CN216009176U

CN216009176U - High-hardness rocker arm pin

Info

Publication number: CN216009176U
Application number: CN202122398243.3U
Authority: CN
Inventors: 杜举才; 杜学坤; 徐巍巍
Original assignee: Yangzhou Guanghui Automotive Components Ltd
Current assignee: Yangzhou Guanghui Automotive Components Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-11
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a high rigidity rocking arm round pin. Including the axis body, the rocking arm has been cup jointed in the activity on the axis body, has seted up the oil storage chamber in the axis body, and the front side surface fixedly connected with communicating pipe of limiting plate is provided with sealed lid on the front end of communicating pipe, and trigger mechanism is including the activity slider, and the axis body is located and has seted up on the surface of mounting hole with the activity spout, and the extending groove has been seted up to the surface of axis body, has seted up movable cavity in the axis body, and sliding connection has the contact head in the movable cavity. This high rigidity rocking arm round pin through being provided with trigger mechanism, consequently when the rocking arm rotates on the rocking arm round pin, trigger mechanism is automatic to carrying lubricating oil between rocking arm round pin and the rocking arm, has further increased the lubricated effect between rocking arm round pin and the rocking arm through this kind of mode, has avoided appearing the dead condition of card between rocking arm round pin and the rocking arm, has ensured the result of use between rocking arm round pin and the rocking arm, has also reduced staff's working strength simultaneously.

Description

High-hardness rocker arm pin

Technical Field

The utility model relates to a rocking arm round pin technical field specifically is a high rigidity rocking arm round pin.

Background

In the working process of the excavator, the rocker arm of the excavator needs to rotate relative to the excavator body, so that the rocker arm is connected with the excavator body through a rocker arm pin, two machine body connecting plates are arranged on the excavator body, a rocker arm connecting plate is arranged on the rocker arm, pin holes are formed in the rocker arm connecting plate and the two machine body connecting plates, the diameter of each pin hole is consistent with that of the corresponding rocker arm pin, and the problem that the rocker arm pin holes and the rocker arm pins are blocked is avoided, therefore, lubricating oil needs to be added between the rocker arm pin and the rocker arm pin hole to ensure the smoothness of the rocker arm during operation, the lubricating oil added between the rocker arm pin and the rocker arm pin hole is mostly manually lubricated, hardly ensure like this that lubricating oil enters into between rocking arm round pin and the rocking arm pinhole, influenced the lubricated effect between rocking arm round pin and the rocking arm pinhole, reduced the result of use of rocking arm round pin, also increased staff's working strength in step for the artificial mode of adding lubricating oil simultaneously.

SUMMERY OF THE UTILITY MODEL

The not enough to prior art, the utility model provides a high rigidity rocking arm round pin has solved the lubricated mode of interpolation lubricating oil adoption people for many times, and difficult guarantee lubricating oil enters into between rocking arm round pin and the rocking arm pinhole like this, has influenced the lubricated effect between rocking arm round pin and the rocking arm pinhole, has reduced the result of use of rocking arm round pin, and the problem of the staff's working strength has also been increased in step for the artificial mode of adding lubricating oil simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a high-hardness rocker arm pin comprises a shaft body, wherein a rocker arm is movably sleeved on the shaft body, a mounting hole which is matched with the shaft body and is rotatably connected with the shaft body is formed in the rocker arm, and a limiting plate is fixedly connected to the front end of the shaft body;

an oil storage cavity is formed in the shaft body, the front side surface of the limiting plate is fixedly connected with a communicating pipe of which the rear end penetrates into the oil storage cavity, and the front end of the communicating pipe is provided with a sealing cover;

trigger mechanism, including the activity slider, activity slider fixed connection is on the inner wall of mounting hole, and the axis body is located and sets up the activity spout with activity slider sliding connection on the surface in the mounting hole, and the surface of axis body is seted up and is communicated with each other and extend the extending groove of axis body rear side surface with the activity spout, has seted up movable cavity in the axis body, and sliding connection has the lower extreme to run through in the activity spout and with axis body inner wall sliding connection's contact head in the activity cavity.

Preferably, the upper surface of the contact head is fixedly connected with a movable slide bar, the upper end of the movable slide bar penetrates into the oil storage cavity and is in sliding connection with the inner wall of the shaft body, and the movable slide bar is located in the oil storage cavity and is fixedly connected with a connecting plate.

Preferably, the outer surface of the shaft body is respectively provided with two leaking grooves which are communicated with the oil storage cavity and are positioned at the front side and the rear side of the movable cavity, and one side surface of the connecting plate facing the leaking grooves is fixedly connected with a rubber sealing block which is matched with the leaking grooves.

Preferably, the upper surface of the contact is fixedly connected with a return spring which is movably sleeved on the movable sliding rod, and the other end of the return spring is fixedly connected to the inner wall of the movable cavity.

Preferably, the lower end of the contact head is hemispherical, and the movable slider is also hemispherical.

Preferably, the inner ring of the sealing cover is provided with thread teeth, the outer surface of the communicating pipe is provided with a thread groove matched with the thread teeth, and the oil storage cavity is fixedly connected with a support frame.

Compared with the prior art, the utility model provides a high rigidity rocking arm round pin possesses following advantage:

1. this high rigidity rocking arm round pin through being provided with trigger mechanism, consequently when the rocking arm rotates on the rocking arm round pin, trigger mechanism is automatic to carrying lubricating oil between rocking arm round pin and the rocking arm, has further increased the lubricated effect between rocking arm round pin and the rocking arm through this kind of mode, has avoided appearing the dead condition of card between rocking arm round pin and the rocking arm, has ensured the result of use between rocking arm round pin and the rocking arm, has also reduced staff's working strength simultaneously.

2. This high rigidity rocker pin sets up to hemispherical through the lower extreme with the contact to and the activity slider sets up to hemispherical equally, has further increased the smooth degree of contact surface between contact and the activity slider through this kind of mode, has reduced produced frictional force between the two when the contact is slided, has avoided the dead condition of mechanical card to appear between the two, has ensured the smoothness nature of this mechanism when using.

Drawings

FIG. 1 is a schematic view of a high hardness rocker arm pin according to the present invention;

FIG. 2 is a schematic sectional view of the rocker arm of the present invention;

FIG. 3 is a schematic view of the right side plan view of the shaft body of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

In the figure: the device comprises a shaft body 1, a rocker arm 2, a limiting plate 3, a mounting hole 4, a movable sliding chute 5, an extending groove 6, a movable sliding block 7, an oil storage cavity 8, a communicating pipe 9, a sealing cover 10, a supporting frame 11, a movable cavity 12, a contact head 13, a movable sliding rod 14, a connecting plate 15, a return spring 16, a leakage groove 17 and a rubber sealing block 18.

Detailed Description

The utility model provides a technical scheme: a high-hardness rocker arm pin comprises an axis body 1, wherein the axis body 1 is made of high-speed steel 6542 materials, the hardness, red hardness and high-temperature hardness of the axis body 1 are further improved by the materials of the type, a rocker arm 2 is movably sleeved on the axis body 1, meanwhile, a mounting hole 4 which is matched with the axis body 1 and is rotatably connected with the axis body 1 is formed in the rocker arm 2, and a limiting plate 3 is fixedly connected with the front end of the axis body 1, so that the axis body 1 is fixedly arranged on a rocker arm support through the limiting plate 3;

the axis body 1 is located and has been seted up movable spout 5 on the surface in the mounting hole 4, fixedly connected with and movable spout 5 sliding connection's movable slider 7 in the inner wall of mounting hole 4, the surface of axis body 1 is seted up and is communicated with each other and extend the extending groove 6 of the 1 rear side surface of axis body with movable spout 5, extending groove 6 and movable slider 7 looks adaptation simultaneously, when installing on the axis body 1 like this, movable slider 7 slides through extending groove 6 and advances in the movable spout 5.

Further seted up oil storage chamber 8 in the axis body 1, limiting plate 3's preceding side surface fixedly connected with rear end runs through communicating pipe 9 in advancing oil storage chamber 8, consequently can be to carrying lubricating oil in the oil storage chamber 8 through communicating pipe 9, be provided with sealed lid 10 on communicating pipe 9's the front end, be provided with thread tooth in the inner circle of sealed lid 10 simultaneously, the thread groove with thread tooth looks adaptation is seted up to communicating pipe 9's surface, consequently, adopt threaded connection mode installation between sealed lid 10 and communicating pipe 9, it demolishs between sealed lid 10 and communicating pipe 9 to be convenient for like this, sealed effect between communicating pipe 9 and sealed lid 10 has also been increased, the condition of leaking has appeared in the lubricating oil of having avoided oil storage chamber 8.

Furtherly fixedly connected with a plurality of support frame 11 in oil storage chamber 8, the quantity of support frame 11 is set up here according to the actual length in oil storage chamber 8 and is not done the restriction in quantity, makes support frame 11 form the supporting effect to the inner wall of axis body 1 like this, has avoided oil storage chamber 8 to set up the back and has influenced the bulk strength of axis body 1.

Further, a movable cavity 12 is arranged in the shaft body 1, the movable cavity 12 is connected with a contact 13 with the lower end penetrating into the movable chute 5 and being connected with the inner wall of the shaft body 1 in a sliding manner, the upper surface of the contact 13 is fixedly connected with a movable slide bar 14 with the upper end penetrating into the oil storage cavity 8 and being connected with the inner wall of the shaft body 1 in a sliding manner, the movable slide bar 14 is positioned in the oil storage cavity 8 and is fixedly connected with a connecting plate 15, the outer surface of the shaft body 1 is respectively provided with two leakage grooves 17 which are communicated with the oil storage cavity 8 and are positioned at the front side and the rear side of the movable cavity 12, the surface of one side of the connecting plate 15 facing the leakage grooves 17 is fixedly connected with a rubber sealing block 18 which is matched with the leakage grooves 17, the upper surface of the contact 13 is fixedly connected with a return spring 16 which is movably sleeved on the movable slide bar 14 and is fixedly connected with the inner wall of the movable cavity 12 at the other end, and the return spring 16 has a certain length, therefore, the rubber sealing block 18 is in a sealing state relative to the leakage groove 17 in the initial state, so that when the rocker arm 2 rotates on the shaft body 1, the movable sliding block 7 synchronously slides in the movable sliding groove 5, so that the movable slider 7 will contact with the contact head 13 during the sliding process, so that the movable slider 7 presses the contact head 13, so that the contact head 13 gradually shrinks into the movable chamber 12, meanwhile, the return spring 16 is stressed to contract, the connecting plate 15 drives the rubber sealing block 18 to displace towards the inner side of the oil storage cavity 8, therefore, the rubber sealing block 18 is not blocked to the leakage groove 17, so that the lubricating oil in the oil storage chamber 8 leaks to the outer surface of the shaft body 1 through the leakage groove 17, thereby achieving the effect of lubricating the shaft body 1 and the rocker arm 2, when the movable sliding block 7 is not in contact with the contact head 13, the return spring 16 releases the urging force so that the contact head 13 and the rubber seal block 18 are restored to the initial positions.

Meanwhile, a sealing ring is arranged between the movable sliding rod 14 and the inner wall of the shaft body 1, so that the sealing effect between the movable sliding rod 14 and the inner wall of the shaft body 1 is improved, and lubricating oil in the oil storage cavity 8 is prevented from permeating into the movable cavity 12 through a gap between the movable sliding rod 14 and the shaft body 1.

The lower extreme of contact head 13 sets up to hemispherical in this embodiment to and movable slider 7 sets up to hemispherical equally, has further increased the smooth degree of contact surface between contact head 13 and the movable slider 7 through this kind of mode, has reduced the produced frictional force when the contact is slided between the two, has avoided the dead condition of mechanical card to appear between the two, has ensured the smoothness nature of this mechanism when using.

The utility model discloses the working process does: this high rigidity rocking arm round pin is when using, when rocking arm 2 rotates on the axis body 1, activity slider 7 slides in activity spout 5 in step, activity slider 7 can contact with contact 13 at slip in-process activity slider 7 like this, activity slider 7 forms the extrusion to contact 13 like this, make contact 13 shrink gradually in advancing movable cavity 12, reset spring 16 atress contracts simultaneously, connecting plate 15 drives rubber seal 18 to the inboard displacement of oil storage chamber 8, consequently, make rubber seal 18 not stopping up to small opening 17, lubricating oil in the oil storage chamber 8 leaks to the surface of axis body 1 through small opening 17 like this, thereby reach the lubricated effect of axis body 1 and rocking arm 2, when activity slider 7 is not contacting with contact 13, reset spring 16 releases thrust and makes contact 13 and rubber seal 18 resume to the initial position.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high rigidity rocker arm round pin, includes axis body (1), its characterized in that: the shaft body (1) is movably sleeved with a rocker arm (2), the rocker arm (2) is provided with a mounting hole (4) which is matched with the shaft body (1) and is rotatably connected with the shaft body (1), and the front end of the shaft body (1) is fixedly connected with a limiting plate (3);

an oil storage cavity (8) is formed in the shaft body (1), the front side surface of the limiting plate (3) is fixedly connected with a communicating pipe (9) with the rear end penetrating into the oil storage cavity (8), and the front end of the communicating pipe (9) is provided with a sealing cover (10);

trigger mechanism, including activity slider (7), activity slider (7) fixed connection is on the inner wall of mounting hole (4), axis body (1) lie in on the surface in mounting hole (4) offer with activity slider (7) sliding connection's movable spout (5), the surface of axis body (1) is offered with movable spout (5) communicate with each other and extend extending axis body (1) rear side surface extension groove (6), movable cavity (12) have been seted up in axis body (1), sliding connection has the lower extreme to run through in activity spout (5) and with axis body (1) inner wall sliding connection's contact (13) in activity cavity (12).

2. The high durometer rocker pin of claim 1, wherein: the upper surface of the contact head (13) is fixedly connected with a movable sliding rod (14) with the upper end penetrating into the oil storage cavity (8) and being connected with the inner wall of the shaft body (1) in a sliding mode, and the movable sliding rod (14) is located in the oil storage cavity (8) and is fixedly connected with a connecting plate (15).

3. A high durometer rocker pin as claimed in claim 2, wherein: two leakage grooves (17) which are communicated with the oil storage cavity (8) and are positioned at the front side and the rear side of the movable cavity (12) are respectively formed in the outer surface of the shaft body (1), and rubber sealing blocks (18) which are matched with the leakage grooves (17) are fixedly connected to the surface of one side, facing the leakage grooves (17), of the connecting plate (15).

4. A high durometer rocker pin as claimed in claim 2, wherein: the upper surface of the contact head (13) is fixedly connected with a return spring (16) which is movably sleeved on the movable sliding rod (14) and the other end of the contact head is fixedly connected on the inner wall of the movable chamber (12).

5. The high durometer rocker pin of claim 1, wherein: the lower end of the contact head (13) is hemispherical, and the movable sliding block (7) is also hemispherical.

6. The high durometer rocker pin of claim 1, wherein: threaded teeth are arranged in the inner ring of the sealing cover (10), a threaded groove matched with the threaded teeth is formed in the outer surface of the communicating pipe (9), and a supporting frame (11) is fixedly connected into the oil storage cavity (8).