CN212202821U

CN212202821U - Crank throw

Info

Publication number: CN212202821U
Application number: CN202020635935.8U
Authority: CN
Inventors: 潘荣伟; 潘莹耀; 林正飞; 吕存格
Original assignee: Zhejiang Carter Power Co ltd
Current assignee: Zhejiang Carter Power Co ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-12-22
Anticipated expiration: 2030-04-24

Abstract

The utility model relates to the technical field of a crank, in particular to a crank, which comprises a crank pin and a rotating ring, wherein the outer wall of the crank pin is provided with an oil injection hole, the inside of the crank pin is provided with an oil injection pipeline at a position close to the lower part of the oil injection hole, the inside of the crank pin is embedded with a piston, the bottom of the piston is provided with a first spring, the outer wall of the crank pin is provided with an oil outlet hole at a position close to the oil injection hole, the inside of the crank pin is provided with an oil outlet pipeline at a position close to the lower part of the oil outlet hole, the inside of the oil outlet pipeline is embedded with a movable column, the lower part of the movable column is provided with a second spring, the bottom of the second spring is provided with a support plate, the support plate is embedded at the bottom of the oil outlet pipeline, the upper surface of the, when the moving speed of the connecting rod becomes fast, the times of the bumps impacting the movable columns are increased, so that the outflow rate of the lubricating oil is increased.

Description

Crank throw

Technical Field

The utility model relates to a crank technical field specifically is a crank.

Background

In the transmission device of the common reciprocating motion equipment, because the force transmission among all components can cause the instant friction of the original contact points or surfaces, the internal abrasion of the components is caused, the fit clearance of the components is too large, the transmission of the components is not stable and reliable, and the equipment operation fails, so the friction parts of the components must be lubricated, but the lubrication design is improper, and the maintenance points are more and other adverse effects are caused.

The problem occurs in the motion of a crank transmission mechanism, and in the existing crank transmission mechanism, the oil outlet rate of lubricating oil cannot be adjusted according to the rotation speed of the crank, so that the consumption of the lubricating oil is too large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a crank throw to in solving the current crank throw drive mechanism who proposes in the above-mentioned background art, can not adjust the oil production rate of lubricating oil according to crank throw slew velocity, to the too big problem of consumption of lubricating oil.

In order to achieve the above object, the utility model provides a following technical scheme:

a crank throw comprises a crank pin and a rotating ring, wherein an oil injection hole is formed in the outer wall of the crank pin, an oil injection pipeline is formed in the position, close to the lower part of the oil injection hole, of the inner part of the crank pin, a piston is embedded in the oil injection pipeline, a first spring is arranged at the bottom of the piston, an oil outlet hole is formed in the position, close to the oil injection hole, of the outer wall of the crank pin, an oil outlet pipeline is formed in the position, close to the lower part of the oil outlet hole, of the inner part of the crank pin, a movable column is embedded in the inner part of the oil outlet pipeline, a second spring is arranged at the lower part of the movable column, a supporting plate is arranged at the bottom of the second spring in an embedded mode, a plurality of through holes are uniformly formed in the upper surface of the supporting plate, an oil storage pipeline is, and a communicating pipeline is arranged between the top position of the side wall of the oil storage pipeline and the side wall of the oil injection pipeline.

Preferably, the crank pin both ends are equipped with the crank wall, crank pin one end the crank wall side is equipped with the main journal, the crank pin other end the crank wall side is equipped with the axle body.

Preferably, the rotating ring is sleeved on the outer side of the crank pin, a connecting rod is arranged above the outer wall of the rotating ring, openings are formed in two ends of the rotating ring, a groove which is of an arc-shaped structure is formed in the position, close to the movable column, of the inner wall of the rotating ring, and a protrusion is embedded in the groove.

Preferably, the bottom of the movable column is provided with a support column, the top surface of the support column is close to the periphery and is evenly provided with a plurality of oil outlet through holes, and the inner diameter of each oil outlet is smaller than that of the oil outlet pipeline.

Preferably, the outer dimension of the piston is the same as the inner dimension of the oil filling pipe, and the height of the piston is larger than the inner height of the communication pipe.

Preferably, the size of the top surface of the oil storage pipeline is larger than that of the bottom surface of the oil outlet pipeline, and the external size of the movable ball is the same as the internal size of the oil storage pipeline.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this crank, through protruding striking activity post, make lubricating oil pass out oil through-hole from the inside outflow of oil outlet, when connecting rod velocity of motion becomes fast, the number of times of protruding striking activity post increases to make lubricating oil outflow rate accelerate.

Drawings

Fig. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a cross-sectional view of the crank pin of the present invention;

FIG. 3 is a cross-sectional view of the rotating ring of the present invention;

fig. 4 is a schematic structural view of the position a of the present invention;

fig. 5 is a schematic view of the structure at B of the present invention.

In the figure: 1. a crank pin; 11. an oil filler hole; 12. an oil outlet hole; 13. an oil injection pipeline; 14. an oil storage pipeline; 15. an oil outlet pipeline; 16. a communicating pipe; 2. a crank wall; 3. a main journal; 4. a shaft body; 5. a movable post; 51. a second spring; 52. an oil outlet through hole; 53. a support pillar; 6. a piston; 61. a first spring; 7. a movable ball; 71. a third spring; 8. a support plate; 81. a through hole; 9. a rotating ring; 91. a groove; 92. a protrusion; 93. a connecting rod; 94. and (4) opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A crank throw, in order to solve the problem that the existing crank throw transmission mechanism can not adjust the oil outlet rate of the lubricating oil according to the rotating speed of the crank throw and has excessive consumption of the lubricating oil, as a preferred embodiment, as shown in figure 1-figure 4, the crank throw comprises a crank pin 1 and a rotating ring 9, the outer wall of the crank pin 1 is provided with an oil injection hole 11, the inner part of the crank pin 1 is provided with an oil injection pipeline 13 near the lower part of the oil injection hole 11, the inner part of the oil injection pipeline 13 is embedded with a piston 6, the bottom of the piston 6 is provided with a first spring 61, the outer wall of the crank pin 1 is provided with an oil outlet 12 near the oil injection hole 11, the inner part of the crank pin 1 is provided with an oil outlet pipeline 15 near the lower part of the oil outlet 12, the inner part of the oil outlet pipeline 15 is embedded with a movable column 5, the lower part of the movable column 5 is, a plurality of through holes 81 are uniformly formed in the upper surface of the supporting plate 8, an oil storage pipeline 14 is formed in the crank pin 1 and is close to the lower portion of the supporting plate 8, a movable ball 7 is embedded in the oil storage pipeline 14, a third spring 71 is arranged at the bottom of the movable ball 7, and a communicating pipeline 16 is formed between the top of the side wall of the oil storage pipeline 14 and the side wall of the oil injection pipeline 13.

In this example, 1 both ends of crank pin are equipped with

crank wall

2, and 2 sides of the crank wall of 1 one end of crank pin are equipped with main journal 3, and 2 sides of the crank wall of 1 other end of crank pin are equipped with axle body 4, through connecting rod 93 up-and-down motion, make swivel 9 drive crank pin 1 rotate to make axle body 4 and main journal 3 rotate.

Further, the swivel becket 9 has been cup jointed in the 1 outside of crank pin, swivel becket 9 outer wall top is equipped with connecting rod 93, opening 94 has been seted up at the swivel becket 9 both ends, the recess 91 that is the arc structure is seted up to the position that the swivel becket 9 inner wall is close to movable post 5, the inside arch 92 that is equipped with that inlays of recess 91, when protruding 92 striking movable post 5, movable post 5 slides to oil outlet pipe 15 is inside, third spring 71 upwards promotes movable ball 7, thereby make lubricating oil pass out oil through-hole 52 from the inside outflow of oil outlet 12.

Specifically, the bottom of the movable column 5 is provided with a support column 53, the top surface of the support column 53 is close to the surrounding positions and is uniformly provided with a plurality of oil outlet through holes 52, the inner diameter of the oil outlet hole 12 is smaller than the inner diameter of the oil outlet pipeline 15, the movable column 5 slides downwards in the oil outlet pipeline 15, and lubricating oil passes through the oil outlet through holes 52 and flows out of the oil outlet hole 12, so that the device is lubricated.

Besides, the external size of the piston 6 is the same as the internal size of the oil filling pipeline 13, the height of the piston 6 is larger than the internal height of the communicating pipeline 16, and the piston 6 covers a gap between the oil filling pipeline 13 and the communicating pipeline 16 under the action of the elastic force of the first spring 61 to prevent the lubricating oil in the communicating pipeline 16 from flowing back.

Furthermore, the size of the top surface of the oil storage pipeline 14 is larger than that of the bottom surface of the oil outlet pipeline 15, so that the outflow rate of lubricating oil is reduced, the external size of the movable ball 7 is the same as the internal size of the oil storage pipeline 14, and the lubricating oil is prevented from flowing to the bottom of the movable ball 7.

When the utility model is used, firstly, lubricating oil is introduced into the oil filling hole 11, the lubricating oil extrudes the piston 6 downwards, the piston 6 slides downwards in the oil filling pipeline 13 to leak out the communicating pipeline 16, meanwhile, the first spring 61 contracts to generate elastic force, then, the lubricating oil passes through the communicating pipeline 16 to enter the oil storage pipeline 14 and pushes the movable ball 7 downwards, the third spring 71 contracts to generate elastic force, when the lubricating oil is stopped to be introduced, the first spring 61 pushes the piston 6 upwards under the action of the elastic force to enable the piston 6 to cover the gap between the oil filling pipeline 13 and the communicating pipeline 16, finally, the rotating ring 9 drives the crank pin 1 to rotate through the connecting rod 93 to move up and down, thereby the shaft body 4 and the main journal 3 rotate, when the rotating ring 9 drives the crank pin 1 to move downwards, the bulge 92 impacts the movable column 5, the movable column 5 slides towards the inside the oil outlet pipeline 15, the second spring 51 contracts to generate elastic force, the third spring 71 pushes the movable ball 7 upward so that the lubricating oil flows out from the inside of the oil outlet hole 12 through the oil outlet through hole 52, and when the moving speed of the connecting rod 93 becomes fast, the number of times the protrusion 92 hits the movable post 5 increases so that the outflow rate of the lubricating oil increases.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A bell crank, comprising a crank pin (1) and a rotating ring (9), characterized in that: an oil injection hole (11) is formed in the outer wall of the crank pin (1), an oil injection pipeline (13) is formed in the position, below the oil injection hole (11), close to the oil injection pipeline (13), embedded in the oil injection pipeline (13) and provided with a piston (6), a first spring (61) is arranged at the bottom of the piston (6), an oil outlet (12) is formed in the position, below the oil outlet (12), close to the oil outlet (12), of the outer wall of the crank pin (1), an oil outlet pipeline (15) is formed in the position, embedded in the oil outlet pipeline (15) and provided with a movable column (5), a second spring (51) is arranged on the lower portion of the movable column (5), a supporting plate (8) is arranged at the bottom of the second spring (51), the supporting plate (8) is embedded in the bottom of the oil outlet pipeline (15), and a plurality of through holes (81) are uniformly formed in the upper surface of, crank pin (1) is inside to be close to oil storage pipeline (14) have been seted up to backup pad (8) below, oil storage pipeline (14) inside is inlayed and is equipped with movable ball (7), movable ball (7) bottom is equipped with third spring (71), oil storage pipeline (14) lateral wall top position with intercommunication pipeline (16) have been seted up between oil injection pipeline (13) lateral wall.

2. A bell crank according to claim 1, characterized in that: crank pin (1) both ends are equipped with crank wall (2), crank pin (1) one end crank wall (2) side is equipped with main journal (3), crank pin (1) the other end crank wall (2) side is equipped with axle body (4).

3. A bell crank according to claim 1, characterized in that: the crank pin (1) outside is cup jointed change ring (9), change ring (9) outer wall top is equipped with connecting rod (93), opening (94) have been seted up at change ring (9) both ends, change ring (9) inner wall is close to recess (91) that are the arc structure are seted up to the position of activity post (5), recess (91) inside is inlayed and is equipped with arch (92).

4. A bell crank according to claim 3, characterized in that: the bottom of the movable column (5) is provided with a support column (53), the top surface of the support column (53) is close to the periphery and has evenly provided with a plurality of oil outlet through holes (52), and the inner diameter of the oil outlet hole (12) is smaller than that of the oil outlet pipeline (15).

5. A bell crank according to claim 1, characterized in that: the external dimension of the piston (6) is the same as the internal dimension of the oil injection pipeline (13), and the height of the piston (6) is larger than the internal height of the communication pipeline (16).

6. A bell crank according to claim 1, characterized in that: the size of the top surface of the oil storage pipeline (14) is larger than that of the bottom surface of the oil outlet pipeline (15), and the external size of the movable ball (7) is the same as the internal size of the oil storage pipeline (14).