CN216519453U - Multi-specification compatible crankshaft - Google Patents
Multi-specification compatible crankshaft Download PDFInfo
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- CN216519453U CN216519453U CN202123377133.5U CN202123377133U CN216519453U CN 216519453 U CN216519453 U CN 216519453U CN 202123377133 U CN202123377133 U CN 202123377133U CN 216519453 U CN216519453 U CN 216519453U
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- connecting rod
- crankshaft
- wall
- journal
- gasket
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Abstract
The utility model belongs to the technical field of crankshafts, and particularly relates to a multi-specification compatible crankshaft, which comprises a crankshaft body, wherein a piston connecting rod and a connecting rod cover are arranged on the outer wall of a connecting rod journal of the crankshaft body, a bearing bush is arranged between the piston connecting rod and the connecting rod cover and the journal of the crankshaft body, the piston connecting rod and the connecting rod cover are fixedly connected through a connecting rod bolt, a sleeve shell is sleeved on the outer wall of the connecting rod bolt, two gaskets are arranged inside the sleeve shell, a sleeve ring is connected to the lower part inside the sleeve shell in a sliding manner, a nut is connected to the lower part of the outer wall of the connecting rod bolt in a threaded manner, a plurality of notches are formed in the peripheral ring of the outer wall of each gasket, a plurality of limiting heads are arranged at the upper end of the inner wall of the sleeve shell and positioned inside each notch, an arc groove concentric with the journal is formed inside a main shaft of the crankshaft body, and a ball is arranged inside each arc groove, so that the problem that looseness is generated between the connecting rod bolt and the nut due to long-time movement is solved, the problems of cylinder scuffing of the generator and the like can be caused seriously.
Description
Technical Field
The utility model belongs to the technical field of crankshafts, and particularly relates to a multi-specification compatible crankshaft.
Background
The crankshaft is a main rotating machine part of the engine, after the connecting rod is arranged, the crankshaft arm can bear the up-and-down motion of the connecting rod and becomes a circulating motion, and the crankshaft is an important machine part on the engine; in view of the problems that the prior crankshaft is exposed to during use, the crankshaft needs to be structurally improved and optimized.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides the multi-specification compatible crankshaft which has the characteristics of avoiding the loosening of nuts and the balance of the crankshaft when the piston connecting rod group is connected with the crankshaft.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a compatible bent axle of many specifications, includes the bent axle body, piston connecting rod and connecting rod cap are installed to the connecting rod journal outer wall of bent axle body, install the axle bush between the journal of piston connecting rod and connecting rod cap and bent axle body, piston connecting rod and connecting rod cap pass through connecting rod bolt fixed connection, the outer wall cover of connecting rod bolt has the cover shell, two internally mounted of cover shell have the packing ring, the inside below sliding connection of cover shell has the lantern ring, connecting rod bolt's outer wall below threaded connection has the nut.
As a preferred technical scheme of the multi-specification compatible crankshaft, a plurality of notches are formed in the periphery of the outer wall of the gasket.
As a preferred technical scheme of the multi-specification compatible crankshaft, the upper end of the inner wall of the casing is provided with a plurality of limiting heads, and the limiting heads are positioned inside the notches.
As a preferred technical scheme of the multi-specification compatible crankshaft, an arc groove concentric with a main journal is formed in a balance block of a crankshaft body, and a ball is mounted in the arc groove.
As the preferred technical scheme of the multi-specification compatible crankshaft, the crankshaft body is made of nodular cast iron and integrally cast and molded.
As a preferred technical scheme of the multi-specification compatible crankshaft, the gasket is a disc spring gasket.
Compared with the prior art, the utility model has the beneficial effects that: after the piston connecting rod and the connecting rod cap are arranged on a connecting rod journal of the crankshaft body, the piston connecting rod and the connecting rod cap are connected by inserting a connecting rod bolt, after a sleeve shell is sleeved at the bottom, a nut is arranged to screw the piston connecting rod and the connecting rod cap, a lantern ring is pushed by the nut to extrude a gasket, and when the gasket is closer to a flattening state, the tension moment is increased faster, so that proper bolt tension can be obtained, and the nut can be prevented from loosening by the thrust of the gasket to the nut; the two washers are assembled in a matched mode, so that the functions of preventing loosening and increasing pretightening force can be achieved; the balance is achieved by ball balls rolling back and forth in the arc groove.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of the structure of portion A of FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of the jacket of the present invention;
in the figure: 1. a crankshaft body; 2. bearing bushes; 3. a piston connecting rod; 4. a connecting rod cover; 5. a connecting rod bolt; 6. a housing; 7. a gasket; 8. a collar; 9. a notch; 10. a limiting head; 11. a nut; 12. an arc groove; 13. a ball.
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.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: a multi-specification compatible crankshaft comprises a crankshaft body 1, a piston connecting rod 3 and a connecting rod cover 4 are installed on the outer wall of a connecting rod journal of the crankshaft body 1, a bearing bush 2 is installed between the piston connecting rod 3 and the connecting rod cover 4 and the journal of the crankshaft body 1, the piston connecting rod 3 and the connecting rod cover 4 are fixedly connected through a connecting rod bolt 5, a sleeve shell 6 is sleeved on the outer wall of the connecting rod bolt 5, two gaskets 7 are installed inside the sleeve shell 6, a sleeve ring 8 is connected to the lower portion inside the sleeve shell 6 in a sliding mode, and a nut 11 is connected to the lower portion of the outer wall of the connecting rod bolt 5 in a threaded mode. Thus, a proper bolt tension can be obtained, and the nut 11 can be prevented from loosening by the thrust of the washer 7 to the nut 11.
Specifically, the peripheral ring of the outer wall of the gasket 7 is provided with a plurality of notches 9, so that the gasket 7 has large supporting load and elastic recovery when being stressed in the embodiment.
Specifically, the inner wall upper end of cover 6 is equipped with a plurality of spacing head 10, and spacing head 10 is located the inside of notch 9, avoids packing ring 7 to rock inside cover 6 in this embodiment for the uneven power that packing ring 7 received.
Specifically, an arc groove 12 concentric with the main journal is formed in the balance weight of the crankshaft body 1, a ball 13 is mounted in the arc groove 12, and the ball 13 rolling back and forth in the arc groove 12 is used for balancing in this embodiment.
Specifically, the crankshaft body 1 is made of nodular cast iron and integrally cast, and the crankshaft body has enough strength and rigidity in the embodiment, so that the surface of a shaft neck is wear-resistant, the work is uniform, and the balance is good.
Specifically, the gasket 7 is a disc spring gasket, and in this embodiment, the two gaskets 7 are assembled in an involutory manner, so that the functions of preventing loosening and increasing pretightening force can be achieved.
The working principle and the using process of the utility model are as follows: firstly, after a piston connecting rod 3 and a connecting rod cover 4 are arranged on a connecting rod journal of a crankshaft body 1, connecting the piston connecting rod 3 and the connecting rod cover 4 by inserting a connecting rod bolt 5, sleeving a sleeve shell 6 on the bottom, installing a nut 11 to screw the piston connecting rod, pushing a lantern ring 8 to extrude a gasket 7 by the nut 11, and increasing the tension moment faster when the gasket 7 is closer to a flattening state so as to obtain proper bolt pulling force, and further preventing the nut 11 from loosening by the pushing force of the gasket 7 to the nut 11; the balancing is achieved by the ball 13 rolling back and forth in the arc groove 12.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a compatible bent axle of many specifications, includes bent axle body (1), its characterized in that: piston connecting rod (3) and connecting rod cap (4) are installed to the connecting rod journal outer wall of bent axle body (1), install axle bush (2) between the journal of piston connecting rod (3) and connecting rod cap (4) and bent axle body (1), piston connecting rod (3) and connecting rod cap (4) pass through connecting rod bolt (5) fixed connection, the outer wall cover of connecting rod bolt (5) has cover shell (6), two internally mounted of cover shell (6) have packing ring (7), the inside below sliding connection of cover shell (6) has lantern ring (8), the outer wall below threaded connection of connecting rod bolt (5) has nut (11).
2. A multi-gauge compatible crankshaft according to claim 1, wherein: the periphery of the outer wall of the gasket (7) is provided with a plurality of notches (9).
3. A multi-gauge compatible crankshaft according to claim 1, wherein: the upper end of the inner wall of the casing (6) is provided with a plurality of limiting heads (10), and the limiting heads (10) are positioned inside the notches (9).
4. A multi-gauge compatible crankshaft according to claim 1, wherein: an arc groove (12) concentric with the main journal is formed in the balance block of the crankshaft body (1), and a ball (13) is mounted in the arc groove (12).
5. A multi-gauge compatible crankshaft according to claim 1, wherein: the crankshaft body (1) is made of nodular cast iron and is integrally cast and molded.
6. A multi-gauge compatible crankshaft according to claim 1, wherein: the gasket (7) is a disc spring gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377133.5U CN216519453U (en) | 2021-12-30 | 2021-12-30 | Multi-specification compatible crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123377133.5U CN216519453U (en) | 2021-12-30 | 2021-12-30 | Multi-specification compatible crankshaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519453U true CN216519453U (en) | 2022-05-13 |
Family
ID=81514463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123377133.5U Active CN216519453U (en) | 2021-12-30 | 2021-12-30 | Multi-specification compatible crankshaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519453U (en) |
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2021
- 2021-12-30 CN CN202123377133.5U patent/CN216519453U/en active Active
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