CN221032788U - High-safety automobile cam shaft - Google Patents
High-safety automobile cam shaft Download PDFInfo
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- CN221032788U CN221032788U CN202323273123.6U CN202323273123U CN221032788U CN 221032788 U CN221032788 U CN 221032788U CN 202323273123 U CN202323273123 U CN 202323273123U CN 221032788 U CN221032788 U CN 221032788U
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- cam
- camshaft
- main shaft
- alloy main
- fixedly connected
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- 229910045601 alloy Inorganic materials 0.000 claims abstract description 30
- 239000000956 alloy Substances 0.000 claims abstract description 30
- 229910000617 Mangalloy Inorganic materials 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 22
- 238000005299 abrasion Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high-safety automobile camshaft, which relates to the technical field of automobile camshafts and comprises an alloy main shaft, wherein a high-manganese steel core is fixedly connected to the inside of the alloy main shaft, a cam and an oil throwing wheel are respectively and fixedly connected to the outside of the alloy main shaft, a connecting end is fixedly connected to the right end of the alloy main shaft, a sealing groove is formed in the left end of the alloy main shaft, a sealing block is inserted into the inside of the sealing groove, and a shaft sleeve is fixedly connected to one end, far away from the sealing groove, of the sealing block. The high manganese steel core disclosed by the utility model has the advantages that the high manganese steel core is characterized by high toughness and high strength, the strength and toughness of the whole camshaft are improved, the breakage of the camshaft in the using process is prevented, the safety of the camshaft is improved, the connection of the camshaft is firmer by arranging the end key groove and utilizing the clamping connection mode of the end key and the end key groove, the sliding phenomenon of the camshaft during connection is avoided, and the camshaft is safer and more reliable during connection.
Description
Technical Field
The utility model relates to the technical field of automobile camshafts, in particular to a high-safety automobile camshaft.
Background
The camshaft of a motor vehicle is a component in a piston engine, which is used to control the opening and closing actions of the valves, and although in a four-stroke engine the camshaft is at half the speed of the crankshaft, it is usually still at a high speed and needs to be subjected to a high torque.
In the prior art, an automobile camshaft comprises a main shaft, wherein a shaft sleeve is fixedly connected to the outer surface of one end of the main shaft, a connecting end is fixedly connected to the outer surface of the other end of the main shaft, and a cam is fixedly connected to the outer part of the main shaft.
The automobile cam shaft has certain defects when in use, the toughness of the cam shaft is lower, the cam shaft is easy to break when in use, the safety performance is not high, the connection between the cam shaft and the engine is not firm enough, the cam shaft is easy to loosen when in use, and certain influence is brought when in use.
Disclosure of utility model
The utility model aims to solve the defects in the prior art and provides a high-safety automobile cam shaft. Its advantage lies in high manganese steel core, utilizes high manganese steel toughness, the great characteristics of intensity, improves the intensity and the toughness of whole camshaft, prevents the camshaft use in-process fracture, improves the security of camshaft, through setting up end keyway, utilizes the block connected mode of end key and end keyway, can make camshaft connection more firm, avoids the camshaft to take place the slip phenomenon when connecting, makes more safe and reliable when the camshaft is connected.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a high security car camshaft, includes the alloy main shaft, the inside fixedly connected with high manganese steel core of alloy main shaft, and the outside of alloy main shaft is fixedly connected with cam and throws the oil wheel respectively, and the right-hand member fixedly connected with connection end of alloy main shaft, and the seal groove has been seted up to the left end of alloy main shaft, and the inside grafting of seal groove has the sealing block, and the sealing block is in the one end fixedly connected with sleeve pipe of keeping away from the seal groove, and the end keyway has been seted up to sleeve pipe's left end.
The technical scheme is as follows: the high manganese steel core is characterized in that the high manganese steel has high toughness and high strength, the strength and toughness of the whole camshaft are improved, the camshaft is prevented from being broken in the use process, the safety of the camshaft is improved, the end key groove is arranged, the camshaft is connected more firmly by using the clamping connection mode of the end key and the end key groove, the sliding phenomenon of the camshaft during connection is avoided, and the camshaft is connected more safely and reliably.
The utility model is further arranged that the matching parts of the sealing block and the alloy main shaft are provided with positioning screw holes, and the inner threads of the positioning screw holes are connected with positioning bolts.
The technical scheme is as follows: the screw thread fastening mode is adopted, so that the assembly connection firmness of the alloy main shaft and the shaft sleeve can be enhanced, and the loose detachment of the camshaft during operation is avoided.
The utility model further provides that the transverse middle end of the oil slinger is provided with a transverse oil groove, and the middle end of the oil slinger is provided with an annular oil groove.
The technical scheme is as follows: the annular oil groove and the transverse oil groove can provide a large amount of lubricating oil for the cam when the cam shaft works, so that abrasion of the bottom surface of the tappet due to insufficient lubrication between the cam and the tappet is prevented, and the cam shaft can maintain good working efficiency.
The utility model is further arranged that the cam comprises a front cam and a rear cam, the rear end of the front cam is movably connected with the front end of the rear cam, and the axle centers of the front cam and the rear cam are movably connected with the outer wall of the alloy main shaft.
The technical scheme is as follows: the cams can be assembled in an adjustable combined mode, the cams are connected with the shaft body through the combined assembly, and when the angle between the left end cam and the right end cam needs to be adjusted, the angle can be adjusted through the fixing bolts.
The utility model is further arranged that the rear end of the front cam is provided with a groove, and the front end of the rear cam is fixedly connected with a bump.
The technical scheme is as follows: the convex blocks are placed in the grooves formed in the front cam, so that the front cam and the rear cam can be effectively and firmly combined into the cam.
The utility model is further arranged that the adapting parts of the convex blocks and the front cam are provided with fixing screw holes, and the inner threads of the fixing screw holes are connected with fixing bolts.
The technical scheme is as follows: the cams can be assembled in an adjustable combination way, the cams are connected with the shaft body through the combination assembly, and when the angle between the left end cam and the right end cam needs to be adjusted, the front cam and the rear cam can be disassembled again.
The utility model is further arranged in such a way that the number of the cams is four groups, and the positions of the cams are arranged on two sides of the oil slinger.
The technical scheme is as follows: and a large amount of lubricating oil is provided for the cam, so that abrasion of the bottom surface of the tappet due to insufficient lubrication between the cam and the tappet is prevented, and the cam shaft can maintain good working efficiency.
The utility model is further arranged that the position of the shaft sleeve is arranged at the left side of the cam, and the position of the connecting end head is arranged at the right side of the cam.
The technical scheme is as follows: the connecting end is connected with the shaft belt wheel through an inner hole, and the other end is connected with an engine valve through an end key groove on the shaft sleeve.
The beneficial effects of the utility model are as follows:
This high security automobile camshaft through being provided with high manganese steel core, utilizes high manganese steel toughness, characteristics that intensity is big, improves the intensity and the toughness of whole camshaft, prevents that the camshaft from breaking in the use, improves the security of camshaft, through setting up the end keyway, utilizes the block connected mode of end key and end keyway, can make camshaft connection more firm, avoids the camshaft to take place the slip phenomenon when connecting, makes the safer and more reliable of camshaft connection.
The high-safety automobile cam shaft is provided with the cam adjustable assembly, the cam is connected with the shaft body through the assembly, and when the angle between the left end cam and the right end cam needs to be adjusted, the front cam and the rear cam can be detached and combined again.
Drawings
FIG. 1 is a schematic perspective view of a high-safety automobile camshaft according to the present utility model;
FIG. 2 is a schematic diagram of an inner view of an alloy spindle of a high-safety automobile camshaft according to the present utility model;
FIG. 3 is a schematic diagram of a cam structure of a high-safety automobile cam shaft according to the present utility model;
Fig. 4 is a schematic diagram of an oil slinger structure of a high-safety automobile camshaft according to the present utility model.
In the figure: 1. an alloy main shaft; 2. a high manganese steel core; 3. a transverse oil groove; 4. a shaft sleeve; 5. an end key slot; 6. a connecting end; 7. an oil slinger; 8. a cam; 9. sealing grooves; 10. a sealing block; 11. positioning screw holes; 12. positioning bolts; 13. an annular oil groove; 801. a fixing bolt; 802. a front cam; 803. a groove; 804. a bump; 805. a rear cam; 806. fixing screw holes.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
Embodiments of the present patent are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present patent and are not to be construed as limiting the present patent.
Referring to fig. 1-4, a high-safety automobile camshaft, including alloy main shaft 1, the inside fixedly connected with high manganese steel core 2 of alloy main shaft 1, and the outside fixedly connected with cam 8 and the oil slinger 7 of alloy main shaft 1 respectively, and the right-hand member fixedly connected with connecting end 6 of alloy main shaft 1, and seal groove 9 has been seted up to the left end of alloy main shaft 1, and the inside grafting of seal groove 9 has sealing block 10, and sealing block 10 is keeping away from the one end fixedly connected with bush 4 of seal groove 9, and the left end of bush 4 has been seted up end keyway 5, lie in high manganese steel core 2, utilize high manganese steel toughness, intensity and toughness of whole camshaft are improved, prevent the camshaft fracture in the use, improve the security of camshaft, through setting up end keyway 5, utilize the block connected mode of end key and end keyway 5, can make the camshaft connect more firmly, avoid the camshaft to take place sliding phenomenon when connecting, make the camshaft more safe and reliable when connecting.
Specifically, the locating screw holes 11 are formed in the matching parts of the sealing block 10 and the alloy spindle 1, the locating screw holes 11 are internally connected with locating bolts 12 in a threaded mode, and the tightness of the assembly connection of the alloy spindle 1 and the shaft sleeve 4 can be enhanced by adopting a threaded fastening mode, so that the loose detachment of the camshaft during operation is avoided.
Specifically, the transverse middle end of the oil slinger 7 is provided with the transverse oil groove 3, the middle end of the oil slinger 7 is provided with the annular oil groove 13, the annular oil groove 13 and the transverse oil groove 3, and the annular oil groove 13 and the transverse oil groove 3 can provide a large amount of lubricating oil for the cam 8 when the cam shaft works, so that abrasion of the bottom surface of the tappet due to insufficient lubrication between the cam 8 and the tappet is prevented, and the cam shaft can maintain good working efficiency.
Specifically, the cam 8 includes a front cam 802 and a rear cam 805, the rear end of the front cam 802 is movably connected with the front end of the rear cam 805, the axes of the front cam 802 and the rear cam 805 are movably connected with the outer wall of the alloy spindle 1, the cam 8 is assembled in an adjustable manner, the cam 8 is connected with the spindle body in an adjustable manner, and when the angle between the left end cam 8 and the right end cam 8 needs to be adjusted, the angle can be adjusted through the fixing bolt 801.
Specifically, the rear end of the front cam 802 is provided with a groove 803, the front end of the rear cam 805 is fixedly connected with a bump 804, and the bump 804 is placed in the groove 803 provided by the front cam 802, so that the front cam 802 and the rear cam 805 can be effectively and firmly combined into the cam 8.
Specifically, the adapting parts of the protruding block 804 and the front cam 802 are provided with fixing screw holes 806, the fixing screw holes 806 are internally connected with fixing bolts 801 in a threaded manner, the cams 8 are assembled in an adjustable manner, the cams 8 are connected with the shaft body in an adjustable manner through the assembly, and when the angle between the left end cam 8 and the right end cam 8 needs to be adjusted, the front cam 802 and the rear cam 805 can be disassembled and assembled again.
Specifically, the number of cams 8 is four, and the positions of cams 8 are arranged on two sides of the oil slinger 7, so that a large amount of lubricating oil is provided for the cams 8, abrasion of the bottom surface of the tappet due to insufficient lubrication between the cams 8 and the tappet is prevented, and the camshaft can maintain good working efficiency.
Specifically, the position of the shaft sleeve 4 is set on the left side of the cam 8, the position of the connecting end 6 is set on the right side of the cam 8, the connecting end 6 is connected with the shaft belt wheel through an inner hole, and the other end is connected with the engine valve through an end key slot 5 on the shaft sleeve 4.
Working principle: the connecting end 6 is connected with the shaft belt wheel through an inner hole, the other end is connected with an engine valve through an end key groove 5 on the shaft sleeve 4, the left end cam 8 and the right end cam 8 are respectively an air inlet cam 8 and an air outlet cam 8, the characteristics of high toughness and high strength of high manganese steel are utilized, the strength and toughness of the whole camshaft are improved, the camshaft is prevented from being broken in the use process, and the safety of the camshaft is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a high security car camshaft, includes alloy main shaft (1), its characterized in that, the inside fixedly connected with high manganese steel core (2) of alloy main shaft (1), and the outside of alloy main shaft (1) is fixedly connected with cam (8) respectively and throws oil wheel (7), and the right-hand member fixedly connected with of alloy main shaft (1) connects end (6), and seal groove (9) have been seted up to the left end of alloy main shaft (1), and the inside grafting of seal groove (9) has sealing block (10), and sealing block (10) are in the one end fixedly connected with sleeve pipe (4) of keeping away from seal groove (9), and end keyway (5) have been seted up to the left end of sleeve pipe (4).
2. The high-safety automobile camshaft according to claim 1, wherein the matching parts of the sealing block (10) and the alloy main shaft (1) are provided with positioning screw holes (11), and the positioning screw holes (11) are internally connected with positioning bolts (12) in a threaded manner.
3. The high-safety automobile camshaft according to claim 1, wherein the transverse middle end of the oil slinger (7) is provided with a transverse oil groove (3), and the middle end of the oil slinger (7) is provided with an annular oil groove (13).
4. The high-safety automobile cam shaft according to claim 1, wherein the cam (8) comprises a front cam (802) and a rear cam (805), the rear end of the front cam (802) is movably connected with the front end of the rear cam (805), and the axle centers of the front cam (802) and the rear cam (805) are movably connected with the outer wall of the alloy main shaft (1).
5. The high-safety automobile camshaft as claimed in claim 4, wherein the rear end of the front cam (802) is provided with a groove (803), and the front end of the rear cam (805) is fixedly connected with a bump (804).
6. The high-safety automobile camshaft according to claim 5, wherein the adapting parts of the protruding block (804) and the front cam (802) are provided with fixing screw holes (806), and the fixing screw holes (806) are internally connected with fixing bolts (801) in a threaded manner.
7. A high safety automotive camshaft according to claim 1, characterized in that the number of cams (8) is four and that the position of the cams (8) is arranged on both sides of the slinger (7).
8. A high safety automotive camshaft according to claim 1, characterized in that the position of the shaft sleeve (4) is arranged to the left of the cam (8) and the position of the connecting end (6) is arranged to the right of the cam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323273123.6U CN221032788U (en) | 2023-12-01 | 2023-12-01 | High-safety automobile cam shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323273123.6U CN221032788U (en) | 2023-12-01 | 2023-12-01 | High-safety automobile cam shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221032788U true CN221032788U (en) | 2024-05-28 |
Family
ID=91136493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323273123.6U Active CN221032788U (en) | 2023-12-01 | 2023-12-01 | High-safety automobile cam shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221032788U (en) |
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2023
- 2023-12-01 CN CN202323273123.6U patent/CN221032788U/en active Active
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