CN209925607U

CN209925607U - Dynamic sealing ring for rotary sealing

Info

Publication number: CN209925607U
Application number: CN201920530532.4U
Authority: CN
Inventors: 范萍萍
Original assignee: Feidong Keyi Machinery Manufacturing Co Ltd
Current assignee: Feidong Keyi Machinery Manufacturing Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-10
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a movable sealing ring for rotary sealing, which comprises a movable sealing ring body and a third ring, wherein the interior of the movable sealing ring body is fixedly provided with an inner hole, the hole wall of the inner hole is equidistantly provided with three first annular grooves, the interior of the three first annular grooves is fixedly provided with a sealing ring, one end of the movable sealing ring body is fixedly provided with a second ring which is connected into a whole, the outer ring of the second ring is sleeved with an annular heat dissipation ring, and the interior of the annular heat dissipation ring is provided with a cavity body. The hole wall of the inner hole of the movable sealing ring can be in close contact with the rotating shaft.

Description

Dynamic sealing ring for rotary sealing

Technical Field

The utility model relates to a move the sealing ring, in particular to move sealing ring for rotary seal.

Background

The sealing ring is an annular sealing element with a notch, the sealing ring is placed in an annular groove of the sleeve, the sleeve and the shaft rotate together, and the sealing ring is tightly abutted against the inner hole wall of the static element by the elasticity of the pressed notch, so that the sealing effect can be achieved. Each contact surface is hardened and polished. The dynamic sealing ring is an important part of the dynamic sealing ring.

However, the general movable sealing ring is in contact with one end of the static sealing ring through the cross section on one side for sealing, when the time is too long, the friction between the movable sealing ring and the static sealing ring can cause the end face of one end of the movable sealing ring to be worn, a gap can be generated between the movable sealing ring and the static sealing ring, the phenomenon of poor sealing can be caused, the sealing effect between the movable sealing ring and the rotating shaft is poor, heat can be generated due to the wear, and the service life of the sealing ring is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a move sealing ring for rotary seal to the section that generally moves the sealing ring that proposes in solving above-mentioned background art contacts through one side and the one end of quiet sealing ring and seals, when the time is too long, the two can make the one end terminal surface of moving the sealing ring take place wearing and tearing owing to take place the friction, can produce the clearance between its and the quiet sealing ring, thereby appear sealed bad phenomenon, and the sealed effect between its and the pivot is relatively poor, and can produce the heat because of wearing and tearing, thereby reduce the live time's of sealing ring problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a move sealing ring for rotary seal, includes and moves sealing ring body and third ring, the inside fixed hole of having seted up of moving sealing ring body, three first annular groove has been seted up to the pore wall equidistance of hole, and is three the equal fixed mounting in inside of first annular groove has the sealing washer, the fixed second ring that even is as an organic whole that is equipped with of one end of moving sealing ring body, the outer lane and the annular heat dissipation circle of second ring cup joint, the cavity has been seted up to the inside of annular heat dissipation circle, the avris of moving the sealing ring body other end has seted up the second annular groove, the fixed third ring that even is as an organic whole that is equipped with in end of moving the sealing ring body other end, the third ring cup joints with third annular groove, the inner wall of first ring is seted up to third annular groove.

As a preferred technical scheme of the utility model, the filling opening has been seted up on the top of cavity, the rubber buffer has been inserted to the inside fixed of filling opening.

As a preferred technical scheme of the utility model, the outer wall of first ring one side passes through the cell wall fixed connection of expanding spring and second annular groove one side, just expanding spring cup joints with the outer lane that moves the sealing ring body.

As an optimal technical scheme of the utility model, move sealing ring body and first ring and all adopt wear-resisting cast iron material to make.

As an optimal technical scheme of the utility model, it is three the sealing washer is respectively with three first annular groove interference fit.

As an optimized technical scheme of the utility model, third ring diameter is less than the diameter of third annular groove outer lane.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a move sealing ring for rotary seal, first ring through setting up, expanding spring uses with the cooperation of moving the sealing ring body, can be when the terminal surface that moves sealing ring one end takes place wearing and tearing, under expanding spring's effect, can make movable sealing ring and quiet sealing ring in close contact with, thereby continue to guarantee sealedly, through the sealing washer that all sets up in three first annular groove is inside, can make pore wall and the pivot in close contact with of movable sealing ring hole, can realize the effect of multilayer seal, through the annular heat dissipation circle that sets up, can absorb the heat that the movable sealing ring produced because of wearing and tearing, thereby improve movable sealing ring's live time.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of the position a of the present invention.

In the figure: 1. a dynamic seal ring body; 2. a first circular ring; 3. an inner bore; 4. a first annular groove; 5. a seal ring; 6. a second circular ring; 7. an annular heat dissipation ring; 8. an injection port; 9. a second annular groove; 10. a third circular ring; 11. a third annular groove; 12. a telescoping spring.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a move sealing ring for rotary seal, including moving sealing ring body 1 and third ring 10, move the inside fixed hole 3 of having seted up of sealing ring body 1, three first annular groove 4 has been seted up to the pore wall equidistance of hole 3, the equal fixed mounting in inside of three first annular groove 4 has sealing washer 5, the fixed second ring 6 that is even as an organic whole that is equipped with of one end of moving sealing ring body 1, the outer lane of second ring 6 cup joints with annular heat dissipation circle 7, the cavity has been seted up to the inside of annular heat dissipation circle 7, second annular groove 9 has been seted up to the avris of the other end of moving sealing ring body 1, the fixed third ring 10 that is even as an organic whole that is equipped with in the end of the other end of moving sealing ring body 1, third ring 10 cup joints with third annular groove 11, third annular groove 11 sets up in the inner wall of first ring 2.

Preferably, the filling opening 8 has been seted up on the top of cavity, and the rubber buffer has been inserted to the inside fixed of filling opening 8, can avoid liquid to flow out.

Preferably, the outer wall of one side of the first circular ring 2 is fixedly connected with the groove wall of one side of the second annular groove 9 through the extension spring 12, and the extension spring 12 is sleeved with the outer ring of the movable sealing ring body 1, so that the movable sealing ring body 1 can be ensured to be in close contact with other matched objects when being worn.

Preferably, the dynamic seal ring body 1 and the first circular ring 2 are both made of wear-resistant cast iron, and have good wear resistance and processability.

Preferably, three sealing washer 5 respectively with three first annular groove 4 interference fit, can guarantee to move the sealed between the inner wall of sealing ring body 1 and the axial wall of external pivot.

Preferably, the diameter of the third ring 10 is smaller than the diameter of the outer ring of the third annular groove 11, so as to facilitate the axial movement of the dynamic seal ring body 1.

When specifically using, the utility model relates to a move sealing ring for rotary seal, first ring 2 through setting up, expanding spring 12 uses with the cooperation that moves sealing ring body 1, can be when the terminal surface that moves sealing ring one end takes place wearing and tearing, under expanding spring 12's effect, can make the static sealing ring in close contact with of messenger sealing ring body 1 and external world, thereby continue to guarantee to seal, through the sealing washer 5 that all sets up in three first annular groove 4 inside, can make the pore wall that moves sealing ring body 1 middle part hole 3 and external pivot in close contact with, can realize the sealed effect of multilayer, annular radiating ring 7 through setting up, can absorb the heat that moves sealing ring body 1 and produce because of wearing and tearing, thereby improve the live time of moving sealing ring body 1.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a move sealing ring for rotary seal, includes and moves sealing ring body (1) and third ring (10), its characterized in that, the inside of moving sealing ring body (1) is fixed to be seted up hole (3), the pore wall equidistance of hole (3) has seted up three first annular groove (4), and is three the equal fixed mounting in inside of first annular groove (4) has sealing washer (5), the one end of moving sealing ring body (1) is fixed to be equipped with even second ring (6) as an organic whole, the outer lane of second ring (6) and annular heat dissipation ring (7) cup joint, the cavity has been seted up to the inside of annular heat dissipation ring (7), second annular groove (9) have been seted up to the avris of the other end of moving sealing ring body (1), the end of the other end of moving sealing ring body (1) is fixed to be equipped with even third ring (10) as an organic whole, the third ring (10) is sleeved with a third annular groove (11), and the third annular groove (11) is arranged on the inner wall of the first ring (2).

2. A dynamic seal ring for a rotary seal as defined in claim 1, wherein: an injection port (8) is formed in the top end of the cavity, and a rubber plug is fixedly inserted into the injection port (8).

3. A dynamic seal ring for a rotary seal as defined in claim 1, wherein: the outer wall of one side of the first circular ring (2) is fixedly connected with the groove wall of one side of the second annular groove (9) through an expansion spring (12), and the expansion spring (12) is sleeved with the outer ring of the movable sealing ring body (1).

4. A dynamic seal ring for a rotary seal as defined in claim 1, wherein: the dynamic sealing ring body (1) and the first circular ring (2) are both made of wear-resistant cast iron.

5. A dynamic seal ring for a rotary seal as defined in claim 1, wherein: the three sealing rings (5) are in interference fit with the three first annular grooves (4) respectively.

6. A dynamic seal ring for a rotary seal as defined in claim 1, wherein: the diameter of the third circular ring (10) is smaller than that of the outer ring of the third annular groove (11).