CN219549607U

CN219549607U - Guide ring seal

Info

Publication number: CN219549607U
Application number: CN202320828927.9U
Authority: CN
Inventors: 沈善良
Original assignee: Jiashan Jineng Mechanical Seal Co ltd
Current assignee: Jiashan Jineng Mechanical Seal Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-08-18
Anticipated expiration: 2033-04-14

Abstract

The utility model discloses a guide ring sealing piece, which comprises a guide ring main body (1), wherein an annular inner groove (2) is formed in the inner ring surface of the guide ring main body (1), inner sealing rings (3) which are fixedly connected with the two sides of the annular inner groove (2) are arranged in the annular inner groove, annular side grooves (4) are formed in the two side walls of the guide ring main body (1), and movably connected side sealing rings (5) are arranged in the annular side grooves (4); a plurality of action mechanisms (6) which are annularly distributed are arranged in the guide ring main body (1), and each action mechanism (6) comprises a transverse channel (7) with two ends communicated with the annular side grooves (4); the utility model is provided with a plurality of sealing rings, can ensure that the sealing rings are tightly attached to the annular grooves of the piston, and has good sealing effect.

Description

Guide ring seal

Technical Field

The utility model relates to the technical field of guide rings, in particular to a guide ring sealing element.

Background

The guide ring mainly has a guide function, is mainly suitable for guiding the piston and the piston ring in the hydraulic cylinder and the air cylinder, and plays a supporting and guiding role; the prior guide ring is usually arranged in an annular groove at the side part of a piston during installation, for example, chinese patent publication No. CN213899459U discloses a composite plastic sealing guide ring for coal mine machinery, which specifically comprises a guide ring main body, a clamping groove, a sealing ring and other parts, the sealing effect is realized through the sealing ring at the inner side after the installation is completed, and the sealing ring is only arranged at one position and is not provided with a pushing mechanism, so that when the inner annular surface of the sealing ring cannot be completely attached to the annular groove, part of the sealing effect is lost, and the use reliability is poor.

Disclosure of Invention

The utility model aims to provide a guide ring sealing element; the utility model is provided with a plurality of sealing rings, can ensure that the sealing rings are tightly attached to the annular grooves of the piston, and has good sealing effect.

The technical scheme of the utility model is as follows: the guide ring sealing piece comprises a guide ring main body, an annular inner groove is formed in the inner ring surface of the guide ring main body, inner sealing rings with two sides fixedly connected with the inner groove are arranged in the annular inner groove, annular side grooves are formed in two side walls of the guide ring main body, and movably connected side sealing rings are arranged in the annular side grooves; be equipped with a plurality of annular action mechanisms that distribute in the guide ring main part, action mechanism includes the transverse channel of both ends and annular side groove intercommunication, and the middle part of transverse channel is equipped with the vertical channel of intercommunication its and annular inside groove, and the both sides of transverse channel all are equipped with the last slide bar that links to each other with the side seal circle, are equipped with the lower slide bar that links to each other with interior sealing washer in the vertical channel, and the upper end of lower slide bar is equipped with hemisphere pressurized surface, and the inner of going up the slide bar is equipped with the extrusion inclined plane that laminates mutually with hemisphere pressurized surface.

In the guide ring sealing member, the outer side surface of the side sealing ring protrudes out of the plane where the side wall of the guide ring main body is located.

In the guide ring sealing piece, the inner sealing ring and the side sealing ring are made of rubber materials.

In the guide ring sealing member, the outer ring surface of the guide ring main body is provided with a plurality of evenly distributed annular oil grooves.

In the guide ring sealing member, the outer side corners of the clamping hooks are provided with chamfer transition.

Compared with the prior art, the utility model has the following beneficial effects:

1. the guide ring is characterized in that an annular inner groove is formed in an inner ring surface of a guide ring main body, an inner sealing ring is arranged in the annular inner groove, annular side grooves are formed in two side walls of the guide ring main body, and movably connected side sealing rings are arranged in the annular side grooves; the guide ring is characterized in that a plurality of annular distributed action mechanisms are arranged in the guide ring main body, each action mechanism comprises a transverse channel with two ends communicated with annular side grooves, a vertical channel communicated with the annular side grooves is arranged in the middle of each transverse channel, an upper sliding rod connected with each side sealing ring is arranged on two sides of each transverse channel, a lower sliding rod connected with each inner sealing ring is arranged in each vertical channel, a hemispherical compression surface is arranged at the upper end of each lower sliding rod, and an extrusion inclined surface attached to each hemispherical compression surface is arranged at the inner end of each upper sliding rod; when the guide ring main body is installed, the guide ring main body is inserted into the annular groove of the piston, the side sealing ring at the side part of the guide ring main body can firstly contact with the side wall of the annular groove, the side sealing ring is extruded by the side wall to enable the side sealing ring to move inwards, the upper sliding rods are driven to move inwards, the extrusion inclined planes of the upper sliding rods at the two sides are jointly extruded on the hemispherical compression surface, the lower sliding rods move downwards to generate thrust, after the guide ring main body is completely installed in the annular groove, the middle part of the inner sealing ring is pushed to deform to be tightly attached to the groove surface of the annular groove, the reaction force generated by deformation of the inner sealing ring can be acted on the side sealing ring to ensure the tight attachment of the inner sealing ring, and the sealing rings attached at a plurality of positions can effectively improve the sealing effect and have good use reliability.

2. The outer side surface of the side sealing ring protrudes out of the plane where the side wall of the guide ring main body is located, so that the side sealing ring can be fully contacted with the side wall of the annular groove, and the use reliability is further improved.

3. The inner ring corners of the side sealing rings are provided with the arc transition, the corners of the arc transition are not easy to collide with the corners of the annular grooves, the side sealing rings can be smoothly pushed to move inwards, and the convenience of installation is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural view of the action mechanism of the present utility model.

The marks in the drawings are: 1-a guide ring body; 2-an annular inner tank; 3-an inner sealing ring; 4-annular side grooves; 5-side seal rings; 6-action mechanism; 7-a transverse channel; 8-vertical channels; 9-upper slide bar; 10-lower slide bar; 11-hemispherical pressed surface; 12-extruding the inclined plane; 13-annular oil groove.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Examples: the guide ring sealing piece, as shown in figure 1, comprises a guide ring main body 1, wherein an annular inner groove 2 is arranged on the inner ring surface of the guide ring main body 1, an inner sealing ring 3 is arranged in the annular inner groove 2, two sides of the inner sealing ring are fixedly connected with the inner sealing ring through sealing glue, two ends of the inner sealing ring can be fixed in a manner of clamping by arranging grooves in the annular inner groove, annular side grooves 4 are arranged on two side walls of the guide ring main body 1, and a movably connected side sealing ring 5 is arranged in the annular side grooves 4; as shown in fig. 2, a plurality of action mechanisms 6 distributed in a ring shape are arranged in the guide ring main body 1, each action mechanism 6 comprises a transverse channel 7 with two ends communicated with the annular side grooves 4, a vertical channel 8 communicated with the annular side grooves 2 is arranged in the middle of each transverse channel 7, an upper sliding rod 9 connected with the side sealing ring 5 is arranged on two sides of each transverse channel 7, a lower sliding rod 10 connected with the inner sealing ring 3 is arranged in each vertical channel 8, a hemispherical pressure surface 11 is arranged at the upper end of each lower sliding rod 10, and an extrusion inclined surface 12 attached to the hemispherical pressure surface 11 is arranged at the inner end of each upper sliding rod 9; the outer side surface of the side sealing ring 5 protrudes out of the plane where the side wall of the guide ring main body 1 is positioned; the corners of the inner ring of the side sealing ring 5 are provided with arc transition; the number of the action mechanisms 6 is at least three, so that a squeezing effect with enough area is formed; the inner sealing ring 3 and the side sealing ring 5 are made of rubber materials, so that deformation is facilitated; the outer annular surface of the guide ring main body 1 is provided with a plurality of evenly distributed annular oil grooves 13, lubricating oil can conveniently pass through to form an oil film, and the working smoothness of the piston is improved.

Working principle: when the guide ring main body is installed, the guide ring main body is inserted into the annular groove of the piston, the side sealing ring at the side part of the guide ring main body can firstly contact with the side wall of the annular groove, the side sealing ring is extruded by the side wall to enable the side sealing ring to move inwards, the upper sliding rods are driven to move inwards, the extrusion inclined planes of the upper sliding rods at the two sides are jointly extruded on the hemispherical compression surface, the lower sliding rods move downwards to generate thrust, after the guide ring main body is completely installed in the annular groove, the middle part of the inner sealing ring is pushed to deform to be tightly attached to the groove surface of the annular groove, the reaction force generated by deformation of the inner sealing ring can be acted on the side sealing ring to ensure the side sealing ring to be tightly attached, the inner side surface of the side sealing ring is attached to the outer end of the transverse channel after the installation is completed, the sealing ring is blocked, the sealing ring attached at a plurality of positions can effectively improve the sealing effect, and the use reliability is good.

The above examples only show embodiments of the present utility model, which are described in more detail and detail, but are not to be construed as limiting the scope of the utility model, and in the present examples, the upper, lower, left, right, front, and rear represent only relative positions thereof and do not represent absolute positions thereof. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. Guide ring seal, including guide ring main part (1), its characterized in that: an annular inner groove (2) is formed in the inner ring surface of the guide ring main body (1), inner sealing rings (3) with two sides fixedly connected with the annular inner groove (2) are arranged in the annular inner groove (2), annular side grooves (4) are formed in the two side walls of the guide ring main body (1), and movably connected side sealing rings (5) are arranged in the annular side grooves (4); be equipped with action mechanism (6) of a plurality of annular distributions in guide ring main part (1), action mechanism (6) are including both ends and lateral channel (7) of annular side groove (4) intercommunication, the middle part of lateral channel (7) is equipped with vertical passageway (8) of intercommunication its and annular inside groove (2), the both sides of lateral channel (7) all are equipped with slide bar (9) that link to each other with side seal circle (5), be equipped with in vertical passageway (8) with interior sealing washer (3) lower slide bar (10) that link to each other, the upper end of lower slide bar (10) is equipped with hemisphere pressurized face (11), the inner of last slide bar (9) is equipped with extrusion inclined plane (12) that laminate mutually with hemisphere pressurized face (11).

2. The guide ring seal of claim 1, wherein: the outer side surface of the side sealing ring (5) protrudes out of the plane where the side wall of the guide ring main body (1) is located.

3. The guide ring seal of claim 2, wherein: the inner ring corners of the side sealing rings (5) are provided with arc transitions.

4. The guide ring seal of claim 1, wherein: the number of the action mechanisms (6) is at least three.

5. The guide ring seal of claim 1, wherein: the inner sealing ring (3) and the side sealing ring (5) are made of rubber materials.

6. The guide ring seal of claim 1, wherein: the outer ring surface of the guide ring main body (1) is provided with a plurality of evenly distributed annular oil grooves (13).