CN219605805U

CN219605805U - Wear-resisting bent axle

Info

Publication number: CN219605805U
Application number: CN202320346219.1U
Authority: CN
Inventors: 李竹娣
Original assignee: Wenzhou Dongda Compressor Technology Co ltd
Current assignee: Wenzhou Dongda Compressor Technology Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-08-29
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to a wear-resistant crankshaft, which comprises a main journal and main shaft rods arranged on two sides of the main journal, wherein a plurality of lubrication holes are formed in the periphery of the main journal at equal intervals, a lubrication assembly is arranged in each lubrication hole, each lubrication assembly comprises a lubrication piece, oil storage cotton, a pressing oil piece and a pressing oil spring, a circle of oil storage cavity is formed in the main journal on the inner side of each lubrication hole, each lubrication piece is embedded in each lubrication hole, one end of each pressing oil spring is connected with the bottom wall of each oil storage cavity, the other end of each pressing oil spring is connected with each pressing oil piece, each oil storage cotton is arranged on each pressing oil piece, and each oil storage cavity is communicated with each lubrication hole through an oil hole. According to the utility model, the lubrication holes are uniformly distributed on the main journal, and the lubrication assembly is arranged at the inner side of the lubrication holes and directly acts on the outer wall of the main journal, so that the lubrication assembly directly lubricates the joint of the crankshaft and the piston connecting rod during working, the lubrication effect of the crankshaft is greatly improved, the working wear is reduced, and the service life is prolonged.

Description

Wear-resisting bent axle

Technical Field

The utility model relates to the technical field of crankshafts, in particular to a wear-resistant crankshaft.

Background

The crankshaft is the most important part of the engine, and is a double-cylinder engine, a three-cylinder engine or a four-cylinder engine, and the crankshaft is required to be used as a main connecting transmission part, bears the force transmitted by a connecting rod, converts the force into torque, outputs the torque through the crankshaft and drives other auxiliary work on the engine. The crankshaft is subjected to the combined action of centrifugal force of rotating mass, periodically-changed gas inertia force and reciprocating inertia force, so that the crankshaft is subjected to bending and torsion load, and therefore, the crankshaft is required to have enough strength and rigidity, and the journal surface needs to be wear-resistant, uniform in work and good in balance.

However, when the existing crankshaft is used, most of the existing crankshafts are externally lubricated, lubricating oil is difficult to directly act on the joint of the crankshaft and a piston connecting rod, so that abrasion loss is large when the crankshaft works, and the service life of the crankshaft is reduced.

Disclosure of Invention

Aiming at the defects in the background technology, the utility model provides a wear-resistant crankshaft.

The technical scheme adopted by the utility model is as follows: the utility model provides a wear-resisting bent axle, includes the main journal and sets up the spindle shaft in main journal both sides, main journal periphery equidistant is equipped with a plurality of lubrication holes, set up lubrication assembly in the lubrication hole, lubrication assembly includes lubricated piece, oil storage cotton, pressure oil piece and pressure oil spring, be equipped with round oil storage chamber in the main journal of lubrication hole inboard, the lubrication piece inlays the dress in the lubrication hole, pressure oil spring one end is connected with oil storage chamber diapire, and the other end is connected with the pressure oil piece, the cotton setting of oil storage is on the pressure oil piece, through the oilhole intercommunication between oil storage chamber and the lubrication hole.

Further, the section of the oil passing hole is of an inverted cone structure.

Further, a spring hole is formed in the bottom of the oil storage cavity.

Further, the upper and lower both sides of the smooth piece all are equipped with the oil locking groove, be equipped with the through-hole that lubricating oil passed through in the oil locking groove.

Furthermore, mounting grooves are formed in two sides of the lubricating hole, and embedded protruding blocks matched with the mounting grooves are arranged on two sides of the lubricating piece.

Further, an oil filling hole communicated with the oil storage cavity is formed in the main shaft rod on one side of the main journal, and a cock is arranged at the inlet of the oil filling hole.

The beneficial effects of the utility model are as follows: according to the utility model, the lubrication holes are uniformly distributed on the main journal, and the lubrication assembly is arranged at the inner side of the lubrication holes and directly acts on the outer wall of the main journal, so that the lubrication assembly directly lubricates the joint of the crankshaft and the piston connecting rod during working, the lubrication effect of the crankshaft is greatly improved, the working wear is reduced, and the service life is prolonged.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages.

The utility model will be described in further detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a partial cross-sectional view of the present utility model.

Fig. 3 is an enlarged schematic view of fig. 1 at a.

Fig. 4 is an enlarged schematic view at B in fig. 2.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

The utility model provides a wear-resistant crankshaft.

In this embodiment, referring to fig. 1-2, this wear-resisting bent axle, including main journal 1 and main shaft pole 2 of setting in main journal both sides, main journal periphery equidistant is equipped with a plurality of lubrication holes 3, set up lubrication assembly in the lubrication hole, lubrication assembly includes lubrication piece 4, oil storage cotton 5, pressure oil piece 6 and pressure oil spring 7, be equipped with round oil storage chamber 8 in the main journal of lubrication hole inboard, the lubrication piece inlays the dress in the lubrication hole, pressure oil spring one end is connected with the oil storage chamber diapire, and the other end is connected with the pressure oil piece, the oil storage cotton sets up on the pressure oil piece, through oilhole 9 intercommunication between oil storage chamber and the lubrication hole.

In the above technical scheme, through equipartition lubrication hole on the main journal, set up lubrication assembly simultaneously in lubrication hole inboard, lubrication assembly directly acts on the main journal outer wall to during operation, lubrication assembly directly lubricates the junction of bent axle and piston connecting rod, improves the lubrication effect of bent axle greatly, reduces the work wearing and tearing, improves life.

When the crankshaft works and rotates, the lubricating oil in the oil storage cotton is extruded by the pressure oil sheet to flow to the lubrication sheet to lubricate the outer wall of the main journal under the action of centrifugal force, so that the sliding friction between the main journal and the piston connecting rod is greatly reduced, and the service life is prolonged.

The oil spring plays a supporting role, and is used for dragging the oil storage cotton and the oil pressing sheet under the condition that the crankshaft is static.

Specifically, the cross section of the oil passing hole is of an inverted cone structure.

In the technical scheme, the oil passing hole adopts an inverted cone structure, so that lubricating oil can flow out conveniently, and the effect of lubricating oil diffusion is achieved.

Specifically, the bottom of the oil storage cavity is provided with a spring hole 10.

In the technical scheme, the spring hole is used for positioning one end of the pressure oil spring on one hand and storing lubricating oil on the other hand.

Specifically, the upper and lower both sides of the smooth piece all are equipped with lock oil groove 11, be equipped with the through-hole 12 that lubricating oil passed through in the lock oil groove.

Among the above-mentioned technical scheme, lock the effect that the oil groove played diffusion lubricating oil, improve lubricated effect.

Specifically, the two sides of the lubrication hole are provided with mounting grooves 13, and the two sides of the lubrication piece are provided with embedded protruding blocks 14 which are matched with the mounting grooves; an oil filling hole 15 communicated with the oil storage cavity is formed in the main shaft rod on one side of the main journal, and a cock 16 is arranged at the inlet of the oil filling hole.

When lubrication is needed, the oil storage cavity is filled with oil through the inlet of the oil filling hole, and then the oil storage cavity is plugged through the cock.

The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a wear-resisting bent axle, includes main journal and sets up the main shaft pole in main journal both sides, its characterized in that: the lubricating assembly comprises a lubricating piece, oil storage cotton, an oil pressing piece and an oil pressing spring, a circle of oil storage cavity is formed in the main journal on the inner side of the lubricating hole, the lubricating piece is embedded in the lubricating hole, one end of the oil pressing spring is connected with the bottom wall of the oil storage cavity, the other end of the oil pressing spring is connected with the oil pressing piece, the oil storage cotton is arranged on the oil pressing piece, and the oil storage cavity is communicated with the lubricating hole through an oil passing hole.

2. A wear resistant crankshaft as in claim 1, wherein: the section of the oil passing hole is of an inverted cone structure.

3. A wear resistant crankshaft as in claim 1, wherein: the bottom of the oil storage cavity is provided with a spring hole.

4. A wear resistant crankshaft as in claim 1, wherein: the upper and lower both sides of smooth piece all are equipped with the oil locking groove, be equipped with the through-hole that lubricating oil passed through in the oil locking groove.

5. A wear resistant crankshaft as claimed in claim 2, wherein: the two sides of the lubrication hole are provided with mounting grooves, and the two sides of the lubrication piece are provided with embedded protruding blocks which are matched with the mounting grooves.

6. A wear resistant crankshaft as in claim 1, wherein: an oil filling hole communicated with the oil storage cavity is formed in the main shaft rod on one side of the main journal, and a cock is arranged at the inlet of the oil filling hole.