CN214404192U

CN214404192U - Oil cylinder end cover oil leakage prevention sealing structure

Info

Publication number: CN214404192U
Application number: CN202120656041.1U
Authority: CN
Inventors: 张瑞珍
Original assignee: Shanxi Chenjin Electromechanical Equipment Co ltd
Current assignee: Shanxi Chenjin Electromechanical Equipment Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-10-15
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses an oil cylinder end cover leak protection oil seal structure, including cylinder and end cover, be provided with the mounting groove on the end cover, fixedly connected with multiunit sealing ring on the terminal surface of mounting groove, fixedly connected with multiunit sealing washer on the lateral wall of mounting groove, the end of cylinder matches every group sealing ring and all is provided with the seal groove, it all is provided with the annular to match every group sealing washer on the outer wall of cylinder, when the cylinder end is located the mounting groove, the outer wall of cylinder and the inner wall in close contact with of mounting groove, the gomphosis of sealing ring one-to-one to the seal inslot, and the gomphosis of sealing washer one-to-one to the annular. The utility model discloses because of it has sealed effect excellence, can greatly reduce the advantage of fluid seepage, consequently have great popularization meaning.

Description

Oil cylinder end cover oil leakage prevention sealing structure

Technical Field

The utility model relates to a hydro-cylinder technical field, specific hydro-cylinder end cover leak protection oil seal structure that says so.

Background

The oil cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and makes linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems. The output force of the oil cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston; the oil cylinder is basically composed of a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device and an exhaust device.

The cylinder and the cylinder cover in the prior art are usually sealed by a simple rubber sealing ring, so that the sealing effect is poor, oil leakage is easy to occur, and the mechanical energy conversion efficiency of the oil cylinder is low.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned weak point that exists among the prior art, the utility model aims at providing a sealed effect is excellent, can greatly reduce hydro-cylinder end cover leak protection oil seal structure of fluid seepage.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is: the utility model provides an oil cylinder end cover leak protection oil seal structure, includes cylinder and end cover, be provided with the mounting groove on the end cover, fixedly connected with multiunit sealing ring on the terminal surface of mounting groove, fixedly connected with multiunit sealing washer on the lateral wall of mounting groove, the end of cylinder matches every group the sealing ring all is provided with the seal groove, match every group on the outer wall of cylinder the sealing washer all is provided with the annular, the cylinder end is located during the mounting groove, the outer wall of cylinder with the inner wall in close contact with of mounting groove, the gomphosis of sealing ring one-to-one extremely in the seal groove, just the gomphosis of sealing washer one-to-one extremely in the annular.

When the cylinder barrel is located in the mounting groove, a sealing gasket is arranged between the end head of the cylinder barrel and the end face of the mounting groove.

The number of the sealing rings adopts 1-3 groups, and the number of the sealing rings adopts 2-4 groups.

The sealing ring and the end cover are of an integrated structure.

The thickness of the sealing ring is one sixth of the thickness of the cylinder wall of the cylinder barrel.

The length of the cylinder barrel in the installation groove is not less than one fifth of the whole length of the cylinder barrel.

The utility model has the advantages that: the utility model provides an when end cover and cylinder are connected, can insert the mounting groove of end cover with the cylinder in to make the gomphosis of sealing ring one-to-one to in the seal groove, the sealing washer then the gomphosis of one-to-one to the annular in, seal between with end cover and cylinder through sealing ring and sealing washer, sealed effect is excellent, and very big reduction fluid seepage, guarantees that the result of use of hydro-cylinder is excellent.

Drawings

FIG. 1 is a schematic view of an exploded structure of a middle cylinder and an end cap of the present invention;

FIG. 2 is a schematic view of the structure of the middle end cap of the present invention;

fig. 3 is the structure schematic diagram of the middle cylinder and the end cover after being connected.

In the figure: 1 cylinder barrel, 2 end covers, 3 mounting grooves, 4 sealing rings, 5 sealing rings, 6 sealing grooves, 7 ring grooves and 8 sealing gaskets.

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. 1-3, an oil cylinder end cover oil leakage prevention sealing structure includes a cylinder barrel 1 and an end cover 2, the end cover 2 is provided with a mounting groove 3, the end surface of the mounting groove 3 is fixedly connected with 1-3 groups of sealing rings 4, and the thickness of the sealing rings 4 is one sixth of the thickness of the cylinder wall of the cylinder barrel 1, for example, when the thickness of the cylinder wall of the cylinder barrel 1 is 12mm, the thickness of the sealing rings 4 is 2mm, and in order to ensure the structural firmness of the end cover 2, the sealing rings 4 and the end cover 2 are in an integral structure;

2-4 groups of sealing rings 5 are fixedly connected to the side wall of the mounting groove 3, the end of the cylinder barrel 1 is matched with each group of sealing rings 4 and is provided with a sealing groove 6, and the outer wall of the cylinder barrel 1 is matched with each group of sealing rings 5 and is provided with a ring groove 7;

when the end of the cylinder barrel 1 is positioned in the mounting groove 3, the outer wall of the cylinder barrel 1 is tightly contacted with the inner wall of the mounting groove 3, the sealing rings 4 are correspondingly embedded into the sealing groove 6 one by one, the outer wall of the sealing ring 4 is tightly contacted with the inner wall of the sealing groove 6, meanwhile, the sealing rings 5 are correspondingly embedded into the annular groove 7 one by one, the outer wall of the sealing ring 5 is tightly contacted with the inner wall of the annular groove 7, a sealing gasket 8 is arranged between the end of the cylinder barrel 1 and the end surface of the mounting groove 3, the sealing effect between the cylinder barrel 1 and the end cover 2 is further enhanced through the sealing gasket 8,

when 1 end of cylinder barrel was located mounting groove 3, the length that cylinder barrel 1 was located mounting groove 3 was not less than one fifth of the whole length of cylinder barrel 1, for example when the length of cylinder barrel 1 was 150mm, the length that cylinder barrel 1 was located mounting groove 3 was not less than 30mm to it is longer to make cylinder barrel 1 be connected length with end cover 2, guarantees that the linkage effect is stable.

The utility model discloses a when end cover 2 is connected with cylinder 1, can insert in end cover 2's mounting groove 3 with cylinder 1 to make 4 one-to-one of sealing ring in gomphosis to seal

groove

6, and 5 then 5 in the gomphosis of one-to-one to annular 7 of sealing ring, seal up between end cover 2 and cylinder 1 through sealing ring 4 and sealing ring 5, sealed effect is excellent, and very big reduction fluid seepage, guarantees that the result of use of hydro-cylinder is excellent.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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. The utility model provides an hydro-cylinder end cover leak protection oil seal structure, includes cylinder (1) and end cover (2), its characterized in that: be provided with mounting groove (3) on end cover (2), fixedly connected with multiunit sealing ring (4) on the terminal surface of mounting groove (3), fixedly connected with multiunit sealing washer (5) on the lateral wall of mounting groove (3), the end of cylinder (1) matches every group sealing ring (4) all are provided with seal groove (6), match every group on the outer wall of cylinder (1) sealing washer (5) all are provided with annular (7), cylinder (1) end is located during in mounting groove (3), the outer wall of cylinder (1) with the inner wall in close contact with of mounting groove (3), the gomphosis of sealing ring (4) one-to-one extremely in seal groove (6), the gomphosis of sealing washer (5) one-to-one extremely in annular (7).

2. The oil cylinder end cover oil leakage prevention sealing structure of claim 1, characterized in that: when the cylinder barrel (1) is located in the mounting groove (3), a sealing gasket (8) is arranged between the end of the cylinder barrel (1) and the end face of the mounting groove (3).

3. The oil cylinder end cover oil leakage prevention sealing structure of claim 1, characterized in that: the number of the sealing rings (4) adopts 1-3 groups, and the number of the sealing rings (5) adopts 2-4 groups.

4. The oil cylinder end cover oil leakage prevention sealing structure of claim 1, characterized in that: the sealing ring (4) and the end cover (2) are of an integrated structure.

5. The oil cylinder end cover oil leakage prevention sealing structure of claim 1, characterized in that: the thickness of the sealing ring (4) is one sixth of the thickness of the cylinder wall of the cylinder barrel (1).

6. The oil cylinder end cover oil leakage prevention sealing structure of claim 1, characterized in that: the length of the cylinder barrel (1) in the installation groove (3) is not less than one fifth of the whole length of the cylinder barrel (1).