CN203823044U

CN203823044U - Air cylinder end cover structure

Info

Publication number: CN203823044U
Application number: CN201420249164.3U
Authority: CN
Inventors: 杨帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-05-15
Filing date: 2014-05-15
Publication date: 2014-09-10
Anticipated expiration: 2024-05-15

Abstract

The utility model discloses an end cover structure and particularly relates to an air cylinder end cover structure. The air cylinder end cover structure comprises an air cylinder end cover and a piston rod, a reamed hole is formed in the center in the axial direction of the inner side face of the air cylinder end cover and communicated with the outside of an air cylinder through an air inlet channel. A copper bush is embedded into the center in the axial direction of the outer side face of the air cylinder end cover. The piston rod sequentially penetrates through the reamed hole and the copper bush and is led out of the air cylinder end cover. A glyd ring, a Yx type seal ring and a dust ring are sequentially embedded into the inner side face of the copper bush from inside to outside. An O ring is embedded into the outer side face of the copper bush. A copper bush cover plate is fixed to the outer side face of the air cylinder end cover. The failure rate of an air cylinder is low. By the adoption of the air cylinder end cover structure, the overall failure rate of the air cylinder is decreased substantially, and even if a failure happens, reasons can be found out conveniently. Meanwhile, the air cylinder is stable and reliable in working, and the accuracy of the forward stroke and backward stroke of the air cylinder piston rod is guaranteed.

Description

A kind of cylinder end piece structure

Technical field

The utility model relates to a kind of end cover structure, particularly a kind of cylinder end piece structure.

Background technique

Cylinder is a kind of cylindrical metal parts that guide piston to carry out therein straight reciprocating motion, on current existing cylinder end piece, guide sleeve is not set, cause cylinder end piece endoporus easy to wear and become large, thereby cause outside water electrode easily to enter in cylinder from the end cap endoporus that rubbed greatly and the gap of piston rod, not only cause cylinder operation extremely unstable, and it is aging to have aggravated cylinder seal circle, make cylinder frequent failure.

Model utility content

The purpose of this utility model is the deficiency in order to solve above-mentioned technology and a kind of cylinder end piece structure that can significantly reduce cylinder trouble rate is provided.

In order to achieve the above object, a kind of cylinder end piece structure that the utility model is designed, comprise cylinder end piece and piston rod, on the axial centre position of the inner side surface of above-mentioned cylinder end piece, be provided with reaming, this reaming is by a gas-entered passageway and the outside connection of cylinder, on the axial centre position of the outer side surface of above-mentioned cylinder end piece, be embedded with copper bush, piston rod in above-mentioned runs through reaming and copper bush successively, and be drawn out to outside cylinder end piece, on the inner side surface of above-mentioned copper bush by the interior Glais ring that is embedded with successively outward, Yx RunddichtringO and dust ring, on its outer side surface, be embedded with O shape circle, this O shape circle is positioned at copper bush and cylinder end piece between the two, on the outer side surface of above-mentioned cylinder end piece, be fixed with copper bush cover plate.

Glais ring, Yx RunddichtringO, dust ring and O shape circle in above-mentioned, its single-piece is exactly the conventional seal element in some related domains, is known by those skilled in the art.Therefore claimant does not carry out further technology introduction to above statement seal element at this.

Above-mentioned provided a kind of cylinder end piece structure, sets up copper bush in the middle of the cylinder end piece in its structure, preferably casts the lining of tin bronze material, to improve wear resistance, even and worn and torn, only change copper bush and just can repair, be unlikely to whole cylinder and scrap; Between piston rod Yu Tong village cover, select the sealing group that has comprised Glais ring, Yx RunddichtringO and dust ring simultaneously, further improved the tightness between piston rod and copper bush, promoted the operation stability of cylinder entirety.

For the wear resistance of lift piston rod, be coated with one deck polytetrafluorethylecoatings coatings at the outer surface of above-mentioned piston rod.

A kind of cylinder end piece structure that the utility model obtains, by setting up copper bush in the middle of the cylinder end piece, has made to adopt the cylinder overall failure rate of above-mentioned cylinder end piece structure significantly to reduce, even and there is fault, also can find more easily reason.Cylinder operation is reliable and stable simultaneously, has ensured the forward and back journey degree of accuracy of cylinder piston rod.

Brief description of the drawings

Fig. 1 is the schematic diagram of the present embodiment 1 a kind of cylinder end piece structure that provides;

Fig. 2 is the schematic diagram of the present embodiment 2 a kind of cylinder end piece structure that provides.

Wherein: cylinder end piece 1, piston rod 2, reaming 3, gas-entered passageway 4, copper bush 5, Glais ring 6, Yx RunddichtringO 7, dust ring 8, O shape circle 9, copper bush cover plate 10, polytetrafluorethylecoatings coatings 11.

Embodiment

Below by embodiment, the utility model will be further described by reference to the accompanying drawings.

Embodiment 1:

As shown in Figure 1, a kind of cylinder end piece structure that the present embodiment provides, comprise cylinder end piece 1 and piston rod 2, on the axial centre position of the inner side surface of above-mentioned cylinder end piece 1, be provided with reaming 3, this reaming 3 is connected by a gas-entered passageway 4 and cylinder are outside, on the axial centre position of the outer side surface of above-mentioned cylinder end piece 1, be embedded with copper bush 5, piston rod 2 in above-mentioned runs through reaming 3 and copper bush 5 successively, and be drawn out to outside cylinder end piece 1, on the inner side surface of above-mentioned copper bush 5 by the interior Glais ring 6 that is embedded with successively outward, Yx RunddichtringO 7 and dust ring 8, on its outer side surface, be embedded with O shape circle 9, this O shape circle 9 is positioned at copper bush 5 and cylinder end piece 1 between the two, on the outer side surface of above-mentioned cylinder end piece 1, be fixed with copper bush cover plate 10.

Above-mentioned provided a kind of cylinder end piece structure is set up copper bush 5 in its structure in the middle of cylinder end piece 1, preferably casts the lining of tin bronze material, to improve wear resistance, even and worn and torn, only change copper bush 5 and just can repair, be unlikely to whole cylinder and scrap; Between piston rod 2 Yu Tong village covers, select the sealing group that has comprised Glais ring 6, Yx RunddichtringO 7 and dust ring 8 simultaneously, further improved the tightness between piston rod 2 and copper bush 5, promoted the operation stability of cylinder entirety.

Embodiment 2:

A kind of cylinder end piece structure that the present embodiment provides, embodiment 1 is consistent in its general structure territory, and as shown in Figure 2, still, for the wear resistance of lift piston rod 2, the outer surface of piston rod 2 is coated with one deck polytetrafluorethylecoatings coatings 11 in the present embodiment.

Specific embodiment described herein is only to design of the present utility model explanation for example.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. a cylinder end piece structure, comprise cylinder end piece (1) and piston rod (2), on the axial centre position of the inner side surface of above-mentioned cylinder end piece (1), be provided with reaming (3), this reaming (3) is connected by a gas-entered passageway (4) and cylinder are outside, it is characterized in that being embedded with copper bush (5) on the axial centre position of the outer side surface of above-mentioned cylinder end piece (1), piston rod (2) in above-mentioned runs through reaming (3) and copper bush (5) successively, and be drawn out to outside cylinder end piece (1), on the inner side surface of above-mentioned copper bush (5) by the interior Glais ring (6) that is embedded with successively outward, Yx RunddichtringO (7) and dust ring (8), on its outer side surface, be embedded with O shape circle (9), this O shape circle (9) is positioned at copper bush (5) and cylinder end piece (1) between the two, on the outer side surface of above-mentioned cylinder end piece (1), be fixed with copper bush cover plate (10).

2. a kind of cylinder end piece structure according to claim 1, is characterized in that being coated with one deck polytetrafluorethylecoatings coatings (11) at the outer surface of above-mentioned piston rod (2).