CN2607482Y - Rotary shaft end sealer with double-body double-buffer structure - Google Patents
Rotary shaft end sealer with double-body double-buffer structure Download PDFInfo
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- CN2607482Y CN2607482Y CN 02255036 CN02255036U CN2607482Y CN 2607482 Y CN2607482 Y CN 2607482Y CN 02255036 CN02255036 CN 02255036 CN 02255036 U CN02255036 U CN 02255036U CN 2607482 Y CN2607482 Y CN 2607482Y
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Abstract
The utility model relates to a rotary shaft end face sealer with a double-body double-buffer structure which is an improved type of an original ' rotary shaft end face sealer with a double-buffer structure ' by a designer. The utility model has the improved structure that a moving ring (3), a moving ring whole dielectric isolation sheath (6), a moving ring buffer structure (7), a moving ring friction pair (9) and a moving ring embedding friction pair (10) are made into a moving ring whole; a stationary ring embedding friction pair (11), a stationary ring friction pair (12), a press cover whole dielectric isolation sheath (13), a stationary ring buffer structure (14) and a press cover (16) are made into a press cover whole. The sealer is mainly composed of two parts of the moving ring whole and the press cover whole. The sealer also uses the double sealing ring structures of (5) and (8), i.e. a double O structure. The sealer has the advantages of extensive application range of dielectrics, long use period, predicable use period, installation operation without changing original equipment, wide application range of equipment, convenient installation and maintenance, and is particularly suitable for the dielectrics which are not suitable for mechanical seal. The utility model is widely applied to different centrifugal pumps, stirring equipment and rotary mechanical equipment with a stuffing box.
Description
Affiliated technical field
The utility model relates to a kind of face seals that is used for running shaft, is a kind of modified model face seals.It relates to the former patent of the inventor " double-damping structure running shaft the face seals " (patent No.: improvement ZL95220637.4).
Background technique
Through using the former patent of discovery " double-damping structure running shaft face seals " to have following deficiency for many years:
1. seal point is many, and leakage point is many, and integrity is poor.
2. leak easily because of bearing buffering vibration (10) two sides of rotating ring buffer structure (7) and stationary ring buffer structure among Fig. 1.
3. rotating ring friction pair (8) and stationary ring friction pair (9) are complex-shaped among Fig. 1, and difficulty is made with hard material.
And this model utility " binary, double-damping structure running shaft face seals " retrieved, prove that it has novelty, creativeness, and reached designing requirement through experimental results demonstrate.
Summary of the invention
In order to overcome the deficiency of former patent effectively, higher raising sealing; Prolong life cycle; Enlarge the medium using scope, the utility model provides a kind of binary, two O (O type circle), double buffering, the media isolated cover has been arranged, the running shaft face seals of inlaying the hard material friction pair has been arranged.
The technological scheme that its technical problem that solves the utility model adopts is:
Fig. 1 is the former patent of inventor " double-damping structure running shaft face seals " erection drawing.(1) is that running shaft, (2) are that axle sleeve, (3) are that stuffing box or Seal cage, (4) are that positioning ring, (5) are that shrink-ring, (6) are that rotating ring, (7) are that rotating ring buffer structure, (8) are that rotating ring friction pair, (9) are stationary ring friction pair, (being rubbing surface between 8,9) among the figure, and (10) are that stationary ring buffer structure, (11) are that gland, (12) are gland rings.
Fig. 2 becomes binary, double-damping structure running shaft face seals erection drawing (also being Figure of abstract) after former patent is improved.(1) is that running shaft (axle sleeve, pump shaft, stirring shaft or other have stuffing box, and the machinery axle of this device can be installed), (2) are that stuffing box (or Seal cage), (3) are that rotating ring, (4) are that rotating ring Cock screw, (5) are that seal ring of moving ring (can be static seal circles such as O type circle, rectangular loop), (6) are that the overall media isolated cover of rotating ring, (7) are that rotating ring buffer structure, (8) are that rotating ring friction pair seal ring [with (5)], (9) are that rotating ring friction pair, (10) are that rotating ring is inlayed friction pair among the figure.Part (3), (4), (5), (6), (7), (8), (9), (10) are that rotating ring is overall.(11) be that to inlay friction pair, [between (10), (11) is rubbing surface], (12) be that stationary ring friction pair, (13) are that the overall media isolated cover of gland, (14) are that stationary ring buffer structure, (15) gland ring [with (5)], (16) are that gland, (17) are the original equipment gland studs to stationary ring.
This binary, double-damping structure running shaft face seals, be by with running shaft (1) Spielpassung and and the rotating ring (3) of axle rotation, rotating ring Cock screw (4), seal ring of moving ring (5), the overall media isolated cover of rotating ring (6), rotating ring buffer structure (7), the rotating ring secondary seal ring (8) that rubs, rotating ring friction pair (9), rotating ring is inlayed friction pair (10), with static, inlay friction pair (11) with the stationary ring of the big Spielpassung of running shaft with equipment, stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland ring (15), gland (16), with constituting after gland bolt (17) axial compression.
The utility model provides: the overall media isolated cover of rotating ring (3), rotating ring (6), rotating ring buffer structure (7), rotating ring friction pair (9), the rotating ring that rotate together with the axis are inlayed friction pair (10) make one and rotating ring Cock screw (4), seal ring of moving ring (5), rotating ring friction pair seal ring (8) are packed into to become rotating ring overall again.To inlay friction pair (11), stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland (16) with the static stationary ring of equipment, make one and again gland ring (15) is packed into to become gland overall.Overall and overall two-part of gland constitute this apparatus main body by rotating ring.This device static seal point has significantly reduced, and leakage point has reduced, and integrity has strengthened.
Be convenient to install and simplified structure in order to adapt to some special equipments, second feature of the present utility model is: constitute the overall rotating ring (3) of rotating ring, the overall media isolated cover of rotating ring (6), rotating ring buffer structure (7), rotating ring friction pair (9), rotating ring is inlayed friction pair (10) and is constituted the overall stationary ring of gland and inlays friction pair (11), stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland (16) Placement has two kinds: the one, and inseparable overall, above-mentioned each part is with bonding, connections such as mold pressing, the 2nd, separable separate piece, above-mentioned each part is with inlaying, connections such as axial compression.
In order to be applicable to various media widely, the 3rd feature of the present utility model is: the overall media isolated cover of overall media isolated cover of rotating ring (6) and gland (13) structure characteristic has three kinds: 1. overall the and gland of rotating ring totally all has the media isolated cover; 2. the overall and gland of rotating ring does not totally all have the media isolated cover; 3. totally one of them has the media isolated cover to the overall and gland of rotating ring.There all have media isolated to overlap to be most widely used general, is applicable to that most of pressure are higher, the less medium of viscosity.All do not have the media isolated cover and be only applicable to that pressure is less, the medium of thickness.
In order to be suitable for different operating modes, the 4th feature of the present utility model is: seal ring of moving ring (5) and rotating ring friction pair seal ring (8) structure characteristic have two kinds: 1. seal ring of moving ring (5) and rotating ring friction pair seal ring (8) all have, promptly two O types; 2. seal ring of moving ring (5) and rotating ring friction pair seal ring (8) both have only one seal ring is arranged, promptly single O type.Two O types can bear higher pressure, have high reliability.For abominable medium, for example: the medium of leakage after coagulation, fouling medium etc., the short time can not leak yet after rotating ring buffer structure (7) is torn.Therefore two O types are main separation structures of this device.It is lower that single O model only is suitable for pressure, and revolution is less than being 1500r.p.m equipment.
In order to be suitable for various media widely, effectively prolong the friction pair life cycle, the 5th feature of the utility model is: the rotating ring of this device is inlayed friction pair (10) and stationary ring and is inlayed friction pair (11) structure characteristic and have three kinds: 1. all have the friction pair of inlaying, 2. all do not have the friction pair of inlaying, 3. both have only a part that the friction pair of inlaying is arranged.This device is inlayed friction pair and is selected the high PV value of high hardness materials such as cemented carbide, silicon carbide, pottery for use, is suitable for various abominable media, for example: contain a large amount of solid particle mediums; The fouling medium; Solidification and crystallization medium etc.
Rotating ring buffer structure (7) and stationary ring buffer structure (14) are that this installs most important structure.The 6th feature of the utility model is: rotating ring buffer structure (7) and stationary ring buffer structure (14) structure and material have five kinds: 1. solid natural rubber, synthetic rubber ring; 2. hollow natural rubber, synthetic rubber ring; 3. natural rubber, synthetic rubber ring foam; 4. metal, nonmetal bellows; 5. natural rubber, synthetic rubber bellows sleeve spring.
The beneficial effects of the utility model are: experimental results show that this device owing to adopted binary, two O (O type circle), double buffering, media isolated cover, inlay the friction pair structure of high hardness, high PV value, overall tightness, bulk strength, vibration resistance, Chinese People's Anti-Japanese Military and Political College's moment of torsion, wear resistance performance have greatly been improved, therefore this device has: 1. medium applicability widely, be specially adapted to the abominable medium that mechanical seal can not fine use, for example: contain a large amount of solid particle mediums (slag slurry), fouling medium (phosphatization liquid) leaks setting medium (electrophoretic paint) etc.2. long life cycle can prolong life cycle by the gland bolt.And can be by the gland amount of exposing prediction life cycle, this will provide very big convenience for the user.3. do not need original equipment made any change this device can be installed.4. equipment is applied widely.5. installation, easy to maintenance.
This device can be widely used in various centrifugal pumps, stir, has the rotating machinery of stuffing box.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the former patent of inventor " double-damping structure running shaft end sealing device " erection drawing.
1. running shaft 2. axle sleeves, 3. stuffing boxes or Seal cage 4. positioning rings 5. shrink-rings 6. rotating rings 7. rotating ring buffer structures 8. rotating ring friction pairs 9. stationary ring friction pairs 10. stationary ring buffer structures 11. glands 12. gland rings among the figure
Fig. 2 becomes " binary, double-damping structure running shaft face seals " erection drawing (also being Figure of abstract) after former patent is improved
The overall media isolated of 1. running shafts, 2. stuffing box 3. rotating rings, 4. rotating ring Cock screw 5. seal ring of moving ring, 6. rotating rings is overlapped 7. rotating ring buffer structures, 8. rotating ring friction pair seal rings, 9. rotating ring friction pairs, 10. rotating rings and is inlayed friction pair 11. stationary rings and inlay the overall media isolated of friction pair 12. stationary ring friction pairs, 13. glands and overlap 14. stationary ring buffer structures, 15. gland rings, 16. glands, 17. original equipment stuffing box gland bolts among the figure
Embodiment
Fig. 2 is binary, the double-damping structure running shaft face seals erection drawing that this device is used for the IS-100-80-160 pump.
Pump housing axle sleeve (1) and stuffing box (2) material all are HT20-40 gray cast iron.Rotating ring (3) material is No. 45 steel, and turning is made.Rotating ring Cock screw (4) is a hexagonal pinnacle Cock screw standard piece in M8 * 8, and seal ring of moving ring (5) and rotating ring friction pair seal ring (8) all are d=50 in the D * 3.5 nitrile butadiene rubber standard O type circles.The overall media isolated cover of rotating ring (6) is (Φ 60) natural rubber cover of typing.Rotating ring buffer structure (7) and stationary ring buffer structure (14) are foaming natural rubber circles (Φ 52).Rotating ring friction pair (9) and stationary ring friction pair (12) are that No. 45 steel turning is made, but are not friction pair.Real friction pair is the cemented carbide of inlaying in the turning groove, and rotating ring inlays friction pair (10) and stationary ring is inlayed friction pair (11).(10) and be rubbing surface between (11).Gland ring (15) with (5) and (8) be D interior * d=65 * 3.5 nitrile butadiene rubber standard O type circles.Gland (16) material is that HT20-40 gray cast iron cuts into through casting vehicle.Gland bolt (17) is former pump pressure bonnet bolt.Rotating ring (3), rotating ring friction pair (9) and rotating ring buffer structure (7) are through being bonded, and with special tool that the overall media isolated cover of rotating ring (6) cover is bonding again, it is overall to have made rotating ring.Gland totally manufactures with rotating ring overall.Locate earlier during installation, after pump bearing installs, earlier gland totally be inserted in pump shaft cover (1), again with the outer chamfer of axle sleeve, polish into 2 * 30 °
Be coated with the lithium in small amounts base grease in chamfering and axle sleeve outer radius, be convenient to rotating ring and totally pack into, rotating ring totally is screwed into, be pushed into location place after, have in the 4mm hexagonal spanner that five interior hexagonal Cock screws (4) are tightened, this device is promptly just adorned and is finished.Be the dress water wheels below, with the water pump main body spiral case etc. of packing into, after water pump installs, gland bolt (17) is packed into, and symmetry, screw gland bolt uniformly, to changeing water pump coupler, tightness is arranged slightly with hand, it is normal that water pump is opened back pressure, and this device does not have leakage again and is as the criterion.This device promptly installs.
Claims (6)
1. binary, double-damping structure running shaft face seals, be by with running shaft (1) Spielpassung, and and the rotating ring (3) that rotates together of running shaft (1), rotating ring Cock screw (4), seal ring of moving ring (5), the overall media isolated cover of rotating ring (6), rotating ring buffer structure (7), rotating ring friction pair seal ring (8), rotating ring friction pair (9), rotating ring is inlayed friction pair (10), with static with equipment, inlay friction pair (11) with the stationary ring of the big Spielpassung of running shaft, stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland ring (15), gland (16) constitutes after with gland bolt (17) axial compression, it is characterized in that: the rotating ring of this device (3), the overall media isolated cover of rotating ring (6), rotating ring buffer structure (7), rotating ring friction pair (9), it is that to make the rotating ring of one overall that rotating ring is inlayed friction pair (10), stationary ring is inlayed friction pair (11), stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland (16) is that to make the gland of one overall, and overall and overall two-part of gland constitute this apparatus main body by rotating ring.
2. binary according to claim 1, double-damping structure running shaft face seals, it is characterized in that: constitute the overall overall media isolated cover of rotating ring (3), rotating ring (6), rotating ring buffer structure (7), rotating ring friction pair (9), the rotating ring of rotating ring and inlay friction pair (10) and constitute the overall stationary ring of gland and inlay friction pair (11), stationary ring friction pair (12), the overall media isolated cover of gland (13), stationary ring buffer structure (14), gland (16) Placement and have two kinds: the one, inseparable totally, the 2nd, separable separate piece.
3. binary according to claim 1, double-damping structure running shaft face seals is characterized in that: the overall media isolated cover of overall media isolated cover of rotating ring (6) and gland (13) structure characteristic has three kinds: 1. overall the and gland of rotating ring totally all has media isolated cover (6) and (13); 2. the overall and gland of rotating ring does not totally all have the media isolated cover; 3. totally one of them has the media isolated cover to the overall and gland of rotating ring.
4. binary according to claim 1, double-damping structure running shaft face seals is characterized in that: seal ring of moving ring (5) and rotating ring friction pair seal ring (8) structure characteristic have two kinds: 1. seal ring of moving ring (5) and rotating ring friction pair seal ring (8) all have; 2. seal ring of moving ring (5) and rotating ring friction pair seal ring (8) both have only one seal ring is arranged.
5. binary according to claim 1, double-damping structure running shaft face seals is characterized in that: rotating ring is inlayed friction pair (10) and stationary ring and is inlayed friction pair (11) structure characteristic and have three kinds: 1. the friction pair of inlaying is all arranged; 2. all there is not the friction pair of inlaying; 3. both have only one the friction pair of inlaying is arranged.
6. binary according to claim 1, double-damping structure running shaft face seals is characterized in that: rotating ring buffer structure (7) and stationary ring buffer structure (14) structure and material have five kinds: 1. solid natural rubber, synthetic rubber ring; 2. hollow natural rubber, synthetic rubber ring; 3. natural rubber, synthetic rubber ring foam; 4. metal and nonmetal bellows; 5. natural rubber, synthetic rubber bellows sleeve spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255036 CN2607482Y (en) | 2002-09-21 | 2002-09-21 | Rotary shaft end sealer with double-body double-buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02255036 CN2607482Y (en) | 2002-09-21 | 2002-09-21 | Rotary shaft end sealer with double-body double-buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2607482Y true CN2607482Y (en) | 2004-03-24 |
Family
ID=34149800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02255036 Expired - Fee Related CN2607482Y (en) | 2002-09-21 | 2002-09-21 | Rotary shaft end sealer with double-body double-buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2607482Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132145A (en) * | 2014-07-24 | 2014-11-05 | 中国工程物理研究院电子工程研究所 | Elastic rubber ring sealing device |
| CN105042078A (en) * | 2015-07-28 | 2015-11-11 | 南通艾迈特机械有限公司 | High-temperature-resistant and high-pressure-resistant shaft sealing device |
| CN106151524A (en) * | 2015-03-09 | 2016-11-23 | 韩乐工 | A kind of double mechanical seal in band I-shaped closure chamber |
| CN112283353A (en) * | 2020-12-28 | 2021-01-29 | 胜利油田固邦石油装备有限责任公司 | Drilling mud pump packing seal structure |
-
2002
- 2002-09-21 CN CN 02255036 patent/CN2607482Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104132145A (en) * | 2014-07-24 | 2014-11-05 | 中国工程物理研究院电子工程研究所 | Elastic rubber ring sealing device |
| CN104132145B (en) * | 2014-07-24 | 2016-04-27 | 中国工程物理研究院电子工程研究所 | A kind of elastic caoutchouc ring seal device |
| CN106151524A (en) * | 2015-03-09 | 2016-11-23 | 韩乐工 | A kind of double mechanical seal in band I-shaped closure chamber |
| CN106151524B (en) * | 2015-03-09 | 2018-06-12 | 韩乐工 | A kind of I-shaped double mechanical seal for blocking chamber of band |
| CN105042078A (en) * | 2015-07-28 | 2015-11-11 | 南通艾迈特机械有限公司 | High-temperature-resistant and high-pressure-resistant shaft sealing device |
| CN112283353A (en) * | 2020-12-28 | 2021-01-29 | 胜利油田固邦石油装备有限责任公司 | Drilling mud pump packing seal structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040324 Termination date: 20110921 |