CN219197488U

CN219197488U - Piston with active oil filling hole

Info

Publication number: CN219197488U
Application number: CN202320322910.6U
Authority: CN
Inventors: 谭海朝
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-06-16
Anticipated expiration: 2033-02-23

Abstract

The utility model discloses an active oil injection hole piston which comprises a piston main body, wherein the piston main body is divided into an assembly section and a cylinder section, a first annular groove and a second annular groove are formed in the outer side of the cylinder section from top to bottom, an inwards concave oil groove is formed in the assembly section, a cylinder communicated with the cylinder section is arranged in the assembly section, an oil injection mechanism is arranged on one side of the cylinder section close to the assembly section and communicated with the cylinder, a double oil injection hole structure is achieved through oil injection holes formed in two sides of the oil injection mechanism, and double oil quantity can be increased from the cylinder wall into a piston pin hole by matching with the oil groove, so that the lubricity is improved, the temperature of a piston pin is reduced, the phenomenon that the piston pin is damaged by pulling and locked is prevented, and the service life of the piston is prolonged.

Description

Piston with active oil filling hole

Technical Field

The utility model relates to the field of piston cylinders, in particular to an active oil filling hole piston.

Background

The piston is a reciprocating part used in the cylinder block of the automobile engine, the main performance is tensile cylinder performance and abrasion resistance, the strengthening coefficient of the engine is continuously improved along with the progress of the engine technology in recent years, the working strength of the engine is increased, the requirements on various performances of the piston are also increased along with the increasing intensity of the engine, and particularly the tensile cylinder performance and abrasion resistance which can influence the service life and the service function of the piston are improved.

The tensile cylinder performance and the wear resistance of the piston are closely related to those of a piston pin forming the piston, at present, the piston cannot enter a cylinder wall and a piston pin hole due to small oil quantity at home and abroad, the lubricity is affected, the temperature of the piston pin cannot be reduced, the phenomenon that the piston pin is damaged by pulling and locked occurs, and the service life of the piston is seriously affected, so that the piston with the active oil filling hole is necessary to be provided.

Disclosure of Invention

The utility model aims to provide an active oil hole piston so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an initiative oil filler hole piston, includes the piston main part, the piston main part divide into assembly section and cylinder section, cylinder section outside top-down seted up first annular and second annular, the assembly section on seted up indent type oil groove, the assembly section in be provided with the cylinder that the cylinder section is linked together, the cylinder section lean on assembly section one side be provided with oiling mechanism, oiling mechanism with the cylinder be linked together.

As a further technical scheme of the utility model, two sides of the oiling mechanism comprise oil ducts which are transversely and symmetrically arranged and oil injection holes which are communicated with the oil ducts, and one end of the assembly section, which is close to the oil injection holes, is provided with a ring plug.

As a further technical scheme of the utility model, two sides of the assembly section are provided with cylinder walls, and reinforcing ribs are vertically arranged in the cylinder walls.

As a further technical scheme of the utility model, an assembly bevel is arranged at the bottom of the assembly section, and a base is arranged at one side of the assembly section close to the assembly bevel.

As a further technical scheme of the utility model, one side of the cylinder section, which is close to the assembly section, is provided with a limiting protrusion.

As a further technical scheme of the utility model, the clamp between the oil duct and the oil filling hole is 35 degrees.

The beneficial effects of the utility model are as follows: the oil filling holes formed in two sides are used for achieving a double oil filling hole structure, and the double oil filling holes are matched with the oil grooves, so that double oil can be increased from the cylinder wall to the piston pin hole, the lubricity is improved, the temperature of the piston pin is reduced, the phenomenon that the piston pin is broken and locked is prevented, and the service life of the piston is prolonged.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

Wherein: the assembly section 1, the cylinder section 2, the first annular groove 3, the second annular groove 4, the oil groove 5, the limiting boss 6, the oil duct 7, the oil filling hole 8, the annular plug 9, the reinforcing rib 10, the base 11 and the assembly bevel 12.

Detailed Description

Embodiments of the present utility model will be described below with reference to the accompanying drawings and preferred examples.

Referring to fig. 1, an active oil filling hole piston comprises a piston main body, the piston main body is divided into an assembly section 1 and a cylinder section 2, a first annular groove 3 and a second annular groove 4 are formed in the outer side of the cylinder section 2 from top to bottom, an inner concave oil groove 5 is formed in the assembly section 1, a cylinder 13 communicated with the cylinder section 2 is arranged in the assembly section 1, an oil filling mechanism is arranged on one side of the cylinder section 2 close to the assembly section 1, the oil filling mechanism is communicated with the cylinder 13, two sides of the oil filling mechanism comprise oil ducts 7 which are transversely symmetrically arranged and oil filling holes 8 which are communicated with the oil ducts 7, one end of the assembly section 1 close to the oil filling holes 8 is provided with an annular plug 9, a double oil filling hole structure is formed in the oil filling holes 8 which are formed in two sides, and the oil filling holes 5 are matched, so that the oil quantity is doubled from the cylinder wall to the piston pin can be increased into a piston pin hole, the temperature of the piston pin is reduced, the phenomenon that the piston pin is broken and the piston is locked is prevented, and the service life of the piston is prolonged, and the annular oil groove 5 is the annular oil groove 5.

The assembly section 1 both sides be provided with the cylinder wall, the inside vertical strengthening rib 10 that is provided with of cylinder wall, improve whole rigidity intensity.

Furthermore, an assembly bevel 12 is arranged at the bottom of the assembly section 1, and a base 11 is arranged on one side of the assembly section 1 close to the assembly bevel 12, so that stability is improved.

Furthermore, a limiting protrusion 6 is arranged on one side of the cylinder section 2 close to the assembly section 1, and the assembly and installation are consistent.

Furthermore, the clamp between the oil duct 7 and the oil filling hole 8 is 35 degrees, which is more beneficial to oil penetration.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an initiative oil filler hole piston, includes the piston main part, its characterized in that, the piston main part divide into assembly section (1) and cylinder section (2), cylinder section (2) outside top-down seted up first annular (3) and second annular (4), assembly section (1) on seted up indent oil groove (5), assembly section (1) in be provided with cylinder section (2) be linked together cylinder (13), cylinder section (2) lean on assembly section (1) one side be provided with oiling mechanism, oiling mechanism with cylinder (13) be linked together.

2. The piston with the active oil filling hole according to claim 1, wherein two sides of the oil filling mechanism comprise oil channels (7) which are transversely and symmetrically arranged and oil filling holes (8) which are communicated with the oil channels (7), and one end of the assembly section (1) close to the oil filling holes (8) is provided with a ring plug (9).

3. An active oil filler point piston as claimed in claim 1, wherein the mounting section (1) is provided with a cylinder wall on both sides, and wherein the inside of the cylinder wall is vertically provided with a reinforcing rib (10).

4. The piston with the active oil filling hole according to claim 1, wherein an assembling bevel (12) is arranged at the bottom of the assembling section (1), and a base (11) is arranged on one side of the assembling section (1) close to the assembling bevel (12).

5. An active oil filler point piston as claimed in claim 1, characterized in that the cylinder section (2) is provided with a limit projection (6) on the side of the assembly section (1).

6. An active oil filler point piston as claimed in claim 2, wherein the clamp between the oil passage (7) and the oil filler point (8) is 35 °.