CN215762125U

CN215762125U - Novel phenolic resin piston

Info

Publication number: CN215762125U
Application number: CN202122245083.9U
Authority: CN
Inventors: 汤志恒; 韩越峰
Original assignee: Blake Suzhou Automobile Braking System Co ltd
Current assignee: Blake Suzhou Automobile Braking System Co ltd
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-02-08
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to a novel phenolic resin piston which comprises a metal plug, wherein a mounting seat is fixedly connected to the center of the lower portion of the metal plug, the mounting seat is embedded into a rubber plug, a positioning seat is arranged on the outer portion of the mounting seat, an air ring groove is formed in one side of the inner portion of the rubber plug, a metal gasket is arranged above the air ring groove, a rubber sealing ring is arranged on one side of the edge of the metal gasket, a sealing seat is arranged above the metal gasket and located outside the rubber plug, and a plurality of elastic rings are arranged on one side of the outer portion of the sealing seat. According to the utility model, the metal gasket and the rubber sealing ring are arranged on the rubber plug, so that the sealing property of the rubber piston is improved, the sealing seat is arranged in the rubber plug, and when the rubber plug is deformed under pressure, the rubber plug can extrude the sealing seat, so that the sealing seat is deformed to process the cylinder seal, thereby effectively improving the sealing property between the cylinder and the piston, prolonging the service life of the piston and keeping the normal operation of the air compressor.

Description

Novel phenolic resin piston

Technical Field

The utility model relates to a novel phenolic resin piston, and belongs to the technical field of resin pistons.

Background

When the piston of the piston type air compressor reciprocates in the cylinder, the pressure of the left cavity of the piston in the cylinder is lower than the atmospheric pressure when the piston moves rightwards, the suction valve is opened, and the outside air is sucked into the cylinder, and the process is called as a compression process. The rotary motion of the crank is converted into a sliding-reciprocating motion of the piston. The compressor with the structure always has residual volume at the end of the exhaust process, and compressed air in the residual volume can expand when the compressor sucks air next time, so that the sucked air quantity is reduced, the efficiency is reduced, and the compression work is increased. Simple structure, long service life and easy realization of high-capacity and high-voltage output.

When the resin piston does work in the cylinder, because the vibrations of air compressor machine are great, because the cylinder is unstable when the piston is used for a long time, the piston is very easy to take place wearing and tearing, needs frequent inspection and maintenance when using, influences the air compressor machine normal operating, consequently, needs a neotype phenol-formaldehyde resin piston.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel phenolic resin piston, which improves the sealing property of a rubber piston by arranging a metal gasket and a rubber sealing ring on the rubber piston, and a sealing seat is arranged in the rubber piston, when the rubber piston deforms under pressure, the rubber piston can extrude the sealing seat, so that the sealing seat deforms to process the cylinder seal, thereby effectively improving the sealing property of the cylinder and the piston, prolonging the service life of the piston, and keeping the normal operation of an air compressor, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a novel phenolic resin piston, includes the metal stopper, metal stopper below center fixedly connected with mount pad, the mount pad embedding is connected inside the rubber buffer, the mount pad outside is equipped with the positioning seat, the gas pocket groove has been seted up to the inside one side of rubber buffer, the gas pocket top is equipped with the metal packing ring, metal packing ring edge one side is equipped with rubber seal, the metal packing ring top is located the rubber buffer outside is equipped with the seal receptacle, the outside one side of seal receptacle is equipped with a plurality of elastic rings, the seal receptacle top is located the rubber buffer outside is equipped with the oil ring groove.

Furthermore, a pin hole is formed in the metal plug, arc-shaped grooves are formed in two sides of the upper portion of the metal plug, and the diameter of the metal plug is smaller than that of the rubber plug.

Further, the mount pad is in the inside T shape that is of rubber buffer, the mount pad bottom with the rubber buffer lower surface is on same water flat line, the mount pad bottom is equipped with the air cavity.

Further, the positioning seat is the annular and locates the mount pad edge, the positioning seat embedding in inside the rubber buffer just the positioning seat cross-section is the T shape.

Further, both sides about the seal receptacle with rubber buffer fixed connection, the elastic ring diameter is greater than the rubber buffer diameter, rubber buffer inside is equipped with and holds the chamber that holds of seal receptacle.

Further, the adjacent one side of seal receptacle is equipped with the inner ring, the inner ring outside is equipped with keeps off the ring, the inner ring with keep off the ring and all locate hold intracavity portion, keep off the ring with the seal receptacle is contradicted.

The utility model has the beneficial effects that:

the metal gasket and the rubber sealing ring are arranged on the rubber plug, the metal gasket can fix the rubber sealing ring, the diameter of the rubber sealing ring is larger than that of the rubber plug, when the metal plug and the rubber plug move in the cylinder, the rubber sealing ring can improve the sealing performance of connection between the rubber plug and the cylinder, so that the phenomenon of leakage between the rubber plug and the cylinder can be reduced, the sealing seat is arranged in the rubber plug, the elastic ring is arranged on the sealing seat and can be contacted with the inner wall of the cylinder, so that the rubber plug can be sealed above the rubber sealing ring, and when the pressure in the cylinder is increased, the sealing seat in the rubber plug can deform under the pressure of the rubber plug, so that the edge of the sealing seat can be sealed on the inner wall of the cylinder, the rubber plug is prevented from being leaked due to overlarge pressure in the cylinder or overlarge vibration, and the sealing performance of the metal plug and the rubber plug is effectively improved, the service life of the piston is prolonged.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model without limiting the utility model.

FIG. 1 is a front view of a new phenolic piston of the present invention;

FIG. 2 is a cross-sectional view of a new phenolic piston of the present invention;

FIG. 3 is an enlarged view of area A of a novel phenolic piston of the present invention;

reference numbers in the figures: 1. a metal plug; 2. a mounting seat; 3. a rubber plug; 4. positioning seats; 5. a gas ring groove; 6. a metal washer; 7. a rubber seal ring; 8. a sealing seat; 9. an elastic ring; 10. an oil ring groove; 11. a pin hole; 12. an air cavity; 13. an accommodating chamber; 14. an inner ring; 15. and (4) a baffle ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a novel phenolic resin piston, includes

metal stopper

1, 1 below center fixedly connected with mount pad 2 of metal stopper, 2 imbeds in the rubber buffer 3 insidely in the mount pad, 2 outsides of mount pad are equipped with positioning seat 4, the gas pocket 5 has been seted up to 3 inside one sides of rubber buffer, gas pocket 5 tops are equipped with

metal packing ring

6, 6 edge one sides of metal packing ring are equipped with

rubber seal

7, 6 tops of metal packing ring are located 3 outsides of rubber buffer are equipped with

seal receptacle

8, 8 outside one sides of seal receptacle are equipped with a plurality of

elastic rings

9, 8 tops of seal receptacle are located 3 outsides of rubber buffer are equipped with oil ring groove 10.

Particularly, be equipped with pinhole 11 on the

metal stopper

1, 1 top both sides of metal stopper are equipped with the arc wall, 1 diameter of metal stopper is less than 3 diameters of rubber buffer, mount pad 2 is in 3 inside T shapes that are of rubber buffer, 2 bottoms of mount pad with 3 lower surfaces of rubber buffer are on same water flat line, 2 bottoms of mount pad are equipped with air cavity 12, and mount pad 2 can fix metal stopper 1 on rubber buffer 3, prevents that rubber buffer 3 from droing from metal stopper 1.

Specifically, the positioning seat 4 is the annular and locates 2 edges of mount pad, the positioning seat 4 be embedded in rubber buffer 3 is inside just 4 cross-sections of positioning seat are the T shape, and positioning seat 4 can provide the holding power at 3 edges of rubber buffer to improve the stability of rubber buffer 3 on metal stopper 1.

Particularly, both sides about the seal receptacle 8 with rubber buffer 3 fixed connection, elasticity ring 9 diameter is greater than rubber buffer 3 diameter, rubber buffer 3 is inside to be equipped with and to hold seal receptacle 8 hold chamber 13, elasticity ring 9 can closely contradict with the cylinder inner wall, effectively improves the leakproofness between rubber buffer 3 and the cylinder.

Example 2: referring to fig. 2, the difference between the present embodiment and embodiment 1 is: adjacent one side of seal receptacle 8 is equipped with inner ring 14, the 14 outside of inner ring is equipped with keeps off ring 15, inner ring 14 with keep off ring 15 and all locate hold 13 insides, keep off ring 15 with seal receptacle 8 is contradicted, and seal receptacle 8 can be when cylinder internal pressure increases or extrusion deformation when vibrations to make 8 edges of seal receptacle contradict with cylinder inner wall, inner ring 14 can prevent with keeping off ring 15 that seal receptacle 8 from moving to 3 insides of rubber buffer, thereby can improve the leakproofness of rubber buffer 3 under adverse conditions, improve the life of piston.

The working principle of the utility model is as follows: the metal gasket 6 and the rubber seal ring 7 are arranged on the rubber plug 3, the rubber seal ring 7 can be fixed by the metal gasket 6, because the diameter of the rubber seal ring 7 is larger than that of the rubber plug 3, when the metal plug 1 and the rubber plug 3 move in the cylinder, the sealing performance between the rubber plug 3 and the cylinder can be improved by the rubber seal ring 7, so that the phenomenon of leakage between the rubber plug 3 and the cylinder can be reduced, the sealing seat 8 is arranged inside the rubber plug 3, the elastic ring 9 is arranged on the sealing seat 8, the elastic ring 9 can be contacted with the inner wall of the cylinder, so that the rubber plug 3 can be sealed above the rubber seal ring 7, and when the pressure in the cylinder is increased, the sealing seat 8 in the rubber plug 3 can deform under the pressure of the rubber plug 3, so that the edge of the sealing seat 8 can be sealed on the inner wall of the cylinder, and the rubber plug 3 is prevented from being leaked due to overlarge pressure or overlarge vibration in the cylinder, effectively improve the leakproofness of metal stopper 1 and rubber buffer 3, prolong the life of piston.

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 invention may be embodied in other specific forms without departing from the spirit or essential attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A novel phenolic resin piston comprises a metal plug (1), and is characterized in that: metal stopper (1) below center fixedly connected with mount pad (2), mount pad (2) embedding is connected inside rubber buffer (3), mount pad (2) outside is equipped with positioning seat (4), gas pocket groove (5) have been seted up to inside one side of rubber buffer (3), gas pocket groove (5) top is equipped with metal packing ring (6), metal packing ring (6) edge one side is equipped with rubber seal (7), metal packing ring (6) top is located rubber buffer (3) outside is equipped with seal receptacle (8), seal receptacle (8) outside one side is equipped with a plurality of elastic rings (9), seal receptacle (8) top is located rubber buffer (3) outside is equipped with oil pocket (10).

2. The novel phenolic resin piston of claim 1, wherein: be equipped with pinhole (11) on metal stopper (1), metal stopper (1) top both sides are equipped with the arc wall, metal stopper (1) diameter is less than rubber buffer (3) diameter.

3. The novel phenolic resin piston of claim 1, wherein: mount pad (2) are in rubber buffer (3) are inside to be T shape, mount pad (2) bottom with rubber buffer (3) lower surface is on same water flat line, mount pad (2) bottom is equipped with air cavity (12).

4. The novel phenolic resin piston of claim 1, wherein: positioning seat (4) are the annular and locate mount pad (2) edge, positioning seat (4) be embedded in rubber buffer (3) inside just positioning seat (4) cross-section is the T shape.

5. The novel phenolic resin piston of claim 1, wherein: both sides about seal receptacle (8) with rubber buffer (3) fixed connection, elasticity ring (9) diameter is greater than rubber buffer (3) diameter, rubber buffer (3) inside is equipped with and holds chamber (13) that hold of seal receptacle (8).

6. The new phenolic resin piston of claim 5, wherein: the adjacent one side of seal receptacle (8) is equipped with inner ring (14), inner ring (14) outside is equipped with keeps off ring (15), inner ring (14) with keep off ring (15) and all locate hold inside chamber (13), keep off ring (15) with seal receptacle (8) are contradicted.