CN210344297U

CN210344297U - Sealing piece moving ring for mechanical seal

Info

Publication number: CN210344297U
Application number: CN201920845620.3U
Authority: CN
Inventors: 王延朝
Original assignee: Ningbo Yinzhou Maihao Sealing Member Co ltd
Current assignee: Ningbo Yinzhou Maihao Sealing Member Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-17
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses a sealing member rotating ring for mechanical seal, including the rotating ring body, the rotating ring body includes the base member, the outer wall integrated into one piece of base member is connected with the lug, be formed with first cavity between the top of lug and the outer wall of base member, be formed with the second cavity between the bottom of lug and the outer wall of base member. This sealing member rotating ring for mechanical seal, use through the cooperation of opening and tongue, the diameter of tongue is greater than the diameter of opening, help improving area of contact, help solving for a long time and using and skidding, the problem of wearing and tearing, difficult skidding, wearing and tearing, effectual improvement sealed effect, help increase of service life, use through protective coating's cooperation in first interior protective coating and the second, because protective coating all adopts flexible graphite layer in first interior protective coating and the second, help reducing coefficient of friction, its high temperature resistant effect is good simultaneously, further help prolonging its life.

Description

Sealing piece moving ring for mechanical seal

Technical Field

The utility model relates to a sealing member field specifically is a sealing member rotating ring for mechanical seal.

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 the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal. The mechanical seal mainly comprises a movable ring, a stationary ring, a cooling device and a compression spring. The seal is a material or a part that prevents fluid or solid particles from leaking from between adjacent bonding surfaces and prevents foreign substances such as dust and moisture from intruding into parts inside the machine equipment. The storage room temperature of the sealing element is preferably below 30 ℃, so that the sealing element is prevented from high-temperature aging, and the sealing element is widely applied to various equipment.

However, the structure of the traditional sealing element moving ring for mechanical sealing in the market is not optimized and the design is not reasonable enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing member rotating ring for mechanical seal to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a sealing member rotating ring for mechanical seal, includes the rotating ring body, the rotating ring body includes the base member, the outer wall integrated into one piece of base member is connected with the lug, be formed with first cavity between the top of lug and the outer wall of base member, be formed with the second cavity between the bottom of lug and the outer wall of base member, be provided with the metal transition layer on the outer wall of base member, be provided with outer protective coating on the outer wall of metal transition layer, the opening has been seted up at the top of base member, the inside of opening is provided with first interior protective coating, the tongue has been seted up to the bottom of base member, and tongue and opening intercommunication, the inside of tongue is provided with protective coating in the second.

As a further aspect of the present invention: the top of rotating ring body is the toroid and encircles and be equipped with a plurality of recesses, and one side and the opening intercommunication of recess, the bottom of recess is provided with the arc slope.

As a further aspect of the present invention: the first inner protective coating and the second inner protective coating are both flexible graphite layers.

As a further aspect of the present invention: the outer protective coating is a ceramic coating.

As a further aspect of the present invention: the shape of opening and tongue is circular, the diameter of tongue is greater than the diameter of opening.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model uses the through opening and the convex groove in a matching way, the diameter of the convex groove is larger than that of the through opening, which is helpful to improve the contact area, and is helpful to solve the problems of slipping and wearing for long time use, not easy to slip and wearing, effectively improving the sealing effect, and prolonging the service life, through the matching use of the first inner protective coating and the second inner protective coating, because the first inner protective coating and the second inner protective coating are both flexible graphite layers, which is helpful to reduce the friction coefficient, and simultaneously, the high temperature resistant effect is good, which is further helpful to prolong the service life, through the matching use of the outer protective coating and the metal transition layer, because the outer protective coating is a ceramic coating, the ceramic has good corrosion resistant and high temperature resistant effects, and simultaneously, the friction coefficient is low, and is further helpful to prolong the service life of the movable ring body, which is helpful to reduce the replacement times, through the matching use of the groove and the arc, the dynamic pressure effect is improved, the reliability is high, the structure is optimized, and the design is reasonable.

Drawings

Fig. 1 is a schematic structural view of a seal moving ring for mechanical seal.

Fig. 2 is a plan view of a seal rotating ring for mechanical seal.

In the figure: the movable ring comprises a movable ring body 1, a base body 2, a through opening 3, a first inner protective coating 4, a groove 5, an arc-shaped slope 6, an outer protective coating 7, a metal transition layer 8, a second inner protective coating 9, a convex groove 10, a first concave cavity 11, a convex block 12 and a second concave cavity 13.

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.

Referring to fig. 1-2, in an embodiment of the present invention, a seal moving ring for mechanical sealing includes a moving ring body 1, the moving ring body 1 includes a base body 2, an outer wall of the base body 2 is integrally connected with a bump 12, a first cavity 11 is formed between a top of the bump 12 and the outer wall of the base body 2, a second cavity 13 is formed between a bottom of the bump 12 and the outer wall of the base body 2, a metal transition layer 8 is disposed on the outer wall of the base body 2, an outer protective coating 7 is disposed on the outer wall of the metal transition layer 8, a through opening 3 is disposed at the top of the base body 2, a first inner protective coating 4 is disposed inside the through opening 3, a convex groove 10 is disposed at the bottom of the base body 2, the convex groove 10 is communicated with the through opening 3, a second inner protective coating 9 is disposed inside the convex groove 10, a plurality of grooves 5 are circumferentially disposed at the top of the moving ring body 1, and one side of the, the bottom of recess 5 is provided with arc slope 6, and protective coating 9 is flexible graphite layer in protective coating 4 and the second in first, and outer protective coating 7 is ceramic coating, and the shape of opening 3 and tongue 10 is circular, and the diameter of tongue 10 is greater than the diameter of opening 3.

The utility model discloses a theory of operation is:

during the use, because the diameter of tongue 10 is greater than the diameter of opening 3, help improving area of contact, help solving for a long time and use and skid, the problem of wearing and tearing, difficult skidding, wearing and tearing, the effectual sealed effect that has improved, help increase of service life, because protective coating 9 all adopts flexible graphite layer in first interior protective coating 4 and the second, help reducing coefficient of friction, its high temperature resistant effect is good simultaneously, further help prolonging its life, because outer protective coating 7 is ceramic coating, pottery has good corrosion-resistant and high temperature resistant effect, coefficient of friction is low simultaneously, further help prolonging the life of rotating ring body 1 again, help it to reduce the change number of times, use through the cooperation of recess 5 and arc slope 6, help improving the dynamic pressure effect, high reliability, its structure is more optimized, the design is more reasonable.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a mechanical seal is with sealing member rotating ring, includes rotating ring body (1), its characterized in that: the movable ring comprises a movable ring body (1) and is characterized in that the movable ring body (1) comprises a base body (2), the outer wall of the base body (2) is integrally connected with a convex block (12), a first concave cavity (11) is formed between the top of the convex block (12) and the outer wall of the base body (2), a second concave cavity (13) is formed between the bottom of the convex block (12) and the outer wall of the base body (2), a metal transition layer (8) is arranged on the outer wall of the base body (2), an outer protective coating (7) is arranged on the outer wall of the metal transition layer (8), a through opening (3) is formed in the top of the base body (2), a first inner protective coating (4) is arranged inside the through opening (3), a convex groove (10) is formed in the bottom of the base body (2), the convex groove (10) is communicated with the through opening (3), and a second inner protective coating (9) is.

2. The seal moving ring for a mechanical seal according to claim 1, wherein: the top of rotating ring body (1) is the circular ring and has been equipped with a plurality of recesses (5) around opening, and one side and opening (3) intercommunication of recess (5), the bottom of recess (5) is provided with arc slope (6).

3. The seal moving ring for a mechanical seal according to claim 1, wherein: the first inner protective coating (4) and the second inner protective coating (9) are both flexible graphite layers.

4. The seal moving ring for a mechanical seal according to claim 1, wherein: the outer protective coating (7) is a ceramic coating.

5. The seal moving ring for a mechanical seal according to claim 1, wherein: the shape of opening (3) and tongue (10) is circular, the diameter of tongue (10) is greater than the diameter of opening (3).