CN2823698Y - Mechanical sealing device - Google Patents
Mechanical sealing device Download PDFInfo
- Publication number
- CN2823698Y CN2823698Y CN 200520098145 CN200520098145U CN2823698Y CN 2823698 Y CN2823698 Y CN 2823698Y CN 200520098145 CN200520098145 CN 200520098145 CN 200520098145 U CN200520098145 U CN 200520098145U CN 2823698 Y CN2823698 Y CN 2823698Y
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- locking
- locking block
- ring assembly
- locking ring
- reed
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Abstract
The utility model relates to a mechanical sealing device which is characterized in that the device comprises a rubber core packing (7), a left locking ring assembly (12), a right locking ring assembly (13), an upper elastic locking mechanism and a lower elastic locking mechanism, wherein the left locking ring assembly (12) and the right locking ring assembly (13) are respectively in a half ring shape; the outer diameter of the circular rubber core packing (7) is corresponding to the inner diameter surrounded by the left locking ring assembly (12) and the right locking ring assembly (13); a first locking stop dog of the left locking ring assembly (12) is connected with a third locking stop dog (19) of the right locking ring assembly (13) by the upper elastic locking arrangement; a second locking stop dog of the left locking ring assembly (12) is connected with a fourth locking stop dog of the right locking ring assembly (13) by the lower elastic locking arrangement; the circular rubber core packing (7) is cleaved to the inner walls of the left locking ring assembly (12) and the right locking ring assembly (13). The utility model has the advantage of good sealing effect, and is suitable for sealing an extra-large bearing seat.
Description
Technical field
The utility model relates to a kind of mechanical seal device, particularly the seal arrangement at the bearing (ball) cover place of large-size rolling bearing seat.
Background technique
Seals style such as asbestos rope, sealing plate or filler are adopted in sealing between large-scale running shaft and the bearing support usually, for the large-size rolling bearing seat (for example: the sealing at bearing (ball) cover place steelmaking converter ball socketed bearing seat), the weight that is subjected to because of bearing is big, axle is yielding, and seal arrangement can not change thereupon, and then the generation slit, influenced sealing effect.
Summary of the invention
The purpose of this utility model is to provide a kind of mechanical seal device of good sealing effect.
To achieve these goals, the technical solution of the utility model is: a kind of mechanical seal device, it is characterized in that: it comprises glue core packing 7, left side locking ring assembly 12, right locking ring assembly 13, last elasticity locking mechanism, following elasticity locking mechanism, left side locking ring assembly 12, right locking ring assembly 13 is respectively semi-circular, the upper end portion of left side locking ring assembly 12 is provided with the first locking block, the underpart of left side locking ring assembly 12 is provided with the second locking block, the upper end portion of right locking ring assembly 13 is provided with the 3rd locking block, and the underpart of right locking ring assembly 13 is provided with the 4th locking block; Glue core packing 7 surrounds circle, and the section interface adopts 45 ° of otch, and the external diameter of circular glue core packing 7 is corresponding with the internal diameter that left locking ring assembly 12, right locking ring assembly 13 surround; The first locking block of left side locking ring assembly 12 is connected by last elasticity locking mechanism with the 3rd locking block 19 of right locking ring assembly 13, the second locking block of left side locking ring assembly 12 is connected by following elasticity locking mechanism with the 4th locking block of right locking ring assembly 13, and circular glue core packing 7 is close to left locking ring assembly 12, right locking ring assembly 13 madial walls.
The utility model adopts the first locking block of left locking ring assembly 12 to be connected by last elasticity locking mechanism with the 3rd locking block 19 of right locking ring assembly 13, the second locking block of left side locking ring assembly 12 is connected by following elasticity locking mechanism with the 4th locking block of right locking ring assembly 13, and circular glue core packing 7 is close to left locking ring assembly 12, right locking ring assembly 13 madial walls; Last elasticity locking mechanism makes left locking ring assembly 12, right locking ring assembly 13 press circular glue core packing 7 with following elasticity locking mechanism.When the running shaft 6 that passes circular glue core packing 7 produces distortion generation slit, last elasticity locking mechanism makes the glue core packing 7 of left locking ring assembly 12, right locking ring assembly 13, circle that corresponding the variation be taken place with the elastic force of following elasticity locking mechanism, makes its good sealing effect.
The utility model is simple in structure, sealing is reliable, is suitable for the sealing at extra large size bearing seat place.
Description of drawings
Fig. 1 is that the utility model is installed in the working position sectional view in the bearing support
Fig. 2 is plan view of the present utility model (structure that the split bearing seat is arranged among the figure)
Fig. 3 is a stereogram of the present utility model
Fig. 4 is a Y partial enlarged drawing among Fig. 2
Fig. 5 is along the sectional view of A-A line among Fig. 2
Fig. 6 is the plan view of left locking ring assembly of the present utility model
Fig. 7 is the left view of left locking ring assembly of the present utility model
Fig. 8 is along the sectional view of B-B line among Fig. 7
Fig. 9 is the plan view of right locking ring assembly of the present utility model
Among the figure: 1-mechanical seal device, 2-bearing support, 3-bearing, 4-bearing cover, the 5-sealing gland, the 6-running shaft, 7-glue core packing, 8-seals positive stop, the last guiding screw pole of 9-, the last right locking block of 10-, the last right locking spring of 11-, 12-left side locking ring assembly, 13 right locking ring assemblies, the last right locking nut of 14-, reed in the reed outside the 15-left side, 16-major arc, 17-left side rivet or left screw, reed in the 18-minor arc, 19-the 3rd locking block, hole, a 20-left side.
Embodiment
As Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, shown in Figure 9, a kind of mechanical seal device, it comprises glue core packing 7, left locking ring assembly 12, right locking ring assembly 13, last elasticity locking mechanism, following elasticity locking mechanism, left side locking ring assembly 12, right locking ring assembly 13 are respectively semi-circular, the upper end portion of left side locking ring assembly 12 is provided with the first locking block, the underpart of left side locking ring assembly 12 is provided with the second locking block, the upper end portion of right locking ring assembly 13 is provided with the 3rd locking block, and the underpart of right locking ring assembly 13 is provided with the 4th locking block; Glue core packing 7 surrounds circle, and the section interface adopts 45 ° of otch, and the external diameter of circular glue core packing 7 is corresponding with the internal diameter that left locking ring assembly 12, right locking ring assembly 13 surround; The first locking block of left side locking ring assembly 12 is connected by last elasticity locking mechanism with the 3rd locking block 19 of right locking ring assembly 13, the second locking block of left side locking ring assembly 12 is connected by following elasticity locking mechanism with the 4th locking block of right locking ring assembly 13, and circular glue core packing 7 is close to left locking ring assembly 12, right locking ring assembly 13 madial walls.Glue core packing 7 adopts 412SC glue core packing (market is on sale).Sealing positive stop 8 is fixed together with sealing gland 5, and this mechanical seal device is fixed at circumferencial direction with bearing support by four sealing positive stops 8 that are distributed in elasticity locking mechanism and following elasticity locking mechanism both sides.
The described elasticity locking mechanism of going up comprises guiding screw pole 9, goes up left locking nut, goes up left locking spring, goes up left locking block, goes up right locking block 10, goes up right locking spring 11, goes up right locking nut 14, go up left locking block, the first locking block, the 3rd locking block, upward have the guiding screw pole hole on the right locking block 10, upward left locking block is positioned at the left side of the first locking block and is mutually permanently connected, and upward right locking block 10 is positioned at the right side of the 3rd locking block and is mutually permanently connected; The two end part of last guiding screw pole 9 are provided with screw thread, last guiding screw pole 9 passes left locking block, the first locking block, the 3rd locking block, goes up the guiding screw pole hole on the right locking block 10, upward be with left locking spring on the last guiding screw pole 9 of the left end of left locking block, upward be rotary with left locking nut on the last guiding screw pole 9 of the left end of left locking spring; Upward be with right locking spring 11 on the last guiding screw pole 9 of the right-hand member of right locking block 10, upward be rotary with right locking nut 14 on the last guiding screw pole 9 of the right-hand member of right locking spring 11.
Described elasticity locking mechanism down comprises guiding screw pole, bottom left locking nut, bottom left locking spring, bottom left locking block, bottom right locking block, bottom right locking spring, bottom right locking nut down, have the guiding screw pole hole on bottom left locking block, the second locking block, the 4th locking block, the bottom right locking block, the bottom left locking block is positioned at the left side of the second locking block and is mutually permanently connected, and the bottom right locking block is positioned at the right side of the 4th locking block and is mutually permanently connected; The two end part of following guiding screw pole are provided with screw thread, following guiding screw pole passes the guiding screw pole hole on bottom left locking block, the second locking block, the 4th locking block, the bottom right locking block, be with the bottom left locking spring on the following guiding screw pole of the left end of bottom left locking block, be rotary with the bottom left locking nut on the following guiding screw pole of the left end of bottom left locking spring; Be with the bottom right locking spring on the following guiding screw pole of the right-hand member of bottom right locking block, be rotary with the bottom right locking nut on the following guiding screw pole of the right-hand member of bottom right locking spring.
Described left locking ring assembly 12 comprises reed 16, left rivet or left screw 17 in the outer reed 15 in a left side, the major arc, reed 16 is positioned at outer reed 15 inboards, a left side in the major arc, the two ends of the outer reed 15 in a left side are protruded at the two ends of reed 16 in the major arc, the middle part of reed 16 is fixedly connected by left rivet or left screw 17 in the outer reed 15 in a left side, the major arc, the outer reed 15 in a left side is provided with left hole 20, aperture, left hole between outer reed 15 middle parts, a left side is little, and the aperture, left hole at two ends is big, and the diameter in left hole is pressed the cosine function curve distribution; Described right locking ring assembly 13 comprises reed 18, right rivet or right screw in right outer reed, the minor arc, reed 18 is positioned at right outer reed inboard in the minor arc, the middle part of reed 18 is connected by right rivet or right screw in outer reed, the minor arc, right outer reed is provided with right hole, aperture, right hole between right outer reed middle part is little, the aperture, right hole at two ends is big, and the diameter in right hole is pressed the cosine function curve distribution.
As shown in Figure 1, the utility model is installed in the bearing support, and running shaft 6 is fixedlyed connected with bearing support 2 by bearing 3, and the two-port of bearing cover 4 is provided with mechanical seal device (the utility model) 1, running shaft 6 passes circular glue core packing 7, and is passed by the mesopore of sealing gland.
The utility model is adopted said structure, has following characteristics:
1. select glue core packing (stuffing box packing) for use: a kind of inside is that circular silica gel core, outside are the compound seal filler of the braiding packing of oil immersion silk material (carbon fiber wire, glass yarn etc.), the maximum characteristics of this kind stuffing box packing are: because inside is the glue core, its elasticity is very good; Outside oil immersion silk charging tray root self-lubricating property is good, and its surface friction drag is little.
2. adopt the elasticity locking ring of two semi-ring formulas in the outside of glue core packing, by two groups of helical spring banding glue core packings of 180 ° of layouts, the banding locking ring of this high pressure type forces glue core packing to be fitted on the running shaft good sealing effect tightly.The maximum characteristics of this banding locking ring structure are: therefore a. installs easily because locking ring is two semi-rings compositions; B. because its tightening force is that spring provides, therefore when the running shaft of sealing part had radial-play or deflection deformation, its sealing was followed compensatory very good; C. locking spring is withheld with double nut, therefore when inner packing weares and teares, by the mode of fastening nut, is easy to recover the sealing effect of sealing pair, prolongs the life-span of glue core packing greatly, has also saved the repair and maintenance time simultaneously.
3. left locking ring assembly 12, right locking ring assembly 13 have been adopted.Interior reed adopts the little elastic material of Young's modulus to make, and outer reed approaches, and makes its banding resistance little, can be tightly with the pressing of glue core packing in one.Outer reed adopts the big elastic material of Young's modulus to make, and interior reed is thick, makes its good rigidity, and banding is firm.Produce a series of holes not of uniform size outside on the circumference of reed, the diameter of this series of apertures is pressed the cosine function curve distribution, promptly Zhong Jian aperture is little, the aperture at two ends is big, purpose is that to make that the banding reed can along the circumferential direction compress the impacting force of glue core packing even, also can make lubricant oil can be easy to enter between interior reed and the outer reed in addition, inside and outside reed can be slided easily.Outer reed is two equal semicircles, and interior reed has adopted a major arc reed, a minor arc reed, and purpose is to make the banding effect of spring locking place relatively good.
Application: this mechanical seal device is applied to super-huge rolling bearing pedestal, and (for example: the sealing at bearing (ball) cover place steelmaking converter ball socketed bearing seat) is suitable for sealing drier oil.
Claims (4)
1. mechanical seal device, it is characterized in that: it comprises glue core packing (7), left locking ring assembly (12), right locking ring assembly (13), last elasticity locking mechanism, following elasticity locking mechanism, left side locking ring assembly (12), right locking ring assembly (13) are respectively semi-circular, the upper end portion of left side locking ring assembly (12) is provided with the first locking block, the underpart of left side locking ring assembly (12) is provided with the second locking block, the upper end portion of right locking ring assembly (13) is provided with the 3rd locking block, and the underpart of right locking ring assembly (13) is provided with the 4th locking block; Glue core packing (7) surrounds circle, and the section interface adopts 45 ° of otch, and the external diameter of circular glue core packing (7) is corresponding with the internal diameter that left locking ring assembly (12), right locking ring assembly (13) surround; The first locking block of left side locking ring assembly (12) is connected by last elasticity locking mechanism with the 3rd locking block (19) of right locking ring assembly (13), the second locking block of left side locking ring assembly (12) is connected by following elasticity locking mechanism with the 4th locking block of right locking ring assembly (13), and circular glue core packing (7) is close to left locking ring assembly (12), right locking ring assembly (13) madial wall.
2. a kind of mechanical seal device according to claim 1, it is characterized in that: the described elasticity locking mechanism of going up comprises guiding screw pole (9), go up left locking nut, go up left locking spring, go up left locking block, go up right locking block (10), go up right locking spring (11), go up right locking nut (14), go up left locking block, the first locking block, the 3rd locking block, go up on the right locking block (10) and have the guiding screw pole hole, upward left locking block is positioned at the left side of the first locking block and is mutually permanently connected, and upward right locking block (10) is positioned at the right side of the 3rd locking block and is mutually permanently connected; The two end part of last guiding screw pole (9) are provided with screw thread, last guiding screw pole (9) passes left locking block, the first locking block, the 3rd locking block, goes up the guiding screw pole hole on the right locking block (10), upward be with left locking spring on the last guiding screw pole (9) of the left end of left locking block, upward be rotary with left locking nut on the last guiding screw pole (9) of the left end of left locking spring; Upward be with right locking spring (11) on the last guiding screw pole (9) of the right-hand member of right locking block (10), upward be rotary with right locking nut (14) on the last guiding screw pole (9) of the right-hand member of right locking spring (11).
3. a kind of mechanical seal device according to claim 1, it is characterized in that: described elasticity locking mechanism down comprises guiding screw pole, bottom left locking nut, bottom left locking spring, bottom left locking block, bottom right locking block, bottom right locking spring, bottom right locking nut down, have the guiding screw pole hole on bottom left locking block, the second locking block, the 4th locking block, the bottom right locking block, the bottom left locking block is positioned at the left side of the second locking block and is mutually permanently connected, and the bottom right locking block is positioned at the right side of the 4th locking block and is mutually permanently connected; The two end part of following guiding screw pole are provided with screw thread, following guiding screw pole passes the guiding screw pole hole on bottom left locking block, the second locking block, the 4th locking block, the bottom right locking block, be with the bottom left locking spring on the following guiding screw pole of the left end of bottom left locking block, be rotary with the bottom left locking nut on the following guiding screw pole of the left end of bottom left locking spring; Be with the bottom right locking spring on the following guiding screw pole of the right-hand member of bottom right locking block, be rotary with the bottom right locking nut on the following guiding screw pole of the right-hand member of bottom right locking spring.
4. a kind of mechanical seal device according to claim 1, it is characterized in that: described left locking ring assembly (12) comprises a left side outer reed (15), reed (16) in the major arc, left side rivet or left screw (17), reed (16) is positioned at outer reed (15) inboard, a left side in the major arc, the two ends of the outer reed in a left side (15) are protruded at the two ends of reed (16) in the major arc, a left side outer reed (15), the middle part of reed (16) is fixedly connected by left rivet or left screw (17) in the major arc, the outer reed in a left side (15) is provided with left hole (20), aperture, left hole between the outer reed in a left side (15) middle part is little, the aperture, left hole at two ends is big, and the diameter in left hole is pressed the cosine function curve distribution; Described right locking ring assembly (13) comprises reed (18), right rivet or right screw in right outer reed, the minor arc, reed (18) is positioned at right outer reed inboard in the minor arc, the middle part of reed (18) is connected by right rivet or right screw in outer reed, the minor arc, right outer reed is provided with right hole, aperture, right hole between right outer reed middle part is little, the aperture, right hole at two ends is big, and the diameter in right hole is pressed the cosine function curve distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098145 CN2823698Y (en) | 2005-09-22 | 2005-09-22 | Mechanical sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520098145 CN2823698Y (en) | 2005-09-22 | 2005-09-22 | Mechanical sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823698Y true CN2823698Y (en) | 2006-10-04 |
Family
ID=37032812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520098145 Expired - Fee Related CN2823698Y (en) | 2005-09-22 | 2005-09-22 | Mechanical sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823698Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619778A (en) * | 2012-04-24 | 2012-08-01 | 浙江格凌实业有限公司 | Sealing ring tensioning mechanism for vortex air pump |
| CN102744675A (en) * | 2012-07-11 | 2012-10-24 | 哈尔滨汽轮机厂有限责任公司 | Rotor frame port grinding machining tool and machining method |
| CN105650123A (en) * | 2016-03-11 | 2016-06-08 | 如皋市非标轴承有限公司 | Thrust bearing for automobile steering axle |
-
2005
- 2005-09-22 CN CN 200520098145 patent/CN2823698Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619778A (en) * | 2012-04-24 | 2012-08-01 | 浙江格凌实业有限公司 | Sealing ring tensioning mechanism for vortex air pump |
| CN102619778B (en) * | 2012-04-24 | 2014-07-30 | 浙江格凌实业有限公司 | Sealing ring tensioning mechanism for vortex air pump |
| CN102744675A (en) * | 2012-07-11 | 2012-10-24 | 哈尔滨汽轮机厂有限责任公司 | Rotor frame port grinding machining tool and machining method |
| CN102744675B (en) * | 2012-07-11 | 2015-03-18 | 哈尔滨汽轮机厂有限责任公司 | Rotor frame port grinding machining tool and machining method |
| CN105650123A (en) * | 2016-03-11 | 2016-06-08 | 如皋市非标轴承有限公司 | Thrust bearing for automobile steering axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20140922 |
|
| EXPY | Termination of patent right or utility model |