CN213575546U - Multi-spring double-end-face mechanical sealing structure - Google Patents

Multi-spring double-end-face mechanical sealing structure Download PDF

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Publication number
CN213575546U
CN213575546U CN202022468152.8U CN202022468152U CN213575546U CN 213575546 U CN213575546 U CN 213575546U CN 202022468152 U CN202022468152 U CN 202022468152U CN 213575546 U CN213575546 U CN 213575546U
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ring
spring
shaft sleeve
sealing
movable
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CN202022468152.8U
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Chinese (zh)
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张燕波
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Jiyuan Innovation Petrochemical Fitting Co ltd
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Jiyuan Innovation Petrochemical Fitting Co ltd
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Abstract

The utility model discloses a multi-spring double-end-face mechanical sealing structure, which comprises a shaft sleeve, a sealing shell, a connecting ring, a mounting ring, a casing and an adjusting mechanism; the surface of the shaft sleeve is sleeved with a sealing shell, and the surface of the left end side of the sealing shell is fixedly connected with a connecting ring; the left side of the connecting ring is pasted with an installation ring, and the inner wall of the installation ring is fixedly connected with a casing which is sleeved with the shaft sleeve; the adjusting mechanism comprises a static ring, a movable ring seat, a spring groove, a spring, a fixed ring and a movable ring, and the static ring is sleeved on the surface of the shaft sleeve in the sealed shell; a movable ring seat is attached to the left side of the static ring, and a spring groove is formed in the inner wall of the right side of the inner cavity of the movable ring seat; the left side of the movable ring seat is attached to a limiting ring fixed on the surface of the shaft sleeve; a spring is arranged in the spring groove, and the right end of the spring is attached with a fixing ring; the right side of the fixing ring is pasted with a moving ring. The multi-spring double-end-face mechanical sealing structure is simple in structure, novel in design and suitable for popularization and use.

Description

Multi-spring double-end-face mechanical sealing structure
Technical Field
The utility model relates to a mechanical seal structure specifically is a multi-spring double mechanical seal structure, belongs to mechanical seal structure application technical field.
Background
The mechanical seal is a device for preventing fluid leakage, which is formed by keeping fit and relative sliding of at least one pair of end faces perpendicular to the rotation axis 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 elastic loading mechanism and the auxiliary seal are mechanical seals of the metal corrugated pipe, 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.
There are a lot of problems in current seal structure for machinery when using, if some seal structure use the back performance for a long time and weaken, influence sealing performance, very big reduction overall effect causes the damage of sealing member and the revealing of the pump body easily, the worker of not being convenient for simultaneously dismantles the change, influences the use. Therefore, a multi-spring double-end-face mechanical sealing structure is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two terminal surface mechanical seal structure of multi-spring in order to solve above-mentioned problem.
The utility model realizes the purpose through the following technical proposal, a multi-spring double-end mechanical sealing structure, which comprises a shaft sleeve, a sealing shell, a connecting ring, a mounting ring, a casing, a fixing bolt and an adjusting mechanism; the surface of the shaft sleeve is sleeved with a sealing shell, and the surface of the left end side of the sealing shell is fixedly connected with a connecting ring; the left side of the connecting ring is pasted with an installation ring, and the inner wall of the installation ring is fixedly connected with a casing which is sleeved with the shaft sleeve;
the adjusting mechanism comprises a static ring, a movable ring seat, a spring groove, a spring, a fixed ring and a movable ring, and the static ring is sleeved on the surface of the shaft sleeve in the sealed shell; a movable ring seat is attached to the left side of the static ring, and a spring groove is formed in the inner wall of the right side of the inner cavity of the movable ring seat; the left side of the movable ring seat is attached to a limiting ring fixed on the surface of the shaft sleeve; a spring is arranged in the spring groove, and the right end of the spring is attached with a fixing ring; the right side of the fixing ring is pasted with a moving ring.
Preferably, the ends of the fixing bolts penetrate through the mounting ring and are in threaded connection with the side surface of the connecting ring.
Preferably, the number of the springs is several, and the springs are annularly distributed on the surface of the shaft sleeve.
Preferably, the number of the spring grooves is equal to that of the springs, and the spring grooves are uniformly distributed in the movable ring seat.
Preferably, the casing is equipped with the gasket with sealed shell junction, and the gasket block is connected in sealed shell left end.
Preferably, a sealing ring is arranged between the fixed ring and the movable ring, and the sealing ring is clamped and connected to the left side of the movable ring.
The utility model has the advantages that:
1. this kind of two terminal surface mechanical seal structure of multi-spring simple structure, modern design, the long-time use of guarantee seal structure is put forward to a plurality of springs of setting, improves mechanical seal structure's life, improves the whole effect of seal structure, and the mechanical seal structure of being convenient for uses.
2. Make things convenient for the worker to carry out the dismouting with regard to the structure to sealed, the change of the seal structure inner structure of being convenient for improves worker's work efficiency, satisfies worker's user demand, and the practicality value is higher, is fit for using widely.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the left side connection structure of the sealing case of the present invention;
fig. 3 is a schematic view of the connection structure of the movable ring seat and the spring slot of the present invention.
In the figure: 1. shaft sleeve, 2, spacing ring, 3, seal housing, 4, stationary ring, 5, rotating ring, 6, sealing washer, 7, spring, 8, rotating ring seat, 801, spring groove, 9, fixed ring, 10, gasket, 11, go-between, 12, collar, 13, fixing bolt, 14, cover shell.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-3, a multi-spring double-end-face mechanical seal structure includes a shaft sleeve 1, a seal housing 3, a connecting ring 11, a mounting ring 12, a housing 14, a fixing bolt 13 and an adjusting mechanism; the surface of the shaft sleeve 1 is sleeved with a sealing shell 3, and the surface of the left end side of the sealing shell 3 is fixedly connected with a connecting ring 11; a mounting ring 12 is attached to the left side of the connecting ring 11, and a sleeve shell 14 sleeved with the shaft sleeve 1 is fixedly connected to the inner wall of the mounting ring 12;
the adjusting mechanism comprises a static ring 4, a movable ring seat 8, a spring groove 801, a spring 7, a fixed ring 9 and a movable ring 5, and the static ring 4 is sleeved on the surface of the shaft sleeve 1 in the sealing shell 3; a movable ring seat 8 is attached to the left side of the static ring 4, and a spring groove 801 is formed in the inner wall of the right side of the inner cavity of the movable ring seat 8; the left side of the movable ring seat 8 is attached to the limiting ring 2 fixed on the surface of the shaft sleeve 1; a spring 7 is arranged in the spring groove 801, and a fixing ring 9 is attached to the right end of the spring 7; the right side of the fixed ring 9 is pasted with a movable ring 5.
The tail end of the fixing bolt 13 penetrates through the mounting ring 12 and is in threaded connection with the side surface of the connecting ring 11, so that the mounting ring 12 and the connecting ring 11 can be fixedly connected conveniently; the number of the springs 7 is a plurality, and the springs 7 are annularly distributed on the surface of the shaft sleeve 1, so that the overall elastic performance of the mechanical sealing structure is improved; the number of the spring grooves 801 is equal to that of the springs 7, and the spring grooves 801 are uniformly distributed in the movable ring seat 8, so that the springs 7 are placed compactly and are convenient to use; a gasket 10 is arranged at the joint of the casing 14 and the sealing shell 3, and the gasket 10 is clamped and connected in the left end of the sealing shell 3, so that the operation and the use are convenient; and a sealing ring 6 is arranged between the fixed ring 9 and the movable ring 5, and the sealing ring 6 is clamped and connected on the left side of the movable ring 5, so that the sealing effect is improved.
The utility model discloses when using, place quiet ring 4 in 3 inner chambers of seal housing, make quiet ring 4 inseparable with 3 inner chamber right sides inner walls of seal housing, place spring 7 in proper order in the spring groove 801 that set up on rotating ring seat 8 surfaces, place solid fixed ring 9 in 8 inner chambers of rotating ring seat, then in 5 left side surfaces with sealing washer 6 block, place rotating ring 5 in 8 right-hand members of rotating ring seat, make rotating ring 5 closely laminate with solid fixed ring 9, then under the cooperation through axle sleeve 1, place rotating ring seat 8 after the installation in seal housing 3, make rotating ring 5 laminate with quiet ring 4, and then accomplish seal structure's installation, and convenient to use, then carry out fixed mounting through fixing bolt 13, and the operation of being convenient for.
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 departing from the spirit or essential 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.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a multi-spring double mechanical seal structure which characterized in that: the sealing device comprises a shaft sleeve (1), a sealing shell (3), a connecting ring (11), a mounting ring (12), a casing (14), a fixing bolt (13) and an adjusting mechanism; the surface of the shaft sleeve (1) is sleeved with a sealing shell (3), and the surface of the left end side of the sealing shell (3) is fixedly connected with a connecting ring (11); a mounting ring (12) is attached to the left side of the connecting ring (11), and a sleeve shell (14) sleeved with the shaft sleeve (1) is fixedly connected to the inner wall of the mounting ring (12); the adjusting mechanism comprises a static ring (4), a movable ring seat (8), a spring groove (801), a spring (7), a fixed ring (9) and a movable ring (5), and the static ring (4) is sleeved on the surface of the shaft sleeve (1) in the sealed shell (3); a movable ring seat (8) is attached to the left side of the static ring (4), and a spring groove (801) is formed in the inner wall of the right side of the inner cavity of the movable ring seat (8); the left side of the movable ring seat (8) is attached to a limiting ring (2) fixed on the surface of the shaft sleeve (1); a spring (7) is arranged in the spring groove (801), and a fixing ring (9) is attached to the right end of the spring (7); the right side of the fixed ring (9) is pasted with a movable ring (5).
2. A multi-spring double mechanical seal according to claim 1, wherein: the tail end of the fixing bolt (13) penetrates through the mounting ring (12) and is in threaded connection with the side surface of the connecting ring (11).
3. A multi-spring double mechanical seal according to claim 1, wherein: the number of the springs (7) is a plurality, and the springs (7) are annularly distributed on the surface of the shaft sleeve (1).
4. A multi-spring double mechanical seal according to claim 1, wherein: the number of the spring grooves (801) is equal to that of the springs (7), and the spring grooves (801) are uniformly distributed in the movable ring seat (8).
5. A multi-spring double mechanical seal according to claim 1, wherein: the joint of the casing (14) and the sealing shell (3) is provided with a gasket (10), and the gasket (10) is clamped and connected in the left end of the sealing shell (3).
6. A multi-spring double mechanical seal according to claim 1, wherein: and a sealing ring (6) is arranged between the fixing ring (9) and the moving ring (5), and the sealing ring (6) is clamped and connected to the left side of the moving ring (5).
CN202022468152.8U 2020-10-30 2020-10-30 Multi-spring double-end-face mechanical sealing structure Active CN213575546U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022468152.8U CN213575546U (en) 2020-10-30 2020-10-30 Multi-spring double-end-face mechanical sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022468152.8U CN213575546U (en) 2020-10-30 2020-10-30 Multi-spring double-end-face mechanical sealing structure

Publications (1)

Publication Number Publication Date
CN213575546U true CN213575546U (en) 2021-06-29

Family

ID=76531410

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022468152.8U Active CN213575546U (en) 2020-10-30 2020-10-30 Multi-spring double-end-face mechanical sealing structure

Country Status (1)

Country Link
CN (1) CN213575546U (en)

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