CN109027238B

CN109027238B - Skeleton dustproof ring

Info

Publication number: CN109027238B
Application number: CN201811130460.0A
Authority: CN
Inventors: 王银川
Original assignee: Anhui Lotron Rubber Technology Co ltd
Current assignee: Anhui Lotron Rubber Technology Co ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2020-11-13
Anticipated expiration: 2038-09-27
Also published as: CN109027238A

Abstract

The invention discloses a framework dustproof ring. Relates to the technical field of dust rings. The invention comprises an upper ring opening, a framework and a ring body, wherein the upper ring opening, the framework and the ring body are all of annular structures, and a conical pipe is arranged inside the upper ring opening; a disc structure is arranged on the periphery of the conical tube, an annular snap ring is arranged on the lower end face of the disc, and a rectangular groove is formed in the side edge of the lower end face of the disc; the upper end surface of the ring body is provided with a clamping groove; the lower end surface of the ring body is provided with a positioning groove; the upper snap ring of the upper ring opening is matched and installed with the upper snap groove of the ring body; a circular ring structure extends inwards from one end surface of the framework, and a positioning ring is arranged on the inner side of the circular ring structure; the inner side of the framework is uniformly provided with vertically arranged convex ribs; the positioning ring arranged on the inner side of the framework is matched and installed with the positioning groove arranged on the ring body. The stability of the ring body structure is ensured through the installed framework, and the service life is effectively prolonged; in addition, the upper ring opening can be independently replaced, and the use cost is reduced.

Description

Skeleton dustproof ring

Technical Field

The invention belongs to the technical field of dustproof rings, and particularly relates to a framework dustproof ring.

Background

The dustproof ring is mainly used for removing dirt such as dust, sand dust, rainwater, frost and the like attached to the surface, exposed on the outer portion of the cylinder, of the reciprocating piston rod, and preventing the external dust and the rainwater from entering the sealing mechanism. The good dust ring should be of a sharp lip-shaped structure and have a low friction coefficient, so that external dust can be prevented from entering the system, and the abrasion of the equipment is reduced.

The existing dustproof ring is of an integral structure, is easy to age externally after being used for a long time, influences the dustproof effect and is high in integral replacement cost.

Disclosure of Invention

The invention aims to provide a framework dustproof ring, which is characterized in that a conical opening arranged on an upper ring opening is attached to the outer wall of a peripheral body, so that the purpose of dust prevention is achieved, the upper ring opening is easy to age in the long-time use process, the dustproof effect is effectively improved by replacing the upper ring opening, and the use cost can be reduced; the framework of installation guarantees the stability of ring body structure in addition, improves life effectively, has solved the problem that current dust ring often changes use cost height and the ring body easily takes place to warp life weak point.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a framework dust ring which comprises an upper ring opening, a framework and a ring body, wherein the upper ring opening, the framework and the ring body are all of annular structures, and a conical pipe is arranged inside the upper ring opening; a disc structure is arranged on the periphery of the conical tube, an annular snap ring is arranged on the lower end face of the disc, and a rectangular groove is formed in the side edge of the lower end face of the disc;

a V-shaped groove is formed between the upper end surface of the disc and the conical surface of the conical tube;

the upper end surface of the ring body is provided with a clamping groove; the lower end surface of the ring body is provided with a positioning groove;

the upper ring opening upper clamping ring is matched and installed with the upper clamping groove of the ring body;

a circular ring structure extends inwards from one end surface of the framework, and a positioning ring is arranged on the inner side of the circular ring structure; the inner side of the framework is uniformly provided with vertically arranged convex ribs;

the locating ring that the skeleton inboard was equipped with and the constant head tank cooperation installation that is equipped with on the ring body.

Further, the height of the framework is the same as that of the ring body; the framework is made of metal materials; the ring body is made of rubber.

Furthermore, one end of the conical tube on the upper ring opening, which is far away from the disc structure, is a small end; the upper ring opening is made of rubber.

Furthermore, the inner side surface of the framework is provided with 4 or 8 convex ribs.

The invention has the following beneficial effects:

the dustproof structure has the advantages that the conical opening formed in the upper ring opening is attached to the outer wall of the peripheral body, so that the dustproof purpose is realized, the upper ring opening is easy to age in the long-time use process, the dustproof effect is effectively improved by replacing the upper ring opening, and the use cost can be reduced; in addition, the installed framework ensures the stability of the ring body structure and effectively prolongs the service life.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of an upper annular opening in the present invention;

FIG. 4 is a schematic structural view of a ring body of the present invention;

FIG. 5 is a schematic perspective view of the skeleton of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1-upper ring opening, 101-conical tube, 102-ring groove, 103-rectangular groove, 104-snap ring, 2-framework, 201-rib, 202-positioning ring, 3-ring body, 301-clamping groove and 302-positioning groove.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

The first embodiment is as follows:

referring to fig. 1-5, the present invention is a framework dust ring, which includes an upper ring opening 1, a framework 2 and a ring body 3, wherein the upper ring opening 1, the framework 2 and the ring body 3 are all ring structures, and the interior of the upper ring opening 1 is a tapered tube 101; a disc structure is arranged on the periphery of the conical tube 101, an annular snap ring 104 is arranged on the lower end face of the disc, and a rectangular groove 103 is formed in the side edge of the lower end face of the disc;

wherein, a V-shaped groove is formed between the upper end surface of the disc and the conical surface of the conical tube 101;

the upper end surface of the ring body 3 is provided with a clamping groove 301; the lower end surface of the ring body 3 is provided with a positioning groove 302;

the upper snap ring 104 on the upper ring opening 1 is matched and arranged with the clamping groove 301 on the ring body 3;

a circular ring structure extends inwards from one end surface of the framework 2, and a positioning ring 202 is arranged on the inner side of the circular ring structure; the inner side of the framework 2 is uniformly provided with vertically arranged convex ribs 201;

the positioning ring 202 arranged on the inner side of the framework is matched and arranged with the positioning groove 302 arranged on the ring body 3.

Wherein, the height of the framework 2 is the same as that of the ring body 3; the framework 2 is made of metal materials; the ring body 3 is made of rubber.

Wherein, one end of the conical pipe on the upper ring opening 1 far away from the disc structure is a small end; the upper ring opening 1 is made of rubber.

Wherein, the rib 201 that is equipped with on the medial surface of skeleton 2 is 4.

Example two:

Wherein, the rib 201 that is equipped with on the medial surface of skeleton 2 is 8.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A framework dust ring comprises an upper ring opening (1), a framework (2) and a ring body (3), wherein the upper ring opening (1), the framework (2) and the ring body (3) are all of annular structures, a ring structure extends inwards from one end surface of the framework (2), and a positioning ring (202) is arranged on the inner side of the ring structure; the inner side of the framework (2) is uniformly provided with vertically arranged convex ribs (201); the locating ring (202) that the skeleton inboard was equipped with and constant head tank (302) cooperation installation that is equipped with on ring body (3), its characterized in that:

the inner part of the upper annular opening (1) is a conical pipe (101); a disc structure is arranged on the periphery of the conical tube (101), an annular snap ring (104) is arranged on the lower end face of the disc, and a rectangular groove (103) is formed in the side edge of the lower end face of the disc;

a V-shaped groove is formed between the upper end surface of the disc and the conical surface of the conical tube (101);

a clamping groove (301) is formed in the upper end face of the ring body (3); a positioning groove (302) is formed in the lower end face of the ring body (3);

and the upper snap ring (104) of the upper ring opening (1) is matched and installed with the upper snap groove (301) of the ring body (3).

2. A skeleton dust ring according to claim 1, characterized in that the height of the skeleton (2) is the same as the height of the ring body (3); the framework (2) is made of metal materials; the ring body (3) is made of rubber.

3. The framework dust ring as claimed in claim 1, wherein the end of the conical pipe on the upper ring opening (1) far away from the disc structure is a small end; the upper ring opening (1) is made of rubber materials.

4. A framework dust ring according to claim 1, characterized in that the ribs (201) on the inner side of the framework (2) are 4 or 8.