CN218031411U

CN218031411U - Double-end-face mechanical sealing element

Info

Publication number: CN218031411U
Application number: CN202220614507.6U
Authority: CN
Inventors: 胡胜祥; 孙欢欢; 赵广珍
Original assignee: Zhenjiang Lianchuang Machinery Parts Co ltd
Current assignee: Zhenjiang Lianchuang Machinery Parts Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-12-13
Anticipated expiration: 2032-03-21

Abstract

The utility model provides a bi-polar face mechanical seal spare, including sealing barrel, with the two-way base and the sealed sleeve bucket at the sealed barrel inside wall center of fixed mounting, the inside both ends of two-way base are all fixed cup jointed quiet ring, quiet ring is kept away from the both ends of two-way base are provided with the rotating ring, the rotating ring is kept away from one side joint of quiet ring has the rotating ring to seal up, the rotating ring is sealed to seal up keeps away from the sealed one side of rotating ring is provided with fixed plate, spring and rotating ring seat respectively, just the spring is fixed the inside of rotating ring seat, the fixed plate with the rotating ring is the joint respectively the inside bottom of rotating ring seat, through the quiet ring of the solid joint in sealing barrel inner wall both ends under the effect of spring force, sticiss on the rotating ring, when the rotating ring, forms the very thin liquid film of one deck between rotating ring and quiet ring both ends for play the effect of balanced pressure and lubricated terminal surface, realize sealing up machinery, improve sealed work efficiency.

Description

Double-end-face mechanical sealing element

Technical Field

The utility model relates to a mechanical seal technical field, in particular to double mechanical seal spare.

Background

The mechanical sealing element is one of the precise and complicated mechanical basic elements, and is the key part of various pumps, reaction synthesizing reactor, turbine compressor, submersible motor and other equipment. The auxiliary seal of the compensation ring is a metal corrugated pipe called as a corrugated pipe mechanical seal;

the end faces of the movable ring and the static ring are mutually attached to form a movable seal capable of sliding relatively, the movable seal is a main seal in a mechanical seal device and is also a key for determining the mechanical seal performance and the service life, most of the existing mechanical seal is single-end face, a stable lubricating liquid film is not easy to form in the using process, the end faces are abraded too fast, damage is caused, and the working efficiency is influenced, so that the double-end-face mechanical seal is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a double mechanical seal to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice.

The utility model discloses technical scheme is so realized: the utility model provides a double-ended mechanical seal spare, including sealed barrel, with fixed mounting be in the two-way base and the sealed sleeve bucket at sealed barrel inside wall center, the fixed cup joint in the inside both ends of two-way base has quiet ring, quiet ring is kept away from the both ends of two-way base are provided with the rotating ring, the rotating ring is kept away from one side joint of quiet ring has the sealed pad of rotating ring, the sealed pad of rotating ring is kept away from one side that the sealed pad of rotating ring is provided with fixed plate, spring and rotating ring seat respectively, just the spring is fixed the inside of rotating ring seat, the fixed plate with the rotating ring joint respectively is in the inside bottom of rotating ring seat, the rotating ring is located the below of fixed plate, the top joint of rotating ring seat has the axle sleeve, the both ends of sealed barrel are provided with the gasket.

Preferably: a plurality of draw-in grooves have been seted up to the bottom of axle sleeve, and is a plurality of the degree of depth of draw-in groove is 2cm, the top fixed mounting of rotating ring seat has a plurality of fixture blocks, and is a plurality of the length of fixture block is 2cm, and is a plurality of fixture block and a plurality of fixed joint between the draw-in groove, the both ends of two-way base all are provided with a plurality of fixed blocks, and are a plurality of the length of fixed block is 2cm, a plurality of recess has all been seted up to one side of quiet ring, and is a plurality of the degree of depth of recess is 2cm, and is a plurality of recess and a plurality of fixed joint between the fixed block.

Preferably, the following components: equal fixed mounting has a plurality of first circular solid fixed rings on the outer wall of sealed barrel, and is a plurality of equal fixed mounting has a plurality of first thread plates on first circular solid fixed ring's the outer wall, equal fixed mounting has a plurality of second circular solid fixed rings on the outer wall of sealed sleeve bucket, and is a plurality of equal fixed mounting has a plurality of second thread plates on the circular solid fixed ring's of second outer wall, the internal thread of second thread plate is connected with the nut, the nut with thread fixed connection between the second thread plate.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

the utility model discloses a quiet ring of the solid joint in sealed barrel inner wall both ends is under the effect of spring force, sticiss on the rotating ring, and when the rotating ring rotated, the rotating ring formed the very thin liquid film of one deck with quiet ring two annulars for play the effect of balanced pressure and lubricated terminal surface, realize carrying out the bi-polar to machinery and seal, improve sealed work efficiency.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and the following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a view of the overall structure of the present invention;

FIG. 2 is a cross-sectional structural view of the sealing cylinder of the present invention;

FIG. 3 is a three-dimensional structure view of the sealing sleeve of the present invention;

fig. 4 is a partial three-dimensional structure diagram of the present invention.

Reference numerals: 1. sealing the cylinder body; 2. a bi-directional base; 3. a stationary ring; 4. a moving ring; 5. a moving ring seal gasket; 6. a fixing plate; 7. a spring; 8. a movable ring seat; 9. a shaft sleeve; 10. a clamping block; 11. a card slot; 12. a first circular retaining ring; 13. a first thread plate; 14. sealing the sleeve barrel; 15. a second circular retaining ring; 16. a second thread plate; 17. a nut; 18. and (7) a gasket.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-4, the embodiment of the present invention provides a double-end-face mechanical sealing element, including a sealing cylinder 1, a bidirectional base 2 and a sealing sleeve barrel 14 fixedly installed at the center of the inner side wall of the sealing cylinder 1, a stationary ring 3 is fixedly sleeved at both ends of the inside of the bidirectional base 2, a movable ring 4 is disposed at both ends of the stationary ring 3 away from the bidirectional base 2, a movable ring gasket 5 is clamped at one side of the movable ring 4 away from the stationary ring 3, a fixed plate 6, a spring 7 and a movable ring seat 8 are respectively disposed at one side of the movable ring gasket 5 away from the movable ring gasket 5, the spring 7 is fixed inside the movable ring seat 8, the fixed plate 6 and the movable ring 4 are respectively clamped at the bottom end inside the movable ring seat 8, the movable ring 4 is located below the fixed plate 6, a shaft sleeve 9 is clamped at the top end of the movable ring seat 8, and gaskets 18 are disposed at both ends of the sealing cylinder 1; the stationary ring 3 fixedly clamped at two ends of the inner wall of the sealing barrel body 1 is tightly pressed on the movable ring 4 under the action of the spring 7, and when the movable ring 4 rotates, a thin liquid film is formed between the movable ring 4 and the stationary ring 3, so that the effects of pressure balance and end surface lubrication are achieved, and the sealing effect is achieved.

In this embodiment, specifically: the bottom end of the shaft sleeve 9 is provided with a plurality of clamping grooves 11, the depth of the clamping grooves 11 is 2cm, a plurality of clamping blocks 10 are fixedly installed at the top of the movable ring seat 8, the length of the clamping blocks 10 is 2cm, and the clamping blocks 10 are fixedly clamped with the clamping grooves 11; the movable ring seat 8 and the shaft sleeve 9 are fixedly clamped by inserting the clamping blocks 10 into the clamping grooves 11.

In this embodiment, specifically: a plurality of fixing blocks are arranged at two ends of the bidirectional base 2, the length of each fixing block is 2cm, a plurality of grooves are formed in one side of the stationary ring 3, the depth of each groove is 2cm, and the grooves are fixedly clamped with the fixing blocks; insert fixedly soon through the recess, realize fixing the joint to quiet ring 3.

In this embodiment, specifically: the outer wall of the sealing cylinder body 1 is fixedly provided with a plurality of first circular fixing rings 12, the outer walls of the first circular fixing rings 12 are fixedly provided with a plurality of first thread plates 13, the outer wall of the sealing sleeve barrel 14 is fixedly provided with a plurality of second circular fixing rings 15, the outer walls of the second circular fixing rings 15 are fixedly provided with a plurality of second thread plates 16, the inner threads of the second thread plates 16 are connected with nuts 17, and the nuts 17 are fixedly connected with the second thread plates 16 through threads; through aligning the sealed barrel casing 14 with the sealed barrel 1, make first threading board 13 and second threading board 16 adjust the symmetry to with nut 17 manual rotation in first threading board 13 and second threading board 16, be used for installing fixedly sealed barrel casing 14 and sealed barrel 1, realize carrying out fixed mounting to the inside part of sealed barrel 1.

The utility model discloses at the during operation: the static ring 3 fixedly clamped at two ends of the inner wall of the sealing cylinder body 1 is tightly pressed on the dynamic ring 4 under the action of the spring 7, and when the dynamic ring 4 rotates, a thin liquid film is formed between the dynamic ring 4 and the static ring 3 to play a role in balancing pressure and lubricating an end face, so that a sealing effect is realized;

insert in draw-in groove 11 through a plurality of fixture blocks 10, the rotating ring seat 8 and the axle sleeve 9 of realization carry out fixed joint, insert fixedly soon through the recess, realize fixing the joint to quiet ring 3, through aligning sealed barrel casing 14 with sealed barrel 1, make first thread board 13 and second thread board 16 adjust the symmetry, and with nut 17 manual rotation to first thread board 13 and second thread board 16 in, be used for installing fixedly sealed barrel casing 14 and sealed barrel 1, the realization carries out fixed mounting to the part of sealed barrel 1 inside.

The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a double mechanical seal, including sealed barrel (1), with fixed mounting two-way base (2) and sealed sleeve bucket (14) at sealed barrel (1) inside wall center, its characterized in that: the two ends of the interior of the bidirectional base (2) are fixedly sleeved with static rings (3), the two ends, far away from the bidirectional base (2), of the static rings (3) are provided with dynamic rings (4), and one sides, far away from the static rings (3), of the dynamic rings (4) are clamped with dynamic ring sealing gaskets (5);

a fixed plate (6), a spring (7) and a moving ring seat (8) are respectively arranged on one side, away from the moving ring sealing gasket (5), of the moving ring sealing gasket (5), the spring (7) is fixed inside the moving ring seat (8), the fixed plate (6) and the moving ring (4) are respectively clamped at the bottom end inside the moving ring seat (8), the moving ring (4) is located below the fixed plate (6), and a shaft sleeve (9) is clamped at the top end of the moving ring seat (8);

gaskets (18) are arranged at two ends of the sealing cylinder body (1).

2. A double mechanical seal according to claim 1, wherein: a plurality of draw-in grooves (11) have been seted up to the bottom of axle sleeve (9), and is a plurality of the degree of depth of draw-in groove (11) is 2cm.

3. A double mechanical seal according to claim 2, wherein: the top fixed mounting of rotating ring seat (8) has a plurality of fixture blocks (10), and is a plurality of the length of fixture block (10) is 2cm, and is a plurality of fixture block (10) and a plurality of fixed joint between draw-in groove (11).

4. A double mechanical seal according to claim 1, wherein: the two ends of the bidirectional base (2) are provided with a plurality of fixing blocks, and the fixing blocks are 2cm long.

5. A double mechanical seal according to claim 4, wherein: a plurality of recesses have all been seted up to one side of quiet ring (3), and is a plurality of the degree of depth of recess is 2cm, and is a plurality of the recess is with a plurality of fixed joint between the fixed block.

6. A double mechanical seal according to claim 1, wherein: the sealing barrel is characterized in that a plurality of first circular fixing rings (12) are fixedly mounted on the outer wall of the sealing barrel body (1) respectively, and a plurality of first thread plates (13) are fixedly mounted on the outer wall of the first circular fixing rings (12) respectively.

7. A double mechanical seal according to claim 6, wherein: the outer wall of the sealing sleeve barrel (14) is fixedly provided with a plurality of second circular fixing rings (15), and the outer wall of each second circular fixing ring (15) is fixedly provided with a plurality of second thread plates (16).

8. A double mechanical seal according to claim 7, wherein: the inner thread of the second thread plate (16) is connected with a nut (17), and the nut (17) is fixedly connected with the second thread plate (16) through threads.