CN212154971U

CN212154971U - High-reliability anti-locking automobile engine piston

Info

Publication number: CN212154971U
Application number: CN202020782554.2U
Authority: CN
Inventors: 时德香
Original assignee: Tianjin Xingying Precision Machinery Manufacturing Co ltd
Current assignee: Tianjin Xingying Precision Machinery Manufacturing Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-15
Anticipated expiration: 2030-05-13

Abstract

The utility model provides a dead automobile engine piston of high reliability anti-sticking. The high-reliability anti-blocking automobile engine piston comprises a piston body, a gas ring sealing structure and an oil injection structure, wherein the gas ring sealing structure is connected with the outer side wall of the closed end of the piston body and comprises a first arc-shaped gas ring, a second arc-shaped gas ring and an elastic clamping ball, the outer side surface of the closed end of the piston body is provided with two gas ring grooves which are arranged in parallel, two side walls inside the gas ring grooves are respectively provided with an annular convex groove, the second arc-shaped gas ring is attached to the inside of the gas ring grooves, and the second arc-shaped gas ring is close to a first arc-shaped gas ring which is symmetrically arranged and is close to. The utility model provides a dead automobile engine piston of high reliability anti-sticking has prevents that partial stagnate from toasting the formation carbon deposit at the oil of arc breach through long-term high temperature gas, increases the frictional force of removing in with the cylinder body, prevents to form the card easily and dies, improves the leakproofness effect, reduces and causes the dead possibility advantage of card.

Description

High-reliability anti-locking automobile engine piston

Technical Field

The utility model relates to an engine piston technical field especially relates to a dead automobile engine piston of high reliability anti-sticking.

Background

The piston ring is a metal elastic ring having a large outward expansion deformation, which is fitted into a ring groove having a cross section corresponding thereto. The reciprocating and rotating piston rings form a seal between the outer circumferential surface of the ring and the cylinder and one side of the ring and the ring groove by means of a pressure difference of gas or liquid.

The piston ring has the arc breach, conveniently blocks, uses for a long time and causes easily to lead to the machine oil to scurry, and the machine oil of arc breach on the piston ring is stagnated to some accumulations, forms the carbon deposit through long-term high temperature gas toasts, causes and increases with the inside wall frictional force of cylinder body, forms the resistance and increases, finally forms the piston card and dies.

Therefore, it is necessary to provide a new high-reliability anti-seize automobile engine piston to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a prevent that part stagnates at the oil of arc breach, toast through long-term high temperature gas and form the carbon deposit, increase the frictional force of removing in with the cylinder body, prevent to form the card easily and die, improve the leakproofness effect, reduce and cause the dead automobile engine piston of high reliability anti-sticking of card possibility.

The utility model provides a dead automobile engine piston of high reliability anti-sticking includes: the piston comprises a piston body, wherein two flat grooves which are symmetrically arranged are formed in the outer side surface of the piston body, and pin shaft holes are formed in the side surfaces of the flat grooves which are embedded; the gas ring sealing structure is connected with the outer side wall of the closed end of the piston body and comprises a first arc-shaped gas ring, a second arc-shaped gas ring and elastic clamping balls, two gas ring grooves which are arranged in parallel are formed in the outer side surface of the closed end of the piston body, annular convex grooves are formed in two side walls inside the gas ring grooves respectively, the second arc-shaped gas ring is attached to the inside of the gas ring grooves, two first arc-shaped gas rings which are symmetrically arranged are arranged on the second arc-shaped gas ring close to the gap, the first arc-shaped gas rings are arranged inside the annular convex grooves, a plurality of clamping holes are formed in embedded side walls of the annular convex grooves, and the elastic clamping balls matched with the clamping holes are connected to the outer side wall of the first arc-shaped gas; and the oil injection structure is connected to the embedded side surface in the flat groove.

Preferably, the first arc-shaped air ring and the elastic clamping ball are integrally formed.

Preferably, the arc length of the arc notch on the second arc-shaped gas ring is smaller than that of the first arc-shaped gas ring.

Preferably, the length of the outer diameter of the second arc-shaped air ring is equal to that of the first arc-shaped air ring.

Preferably, the oiling structure includes oiling box, cross bolt and oil feeding hole, and the oiling box is connected to the embedded side in flat recess top, and the bottom of oiling box is equipped with the segmental arc with round pin shaft hole internal diameter assorted, and oiling box segmental arc inside wall is equipped with the oil feeding hole that a plurality of evenly set up, and the terminal surface is equipped with the oil filler point before the oiling box top, the inside threaded connection cross bolt of oil filler point.

Preferably, a transparent plate is installed on the front end face of the oil injection box.

Compared with the prior art, the utility model provides a dead automobile engine piston of high reliability anti-sticking has following beneficial effect:

the utility model provides a dead automobile engine piston of high reliability anti-sticking:

1. the inside of gas ring channel is filled in to the mode of pressing for second arc gas ring breach department adds stifled with first arc gas ring length laminating, thereby make second arc gas ring breach receive first arc gas ring, thereby make the leakproofness increase, prevent the oil of partial long-term stagnated at the arc breach, toast through long-term high temperature gas and form the carbon deposit, increase the frictional force of removing in with the cylinder body, prevent to form the card easily and die, improve the leakproofness effect, the reduction causes the card possibility of dying.

2. Proper amount of lubricating oil is poured into and enters into the inside of oiling box, works for a long time when the round pin axle, and lubricating oil content reduces, and automatic adding lubricating oil guarantees long-time lubricated working process, improves and adds moist oil change cycle, reduces workman's work load, and prevents that short time work from causing the card dead condition.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a high-reliability anti-seize automobile engine piston provided by the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is a partially enlarged structural view of a portion B shown in fig. 1.

Reference numbers in the figures: 1. a piston body; 2. a flat groove; 3. a pin shaft hole; 4. a gas ring sealing structure; 5. an oil injection structure; 41. a first arcuate gas ring; 42. a second arcuate gas ring; 43. an annular gas ring groove; 44. elastic ball clamping; 45. an annular convex groove; 46. a clamping hole; 51. an oil injection box; 52. a transparent plate; 53. an oil filler hole; 54. a cross bolt; 55. an oil adding hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a high reliability anti-seize automobile engine piston according to the present invention; FIG. 2 is an enlarged view of a portion A of FIG. 1; fig. 3 is a partially enlarged structural view of a portion B shown in fig. 1. The dead automobile engine piston of high reliability anti-sticking includes: the piston comprises a piston body 1, a gas ring sealing structure 4 and an oil injection structure 5.

In the specific implementation process, as shown in fig. 1 and 3, the outer side surface of the piston body 1 is provided with two flat grooves 2 which are symmetrically arranged, the pin shaft holes 3 are arranged on the embedded side surfaces of the flat grooves 2, the gas ring sealing structure 4 is connected with the outer side wall of the closed end of the piston body 1, the gas ring sealing structure 4 comprises a first arc-shaped gas ring 41, a second arc-shaped gas ring 42 and elastic clamping balls 44, the outer side surface of the closed end of the piston body 1 is provided with two gas ring annular grooves 43 which are arranged in parallel, two side walls inside the gas ring annular grooves 43 are respectively provided with an annular convex groove 45, the second arc-shaped gas ring 42 is attached inside the gas ring annular grooves 43, the second arc-shaped gas ring 42 is provided with two first arc-shaped gas rings 41 which are symmetrically arranged near the gap, the first arc-shaped gas rings 41 are arranged inside the annular convex grooves 45, the embedded side walls of the annular convex grooves 45 are provided with a plurality of clamping holes 46, the outer, it should be noted that, first arc gas ring 41 and second arc gas ring 42 installation, through filling first arc gas ring 41 into the inside of annular tongue 45, inside card hole 46 is blocked to elasticity card ball 44 card to the rethread mode of pressing, accomplish its first arc gas ring 41 installation, piston body 1 outside is located to second arc gas ring 42 cover again, the inside of gas ring channel 43 is filled in to the mode of pressing, make second arc gas ring 42 breach department and first arc gas ring 41 length laminating, thereby make second arc gas ring 42 breach receive first arc gas ring 41 and add stifled, thereby make the leakproofness increase, prevent the oil of part long-term stagnation at the arc breach, form the carbon deposit through the baking of high temperature gas, increase the frictional force of removing in the cylinder body, prevent to form the card fast easily, improve the leakproofness effect, reduce and cause the card to die the possibility.

Referring to fig. 1 and 3, the first arc-shaped air ring 41 and the elastic clamping ball 44 are integrally formed, it should be noted that the first arc-shaped air ring 41 and the elastic clamping ball 44 are made of materials, and the elastic clamping ball 44 has certain elasticity and can be clamped into the clamping hole 46.

Referring to fig. 1 and 3, the arc length of the arc gap of the second arc-shaped gas ring 42 is smaller than the length of the first arc-shaped gas ring 41, and it should be noted that the arc length of the first arc-shaped gas ring 41 can be ensured to block the arc gap length of the second arc-shaped gas ring 42.

Referring to fig. 1 and 3, the length of the outer diameter of the second arc-shaped air ring 42 is equal to the length of the outer diameter of the first arc-shaped air ring 41, and it should be noted that the outer side wall of the first arc-shaped air ring 41 can be attached to the inner side wall of the cylinder body, so that the sealing performance is ensured.

Referring to fig. 1 and 2, the oil injection structure 5 is connected to the embedded side surface in the flat groove 2, the oil injection structure 5 comprises an oil injection box 51, a cross bolt 54 and an oil injection hole 55, the side surface embedded in the top of the flat groove 2 is connected with the oil injection box 51, the bottom of the oil injection box 51 is provided with an arc-shaped section matched with the inner diameter of the pin shaft hole 3, the inner side wall of the arc-shaped section of the oil injection box 51 is provided with a plurality of oil injection holes 55 which are uniformly arranged, the front end surface of the top of the oil injection box 51 is provided with an oil injection hole 53, the inside of the oil injection hole 53 is in threaded connection with the cross bolt 54, it needs to be explained that after the pin shaft is assembled in the pin shaft hole 3, a proper amount, when the pin shaft works for a long time, the content of lubricating oil is reduced, lubricating oil is automatically added, the long-time lubricating working process is guaranteed, the lubricating oil adding and changing period is prolonged, the workload of workers is reduced, and the blocking condition caused by short-time work is prevented.

Referring to fig. 1 and 2, a transparent plate 52 is mounted on the front end face of the oil filling box 51, and it should be noted that the use condition of the internal lubricating oil of the oil filling box 51 can be displayed, and the lubricating oil can be selectively added at regular intervals.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. The utility model provides a dead car engine piston of high reliability anti-sticking which characterized in that includes:

the piston comprises a piston body (1), wherein two flat grooves (2) which are symmetrically arranged are formed in the outer side surface of the piston body (1), and pin shaft holes (3) are formed in the embedded side surfaces of the flat grooves (2);

the gas ring sealing structure (4), the gas ring sealing structure (4) is connected with the outer side wall of the closed end of the piston body (1), the gas ring sealing structure (4) comprises a first arc-shaped gas ring (41), the piston comprises a second arc-shaped gas ring (42) and elastic clamping balls (44), wherein two gas ring grooves (43) which are arranged in parallel are formed in the outer side surface of the closed end of a piston body (1), two annular convex grooves (45) are formed in two side walls inside the gas ring grooves (43), the second arc-shaped gas ring (42) is attached to the inside of the gas ring grooves (43), two first arc-shaped gas rings (41) which are symmetrically arranged are arranged on the second arc-shaped gas ring (42) close to a gap, the first arc-shaped gas rings (41) are arranged inside the annular convex grooves (45), a plurality of clamping holes (46) are formed in the embedded side walls of the annular convex grooves (45), and the elastic clamping balls (44) which are matched with the clamping holes (46) are connected to the outer side wall of the first arc-shaped gas ring (;

and the oil injection structure (5) is connected to the embedded side face in the flat groove (2).

2. The highly reliable anti-seize automotive engine piston according to claim 1, wherein said first arcuate gas ring (41) is integrally formed with an elastic seizing ball (44).

3. The highly reliable anti-seize automobile engine piston according to claim 1, wherein the arc length of the arc notch on the second arc gas ring (42) is smaller than the length of the first arc gas ring (41).

4. The highly reliable anti-seize automobile engine piston according to claim 1, wherein the length of the outer diameter of the second arc-shaped gas ring (42) is equal to the length of the outer diameter of the first arc-shaped gas ring (41).

5. The highly reliable anti-jamming automobile engine piston according to claim 1, characterized in that the oil injection structure (5) comprises an oil injection box (51), a cross bolt (54) and an oil injection hole (55), a side surface is embedded in the top of the flat groove (2) and connected with the oil injection box (51), an arc-shaped section matched with the inner diameter of the pin shaft hole (3) is arranged at the bottom of the oil injection box (51), a plurality of evenly arranged oil injection holes (55) are arranged on the inner side wall of the arc-shaped section of the oil injection box (51), an oil injection hole (53) is arranged on the front end surface of the top of the oil injection box (51), and the cross bolt (54) is in threaded connection with the oil injection hole (53).

6. The highly reliable anti-seize automobile engine piston according to claim 5, wherein a transparent plate (52) is installed on the front end face of the oil filling box (51).