CN215720157U - Crankshaft structure with good lubricating effect - Google Patents
Crankshaft structure with good lubricating effect Download PDFInfo
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- CN215720157U CN215720157U CN202122166553.2U CN202122166553U CN215720157U CN 215720157 U CN215720157 U CN 215720157U CN 202122166553 U CN202122166553 U CN 202122166553U CN 215720157 U CN215720157 U CN 215720157U
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- rod journal
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Abstract
The utility model discloses a crankshaft structure with a good lubricating effect, which comprises crank blocks and a connecting rod neck shaft, wherein the middle positions of the opposite sides of the two crank blocks are fixedly connected with shaft heads, the upper ends of the crank blocks are respectively provided with a square hole, the two ends of the connecting rod neck shaft are respectively fixedly connected with a square connector, and the connecting rod neck shaft is arranged between the two square holes through the two square connectors; the installation shallow groove is formed in the middle of the installation sleeve, so that the connection of the connecting rod is facilitated, the installation shallow groove is arranged, the abrasion caused by the direct contact connection of the connecting rod and the connecting rod neck shaft is avoided, and the first oil penetration hole, the square through hole and the second oil penetration hole are formed, so that lubricating oil can penetrate in the installation shallow groove during use, the lubricating oil can enter a gap between the connecting rod neck shaft and the installation sleeve to lubricate a ball, the lubrication effect is good, the abrasion is effectively reduced, and the service life of the crankshaft is longer.
Description
Technical Field
The utility model relates to the technical field of crankshafts, in particular to a crankshaft structure with a good lubricating effect.
Background
The crank is the main rotating part of the engine, and after the connecting rod is arranged, the crank can bear the up-and-down (reciprocating) motion of the connecting rod to be changed into the circulating (rotating) motion. Is an important part of an engine, and the material of the part is made of carbon structural steel or nodular cast iron and has two important parts, namely a main journal, a connecting rod journal and the like. The main journal is mounted on the cylinder body, the connecting rod journal is connected with the connecting rod big end hole, and the connecting rod small end hole is connected with the cylinder piston, and the crank block mechanism is typical. The lubrication of the crankshaft mainly refers to the lubrication between the bearing bush and the connecting rod neck of the connecting rod big end and the lubrication between the two fixed points. And is also the source power of the whole mechanical system.
In the application of the crankshaft, after a connecting rod journal of the crankshaft is connected with a connecting rod, because a gap between the connecting rod and the connecting rod journal is small, lubricating oil is not easy to enter, lubrication is easy to occur and is not supplemented, an oil film cannot be formed, dry friction is easy to form, and then great abrasion can be brought to the connecting rod and the connecting rod journal.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a crankshaft structure with good lubricating effect so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a crankshaft structure with a good lubricating effect comprises crank blocks and a connecting rod neck shaft, wherein shaft heads are fixedly connected to the middle positions of the opposite sides of the two crank blocks, square holes are formed in the upper ends of the crank blocks, square connectors are fixedly connected to the two ends of the connecting rod neck shaft, the connecting rod neck shaft is installed between the two square holes through the two square connectors, and locking assemblies used for locking the connecting rod neck shaft are arranged on the crank blocks;
all set up the square through hole who runs through square connector and connecting rod journal in square connector and the connecting rod journal, six at least second oil impregnate holes have still been seted up at connecting rod journal both ends, the epaxial installation cover that still overlaps of connecting rod journal, install the ball subassembly that is used for reducing connecting rod journal and installation cover friction between installation cover and the connecting rod journal, six at least first oil impregnate holes have all been seted up at the both ends of installation cover.
As a further scheme of the utility model: the locking assembly comprises a threaded hole and stepped holes, the threaded hole is formed in the position of the upper end face of the square connecting head respectively, the two stepped holes are formed in the positions of the upper end of the crank block respectively, and a locking screw used for being in threaded connection with the threaded hole to lock the square connecting head is arranged in each stepped hole.
As a still further scheme of the utility model: the ball subassembly includes first annular, the position at connecting rod journal surface both ends is seted up to first annular, two second annular corresponding with first annular are all seted up at the inboard both ends of installation cover, are equipped with a plurality of ball between with the second annular of one side and the first annular, install the holder on the ball.
As a still further scheme of the utility model: and the middle position of the outer surface of the mounting sleeve is provided with a mounting shallow groove.
As a still further scheme of the utility model: the locking screw is a socket head cap screw.
As a still further scheme of the utility model: the six first oil penetration holes and the six second oil penetration holes are arranged at equal intervals.
Compared with the prior art, the utility model has the beneficial effects that:
1. the installation shallow groove is formed in the middle of the installation sleeve, so that the connection of the connecting rod is facilitated, the installation shallow groove is arranged, the abrasion caused by the direct contact connection of the connecting rod and the connecting rod neck shaft is avoided, and the first oil penetration hole, the square through hole and the second oil penetration hole are formed, so that lubricating oil can penetrate in the installation shallow groove during use, the lubricating oil can enter a gap between the connecting rod neck shaft and the installation sleeve to lubricate a ball, the lubrication effect is good, the abrasion is effectively reduced, and the service life of the crankshaft is longer.
2. According to the utility model, the square connector and the connecting rod neck shaft can be locked through the threaded hole, the stepped hole and the locking screw, and meanwhile, when the connecting rod neck shaft or the mounting sleeve is damaged, only the connecting rod neck shaft and the mounting sleeve are required to be disassembled for replacement, the whole crankshaft is not required to be replaced, the maintenance cost is reduced, and the maintenance economy is improved.
Drawings
Fig. 1 is a schematic structural diagram of a crankshaft structure with a good lubricating effect.
Fig. 2 is a schematic view of a disassembled structure of a crankshaft structure with a good lubricating effect.
Fig. 3 is a schematic view of a partial structure of a crankshaft structure with good lubrication effect.
Fig. 4 is a schematic structural view of a connecting rod journal shaft in a crankshaft structure with a good lubricating effect.
Fig. 5 is a schematic sectional structural view of a mounting sleeve in a crankshaft structure with a good lubricating effect.
FIG. 6 is a schematic cross-sectional view of a crank block in a crankshaft structure with good lubrication.
Wherein: 1. a shaft head; 2. a crank block; 3. a square connector; 4. installing a sleeve; 5. installing shallow grooves; 6. a square hole; 7. a stepped hole; 8. a locking screw; 9. a first oil penetration hole; 10. a threaded hole; 11. a square through hole; 12. a second oil seepage hole; 13. a connecting rod journal shaft; 14. a ball bearing; 15. a holder; 16. a first ring groove; 17. a second ring groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a crankshaft structure with a good lubrication effect includes a crankshaft block 2 and a connecting rod neck shaft 13, a shaft head 1 is fixedly connected to the middle position of the opposite side of the two crankshaft blocks 2, a square hole 6 is formed at the upper end of each crankshaft block 2, a square connector 3 is fixedly connected to each of the two ends of the connecting rod neck shaft 13, the connecting rod neck shaft 13 is installed between the two square holes 6 through the two square connectors 3, and a locking assembly for locking the connecting rod neck shaft 13 is disposed on each crankshaft block 2; the locking assembly comprises threaded holes 10 and stepped holes 7, the two threaded holes 10 are respectively formed in the upper end face of the square connector 3, the two stepped holes 7 are respectively formed in the upper end of the crank block 2, and locking screws 8 which are in threaded connection with the threaded holes 10 and used for locking the square connector 3 are arranged in the stepped holes 7; the locking screw 8 is a socket head cap screw.
Through the screw hole 10 that sets up, shoulder hole 7 and locking screw 8, can realize the locking to square connector 3 and connecting rod journal 13, when connecting rod journal 13 or installation cover 4 take place to damage simultaneously, only need to dismantle connecting rod journal 13 and installation cover 4 get off and change, need not to change whole bent axle, have reduced cost of maintenance, have promoted maintenance economy.
Square through holes 11 penetrating through the square connectors 3 and the connecting rod neck shafts 13 are formed in the square connectors 3 and the connecting rod neck shafts 13, at least six second oil seepage holes 12 are formed in two ends of each connecting rod neck shaft 13, an installation sleeve 4 is further sleeved on each connecting rod neck shaft 13, a ball assembly used for reducing friction between each connecting rod neck shaft 13 and the installation sleeve 4 is installed between each installation sleeve 4 and each connecting rod neck shaft 13, and at least six first oil seepage holes 9 are formed in two ends of each installation sleeve 4;
through the first oil impregnate hole 9, square through hole 11 and the second oil impregnate hole 12 that set up, can make lubricating oil infiltration when using, and then make lubricating oil enter into the connecting rod journal 13 and the installation cover 4 between the space in, lubricate ball 14, lubricated effectual, the wearing and tearing have effectually alleviateed for the life of bent axle is longer.
The middle position of the outer surface of the mounting sleeve 4 is provided with a mounting shallow groove 5; the six first oil penetration holes 9 and the six second oil penetration holes 12 are arranged at equal intervals.
The connection of the connecting rod can be facilitated by the installation shallow groove 5 arranged in the middle of the installation sleeve 4, and meanwhile, due to the installation of the installation shallow groove 5, the condition of abrasion caused by the direct contact connection of the connecting rod and the connecting rod neck shaft 13 is avoided.
The ball subassembly includes first annular 16, the position at connecting rod journal 13 surface both ends is seted up to first annular 16, two second annular 17 corresponding with first annular 16 have all been seted up at the inboard both ends of installation cover 4, are equipped with a plurality of ball 14 between second annular 17 with one side and the first annular 16, install holder 15 on the ball 14.
Through the annular groove, ball 14 and the holder 15 that set up, can change the sliding friction with connecting rod journal 13 originally into rolling friction when using, the effectual frictional force that has reduced reduces wearing and tearing.
The working principle of the utility model is as follows: according to the utility model, through the arrangement of the installation shallow grooves 5, the balls 14 and the retainer 15, the sliding friction with the connecting rod neck shaft 13 originally can be changed into rolling friction during use, the friction force is effectively reduced, the abrasion is reduced, meanwhile, the arranged first oil penetration hole 9, the square through hole 11 and the second oil penetration hole 12 can allow lubricating oil to penetrate during use, so that the lubricating oil enters a gap between the connecting rod neck shaft 13 and the installation sleeve 4 to lubricate the balls 14, the lubricating effect is good, the abrasion is effectively reduced, the square connector 3 and the connecting rod neck shaft 13 can be locked through the arranged threaded hole 10, the stepped hole 7 and the locking screw 8, and meanwhile, when the connecting rod neck shaft 13 or the installation sleeve 4 is damaged, only the connecting rod neck shaft 13 and the installation sleeve 4 need to be disassembled for replacement without replacing the whole crankshaft, and the maintenance cost is effectively reduced.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and that the present invention may be practiced in other specific forms, and that the present specification together with its components set forth in the various embodiments may be suitably combined to form other embodiments, which will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a lubricated effectual crankshaft structure, includes crank block (2) and connecting rod journal (13), the equal fixedly connected with spindle nose (1) of intermediate position of two opposite crank block (2) one sides, its characterized in that: the upper end of the crank block (2) is provided with square holes (6), two ends of the connecting rod neck shaft (13) are fixedly connected with square connectors (3), the connecting rod neck shaft (13) is installed between the two square holes (6) through the two square connectors (3), and the crank block (2) is provided with locking assemblies for locking the connecting rod neck shaft (13);
all offer square through hole (11) that run through square connector (3) and connecting rod journal (13) in square connector (3) and connecting rod journal (13), at least six second oil impregnate hole (12) have still been seted up at connecting rod journal (13) both ends, it is equipped with installation cover (4) still to overlap on connecting rod journal (13), install between installation cover (4) and connecting rod journal (13) and be used for reducing connecting rod journal (13) and the frictional ball subassembly of installation cover (4), at least six first oil impregnate hole (9) have all been seted up at the both ends of installation cover (4).
2. The crankshaft structure with the good lubricating effect according to claim 1, wherein the locking assembly comprises a threaded hole (10) and a stepped hole (7), the two threaded holes (10) are respectively formed in the upper end face of the square connector (3), the two stepped holes (7) are respectively formed in the upper end of the crankshaft block (2), and a locking screw (8) which is in threaded connection with the threaded hole (10) and is used for locking the square connector (3) is arranged in each stepped hole (7).
3. A crankshaft structure with good lubrication effect according to claim 1, wherein the ball assembly comprises a first ring groove (16), the first ring groove (16) is opened at two ends of the outer surface of the connecting rod journal shaft (13), two second ring grooves (17) corresponding to the first ring groove (16) are opened at two ends of the inner side of the mounting sleeve (4), a plurality of balls (14) are arranged between the second ring groove (17) and the first ring groove (16) on the same side, and a retainer (15) is installed on the balls (14).
4. The crankshaft structure with good lubricating effect as claimed in claim 1, wherein the mounting sleeve (4) is provided with a mounting shallow groove (5) at the middle position of the outer surface.
5. A crankshaft structure with good lubrication according to claim 2, wherein the locking screw (8) is a socket head cap screw.
6. A crankshaft structure with good lubricating effect according to claim 1, characterized in that six first oil penetrating holes (9) and six second oil penetrating holes (12) are arranged at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166553.2U CN215720157U (en) | 2021-09-08 | 2021-09-08 | Crankshaft structure with good lubricating effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166553.2U CN215720157U (en) | 2021-09-08 | 2021-09-08 | Crankshaft structure with good lubricating effect |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720157U true CN215720157U (en) | 2022-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122166553.2U Active CN215720157U (en) | 2021-09-08 | 2021-09-08 | Crankshaft structure with good lubricating effect |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720157U (en) |
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2021
- 2021-09-08 CN CN202122166553.2U patent/CN215720157U/en active Active
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