body 101 is provided with an avoiding hole 103, the avoiding hole 103 penetrates from the inner side wall of the second section of channel 72 to the inner side wall of the cam cavity 4, the oil guide pipe 102 is installed in the avoiding hole 103, two ends of the oil guide pipe 102 respectively extend into the second section of channel 72 and the cam cavity 4, and at this time, the hollow part of the oil guide pipe 102 is the second oil passage 6. In addition, the oil conduit 102 may be sealingly connected in the relief hole 103 by a sealing ring or the like.
As shown in fig. 2 and 5, in an embodiment, the inner side wall of the tappet hole 3 is provided with a lubrication groove 8, and the opening of the first oil passage 5 formed on the inner side wall of the tappet hole 3 is located in the lubrication groove 8, that is, the first oil passage 5 extends from the groove wall of the lubrication groove 8 to the inner side wall of the second-stage passage 72. During operation, the oil in the first oil passage 5 firstly enters the lubricating groove 8 and then flows downwards from the lubricating groove 8 to the cam cavity 4. It should be understood that the first oil passage 5, the second oil passage 6, the third oil passage 7 and the lubrication groove 8 are all part of the oil passage system of the oil pump block 10.
In addition, along the circumferential direction of the tappet hole 3, the length dimension of the lubricating groove 8 is larger than the length dimension of an opening formed by the first oil passage 5 on the groove wall of the lubricating groove 8, so that on one hand, oil can be input into the tappet hole 3 from a larger range in the circumferential direction of the tappet hole 3, and the lubricating and cooling effects on the tappet can be improved; on the other hand, the lubricating oil can be supplied to the cam chamber 4 from a larger range in the circumferential direction of the tappet hole 3, and an oil film can be more easily formed on the camshaft 20 by combining the oil flowing into the cam chamber 4 from the second oil passage 6, thereby improving the lubricating and cooling effects on the camshaft 20.
In one embodiment, the first oil passage 5 extends to the bottom surface of the lubrication groove 8, that is, the opening of the first oil passage 5 formed on the inner side surface of the tappet hole 3 is located on the bottom surface of the lubrication groove 8.
As shown in fig. 5, in one embodiment, the lubrication groove 8 is an annular groove, which may be coaxial with the tappet bore 3. In addition, the lubrication groove 8 may be an open-loop structure.
As shown in fig. 2, in one embodiment, the first oil passage 5 is located between the second oil passage 6 and the upper surface 1 in the axial direction of the tappet hole 3, that is, the first oil passage 5 is located above the second oil passage 6.
In an embodiment, the second oil passage 6 is located above the area for accommodating the camshaft 20 in the cam cavity 4 at the inner opening of the cam cavity 4, and the included angle between the length direction of the second oil passage 6 and the axis of the tappet hole 3 is greater than 0 ° and less than 180 °, at this time, oil can be respectively conveyed to the camshaft in the cam cavity 4 from two directions through the first oil passage 5 and the second oil passage 6, so that an oil film is more easily formed, and the lubricating and cooling effects of the oil on the camshaft are optimized.
As shown in fig. 2, in an embodiment, the lower area of the inner surface of the cam cavity 4 is recessed downward to form a oil return groove 9, the oil return groove 9 extends to the front surface 2, and the oil entering the cam cavity 4 from the second oil passage 6 and the oil entering the tappet hole 3 from the first oil passage 5 are finally collected in the oil return groove 9 and then flow back to the oil return passage of the cylinder head from the opening formed by the oil return groove 9 on the front surface 2.
It should be understood that the above-described related designs may be substituted in other ways, such as:
in other embodiments, the oil guide pipe 102 may not be disposed on the oil pump seat 10, and the avoiding hole 103 is not disposed on the body 101, in which case, the second oil passage 6 is an oil guide hole that penetrates from the inner side wall of the second-stage passage 72 to the inner side wall of the cam cavity 4.
Finally, the embodiment of the utility model provides a still provide an automobile, this automobile includes any embodiment of above-mentioned engine.
All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. An oil pump seat is characterized in that a tappet hole for installing a tappet is formed in the upper surface of the oil pump seat, a cam cavity for installing a cam shaft is formed in the front surface of the oil pump seat, and the tappet hole is communicated with the cam cavity;
the oil pump seat is also provided with a first oil duct and a second oil duct; the first oil duct is communicated with the tappet hole and is used for conveying oil into the tappet hole; the second oil duct is communicated with the cam cavity and used for conveying oil into the cam cavity.
2. The oil pump seat as claimed in claim 1, wherein the inner side wall of the tappet hole is provided with a lubrication groove, and the opening formed on the inner side wall of the tappet hole by the first oil passage is positioned in the lubrication groove;
along the circumferential direction of the tappet hole, the length dimension of the lubricating groove is larger than the length dimension of an opening formed by the first oil passage on the groove wall of the lubricating groove.
3. The oil pump mount of claim 2, wherein the lubrication groove is of an open-loop configuration.
4. The oil pump holder as claimed in claim 1, wherein a third oil passage is further provided on the oil pump holder, and the first oil passage and the second oil passage are both communicated with the third oil passage.
5. The oil pump block as recited in claim 4, wherein the third oil passage comprises a first segment passage and a second segment passage that communicate with each other;
the first section of channel has a first opening disposed on the front surface, the first section of channel extending rearwardly from the front surface; the second section channel has a second opening disposed on the upper surface, extends downwardly from the upper surface to communicate with the first section channel, and the first and second oil passages are both communicated into the second section channel.
6. The oil pump block as claimed in claim 5, wherein the second oil passage is obliquely arranged, an opening of an upper end of the second oil passage is located in the cam cavity, and an opening of a lower end of the second oil passage is located in the second section of passage.
7. The oil pump mount defined in claim 1, wherein the first oil passage is located between the second oil passage and the upper surface in an axial direction of the tappet hole.
8. The oil pump holder as claimed in claim 1, wherein the opening of the second oil passage in the cam cavity is located above a region of the cam cavity for accommodating a camshaft, and the length direction of the second oil passage forms an angle of more than 0 ° and less than 180 ° with the axis of the tappet hole.
9. An engine comprising an oil pump mount according to any one of claims 1 to 8.
10. An automobile comprising the engine of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605530.1U CN218467684U (en) | 2022-09-30 | 2022-09-30 | Oil pump seat, engine and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222605530.1U CN218467684U (en) | 2022-09-30 | 2022-09-30 | Oil pump seat, engine and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218467684U true CN218467684U (en) | 2023-02-10 |
Family
ID=85144259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222605530.1U Active CN218467684U (en) | 2022-09-30 | 2022-09-30 | Oil pump seat, engine and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218467684U (en) |
-
2022
- 2022-09-30 CN CN202222605530.1U patent/CN218467684U/en active Active
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