CN211524963U

CN211524963U - Piston for car convenient to maintenance

Info

Publication number: CN211524963U
Application number: CN202020189495.8U
Authority: CN
Inventors: 郑滋霞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-09-18
Anticipated expiration: 2030-02-20

Abstract

The utility model discloses a piston for car convenient to maintenance, including piston, crank arm and bent axle, the piston lower extreme is connected with the connecting block, and the connecting block lower extreme is connected with the trace, the trace lower extreme is connected with the fixed block, and is connected with the bolt outside the fixed block, both ends are connected with the crank pin about the fixed block, and the crank pin other end is connected with the crank arm, the crank arm left end is connected with the timing gear, and the timing gear other end is connected with the band pulley, the crank arm right-hand member is connected with the bent axle, and is connected with the fluted disc outside the bent axle, the louvre has been seted up on the surface in the. This piston for car convenient to maintenance has set up a plurality of oil outlets through the surface at the crank pin to pour into by the oil filler point, can make and keep lubricated constantly between fixed block and the crank pin, reduce the damage that mechanical friction brought, improve piston motion's work efficiency.

Description

Piston for car convenient to maintenance

Technical Field

The utility model relates to an auto parts technical field specifically is a piston for car convenient to maintenance.

Background

The piston is a reciprocating part in the cylinder body of the automobile engine, the basic structure of the piston can be divided into a top part, a head part and a skirt part, the top part of the piston is the main part forming a combustion chamber, and the shape of the top part of the piston is related to the form of the selected combustion chamber.

However, friction is generated during the movement of the piston, and due to a large amount of heat generated by the friction, the lubricating oil is evaporated, so that the machine is easily abraded, the service life is shortened, and the connection mode is inconvenient to maintain, and therefore, a piston for an automobile, which is convenient to maintain, is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a piston for car convenient to maintenance to a large amount of heat energy that the friction produced is proposed in solving above-mentioned background art can cause the lubricating oil evaporation, leads to the easy wearing and tearing of machinery, reduces life, and the connected mode is not convenient for carry out the problem of maintaining.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a piston for car convenient to maintenance, includes piston, crank arm and bent axle, the piston lower extreme is connected with the connecting block, and the connecting block lower extreme is connected with the trace, the trace lower extreme is connected with the fixed block, and is connected with the bolt outside the fixed block, both ends are connected with the crank pin about the fixed block, and the crank pin other end is connected with the crank arm, the crank arm left end is connected with timing gear, and the timing gear other end is connected with the band pulley, the crank arm right-hand member is connected with the bent axle, and is connected with the fluted disc outside the bent axle, the louvre has been seted up on crank pin outside surface, and outside edge is equipped with the sealing washer between crank pin and the fixed block to the fixed block outside is equipped with.

Preferably, the connecting block and the piston are in threaded connection, and the diameter of the connecting block is the same as that of the piston.

Preferably, the surface of the middle end of the crank pin is provided with oil outlets at equal intervals, and the diameter of each oil outlet is the same as that of the corresponding oil filling hole.

Preferably, the radiating holes are distributed on the outer side of the crank pin at equal intervals.

Preferably, the belt wheel is fixedly connected with the timing gear, and the diameter of the timing gear is the same as that of the crankshaft.

Preferably, the fluted disc is fixedly connected with the crankshaft, and the central point of the fluted disc and the central point of the crankshaft are positioned on the same horizontal line.

Compared with the prior art, the beneficial effects of the utility model are that: the piston for the automobile is convenient to maintain,

1. the plurality of oil outlets are formed in the surface of the crank pin and injected through the oil outlets, so that the fixed block and the crank pin can be lubricated constantly, damage caused by mechanical friction is reduced, and the working efficiency of piston movement is improved;

2. the plurality of radiating holes are formed in the outer side of the hot hole crank pin, so that heat generated by mutual friction between the crank pin and the fixed block can be radiated to a certain degree, and a large amount of lubricating oil can be prevented from evaporating;

3. through the connected mode of connecting block and piston, can be very simple and convenient with piston and trace separation, simple structure is convenient, has avoided loaded down with trivial details dismantlement step to be convenient for the maintenance to the piston.

Drawings

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

fig. 2 is a schematic view of the top view structure of the fixing block of the present invention;

FIG. 3 is a schematic side view of the crank arm of the present invention;

fig. 4 is the schematic view of the internal structure of the connecting block of the present invention.

In the figure: 1. a piston; 2. connecting blocks; 3. a linkage rod; 4. a fixed block; 5. a bolt; 6. a crank pin; 7. a crank arm; 8. a timing gear; 9. a pulley; 10. a crankshaft; 11. a fluted disc; 12. heat dissipation holes; 13. a seal ring; 14. a thread; 15. blocking the backing plate; 16. an oil filler hole; 17. an oil outlet.

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, the present invention provides a technical solution: a piston for an automobile convenient to maintain comprises a piston 1, a crank arm 7 and a crankshaft 10, wherein the lower end of the piston 1 is connected with a connecting block 2, and the lower end of the connecting block 2 is connected with a linkage rod 3, the lower end of the linkage rod 3 is connected with a fixed block 4, the outer side of the fixed block 4 is connected with a bolt 5, the left end and the right end of the fixed block 4 are connected with a crank pin 6, the other end of the crank pin 6 is connected with a crank arm 7, the left end of the crank arm 7 is connected with a timing gear 8, the other end of the timing gear 8 is connected with a belt wheel 9, the right end of the crank arm 7 is connected with a crank shaft 10, the outer side of the crank shaft 10 is connected with a fluted disc 11, the outer side surface of the crank pin 6 is provided with a heat dissipation hole 12, a sealing ring 13 is arranged at the outer side edge between the crank pin 6 and the fixed block 4, and the outside of the fixed block 4 is provided with an oil outlet 17, the lower end surface of the crank arm 7 is provided with an oil inlet 16, the outside of the connecting block 2 is provided with threads 14, and the upper end of the connecting block 2 is provided with a blocking pad 15.

The connecting block 2 is in threaded connection with the piston 1, the diameter of the connecting block 2 is the same as that of the piston 1, the structure is simple and convenient, and complicated disassembling steps are avoided, so that the piston 1 is convenient to maintain;

oil outlets 17 are distributed on the surface of the middle end of the crank pin 6 at equal intervals, and the diameter of each oil outlet 17 is the same as that of the corresponding oil injection hole 16, so that damage caused by mechanical friction is reduced, and the working efficiency of the movement of the piston 1 is improved;

the radiating holes 12 are distributed on the outer side of the crank pin 6 at equal intervals, so that the radiating effect can be achieved to a certain extent, and the lubricating oil can be prevented from being evaporated in a large amount;

the belt wheel 9 is fixedly connected with the timing gear 8, the diameter of the timing gear 8 is the same as that of the crankshaft 10, and the belt wheel 9 and the timing gear 8 are matched to play a certain speed reducing role, so that the motion state and the time of the piston 1 are kept consistent, and the synchronous operation of the piston 1 and the crankshaft 10 in the moving state is kept;

fluted disc 11 and bent axle 10 are fixed connection, and fluted disc 11 central point and bent axle 10 central point are located same water flat line, through fixing fluted disc 11 on bent axle 10, can utilize the rotational speed sensor that sets up on fluted disc 11 to be used for measuring the rotational speed of bent axle 10 to can monitor the motion state of piston 1, be convenient for feed back and carry out the suggestion during abnormal state, thereby increased transmission assembly's life.

The working principle is as follows: when the automobile piston convenient to maintain is used, firstly, the driving mechanism of the automobile piston 1 can be normally used, pressure is given to the linkage rod 3 through the piston 1, the linkage rod 3 transmits the pressure to the crank arm 7 through the fixed block 4, so that the crank shaft 10 rotates, the plurality of oil outlets 17 are arranged on the surface of the crank pin 6, the lubricating oil seeps out from the oil outlets 17 under the influence of centrifugal force when the crank shaft 10 rotates, the lubricating oil is injected from the oil outlets 16, the oil outlets 16 are sealed after the injection is completed, the lubrication between the fixed block 4 and the crank pin 6 can be kept constantly, the damage caused by mechanical friction is reduced, the working efficiency of the movement of the piston 1 is improved, the plurality of heat dissipation holes 12 are arranged outside the crank pin 6, the heat generated by the mutual friction between the crank pin 6 and the fixed block 4 can be dissipated to a certain degree, and the large amount of the lubricating, the fluted disc 11 is fixed on the crankshaft 10, the rotating speed sensor arranged on the fluted disc 11 can be used for measuring the rotating speed of the crankshaft 10, so that the motion state of the piston 1 can be monitored, the feedback and prompt are convenient in abnormal state, the service life of the transmission assembly is prolonged, a certain speed reduction effect can be realized by the matching of the belt wheel 9 and the timing gear 8, the motion state and the time of the piston 1 are kept consistent, the synchronous operation of the motion states of the piston 1 and the crankshaft 10 is kept, the piston 1 and the linkage rod 3 can be conveniently separated by the connection mode of the connecting block 2 and the thread 14 of the piston 1, the structure is simple and convenient, the fussy disassembly steps are avoided, the maintenance of the piston 1 is convenient, the blocking cushion plate 15 can effectively avoid the fluid leakage in the piston 1, the bolt 5 strengthens the connection between the fixed blocks 4, and the sealing ring 13 ensures the sealing performance of the edges of the crank pin 6 and the, thereby increasing the overall utility.

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 for an automobile convenient to maintain comprises a piston (1), a crank arm (7) and a crankshaft (10), and is characterized in that: the lower end of the piston (1) is connected with a connecting block (2), the lower end of the connecting block (2) is connected with a linkage rod (3), the lower end of the linkage rod (3) is connected with a fixed block (4), the outer side of the fixed block (4) is connected with a bolt (5), the left end and the right end of the fixed block (4) are connected with a crank pin (6), the other end of the crank pin (6) is connected with a crank arm (7), the left end of the crank arm (7) is connected with a timing gear (8), the other end of the timing gear (8) is connected with a belt wheel (9), the right end of the crank arm (7) is connected with a crank shaft (10), the outer side of the crank shaft (10) is connected with a fluted disc (11), the outer side surface of the crank pin (6) is provided with radiating holes (, the crank arm (7) lower extreme surface is equipped with oil filler point (16), the connecting block (2) outside is equipped with screw thread (14), and connecting block (2) upper end is equipped with and blocks backing plate (15).

2. The piston for an automobile convenient for maintenance according to claim 1, wherein: the connecting block (2) is in threaded connection with the piston (1), and the diameter of the connecting block (2) is the same as that of the piston (1).

3. The piston for an automobile convenient for maintenance according to claim 1, wherein: the oil outlet holes (17) are distributed on the surface of the middle end of the crank pin (6) at equal intervals, and the diameter of each oil outlet hole (17) is the same as that of the corresponding oil injection hole (16).

4. The piston for an automobile convenient for maintenance according to claim 1, wherein: the outer side of the crank pin (6) is provided with heat dissipation holes (12) at equal intervals.

5. The piston for an automobile convenient for maintenance according to claim 1, wherein: the belt wheel (9) is fixedly connected with the timing gear (8), and the diameter of the timing gear (8) is the same as that of the crankshaft (10).

6. The piston for an automobile convenient for maintenance according to claim 1, wherein: the fluted disc (11) is fixedly connected with the crankshaft (10), and the central point of the fluted disc (11) and the central point of the crankshaft (10) are positioned on the same horizontal line.