CN214789051U - Mechanical seal for centrifuge - Google Patents
Mechanical seal for centrifuge Download PDFInfo
- Publication number
- CN214789051U CN214789051U CN202120623157.5U CN202120623157U CN214789051U CN 214789051 U CN214789051 U CN 214789051U CN 202120623157 U CN202120623157 U CN 202120623157U CN 214789051 U CN214789051 U CN 214789051U
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- mechanical seal
- static ring
- ring
- centrifuge
- flange seat
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Abstract
The utility model provides a mechanical seal for centrifuge, establish axle sleeve, flange seat and the bearing in transmission pivot periphery including transmission pivot, from top to bottom in proper order cover: and a composite mechanical sealing assembly is arranged between the shaft sleeve and the flange seat, the composite mechanical sealing assembly comprises a moving ring, an inner static ring and an outer static ring, and the outer end surface of the composite mechanical sealing assembly forms a smooth curved surface. The utility model relates to a mechanical seal for centrifuge, this mechanical seal adopt radial two terminal surface mechanical seal, and this sealing mode makes the sealing ring account for the shorter axial length of utensil transmission pivot, makes it realize better sealed effect with littleer axial dimension.
Description
Technical Field
The utility model relates to a mechanical seal for centrifuge belongs to mechanical seal technical field.
Background
Because the rapid development of industrial production mode, the reation kettle usage is very extensive, and the transmission pivot among the reation kettle runs through the inside and outside setting of equipment usually on reation kettle, consequently, can have a circumference clearance between this transmission pivot and the reation kettle equipment, especially at the reation kettle during operation, material medium etc. in the reation kettle equipment outwards leak through this clearance, cause the extravagant or industrial accident of unnecessary, consequently, the utility model relates to a mechanical seal both can guarantee between transmission pivot and the reation kettle equipment leakproofness, can guarantee again that the transmission pivot rotates the in-process and have sufficient lubrication, and be difficult for making the material pile near mechanical seal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mechanical seal for centrifuge to solve the problem of proposing among the above-mentioned background art.
In order to achieve the above object, the present invention is achieved by the following technical solutions, including:
the utility model provides a mechanical seal for centrifuge, includes the transmission pivot, overlaps in proper order from top to bottom and establishes axle sleeve, flange seat and the bearing in transmission pivot periphery: and a composite mechanical sealing assembly is arranged between the shaft sleeve and the flange seat, the composite mechanical sealing assembly comprises a moving ring, an inner static ring and an outer static ring, and the outer end surface of the composite mechanical sealing assembly forms a smooth curved surface.
Preferably, the shaft sleeve is fixedly connected with the transmission rotating shaft through a bolt, the shaft sleeve comprises an extension part, the lower end face of the extension part extends to the lower surface of the flange seat, and a movable ring in the composite mechanical seal assembly is fixedly connected with the shaft sleeve.
Preferably, the shaft sleeve is provided with 1 to 5 fixing cavities on the circumferential surface attached to the transmission rotating shaft, and sealing rubber gaskets are embedded in the fixing cavities.
Preferably, the inner stationary ring and the outer stationary ring are sleeved on the transmission rotating shaft in parallel, and the inner stationary ring and the outer stationary ring are fixed on the flange seat through bolts.
Preferably, a spring cavity is formed in the flange seat, springs are connected between the inner static ring and the outer static ring and between the inner static ring and the flange seat, and the springs are fixed in the spring cavity.
Preferably, elastic washers are arranged between the inner static ring and the spring and between the outer static ring and the spring.
Preferably, a water outlet pipe is arranged between the inner static ring and the outer static ring, and the upper end surface of the water outlet pipe is higher than the upper surfaces of the inner static ring and the outer static ring.
Preferably, the shaft sleeve is provided with a cooling cavity at a position close to the movable ring, the shaft sleeve is provided with a liquid inlet channel, the liquid inlet channel is communicated with the cooling cavity, the end part of the liquid inlet channel is embedded with a sealing plug, a temperature conducting cavity is arranged in the shaft sleeve and is arranged between the cooling cavity and the movable ring, and the temperature conducting cavity is filled with a temperature conducting material.
Preferably, a baffle is fixed at the end part of the flange seat close to the extending part, and the extending part and the baffle, and the communicated gaps between the baffle and the flange seat form a collecting well.
Preferably, a solution channel is horizontally arranged in the flange seat.
The utility model has the advantages that:
(1) the utility model relates to a mechanical seal for centrifuge, this mechanical seal adopt radial two terminal surface mechanical seal, and this sealing mode makes the sealing ring account for the shorter axial length of utensil transmission pivot, makes it realize better sealed effect with littleer axial dimension.
(2) The utility model relates to a mechanical seal for centrifuge, this mechanical seal relates to compound mechanical seal subassembly, this compound mechanical seal subassembly includes the rotating ring, interior quiet ring and outer quiet ring, wherein the outer terminal surface of rotating ring and interior quiet ring can contact the material in the reation kettle, and when the two outer terminal surface has the same diameter, the outer terminal surface of rotating ring and interior quiet ring can form a smooth curved surface, can avoid piling up of material, prevent that the material from entering into mechanical seal inside by both gaps, prevent that the material from piling up the use that influences mechanical seal.
(3) The utility model relates to a mechanical seal for centrifuge, this mechanical seal can be collected the sealed liquid of inboard sealed face trace seepage to deriving equipment again in collecting the well including collecting well and solution passageway, prevents that sealed liquid from getting into the bearing, improves mechanical seal's result of use.
(4) The utility model relates to a mechanical seal for centrifuge, this mechanical seal including offering including quiet ring and the outer outlet pipe between quiet ring, the upper surface of this outlet pipe is higher than the terminal surface of interior quiet ring and outer quiet ring, can effectually play the effect of stop pin simultaneously with gas outgoing, avoids its emergence axle rotation phenomenon.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic view of the overall structure of the mechanical seal of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;
fig. 3 is a partially enlarged view of the point B in fig. 1 according to the present invention.
In the figure: the device comprises a transmission rotating shaft 1, a shaft sleeve 2, a flange seat 3, a bearing 4, a movable ring 5, a static ring in 6, a static ring outside 7, an extension part 8, a spring cavity 9, a spring 10, a water outlet pipe 11, a baffle 12, a collecting well 13, a solution channel 14, a fixed cavity 15, a sealing rubber gasket 16, an elastic gasket 17, a cooling cavity 18, a liquid inlet channel 19, a sealing plug 20 and a temperature conducting cavity 21.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Example 1
As shown in fig. 1 to 3, a mechanical seal for centrifuge, includes transmission pivot 1, from top to bottom overlaps in proper order and establishes axle sleeve 2, flange seat 3 and bearing 4 in transmission pivot 1 periphery: a composite mechanical sealing assembly is arranged between the shaft sleeve 2 and the flange seat 3 and comprises a moving ring 5, an inner static ring 6 and an outer static ring 7, and the outer end face of the composite mechanical sealing assembly forms a smooth curved surface.
The shaft sleeve 2 is fixedly connected with the transmission rotating shaft 1 through a bolt, the shaft sleeve 2 comprises an extension portion 8, the lower end face of the extension portion 8 extends to the lower surface of the flange seat 3, and a movable ring 5 in the composite mechanical seal assembly is fixedly connected with the shaft sleeve 2.
The shaft sleeve 2 is provided with 1 to 5 fixed cavities 15 on the circumferential surface attached to the transmission rotating shaft 1, and sealing rubber gaskets 16 are embedded in the fixed cavities 15. In this embodiment, 4 fixing cavities 15 are formed in the shaft sleeve 2, and the sealing rubber gasket 16 plays a role in reinforcing the fitting performance of the shaft sleeve 2 and the transmission rotating shaft 1.
The inner stationary ring 6 and the outer stationary ring 7 are sleeved on the transmission rotating shaft 1 in parallel, and the inner stationary ring 6 and the outer stationary ring 7 are fixed on the flange seat 3 through bolts.
The flange seat 3 is provided with a spring cavity 9, springs 10 are connected between the inner static ring 6 and the outer static ring 7 as well as between the inner static ring and the flange seat 3, and the springs 10 are fixed in the spring cavity 9.
A water outlet pipe 11 is arranged between the inner static ring 6 and the outer static ring 7, and the upper end surface of the water outlet pipe 11 is higher than the upper surfaces of the inner static ring 6 and the outer static ring 7.
The cooling cavity 18 is formed in the position, close to the movable ring 5, of the shaft sleeve 2, the liquid inlet channel 19 is formed in the shaft sleeve 2, the liquid inlet channel 19 is communicated with the cooling cavity 18, the end portion of the liquid inlet channel 19 is embedded with the sealing plug 20, the temperature conducting cavity 21 is formed in the shaft sleeve 2, the temperature conducting cavity 21 is formed between the cooling cavity 18 and the movable ring 5, and the temperature conducting cavity 21 is filled with a temperature conducting material. When needs reation kettle transmission pivot 1 long-time during operation, lead to the high temperature because of the friction for preventing mechanical seal, can pour into low temperature liquid into in cooling chamber 18 in advance, specifically extract sealing plug 20 earlier, pour into low temperature liquid into from inlet channel 19 in cooling chamber 18, fill in inlet channel 19 with sealing plug 20 again, lead to the temperature intracavity and store and lead the temperature material in 21, make most low temperature conduction of low temperature liquid to the rotating ring 5 up end, help the cooling of rotating ring 5.
A baffle plate 12 is fixed at the end part of the flange seat 3 close to the extending part 8, and a collecting well 13 is formed by the communicated gaps between the extending part 8 and the baffle plate 12 and between the baffle plate 12 and the flange seat 3.
A solution channel 14 is horizontally arranged in the flange seat 3.
To sum up, the utility model discloses a theory of operation: when transmission pivot 1 rotates, axle sleeve 2 and 5 synchronous rotations therewith of rotating ring fixed with it, interior quiet ring 6 and outer quiet ring 7 pass through the bolt fastening on flange seat 3, it does not rotate along with transmission pivot 1's rotation to keep quiescent condition, spring 10 in the spring chamber 9 makes the laminating of rotating ring 5 and interior quiet ring 6 and outer quiet ring 7 inseparabler, simultaneously, because the outer terminal surface of rotating ring 5 and interior quiet ring 6 is smooth curved surface, the condition of material pile in mechanical seal department in the reation kettle has been avoided, furthermore, the sealing liquid of inboard sealed face trace seepage is at first collected to collecting well, rethread solution passageway derives equipment, prevent that sealing liquid from getting into the bearing, improve mechanical seal's result of use.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a mechanical seal for centrifuge, includes transmission pivot (1), from top to bottom overlaps in proper order and establishes axle sleeve (2), flange seat (3) and bearing (4) in transmission pivot (1) periphery, its characterized in that: a composite mechanical sealing assembly is arranged between the shaft sleeve (2) and the flange seat (3), the composite mechanical sealing assembly comprises a moving ring (5), an inner static ring (6) and an outer static ring (7), and the outer end face of the composite mechanical sealing assembly forms a smooth curved surface.
2. A mechanical seal for a centrifuge as defined in claim 1, wherein: the shaft sleeve (2) is fixedly connected with the transmission rotating shaft (1) through a bolt, the shaft sleeve (2) comprises an extension portion (8), the lower end face of the extension portion (8) extends to the lower surface of the flange seat (3), and a moving ring (5) in the composite mechanical seal assembly is fixedly connected with the shaft sleeve (2).
3. A mechanical seal for a centrifuge as defined in claim 2, wherein: the shaft sleeve (2) is provided with 1 to 5 fixed cavities (15) on the circumferential surface attached to the transmission rotating shaft (1), and sealing rubber pads (16) are embedded in the fixed cavities (15).
4. A mechanical seal for a centrifuge as defined in claim 3, wherein: the inner static ring (6) and the outer static ring (7) are sleeved on the transmission rotating shaft (1) in parallel, and the inner static ring (6) and the outer static ring (7) are fixed on the flange seat (3) through bolts.
5. A mechanical seal for a centrifuge as defined in claim 4, wherein: a spring cavity (9) is formed in the flange seat (3), springs (10) are connected between the inner static ring (6) and the outer static ring (7) and between the inner static ring and the flange seat (3), and the springs (10) are fixed in the spring cavity (9).
6. A mechanical seal for a centrifuge as defined in claim 5, wherein: elastic washers (17) are arranged between the inner static ring (6) and the spring (10) and between the outer static ring (7) and the spring (10).
7. A mechanical seal for a centrifuge as defined in claim 6, wherein: a water outlet pipe (11) is arranged between the inner static ring (6) and the outer static ring (7), and the upper end surface of the water outlet pipe (11) is higher than the upper surfaces of the inner static ring (6) and the outer static ring (7).
8. A mechanical seal for a centrifuge as defined in claim 7, wherein: the cooling cavity (18) is arranged at a position, close to the movable ring (5), of the shaft sleeve (2), the liquid inlet channel (19) is arranged on the shaft sleeve (2), the liquid inlet channel (19) is communicated with the cooling cavity (18), the end part of the liquid inlet channel (19) is embedded with the sealing plug (20), the temperature guide cavity (21) is arranged in the shaft sleeve (2), the temperature guide cavity (21) is arranged between the cooling cavity (18) and the movable ring (5), and the temperature guide cavity (21) is filled with a temperature guide material.
9. A mechanical seal for a centrifuge as defined in claim 8, wherein: the end part of the flange seat (3) close to the extending part (8) is fixedly provided with a baffle plate (12), and the extending part (8) and the baffle plate (12) and the communicated gaps between the baffle plate (12) and the flange seat (3) form a collecting well (13).
10. A mechanical seal for a centrifuge as defined in claim 9, wherein: a solution channel (14) is horizontally arranged in the flange seat (3), and the solution channel (14) is communicated with the collecting well (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623157.5U CN214789051U (en) | 2021-03-26 | 2021-03-26 | Mechanical seal for centrifuge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623157.5U CN214789051U (en) | 2021-03-26 | 2021-03-26 | Mechanical seal for centrifuge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214789051U true CN214789051U (en) | 2021-11-19 |
Family
ID=78667434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120623157.5U Active CN214789051U (en) | 2021-03-26 | 2021-03-26 | Mechanical seal for centrifuge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214789051U (en) |
-
2021
- 2021-03-26 CN CN202120623157.5U patent/CN214789051U/en active Active
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