CN219263171U - Mechanical sealing device for high-speed pump - Google Patents
Mechanical sealing device for high-speed pump Download PDFInfo
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- CN219263171U CN219263171U CN202222977830.2U CN202222977830U CN219263171U CN 219263171 U CN219263171 U CN 219263171U CN 202222977830 U CN202222977830 U CN 202222977830U CN 219263171 U CN219263171 U CN 219263171U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model relates to the technical field of high-speed pumps, and discloses a mechanical sealing device for a high-speed pump, which comprises a shaft sleeve, wherein a movable ring spring box A is arranged on one side of the shaft sleeve, the movable ring spring box A is provided with a movable ring A, the movable ring A is in contact fit with a static ring A, the static ring A is arranged on a sealing gland A, a movable ring spring box B is arranged on one side of the sealing gland A, the movable ring B is in contact fit with the static ring B, the static ring B is arranged on the sealing gland B, a movable ring spring box C is arranged on one side of the sealing gland B, the movable ring spring box C is provided with a movable ring C and is in contact fit with the static ring C, and the static ring C is arranged on the sealing gland C. The utility model can further improve the service cycle of the high-speed pump through the container type sealing device in the high-speed operation process of the high-speed pump, so that leaked materials can not directly enter the bearing box, the damage of the bearing is avoided, and the operation stability of the device is ensured.
Description
Technical Field
The utility model relates to the technical field of high-speed pumps, in particular to a mechanical sealing device for a high-speed pump.
Background
The high-speed pump has the advantages of high single-stage lift, compact structure, convenient maintenance, good reliability and the like, and is widely applied to the fields of oil refining, petrochemical industry and the like, but in the use process, the high-speed pump is easy to leak, the leaked materials enter the bearing box and are easy to damage the bearing, the labor and maintenance cost are increased, the use efficiency and the use period are reduced, and certain influence is brought to the process production.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a mechanical sealing device for a high-speed pump.
In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a mechanical seal device for high-speed pump, includes the axle sleeve, movable ring spring case A is installed to axle sleeve one side, movable ring spring case A is provided with fastening screw hole A, fastening screw hole A is provided with fastening screw A with movable ring spring case A fastening on the axle sleeve, movable ring spring case A installs movable ring A, movable ring A contacts cooperation with quiet ring A, quiet ring A installs on gland A, gland A one side is provided with movable ring spring case B, movable ring spring case B is provided with fastening screw B and fastens it on the axle sleeve, movable ring spring case B installs movable ring B, movable ring B contacts cooperation with quiet ring B, quiet ring B installs on gland B, gland B is provided with white oil flushing hole import and white oil flushing hole export, gland B one side is provided with movable ring spring case C, movable ring spring case C is provided with fastening screw hole B, fastening screw hole B is provided with fastening screw C with movable ring spring case C fastening on the axle sleeve, movable ring spring case C is provided with movable ring C and contacts cooperation with movable ring C on the gland C.
Further; the movable ring A, the movable ring B and the movable ring C are respectively provided with a movable ring sealing ring, and the stationary ring A, the stationary ring B and the stationary ring C are respectively provided with a stationary ring sealing ring.
Further; the movable ring A and the static ring A are made of polytetrafluoroethylene materials.
Further; the shaft sleeve is internally provided with a first sealing ring and a second sealing ring.
Further; and a gland sealing ring is arranged at one end of the sealing gland B.
Further; the sealing gland A is provided with a sealing ring.
Further; the sealing gland A is symmetrically provided with first fastening bolt holes, and the first fastening bolt holes are threaded through holes.
Further; the sealing gland A is symmetrically provided with second fastening bolt holes, and the second fastening bolt holes are non-penetrating threaded holes.
Further; the sealing gland A is symmetrically provided with third fastening bolt holes, and the third fastening bolt holes are non-penetrating threaded holes.
The utility model has the beneficial effects that:
(1) The utility model can further improve the service cycle of the high-speed pump through the container type sealing device in the high-speed operation process of the high-speed pump, so that leaked materials can not directly enter the bearing box, the damage of the bearing is avoided, the labor and maintenance cost are reduced, and the operation stability of the device is ensured.
(2) The movable ring A, the movable ring B and the movable ring C are respectively provided with a movable ring sealing ring, and the stationary ring A, the stationary ring B and the stationary ring C are respectively provided with a stationary ring sealing ring, so that the tightness of the whole device can be further improved.
(3) The movable ring A and the static ring A are made of polytetrafluoroethylene, and have good chemical stability, high wear resistance and certain self-lubricity.
(4) The inside first sealing washer and the second sealing washer that are provided with of axle sleeve has fine sealed effect to the medium that leaks from axle and axle sleeve, can prevent that the medium from taking place to leak between axle and axle sleeve and getting into the bearing box.
(5) One end of the sealing gland B is provided with a gland sealing ring, and the sealing gland B is assembled in contact with the sealing gland A, so that white oil in the sealing cavity can be prevented from leaking to the outside.
(6) The sealing gland A is provided with a sealing ring, so that lubricating oil in the bearing box can be prevented from leaking outside or leaked medium enters the bearing box, and the bearing is prevented from being damaged.
(7) The sealing gland A is symmetrically provided with first fastening bolt holes, the first fastening bolt holes are threaded through holes, the bolts are used for fastening the sealing gland A in a high-speed pump sealing cavity through the first fastening bolt holes, and the movable ring A and the static ring A can be in contact and compressed together to play a role in sealing the bearing box.
(8) The sealing gland A is symmetrically provided with second fastening bolt holes, the second fastening bolt holes are non-penetrating threaded holes, bolts with proper lengths penetrate through holes in the sealing gland B to symmetrically tighten the sealing gland A, so that the moving ring B and the static ring B are contacted together and reach a certain compression amount, and the sealing gland B plays a role in sealing white oil and media.
(9) The sealing gland A is symmetrically provided with third fastening bolt holes, the third fastening bolt holes are non-penetrating threaded holes, bolts with proper lengths penetrate through holes in the sealing gland C and the sealing gland B, the bolts are symmetrically fastened in the third fastening bolt holes, the moving ring C and the static ring C are contacted together, a certain compression amount is achieved, and the sealing medium is achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a side view of the present utility model;
fig. 4 is a cross-sectional view at A-A in fig. 3.
In the figure: 1. a shaft sleeve; 101. a first seal ring; 102. a second seal ring; 2. a movable ring spring case A; 201. a fastening screw A; 202. a fastening screw hole a; 203. a moving ring A; 3. a fastening screw B; 4. a fastening screw C; 401. a fastening screw hole B; 5. a sealing gland A; 501. a sealing ring A; 502. a stationary ring A; 503. a first fastening bolt hole; 504. a second fastening bolt hole; 505. a third fastening bolt hole; 6. a sealing gland B; 601. a white oil flushing hole inlet; 602. a white oil flushing hole outlet; 603. pressing a sealing ring B; 604. a movable ring spring case B; 605. a moving ring B; 606. a stationary ring B; 607. a through hole; 701. a moving ring seal ring; 702. a stationary ring seal ring; 8. a sealing gland C; 801. a movable ring spring case C; 802. a moving ring C; 803. a stationary ring C; 804. and a through hole.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
In the description of the present utility model, it should be noted that the terms "mounted," "provided," "secured," and the like should be construed broadly, unless otherwise explicitly specified and defined, and that the particular meaning of the terms in the present utility model will be understood to those of ordinary skill in the art in a specific sense.
Examples
As shown in fig. 1 to 4, a mechanical seal device for a high-speed pump comprises a shaft sleeve 1, wherein a movable ring spring case A2 is installed on one side of the shaft sleeve 1, the movable ring spring case A2 is provided with a fastening screw hole a202, the fastening screw hole a202 is provided with a fastening screw a201 for fastening the movable ring spring case A2 on the shaft sleeve 1, the movable ring spring case A2 is installed with a movable ring a203, the movable ring a203 is in contact fit with a static ring a502, the static ring a502 is installed on a sealing gland A5, a movable ring spring case B604 is arranged on one side of the sealing gland A5, the movable ring spring case B604 is provided with a fastening screw B3 for fastening the movable ring spring case a 604 on the shaft sleeve 1, the movable ring spring case B604 is provided with a movable ring B605, the movable ring B605 is in contact fit with a static ring B606, the static ring B606 is installed on the sealing gland B6, the sealing gland B6 is provided with a white oil flushing hole inlet 601 and a white oil flushing hole outlet 602, one side of the sealing gland B6 is provided with a movable ring case C801, the movable ring C801 is provided with a fastening screw hole C401 is provided with a fastening screw hole B3 for fastening the movable ring C801 on the stationary ring C803, and the static ring C is provided with a static ring C803 is provided with a fastening screw hole C803 on the static ring C3, and the sealing gland C is provided with a fastening ring C803 is in contact with a fastening ring C3.
The movable ring a203, the movable ring B605 and the movable ring C802 are respectively provided with a movable ring seal 701, and the stationary ring a502, the stationary ring B606 and the stationary ring C803 are respectively provided with a stationary ring seal 702, so that the tightness of the whole device can be further improved.
The movable ring A203 and the static ring A502 are made of polytetrafluoroethylene, and have good chemical stability, high wear resistance and certain self-lubricating property.
The first sealing ring 101 and the second sealing ring 102 are arranged in the shaft sleeve 1, so that a good sealing effect is achieved on a medium leaked from the shaft to the shaft sleeve, and the medium can be prevented from leaking from the shaft to the shaft sleeve to enter the bearing box, so that the bearing is damaged.
One end of the sealing gland B6 is provided with a gland sealing ring 603, and the sealing gland B6 is assembled in a contact way with the sealing gland A5, so that white oil in the sealing cavity can be prevented from leaking to the outside.
The sealing gland A5 is provided with a sealing ring 501, which can prevent the lubricating oil in the bearing housing from leaking to the outside or the leaked medium from entering the bearing housing.
The sealing gland A5 is symmetrically provided with first fastening bolt holes 503, the first fastening bolt holes 503 are threaded through holes, the sealing gland A5 is tightly screwed in a high-speed pump sealing cavity through the first fastening bolt holes 503, and the movable ring A203 and the static ring A502 can be in contact and compressed together to play a role in sealing a bearing box.
The sealing gland A5 is symmetrically provided with second fastening bolt holes 504, the second fastening bolt holes 504 are non-penetrating threaded holes, bolts with proper lengths penetrate through holes 607 on the sealing gland B6 and are symmetrically fastened in the second fastening bolt holes 504, so that the moving ring B605 and the static ring B606 are contacted together and reach a certain compression amount, and the sealing gland B and the sealing gland serve as sealing white oil and media.
The sealing gland A5 is symmetrically provided with third fastening bolt holes 505, the third fastening bolt holes 505 are non-penetrating threaded holes, bolts with proper lengths penetrate through holes 804 on the sealing gland C8 and through holes 607 on the sealing gland B6, and are symmetrically fastened in the third fastening bolt holes 505, so that the movable ring C802 and the static ring C803 can be contacted together, a certain compression amount is achieved, and the sealing medium is acted.
In the utility model, a movable ring spring case A2 is fastened on a shaft sleeve 1 at a certain position by a fastening screw A201, a movable ring A203 and a movable ring seal 701 are mounted on the movable ring spring case A2, a stationary ring A502 and a stationary ring seal 702 are mounted on a seal gland A5, the seal gland A5 is sleeved on the shaft sleeve 1 so that the stationary ring A502 is contacted with the movable ring A203, a movable ring spring case B604 is fastened on the shaft sleeve 1 at a certain position by a fastening screw B3, the movable ring B605 and the movable ring seal 701 are mounted on a movable ring spring case B604, the stationary ring B606 and the stationary ring seal 702 are mounted on a seal gland B6, the seal gland B6 is sleeved on the shaft sleeve so that the stationary ring B606 is contacted with the movable ring B605, the movable ring spring case C801 is fastened on the shaft sleeve 1 at a certain position by a fastening screw C4, the movable ring C802 and the movable ring seal 701 are mounted on the movable ring spring case C801, the stationary ring C and the movable ring seal 702 are mounted on a seal gland C8, the sealing gland C8 is sleeved on the shaft sleeve 1 to enable the stationary ring C803 to be in contact with the movable ring C802, one end of the shaft sleeve 1 is sleeved on the shaft to enable one end of the shaft sleeve to be in contact with an outer bearing inner ring in the bearing box, bolts are fastened in the first fastening bolt holes 503 symmetrically, the sealing gland A5 is fastened in the sealing cavity, bolts with proper length penetrate through the through holes 607 in the sealing gland B6 and are fastened in the second fastening bolt holes 504 symmetrically, the sealing gland B6 and the sealing gland A5 can be assembled in a contact mode, bolts with proper length pass through the through holes 804 on the sealing gland C8 and the through holes 607 on the sealing gland B6 and are symmetrically fastened in the third fastening bolt holes 505, so that the movable ring C802 and the static ring C803 generate a certain compression amount, the damage of the bearing is avoided, the labor and maintenance cost are reduced, and the running stability of the device is ensured.
The above-described embodiments are merely preferred embodiments of the present utility model, and the present utility model is not limited in any way, and other variations and modifications may be made without departing from the technical aspects set forth in the claims.
In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.
Claims (9)
1. A mechanical seal device for a high-speed pump, characterized in that: comprises a shaft sleeve (1), a movable ring spring box A (2) is arranged on one side of the shaft sleeve (1), a fastening screw hole A (202) is arranged on the movable ring spring box A (2), the fastening screw hole A (202) is provided with a fastening screw A (201) for fastening the movable ring spring box A (2) on the shaft sleeve (1), the movable ring A (203) is arranged on the movable ring spring box A (2), the movable ring A (203) is in contact fit with a static ring A (502), the static ring A (502) is arranged on a sealing gland A (5), a movable ring spring box B (604) is arranged on one side of the sealing gland A (5), the movable ring spring box B (604) is provided with a fastening screw B (3) for fastening the movable ring spring box A (202) on the shaft sleeve (1), the movable ring spring box B (604) is provided with a movable ring B (605), the movable ring B (605) is in contact fit with a static ring B (606), the sealing gland B (6) is arranged on a sealing gland B (6), a white oil inlet (801) is arranged on one side of the sealing gland B (601) and a flushing ring (801) is provided with a flushing screw hole C, the movable ring spring box C (801) is provided with a movable ring C (802) and is in contact fit with the stationary ring C (803), and the stationary ring C (803) is arranged on the sealing gland C (8).
2. The mechanical seal device for a high-speed pump according to claim 1, wherein: the movable ring A (203), the movable ring B (605) and the movable ring C (802) are respectively provided with a movable ring sealing ring (701), and the stationary ring A (502), the stationary ring B (606) and the stationary ring C (803) are respectively provided with a stationary ring sealing ring (702).
3. The mechanical seal device for a high-speed pump according to claim 1, wherein: the movable ring A (203) and the stationary ring A (502) are made of polytetrafluoroethylene.
4. The mechanical seal device for a high-speed pump according to claim 1, wherein: the shaft sleeve (1) is internally provided with a first sealing ring (101) and a second sealing ring (102).
5. The mechanical seal device for a high-speed pump according to claim 1, wherein: one end of the sealing gland B (6) is provided with a gland sealing ring (603).
6. The mechanical seal device for a high-speed pump according to claim 1, wherein: the sealing gland A (5) is provided with a sealing ring (501).
7. The mechanical seal device for a high-speed pump according to claim 1, wherein: the sealing gland A (5) is symmetrically provided with first fastening bolt holes (503), and the first fastening bolt holes (503) are threaded through holes.
8. The mechanical seal device for a high-speed pump according to claim 1, wherein: the sealing gland A (5) is symmetrically provided with second fastening bolt holes (504), and the second fastening bolt holes (504) are non-penetrating threaded holes.
9. The mechanical seal device for a high-speed pump according to claim 1, wherein: the sealing gland A (5) is symmetrically provided with third fastening bolt holes (505), and the third fastening bolt holes (505) are non-penetrating threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977830.2U CN219263171U (en) | 2022-11-09 | 2022-11-09 | Mechanical sealing device for high-speed pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222977830.2U CN219263171U (en) | 2022-11-09 | 2022-11-09 | Mechanical sealing device for high-speed pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219263171U true CN219263171U (en) | 2023-06-27 |
Family
ID=86855713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222977830.2U Active CN219263171U (en) | 2022-11-09 | 2022-11-09 | Mechanical sealing device for high-speed pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219263171U (en) |
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2022
- 2022-11-09 CN CN202222977830.2U patent/CN219263171U/en active Active
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