CN218493653U - Camshaft journal structure of automobile engine - Google Patents
Camshaft journal structure of automobile engine Download PDFInfo
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- CN218493653U CN218493653U CN202222053565.9U CN202222053565U CN218493653U CN 218493653 U CN218493653 U CN 218493653U CN 202222053565 U CN202222053565 U CN 202222053565U CN 218493653 U CN218493653 U CN 218493653U
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- seal cover
- seted
- camshaft
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Abstract
The utility model discloses an automobile engine camshaft journal structure belongs to camshaft technical field, and its technical scheme main points include the axle journal main part, the outside fixed mounting of axle journal main part has connecting portion, the annular has been seted up in the outside of connecting portion, the cavity has been seted up to the inside of axle journal main part, this kind of automobile engine camshaft journal structure, the inside of axle journal main part is provided with the heat pipe, the heat pipe is installed in one side of seal cover, the seal cover passes through the bearing and is connected with the one end of axle journal main part, the axle journal main part rotates, the seal cover does not rotate, the opposite side of seal cover sets up the connection interface, the coolant liquid flows in to the heat pipe through the connection interface, dispel the heat to axle journal main part, the oil storage chamber has still been seted up simultaneously to the inside of seal cover, machine oil passes through the inlet port and stores in the oil storage chamber, the both sides in oil storage chamber set up the connecting hole, it is equipped with the oil outlet to open in the connecting hole laminating, machine oil flows in to the annular of connecting portion, realize the self-lubricating.
Description
Technical Field
The utility model relates to a camshaft technical field, in particular to automobile engine camshaft journal structure.
Background
The camshaft, which is a component of a piston engine and which serves to control the opening and closing of the valves, is usually high and is subjected to high torques, although in four-stroke engines the rotational speed of the camshaft is half that of the crankshaft, and therefore the camshaft is required to be of high strength and support, and is generally made of high-quality steel or alloy steel, mainly consisting of cams and journals.
But current automobile engine camshaft axle journal simple structure, inside does not possess heat dissipation mechanism, and when the camshaft axle journal used, a large amount of heats that produce can't in time be transmitted away, cause the damage to self easily, and the axle journal does not possess self-lubricating function, and it is inconvenient to lubricate.
SUMMERY OF THE UTILITY MODEL
The utility model provides an above problem, provide an automobile engine camshaft axle journal structure and solve above-mentioned problem.
The utility model discloses a realize like this, an automobile engine camshaft journal structure, including the axle journal main part, the outside fixed mounting of axle journal main part has connecting portion, the annular has been seted up in the outside of connecting portion, the cavity has been seted up to the inside of axle journal main part, the one end of axle journal main part is rotated and is connected with the seal cover, one side fixed mounting of seal cover has the connection interface, the opposite side fixed mounting of seal cover has the heat pipe, the inboard fixed mounting of cavity has the lug, the oil storage chamber has been seted up to the inside of seal cover, the inlet port has been seted up in the outside of seal cover, the connecting hole has been seted up to the avris of seal cover, the oil outlet has been seted up to the avris of axle journal main part.
In order to be connected with engine housing, conduct the utility model discloses an automobile engine camshaft journal structure is preferred, the centre of a circle of connecting portion and the centre of a circle of journal main part are located same straight line, the internal diameter of annular is less than the external diameter of connecting portion.
In order to realize independent connection, conduct the utility model discloses an automobile engine camshaft journal structure is preferred, the seal cover passes through the bearing and is connected for rotating with the axle journal main part, the centre of a circle of seal cover is located same straight line with the centre of a circle of axle journal main part, the seal cover is located the one end that the axle journal main part is close to connecting portion.
In order to cool off the air cavity, as the utility model discloses an automobile engine camshaft journal structure is preferred, the central line symmetry of connection interface about the seal cover is provided with two, the heat pipe is "U" type structure, the inside of connection interface and heat pipe is put through each other, the lug equidistance is provided with a plurality ofly.
In order to annotate respectively machine oil, as the utility model discloses an automobile engine camshaft journal structure is preferred, the inlet port extends to the inside in oil storage chamber, the connecting hole symmetry is provided with two.
In order to transmit machine oil to the annular, as the utility model discloses an automobile engine camshaft journal structure is preferred, the oil outlet symmetry is provided with two, the one end of oil outlet extends to the inside of annular, the centre of a circle of oil outlet is located same straight line with the centre of a circle of connecting hole.
Compared with the prior art, the beneficial effects of the utility model are that:
this kind of automobile engine camshaft journal structure, the inside of journal main part is provided with the heat pipe, the one side at the seal cover is installed to the heat pipe, the seal cover passes through the bearing and is connected with the one end of journal main part, the journal main part rotates, the seal cover does not rotate, the opposite side of seal cover sets up connection interface, the coolant liquid flows in to the heat pipe through connection interface, dispel the heat to the journal main part, the oil storage chamber has still been seted up simultaneously to the inside of seal cover, machine oil passes through the inlet port and stores in the oil storage chamber, the both sides in oil storage chamber set up the connecting hole, two oil outlets have been seted up in the connecting portion of journal main part, when the oil outlet pastes with the connecting hole, machine oil flows in to the annular of connecting portion, realize the self-lubricating.
Drawings
FIG. 1 is a perspective view of a camshaft journal structure of an automobile engine according to the present invention;
FIG. 2 is a sectional view of the camshaft journal structure of an automobile engine according to the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is the utility model discloses a heat pipe stereogram of automobile engine camshaft axle journal structure.
In the figure, 1, a journal body; 2. a connecting portion; 3. a ring groove; 4. a cavity; 5. a sealing sleeve; 6. connecting an interface; 7. a heat conducting pipe; 8. a bump; 9. an oil storage chamber; 10. an oil inlet hole; 11. connecting holes; 12. an oil outlet.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, an automobile engine camshaft journal structure includes a journal main body 1, a connecting portion 2 is fixedly mounted on an outer side of the journal main body 1, a ring groove 3 is formed on an outer side of the connecting portion 2, a cavity 4 is formed in the journal main body 1, one end of the journal main body 1 is rotatably connected with a sealing sleeve 5, a connecting interface 6 is fixedly mounted on one side of the sealing sleeve 5, a heat conducting pipe 7 is fixedly mounted on the other side of the sealing sleeve 5, a bump 8 is fixedly mounted on an inner side of the cavity 4, an oil storage cavity 9 is formed in the sealing sleeve 5, an oil inlet 10 is formed in an outer side of the sealing sleeve 5, a connecting hole 11 is formed in an edge side of the sealing sleeve 5, and an oil outlet 12 is formed in an edge side of the journal main body 1.
In this embodiment: in the installation process of the automobile engine camshaft journal structure, a journal main body 1 is installed inside an automobile engine shell, and a plurality of cams are fixedly installed on the outer side of the journal main body 1 in a welding mode.
As a technical optimization scheme of the utility model, the centre of a circle of connecting portion 2 and the centre of a circle of axle journal main part 1 are located collinear, and the internal diameter of annular 3 is less than connecting portion 2's external diameter.
In this embodiment: in the installation process of the automobile engine camshaft journal structure, the connecting part 2 on the outer side of the journal main body 1 is attached to the side of an automobile engine shell, and the annular groove 3 is connected with the automobile engine shell through a bearing.
As a technical optimization scheme of the utility model, seal cover 5 passes through the bearing and is connected for rotating with axle journal main part 1, and the centre of a circle of seal cover 5 and the centre of a circle of axle journal main part 1 are located collinear, and seal cover 5 is located axle journal main part 1 and is close to the one end of connecting portion 2.
In this embodiment: in the use process of the automobile engine camshaft journal structure, the sealing sleeve 5 does not rotate, the journal main body 1 is connected with the transmission mechanism, and the journal main body 1 rotates along the outer side of the sealing sleeve 5 through a bearing.
As a technical optimization scheme of the utility model, connection interface 6 is provided with two about seal cover 5's central line symmetry, and heat pipe 7 is "U" type structure, and connection interface 6 and heat pipe 7's inside switch-on each other, and 8 equidistance of lug are provided with a plurality ofly.
In this embodiment: in the use process of the automobile engine camshaft journal structure, the two connecting interfaces 6 are respectively connected with a cooling system of an automobile, cooling liquid of the automobile is transmitted to the heat conduction pipe 7 through the connecting interfaces 6, the contact area of the cavity 4 and the journal main body 1 is increased through the bumps 8, heat of the journal main body 1 is transferred to the cavity 4, the heat conduction pipe 7 cools the cavity 4, and the heat dissipation efficiency of the journal main body 1 is improved.
As a technical optimization scheme of the utility model, inlet port 10 extends to the inside in oil storage chamber 9, and connecting hole 11 symmetry is provided with two.
In this embodiment: when the automobile engine camshaft journal structure is used, the oil inlet hole 10 is connected with an engine oil supply pipeline of an automobile, and engine oil is transmitted into the oil inlet hole 10 through external pressure and then flows into the oil storage cavity 9.
As a technical optimization scheme of the utility model, oil outlet 12 symmetry is provided with two, and the one end of oil outlet 12 extends to the inside of annular 3, and the centre of a circle of oil outlet 12 is located same straight line with the centre of a circle of connecting hole 11.
In this embodiment: in the using process of the automobile engine camshaft journal structure, the oil outlet 12 rotates along with the journal main body 1, and when the oil outlet 12 is attached to the connecting hole 11, the engine oil in the oil storage chamber 9 flows into the ring groove 3 along the connecting hole 11 and the oil outlet 12.
The utility model discloses a theory of operation and use flow: when the automobile journal cooling device is used, the journal main body 1 is installed inside an automobile engine shell, the cams are fixedly installed on the outer side of the journal main body 1 in a welding mode, the oil inlet 10 is connected with an engine oil supply pipeline of an automobile, the two connecting interfaces 6 are respectively connected with a cooling system of the automobile, the annular groove 3 is connected with the automobile engine shell through a bearing, the journal main body 1 is connected with a transmission mechanism, the journal main body 1 rotates along the outer side of the sealing sleeve 5 through the bearing, cooling liquid of the automobile is transmitted into the heat conduction pipe 7 through the connecting interfaces 6, the contact area of the cavity 4 and the journal main body 1 is increased through the bump 8, heat of the journal main body 1 is transmitted into the cavity 4, the heat conduction pipe 7 cools the cavity 4, the heat dissipation efficiency of the journal main body 1 is improved, when the journal main body 1 rotates, the oil outlet 12 rotates along with the journal main body 1, when the oil outlet 12 is attached to the connecting hole 11, engine oil in the oil storage cavity 9 flows into the annular groove 3 along the connecting hole 11 and lubricates the connecting part 2, when the oil outlet 12 is staggered with the connecting hole 11, the connecting hole 12, the connecting hole is blocked, the engine oil is prevented from flowing out all the engine oil, and continuous lubrication is realized.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An automotive engine camshaft journal structure, characterized by comprising:
journal main part (1), the outside fixed mounting of journal main part (1) has connecting portion (2), annular (3) have been seted up in the outside of connecting portion (2), cavity (4) have been seted up to the inside of journal main part (1), the one end of journal main part (1) is rotated and is connected with seal cover (5), one side fixed mounting of seal cover (5) has connection interface (6), the opposite side fixed mounting of seal cover (5) has heat pipe (7), the inboard fixed mounting of cavity (4) has lug (8), oil storage chamber (9) have been seted up to the inside of seal cover (5), inlet port (10) have been seted up in the outside of seal cover (5), connecting hole (11) have been seted up to the avris of seal cover (5), oil outlet (12) have been seted up to the avris of journal main part (1).
2. The journal structure for an automotive engine camshaft according to claim 1, characterized in that: the circle center of the connecting part (2) and the circle center of the journal main body (1) are located on the same straight line, and the inner diameter of the ring groove (3) is smaller than the outer diameter of the connecting part (2).
3. The journal structure for a camshaft of an automobile engine according to claim 1, wherein: the sealing sleeve (5) is rotatably connected with the journal main body (1) through a bearing, the circle center of the sealing sleeve (5) and the circle center of the journal main body (1) are located on the same straight line, and the sealing sleeve (5) is located at one end, close to the connecting portion (2), of the journal main body (1).
4. The journal structure for an automotive engine camshaft according to claim 1, characterized in that: the connecting interfaces (6) are symmetrically arranged about the center line of the sealing sleeve (5), the heat conducting pipes (7) are of U-shaped structures, the connecting interfaces (6) are communicated with the interiors of the heat conducting pipes (7), and the bumps (8) are arranged in a plurality of equal intervals.
5. The journal structure for a camshaft of an automobile engine according to claim 1, wherein: the oil inlet hole (10) extends to the inside of the oil storage cavity (9), and two connecting holes (11) are symmetrically arranged.
6. The journal structure for a camshaft of an automobile engine according to claim 1, wherein: oil outlet (12) symmetry is provided with two, the one end of oil outlet (12) extends to the inside of annular (3), the centre of a circle of oil outlet (12) and the centre of a circle of connecting hole (11) are located collinear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053565.9U CN218493653U (en) | 2022-08-05 | 2022-08-05 | Camshaft journal structure of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222053565.9U CN218493653U (en) | 2022-08-05 | 2022-08-05 | Camshaft journal structure of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218493653U true CN218493653U (en) | 2023-02-17 |
Family
ID=85186205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222053565.9U Active CN218493653U (en) | 2022-08-05 | 2022-08-05 | Camshaft journal structure of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218493653U (en) |
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2022
- 2022-08-05 CN CN202222053565.9U patent/CN218493653U/en active Active
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