CN217762065U

CN217762065U - Apply to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration

Info

Publication number: CN217762065U
Application number: CN202220964129.4U
Authority: CN
Inventors: 汤杰
Original assignee: Hangzhou Yongli Seal Co ltd
Current assignee: Hangzhou Yongli Seal Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-11-08
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to an apply to mechanical seal's rotating ring sealing washer and quiet ring seal integrated configuration, affiliated mechanical seal technical field, including the rotation axis, rotation axis one end is equipped with the quiet ring seat that cup joints mutually with the rotation axis, be equipped with the quiet ring with the mutual nested connection of rotation axis on the quiet ring seat, be equipped with quiet ring seal between quiet ring outside end and quiet ring seat, the rotation axis other end is equipped with the spring holder, be equipped with the rotating ring that cup joints with the activity of rotation axis between spring holder and quiet ring, be equipped with the rotating ring sealing washer that cup joints with rotating ring looks inlay card between spring holder front end and rotating ring, spring holder one side is equipped with the drive bolt who pegs graft with rotating ring looks screw thread formula, the drive bolt upper end is equipped with the nut, be equipped with the spring holder between spring holder opposite side end and the rotating ring terminal surface, the spring of rotating ring looks nested connection. The sealing device has the characteristics of simple structure, good sealing effect and long service life. The problem of present most machine seal be convenient for cushion the distance between rotation axis and the organism is solved.

Description

Apply to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration

Technical Field

The utility model relates to a mechanical seal technical field, concretely relates to apply to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and elastic force or magnetic force of a compensation mechanism and the cooperation of an auxiliary seal. The elastic force loading mechanism and the auxiliary seal are mechanical seals of metal corrugated pipes, which are called metal corrugated pipe seals. In light sealing, a rubber corrugated pipe is used as auxiliary sealing, the elasticity of the rubber corrugated pipe is limited, and a spring is generally required to be supplemented to meet the loading elasticity. "mechanical seal" is often referred to by one as "mechanical seal" for short.

The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, and compressors. Since the drive shaft extends through the inside and outside of the apparatus, there is a circumferential gap between the shaft and the apparatus through which the medium in the apparatus leaks out, and if the pressure in the apparatus is lower than atmospheric pressure, air leaks into the apparatus, so that a shaft seal device must be provided to prevent leakage.

Disclosure of Invention

The utility model discloses there is the structure complicacy among the main prior art of solving, sealed effect is poor and life is short not enough, provides one kind and applies to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration, and it has simple structure, sealed effectual and long service life's characteristics. The problem of present most machine seal be convenient for cushion the distance between rotation axis and the organism is solved.

The above technical problem of the utility model is mainly solved through the following technical scheme:

the utility model provides an apply to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration, includes the rotation axis, rotation axis one end be equipped with the quiet ring seat that cup joints mutually with the rotation axis, quiet ring seat on be equipped with the quiet ring with rotation axis nested connection, quiet ring outside end and quiet ring seat between be equipped with quiet ring sealing washer, the rotation axis other end be equipped with the spring holder, spring holder and quiet ring between be equipped with the rotating ring that cup joints with the activity of rotating shaft mutually, spring holder front end and rotating ring between be equipped with the rotating ring sealing washer that cup joints with rotating ring looks embedded, spring holder one side be equipped with the drive bolt who pegs graft with rotating ring looks screw thread formula, drive bolt upper end be equipped with the nut, another side of spring holder and rotating ring terminal surface between be equipped with the spring with spring holder, rotating ring looks nested connection.

Preferably, the upper end of the static ring is provided with a static ring gland which is in clamping embedded type compression joint with the static ring, and the static ring gland and the static ring seat are mutually connected and fixed by screws.

Preferably, a stationary ring cushion sleeved with the rotating shaft is arranged between the lower end of the stationary ring and the stationary ring seat.

Preferably, a buffer cushion is arranged between the static ring and the movable ring, the buffer cushion is sleeved with the rotating shaft, and the buffer cushion is movably contacted with the movable ring.

Preferably, the cross section of the movable ring is of a concave structure, and the spring seat is of a convex structure.

Preferably, the transmission bolt is connected with the spring seat in a penetrating way.

Preferably, a set screw inserted in the spring in a penetrating manner is arranged at the side end of the spring seat.

Preferably, the lower end of the static ring seat is provided with a static ring seat sealing gasket sleeved with the rotating shaft.

Preferably, the upper end of the static ring seat is provided with a lubricating box integrated with the static ring seat, the upper end of the lubricating box is provided with a dust cover sleeved with the movable ring, and the outer ring of the dust cover is fixedly sleeved with the lubricating box in an embedded manner.

The utility model discloses can reach following effect:

the utility model provides an apply to mechanical seal's rotating ring sealing washer and quiet ring sealing washer integrated configuration compares with prior art, has simple structure, sealed effectual and long service life's characteristics. The problem of present most machine seal be convenient for cushion the distance between rotation axis and the organism is solved.

Drawings

Fig. 1 is a structural sectional view of the present invention.

In the figure: the sealing device comprises a spring 1, a spring seat 2, a rotating shaft 3, a nut 4, a transmission bolt 5, a movable ring sealing ring 6, a movable ring 7, a cushion pad 8, a static ring gland 9, a static ring seat 10, a static ring seat sealing gasket 11, a static ring sealing ring 12, a static ring pad 13, a static ring 14, a lubricating box 15, a dust cover 16 and a set screw 17.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

The embodiment is as follows: as shown in fig. 1, a moving ring seal ring and static ring seal ring combined structure for mechanical seal includes a rotating shaft 3, a static ring seat 10 sleeved with the rotating shaft 3 is provided at one end of the rotating shaft 3, and a static ring seat seal gasket 11 sleeved with the rotating shaft 3 is provided at the lower end of the static ring seat 10. The upper end of the static ring seat 10 is provided with a lubrication box 15 which is integrated with the static ring seat 10, the upper end of the lubrication box 15 is provided with a dust cover 16 which is sleeved with the movable ring 7, and the outer ring of the dust cover 16 is fixedly sleeved with the lubrication box 15 in a clamping and embedding manner. The stationary ring seat 10 is provided with a stationary ring 14 which is connected with the rotating shaft 3 in an embedded manner, the upper end of the stationary ring 14 is provided with a stationary ring gland 9 which is in clamping and pressing connection with the stationary ring 14, and the stationary ring gland 9 and the stationary ring seat 10 are mutually connected and fixed by screws. A static ring pad 13 sleeved with the rotating shaft 3 is arranged between the lower end of the static ring 14 and the static ring seat 10. A static ring sealing ring 12 is arranged between the outer side end of the static ring 14 and the static ring seat 10, a spring seat 2 is arranged at the other end of the rotating shaft 3, and the spring seat 2 is in a convex structure. A movable ring 7 movably sleeved with the rotating shaft 3 is arranged between the spring seat 2 and the stationary ring 14, and the cross section of the movable ring 7 is of a concave structure. A buffer pad 8 is arranged between the static ring 14 and the dynamic ring 7, the buffer pad 8 is sleeved with the rotating shaft 3, and the buffer pad 8 is movably contacted with the dynamic ring 7. A movable ring sealing ring 6 which is in clamping and sleeving connection with the movable ring 7 is arranged between the front end of the spring seat 2 and the movable ring 7, a transmission bolt 5 which is in threaded insertion connection with the movable ring 7 is arranged on one side of the spring seat 2, and the transmission bolt 5 is connected with the spring seat 2 in a penetrating mode. The upper end of the transmission bolt 5 is provided with a nut 4, and a spring 1 which is nested and connected with the spring seat 2 and the movable ring 7 is arranged between the other side end of the spring seat 2 and the end surface of the movable ring 7. A set screw 17 which is inserted in the spring 1 in a penetrating way is arranged at the side end of the spring seat 2.

In conclusion, the combined structure of the movable ring sealing ring and the static ring sealing ring applied to mechanical sealing has the characteristics of simple structure, good sealing effect and long service life. The problem of present most machine seal be convenient for cushion the distance between rotation axis and the organism is solved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In summary, the above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art in the field of the present invention are all covered in the scope of the present invention.

Claims

1. The utility model provides an apply to mechanical seal's rotating ring sealing washer and quiet ring sealing circle integrated configuration which characterized in that: including rotation axis (3), rotation axis (3) one end be equipped with the quiet ring seat (10) that cup joints mutually with rotation axis (3), quiet ring seat (10) on be equipped with rotation axis (3) looks nested connection's quiet ring (14), quiet ring (14) outside end and quiet ring seat (10) within a definite time be equipped with quiet ring seal (12), rotation axis (3) other end be equipped with spring holder (2), spring holder (2) and quiet ring (14) within a definite time be equipped with rotating ring (7) that cup joints with rotation axis (3) looks activity, spring holder (2) front end and rotating ring (7) within a definite time be equipped with rotating ring seal (6) that cup joints with rotating ring (7) looks embedded, spring holder (2) one side be equipped with drive bolt (5) of pegging graft mutually with rotating ring (7) looks screw thread formula, drive bolt (5) upper end be equipped with nut (4), another side of spring holder (2) and rotating ring (7) terminal surface within a definite time be equipped with spring (1) of spring holder (7) nested connection mutually.

2. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: quiet ring (14) upper end be equipped with quiet ring gland (9) with quiet ring (14) looks inlay card formula crimping, quiet ring gland (9) and quiet ring holder (10) adopt the screw connection fixed each other.

3. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: a static ring pad (13) which is sleeved with the rotating shaft (3) is arranged between the lower end of the static ring (14) and the static ring seat (10).

4. The combination structure of the dynamic ring seal ring and the static ring seal ring for mechanical seal as claimed in claim 1, wherein: stationary ring (14) and rotating ring (7) between be equipped with blotter (8), blotter (8) cup joint with rotation axis (3) mutually, blotter (8) with rotating ring (7) movable contact mutually.

5. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: the cross section of the movable ring (7) is of a concave structure, and the spring seat (2) is of a convex structure.

6. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: the transmission bolt (5) is connected with the spring seat (2) in a penetrating way.

7. The combination structure of the dynamic ring seal ring and the static ring seal ring for mechanical seal as claimed in claim 1, wherein: and a set screw (17) which is in through-type insertion connection with the spring (1) is arranged at the side end of the spring seat (2).

8. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: the lower end of the static ring seat (10) is provided with a static ring seat sealing gasket (11) which is sleeved with the rotating shaft (3).

9. The combination structure of a dynamic ring seal ring and a static ring seal ring for mechanical seal as claimed in claim 1, wherein: static ring seat (10) upper end be equipped with and be lubricated box (15) of integration with static ring seat (10), lubricated box (15) upper end be equipped with shield (16) that cup joint mutually with rotating ring (7), shield (16) outer lane and lubricated box (15) inlay the formula mutually and cup joint fixedly.