CN214171305U

CN214171305U - Piston pin with lubricating function

Info

Publication number: CN214171305U
Application number: CN202022826148.4U
Authority: CN
Inventors: 陶峰
Original assignee: Chongqing Sihai Instrument Technology Research Institute
Current assignee: Chongqing Sihai Instrument Technology Research Institute
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-10
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a piston pin that possesses lubricating function, which comprises a piston, the bottom of piston is seted up flutedly, the ring channel has been seted up at groove cavity's top, the slot hole has been seted up on the right side of piston, the inner wall swing joint of slot hole has the piston pin, first cavity has been seted up to the inside of piston pin, the surface of piston pin from top to bottom is overlapped respectively and is equipped with first connecting plate and second connecting plate, the bottom fixedly connected with connecting rod of second connecting plate, the bottom of connecting rod runs through the recess and extends to the bottom of piston. The utility model discloses possessing the advantage of lubricated effectual and timely supplementary lubricating oil, having solved current piston pin and piston in the use, can not lubricated by effectual addition lubricating oil, need unpack machinery apart, regularly to adding lubricating oil in the piston key seat, lubricated effect is not good, in case lubricating oil does not in time add the change, the wearing and tearing of piston pin can more serious problem.

Description

Piston pin with lubricating function

Technical Field

The utility model relates to a piston pin technical field specifically is a piston pin that possesses lubricating function.

Background

The piston pin is a cylindrical pin arranged on the skirt part of the piston, the middle part of the piston pin penetrates through a small end hole of the connecting rod and is used for connecting the piston and the connecting rod, the function of the piston pin is to transmit the gas acting force borne by the piston to the connecting rod or enable the small end of the connecting rod to drive the piston to move together, the quality is as small as possible, a proper fit clearance and good surface quality are required to be formed between the pin and a pin hole, the rigidity of the piston pin is particularly important under the general condition, if the piston pin is bent and deformed, the piston pin seat is possibly damaged, but the existing piston pin and the piston cannot effectively add lubricating oil to lubricate in the using process, a machine needs to be disassembled, lubricating oil is added into the piston pin seat at regular time, the lubricating effect is not good, and once the lubricating oil is not added and replaced in time, the abrasion of the piston pin can be more serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston pin that possesses lubricating function possesses lubricated effectual and in time supplementary lubricating oil's advantage, has solved current piston pin and piston in the use, can not lubricate by effectual addition lubricating oil, need unpack machinery apart, regularly to adding lubricating oil in the piston pin boss, lubricated effect is not good, in case lubricating oil does not in time add the change, the wearing and tearing of piston pin can more serious problem.

In order to achieve the above object, the utility model provides a following technical scheme: a piston pin with a lubricating function comprises a piston, wherein a groove is formed in the bottom of the piston, an annular groove is formed in the top of an inner cavity of the groove, a long hole is formed in the right side of the piston, a piston pin is movably connected to the inner wall of the long hole, a first cavity is formed in the piston pin, a first connecting plate and a second connecting plate are sleeved on the surface of the piston pin from top to bottom respectively, a connecting rod is fixedly connected to the bottom of the second connecting plate, the bottom of the connecting rod penetrates through the groove and extends to the bottom of the piston, a first channel is formed in the connecting rod, a hose penetrates through the bottom of the back of the connecting rod, one end of the hose penetrates into the inner cavity of the first channel, an annular channel is formed in the second connecting plate, the first channel is communicated with the annular channel, and a first through hole is formed in one side, close to the piston, of the second connecting plate, the first through hole is communicated with the annular channel, the surface of the piston pin is provided with a second through hole, the second through hole is communicated with the first cavity, the surfaces of two ends of the piston pin are provided with elongated slots, two sides of the top and the bottom of the inner cavity of the first cavity are provided with square slots, two ends of the piston pin are provided with second cavities, two sides of the top and the bottom of the inner cavity of the long hole are provided with clamping slots, one side of the inner cavity of the square slot is provided with a vertical rod in a penetrating manner, one end of the vertical rod penetrates through the piston pin and extends to the inner cavity of the second cavity and is fixedly connected with a square plate, one side of the square plate far away from the vertical rod is fixedly connected with a clamping block, one side of the clamping block far away from the square plate penetrates through the piston pin and extends to the inner cavity of the clamping slot, the surface of the vertical rod, which is positioned at one end of the inner cavity of the second cavity, is movably sleeved with a spring, one end of the spring is fixedly connected with one side of the inner cavity of the second cavity, the other end of the spring is fixedly connected with one side of the square plate, the surface of the vertical rod at one end of the inner cavity of the square groove is fixedly connected with a blocking plug, a liquid outlet hole is formed in the inner wall of the long groove, and the liquid outlet hole is communicated with the square groove.

Preferably, a sealing cock penetrates through two sides of the piston, and one side of the sealing cock penetrates through an inner cavity of the long hole.

Preferably, a bolt penetrates through the surface of the second connecting plate, and one end of the bolt penetrates through the second connecting plate, extends to the inside of the first connecting plate and is in threaded connection with the first connecting plate.

Preferably, the surface of the square plate is in contact with the inner wall of the second cavity, and a first round hole matched with the vertical rod is formed in one side of the inner cavity of the square groove.

Preferably, a second round hole matched with the clamping block is formed in one side of the inner cavity of the long groove, and the clamping groove and one side, far away from the square plate, of the clamping block are both in semicircular design.

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

1. the utility model discloses a piston, a groove, the ring channel, the slot hole, the piston pin, first cavity, first connecting plate, the second connecting plate, the connecting rod, first passageway, the hose, annular channel, first through-hole, the second through-hole, the elongated slot, the square trough, the second cavity, the draw-in groove, the montant, the square slab, the fixture block, a spring, stifled stopper and play liquid hole cooperate, possess lubricated effectual and timely supplementary lubricating oil's advantage, current piston pin and piston have been solved in the use, can not effectually add lubricating oil and lubricate, machinery need unpack apart, regularly add lubricating oil in to the piston pin boss, lubricated effect is not good, in case lubricating oil does not in time add the change, the wearing and tearing of piston pin can more serious problem.

2. The utility model discloses a set up sealed cock, it is spacing to carry out the piston pin, prevent simultaneously that the lubricating oil in the trompil from spilling, through setting up the bolt, be convenient for connect fixedly to first connecting plate and second connecting plate, convenient the dismantlement simultaneously, through setting up the square plate, it is spacing to carry out the montant, prevent that the montant itself from carrying out the rotation, through setting up first round hole, make more smooth and easy of montant when removing, one side of keeping away from the square plate through setting up draw-in groove and fixture block is semi-circular design, make the fixture block break away from the draw-in groove smoothly when the piston pin rotates, do not influence the rotation of piston pin.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;

FIG. 3 is a partial right sectional view of the present invention;

fig. 4 is a right-side view, sectional and enlarged schematic view of the piston pin of the present invention.

In the figure: the piston type piston sealing device comprises a piston 1, a groove 2, an annular groove 3, a long hole 4, a piston pin 5, a first cavity 6, a first connecting plate 7, a second connecting plate 8, a connecting rod 9, a first channel 10, a hose 11, an annular channel 12, a first through hole 13, a sealing cock 14, a second through hole 15, a long groove 16, a square groove 17, a second cavity 18, a clamping groove 19, a vertical rod 20, a square plate 21, a clamping block 22, a spring 23, a plug 24 and a liquid outlet hole 25.

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.

Referring to fig. 1-4, a piston pin with a lubricating function comprises a piston 1, a groove 2 is formed at the bottom of the piston 1, an annular groove 3 is formed at the top of an inner cavity of the groove 2, a long hole 4 is formed at the right side of the piston 1, a piston pin 5 is movably connected to the inner wall of the long hole 4, a first cavity 6 is formed inside the piston pin 5, a first connecting plate 7 and a second connecting plate 8 are respectively sleeved on the surface of the piston pin 5 from top to bottom, a connecting rod 9 is fixedly connected to the bottom of the second connecting plate 8, the bottom of the connecting rod 9 penetrates through the groove 2 and extends to the bottom of the piston 1, a first channel 10 is formed inside the connecting rod 9, a hose 11 is arranged at the bottom of the back of the connecting rod 9 in a penetrating manner, one end of the hose 11 penetrates through the inner cavity of the first channel 10, an annular channel 12 is formed inside the second connecting plate 8, and the first channel 10 is communicated with the annular channel 12, one side of the second connecting plate 8 close to the piston 1 is provided with a first through hole 13, the first through hole 13 is communicated with an annular channel 12, the surface of the piston pin 5 is provided with a second through hole 15, the second through hole 15 is communicated with the first cavity 6, the surfaces of two ends of the piston pin 5 are respectively provided with an elongated slot 16, two sides of the top and the bottom of the inner cavity of the first cavity 6 are respectively provided with a square slot 17, the inner parts of two ends of the piston pin 5 are respectively provided with a second cavity 18, two sides of the top and the bottom of the inner cavity of the elongated hole 4 are respectively provided with a clamping slot 19, one side of the inner cavity of the square slot 17 is provided with a vertical rod 20 in a penetrating manner, one end of the vertical rod 20 penetrates through the piston pin 5 and extends to the inner cavity of the second cavity 18 and is fixedly connected with a square plate 21, one side of the square plate 21 far away from the vertical rod 20 is fixedly connected with a clamping block 22, one side of the clamping block 22 far away from the square plate 21 penetrates through the inner cavity of the piston pin 5 and extends to the inner cavity of the clamping slot 19, a surface of the vertical rod 20 at one end of the inner cavity of the second cavity 18 is movably sleeved with a spring 23, one end of a spring 23 is fixedly connected with one side of an inner cavity of the second cavity 18, the other end of the spring 23 is fixedly connected with one side of a square plate 21, a blocking plug 24 is fixedly connected to the surface of the vertical rod 20 positioned at one end of the inner cavity of the square groove 17, a liquid outlet hole 25 is formed in the inner wall of the long groove 16, the liquid outlet hole 25 is communicated with the square groove 17, sealing cocks 14 are arranged on two sides of the piston 1 in a penetrating mode, one side of each sealing cock 14 penetrates through the inner cavity of the long hole 4, the piston pin 5 is limited by the arrangement of the sealing cocks 14, meanwhile, lubricating oil in the long hole 4 is prevented from leaking out, a bolt penetrates through the surface of the second connecting plate 8, one end of the bolt penetrates through the second connecting plate 8, extends to the inside of the first connecting plate 7 and is in threaded connection with the first connecting plate 7, the first connecting plate 7 and the second connecting plate 8 are conveniently connected and fixed by the arrangement of the bolt, meanwhile, the disassembly is convenient, by the arrangement of the square plate 21, the vertical rod 20 is limited, the vertical rod 20 is prevented from rotating, the surface of the square plate 21 is in contact with the inner wall of the second cavity 18, a first round hole matched with the vertical rod 20 is formed in one side of the inner cavity of the square groove 17, the vertical rod 20 is enabled to move more smoothly by the aid of the first round hole, a second round hole matched with the clamping block 22 is formed in one side of the inner cavity of the long groove 16, one sides, far away from the square plate 21, of the clamping groove 19 and the clamping block 22 are both in semicircular design, the clamping block 22 is enabled to be smoothly separated from the clamping groove 19 when the piston pin 5 rotates, the rotation of the piston pin 5 is not affected, and the piston pin 5 is prevented from rotating through the piston 1, the groove 2, the annular groove 3, the long hole 4, the piston pin 5, the first cavity 6, the first connecting plate 7, the second connecting plate 8, the connecting rod 9, the first channel 10, the hose 11, the annular channel 12 and the first through hole 13, Second through-hole 15, elongated slot 16, square groove 17, second cavity 18, draw-in groove 19, montant 20, square plate 21, fixture block 22, spring 23, stifled plug 24 cooperates with play liquid hole 25, possess lubricated effectual and in time supplementary lubricating oil's advantage, solved current piston pin and piston in the use, can not effectual joining lubricating oil lubricate, need unpack apart machinery, regularly add lubricating oil to the piston pin boss in, lubricated effect is not good, in case lubricating oil does not in time add the change, the wearing and tearing of piston pin can more serious problem.

When the lubricating oil feeding device is used, the hose 11 is externally connected with a lubricating oil feeding device, lubricating oil enters the first cavity 6 through the hose 11, the first channel 10, the annular channel 12, the first through hole 13 and the second through hole 15, the connecting rod 9 is connected with the piston 1 through the piston pin 5, the first connecting plate 7 and the second connecting plate 8 in the motion process of the piston 1, so that the piston pin 5 rotates in the long hole 4 in a reciprocating manner, the rotation of the piston pin 5 drives the fixture block 22 to have a rotating trend, so that the fixture block 22 extrudes the piston 1, because the side, far away from the square plate 21, of the clamping groove 19 and the fixture block 22 is in a semicircular design, the fixture block 22 moves towards the second cavity 18, so that the square plate 21, the vertical rod 20 and the plugging plug 24 move towards the first cavity 6, and the spring 23 compresses, the fixture block 22 is separated from the clamping groove 19, so that the lubricating oil in the first cavity 6 is discharged from the liquid outlet 25 through the square groove 17 and enters the long groove 16, and lubricating oil is supplemented in time, so that the piston pin 5 and the piston 1 are lubricated, the oil is added for lubrication without repeatedly disassembling the equipment, and the piston pin 5 is more convenient to lubricate.

All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.

In summary, the following steps: this piston pin that possesses lubricating function, through piston 1, recess 2, ring channel 3, slot hole 4, piston pin 5, first cavity 6, first connecting plate 7, second connecting plate 8, connecting rod 9, first passageway 10, hose 11, annular channel 12, first through-hole 13, second through-hole 15, elongated slot 16, square groove 17, second cavity 18, draw-in groove 19, montant 20, square plate 21, fixture block 22, spring 23, stifled plug 24 and play liquid hole 25 cooperate, solved current piston pin and piston in the use, can not effectual addition lubricating oil lubricate, need unpack apart machinery, regularly to adding lubricating oil in the piston pin boss, lubricated effect is not good, in case lubricating oil does not in time add the change, the wearing and tearing of piston pin can more serious problem.

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. A piston pin with a lubricating function, comprising a piston (1), characterized in that: the piston is characterized in that a groove (2) is formed in the bottom of the piston (1), an annular groove (3) is formed in the top of an inner cavity of the groove (2), a long hole (4) is formed in the right side of the piston (1), a piston pin (5) is movably connected to the inner wall of the long hole (4), a first cavity (6) is formed in the piston pin (5), a first connecting plate (7) and a second connecting plate (8) are respectively sleeved on the surface of the piston pin (5) from top to bottom, a connecting rod (9) is fixedly connected to the bottom of the second connecting plate (8), the bottom of the connecting rod (9) penetrates through the groove (2) and extends to the bottom of the piston (1), a first channel (10) is formed in the connecting rod (9), a hose (11) is arranged at the bottom of the back of the connecting rod (9) in a penetrating manner, and one end of the hose (11) penetrates through the inner cavity of the first channel (10), an annular channel (12) is formed inside the second connecting plate (8), the first channel (10) is communicated with the annular channel (12), one side, close to the piston (1), of the second connecting plate (8) is provided with a first through hole (13), the first through hole (13) is communicated with the annular channel (12), the surface of the piston pin (5) is provided with a second through hole (15), the second through hole (15) is communicated with the first cavity (6), the surfaces of two ends of the piston pin (5) are provided with elongated slots (16), square grooves (17) are formed in the top and the bottom of the inner cavity of the first cavity (6), a second cavity (18) is formed inside the two ends of the piston pin (5), clamping grooves (19) are formed in the top and the bottom of the inner cavity of the elongated hole (4), and a vertical rod (20) penetrates through one side of the inner cavity of the square groove (17), one end of the vertical rod (20) penetrates through the piston pin (5) and extends to the inner cavity of the second cavity (18) and is fixedly connected with a square plate (21), one side of the square plate (21) far away from the vertical rod (20) is fixedly connected with a clamping block (22), one side of the clamping block (22) far away from the square plate (21) penetrates through the piston pin (5) and extends to the inner cavity of the clamping groove (19), a spring (23) is movably sleeved on the surface of the vertical rod (20) at one end of the inner cavity of the second cavity (18), one end of the spring (23) is fixedly connected with one side of the inner cavity of the second cavity (18), the other end of the spring (23) is fixedly connected with one side of the square plate (21), the surface of the vertical rod (20) at one end of the inner cavity of the square groove (17) is fixedly connected with a plugging plug (24), liquid outlet holes (25) are formed in the inner wall of the long groove (16), and the liquid outlet holes (25) are communicated with the square groove (17).

2. A piston pin with a lubricating function according to claim 1, characterized in that: and sealing cocks (14) are arranged on two sides of the piston (1) in a penetrating mode, and one sides of the sealing cocks (14) penetrate through the inner cavity of the long hole (4).

3. A piston pin with a lubricating function according to claim 1, characterized in that: the surface of the second connecting plate (8) is provided with a bolt in a penetrating mode, and one end of the bolt penetrates through the second connecting plate (8) to extend to the inside of the first connecting plate (7) and is in threaded connection with the first connecting plate (7).

4. A piston pin with a lubricating function according to claim 1, characterized in that: the surface of the square plate (21) is in contact with the inner wall of the second cavity (18), and one side of the inner cavity of the square groove (17) is provided with a first round hole matched with the vertical rod (20).

5. A piston pin with a lubricating function according to claim 1, characterized in that: and a second round hole matched with the clamping block (22) is formed in one side of the inner cavity of the long groove (16), and the clamping groove (19) and one side of the clamping block (22) far away from the square plate (21) are both in semicircular design.