CN212536303U

CN212536303U - Framework dustproof ring fixing device for hydraulic cylinder

Info

Publication number: CN212536303U
Application number: CN202020861360.1U
Authority: CN
Inventors: 薛书松; 雍君
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-12
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a pneumatic cylinder technical field, and a skeleton dust ring fixing device for pneumatic cylinder is disclosed, including the uide bushing, piston rod and dust ring, the annular mounting groove has been seted up to the tip of uide bushing, the dust ring sets up in the inside of annular mounting groove, the outside of dust ring is equipped with the annular mounting panel, the side of annular mounting panel compresses tightly the dust ring in the inside of annular mounting groove, be provided with a plurality of evenly distributed's mounting bolt on the annular mounting panel, the screw hole has been seted up to the tip of uide bushing, the annular mounting panel passes through mounting bolt and screw hole's cooperation fastening connection in the tip of uide bushing, the lateral wall of annular mounting panel encircles the fixed L type connecting rod that is equipped with a plurality of even differences, the inside of annular mounting. The utility model discloses it is high to the installation steadiness of dust ring, and can guarantee to compress tightly between the bellying of dust ring and the piston rod to the dustproof effect to the pneumatic cylinder has been improved.

Description

Framework dustproof ring fixing device for hydraulic cylinder

Technical Field

The utility model relates to a pneumatic cylinder technical field especially relates to a skeleton dust ring fixing device for pneumatic cylinder.

Background

Hydraulic cylinders are hydraulic actuators that convert hydraulic energy into mechanical energy for linear reciprocating motion (or oscillating motion) that are often used in hydraulic systems. The dust ring is one of the main elements of the hydraulic cylinder sealing device and plays a role in preventing dirt such as dust, sand and dust, rainwater, frost and the like outside the hydraulic cylinder from entering the hydraulic cylinder.

The existing dust ring is generally simply fixed on a groove at the end part of a hydraulic cylinder guide sleeve, when a piston rod of a hydraulic cylinder extends out and retracts, the rod wall of the piston rod can drive the inner side wall of the dust ring to deform to a certain extent and generate a loosening phenomenon, and the dust ring can be damaged in a long time, so that the dust-proof effect of the dust ring is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the dustproof effect of the dust ring on the hydraulic cylinder is not good in the prior art, and the framework dust ring fixing device for the hydraulic cylinder is provided.

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

the utility model provides a skeleton dust ring fixing device for pneumatic cylinder, includes uide bushing, piston rod and dust ring, the annular mounting groove has been seted up to the tip of uide bushing, the dust ring sets up in the inside of annular mounting groove, the outside of dust ring is equipped with annular mounting panel, the side of annular mounting panel compresses tightly the dust ring in the inside of annular mounting groove, be provided with a plurality of evenly distributed's mounting bolt on the annular mounting panel, the screw hole is seted up to the tip of uide bushing, the annular mounting panel passes through mounting bolt and screw hole's cooperation fastening connection in the tip of uide bushing, the lateral wall of annular mounting panel encircles the fixed L type connecting rod that is equipped with a plurality of even differences, the inside of annular mounting panel is equipped with the ring clamp, and is a plurality of the L type connecting rod is kept away from the one end of annular mounting panel and all.

Preferably, the annular pressing plate is arranged in contact with a protruding part of the dust ring.

Preferably, the outer wall of the mounting bolt is provided with an annular gasket, and the annular gasket is in contact with the annular mounting plate.

Preferably, the number of the L-shaped connecting rods is four.

Preferably, the cross section of the annular pressure plate is arc-shaped.

Compared with the prior art, the utility model provides a skeleton dust ring fixing device for pneumatic cylinder possesses following beneficial effect:

1. this skeleton dust ring fixing device for pneumatic cylinder through annular mounting panel, construction bolt and the screw hole that is equipped with, is convenient for install the quick tip at the uide bushing with the dust ring.

2. This skeleton dust ring fixing device for pneumatic cylinder through annular clamp plate and the L type connecting rod that is equipped with, can guarantee to compress tightly between the bellying of dust ring and the piston rod to can avoid the long-time wearing and tearing of dust ring to produce the phenomenon of damage.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses the installation steadiness to the dust ring is high, and can guarantee to compress tightly between the bellying of dust ring and the piston rod to the dustproof effect to the pneumatic cylinder has been improved.

Drawings

Fig. 1 is a schematic structural view of a framework dust ring fixing device for a hydraulic cylinder according to the present invention;

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

fig. 3 is a schematic structural view of the annular pressing plate and the L-shaped connecting rod in fig. 1.

In the figure: the device comprises a guide sleeve 1, a piston rod 2, a dust ring 3, an annular mounting groove 4, an annular mounting plate 5, a mounting bolt 6, a threaded hole 7, an annular pressing plate 8, a connecting rod 9L and an annular gasket 10.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a framework dust ring fixing device for a hydraulic cylinder comprises a guide sleeve 1, a piston rod 2 and a dust ring 3, wherein an annular mounting groove 4 is formed in the end portion of the guide sleeve 1, the dust ring 3 is arranged inside the annular mounting groove 4, an annular mounting plate 5 is arranged on the outer side of the dust ring 3, the dust ring 3 is tightly pressed inside the annular mounting groove 4 by the side surface of the annular mounting plate 5, a plurality of uniformly distributed mounting bolts 6 are arranged on the annular mounting plate 5, a threaded hole 7 is formed in the end portion of the guide sleeve 1, the annular mounting plate 5 is tightly connected to the end portion of the guide sleeve 1 through the matching of the mounting bolts 6 and the threaded hole 7, a plurality of uniformly distributed L-shaped connecting rods 9 are fixedly arranged on the side wall of the annular mounting plate 5 in a surrounding manner, the number of the L-shaped connecting rods 9 is four, an annular pressing plate 8 is, one end of each L-shaped connecting rod 9, which is far away from the annular mounting plate 5, is fixedly connected with the side wall of the annular pressing plate 8, and the annular pressing plate 8 is in contact with the protruding part of the dust ring 3.

The outer wall of mounting bolt 6 is provided with annular gasket 10, and annular gasket 10 and the setting of annular mounting panel 5 contact can guarantee mounting bolt 6 and annular mounting panel 5's fixed effect.

The utility model discloses in, during the use, place dust ring 4 in the inside of annular mounting groove 4, then compress tightly annular mounting panel 5 on the side of dust ring 3 and insert mounting bolt 6 in the inside of screw hole 7 and fix annular mounting panel 5 at the tip of uide bushing 1, meanwhile annular clamp plate 8 can compress tightly the bellying of dust ring 3 and make it and piston rod 2 in close contact with, and then can avoid the long-time wearing and tearing of dust ring 3 to produce the phenomenon of damage, guaranteed the dustproof effect to the pneumatic cylinder.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a skeleton dust ring fixing device for pneumatic cylinder, includes uide bushing (1), piston rod (2) and dust ring (3), its characterized in that, annular mounting groove (4) have been seted up to the tip of uide bushing (1), dust ring (3) set up in the inside of annular mounting groove (4), the outside of dust ring (3) is equipped with annular mounting panel (5), the side of annular mounting panel (5) compresses tightly dust ring (3) in the inside of annular mounting groove (4), be provided with a plurality of evenly distributed's mounting bolt (6) on annular mounting panel (5), threaded hole (7) have been seted up to the tip of uide bushing (1), annular mounting panel (5) are connected in the tip of uide bushing (1) through the cooperation fastening of mounting bolt (6) and threaded hole (7), the lateral wall of annular mounting panel (5) encircles and fixedly is equipped with a plurality of even respective L type connecting rods (9), the inside of annular mounting panel (5) is equipped with annular pressure plate (8), and is a plurality of the one end that annular mounting panel (5) were kept away from in L type connecting rod (9) all with the lateral wall fixed connection of annular pressure plate (8).

2. The framework dust ring fixing device for the hydraulic cylinder as recited in claim 1, characterized in that the annular pressing plate (8) is arranged in contact with a protruding part of the dust ring (3).

3. The framework dust ring fixing device for the hydraulic cylinder as recited in claim 1, characterized in that the outer wall of the mounting bolt (6) is provided with an annular gasket (10), and the annular gasket (10) is arranged in contact with the annular mounting plate (5).

4. The framework dust ring fixing device for the hydraulic cylinder as recited in claim 1, wherein the number of the L-shaped connecting rods (9) is four.

5. The framework dust ring fixing device for the hydraulic cylinder as recited in claim 1, wherein the cross section of the annular pressure plate (8) is arc-shaped.