CN216843113U - Horizontal axial float mechanical seal - Google Patents
Horizontal axial float mechanical seal Download PDFInfo
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- CN216843113U CN216843113U CN202123444852.4U CN202123444852U CN216843113U CN 216843113 U CN216843113 U CN 216843113U CN 202123444852 U CN202123444852 U CN 202123444852U CN 216843113 U CN216843113 U CN 216843113U
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Abstract
The utility model discloses a horizontal axial float mechanical seal, which comprises a shaft sleeve, a first static ring, a second static ring and a dynamic ring; the shaft sleeve is fixedly sleeved on the rotating shaft, a first static ring seat, a sealing sleeve and a second static ring seat are sleeved on the shaft sleeve, the first static ring seat, the sealing sleeve and the second static ring seat are sequentially arranged from left to right, the sealing sleeve is fixed on the right side of the first static ring seat through a bolt, and the left end of the second static ring seat is abutted to the sealing sleeve; a first stationary ring is arranged on the inner side of the first stationary ring seat; a second stationary ring is arranged on the inner side of the second stationary ring seat; the middle part of the shaft sleeve is sleeved with a movable ring seat; when the utility model is used, the spring is used for generating pressing force, keeping the end faces of the movable ring and the static ring in close contact, and simultaneously playing a role of buffering and compensating the insufficient fit of the end faces caused by the axial movement of the rotating shaft; the service life of the mechanical sealing device is prolonged.
Description
Technical Field
The utility model relates to a mechanical seal specifically is horizontal axial float mechanical seal.
Background
The mechanical seal is a shaft seal device of a rotating machine. Such as centrifugal pumps, centrifuges, reaction kettles, compressors, and the like. 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. The shaft seal has many kinds, and the mechanical seal has the advantages of small leakage amount, long service life and the like, so the mechanical seal is the most important shaft sealing mode in the devices in the world.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a horizontal axial float 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 horizontal axial float mechanical seal comprises a shaft sleeve, a first static ring, a second static ring and a dynamic ring; the shaft sleeve is fixedly sleeved on the rotating shaft, a first static ring seat, a sealing sleeve and a second static ring seat are sleeved on the shaft sleeve, the first static ring seat, the sealing sleeve and the second static ring seat are sequentially arranged from left to right, the sealing sleeve is fixed on the right side of the first static ring seat through a bolt, and the left end of the second static ring seat is abutted to the sealing sleeve; a first stationary ring is arranged on the inner side of the first stationary ring seat; a second stationary ring is arranged on the inner side of the second stationary ring seat; the middle of the shaft sleeve is sleeved with a movable ring seat, the movable ring seat is fixed with the shaft sleeve through a screw, a plurality of spring mounting holes are formed in the movable ring seat in an array mode, springs are mounted in the spring mounting holes, the left side and the right side of the movable ring seat are respectively provided with two movable rings, two ends of each spring are respectively abutted to the two movable rings, and the two movable rings are respectively abutted to the first stationary ring and the second stationary ring.
Furthermore, a first O-shaped ring is arranged between the first static ring seat and the sealing sleeve, and a second O-shaped ring is arranged between the sealing sleeve and the second static ring seat.
Furthermore, a third O-shaped ring is arranged between the first static ring seat and the first static ring.
Furthermore, a first abutting ring is fixedly arranged at the left end of the first stationary ring seat, and the first abutting ring and the first stationary ring are fixed through a first positioning pin; and meanwhile, a second abutting ring is further fixed between the first static ring seat and the sealing sleeve and abuts against the right end of the first static ring.
Furthermore, a fourth O-shaped ring is arranged between the second static ring seat and the second static ring, and the second static ring seat are fixed through a second positioning pin.
Furthermore, a fifth O-shaped ring is arranged between the movable ring and the shaft sleeve.
Furthermore, at least two first flushing holes are formed in the first stationary ring seat; at least two second flushing holes are formed in the sealing sleeve, and a third flushing hole is formed in the second stationary ring seat.
Compared with the prior art, the beneficial effects of the utility model are that: when the utility model is used, the spring is used for generating pressing force, keeping the end faces of the movable ring and the static ring in close contact, and simultaneously playing a role of buffering and compensating the insufficient fit of the end faces caused by the axial movement of the rotating shaft; the service life of the mechanical sealing device is prolonged.
Drawings
FIG. 1 is a schematic structural view of a horizontal axial float mechanical seal.
FIG. 2 is a schematic structural view of the horizontal axial play mechanical seal at A.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.
Referring to fig. 1-2, the horizontal axial float mechanical seal includes a shaft sleeve 1, a first stationary ring 8, a second stationary ring 14 and a moving ring 20; the shaft sleeve 1 is fixedly sleeved on the rotating shaft 2, the shaft sleeve 1 is sleeved with a first static ring seat 3, a sealing sleeve 4 and a second static ring seat 5, the first static ring seat 3, the sealing sleeve 4 and the second static ring seat 5 are sequentially arranged from left to right, the sealing sleeve 4 is fixed on the right side of the first static ring seat 3 through bolts, and the left end of the second static ring seat 5 is abutted against the sealing sleeve 4; a first stationary ring 8 is arranged on the inner side of the first stationary ring seat 3; a second stationary ring 14 is arranged on the inner side of the second stationary ring seat 5; the middle of the shaft sleeve 1 is sleeved with a movable ring seat 17, the movable ring seat 17 is fixed with the shaft sleeve 1 through a screw, a plurality of spring mounting holes 18 are formed in the movable ring seat 17 in an array mode, springs 19 are mounted in the spring mounting holes 18, two movable rings 20 are arranged on the left side and the right side of the movable ring seat 17 respectively, two ends of each spring 19 are abutted to the two movable rings 20 respectively, and the two movable rings 20 are abutted to the first stationary ring 8 and the second stationary ring 14 respectively;
further, a first O-shaped ring 6 is arranged between the first static ring seat 3 and the sealing sleeve 4, and a second O-shaped ring 7 is arranged between the sealing sleeve 4 and the second static ring seat 5;
further, a third O-ring 9 is arranged between the first stationary ring seat 3 and the first stationary ring 8;
further, a first abutting ring 10 is fixedly arranged at the left end of the first stationary ring seat 3, and the first abutting ring 10 and the first stationary ring 8 are fixed through a first positioning pin 11; meanwhile, a second abutting ring 12 is fixed between the first stationary ring seat 3 and the sealing sleeve 4, and the second abutting ring 12 abuts against the right end of the first stationary ring 8;
further, a fourth O-ring 15 is arranged between the second stationary ring seat 5 and the second stationary ring 14, and the second stationary ring 14 and the second stationary ring seat 5 are fixed by a second positioning pin 16;
further, a fifth O-shaped ring 21 is arranged between the movable ring 20 and the shaft sleeve 1;
further, at least two first flushing holes 13 are formed in the first stationary ring seat 3; the sealing sleeve 4 is provided with at least two second flushing holes 22, and the second stationary ring seat 5 is provided with a third flushing hole 23;
when the utility model is operated, the flushing fluid discharges heat and impurities from the flushing hole through the inner cavity from the other flushing outlet;
when the utility model is used, the spring is used for generating pressing force, keeping the end faces of the movable ring and the static ring in close contact, and simultaneously playing a role of buffering and compensating the insufficient fit of the end faces caused by the axial movement of the rotating shaft; the service life of the mechanical sealing device is prolonged.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the designated devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Claims (7)
1. The horizontal axial float mechanical seal comprises a shaft sleeve, a first static ring, a second static ring and a dynamic ring; the device is characterized in that the shaft sleeve is fixedly sleeved on the rotating shaft, a first static ring seat, a sealing sleeve and a second static ring seat are sleeved on the shaft sleeve, the first static ring seat, the sealing sleeve and the second static ring seat are sequentially arranged from left to right, the sealing sleeve is fixed on the right side of the first static ring seat through bolts, and the left end of the second static ring seat is abutted to the sealing sleeve; a first stationary ring is arranged on the inner side of the first stationary ring seat; a second stationary ring is arranged on the inner side of the second stationary ring seat; the middle of the shaft sleeve is sleeved with a movable ring seat, the movable ring seat is fixed with the shaft sleeve through a screw, a plurality of spring mounting holes are formed in the movable ring seat in an array mode, springs are mounted in the spring mounting holes, the left side and the right side of the movable ring seat are respectively provided with two movable rings, two ends of each spring are respectively abutted to the two movable rings, and the two movable rings are respectively abutted to the first stationary ring and the second stationary ring.
2. The horizontal axial float mechanical seal according to claim 1, wherein a first O-ring is provided between the first stationary ring seat and the sealing sleeve, and a second O-ring is provided between the sealing sleeve and the second stationary ring seat.
3. The horizontal axial float mechanical seal according to claim 1 wherein a third O-ring is disposed between the first stationary ring seat and the first stationary ring.
4. The horizontal axial float mechanical seal according to claim 1, wherein a first abutting ring is fixed at the left end of the first stationary ring seat, and the first abutting ring and the first stationary ring are fixed through a first positioning pin; and a second abutting ring is fixed between the first stationary ring seat and the sealing sleeve and abuts against the right end of the first stationary ring.
5. The horizontal axial float mechanical seal according to claim 1, wherein a fourth O-ring is disposed between the second stationary ring seat and the second stationary ring, and the second stationary ring seat are fixed by a second positioning pin.
6. The horizontal axial float mechanical seal according to claim 1 wherein a fifth O-ring is provided between the rotating ring and the sleeve.
7. The horizontal axial float mechanical seal according to claim 1, wherein said first stationary ring seat is provided with at least two first flushing holes; at least two second flushing holes are formed in the sealing sleeve, and a third flushing hole is formed in the second stationary ring seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444852.4U CN216843113U (en) | 2021-12-28 | 2021-12-28 | Horizontal axial float mechanical seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444852.4U CN216843113U (en) | 2021-12-28 | 2021-12-28 | Horizontal axial float mechanical seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216843113U true CN216843113U (en) | 2022-06-28 |
Family
ID=82114881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123444852.4U Active CN216843113U (en) | 2021-12-28 | 2021-12-28 | Horizontal axial float mechanical seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216843113U (en) |
-
2021
- 2021-12-28 CN CN202123444852.4U patent/CN216843113U/en active Active
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