Rotary sealing ring

Abstract

The utility model discloses a rotary sealing ring which comprises a rotating shaft and a sealing ring, a sealing ring mounting groove is formed in one side of the inner wall of the rotating shaft, the sealing ring is mounted in the sealing ring mounting groove, a mounting seat is detachably connected to the interior of the rotating shaft, a driving column is movably connected to the interior of the mounting seat, and the driving column is movably connected to the interior of the rotating shaft. One end of the driving column penetrates and extends to the outer side of the mounting seat, and the outer surface, close to the middle, of the driving column in the mounting seat is fixedly connected with a driving ring; a sealing ring is clamped in an annular hole, then a mounting seat is inserted into a rotating shaft, then a driving column is pushed towards one side close to a first limiting ring, and a driving ring is close to the first limiting ring, so that a spring is extruded to be compressed, and at the moment, the outer surface of the driving ring is in sliding contact with the outer surface of the sealing ring; therefore, the sealing ring is pushed to move towards the interior of the sealing ring mounting groove, so that the sealing ring is conveniently mounted in the sealing ring mounting groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to a rotary seal ring technical field, concretely is a rotary seal ring. BACKGROUND

[0002] Rotary seal belongs to one kind of dynamic seal, and rotary seal is composed of a slip ring made of polytetrafluoroethylene and a rubber O ring providing elasticity, is used for sealing the place of rod, shaft, pin, rotary joint etc. with rotation or swing movement, and rotary type hydraulic rotation exists in each industrial field such as engineering machinery, construction machinery and automobile equipment. It is a bidirectional rotary seal ring that can bear pressure or alternating pressure on both sides.

[0003] However, some seal rings are laborious and tedious in the installation process, which can easily cause damage to the seal ring and affect the sealing effect. Therefore, it does not meet the existing needs, and for this purpose, a rotary seal ring is proposed. INVENTION CONTENTS

[0004] The utility model discloses a rotary seal ring to solve the problem of the seal ring in the installation process being laborious and tedious, which can easily cause damage to the seal ring and affect the sealing effect.

[0005] To achieve the above object, the utility model provides the following technical scheme: a rotary seal ring, including rotary shaft and seal ring, the inside wall of rotary shaft is equipped with seal ring installation slot on one side, the inside of seal ring installation slot is installed with seal ring, the inside of rotary shaft is detachably connected with the mounting seat, the inside of mounting seat is movably connected with the drive column, and one end of drive column extends to the outside of mounting seat, the outer surface of drive column is fixedly connected with the drive ring, and the outer side wall of drive ring is in contact with the inner wall of mounting seat.

[0006] Preferably, the outer surface of the mounting seat is conical, a first limiting ring is fixedly connected to one side of the inner wall of the mounting seat, a second limiting ring is fixedly connected to the side wall of the mounting seat away from the first limiting ring, and the drive ring is movably arranged between the first limiting ring and the second limiting ring.

[0007] Preferably, a spring is fixedly connected between one side of the first limiting ring and one side of the drive ring, and the spring is wound around the outer surface of the drive column.

[0008] Preferably, an annular hole is formed in the outer surface of the mounting seat near the middle, and the seal ring is movably clamped in the annular hole.

[0009] Preferably, when the side of the mounting seat is flush with the side of the rotary shaft, the annular hole corresponds to the position of the seal ring installation slot.

[0010] Preferably, two sides of the outer surface of the driving ring are provided in inclined circular arc shape, and when the sealing ring is clamped in the inside of the annular hole, the outer surface of the driving ring is in sliding contact with the inside of the sealing ring.

[0011] The utility model discloses a sealing ring is clamped in the inside of the annular hole through being sleeved on the outer surface of the mounting seat, then the mounting seat is inserted in the inside of the rotating shaft, subsequently the driving column is pushed to the side close to the first limit ring, and the driving ring is close to the first limit ring, thereby extruding spring compression, the outer surface of the driving ring is in sliding contact with the outer surface of the sealing ring at this time, thereby pushing the sealing ring to move to the inside of the sealing ring installation groove, and the sealing ring is conveniently installed in the inside of the sealing ring installation groove. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the whole structure schematic view of the utility model;

[0013] Figure 2 It is the whole front sectional view of the utility model;

[0014] Figure 3 It is the front sectional view of the utility model rotating shaft and mounting seat connection;

[0015] Figure 4 It is the structure schematic view of the utility model Figure 2 A place in the utility model. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0017] Please refer to Figures 1 to 4 The utility model provides a kind of rotating sealing ring, including rotating shaft 1 and sealing ring 2, one side of rotating shaft 1 inner wall is equipped with sealing ring installation groove 101, sealing ring installation groove 101 is installed with sealing ring 2 in the inside, the inside of rotating shaft 1 can be detachably connected with mounting seat 3, driving column 4 is movably connected in the inside of mounting seat 3, and one end of driving column 4 extends to the outside of mounting seat 3, driving ring 7 is fixedly connected on the outer surface of driving column 4 in the inside of mounting seat 3 close to middle, and the outer side wall of driving ring 7 is in contact with the inner wall of mounting seat 3.

[0018] The annular hole 301 is arranged on the outer surface of the mounting seat 3 close to the middle, and the sealing ring 2 is movably connected to the inner portion of the annular hole 301, when one side of the mounting seat 3 is flush with one side of the rotating shaft 1, the annular hole 301 corresponds to the position of the sealing ring mounting groove 101, the sealing ring 2 is sleeved on the outer surface of the mounting seat 3, and the sealing ring 2 is connected to the inner portion of the annular hole 301, then the mounting seat 3 is inserted into the inner portion of the rotating shaft 1.

[0019] The outer surface of the mounting seat 3 is conical, one side of the inner wall of the mounting seat 3 is fixedly connected with the first limiting ring 5, and one side of the mounting seat 3 away from the first limiting ring 5 is fixedly connected with the second limiting ring 6, the driving ring 7 is movably arranged between the first limiting ring 5 and the second limiting ring 6, the spring 8 is fixedly connected between one side of the first limiting ring 5 and one side of the driving ring 7, and the spring 8 is wound on the outer surface of the driving column 4, and the outer surface of the driving ring 7 is arranged in an inclined arc shape on both sides, and when the sealing ring 2 is connected to the inner portion of the annular hole 301, the outer surface of the driving ring 7 is in sliding contact with the inner side of the sealing ring 2.

[0020] The outer surface of the driving ring 7 is in sliding contact with the outer surface of the sealing ring 2, so as to push the sealing ring 2 to move towards the inner portion of the sealing ring mounting groove 101, and the sealing ring 2 is conveniently mounted in the inner portion of the sealing ring mounting groove 101.

[0021] When the rotating sealing ring is used, the sealing ring 2 is sleeved on the outer surface of the mounting seat 3, and the sealing ring 2 is connected to the inner portion of the annular hole 301, then the mounting seat 3 is inserted into the inner portion of the rotating shaft 1, subsequently the driving column 4 is pushed towards one side close to the first limiting ring 5, and the driving ring 7 is close to the first limiting ring 5, so as to compress the spring 8, at this time, the outer surface of the driving ring 7 is in sliding contact with the outer surface of the sealing ring 2, so as to push the sealing ring 2 to move towards the inner portion of the sealing ring mounting groove 101, and the sealing ring 2 is conveniently mounted in the inner portion of the sealing ring mounting groove 101.

[0022] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application.

Claims

1. A rotary sealing ring, comprising a rotary shaft and a sealing ring, characterized in that a sealing ring mounting groove is provided on one side of the inner wall of the rotary shaft, a sealing ring is installed inside the sealing ring mounting groove, a mounting seat is detachably connected inside the rotary shaft, a drive column is movably connected inside the mounting seat, and one end of the drive column extends through to the outer side of the mounting seat, a drive ring is fixedly connected to the outer surface of the drive column near the middle inside the mounting seat, and the outer side wall of the drive ring is in close contact with the inner wall of the mounting seat.

2. The rotary sealing ring according to claim 1, characterized in that, The outer surface of the mounting base is tapered. A first limiting ring is fixedly connected to one side of the inner wall of the mounting base, and a second limiting ring is fixedly connected to the side wall of the mounting base away from the first limiting ring. The driving ring is movably disposed between the first limiting ring and the second limiting ring.

3. A rotary sealing ring according to claim 2, characterized in that, A spring is fixedly connected between one side of the first limiting ring and one side of the driving ring, and the spring is wrapped around the outer surface of the driving column.

4. A rotary sealing ring according to claim 1, characterized in that, The mounting base has an annular hole on its outer surface near the center, and the sealing ring can be movably engaged inside the annular hole.

5. A rotary sealing ring according to claim 4, characterized in that, When one side of the mounting base is flush with one side of the rotating shaft, the annular hole corresponds to the position of the sealing ring mounting groove.

6. A rotary sealing ring according to claim 1, characterized in that, The outer surface of the drive ring has two inclined arc-shaped sides, and when the sealing ring is engaged inside the annular hole, the outer surface of the drive ring slides in contact with the inner side of the sealing ring.

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