CN212028350U - Self-cleaning end face machine seal - Google Patents
Self-cleaning end face machine seal Download PDFInfo
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- CN212028350U CN212028350U CN202020786587.4U CN202020786587U CN212028350U CN 212028350 U CN212028350 U CN 212028350U CN 202020786587 U CN202020786587 U CN 202020786587U CN 212028350 U CN212028350 U CN 212028350U
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- ring
- atmosphere side
- medium side
- machine seal
- atmosphere
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Abstract
The utility model relates to a sealing member technical field especially relates to a self-cleaning terminal surface machine seals, it includes the box, the machine end cover, the machine seals the fixing base, axle sleeve and mechanical seal device, axle sleeve outer wall upper portion and lower part are equipped with the step respectively, admittedly, be equipped with medium side compensation spring and atmosphere side compensation spring on the box, mechanical seal device includes the quiet ring of atmosphere side, atmosphere side rotating ring, the quiet ring of medium side, medium side rotating ring and atmosphere side rotating ring, medium side compensation spring bottom supports medium side rotating ring, the below of medium side rotating ring is the quiet ring of medium side, the below of the quiet ring of medium side is medium side rotating ring, atmosphere side compensation spring top supports atmosphere side rotating ring, atmosphere side rotating ring top is the quiet ring of atmosphere side, atmosphere side rotating ring top is atmosphere side rotating ring, atmosphere side rotating ring and medium side rotating ring are equipped with the guiding gutter. The utility model provides a device operation in-process mechanical seal terminal surface cleaning performance is good, guarantees sealed effect and life-span.
Description
Technical Field
The utility model relates to a sealing member technical field especially relates to a self-cleaning terminal surface machine seals.
Background
At present, a lot of equipment needs to use mechanical seal, and grinding scraps or impurities of the mechanical seal stay in a mechanical seal cavity, so that the phenomena of clamping rings and the like are easily caused, and a sealing device is damaged or the sealing is not tight.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that it is good to provide operation in-process mechanical seal terminal surface cleaning performance, guarantees mechanical seal's sealed effect and a self-cleaning terminal surface machine of life-span and seals.
The utility model discloses a realize through following technical scheme:
a self-cleaning end face machine seal comprises a box body, a machine seal end cover, a machine seal fixing seat, a shaft sleeve and a mechanical seal device arranged between the shaft sleeve and the box body, the machine seal end cover and the machine seal fixing seat, wherein the machine seal end cover is arranged at the bottom of the box body, the machine seal fixing seat is arranged at the top of the box body, the machine seal end cover and the machine seal fixing seat are fixedly connected through bolts, the upper part and the lower part of the outer wall of the shaft sleeve are respectively provided with a step, a medium side compensation spring and an atmosphere side compensation spring are fixedly arranged on the box body, the mechanical seal device comprises an atmosphere side static ring, an atmosphere side dynamic ring, a medium side static ring, a medium side dynamic ring, a medium side thrust ring and an atmosphere side thrust ring which are sleeved outside the shaft sleeve, the bottom of the medium side compensation spring props against the medium side thrust ring, the medium side static ring is arranged below the medium side thrust ring, the medium side static ring is, the top of the atmosphere side compensation spring supports against the atmosphere side push ring, the top of the atmosphere side push ring is an atmosphere side static ring, the top of the atmosphere side static ring is an atmosphere side dynamic ring and is provided with a boss matched with the step on the upper part of the outer wall of the shaft sleeve, and a plurality of flow guide grooves are formed in the boss positions of the atmosphere side dynamic ring and the medium side dynamic ring.
Furthermore, a first sealing ring and a tetrafluoro wedge-shaped ring are respectively arranged between the medium side static ring and the mechanical seal end cover.
Further, a second sealing ring is arranged between the atmosphere side static ring and the box body and between the atmosphere side static ring and the machine seal fixing seat.
Further, third sealing rings are respectively arranged between the atmosphere side movable ring and the medium side movable ring and the shaft sleeve.
Furthermore, fourth sealing rings are respectively arranged between the box body and the machine seal end cover and between the box body and the machine seal fixing seat.
Further, an oil seal is arranged in the machine seal fixing seat.
Beneficial effects of the utility model
The utility model discloses a self-cleaning terminal surface machine of protection seals, equipment operation in-process, when taking place wearing and tearing between the quiet ring of atmosphere side and the quiet ring of medium side and the medium side rotating ring abrasive surface, can compensate through atmosphere side compensating spring and medium side compensating spring respectively, guarantee mechanical seal device's sealed effect, and when equipment operation, medium side rotating ring and atmosphere side rotating ring are rotatory along with the axle sleeve together, because medium side rotating ring and atmosphere side rotating ring are equipped with a plurality of guiding gutters respectively, can make the sealing liquid form the vortex, form online self-cleaning to its terminal surface, the cleaning performance is relatively good, prevent that mechanical seal's abrasive dust or impurity etc. from stopping in the machine seal cavity, cause phenomenons such as snap ring, destroy sealing device or cause sealed not tight.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic top view of the rotating ring;
FIG. 3 is a schematic view of a movable ring;
in the figure, 1, a machine seal end cover, 2, a box body, 3, a machine seal fixing seat, 4, a bolt, 5, an oil seal, 6, a third sealing ring, 7, a second sealing ring, 8, a fourth sealing ring, 9, a tetrafluoro wedge-shaped ring, 10, a medium side push ring, 11, a medium side compensation spring, 12, an atmosphere side push ring, 13, an atmosphere side static ring, 14, an atmosphere side movable ring, 15, an atmosphere side compensation spring, 16, a shaft sleeve, 17, a medium side static ring, 18, a medium side movable ring, 19, a first sealing ring and 20 a diversion trench are arranged.
Detailed Description
A self-cleaning end face machine seal comprises a box body 2, a machine seal end cover 1, a machine seal fixing seat 3, a shaft sleeve 16 and a mechanical seal device arranged between the shaft sleeve and the box body, the machine seal end cover and the machine seal fixing seat, wherein the machine seal end cover is arranged at the bottom of the box body, the machine seal fixing seat is arranged at the top of the box body, the machine seal end cover is fixedly connected with the machine seal fixing seat through a bolt 4, the upper part and the lower part of the outer wall of the shaft sleeve are respectively provided with a step, a medium side compensation spring 11 and an atmosphere side compensation spring 15 are fixedly arranged on the box body, the mechanical seal device comprises an atmosphere side static ring 13, an atmosphere side dynamic ring 14, a medium side static ring 17, a medium side dynamic ring 18, a medium side dynamic ring 10 and an atmosphere side dynamic ring 12 which are sleeved outside the shaft sleeve, the bottom of the medium side compensation spring supports against the medium side dynamic ring, the medium side static ring is arranged below the medium side dynamic ring, and a boss is arranged below the medium side dynamic ring and, the top of the atmosphere side compensation spring supports against the atmosphere side push ring, the top of the atmosphere side push ring is an atmosphere side static ring, the top of the atmosphere side static ring is an atmosphere side dynamic ring, the atmosphere side dynamic ring is provided with a boss matched with the step on the upper part of the outer wall of the shaft sleeve, and the bosses of the atmosphere side dynamic ring and the medium side dynamic ring are provided with a plurality of diversion trenches 20.
Further, install first sealing washer 19 and tetrafluoro wedge circle 9 between static ring of medium side and the mechanical seal end cover respectively, guarantee the sealed effect between static ring of medium side and the mechanical seal end cover.
Further, install second sealing washer 7 between quiet ring of atmosphere side and box and the machine seals the fixing base, guarantee the sealed effect between quiet ring of atmosphere side and box and the machine seals the fixing base.
Further, install third sealing washer 6 between atmosphere side rotating ring and the machine seal fixing base and between medium side rotating ring and the axle sleeve respectively, guarantee the sealed effect between atmosphere side rotating ring and medium side rotating ring and the axle sleeve.
Furthermore, fourth sealing rings 8 are respectively arranged between the box body and the machine end cover and between the box body and the machine end fixing seat, and the sealing effect between the box body and the machine end cover and between the box body and the machine end fixing seat is guaranteed.
Further, an oil seal 5 is installed in the machine seal fixing seat.
When the equipment runs, when abrasion occurs between the grinding surfaces of the atmosphere side static ring and the atmosphere side moving ring and between the grinding surfaces of the medium side static ring and the medium side moving ring, the abrasion can be compensated through the atmosphere side compensation spring and the medium side compensation spring respectively, the sealing effect of the mechanical sealing device is ensured, and when the equipment runs, the medium side moving ring and the atmosphere side moving ring rotate along with the shaft sleeve.
To sum up, the utility model discloses a self-cleaning terminal surface machine that protects seals, operation in-process mechanical seal terminal surface cleaning performance is good, guarantees mechanical seal's sealed effect and life-span.
Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A self-cleaning end face machine seal is characterized by comprising a box body, a machine seal end cover, a machine seal fixing seat, a shaft sleeve and a mechanical sealing device arranged between the shaft sleeve and the box body, between the machine seal end cover and the machine seal fixing seat, wherein the machine seal end cover is arranged at the bottom of the box body, between the machine seal fixing seat and the machine seal fixing seat, the machine seal fixing seat is arranged at the top of the box body, and is fixedly connected through bolts, steps are respectively arranged at the upper part and the lower part of the outer wall of the shaft sleeve, a medium side compensation spring and an atmosphere side compensation spring are fixedly arranged on the box body, the mechanical sealing device comprises an atmosphere side static ring, an atmosphere side dynamic ring, a medium side static ring, a medium side dynamic ring, a medium side thrust ring and an atmosphere side thrust ring which are sleeved outside the shaft sleeve, the bottom of the medium side compensation spring abuts against the medium side thrust ring, the medium side static ring is arranged below the medium side thrust ring, the medium side dynamic, the top of the atmosphere side compensation spring supports against the atmosphere side push ring, the top of the atmosphere side push ring is an atmosphere side static ring, the top of the atmosphere side static ring is an atmosphere side dynamic ring and is provided with a boss matched with the step on the upper part of the outer wall of the shaft sleeve, and a plurality of flow guide grooves are formed in the boss positions of the atmosphere side dynamic ring and the medium side dynamic ring.
2. The self-cleaning end face machine seal according to claim 1, wherein a first seal ring and a tetrafluoro wedge ring are respectively installed between the medium side stationary ring and the machine seal end cover.
3. A self-cleaning end face mechanical seal according to claim 1, wherein a second seal ring is installed between the atmosphere side stationary ring and the housing and the mechanical seal holder.
4. A self-cleaning end face machine seal according to claim 1, wherein third seal rings are respectively installed between the atmosphere side dynamic ring and the medium side dynamic ring and the shaft sleeve.
5. A self-cleaning end face machine seal according to claim 1, wherein a fourth seal ring is mounted between the housing and each of the machine seal end cap and the machine seal holder.
6. A self-cleaning end face machine seal according to claim 1, wherein an oil seal is mounted in the machine seal holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786587.4U CN212028350U (en) | 2020-05-13 | 2020-05-13 | Self-cleaning end face machine seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020786587.4U CN212028350U (en) | 2020-05-13 | 2020-05-13 | Self-cleaning end face machine seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212028350U true CN212028350U (en) | 2020-11-27 |
Family
ID=73481167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020786587.4U Active CN212028350U (en) | 2020-05-13 | 2020-05-13 | Self-cleaning end face machine seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212028350U (en) |
-
2020
- 2020-05-13 CN CN202020786587.4U patent/CN212028350U/en active Active
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